CN104452581B - A kind of cantilever base spiral shell anchor formula comb plate stretching device - Google Patents
A kind of cantilever base spiral shell anchor formula comb plate stretching device Download PDFInfo
- Publication number
- CN104452581B CN104452581B CN201410768916.1A CN201410768916A CN104452581B CN 104452581 B CN104452581 B CN 104452581B CN 201410768916 A CN201410768916 A CN 201410768916A CN 104452581 B CN104452581 B CN 104452581B
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- China
- Prior art keywords
- plate
- tooth plate
- steel plate
- comb
- fixed tooth
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- Expired - Fee Related
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of cantilever base spiral shell anchor formula comb plate stretching device, comprise swing tooth plate and fixed tooth plate, dropproof steel plate is welded in swing tooth plate comb-tooth segments bottom surface, bottom surface, fixed tooth plate rear end composition backing, be characterized in that the bottom surface, rear end of swing tooth plate and fixed tooth plate is provided with bending resistant steel plate, the bending resistant steel plate of fixed tooth plate is provided with slippage bracket; Described fixed tooth plate intersects horizontal on dropproof steel plate mutually with the comb of swing tooth plate, and its swing tooth plate is fixedly connected with two anchoring base by bolt with fixed tooth plate rear end, and dropproof plate to be arranged on slippage bracket with slippage steel plate as being slidably connected.The present invention compared with prior art has assembling verification and completes in factory, decreases site work amount, improves installation quality and application life, accelerate the speed of in-site installation, maintenance and replacing.
Description
Technical field
The present invention relates to bridge expansion joint installation, specifically a kind of cantilever base spiral shell anchor formula comb plate stretching device.
Background technology
Comb plate stretching device on elevated bridge and speedway can be divided into freely-supported and cantilevered comb-shaped expansion device by mechanics form, structure has comb across seam and the comb junction of the edges of two sheets of paper point, connection has dividing of bolt anchoring and welding anchoring." SGF " cantilevered comb plate stretching device domestic is at present the cantilevered weld anchor fixing structure of the comb junction of the edges of two sheets of paper, Switzerland's mug(unit of measure) bar cantilevered comb plate stretching device is the cantilevered bolt anchoring structure of the comb junction of the edges of two sheets of paper, and French aluminium alloys cantilevered comb plate stretching device is the cantilevered bolt anchoring structure of the comb junction of the edges of two sheets of paper.The comb plate stretching device of external import, although the comb plate stretching device all than domestic such as work stressed effect, application life and installation rate is good, but, the price of inlet device is 2.5 times of domestic device price, and anti-dust performance extreme difference, rubbish incidental directly drops into waterstop from comb hollow joint, and debris accumulation blocks draining, waterstop also can be hindered time serious to be out of shape, until waterstop comes off.Domestic " SGF ", although the comb plate stretching device construction of cantilevered welding anchoring is simple, anchoring property is good, there is repair and replacement inconvenience, the shortcomings such as replacement cost is large.
The comb plate stretching device of prior art can not adapt to the needs of the development that China's speedway and urban elevated bridge are built, and also exists and installs that complexity, poor flatness, the sense of jumping car are obvious, the structural safety defects such as low and application life is short by force.
Summary of the invention
The object of the invention is a kind of cantilever base spiral shell anchor formula comb plate stretching device designed for the deficiencies in the prior art, adopt the braced structures of spiral shell anchor formula base, the assembling of in-site installation component and comb plate is verified complete in factory, site work amount greatly reduces, improve installation quality and application life, accelerate the speed of in-site installation, maintenance and replacing, preferably resolve that the field erected workload of comb plate stretching device is large, low precision and slow-footed difficulties.
Realizing concrete technical scheme of the present invention is: a kind of cantilever base spiral shell anchor formula comb plate stretching device, comprise swing tooth plate and fixed tooth plate, dropproof steel plate is welded in swing tooth plate comb-tooth segments bottom surface, bottom surface, fixed tooth plate rear end composition backing, be characterized in that the bottom surface, rear end of swing tooth plate and fixed tooth plate is provided with bending resistant steel plate, the bending resistant steel plate of swing tooth plate and swing tooth plate and dropproof steel plate are for welding, the bending resistant steel plate of fixed tooth plate is provided with slippage bracket, and bending resistant steel plate and fixed tooth plate, slippage bracket and backing plate are for welding; Described slippage bracket is made up of the slippage steel plate be arranged on several piece cantilever steel plate; Described fixed tooth plate intersects horizontal on dropproof steel plate mutually with the comb of swing tooth plate, its swing tooth plate and fixed tooth plate rear end are arranged on two anchoring base and are fixedly connected with two anchoring base by bolt, dropproof steel plate is arranged on slippage bracket, and dropproof steel plate and slippage steel plate are for being slidably connected; Described anchoring base is welded by several nut seat and anchor plate and angle steel.
Described swing tooth plate and fixed tooth plate rear end are provided with side shield.
The assembling verification that the present invention compared with prior art has in-site installation component can complete in factory, site work amount greatly reduces, improve installation quality and application life, accelerate the speed of in-site installation, maintenance and replacing, preferably resolve the field erected workload of comb plate stretching device large, low precision and slow-footed difficulties.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is Fig. 1 top view;
Fig. 3 is the invention process illustration.
Detailed description of the invention
Accompanying drawings 1 ~ accompanying drawing 2, the fixed tooth plate 2 of swing tooth plate 1 and bottom surface, rear end composition backing 12 that the present invention welds dropproof steel plate 3 by comb-tooth segments bottom surface forms, the bottom surface, rear end of described swing tooth plate 1 and fixed tooth plate 2 is provided with bending resistant steel plate 4, the bending resistant steel plate 4 of swing tooth plate 1 and swing tooth plate 1 and dropproof steel plate 3 are for welding, the bending resistant steel plate 4 of fixed tooth plate 2 is provided with slippage bracket 6, and bending resistant steel plate 4 and fixed tooth plate 2, slippage bracket 6 and backing plate 12 are for welding; Described slippage bracket 6 is made up of the slippage steel plate 13 be arranged on several piece cantilever steel plate 16; Described fixed tooth plate 2 and the comb of swing tooth plate 1 intersect horizontal mutually on dropproof steel plate 3, and its swing tooth plate 1 and fixed tooth plate 2 rear end are separately positioned on two anchoring base 21 and are fixedly connected with two anchoring base 21 by bolt 8; Described dropproof steel plate 3 is arranged on slippage bracket 6, and dropproof steel plate 3 and slippage steel plate 13 are for being slidably connected; Described anchoring base 21 is welded with angle steel 5 by several nut seat 7 and anchor plate 9; Described swing tooth plate 1 and fixed tooth plate 2 rear end are respectively equipped with side shield 14.
Accompanying drawings 3, the present invention can adopt assembled method or whole hanging method to carry out in-site installation.On-site consolidation method: the pre-assembled verification completing swing tooth plate 1 and fixed tooth plate 2 and two anchoring base 21 in factory, pre-assembled qualified rear disintegration, transports component to scene and installs.First with steel clamp plate 11, watertight rubber band 10 both sides are fixed on the end top of two beam bodies 15, then the shrinkage joint center line of beam body 15 is made, and make the length of swing tooth plate 1 and fixed tooth plate 2 comb juxtaposition according to temperature and increment gap relationships at that time, the center line of this overlap length should with shrinkage joint center superposition.Calculate the lengthwise position of two anchoring base 21 on beam body 15, then according to bridge floor longitudinal and transverse slope absolute altitude, the top mark making two anchoring base 21 is high, be welded and fixed with the pre-embedded steel slab on beam body 15 or reinforcing bar 18 with junction steel plate or reinforcing bar 19, disposable by complete for two anchoring base 21 surrounding casting and compacting of concrete.After concrete final set, first swing tooth plate 1 is fixedly connected with an anchoring base 21 by bolt 8, then fixed tooth plate 2 and the comb of swing tooth plate 1 are intersected horizontal mutually on dropproof steel plate 3, by bolt 8, fixed tooth plate 2 rear end is fixedly connected with another anchoring base 21, its dropproof steel plate 3 is arranged on slippage bracket 6, and dropproof steel plate 3 and slippage steel plate 13 are for being slidably connected.Now all install, concrete water seasoning, could open to traffic when concrete strength reaches 80%.
Whole hanging method: the pre-assembled verification completing swing tooth plate 1 and fixed tooth plate 2 and two anchoring base 21 in factory, by assembling qualified after device clamp by swing tooth plate 1 and fixed tooth plate 2 temporary fixed, entirety transports scene to and installs.First with steel clamp plate 11, watertight rubber band 10 both sides are fixed on the end top of two beam bodies 15, then the shrinkage joint center line of beam body 15 is made, and according to temperature and increment gap relationships made the length of swing tooth plate 1 and fixed tooth plate 2 comb juxtaposition at that time, the center line of this overlap length should with shrinkage joint center superposition, calculate the lengthwise position of two anchoring base 21 on beam body 15, and by bridge floor in length and breadth slope make swing tooth plate 1 on two anchoring base 21 and fixed tooth plate 2 top mark high.Anchor plate 9 junction steel plate or reinforcing bar 19 are welded and fixed with the pre-embedded steel slab on beam body 15 or reinforcing bar 18, then remove temporary fixed clamp, allow swing tooth plate 1 and fixed tooth plate 2 free-extension, finally use casting and compacting of concrete complete the surrounding of two anchoring base 21.Now all install, concrete water seasoning, could open to traffic when concrete strength reaches 80%.
More than just the present invention is further illustrated, and be not used to limit this patent, allly implements for the present invention's equivalence, within the right that all should be contained in this patent.
Claims (2)
1. a cantilever base spiral shell anchor formula comb plate stretching device, comprise swing tooth plate and fixed tooth plate, dropproof steel plate is welded in swing tooth plate comb-tooth segments bottom surface, bottom surface, fixed tooth plate rear end composition backing, it is characterized in that the bottom surface, rear end of swing tooth plate and fixed tooth plate is provided with bending resistant steel plate, the bending resistant steel plate of swing tooth plate and swing tooth plate and dropproof steel plate are for welding, and the bending resistant steel plate of fixed tooth plate is provided with slippage bracket, and bending resistant steel plate and fixed tooth plate, slippage bracket and backing plate are for welding; Described slippage bracket is made up of the slippage steel plate be arranged on several piece cantilever steel plate; Described fixed tooth plate intersects horizontal on dropproof steel plate mutually with the comb of swing tooth plate, its swing tooth plate and fixed tooth plate rear end are arranged on two anchoring base and are fixedly connected with two anchoring base by bolt, dropproof steel plate is arranged on slippage bracket, and dropproof steel plate and slippage steel plate are for being slidably connected; Described anchoring base is welded by several nut seat and anchor plate and angle steel.
2. cantilever base spiral shell anchor formula comb plate stretching device according to claim 1, is characterized in that described swing tooth plate and fixed tooth plate rear end are provided with side shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410768916.1A CN104452581B (en) | 2014-12-15 | 2014-12-15 | A kind of cantilever base spiral shell anchor formula comb plate stretching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410768916.1A CN104452581B (en) | 2014-12-15 | 2014-12-15 | A kind of cantilever base spiral shell anchor formula comb plate stretching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104452581A CN104452581A (en) | 2015-03-25 |
| CN104452581B true CN104452581B (en) | 2016-03-09 |
Family
ID=52899282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410768916.1A Expired - Fee Related CN104452581B (en) | 2014-12-15 | 2014-12-15 | A kind of cantilever base spiral shell anchor formula comb plate stretching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104452581B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507140B (en) * | 2016-01-14 | 2017-02-01 | 山东省路桥集团有限公司 | Integrated integral installation comb plate expansion joint device and construction method |
| CN107917223A (en) * | 2016-11-04 | 2018-04-17 | 刘晓琦 | A kind of forced seal ball valve of the anti-particle of pure angle stroke operation |
| CN107419655B (en) * | 2017-09-15 | 2023-09-19 | 成都市新筑路桥机械股份有限公司 | Bridge-falling-preventing telescopic device for straddle type monorail traffic track beam |
| CN109680605B (en) * | 2019-01-29 | 2020-09-04 | 杨胜 | Comb-tooth type bridge expansion device |
| CN111021240A (en) * | 2019-11-30 | 2020-04-17 | 郑州市交通规划勘察设计研究院 | Waterproof structure and waterproof method for bridge expansion joint |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0039454A3 (en) * | 1980-05-03 | 1981-12-09 | Kober AG | Bridging device for expansion joints in bridges or the like |
| DE10108907C2 (en) * | 2001-02-23 | 2003-07-17 | Maurer Friedrich Soehne | Single-profile bridging device and method for the remediation of such |
| CN201485787U (en) * | 2009-08-31 | 2010-05-26 | 徐斌 | Bridge expansion joint device with capacity of performing vertical displacement |
| CN202273174U (en) * | 2011-07-14 | 2012-06-13 | 安徽省交通规划设计研究院 | Vertical toothed plate type highway bridge expansion device |
| CN204343158U (en) * | 2014-12-15 | 2015-05-20 | 上海汇城建筑装饰有限公司 | A kind of cantilever base spiral shell anchor formula comb plate stretching device |
-
2014
- 2014-12-15 CN CN201410768916.1A patent/CN104452581B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN104452581A (en) | 2015-03-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20171215 |