End location self-lying lift hook of lorry-mounted crane

Abstract

A lorry-mounted crane final position self-lying hook belongs to a hook of an engineering mechanism. The two sides of an arm head protrusion sliding track of the self-lying hook are connected with an arm head left pulley and an arm head right pulley respectively; a hook assembly is connected at the lower end of a roller component; a hook left pulley and a hook right pulley are connected in the hook assembly; wire ropes are connected between the arm head left and right pulleys and the hook left and right pulleys; the arm head left pulley and the hook left pulley are arranged at an angle of 90 DEG, and the arm head right pulley and the hook right pulley are arranged at an angle of 90 DEG. The invention has the advantages that the hook assembly is driven to overturn automatically through wire rope hoist lift force; the hook is tightened horizontally on the lower plane of a suspension arm; the sight of a drive is not obstructed by the hook and cables, so as to improve running safety, prevent poor effect of a carriage deformation caused by fixing the wire rope too tight, can guarantee certain cargo height, maximize the cargo space and have no need for manual intervention during whole hook tightening and loosening processes.

Description

technical field [0001] The invention relates to a hook of an engineering mechanism, in particular to a self-lying hook at the end position of a truck-mounted crane. Background technique [0002] At present, for general truck-mounted cranes, the hook must be fixed with a steel wire rope or with a sleeper during driving. Therefore, the operator has to go up and down the loading platform to loosen or fix the hook when the truck-mounted crane starts or ends the operation. The hook will occupy a certain loading height space, which limits the height of the cargo and is not conducive to loading cargo; when the boom is fixed above the cab, it will interfere with the driver's sight during driving and bring hidden dangers to driving safety. Contents of the invention [0003] The object of the present invention is to provide a self-lying hook at the end position of a truck-mounted crane that is convenient for operation, beneficial for loading goods, and does not interfere with the d...

AI Technical Summary

Problems solved by technology

Therefore, the operator has to go up and down the loading platform to loosen or fix the hook when the truck-mounted crane starts or ends the operation. The hook occupies a certain loading height space, which limits the height of the cargo and is not conducive to loading cargo; when the boom is fixed above the cab, it will interfere with the driver's sight during driving and bring hidden dangers to driving safety.

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