MG Double Girder Gantry Crane

√ Heavy duty gantry crane. √ Span Length: 12~35 m. √ Lifting Capacity: 5~500 tons.

Product Type: MG
Lifting Capacity: 5t~500t
Span: 12~35m
Lifting Height: According your demands
Working Class: A5,A6
Ambient Temperature: -20~40℃

OVERVIEW

Design and manufacture according to GB/T 14406 "General gantry crane".
Mainly made up of bridge, trolley, crane traveling mechanism and electric system.
All the procedure is finished in the operating room.
Applies to the open warehouse or rail along for general handling and lifting work.
Also can be equipped with other lifting devices like grab or container spreader or etc. for special work.
Prohibited for high temperature, flammable, explosive, corrosion, overloading, dust or other dangerous operations.

FEATURES

In General

Heavy loading capacity; wide span; the whole crane stable and variety;

Novel structure, attractive appearance, and advanced technology;

Flexible operation, safe and reliable;

Standardization, generalization and serialization of the spare parts

Main Body

double girder gantry crane mechanism

Double welded box beams, with the camber line more strict than national standard.

High safety, high steel degree

Adopts high quality carbon steel, Q235B or Q345B.

The main welding is submerged arc automatic welding, nondestructive flaw detection.

The end truck adopts 10.9 high strength bolt connection.

The crane traveling mechanism adopts separated driving, and it can use trinity drive too, safe and reliable.

End beam equipped with buffer block, orbital cleaning device.

Trolley Part

It includes motor, speed reducer, brake, coupling, wheels, and coiling blocks.

No asbestos brake pad and brake block insert use card outfit, safe and reliable;

The speed reducer use hard-toothed surface reducer, compact structure, and durable;

Trolley travelling use separate drive;

High loading ability, long service life moving stable;

Equipped with the derailment prevention board;

Used for Angle round box, equipped with buffer device;

Modular design; meet customer’s different needs.

Electric System

electric-parts.jpg

Module control speed, micro-speed and double speed;

Traveling and lifting smoothly;

The power for trolley moving adopts flat cable, sliding smoothly;

Control box layout is reasonable, easy to repair;

Protection class IP55;

Optional main power source;

All external cable line number with mark;

Safety smooth touch line, high conductivity, small pressure drop;

Light weight, installation convenience;

Set electric taxi high speed, ensure continuing power supply;

Optional speed control module and can realize the micro speed and double speed.

Protection Devices

safety-device.jpg

Preventing hook clashing the top, set shields and barriers

Circuit self-test protection device, running the travel limit

Protecting the current lacking of any phase

Outdoor cranes are equipped with lifting mechanism, electrical control box and rainproof devices.

Anti-collision, sound and light alarm devices.

Equipped with rail clamps

Lifting weight limitation, height limitation, rail clamping devices

Speeding protection, zero pressure protection, the lightning protection

Operation Device

Crane control operation

Capsule driver room which has open eye shot, linkage machine control, easy to operate

Double block button or lever type lever, smooth operation and accurate

Remote control, no need of professional driver

Following type or slide-independent, non-following suspension

Protection class IP65

Life of 500000 times; remote control, very easy;

With strong waterproof, fight broke performance

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