拉马爪型的改进

The Improvement on the Wheel -extractor's Claws

针对在现场中使用的拉马存在的诸多局限性 ,根据受力的大小和方向性重新设计制作了新型拉马爪 ,克服了现有拉马的不足之处 ,且适用范围广 。

The wheel-ext ractors claws ar e improved to remove its limitation acco rding to the stress on it and the direct ions.This new type can contribute greatl y to the production of the oil field if used widely.