JPH0725409B2 - Tilt device for sorting conveyor - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a tilting device of a sorting conveyor for transporting and sorting agricultural products such as potatoes and onions in a predetermined direction.

[Conventional technology]

Conventionally, this type of agricultural crop is usually harvested using a self-propelled or towed harvester, and for example, a sorting conveyor shown in FIG. 7 is known.

The sorting conveyor a is arranged behind a digging device connected to a rotatable conveyor of a harvester. And
Transmission wheels are provided at both front and rear ends, and endless transmission bands b, b such as a pair of roller chains are passed between the front and rear transmission wheels, respectively, and at predetermined intervals in the transport direction between the transmission bands b, b at both ends. A plurality of axle rods are laid horizontally. Thus, an endless roller group is formed by loosely fitting the rollers c on the shaft rods. In the upper horizontal position, the rollers c that constitute these roller groups are configured so that the lower side of the roller c slides in contact with the support plates e, e provided on the frames d, d while rolling in the transport direction. Has become.

[Problems to be solved by the invention]

However, according to the above-mentioned conventional sorting conveyor a, when the field is a sloping land, the agricultural products on this sorting conveyor a are
The following drawbacks are caused by the deviation toward the lower side of the inclination.

The agricultural products conveyed on the sorting conveyor a are biased to the lower slope side as described above. For this reason, the agricultural products being conveyed overlap each other to form a layer, and the rotten or deformed agricultural products located in the lower layer cannot be selected and are sent to the next feed conveyor as they are.

If the crops are offset on the sorting conveyor a and can be sent to the next feed conveyor, the crops collide with each other, or the crops sent to the upper side by the feed conveyor fall, damaging the crops. There is a defect that causes the

Due to the above, a large amount of agricultural products such as decay, deformation, and damage are stored in a storage device such as a container, and the original purpose of sorting cannot be achieved, resulting in inefficient defects.

Agricultural products are biased by the feed conveyor and discharged to a storage device such as a container. For this reason, there is a shortage in that the work is increased by the worker such as making the agricultural products inside the storage device uniform.

Due to such drawbacks, when the worker makes the agricultural products uniform or slows the work speed on the transfer / sorting conveyor,
There is a drawback that work efficiency is significantly reduced.

[Means for solving problems]

The present invention has been made in view of the above drawbacks, and a sorting conveyor having a roller group configuration for transporting agricultural products provided between endless power transmission bands that are arranged at both ends to face each other and are driven in the transportation direction. In this case, the left and right support plates that support each roller move in the vertical direction.

[Operation of the invention]

The agricultural products dug up by the digging device are sent to the next sorting conveyor side.

This sorting conveyor is equipped with a rotatable group of rollers, and the produce is sent to the next feed conveyor, and the quality of the produce is manually sorted along with the conveyance.

When the field is on a sloping ground, the left and right support plates connected to the levers are adjusted and moved up and down, so that the roller group becomes horizontal and the agricultural products become even on the roller upper surface of the selection conveyor.

〔Example〕

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

FIG. 1 is a schematic side view showing an example of an entire harvester equipped with a sorting conveyor according to the present invention.

First, the outline of the harvester will be described with reference to FIG.
Is a harvester, which is provided with a digging device 2, a sorting conveyor 3, a feeding device 4, and a storage device 5 in this order from the front, and is configured to be self-propelled by a crawler traveling device 6. 7 is an engine,
It is a prime mover such as a mission and is provided in the machine frame 8.

The sorting conveyor 3 provided in such a harvester 1 is for transporting the agricultural products dug up via the excavation device 2 to the rear feeding device 4 and for screening the quality of the agricultural products during the transportation. The gist of the present invention relates to a tilting device that can easily adjust the tilt angle of the upper surface of the sorting conveyor 3.

The detailed configuration of this tilting device will be described with reference to FIGS. 2 to 6.

A tilting device 10 is provided on the sorting conveyor 3. This sorting conveyor 3 comprises a pair of left and right endless transmission belts 1.
1, 11 and a plurality of rollers 12, 12, ..., The power transmission belt 11, 11 shown in the figure connects the steel plate roller links 13, 13 on both sides and the pin links 14, 14 via pins 15. Although the above-mentioned roller chain is used, this structure is not limited and a V-belt or the like may be used.

The drive shaft 16 is provided in front of the machine frame 8 and the driven shaft is provided behind it.
17 are respectively provided via bearings, and the drive shaft 16
And transmission wheels 18, 18, such as sprockets, on both ends of the driven shaft 17.
... are attached respectively, and power transmission belts 11 are provided between the front and rear transmission wheels 18 and 18, respectively. The drive shaft 16 is configured to drive the transmission belt 11 in the transport direction via transmission wheels (not shown) that are interlocked with the drive device 19 of the prime mover 7.

Both end portions of the shaft rod 20 are attached to the roller links 13 and 13, respectively, and a plurality of the shaft rods 20 are connected to the transmission bands 11 and 1.
They are erected at intervals of 1 at a predetermined interval. further,
A cylindrical roller 12 is fitted on each of the shaft rods 20, 20, ..., And a roller group composed of a plurality of rollers 12 rotatable via a bearing 21 arranged at each end of the shaft rod 20. 22 sorting conveyors 3 are configured. The interval between the rollers 12 may be a predetermined interval, but it is necessary that the agricultural product to be conveyed does not fall.

Next, the structure of the tilting device 10 will be described.
Is a pair of left and right support plates 26, 26 supporting the roller group 22.
Installed on.

That is, the support plate 26 is in the form of a long flat plate as shown in the drawing, the longitudinal direction of which extends in the front-rear direction of the harvester 1 and is arranged between the front and rear transmission wheels 18 and 18, respectively, and the front and rear ends thereof. The portion is bent downward, and the upper surface of the support plate 26 is configured to come into contact with the lower surfaces of the rollers 12, 12, ... Of the roller group 22 that rotates upward.

The front and rear lower surfaces of each of the support plates 26 are left and
The ends of the right interlocking rods 28, 29 are rotatably attached by pins 31, respectively, and a support shaft 30 is erected on the other end of the left and right interlocking rods 28, 29.

Outside the left interlocking rod 28, L-shaped support rods 32 are provided downward, respectively, and bolts 47 are provided in the holes 33 of the support rods 32 and the holes (not shown) of the metal fittings 46 provided on the machine frame 8 below. It is arranged so that it can follow the support rod 32 as the left interlocking rod 28 rotates.

Further, on the outside of the right interlocking rod 29, similarly, L-shaped and long support rods 34 are provided downward, respectively, and holes provided in the hole 35 on the base end side and the metal fitting 46 of the machine frame 8 below (illustration). A bolt 47 is interposed between the support rod 34 and the right interlocking rod 29 so that the support rod 34 can be driven.

Further, a spacer 36 is arranged at the other end of the support rod 34, and the ends of left and right operating rods 37, which will be described later, are connected to each other via pins 38.

This operating rod 37 further extends to the driver side of the harvester 1,
It is connected to a connecting rod 41 connected to a lever 40 provided on the driver's side. The lever 40 is rotatably supported by a support 42 provided on the machine frame 8 by a pin. In addition, since the lever 40 is fixed to an arbitrary position by the long hole 43 in the support tool 42, the lever 40 can be securely fixed to the hole 44 provided in the lever 40 with a metal fitting 45 such as a bolt or a wing nut. Is done. Therefore, the operator moves the lever 40 back and forth to move the connecting rod 4 connected to this.
1, the operating rod 37 is moved in the front-back direction, the left and right support rods 32, 34 and the left and right interlocking rods 28, 29 move up and down accordingly.
Therefore, the vertical movement of any of the support rods 26, 26 can be adjusted, and the upper surface of the roller group 22 can be inclined at an arbitrary angle according to the situation of the field.

〔The invention's effect〕

The tilting device according to the present invention has the following effects.

Even in a field on a sloping land, the upper surface of the roller group forming the sorting conveyor can be inclined according to the inclination condition. Therefore, the agricultural products are evenly distributed on the selection conveyor, and the selection work by the worker can be performed very easily.

Since the agricultural products are dispersed evenly, the agricultural products can be uniformly discharged to the next feed conveyor and the damage to the agricultural products is reduced.

Such a sorting work can be simplified, the work speed is increased, and the work efficiency is improved.

[Brief description of drawings]

FIG. 1 is a schematic side view of the entire harvester equipped with the tilting device of the present invention, FIG. 2 is a perspective view of the tilting device, FIG. 3 is a schematic front view of the sorting conveyor in a horizontal state, and FIG. A side view, FIG. 5 is a schematic front view of the same tilted state, FIG. 6 is a schematic side view of the same, and FIG. 7 is an explanatory view of a conventional example of a sorting conveyor. 3 …… Selection conveyor, 11 …… Power transmission belt, 12 …… Roller, 22
…… Roller group, 26 …… Support plate.

Claims (1)

[Claims] 1. A roller group for transporting agricultural products sent from a digging device between endless power transmission belts arranged at opposite ends of each other and driven in the transport direction,
In the sorting conveyor arranged in the machine frame, an inclining device for inclining the sorting conveyor to one side has a pair of long left and right supporting plates for supporting both ends of a roller group which is rotated upward, and a supporting tool provided on the front and rear lower surfaces. The left and right interlocking rods are rotatably attached to each other, and a supporting shaft is installed between the left and right interlocking rods. The L-shaped supporting rod provided on the outside of the left interlocking rod is located below one of them. The L-shaped long support rods are respectively attached to the machine frames, and the L-shaped long support rods provided on the outside of the right interlocking rod are respectively attached to the machine frames located on the lower side of the other. On the supporting rod, a spacer is arranged at the other end of the supporting rod on the opposite side of the right interlocking rod to connect the operating rod, and on the driver's side, a connecting rod connected to a lever for selecting the tilting position in the front-rear direction. Of the sorting conveyor characterized by the structure in which the operating rod and the operating rod are connected. Apparatus.