JPH036171Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a conveyor device in a harvester for harvesting crops such as onions.

(Prior Art) Conventionally, as shown in FIG.
Crop mounting rod 15 on the rear side in the crop conveyance direction in 2
The mounting portion 21 of the crop mounting rod 14 on the front side protrudes radially outward from the mounting portion 20 of the crop mounting rod 14, and the mounting portion 20 of the crop transport body 12 on the drive-side rotating body 10 is uneven in the radial direction. It is becoming a state.

(Problem to be solved by the invention) However, immediately after the onions on the crop conveyor are lifted and transferred onto the crop conveyance shelf 32 of the conveyor, the rear loading section 21 is moved to the crop conveyance shelf 32. If the placing part 21 extends far beyond the feeding path of the placing part 20, it may damage the onions, or in severe cases, the onions may be damaged by the conveyor 4 and the lifting conveyor 5. It may get caught in between and break.

The purpose of the present invention is to prevent crops on a lifting conveyor connected to a conveyor from being damaged or broken by a crop conveyor.

(Means for solving the problem) The specific means for solving the problem in this invention are as follows:
A pair of crop mounting rods 1 arranged in parallel to place crops
Both ends of the crop carriers 14 and 15 are connected and fixed by side plates 16 to form a crop carrier 12, and a large number of crop carriers 12 are arranged in parallel in an endless manner to connect adjacent crop mounting rods 14 and 15.
Both ends are pivotally connected by a connecting rod 13 to form a circulating transport body 1.
1 is formed, and this circulating conveyance body 11 is wound around a pair of rotating bodies 9 and 10 in an upwardly inclined shape in the crop conveyance direction,
A lifting conveyor in which the placing portions 20 and 21 in the longitudinal direction of the pair of crop placing rods 14 and 15 are arranged at approximately the same height, and the crops are transferred to the front of the circulating transport body 11 in the crop conveyance direction. 5 is arranged in the harvesting machine, and the rotating body 10 on the front side in the crop conveying direction is provided with a pair of conveyors by rotating the crop conveying body 12 in a direction in which the rear part thereof is lowered with respect to the front part. Crop mounting rod 14, 15
In order to arrange the mounting parts 20 and 21 on the same circumference 28 centered on the rotation center 0 of the rotating body 10,
6 is provided with an attitude control section 25 that comes into contact with the lower surface of the device.

(Function) The crop conveying body 12 forming the circulating conveyance body 11 inclined upward in the crop conveying direction has a pair of crop mounting rods 1.
By lowering the front side and raising the rear side of the placing parts 20 and 21 of No. 4 and 15, the crops are placed and conveyed at approximately the same height. When this crop conveyor 12 reaches above the rotary body 10 on the driving side, the lower surface of the side plate 16 comes into contact with the attitude control section 25 of the rotary body 10, and as a result, the crop conveyor 12 has a rear part relative to a front part. Rotating in the downward direction, the placing parts 20, 2 of the crop placing rods 14, 15
1 is located on the same circumference 28 centered on the rotation center 0 of the rotary body 10, and has no mounting parts 20, 21 protruding radially outward, and is similar to the crop transferred onto the lifting conveyor 5. Contact is prevented.

(Example) Hereinafter, an example of the present invention will be described based on the drawings of FIGS. 1 to 4.

In FIG. 1, 1 is a harvester made movable by a crawler device 2, 3 is a comb-like digging blade that digs up onions by the forward movement of the harvester 1, and 4 is a comb-like digging blade for digging up onions by the forward movement of the harvester 1. A conveyor placed at the rear transports the dug onions to the rear. A lifting conveyor 5 receives the onions conveyed by the conveyor 4 and lifts and conveys them to the tapping device 6. 7
is a spanning board, and 8 is a support frame.

The conveyor 4 is inclined upward in the onion conveying direction, and includes a driven rotating body 9 on the front side, a driving side rotating body 10 on the rear side, and a circulating conveyor wound between these rotating bodies 9 and 10. body 11.

The circulating transport body 11 is made up of a plurality of pairs of crop transport bodies 12 arranged in parallel in an endless manner in the transport direction and connected by a connecting plate 13.

The crop conveyor 12 includes a pair of crop mounting rods 14 and 15 arranged in parallel in the transport direction, and a pair of side plates 16 that connect the respective ends of these crop mounting rods 14 and 15. The side plate 16 has a substantially right-angled shape in side view with a right-angled corner on the inner peripheral side of the circulation conveyance body 11, and crop mounting rods 14, 15 are provided at each corner except for the right-angled corner.
Each end is inserted and secured.

The inner peripheral side end surface of the circulation feeding body 11 on the side plate 16 is in contact with the center line 17 passing through the fixed portions of both crop mounting rods 14 and 15 to the side plate 16 as it approaches the rear in the feeding direction. The inclined surface 19 is formed.

In the crop conveyance body 12, the central part side of the crop mounting rod 14 on the front side in the forwarding direction (the crop conveyance side is particularly referred to as the crop conveyance direction) is convex toward the inner peripheral side of the circulation conveyance body 11 with respect to both ends. The mounting portion 20 is shaped like a step.
is formed, and this mounting portion 20 is located below the center line 17. Moreover, the central part side of the crop mounting rod 15 on the rear side in the crop conveyance direction is formed into a stepped shape that is convex toward the outer circumferential side of the circulation transport body 11 with respect to both ends.
is formed, and this mounting portion 21 is located above the center line 17. Therefore, on the crop conveyance side of the upwardly inclined circulating transport body 11, both the placing parts 20 and 21 are at the same height.

At each end of the connecting plate 13, a pair of adjacent crop mounting rods 14, 1 of the adjacent crop carrier 12 is provided.
5 is inserted through the outside of the side plate 16, and the connecting plate 13 is pivotally connected to each of the above-mentioned ends, so that the adjacent crop carriers 12 are connected by the pair of left and right connecting plates 13. .

The drive-side rotary bodies 10 are for transporting the circulating conveyance body 11, and there are a pair of left and right rotation bodies, which are fixed to a horizontal support shaft 24. The support shaft 24 is rotatably supported by the support frame 8, and a drive mechanism for rotationally driving the outer support shaft 24 is interlocked and connected.

The outer circumferential surface of the drive-side rotating body 10 consists of four flat surfaces (attitude control parts) 25 equally spaced in the circumferential direction, and a curved surface 26 located between these flat surfaces 25 and protruding outward in the radial direction. , the respective flat surfaces 25 are arranged at right angles to each other as shown in FIG. That is, the rotating body 10 is formed by flattening a disk having the curved surface 26 as its outer periphery at four locations to form the oblique surface 25 .

From each flat surface 25, a tooth portion 27 having a trapezoidal shape in side view is visible.
is provided to protrude outward in the radial direction, and the tooth portion 27 is provided between each end of the crop mounting rods 14 and 15 of the crop conveyor 12 on the drive side rotary body 10. The flat surface 25 also comes into contact with the abutting inclined surface 19 of the side plate 16 to drive the circulating conveyance body 11.

When the abutting inclined surface 19 abuts the flat surface 25, the side plate 16 is aligned with the center line 17 with respect to the abutting inclined surface 19.
Since the crop conveyor 12 is tilted, the front portion of the crop conveyor 12 is rotated in a direction away from the rotating body 10, and the mounting portion 20 is moved radially outward. Moreover, at the same time, the rear part of the crop conveyor 12 comes down and approaches the rotating body 10, and the mounting part 21 moves in the radial direction.

Thereby, the placement portion 2 of the crop placement rods 14 and 15 on the crop conveyance body 12 on the drive-side rotating body 10
0 and 21 are controlled in attitude so that they are arranged on the same circumference 28 centered on the rotation center 0 of the drive-side rotating body 10. Note that the driven side rotating body 9 is also provided with substantially the same configuration as the driving side rotating body 10.

The lifting conveyor 5 includes a pair of left and right driving sprockets 29 on the upper side, a pair of left and right driven sprockets 30 on the lower side, and a pair of left and right chains wound between these upper and lower corresponding sprockets 29 and 30. 31, and crop transport shelves 32 horizontally suspended between these chains 31 at predetermined intervals in the transport direction.
and a drive mechanism for circulating the chain 31. The crop conveyance shelf 32 is composed of a pair of L-shaped claw frames 33 fixedly attached to the left and right chains 31, and a horizontal bar horizontally suspended between the claw frames 33.

According to the embodiment configured as described above, the onions dug by the digging blade 3 are placed on the placement parts 20 and 21 of the crop placement rods 14 and 15 in the crop conveyance body 12 of the conveyor 4. However, between the rotating bodies 9 and 10, the mounting parts 20 and 21 of the crop mounting rods 14 and 15 in the crop transporting body 12 are placed at the same height. Therefore, the onions transported as described above are transferred onto the crop transport shelf 32 of the lifting conveyor 5 at the front of the transport conveyor 4, lifted, and transported to the tapping device 6.

In the embodiment described above, the side plate 16 is formed into a special triangular shape, and the crop conveyor 12 is rotated by the flat surface 25 of the drive-side rotary body 10 to control its attitude, and the crop-placing rods 14 and 15 are 20 and 21 can be arranged on the same circumference 28 centered on the rotation center 0 of the drive side rotating body 10, so that the lifting conveyor 5
The onions transferred onto the upper crop transport shelf 32 are placed on the loading section 2.
0 and 21 will not get caught on the onion, and therefore the onion will not be damaged or broken.

Note that the present invention is also applicable to harvesting machines for crops other than onions.

(Effects of the invention) As detailed above, the present invention allows crops to be transported even if the mounting portions of the pair of crop mounting rods in the crop transporter are configured to be at approximately the same height when transporting the crops. When the crops come onto the rotating body to be transferred to the lifting conveyor, they are positioned on the same circumference around the rotation center of the rotating body, so the crops transferred onto the lifting conveyor are It will not be damaged or broken by the placing part of the crop holding rod. The present invention has the above advantages and is of great practical benefit.

[Brief explanation of the drawing]

1 to 4 show an embodiment of the present invention, in which FIG. 1 is a side view, FIG. 2 is an enlarged side view of main parts, and FIG.
The drawings are a view taken in the direction of arrow A in FIG. 2, FIG. 4 is an enlarged perspective view of the main parts, and FIG. 5 is a side view of the main parts showing a conventional example. DESCRIPTION OF SYMBOLS 1... Harvester, 4... Transport conveyor, 5... Lifting conveyor, 9, 10... Drive side/drive side rotating body, 11... Circulating transport body, 12... Crop conveyor,
13... Connection plate, 14, 15... Crop mounting rod, 1
6...Side plate, 19...Abutting inclined surface, 20, 21...
...Placement section, 25... Oblique plane (posture control section), 28
...circumference.

Claims (1)

[Claims for Utility Model Registration] A crop carrier 12 is formed by connecting and fixing both ends of a pair of crop mounting rods 14 and 15 which are arranged in parallel to each other with a side plate 16 to place crops. A large number of adjacent crop mounting rods 14, 1 are arranged in parallel in an endless manner.
5 are pivotally connected by a connecting rod 13 to form a circulating transport body 11, and this circulating transport body 11 is wound around a pair of rotating bodies 9 and 10 in an upwardly inclined shape in the direction of transporting the crops. Placing parts 20 and 21 midway in the longitudinal direction of the mounting rods 14 and 15 are arranged at approximately the same height,
A conveyor device for a harvesting machine in which a lifting conveyor 5 for transferring crops is disposed in front of the circulating conveyance body 11 in the crop conveyance direction, wherein the crop conveyance body is disposed on the rotating body 10 on the front side in the crop conveyance direction. 12 in a direction lowering its rear part relative to the front part, the pair of crop mounting rods 14, 15 are removed.
In order to arrange the mounting parts 20 and 21 on the same circumference 28 centered on the rotation center 0 of the rotating body 10,
6. A conveyor device for a harvester, characterized in that a posture control section 25 is provided in contact with the lower surface of the harvester.