Henan Dowell Crane Co., Ltd.
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Product Description
20 ton mechanical industrial electric winch with failsafe brake, most of time, follow-operated by people on the ground, also can operate in the room, or operate with wireless type with far way, except exclusive-use, also can match-use with electric trolley and plain trolley, geared trolley, these trolleys with simple structure, light weight, easy to load and unload, can use like this forever, but also can be used temporarily.
1. 20 ton mechanical industrial electric winch with failsafe brake mainly used for materials lifting, weight drops pulling and drawing in construction.
2. It also used as main hoisting equipment in crane.
3. It is the special winch of derrick and gantry frame and lifting trolley.
4. It is suitable for lifting material and equipments installation of construction, mine site and factory.
Product Main Features
1. Double Limit Switch.
2. Current Overload Protection Function.
3. High Quality Polyurethane Materials Buffer.
4. Emergency Stop System.
5. Weight Overload Protection Device.
6. Voltage Lower Protection Function.
7. Lifting Mechanism: Explosive-proof electrical hoist.
Package & Delivery
Product Parameters
| MODEL | JM-0.5 | JM-1 | JM-1.5 | JM-2 | JM-3 | JM-5 | JM-8 | JM-10 |
| Rated stretching force of steel wire rope (KN) | 5 | 10 | 15 | 20 | 30 | 50 | 80 | 100 |
| Rated speed of steel wire rope (m/min) | 18 | 18.5 | 18.6 | 12 | 10.5 | 9.5 | 8 | 8 |
| Reducer model | JZQ-250 | JZQ-350 | JZQ-350 | JZQ-350 | JZQ-350 | JZQ-400 | JZQ-500 | JZQ-650 |
| Total transmission ratio construction winch | 48.57 | 40.17 | 40.17 | 103.5 | 130.5 | 113.4 | 158.3 | 181 |
| Diameter of steel wire rope (mm) | 7.7 | 9.3 | 11 | 12.5 | 15.5 | 17 | 24 | 28 |
| Dia. of drum (mm) | 7.7 | 170 | 194 | 203 | 273 | 325 | 406 | 500 |