WO2011010532A1

WO2011010532A1 - Waste straw conveyor in combine harvester

Info

Publication number: WO2011010532A1
Application number: PCT/JP2010/061125
Authority: WO
Inventors: 安本逸人; 上久保宏治
Original assignee: ヤンマー株式会社
Priority date: 2009-07-22
Filing date: 2010-06-30
Publication date: 2011-01-27
Also published as: JP2011041561A; CN102469768A; KR101745984B1; JP5368347B2; CN102469768B; KR20120041698A

Abstract

A waste straw conveyor is easily changed in attitude to waste straw conveying attitude and waste straw clogging eliminating attitude. Disclosed is a waste straw conveyor in a combine harvester, wherein a waste straw conveyor for conveying the waste straws subjected to threshing processing from an un-reaped side to an already-reaped side is provided in a waste straw processing unit arranged in the rear of the machine body, a clamp conveying unit for clamping and conveying the root sections of the waste straws and an engaging and conveying unit for engaging and conveying the ear tip sections of the waste straws are provided in the waste straw conveyor, both the conveying units being changeable in attitude to the waste straw conveying attitude and the waste straw clogging eliminating attitude via an attitude change operation body, wherein the attitude change operation body is operable from the rear of the machine body. The worker is capable of operating the attitude change operation body while standing in the rear of the machine body on the already-reaped side of an agricultural field. In this case, the worker is capable of quickly operating the attitude change operation body even in the middle of reaping work so as to easily eliminate the waste straw clogging since there is no need for or complexity of taking care so as not to trample un-reaped crop stems in the agricultural field.

Description

Combine waste transport device

The present invention relates to a combine waste transporting device.

Conventionally, a waste disposal unit is provided at the rear of the combine, and a waste transporting device is provided in the waste processing unit, and the waste that has been threshed by the waste transporting device is removed from the uncut side of the field. It is made to convey to the already cut side. The waste transporting device is provided with a pinch transport unit that sandwiches and transports the stock part of the waste, and a latch transport unit that latches and transports the tip of the waste. In addition, both the transporting units can freely change their postures through a posture changing operation body between a waste transporting posture and a waste clogging release posture. In addition, the posture changing operation body is disposed on the left side of the rejection processing unit on the uncut side, and by rotating the posture changing operation body upward, both transport units are discharged from the rejection transport posture. The posture change operation is performed to the clogging release posture so that the clogging generated in the discharge conveying device can be released. In addition, a threshing unit and a sorting unit are arranged in the upper and lower stages immediately before the slaughter processing unit, and the cereals after threshing are transported to the slaughter processing unit as a slaughter to perform the squeezing process.

Patent Document 1: JP 2007-236305 A

However, in the above-described combine, the posture changing operation body is disposed on the left side portion of the slaughter processing unit on the uncut side, and the posture changing operation body is operated to rotate upward. When operating the posture changing operation body, the above-mentioned posture changing operation body includes the waste processing unit upper cover body covering the top of the waste processing unit and the threshing unit upper cover body covering the top of the threshing unit. In order not to hinder the operation, there is a complication that the upper cover body and the upper part of the threshing section must be opened upward in advance. Further, when operating the posture changing operation body, there is a complexity that the operator must move to the left side of the waste disposal unit without stepping over the uncut grain culm in the field.

The combine waste transporting apparatus according to the present invention is provided with a waste transporting device that transports the threshed waste from the uncut side to the already cut side in the waste processing unit disposed at the rear of the machine body. The scissors transporting device is provided with a scissor transporting unit that transports the stocking part of the waste by holding it, and a locking transporting part that locks and transports the tip of the waste, and both transporting parts are rejected. In a combine excretion and transport apparatus in which a posture can be freely changed between a transport posture and a rejection clogging release posture via a posture change operation body, the posture change operation body can be operated from the rear of the machine body.

As described above, since the posture changing operation body can be operated from the rear side of the machine body, the operator can operate the posture changing operation body while standing behind the machine body on the already-cut side of the field. At this time, the operator does not need to be careful not to step on the uncut grain culm in the field, and there is no complication, so the posture changing operation body can be operated quickly even during the cutting operation, and it can be easily removed. Clogging can be released.

The combine squeezing and transporting device includes a squeeze transport unit and a latching transport unit that are configured to freely change a posture between a sewage transport posture and a squeeze clogging release posture through a posture change operation body. The posture can be freely changed by rotating around the moving fulcrum, and the rotation axis passing through the rotation fulcrum is made substantially parallel to the conveyance direction, and is arranged near the pinch position of the pinch transfer unit. A front end portion of a posture changing operation body that extends in the front-rear direction is attached to a middle portion of the rear surface, and the front and rear extension axes of the posture changing operation body and the rotation axis are arranged in an intersecting manner.

As described above, since the rotation axis substantially parallel to the transport direction and the longitudinal extension axis of the posture changing operation body are arranged in an intersecting manner, by operating the posture changing operation body, It is possible to change the posture by easily rotating both the stop conveyance unit around the rotation fulcrum, and the pinching state of the pinch conveyance unit can be made into a non-pinching state steadily. Therefore, the waste jammed in the pinch transport unit can be easily eliminated, and the jammed jam can be released.

The combine squeezing / conveying device, wherein a posture changing operation body extending in the front-rear direction and an engagement operation body are attached adjacent to a rear halfway portion of the pinch conveyance unit, and the engagement operation body is attached from the rear of the machine body. By moving forward and backward in the forward and backward direction, it is possible to engage and disengage freely with the engaged body suspended from the ceiling part of the waste disposal processing part, and the posture of both transport parts can be changed integrally through both operating bodies It is characterized by that.

Thus, since the engagement operating body can be advanced and retracted in the front-rear direction from the rear of the machine body, the threshing part upper cover body covering the upper part of the threshing part is an obstacle to the advancement and retraction operation of the engagement operating body. Don't be Therefore, there is no complication that the waste disposal unit upper cover body has to be opened in advance. Moreover, since the posture changing operation body can be operated from the rear side of the machine body on the already-cut side, the operator must move to the left side of the waste disposal unit without stepping over the uncut grain culm on the field. There is no complication that must be done.

The combine squeezing / conveying device, wherein a first engaging body provided in a middle part of the rear surface of the squeezing / conveying part can be engaged and disengaged from above on an engaged body suspended from a ceiling part of the squeezing processing part. The first engagement body is attached to the first engagement body so that the second engagement body can be engaged and disengaged from the rear in a freely movable manner, and the second engagement body is engaged with the engagement body. Elastically biased by elastic means on the side to make the pinch conveyance part and the latching conveyance part integrally in the evacuation conveyance posture, while the engagement operation body is retracted backward by the elastic means by the elastic means. The detachment clogging unit and the latching conveyance unit are integrally set to a removal clogging release posture by interlocking the disengagement operation of the second engagement body against the urging force from the engaged body. .

In this way, the retraction operation to the rear of the engagement operation body is linked with the detachment operation of the second engagement body from the engaged body against the elastic bias by the elastic means, and the nail conveyance unit and the engagement conveyance Since the parts are integrally set to the removal clogging release posture, the engagement operation body can be operated easily, and the discharge clogging can be quickly and easily eliminated.

The combine squeezing / conveying device, wherein the engagement operating body is attached to a middle part of the rear surface of the pinch transporting part so as to be able to advance and retreat, and an engaging body provided at a tip of the engaging operating body is used as the engaged body. The engagement operation body is engaged and disengaged from the rear, and the engagement operating body is elastically biased by elastic means toward the side where the engagement body engages with the engaged body, so that the pinch conveyance section and the latch conveyance section are integrated. The squeezing and transporting posture is established, while the retraction operation of the engagement operation body to the rear is linked with the detachment operation of the engagement body from the engaged body against the elastic biasing by the elastic means. And the locking and conveying portion are integrally set to a removal clogging release posture.

In this way, the retraction operation of the engagement operation body to the rear is interlocked with the disengagement operation of the engagement body against the elastic biasing by the elastic means from the engaged body, so that the pinch conveyance unit and the engagement conveyance unit are Since it is handled so as to be in the removal clogging release posture integrally, the engagement structure between the engaging body and the engaged body can be simplified. In addition, the engagement operating body can be operated easily, and the clogging of the waste can be eliminated quickly and easily.

In the combine excretion transport apparatus, the ceiling cover body that forms the ceiling portion of the exhaust processing section is arranged in an inclined state of front and rear and high.

Thus, since the ceiling cover body is disposed in an inclined state with front and rear and high height, the upper space of the waste disposal portion can be gradually enlarged rearward. Therefore, it is possible to expand the operation space when operating the posture changing operation body from the rear of the machine body, and it is possible to easily operate the posture changing operation body. As a result, the operability of the posture changing operation body can be improved. Further, a large rotation space for changing the postures of the pinch transport unit and the latching transport unit can be ensured, and the postures of both the transport units can be changed steadily.

According to the present invention, the operator can operate the posture changing operation body by standing behind the machine body on the already-cut side of the field. Therefore, the operator does not need to be careful not to step on the uncut grain culm in the field and is not complicated. Moreover, the posture changing operation body can be quickly operated even during the cutting operation, and the clogging can be easily released.

The left view of the combine which concerns on this embodiment. FIG. Plane explanatory drawing of a rejection process part. The back surface explanatory view of an exclusion processing part. Rotation operation explanatory drawing of a waste transport apparatus. The rear view of the transmission belt mechanism which transmits motive power to a waste conveying apparatus. Explanatory drawing of the left side of a posture change mechanism. Plane explanatory drawing of a posture change mechanism. Explanatory drawing of the left side of the attitude | position change mechanism as other embodiment. Plane explanatory drawing of the attitude | position change mechanism as other embodiment.

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a left side view of the combine 1. As shown in FIG. 1, a body frame 3 is installed between a pair of left and right

crawler running portions

2, 2. At the front end of the machine body frame 3, a cutting unit 4 that cuts the grain straw is attached. A threshing unit 5 for threshing the harvested cereal and a sorting unit 6 for sorting the threshed grain are arranged at the front left side on the machine body frame 3 so as to be positioned up and down. At the rear part of the machine frame 3 that is behind the threshing unit 5, a slaughter processing unit 7 that processes the sorghum that has been threshed is disposed. In the right front part on the machine body frame 3, the operation unit 8 and a grain storage unit 9 for storing the selected grain are arranged. In addition, a feed chain 10 is disposed on the left side of the threshing unit 5, and the feed chain 10 inherits the corn that has been cut by the cutting unit 4, and inserts the tip into the threshing unit 5. By transferring it rearward and upward, the cereal meal (removal) that has been threshed by the threshing section 5 is delivered to the rejection processing section 7.

As shown in FIG. 1, the threshing unit 5 has a handling cylinder 12 as a threshing means installed in a handling chamber 11 so as to be rotatable about an axis extending in the front-rear direction. 13 is a tooth-handling, and 14 is a receiving net. The sorting unit 6 disposed below the threshing unit 5 is provided with a rocking sorter 15 and a red pepper 16 as sorting means.

As shown in FIG. 1, the waste disposal unit 7 is disposed in the upper portion of the waste disposal chamber 17 to transport the waste, and is disposed in the lower portion of the waste disposal chamber 17. And a cutter device 19 for shredding the waste conveyed by the waste conveying device 18. The waste transporting device 18 is also illustrated in FIG. 2 which is a side view of the waste treatment chamber 17, FIG. 3 which is a plan view of the waste treatment chamber 17, and FIG. 4 which is a rear view of the waste treatment chamber 17. As shown, the starting end portion is disposed at the left front portion and the terminal end portion is disposed at the right rear upper portion. The starting end portion is arranged close to the end portion of the feed chain 10 and inherits the cereal straw conveyed by the feed chain 10 as a waste, so that the waste can be conveyed rearward and upward on the right side. . Here, the waste is conveyed to the right rear upper part of the waste disposal chamber 17 by the waste transporting device 18 via a transfer guide body (not shown) and discharged to the rear (outside the machine) of the machine. Or, it falls from the middle part of the waste transporting device 18 to the cutter device 19 disposed below, and is shredded by the cutter device 19 and then discharged (sprayed) outside the machine. . Further, in the combine 1 that rips the grain while traveling in the counterclockwise direction in the field, the left side of the machine body is the uncut side while the right side of the machine body is the already cut side in the traveling direction. Therefore, the waste is conveyed by the waste conveying device 18 from the uncut side to the already-cut side in a slightly upward inclined shape.

Hereinafter, the rejection processing unit 7 will be described in detail with reference to the drawings.

The waste treatment chamber 17 is covered with a waste cover body 23 attached to the treatment chamber support frame 92 as shown in FIGS. The waste cover body 23 is formed by left and right

side surface portions

93 and 94, a ceiling surface portion 95 and a rear surface portion 96. The processing chamber support frame 92 includes upper and lower left and right

extended pieces

101 and 102 extending in the left-right direction, and a left-side end portion of the upper and lower left and right

extended pieces

101 and 102 formed in a U shape when viewed from the left side. And a front projecting piece 104 formed by bending forward from the upper left and right extending pieces 101 in a projecting manner. Then, the waste transporting device 18 is suspended between the left front part of the front projecting piece 104 and the middle part of the upper left and right extending pieces 101.

As shown in FIG. 2 to FIG. 4, the waste transporting device 18 includes a scissor transport unit 24 that transports the stock base part of the waste, and a transporter that locks and transports the head part of the waste. A stop conveyance unit 25 is provided, and both

conveyance units

24 and 25 cooperate to convey the waste. Then, the conveying

units

24 and 25 change their postures via the posture changing operation body 45 into a waste transporting posture (a) indicated by a solid line in FIG. 5 and a waste clogging releasing posture (b) indicated by a one-dot chain line in FIG. It is free. Here, the posture changing operation body 45 can be operated from the rear of the machine body. Further, the pinch transport unit 24 and the latching transport unit 25 which are freely changeable in posture integrally through the posture changing operation body 45 between the waste transport posture (a) and the waste clogging release posture (b) The posture can be freely changed by pivoting integrally around the

pivot shafts

52 and 53 serving as the moving fulcrum. Here, the rotation axis P of the

rotation shafts

52 and 53 is substantially parallel to the conveyance direction, and is disposed in the vicinity of the pinch position of the pinch conveyance unit 24, and in the front-rear direction at the middle part of the rear surface of the pinch conveyance unit 24 A front end portion of the posture changing operation body 45 extending in the direction is attached, and the longitudinal extension axis Q of the posture changing operation body 45 and the rotation axis P are arranged in a crossing manner.

More specifically, as shown in FIG. 2, the waste transporting device 18 includes an input unit 36 that takes in power from a motor unit (not shown) disposed below the operation unit 8, and the input unit. 36 is connected to and connected to 36, and the stocker part of the waste is transported in a state where the stocker part of the waste is sandwiched. The latching and conveying unit 25 that conveys in this state and the power transmission unit 26 that transmits the rotational force of the pinching and conveying unit 24 to the latching and conveying unit 25.

2 and 3, 105 is an input case of the

input unit

36, 106 is an input shaft protruding forward from the

input case

105, and 37 is an input pulley attached to the input shaft 106. In FIG. 6, reference numeral 111 denotes a rotation support shaft that rotatably supports the handling

cylinder

12, and 112 denotes an output pulley attached to a rear end portion of the rotation support shaft 111. As shown in FIG. 6, a transmission belt 113 is wound between the output pulley 112 and the input pulley 37, and a middle portion of the transmission belt 113 is pressed by a tension arm 115 via a tension roller 114 to transmit power. A transmission belt mechanism 116 is formed by tensioning the belt 113. 117 is a boss portion, 118 is an arm support shaft that supports the base end portion of the tension arm 115 via the

boss portion

117, 119 is an operating arm that is linked to the tension arm 115 via the boss portion 117, Reference numeral 120 denotes a tensile elastic body that elastically urges the tension arm 115 in the pressing direction (direction in which the transmission belt 113 is tensioned) via the operating arm 119. The tensile elastic body 120 is interposed between a connection bracket 122 provided on the upper portion of the rear wall 121 of the handling chamber 11 and the distal end portion of the operating arm 119. Note that the front end portion of the rotation support shaft 111 is linked to the prime mover portion via a transmission mechanism (not shown).

In this way, the transmission belt mechanism 116 transmits the power from the prime mover unit to the input unit 36 with a simple structure. When the waste transporting device 18 is clogged with waste, the waste clogging is detected by a waste clogging detection sensor (not shown) to forcibly stop the operation of the prime mover. ing. For this reason, after the prime mover has stopped operating, the operation of releasing the clogging, which will be described later, can be performed easily and quickly.

As shown in FIGS. 2 to 4, the pinch transport unit 24 has a drive sprocket 33 at the left end portion of the transport unit support body 107 extending from the left front part toward the right rear upper part in the waste disposal chamber 17. On the other hand, a driven sprocket 34 is attached to the right end portion of the transport unit supporting body 107, and an endless transport chain 35 is wound between the

sprockets

33, 34. Then, a pin 38 extending in a straight shape is disposed in an opposed state at a position directly below the straight extending portion 108 that is the lower rotation side portion of the transport chain 35, and the pin 38 is held in between. The elastic body 39 is elastically biased so as to be pressed toward the straight extension part 108 by the scissors-pressing body 39, so that the straight extension part 108 and the pinch 38 sandwich the waste stock part. It is conveyed to the upper right rear.

As shown in FIG. 3, a pair of left and right

swing support arms

50 and 51 are formed to extend forward in a substantially orthogonal state on the front left side and the front right side of the transport unit support body 107. Further, a left support piece 48 is suspended from the left front part of the front overhanging piece 104, and a left rotation shaft 52 is provided at the lower end of the left support piece 48, while a middle part of the upper left and right extension piece 101 is provided. A right support piece 49 is suspended from the right support piece 49, and a right rotation shaft 53 projects from the lower end of the right support piece 49. The left pivot shaft 52 pivotally supports the tip of the left swing support arm 50, and the right pivot shaft 53 pivots the tip of the right swing support arm 51. Here, the axes of the left rotation shaft 52 and the right rotation shaft 53 are arranged on a rotation axis P substantially parallel to the waste transport direction. In this way, the pinch transport unit 24 can swing the transport unit support body 107 up and down around the rotation axis P that coincides with the axis of the left and

right rotation shafts

52 and 53. The vertical swing range includes a pinching position (downward position) where the straight extending portion 108 of the transport unit supporting body 107 faces the pinching 38, and a distance between the straight extending portion 108 and the pinching 38. It is between the separation position (up position) that opens and separates upward.

As shown in FIG. 3, the locking conveyance unit 25 has a drive sprocket 41 attached to the right end portion of the conveyance unit support body 109 extending from the left front portion toward the right rear upper portion in the waste disposal chamber 17. The driven sprocket 40 is attached to the left end portion of the transport unit supporting body 109, and an endless tine chain 43 is wound between the

sprockets

40 and 41. A large number of protruding tines 42 are attached to the tine chain 43 at intervals, and the waste is transported to the right rear upper side in a state where the tips (tips) of the waste are locked by the respective tines 42. I am doing so.

As shown in FIG. 2, the power transmission unit 26 coaxially interlocks and connects the driven sprocket 34 of the pinch transport unit 24 and the drive sprocket 41 of the locking transport unit 25 to rotate both

sprockets

34 and 41. Synchronized. Specifically, when the driven sprocket 34 rotates counterclockwise in FIG. 4, the drive sprocket 41 also rotates counterclockwise via the power transmission unit 26. Here, the power transmission unit 26 also functions as a right connecting member that integrally connects the right side portions of the pinch transport unit 24 and the latching transport unit 25 in a parallel state with a certain interval therebetween. A left side connecting member 110 for connecting the left side portions of the

transport units

24 and 25 in a parallel state with a certain interval is provided on the left side of the part 24 and the locking transport unit 25. . At this time, the locking and conveying unit 25 is disposed in front of the rotation axis P, and the evacuation / conveying device 18 is swung up and down around the rotation axis P, so that the attitude of the evacuation / conveying device 18 is increased. The posture can be changed in an integrated manner via a posture changing operation body 45, which will be described later, between the waste transport posture (a) and the waste clogging release posture (b).

Here, as shown by a solid line in FIG. 5, the waste transporting posture (a) is in a state in which the transport chain 35 and the gripper 38 of the pinch transport unit 24 are close to each other so that the waste can be pinched. It is posture. On the other hand, in the waste clogging release position (b), as shown by a one-dot chain line in FIG. 5, for example, an excessive amount of waste is supplied, and the waste is clogged between the conveying chain 35 and the pinching 38. In this case, when the conveyance failure occurs, the conveyance chain 35 is separated from the pinch 38 so that the jammed waste can be easily removed.

As shown in FIGS. 7 and 8, a posture changing operation body 45 is interlocked and connected to the waste transporting device 18 via a posture changing mechanism 60. Then, by swinging the posture changing operation body 45 downward from the rear of the machine body, the posture of the waste transporting device 18 can be easily changed from the waste transporting posture (a) to the waste clogging release posture (b). Yes.

As shown in FIGS. 7 and 8, the posture changing mechanism 60 has a release posture that urges the waste transporting device 18 in the direction of changing the posture from the waste transporting posture (a) to the waste clogging release posture (b). The urging portion 61 and a locking portion 62 that can change its posture between an engagement posture (c) and a disengagement posture (d) for locking and holding the waste transporting device 18 in the waste transporting posture (a). And. Here, when the locking portion 62 takes the disengagement posture (d), the release posture biasing portion 61 forces the waste transport device 18 from the waste transport posture (a) to the waste clogging release posture (b). The posture is changed intentionally.

Hereinafter, the posture changing mechanism 60 will be described in detail with reference to FIGS. 7 and 8. FIG. 7 is an explanatory side view of the posture changing mechanism 60, and FIG. 8 is an explanatory plan view of the posture changing mechanism 60.

As shown in FIGS. 7 and 8, the posture changing mechanism 60 is provided on the rear surface of the conveyance unit support body 107 of the pinch conveyance unit 24 at a substantially central portion in the extending direction (long direction).

Then, as shown in FIGS. 7 and 8, the release posture urging portion 61 forms a laterally extending connecting plate 63 that extends from the substantially central portion of the rear surface of the conveying portion supporting body 107 toward the left side. A tension spring 64 as an elastic urging means is interposed between a midway part of the laterally extending connecting plate 63 and a midway part of the upper left and right extension pieces 101 located immediately above it. The waste transporting device 18 is elastically biased so as to swing (rotate) upward about the rotation axis P, so that the waste transporting device 18 is released from the waste transporting posture (a). The posture is changed to the posture (b). In the figure, reference numeral 65 denotes a locking hole for locking a tension spring 64 drilled in the laterally extending connecting plate 63.

Further, as shown in FIGS. 7 and 8, the locking portion 62 engages the waste transporting device 18 in the state of the waste transporting posture (a) against the tensile elastic biasing force of the tension spring 64 described above. Stop and hold.

That is, the locking portion 62 is extended rearward from the substantially central portion of the rear surface of the conveying portion support main body 107 to form the rearward extension connecting plate 66, and the lateral extension is formed on the inner side rear portion of the rearward extension connecting plate 66. The front end surfaces of the connecting plates 63 are arranged in contact with each other in an orthogonal state. An engaging recess 67 having a lower end opening shape is formed at the front lower portion of the rear extension connecting plate 66 by notching upward from the lower end edge. The engaging recess 67 is gradually widened from the upper end to the lower end.

On the other hand, as shown in FIG. 3, a support pin 68 extending vertically from the middle part of the upper left and right extension piece 101 is suspended, and a lock pin 69 with the axis line directed to the left and right sides at the lower end portion of the support piece 68. The left end of the lock pin 69 is attached (see FIGS. 7 and 8), and the lock pin 69 protrudes substantially horizontally to the right.

In this way, the engagement recess 67 of the rearward extending connecting plate 66 is engaged with the lock pin 69 so as to be freely disengaged from above. Here, in a state where the upper edge of the engaging recess 67 is in contact with and engaged with the lock pin 69, the waste transporting device 18 takes the waste transporting posture (a). That is, the support piece 68 and the lock pin 69 function as an engaged body suspended from the ceiling, and the rear extension connecting plate 66 is engaged with the engaged body so as to be freely engageable and disengageable from above. It functions as one engaging body.

Further, the engagement operating body 70 is attached to the left side portion of the laterally extending connecting plate 63 so as to be movable forward and backward. That is, a through hole 71 that penetrates in the front-rear direction is formed on the left side of the laterally extending connecting plate 63, and a cylindrical guide piece 72 that extends in the front-rear direction is formed on the rear surface of the side extending connecting plate 63. 71 is in communication with each other. The engagement operation body 70 includes a straight rod-like operation body main piece 73 extending in the front-rear direction, a hook 74 as a second engagement body attached to the front end of the operation body main piece 73, and the operation body main piece 73. And a movable side grip piece 75 that is formed to extend from the rear end portion to the right side in a substantially right-angle bent shape. The operating body main piece 73 is slidably passed through the left side of the laterally extending connecting plate 63 through the through hole 71 and the guide piece 72 in the front-rear direction. The hook 74 has an engaging recess 76 having an end face opening forward at the front. The rear portion of the right side surface of the hook 74 is attached to the front end portion of the operating body piece 73 via the connecting boss portion 77. 78 is a spring locking piece, and 79 is a pressing spring. The pressing spring 79 is interposed between the rear end surface of the connecting boss 77 and the front left side of the laterally extending connecting plate 63 via the spring locking piece 78. It winds around the outer peripheral surface of the operating body piece 73 located, and is interposed. Reference numeral 80 denotes an advance / retreat position restricting piece formed by raising upward from the middle part of the operating body main piece 73, 81 a restricting pin extending from the upper part of the advance / retreat position restricting piece 80 toward the left side, and 82 a rearward extending connecting plate 66. A forward / backward restricting long hole formed by extending in the front / rear direction at the rear upper portion, and the left end portion of the restricting pin 81 is inserted into the forward / backward restricting long hole 82.

In this way, the engaging recess 76 of the hook 74 is engaged with the lock pin 69 so as to be freely disengaged from the rear to the front by the elastic biasing force of the pressing spring 79. Here, in a state where the front end edge of the engaging recess 76 is in contact with and engaged with the lock pin 69, the evacuation conveyance device 18 resists the tensile elastic biasing force of the tension spring 64 (the evacuation conveyance posture ( a) is held (locked). Then, the front surface of the advance / retreat position restricting piece 80 comes into contact with the rear end face of the guide piece 72 and the left end portion of the restricting pin 81 engages with the front end edge of the advance / retreat restricting long hole 82. The advance operation is regulated. Further, the backward movement of the operating body main piece 73 is restricted by engaging the left end portion of the restricting pin 81 with the rear end edge portion of the advance / retreat restricting long hole 82.

Also, as shown in FIG. 8, the lower end surface 74a of the front half of the hook 74 is an inclined surface with a front height and a low height. When changing the posture from the waste clogging release posture (b) to the waste transporting posture (a), the lower end surface 74a of the front half of the hook 74 that is urged forward is moved over the outer peripheral surface of the lock pin 69. While sliding, the hook 74 is moved backward against the elastic biasing force of the pressing spring 79, and when the engaging recess 76 matches the lock pin 69, the hook 74 is moved forward by the elastic biasing force of the pressing spring 79. The engaging recess 76 is engaged with the lock pin 69. That is, the hook 74 is in the engagement posture (c).

Further, as shown in FIGS. 7 and 8, a posture changing operation body 45 is attached to the rear portion of the rearward extending connecting plate 66 so as to be adjacent to the engagement operation body 70. That is, the posture changing operation body 45 is integrally formed by extending the operation book piece 83 formed in a straight rod shape in the front-rear direction and the right-hand side bent from the rear end portion of the operation book piece 83 to the right side. The fixed-side grip piece 84 is formed. Here, it arrange | positions so that the front-back extension axis Q of the operation main piece 83 and the above-mentioned rotation axis P may cross | intersect (refer FIG. 3). The operation piece 83 is fixed to the rear extension connecting plate 66 in the left-right parallel state in the vicinity of the left side of the operation piece 73 of the engagement operation body 70, and the fixed-side grip piece 84 is movable of the engagement operation body 70. In the vicinity of the rear of the side grip piece 75, it is arranged in a front-rear parallel state.

In this way, the posture changing operation body 45 holds the fixed gripping piece 84 and moves up and down to move the waste transporting device 18 into the waste transporting posture (a) and the waste clogging releasing posture (b). You can change it. Here, when changing the posture of the waste transporting device 18 from the waste transporting posture (a) to the waste clogging release posture (b), the fixed side grip piece 84 and the movable side grip piece 75 are gripped simultaneously, By engaging the movable gripping piece 75 backward and slid toward the fixed gripping piece 84, the engaging recess 76 of the hook 74 can be disengaged from the lock pin 69. When the posture changing operation body 45 is turned upward in the disengaged state, the waste transporting device 18 that is tension elastically biased by the tension spring 64 can be easily lifted and turned. The conveying device 18 can be smoothly put into the waste clogging release posture (b).

As described above, the waste transporting device 18 operates the posture changing operation body 45 from the rear of the machine body via the posture changing mechanism 60, so that the waste transporting posture (a) and the waste clogging releasing posture (b) are obtained. The posture can be changed. The posture changing operation procedure will be described below.

[Operation procedure from the waste transporting posture (a) to the waste clogging releasing posture (b)]
First, the posture of the hook 74 is changed from the engagement posture (c) to the disengagement posture (d) by simultaneously holding the fixed-side grip piece 84 and the movable-side grip piece 75 of the posture change operation body 45. That is, the engagement recess 76 of the hook 74 is released from the lock pin 69. Then, since the waste transporting device 18 is elastically biased upward by the tension spring 64, the waste transporting device 18 can be rotated only by holding the fixed gripping piece 84 and the movable gripping piece 75 while holding it. By swinging (turning) around the movement axis P, the posture is changed from the waste transporting posture (a) to the waste clogging releasing posture (b). Therefore, the waste jammed in the waste transporting device 18 can be easily taken out.

[Operation procedure from the waste clogging release posture (b) to the waste transporting posture (a)]
By operating the fixed-side grip piece 84 of the posture changing operation body 45 against the upward tension elastic force of the tension spring 64, the engagement recess 67 of the rearward extension connecting plate 66 is moved from above to the lock pin 69. Engage. At this time, the lower end surface 74a of the front half of the hook 74 that is elastically biased to the front slides on the outer peripheral surface of the lock pin 69, and the hook 74 slides backward against the pressure elastic biasing force of the pressure spring 79. When the engaging recess 76 formed in the front portion of the hook 74 is aligned with the lock pin 69, the hook 74 is slid forward by the pressing elastic biasing force of the pressing spring 79, and the engaging recess 76 is moved. Is engaged with the lock pin 69. That is, the hook 74 is in the engagement posture (c). As a result, the evacuation / conveyance device 18 is changed from the evacuation / clogging release posture (b) to the evacuation / conveyance posture (a) and held in the evacuation / conveyance posture (a).

Here, as shown in FIG. 2, the ceiling surface portion 95 of the waste cover body 23 is in an inclined state with a front, a rear, and a rear height, and the ceiling height in the waste treatment chamber 17 increases toward the rear of the machine body. It is formed to be higher. Thereby, the upper space in the waste disposal chamber 17 can be formed by gradually expanding backward. Therefore, when the posture changing operation body 45 that changes the posture of the pinch conveyance unit 24 and the locking conveyance unit 25 integrally is operated from the rear of the machine body, it is possible to ensure a large space for rotating the posture changing operation body 45. it can. As a result, it is possible to improve the operability of the posture changing operation body 45 and to change the postures of both the

transport units

24 and 25 steadily and easily.

9 and 10 show a posture changing mechanism 60 as another embodiment. The posture changing mechanism 60 has a basic structure similar to that of the posture changing mechanism 60 except that the posture changing mechanism 60 has a simple structure in which the engaging body is detachably engaged with the engaged body. In this embodiment, the tension spring 64 is interposed between the upper left and right extension pieces 101 and the right swing support arm 51.

That is, the locking portion 62 is extended rearward from the substantially central portion of the rear surface of the conveying portion support main body 107 to form the rearward extension connecting plate 66, and is extended in the left-right direction at the rear end portion of the rearward extension connecting plate 66. The front surface of the distal end portion of the laterally extending connecting plate 63 is arranged in contact with each other in an orthogonal state.

An engaged portion 130 is provided in the middle of the upper left and right extending pieces 101. The locked portion 130 includes a plate-like support piece 68 extending in the vertical direction from the middle portion of the upper left and right extending piece 101, with the side face directed to the left and right sides, and the plate-like vertical adjustment piece 131 on the support piece 68. Are attached so that the vertical position can be adjusted. The vertical adjustment piece 131 is connected to the left end surface of the bent plate-like engaged body 132. The locked body 132 includes a guide piece 134 having a front and rear inclined surface 133, an engaged piece 136 having an engagement hole 135 that opens in the front-rear direction, and a rear side from the lower end of the engaged piece 136. And a receiving piece 137 extending to the bottom.

The engaging operation body 70 includes a straight rod-like operation body piece 73 extending in the front-rear direction, an engagement protrusion 140 as an engagement body formed at the front end portion of the operation body piece 73, and the operation body piece 73. And a movable side grip piece 75 formed so as to extend in a substantially right-angle bent shape from the rear end portion to the right side.

The engagement protrusion 140 forms a substantially hemispherical convex sliding contact surface 141 at the front end (tip), and the sliding contact surface 141 moves up and down along the inclined surface 133 of the locked body 132. The operating body main piece 73 moves forward and backward in the front-rear direction. The engagement protrusion 140 is inserted into the engagement hole 135 of the engagement piece 136 so as to be freely inserted and removed (advanced and retractable). Here, the state where the engagement protrusions 140 are inserted into the engagement holes 135 is the engagement state (engagement posture (c)), and the state where the engagement protrusions 140 are removed from the engagement holes 135 is the disengagement state. (Disengagement posture (d)). Then, the operating body main piece 73 is moved backward by moving the sliding contact surface 141 downward and sliding along the inclined surface 133 of the locked body 132, and the sliding surface 141 is moved to the engagement hole 135. At the point of coincidence, the operating body piece 73 is moved forward by a pressing force of a pressing spring 79 described later so that the engaging protrusion 140 is engaged with the engaging hole 135.

A cylindrical guide piece 72 having an axial line in the front-rear direction is fixed to the left side portion of the laterally extending connecting plate 63 so as to penetrate in the transverse direction, and the front end portion of the operating body piece 73 is placed in the guide piece 72 in the front-rear direction. Is slidably passed through. A pressure spring 79 is wound around the front outer peripheral surface of the operation body piece 73, and the front end of the pressure spring 79 is brought into contact with a hook-like spring locking piece 78 provided continuously with the front surface of the operation body main piece 73. I am letting.

A posture changing operation body 45 is attached to the side extension connecting plate 63 so as to be adjacent to the engagement operation body 70. That is, the posture changing operation body 45 is integrally formed by extending a cylindrical operation piece 83 formed by extending in the front-rear direction and a right-angled bent shape from the rear end portion of the operation book piece 83 to the right side. The fixed-side grip piece 84 is formed. Then, a connecting piece 150 is formed on the right half of the outer peripheral surface of the front end portion of the operation book piece 83 by extending it to the right side, and the connecting piece 150 is put on the laterally extending connecting plate 63 in a front-rear overlapping state by a connecting bolt 151. It is connected. Here, the posture changing operation body 45 is arranged so that the front / rear extension axis Q of the operation book 83 and the aforementioned rotation axis P intersect (see FIG. 3).

In the operation book piece 83, an operation body book piece 73 is arranged concentrically and slidably movable back and forth. A spring receiving portion 152 is formed in the middle portion of the operation book piece 83. The front part of the operation book piece 83 positioned in front of the spring receiving part 152 opens the left half, while the rear part of the operation book piece 83 located in the rear side of the spring receiving part 152 opens the right half. . A pressing spring 79 is disposed at the front portion of the operation book piece 83, and the rear end of the pressing spring 79 is brought into contact with the spring receiving portion 152. The movable side grip piece 75 of the engagement operating body 70 is protruded rightward from the rear portion of the operation book piece 83 whose right half is open. The fixed-side grip piece 84 is disposed in the front-rear parallel state in the vicinity of the rear side of the movable-side grip piece 75 of the engagement operating body 70. Reference numeral 153 denotes a reinforcing rib.

In this way, the posture changing operation body 45 holds the fixed gripping piece 84 and moves up and down to move the waste transporting device 18 into the waste transporting posture (a) and the waste clogging releasing posture (b). You can change it. Here, when changing the posture of the waste transporting device 18 from the waste transporting posture (a) to the waste clogging release posture (b), the fixed side grip piece 84 and the movable side grip piece 75 are gripped simultaneously, By sliding the movable gripping piece 75 back to the fixed gripping piece 84 side, the engaging protruding piece 140 is removed from the engaging hole 135 against the urging force of the pressing spring 79, thereby engaging the engaging protruding piece 140. Can be released. When the posture changing operation body 45 is turned upward in the disengaged state, the waste transporting device 18 that is tension elastically biased by the tension spring 64 can be easily lifted and turned. The conveying device 18 can be smoothly put into the waste clogging release posture (b).

[Operation procedure from the waste transporting posture (a) to the waste clogging releasing posture (b)]
First, by simultaneously grasping the fixed gripping piece 84 and the movable gripping piece 75 of the posture changing operation body 45, the posture of the engaging protrusion 140 is changed from the engaging posture (c) to the disengaging posture (d). The That is, the engagement protrusion 140 is extracted from the engagement hole 135 and the engagement is released. Then, since the waste transporting device 18 is elastically biased upward by the tension spring 64, the waste transporting device 18 can be rotated only by holding the fixed gripping piece 84 and the movable gripping piece 75 while holding it. By swinging (turning) around the movement axis P, the posture is changed from the waste transporting posture (a) to the waste clogging releasing posture (b). Therefore, the waste jammed in the waste transporting device 18 can be easily taken out.

[Operation procedure from the waste clogging release posture (b) to the waste transporting posture (a)]
The fixed side gripping piece 84 of the posture changing operation body 45 is lowered against the upward tension elastic bias of the tension spring 64, and the lower end of the laterally extending connecting plate 63 is attached to the receiving piece 137 of the locked body 132. , The engagement protrusion 140 can be engaged with the engagement hole 135. At this time, the slidable contact surface 141 formed at the front end portion of the engaging protrusion 140 is moved down and slid along the inclined surface 133 of the locked body 132, and the operating body main piece 73 is biased by the pressing spring 79. When the sliding surface 141 is aligned with the engagement hole 135, the operating body piece 73 is moved forward by the pressing force of the pressing spring 79, and the engagement hole 135 is moved forward. The engaging protrusion 140 is inserted into and engaged. That is, the engagement protrusion 140 is in the engagement posture (c). As a result, the evacuation / conveyance device 18 is changed from the evacuation / clogging release posture (b) to the evacuation / conveyance posture (a) and held in the evacuation / conveyance posture (a).

DESCRIPTION OF SYMBOLS 1 Combine 7 Exclusion processing part 17 Exclusion processing chamber 18 Exclusion conveyance apparatus 24 Cinch conveyance part 25 Locking conveyance part 45 Posture change operation body 48 Left support piece 49 Right support piece 50 Oscillation support arm 51 Oscillation support arm 52 Rotating shaft 53 Rotating shaft 60 Posture changing mechanism 61 Release posture urging portion 62 Locking portion 63 Side extension connecting plate 64 Tension spring 66 Rear extension connecting plate 69 Lock pin 74 Hook P Rotating axis Q Front and rear extension axis

Claims

The slaughter processing unit disposed at the rear of the machine body is provided with a scouring transport device that transports the scoured scouring waste from the uncut side to the already cut side. A pinch transport unit for pinching and transporting and a lock transport unit for locking and transporting the tip of the waste are provided, and both transport units are changed to a waste transport posture and a waste clogging release posture. In the combine excretion transport device, the posture of which can be freely changed via the operating body.
A combine squeezing and conveying apparatus characterized in that the posture changing operation body can be operated from the rear of the machine body.
The pinch conveyance unit and the latching conveyance unit, which can be freely changed in posture through the posture changing operation body to the rejection conveyance posture and the rejection clogging release posture, rotate around the rotation fulcrum to change the posture. Free
The rotation axis passing through the rotation fulcrum is substantially parallel to the conveyance direction, and is disposed in the vicinity of the pinch position of the pinch transfer unit, and extends in the front-rear direction to the middle part of the rear surface of the pinch transfer unit. 2. The combine squeezing / conveying device according to claim 1, wherein a front end portion is attached and the longitudinal extension axis of the same posture changing operation body and the rotation axis are arranged in an intersecting manner.
A posture change operation body extending in the front-rear direction and an engagement operation body are attached adjacent to the rear halfway portion of the pinch transport unit, and the engagement operation body is moved forward and backward in the front-rear direction from the rear of the machine body to eliminate the waste. 2. The posture of both transport parts can be integrally changed via both operating bodies so as to be engageable and disengageable to an engaged body that is suspended from the ceiling part of the part. The combine excretion conveying apparatus of 2.
The engaged body suspended from the ceiling portion of the evacuation processing section is engaged with the first engagement body provided in the middle part of the rear surface of the pinch transport section so as to be freely engageable and disengageable from above. A second engagement body that engages and disengages from the rear is detachably attached to the engaged body, and the second engagement body is elastically biased by elastic means toward the side that engages the engaged body. , While the pinch transport unit and the locking transport unit are integrated into the rejection transport posture,
The pinch conveyance unit and the latch conveyance unit are integrated with the backward operation of the engagement operation unit in conjunction with the disengagement operation of the second engagement unit against the elastic member by the elastic means. 4. The combine discharging / conveying apparatus according to claim 3, wherein the discharging / clogging release posture is established.
The engagement operation body is attached to the rear halfway part of the pinch conveyance section so as to be able to advance and retreat, and the engagement body provided at the distal end of the engagement operation body is engaged with the engaged body so as to be engageable and disengageable from the rear. At the same time, the engaging operation body is elastically biased by the elastic means toward the side where the engaging body engages the engaged body, so that the pinch conveying portion and the locking conveying portion are integrally in the evacuation conveying posture,
The squeezing conveyance unit and the latching conveyance unit are integrally discharged by interlocking the retraction operation of the engagement operation unit to the rear with the operation of detaching the engagement unit from the engaged unit against the elastic bias by the elastic means. 4. The combine discharging / conveying apparatus according to claim 3, wherein a clogging release posture is adopted.
The combine excretion transport apparatus according to any one of claims 1 to 5, characterized in that the ceiling cover body forming the ceiling portion of the excretion processing section is disposed in an inclined state of front and rear and height.