JPS5825148Y2 - Planetary gear type clutch device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a planetary gear type clutch device that allows power transmission between seven drive shafts of various types of power engines and their main power output shafts to be engaged and disengaged.

Conventionally, various types of clutches have been used to transfer the rotational force of the drive shaft of various power engines to the driven machine, or to easily change the gears of a gear transmission by temporarily cutting off the load. It is installed between the extraction shafts.

However, when a hydraulic multi-disc clutch is installed, due to the mechanism of the hydraulic multi-disc clutch, the overall length becomes long and the clutch device becomes long. The disadvantage is that a pump must be provided.

Further, when an air clutch is provided, there is a drawback that the main power output shaft and the main power output shaft cannot be disposed on the same axis as the constantly rotating shaft.

On the other hand, in conventional engines equipped with dampers, the damper is built in between the clutch device and the engine, so
A drawback is that it is difficult to install, remove, and inspect the damper.

Therefore, the present invention aims to eliminate the above-mentioned conventional drawbacks and provide a planetary gear type clutch device that is short in overall length, lightweight, and compact, and in which a constantly rotating shaft and a damper are disposed at the shaft end of the drive shaft. This is the purpose.

That is, the present invention has a main power take-off shaft 10 rotatably fitted on the outer peripheral surface of a drive shaft 1 of an engine, and a constantly rotating shaft 17 with a damper 21 disposed at the shaft end of the drive shaft 1. fixedly installed,
A holding member 2 having an internal gear 4 is fixed to the other end of the drive shaft 1, and the gear shaft of the planetary gear 11 that meshes with the internal gear 4 and rotates is attached to the flange-like member of the main power output shaft 10. A clutch plate 1 in which a sun gear member 12 is rotatably disposed on the outer periphery of a main power output shaft 10 and is formed on the sun gear member 12, which is pivotally supported by a sun gear member 10a and meshed with the planetary gear 11.
It is constructed by providing a hydraulically actuated cylinder 14 that allows the casing member 7 to press and hold 2a.

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

In the embodiment of the present invention shown in the drawings, a drive shaft 1 is pivotally supported via bearings 8 and 9 to a casing member 7 fixed to an engine-side main body 3. gear 4
A holding member 2 having a diameter is fixed with a bolt.

Further, on the outer periphery of the drive shaft 1, a main power take-off shaft 10 is provided, which is rotatably supported by a bearing 8 on the outer peripheral surface and has a main power take-off pulley 18 fixed to one end. The other end is formed into a flange-like member 10a, and a gear shaft 19 of a planetary gear 11 that rotates in mesh with the internal gear 4 is fixed to the flange-like member 10a.

Further, a sun gear member 12 that meshes with the planetary gear 11 is rotatably provided on the outer periphery of the main power output shaft 10 via a bearing 13, and a clutch plate 12 is attached to the sun gear member 12.
a is formed.

This clutch plate 12a is configured to press an operating cylinder 14 provided in the casing member 7 against a disk 7a of the casing member 7 by a pressing operation using hydraulic pressure from a hydraulic injection port 15.

Here, at the end on the same axis as the drive shaft 1, there is a constantly rotating shaft 17.
A constantly rotating pulley 20 is fixedly attached to the pulley 20, and a damper 21 is further fixedly attached to the always rotating pulley 20.

In the above embodiment, the hydraulic pressure from the hydraulic inlet 15 moves the actuating cylinder to the right in the drawing, and the clutch plate 12a
When pressed against the disc member 7a of the casing member 7, the sun gear member 12 stops rotating, the planetary gear 11 rotates around the outer periphery of the sun gear member 12 as the internal gear 4 rotates, and at the same time the main power extraction shaft 10 also rotates in the same direction as the drive shaft 1), resulting in a clutch-in state.

If the hydraulic pressure is then released, the sun gear member 12 becomes rotatable, and the main power output shaft 10 and the drive shaft 1 are in a clutch-off state.

The present invention is configured as described above, and the clutch plate 12a of the sun gear member 12 of the planetary gear train is connected to the casing member 7.
By pressing with a hydraulically operated actuating cylinder 14 or lowering the hydraulic pressure, the engagement/disengagement clutch device in the power transmission device between the drive shaft 1 and the main power output shaft 10 is configured, so it is different from the conventional clutch device. In comparison, the overall length of the clutch device can be shortened and the clutch device can be made smaller and lighter.

Therefore, the space in the engine room can be used more effectively, and the diameter of the clutch's actuating tube can be increased, so it can operate satisfactorily even with low hydraulic pressure, so the lubricating oil for the engine can be It can be used with a pump and is economical.

In addition, since the rotating shaft is always taken out from the axis of the drive shaft,
Installation of the driven machine is easy.

In addition, since the damper can be attached to the shaft end of the drive shaft, it is much easier to install, remove, and inspect the damper compared to conventional dampers, and it also has a function that is effective against torsional vibration of the engine. have.

The present invention can be effectively applied to devices for extracting power from the rotary drive shaft of various engines.

[Brief explanation of drawings]

The drawing is a side sectional view of a main part of a planetary gear type clutch device according to an embodiment of the present invention. 1... Drive shaft, 2... Holding member, 4...
...Internal gear, 7...Casing member, 7
a... Disk member, 10... Main power take-off shaft, 10a... Flange-shaped member, 11...
... Planet gear, 12 ... Sun gear member, 12a
...Clutch plate, 14...Operating tube, 1
5...Hydraulic inlet, 17...Continuously rotating shaft, 18...Main power take-off pulley, 21...
...damper.

Claims (1)

[Scope of utility model registration request] It has a main power take-off shaft 10 that is rotatably fitted on the outer peripheral surface of a drive shaft 1 of the engine, and a damper 2 is attached to the shaft end of the drive shaft 1.
1, and a holding member 2 having an internal gear 4 is fixed to the other end of the drive shaft 1.
The gear shaft of the planetary gear 11 that rotates in mesh with the internal gear 4 is pivotally supported on the flange-like member 10a of the main power take-off shaft 10, and the sun gear member 12 that meshes with the planet gear 11 is attached to the main power take-off shaft. A planetary gear type clutch device characterized in that a hydraulic cylinder 14 is rotatably disposed on the outer periphery of the sun gear member 10 and is capable of holding the clutch plate 12a, which is the sun gear member 12, against the casing member 7.