The model number of the lift consists of the group, type, characteristics, main parameters and variant updates. The model weaving method is as follows:
1. The main parameter code monotonic cage lift is marked with a value. The double cage lifts are marked with two values, separated by the symbol "/", each value being the rated load code of a cage. For the SH type elevator, the former is the rated load code of the rack and pinion drive cage, and the latter is the rated load code of the wire rope lifting cage.
2. The characteristic code feature code indicates the symbol of the two main characteristics of the elevator. 1 pair of heavy code: D is marked when there is a weight, and omitted when there is no weight. 2 rail frame code: For SC type elevator: triangle is marked T on the surface; rectangular or chip section is omitted; inclined or curved rail frame is marked Q regardless of the section. For the SS type elevator: when the rail frame is two columns, mark E, and the single column rail frame is marked with B when it is contained, and it is omitted when it is not contained.
3. Marking example 1 rack and pinion lift, double cage has counterweight, one cage has a rated load of 2000kg, and the other cage has a rated load of 2500kg. The cross section of the rail frame is rectangular, which is expressed as: lift SCD200/250 (GB/T 10054). 2 wire rope elevator, single column rail frame cross-section rectangular, rail frame contains a cage, rated load of 3200kg, the first variant update, said: lift SSB320A (GB/T 10054). There are more models of screw lifts.

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