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Customized gantry girder construction underslung movable scaffolding system

Product Description

Both the overhead and the underslung MSS consist of a self supporting structure combined with a project specific exterior formwork. The gantry girder construction underslung movable scaffolding system is easily adaptable to cross sections ranging from double T to single box and span lengths from 20m to 70m.

The development of our gantry girder construction underslung movable scaffolding system over the years, stems from the need to reduce the high costs of construction manpower in China. Today, our MSS for cast-in-situ bridges can offer many cost-saving advantages to your bridge construction projects, through:

1. Optimized design
2. Ease of assembly
3. Efficient operationGantry girder construction underslung movable scaffolding system has all the advantages similar to its over head model, except that it gives additional users friendly feature by providing a clear space above the formwork. Gantry girder construction underslung movable scaffolding system is very useful when the bridge designed with monotype of pier; which is normally the case when the bridge is crossing river.1. After concreting, curing and tensioning of cables, the Main Girders are lowered by the main jacks at the rear Suspension Gallow and on the front Pier Bracket.
2. The joints in the middle of the Transverse Beam system are released and the Main Girders are moved transversely into a position where the Transverse Beams can pass the piers.

3. The MSS is ready for launching. The launching operation to the next concreting position is to be carried out. The two Main Girders are moved independently to the next span.
4. During the launching operation, the Suspension Gallow is moved to its next position.

5. The two girders are moved transversely and joined in the middle of the Transverse Beam system.6. The Main Girders are raised to the concreting position by the Main Jacks.

7. Adjusting the formwork by means of the screw jacks and the adjustable supports.

8. For box girder bridges: After placing the reinforcement and tendons of the bottom slab and webs, the Internal Formwork is moved to its next position.

9. When placing of reinforcement and tendons is finished, the MSS is ready for concreting of the next span of the superstructure.

10. During the concreting period, the rear pair of Pier Brackets are dismounted, moved to the next front pier and re-installed.

Safety Features

Erector integrates security monitor by the host with dynamic display (built-in braking control), crown longitudinal displacement sensor, the transverse displacement sensor, crown height, crown lifting weight sensor, speed sensor, vertical stroke sensor machine, the machine horizontal stroke sensor, level sensor, verticality sensors, wireless communication module, etc, can be settled real-time acquisition and display the running state.

Our Service

1. Test before shipment.

2. Installment service.
3. 1 years spare-parts provided for better maintenance.
4. Delivery with English user manual, product certification and other relevant certificates.
5. Technical advisory for any time.

Our Company

Henan Huada Heavy Crane Group is a big enterprise specialized in researching, developing, producing and exporting.


It mainly produces launching gantry crane, overhead crane and gantry crane, gantry girder construction underslung movable scaffolding system, beam launcher, movable scaffolding system crane, form traveller, straddle carrier, tyre transportor, beam trolley, portal crane and electric winch, electric hoist and all kinds of accessories, which widly cover machinery, metallurgy, electric power, railway, water conservancy, ports, terminals and other industries.


Huada Heavy Crane Group have more than 600 stuff, and covers 200,000 square meters.

Our advantages:
1. More than 50 R&D personnels with advanced Science and technology
2. More than 400 sets advanced Production processing equipment and inspection equipment
3. Independent intellectual property rights to develop energy saving bridge cranes, gantry cranes, and electric hoist
4. Obtain ISO 9001 certificate and more than 10 series of patent certificates
5. Efficient service and competitive products
6. Export more than 100 countries

Our Advantages

▪ An innovative design team to assure customized crane solution.
▪ We are the professional manufacturer to design,product,sale beam launcher,launching gantry,gantry carne and so on.
▪ Changyuan County is Chinese crane-town & also our hometown.

Packing & Delivery

Packing:

1. Electric parts of gantry girder construction underslung movable scaffolding systemare packed by high quality plywood crate, to reduce distortion in conveying;

2. Main beams, end beams and electric winch are packed by plastic woven cloth. It can reduce abrasion when transport.

Delivery:

1. If the size of whole crane are suitable for container ship, usually by container;

2. If the size is too big, usually by bulk ship or by container after truncation;

3. Transport ways are based on reducing cost for you and keep the crane performance!



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