The 3-ton LH electric hoist double-girder bridge crane (hereinafter referred to as the 3-ton crane) is designed and manufactured in accordance with the standard JB/T3695-1994. The LH-type 3-ton electric hoist double-girder crane is similar to the 5-ton electric hoist in the form of CDI, MDI and other forms. When used together, it becomes a light and small crane running on rails. Its applicable lifting capacity is 3 tons, its applicable span is 7.5-35 meters, the working level is A3~A4, and the working environment temperature is within the range of -25℃ ~ +40℃.

3-ton electric hoist double-girder crane structure diagram

Technical parameters of 3-ton electric hoist double-girder crane

name				Model unit	LH type 3-ton hoist double-girder bridge crane (3t crane, 3t traveling crane, 3t traveling crane) LH type 3-ton hoist bridge crane, LH type 3-ton hoist double-girder crane
Lifting weight Q				t	3
Control type					Ground control, control room control
big car	Running speed V			m/min	20			30			45
	electric motor		model		ZDY121–4
			power	kw	2×0.8
			Rotating speed	RPM	1380
Rise	Electric hoist			model	CD1   MD1
	Lifting height			m	6、9、12
	Lifting speed V1			m/min	8    8/0.8
car	Running speed V2			m/min	20    30
job type					A3~A5
power supply					3 phase 50HZ 380V
Wheel diameter (large car/small car)				mm	φ270 /φ160
Recommended rails				model	P18，P22，P24
Span S				m	10.5	13.5	16.5		19.5	22.5	25.5	28.5	31.5
Maximum wheel pressure Rmax				KN	27	29	33		35	38	45	49	58
Total weight W				KG	3732	4599	5601		6968	8844	10877	12662	15275
basic size		K		mm	900	900	900		900	900	1000	1000	1000
		IN		mm	2300	2300	2400		2600	2800	3000	3500	3500
		L2		mm	2800	2800	2900		3100	3300	3500	4000	4000
		L1		mm	10740	13740	16740		19740	22740	25740	28740	31740
		WC		mm	970
		H		mm	1040