Damping and anti-noise device for municipal steel grating

By employing a damping mechanism consisting of damping rods, damping springs, and damping pads, along with an adjustment mechanism for the worm gear and a locking mechanism for the locking block limit rod, the problem of the singularity in vibration damping and sound insulation of municipal steel gratings is solved, achieving efficient vibration damping and flexible sound insulation to adapt to different environmental needs.

CN223708420UActive Publication Date: 2025-12-23JIANGSU FEILIN ER METAL COMPONENTS CO LTD
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Patent Information

Application Number
CN202520524368.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2025-12-23
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

Existing methods for vibration reduction and sound insulation of municipal steel grating are often singular, unable to effectively reduce vibration and sound at the same time, and lack flexibility and adjustability, making them unsuitable for different environments and needs.

Method used

The damping mechanism consists of damping rods, shock-absorbing springs, and shock-absorbing pads. The angle of the sound insulation plate is adjusted by the meshing transmission of worm gear and worm wheel, and stable installation is achieved through the locking mechanism of the clamping block and the limiting rod.

Benefits of technology

It achieves effective vibration reduction and sound insulation of steel grating, improves efficiency and flexibility, adapts to different environmental needs, and ensures the installation quality and sound insulation effect of steel grating.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a damping anti-noise device for a municipal steel grating, which relates to the technical field of steel gratings and comprises a shell, the steel grating is arranged in the shell through a damping rod, a damping pad and a damping spring, a sound insulation plate and a first bevel gear are further arranged on the shell through a mounting shaft, and a second bevel gear is arranged in the shell through a rotating shaft. A cover plate is arranged on the shell and located at the top of the steel grating, a clamping block and a first spring are arranged in the cover plate through a first telescopic rod, a clamping groove used in cooperation with the clamping block is formed in the shell, and a handle is arranged on the clamping block. Under the action of a damping mechanism composed of the damping rods, the damping springs and the damping pads, effective absorption and dispersion of vibration of the steel grating are achieved, under the action of a double-locking mechanism composed of the clamping blocks and the limiting rods, the mounting quality of the steel grating is guaranteed, meanwhile, the steel grating is convenient to disassemble, and the service life of the steel grating is prolonged. Therefore, the use efficiency of the steel grating is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to steel grating technical field, specifically is a municipal steel grating is with shock attenuation noise resistance device. BACKGROUND

[0002] In municipal engineering, steel grating is a common structural material, and is widely used in the construction of infrastructure such as road, bridge, tunnel and drainage system.

[0003] In the prior art, most steel grating shock attenuation noise resistance methods often adopt single damping material or sound insulation material to process steel grating, but these methods have many deficiencies in practical application, pure damping material can reduce vibration, but often cannot effectively isolate noise, and pure sound insulation material can cause steel grating to deform or damage due to lack of sufficient supporting force, in addition, these traditional methods often lack flexibility and adjustability, and cannot be adaptively adjusted according to different environments and requirements, therefore, the utility model provides a municipal steel grating shock attenuation noise resistance device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a municipal steel grating shock attenuation noise resistance device to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A municipal steel grating shock attenuation noise resistance device, which comprises a shell, the bottom of the shell is provided with a base, the rear side of the shell is internally provided with a plurality of damping rods arranged uniformly, the top of the damping rod is provided with a shock pad, the shell is further provided with a steel grating inserted and connected, the bottom of the steel grating is in contact with the top of the shock pad, the outer side of the damping rod is provided with a shock absorbing spring, one end of the shock absorbing spring is connected with the shell, the other end of the shock absorbing spring is connected with the shock pad, a plurality of mounting shafts are uniformly arranged and rotated on the shell, the mounting shaft is provided with a sound insulation board, a rotating shaft is further arranged and rotated on the upper side of the shell, the top end of the mounting shaft is provided with a first bevel gear through key connection, a plurality of second bevel gears are uniformly arranged on the rotating shaft, the second bevel gears are meshed with the first bevel gears, a cover plate is further arranged on the top of the steel grating on the shell, the cover plate is internally provided with a cavity, a first telescopic rod is arranged in the cavity, a clamping block is arranged at the end of the telescopic arm of the first telescopic rod, a clamping groove matched with the clamping block is further arranged on the shell, a first spring is arranged outside the first telescopic rod, one end of the first spring is connected with the inner wall of the cavity, the other end of the first spring is connected with the clamping block, a handle is arranged on the clamping block.

[0007] As a further scheme of the utility model, a worm wheel is further arranged and connected with the rotating shaft through key connection, a worm is further arranged and rotated on the shell, and the worm is meshed with the worm wheel.

[0008] As a further improvement of this utility model: a plurality of mounting cavities are evenly arranged on the inner wall of the outer shell, a second telescopic rod is arranged in the mounting cavity, a limit rod is provided at the end of the telescopic arm of the second telescopic rod, and a limit groove is provided on the card block to cooperate with the limit rod.

[0009] As a further improvement of this utility model, the damping rod, the shock-absorbing spring, and the shock-absorbing pad constitute a shock-absorbing mechanism.

[0010] As a further improvement of this utility model, a handle is provided at the outer end of the worm gear.

[0011] As a further embodiment of this utility model: a second spring is sleeved on the outer side of the second telescopic rod, one end of the second spring is connected to the inner wall of the mounting cavity, and the other end of the second spring is connected to the limiting rod.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. Under the action of the damping mechanism consisting of damping rods, damping springs and damping pads, the vibration of the steel grating is effectively absorbed and dispersed. Under the action of the double locking mechanism consisting of locking blocks and limiting rods, not only is the installation quality of the steel grating guaranteed, but the disassembly of the steel grating is also convenient, thereby ensuring the efficiency of the steel grating.

[0014] 2. Through the meshing transmission of the worm gear and worm wheel, the angle of the sound insulation panel can be easily adjusted to adapt to different environments and needs, achieving better sound insulation effect. At the same time, under the self-locking function of the worm gear and worm wheel, the angle of the sound insulation panel after adjustment can be limited, thereby better ensuring the efficiency of the sound insulation panel. Attached Figure Description

[0015] Fig. 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0016] Fig. 2 This is a schematic diagram of the internal structure of the outer shell in an embodiment of this utility model.

[0017] Fig. 3 This is a rear side view of a structural diagram of an embodiment of the present invention.

[0018] Fig. 4 This is a schematic diagram of the structure at point A in an embodiment of this utility model.

[0019] Figure reference numerals: 1. Outer shell; 2. Base; 3. Steel grating; 4. Damping rod; 5. Shock-absorbing spring; 6. Shock-absorbing pad; 7. Cover plate; 8. Mounting shaft; 9. Sound insulation plate; 10. Rotating shaft; 11. First bevel gear; 12. Second bevel gear; 13. Worm gear; 14. Worm; 15. First telescopic rod; 16. Locking block; 17. First spring; 1701. Handle; 18. Second telescopic rod; 19. Limiting rod; 20. Second spring. Detailed Implementation

[0020] The following embodiments will be described in detail with reference to the accompanying drawings. In the drawings and description, similar or identical parts are referred to by the same reference numerals. Furthermore, in practical applications, the shape, thickness, or height of each component may be enlarged or reduced. The embodiments listed in this utility model are merely illustrative and not intended to limit the scope of the utility model. Any obvious modifications or alterations made to this utility model do not depart from its spirit and scope.

[0021] Example

[0022] Please see Figs. 1-4 In this embodiment of the utility model, a shock-absorbing and noise-reducing device for municipal steel grating includes a housing 1 and a base 2 at the bottom of the housing 1. Under the action of the base 2, the device can be placed in a suitable position for use, thereby ensuring the efficiency of the device.

[0023] Several damping rods 4 are evenly arranged inside the rear side of the outer casing 1. A shock-absorbing pad 6 is set on the top of the damping rod 4. A steel grating 3 is also inserted into the outer casing 1. The bottom of the steel grating 3 contacts the top of the shock-absorbing pad 6. A shock-absorbing spring 5 is sleeved on the outside of the damping rod 4. One end of the shock-absorbing spring 5 is connected to the outer casing 1, and the other end of the shock-absorbing spring 5 is connected to the shock-absorbing pad 6. At this time, the damping rod 4, the shock-absorbing spring 5, and the shock-absorbing pad 6 constitute a shock-absorbing mechanism. Under the action of the shock-absorbing mechanism, the steel grating 3 can be shock-absorbing, thereby ensuring the efficiency of the steel grating 3.

[0024] Several mounting shafts 8 are evenly rotatably arranged on the outer casing 1. Sound insulation plates 9 are mounted on the mounting shafts 8. Under the action of the mounting shafts 8, the angle of the sound insulation plates 9 can be adjusted, allowing them to better perform their sound insulation function. A rotating shaft 10 is also rotatably arranged inside the upper part of the outer casing 1. A first bevel gear 11 is connected to the top end of the mounting shaft 8 via a key. Several second bevel gears 12 are evenly arranged on the rotating shaft 10. The second bevel gears 12 mesh with the first bevel gears 11. Rotating the rotating shaft 10 allows for... The second bevel gear 12 and the first bevel gear 11 drive the mounting shaft 8 to rotate, thereby adjusting the angle of the sound insulation panel 9. A worm gear 13 is also connected to the rotating shaft 10 via a key, and a worm 14 is rotatably mounted on the outer casing 1. The worm 14 meshes with the worm gear 13. Rotating the worm 14 will drive the rotating shaft 10 to rotate via the worm gear 13. Furthermore, because the worm gear 13 and worm 14 have a self-locking function, the adjusted angle of the sound insulation panel 9 can be limited, thus better ensuring the efficiency of the sound insulation panel 9. A handle is provided at the outer end of the worm 14; rotating the handle will drive the worm 14 to rotate.

[0025] A cover plate 7 is also provided on the top of the steel grating 3 on the outer shell 1. The cover plate 7 has a cavity inside, and a first telescopic rod 15 is provided in the cavity. A locking block 16 is provided at the end of the telescopic arm of the first telescopic rod 15. The outer shell 1 is also provided with a locking groove that works with the locking block 16. Under the action of the locking block 16 and the locking groove, the cover plate 7 can be fixed, thereby ensuring the installation quality of the steel grating 3. A first spring 17 is sleeved on the outside of the first telescopic rod 15. One end of the first spring 17 is connected to the inner wall of the cavity, and the other end of the first spring 17 is connected to the locking block 16. Under the action of the first spring 17, the connection quality between the locking block 16 and the locking groove is ensured, thereby ensuring the installation quality of the cover plate 7. A handle 1701 is also provided on the locking block 16. The locking block 16 can be moved by moving the handle 1701.

[0026] The inner wall of the outer casing 1 is also evenly provided with several mounting cavities. A second telescopic rod 18 is provided in the mounting cavity. A limit rod 19 is provided at the end of the telescopic arm of the second telescopic rod 18. A limit groove is provided on the locking block 16 to cooperate with the limit rod 19. At this time, under the action of the limit rod 19, the connection quality between the locking block 16 and the locking groove is further improved. A second spring 20 is sleeved on the outside of the second telescopic rod 18. One end of the second spring 20 is connected to the inner wall of the mounting cavity, and the other end of the second spring 20 is connected to the limit rod 19. Under the action of the second spring 20, the connection quality between the limit rod 19 and the limit groove is guaranteed.

[0027] In actual use, the device is stably set in a suitable position by the base 2, ensuring overall efficiency. Inside the outer casing 1, the steel grating 3 is installed by plugging and contacts the top of the shock-absorbing pad 6. The damping rod 4, the shock-absorbing spring 5, and the shock-absorbing pad 6 together constitute the shock-absorbing mechanism. When the equipment is running, the vibration generated is effectively absorbed by the shock-absorbing mechanism, thus protecting the steel grating 3 and the items placed on it from damage and ensuring the efficiency of the steel grating 3. By rotating the worm gear 14, the worm wheel 13, the rotating shaft 10 rotate, and the second bevel gear 12 and the first bevel gear 11 drive the mounting shaft 8 to rotate, thereby realizing the adjustment of the angle of the sound insulation plate 9. The self-locking function of the worm wheel 13 and the worm gear 14 ensures that the angle of the sound insulation plate 9 remains stable after adjustment, further ensuring the efficiency of the sound insulation plate 9. The steel grating 3 is installed and fixed on top of the steel grating 3 using the cover plate 7.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A vibration damping and noise reduction device for municipal steel grating, comprising a housing (1), characterized in that, The bottom of the outer shell (1) is provided with a base (2). Several damping rods (4) are evenly arranged inside the rear side of the outer shell (1). A shock-absorbing pad (6) is provided on the top of the damping rod (4). A steel grating (3) is also inserted into the outer shell (1). The bottom of the steel grating (3) contacts the top of the shock-absorbing pad (6). A shock-absorbing spring (5) is sleeved on the outside of the damping rod (4). One end of the shock-absorbing spring (5) is connected to the outer shell (1), and the other end of the shock-absorbing spring (5) is connected to the shock-absorbing pad (6). Several mounting shafts (8) are evenly rotatably arranged on the outer shell (1). A sound insulation plate (9) is provided on the mounting shaft (8). A rotating shaft (10) is also rotatably arranged on the upper part of the inner side of the outer shell (1). The top end of the mounting shaft (8) is connected by a key to a first A bevel gear (11) is provided. Several second bevel gears (12) are also evenly arranged on the rotating shaft (10). The second bevel gears (12) mesh with the first bevel gear (11). A cover plate (7) is also provided on the outer shell (1) at the top of the steel grating (3). A cavity is provided inside the cover plate (7). A first telescopic rod (15) is provided in the cavity. A locking block (16) is provided at the end of the telescopic arm of the first telescopic rod (15). A slot for cooperating with the locking block (16) is also provided on the outer shell (1). A first spring (17) is sleeved on the outside of the first telescopic rod (15). One end of the first spring (17) is connected to the inner wall of the cavity. The other end of the first spring (17) is connected to the locking block (16). A handle (1701) is provided on the locking block (16).

2. The vibration damping and noise reduction device for municipal steel grating according to claim 1, characterized in that, A worm gear (13) is also connected to the shaft (10) by a key, and a worm (14) is also rotatably mounted on the outer shell (1), with the worm (14) meshing with the worm gear (13).

3. The vibration damping and noise reduction device for municipal steel grating according to claim 1, characterized in that, The inner wall of the outer shell (1) is also uniformly provided with a number of installation cavities, and a second telescopic rod (18) is provided in the installation cavity. A limit rod (19) is provided at the end of the telescopic arm of the second telescopic rod (18), and a limit groove is provided on the card block (16) to cooperate with the limit rod (19).

4. The vibration damping and noise reduction device for municipal steel grating according to claim 1, characterized in that, The damping rod (4), the shock-absorbing spring (5), and the shock-absorbing pad (6) constitute a shock-absorbing mechanism.

5. The vibration damping and noise reduction device for municipal steel grating according to claim 2, characterized in that, A handle is provided at the outer end of the worm (14).

6. The vibration damping and noise reduction device for municipal steel grating according to claim 3, characterized in that, A second spring (20) is sleeved on the outside of the second telescopic rod (18). One end of the second spring (20) is connected to the inner wall of the mounting cavity, and the other end of the second spring (20) is connected to the limiting rod (19).