Equipment compartment structure and railway vehicle

Abstract

The invention provides an equipment compartment structure which comprises a plurality of supporting beams which extend in parallel in the first direction of a railway vehicle and are arranged at intervals, and the two ends of each supporting beam are installed on the lower portion of a chassis of the railway vehicle. A plurality of groups of bottom plates, wherein each group of bottom plates is slidably mounted between two adjacent supporting beams; when the railway vehicle is in a running state, the multiple bottom plates of each set of bottom plates are sequentially arranged in the first direction, and the multiple bottom plates are in the first state that the containing space in the lower portion of the bottom frame is closed. And when the railway vehicle is in the maintenance state, at least one bottom plate slides relative to the supporting beams to move to the position above the other bottom plate located between the two supporting beams or slide out of the position between the two supporting beams, so that at least one bottom plate is in the second state that the containing space is opened.

Description

Technical Field

[0001] The present disclosure relates to the technical field of rail vehicles, and more specifically, to an equipment cabin structure and a rail vehicle. Background Art

[0002] The equipment compartment of a rail vehicle is a compartment space located at the bottom of the rail vehicle and used to place equipment.

[0003] The equipment cabin is a non-load-bearing structure. The closed design of the equipment cabin is intended to reduce the air resistance during train operation and strengthen the protection of the undercarriage suspension device, while also increasing the aesthetic effect of the vehicle body appearance. When designing the equipment cabin, it is necessary to ensure the convenience and reliability of the installation and maintenance of the undercarriage suspension equipment, and it is also required to have a certain mechanical strength to protect the equipment in the equipment cabin from collision and interference from foreign objects such as rain, snow, wind and sand.

[0004] In the related art, the equipment cabin generally adopts a metal welded structure to ensure a certain mechanical strength, but there are also many problems, such as heavy weight, structural safety issues such as weld cracking, inconvenient maintenance and increased costs, ventilation and heat dissipation issues, bolt connection safety issues such as loosening and falling off, the lock door will loosen and open, posing a safety hazard, and snow accumulation in the bogie area. If composite materials are used for the equipment cabin, there are also problems such as high cost and poor stability. Summary of the invention

[0005] In view of this, the present disclosure provides an equipment cabin structure and a rail vehicle, which can improve maintenance efficiency.

[0006] As one aspect of an embodiment of the present disclosure, there is provided an equipment cabin structure, characterized in that it includes a plurality of support beams and a plurality of groups of bottom plates. The plurality of support beams extend in parallel and are arranged at intervals in a first direction of a rail vehicle, and both ends of each support beam are mounted on the lower part of the underframe of the rail vehicle; each group of bottom plates is slidably mounted between two adjacent support beams; wherein, when the rail vehicle is in operation, the plurality of bottom plates of each group of bottom plates are sequentially arranged along the first direction, and the plurality of bottom plates are in a first state of closing the storage space at the lower part of the underframe; when the rail vehicle is in an inspection state, at least one of the bottom plates moves to the top of the other bottom plates located between the two support beams or slides out from between the two support beams by sliding relative to the support beam, so that at least one of the bottom plates is in a second state of opening the storage space.

[0007] According to an embodiment of the present disclosure, a plurality of sliders are provided on each of the bottom plates, and the plurality of sliders extend outward from both sides of the bottom plate close to the support beam, respectively. A slideway is formed on the side wall of each support beam facing the slider, and the slider extends into the slideway, and the position of the bottom plate relative to the support beam is limited by the slideway.

[0008] According to an embodiment of the present disclosure, each of the support beams comprises a bottom wall, an upper wall and two side walls. The upper wall is arranged below the bottom wall, and the two side walls are connected between the upper wall and the bottom wall, wherein the slideway is provided on the side wall and the upper wall of the support beam.

[0009] According to an embodiment of the present disclosure, the slide includes a first slide, a plurality of second slides and a plurality of third slides. The first slide extends on the side wall toward the first direction. A plurality of second slides are formed on the side wall and extend downward from the first slide, and the ends of the second slides extend horizontally. A plurality of third slides extend upward from the first slide to the upper wall. The slider slides from the upper wall into the third slide, passes through the first slide, and slides into the end of the second slide, so that the bottom plate is in the first state; or, the bottom plate is slid from the first state into the first slide along the second slide, and slides to the top of the other bottom plates through the first slide, or slides out from between the two support beams through the third slide.

[0010] According to an embodiment of the present disclosure, an extension portion extending toward the adjacent support beam is formed on the bottom wall, and a surface of the extension portion is recessed downward to form a groove extending along the first direction;

[0011] Sealing strips are installed at the lower parts of the two side edges of the bottom plate extending along the first direction, and the sealing strips are matched with the grooves so that the bottom plate is sealed and combined with the support beam in the first state.

[0012] According to an embodiment of the present disclosure, in a plane perpendicular to the first direction, a cross-sectional shape of the groove is a trapezoid, so as to cooperate with the sealing strip to keep the bottom plate in the first state.

[0013] According to an embodiment of the present disclosure, sealing members are respectively provided on both sides of the bottom plate perpendicular to the first direction, and in the first state, two adjacent bottom plates are sealed and combined by squeezing the two sealing members.

[0014] According to an embodiment of the present disclosure, a handle is provided on the lower side of the base plate, so that the base plate can slide between two adjacent support beams by operating the handle.

[0015] According to an embodiment of the present disclosure, the bottom plate includes: an upper plate, a lower plate and a plurality of support members. The lower plate is arranged opposite to the upper plate, and the plurality of support members are arranged at intervals between the upper plate and the lower plate. The slider is arranged on the support member.

[0016] As another aspect of the embodiment of the present disclosure, a rail vehicle is provided, comprising: a chassis and any one of the above-mentioned equipment cabin structures. Any one of the above-mentioned equipment cabin structures is installed at the lower part of the chassis.

[0017] According to the equipment cabin structure of the embodiment of the present disclosure, by slidably installing each group of bottom plates between two adjacent support beams, when the rail vehicle is in operation, the multiple bottom plates of each group of bottom plates can be arranged in sequence along the first direction, so that the multiple bottom plates are in a first state of closing the storage space at the bottom of the chassis; when the rail vehicle is in an overhaul state, at least one bottom plate is moved to the top of other bottom plates between the two support beams or slides out from between the two support beams by sliding relative to the support beam, so that at least one bottom plate is in a second state of opening the storage space. Through the sliding design of the bottom plate, the bottom plate can be easily removed in the overhaul state to open the storage space, which is convenient for overhaul and maintenance of the equipment at the bottom of the chassis, thereby improving the overhaul efficiency and reducing the difficulty and cost of overhaul. When the bottom plate is in an open state, the ventilation inside the equipment cabin can be enhanced, which is helpful for heat dissipation, thereby solving the ventilation and heat dissipation problems that may exist in the traditional equipment cabin. When the train is in operation, the bottom plate can protect the internal equipment from the influence of the external environment, while also maintaining the beautiful appearance of the rail vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and other objects, features and advantages of the present disclosure will become more apparent through the following description of the embodiments of the present disclosure with reference to the accompanying drawings, in which:

[0019] Figure 1 A perspective view schematically shows an equipment cabin in the related art;

[0020] Figure 2 Schematically shows a bottom view of an equipment cabin structure according to an embodiment of the present disclosure;

[0021] Figure 3 Schematically shows a first partial installation diagram of the equipment cabin structure according to an embodiment of the present disclosure;

[0022] Figure 4 A second partial installation diagram of the equipment cabin structure according to an embodiment of the present disclosure is schematically shown;

[0023] Figure 5 A partial cross-sectional view of an equipment cabin structure according to an embodiment of the present disclosure is schematically shown;

[0024] Figure 6 A cross-sectional view schematically shows the installation of a support beam and a connecting member according to an embodiment of the present disclosure;

[0025] Figure 7 A perspective view schematically shows a connecting piece according to an embodiment of the present disclosure;

[0026] Figure 8 schematically illustrates a side view of a support beam according to an embodiment of the present disclosure;

[0027] Fig. 9 A partial perspective view of a support beam according to an embodiment of the present disclosure is schematically shown;

[0028] Fig.10 Schematically shows Figure 8 A cross-sectional view along AA of the support beam shown;

[0029] Fig.11 Schematically shows Fig. 9 A partial enlarged view of portion B of the support beam shown;

[0030] Fig.12 Schematically shows a perspective view of a base plate according to an embodiment of the present disclosure;

[0031] Fig.13 Schematically shows Fig.12 A partial enlarged view of portion C of the bottom plate shown; and

[0032] Fig.14 A side view of a base plate according to an embodiment of the present disclosure is schematically shown.

[0033] Description of reference numerals:

[0034] 1- Support beam;

[0035] 11- slide;

[0036] 111- First slide;

[0037] 112 - second slide;

[0038] 113- Third slide;

[0039] 12-Bottom wall;

[0040] 121- extension;

[0041] 122-groove;

[0042] 13-Upper wall;

[0043] 14- side wall;

[0044] 15-top wall;

[0045] 16- connecting wall;

[0046] 2- bottom plate;

[0047] 21- Slider;

[0048] 22- Sealing strip;

[0049] 23- Seal;

[0050] 24-handle;

[0051] 25-upper plate;

[0052] 26-lower plate;

[0053] 27- support member;

[0054] 28-accommodating groove;

[0055] 3- bottom frame;

[0056] 31-side beam;

[0057] 4-track;

[0058] 5-Connectors;

[0059] 51-Ontology part;

[0060] 52-cantilever;

[0061] 53-First through hole

[0062] 54-Second through hole.

[0063] 6- Main beam;

[0064] 61- beam;

[0065] 62-side beam;

[0066] 63-vertical beam;

[0067] 7- Cladding plate. DETAILED DESCRIPTION

[0068] Hereinafter, embodiments of the present disclosure will be described with reference to the accompanying drawings. However, it should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present disclosure. In the following detailed description, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the present disclosure. However, it is apparent that one or more embodiments may also be implemented without these specific details. In addition, in the following description, descriptions of known structures and technologies are omitted to avoid unnecessary confusion of the concepts of the present disclosure.

[0069] The terms used herein are only for describing specific embodiments and are not intended to limit the present disclosure. The terms "comprise", "include", etc. used herein indicate the existence of the features, steps, operations and / or components, but do not exclude the existence or addition of one or more other features, steps, operations or components.

[0070] All terms (including technical and scientific terms) used herein have the meanings commonly understood by those skilled in the art unless otherwise defined. It should be noted that the terms used herein should be interpreted as having a meaning consistent with the context of this specification and should not be interpreted in an idealized or overly rigid manner.

[0071] When using expressions such as "at least one of A, B, and C, etc.", they should generally be interpreted according to the meaning of the expression commonly understood by those skilled in the art (for example, "a system having at least one of A, B, and C" should include but is not limited to a system having A alone, B alone, C alone, A and B, A and C, B and C, and / or A, B, C, etc.).

[0072] Figure 1 A perspective view of an equipment cabin in the related art is schematically shown.

[0073] In the process of implementing the present disclosure, it is found that Figure 1 As shown, the equipment cabin in the related art includes multiple groups of main beams 6 and multiple groups of cladding plates 7. Each group of main beams 6 includes two opposite cross beams 61, two arc-shaped side beams 62, and a vertical beam 63 connected between the two cross beams 61. The vertical beam 63 is installed between the two cross beams 61 by welding or screwing, and the side beams 62 are installed on the cross beams 61 by welding or screwing. Each group of cladding plates 7 is installed between two adjacent cross beams 61 by threaded connection. A plurality of reinforcing ribs arranged parallel to or perpendicular to the cross beams 61 are also required between the two upper cross beams 61 of the two adjacent groups of main beams 6 to ensure the supporting strength of the equipment cabin.

[0074] During maintenance, the bolts between the cladding plate 7 and the cross beam 61 need to be removed. After the maintenance is completed, the cladding plate 7 needs to be installed between the two cross beams 61 by bolts. The disassembly and assembly are cumbersome and the maintenance is inconvenient. In addition, the bolt connection is also prone to problems such as bolt loosening and falling off, which affects the structural stability and safety of the equipment cabin.

[0075] In such a solution, the vertical beam 63 and the side beam 62 are installed between the two cross beams 61 by welding or screwing. Bolt connection also has the problem of bolt loosening and falling off. Welding may also have the risk of weld cracking, which will have an adverse effect on the normal operation of the rail vehicle. The solution of using cross beam 61, side beam 62, vertical beam 63 and reinforcing ribs, although the structural strength is enhanced, it also makes the structure of the equipment cabin more complicated, which is not conducive to the lightweight design of the rail vehicle.

[0076] Figure 2 The bottom view of the equipment cabin structure according to the embodiment of the present disclosure is schematically shown. Figure 3 The first partial installation diagram of the equipment cabin structure according to the embodiment of the present disclosure is schematically shown. Figure 4 A second partial installation diagram of the equipment cabin structure according to an embodiment of the present disclosure is schematically shown. Figure 5 A partial cross-sectional view of an equipment cabin structure according to an embodiment of the present disclosure is schematically shown.

[0077] As one aspect of the embodiments of the present disclosure, there is provided an equipment cabin structure, such as Figures 2 to 5 As shown, the equipment cabin structure includes a plurality of support beams 1 and a plurality of groups of bottom plates 2. The plurality of support beams 1 extend in parallel and are arranged at intervals in the first direction of the rail vehicle, and both ends of each support beam 1 are installed at the lower part of the chassis of the rail vehicle. Each group of bottom plates 2 is slidably installed between two adjacent support beams 1. Specifically, when the rail vehicle is in operation, the plurality of bottom plates 2 of each group of bottom plates 2 are arranged in sequence along the first direction, and the plurality of bottom plates 2 are in a first state of closing the accommodation space at the lower part of the chassis; when the rail vehicle is in maintenance, at least one bottom plate 2 moves to the top of the other bottom plates 2 located between the two support beams 1 or slides out from between the two support beams 1 by sliding relative to the support beam 1, so that at least one bottom plate 2 is in a second state of opening the accommodation space.

[0078] According to the equipment cabin structure of the embodiment of the present disclosure, by slidably installing each group of bottom plates 2 between two adjacent support beams 1, when the rail vehicle is in operation, the multiple bottom plates 2 of each group of bottom plates 2 can be arranged in sequence along the first direction, so that the multiple bottom plates 2 are in a first state of closing the storage space at the bottom of the chassis; when the rail vehicle is in an overhaul state, at least one bottom plate 2 is moved to the top of other bottom plates 2 located between the two support beams 1 or slides out from between the two support beams 1 by sliding relative to the support beam 1, so that at least one bottom plate 2 is in a second state of opening the storage space. Through the sliding design of the bottom plate 2, the bottom plate 2 can be easily removed in the overhaul state to open the storage space, which is convenient for overhaul and maintenance of the equipment at the bottom of the chassis, thereby improving the overhaul efficiency and reducing the overhaul difficulty and cost. When the bottom plate 2 is in an open state, the ventilation inside the equipment cabin can be enhanced, which helps to dissipate heat, thereby solving the ventilation and heat dissipation problems that may exist in the traditional equipment cabin. When the train is in operation, the bottom plate 2 can protect the internal equipment from the influence of the external environment, while also maintaining the beautiful appearance of the rail vehicle.

[0079] According to an embodiment of the present disclosure, the first direction may be a length direction or a width direction of the rail vehicle.

[0080] According to an embodiment of the present disclosure, the equipment in the equipment compartment may include electrical traction and auxiliary system equipment, such as a VVVF box (variable frequency transformer controller), a resistor brake box, a SIV box (static inverter), and the like.

[0081] like Figure 2 As shown, both ends of the support beam 1 are respectively mounted on the side beams 31 of the underframe 3 of the rail vehicle, and the support beam 1 is located above the track.

[0082] Figure 6 A cross-sectional view schematically shows the installation of a support beam and a connecting member according to an embodiment of the present disclosure, Figure 7 A three-dimensional view of a connector according to an embodiment of the present disclosure is schematically shown.

[0083] like Figure 6 As shown, the support beam 1 is mounted on the side beam 31 through the connecting member 5. Figure 7 As shown, the connecting member 5 includes a main body 51 and two cantilevers 52. The two cantilevers 52 extend downward from the main body 51, and the two cantilevers 52 are respectively provided with second through holes 54, through which bolts pass to mount the ends of the two side walls of the support beam 1 on the connecting member 5. The main body 51 begins to have a first through hole 53, through which bolts pass to mount the connecting member 5 on the side beam 31.

[0084] Figure 8 Schematically shows a side view of a support beam according to an embodiment of the present disclosure, Fig. 9A partial perspective view of a support beam according to an embodiment of the present disclosure is schematically shown.

[0085] According to the embodiments of the present disclosure, Figure 4 , Figure 8 and Fig. 9 As shown, the support beam 1 comprises a main body and two transition parts. The two transition parts extend upward from both ends of the main body respectively.

[0086] Furthermore, the main body may be rod-shaped, and the transition portion may be arc-shaped. The main body may be substantially parallel to the plane where the underframe 3 of the rail vehicle is located.

[0087] According to an embodiment of the present disclosure, the support beam 1 may be an integrally formed structure.

[0088] In the exemplary embodiment, the profile can be bent to form the support beam 1. In this way, there is no weld on the support beam 1, no risk of cracking, and safety is guaranteed. In addition, the cross section of the bent profile is smooth, the wind resistance is reduced, the bent profile is light, and it is easy to install and disassemble. Compared with the traditional support beam, the weight of the support beam is reduced, and the stability and safety of the equipment cabin are improved.

[0089] In an illustrative embodiment, an aluminum profile may be used, and the aluminum profile may be stretched and bent to form a support beam 1 as the skeleton of the equipment cabin structure without using a welded structure or a carbon fiber structure.

[0090] In an illustrative embodiment, the base plate 2 may be made of aluminum profile.

[0091] Fig.10 Schematically shows Figure 8 The cross-section of the support beam along AA is shown, Fig.11 Schematically shows Fig. 9 A partial enlarged view of portion B of the support beam is shown.

[0092] According to the embodiments of the present disclosure, Figures 5 to 11 As shown, each support beam 1 includes a bottom wall 12, an upper wall 13 and two side walls 14. The upper wall 13 is arranged below the bottom wall 12, and the two side walls 14 are connected between the upper wall 13 and the bottom wall 12, wherein the slideway is opened on the side wall 14 and the upper wall 13 of the support beam 1.

[0093] According to the embodiment of the present disclosure, the upper wall 13, the bottom wall 12 and the two side walls 14 form a closed box-shaped structure, so that the support beam 1 has high rigidity and stability, and can effectively resist external loads and vibrations. The setting of the slideway allows the bottom plate 2 of the equipment compartment to slide along the support beam 1, which is convenient for the installation, maintenance and replacement of the equipment, and improves the work efficiency during maintenance or overhaul. In addition, this structure of the support beam 1 can reduce the overall weight while ensuring strength, thereby improving the energy efficiency of the rail vehicle.

[0094] According to the embodiments of the present disclosure, Figure 5 , Fig.10 and Fig.11 As shown, the support beam 1 further includes a top wall 15 and two connecting walls 16. The top wall 15 is arranged above the upper wall 13, and the two connecting walls 16 are connected between the top wall 15 and the upper wall 13. The distance between the two connecting walls 16 is smaller than the distance between the two side walls 14.

[0095] In such an embodiment, the distance between the two connecting walls 16 is smaller than the distance between the two side walls 14, and the distance between the top wall 15 and the upper wall 13 is larger than the slider 21 (which will be described later in conjunction with FIG. Fig.12 and Fig.13 Detailed description) in the height direction, so that the space between the top wall 15 and the upper wall 13 allows the slider 21 to slide into or out of the slideway from the upper wall 13.

[0096] In such an embodiment, by providing the top wall 15, the top support of the support beam 1 is increased, making the structure of the entire support beam 1 more solid and better able to withstand external loads and vibrations. The connecting wall 16 strengthens the connection between the top wall 15 and the upper wall 13, thereby improving the stability of the entire support beam 1. The provision of the top wall 15 and the connecting wall 16 helps to better distribute the weight of the equipment in the equipment compartment, reducing the pressure on a single support point, thereby extending the service life of the support beam 1. The top wall 15 and the connecting wall 16 can provide additional fixing points for the equipment inside the equipment compartment, making the installation of the equipment more stable. In addition, the top wall 15 can prevent foreign matter from entering the equipment compartment from above, protecting the internal equipment from damage.

[0097] According to the embodiments of the present disclosure, Figures 8 to 11 As shown, the slideway 11 includes a first slideway 111, a plurality of second slideways 112, and a plurality of third slideways 113. The first slideway 111 extends in a first direction on the side wall 14, a plurality of second slideways 112 are formed on the side wall 14 and extend downward from the first slideway 111, and the ends of the second slideways 112 extend horizontally. A plurality of third slideways 113 extend upward from the first slideway 111 to the upper wall 13. The slider 21 slides from the upper wall 13 into the third slideway 113, passes through the first slideway 111, and slides into the ends of the second slideways 112, so that the bottom plate 2 is in the first state; or, the bottom plate 2 is slid from the first state into the first slideway 111 along the second slideway 112, and slides to the top of other bottom plates 2 through the first slideway 111, or slides out from between the two support beams 1 through the third slideway 113.

[0098] According to an embodiment of the present disclosure, the distance between the ends of the first slideway 111 and the second slideway 112 is greater than the thickness of the bottom plate 2 , so that the bottom plate 2 can be placed above another bottom plate 2 on the support beam 1 .

[0099] According to the embodiment of the present disclosure, a flexible movement mode is provided for the bottom plate 2 of the equipment compartment of the rail vehicle by providing a first slide 111, a plurality of second slides 112 and a plurality of third slides 113. Through different slide combinations, the bottom plate 2 can move in multiple directions, achieve multiple different states, and meet different operation requirements (such as normal operation, routine maintenance or overhaul).

[0100] In such an embodiment, the slider 21 can slide from the upper wall 13 into the third slide 113, and then slide into the end of the second slide 112 through the first slide 111, so that the equipment compartment remains closed and compact when the train is running. When it is necessary to inspect the equipment in the equipment compartment, the slider 21 can slide into the first slide 111 along the second slide 112, and slide to the top of the other bottom plate 2 through the first slide 111, so that the bottom plate 2 can be easily converted from a closed state (first state) to an open state, which is convenient for maintenance personnel to access the equipment in the equipment compartment. When it is necessary to overhaul the equipment in the equipment compartment, the slider 21 can slide into the first slide 111 along the second slide 112, slide to the third slide 113 through the first slide 111, and slide out from the upper wall 13 along the third slide 113, and remove the bottom plate 2 from between the two support beams 1, which is convenient for maintenance personnel to access the equipment in the equipment compartment.

[0101] According to an embodiment of the present disclosure, the upper end of the third slideway 113 and the upper end of the second slideway 112 are staggered in the height direction.

[0102] According to the embodiments of the present disclosure, Fig.10 As shown, the second slideway 112 includes a first section of the second slideway 112 extending downward and a second section of the second slideway 112 extending horizontally. The size of the first section of the second slideway 112 gradually decreases from top to bottom, and the first section of the second slideway 112 can play a guiding role, ensuring that the slider 21 stably enters the second section of the second slideway 112 extending horizontally during the sliding process, thereby reducing deviation and jamming during the sliding process.

[0103] Furthermore, if Figures 8 to 10 As shown, the first section of the second slideway 112 extends obliquely downward from the first slideway 111. The first section of the second slideway 112 used for installing the same base plate 2 has the same extending direction.

[0104] In an illustrative embodiment, the extension directions of the first section of the second slideway 112 used to install two adjacent base plates 2 are different, so as to guide the slider 21 on the same base plate 2 to accurately enter the corresponding second slideway 112, thereby reducing the possibility of installation deviation and error of the base plate 2.

[0105] In an illustrative embodiment, Fig. 9From the perspective shown, the three first sections of the second slideways 112 for mounting the first base plate 2 extend obliquely to the left, and the three first sections of the second slideways 112 for mounting the second base plate 2 extend obliquely to the right.

[0106] In an illustrative embodiment, the number of the first slideway 111 on each side wall 14 may be one, and the first slideway 111 extends along the length direction of the support beam 1 .

[0107] In another exemplary embodiment, the number of first slideways 111 on each side wall 14 can be multiple, and they are spaced apart along the length direction of the support beam 1. For example, one first slideway 111 can be shared by every two bottom plates 2, or one slideway can be shared by every three bottom plates 2. It can be understood that the number of first slideways 111 can be designed according to actual needs.

[0108] According to the embodiment of the present disclosure, the connection between the first slideway 111 and the second slideway 112 is in an arc shape, and the connection between the first slideway 111 and the third slideway 113 is in an arc shape, so as to ensure that the slider 21 slides smoothly in the slideway.

[0109] Fig.12 Schematically shows a stereoscopic view of a base plate according to an embodiment of the present disclosure, Fig.13 Schematically shows Fig.12 A partial enlarged view of portion C of the base plate is shown.

[0110] According to the embodiments of the present disclosure, Fig.12 and Fig.13 As shown, each bottom plate 2 is provided with a plurality of sliders 21, and the plurality of sliders 21 extend outwards from both sides of the bottom plate 2 close to the support beam 1. A slideway 11 is formed on the side wall 14 of each support beam 1 facing the slider 21, and the slider 21 extends into the slideway, and the position of the bottom plate 2 relative to the support beam 1 is limited by the slideway.

[0111] According to the embodiment of the present disclosure, the cooperation between the slider 21 and the slideway can accurately limit the position of the bottom plate 2, prevent the bottom plate 2 from moving unnecessarily during the operation of the vehicle, and ensure the safety and stability of the equipment. In addition, through the cooperation between the slider 21 and the slideway, the installation and removal of the bottom plate 2 becomes easier and faster, reducing the time for maintenance and replacement of equipment.

[0112] According to an embodiment of the present disclosure, the slider 21 may be integrally formed with each base plate 2 , or may be mounted on the base plate 2 by screwing, welding or riveting.

[0113] According to the embodiment of the present disclosure, the design of the sliding base plate 2 realizes the modularization of the equipment cabin, so that the base plate 2 can be replaced individually without the need to dismantle the equipment cabin as a whole, thereby improving the flexibility and convenience of maintenance.

[0114] In an exemplary embodiment, eight sliders 21 may be provided on each bottom plate 2, and four sliders 21 are provided on both sides of the bottom plate 2 close to the support beam 1. It is understandable that the number of sliders 21 may be adjusted according to the size of the bottom plate 2.

[0115] In an illustrative embodiment, the slider 21 may be a stainless steel pin, fixed to a support member 27 (described in detail later) of the bottom plate 2 by rivets.

[0116] According to the embodiments of the present disclosure, Figure 5 , Figures 9 to 11 As shown, an extension portion 121 extending toward the adjacent support beam 1 is formed on the bottom wall 12, and the surface of the extension portion 121 is recessed downward to form a groove 122 extending along the first direction. Sealing strips are installed at the lower part of the two side edges extending along the first direction of the bottom plate 2, and the sealing strips and the grooves 122 are matched with each other, so that the bottom plate 2 is sealed and combined with the support beam 1 in the first state.

[0117] According to the embodiment of the present disclosure, by providing a sealing strip between the bottom plate 2 and the support beam 1, the sealing strip and the groove 122 are matched concavely and convexly, so that the gap between the bottom plate 2 and the support beam 1 can be effectively sealed to prevent moisture, dust and other foreign matter from entering the equipment compartment and protect the internal equipment. In addition, the sealing strip can also play a buffering role, reduce the direct collision between the bottom plate 2 and the support beam 1, and protect the bottom plate 2 and the support beam 1 from damage. By providing a sealing strip, the vibration and noise generated during the operation of the rail vehicle can be absorbed and reduced, and the riding comfort can be improved.

[0118] According to the embodiments of the present disclosure, Figure 5 and Fig.10 As shown, in a plane perpendicular to the first direction, the cross-sectional shape of the groove 122 is a trapezoid, so as to cooperate with the sealing strip to keep the bottom plate 2 in the first state.

[0119] In such an embodiment, by setting the cross-sectional shape of the groove 122 to a trapezoid, it can better match the shape of the sealing strip, form a tighter seal, and effectively prevent water, dust and other foreign matter from entering the equipment compartment. At the same time, the trapezoidal groove 122 can provide a better fixing effect between the bottom plate 2 and the support beam 1, making the bottom plate 2 more stable in the first state, and not easily displaced by vehicle vibration, which helps to maintain the stability of the bottom plate 2 in the first state.

[0120] According to an embodiment of the present disclosure, by setting the cross-sectional shape of the groove 122 to a trapezoid, the sealing strip can cooperate with the groove 122 to lock the base plate 2 in the first state, thereby ensuring that the base plate 2 is firmly in a closed state when the rail vehicle is running, preventing accidental opening, and improving the safety of operation.

[0121] Fig.14 A side view of a base plate according to an embodiment of the present disclosure is schematically shown.

[0122] According to the embodiments of the present disclosure, Fig.14 As shown, sealing members 23 are respectively provided on two sides of the bottom plate 2 perpendicular to the first direction. In the first state, two adjacent bottom plates 2 are sealed and combined by squeezing the two sealing members 23 .

[0123] In an illustrative embodiment, Fig.14 As shown, the cross section of the seal 23 in the plane parallel to the first direction is annular. When two adjacent bottom plates 2 are combined in the first state, the two bottom plates 2 are tightly squeezed together by mechanical pressure, so that the annular seals 23 on both sides are squeezed, and the annular seals 23 are deformed to fill the small gap between the two bottom plates 2, thereby sealing and combining the two adjacent bottom plates 2. After the seal 23 is squeezed, it can effectively prevent moisture, dust and other external substances from entering the interior of the device through the seams between the bottom plates 2.

[0124] In another exemplary embodiment, the sealing member 23 may also be in a strip shape.

[0125] According to the embodiments of the present disclosure, Fig.14 As shown, a handle 24 is provided on the lower side of the base plate 2 , so that the base plate 2 can be slid between two adjacent support beams 1 by operating the handle 24 .

[0126] According to an embodiment of the present disclosure, the handle 24 is located on the lower side of the base plate 2 , providing a stable gripping point for the operator, so that the operator can grab or push the handle 24 from below, and operate the handle 24 to enable the base plate 2 to slide between two adjacent support beams 1 .

[0127] According to an embodiment of the present disclosure, the handle 24 may be fixed to the base plate 2, and may also be of a retractable or foldable design so as not to affect other functions or appearance of the base plate 2 when not in use.

[0128] According to the embodiments of the present disclosure, Figure 12 to Figure 14 As shown, the bottom plate 2 includes an upper plate 25, a lower plate 26 and a plurality of supporting members 27. The lower plate 26 is arranged opposite to the upper plate 25, and the plurality of supporting members 27 are arranged at intervals between the upper plate 25 and the lower plate 26. The slider 21 is arranged on the supporting member 27.

[0129] In such an embodiment, a plurality of support members 27 are arranged at intervals between the upper plate 25 and the lower plate 26, which helps to disperse the load and improve the overall stability and load-bearing capacity of the bottom plate 2. In addition, the support members 27 can play a shock-absorbing role and reduce the vibration of the rail vehicle during operation.

[0130] According to the embodiments of the present disclosure, Figure 12 to Figure 14 As shown, receiving grooves 28 are formed on both sides of the bottom plate 2 perpendicular to the first direction. One end of the seal 23 is received in the receiving groove 28, and the other end extends outward to contact the seal 23 of another bottom plate 2, thereby sealing and combining the two adjacent bottom plates 2.

[0131] In an illustrative embodiment, eight bottom plates 2 are arranged between two adjacent support beams 1, and each bottom plate 2 can slide or be disassembled arbitrarily along the slideway under the action of external force.

[0132] Each slideway on the support beam 1 can realize functions such as locking during operation, sliding freely during maintenance, and convenient removal of the bottom plate 2 during overhaul.

[0133] In the equipment cabin structure provided according to the embodiment of the present disclosure, the connection between the support beam 1 and the bottom plate 2 does not have bolts, rollers and other auxiliary parts, and the structure is simple.

[0134] According to an embodiment of the present disclosure, a rotation lock may be added at a suitable position to prevent the bottom plate 2 from sliding under vibration.

[0135] In such an embodiment, a mounting hole may be pre-formed on the support member where the twist lock is to be mounted, and the twist lock may be fixed in the mounting hole. The twist lock includes a rotatable locking pin or bolt, and by rotating the locking pin or bolt, the twist lock may be inserted into the mounting hole of the support member, thereby fixing the base plate to the support beam.

[0136] According to the embodiment of the present disclosure, the equipment compartment structure of the embodiment of the present disclosure may be adopted in other areas except the wheel area.

[0137] According to an embodiment of the present disclosure, a sliding door structure may also be provided on the bottom plate 2 .

[0138] According to the embodiments of the present disclosure, the design of the wheel peripheral profile should be partially strengthened to prevent vibration. If permitted, the aluminum profile can be formed to guide air flow and reduce wind resistance.

[0139] As another aspect of an embodiment of the present disclosure, a rail vehicle is provided. The rail vehicle includes a base frame 3 and any one of the above-mentioned equipment cabin structures, and the equipment cabin structure is installed at the lower part of the base frame 3.

[0140] According to the rail vehicle provided by the embodiment of the present disclosure, a plurality of support beams 1 and a plurality of groups of bottom plates 2 are used in cooperation with a base frame 3 to form an equipment compartment of the rail vehicle. Through the sliding design of the bottom plate 2, the bottom plate 2 can be easily removed in the maintenance state to open the accommodation space, thereby facilitating the maintenance and repair of the equipment under the base frame 3, thereby improving the maintenance efficiency, reducing the difficulty and cost of maintenance, saving manufacturing costs and train operating costs, reducing the structural weight, and improving maintenance efficiency.

[0141] The embodiments of the present disclosure are described above. However, these embodiments are only for illustrative purposes and are not intended to limit the scope of the present disclosure. Although the embodiments are described above separately, this does not mean that the measures in the various embodiments cannot be used in combination to advantage. The scope of the present disclosure is defined by the attached claims and their equivalents. Without departing from the scope of the present disclosure, those skilled in the art may make a variety of substitutions and modifications, which should all fall within the scope of the present disclosure.

Claims

1. An equipment cabin structure, characterized in that: include: A plurality of support beams extending in parallel in a first direction of the rail vehicle and arranged at intervals, with both ends of each support beam being mounted on a lower portion of a chassis of the rail vehicle; A plurality of groups of bottom plates, each group of bottom plates being slidably mounted between two adjacent support beams; Wherein, when the rail vehicle is in a running state, the plurality of bottom plates of each group of bottom plates are arranged in sequence along the first direction, and the plurality of bottom plates are in a first state of closing the accommodation space at the lower part of the chassis; When the rail vehicle is in a maintenance state, at least one of the bottom plates moves to the top of the other bottom plates located between the two support beams or slides out from between the two support beams by sliding relative to the support beam, so that at least one of the bottom plates is in a second state in which the accommodating space is opened.

2. The equipment cabin structure according to claim 1, characterized in that: Each of the bottom plates is provided with: A plurality of sliding blocks respectively extend outward from two sides of the bottom plate close to the support beam; Wherein, a slideway is formed on the side wall of each support beam facing the sliding block, and the sliding block extends into the slideway, so that the position of the bottom plate relative to the support beam is limited by the slideway.

3. The equipment cabin structure according to claim 2, characterized in that: Each of the support beams comprises: bottom wall; an upper wall, disposed below the bottom wall; Two side walls are connected between the upper wall and the bottom wall, wherein the slideway is opened on the side walls and the upper wall of the support beam.

4. The equipment cabin structure according to claim 3, characterized in that: The slide comprises: a first slideway extending on the side wall toward the first direction; a plurality of second slideways formed on the side wall and extending downward from the first slideway, with the ends of the second slideways extending horizontally; a plurality of third slideways extending upward from the first slideway to the upper wall; The slider slides from the upper wall into the third slide, passes through the first slide, and slides into the end of the second slide, so that the bottom plate is in the first state; or, the bottom plate is slid from the first state into the first slide along the second slide, and slides to the top of the other bottom plate through the first slide, or slides out from between the two support beams through the third slide.

5. The equipment cabin structure according to claim 3 or 4, characterized in that: An extension portion extending toward the adjacent support beam is formed on the bottom wall, and a surface of the extension portion is recessed downward to form a groove extending along the first direction; Sealing strips are installed at the lower parts of the two side edges of the bottom plate extending along the first direction, and the sealing strips are matched with the grooves so that the bottom plate is sealed and combined with the support beam in the first state.

6. The equipment cabin structure according to claim 5, characterized in that: In a plane perpendicular to the first direction, a cross-sectional shape of the groove is a trapezoid, so as to cooperate with the sealing strip to keep the bottom plate in the first state.

7. The equipment cabin structure according to any one of claims 1 to 4, characterized in that: Sealing members are respectively provided on two sides of the bottom plate that are perpendicular to the first direction. In the first state, two adjacent bottom plates are sealed and combined by squeezing the two sealing members.

8. The equipment cabin structure according to any one of claims 1 to 4, characterized in that: A handle is provided on the lower side of the bottom plate, so that the bottom plate can be slid between two adjacent support beams by operating the handle.

9. The equipment cabin structure according to any one of claims 2 to 4, characterized in that: The bottom plate comprises: upper plate; A lower plate, arranged opposite to the upper plate; A plurality of support members are arranged between the upper plate and the lower plate at intervals; Wherein, the sliding block is arranged on the supporting member.

10. A rail vehicle, characterized in that: include: chassis; as well as The equipment cabin structure as described in any one of claims 1 to 9 is installed at the lower part of the base frame.

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