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Vertical control system of crane hook and control method thereof

A control system and crane technology, applied in cranes, load hanging components, safety devices, etc., can solve the problems of high maintenance cost and poor monitoring effect, so as to improve safety, improve the scope of application of the system, and ensure detection accuracy Effect

Pending Publication Date: 2022-02-08
WUHAN MARINE MACHINERY PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the shortcomings of high maintenance cost and poor monitoring effect in the prior art, and provide a single-layer steel wire rope drum with easy operation and low production cost

Method used

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  • Vertical control system of crane hook and control method thereof
  • Vertical control system of crane hook and control method thereof
  • Vertical control system of crane hook and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0078] A crane hook vertical control system, the control system includes: boom 1, pulley 2, wire rope 3, hook 4, controller 5, tension sensor 6, inclination sensor 7, luffing mechanism 8, slewing mechanism 9, Lifting mechanism 10 and crane tower body 11; the top of the boom 1 is provided with a pulley 2 that rotates with it, the bottom of the boom 1 is connected with the crane tower body 11, and the bottom of the boom 1 is connected with the crane The tower body 11 rotates and cooperates, the rotation axis of the boom 1 is set horizontally, the luffing mechanism 8 is in transmission cooperation with the boom 1, the slewing mechanism 9 is in transmission cooperation with the bottom of the crane tower body 11, and the crane tower body The bottom of 11 rotates with the top of the crane chassis, and the crane tower 11 is provided with a hoisting mechanism 10, and the hoisting mechanism 10 is provided with a tension sensor 6, and the tension sensor 6 is used for measuring Pulling f...

Embodiment 2

[0093] Embodiment 2 is basically the same as Embodiment 1, and its difference is:

[0094] The control method also includes a calibration step of the tension sensor 6, the calibration step of the tension sensor 6 is performed by the operator during the crane installation stage or the crane maintenance stage, and the calibration step of the tension sensor 6 is as follows:

[0095] The operator operates the control platform 12 to manually input the empty hook weight of the hook 4, which is the tension detected by the tension sensor 6 when the hook 4 is at the same height as the top of the cargo to be lifted; 4. After the empty weight is checked, the operator operates the controller 5 to enter the calibration step and perform the second preparation step, the third step detection step and the fourth step adjustment step. At the same time, the operator observes the working condition of the crane. When the goods are hoisted off the ground or the hoisting mechanism 10 does not start ...

Embodiment 3

[0097] Embodiment 3 is basically the same as Embodiment 2, and its difference is:

[0098] The control method also includes a calibration step of the inclination sensor 7, the calibration step of the inclination sensor 7 is performed by the operator during the crane installation stage or the crane maintenance stage, and the calibration steps of the inclination sensor 7 are as follows:

[0099] The operator operates the controller 5 to enter the calibration step and keeps the hook 4 vertically downward. The operator operates the controller 5 to calibrate the inclination signal sent by the inclination sensor 7 at this time to be 0 degrees, and the operator operates the controller after calibrating the 0 degree inclination signal 5. Input the safety threshold of the crane. After the operator enters the safety threshold of the crane, operate the crane to perform the second preparation step, the third detection step and the fourth adjustment step to calibrate the safety threshold of...

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Abstract

The invention relates to a vertical control system of a crane hook; the system comprises an arm frame, a pulley, a steel wire rope, a lifting hook, a controller, a tension sensor, a tilt angle sensor, a luffing mechanism, a slewing mechanism, a hoisting mechanism, a crane tower body and a control platform; the top of the arm frame is provided with thepulley which is in rotating fit with the arm frame, the bottom of the arm frame is in rotating fit with the crane tower body, the luffing mechanism is in transmission fit with the arm frame, the bottom of the crane tower body is in rotating fit with the top of the crane chassis, and the crane tower body is provided with the hoisting mechanism. The hoisting mechanism is provided with the tension sensor, the tension sensor is used for measuring the tension received by a steel wire rope, the hoisting mechanism is fixedly connected with the lifting hook through the steel wire rope, and the tilt angle sensor is arranged at the position, close to the lifting hook, of the steel wire rope. According to the design, the arm frame can be automatically controlled to adjust the position so as to prevent the lifting hook from swinging after lifting, and electric driving or hydraulic driving can be adopted to meet different requirements.

Description

technical field [0001] The invention relates to a crane control system, in particular to a crane hook vertical control system and a control method thereof, and is particularly applicable to the crane hook vertical control system and the control method for preventing the hook from swinging after hoisting. Background technique [0002] A crane refers to a multi-action hoisting machine that lifts vertically and transports heavy objects horizontally within a certain range. The crane bears the lifting load through the jib and the wire rope, and drives the load to move vertically or horizontally. The crane changes the direction of the wire rope through the pulley at the top of the jib. , so that the steel wire rope can lift the goods upwards. If the goods to be lifted are not directly below the pulley during the lifting process of the crane, the steel wire rope for lifting the goods will form an angle with the vertical line passing through the pulley, and there is no guarantee that...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C13/48B66C13/46B66C13/18B66C13/16B66C13/40B66C15/00B66C23/06B66C23/16
CPCB66C13/48B66C13/46B66C13/18B66C13/16B66C13/40B66C15/00B66C23/06B66C23/16
Inventor 黄淮山胡屾吴健
Owner WUHAN MARINE MACHINERY PLANT
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