Single-side manual locking device of dual-column lifting machine

Abstract

The invention discloses a single-side manual locking device of a dual-column lifting machine. The dual-column lifting machine comprises a pair of stand columns, sliding tables arranged in the stand columns, jacking oil cylinders arranged in the sliding tables, and oil pumps communicating with the jacking oil cylinders. The single-side manual locking device is characterized by comprising locking devices arranged between the stand columns and the corresponding sliding tables; each locking device comprises a lock rod arranged on the corresponding stand column, and a lock block arranged at the position, beside the lock rod, of the corresponding stand column, each sliding table is provided with a lock protrusion matched with the corresponding lock block, and a jacking rod is arranged on one side of each lock rod; a left connecting column is arranged on the lock rod on the left side, a lock rod guide wheel is arranged at the position, above the lock rod on the left side, of the correspondingstand column, a right connecting column is arranged on the lock rod on the right side, a steel wire rope is sequentially connected among the right connecting column, the lock rod guide wheel and theleft connecting column, an operation rod is arranged on the lock rod on the right side, a handle is arranged on the stand column on the right side, and a lock hook matched with the operation rod is arranged at the end portion of one end of the handle. The number of parts is reduced, mounting and maintaining are facilitated, operation is easy, and production cost is reduced on the premise of ensuring action reliability and use safety.

Description

technical field [0001] The invention belongs to the technical field of lifting equipment, and in particular relates to a single-side manual locking device of a double-column lift. Background technique [0002] Double-column lift is a special mechanical lifting equipment commonly used in automobile repair and maintenance units. It is the main type of lift and is widely used in the repair and maintenance of small cars such as cars. It usually includes a pair of uprights facing each other on the left and right sides, a slider and a jacking cylinder respectively arranged in a pair of uprights, and a locking mechanism for locking the slider, wherein the locking mechanism is to prevent sliding. It is one of the key components for the accidental slide of the block, it is the guarantee of life safety, and it is also one of the important considerations for users to choose a lift. At present, the locking mechanism of the double-column lift on the market is mainly divided into two typ...

AI Technical Summary

Problems solved by technology

The disadvantages of this technical solution are: it adopts a structure in which multiple rollers are connected to each other to make the safety devices interlock with each other, the number of parts is large, the structure is complicated, and the installation and maintenance are difficult.

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