CN115924690A

CN115924690A - Sound insulation elevator and sound insulation noise reduction device

Info

Publication number: CN115924690A
Application number: CN202211580572.2A
Authority: CN
Inventors: 张振东; 宋阳; 孙振宇; 肖好武; 程付理
Original assignee: Anhui Feiintool Elevator Co ltd
Current assignee: Anhui Feiintool Elevator Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-07

Abstract

The invention discloses a sound insulation elevator and a sound insulation and noise reduction device, which comprise a damping plate and a pinch plate, wherein the pinch plate is provided with a filling cavity; the filling cavity is sequentially provided with a backing plate, sound-absorbing cotton and a cement plate from inside to outside, the backing plate is tightly propped against the inner wall of the filling cavity, and the cement plate is tightly propped against the damping plate; a plurality of keels are arranged in the filling cavity at intervals, the keels extend vertically to be connected with the inner wall of the filling cavity, and the sound-absorbing cotton is divided into a plurality of pieces and arranged between every two adjacent keels; the asphalt layer arranged on the outer wall of the damping plate can effectively absorb vibration energy, when noise is transmitted to the filling cavity through the damping plate and the cement plate, the noise is transmitted along the pipeline, so that the elastic part can extend to drive the buffer ball to further abut against the air bag after being vibrated by the noise, the amplitude and the noise are reduced, the noise is finally isolated through the arranged sound-proof felt, and the sound-proof and noise-reducing effects are good.

Description

Sound insulation elevator and sound insulation noise reduction device

Technical Field

The invention relates to the technical field of sound insulation of elevators, in particular to a sound insulation elevator and a sound insulation and noise reduction device.

Background

The noise reduction of the elevator is a process of reducing the noise generated by the operation of the elevator facility to an allowable range by adopting effective vibration reduction and sound insulation and absorption measures for the elevator facility. The elevator noise mainly represents low and medium frequency vibration, the transmission mode of the elevator noise is mainly a low frequency vibration mode, and the elevator noise is low frequency resonance sound energy transmitted through a solid.

Therefore, the invention provides a sound insulation elevator and a sound insulation noise reduction device which can solve the problems.

Disclosure of Invention

The invention aims to provide a sound insulation elevator and a sound insulation and noise reduction device, which aim to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a sound insulation and noise reduction device comprises a damping plate and a pinch plate, wherein the pinch plate is provided with a filling cavity, the damping plate is arranged on one side close to the filling cavity and is connected with the pinch plate through a connecting piece, and an asphalt layer is arranged on the outer wall of the damping plate;

the filling cavity is sequentially provided with a backing plate, sound-absorbing cotton and a cement plate from inside to outside, the backing plate is tightly abutted to the inner wall of the filling cavity, and the cement plate is tightly abutted to the damping plate.

As a preferable technical scheme, a plurality of keels are arranged in the filling cavity at intervals, the keels vertically extend to be connected with the inner wall of the filling cavity, and the sound-absorbing cotton is divided into a plurality of pieces and arranged between the adjacent keels.

As a preferred technical scheme of the invention, flanges are arranged on two sides of the keel and used for limiting and pressing the sound-absorbing cotton.

As a preferable technical scheme of the invention, a sound insulation felt is arranged between the backing plate and the sound absorption cotton.

As a preferable technical solution of the present invention, the sound absorbing cotton and the cement board are provided with a sound absorbing assembly, the sound absorbing assembly includes a plurality of air bags and a plurality of rows of pipes, each keel is embedded with one air bag, the plurality of rows of pipes are connected with the cement board and transversely arranged corresponding to the air bags, each pipe is provided with an elastic member, one end of each elastic member is connected with the inner wall of the pipe, and the other end of each elastic member is provided with a buffer ball which abuts against the corresponding air bag.

As a preferable technical scheme of the invention, the connecting piece is a connecting bolt and is tightly pressed by a rubber ring.

The invention also provides a sound insulation elevator which comprises the sound insulation noise reduction device.

Compared with the prior art, the invention has the beneficial effects that: according to the soundproof elevator and the soundproof noise reduction device, the asphalt layer arranged on the outer wall of the damping plate can effectively absorb vibration energy, when noise is transmitted to the filling cavity through the damping plate and the cement plate, the noise is transmitted along the pipeline, so that the elastic part can extend to drive the buffer ball to further abut against the air bag after being vibrated by the noise, the air bag can deform to absorb the noise, meanwhile, the sound absorption cotton shell absorbs the sound directly transmitted to the filling cavity from the cement plate, so that the amplitude and the noise are reduced, the noise is finally isolated through the arranged soundproof felt, and the soundproof noise reduction effect is good.

Drawings

FIG. 1 is a schematic view of the overall structure of a noise-reducing and sound-insulating device;

FIG. 2 is a schematic view of a vibration damping plate structure of the noise insulation and reduction device;

FIG. 3 is a schematic view of a pinch plate structure of the sound-insulating and noise-reducing device;

FIG. 4 is a schematic view of the sound absorbing assembly of FIG. 3;

fig. 5 is a schematic structural view of a soundproof elevator;

in the figure: 10. a damper plate; 11. an asphalt layer; 20. buckling the plate; 21. a base plate; 22. a sound-deadening felt; 23. a keel; 24. sound-absorbing cotton; 25. a sound absorbing assembly; 251. an air bag; 252. a pipeline; 253. an elastic member; 254. a buffer ball; 26. a cement board; 30. a connecting member; 31. a rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Please refer to FIGS. 1-5

Example 1

A sound insulation and noise reduction device comprises a damping plate 10 and a pinch plate 20, wherein the pinch plate 20 is provided with a filling cavity, the damping plate 10 is arranged on one side close to the filling cavity and is connected with the pinch plate 20 through a connecting piece 30, and an asphalt layer 11 is arranged on the outer wall of the damping plate 10;

the filling cavity is sequentially provided with a backing plate 21, sound absorption cotton 24 and a cement plate 26 from inside to outside, the backing plate 21 is abutted against the inner wall of the filling cavity, and the cement plate 26 is abutted against the damping plate 10;

a plurality of keels 23 are arranged in the filling cavity at intervals, the keels 23 are made of light steel materials, the keels 23 extend vertically to be connected with the inner wall of the filling cavity, and the sound-absorbing cotton 24 is divided into a plurality of pieces and arranged between the adjacent keels 23;

the sound absorption assembly 25 is arranged on the sound absorption cotton 24 and the cement board 26, the sound absorption assembly 25 comprises a plurality of air bags 251 and a plurality of rows of pipelines 252, one air bag 251 is embedded on each keel 23, the plurality of pipelines 252 are connected with the cement board 26 and transversely correspond to the air bags 251, an elastic part 253, preferably a spring, is arranged in each pipeline 252, one end of each elastic part 253 is connected with the inner wall of each pipeline 252, a buffer ball 254 is arranged at the other end of each elastic part 253, and the buffer balls 254 are abutted to the corresponding air bags 251.

Example 2

A sound insulation and noise reduction device comprises a damping plate 10 and a pinch plate 20, wherein the pinch plate 20 is provided with a filling cavity, the damping plate 10 is arranged on one side close to the filling cavity and is connected with the pinch plate 20 through a connecting piece 30, an asphalt layer 11 is arranged on the outer wall of the damping plate 10, the connecting piece 30 is a connecting bolt, and a rubber ring 31 is tightly pressed on the connecting piece 30;

the filling cavity is sequentially provided with a backing plate 21, sound absorption cotton 24 and a cement plate 26 from inside to outside, the backing plate 21 is tightly propped against the inner wall of the filling cavity, the cement plate 26 is tightly propped against the damping plate 10, and a sound insulation felt 22 is arranged between the backing plate 21 and the sound absorption cotton 24;

a plurality of keels 23 are arranged in the filling cavity at intervals, the keels 23 are made of light steel materials, the keels 23 extend vertically and are connected with the inner wall of the filling cavity, the sound-absorbing cotton 24 is divided into a plurality of pieces and arranged between the adjacent keels 23, and flanges are arranged on two sides of each keel 23 and used for limiting and pressing the sound-absorbing cotton 24;

the sound absorbing assembly 25 is arranged on the sound absorbing cotton 24 and the cement board 26, the sound absorbing assembly 25 comprises a plurality of air bags 251 and a plurality of rows of pipelines 252, one air bag 251 is embedded in each keel 23, the plurality of pipelines 252 are connected with the cement board 26 and transversely correspond to the air bags 251, an elastic piece 253, preferably a spring, is arranged in each pipeline 252, one end of each elastic piece 253 is connected with the inner wall of each pipeline 252, a buffering ball 254 is arranged at the other end of each elastic piece 253, and the buffering balls 254 are abutted to the corresponding air bags 251.

Specifically, this noise insulation and noise reduction device is through the pitch layer 11 that sets up at the damper plate 10 outer wall, can effectively absorb vibration energy, pass through damper plate 10 as the noise, cement board 26 transmits to the packing chamber when, the noise transmits along pipeline 252, make elastic component 253 receive noise tremble the back extensible drive cushion ball 254 further to support tightly gasbag 251, gasbag 251 deformable absorbs the noise, inhale the sound cotton 24 shell simultaneously and absorb the sound of filling the chamber from cement board 26 direct transmission, thereby reduce amplitude and noise, and carry out final isolation to the noise through the deadening felt 22 that sets up, it is effectual to insulate sound and reduce noise.

The invention also provides a sound insulation elevator which comprises the sound insulation noise reduction device, and the sound insulation noise reduction device can be arranged along the inner wall of the elevator.

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

Claims

1. A sound insulation and noise reduction device is characterized by comprising a damping plate and a pinch plate, wherein the pinch plate is provided with a filling cavity, the damping plate is arranged at one side close to the filling cavity and is connected with the pinch plate through a connecting piece, and an asphalt layer is arranged on the outer wall of the damping plate;

2. The sound insulation and noise reduction device according to claim 1, wherein a plurality of keels are arranged in the filling cavity at intervals, the keels extend vertically to be connected with the inner wall of the filling cavity, and the sound absorption cotton is divided into a plurality of pieces and arranged between the adjacent keels.

3. The sound insulation and noise reduction device of claim 2, wherein flanges are arranged on two sides of the keel for limiting and pressing the sound absorption cotton.

4. The noise insulation and reduction device according to claim 1, wherein an acoustic felt is disposed between said backing plate and said sound-absorbing cotton.

5. The sound insulation and noise reduction device according to claim 2, wherein the sound absorption cotton and the cement board are provided with a sound absorption assembly, the sound absorption assembly comprises a plurality of air bags and a plurality of rows of pipes, each keel is embedded with one air bag, the plurality of rows of pipes are connected with the cement board and transversely arranged corresponding to the air bags, each pipe is internally provided with an elastic member, one end of each elastic member is connected with the inner wall of the corresponding pipe, the other end of each elastic member is provided with a buffering ball, and the buffering balls abut against the corresponding air bags.

6. The sound insulation and noise reduction device according to claim 1, wherein said connecting member is a connecting bolt, and said connecting member is compressed by a rubber ring.

7. An acoustic elevator, characterized by comprising the acoustic noise reducing device according to any one of claims 1 to 6.