Preventive winch PW
Designed to hold the coal-mining machine in case of coal combine’s pulling device interruption or if its frive is off.
The winch can be used by machines with weight from 9000 to 26000 kg working both from conveyor frame, and from bottom of seat with angle of slope from 9° to 35°.
| Pulling force (adjusting), kN, no more than | |
| at the first layer of rope reeling | 45 |
| at the last layer of rope reeling | 26 |
| Holding force at the last layer of rope reeling, kN, no more than | 120 |
| Maximum rope speed at the first layer of rope reeling, m/s, no more than | 0,1 |
| Coiling length of a drum for different rope diameters, m, no less than: | |
| 22 mm | 460 |
| 22,5; 23; 23,5 mm | 450 |
| 24; 24,5 mm | 380 |
| 25; 25,5 mm | 370 |
| 26,5 27 mm | 300 |
| 28 mm | 290 |
| 29; 29,5 mm | 230 |
| 31; 31,5 mm | 220 |
| 34 mm | 170 |
| Installed capacity, kW, no less than | 18,5 |
| Hydraulic fluid pressure, MPa (kgf/cm2): | |
| nominal | 11 (110) |
| max. | 14,5 (145) |
| Overall dimensions, mm, no more than: | |
| length | 2825 |
| width | 1000 |
| height | 1050 |
| Weight, kg, no more than | 3200 |
Preventive winch PW