Mute noise reduction reinforced comb plate type bridge expansion device

Abstract

The utility model discloses a mute noise-reduction reinforced comb plate type bridge expansion device which comprises a first beam body and a second beam body which are oppositely arranged, a plurality of first comb teeth and a plurality of second comb teeth are arranged on the sides, facing each other, of the first beam body and the second beam body at intervals respectively, and the first comb teeth and the second comb teeth are arranged in a staggered mode. A first noise reduction groove and a second noise reduction groove are formed in the first beam body between the adjacent first comb teeth and the second beam body between the adjacent second comb teeth respectively, and buffer grooves are formed in the ends, away from the first beam body and the second beam body, of the first comb teeth and the second comb teeth respectively; according to the bridge expansion device, the strength of the bridge expansion device can be improved by arranging the anchoring plates, the transverse reinforcing plates, the bracket plates and the vertical reinforcing plates, empty grooves can be formed and noise can be reduced by arranging the silencing grooves when a vehicle passes through the comb teeth, and the end portions of the comb teeth can be buffered by arranging the buffering grooves when the vehicle passes through the comb teeth.

Description

TECHNICAL FIELD

[0001] The utility model relates to retractable device technical field, specifically is a kind of mute noise reduction reinforced comb tooth plate type bridge expansion joint. BACKGROUND

[0002] Because the planar dimension of bridge is too long, because the effect of thermal expansion and contraction, it can cause excessive temperature stress in bridge structure, easily cause damage to the structure of bridge, so it needs to be set in certain length position joint, the whole bridge is divided into several parts;Bridge expansion joint is usually set in the expansion joint between two beam ends, beam end and abutment or hinged position of bridge, requires expansion joint in parallel, perpendicular to the two directions of bridge axis, can freely expand, firm and reliable, but the existing bridge expansion joint can produce larger noise when vehicle passes, cause noise pollution, can not satisfy the use demand. SUMMARY

[0003] To solve the above technical problems, the utility model provides a technical scheme: a mute noise reduction reinforced comb tooth plate type bridge expansion joint, including oppositely arranged first beam body and second beam body, the side of the first beam body and the second beam body facing each other is respectively spaced apart from a plurality of first comb teeth and second comb teeth, the first comb teeth and the second comb teeth are staggered, first sound-absorbing grooves and second sound-absorbing grooves are respectively arranged on the first beam body between adjacent first comb teeth and on the second beam body between adjacent second comb teeth, and the end of the first comb teeth and the second comb teeth away from the first beam body and the second beam body is respectively provided with a buffer groove, the end of the anchor plate away from each other is respectively arranged on the bottom of the first beam body and the second beam body, one end of the anchor plate extends out of the first beam body and the second beam body, and the other end is connected to the bottom surface of the first beam body and the second beam body through a vertical reinforcing plate, the anchor plate on the lower part of the first beam body or the second beam body is connected with a corbel plate on one end in the first beam body or the second beam body, and the end of the corbel plate away from the anchor plate is connected with the lower part of the first beam body or the second beam body through a horizontal reinforcing plate.

[0004] Preferably, the first sound-absorbing groove is an arc-shaped groove arranged on the first beam body and the second beam body, and the width and depth of the arc-shaped groove gradually decrease from one end of the first beam body and the second beam body close to the first comb teeth and the second comb teeth to the other end.

[0005] Preferably, the buffer groove is an inclined groove arranged at the end of the first comb teeth and the second comb teeth, and the top of the inclined groove in the first comb teeth and the second comb teeth respectively inclines to the direction of the first beam body and the second beam body.

[0006] Preferably, the anchor plate comprises a square part arranged on the lower part of the first beam body and the second beam body and a trapezoidal part extending out of the first beam body and the second beam body, and a long-hole through hole is horizontally arranged on the trapezoidal part.

[0007] Preferably, the bracket plate is a right trapezoidal plate, and the bracket plate is a horizontal plane close to one side of the bottom of the first beam body and the second beam body.

[0008] Compared with the prior art, the utility model has the advantages that the anchor plate, the transverse reinforcing plate, the bracket plate and the vertical reinforcing plate can increase the strength of the bridge expansion device, the sound reduction groove can form a hollow groove when the vehicle passes through the comb tooth, noise is reduced, the buffer groove can buffer the end of the comb tooth when the vehicle passes through the comb tooth. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 is a schematic diagram of the upper structure of the silent noise reduction reinforced comb tooth plate type bridge expansion device.

[0010] Figure 2 is a schematic diagram of the lower structure of the silent noise reduction reinforced comb tooth plate type bridge expansion device.

[0011] Figure 3 is a schematic diagram of the structure of the sound reduction groove and the buffer groove in the silent noise reduction reinforced comb tooth plate type bridge expansion device.

[0012] Figure 4 is a schematic diagram of the side structure of the silent noise reduction reinforced comb tooth plate type bridge expansion device. DETAILED DESCRIPTION

[0013] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0014] In the description of the embodiments of the utility model, it should be explained that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or position relationship shown in the drawings, or the orientation or position relationship of the utility model product in use, it is only for the convenience of describing the utility model and simplifying the description, and it does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation, and cannot be understood as indicating or implying relative importance.

[0015] In addition, if the terms "horizontal", "vertical", "overhang" and the like are used, it does not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0016] In the description of the embodiments of the utility model, "multiple" represents at least 2.

[0017] In the description of the embodiments of the utility model, it should be further pointed out that, unless otherwise explicitly specified and limited, if the terms "set", "install", "connect", "connect" appear, it should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0018] Embodiment:

[0019] In combination with the drawings Figures 1-4 The embodiment discloses a mute noise reduction reinforced comb plate type bridge expansion device, which comprises a first beam body 1 and a second beam body 2 arranged oppositely, a plurality of first combs 3 and a plurality of second combs 4 are arranged at intervals on the sides of the first beam body 1 and the second beam body 2 facing each other respectively, and the first combs 3 and the second combs 4 are arranged staggeredly; a first noise reduction groove 5 and a second noise reduction groove 6 are arranged on the first beam body 1 between adjacent first combs 3 and on the second beam body 2 between adjacent second combs 4 respectively, and a buffer groove 7 is arranged at the end, away from the first beam body 1 and the second beam body 2, of the first comb 3 and the second comb 4 respectively; an anchoring plate 8 is arranged at the end, away from each other, of the bottom of the first beam body 1 and the second beam body 2 respectively, one end of the anchoring plate 8 extends out of the first beam body 1 and the second beam body 2, and the other end is connected to the bottom surface of the first beam body 1 and the second beam body 2 through a vertical reinforcing plate 10; the anchoring plate 8 at the lower part of the first beam body 1 or the second beam body 2 is connected with a corbel plate 9 at one end located in the first beam body 1 or the second beam body 2, and the upper part of the other end of the corbel plate 9 is connected with the lower part of the first beam body 1 or the second beam body 2 through a horizontal reinforcing plate 11.

[0020] The first noise reduction groove 5 is an arc-shaped groove arranged on the first beam body 1 and the second beam body 2, and the width and depth of the arc-shaped groove gradually decrease from one end of the first beam body 1 and the second beam body 2 close to the first comb 3 and the second comb 4 to the other end.

[0021] The buffer groove 7 is a slant groove arranged at the end of the first comb tooth 3 and the second comb tooth 4, and the top of the slant groove in the first comb tooth 3 and the second comb tooth 4 respectively inclines to the first beam body 1 and the second beam body 2.

[0022] The anchor plate 8 comprises a square part 801 arranged at the lower part of the first beam body 1 and the second beam body 2 and a trapezoidal part 802 extending from the first beam body 1 and the second beam body 2, and a long-hole 803 is arranged on the trapezoidal part 802 in the transverse direction.

[0023] The bracket plate 9 is a right trapezoidal plate, and the side close to the bottom of the first beam body 1 and the second beam body 2 is a horizontal plane.

[0024] In the specific implementation, the anchor plate, the transverse reinforcing plate, the bracket plate and the vertical reinforcing plate can increase the strength of the bridge expansion device, the sound-absorbing groove can form an air gap when the vehicle passes through the comb tooth, thereby reducing the noise, and the buffer groove can buffer the end of the comb tooth when the vehicle passes through the comb tooth.

[0025] The above describes the utility model and its implementation, which is not limited, and the drawings only show one of the embodiments of the utility model, and the actual structure is not limited. In general, if the ordinary skilled person in the art is inspired, without departing from the creative purpose of the utility model, without creative design, the similar structure and the embodiment of the technical scheme should belong to the protection scope of the utility model.

Claims

1. A silent noise-reducing reinforced comb plate type bridge expansion joint, characterized in that, The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered.

2. A silent noise reduction reinforced comb plate bridge expansion joint according to claim 1, characterized in that, The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered.

3. The silent noise reduction reinforced comb plate bridge expansion joint according to claim 1, characterized in that, The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered.

4. The silent noise-reducing reinforced comb plate bridge expansion joint according to claim 1, characterized in that, The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered.

5. The silent noise-reducing reinforced comb plate bridge expansion joint according to claim 1, wherein, The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered. The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered. The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered. The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered. The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered. The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered. The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered. The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered. The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered. The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered. The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered. The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth are arranged on the sides of the first beam body and the second beam body facing each other, respectively, and the first comb teeth and the second comb teeth are staggered. The first beam body and the second beam body are oppositely arranged, and a plurality of first comb teeth and second comb teeth

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