Bogie side coating apron board device, bogie and rail vehicle

Abstract

The invention discloses a bogie side coating apron board device, a bogie and a railway vehicle, the bogie side coating apron board device comprises an apron board body, the apron board body comprises main foam; the two side foams are arranged on the two sides of the main foam respectively in the first direction; the skin is coated outside the main foam and the side foam, so that the apron board body forms an integrated structure; a mounting seat is arranged at the position, corresponding to the main foam, of the apron board body and used for being connected with a vehicle body of the railway vehicle; and a mounting structure is arranged on the apron board body corresponding to the side foam. The main foam and the side foam are wrapped by the skin to form the integrated apron board body, and the foam is light, so that weight reduction is facilitated; the main foam is used for supporting the mounting base, the side foam is used for supporting the mounting structure, the foam has certain structural rigidity while reducing the weight, the main foam and the side foam are designed in a split mode, stress of the mounting base and the mounting structure is dispersed in different foams, the structural rigidity can be improved, and therefore the overall rigidity of the bogie side wrapping apron board device can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of skirt plate structures, and more particularly to a bogie side cladding skirt plate device, a bogie and a rail vehicle. Background Art

[0002] In order to reduce the wind resistance of rail vehicles, currently, a covering skirt device is provided on both sides of the bogie. The covering skirt device is used to reduce the airflow entering the bogie area, thereby reducing the overall wind resistance of the rail vehicle.

[0003] However, the wrapped skirt devices in the related art are either too heavy and do not meet the lightweight requirements of rail vehicles, or have insufficient structural rigidity and are easily damaged and fail.

[0004] Therefore, how to achieve weight reduction of the bogie side cladding skirt device while ensuring its structural rigidity is an urgent problem to be solved by those skilled in the art. Summary of the Invention

[0005] In view of this, an object of the present invention is to provide a bogie side cladding skirt device, which can achieve weight reduction of the bogie side cladding skirt device while ensuring its structural rigidity.

[0006] Another object of the present invention is to provide a bogie comprising the above-mentioned bogie side cladding skirt device, which can achieve weight reduction of the bogie side cladding skirt device while ensuring its structural rigidity.

[0007] Another object of the present invention is to provide a rail vehicle comprising the above-mentioned bogie, which can achieve weight reduction of the bogie side cladding skirt device while ensuring its structural rigidity.

[0008] In order to achieve the above object, the present invention provides the following technical solutions:

[0009] A bogie side cladding skirt device includes a skirt body, wherein the skirt body includes:

[0010] Main foam;

[0011] Two side foams are respectively arranged on both sides of the main foam along a first direction;

[0012] a skin covering the main foam and the side foam so that the skirt body forms an integrated structure;

[0013] The skirt panel body is provided with a mounting seat at a position corresponding to the main foam, and the mounting seat is used to connect to the body of the rail vehicle; the skirt panel body is provided with a mounting structure at a position corresponding to the side foam.

[0014] Optionally, the skirt body is provided with:

[0015] at least one inspection door rotatably connected to the skirt body so that the inspection door can be opened or closed;

[0016] a first reinforcing rib provided on a side of the inspection door along the first direction, and extending along a second direction and exceeding a preset distance from the top of the inspection door, the second direction being perpendicular to the first direction;

[0017] The second reinforcing rib is arranged corresponding to the mounting seat and extends along the second direction to the edge of the mounting seat.

[0018] Optionally, a locking beam is provided at a position of the skirt body corresponding to the top of the inspection door, and the locking beam is provided with a door lock to lock or release the inspection door;

[0019] A buffer is provided on the side of the lock beam facing the inspection door, and a metal part is embedded in the buffer. The metal part includes a fixing part and a limiting part. The fixing part, the buffer and the lock beam are fixed by a first fastener. The limiting part protrudes toward the side where the inspection door is located. The buffer includes a first protrusion and a second protrusion. The first protrusion is covered outside the limiting part and is used to stop and limit the extreme position of the inspection door. The second protrusion is used to fit tightly with the inspection door, and the second protrusion is provided with a buffer cavity.

[0020] Optionally, a mounting hole is provided on the skirt board body at a position corresponding to the mounting seat, a metal bushing is embedded in the mounting hole, one end of the metal bushing is provided with a wing plate that fits and limits the position with one side of the skirt board body, and the mounting seat is provided on a side of the skirt board body away from the wing plate, and the skirt board body, the metal bushing and the mounting seat are connected by a second fastener.

[0021] Optionally, the mounting seat is connected to a transfer seat, the transfer seat is used to be connected to the vehicle body, and the stiffness of the transfer seat is greater than the stiffness of the mounting seat.

[0022] Optionally, the adapter includes:

[0023] A first arm and a second arm, each extending along the second direction;

[0024] a connecting portion connected between one end of the first arm and one end of the second arm, and configured to be connected to the vehicle body;

[0025] One end of the first arm away from the connecting portion is provided with a bent connecting portion bent toward the second arm, and one end of the second arm away from the connecting portion is provided with a sinking groove, the bottom of the sinking groove is in contact with the bent connecting portion and connected to the mounting seat.

[0026] Optionally, a reaming hole with a diameter larger than the diameter of the mounting hole is opened at a position of the main foam corresponding to the mounting hole, and a filling layer is provided between the inner wall of the reaming hole and the inner wall of the mounting hole, and the thickness of the filling layer is less than the thickness of the main foam, and the position of the skin corresponding to the filling layer includes an inner skin portion and a first outer skin portion, and the filling layer is covered inside the inner skin portion and the first outer skin portion, and a first sacrificial layer is provided on the side of the inner skin portion away from the filling layer, and the first sacrificial layer is provided with a first machined mounting surface.

[0027] Optionally, a first inclined surface is provided on a side of the main foam facing the side foam, and a second inclined surface is provided on a side of the side foam facing the main foam, and the first inclined surface is arranged parallel to the second inclined surface;

[0028] The skin includes an outer skin and an inner skin, the outer skin includes a second outer skin portion, a third outer skin portion and a fourth outer skin portion, the third outer skin portion and the fourth outer skin portion are respectively connected to the second outer skin portion, the second outer skin portion is covered on the outer side of the main foam, the third outer skin portion is covered on the outer side of the side foam, the fourth outer skin portion is covered between the first inclined surface and the second inclined surface and on the inner side of the side foam, the inner skin is covered on the inner side of the main foam and the side of the fourth outer skin portion away from the side foam, the side of the inner skin away from the fourth outer skin portion is provided with a second sacrificial layer, and the second sacrificial layer is provided with a second machined mounting surface.

[0029] A bogie comprises a bogie body and any one of the above-mentioned bogie side cladding skirt devices, wherein the bogie side cladding skirt devices are arranged on both sides of the bogie body along the width direction thereof.

[0030] A rail vehicle comprises the above-mentioned bogie.

[0031] The bogie side cladding skirt device provided by the present invention has the following beneficial effects:

[0032] The bogie side cladding skirt device has a foam sandwich structure, using a skin to cover the main foam and side foam to form an integrated, one-piece skirt body. The foam is lightweight, which helps reduce weight. For example, compared to lightweight aluminum honeycomb-clad skirts with the same structure, the foam sandwich structure bogie side cladding skirt device can further reduce weight by more than 25%. Moreover, the one-piece structure can reduce the number of connecting structures compared to a block-type structure, which helps further reduce the overall weight of the bogie side cladding skirt device. In addition, the main foam supports the mounting seat, and the side foam supports the mounting structure. The foam has a certain structural rigidity while reducing weight. The separate design of the main foam and the side foam disperses the force on the mounting seat and the mounting structure to different foams, which helps further improve the structural rigidity, thereby improving the overall rigidity of the bogie side cladding skirt device. In other words, the bogie side cladding skirt device provided by the embodiment of the present invention can achieve weight reduction while ensuring its structural rigidity, meeting lightweight requirements while being less prone to damage and failure.

[0033] The bogie provided by the present invention includes the above-mentioned bogie side cladding skirt device and at least includes the beneficial effects of the above-mentioned bogie side cladding skirt device.

[0034] The rail vehicle provided by the present invention comprises the above-mentioned bogie, and the bogie comprises the above-mentioned bogie side cladding skirt device, and at least has the beneficial effects of the above-mentioned bogie side cladding skirt device. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or related technologies, the following briefly introduces the drawings required for use in the embodiments or related technical descriptions. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0036] Figure 1 A schematic structural diagram of a bogie side cladding skirt device provided in a specific embodiment of the present invention;

[0037] Figure 2 Schematic diagram of the structure of the internal sandwich foam of the skirt body;

[0038] Figure 3 This is a schematic diagram of the structure after the skin is covered on the inner sandwich foam;

[0039] Figure 4 for Figure 1 Schematic diagram of the structure on the back (the top structure of the inspection door is hidden);

[0040] Figure 5 for Figure 4 A partial enlarged schematic diagram;

[0041] Figure 6 Schematic diagram of the structure of the buffer;

[0042] Figure 7 Schematic diagram of the installation structure of the mounting base;

[0043] Figure 8 Schematic diagram of the structure of the adapter;

[0044] Figure 9 A schematic diagram of the internal structure of the skirt body and the skin layup structure at the mounting seat;

[0045] Figure 10 Schematic diagram of the skin layup structure at the junction of the main foam and the side foam.

[0046] Reference numerals:

[0047] 1-skirt body; 11-main foam; 111-first inclined surface; 12-side foam; 121-second inclined surface; 13-skin; 131-inner skin portion; 132-first outer skin portion; 133-inner skin; 134-second outer skin portion; 135-third outer skin portion; 136-fourth outer skin portion; 14-mounting structure; 15-first reinforcement rib; 151-first reinforcement rib foam; 16-second reinforcement rib; 161-second reinforcement rib foam; 17-hook; 181-bend portion; 182- First skirt portion; 183-second skirt portion; 2-mounting seat; 3-inspection door; 4-locking beam; 41-door lock; 5-buffer; 51-first protrusion; 52-second protrusion; 521-buffer cavity; 6-metal part; 61-fixing portion; 62-limiting portion; 7-metal bushing; 71-wing plate; 8-adapter seat; 81-first arm; 82-second arm; 83-connecting portion; 811-bending connecting portion; 821-sink; 9-filling layer; 101-first sacrificial layer; 102-second sacrificial layer. DETAILED DESCRIPTION

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0049] The core of the present invention is to provide a bogie side cladding skirt device that reduces the weight of the bogie side cladding skirt device while ensuring its structural rigidity. Another core of the present invention is to provide a bogie including the above-mentioned bogie side cladding skirt device, which reduces the weight of the bogie side cladding skirt device while ensuring its structural rigidity. Another core of the present invention is to provide a rail vehicle including the above-mentioned bogie, which reduces the weight of the bogie side cladding skirt device while ensuring its structural rigidity.

[0050] It should be noted that, in the embodiment of the present invention, the first direction mainly refers to the length direction of the skirt body 1, and the second direction refers to the width direction of the skirt body 1, that is, the second direction is perpendicular to the first direction; when the bogie side cladding skirt device is applied to a bogie, the first direction corresponds to the front-rear direction of the bogie, and the second direction corresponds to the height direction of the bogie. For ease of understanding, the first direction is Figure 1 The direction of the X axis in the second direction is Figure 1 The direction of the middle Y axis.

[0051] Please refer to Figure 1 、 Figure 2 and Figure 3 An embodiment of the present invention provides a bogie side cladding skirt device, including a skirt body 1, the skirt body 1 including a main foam 11, a side foam 12 and a skin 13, the number of side foams 12 is two, and the two side foams 12 are respectively arranged on both sides of the main foam 11 along a first direction; the skin 13 is covered on the outside of the main foam 11 and the side foam 12, so that the skirt body 1 forms an integrated structure; a mounting seat 2 is provided at a position of the skirt body 1 corresponding to the main foam 11, and the mounting seat 2 is used to connect to the body of a rail vehicle; a mounting structure 14 is provided at a position of the skirt body 1 corresponding to the side foam 12.

[0052] That is to say, the bogie side cladding skirt device in the embodiment of the present invention is a foam sandwich structure, and the main foam 11 and the side foam 12 are covered with a skin 13 to form an integral one-piece skirt body 1. The foam material is light, which is conducive to weight reduction. For example, under the same structure, the bogie side cladding skirt device with a foam sandwich structure can further reduce the weight by more than 25% compared with the lightweight aluminum honeycomb cladding skirt. Moreover, the one-piece structure can reduce the connection structure and the like compared with the block structure, which is conducive to further reducing the overall weight of the bogie side cladding skirt device. In addition, the main foam 11 is used to support the mounting seat 2, and the side foam 12 is used to support the mounting structure 14. While reducing the weight, the foam also has a certain structural rigidity. Moreover, the main foam 11 and the side foam 12 are designed separately, so that the forces on the mounting seat 2 and the mounting structure 14 are dispersed in different foams, which is conducive to further improving the structural rigidity, thereby improving the overall rigidity of the bogie side cladding skirt device. That is, the bogie side cladding skirt device provided by the embodiment of the present invention can ensure its structural rigidity while achieving weight reduction of the bogie side cladding skirt device, and is not prone to damage or failure while meeting the lightweight requirements.

[0053] Furthermore, if Figure 1 As shown, in some embodiments, the skirt board body 1 is provided with at least one inspection door 3, a first reinforcing rib 15 and a second reinforcing rib 16, and the inspection door 3 is rotatably connected to the skirt board body 1 so that the inspection door 3 can be opened or closed; a reinforcing rib is extended along the second direction and is provided on the skirt board body 1, and is provided on the side of the inspection door 3 along the first direction, and the first reinforcing rib 15 extends along the second direction and exceeds a preset distance from the top of the inspection door 3; the second reinforcing rib 16 is provided corresponding to the mounting seat 2, and extends along the second direction to the edge of the mounting seat 2.

[0054] It should be noted that this embodiment does not limit the number of inspection doors 3. The number of inspection doors 3 can be one or at least two. For example, the number of inspection doors 3 is three. It is understandable that the area of ​​the inspection door 3 is usually large to facilitate inspection and maintenance. In particular, when the number of inspection doors 3 is more than one, the overall area of ​​the inspection door 3 is large, which requires opening corresponding holes in the skirt board body 1 to install the inspection door 3. The larger the hole in the skirt board body 1, the greater the impact on the rigidity of the skirt board body 1. Therefore, to ensure the rigidity of the skirt board body 1, this embodiment extends the first reinforcing rib 15 to a preset distance above the top of the inspection door 3, and extends the second reinforcing rib 16 to the edge of the mounting seat 2. That is, the rigidity of the skirt board body 1 is improved by the provision of the first reinforcing rib 15 and the second reinforcing rib 16.

[0055] This embodiment does not limit the specific number of the first reinforcing ribs 15 and the second reinforcing ribs 16. For example, the number of the second reinforcing ribs 16 is the same as the number of the mounting seats 2 and corresponds one-to-one to the mounting seats 2; the first reinforcing ribs 15 can be arranged on one side of a single inspection door 3, or the first reinforcing ribs 15 can be arranged on both sides of the single inspection door 3.

[0056] It should be noted that the first reinforcement rib 15 and the second reinforcement rib 16 can be structures independent of the skirt panel body 1 respectively. After the skirt panel body 1, the first reinforcement rib 15 and the second reinforcement rib 16 are assembled respectively, the first reinforcement rib 15 and the second reinforcement rib 16 are respectively connected to the skirt panel body 1; or the first reinforcement rib 15 and the second reinforcement rib 16 can be an integrated structure with the skirt panel body 1, that is, the first reinforcement rib 15 includes a first reinforcement rib foam 151, the second reinforcement rib 16 includes a second reinforcement rib foam 161, the first reinforcement rib foam 151 and the second reinforcement rib foam 161 are respectively arranged on the main foam 11, and the skin 13 is covered on the main foam 11, the side foam 12, the first reinforcement rib foam 151 and the second reinforcement rib foam 161, so that the first reinforcement rib 15 and the second reinforcement rib 16 and the skirt panel body 1 form an integrated structure.

[0057] In addition, this embodiment does not limit the specific connection method between the inspection door 3 and the skirt board body 1, as long as the inspection door 3 and the skirt board body 1 can be rotatably connected to realize the opening or closing of the inspection door 3.

[0058] like Figure 4 and Figure 5 As shown, in some embodiments, a lock beam 4 is provided at a position corresponding to the top of the inspection door 3 on the skirt board body 1. The lock beam 4 is provided with a door lock 41 to lock or release the inspection door 3. A hinge is provided at a position corresponding to the bottom of the inspection door 3 on the skirt board body 1. The bottom of the inspection door 3 is connected to the hinge. The hinge enables a rotational connection between the inspection door 3 and the skirt board body 1, allowing the inspection door 3 to be rotated open or closed. When the inspection door 3 is closed, the door lock 41 is used to lock the inspection door 3 to the lock beam 4. Exemplarily, the lock beam 4 is made of aluminum alloy and is fixed to the skirt board body 1 by adhesive rivets.

[0059] Further, in order to avoid the inspection door 3 from contacting the lock beam head-on, Figure 5 and Figure 6As shown, in some embodiments, a buffer component 5 is provided on the side of the lock beam 4 facing the inspection door 3, and a metal component 6 is embedded in the buffer component 5. The metal component 6 includes a fixing portion 61 and a limiting portion 62. The fixing portion 61, the buffer component 5 and the lock beam 4 are fixed by a first fastener. The limiting portion 62 protrudes toward the side where the inspection door 3 is located. The buffer component 5 includes a first protrusion 51 and a second protrusion 52. The first protrusion 51 is covered on the outside of the limiting portion 62 and is used to stop and limit the extreme position of the inspection door 3. The second protrusion 52 is used to fit tightly with the inspection door 3. The second protrusion 52 is provided with a buffer cavity 521.

[0060] That is to say, in this embodiment, a buffer member 5 is provided on the lock beam, and the buffer member 5 plays a buffering role to reduce the impact between the inspection door 3 and the lock beam 4. At the same time, the buffer member 5 is elastic and can meet the elastic force required for the opening and closing of the door lock 41. In addition, a metal member 6 is embedded in the buffer member 5, and the fixing portion 61 of the metal member 6, the buffer member 5 and the lock beam 4 are fixed together by a first fastener, which is conducive to improving the connection strength and connection reliability between the buffer member 5 and the lock beam; moreover, the metal member 6 is provided with a limiting portion 62, which is covered on the first protrusion 51, and the limiting portion 62 faces the inspection door 3 The protrusion is raised, so that when the inspection door 3 is closed, the first protrusion 51 can be used to cooperate with the limiting portion 62 to stop and limit the extreme position of the inspection door 3, that is, when the inspection door 3 contacts the first protrusion 51, the inspection door 3 can be closed in place under the forced limitation of the limiting portion 62; in addition, the buffer component 5 is provided with a second protrusion 52 for contacting the inspection door 3, and the second protrusion 52 is provided with a buffer cavity 521, and the buffer cavity 521 provides an elastic deformation space for the second protrusion 52, so that the buffer component 5 has a better buffering effect on the inspection door 3, and meets the elastic force required for the opening and closing of the door lock 41.

[0061] Furthermore, the first raised portion 51 is provided with a groove at the location where it contacts the inspection door 3. The groove structure also has a certain elastic deformation space to ensure smooth contact between the inspection door 3 and the first raised portion 51, thereby ensuring the correct and reliable closing position of the inspection door 3. It should be noted that this embodiment does not limit the specific number and distribution of the grooves.

[0062] In addition, this embodiment does not limit the specific number and distribution of the buffer members 5. For example, the locking beam 4 is provided with at least one buffer member 5 along its length direction (first direction). In addition, the buffer member 5 can be a rubber strip.

[0063] In addition, this embodiment does not limit the specific structure of the metal part 6. For example, the metal part 6 is an L-shaped metal part 6, and the L-shaped metal part 6 includes a first metal plate and a second metal plate. The first metal plate is a fixing part 61, which is used to be fixed to the buffer part 5 and the lock beam, and the second metal plate is a limiting part 62, which is used to stop and limit the extreme position of the inspection door 3.

[0064] In addition, the above embodiment does not limit the specific arrangement of the mounting base 2. Figure 7 As shown, in some embodiments, a mounting hole is provided at a position corresponding to the mounting seat 2 of the skirt board body 1, a metal bushing 7 is embedded in the mounting hole, and one end of the metal bushing 7 is provided with a wing plate 71 that fits and limits the position with one side of the skirt board body 1, and the mounting seat 2 is provided on the side of the skirt board body 1 away from the wing plate 71, and the skirt board body 1, the metal bushing 7 and the mounting seat 2 are connected by a second fastener.

[0065] That is to say, this embodiment improves the structural strength of the connection between the skirt board body 1 and the mounting seat 2 by embedding a metal bushing 7 in the mounting hole. On the one hand, the wing plate 71 plays a limiting role to achieve rapid installation and positioning of the metal bushing 7. On the other hand, the second fastener can pass through the wing plate 71 and connect with the skirt board body 1 and the mounting seat 2, thereby fixing the metal bushing 7 and preventing the second fastener from crushing the skirt board body 1.

[0066] Furthermore, if Figure 8 As shown, in some embodiments, the mounting base 2 is connected to a transfer base 8 , which is used to be connected to the vehicle body. The stiffness of the transfer base 8 is greater than that of the mounting base 2 .

[0067] That is to say, this embodiment realizes the connection between the mounting seat 2 and the rail vehicle body by adding an adapter seat 8. On the one hand, it is convenient to realize the connection between the mounting seat 2 and the body by reasonably designing the position of the adapter seat 8. On the other hand, by making the stiffness of the adapter seat 8 greater than the stiffness of the mounting seat 2, the structural strength of the mounting seat 2 can be improved, thereby improving the reliability of the connection between the mounting seat 2 and the body.

[0068] It should be noted that this embodiment does not limit the specific structure of the adapter 8, as long as it can achieve the connection between the mounting base 2 and the vehicle body.

[0069] like Figure 8As shown, in some embodiments, the adapter 8 includes a first arm 81, a second arm 82 and a connecting portion 83, and the first arm 81 and the second arm 82 extend along the second direction respectively; the connecting portion 83 is connected between one end of the first arm 81 and the second arm 82, and the connecting portion 83 is used to connect to the vehicle body; the end of the first arm 81 away from the connecting portion 83 is provided with a bent connecting portion 811 bent toward the second arm 82, and the end of the second arm 82 away from the connecting portion 83 is provided with a sink 821, and the bottom of the sink 821 is in contact with the bent connecting portion 811 and connected to the mounting seat 2.

[0070] In other words, this embodiment improves the structural strength of the adapter 8 by providing the first arm 81 and the second arm 82 extending along the second direction. Furthermore, by providing a recessed groove 821 at the end of the second arm 82 away from the connection portion 83 and ensuring that the bottom of the recessed groove 821 abuts against the bent connection portion 811, the bottom of the recessed groove 821, the bent connection portion 811, and the mounting base 2 are easily connected. In other words, this structure ensures the structural rigidity of the adapter 8 while facilitating the connection of the adapter 8 to the mounting base 2 and the vehicle body.

[0071] In addition, considering the specific structure of the skin 13 layer at the mounting seat 2, such as Figure 9 As shown, in some embodiments, a reaming hole with a diameter larger than the diameter of the mounting hole is opened at the position of the main foam 11 corresponding to the mounting hole, and a filling layer 9 is provided between the inner wall of the reaming hole and the inner wall of the mounting hole. The thickness of the filling layer 9 is less than the thickness of the main foam 11. The position of the skin 13 corresponding to the filling layer 9 includes an inner skin portion 131 and a first outer skin portion 132. The filling layer 9 is covered inside the inner skin portion 131 and the first outer skin portion 132, and a first sacrificial layer 101 is provided on the side of the inner skin portion 131 away from the filling layer 9, and the first sacrificial layer 101 is provided with a first machined mounting surface.

[0072] In other words, in this embodiment, a filler layer 9 is used to transition between the main foam 11 and the mounting hole. The thickness of the filler layer 9 is less than that of the main foam 11. In other words, the skirt body 1 is reduced in thickness at the mounting location of the mounting seat 2 to facilitate the installation of the mounting seat 2. It should be noted that this embodiment does not limit the specific material of the filler layer 9, as long as the filler layer 9 can serve as a transition between the main foam 11 and the mounting seat 2. Furthermore, it should be understood that the inner skin portion 131 and the first outer skin portion 132 are wrapped around the filler layer 9, connecting the filler layer 9 and the main foam 11 to form a monolithic structure. It should be noted that one side of the filler layer 9 can be coplanar with the inner side of the main foam 11, that is, the inner skin portion 131 smoothly transitions along the curvature of the main foam 11. Because the thickness of the filler layer 9 is less than that of the main foam 11, the first outer skin portion 132 can transition relative to the corresponding skin 13 of the main foam 11 through the bend of the skin 13. In addition, a first sacrificial layer 101 is provided on the side of the inner skin portion 131 away from the filling layer 9 for subsequent machining of the mounting surface to form a first machined mounting surface, thereby facilitating accurate installation of the skirt panel body 1 and the mounting seat 2 .

[0073] In addition, if Figure 10 As shown, in some embodiments, a first inclined surface 111 is provided on a side of the main foam 11 facing the side foam 12, and a second inclined surface 121 is provided on a side of the side foam 12 facing the main foam 11, and the first inclined surface 111 is arranged parallel to the second inclined surface 121; the skin 13 includes an outer skin and an inner skin 133, and the outer skin includes a second outer skin portion 134, a third outer skin portion 135 and a fourth outer skin portion 136, and the third outer skin portion 135 and the fourth outer skin portion 136 are respectively connected to the second outer skin portion 134 ... The second outer skin portion 134 is covered on the outer side of the main foam 11, the third outer skin portion 135 is covered on the outer side of the side foam 12, the fourth outer skin portion 136 is covered between the first inclined surface 111 and the second inclined surface 121 and is covered on the inner side of the side foam 12, the inner skin 133 is covered on the inner side of the main foam 11 and the side of the fourth outer skin portion 136 away from the side foam 12, and a second sacrificial layer 102 is provided on the side of the inner skin 133 away from the fourth outer skin portion 136, and the second sacrificial layer 102 is provided with a second machined mounting surface.

[0074] That is to say, in this embodiment, the outer skin is divided into two at the connection between the main foam 11 and the side foam 12, and the second outer skin portion 134 extending along the main foam 11 is split into a third outer skin portion 135 and a fourth outer skin portion 136. The third outer skin portion 135 and the fourth outer skin portion 136 are respectively used to cover the outer side and the inner side of the side foam 12, wherein the fourth outer skin portion 136 extends from between the first inclined surface 111 and the second inclined surface 121 to the inner side of the side foam 12. In addition, the inner skin 133 extends from the inner side of the main foam 11 to the side of the fourth outer skin portion 136 away from the side foam 12, thereby realizing the covering of the inner skin 133 and the outer skin, which can improve the reliability of fixing the side foam 12. In addition, a second sacrificial layer 102 is provided on the side of the inner skin 133 away from the fourth outer skin portion 136 for subsequent machining of the mounting surface to form a second machined mounting surface, thereby facilitating the setting of the mounting structure 14 on the skirt body 1 and ensuring the positional accuracy of the mounting structure 14.

[0075] It should be noted that the embodiment of the present invention does not limit the specific material of the skin 13. Exemplarily, the skin 13 is made of carbon fiber.

[0076] In addition, it should be noted that the embodiment of the present invention does not limit the overall shape of the skirt body 1, as long as the skirt body 1 can cover the side of the bogie. Figure 1 As shown, exemplarily, a bending portion 181 is provided at a preset position along the second direction of the skirt board body 1, and the bending portion 181 extends along the first direction. The skirt board body 1 includes a first skirt board portion 182 and a second skirt board portion 183 respectively located on both sides of the bending portion 181 along the second direction. The first skirt board portion 182 has an arc, and the second skirt board portion 183 is a straight portion. The skirt board body 1 has a uniform width along the second direction.

[0077] In other words, this embodiment utilizes the bend 181 to divide the skirt panel body 1 into two parts: a first skirt panel portion 182 and a second skirt panel portion 183. The first skirt panel portion 182 is curved, with an arc-shaped outer surface, which helps reduce wind resistance. The second skirt panel portion 183 is a straight portion. The bend 181 extends the second skirt panel portion 183 toward the bogie, thereby better wrapping the skirt panel body 1 around the bogie and preventing airflow from entering the bogie. Furthermore, the skirt panel body 1 has a uniform width along the second direction, meaning that the skirt panel body 1 is a uniform, uniform structure along the first direction, without any locally irregularly shaped structures, resulting in a simple structure.

[0078] In addition, if Figure 1 As shown, in some embodiments, a hook 17 is provided on the top of the skirt body 1 for connecting to the lower side rail of the vehicle body.

[0079] In addition to the above-mentioned bogie side cladding skirt device, an embodiment of the present invention also provides a bogie including the bogie side cladding skirt device disclosed in the above-mentioned embodiment, and the bogie also includes a bogie body. For the structures of other parts of the bogie body, please refer to the relevant technology and will not be repeated in this article.

[0080] The focus of this embodiment is that the bogie also includes a bogie side covering skirt device, which is arranged on both sides of the bogie body along its width direction, so that the above-mentioned bogie side covering skirt device is used to cover the side of the bogie body to reduce the resistance of the bogie. The bogie at least includes the beneficial effects of the above-mentioned bogie side covering skirt device, which will not be repeated here.

[0081] In addition to the above-mentioned bogie side cladding skirt device and bogie, the present invention also provides a rail vehicle including the bogie disclosed in the above-mentioned embodiment. For the structures of other parts of the rail vehicle, please refer to the relevant technology and will not be described in detail herein.

[0082] The focus of this embodiment is that the rail vehicle adopts the above-mentioned bogie, and the above-mentioned bogie includes the above-mentioned bogie side cladding skirt device, so that the rail vehicle at least includes the beneficial effects of the above-mentioned bogie side cladding skirt device, which will not be repeated here.

[0083] It should also be noted that, in this specification, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0084] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0085] The bogie side cladding skirt device, bogie, and rail vehicle provided by the present invention are described in detail above. The principles and implementation methods of the present invention are described herein using specific examples. The description of the above embodiments is intended only to facilitate understanding of the method and core concept of the present invention. It should be noted that, for those skilled in the art, various improvements and modifications may be made to the present invention without departing from the principles of the present invention, and such improvements and modifications also fall within the scope of protection of the present invention.

Claims

1. A bogie side cladding skirt device, characterized in that: It comprises a skirt board body (1), wherein the skirt board body (1) comprises: Main foam (11); Two side foams (12) are respectively arranged on both sides of the main foam (11) along a first direction; A skin (13) is coated on the outside of the main foam (11) and the side foam (12), so that the skirt body (1) forms an integrated structure; The skirt panel body (1) is provided with a mounting seat (2) at a position corresponding to the main foam (11), and the mounting seat (2) is used to connect to the body of a rail vehicle; the skirt panel body (1) is provided with a mounting structure (14) at a position corresponding to the side foam (12).

2. The bogie side cladding skirt device according to claim 1, characterized in that: The skirt body (1) is provided with: At least one inspection door (3) rotatably connected to the skirt body (1) so that the inspection door (3) can be opened or closed; a first reinforcing rib (15) provided on a side of the inspection door (3) along the first direction, and the first reinforcing rib (15) extending along a second direction and exceeding a preset distance from the top of the inspection door (3), the second direction being perpendicular to the first direction; A second reinforcing rib (16) is provided corresponding to the mounting seat (2) and extends along the second direction to an edge portion of the mounting seat (2).

3. The bogie side cladding skirt device according to claim 2, characterized in that: The skirt body (1) is provided with a locking beam (4) at a position corresponding to the top of the inspection door (3), and the locking beam (4) is provided with a door lock (41) to lock or release the inspection door (3); A buffer member (5) is provided on the side of the lock beam (4) facing the inspection door (3), and a metal member (6) is embedded in the buffer member (5). The metal member (6) includes a fixing portion (61) and a limiting portion (62). The fixing portion (61), the buffer member (5) and the lock beam (4) are fixed by a first fastener. The limiting portion (62) protrudes toward the side where the inspection door (3) is located. The buffer member (5) includes a first protruding portion (51) and a second protruding portion (52). The first protruding portion (51) is covered outside the limiting portion (62) and is used to stop and limit the extreme position of the inspection door (3). The second protruding portion (52) is used to fit tightly with the inspection door (3). The second protruding portion (52) is provided with a buffer cavity (521).

4. The bogie side cladding skirt device according to claim 2 or 3, characterized in that: The skirt board body (1) is provided with a mounting hole at a position corresponding to the mounting seat (2), a metal bushing (7) is embedded in the mounting hole, one end of the metal bushing (7) is provided with a wing plate (71) that fits and limits the position of one side of the skirt board body (1), the mounting seat (2) is provided on a side of the skirt board body (1) away from the wing plate (71), and the skirt board body (1), the metal bushing (7) and the mounting seat (2) are connected by a second fastener.

5. The bogie side cladding skirt device according to claim 4, characterized in that: The mounting seat (2) is connected to an adapter seat (8), and the adapter seat (8) is used to be connected to the vehicle body. The rigidity of the adapter seat (8) is greater than the rigidity of the mounting seat (2).

6. The bogie side cladding skirt device according to claim 5, characterized in that: The adapter (8) comprises: A first arm (81) and a second arm (82), each extending along the second direction; a connecting portion (83) connected between one end of the first arm (81) and the second arm (82), and used for connecting to the vehicle body; An end of the first arm (81) away from the connecting portion (83) is provided with a bent connecting portion (811) bent toward the second arm (82), and an end of the second arm (82) away from the connecting portion (83) is provided with a sinking groove (821), the bottom of the sinking groove (821) is in contact with the bent connecting portion (811) and is connected to the mounting seat (2).

7. The bogie side cladding skirt device according to claim 4, characterized in that: The main foam (11) is provided with an expansion hole having a diameter larger than that of the mounting hole at a position corresponding to the mounting hole, and a filling layer (9) is provided between the inner wall of the expansion hole and the inner wall of the mounting hole, and the thickness of the filling layer (9) is less than the thickness of the main foam (11). The position of the skin (13) corresponding to the filling layer (9) includes an inner skin portion (131) and a first outer skin portion (132), and the filling layer (9) is coated inside the inner skin portion (131) and the first outer skin portion (132), and a first sacrificial layer (101) is provided on a side of the inner skin portion (131) away from the filling layer (9), and the first sacrificial layer (101) is provided with a first machined mounting surface.

8. The bogie side cladding skirt device according to any one of claims 1 to 3, characterized in that: A first inclined surface (111) is provided on a side of the main foam (11) facing the side foam (12), and a second inclined surface (121) is provided on a side of the side foam (12) facing the main foam (11), wherein the first inclined surface (111) and the second inclined surface (121) are arranged in parallel. The skin (13) includes an outer skin and an inner skin (133), the outer skin includes a second outer skin portion (134), a third outer skin portion (135) and a fourth outer skin portion (136), the third outer skin portion (135) and the fourth outer skin portion (136) are respectively connected to the second outer skin portion (134), the second outer skin portion (134) is covered on the outside of the main foam (11), the third outer skin portion (135) is covered on the outside of the side foam (12), and the fourth outer skin portion (136) is covered on the outside of the side foam (12). The outer skin portion (136) is covered between the first inclined surface (111) and the second inclined surface (121) and is covered on the inner side of the side foam (12); the inner skin (133) is covered on the inner side of the main foam (11) and on the side of the fourth outer skin portion (136) away from the side foam (12); a second sacrificial layer (102) is provided on the side of the inner skin (133) away from the fourth outer skin portion (136); and the second sacrificial layer (102) is provided with a second machined mounting surface.

9. A bogie, characterized in that: It comprises a bogie body and the bogie side cladding skirt device according to any one of claims 1 to 8, wherein the bogie side cladding skirt device is arranged on both sides of the bogie body along the width direction thereof.

10. A rail vehicle, characterized in that: Including the bogie described in claim 9.

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