Backing plate jacking device

The utility model provides a backing plate jacking device, backing plate jacking device includes: an elevating devic. Elevating gear includes shell and first slide rail, form the holding chamber in the shell, the shell package contains roof and bottom plate, first slide rail runs through the roof reaches the gasket -mounted is in holding chamber central authorities, the slider is established to the cover on the first slide rail, the slider accept in the holding intracavity and can first slide rail is highest to slide down, the utility model provides a backing plate jacking device possess the advantage that degree of automation height, transmission precision are high, the transmission is steady, bearing capacity is strong. 本实用新型提出种垫板顶升装置，所述垫板顶升装置包括：升降装置；所述升降装置包括外壳及第滑轨；所述外壳内形成容置腔，所述外壳包含顶板及底板；所述第滑轨贯穿所述顶板及所述底板安装在所述容置腔中央，所述第滑轨上套设滑块，所述滑块收容于所述容置腔内并且能够在所述第滑轨上上下滑动；本实用新型提出种垫板顶升装置，拥有自动化程度高、传动精度高、传动平稳、承载能力强的优点。