20-500 Ton Double Girder Gantry Crane with Trolley

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  • Last update:

    2017-12-30 20:38

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Company Profile

Henan Shengqi Machinery Group Co., Ltd.

By certification [File Integrity]

Contact:Mr. Linda Chen(Mr.)  





Website: http://zgzysq.sin-ko.com/

20-500 ton Double Girder Gantry Crane with Trolley

MG Gantry Crane

Our Designed MG Gantry cranes can lift heavy loads up to 700t. Its spans can be over 50 meters. For fabrication and freight-transfer applications, it can move loads rapidly and smoothly.

-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.
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   
Power Supply Volts Hz Phase
Control Method cabin   floor  
wireless   other  

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