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QB Explosion-proof Overhead Crane

The explosion-proof performance of all motors and electric parts of the QB Explosion-proof Overhead Crane is in compliance with the GB3836.1-2000 Electrical Apparatus for Explosive Gas Atmospheres - Part 1: General Requirements and GB3836.2-2000 Electrical Apparatus for Explosive Gas Atmospheres - Part 2: Flameproof Enclosure "d", and is also compliance with IEC79-1, BS4683 and EN50018. The performance of the whole machine conforms with JB/T5897-2014 Explosion-proof Overhead Crane, and it is explosion-proof. The explosion-proof rating is EXdICT4, and it is applicable to use in the place with mixture of explosive gas.

Technical Parameters
Product Features

Lifting Capacity		t	5								10
Span		m	10.5	13.5	16.5	19.5	22.5	25.5	28.5	31.5	10.5	13.5	16.5	19.5	22.5	25.5	28.5	31.5
Maximum Lift Height		m	16								16
Working Level			A4								A4
Explosion-proof Rating			ExdⅡBT4;(ExdⅡCT4)								ExdⅡBT4;(ExdⅡCT4)
Speed	Lifting	m/min	5								5
	Trolley Travel		19.6(14.6)								20.5(13)
	Cart Travel		22.3(12)								22.3(12)					19(14.5)
Electric Motor	Lifting	kw	YBZ160M1-6/5.5(YBZE160M1-6/5.5)								YBZ160L-6/11(YBZE160L-6/11)
	Trolley Travel		YBZ112M-6/1.5(YBZE112M-6/1.5)								YBZ112M-6/1.5(YBZE112M-6/1.5)
	Cart Travel		YBZ112M-6/1.52(YBZE112M-6/1.52)								YBZ112M-6/1.52(YBZE112M-6/1.52)
Lifting Capacity			t	16/3.2								20/5
Span			m	10.5	13.5	16.5	19.5	22.5	25.5	28.5	31.5	10.5	13.5	16.5	19.5	22.5	25.5	28.5	31.5
Maximum Lift Height	Main Hook			16								12
	Secondary Hook			18								14
Working Level				A4								A4
Explosive-proof Grade				ExdⅡBT4;(ExdⅡCT4)								ExdⅡBT4;(ExdⅡCT4)
Speed	Main Hoisting		m/min	4.3								4.2
	Auxiliary Hoisting			5.6								5
	Trolley Travel			20.5(13)								20.5(13)
	Cart Travel			19(14.5)			17(14.5)					19(14.5)			17(14.5)
Electric Motor	Main Hoisting		kw	YBZ180L-6/15(YBZE180L-6/15)								YBZ180L-6/15(YBZE180L-6/15)
	Auxiliary Hoisting			YBZ132M2-6/3.7(YBZE132M2-6/3.7)								YBZ160M1-6/5.5(YBZE160M1-6/5.5)
	Trolley Travel			YBZ132M1-6/2.2(YBZE112M-6/1.5)								YBZ132M1-6/2.2(YBZE112M-6/1.5)
	Cart Travel			YBZ112M-6/1.52(YBZE112M-6/1.52)								YBZ112M-6/1.52(YBZE112M-6/1.52)
Lifting Capacity			t	32/5								50/10
Span			m	10.5	13.5	16.5	19.5	22.5	25.5	28.5	31.5	10.5	13.5	16.5	19.5	22.5	25.5	28.5	31.5
Maximum Lift Height	Main Hook			16								12
	Secondary Hook			18								16
Working Level				A4								A4
Explosive-proof Grade				ExdⅡBT4;(ExdⅡCT4)								ExdⅡBT4;(ExdⅡCT4)
Speed	Main Hoisting		m/min	4.1								3
	Auxiliary Hoisting			5.6								5
	Trolley Travel			20(13)								19.1(15.3)
	Cart Travel			17(14.5)			19.4(14.3)					19(14.5)			19.3(14.4)
Electric Motor	Main Hoisting		kw	YBZ225M-6/30(YBZE225M-6/30)								YBZ225M-6/30(YBZE225M-6/30)
	Auxiliary Hoisting			YBZ160M1-6/5.5(YBZ160M1-6/5.5)								YBZ160L-6/11(YBZ160L-6/11)
	Trolley Travel			YBZ132M2-6/3.7(YBZE132M1-6/2.2)								YBZ160M1-6/5.5(YBZE132M2-6/3.7)
	Cart Travel			YBZ112M-6/1.5(YBZE112M-6/1.5				YBZ132M1-6/2.2(YBZ112M-6/1.5)				YBZ132M1-6/2.2(YBZE132M1-6/2.2)				YBZ132M2-6/3.7(YBZ132M1-6/2.2)
Lifting Capacity			t	75/20
Span			m	13.5		16.5	19.5	22.5	25.5	28.5	31.5
Maximum Lift Height				20/22
Working Level				A4
Explosive-proof Grade				ExdⅡBT4;(ExdⅡCT4)
Speed	Main Hoisting		m/min	1.86
	Auxiliary Hoisting			4.2
	Trolley Travel			10
	Cart Travel			15.4;(9.88)					15.7;(9.9)
Electric Motor	Main Hoisting		kw	YBZ250M-8/30(YBZE250M-8)
	Auxiliary Hoisting			YBZ180L-6/15(YBZE180L-6)
	Trolley Travel			YBZE132M2-6/3.7
	Cart Travel			YBZE132M2-6/3.7*2					YBZE160M1-6/5.52 YBZE132M2-6/3.72

The QB Explosion-proof Overhead Crane is applicable for coal mine with methane gas. The operating ambient temperature is -40℃ to 40℃ (-40°F to 104°F), the relative humidity should be not larger than 85% (when the ambient temperature is 25℃/77°F), the altitude should not exceed 1,000m, and the underground air is applicable for provisions in Article 100 of the Safety Rules for Coal Mine.