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2JK Single-Rope Winding Hoist

The electric motor transmits power to the drum that winds the steel wire rope via a gearbox, enabling the lifting and lowering of the container. Speed control is achieved through electrical regulation. The disc-type brake system is operated by hydraulic and electrical controls for precise braking. A variety of position-indication systems ensure accurate monitoring of the container's depth during operation. Additionally, a sophisticated integrated mechanical, electrical, and hydraulic control system—comprising various transmission sensors and control components—provides comprehensive monitoring and protection for the entire machine. Finally, advanced computer and network technologies facilitate seamless information exchange both within and outside the hoisting unit.

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Single-rope winding hoist

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Product Description

Product Overview

　　The electric motor transmits power to the drum that winds the steel wire rope via a gearbox, enabling the lifting and lowering of the container. Speed control is achieved through electrical regulation. The disc brake system is operated by both hydraulic and electrical controls for reliable braking. A comprehensive depth indicator system—comprising various position-sensing mechanisms—ensures precise monitoring of the container's lifting depth. Additionally, an integrated mechanical, electrical, and hydraulic control system, equipped with advanced transmission sensors and control components, provides real-time monitoring and protection for the entire machine. Finally, computer and network technologies facilitate seamless information exchange both within and outside the hoisting unit.

Uses and application scope of the product

　　The JK and 2JK series single-rope winding mine hoists are primarily used for lifting coal, materials, personnel, and lowering equipment in vertical or inclined shafts of coal mines, metal mines, and non-metallic mines. They can also be employed for other traction and transportation applications.

Product Execution Standard

　　The JK and 2JK series products are designed and manufactured in accordance with the industry standard AQ1035-2007, "Safety Inspection Specifications for Single-Rope Winding Mine Hoists Used in Coal Mines," as well as the national standards GB/T20961-2018, "Single-Rope Winding Mine Hoists," and Q/YX006-2020, "Single-Rope Winding Mine Hoists." They also comply with the "Coal Mine Safety Regulations" and GB16423-2020, "Safety Regulations for Metal and Non-Metallic Mines."

Product Model Example

　　Example 1: A mine hoist featuring a single-drum, simple rope-winding design with a drum diameter of 3 m and a width of 2.2 m, equipped with non-smoke-sealing resistance-based speed control—its product model is: JK-3*2.2.

　　Example 2: A product model of a double-drum, simple rope-winding mine hoist featuring explosion-proof variable-frequency speed control, with a drum diameter of 2 meters and a width of 1 meter, is designated as: 2JKB-2*1P.

Product Parameters for Single-Rope Winding Mine Hoists, 2JK Series

Serial Number	Product Model	Roller				Maximum Static Tension of the Steel Wire Rope		Maximum Static Tension Difference in Steel Wire Rope		Maximum diameter of the steel wire rope	Minimum breaking strength of steel wire rope	Increase height or transport length			Maximum boost speed	Electric motor speed (not exceeding)
		Number of items	Diameter	Width	Center distance between two rollers	Manned	Loading cargo	Manned	Loading cargo			First-layer wrapping	Second-layer winding	Three-layer winding
			m			KN				mm	KN	Not greater than
												m			m/s	r/min
1	JK-2 * 1.5P	1	2.0	1.50	-	44	60	-	-	24	396.5	295	586	914	5.2	1000
2	JK-2 * 1.8P			1.80								366	730	1132
3	JK-2*2P			2.00								415	867	1353
4	JK-2.5*2P		2.5	2.00		69	90	-	-	30	621	403	802	1245	4.9	750
5	JK-2.5 * 2.3P			2.30								473	944	1460
6	JK-2.5 * 2.5P			2.50								538	1113	1733
7	JK-3 * 2.2P		3.0	2.20		100	30	-	-	36	900	447	887	1378	5.9
8	JK-3*2.5P			2.50								518	1030	1595
9	JK-3 * 2.8P			2.80								612	1263	1996
10	JK-3.5 * 2.5P		3.5	2.50		136	170	-	-	42	1230	513	1017	-	6.9
11	JK-3.5 * 2.8P			2.80								584	1161	-
12	JK-3.5 x 3P			3.00								661	1391	-
13	JK-4 * 2.2P		4.0	2.20		214	245	-	-	50	1926	439	988	-	6.3	600
14	JK-4 * 2.7P			2.70								568	1124	-
15	JK-4*3P			3.00								630	1288	-