CN112575679A - High-performance maintainable highway cantilever tooth-shaped expansion joint - Google Patents
High-performance maintainable highway cantilever tooth-shaped expansion joint Download PDFInfo
- Publication number
- CN112575679A CN112575679A CN201910922944.7A CN201910922944A CN112575679A CN 112575679 A CN112575679 A CN 112575679A CN 201910922944 A CN201910922944 A CN 201910922944A CN 112575679 A CN112575679 A CN 112575679A
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- cantilever
- plate
- tooth
- cantilever tooth
- maintainable
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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
-
- 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)
- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a high-performance maintainable highway cantilever tooth-shaped expansion joint, and particularly relates to the technical field of bridge engineering components, which comprises a first cantilever tooth-shaped plate, a second cantilever tooth-shaped plate, a water stop belt, a plurality of anchoring structures and two steel plates, wherein teeth on one side of the first cantilever tooth-shaped plate and teeth on one side of the second cantilever tooth-shaped plate are arranged in a staggered manner, and the anchoring structures are used for supporting and fixing the steel plates; the lower sides of the first cantilever tooth-shaped plate and the second cantilever tooth-shaped plate are detachably provided with a steel plate respectively, the steel plate is obliquely arranged in the horizontal direction, the lower sides of the two steel plates are detachably connected with the two sides of the water stop belt respectively, the upper sides of the two steel plates are vertically provided with first baffles, and the two first baffles are respectively located on one side, away from teeth on the first cantilever tooth-shaped plate and the second cantilever tooth-shaped plate, of the first cantilever tooth-shaped plate. The invention is more convenient to replace the first cantilever toothed plate and the second cantilever toothed plate, the steel plate is obliquely arranged in the horizontal direction, water is not easy to accumulate, and sundries between the teeth are easy to clean in time.
Description
Technical Field
The invention belongs to the technical field of bridge engineering parts, and particularly relates to a high-performance maintainable highway cantilever tooth-shaped expansion joint.
Background
The bridge expansion device is a general name of various devices which are arranged at the expansion part of the bridge and are composed of components such as rubber, steel and the like, and is used for enabling a vehicle to stably pass through a bridge floor and meeting the requirement of deformation of an upper structure of the bridge. The comb-shaped bridge expansion device in the prior art comprises:
1. the gap between the toothed plates on the two sides and the concrete below the toothed plates is very small, so that garbage is easily clamped between the teeth of the toothed plates on the two sides, accumulated water is not easy to be discharged in time, the toothed plates on the two sides are easy to deform and corrode, the toothed plates are often contacted with poured concrete when being installed, some concrete is often required to be chiseled off when being subsequently maintained and replaced, the operation is troublesome, and the bridge structure is caused to be loosened, so that potential safety hazards are caused.
2. The anchoring piece needs to be welded with an original bridge embedded part, time and labor are wasted, and the installation flatness is difficult to control.
Therefore, there is an urgent need for a high performance maintainable highway cantilever tooth type expansion joint that can solve the existing problems.
Disclosure of Invention
The invention aims to provide a high-performance maintainable highway cantilever tooth-shaped expansion joint, which is more convenient to replace a first cantilever tooth-shaped plate and a second cantilever tooth-shaped plate, and has the advantages that water is not accumulated easily due to the inclined arrangement of a steel plate in the horizontal direction, and impurities between teeth are easy to clean in time.
The invention provides the following technical scheme:
a high-performance maintainable highway cantilever tooth-shaped expansion joint comprises a first cantilever tooth-shaped plate, a second cantilever tooth-shaped plate and a water stop belt, wherein teeth on one side of the first cantilever tooth-shaped plate and teeth on one side of the second cantilever tooth-shaped plate are arranged in a staggered mode, and the high-performance maintainable highway cantilever tooth-shaped expansion joint also comprises a plurality of anchoring structures and two steel plates, wherein the anchoring structures are used for supporting and fixing the steel plates; first cantilever dentate plate with the below of second cantilever dentate plate is detachable respectively is equipped with one the steel sheet, the steel sheet is arranged in the horizontal direction slope, two the downside of steel sheet is detachable respectively and connects the both sides of waterstop, two the equal vertical first baffle that is equipped with of upside of steel sheet, two first baffle is located respectively first cantilever dentate plate with one side of keeping away from the tooth on it of second cantilever dentate plate. The steel sheet with the setting of first baffle keeps apart first dentate plate and second dentate plate and the concrete of pouring mutually, and first cantilever dentate plate and second cantilever dentate plate are connected with steel sheet detachable, make when changing first cantilever dentate plate and second cantilever dentate plate in follow-up maintenance, need not chisel the concrete, it is more convenient to change, the slope setting of steel sheet on the horizontal direction, make the clearance between steel sheet and first cantilever dentate plate and the second cantilever dentate plate increase gradually, the debris in intertooth directly falls down the steel sheet and along the inclined plane under the landing, thereby make the difficult ponding of telescoping device, intertooth debris is easily in time cleared up.
Preferably, the anchoring structure is embedded in the concrete to a depth of not less than 15 cm. And when the comb-shaped bridge expansion device in the prior art is installed, the connecting piece needs to be welded and connected with the bridge embedded part in advance, a large amount of manpower and material resources are consumed during construction and installation, and the flatness of the expansion device during installation is difficult to control. The design does not need to be welded with the embedded parts of the bridge, so that the construction period is greatly shortened, and a large amount of manpower, material resources and financial resources are saved.
Preferably, a plurality of rivets are welded on the surface of the anchoring structure. Strengthen the anchorage and avoid loosening.
Preferably, all the rivets are divided into two symmetrical rows, and each row of the rivets is vertically distributed on the anchoring structure.
Preferably, the surface of the anchoring structure is provided with an annular groove. Strengthen the anchorage and avoid loosening.
Preferably, the anchoring structure is a bolt sleeve or an anchor bolt.
Preferably, when the anchoring structure is a bolt sleeve, the upper end of the bolt sleeve penetrates through the steel plate and is connected with the steel plate in a welding mode, and the first cantilever tooth-shaped plate and the second cantilever tooth-shaped plate are detachably inserted into the bolt sleeve through bolts so as to be detachably connected with the steel plate corresponding to the first cantilever tooth-shaped plate and the second cantilever tooth-shaped plate. The bolt sleeve penetrates through the steel plate to be connected with the first cantilever tooth-shaped plate or the second cantilever tooth-shaped plate, so that a certain gap can be formed between the first cantilever tooth-shaped plate and the second cantilever tooth-shaped plate and the steel plate corresponding to the first cantilever tooth-shaped plate and the second cantilever tooth-shaped plate respectively, and meanwhile, the bolt sleeve is used for directly detachably connecting the first cantilever tooth-shaped plate and the second cantilever tooth-shaped plate with the steel plate corresponding to the first cantilever tooth-shaped plate and the second cantilever tooth-shaped plate (such as a special bolt sleeve is arranged on the upper side of the steel plate).
Preferably, the bolt is a high-strength self-locking bolt, and the bolt sleeve is a high-strength bolt sleeve.
Preferably, the lower side of the steel plate is vertically provided with a second baffle, the first baffle, the steel plate and the second baffle are integrated and Z-shaped, and the second baffle is detachably connected with the water stop belt through a bolt.
The invention has the beneficial effects that:
1. according to the invention, the first cantilever toothed plate and the second cantilever toothed plate are detachably connected with the steel plate, so that the first cantilever toothed plate and the second cantilever toothed plate can be conveniently maintained and replaced, because the first baffle plate is arranged to isolate the two sides of the first cantilever toothed plate and the second cantilever toothed plate from the concrete, the concrete does not need to be chiseled off during replacement, the replacement is more convenient, the steel plate is obliquely arranged in the horizontal direction, so that the gap between the steel plate and the first cantilever toothed plate and the second cantilever toothed plate is gradually increased, and sundries among teeth directly fall onto the steel plate and slide down along the inclined plane, so that water is not easy to accumulate, and the sundries among the teeth are easy to clean in time.
2. The depth of the anchoring structure embedded in the concrete is not less than 15cm, so that the anchoring structure is not required to be welded with an original bridge embedded part during installation, and construction is more convenient and faster.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of the present invention installed in concrete;
FIG. 2 is a schematic view of the overall top view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of the right side of the present invention.
Wherein the figures are labeled: 1. a first cantilevered castellated plate; 2. a second cantilevered castellated plate; 3. a water stop; 4. a bolt bushing; 5. a steel plate; 6. a first baffle plate; 7. a second baffle; 8. a high-strength self-locking bolt; 9. riveting; 10. teeth; 11. and (4) bolts.
Detailed Description
As shown in fig. 1-4, a high-performance maintainable highway cantilever tooth-shaped expansion joint comprises a first cantilever tooth-shaped plate 1, a second cantilever tooth-shaped plate 2, a water stop 3, a plurality of anchoring structures and two steel plates 5, wherein teeth 10 on one side of the first cantilever tooth-shaped plate 1 and teeth 10 on one side of the second cantilever tooth-shaped plate 2 are arranged in a staggered manner, the anchoring structures are bolt sleeves 4 and also can be foundation bolts 11, the bolt sleeves 4 are used for illustration in the embodiment, bolt sleeve 4 here uses high-strength bolt sleeve, and the outer wall that high-strength bolt sleeve's upper end passed steel sheet 5 and passed passes through welded connection with steel sheet 5, and steel sheet 5 is arranged at the horizontal direction slope, and the upside and the downside of steel sheet 5 are vertical respectively and are equipped with first baffle 6 and second baffle 7, and first baffle 6, steel sheet 5, second baffle 7 are integrative synthetic and are the Z shape, and two second baffles 7 pass through bolt 11 and are connected with the both sides detachable of waterstop 3. The two first stops 6 are arranged on both sides of the first and second cantilevered toothed plates 1, 2 arranged offset to each other, i.e. on the side of the first and second cantilevered toothed plates 1, 2 respectively remote from the teeth 10 thereon. The first cantilever toothed plate 1 and the second cantilever toothed plate 2 are detachably connected with the corresponding steel plate 5 through the high-strength self-locking bolt 8 which is detachably inserted into the bolt sleeve 4. According to the invention, the first cantilever toothed plate 1 and the second cantilever toothed plate 2 are detachably connected with the steel plate 5, so that the first cantilever toothed plate 1 and the second cantilever toothed plate 2 can be conveniently maintained and replaced, and because the first baffle 6 is arranged to isolate the two sides of the first cantilever toothed plate 1 and the second cantilever toothed plate 2 from the concrete, the concrete does not need to be chiseled off during replacement, so that the replacement is more convenient; the steel plate 5 is obliquely arranged in the horizontal direction, so that the steel plate has an inclined plane, gaps between the first cantilever toothed plate 1 and the second cantilever toothed plate 2 and the corresponding steel plate 5 are gradually increased, and therefore, a large enough gap is formed between the teeth 10 on the first cantilever toothed plate and the corresponding steel plate 5 and between the teeth 10 on the second cantilever toothed plate and the corresponding steel plate 5, sundries between the teeth directly fall onto the steel plate 5 and slide down along the inclined plane, so that water can be automatically drained, meanwhile, sundries between the teeth of the first cantilever toothed plate 1 and the second cantilever toothed plate 2 are not easy to block, the normal telescopic displacement function of the invention is not easy to be blocked, and garbage is convenient to clean.
When the comb-tooth-shaped bridge expansion device in the prior art is installed, the connecting piece needs to be welded and connected with the bridge embedded part in advance, a large amount of manpower and material resources are consumed during construction and installation, and the flatness of the expansion device during installation is difficult to control. Therefore, the present embodiment can be designed as follows:
specifically, the depth of the bolt sleeve 4 embedded into the concrete is not less than 15cm, and the bolt sleeve is not required to be welded with an original bridge embedded part during installation, so that construction is more convenient and faster. The surface of the bolt sleeve 4 is provided with a plurality of rivets 9 in a welding mode, and the surface of the bolt sleeve 4 is processed by annular grooves, so that the anchoring property can be enhanced, and looseness is not easily generated.
When the invention is used, the two ends of the high-performance maintainable highway cantilever tooth-shaped expansion joint are not contacted with concrete generally, and for the high-performance maintainable highway cantilever tooth-shaped expansion joint needing to be contacted with the concrete, the steel plate 5 can be arranged into the first cantilever tooth-shaped plate 1 and the second cantilever tooth-shaped plate 2 with the end parts protruding above the corresponding steel plate.
The installation method comprises the following steps:
during installation, the steel plate 5 is firstly placed in the notch, the levelness is adjusted by using the level ruler, and after adjustment, the steel plate can be temporarily fixed, a formwork is supported, and concrete is poured. And after the strength of the concrete reaches a design value, the water stop belt 3 is connected through the bolt 11, and then the first cantilever tooth-shaped plate 1 and the second cantilever tooth-shaped plate 2 are fastened on the high-strength bolt sleeve through the high-strength self-locking bolt 8, so that the installation is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A high-performance maintainable highway cantilever tooth-shaped expansion joint comprises a first cantilever tooth-shaped plate, a second cantilever tooth-shaped plate and a water stop belt, wherein teeth on one side of the first cantilever tooth-shaped plate and teeth on one side of the second cantilever tooth-shaped plate are arranged in a staggered manner; first cantilever dentate plate with the below of second cantilever dentate plate is detachable respectively is equipped with one the steel sheet, the steel sheet is arranged in the horizontal direction slope, two the downside of steel sheet is detachable respectively and connects the both sides of waterstop, two the equal vertical first baffle that is equipped with of upside of steel sheet, two first baffle is located respectively first cantilever dentate plate with one side of keeping away from the tooth on it of second cantilever dentate plate.
2. The high performance maintainable highway cantilever tooth expansion joint of claim 1, wherein said anchoring structure is embedded in concrete to a depth of not less than 15 cm.
3. The high performance maintainable highway cantilever tooth type expansion joint of claim 2, wherein a plurality of rivets are welded on the surface of said anchoring structure.
4. The high performance maintainable highway cantilever tooth type expansion joint of claim 2, wherein all of said rivets are divided into two symmetrical columns, each of said columns of rivets being vertically distributed on said anchoring structure.
5. The high performance maintainable highway cantilever tooth expansion joint of claim 2, wherein the surface of said anchoring structure is provided with an annular groove.
6. The high performance maintainable highway cantilever tooth type expansion joint of any one of claims 1 to 5, wherein the anchoring structure is a bolt sleeve or an anchor bolt.
7. The high performance maintainable highway cantilever tooth type expansion joint of claim 6, wherein when said anchor structure is a bolt sleeve, the upper end of said bolt sleeve passes through said steel plate and is connected with said steel plate by welding, said first cantilever tooth form and said second cantilever tooth form are detachably inserted into said bolt sleeve by bolts so as to be detachably connected with said corresponding steel plate.
8. The high performance maintainable highway cantilever tooth type expansion joint of claim 7, wherein said bolt is a high strength self locking bolt and said bolt sleeve is a high strength bolt sleeve.
9. The high-performance maintainable highway cantilever tooth type expansion joint of claim 1, wherein a second baffle is vertically arranged at the lower side of the steel plate, the first baffle, the steel plate and the second baffle are integrated and Z-shaped, and the second baffle is detachably connected with the water stop belt through a bolt.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910922944.7A CN112575679A (en) | 2019-09-27 | 2019-09-27 | High-performance maintainable highway cantilever tooth-shaped expansion joint |
| PCT/CN2020/100660 WO2021057173A1 (en) | 2019-09-27 | 2020-07-07 | High-performance maintainable highway cantilever tooth-shaped expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910922944.7A CN112575679A (en) | 2019-09-27 | 2019-09-27 | High-performance maintainable highway cantilever tooth-shaped expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112575679A true CN112575679A (en) | 2021-03-30 |
Family
ID=75109708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910922944.7A Withdrawn CN112575679A (en) | 2019-09-27 | 2019-09-27 | High-performance maintainable highway cantilever tooth-shaped expansion joint |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112575679A (en) |
| WO (1) | WO2021057173A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5834033B2 (en) * | 2013-02-25 | 2015-12-16 | 株式会社東京鐵骨橋梁 | Telescopic device |
| CN205171357U (en) * | 2015-12-07 | 2016-04-20 | 王呈祥 | Novel road bridge expansion joint structure |
| CN107338724A (en) * | 2016-12-21 | 2017-11-10 | 柳州东方工程橡胶制品有限公司 | A kind of ice-melt drains Multidirectional displacement bridge expansion device |
| JP2018119287A (en) * | 2017-01-24 | 2018-08-02 | 株式会社ビービーエム | Omnidirectional expansion joint for bridge |
| CN207017149U (en) * | 2017-08-07 | 2018-02-16 | 江西省天强工程技术有限公司 | A kind of bridge extension joint of energy dust |
| CN210946479U (en) * | 2019-09-27 | 2020-07-07 | 南京毛勒工程材料有限公司 | High-performance maintainable highway cantilever tooth-shaped expansion joint |
-
2019
- 2019-09-27 CN CN201910922944.7A patent/CN112575679A/en not_active Withdrawn
-
2020
- 2020-07-07 WO PCT/CN2020/100660 patent/WO2021057173A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2021057173A1 (en) | 2021-04-01 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210330 |
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| WW01 | Invention patent application withdrawn after publication |