JPH09107776A - Harvester for agricultural product - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a harvester for agricultural products having the rear end thereof for harvesting root vegetables from a field connected to a directly connecting type undercarriage so as to load a net pallet or a flexible container for housing the harvested agricultural products. SOLUTION: This harvester for agricultural products is obtained by connecting an undercarriage 16 having wheels to the rear end of the mobile type harvester for the agricultural products so as to enable the rotation in the vertical directions, pivoting a load-carrying platform frame 20 rotatable in the vertical directions relatively to the undercarriage so as to enable the fixing and releasing of the fixing and interposingly installing a damper 33 between the undercarriage 16 and the load-carrying platform frame 20. Furthermore, container supporting frames 35 and 35 are provided so as to enable the installation and removal from the load-carrying platform frame 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a direct coupling type carriage for mounting a net pallet or a flexible container for storing harvested agricultural products at the rear end of an agricultural product harvester for harvesting root vegetables from the field. About harvested agricultural products harvesters.

[0002]

2. Description of the Related Art Conventionally, a self-propelled agricultural product harvester is known in which root vegetables such as sweet potatoes, potatoes and konjac potatoes are harvested from a field, selected and stored. Then, to the rear end of the agricultural product harvesting machine as described above, a towing vehicle equipped with a net pallet or a flexible container is connected via a towing device, and the harvested product that is harvested and selected from the field by the agricultural product harvesting machine is selected. The applicant of the present invention has proposed an agricultural product harvesting machine in which a harvesting operation is performed while being housed in a net pallet or a flexible container.

[0003]

The agricultural product harvesting machine to which the towing vehicle is connected has the following problems. . Since the towing vehicle is connected to the rear end of the agricultural product harvester via the towing device, the overall length of the machine becomes long and workability is poor. . Despite the fact that the produce harvester itself is spin-turnable, the towing vehicle can only turn with a large turning radius. . Since the towing vehicle freely turns (rotates) with respect to the agricultural product harvester, it was difficult to store (load) the harvested product in a net pallet or a flexible container. . It took a lot of labor and time to remove the net pallet or flexible container containing the harvested product from the towing vehicle. The present invention has been made to solve the above problems.

[0004]

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention provides (1). A vehicle chassis provided with wheels can be vertically rotated at the rear end of a self-propelled agricultural product harvester. And a load carrier frame that is vertically rotatable with respect to this chassis is fixed and can be unlocked.

(2) A damper is provided between the chassis and the cargo frame,

(3) It is characterized in that a container supporting frame is detachably provided to the luggage carrier frame.

[0007]

According to the above construction, the agricultural harvester of the present invention has
The following actions are performed. . At the rear end of the self-propelled agricultural product harvester, a chassis with wheels is connected so that it can rotate in the vertical direction, and a vertically rotatable load platform frame can be fixed and released. By pivotally connecting, the entire length of the machine can be shortened, and the machine can be smoothly turned and moved backward. It is easy to store harvested items in a net pallet or flexible container mounted on the carrier frame. By dumping the loading frame onto the chassis, the net pallet or flexible container containing the harvested products can be easily unloaded.

[0008] By installing a damper between the chassis and the carrier frame, when the carrier frame is dumped to the chassis and the net pallet or flexible container containing the harvested product is unloaded, the carrier frame is gently dumped, Do not damage the crops contained in the net pallets or flexible containers.

[0009] By providing the container support frame to the loading frame detachably, it is possible to carry a net pallet or a flexible container on the loading frame and also carry other general loads.

[0010]

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

[First Embodiment] In FIG. 1 to FIG. 4, reference numeral 1 denotes a potato harvester, and this potato harvester 1
Has an engine 3 mounted on its fuselage 2 and is equipped with crawlers 4 and 4 forming a left-right pair and capable of spin turning. The body 2 between the crawlers 4 and 4 extends in the front-rear direction and has a digging blade (not shown) attached to the tip thereof to dig the potatoes that are vegetated in the field and transport them backward. A conveyor 5 is provided.

Behind the harvesting conveyor 5, there is provided a sorting conveyor 6 for receiving the harvested products conveyed by the harvesting conveyor 5 and sorting the harvested products by an operator. A driver's seat / separating work seat 7 and a step 8 are provided on both left and right sides of the selecting conveyor 6, and a selecting operator seat 9 and a step 10 are provided on the opposite side. In addition, although the harvester is the potato harvester 1 in this embodiment, it may be a harvester for harvesting other agricultural products.

On the left and right sides of the lower rear end of the machine body 2, connecting frames 11, 1 for connecting a chassis 16 described later are provided.
1 is provided. The lower portions of the connecting frames 11, 11 are connected by a connecting pipe 12, and an intermediate portion in the length direction of the connecting pipe 12 is connected by a connecting rod 13 protruding rearward from an intermediate position in the width direction of the machine body 2. . Connection holes 14 and 14 are formed in the upper portions of the connection frames 11 and 11, and the connection portions 17 and 17 that protrude forward from a chassis 16 equipped with a pair of left and right casters 15 and 15 are formed in the connection holes 14 and 14. Are rotatably connected in the vertical direction via connecting pins 18, 18.

The front edge portion 11 of the connecting frames 11, 11.
a and 11a and a contact plate 19 provided on the chassis 16 side are in contact with each other so that the chassis 16 is in a substantially horizontal state, and the chassis 16 rotates vertically about the connecting pins 18 and 18. At this time, rotation of the chassis 16 is allowed to be tilted forward, but rotation of the chassis 16 is restricted. When the potato harvester 1 is retracted, the chassis 16 is held in a substantially horizontal state or in a slightly forward leaning posture, and the backward leaning posture is restricted so that the backward operation of the machine can be performed stably. There is.

A carrier frame 20 is supported on the chassis 16 so as to be vertically rotatable and dumpable. The luggage carrier frame 20 is configured such that the luggage carrier frame 2 is connected to the coupling frame 21 projecting downward from the left and right sides of the rear end portion of the chassis 16.
The connecting frame 22 protruding downward from 0 to the shaft 23
It is rotatably supported in the vertical direction via. A hook engaging portion 24 that fixes and releases the platform frame 20 with respect to the chassis 16 is provided at a central portion in the left-right direction of the front end portion of the platform frame 20.

On the other hand, a pair of brackets 25 are erected at an intermediate position in the length direction of the connecting pipe 12, and the lower part of the engaging hook 26 is located between the brackets 25, 25 so that the rotating shaft 2 is provided.
It is pivotally supported in the front-rear direction via 7 and can be engaged with and disengaged from the hook engaging portion 24.
The rotary shaft 27 extends to the side of one of the connecting frames 11 and penetrates through it, and the operation lever 28 is fixed to the outside of the connecting frame 11. The operating lever 28 is fitted in the operating guide 29 and is normally urged by the spring 28 a in a direction in which the engaging hook 26 engages with the hook engaging portion 24.

Further, the lower part of the engaging hook 26 and the connecting rod 13 are connected.
A tension spring 30 is stretched in between, and the engagement hook 26 urges the hook engagement portion 24 in a direction to engage the hook engagement portion 24. Then, the stop pin 26 provided on the engaging hook 26
When a is in contact with the stopper 31 provided on the bracket 25, it is in a substantially upright state, and the engaging hook 26
Is engaged with the hook engaging portion 24, or is in an engagement standby state.

A cylinder type damper 33 is interposed between a damper bracket 32 protruding upward and a lower portion of the luggage carrier frame 20 at a central portion of the rear end portion of the chassis 16 in the left-right direction. Then, the engagement between the engagement hook 26 and the hook engagement portion 24 is released, and the luggage carrier frame 20 is dumped rearward about the shaft 23.
The platform frame 20 is dumped slowly by the elastic force of 3.

A luggage carrier plate 34 is stretched on the upper surface of the luggage carrier frame 20. Further, a front container support frame 35 and side container support frames 36, 36 are erected so as to be attachable / detachable at the front center position and the left and right side positions of the luggage carrier frame 20. And these container support frames 35, 36, 36
In addition, a net pallet or a flexible container 37 is supported and mounted. Reference numeral 38 denotes a container mounting base engaging hook, which is used when one end of the container mounting base is engaged and used when the carcass 16 and the cargo frame 20 are not connected to the potato harvester 1.

Next, the operations of the thigh harvester 1, the chassis 16 and the carrier frame 20 configured as described above will be described.

The potato harvester 1 is used, for example, when harvesting processing potatoes from a field with the chassis 16 and the carrier frame 20 connected to each other. With the forward movement of the machine body 2, the potatoes are dug out of the field by the harvesting conveyor 5,
The soil is transported while being dropped, and potatoes and foreign substances are discharged from the transport end of the harvesting conveyor 5 onto the sorting conveyor 6.

In the sorting conveyor 6, the operator sitting on the driver's seat 7 for sorting work and the sorting operator sitting on the sorting operator's seat 9 perform the sorting operation of picking up potatoes during the movement process. Be seen. Then, the picked-up potatoes are put into a net pallet or a flexible container 37 supported by the front container support frame 35 and the side container support frames 36, 36 of the luggage carrier frame 20. An input conveyor may be provided between the selection conveyor 6 and the net pallet or the flexible container 37 to automatically input the selected harvested products.

On the other hand, the chassis 16 and the carrier frame 20 are
The potato harvester 1 is integrally pivotally mounted in a vertically rotatable manner about the connecting pins 18, 18, and the rotation range thereof allows the chassis 16 to be tilted forward. The backward tilting rotation is restricted, and the potato harvester 1
When the vehicle is retracted, the chassis 16 is held in a substantially horizontal state or in a slightly forward tilted posture, and the backward tilted posture is restricted, so that the backward operation of the machine can be stably performed. Further, the length of the machine body in the front-rear direction is shorter than that in the case where the towing rods are connected, and the turning radius is small.

When the net pallet or the flexible container 37 is filled with the harvested product, the harvesting work is interrupted, and the operating lever 28 is operated to release the engagement between the engaging hook 26 and the hook engaging portion 24. The carrier frame 20 can be dumped rearward around the shaft 23, and the carrier frame 20 is slowly dumped by the elastic force of the damper 33, and the rear end is grounded as shown in FIG. The container 37 can be unloaded easily and without damaging the harvest. After that, when the platform frame 20 is rotated back to the original position,
The engaging hook 26 is automatically engaged with the hook engaging portion 24. Then, the net pallet or the flexible container 37 is newly loaded to restart the harvesting work.

[Second Embodiment] As shown in FIG. 5, the present invention comprises a front container support frame 35 and side container support frames 36, 36 mounted on the carrier frame 20.
The short container support frames 39, 39 ... May be replaced.

[Third Embodiment] Further, according to the present invention, as shown in FIG. 6, the side container supporting frames 36, 36 mounted on the cargo frame 20 or the short container supporting frame 39 are transported. As the supporting frame 40 for use, for example, a container containing a harvested product may be mounted and transported.

[0027]

As described above, according to the agricultural product harvester of the present invention, the following effects can be obtained. . At the rear end of the self-propelled agricultural product harvester, a chassis with wheels is connected so that it can rotate in the vertical direction, and a vertically rotatable load platform frame can be fixed and released. Since it is pivotally attached, the overall length of the airframe can be made short. In addition, it is possible to smoothly turn and reverse the aircraft. Furthermore, it is easy to store harvested products in the net pallet or flexible container mounted on the carrier frame.

[0028] Since a damper was installed between the chassis and the cargo frame, when the cargo frame was dumped to the chassis and the net pallet or flexible container containing the harvest was unloaded, the cargo frame was gently dumped It does not damage the crops stored in pallets or flexible containers. In addition, the danger of sudden dumping of the carrier frame is eliminated.

[0029] Since the container support frame is detachably attached to the carrier frame, it is possible to carry a net pallet or a flexible container on the carrier frame as well as other general loads.

[Brief description of the drawings]

FIG. 1 is a side view of a first embodiment of an agricultural product harvester according to the present invention.

FIG. 2 is a partial plan view of the same.

FIG. 3 is an enlarged side view of the same portion.

FIG. 4 is an exploded perspective view of a main part.

FIG. 5 is a partial perspective view of a second embodiment of the agricultural product harvester according to the present invention.

FIG. 6 is a partial perspective view of a third embodiment of the agricultural product harvester according to the present invention.

[Explanation of symbols]

 1 Potato harvester 2 Airframe 3 Engine 4 Crawler 5 Harvesting conveyor 6 Sorting conveyor 7 Operating seat and sorting work seat 8, 10 Step 9 Sorting worker seat 11 Connecting frame 11a Front edge 12 Connecting pipe 13 Connecting rod 14 connecting hole 15 caster 16 chassis 17 connecting part 18 connecting pin 19 contact plate 20 loading frame 21 connecting frame on vehicle side 22 connecting frame on loading frame frame 23 shaft 24 hook engaging part 25 bracket 26 engaging hook 26a stop pin 27 Rotating shaft 28 Operation lever 29 Operation guide 30 Extension spring 31 Stopper 32 Damper bracket 33 Damper 34 Packing board 35 Front container supporting frame 36 Side container supporting frame 37 Net pallet or flexible container 38 Container mounting table engaging hook 39 Short container support frame 40 Transport support frame

Claims (3)

[Claims] 1. A self-propelled agricultural product harvester has a rear end portion to which a chassis having wheels is rotatably connected in a vertical direction, and a vertically movable load carrier frame is fixed to the chassis. , Agricultural products harvesting machine, which is pivotally attached so that it can be fixedly released. 2. The agricultural product harvesting machine according to claim 1, wherein a damper is interposed between the chassis and the carrier frame. 3. The container supporting frame is detachably provided to the luggage carrier frame.
Agriculture harvester as described.