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Tipping warning device of automobile crane

A technology for truck cranes and early warning devices, applied in cranes, safety devices, transportation and packaging, etc., can solve the problems of overturning accidents, complex structures, large errors, etc., and achieve the effects of accurate early warning, simple and effective methods, and simple structures

Inactive Publication Date: 2010-07-21
HUAIYIN INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Truck cranes with a simple structure use mechanical devices and visual inspection to determine the inclination angle, length of the arm stem, and working radius, and check the actual lifting capacity by consulting the rated lifting capacity table. The error is relatively large, and it is easy to cause a tipping accident.
Imported relatively advanced truck cranes have fully automatic overload prevention devices, but the structure is complex, the cost is high, and it will still be affected by the unevenness of the road surface

Method used

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  • Tipping warning device of automobile crane
  • Tipping warning device of automobile crane
  • Tipping warning device of automobile crane

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Embodiment Construction

[0013] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0014] Such as figure 1 , 2 As shown, a rollover early warning device is installed on a full hydraulic truck crane. The rollover early warning device includes four oil pressure sensors 1, an analog input circuit 2, a microprocessor 3, and an alarm indicator 4. The analog input circuit 2 The input terminal is connected to the output terminals of four oil pressure sensors 1, the output terminal of the analog input circuit 2 is connected to the A / D module of the microprocessor 3, and the microprocessor 3 is connected to the alarm indicator 4, LED driver 5 and LED digital tube 6 , forming a rollover warning device as a whole; 4 oil pressure sensors 1 are respectively installed at the oil cylinders of the 4 outriggers to detect the oil pressure in the oil cylinders of each outrigger of the truck crane in real time, and transmit the data to the mic...

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Abstract

The invention discloses a tipping warning deice of an automobile crane, which comprises a plurality of oil pressure sensors (1) matched with the number of supporting legs, an analog quantity input circuit (2), a microprocessor (3) and a warning indicator (4), wherein an input end of the analog quantity input circuit (2) is connected with an output end of each oil pressure sensor (1), an output end of the analog quantity input circuit (2) is connected with an A / D module of the microprocessor (3), and the microprocessor (3) is connected with the warning indicator (4) to integrally form the tipping warning device. The tipping warning device detects the bearing reaction condition of each supporting leg of the automobile crane in real time to judge the tipping risk degree of the automobile crane, and warn an operator in time when the automobile crane is confirmed to be in a tipping dangerous condition so that the operator has time to eliminate tipping dangers by an operating method.

Description

technical field [0001] The invention relates to an early warning device, in particular to an early warning device for an automobile crane tipping over. Background technique [0002] Crane truck is a car that installs lifting equipment on a car or a special chassis to complete the task of loading and unloading goods or hoisting building components. It is widely used in transportation, construction projects, etc., especially suitable for scattered goods, narrow sites, and high lifting heights. construction site. In order to expand the load-bearing surface and load-bearing strength of the truck crane and increase the stability during operation, the truck crane uses outriggers to support the truck crane on a solid ground. Truck cranes with a simple structure use mechanical devices and visual inspection methods to determine the inclination angle of the arm stem, the length of the arm stem, and the working radius, and check the actual lifting weight by consulting the rated liftin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/88B66C15/06B66C23/36
Inventor 夏晶晶常绿胡晓明许善珍陈杰
Owner HUAIYIN INSTITUTE OF TECHNOLOGY
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