CN221029709U - Sound barrier with adjustable height - Google Patents
Sound barrier with adjustable height Download PDFInfo
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- CN221029709U CN221029709U CN202322730124.2U CN202322730124U CN221029709U CN 221029709 U CN221029709 U CN 221029709U CN 202322730124 U CN202322730124 U CN 202322730124U CN 221029709 U CN221029709 U CN 221029709U
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- blind hole
- sound absorbing
- vertical blind
- plate
- absorbing plate
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- 230000004888 barrier function Effects 0.000 title claims abstract description 43
- 239000011150 reinforced concrete Substances 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 238000012423 maintenance Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model belongs to the technical field of noise treatment, in particular to a sound barrier with adjustable height, which aims at the problems that the manufacturing cost is definitely increased when the existing sound barrier above is driven to move by a motor, and the sound barrier installed on a bridge is repeatedly disassembled and assembled when damaged, and the maintenance time is increased.
Description
Technical Field
The utility model relates to the technical field of noise treatment, in particular to a sound barrier with adjustable height.
Background
The sound barrier is used as a main measure for road traffic noise control, is widely applied to traffic noise control, and is fully closed in expressway engineering, and the sound barrier is installed in the engineering occupation area so as to be convenient to operate and implement. The sound insulation and noise reduction effects of the sound barrier are affected by the height of the sound barrier, and the higher the height of the sound barrier is, the better the sound insulation and noise reduction effects are.
Through searching, the utility model discloses an adjustable sound barrier with the bulletin number of CN218880625U, which comprises a side sound barrier, wherein an extended sound barrier is arranged on the right side of the side sound barrier, and the upper side surface of the extended sound barrier is fixedly connected with a fixed arc-shaped sound barrier.
The sound barrier also has the following disadvantages during use: when the bridge sound barrier is used, the motor drives the sound barrier above to move, repeated adjustment is not needed, the use times are limited, the manufacturing cost is increased undoubtedly, and when the sound barrier mounted on the bridge is damaged, the sound barrier is located on one side of the bridge and close to the edge, so that the sound barrier needs to be detached together with the base for ensuring safety, replacement and maintenance are carried out, repeated disassembly and assembly are carried out, and the maintenance time is increased.
Disclosure of utility model
The utility model aims to solve the defects that in the prior art, the motor drives the sound barrier above to move, the manufacturing cost is increased undoubtedly, and the sound barrier arranged on a bridge is repeatedly disassembled and assembled when damaged, so that the maintenance time is increased.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The sound barrier comprises a reinforced concrete guardrail arranged on a bridge deck and a column foot bottom plate arranged on the reinforced concrete guardrail, wherein an inner screw is arranged at the top of the column foot bottom plate in a penetrating and rotating mode, a first vertical blind hole sound absorbing plate is arranged at one side of the inner screw in a rotating mode, a second vertical blind hole sound absorbing plate is arranged at one side of the first vertical blind hole sound absorbing plate in a sliding mode, an outer screw is connected with the inner wall of the inner screw in a threaded mode, and the top of the outer screw is fixedly connected with the second vertical blind hole sound absorbing plate and used for rotating the inner screw to drive the second vertical blind hole sound absorbing plate to lift;
The reinforced concrete guardrail is provided with a plurality of groups of embedded bolts, and the column foot bottom plate is inserted into the embedded bolts and fixed through nuts;
And the limiting mechanism is arranged on the column base bottom plate and used for limiting the direction of the first vertical blind hole sound absorbing plate when the second vertical blind hole sound absorbing plate moves upwards, and otherwise, limiting the first vertical blind hole sound absorbing plate is released.
In one possible design, stop gear includes the rectangular hole of seting up in column shoe bottom plate one end, the outer wall cover of interior screw rod is equipped with the sliding plate that is located the rectangular hole, be equipped with the spring between sliding plate and the rectangular hole, the top in rectangular hole runs through the slip be equipped with two spacing posts of the joint of first vertical tripe hole acoustic baffle, two spacing post is all fixed to be established at the top of sliding plate.
In one possible design, one side of the second vertical blind hole acoustic board is fixedly provided with three connecting blocks, the top of the outer screw rod is fixedly connected with the connecting blocks positioned in the middle, guide rods are fixedly arranged at the bottoms of the connecting blocks on two sides, a sleeve rod is sleeved on the outer wall sliding sleeve of the guide rods, the sleeve rod is fixedly connected with the first vertical blind hole acoustic board, and the sleeve rod is spliced with a limiting column to limit the first vertical blind hole acoustic board.
In one possible design, the inner wall of the rectangular hole is fixedly provided with two guide posts, the spring and the sliding plate are sleeved on the guide posts, and two ends of the spring are respectively fixedly connected with one side, close to each other, of the rectangular hole and the sliding plate.
In one possible design, one side of the first vertical blind hole sound absorbing plate is fixedly provided with at least two concave guide grooves, the inner wall of each concave guide groove is slidably provided with a convex guide rail, the convex guide rails are fixedly connected with the second vertical blind hole sound absorbing plate, and both ends of each convex guide rail are fixedly provided with travel limiters.
In one possible design, the other end of the column base bottom plate is fixedly provided with an inserting block matched with the rectangular hole, and the top parts of the inserting block and the column base bottom plate are provided with mounting holes corresponding to the embedded bolts.
In one possible design, the outer wall of the embedded bolt is sleeved with a gasket between the nut and the column base bottom plate or the nut and the insert block.
In one possible design, the spacing between two adjacent first vertical blind hole sound absorbing panels is not less than the thickness of the superposition of the first vertical blind hole sound absorbing panels and the second vertical blind hole sound absorbing panels.
In the application, when in use, two adjacent column base bottom plates are spliced through the inserting blocks and placed on the corresponding embedded bolts and then fixed through the nuts and the gaskets, then the first vertical blind hole sound absorbing plate is installed on the loop bar and the inner screw rod, the fixing is completed, when the height needs to be adjusted, the inner screw rod is rotated to drive the outer screw rod to move upwards, and the outer screw rod drives the second vertical blind hole sound absorbing plate to move upwards through the connecting block, so that the sound insulation effect can be improved;
When the height maintenance is required to be reduced, the inner screw rod is reversely rotated to drive the outer screw rod to move downwards, the second vertical blind hole sound absorbing plate can be driven to move downwards, the limiting column is driven to be separated from the loop bar through the guide rod, and at the moment, the first vertical blind hole sound absorbing plate can be rotated to adjust the direction of the first vertical blind hole sound absorbing plate, so that the disassembly, assembly and maintenance are carried out.
According to the sound barrier with the adjustable height, the guide rail and the guide groove are arranged on the vertical blind hole sound absorbing plate, so that the height of the whole sound barrier can be increased, and the sound insulation and noise reduction effects are improved; the height of the whole sound barrier can be reduced when the bridge maintenance vehicle is in maintenance work, so that bridge maintenance is facilitated;
According to the sound barrier with the adjustable height, the limiting column is driven to move downwards through the guide rod, and the limiting column is separated from the loop bar when the limiting column is separated from the loop bar, so that the inner screw can rotate, the inner screw is convenient to maintain, and the maintenance efficiency can be improved;
According to the sound barrier with the adjustable height, the adjacent two column base bottom plates are spliced and the use quantity of the embedded bolts can be reduced by the fixing mode of the two groups of the embedded bolts and the nuts, so that the damage to the guardrail is reduced;
According to the utility model, the sound insulation effect can be improved by rotating the inner screw rod to drive the outer screw rod to lift, and the limiting column can be driven to be far away from the loop bar after the outer screw rod descends, so that the loop bar can rotate, the loop bar is convenient to maintain, the dismounting and maintenance efficiency is improved, the use quantity of embedded bolts can be reduced, and the installation cost is saved.
Drawings
FIG. 1 is a schematic view of a sound barrier with adjustable height according to the present utility model;
FIG. 2 is a schematic view of a sound barrier with adjustable height according to the present utility model;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
Fig. 4 is a schematic view of a screw structure of a sound barrier with adjustable height according to the present utility model.
In the figure: 1. a first vertical blind hole sound absorbing plate; 2. a second vertical louver hole sound absorbing plate; 3. a convex guide rail; 4. a travel limiter; 5. a concave guide groove; 6. embedding bolts; 7. a nut; 8. reinforced concrete guard rail; 9. a column foot bottom plate; 10. bridge deck; 11. a connecting block; 12. a guide rod; 13. a loop bar; 14. an outer screw; 15. an inner screw; 16. a rectangular hole; 17. a guide post; 18. a sliding plate; 19. a spring; 20. inserting blocks; 21. a limit column; 22. a mounting hole; 23. a gasket.
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.
Example 1
Referring to fig. 1-4, a sound barrier with adjustable height, which is used in the noise abatement technical field, includes: the reinforced concrete guardrail 8 arranged on the bridge deck 10 and the column foot bottom plate 9 arranged on the reinforced concrete guardrail 8 are penetrated and rotated by the top of the column foot bottom plate 9, an inner screw rod 15 is arranged on one side of the inner screw rod 15 in a penetrating and rotating way, a first vertical blind hole sound absorbing plate 1 is arranged on one side of the inner screw rod 15 in a rotating way, a second vertical blind hole sound absorbing plate 2 is arranged on one side of the first vertical blind hole sound absorbing plate 1 in a sliding way, an outer screw rod 14 is connected with the inner wall of the inner screw rod 15 in a threaded way, and the top of the outer screw rod 14 is fixedly connected with the second vertical blind hole sound absorbing plate 2 and is used for rotating the inner screw rod 15 to drive the second vertical blind hole sound absorbing plate 2 to lift;
A plurality of groups of embedded bolts 6 are arranged on the reinforced concrete guardrail 8, and a column base bottom plate 9 is inserted into the embedded bolts 6 and is fixed through nuts 7;
The limiting mechanism is arranged on the column foot bottom plate 9 and used for limiting the direction of the first vertical blind hole sound absorbing plate 1 when the second vertical blind hole sound absorbing plate 2 moves upwards, otherwise, limiting of the first vertical blind hole sound absorbing plate 1 is relieved, the outer screw rod 14 is driven to lift by rotating the inner screw rod 15, so that the second vertical blind hole sound absorbing plate 2 is driven to slide up and down on one side of the first vertical blind hole sound absorbing plate 1, sound insulation effect is improved, meanwhile, the limiting mechanism is used for limiting the direction of the first vertical blind hole sound absorbing plate 1 when the second vertical blind hole sound absorbing plate moves upwards, otherwise, limiting of the first vertical blind hole sound absorbing plate 1 is relieved, the first vertical blind hole sound absorbing plate 1 can be rotated, and maintenance of the first vertical blind hole sound absorbing plate is facilitated.
The limiting mechanism comprises a rectangular hole 16 formed in one end of a column base bottom plate 9, a sliding plate 18 located in the rectangular hole 16 is sleeved on the outer wall of an inner screw 15, a spring 19 is arranged between the sliding plate 18 and the rectangular hole 16, two limiting columns 21 connected with the first vertical blind hole sound absorbing plate 1 in a clamped mode are penetrated and sliding mode at the top of the rectangular hole 16, the two limiting columns 21 are fixedly arranged at the top of the sliding plate 18, the sliding plate 18 is driven to move upwards through the spring 19, the limiting columns 21 and the first vertical blind hole sound absorbing plate 1 can be driven to be connected in a clamped mode, and accordingly the first vertical blind hole sound absorbing plate 1 is fixed.
The fixed three connecting blocks 11 that are equipped with in one side of second vertical type louver hole acoustic board 2, the top of outer screw rod 14 and the connecting block 11 fixed connection that is located the centre, the connecting block 11 bottom of both sides is all fixed and is equipped with guide bar 12, guide bar 12's outer wall slip cap is equipped with loop bar 13, loop bar 13 and first vertical type louver hole acoustic board 1 fixed connection, loop bar 13 and spacing post 21 peg graft spacing to first vertical type louver hole acoustic board 1, second vertical type louver hole acoustic board 2 moves down can drive guide bar 12 and moves down, can drive guide bar 12 and move down, make spacing post 21 break away from loop bar 13, thereby release the fixed to first vertical type louver hole acoustic board 1.
The inner wall of the rectangular hole 16 is fixedly provided with two guide posts 17, the spring 19 and the sliding plate 18 are sleeved on the guide posts 17, two ends of the spring 19 are fixedly connected with one side, close to each other, of the rectangular hole 16 and the sliding plate 18 respectively, the sliding plate 18 can be guided through setting of the guide posts 17, the spring 19 can be guided, and the spring 19 is prevented from bending.
One side of the first vertical blind hole sound absorbing plate 1 is fixedly provided with at least two concave guide grooves 5, the inner wall of each concave guide groove 5 is slidably provided with a convex guide rail 3, each convex guide rail 3 is fixedly connected with the corresponding second vertical blind hole sound absorbing plate 2, the two ends of each convex guide rail 3 are fixedly provided with travel limiters 4, the second vertical blind hole sound absorbing plate 2 and the first vertical blind hole sound absorbing plate 1 can slide smoothly through the setting of the concave guide grooves 5 and the convex guide rails 3, and meanwhile, the second vertical blind hole sound absorbing plate 2 can be limited through the travel limiters 4, so that the convex guide rails 3 are prevented from being separated from the concave guide grooves 5.
Example 2
Referring to fig. 1-4, the improvement is based on example 1: the other end of the column foot bottom plate 9 is fixedly provided with an inserting block 20 matched with the rectangular hole 16, the inserting block 20 and the top of the column foot bottom plate 9 are provided with mounting holes 22 corresponding to the embedded bolts 6, and the embedded bolts 6 penetrate through the inserting block 20 and the column foot bottom plate 9 to be fixed, so that the use of the embedded bolts 6 can be reduced, and the mounting cost is reduced.
The distance between the two adjacent first vertical blind hole sound absorbing plates 1 is not less than the thickness of the superposition of the first vertical blind hole sound absorbing plates 1 and the second vertical blind hole sound absorbing plates 2, and the distance between the two adjacent first vertical blind hole sound absorbing plates 1 is set to be not less than the thickness of the superposition of the first vertical blind hole sound absorbing plates 1 and the second vertical blind hole sound absorbing plates 2, so that the two vertical blind hole sound absorbing plates cannot collide when rotating, and are convenient to rotate and maintain.
The outer wall cover of embedded bolt 6 is equipped with the gasket 23 that is located between nut 7 and column shoe bottom plate 9 or nut 7 and the inserted block 20, can carry out the antiskid to nut 7 through setting up gasket 23 in the bottom of nut 7, improves installation quality.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The sound barrier with the adjustable height comprises a reinforced concrete guardrail (8) arranged on a bridge deck (10) and a column foot bottom plate (9) arranged on the reinforced concrete guardrail (8), and is characterized in that the top of the column foot bottom plate (9) is penetrated and rotated to be provided with an inner screw (15), one side of the inner screw (15) is rotated to be provided with a first vertical blind hole sound absorbing plate (1), one side of the first vertical blind hole sound absorbing plate (1) is slidingly provided with a second vertical blind hole sound absorbing plate (2), the inner wall of the inner screw (15) is in threaded connection with an outer screw (14), and the top of the outer screw (14) is fixedly connected with the second vertical blind hole sound absorbing plate (2) and is used for rotating the inner screw (15) to drive the second vertical blind hole sound absorbing plate (2) to lift;
A plurality of groups of embedded bolts (6) are arranged on the reinforced concrete guardrail (8), and the column base bottom plate (9) is inserted on the embedded bolts (6) and fixed through nuts (7);
the limiting mechanism is arranged on the column foot bottom plate (9) and used for limiting the direction of the first vertical blind hole sound absorbing plate (1) when the second vertical blind hole sound absorbing plate (2) moves upwards, and otherwise, limiting of the first vertical blind hole sound absorbing plate (1) is relieved.
2. The sound barrier with adjustable height according to claim 1, wherein the limiting mechanism comprises a rectangular hole (16) formed in one end of a column base bottom plate (9), a sliding plate (18) located in the rectangular hole (16) is sleeved on the outer wall of the inner screw (15), a spring (19) is arranged between the sliding plate (18) and the rectangular hole (16), two limiting columns (21) clamped with the first vertical blind hole sound absorbing plate (1) are arranged on the top of the rectangular hole (16) in a penetrating and sliding mode, and the two limiting columns (21) are fixedly arranged on the top of the sliding plate (18).
3. The sound barrier with adjustable height according to claim 2, wherein three connecting blocks (11) are fixedly arranged on one side of the second vertical blind hole sound absorbing plate (2), the top of the outer screw rod (14) is fixedly connected with the connecting blocks (11) positioned in the middle, guide rods (12) are fixedly arranged at the bottoms of the connecting blocks (11) on two sides, a sleeve rod (13) is sleeved on the outer wall of the guide rods (12) in a sliding manner, the sleeve rod (13) is fixedly connected with the first vertical blind hole sound absorbing plate (1), and the sleeve rod (13) is spliced with a limiting column (21) to limit the first vertical blind hole sound absorbing plate (1).
4. The sound barrier with adjustable height according to claim 2, wherein two guide posts (17) are fixedly arranged on the inner wall of the rectangular hole (16), the spring (19) and the sliding plate (18) are sleeved on the guide posts (17), and two ends of the spring (19) are fixedly connected with one side, close to each other, of the rectangular hole (16) and the sliding plate (18) respectively.
5. The sound barrier with adjustable height according to claim 1, wherein one side of the first vertical blind hole sound absorbing plate (1) is fixedly provided with at least two concave guide grooves (5), the inner wall of each concave guide groove (5) is slidably provided with a convex guide rail (3), the convex guide rails (3) are fixedly connected with the second vertical blind hole sound absorbing plate (2), and both ends of each convex guide rail (3) are fixedly provided with a travel limiter (4).
6. The sound barrier with adjustable height according to claim 1, wherein the other end of the column base bottom plate (9) is fixedly provided with an insertion block (20) which is matched with the rectangular hole (16), and the tops of the insertion block (20) and the column base bottom plate (9) are provided with mounting holes (22) corresponding to the embedded bolts (6).
7. The sound barrier with adjustable height according to claim 6, wherein the outer wall of the embedded bolt (6) is sleeved with a gasket (23) between the nut (7) and the column base plate (9) or between the nut (7) and the insert block (20).
8. A sound barrier with adjustable height according to any one of claims 1-7, characterized in that the distance between two adjacent first vertical blind hole sound absorbing boards (1) is not smaller than the thickness of the superposition of the first vertical blind hole sound absorbing boards (1) and the second vertical blind hole sound absorbing boards (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322730124.2U CN221029709U (en) | 2023-10-11 | 2023-10-11 | Sound barrier with adjustable height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322730124.2U CN221029709U (en) | 2023-10-11 | 2023-10-11 | Sound barrier with adjustable height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221029709U true CN221029709U (en) | 2024-05-28 |
Family
ID=91171746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322730124.2U Active CN221029709U (en) | 2023-10-11 | 2023-10-11 | Sound barrier with adjustable height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221029709U (en) |
-
2023
- 2023-10-11 CN CN202322730124.2U patent/CN221029709U/en active Active
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