JP3971251B2 - Combine waste transport device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a combine waste transporting device that allows the waste after granulation to be inherited from the feed chain to the waste chain and moves up and down the starting end side of the transport body that is discharged to the rear of the machine body.
[0002]
[Prior art]
Conventionally, in the inheritance of a waste chain that is connected to the feed chain and obliquely transports, the transport direction is refracted, so clogging and punching are likely to occur, and the floor of the waste chamber is used for maintenance. The well-known technology converted into an extended state for removing and maintaining clogged soot by rotating the transporting body together with the waste cover and holding the waste to the rejected guide rod that has been bounced. It is described in 58-143540 gazette, and it is set as the structure which receives directly the reaction force which pinches a grain candy with a cover. In addition, it supports the waste transporting device with a frame extending rearward from the threshing frame, connects the rear end with the head frame to form a rotation fulcrum, and the transported state where the waste chain is moved down and in the expanded state Japanese Patent Application Laid-Open No. 10-98936 discloses that the above-mentioned position is fixed by providing a lock pin at the top and bottom. Further, in JP-A-11-09076, a switching holding portion for switching the presence / absence of waste transport is provided in the vicinity of the start end portion that takes over the waste of the waste transport device, and a switching lever for performing this switching is used as a handling cylinder. A configuration of a threshing / dispensing device is described in which the arrangement is orthogonal to the front end and the front end face is directed to the feed chain .
[0003]
[Problems to be solved by the invention]
In the conventional technology for moving the waste chain up and down, the transport body is interlocked with the opposite side of the joint as the pivot point of the cover, which requires labor for opening and closing and the waste guide rod at the center of the waste chain. Is difficult to install, and the guide rod is pressed against the inner surface of the chain plate due to misalignment, and wear progresses or protrudes during conveyance, causing clogging of the waste.
[0004]
In order to solve such a problem, a lifting device that moves up and down the starting end side of the exhaust chain is provided, the positional deviation is regulated to accurately guide the up-and-down movement of the transport body, and the handle portion on the outside of the machine body The purpose of the present invention is to provide an evacuation transfer device that can be easily maintained and inspected with a structure that simplifies the expansion of the transfer body via a cam mechanism.
[0005]
[Means for Solving the Problems]
A lifting device that hangs up and down the starting end side of the waste chain from the rear frame to reduce the labor of turning the handle and to correctly guide the waste chain that engages the pinch guide It is a transfer device.
[0006]
In the combine squeezing and transporting apparatus configured to be able to move the transport body up and down, an operating lever and a handle are mounted on the base suspended from the rear frame and extended from the cam body toward the side of the machine body. The cam body is connected to the start end side of the exhaust chain via a lifting shaft, and the cam body is rotated by the rotation operation of the handle section, and the conveying body is moved up and down. The upper device is a simplified cam mechanism.
[0007]
In the locked state where the operating lever with the cam body fixed is inserted into the lifting shaft so that it can rotate freely, the operating lever is rotated by the rotating operation of the handle, and the latch fixed to the operating lever is locked to the hook. The handle is covered with the handle portion to ensure the operation of the lock mechanism.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
【Example】
The waste transporting apparatus for vertically moving the waste chain according to the present invention will be described in the rear side view of the threshing portion mounted on the combine of FIG. 6 and the embodiment diagram of the plan view shown in FIG. A handling cylinder 17 in which teeth 16 are planted is rotatably mounted, and the grain removal process is performed while conveying the harvested cereal with the feed chain 20 arranged in parallel. The conveyor A is formed by the conveyor chain 3 and the conveyor belt 21 provided on the tip side, and is configured as a waste conveyor apparatus that supplies the cutter chain 22 mounted on the rear side of the joint machine body from the feed chain 20 on the start end side. . The structure of such a transfer apparatus is such that a rear frame 25 is connected to the rear wall 23 of the handling chamber 18 and arranged in an inverted U shape above the evacuation chamber 26, and a portal frame 27 standing at the end is provided. The evacuation chamber 26 is formed by a screwed frame structure.
[0009]
FIG. 5 is a plan view showing the rear fulcrum of the carrier, and the support structure in which the rear of the carrier A is suspended from the portal frame 27 will be described. The belt around which the conveyor belt 21 and the waste chain 3 are wound respectively. The case 28 and the rear side of the chain base 30 are connected in parallel by a support shaft 31 and supported by a metal 32 suspended from the portal frame 27 so as to be rotatable, thereby forming a rear support point PP. It is. On the other hand, the attachment on the starting end side where the conveying body A is expanded between the conveying state and the expanded state is also mounted so that it can be moved up and down by a lifting shaft 6 that rotates like the rear fulcrum PP, and the cam body 7 is connected. The lifting device C is configured to move up and down on the start end side, and is configured as a sewage transfer device in which the transfer body A is suspended before and after the fixed rear frame 25 and the start end side is movable.
[0010]
The outline of the sorting unit formed below the waste transporting apparatus will be described with reference to the side view of FIG. 6. The swinging sorter 72 provided with the chaff sheave 71 is caused to swing by the rotation of the drive cam 74. The shattered material is transported backwards while being screened, dust is separated by the sorting air blown up in the direction of arrow D, sucked by the fan 73 provided at the rear end of the machine, and discharged from the discharge port 75 to the outside. It is configured to do. Reference numeral 76 denotes a spring receiver for holding the pinching guide 57 in the front-rear direction.
[0011]
The drive structure of the transport body will be described with reference to a plan view showing the rear of the threshing portion in FIG. 7 and a plan view of the transport body moving up and down in FIG. Output from the pulley 33 and input to the driven pulley 36 provided in the bevel case 35 connected to the lifting device C to give the rotation of the working side of the waste chain 3 moving backward, and the pinch guide 57 and the ear The part guides 67 are arranged side by side and transported obliquely while sandwiching the head part side of the waste and the base side. Also, the sprocket 37 meshed with the non-operating side exhaust chain 3 is re-inputted to the starting end side of the opposing transport belt 21 through the connecting case 38 and rotates in the same direction as the exhaust chain 3. This is a waste transporting device in which A is formed.
[0012]
The structure of the lifting device will be described with reference to the side view of the vertically moving carrier shown in FIG. 2 and the plan view shown in FIG. 1. The connecting base 13 is screwed onto the upper surface of the bevel case 35 provided with the driven pulley 36. Then, a support frame 41 which is bent inwardly and has an inverted T-shaped lifting shaft 6 having a rotation base 40 sandwiching the width is welded and integrated with the bent surface, and is perpendicular to the waste chain 3. The rotation base 40 is disposed in the direction, the holding width is widened at the ends of both shafts, and the insertion length of the sliding boss 45 on which the lifting shaft 6 is raised and lowered is extended, and the position generated at the time of raising and lowering The phenomenon of deviation and lateral vibration is prevented by the guide length, and the reject chain 3 is moved downward to a fixed position with respect to the pinch guide 57.
[0013]
In this way, the upper structure in which the lifting shaft 6 moves up and down is provided with a double-row arm 43 suspended from the fixed rear frame 25 to sandwich the sliding boss 45, and the lifting shaft 6 is fitted in the center thereof. A shaft hole 46 is perforated. To avoid this, the base 8 is fixed to the upper surface of the arm 43 and integrated with the rear frame 25, and a bent surface 47 facing the latch 10 provided on the operating lever 1 is formed. The operating lever 1 is arranged so that the outer peripheral surface of the cam body 7 is in contact with the upper surface, and the latch 10 is engaged in the conveying state. A lock mechanism for fixing the lifting device C is used. Further, since the sliding boss 45 is slightly rotated by raising and lowering the lifting shaft 6, a clearance is provided between the base 8 and the sliding boss 45 to prevent interference due to the rotation. The configuration is as follows.
[0014]
FIG. 3 is a side view of the main part of the operating lever and the lifting device. The structure for moving up and down using the exploded view of FIG. 4 will be described. It is superimposed on the upper surface of the sliding boss 45 sandwiched between the arms 43. The holder 48 is fitted on the lifting shaft 6, the fixing bolt 50 is provided at the shaft end, the holder 48 and the lifting shaft 6 are connected, and the insertion hole 51 intersects the shaft hole 46. The operating lever 1 with the cam body 7 and the latch 10 fixed to the eccentric body X is inserted and inserted in a direction perpendicular to the handle cylinder 17, and a retaining ring is used at the end of the shaft. And a lifting device C in which the outer peripheral surface of the cam body 7 is in contact with a fixed position of the base 8 and the operating lever 1 is moved upward away from the base 8 as the handle portion 2 is rotated. is there. Such a cam mechanism can reduce the lifting and lowering labor compared with manual operation, and has a simplified structure that does not use a rod or the like. Further, as shown in the drawing, the handle portion 2 is also provided with a lock mechanism for holding the conveying state in which the latch 10 is engaged with the hook 12 at the position where the handle portion 2 is tilted toward the chamber cover 11 side.
[0015]
The lifting / lowering procedure of the carrier A will be described. First, the handling chamber cover 11 pressing the tip of the handle portion 2 is opened, and the semicircular turning locus 5 is moved from the locked position where the handle portion 2 is tilted forward. When the rotation is started, the latch 10 is released from the hook 12, the lock is released, the eccentric position X of the cam body 7 is changed to a vertically upward movement, and the holder 48 is separated from the base 8 together with the operation lever 1 as shown in FIG. The waste chain 3 is pulled up to the expanded state of the chain line position shown in FIG. In such an upward movement, the integrated lifting shaft 6 moves the conveying body A up about the rear fulcrum PP by the movement distance H, and the starting end side of the waste chain 3 is lifted from the pinching guide 57. In the expanded state, the squeezing force has expired, and the pickled cereals can be easily removed. Reference numeral 60 denotes a stopper surface that is brought into contact with the upper surface of the base 8 after the cam body 7 is rotated halfway, and has a cam shape that maintains the raised position of the operating lever 1.
[0016]
FIG. 8 is a side view of the main part of the lifting device and the handling chamber cover. The locking device for the handle portion 2 will be described with reference to the sectional view of FIG. the was extended Yes in the cover of the divided structure that consecutively the straw discharge cover 68 having the same shape, in the conveying state of being inclined forward so as to illustrate the handle portion 2, the distal end of the handle portion 2 is threshing chamber cover 11, a contact plate 61 in contact with this is provided on the back side of the chamber cover 11, and an elastic pad material 62 is bonded to the contact surface to press the tip of the handle portion 2. This is a locking mechanism. The handling chamber cover 11 that opens and closes in this way has an opening and closing structure that is attached by a cover receiver 63 provided on the right side of the machine body, is opened integrally with the presser foot 70 in the direction of arrow C, and the left side is fixed by a knob bolt 65. It is what.
[0017]
Since the clogged cereal produced on the starting end side of the waste chain 3 spreads over the rear of the handling chamber 18, when operating the lifting device C, the handle portion 11 is opened and the handle portion is opened. 2 is rotated in the direction of a semicircular turning locus 5 to move the transport body A to the expanded state, and after removing the clogged cereals from the open space, the handle portion 2 is reversely rotated to return to the transport state. Although the turning operation is performed, if the hook 10 is not completely fitted to the hook 12, it is easily detached during the operation, and the lifting device C is pushed up by the pinch, the pinching force is attenuated and transported. It will cause obstacles. In order to prevent such an operation error, the handle portion 2 stopped in the middle of lowering is brought into contact with the abutting plate 61 by the operation toward the closing side of the chamber cover 11 and is pushed down, and the incomplete lock is automatically performed. It is a lock mechanism that prevents it automatically.
[0018]
【The invention's effect】
A lifting device that moves the transport body up and down on the starting end side of the waste chain is provided to simplify the structure of the lifting device that switches between the transported state and the expanded state, and to facilitate the turning operation of the handle. Since the device is used, the following effects are exhibited.
[0019]
In the combine squeezing and transporting apparatus configured to be able to move the transport body up and down, an operating lever and a handle are mounted on the base suspended from the rear frame and extended from the cam body toward the side of the machine body. The cam body is connected to the start end side of the exhaust chain via a lifting shaft, and the cam body is rotated by the rotation operation of the handle section, and the conveying body is moved up and down. Since the upper device is used , the transfer state and the expanded state can be smoothly switched , and the labor of the rotation operation is reduced, and a link device such as a lot is omitted, resulting in a simplified cam mechanism.
[0020]
In the locked state where the operating lever with the cam body fixed is inserted into the lifting shaft so that it can rotate freely, the operating lever is rotated by rotating the handle, and the latch fixed to the operating lever is locked to the hook. Since the lock device is configured such that the handle cover comes into contact with the handle portion, the pressing force at the tip of the handle portion via the cam mechanism becomes a light load, and the locked state can be held more firmly.
[Brief description of the drawings]
FIG. 1 is a plan view showing a structure in which a transport body moves up and down.
FIG. 2 is a side view showing a structure in which a transport body moves up and down.
FIG. 3 is a side view of an essential part of the lifting device.
FIG. 4 is an exploded view of the lifting device.
FIG. 5 is a plan view showing a rear fulcrum of the carrier.
FIG. 6 is a side view of the rear of the threshing portion mounted on the combine.
FIG. 7 is a plan view of the rear of the threshing portion mounted on the combine.
FIG. 8 is a side view of an essential part of the lifting device and the handling chamber cover.
FIG. 9 is a front view of main parts of the lifting device and the handling chamber cover.
[Explanation of symbols]
A ・ ・ Conveyance body C ・ ・ Elevating device PP ・ ・ Back fulcrum X ・ ・ Eccentric position H ・ ・ Movement distance of eccentric position 1 ・ ・ Operating lever 2 ・ ・ Handle part 3 ・ ・ Exhaust chain 5 ・ ・Semi-circular rotation trajectory 6 .. Lifting shaft 7 .. Cam body 8.. Base 10 .. Hatch 11 .. Handling chamber cover 12 .. Hook 13 .. Connecting base 18. 23..Back wall 25..Rear frame 30..Belt case 31..Support shaft 32..Metal 35..Bevel case 38..Connection case 40..Rotating base 41..Support frame 43..Arm 45 ·· Sliding boss 46 · · Shaft hole 47 · · Bending surface 48 · · Holder 50 · · Fixing bolt 51 · · Insertion hole 57 · · Pin guide 60 · · Stopper surface 61 · · Contact plate 62 · · Pad material 63 ... Cover cover 65 ... Knob bolt 67 ... Hobe guy 68 ...
Arrow (I)-Upward direction of lifting shaft
Arrow (b) ・ ・ Assembly direction with sliding boss
Arrow (C) ・ ・ Opening and closing direction of the compartment cover

Claims (2)

A handling chamber cover and a drainage cover are individually provided on the upper surface of the threshing unit, and a conveying body that obliquely conveys from the terminal end of the feed chain arranged in parallel to the handling cylinder to the rear of the machine body is connected, and the conveying body can be moved up and down In the combined waste transporting apparatus, the cam body (7) is placed on the base (8) suspended from the rear frame (25), and extends from the cam body (7) toward the side of the machine body. The actuating lever (1) and the handle portion (2) are integrally provided, and the cam body (7) and the start end side of the evacuation chain (3) are connected via the lifting shaft (6), and the handle A combine squeezing / conveying device comprising a lifting device (C) for moving the cam body (7) up and down by rotating the cam body (7) by rotating the part (2). The operating lever (1) to which the cam body (7) is fixed is inserted into the lifting shaft (6) so as to be rotatable, and the operating lever (1) is rotated by rotating the handle portion (2). The handle cover (11) is in contact with the handle portion (2) while the latch (10) fixed to the operating lever (1) is locked to the hook (12). A combine transporting apparatus according to claim 1 .

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