Under-slung launching gantry

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Product Description:

Under-slung launchinggantry

Theloading-bearing main girder system is situated under the bridge, and outsidemould system sits on the loading-bearing main girder. The main girder systemsits on the platform by outrigger, which are anchored on the pier by the highprecision rolling thread steel. Outside mould template opens with the maingirder transversely or opens transversely singly to avoid the pier whilepassing through the hole. The outrigger can perform an auto forward flip or bythe auxiliary crane. Outside mould system can move longitudinally with maingirder. Its clearance under bridge is large and the height of the bridge pieris generally more than 4m, which has a stronger adaptability for high piers.

Performance and parameters

Applicable spanand girder weight 40m/1300t

Applicable heightof the bridge pier: 4m

Applicablelongitudinal gradient: 4%

Applicable curveradius: 1000m


Compared with:


Up-slung launching gantry


1) Double main girder andtwo-span structure, more secure, faster. Applicable to the low pier andclearance under bridge is not demanded. Simple construction, needless todismantle the main girder and outside mould parts;

2) Outside mould system opens and closes transversely,original design and ingenious conception;

3) Transverse movement and hoisting is propelled bythe power, easily and fast;

4) Lifting and opening, closing are controlled by thehydraulic pressure, with steady movement which is secure and reliable. Reducethe labor intensity and upgrade the construction efficiency;

5) All the legs can pass through the wholeautomatically and erect, reducing the investment of auxiliary equipments,reducing the construction cost.

Performance and parameters

Applicable longitudinal gradient: 2.0%
Applicable curve radius:
≥1500m
Requirements for environment wind pressure:

Maximum allowable wind pressure during shifting: 150N/

Maximum allowable wind pressure during casting: 800N/㎡ ( or to be anchored)
Total power by using the whole machine:About 95kw
Kinetic condition: 4Ac, 380v, 50Hz
Hydraulic system pressure: 32Mpa
Shift speed: 0-1.5m/min
Deflection of main girder: Less than L/700( only considering the deflectioncaused by the concrete loading and internal mould weight)

Via Hole Stability Factor: k>1.5
Transportation condition: meet the limits of railway and highwaytransportation.
Unit Weight: About 530t (without separated mould situated in the support)
Construction cycle: 10 days/span






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Q:Call for personal insurance, construction machinery insurance
Without the license, whether it belongs to the insurance exemption, I looked at the "Ping An, man - Shou" terms, as if there is no such article. It may be different for each company. The terms of the insurance shall prevail.
Q:Major in Mechanical Engineering
The following mechanical subdivision level two many subjects: pneumatic and hydraulic, electrical and electromagnetic, power drag, fluid machinery and fluid transport, metal heat processing of cold processing, material forming, heat treatment, surface treatment, mechanical processing and many such as car clamp milling grinding, EDM, and various special processing
Q:The difference between mechanical engineering and automation and electrical engineering
Mechanical engineering is mainly engaged in the design and structure of heavy industry, most of the work has a variety of craft, structure design, mechanical maintenance; electrical electronics, mainly motor, control, system of electricity, basically include, and MCU, power protection, such as the DSP working face is very wide, power plant, Design Institute Electrical, electronics manufacturing, technology development, technical support, technical sales;
Q:What kinds of construction machinery are needed for urban landscaping?
The main task of the Landscaping Management Department is to maintain the green space in the city and to undertake small-scale landscaping projects. Maintenance machinery includes: lawn mower, watering car, sprayer, shovel and so on. Landscape engineering is mainly earthwork, involving machinery: excavators, cranes and so on
Q:What kind of car engineering does that belong to? Is it traffic or machinery?
Vehicle engineering is a field of engineering technology that studies the theory, design and manufacture of mobile vehicles such as automobiles, tractors, rolling stock, military vehicles and other engineering vehicles. The master of engineering degree authorized units engaged in the training of vehicle research, design and development, manufacturing, quality inspection and control, use and maintenance, detection device and instrument development of advanced engineering and technical personnel.
Q:What are the total cost of the project?
The general construction cost includes (1) the cost of construction and installation, that is, the construction and construction costs. (2) purchase fees for equipment, equipment and equipment, such as elevators installed on the installation, transformers, industrial boilers and other equipment, depending on the nature of the project.
Q:The difference between energy-saving and other frequency station
The business model is now using online consignment line, under the city manager with the equipment model, and credit quality and even the ability to repay the buyer to provide armored financial services.
Q:What are the business scope of machinery and equipment enterprises?
The main products of the machinery industry include the following: Agricultural Machinery: tractors, seeding machines, harvesting machinery, etc.. Heavy duty mining machinery: metallurgical machinery, mining machinery, lifting machinery, handling machinery, industrial and mining vehicles, cement equipment.
Q:What kind of job is a mechanic in the end?
Mechanical engineer is a person who works in a mechanical engineering field and has some experience and level. Mechanical engineers are generally divided into three levels, Junior Mechanical Engineer, intermediate mechanical engineer, senior mechanical engineer. The mechanical engineer is usually referred to as the three level of mechanical engineers, mechanical engineers can also refer to the intermediate.
Q:What is the difference between the application and maintenance of construction machinery and the operation and maintenance of automobiles? What a promising future!
Construction machinery operation is not affected by the policy, the introduction of more stringent traffic laws will not have adverse effects. There is no need to pay any fees. Operational risk is significantly lower than the car. This is the outstanding advantage of construction machinery

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