Noise reduction device for municipal road construction

Abstract

The utility model discloses a noise reduction device for municipal road construction, which relates to the technical field of municipal roads, and comprises sound absorption cotton, the inner side surface of the sound absorption cotton is fixedly connected with a sound receiving plate, the left side surface and the right side surface of the sound receiving plate are fixedly connected with supports, and the left side surface and the right side surface of the sound absorption cotton are fixedly connected with the supports. A sound receiving hole is formed in the inner side face of the sound receiving plate, a sound absorbing bin is formed in the outer portion of the sound receiving plate, a wheel frame is fixedly connected to the lower end of the support, and rolling wheels are movably connected to the inner side face of the wheel frame. By arranging the sound absorbing cotton and the sound receiving holes, noise generated by road construction can be effectively prevented and reduced, the noise generated by the road construction is prevented from influencing life and work of surrounding residents, the device can be conveniently moved and constructed by arranging the rolling wheels, and by arranging the triangular plate, the construction efficiency is improved. And the equipment can be prevented from shaking left and right in the road construction process, so that the equipment is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal roads, in particular to a noise reduction device for municipal road construction. Background Art

[0002] Municipal infrastructure projects refer to the civil engineering, pipeline and equipment installation projects of urban roads, public transportation, water supply, drainage, gas, heat, gardening, sanitation, sewage treatment, garbage disposal, flood control, underground public facilities and ancillary facilities.

[0003] During the municipal road construction process, a large amount of noise will be generated, which will interfere with people's normal life and rest, endanger people's physical health, and have a great impact on the life and work of surrounding residents. The isolation fence placed during construction has little effect on isolating noise, and a sound insulation board will be placed in the existing municipal road construction equipment. However, with the continuous advancement of road construction, the sound insulation board is not convenient to move, which affects the on-site construction. Therefore, there is a problem that the sound insulation equipment is not convenient to move. In summary, the utility model has the problem that it cannot prevent and control noise and the sound insulation equipment is not convenient to move. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a noise reduction device for municipal road construction, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model is implemented by the following technical scheme: comprising sound-absorbing cotton, the inner side of the sound-absorbing cotton is fixedly connected to a sound receiving board, the left and right sides of the sound receiving board are fixedly connected to a bracket, the left and right sides of the sound-absorbing cotton are fixedly connected to a bracket, the inner side of the sound receiving board is provided with a sound receiving hole, and the outside of the sound receiving board is provided with a sound absorbing chamber;

[0008] The lower end of the bracket is fixedly connected to a wheel frame, the inner side of the wheel frame is movably connected to a roller, the lower part of the outer side of the roller is movably connected to a guide block, the front and rear sides of the guide block are provided with fixing holes, the inner side of the fixing hole is movably connected to a fixing nail, and the upper part of the fixing nail is movably connected to a triangular plate.

[0009] Optionally, a third partition is welded near the middle of the inner wall of the sound receiving board, a second partition is welded near the sound receiving hole of the inner wall of the sound receiving board, and a first partition is fixedly connected to the middle of the inner wall of the sound receiving board.

[0010] Optionally, a third sound hole is opened on the left portion of the second partition, a second sound hole is welded on the right portion near the middle of the second partition, a second sound hole is welded on the right portion near the middle of the third partition, a first sound hole is welded on the right portion of the third partition, a first sound hole is welded on the right portion of the second partition, and a first sound hole is welded on the right portion of the first partition.

[0011] Optionally, the sound receiving hole is connected with the interlayer of the second partition and the third partition, the interlayer of the second partition and the third partition is connected with the interlayer of the first partition and the second partition through the third sound hole, the interlayer of the first partition and the second partition is connected with the interlayer of the third partition and the sound receiving board through the second sound hole, and the interlayer of the third partition and the sound receiving board is connected with the sound absorption chamber through the first sound hole.

[0012] Optionally, the right side surface of the guide rail block is provided with sliding grooves on the front and rear sides, the left side surface of the guide rail block is fixedly connected with sliders on the front and rear sides, the inner side surface of the sliding groove is slidably connected with a slider, and the right side surface of the left guide rail block and the left side surface of the right guide rail block are movably connected.

[0013] Optionally, the right side surface of the right wheel frame and the left side surface of the left wheel frame are fixedly connected to the triangular plate, and the bottom of the triangular plate is movably connected to the guide rail block.

[0014] (III) Beneficial effects

[0015] The utility model provides a noise reduction device for municipal road construction, which has the following beneficial effects:

[0016] 1. The municipal road construction noise reduction device can effectively prevent and reduce the noise of road construction by setting sound-absorbing cotton and sound-receiving holes, and prevent the noise generated by road construction from affecting the life and work of surrounding residents.

[0017] 2. The municipal road construction noise reduction device can be easily moved and constructed by setting rollers. The device can be prevented from shaking left and right during road construction by setting a triangle plate, making the device more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a rear-view stereoscopic structural schematic diagram of the utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the guide rail block of the utility model;

[0021] Figure 4 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0022] Figure 5 This is a schematic diagram of the front cross-sectional structure of the fixing nail of the utility model;

[0023] Figure 6 This is a schematic diagram of the cross-sectional structure of the first partition of the utility model.

[0024] In the figure: 1. sound-absorbing cotton; 2. bracket; 3. sound receiving hole; 4. sound receiving board; 5. wheel frame; 6. roller; 7. guide block; 8. fixing nail; 9. triangle plate; 10. slider; 11. slide groove; 12. fixing hole; 13. sound-absorbing chamber; 14. first partition; 15. second partition; 16. third partition; 17. first sound hole; 18. second sound hole; 19. third sound hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Example 1

[0027] See also Figures 1 to 6 The utility model provides a technical solution: a noise reduction device for municipal road construction, comprising a sound-absorbing cotton 1, a sound receiving board 4 is fixedly connected to the inner side of the sound-absorbing cotton 1, a bracket 2 is fixedly connected to the left and right sides of the sound receiving board 4, the bracket 2 is fixedly connected to the left and right sides of the sound-absorbing cotton 1, a sound receiving hole 3 is opened on the inner side of the sound receiving board 4, a sound absorbing chamber 13 is opened on the outside of the sound receiving board 4, a third partition plate 16 is welded near the middle of the inner wall of the sound receiving board 4, a second partition plate 15 is welded near the sound receiving hole 3 of the inner wall of the sound receiving board 4, a first partition plate 14 is fixedly connected to the middle of the inner wall of the sound receiving board 4, a third sound hole 19 is opened on the left part of the second partition plate 15, a second sound hole 18 is welded near the middle of the right part of the second partition plate 15, and a second sound hole 16 is welded near the middle of the right part of the third partition plate 16. 8. A first sound hole 17 is welded on the right part of the third partition 16, a first sound hole 17 is welded on the right part of the second partition 15, a first sound hole 17 is welded on the right part of the first partition 14, the sound receiving hole 3 is connected with the interlayer of the second partition 15 and the third partition 16, the interlayer of the second partition 15 and the third partition 16 is connected with the interlayer of the first partition 14 and the second partition 15 through the third sound hole 19, the interlayer of the first partition 14 and the second partition 15 is connected with the interlayer of the third partition 16 and the sound receiving board 4 through the second sound hole 18, the interlayer of the third partition 16 and the sound receiving board 4 is connected with the sound absorbing chamber 13 through the first sound hole 17. By arranging the sound-absorbing cotton 1 and the sound receiving hole 3, the noise of road construction can be effectively prevented, controlled and reduced, and the noise generated by road construction can be prevented from affecting the life and work of surrounding residents.

[0028] During use, the noise generated by road construction radiates outward, is absorbed by the sound receiving holes 3 on the sound receiving plate 4, and enters the interlayer between the second partition plate 15 and the third partition plate 16. The second partition plate 15 and the third partition plate 16 reflect the noise, consume the energy of the noise, and reduce the noise. The noise then enters the interlayer between the first partition plate 14 and the second partition plate 15 through the third sound hole 19. The first partition plate 14 and the second partition plate 15 reflect the noise, consume the energy of the noise, and reduce the noise. The noise then enters the interlayer between the third partition plate 16 and the sound receiving plate 4 through the second sound hole 18. The third partition plate 16 and the sound receiving plate 4 reflect the noise, consume the energy of the noise, and reduce the noise. The noise then enters the sound absorbing chamber 13 through the first sound hole 17, and is finally absorbed by the sound-absorbing cotton 1.

[0029] Example 2

[0030] See also Figures 1 to 6 The utility model provides a technical solution: a noise reduction device for municipal road construction, including sound-absorbing cotton 1, a wheel frame 5 is fixedly connected to the lower end of a bracket 2, a roller 6 is movably connected to the inner side of the wheel frame 5, a guide block 7 is movably connected to the lower part of the outer side of the roller 6, a slide groove 11 is opened on the right side front and rear sides of the guide block 7, a slider 10 is fixedly connected to the left side front and rear sides of the guide block 7, the slider 10 is slidably connected to the inner side of the slide groove 11, and the right side of the left guide block 7 and the left side of the right guide block 7 are movably connected. The guide block 7 is movably connected, with fixing holes 12 on the front and rear sides, the inner side of the fixing hole 12 is movably connected with a fixing nail 8, the upper part of the fixing nail 8 is movably connected with a triangular plate 9, the right side of the right wheel frame 5 and the left side of the left wheel frame 5 are fixedly connected to the triangular plate 9, and the bottom of the triangular plate 9 is movably connected to the guide block 7. By arranging the roller 6, the movement of the device can be facilitated for construction. By arranging the triangular plate 9, the left and right shaking of the equipment during road construction can be avoided, making the equipment more stable.

[0031] During use, when the equipment is to be moved, the fixing nail 8 is pulled upwards to make the fixing nail 8 leave the triangular plate 9, and the bracket 2 is pushed to make the bracket 2 move in the direction of construction. At the same time, the guide block 7 is pulled upwards in the direction of construction departure, so that the slider 10 slides inside the slide groove 11, so that the slider 10 leaves the slide groove 11, and then the guide block 7 is taken out and laid in the direction of construction advancement, so that the slider 10 enters the slide groove 11, and the bracket 2 is pushed to a suitable position. Then the fixing nail 8 is taken out and enters the triangular plate 9, and then enters the fixing hole 12 to fix the bracket 2 to prevent the roller 6 from rotating during the road construction process, causing the equipment to move. Laying the guide block 7 can make the bottom surface of the roller 6 flat, to prevent the roller 6 from rolling on the uneven bottom surface during the road construction process, causing the equipment to vibrate and cause damage to the equipment.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A noise reduction device for municipal road construction, comprising sound-absorbing cotton (1), characterized in that: The inner side of the sound-absorbing cotton (1) is fixedly connected to a sound receiving plate (4), the left and right sides of the sound receiving plate (4) are fixedly connected to a bracket (2), the left and right sides of the sound-absorbing cotton (1) are fixedly connected to the bracket (2), the inner side of the sound receiving plate (4) is provided with a sound receiving hole (3), and the outside of the sound receiving plate (4) is provided with a sound absorbing chamber (13); The lower end of the bracket (2) is fixedly connected to a wheel frame (5), the inner side surface of the wheel frame (5) is movably connected to a roller (6), the lower part of the outer side surface of the roller (6) is movably connected to a guide block (7), the front and rear sides of the guide block (7) are provided with fixing holes (12), the inner side surface of the fixing hole (12) is movably connected to a fixing nail (8), and the upper part of the fixing nail (8) is movably connected to a triangular plate (9).

2. A municipal road construction noise reduction device according to claim 1, characterized in that: A third partition plate (16) is welded near the middle of the inner wall of the sound receiving plate (4), a second partition plate (15) is welded near the sound receiving hole (3) of the inner wall of the sound receiving plate (4), and a first partition plate (14) is fixedly connected to the middle of the inner wall of the sound receiving plate (4).

3. A municipal road construction noise reduction device according to claim 2, characterized in that: A third sound hole (19) is opened on the left part of the second partition plate (15), a second sound hole (18) is welded near the middle of the right part of the second partition plate (15), a second sound hole (18) is welded near the middle of the right part of the third partition plate (16), a first sound hole (17) is welded on the right part of the third partition plate (16), a first sound hole (17) is welded on the right part of the second partition plate (15), and a first sound hole (17) is welded on the right part of the first partition plate (14).

4. A municipal road construction noise reduction device according to claim 3, characterized in that: The sound receiving hole (3) is connected with the interlayer of the second partition plate (15) and the third partition plate (16); the interlayer of the second partition plate (15) and the third partition plate (16) is connected with the interlayer of the first partition plate (14) and the second partition plate (15) through the third sound hole (19); the interlayer of the first partition plate (14) and the second partition plate (15) is connected with the interlayer of the third partition plate (16) and the sound receiving plate (4) through the second sound hole (18); the interlayer of the third partition plate (16) and the sound receiving plate (4) is connected with the sound absorbing chamber (13) through the first sound hole (17).

5. A municipal road construction noise reduction device according to claim 1, characterized in that: The right side of the guide rail block (7) is provided with a slide groove (11) on its front and rear sides, the left side of the guide rail block (7) is fixedly connected with a slider (10) on its front and rear sides, the inner side of the slide groove (11) is slidably connected with the slider (10), and the right side of the left guide rail block (7) and the left side of the right guide rail block (7) are movably connected.

6. A municipal road construction noise reduction device according to claim 1, characterized in that: The right side surface of the right wheel frame (5) and the left side surface of the left wheel frame (5) are fixedly connected to the triangular plate (9), and the lower side of the triangular plate (9) is movably connected to the guide rail block (7).

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