JP3675101B2 - Combine grain feeder - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a combine cereal conveying apparatus.
[0002]
[Prior art]
A conventional combine grain feeder includes a feed chain that rotates at a constant speed regardless of the vehicle speed when the combine moves forward and starts the harvesting and threshing operation.
[0003]
[Problems to be solved by the invention]
The above-mentioned combine cereal conveyor device, when the vehicle speed is low, is driven at a constant speed even though the cutting device is driven at a slow speed. When handing over from the machine to the feed chain, the speed at which the grain is transported suddenly increases, and as a result, the transport position of the grain is disturbed at the hand-over section between the cutting device and the feed chain, causing unhandled residue. However, when the vehicle speed is low, the rotation speed of the feed chain is changed (slow).
[0004]
However, when the speed of the feed chain is always slow when the vehicle speed is low, the speed of movement of the cereals in the threshing chamber will slow down and thresh for a long time. In the case of easy cereals, the cereals are subjected to a threshing action even after being threshed, resulting in the disadvantage that the severance occurs and the sorting becomes worse.
[0005]
The present invention is intended to solve such problems.
[0006]
[Means for Solving the Problems]
The harvester device for combine harvesters according to the present invention solves the above-described problems and has the following configuration. That is, on the chassis (2) having a traveling device (1) is mowed in該車table cutting device provided in front of (2) (3), cutting the supply transport device of the apparatus (3) to (8) A threshing device ( 11 ) for threshing and sorting the cereal rice cake that has been handed over to the feed chain ( 7 ) , and a grain tank ( 12 ) for temporarily storing the grains threshed and sorted by the threshing device ( 11 ) , In the combine equipped with the operation unit ( 16 ) , the cutting device speed changing means ( 3a ) for changing the driving speed of the cutting device ( 3 ) in relation to the traveling speed, and the speed detecting means ( 3a ) for detecting the traveling speed and 9a), the feed chain (7) feed chain speed changing means for changing the driving speed (7a) provided in the running speed when the predetermined speed or lower, the feed chain in relation to the running speed of (7) A control means ( 100 ) having a mode ( A ) for changing the speed and a mode ( B ) not changing the speed of the feed chain ( 7 ) in relation to the traveling speed is provided, and the mode ( A ) and the mode ( B ) provided switching means (17) for switching, in the case of switching the at said changeover switching means (17) mode (B), the volume in the range, the driving speed of the constant feed chain (7) to the running speed In a state where the switch can be adjusted and the volume switch is used to set the drive speed of the feed chain (7) to a predetermined speed, when the length of the cereal is detected and the cereal is short, The combine cereal conveying apparatus is characterized in that the rotational speed of the feed chain ( 7 ) is set to a low speed suitable for short culm .
[0007]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 shows a combine equipped with an embodiment of the present invention.
A cutting device 3 is provided in front of the chassis 2 having the traveling device 1, and the cutting device 3 has a weeding tool 4 for weeding the planted cereal and a cause for causing the planted culm. A case 5, a cutting blade 6 that harvests the planted culm, and a supply / conveying device 8 that sandwiches and conveys the cereal that has been trimmed by the cutting blade 6 toward the feed chain 7 at the rear are provided. .
[0008]
The reaping device 3 is supported by the reaping device support frame 10 that moves up and down around the upper fulcrum of the traveling transmission device 9 and is supported at substantially the left and right intermediate portions thereof. It is the structure which moves up and down together.
Above the chassis 2, a threshing device 11 having a feed chain 7 that takes over and transports the cereals transported from the supply and transport device 8, and a grain that temporarily stores the grains threshed and sorted by the threshing device 11. A vertical auger 12a and a horizontal auger 12b for discharging grains stored in the tank 12 and the grain tank 12 to the outside of the machine are placed. Behind the threshing device 11, there is provided a waste chain that takes over and transports the waste conveyed from the feed chain 7, and a cutter device 13 that cuts the waste after the waste chain. In addition, there is a combine equipped with another working machine other than the cutter device 13 such as a knotter for binding the waste.
[0009]
Next, the transmission structure of the combine will be described based on the transmission mechanism diagram of FIG.
The power from the engine 14 is input to the travel transmission device 9 and is arbitrarily shifted to drive the travel device 1. A part of the power in the travel transmission device 9 is directed from the shaft 15 to the reaping device 3, and a reaping device speed changing means 3a (belt type continuously variable transmission in this embodiment) is provided therebetween. .
[0010]
On the other hand, the power from the engine 14 is also sent toward the threshing device 11. First, the tang 18 is driven, and then the first spiral 19, the second spiral 20, the swing shelf 21 and the like are driven by a belt, a gear shaft or the like. In this embodiment, the feed chain 7 is removed from the rotating shaft of the second spiral 20 and is driven via the feed chain speed changing means 7a (belt type continuously variable transmission).
[0011]
The traveling transmission device 9 is provided with speed detecting means 9a for detecting the traveling speed of the combine. The driving speed of the reaping device 3 is changed by the reaping device speed changing means 3a based on the detection result of the speed detecting means 9a (vehicle speed sensor). That is, the driving speed of the reaping device 3 is lowered when the vehicle speed is low, and is increased when the vehicle speed is high.
[0012]
The feed chain speed changing means 7a for changing the drive speed of the feed chain 7 also changes the drive speed of the feed chain 7 when the vehicle speed is below a certain level based on the detection result of the vehicle speed sensor 9a. ing. This content is shown in FIG. That is, when the vehicle speed is below a certain speed, the drive speed of the feed chain 7 is also increased / decreased based on the increase / decrease of the vehicle speed, and when the vehicle speed is above a certain speed, the feed chain 7 is driven to rotate at a constant speed.
[0013]
As described above, when the rotational speed of the feed chain 7 is always changed when the vehicle speed is equal to or less than a certain speed, there may be a problem (decrease in work efficiency) depending on the work state. Therefore, when the vehicle speed is below a certain speed, a mode A for changing the rotation speed of the feed chain 7 and a mode B for changing the rotation speed of the feed chain 7 are set, and the mode A and the mode B can be switched. The means 17 is provided. Since this electrical configuration is shown in FIG. 4, this configuration will be described.
[0014]
A vehicle speed sensor 9a and a switching means 17 (switching switch) are connected to the input side of the control means 100 having the mode A and the mode B, and a cutting device speed changing means 3a and a feed chain speed are connected to the output side thereof. The change means 7a is connected.
When the combine configured as described above is caused to travel forward, the planted cereal is weeded by the weeding tool 4, is raised by the case 5, and is cut by the cutting blade 6. Thereafter, the threshing device 11 performs threshing selection while being handed over from the supply conveyance device 8 to the feed chain 7. The grain that has been threshed is temporarily stored in the Glen tank 12. Moreover, the waste after threshing is sent from the waste chain behind the feed chain 7 to the cutter device 13 and cut.
[0015]
In this way, when the combine travels forward, it travels forward at various speeds, but it travels at a considerably low speed, especially at the start of cutting. In such a case, the driving speed of the reaping device 3 is also reduced by the reaping device speed changing means 3a (Belcon), but the driving speed of the feed chain 7 is also reduced by the feed chain speed changing means 7a (Bercon). . Thereby, when the grain candy is handed over to the feed chain 7 from the supply conveying device 8 of the reaping device 3, the difference between the driving speed of the reaping device 3 and the driving speed of the feed chain 7 is reduced, so that the corn straw is stable. And it is succeeded. Accordingly, it is possible to prevent unhandled spillage, spillage, and the like due to turbulent conveyance disturbance (too shallow handling).
[0016]
However, when the traveling speed of the combine is lower than a certain speed, if the rotational speed of the feed chain 7 is reduced at any time, a problem may occur depending on the working state. For example, depending on the type of varieties, there are some that have a small portion of grain. Since the time which has acted on the 11 handling cylinder (not shown) becomes long, there was a problem that a lot of sawdust and the like were generated and the sorting became worse.
[0017]
Therefore, when the vehicle speed of the combine is below a certain speed, a mode A for changing the speed of the feed chain 7 and a mode B for changing the speed of the feed chain 7 are provided in the control means 100. The switching means 17 (switching switch) for switching between is provided. Thereby, since the operator can arbitrarily select the mode A and the mode B, the threshing selection work more suitable for the work situation can be performed.
[0018]
Next, FIG. 5 will be described.
The drive speed of the feed chain 7 can be adjusted within a certain range with respect to the combine vehicle speed. The adjustment switch (not shown) is a volume switch such as a knob, and is configured to change the rotation speed of the feed chain 7 by changing the split amount of the Belcon 7a according to the output. Thereby, since the operator can arbitrarily change the rotation speed of the feed chain 7, the threshing selection with high accuracy according to the work situation can be performed.
[0019]
Next, FIG. 6 will be described.
When the rotational speed of the harvesting device 3 is changed in accordance with the change in the vehicle speed of the combine and the rotational speed of the feed chain 7 is changed in accordance with the change in the vehicle speed, the rotational speed of the feed chain 7 increases as the vehicle speed increases. When the vehicle speed is reduced, the rotational speed of the feed chain 7 is reduced. Conventionally, only the rotational speed of the reaping device 3 is increased or decreased in response to the increase or decrease in the vehicle speed of the combine. Therefore, in the takeover part between the reaping device 3 and the feed chain 7, particularly when the amount of the corn straw is small, a trouble that the conveying posture of the corn straw is disturbed has occurred. The cereals are smoothly transferred to the feed chain 7.
[0020]
Next, FIG. 7 will be described.
In the combine vehicle speed, a certain speed is set as a reference speed, and the rate of change of the rotation speed of the feed chain 7 is changed between a speed lower than the reference speed and a speed higher than the reference speed. The rate of change is increased at low speeds, and the rate of change is reduced at high speeds. Thereby, the takeover performance of the reaping device 3 and the feed chain 7 is improved at a low speed, and a large amount of cereal can be smoothly threshed by the threshing device 11 at a high speed.
[0021]
As described above, since the rotational speed of the feed chain 7 can be arbitrarily changed, the following structure can be adopted.
While the cedar is being conveyed by the reaping device 3, the length of the cereal is detected and the rotational speed of the feed chain 7 is arbitrarily changed. For example, when the cereal meal is short, the rotational speed of the feed chain 7 is set to a low speed. Thereby, since the time for threshing becomes long, there is no unhandled residue and it is possible to prevent disorder of the conveying posture of the cereal.
[0022]
Moreover, it is good also as a structure which speed-changes the rotational speed of the feed chain 7 with the kind of cereal grain to harvest. The varieties of grains to be harvested may be set in advance by an operator, or may be automatically determined by providing a visual sensor or the like in the harvesting device 3. Among the varieties of cereals to be harvested, for example, those having poor grain shedding are configured to slow down the rotation speed of the feed chain 7. Thereby, since the time for threshing the cereals becomes longer, the threshing property is improved. In the case where the grain has good threshing property, the rotation speed of the feed chain 7 is increased. Thereby, since the time for threshing of the cereal is shortened, generation of swarf and the like is reduced, and the sorting performance is improved.
[0023]
【The invention's effect】
Since the present invention is configured as described above, the operator can arbitrarily select the mode A and the mode B, so that the threshing selection work suitable for the variety of cereal can be performed.
In addition, in the state where Mode B is selected, the driving speed of the feed chain 7 can be adjusted with the volume switch within a certain range with respect to the traveling speed, so that the threshing with high accuracy according to the work situation Sorting can be performed.
Further, in a state in which the drive speed is set to a predetermined speed of the feed chain (7) in the volume switch, the rotational speed of the feed chain 7 when culms detects the length of the culms are short culm the short culm Since it is configured so as to have a suitable low speed, the time during which the short cullet is threshed can be prevented, so that unhandled residue can be prevented, and disturbance of the conveying posture of the culm can be prevented.
[Brief description of the drawings]
[Figure 1] Left side view of combine [Figure 2] Transmission mechanism diagram [Figure 3] Relationship diagram between vehicle speed and feed chain speed [Fig. 4] Block diagram [Fig. 5] Relationship diagram between vehicle speed and feed chain speed [ Fig. 6 Relationship between vehicle speed and feed chain speed [Fig. 7] Relationship between vehicle speed and feed chain speed [Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Traveling device, 2 ... Chassis, 3 ... Mowing device, 3a ... Mowing device speed change means, 4 ... Weeding tool, 5 ... Pulling case, 6 ... Cutting blade, 7 ... Feed chain, 7a Feed chain speed change means , 8 ... Feeding and conveying device, 9 ... Traveling transmission device, 9a ... Speed detecting means, 10 ... Mowing device support frame, 11 ... Threshing device, 12 ... Glen tank, 12a ... Vertical auger, 12b ... Horizontal auger, 13 ... Cutter Equipment: 14 ... Engine, 15 ... Shaft, 16 ... Operation part, 17 ... Switching means, 18 ... Kara, 19 ... First spiral, 20 ... Second spiral, 21 ... Swing shelf, 100 ... Control means.

Claims (1)

On the traveling device (1) chassis with (2) are reaped by該車table cutting device provided in front of (2) (3), via a cutting feed conveying device of the apparatus (3) (8) Te, threshing apparatus for threshing sorting the supplied culms takeover feed chain (7) and (11), and grain tank (12) for storing temporarily threshing sorted grain by dehydration cereal device (11), the operation unit In the combine equipped with ( 16 ) , the cutting device speed changing means ( 3a ) for changing the driving speed of the cutting device ( 3 ) in relation to the traveling speed, and the speed detecting means ( 9a ) for detecting the traveling speed If the provided Feeds chain speed changing means for changing the driving speed of the chain (7) (7a), when the traveling speed is below a predetermined speed, changing the speed of the feed chain (7) in relation to the running speed Switching a mode (A) to, in relation to the running speed is provided with the control means (100) having a mode (B) that does not change the speed of the feed chain (7), the mode (A) and mode (B) When the switching means ( 17 ) is provided and the mode (B) is switched by the switching means (17), the drive speed of the feed chain ( 7 ) is adjusted with a volume switch within a certain range with respect to the traveling speed. Furthermore, in the state where the drive speed of the feed chain (7) is set to a predetermined speed with the volume switch, when the length of the cereal is detected and the cereal is short, the feed chain The combine cereal conveyance apparatus characterized by having comprised so that the rotational speed of ( 7 ) may be made into the low speed suitable for a short culm .

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