NLH Double Girder Overhead Crane

√ Designed with FEM standards. √ Span Length: 7.5~31.5 m. √ Lifting Capacity: 5~80 ton.

Product Type: NLH
Lifting Capacity: 5t~80t
Span: ≧6m
Lifting Height: According your demands
Working Class: A5, A6
Ambient Temperature: -20~40℃


European Style Double Girder Overhead Crane have features of design concepts, small dimension, light dead weight, Compared with traditional cranes, the limiting distance is minimum from hook to wall, and headroom is the lowest, which makes cranes work more close to the front, and lifting height more higher that increases effective working space of workplace.

New workshops can be designed more smaller and have more functions because the dead weight is light, and the wheel pressure is small. Smaller size workplace means saving a huge amount of money from initial construction investment, long-term heating, air conditioning and other maintenance free.


In general

European optimization design, light dead weight, small wheel load, and short size.

Good driving capacity, double lifting speed, frequency control of trolley and crane

Smooth and stable traveling

A variety of patterns meet customers'needs

Mechanical parts

double girder overhead crane mechanism

Single main girder, welding box structure, camber meeting national standard

Steel plate material Q235 or Q345B ( similar with foreign steel plate Fe3 or Fe52).

Main welds joint adopts union melt welding, nondestructive inspection.

After welding, main girder is through shot blasting treatment, gets Sa2.5 class, and eliminate welding stress.

Main girder and end girder adopts bolted connection to ensure strength and accuracy of the whole set.

The trolley and crane adopt three-in-one driving mechanism, frequency stepless speed regulating, hard-tooth surface, disc brake.

Crane driving IP55, F class insulation, contact continuity reaches 40% ED.

Epoxy zin-rich paint, a long service life, beautiful outlook and lustre.

Crane buffer block, anti-derail end plate


Compact constructure, small size, light weight.

Square steel for traveling rail.

Consists of three-in-one reducer, trolley frame and electric hoist.

Three-in-one structure for trolley traveling

Electrical parts


Safe slide wire provides power whose conductivity is high and voltage drop is small, and current collector slide speed is swift.

Lifting mechanism, trolley and crane can be controlled independently, and work synchronously or individually.

Reasonable layout, simple maintenance and insulation class IP55 for electric control box

Flat cable, galvanized track and cable pulley for trolley traveling power supply, smooth traveling

Electric contactless module speed regulation controlling

Smooth traveling, lifting, and pushing-on

Protection devices


Overload warning, secondary class anti-clamp

Cranes with buffer

Sound and light alarm devices

Circuit self-check protector, and flow phase lack protection


Crane control operation

Several operation ways such as: ground flashlight door, remoter, flashlight door+remoter, etc.

Ground operation is simple, no need of professional operators, and operators have more freedom on the ground.

Double stop button or rocker type joystick

Cam controller and linkage table controller

Customers can choose what they need

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