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A kind of jacking device and jacking method for construction of continuous beam erection

A jacking device and jacking technology, applied in the erection/assembly of bridges, bridge construction, bridges, etc., can solve the problems of large amount of jacks, difficult synchronization of jack actions, complicated jacking process, etc. Simple jacking method, easy installation and operation

Active Publication Date: 2016-11-02
CHINA RAILWAY FIRST GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the actual construction process, the above-mentioned walking jacking device has problems such as the large amount of jacks used, the complicated jacking process, and the difficulty in realizing the synchronization of all jacks.

Method used

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  • A kind of jacking device and jacking method for construction of continuous beam erection
  • A kind of jacking device and jacking method for construction of continuous beam erection
  • A kind of jacking device and jacking method for construction of continuous beam erection

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Embodiment Construction

[0068] Such as figure 1 A pushing device for continuous beam erection construction shown includes M beam pushing mechanisms that simultaneously push the beam body 1 to be pushed horizontally and n groups of beam body pushing mechanisms that simultaneously lift the beam body 1 to be pushed. As for the vertical jacking mechanism, the structures of the M beam body jacking mechanisms are the same and they are all arranged on the same plane, wherein M is a positive integer and M≥2. The beam body 1 to be pushed is a continuous beam erected on N permanent piers 2, and the N permanent piers 2 are arranged from front to back along the circumferential direction and are all arranged on the same arc line C , where N is a positive integer and N≥M. The M beam body pushing mechanisms are respectively arranged on the pier tops of the M permanent pier 2, and the permanent pier 2 provided with the beam body pushing mechanism on the pier top is a horizontal pushing pier. The n groups of vertic...

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PUM

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Abstract

The invention discloses a jacking device for the construction of continuous beam erection, which comprises M beam body jacking mechanisms for horizontally jacking the beam body to be pushed synchronously and n sets of synchronous jacking up of the beam body to be pushed The vertical jacking mechanism of the vertical jacking mechanism, the beam body to be pushed is a continuous beam erected on N permanent piers, and the N permanent piers are arranged on the same arc line C along the circumferential direction, and each beam body jacking mechanism is It includes two horizontal pushing and sliding mechanisms arranged along the tangential direction of the arc line C and two correction mechanisms for adjusting the pushing directions of the two horizontal pushing and sliding mechanisms from left to right. The device has a simple structure and The design is reasonable, the use is simple, the pushing process is safe and reliable, and the use effect is good. At the same time, it also discloses a method of jacking for construction of continuous beam erection, which includes steps: 1. Preparation work before jacking; And it is convenient to implement, and the pushing process is easy to control.

Description

technical field [0001] The invention belongs to the technical field of bridge erection construction, and in particular relates to a jacking device and a jacking method for continuous beam erection construction. Background technique [0002] Continuous beams refer to beams with three or more supports. Continuous beams have intermediate supports. The deformation and internal force of continuous beams are usually smaller than those of single-span beams, and they are widely used in practice. Nowadays, during the erection of continuous beams, when the erected continuous beams are jacked up, most of the jacking devices used are dragged by steel beams or concrete beams are poured section by section and then pushed section by section. In addition, there is a walking multi-point pushing device. However, when pushing a continuous beam with a long beam body and a large self-heavy weight, there are many problems in the existing pushing device. For example, when pushing a continuous be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 朱汝威孙书深童燕良侯园旗赵锋王永刚
Owner CHINA RAILWAY FIRST GRP CO LTD
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