CN204608599U - The sliding seamless expansion-contraction devices of comb - Google Patents

The sliding seamless expansion-contraction devices of comb Download PDF

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Publication number
CN204608599U
CN204608599U CN201520302007.9U CN201520302007U CN204608599U CN 204608599 U CN204608599 U CN 204608599U CN 201520302007 U CN201520302007 U CN 201520302007U CN 204608599 U CN204608599 U CN 204608599U
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comb
plate
girder
comb plate
layer
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CN201520302007.9U
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张建东
满孝卫
袁亮
刘朵
王�锋
童浩
吴建平
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Nanjing Tech University
JSTI Group Co Ltd
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Nanjing Tech University
JSTI Group Co Ltd
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Abstract

The utility model discloses the sliding seamless expansion-contraction devices of a kind of comb, is provided with shrinkage joint between girder, and girder upper surface is provided with comb plate, and the comb plate being arranged on top, shrinkage joint for across seam comb plate, and is fixed fingers plate across what stitch that comb plate is connected; Top layer pave-load layer is arranged on described across seam comb plate top, and be respectively arranged with elastic body prefabricated section in the both sides of top layer pave-load layer, the elastic body prefabricated section left and right sides is respectively arranged with asphalt concrete pavement layer.The sliding seamless expansion-contraction devices of comb of the present utility model and bridge deck pavement can form non-individual body, and ensure that driving is steadily comfortable, driving noise is little, and water proofing property is excellent, are convenient to cleaning snow removing and wait upkeep operation; Structure design is more reasonable, easy construction, and comb plate is positioned on below pave-load layer, girder, can movement flexibly, effectively solves the problem come to nothing in comb plate increment bottom, overcomes the shortcoming that traditional seamless expansion-contraction devices easily produces crack.

Description

The sliding seamless expansion-contraction devices of comb
Technical field
The utility model relates to a kind of bridge expansion joint structure, particularly a kind of sliding elastomer telescoping device adapting to bridge stretching motion.
Background technology
Bridge extension joint is as the main member of bridge construction middle rolling car security performance, its Main Function be meet the temperature difference, bridge that wind-force, the condition such as vehicle-mounted cause longitudinally, level is to the needs of, vertical deflection and the displacement of earthquake increment, ensure the safety of bridge construction, smooth, comfortable bridge (road) face environment is provided, allow vehicle fast, smoothly through beam-ends stretching device district.
Comb-type telescoping device is that China Partial province uses relatively many a kind of stretching devices at present, from result of use, there is following problem in comb-type telescoping device: come to nothing in long tooth plate increment bottom, concrete is not full, long tooth plate cantilever force, long tooth plate and corrosion resistant plate fragile; Bolt strength is inadequate, and bolt produces fatigue failure; Waterproof measure is not enough, easily causes serious steel plate corrosion; The comb of the long tooth plate of the board-like stretching device of comb sticks up tooth or deficient phenomena, when beam body generation vertical corner, pier occur heavy will time produce vertical deformation and all can produce and stick up tooth or deficient phenomena.
Seamless expansion-contraction devices is only applicable to the bridge of thin tail sheep amount, and from the main material forming stretching device, this stretching device is also called elastic body stretching device.The major part of this stretching device is the compound of binding material and building stones, and this compound is supporting part, plays Main Function again as displacement piece and seal.Advantages such as it is short that expansion joints without seals has curing time, and noise is little, and road-ability is good, but this device in use easily cracks, crackle is generally distributed in the corresponding end face in transverse joint plate center or two ends.
Because the defect that above-mentioned existing bridge extension joint exists, the utility model people is based on being engaged in the practical experience and professional knowledge that this type of product design manufacture enriches for many years, and coordinate the utilization of scientific principle, actively in addition research and innovation, to founding the sliding seamless expansion-contraction devices of a kind of novel comb, it is made to have more practicality.Through constantly research, design, and through repeatedly studying sample and after improving, finally creating the utility model had practical value.
Utility model content
Main purpose of the present utility model is, overcomes the defect that existing bridge extension joint exists, and provides a kind of novel comb sliding seamless expansion-contraction devices, avoid warpage and crack problem, thus be more suitable for practicality, and have the value in industry.
The purpose of this utility model and solve its technical problem and realize by the following technical solutions.According to the sliding seamless expansion-contraction devices of comb that the utility model proposes, include girder, fixing steel nail, cavernous body, comb plate, pave-load layer and elastic body prefabricated section,
Shrinkage joint is provided with between described girder, described girder upper surface is provided with comb plate, described comb plate includes across seam comb plate and fixed fingers plate, and the comb plate being arranged on top, shrinkage joint for across seam comb plate, is fixed fingers plate with described across what stitch that comb plate is connected;
Described pave-load layer includes top layer pave-load layer and asphalt concrete pavement layer, described top layer pave-load layer is arranged on described across seam comb plate top, be respectively arranged with elastic body prefabricated section in the both sides of described top layer pave-load layer, the described elastic body prefabricated section left and right sides is respectively arranged with asphalt concrete pavement layer;
Cavernous body is provided with, being fixedly connected with described cavernous body by fixing steel nail across seam comb plate of top, described shrinkage joint in shrinkage joint between described girder.
Further, the sliding seamless expansion-contraction devices of aforesaid comb, the Embedded upper surface being arranged on described girder of described comb plate.
Further, the sliding seamless expansion-contraction devices of aforesaid comb, is provided with slide plate between described fixed fingers plate and girder, and described slide plate is connected with girder with described fixed fingers plate by set bolt.
Further, the sliding seamless expansion-contraction devices of aforesaid comb, the upper surface of described fixed fingers plate is pasted with partition cloth, and described partition cloth, fixed fingers plate are connected with girder with described elastic body prefabricated section by set bolt with slide plate.
Further, the sliding seamless expansion-contraction devices of aforesaid comb, described elastic body prefabricated section is TST Stone crushing bomb gonosome prefabricated section.TST Stone crushing bomb gonosome prefabricated section is the mixture of TST binding material and metaling, forms by precasting yard unification is prefabricated.TST binding material is made up of multiple high-molecular polymer asphalt; Rubble adopts selected limestone, and particle size range is that 20 ~ 40mm, below 13mm particle size content is less than 5%, and flat and elongated building stones content is less than 15% ~ 20%.
Further, the sliding seamless expansion-contraction devices of aforesaid comb, described top layer pave-load layer with between elastic body prefabricated section and elastic body prefabricated section be fixedly connected with all adopting adhesive between asphalt concrete pavement layer.
Further, the sliding seamless expansion-contraction devices of aforesaid comb, described slide plate is stainless steel slide plate.
Further, the sliding seamless expansion-contraction devices of aforesaid comb, described partition cloth is cloth.
Further, the sliding seamless expansion-contraction devices of aforesaid comb, the described thickness across seam comb plate is 5mm ~ 20mm.
Further, the sliding seamless expansion-contraction devices of aforesaid comb, the width of described top layer pave-load layer is identical with the elastic body prefabricated section width of both sides.
By technique scheme, the sliding seamless expansion-contraction devices of comb of the present utility model at least has following advantages:
The sliding seamless expansion-contraction devices of comb of the present utility model and bridge deck pavement can form non-individual body, and ensure that driving is steadily comfortable, driving noise is little, and water proofing property is excellent, are convenient to cleaning snow removing and wait upkeep operation; Structure design is more reasonable, easy construction, and comb plate is positioned on below pave-load layer, girder, can movement flexibly, effectively solves the problem come to nothing in comb plate increment bottom; Slide plate is in the environment comparatively sealed, and can alleviate the Damage of Corroded of slide plate; TST Stone crushing bomb gonosome prefabricated section can absorb the vertical corner displacement that beam body produces, and alleviate warpage and the deficient phenomena of comb, even if comb warpage and disappearance, TST Stone crushing bomb gonosome prefabricated section also can play a protective role to vehicle, and security performance is guaranteed; TST Stone crushing bomb gonosome prefabricated section is positioned at the both sides at shrinkage joint, decreases the stroke that single TST Stone crushing bomb gonosome prefabricated section bears, reduces the working strength of TST Stone crushing bomb gonosome prefabricated section; The comb plate of both sides, shrinkage joint and the collaborative work when beam body stretches of TST elastic body, stainless steel slide plate and cloth make comb plate can smooth and easy movement in the horizontal direction.When comb plate slides, TST elastic body also correspondingly stretches and shrinks, and simultaneously as supportive body, load is passed to steel plate and girder.Top, shrinkage joint shrinkage joint top layer pave-load layer replaces TST Stone crushing bomb gonosome prefabricated section, and the problem in crack appears in the elastic body solving traditional expansion joints without seals at transverse joint plate center correspondence end face; The cloth covered on comb plate separates comb plate and TST Stone crushing bomb gonosome prefabricated section, improves the stressing conditions of TST Stone crushing bomb gonosome prefabricated section at comb position, plays the effect of dispersion external crack.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of manual, be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the sliding seamless expansion-contraction devices structural representation of the utility model comb;
Fig. 2 is the sliding seamless expansion-contraction devices top view of the utility model comb;
Connotation is marked: 1. top layer pave-load layer in figure; 2. elastic body prefabricated section; 3. asphalt concrete pavement layer; 4. fixed fingers plate; 5. set bolt; 6. partition cloth; 7. slide plate; 8. fixing steel nail; 9. cavernous body; 10. across seam comb plate; 11. girders; 12. adhesives.
Detailed description of the invention
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, to according to its detailed description of the invention of the sliding seamless expansion-contraction devices of comb, feature and the effect thereof that the utility model proposes, be described in detail as follows.
Embodiment 1
The sliding seamless expansion-contraction devices of comb of the present utility model as shown in Figure 1, 2, include top layer pave-load layer 1, elastic body prefabricated section 2, asphalt concrete pavement layer 3, fixed fingers plate 4, set bolt 5, partition cloth 6, slide plate 7, fixing steel nail 8, cavernous body 9, across seam comb plate 10 and adhesive 12, above-mentioned parts are all arranged on the periphery of girder 11.
Shrinkage joint is provided with between girder 11, the upper surface of its middle girder 11 is provided with comb plate, the Embedded upper surface being arranged on girder 11 of comb plate, comb plate includes again across seam comb plate 10 and fixed fingers plate 4 two parts, the comb plate being arranged on top, shrinkage joint is across seam comb plate 10, with be fixed fingers plate 4 across what stitch that comb plate 10 is connected, fixed fingers plate 4 is arranged on the left and right sides across seam comb plate 10.
Pave-load layer includes again top layer pave-load layer 1 and asphalt concrete pavement layer 3, wherein top layer pave-load layer 1 is arranged on across seam comb plate 10 top, elastic body prefabricated section 2 is respectively arranged with in the both sides of top layer pave-load layer 1, elastic body prefabricated section 2 is TST Stone crushing bomb gonosome prefabricated section, is respectively arranged with again asphalt concrete pavement layer 3 in the left and right sides of elastic body prefabricated section 2; The width of top layer pave-load layer 1 accounts for 1/3rd of whole width of rebate, and the width of top layer pave-load layer 1 is identical with elastic body prefabricated section 2 width of both sides.
Cavernous body 9 is provided with in shrinkage joint between girder 11, being fixedly connected with cavernous body 9 by fixing steel nail 8 across seam comb plate 10 of top, shrinkage joint, play the effect that support telescopic sews on portion's top layer pave-load layer 1, the quantity of fixing steel nail 8 is determined according to the length of device, is about and arranges a fixing steel nail 8 every 200mm.
Between fixed fingers plate 4 and girder 11, be provided with slide plate 7, slide plate 7 is stainless steel slide plate, and slide plate 7 is connected with girder 11 with fixed fingers plate 4 by set bolt 5.The upper surface of fixed fingers plate 4 is pasted with partition cloth 6, and partition cloth 6 is cloth, and partition cloth 6, fixed fingers plate 4 are connected with girder 11 with elastic body prefabricated section 2 by set bolt 5 with slide plate 7.Adhesive 12 is all adopted to be fixedly connected with between top layer pave-load layer 1 with elastic body prefabricated section 2 and between elastic body prefabricated section 2 with asphalt concrete pavement layer 3.Thickness across seam comb plate 10 is 5mm ~ 20mm, is preferably 8mm.
In the utility model, the fixed fingers plate of both sides, shrinkage joint 4 and elastic body prefabricated section 2 collaborative work when beam body stretches, stainless steel slide plate 7 and partition cloth 6 make fixed fingers plate 4 can smooth and easy movement in the horizontal direction.When fixed fingers plate 4 slides, elastic body prefabricated section 2 also correspondingly stretches and shrinks, and simultaneously as supportive body, load is passed to steel plate and girder 11.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims (4)

1. the sliding seamless expansion-contraction devices of comb, is characterized in that: include girder (11), fixing steel nail (8), cavernous body (9), comb plate, pave-load layer and elastic body prefabricated section (2),
Described girder is provided with shrinkage joint between (11), described girder (11) upper surface is provided with comb plate, described comb plate includes across seam comb plate (10) and fixed fingers plate (4), the comb plate being arranged on top, shrinkage joint for across seam comb plate (10), is fixed fingers plate (4) with described across what stitch that comb plate (10) is connected;
Described pave-load layer includes top layer pave-load layer (1) and asphalt concrete pavement layer (3), described top layer pave-load layer (1) is arranged on described across seam comb plate (10) top, be respectively arranged with elastic body prefabricated section (2) in the both sides of described top layer pave-load layer (1), described elastic body prefabricated section (2) left and right sides is respectively arranged with asphalt concrete pavement layer (3);
Cavernous body (9) is provided with, being fixedly connected with described cavernous body (9) by fixing steel nail (8) across seam comb plate (10) of top, described shrinkage joint in shrinkage joint between described girder (11).
2. the sliding seamless expansion-contraction devices of comb according to claim 1, is characterized in that: the Embedded upper surface being arranged on described girder (11) of described comb plate, and its top is filled out and established elastic body prefabricated section.
3. the sliding seamless expansion-contraction devices of comb according to claim 1, it is characterized in that: between described fixed fingers plate (4) and girder (11), be provided with slide plate (7), described slide plate (7) is connected with girder (11) with described fixed fingers plate (4) by set bolt (5).
4. the sliding seamless expansion-contraction devices of comb according to claim 3, it is characterized in that: the upper surface of described fixed fingers plate (4) is pasted with partition cloth (6), described partition cloth (6), fixed fingers plate (4) are connected with girder (11) with described elastic body prefabricated section (2) by set bolt (5) with slide plate (7).
CN201520302007.9U 2015-05-11 2015-05-11 The sliding seamless expansion-contraction devices of comb Active CN204608599U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104818669A (en) * 2015-05-11 2015-08-05 苏交科集团股份有限公司 Slipping type seamless telescopic device
CN106638289A (en) * 2016-10-26 2017-05-10 上海市政工程设计研究总院(集团)有限公司 Steel bridge deck expansion joint concrete paving structure and construction method thereof
CN106702891A (en) * 2016-12-17 2017-05-24 浙江工业大学 Concealed joint type telescopic joint structure
CN110387813A (en) * 2019-07-27 2019-10-29 蓝海绿业生态建设股份有限公司 A kind of expanded joint structure and its construction method of bridge
CN111705640A (en) * 2020-06-05 2020-09-25 常州市市政工程设计研究院有限公司 Seamless expansion joint structure for bridge joint treatment and construction process thereof
CN114673081A (en) * 2022-04-24 2022-06-28 上海市城市建设设计研究总院(集团)有限公司 Seamless processing noise reduction bridge expansion device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104818669A (en) * 2015-05-11 2015-08-05 苏交科集团股份有限公司 Slipping type seamless telescopic device
CN106638289A (en) * 2016-10-26 2017-05-10 上海市政工程设计研究总院(集团)有限公司 Steel bridge deck expansion joint concrete paving structure and construction method thereof
CN106702891A (en) * 2016-12-17 2017-05-24 浙江工业大学 Concealed joint type telescopic joint structure
CN110387813A (en) * 2019-07-27 2019-10-29 蓝海绿业生态建设股份有限公司 A kind of expanded joint structure and its construction method of bridge
CN110387813B (en) * 2019-07-27 2021-06-08 蓝海绿业生态建设股份有限公司 Expansion joint structure of bridge and construction method thereof
CN111705640A (en) * 2020-06-05 2020-09-25 常州市市政工程设计研究院有限公司 Seamless expansion joint structure for bridge joint treatment and construction process thereof
CN114673081A (en) * 2022-04-24 2022-06-28 上海市城市建设设计研究总院(集团)有限公司 Seamless processing noise reduction bridge expansion device
CN114673081B (en) * 2022-04-24 2024-01-05 上海市城市建设设计研究总院(集团)有限公司 Noise reduction bridge expansion device with seamless processing

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