
The motor transmits power to the drum around which the steel wire rope is wound through a speed redu
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The multi-rope friction hoist is mainly composed of an electric motor, a reducer, a friction wheel,
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The JKMD mining hoist is a friction-type (multi-rope) mine hoist used for deep shaft lifting in coal
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When the main motor is started, the power is transmitted from the rotor of the motor to the high-spe
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JK mining hoisting winch has a wide range of applications and is suitable for metal mines (gold, copper, etc.), non-metallic mines (coal, limestone, etc.) and small to medium-sized mines. It can meet the hoisting needs of medium and shallow depth vertical and inclined shafts, and can complete the transportation of ore, personnel, equipment, materials, etc. in conventional production, mine construction and auxiliary operations. It can also be adapted to electronic control systems such as ordinary resistance speed regulation and PLC variable frequency speed regulation, as well as hoisting containers such as cages, skips, and mine cars. With its compact structure, stable performance and strong adaptability, it has become a common choice for multi-scenario hoisting in medium and shallow depth shafts of small and medium-sized mines.
Product implementation standards
JK and 2JK series products are designed and manufactured according to the enterprise standard Q/HBWF003 "Single Rope Wrapped Mine Hoist", the industry standard AQ1035-2007 "Safety Inspection Specifications for Single Rope Wrapped Mine Hoists for Coal Mines", the national standard GB/T20961-2007 "Single Rope Wrapped Mine Hoists" and the "Coal Mine Safety Specifications".
Working principle
The motor transmits power to the drum of the wound wire rope through the reducer to achieve the lifting and lowering of the container; the speed is adjusted through electrical control; the disc brake is braked by hydraulic and electrical control; various position indication systems are used to indicate the depth of the lifting container; the whole machine is monitored and protected by a mechanical, electrical and hydraulic joint control system composed of various transmission sensors and control elements; and information transmission inside and outside the hoist is achieved through computer and network technology.
Main Technical Parameters
| model | JK-2×1.5 P | JK-2×1.8 P | JK-2.5×2.0 P | JK-2.5×2.3 P | ||
| roll | Number | mm | one | one | one | one |
| Diameter | 2000 | 2000 | 2500 | 2500 | ||
| Width | 1500 | 1800 | 2000 | 2300 | ||
| Center distance between two rolls of bamboo slips | — | — | — | — | ||
| wirerope | Maximum static tension | KN | 60 | 60 | 90 | 90 |
| Maximum static tension difference | — | — | — | — | ||
| wirerope | Maximum diameter | mm | 25 | 25 | 31 | 31 |
| Minimum total tensile strength | KN | 396.5 | 396.5 | 621 | 621 | |
| lifting speed | m/s | 5.2 | 5.2 | 4.9 | 4.9 | |
| Raise height or transport length | A layer of wrapping | m | 295 | 366 | 403 | 473 |
| Two layer wrapping | 586 | 730 | 802 | 944 | ||
| Three layer winding | 914 | 1132 | 1245 | 1460 | ||
| motor | Maximum power calculation value | KW | 180 | 180 | 320 | 320 |
| rotational speed | r/min | 1000 | 1000 | 750 | 750 | |
| reducer | model | JC-1000 | JC-1000 | JC-1230 | JC-1230 | |
| speed ratio | 20.0-31.5 | 31.5 | 20.0-31.5 | 31.5 | ||
| Lift weight (excluding electrical components) | Kg | 21200 | 26390 | 28500 | 37570 | |
| Dimensions of the elevator (length x width x height) | mm | 6856x3234x2600 | 7516x3234x2600 | 8023x3610x3100 | 8323x3610x2600 | |
| Rotating part displacement mass excluding motor | Kg | 5600 | 5800 | 11150 | 11450 | |
| Note: (1) For lifting personnel or materials in the vertical shaft, 1 floor; Specially designed for lifting materials, 2 layers; |
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| (2) Two floors for lifting personnel or lifting personnel and materials in inclined shafts and alleys; For lifting materials, there are 3 layers. | ||||||
| (3) The ratio of the diameter of the crown wheel, active friction wheel, guide wheel, or the minimum diameter of the winding part on the drum to the diameter of the thickest steel wire in the steel wire rope shall not be less than 1200; | ||||||
