CN210652521U

CN210652521U - Noise reduction block for high-speed rail wheel

Info

Publication number: CN210652521U
Application number: CN201921110551.8U
Authority: CN
Inventors: 杜健; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-06-02
Anticipated expiration: 2029-07-16

Abstract

The utility model belongs to the technical field of the piece technique of making an uproar falls in high-speed railway wheel and specifically relates to a piece of making an uproar falls in high-speed railway wheel, including outer restraint layer and mounting panel, equidistant fixed first interior restraint layer and the interior restraint layer of being provided with of second between outer restraint layer and the mounting panel, the equal fixed mounting in mounting panel both ends has installation mechanism, the mounting panel, restraint layer and the equal fixed enhancement layer that is provided with in first interior restraint layer upper surface in the second, the elastic damping layer all bonds the elastic damping layer on the enhancement layer upper surface, the elastic damping layer includes two inoxidizing coatings, the equal fixed mounting of two inoxidizing coatings internal surface has the metal sheet, evenly pile up between two metal sheets and have a plurality of buffer layers, gap department packing has buffering filler. This piece of making an uproar falls in high-speed railway wheel possesses better elastic damping effect to can improve vibration/noise reduction's effect, but also possess stronger support intensity and structural strength, the practicality is strong.

Description

Noise reduction block for high-speed rail wheel

Technical Field

The utility model relates to a piece technical field that makes an uproar falls in high-speed railway wheel especially relates to a piece that makes an uproar falls in high-speed railway wheel.

Background

When the high-speed rail runs, the wheels roll on the rail, and due to the surface roughness and uneven tread of the wheel rail, the modal vibration response of the wheels is excited, strong vibration and structural noise are generated, and the strong vibration and the structural noise are radiated to the air through the surfaces of the wheels to be transmitted. At present through falling the piece of making an uproar and installing on the wheel, through restraining vibration noise source energy, can reach the purpose that reduces wheel noise radiation level, and the shock attenuation shock-absorbing capacity of the present piece of making an uproar is not ideal enough to can not produce sufficient elastic damping effort, can not restrain the vibration effectively, and then can not play effectual shock attenuation noise reduction's effect, the support intensity of the present piece of making an uproar is more end moreover, can make its structural stability reduce, still can seriously influence the effect of the piece of making an uproar. Therefore, in view of the above problems, improvement thereof is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the block of making an uproar falls in high-speed railway wheel that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

designing a noise reduction block for high-speed rail wheels, comprising an outer constraint layer and a mounting plate, wherein the outer constraint layer is positioned right above the mounting plate, the outer constraint layer and a first inner constraint layer and a second inner constraint layer are fixedly arranged between the mounting plate at equal intervals, the first inner constraint layer is positioned right above the second inner constraint layer, mounting mechanisms are fixedly arranged at the two ends of the mounting plate, reinforcing layers are fixedly arranged on the upper surfaces of the mounting plate, elastic damping layers are bonded on the upper surfaces of the reinforcing layers, the upper surfaces of the elastic damping layers are respectively bonded on the lower surfaces of the outer constraint layer, the first inner constraint layer and the second inner constraint layer, the elastic damping layers comprise two protective layers, metal plates are fixedly arranged on the inner surfaces of the two protective layers, and a plurality of buffer layers are uniformly stacked between the metal plates, and a buffer filling material is filled in gaps between the plurality of buffer layers and the two metal plates.

Preferably, the reinforcing layer comprises two reinforcing plates, a plurality of reinforcing blocks are uniformly and fixedly arranged on the inner surfaces of the two reinforcing plates, and a rubber layer is bonded between the plurality of reinforcing blocks.

Preferably, the reinforcing blocks are designed to be of a saw-toothed structure, and are respectively positioned on the inner surfaces of the two reinforcing plates and are meshed with each other.

Preferably, the mounting mechanism comprises a mounting block fixedly mounted at one end of the mounting plate, and a mounting hole is formed in the middle of the mounting block.

Preferably, the buffer layer includes the elastic sleeve, sound absorbing layer has been bonded to the elastic sleeve inner surface, and the laminating is provided with the rubber stick in the sound absorbing layer.

The utility model provides a pair of high-speed railway wheel noise reduction piece, beneficial effect lies in:

1. this high-speed railway wheel noise reduction block design has the enhancement layer, and through the design on reinforcing plate, reinforcing block and rubber layer, the rethread reinforcing block is the design of cockscomb structure and is intermeshing's design between it to can strengthen this support intensity and the structural strength who falls the noise block greatly, and then can strengthen this structure steadiness of falling the noise block, be favorable to improving the effect of this noise block of falling.

2. This high-speed railway wheel noise reduction piece design has elastic damping layer and buffer layer, through the elastic sleeve, the design of sound absorbing layer and rubber rod, thereby can produce certain shock attenuation buffering effort, possess certain function of making an uproar and falling the noise of inhaling simultaneously, pile up the design of the buffering filler material between two metal sheets and packing each other between a plurality of buffer layers of rethread, thereby can strengthen this shock attenuation buffering performance of noise reduction piece by a wide margin, strengthen its elastic damping performance, and then can restrain the violent vibration of wheel effectively, effectively play vibration/noise reduction's effect.

Drawings

Fig. 1 is the utility model provides a block of making an uproar falls in high-speed railway wheel's schematic structure diagram.

Fig. 2 is the utility model provides a structural schematic diagram of the elastic damping layer of the piece of making an uproar falls in high-speed railway wheel.

Fig. 3 is the utility model provides a structural schematic diagram of the buffer layer of the piece of making an uproar falls in high-speed railway wheel.

Fig. 4 is the utility model provides a structural schematic diagram of a enhancement layer of piece of making an uproar falls in high-speed railway wheel.

In the figure: the sound absorption layer comprises an outer restraint layer 1, an elastic damping layer 2, a reinforcing layer 3, a first inner restraint layer 4, a second inner restraint layer 5, a mounting plate 6, mounting holes 7, a mounting block 8, a rubber layer 9, a protective layer 10, a metal plate 11, a buffer layer 12, a buffer filling material 13, an elastic sleeve 14, a sound absorption layer 15, a rubber rod 16, a reinforcing plate 17 and a reinforcing block 18.

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.

Referring to fig. 1-4, a high-speed railway wheel noise reduction block, including outer constraint layer 1 and mounting panel 6, outer constraint layer 1 is located directly over mounting panel 6, equidistant fixed first interior constraint layer 4 and the interior constraint layer 5 of second that is provided with between outer constraint layer 1 and the mounting panel 6, and just first interior constraint layer 4 is located directly over the interior constraint layer 5 of second, the equal fixed mounting in mounting panel 6 both ends has installation mechanism, installation mechanism includes the installation piece 8 of fixed mounting in mounting panel 6 one end, mounting hole 7 has been seted up in the middle part of installation piece 8, design through installation piece 8 and mounting hole 7, thereby made things convenient for the installation process and the dismantlement process to this noise reduction block.

Mounting panel 6, restraint layer 5 and first internal restraint layer 4 upper surface all fixes and is provided with enhancement layer 3 in the second, enhancement layer 3 includes two reinforcing plates 17, two reinforcing plates 17 internal surface all evenly fixed are provided with a plurality of bosses 18, and it has rubber layer 9 to bond between a plurality of bosses 18, boss 18 is the design of cockscomb structure, and be located intermeshing between a plurality of bosses 18 of two reinforcing plates 17 internal surfaces respectively, through reinforcing plate 17, the design of boss 18 and rubber layer 9, rethread boss 18 is the design of cockscomb structure and for intermeshing's design between it, thereby can strengthen this support intensity and the structural strength who falls the piece of making an uproar greatly, and then can strengthen this structure steadiness who falls the piece of making an uproar, be favorable to improving this effect of falling the piece of making an uproar.

The upper surface of the reinforcing layer 3 is adhered with elastic damping layers 2, the upper surfaces of the three elastic damping layers 2 are respectively adhered to the lower surfaces of the outer constraint layer 1, the first inner constraint layer 4 and the second inner constraint layer 5, the elastic damping layer 2 comprises two protective layers 10, metal plates 11 are fixedly arranged on the inner surfaces of the two protective layers 10, a plurality of buffer layers 12 are uniformly stacked between the two metal plates 11, a buffer filling material 13 is filled in gaps between the buffer layers 12 and the two metal plates 11, the buffer layers 12 comprise elastic sleeves 14, sound absorption layers 15 are adhered to the inner surfaces of the elastic sleeves 14, rubber rods 16 are adhered in the sound absorption layers 15, a certain damping and sound absorbing action force can be generated through the design of the elastic sleeves 14, the sound absorption layers 15 and the rubber rods 16, a certain function of damping and sound absorption is achieved at the same time, and then the buffer filling material 13 which is filled in the buffer layers 12 and mutually stacked between the two metal plates 11 is designed, therefore, the damping and buffering performance of the noise reduction block can be greatly enhanced, the elastic damping performance of the noise reduction block is enhanced, severe vibration of the wheel can be effectively inhibited, and the effects of damping and reducing noise are effectively achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high-speed railway wheel noise reduction block, includes outer constrained layer (1) and mounting panel (6), outer constrained layer (1) is located directly over mounting panel (6), outer constrained layer (1) with equidistant fixed first inner constraint layer (4) and second inner constraint layer (5) of being provided with between mounting panel (6), and first inner constraint layer (4) are located directly over second inner constraint layer (5), its characterized in that, the equal fixed mounting in mounting panel (6) both ends has installation mechanism, mounting panel (6), second inner constraint layer (5) and first inner constraint layer (4) upper surface all fixed be provided with enhancement layer (3), enhancement layer (3) upper surface all bonds elastic damping layer (2), and three elastic damping layer (2) upper surface is equallyd divide and is do not bonded at outer constrained layer (1), first inner constraint layer (4) and second inner constraint layer (5) lower surface, elastic damping layer (2) include two inoxidizing coating (10), two equal fixed mounting in inoxidizing coating (10) internal surface has metal sheet (11), two evenly pile up between metal sheet (11) has a plurality of buffer layers (12), and is a plurality of buffer layer (12) and two gap department is filled with buffering filler material (13) between metal sheet (11).

2. The noise reduction block for the wheels of the high-speed trains as claimed in claim 1, wherein the reinforcing layer (3) comprises two reinforcing plates (17), a plurality of reinforcing blocks (18) are uniformly and fixedly arranged on the inner surfaces of the two reinforcing plates (17), and the rubber layer (9) is bonded between the plurality of reinforcing blocks (18).

3. A high-speed railway wheel noise reduction block according to claim 2, characterized in that the reinforcing blocks (18) are of a saw-toothed structure design and are mutually engaged between a plurality of reinforcing blocks (18) respectively located on the inner surfaces of the two reinforcing plates (17).

4. The noise reduction block for high-speed rail wheels according to claim 1, wherein the mounting mechanism comprises a mounting block (8) fixedly mounted at one end of a mounting plate (6), and a mounting hole (7) is formed in the middle of the mounting block (8).

5. The noise reduction block for the high-speed railway wheel according to claim 1, wherein the buffer layer (12) comprises an elastic sleeve (14), a sound absorption layer (15) is bonded on the inner surface of the elastic sleeve (14), and a rubber rod (16) is bonded in the sound absorption layer (15).