CN216006456U

CN216006456U - Noise-reducing and shock-absorbing device for subway rail

Info

Publication number: CN216006456U
Application number: CN202122349377.6U
Authority: CN
Inventors: 李桩; 陈光建; 王博军; 黄水灵; 王艳军; 任亨; 刘凯林; 林丛
Original assignee: Third Engineering Co Ltd of China Railway Electrification Engineering Group Co Ltd
Current assignee: Third Engineering Co Ltd of China Railway Electrification Engineering Group Co Ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-03-11
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a damping device that makes an uproar falls in subway track, include: a plurality of cushioning mechanisms are arranged at the bottom of the inner wall of the concave table, base stations are arranged at the tops of the cushioning mechanisms, the top of the base station is provided with a track main body, the bottom of the inner wall of the concave station is connected with two supporting stations, the tops of the two supporting stations are both connected with sound-absorbing sponges, the tops of the two sound-absorbing sponges are both connected with the bottom of the base station, the stress plate and the first movable block are pressed by the base station, the stress plate presses the piston block by the ejector rod, the piston block presses the first spring, the first spring is pressed to play a role in shock absorption, and meanwhile, the first movable block presses the telescopic rod, because the shrink of telescopic link will drive one of them pressure disk and remove and press the second spring, play further shock attenuation through the second spring for the vibrations that the subway was gone are slowed down by a wide margin, avoid influencing surrounding environment and building.

Description

Noise-reducing and shock-absorbing device for subway rail

Technical Field

The utility model relates to a subway track technical field specifically is a damping device that makes an uproar falls in subway track.

Background

Rail transit refers to a type of vehicle or transportation system in which operating vehicles need to travel on a particular rail. The most typical rail transit is a railway system consisting of conventional trains and standard railways. With the diversified development of train and railway technologies, rail transit is more and more types, and is not only distributed in long-distance land transportation, but also widely applied to medium-short distance urban public transportation.

In subway rail transit, a certain amount of impact energy is generated in the contact process of wheels and rails, and the generated vibration can seriously affect the surrounding environment and buildings, so that a noise-reducing and shock-absorbing device for the subway rail is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art or the correlation technique.

Therefore, the utility model discloses the technical scheme who adopts does:

a noise and shock reducing device for a subway rail comprises: concave platform, the bottom of concave platform inner wall is provided with a plurality of bradyseism mechanisms, and is a plurality of the top of bradyseism mechanism is provided with the base station, the top of base station is provided with the track main part, the bottom of concave platform inner wall is connected with two brace tables, two the top of brace table all is connected with inhales the sound sponge, two the top of inhaling the sound sponge all is connected with the bottom of base station.

The present invention may be further configured in a preferred embodiment as: the cushioning mechanism includes that two support damper, two flexible damper and first movable block, two support damper all connects between the bottom of spill platform inner wall and the bottom of base station, first movable block is connected with the bottom of base station, first movable block is located two and supports between the damper, two flexible damper's one end supports damper with two respectively and is connected, two flexible damper's the other end all is connected with first movable block.

By adopting the technical scheme, the vibration of the subway running can be greatly reduced, and the influence on the surrounding environment and the building is avoided.

The present invention may be further configured in a preferred embodiment as: the supporting and damping assembly comprises a supporting block, a sliding cylinder, a piston block, a first spring, a push rod and a stress plate, the bottom of the supporting block is connected with the bottom of the inner wall of the concave table, the bottom of the sliding cylinder is connected with the top of the supporting block, the piston block is slidably connected to the inner wall of the sliding cylinder, the first spring is connected between the bottom of the inner wall of the sliding cylinder and the bottom of the piston block, the bottom of the push rod is connected with the top of the piston block, the top of the push rod extends out of the sliding cylinder, the bottom of the stress plate is connected with the top of the push rod, and the top of the stress plate is connected with the bottom of the base table.

Through adopting above-mentioned technical scheme, the vibrations that travel to the subway slow down tentatively, reduce the influence that vibrations produced.

The present invention may be further configured in a preferred embodiment as: the supporting and shock-absorbing assembly further comprises a second movable block, and the second movable block is connected with one side of the supporting block.

Through adopting above-mentioned technical scheme, let support damper and flexible damper can connect the effect that slows down that promotes vibrations.

The present invention may be further configured in a preferred embodiment as: flexible damper includes telescopic link, two pressure disks and second spring, the one end of telescopic link is rotated the cover and is established the surface at the second movable block, the other end of telescopic link is rotated the cover and is established the surface at first movable block, two the equal fixed connection of pressure disk is on the circumferential surface of telescopic link, the circumferential surface at the telescopic link is established to second spring movable sleeve, the both ends of second spring are connected with two pressure disks respectively.

Through adopting above-mentioned technical scheme, let vibrations can obtain further alleviating, the shock attenuation effect obtains further promotion.

The present invention may be further configured in a preferred embodiment as: and sound insulation boards are arranged on two sides of the inner wall of the concave table.

Through adopting above-mentioned technical scheme, through the noise that two acoustic celotex boards isolated part subway traveles and produce, avoid causing the influence to resident nearby.

By adopting the technical scheme, the utility model discloses the beneficial effect who gains does:

1. the utility model discloses in, press stress plate and first movable block through the base station, the stress plate will press the piston piece through the ejector pin, first spring is pressed to the piston piece, play absorbing effect through pressing down first spring, the telescopic link will be pressed down to first movable block simultaneously, because the shrink of telescopic link will drive one of them pressure disk and remove and press down the second spring, play further shock attenuation through the second spring, make the vibrations that the subway traveles slow down by a wide margin, avoid influencing surrounding environment and building.

2. The utility model discloses in, cooperate two through two acoustic celotex boards and inhale the sound sponge, two acoustic celotex boards can completely cut off the noise that partial subway traveles and produce, and two are inhaled the sound sponge and also can play partial shock attenuation effect simultaneously to it still possesses sound absorption effect to inhale the sound sponge, inhales the sound sponge through two acoustic celotex boards and two and comes to reduce the noise that the subway travel in-process produced, avoids too big noise to cause the influence to the resident near.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic sectional view of the shock absorbing mechanism of the present invention;

fig. 4 is an overall schematic view of the cushioning mechanism of the present invention.

Reference numerals:

1. a concave table; 2. a cushioning mechanism; 3. a base station; 4. a rail body; 5. a support table; 6. sound-absorbing sponge; 7. a sound insulating board; 8. supporting the shock absorbing assembly; 801. a support block; 802. a sliding cylinder; 803. a piston block; 804. a first spring; 805. a top rod; 806. a stress plate; 807. a second movable block; 9. a telescopic shock-absorbing assembly; 901. a telescopic rod; 902. a platen; 903. a second spring; 10. a first movable block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

It is to be understood that such description is merely exemplary and is not intended to limit the scope of the present invention.

The following describes a noise-reducing and shock-absorbing device for a subway rail according to some embodiments of the present invention with reference to the accompanying drawings.

The first embodiment is as follows:

with reference to fig. 1-4, the utility model provides a damping device that makes an uproar falls in subway track, include: concave platform 1, the bottom of concave platform 1 inner wall is provided with a plurality of bradyseism mechanisms 2, and the top of a plurality of bradyseism mechanisms 2 is provided with base station 3, and the top of base station 3 is provided with track main part 4, and the bottom of concave platform 1 inner wall is connected with two brace tables 5, and the top of two brace tables 5 all is connected with inhales sound sponge 6, and the top of two sound sponge 6 of inhaling all is connected with the bottom of base station 3.

When using, the subway will travel on track main part 4, produces violent vibrations when traveling, vibrations will transmit through base station 3 and carry out the shock attenuation for a plurality of bradyseism mechanisms 2, inhales sound sponge 6 simultaneously and also can play the shock attenuation effect of part to inhale sound sponge 6 and still possess and inhale the sound effect, reduce the noise that the subway travel produced, avoid influencing the surrounding environment.

Example two:

referring to fig. 2, on the basis of the first embodiment, the cushioning mechanism 2 includes two supporting damping assemblies 8, two telescopic damping assemblies 9 and a first movable block 10, the two supporting damping assemblies 8 are all connected between the bottom of the inner wall of the concave table 1 and the bottom of the base table 3, the first movable block 10 is connected with the bottom of the base table 3, the first movable block 10 is located between the two supporting damping assemblies 8, one ends of the two telescopic damping assemblies 9 are respectively connected with the two supporting damping assemblies 8, and the other ends of the two telescopic damping assemblies 9 are connected with the first movable block 10.

The vibrations of base station 3 transmission slow down through two support damper 8 to when supporting damper 8 shock attenuation, first movable block 10 will receive the pressure of base station 3, press two flexible damper 9 simultaneously, reach further absorbing effect through two flexible damper 9.

Example three:

referring to fig. 3-4, in the above embodiment, the supporting and shock-absorbing assembly 8 includes a supporting block 801, a sliding cylinder 802, a piston block 803, a first spring 804, a push rod 805 and a stress plate 806, the bottom of the supporting block 801 is connected to the bottom of the inner wall of the concave table 1, the bottom of the sliding cylinder 802 is connected to the top of the supporting block 801, the piston block 803 is slidably connected to the inner wall of the sliding cylinder 802, the first spring 804 is connected between the bottom of the inner wall of the sliding cylinder 802 and the bottom of the piston block 803, the bottom of the push rod 805 is connected to the top of the piston block 803, the top of the push rod 805 extends out of the sliding cylinder 802, the bottom of the stress plate 806 is connected to the top of the push rod 805, the top of the stress plate 806 is connected to the bottom of the base table 3, the supporting and shock-absorbing assembly 8 further includes a second movable block 807, the second movable block 807 is connected to one side of the supporting block 801, the telescopic shock-absorbing assembly 9 includes a telescopic rod 901, Two pressure disks 902 and second spring 903, the cover is rotated to the one end of telescopic link 901 and is established in the surface of second movable block 807, the other end of telescopic link 901 rotates the cover and is established in the surface of first movable block 10, two equal fixed connection of pressure disk 902 are on the circumferential surface of telescopic link 901, the circumferential surface of telescopic link 901 is established in the activity of second spring 903, the both ends of second spring 903 are connected with two pressure disks 902 respectively.

The stress plate 806 and the first movable block 10 are pressed through the base 3, the stress plate 806 presses the piston block 803 through the ejector rod 805, the piston block 803 presses the first spring 804 while sliding downwards inside the sliding cylinder 802, the shock-absorbing effect is achieved by pressing the first spring 804, the telescopic rod 901 is pressed by the first movable block 10, the telescopic rod 901 is contracted, two ends of the telescopic rod 901 rotate on the first movable block 10 and the second movable block 807 respectively, the second spring 903 is pressed by driving one of the pressing plates 902 to move due to contraction of the telescopic rod 901, and further shock absorption is achieved through the second spring 903, so that shock generated when the subway runs is greatly relieved, and influences on surrounding environment and buildings are avoided.

Example four:

in the above embodiment, shown in connection with fig. 1-2, baffles 7 are provided on both sides of the inner wall of the concave table 1.

When using, come two cooperations through two acoustic celotex boards 7 and inhale sound sponge 6, two acoustic celotex boards 7 can isolated partial noise, inhale the noise that sound sponge 6 comes to go the in-process to the subway through two acoustic celotex boards 7 and two and reduce, avoid too big noise to cause the influence to the resident near.

The utility model discloses a theory of operation and use flow: in operation, a subway will run on the track main body 4, vibration generated in the running process will be transmitted to the stress plate 806 and the first movable block 10 through the base 3, the stress plate 806 will press the piston block 803 through the ejector rod 805, the piston block 803 will slide downwards in the sliding cylinder 802 and press the first spring 804, the damping effect is achieved by pressing the first spring 804, meanwhile, the first movable block 10 will press the telescopic rod 901 downwards, the telescopic rod 901 will be pressed and contracted, and both ends of the telescopic rod 901 rotate on the first movable block 10 and the second movable block 807 respectively, as the contraction of the telescopic rod 901 will drive one of the pressure plates 902 to move and press the second spring 903, further damping is achieved through the second spring 903, so that the vibration of the subway running is greatly reduced, influence on the surrounding environment and the building is avoided, two sound-absorbing sponges 6 are matched through the two sound-insulating plates 7, two acoustic celotex boards 7 can completely cut off the noise that the part subway traveles and produces, and sound sponge 6 is inhaled to two simultaneously also can play the shock attenuation effect of part to inhale sound sponge 6 and still possess sound absorption effect, inhale the noise that sound sponge 6 comes to go the in-process to the subway and produce through two acoustic celotex boards 7 and two and reduce, avoid too big noise to cause the influence to resident near.

In the present application, the term "plurality" means two or more unless expressly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., 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 do not necessarily 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.

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 claims and their equivalents.

Claims

1. A noise and shock reducing device for a subway rail is characterized by comprising: spill platform (1), the bottom of spill platform (1) inner wall is provided with a plurality of bradyseisms mechanism (2), and is a plurality of the top of bradyseisms mechanism (2) is provided with base station (3), the top of base station (3) is provided with track main part (4), the bottom of spill platform (1) inner wall is connected with two brace tables (5), two the top of brace table (5) all is connected with inhales sound sponge (6), two the top of inhaling sound sponge (6) all is connected with the bottom of base station (3).

2. The noise-reducing and shock-absorbing device for the subway rail as claimed in claim 1, wherein said shock-absorbing mechanism (2) comprises two supporting shock-absorbing components (8), two telescopic shock-absorbing components (9) and a first movable block (10), said two supporting shock-absorbing components (8) are connected between the bottom of the inner wall of said concave platform (1) and the bottom of said base platform (3), said first movable block (10) is connected with the bottom of said base platform (3), said first movable block (10) is located between said two supporting shock-absorbing components (8), one end of said two telescopic shock-absorbing components (9) is respectively connected with said two supporting shock-absorbing components (8), and the other end of said two telescopic shock-absorbing components (9) is connected with said first movable block (10).

3. A noise and vibration reduction device for a subway rail as claimed in claim 2, wherein said supporting and vibration reducing assembly (8) comprises a supporting block (801), a sliding cylinder (802), a piston block (803), a first spring (804), a top bar (805) and a stress plate (806), the bottom of said supporting block (801) is connected with the bottom of the inner wall of said concave table (1), the bottom of said sliding cylinder (802) is connected with the top of said supporting block (801), said piston block (803) is slidably connected with the inner wall of said sliding cylinder (802), said first spring (804) is connected between the bottom of the inner wall of said sliding cylinder (802) and the bottom of said piston block (803), the bottom end of said top bar (805) is connected with the top of said piston block (803), the top end of said top bar (805) extends out of said sliding cylinder (802), the bottom of said stress plate (806) is connected with the top end of said top bar (805), the top of the stress plate (806) is connected with the bottom of the base station (3).

4. A device as claimed in claim 3, wherein the support and shock absorption assembly (8) further comprises a second movable block (807), the second movable block (807) being connected to one side of the support block (801).

5. A noise and shock reducing device for a subway rail as claimed in claim 4, wherein said telescopic shock reducing assembly (9) comprises a telescopic rod (901), two pressing plates (902) and a second spring (903), one end of said telescopic rod (901) is rotatably sleeved on the outer surface of said second movable block (807), the other end of said telescopic rod (901) is rotatably sleeved on the outer surface of said first movable block (10), said two pressing plates (902) are both fixedly connected on the circumferential surface of said telescopic rod (901), said second spring (903) is movably sleeved on the circumferential surface of said telescopic rod (901), and both ends of said second spring (903) are respectively connected with said two pressing plates (902).

6. A track-bound noise and vibration reducing device according to claim 5, characterized in that the sound-proof panels (7) are arranged on both sides of the inner wall of the concave platform (1).