Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Simple and fast method and device for installing adjacent cover girder top box girder with a pier-span gantry crane

A pier gantry crane and cover beam technology is applied in the field of simple and fast installation of adjacent cover beam top box beams with one span pier gantry crane, which can solve the problems of unsecured safety, high cost, slow progress, etc., and achieves low construction cost. , The construction cost is reduced, and the construction quality is good.

Active Publication Date: 2018-07-24
NO 1 ENG CO LTD OF FHEC OF CCCC
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the 30m box girder erecting machine has not been erected from the first span to the eighth (25th) span, generally two 200T truck cranes are used to install the left box girder, but this method has slow progress and high cost Higher, no security guarantee and many other disadvantages

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Simple and fast method and device for installing adjacent cover girder top box girder with a pier-span gantry crane
  • Simple and fast method and device for installing adjacent cover girder top box girder with a pier-span gantry crane
  • Simple and fast method and device for installing adjacent cover girder top box girder with a pier-span gantry crane

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] Such as Figure 1 to Figure 5 As shown, a simple and quick method of installing a box girder on top of an adjacent cover girder with a pier-span gantry crane. Including the following steps:

[0036] (1) According to the ground conditions of the design line, determine the erection route of the cross-pier gantry crane. The erection route of the cross-pier gantry crane should avoid swamps, low-lying areas, weak water stable layers and soft ground. The cross-pier gantry crane is made up of gantry crane bracket 9, gantry crane traversing beam 3, crane 2 and suspension cable 6, and the lower end of gantry crane bracket is provided with gantry crane wheel 10, and the gantry crane wheel is positioned on the gantry crane track 11. The upper ends of the two gantry crane brackets support the two ends of the gantry traversing suspension beam, and the cranes are located on the gantry suspension beam. The gantry crane track is constructed longitudinally along the line, and the gant...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to a simple and rapid method and device for mounting a box girder at the top of an adjacent bent cap by using a span pier gantry crane. The method comprises the following steps of mounting extended sections at two side ends or one side end of a gantry transverse moving hanging beam of the span pier gantry crane, wherein the lengths of the extended section cover an upper space at one corresponding side end of the adjacent bent cap; laying a sleeper and a track or a raceway on the top surface of the adjacent bent cap; enabling the crane to place an adjacent box girder on a mobile track car or a mobile plate on the top surface of the adjacent bent cap; enabling a hydraulic jack to transversely move each adjacent box girder to a corresponding position on the adjacent bent cap in a simultaneous manner; jacking up two ends of each adjacent box girder by using a hand operated hydraulic jack; and withdrawing the mobile track car, the track and the sleeper. A support is mounted at the lower end of each adjacent box girder to finish the mounting of each adjacent box girder. As the box girder at the top of the adjacent bent cap can be mounted by using one span pier gantry crane, the simple and rapid method and device for mounting the box girder at the top of the adjacent bent cap by using the span pier gantry crane have the advantages of simple and available method and device, high construction speed, time-saving and labor-saving property, low construction cost, good construction quality, good safety and good use effect.

Description

technical field [0001] The invention belongs to a simple and fast method and device for installing a box girder topped by an adjacent cover girder with a pier-span gantry crane. Background technique [0002] During the construction of roads, railways or bridge sections, some areas are not suitable for laying box girders on top of cover beams with bridge erecting machines. However, the cross-pier gantry crane has a wide range of applications, low construction cost and high speed. However, the cross-pier gantry crane can only hoist and lay the box girder at the lower end, and the laying surface is narrow. For example: the Jinghe Super Bridge on the East Road of Jinghe Xincheng County, Xixian New District has a total length of 1303 meters and a total of 36 spans, of which the third link (9-11 spans), the seventh and eighth links (26-33 spans) use a 50m span , and the rest adopt 30m span. In order to ensure the simultaneous construction of the installation of the 30-meter box...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 马宏宇闫启金王少松耿嘉启王蕾
Owner NO 1 ENG CO LTD OF FHEC OF CCCC
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products