管架是通过一个装在支架框和下摇动臂之间的液压缸往返于其贮存位置的。
The pipe racks are moved to and from their stored position by a hydraulic cylinder attached between the mast frame and the lower swing arm.
像总泵、车轮、转向液压缸、微动阀、连杆、门架滚轮、转向桥等部位，只要靠紧固进行调整就能修理的故障。
Failures which can be solved by minor adjustment on brake pump, wheel, steering hydraulic cylinder, and micro-valve, connect level, mast roller, steering axle, etc. are excluded.
其特征在于本轧机包括换辊液 压缸（1）、换辊小车（2）、轧钢机辊组（3）、立柱（4）、蜗轮升降机构（5）、U型架（7）、转动转耳（8）、连接螺栓（9）；
The mill comprises roll changing hydrocylinder (1), with rolling mill group (3), roll changer (2), post (4), worm wheel lifting gear (5), U-shaped frame (7), rotation ear (8) and bolt (9).
各液压缸的下支点与横向行走机架固定，液压缸的顶端与承重架底平面 连接。
The lower fulcrum of each hydraulic cylinder is fixed with the transverse walk frame; the top of the hydraulic cylinder is connected with the bottom plane of the bearing frame.
动力装置包括液压泵、液压缸、导轨和龙门架，龙门架与壳体固定联接；
The power plant includes a hydraulic pump, a hydraulic cylinder, a guide rail and a gantry. The gantry is fixedly connected with the casing.
传统的液压步进式脚手架的同步系统采用简单的同步缸进行控制，同步精度较低且设备可扩展性不足。
The former synchronization system of the hydraulic step-by-step scaffold was a simple synchronous cylinder, the synchronization accuracy of which was low and the expansibility was not yet enough.
传统的液压步进式脚手架的同步系统采用简单的同步缸进行控制，同步精度较低且设备可扩展性不足。
The former synchronization system of the hydraulic step-by-step scaffold was a simple synchronous cylinder, the synchronization accuracy of which was low and the expansibility was not yet enough.
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