CN216891960U

CN216891960U - Bridge expansion joint

Info

Publication number: CN216891960U
Application number: CN202123183880.5U
Authority: CN
Inventors: 段延军; 李田元; 梁传德
Original assignee: China Railway 17th Bureau Group Co Ltd
Current assignee: China Railway 17th Bureau Group Co Ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-07-05
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a bridge expansion joint, which relates to the technical field of bridge construction, and has the advantages of reducing accumulated water on a waterstop and increasing waterstop drainage, and the key points of the technical scheme are as follows: including the bridge expansion joint that distributes between first pontic and second pontic, be equipped with the waterstop that distributes along expansion joint length direction between the expansion joint, the both sides of waterstop pass through the connecting piece with the lateral wall at expansion joint and are connected, the intercommunication has a plurality of aqueducts on the waterstop, the vertical distribution of aqueduct just is located the expansion joint.

Description

Bridge expansion joint

Technical Field

The utility model relates to the technical field of bridge construction, in particular to a bridge expansion joint.

Background

The bridge expansion joint is an interval arranged between the ends of two bridge decks, between the end beam ends of the bridge decks and the abutment or at the hinge joint position of the bridge, and aims to adapt to expansion with heat and contraction with cold between the bridge decks or between the bridge decks and the abutment and meet the deformation requirement of the bridge deck. The bridge expansion joint can freely expand and contract in two directions parallel to and perpendicular to the axis of the bridge, and a bridge expansion device is also arranged to realize the connection of the bridge deck. The water stop is arranged below the bridge expansion device, is a waterproof structure of the bridge expansion joint, is generally formed by a groove-shaped sealing rubber belt, extends along the width direction of the bridge, and is used for leading water to two sides of the width direction of the bridge and discharging the water.

But because the gap has between bridge telescoping device's the fishback, the condition of debris, earth infiltration waterstop inevitably can appear in the use, causes the waterstop to block up easily, produces ponding, probably leads to the waterstop to drop under the action of gravity of ponding, leads to waterproof inefficacy.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical defects, the utility model aims to provide a bridge expansion joint which has the advantages of reducing accumulated water on a waterstop and increasing the drainage of the waterstop.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a bridge expansion joint which comprises a bridge expansion joint distributed between a first bridge body and a second bridge body, wherein water stop belts distributed along the length direction of the expansion joint are arranged between the expansion joints, two sides of each water stop belt are connected with the side walls of the expansion joint through connecting pieces, a plurality of water guide pipes are communicated with the water stop belts, and the water guide pipes are vertically distributed and positioned in the expansion joint.

Through adopting above-mentioned technical scheme, the aqueduct setting has increased the drainage effect of waterstop on the waterstop, and if when ponding was serious on a section waterstop, water need not arrange first pontic and second pontic width direction both sides along waterstop length direction, only needs rivers to nearest aqueduct, can discharge required position.

Preferably, the aqueduct is a flexible pipe, the waterstop is provided with a connecting hole for the aqueduct to penetrate through, and the upper end of the aqueduct is provided with an annular clamping plate for limiting the aqueduct to move out of the waterstop.

Preferably, the connecting piece includes the angle bar of setting in the waterstop both sides, the angle bar includes horizontal plate and vertical board, the horizontal plate is connected with first pontic and second pontic respectively, vertical board compresses tightly the both sides of waterstop in the side of first pontic or second pontic.

Preferably, the upper ends of the two sides of the water stop are provided with U-shaped connecting plates, the connecting plates are sleeved at the upper ends of the vertical plates, one sides of the connecting plates are located between the vertical plates and the first bridge body or the second bridge body, and the other sides of the connecting plates are located at the other sides of the vertical plates and distributed along the length direction of the vertical plates.

Preferably, a position where the upper end face of the vertical plate abuts against the connecting plate is provided with a limiting piece for reducing the tendency of the connecting plate to move towards the direction of the water stop belt.

Preferably, the limiting part comprises a limiting block arranged on the upper end face of the vertical plate, the limiting block is a right-angled triangular block, the bevel edge of the limiting block deviates from the water stop belt and is distributed, and a clamping hole for the limiting block to enter is formed in the connecting plate.

Preferably, the lower end of each water guide pipe is communicated with a drain pipe, the drain pipes are distributed along the length direction of the water stop belt, and the drain pipes are flexible pipes.

The utility model has the beneficial effects that: the aqueduct sets up the drainage effect that has increased the waterstop on the waterstop, and if when certain section waterstop goes up ponding seriously, water need not arrange first pontic and second pontic width direction both sides along waterstop length direction, only need rivers to nearest aqueduct, can discharge required position.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 drawings without creative efforts.

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

FIG. 2 is an enlarged view of the portion A in FIG. 1;

fig. 3 is a schematic structural diagram of the card embodying board of this embodiment.

Description of reference numerals:

In the figure: 1. a first bridge body; 11. a second bridge; 12. expansion joints; 13. a water stop; 131. a water conduit; 132. connecting holes; 133. clamping a plate; 14. a horizontal plate; 141. a vertical plate; 15. a connecting plate; 151. a limiting block; 152. a clamping hole; 16. and a water discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a bridge expansion joint, as shown in fig. 1 and fig. 2, including the bridge expansion joint 12 of distributing between first pontic 1 and second pontic 11, be equipped with the waterstop 13 along the 12 length direction distribution of expansion joint between the expansion joint 12, the both sides of waterstop 13 pass through the connecting piece with the lateral wall of expansion joint 12 and are connected, the intercommunication has a plurality of aqueducts 131 on the waterstop 13, aqueduct 131 vertical distribution just is located the expansion joint 12, the one end that waterstop 13 was kept away from to aqueduct 131 extends to expansion joint 12 lower extreme face. A gap is formed between the outer wall of the water conduit 131 and the side wall of the expansion joint 12.

As shown in fig. 1 and fig. 2, the water conduit 131 is disposed on the water stop 13 to increase the drainage effect of the water stop 13, and if water is accumulated on a section of the water stop 13 seriously, water does not need to be drained to both sides of the first bridge body 1 and the second bridge body 11 in the width direction along the length direction of the water stop 13, and only water needs to flow to the nearest water conduit 131, so that water can be drained to a desired position.

As shown in fig. 1 and fig. 3, the water conduit 131 is a flexible pipe, which facilitates reducing the weight of the water conduit 131 and facilitating deformation of the water conduit 131, the water stop 13 is provided with a connecting hole 132 for the water conduit 131 to pass through, and the upper end of the water conduit 131 is provided with a ring-shaped clamping plate 133 for limiting the water conduit 131 to move out of the water stop 13. At this time, when the water guide pipe 131 is installed, the water stop 13 is inserted through the connection hole 132 until the clamping plate 133 abuts against the upper end face of the water stop 13, thereby restricting the position of the water guide pipe 131. Furthermore, the water conduit 131 may be fixedly connected to the water stop 13. And selecting an installation mode according to requirements.

As shown in fig. 1 and fig. 2, the connecting member includes angle irons disposed on both sides of the water stop 13, the angle irons include horizontal plates 14 and vertical plates 141, the horizontal plates 14 are respectively connected with the first bridge body 1 and the second bridge body 11, that is, the horizontal plates 14 enter the first bridge body 1 or the second bridge body 11, and the vertical plates 141 press both sides of the water stop 13 against the side surfaces of the first bridge body 1 or the second bridge body 11. So that the position of the water stop 13 is fixed.

As shown in fig. 1 and fig. 2, the upper ends of both sides of the water stop 13 are provided with U-shaped connecting plates 15, the connecting plates 15 are sleeved on the upper ends of the vertical plates 141, one side of each connecting plate 15 is located between the vertical plate 141 and the first bridge body 1 or the second bridge body 11, and the other side is located on the other side of the vertical plate 141 and distributed along the length direction of the vertical plate 141. The connection plate 15 is disposed at this time so that the positions where the connection plate 15 collides with the vertical plate 141 are distributed along the vertical plate 141, so that the position of the water stop 13 is fixed.

As shown in fig. 1 and 2, a position where the upper end surface of the vertical plate 141 abuts against the connecting plate 15 is provided with a stopper for reducing a tendency of the connecting plate 15 to move toward the water stop 13. The limiting member reduces the water on the water stop 13 to a large amount, so that the connecting plate 15 is broken when the tensile force generated between the connecting plate 15 and the vertical plate 141 is large.

As shown in fig. 1 and fig. 2, the limiting member includes a limiting block 151 disposed on the upper end surface of the vertical plate 141, the limiting block 151 is a right-angled triangle, the bevel edge of the limiting block 151 deviates from the water stop belt 13 and is distributed, and a clamping hole 152 for the limiting block 151 to enter is disposed on the connecting plate 15. At this time, the stopper 151 reduces the movement tendency of the connection plate 15 toward the water stop 13, and generates resistance to the movement of the connection plate 15 toward the water stop 13.

As shown in fig. 1 and 2, the lower end of each water conduit 131 is connected to a water discharge pipe 16, the water discharge pipes 16 are distributed along the length direction of the water stop 13, and the water discharge pipe 16 is a flexible pipe. The water outlet of the water discharge pipe 16 is located at two sides of the water discharge pipe 16, namely, at two sides of the first bridge body 1 and the second bridge body 11 in the width direction, and the water discharge pipe 16 is arranged to collect and discharge water in each water guide pipe 131.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A bridge expansion joint comprises bridge expansion joints (12) distributed between a first bridge body (1) and a second bridge body (11), wherein water stop belts (13) distributed along the length direction of the expansion joints (12) are arranged between the expansion joints (12), the bridge expansion joint is characterized in that two sides of the water stop belts (13) are connected with the side walls of the expansion joints (12) through connecting pieces, the water stop belts (13) are communicated with a plurality of water guide pipes (131), and the water guide pipes (131) are vertically distributed and positioned in the expansion joints (12);

The water guide pipe (131) is a flexible pipe, a connecting hole (132) for the water guide pipe (131) to penetrate out is formed in the water stop (13), and an annular clamping plate (133) for limiting the water guide pipe (131) to move out of the water stop (13) is arranged at the upper end of the water guide pipe (131).

2. A bridge expansion joint according to claim 1, characterized in that the connecting member comprises angle bars arranged on both sides of the water stop (13), the angle bars comprising a horizontal plate (14) and a vertical plate (141), the horizontal plate (14) being connected to the first bridge body (1) and the second bridge body (11), respectively, and the vertical plate (141) pressing both sides of the water stop (13) against the side of the first bridge body (1) or the second bridge body (11).

3. A bridge expansion joint according to claim 2, wherein the upper ends of both sides of the water stop (13) are provided with U-shaped connecting plates (15), the connecting plates (15) are sleeved on the upper ends of the vertical plates (141), one side of each connecting plate (15) is located between the vertical plate (141) and the first bridge body (1) or the second bridge body (11), and the other side is located on the other side of the vertical plate (141) and is distributed along the length direction of the vertical plate (141).

4. A bridge expansion joint according to claim 3, wherein the position where the upper end surface of the vertical plate (141) is abutted against the connecting plate (15) is provided with a limiting member for reducing the tendency of the connecting plate (15) to move towards the direction of the water stop (13).

5. The bridge expansion joint according to claim 4, wherein the limiting member comprises a limiting block (151) arranged on the upper end surface of the vertical plate (141), the limiting block (151) is a right-angled triangular block, the inclined edge of the limiting block (151) is distributed away from the water stop belt (13), and a clamping hole (152) for the limiting block (151) to enter is formed in the connecting plate (15).

6. A bridge expansion joint according to claim 1, wherein the lower end of each water conduit (131) is connected with a drain pipe (16), the drain pipes (16) are distributed along the length direction of the water stop (13), and the drain pipes (16) are flexible pipes.