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HSZ-A
2016-08-10

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2016-08-10

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2016-08-10

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2016-08-10

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2016-08-10

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2016-08-10

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"Manual Hoist"

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manual rope hoist transmission mode
2014-10-23
Electric lifting trolley drive in two ways, namely reducer located in the middle of the car driving wheel or gear unit is located in the car driving wheel side. Reducer located in the middle of the driving wheel electric lifting trolley car transmission mode, so that both sides of the car reducer output shaft and drive shaft torque to bear more eve... Electric lifting trolley drive in two ways, namely reducer located in the middle of the car driving wheel or gear unit is located in the car driving wheel side. Reducer located in the middle of the driving wheel electric lifting trolley car transmission mode, so that both sides of the car reducer output shaft and drive shaft torque to bear more evenly. Crane reducer located on one side of the driving wheel drive car, the installation and maintenance more convenient, but the car from the car body has about Wiggler phenomenon. In the running gear, the gear units are commonly used and tapered cylindrical gear reducer worm reducer. View Details
using functional analysis
2014-10-08
analytic hierarchy process carried out on the bridge manual hoist crane trolley lightweight design , successfully optimized the diameter of the rope manual hoist, and predicted a small frame weld fatigue life. [17 ] By optimizing the design method, using two materials Q235 and Q345 crane metal structure optimized design , and achieved good res... analytic hierarchy process carried out on the bridge manual hoist crane trolley lightweight design , successfully optimized the diameter of the rope manual hoist, and predicted a small frame weld fatigue life. [17 ] By optimizing the design method, using two materials Q235 and Q345 crane metal structure optimized design , and achieved good results. At present, most crane factory or empirical method calculates the allowable stress that the allowable stress calculated based on the linear elasticity theory with safety factor method manual hoist, and then calculated as a basis for the size of each part . This experience with old-fashioned methods to determine the safety factor , making the safety margin is too large , resulting in severe weight too large crane design . The commonly used methods limit state design method , design optimization method manual hoist, finite element method and module division method, these are good methods. The future of the program and select the crane , the main parameter matching , the main structural parts and transmission parts and other aspects of the design and layout will be greater use of the above methods. Status of foreign research 1.3.2 lightweight lifting equipment lifting equipment lightweight development status manual hoist ( 1 ) continues to mature and improve along with modern lightweight design methods, many well-known foreign manufacturers of lifting equipment through continuous exploration manual hoist. View Details
Rope life manual hoist
2014-01-26
                                       The so-called rope life , is to be scrapped period of use . After a period of time the rope , the first manual hoist surface is worn wire fatigue and breakage . According to specification when using wire rope la...                                        The so-called rope life , is to be scrapped period of use . After a period of time the rope , the first manual hoist surface is worn wire fatigue and breakage . According to specification when using wire rope lay length of any one of the breaking of the wire reaches a predetermined value, the rope should be scrapped, with the new wire .    To prolong the life of the rope , we can take the following measures     First: the pulley and reel excellent material for wire rope life adversely , but with low hardness of cast iron pulleys can have easy wear. So in recent years in the bottom insert an aluminum pulley or Capulong liner , can greatly extend the life of the rope .     The second : to minimize the number of bending the rope , neither make too many wires through pulleys and ropes to avoid reverse bending     Third: wire rope maintenance regularly lubricated wire rope for extending the life of great significance ;     Fourth: To always keep the rope dry and cleanliness . If there is sand and other dirt , use kerosene to wipe clean.                                     View Details