CN215104640U - Bridge expansion device - Google Patents
Bridge expansion device Download PDFInfo
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- CN215104640U CN215104640U CN202121791650.4U CN202121791650U CN215104640U CN 215104640 U CN215104640 U CN 215104640U CN 202121791650 U CN202121791650 U CN 202121791650U CN 215104640 U CN215104640 U CN 215104640U
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- elastic connection
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Abstract
The utility model relates to a bridge engineering technical field discloses a bridge telescoping device, and the one end of elastic water stop is provided with first elastic connection portion, and the other end is provided with second elastic connection portion, and first elastic connection portion and second elastic connection portion all have first spigot surface, and the cell wall of first spacing groove and the cell wall of second spacing groove all have the second spigot surface. During the installation, only need promote first elastic connection portion and second elastic connection portion, make first spigot surface and second spigot surface sliding fit, can push first elastic connection portion into first spacing inslot smoothly, second elastic connection portion pushes second spacing inslot, realizes waterproof sealing strip's quick installation. And, the resilient card is located first spacing inslot after first elastic connection portion stretches into first spacing groove, and the resilient card is located the second spacing inslot after second elastic connection portion stretches into the second spacing groove, prevents that the elastic waterstop from breaking away from first flexible roof beam and the flexible roof beam of second, guarantees good waterproof sealing effect.
Description
Technical Field
The utility model relates to a bridge engineering technical field especially relates to a bridge telescoping device.
Background
The bridge expansion device is a connecting device arranged between two beam ends, between the beam ends and a bridge abutment or at the hinged position of a bridge to meet the requirement of bridge deck deformation. The telescopic device can freely stretch in two directions parallel to and perpendicular to the axis of the bridge, is firm and reliable, and can ensure that a vehicle runs smoothly without sudden jump and noise. Meanwhile, the telescopic device can prevent rainwater from permeating into the beam end, so that blockage is avoided, and the telescopic device is simple and convenient to install and convenient to check and maintain.
In the prior art, a bridge expansion device usually includes expansion beams arranged in pairs, grooves are formed in the side surfaces of the expansion beams, and two ends of a waterproof sealing tape are respectively clamped into the grooves of the corresponding expansion beams to form a waterproof structure. However, the sealing strip end of the waterproof structure is larger than the groove of the telescopic beam, and the waterproof sealing strip is difficult to install, wastes time and labor. Moreover, due to the structural design, the waterproof sealing tape can not be firmly connected after temperature change and expansion and contraction, and the phenomenon that the waterproof sealing tape falls off is easy to occur.
SUMMERY OF THE UTILITY MODEL
Based on above problem, an object of the utility model is to provide a bridge telescoping device can realize the quick installation of waterproof sealing area, and waterproof sealing area and flexible roof beam firm in connection, is difficult for droing, can guarantee good waterproof sealing effect.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a bridge expansion device comprising:
the telescopic beam comprises a first telescopic beam and a second telescopic beam, wherein the first telescopic beam is provided with a first limit groove, and the second telescopic beam is provided with a second limit groove;
elastic water stop, elastic water stop's one end is provided with first elastic connection portion, and the other end is provided with second elastic connection portion, first elastic connection portion with second elastic connection portion all has first spigot surface, the cell wall of first spacing groove with the cell wall of second spacing groove all has the second spigot surface, first spigot surface of first elastic connection portion can with the second spigot surface sliding fit of first spacing groove makes first elastic connection portion elastic deformation locates in order to stretch into and block first spacing inslot, the first spigot surface of second elastic connection portion can with the second spigot surface sliding fit of second spacing groove makes second elastic connection portion elastic deformation locates in order to stretch into and block the second spacing inslot.
As the utility model discloses a bridge telescoping device's preferred scheme, first elastic connection portion is located the elastic water stop is dorsad one side of the flexible roof beam of second, second elastic connection portion is located the elastic water stop is dorsad one side of first flexible roof beam.
As the utility model discloses a bridge telescoping device's preferred scheme, first spacing groove with the notch department of second spacing groove is all protruding to be equipped with the joint arch, the second spigot surface is located the bellied top of joint, first elastic connecting portion with be close to on the second elastic connecting portion the one end of elastic water stop all is provided with the joint groove, the protruding card of joint is located the joint inslot, the second spigot surface with the tank bottom laminating in joint groove.
As the utility model discloses a bridge telescoping device's preferred scheme, first elastic connection portion with the both sides limit that second elastic connection portion is relative all is provided with first spigot surface.
As the utility model discloses a bridge telescoping device's preferred scheme, first elastic connection portion with all be provided with the deformation hole on the second elastic connection portion, the deformation hole can make first elastic connection portion with second elastic connection portion is in the second direction is in the face takes place to warp under the pressure effect of first guide surface.
As the utility model discloses a bridge telescoping device's preferred scheme, be provided with on the first flexible roof beam with the first recess of first spacing groove intercommunication, be provided with on the flexible roof beam of second with the second recess of second spacing groove intercommunication, the one end of elastic water stop inlays to be located in the first recess, the other end inlays to be located in the second recess.
As the utility model discloses a bridge telescoping device's preferred scheme, first elastic connecting portion with second elastic connecting portion all with elastic water stop integrated into one piece processing.
As the utility model discloses a bridge telescoping device's preferred scheme, the elastic water stop and first elastic connecting portion with second elastic connecting portion form by rubber materials preparation.
As the utility model discloses a bridge telescoping device's preferred scheme, be provided with a plurality of first anchor muscle along its length direction interval on the first flexible roof beam, be provided with a plurality of second anchor muscle along its length direction interval on the flexible roof beam of second.
As the utility model discloses a bridge telescoping device's preferred scheme, first spacing groove on the first flexible roof beam with second spacing groove on the flexible roof beam of second is by hot rolling mill machine-shaping.
The utility model has the advantages that:
the utility model provides a bridge telescoping device, the first elastic connection portion and the second elastic connection portion of elastic water stop all have first spigot surface, and the cell wall of the first spacing groove of first flexible roof beam and the cell wall of the second spacing groove of the flexible roof beam of second all have the second spigot surface. When the elastic water stop is installed, only the first elastic connecting portion and the second elastic connecting portion need to be pushed, the first guide surface and the second guide surface are in sliding fit, the first elastic connecting portion and the second elastic connecting portion are elastically deformed under the pressure acting force of the second guide surface to the first guide surface, the first elastic connecting portion can be smoothly pushed into the first limiting groove, the second elastic connecting portion is pushed into the second limiting groove, time and labor are saved in operation, and quick installation of the waterproof sealing strip is achieved. And, first elastic connection portion stretches into the reconversion behind the first spacing groove, firmly blocks promptly and locates first spacing inslot, and second elastic connection portion stretches into the reconversion behind the second spacing groove, firmly blocks promptly and locates the second spacing inslot, and then prevents that the elastic water stop from breaking away from first flexible roof beam and the flexible roof beam of second, guarantees good waterproof sealing effect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a first view of a bridge expansion device according to an embodiment of the present invention;
fig. 2 is a second view of the bridge expansion device according to the embodiment of the present invention (the first anchoring rib and the second anchoring rib are hidden);
fig. 3 is a schematic view of an elastic water stop of a bridge expansion device according to an embodiment of the present invention;
fig. 4 is a schematic view of a first telescopic beam and a second telescopic beam of the bridge expansion device according to the embodiment of the present invention.
In the figure:
1-a first telescopic beam; 2-a second telescopic beam; 3-an elastic water stop; 4-a first anchoring rib; 5-second anchoring ribs;
11-a first limit groove; 12-a first groove;
111-a second guide surface; 112-clamping protrusions;
21-a second limiting groove; 22-a second groove;
31-a first elastic connection; 32-a second elastic connection;
311-a first guide surface; 312-a snap groove; 313-deformation hole.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the present embodiment provides a bridge expansion device, which can be applied between two beam ends and between a beam end and a bridge abutment, and the bridge expansion device includes a first expansion beam 1, a second expansion beam 2 and an elastic water stop 3.
Referring to fig. 1 and 2, a first limiting groove 11 is formed in the first telescopic beam 1, a second limiting groove 21 is formed in the second telescopic beam 2, and an opening of the first limiting groove 11 is opposite to an opening of the second limiting groove 21; one end of the elastic water stop 3 is provided with a first elastic connecting portion 31, and the other end is provided with a second elastic connecting portion 32. As shown in fig. 3, preferably, the elastic water stop 3 is U-shaped, the first elastic connection portion 31 is located on a side of the elastic water stop 3 facing away from the second telescopic beam 2, and the second elastic connection portion 32 is located on a side of the elastic water stop 3 facing away from the first telescopic beam 1, so that the first elastic connection portion 31 can be exactly inserted into the first limiting groove 11 in an aligned manner, and the second elastic connection portion 32 can be exactly inserted into the second limiting groove 21 in an aligned manner.
The elastic water stop 3 is not limited to the U shape in the present embodiment, and in other embodiments, the elastic water stop 3 may have any other shape, such as a V shape, as long as the function of expanding and contracting the waterproof seal is achieved.
As shown in fig. 2, the first elastic connecting portion 31 and the second elastic connecting portion 32 each have a first guide surface 311, and the groove wall of the first stopper groove 11 and the groove wall of the second stopper groove 21 each have a second guide surface 111. When the elastic water stop 3 is installed, the first elastic connecting portion 31 and the second elastic connecting portion 32 are only required to be pushed, so that the first guide surface 311 of the first elastic connecting portion 31 is in sliding fit with the second guide surface 111 of the first limiting groove 11, and the first guide surface 311 of the second elastic connecting portion 32 is in sliding fit with the second guide surface 111 of the second limiting groove 21. First elastic connection portion 31 and second elastic connection portion 32 all take place elastic deformation under the pressure effort of second guiding surface 111 to first guiding surface 311 to can push first elastic connection portion 31 into first spacing groove 11 smoothly, in second elastic connection portion 32 pushes second spacing groove 21, operation labour saving and time saving realizes waterproof sealing area's quick installation. And, first elastic connection portion 31 stretches into resilient state behind the first spacing groove 11, firmly blocks promptly and locates first spacing groove 11, and second elastic connection portion 32 stretches into resilient state behind the second spacing groove 21, firmly blocks promptly and locates in the second spacing groove 21, and then can prevent that elastic waterstop 3 from breaking away from first flexible roof beam 1 and the flexible roof beam 2 of second, guarantees good waterproof sealing effect.
As shown in fig. 3, optionally, the opposite two sides of the first elastic connecting portion 31 and the second elastic connecting portion 32 are provided with first guiding surfaces 311. When the elastic water stop 3 is installed, taking the first elastic connection portion 31 as an example, the first guide surface 311 on the upper side of the first elastic connection portion 31 is attached to the second guide surface 111 on the upper side wall of the first limiting groove 11, the first guide surface 311 on the lower side of the first elastic connection portion 31 is attached to the second guide surface 111 on the lower side wall of the first limiting groove 11, the first elastic connection portion 31 is pushed to make the first guide surface 311 and the second guide surface 111 slide-fit, and simultaneously the second guide surfaces 111 on the upper side wall and the lower side wall of the first limiting groove 11 jointly press the first elastic connection portion 31, so that the first elastic connection portion 31 generates elastic deformation to smoothly slide into the first limiting groove 11. Similarly, the second elastic connecting portion 32 elastically deforms under the pressing force of the second guide surfaces 111 on the upper and lower side walls of the second stopper groove 21, and smoothly slides into the second stopper groove 21. The operation is labor-saving, and the installation is rapid.
In this embodiment, the cross sections of the first elastic connection portion 31 and the second elastic connection portion 32 are both approximately diamond-shaped, the front ends thereof are pointed structures, that is, the first guide surface 311 is an inclined surface, and the first elastic connection portion 31 and the second elastic connection portion 32 are more labor-saving when extending into the first limiting groove 11 and the second limiting groove 21.
With reference to fig. 3, optionally, a deformation hole 313 is provided on each of the first elastic connection portion 31 and the second elastic connection portion 32, and the deformation hole 313 is disposed to penetrate along the extending direction of the elastic water stop 3. When the elastic water stop 3 is installed, the upper side wall and the lower side wall of the first limiting groove 11 jointly extrude the first elastic connecting portion 31, the upper side wall and the lower side wall of the second limiting groove 21 jointly extrude the second elastic connecting portion 32, so that the deformation hole 313 deforms, the first elastic connecting portion 31 and the second elastic connecting portion 32 deform, the upper side and the lower side of the first elastic connecting portion contract towards the middle, the width narrows, the first elastic connecting portion 31 is adapted to the notches of the first limiting groove 11 and the second limiting groove 21, the first elastic connecting portion 31 is smoothly clamped into the first limiting groove 11, and the second elastic connecting portion 32 is smoothly clamped into the second limiting groove 21.
In this embodiment, the deformation hole 313 is a strip-shaped hole extending along the extending direction of the first elastic connecting portion 31 and the second elastic connecting portion 32, when the first elastic connecting portion 31 and the second elastic connecting portion 32 are squeezed, the strip-shaped hole is squashed, the strip-shaped hole can make the front and rear ends of the first elastic connecting portion 31 and the second elastic connecting portion 32 deform in a uniform compression manner, and the quick installation of the elastic water stop 3 is facilitated. In other embodiments, the deformation hole 313 may be designed as a circular hole or the like according to design requirements.
Optionally, referring to fig. 2 and 4, the notches of the first limiting groove 11 and the second limiting groove 21 are both convexly provided with a clamping protrusion 112, the second guide surface 111 is located at the top end of the clamping protrusion 112, and the ends of the first elastic connection portion 31 and the second elastic connection portion 32, which are close to the elastic water stop 3, are both provided with a clamping groove 312. After the front end of the first elastic connection portion 31 extends into the first limiting groove 11 and the front end of the second elastic connection portion 32 extends into the second limiting groove 21, the first elastic connection portion 31 and the second elastic connection portion 32 are restored. Simultaneously, the clamping protrusions 112 of the upper side wall and the lower side wall of the first limiting groove 11 are correspondingly clamped in the clamping grooves 312 of the upper side and the lower side of the first elastic connecting portion 31, the clamping protrusions 112 of the upper side wall and the lower side wall of the second limiting groove 21 are correspondingly clamped in the clamping grooves 312 of the upper side and the lower side of the second elastic connecting portion 32, the second guide surface 111 is attached to the groove bottom of the clamping grooves 312, the first elastic connecting portion 31 is limited in the first limiting groove 11, and the second elastic connecting portion 32 is limited in the second limiting groove 21.
In this embodiment, the inner spaces of the first and second limiting grooves 11 and 21 are gradually enlarged from the groove bottom to the outside, and then gradually reduced toward the groove opening, and the cross section thereof is approximately gourd-shaped. The inner space of the first limiting groove 11 can accommodate the first elastic connecting portion 31, and the notch of the first limiting groove can limit the first elastic connecting portion 31. Likewise, the inner space of the second limiting groove 12 can accommodate the second elastic connecting part 32, and the notch of the second limiting groove can limit the second elastic connecting part 32.
With continuing reference to fig. 2 and 4, optionally, the first telescopic beam 1 is provided with a first groove 12 communicating with the first limiting groove 11, and the second telescopic beam 2 is provided with a second groove 22 communicating with the second limiting groove 21. The first groove 12 is located on the upper side wall of the opening of the first limiting groove 11, and the second groove 22 is located on the upper side wall of the opening of the second limiting groove 21. After the first elastic connecting portion 31 is clamped in the first limiting groove 11 and the second elastic connecting portion 32 is clamped in the second limiting groove 21, one end of the elastic water stop 3 is just embedded in the first groove 12, and the other end of the elastic water stop is just embedded in the second groove 22. That is, the upper end faces of the two ends of the elastic water stop 3 are respectively attached to the groove wall of the first groove 12 and the groove wall of the second groove 22, so that the elastic water stop 3 is hermetically connected with the first telescopic beam 1 and the second telescopic beam 2, and the waterproof effect is effectively enhanced.
Alternatively, in order to facilitate the processing, in the present embodiment, the first elastic connecting portion 31 and the second elastic connecting portion 32 are integrally formed with the elastic water stop 3. In other embodiments, the first and second elastic connecting portions 31 and 32 may be separated from the elastic water stop band 3.
Optionally, the elastic water stop 3, the first elastic connecting portion 31 and the second elastic connecting portion 32 are made of rubber materials, and the rubber materials are good in elasticity, ageing-resistant, corrosion-resistant and strong in expansion capacity, and can meet repeated opening and closing movement of the expansion joint. In this embodiment, preferably, ethylene propylene diene monomer is used. In other embodiments, natural rubber or neoprene rubber may be used, as desired.
Optionally, a plurality of first anchoring ribs 4 are arranged on the first telescopic beam 1 at intervals along the length direction thereof, and a plurality of second anchoring ribs 5 are arranged on the second telescopic beam 2 at intervals along the length direction thereof. In this embodiment, a plurality of first anchor muscle 4 all weld on first flexible roof beam 1, and a plurality of second anchor muscle 5 all weld on the flexible roof beam 2 of second, welding mode, firm in connection. When the bridge expansion device is installed, the first anchoring ribs 4 and the second anchoring ribs 5 are welded with embedded steel bars of a beam end or a bridge abutment correspondingly.
Optionally, the first limiting groove 11 on the first telescopic beam 1 and the second limiting groove 21 on the second telescopic beam 2 are formed by a hot rolling mill. The hot rolling mill has high automation degree, low cost and high production efficiency, and is suitable for large-batch continuous production.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A bridge expansion device, comprising:
the telescopic beam structure comprises a first telescopic beam (1) and a second telescopic beam (2), wherein a first limiting groove (11) is formed in the first telescopic beam (1), and a second limiting groove (21) is formed in the second telescopic beam (2);
the elastic water stop belt (3), one end of the elastic water stop belt (3) is provided with a first elastic connecting part (31), the other end of the elastic water stop belt is provided with a second elastic connecting part (32), the first elastic connecting part (31) and the second elastic connecting part (32) are both provided with first guide surfaces (311), the groove wall of the first limiting groove (11) and the groove wall of the second limiting groove (21) are both provided with second guide surfaces (111), the first guide surface (311) of the first elastic connecting part (31) can be in sliding fit with the second guide surface (111) of the first limiting groove (11), so that the first elastic connecting part (31) is elastically deformed to extend into and be clamped in the first limiting groove (11), the first guide surface (311) of the second elastic connecting part (32) can be in sliding fit with the second guide surface (111) of the second limiting groove (21), the second elastic connecting part (32) is elastically deformed to extend into and be clamped in the second limiting groove (21).
2. The bridge expansion device according to claim 1, characterized in that the first elastic connection portion (31) is located on the side of the elastic water stop (3) facing away from the second expansion beam (2), and the second elastic connection portion (32) is located on the side of the elastic water stop (3) facing away from the first expansion beam (1).
3. The bridge expansion device according to claim 2, wherein the notch of the first limiting groove (11) and the notch of the second limiting groove (21) are both provided with a clamping protrusion (112), the second guide surface (111) is located at the top end of the clamping protrusion (112), the first elastic connecting portion (31) and the second elastic connecting portion (32) are both provided with a clamping groove (312) at the end close to the elastic water stop (3), the clamping protrusion (112) is clamped in the clamping groove (312), and the second guide surface (111) is attached to the bottom of the clamping groove (312).
4. The bridge expansion device according to claim 1, characterized in that the first guide surface (311) is provided on each of the two opposite sides of the first elastic connecting portion (31) and the second elastic connecting portion (32).
5. The bridge expansion device according to claim 1, characterized in that said first elastic connection portion (31) and said second elastic connection portion (32) are each provided with a deformation hole (313), said deformation holes (313) enabling said first elastic connection portion (31) and said second elastic connection portion (32) to be deformed under the pressure of said second guide surface (111) against said first guide surface (311).
6. The bridge expansion device according to claim 1, wherein the first expansion beam (1) is provided with a first groove (12) communicated with the first limiting groove (11), the second expansion beam (2) is provided with a second groove (22) communicated with the second limiting groove (21), one end of the elastic water stop (3) is embedded in the first groove (12), and the other end of the elastic water stop is embedded in the second groove (22).
7. The bridge expansion device according to claim 1, characterized in that the first elastic connection portion (31) and the second elastic connection portion (32) are both integrally formed with the elastic water stop (3).
8. The bridge expansion device according to any one of claims 1-7, wherein the elastic water stop (3) and the first and second elastic connection portions (31, 32) are made of rubber material.
9. The bridge expansion device according to any one of claims 1-7, characterized in that a plurality of first anchoring ribs (4) are provided on the first expansion beam (1) at intervals along its length direction, and a plurality of second anchoring ribs (5) are provided on the second expansion beam (2) at intervals along its length direction.
10. The bridge expansion device according to any one of claims 1-7, characterized in that the first limit groove (11) on the first expansion beam (1) and the second limit groove (21) on the second expansion beam (2) are formed by hot rolling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121791650.4U CN215104640U (en) | 2021-08-03 | 2021-08-03 | Bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121791650.4U CN215104640U (en) | 2021-08-03 | 2021-08-03 | Bridge expansion device |
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| Publication Number | Publication Date |
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| CN215104640U true CN215104640U (en) | 2021-12-10 |
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| CN202121791650.4U Active CN215104640U (en) | 2021-08-03 | 2021-08-03 | Bridge expansion device |
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| CN (1) | CN215104640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922060A (en) * | 2022-05-30 | 2022-08-19 | 南京交通职业技术学院 | Bridge expansion joint device and using method thereof |
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2021
- 2021-08-03 CN CN202121791650.4U patent/CN215104640U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922060A (en) * | 2022-05-30 | 2022-08-19 | 南京交通职业技术学院 | Bridge expansion joint device and using method thereof |
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