The invention relates to a scraper lifting device in the field of mining equipment. The device comprises an extension jack, a chain and a one-way lock, wherein a limiting pin correspondingly suspended in a slide way of a top beam of a suspension bracket is arranged at one end of the extension jack; the chain correspondingly connected with a scraper is arranged at the other end of the extension jack; the one-way lock is arranged on a hydraulic pipeline loop of the extension jack; and the device can effectively prevent the phenomenon of bottom pricking of the scraper while effectively reducing the labor intensity of workers.
Scraper lifting device
2015-11-18
Patent
Electronic Resource
English
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 / E21F Sicherheitsvorrichtungen, Förderung, Auffüllen oder Bergversatz, Rettungswesen, Bewetterung oder Entwässerung in oder von Gruben oder Tunnels , SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS |
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