Sprocket Chain Elevator

Elevator refers to the permanent transportation equipment that serves several specific floors in the building, and its car runs on at least two rows of rigid tracks perpendicular to the horizontal plane or with an inclination angle of less than 15 ° with the plumb line. With the continuous development of elevator technology and the continuous improvement of people's living standards, the installation quantity of elevator is also increasing greatly. As a means of transportation, elevator, Its safety has become the main judgment standard of elevator quality. As a means of transportation with heavy load and low transmission speed, the elevator just meets the working characteristics of low-speed and heavy load of sprocket, and the transmission power is large. In the sprocket, the double row sprocket is more stable. Therefore, the double row sprocket is applied to the elevator to ensure the transmission of motor torque and improve the safety factor, In order to apply double row sprocket to elevator motor, we propose double row sprocket of elevator motor. 

The beneficial effects for sprocket chain elevator are: 

1. For the setting of locating ring, a locating plate is set at the connection between the main shaft and the sprocket to avoid the movement of the chain sprocket elevator during operation and improve the stability of sprocket transmission. 

2. For the setting of the limit rod, the limit rod is set between the chain sprocket elevator to ensure the synchronous operation of the two sprockets, make the stress of the two sprockets uniform, and ensure the smooth and efficient operation of the double row sprockets. 

3. Setting of reinforcing plate: set reinforcing plate at the connection between sprocket and locating ring to improve the stability of sprocket, avoid deformation of sprocket during operation and improve the service life of sprocket. 

4. The setting of flange mechanism adopts the connection mode of flange mechanism, which increases the stability of sprocket drive, ensures the smooth and efficient operation of elevator motor and improves the safety factor of sprocket.

Common driving modes of elevator

Wire rope driven elevator

It can be divided into two different types, one is the widely used friction traction type. The other is drum forced type. The former has good safety and reliability, while the latter has many disadvantages and has been rarely used.

Rack and pinion driven elevator

It operates through the meshing of two pairs of gears and racks; Operation vibration and noise are large. This type generally does not need to be equipped with a machine room, and the car is equipped with a power mechanism, which is easy to control and suitable for construction sites with large mobility. At present, it has been classified as construction elevator.

Chain sprocket driven elevator

This is a forced drive type. Due to the large dead weight of the chain, the lifting height cannot be too high, and the running speed is also low due to the limited transmission performance of the chain sprocket. However, it has the advantages of reliable transmission, convenient maintenance and durability when used for lifting and lowering materials in enterprises.

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