• Chain drive

    Chain drive is a transmission mode which transfers the motion and power of the driving sprocket with special tooth form to the driven sprocket with special tooth form through the chain. Chain drive ha

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  • The Improvements and effects for the impossibility of lifting the movable arm belt

    (l) Improving hydraulic system design. After several demonstrations, the advanced preferential valve and load sensing full-hydraulic steering gear are finally adopted. New system can be

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  • The main reasons for the impossibility of lifting the movable arm belt

    A. Be heavily worn of hydraulic pumps. The pump leakage is serious at low speed. At high speed, the pump pressure is slightly increased. Due to pump wear and internal leakage, the

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  • The reasons of fault of hydraulic pump

    During maintenance of hydraulic pump, the fault causes are found from the following three points.(1) Checking the inner leakage of movable arm oil cylinder. The simplest way is to raise

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  • The selection of coupling

    The hydraulic pump transmission shaft cannot bear the radial force and the axial force, so it is not allowed to install the belt wheel, gear and sprocket directly at the shaft end. The coupling i

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