数控车床液压系统设计
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The single drum non-chain tows the 150KW coal mining machine hauling department hydraulic system's design
Abstract
The single drum non-chain tows the 150KW coal mining machine hauling department hydraulic system design main design content to include: The coal mining machine hauling department hydraulic actuation system's design, the coal mining machine auxiliary hydraulic system's design, the hauling department transmission system's design, raises hydraulic cylinder's design, the hydraulic lock design, hydraulic system's design calculation, the system gives off heat the temperature rise checking calculation, main systematic and auxiliary parameter determination, standard controlling element's choice computation. System's characteristic: The overall system the closed system which composes for the pump and the motor; Had considered system's simplicity, this system's velocity modulation way is only equipped with the manual velocity modulation way; This system used the pressure over-load protection, the low-voltage system to lose presses the protection, the electric motor power overload protection and the engine off main pump tilt cylinder returns to zero protection automatically and so on consummation reliable protective devices. The overall system safe reliable, the structure is compact and the service is convenient
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