CN215561902U - Anchoring structure of elastic telescopic member - Google Patents
Anchoring structure of elastic telescopic member Download PDFInfo
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- CN215561902U CN215561902U CN202122081939.3U CN202122081939U CN215561902U CN 215561902 U CN215561902 U CN 215561902U CN 202122081939 U CN202122081939 U CN 202122081939U CN 215561902 U CN215561902 U CN 215561902U
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Abstract
The utility model discloses an anchoring structure of an elastic telescopic member, which comprises an embedded part and a connecting part, wherein the embedded part is embedded in the elastic telescopic member, one end of the connecting part is fixedly connected with the embedded part, the other end of the connecting part extends out of the elastic telescopic member, and the extending part of the connecting part is anchored on a seam crossing combined steel plate crossing a bridge telescopic notch through a first bolt. Therefore, the elastic telescopic member is mechanically connected with the bridge structure.
Description
Technical Field
The utility model relates to the technical field of bridge expansion joints, in particular to an anchoring structure of an elastic expansion member.
Background
The elastic material is used for filling the reserved expansion joints of the bridge structure, and the method is an effective solution for solving the problems of vehicle jumping, impact noise and the like caused by the vehicle passing of the bridge expansion device at present. The elastic material of the filling type seamless expansion joint needs to bear larger tensile stress and deform along with the elongation when the bridge structure generates contraction gap elongation due to temperature reduction. During filling and pouring construction, in order to ensure the length of the elastic material which is stretched and deformed under stress, the contact surface of the bottom and the structure cannot be bonded in the vehicle driving direction (or the forward bridge direction) by more than one half, and the anchoring of the structure depends on the bonding strength of the elastic material, so that the bonded anchoring area is easy to crack and damage.
Moreover, no matter the elastic material modified by thermoplastic material or thermosetting material is filled, the quality after construction and pouring is greatly influenced by the humidity or temperature of the construction environment, as well as the construction process or equipment.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model mainly aims to provide an anchoring structure of an elastic telescopic member, aiming at solving the problem that an anchoring area of an elastic telescopic material and a bridge structure is easy to damage.
In order to achieve the above object, the anchoring structure of the elastic telescopic member provided by the present invention comprises anchoring assemblies pre-embedded at two ends of the elastic telescopic member, wherein each anchoring assembly comprises a pre-embedded part and a connecting part, and the pre-embedded part is embedded in the elastic telescopic member; one end of the connecting piece is fixedly connected with the embedded part, the other end of the connecting piece extends out of the elastic telescopic component, and the extending part of the connecting piece is anchored on a cross-joint combined steel plate which is arranged on a bridge telescopic notch in a crossing mode through a first bolt.
Optionally, the embedded part is arranged along the transverse bridge direction, and a plurality of first glue passing holes are formed in the embedded part.
Optionally, the connecting member is arranged along a forward direction, and a plurality of second glue passing holes are formed in a part of the connecting member embedded in the elastic telescopic member.
Optionally, the embedded part is a rectangular steel plate or a rectangular square pipe.
Optionally, the connecting piece and the embedded part are connected together by welding or a second bolt.
Optionally, the seam crossing combination steel plate comprises a movable comb tooth steel plate and fixed comb tooth steel plates arranged on two sides of the movable comb tooth steel plate, and the fixed comb tooth steel plates are anchored on the bottom steel plate of the bridge telescopic notch through third bolts.
Optionally, one side of the bottom of the fixed comb-tooth steel plate, which is far away from the movable comb-tooth steel plate, is welded with an anchoring steel ring, and the anchoring steel ring is fixedly connected to the bridge structure of the bridge telescopic notch through pouring concrete.
Optionally, be equipped with pre-buried first reinforcing bar that sets up along the bridge to and the second reinforcing bar that the horizontal bridge set up in the concreting, the second reinforcing bar is located under the first reinforcing bar, and passes the anchor steel loop, be equipped with the confession on the anchor steel loop the perforation that the second reinforcing bar passed.
Optionally, the elastic telescopic member is made of one or more of thermosetting modified epoxy resin, thermosetting polyurethane resin, thermosetting modified silicone resin, thermosetting modified acrylic resin, thermoplastic elastomer and modified asphalt.
The utility model relates to an anchoring assembly at two ends of an elastic telescopic member, which comprises an embedded part and a connecting part, wherein the embedded part is embedded in the elastic telescopic member, one end of the connecting part is fixedly connected with the embedded part, the other end of the connecting part extends out of the elastic telescopic member, and the extending part of the connecting part is anchored on a cross-joint combined steel plate which is arranged across a bridge telescopic notch through a first bolt. Therefore, the elastic telescopic member is mechanically connected with the bridge structure.
Compared with the conventional filling type seamless expansion joint, the utility model has the advantages that:
1. the anchoring of the elastic telescopic member bearing the tension-compression deformation and the rolling of the vehicle and the bridge structure is realized by a mechanical structure, and the reliability is higher than that of the bonding anchoring only by the elastic telescopic member;
2. the durability of the use and installation is not influenced by the humidity or the temperature of the construction environment;
3. only a single telescopic component needs to be replaced during maintenance and replacement, a large amount of garbage is not generated during replacement of the whole telescopic component, and the device is convenient and has good cost performance.
Drawings
FIG. 1 is a schematic structural diagram of a seamless telescoping device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a comb-teeth-fixed steel plate according to an embodiment of the seamless telescopic device of the present invention;
FIG. 3 is a side schematic view of an anchor assembly in an embodiment of the seamless telescoping device of the present invention;
FIG. 4 is another side view of an anchor assembly in an embodiment of the seamless telescoping device of the utility model;
FIG. 5 is a top view of an anchor assembly in an embodiment of the seamless telescoping device of the utility model;
FIG. 6 is a schematic structural view of another embodiment of the seamless telescoping device of the utility model;
FIG. 7 is a side schematic view of an anchor assembly in another embodiment of a seamless telescoping device of the utility model;
FIG. 8 is another side view of an anchor assembly in another embodiment of a seamless telescoping device of the utility model;
FIG. 9 is a top view of an anchor assembly in another embodiment of a seamless telescoping device of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5 of the specification, an embodiment of the present invention provides a seamless expansion device for a bridge pavement structure, which includes an elastic expansion member 200, a cross-joint combination steel plate, and a bottom steel plate 400. The elastic telescopic member 200 is a standard telescopic member manufactured in a factory according to an extension working section designed by telescopic deformation, so as to solve the quality of construction site pouring. Specifically, the elastic telescopic member is formed by compositely pouring one or more elastic materials of thermosetting modified epoxy resin, thermosetting polyurethane resin, thermosetting modified organic silicon resin, thermosetting modified acrylic resin, thermoplastic elastomer and modified asphalt. The length of the elastic telescopic member 200 is 0.5-2.0 m, the transverse bridge is spliced to the sections, and the splicing gap of the two adjacent sections of the elastic telescopic member 200 is sealed and bonded by elastic adhesive. Stride seam combination steel sheet including activity broach steel sheet 310 and set up the fixed broach steel sheet 320 in activity broach steel sheet 310 both sides, activity broach steel sheet 310 passes through the fourth bolt anchor in the bottom of elastic expansion member 200, and fixed broach steel sheet 320 passes through the third bolt anchor on the end steel sheet 400 of the flexible notch 100 of bridge.
In this embodiment, the two ends of the elastic expansion member 200 along the bridge direction are embedded with an anchor assembly 210, the anchor assembly 210 includes an embedded part 211 and a connecting part 212, and the embedded part 211 is embedded in the elastic expansion member 200. One end of the connecting piece 212 is fixedly connected with the embedded part 211, the other end of the connecting piece extends out of the elastic telescopic component 200, the extending part of the connecting piece is anchored on a fixed comb-tooth steel plate 320 of the seam crossing combined steel plate through a first bolt 213, and a threaded hole 320a for inserting the first bolt 213 is arranged on the fixed comb-tooth steel plate 320.
The gap between the two ends of the elastic telescopic member 210 and the asphalt pavement 103 of the bridge telescopic slot 100, namely the anchoring area of the anchoring assembly 210 and the fixed comb-tooth steel plate 320, is filled with elastic polymer mortar 104.
Compared with the conventional filling type seamless expansion joint, the utility model has the advantages that:
1. the anchoring of the elastic telescopic member 200 bearing the tension-compression deformation and the rolling of the vehicle and the bridge structure 101 is realized by a mechanical structure, and the reliability is higher than that of the bonding anchoring only by the elastic telescopic member 200;
2. the durability of the use and installation is not influenced by the humidity or the temperature of the construction environment;
3. only a single telescopic component needs to be replaced during maintenance and replacement, a large amount of garbage is not generated during replacement of the whole telescopic component, and the device is convenient and has good cost performance.
In this embodiment, the embedded part 211 is a rectangular steel plate, and a plurality of first glue holes 211a are formed in the rectangular steel plate; the connecting member 212 is disposed along the longitudinal direction, one end of the connecting member is fastened to the rectangular steel plate by a second bolt 2111, and a portion close to the rectangular steel plate is provided with a second glue passing hole 212 a.
Thereby, the combination effect of the embedded part 211 and the connecting part 212 with the elastic telescopic member 200 is ensured when the elastic telescopic member 200 is poured.
In this embodiment, an anchoring steel ring 321 is welded to a side of the bottom of the fixed comb-tooth steel plate 320 far away from the movable comb-tooth steel plate 310, and the anchoring steel ring 321 is fixedly connected to the bridge structure 101 of the bridge expansion slot 100 through the cast concrete 102. The cast concrete 102 is internally provided with a first embedded steel bar 1021 arranged along the bridge direction and a second embedded steel bar 1022 arranged along the transverse bridge direction, the second embedded steel bar 1022 is positioned below the first embedded steel bar 1021 and penetrates through the anchoring steel ring 321, and the anchoring steel ring 321 is provided with a through hole 321a for the second embedded steel bar 1022 to penetrate through. Therefore, the connection strength between the fixed comb-tooth steel plate 320 and the bridge structure 101 is improved, and the elastic telescopic member 200 can be reliably and mechanically anchored with the bridge structure 101 through the fixed comb-tooth steel plate 320.
Example 2
Referring to fig. 6 to 9, an embodiment of the present invention provides another seamless expansion device for a bridge pavement structure, and the seamless expansion device provided in this embodiment is different from the seamless expansion device provided in embodiment 1 described above in that the anchoring assembly 210 is different, and the rest of the structure is the same.
Specifically, in this embodiment, the embedded part 211 in the embedded assembly 210 is a rectangular square pipe, and at least two surfaces of the rectangular square pipe are provided with a plurality of first glue passing holes 211 a; the connecting member 212 is disposed along the forward direction, and one end thereof is welded to the rectangular square pipe.
Compared with the embedded assembly in the embodiment 1, the embedded assembly 210 in the embodiment has a simpler structure and is more convenient to install and construct; and the embedded part 211 and the elastic telescopic member 200 are better combined.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The anchoring structure of the elastic telescopic member is characterized by comprising anchoring assemblies which are pre-embedded at two ends of the elastic telescopic member, wherein each anchoring assembly comprises a pre-embedded part and a connecting part, and the pre-embedded parts are embedded in the elastic telescopic member; one end of the connecting piece is fixedly connected with the embedded part, the other end of the connecting piece extends out of the elastic telescopic component, and the extending part of the connecting piece is anchored on a cross-joint combined steel plate which is arranged on a bridge telescopic notch in a crossing mode through a first bolt.
2. The anchoring structure for an elastically stretchable member as claimed in claim 1, wherein the embedment member is provided in a transverse bridge direction and has a plurality of first through-holes formed therein.
3. The anchoring structure for an elastically stretchable member according to claim 2, wherein the connecting member is provided along a forward direction, and a plurality of second glue holes are provided in a portion thereof embedded in the elastically stretchable member.
4. The anchoring structure for an elastically stretchable member as claimed in claim 2, wherein the embedded member is a rectangular steel plate or a rectangular square pipe.
5. The anchoring structure for the elastically stretchable member according to claim 2, wherein the connecting member and the embedded member are connected together by welding or a second bolt.
6. The anchoring structure for the elastically stretchable member according to any one of claims 1 to 5, wherein the slit-spanning composite steel plate includes a movable comb-tooth steel plate and fixed comb-tooth steel plates provided at both sides of the movable comb-tooth steel plate, and the fixed comb-tooth steel plates are anchored to the bottom steel plate of the bridge expansion slot by a third bolt.
7. The anchoring structure for the elastically stretchable member as claimed in claim 6, wherein an anchoring steel ring is welded to a bottom of the fixed comb-tooth steel plate on a side away from the movable comb-tooth steel plate, and the anchoring steel ring is fixedly connected to the bridge structure of the bridge stretching slot by casting concrete.
8. The anchoring structure for the elastically stretchable member according to claim 7, wherein a first reinforcing bar is embedded in the casting concrete in a bridge direction, and a second reinforcing bar is embedded in the casting concrete in a bridge direction, the second reinforcing bar is located below the first reinforcing bar and passes through the anchoring steel ring, and a through hole for the second reinforcing bar to pass through is formed in the anchoring steel ring.
9. The anchoring structure for an elastic expansion member according to claim 1, wherein said elastic expansion member is made of one or more of thermosetting modified epoxy resin, thermosetting polyurethane resin, thermosetting modified silicone resin, thermosetting modified acrylic resin, thermoplastic elastomer, and modified asphalt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122081939.3U CN215561902U (en) | 2021-08-31 | 2021-08-31 | Anchoring structure of elastic telescopic member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122081939.3U CN215561902U (en) | 2021-08-31 | 2021-08-31 | Anchoring structure of elastic telescopic member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215561902U true CN215561902U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122081939.3U Active CN215561902U (en) | 2021-08-31 | 2021-08-31 | Anchoring structure of elastic telescopic member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215561902U (en) |
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2021
- 2021-08-31 CN CN202122081939.3U patent/CN215561902U/en active Active
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