The invention discloses a protection mechanism for a backward-pulling action jack and the backward-pulling action jack. The protection mechanism comprises a protection plate, a first connecting part and a second connecting part. The first connecting part is located at one end of the protection plate and is used for being connected with a hydraulic rod head hole of the backward-pulling action jack,and the second connecting part is located at the other end of the protection plate and is used for being connected with a protection cover of the backward-pulling action jack. After the first connecting part is connected with the hydraulic rod head hole and the second connecting part is connected with the protection cover, the protection plate is located above a connecting head of the backward-pulling action jack. By means of the protection mechanism for the backward-pulling action jack and the backward-pulling action jack, the protection plate is connected with the backward-pulling action jack through the first connecting part and the second connecting part, the protection plate is maintained above the connecting head of the backward-pulling action jack, the connecting head of the backward-pulling action jack can be protected in real time, and therefore the connecting head of the backward-pulling action jack can be effectively prevented from being damaged by hard substances such as rock and float coal.
本发明公开了一种拉后溜千斤顶的保护机构及拉后溜千斤顶,其中,保护机构包括:保护板、第一连接部和第二连接部;第一连接部位于保护板的一端,用于与拉后溜千斤顶的液压杆头孔连接;第二连接部位于保护板的另一端,用于与拉后溜千斤顶的护罩连接;其中,在第一连接部与液压杆头孔连接、以及第二连接部与护罩连接后,保护板位于拉后溜千斤顶的连接头的上方。本发明通过第一连接部和第二连接部将保护板与拉后溜千斤顶连接,并使保护板保持在拉后溜千斤顶的连接头的上方,能够对拉后溜千斤顶的连接头进行实时保护,进而有效防止岩石、浮煤等硬物质对拉后溜千斤顶的连接头的损坏。
Protection mechanism for backward-pulling action jack and backward-pulling action jack
一种拉后溜千斤顶的保护机构及拉后溜千斤顶
2020-09-22
Patent
Electronic Resource
Chinese
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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