Electro-hydraulic gantry combined belt breakage protection device



The invention discloses an electro-hydraulic gantry combined belt breakage protection device comprising a plurality of braking mechanisms, encoders, an explosion-proof and intrinsic safety type programmable logic controller (PLC) electric cabinet, a remote input/output (I/O) module control operation box, a coal blocking alarm device, a voice alarm device, an explosion-proof vacuum electromagnetic starter and a hydraulic system which are arranged on a belt conveyer. The encoders monitor the operation status of a belt in real time and transmit a signal to the explosion-proof and intrinsic safety type PLC electric cabinet to analyze, and an electrical system accurately judges a belt breakage signal and then sends out a command to capture. The hydraulic system supplements the pressure to an energy storage device and releases the same, so that the brake mechanisms can quickly and accurately act. The electro-hydraulic gantry combined belt breakage protection device has the beneficial effects that: the signal acquisition is sensitive and accurate, the braking is flexible and quick, the installation is convenient and simple, the braking force is strong, the belt is tightened when sliding down, the belt is contacted in a full section surface when in braking and does not have secondary harm to the belt; and the whole device has a small dimension and is applicable to roadways with various working conditions.




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    CN-102705274-AOctober 03, 2012中国重型机械研究院有限公司液压驱动断带保护系统
    CN-102705274-BDecember 10, 2014中国重型机械研究院有限公司液压驱动断带保护系统
    CN-103708208-AApril 09, 2014力博重工科技股份有限公司带有缓冲装置的断带抓捕装置综合性能安全试验系统
    CN-106185243-ADecember 07, 2016江苏师范大学Coal conveyor belt protection device and working method thereof