CN216615480U

CN216615480U - High joint strength road bridge expansion joint device

Info

Publication number: CN216615480U
Application number: CN202123338036.5U
Authority: CN
Inventors: 赵世安; 胡新会; 赵春兰; 王浩; 谈会德
Original assignee: Hengshui Ruizhi Rubber Products Co ltd
Current assignee: Hengshui Ruizhi Rubber Products Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-27
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a road and bridge expansion joint device with high connection strength. A first through long supporting plate is arranged below the first panel, a plurality of first reinforcing ribs are arranged on the side face of the first supporting plate, and first anchoring ribs are arranged below the first panel; a second through long supporting plate is arranged below the second panel, a second reinforcing rib is arranged on the side face of the second supporting plate, and a second anchoring rib is arranged below the second panel; a dustproof structure is arranged at a telescopic gap between the first panel and the second panel; the below of dustproof construction is provided with the elastic support piece, and the below of elastic support piece is pressed in the top of waterproof board, and the setting of waterproof board full length is in expansion joint department. The high-connection-strength road and bridge expansion joint device adopting the structure can solve the problems that the expansion joint device is low in connection strength and easy to warp and damage.

Description

High joint strength road bridge expansion joint device

Technical Field

The utility model relates to the technical field of expansion joints, in particular to a road bridge expansion joint device with high connection strength.

Background

The expansion joint of the highway bridge is designed to meet the requirement of bridge deck deformation, and the expansion joint is arranged between two beam ends, between the beam ends and the bridge deck or at the hinged position of the bridge, and is required to freely expand and contract in two directions parallel to and perpendicular to the axis of the bridge, so that the expansion joint is firm and reliable. The expansion joint device is anchored between the bridge plates, the existing expansion joint device is only anchored in post-poured concrete through the anchoring ribs or the anchoring plates, the connection strength of the expansion joint device is low, the expansion joint device is easy to warp under the repeated extrusion action of a vehicle, the normal use of the expansion joint device is influenced, and the travelling comfort is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-connection-strength road and bridge expansion joint device, which solves the problems that the expansion joint device is low in connection strength and easy to warp and damage.

In order to achieve the purpose, the utility model provides a road and bridge expansion joint device with high connection strength, which comprises a first panel and a second panel, wherein tooth buds are arranged on the first panel, tooth grooves matched with the tooth buds are arranged on the second panel, the tooth buds are positioned in the tooth grooves, and telescopic gaps are formed between the tooth buds and the tooth grooves; a through long first supporting plate is arranged below the first panel along the length direction of the first panel, a plurality of first reinforcing ribs connected with embedded steel bars of the bridge plate are arranged on the side surface of the first supporting plate, and first anchoring ribs connected with the embedded steel bars of the bridge plate are arranged below the first panel; a second through long supporting plate is arranged below the second panel, a plurality of second reinforcing ribs connected with the embedded steel bars of the bridge plate are arranged on the side surface of the second supporting plate, and a second anchoring rib connected with the embedded steel bars of the bridge plate is arranged below the second panel; a dustproof structure is arranged at a telescopic gap between the first panel and the second panel; the below of dustproof construction is provided with the elasticity supporting shoe, and the below of elasticity supporting shoe is pressed in the top of waterproof board, and the setting of waterproof board through length is in expansion joint department.

Preferably, a first connecting plate is arranged below the first panel, the first connecting plate is perpendicular to the first panel and the first support plate, the top end of the first connecting plate is connected with the first panel, one end of the first connecting plate is connected with the first support plate, and a first anchoring rib is arranged on the first connecting plate.

Preferably, a second connecting plate is arranged below the second panel and is perpendicular to the second panel and the second support plate, the top end of the second connecting plate is connected with the second panel, one end of the second connecting plate is connected with the second support plate, and the second anchoring rib is arranged on the second connecting plate.

Preferably, the first support plate and the second support plate are both L-shaped structures, and the folded edges at the top ends of the first support plate and the second support plate are respectively connected with the first panel and the second panel; the first support plate and the second support plate are symmetrically arranged on two sides above the expansion joint, and the bottom ends of the first support plate and the second support plate are in contact with the bridge plate.

Preferably, the embedded steel bars are of U-shaped structures, the first anchoring bars and the first reinforcing bars are fixedly connected with the embedded steel bars on the bridge plate on one side of the expansion joint through the transverse bars in a binding mode, and the second anchoring bars and the second reinforcing bars are fixedly connected with the embedded steel bars on the bridge plate on the other side of the expansion joint through the transverse bars in a binding mode.

Preferably, the dustproof structure comprises a first baffle and a second baffle, one end of the first baffle is connected with the first support plate, one end of the second baffle is connected with the second support plate, and the first baffle and the second baffle are overlapped at the joint of the first panel and the second panel; the baffle two is located the top of baffle one, and the elasticity supporting shoe is through precompression top tight on baffle one.

Preferably, a filter layer is arranged below the elastic supporting block, and the elastic supporting block is pressed on the waterproof board through the filter layer.

Preferably, both ends of the waterproof board are provided with folded edges which are bent outwards, the filter layer is laminated above the waterproof board, and the waterproof board is fixed on the side surface of the bridge board.

According to the road and bridge expansion joint device with high connection strength, the first anchoring rib is arranged below the first panel, the first reinforcing rib is arranged on the first support plate below the first panel, and the first anchoring rib and the first reinforcing rib are connected with the bridge plate through the embedded steel bars, so that the connection strength of the first panel and the bridge plate is improved. And an anchoring rib II is arranged below the second panel, a reinforcing rib II is arranged on the second support plate, and the second anchoring rib and the second reinforcing rib are also connected with the bridge plate through embedded steel bars, so that the strength of the second panel connected with the bridge plate is improved. Baffle one and the baffle that panel two belows set up have the effect of supporting to the tooth bud, improve the intensity of tooth bud, solve the yielding problem of tooth bud.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment of an expansion joint device for a road bridge with high connection strength according to the present invention;

fig. 2 is a schematic top view of an embodiment of an expansion joint device for a road bridge with high connection strength according to the present invention.

Reference numerals

1. A bridge plate; 2. a bridge deck; 3. post-pouring concrete; 4. a first panel; 5. a second panel; 6. a first baffle plate; 7. a second baffle plate; 8. a first support plate; 9. a second support plate; 10. a first connecting plate; 11. anchoring a rib I; 12. reinforcing ribs I; 13. reinforcing ribs II; 14. transverse ribs; 15. embedding reinforcing steel bars in advance; 16. a second connecting plate; 17. anchoring ribs II; 18. an elastic support block; 19. a filter layer; 20. a waterproof sheet; 21. and (5) tooth bud.

Detailed Description

The technical solution of the present invention is further illustrated by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Examples

Fig. 1 is a schematic cross-sectional structure view of an embodiment of a high connection strength road and bridge expansion joint device according to the present invention, and fig. 2 is a schematic top view of the embodiment of the high connection strength road and bridge expansion joint device according to the present invention. As shown in the figure, the road and bridge expansion joint device with high connection strength comprises a first panel 4 and a second panel 5, wherein the first panel 4 and the second panel 5 are steel plates. The first panel 4 is provided with a tooth bud 21, the second panel 5 is provided with a tooth socket matched with the tooth bud 21, and the tooth bud 21 is positioned in the tooth socket. And a telescopic gap is arranged between the tooth bud 21 and the tooth socket. The arrangement of the tooth buds 21 and the tooth grooves facilitates the matching of the first panel 4 and the second panel 5. The end of the tooth bud 21 is round, so that the strength of the end of the tooth bud 21 is improved, and stress concentration is reduced.

A full-length supporting plate I8 is arranged below the panel I4 along the length direction of the panel I4. The first support plate 8 is of an L-shaped structure, and the folded edge at the top end of the first support plate 8 is fixedly connected with the first panel 4 in a welding mode. The bottom end of the first support plate 8 is in contact with the bridge plate 1, and the first support plate 8 has a supporting effect on the first panel 4, so that the stability of the first panel 4 is improved. The side of the first supporting plate 8 is provided with a plurality of first reinforcing ribs 12 connected with the embedded steel bars 15 of the bridge plate 1, and the lower portion of the first panel 4 is provided with a first anchoring rib 11 connected with the embedded steel bars 15 of the bridge plate 1. The embedded steel bars 15 are of a U-shaped structure, and two ends of the embedded steel bars 15 are embedded in the bridge plate 1. And the anchoring ribs 11 and the reinforcing ribs 12 are fixedly connected with the embedded reinforcing bars 15 on the bridge plate 1 on one side of the expansion joint through the transverse ribs 14 in a bundling manner, and then grouting is carried out to form post-cast concrete 3. The first panel 4 is in contact with the bridge plate 1 through the first anchoring ribs 11 and the first reinforcing ribs 12, and the connection strength of the first panel 4 and the bridge plate 1 is improved. The first anchoring ribs 11 and the first reinforcing ribs 12 are embedded in the post-cast concrete 3, and the connection strength of the first panel 4 and the bridge slab 1 is further improved.

A plurality of first connecting plates 10 are arranged below the first panel 4, and the first connecting plates 10 are perpendicular to the first panel 4 and the first supporting plate 8. The top end of the first connecting plate 10 is connected with the first panel 4, and one end of the first connecting plate 10 is connected with the first support plate 8. The anchoring rib I11 is welded on the side face of the connecting plate I10.

A second through-long supporting plate 9 is arranged below the second panel 5, the second supporting plate 9 is of an L-shaped structure, and the folded edge at the top end of the second supporting plate 9 is fixedly connected with the second panel 5 in a welding mode. The first support plate 8 and the second support plate 9 are symmetrically arranged on two sides above the expansion joint. The bottom end of the second supporting plate 9 is in contact with the bridge plate 1, and the second supporting plate 9 has a supporting effect on the second panel 5, so that the stability of the second panel 5 is improved. The side of the second supporting plate 9 is provided with a plurality of second reinforcing ribs 13 connected with the embedded steel bars 15 of the bridge plate 1, and the lower part of the second panel 5 is provided with a second anchoring rib 17 connected with the embedded steel bars 15 of the bridge plate 1. And the second anchoring ribs 17 and the second reinforcing ribs 13 are fixedly connected with the embedded reinforcing bars 15 on the bridge plate 1 at the other side of the expansion joint in a bundling manner through the transverse ribs 14, and then grouting is performed to form post-cast concrete 3. The second panel 5 is in contact with the bridge plate 1 through the second anchoring rib 17 and the second reinforcing rib 13, so that the connection strength of the second panel 5 and the bridge plate 1 is improved. The post-cast concrete 3 is connected with the bridge slab 1 laid above the bridge slab 1.

A plurality of second connecting plates 16 are arranged below the second panel 5, and the second connecting plates 16 are perpendicular to the second panel 5 and the second supporting plate 9. The top end of the second connecting plate 16 is connected with the second panel 5 in a welding mode, and one end of the second connecting plate 16 is connected with the second support plate 9 in a welding mode. And the second anchoring rib 17 is welded on the side surface of the second connecting plate 16.

And a dustproof structure is arranged at the telescopic gap between the first panel 4 and the second panel 5. The dustproof structure comprises a first baffle plate 6 and a second baffle plate 7, one end of the first baffle plate 6 is connected with a first support plate 8 in a welded mode, and one end of the second baffle plate 7 is connected with a second support plate 9 in a welded mode. The second baffle 7 is positioned above the first baffle 6, and the first baffle 6 and the second baffle 7 are overlapped at the joint of the first panel 4 and the second panel 5. The first baffle 6 and the second baffle 7 prevent sundries on the bridge floor 2 from falling into the expansion joint through the reserved telescopic gap between the first panel 4 and the second panel 5, and on the other hand, the first baffle 6 and the second baffle 7 reinforce the junction of the first panel 4 and the second panel 5, so that the deformation and sinking of the first panel 4 tooth buds 21 caused by frequent extrusion of the vehicle are avoided, and the strength of the junction of the first panel 4 and the second panel 5 is improved.

An elastic supporting block 18 is arranged below the dustproof structure, and the elastic supporting block 18 is tightly pressed on the first baffle plate 6 through pre-compression. The elastic supporting block 18 is made of elastic rubber and has good elastic performance, and the first baffle 6 and the second baffle 7 are tightly pressed and propped against the first panel 4 and the second panel 5 by the elastic supporting block 18, so that the dustproof effect and the supporting effect are improved. The bottom of elastic support block 18 is provided with the steel sheet, and the steel sheet is inlayed in elastic support block 18's inside, is favorable to improving elastic support block 18's intensity.

The water-proof board 20 is arranged at the whole length of the expansion joint, and the water infiltrated into the expansion joint is collected and discharged by the water-proof board 20. The two ends of the waterproof board 20 are provided with folded edges which are bent outwards, and the folded edges are lapped on the bridge boards 1 at the two sides of the expansion joint. The flashing 20 is fixed to the side of the bridge 1 by means of screws. The lower part of the elastic supporting block 18 is pressed above the waterproof board 20, and the installation firmness of the waterproof board 20 is improved.

A filter layer 19 is arranged below the elastic supporting block 18, and the filter layer 19 can be made of filter cotton. The elastic support blocks 18 press the filter layer 19 against the flashing 20. The water that permeates the expansion joint is filtered to the filter pulp, reduces the deposit of aquatic impurity on waterproof board 20, avoids causing waterproof board 20's jam.

Therefore, the high-connection-strength road bridge expansion joint device adopting the structure can solve the problems that the expansion joint device is low in connection strength and easy to warp and damage.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a high joint strength road bridge expansion joint device which characterized in that: the tooth-shaped plate comprises a first panel and a second panel, wherein tooth buds are arranged on the first panel, tooth grooves matched with the tooth buds are formed in the second panel, the tooth buds are positioned in the tooth grooves, and telescopic gaps are formed between the tooth buds and the tooth grooves; a through long first supporting plate is arranged below the first panel along the length direction of the first panel, a plurality of first reinforcing ribs connected with embedded steel bars of the bridge plate are arranged on the side surface of the first supporting plate, and first anchoring ribs connected with the embedded steel bars of the bridge plate are arranged below the first panel; a second through long supporting plate is arranged below the second panel, a plurality of second reinforcing ribs connected with the embedded steel bars of the bridge plate are arranged on the side surface of the second supporting plate, and a second anchoring rib connected with the embedded steel bars of the bridge plate is arranged below the second panel; a dustproof structure is arranged at a telescopic gap between the first panel and the second panel; the below of dustproof construction is provided with the elasticity supporting shoe, and the below of elasticity supporting shoe is pressed in the top of waterproof board, and the setting of waterproof board through length is in expansion joint department.

2. The high connection strength road bridge expansion joint device according to claim 1, wherein: the lower portion of the first panel is provided with a first connecting plate, the first connecting plate is perpendicular to the first panel and the first support plate, the top end of the first connecting plate is connected with the first panel, one end of the first connecting plate is connected with the first support plate, and the first anchoring rib is arranged on the first connecting plate.

3. The high connection strength road bridge expansion joint device according to claim 1, wherein: and a second connecting plate is arranged below the second panel, the second connecting plate is perpendicular to the second panel and the second support plate, the top end of the second connecting plate is connected with the second panel, one end of the second connecting plate is connected with the second support plate, and the second anchoring rib is arranged on the second connecting plate.

4. The high connection strength road bridge expansion joint device according to claim 1, wherein: the first supporting plate and the second supporting plate are both L-shaped structures, and folded edges at the top ends of the first supporting plate and the second supporting plate are respectively connected with the first panel and the second panel; the first support plate and the second support plate are symmetrically arranged on two sides above the expansion joint, and the bottom ends of the first support plate and the second support plate are in contact with the bridge plate.

5. The high connection strength road bridge expansion joint device according to claim 1, wherein: the embedded steel bars are of U-shaped structures, the first anchoring bars and the first reinforcing bars are fixedly connected with the embedded steel bars on the bridge plate on one side of the expansion joint through the transverse bars, and the second anchoring bars and the second reinforcing bars are fixedly connected with the embedded steel bars on the bridge plate on the other side of the expansion joint through the transverse bars.

6. The high connection strength road bridge expansion joint device according to claim 1, wherein: the dustproof structure comprises a first baffle and a second baffle, one end of the first baffle is connected with the first support plate, one end of the second baffle is connected with the second support plate, and the first baffle and the second baffle are overlapped at the joint of the first panel and the second panel; the baffle two is located the top of baffle one, and the elasticity supporting shoe is through precompression top tight on baffle one.

7. The high connection strength road bridge expansion joint device according to claim 1, wherein: the filtering layer is arranged below the elastic supporting block, and the elastic supporting block is pressed on the waterproof board through the filtering layer.

8. The high connection strength road bridge expansion joint device according to claim 7, wherein: the two ends of the waterproof board are provided with folded edges which are bent outwards, the filtering layer is laminated above the waterproof board, and the waterproof board is fixed on the side face of the bridge board.