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Optimal control method and control system of single-cylinder bolt type telescopic boom trail

A single-cylinder bolt type, optimized control technology, applied in cranes and other directions, can solve the problems of shortening the service life of the bolt mechanism, car crashes, low telescopic efficiency, etc., and achieve the effect of improving telescopic reliability and work efficiency

Active Publication Date: 2010-03-17
ZOOMLION HEAVY IND CO LTD
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

Obviously, this conversion method has the disadvantage of low scaling efficiency
In particular, every unnecessary pin removal will cause the latch mechanism to bear the impact of a boom weighing dozens of tons, greatly shortening the service life of the latch mechanism; as we all know, once there is a problem with the latch mechanism, it may cause terrible car crash as a result of

Method used

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  • Optimal control method and control system of single-cylinder bolt type telescopic boom trail
  • Optimal control method and control system of single-cylinder bolt type telescopic boom trail

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Embodiment Construction

[0050] Based on the existing single-cylinder bolt-type telescopic mechanism, the core of the present invention is to establish a mathematical model, and determine the constraint conditions according to the stroke of the telescopic oil cylinder, and obtain the most convenient telescopic path through an optimization method, which can effectively improve the expansion and contraction of the single-cylinder bolt-type telescopic arm. Job reliability and work efficiency.

[0051] The present embodiment will be specifically described below in conjunction with the accompanying drawings.

[0052] See figure 2 , which is a block diagram of the working principle of the trajectory optimization control system for the single-cylinder bolt-type telescopic boom described in this embodiment.

[0053] The trajectory optimization control system of the single-cylinder bolt type telescopic boom includes an input device 10 , a controller 20 and an output device 30 .

[0054] Among them, the inpu...

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Abstract

The invention discloses an optimal control method of a single-cylinder bolt type telescopic boom trail, which is applicable to the switching between any two working conditions of any section of a telescopic boom. In the invention, the constrained conditions are determined according to the stroke of a telescopic cylinder; when the telescopic boom is changed to target state B from the current stateA, the most rapid and convenient inset path can be obtained based on the current position of the bolt mechanism and other conditions. Compared with the prior art, the invention greatly improves the telescopic reliability and work efficiency of the single-cylinder bolt type telescopic boom. The optimal control method and the system of the single-cylinder bolt type telescopic boom trail provided inthe invention is applicable to the telescopic booms of any engineering machinery, in particular to the telescopic boom of a heavy duty crane. On the basis, the invention also provides an optimal control system of the single-cylinder bolt type telescopic boom trail.

Description

technical field [0001] The invention relates to a control method for a single-cylinder bolt-type telescopic arm, in particular to an optimal control method for the trajectory of a single-cylinder bolt-type telescopic arm. Background technique [0002] The telescopic structure of the telescopic arm used for construction machinery has two types: a telescopic hydraulic cylinder plus a rope row type and a single-cylinder latch type. For large-tonnage cranes with more than 5 jib sections, only the single-cylinder latch structure can only be used due to the limitation of its structure. [0003] The main working principle of the single-cylinder bolt type telescopic mechanism is: a telescopic oil cylinder is arranged in the boom, the head of the telescopic oil cylinder is provided with a bolt mechanism, and a working pin is arranged on the bolt mechanism. Each arm is roughly distributed with bearing pin holes in the length direction of about 0%, 46%, 90%, and 100%, and the tail is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/04
CPCB66C23/705
Inventor 詹纯新刘权郭纪梅胡起飞刘永赞黎鑫溢
Owner ZOOMLION HEAVY IND CO LTD
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