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

Large bridge support base plate and connecting method thereof

A bridge bearing and connection method technology, applied in the direction of bridges, bridge parts, bridge construction, etc., can solve the problems of post-weld stress of bearing backing plate deformation, affecting the safety of bridge use, connection weld cracking and other problems, to eliminate welding Stress, avoid welding stress, improve the effect of service life

Pending Publication Date: 2020-08-04
CHINA RAILWAY BAOJI BRIDGE GRP +1
View PDF0 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Aiming at the problems existing in the prior art that the support backing plate is deformed (bulging in the middle) and the stress after welding is relatively large, cracking of the connection weld may occur under the action of the vertical load and horizontal load of the bridge, which affects the safety of the bridge. The present invention Provided is a large bridge support backing plate and its connection method, which can effectively solve the problems existing in the prior art, ensure the installation accuracy and force safety of the super large support backing plate, and improve the service life and operation safety of the bridge

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
  • Large bridge support base plate and connecting method thereof
  • Large bridge support base plate and connecting method thereof
  • Large bridge support base plate and connecting method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] Such as figure 1 , 2 As shown, the backing plate of the large-scale bridge bearing of the present invention is installed on the bottom of the steel beam bottom plate 5 of the bridge and includes a backing plate body 1; the backing plate body 1 is a rectangular plate-shaped structure and a plurality of countersunk bolt holes are evenly opened in the middle region 2. A plurality of high-strength bolts 3 are matched and installed in a plurality of countersunk head bolt holes 2, and connecting welds 4 are fixed to the bridge support on the four sides in the circumferential direction.

[0042] Such as image 3 , 4 As shown, the connection method of the large bridge bearing backing plate of the present invention is suitable for the connection of the large bridge bearing backing plate and the control of the connection accuracy. First, the middle part of the bearing backing plate 1 is equipped with a countersunk head bolt hole 2 The bolt 3 is assembled and connected with the...

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 relates to a large bridge support base plate and a connecting method thereof. The base plate is installed at the bottom of the steel beam bottom plate of a bridge and comprises a base plate body. Countersunk bolt holes are evenly formed in the middle area of the base plate body, and connecting weld joints welded and fixed to the steel beam bottom plate are arranged on the four sidesin the circumferential direction. The base plate body is installed at the bottom of the steel beam bottom plate in a matched mode through the countersunk bolt holes and countersunk bolts and is weldedand fixed to the bottom of the steel beam bottom plate through the connecting weld joints. The connecting method comprises the following steps: (1) controlling the connecting precision of the supportbase plate; (2) eliminating the welding stress of the support base plate; and (3) controlling the deformation of the support base plate. The problems existing in the prior art can be effectively solved, the mounting precision and stress safety of the ultra-large support base plate are guaranteed, the service life of a bridge is prolonged, and operation safety is improved.

Description

technical field [0001] The invention relates to the technical field of bridge manufacturing, in particular to a large-scale bridge support backing plate and a connection method thereof. Background technique [0002] The structure of the steel bridge bearing part is the most critical part of the bridge force and the most complex structure, and it is also one of the key parts of the bridge prone to disease. The connection between the backing plate of the steel bridge support and the steel bridge is mostly connected by fillet welds around the backing plate. For small and medium-sized bridges, the vertical load of the support is relatively small, and the size of the backing plate of the support is also small. This connection method It will not cause quality defects, but for large bridges with tens of thousands of tons of steel, the support can bear a vertical load of more than 10,000 tons. If the cantilever is used to erect, considering the counterweight and construction load, t...

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 Applications(China)
IPC IPC(8): E01D19/04E01D21/00
CPCE01D19/04E01D21/00
Inventor 常彦虎朱新华吴江波李鹏博化苏文金龙君杨波龙
Owner CHINA RAILWAY BAOJI BRIDGE GRP
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

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com