Single girder overhead crane with two hoists
Single girder overhead crane with two hoists
Single girder overhead crane is usually for indoor use, such as in the workshop, warehouse for handling and lifting small and medium tonnage items. Generally, when choose or use single girder overhead crane, we usually consider it with one electric hoist, while in some specific situation, which need two electric hoists hoisting together, then the single girder overhead crane should be equipped with two electric hoists.
When the single girder overhead crane needs to be equipped with two electric hoists, the following items should be considered.
1. Two electric hoists capacity does not exceed the design capacity of the single girder overhead crane. That is, if you want to hang two 1Ton electric hoists, the single girder overhead crane lifting capacity should be 2ton or more.
2. If the single girder overhead crane total lifting capacity is greater than or equal to 1Ton, it need to the enterprise which have relevant qualifications to carry out the reconstruction.
3. Anti-collision device.
a. If the two electric hoists use distance is far, it can directly use travel switch or photoelectric switch for anti-collision setting.
b. If the general use distance is near or sometimes use in the adjacent place two of the two electric hoists, you should pay attention the closest position when installing during load and no load. If it is two-speed, it is best to limit the fast speed first, and then stop it (two tap positions)
4. If the lifting item is long, it can be designed to operate with one switch, which can be operated simultaneously or individually.
5. The power supply cable direction: on both ends of the single beam, respectively power supply to the two hoists, or power supply directly by safety slide wire.
Weihua Crane is professional material handling equipment manufacturer and servicer with largest production in global. Provide you with overhead crane, gantry crane, electric hoist, etc. of safe, reliable and efficient crane solutions and services.
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