Pushing device used for mounting elevated frames and bridges and pushing method of pushing device

A jacking device and jacking technology, applied in the erection/assembly of bridges, bridges, bridge maintenance, etc., can solve the problems of high cost, low safety factor and low construction efficiency, and achieve the effect of avoiding the impact

Active Publication Date: 2014-07-16
SHANGHAI MECHANIZED CONSTR GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention provides a jacking device and a jacking method for installation of viaducts and bridges, so as to solve the problems in the prior art that the cost of the jacking device is too high and the safety factor and construction efficiency are low

Method used

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  • Pushing device used for mounting elevated frames and bridges and pushing method of pushing device
  • Pushing device used for mounting elevated frames and bridges and pushing method of pushing device

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Embodiment Construction

[0019] The pushing device and pushing method for installation of viaducts and bridges proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that the drawings are all in a very simplified form and use imprecise ratios, which are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0020] The core idea of ​​the present invention is to provide a jacking device and a jacking method for viaducts and bridge installations, which jack up the bridge box girder and make it move through the jacking unit and the jacking unit cycle, while the jacking unit When the pushing device is in use, it will not generate horizontal thrust on the permanent pier, which ensures the stability, safety and linearity of the bott...

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Abstract

The invention provides a pushing device used for mounting elevated frames and bridges and a pushing method of the pushing device. A bridge box girder is circularly jacked through a pushing unit and a jacking unit to move; when used, the pushing device does not permanently produce horizontal thrust on a pier, cost is reduced while smoothness, safety and linearity of the bottom of the bridge box girder in pushing the bridge box girder are guaranteed at the same time, and the affect of special landform conditions on the positions across the structure of the bridge box girder upon slide construction is effectively avoided.

Description

technical field [0001] The invention relates to the technical field of viaduct and bridge engineering construction, in particular to a jacking device and a jacking method for installing viaducts and bridges. Background technique [0002] In the current steel box bridge deck jacking construction technology, a group of lifting cylinders and a group of thrust cylinders are generally used to work together. Lift the bridge box girder through the lifting cylinder, push the bridge box girder through the thrust cylinder, and then lower it to the temporary support in the temporary fixing support device through the lifting cylinder after a certain distance, and use the temporary support to support the bridge box girder , and then continue to retract the lifting cylinder to separate it from the bridge box girder, and then retract the thrust cylinder. One stroke forward work. There are certain disadvantages in this construction method: First, due to the large tonnage of the bridge box...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00E01D22/00
Inventor 陈晓明潘令誉张宇俞嫒妍刘泉吴君史维王云飞许勇杨斌王佳玮王正佳程远程
Owner SHANGHAI MECHANIZED CONSTR GRP
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