桥式起重机安全滑触线是一种新型移动供电装置，以其绝缘、安全、耐温、抗振、节能等优越性能逐步替代了旧式裸露角铁及铜排滑触线。安全滑触线由填嵌在工程塑料型管或槽板中的光滑平整的T2铜排或嵌有耐磨导体的铝型材作为载流体，组合成输电导管，导管下有开口槽以利集电器运行，并由集电器的高耐磨铜基石墨电刷将电力导向工作电器。
Crane safety sliding contact line is a kind of new mobile power supply device, with its insulation, safety, high temperature resistant, anti vibration, energy-saving advantages to gradually replace the old bare iron and copper sliding contact line. Security sliding touch line by caulking smooth in the engineering plastic tube or a channel plate in the T2 copper bar or block wear conductors of aluminum as the carrier fluid, combined into a transmission pipe, with an opening groove to facilitate the collector operation catheter, and collector of high wear-resistant copper matrix graphite brush electric force directed electrical work.
Bridge crane is easy to cut off in use, sometimes sparks in the transmission conduit, serious when sliding contact line of a shooting ", caused by the collector to replace the too frequent, affecting production. To this end, Liaoning Huayuan crane crane of the production was improved as follows:
（1）增大集电器电刷倒角，并打磨光滑；)
(1) increased the collector brush chamfered, and polished);
（2）增加集电器两相对电刷间弹簧强度、弹性，保证弹簧恢复自如；
(2) increased two of the collector relative brush spring strength, elastic, ensure the spring freely;
（3）加深。加固集电器中的弹簧座，保证电刷的恢复弹簧在工作中不易"串位"；
(3) deepening. Strengthening the spring seat set in electric appliance, ensure that the brush recovery spring in the work not easy "series";
（4）两段安全滑触线连接处连接块要有倒角，保证集电器平滑过渡。同时，为保证安全滑触线的正常使用，行车工的规范操作、维修工的定期保养、定期检查也必不可少。
(4) the two security sliding touch line connection block to ensure smooth transition chamfer, collector. At the same time, to ensure the safety and normal use of sliding contact line, operation, repair specification for hydraulic driving workers periodic maintenance, regular inspection is also essential.