Explosion-proof electric hoist It is explosion-proof crane equipment designed according to the new explosion-proof standard, in the form of "explosion-proof type". The exposed explosion-proof components of the explosion-proof electric hoist are made of special spark-free materials.

Class III explosion-proof electric hoists are suitable for flammable gas, steam, and air forming dangerous mixtures in factories. Class IV explosion-proof electric hoists are suitable for flammable gas, steam, and period forming dangerous mixtures in factories. They are installed on I-beam tracks to lift heavy objects and can reciprocate linearly and curvilinearly along the track, ensuring sufficient safety.

　　Explosion-proof electric hoists have a small structure, light weight, small size, and large lifting capacity. If the factory is filled with explosive mixtures, under the premise of ensuring safety, it is a favorable tool to improve working conditions and labor productivity, and therefore becomes necessary mechanical equipment in the rational process. Suitable for temperature environment -20°-+40°, altitude below 1000m, relative humidity 85% (20±5°).

　　 Explosion-proof electric hoist The structural features are divided into double-speed and constant-speed types, composed of multiple detachable components, making maintenance and service very convenient and shortening working time. Its control box, motor, fire-breaking limit switch, and control buttons are all independent explosion-proof structures. The brake is installed inside the explosion-proof motor, which is safe and reliable. The parts have a high degree of universality and strong interchangeability.

　　Improper starting and running methods of explosion-proof electric hoists when lifting objects may cause accidents due to crane shaking. During operation, the operator stabilizes the object behind the suspended electric hoist and runs around obstacles under the command of heavy industry. When starting to rise, stop when the wire rope or chain is tightened, and the explosion-proof electric hoist should look for the hook again in the direction of the hook swing. The crane worker should confirm whether it is suspended. Do not rise too fast, and the suspension can be lifted only after the obstacle is removed. The explosion-proof electric hoist should not be operated intermittently, and it is better to operate with long-time power supply. During operation, ensure that the lifted object is stable and do not let it shake or swing.

　　Failures in the sliding wire of the explosion-proof electric hoist grinding machine often occur, causing many inconveniences during use. Below, the editor will briefly talk about the installation method of the explosion-proof electric hoist trolley.

　　1. Explosion-proof electric hoists are mostly installed on the lines, the steel wire is placed in the middle of the line, the Confucius River is above, and the end is fixed with a basket bolt.

　　2. The slip ring is two rings meshing with each other, with a little clearance to prevent the steel wire from scratching the card.

　　3. Under the traction of the motor, the steel wire is pulled with the rotating ring as the center to perform linear or circular motion.

　　4. Put one end of the rotating ring on the steel wire, leaving the motor lead, and then fix the rubber line to the bottom of the rotating ring. The front motor can move freely. The rear end is connected to the power supply.

　　This method is easy to use and can eliminate the previous Explosion-proof electric hoist 芦 Some problems caused by poor contact of the trolley wire, short circuit of the lead wire, and open circuit.