The pick-up winding device of the chain hoist is the ring chain, and the rotation of the sprocket is the key to the lifting. The winding direction of the ring chain on the sprocket can be set at will, with high flexibility and reasonable structure, so the volume is small. The winding device of the steel wire rope hoist is the steel wire rope. The lifting depends on the reel. To reach the maximum height, the steel wire rope needs to be wound on the reel for at least 3 turns. This leads to the increase of drum length, height and drum length, and the volume of the equipment will increase. Therefore, the steel wire rope hoist of the same specification is several times or even more than ten times that mentioned by the chain hoist.
The wire rope hoist lifts heavy objects by the elastic deformation of the wire rope wound on the drum. The smaller the drum diameter, the greater the wire rope type variable, because one side bears pressure and the other side bears tension. In order to make these two forces not exceed the regulations, the drum diameter needs to be increased. The chain hoist is hinged by the chain link, and the chain link mainly bears the tension. In order to reduce the extrusion strength between the chain links and the contact surface between the chain link and the sprocket nest, the sprocket will be made into a nest. It can be seen that for the two types of equipment with the same specification, the former drum diameter is greater than the latter sprocket diameter, so for the track with the same height, the lifting height of the former is less than that of the latter.
The axis of the wire rope hoist is parallel to the center line of the trolley running track, while the ring chain hoist and the center line of the running track can be installed at 90 degrees. Therefore, under the same conditions and track length, the running distance of the latter is relatively long.
Wire rope hoist has different lifting height and different model length, so the one with lower lifting height cannot be changed to one with higher lifting height. On the contrary, although it can be refitted, the drum of electric hoist will be idle, resulting in waste. The type of chain hoist has nothing to do with the lifting height. It is only related to the length of the chain. If you want to refit, you only need to change the chain.
Each has its own good
It still depends on your working environment, the size and type of lifting load
The ring chain electric hoist is mainly suitable for lifting heavy tonnage loads. The lifting chain is made of steel and has strong breaking resistance, so the bearing capacity is very strong. It is common in places such as large mechanical parts or industrial manufacturing. The overall size of the ring chain electric hoist is larger than that of the steel wire rope electric hoist, and its own weight is heavier. The installation and disassembly are not as convenient as that of the steel wire rope electric hoist, The electric chain hoist is more suitable for fixing in a certain place in a large factory;
Wire rope electric hoist is a small lifting equipment with compact structure, light weight, small volume, strong universality of parts and convenient operation; It is applicable to civil construction engineering of construction and installation companies, factories and mines and mechanical equipment of infrastructure construction projects such as bridge construction, electric power, ship, automobile manufacturing, construction, highway, bridge, metallurgy, mine, slope tunnel, shaft treatment and protection.
When choosing chain electric hoist and wire rope electric hoist, first consider the brand. Choose a well-known brand. After all, there is a brand guarantee. Other brands that have not been heard of, although the price is cheap, can't guarantee the quality
The safety factor is very important for the manufacturing process, the installation device, material and motor equipped.
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