CN209816647U

CN209816647U - Bridge expansion joint

Info

Publication number: CN209816647U
Application number: CN201920250568.7U
Authority: CN
Inventors: 王国昀; 张艳梅; 吴志芳; 胡晓晔; 李翠茹; 何永成
Original assignee: Hebei Ruichi Traffic Engineering Consulting Co Ltd
Current assignee: Hebei Ruichi Traffic Engineering Consulting Co Ltd
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2019-12-20
Anticipated expiration: 2029-02-27

Abstract

The utility model discloses a bridge expansion joint relates to bridge engineering technical field, has solved the rainwater and has caused the technical problem of influence to its structure in flowing into the expansion joint. Its technical essential includes that a plurality of shaped steel, fixed connection that the interval set up are adjacent tie-beam and fixed connection on the shaped steel lateral wall are adjacent in the strengthening rib of outside shaped steel both sides lateral wall face, adjacent the draw-in groove has been seted up to the symmetry on the relative lateral wall top surface of shaped steel, the draw-in groove is seted up along the length direction of shaped steel, the guiding board has been placed in the draw-in groove joint, guiding board is located shaped steel length direction's both ends edge extends the shaped steel outer end, the utility model has the advantages of promote bridge expansion joint drainage effect, guarantee bridge expansion joint structure.

Description

Bridge expansion joint

Technical Field

The utility model relates to a bridge engineering technical field, more specifically say, it relates to a bridge expansion joint.

Background

The Chinese patent with the publication number of CN207295431U discloses a bridge expansion joint, which comprises a beam body, a concrete pouring layer, connecting plates, reinforcing ribs and sealing strips, wherein the concrete pouring layer is laid on the beam body to form a bearing beam, the reinforcing ribs are pre-embedded in the beam body and the concrete pouring layer, the bearing beam comprises a first bearing body and a second bearing body which are arranged in parallel, the connecting plates are arranged on the first bearing body and the second bearing body, gaps are arranged between the first bearing body and the second bearing body, the sealing strips are connected between two adjacent connecting plates, and the gaps between the first bearing body and the second bearing body are connected.

Similar to the above bridge expansion joint in the prior art, when the first bearing body or the second bearing body is affected by the environment and undergoes volume contraction or expansion, the gap between the first bearing body and the second bearing body is adjusted by stretching or compressing the sealing tape, so that the bearing capacity of the bearing bodies can be ensured, and the function of telescopic adjustment can be achieved.

The above prior art solutions have the following drawbacks: since the bridge expansion joints are generally exposed on the bridge floor, rainwater on the bridge may flow into the expansion joints in a rainy weather environment, and the rainwater accumulated in the expansion joints may corrode a reinforcing steel bar structure of the bridge expansion joints, thereby affecting the structure of the bridge expansion joints.

SUMMERY OF THE UTILITY MODEL

To the technical problem that has now, an object of the utility model is to provide a bridge expansion joint, it has the drainage effect of promotion bridge expansion joint, guarantees bridge expansion joint structure's advantage.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a bridge expansion joint, includes that a plurality of shaped steel, fixed connection that the interval set up are adjacent tie-beam and fixed connection on the shaped steel lateral wall are in the strengthening rib of outside shaped steel both sides wall face, and are adjacent the draw-in groove has been seted up to the symmetry on the relative lateral wall top surface of shaped steel, the draw-in groove is seted up along the length direction of shaped steel, the water deflector has been placed in the joint in the draw-in groove, the tip that the water deflector is located shaped steel length direction extends the shaped steel outer.

Through adopting above-mentioned technical scheme, shaped steel still plays the supporting role to the vehicle of bridge surface process when being used for realizing the flexible deformation effect between the adjacent roof beam body of bridge. The strengthening rib is used for guaranteeing the stability of shaped steel mounted position on the bridge roof beam body. The water guide plate is arranged in the adjacent section steel upper clamping groove in a clamping and connecting mode and used for receiving water flowing into the expansion joint in a rainy day environment, the water flow is guided to the outer side of the bridge along the length direction of the section steel, the drainage effect of the bridge expansion joint on the bridge is improved, meanwhile, the influence of rainwater on corrosion of the reinforcing ribs in the expansion joint is avoided, and the structural integrity of the bridge expansion joint is guaranteed.

The utility model discloses further set up to: the clamping groove is rectangular groove-shaped, is positioned on the top surface of the profile steel and extends to the side wall surface of the profile steel close to the adjacent profile steel, and the bottom surface of the clamping groove close to the adjacent profile steel is obliquely provided with an extending groove; the water guide plate comprises a pair of clamping plates horizontally clamped in the clamping grooves, a pair of inclined plates which are integrally connected to the clamping plates and the surfaces of which incline downwards towards one side of the adjacent section steel, and a guide plate which is horizontally fixed at the lower end of the pair of inclined plates.

Through adopting above-mentioned technical scheme, the water deflector comprises deflector and the hang plate that is located the long limit both sides setting of deflector and joint board, and the horizontally joint board is used for cooperating in order to guarantee the stability of water deflector position between shaped steel with the draw-in groove joint. The inclined plate is arranged to improve the rainwater receiving efficiency of the water guide plate, and the guide plate is matched with the guide plate to ensure the rainwater guide and discharge effect of the water guide plate.

The utility model discloses further set up to: the draw-in groove is provided with a plurality ofly with the extending groove along the length direction of shaped steel equidistant, the joint board is provided with a plurality ofly along its length direction equally with the both sides that the hang plate is located the deflector.

Through adopting above-mentioned technical scheme, the equidistant stability that is used for guaranteeing the water deflector in shaped steel length direction position that sets up of extending groove and draw-in groove avoids the water deflector to slide along the length direction of shaped steel and influences the normal use on bridge road surface.

The utility model discloses further set up to: the guide plate is provided with inclined plates which are inclined at two sides of the plate surface extending out of two ends of the section steel in the length direction.

Through adopting above-mentioned technical scheme, the ascending both sides tip of deflector length direction sets up the hang plate and is used for carrying on spacingly to the rainwater of drainage on the deflector, guarantees the rainwater along deflector outflow expansion joint.

The utility model discloses further set up to: the width of the surface of the guide plate extending out of the two ends of the section steel is gradually reduced towards one side far away from the end part of the section steel, so that the end surfaces of the two sides of the guide plate are in an isosceles trapezoid plate shape.

Through adopting above-mentioned technical scheme, the both sides tip on the deflector length direction reduces the setting of cooperation hang plate gradually, to the rainwater on the deflector to deflector both sides drainage direction, guarantees that the outflow position of rainwater keeps away from the expansion joint, further promotes the drainage effect at expansion joint.

The utility model discloses further set up to: the connecting beam is located the bottom surface fixed connection that the shaped steel kept away from bridge surface one side, just the width of connecting beam is the same with the total width of a plurality of shaped steel.

Through adopting above-mentioned technical scheme, tie-beam fixed connection is in the shaped steel bottom surface, when guaranteeing the supporting effect of shaped steel bridge road surface vehicle, promotes the structural stability between a plurality of shaped steel to improve the result of use at expansion joint.

The utility model discloses further set up to: the strengthening rib includes that one end fixed connection personally submits anchor reinforcing bar, a plurality of being on a parallel with that the U type level set up in the shaped steel lateral wall shaped steel just passes and fixed connection in the horizontal reinforcement that the anchor reinforcing bar encloses into the space and along vertical direction fixed connection in a plurality of horizontal reinforcement and stretch into the internal reservation reinforcing bar of bridge beam.

Through adopting above-mentioned technical scheme, the anchor reinforcing bar is used for promoting the structural strength of shaped steel self, and the horizontal reinforcement is used for cooperating the stability that the anchor reinforcing bar guaranteed shaped steel position in the bridge roof beam body with the reservation reinforcing bar, guarantees the normal result of use at expansion joint.

The utility model discloses further set up to: a plurality of lie in the lateral wall face of most avris shaped steel in the shaped steel and go up the horizontal extension and be fixed with the reinforcing plate, the horizontal fixed connection of one end of anchor reinforcing bar in the reinforcing plate is kept away from on the bottom surface of bridge surface one side.

Through adopting above-mentioned technical scheme, the reinforcing plate is used for promoting the area of contact of shaped steel and anchor reinforcing bar, further guarantees the structural strength of expansion joint self and the stability of being connected with the bridge.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the drainage effect of the bridge expansion joint is improved by arranging the water guide plates between the adjacent profile steels;

(2) the stability of the position of the water guide plate on the profile steel is ensured through the clamping arrangement of the water guide plate and the clamping groove;

(3) the stability of the position structure of the expansion joint in the bridge body is ensured by the matching and fixing of the anchoring reinforcing steel bars, the horizontal reinforcing steel bars and the reserved reinforcing steel bars.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic diagram of a partial explosion structure of the present embodiment;

FIG. 3 is a schematic view of the bottom structure of the projection display in this embodiment.

Reference numerals: 1. section steel; 11. a card slot; 12. an extension groove; 13. a reinforcing plate; 2. a connecting beam; 3. reinforcing ribs; 31. anchoring the reinforcing steel bars; 32. horizontal reinforcing steel bars; 33. reserving a steel bar; 4. a water guide plate; 41. a guide plate; 42. an inclined plate; 43. the joint board.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The embodiment, a bridge expansion joint, as shown in the figure, including a plurality of shaped steel 1 that the interval set up, fixed connection is in tie-beam 2 and fixed connection on 1 lateral wall of adjacent shaped steel 3 in the strengthening rib of 1 both sides wall face of outside shaped steel, draw-in groove 11 has been seted up to the symmetry on the relative lateral wall top surface of adjacent shaped steel 1, draw-in groove 11 is seted up along shaped steel 1's length direction, draw-in groove 11 internal joint has placed water deflector 4, water deflector 4 is located 1 length direction's of shaped steel both ends along extending 1 outer end of shaped steel.

As shown in fig. 1 and 2, in the embodiment, the number of the section steels 1 is three, the connecting beams 2 are welded and fixed to the bottom surfaces, far away from the clamping grooves 11, of the connecting beams 2 in a rectangular block shape, the length of the connecting beams 2 is the same as the total width of the three section steels 1 arranged at intervals, and the length direction of the connecting beams 2 is perpendicular to the length direction of the section steels 1. The clamping grooves 11 are rectangular grooves and are formed in the top surface of the section steel 1 and horizontally extend to the side wall surface relative to the adjacent section steel 1, and the clamping grooves 11 are arranged in the length direction of the section steel 1 at equal intervals. The clamping groove 11 is provided with an extending groove 12 close to the groove bottom surface of the adjacent section steel 1 in an inclined mode, and the inclined direction of the extending groove 12 faces downwards towards one side of the adjacent section steel 1 in an inclined mode.

As shown in fig. 1 and 2, the water guide panel 4 includes a guide panel 41 disposed horizontally, an inclined panel 42 disposed at both sides of the guide panel 41 and integrally inclined, and a latch panel 43 disposed at a high end of the inclined panel 42 and extending horizontally along a side wall. The inclined direction of the inclined plate 42 is the same as the inclined direction of the extending groove 12, the clamping plate 43 is jointed and clamped in the clamping groove 11, the inclined plate 42 is jointed with the inclined groove wall of the extending groove 12, and the connecting surface of the water guide plate 4 and the clamping groove 11 is welded and fixed after the water guide plate 4 is placed in the clamping groove 11. The both ends level of deflector 41 extends to the shaped steel 1 outside, and its width that stretches out shaped steel 1 tip face reduces to keeping away from shaped steel 1 one side along the length direction of deflector 41 gradually for the both ends face of deflector 41 is isosceles trapezoid shape, and the same slope of being provided with hang plate 42 on the two long limit lateral walls that stretch out the end of deflector 41.

As shown in FIGS. 2 and 3, a reinforcing plate 13 is horizontally extended and fixed on the side wall surfaces of two steel sections 1 located at the outermost sides among the three steel sections 1, and the bottom surface of the reinforcing plate 13 is flush with the bottom surface of the steel section 1. The reinforcing rib 3 comprises an anchoring reinforcing steel bar 31 with one end fixedly connected to the side wall of the section steel 1 and arranged in a U-shaped horizontal mode, a plurality of horizontal reinforcing steel bars 32 parallel to the section steel 1 and penetrating through and fixedly connected to the space formed by the anchoring reinforcing steel bar 31, and reserved reinforcing steel bars 33 fixedly connected to the horizontal reinforcing steel bars 32 in the vertical direction and extending into the bridge body. The number of horizontal reinforcing bar 32 is two in this embodiment, and even a horizontal reinforcing bar 32 is located same horizontal plane and sets up, and the other end level fixed connection of anchor reinforcing bar 31 is on the bottom surface of reinforcing plate 13 keeping away from bridge surface one side.

The utility model has the advantages as follows: the water deflector 4 that the joint was placed between adjacent shaped steel 1 is used for flowing into the rivers in the expansion joint under the rainy day environment and accepts to the length direction drainage to the bridge outside along shaped steel 1 has promoted the drainage effect of bridge expansion joint to the bridge, has also avoided the rainwater to cause influences such as corruption to strengthening rib 3 in getting into the expansion joint simultaneously, has guaranteed the complete structure at bridge expansion joint.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a bridge expansion joint, includes that a plurality of shaped steel (1), fixed connection that the interval set up are adjacent tie-beam (2) and fixed connection in strengthening rib (3) of outside shaped steel (1) both sides wall face on shaped steel (1) lateral wall, its characterized in that: adjacent draw-in groove (11) have been seted up to the symmetry on the relative lateral wall top surface of shaped steel (1), draw-in groove (11) are seted up along the length direction of shaped steel (1), clamping has placed water guide plate (4) in draw-in groove (11), water guide plate (4) are located shaped steel (1) length direction's tip along extending shaped steel (1) outer end.

2. A bridge expansion joint according to claim 1, wherein: the clamping groove (11) is in a rectangular groove shape, is positioned on the top surface of the section steel (1) and is extended and communicated to the side wall surface of the section steel (1) close to the adjacent section steel (1), and the clamping groove (11) is obliquely provided with an extending groove (12) close to the groove bottom surface of the adjacent section steel (1); the water guide plate (4) comprises a pair of clamping plates (43) horizontally clamped in the clamping grooves (11), a pair of inclined plates (42) which are integrally connected to the clamping plates (43) and the surfaces of which incline downwards towards one side of the adjacent section steel (1), and guide plates (41) which are horizontally fixed at the lower end positions of the inclined plates (42).

3. A bridge expansion joint according to claim 2, wherein: the clamping grooves (11) and the extension grooves (12) are arranged at equal intervals along the length direction of the section steel (1), and the clamping plates (43) and the inclined plates (42) are arranged on two sides of the guide plate (41) at equal intervals along the length direction of the guide plate.

4. A bridge expansion joint according to claim 3, wherein: the two sides of the plate surface of the guide plate (41) extending out of the two ends of the section steel (1) in the length direction are also obliquely provided with inclined plates (42).

5. A bridge expansion joint according to claim 4, wherein: the width of the plate surface of the guide plate (41) extending out of the two ends of the section steel (1) is gradually reduced towards one side far away from the end part of the section steel (1), so that the end surfaces of the two sides of the guide plate (41) are in an isosceles trapezoid plate shape.

6. A bridge expansion joint according to claim 1, wherein: the connecting beam (2) is located at the bottom surface of one side, away from the surface of the bridge, of the section steel (1) and is fixedly connected with the bottom surface, and the width of the connecting beam (2) is the same as the total width of the section steel (1).

7. A bridge expansion joint according to claim 1, wherein: strengthening rib (3) include that one end fixed connection personally submits anchor reinforcing bar (31), a plurality of being on a parallel with that the U type level set up in shaped steel (1) lateral wall shaped steel (1) just passes and fixed connection encloses horizontal reinforcing bar (32) in the space that becomes in anchor reinforcing bar (31) and follow vertical direction fixed connection in a plurality of horizontal reinforcing bar (32) and stretch into interior reservation reinforcing bar (33) of bridge beam.

8. A bridge expansion joint according to claim 7, wherein: a plurality of lie in the lateral wall face of most avris shaped steel (1) in shaped steel (1) on the level extend be fixed with reinforcing plate (13), the horizontal fixed connection of one end of anchor reinforcing bar (31) in reinforcing plate (13) keep away from on the bottom surface of bridge surface one side.