CN220789480U

CN220789480U - Bridge acoustic baffle fixing device

Info

Publication number: CN220789480U
Application number: CN202322416601.8U
Authority: CN
Inventors: 于萍; 徐长新; 张秀娟; 满新艳
Original assignee: Heilongjiang Far East Road Bridge Engineering Co ltd
Current assignee: Heilongjiang Far East Road Bridge Engineering Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-04-16
Anticipated expiration: 2033-09-06

Abstract

The utility model discloses a bridge sound insulation plate fixing device, which relates to the technical field of sound insulation plate fixing devices, and particularly comprises a first cross rod and a second cross rod, wherein the first cross rod is positioned above the top of the second cross rod, a plurality of sound insulation plates are arranged between the first cross rod and the second cross rod, I-shaped rods are arranged on two sides of each sound insulation plate, accommodating cavities are formed in two sides of the inner part of each I-shaped rod, a vertical rod is arranged on one side of the inner wall of each accommodating cavity, a plurality of wedge-shaped blocks are symmetrically arranged on one side of each vertical rod, and each wedge-shaped block is of an L-shaped design; every wedge bottom all is equipped with the supporting seat, supporting seat one end is connected with holding the intracavity wall, the supporting seat top is equipped with first fixture block, wedge inclined plane one end contacts with the wedge groove. When the sound insulation board is used, the sound insulation board can be quickly assembled and disassembled, and the sound insulation board is convenient to operate, time-saving and labor-saving.

Description

Bridge acoustic baffle fixing device

Technical Field

The utility model relates to the technical field of sound insulation plate fixing devices, in particular to a bridge sound insulation plate fixing device.

Background

The acoustic baffle is the plate that acts on the sound insulation effect, along with the continuous development of bridge construction in china, some bridges that are close to residential area have all been installed the acoustic baffle, and it is used for keeping apart bridge noise, can make noise significantly reduce, improves resident's travelling comfort.

In the prior art, when a worker performs the fixing and installing work of the sound insulation plate, a large number of fasteners such as bolts and nuts are used, and the fasteners are time-consuming and labor-consuming to disassemble and assemble, so that the pushing of the fixing and installing work of the sound insulation plate is delayed. Aiming at the problems, we propose a bridge sound insulation board fixing device.

Disclosure of Invention

Aiming at the defects of complicated disassembly and assembly steps and time and labor waste of the traditional sound insulation plate fixing device, the utility model provides the bridge sound insulation plate fixing device which has the advantages of convenience in disassembly and assembly, time saving and labor saving and solves the problems in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the bridge sound insulation board fixing device comprises a first cross bar and a second cross bar, wherein the first cross bar is positioned above the top of the second cross bar, a plurality of sound insulation boards are arranged between the first cross bar and the second cross bar, I-shaped bars are arranged on two sides of each sound insulation board, accommodating cavities are formed in two sides of the inner part of each I-shaped bar, vertical rods are arranged on one side of the inner wall of each accommodating cavity, a plurality of wedge-shaped blocks are symmetrically arranged on one side of each vertical rod, and the wedge-shaped blocks are of L-shaped design;

every wedge bottom all is equipped with the supporting seat, supporting seat one end is connected with holding the intracavity wall, the supporting seat top is equipped with first fixture block, the wedge groove corresponding with the wedge has been seted up at first fixture block one end top, wedge inclined plane one end contacts with the wedge groove, the acoustic celotex board both sides all have been seted up with first fixture block corresponding first draw-in groove, first fixture block other end runs through inside the first draw-in groove.

Optionally, a transmission shaft is arranged at the bottom of the accommodating cavity, the transmission shaft is respectively and rotatably connected with two sides of the inner wall of the accommodating cavity through bearings, a gear is coaxially and fixedly arranged on the transmission shaft, a travelling tooth slot is formed in one side, close to the gear, of the bottom end of the vertical rod, and the travelling tooth slot is meshed with the gear;

one end of the transmission shaft penetrates through the outside of the accommodating cavity and is fixedly connected with an adjusting rotary disc, one side of the adjusting rotary disc is provided with a locking nut, the locking nut is connected with the transmission shaft through threads, and one side of the locking nut is contacted with the I-shaped rod.

Optionally, a first sliding block is fixedly installed at the bottom of the first clamping block, a first sliding groove corresponding to the first sliding block is formed in the top of the supporting seat, and the first sliding block is located in the first sliding groove;

the spring is fixedly connected to one side of the first sliding block and located inside the first sliding groove, and one end of the spring is connected with the inner wall of the first sliding groove.

Optionally, a second sliding block is fixedly installed on one side, away from the wedge block, of the vertical rod, a second sliding groove corresponding to the second sliding block is formed in the inner wall of the accommodating cavity, and the second sliding block is located inside the second sliding groove.

Optionally, the second fixture block has been seted up at first horizontal pole top, the second draw-in groove corresponding with the second fixture block has been seted up to the acoustic celotex board bottom, the second fixture block is located inside the second draw-in groove.

Optionally, the top edge and the bottom edge of the i-shaped rod are both provided with connecting parts, and the connecting parts are respectively connected with the first cross rod and the second cross rod through bolts.

Optionally, a shielding shed is vertically installed on one side of the second cross rod.

Compared with the prior art, when the sound insulation board is used, the wedge-shaped blocks can be used for driving the first clamping blocks to slide to one side far away from the vertical rods, and the plurality of first clamping blocks simultaneously enter the first clamping grooves on two sides of the sound insulation board, so that the sound insulation board is stably installed, and the sound insulation board is quickly disassembled and assembled, and is convenient to operate, time-saving and labor-saving.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic cross-sectional structure of the present utility model.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

In the figure: 1. a first cross bar; 2. a second cross bar; 3. a sound insulation board; 4. an I-shaped rod; 5. shielding shed; 6. a connection part; 7. a support base; 8. a first clamping block; 9. a first slider; 10. a first chute; 11. a spring; 12. a first clamping groove; 13. wedge-shaped grooves; 14. wedge blocks; 15. a vertical rod; 16. a second slider; 17. a second chute; 18. a receiving chamber; 19. a transmission shaft; 20. a gear; 21. advancing tooth grooves; 22. a lock nut; 23. adjusting a turntable; 24. a second clamping block; 25. and a second clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides the following technical solutions: the bridge sound insulation board fixing device comprises a first cross bar 1 and a second cross bar 2, wherein the first cross bar 1 is positioned above the top of the second cross bar 2, a plurality of sound insulation boards 3 are arranged between the first cross bar 1 and the second cross bar 2, I-shaped bars 4 are arranged on two sides of each sound insulation board 3, accommodating cavities 18 are formed in two sides of the inner parts of the I-shaped bars 4, vertical rods 15 are arranged on one side of the inner walls of the accommodating cavities 18, a plurality of wedge-shaped blocks 14 are symmetrically arranged on one side of each vertical rod 15, and each wedge-shaped block 14 is of an L-shaped design;

as shown in fig. 1, before the sound insulation board is fixed, a worker can slide the sound insulation board 3 into the grooves of the I-shaped rods 4 on the two sides of the sound insulation board, and then the sound insulation board 3 is limited by matching the first cross rod 1 and the second cross rod 2;

the bottom of each wedge-shaped block 14 is provided with a supporting seat 7, one end of the supporting seat 7 is connected with the inner wall of the accommodating cavity 18, the top of the supporting seat 7 is provided with a first clamping block 8, the top of one end of the first clamping block 8 is provided with a wedge-shaped groove 13 corresponding to the wedge-shaped block 14, one end of the inclined surface of the wedge-shaped block 14 is contacted with the wedge-shaped groove 13, two sides of the sound insulation plate 3 are provided with first clamping grooves 12 corresponding to the first clamping block 8, and the other end of the first clamping block 8 penetrates through the inside of the first clamping groove 12;

as shown in fig. 3, by arranging the wedge-shaped grooves 13 to recycle the wedge-shaped blocks 14 on the vertical rods 15, the first clamping blocks 8 can be driven to slide to one side far away from the vertical rods 15, and a plurality of first clamping blocks 8 simultaneously enter the first clamping grooves 12 on two sides of the sound insulation plate 3, so that the sound insulation plate 3 is stably installed, the sound insulation plate is quickly disassembled and assembled, and the operation is convenient, time-saving and labor-saving.

Further, a transmission shaft 19 is arranged at the bottom of the accommodating cavity 18, the transmission shaft 19 is respectively and rotatably connected with two sides of the inner wall of the accommodating cavity 18 through bearings, a gear 20 is coaxially and fixedly arranged on the transmission shaft 19, a travelling tooth slot 21 is formed at one side of the bottom end of the vertical rod 15, which is close to the gear 20, and the travelling tooth slot 21 is meshed with the gear 20;

as shown in fig. 3, the gear 20 is driven by the transmission shaft 19 to rotate, and the gear 20 drives the vertical rod 15 assembly to move up and down through the travelling tooth slot 21, so that the height position of the wedge block 14 in the accommodating cavity 18 is adjusted.

One end of the transmission shaft 19 penetrates through the accommodating cavity 18 and is fixedly connected with an adjusting turntable 23, one side of the adjusting turntable 23 is provided with a locking nut 22, the locking nut 22 is connected with the transmission shaft 19 through threads, and one side of the locking nut 22 is contacted with the I-shaped rod 4;

as shown in fig. 1, by providing the lock nut 22, after the sound insulation plate is fixedly installed, the gear 20 is prevented from being driven by the advancing tooth groove 21 under the action of the spring 11, and the stability of the structure is improved.

Further, the bottom of the first clamping block 8 is fixedly provided with the first sliding block 9, the top of the supporting seat 7 is provided with the first sliding groove 10 corresponding to the first sliding block 9, the first sliding block 9 is positioned in the first sliding groove 10, and the first sliding block 9 and the first sliding groove 10 are arranged to enable the first clamping block 8 assembly to be more stable and smooth in horizontal sliding, so that the stability of the structure is further improved;

a spring 11 is fixedly connected to one side of the first sliding block 9, the spring 11 is positioned in the first sliding groove 10, and one end of the spring 11 is connected with the inner wall of the first sliding groove 10;

as shown in fig. 3, by providing the spring 11, after the first clamping block 8 loses the restriction of the wedge block 14, the first clamping block 8 can be automatically separated from the first clamping groove 12 on the sound insulation board 3.

Further, a second sliding block 16 is fixedly installed on one side of the vertical rod 15 far away from the wedge block 14, a second sliding groove 17 corresponding to the second sliding block 16 is formed in the inner wall of the accommodating cavity 18, the second sliding block 16 is located inside the second sliding groove 17, and the vertical rod 15 assembly is more stable and smooth in vertical sliding through the arrangement of the second sliding block 16 and the second sliding groove 17, so that the stability of the structure is further improved.

As shown in fig. 2, the top of the first cross bar 1 is provided with a second clamping block 24, the bottom of the sound insulation board 3 is provided with a second clamping groove 25 corresponding to the second clamping block 24, the second clamping block 24 is located inside the second clamping groove 25, and the sound insulation board 3 is limited from the bottom by arranging the second clamping block 24 and the second clamping groove 25, so that the sound insulation board is prevented from being displaced horizontally and longitudinally, and the installation stability is further improved by matching with the first clamping block 8 and the first clamping groove 12.

Further, the top end edge and the bottom end edge of the i-shaped rod 4 are respectively provided with a connecting part 6, the connecting parts 6 are respectively connected with the first cross rod 1 and the second cross rod 2 through bolts, and the assembly and the disassembly between the i-shaped rod 4 and the first cross rod 1 and the second cross rod 2 at the two ends of the i-shaped rod are facilitated through the arrangement of the connecting parts 6.

Further, shielding sheds 5 are vertically arranged on one side of the second cross rod 2, rainwater and sunlight are blocked through the shielding sheds 5, and the corrosion speed of parts is slowed down.

To sum up, when the bridge sound insulation board fixing device is used, firstly, a worker places the to-be-installed and fixed sound insulation board 3 between the I-shaped rods 4, then, the wedge-shaped blocks 14 on the vertical rods 15 are driven to move downwards by the adjusting rotary table 23, the gear 20 and the travelling tooth grooves 21, and then the wedge-shaped blocks 14 enter the first clamping grooves 12 on two sides of the sound insulation board 3 through the first clamping blocks 8, so that the sound insulation board is quickly disassembled and assembled, and the bridge sound insulation board fixing device is convenient to operate, time-saving and labor-saving.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Bridge acoustic celotex board fixing device, including first horizontal pole (1) and second horizontal pole (2), first horizontal pole (1) is located second horizontal pole (2) top, be equipped with a plurality of acoustic celotex boards (3) between first horizontal pole (1) and second horizontal pole (2), acoustic celotex board (3) both sides all are equipped with I-shaped pole (4), its characterized in that: the two sides of the inner part of the I-shaped rod (4) are provided with accommodating cavities (18), one side of the inner wall of each accommodating cavity (18) is provided with vertical rods (15), one side of each vertical rod (15) is symmetrically provided with a plurality of wedge-shaped blocks (14), and each wedge-shaped block (14) is of an L-shaped design;

every wedge (14) bottom all is equipped with supporting seat (7), supporting seat (7) one end is connected with holding chamber (18) inner wall, supporting seat (7) top is equipped with first fixture block (8), wedge groove (13) corresponding with wedge (14) are seted up at first fixture block (8) one end top, wedge (14) inclined plane one end and wedge groove (13) contact, acoustic celotex board (3) both sides all have seted up first draw-in groove (12) corresponding with first fixture block (8), first fixture block (8) other end runs through inside first draw-in groove (12).

2. The bridge baffle fixing device of claim 1, wherein: the bottom of the accommodating cavity (18) is provided with a transmission shaft (19), the transmission shaft (19) is respectively and rotatably connected with two sides of the inner wall of the accommodating cavity (18) through bearings, a gear (20) is coaxially and fixedly arranged on the transmission shaft (19), one side, close to the gear (20), of the bottom end of the vertical rod (15) is provided with a travelling tooth slot (21), and the travelling tooth slot (21) is meshed with the gear (20);

one end of the transmission shaft (19) penetrates through the outside of the accommodating cavity (18) and is fixedly connected with an adjusting rotary disc (23), one side of the adjusting rotary disc (23) is provided with a locking nut (22), the locking nut (22) is connected with the transmission shaft (19) through threads, and one side of the locking nut (22) is contacted with the I-shaped rod (4).

3. The bridge baffle fixing device of claim 1, wherein: a first sliding block (9) is fixedly arranged at the bottom of the first clamping block (8), a first sliding groove (10) corresponding to the first sliding block (9) is formed in the top of the supporting seat (7), and the first sliding block (9) is positioned in the first sliding groove (10);

a spring (11) is fixedly connected to one side of the first sliding block (9), the spring (11) is located inside the first sliding groove (10), and one end of the spring (11) is connected with the inner wall of the first sliding groove (10).

4. The bridge baffle fixing device of claim 1, wherein: a second sliding block (16) is fixedly arranged on one side, far away from the wedge block (14), of the vertical rod (15), a second sliding groove (17) corresponding to the second sliding block (16) is formed in the inner wall of the accommodating cavity (18), and the second sliding block (16) is located in the second sliding groove (17).

5. The bridge baffle fixing device of claim 1, wherein: the first cross bar (1) top has seted up second fixture block (24), second draw-in groove (25) corresponding with second fixture block (24) have been seted up to acoustic celotex board (3) bottom, second fixture block (24) are located second draw-in groove (25) inside.

6. The bridge baffle fixing device of claim 1, wherein: the I-shaped rod (4) is characterized in that connecting portions (6) are arranged at the top end edge and the bottom end edge of the I-shaped rod, and the connecting portions (6) are connected with the first transverse rod (1) and the second transverse rod (2) through bolts respectively.

7. The bridge baffle fixing device of claim 1, wherein: and a shielding shed (5) is vertically arranged on one side of the second cross rod (2).