Product Description Model NO.: MG Application: Construction Usage, Workshop Usage, Container Usage, Mineral Area Usage Sling Type: Wire Rope Power Source: Electric Installation: Assembled Condition: New Span: up to 30m Duty Group: A5 Trademark: shengqi Origin: China Type: gantry crane Tower Crane Type: Gantry Crane Main Girder Form: Double Girder Moving Type: Orbital Certification: ISO9001: 2000, CE Capacity: up to 500t Lifting Height: up to 35m Control Method: Pendent/Cabin/Wireless Specification: Gantry Crane HS Code: 84261930 Capacity 200  to 500 Ton Double Girder Gantry Crane 
  Part 1 Descriptations:
MG Gantry cranes are all types of cranes which lift objects by an open winch which is fitted in a trolley and can move horizontally on a rail or pair of rails fitted under a beam. Gantry cranes are an excellent alternative to permanent indoor overhead cranes, which minimal investment in any new building by eliminating the need for increased foundational and structural considerations. In addition, they can be disassembled and moved to a new location easily. We designed MG Gantry cranes with different capacities and spans that will meet your requirements. Our designed Gantry Crane is with heavy loads up to 700t and spans can be over 50 meters. For fabrication and freight-transfer applications, it can move loads rapidly and smoothly. Double Girder Gantry cranes are widely used for moving objects within shipyards, ports, rail yards, factories, and warehouses.  
Part 2: Detailed Configuration

  Mechanical: -Double main girder, welded box beam -Material: carbon steel with high quality of Q235B or Q345B -The main girder is connected by strength bolt. -Weld joint tested by X ray or ultrasonic examination; -Forged Crane wheels  -Trolley with Compact structure, small size and light; -Lifting mechanism is rigid open winch trolley -Compacted gear motor driving, harden gear, Hydraulic Brake     -Excellent driving properties, smoothly moving -Shot-blasting Sa2.5 for complete girder after welding, stress release  -Epoxy zinc rich high quality painting, 2x2 with 140μm   Electrical  -Conductor power supply  -All hoist and crane movements are independent and can be run simultaneously.  -Protection degree IP55 -The components are positioned in a maintenance friendly way, and the whole layout provides with good protection -Festoon cables are suspended on cable saddles, fixed to cable trolleys, running in a galvanized C-track.   Protective Features - Overload Limiter, Limit Switch (Lifting and Traveling), Interlock protection device, Buffer, Rail clear plate, Protective cover, Bus Bar preventer plate, Anti-collision device, Light alarm devices Main isolating switch, Emergency stop system, Motor overload protection -equipped with rainproof devices for lifting mechanism, electrical control box.   Part 3: Sketch & Technical Data

MG Double Girder Gantry Crane
Capacity(t)	5t~700t as per requirements
Span(m)	7m~60m, or other special span
Lifting Height(m)	6m~24m or other specail height
Lifting Speed(m/min)	single lifting speed or stepless speed(designed as per requirements)
Trolley Speed(m/min)	single lifting speed or stepless speed(designed as per requirements)
Bridge Speed(m/min)	single lifting speed or stepless speed(designed as per requirements)
Working Duty	A5~A8 depends on application
Power supply	380V,50Hz or other
Crane Inquiry Data Sheet
Nos. Crane required
Capacity	Main Hook		Aux. hook
Span of the Crane
Required Hook Lift	Main Hook		Aux. hook
Length of Runway
Working Ambient
Working Duty	Using Frequency
Application
Power Supply	Volts     Hz      Phase
Control Method	cabin		floor
	wireless		other

Lifting capacity	Main	t	200	320	400	500
	Aux		32	50	30	80
Span		m	22	18	18	28.5
Lifting height	Main	H1	12	13	18	33/10
	Aux	H2	13	14	20	34
Max. wheel load			419	580	400	480
Installed power			190	260	275	350
Speed	Main hoisting	m/min	0.2-1.8	0.14-1.4	0.15-1.5	0.15-1.5
	Aux hoisting		6	7.5	6	0.6-6
	Crab travelling		20	7	10	1.36-13.6
	Trolley travelling		16	17	18	1.6-16
Main dimensions	B1	mm	9800	10500	11000	16000
	B2		15000	15800	20100	24600
	L1		2500	3000	3000	4500
	L2		3000	3500	4500	3500
Working system			Medium
Power source			3-Phase A.C. 380V 50Hz

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