JPS6016754Y2 - Combine engine emergency stop device - Google Patents

Description

[Detailed explanation of the device] This device performs normal processing when the permissible amount of waste culm is sent, and when more waste culm than the allowable amount is sent, the straw pressure is This invention relates to an emergency stop device for a combine engine, in which a rear cover of a combine cutter is opened, and when the rear cover is opened, a stop device for the combine engine is activated to stop the operation of the engine.

Generally, in a combine harvester, a cutter is provided as one of the culm processing devices at the end of the culm path.

There are various types of cutters, but each cutter has a processing capacity.

In such a combine harvester, if a large amount of waste culm is supplied to the cutter at the same time, the cutter may not work smoothly, and such a quantity is generally said to be more than the processing capacity or more than the allowable amount. .

By the way, when more waste culms than the allowable amount are fed to the cutter, the cutter cannot process them sufficiently and a so-called straw clogging phenomenon occurs in that part.

If this situation continues, it will not only cause straw clogging, but also damage to the machine, so it is necessary to identify this phenomenon of straw clogging at an early stage and deal with it safely and appropriately. .

In this invention, a long hole is formed in a part of a switching tool which is rotatably connected to the upper cover of the culm cutter via a support, and this switching tool is used to open and close the culm cutter. The switching tool is pivotally attached to the rear cover via a connecting piece, and the switching tool is connected to a wire connected to an engine stop device, and a shaft rod is engaged in the elongated hole of the switching tool, and the shaft rod is connected to a spring. It has the function of closing the rear cover and pushing the engine stop wire, and when the rear cover opens more than a certain angle, the shaft rod moves,
If the spring passes the dead center and pulls the engine stop wire, and the culm is within the allowable amount, it will be cut by the cutter, but if it exceeds the allowable amount, it will end up in the cutter case. When the straw ash accumulates, the rear cover is pressed open and the switching tool connected to it rotates.When the switching tool rotates over a certain angle, the shaft rod moves within the long hole of the switching tool, causing its death. When the point is exceeded, the rear cover is further opened by the traction force of the spring, and the engine stop wire is pulled, making it possible to stop the combine engine and open the rear cover almost simultaneously. It was developed with the purpose of providing.

Now, one embodiment of the emergency stop device for a combine engine according to this invention will be described based on the drawings. 1 is the combine main body, 2 is the combine main body 1 parallel to the exhaust culm conveyance rail 3, and arranged at the rear of the combine main body 1. This is a culm conveying body extending from the culm cutter 4.

This culm removal cutter 4 is constructed by disposing disk blades 6.degree. 6' on two parallel rotating shafts 5, 5' at a constant interval.

7 is an upper cover of the culm cutter 4, and 8 is a rear cover disposed on the upper cover 7 via a shaft 9 so as to be openable and closable.

Reference numeral 10 denotes a switching tool rotatably connected to the upper cover 7 via a support 11, and a long hole 10 is provided in one side of the switching tool 10, that is, in the normal state, on the side facing the rear cover 8. ′ shall be provided.

Reference numeral 12 denotes a spring for pulling the shaft rod 13 fitted into the elongated hole 10' toward the combine main body 1, and one end of this spring 12 is connected to the locking tool 1 fixed to the upper cover 7.
It is connected to 4.

Further, reference numeral 15 denotes a locking tool fixed to the rear cover 8, and a connecting piece 16 is connected to this locking tool 15, and this connecting piece 16 is pivotally connected to the switching tool 10.

Reference numeral 17 denotes a transmission rod connected to the switching tool 10, and this transmission rod 17 is further connected to an engine stop cover wire 18 connected to an engine stop device (not shown).

Thus, when cutting the waste culm, the combine engine is operated, thereby operating the waste culm conveyor 2 and the waste culm cutter 4.

Then, the culm coming out of the combine main body 1 is conveyed to the culm cutter 4 side while being held between the culm conveying body 2 and the culm conveying rail, and is eventually cut by the disc blades 6 and 6'. It is.

However, when the amount of waste culms that are sent reaches the above-mentioned allowable amount, the waste culms accumulate inside the cutter case, and the straw ash presses the rear cover 8, causing it to rotate in the opening direction. It will be opened at the same time.

When the rear cover 8 begins to open, the switching tool 10 also rotates, but at this time, the shaft 1
3 is pulled toward the combine main body 1 side by the spring 12, so that the shaft rod 13 slides within the elongated hole 10' of the switching tool 10 and moves to the other end.

In the process of moving the shaft rod 13 into the long hole 10', when the shaft rod 13 exceeds the dead point in the long hole 10', the rotation of the switching tool 10 is further promoted by the traction force of the spring 12. This facilitates opening of the rear cover 8 and pulling of the engine stop wire 18.

At this stage, the operation of the combine engine is stopped and the rear cover 8 is completely opened, and this state is maintained.

Then, when the rear cover 8 is opened and the clogged culm is removed and the rear cover 8 is closed, the switching tool 10 returns to its original state, and therefore the shaft rod 13 is moved to the switching tool 1.
The engine moves backward through the elongated hole 10' of 0 and maintains the closed state of the rear cover 8, and the engine becomes ready for operation.

As mentioned above, according to the emergency stop device for a combine engine according to the present invention, even if the culm becomes clogged, it is possible to open the rear cover and thereby stop the operation of the combine engine due to the provision of the switching device. This operation can be carried out almost simultaneously, and this operation is carried out by a slight trigger caused by the straw ash added to the rear cover, which has the effect of preventing damage to the cutter.

[Brief explanation of the drawing]

The drawings show an embodiment of the emergency stop device for a combine engine according to this invention, in which Fig. 1 is a side view of the rear cover in the closed state, Fig. 2 is a side view of the rear cover in the open state, and 1 is a side view of the combine engine. Main body, 2 is a culm conveyor, 3 is a culm conveyor rail, 4 is a culm cutter, 5, 5' is a rotating shaft, 6,
6' is a disc blade, 7 is an upper cover, 8 is a rear cover, 9 is a shaft, 10 is a switching tool, 10' is a long hole, 11 is a support body, 12
is a spring, 13 is a shaft rod, 14 and 15 are locking devices, 16
1 is a connecting piece, 17 is a transmission rod, and 18 is an engine locking wire.

Claims (1)

[Scope of utility model registration request] A long hole is formed in a part of the switching tool which is rotatably connected to the upper cover of the culm cutter via a support, and a connecting piece is attached to the switching tool to the openable and closable rear cover of the culm cutter. The switching tool is pivotally mounted through the switching tool, and a wire connected to an engine stop device is connected to the switching tool, and a shaft rod is engaged in the elongated hole of the switching tool, and this shaft rod is pulled by a spring, and the rear It has the function of closing the cover and pushing the engine stop wire, and when the rear cover opens more than a certain angle, the shaft rod moves and the spring crosses the dead center and pulls the engine stop wire. Features: Emergency stop device for combine engines.