Assembly and production of heavy-duty explosion-proof electric hoist is one of the more common ones in Hebei Kaicheng mechanical products. Its internal structure is very characteristic. Let us introduce the electronic control system of the explosion-proof electric hoist.
It is raw material to make washing material. Because it has high chemical activity to effect other material, such as dirty materials.
It is basic material for many fields, such as pharma, chemical, dying, washing industry, and manufacture industry. Some are powder, some granule, some flake, some crystalline.
It is identified by purity and granule/block size, purity is the main identified method. It is used in different products as per its size.
The HB hoist electric control system consists of an explosion-proof hoist box, an explosion-proof button control box, and an explosion-proof fire extinguisher. The explosion-proof electrical device housing is tightly sealed to meet the corresponding explosion-proof grade requirements. Its internal functions are basically the same as those of ordinary hoist electrical devices.
The internal electrical components of the explosion-proof hoist box are made of high-quality, reliable and long-life Siemens low-voltage electrical components - to minimize the number of explosion-proof boxes opened due to electrical faults. In addition to the electrical interlock between the contactors in the opposite direction of operation of the control box, mechanical interlocks are also provided between the buttons of the button control box to avoid short circuit conditions caused by misoperation. The control button box is suspended by a thin steel wire under the explosion-proof hoist box, about 1.5m high from the ground, to facilitate personnel operation.
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