CN214005262U

CN214005262U - Track bed with noise absorption function

Info

Publication number: CN214005262U
Application number: CN202022463987.4U
Authority: CN
Inventors: 谢鼎新; 周学庸
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-20
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to a track ballast bed technical field just discloses a track ballast bed with noise absorption function, including geotechnological cloth, geotechnological cloth's top fixed mounting has the bottom plate, the top fixed mounting of bottom plate has first mortar board, the top fixed mounting of first mortar board has the sound absorbing layer, the top fixed mounting on sound absorbing layer has second mortar board, the top fixed mounting of second mortar board has the cushion plate, the top fixed mounting of cushion plate has the supporting shoe, the top fixed mounting of cushion plate has quantity for two and respectively with supporting shoe left and right sides fixed connection's pillow board, the inside fixed mounting of supporting shoe has both ends to extend to two inside mounts of pillow board respectively. This track ballast bed with noise absorption function can effectively absorb and cushion the vibrations that the vehicle travel in-process produced to the noise that sound structure effectively reduces outward propagation is inhaled in the cooperation, reduces the noise pollution of surrounding environment.

Description

Track bed with noise absorption function

Technical Field

The utility model relates to a track ballast bed technical field specifically is a track ballast bed with noise absorption function.

Background

The track bed is an important component of a track and is a foundation of a track frame, and the track bed generally refers to a ballast cushion layer paved on a roadbed below a railway sleeper and mainly has the functions of supporting the sleeper, uniformly transmitting the huge pressure on the upper part of the sleeper to the roadbed, fixing the position of the sleeper, preventing the sleeper from longitudinally or transversely moving, greatly reducing the deformation of a roadbed, simultaneously relieving the impact of a locomotive wheel on a steel rail and facilitating drainage.

Traditional track bed is in the use, is difficult to carry out the buffering absorption to the noise that the vehicle travel produced, leads to the vehicle environment of traveling to have great noise pollution, produces great harm to peripheral resident and pedestrian, so proposes a track bed with noise absorption function and solves above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a track ballast bed with noise absorption function possesses advantages such as noise absorption, has solved traditional track ballast bed in the use, is difficult to go the noise that produces to the vehicle and cushions the absorption, leads to the vehicle to go the environment and has great noise pollution, produces the problem of great harm to peripheral resident and pedestrian.

(II) technical scheme

For the purpose that realizes above-mentioned noise absorption, the utility model provides a following technical scheme: a track ballast bed with a noise absorption function comprises geotextile, wherein a bottom plate is fixedly installed at the top of the geotextile, a first mortar plate is fixedly installed at the top of the bottom plate, a sound absorption layer is fixedly installed at the top of the first mortar plate, a second mortar plate is fixedly installed at the top of the sound absorption layer, a cushion plate is fixedly installed at the top of the second mortar plate, a supporting block is fixedly installed at the top of the cushion plate, two pillow plates which are fixedly connected with the left side and the right side of the supporting block respectively are fixedly installed at the top of the cushion plate, fixing frames of which two ends respectively extend to the insides of the two pillow plates are fixedly installed inside the supporting block, four fixing sleeves which are fixedly connected with the tops of the fixing frames are embedded at the tops of the two pillow plates, twelve stand columns which penetrate through the cushion plate and the second mortar plate are fixedly installed at the bottoms of the fixing frames, equal fixed mounting in the left and right sides of bottom plate has the supporting plate with geotechnological cloth, first mortar board, sound absorbing layer, second mortar board and bed course board fixed connection, twelve the bottom fixed mounting of stand has the connecting plate that is located second mortar board bottom, the top fixed mounting of first mortar board has quantity to be two backing plates, the equal fixed mounting in relative one side of connecting plate and two backing plates has the antidetonation seat, the bottom fixed mounting of connecting plate has the partial pressure seat that is located sound absorbing layer inside, the inside fixed mounting of supporting shoe has quantity to be three sound absorbing pipe.

Preferably, the sound absorption pipe comprises a PVC pipe and fine sand filler, the fine sand filler is filled in the PVC pipe, and the sound absorption pipe is fixedly installed in the supporting block.

Preferably, the top of the supporting block is arranged in a circular arc shape, and the partial pressure seat is arranged in a T shape.

Preferably, the sound absorption layer is a sand filling plate, and the stand column is welded with the connecting plate.

Preferably, the number of partial pressure seat is four and be horizontal equidistant evenly distributed, the inside of fixed cover is provided with the screw thread.

Preferably, the anti-seismic seat comprises a rubber sleeve, a metal core and a metal sheet, the metal core is fixedly mounted at the top of the base plate, the rubber sleeve is fixedly mounted on one side, opposite to the connecting plate, of the base plate, and the metal sheet located inside the rubber sleeve is fixedly mounted on the outer portion of the metal core.

(III) advantageous effects

Compared with the prior art, the utility model provides a track ballast bed with noise absorption function possesses following beneficial effect:

the track ballast bed with the noise absorption function fixes a track and a pillow plate through a fixed sleeve, when in use, the vibration generated by the running of a vehicle is transmitted to the fixed sleeve through the track, the vibration is transmitted to an upright post and a connecting plate through the fixed sleeve and a fixed frame, the connecting plate presses a vibration-proof seat and a pressure dividing seat, the vibration force is absorbed and consumed by the vibration-proof seat through elastic deformation, the pressure dividing seat transmits the vibration to a sound absorption layer, gravels in the sound absorption layer collide with each other to consume and buffer the vibration force, simultaneously, the generated noise is gradually absorbed in the internal transmission process of the sound absorption layer, the noise transmitted to a supporting block enters a sound absorption pipe, the internal absorption and consumption of the sound absorption pipe are realized, the energy of the outward transmission of the noise is reduced, the track ballast bed has stable and reasonable structure, the vibration generated in the running process of the vehicle can be effectively absorbed and buffered, and the outward transmission of the noise is effectively reduced by matching with the sound absorption structure, and the noise pollution of the surrounding environment is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at B of the present invention;

fig. 3 is an enlarged schematic view of the structure at a position a of the present invention.

In the figure: 1. geotextile; 2. a bottom layer plate; 3. a first mortar board; 4. a sound absorbing layer; 5. a second mortar board; 6. a cushion plate; 7. a support block; 8. a pillow plate; 9. a fixed mount; 10. fixing a sleeve; 11. a column; 12. supporting the guard plate; 13. a connecting plate; 14. a base plate; 15. an anti-seismic seat; 16. a partial pressure seat; 17. a sound absorbing pipe.

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.

Referring to fig. 1-3, a track ballast bed with noise absorption function comprises a geotextile 1, a bottom plate 2 is fixedly installed on the top of the geotextile 1, a first mortar plate 3 is fixedly installed on the top of the bottom plate 2, a sound absorption layer 4 is fixedly installed on the top of the first mortar plate 3, a second mortar plate 5 is fixedly installed on the top of the sound absorption layer 4, a cushion plate 6 is fixedly installed on the top of the second mortar plate 5, a supporting block 7 is fixedly installed on the top of the cushion plate 6, the top of the supporting block 7 is arranged in a circular arc shape, a partial pressure seat 16 is arranged in a T shape, two pillow plates 8 which are fixedly connected with the left side and the right side of the supporting block 7 respectively are fixedly installed on the top of the cushion plate 6, fixing frames 9 which two ends extend to the inside of the two pillow plates 8 respectively are fixedly installed inside the supporting block 7, four fixing sleeves 10 which are fixedly connected with the top of the fixing frames 9 are embedded on the top of the two pillow plates 8, twelve upright posts 11 which penetrate through the cushion plate 6 and the second mortar plate 5 are fixedly arranged at the bottom of the fixing frame 9, supporting plates 12 which are fixedly connected with the geotechnical cloth 1, the first mortar plate 3, the sound absorption layer 4, the second mortar plate 5 and the cushion plate 6 are fixedly arranged at the left side and the right side of the bottom plate 2, connecting plates 13 which are positioned at the bottom of the second mortar plate 5 are fixedly arranged at the bottoms of the twelve upright posts 11, the sound absorption layer 4 is a gravel filling plate, the upright posts 11 are welded with the connecting plates 13, two cushion plates 14 are fixedly arranged at the top of the first mortar plate 3, anti-seismic seats 15 are fixedly arranged at the opposite sides of the connecting plates 13 and the two cushion plates 14, each anti-seismic seat 15 comprises a rubber sleeve, a metal core and a metal sheet, a metal core is fixedly arranged at the top of each cushion plate 14, a rubber sleeve is fixedly arranged at the opposite side of each cushion plate 14 and the connecting plate 13, a metal sheet positioned in the rubber sleeve is fixedly arranged outside the metal core, the bottom of the connecting plate 13 is fixedly provided with four partial pressure seats 16 which are positioned inside the sound absorption layer 4, the partial pressure seats 16 are uniformly distributed at equal intervals in the transverse direction, threads are arranged inside the fixed sleeve 10, the inside of the supporting block 7 is fixedly provided with three sound absorption pipes 17, each sound absorption pipe 17 comprises a PVC pipe and a fine sand filler, the inside of each PVC pipe is filled with the fine sand filler, each sound absorption pipe 17 is fixedly arranged inside the supporting block 7, a track is fixed with the pillow plate 8 through the fixed sleeve 10, when the shock absorption device is used, the shock generated by vehicle running is transmitted to the fixed sleeve 10 through the track, the fixed sleeve 10 and the fixed frame 9 are transmitted to the upright post 11 and the connecting plate 13, the connecting plate 13 presses the shock-proof seat 15 and the partial pressure seats 16, the shock-proof seat 15 absorbs and consumes shock force through elastic deformation, the partial pressure seats 16 transmit shock to the sound absorption layer 4, the interior of the sound absorption layer 4 collides with each other to consume and buffer the shock force, meanwhile, the generated noise is gradually absorbed in the internal transmission process of the sound absorption layer 4, the noise conducted to the supporting block 7 enters the sound absorption pipe 17 and is absorbed and consumed in the sound absorption pipe 17, the energy of the outward transmission of the noise is reduced, the track bed is stable and reasonable in structure, the vibration generated in the driving process of the vehicle can be effectively absorbed and buffered, the outward transmission noise is effectively reduced by matching with the sound absorption structure, and the noise pollution of the surrounding environment is reduced.

In conclusion, in the track bed with the noise absorption function, the track is fixed with the pillow plate 8 through the fixing sleeve 10, when in use, the vibration generated by the running of the vehicle is transmitted to the fixing sleeve 10 through the track, the vibration is transmitted to the upright post 11 and the connecting plate 13 through the fixing sleeve 10 and the fixing frame 9, the connecting plate 13 presses the anti-vibration seat 15 and the pressure dividing seat 16, the anti-vibration seat 15 absorbs and consumes the vibration through elastic deformation, the pressure dividing seat 16 transmits the vibration to the sound absorption layer 4, the sandstone in the sound absorption layer 4 collides with each other to absorb and buffer the vibration, the generated noise is gradually absorbed in the transmission process in the sound absorption layer 4, the noise transmitted to the supporting block 7 enters the sound absorption pipe 17 and is absorbed and consumed in the sound absorption pipe 17 to reduce the energy transmitted by the noise, the track bed has stable and reasonable structure, and can effectively absorb and buffer the vibration generated in the running process of the vehicle, and cooperate and inhale the noise that the sound structure effectively reduces the outward propagation, reduce the noise pollution of surrounding environment, solved traditional track ballast bed in the use, be difficult to the noise that the vehicle travel produced and cushion the absorption, lead to the vehicle to travel the environment and have great noise pollution, produce the problem of great harm to peripheral resident and pedestrian.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 track bed with noise absorption function, includes geotechnical cloth (1), its characterized in that: the sound absorption and insulation structure is characterized in that a bottom plate (2) is fixedly mounted at the top of the geotextile (1), a first mortar plate (3) is fixedly mounted at the top of the bottom plate (2), a sound absorption layer (4) is fixedly mounted at the top of the first mortar plate (3), a second mortar plate (5) is fixedly mounted at the top of the sound absorption layer (4), a cushion plate (6) is fixedly mounted at the top of the second mortar plate (5), supporting blocks (7) are fixedly mounted at the top of the cushion plate (6), two pillow plates (8) which are fixedly connected with the left side and the right side of the supporting blocks (7) respectively are fixedly mounted at the top of the cushion plate (6), fixing frames (9) which are fixedly connected with the tops of the fixing frames (9) and have four ends respectively extending to the two pillow plates (8) are fixedly mounted at the tops of the two pillow plates (8), twelve upright columns (11) which are arranged at the bottom of the fixed frame (9) and penetrate through the cushion plate (6) and the second mortar board (5), supporting and protecting plates (12) fixedly connected with the geotextile (1), the first mortar plate (3), the sound absorbing layer (4), the second mortar plate (5) and the cushion plate (6) are fixedly arranged at the left side and the right side of the bottom plate (2), connecting plates (13) positioned at the bottoms of the second mortar plates (5) are fixedly arranged at the bottoms of the twelve upright posts (11), the top of the first mortar board (3) is fixedly provided with two backing boards (14), the anti-seismic seats (15) are fixedly arranged on the opposite sides of the connecting plate (13) and the two backing plates (14), the bottom of the connecting plate (13) is fixedly provided with a partial pressure seat (16) positioned in the sound absorption layer (4), the inside fixed mounting of supporting shoe (7) is the sound absorbing pipe (17) of quantity three.

2. A track bed with noise absorption function according to claim 1, wherein: the sound absorption pipe (17) comprises a PVC pipe and fine sand filler, the fine sand filler is filled in the PVC pipe, and the sound absorption pipe (17) is fixedly installed in the supporting block (7).

3. A track bed with noise absorption function according to claim 1, wherein: the top of the supporting block (7) is arranged in a circular arc shape, and the partial pressure seat (16) is arranged in a T shape.

4. A track bed with noise absorption function according to claim 1, wherein: the sound absorption layer (4) is a gravel filling plate, and the upright columns (11) are welded with the connecting plate (13).

5. A track bed with noise absorption function according to claim 1, wherein: the number of the partial pressure seats (16) is four and the partial pressure seats are transversely uniformly distributed at equal intervals, and threads are arranged in the fixed sleeve (10).

6. A track bed with noise absorption function according to claim 1, wherein: antidetonation seat (15) include rubber sleeve, metal core and foil, the top fixed mounting of backing plate (14) has the metal core, the relative one side fixed mounting of backing plate (14) and connecting plate (13) has the rubber sleeve, the outside fixed mounting of metal core has the foil that is located the rubber sleeve inside.