JP2003164210A - Agricultural work machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an agricultural work machine capable of preventing damage of crops. <P>SOLUTION: This agricultural work machine 1 is equipped with a raking unit 11 and a lift conveyor 21, wherein the raking unit 11 rakes up the crops A in a farm field H and drives away the crops backward, and the lift conveyor 21 receives the crops A from the raking unit 11 and carries the crops A. The raking unit 11 is equipped with a rotor which rotates on a transversely-extended rotational axis Y1 in a specified direction, wherein the rotor has raking blades 15 of which the each has a guide-contact part 14 and is freely rotated. The raking unit 11 is further equipped with a position-setting guide which contacts with the guide-contact parts 14 so as to set positions of the raking blades 15. Each of the raking blades 15 turns around the rotor, while rotating together with the rotor in the specified direction, so that the raking blade 15 takes a lying position on the top side and a standing position on the bottom side. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an agricultural work machine capable of preventing damage to agricultural products.

[0002]

2. Description of the Related Art A conventional agricultural working machine is equipped with, for example, a scraping means for scraping agricultural crops in a field and discharging the agricultural crops to the rear, and the agricultural crops from the scraping means are received and lifted behind the scraping means. A transport means for transporting is arranged. Also,
The scraping means includes a rotary shaft that is driven and rotated in a predetermined direction around a rotation center axis line in the left-right direction, and a plurality of scraping blades are radially and fixedly provided on the rotary shaft.

[0003]

However, in the above-mentioned conventional agricultural working machine, when the agricultural product is received by the conveying means, for example, an excessive force is exerted on the agricultural product by the scraping blades of the scraping means, which may damage the agricultural product. There is.

The present invention has been made in view of the above points, and an object thereof is to provide an agricultural working machine capable of preventing damage to agricultural products.

[0005]

According to another aspect of the present invention, there is provided an agricultural working machine comprising: a scraping unit that scrapes agricultural crops in a field and discharges them rearward; and a conveying unit that receives and conveys the agricultural crops from the scraping means. The scraping means is equipped with a scraping blade that rotates in a predetermined direction and is in a lying posture on the upper side and a standing posture on the lower side.

[0006] Further, as compared with the conventional structure, the structure is provided with the scraping means provided with the scraping blades that rotate in a predetermined direction and lie down on the upper side and stand up on the lower side. It is possible to prevent damage to the crops when the crops are received by means.

An agricultural working machine according to a second aspect of the present invention comprises a scraping means for scraping agricultural crops in a field and discharging the agricultural crops rearward, and a conveying means for receiving and conveying the agricultural crops from the scraping means. The means includes a rotating body that rotates in a predetermined direction, a rotatably provided rotator on the rotating body, and a scraping blade having a guide contact portion, and a posture of the scraping blade in contact with the guide contact portion. An attitude setting guide is provided, and the raking blade rotates in a predetermined direction together with the rotating body,
Based on the attitude setting action of the attitude setting guide, the attitude setting guide is rotated with respect to the rotating body so that the upper side is in a lying position and the lower side is in a standing position.

Then, while rotating in a predetermined direction together with the rotating body, it rotates with respect to the rotating body on the basis of the posture setting action of the posture setting guide so that the upper side is in a lying posture and the lower side is in a standing posture. Since the configuration is provided with the scraping means including the blades, it is possible to prevent damage to the agricultural products when the transportation means receives the agricultural products, as compared with the conventional configuration.

According to a third aspect of the present invention, there is provided the agricultural work machine according to the first or second aspect, in which the raking blade has a blade main body formed of an elastic plate that is elastically deformable.

Further, the scraping blade can appropriately scrape agricultural crops in the field and discharge the agricultural crops in the field by means of the blade main body composed of the elastically deformable elastic plate.

According to a fourth aspect of the present invention, there is provided the agricultural work machine according to any one of the first to third aspects, wherein a mission case holding an input shaft for inputting power from a traveling vehicle is provided above the raking means. It is arranged close to this scraping means.

The rotation center axis of the scraping blade can be located at a position closer to the mission case than the central position between the farm field and the mission case, and it is possible to cope with a relatively large agricultural product.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION A configuration of an embodiment of an agricultural working machine of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 is an agricultural work machine, and this agricultural work machine 1 is, for example, a harvesting machine such as a tow type onion picker detachably attached to a tractor T which is a towing vehicle as a traveling vehicle. The agricultural work machine 1 harvests the agricultural product A from the field H, that is, picks up the agricultural product A from the field H, while moving forward (moving direction X) on the field H by traveling (traction operation) of the tractor T. It is accommodated in the container W continuously.

The crop A to be harvested is, for example, root vegetables such as onions, which are land-dried on the ridges of the field H. Further, the container W is a box-shaped mini-container or the like having a substantially rectangular parallelepiped outer shape and an open top.

As shown in FIG. 1, the agricultural working machine 1 includes a machine body 2 connected to a tractor T, and the machine body 2 has a machine frame 3 having a substantially longitudinal shape in the vertical direction.

At the lower front end portion of the machine casing 3, there is provided a three-point connecting means 5 which is a traveling vehicle connecting means. The three-point connecting means 5 is connected to a rotatable three-point link mechanism (three-point hitch) T1 which is a support device for raising and lowering the work machine of the tractor T. The three-point connecting means 5 is composed of a top mast 7 having a top pin 6, a pair of left and right lower arms 9 having a lower pin 8, and the like. The three-point link mechanism T1 is, for example, a top link telescopic type, and is composed of a top link a having a rod a1 that can move forward and backward, a pair of left and right lower links b, and the like.

At the center of the lower front end of the machine casing 3, there is provided a mission case 10a for rotatably holding an input shaft 10 for inputting power from the tractor T. The input shaft 10 is a tractor. It is connected to a PTO shaft (not shown) of T via a universal joint or the like.

Further, at the lower end of the machine frame 3, there is provided a scraping device 11 which is a scraping means for scraping the agricultural crop A in the field H and discharging it to the rear.

As shown in FIGS. 6 and 7, the scraping device 11 is horizontally supported by a pair of left and right frames 3a of the machine frame 3 facing each other and spaced apart from each other. In a predetermined direction (in Fig. 6,
The rotating body 12 is driven and rotated counterclockwise).

The rotary body 12 is provided with a plurality of (for example, four) rotary scrapers having a guide contact portion 14 which is a slide contact portion which slides and moves on the guide surface 13a of the attitude setting guide 13. Inserting blades 15 are provided so as to be vertically rotatable about a center axis Y2 of horizontal rotation in the horizontal direction.
The transmission case 10a holding the input shaft 10 for inputting the power from the tractor T to the farm work machine 1 side is a scraping device 11.
It is arranged above and adjacent to the scraping device 11.

Here, the rotary body 12 has a rotary shaft 16 which is a horizontal drive shaft extending horizontally between, for example, a pair of frames 3a which are spaced apart and opposed to each other, and both ends of the rotary shaft 16 in the axial direction. A pair of left and right blade mounting members 17 having a substantially cross shape in a side view are integrally mounted on the portion.

Each blade mounting member 17 has, for example, a disc portion 17a coaxially connected to and fixed to the rotating shaft 16 at the central portion thereof, and has a disc portion 17a from the outer periphery of the disc portion 17a to the mounting plate portion. 17b
Are projected radially, for example, in four different directions. In addition,
The rotating shaft 16 and the blade mounting member 17 constitute a rotating body 12 that is rotatably provided on the machine frame 3 and that is driven and rotated in a predetermined direction about the rotation center axis Y1, that is, the rotating shaft 16.

Each of the scraping blades 15 has a horizontal support shaft 18 which is bridged between, for example, a pair of mounting plate portions 17b which are spaced apart from each other and opposed to each other. An elongated support plate 19 having a letter shape is integrally attached so as to be positioned over substantially the entire axial direction of the support shaft 18, and the support plate 19 has elastically deformable elasticity forming a plate-shaped blade body 29. Board
20 is integrally attached along the support plate 19.

The elastic plate 20 is an elongated plate having a longitudinal direction in the horizontal direction, and one end in the lateral direction of the elastic plate 20 is a free end and the other end in the lateral direction. The part serves as a connecting part and is connected and fixed to the support plate 19. Further, a plurality of elongated notches 20a are formed on the free end side of the elastic plate 20 in the lateral direction of the elastic plate.

Further, a pair of left and right sliding contact members 14a constituting the guide contact portion 14 are integrally attached to both axial ends of the support shaft 18. Each of the sliding contact members 14a has a substantially elongated plate shape, and has both ends in the longitudinal direction formed in an arc shape, and one end in the longitudinal direction is fixedly connected to the axial end of the support shaft 18. The spindle 18, the support plate 19, the elastic plate 20, and the sliding contact member
A scraping blade 15 that is rotatable with respect to the rotating body 12 about the rotation center axis Y2, that is, the support shaft 18 is formed by 14a and the like.

Further, the attitude setting guide 13 is a scraping blade.
The attitude of the scraping blade 15 is set by making contact with the guide contact portion 14 of the guide member 15, and is composed of, for example, a pair of left and right guide members 34 facing each other.

Each of the guide members 34 is a substantially disc-shaped member having substantially the same thickness as that of the sliding contact member 14a.
It is fixed to the frame 3a of the machine casing 3 so as to be located on the same plane as 14a.

That is, the guide member 34 is located on the same plane as the corresponding sliding contact member 14a, and the rotation center axis Y1 penetrates the guide member 34 at a substantially central position. A guide surface 13a for guiding the sliding contact member 14a is formed on the outer peripheral surface of the guide member 34, and the distance from the rotation center axis Y1 to the guide surface 13a is longer on the lower side than on the upper side of the guide member 34. Has become.

Then, when the power from the input shaft 10 held by the mission case 10a is transmitted to the rotary shaft 16 of the rotary body 12 of the scraping device 11 via the transmission means 45, each scraping blade 15 becomes Along with the rotating body 12, together with the rotating body 12, the scraping blade 15 descends in a predetermined direction with respect to the rotation center axis Y1 as a center, that is, in the forward direction X, and the backward side in the forward direction X (opposed to the lifting conveyor 21). (Side), the take-in blade 15 revolves revolvingly in the direction of rising.

During this rotation, each scraping blade 15
Is based on the attitude setting action of the attitude setting guide 13.
It rotates about the rotation center axis Y2 with respect to 12, and becomes a lying posture (a substantially horizontal horizontal posture) above the rotation center axis Y1 and a standing posture (a substantially vertical posture) below the rotation center axis Y1. Vertical posture).

That is, each scraping blade 15 has a guide contact portion.
14 is the guide surface 13a of the guide member 34 of the attitude setting guide 13.
By sliding it to and moving it,
It rotates with respect to 12, and becomes a lying posture on the upper side of the guide member 34 and a standing posture capable of being scraped on the lower side of the guide member 34. That is, each scraping blade 15 gradually changes its posture from a standing posture to a lying posture on the rear side in the traveling direction X of the guide member 34 (the side facing the transport start end portion of the lifting transport conveyor 21).

As a result, the agricultural product A on the field H is scraped by the respective scraping blades 15 of the scraping device 11 and discharged to the rear, and is transferred onto the scooping body 46 which is inclined forward and downward. The comb-shaped scooping body 46 is composed of a plurality of rod members 47 and the like arranged at intervals in the left-right direction.

Further, the machine frame 3 is a carrying means for receiving the crop A from the front scraping device 11 through the scooping body 46 and lifting and carrying it obliquely upward and rearward to a predetermined height position. An upper transport conveyor 21 is provided, and a lower end portion which is a transport start end portion of the lifting transport conveyor 21 is arranged behind the scraping device 11 and close to the scraping device 11. That is, the scraping device 11 is arranged in the vicinity of the front of the lower end of the lifting conveyer 21.

The lifting / conveying conveyor 21 has a horizontal drive shaft 22. The drive side sprockets 23, which are rotating bodies, are integrally attached to both ends of the drive shaft 22. Further, the lifting conveyer 21 has a left and right horizontal driven shaft 24, and a driven side sprocket 25, which is a rotating body, is integrally attached to both ends of the driven shaft 24.

Further, a chain 26, which is a pair of left and right rotating bodies, is rotatably wound around the driving sprocket 23 and the driven sprocket 25, which are spaced apart from each other and face each other. A plurality of horizontal rods 27 are bridged horizontally. Each rod 27
A plurality of transfer claws 28 on which the agricultural product A is placed are projected on the.

The power from the input shaft 10 is transmitted to the transmission means 45.
When it is transmitted to the drive shaft 22 of the lifting / conveying conveyor 21 via the drive shaft 22, the drive shaft 22 and the driven shaft 24 are driven and rotated in a predetermined direction, and both chains 26 are driven and rotated in a predetermined direction.
28 rotates together with both chains 26.

As a result, the agricultural product A discharged from the scraping device 11 is transferred from the scooping body 46 to the conveying claw 28,
While being placed on the transfer claw 28, it is lifted and conveyed obliquely upward and rearward. The lifting / conveying conveyor 21 receives the agricultural produce A from the scooping body 46 and also receives the contaminant B such as grass, and lifts and conveys the contaminant B together with the agricultural produce A.

Further, in the vicinity of the upper end of the machine frame 3, the agricultural product A from the upper end of the lifting conveyor 21 is positioned at a predetermined working position (inclined backward and downward as shown by the solid line in FIG. 1). And the foreign matter B is received on the front end side, and then the agricultural produce A and the foreign matter B are separated, and the necessary agricultural produce A is moved obliquely downward and rearward so as to slide down on the upper transport surface 30 to remove unnecessary foreign matter. A projecting separating conveyor 31 for carrying B on its carrying surface 30 and carrying it obliquely upward and forward is provided rotatably in the vertical direction while projecting rearward from the rear end of the machine frame 3.

That is, the upper rear end of the machine body 2 has a vertically movable separation conveyor for separating the crop A and the foreign matter B.
31 is provided rotatably in the vertical direction such that the rear end side, which is the other end side, moves up and down around the horizontal rotation center axis line α of the front end side, which is the one end side, of this separation conveyor 31. .

As shown in FIGS. 4 and 5, the separating conveyor 31 has a pair of left and right rotatable conveyor frames 32 formed in the shape of an elongated rectangular plate and facing each other with a space therebetween. The front end portion is rotatably attached to the conveyor attachment portion 33 of the machine body 2.

A drive roller 35, which is a rotating body whose axial direction coincides with the left and right horizontal directions, is horizontally bridged over the front end portions of the pair of left and right conveyor frames 32, and the rear end portions of the pair of left and right conveyor frames 32. A driven roller 36, which is a rotating body whose axial direction coincides with the horizontal direction in the left and right direction, is horizontally laid across.

Further, a conveyor belt 37 such as an endless flat belt is rotatably wound around the pair of driving roller 35 and driven roller 36 which are spaced apart and opposed to each other in the front-rear direction. The upper surface of the conveyor belt 37, that is, the front surface of the conveyor belt 37 constitutes the conveyor surface 30.

Then, the chain 26 of the lifting conveyer 21
When the power from is transmitted to the drive roller 35 of the separation conveyor 31 via the transmission means 39 for the separation conveyor,
The 35 and the driven roller 36 are driven and rotated in a predetermined direction, and the conveyor belt 37 is driven and rotated in a predetermined direction (direction B in the drawing), that is, in a direction in which the conveyor surface 30 moves forward.

As a result, the transfer claw 28 of the lifting transfer conveyor 21.
Foreign matter B dropped from above onto the transport surface 30 of the transport belt 37
, While being conveyed diagonally upward and forward toward the front end side of the separation conveyor 31 by the conveyor belt 37, the agricultural product A dropped from the conveyor claw 28 of the lifting conveyor 21 onto the conveyor surface 30 of the conveyor belt 37. However, as it slides down on the transport surface 30 due to its own weight,
The separation conveyor 31 is conveyed obliquely downward and rearward toward the rear end side.

The foreign matter B is transported by the transport belt 37 and then drops onto the field H from the space 40 between the lifting transport conveyor 21 and the separation conveyor 31. The transmission means 39 for the separation conveyor is one of the sprockets which rotates as the chain 26 of the lifting / conveying conveyor 21 travels as shown in FIG.
41, the other sprocket 42 facing away from the one sprocket 41, the chain 43 wound around the both sprockets 41, 42, and the like. Also, Aircraft 2
A rotation restricting means (not shown) for restricting the separation conveyor 31 from rotating below a predetermined working position is provided therein. The separation conveyor 31 shown by the solid line in FIG. 1 is located at a predetermined work position in a state in which the upward rotation is allowed and the downward rotation is restricted by the rotation restricting means.

As shown in FIGS. 4 and 5, a chute mount 51 is integrally provided at the rear end of the separation conveyor 31 in a state of protruding rearward from the rear end of the separation conveyor 31. A movable chute 52, which is a conveyance chute, is attached to the chute attachment body 51 so that the position can be changed between the conveyance position and the non-conveyance position.

That is, at the rear end of the chute mount 51 projecting rearward from the rear end of the separating conveyor 31, the movable chute 52 is provided with a horizontal horizontal rotation on the transport end side which is one end side of the movable chute 52. It is mounted rotatably in the up-down direction (rotatable back and forth) between the transport position and the non-transport position so that the transport start end side, which is the other end side, moves up and down around the dynamic center axis β.

At the rear end of the chute mount 51, it is prohibited that the agricultural products A from the movable chute 52, that is, the agricultural products A carried out from the movable chute 52 located at the transfer position, try to move to the outside of the container W. The stopper body 53 is attached so as to be rotatable in the up-down direction (rotatable in the front-back direction) about the rotation center axis γ in the horizontal horizontal direction.
The movable chute 52 is rotated in the vertical direction to change its position in response to the human's manual rotation operation. That is, the movable chute 52 is configured to rotate in the vertical direction in association with the stopper body 53 by the action of the interlocking device 68.

In the state where the movable chute 52 is located at the conveying position, the agricultural crop A from the front separating conveyor 31 is conveyed obliquely downward and rearward by the movable chute 52 to form one container W.
Although it falls inside and is accommodated, that is, accommodated in the container W via the movable chute 52, the crop A from the separation conveyor 31 is conveyed by the movable chute 52 when the movable chute 52 is in the non-conveying position. Without dropping, the container W is dropped and accommodated in another container W adjacent to the one container W.

Here, the chute mounting body 51 has a pair of left and right fixed arms 55 formed in the shape of an elongated plate and facing each other with a space therebetween, and the front ends of the respective fixed arms 55 are located at the rear ends of the corresponding conveyor frames 32. It is fixed so as to extend the conveyor frame 32.

At the rear ends of the pair of left and right fixed arms 55, there is a chute rotating shaft whose axial direction coincides with the left and right horizontal directions.
56 is rotatably bridged, and a conveyance end portion of a rectangular plate-shaped chute main body 58 having one surface as a conveyance surface 57 is integrally attached to the chute rotation shaft 56. A cushioning sheet 59, which is a sponge-like cushioning member, is integrally attached to the other surface of the chute body 58.

Further, on both sides of the chute main body 58 in the vicinity of the conveying start end portion, the movable chute 52, that is, the chute main body 58, is prevented from rotating below a predetermined conveying position by contact with the fixed arm 55. A pair of chute stoppers 60 are integrally attached. Each chute stopper 60
Is composed of, for example, a plate member bent into a substantially L shape.

A first turning gear 61, which is a pair of left and right one-side engaging bodies, is integrally attached to both axial ends of the chute turning shaft 56. The fixed arm 55, the chute rotation shaft 56, and the like form a chute attachment body 51. The movable chute 52 is configured by the chute body 58, the cushioning sheet 59, and the like.

On the other hand, the stopper body 53 has a pair of left and right movable arms 63 formed in the shape of an elongated plate and facing each other with a space therebetween.
A base end portion of each movable arm 63 is rotatably attached to a rear end portion of a corresponding fixed arm 55 via a horizontal rotation shaft 64.

Further, the tip ends of the pair of left and right movable arms 63 are integrally connected to each other by an elongated plate-like connecting member 65 having a longitudinal direction in the horizontal direction, and the connecting member 65 has a longitudinal direction in the horizontal direction. One end in the lateral direction of a stopper 66 having a rectangular plate shape having a direction is integrally attached, and the other end in the lateral direction of the stopper 66 is a free end. The stopper 66 is composed of, for example, a rubber plate 67 which is an elastic plate serving as a cushioning member so as not to damage the agricultural product A. The movable arm 63, the connecting member 65, the stopper 66 and the like constitute a stopper body 53.

On the other hand, the second rotating gears 62, which are a pair of left and right engaging bodies on the other side, are integrally attached to the rotating shaft 64, and each second rotating gear 62 is attached to the corresponding first rotating gear 61. Engaged or meshed. The first rotating gear 61, the second rotating gear 62 and the like constitute the interlocking device 68.

On the other hand, as shown in FIG. 1, from the lower rear end portion of the machine frame 3, a pair of left and right rotating frames 71 such as a mast formed in an elongated shape having a longitudinal direction in the up-down direction is provided above. The rotating frame 71 is rotatable in the front-rear direction, that is, tiltable in the front-rear direction so that the upper end moves up and down around the left-right horizontal rotating shaft 72 on the lower end side.

The fork 73, which is a support for supporting the plurality of containers W in which the agricultural products A from the rear end side of the separation conveyor 31 are dropped and accommodated, is movable along the longitudinal direction of the rotating frame 71. It is provided in.

That is, the crop A from the separation conveyor 31
Is a container mounting means having a substantially L-shape in a side view, capable of mounting and supporting a plurality of stages of containers W that are directly accommodated from the separation conveyor 31 or indirectly accommodated through the movable chute 52. 73 is provided at the rear end of the machine body 2 so as to be capable of moving up and down so as to project rearward and rotatable in the vertical direction.

Further, the machine body 2 is provided with an elevating / lowering drive means 76 for elevating and lowering the fork 73 along the longitudinal direction of the rotating frame 71, and the fork 73 is also rotated.
At the same time, a rotation drive means 77 for rotating the rotation shaft 72 in the vertical direction is provided.

The elevating and lowering drive means 76 has an elevating and lowering cylinder 78 such as a fluid type lift cylinder which is a drive source, and an elevating and lowering actuating mechanism 81 including a chain 79, a sprocket 80 and the like. Lifting cylinder 78 rod 78a
The actuating mechanism 81 is actuated in accordance with the advance and retreat of the fork 73 to move up and down along the longitudinal direction of the rotating frame 71.

The rotary drive means 77 has a rotary cylinder 83 such as a fluid type tilt cylinder as a drive source, and a rotary operation constituted by a first link 84, a second link 85 and the like. The rod 83 of the rotating cylinder 83 having the mechanism 86 and the like.
The actuating mechanism 86 is actuated in response to the advance / retreat of a and the fork 73 is configured to pivot in the vertical direction about the pivot shaft 72.

Then, the lifting cylinder 78 of the lifting drive means 76
A control means 90 for controlling the cylinders 78, 83 is connected to the rotation cylinder 83 of the rotation drive means 77, and this control means 90 is an operator (subtractor different from the driver of the tractor T). An operating means 91 operated by a worker) is connected.

The operating means 91 is formed as one unit, for example, as a lift / tilt operating switch, and is located in the vicinity of the upper end portion of the machine body 2, that is, for example, the conveyor mounting portion 33 of the machine body 2 so that the operator can easily operate it. It is provided in the vicinity of the upper end of the lifting conveyance conveyor 21.

The operating means 91 has, for example, an elevating operation switch 92 which is turned on by an operator when the fork 73 is moved up and down by the elevating drive means 76.
The rotation drive means 77 has a rotation operation switch 93 which is turned on by an operator when the fork 73 is rotated in the vertical direction.

The operating means 91 is a means for informing the driver who is the driver of the tractor T, that is, predetermined information (for example, a predetermined number of containers on the fork 73 from the farm work machine 1 side for the driver of the tractor T). It has an informing operation switch 94 that is operated when a buzzer (not shown) that is an informing means for informing that W is full of agricultural products A, etc. is activated. The buzzer is, for example, a tractor T
It is provided on the car body. Further, these three lifting operation switches 92, rotation operation switches 93, and notification operation switches 94 are arranged close to each other.

A pair of left and right front grounding wheels 95 are mounted on the front side of the lower end of the machine frame 3 via mounting arms 96, and a pair of left and right rear grounding wheels 98 are vertically mounted on the rear side of the lower end of the machine frame 3. It is mounted via a rotatable mounting arm 97. Also,
As shown in FIG. 3, each rear grounding wheel 98 is constantly urged upward by urging means 99 such as a torsion spring, and the body 2 is lifted to a position above the field H, that is, to the ground, by the three-point link mechanism T1. When it is hit, it does not rotate downward more than necessary to secure the ground height.

Further, the machine frame 3 is provided with an adjusting means 101 composed of a vertical adjusting handle 100 and the like.
The vertical position of the lifting conveyance conveyor 21 can be adjusted by rotating the vertical adjustment handle 100 of 01. The scraping device 11, the scooping body 46, the lifting / conveying conveyor 21, the separating conveyor 31 and the like constitute working means 105 for picking up the agricultural product A from the field H and transferring it to a predetermined position.

Next, the operation and the like of the above embodiment will be described with reference to the drawings.

As shown in FIGS. 1 and 5, fork 73
The predetermined number of containers W (first-stage containers W) are supported from below via the pallet P, the separating conveyor 31 is located at the working position, and the movable chute 52 is at the carrying position (the carrying surface 57 is descending backward). When the entire agricultural work machine 1 moves in the traveling direction X in the field H by traveling of the tractor T in a state in which the agricultural work machine 1 is positioned at the position (inclined state), the crop A is picked up from the field H and stored in the container W. .

That is, the agricultural products A and the contaminants B in the field H are discharged to the rear by a fixed amount by the blade main body 29 of each of the cleaning blades 15 of the cleaning device 11, transferred onto the scooping body 46, and held. The upper conveyor 21 lifts and conveys diagonally upward and rearward to a predetermined height position, and then the separation conveyor.
By 31, the necessary agricultural crop A and unnecessary impurities B are separated.

Then, the contaminant B is conveyed obliquely upward and forward toward the front end side of the separation conveyor 31 on the conveyance surface 30 of the separation conveyor 31, and the lifting conveyance conveyor 21 and the separation conveyor 31.
It falls on the field H from the space 40 between them.

On the other hand, the crop A has a transport surface 30 due to its own weight or the like.
As it slides down, the descending sloped separating conveyor 31
Is conveyed diagonally downward and rearward on the conveying surface 30 toward the rear end side of
Then, the movable chute 52 located on the same plane as the transport surface 30.
The chute body 58 is conveyed obliquely downward and rearward on the conveying surface 57, and is housed in the predetermined container W from the movable chute 52, for example, in the container W on the tip side of the fork 73.

The agricultural product A carried out from the end of the movable chute 52 is transferred to the stopper body 53, that is, the movable arm.
The contact with the 63, the connecting member 65, and the stopper 66 prevents them from moving outside the container W and dropping, and is properly accommodated in a predetermined container W. For example, even if the crop A is vigorously carried out rearward from the end of the movable chute 52, the portion other than the upper end contacts the stopper 66 inserted into the container W, so that the crop A is stored in the predetermined container W. Securely housed inside.

When such a storing operation progresses and the produce A is fully stored in the container W on the tip side of the fork 73,
An operator who follows the agricultural work machine 1 picks up the stopper body 53 (for example, the movable arm 63 or the connecting member 65), and performs a rotation operation about the rotation center axis line γ.

Then, as shown in FIG.
The movable chute 52 is rotated upwards in conjunction with the movement of the movable chute 52 to change the position from the carrying position to the non-conveying position, and the buffer sheet 59 of the movable chute 52 faces the separating conveyor 31 and is inclined forward and downward.

In this state, the farm work machine 1 as a whole has the tractor T.
When the farmland H is moved in the traveling direction X by traveling, the agricultural product A is picked up from the farmland H and placed in the predetermined container W from the separation conveyor 31, for example, in the container W on the base end side (machine body 2 side) of the fork 73. Be accommodated.

The agricultural product A carried out from the end of the separation conveyor 31 is prevented from moving to the outside of the container W and dropping due to the contact with the fixed arm 55 and the buffer sheet 59. Properly housed in W. For example,
Even if the crop A is vigorously carried out rearward from the transport end of the separation conveyor 31, the buffer sheet 59 of the movable chute 52 is provided.
Therefore, the agricultural product A is reliably accommodated in the predetermined container W.

When the container W on the base end side of the fork 73 is filled with the agricultural products A, the operator who follows the back of the agricultural work machine 1 turns on the lifting operation switch 92 of the operation means 91. Then, a predetermined electric signal according to the ON operation of the lifting operation switch 92 is transmitted to the control means 90, and the control means 90 controls the lifting cylinder 78 of the lifting drive means 76, and the fork 73.
Is lowered by a predetermined amount.

After the fork 73 descends by a predetermined amount and stops,
The operator places a predetermined number of empty containers W on the first-level container W so as to be stacked, and causes the fork 73 to support the second-level container W. Then, after rotating the stopper body 53 to position the movable chute 52 at the carrying position, the same work as described above is repeated. As the empty container W, the one on the empty container mounting table (not shown) of the machine frame 3 is used.

The second container W on the fork 73 is the crop A.
When it becomes full with, the operator who follows the back of the agricultural work machine 1 similarly operates the lifting operation switch 92 to lower the fork 73 by a predetermined amount by the lifting drive means 76, and the third stage container W is placed on the fork 73. Support. Then, as shown in FIG. 2, after rotating the stopper body 53 to position the movable chute 52 at the carrying position, the same work as described above is repeated.

When the third-stage container W on the fork 73 is filled with the agricultural products A, the work of accommodating the container W in the container W is temporarily interrupted, and the portion to be loaded, for example, the loading platform 107 of the carrier 106. A loading operation of a plurality of stages of container W, for example, a three-stage container W group, that is, a replacement operation is performed.

That is, as shown in FIG. 3, for example, the driver of the tractor T performs a predetermined operation to perform the three-point link mechanism T.
The top link a and the lower link b of 1 are rotated to lift the entire farm work machine 1 from the field H to the ground. Further, the operator turns on the lifting operation switch 92 to raise the fork 73 by a predetermined amount, and turns on the turning operation switch 93 to turn the fork 73 by a predetermined amount.

When the fork 73 is raised, the separation conveyor
31 is brought into contact with a container W on the fork 73, which is raised together with the fork 73, and is pushed by the container W to move upward, that is, in the upward direction so that, for example, the rear end side is raised about the rotation center axis α. Rotate a fixed amount. That is, the separation conveyor 31 is pressed by the container W and jumps up.

Subsequently, for example, from the lifted state shown in FIG. 3, the fork 73 is lowered by operating the raising / lowering operation switch 92, so that the lower surface of the pallet P is placed on the carrier 1 of the carrier 106.
By bringing the fork 73 into contact with the upper surface of 07 and then moving the tractor T forward, the forks 73 are extracted from the pallet P, and a plurality of container W groups in which the agricultural products A are fully stored are placed on the fork 73 on the pallet P. From carrier 106 of carrier 106
Replace on top. The separation conveyor 31 pivotally returns to a predetermined work position due to gravity of the separation conveyor 31 itself.

After loading a plurality of container W groups, the operator inserts the next pallet P into the fork 73, places the next empty container W on the inserted pallet P, and the state shown in FIG. To In addition, the operator who follows the farm work machine 1 is
In order to inform the driver of the tractor T that the predetermined number of containers W on the fork 73 are filled with the agricultural products A, that the next empty container W has been placed on the fork 73, etc. The buzzer sounds by appropriately turning on the notification operation switch 94. Then, by repeating the series of operations described above, the harvesting work of the agricultural products A in the entire field H is performed.

According to the above-described embodiment, the rotating body 12 is rotated in the predetermined direction around the rotation center axis line Y1 in the left-right direction together with the rotating body 12 while the rotating body 12 is rotated based on the posture setting action of the posture setting guide 13. A swaging device 11 having a plurality of sweeping blades 15 that are vertically rotated with respect to each other and are in a lying posture on the upper side and a standing posture on the lower side is arranged at a position near the front of the transport start end of the lifting transport conveyor 21. As a result, the lifting conveyor
When the crop A is received by 21, the wing main body 29 of the scraping blade 15 exerts an unreasonable force on the crop A, that is, a relatively large external force for pushing the crop A into the upper conveyance conveyor 21 side. Therefore, the damage to the agricultural product A can be prevented as compared with the conventional configuration.

Not only can the carry-in blade 15 of the scraping device 11 be prevented from being carried around, but the scraping device 11 can be made compact and the installation space for the scraping device 11 can be reduced.

Furthermore, the rotation center axis line Y1 of the scraping blade 15 can be located at a position closer to the mission case 10a side than the center height position between the ground surface of the field H and the mission case 10a at a fixed position, It can also be used for relatively large crops A. That is, the distance between the ground surface of the field H and the mission case 10a depends on the size of the tractor T (PTO
Since it is decided according to the height of the shaft, etc.), the size of the sweeping blade 15 is limited in the conventional configuration, and it is not possible to deal with a relatively large crop A.
The length of the elastic plate 20 of 15 in the lateral direction can be made relatively long, and it is possible to deal with a relatively large agricultural product A.

Further, for example, when the fork 73 is lifted during the loading operation of the full container W on the loading platform 107 of the carrier 106, the rotary separation conveyor 31 is pushed by the container W rising together with the fork 73 and is moved upward. Since the separation conveyor 31 does not interfere with the loading work, the fork 73 can be lifted to appropriately raise the container W groups in a plurality of stages to a desired height position, and the loading work can be performed efficiently. It can be carried out.

Further, a rotary type mounted on the rear end of the chute mounting body 51 projecting rearward from the separation conveyor 31 so that the position can be changed between a carrying position and a non-carrying position, that is, a vertical direction which is a predetermined direction. In the state where the movable chute 52 is located at the transfer position, the crop A from the separation conveyor 31 is transferred by the movable chute 52 and dropped into the container W on the tip side of the fork 73 to be stored. In the state in which the movable chute 52 is located at the non-conveying position, the crop A from the separating conveyor 31 is not conveyed by the movable chute 52 but is dropped and accommodated in the container W on the base end side of the fork 73. Therefore, the storage work can be performed efficiently and appropriately.

Further, a stopper body 53, which prohibits the agricultural products A carried out from the movable chute 52 and slid on the movable chute 52 from moving out of the container W, is rotated to the rear end of the chute mounting body 51. Since it is movably mounted, the crop A can be prevented from falling out of the container W, and the position of the movable chute 52 can be easily changed by rotating the stopper body 53.

Further, the raising / lowering operation switch 92 which is turned on when the fork 73 is raised and lowered, and the turning operation switch 93 which is turned on when the fork 73 is turned in the vertical direction, which is a predetermined direction, respectively. Since the configuration is provided at the upper end portion, for example, a sub-worker different from the driver of the tractor T, that is, an auxiliary worker who follows behind the agricultural work machine 1 operates the lifting operation switch and the rotation operation switch. It is possible to work more efficiently.

Further, since the informing switch 94 is provided on the upper end of the machine body 2 to be turned on when the operator who follows the farm work machine 1 operates the buzzer, the operator of the tractor T is provided to the farm work machine 1 side. The operator can surely be notified of the predetermined information, and the traveling and stopping of the tractor T can be appropriately performed.

The agricultural working machine 1 is not limited to the construction provided with the lifting conveyor 21 for directly receiving and lifting the agricultural product A from the scraping device 11 via the scooping body 46 and carrying it, for example. Although not shown in the figure, it may be provided with a conveying means for directly receiving and conveying the crop A discharged or pushed out from the scraping device 11.

Further, the scraping device 11 which is a scraping means is shown in FIG.
Further, the same operational effect can be obtained not only by the one shown in FIG. 7 but also by the one shown in FIG. 8, for example.

The scraping device 11 shown in FIG. 8 has two rotation center axis lines Y1 in the horizontal direction in the left-right direction which are spaced apart from each other and face each other.
It is provided with a pair of left and right chains 12a which are endless bodies and which constitute a rotating body which is driven and rotated in a predetermined direction with respect to.

That is, the scraping device 11 is driven to rotate in a predetermined direction about a pair of front and rear rotation center axes Y1 located at the same height, and moves forward above the pair of front and rear rotation center axes Y1. A pair of left and right endless chains 12a that make up a rotating body that moves backward at the bottom.
Is equipped with. Each chain 12a is supported by a pair of left and right frames 3a of the machine frame 3 which are spaced apart and opposed to each other, and is horizontally supported at the same height position. Is rotatably wound around a sprocket 16a fixed to the rotating shaft 16.

The chain 12a is provided with a plurality of (for example, six) rotary scrapers having guide contact portions 14 which are sliding contact portions which slide in contact with the guide surface 13a of the attitude setting guide 13. The blades 15 are provided so as to be rotatable in the up-down direction about a rotation center axis line Y2 in the left-right horizontal direction. A transmission case 10a holding an input shaft 10 for inputting the power from the tractor T to the farm work machine 1 side is arranged above the scraping device 11 and close to the scraping device 11.

Here, each of the scraping blades 15 has the same structure as that shown in FIG. 6, but the attitude setting guide 13 has a structure different from that shown in FIG.

The attitude setting guide 13 shown in FIG. 8 contacts the guide contact portion 14 of the scraping blade 15 to set the attitude of the scraping blade 15. For example, a pair of left and right guides spaced apart from each other and opposed to each other. It is composed of a member 34a.

Each of the guide members 34a has a substantially same thickness as that of the sliding contact member 14a and is in the shape of an elliptical plate elongated in the front-rear direction, and is located on the same plane as the corresponding sliding contact member 14a. Thus, it is fixed to the frame 3a of the machine casing 3. That is, the guide member 34a is located on the same plane as the corresponding sliding contact member 14a, and each rotation center axis Y1 penetrates through the predetermined position of the guide member 34a. A guide surface 13a for guiding the sliding contact member 14a is formed on the outer peripheral surface of the guide member 34a. Further, on the front side of the guide member 34a, the distance from the front rotation center axis Y1 to the guide surface 13a is the guide member.
The lower side of 34 is longer than the upper side of
On the rear side of a, the distance from the rear rotation center axis Y1 to the guide surface 13a is longer on the lower side than on the upper side of the guide member 34a.

When the power from the input shaft 10 held by the transmission case 10a is transmitted to the rotary shaft 16 of the scraping device 11 via the transmission means 45, each scraping blade 15 is integrated with the chain 12a. With this chain 12a, the scraping blade 15 descends in a predetermined direction with respect to the rotation center axis Y1, that is, in the front side of the traveling direction X, and in the rear side of the traveling direction X (opposite side to the lifting conveyance conveyor 21). 15 is driven to rotate (circulates) in the direction of rising.

At the time of this rotation, each scraping blade 15
Is rotated about the rotation center axis Y2 with respect to the chain 12a on the basis of the posture setting action of the posture setting guide 13, and a lying posture (horizontal horizontal posture) above each rotation center axis Y1. Therefore, a standing posture (a substantially vertical vertical posture) is provided below each rotation center axis Y1.

That is, each scraping blade 15 has a guide contact portion.
14 is the guide surface 13a of the guide member 34 of the attitude setting guide 13.
By sliding on the support shaft 18 to rotate about the support shaft 18 with respect to the chain 12a, the guide member 34a is in a lying position on the upper side, and the lower side of the guide member 34a is in a standing position capable of being swept. Become. That is, each scraping blade 15 has a guide member 34a.
On the rear side of the traveling direction X (the side facing the transport start end of the lifting transport conveyor 21), the posture is gradually changed from the standing posture to the lying posture.

In this way, the agricultural product A on the field H is scraped by the respective scraping blades 15 of the scraping device 11 and discharged to the rear, and is transferred onto the scooping body 46 in the front downward slope, and thereafter.
It is lifted and conveyed by the lifting conveyer 21.

The scraping device 11 is limited to a structure in which a plurality of scraping blades 15 are rotatably provided on a chain 12a that rotates, that is, rotates about a pair of front and rear rotation center axis lines Y1 located at the same height. For example, although not shown, the blades 15 are scraped onto the chain 12a that rotates about a pair of front and rear rotation center axes Y1 located at different heights, which are higher than the front rotation center axis Y1 (not shown). A plurality of rotatably provided may be provided. With this configuration, the distance between the lifting conveyance conveyor 21 and the field can be increased, and the comb-shaped scooping body 46 can be lengthened, so that the lifting conveyance conveyor 21 receives a large amount of soil together with the crop A. Can be properly prevented.

[0109]

According to the first aspect of the present invention, there is provided a raking means having a raking blade which is rotated in a predetermined direction and is in a lying posture on the upper side and a standing posture on the lower side. Therefore, as compared with the conventional configuration, it is possible to prevent damage to the agricultural products when the agricultural products are received by the transportation means.

According to the second aspect of the present invention, while rotating in the predetermined direction together with the rotating body, it rotates with respect to the rotating body based on the posture setting action of the posture setting guide, and becomes a sleeping posture on the upper side. Since the side is configured to include the scraping means including the scraping blade that is in an upright posture, it is possible to prevent damage to the crops when the crops are received by the conveying means, as compared with the conventional structure.

According to the third aspect of the present invention, the scraping blade can properly scrape agricultural products in the field and discharge the agricultural products in the field by means of the blade main body composed of the elastically deformable elastic plate.

According to the fourth aspect of the present invention, the rotation center axis of the scraping blade can be located at a position closer to the mission case than the central position between the farm field and the mission case, and it is possible to cope with relatively large agricultural products. it can.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of an agricultural working machine of the present invention.

FIG. 2 is a side view of the same agricultural working machine.

FIG. 3 is a side view of the agricultural work machine at the time of loading work.

FIG. 4 is a side view of the separation conveyor of the agricultural working machine of the above.

FIG. 5 is a plan view of the separation conveyor of the agricultural working machine of the above.

FIG. 6 is a side view of the scraping device of the agricultural working machine.

FIG. 7 is a plan view of the scraping device of the agricultural working machine of the above.

FIG. 8 is a side view showing a modified example of the scraping device of the agricultural working machine.

[Explanation of symbols]

1 farm work machine 10 Input shaft 10a mission case 11 Scraping device as scraping means 12 rotating body 12a Chains that make up the rotating body 13 Posture setting guide 14 Guide contact part 15 scraping blade 20 elastic plate 21 Lifting conveyor which is a transportation means 29 Blade body A crop H field T tractor that is a traveling vehicle

Claims (4)

[Claims] 1. A scraping means for scraping agricultural crops in a field and discharging them backward, and a conveying means for receiving and transporting agricultural crops from the scraping means, wherein the scraping means rotates in a predetermined direction. However, the agricultural working machine is equipped with a raking blade that is in a sleeping position on the upper side and a standing position on the lower side. 2. A scraping means for scraping agricultural crops in a field and discharging them backward, and a conveying means for receiving and conveying the agricultural crops from the scraping means, wherein the scraping means rotates in a predetermined direction. A rotating body, a scraping blade that is rotatably provided on the rotating body, and has a guide contact portion, and an attitude setting guide that contacts the guide contact portion and sets the attitude of the scraping blade. While rotating in a predetermined direction together with the rotating body, the scraping blade is rotated with respect to the rotating body based on the posture setting action of the posture setting guide, and is slept on the upper side and stands on the lower side. Agricultural work machine characterized by having a different posture. 3. The agricultural working machine according to claim 1 or 2, wherein the scraping blade has a blade main body formed of an elastic plate that is elastically deformable. 4. A transmission case, which holds an input shaft for inputting power from a traveling vehicle, is arranged above the scraping means and in the vicinity of the scraping means. The agricultural work machine described in any of 1.