JPH10315978A - Crop loading device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a crop loading device which can carry out crops loaded on a load-carrying platform plate from the load-carrying platform plate smoothly, eliminates a necessity of lifting and carrying out the crops from the load-carrying platform plate, can correspond to ageing of persons engaged in agriculture, and can improve the work efficiency. SOLUTION: A crop loading device is provided with a work machine main body which harvests and conveys crops and a loading bogie 13 which is towed by the work machine main body and loads the crops carried out from the work machine main body. The bogie 13 has a connection frame 14 fixed on the work machine main body pivotally in such a way that it can turn freely in the vertical direction, a bogie frame 17 which is connected with the connection frame 14 through a connection shaft 15 in such a way that it can turn freely in the vertical direction and on which ground contact wheels 16 are rotatably stretched on its shaft in both side parts thereof, a load-carrying platform plate 18 which is fixed to the bogie frame 17 and loads the crops, and a bogie frame movable means 19 which holds the load-carrying platform plate 18 of the bogie frame 17 substantially horizontally when the crops are loaded, turns the bogie frame 17 centered on the connection shaft 15 when the crops are carried out, and lowers and tilts the load-carrying platform plate 18 backward and downward.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crop loading apparatus, for example, which harvests and transports crops such as potatoes and loads and transports these crops.

[0002]

2. Description of the Related Art Conventionally, as a crop loading apparatus of this kind, for example, crops such as potatoes are dug and transported by a harvester, loaded into a container on a cart, and transported. ing. In this case, the harvester includes a tip for excavating crops such as potatoes from a field, and a conveyor connected to the rear end of the tip and transporting the crop from the tip toward the rear and upward. The configuration is adopted. In addition, the truck is connected to a rear end of the harvester by a hitch, and has a configuration including a grounding wheel rotatably mounted on a shaft and a carrier plate on which the container is placed. . The crops such as potatoes are carried out from the carry-out end of the conveyor of the harvester into a container on the carrier board of the bogie, loaded and transported by the bogie.

[0003]

In the conventional crop loading apparatus, the bogie is only connected to the rear end of the harvester by a hitch and is towed. By loading the container, it is necessary to lift and transport the container when lowering it from the loading board, and it takes too much labor to transport the heavier container to accommodate the crops, In addition to being unable to cope with the aging of workers, it is not preferable in improving the efficiency of harvesting work, and the harvester must be able to smoothly turn when the grounding wheel of the bogie is in contact with the ground when turning the harvester. There is a problem that can not be.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and enables crops loaded on a carrier plate to be smoothly carried out from the carrier plate, and the crops are lifted from the carrier plate and carried out. A crop loading device that eliminates the need, can sufficiently cope with the aging of agricultural workers, can improve the efficiency of harvesting work, and can lift the bogie as needed when turning, etc. while being connected to the work machine body The purpose is to provide.

[0005]

According to a first aspect of the present invention, there is provided a crop loading apparatus comprising: a work machine body for harvesting and transporting a crop; and a crop towed by the work machine body and carried out of the work machine body. And a connecting frame, which is pivotally mounted on the main body of the working machine so as to be rotatable in a vertical direction, and is connected to the connecting frame so as to be rotatable in a vertical direction via a connecting shaft. A bogie frame in which grounding wheels are rotatably supported on both sides, a loading board fixed to the bogie frame for loading the crop, and a loading board for the bogie frame which is held substantially horizontally when loading the crop. And a carriage frame moving means for rotating the carriage frame about the connection shaft to tilt the loading plate downward and downward toward the rear.

[0006] When loading the crop, the truck frame moving means is operated to rotate the bogie frame around the connecting shaft of the connecting frame by the bogie frame moving means, and the loading plate of the bogie frame is moved. It is moved and held substantially horizontally.

Further, as the work machine body advances, the bogie is pulled by the work machine body. Then, while the crops are sequentially harvested in the working section of the working machine body,
These crops are sequentially transported in the transport direction by the transport unit of the work machine body, and the crops are sequentially transported from the discharge end of the transport unit and are sequentially loaded on the carrier plate of the cart.

[0008] When a predetermined amount of crops are loaded on the loading board of the cart, the cart frame moving means is operated to operate the cart frame moving means so that the cart frame is moved around the connecting shaft. While being pivoted rearward and downward, the carrier plate fixed to the bogie frame is inclined downward and rearward and downward. Then, the crop loaded on the carrier plate is smoothly carried out from the carrier plate toward the inclination direction of the carrier plate.

According to a second aspect of the present invention, in the crop loading apparatus according to the first aspect, the connecting frame includes a mounting member for mounting the bogie frame when the carrier plate is held substantially horizontally. Have

A bogie frame having a carrier plate held substantially horizontally is mounted on the mounting member of the connecting frame, and the bogie frame is supported by the mounting member of the connecting frame with good stability. You. Therefore, the crop is easily loaded on the carrier board of the bogie frame.

According to a third aspect of the present invention, there is provided the crop loading device according to the first aspect, wherein the bogie frame includes connecting members on both sides rotatably connected to a connecting shaft provided on the connecting frame; A support member spaced forward from the connection shaft and fixed between the connection members on both sides; and a grounding wheel rotatably mounted on both sides of the support member so as to be inclined rearward and downward, respectively, so as to be rotatable. And a supporting arm that is bridged.

Then, the bogie frame is easily rotated about the connecting shaft by the connecting members on both sides, and the connecting members on both sides are maintained at an interval by a supporting member, and are also provided on both sides of the supporting member. The grounding wheels are grounded by the supporting arms, and the bogie frame is reliably pushed up and rotated by the grounding wheels on both sides when the crop is carried out. In addition, the strength of the carrier plate is enhanced by the connecting members and the supporting members on both sides.

According to a fourth aspect of the present invention, in the crop loading apparatus of the first aspect, the bogie frame moving means is formed by a hydraulic cylinder device.

When loading the crop, the hydraulic cylinder device is operated to rotate the bogie frame around the connecting shaft of the connecting frame by the hydraulic cylinder device, so that the carrier plate of the bogie frame is substantially horizontal. It is moved and held.

When a predetermined amount of crops are loaded on the truck bed of the bogie, when the crops are carried out, the hydraulic cylinder device is operated so that the bogie frame is moved rearward and downward about the connecting shaft by the hydraulic cylinder device. , And the carrier plate fixed to the carriage frame is inclined downward and rearward. Then, the crop loaded on the carrier plate is smoothly carried out from the carrier plate toward the inclination direction of the carrier plate.

According to a fifth aspect of the present invention, there is provided the crop loading device according to any one of the first, third, and fourth aspects, wherein the hydraulic cylinder device is provided on the cylinder body and the cylinder body is capable of moving forward and backward. And a rod, the base end of the cylinder body is pivotally attached to the work machine body in a vertically rotatable manner, and the distal end of the rod is inclined rearward and downward from the support member of the bogie frame. It is rotatably mounted on a protruding connecting piece.

When loading the crop, the hydraulic cylinder device is operated to move the rod forward and backward, whereby the bogie frame is rotated about the connecting shaft of the connecting frame by the rod, and the carrier plate of the bogie frame is loaded. Is moved and held substantially horizontally.

When a predetermined amount of crops are loaded on the truck bed of the bogie, the rods are retracted by operating the hydraulic cylinder device so that the connecting pieces of the support member are pulled by the rods. At the same time, the ground wheels are pulled through the support arms on both sides of the support member.

[0019] By the towing movement of the grounding wheels on both sides, the bogie frame is pushed up and rotated about the connecting shaft by the grounding wheels on both sides, and the bogie frame is moved rearward and downward about the connecting shaft. Pivoted toward
The carrier plate fixed to the carriage frame is inclined downward and rearward. Then, the crop loaded on the carrier plate is smoothly carried out from the carrier plate toward the inclination direction of the carrier plate.

According to a sixth aspect of the present invention, there is provided the crop loading device according to the first aspect, wherein the work implement main body projects above the loading plate and supports a crop container placed on the loading plate. Having a supporting frame.

Then, the crop container placed on the carrier plate is supported by the support frame, and the crop is easily loaded in the crop container.

When a predetermined amount of crops are loaded into the crop container on the loading board, the loading board is tilted downward and rearward and downward, and the loading board is tilted from the loading board. The crop container is carried out smoothly in the direction.

According to a seventh aspect of the present invention, in the crop loading device according to the sixth aspect, the crop container is formed of a flexible crop storage bag, and the crop storage bag is opened at an opening edge. Are supported by the support frame.

[0024] Then, a flexible crop storage bag is placed on the carrier plate, and the opening edge of the crop storage bag is supported by a support frame in a state where the crop storage bag is opened. Crops are easily loaded in bags.

When a predetermined amount of crop is loaded into the crop storage bag on the loading board, the loading board is inclined downward and rearward and downward, and the loading board is moved from above the loading board. The crop storage bag is smoothly carried out in the inclined direction, but when the crop storage bag is carried out, the opening edge of the crop storage bag is smoothly removed from the support frame, and therefore, the crop storage bag is carried out smoothly. You.

[0026]

An embodiment of the present invention will be described below with reference to the accompanying drawings.

Reference numeral 1 denotes a working machine body for harvesting and transporting crops such as potatoes from a field. The working machine body 1 includes a gantry frame 2, a traveling crawler 3, and a tip 4 for digging crops from the field. A conveyor 5 for transporting the crops dug by the tip metal 4 rearward and upward, a sorting conveyor 6 for loading and sorting the crops carried out from the transport conveyor 5, the crawler 3 and both conveyors. And an operation mechanism 7 for operating the fifth and sixth elements.

The gantry frame 2 has a prismatic left-right connecting frame 8 at the rear end and a prismatic left-right mounting frame 9 located below the connecting frame 8. And at the upper end of both ends of the connection frame 8, the columns 10 are respectively erected perpendicularly and integrally with each other.
At both rear portions of the connection frame 8, connection protrusions 11 are integrally provided to project rearward, respectively. The mounting frame 9
A mounting projection 12 is integrally provided rearward at a substantially intermediate portion in the left-right direction.

Reference numeral 13 denotes a truck for loading the crops which are pulled by the work machine main body 1 and carried out from the work machine main body 1. The cart 13 is a connecting frame 14 connected to the work machine main body 1.
And a bogie frame 17 rotatably connected to the connecting frame 14 via a connecting shaft 15 in a vertically rotatable manner and having a grounding wheel 16 rotatably mounted thereon, and a carrier plate fixed to the bogie frame 17
And a bogie frame movable means 19 for rotating the bogie frame 17 about the connection shaft 15.

The connecting frame 14 includes a connecting plate 20 in the front-rear direction, which is disposed parallel to both sides of the connecting frame 8 at intervals so as to be connectable to the connecting protrusions 11 on both sides of the connecting frame 8. A plurality of left and right rod-shaped mounting members 21 for mounting the carriage frame 17 when the loading plate 18 is held in a substantially horizontal state and fixed to the front and rear of the connecting plate 20, respectively, and the connecting plates on the both sides.
And the connecting shaft 15 in the left-right direction, which is inserted between the rear ends of the shafts 20 and is suspended.

The front ends of the connecting plates 20 on both sides of the connecting frame 14 are supported by connecting shafts 22 on the connecting protrusions 11 on both sides of the connecting frame 8. axis
It is connected so as to be rotatable up and down around 22.

The bogie frame 17 has a front-rear side frame member 23 disposed in parallel on both sides, and a left-right front frame integrally fixed to the front ends of the side frame members 23 on both sides. It is formed in a substantially rectangular shape having a frame member 24 and a rear frame member 25 in the left-right direction integrally fixed to the rear ends of the side frame members 23 on both sides.

The side frame members 23 on both sides have front-rear connection members 26 integrally fixed along the lower ends thereof, and the connection members 26 on both side portions are substantially in the front-rear direction. The connecting shaft 15 is rotatably connected in the vertical direction by the connecting shaft 15 inserted into the shaft insertion hole 27 formed at the intermediate portion, and is separated forward from the connecting shaft 15 to between the connecting members 26 on the both side portions. A support member 28 in the form of a prism in the left-right direction is integrally fixed to the support member 28.

The side frame members 23 on both sides are located in front of the support member 28 and are located on the side frame members on both sides.
A reinforcing frame member 29 having a substantially L-shaped cross section in the left and right direction fixed between the 23 and extending from the front side of the reinforcing frame member 29 to the front frame member 24 is provided on the lower surface of the side frame member 23 on both sides. Each of the mounting surfaces 30 that are inclined forward and upward is formed, and the mounting surfaces 30 on both sides are mounted on the mounting member 21 on the front side of the connection frame 14.

The support member 28 has a pair of support arms 31 which are provided on both sides and are integrally inclined and protruded downward and rearward.
The ground contact wheel is provided between the tip of
16 are each rotatably mounted on a shaft. Further, the support member 28 has a pair of connecting pieces 33 protruding integrally and inclined downward and rearward at a substantially intermediate portion, and a mounting hole 34 is formed at a tip end of the pair of connecting pieces 33. Each is formed to face each other.

Further, the bogie frame 17 has a substantially rectangular load carrier plate 18 fixedly supported by the side frame members 23, the front frame member 24, the rear frame member 25, and the reinforcing frame member 29 on both sides. The front and rear guide side plates 36 are integrally provided on both sides of the carrier plate 18 in an upward direction. In addition, the bogie frame 17 includes a boarding plate 37 which is located outside the guide side plates 36 on both sides and fixedly supported by the side frame members 23, the front frame member 24, and the rear frame member 25 on the both sides. A chair body 39 is provided on each of the outer edges of the board 37 on both sides of the board 37 via a support post 38.

A container mounting table 25b is attached to the rear end of the board 37 on both sides of the board via a suspension 25a so as to be vertically rotatable. At the time, it is arranged to protrude substantially horizontally at the rear end of the board 37 on both sides.

Further, the bogie frame movable means 19 comprises:
The hydraulic cylinder device 40 is formed by a hydraulic cylinder device 40.
41 and a rod 42 provided to be able to advance and retreat. A base end of the cylinder body 41 is interposed between the pair of mounting projections 12 of the mounting frame 9 and is rotatably mounted on a left and right support shaft 43 so as to be vertically rotatable. At the distal end, a mounting hole 44 communicating with the mounting hole 34 of the pair of connecting pieces 33 is formed, and the distal end of the rod 42 is interposed between the pair of connecting pieces 33 of the support member 28. Mounting holes
A horizontal support shaft 45 inserted through the mounting hole 44 of the rod 42 and the rod 42
The shaft is rotatably mounted in the vertical direction.

Next, a support frame 46 projecting above the loading plate 18 is attached to the upper portions of the columns 10 on both sides of the gantry frame 2. This support frame 46 is a linear material 47
And a support frame portion 48 having a substantially U-shape in plan view for projecting above the loading board 18 and supporting a crop container described later.
And a vertical portion 49 bent downward from both open ends of the support frame portion 48, and attached to the columns 10 protruding forward from the lower end portion of the vertical portion 49 and protruding forward. Attached portion 50.

Attachment portions on both sides of the support frame portion 48
50 is attached to the column 10 on both sides with a mounting tool 51,
The support frame portion 48 is provided so as to protrude substantially horizontally above the carrier plate 18.

Next, the crop container 52 placed on the loading board 18 is supported by the support frame 46 so as to be freely detachable. The crop container 52 is formed by a container or a flexible crop bag 53 having a predetermined shape. The crop storage bag 53 is formed by opening a top surface with a flexible material, and the opening edge 54 is supported by the support frame 48 of the support frame 46. That is,
An opening edge 54 of the crop storage bag 53 is inserted from the inside of the support frame 48 and turned outward to be supported by the support frame 48.

Next, the operation of the above embodiment will be described.

When loading the crop, the carriage frame moving means
By operating 19, that is, by operating the hydraulic cylinder device 40 and moving the rod 42 forward and backward, the bogie frame 17 with the rod 42 grounds the grounding wheels 16 on both sides of the connecting frame 14 The front part of both side frame members 23 of the bogie frame 17 is mounted on each mounting member 21 of the connecting frame 14, and the carrier plate 18 of the bogie frame 17 is substantially horizontal. Is held. The carriage frame 17 is supported by the mounting members 21 of the connection frame 14 with good stability, and the carrier plate 18 of the carriage frame 17 is supported with good stability.

A crop container 52, that is, a crop storage bag 53 is placed on the loading board 18, and an opening edge 54 of the crop storage bag 53 is provided.
Is inserted from the inside of the support frame portion 48 and folded back outward to be engaged, whereby the crop storage bag 53 is supported by the support frame portion 48 with the upper surface opened. At this time, the crop storage bags 53 on the loading board 18 are supported from both sides by the guide side plates 36 on both sides of the loading board 18. The crop storage bag 53 prepares for loading of the crop.

Next, when the drive mechanism of the operating mechanism 7 is operated by operating the operating mechanism 7 of the work machine main body 1, the crawler 3 is operated by the drive source to make a round trip.
The work machine main body 1 is advanced by the crawler 3, and the bogie 13 is pulled by the work machine main body 1 with the grounding wheel 16 grounded.

Then, crops such as potatoes in the field are sequentially dug up by the tip 4 of the working machine body 1, and each of these crops is sequentially carried into the conveyor 5 from the tip 4.
The conveyor 5 sequentially conveys the rearward and upward directions in the conveying direction, and is conveyed from the unloading end of the conveyor 5 to the sorting conveyor 6, where the crops are sequentially conveyed rearward. You.

Each crop conveyed by the sorting conveyor 6 is sequentially sorted by a worker sitting on a chair body 39 at both end portions of both boarding boards 37 according to a predetermined standard such as large and small. Each of the reached crops is carried out from the carry-out end of the sorting conveyor 6, and is sequentially loaded into the crop storage bags 53 on the loading board 18 of the cart 13.

At this time, since the carrier plate 18 of the carriage frame 17 is supported with good stability, the crops are easily loaded into the crop storage bag 53 on the carrier plate 18. Further, when crops are loaded in the crop storage bag 53, the flexible crop storage bags 53 are supported from both sides by the guide side plates 36 on both sides on the loading board 18, so that the flexible crop storage bags are supported. 53 is prevented from collapsing to the side.

Next, the crop accommodating bag on the carrier plate 18 of the cart 13
At the time of unloading of a crop having a predetermined amount of crop loaded in 53, by operating the bogie frame moving means 19, that is, by operating the hydraulic cylinder device 40 and retracting the rod 42, the rod 42 is retracted. The pair of connecting pieces 33 at the intermediate portion of the support member 28 are pulled by
The grounding wheels 16 are respectively towed via a pair of support arms 31 on both sides of 28.

Then, by the towing movement of the grounding wheels 16 on both sides, the supporting members 28 are pushed up by the grounding wheels 16 on both sides via the respective pair of supporting arms 31, and the two sides having the supporting members 28 The connecting member 26 of the connecting frame 14
The bogie frame 17 having the connecting members 26 on both sides of the bogie frame 17 is rotated rearward and downward about the connecting shaft 15 so that the bogie frame 17 The carrier plate 18 fixed to the bottom is inclined downward and rearward.

When the carrier plate 18 is lowered and inclined, the crop storage bag 53 loaded with a predetermined amount of the crop on the carrier plate 18 smoothly slides from the carrier plate 18 toward the inclination direction of the carrier plate 18. However, when the crop storage bag 53 is carried out, the opening edge 54 of the crop storage bag 53 is smoothly removed from the support frame portion 48 of the support frame 46 due to the weight of the crop storage bag 53,
In addition, the crop storage bags 53 are provided on the guide side plates 36 on both sides of the loading plate 18.
, And is smoothly slid down in the direction of inclination of the loading board 18, so that the crop storage bag 53 is smoothly carried out from the loading board 18.

Although depending on the amount of the crop loaded in the crop storage bag 53, the opening edge portion 54 of the crop storage bag 53 slides down in the direction of inclination of the carrier plate 18 and is bound after being carried out. The opening edge of the crop storage bag 53 may be closed.
Before being carried out of the carrier plate 18, the carrier frame 46 may be detached from the support frame portion 48 of the support frame 46, bound and closed, and then may be slid down in the inclined direction of the carrier plate 18 and carried out.

Next, after the crop storage bag 53 is carried out from the loading board 18, the hydraulic cylinder device 40 is operated to operate the rod.
When the rod 42 is advanced, the support member is
A pair of connecting pieces 33 at the middle part of 28 are pushed rearward and upward, and the supporting member 28 is lowered by the pair of connecting pieces 33, and a pair of supporting members on both sides of the supporting member 28 are supported. The ground wheels 16 are respectively moved rearward via the arms 31.

Further, due to the pushing movement of the grounding wheels 16 on both sides, the support members 28 are moved by the pair of supporting arms 31 on the grounding wheels 16 on both sides, and the weights of the bogie frame 17 and the carrier plate 18 are moved. The connecting members 26 on both sides having the supporting members 28 are pivoted forward and downward around the connecting shaft 15 of the connecting frame 14, and the bogie frames 17 having the connecting members 26 on both sides are lowered. Is pivoted forward and downward about the connection shaft 15.

Then, both side frame members of the bogie frame 17
The front part of 23 is mounted on each mounting member 21 of the connecting frame 14, the carrier plate 18 of the bogie frame 17 is held substantially horizontally, and the bogie frame is mounted on each mounting member 21 of the connecting frame 14. 17 is supported with good stability, and this bogie frame 17
Is supported with good stability.

Further, the crop storage bag 53 is placed on the loading board 18, and the opening edge 54 of the crop storage bag 53 is inserted from the inside of the support frame portion 48 and folded back to engage with the outside, so that The crop storage bag 53 is supported by the support frame 48 in a state where the upper surface is opened. The crop storage bag 53 prepares for loading of the crop.

As described above, one hydraulic cylinder device 40
Is operated to move the rod 42 forward and backward, whereby the loading plate 18 of the bogie frame 17 is easily held substantially horizontally by the rod 42, and is placed on the loading plate 18 and the crop container 52 is placed thereon. The crops are sequentially loaded in the container and accommodated in a predetermined amount, and the loading plate 18 of the bogie frame 17 is easily inclined downward and downward by the rods 42 so that the crop container 52 on the loading plate 18 slides down smoothly. It is carried out.

Next, at the time of movement such as a non-harvesting operation, for example, the front portions of both side frame members 23 of the bogie frame 17 are mounted on the respective mounting members 21 of the connecting frame 14, and the bogie frame is
In a state where the loading bed plate 17 is held substantially horizontally, the hydraulic cylinder device 40 is operated to further advance the rod 42, and the rod 42 further advances the pair of connecting pieces at the intermediate portion of the support member 28. 33 is pushed rearward and upward, and the grounding wheels 16 are each pushed up from the grounding surface via a pair of support arms 31 on both sides of the support member 28.

The grounding wheels 16 on both sides are pushed up from the grounding surface, and the connecting plates 20 on both sides of the connecting frame 14 with the front parts of the frame members 23 of the bogie frame 17 placed thereon are connected. The connecting projection 11 protruding from both sides of the frame 8 is pushed up and rotated about the support shaft 22. Then, the grounding wheels 16 on both sides of the connecting frame 14 and the bogie frame 17 with the front part placed on the connecting frame 14 are pushed upward from the grounding surface.

Therefore, one hydraulic cylinder device 40
The truck 13 is easily lifted and supported with the ground wheels 16 on both sides separated upward from the ground surface. Then, the work machine body 1 is easily moved by the crawler 3, and the turning traveling is also easily performed.

As described above, one hydraulic cylinder device 40
Is operated to move the rod 42 forward and backward, whereby the loading plate 18 of the bogie frame 17 is easily held substantially horizontally by the rod 42, and is placed on the loading plate 18 and the crop container 52 is placed thereon. The crops are sequentially loaded in the container and accommodated in a predetermined amount, and the loading plate 18 of the bogie frame 17 is easily inclined downward and downward by the rods 42 so that the crop container 52 on the loading plate 18 slides down smoothly. During the movement such as the non-harvesting operation, the cart 13 is easily lifted and supported in a state where the ground wheels 16 on both sides are separated upward from the ground surface.

At the time of the harvesting operation, the container mounting tables 25b are protruded from the rear end portions of both sides of the loading plate 18 so that the containers or crop storage bags 53 are mounted on the container mounting tables 25b on both side portions. By doing so, a required number of containers or crop storage bags 53 can be carried in preparation for loading of crops.

Next, in the above-described embodiment, when loading the crop, the crop storage bag 53 is placed on the carrier plate 18 to support the support frame 46.
The case where the crops selected by the sorting conveyor 6 are loaded into the crop storage bag 53 has been described. However, the present invention is not limited to this, and the crops may be loaded from the sorting conveyor 6 into the container placed on the loading plate 18. May be used, sorting conveyor 6
The crops may be directly loaded on the loading board 18 from the above.

In the above-described embodiment, the case where the bogie frame movable means 19 is formed by the hydraulic cylinder device 40 has been described. However, the present invention is not limited to this, and the bogie frame movable means 19 may be, for example, a link mechanism and a link mechanism. At the time of loading the crop with operating means for operating the mechanism, the bogie frame
Hold the 17 loading plates 18 in a substantially horizontal position and connect the shafts when carrying out the crop.
The carriage frame 17 is rotated about 15 and the loading plate 18
May be inclined downward and rearward.

Further, in the above embodiment, the case where the crops such as potatoes selected by the sorting conveyor 6 are loaded into the crop accommodating bag 53 on the loading board 18 has been described, but the present invention is not limited to this. The crops may be carried out from the carrying-out end of the conveyor 5 and loaded into the crop accommodating bag 53 on the loading board 18 without being sorted by the sorting conveyor 6.

[0066]

According to the first aspect of the present invention, when the crop is loaded, the bogie frame is turned around the connecting shaft of the connecting frame by operating the bogie frame moving means by operating the bogie frame moving means. Thus, the carrier plate of the bogie frame can be reliably held substantially horizontally.

Further, as the work machine body advances, the bogie is pulled by the work machine body, and crops are sequentially harvested in the work section of the work machine body, and these crops are transferred to the work machine body. The crops are sequentially transported by the transport section, and the crops are sequentially transported from the discharge end of the transport section, and are sequentially loaded on the loading board of the bogie.

When a predetermined amount of crops are loaded on the loading board of the truck, the cart frame moving means is operated to operate the bogie frame moving means so that the bogie frame is moved around the connecting shaft. It is pivoted backward and downward, and the loading plate fixed to the bogie frame is inclined downward and rearward and downward, and the crops loaded on this loading plate are moved from the loading plate in the direction of inclination of the loading plate. It is carried out smoothly.

Therefore, when loading the crop by the truck frame movable means, the loading plate of the truck frame can be securely held substantially horizontally, and the crop can be loaded on this loading plate reliably. By rotating the trolley frame and tilting the loading board downward and downward, the crop loaded on the loading board can be smoothly carried out from the loading board, and the crop is lifted from the loading board. There is no need to carry it out, and it is possible to sufficiently cope with the aging of farmers and improve the efficiency of harvesting work.

According to the second aspect of the present invention, in addition to the effects of the first aspect, the truck frame is placed on the placing member of the connecting frame, so that the loading plate can be reliably held substantially horizontally, and The carriage frame can be stably supported by the mounting member of the connection frame. Therefore, crops can be easily loaded on the carrier plate of the bogie frame.

According to the third aspect of the present invention, in addition to the effects of the first aspect, the bogie frame can be easily rotated about the connecting shaft by the connecting members on both sides, and the connecting members on both sides are The support members can reliably maintain the gap, and the grounding wheels can be grounded by the support arms on both sides of the support members, and the bogie frames can be reliably pushed up and rotated by the grounding wheels on both sides when the crop is carried out. I can make it happen.
In addition, the strength of the carrier plate can be reliably increased with a simple configuration by the connecting members and the supporting members on both sides.

According to the fourth aspect of the present invention, in addition to the effects of the first aspect, when loading the crop, the hydraulic cylinder device is operated to connect the bogie frame to the connecting frame by the hydraulic cylinder device. The truck can be smoothly rotated about the shaft, and the carrier plate of the bogie frame can be moved substantially horizontally and securely held.

When a predetermined amount of crops is loaded on the truck bed of the truck, the hydraulic cylinder device is operated to move the bogie frame rearward and downward about the connecting shaft by operating the hydraulic cylinder device. , And the loading plate fixed to this trolley frame can be reliably lowered and inclined backward and downward, and the crops loaded on this loading plate can be tilted from the loading plate onto the tilting direction of the loading plate. It can be carried out smoothly toward.

According to the fifth aspect of the present invention, in addition to the effects of the first, third or fourth aspect of the present invention, at the time of loading of the crop, the rod is advanced and retracted by operating the hydraulic cylinder device. The bogie frame can be rotated about the connecting shaft of the connecting frame by the rod, and the carrier plate of the bogie frame can be moved substantially horizontally to be securely held.

When a predetermined amount of crops are loaded on the truck bed of the bogie, the rods are retracted by operating the hydraulic cylinder device so that the connecting pieces of the support member are pulled by the rods. At the same time, the grounding wheels are respectively pulled through the support arms on both sides of the support member, and the bogie frames can be pushed up and rotated around the connecting shafts by the grounding wheels on both sides, and the bogie frames are connected. It can be pivoted rearward and downward about the axis, and the loading plate fixed to this bogie frame can be reliably lowered and inclined backward and downward, and the crops loaded on the loading plate can be removed from the loading plate It can be carried out smoothly in the direction of inclination.

When the rod is advanced by operating the hydraulic cylinder device, the support member is pushed by the rod via the connecting piece, and the ground wheels on both sides of the support member are raised upward from the ground surface. At the same time, the bogie frame can be turned forward and downward about the connecting shaft, and the connecting frame can be pushed up and turned while the bogie frame is mounted. The bogie can be lifted as a whole above the ground contact surface as required, for example, when the machine body is turning, and the work machine body can be easily moved.

Therefore, by moving the rod of the hydraulic cylinder device forward and backward, the carrier plate of the carriage frame can be moved substantially horizontally and securely held, and the crops on the carrier plate can be smoothly carried out. Can be reliably lifted above the ground contact surface as a whole, so that these operations are simple, can sufficiently cope with the aging of farmers, and improve the harvesting efficiency.

According to the invention of claim 6, in addition to the effect of the invention of claim 1, the crop container placed on the carrier plate can be reliably supported by the support frame, and the crop container is contained in the crop container. Can be easily loaded.

Further, when carrying out a crop in which a predetermined amount of crops are loaded in the crop container on the carrier plate, the carrier plate is inclined downward and rearward and downward, and the carrier plate is tilted from above the carrier plate. The crop container can be smoothly carried out in the direction.

According to the invention of claim 7, in addition to the effect of the invention of claim 6, a flexible crop storage bag is placed on the carrier plate,
By supporting the opening edge of the crop storage bag with the support frame in a state where the crop storage bag is opened, crops can be easily loaded in the crop storage bag.

Further, at the time of carrying out the crop in which a predetermined amount of the crop is loaded in the crop accommodating bag on the loading board, the loading board is inclined downward and rearward and downward, and the loading board is placed on the loading board. Although the crop storage bag can be smoothly carried out in the inclined direction, the opening edge of the crop storage bag can be smoothly removed from the support frame when the crop storage bag is carried out. Can be carried out.

Further, since the crop storage bag is formed of a flexible member, the crop storage bag can be easily set on the support frame, and after the crop is stored, the opening edges can be easily bound.
It is not bulky when carried in preparation for crop storage and is therefore easy to handle.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a cart of a crop loading device according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view in which a part is cut away.

FIG. 3 is a side view of the crop loading device provided with the cart.

FIG. 4 is a cross-sectional view showing a state in which the carrier plate of the cart is held substantially horizontally.

FIG. 5 is a side view showing a state where the bed plate of the cart is inclined downward.

FIG. 6 is a side view showing a state where the cart is lifted.

[Explanation of symbols]

 1 work machine body 13 bogie 14 connecting frame 15 connecting shaft 16 grounding wheel 17 bogie frame 18 carrier board 19 bogie frame movable means 21 mounting member 26 connecting member 28 supporting member 31 supporting arm 33 connecting piece 40 hydraulic cylinder device 41 cylinder body 42 Rod 46 Support frame 52 Crop container 53 Crop storage bag

Claims (7)

[Claims] 1. A working machine body for harvesting and transporting crops,
A truck that is towed by the work machine body and loads a crop carried out of the work machine body; and a connection frame that is pivotally mounted on the work machine body so as to be vertically rotatable. A bogie frame which is rotatably connected to the connecting frame via a connecting shaft in a vertical direction and has a grounding wheel rotatably mounted on both sides thereof, and a loading board fixed to the bogie frame for loading the crop, At the time of loading the crop, the carriage frame of the carriage frame is held substantially horizontally, and at the time of carrying out the crop, the carriage frame is rotated about the connection shaft, and the carrier plate is tilted downward and downward toward the rear. Means for loading a crop. 2. The crop loading device according to claim 1, wherein the connecting frame has a placing member for placing the truck frame when the carrier plate is held substantially horizontally. 3. The bogie frame is fixed between the connecting members on both sides rotatably connected to a connecting shaft provided on the connecting frame, and separated from the connecting shaft in a forward direction. 2. A supporting member according to claim 1, further comprising: a supporting member provided on both sides of the supporting member, and a supporting arm projecting obliquely rearward and downward from each of the supporting members and having a grounding wheel rotatably mounted on each of the supporting arms. Crop loading equipment. 4. The crop loading device according to claim 1, wherein the carriage frame moving means is formed by a hydraulic cylinder device. 5. A hydraulic cylinder device comprising: a cylinder main body; and a rod provided on the cylinder main body so as to be able to advance and retreat, wherein a base end of the cylinder main body is rotatable vertically with respect to a working machine main body. 4. A connecting member which is pivotally mounted on a connecting piece projecting from the supporting member of the bogie frame so as to be inclined rearward and downward from the supporting member of the bogie frame. Or the crop loading device according to any one of 4. 6. The crop loading device according to claim 1, wherein the work machine body has a support frame projecting above the loading plate and supporting a crop container placed on the loading plate. apparatus. 7. The crop storage body is formed of a flexible crop storage bag, and the opening edge of the crop storage bag is supported by a support frame in an open state. Crop loading equipment.