Heavy Duty Bridge Crane

Heavy duty crane refers to overhead cranes or bridge cranes with higher capacities over 10 tons for hoisting heavier materials in workstations, steel mills, plants, etc. The working classes of the heavy crane is also a bit higher than other general usage cranes, which is usually within the range of A6 to A8. Grab cranes, Electromagnetic Cranes, explosion proof cranes are all heavy-lift cranes from  overhead bridge crane factory.

Types of Heavy Duty Overhead Crane for Sale

Our cranes have been successfully exported to over 90 countries and regions. We provides different heavy duty cranes, such as 50 ton overhead crane and 100 ton overhead crane etc.

Besides, we support customized service to meet all your personal requirements. Of course, there are various types of light duty overhead cranes in our company, like 1 ton bridge crane, 5 ton bridge crane and 10 ton overhead crane etc. Looking forward to establishing long-term cooperation relationship with you.

Technical Parameter of AQ-QD Double Girder Overhead Crane
Capacity	t	5	10	16	20	32	50
Span	S(m)	10.5~31.5	10.5~31.5	10.5~31.5	10.5~31.5	10.5~31.5	10.5~31.5
Lifting height	m	6~16	6~16	6~16	6~16	6~18	6~16
Lifting speed	m/min	11.5	8.5	7.9	7.2	6	6
Trolley speed	m/min	37.2	37.4	40.1	40	37	31.3
Crane speed	m/min	70.6	70.6	74.3	75.1	64.9	58.5
Work duty		A3~A7	A3~A7	A3~A7	A3~A7	A3~A7	A3~A7
Track type		P38	P38  P43	P43	P43	QU70	QU80

Capacity	t	75	100	125	160	200	250
Span	S(m)	10.5~31.5	13~31	13~31	13~31	13~31	13~31
Lifting height	m	6~20	6~20	6~20	6~22	6~20	6~20
Lifting speed	m/min	3.9	3.1	3.9	3.5	2.6	2.2
Trolley speed	m/min	31.3	33.6	33	40	32	32
Crane speed	m/min	61	61.8	62.3	68	48	50
Work duty		A3~A7	A3~A7	A3~A7	A3~A7	A3~A7	A3~A7
Track type		QU100	QU100	QU100	QU120	QU120	QU120

Capacity	t	300	350	400	450
Span	S(m)	13~31	13~31	13~31	13~31
Lifting height	m	6~24	6~24	6~24	6~24
Lifting speed	m/min	2.4	2.2	2.6	2.1
Trolley speed	m/min	28	28	31	27
Crane speed	m/min	42	42	45	42
Work duty		A3~A7	A3~A7	A3~A7	A3~A7
Track type		QU120	QU120	QU120	QU120

Suggestions on the Heavy Duty Crane Maintenance

• Cleaning the appearance of the crane and inside and outside the cab, and keep them clean and tidy.
• Check the lifting device, wire rope roll system components, and eliminate defects, to meet the requirements of lifting safety requirements.
• Check the gear unit, drive the parts and eliminate the loose phenomenon so that the transmission is smooth, normal operation.
• Check the brake, adjust the gap to reach the brake sensitive and reliable.
• Check the safety device, and eliminate defects to make sure safe and reliable operation.
• Check the size of the car wheel device and track, adjust the gap to eliminate loose, to achieve smooth and reliable walking.
• Check the size of the vehicle to drive the parts of the drive and remove the loosening to achieve smooth operation of the drive normally.
• Check the safety device, and eliminate the defects, to achieve safe and reliable action.

Any needs on the heavy duty crane, be free to contact us.