CN218703250U - Sound insulation cover, bogie assembly and railway vehicle - Google Patents

Abstract

The utility model relates to a sound insulation cover, bogie assembly and rail vehicle, this sound insulation cover includes the cover body assembly, and this cover body assembly includes: the cover body lining is used for enclosing a closed cavity capable of accommodating the brake disc assembly with the framework of the bogie assembly; the sound absorption layer is arranged around the outer side of the cover body lining, the cooling flow channel is arranged between the cover body lining and the sound absorption layer, the sound insulation cover used for cooling the cover body lining can be arranged around the circumferential direction of the brake disc assembly to reduce noise, and meanwhile, the cooling flow channel is used for cooling the sound insulation cover and the interior of the sound insulation cover to at least partially solve related technical problems.

Description

Sound insulation cover, bogie assembly and railway vehicle

Technical Field

The disclosure relates to the technical field of vehicle noise protection, in particular to an acoustic shield, a bogie assembly and a rail vehicle.

Background

In the related art, in order to reduce the noise of a brake disc assembly of a vehicle during working, the adopted sound insulation cover is of a totally enclosed type, and when the brake disc assembly brakes, a large amount of heat can be generated, so that the temperature in the sound insulation cover is obviously increased, a brake hose is further melted, liquid leakage of the brake hose is caused, and even braking failure is caused.

SUMMERY OF THE UTILITY MODEL

The purpose of the present disclosure is to provide a sound-proof cover, a bogie assembly and a railway vehicle, wherein the sound-proof cover can be arranged around the brake disc assembly to reduce noise, and meanwhile, a cooling flow channel is used for cooling the sound-proof cover and the interior thereof to at least partially solve the related technical problems.

In order to achieve the above object, in a first aspect of the present disclosure, there is provided an acoustic enclosure including an enclosure assembly, the enclosure assembly including:

the cover body lining is used for enclosing a closed cavity capable of accommodating the brake disc assembly with the framework of the bogie assembly;

a sound absorbing layer surrounding the outer side of the inner liner of the cover body, and

and the cooling flow channel is arranged between the cover body lining and the sound absorption layer and is used for cooling the cover body lining.

Optionally, the cover assembly includes a first cover assembly and a second cover assembly, where the first cover assembly is configured to surround a first region of the brake disc assembly, and includes a first liner and a first sound absorbing layer surrounding an outer side of the first liner;

the second cover body assembly is used for enclosing a second area of the brake disc assembly and comprises a second inner liner and a second sound absorption layer enclosing the outer side of the second inner liner;

the first and second liners form the cover body liner, and the first and second sound absorbing layers form the sound absorbing layer;

the cooling runner comprises a first cooling runner and a second cooling runner, the first cooling runner is arranged between the first lining and the second sound absorption layer, and the second cooling runner is arranged between the second lining and the second sound absorption layer and is used for cooling the first lining and the second lining respectively.

Optionally, the cooling flow channel is connected to a cooling system of the rail vehicle.

Optionally, the first cooling flow channel and the second cooling flow channel are serpentine structures and respectively arranged around the first lining and the second lining, and the first cooling flow channel is communicated with the second cooling flow channel through a connecting pipeline.

Optionally, a side of the first liner facing the first sound absorbing layer is formed with a first groove, and at least part of the first cooling flow channel is disposed in the first groove;

and a second groove is formed on the side surface of the second lining facing the second sound absorption layer, and at least part of the second cooling flow channel is arranged in the second groove.

Optionally, the first cover assembly comprises an upper cover and a middle cover detachably connected to the lower end of the upper cover;

the upper cover body comprises an upper inner liner and an upper sound absorption layer arranged on the outer side of the upper inner liner in a surrounding mode, the middle cover body comprises a middle inner liner and a middle sound absorption layer arranged on the outer side of the middle inner liner in a surrounding mode, and the upper inner liner and the middle inner liner form the first inner liner; the upper sound absorbing layer and the middle sound absorbing layer form the first sound absorbing layer;

the first cooling flow channel comprises an upper cooling flow channel and a middle cooling flow channel, the upper cooling flow channel is arranged between the upper lining and the upper sound absorption layer, and the middle cooling flow channel is arranged between the middle lining and the middle sound absorption layer;

one end of the middle cooling flow passage is communicated with the upper cooling flow passage through a connecting pipeline, and the other end of the middle cooling flow passage is communicated with the second cooling flow passage through a connecting pipeline.

Optionally, the first cover assembly further comprises a first connecting structure and a second connecting structure;

the first connecting structure is arranged on the lateral side of the first inner liner and is used for connecting with a framework of a bogie assembly; the second connecting structure is arranged at the bottom of the first lining and is used for being connected with a support stop of the bogie assembly;

the second cover assembly further comprises a third connecting structure and a fourth connecting structure;

the third connecting structure is arranged at the lateral side of the second inner liner and is used for connecting with a framework of a bogie assembly; and the fourth connecting structure is arranged at the top of the second lining and is used for being connected with a support of the bogie assembly.

Optionally, an observation window is arranged on the first liner, and an openable folding portion is arranged at a position of the first sound absorption layer corresponding to the observation window;

and/or an openable access door is arranged on the lateral side of the first lining.

Optionally, the first and second sound-absorbing layers are connected to the first and second inner liners, respectively, by cold-proof nails.

Optionally, the sound insulation cover further comprises a heat dissipation plate assembly, the heat dissipation plate assembly comprises a first heat dissipation part and a second heat dissipation part which are connected with each other, wherein the first heat dissipation part is arranged on the inner surface of the first cover assembly and/or the second cover assembly, and the second heat dissipation part is arranged on the outer surface of the first cover assembly and/or the second cover assembly and is used for transferring heat inside the sound insulation cover outwards.

Optionally, the heat sink assembly comprises a first heat sink and a second heat sink both having an umbrella shape;

the first radiating fin comprises a first radiating umbrella and a first umbrella handle, and the second radiating fin comprises a second radiating umbrella and a second hole shaft matched with the first umbrella handle;

a through hole communicated with the inner surface and the outer surface of the first cover body assembly and/or the second cover body assembly is formed on the first cover body assembly and/or the second cover body assembly, and the first umbrella handle and the second hole shaft are respectively inserted from two ends of the through hole and are connected in a matched manner;

the first heat dissipation umbrella forms the first heat dissipation portion, and the second heat dissipation umbrella forms the second heat dissipation portion.

In a second aspect of the present disclosure, a bogie assembly is provided, which includes a brake disc assembly and the sound-proof cover, wherein the sound-proof cover is used for covering the brake disc assembly.

In a third aspect of the present disclosure, a rail vehicle is further provided, which includes the bogie assembly described above.

Through the technical scheme, this disclosed sound insulation cover promptly, including the cover body assembly, this cover body assembly is including the cover body inside lining, sound absorbing layer and cooling flow channel, wherein, the cover body inside lining can enclose into one with the framework of bogie assembly and establish at the airtight cavity of brake disc assembly circumference, and sound absorbing layer encloses the circumference of establishing at the cover body inside lining, a noise for at least part reduces the brake disc assembly, and simultaneously, set up the cooling flow channel who is used for cooling the cover body inside lining between cover body inside lining and sound absorbing layer, take away the heat that its inside brake disc assembly produced through cooling sound insulation cover, reduce the inside temperature of sound insulation cover. This disclosed sound insulation cover can seal the brake disc assembly with the outside transmission of separation noise, sets up cooling flow channel in the outside of the cover body inside lining simultaneously, reduces the air temperature in the sound insulation cover, ensures brake disc assembly and brake pipe normal use.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a front structural view of an acoustic enclosure provided by some embodiments of the present disclosure;

FIG. 2 is a side block diagram of an acoustic enclosure provided by some embodiments of the present disclosure;

FIG. 3 is a top view block diagram of an acoustic enclosure provided by some embodiments of the present disclosure;

FIG. 4 is a bottom view of the acoustic enclosure provided by some embodiments of the present disclosure;

FIG. 5 is a schematic structural view of a first cover assembly of an acoustic enclosure according to some embodiments of the present disclosure;

FIG. 6 is a schematic structural view of a first cover assembly of the acoustic enclosure provided by some embodiments of the present disclosure, wherein the first sound absorbing layer is not shown;

FIG. 7 is a front structural view of an acoustic enclosure provided by some embodiments of the present disclosure, wherein the first and second sound absorbing layers are not shown;

FIG. 8 is an exploded view of a heat sink assembly of an acoustic enclosure according to some embodiments of the present disclosure;

FIG. 9 is a schematic structural view of a bogie assembly provided in some embodiments of the present disclosure;

fig. 10 is a schematic structural view of the acoustic shield according to some embodiments of the present disclosure mounted to a bogie assembly.

Description of the reference numerals

10-sound insulation cover; 20-a brake disc assembly; 30-a framework; 40-supporting and blocking;

100-a first cover assembly; 101-a first liner; 102-a first sound absorbing layer; 110-an upper cover; 111-upper liner; 1111-observation window; 1112-an access door; 112-upper sound absorption layer; 120-middle cover body; 121-middle liner; 122-middle sound absorbing layer; 130-a first connecting structure; 140-a second connecting structure;

200-a second cover assembly; 210-a second liner; 220-a second sound absorbing layer; 230-a third connecting structure; 240-a fourth connection structure;

310-a first cooling flow channel; 311-upper cooling channels; 3111-coolant inlet; 3112-coolant outlet; 312-lower cooling flow channel; 320-a second cooling flow channel; 330-connecting pipeline;

400-cold-proof nails; 500-a heat sink assembly; 510-a first heat sink; 511-a first heat radiation umbrella; 512-first umbrella handle; 520-a second heat sink; 521-a second heat-dissipating umbrella; 522-second bore axis.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, the use of the directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right in the use state of the sound-insulating cover, unless otherwise specified; "inner and outer" refer to the inner and outer of the respective component profiles; "distal" and "proximal" refer to the relative structures or relative elements being distal or proximal to one another. In addition, the terms "first," "second," and the like, as used herein, are intended to distinguish one element from another, and are not necessarily sequential or significant. Furthermore, in the following description, when referring to the figures, the same reference numbers in different figures denote the same or similar elements, unless otherwise explained. The foregoing definitions are provided to illustrate and explain the present disclosure and should not be construed to limit the present disclosure.

As shown in fig. 1 to 10, in order to achieve the above object, in a first aspect of the present disclosure, there is provided an acoustic enclosure, where the acoustic enclosure 10 includes an enclosure assembly including: a housing liner for enclosing with the frame 30 of the bogie assembly a closed chamber capable of receiving the brake disc assembly 20; the sound absorption layer is arranged around the outer side of the cover body lining, and the cooling flow channel is arranged between the cover body lining and the sound absorption layer and used for cooling the cover body lining.

Through the technical scheme, namely the sound insulation cover 10 of the present disclosure comprises a cover body assembly, wherein the cover body assembly comprises a cover body lining, a sound absorption layer and a cooling flow channel, wherein the cover body lining and a framework 30 of a bogie assembly can be enclosed to form an enclosed cavity which is enclosed in the circumferential direction of a brake disc assembly 20, the sound absorption layer is enclosed in the circumferential direction of the cover body lining and is used for at least partially reducing the noise of the brake disc assembly 20, meanwhile, the cooling flow channel for cooling the cover body lining is arranged between the cover body lining and the sound absorption layer, and the heat generated by the brake disc assembly 20 inside the sound insulation cover 10 is taken away through the cooling sound insulation cover 10, so that the temperature inside the sound insulation cover 10 is reduced. The sound insulation cover 10 disclosed can seal the brake disc assembly 20 to prevent noise from spreading outwards, and meanwhile, the cooling flow channel is arranged on the outer side of the inner lining of the cover body, so that the air temperature in the sound insulation cover 10 is reduced, and normal use of the brake disc assembly 20 and a brake pipeline is ensured.

In some embodiments, the sound-proof housing 10 may further include a first housing assembly 100 and a second housing assembly 200, wherein the first housing assembly 100 is configured to surround a first region of the brake disk assembly 20, and includes a first inner lining 101 and a first sound-absorbing layer 102 surrounding the first inner lining 101; the second cover assembly 200 is configured to surround a second region of the brake disc assembly 20, and includes a second inner lining 210 and a second sound absorption layer 220 surrounding the second inner lining 210; the first lining 101 and the second lining 210 form the shell lining, and the first sound absorbing layer 102 and the second sound absorbing layer 220 form the sound absorbing layer; the cooling flow channel includes a first cooling flow channel 310 and a second cooling flow channel 320, the first cooling flow channel 310 is disposed between the first lining 101 and the second sound absorbing layer 220, and the second cooling flow channel 320 is disposed between the second lining 210 and the second sound absorbing layer 220, and is used for cooling the first lining 101 and the second lining 210.

It should be noted that the brake disc assembly 20 may include a first region and a second region, wherein the first region may be an upper portion of the brake disc assembly 20, and the second region may be a lower portion of the brake disc assembly 20.

In some embodiments, the first and second cover assemblies 100 and 200 may be used to enclose the upper and lower portions of the brake disc assembly 20, respectively, so as to completely seal the brake disc assembly 20 in the closed cavity between the cover lining enclosed by the first and second linings 101 and 210 and the frame 30 of the bogie assembly, and the cooling flow passage further includes a first cooling flow passage 310 and a second cooling flow passage 320, wherein the first cooling flow passage 310 is disposed outside the first lining 101, and the second cooling flow passage 320 is disposed outside the second lining 210, so as to reduce the temperature inside the sound-proof cover 10 by removing the heat generated by the sound-proof cover 10 and the brake disc assembly 20 therein. The sound insulation cover 10 disclosed can seal the brake disc assembly 20 to prevent noise from spreading outwards, and meanwhile, the cooling flow channels are respectively arranged on the outer sides of the first lining 101 and the second lining 210, so that the air temperature in the sound insulation cover 10 is reduced, and the normal use of the brake disc assembly 20 and a brake pipeline is ensured.

It should be noted that the above-mentioned first region and second region are defined as the upper portion and the lower portion of the brake disc assembly 20 for example, and the first region and second region may also be the left portion and the right portion of the brake disc assembly 20, and may also be the upper left portion and the lower right portion, the upper right portion and the lower left portion, etc., that is, the first cover assembly 100 and the second cover assembly 200 can be completely sealed in a closed chamber by combining with the frame 30 of the bogie assembly, and the specific location and size of the first region and the second region are not limited, and those skilled in the art can design and configure the regions according to the implementation needs.

In some embodiments, to cool the cover liner, the cooling channel may be connected to an external cooling system, and a cooling working medium is introduced into the cooling channel to take away heat from the cover liner to achieve cooling.

The cooling system may be configured in any suitable configuration and, in some embodiments, the cooling flow passage may be connected to a cooling system of a rail vehicle. The cooling flow channel can comprise at least one inlet and one outlet, and the cooling flow channel can be connected in series or in parallel in a cooling system of the rail vehicle through the inlet and the outlet, so that cooling liquid of the whole vehicle is introduced, and the sound insulation cover 10 is cooled.

It should be noted that, when the brake disc assembly 20 is braked, high temperature is generated, the temperature in the air transfers heat to the first inner lining 101 and the second inner lining 210 of the sound-proof cover 10 through heat radiation, and the first cooling flow channel 310 are respectively arranged on the outer sides of the first inner lining 101 and the second inner lining 210, wherein the first cooling flow channel 310 and the second cooling flow channel 320 can be respectively connected with a cooling system of a vehicle, so that cooling liquid in the cooling system of the whole vehicle is introduced, so that the temperature of the first inner lining 101 and the second inner lining 210 of the sound-proof cover 10 can be rapidly reduced, and the temperature of the sound-proof cover 10 is rapidly taken away.

It will be appreciated that the first and second sound absorbing layers 102, 220 may each be constructed in any suitable configuration, for example, the first and second sound absorbing layers 220 may each be absorbent cotton.

The first cooling flow passage 310 and the second cooling flow passage 320 may be configured in any suitable manner, and in some embodiments, the first cooling flow passage 310 and the second cooling flow passage 320 are serpentine structures and are respectively arranged around the circumference of the first liner 101 and the second liner 210, and the first cooling flow passage 310 is communicated with the second cooling flow passage 320 through a connecting pipeline 330. The first cooling channels 310 and the second cooling channels 320 may be multiple, the multiple first cooling channels 310 are circumferentially arranged around the outer side of the first liner 101, the multiple second cooling channels 320 are circumferentially arranged around the outer side of the second liner 210, one ends of the multiple first cooling channels 310 are respectively communicated with one ends of the multiple second cooling channels 320 through a connecting pipeline 330, and the other ends of the multiple second cooling channels 320 may be communicated with each other or sequentially communicated with each other.

In some embodiments, the first cooling flow channel 310 and the second cooling flow channel 320 are both two, wherein the two first cooling flow channels 310 are both arranged in a serpentine shape, one first cooling flow channel 310 is arranged in the half area of the outer side of the first liner 101, and the other first cooling flow channel 310 is arranged in the other half area of the outer side of the first liner 101; similarly, the two second cooling channels 320 are also arranged in a serpentine shape, one second cooling channel 320 is arranged in a half region of the outer side of the second liner 210, the other second cooling channel 320 is arranged in the other half region of the outer side of the second liner 210, the lower ends of the two first cooling channels 310 are respectively communicated with the upper ends of the two cooling channels through a connecting pipeline 330, the lower ends of the two cooling channels are communicated through a connecting pipeline 330, and the upper ends of the two first cooling channels 310 respectively form a cooling liquid inlet 3111 and a cooling liquid outlet 3112 for connecting with a cooling system of a vehicle.

In order to facilitate the arrangement of the cooling flow passages and reduce the weight of the acoustic shield 10, in some embodiments, the side of the first liner 101 facing the first sound-absorbing layer 102 is formed with first grooves, in which at least part of the first cooling flow passages 310 are disposed; the second liner 210 has a second groove formed on a side surface facing the second sound absorbing layer 220, and at least a portion of the second cooling channel 320 is disposed in the second groove. Through setting up first cooling runner 310 in first recess, set up second cooling runner 320 in the second recess, then, install fixed first sound absorbing layer 102 and second sound absorbing layer 220 respectively in the outside of first inside lining 101 and second inside lining 210 respectively again, made things convenient for the arrangement of cooling runner, also reduced the whole thickness of sound proof cover 10 simultaneously, also can reduce the weight of sound proof cover 10 to a certain extent.

As shown in fig. 2, in some embodiments of the present disclosure, the first cover assembly 100 may include an upper cover 110 and a middle cover 120 detachably connected to a lower end of the upper cover 110, the upper cover 110 includes an upper liner 111 and an upper sound absorbing layer 112 surrounding the upper liner 111, the middle cover 120 includes a middle liner 121 and a middle sound absorbing layer 122 surrounding the middle liner 121, the upper liner 111 and the middle liner 121 form the first liner 101; the upper sound absorbing layer 112 and the middle sound absorbing layer 122 form the first sound absorbing layer 102; the first cooling channel 310 includes an upper cooling channel 311 and a middle cooling channel, the upper cooling channel 311 is disposed between the upper liner 111 and the upper sound-absorbing layer 112, and the middle cooling channel is disposed between the middle liner 121 and the middle sound-absorbing layer 122; one end of the middle cooling channel is communicated with the upper cooling channel 311 through a connecting pipeline 330, and the other end is communicated with the second cooling channel 320 through a connecting pipeline 330.

It should be noted that the upper cover body 110 and the middle cover body 120 may be connected by a bolt assembly, that is, a first flange is formed at the lower end of the upper liner 111 of the upper cover body 110, a plurality of first through holes are formed on the first flange at intervals along the extending direction of the first flange, a second flange corresponding to the first flange is formed at the upper end of the lower liner of the lower cover body, and a plurality of second through holes are formed on the second flange at intervals along the extending direction of the second flange and correspond to the first through holes one to one, and may also be connected together by, for example, clamping or screws. When the access door 1112 cannot repair the brake disc assembly 20 inside the sound-proof cover 10, the upper cover 110 may be removed, and the brake disc assembly 20 may be repaired without removing the middle cover 120 and the second cover assembly 200, so as to avoid the influence of the overall removal on the repair efficiency.

The upper cover body 110 comprises an upper inner liner 111 and an upper sound absorption layer 112, two upper cooling flow channels 311 are arranged around the outer side of the upper inner liner 111, and each upper cooling flow channel 311 is positioned in a half area of the upper inner liner 111 in a serpentine arrangement mode; the lower cover body comprises a lower inner liner and a lower sound absorption layer, two lower cooling flow channels 312 are arranged around the outer side of the lower inner liner, and each lower cooling flow channel 312 is located in a half area of the lower inner liner in a serpentine arrangement mode. The lower end of each upper cooling flow passage 311 is communicated with the upper ends of the two lower cooling flow passages 312 through a connecting pipeline 330, the lower ends of the two lower cooling flow passages 312 are communicated with the two second cooling flow passages 320 through a connecting pipeline 330, the upper ends of the two upper cooling flow passages 311 form a cooling liquid inlet 3111 and a cooling liquid outlet 3112, and a double-flow-passage manner is adopted, so that the temperatures of the upper lining 111 and the lower lining of the sound insulating cover 10 can be rapidly reduced, and the temperature in the sound insulating cover 10 can be rapidly taken away.

To facilitate secure attachment of the first and second cover assemblies 100 and 200 to the truck assembly, in some embodiments, the first cover assembly 100 further includes a first connecting structure 130 and a second connecting structure 140; a first connecting structure 130 is provided laterally of the first liner 101 for connecting with the frame 30 of the bogie assembly; a second connecting structure 140 is disposed at the bottom of the first liner 101 for connecting with the stop 40 of the bogie assembly. The first connecting structure 130 and the second connecting structure 140 may be configured in any suitable manner, for example, the first connecting structure 130 may be a first mounting hole disposed at a lateral side of the first liner 101, and a lateral side of the first cover assembly 100 may be connected to an upper portion of the frame 30 of the bogie assembly by a screw or a bolt; meanwhile, the second connecting structure 140 may also be a second mounting hole provided at the lower end of the first liner 101, and the bottom of the first cover assembly 100 is connected to the upper surface of the support 40 of the bogie assembly by a screw or bolt assembly, so as to seal the upper portion of the brake disc assembly 20.

It can be understood that, for the convenience of connection, avoid the unable fixed condition because of the dislocation, first mounting hole and second mounting hole can adopt waist shape hole.

In some embodiments, the second shell assembly 200 may further include a third connection structure 230 and a fourth connection structure 240; a third connecting structure 230 is provided at a lateral side of the second inner liner 210 for connecting with the frame 30 of the bogie assembly; a fourth connecting structure 240 is disposed on top of the second liner 210 for connecting with the abutment 40 of the truck assembly.

Wherein the third connecting structure 230 and the fourth connecting structure 240 may be configured in any suitable manner, for example, the third connecting structure 230 may be a third mounting hole provided at a lateral side of the second liner 210, and a lateral side of the second cover assembly 200 may be connected to a lower portion of the frame 30 of the bogie assembly by a screw or a bolt; meanwhile, the fourth connecting structure 240 may also be a fourth mounting hole disposed at the upper end of the second inner liner 210, and the bottom of the second cover assembly 200 is connected to the lower surface of the support 40 of the bogie assembly by a screw or bolt assembly, so as to seal the lower portion of the brake disc assembly 20.

It can be understood that, in order to facilitate connection and avoid the situation that the third mounting hole and the fourth mounting hole cannot be fixed due to dislocation, the third mounting hole and the fourth mounting hole may adopt kidney-shaped holes.

It should be noted that fixing holes penetrating through the upper and lower surfaces of the support 40 of the bogie assembly may be provided, the fixing holes correspond to the second mounting hole and the fourth mounting hole, respectively, and the lower end of the first cover assembly 100 and the upper end of the second cover assembly 200 may be simultaneously fixed to the support 40 of the bogie assembly by a bolt component penetrating through the second mounting hole, the fixing hole and the fourth mounting hole.

As shown in fig. 5 and 6, in some embodiments, a viewing window 1111 is optionally provided on the first lining 101, that is, a transparent viewing window 1111 is provided on the upper surface of the first lining 101, and may be made of transparent glass or transparent plastic for viewing the working condition of the brake disc. It can be understood that the outer side of the observation window 1111 may be covered by the first sound absorption layer 102, an openable folding portion may be disposed on the first sound absorption layer 102 at a position corresponding to the observation window 1111, in general, the folding portion is used to cover the observation window 1111, so as to prevent dust and oil from contaminating the observation window 1111 while having a sound insulation effect, and when the working condition of the brake disc assembly 20 needs to be known, the folding portion may be opened, and the transparent observation window 1111 may observe the working condition of the brake disc assembly 20 inside the sound insulation cover 10. It should be noted that the operation end of the folding part can be provided with a structure such as a thread gluing, a snap fastener and the like,

in other examples, as shown in fig. 1 and 5, the first liner 101 is provided with an openable access door 1112 in a lateral direction. The access door 1112 is normally closed, and when a problem occurs in the brake disc assembly 20 and the brake disc assembly needs to be repaired, the access door 1112 can be opened to repair the brake disc assembly 20 without disassembling the sound-proof cover 10. The access door 1112 may be configured to be opened or closed by any suitable structure, and is not particularly limited herein.

In some embodiments, an observation window 1111 may be provided on the first inner lining 101, or an openable access door 1112 may be provided at a lateral side of the first inner lining 101, the operation state of the brake disc assembly 20 is observed through the observation window 1111, and when maintenance is required, the access door 1112 is opened for maintenance.

In some embodiments, first and second sound-absorbing layers 102 and 220 are attached to first and second liners 101 and 210, respectively, by cold-proof nails 400. That is, the first sound-absorbing layer 102 is attached to the outer side wall of the first liner 101 by a plurality of cold-proof nails 400, and the second sound-absorbing layer 220 is attached to the outer side wall of the second liner 210 by a plurality of cold-proof nails 400.

In order to further transfer heat inside the acoustic enclosure 10 to the outside, in some embodiments of the present disclosure, the acoustic enclosure 10 further includes a heat sink assembly 500, and the heat sink assembly 500 includes a first heat sink portion and a second heat sink portion connected to each other, wherein the first heat sink portion is disposed on an inner surface of the first enclosure assembly 100 and/or the second enclosure assembly 200, and the second heat sink portion is disposed on an outer surface of the first enclosure assembly 100 and/or the second enclosure assembly 200, and is used for transferring heat inside the acoustic enclosure 10 to the outside.

It can be understood that the heat sink assembly 500 may be made of metal with a large thermal conductivity, and the temperature inside the sound-proof cover 10 is absorbed by the first heat sink portion of the heat sink assembly 500 and transmitted to the second heat sink portion outside the sound-proof cover 10 to be dissipated outwards, so as to further reduce the air temperature inside the sound-proof cover 10, ensure the normal use of the brake disc assembly 20 and the brake pipeline, and improve the safety.

The heat sink assembly 500 may be configured in any suitable manner, as shown in fig. 8, and in some embodiments, the heat sink assembly 500 includes a first heat sink 510 and a second heat sink 520 that are both umbrella-shaped; the first radiating fin 510 comprises a first radiating umbrella 511 and a first umbrella handle 512, and the second radiating fin 520 comprises a second radiating umbrella 521 and a second hole shaft 522 matched with the first umbrella handle 512; a through hole communicated with the inner surface and the outer surface of the first cover assembly 100 and/or the second cover assembly 200 is formed on the first cover assembly 100 and/or the second cover assembly 200, and the first umbrella handle 512 and the second hole shaft 522 are respectively inserted from two ends of the through hole and are connected in a matching way; the first heat-radiating umbrella 511 forms a first heat-radiating portion, and the second heat-radiating umbrella 521 forms a second heat-radiating portion.

The heat sink assembly 500 includes a first heat sink 510 and a second heat sink 520, which are both umbrella-shaped structures, that is, the first heat sink 510 includes a first umbrella stick 512 connected to the center of the first umbrella stick 511 and a first heat sink 511, the second heat sink 520 includes a second umbrella stick 521 and a second hole axle 522 connected to the center of the second umbrella stick 521, and the first umbrella stick 512 can be inserted into the second hole axle 522, so as to connect the first heat sink 510 and the second heat sink 520. In practical use, the first umbrella handle 512 of the first heat sink 510 and the second shaft 522 of the second heat sink 520 may be inserted into the through hole from the inner and outer surfaces of the through hole, respectively, and the first umbrella handle 512 is inserted into the second shaft 522 in the through hole to connect the first heat sink 510 and the second heat sink 520. Wherein, the first shaft 512 and the second shaft 522 can be connected by interference fit.

The first and second heat radiating fins 510 and 520 are made of metal with high heat conductivity, and the first and second heat radiating umbrellas 511 and 521 have large areas and small thicknesses, so that the temperature inside the sound-proof enclosure 10 can be rapidly transmitted to the outside of the sound-proof enclosure 10.

It should be noted that there may be a plurality of heat sink assemblies 500, which may be respectively disposed on the first cover assembly 100 or the second cover assembly 200, or may be disposed on both the first cover assembly 100 and the second cover assembly 200.

In a second aspect of the present disclosure, a bogie assembly is provided, which includes a brake disc assembly 20 and the sound-proof cover 10, where the sound-proof cover 10 is used to cover the brake disc assembly 20, and is used to reduce noise of the brake disc assembly 20, and can realize cooling, so as to take away heat generated by the brake disc assembly 20, and ensure normal use of the brake disc assembly 20 and a brake pipeline.

In a third aspect of the present disclosure, there is also provided a railway vehicle comprising the bogie assembly described above, and therefore, the vehicle also has all the advantages of the bogie assembly, which will not be described herein.

Optionally, the sound-proof cover 10 may include a first cover assembly 100 and a second cover assembly 200, the first cover assembly 100 is disposed around the upper portion of the brake disc assembly 20, and the second cover assembly 200 is disposed around the lower portion of the brake disc assembly 20, so as to seal the brake disc assembly 20 in a sealed chamber, which can block the noise of the brake disc assembly 20, and at the same time, the sound-proof cover 10 can dissipate the heat generated by the brake disc assembly 20 therein, thereby improving the safety of use.

In summary, according to the sound insulation cover 10, the bogie assembly and the railway vehicle of the present disclosure, when the brake disc assembly 20 brakes, a high temperature is generated, the temperature in the air transfers heat to the first lining 101 and the second lining 210 of the sound insulation cover 10 through thermal radiation, the first lining 101 is provided with the first cooling flow channel 310, the second lining 210 is provided with the second cooling flow channel 320, the cooling liquid in the cooling system of the entire vehicle is introduced, the double flow channel manner is adopted, so that the temperature of the sound insulation cover 10 can be rapidly reduced, the temperature in the sound insulation cover 10 is rapidly taken away, meanwhile, the heat sink assemblies 500 are uniformly distributed on the sound insulation cover 10, the heat sink assemblies 500 are made of metal with a large thermal conductivity coefficient, the heat sink assemblies 500 can transmit the temperature in the sound insulation cover 10 to the outside of the sound insulation cover 10 through the metal, further reduce the air temperature in the sound insulation cover 10, ensure that the brake disc and the brake pipeline can be normally used, ensure safety, in addition, an observation port is arranged at the upper portion of the first lining 101, the sound insulation cover can be conveniently observed while the condition that the sound insulation cover 20 can be maintained, and the brake disc 101 can not be maintained laterally.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (13)

1. An acoustic enclosure, characterized in that the acoustic enclosure (10) comprises a cover assembly comprising:

a cover liner for enclosing with a frame (30) of the bogie assembly a closed chamber capable of receiving the brake disc assembly (20);

a sound absorbing layer surrounding the outer side of the inner liner of the cover body, and

and the cooling flow channel is arranged between the cover body lining and the sound absorption layer and is used for cooling the cover body lining.

2. The acoustic enclosure according to claim 1, characterized in that the cover assembly comprises a first cover assembly (100) and a second cover assembly (200), wherein the first cover assembly (100) is intended to be enclosed in a first region of the brake disc assembly (20), and comprises a first lining (101) and a first sound-absorbing layer (102) enclosed outside the first lining (101);

the second cover body assembly (200) is used for enclosing a second area of the brake disc assembly (20) and comprises a second lining (210) and a second sound absorption layer (220) enclosing the outer side of the second lining (210);

the first lining (101) and the second lining (210) forming the shell lining, the first sound absorbing layer (102) and the second sound absorbing layer (220) forming the sound absorbing layer;

the cooling flow channel comprises a first cooling flow channel (310) and a second cooling flow channel (320), the first cooling flow channel (310) is arranged between the first lining (101) and the second sound absorption layer (220), the second cooling flow channel (320) is arranged between the second lining (210) and the second sound absorption layer (220), and the first lining (101) and the second lining (210) are cooled respectively.

3. The acoustic enclosure of claim 1, wherein the cooling flow path is connected to a cooling system of a rail vehicle.

4. The acoustic enclosure of claim 2, wherein the first cooling flow channel (310) and the second cooling flow channel (320) are serpentine structures and are respectively arranged around the circumference of the first liner (101) and the second liner (210), and the first cooling flow channel (310) is communicated with the second cooling flow channel (320) through a connecting pipeline (330).

5. The sound-insulating cover according to claim 2, characterized in that the side of the first liner (101) facing the first sound-absorbing layer (102) is formed with a first groove, in which at least part of the first cooling flow channel (310) is located;

the side surface of the second lining (210) facing the second sound absorption layer (220) is provided with a second groove, and at least part of the second cooling flow channel (320) is arranged in the second groove.

6. The acoustic enclosure according to claim 2, wherein the first enclosure assembly (100) comprises an upper enclosure (110) and a middle enclosure (120) removably attached to a lower end of the upper enclosure (110);

the upper cover body (110) comprises an upper liner (111) and an upper sound absorption layer (112) arranged around the outer side of the upper liner (111), the middle cover body (120) comprises a middle liner (121) and a middle sound absorption layer (122) arranged around the outer side of the middle liner (121), and the upper liner (111) and the middle liner (121) form the first liner (101); the upper sound-absorbing layer (112) and the middle sound-absorbing layer (122) form the first sound-absorbing layer (102);

the first cooling flow channel (310) comprises an upper cooling flow channel (311) and a middle cooling flow channel, the upper cooling flow channel (311) is arranged between the upper lining (111) and the upper sound absorption layer (112), and the middle cooling flow channel is arranged between the middle lining (121) and the middle sound absorption layer (122);

one end of the middle cooling flow passage is communicated with the upper cooling flow passage (311) through a connecting pipeline (330), and the other end of the middle cooling flow passage is communicated with the second cooling flow passage (320) through a connecting pipeline (330).

7. The acoustic enclosure of claim 2, wherein the first enclosure assembly (100) further comprises a first attachment structure (130) and a second attachment structure (140);

the first connecting structure (130) is arranged at the lateral side of the first inner lining (101) and is used for being connected with a framework (30) of a bogie assembly; the second connecting structure (140) is arranged at the bottom of the first liner (101) and is used for being connected with a support (40) of a bogie assembly;

the second cover assembly (200) further comprises a third connecting structure (230) and a fourth connecting structure (240);

the third connecting structure (230) is arranged on the lateral side of the second inner liner (210) and is used for being connected with a framework (30) of a bogie assembly; the fourth connecting structure (240) is arranged at the top of the second inner liner (210) and is used for being connected with a support (40) of a bogie assembly.

8. The acoustic enclosure according to claim 2, characterized in that the first inner lining (101) is provided with a viewing window (1111), and the first sound-absorbing layer (102) is provided with an openable fold in a position corresponding to the viewing window (1111);

and/or an openable access door (1112) is arranged on the lateral side of the first liner (101).

9. The acoustic enclosure according to claim 2, characterized in that the first (102) and second (220) sound-absorbing layers are connected to the first (101) and second (210) inner liners, respectively, by cold-proof nails (400).

10. The acoustic enclosure according to any one of claims 2 and 4-9, wherein the acoustic enclosure (10) further comprises a heat sink assembly (500), and the heat sink assembly (500) comprises a first heat sink portion and a second heat sink portion connected to each other, wherein the first heat sink portion is disposed on an inner surface of the first enclosure assembly (100) and/or the second enclosure assembly (200), and the second heat sink portion is disposed on an outer surface of the first enclosure assembly (100) and/or the second enclosure assembly (200) for transferring heat inside the acoustic enclosure (10) outwards.

11. The acoustic enclosure of claim 10, wherein the heat sink assembly (500) comprises a first heat sink (510) and a second heat sink (520) that are each umbrella-shaped;

the first radiating fin (510) comprises a first radiating umbrella (511) and a first umbrella handle (512), and the second radiating fin (520) comprises a second radiating umbrella (521) and a second hole shaft (522) matched with the first umbrella handle (512);

a through hole communicated with the inner surface and the outer surface of the first cover body assembly (100) and/or the second cover body assembly (200) is formed on the first cover body assembly (100) and/or the second cover body assembly (200), and the first umbrella handle (512) and the second hole shaft (522) are inserted from two ends of the through hole and are connected in a matched mode;

the first heat radiating umbrella (511) forms the first heat radiating part, and the second heat radiating umbrella (521) forms the second heat radiating part.

12. A bogie assembly comprising a brake disc assembly (20) and an acoustic shield (10) according to any of claims 1 to 11, said acoustic shield (10) being adapted to shield said brake disc assembly (20).

13. A rail vehicle, characterized in that it comprises a bogie assembly according to claim 12.

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