The invention discloses a boiler door manual lifting deviation device which comprises a boiler opening, a boiler door, a supporting column, a supporting frame, an operation rod, a lever wheel and a chain. The supporting column is arranged on one side of the boiler opening, the supporting frame is fixed to the top end of the supporting column through a bearing, the lever wheel connected through a pin is arranged on the other side of the boiler opening, the operation rod is welded on one side of the supporting column, a positioning chute is formed in the other side of the lever wheel, the boiler door is arranged under the supporting frame, a fixing frame is arranged at the top of the boiler door, a connecting rod is arranged on the fixing frame, a positioning rod is arranged on one side of the connecting rod, the connecting rod is connected with the lever wheel through the chain, one end of the chain is fixed to the lever wheel, the positioning rod penetrates through the positioning chute, the lever wheel is provided with convex teeth on a chain stroke, and the supporting frame is A-shaped, the operation rod is U-shaped. The boiler door manual lifting deviation device has the advantages of being simple in structure, capable of saving effort in operation and convenient to maintain.
Boiler door manual lifting deviation device
2015-04-29
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 |
Prefabricated part lifting appliance and lifting deviation correction method
European Patent Office | 2022
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