CN211171599U - Public road bridge roof beam expansion joint - Google Patents
Public road bridge roof beam expansion joint Download PDFInfo
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- CN211171599U CN211171599U CN201921972967.0U CN201921972967U CN211171599U CN 211171599 U CN211171599 U CN 211171599U CN 201921972967 U CN201921972967 U CN 201921972967U CN 211171599 U CN211171599 U CN 211171599U
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Abstract
The utility model discloses a highway bridge expansion joint, including two relative flexible subassemblies that set up, flexible subassembly is fixed respectively and sets up in relative bridge section, and flexible subassembly all includes shaped steel, U-shaped reinforcing bar and annular reinforcing bar, and the shaped steel cross-section is F-shaped, and shaped steel upper portion end sets up the kink of buckling downwards, and the kink makes shaped steel upper portion form the draw-in groove, be provided with U-shaped rubber sealing strip between the shaped steel of two flexible subassemblies, U-shaped rubber sealing strip both ends all set up the joint portion with draw-in groove matched with, and the shaped steel lower part of two flexible subassemblies all sets up the backup pad, and the backup pad is articulated with shaped steel, and the backup pad end all sets up the broach structure, and the broach structure of two backup pad ends articulates each other, and the backup; the utility model discloses set up initiative type jacking structure, be convenient for release debris, realize the clearance of gap rubbish, guarantee the normal removal of shaped steel.
Description
Technical Field
The utility model belongs to the technical field of public road bridge roof beam engineering equipment, in particular to public road bridge roof beam expansion joint.
Background
The bridge deck plates expand or contract due to temperature changes and the like, so an expansion joint is arranged between every two adjacent bridge deck plates with preset beam length, and the expansion deformation of the bridge in the length direction is mainly borne by the bridge expansion joint.
At present, bridge expansion joints are of various types, and most commonly, two sections of profile steel are symmetrically arranged on two sides of the expansion joint, and then a V-shaped rubber water stop is arranged between the two sections of profile steel so as to prevent rainwater from flowing into a bridge lower structure from gaps between the two sections of profile steel. When ambient temperature changes, the bridge body can take place flexible removal, and the gap between the expansion joint shaped steel also can widen or narrow down, can fall into debris and influence the normal flexible of shaped steel often in the gap between the shaped steel, serious messenger's expansion joint deformation destruction.
The invention discloses a slag inclusion preventing profile steel for a bridge expansion joint, which is provided with a V-shaped rubber sealing strip, and sundries in the gap are ejected out by utilizing the shrinkage deformation of a V-shaped structure and the side edges of the profile steel. But this kind of structure mainly relies on V-arrangement rubber sealing strip extrusion debris to realize arranging the sediment, because rubber self has certain deformation, arranges the sediment effect not good enough, and long-time the use leads to effectively upwards extruding debris, and then influences the normal removal of extending structure and stretch out and draw back.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a public road bridge roof beam expansion joint solves the problem among the prior art, sets up initiative jacking structure, is convenient for release debris, realizes the clearance of gap rubbish, guarantees the normal removal of shaped steel.
In order to achieve the above object, the utility model provides a following technical scheme: a highway bridge expansion joint comprises two oppositely arranged expansion components, wherein the expansion components are respectively and fixedly arranged on opposite bridge sections, each expansion component comprises profile steel, U-shaped reinforcing steel bars and annular reinforcing steel bars, the section of the profile steel is F-shaped, the tail end of the upper part of the profile steel is provided with a bending part which is bent downwards, the upper part of the profile steel is provided with a clamping groove, the lower side of the profile steel is fixedly provided with a horizontal steel plate, the profile steel is uniformly provided with a plurality of U-shaped reinforcing steel bars and annular reinforcing steel bars towards one side of the bridge section, the openings of the U-shaped reinforcing steel bars face towards the profile steel, the two ends of the U-shaped reinforcing steel bars are respectively and fixedly connected with the middle part of the side surface of the profile steel and the horizontal steel plate, the inner sides of four corners of the annular reinforcing steel bars are respectively provided with anchor bars, the inner sides of the upper, u-shaped rubber sealing area both ends all set up with draw-in groove matched with joint portion, and the shaped steel lower part of two flexible subassemblies all sets up the backup pad, and the backup pad is articulated with shaped steel, and the backup pad end all sets up comb tooth structure, and two terminal comb tooth structures of backup pad are articulated each other, and the end of backup pad is located U-shaped rubber sealing area's downside.
Furthermore, the U-shaped steel bars are welded with the section steel and the horizontal steel plate.
Furthermore, the anchor bars at two corners of the upper part of the annular steel bar and the anchor bars at the inner sides of the U-shaped steel bars are all at the same height, and the anchor bars, the U-shaped steel bars and the annular steel bars are all connected through binding wires.
Further, the lower part of the section steel is provided with a hinged seat hinged with the supporting plate.
Further, one end of the supporting plate is provided with a hinge part hinged with the hinge seat.
Furthermore, the comb tooth structures at the tail ends of the two support plates are alternately arranged at intervals.
Furthermore, the tail ends of the supporting plates are provided with hinge shafts, and the hinge shafts penetrate through the comb tooth structures of the two supporting plates.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses set up the jacking structure of initiative type, mutual articulated backup pad to set up in U-shaped rubber sealing strip downside, remove the in-process at the expansion joint, the articulated backup pad of drive makes progress jack-up U-shaped rubber sealing strip bottom, assists discharge debris, realizes the clearance in gap, guarantees that the normal removal at shaped steel expansion joint is flexible.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the support plate of the present invention.
In the figure: 1. shaped steel, 2, horizontal steel plate, 3, U-shaped reinforcing bar, 4, annular reinforcing bar, 5, anchor bar, 6, U-shaped rubber sealing area, 7, backup pad, 11, kink, 12, articulated seat, 61, joint portion, 71, articulated portion, 72, broach structure, 73, hinge.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present embodiment provides a highway bridge expansion joint, which comprises two opposite expansion components, wherein the expansion components are respectively and fixedly arranged on opposite bridge sections, each expansion component comprises a section steel 1, a U-shaped steel bar 3 and an annular steel bar 4, the section steel 1 is F-shaped, the upper end of the section steel 1 is provided with a bending part 11 which is bent downwards, the bending part 11 enables the upper part of the section steel 1 to form a clamping groove, the lower side of the section steel 1 is fixedly provided with a horizontal steel plate 2, one side of the section steel 1 facing the bridge section is uniformly provided with a plurality of U-shaped steel bars 3 and annular steel bars 4, the openings of the U-shaped steel bars 3 face the section steel 1, two ends of the U-shaped steel bars 3 are respectively and fixedly connected with the middle part of the side surface of the section steel 1 and the horizontal steel plate 2, the inner sides of four corners of the annular steel bars 4, annular reinforcement 4 passes through anchor bar 2 and is connected with U-shaped steel bar 3, be provided with U-shaped rubber sealing strip 6 between two flexible subassembly's shaped steel 1, U-shaped rubber sealing strip 6 both ends all set up with draw-in groove matched with joint portion 61, and two flexible subassembly's shaped steel 1 lower part all sets up backup pad 7, and backup pad 7 is articulated with shaped steel 1, and backup pad 7 end all sets up broach structure 72, and two backup pad 7 terminal broach structure 72 are articulated each other, and the end of backup pad 7 is located the downside of U-shaped rubber sealing strip 6.
In this embodiment, the U-shaped steel bar 3 is welded to the section steel 1 and the horizontal steel plate 2.
In this embodiment, the anchor bars 5 at two upper corners of the annular steel bar 4 and the anchor bars 5 at the inner sides of the U-shaped steel bars 3 are all at the same height, and the anchor bars 5 are connected with the U-shaped steel bars 3 and the annular steel bar 4 through binding wires.
In this embodiment, the lower portion of the section steel 1 is provided with a hinge seat 12 hinged to the support plate 7.
In this embodiment, a hinge portion 71 hinged to the hinge base 12 is disposed at one end of the support plate 7.
In this embodiment, the comb tooth structures 72 at the ends of the two support plates 7 are alternately arranged at intervals.
In this embodiment, the hinge shaft 73 is disposed at the end of the support plate 7, and the hinge shaft 73 penetrates through the comb structures 72 of the two support plates 7.
The utility model discloses during the use, the in-process that the expansion joint reduces gradually is leaded to in the bridge extension to rise in temperature, distance between shaped steel 1 reduces gradually, make backup pad 7 rotate around shaped steel 1's articulated seat 12, backup pad 7 is to the upset of vertical direction, backup pad 7 terminal articulated broach structure 72 rises gradually, thereby the debris of 6 upsets U-shaped rubber sealing strip upsets upside, make sedimentary debris produce not hard up, the ejecting road surface of some debris, be convenient for being close to each other of shaped steel 1, guarantee with bridge terminal surface fixed connection's shaped steel 1's normal removal flexible.
The utility model discloses set up initiative's jacking structure, mutual articulated backup pad 7 to set up in 6 downside of U-shaped rubber sealing strip, remove the in-process at the expansion joint, drive articulated backup pad 7 makes progress jack-up U-shaped rubber sealing strip 6 bottoms, assists discharge debris, realizes the clearance in gap, guarantees that the normal removal at shaped steel 1 expansion joint is flexible.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a public road bridge roof beam expansion joint, includes the flexible subassembly of two relative settings, flexible subassembly is fixed respectively and sets up in relative bridge section, and flexible subassembly all includes shaped steel, U-shaped reinforcing bar and annular steel bar, and the shaped steel cross-section is F shape, and the end of shaped steel upper portion sets up the kink of buckling downwards, and the kink makes shaped steel upper portion form the draw-in groove, and the fixed horizontal steel sheet that sets up of shaped steel downside, shaped steel evenly set up a plurality ofly towards bridge section one side U-shaped reinforcing bar and annular steel bar, U-shaped reinforcing bar opening towards shaped steel, the both ends of U-shaped reinforcing bar respectively with shaped steel side middle part and horizontal steel sheet fixed connection, annular steel bar four corners department inboard all sets up the anchor bar, U-shaped reinforcing bar upper portion inboard also is provided with the anchor bar, the anchor bar all is parallel with: be provided with U-shaped rubber sealing area between two flexible subassemblies's the shaped steel, U-shaped rubber sealing area both ends all set up with draw-in groove matched with joint portion, and two flexible subassemblies's shaped steel lower part all sets up the backup pad, and the backup pad is articulated with shaped steel, and the backup pad end all sets up comb tooth structure, and two terminal comb tooth structures of backup pad are articulated each other, and the end of backup pad is located the downside of U-shaped rubber sealing area.
2. The highway bridge expansion joint of claim 1, wherein: the U-shaped steel bars are welded with the section steel and the horizontal steel plate.
3. The highway bridge expansion joint of claim 1, wherein: the anchor bars at two corners of the upper part of the annular steel bar and the anchor bars at the inner sides of the U-shaped steel bars are all at the same height, and the anchor bars, the U-shaped steel bars and the annular steel bars are all connected through binding wires.
4. The highway bridge expansion joint of claim 1, wherein: the lower part of the section steel is provided with a hinged seat hinged with the supporting plate.
5. The highway bridge expansion joint of claim 4, wherein: one end of the supporting plate is provided with a hinge part hinged with the hinge seat.
6. The highway bridge expansion joint of claim 1, wherein: the comb tooth structures at the tail ends of the two supporting plates are alternately arranged at intervals.
7. The highway bridge expansion joint of claim 6, wherein: the tail ends of the supporting plates are provided with hinge shafts, and the hinge shafts penetrate through the comb tooth structures of the two supporting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921972967.0U CN211171599U (en) | 2019-11-15 | 2019-11-15 | Public road bridge roof beam expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921972967.0U CN211171599U (en) | 2019-11-15 | 2019-11-15 | Public road bridge roof beam expansion joint |
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| Publication Number | Publication Date |
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| CN211171599U true CN211171599U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921972967.0U Active CN211171599U (en) | 2019-11-15 | 2019-11-15 | Public road bridge roof beam expansion joint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376399A (en) * | 2020-11-05 | 2021-02-19 | 中冶南方城市建设工程技术有限公司 | Bridge width splicing device |
| CN112431115A (en) * | 2020-11-12 | 2021-03-02 | 张国彦 | Bridge superstructure precast slab mounting and lapping device for road engineering and use method thereof |
-
2019
- 2019-11-15 CN CN201921972967.0U patent/CN211171599U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376399A (en) * | 2020-11-05 | 2021-02-19 | 中冶南方城市建设工程技术有限公司 | Bridge width splicing device |
| CN112431115A (en) * | 2020-11-12 | 2021-03-02 | 张国彦 | Bridge superstructure precast slab mounting and lapping device for road engineering and use method thereof |
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