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Multi-rope friction hoist

The multi-rope friction hoist is mainly used for the hoisting and transportation of ground shafts in coal mines, metal mines and non-metallic mines. ores and materials.

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Mine Hoist

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描述

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Purpose and scope of application
The multi-rope friction hoist is mainly used for the hoisting and transportation of ground shafts in coal mines, metal mines and non-metal mines. It forms a hoisting system together with hoisting wire ropes, motors, electric control systems and hoisting containers to realize mine hoisting and lowering of personnel, equipment, ores and materials.
Product model meaning

working principle
Composition of multi-rope friction hoist: It is mainly composed of electric motor, reducer, main shaft device, guide wheel device, depth indicator, braking device, hydraulic station and signal device, electric control and other components.
The closed wire rope with the container hanging in the middle is wound on the reel. When the motor drives the reel to rotate, the container is lifted and lowered by the friction between the wire rope and the reel liner; the speed is adjusted by electrical transmission; the disc brake is hydraulically driven Realize braking with electrical control; indicate the running position of the container through the depth indicator indicating system; monitor and protect the whole machine through the mechanical, electrical and hydraulic combined system realized by various sensors and control elements.
schematic diagram

Technical Features
1. According to the requirements of the maximum static tension difference of the hoist, single brake disc or double brake disc friction wheel can be configured.
2. The friction liner with friction coefficient of 0.25 is selected. The friction liner of the floor-type friction hoist is a double rope groove and is equipped with a rope pulling device, and the tower type is a single rope groove; the fixed block and the pressing block are made of phenolic resin.
3. The sky wheel and guide wheel device equipped with PVC liner are adopted.
4. The cylinder rear disc brake is adopted, and the electric-hydraulic joint control is adopted. The hydraulic station adopts two types of medium and low pressure and medium and high pressure. Can be equipped with pressure sensor and pressure transmitter;
5. Equipped with two electronic control systems of DC speed regulation and frequency conversion speed regulation.
technical parameter

Table 1. JKM (I) shaft tower type multi-rope friction hoist

serial number	Product number	Friction wheel diameter	Number of wire ropes	Maximum static tension difference of wire rope	Maximum static tension of wire rope	Maximum diameter of wire rope	Wire rope spacing	Max lift speed	reducer	Displacement weight of rotating part (except motor and skywheel)	machine weight (excluding electrical equipment)	Dimensions (L×W×H)
		Friction wheel diameter	Number of wire ropes	friction coefficient 0.25	Maximum static tension of wire rope	Maximum diameter of wire rope	Wire rope spacing	Max lift speed	reducer		machine weight (excluding electrical equipment)	Dimensions (L×W×H)
		m	root	kN	kN	mm	mm	m/s	model	t	t	m
1	JKM-1.6×4P I	1.60	4	40	150	20	200	8.0	XP560	4	17.5	6.4×7×1.75
2	JKM-1.85×4P I	1.85	4	45/50	150/165	20/22	200	10.0	XP710	5.6	28.1	7×7.5×1.75
3	JKM-2×4P I	2.00	4	55	180	22	200	10.0	XP800	5.8	30.7	7×8×2.2
4	JKM-2.25×4P I	2.25	4	65	215	24	200	15.0	XP800	6.5	33.8	7.4×8×2.3
5	JKM-2.8×4P I	2.80	4	100	335	30	250		ZZDP1000	10.2	45.3	8.5×10×2.65
6	JKM-2.8×6P I	2.80	6	160	520	30	250		ZZDP1120	15.8	66.5	8×8.5×2.65
7	JKM-3×4P I	3.0	4	140	450	32	300		ZZDP1000	12.3	67.2	8.9×8.7×2.98
8	JKM-3×6P I	3.0	6	220	670	32	300		ZZDP1120	13.9	73	9.5×8.7×2.98
9	JKM-3.25×4P I	3.25	4	160	520	36	300		ZZDP1120	13.36	69.3	8.9×8.9×2.98
10	JKM-3.5×4P I	3.5	4	180	570	38	300		ZZDP1250	15.6	75.1	9×9.2×3.2

Table 2. JKM (III) well tower type multi-rope friction hoist

serial number	Product number	Friction wheel diameter	Number of wire ropes	Maximum static tension difference of wire rope	Maximum static tension of wire rope	Maximum diameter of wire rope	Wire rope spacing	Max lift speed	Guide wheel diameter	Displacement weight of rotating part (except motor and skywheel)	machine weight (excluding electrical equipment)	Dimensions (L×W×H)
		Friction wheel diameter	Number of wire ropes	friction coefficient 0.25	With guide wheel	With guide wheel	Wire rope spacing	Max lift speed	Guide wheel diameter		machine weight (excluding electrical equipment)	Dimensions (L×W×H)
		m	根	kN	kN	mm	mm	m/s	m	t	t	mm
1	JKM-2.8×4ZIII	2.8	4	100	335	30	250	16.0	2.8	10.8	56	6.9×8×2.7
2	JKM-2.8×6ZIII	2.8	6	160	520	30	250		2.8	14	60	7.5×8×2.7
3	JKM-3.25×4ZIII	3.25	4	160	520	36	300		3.25	12.8	62	7×8×2.7
4	JKM-3×6ZIII	3.0	6	220	670	32			3.0	16.9	72	7.5×8×2.7
5	JKM-3×4ZIII	3.0	4	140	450	32			3.0	10.8	58	7×8×2.7
6	JKM-3.5×4ZIII	3.5	4	180	570	38			3.5	13.5	68	7.4×9×3
7	JKM-3.5×6ZIII	3.5	6	270	860	38			3.5	21	82	8×9×3.2
8	JKM-4×6ZIII	4	6	340	1200	44			4.0	22	99.5	9×9×3.6
9	JKM-4.5×4ZIII	4.5	4	340	980	50			4.5	27.8	99.1	9×9.5×3.6
10	JKM-4.5×6ZIII	4.5	6	440	1450	50			4.5	30	130	12×9.5×3.6

Table 3. JKMD (I) type floor-standing multi-rope friction hoist

serial number	Product number	Friction wheel diameter	Number of wire ropes	Maximum static tension difference of wire rope	Maximum static tension of wire rope	Maximum diameter of wire rope	Wire rope spacing	Max lift speed	reducer	Displacement weight of rotating part (except motor and skywheel)	machine weight (excluding electrical equipment)	Dimensions (L×W×H)
		Friction wheel diameter	Number of wire ropes	friction coefficient 0.25	Maximum static tension of wire rope	Maximum diameter of wire rope	Wire rope spacing	Max lift speed	reducer		machine weight (excluding electrical equipment)	Dimensions (L×W×H)
		m	root	kN	kN	mm	mm	m/s	model	t	t	m
1	JKMD-1.6×4P I	1.60	4	30	150	16	250	8.0	XP560	5	38	6×7×1.75
2	JKMD-1.85×4P I	1.85		45	155	20	250	10.0	XP710	5.7	42.6	6.2×7×1.75
3	JKMD-2×4P I	2.00		55	180	22	250		XP800	6	43.5	6.5×7×1.75
4	JKMD-2.25×4P I	2.25		65	215	24	250		XP800	6.5	47.5	6.8×9.5×2.3
5	JKMD-2.8×4P I	2.80		100	335	30	300	15.0	ZZDP1000	11	62.9	8.5×10×2.6
6	JKMD-3×4P I	3.0		140	450	32	300		ZZDP1000	11.5	78	8.4×9.55×2.6
7	JKMD-3.25×4P I	3.25		160	520	36	300		ZZDP1120	12.7	98.08	8.5×9.6×2.65
8	JKMD-3.5×4P I	3.5		180	570	38	300		ZZDP1250	17.6	101.5	8.5×10×3

Table 4. JKMD (III) floor-standing multi-rope friction hoist

serial number	Product number	Friction wheel diameter	Number of wire ropes	Maximum static tension difference of wire rope	Maximum static tension of wire rope	Maximum diameter of wire rope	Wire rope spacing	Max lift speed	Wheel diameter	Displacement weight of rotating part (except motor and skywheel)	machine weight (excluding electrical equipment)	Dimensions (L×W×H)
		Friction wheel diameter	Number of wire ropes	friction coefficient 0.25	Maximum static tension of wire rope	Maximum diameter of wire rope	Wire rope spacing	Max lift speed	Wheel diameter		machine weight (excluding electrical equipment)	Dimensions (L×W×H)
		m	根	kN	kN	mm	mm	m/s	m	t	t	mm
1	JKMD-4×4ZIII	4	4	270	770	44	350		4.0	20	115	8.1×8.7×3
2	JKMD-3×4ZIII	3.0		140	450	32	300	16.0	3.0	11.5	74.5	7×9×3
3	JKMD-3.25×4ZIII	3.25		160	520	36	300		3.25	15	82	7.3×9×3
4	JKMD-3.5×4ZIII	3.5		180	570	38	300		3.5	18	87	7.5×9.5×3
5	JKMD-4.5×4ZIII	4.5		340	980	50	350		4.5	29	165	9.5×9.5×3.2