The invention discloses a jack with the bolt angle adjusting function. The jack comprises a turnover adjusting plate, a hydraulic pump and a hydraulic cylinder. The hydraulic pump and the hydraulic cylinder are vertically arranged on the turnover adjusting plate. A fixed seat is arranged below the turnover adjusting plate. A pin shaft is arranged between the fixed seat and one end of the turnover adjusting plate for hinge joint, the other end of the turnover adjusting plate is provided with two open grooves, and the fixed seat is provided with two bolts stretching above the open grooves respectively. In this way, by means of the jack with the bolt angle adjusting function, through the cooperation of a first nut and a second nut, the height, stretching above the open grooves, of the bolts can be changed, the included angle between the turnover adjusting plate and the fixed seat is changed accordingly, the hoisting angle is adjusted, operation is flexible, and hoisting stability is good.
Jack with bolt angle adjusting function
2016-01-27
Patent
Elektronische Ressource
Englisch
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 |
Hydraulic jack with self-adaptive angle adjustment function and angle adjustment method
Europäisches Patentamt | 2023
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