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JKB (Flameproof) 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 precise braking. A variety of position-indication systems ensure accurate depth monitoring of the lifted container. Additionally, a sophisticated integrated mechanical, electrical, and hydraulic control system—comprising various sensors and control components—provides comprehensive monitoring and protection for the entire machine. Finally, advanced computer and networking 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," the national standard GB/T20961-2018, "Single-Rope Winding Mine Hoists," as well as Q/YX006-2020, "Single-Rope Winding Mine Hoists," and the "Coal Mine Safety Regulations" and GB16423-2020, "Safety Regulations for Metal and Non-Metallic Mines."

Product model examples

　　Example 1: A mine hoist with a single-drum, simple rope-winding design, featuring a drum diameter of 3 meters and a width of 2.2 meters, equipped with non-smoke-separating 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.

Single-Rope Winding Mine Hoist Product Parameters: JKB 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 lifting speed	Electric motor speed (not exceeding)
		Number	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	JKB-2*1.5P	1	2.0	1.50	-	60		-		32	540	278	590	935	5.2	1000
2	JKB-2 * 1.8P			1.80								345	726	1141
3	JKB-2.5*2P		2.5	2.00		90		-		40	810	425	886	1388	4.9	750
4	JKB-2.5 x 2.3P			2.30								498	1035	1614
5	JKB-3*2.2P		3.0	2.20		130		-		50	1170	445	914	1458	5.9
6	JKB-3*2.5P			2.50								507	1042	1632
7	JKB-3.5 * 2.5P		3.5			170		-		58	1530	503	1125	-	6.9
8	JKB-3.5 x 2.8P			2.80								548	1312	-