Jaw clutch capable of achieving engagement under high rotating speed condition

Abstract

The invention discloses a jaw clutch capable of achieving engagement under a high rotating speed condition. The jaw clutch capable of achieving engagement under the high rotating speed condition at least comprises a driving jaw disk, a friction plate, a friction disk, a friction disk sleeve, a driven jaw disk, a driven jaw disk sleeve, a pressing mechanism and a transmission mechanism. The driving jaw disk is fixed to a driving shaft. The driven jaw disk and the friction disk are connected with a driven shaft. When engagement is required, the friction disk is controlled by the transmission mechanism to approach the driving jaw disk in the axial direction, the friction plate on the friction disk firstly makes contact with the driving jaw disk and generates friction force under the action of the pressing mechanism, and the friction disk and the driven jaw disk rotate along with the driving jaw disk and accelerate gradually; when the rotating speed difference between the driven jaw disk and the driving jaw disk is zero or reaches a preset value, the transmission mechanism controls the driven jaw disk to approach the driving jaw disk in the axial direction, trapezoidal teeth, provided with protruding columnar surfaces, on the disks make contact with one another and are engaged and locked automatically. When separation is required, the transmission mechanism firstly separates the driven jaw disk from the driving jaw disk, and then the friction disk is separated from the driving jaw disk.

Description

technical field [0001] The invention belongs to the field of mechanical transmission, and relates to a dog clutch, in particular to a dog clutch that can be engaged at a high speed. Background technique [0002] Clutch is an indispensable device in mechanical transmission. It mainly plays the role of connecting and cutting off power. According to the way of torque transmission, clutch can be divided into two types: chiseled type and friction type; chiseled type is further divided into toothed type and gear type; The jaw clutch has small dimensions, small moment of inertia of the driven part, and large transmission torque. Disengage to achieve the clutch of the main and driven shafts; the teeth of the clutch include rectangle, trapezoid, zigzag and triangle. Rectangular teeth are difficult to embed and disengage, and cannot be automatically compensated after tooth wear, so they are rarely used; trapezoidal and serrated teeth are easy to fit and separate, and can be automatic...

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the defects that the existing jaw clutches can only be engaged at a standstill or when the speed difference is small, as well as the disadvantages of large impact and easy wear of the teeth during meshing, by adding a set of friction discs (including Friction plate) makes the speed of the driven plate close to or synchronized with the driving plate, and then engages the teeth of the two half-clutches to achieve engagement at high speeds. At the same time, the specially designed teeth can increase the torque and realize self-locking Purpose

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