CN213708996U

CN213708996U - Track roof beam of set damping noise reduction effect suitable for suspension type monorail transit

Info

Publication number: CN213708996U
Application number: CN202022280611.XU
Authority: CN
Inventors: 刘明友
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-07-16
Anticipated expiration: 2030-10-14

Abstract

The utility model belongs to the technical field of the single track traffic, a track roof beam of collection damping noise reduction effect suitable for suspension type single track traffic is related to, wherein, including the track roof beam, the bottom fixedly connected with track web at track roof beam top, the quantity of track web has two. Its beneficial effect is, this track roof beam of set damping noise reduction effect suitable for suspension type monorail transit, setting through the reflection net, can reflect the noise and weaken, under the effect of abatvoix and sound absorption hole, can carry out the noise absorption, and under the cotton effect of sound absorption, further subdue the noise, and under the effect in a plurality of irregular noise reduction chamber on irregular acoustic celotex board, the irregular cavity of making an uproar that falls makes every noise reduction intracavity have different resonant frequency, thereby make whole irregular acoustic celotex board can absorb the noise of different frequencies, improve the noise reduction effect of irregular acoustic celotex board.

Description

Track roof beam of set damping noise reduction effect suitable for suspension type monorail transit

Technical Field

The utility model belongs to the technical field of the single track traffic roof beam, concretely relates to track roof beam of collection damping noise reduction effect suitable for suspension type single track traffic.

Background

The suspended monorail is a medium-volume rail transportation system with vehicles and specially-made rail beams which are combined into a whole to run, and the rail beams are not only the bearing structures of the vehicles, but also the guide rails for running of the vehicles. The urban rail transit system, the subway system and the light rail system jointly form three categories of urban rail transit. The suspended monorail (air train) system has the characteristics of science and technology, ecology and high efficiency, and is towed by electric power, so that waste gas pollution is avoided. Under the same transport capacity condition, compared with public transport (highway), the method can effectively reduce the urban exhaust emission and noise pollution, can greatly reduce the emission of automobile exhaust, and has obvious effect on improving the urban air environment, but the train operation can bring certain influences such as noise, vibration and the like to the area along the line, and can also generate certain negative effects on the urban environment.

Suspension type monorail transit is because the design characteristics of its track roof beam, can't set up measures such as sound insulation barrier, interferometer, damping fastener, damping rail, consequently, the utility model provides a track roof beam of set damping noise reduction effect suitable for suspension type monorail transit.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a track roof beam of set damping noise reduction effect suitable for suspension type monorail transit, it has solved the not good technical problem of damping noise reduction effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a track roof beam of collection damping noise reduction effect suitable for suspension type monorail transit, includes track roof beam, the bottom fixedly connected with track web at track roof beam top, the quantity of track web has two, two track web distributes in the bottom both sides at track roof beam top, two the bottom difference fixedly connected with track beam bottom plate of track web, one side fixedly connected with abatvoix of track web, the sound absorption hole has been seted up on the abatvoix, the quantity in sound absorption hole has a plurality of, the opposite side fixedly connected with of abatvoix inhales the sound cotton, inhale the irregular acoustic celotex board of the cotton opposite side fixedly connected with of sound, the opposite side fixedly connected with blocking plate of irregular acoustic celotex board, the opposite side fixedly connected with reflection net of track web.

As a further aspect of the present invention: a groove is formed in the irregular sound insulation board, and an irregular noise reduction cavity is formed in the groove.

As a further aspect of the present invention: the number of the irregular noise reduction cavities is several.

As a further aspect of the present invention: the two ends of the reflection grids, the sound absorption boards, the sound absorption cotton, the irregular sound insulation boards and the blocking boards are fixedly connected with the opposite surfaces of the track beam top board and the track beam bottom board respectively.

As a further aspect of the present invention: and rubber pads are arranged on the two rail beam bottom plates.

As a further aspect of the present invention: the barrier plate is made of microcellular foamed plastic.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this track roof beam suitable for set damping noise reduction effect of suspension type monorail transit, setting through the reflection net, can reflect the noise and weaken, under the effect of abatvoix and sound absorption hole, the noise absorption can be carried out, and under the cotton effect of sound absorption, further subdue the noise, and under the effect in a plurality of irregularities on irregular acoustic celotex board fall the chamber, the irregular chamber of falling makes every noise elimination intracavity have different resonant frequency, thereby make whole irregular acoustic celotex board can absorb the noise of different frequencies, improve the noise reduction effect of irregular acoustic celotex board.

2. This set damping noise reduction effect's track roof beam suitable for suspension type monorail transit through the setting of barrier plate, has protected irregular acoustic celotex board, and through the setting of rubber pad, plays the effect of damping.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of the present invention;

fig. 2 is a schematic three-dimensional structure diagram of the sound-absorbing board of the present invention;

FIG. 3 is a schematic three-dimensional structure of the irregular sound-proof board of the present invention;

in the figure: 1. a track beam top plate; 2. a rail beam web; 3. a reflective mesh; 4. a blocking plate; 5. an irregular noise reduction cavity; 6. irregular acoustic panels; 7. sound-absorbing cotton; 8. a sound-absorbing panel; 9. a sound absorption hole; 10. a track beam floor; 11. a rubber pad; 12. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a track beam with integrated vibration and noise reduction effects suitable for suspended monorail traffic comprises a track beam top plate 1, two track beam webs 2 are fixedly connected to the bottom of the top of the track beam top plate 1, two track beam webs 2 are distributed on two sides of the bottom of the top of the track beam top plate 1, two track beam bottom plates 10 are fixedly connected to the bottoms of the two track beam webs 2 respectively, rubber pads 11 are arranged on the two track beam bottom plates 10, vibration reduction effects are achieved through arrangement of the rubber pads 11, a sound absorption plate 8 is fixedly connected to one side of the track beam web 2, sound absorption holes 9 are formed in the sound absorption plate 8, a plurality of sound absorption holes 9 are formed, a sound absorption cotton plate 7 is fixedly connected to the other side of the sound absorption cotton 7, an irregular sound insulation plate 6 is fixedly connected to the other side of the sound absorption cotton 7, and noise can be absorbed under the effects of the sound absorption plate 8 and the sound absorption holes 9, and under the effect of inhaling sound cotton 7, further subdue the noise, and under the effect of a plurality of irregular noise reduction chamber 5 on irregular acoustic celotex board 6, irregular noise reduction chamber 5 makes every noise elimination intracavity have different resonant frequency, thereby make whole irregular acoustic celotex board 6 can absorb the noise of different frequencies, improve the noise reduction effect of irregular acoustic celotex board 6, the opposite side fixedly connected with barrier plate 4 of irregular acoustic celotex board 6, through the setting of barrier plate 4, irregular acoustic celotex board 6 has been protected, the material of barrier plate 4 is made by micropore foamed plastic, the opposite side fixedly connected with reflection net 3 of track beam web 2, through the setting of reflection net 3, can reflect the noise and weaken.

Specifically, a groove 12 is formed in the irregular sound insulation board 6, the irregular noise reduction cavity 5 is formed in the groove 12, and the number of the irregular noise reduction cavities 5 is a plurality.

Specifically, two ends of the reflection grid 3, the sound-absorbing plate 8, the sound-absorbing cotton 7, the irregular sound-insulating plate 6 and the barrier plate 4 are respectively and fixedly connected with opposite surfaces of the track beam top plate 1 and the track beam bottom plate 10.

The utility model discloses a theory of operation does:

s1, when noise is reduced, the rubber pad 11 reduces vibration generated on the track beam bottom plate 10, one part of the noise is weakened through the action of the reflection grid 3, and the other part of the noise enters the sound absorption hole 9 through the track beam web 2;

s2, sound absorption hole 9 absorbs noise, a part of noise is weakened through sound absorption plate 8 and sound absorption hole 9, the weakened noise is further reduced under the action of sound absorption cotton 7, then enters into groove 12 on irregular sound insulation plate 6, under the action of a plurality of irregular noise reduction cavities 5 in groove 12, different resonance frequencies are provided in each noise reduction cavity after the noise reduction cavities of different sizes, and therefore the whole irregular sound insulation plate 6 can absorb the noise of different frequencies and further reduce the noise.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a track roof beam of set damping noise reduction effect suitable for suspension type monorail transit, includes track roof beam roof plate (1), its characterized in that: the bottom of the top of the track beam top plate (1) is fixedly connected with a track beam web plate (2), the number of the track beam webs (2) is two, the two track beam webs (2) are distributed on two sides of the bottom of the top of the track beam top plate (1), the bottom ends of the two track beam webs (2) are respectively and fixedly connected with a track beam bottom plate (10), one side of the track beam web (2) is fixedly connected with a sound-absorbing plate (8), a sound-absorbing hole (9) is formed in the sound-absorbing plate (8), a plurality of sound-absorbing holes (9) are arranged, sound-absorbing cotton (7) is fixedly connected with the other side of the sound-absorbing plate (8), the other side of the sound-absorbing cotton (7) is fixedly connected with an irregular sound-insulating board (6), the other side of the irregular sound insulation board (6) is fixedly connected with a blocking board (4), and the other side of the track beam web (2) is fixedly connected with a reflection grid (3).

2. The track beam suitable for the collective vibration and noise reduction effect of the suspended monorail transit as claimed in claim 1, wherein: a groove (12) is formed in the irregular sound insulation board (6), and an irregular noise reduction cavity (5) is formed in the groove (12).

3. The track beam suitable for the collective vibration and noise reduction effect of the suspended monorail transit as claimed in claim 2, wherein: the number of the irregular noise reduction cavities (5) is several.

4. The track beam suitable for the collective vibration and noise reduction effect of the suspended monorail transit as claimed in claim 1, wherein: the two ends of the reflection grids (3), the sound absorption plates (8), the sound absorption cotton (7), the irregular sound insulation plates (6) and the blocking plates (4) are fixedly connected with opposite surfaces of the track beam top plate (1) and the track beam bottom plate (10) respectively.

5. The track beam suitable for the collective vibration and noise reduction effect of the suspended monorail transit as claimed in claim 1, wherein: and rubber pads (11) are arranged on the two track beam bottom plates (10).

6. The track beam suitable for the collective vibration and noise reduction effect of the suspended monorail transit as claimed in claim 1, wherein: the barrier plate (4) is made of microcellular foamed plastic.