01
March
The bridge girder launcher need to be installed after its manufacturing is finished, ...
28
February
Because of the structure and special requirements of road when walking, the bridge girder launcher for tunnel must be installed strictly. ...
27
February
Because of the structure and special requirements of road when walking, the bridge girder launcher for tunnel must be separated when carried. ...
27
February
Electric hoist of overhead crane is usually used in bridge construction, power, ship, building and tunnel etc. Therefore, the electric hoist of launching gantry plays an important role in maintenance. ...
10
January
ZZHZ should send technicians to train buyers’ workers after installing the moment limiter; on one hand the production for users won’t be affected for common failures of instrument, on the other hand the manufacturer can reduce cost. Users should master the follows as receiving training: ...
08
December
4,the lifting winch’s speed isn’t stable, and jump highly
Possible reason: lifting motor coder coupling loose or break
...
07
December
There are the common faults of bridge girder launcher are following:
1,there are cracks of lower lateral combination under No. 1 pillar
Possible reason: the speed of left and right telescopic hydro-cylinder isn’t same.
...
03
December
2.1 The Beijing-Shanghai high speed railway design provisional regulations railway construction letters [2003]13 ...
30
November
1. Good correction result, especially on harder crook;
2. Simple construction technology
...
29
November
The bridge girder laucnher, gantry crane and transporter belong to the large-scale duty machinery, they must be
installed according to the erecting priciple. ...
13
November
Lubrication plays a very important role in maintenance of bridge girder launcher, the quality of lubrication can decide its life and work efficiency. As a large-scale bridge building machine , its friction is bigger because its parts need to run. ...
08
November
We are always emphasize the important role of the maintenance of launching gantry, why does us have to maintain the bridge girder launcher? Maybe the users don’t know the reasons very clearly, so ZZHZ can explain the reason as follow: ...
07
November
Auxiliary push rod (front, middle): used in crossing piers process, help front and middle support legs to move longitudinally, adjust levelness of launching gantry main girder and bears part of weight of launching gantry. As hydraulic rods, auxiliary push rods are installed on fixed position of guide beam. ...
02
November
The bridge girder launcher is installed on the bridge head or roadbed with area length 100m x width 12m on the abutment which will be constructed. ...
01
November
Accessories are made up of main girder accessories, front support leg accessories, lifting trolley accessories, ...
23
October
Rear bracket of bridge girder launcher is made up of hanging institution, roller institution, inner sleeve, outer sleeve, hydraulic cylinder and pins, total weight about 4t. ...
27
September
Middle support leg is made up of hanging institution, roller institution, core plate, round girder, driving gearbox, driven gearbox, fixing device, transverse sliding rail and pins. ...
04
September
(4)The installation of the frequency converter of bridge girder launcher ...
03
September
All the sensors installation refers to the instructions. The specific requirements are as following: ...
31
August
Test run of motor of bridge girder launcher: after finishing connecting wire of electrical system, firstly confirm whether motor turns correctly, remove linkage connection for multi-machine linkage drive system, then confirm the motor turning direction with inching ...