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    7.1.1 The hydraulic control and safety protection circuits withcomplete functions shall be designed for hydraulic system of the hoistbased on the gate operation requirements, including: the hydraulicpump no-load starting circuit, the locking circuit to pr...[繼續(xù)閱讀]

    8.5.1 The arrangement of reinforced ribs is shown in Figure 8.5-1,and the arrangement of reinforced ribs in the web of composite beamshall conform to the following provisions.Figure 8.5-1 Arrangement of reinforced ribs(1) When h0/tw≤80 , for the beam with...[繼續(xù)閱讀]

    3.0.1 The hydraulic hoist in water conservancy and hydropowerproject is composed of hydraulic cylinder assembly and its supportingstructure, hydraulic pump station, hydraulic valve block, hydraulicpiping, electric control system, detection system and othe...[繼續(xù)閱讀]

    4.4.1 The integrated structure should be adopted for hydraulicvalve block, its function includes: gate operation functions undervarious working conditions, detection and display of runningparameters of hydraulic system, protection function for operationsa...[繼續(xù)閱讀]

    4.9.1 The load of hoist is transferred to the structure foundationthrough the supporting structure of hydraulic cylinder. The supportingstructure is generally welded by steel plates, which shall be of frametype, or partially embedded hinge seat type or ot...[繼續(xù)閱讀]

    6.3.1 The main metal members of supporting structures should bemade of the materials with the mechanical performance of not lessthan Grade Q235B in GB/T 700 and Grade Q345B in GB/T 1591,The grade of material shall be selected according to the local lowest...[繼續(xù)閱讀]

    4.7.1 Hydraulic medium shall have the properties of good lubricity,antioxidant, rust resistance and no corrosion to metal, shear stability,compatibility with sealing materials, defoaming and antifoam.4.7.2 Mineral oil type hydraulic oil shall be used as h...[繼續(xù)閱讀]

    4.11.1 Hydraulic hoist shall be provided with cylinder strokedetection device.4.11.2 The stroke detection device shall have excellentperformance against interference, the output signal of the sensor shallbe continuous and reliable and with good performanc...[繼續(xù)閱讀]

    4.5.1 The hydraulic pump station generally consists of thehydraulic pump motor units, the oil tank assembly and connecting oillines.4.5.2 The type and layout of hydraulic pump motor unit shall bedetermined according to the arrangement of hydraulic pump st...[繼續(xù)閱讀]