A monitoring system and method for crane hook swing

Abstract

The invention belongs to the field of crane control systems, and particularly relates to a crane hook swing monitoring system and method. A controller reads a rotation angle signal detected by a rotation encoder in real time, the current rotation speed and accelerated speed are calculated, the hook swing angle and range are calculated by combining the current rotation speed and accelerated speed with the current crane body attitude parameter and sent to a displayer, and the displayer displays the hook swing angle and range to a human-computer interface; a controller reads lifting weight information sent by a moment limiter, the arm rest lateral loading force caused by hook swing is calculated in real time through the lifting weight information in cooperation with the hook swing angle, the hook swing range and rope length information and sent to the displayer to be displayed. Dynamic data relevant to a hook swing system is displayed in a visualized mode on the human-computer interactive interface, an alarm is intelligently given when swing angle and arm rest lateral force are too large, the handle operation speed is intelligently evaluated and reminded, and an operator is guided for safety operation.

Description

technical field [0001] The invention belongs to the field of crane control systems, and in particular relates to a monitoring system and method for swinging of a crane hook. Background technique [0002] With the continuous development of technology, the demand for improving the intelligent level and safety performance of cranes is becoming stronger and stronger. During the lifting operation of the crane, due to the existence of inertia, the movement of the jib arm head and the hoisted object will be out of sync, resulting in the hook swing phenomenon. The swinging phenomenon of the hook will increase the difficulty of product operation and reduce the transfer efficiency. The lateral force caused by the swing will cause serious damage to the hydraulic components and mechanical structure. Even the swinging phenomenon of the hook will make the transfer work difficult to control and increase the risk of tipping. Therefore, the swing degree of the hook and the smoothness of the...

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Problems solved by technology

[0009] b. To calculate the side load moment according to the pressure difference between the inlet and outlet of the rotary motor, it is necessary to increase the pressure sensor of the oil inlet and outlet, which will increase the cost

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