JP4565310B2 - Combine waste transport device - Google Patents

Description

The present invention relates to a waste transporting device for transferring the waste after sheding from a feed chain to a waste transporting body and discharging it to the rear of the combiner body , and in particular, the waste chain of the waste transporting body. It is related with what was comprised so that the starting end side of could be raised / lowered.

Conventionally, the support frame rod is protruded from the side plate after the threshing chamber threshing section on straw discharge transport path discharging straw frame to the support frame rod, the supporting frame and a series of clamping rails along the lines source side ironing port There is a publicly known technology in which a sewage chain and a driving device for the sewage frame are mounted on the sewage frame so that they rotate together with the opening and closing of the handling cylinder cover of the threshing part (for example, Patent Document) 1).
In addition, the waste transport chain is configured to move up and down in conjunction with opening and closing of the cover provided above the waste transport device, and the waste transport that returns to the working position for transporting the cereal by closing the cover. There is a device (see, for example, Patent Document 2).
In such a waste transporting device connected to the cover, when a clogging occurs between the waste chain and the pinch guide, abnormal pressure acts on the cover and the fixture, causing deformation and twisting. However, the present invention has a configuration in which a lifting device that lifts and lowers the starting end side of the waste chain is suspended from the frame body, and the lock mechanism is operated by opening and closing the barrel cover of the threshing section handling chamber. Thus, the waste chain is prevented from forgetting to return to the transport action position, and the gripping pressure is received by the fixed frame body.

Japanese Utility Model Publication No. 57-192147 (first page, FIGS. 1, 2 and 8) JP-A-3-49622 (page 1-3, FIGS. 1, 2, 5)

The straw discharge chain after removal work of clogging straw discharge performed is raised from the conveying action position, breaks off exhaust straw Chen caused the lock failure from the operation forget to return to the original conveying action position straw discharge chain, conveying culms May cause stagnation and cause wrapping or clogging and breakage. It is an object of the present invention to provide a waste transporting device having an interlocking mechanism that automatically locks the transport state of the waste chain by interlocking such a lock abnormality with the operation of closing the barrel cover of the threshing unit handling chamber.

The lifting shaft (17) is erected on the sliding boss (45) provided on the frame (17) so as to be slidable up and down. (32), a sliding boss (above 45, a holder (51) that is integrally mounted on the lifting shaft (32), and a left-right orientation that is rotatably fitted to the holder (51) A rotating shaft (52), a cam body (18) which is laterally attached to the holder (51) and is integrally fixed to the rotating shaft (52), and the cam body (18) A base plate (47) provided with a horizontal surface (53) with which the cam surface is slidably contacted with the frame body (17), an operating lever (5) integrated with the rotating shaft (52), and the operating lever ( 5) A lock arm (7) extended from the operating lever so as to rotate together with the frame, and the frame body so that the lock arm (7) can be engaged and disengaged. 17) A hook (50) provided on the base (47) on the side, and the actuating lever (5) and the lock arm (7) are V-shaped in a side view with the waste chain (2) raised. When the barrel cover (1) of the threshing portion is lowered from the open position to the closed position, the contact plate installed on the rear plate (10) of the barrel cover (1) is arranged. Of the contact plate (11) and the lock plate (13), first, the contact plate (11) contacts the arm protrusion (8) at the tip of the lock arm (7) and pushes down to lower the holder (51). After that, the lever tip (6) of the operating lever (5) is pressed in the downward rotation direction so as to correspond to the lower side of the lock plate (13), and the barrel cover (1) is predetermined. , The lock arm (7) engages with the hook (50), and the waste chain (2) Is maintained in a predetermined lowered state, and the conveying state of the waste chain is automatically repaired by closing the barrel cover, and a high pinching pressure for waste conveyance is directly applied to the barrel cover side. Measures were taken to make the locking device inoperative.

The lock plate 13 and the contact plate 11 are extended from the rear plate 10 of the handling cylinder cover 1 that opens and closes, and the lock arm 7 and the operating lever 5 are in the raised position when the discharge chain 2 is unlocked. Thus, these operations are performed in conjunction with the closing operation of the barrel cover 1, and the lock chain is automatically held at the position where the waste chain 2 is lowered and returned to the grain transport state. and are as hereinbefore, to prevent forgetting to reset into the harvesting while still in the raised position the elevating device 15, moreover, is very simple the contact plate 11 and locking plate 13 interlocked with an operation to close the threshing drum cover 1 In addition to the structure of the abutting plate, there is an advantage that the holding force acting on the exhaust chain 2 is absorbed by the frame 17 on the machine side and is not transmitted to the handling cover 1 side.

In order to raise and lower the starting end side of the waste chain 2 by the lifting device 15 suspended from the frame body 17 on the machine side, the cam body 18 and the lock arm 7 are fixed to the operating lever 5 and the raised position is maintained. The lifting arm 15 has a V-shaped arrangement of the lock arm 7 and the operating lever 5 in a side view, and the corresponding contact plate 11 and lock plate 13 are extended from the rear plate 10 of the barrel cover 1. Then, it arrange | positions so that it may act on the protrusion part 8 of the said lock arm 7 and the lever front-end | tip part 6 of the action | operation lever 5 with the operation of closing this handling cylinder cover 1, and the said waste chain 2 is the original conveyance state At the same time, a lock device that holds the lowered lifting device 15 acts to restore the lifting device 15 from being forgotten to be returned by closing the barrel cover 1 to prevent erroneous operation in advance. The device has been realized and the details described above Explaining the contents in the following examples.

In the following, a waste transporting device for raising and lowering a waste chain according to the present invention will be described with reference to a rear side view of a threshing portion mounted on the combine of FIG. Then, the handling cylinder 21 is rotatably mounted in the handling room 20 of the threshing part, and the grain removal process is performed while the harvested cereal is conveyed by the feed chain 22 arranged in parallel to the outside of the handling room 20 , the Hai稈after shedding the straw discharge chain 2 to obliquely transport, inherit Hai稈 from the feed chain 22 in carrier C comprising a tip carrier 23 provided on the tip side, the rear of this Hai稈combine airframe It is made into the conveyance path | route of the grain straw supplied to the cutter 25 with which it attached to. The structure for supporting such a transport body C (exhaust transport device ) is such that a frame body 17 whose front end is connected to the outlet side plate 12 of the handling chamber 20 is disposed above the reject chamber 27 equipped with the transport body C. In addition, the frame structure is arranged in an inverted U shape that opens rearward in a plan view, and the rear end portion of the frame body 17 is screwed to a portal frame 28 erected on the machine side .

9 Ri plan view showing an end side of the carrier C, and FIG. 9, in combination with a plan view of the straw discharge conveying device threshing portion of the rear side view and Figure 8 shown in FIG. 7, portal The structure in which the transport body C is suspended from the frame 28 will be described. The rear of the chain base 30 around which the tip transport body 23 and the waste chain 2 are wound is connected in parallel by a support shaft 31 and suspended from the portal frame 28. The metal 26 provided supports the end side of the transport body C so as to be rotatable, while the lifting device 15 is suspended from the start end side of the transport body C so that the transport body C is centered on the rear fulcrum XX. It has a support structure that moves up and down.
The outline of the lifting device 15 mounted on the starting end side of the transport body C is as follows. A cam body 18 that vertically moves a lifting shaft 32 erected at the rear part of the transport body C is fixed to the operating lever 5, and the cam body 18. The lifting device 15 lifts and lowers the transport body C by rotating the operating lever 5 that moves together with the arm 43 and the metal 26 fixed to the frame body 17 on the machine side, and the waste chain 2 and the tip transport body 23. The waste chain 2 and the tip transport body 23 are constructed as a waste transport device in which the front part (start side) can be moved up and down with the rear part (end side) as a pivot. .

  The outline of the sorting unit formed below the waste transporting device will be described with reference to the rear side view of FIG. 7. The swing sorting body 72 provided with the chaff sheave 71 is swung by the rotation of the drive cam 74. Then, the shed grained goods are transported rearward while being screened, the grains are separated by a sorting wind blown in the direction of the arrow D, and dust is sucked into a fan 73 provided at the rear end of the machine body to discharge the outlet 75. It is set as the structure behind the selection part discharged | emitted from the machine outside. Reference numeral 76 denotes a spring receiver which holds the pinch guide 3 in the front-rear direction.

The drive structure of the carrier C, a plan view showing the elevating device 15 of FIG. 5, will be described with main section rear view of closing the threshing drum cover 1 of Figure 4, the driving force of the straw discharge chain 2, thresher 21 is output from a drive pulley 33 provided at the shaft end of 21 and is input to a driven pulley 36 provided in a bevel case 35 connected to the lifting device 15 , so that the conveyance side of the waste chain 2 moves to move backward. In addition, the pinching guide 3 and the head guide 67 are arranged side by side in front and back, and are conveyed obliquely while pinching the head portion side of the culling and the heel side separately. Further, the sprocket 37 meshed with the non-working side exhaust chain 2 re-inputs power to the starting end side of the tip transport body 23 arranged in parallel through the connection case 38 and rotates in the same direction as the exhaust chain 2. It is set as the drive device of the conveyed carrier C made.

The structure of the lifting device 15 will be described in combination with the side view of the main part in which the transport body C in FIG. 1 is in the raised position and the plan view of FIG. 5. The top surface of the bevel case 35 provided with the driven pulley 36. The connecting pedestal 40 is screwed and the inner side is bent downward, and the support frame 42 with the rotation base 41 of the lifting shaft 32 having an inverted T-shape is sandwiched and integrated with this bent surface, and the exhaust is removed. the rotation base 41 disposed perpendicularly to the straw Chen 2, the holder 51 is fitted over the Ageuejiku 32, the actuating lever 5 arranged side by side with the cam member 18 and the lock arm 7 times rotatably to connect the swingably sliding boss 45 which is suspended from the frame 17, since the elevating shaft 32 is in the elevating device 15 for elevating vertically, generated during the lifting of the carrier C The boss length is reduced to reduce the tilt and lateral runout, and the rejection guide 3 2 became a configuration that can be accurately descent.

In this way, the upper structure in which the lifting shaft 32 moves up and down is such that the double-row arm 43 is suspended from the fixed frame body 17 so that the sliding boss 45 is swingably held, and the base 47 is attached to the arm 43. The hook 50 is fixed to the upper surface and integrated with the frame body 17 so as to project the hook 50 facing the lock arm 7 provided on the operating lever 5 on the bent surface 48, and the outer peripheral surface of the cam body 18 contacts the upper surface. Thus, the operation lever 5 is arranged, and the U-shaped groove 56 is fitted to the hook 50 at the position where the conveying body C is lowered to form a locking device for holding the lifting device 15.

The arrangement of the cam body 18 holding the transport body C in the raised position and the operation lever 5 will be described. The operation lever 5 in the locked state illustrated by the chain line is horizontal, and the operation shaft is operated by the rotation operation via the cam body 18. 52 rises to the vertical displacement amount H1, and the horizontal surface 53 of the cam body 18 comes into contact with the base 47 to maintain the raised position. An angular difference between the locking arm 7 and arranged 90 degrees to become V-shaped in a side view of the operating lever 5 in the raised position is provided, the locking arm 7, after the threshing drum cover 1 of the threshing portion threshing chamber 20 side plate is inclined to 10 side, the contact inside than descending line E-E of contact plate 11, Yes to face the arm protrusion 8 of the locking arm 7, the start end of the straw discharge chain 2 corresponding to the displacement amount H1 is This is a waste transporting device that is lifted from the pinching guide 3 by a gap H2 to facilitate removal of waste clogs and maintenance.

The operation of returning the transported body C thus raised to the raised position shown in FIG. 3 manually rotates the operating lever 5 in the direction of the arrow A, and the cam body 18 integrated with the operating lever 5 rotates. When the corner portion 55 of the cam body 18 passes through the base 47, the weight of the transport body C acts on the cam body 18 via the lifting shaft 32, and the arc surface portion of the cam body 18 slides on the base 47. However, it is structured to descend at a stroke to the bottom dead center Y shown in the figure.

  In this lowered position, the U-shaped groove 56 provided in the lock arm 7 is fitted to the hook 50 protruding from the base 47, so that the lock arm 7 is in the vertical posture and the operating lever 5 is in the horizontal posture. An angle difference is provided. In order to fix such a horizontal position, a locking device that presses the lever tip 6 that has entered the descending line FF from the raised position later with a pad material 62 bonded to the tip of the lock plate 13 is used. It is.

  The opening / closing structure of the divided handling cylinder cover will be described with reference to the rear side view of FIG. 7. The handling cylinder cover 1 is extended rearward from the handling chamber 20, and the same shape of the waste cover 57 and the waste room 27 are formed. Since the structure of the cover separated above is used, the opening / closing operation of the barrel cover 1 performed during normal work can be performed independently. Further, as shown in the rear view of the handle cylinder cover shown in FIG. 4, the handle cylinder cover 1 is rotatably mounted by a cover receiver 58 provided on the right side of the machine body. It is an opening / closing structure that opens integrally and is fixed by providing a clamping tool on the left side (not shown). Reference numeral 61 denotes a damper that reduces the labor for opening and closing the barrel cover 1.

The procedure for raising the carrier C will be described with reference to a side view of the lifting device in which the locking device of FIG. 3 is operated and a rear view of the handling cylinder cover 1 of FIG. In the operation 15, first, the barrel cover 1 is moved upward to open the lock plate 13 that contacts the tip 6 of the operating lever 5 , and then the operating lever 5 in the horizontal position is moved to an arrow. When the operation lever 5 is further rotated, the outer peripheral surface of the cam body 18 is slid and displaced. The operating shaft 52 rises to the amount H1, and the conveying arm that becomes the clearance H2 shown in FIG. 1 is in the ascending position where the lock arm 7 and the actuating lever 5 have a V-shaped angle difference in the side view in the illustrated chain line position. The open state of C is ensured. By such an upward movement, the starting end side of the waste chain 2 was expanded, and the pinching force of the grain straw was lost, so that it became easy to remove clogging and perform maintenance and inspection.

In order to prevent forgetting to lock, the structure that automatically locks in conjunction with the operation of closing the barrel cover 1 is shown in a side view of the carrier C in FIG. 1 ascending and a rear view of the barrel cover 1 in FIG. 5 together with a plan view showing the lifting device 15 in FIG. 5, the protruding portion 8 of the lock arm 7 is in contact with the lock arm 7 provided on the operating shaft 52 and the operating lever 5 in the raised position where the operating lever 5 is V-shaped. The contact plate 11 acts on the projecting portion 8 in advance from the direction of the arrow E in the descending line EE of the contact plate 11, pushes down the lock arm 7, and the U-shaped groove 56 portion is indicated by an arrow. It descends on the movement trajectory.

  The locking arm 7 is disposed on the side surface of the holder 51 integrated with the lifting shaft 32 with respect to the contact plate 11 that is lowered by the operation of closing the handling cylinder cover 1, and the operation shaft 52 welded together with the cam body 18 The cam body 18 and the lock arm 7 are juxtaposed in the vicinity of the operating shaft 52 that is rotatably fitted to the holder 51 and the load of the conveying body C is concentrated, and the vertical load acting on the lifting device 15 Is received at a position closer to the holder 51 to reduce bending stress generated in the cam body 18 and the lock arm 7 to prevent tilting and twisting, and to turn the operating lever 5 and to form a U-shaped groove 56 in the hook 50. The lifting device 15 can be securely fitted and the locking operation can be performed smoothly.

At the same time as the rotation of the lock arm 7, the lever tip 6 moves on the rotation locus indicated by the arrow A with an angle difference of 90 degrees, but the cover receiver 58 that forms the rotation fulcrum P of the barrel cover 1. The lock plate 13 is disposed on the side of the bar foot 16 that is farthest from the side, and is screwed to the mounting part of the bar foot 16 so as to be vertically adjustable. In addition, a step L is provided to the contact plate 11 that descends in the direction of the arrow in advance, causing a delay in movement of the lock plate 13 that operates subsequently, and a descending line F drawn by the tip of the lock plate 13. The lock plate 13 descends in the direction of the arrow arrow to the lever tip 6 of the actuating lever 5 that has been moved to the inside of -F, and the actuating lever 5 is pressed from above via the pad material 62, so that the barrel cover 1 Is a horizontal posture in a closed state, and a locking device that holds the lowered position of the carrier C.

FIG. 6 is a side view of the eaves presser base that opens and closes together with the barrel cover 1. A guide bar 63 is rotatably provided in front of the eaves presser base 16 fitted into the feed chain 22, and the feed spring 60 is used to feed the feed bar. It has a conveying function that performs piecing of the cereals that have been urged toward the chain 22 and cut and conveyed to the threshing part A, and the fulcrum over which the tension spring 60 is displaced above the rotation center 66 is exceeded. Thus, the position of the chain line shown in the reverse direction in the direction of the arrow G is held and used during the handling operation or the opening / closing operation of the barrel cover 1. Reference numeral 65 denotes a gripping tool provided on the non-operating side of the guide bar 63, and the chain line position shown in the drawing indicates the bar holder 16 that has been lifted together with the barrel cover 1.

  As described above, the carrier C around which the sewage chain 2 is wound is suspended from the frame 17 of the threshing part A via the lifting device 15, and the operating lever 5 provided on the lifting device 15 is mounted on the machine body. Is provided with a combiner excavator transporting device in which the rejector chain 2 is mounted on the pinch guide 3 so as to be openable and closable by a rotation operation from the outside.

  A cam body 18 and a lock arm 7 are attached to an operating lever 5 that is rotatably attached to the lifting device 15, and the cam arm 18 has a shape of a cam body 18 that is set in a V shape in a side view. When the barrel cover 1 is closed from the raised position holding state of the waste chain 2, the contact plate 11 and the lock plate 13 installed on the rear plate 10 of the barrel cover 1 are preceded by the contact plate. 11 is applied to the lock arm 7, and then the lever tip 6 presses the lock plate 13, and the lock arm 7 is fitted to the hook 50, so that the state where the waste chain 2 is lowered is held. The abutting member provided on the barrel cover 1 has a simple structure, and the arm 7 and the lever 5 constituting the lock device can be interlocked with the closing operation of the barrel cover 1, and the simplified structure makes it impossible to lock or fail to return. Preliminary transport failures due to incorrect operation I was able to stop.

  The lock arm 7 is extended from the lifting device 15 to the descending contact plate 11, and the lifting shaft 32 that moves up and down in the sliding boss 45 provided in the lifting device 15 and the holder 51 are integrated to operate. Since the lock arm 7 is rotatably mounted on the side surface of the holder 51 via the lever 5, the cam body 18 and the lock arm 7 are provided adjacent to the holder 51 where the load of the carrier C is concentrated. As a result, the bending stress generated in each member can be reduced to prevent tilting and twisting, and the locking operation can be performed smoothly.

  A lock plate 13 that presses the operating lever 5 is installed on the rear plate 10 on the side of the heel presser base 16 that is separated from the rotation fulcrum P of the barrel cover 1, and the contact plate 11 that acts on the lock arm 7 is attached to the lock plate 13. Since the turning radii are different from each other, the turning radii are different from each other, so that the contact timing is shifted and the actuating lever 5 is actuated so that the barrel cover 1 can be reliably locked in the closed state. Became.

  In order to deal with abnormal situations such as the transport body, it is used in a grain cereal transport device that opens the transport body and makes it easier to restore the abnormal situation in conjunction with the operation of opening and closing the attached cover and connecting equipment and removing it. it can.

It is a principal part side view in which the conveyance body became a raise position. It is the rear view which opened the handling cylinder cover. It is a side view of the lifting device with the locking device activated. It is the principal part rear view which closed the handling cylinder cover. It is a top view which shows a lifting apparatus. It is a side view of the eaves presser base which opens and closes together with a handling cylinder cover. It is a back side view of the threshing part carried in the combine. It is a top view of the rejection conveying apparatus which cut the principal part. It is a top view which shows the termination | terminus side of a conveyance body.

A ·· Threshering part C ·· Transport body P ·· Rotating fulcrum Y ·· Bottom dead center of the cam body H1 ·· Displacement amount at which the operating shaft rises H2 ·· Gap where the transport body rises XX ··· Transport Rotating fulcrum of body EE ・ ・ Descent line of contact plate FF ・ ・ Descent line of lock plate 1 ・ ・ Cylinder cover 2 ・ ・ Exhaust chain 3 ・ ・ Pinch guide 5 ・ ・ Operating lever 6. Lever tip 7. Lock arm 8. Arm protrusion 10. Rear plate 11. Contact plate 13. Locking plate 15. Lifting device 16. Hoist presser foot 17. 18 .. Cam body 21.. Handling cylinder 22.. Feed chain 23... Tip transport body 31.. Support shaft 32.. Lifting shaft 33 .. Drive pulley 35 .. Bevel case 36. Connecting pedestal 41 .. Rotating base 42.. Support frame 43.. Arm 45.. Sliding boss 47. Board 50 .. hook 52 ... operating shaft 53 ... horizontal surface 55 ... corner portion 56 ... U-shaped groove 62 ... pad material 63 ... guide rod
Rotating trajectory where the tip of the arrow a ...
Arrow c ... Opening / closing direction of the barrel cover
Arrow e ... Direction in which the contact plate descends
Arrow F ... The downward trajectory of the U-shaped groove on the lock arm
Arrow na-lock plate descending direction
Arrow Le ·· Descent direction of contact plate

Claims (1)

The terminal end side of the transport body (C) provided with the waste chain (2) is suspended from a frame body (17) extending rearward from the threshing portion so as to be rotatable , and the start end of the transport body (C) between the the side frame (17), said conveying body elevating device for vertically moving the (C) (15) is interposed, the operating lever provided on the elevating device (17) (5) By operation, the starting end side of the transport body (C) is moved up and down, and a pinch guide ( provided on the frame body (17) side corresponding to the waste chain ( 2) of the transport body (C ) and its transfer action side ( 3) In the combine waste transporting device configured to open and close the space from 3) , the lifting device (17) is erected on the start end side of the waste chain (2) and provided on the frame (17). The lifting shaft (32) supported by the sliding boss (45) so as to be slidable up and down, and the sliding boss (above 45 and the lifting shaft (32)) A holder (51) physically mounted, a left-right rotation shaft (52) rotatably fitted to the holder (51), and a lateral side portion of the holder (51); A cam body (18) fixed integrally to the rotating shaft (52) and a horizontal surface (53) in which the cam surface of the cam body (18) is in sliding contact are provided opposite to the frame body (17). An operating lever (5) integral with the rotating shaft (52), and a lock arm (7) extending from the operating lever so as to rotate together with the operating lever (5). The hook (50) provided on the base (47) on the frame (17) side so that the lock arm (7) can be engaged and disengaged, and the operating lever (5) and the lock arm (7) In the state in which the evacuation chain (2) is raised, it is arranged so as to exhibit a V shape in a side view, and the barrel of the threshing part is arranged. When the bar (1) is lowered from the open position to the closed position, the contact plate (11) and the lock plate (13) installed on the rear plate (10) of the barrel cover (1), First, the contact plate (11) contacts and pushes down the arm protrusion (8) at the tip of the lock arm (7) to lower the holder (51), and then the lever tip of the operating lever (5). When the portion (6) is positioned in a position corresponding to the lower side of the lock plate (13) and is pressed in the downward rotation direction, the barrel cover (1) is lowered to a predetermined closed position, so that the lock arm (7) is A combine waste transporting apparatus , wherein the waste chain (2) is held in a predetermined lowered state by engaging with a hook (50) .

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