Waterproof structure of bridge joint

Abstract

The utility model discloses a waterproof structure of a bridge joint, which belongs to the technical field of bridge waterproofing, and comprises a gap, an adhesive is fixedly connected with the inner part of the gap close to the side edge, a water stop strip is filled in the adhesive, the top of the gap is fixedly connected with a cover plate, and the top of the cover plate is fixedly connected with a waterproof layer. A set of water inlet holes are formed in the bottom of the cover plate, water guide grooves are formed in the two sides of the water inlet holes, a drainage groove is formed in one side of each water guide groove, a sealing block is slidably connected to the interior of each water guide groove, and a filtering mechanism is arranged at the end, close to the outer side, of each drainage groove and comprises a connecting cylinder. According to the bridge drainage device, seepage water can be drained in time, the problem of water accumulation at bridge joints is solved, the bridge safety is improved, a filtering assembly is arranged, external impurities can be filtered, the problem that hole grooves are blocked is solved, and smooth drainage work is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge waterproof technical field more specifically, relate to a waterproof structure of bridge joint. BACKGROUND

[0002] The existing high -speed railway bridge adopts the box girder structure, and the beam body adopts the cast -in -situ concrete to connect the beam blocks into a whole, therefore, there is a wet joint between the concrete blocks, the wet joint is an important connecting part in the concrete box girder bridge structure, and its connecting mode directly influences the structural stability and bearing capacity of the whole bridge, therefore, it is necessary to set up waterproof structure, reduce the seepage problem of gap, improve the bridge safety.

[0003] Based on the above, the present inventor found that: the existing waterproof structure mainly carries out gap waterproof through the way of filling waterproof material, but the coming and going of vehicles on the bridge and long-term rainwater soaking can easily lead to the reduction of waterproof material effect, and once the rainwater penetrates into the gap, it cannot be discharged in time, which affects the bridge safety, and the joints of the bridge need to be waterproofed frequently, therefore, in view of the above, the existing structure is researched and improved, a waterproof structure of bridge joint is provided, so as to achieve the purpose of having more practical value. CONTENT OF THE UTILITY MODEL

[0004] 1. TECHNICAL PROBLEM TO BE SOLVED

[0005] In view of the problems in the prior art, the purpose of the utility model is to provide a waterproof structure of bridge joint, the automatic drainage structure in the scheme can discharge the seepage water in time, reduce the water accumulation problem of bridge joint, improve the bridge safety, and the filter assembly can filter the external impurities, avoid the plugging problem of hole and groove, and ensure the smooth progress of drainage work.

[0006] 2. TECHNICAL SCHEME

[0007] In order to solve the above problems, the utility model adopts the following technical scheme.

[0008] A waterproof structure of bridge joint, including gap, the inside of gap is fixedly connected with adhesive agent on the side, the inside of adhesive agent is filled with water stop, the top of gap is fixedly connected with cover plate, a group of water inlet holes are arranged in the bottom of cover plate, water guide grooves are arranged on the both sides of water inlet hole, a drainage groove is arranged on the side of water guide groove, and sealing block is slidably connected in the inside of water guide groove, and filter mechanism is arranged at the outer side of one end of drainage groove.

[0009] The filter mechanism includes a connecting cylinder, a filter screen is fixedly connected in the inside of one end of the connecting cylinder, and a group of bolts are screw-connected on the side of one end of the connecting cylinder.

[0010] Further, the material of the water stop strip is a filled foam soaked with foamed polyurethane, and the top end of the water stop strip is located inside the water inlet hole.

[0011] Further, the water guide groove and the water drainage groove are both arranged in an inclined manner, and the water guide groove and the water drainage groove are connected in a penetrating manner.

[0012] Further, the diameter of the hole below the water guide groove is larger than the diameter of the hole above the water guide groove, and the bottom end of the water drainage groove penetrates the side edge of the cover plate.

[0013] Further, the sealing block is located at the connection position of the water guide groove and the water drainage groove, and one side of the sealing block is fixedly connected with a return spring.

[0014] Further, one end of the return spring, which is away from the sealing block, is fixedly connected with the inner surface of the water guide groove.

[0015] Further, the connecting cylinder is located inside the water drainage groove, and the bolt is threadedly connected with the cover plate through the connecting cylinder.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] (1) The water stop strip is expanded when water is encountered, and is limited by the cover plate, so that the water in the water stop strip is squeezed out, the water enters the water guide groove inside the water inlet hole, and the sealing block is squeezed and slides outward, then the water flows into the water drainage groove and is discharged through the connecting cylinder, and when the water seepage is reduced, the sealing block is reset under the action of the return spring, compared with the prior art, the automatic drainage structure is arranged, the water seepage can be discharged in time, the water accumulation problem at the bridge joint is reduced, and the bridge safety is improved.

[0019] (2) The filter mechanism is arranged, the filter screen filters the external sundries, avoids the problem that the external sundries enter the water drainage groove and cause the blockage problem, and the filter screen can be installed and removed through the bolt, the filter element can be replaced conveniently, compared with the prior art, the filter assembly is arranged, the external sundries can be filtered, the blockage problem of the hole groove is avoided, and the smooth drainage work is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a partial structure schematic view of the cover plate of the utility model;

[0022] Figure 3 It is a structure schematic view of the sealing block of the utility model;

[0023] Figure 4The utility model discloses a filter mechanism's structural diagram.

[0024] Mark explanation in drawing: 1, slit; 2, adhesive; 3, cover plate; 4, waterstop; 5, water inlet hole; 6, water guide groove; 7, drainage groove; 8, sealing block; 9, filter mechanism; 10, return spring; 11, connecting cylinder; 12, filter screen; 13, bolt. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by the ordinary skilled in the art without creative work based on the embodiments in the utility model belong to the range of the utility model protection. EMBODIMENT

[0026] Please refer to Figures 1-4 A kind of waterproof structure of bridge joint, including slit 1, adhesive 2 is fixedly connected in the inside of slit 1 by side edge, waterstop 4 is filled in the inside of adhesive 2, cover plate 3 is fixedly connected at the top of slit 1, a group of water inlet holes 5 are set in the bottom of cover plate 3, water guide groove 6 is set in the two sides of water inlet hole 5, drainage groove 7 is set in the side of water guide groove 6, and sealing block 8 is slidably connected in the inside of water guide groove 6, and filter mechanism 9 is provided at the end of drainage groove 7 by outside side;

[0027] Filter mechanism 9 includes connecting cylinder 11, filter screen 12 is fixedly connected in the end of connecting cylinder 11 by inside, and a group of bolts 13 are threadedly connected in the end of connecting cylinder 11 by side edge, to avoid the problem of plugging of groove, filter mechanism 9 is provided.

[0028] Please refer to Figure 1 The material of waterstop 4 is the wadding of foamed polyurethane after soaking, and the top end of waterstop 4 is in the inside of water inlet hole 5, first evenly smears adhesive 2 on the inside of slit 1, then fills waterstop 4 into the inside of slit 1, and is fixed by adhesive 2, finally fixes cover plate 3 in the inside of slit 1, so that the top of waterstop 4 enters the inside of water inlet hole 5, and cover plate 3 cooperates with waterstop 4 to play a waterproof role.

[0029] Please refer to Figure 2 Two water guide grooves 6 and drainage groove 7 are arranged in an inclined manner, and water guide groove 6 and drainage groove 7 are connected in penetration, once the problem of penetration occurs, waterstop 4 expands when encountering water, is limited by cover plate 3, so that water enters the inside of water guide groove 6 along water inlet hole 5.

[0030] Please refer to Figure 2, the aperture below the water guide groove 6 is larger than the aperture above the water guide groove 6, the bottom end of the drainage groove 7 penetrates the side edge of the cover plate 3, the moisture impacts the sealing block 8 to slide outward, then the moisture flows into the drainage groove 7 and is discharged through the connecting cylinder 11.

[0031] Referring to Figure 3 The sealing block 8 is located at the joint of the water guide groove 6 and the drainage groove 7, and one side of the sealing block 8 is fixedly connected with the reset spring 10, and the movement of the sealing block 8 compresses the reset spring 10 to deform.

[0032] Referring to Figure 3 The end of the reset spring 10 away from the sealing block 8 is fixedly connected with the inner surface of the water guide groove 6, and the sealing block 8 resets under the action of the reset spring 10 when the water seepage is reduced.

[0033] Referring to Figure 4 The connecting cylinder 11 is located inside the drainage groove 7, the bolt 13 penetrates the connecting cylinder 11 and is threadedly connected with the cover plate 3, the external sundries are filtered through the filter screen 12 to avoid the blockage problem caused by entering the inside of the drainage groove 7, and the connecting cylinder 11 and the filter screen 12 can be installed and removed through the bolt 13, so that the filter element can be conveniently replaced.

[0034] In use: the inside of the gap 1 is evenly smeared with the adhesive 2, then the waterstop 4 is filled into the inside of the gap 1 and is fixed through the adhesive 2, finally the cover plate 3 is fixed in the inside of the gap 1, so that the top of the waterstop 4 enters the water inlet hole 5, and the cover plate 3 cooperates with the waterstop 4 to play a waterproof role, once water seepage occurs, the waterstop 4 swells when meeting water, and is limited by the cover plate 3, so that the water in the inside of the waterstop 4 is squeezed out, the water enters the water guide groove 6 through the water inlet hole 5, the moisture impacts the sealing block 8 to slide outward, then the moisture flows into the drainage groove 7 and is discharged through the connecting cylinder 11, the external sundries are filtered through the filter screen 12 to avoid the blockage problem caused by entering the inside of the drainage groove 7, and the connecting cylinder 11 and the filter screen 12 can be installed and removed through the bolt 13, so that the filter element can be conveniently replaced, and the end of the reset spring 10 away from the sealing block 8 is fixedly connected with the inner surface of the water guide groove 6, and the sealing block 8 resets under the action of the reset spring 10 when the water seepage is reduced, so that the water seepage can be discharged in time and the water accumulation problem at the bridge joint is reduced.

[0035] Finally, it should be noted that in the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0036] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term " set ", " install ", " link ", " connect " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integral connection, can be mechanical connection, also can be electrical connection, can be direct connection, also can indirectly connect through the intermediate medium, can be two elements inside the communication.

[0037] The above merely provides the preferred embodiments of the present application; the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme of the present application and its improved conception, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A waterproof structure for a bridge joint, comprising a gap (1), wherein an adhesive (2) is fixedly connected to the inside of the gap (1) on its side, a waterstop strip (4) is filled inside the adhesive (2), and a cover plate (3) is fixedly connected to the top of the gap (1), characterized in that: The bottom of the cover plate (3) is provided with a group of water inlet holes (5), both sides of the water inlet holes (5) are provided with water guide grooves (6), one side of the water guide grooves (6) is provided with a water drainage groove (7), and the inside of the water guide grooves (6) is slidably connected with a sealing block (8), and the outer side of the water drainage groove (7) is provided with a filter mechanism (9). The filter mechanism (9) comprises a connecting cylinder (11), one end of the connecting cylinder (11) is fixedly connected with a filter screen (12) inside, and one end of the connecting cylinder (11) is screw-connected with a group of bolts (13) on the side.

2. A waterproof structure of a bridge joint according to claim 1, characterized in that: The material of the water stop strip (4) is a foam polyurethane filled with a wadding, and the top end of the water stop strip (4) is located inside the water inlet hole (5).

3. A waterproof structure of a bridge joint according to claim 1, characterized in that: Both the water guide grooves (6) and the water drainage groove (7) are provided in an inclined manner, and the water guide grooves (6) and the water drainage groove (7) are connected in a penetrating manner.

4. A waterproof structure of a bridge joint according to claim 1, characterized in that: The aperture of the water guide grooves (6) below is larger than the aperture of the water guide grooves (6) above, and the bottom end of the water drainage groove (7) penetrates the side of the cover plate (3).

5. A waterproof structure of a bridge joint according to claim 1, characterized in that: The sealing block (8) is located at the connection between the water guide grooves (6) and the water drainage groove (7), and one side of the sealing block (8) is fixedly connected with a return spring (10).

6. A waterproof structure of a bridge joint according to claim 5, characterized in that: The end of the return spring (10) away from the sealing block (8) is fixedly connected with the inner surface of the water guide grooves (6).

7. A waterproof structure of a bridge joint according to claim 1, characterized in that: The connecting cylinder (11) is located inside the water drainage groove (7), and the bolts (13) penetrate the connecting cylinder (11) and are screw-connected with the cover plate (3).

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