5 ton single girder bridge crane hoist



1. LDA model electric hoist overhead crane   is improved and designed on the basis of LD model overhead crane.

2. This overhead crane is characterized by more reasonable structure and higher strength steel as a whole, the main beam and end carriage are made by U-section steel frame.

3. This overhead crane is used together with CD1/MD1 model or HC/HM model wire rope electric hoist as a complete set.

4. This overhead crane is medium duty class overhead crane, the capacity from 1ton to 20 tons. The span from 7.5m to31.5m, the working grade is A3. Working temperature within -25 to +40 centigrade.

5. This overhead crane is widely used in plants, warehouses, material stocks to lift goods. It is prohibited to use the equipment in the combustible, explosive to corrosives environment.

1. Single girder top running overhead crane

1. Used together with CD1, MD1 model electric hoist

2. Lifting capacity is 1 to 20 ton

3. Span is 6.5 to 31.5 meters

4. Working temperature is -25°C to + 40°C

5. Light duty crane

6. Widely used in plants, warehouses, material stocks

7. Ground and operational room

8. Reasonable structure and higher strength steel.

2. Single girder top running overhead crane with hoist on the top

1. Low clearance light duty

2. Lifting capacity is 3t-13t

3. Span is 7.5-22.5m

4. Lifting height is 6-12m

5. Service space of hook and reduce the cost

6. Tight structure, strong rigidity, low noise, safety and reliability

7. Bigger lifting height

3. Single girder under running overhead crane

1. Used with CD1, MD1 model electric hoist

2. Lifting capacity is 0.5 to 10 tons

3. Span is 3~16m.

4. Working temperature is -25°C to + 40°C

5. used at machinery, assembling sites and warehouses.

6. Adopts ground controlling

7. Light duty track travelling crane with trajectory

8. Reduce the head room


Standard Features:
Design: ‘Kuangyuan’ Brand Electric Overhead Traveling Cranes are designed & manufactured accordance with ISO 9001:2000 ISO 14001:2004 and OHSAS 18001 considering factor of safety in respect to appropriate class of duty. 
Motors: The motors are used specially crane duty suitable for frequent starting , reversing & braking in accordance with ISO 9001:2000 ISO 14001:2004.Motors are totally enclosed in dust proof construction foot / flange mounted TESC / TEFC , Sq. cage motors with integrated safety brakes, insulation class F, IP54 protection for hoisting, CT & LT motions.
Brakes: Mechanical brake
Gear Box : The entire gear boxes are made of accurate hob cut helical / spur gears & pinions having hardness 250 to 350 BHN made from carbon alloy steel. All gears & pinions running on antifriction type ball / roller bearings in totally enclosed oil bath giving constant splash lubrication. The helical / Spur gear designed for adequate strength and optimum wear resistance for smooth operation & long life.

Wheels: The wheels of crane crab, main beam and end carriage are produced in our special Vacuum casting workshop (No sand inclusion technic) which make our wheels more elastic and outer surface hard-wearing and durable.
Electrical Panel: -Modular design, ease to install and maintain, reliable operation, fuse less circuitry, ducted wiring and compact terminals. Motor overload protection to prevent overloading. 
Limit Switch: Safety limit switches for stoppers will be provided to prevent over traveling in all motions.
Painting: -Two coats of primer before assembly & two coats of synthetic enamel after testing.


Parts of crane:

1) Main beam - The main traveling structure of the crane which spans the width of the bay and travels in a direction parallel to the runway. The bridge consists of two end trucks and one or two bridge girders depending on the equipment type. The bridge also supports the trolley and hoisting mechanism for up and down lifting of load.
2) End trucks - Located on either side of the bridge, the end trucks house the wheels on which the entire crane travels. It is an assembly consisting of structural members, wheels, bearings, axles, etc., which supports the bridge girder(s) or the trolley cross member(s).
3) Bridge Girder(s) - The principal horizontal beam of the crane bridge which supports the trolley and is supported by the end trucks.
4) Runway - The rails, beams, brackets and framework on which the crane operates.
5) Runway Rail - The rail supported by the runway beams on which the crane travels.
6) Hoist - The hoist mechanism is a unit consisting of a motor drive, coupling, brakes, gearing, drum, ropes, and load block designed to raise, hold and lower the maximum rated load. Hoist mechanism is mounted to the trolley.
7) Trolley - The unit carrying the hoisting mechanism which travels on the bridge rails in a direction at right angles to the crane runway. Trolley frame is the basic structure of the trolley on which are mounted the hoisting and traversing mechanisms.
8) Bumper (Buffer) - An energy absorbing device for reducing impact when a moving crane or trolley reaches the end of its permitted travel, or when two moving cranes or trolleys come into contact. This device may be attached to the bridge, trolley or runway stop.
Optional Features:

Variable speed through VVF Drive

Soft starter

Slipring motors

Wireless Radio Remote control

Shrouded DSL system for power feeding


Cabin Operated

PLC automatic Control system PLC



1. Steel is Q235B 
2.Longer service life 
3.Excellent performance 
4.ISO9001 quality certificate

5. Compact structure and strong rigidity 
6.Low noise & good performance 

7. Improve production efficiency
8.With top brand parts

9. Low cost 
10.easy operating& installation 


 Safety Devices:

Anti-collision system

Sound and alarm system

Overload protection device (Lifting height limit device)

Top quality long time bearing polyurethane materials buffer

Crane traveling limit switch

Lifting limit switch CHNT 

Voltage lower protection function

Rubber buffers Hooks with latch

Emergency stop function

Electric Parts: CHNT&®(Famous brand in China).Siemens®,Schneider® and other brand for option.




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