Quick-replacement noise-reduction telescopic device

Abstract

The utility model provides a noise reduction telescopic device capable of being rapidly replaced, and relates to the technical field of bridge structures. The structure comprises embedded steel boxes, noise reduction profile steel, a water stop belt, a telescopic panel and a fixing structure, the two adjacent beam plates are each connected with one embedded steel box, one noise reduction profile steel is placed in each embedded steel box, the two ends of the water stop belt are placed at the tops of the two noise reduction profile steel respectively, and the two ends of the water stop belt are connected with the telescopic panel. The two telescopic panels are placed on the top of the water stop belt and correspond to the embedded steel boxes respectively, and the telescopic panels, the water stop belt, the noise reduction profile steel and the embedded steel boxes are detachably connected together in sequence through the fixing structures from top to bottom. The noise reduction profile steel can reduce noise transmitted to the position below the bridge through the telescopic device on the bridge, meanwhile, the damping effect is achieved, vibration can be reduced, by arranging the detachably-connected fixing structure, the interior of the embedded steel box can be overhauled and maintained when needed, and meanwhile the noise reduction profile steel can be rapidly replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge structures, in particular to a quick-replacement noise-reducing telescopic device. Background Art

[0002] In the field of bridge construction, two adjacent beams and slabs are prone to thermal expansion and contraction due to climate reasons. Therefore, expansion joints need to be set between the two adjacent beams and slabs. On the basis of the expansion joints, expansion devices usually need to be installed on the two beams and slabs.

[0003] The applicant has discovered that there are at least the following technical problems in the prior art: existing telescopic devices generally lack noise reduction design, and during use, the sound on the bridge can easily pass through the telescopic device and be transmitted to the bottom of the bridge. Utility Model Content

[0004] The purpose of this utility model is to provide a quick-change, noise-reducing telescopic device to address the technical problem of the lack of noise reduction design in telescopic devices in the prior art. The various technical effects that can be achieved by the preferred technical solution among the various technical solutions provided by this utility model are described in detail below.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A quick-replacement noise-reducing telescopic device comprises an embedded steel box, noise-reducing steel, a waterstop, a telescopic panel and a fixed structure. Two adjacent beam plates are each connected to an embedded steel box, a noise-reducing steel is placed inside each embedded steel box, the two ends of the waterstop are respectively placed on the top of the two noise-reducing steels, the two telescopic panels are placed on the top of the waterstop and each corresponds to an embedded steel box, and the fixed structure detachably connects the telescopic panel, the waterstop, the noise-reducing steel and the embedded steel box in sequence from top to bottom.

[0007] Preferably, the embedded steel box includes a box body and an anchoring structure, and the box body is connected to the beam plate through the anchoring structure.

[0008] Preferably, the anchoring structure includes an anchoring plate and anchoring steel bars, the anchoring plate is connected to the outer wall of the box body, the anchoring steel bars are connected to the bottom surface of the box body, and the anchoring plate and anchoring steel bars both form an anchoring connection with the beam plate.

[0009] Preferably, a plurality of the anchoring plates are spaced apart and distributed along the width direction of the bridge.

[0010] Preferably, the interior of the noise reduction steel is hollow.

[0011] Preferably, the fixing structure includes a first fastening bolt, and a plurality of the first fastening bolts are spaced apart along the width direction of the bridge, and the first fastening bolts connect the telescopic panel, the water stop, the noise reduction steel and the embedded steel box together in sequence from top to bottom.

[0012] Preferably, it also includes a supporting fastening structure, which is placed inside the embedded steel box and located on the outside of the noise reduction steel. The fixing structure also includes a second fastening bolt, which connects the telescopic panel, the supporting fastening structure and the embedded steel box together from top to bottom.

[0013] Preferably, the supporting and fastening structure includes a fixing block, and a plurality of the fixing blocks are spaced apart inside the embedded steel box along the bridge width direction, and each of the fixing blocks corresponds to a position of the second fastening bolt.

[0014] Preferably, the telescopic panel, the waterstop and the noise reduction steel are jointly provided with a first positioning structure.

[0015] Preferably, the telescopic panel and each of the fixing blocks are both provided with a second positioning structure.

[0016] The beneficial effects of the utility model are as follows: by providing the noise reduction steel, the noise reduction performance of the noise reduction steel can be used to reduce the noise of the expansion and contraction device, thereby reducing the noise transmitted from the bridge through the expansion and contraction device to the bridge below. At the same time, the noise reduction steel has a shock-absorbing effect and can reduce vibration.

[0017] By providing a fixed structure with a detachable connection, the interior of the embedded steel box can be inspected and maintained when necessary, and the noise reduction steel can also be quickly replaced, so that the noise reduction steel can be used more flexibly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a cross-sectional structural diagram of the utility model;

[0020] Figure 2 This is a top view of the structure of the utility model;

[0021] Figure 3 It is a side structural diagram of the utility model;

[0022] In the figure, 1 is the embedded steel box; 11 is the box body; 12 is the anchor plate; 13 is the anchor steel bar;

[0023] 2. Noise reduction steel;

[0024] 3. Waterstop;

[0025] 4. Telescopic panel;

[0026] 5. Fixing structure; 51. First fastening bolt; 52. Second fastening bolt;

[0027] 6. Support and fasten the structure;

[0028] 7. Stop block. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution, and advantages of the present invention more clear, the technical solution of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0030] In the description of the present invention, it should be understood that the terms "center", "lateral", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "side" and the like indicate directions or positional relationships based on the attached Figure 1 The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; and direct or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of these terms in this utility model depending on the specific circumstances.

[0032] Reference Figures 1 to 3The utility model provides a quick-replacement noise reduction expansion device, comprising an embedded steel box 1, a noise reduction steel 2, a waterstop 3, a expansion panel 4 and a fixed structure 5. An expansion joint is formed between two adjacent beams and slabs. The width of the expansion joint is preferably 40 mm. Each of the two adjacent beams and slabs is connected to an embedded steel box 1. A noise reduction steel 2 is placed inside each embedded steel box 1. The two ends of the waterstop 3 are respectively placed on the top of the two noise reduction steels 2. Two expansion panels 4 are placed on the top of the waterstop 3 and each corresponds to a embedded steel box 1. The fixed structure 5 detachably connects the expansion panel 4, the waterstop 3, the noise reduction steel 2 and the embedded steel box 1 together from top to bottom.

[0033] By providing the noise reduction profile steel 2, the noise reduction performance of the noise reduction profile steel 2 can be used to reduce the noise of the expansion joint, thereby reducing the noise transmitted from the expansion joint to the bridge below. At the same time, the noise reduction profile steel 2 has a shock absorption effect, which can reduce vibration.

[0034] By providing a detachably connected fixed structure 5, the interior of the embedded steel box 1 can be inspected and maintained when necessary, and the noise reduction steel 2 can also be quickly replaced, so that the noise reduction steel 2 can be used more flexibly.

[0035] As an optional embodiment, the embedded steel box 1 includes a box body 11 and an anchoring structure, and the box body 11 is connected to the beam plate through the anchoring structure;

[0036] The anchoring structure preferably includes an anchoring plate 12 and an anchoring steel bar 13. The anchoring plate 12 is connected to the outer wall of the box body 11, and the anchoring steel bar 13 is connected to the bottom surface of the box body 11. The anchoring plate 12 and the anchoring steel bar 13 both form an anchoring connection with the beam plate. Such an arrangement can ensure the connection strength between the box body 11 and the beam plate.

[0037] As an optional embodiment, several anchor plates 12 are spaced apart along the width of the bridge. The evenly distributed anchor plates 12 have a better anchoring effect and can improve the overall structural strength. The distance between adjacent anchor plates 12 is preferably 200 mm.

[0038] As an optional implementation method, the interior of the noise-reducing steel section 2 is hollowed out to form a closed ring-like structure. At the same time, a rounded corner design is preferably adopted at each bending position. Such a setting can absorb sound through its structural form to achieve the effect of noise reduction. At the same time, it has good structural strength and seismic resistance, effectively reducing vibration.

[0039] As an optional embodiment, a stopper 7 is further included. The stopper 7 is arranged inside the embedded steel box 1 and located on the inner side of the noise reduction steel 2. The stopper 7 can block and position the noise reduction steel 2.

[0040] As an optional implementation, the fixed structure 5 includes a first fastening bolt 51, and several first fastening bolts 51 are spaced apart along the width of the bridge. The first fastening bolts 51 connect the telescopic panel 4, the waterstop 3, the noise reduction steel 2 and the embedded steel box 1 together from top to bottom. The specific setting quantity of the first fastening bolts 51 can be adjusted according to the calculation requirements of the actual structural strength. The first fastening bolts 51 adopt a bolt connection method, which can realize flexible disassembly and assembly between the telescopic panel 4, the waterstop 3, the noise reduction steel 2 and the embedded steel box 1, and facilitate inspection, maintenance and replacement of related parts.

[0041] As an optional implementation, it also includes a supporting fastening structure 6, which is placed inside the embedded steel box 1 and located on the outside of the noise reduction steel 2. The fixing structure 5 also includes a second fastening bolt 52, which connects the telescopic panel 4, the supporting fastening structure 6 and the embedded steel box 1 together from top to bottom. The second fastening bolt 52 adopts a bolt connection method, which can realize flexible disassembly and assembly between the telescopic panel 4, the supporting fastening structure 6 and the embedded steel box 1, and facilitates inspection, maintenance and replacement of related parts.

[0042] As an optional implementation, the supporting fastening structure 6 includes a fixed block, and several fixed blocks are spaced apart along the bridge width inside the embedded steel box 1 and each fixed block corresponds to the position of a second fastening bolt 52. The specific number of the second fastening bolts 52 can be adjusted according to the calculation requirements of the actual structural strength. The fixed block can fill the gap at the bottom of the telescopic panel 4 where the noise reduction steel 2 is not set, thereby supporting the telescopic panel 4 and ensuring the stability of the overall structure.

[0043] As an optional implementation, the telescopic panel 4, the waterstop 3 and the noise reduction steel 2 are jointly provided with a first positioning structure. The first positioning structure can preferably be a combination structure of a boss and a groove, which facilitates the sequential placement of the telescopic panel 4, the waterstop 3 and the noise reduction steel 2, and plays a good positioning and guiding role.

[0044] As an optional implementation, the telescopic panel 4 and each fixed block are jointly provided with a second positioning structure, which can preferably be a combination structure of a boss and a groove, so as to facilitate the placement between the telescopic panel 4 and each fixed block and play a good positioning and guiding role.

[0045] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A quick-change noise reduction telescopic device, characterized in that: The invention comprises an embedded steel box (1), a noise reduction steel (2), a water stop (3), a telescopic panel (4) and a fixed structure (5), wherein two adjacent beam plates are each connected to an embedded steel box (1), a noise reduction steel (2) is placed inside each embedded steel box (1), the two ends of the water stop (3) are respectively placed on the top of the two noise reduction steels (2), the two telescopic panels (4) are placed on the top of the water stop (3) and each corresponds to one embedded steel box (1), and the fixed structure (5) detachably connects the telescopic panel (4), the water stop (3), the noise reduction steel (2) and the embedded steel box (1) in sequence from top to bottom.

2. The quick-change noise reduction telescopic device according to claim 1, characterized in that: The embedded steel box (1) comprises a box body (11) and an anchoring structure, and the box body (11) is connected to the beam plate via the anchoring structure.

3. The quick-change noise reduction telescopic device according to claim 2, characterized in that: The anchoring structure comprises an anchoring plate (12) and an anchoring steel bar (13), wherein the anchoring plate (12) is connected to the outer wall of the box body (11), and the anchoring steel bar (13) is connected to the bottom surface of the box body (11), and both the anchoring plate (12) and the anchoring steel bar (13) form an anchoring connection with the beam plate.

4. The quick-change noise reduction telescopic device according to claim 3, characterized in that: A plurality of anchoring plates (12) are distributed at intervals along the width direction of the bridge.

5. The quick-change noise reduction telescopic device according to claim 1, characterized in that: The interior of the noise reduction steel (2) is hollow.

6. The quick-change noise reduction telescopic device according to claim 1, characterized in that: The fixing structure (5) includes a first fastening bolt (51), and a plurality of the first fastening bolts (51) are spaced apart along the width direction of the bridge. The first fastening bolts (51) sequentially connect the telescopic panel (4), the water stop (3), the noise reduction steel (2) and the embedded steel box (1) from top to bottom.

7. The quick-change noise reduction telescopic device according to claim 6, characterized in that: The invention also includes a supporting fastening structure (6), which is placed inside the embedded steel box (1) and outside the noise reduction steel (2). The fixing structure (5) also includes a second fastening bolt (52), which connects the telescopic panel (4), the supporting fastening structure (6) and the embedded steel box (1) together in sequence from top to bottom.

8. The quick-change noise-reducing telescopic device according to claim 7, characterized in that: The supporting fastening structure (6) comprises a fixing block, wherein a plurality of the fixing blocks are spaced apart and distributed along the bridge width direction inside the embedded steel box (1), and each of the fixing blocks corresponds to a position of the second fastening bolt (52).

9. The quick-change noise reduction telescopic device according to claim 1, characterized in that: The telescopic panel (4), the water stop (3) and the noise reduction steel (2) are jointly provided with a first positioning structure.

10. The quick-change noise-reducing telescopic device according to claim 8, characterized in that: The telescopic panel (4) and each of the fixing blocks are both provided with a second positioning structure.

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