900 ton erection girder railway launching girder manufacturer for precast installation

Product Description

900 ton erection girder railway launching girder manufacturer is generally used in the erection of the Highway Bridge and Subway Bridge, using the precast segmental prestress concrete box beam (PC beam) assembly. The main feature is the high efficiency of construction and self-traveling. Generally it is composed of the main beam, leg and winch trolley, the main girder is used for bearing, the leg is to execute machine transverse moving, longitudinal moving, leveling, support, cross span, cross scale and other functions, and the winch trolley used for lifting the precast girder.

Packing

1. Electric parts are packed by high quality plywood crate, to reduce distortion in conveying;

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

 

Delivery

1.If the size of 900 ton erection girder railway launching girder manufacturer are suitable for container ship, usually by container;
2.If the size is too big, usually by bulk ship or by container after truncation; Transport ways are based on reducing cost for you and keep the crane performance.

 

Delivery time

Within 30 to 40 working days after the receipt of deposit.

 

Transportation

Generally 35 days to 50 days to destination port.

 

FAQ

1.What’s the information should I provide when inquiry about the 900 ton erection girder railway launching girder manufacturer?
a .we need the Bridge Drawing;the Maximum longitudinal slope and the Maximum Transverse slope;
b. The Girder/beam drawing; 

2.How many Personnel and equipment to assemble launching gantry in the worksite we need?
Personnel: 8 to 10 workers equipment: 
Truck crane>50t :2 sets
Φ19.5 steel wire rope 8m:4 ropes
Sleepers:several
Electric welding machine:1set
Oxygen, acetylene:1 set
Hammer(12pound and 8pound):1 set for each
Wrench and pincher:several

Gradienter:1set                                           
3.What are inspection standard for load test of 900 ton erection girder railway launching girder manufacturer?
a. Dynamic load test
1.1 times rated load, main girder does not down deflection, all mechanisms work well, performance parameters meet the design demand, all limit switches and safety protection interlock devices are reliable, all spare parts does not have cracking and flexible connection, all motors and contactors are not overhead.
b. Static load test
1.25times rated load, all mechanisms work well, the crane stops 20min to 30min as trial load is lifted 10cm high, then measure main girder down deflection(theodolite, ruler). Put down trial load to measure main girder upper camber, repeat 3 times, steel structure does not have permanent deformation.
4.How to make highway bridge concrete girders?
a.Full span prefabrication,
b.Segment girder prefabrication
c. Full span cast in place girder
d. Segment cast in situ
5.How about maintenance of 900 ton erection girder railway launching girder manufacturer?
a. Lubricating. b. Steel wire rope. c. Spreader  d. Pulley blocke.Wheels  f. Brake



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