Safety monitoring method and system for tower crane jacking system

A system safety, tower crane technology, applied in the field of tower crane control information processing, can solve problems such as blockage of frame rollers, lack of technical guidance, aging of hydraulic system components, etc., to achieve the effect of improving safety

CN111891951AActive Publication Date: 2020-11-06丽水市特种设备检测院
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2020-11-06

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Abstract

The invention belongs to the technical field of tower crane control information processing and discloses a safety monitoring method and system for a tower crane jacking system. Inclination state analysis and numerical simulation of the jacking system under a wind load, jacking sleeve frame numerical simulation modeling and analysis under multiple loads, jacking sleeve frame contact equilibrium dynamic detection and regulation thereof, and reliability assessment and a fault diagnosis method of the tower crane hydraulic jacking system are included. According to the safety monitoring method and system, sleeve frame contact equilibrium state detection technology of the tower crane jacking system under variable loads is analyzed, and real-time monitoring and early warning of an equipment operation state can be achieved. Dynamic characteristics analysis and operation stability enhancement technology of the tower crane jacking hydraulic system is analyzed, dangerous accidents can be avoided,and the service life of a tower crane can be prolonged. Reliability assessment and fault diagnosis technology of the tower crane jacking system is analyzed, and operation safety of the tower crane inan installation / disassembly link can be ensured effectively. Through the safety monitoring method and system, the stress condition analysis and dynamic monitoring problems of the sleeve frame under the operation condition of a jacking mechanism are solved.
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Description

technical field

[0001] The invention belongs to the technical field of tower crane control information processing, and in particular relates to a method and system for monitoring the safety of a tower crane jacking system. Background technique

[0002] At present, due to the particularity and structure of the tower crane, its safety hazards exist in many factors such as installation, disassembly, use, management, and natural environment. Among the tower crane accidents, safety accidents during jacking operations account for a relatively high proportion. Improving the safety performance of the tower crane jacking system can effectively curb the occurrence of tower crane accidents.

[0003] The jacking mechanism of the tower crane is mainly composed of jacking sleeves, jacking hydraulic cylinders, rollers and tower body standard sections. Its main function is to meet the actual needs of construction by adding and reducing tower body standard sections. In addition to illegal o...

Examples

Embodiment Construction

[0106] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific implementation cases described here are only used to explain the present invention, and are not intended to limit the present invention.

[0107] Aiming at the problems existing in the prior art, the present invention provides a method and system for monitoring the safety of the jacking system of a tower crane. The present invention will be described in detail below in conjunction with the accompanying drawings.

[0108] The method for monitoring the safety of the jacking system of the tower crane provided by the embodiment of the present invention includes:

[0109] 1. Analysis of tilting state of jacking system under wind load and establishment of numerical simulation model

[0110] The jacking frame is the main structure that transmi...