JPH11192877A - Forage wagon - Google Patents

Abstract

PROBLEM TO BE SOLVED: To heighten loading density by timely compressing a forage from the front of a packing box backward without interrupting a harvesting work by installing a compressing operation wall adapted to freely move in the longitudinal direction along the upper surface of a floor plate of the packing box between right and left side walls of the packing box on the leading end side of the packing box. SOLUTION: The leading end part of a packing box 2 is provided with a compressing operation wall 5 slid on a floor plate 20 to slide in the longitudinal direction between right and left side walls 21, 21. A reciprocating mechanism w1 for compression of a reciprocating mechanism (w) for moving a compressing operation wall 5 forward and backward is assembled on the leading end side of the upper surface of a packing box base 23, and further a reciprocating mechanism w2 for discharge is assembled on the lower surface side. (a), (a) are guide members arranged on an upper frame 5a to correspond to the upper surfaces of both right and left end parts, and provided in parallel to the moving direction of the compressing operation wall 5 inside the right and left side walls 21, 21 of the packing box 2. When the compressing operation wall 5 is moved, the guide members are brought into sliding contact with the upper surface of the upper frame 5a to smoothly guide the movement.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a forestry wagon for transporting forage harvested by a harvester such as a corn harvester.

[0002]

2. Description of the Related Art A conventional forge wagon is usually constructed in a form as shown in a side sectional view of FIG.

This forage wagon A is formed in a box-like shape on the upper surface side of a towed truck frame 1 having a tow rod 10 at a front end and a running wheel 11 at a rear end. Is mounted on the floor of the packing box 2, and a floor conveyor 3 for conveying the packing box 2 is mounted on the floor of the packing box 2, and an elevator device 4 inclined obliquely rearward and upward is provided on the rear end side of the packing box 2. When harvesting forage crops such as corn with a harvester such as a corn harvester, the harvester is towed by the harvester at the same time or by a tractor that accompanies it, and harvested by the harvester. The forage, which is the harvested material that is shredded and released, is received and loaded into the packing box 2 of the forage wagon A,
When it is full, it is transported to a storage place, where the elevator 4 installed on the rear end side of the packing box 2 is used to unload the harvested goods.

[0004]

However, in such a conventional forage wagon A, the forage wagon A which is harvested by the harvester and accompanies the shredded crop is placed in the packing box 2 of the forage wagon A. Harvesting work is performed while loading by blowing, and when it is full, it is transported to a storage place, where the forage loaded by the operation of the floor conveyor 3 mounted on the floor of the packing box 2 is transported backward. In the meantime, the structure is designed to be carried out and discharged by the elevator device 4 provided on the rear end side of the packing box 2, but the forage blown into the packing box 2 from the harvester during the harvesting operation is in a blown state. Because the loading density is low, harvesting by the harvester is interrupted in the middle of the work, the forage wagon is stopped, and the worker gets into the packing box 2 and puts it in the packing box 2. Workers step on the loaded forage and compress it with their feet, thereby creating a loading space, restarting the work, and blowing the forage into the resulting loading space to increase the loading density and increase the transport volume There is a problem that the inefficient work of making the user perform the work must be performed.

[0005] The present invention has been tested in view of such a conventional problem, and a forage which is shredded and blown into a packing box can be removed without interrupting the harvesting operation. It is an object of the present invention to provide a new means for solving the above-mentioned problem by allowing the load density to be increased by compressing from the rear toward the rear in a timely manner.

[0006]

Means for Solving the Problems In the present invention, as means for achieving the above-mentioned object, there is provided on a top surface side of a body frame which travels by itself or by being pulled.
A packing box formed in a box shape is mounted on the front end side of the packing box, and a movable compression wall is provided at the front end side of the packing box so as to freely move in the front-rear direction between the left and right side walls of the packing box along the upper surface of the packing box floor plate. , A forage wagon characterized by linking a reciprocating mechanism for moving the compression movable wall back and forth by hydraulic drive to the compression movable wall, and also for a body frame that travels by itself or driven by towing. On the upper surface side, a gantry-shaped packing box base is mounted so as to be dumped backward with respect to the body frame, and a box-shaped packing box is mounted on the upper surface side of the packing box base, and the On the front end side of the box, a movable compression wall is provided that freely moves in the front-rear direction along the upper surface of the floor board of the packing box between the left and right side walls of the packing box, and between the movable compression wall and the packing box base, A reciprocating mechanism for moving the compression movable wall back and forth by hydraulic drive is connected to the bridge. It is intended to raise the Four storage wagon.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A forge wagon according to the present invention is a box formed in a box shape having an open upper part on a top surface side of a bogie-shaped body frame which is driven by being towed or self-propelled. As in the previous Forage wagon, to receive and load the forage that is shredded and released from the harvester inside the packing box of this However, at the front end side of the packing box, there is provided a compression movable wall which can reciprocate along the front-back direction in the packing box, and the compression movable wall is actuated by a hydraulic device to operate the compression movable wall. And a reciprocating mechanism for reciprocating the back and forth.

[0008] Then, the floor conveyor of the conventional means is not provided on the floor surface of the packing box, and the compression movable wall moves a predetermined distance backward in the packing box along the upper surface of the floor plate. With this operation, the forage received and loaded in the packing box is compressed while moving and accumulating toward the rear part in the packing box.

[0009] Further, at the rear end side of the packing box, the forage discharging elevator provided in the conventional means is not provided, and the forecoming movable wall is moved rearward by the reciprocating mechanism. In cooperation with the operation of accumulating, a door is provided for compressing it.

This door is provided with an opening on the rear end side of the packing box in the form of an opening / closing door that opens and closes. In connection with a lock mechanism that keeps the door closed at the closed position, when the harvesting operation for receiving the harvest is performed,
The rear side of the packing box is kept closed.

When the forage, which is harvested material, is filled in the packing box and the harvested material is discharged from the packing box, the lock mechanism is released, the door is opened, and the movable compression wall is moved backward. The movement of the crop is performed so that the crop is discharged.

At this time, the hydraulically driven reciprocating mechanism for moving the compression movable wall backward is not only a compression operation for compressing the harvested product in the packing box to form a loading space, but also a compression operation for forming the loading space. In order to obtain a discharge stroke for discharging the harvested material from the opening on the back of the packing box to the rear, a multi-stage cylinder or a base frame of the reciprocating mechanism can be moved back and forth And the support frame may be pushed out to the rear of the packing box by a hydraulically driven reciprocating mechanism separately provided for discharging.

The compression movable wall provided on the front end side of the packing box so as to move back and forth in the packing box has an outer surface with respect to the inside of the packing box so that the reciprocating movement thereof can be performed smoothly. An upper frame and a lower frame are provided on the front side to protrude toward the front of the compression movable wall, and are formed in a frame shape in a side view, and left and right ends of the upper frame. Department
It is effective to bring the lower frame into sliding contact with the upper surface of the floor plate of the packing box, by sliding the guide frame on the inner surface of the left and right side walls of the packing box in the front-rear direction.

[0014] On the upper surface of the upper frame, when the movable movable wall enters the packing box, the harvest that is continuously discharged from the harvester into the packing box and thrown into the packing box is filled with the compressed movable wall. In order to prevent the water from flowing into the front side of the wall, a top plate is provided that protrudes forward in a shelf shape from the upper edge of the compression movable wall along the upper surface of the upper frame. A portion of the upper opening of the packing box, which is located forward of the movable wall, is sequentially closed and closed. It is effective to provide a scraper for scraping the crops accumulated on the top plate into the packing box when the wall performs the operation of returning to the front.

The cargo box may be configured so that the entire cargo box is dumped rearward with respect to the body frame in order to facilitate the discharge operation of the loaded and stored harvest. In this case, a lock mechanism for holding a door that can be opened and closed on the rear end side of the packing box in a closed state may be provided, or the locking mechanism may perform a releasing operation using an operation in which the packing box rotates. The linkage mechanism can be linked and controlled.

At least the left and right side walls and the floor plate of the packing box are made of a resin plate having low frictional resistance or a resin coating material at least in contact with the movable compression wall moving back and forth in the seedling box. Thus, the movement of the movable compression wall may be smooth.

In order to prevent the movable movable compression wall from floating during the operation of compressing the crop in the packing box, the movable movable lower wall is lowered downward at the rear side of the movable movable wall. In some cases, the inclined plate protruding while sliding and the sliding plate slidably contacting the upper surface of the floor plate of the packing box are provided in a triangular shape in a side view.

[0018]

Next, the present invention will be described with reference to the drawings. 2 to 10 show an embodiment of the present invention.

This embodiment is an example in which a towed type forage wagon A is connected to a towing vehicle such as a tractor and travels, and FIG. 2 is a plan view and FIG. 3 is a side view. In the figure, 1 is a body frame of a forage wagon A, 2 is a packing box mounted on the upper surface side of the body frame 1, 5 is a movable compression wall provided on the front end side of the packing box 2 so as to be movable back and forth, 6 Denotes a door openably and closably provided at an opening on the rear end side of the packing box 2, and w denotes a hydraulically driven reciprocating mechanism for reciprocating the movable compression wall 5 back and forth.

The vehicle body frame 1 is formed into a bogie having a tow rod 10 at the front end and a running wheel 11 at the rear end.

The cargo box 2 mounted on the upper surface side of the body frame 1 is formed by a floor panel 20 and left and right side walls 21 and 21 into front and rear ends and a channel shape open upward, and a front end thereof. On the side, slide on the floor plate 20 and the left and right side walls 21.2
A door that opens and rotates upward and rearward around a support shaft 60 provided on the rear end side of the left and right side walls 21 on the rear end side is provided with a movable compression wall 5 that moves back and forth between the two. 6 to form a box with an open top, and
The packing box 2 is provided on the upper surface side of the vehicle body frame 1 with a pivot 2
Packing box base 2 mounted so that it can be dumped around 2 centers
3 is supported at a position slightly rearward on the upper surface of the upper surface of the compression box 3, and the front end side of the upper surface of the packing box base 23 includes a reciprocating mechanism for compression of a reciprocating mechanism w for moving the movable compression wall 5 back and forth. Mechanism w
1, and a reciprocating mechanism w2 for discharging is mounted on the lower surface side thereof.

The movable compressible wall 5 has a horizontal upper frame 5 at the upper and lower portions on the front side, which is the outer side of the inner space of the packing box 2.
a and the lower frame 5b are provided so as to protrude forward,
The support frame 5c extending between the upper frame 5a and the lower frame 5b is assembled in a base frame shape in a side view.

A · a are arranged so as to correspond to the upper surfaces of the right and left ends of the upper frame 5a, and the left and right side walls 2 of the packing box 2 are arranged.
A guide member provided in the front and rear direction on the inner surface of the first and second parallel to the moving direction of the movable compression wall 5, slides in contact with the upper surface of the upper frame 5 a when the movable movable wall 5 moves, and the movement thereof And acts to guide smoothly.

In FIG. 4, b1... Correspond to the upper frame 5a.
A guide roller mounted on the upper surface of both left and right sides of the guide member so as to rotate in contact with the lower surface of the guide members a and b;
Are guide rollers mounted on the left and right side surfaces of the upper frame 5a so as to abut against the inner surfaces of the left and right side walls 21 of the packing box 2, and b3 is a lower surface of the lower frame 5b.
The guide rollers are mounted on the left and right side surfaces of the packing box 2 so as to rotate in contact with the inner surfaces of the left and right side walls 21.

In FIG. 6 and FIG. 7, reference numeral 51 designates a movable compression wall to prevent the movable compression wall 5 from floating due to harvest when the movable compression wall 5 moves backward to perform a compression operation or a discharge operation. A sliding plate 52 is provided at the lower portion on the rear side of the rear surface 5 so as to be inclined downward and protrude rearward. A sliding plate 52 slidingly contacting the upper surface of the floor plate 20 is connected to the lower end side.

In FIGS. 6 and 7, reference numeral 24 denotes an upper front portion of the packing box 2 as viewed from the side, at a position substantially aligned with the frontmost stop position of the movable compressible wall 5 so as to be inclined downward from the front to the rear. The installed receiving plate guides the crops to be thrown into a portion near the front end side in the packing box 2 toward a central portion in the packing box 2 and also forms an upper frame 5a of a movable compression wall 5 described later.
The harvest that accumulates on the top plate 50 provided on the upper surface of
When the movable movable wall 5 returns to the front, the movable movable wall 5 scrapes into the packing box 2.

On the upper surface of the upper frame 5a of the movable movable wall 5, while the movable movable wall 5 is moving backward to compress the harvest in the packing box 2, the harvest blown from the harvester. 4, a flat top plate 50 is fixed so as not to enter the compression space formed in front of the movable movable wall 5, and during the compression operation of the movable movable wall 5, as shown in FIG. When the blown crop accumulates on the top plate 50 and moves forward with the end of the compression, the crop on the top plate 50 is moved by the lower portion of the receiving plate 24 as shown in FIG. Is scraped down toward a compression space in the packing box 2 generated by the forward movement of the compression movable wall 5, and the crop is blown into this space. This reciprocating operation of the movable compression wall 5 in the front-rear direction is intermittently repeated about two to three times during the harvesting operation, so that the harvested product in the packing box 2 is full.

In this embodiment, the hydraulically driven reciprocating mechanism w for moving the compression movable wall 5 back and forth is a compression mechanism for compressing the crop loaded in the packing box 2 to form a loading space. In this example, the reciprocating mechanism w1 is divided into a reciprocating mechanism w1 and a reciprocating mechanism w2 for discharging backward from the packing box 2 when the harvest is full.

In this example, a reciprocating mechanism w1 for compressing the crop in the packing box 2 by reciprocating the movable movable wall 5 back and forth is a hydraulic device mounted on the towing vehicle side in this example. The hydraulic cylinder is a hydraulic cylinder in which a piston expands and contracts by hydraulic pressure guided from the front, and is disposed on the front end side of the aforementioned packing box base 23.

When the crop loaded in the packing box 2 is full, the compression movable wall 5 is pushed out to the rear end side of the packing box 2 to discharge the crop to the rear of the packing box 2. In this example, the reciprocating mechanism w2 for compression is constituted by a hydraulic cylinder in the same manner as the reciprocating mechanism w1 for compression described above, and is arranged on the lower surface side of the reciprocating mechanism w1 for compression to load. Box base 2
It is supported on 3.

As shown in FIG. 5, the discharge reciprocating mechanism w2 composed of the hydraulic cylinder has a base end of a cylinder portion 70 connected to a front end portion of the packing box base 23 via a bracket 230. , On the outer periphery of the cylinder portion 70,
A support frame 71 formed in the shape of a rectangular tube is slidably fitted to the cylinder portion 70 in the front-rear direction.
1, the rear end side protrudes freely into and out of a longitudinally long rectangular tubular guide frame 72 fixedly mounted at the central portion of the upper surface of the floor plate 20 of the packing box 2 in the left-right direction. In the guide frame 72, a connecting member 74 is attached to a protruding end of a piston portion 73 protruding from the cylinder portion 70 so as to be able to enter and exit.
And the piston portion 73 is extruded so that the rectangular cylindrical support frame 71 is extruded therewith.

The reciprocating mechanism w1 for compression composed of the above-mentioned hydraulic cylinder has its base end of the cylinder part 75 connected and supported on the upper surface on the front end side of the support frame 71 via a bracket 76. A protruding end of a piston portion 77 protruding from and out of the cylinder portion 75 is connected to a connection fitting 78 provided on the front side of the compression movable wall 5 as shown in FIG. When the reciprocating mechanism w1 performs the operation of pushing out the piston portion 77, the compression movable wall 5 pushes out backward, and the piston portion 77
In the state where the extrusion operation of the stroke reaches the stroke end,
By performing the extrusion operation on the reciprocating mechanism w2 for discharging,
Support frame 7 supporting reciprocating mechanism w1 for compression
1 is pushed rearward, and further, the movable compression wall 5 is pushed backward.

When the crops are fully loaded in the packing box 2 in a compressed state, the forage wagon A is moved to transport the crops to a predetermined place, where the hydraulic cylinder S for discharging is used.
The discharge operation is performed by the operation of 2.

S indicates the packing base 2 during the discharging operation.
FIG. 8 is a hydraulic cylinder device for dumping, in which the packing box 2 is dumped and turned by tilting and rotating the packing box 2 backward about the rotation fulcrum 22.
As shown in the figure, the bridge is bridged between the front and rear intermediate portion of the packing box base 23 and the front and rear intermediate portion of the body frame 1,
By this operation, the cargo box 2 acts to rotate the dump truck backward.

A door 6 is provided at an opening on the rear end side of the packing box 2 so as to open and rotate about the support shaft 60. A lock mechanism 8 is provided at a rear end portion on the lower surface side of the packing box 2. Are connected, so that the door 6 can be moved during the harvesting operation and the transporting operation.
Locked in closed position.

The locking mechanism 8 is formed in an angle shape in which an arm extending rearward is provided with a locking hook 80, and is freely rotated about a fulcrum shaft 81 at the rear end side of the lower surface of the packing box 2. Metal fitting 82 which is pivotally supported so as to be connected thereto, and a connecting link 83 whose rear end side is connected to the other arm hanging down therefrom.
And a fixed support arm 85 raised from the support shaft 110 of the traveling wheel 11, and the link 83 provided at the upper end thereof.
The connecting shaft 84 provided on the upper end side of the supporting arm 85 is deviated upward with respect to the pivot 22 of the packing box base 23.

When the packing box base 23 is in a horizontal position, the locking hooks 80
The arm on the side provided with is provided with a posture along the bottom surface of the packing box 2, and the locking hook 80 is provided on the locking pin 61 provided on the lower end of the door 6.
When the packing box base 23 starts dumping rotation around the rotation fulcrum 22, the link 83 is pulled forward with respect to the rear end of the packing box 2. The stopper 82 rotates clockwise about the fulcrum shaft 81 to release the lock.

The door 6 is provided at the upper end thereof with a connecting arm 62 extending upward beyond the support shaft 60, and supports the base end of the hydraulic cylinder device S for dumping. A link 64 is provided between the bracket 63 and the slot 6.
When the cargo box 2 is dumped and pivoted, the door 6 is opened and pivoted in conjunction therewith.

Accordingly, when the hydraulic pressure is sent to the hydraulic cylinder device S and the packing box 2 is tilted backward and rotated to dump, the lower end of the packing box 2 on the lower surface side is interlocked with the dumping operation. Is unlocked, and at the same time, the door 6 rotates counterclockwise about the support shaft 60 in conjunction with the dump rotation of the packing box 2 and opens.

When the packing box 2 is in the maximum dumping state, the operating levers c juxtaposed to the hydraulic control box C are arranged.
, First, the reciprocating mechanism w1 for compression is pushed out to the stroke end thereof, and then the reciprocating mechanism w2 for discharging is operated, so that the crop loaded in the packing box 2 is Extruded and ejected.

When the discharge of the crop is completed, the reciprocating mechanism w2 for discharging is contracted, and then the reciprocating mechanism w1 for compression is contracted.
Further, when the hydraulic cylinder device S for dumping is contracted, the door 6 is closed, and at the same time, the lock mechanism 8 is moved to the lock position, and the door 6 is locked so that the harvest can be blown into the packing box 2.

Next, FIG. 10 shows another embodiment.
In this embodiment, only the reciprocating mechanism w1 for compression is disposed on the upper surface side of the floor plate 20 of the packing box 2, and the reciprocating mechanism w2 for discharging and the reciprocating mechanism w1 for compression provided on the outer periphery thereof are supported. As shown in FIG. 11, the support frame 71 and the guide frame 72 are arranged on the lower surface side of the floor plate 20 so that the entire upper surface side of the floor plate 20 is made a flat surface without unevenness.

Next, FIG. 12 shows another embodiment. In this example, a hydraulic drive reciprocating mechanism w is formed in a multi-stage hydraulic cylinder, and the compression and discharge of the crop in the packing box 2 can be performed by one multi-stage hydraulic cylinder. Thus, the number of parts can be reduced, and at the same time, the height of the packing box 2 can be reduced.

Next, FIGS. 13 and 14 show still another embodiment. In this embodiment, a hydraulically driven reciprocating movement for reciprocating a movable compression wall 5 provided on the front end side of the packing box 2 so as to freely move in the front-rear direction between left and right side walls of the packing box 2 is provided. This is a modification of the mechanism w.

In this example, left and right shafts 90 and 91 are supported at the front end and the rear end of the packing box base 23 on which the packing box 2 is supported, and one of the shafts 91 is connected to a hydraulic motor. The drive shaft is transmitted to the output shaft of M, and the other is a driven shaft that follows and rotates.

The shafts 90 and 91 are supported by sprockets 92... Arranged so as to face each other in the front and rear directions, and chains 93 and 93 are mounted on the shafts 90 and 91. Around the upper surface of the chain, and endlessly wind around the lower surface side of the floor plate 20 so as to rotate on the lower surface side thereof. By connecting, by rotating the rear shaft 91 as a drive shaft in the forward and reverse directions by the drive of the hydraulic motor M, the compression movable wall 5 reciprocates back and forth along the upper surface of the floor plate 20 of the packing box 2. It is.

This embodiment is the same as the embodiment shown in FIGS. 2 to 12 except for a reciprocating mechanism w for reciprocating the compression movable wall 5 back and forth. The same reference numerals are given to the members, and the detailed description is omitted.

[0048]

As described above, the forage wagon according to the present invention is adapted to follow or follow the harvested material which is harvested by a harvester such as a forage harvester or a corn harvester, shredded and blown out. In the work of receiving and loading in the storage box of a storage wagon, transporting it to a predetermined place and unloading it, it is provided at the front end side of the packing box when compressing the harvested goods received in the packing box to load it densely The compressed movable wall is pushed backward by a predetermined stroke by a hydraulically driven reciprocating mechanism to compress the harvested product, which is returned to the front in the packing box, thereby compressing the packing box. A crop loading space is formed therein, the crop is received therein, and the operation of the movable compression wall is repeated several times, so that the crop can be loaded at a high density. Then, the compression of the crop and the formation of the loading space by the operation of the movable compression wall can be performed while receiving the crop from the harvester, so that the harvesting operation by the harvester can be performed without interruption. Moreover, when unloading the crop, by moving the compressible movable wall to the rear end side in the packing box, the crop can be discharged using the compressible movable wall.

Therefore, compared with the conventional forage wagon, the loading of the crop in a compressed state can be performed with high efficiency, and the unloading time can be shortened.

Further, the valve related to the hydraulic operation lever is an electromagnetic valve, and its operation switch is mounted near the tractor driver's seat, or the hydraulic control device and its control lever are separated from the wagon and mounted near the tractor driver's seat. By doing so, it is possible to obtain an effect that these operations can be easily performed without leaving the driver's seat at all.

In addition, the unloading is performed while being compressed at a high density.
It is possible to obtain a silage feed by sealing and storing the shredded material unloaded for pushing out and discharging with a vinyl sheet or the like without performing a stepping work using a tractor or the like.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a conventional forage wagon.

FIG. 2 is a plan view of a forage wagon embodying the present invention.

FIG. 3 is a side view of the forage wagon.

FIG. 4 is a perspective view of a main part of the forage wagon;

FIG. 5 is a perspective view of a hydraulic cylinder for compression and a hydraulic cylinder for discharge of the forage wagon;

FIG. 6 is a partially broken side view showing a state where the movable movable wall of the forage wagon performs an operation of compressing a load.

FIG. 7 is a partially cutaway side view showing a state in which the compression movable wall of the forage wagon performs a return stroke after performing a compression operation to form a loading space in a packing box.

FIG. 8 is a partially broken side view showing a state in which the cargo box of the forage wagon is dumped to discharge a load.

FIG. 9 is a vertical sectional rear view of the packing box of the forage wagon.

FIG. 10 is a side view of another embodiment of the forage wagon;

FIG. 11 is a longitudinal rear view of the packing box of the embodiment.

FIG. 12 is a side view of still another embodiment of the forage wagon;

FIG. 13 is a plan view of still another embodiment of the forage wagon.

FIG. 14 is a vertical sectional side view of the embodiment.

[Explanation of symbols]

A: Forage wagon, a: Guide member, b1, b2
B3: Guide roller, C: Hydraulic control box, c:
Operating lever, w: reciprocating mechanism, w1: reciprocating mechanism for compression, w2: reciprocating mechanism for discharging, S: hydraulic cylinder device for dumping, 1 ... body frame, 10 ... tow rod, 11 ...
Running wheel, 110: support shaft, 2: packing box, 20: floor plate, 21 ...
Side wall, 22: Rotating fulcrum, 23: Packing box base, 230: Bracket, 24: Receiving plate, 3: Floor conveyor, 4: Elevator device, 5: Compression movable wall, 5a: Upper frame, 5b: Lower frame, 5c ... support frame, 50 ... top plate, 51 ... inclined plate, 52 ...
Sliding plate, 6 ... door, 60 ... spindle, 61 ... locking pin, 62 ...
Linking arm, 63 ... Bracket, 64 ... Linking link, 6
5 ... elongated hole, 66 ... connecting pin, 70 ... cylinder part, 71 ...
Support frame, 72: guide frame, 73: piston part, 7
4 ... connecting member, 75 ... cylinder part, 76 ... bracket,
77 ... piston part, 78 ... connecting bracket, 8 ... lock mechanism,
80: locking hook, 81: fulcrum shaft, 82: locking bracket, 8
3 ... connecting link, 84 ... connecting shaft, 85 ... support arm, 9
0: shaft (driven shaft), 91: shaft (drive shaft), 92: sprocket, 93: chain.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Mikihiko Masada 2828 Natsumi, Nabari City, Mie Prefecture Inside Taka Kita Co., Ltd. Takashi Nakabo 2828 Natsumi, Nabari City, Mie Prefecture Inside Taka Kita Corporation (72) Inventor Masanobu Okumura 2828 Natsumi, Nabari City, Mie Prefecture Inside Taka Kita Corporation

Claims (8)

[Claims] 1. A box-shaped cargo box is mounted on an upper surface side of a vehicle body frame which runs by itself or towed,
At the front end side of the packing box, a movable compression wall is provided that moves freely in the front-rear direction along the top surface of the packing box between the left and right side walls of the packing box. A forage wagon with a reciprocating mechanism that moves the wall back and forth. 2. A gantry-shaped packing box base is mounted on an upper surface side of a vehicle body frame running by itself or towed by a towed vehicle so as to be dumped rearward with respect to the vehicle body frame. A compression movable wall on which a box-shaped packing box is mounted on the upper surface side, and which is freely movable in the front-rear direction between the left and right side walls of the packing box along the upper surface of the packing box floor plate on the front end side of the packing box. A forage wagon characterized by having a reciprocating mechanism for hydraulically driving the movable compression wall to move back and forth between the movable compression wall and the packing box base. 3. A movable compressible wall, which moves back and forth between the left and right side walls of the packing box along the upper surface of the floor plate of the packing box, is provided on the front end side of the packing box at the front and lower sides thereof. Protruding upper frame and lower frame are provided and formed in a frame shape in side view, a top plate is provided on the upper surface of the upper frame, and the lower edge is on the upper surface of the top plate on the front end side of the packing box. The forage wagon according to claim 1 or 2, further comprising a receiving plate that is inclined downward from the front to the rear so as to slide. 4. A hydraulically driven reciprocating mechanism w for actuating the movable compression wall 5 is divided into a reciprocating mechanism w1 for compression and a reciprocating mechanism w2 for discharging, and these are vertically arranged in parallel. Then, the base end side of the reciprocating mechanism w1 for compression is supported via a bracket 76 on the front end of the support frame 71 which moves back and forth by the reciprocating mechanism w2 for discharging. The forage wagon according to claim 1 or 2, wherein the base end is connected to and supported by the packing box base (23) via a bracket (230). 5. A packing box base 23 for supporting the packing box 2 is supported on the vehicle body frame 1 so as to be dumped rearward around the rotation fulcrum 22 and interlocked with the operation of the dumping rotation of the packing base 23. The vehicle frame (1) and the door (6) are linked via a link (64) so that the door (6) provided to be openable and closable at an opening on the rear side of the packing box (2) is opened. 2. The forage wagon according to 2. 6. A resin plate or a resin coating material at least in the left and right side walls 21 and 21 and the floor plate 20 of the packing box 2 in sliding contact with the compression movable wall 5. Item 4. A forage wagon according to item 2. 7. A front-rear direction guide member a is provided at a position corresponding to the left and right side portions of the upper frame 5a of the compressible movable wall 5 on the inner surface of the left and right side walls 21 of the packing box 2. 5a
A guide roller b slidingly contacting the guide members a
The forage wagon according to claim 1 or 2, further comprising guide rollers (b2) slidingly contacting the right and left side walls (21). 8. An inclined plate 51 is provided at a lower portion on the rear surface side of the compression movable wall 5 so as to extend downward in the left and right direction toward the floor plate 20 in the packing box 2. Or the forage wagon according to claim 2.