Hebei Kaicheng Machinery Co., Ltd. produces a wide variety of products, but the main functions and operating structures of the products are very different. Let us analyze the main differences of the general electric hoist of the explosion-proof electric hoist:
1. Explosion-proof electric hoist is mainly composed of running motor, reducer, wall panel and wheel (including shaft).
The design of the running car has its own characteristics. The gear shaft is sealed in the gearbox and is suitable for use in explosion-proof and dust explosion-proof environments.
Motor: The braking part of BZDY series running motor is plane braking, the braking torque is small, the braking process is slow, and the heavy objects hanging during parking are avoided.
Reducer: Basically the same as the reducer of this paper, the surface hardness of the shaft tooth can reach 62HRC, the hardness of the tooth surface is required, and the tooth surface accuracy is 8-8-7.
Wheel: G45 die forged wheel.
Wall panel: material is Q235A Q235B
The running speed is generally 18~19m/min. Other speed requirements should be stated in the contract. The double speed has 10:1; 4:1; 3:1; 2::1.
2. The general electric hoist mainly adopts electric trolley. The gears of the reducer are forged by high-quality steel, and after heat treatment, all adopt rolling bearings. When the lifting height is large, the running mechanism and the lifting mechanism are connected by joint bearings to ensure flexible operation. The slewing radius is small, the use is convenient, and the service life is long. The I-shaped track suitable for the running mechanism should be selected according to the GB706-88 standard.
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