Engine dynamic test rack transmission shaft stone tongs

The utility model provides an engine dynamic test rack transmission shaft stone tongs, clamp left side piece is articulated through the removable pin with clamp right side piece middle part, and clamp left side piece is articulated through connecting rod and lifting hook subassembly respectively with clamp right side piece upper end, and even there is the couple lifting hook subassembly one side. The lifting hook subassembly includes lifting hook, bearing axle, bearing block, auxiliary block, and lifting hook lower extreme movable sleeve is equipped with the bearing axle, and the bearing block is connected to bearing axle one end, and auxiliary block is connected to the bearing axle other end, and the connecting rod articulates on the bearing block, and the couple connects on auxiliary block. Lifting hook on the spandrel girder can be in the epaxial slip of bearing to the centre of gravity place of whole device and transmission shaft during the adjustment hoist and mount, at the level when making the transmission shaft hoist and mount, the relative position of two fixed lifting hooks of locking bolt. The utility model discloses the hoist and mount that are fit for the dynamic test rack transmission shaft of different main aspects sizes, different length are pressed from both sides tightly, and simple structure is practical safe convenient, implements the effect and is showing.