CN217810501U

CN217810501U - Double-deck expansion joint device in bridge road surface

Info

Publication number: CN217810501U
Application number: CN202222188942.XU
Authority: CN
Inventors: 刘维超
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-11-15
Anticipated expiration: 2032-08-19

Abstract

The utility model relates to a bridge construction technical field discloses a double-deck expansion joint device in bridge road surface, the on-line screen storage device comprises a base, spacing section of thick bamboo under the equal fixedly connected with in upper surface both sides of base, the outside sliding connection of spacing section of thick bamboo is in the inside of last spacing section of thick bamboo down, the outside of going up spacing section of thick bamboo is provided with the spring, one side go up the first shaped steel of upper portion fixedly connected with of spacing section of thick bamboo, the opposite side go up the upper portion fixedly connected with second shaped steel of spacing section of thick bamboo, the equal fixed connection in bottom of first shaped steel and second shaped steel is on the top of spring, the bottom fixed connection of spring is at the upper surface of base, first shaped steel is provided with the expansion joint with the centre that has the second shaped steel, the left side outer wall of first shaped steel is provided with first honeycomb panel, the inside of first honeycomb panel is provided with inhales the sound hole. The utility model discloses in, reached the effect that can effectively prevent to jump the car and also reached the effect that improves the amortization function of making an uproar of falling of bridge expansion joint.

Description

Double-deck expansion joint device in bridge road surface

Technical Field

The utility model relates to a bridge structures technical field especially relates to a double-deck expansion joint device in bridge road surface.

Background

The bridge is common basic municipal works in life, and the bridge mainly used communicates the both sides of river course or canyon to the convenient current, bridge road, generally by road bed, road surface, bridge, tunnel engineering and traffic engineering facility etc. several major parts constitute, the phenomenon that flexible can appear in the bridge in the use, in order to avoid the bridge flexible and lead to the destroyed problem of bridge, the bridge need set up the expansion joint device in the work progress.

If the bridge expansion joint does not play good buffering cushioning effect to the wheel that passes through, just can't guarantee that the vehicle can steadily drive over, will lead to taking place the phenomenon of jumping the car, just also can't effectively reduce the influence of traffic low frequency noise to resident's life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a double-layer expansion joint device for bridge pavement.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a double-deck expansion joint device in bridge road surface, includes the base, spacing section of thick bamboo under the equal fixedly connected with in upper surface both sides of base, the outside sliding connection of spacing section of thick bamboo is in the inside at last spacing section of thick bamboo down, the outside cover of going up spacing section of thick bamboo is equipped with the spring, one side go up the first shaped steel of upper portion fixedly connected with of spacing section of thick bamboo, the opposite side go up the upper portion fixedly connected with second shaped steel of spacing section of thick bamboo, the equal fixed connection in bottom of first shaped steel and second shaped steel is on the top of spring, the bottom fixed connection of spring is at the upper surface of base, first shaped steel is provided with the expansion joint with the centre that has the second shaped steel, the left side outer wall of first shaped steel is provided with first honeycomb panel, the inside of first honeycomb panel is provided with inhales the sound hole, the right side outer wall of second shaped steel is provided with the second honeycomb panel, the inside of second honeycomb panel is provided with inhales the sound hole, the adjacent side outer wall of first honeycomb panel and second honeycomb panel is through stretching sponge rubber slab fixed connection.

As a further description of the above technical solution:

the adjacent side outer wall of first shaped steel and second shaped steel all is provided with the mounting groove.

As a further description of the above technical solution:

the first honeycomb panel and the second honeycomb panel are far away from the inner part of the mounting groove by clamping the outer wall of the side.

As a further description of the above technical solution:

the lower part at expansion joint is provided with the limiting plate, the lower part fixedly connected with rubber slab of limiting plate, the equal fixedly connected with backup pad in lower part both sides of rubber slab, the equal fixed connection in upper surface at the base in bottom of backup pad.

As a further description of the above technical solution:

the limiting plate is characterized in that threaded holes are formed in the two sides of the limiting plate, nuts are connected with the inner threads of the threaded holes in a threaded mode, one ends of the nuts penetrate through the limiting plate and the rubber plate, and fastening bolts are connected with the other ends of the nuts in a threaded mode.

As a further description of the above technical solution:

first honeycomb panel and second honeycomb panel all set up the inside at the expansion joint, but stretch sponge rubber board setting is in the inside at the expansion joint.

As a further description of the above technical solution:

the distance between the first section steel and the second section steel is smaller than the width of the limiting plate.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, through the setting of lower floor's spring, go up a spacing section of thick bamboo, a lower spacing section of thick bamboo, limiting plate, rubber slab, when the vehicle passes through the bridge road surface, can play certain buffering cushioning effect, can reduce the influence that the bridge vibrations brought effectively to improve the stationarity of bridge floor effectively, and then guarantee that the vehicle can steadily drive through, reached the effect that can effectively prevent to jump the car.

2. The utility model discloses in, inhale the setting of sound hole and honeycomb panel through the upper strata, when the vehicle through, inside the air current entered into the expansion joint from inhaling the sound hole, the inside honeycomb panel of expansion joint carries out the amortization to the noise and falls the noise, has realized the noise abatement pollution, has reached the effect that the function of making an uproar falls in the amortization that improves the bridge expansion joint.

Drawings

Fig. 1 is a perspective front view of a double-deck expansion joint device for bridge pavement according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is the utility model provides a three-dimensional top view of double-deck expansion joint device in bridge road surface.

Illustration of the drawings:

1. a base; 2. a spring; 3. a first section steel; 4. a first honeycomb panel; 5. a stretchable sponge rubber sheet; 6. a second cellular board; 7. a second section steel; 8. a nut; 9. fastening a bolt; 10. a rubber plate; 11. a support plate; 12. a limiting plate; 13. a sound absorption hole; 14. a lower limiting cylinder; 15. an upper limiting cylinder; 16. an expansion joint; 17. and (7) installing a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a bridge pavement double-layer expansion joint device comprises a base 1, wherein both sides of the upper surface of the base 1 are fixedly connected with lower limiting cylinders 14, the outer sides of the lower limiting cylinders 14 are slidably connected inside upper limiting cylinders 15, the outer parts of the upper limiting cylinders 15 are sleeved with springs 2, the upper parts of the upper limiting cylinders 15 on one side are fixedly connected with first section steels 3, the upper parts of the upper limiting cylinders 15 on the other side are fixedly connected with second section steels 7, the bottom ends of the first section steels 3 and the second section steels 7 are fixedly connected at the top ends of the springs 2, the bottom ends of the springs 2 are fixedly connected on the upper surface of the base 1, an expansion joint 16 is arranged between the first section steels 3 and the second section steels 7, the outer wall of the left side of the first section steels 3 is provided with a first honeycomb plate 4, the inner part of the first honeycomb plate 4 is provided with a sound absorption hole 13, the outer wall of the right side of the second section steels 7 is provided with a second honeycomb plate 6, the inner part of the second honeycomb plate 6 is provided with a sound absorption hole 13, the outer walls of the adjacent sides of the first honeycomb plate 4 and the second honeycomb plate 6 are fixedly connected through a stretchable sponge rubber plate 5, when a vehicle passes through a bridge pavement, the gravity of the vehicle can apply pressure to the first section steel 3 and the second section steel 7, the lower-layer upper limiting cylinder 15 moves downwards through the pressure, the buffering is performed through the spring 2, when the first section steel 3 and the second section steel 7 are pressed to the position of the limiting plate 12, the further buffering and damping effects are performed through the rubber plate 10, the influence caused by the vibration of the bridge can be effectively reduced, the stability of the bridge floor is effectively improved, the vehicle can stably drive through the expansion joint, the effect of effectively preventing the vehicle from jumping is achieved, when the vehicle passes through the expansion joint, the air flow enters the expansion joint 16 from the upper sound absorption hole 13, and the noise is reduced through the first honeycomb plate 4 and the second honeycomb plate 6 inside the expansion joint 16, the noise reduction and pollution reduction effects are achieved, and the noise reduction and noise reduction effects of the bridge expansion joint are improved.

First shaped steel 3 and second shaped steel 7's adjacent side outer wall all is provided with mounting groove 17, make things convenient for the installation of first honeycomb panel 4 and second honeycomb panel 6, the equal block of side outer wall is kept away from mutually of first honeycomb panel 4 and second honeycomb panel 6 is connected in the inside of mounting groove 17, the equal fixedly connected with backup pad 11 in lower part both sides of first honeycomb panel 4 and second honeycomb panel 6 is provided with the barb and can more firmly block in mounting groove 17 the inside, expansion joint 16's lower part is provided with limiting plate 12, limiting plate 12's lower part fixedly connected with rubber slab 10, the equal fixedly connected with backup pad 11 in lower part both sides of rubber slab 10, the equal fixed connection in bottom of backup pad 11 is at the upper surface of base 1, carry out further buffering shock attenuation to first shaped steel 3 and second shaped steel 7 through limiting plate 12 and rubber slab 10, backup pad 11 has played the effect of support, the both sides of limiting plate 12 all are provided with the screw hole, the inside threaded connection of screw hole has nut 8, the one end of nut 8 runs through limiting plate 12 and rubber slab 10, the other end threaded connection of nut 8 has fastening bolt 9, make rubber slab 10 and the more firmly connect through nut 8 and the inside expansion joint of first shaped steel panel 5 and the expansion joint that the expansion joint 16 of second honeycomb panel can be less than the first honeycomb panel 5 and the second honeycomb panel 5, the expansion joint 16 that the expansion joint of second honeycomb panel 16 and the second honeycomb panel 16, the expansion joint can be less than the inside of second honeycomb panel.

The working principle is as follows: when the vehicle passes through the bridge road surface, vehicle gravity can exert pressure to first shaped steel 3 and second shaped steel 7, make the upper limit cylinder 15 downstream of lower floor through pressure, cushion through spring 2, when first shaped steel 3 and second shaped steel 7 push down the position of limiting plate 12, further cushion the cushioning effect through rubber slab 10, can reduce the influence that the bridge vibrations brought effectively, thereby improve the stationarity of bridge floor effectively, and then guarantee that the vehicle can steadily drive over, the effect that can effectively prevent the jump car has been reached, when the vehicle was through, the air current is inside from upper strata sound absorption hole 13 entering expansion joint 16, first honeycomb panel 4 and second honeycomb panel 6 inside expansion joint 16 carry out the amortization to the noise and fall, noise pollution reduction has been realized, the effect of the amortization function of making an uproar of improving the bridge expansion joint has been reached.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a double-deck expansion joint device in bridge road surface, includes base (1), its characterized in that: spacing section of thick bamboo (14) under the equal fixedly connected with in upper surface both sides of base (1), the outside sliding connection of spacing section of thick bamboo (14) is in the inside of last spacing section of thick bamboo (15) down, the outside of going up spacing section of thick bamboo (15) is provided with spring (2), one side go up the first shaped steel (3) of upper portion fixedly connected with of spacing section of thick bamboo (15), the opposite side go up the upper portion fixedly connected with second shaped steel (7) of spacing section of thick bamboo (15), the equal fixed connection in the top of spring (2) in the bottom of first shaped steel (3) and second shaped steel (7), the bottom fixed connection of spring (2) is at the upper surface of base (1), first shaped steel (3) and the centre that has second shaped steel (7) are provided with expansion joint (16), the left side outer wall of first shaped steel (3) is provided with first honeycomb panel (4), the inside of first honeycomb panel (4) is provided with inhales sound hole (13), the right side outer wall of second shaped steel (7) is provided with second honeycomb panel (6), the inside of second honeycomb panel (6) is provided with inhales sound hole (13), and the sponge panel (5) is connected through the adjacent honeycomb panel (5).

2. The double-deck expansion joint device of bridge pavement according to claim 1, wherein: and the outer walls of the adjacent sides of the first section steel (3) and the second section steel (7) are provided with mounting grooves (17).

3. The double-deck expansion joint device of bridge pavement according to claim 1, wherein: the outer walls of the far sides of the first cellular board (4) and the second cellular board (6) are connected to the inside of the mounting groove (17) in a clamping mode.

4. The double-deck expansion joint device of bridge pavement according to claim 1, wherein: the lower part of expansion joint (16) is provided with limiting plate (12), the lower part fixedly connected with rubber slab (10) of limiting plate (12), the equal fixedly connected with backup pad (11) in lower part both sides of rubber slab (10), the equal fixed connection in upper surface at base (1) in bottom of backup pad (11).

5. The double-deck expansion joint device for bridge pavement according to claim 4, wherein: the novel rubber plate is characterized in that threaded holes are formed in two sides of the limiting plate (12), a nut (8) is connected to the inner threads of the threaded holes, one end of the nut (8) penetrates through the limiting plate (12) and the rubber plate (10), and a fastening bolt (9) is connected to the other end of the nut (8) in a threaded mode.

6. The double-deck expansion joint device of bridge pavement according to claim 1, wherein: the first honeycomb plate (4) and the second honeycomb plate (6) are arranged inside the expansion joint (16), and the stretchable sponge rubber plate (5) is arranged inside the expansion joint (16).

7. The double-deck expansion joint device of bridge pavement according to claim 1, wherein: the distance between the first profile steel (3) and the second profile steel (7) is smaller than the width of the limiting plate (12).