beam pulley

基本解释

The track pulley series can be automatically adjusted, the basic configuration is suitable for 8#-22# steel i-beam.
该系列的滑车轮距可自行调节，基本的出厂配置即可适用8#-22#工字钢梁。
Wire rope and assembly pulley on the flexible pumping units replace balance beam and connecting rod on regular pumping units.
柔性抽油机结构上使用钢丝绳和滑轮组替代了常规抽油机的游梁和连杆。
By crampon, lifting beam and pulley block as well as hoisting and mounting the bridge crane in parts, ensures safety and economy for the construction.
采用锚钩吊梁加滑轮组的方法，分部件吊装桥机，可保障施工安全，节省费用。