The invention discloses a manual pressing jack for a columnar structure of a rehabilitation hanger. The manual pressing jack for the columnar structure of the rehabilitation hanger comprises a jack outer sleeve. A cylindrical base is arranged at the lower end of inside of the jack outer sleeve, a top cap is arranged at the upper end of the jack outer sleeve, a cylinder groove is formed in the upper surface of the base, an oil pressing groove, an oil inlet groove and an oil return groove are separately formed in one side of the cylinder groove, an oil inlet passage penetrating to a steel grooveis arranged under the cylinder groove, the oil inlet passage separately communicates with the oil pressing groove and the oil inlet groove, an oil return passage is arranged on one side of the oil inlet passage, and the oil groove communicates with the oil return groove through the oil return passage. A one-way valve I is arranged at the position, close to the oil inlet groove, of the oil inlet passage, a one-way valve II is arranged at the position, close to upper end of the base, of the oil inlet groove, a pump core is arranged in the oil pressing groove, the upper end of the pump core penetrates through the top cap, a piston rod is arranged in the oil inlet groove, and the upper end of the piston rod penetrates through the top cap.

    本发明公开了一种用于康复吊架柱状结构的手动按压式千斤顶,包括千斤顶外套,所述千斤顶外套内部的下端设置有形状为圆柱形的底座,所述千斤顶外套的上端设置有顶帽,所述底座的上表面开设有缸槽,所述缸槽的一侧分别开设有压油槽、进油槽和回油槽,所述缸槽的下方开设贯通至钢槽的进油通道,所述进油通道分别和压油槽以及进油槽相连通,所述进油通道的一侧开设有将所述油槽和回油槽相连通的回油通道,所述进油通道靠近进油槽的部位设置有单向阀一,所述进油槽靠近底座上端的位置设置有单向阀二,所述压油槽内设置有泵芯,且所述泵芯的上端贯穿所述顶帽,所述进油槽内设置有活塞杆,且所述活塞杆的上端贯穿所述顶帽。


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    Title :

    Manual pressing jack for columnar structure of rehabilitation hanger


    Additional title:

    一种用于康复吊架柱状结构的手动按压式千斤顶


    Contributors:

    Publication date :

    2020-08-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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



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