CN216006455U

CN216006455U - Be used for subway track vibration/noise reduction structure

Info

Publication number: CN216006455U
Application number: CN202122058485.8U
Authority: CN
Inventors: 康小琳
Original assignee: Hebei Lutong Railway Equipment Co ltd
Current assignee: Hebei Lutong Railway Equipment Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-11
Anticipated expiration: 2031-08-30

Abstract

The utility model relates to the technical field of shock absorption and noise reduction, in particular to a shock absorption and noise reduction structure for a subway rail, which comprises a noise reduction and vibration reduction structure, wherein the noise reduction and vibration reduction structure comprises a noise reduction plate, the top of the noise reduction plate is provided with a second clamping groove, the top of the noise reduction plate is fixedly connected with two symmetrical fixing plates, one side of the tops of the two fixing plates is provided with two first through holes, one side of each fixing plate is provided with two first positioning holes, the top of the noise reduction plate is clamped with a rail, and two sides of the top of the guide rail are provided with two second through holes. The utility model has the advantages that: fall the first draw-in groove joint guide rail of board of making an uproar, fall the fixed plate at board top of making an uproar and be used for fixed guide rail, first through-hole passes through bolt fixed connection with the second through-hole, and the produced noise can fall the noise elimination through falling the board of making an uproar when the subway passes through the guide rail, because there is draw-in groove and fixed plate so the subway pass through the vibrations that the guide rail produced can greatly reduced.

Description

Be used for subway track vibration/noise reduction structure

Technical Field

The utility model relates to the technical field of shock absorption and noise reduction, in particular to a shock absorption and noise reduction structure for a subway rail.

Background

The subway in China is developed very rapidly, the subway in the city cannot leave our lives, the subway is very convenient to go out, the influence of the subway on the surrounding environment is increased along with the increase of the speed of the subway and the increase of the driving density, a certain amount of impact energy is generated in the contact process of wheels and the rail in the subway, the influence of the generated vibration and noise on the surrounding environment and buildings cannot be avoided, the vibration and noise reduction of the subway rail is related to the lives of surrounding residents, and the stability of surrounding buildings and the measurement of surrounding precision measurement objects are related.

Therefore, it is necessary to develop a noise reduction and damping system for the inner track of the tunnel, which can reduce vibration and reduce noise, but the prior art has a complicated structure for the damping and noise reduction device for the subway track, and not only is it inconvenient to install and fix, but also the use of various noise reduction parts does not have a good noise reduction and damping effect, and the inconvenience is brought for the maintenance in the later period, and the device solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a damping and noise reducing structure for a subway rail.

The purpose of the utility model is realized by the following technical scheme: a shock-absorbing and noise-reducing structure for subway rails comprises a noise-reducing and shock-absorbing structure, wherein the noise-reducing and shock-absorbing structure comprises a noise-reducing plate, the top of the noise-reducing plate is provided with a second clamping groove, the top of the noise-reducing plate is fixedly connected with two symmetrical fixed plates, one side of each of the two fixed tops is provided with two first through holes, one side of each of the two fixed plates is provided with two first positioning holes, the top of the noise-reducing plate is clamped with a rail, two sides of the top of the guide rail are provided with two second through holes, two sides of the rail are provided with a shock-absorbing and noise-reducing damping pad, one side of each of the two shock-absorbing and noise-reducing damping pads is provided with a second clamping groove, two second clamping grooves are clamped with a shock-absorbing component, the shock-absorbing component comprises a positioning plate, one side of the positioning plate is provided with two second positioning holes, and one side of the positioning plate is fixedly connected with a supporting plate, the bottom fixedly connected with reinforcing plate of backup pad, one side fixedly connected with locating plate of backup pad is kept away from to the reinforcing plate, two first fixed subassemblies of the equal fixedly connected with in one side of guide rail, two second fixed subassemblies of the equal fixedly connected with of opposite side of guide rail.

Optionally, the first fixing assembly comprises a first fixing long block, a first limiting plate is fixedly connected to two sides of the first fixing long block, and first limiting holes are formed in two sides of the first limiting plate.

Optionally, the second fixing assembly comprises a second fixing long block, a second limiting plate is fixedly connected to two sides of the second fixing long block, and second limiting holes are formed in two sides of the second limiting plate.

Optionally, the shape and size of the first through hole are matched with the shape and size of the second through hole, and the first through hole and the second through hole are fixedly connected through a bolt.

Optionally, the shape and size of the first positioning hole are matched with those of the second positioning hole, and the first positioning hole and the second positioning hole are fixedly connected through a bolt.

Optionally, the second limiting plate is fixedly connected to one end of the first limiting plate, the shape and size of the second limiting hole are matched with those of the first limiting hole, and the second limiting hole is fixedly connected with the first limiting hole through a bolt.

Optionally, the shape and size of the grooves on the two sides of the guide rail are matched with the shape and size of the damping pad for shock absorption and noise reduction.

The utility model has the following advantages:

1. fall the first draw-in groove joint guide rail of board of making an uproar, the fixed plate at board top of making an uproar is used for fixed guide rail, and first through-hole passes through bolt fixed connection with the second through-hole, and the produced noise can fall the noise elimination of making an uproar through falling the board of making an uproar when the subway passes through the guide rail, because there is the vibrations that so subway of draw-in groove and fixed plate produced through the guide rail can greatly reduced, also can let the more stability of guide rail.

2. The damping pad of making an uproar falls by first fixed subassembly and the fixed both sides at the guide rail of second, the one side at first limiting plate is fixed to the second limiting plate, spacing hole of second and the looks adaptation of first spacing hole on the second limiting plate, and through bolt fixed connection, because there is the fixed of the fixed subassembly of first fixed subassembly and second, the damping pad of making an uproar falls also can not drop when the subway process, can use for a long time, produced noise and vibrations can be absorbed by the damping pad of making an uproar falls when the subway advances the damping pad of making an uproar falls, noise and vibrations after the absorption can greatly reduced, can not influence resident's life on the subway.

3. Backup pad joint in the second draw-in groove among the damper, second locating hole and first locating hole fixed connection on the locating plate, damper can be stable fix in the middle of the guide rail falls the board of making an uproar like this, be used for the wallboard to strengthen damper's stability and shock attenuation effect in the middle of backup pad and the locating plate, subway process damper can stabilize the guide rail and fall the board of making an uproar when, damper also can stabilize the guide rail and fall the vibrations that the board of making an uproar brought the subway, replace and fall the damping structure of making an uproar and the damping pad of making an uproar and reduce the burden, the vibrations evenly distributed that lets three subassembly receive, just so can not lead to its life-span reduction or damage because of the vibrations that receive too much.

Drawings

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

FIG. 2 is a schematic diagram of the explosive structure of the present invention;

FIG. 3 is a schematic structural diagram of a noise-reducing and shock-absorbing structure according to the present invention;

FIG. 4 is a schematic structural view of the shock absorbing assembly of the present invention;

in the figure: 1-noise reduction and shock absorption structure, 101-noise reduction plate, 102-first clamping groove, 103-fixing plate, 104-first through hole, 105-first positioning hole, 2-guide rail, 201-second through hole, 3-shock absorption and noise reduction damping pad, 301-second clamping groove, 4-shock absorption component, 401-positioning plate, 402-second positioning hole, 403-supporting plate, 404-reinforcing plate, 5-first fixing component, 501-first fixing long block, 502-first limiting plate, 503-first limiting hole, 6-second fixing component, 601-second fixing long block, 602-second limiting plate, 603-second limiting hole.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1-4, a shock-absorbing and noise-reducing structure for subway rails comprises a noise-reducing and noise-reducing structure 1, wherein the noise-reducing and noise-reducing structure 1 comprises a noise-reducing plate 101, a first engaging groove 102 is formed at the top of the noise-reducing plate 101, two symmetrical fixing plates 103 are fixedly connected to the top of the noise-reducing plate 101, two first through holes 104 are formed at one side of the tops of the two fixing plates 103, two first positioning holes 105 are formed at one side of each fixing plate 103, the first engaging groove 102 of the noise-reducing plate 101 is engaged with a guide rail 2, the fixing plate 103 at the top of the noise-reducing plate 101 is used for fixing the guide rail 2, the first through hole 104 is fixedly connected with the second through hole 201 through a bolt, noise generated when a subway passes through the guide rail 2 can be reduced through the noise-reducing plate 101 to eliminate the noise, vibration generated through the guide rail 2 can be greatly reduced due to the fixing of the engaging groove 102 and the fixing plate 103, and the guide rail 2 can be more stable, the top of the noise reduction plate 101 is clamped with a rail 2, two sides of the top of the guide rail 2 are respectively provided with two second through holes 201, two sides of the rail 2 are respectively provided with a damping pad 3 for shock absorption and noise reduction, one side of each of the two damping pads 3 for shock absorption and noise reduction is respectively provided with a second clamping groove 301, noise and vibration generated when a subway enters the damping pad 3 for shock absorption and noise reduction can be absorbed by the damping pad 3 for shock absorption and noise reduction, the absorbed noise and vibration can be greatly reduced without influencing the life of residents on the subway, the two second clamping grooves 301 are respectively clamped with the damping component 4, the damping component 4 comprises a positioning plate 401, one side of the positioning plate 401 is provided with two second positioning holes 402, one side of the positioning plate 401 is fixedly connected with a supporting plate 403, the bottom of the supporting plate 403 is fixedly connected with a reinforcing plate 404, one side of the reinforcing plate 404 far away from the supporting plate 403 is fixedly connected with the positioning plate 401, the supporting plate 403 in the damping component 4 is clamped with the second clamping grooves 301, the second positioning hole on the positioning plate 401 is fixedly connected with the first positioning hole 105, so that the shock absorption assembly 4 can be stably fixed between the guide rail 2 and the noise reduction plate 101, the wall plate 404 is used for enhancing the stability and the shock absorption effect of the shock absorption assembly 4 between the supporting plate 403 and the positioning plate 401, the shock absorption assembly 4 can stabilize the guide rail 2 and the noise reduction plate 101 when the subway passes, the guide rail 2 and the noise reduction plate are more stable, the shock absorption assembly 4 can also absorb shock brought by the subway while stabilizing the guide rail 2 and the noise reduction plate 101, the load is reduced by replacing the noise reduction shock absorption structure 1 and the shock absorption and noise reduction damping pad 3, the shock borne by the three assemblies is uniformly distributed, thus the service life of one assembly is not reduced or damaged due to too much shock borne, two first fixing assemblies 5 are fixedly connected to one side of the guide rail 2, two second fixing assemblies 6 are fixedly connected to the other side of the guide rail 2, damping pad 3 of making an uproar falls by first fixed subassembly 5 and the fixed both sides at guide rail 2 of second, and second limiting plate 602 is fixed in one side of first limiting plate 502, and the spacing hole 603 of second on the second limiting plate 602 and the first spacing hole 503 looks adaptation, and through bolt fixed connection, because there are the fixed of the fixed subassembly 6 of first fixed subassembly 5 and second, damping pad 3 of making an uproar falls also can not drop when the subway process, can use for a long time.

As a preferred technical scheme of the utility model: first fixed subassembly 5 includes first fixed long piece 501, first limiting plate 502 of the equal fixedly connected with in both sides of first fixed long piece 501, and first spacing hole 503 has all been seted up to the both sides of two first limiting plates 502, and the length of the fixed subassembly 6 of second will be long than the length of first fixed subassembly 5, so the outside at the fixed subassembly 6 of second is fixed to first fixed subassembly 5.

As a preferred technical scheme of the utility model: the fixed subassembly 6 of second includes the fixed rectangular piece 601 of second, and a second limiting plate 602 of the equal fixedly connected with in both sides of the fixed rectangular piece 601 of second, the spacing hole 603 of second has all been seted up to the both sides of two second limiting plates 602, and the length of first fixed subassembly 5 does not have the fixed subassembly 6 length of second long, so the fixed subassembly fixed connection of second is in the outside of first fixed subassembly 5.

As a preferred technical scheme of the utility model: the shape and size of the first through hole 104 are matched with those of the second through hole 201, and the first through hole 104 and the second through hole 201 are fixedly connected through bolts.

As a preferred technical scheme of the utility model: the shape and size of the first positioning hole 105 are matched with those of the second positioning hole 402, and the first positioning hole 105 and the second positioning hole 402 are fixedly connected through bolts.

As a preferred technical scheme of the utility model: the second limiting plate 602 is fixedly connected to one end of the first limiting plate 502, the shape and size of the second limiting hole 603 are matched with the shape and size of the first limiting hole 503, and the second limiting hole 603 is fixedly connected to the first limiting hole 503 through a bolt.

As a preferred technical scheme of the utility model: the shape and size of the grooves on the two sides of the guide rail 2 are matched with the shape and size of the damping pad 3 for vibration and noise reduction, and the damping pad 3 for vibration and noise reduction is attached to the guide rail 2.

In summary, the following steps: the first clamping groove 102 of the noise reduction plate 101 is clamped with the guide rail 2, the fixing plate 103 at the top of the noise reduction plate 101 is used for fixing the guide rail 2, the first through hole 104 is fixedly connected with the second through hole 201 through a bolt, noise generated when a subway passes through the guide rail 2 can be reduced through the noise reduction plate 101 to eliminate the noise, vibration generated by the subway passing through the guide rail 2 can be greatly reduced due to the fixing of the clamping groove 102 and the fixing plate 103, the guide rail 2 can be enabled to be more stable, the damping pad 3 for vibration and noise reduction is fixed at two sides of the guide rail 2 through the first fixing component 5 and the second fixing component 6, the second limiting plate 602 is fixed at one side of the first limiting plate 502, the second limiting hole 603 on the second limiting plate 602 is matched with the first limiting hole 503 and is fixedly connected through a bolt, and due to the fixing of the first fixing component 5 and the second fixing component 6, the damping pad 3 for vibration and noise reduction can not fall down when the subway passes, the damping component 4 can be stably fixed between the guide rail 2 and the noise reduction plate 101, the wall plate 404 between the support plate 403 and the positioning plate 401 is used for enhancing the stability and the damping effect of the damping component 4, the damping component 4 can stabilize the guide rail 2 and the noise reduction plate 101 when the subway passes, the guide rail 2 and the noise reduction plate are more stable, the damping component 4 can also stabilize the guide rail 2 and the noise reduction plate 101 and simultaneously damp vibration brought by the subway, and the burden of the noise reduction damping structure 1 and the noise reduction damping pad 3 is reduced instead of the noise reduction damping structure 1 and the noise reduction damping pad 3, the three components are uniformly subjected to vibration, so that the service life of one component is not reduced or damaged due to too much vibration.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for subway track vibration/noise reduction structure which characterized in that: the damping structure comprises a noise reduction damping structure (1), wherein the noise reduction damping structure (1) comprises a noise reduction plate (101), a first clamping groove (102) is formed in the top of the noise reduction plate (101), two symmetrical fixing plates (103) are fixedly connected to the top of the noise reduction plate (101), two first through holes (104) are formed in one side of the tops of the two fixing plates (103), two first positioning holes (105) are formed in one side of each fixing plate (103), a guide rail (2) is clamped on the top of the noise reduction plate (101), two second through holes (201) are formed in two sides of the top of the guide rail (2), a vibration and noise reduction damping pad (3) is arranged on each side of the guide rail (2), a second clamping groove (301) is formed in one side of each vibration and noise reduction damping pad (3), and a vibration and noise reduction assembly (4) is clamped and disassembled in the second clamping grooves (301), damping component (4) include locating plate (401), two second locating holes (402) have been seted up to one side of locating plate (401), one side fixed connection backup pad (403) of locating plate (401), bottom fixedly connected with reinforcing plate (404) of backup pad (403), one side fixedly connected with locating plate (401) of backup pad (403) are kept away from in reinforcing plate (404), two first fixed subassemblies (5) of the equal fixedly connected with in one side of guide rail (2), two fixed subassemblies of the equal fixedly connected with (6) of opposite side of guide rail (2).

2. The damping and noise-reducing structure for the subway rail according to claim 1, wherein: first fixed subassembly (5) include first fixed long block (501), first limiting plate (502) of the equal fixedly connected with in both sides of first fixed long block (501), two first spacing hole (503) have all been seted up to the both sides of first limiting plate (502).

3. The damping and noise-reducing structure for the subway rail according to claim 1, wherein: the fixed subassembly of second (6) includes fixed long piece (601) of second, second limiting plate (602) of the equal fixedly connected with in both sides of the fixed long piece of second (601), two spacing hole of second (603) has all been seted up to the both sides of second limiting plate (602).

4. The damping and noise-reducing structure for the subway rail according to claim 1, wherein: the shape and the size of the first through hole (104) are matched with those of the second through hole (201), and the first through hole (104) and the second through hole (201) are fixedly connected through bolts.

5. The damping and noise-reducing structure for the subway rail according to claim 1, wherein: the shape and the size of the first positioning hole (105) are matched with those of the second positioning hole (402), and the first positioning hole (105) and the second positioning hole (402) are fixedly connected through bolts.

6. The damping and noise-reducing structure for the subway rail according to claim 3, wherein: the second limiting plate (602) is fixedly connected to one end of the first limiting plate (502), the shape and the size of the second limiting hole (603) are matched with those of the first limiting hole (503), and the second limiting hole (603) is fixedly connected with the first limiting hole (503) through a bolt.

7. The damping and noise-reducing structure for the subway rail according to claim 1, wherein: the shape and the size of the grooves on the two sides of the guide rail (2) are matched with those of the damping pad (3) for damping and reducing noise.