Flexible shock-absorbing clutch mechanism

Abstract

The invention relates to a flexible shock absorption type clutch mechanism, which comprises a handle, a handle base, an end cover, a first push-pull rod, a second push-pull rod, and a flexible shaft, the first push-pull rod passes through the end cover and is coaxially and slidably connected to the end cover, the handle base is in front of the end cover and is fixed on the front part of the first push-pull rod, the handle is fixed on the handle base, the rear end of the second push-pull rod is coaxially and rotatably connected to the front end of the flexible shaft, the rear part of the first push-pull rod is provided with a T-shaped groove which stretches to the left and the right, the front part of the second push-pull rod is a T-shaped head which can radially and axially slide and angularly swing by a small amplitude in the T-shaped groove, the T-shaped head is embedded in the T-shaped groove and connected through an upper pin and a lower pin which are vertically and coaxially arranged, the small ends and big ends of the pins are respectively located in the first push-pull rod and the second push-pull rod, a compressed spring is arranged between the two pins in the pin holes of the second push-pull rod, the stepped surfaces of the two pins respectively press the upper groove wall and lower groove wall of the T-shaped groove, and a gap exists between the T-shaped head and the T-shaped groove. The invention can solve the problem of high-frequency vibration of the handle, thus effectively increasing the reliability and safety of a coal mining machine.

Description

technical field [0001] The invention relates to a flexible shock-absorbing clutch mechanism for the cutting part of a coal mining machine. Background technique [0002] The clutch mechanism of the cutting part of the shearer is fixedly installed on the cutting motor of the shearer through its end cover. The push-pull rod of the clutch mechanism is coaxially connected with the flexible shaft. The handle realizes the engagement and disengagement of the external spline of the flexible shaft and the internal spline of the first shaft gear of the cutting part of the coal shearer, thereby realizing power transmission and disconnection. [0003] There are manufacturing and installation errors between the end cover and the flexible shaft of the clutch mechanism of the cutting part of the traditional shearer, and the concentricity is difficult to guarantee. In the case of poor concentricity, the handle of the clutch mechanism is easy to be High-frequency vibration occurs, and the no...

AI Technical Summary

Problems solved by technology

[0006] Zhang Yongquan, Zhao Shufei, and Zhang Peng's scientific paper "Improved Design of Rocker Clutch for Shearer" discloses a method and structure to solve the problem that the pin of the rocker clutch of a shearer is easily cut off, but it also does not solve the problem of the handle of the clutch mechanism. The problem of high frequency vibration

Images