Rack shell hydraulic clamp plate and hydraulic clamp thereof

The utility model provides a rack shell hydraulic clamp plate which comprises a bottom plate, and a first positioning piece and a second positioning piece which are used for positioning a rack shell are arranged on the bottom plate. The bottom plate is further provided with a supporting piece used for supporting the rack shell. A first main pressing device, a second main pressing device and a third main pressing device are arranged at the positions, corresponding to the first positioning piece, the second positioning piece and the supporting piece, of the bottom plate respectively. The first positioning piece is provided with an arc-shaped positioning groove body, and the second positioning piece is provided with a positioning column. The utility model further provides a rack shell hydraulic clamp at the same time. The fixture has the advantages that the rack shell is convenient to fix and machine and the like. 本实用新型提供了齿条壳体液压夹具板，包括底板，底板上设置有用于定位齿条壳体的第一定位件和第二定位件；底板还设置有用于支撑齿条壳体的支撑件，在底板上第一定位件、第二定位件和支撑件的对应位置分别设置有第