JPS6345175Y2 - - Google Patents

Description

[Detailed description of the invention] This invention binds waste straw discharged from a threshing device with a binding device, and transports the straw bundles discharged from the binding device to a straw bundle conveying belt by the straw bundle lifting belt. The present invention relates to a straw bundle discharge device in a combine harvester that has been inherited.

Conventionally, a combine harvester equipped with a bundling device has been proposed in which the straw bundles discharged from the bundling device are received by an elastically retractable receiver and transferred to a straw bundle conveying belt provided at the rear of the bundling device.

However, with the above-mentioned device, the straw bundles were not able to be handed over properly because the straw bundles came apart or were misaligned due to the resistance of the receiver.

In addition, self-detachable combine harvesters generally adjust the handling depth, so the ears are carried out to a substantially constant position.
The position of the plant base fluctuated due to the difference in culm length, which disturbed the balance of the straw bundle in the direction of the culm relative to the recipient, and this also caused straw bundle succession failure.

Furthermore, in the case where the straw bundles are thrown by a discharge arm and then transferred to the straw bundle conveyance belt, inheritance occurs due to changes in culm length, connection with subsequent straw culms, or when the tip of the discharge arm pierces the straw bundle. make a mistake.

The present invention aims to improve the above-mentioned drawbacks, and includes a binding device for binding waste straw at the rear of a threshing device, and a straw bundle conveying belt for carrying out the straw bundles released from the binding device. In the combine harvester, a straw bundle transporting belt that interlocks with the discharge arm of the binding device is stretched on the discharge side of the bundling device, and the upper part of the straw bundle transporting belt is connected to the straw bundle conveying belt. It is characterized by being linked so as to inherit the following.

The embodiment shown in the drawings will be explained below.1
is a threshing device mounted on the base of a combine harvester, and a straw conveying device consisting of a straw removal chain 2 and a straw removal belt 3 with the rear end deviated toward the ear side is installed behind the culm removal port. The straw removal belt 3 and straw removal chain 2 are driven at the front end.

Reference numeral 4 denotes a straw tying machine in which a culm collecting part 5 faces the rear end of the husking straw conveying device diagonally from below, and is installed at the rear of the threshing device 1. 5
A transmission case 8 for a packer 6 and a needle 7 is provided below the packer 6 as in the conventional case.
The shaft 6a of the threshing device 1 constantly rotates via the reducer 9, and the shaft 7a of the needle 7 rotates through the door 10.
When the one-turn clutch 11 is engaged in response to the sensing operation, the shaft 6a rotates once.

Reference numeral 12 denotes a transmission case which supports an intermediate shaft 13 extending from the shaft 7a of the needle 7 toward the ear side at its lower part, and has a shaft 16 protruding from its upper part which transmits power to the knot part 14 and the discharge arm 15. The sprocket 17 attached to the intermediate shaft 13 drives the sprocket 17a attached to the shaft 16 via the chain 17b, and the gear 18 fixed to the sprocket 17 drives the gear 21 attached to the shaft 20 of the straw bundle lifting chain 19.
When the one-turn clutch 11 is engaged, the knot 14, the discharge arm 15, and the straw bundle lifting chain 19 rotate.

The holding frame 23 of the straw bundle conveying chain 22 is
The middle part of the holding frame 24 of the shaft 16 is obliquely attached to the holding cylinder 24 of the shaft 16 so as to be parallel to the straw removal chain 2, as shown in FIG. Since the rear end of the chain 2 is spline-fitted to the shaft 2b of the sprocket 2a, the straw bundle conveying chain 22 is driven by the straw removal chain 2.

In addition, the middle part of the holding frame 23 is divided into front and back parts at the holding cylinder 24, and this divided part is connected to the upper and lower bolts.
6 and 26, and the straw bundle conveying chain 2
2, the front half of the holding frame 23 is erected as shown in FIG. By making the straw bundle conveying chain 22 go around the rear and upper intermediate parts around the sprockets 25, 25', and tilting the front half of the holding frame 23 forward, the sprocket 25 is fitted to the shaft 2b. Chain tensioning can be done easily.

Furthermore, when the rear lower surface of the holding frame 23 is tilted upward, the straw bundle conveying chain 22 and the clamping rod 2 are moved at that part.
7 lifts the straw bundles and then lets them fall, so the straw bundles stand up on the field in an upright position with the stems well spread out.

In addition, in the drawing, 28 is a guide plate, and 29 is a guide rod.

In the above-mentioned apparatus, the waste straw that has been conveyed later by the straw removal chain 2 and the straw removal belt 3 is transferred to the straw bundle conveying chain 2.
The front part of 2 feeds it, and the police car 6 collects it at the collecting culm part 5.
Scratch into.

When the amount of collected culms reaches a predetermined amount, the door 10 is activated and the one-turn clutch 11 is inserted to bind the culms.
The straw bundle discharged by the discharge arm 15 is
As a result of the discharging operation and the raising of the panicle side of the straw bundle conveyance chain 19 which rotates in synchronization with the discharge operation, the panicle side is transferred to the straw bundle conveyance chain 22 and the holding rod 27, and is conveyed in an upright position and remains diagonally. It is released into the mowed field in the rear.

Since the present invention is configured as described above, the straw bundle transport belt operates in conjunction with the discharge arm, and the discharge arm receives the discharged straw bundles and forcibly lifts them, thereby inheriting the straw bundle transport belt. Therefore, the straw bundles can be accurately transferred to the straw bundle conveying belt while preventing the straw bundles from coming loose, being disturbed, etc., regardless of the length of the straw being removed or the quality of the discharge conditions by the discharge arm.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention,
Fig. 1 is a perspective view of the rear part of the combine, Fig. 2 is a plan view of the same, Fig. 3 is a side view of the same, Fig. 4 is a sectional view of the transmission section, and Fig. 5 shows the installation operation of the straw bundle conveying chain. FIG. 6A is a perspective view, FIG. 6A is a side view of the main part, and FIG. 6B is a plan view of the same. DESCRIPTION OF SYMBOLS 1... Threshing device, 2... Straw removal chain, 4... Straw removal binding machine, 15... Discharge arm, 19... Straw bundle lifting chain, 22... Straw removal conveyance chain.

Claims (1)

[Scope of utility model registration request] a binding device for binding waste straw at the rear of the threshing device;
In a combine harvester provided with a straw bundle transport belt for transporting straw bundles released from the bundling device, a straw bundle transport belt that interlocks with the discharge arm of the bundling device is provided on the discharge side of the bundling device, and 1. A straw bundle discharge device for a combine harvester, characterized in that an upper part of a straw bundle transport belt is connected to the straw bundle transport belt so as to inherit the straw bundles.