Winch hoist for dam gate is employed to hoist dam floodgate and trash rack, it is mobile or can be fixed on the dam top. This hoist also can be used to lift other metal devices for dam equipment installation and inspection.
1. Fixed winch hoist can be winch type, rack type, chain type, screw type and hydraulic type.
2. Mobile winch hoist can be gantry type, semi-gantry crane, bridge type and trolley type.
Features of Winch Hoist for Dam Gate:
1. Lifting motion is fixed, only goes up and down along the gate wall, and spin the gate around the Support hinge.
2. Water flow power is considered while lifting the floodgate, especially for large span gate, need 2 lifting points and keep in sync.
3. Large lifting capacity, but low work duty, normally lifting speed is not more than 4m/min. While a few dam winch hoist speed can reach 10-14m/min.
| Item | Data | ||||||
| Capacity | 5-25t | ||||||
| Pulley ratio | 2-8m | ||||||
| Lifting height | 4-15m | ||||||
| lifting speed | 1.19-5.57m/min | ||||||
| Motor power | 2.2-35kw | ||||||
| Points diatance | 2-13m | ||||||
| Weight | 910-23610kg | ||||||
| Power source | as your demands | ||||||
| Other | According to your specific usage, specific model and design will offer | ||||||
