A controlled caving coal hydraulic support, it is with the hydraulic support caving mechanism; rear caving mechanism in hydraulic support; the caving mechanism comprises a tail beam and a tail beam jack, the inserting plate and the inserting plate jack, characterized in that a bracket is installed in the hydraulic controller the bracket; a stroke sensor is installed on the tail beam jack and plug board jack; signal output end of the sensor and the bracket controller is connected with the input end; the control signal output end of the sensor bracket are respectively connected with the control end beam jack and inserted in the action of the solenoid valve is connected with the jack.
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技术研发人员：刘建华，张良，李首滨，王德元，李奎来，曹铁生，王勇，韩伟，
申请(专利权)人：北京天地玛珂电液控制系统有限公司，
类型：实用新型
国别省市：
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