CN115897303A

CN115897303A - Subway is with antidetonation buffer

Info

Publication number: CN115897303A
Application number: CN202211460021.2A
Authority: CN
Inventors: 郝磊; 介艳良; 钟凡
Original assignee: Xian Traffic Engineering Institute
Current assignee: Xian Traffic Engineering Institute
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-04-04

Abstract

The invention relates to the technical field of vibration reduction of subway guide rails and discloses an anti-seismic buffer for a subway, which comprises a steel rail, wherein a connecting frame is fixedly arranged on one side of the steel rail, sound insulation damping is fixedly arranged on the inner wall of the connecting frame, a sound attenuation plate is fixedly arranged at one end, far away from the steel rail, of the connecting frame, a sound attenuation hole is formed in one side of the sound attenuation plate, insulating blocks are arranged at the bottoms of two sides of the steel rail, and an elastic base plate is fixedly arranged at the bottom of the steel rail. This antidetonation buffer for subway, through setting up first connecting plate, utilize the sliding connection of movable festival and fixed knot, make the vibrations that produce when using the subway track cushion the energy-absorbing through the buffering spring, and then avoided the impact energy to orbital damage, guaranteed orbital life, and then improved the shock resistance that the track traveles to the subway, guaranteed the orbital buffering efficiency of subway, and then guaranteed orbital long-term use.

Description

Subway is with antidetonation buffer

Technical Field

The invention relates to the technical field of subway guide rail vibration reduction, in particular to an anti-seismic buffer for a subway.

Background

The subway is a rapid, large-traffic and electric power traction rail transit built in cities, trains run on fully-closed lines, the lines in a central urban area are basically arranged in underground tunnels, and the subway is an urban rail transit system which covers various underground and overground rights of ways in urban areas, is special, high-density and high-traffic.

When the subway runs on the rail, strong vibration can be generated, a certain amount of vibration impact energy can be generated in the contact process of the wheels and the rail, the rail can be damaged, the service life of the rail is influenced, the long-term use of the subway rail is not facilitated, in addition, the subway rail generates large noise when in use, noise pollution is caused, and the daily life of residents around the subway rail is further influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the anti-seismic buffer for the subway, which has the advantages of high safety of the efficient damping and buffering subway guide rail, noise reduction and protection of the living environment around the subway, more stable structure and higher practicability, and solves the problems in the background art.

The invention provides the following technical scheme: the utility model provides an antidetonation buffer for subway, includes the rail, one side fixed mounting of rail has the link, the inner wall fixed mounting of link has noise damping, the one end fixed mounting that the rail was kept away from to the link has the acoustical panel, the bloop has been seted up to one side of acoustical panel, the bottom of rail both sides all is provided with the insulating block, the bottom fixed mounting of rail has the elastic backing plate, the bottom fixed mounting of elastic backing plate has the iron base plate, the top fixedly connected with gauge baffle of iron base plate, and gauge baffle is located the one side that the insulating block was kept away from to the elastic backing plate, the bottom fixed mounting of iron base plate has the built-in fitting, the bottom overlap joint of iron base plate has the floating table, and the one end that the iron base plate was kept away from to the built-in fitting pegs graft with the floating table, the bottom fixed mounting of floating table has first connecting plate, the bottom fixed mounting of first connecting plate has the buffering spring, the one end fixedly connected with the second connecting plate is kept away from to the buffering spring, the bottom fixed mounting of first connecting plate has the movable joint, the top fixedly connected with the spliced pole of movable joint inner chamber, the surface sliding connection of liquid is provided with the sliding plate, the sliding plate of the sliding connection of movable joint chamber, the inner wall of the sliding plate, the sliding plate.

Preferably, the number of the connecting frames and the number of the silencing plates are two, and the number of the silencing holes is multiple.

Preferably, there are two first connection plates, and the two first connection plates are respectively located on both sides of the bottom of the floating platform.

Preferably, a rubber pad is arranged at the joint of the connecting column and the fixed joint, a sliding groove is formed in the inner wall of the fixed joint, and the sliding plate is in sliding connection with the side wall of the sliding groove.

Preferably, the sliding plate is provided at the bottom thereof with a flow valve, and divides the inner cavity of the fixed link into a liquid cavity and a gas cavity.

Preferably, the liquid chamber is filled with hydraulic oil, and the gas chamber is filled with inert gas.

Preferably, the air pressure in the air cavity is twice of the air pressure outside the air cavity, and a sliding block is fixedly arranged at the joint of the sliding plate and the inner wall of the fixed joint.

Preferably, the top of the first connecting plate and the bottom of the second connecting plate are both made of elastic rubber, a plurality of sub-chambers are arranged in the connecting frame, and sound insulation damping is fixedly arranged on the inner walls of the sub-chambers.

Compared with the prior art, the invention has the following beneficial effects:

1. this antidetonation buffer for subway, through setting up first connecting plate, utilize the sliding connection of movable joint and fixed knot, make the vibrations that produce when using subway track cushion the energy-absorbing through the buffering spring, and then avoided the impact energy to orbital damage, improved orbital life, and then improved the shock resistance of track to subway traveling, guaranteed subway track's buffering efficiency, and then guaranteed orbital long-term use.

2. This shock-proof buffer for subway, through setting up the liquid chamber, utilize the hydraulic oil of liquid intracavity, when first connecting plate top received the impact, slide in the liquid chamber through the piston for hydraulic oil fully flows in the liquid intracavity, utilizes the friction between the fluid molecule, cooperates the interior atmospheric pressure of gaseous intracavity to be higher than outside atmospheric pressure simultaneously, and then has strengthened the impact energy absorption to vibrations, has further improved orbital shock-proof buffering efficiency, has guaranteed orbital stability in use.

3. This antidetonation buffer is used to subway through setting up the link, utilizes the syllable-dividing damping of link inner wall installation for noise that produces when using the track carries out noise cancelling treatment, through a plurality of bloop on the acoustical panel, further improved the performance of making an uproar of falling, slowed down the noise in the subway use, avoided noise pollution, protected the peripheral resident's of subway living environment, and then guaranteed the various functionality of buffer.

Drawings

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

FIG. 2 is an enlarged view of the structure A of FIG. 1;

FIG. 3 is a schematic view of the bottom structure of the floating plate according to the present invention;

FIG. 4 is a schematic structural view of a movable joint and a fixed joint of the present invention;

FIG. 5 is a schematic view of the internal structure of the movable joint and the fixed joint of the present invention.

In the figure: 1. a steel rail; 2. a connecting frame; 3. sound insulation and damping; 4. a sound-absorbing plate; 5. a silencing hole; 6. an insulating block; 7. an elastic backing plate; 8. a gauge apron; 9. an iron backing plate; 10. embedding parts; 11. a floating platform; 12. a first connecting plate; 13. a buffer spring; 14. a second connecting plate; 15. a movable section; 16. connecting columns; 17. a piston; 18. a fixed joint; 19. a liquid chamber; 20. a gas chamber; 21. a sliding plate.

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.

Referring to fig. 1-5, an anti-seismic buffer for a subway comprises a steel rail 1, a connecting frame 2 is fixedly mounted on one side of the steel rail 1, a sound insulation damper 3 is fixedly mounted on the inner wall of the connecting frame 2, a sound attenuation plate 4 is fixedly mounted on one end, far away from the steel rail 1, of the connecting frame 2, a sound attenuation hole 5 is formed in one side of the sound attenuation plate 4, insulating blocks 6 are arranged at the bottoms of two sides of the steel rail 1, an elastic cushion plate 7 is fixedly mounted at the bottom of the steel rail 1, an iron cushion plate 9 is fixedly mounted at the bottom of the elastic cushion plate 7, a track gauge baffle 8 is fixedly connected to the top of the iron cushion plate 9, the track gauge baffle 8 is located on one side, far away from the insulating blocks 6, an embedded part 10 is fixedly mounted at the bottom of the iron cushion plate 9, a floating table 11 is lapped at the bottom of the embedded part 9, one end, far away from the iron cushion plate 9, of the embedded part 10 is spliced with a floating table 11, a first connecting plate 12 is fixedly mounted at the bottom of the floating table 11, a buffer spring 13 is fixedly mounted at the bottom of the first connecting plate 12, a sliding joint cavity is fixedly connected with a second connecting plate 14 at one end, a movable joint 15 is fixedly mounted at the bottom of the floating table 13, a sliding joint cavity 18 is fixedly connected with a sliding joint cavity of the sliding joint 16, a sliding joint cavity 18, a sliding joint cavity 16 is fixedly connected with a sliding joint cavity 18, a sliding joint cavity 16 is arranged in which is fixedly connected with a sliding joint cavity 18, and a sliding joint cavity 18, a sliding joint cavity 16 is arranged in the sliding joint cavity 16.

Wherein, link 2 and acoustical panel 4 all have two, and the bloop 5 has a plurality of, and the damping 3 that gives sound insulation is installed to 2 inner walls of link, and the damping 3 that gives sound insulation carries out noise reduction to subway track's noise and handles, and the further sound processing of inhaling of a plurality of bloop 5 to the noise has improved the amortization functionality of buffer.

The number of the first connecting plates 12 is two, and the two first connecting plates 12 are respectively located on two sides of the bottom of the floating platform 11, so that the shock of the rail on the first connecting plates 12 is buffered and absorbed through the buffer springs 13, and the stability of the buffer is improved.

Wherein, the junction of spliced pole 16 and fixed knot 18 is provided with the rubber pad, and the spout has been seted up to the inner wall of fixed knot 18, and sliding plate 21 and spout lateral wall sliding connection utilize the rubber pad of spliced pole 16 and the junction of fixed knot 18, have guaranteed the leakproofness of fixed knot 18 inner chamber.

The bottom of the sliding plate 21 is provided with a flow valve, the sliding plate 21 divides the inner cavity of the fixed joint 18 into a liquid cavity 19 and a gas cavity 20, and hydraulic oil in the liquid cavity 19 passes through the flow valve on the piston 17 and utilizes the movable friction in oil molecules to further improve the shock-absorbing performance.

Wherein, the inside packing of liquid chamber 19 has hydraulic oil, and the intussuseption of gas chamber 20 is filled with inert gas, utilizes the gaseous invariant in the gas chamber 20, when piston 17 removes to sliding plate 21 direction, makes sliding plate 21 remove to the bottom, and then makes the increase of gas chamber 20 internal gas pressure, makes the buffer more stable.

Wherein, the inside atmospheric pressure of gas chamber 20 is the twice of outside atmospheric pressure, and sliding plate 21 and the 18 inner wall junction fixed mounting of fixed knot have the slider, utilize the spout of the inner wall of slider and fixed knot 18, and then make through 17 downstream, 21 downstream are moved in the buffer solution top, and then utilize the high atmospheric pressure in 20 for further cushion the impact that receives the track, and then improved orbital antidetonation shock-absorbing capacity.

Wherein, the top of first connecting plate 12 and the bottom of second connecting plate 14 comprise by elastic rubber, are provided with a plurality of locellus in the link 2, and the equal fixed mounting of inner wall of locellus has syllable-dividing damping 3, use through the installation of a plurality of syllable-dividing damping 3, and then guaranteed the noise reduction treatment effect to the noise, through the further buffering energy-absorbing of the top of first connecting plate 12 and the bottom elastic rubber of acoustical panel 4 to vibrations impact, stability when having improved the buffer and using.

The theory of operation, when using this subway antidetonation buffer, through the sliding connection of movable joint 15 and fixed knot 18, make the vibrations that produce when using the subway track cushion the energy-absorbing through buffering spring 13, and then avoided the impact energy to orbital damage, through the flow valve on the piston 17 of the hydraulic oil in the liquid chamber 19, and then make the hydraulic oil flow from top to bottom in the liquid chamber 19, utilize the internal friction between the fluid molecule, the buffering efficiency of vibrations has further been improved, through the syllable-dividing damping 3 of 2 inner wall installations of link, utilize syllable-dividing damping 3 to make the noise that produces when using the track carry out the amortization processing, through a plurality of bloop 5 on the bloop 4, utilize bloop 5 further to improve the noise reduction performance, the noise in the subway use has been slowed down.

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. The utility model provides an antidetonation buffer is used to subway, includes rail (1), its characterized in that: the steel rail damping device is characterized in that a connecting frame (2) is fixedly mounted on one side of a steel rail (1), a sound insulation damping (3) is fixedly mounted on the inner wall of the connecting frame (2), a sound insulation board (4) is fixedly mounted on one end, far away from the steel rail (1), of the connecting frame (2), a sound insulation hole (5) is formed in one side of the sound insulation board (4), insulating blocks (6) are arranged at the bottoms of the two sides of the steel rail (1), an elastic base plate (7) is fixedly mounted at the bottom of the steel rail (1), an iron base plate (9) is fixedly mounted at the bottom of the elastic base plate (7), a gauge baffle (8) is fixedly connected to the top of the iron base plate (9), the gauge baffle (8) is located on one side, far away from the insulating blocks (6), of the elastic base plate (7), an embedded part (10) is fixedly mounted at the bottom of the iron base plate (9), a floating platform (11) is lapped on the bottom of the iron base plate (9), one end, far away from the iron base plate (9), is spliced with a floating platform (11), a floating platform (13) is fixedly connected with a first connecting plate (12), and a buffering spring (13) is fixedly mounted at one end of the first connecting plate (12), the bottom fixed mounting of first connecting plate (12) has movable festival (15), the top fixedly connected with spliced pole (16) of movable festival (15) inner chamber, the bottom fixed mounting of spliced pole (16) has piston (17), the surperficial sliding connection of spliced pole (16) has fixed festival (18), and fixed festival (18) and movable festival (15) sliding connection, the inside of fixed festival (18) is provided with liquid chamber (19), the below of liquid chamber (19) is provided with gaseous chamber (20), the inner wall sliding mounting of fixed festival (18) has sliding plate (21).

2. An anti-seismic buffer for a subway according to claim 1, wherein: the connecting frame (2) and the silencing plate (4) are both provided with two, and the silencing holes (5) are provided with a plurality of holes.

3. An anti-seismic buffer for a subway according to claim 1, wherein: the number of the first connecting plates (12) is two, and the two first connecting plates (12) are respectively positioned at two sides of the bottom of the floating platform (11).

4. An anti-seismic buffer for a subway according to claim 1, wherein: the connecting structure is characterized in that a rubber pad is arranged at the connecting position of the connecting column (16) and the fixed joint (18), a sliding groove is formed in the inner wall of the fixed joint (18), and the sliding plate (21) is in sliding connection with the side wall of the sliding groove.

5. An anti-seismic buffer for a subway according to claim 1, wherein: the bottom of the sliding plate (21) is provided with a flow valve, and the sliding plate (21) divides the inner cavity of the fixed joint (18) into a liquid cavity (19) and a gas cavity (20).

6. An anti-seismic buffer for a subway according to claim 1, characterized in that: the liquid cavity (19) is filled with hydraulic oil, and the gas cavity (20) is filled with inert gas.

7. An anti-seismic buffer for a subway according to claim 1, wherein: the air pressure in the air cavity (20) is twice of the air pressure outside, and a sliding block is fixedly arranged at the joint of the sliding plate (21) and the inner wall of the fixed joint (18).

8. An anti-seismic buffer for a subway according to claim 1, wherein: the top of the first connecting plate (12) and the bottom of the second connecting plate (14) are both made of elastic rubber, a plurality of sub-chambers are arranged in the connecting frame (2), and sound insulation damping (3) are fixedly mounted on the inner walls of the sub-chambers.