JP2015208294A - combine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve efficiency of reaping work and manual threshing work.SOLUTION: A threshing feed chain 13 is driven by driving force transmitted from either a reaping side transmission part HV transmitting driving force from a reaping device 3 side to the threshing feed chain 13, or a threshing side transmission part DV transmitting driving force from a threshing device 4 side to the threshing feed chain 13. A manual threshing restriction member 42, which restricts supply of grain culms to be subjected to manual threshing, is installed at a conveyance start end of the threshing feed chain 13. When the manual threshing restriction member 42 is switched into a state allowing the supply the grain culms to be subjected to manual threshing to the threshing feed chain 13, blockage of driving force from the reaping side transmission part HV to the threshing feed chain 13 and connection of driving force from the threshing side transmission part DV to the threshing feed chain 13 are automatically executed.

Description

  The present invention relates to a combine.

  Conventionally, for example, as disclosed in Patent Document 1, the rotational power from the engine is distributed to the mowing unit side and the threshing unit side, and the threshing feed chain on the threshing unit side has two stages of high speed and low speed. It is driven to rotate through a stepped transmission having a shift range. The mowing unit is configured to be continuously variable in accordance with the vehicle speed. However, the threshing feed chain is geared stepwise, and the number of continuously variable transmissions is increased particularly during handling operations. In order to maintain the safety of the work even if it is operated to the high speed side, the threshing feed chain is held in the low speed range so that it cannot be shifted to the high speed side, so that the safety of the handling operation is ensured. ing.

JP 2008-86243 A

  In contrast to such prior art, the present invention switches the threshing feed chain to drive from the reaping part side during normal mowing and threshing work, performs the work efficiently, and drives from the threshing part side during handing work. The purpose is to enable the work to be performed at a constant speed suitable for handling by switching.

The present invention aims to solve the above-described problems, and has taken the following technical means.
That is, the invention according to claim 1 is the threshing feed chain in which the threshing device (4) is mounted on the upper part of the machine body (1) provided with the reaping device (3), and the harvested cereal meal is supplied to the threshing device (4). In the combine provided with (13) on the side of the threshing device (4), the threshing feed chain (13) transmits the driving force from the reaping device (3) side to the threshing feed chain (13). Driving force transmitted from any one of the chopping side transmission unit (HV) and the threshing side transmission unit (DV) that transmits the driving force from the threshing device (4) side to the threshing feed chain (13). A handling restriction member (42) for restricting the supply of the handheld cereal meal is provided at the conveyance start end of the threshing feed chain (13), and this handling restriction member (42) Grained threshing feed chain (13) Of the driving force transmitted from the mowing side transmission part (HV) to the threshing feed chain (13) and the threshing feed chain from the threshing side transmission part (DV). The combine is provided with a controller (46) for automatically connecting the driving force transmitted to (13).

  According to the second aspect of the present invention, the driving force transmitted from the reaping device (3) side to the reaping side transmission section (HV) is connected and disconnected by the belt tension clutch (26) operated by the clutch motor (34). The combine according to claim 1, wherein the combine is configured as described above.

  The invention described in claim 3 includes a threshing counter unit (39) that supports the countershaft of the threshing device (4), and a reaping suspension base (22) that supports the reaping device (3) on the body (1). A connecting member (40) for connecting and holding the two is provided therebetween. The connecting member (40) includes a cutting-side drive gearbox (28) for driving the threshing feed chain (13) and the belt tension clutch ( 26. A combine according to claim 2, wherein a belt tension clutch mechanism (25, 26, 37) having 26) and a reaping side clutch motor (34) for connecting and disconnecting the belt tension clutch (26) are supported. is there.

  According to a fourth aspect of the present invention, there is provided a clutch motor (34, 35) for each of the belt tension clutch (26) of the cutting side transmission portion (HV) and the threshing side feed chain clutch (44) of the threshing side transmission portion (DV). 4. The combine according to claim 2 or 3, wherein the combiner is connected so as to be connected and disconnected, and is connected so that the clutch on the other side is disconnected when the clutch on one side is connected.

  In the invention according to claim 5, the motor (35) for connecting and disconnecting the threshing side feed chain clutch (44) of the threshing side transmission section (DV) is provided with the threshing side feed chain clutch (44). The combine according to claim 1, claim 2, claim 3, or claim 4 disposed below the threshing side drive gear box (30) and at a rear portion of the threshing device (4).

  According to invention of Claim 1, at the time of cutting and threshing work, this threshing feed chain (13) is driven at a speed according to the cutting speed by driving the threshing feed chain (13) from the cutting device (3) side. Rotating and efficient cutting and threshing work according to vehicle speed.

  Moreover, when performing the hand-harvesting operation of the chopped cereal, the threshing feed chain is suitable for the hand-handling work by switching the threshing feed chain (13) to drive from the threshing device (4) side. It will be driven at a constant rotational speed, and handling operations can be performed safely.

  According to invention of Claim 2, in addition to the effect of invention of Claim 1, at the time of cutting and threshing work, the belt tension clutch (26) is connected, and the threshing feed chain (13) is connected to the cutting part (3). Since it is driven from the side and the belt tension clutch (26) is shut off and switched to the drive from the threshing part side during the handling operation, the configuration of the transmission switching mechanism of the threshing feed chain (13) can be simplified.

  According to the invention of claim 3, in addition to the effect of the invention of claim 2, while the threshing device (4) and the mowing suspension (22) can be firmly held by the connecting member (40), A member attached to the connecting member (40) can be installed by effectively utilizing the space between the threshing device (4) and the mowing suspension base (22), and assembly and maintenance can be easily performed.

  According to the invention of claim 4, in addition to the effect of the invention of claim 2 or claim 3, when the belt tension clutch (26) of the cutting side transmission portion (HV) on one side is connected. Since the clutch (44) of the threshing side transmission part (DV) on the other side is connected so as to be cut off, the mowing side and the threshing side clutch do not enter at the same time, and the threshing feed chain (13) is driven. Damage to the part can be prevented.

  According to the invention of claim 5, in addition to the effect of the invention of claim 1 or claim 2 or claim 3 or claim 4, the rear lower part of the threshing device (4) is relatively dusty. Therefore, the failure of the motor (35) for connecting and disconnecting the threshing side feed chain clutch can be reduced, and the motor (35) can be easily inspected and maintained.

Combine side view Side view of the harvesting side drive input section of the main part of the combine Rear view of the main part Side view of mowing drive gearbox Same as above Side view of the main part of the threshing part Same part back view Control block circuit diagram

An embodiment of the present invention will be described with reference to the drawings.
The combine mainly includes a cutting body (cutting device) 3 at the front of the vehicle body (airframe) 1 provided with a traveling crawler 2 that cuts and conveys napped wheat straw, and a vehicle body for threshing the wheat straw that is conveyed and supplied from the cutting portion 3. It consists of a rear threshing unit (threshing device) 4. On the right side of the mowing unit, there is an operation unit such as an operation box and the driver's seat 5, and behind that is mounted a Glen tank that temporarily stores the threshed grain. When taking out, it discharges | emits by the discharge auger which can be raised / lowered and swiveled right and left.

  The mowing unit 3 is a hair clipper-type mower that divides the raised cereals left and right, a lifting device 9 that elevates the cereals after weeding, and a reaper that mows the cereals after erecting. The blade device 10 is composed of a harvested cereal conveying device that conveys the harvested culm to the rear threshing unit 4. Then, the cereals that have been transported to the terminal end of the transporting device are inherited in a proper posture by the threshing feed chain 13 of the threshing unit 4.

The threshing feed chain 13 is stretched along a handling port on one side of the handling chamber on which the handling cylinder 12 can be pivoted.
Rotational power from the engine E (disposed below the driver's seat 5) is transmitted to the traveling mission device via the HST (hydraulic continuously variable transmission) to drive the traveling crawler 2. Yes. Note that the traveling speed of the HST is continuously variable by operating the shift lever 15.

  The mowing unit 3 is transmitted to the mowing input shaft 17 via the intermediate transmission gear box and the mowing clutch 16 to the mowing unit 3, and the threshing unit 4 is operated by operating the threshing clutch lever 18. Power transmission is turned on and off. The transmission of power to the reaping part is turned on and off by the operation of the reaping switch 20 provided on the threshing clutch lever 18. When the threshing clutch 19 is in the state, the handling cylinder 12 and a sorting device such as a red pepper are driven.

  The threshing feed chain 13 is driven by two driving means HV that are input and driven from the reaping part side during the cutting operation and driven from the threshing part side during the handling operation. DV is provided.

  The mowing side drive means (the mowing side transmission portion) HV includes an output pulley 23 of the mowing input shaft 17 installed on the mowing suspension base 22 and a driving sprocket (feed chain starting end side driving sprocket) positioned on the starting end side of the threshing feed chain 13. ) The driving belt 25 is wound around the cutting-side input pulley 24 to the cutting-side driving gear box 28 that rotationally drives 27, and the rotational power to the driving sprocket 27 is turned on and off via the belt tension clutch 26.

  The threshing side drive means (threshing side transmission unit) DV is a drive sprocket (feed chain) positioned on the terminal side of the threshing feed chain 13 via the threshing side input pulley 29 and the threshing side drive gear box 30 input from the threshing unit side. End terminal side drive sprocket) 31 is configured to rotate, and shifter shaft 32 is shifted by interlocking wire 33 to engage and disengage the meshing clutch (threshing side feed chain clutch 44) in threshing side driving gear box 30. It is said.

  The clutch that intermittently drives the threshing feed chain 13 from the cutting part side and the clutch that interrupts the driving from the threshing part side are configured to be turned on and off by the chopping side clutch motor 34 and the threshing side clutch motor 35.

  In the belt tension clutch mechanism in the cutting-side drive means HV, in the embodiment, a tension rod 37 with a tension spring 36 that exceeds the fulcrum Q when the tension clutch 26 is engaged is provided so that no load is applied to the motor 34. Further, by providing a long hole in a part of the link mechanism that connects between the tension rod 37 and the crank 38 of the motor 34, a load is not directly applied to the shaft of the motor, and damage to the motor can be prevented.

  The threshing counter portion 39 that supports the countershaft of the threshing portion and the cutting suspension base 22 that suspends the cutting portion are firmly connected and held by a reinforcing plate (connecting member) 40. The reinforcing plate 40 is integrally mounted with a cutting-side drive gear box 28 that drives the threshing feed chain 13, belt tension clutch mechanisms 25, 26, and 37, and a cutting-side clutch motor 34 that engages and disengages the belt tension clutch. It is supported.

  In the threshing-side drive means DV, the threshing-side drive gear box 30 is disposed on the terminal side of the threshing feed chain 13, and the threshing-side clutch motor 35 is located below the threshing-side drive gear box 30 at the rear part of the threshing portion. It is disposed and covered with a cover 45 that can be opened and closed.

  At the time of cutting and threshing, when the threshing clutch 19 is turned on and the cutting switch 20 is turned on so that the cutting clutch 16 is turned on, the tension clutch 26 is turned on when the cutting side clutch motor 34 is turned on, and the threshing feed chain 13 It is driven from the part side via the drive sprocket 31 on the start side, and rotates in synchronization with the conveying speed on the cutting part side. The cutting and threshing conveyance speed at this time enables shift control in conjunction with the vehicle speed by the traveling HST 14.

  And at the time of handling operation, if the threshing feed chain 8 pushes upward and raises the handling control member 42 arranged on the upper surface of the starting end side, the handling mode switch 43 is turned on. Then, when the threshing-side clutch motor 35 is turned on, the clutch in the threshing-side drive gear box 30 is engaged, and the threshing feed chain 13 is rotationally driven from the threshing portion side via the terminal-side drive sprocket 31. Then, the control is switched from the cutting-side conveyance speed synchronization control state to the threshing-part side-specific control, and is rotated at a constant appropriate rotation speed suitable for handling operation.

  Next, the control means (see FIG. 8) of the mowing side and threshing side clutch motors 34 and 35 will be described. When the mowing side clutch motor 34 enters the driving clutch from the mowing side, the driving clutch from the threshing side is The threshing side clutch motor 35 is controlled by the controller 46 so as to be “cut” by the operation. Further, at the time of handling operation, when the driving clutch from the threshing side is set to “ON”, the driving clutch from the cutting side is controlled to be “OFF”.

  It should be noted that each of the above drive clutches is provided with a “disengagement” confirmation switch, and if the “disengagement” on one side is not confirmed, a safety device is provided so that the clutch on the other side is not engaged. Will not cause damage.

  In addition, when the drive clutch from the threshing portion is turned on, when the mowing clutch is tried to be turned on, a buzzer sounds and a configuration means for turning off the drive clutch from the threshing portion can be taken.

  The feed chain drive means from the reaping part is a belt transmission means, and the drive from the threshing part is an overdrive, eliminating the need for a drive clutch from the threshing part, driving from the reaping side and driving from the threshing side No adjustment is required.

DESCRIPTION OF SYMBOLS 1 Airframe 3 Mowing part 4 Threshing part 13 Threshing feed chain 22 Mowing suspension stand
25 Drive belt (belt tension clutch mechanism)
26 Tension clutch (belt tension clutch mechanism)
28 Harvesting side drive gearbox 30 Threshing side drive gearbox 34 Harvesting side clutch motor (clutch motor)
35 Threshing side clutch motor (clutch motor)
40 Reinforcement plate (connecting member)
42 Handling control member 44 Threshing side feed chain clutch HV Harvesting side drive means (reaching side transmission part)
DV Threshing side drive means (threshing side transmission part)

Claims (5)

  A threshing device (4) is mounted on the upper part of the machine body (1) provided with a reaping device (3), and a threshing feed chain (13) for supplying the threshing cereal meal to the threshing device (4) is connected to the threshing device (4). ), The threshing feed chain (13) includes a chopping side transmission unit (HV) for transmitting a driving force from the reaping device (3) side to the threshing feed chain (13), and a threshing. It is set as the structure driven by the driving force transmitted from any one transmission part with the threshing side transmission part (DV) which transmits the driving force from an apparatus (4) side to the threshing feed chain (13), The said threshing feed chain A handling restriction member (42) for regulating the supply of the hand-held cereal meal is provided at the conveyance start end of (13), and this handling restriction member (42) is handled by the threshing feed chain (13). Switch to a state that allows the supply of cereal meal In this case, the driving force transmitted from the mowing side transmission unit (HV) to the threshing feed chain (13) and the driving force transmitted from the threshing side transmission unit (DV) to the threshing feed chain (13). A combiner characterized in that it is provided with a controller (46) for automatically performing connection.   The driving force transmitted from the reaping device (3) side to the reaping side transmission section (HV) is connected and disconnected by a belt tension clutch (26) operated by a clutch motor (34). The combine according to claim 1.   The threshing counter unit (39) that supports the countershaft of the threshing device (4) and the mowing suspension (22) that supports the mowing device (3) on the machine body (1) are connected and held. A coupling member (40) that is provided, and the coupling member (40) includes a cutting-side drive gearbox (28) that drives the threshing feed chain (13), and a belt tension clutch that includes the belt tension clutch (26). The combine according to claim 2, wherein a combiner (25, 26, 37) and a harvesting side clutch motor (34) for connecting and disconnecting the belt tension clutch (26) are supported.   The belt tension clutch (26) of the cutting side transmission unit (HV) and the threshing side feed chain clutch (44) of the threshing side transmission unit (DV) are connected and disconnected by a clutch motor (34, 35). 4. The combine according to claim 2, wherein the combiner is connected so that the clutch on the other side is disconnected when the clutch on one side is connected.   The motor (35) for connecting and disconnecting the threshing side feed chain clutch (44) of the threshing side transmission section (DV) is a threshing side drive gearbox (30) provided with the threshing side feed chain clutch (44). The combine according to claim 1, claim 2, claim 3, or claim 4, which is disposed at a rear portion of the threshing device (4).

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