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Operation hydraulic winch mainly has the following requirements: (1) The following items must be checked before driving: ① check the tank oil level, shall not be lower than the oil on the provisions of the height; ② check the oil temperature, not higher than 55 ℃; ③ check whether the cooling water ... Read More
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In recent years, the widespread adoption of the multi speed hoisting mechanism of planetary gear transmission, the control of multi pump combined hydraulic motor and series parallel or the use of variable hydraulic motor speed to achieve a variety of hoisting mechanism, so as to realize the high ... Read More
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The main winch mechanism of rotary drilling rig wire rope life is short and frequent change rope directly affect the construction efficiency of rotary drilling rig, the wire rope in the rotary drilling rig is used as consumable product, Using high-strength, large diameter wire rope, the price is ... Read More
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Grooves drum needs certain working conditions. one of the most important conditions of these conditions is the fleet angle of the wire rope, which is the fleet angle between the wire rope and the first fixed pulley, generally speaking, this angle should not be greater than 1.5 ° and should not be ... Read More
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Drum diameter: Width between flanges: Rope or cable diameter: Length of rope or cable to be accommodated: Distance to fixed sheave and position between flanges: Direction of wire rope entry: Outside diameter of flanges: Maximum operating load on rope or cable: Type of rope entry through flange or ... Read More
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The conditions for the use of LBS grooves are as follows: (1)The flange of the drum must be vertical to the drum wall under any conditions, even when there is a load; (2) In order to avoid the phenomenon of "job hopping" or "Deviation", the steel wire rope must keep enough pulling force, so that the ... Read More
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1) servicing 1. first remove the wire rope from the drum, then the oil outlet is aligned, then the original cover is removed, and the pipe is screwed up to discharge the oil. 2. the winch will stand up and remove the metal pipe and hose connecting the liquid cylinder. 3. Remove four fixed bolts and ... Read More
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Fault judgment and troubleshooting 1. The winch does not lay down the weight or is not smooth The oil path may be betting; such as the blockage of the oil road, the friction disc will not be removed, such as the blockage of the brake valve, the brake valve can not be opened and the hydraulic motor ... Read More
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Principle When the control valve is in the open state, the hydraulic oil opens the one-way valve to drive the positive transmission of the hydraulic motor. It drives the primary sun wheel and the primary planet frame, and then the secondary planet rack is driven by the primary planet frame through ... Read More
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