The hydraulic jack comprises a base, a piston cylinder is fixedly arranged at the upper end of the base in a sealed mode, a blocking cover is fixedly arranged at the upper end of the piston cylinder, a piston column is slidably connected into the piston cylinder, and a first cavity is formed between the lower end of the piston column and the base in the piston cylinder; the base is rotatably connected with a first rotating sleeve which is coaxial with the piston cylinder, the outer side of the piston cylinder is movably connected with a shell, the lower end of the shell is movably connected to the outer side of the first rotating sleeve, a second cavity is formed among the outer side of the shell, the outer side of the first rotating sleeve, the outer side of the base and the outer side of the piston cylinder, and oil is contained in the second cavity; a control valve assembly communicating with the second cavity is arranged in the shell. An oil pump assembly connected with the first rotating sleeve is arranged in the base; a pressure release valve communicated with the first cavity is arranged in the base; a transmission assembly is arranged between the shell and the first rotating sleeve; the hydraulic jack is simple in structure and convenient to use.
本发明公开了一种液压千斤顶,包括底座,所述底座的上端密封固定设有活塞筒,所述活塞筒的上端固定设有堵盖,所述活塞筒内滑动连接有活塞柱,所述活塞筒内在活塞柱的下端和底座之间形成第一腔室;所述底座上转动连接有与活塞筒处于同轴位置的第一转套,所述活塞筒的外侧活动连接有外壳,所述外壳的下端活动连接在第一转套的外侧,所述外壳、第一转套、底座、以及活塞筒的外侧之间形成第二腔室,所述第二腔室内盛放有油液;所述外壳内设有与第二腔室连通的控制阀组件;所述底座内设有与第一转套连接的油泵组件;所述底座内设有与第一腔室连通的泄压阀;所述外壳和第一转套之间设有传动组件;该液压千斤顶不仅结构简单而且方便使用。
Hydraulic jack
一种液压千斤顶
2023-07-04
Patent
Elektronische Ressource
Chinesisch
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |