JP2014198009A - Corn harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify work of collecting corn crops from a storage tank for harvested corn crops.SOLUTION: A storage tank 60 that can store crops discharged from a conveyance end of a feeder 4 can switch between a rising attitude and a falling attitude by rising and falling while rocking around a rocking axis p1 in the front-back direction of a traveling vehicle body. The storage tank 60 can store the crops in the rising attitude, and can discharge the stored crops to a lateral side of the traveling vehicle body in the falling attitude.

Description

  In the present invention, at the time of harvesting corn, a crop portion that is wrapped in a foliage portion with a large number of seeds existing around the cob is used as a harvest target crop, and the harvested crop is stored and recovered. It is related with the corn harvester comprised as follows.

  In corn, tufts containing a large number of seeds (fruits) grow in the ears of the stems to be planted. The tuft-like portion is formed in a form in which a large number of seeds are arranged on the outer surface around a rod-shaped cob existing inside the foliage. In the present invention, this tuft is referred to as a corn crop to be harvested, and the corn harvester according to the present invention harvests, stores and collects the corn crop as a harvest.

  A conventional corn harvester is configured to harvest a harvest from corn that is planted while running a traveling vehicle body, and to store the harvested harvest in a storage unit (for example, (See Patent Document 1). In this structure, the harvested harvested product is conveyed rearward and upward by a plurality of conveyors such as a conveyor that conveys sideways and a conveyor that conveys front and rear, and a container as a storage unit provided at the rear end of the traveling vehicle body It falls into the inside.

Japanese Patent Laying-Open No. 2011-92135 (see paragraph number “0033”, FIG. 1 and FIG. 3)

  The corn harvester configured in this way is useful in that it can automatically harvest corn and store the harvest, but when collecting the harvest stored in the container, There is an inconvenience that requires a great deal of time for the operation of raising and lowering the container and the operation of taking out the container. In addition, there is a problem that a loss of harvesting work time is caused by performing the work with the body stopped for the collection work.

  The present invention includes a storage tank for harvested corn crops, and is intended to simplify the operation of collecting the corn crops from the storage tank.

  The technical means of the corn harvester according to the present invention has structural features and operational effects in the following points.

[Solution 1]
The technical means of the present invention taken in order to solve the above problems are a harvesting unit that is located in the front part of the traveling vehicle body and harvests the harvested product, and conveys the harvested product harvested in the harvesting unit to the rear side of the aircraft. And a storage tank capable of storing the harvested product discharged from the end of conveyance of the feeder, and the storage tank is provided around the pivot axis along the longitudinal direction of the traveling vehicle body. The posture can be changed between a standing posture and a lying posture by swinging up and down in the storage tank, the storage tank can store the harvest in the standing posture, and the harvested product stored in the lying posture is the This means that the vehicle can be discharged to the side of the traveling vehicle body.

[Operation and effect of invention according to Solution 1]
According to the invention relating to the above solution 1, the storage tank is configured to be able to change the posture between the standing posture and the lying posture by swinging up and down around the swing axis along the longitudinal direction of the traveling vehicle body. Can be discharged to the side of the traveling vehicle body. This makes it possible to perform collection work while confirming the harvest vehicle on the lateral side of the traveling vehicle body, compared to, for example, a structure in which the storage tank is discharged to the rear side of the traveling vehicle body. Is advantageous.
Therefore, by changing the posture of the storage tank to the horizontal position, it is possible to easily transfer the harvest from the storage tank to the collection transporter, and to collect the harvest while checking the collection work. Therefore, there is an advantage that the corn harvesting operation from harvesting to collection can be efficiently performed.

[Solution 2]
Another technical means of the present invention taken to solve the above problem is that the pivot axis is provided on the upper side of the storage tank.

[Operation and effect of invention according to Solution 2]
According to the invention relating to the solution 2, the storage tank is positioned at a low position on the traveling vehicle body during the harvesting operation, and the center of gravity of the airframe can be kept low. Can be laid down in a state.
Therefore, during the harvesting work with a long operation time ratio during the working time, the storage tank can be positioned at a low part of the traveling vehicle body to perform stable traveling, and at the time of the recovery work, the bottom side of the storage tank is lifted high and high There is an advantage that it can be easily supplied to the carrier truck.

[Solution 3]
Another technical means of the present invention taken in order to solve the above-described problem is that the swing axis is provided at a position protruding laterally outward from a lateral side end portion of a vehicle body frame on which the storage tank is mounted. It is that.

[Operation and effect of invention according to Solution 3]
According to the invention relating to the solving means 3 described above, the upper end side of the storage tank when in the lying posture is easily protruded laterally outward of the traveling vehicle body. The upper end side of the storage tank is a harvest outlet when the storage tank is in a lying posture. Therefore, the harvest outlet of the storage tank in the lying position protrudes laterally outward of the traveling vehicle body, which makes it easier to carry out harvesting work by bringing the transport vehicle closer without approaching the traveling vehicle body side too much There is.

[Solution 4]
Another technical means of the present invention taken in order to solve the above-described problem is that the traveling vehicle body includes a residue processing device that shreds the stems left in the field at a location behind the harvesting unit. The driving force transmission unit to the residue processing device is provided at a first lateral end which is one end side in the left-right direction of the traveling vehicle body, and the direction of the harvested product discharged from the storage tank is the first lateral end. It is that it is orient | assigned to the lateral outer side of the 2nd horizontal end part which is an edge part on the opposite side to a part.

[Operations and effects of invention according to Solution 4]
According to the invention relating to the above solution 4, the direction in which the storage tank is discharged is set on the side opposite to the location where the driving force transmission unit is disposed on the residue processing device. The storage tank does not protrude from the side of the vehicle body in the direction of harvesting.
Therefore, the collection work is not hindered when the transport vehicle for collecting the harvest is brought close to the side of the vehicle body on the side of the harvest discharge direction of the storage tank, and the collection work can be easily performed.

[Solution 5]
Another technical means of the present invention taken in order to solve the above-described problem is that a driving force transmission portion to the residue processing device has a cover body that covers a power transmission member disposed on the lateral outer side of the body frame. It is provided, and the forward facing surface of the cover body is formed as an inclined surface located rearward as it extends laterally outward.

[Operation and effect of invention according to Solution 5]
According to the invention relating to the above solution 5, the driving force transmission unit to the residue processing device covers the power transmission member disposed on the lateral outer side of the vehicle body frame in order to avoid damage due to contact with other objects. A cover body is provided. And the front facing surface of this cover body is formed in the inclined surface located back, so that the lateral outer side. Therefore, there is a problem that an uncut stem stalk present on the lateral side of the traveling vehicle body corresponding to the uncut side region is caught by the cover body and the uncut stem stalk is brought down or the cover body is damaged. There is an advantage that it is easy to avoid.

[Solution 6]
Another technical means of the present invention taken in order to solve the above-mentioned problem is that the traveling vehicle body is provided with a driving cabin, and a boarding / alighting step for getting on and off the driving cabin is a direction for discharging the harvest from the storage tank. Is provided on the same lateral side.

[Operations and Effects of Invention According to Solution 6]
According to the invention relating to the above solution 6, since the direction of the harvested discharge of the storage tank is directed to the already-harvested side where the corn has already been harvested, the storage tank is provided on the same lateral side as the direction of the harvested discharge of the storage tank. The boarding / alighting step to be carried out also exists on the already cut side. Therefore, it is easy to get on and off the driving cabin and to discharge the harvested product without any trouble on the side of the trimmed side of the traveling vehicle body.

[Solution 7]
The other technical means of the present invention taken in order to solve the above-mentioned problems are the same lateral side of the traveling vehicle body as the side on which the boarding / alighting step is provided, on the lateral outer side of the driving cabin, An operation unit step that can be transferred from the step for getting on and off is provided, and a work deck is provided on the rear side of the operation unit step.

[Operation and effect of invention according to Solution 7]
According to the invention relating to the solution means 7 described above, since the driving unit step exists on the side of the driving cabin on the same side as the side on which the boarding step and the work deck are provided, the driving unit step is There is an advantage that it can be used as a means for facilitating entry / exit from the operation step to / from the operation cabin or for facilitating movement to the work deck.

[Solution 8]
Another technical means of the present invention taken to solve the above problem is that the end of the storage tank in the direction of harvesting in the left-right direction of the traveling vehicle body is more than the end of the driving cabin in the same direction. Is also provided to be located laterally outside.

[Operation and effect of invention according to Solution 8]
According to the invention relating to the solving means 8 described above, since the end of the storage tank in the direction of harvesting discharge is located laterally outside the end of the operation cabin on the same direction side, This makes it easier to check the position of the end of the storage tank.
Therefore, when changing the posture of the storage tank to the lying posture and discharging the harvested product, it is easy to change the posture to the lying posture after confirming that the transport vehicle for collection exists at the lateral position of the storage tank. There are advantages.

[Solution 9]
The other technical means of the present invention taken in order to solve the above-mentioned problem is that the front part of the storage tank is separated from the harvest outlet at the terminal part of the feeder by a predetermined distance in the front-rear direction. There is a crop receiving port, and a flow guide mechanism is provided between the crop receiving port and the crop discharge port for guiding the crop that has reached the terminal end of the feeder to the storage tank side. The flow guide mechanism includes an inclined guide body whose guide surface is inclined so that the harvested product reaching the terminal end of the feeder slides toward the storage tank, and the guide surface of the inclined guide body. The guide surface is inclined and is configured to include a flexible guide member.

[Operations and effects of invention according to Solution 9]
According to the invention relating to the solution means 9 described above, the flow guide mechanism that guides the harvested product that has reached the terminal end of the feeder to the storage tank side has flexibility as a means for the flow guide. The guide member is provided. Therefore, when the storage tank is swung up and down, even if the relative position between the storage tank and the feeder changes somewhat, it can be absorbed by the deformation of the flexible guide member. Accordingly, there is an advantage that the posture of the storage tank can be changed without hindrance while reliably performing the flow down of the harvested product from the feeder to the storage tank.

[Solution 10]
Another technical means of the present invention taken to solve the above problem is that the guide member is attached to the inclined guide body.

[Operations and Effects of Invention According to Solution 10]
According to the invention relating to the above solution 10, since the inclined guide body itself is inclined, there is an advantage that the guide member can be easily mounted in the inclined posture.

[Solution 11]
Another technical means of the present invention taken to solve the above problem is that the guide member is attached to the harvest receiving port.

[Operations and Effects of Invention According to Solution 11]
According to the invention relating to the above solution 11, the guide member is attached to the harvest receiving port, so that the guide member can also serve as an introduction guide for reliably guiding the harvest to the harvest receiving port. There is.

[Solution 12]
Another technical means of the present invention taken to solve the above-described problems is that the inclined guide body includes a bottom plate portion having the inclined guide surface, and spillage of crops to the sides on both sides of the bottom plate portion. The guide member is attached to the bottom plate portion.

[Operations and Effects of Invention According to Solution 12]
According to the invention relating to the above solution 12, the presence of the rising walls on both sides of the bottom plate portion reduces the possibility of the spilling of the harvest when guiding the flow of the harvest from the feeder to the storage tank. There are benefits to get.

[Solution 13]
Another technical means of the present invention taken to solve the above problem is that the guide member is attached to the lower surface side of the bottom plate portion.

[Operations and Effects of Invention According to Solution 13]
According to the invention relating to the solving means 13, it is advantageous in that it is easy to avoid the possibility that the harvested material is caught on the guide member and stagnated.

[Solution 14]
Another technical means of the present invention taken to solve the above problem is that the guide member is attached to rising walls on both sides of the inclined guide body.

[Operations and Effects of Invention According to Solution 14]
According to the invention relating to the solving means 14 described above, there is an advantage that the guide member can easily maintain the posture along the rising wall, and spillage of the harvested product can be suppressed even at the position of the guide member.

[Solution 15]
Another technical means of the present invention taken to solve the above-mentioned problem is that the swing axis is an axis of a support shaft supported by a tank support mounted on a vehicle body frame of the traveling vehicle body, The tank support is configured to include a front frame disposed on the front side of the storage tank in the vehicle longitudinal direction and a rear frame disposed on the rear side, and between the storage tank and the front frame. And an expansion / contraction cylinder for changing the posture of the storage tank by rotating it around the pivot axis is interposed between the storage tank and the rear frame.

[Operations and Effects of Invention According to Solution 15]
According to the invention relating to the above solution 15, the tank support can be used as an attachment location on one end of the expansion cylinder, and the tank support is mounted on the vehicle body frame. The attachment location can be a position away from the vehicle body frame.
Therefore, there is an advantage that the structure can be simplified by using the tank support and that the expansion / contraction stroke of the expansion / contraction cylinder can be shortened as compared with the case where the expansion / contraction cylinder is interposed between the storage tank and the vehicle body frame.

[Solution 16]
Another technical means of the present invention taken to solve the above-mentioned problem is that the swing axis is an axis of a support shaft supported by a tank support mounted on a vehicle body frame of the traveling vehicle body, The tank support is configured to include a front frame disposed on the front side of the storage tank in the longitudinal direction of the vehicle body and a rear frame disposed on the rear side, and either the front frame or the rear frame. On the other hand, a position adjusting mechanism capable of adjusting the mounting position in the horizontal direction with respect to the body frame is provided.

[Operations and Effects of Invention According to Solution 16]
According to the invention relating to the solving means 16 described above, there is an advantage that the tank support can be accurately attached to the vehicle body frame in the horizontal direction.

[Solution 17]
Another technical means of the present invention taken to solve the above-mentioned problem is that the swing axis is an axis of a support shaft supported by a tank support mounted on a vehicle body frame of the traveling vehicle body, The tank support is configured to include a front frame disposed on the front side of the storage tank in the longitudinal direction of the vehicle body and a rear frame disposed on the rear side, and either the front frame or the rear frame. On the other hand, a position adjusting mechanism capable of adjusting the mounting position in the vertical direction with respect to the body frame is provided.

[Operations and Effects of Invention According to Solution 17]
According to the invention relating to the solving means 17 described above, there is an advantage that the tank support can be accurately attached to the vehicle body frame in the vertical direction.

It is a left view of a corn harvester. It is a top view of a corn harvester. It is a right view of a corn harvester. It is a vertical side view in a feeder rear end part. It is a vertical side view which shows a flow-down guide mechanism. It is a front view of a storage collection device. It is a left view of a storage collection device. It is a rear view of a storage collection device. It is a top view which shows the rear part of a vehicle body frame. It is sectional drawing which shows the attachment structure of the front frame in the XX sectional position of FIG. It is sectional drawing which shows the attachment structure of the front frame in the XI-XI sectional view position of FIG. It is sectional drawing which shows the attachment structure of the rear frame in the XII-XII sectional view position of FIG. It is a rear view which shows the attachment structure part of a support plate. It is a rear view of a storage tank. It is a right view of a storage tank. It is a front view of a storage tank. It is a top view of a storage tank. It is the XVIII-XVIII sectional view taken on the line in FIG. It is the XIX-XIX sectional view taken on the line in FIG. It is a disassembled perspective view of a storage tank. It is the XXI-XXI sectional view taken on the line in FIG. It is a vertical side view which shows the flow-down guide mechanism in another embodiment. It is a vertical side view which shows the flow-down guide mechanism in another embodiment.

Hereinafter, an embodiment of a corn harvester according to the present invention will be described with reference to the drawings.
〔overall structure〕
As shown in FIGS. 1 to 3, the corn harvester according to the present invention supports the front portion of the body frame 10 with a pair of left and right front wheels 11 and supports the rear portion of the body frame 10 with a pair of left and right rear wheels 12. A traveling vehicle body 1 configured by doing so is provided.
A driving unit 2 including a driving cabin 20 is provided at a front end portion of the vehicle body frame 10 via a cabin support 2 </ b> A, and a driving unit 8 is provided on the vehicle body frame 10 behind the driving unit 2. The traveling vehicle body 1 is driven by a pair of left and right front wheels 11, which are non-steering wheels, driven by an engine 80 provided in the prime mover 8. The rear wheel 12 is provided to be steerable by a hydraulically steerable cylinder (not shown).

The traveling vehicle body 1 includes a harvesting processing device 3 serving as a harvesting unit located at the front portion, and a feeder 4 serving as a transport device extending in the front-rear direction in a state of rising rearward from the rear of the harvesting processing device 3 over the traveling vehicle body 1. A storage and recovery device 6 as a recovery unit located at the rear portion of the vehicle body frame 10, and a residue processing device 5 located at the front and rear intermediate portion between the front wheel 11 and the rear wheel 12 below the vehicle body frame 10. Is provided.
In this corn harvester, during the harvesting operation, the traveling vehicle body 1 is driven by driving the front wheels 11, and the harvested product harvested by the harvesting processing device 3 is conveyed toward the storage and recovery device 6 by the feeder 4. It is stored in. Then, the stems left in the field at the time of harvest are shredded by the residue processing device 5. The residue processing device 5 is a well-known hammer knife type shredding device that is driven and rotated around a horizontal axis along the left-right direction of the traveling vehicle body 1 and shreds the stems left in the field during harvesting. .

As shown in FIGS. 1 and 2, an operation unit step 2 </ b> B and a boarding / alighting step 13 are provided on the lateral outer side of the left side entrance of the operation cabin 20. The step 13 for getting on and off is mounted so as to be swingable about a swing axis along the vertical direction, and is located at the laterally outer side of the front wheel 11 as shown by a two-dot chain line in FIG. As shown by a broken line, it can be switched to a storage position located on the rear side of the front wheel 11.
The left side of the traveling vehicle body provided with the step 13 for getting on and off and the driving unit step 2B is the already-harvested land side where the corn harvesting operation has already been completed, and the right side of the traveling vehicle body 1 is still subjected to the corn harvesting operation. Not on the uncut area. Therefore, when an operator or an auxiliary worker gets on or off the corn harvester, the boarding step 13 can be put on and off the body from the already-cut area with the boarding step 13 projecting to the lateral outer side of the front wheel 11. it can.

In the traveling vehicle body 1, a work deck 14 is provided at a position corresponding to the left lateral side portion of the feeder 4 that is long disposed along the front-rear direction at the central portion in the lateral width direction of the vehicle body. This work deck is equipped with a worker (auxiliary worker) who is different from the operator who controls the vehicle body, and performs auxiliary work such as monitoring the unloading status of the feeder 4, or the driving cabin 20 when the aircraft is stopped. The driver who came out of the vehicle can be boarded to check the status of the feeder 4 and the storage and collection device 6.
In other words, each of the step 13 for getting on and off, the driving unit step 2B, and the work deck 14 is provided on the same left lateral side (the already-cut ground side) of the traveling vehicle body 1, and the work deck 14 has a front end. Is arranged near the rear end of the driving unit step 2B. The operation unit step 2B and the work deck 14 located at the upper end of the boarding / alighting step 13 are provided at a height that does not interfere with each other, although there is a slight difference in height. . The boarding step 13 and the work deck 14 are provided with protective members 13A and 14A for supporting the body of the worker.
The work deck 14 is located above the fuel tank 81 for storing the fuel supplied to the engine 80, and has a cover function that covers the fuel tank 81. The prime mover 8 includes an engine 80, a radiator 82 for cooling the engine, an air cleaner 83 and a precleaner 84 for sucking combustion air.

As shown in FIG. 2, the engine 80 is provided on the right side in the vehicle body lateral direction with respect to the feeder 4. Further, as shown in FIG. 3, the radiator 82 and the air cleaner 83 are arranged in a state of being positioned above the engine 80.
As shown in FIG. 2, the work deck 14 and the engine 80 are arranged at positions facing each other in plan view in a state where the work deck 14 and the engine 80 are distributed to both sides in the horizontal direction of the machine body with the feeder 4 interposed therebetween.

[Harvest processing equipment]
The harvesting processing device 3 is supported by a cabin support base 2 </ b> A in the vehicle body frame 10 so as to be swingable around a horizontal axis along the left-right direction of the traveling vehicle body 1, and a pair of left and right hydraulic operations supported by the lower part of the vehicle body frame 10. It is provided so that it can be driven up and down by a lifting cylinder 34 for a harvesting processing apparatus of the type.

As shown in FIGS. 1 and 2, the harvesting processing device 3 is formed with three rows of introduction paths arranged in parallel in the horizontal direction, and a pair of left and right harvesting rolls 30 are positioned above each of the introduction paths. A pair of left and right endless transport chains 31 and the like are provided. Although not described in detail, the harvest roll 30 is rotatably supported around a rotation axis that is parallel to the introduction path, and is used to plant a corn crop (tuft) that is a target for harvesting the introduced corn. They are torn off from the stem stalks and separated to make the harvest.
In addition, an auger 32 is provided at a rear position of the plurality of harvesting rolls 30 and the plurality of endless transport chains 31 to transfer the harvested product to a lateral central position. The auger 32 moves the crops separated from the planted stems to the lateral center position through the three rows of introduction paths. The auger 32 supplies the harvested product from the delivery port to an input port (not shown) provided at the conveyance start end of the feeder 4.

〔feeder〕
As shown in FIGS. 1 and 4, the feeder 4 has a plurality of conveying plates 41 a at a set interval across a pair of left and right endless rotating chains 41 in a feeder case 40 that is inclined obliquely toward the rear side. Are installed and supported.
The feeder 4 functions as a transport conveyor, and transports the harvested material supplied from the input port while being pushed and moved by the transport plate 41 a along the upper surface side of the transport guide plate 42. A crop discharge port 43 that opens toward the rear of the machine body is formed in the rear end portion (feeding end portion) of the feeder case 40, and the harvested product that has been conveyed is rearward from the crop discharge port 43 and above the storage and collection device 6. Drain in the direction.

  As shown in FIG. 4, at the rear of the feeder 4, a scraping device 44 that scrapes non-harvested products discharged together with the harvested product by the feeder 4, such as leaf waste and stem scum scraps, in a direction different from the direction in which the harvested product is discharged, A shredding device 45 that shreds the non-harvested material scraped by the scraping device 44 is provided inside the rear end side of the feeder case 40.

  The scraping device 44 includes a pair of scraping rotators 44a and 44b in an upper portion of the feeder case 40 behind the crop discharge port 43 for discharging the crop. The pair of scraping rotators 44a and 44b are fixed to a plurality of elongated scoring bars 44c along the axial direction at an appropriate interval in the circumferential direction, and are driven to rotate in the reverse rotation direction with respect to each other. It acts so as to feed scraps and stalk scraps to the shredding device 45 side.

The shredding device 45 includes a rotary blade 45a that is rotationally driven inside the feeder case 40, and a fixed blade 45b that is disposed near the outside of the rotation area of the rotary blade 45a and is fixed inside the feeder case 40. The non-harvested product is shredded by the rotary blade 45a and the fixed blade 45b.
Then, the processed material shredded by the rotary blade 45a and the fixed blade 45b is caused to follow the discharge guide body 45c provided around the outside of the rotation area of the rotary blade 45a by the discharge action by the rotation of the rotary blade 45a. Then, it is discharged backward from the non-harvest product outlet 46.

  Therefore, according to this configuration, the harvested product (tufted portion) conveyed by the feeder 4 is discharged from the harvested product discharge port 43, but is harvested by cutting the harvesting device 3 during harvesting or the like. The non-harvest product conveyed by being mixed with the product is pushed out by the conveyance plate 41 a and is sent out to the rear of the harvest discharge port 43. The non-harvest product sent to the rear of the crop discharge port 43 is received by the scraping device 44 and scraped backward. The non-harvest product scraped by the scraping device 44 is supplied to the shredding device 45. The supplied non-harvest product is shredded by the shredding device 45, and is discharged rearward and upward from the non-harvest product discharge port 46 by the discharging action by the rotation of the rotary blade 45a.

Further, the feeder 4 is provided with a flow guide mechanism 47 that slides the harvested product discharged from the harvested product discharge port 43 and guides it to the storage and recovery device 6.
The flow guide mechanism 47 includes a metal inclined guide body 48 that is continuously provided in a downwardly inclined posture with respect to the feeder case 40 below the harvest outlet 43, and a bottom plate portion 48a of the inclined guide body 48. The guide surface 49a is inclined so as to follow the upper surface 48c (corresponding to the guide surface), and includes a flexible rubber plate guide member 49.
The inclined guide body 48 is formed in a channel shape having an upward opening on both sides of the bottom plate portion 48a, with rising walls 48b for suppressing spillage of the harvested product.

The guide member 49 is detachably connected to the lower surface side of the bottom plate portion 48a by a connecting bolt 49b. The inclined lower end of the guide member 49 is extended to the side closer to the harvest receiving port 6A of the storage and recovery apparatus 6 in the direction of the harvest flow than the inclined lower end of the bottom plate portion 48a of the inclined guide body 48 on the feeder 4 side. ing.
The harvest receiving port 6A of the storage and collection apparatus 6 is provided with a receiving guide 6Aa for receiving the crop on the lower edge side of the harvest receiving port 6A. The upper surface of the receiving guide 6 </ b> Aa is formed on a surface that is inclined in the same manner as the upper surface 48 c of the bottom plate portion 48 a and the guide surface 49 a of the guide member 49 so as to substantially follow the inclination of the bottom plate portion 48 a of the inclined guide body 48.
The inclined lower end of the guide member 49 and the inclined upper end of the receiving guide 6Aa of the harvest receiving port 6A are substantially the same position in the flow direction of the harvest, or a position close enough to prevent the crop from dropping off. It is provided as follows. In this way, it is possible to prevent the crops from dropping from between the inclined lower end of the bottom plate portion 48a of the inclined guide body 48 and the inclined upper end of the receiving guide 6Aa provided at the harvest receiving port 6A of the storage and recovery apparatus 6. It is configured as follows.

As shown in FIG. 4 and FIG. 5, a dust feed fan 33 for supplying sorting air is provided at a location below the harvest outlet 43 in the feeder 4.
A large number of slits 48 d are formed in the bottom plate portion 48 a of the inclined guide body 48 at portions corresponding to the air blowing ports 33 a of the dust feeding fan 33. This is a blowing action of the dust feed fan 33, and it is possible to blow off leaf waste, stem scum waste, etc. mixed in the harvest that is being supplied to the harvest receiving port 6A of the storage and collection device 6 from the harvest discharge outlet 43. It is for making it possible.
When the guide member 49 is attached to the inclined guide body 48, the guide member 49 is a slit formed in the bottom plate portion 48a so that the guide member 49 does not block the slit 48d of the bottom plate portion 48a of the inclined guide body 48. Among the locations where 48d is present, it is attached to a location closer to the tip side of the inclined guide body 48 while avoiding the portion corresponding to the air blowing port 33a of the dust feeding fan 33.

  By providing the guide member 49 in this way, it is possible to suppress the fall of the crop in the middle of the flow from the crop discharge port 43 of the feeder 4 to the crop receiving port 6A of the storage and recovery device 6, and as will be described later. Contact between the inclined guide body 48 and the receiving guide 6Aa can be reliably avoided when the posture is changed by swinging the storage tank 60 of the storage and recovery device 6 up and down.

[Residue processing equipment]
As shown in FIG. 2 and FIG. 3, the residue processing device 5 provided in the front and rear intermediate portion between the front wheel 11 and the rear wheel 12 at the lower part of the body frame 10 has a horizontal width in the harvesting processing device 3. The horizontal width of the harvesting action range in the direction is approximately the same as the lateral width W, that is, the lateral width of the traveling vehicle body 1 is approximately the same as the lateral width.
This is because the harvesting processing device 3 is used to travel and move the harvested traces in the harvesting processing device 3 located at the front portion of the traveling vehicle body 1 and having a harvesting action range equal to or greater than the lateral width of the traveling vehicle body 1. This is for finely chopping the stems left in the field throughout the entire harvesting range.

The residue processing device 5 has a substantially central position in the left-right direction connected to a lifting cylinder 50 installed on the vehicle body frame 10 via a suspension chain 51, and accompanying the lifting operation of the lifting cylinder 50. Suspended and supported for height adjustment.
Further, the left side end portion (first lateral side) of the traveling vehicle body 1 in the left-right direction is transmitted to the residue processing device 5 so that driving force is transmitted from the engine 80 installed on the upper portion of the vehicle body frame 10. A driving force transmission portion 52 is provided at the end).

The driving force transmission unit 52 to the residue processing device 5 is configured as shown in FIG.
In other words, the drive rotary shaft 53 provided with the cutting blade 53a of the residue processing device 5 is suspended and supported by the vertical movement of the lifting cylinder 50. A relay transmission shaft 55 that transmits a driving force to the drive rotation shaft 53 via a transmission belt 54 as a power transmission member is pivotally supported at a fixed position on the lower side of the vehicle body frame 10, and the drive rotation shaft 53, the transmission belt, and the like. The drive force transmission part 52 is comprised including the cover body 56 which covers 54 and the relay transmission shaft 55 from the lateral outer side. Power is transmitted to the relay transmission shaft 55 from the engine 80 installed at the upper part of the vehicle body frame 10 via the transmission belt 57.

The cover body 56 is formed by an inclined surface that is inclined so that a forward-facing surface 56a facing the front of the vehicle body is located rearward as it extends laterally outward. The cover body 56 also functions as a support member for the drive rotation shaft 53 when the drive rotation shaft 53 is vertically swung around the axis of the relay transmission shaft 55.
Although not shown, the power of the relay transmission shaft 55 is also supplied to the front harvesting processing device 4 via a transmission chain or the like.

[Storage and collection equipment]
Next, the storage and collection device 6 installed at the rear part of the traveling vehicle body 1 will be described.
The storage and recovery device 6 is mounted on the rear portion of the vehicle body frame 10 at a position on the rear side of the rear end of the feeder 4.
As shown in FIGS. 1 to 3 and FIGS. 6 to 8, the storage and recovery device 6 includes a tank support 7 fixed to the vehicle body frame 10, and the traveling vehicle body 1 with respect to the tank support 7. And a storage tank 60 pivotally supported so as to be swingable about a swing axis p1 along the front-rear direction.
The storage tank 60 is actuated by a telescopic cylinder 75, and is configured to be able to change its posture between a standing posture and a lying posture by swinging up and down around the swing axis p1. As shown by a solid line in FIG. 8, the harvest can be stored in a standing posture where the bottom surface 60 a is located on the vehicle body frame 10, and the bottom surface 60 a is substantially upright away from the vehicle body frame 10 as indicated by a virtual line in FIG. 8. In the lying posture, the stored harvest can be discharged to the lateral side of the traveling vehicle body 1.

The pivot axis p1 is an axis of a support shaft 76 fixed to the upper end portion of the tank support 7, and the support shaft 76 is connected and fixed to an upper frame 66 provided at the upper portion of the storage tank 60. Accordingly, the storage tank 60 is placed on the upper side of the standing posture.
As shown in FIG. 6, the tank support 7 is erected at a position offset to the left lateral side in the left-right direction of the body frame 10. The upper end side is connected to the vehicle body frame 10 in a posture in which the upper end side is tilted to the left lateral side than the lower end side, and the support shaft 76 is provided in a state of being protruded laterally outward from the left end portion of the vehicle body frame 10. .
Therefore, the storage tank 60 undulates around the pivot axis p1 at a position on the upper side of the storage tank 60 far from the upper surface of the body frame 10 and farther laterally outward than the left lateral end of the body frame 10. It is configured such that the posture can be changed between the standing posture and the lying posture by moving.
The storage direction of the storage tank 60 in the lying posture is the left-right direction of the traveling vehicle body 1, and the right-side end (the first end) where the driving force transmission unit 52 to the residue processing device 5 is disposed. It is set on the laterally outer side of the left end portion (corresponding to the second horizontal end portion) which is the opposite end portion to that corresponding to one horizontal end portion.

[Tank support]
The tank support 7 that supports the storage tank 60 includes a front frame 70 disposed on the front side of the storage tank 60, a rear frame 71 disposed on the rear side, and the front frame 70 and the rear frame 71. The horizontal frame 72 is connected to the storage tank 60 at the left side position.
The front frame 70 is a first front frame 70A located at the left end and a position overlapping the first front frame 70A in a side view, the upper end side being connected, and the lower end side being located away from the right side. 2 and a front frame 70B. The rear frame 71 is also formed in the same shape as the front frame 70, and the first rear frame 71A located at the left end is connected to the first rear frame 71A at a position overlapping the first rear frame 71A in a side view, and The lower rear side is configured to include a second rear frame 71B positioned away in the right direction.

As shown in FIG. 1, mounting plates 72 a and 72 b for the horizontal frame 72 are provided at both upper and lower ends with respect to the left lateral surface of the front frame 70 and the rear frame 71.
The horizontal frame 72 includes a first horizontal frame 72A that connects an upper mounting plate 72a of the front frame 70 and a lower mounting plate 72b of the rear frame 71, a lower mounting plate 72b of the front frame 70, and an upper portion of the rear frame 71. A second horizontal frame 72B connecting the mounting plate 72a is provided.
The first horizontal frame 72A and the second horizontal frame 72B are made of a plate material having an L-shaped cross section, and are connected to the mounting plates 72a and 72b on the front and back sides as shown in FIG. That is, in the illustrated structure, the first horizontal frame 72A is connected to the right side surface of the mounting plates 72a and 72b, and the second horizontal frame 72B is connected to the left side surface of the mounting plates 72a and 72b so as to cross each other. ing.

The fixing structure between the tank support 7 and the vehicle body frame 10 is configured as follows.
As shown in FIGS. 9 to 11, an intermediate horizontal frame 10 </ b> B is installed between a pair of left and right main frames 10 </ b> A and 10 </ b> A along the front-rear direction of the body frame 10. A laterally extending arm 17 is extended to the left outer side of the left main frame 10A on an extension line of the intermediate lateral frame 10B. A U-shaped first bracket 73 that is open upward is welded and fixed to the upper surfaces of the laterally extending arm 17 and the intermediate lateral frame 10B.
A fixing nut 73a is fixed to the first bracket 73 by welding, and a connection hole 73b is formed at a position coaxial with the fixing nut 73a.
An insertion hole 70a for the connecting bolt 73c is formed in each of the first front frame 70A and the second front frame 70B of the front frame 70. Accordingly, as shown in FIG. 11, the connecting bolt 73c is inserted in the insertion hole 70a formed in the first front frame 70A and the second front frame 70B and the connection hole 73b of the first bracket 73 in the front-rear direction. The front frame 70 is connected and fixed to the vehicle body frame 10 by being screwed into the fixing nut 73a fixed to the first bracket 73 and tightening.

FIG. 10 shows a connection structure between the first front frame 70 </ b> A and the first bracket 73 on the laterally extending arm 17. The fixing nut 73a of the first bracket 73 is welded and fixed to the upper connecting hole 73b and the lower left connecting hole 73b among the three connecting holes 73b formed in the first bracket 73. Has been. Accordingly, the upper and lower insertion holes 70a of the first front frame 70A are inserted with the connection bolts 73c in a state where they match the upper connection hole 73b and the lower left connection hole 73b to which the fixing nut 73a is fixed by welding. Fixed.
FIG. 11 shows a connection structure between the second front frame 70B and the first bracket 73 on the intermediate horizontal frame 10B. In this place, the fixing nut 73a of the first bracket 73 is fixed to the upper connecting hole 73b and the lower right connecting hole 73b among the three connecting holes 73b formed in the first bracket 73. 73a is fixed by welding. Accordingly, the upper and lower insertion holes 70a of the second front frame 70B are inserted with the connection bolts 73c in a state where they match the upper connection hole 73b and the lower right connection hole 73b to which the fixing nut 73a is fixed by welding. Fixed.

As shown in FIGS. 8, 9 and 12, a rear connection frame 10 </ b> C is formed in a channel shape and is elongated in the left-right direction at the rear ends of the pair of left and right main frames 10 </ b> A, 10 </ b> A.
Thereafter, a connecting bolt insertion hole 10Ca is formed in the connecting frame 10C near the left end and on the upper surface near the right end.
U-shaped second brackets 74 that are open upward are welded to the lower ends of the first rear frame 71A and the second rear frame 71B of the rear frame 71, respectively. In the second bracket 74, long connecting long holes 74a are formed in the left and right directions at both front and rear positions of the fixing positions of the first rear frame 71A and the second rear frame 71B.
Therefore, the front and rear connecting long holes 74a of the second bracket 74 fixed to the lower ends of the first rear frame 71A and the second rear frame 71B, and the bolt insertion holes 10Ca formed in the rear connecting frame 10C. The rear frame 71 is connected and fixed to the vehicle body frame 10 by inserting the connecting bolts 74b and tightening and fixing them.
FIG. 12 shows a connection portion between the first rear frame 71 </ b> A of the rear frame 71 and the second bracket 74. The structure of the connection portion between the second rear frame 71B and the second bracket 74 is that the connection angle between the second rear frame 71B and the second bracket 74 is slightly different, and the first rear frame 71A and the second bracket 74 are different from each other. Since the structure is the same as that of the connecting portion, the illustration is omitted.

In the connecting structure portion between the rear frame 71 and the vehicle body frame 10, in the second bracket 74, long connecting elongated holes 74 a in the left-right direction are provided at both the front and rear positions of the fixing positions of the first rear frame 71 A and the second rear frame 71 B. Thus, the mounting position of the second bracket 74 and the vehicle body frame 10 along the length direction of the connecting long hole 74a can be adjusted and attached.
Therefore, when the tank support 7 is fixed to the vehicle body frame 10 with the front frame 70 side as an attachment reference, due to overall distortion of the tank support 7 or manufacturing errors, the space between the rear frame 71 side and the vehicle body frame 10 side. Even if there is a slight misalignment in the left-right direction, this can be absorbed and attached. That is, the elongated connecting hole 74 a formed in the second bracket 74 in the left-right direction constitutes a position adjusting mechanism that can adjust the mounting position of the tank support base 7 in the horizontal direction with respect to the vehicle body frame 10.
Also in the vertical direction, by inserting an appropriate number of shims 74c between the lower surface of the second bracket 74 and the upper surface of the rear connecting frame 10C, the rear frame 71 is held in a state in which the positional deviation in the vertical direction is absorbed. It can be connected and fixed to the body frame 10. The shim 74c constitutes a position adjusting mechanism capable of adjusting the mounting position of the tank support 7 in the vertical direction with respect to the vehicle body frame 10.

As shown in FIGS. 6 to 8, the telescopic cylinder 75 that swings the storage tank 60 up and down includes an upper frame 66 provided in the upper part on the front side of the storage tank 60 and the length direction of the second front frame 70 </ b> B in the front frame 70. Between the upper frame 66 provided in the upper part of the rear side of the storage tank 60 and the intermediate position of the rear frame 71 in the longitudinal direction of the second rear frame 71B. It is configured to extend and retract in synchronization with the front and rear.
The expansion / contraction operation range of the expansion / contraction cylinder 75 is such that the expansion / contraction cylinder 75 contracts most when the bottom surface 60a of the storage tank 60 is positioned on the vehicle body frame 10 as shown by a solid line in FIG. Thus, when the bottom surface 60a is separated from the vehicle body frame 10 and is in a lying posture substantially along the vertical direction, or the lying posture in which the upper side of the bottom surface 60a is further laterally outward than the lower side of the lying posture, It is set to reach the limit.

[Storage tank]
The structure of the storage tank 60 will be described.
The storage tank 60 is formed in a bottomed box shape having a rectangular shape in a plan view in which each of the four sides of a substantially rectangular bottom plate portion 61 having a bottom surface 60a facing the vehicle body frame 10 is surrounded by a peripheral wall and opened upward. .
That is, as shown in FIGS. 14 to 17, the storage tank 60 includes a front side wall portion 62 facing the front of the traveling vehicle body 1, a rear side wall portion 63 facing the rear, around the peripheral frame 61 a of the bottom plate portion 61. It has a right side wall portion 64 (corresponding to a lateral side wall portion) facing in the right lateral direction and a left side wall portion 65 (corresponding to a lateral side wall portion) facing in the left lateral direction. A crop receiving port 6A for introducing a crop from the feeder 4 and a see-through window portion 6B for making the inside of the storage tank 60 visible from the front side are formed in the upper part of the front side wall 62. . The see-through window portion 6B only needs to be able to visually observe the inside while preventing the leakage of the harvest, and this structure employs expanded metal.

The left side wall 65 on the left lateral side, which is the direction in which the harvest is discharged, is a standing posture of the storage tank 60, the lower end side is positioned near the left end of the body frame 10, and the upper end side is lateral to the left end of the body frame 10. The upper side is provided with an inclined posture located on the left side as it protrudes outward. The inclination angle of the left side wall portion 65 with respect to the bottom plate portion 61 is set to an angle at which the harvested product in the storage tank 60 can be reliably slid down when the bottom plate portion 61 is operated in a substantially vertical posture.
The right side wall portion 64 facing the right lateral direction of the traveling vehicle body 1 is formed of a rectangular plate material substantially along a vertical line in the standing posture of the storage tank 60.
The front side wall part 62 and the rear side wall part 63 are standing postures of the storage tank 60, the right side edge is substantially along the vertical line along the right side wall part 64, and the left side side edge is upward along the left side wall part 65. It is formed in the inclined edge located in the left lateral side, so that the side is.

  The front side wall part 62 and the rear side wall part 63 are welded to the outside of the wall with a horizontally long upper frame 66 covering the entire width in the left-right direction at a position corresponding to a height position of about 2/3 in the height direction. Fixed. At the left end of the front and rear upper frames 66, 66 provided on each of the front side wall 62 and the rear side wall 63, the tank is positioned outside the storage tank 60 in the left side wall 65. A support shaft 76 that connects the upper ends of the front frame 70 and the rear frame 71 of the support base 7 is provided so as to penetrate the front and rear upper frames 66 and 66. The axis of the support shaft 76 becomes the pivot axis p1 when the storage tank 60 swings up and down.

The front side wall part 62 and the rear side wall part 63 are provided with peripheral frames 62a and 63a for reinforcement at respective outer peripheral edge portions. Two reinforcing rib members 60b are welded and fixed along the vertical direction between the peripheral frames 62a and 63a on the bottom side of the front side wall 62 and the rear side wall 63, and the upper frame 66. As shown in FIG. 17, the reinforcing rib member 60 b has a shape in which the center bulges in a mountain shape toward the outdoor side of the storage tank 60 in a cross-sectional view.
A similar reinforcing rib member 60 b is also formed on the indoor side of the storage tank 60 with the left side wall portion 65, the bottom plate portion 61, and the right side wall portion 64. The indoor-side reinforcing rib member 60b is formed in such a shape that the center bulges in a mountain shape toward the indoor side. Two reinforcing rib members 60b of the left side wall portion 65 are provided at two positions along the vertical direction, and two reinforcing rib members 60b of the bottom plate portion 61 are spaced apart along the left-right direction. Is provided. On the right side wall 64, one reinforcing rib member 60b is provided along the vertical direction at a substantially central position in the front-rear direction on the indoor side of the storage tank 60.

9 and 13, of the pair of left and right main frames 10A, 10A along the front-rear direction of the body frame 10, the right main frame 10A has a support wider than the width in the left-right direction of the main frame 10A. A plate 18 is provided.
The support plate 18 contacts the bottom surface 60a of the storage tank 60 at two positions in the length direction of the right main frame 10A, a position near the intermediate horizontal frame 10B and a position near the rear connection frame 10C. 60 is supported.
The support plate 18 is located near the right side of the reinforcing rib member 60b provided on the upper surface of the right main frame 10A and the front side wall 62 and the rear side wall 63 of the storage tank 60 in the front-rear direction. This is a range extending to the lower end side of the reinforcing rib member 60b provided at the location. Therefore, even if the reinforcing rib member 60b provided on the right side of the front side wall portion 62 and the rear side wall portion 63 of the storage tank 60 is slightly off the upper surface of the right main frame 10A, The acting load can be reliably applied to the right main frame 10A via the reinforcing rib member 60b and the support plate 18 provided on the right side.

Among the peripheral walls of the storage tank 60, the front side wall 62 and the left side wall 65, and the left side wall 65 and the rear side wall 63 are welded to the lower side of the upper frame 66 at the points where the respective ends join. And the bottom plate portion 61 are also integrated by welding.
The right side wall 64 is detachably bolted to the right side edge of the front side wall part 62 and the right side edge of the rear side wall part 63 via a number of fixing bolts 60c.
The wall portions 62A and 63A above the upper frame 66 of the front side wall portion 62 and the rear side wall portion 63 are located at the upper edge of the upper frame 66, the upper side of the left side wall portion 65, and the upper side of the right side wall portion 64. It is connected to the bolt.

The wall portion 62A on the upper side of the upper frame 66 of the front side wall portion 62 is formed with a crop receiving port 6A for introducing a crop from the feeder 4 at a substantially central position in the left-right direction. A portion corresponding to the left edge portion of the harvest receiving port 6A and the left wall portion 65 is formed in the see-through window portion 6B.
The see-through window portion 6B is located at the upper portion of the left end portion of the storage tank 6 in the harvested product discharge direction, and is provided at a position protruding laterally outward from the left end portion of the body frame 10.

At the end of the storage tank 60 on the discharge direction side, there is a sharp corner formed by an end edge where the left side wall portion 65 and the front side wall portion 62 intersect and an upper end edge of the front side wall portion 62. However, the see-through window portion 6B is formed at a location close to the corner portion including the sharp corner portion.
Further, as shown in FIGS. 2 and 21, the portion where the see-through window portion 6 </ b> B exists is provided so as to be located on the left lateral outer side than the left end portion of the operation cabin 20.

The upper frame 66 provided on each of the front side wall portion 62 side and the rear side wall portion 63 side of the storage tank 60 includes an upper frame main portion 67 extending over the entire length of the upper frame 66 and a left end portion of the upper frame main portion 67. And a cylinder connecting portion 68 provided at the offset position.
As shown in FIGS. 18 and 19, the upper frame main portion 67 has a flat plate member 67B wider than the open side end portion at the open side end portion of the channel-shaped horizontal cross member 67A that is slightly wider in the vertical direction. Is fixed by welding. As a result, the flat plate member 67B is formed in a rectangular tube shape so that the open side of the channel-shaped horizontal beam member 67A is closed, and the wide flat plate member 67B protrudes in a flange shape above and below the rectangular tube portion. An upper frame main portion 67 having a different shape is formed. A cylinder connecting portion 68 is formed near the left end portion of the upper frame main portion 67, and the above-described support shaft 76 is attached to the left end portion further than the cylinder connecting portion 68.

The cylinder connecting portion 68 is configured as shown in FIGS. 14 and 18.
The lower reinforcing member 68A and the outer reinforcing member 68B constituting the cylinder connecting portion 68 in a state of being positioned outside the channel-shaped horizontal beam member 67A at a location near the left end portion of the upper frame main portion 67. Is provided.
As shown in FIG. 18, the lower reinforcing member 68A is welded and fixed to a portion near the lower portion of the surface 67Aa along the vertical direction of the channel-shaped horizontal beam member 67A and a portion where the wide flat plate member 67B is further widened downward. ing.
The outer reinforcing material 68B has two surfaces on the side facing the upper frame 66 and the lower side open, and the upper side, the side away from the upper frame 66, and the left and right side surfaces along the longitudinal direction of the upper frame 66 are closed. It is formed in a box shape.
As shown in FIG. 18, the outer reinforcing material 68B is provided so as to form a space further outward than the lower reinforcing material 68A. That is, a predetermined distance is formed between the vicinity of the upper portion of the surface 67Aa along the vertical direction of the horizontal beam member 67A, the surface 68Aa along the vertical direction of the lower reinforcing material 68A, and the surface 68Aa along the vertical direction of the lower reinforcing material 68A. In a state where there are spaced apart portions, the upper end side edge in contact with the outer surface of the cross beam member 67A and the left and right side edge edges in contact with the outer surface of the lower reinforcing member 68A are fixed by welding.

By attaching the outer reinforcing material 68B in this way, a state in which a predetermined interval is secured between the outer reinforcing material 68B and the surface of the lower reinforcing material 68A along the vertical direction of the lower reinforcing material 68A and the surface of the portion facing it. Become. A connecting shaft 68C for connecting the upper end portion of the telescopic cylinder 75 is inserted and fixed across the outer reinforcing member 68B and the lower reinforcing member 68A at a position facing the outer reinforcing member 68B. The connecting shaft 68C serves as the connecting shaft on the upper end side of the telescopic cylinder 75.
The cylinder connecting portion 68 configured as described above is provided on both the front side wall 62 side and the rear side wall 63 side of the storage tank 60. The telescopic cylinder 75 is located between the connecting shaft 68C provided on the front side wall 62 side and the intermediate position of the front frame 70 of the tank support 7 in the longitudinal direction of the second front frame 70B, and the rear side wall 63. The connecting shaft 68 </ b> C provided on the side and the intermediate position of the rear frame 71 in the longitudinal direction of the second rear frame 71 </ b> B are provided.

[Driving cabin]
As shown in FIG. 1 to FIG. 3, the operation cabin 20 includes a front wall 22, a rear wall 23 (corresponding to a rear wall), a right side wall 24, A peripheral wall composed of a lateral wall 25 (corresponding to a lateral wall portion) and a roof plate 26 are provided and formed in a rectangular box shape.
The front chamber wall 22 that is the front surface is substantially made of transparent glass, and is formed in a shape that inclines toward the front toward the upper side.
As shown in FIG. 21, the rear rear wall 23 on the rear surface has a narrow vertical width so that the operator sitting on the driver's seat 2C can look back on the rear side of the vehicle body when looking back. However, a wide rear window 23a is formed in the left-right direction. The rear window 23a is made of transparent glass, and is configured so as to be able to visually recognize the storage state of the harvested product that is thrown into the rear storage tank 60, the harvested product discharge state in the lying posture of the storage tank 60, and the like. Yes.

The left side wall 25 of the room, which is the left side surface, is provided with a transparent glass opening / closing door 25a that can be opened and closed at the front side, and the opening / closing door 25a opens and closes the rear side with the hinge 25b on the front side as a swing fulcrum. Is provided. On the rear side of the left side surface, there is provided an auxiliary opening / closing window 25c (corresponding to a side window) made of transparent glass that can be opened / closed using the rear hinge 25d as a swing fulcrum.
In addition, on the left lateral outer side of the driving cabin 20, the state of storage of the harvest in the storage tank 60 in the standing posture and the harvest from the storage tank 60 in the lying posture in the state of being seated on the driver's seat 2 </ b> C. A rearview mirror 27 is provided so that the discharge state can be visually recognized through the fluoroscopic window portion 6B.

  On the right side wall 24 on the right side, an opening / closing door 24a and an auxiliary opening / closing window 24c are provided in the same arrangement as the left side wall 25. The right opening / closing door 24a is open / close for emergency escape. The opening amount of the door 24a is limited to a predetermined range. Further, on the right side of the driving cabin 20, the driving unit step 2 </ b> B and the boarding / alighting step 13 as on the left side are not provided.

An operation portion 28 of an expansion / contraction cylinder 75 for changing the posture of the storage tank 60 is provided at an intermediate portion in the vertical direction of the rear column 20a provided at the left end of the chamber rear wall 23 of the operation cabin 20. Yes.
As shown in FIGS. 1 and 21, the operation unit 28 is provided at the upper left part on the left side of the driver's seat 2 </ b> C and can be operated while looking back while staying on the driver's seat 2 </ b> C. The operating portion 28 is disposed in a state in which the operator opens the left opening / closing door 25a, puts one foot on the driving portion step 2B outside the driving cabin 20, and places the half body outside the driving cabin 20. Alternatively, even when the driver rides on the driving unit step 2B with both feet, the position is set to reach if one arm is extended from the doorway into the driving cabin 20.
Further, if the left auxiliary opening / closing window 25c is opened, the operation unit 28 can be operated from the outside of the driving cabin 20 even when the opening / closing door 25a is closed.

  As shown in FIG. 21, the operation unit 28 includes a pair of push button type operation switches 28a and 28b arranged vertically. The operation switch 28a disposed on the upper side is a switch for operating the telescopic cylinder 75 to the expansion side so as to change the posture of the storage tank 60 to the lying down position and discharge the harvest, and the operation switch disposed on the lower side. 28b is a switch for operating the telescopic cylinder 75 to the contraction side so as to change the posture to the side where the storage tank 60 is returned to the standing posture.

[Other Embodiment 1]
In the embodiment, the left side wall portion 65 of the storage tank 60 is in the standing posture of the storage tank 60, the lower end side is positioned near the left end portion of the vehicle body frame 10, and the upper end side protrudes laterally outside the left end portion of the vehicle body frame 10. Thus, it forms so that it may be the inclination attitude | position which is located in the left side side toward the upper side. Then, the inclination angle is set to an angle that allows the harvested product in the storage tank 60 to slide down reliably when the bottom plate portion 61 is operated in a substantially vertical posture, but is not limited to this. Absent.
For example, the angle may be set such that the harvested product in the storage tank 60 can be surely slid down in the middle from the state in which the bottom plate portion 61 is in a substantially horizontal posture to the vertical posture. On the contrary, even if the bottom plate portion 61 is operated in a substantially vertical posture, the angle does not yet reach an angle at which the harvested product in the storage tank 60 can be reliably slid down. An angle that allows the harvested product in the storage tank 60 to slide down reliably in a state in which the portion located on the upper side of 61 is swung until the portion located on the lateral side is located further laterally than the portion located on the lower side. You may set so that.
Further, the left side wall 65 may not be an inclined side wall, but may be configured to be a side wall perpendicular to the bottom plate 61 like the right side wall 64.
Other configurations may be the same as those in the above-described embodiment.

[Second embodiment]
In the embodiment, a horizontally long upper frame 66 is provided at a place corresponding to a height position of about 2/3 in the height direction of the storage tank 60 where the swing axis p1 of the storage tank 60 exists. The position of the support shaft 76 provided on the upper frame 66 is not limited to this.
That is, the position of the upper frame 66 is appropriately changed, for example, about 1/2 or about 3/4 in the height direction, and the position of the pivot axis p1 is also set to the height position of the upper frame 66. You may make it change according to a change. Further, the position of the pivot axis p1 may be uniquely set in the height direction independently of the position of the upper frame 66. The position of the pivot axis p1 in the height direction may be set to an arbitrary position, but is desirably on the upper half side of the storage tank 60.
Other configurations may be the same as those in the above-described embodiment.

[3 of another embodiment]
In the embodiment, with respect to the attachment of the tank support 7 to the vehicle body frame 10, the front frame 70 side is welded and fixed to the vehicle body frame 10, and the rear frame 71 is connected and fixed via a position adjusting mechanism. Although shown, it is not limited to this.
That is, the rear frame 71 side may be fixed to the vehicle body frame 10 by welding, and the front frame 70 may be connected and fixed via a position adjusting mechanism.
Further, the front frame 70 side and the rear frame 71 side may be connected and fixed via a position adjusting mechanism. The position adjusting mechanism is not limited to the connecting long hole 74a and the shim 74c, and an appropriate structure can be adopted.
Other configurations may be the same as those in the above-described embodiment.

[4 of another embodiment]
In the embodiment, the structure in which the see-through window portion 6B of the storage tank 60 is made of expanded metal is exemplified, but the present invention is not limited to this. For example, an appropriate structure can be adopted as long as the inside of the see-through window 6B can be visually observed while preventing leakage of harvested products, such as punching metal, wire mesh, lattice-like members, transparent resin plate, and transparent glass plate.
Other configurations may be the same as those in the above-described embodiment.

[5 of another embodiment]

In the embodiment, the guide member 49 is continuously provided on the lower surface side of the bottom plate portion 48a of the inclined guide body 48. However, the present invention is not limited to this.
For example, as shown in FIG. 22, it may be provided so as to be connected to the receiving guide 6 </ b> Aa of the harvest receiving port 6 </ b> A of the storage tank 60 and to be connected to the lower end of the inclined guide body 48. Further, as shown in FIG. 23, a guide member 49 is provided not only on the lower surface side of the bottom plate portion 48a of the inclined guide body 48 but also on the rising wall 48b of the inclined guide body 48, and the guide member 49 is connected and fixed to the side plate portion. You may make it do.
Other configurations may be the same as those in the above-described embodiment.

[6 of another embodiment]
In the embodiment, the structure in which the operation unit 28 is provided on the rear column 20a of the left lateral end of the rear chamber wall 23 in the operation cabin 20 is shown, but the present invention is not limited to this.
In other words, when the driving cabin 20 is provided, the driving cabin 20 can be provided at any position where it can be operated in a posture in which the driving cabin 20 can be visually recognized from the rear. It is desirable that the portion not be far away from the open / close door 25a so that the
When the driving cabin 20 is not provided, it can be selected and provided at an arbitrary position such as an appropriate operation position near the steering handle 2D or an appropriate operation position beside the driver seat 2C.
Other configurations may be the same as those in the above-described embodiment.

[7 of another embodiment]
In the embodiment, the operation unit 28 has a structure in which a pair of operation switches 28a and 28b are provided on the upper and lower sides, but the operation unit 28 is not limited thereto.
That is, the arrangement direction of the pair of operation switches 28a and 28b is not limited to the top and bottom, and may be front and rear or left and right.
Further, as the operation switches 28a and 28b, it is not necessary to use a plurality of operation switches 28a and 28b as a pair. By using a single operation switch having a plurality of push operation units, it is possible to operate one push operation unit. The telescopic cylinder 75 may be operated so as to operate the storage tank 60 toward the lying down side, and the telescopic cylinder 75 may be operated so as to operate the storage tank 60 toward the standing side by operating the other push operation unit.
Other configurations may be the same as those in the above-described embodiment.

[8 of another embodiment]
In the embodiment, the right side wall 24 on the right side, which is an uncut area, is not provided with the driving unit step 2B or the step 13 for getting on and off, and the open / close door 24a is also opened in a narrower range than the left open / close door 25a. Although the amount is limited, it is not limited to this.
That is, the open / close door 24a that can be opened and closed is provided on the right side wall 24 side of the right side, which is an uncut area, as well as the open / close door 25a on the left side wall 25 side. It may be provided.

  The present invention can be applied to a corn harvester for harvesting corn, and can also be applied to a structure without a driving cabin and a front wheel steering type.

1 traveling vehicle body 3 harvesting section (harvest processing device)
4 Feeder 5 Residue processing device 6A Harvested product receiving port 7 Tank support 10 Car body frame 2B Driving unit step 13 Step for getting on / off 14 Working deck 20 Driving cabin 43 Harvested product outlet 47 Downflow guide mechanism 48 Inclined guide body 48a Bottom plate portion 48b Standing wall 49 Guide member 52 Driving force transmission portion 54 Power transmission member 56 Cover body 56a Front face 60 Storage tank 70 Front frame 71 Rear frame 74a Position adjustment mechanism (connection long hole)
74c Position adjustment mechanism (Shim)
75 Telescopic cylinder 76 Support shaft p1 Swing axis

Claims (17)

A harvesting part that is located in the front of the traveling vehicle body and harvests the harvest,
A feeder that conveys the harvested product harvested in the harvesting unit to the rear side of the machine body and discharges it from the rear side;
A storage tank capable of storing the harvested product discharged from the conveying end of the feeder;
The storage tank is configured such that the posture can be changed between a standing posture and a lying posture by swinging up and down around a swing axis along the longitudinal direction of the traveling vehicle body,
The storage tank is configured such that the harvested product can be stored in the standing posture, and the harvested product stored in the lying posture can be discharged to a lateral side of the traveling vehicle body. .   The corn harvester according to claim 1, wherein the swing axis is provided on an upper side of the storage tank.   The corn harvester according to claim 1 or 2, wherein the swing axis is provided at a position protruding laterally outward from a lateral lateral end of a vehicle body frame on which the storage tank is mounted.   In the traveling vehicle body, a residue processing device that shreds the stems left in the field is provided at a location behind the harvesting unit, and a driving force transmission unit to the residue processing device is provided on the traveling vehicle body. Provided at a first horizontal end that is one end side in the left-right direction, and a crop discharge direction of the storage tank is laterally outside a second horizontal end that is an end opposite to the first horizontal end. The corn harvester according to any one of claims 1 to 3, which is directed to.   The drive force transmission unit to the residue processing device is provided with a cover body that covers a power transmission member disposed on the laterally outer side of the vehicle body frame, and the forward facing surface of the cover body is located rearward as the laterally outer side. The corn harvester according to claim 4, wherein the corn harvester is formed on an inclined surface.   The corn according to claim 4 or 5, wherein the traveling vehicle body is provided with a driving cabin, and a boarding / alighting step for getting on and off the driving cabin is provided on the same lateral side as a harvested discharge direction of the storage tank. Harvester.   On the same lateral side as the side on which the step for getting on and off of the traveling vehicle body is provided, on the lateral outer side of the driving cabin, there is provided a driving unit step that can be transferred from the driving cabin and the step for getting on and off. The corn harvester according to claim 6, wherein a work deck is provided on the rear side of the step.   The end of the storage tank in the left and right direction of the traveling vehicle body is disposed so as to be located laterally outside the end of the driving cabin in the same direction. Corn harvester. A crop receiving port is provided at a front portion of the storage tank with a predetermined distance in the front-rear direction between the crop discharge port at the terminal end of the feeder and the crop receiving port and the crop discharge port. Between the outlet, a flow guide mechanism is provided for guiding the harvest that has reached the terminal end of the feeder to move toward the storage tank,
The flow guide mechanism includes an inclined guide body whose guide surface is inclined so that the crop that has reached the terminal end of the feeder slides down toward the storage tank, and a guide surface along the guide surface of the inclined guide body. The corn harvester according to any one of claims 1 to 8, wherein the corn harvester is configured to include an inclined and flexible guide member.   The corn harvester according to claim 9, wherein the guide member is attached to the inclined guide body.   The corn harvester according to claim 9, wherein the guide member is attached to the harvest receiving port. The inclined guide body is configured to include a bottom plate portion provided with the inclined guide surface, and rising walls that suppress spillage of crops to the sides on both sides of the bottom plate portion,
The corn harvester according to claim 9 or 10, wherein the guide member is attached to the bottom plate portion.   The corn harvester according to claim 12, wherein the guide member is attached to a lower surface side of the bottom plate portion.   The corn harvester according to claim 12 or 13, wherein the guide member is attached to rising walls on both sides of the inclined guide body. The pivot axis is an axis of a support shaft supported by a tank support mounted on a vehicle body frame of the traveling vehicle body,
The tank support is configured to include a front frame disposed on the front side of the storage tank in the longitudinal direction of the vehicle body, and a rear frame disposed on the rear side.
An expansion / contraction cylinder is interposed between the storage tank and the front frame and between the storage tank and the rear frame to rotate the storage tank around the swing axis to change its posture. The corn harvester according to any one of claims 1 to 14. The pivot axis is an axis of a support shaft supported by a tank support mounted on a vehicle body frame of the traveling vehicle body,
The tank support is configured to include a front frame disposed on the front side of the storage tank in the longitudinal direction of the vehicle body, and a rear frame disposed on the rear side.
The corn harvester according to any one of claims 1 to 15, wherein a position adjustment mechanism capable of adjusting a mounting position in a horizontal direction with respect to the vehicle body frame is provided in either the front frame or the rear frame. Machine. The pivot axis is an axis of a support shaft supported by a tank support mounted on a vehicle body frame of the traveling vehicle body,
The tank support is configured to include a front frame disposed on the front side of the storage tank in the longitudinal direction of the vehicle body, and a rear frame disposed on the rear side.
The position adjustment mechanism which can adjust the attachment position in the up-down direction with respect to the said vehicle body frame is provided in any one of the said front frame or the said rear frame. Corn harvester.

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