JPH0531875Y2 - - Google Patents

Description

[Detailed explanation of the invention] (a) Industrial application field This invention is a reaping rotary type combine harvester in which only the reaping transport section can be moved up and down relative to the machine body, and the electric power between the reaping transport section and the machine side is improved. The present invention relates to a connection structure of a wire harness for parts.

(b) Prior Art Conventionally, there has been a technology in which only the reaping conveyance section of a combine harvester can be moved up and down relative to the machine body, and the reaping conveyance section can be attached and detached from the machine body side at the pivot point of the reaping conveyance section. It is considered to be publicly known.

For example, see Utility Model Publication No. 44-15317.

(c) Problems to be solved by the invention However, in the conventional technology, when the reaping transport section A is attached and detached, the wire harness that connects the electrical parts between the machine body and the reaping transport section A is connected to the reaping transport section A. The operator was inserting both hands near the pivot shaft of the section and the rotary support on the machine body side to perform the attachment/detachment operation. The space was narrow, and it was a tedious task for the operator to lean over his upper body, put both hands in, grasp both the detachable connectors on the machine body side and on the reaping transport section A side, and attach/detach them.

In order to solve this problem, the present invention fixes one of the machine body side and the reaping transport section A side to the machine body side, so that the operator can insert only one arm without inserting both arms, and the reaping transport section side It is configured so that it can be attached and detached by grasping and operating the detachable connector 17 on the harness 18 side.

(d) Means for solving the problem The purpose of the present invention is as described above. Next, the configuration for achieving the purpose will be explained.

In a configuration in which only the reaping transport section A can be rotated up and down with respect to the machine body, and the reaping transport section A can be attached and detached at the rotation pivot part, a rotary support on the machine side that pivotally supports the reaping transport section A. A fixed connector 8 is fixed to a part of 6 in the forward direction, and the pivot shaft 1 of the reaping conveyance section A is
A detachable connector 17 arranged near the reaping and conveying section side harness 18 can be inserted into the fixed connector 8.

(E) Embodiment The purpose and structure of the present invention are as described above. Next, the structure of the embodiment shown in the attached drawings will be explained.

Fig. 1 is a side view of the combine harvester of the present invention with reaping conveyance section A removed, Fig. 2 is a side view of the rotational pivot of reaping conveyance section A, and Fig. 3 is a side view of the combine harvester of the present invention with reaping conveyance section A removed. FIG. 4 is a front view of the pivot portion of the reaping conveyance section A showing the fixed connector 8 and detachable connector 17, and FIG. 5 is an exploded perspective view of the automatic steering sensor 20. It is.

The structure of the pivot portion of the combine harvester will be explained with reference to FIG.

The rotary supports 6, 6 protrude upward from the front end of the frame F, and the lower bearing body 5 can be fixedly mounted on the rotary supports 6, 6.

Then, by placing the pivot shafts 1L, 1R of the reaping conveyance section A on the lower bearing bodies 5, 5, and then placing and fixing the upper bearing bodies 4, 4, the pivot shafts 1L, 1R,
It constitutes the vertical axis of 1R.

A reaping drive transmission case 2 is arranged between the left and right pivot shafts 1L and 1R, and engine rotation is transmitted from the frame F side to the reaping drive transmission case 2 by a belt. .

A reaping conveyance frame 7 protrudes forward and downward from the pivot shafts 1L and 1R, and a weeding rod support pipe 15 protrudes from the tip of the reaping conveyance frame 7.

In addition, a power transmission shaft case protrudes diagonally upward from the reaping drive transmission case 2, and the rotation whose direction is changed by the bevel gear of the reaping drive transmission case 2 is caused by the shaft within the power transmission shaft. This allows power to be transmitted to the upper part of the device 14. 16 is a tip conveying device.

Further, a hydraulic cylinder C is interposed between the reaping transport section A and the frame F, and by expanding and contracting the hydraulic cylinder C, the reaping transport section A can be rotated up and down.

Next, this will be explained with reference to FIGS. 2 and 3.

A reaping drive transmission case 2 is disposed at the rear end of the reaping transport unit A, and a reaping transport driving force is input into the reaping drive transmission case 2.
Power is transmitted to the reaping device and the lower conveyance device by a shaft within the reaping transport frame 7 that protrudes forward from the reaping drive transmission case 2.

Therefore, the reaping transport frame 7 serves as a lower support frame for the reaping transport section A and as a cover for the power transmission shaft to the reaping device and the lower transport device.

The lower side of the bearing section provided on the body side can be divided into a lower bearing body 5 and a rotating support body 6.

When attaching and detaching the reaping transport section A, use the pivot shafts 1L and 1R.
Instead of the bearing part, the lower bearing body 5 below it is divided between it and the rotating support body 6, and the dividing surface is made into an inclined surface facing forward and downward.

Therefore, after removing the fastening bolts 10a and 10b connecting the rotation support body 6 and the lower bearing body 5,
By backing up the main body side of the combine using a crawler-type traveling device, the reaping conveyance section A and the main body side can be removed as they are without relying on human power or the power of a crane.

After removing the reaping conveyance section A and the main body side,
When it is desired to disassemble the pivot shafts 1L, 1R and the bearings, the upper bearing body 4 and the lower bearing body 5 can be vertically removed by removing the fastening bolts 11a, 11b.

A recess 5a is provided on the lower surface of the lower bearing 5 so that the lower surface of the lower bearing 5 can be brought into close contact with the upper inclined surface 6a of the rotary support 6, and the lower heads of the fastening bolts 11a, 11b are inserted into the recess 5a. The part is inserted.

In order to ensure that the lower inclined surface 5b and the upper inclined surface 6a are in close contact with each other, a fitting guide plate 3 is fixedly installed on the inner surface of the rotary support 6 as shown in FIG. be.

The fitting guide plate 3 is connected by a connecting reinforcing rod 9 so as to prevent the left and right rotating supports 6 from opening outward, and to maintain a constant distance between the left and right rotating supports 6. -ing

The fitting guide plate 3 is provided with left and right guide surfaces 3a so that the lower inclined surface 5b and the upper inclined surface 6a are evenly aligned on the left and right sides, and a front and rear guide is provided so that the lower inclined surface 5b and the upper inclined surface 6a are aligned closely on the front and back. This is because the surface 3b is provided.

In this invention, as shown in Fig. 5, the reaping conveyance section A
The wire harness that transmits the signals from the automatic steering sensor 20 installed midway in the weeding rod support pipe 15, the long/short culm adjustment sensor, and the power for the headlight to the control box on the machine body is connected to the reaping transport section side. It is divided into two parts: a harness 18 and a fuselage-side harness 19, and a detachable connector 17 and a fixed connector 8 provided near the rotation pivot part.

Conventionally, the wire harness was divided into two at this point, but the detachable connectors attached to both ends of the wire harness were suspended, and the operator had to grasp both ends when attaching and detaching.

In the present invention, the fixed connector 8 connected to the tip of the fuselage side harness 19 is connected to the rotating supports 6, 6.
This is fixed to a part of the connecting reinforcing rod 9 that connects and reinforces the space between the two.

The mounting direction of the fixed connector 8 with respect to the connection reinforcing rod 9 is forward and downward, and when the operator inserts his right hand and grasps the detachable connector 17, he inserts the detachable connector 17 into the fixed connector 8. It is structured in such a way that it is easy to use.

Reaping transport section side harness 18 and detachable connector 17
On the side shown in FIG. 1, since the wire harness requires a margin when attached, the detachable connector 17 is provided at the lower end of the harness 18 on the reaping and conveying section side, with the harness 18 hanging down.

FIG. 5 shows the parts of the grass dividing rod support pipe 15 and the automatic steering sensor 20, and the rotation of the automatic steering sensor 20 is transmitted to the sensor switch 21 fixed to the grass dividing rod support pipe 15, and the sensor An electric signal from the switch 21 is transmitted to a control box on the machine body side via the reaping and transporting section harness 18.

In addition, inside the reaping conveyance section side harness 18,
It also includes a wire harness for the long/short culm adjustment sensor provided with the reaping conveyance section A.

(f) Effects of the invention Since the invention is constructed as described above, it has the following effects.

First, conventionally, the wire harness was divided into two parts at the pivot point, and the detachable connector was attached to the part, and both parts were left hanging down to be attached and detached.
When attaching and detaching, the operator was required to put both hands under the reaping conveyance section A, grasp the front and rear detachable connectors, and insert or remove them.

On the other hand, in the case of the present invention, the detachable connector on one side of the fuselage side harness 19 is fixedly installed as the fixed connector 8 on the connection reinforcing rod 9 of the rotary support 6 part, so the fixed connector 8 In this case, there is no need to grasp it by hand, and the operator only needs to grasp the detachable connector 17 of the reaping and conveying part side harness 18 and insert it into the fixed connector 8, so it can be performed with only one hand.

Second, in the past, in order to make sure that there was enough room in the wire harnesses when connecting, there was room on both the reaping and transporting section side harness 18 and the machine body side harness 19, so the detachable connector part There were some problems, such as it hanging down, it took time to find both parts when installing and removing them, and the fuselage side harness 19 got caught between the other lower bearing body 5 and the upper bearing body 4 when it was removed. In the case of the present invention, there is no hanging part on the body side harness 19 and fixed connector 8 side, so this problem can be solved.

[Brief explanation of the drawing]

Fig. 1 is a side view of the combine harvester of the present invention with reaping conveyance section A removed, Fig. 2 is a side view of the rotational pivot of reaping conveyance section A, and Fig. 3 is a side view of the combine harvester of the present invention with reaping conveyance section A removed. 4 is a front view of the pivot portion of the reaping and conveying section A showing the fixed connector 8 and the detachable connector 17, and FIG. 5 is an exploded perspective view of the automatic steering sensor 20. A... Reaping conveyance section, 1L, 1R... Pivot shaft, 8
... Fixed connector, 9 ... Connection reinforcement rod, 17 ...
Detachable connector, 18... Reaping conveyance section side harness,
19...Airframe side harness.

Claims (1)

[Scope of utility model registration request] In a configuration in which only the reaping transport section A can be rotated up and down with respect to the machine body, and the reaping transport section A can be attached and detached at the rotation pivot part, a rotary support on the machine side that pivotally supports the reaping transport section A. 6, a fixed connector 8 is fixed in the forward direction, and a removable connector 17, which is arranged near the pivot shaft 1 of the reaping transport section A and connected to the reaping transport section side harness 18, can be inserted into the fixed connector 8. A harness connection structure for a combine harvester reaping conveyance section, characterized by: