1. Double beam bridge crane control room has three different types : open type, closed type and heat prevention type. 
2. Double beam bridge crane control room platform has three types : side entry points, the end and the top three.
3. H.Add height to cart buffer.
4. Double beam bridge has indoor, indoor two kinds.When you order it should indicate the highest and lowest temperature of the working environment and kinds of power supply and other technical requirements.
5. Increase the overload limiter, large screen display, and various protection devices, to further increase the safety in the use process.
6. Double beam bridge crane is generally used in air operation way, he and the other to hold crane is different.
Air electric double beam bridge crane
Air operation is that there has a separate small operation room below the crane beam, and the ground operation is operating personnel with remote control.

Double beam bridge crane is mainly composed of bridge, crane travelling mechanism, trolley, electrical equipment, etc. Depending on how often was used, divided into the A5, A6, A7 three working level. 

Lifting weight: 5 ~ 10 tons and tons of 16/3.2 ~ 50/10, 75/20 ~ 100/20 tons and tons of tons of 125/30 ~ 250/50, 100/32, 300/40 tons, 350/75 tons, 400/80 tons, 600/150 tons
Span: 10.5 ~ 31.5 meters,

Lifting height: 13 ~ 31 meters.

Drawing: 

 1- Lifting Mechanism
-open winch trolley combined with motor, gearbox, hydraulic brake, drum, hook, sheaves, coupling, brake drum etc.
-Rigid box type trolley frame
- Wound Rotor 3-phase asynchronous motor
- Harden Teeth Gearbox
- hydraulic Drum Brake
-Plate-rolled Drum kits
  

2-End Carriages
-Forged Flanged wheel
-Rigid welded box type beam
-compact layout
 

3-Griders
-2 main girders are welded box type
-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;
- Modula design
- Designed Deflection≤1/800 of span

4-Control
-Cabin control
-Independent pendent control as option
-Wireless control as option

5-Electric Part
-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.

6-Painting
-corrosion protection through rust removal by mechanical shot blasting SA 2.5
-First layer of coating epoxy 30 microns
-Second layer of coating epoxy 30 microns
-Third Layer of coating of polyurethane 40 microns
-Average thickness: about 100 microns
-Color: yellow or Orange as per requirements

7-Safe Protection
-Emergency-off switch
-Overload protect
-Earth protection
-Zero Position Protection
-Cross travel and long travel protection
-Lifting travel protection
-Overheating protection of motor
-Equipped with rainproof devices
- Alarm Bell and Lamp

Xinxiang City, Henan Zhongyuan Hoisting Machinery Plant Co., Ltd. was established in 1985, it's crane manufacturer of the Ministry of Machinery Industry of China. Our Co.,Ltd is national grade two measure qualified department and we pass the ISO9001 international certification in 1999. The products are marketing in various industries of mine, building material, chemistry, electric  power , communications, railway, olifield and port, etc. We have complete set CAD computer aided design systerm and large datebase; it is capable to undertake the design, manufacture and product development of various special purpose products and non-standard products.

Business Scope: LD 1-20t electric single-beam hoisting series products;5-600t general purpose bridge, gantry, metallurgy, upper rotation, lower-rotation electromagnetic suspend, insulation,grab bucket, explosion prevention crane series products LH3-100t electric block dual-beam series products; MH5-32t electric block gantry crane series products; 0.5-40t CD1 wire rope electric block series products series products; HS1 0.5-20t manual block series products; 0.5-10t ring-chain electric block serious products, 0.5-40t bend electric block series products; assemble and unassembled bridge , shipbuilding gantry crane, bridging crane, casting suspend and water and electricity large tonnage crane. 

Packing:

1. Electrical parts and hoist are packed by strong plywood box or as client demand.  

2. Main beam, end beam, platform railing and others are packed in plastic woven cloth, to prevent corrosion in seawater.

In order to have a best solution, please tell us the detail requirements of yours.

The more details the better.  Thanks a lot.  

Your first choice for high efficiency work 

1.  30years crane manufacture experience—We set up at 1985.

2.   International standard indoor warehouse— we can delivery on time even bad weather

3.   Famous trademark “Yuqi” , and we also have many certificate of patent.

4.   Many senior crane design engineers, with fast and professional design.

5.   Crane installation and crane commissioning service supply 

Different type and special requirement can be customized.