掩护式液压支架中双控液压锁的研究设计
姚雪，王艺
（中国矿业大学（北京） 机电与信息工程学院，北京100083）
摘要： 由于煤炭业的高速发展，机械化采煤方式越来越广泛应用。对掩护式液压支架液压系统的设计进行了相关研
究，着重于双控液压锁的创新设计，目的是实现平衡千斤顶双腔的有效闭锁，能在立柱上升时实现解锁。
关键词： 液压支架；液压锁；液压系统；煤炭工业
中图分类号： TD35 文献标识码： A 文章编号： 2095-0802-(2016)02-0152-02
Research and Design on Dual-control Hydraulic Lock in Cover Beam Hydraulic Support
YAO Xue, WANG Yi
(School of Mechanical Electronic & Information Engineering, China University of Mining and Technology (Beijing), Beijing 100083,
China)
Abstract: With the rapid development of the coal industry, mechanized mining methods have become more widely used. This
paper covered related research on hydraulic system design of hydraulic supporter, focused on the innovative design of dual-control
hydraulic lock with the aims to realize the balance of effective closure of jack's dual chamber and achieve the unlock when ram
up.

Key words: hydraulic support; hydraulic lock; hydraulic system; coal industry