Rotatable stay wire type safety protection hook

Abstract

The invention provides a rotatable stay wire type safety protection hook, and belongs to the field of coal mine safety protection. The rotatable stay wire type safety protection hook comprises a control rod, a hook body, a gear, a locking sleeve, a locking pin, a first control line and a second control line, wherein a first control piece and a second control piece are arranged at the lower end ofthe control rod, under driving of the first control piece, the hook body can be controlled to swing or be locked relative to the control rod under the action of external force, under the driving of the second control piece, the locking pin can extend or retract relative to the locking sleeve, and the locking sleeve can swing or be locked relative to the hook body. The rotatable stay wire type safety protection hook is simple in structure, lower in cost investment and suitable for application and popularization, a traditional protective chain hooking mode is changed, an operator only needs to stand on the ground, the hooking operation of the other end of a protective chain can be rapidly completed through the control rod and the control piece, the hooking operation is simpler, the high-altitude falling risk existing in the hooking operation process can be avoided, and the hooking position can be conveniently moved after hooking.

Description

technical field [0001] The invention relates to the field of coal mine safety protection, in particular to a rotatable pull-wire type safety protection hook. Background technique [0002] The dominant position of coal in my country's primary energy structure will not be shaken in the next 30 years. In order to achieve the purpose of safe and efficient mining, many mines are equipped with large-section mining tunnels, and the height of the tunnels generally exceeds 3m, which also brings many safety problems. For example, in the process of installing the column of the column drilling rig, the single column and other equipment, there are safety accidents such as equipment dumping and injury, etc. In order to reduce the risk and damage of such safety accidents, protective chains are generally used for protection. One end of the protective chain is connected to the equipment, and the other end of the protective chain needs to be hooked to the beam and other positions by manpower....

AI Technical Summary

Problems solved by technology

When the other end of the protective chain is hooked, accidents such as falling from high altitudes often occur, the risk is high, the operation is cumbersome and difficult, and it is not easy to move after hooking

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