JPH1075614A - Conveyor for farm working machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject conveyor enabling harvests to be carried while holding them and also without damaging or leaning toward the inclined direction on a slope land, capable of preventing harvests from rolling down, and simple in construction. SOLUTION: This conveyor for a farm working machine is made up of endless circulating bodies 15 standing against each other on both sides so as to be travelable round and many carrying bars 16 arranged in parallel with one another at such intervals as to be enough to shake soil off between the above two endless circulating bodies 15 and to carry harvests A dug up or picked up from the ground. In this case, these carrying bars 16 include axially straight bars 17 and wavy bars 19 each axially having several recesses 18 sunk downward for putting harvests on, and these two kinds of bars 17 and 19 are arranged alternately. Each of the recesses 18 is projected below the straight bars 17. The wavy bars 19, representing a set of several ones, are arranged alternately with the straight bars 17, in such a state that the respective recesses 18 stand against each other. Furthermore, a means to bring harvests A onto the carrying bars 16 is also provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conveyor device for an agricultural work machine, and more particularly to an apparatus for transporting crops of underground tubers such as potatoes, carrots, and garlic in an agricultural work machine such as a digging machine.

[0002]

2. Description of the Related Art Conventionally, as this type of conveyor device for an agricultural work machine, for example, as disclosed in Japanese Utility Model Laid-Open Publication No. Sho 59-107813, an endless rotating device is provided which is rotatable relative to both sides. A structure in which a number of straight bar-shaped conveyor bars are arranged in parallel at predetermined intervals between rows, and an interval holding piece for holding an interval between the respective conveyor bars is provided at an intermediate portion between the respective conveyor bars, and Actual Opening Showa 59-107815
A number of conveyor bars are arranged in parallel at predetermined intervals between endless chains provided rotatably relative to both sides as described in Japanese Patent Publication No. There is known a structure in which adjacent conveyor bars are sandwiched by a spacing member having a plurality of locking projections for lifting the crop to maintain the spacing. The conveyor devices described in the above publications convey the crops rearward and upward while shaking off the soil with each conveyor bar.

[0003]

SUMMARY OF THE INVENTION
In the structure described in Japanese Patent No. 7813, a large number of straight bar-shaped conveyor bars are arranged in parallel, so that when the crops are transported, the crops roll down to the lower front in the direction opposite to the transport direction of the crops. Easy, and also, when the crop is transported on an inclined ground, the crop is easily moved in the axial direction along a number of conveyor bars, and is transported in a state of being biased to one side of the interval holding side of an intermediate portion of a number of conveyor bars, The problem is that the outer skin of the crop may be scraped off.

In the structure described in Japanese Utility Model Application Laid-Open No. Sho 59-107815, the crop can be prevented from rolling down by the plurality of locking projections of the spacing member when the crop is conveyed. When the crop is transported, the crop is likely to move in the axial direction along a number of conveyor bars, and is transported in a state of being biased to the lower endless chain side, and the outer skin of the crop may be scraped off. Since a large number of spacing members having a plurality of locking projections are required, the number of parts is large, the number of steps required for installation is increased, and the structure becomes complicated.
There is a problem.

[0005] The present invention has been made in view of the above points, and it is possible to transport the crop while holding it, and to prevent the crop from rolling down when the crop is transported, It is an object of the present invention to provide a conveyer device for an agricultural work machine that can transport the harvested product without being displaced or damaged in the inclined direction when transporting the harvested product, and that has a small number of parts and a simple configuration.

[0006]

According to a first aspect of the present invention, there is provided a conveyor device for an agricultural working machine, wherein the endless revolving body is provided so as to be rotatable relative to both sides and between the endless revolving bodies on both sides. It comprises a number of transport rods that are arranged side by side at intervals of shaking the soil and transport the excavated or picked up crop, wherein the multiple transport rods are a straight rod in the axial direction, and a downwardly extending rod in the axial direction. And a wave-shaped rod having a plurality of mounting recesses for mounting a crop, which are recessed toward the bottom, and wherein the straight rods and the wave-shaped rods are alternately arranged.

[0007] Then, by digging up or picking up the crops sequentially on each of the transport rods in the carry-in section of the conveyor device, these crops are placed in the respective mounting recesses of the corrugated rods. At the same time, each of the crops is conveyed while shaking off the soil in a state where the end opposite to the conveyance direction is supported by a straight rod.

At this time, since each harvested product is transported while being held by each mounting recess of each wavy rod and the straight rod,
When transporting each crop on flat ground as well as on slopes, the crop is transported without rolling down, offsetting in the inclination direction, or being damaged.

According to a second aspect of the present invention, there is provided a conveyor device for an agricultural work machine according to the first aspect.
Each mounting concave portion of the wavy rod projects at a position lower than that of the straight rod. Each crop mounted on each mounting recess of the wavy rod is reliably supported by the straight rod, and it is ensured that each crop rolls in the direction opposite to the transport direction of each crop. Is prevented.

According to a third aspect of the present invention, there is provided the conveyor device for an agricultural working machine according to the first or second aspect, wherein the corrugated rods are a set of several rods, and the mounting recesses are opposed to each other. In this state, they are arranged alternately with straight rods. And depending on the size of the crop,
The normal size of the crop is supported by the mounting concave portions and the straight rods of the wavy rods, and the opposing mounting concave portions and the straight rods of the set of the wavy rods are larger. The crops are supported, and each crop is transported while shaking the soil.

According to a fourth aspect of the present invention, there is provided a conveyor device for an agricultural work machine according to any one of the first to third aspects, wherein the endless revolving bodies on both sides are inclined upward and rearward to be freely rotatable. It is provided. The crop is transported rearward and upward while shaking the soil by a large number of transport rods arranged between the endless revolving bodies on both sides, that is, a large number of straight rods and wavy rods. .

At this time, since each harvested product is transported while being held by each mounting concave portion of each wavy rod and the straight rod,
When transporting each crop on flat ground as well as on slopes, the crop rolls in the opposite direction to the transport direction of this crop,
It is transported without being shifted or damaged in the tilt direction.

According to a fifth aspect of the present invention, there is provided the conveyor device for an agricultural work machine according to any one of the first to fourth aspects, further comprising a tip metal body for carrying the excavated or picked-up crop onto a transport rod. Things. And
The harvested material is dug up from the ridge or the like by the tip metal or is picked up from the ridge, and the harvested material is carried into the carry-in part of the conveyor device by the tip metal.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

Reference numeral 1 denotes an agricultural work machine such as an excavator. The agricultural work machine 1 includes a gantry 2, a crawler 3 provided below the gantry 2, a conveyor device 4 provided on the gantry 2, A power source 6 such as an engine is provided on the gantry 2 and drives the crawler 3 and an endless conveyance body 5 of the conveyor device 4 described later.

The conveyor device 4 has a conveyor frame 7 fixed to both sides of the gantry 2 opposite to each other, and the conveyor frames 7 on both sides are inclined and protruded forward and downward. An inclined frame portion 8 and a horizontal frame portion 9 that is horizontally protruded rearward from the rear end portion of the inclined frame portion 8 are provided. The inclined frame portion 8 is formed so that the front side portion from the substantially middle portion can be turned up and down.

A driven wheel 11 is rotatably mounted on a front end of the inclined frame portion 8 by a support shaft 10, and a drive shaft 12 is mounted on a rear end of the horizontal frame portion 9 by a drive shaft 12. A tension roller 14 is rotatably mounted on a continuous portion between the inclined frame portion 8 and the horizontal frame portion 9. Then, the driven wheel 11 and the drive wheel 13
The endless transport body 5 is hung freely around the tension roller 14 via the tension roller 14, and the endless transport body 5 is tilted backward and upward to rotate.

The endless transport body 5 includes an endless revolving body 15 suspended between the driven wheel 11 and the drive wheel 13 via the tension roller 14 so as to be opposed to both sides. It is composed of a number of transport rods 16 fixed side by side with an interval for shaking the soil between the endless revolving bodies 15 on both sides.

The plurality of transporting rods 16 include a plurality of straight rods 17 extending straight in the axial direction and a plurality of inverted mountain-shaped mountings for mounting crops which are recessed downward in the axial direction. Recess 18
And a number of wavy rods 19 having Each of the straight rods 17 has a flat mounting piece 20 at both ends thereof, which is fixed to the endless revolving body 15 on both sides.

Each of the wavy rods 19 is provided with a corresponding one of the mounting recesses.
18, each of which has a mountain-shaped protrusion 21 protruding upward, and each of the mountain-shaped protrusions 21 and each of the mounting recesses 18.
Are alternately repeated up and down so as to form a wavy shape as a whole, and have flat mounting pieces 22 fixed to the endless revolving bodies 15 on both sides at both ends. Further, when the mounting concave portions 18 are mounted between the endless revolving bodies 15 on the both side portions, the mounting concave portions 18 are configured to protrude to a position lower than the linear rods 17. .

The straight rods 17 and the corrugated rods 19 are arranged between the endless revolving bodies 15 on both sides at intervals so that the soil can be shaken off one by one. Attachment pieces 20 and 22 at both ends are fixed with fixing members 23 such as screws. Thus, each mounting concave portion 18 of each corrugated rod 19 protrudes to a position lower than each adjacent linear rod 17.

Further, the drive shaft 12 having the drive wheels 13 is operatively connected to the power source 6 via an intermediary medium (not shown). The drive shaft 12 is rotated by an output from the power source 6 via an interlocking medium,
The endless transport body 5 is rotated backward and upward by the drive wheels 13.

At the tip of the inclined frame portion 8, a plate-shaped tip metal body 24 is provided in front of the driven wheel 11 and integrally protrudes forward and downward. The tip metal 24 digs up the crop from the ridge and carries it into the carry-in portion of the endless transport body 5 or picks up the crop on the ridge to lift the endless transport body 5.
Is carried into the carry-in section. In the drawing, reference numeral 25 denotes a grounding wheel provided on the inclined frame portion 8 so as to be freely movable up and down.

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

When the agricultural work machine 1 advances along the ridges of the field, harvested materials A such as potatoes are dug up from the ridges by the tip metal 24 and are sequentially carried into the carry-in portion of the endless transport body 5, or The dried crop A is picked up and sequentially carried into the carry-in section of the endless transport body 5, and these crops A are placed in the respective mounting recesses 18 of the wavy rods 19, The crop A is conveyed rearward and upward while shaking down the soil with the end opposite to the conveying direction supported by the straight rod 17.

At this time, since each mounting concave portion 18 of each wavy rod 19 protrudes to a position lower than each straight rod 17, each crop A mounted on each mounting concave portion 18 is Each mounting recess 18
And in the state of being held by the straight rod 17, that is, each crop A has inclined portions 18a, 18b on both sides of each mounting recess 18 on both sides.
, And is conveyed in a state where the rear end portion in the conveying direction is supported by each straight rod 17.

Therefore, when each crop A is transported not only on a flat ground but also on a sloping ground, each crop A rolls down in the direction opposite to the transport direction of each harvest A, or the inclined direction of the endless transport body 5, that is, the endless transport. It is conveyed in a state where it is offset in the width direction of the body 5 or is moved rearward and upward while preventing it from moving in the width direction of the endless conveyance body 5 and being damaged.

Each of the crops A is transported from the inclined frame section 8 to the horizontal frame section 9 by the endless transport body 5, whereby the respective crops A are sequentially sorted, and the crops necessary as commodities and the like are sorted out. A is stored in a container (not shown), and unnecessary crops A and the like are discharged to the field.

Next, in the above-described embodiment, the case where the endless transport body 5 is constituted by arranging a large number of straight rods 17 and wavy rods 19 alternately one by one has been described. The present invention is not limited to this, and the wavy rods 19 may be arranged as a set of several rods alternately with the straight rods 17.

In this case, for example, as shown in FIG. 3, a plurality of mounting recesses 18 and each of the mountain-shaped projections 21 are alternately and vertically repeated at the same pitch in the axial direction to form a wave-like shape as a whole. Are formed as a set, and are alternately arranged with the straight rods 17 with the respective mounting recesses 18 facing each other. Other configurations are the same as those in the above embodiment.

With this configuration, the crop A
According to the size of each of the two undulating rods 19, the opposite mounting recesses 18 and the straight rods 17 hold the crop A larger than the crop A of the normal size. With the both sides being supported by the inclined portions 18a and 18b on both sides of each mounting recess 18, the rear end of the mounting direction is supported by the straight rods 17 while shaking off the soil. It is transported upward.

Therefore, when each large crop A is transported not only on a flat ground but also on a sloping ground, each crop A rolls down in the direction opposite to the transport direction of each crop A, or the inclined direction of the endless transport body 5, that is, the endless transport body 5 The sheet is conveyed in a state where it is offset in the width direction of the conveyance body 5 or is moved rearward and upward while preventing the endless conveyance body 5 from moving in the width direction and being damaged.

In the above embodiment, the endless revolving body on both sides is provided.
The case where two wavy rods 19 arranged side by side between 15 are described as a set of two rods has been described. However, the present invention is not limited to this. The required number of books, such as books, may be used as one set.

[0034]

According to the first aspect of the present invention, the plurality of transporting rods arranged side by side at an interval for shaking off the soil between the endless revolving bodies on both sides include a straight rod in the axial direction and a shaft. And a wave-shaped rod having a plurality of mounting recesses for mounting a crop that is recessed downward in the direction. Or the picked-up crop is placed in each mounting recess of each wavy rod,
The soil can be conveyed while shaking off the soil in a state where the end opposite to the conveying direction of each crop is supported by the straight rod.

Therefore, since each crop is transported while being held by the mounting recesses of the corrugated rods and the straight rods, the crops are transported when transporting the crops not only on flat ground but also on sloping ground. It is possible to reliably prevent the crop from rolling down in the direction opposite to the transport direction, or being biased or damaged in the inclination direction of the sloped land.

Further, by arranging the straight rods and the wavy rods alternately, each crop can be transported while being prevented from moving as much as possible. The number of parts is small, the configuration is simple, the assembling operation is simple, and the cost merit is large as a whole, as compared with the one using a large number of spacing members having projections.

According to the second aspect of the present invention, in addition to the effects of the first aspect, the mounting recesses of the wavy rod protrude to a position lower than the straight rod, so that the mounting recesses are mounted in the mounting recesses. Each of the harvested crops can be reliably supported by the straight rod, and therefore, each of the crops can be reliably prevented from rolling down in the direction opposite to the transport direction of the crops.

According to the third aspect of the present invention, in addition to the effects of the first or second aspect of the present invention, a plurality of corrugated rods are formed as a set, and the corrugated rods are straightened in a state where the mounting recesses are opposed to each other. Since the rods are arranged alternately with the rods, it is possible to reliably mount and hold a crop larger than a normal crop in each of the opposing mounting recesses.

According to the invention of claim 4, claims 1 to 3 are provided.
In addition to the effects of the invention, the endless revolving bodies on both sides are provided so as to be able to revolve freely inclining rearward and upward. Can be reliably transported rearward and upward while holding.

According to the invention of claim 5, claims 1 to 4 are provided.
In addition to the effects of the invention of the present invention, since it has a tip metal body that carries the excavated or picked up crop onto the transport rod,
With this tip metal, a crop in the soil of the ridge or a crop dried on the ridge can be easily carried on the transport rod.

[Brief description of the drawings]

FIG. 1 is an enlarged perspective view of a part of a conveyor device for a farm work machine showing an embodiment of the present invention.

FIG. 2 is a side view of the agricultural working machine provided with the conveyor device.

FIG. 3 is an enlarged perspective view of a part of a conveyor device for a farm work machine showing another embodiment.

[Explanation of symbols]

 15 Endless revolving body 16 Conveying rod 17 Straight rod 18 Mounting recess 19 Wavy rod 24 Rod body A Harvest

Claims (5)

[Claims] An endless revolving body provided to be rotatable relative to both sides, and a harvested or excavated crop which is juxtaposed and arranged side by side with an interval for shaking off soil between the endless revolving bodies on both sides. A plurality of transporting rods for transporting the picked-up crops, wherein the plurality of transporting rods are a straight rod in the axial direction, and a plurality of mounting recesses for mounting the harvested articles that are recessed downward in the axial direction. A conveyor device for an agricultural work machine, comprising: a wavy rod having the following structure: wherein the straight rod and the wavy rod are alternately arranged. 2. The conveyor device for an agricultural work machine according to claim 1, wherein each of the mounting recesses of the wavy rod projects at a position lower than the straight rod. 3. A wave-shaped rod, wherein a plurality of corrugated rods are arranged as a set, and are alternately arranged with straight rods in a state where respective mounting recesses are opposed to each other. 2. The conveyor device for an agricultural working machine according to 2. 4. The conveyor device for an agricultural work machine according to claim 1, wherein the endless revolving bodies on both side portions are provided so as to be able to revolve freely inclining rearward and upward. 5. The conveyor device for an agricultural work machine according to claim 1, further comprising a tip metal body for carrying the excavated or picked-up crop onto a transport rod.