CN112482207A - Noise reduction and earthquake resistance method for bridge - Google Patents
Noise reduction and earthquake resistance method for bridge Download PDFInfo
- Publication number
- CN112482207A CN112482207A CN202011179839.8A CN202011179839A CN112482207A CN 112482207 A CN112482207 A CN 112482207A CN 202011179839 A CN202011179839 A CN 202011179839A CN 112482207 A CN112482207 A CN 112482207A
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- China
- Prior art keywords
- plate
- sliding
- bridge
- movable
- transverse displacement
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/40—Plastics
Abstract
The invention discloses a noise reduction and earthquake resistance method for a bridge, wherein a multidirectional shifting comb plate type telescopic device consisting of unit structures is used, each unit structure comprises a fixed toothed plate and a movable toothed plate, and when the bridge structure longitudinally shifts, the front part of the movable toothed plate is provided with a pressing connecting mechanism and a sliding box, so that the requirement of longitudinal displacement of the telescopic device is met, the stress state of the toothed end of the movable toothed plate is improved, a lever structure is avoided, and the stress of a bolt at the fixed end is reduced; when the transverse displacement or rotation occurs, the rear part of the movable toothed plate is provided with a special anchoring device and a transverse displacement assembly, and the transverse displacement and rotation requirements are realized by utilizing the elasticity and the transverse clearance of the pressing block.
Description
Technical Field
The invention belongs to the technical field of bridge engineering, and particularly relates to a noise reduction and earthquake resistance method for a bridge.
Background
The comb plate type bridge expansion device used for the highway bridge is developed by improvement on the basis of the traditional zigzag expansion joint, is of a modular structure and consists of a plurality of groups of standard modules and accessories. The standard module mainly comprises a movable comb plate (a seam crossing plate), a fixed comb plate and a multidirectional shifting hinge, and the modules are mutually independent. The accessories comprise stainless steel sliding plates, rubber water stops, anchoring bolts and the like. The movable comb plate is in a crossing type and is connected with the bridge floor at one end of the bridge by a connecting anchor bolt; the fixed tooth plate is anchored on the bridge floor at the other end, the bottom forms a sliding surface by a stainless steel plate, and the movable tooth plate and the fixed tooth plate form male and female comb teeth to meet the bearing and stretching requirements of the bridge. The comb plate expansion device is more and more widely applied to domestic highway bridges by virtue of the advantages of shallow mounting depth, good surface smoothness, comfortable driving and the like. However, in long-term practical application, the comb plate type telescopic device generally has the defects of broken teeth, steel plate falling, anchor bolt breakage and the like. The reason for the disease generation is analyzed, mainly because the movable plate is fixed on one side, the movable end is free of restraint, a lever stress structure is formed in the using process, and the connecting nut is easy to shear and loosen under the action of vehicle impact load. In addition, the transverse displacement and the vertical displacement are limited, the true multidirectional displacement cannot be realized, the elastic support at the lower part of the movable plate is insufficient, and the noise is large.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a bridge noise reduction and earthquake resistance method using a multidirectional shifting comb plate type expansion device.
The technical scheme is as follows:
the utility model provides an antidetonation method of making an uproar falls in bridge uses multidirectional broach formula telescoping device that shifts, multidirectional broach formula telescoping device that shifts comprises cellular structure, and every cellular structure includes fixed tooth plate and movable tooth plate two parts, wherein: when the bridge structure generates longitudinal displacement, the front part of the movable toothed plate is provided with a pressing connection mechanism and a sliding box, so that the requirement of longitudinal displacement of the telescopic device is met, and the stress state of the toothed end of the movable plate is improved so as to avoid forming a lever structure and reduce the stress of a bolt at the fixed end; when the transverse displacement or rotation occurs, the rear part of the movable toothed plate is provided with an anchoring device and a transverse displacement assembly so as to realize the requirements of transverse displacement and rotation by utilizing the elasticity and the transverse clearance of the pressing block.
Furthermore, in the noise-reducing and anti-seismic multidirectional shifting comb plate type telescopic device, the movable toothed plate is of a crossing cantilever structure, crosses the joint of two adjacent beam plates of the bridge, and the rear end of the movable toothed plate is fixedly connected with the sliding stainless steel plate, the transverse displacement assembly and the bridge below through anchor bolts; the transverse displacement assembly consists of a transverse displacement box, a sliding support and a sliding stainless steel plate so as to realize vertical noise reduction, seismic resistance and transverse displacement; the front end of the movable toothed plate is a sliding toothed end which is meshed with the fixed toothed plate in a crossed manner, a sliding stainless steel plate is arranged below the movable toothed plate, a transverse sliding box is arranged below the sliding stainless steel plate, and a pressing sliding block and a pressing plate are arranged in the transverse sliding box and are fixedly connected through a hexagon bolt; the fixed toothed plate is fixedly connected with the bridge floor through foundation bolts.
Further, compress tightly the stainless steel face that sliding block upper portion was tetrafluoro plate and lateral displacement case top surface and form the glide plane, seted up the sliding groove mouth on the stainless steel plate of adjustable tooth plate below and the roof of lateral displacement case, the notch is located the adjustable tooth below all the time for prevent that water and debris from falling into the compression displacement case in the course of the work.
The invention has the beneficial technical effects that:
1) when the bridge structure is influenced by materials and temperature and longitudinal displacement occurs, the telescopic device provided by the invention has the advantages that the pressing connection mechanism and the sliding box are arranged at the front part of the movable toothed plate, the requirement on the longitudinal displacement of the telescopic device is realized, the stress state of the toothed end of the movable plate can be improved, the lever structure is avoided, the stress of a bolt at the fixed end is reduced, and the service life of the expansion joint of the comb-shaped plate is greatly prolonged.
2) When the bridge structure is influenced by external force or uncontrollable factors to generate transverse displacement or rotation, the telescopic device provided by the invention can realize the transverse displacement and rotation requirements of the telescopic device by arranging the special anchoring device and the transverse displacement assembly at the rear part of the movable toothed plate and utilizing the elasticity and the transverse clearance of the pressing block, thereby really meeting the multidirectional displacement requirement of the bridge.
Drawings
FIG. 1 is a schematic cross-sectional view of a noise-reducing and shock-resistant multi-directional shifting comb plate type telescopic device;
FIG. 2 is a top view of a noise-reducing and shock-resistant multi-directional shifting comb plate type telescopic device;
description of reference numerals:
1-special anchoring bolt, 2-transverse displacement assembly, 3-first sliding stainless steel plate, 4-second sliding stainless steel plate, 5-transverse displacement box, 6-first hexagonal bolt, 7-pressing block, 8-pressing plate, 9-second hexagonal bolt, 10-movable toothed plate and 11-fixed toothed plate.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the noise reduction and earthquake resistance method of a bridge according to the present invention in detail with reference to the following embodiments. The following examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
Example 1
The utility model provides an antidetonation method of making an uproar falls in bridge uses multidirectional broach formula telescoping device that shifts, multidirectional broach formula telescoping device that shifts comprises cellular structure, and every cellular structure includes fixed tooth plate and movable tooth plate two parts, wherein: when the bridge structure generates longitudinal displacement, the front part of the movable toothed plate is provided with a pressing connection mechanism and a sliding box, so that the requirement of longitudinal displacement of the telescopic device is met, and the stress state of the toothed end of the movable plate is improved so as to avoid forming a lever structure and reduce the stress of a bolt at the fixed end; when the transverse displacement or rotation occurs, the rear part of the movable toothed plate is provided with an anchoring device and a transverse displacement assembly so as to realize the requirements of transverse displacement and rotation by utilizing the elasticity and the transverse clearance of the pressing block.
As shown in fig. 1, the noise-reducing anti-seismic multidirectional displacement comb plate type expansion device is of a crossing type cantilever structure formed by a movable tooth plate 10, crosses the joint of two adjacent beam plates of a bridge, and is fixedly connected at the rear end with a first sliding stainless steel plate 3, a transverse displacement assembly 2 and the bridge below the tooth plate through special anchor bolts. Lateral displacement subassembly 2 mainly comprises lateral displacement case 5, sliding support, corrosion resistant plate, plays the vertical effect of making an uproar antidetonation and lateral displacement of falling, and the front end is the slip tooth end, with 11 cross meshing of fixed tooth plate, and the movable tooth plate 10 below is the second stainless steel plate 4 that slides, and the corrosion resistant plate below is equipped with the lateral displacement case, lateral displacement incasement design compact heap 7 and clamp plate 8 to through 6 fixed connection of first hexagon bolt.
Principle of implementation
A sliding stainless steel plate 3 is arranged below the rear end of the movable toothed plate 10, a transverse displacement box 2 is arranged below the stainless steel plate, the rear end of the movable toothed plate and a transverse displacement assembly are tightly pressed on a sliding surface by a special bolt 1, a polytetrafluoroethylene plate and a stainless steel surface on the top surface of the transverse displacement box form a sliding surface at the upper part of a pressing sliding block, and sliding notches are formed in the stainless steel plate 3 below the toothed plate and a top plate of the transverse displacement box 2; the stainless steel plate 4 that slides is equipped with below the activity pinion rack 10, and the stainless steel plate below is equipped with slip case 5, compresses tightly the activity pinion rack on the glide plane through compressing tightly sliding block 7, first hexagon bolt 6, compresses tightly sliding block upper portion and is the stainless steel face formation glide plane of tetrafluoro plate and 5 top surfaces of slip case, and it has the sliding groove mouth to open on stainless steel plate 4 and the 5 roof of slip case of pinion rack below.
The bridge structures receive material and temperature influence, and when taking place longitudinal displacement, the telescoping device is through setting up at the pinion rack 10 (big pinion rack) front portion and pressing coupling mechanism and the case that slides, and the requirement of the longitudinal displacement of telescoping device can be realized to the fly leaf, can improve fly leaf tooth end stress state again, avoids forming lever structure, alleviates the atress of stiff end bolt, has improved comb type board expansion joint life greatly.
When the bridge structure is influenced by external force or uncontrollable factors to generate transverse displacement or rotation, the telescopic device can realize the transverse displacement and rotation requirements of the telescopic device by arranging the special anchoring device and the transverse displacement assembly at the rear part of the movable toothed plate 10 (the large toothed plate) and utilizing the elasticity and the transverse clearance of the pressing block, thereby really meeting the multidirectional displacement requirements of the bridge.
The present invention is not limited to the above-described examples, and various changes can be made without departing from the spirit and scope of the present invention within the knowledge of those skilled in the art.
Claims (3)
1. The utility model provides an antidetonation method of making an uproar falls in bridge which characterized in that uses multidirectional broach formula telescoping device that shifts, multidirectional broach formula telescoping device that shifts comprises cellular structure, and every cellular structure includes fixed tooth plate and movable tooth plate two parts, wherein: when the bridge structure generates longitudinal displacement, the front part of the movable toothed plate is provided with a pressing connection mechanism and a sliding box, so that the requirement of longitudinal displacement of the telescopic device is met, and the stress state of the toothed end of the movable plate is improved so as to avoid forming a lever structure and reduce the stress of a bolt at the fixed end; when the transverse displacement or rotation occurs, the rear part of the movable toothed plate is provided with an anchoring device and a transverse displacement assembly so as to realize the requirements of transverse displacement and rotation by utilizing the elasticity and the transverse clearance of the pressing block.
2. The noise-reducing and earthquake-resisting method for the bridge according to claim 1, wherein the movable toothed plate is of a crossing type cantilever structure, the joint of two adjacent beam plates of the bridge is crossed, and the rear end of the movable toothed plate is fixedly connected with the sliding stainless steel plate, the transverse displacement assembly and the bridge below through anchor bolts; the transverse displacement assembly consists of a transverse displacement box, a sliding support and a sliding stainless steel plate so as to realize vertical noise reduction, seismic resistance and transverse displacement; the front end of the movable toothed plate is a sliding toothed end which is meshed with the fixed toothed plate in a crossed manner, a sliding stainless steel plate is arranged below the movable toothed plate, a transverse sliding box is arranged below the sliding stainless steel plate, and a pressing sliding block and a pressing plate are arranged in the transverse sliding box and are fixedly connected through a hexagon bolt; the fixed toothed plate is fixedly connected with the bridge floor through foundation bolts.
3. The noise-reducing and earthquake-resisting method for the bridge according to claim 2, wherein the upper part of the compression sliding block is a sliding surface formed by a polytetrafluoroethylene plate and a sliding stainless steel surface of the top surface of the transverse displacement box, sliding notches are formed in the sliding stainless steel plate below the movable toothed plate and the top plate of the transverse displacement box, and the notches are always located below the movable teeth and used for preventing water and sundries from falling into the compression displacement box in the working process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011179839.8A CN112482207A (en) | 2020-10-29 | 2020-10-29 | Noise reduction and earthquake resistance method for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011179839.8A CN112482207A (en) | 2020-10-29 | 2020-10-29 | Noise reduction and earthquake resistance method for bridge |
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| Publication Number | Publication Date |
|---|---|
| CN112482207A true CN112482207A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011179839.8A Pending CN112482207A (en) | 2020-10-29 | 2020-10-29 | Noise reduction and earthquake resistance method for bridge |
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| CN (1) | CN112482207A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006131051A1 (en) * | 2005-06-05 | 2006-12-14 | Bin Xu | A module type comb-shaped bridge expansion joint device for resisting a super dislocation |
| CN102767136A (en) * | 2012-08-15 | 2012-11-07 | 上海汇城建筑装饰有限公司 | Anti-seismic small deformation expansion device of comb plate |
| CN202809482U (en) * | 2012-07-27 | 2013-03-20 | 柳州东方工程橡胶制品有限公司 | Large-displacement prestressed multi-directional-displacement expansion device |
| CN205116002U (en) * | 2015-11-03 | 2016-03-30 | 上海汇城建筑装饰有限公司 | Six to shift comb pinion rack telescoping device |
| CN106996079A (en) * | 2017-05-23 | 2017-08-01 | 成都市新筑路桥机械股份有限公司 | The board-like retractor device of new antivibration noise abatement multi-directional deflection broach and its installation method |
| CN207109578U (en) * | 2017-07-25 | 2018-03-16 | 上海通亿橡塑制品有限公司 | A kind of double skeleton symbol multi-directional deflection fishback retractor devices |
| CN207484282U (en) * | 2017-11-21 | 2018-06-12 | 玛格巴（上海）桥梁构件有限公司 | A kind of comb teeth shape bridge extension joint of multi-directional deflection |
-
2020
- 2020-10-29 CN CN202011179839.8A patent/CN112482207A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006131051A1 (en) * | 2005-06-05 | 2006-12-14 | Bin Xu | A module type comb-shaped bridge expansion joint device for resisting a super dislocation |
| CN202809482U (en) * | 2012-07-27 | 2013-03-20 | 柳州东方工程橡胶制品有限公司 | Large-displacement prestressed multi-directional-displacement expansion device |
| CN102767136A (en) * | 2012-08-15 | 2012-11-07 | 上海汇城建筑装饰有限公司 | Anti-seismic small deformation expansion device of comb plate |
| CN205116002U (en) * | 2015-11-03 | 2016-03-30 | 上海汇城建筑装饰有限公司 | Six to shift comb pinion rack telescoping device |
| CN106996079A (en) * | 2017-05-23 | 2017-08-01 | 成都市新筑路桥机械股份有限公司 | The board-like retractor device of new antivibration noise abatement multi-directional deflection broach and its installation method |
| CN207109578U (en) * | 2017-07-25 | 2018-03-16 | 上海通亿橡塑制品有限公司 | A kind of double skeleton symbol multi-directional deflection fishback retractor devices |
| CN207484282U (en) * | 2017-11-21 | 2018-06-12 | 玛格巴（上海）桥梁构件有限公司 | A kind of comb teeth shape bridge extension joint of multi-directional deflection |
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