CN216809544U - Bridge expansion joint device - Google Patents
Bridge expansion joint device Download PDFInfo
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- CN216809544U CN216809544U CN202122461088.5U CN202122461088U CN216809544U CN 216809544 U CN216809544 U CN 216809544U CN 202122461088 U CN202122461088 U CN 202122461088U CN 216809544 U CN216809544 U CN 216809544U
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- expansion joint
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- water stop
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Abstract
The embodiment of the application provides a bridge expansion joint device, which comprises two beam end water retaining platforms, wherein the two beam end water retaining platforms are used for being respectively fixed on the top surfaces of adjacent beam bodies; the positioning assembly is fixed on the water retaining platforms at the beam ends and close to one side of the end face of the expansion joint of the beam body, and a clamping concave part is arranged on the positioning assembly; the two ends of the flexible water stop belt are respectively provided with a clamping convex part, and the clamping convex parts are matched with the clamping concave parts; the supporting piece is fixed on the beam end water stop platform and below the flexible water stop belt, and is arranged at the front end of the clamping concave part along the longitudinal direction of the beam body; one end of the supporting piece is in contact with the beam end water retaining table, and the other end of the supporting piece is in contact with the flexible water stop to be tightly supported so as to tightly fix the flexible water stop in the clamping concave part. When the device is replaced, an operator only needs to pier the top below the beam body to realize the detaching and replacing operations of the bracing piece and the flexible water stop. The ballast does not need to be pulled out, the water retaining platform is dismantled, and the water retaining platform needs to be poured again after replacement, so that the replacement process is simplified, and the replacement time is shortened.
Description
Technical Field
The application relates to the technical field of bridges, in particular to a bridge expansion joint device.
Background
The railway bridge prevents the rainwater at the beam end from overflowing for making the bridge floor drainage system continuous at the joint of the bridge floor, guarantees the durability of the anchor sealing concrete, and the beam end is provided with a water retaining platform which is internally provided with an expansion joint. Because the expansion joint of using at present is located railway ballast and fender tiny fragments of stone, and the expansion joint is changed and need be dialled open railway ballast, remove fender tiny fragments of stone steel board, and the expansion joint change need demolish the retaining platform earlier, change and need pour the retaining platform again after finishing, the expansion joint change process is complicated, consuming time long, the inefficiency, only can not accomplish the change of one expansion joint in skylight time (during the train does not operate), so the expansion joint change needs the train to stop for a period of time, and is great to railway operation influence.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a bridge expansion joint device to solve the problem that current expansion joint change process is complicated, consuming time is long and inefficiency.
In order to achieve the above purpose, the present application provides the following technical solutions:
a bridge expansion joint installation comprising:
the two beam end water retaining platforms are used for being respectively fixed on the top surfaces of the adjacent beam bodies;
the positioning assemblies are fixed on the beam end water retaining platforms and close to one side of the end face of the beam expansion joint, and clamping concave parts are arranged on the positioning assemblies;
the two ends of the flexible water stop belt are respectively provided with a clamping convex part, and the clamping convex parts are matched with the clamping concave parts;
the tightening piece is fixed on the beam end water stop platform and below the flexible water stop belt, and is arranged at the front end of the clamping concave part along the longitudinal direction of the beam body; one end of the supporting piece is in contact with the beam end water retaining platform, and the other end of the supporting piece is in contact with the flexible water stop belt and is tightly supported.
Preferably, the beam end water retaining platform is provided with an installation groove for installing the supporting piece; the mounting groove extends along the transverse direction of the beam body, and the notch is arranged upwards.
Preferably, the supporting piece is a rubber strip, the cross section of the rubber strip is circular, and the mounting groove is an arc mounting groove.
Preferably, the positioning assembly comprises:
the positioning piece and the anchoring piece are detachably connected, and both the positioning piece and the anchoring piece are buried in the beam-end water retaining platform;
the first positioning end wall of the positioning piece is flush with the first end wall of the beam end water retaining platform, and the first end wall is flush with the end face of the beam body; the opening of the clamping concave part is positioned on the first positioning end wall.
Preferably, the anchoring part is an anchoring steel bar, a nut and an accommodating groove are fixed on one side of the positioning part, which is far away from the clamping concave part, and the depth direction of the accommodating groove is collinear with the axis of the nut;
and the anchoring steel bar is matched with the nut for fastening.
Preferably, the anchoring reinforcing bars are arranged in the beam end water retaining table along the transverse extension of the beam end water retaining table.
Preferably, the clamping concave part is a clamping groove, and the clamping groove is a T-shaped groove; the clamping convex part is a T-shaped clamping convex part.
The T-shaped groove comprises a vertical groove and a longitudinal groove, the vertical groove is vertically arranged along the beam body, the longitudinal groove is longitudinally arranged along the beam body, and the mounting groove is located on the lower end groove wall of the longitudinal groove.
Preferably, the method further comprises the following steps:
two ends of the ballast retaining cover plate are respectively positioned between the top surfaces of two adjacent beam-end water retaining platforms and are used for covering the flexible water stop belts; and the ballast blocking cover plate is fixedly connected with the beam-end water retaining platform.
Preferably, still include fender tiny fragments of stone, coal, etc. apron anchor assembly, fender tiny fragments of stone, coal, etc. apron anchor assembly includes:
the first anchoring piece is buried in the beam-end water retaining platform and fixedly connected with the ballast retaining cover plate;
the second anchoring piece is used for being positioned on the top surface of the beam body and is a plate body;
the third anchoring piece is used for being embedded in the beam body and provided with a U-shaped hook part;
the first anchoring part and the third anchoring part are respectively and vertically arranged with the second anchoring part; the first anchor, the second anchor and the third anchor are integrally provided.
The bridge expansion joint device provided by the embodiment of the application comprises two beam end water retaining platforms which are respectively fixed on the top surfaces of adjacent beam bodies; the positioning assembly is fixed on the water retaining platforms at the beam ends and close to one side of the end face of the expansion joint of the beam body, and a clamping concave part is arranged on the positioning assembly; the two ends of the flexible water stop belt are respectively provided with a clamping convex part, and the clamping convex parts are matched with the clamping concave parts; the tightening piece is fixed on the beam end water stop platform and below the flexible water stop belt, and the tightening piece is arranged at the front end of the clamping concave part along the longitudinal direction of the beam body; one end of the supporting piece is in contact with the beam end water retaining platform, and the other end of the supporting piece is in contact with the flexible water stop belt and is tightly supported.
Adopt the bridge expansion joint device that provides in this application embodiment, compare in prior art, have following technological effect:
set up locating component on beam-ends water stop table, the last joint concave part that is provided with of locating component, the last joint convex part that is provided with of flexible waterstop carries out the joint through the cooperation of joint convex part and joint concave part to set up the stay piece on beam-ends water stop table, the below of flexible waterstop, the stay piece tightly fixes flexible waterstop in the joint concave part. When the device is replaced, an operator only needs to pier the top below the beam body to realize the detaching and replacing operations of the bracing piece and the flexible water stop. The ballast does not need to be pulled out, the water retaining platform is dismantled, the water retaining platform needs to be poured again after replacement, and the like, so that the replacement process is simplified, the replacement time is shortened, and the replacement efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic view of an assembly structure of a bridge expansion joint device according to an embodiment of the present disclosure;
fig. 2 is a schematic structural view of a beam-end water stop provided in an embodiment of the present application;
fig. 3 is a schematic view of an installation structure of a flexible water stop and a tightening member according to an embodiment of the present application.
The drawings are numbered as follows:
the device comprises a beam body 1, a beam-end water retaining platform 2, a positioning assembly 3, a ballast retaining cover plate 4, a flexible water stop belt 5, a bracing piece 6 and a ballast retaining cover plate anchoring assembly 7;
a clamping groove 311 and a mounting groove 312;
and a snap-fit projection 51.
Detailed Description
The embodiment of the utility model discloses a bridge expansion joint device, which aims to solve the problems of complex process, long time consumption and low efficiency of the conventional expansion joint replacement.
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Referring to fig. 1-3, fig. 1 is a schematic view of an assembly structure of a bridge expansion joint device according to an embodiment of the present disclosure; fig. 2 is a schematic structural view of a beam-end water stop provided in an embodiment of the present application; fig. 3 is a schematic view of an installation structure of a flexible water stop and a tightening member according to an embodiment of the present application.
In a specific embodiment, the application provides a bridge expansion joint device, including beam-ends retaining platform 2, locating component 3, flexible waterstop 5 and fastener 6. The beam end water retaining platform 2 is fixed on the top surface of the beam body 1; it can be understood that the beam bodies 1 on the two sides of the expansion joint are respectively provided with a beam end water retaining platform 2. The beam end water retaining platform 2 extends from the transverse direction of the beam body 1 to be in contact with the side wall plate. Positioning assembly 3 is fixed in on the roof beam end manger plate platform 2, is close to roof beam body 1's terminal surface one side, and positioning assembly 3 is fixed with roof beam end manger plate platform 2 accessible pouring, and the preferred aluminum alloy material that is of positioning assembly 3. The positioning component 3 is provided with a clamping concave part, such as a clamping hole or a clamping groove. Clamping convex parts 51 are respectively arranged at two ends of the flexible water stop 5, and the clamping convex parts 51 are matched with the clamping concave parts; both may be a clearance fit or an interference fit.
In order to further stabilize flexible waterstop 5 and beam-ends water retaining platform 2 and connect, on beam-ends water retaining platform 2, flexible waterstop 5's below sets up props piece 6, elastic deformation through propping piece 6 fixes the two, and prop the setting of piece 6 for the elasticity deformation volume scope grow of the joint concave part of flexible waterstop 5, can not be because of elasticity deformation volume is not conform to the problem that the requirement and flexible waterstop 5 production cost increase is replaced when setting up. The supporting piece 6 is arranged at the front end of the clamping concave part along the longitudinal direction of the beam body 1; one end of the supporting piece 6 is in contact with the beam end water stop table 2, and the other end of the supporting piece is in contact with the flexible water stop belt 5 and is tightly supported. The flexible water stop 5 can be a rubber water stop. The tightening piece 6 can also be arranged as a rubber strip, in other embodiments, it can also be arranged as a rigid tightening piece 6, and tightening is realized by squeezing the flexible water stop 5; the bracing members 6 may be secured to the beam end flashing 2 by gluing or other securing means.
Meanwhile, the supporting piece 6 is arranged below the flexible water stop belt 5, and the operator only needs to pier the top below the beam body 1 to detach and replace the supporting piece 6 and the flexible water stop belt 5.
Adopt the bridge expansion joint device that provides in this application embodiment, compare in prior art, have following technological effect:
set up locating component 3 on beam-ends manger plate platform 2, be provided with the joint concave part on locating component 3, be provided with joint convex part 51 on the flexible waterstop 5, carry out the joint through the cooperation of joint convex part 51 and joint concave part to on beam-ends manger plate platform 2, the below of flexible waterstop 5 sets up the stay piece 6, in order to fix flexible waterstop 5 and beam-ends manger plate platform 2 from this. When the device is replaced, an operator only needs to pier the top below the beam body 1 to detach and replace the bracing piece 6 and the flexible water stop belt 5. The ballast does not need to be pulled out, the water retaining platform is dismantled, the water retaining platform needs to be poured again after replacement, and the like, so that the replacement process is simplified, the replacement time is shortened, and the replacement efficiency is improved.
Specifically, the beam end water stop table 2 is provided with an installation groove 312 for installing the tightening piece 6; the mounting groove 312 extends along the transverse direction of the beam body 1, and the notch is arranged upward. The specific shape of the mounting groove 312 is set according to the structure of the fastening member 6, and the mounting groove 312 is, for example, a rectangular groove or an arc-shaped groove. In one embodiment, the cross-section of the rubber strip is circular, and the mounting groove 312 is a circular arc mounting groove 312.
In one embodiment, the clamping recess is a clamping groove 311, and the clamping groove 311 is a T-shaped groove; the catching protrusion 51 is a T-shaped catching protrusion. The T-shaped groove comprises a vertical groove and a longitudinal groove, the vertical groove is vertically arranged along the beam body 1, the longitudinal groove is vertically arranged along the beam body 1, and the mounting groove 312 is located on the lower end groove wall of the longitudinal groove.
In this embodiment, the positioning assembly 3 includes a positioning member 31 and an anchor member 32, and the positioning member 31 and the anchor member 32 are detachably connected, such as by a threaded fastener. The positioning piece 31 and the anchoring piece 32 are both embedded in the beam-end water retaining platform 2, the first positioning end wall of the positioning piece 31 is flush with the first end wall of the beam-end water retaining platform 2, and the first end wall is flush with the end face of the beam body 1; the opening of the catch recess is located on the first positioning end wall. It will be appreciated that the first locating end walls of the two beams 1 are oppositely disposed so as to be respectively connected with the flexible water stop 5.
Further, the anchoring part 32 is an anchoring steel bar, a nut and an accommodating groove are fixed on one side of the positioning part 31, which is far away from the clamping concave part, and the depth direction of the accommodating groove is collinear with the axis of the nut; the anchoring reinforcing bar is fixed with the nut cooperation, and the end of twisting soon of anchoring reinforcing bar stretches into to the holding tank simultaneously. Specifically, the anchoring steel bars are arranged in the beam-end water retaining platform 2 and extend along the transverse direction of the beam-end water retaining platform 2, so that the contact area between the anchoring steel bars and the beam-end water retaining platform 2 is increased.
On the basis of the above embodiments, the system further comprises a ballast blocking cover plate 4, wherein two ends of the ballast blocking cover plate 4 are respectively positioned between the top surfaces of two adjacent beam-end water blocking platforms 2 and used for covering a flexible water stop belt 5; and the ballast blocking cover plate 4 is fixedly connected with the beam-end water blocking platform 2. The ballast retaining cover plate 4 is preferably a steel plate. Preferably, the top surface of the beam-end water retaining platform 2 is provided with an abdicating groove for bearing the ballast retaining cover plate 4, and the groove depth of the abdicating groove is consistent with the thickness of the ballast retaining cover plate 4, so that the mounted ballast retaining cover plate 4 is flush with the top surface of the beam-end water retaining platform 2.
Specifically, still include fender tiny fragments of stone, coal, etc. apron anchor assembly 7, fender tiny fragments of stone, coal, etc. apron anchor assembly 7 includes first anchor assembly 32, second anchor assembly 32 and third anchor assembly 32, and above-mentioned three integral type sets up. The first anchoring member 32 is used for being buried in the beam-end water retaining platform 2, preferably vertically arranged along the beam body 1, and the first anchoring member 32 is fixedly connected with the ballast retaining cover plate 4, such as fixed by a threaded fastener or fixed by welding. The second anchor 32 is located on the top surface of the beam body 1, and the beam-end water stop 2 is cast over the second anchor 32 such that the second anchor 32 is buried into the beam-end water stop 2. The second anchoring member 32 is a plate to increase the contact area with the beam 1, thereby further improving the stability. The third anchoring member 32 is embedded in the beam body 1, and the third anchoring member 32 has a U-shaped hook portion to improve the shearing resistance. In other embodiments, the shear pins may be provided, and are within the scope of the present application.
In the device, the supporting piece 6 is positioned below the expansion joint, and an overhaul worker stands on the pier top at the end part (below the beam joint) to remove the rubber locking strip and the rubber water stop of the existing expansion joint; cleaning the inner cavity of the aluminum alloy special-shaped section, installing a new rubber water stop, installing a rubber locking strip through an installation tool, fixing the rubber water stop, and completing the replacement of the expansion joint.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (9)
1. A bridge expansion joint installation, comprising:
the two beam end water retaining platforms are used for being respectively fixed on the top surfaces of the adjacent beam bodies;
the positioning assemblies are fixed on the beam end water retaining platforms and close to one side of the end face of the beam expansion joint, and clamping concave parts are arranged on the positioning assemblies;
the two ends of the flexible water stop belt are respectively provided with a clamping convex part, and the clamping convex parts are matched with the clamping concave parts;
the tightening piece is fixed on the beam end water stop platform and below the flexible water stop belt, and is arranged at the front end of the clamping concave part along the longitudinal direction of the beam body; one end of the supporting piece is in contact with the beam end water retaining platform, and the other end of the supporting piece is in contact with the flexible water stop belt and is tightly supported.
2. The bridge expansion joint device according to claim 1, wherein the beam end water retaining platform is provided with an installation groove for installing the bracing member; the mounting groove extends along the transverse direction of the beam body, and the notch is arranged upwards.
3. The bridge expansion joint device of claim 2, wherein the tightening member is a rubber strip, the cross section of the rubber strip is circular, and the mounting groove is an arc-shaped mounting groove.
4. The bridge expansion joint assembly of claim 1, wherein said positioning assembly comprises:
the positioning piece and the anchoring piece are detachably connected, and both the positioning piece and the anchoring piece are buried in the beam-end water retaining platform;
the first positioning end wall of the positioning piece is flush with the first end wall of the beam end water retaining platform, and the first end wall is flush with the end face of the beam body; the opening of the clamping concave part is positioned on the first positioning end wall.
5. The bridge expansion joint device according to claim 4, wherein the anchoring member is an anchoring steel bar, a nut and an accommodating groove are fixed on one side of the positioning member away from the clamping concave part, and the depth direction of the accommodating groove is collinear with the axis of the nut;
and the anchoring steel bar is matched with the nut for fastening.
6. The bridge expansion joint device of claim 5, wherein said anchoring reinforcement is disposed within said beam end water stop along a transverse extent of said beam end water stop.
7. The bridge expansion joint device of claim 2, wherein the clamping concave portion is a clamping groove, and the clamping groove is a T-shaped groove; the clamping convex part is a T-shaped clamping convex part;
the T-shaped groove comprises a vertical groove and a longitudinal groove, the vertical groove is vertically arranged along the beam body, the longitudinal groove is longitudinally arranged along the beam body, and the mounting groove is positioned on the lower end groove wall of the longitudinal groove.
8. The bridge expansion joint installation according to any one of claims 1 to 7, further comprising:
two ends of the ballast retaining cover plate are respectively positioned between the top surfaces of two adjacent beam-end water retaining platforms and are used for covering the flexible water stop belts; and the ballast blocking cover plate is fixedly connected with the beam-end water retaining platform.
9. The bridge expansion joint device of claim 8, further comprising a ballast retaining cover plate anchoring assembly, wherein the ballast retaining cover plate anchoring assembly comprises:
the first anchoring piece is buried in the beam-end water retaining platform and fixedly connected with the ballast retaining cover plate;
the second anchoring piece is used for being positioned on the top surface of the beam body and is a plate body;
the third anchoring piece is used for being embedded in the beam body and is provided with a U-shaped hook part;
the first anchoring part and the third anchoring part are respectively and vertically arranged with the second anchoring part; the first anchor, the second anchor and the third anchor are integrally provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122461088.5U CN216809544U (en) | 2021-10-13 | 2021-10-13 | Bridge expansion joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122461088.5U CN216809544U (en) | 2021-10-13 | 2021-10-13 | Bridge expansion joint device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216809544U true CN216809544U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122461088.5U Active CN216809544U (en) | 2021-10-13 | 2021-10-13 | Bridge expansion joint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216809544U (en) |
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2021
- 2021-10-13 CN CN202122461088.5U patent/CN216809544U/en active Active
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