JPS5921616Y2 - Conveying device in combine harvester - Google Patents

Description

[Detailed explanation of the invention] It is already known that a guide rod is extended to the end of the shell culm holding conveyance body of a conventional combine harvester, and the shell culm that has been pinched and conveyed is transferred to the next conveyance body while being carried along with it. .

However, since the guide rod was installed protruding from the end of the clamping rail of the culm holding conveyor, the guide rod suddenly bends at a large angle when a large amount of grain culm is being conveyed or when the culm becomes clogged. As a result, distortion occurs and the clamping function deteriorates, and it may not return to the specified position.If the weight is small, it may fall off when pulled out.As a countermeasure, it is necessary to make the guide rod thicker or use high-grade spring steel. have been tried, but all have resulted in high costs.

In addition, since the guide rod follows the fluctuation of the clamping rail and moves near and far from the conveying cheno, if there is a difference between the weight that is clamped and guided by the guide rod and the amount of culm that is clamped and conveyed by the clamping rail. However, there was a drawback that excessive clamping pressure was applied to the guide rod, causing the culm to fall out.

The purpose of the present invention is to improve the above-mentioned drawbacks, and the present invention is directed to a combine harvester equipped with a shell culm support conveying body in which clamping rails are provided oppositely to the conveying belt, and in which the end portion of the clamping rail has a long length. A guide rod with a hole drilled and its base attached to the holder of the clamping rail is inserted into the long hole of the clamping rail, and its tip is aligned with the terminal rotation part of the conveyor to adjust the displacement of the guide rod. It is characterized by adapting to the amount of shell culm at the end circulation part of the shell culm holding conveyor regardless of the displacement of the clamping rail, and when guiding an excessive amount of shell culm, it is regulated by the long hole of the clamping rail. That is.

The embodiment shown in the drawings will be described below. Reference numeral 1 denotes a threshing device mounted on the machine base of a combine harvester, and a reaping device (not shown) is installed in front of the threshing device 1. A shell culm holding conveyance body 2 is provided between the two and is composed of a conveyance cheno 2a and a holding rail 2b, and the handling depth is adjusted mainly at the rear part.

3 is a U-shaped rod whose one end is fixed to the lower surface of the support frame 2a' of the conveying cheno 2a and whose stock moving path is detoured;
The holder 4 fixed at the other end is connected to the clamping rail 2 by means of support rods 6, 6 which can move forward and backward by interposing ammunitions 5, 5.
I support b.

The base of the guide rod 7 is screwed onto the holder 4 with a bolt 8, and the intermediate portion is inserted into a long hole 9 bored at the terminal end of the clamping rail 2b so as to face the conveying surface of the conveying cheno 2a. The tip side is along the terminal turning part of the conveying cheno 2a, and the tip is along the foot chain 1a of the threshing device 1.
It faces the starting end of the clamping rail 1b.

In the above-mentioned apparatus, the harvested culm is scraped by the raking device and conveyed by the culm holding conveyor, while the clamping rail 2b moves back and forth against the bullets 5, 5 according to the amount of the culm.

The guide rod 7 then transfers the culm to the conveyor 2.
Guide the foot chain 1a while pressing against the circulating part of a.
Pass the receiver to the starting end of the clamping rail 1b.

At that time, the guide rod 7 is used within the range of the elongated hole 9 as the clamping rail 2b.
It advances and retreats while maintaining its shape without being constrained by the
In particular, when a large amount of culm is transported, the middle part is locked at the end of the long hole 9 as shown by the chain line in Figure 1, and the tip part is slightly deformed as shown by the symbol B in Figure 2. The shell culm is held and guided at this position, and when the shell culm decreases, it restores its original shape by the amount of deformation and is guided through the elongated hole 9 and returns to the position indicated by the solid line through the position l' in FIG.

As described above, the present invention is a combine harvester equipped with a culm holding conveyor formed by sandwiching rails arranged opposite to the conveyor belt, in which a long hole is bored at the terminal end of the pinching rail, and the base is connected to the holder of the pinching rail. The guide rod attached to the slot is inserted into the long hole of the clamping rail, and its tip is aligned with the end rotation part of the carrier, so that the guide rod is independent of the operation of the clamping rail within the range of the long hole. It advances and retreats according to the amount of culms passing through the terminal end circulation part of the conveyance belt, and the weighing weight can be reliably clamped and guided regardless of the amount, and abnormal distortion of the guide rod and culm leakage can be prevented.

Furthermore, even if a large amount of shell culm is transported and the guide rod is displaced to the position shown by dotted line B in Figure 2, when the amount of shell culm decreases, the return direction of the guide rod is regulated by the elongated hole. Alternatively, the guide rod can be made of an inexpensive material or a relatively thin material because it does not return to the C position but returns to the specified position guided by the long hole and does not cause a conveyance error and does not bend sharply in the extreme. Reliable guidance can be provided even if configured as follows.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, in which FIG. 1 is a perspective view of the main parts of a combine harvester, and FIG. 2 is a sectional view of a rotating part of a shell culm support carrier. 2... Shell culm clamping conveyor, 2a... Conveyor chain, 2b... Clamping rail, 4...
Holder, 7... Guide rod, 9... Long hole.

Claims (1)

[Scope of utility model registration request] In a combine harvester equipped with a shell-carrying conveyor consisting of clamping rails arranged opposite to the conveyor belt, a long hole is bored at the terminal end of the clamping rail, and a guide rod whose base is attached to the holding body of the clamping rail is attached to the above-mentioned guide rod. 1. A conveying device for a combine harvester, which is inserted into a long hole of a clamping rail, and has a tip thereof aligned with a terminal rotating portion of a conveying body.