Double Girder Overhead Crane with Electric Hoist
Double Girder Overhead Crane with Electric Hoist
Double Girder Overhead Crane with Electric Hoist
Double Girder Overhead Crane with Electric Hoist
Double Girder Overhead Crane with Electric Hoist
Double Girder Overhead Crane with Electric Hoist
Double Girder Overhead Crane with Electric Hoist
Double Girder Overhead Crane with Electric Hoist

Double Girder Overhead Crane with Electric Hoist

LH electric hoist bridge crane with hoist lifting trolley, using thebox girder bridge. crane drive mode use three in one model, with compact dimensions, low building height clearance, light weight , small size, simple structure. Suitable for mechanical processing workshop, metallurgical plant auxiliary workshops, warehouses, material, power plants and other transport, assembly, maintenance and handling operations

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Double Girder Overhead Crane with Electric Hoist

This Double Girder Overhead Crane with Electric Hoist is built for places like machine shops, metallurgical auxiliary workshops, warehouses, power plants, and material handling yards. It uses a box-girder main bridge, with a “three-in-one” drive mode—that means traveling, trolley and hoisting are combined compactly. The design is light, simple, and works well where building height is limited. Operates with cabin, remote, or pendant control.

  1. Lifting height limit device

  2. Voltage lower protection function

  3. Phase sequence protection function

  4. Emergency stop function

  5. Hooks with latch

  6. Rubber buffers

  7. Laser anti-collision system

Double Girder Overhead Crane with Electric Hoist Advantage

1. Overload protection: If the material is over the capacity, the crane will give a sharp warning for protection itself.
2. Emergency brake: If the operation staff encounter some emergency situation, we could start the emergency brake system to protection the related treasure.
3. Control Method: Room control or remote control to avoid any injure to the operation staff
4. Main lifting motor: with thermal protection and currency protection.
5. Hooks with latch
6. Rubber buffers
7. Protective earthing
8. Crane switch and travel end switch
9. Sub-assemblies characteristic are tested before assemly.
10. All cranes must be pre-assmebled and tested before leaving factory and offer the certification of test.


Double Girder Overhead Crane with Electric Hoist Specification

Rated lifting weight
t
32/10
20/5
16/3
10/3
5
manipulation mode
ground control, cabin control
Speed
Main hook lifting
  
m/min
3(0.3/3)
3.3
3.5(0.35/3.5)
7(7/0.7)
8(8/0.8)
Secondary hook lifting
7(7/0.7)
8(8/0.8)
8(8/0.8)
8(8/0.8)

Trolley traveling
20
20
20
20
20
Cart traveling
ground
20;30
20;30
20;30
20;30
20;30
control room
30;40
30;40
30;45
30;45
30;45
 
 electromotor
Main hook lifting
 
Model/kw
ZDX62-6/18.5 ZDS12.2/18.5(main engine Six grade motor6)
ZD152-4/18.5
ZD151-4/13(ZDS1.5/13)
ZD151-4/13(ZDS1.5/13)
ZD141-4 (ZDS0.8/7.5)
Secondary hook lifting
ZD151-4/13   (ZDS1.5/13)
ZD141-4/7.5(ZDS0.8/7.7)
ZD132-4/4.5
(ZDS0.4/4.5)
ZD132-4/4.5
(ZDS0.4/4.5)

Trolley traveling
ZDY131S-4/2.2×2
ZDY(D)22-4/1.5×2
ZDY(D)122-4/1.5×2
ZDY(D)121-4/0.8×2
ZDY(D)121-4/0.8×2
Cart traveling
ground
ZDY131S-4/2.2×2
ZDY131-4/3×2
ZDY122-4/1.5×2
ZDY131S-4/2.2×2
ZDY(D)122-4/1.5×2
ZDY131S-4/2.2×2
ZDY(D)122-4/1.5×2
 
ZDY(D)121-4/0.8×2
ZDY(D)122-4/1.5×2
control room
ZDR112L2-4/3.0×2
ZDR125-4/4.6×2
ZDR112L2-4/3×2
 
ZDR112L1-4/2.1×2
ZDR112L2-4/3×2
ZDR100-4(D)1.5×2
ZDR112L1-4/2.1×2
ZDR100-4(D)1.5×2
ZDR112L1-4/2.1×2
Electric hoist

WH164; CD1(MD1)
CD1(MD1)
Lifting height
m
9;12;18;24
6;12;18;24
9;12;18
9;12;18;24
6;9;12;18;24
Working system

A3~A5
Power

three phase current;50HZ;380V
Cart track recommended

43KG/M
38KG/M
Span
m
7.5m~22.5m



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FAQs

What makes this LH double-girder crane a good choice when building height is limited?

The LH bridge crane is designed with a box girder and compact structure to reduce the required building (headroom) height. Its smaller size and lighter weight help in installations where ceiling height or support structure is a constraint, while still offering good lifting capacity and stability.

How do the safety features (like laser anti-collision, limit devices, overload protection) reduce risk in daily operation?
Features such as lifting height limit devices prevent the hoist from over-travel, while overload protection ensures the crane doesn’t attempt to lift above its rated capacity. Laser anti-collision helps avoid collisions during movement which can be critical in busy workshops. Hook latches, rubber buffers, emergency stop, phase sequence protection etc., all combine to reduce risks of accidents, damage, or downtime.
How do I integrate this crane into an existing workshop (foundation, rails, structure)?

You’ll need to ensure that the building structure and runway beams can support the dead weight plus dynamic loads of the double girder crane. Rails should match recommended rail weight (38kg/m or 43kg/m) for smooth and safe travel. Check the span needed, lifting height, power supply, and control path. If retrofitting into existing facility, ensure clearances (for cabin, hook, trolley), and that safety controls are accessible.

What maintenance practices are essential to keep this crane safe and reliable long term?

Key maintenance includes regular inspection of wire ropes or chains, limit switches, brakes, rubber buffers; checking for electrical stability (phase sequence, voltage drop); ensuring overload protection is working; verifying laser anti-collision / anti-collision devices; lubrication of moving parts; ensuring all safety protections (hooks, emergency stops) are functional. Pre-assembly and factory testing help, but ongoing care is critical.

For what kind of workshop loads is this crane best suited, and when might a different model be better?

This crane is ideal for light-to-mid duty loads: maintenance, assembly, light transport in workshops, metallurgical auxiliary tasks, warehouses. If your tasks involve very heavy loads, frequent lifts, or harsh environment (e.g. explosive, corrosive, or high humidity), you might need a heavier duty model or specialized crane (higher working class, special coatings, explosion proof etc.).


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