CN215366805U - Novel bridge expansion joint structure - Google Patents
Novel bridge expansion joint structure Download PDFInfo
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- CN215366805U CN215366805U CN202121112303.4U CN202121112303U CN215366805U CN 215366805 U CN215366805 U CN 215366805U CN 202121112303 U CN202121112303 U CN 202121112303U CN 215366805 U CN215366805 U CN 215366805U
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- steel bars
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- expansion joint
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Abstract
A novel bridge expansion joint structure comprises a bridge body, a covering assembly, a fixing piece, a steel plate, embedded steel bars, a movable assembly and locking bolts; the embedded steel bars are arranged on the bridge body; the steel plate is arranged on the embedded steel bars in a sliding mode through the movable assembly, and the connecting steel bars are arranged on the movable main body and connected with the bottom of the steel plate; the fixing piece is provided with a diversion trench and a drainage trench, and the diversion trench is communicated with the drainage trench; the locking bolt is arranged on the fixing piece in a sliding mode, penetrates through the steel plate, is in threaded connection with the nut and is locked; the first cover plate is provided with a fixing strip, and the connecting plate is embedded in the bridge body and is rotationally connected with the fixing strip through a rotating shaft; the connecting structure of the second cover plate and the bridge body is the same as that of the first cover plate and the bridge body, and the second cover plate is connected with the first cover plate in a sliding mode. The bridge has the advantages that the bridge can well adapt to the variable quantity of the bridge main body when the bridge deforms and moves in the horizontal direction and the vertical direction, and the damage to the first cover plate and the second cover plate is reduced; the installation is convenient and the maintenance practicability is good.
Description
Technical Field
The utility model relates to the technical field of bridge expansion joints, in particular to a novel bridge expansion joint structure.
Background
Bridge expansion joints: it is referred to that in order to meet the requirement of deck deformation, expansion joints are usually provided between two beam ends, between a beam end and an abutment, or at the hinge joint of a bridge. Consists in adjusting the displacements and couplings between the superstructure caused by the vehicle loads and the bridge construction materials. The Chinese patent application No. CN201920864573.7 is a novel bridge expansion joint structure, in the process of using the device, a first cement concrete column can be used as a main supporting component to support a steel supporting block, two bridge main bodies can be close to or far away from each other due to the effects of thermal expansion and cold contraction, at the moment, a first spring can be contracted or stretched, the first cement concrete column is continuously inserted into or slightly far away from the bridge main bodies, so that the change quantity of the bridge main bodies can be adapted, and meanwhile, when the bridge main bodies are changed, a second spring cannot be radially bent but a hinge joint rotates, so that the problem of low service life of the second spring can be avoided; the utility model discloses a can only solve the bridge and take place to warp the change volume that adapts to the bridge main part when removing in the horizontal direction, can not solve the bridge because the change volume that various reasons removed in the direction of perpendicular to bridge axis, the practicality is little.
SUMMERY OF THE UTILITY MODEL
Objects of the utility model
In order to solve the technical problems in the background art, the utility model provides a novel bridge expansion joint structure, wherein a movable assembly slides transversely and longitudinally on embedded steel bars, so that a bridge deforms and moves in the horizontal direction and the vertical direction and is well adapted to the variation of a bridge main body; meanwhile, the locking bolt and the nut are convenient to install and maintain, and the practicability is good.
(II) technical scheme
The utility model provides a novel bridge expansion joint structure which comprises a bridge body, a covering assembly, a fixing piece, a steel plate, embedded steel bars, a movable assembly and locking bolts, wherein the bridge body is provided with a plurality of bridge expansion joints;
the bridge body is provided with a groove, and the embedded steel bars are arranged on the bridge body and positioned in the groove; the steel plate is arranged on the embedded steel bars in a sliding mode through a movable assembly, wherein the movable assembly comprises a movable main body and connecting steel bars; the connecting steel bar is arranged on the movable main body and connected with the bottom of the steel plate; the fixing piece is provided with a diversion trench and a drainage trench, and the diversion trench is communicated with the drainage trench; the steel plate is provided with a through hole, the fixing piece is provided with a counter bore, and the locking bolt is slidably arranged on the fixing piece, penetrates through the steel plate, is in threaded connection with the nut and is locked;
the bridge body is provided with a covering assembly for protecting the fixing piece, wherein the covering assembly comprises a first cover plate, a second cover plate, a rotating shaft and a connecting plate; the first cover plate is provided with a fixing strip, and the connecting plate is embedded in the bridge body and is rotationally connected with the fixing strip through a rotating shaft; the connecting structure of the second cover plate and the bridge body is the same as that of the first cover plate and the bridge body, and the second cover plate is connected with the first cover plate in a sliding mode.
Preferably, the first cover plate and the second cover plate are comb-shaped.
Preferably, the embedded steel bars are fixedly connected with fixing steel bars, and O-shaped through grooves are formed between the fixing steel bars and the embedded steel bars.
Preferably, the number of the embedded steel bars is that a plurality of groups of cavities are equidistantly distributed on the bridge body.
Preferably, the number of the diversion trenches is multiple groups and the diversion trenches are distributed on the fixing piece at equal intervals.
Preferably, the number of the connecting reinforcing steel bars is multiple groups and is positioned between the adjacent embedded reinforcing steel bars.
Preferably, one side of the fixing strip, which is close to the connecting plate, is provided with an arc-shaped chamfer.
Preferably, a diversion slope is arranged on the bottom surface of the drainage tank, and two ends of the diversion slope are lower than the center.
Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects: when the movable type drainage bridge is operated, firstly, a groove is dug in the bridge body, then the embedded steel bars are arranged in the groove in the bridge body, then the movable main body slides into the O-shaped through groove in the embedded steel bars and the connecting steel bars are respectively welded and fixed with the steel plate and the movable main body, then the fixing piece and the steel plate are fixed through the locking bolt and the nut, then the first cover plate and the second cover plate are connected in a sliding mode, the drainage groove is formed in the fixing piece, and the drainage groove is aligned with the drainage groove in the fixing piece; meanwhile, the connecting plate is rotationally connected with the fixing strips on the first cover plate and the second cover plate through a rotating shaft, and finally the connecting plate is buried in the bridge body; according to the utility model, the movable assembly slides on the embedded steel bars transversely and longitudinally, so that the bridge can adapt to the variation of the bridge main body when the bridge deforms and moves in the horizontal direction and the vertical direction; meanwhile, the locking bolt and the nut are convenient to install and maintain, and the practicability is good.
Drawings
Fig. 1 is a schematic structural view of a novel bridge expansion joint structure according to the present invention.
Fig. 2 is an exploded schematic view of a novel bridge expansion joint structure according to the present invention.
Reference numerals: 1. a bridge body; 2. a cover assembly; 3. a fixing member; 4. a steel plate; 5. embedding reinforcing steel bars in advance; 6. a movable component; 7. a first cover plate; 8. a second cover plate; 9. a fixing strip; 10. a rotating shaft; 11. a connecting plate; 12. a diversion trench; 13. a water discharge tank; 14. locking the bolt; 15. a movable body; 16. and connecting the reinforcing steel bars.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-2, the novel bridge expansion joint structure provided by the utility model comprises a bridge body 1, a covering component 2, a fixing component 3, a steel plate 4, a pre-embedded steel bar 5, a movable component 6 and a locking bolt 14;
a groove is arranged on the bridge body 1, and the embedded steel bar 5 is arranged on the bridge body 1 and is positioned in the groove; the steel plate 4 is arranged on the embedded steel bars 5 in a sliding mode through a movable assembly 6, wherein the movable assembly 6 comprises a movable main body 15 and connecting steel bars 16; the connecting steel bar 16 is arranged on the movable body 15 and connected with the bottom of the steel plate 4; the fixing piece 3 is provided with a diversion trench 12 and a drainage trench 13, and the diversion trench 12 is communicated with the drainage trench 13; the steel plate 4 is provided with a through hole, the fixing piece 3 is provided with a counter bore, and the locking bolt 14 is slidably arranged on the fixing piece 3, penetrates through the steel plate 4 and is in threaded connection with the nut and locked;
a covering component 2 for protecting the fixing part 3 is arranged on the bridge body 1, wherein the covering component 2 comprises a first cover plate 7, a second cover plate 8, a rotating shaft 10 and a connecting plate 11; the first cover plate 7 is provided with a fixing strip 9, and a connecting plate 11 is pre-embedded on the bridge body 1 and is rotationally connected with the fixing strip 9 through a rotating shaft 10; the connecting structure of the second cover plate 8 and the bridge body 1 is the same as that of the first cover plate 7 and the bridge body 1, and the second cover plate 8 is connected with the first cover plate 7 in a sliding mode.
In an alternative embodiment, the first cover plate 7 and the second cover plate 8 are comb-shaped, so that a drainage groove is reserved when the first cover plate and the second cover plate are connected conveniently, and pollution discharge is facilitated.
In an alternative embodiment, the embedded bars 5 are fixedly connected with the fixed bars, and an O-shaped through groove is formed between the fixed bars and the embedded bars 5, so that the movable body 15 can move on the embedded bars 5 conveniently.
In an optional embodiment, the number of the embedded steel bars 5 is that a plurality of groups of cavities are equidistantly distributed on the bridge body 1, so that the pressure resistance is improved.
In an alternative embodiment, the number of channels 12 is multiple and equally distributed on the fixing member 3.
In an alternative embodiment, the connecting bars 16 are provided in a plurality of sets and are located between adjacent embedded bars 5.
In an alternative embodiment, the side of the fixing strip 9 close to the connecting plate 11 is provided with an arc-shaped chamfer to prevent the fixing strip 9 from being stuck with the connecting plate 11.
In an optional embodiment, the bottom surface of the drainage groove 13 is provided with a flow guiding slope, and two ends of the flow guiding slope are lower than the center, so that quick sewage discharge and cleaning are facilitated.
When the method is operated, firstly, a groove is dug on a bridge body 1, then the embedded steel bars 5 are arranged in the groove on the bridge body 1, then the movable main body 15 slides into the O-shaped through groove on the embedded steel bars 5, the connecting steel bars 16 are respectively welded and fixed with the steel plate 4 and the movable main body 15, then the fixing piece and the steel plate 4 are fixed through the locking bolt 14 and the nut, then the first cover plate 7 and the second cover plate 8 are connected in a sliding mode, the sewage draining groove is formed, and the sewage draining groove is aligned with the water draining groove 13 on the fixing piece 3; meanwhile, the connecting plate 11 is rotatably connected with the fixing strips 9 on the first cover plate 7 and the second cover plate 8 through the rotating shaft 10, and finally the connecting plate 11 is embedded into the bridge body 1; according to the utility model, the movable assembly 6 slides on the embedded steel bars 5 transversely and longitudinally, so that the bridge can adapt to the variation of the bridge main body when deforming and moving in the horizontal direction and the vertical direction, when the bridge bodies 1 at two ends have variation up and down, the fixing piece 3 inclines along with the steel plate 4, and the first cover plate 7 and the second cover plate 8 rotate through the rotating shaft 10 and the connecting plate 11 respectively, so that a certain angle is formed and the damage to the first cover plate 7 and the second cover plate 8 is reduced; meanwhile, the locking bolt 14 and the nut are convenient to install and maintain, and practicability is good.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. A novel bridge expansion joint structure is characterized by comprising a bridge body (1), a covering assembly (2), a fixing piece (3), a steel plate (4), embedded steel bars (5), a movable assembly (6) and locking bolts (14);
a groove is arranged on the bridge body (1), and the embedded steel bar (5) is arranged on the bridge body (1) and is positioned in the groove; the steel plate (4) is arranged on the embedded steel bars (5) in a sliding mode through the movable assembly (6), wherein the movable assembly (6) comprises a movable main body (15) and connecting steel bars (16); the connecting steel bar (16) is arranged on the movable main body (15) and is connected with the bottom of the steel plate (4); the fixing piece (3) is provided with a diversion trench (12) and a drainage trench (13), and the diversion trench (12) is communicated with the drainage trench (13); the steel plate (4) is provided with a through hole, the fixing piece (3) is provided with a counter bore, and the locking bolt (14) is slidably arranged on the fixing piece (3) and penetrates through the steel plate (4) to be in threaded connection with the nut and locked;
a covering component (2) for protecting the fixing piece (3) is arranged on the bridge body (1), wherein the covering component (2) comprises a first cover plate (7), a second cover plate (8), a rotating shaft (10) and a connecting plate (11); a fixing strip (9) is arranged on the first cover plate (7), and a connecting plate (11) is pre-embedded on the bridge body (1) and is rotatably connected with the fixing strip (9) through a rotating shaft (10); the connecting structure of the second cover plate (8) and the bridge body (1) is the same as the connecting structure of the first cover plate (7) and the bridge body (1), and the second cover plate (8) is connected with the first cover plate (7) in a sliding mode.
2. A novel bridge expansion joint structure according to claim 1, wherein the first cover plate (7) and the second cover plate (8) are comb-shaped.
3. The novel bridge expansion joint structure of claim 1, wherein the embedded steel bars (5) are fixedly connected with fixing steel bars, and an O-shaped through groove is formed between the fixing steel bars and the embedded steel bars (5).
4. The novel bridge expansion joint structure of claim 1, wherein the number of the embedded steel bars (5) is that a plurality of groups of cavities are equidistantly distributed on the bridge body (1).
5. A novel bridge expansion joint structure according to claim 1, wherein the number of the guiding grooves (12) is multiple and are distributed on the fixing member (3) at equal intervals.
6. The novel bridge expansion joint structure of claim 1, wherein the number of the connecting steel bars (16) is multiple and is located between the adjacent embedded steel bars (5).
7. A novel bridge expansion joint structure according to claim 1, wherein the side of the fixing strip (9) near the connecting plate (11) is provided with an arc-shaped chamfer.
8. The novel bridge expansion joint structure as claimed in claim 1, wherein the bottom surface of the drainage groove (13) is provided with a diversion slope, and two ends of the diversion slope are lower than the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121112303.4U CN215366805U (en) | 2021-05-24 | 2021-05-24 | Novel bridge expansion joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121112303.4U CN215366805U (en) | 2021-05-24 | 2021-05-24 | Novel bridge expansion joint structure |
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| CN215366805U true CN215366805U (en) | 2021-12-31 |
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| CN202121112303.4U Active CN215366805U (en) | 2021-05-24 | 2021-05-24 | Novel bridge expansion joint structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263104A (en) * | 2022-01-18 | 2022-04-01 | 西安茜草工程技术有限公司 | Bridge expansion joint device |
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2021
- 2021-05-24 CN CN202121112303.4U patent/CN215366805U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263104A (en) * | 2022-01-18 | 2022-04-01 | 西安茜草工程技术有限公司 | Bridge expansion joint device |
| CN114263104B (en) * | 2022-01-18 | 2024-06-14 | 西安茜草工程技术有限公司 | Bridge expansion joint device |
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