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QB explosion-proof crane

The explosion-proof performance of all motors and electric appliances of QB explosion-proof overhead traveling crane conforms to provisions in 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 also conform to provisions in IEC79-1, BS4683 and EN50018. The performance of the whole machine conforms to provisions in JB/T5897-2014 Explosion-proof Overhead Traveling Crane, and it is explosion-proof. The explosion-proof rating is EXdICT4, and it is applicable for 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-6/1.5×2(YBZE112M-6/1.5×2)								YBZ112M-6/1.5×2(YBZE112M-6/1.5×2)
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-6/1.5×2(YBZE112M-6/1.5×2)								YBZ112M-6/1.5×2(YBZE112M-6/1.5×2)
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					YBZE160M1-6/5.5×2 YBZE132M2-6/3.7×2

The explosion-proof crane is applicable for the environment with methane explosion of the coal mine. The operating ambient temperature is -20℃～+40℃, the relative air humidity is not larger than 85% (when the ambient temperature is 25℃), the elevation shall not exceed 1000m, and the underground air is applicable for provisions in Article 100 of the Safety Rules for Coal Mine.