Linear motion self-lock device

Abstract

The invention provides a linear motion self-lock device which comprises a cylinder body, a trapezoid tooth lock rod, a piston core and a locking block. A piston channel is arranged in the cylinder body, the piston core is located in the piston channel and can slide up and down in the piston channel by air pressure push, and two ends of the piston channel are respectively provided with an air supply port. When the piston core oppresses the tail of the locking block, the locking block rotates to enable the head of the locking block to be embedded in a trapezoid tooth, so that the trapezoid tooth lock rod is locked; and when the piston core does not oppress the tail of the locking block, a returning mechanism enables the locking block to rotatably return, the head of the locking block is separated from the trapezoid tooth, so that the trapezoid tooth lock rod is unlocked. The linear motion self-lock device has the advantages that locking is performed through the locking block, a borne load is large, and the linear motion self-lock device is safe, reliable, simple in structure and low in manufacturing cost; locking and unlocking control are performed pneumatically, and the linear motion self-lock device is simple and convenient to control and suitable for being popularized widely.

Description

technical field [0001] The invention relates to the field of mechanical equipment, in particular to a linear motion self-locking device. Background technique [0002] With the rise of the cultural industry, various domestic entertainment projects have developed rapidly, and various amusement equipments have emerged in an endless stream. As an important part of amusement equipment, the lifting stage has become a common tourist carrier. The stage generally moves vertically. In order to ensure safety, the stage is generally equipped with a self-locking safety device. However, the existing self-locking technology generally relies on brakes to achieve self-locking. This method of self-locking will cause friction, resulting in self-locking. The life of the lock is shortened, the safety performance is poor, the self-locking is unreliable, and accidents are prone to occur. Contents of the invention [0003] In order to solve the problems in the prior art, the invention provides ...

AI Technical Summary

Problems solved by technology

The stage generally moves vertically. In order to ensure safety, the stage is generally equipped with a self-locking safety device. However, the existing self-locking technology generally relies on brakes to achieve self-locking. This method of self-locking will cause friction, resulting in self-locking. The life of the lock is shortened, the safety performance is poor, the self-locking is unreliable, and accidents are prone to occur

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