JP6061179B2 - Combine - Google Patents

Description

  The present invention relates to a combine equipped with a feeder house.

Conventionally, the feeder house of the pretreatment device reaper for transporting the cereal stalks threshing device for preventing tangling of grain stalks to Jikuka by a drive shaft to the rear drive shaft pivotally mounted to the pair of right and left sprockets There has been proposed a structure in which a winding preventing collar is arranged between the pair of left and right sprockets and both side walls of the feeder house. (See Patent Document 1).

JP 2005-87064 A

However, in the conventional feeder house, since the cereal grains conveyed in the feeder house are entangled with the feeder chain, the feeder chain may come off the sprocket. work efficiency due to the need to remove the grain culm tangled in etc. there is a problem that low.
Therefore, the main problem of the present invention is to eliminate such problems.

The present invention that has solved the above problems is as follows.
The invention which concerns on Claim 1 is a combine provided with the feeder house (50) which conveys a cereal to a threshing device (3) from the pre-cutting device (4),
The first drive wheels (56L, 56L) pivoted on the left and right sides at the rear of the feeder house (50) and the first drive wheels (56L) pivoted on the left and right other sides of the rear of the feeder house (50). , 56L) having a second drive wheel (56R, 56R) driven at a lower peripheral speed than the first drive wheel (56L, 56L), and a plurality of first plates (14L) at predetermined intervals. A first feeder chain (12L, 12L) hung around a first driven wheel (57L, 57L) provided at a front portion of the feeder house (50) and a plurality of second plates (14R) are provided at predetermined intervals. the second drive wheel (56R, 56R) and with the second driven wheel (57R, 57R) provided on the front of the feeder house (50) the second feeder Chen (12R, 12R) which is wound around the said first 2 drive wheels (56R, 6R) is formed in a cylindrical shape, and the first drive shaft (56A) on which the first drive wheels (56L, 56L) are attached is the second drive shaft (56B). Rotation of the first drive shaft (56A) through a reduction gear (19) provided at the end of the first drive shaft (56A) on the second drive shaft (56B) side. The combine is characterized in that it is configured to decelerate and transmit to the second drive shaft (56B) .

The invention according to claim 2, the end of the first plate (14L) side of the second plate (14R), a combine of claim 1, wherein mounting the cutting blade for cutting the cereal stalks (15).

The invention according to claim 3 is provided with a scraping bar (65C) extending outward from the outer periphery of the conveying spiral (65A) at the front portion of the handling cylinder (65) of the threshing device (3). The combine according to 1 or 2 .

The invention according to claim 4 is a forward rotation state in which air is supplied into the feeder house (50) on the upper surface of the cereal conveyance direction intermediate portion in the feeder house (50), and in the feeder house (50). The combine according to any one of claims 1 to 3 , wherein a dust suction fan (52) capable of switching to a reverse rotation state in which air is discharged to the outside is mounted.

According to the first aspect of the present invention, the first driven wheel having a plurality of first plates (14L) at predetermined intervals and provided at the front of the first driving wheel (56L, 56L) and the feeder house (50). The first feeder chain (12L, 12L) wound around (57L, 57L) and the plurality of second plates (14R) are arranged at predetermined intervals, and the circumference is lower than that of the first drive wheels (56L, 56L). Second drive wheels (56R, 56R) driven at high speed and second feeder chains (12R, 12R) wound around second driven wheels (57R, 57R) provided at the front of the feeder house (50) since it has a long grain stalks of length is different rates torn by a first plate (14L) and the second plate to move (14R) to be shorter if the feeder chain and the drive shaft, the culms to the driven shaft or the like Prevent tangling Can.

Further, since the second drive shaft (56B) is formed in a cylindrical shape and the first drive shaft (56A) is provided through the second drive shaft (56B), the first drive shaft (56A) and It is possible to prevent entanglement of the cereals with the second drive shaft (56B).

According to the second aspect of the invention, in addition to the invention described in claim 1, wherein, in an end portion of the second plate the first plate (14L) side of the (14R), a cutting blade for cutting the cereal stalks (15) Therefore, it is possible to easily cut a long cereal with a cutting blade (15).

According to the invention described in claim 3 , in addition to the effect of the invention described in claim 1 or 2 , the front part of the handling cylinder (65) of the threshing device (3) is outside the outer periphery of the conveying spiral (65A). Since the scraping bar (65C) extending in the direction is provided, the cereal can be efficiently taken into the threshing device (3) from the feeder house (50).

According to the invention of claim 4 , in addition to the effects of the inventions of claims 1 to 3 , the feeder house (50) is equipped with the dust suction fan (52) for sucking and exhausting air. Dust in the feeder house (50) can be removed.

It is a top view of the general purpose combine equipped with a cabin. It is a right view of the general purpose combiner which equipped the cabin. It is a left view of the general purpose combiner which removed the cabin. It is a rear view of the general purpose combiner which equipped the cabin. It is a principal part bottom view of the feeder of a feeder house. (A) is an enlarged left side view of the attachment portion of the blade, (b) is an enlarged bottom view of the attachment portion of the blade, and (c) is an enlarged rear view of the attachment portion of the blade.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, although the direction is shown and demonstrated for convenience for easy understanding, the configuration is not limited by these.

As shown in FIGS. 1 to 4, the combine is provided with a traveling device 2 including a pair of left and right crawlers for traveling on the soil surface below the machine frame 1, and threshing / sorting on the upper left side of the machine frame 1. provided threshing apparatus 3 that performs, in front of the threshing apparatus 3 cutting pretreatment apparatus 4 to harvest fields of grain stalks are provided. The grain threshed and selected by the threshing device 3 is stored in a Glen tank 5 provided on the right side of the threshing device 3, and the stored grain is discharged to the outside by the discharge cylinder 7. In addition, on the upper right side of the machine body frame 1, a cabin 6 having an operation seat 6A on which an operator is boarded is provided.

(Cutting pretreatment device)
As shown in FIGS. 1 to 3, the pre-cutting processing device 4 includes a scraping device 20, an auger device 30, a horizontal cutting blade device 40, and a feeder house 50. In addition, the cutting pretreatment apparatus 4 is not limited to this embodiment, Other apparatuses, such as a vertical cutting blade apparatus and a conveying apparatus, can also be integrated according to a use.

Take-device 20 lodging the grain stalks, soy, buckwheat, etc. Length low cereal stalk, and rape, a scraping-free device auger device 30 with high grain stalks of length of Nanohana like, about the total width of the auger device 30 The auger device 30 is provided on the upper front side.
The take-up device 20 includes a reel support arm 23 and a take-up reel 21 formed in a substantially hexagonal shape in a side view that is attached to a reel central shaft 22 rotatably supported on a front portion of the reel support arm 23. It is configured.
The take-up reel 21 has a tine support rod 25 in which a plurality of reel tines 24 are suspended at predetermined intervals in the lateral direction at each corner of the six locations, and the base of the reel support arm 23 is the rear of the auger frame 31. An elevating device 27 such as a hydraulic cylinder that elevates and lowers the reel support arm 23 in the vertical direction is provided at an intermediate portion of the reel support arm 23 while being rotatably supported by a support member 26 provided on the plate. The rear portion of the lifting device 27 is rotatably supported on the side wall of the auger frame 31.

  A chain 29 is included in the sprocket mounted on the central shaft 28 rotatably supported on the rear portion of the reel support arm 23 and the sprocket mounted on the reel central shaft 22 rotatably supported on the front portion of the reel support arm 23. The engine drive transmitted to the central shaft 28 is transmitted to the reel central shaft 22 via the chain 29 and rotates the take-up reel 21.

The auger device 30 is provided in front of the feeder house 50 over the entire width of the general-purpose combiner. Auger device 30 is a device for transferring to the feeder house 50 gathered in front of the infeed opening 32 formed cereal stalks which written take-in take-device 20 on the left bottom.
The auger frame 31 of the auger device 30 includes a pair of left and right side walls, a rear plate that connects the rear portions of the side walls, and a table that connects the rear side wall and the lower portion of the rear plate. Further, the front end portion of the side wall is divided Sotai 39 and 39 are provided to divide the field of grain stalks, the front end of the table is provided with Yokokari blade device 40.

The side wall is formed in a substantially polygonal shape in a side view, the upper end portion of the side wall is inclined upward and rearward from the front portion, and the lower end portion of the side wall is formed substantially horizontally from the front portion to the intermediate portion. And projecting downward in a circular arc shape from the rear to the rear.
The rear plate is formed in a substantially rectangular shape when viewed from the front, the table is formed such that the front portion is substantially horizontal when viewed from the side, and the rear portion protrudes downward in an arc shape.
The auger frame 31 can be integrally formed by welding a side wall made of steel, a rear plate, and a table, or a single steel can be integrally formed by cutting and bending. Furthermore, the shape of the side wall or the like is not limited to the above-described shape, and can be formed in an arbitrary shape according to the application.

The take-in auger 33 is pivotally attached to a drive shaft 34 pivoted on a pair of left and right side walls. Further, the outer periphery of the take-auger 33, in order to gather the cereal stalks which have been transported to the front of the infeed opening 32 is provided with a conveying spiral which is inclined toward the right side, in front of the inlet, 32 in order to prevent stagnation of grain stalks, take-fingers 36 are provided on the outer periphery of the take-in the auger 33 located in front of the infeed opening 32.

Yokokariha device 40 is a device for cutting the take-filled-in cereal stalk strain base at take-device 20 is provided at the front end of the table of the auger device 30, and rearwardly upwardly inclined from the front in a side view ing.
The horizontal cutting blade device 40 reciprocates in the left-right direction through a fixed horizontal lower blade 42, a horizontal cutting blade plate 43 that supports the horizontal lower blade 42, and a gap formed by the horizontal lower blade 42 and the horizontal cutting blade plate 43. It is comprised from the horizontal upper blade 41 which slides. The horizontal cutting blade device 40 is not limited to this embodiment, and the horizontal upper blade located on the left side and the horizontal upper blade located on the right side are separately provided in order to prevent accumulation of sawdust. The left side upper blade and the right side upper blade can be reciprocally slid in opposite directions to each other.

The feeder house 50 is disposed between the front auger device 30 and the rear threshing device 3, and is made of rice, wheat, soybeans, buckwheat, etc. gathered in front of the feeding port 32 by the rotation of the scraping auger 33. a device for conveying the grain stalks threshing apparatus 3.

  A dust suction fan 52 is provided at an intermediate portion in the front-rear direction of the feeder house 50 in order to remove stems, dust, and the like attached to a net (not shown) built in the frame 51. By providing this dust-absorbing fan 52, dust generated when the grain blade is cut by the cutting blade 15 described later is efficiently removed, and the grain-carrying efficiency in the feeder house 50, the threshing device 3 Sorting efficiency can be increased.

A drive shaft (first drive shaft) 56A that supports the pulley 17 to which the rotation of the engine is transmitted is mounted on the rear portion of the frame body 51 of the feeder house 50, and a bearing is provided on the right side of the drive shaft 56A. A hollow drive shaft (second drive shaft) 56B into which the drive shaft 56A is inserted is provided. The rotation of the engine transmitted to the drive shaft 56A is transmitted to the drive shaft 56B after being decelerated by the reduction gear 19 composed of a plurality of gears. A driven shaft 57 is mounted on the front portion of the frame 51 of the feeder house 50.
A pair of left and right sprockets (first drive wheels) 56L and 56L are axially attached to the portion shifted to the left side of the drive shaft 56A, and a pair of left and right sprockets (first slave wheel) are shifted to the left side of the driven shaft 57. Driving wheels) 57L and 57L are attached to the shaft.
A pair of left and right sprockets (second drive wheels) 56R and 56R are attached to the drive shaft 56B, and a pair of left and right sprockets (second driven wheels) 57R and 57R are attached to the driven shaft 57.

  Feeder chains (first feeder chains) 12L and 12L are respectively wound around the sprockets 56L and 56L and the sprockets 57L and 57L, and feeder chains (second feeder chains) are respectively connected to the sprockets 56R and 56R and the sprockets 57R and 57R. 12R and 12R are wound around.

A plurality of left side plates (first plates) 14L having a substantially L-shaped cross-section are mounted on the feeder chains 12L and 12L at predetermined intervals, and the feeder chains 12R and 12R are mounted with a predetermined spacing as shown in FIG. A plurality of right side plates (second plates) 14R having a substantially L-shaped cross-sectional shape are mounted at a predetermined interval. On the left side portion of the right side plate 14R, as shown in FIG. 6, the drive shaft 56A by cutting the grain stalks to be conveyed to the feeder house 50, in order to prevent the entanglement of the 56B or the like, the front portion A cutting blade 15 in which an inclined blade is formed is attached. 5 indicates the moving direction of the left and right plates 14L and R, and indicates the relative speed of the arrow length left and right plates 14L and R. In this embodiment, the left plate 14L is on the right side. It moves backward faster than the plate 14R.

The engine rotation transmitted to the drive shaft 56A via the pulley 17 is rotated at a low speed by the low speed carrier 19 provided at the right end portion of the drive shaft 56A protruding from the right wall of the frame 51 to the right side. Conducted to 56B. Therefore, as shown in FIG. 5, the sprockets 56L and 56L supported by the drive shaft 56A and the left plate 14L hung around the sprockets 57L and 57L supported by the driven shaft 57 are sprockets supported by the drive shaft 56B. 56R, 56R and the right plate 14R hung around the sprockets 57R, 57R supported by the driven shaft 57, move rearward at a higher speed, and are placed over the left plate 14L and the right plate 14R and are long. cereal culm, prevents the drive shaft 56A being cut by the cutting blade 15 mounted to the left end portion of the right plate 14R, 56B, the twist of the driven shaft 57 or the like.
In the present embodiment, the left plate 14L is moved rearward at a higher speed than the right plate 14R, but the right plate 14R may be moved at a higher speed than the left plate 14L.

(Threshing device)
As shown in FIG. 3, the threshing apparatus 3 includes a handling chamber 60 for threshing the cereal at the top, and a sorting chamber 61 for sorting the threshed grains below the handling chamber 60.
The handling chamber 60 has a conveying spiral 65A that conveys the cereals thrown into the front part to the rear, and a handling cylinder 65 having a plurality of handling teeth 65B from the middle part to the rear part is pivoted on the front and rear walls. It is rotatably supported on the trunk shaft. Further, the conveying helix 65A, in order to prevent the retention of grain stalks that have been introduced from the feeder house 50, the take-in rod 65C which is extended outward is provided from the outer peripheral of the conveying helix 65A.

  A swing sorting device 62 is provided in the upper part of the sorting chamber 61, and a first tang 63 A for blowing air to the sheave at the front of the swing sorting device 62 and a swing sorting device 62 in the lower portion of the sorting chamber 61. The first receiving rod 63B for collecting the grains leaking from the first and the second receiving rod 63C for collecting the grains to which the branch stems and the like leaking from the swing sorting device are installed in order from the front side. The grains recovered by the first receiving tray 63B are transferred to the Glen tank 5 by the first transfer spiral built in the first receiving tray 63B, and the grains recovered by the second receiving tray 63C are second. It is transferred to the second processing chamber by a second transfer spiral built in the receiving box 63C.

(Capacitor)
On the left side of the discharge cylinder 7 on the upper surface of the discharge cylinder cover 70 that covers the portion extending in the vertical direction of the discharge cylinder 7 provided behind the Glen tank 5, as shown in FIG. In order to increase the cooling efficiency of the radiator that cools the cooling water of the engine disposed in the engine room 8, a condenser 71A is mounted.

  On the left side of the condenser 71A, a condenser fan 71B is rotatably supported by a condenser frame 72 that is erected upward from the fuselage frame 1 in order to remove dust and the like attached to the condenser 71A. Yes. The condenser fan 71 </ b> B is driven to rotate forward / reversely in synchronization with the dust suction fan 52 attached to the feeder house 50.

  In order to increase the rigidity, the capacitor frame 72 is connected to a discharge cylinder frame 73 erected upward from the machine body frame 1 to which the discharge cylinder cover 70 is attached, and two upper and lower frames 74. In addition, a top plate 75 inclined downward is provided at the upper end of the portion extending in the vertical direction of the discharge cylinder 7 in order to prevent rainwater, dust, etc. adhering to the discharge cylinder 7 from falling onto the capacitor 71A. It has been.

  The present invention can be used for a general-purpose combine harvesting pretreatment apparatus.

3 Threshing device 4 Cutting pretreatment device 12L Feeder chain (first feeder chain)
12R feeder chain (second feeder chain)
14L Left side plate (first plate)
14R Right side plate (second plate)
15 Cutting blade 19 Low speed gear 50 Feeder house 52 Dust suction fan 56A Drive shaft (first drive shaft)
56B Drive shaft (second drive shaft)
56L sprocket (first drive wheel)
56R sprocket (second drive wheel)
57 Driven shaft 57L Sprocket (first driven wheel)
57R sprocket (second driven wheel)
65 Handling cylinder 65A Conveying spiral 65C Stake bar

Claims (4)

A combine equipped with a feeder house (50) for conveying cereals from the pre-harvest processing device (4) to the threshing device (3),
First drive wheels (56L, 56L) pivoted on the left and right sides at the rear of the feeder house (50);
Second drive wheels (56R, 56R) that are pivoted on the left and right other sides of the rear part of the feeder house (50) and driven at a lower peripheral speed than the first drive wheels (56L, 56L);
A plurality of first plates (14L) are provided at predetermined intervals and are wound around the first driven wheels (57L, 57L) provided at the front of the first drive wheels (56L, 56L) and the feeder house (50). The first feeder chain (12L, 12L),
A plurality of second plates (14R) are provided at predetermined intervals and are wound around the second driven wheels (57R, 57R) provided at the front of the second drive wheels (56R, 56R) and the feeder house (50). second feeder Chen (12R, 12R) equipped with,
The second drive shaft (56B) with the second drive wheels (56R, 56R) attached thereto is formed in a cylindrical shape, and the first drive shaft (56A) with the first drive wheels (56L, 56L) attached thereto is formed. The first drive shaft (56B) is provided through the reduction gear (19) provided at the end of the first drive shaft (56A) on the second drive shaft (56B) side. A combine characterized in that the rotation of one drive shaft (56A) is decelerated and transmitted to the second drive shaft (56B) . The end of the first plate (14L) side of the second plate (14R), combine of claim 1, wherein mounting the cutting blade for cutting the cereal stalks (15). The combine according to claim 1 or 2, wherein a scraping bar (65C) extending outward from the outer periphery of the conveying spiral (65A) is provided at a front portion of the barrel (65) of the threshing device (3). A forward rotation state in which air is supplied into the feeder house (50) on the upper surface of the feeder portion (50) in the cereal conveying direction, and a reverse rotation in which the air in the feeder house (50) is discharged to the outside. The combine according to any one of claims 1 to 3 , wherein a dust suction fan (52) that can be switched to a state is mounted.

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