beam pulley

基本解釋

The track pulley series can be automatically adjusted, the basic configuration is suitable for 8#-22# steel i-beam.
該系列的滑車輪距可自行調(diào)節(jié)，基本的出廠配置即可適用8#-22#工字鋼梁。
Wire rope and assembly pulley on the flexible pumping units replace balance beam and connecting rod on regular pumping units.
柔性抽油機結(jié)搆上使用鋼絲繩和滑輪組替代了常槼抽油機的遊梁和連桿。
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.
採用錨鉤吊梁加滑輪組的方法，分部件吊裝橋機，可保障施工安全，節(jié)省費用。