Couplers and rail vehicles

Abstract

The present invention relates to the technical field of rail vehicles, and more particularly to a coupler and rail vehicle. The coupler is installed between two adjacent vehicle bodies of a suspended vehicle and includes a buffer and a mounting seat. The buffer has a mounting seat at at least one end, and the mounting seat has a mounting surface suitable for connection to the end beam of the vehicle body. The mounting surface has a length along the vehicle body width of between 245mm and 255mm, and a length along the vehicle body height of between 55mm and 65mm. This reduces the space occupied by the coupler installation and limits the size of the mounting surface to meet roof installation requirements, thereby solving the problem of a small coupler mounting interface.

Description

Technical Field

[0001] The present invention relates to the technical field of rail vehicles, and in particular to a coupler and a rail vehicle. Background Art

[0002] During the research, development, and design of suspended monorail vehicles, due to their special vehicle format, the distance between vehicles is much smaller than that of conventional subway vehicles, resulting in severe restrictions on the length of the middle coupler. Unlike conventional subway vehicles where the coupler is installed on the chassis structure, the coupler of a suspended vehicle needs to be installed on the roof structure. The space limitations of the roof structure place stringent requirements on the structural dimensions of the coupler mounting seat. Summary of the Invention

[0003] The present invention provides a coupler and a rail vehicle to solve one of the defects in the prior art, reduce the space occupied by the coupler installation, limit the installation surface size to meet the roof installation requirements, and solve the problem of small size of the coupler installation interface.

[0004] The present invention provides a coupler, which is installed between two adjacent car bodies of a suspended vehicle, and includes a buffer and a mounting seat. The mounting seat is provided at at least one end of the buffer, and the mounting seat is provided with a mounting surface. The mounting surface is suitable for connection with the end beam of the car body, and the length of the mounting surface along the width direction of the car body is between 245mm and 255mm, and the length of the mounting surface along the height direction of the car body is between 55mm and 65mm.

[0005] According to a coupler provided by the present invention, the length of the mounting seat along the width direction of the vehicle body is between 245 mm and 255 mm, and the length of the mounting seat along the height direction of the vehicle body is between 55 mm and 65 mm.

[0006] According to a coupler provided by the present invention, the buffer includes a tension and compression assembly, an elastic member and a shell, the tension and compression assembly includes a rod body, a first shaft body, a second shaft body, a first pressure plate and a second pressure plate, the shaft diameter of the first shaft body is larger than the shaft diameter of the second shaft body, the first shaft body is coaxially connected to the second shaft body, the second shaft segment is connected to the second pressure plate, and a first mounting hole and a second mounting hole that are connected are provided in the rod body along its axial direction, the first shaft body is arranged in the first mounting hole, the first shaft body can move along the axial direction of the first mounting hole, the second shaft body is passed through the second mounting hole, the rod body abuts against the first pressure plate, and at least one of the rod body and the shell is connected to the end beam of the car body through the mounting seat, the elastic member, the first pressure plate and the second pressure plate are all arranged in the shell, and the elastic member is clamped between the first pressure plate and the second pressure plate.

[0007] According to a coupler provided by the present invention, the first pressure plate is provided with a first through hole, the second pressure plate is provided with a second through hole, the elastic member is provided with a third through hole along its extension and contraction direction, the second shaft passes through the first through hole, the third through hole and the second through hole in sequence, and the second through hole is fixedly connected to the end of the second shaft.

[0008] According to a coupler provided by the present invention, the outer shell includes a cylinder, a first end cover and a second end cover, the first end cover is arranged on one open end of the cylinder, and the second end cover is arranged on the other open end of the cylinder, the first pressure plate, the elastic member and the second pressure plate are arranged in sequence in the cylinder along the direction from the first end cover to the second end cover, the first end cover is provided with a fourth through hole, the rod body is passed through the fourth through hole and abuts against the first pressure plate, and the second end cover is connected to the end beam of the vehicle body through the mounting seat.

[0009] According to a coupler provided by the present invention, the coupler includes a first mounting seat and a second mounting seat, the rod body is connected to the end beam of one of the car bodies through the first mounting seat, and the shell is connected to the end beam of the other car body through the second mounting seat.

[0010] According to a vehicle coupler provided by the present invention, the mounting seat includes a base, a rotating shaft, a bearing and a pull ring, the pull ring includes a connecting portion and a fixed portion connected to each other, the connecting portion is provided with a connecting hole extending along the height direction of the vehicle body, the bearing is provided in the connecting hole, the base is rotatably connected to the bearing through the rotating shaft, the fixed portion is connected to the end of the buffer, the bearing is a spherical bearing, and the connecting hole is provided with a recess adapted to the spherical bearing.

[0011] The present invention also provides a rail vehicle, comprising a car body, an end beam and the coupler as described above, wherein the end beam is arranged on the top surface of the car body, the end beam is provided with a connecting surface, the length of the connecting surface extends along the width direction of the car body, the width of the connecting surface extends along the height direction of the car body, and the mounting surface is connected to the connecting surface via a connecting piece.

[0012] According to a rail vehicle provided by the present invention, the end beam is provided with a first inspection window and a second inspection window on the connecting surface, the first inspection window and the second inspection window are respectively located on both sides of the mounting seat, and the position of the first inspection window is higher than that of the second inspection window.

[0013] According to a rail vehicle provided by the present invention, a sealing member is provided at an edge where the mounting surface contacts the connection surface.

[0014] The coupler provided by the present invention is used to connect two adjacent vehicle bodies on a suspended vehicle. The coupler comprises a buffer and a mounting base, at least one of the two ends of the buffer being connected to its corresponding vehicle body via the mounting base. The coupler for a suspended vehicle must be mounted on the vehicle's roof structure. Due to the spatial limitations of the roof structure, the structural dimensions of the coupler's mounting base are stringent. The mounting base is provided with a mounting surface that connects to the end beam on the top of the vehicle body. The dimensions of the mounting surface are strictly controlled to meet the requirements for installing the coupler on the roof structure of the suspended vehicle.

[0015] The mounting surface is constructed on the vertical surface of the mounting seat, that is, the length direction of the mounting surface is the width direction of the vehicle body, and the width direction of the mounting surface is the height direction of the vehicle body. Therefore, in order to adapt to the size of the end beam, the length of the mounting surface is limited to between 245mm and 255mm, and the width of the mounting surface is limited to between 55mm and 65mm, so as to ensure that the mounting seat can be directly connected to the end beam through the mounting surface, without the need to add other additional mounting plates for widening the range, further simplifying the installation form of the coupler and the vehicle body, and at the same time reducing the space occupied by the coupler installation, limiting the size of the mounting surface to meet the roof installation requirements, and solving the problem of small size of the coupler installation interface. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 This is one of the structural diagrams of the coupler provided in an embodiment of the present invention;

[0018] Figure 2 This is a schematic structural diagram of the connection between a coupler and an end beam provided by an embodiment of the present invention;

[0019] Figure 3 This is the second structural diagram of the coupler provided by the embodiment of the present invention;

[0020] Figure 4 It is a schematic structural diagram of an end beam of a rail vehicle provided by an embodiment of the present invention.

[0021] Reference numerals:

[0022] 100, buffer; 110, tension and compression assembly; 111, rod; 1111, first mounting hole; 1112, second mounting hole; 112, first shaft; 113, second shaft; 114, first pressure plate; 1141, first through hole; 115, second pressure plate; 1151, second through hole; 120, elastic member; 121, third through hole; 130, housing; 131, cylinder; 132, first end cap; 1321, fourth through hole; 133, second end cap;

[0023] 200, mounting seat; 210, mounting surface; 220, first mounting seat; 230, second mounting seat; 240, base; 250, rotating shaft; 260, bearing; 270, pull ring; 271, adapter; 2711, connecting hole; 272, fixing portion;

[0024] 300. End beam; 310. Connecting surface; 320. Connecting piece; 330. First inspection window; 340. Second inspection window. DETAILED DESCRIPTION

[0025] To make the objectives, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0026] like Figure 1 and Figure 2 As shown, the coupler provided in an embodiment of the present invention is installed between two adjacent car bodies of a suspended vehicle, and includes a buffer 100 and a mounting seat 200. The mounting seat 200 is provided at at least one end of the buffer 100, and the mounting seat 200 is provided with a mounting surface 210. The mounting surface 210 is suitable for connection with the end beam 300 of the car body. The length of the mounting surface 210 along the width direction of the car body is between 245 mm and 255 mm, and the length of the mounting surface 210 along the height direction of the car body is between 55 mm and 65 mm.

[0027] The coupler of the present invention is used to connect two adjacent vehicle bodies on a suspended vehicle. The coupler comprises a buffer 100 and a mounting base 200. At least one of the two ends of the buffer 100 is connected to its corresponding vehicle body via the mounting base 200. The coupler of a suspended vehicle must be mounted on the vehicle's roof structure. Due to the spatial limitations of the roof structure, the structural dimensions of the coupler mounting base 200 are very demanding. The mounting base 200 is provided with a mounting surface 210, which connects to the end beam 300 on the top of the vehicle body. The strict control of the dimensions of the mounting surface 210 ensures that the coupler can be installed on the vehicle's roof structure.

[0028] The mounting surface 210 is constructed on the vertical surface of the mounting seat 200, that is, the length direction of the mounting surface 210 is the width direction of the vehicle body, and the width direction of the mounting surface 210 is the height direction of the vehicle body. Therefore, in order to adapt to the size of the end beam 300, the length of the mounting surface 210 is limited to between 245mm and 255mm, and the width of the mounting surface 210 is limited to between 55mm and 65mm, so as to ensure that the mounting seat 200 can be directly connected to the end beam 300 through the mounting surface 210, without the need to add other additional mounting plates for widening the range, further simplifying the installation form of the coupler and the vehicle body, and at the same time reducing the space occupied by the coupler installation, limiting the size of the mounting surface 210 to meet the roof installation requirements, and solving the problem of the small size of the coupler installation interface.

[0029] In this embodiment, the length of the mounting surface 210 is selected to be 250 mm, and the width is selected to be 60 mm.

[0030] According to one embodiment provided by the present invention, the length of the mounting base 200 along the width direction of the vehicle body is between 245mm and 255mm, and the length of the mounting base 200 along the height direction of the vehicle body is between 55mm and 65mm. In this embodiment, the mounting surface 210 is an integral end surface of the mounting base 200, the width direction of the mounting base 200 is the width direction of the vehicle body, and the height direction of the mounting base 200 is the height direction of the vehicle body. Therefore, the width range of the mounting base 200 is consistent with the length range of the mounting surface 210, and the height range of the mounting base 200 is consistent with the width range of the mounting surface 210. That is, the width and height of the mounting base 200 are limited to the range of the mounting surface 210, further reducing the height and width range of the mounting base 200, thereby controlling the volume of the mounting base 200.

[0031] According to the coupler strength index requirements, the present invention designs a minimum mounting seat 200 and mounting surface 210 with an installation size of 60×250 mm while meeting the coupler strength requirements, thereby meeting the small-size installation requirements required by the roof structure limitations.

[0032] like Figure 3As shown, according to an embodiment provided by the present invention, the buffer 100 includes a tension and compression assembly 110, an elastic member 120 and a housing 130, the tension and compression assembly 110 includes a rod body 111, a first shaft body 112, a second shaft body 113, a first pressure plate 114 and a second pressure plate 115, the axial diameter of the first shaft body 112 is larger than the axial diameter of the second shaft body 113, the first shaft body 112 is coaxially connected to the second shaft body 113, the second shaft segment is connected to the second pressure plate 115, and the rod body 111 is provided with a first mounting hole 1111 and a second mounting hole 1112 along its axial direction. Hole 1112, the first shaft body 112 is arranged in the first mounting hole 1111, the first shaft body 112 can move axially along the first mounting hole 1111, the second shaft body 113 is passed through the second mounting hole 1112, the rod body 111 is in contact with the first pressure plate 114, and at least one of the rod body 111 and the outer shell 130 is connected to the end beam 300 of the vehicle body through the mounting seat 200. The elastic member 120, the first pressure plate 114 and the second pressure plate 115 are all arranged in the outer shell 130, and the elastic member 120 is clamped between the first pressure plate 114 and the second pressure plate 115.

[0033] In this embodiment, the buffer 100 is composed of a tension and compression assembly 110, an elastic member 120 and a housing 130. The tension and compression assembly 110 is composed of a rod body 111, a first shaft body 112, a second shaft body 113, a first pressure plate 114 and a second pressure plate 115. The first mounting hole 1111 is connected to the second mounting hole 1112 to form a stepped hole that passes through the rod body 111 along its axial direction. The aperture of the first mounting hole 1111 is larger than the aperture of the second mounting hole 1112. The second shaft body 113 is coaxially connected to the first shaft body 112 to form a center The diameter of the first shaft body 112 is larger than the diameter of the second shaft body 113, and the diameter of the first shaft body 112 is larger than the second mounting hole 1112 and smaller than the first mounting hole 1111. After the second shaft body 113 passes through the first mounting hole 1111, it extends out of the rod body 111 from the second mounting hole 1112. The first shaft body 112 remains in the first mounting hole 1111, and the length of the first mounting hole 1111 along its axial direction is greater than the length of the first shaft body 112, so that the first shaft body 112 can move back and forth axially in the first mounting hole 1111.

[0034] The first end of the second shaft body 113 is connected to the first shaft body 112, and the second end of the second shaft body 113 is fixedly connected to the second pressure plate 115. The end surface of the rod body 111 penetrated by the second mounting hole 1112 abuts against the first pressure plate 114. The first pressure plate 114 and the second pressure plate 115 are arranged opposite to each other, and the elastic member 120 is pressed between the first pressure plate 114 and the second pressure plate 115. As the distance between the first pressure plate 114 and the second pressure plate 115 increases and decreases, the elastic member 120 itself extends and shortens accordingly.

[0035] That is, along the direction from the first shaft 112 to the second shaft 113, the first pressure plate 114, the elastic member 120, and the second pressure plate 115 are sequentially arranged within the housing 130. The second shaft 113 enters the housing 130 and connects to the second pressure plate 115. The first shaft 112 and the rod 111 are both located outside the housing 130. One of the two adjacent vehicle bodies is connected to the rod 111, and the other is connected to the housing 130. As the relative position of the two vehicle bodies changes, corresponding effects are exerted on the rod 111 and the housing 130.

[0036] In this embodiment, the two adjacent vehicle bodies are defined as the front and rear vehicle bodies, with a pull rod connecting the front vehicle body and a housing 130 connecting the rear vehicle body. When the vehicle bodies exert a tensile force on the coupler, the rod 111 moves away from the housing 130, thereby pulling the first shaft 112 toward the front vehicle body. The second shaft 113 moves synchronously with the first shaft 112, driving the second pressure plate 115 toward the front vehicle body. The second pressure plate 115 approaches the first pressure plate 114, reducing the distance between the first and second pressure plates 114, and compressing the elastic member 120. The elastic member 120 acts as an energy-absorbing element to absorb the impact energy generated during the tensile process.

[0037] When the vehicle body exerts a compressive effect on the coupler, during the compression process, the first shaft body 112 can remain stationary, and the rod body 111 moves toward the direction close to the outer shell 130, so that the first shaft body 112 moves relatively close to the front vehicle body in the first mounting hole 1111, and the rod body 111 pushes the first pressure plate 114, and the second pressure plate 115 moves toward the rear vehicle body. The distance between the first pressure plate 114 and the second pressure plate 115 is reduced, compressing the elastic member 120, and the elastic member 120 acts as an energy-absorbing element to absorb the impact energy generated during the compression process.

[0038] The present invention designs an integrated tension and compression elastic buffer 100 based on the vehicle's traction and braking forces, and taking into account the vehicle's weight and actual operating conditions. The buffer 100 can simultaneously meet the vehicle's buffering effect on tensile loads in the traction state, and can also meet the vehicle's buffering effect on compressive loads in the braking state, thereby ensuring the comfort of train operation to the greatest extent, perfectly realizing the energy absorption conversion of the coupler in the tension and compression process, and solving the size limitation of the coupler on the tension and compression bidirectional energy absorption structure.

[0039] During the development and design of suspended monorail vehicles, due to the special vehicle format, the distance between adjacent vehicle bodies is much smaller than that of conventional subway vehicles, resulting in a serious limitation on the length of the coupler. This embodiment, through the structural relationship between the rod body 111, the first shaft body 112, and the second shaft body 113, designs the rod body 111 and the first shaft body 112 to be relatively movable. This can reduce the movable space between the rod body 111 and the central axis during the tension and compression process, thereby reducing the overall length of the coupler, so that the coupler length meets the distance between vehicles limit, solves the problem of being unable to install conventional couplers due to the small distance between vehicles, and can also meet the problem of elastic energy absorption during train traction and braking.

[0040] According to an embodiment provided by the present invention, the first pressure plate 114 is provided with a first through hole 1141, the second pressure plate 115 is provided with a second through hole 1151, the elastic member 120 is provided with a third through hole 121 along its extension and contraction direction, the second shaft body 113 passes through the first through hole 1141, the third through hole 121 and the second through hole 1151 in sequence, and the second through hole 1151 is fixedly connected to the end of the second shaft body 113.

[0041] In this embodiment, the first through hole 1141 of the first pressure plate 114, the third through hole 121 of the elastic member 120 and the second through hole 1151 of the second pressure plate 115 are connected in sequence, and the second end of the second shaft body 113 first passes through the outer shell 130 and enters the interior of the outer shell 130, and passes through the first through hole 1141, the third through hole 121 and the second through hole 1151 in sequence inside the outer shell 130, and is connected and fixed to the second pressure plate 115 at the second through hole 1151, so that the first pressure plate 114, the elastic member 120 and the second pressure plate 115 are connected as one through the second shaft body 113.

[0042] The second end of the second shaft body 113 is integrally connected to the second pressure plate 115 and will not extend outside the second pressure plate 115, further reducing the length of the second shaft body 113 and eliminating the space occupied when the second end of the second shaft body 113 extends out of the second pressure plate 115 for fixation. As a result, the space between the first pressure plate 114 and the outer shell 130 for accommodating the second end of the second shaft body 113 can be reduced, thereby minimizing the length of the coupler.

[0043] According to one embodiment of the present invention, the coupler includes a first mounting seat 220 and a second mounting seat 230. The rod 111 is connected to the end beam 300 of one vehicle body via the first mounting seat 220, and the housing 130 is connected to the end beam 300 of the other vehicle body via the second mounting seat 230. In this embodiment, both ends of the buffer 100 are connected to the vehicle bodies via the mounting seats 200. Specifically, the rod 111 is connected to the end beam 300 of the front vehicle body via the first mounting seat 220, and the housing 130 is connected to the end beam 300 of the rear vehicle body via the second mounting seat 230.

[0044] In this embodiment, each mounting seat 200 is provided with 8 bolts on the mounting surface 210 to connect with the end beam 300 of the vehicle body. In other embodiments, only one of the rod body 111 and the housing 130 may be connected to the end beam 300 of the vehicle body through the mounting seat 200.

[0045] According to an embodiment provided by the present invention, the outer shell 130 includes a cylinder 131, a first end cover 132 and a second end cover 133. The first end cover 132 is provided on one open end of the cylinder 131, and the second end cover 133 is provided on the other open end of the cylinder 131. The first pressure plate 114, the elastic member 120 and the second pressure plate 115 are sequentially arranged in the cylinder 131 along the direction from the first end cover 132 to the second end cover 133. The first end cover 132 is provided with a fourth through hole 1321. The rod body 111 is passed through the fourth through hole 1321 and abuts against the first pressure plate 114. The second end cover 133 is connected to the end beam 300 of the vehicle body through the mounting seat 200.

[0046] In this embodiment, the outer shell 130 is composed of a cylinder 131, a first end cover 132 and a second end cover 133. Both ends of the cylinder 131 have openings, namely the first opening and the second opening. The first opening cover of the cylinder 131 is provided with a first end cover 132, and the second opening cover of the cylinder 131 is provided with a second end cover 133. The first end cover 132, the second end cover 133 and the cylinder 131 jointly enclose the internal space of the outer shell 130. The first pressure plate 114, the second pressure plate 115 and the elastic member 120 are arranged in the internal space of the outer shell 130. The first end cover 132 limits the first pressure plate 114, and the second end cover 133 limits the second pressure plate 115. When the coupler is neither compressed nor stretched, the first pressure plate 114 and the second pressure plate 115 respectively abut against the first end cover 132 and the second end cover 133. The first end cover 132 is provided with a fourth through hole 1321 , and the rod body 111 can enter the interior of the housing 130 through the fourth through hole 1321 and press against the surface of the first pressing plate 114 .

[0047] When the vehicle body exerts a tensile effect on the coupler, during the stretching process, the rod body 111 moves away from the outer shell 130, thereby pulling the first shaft body 112 toward the front vehicle body, and the second shaft body 113 moves synchronously with the first shaft body 112, driving the second pressure plate 115 to move toward the front vehicle body, and the first pressure plate 114 presses against the first end cover 132 and remains stationary, and the second pressure plate 115 approaches the first pressure plate 114, so that the distance between the first pressure plate 114 and the second pressure plate 115 is reduced, compressing the elastic member 120, and the elastic member 120 acts as an energy-absorbing element to absorb the impact energy generated during the stretching process.

[0048] When the vehicle body exerts a compressive effect on the coupler, during the compression process, the second pressure plate 115 presses against the second end cover 133 and remains stationary, thereby allowing the first shaft body 112 and the second shaft body 113 to remain stationary, and the rod body 111 moves toward the direction close to the outer shell 130, so that the first shaft body 112 moves relatively close to the front vehicle body in the first mounting hole 1111, and the rod body 111 pushes the first pressure plate 114, and the second pressure plate 115 moves toward the rear vehicle body, and the distance between the first pressure plate 114 and the second pressure plate 115 is reduced, compressing the elastic member 120, and the elastic member 120 acts as an energy-absorbing element to absorb the impact energy generated during the compression process.

[0049] In other embodiments, the housing 130 may also be an integral structure. In this embodiment, the housing 130 composed of the cylinder 131, the first end cover 132 and the second end cover 133 has a simple structure and is easy to assemble, which is conducive to disassembly and assembly during maintenance.

[0050] According to an embodiment provided by the present invention, the mounting base 200 includes a base 240, a rotating shaft 250, a bearing 260 and a pull ring 270. The pull ring 270 includes a connecting portion 271 and a fixing portion 272 connected to each other. The connecting portion 271 is provided with a connecting hole 2711 extending along the height direction of the vehicle body. The bearing 260 is provided in the connecting hole 2711. The base 240 is rotatably connected to the bearing 260 through the rotating shaft 250. The fixing portion 272 is connected to the end of the buffer 100. The bearing 260 is a spherical bearing 260. The connecting hole 2711 is provided with a recess adapted to the spherical bearing 260.

[0051] In this embodiment, the mounting base 200 is composed of a base 240, a rotating shaft 250, a bearing 260 and a pull ring 270. The base 240 is a U-shaped base 240, and the vertical surface of the U-shaped base 240 is the mounting surface 210 of the mounting base 200. The rotating shaft 250 is connected to the pull ring 270, and the adapter 271 of the pull ring 270 is inserted into the interior of the base 240 from the opening of the U-shaped base 240. The adapter 271 is provided with a connecting hole 2711 in the vertical direction. The connecting hole 2711 is a through hole that passes through the rotating shaft 250 along the height direction of the vehicle body. The spherical bearing 260 is arranged in the connecting hole 2711. A recess is provided in the connecting hole 2711 to adapt to the spherical surface of the spherical bearing 260. The rotating shaft 250 first passes through the base 240 and then is inserted into the bearing 260 in the connecting hole 2711 of the adapter 271 to rotatably connect the base 240 and the pull ring 270. The mounting base 200 connected to the tension and compression assembly 110 , the fixing portion 272 of the pull ring 270 is connected to the rod body 111 , and the mounting base 200 connected to the housing 130 , the fixing portion 272 of the pull ring 270 is connected to the second end cover 133 .

[0052] A fourth through hole 1321 is provided in the middle of the first end cover 132 , and a protrusion is provided at the edge of the first pressure plate 114 , which can press against the edge of the first end cover 132 , so that the first end cover 132 , the first pressure plate 114 and the rod body 111 do not affect each other.

[0053] When the suspended vehicle turns or climbs a slope, there is a certain angle requirement between the vehicle bodies. The spherical bearing 260 cooperates with the spherical depression of the connecting hole 2711, and can complete the horizontal and vertical angle rotation in the cooperation between the base 240 and the pull ring 270 when turning or climbing. Therefore, the size of the mounting seat 200 of the coupler of the present invention is optimized, which meets the strength requirement of the coupler, solves the problem of small installation size, and solves the angle requirement of the vehicle during turning and climbing.

[0054] The rail vehicle provided by the present invention is described below. The rail vehicle described below and the coupler described above can be referenced to each other.

[0055] An embodiment of the present invention also provides a rail vehicle, including a car body, an end beam 300 and a coupler as described above, wherein the end beam 300 is arranged on the top surface of the car body, and the end beam 300 is provided with a connecting surface 310, the length of the connecting surface 310 extends along the width direction of the car body, and the width of the connecting surface 310 extends along the height direction of the car body, and the mounting surface 210 is connected to the connecting surface 310 by a connecting member 320.

[0056] In the rail vehicle of the present invention, an end beam 300 is mounted on top of the vehicle body. Adjacent vehicle bodies are connected by a coupler connecting the two end beams 300. Specifically, the end beam 300 and the coupler mounting base 200 are integrated into one structure, serving as the mounting structure for the buffer 100. By comprehensively analyzing the requirements for coupler length, energy absorption capacity, and turning angle capability, the present invention abandons the conventional semi-permanent coupler used in pairs in subways and designs a permanent coupler that integrates the functions of connecting and transmitting longitudinal forces, buffering energy absorption, flexible turning angles, and grounding. This coupler is simple to install, easy to maintain, compact, lightweight, and highly reliable.

[0057] like Figure 2 and Figure 4 As shown, according to an embodiment provided by the present invention, the end beam 300 is provided with a first inspection window 330 and a second inspection window 340 on the connecting surface 310, and the first inspection window 330 and the second inspection window 340 are respectively located on both sides of the mounting seat 200, and the position of the first inspection window 330 is higher than the position of the second inspection window 340.

[0058] In this embodiment, the vertical surface of the end beam 300 is a connecting surface 310, and a threaded hole is provided on the connecting surface 310, which is suitable for being connected to the mounting surface 210 of the mounting seat 200 by bolts. A first inspection window 330 and a second inspection window 340 are also provided on the connecting surface 310. The first inspection window 330 and the second inspection window 340 are respectively located on both sides of the connection position of the mounting seat 200. The setting of the inspection window can facilitate the inspection and maintenance of the coupler after installation, and the first inspection window 330 and the second inspection window 340 are at different heights, which can ensure that there are inspection positions at different heights during maintenance.

[0059] According to one embodiment of the present invention, a sealing member is provided at the edge where the mounting surface 210 contacts the connecting surface 310. In this embodiment, after the mounting surface 210 of the coupler mounting base 200 and the connecting surface 310 of the vehicle body end beam 300 are connected via connectors 320 such as bolts, further sealing and protective measures are required. A sealing member, such as a sealant, is provided at the contact point between the edge of the mounting surface 210 and the connecting surface 310 to prevent corrosion at the contact point between the coupler and the vehicle body end beam 300, thereby addressing the sealing issue after the coupler and the end beam 300 are installed.

[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A coupler, characterized in that: It is installed between two adjacent car bodies of a suspended vehicle, and includes a buffer and a mounting seat. The mounting seat is provided at least one end of the buffer, and the mounting seat is provided with a mounting surface. The mounting surface is suitable for connecting with the end beam of the car body, and the length of the mounting surface along the width direction of the car body is between 245mm and 255mm, and the length of the mounting surface along the height direction of the car body is between 55mm and 65mm; the buffer includes a tension and compression component, an elastic member and a shell, the tension and compression component includes a rod body, a first shaft body, a second shaft body, a first pressure plate and a second pressure plate, the shaft diameter of the first shaft body is larger than the shaft diameter of the second shaft body, and the The first shaft body is coaxially connected to the second shaft body, the second shaft body is connected to the second pressure plate, and a first mounting hole and a second mounting hole that are connected are provided in the rod body along its axial direction. The first shaft body is arranged in the first mounting hole, and the first shaft body can move along the axial direction of the first mounting hole. The second shaft body is passed through the second mounting hole, and the rod body abuts against the first pressure plate. At least one of the rod body and the outer shell is connected to the end beam of the vehicle body through the mounting seat. The elastic member, the first pressure plate and the second pressure plate are all arranged in the outer shell, and the elastic member is clamped between the first pressure plate and the second pressure plate.

2. The coupler according to claim 1, characterized in that: The length of the mounting seat along the width direction of the vehicle body is between 245 mm and 255 mm, and the length of the mounting seat along the height direction of the vehicle body is between 55 mm and 65 mm.

3. The coupler according to claim 1, characterized in that The first pressure plate is provided with a first through hole, the second pressure plate is provided with a second through hole, the elastic member is provided with a third through hole along its extension and contraction direction, the second shaft passes through the first through hole, the third through hole and the second through hole in sequence, and the second through hole is fixedly connected to the end of the second shaft.

4. The coupler according to claim 1, characterized in that The outer shell includes a cylinder, a first end cover and a second end cover, the first end cover is arranged on one open end of the cylinder, and the second end cover is arranged on the other open end of the cylinder, the first pressure plate, the elastic member and the second pressure plate are arranged in the cylinder in sequence along the direction from the first end cover to the second end cover, the first end cover is provided with a fourth through hole, the rod body is passed through the fourth through hole and abuts against the first pressure plate, and the second end cover is connected to the end beam of the vehicle body through the mounting seat.

5. The coupler according to claim 1, characterized in that: The coupler includes a first mounting seat and a second mounting seat, the rod body is connected to the end beam of one of the vehicle bodies through the first mounting seat, and the shell is connected to the end beam of the other vehicle body through the second mounting seat.

6. The coupler according to any one of claims 1 to 5, characterized in that: The mounting seat includes a base, a rotating shaft, a bearing and a pull ring. The pull ring includes a connecting portion and a fixed portion connected to each other. The connecting portion is provided with a connecting hole extending along the height direction of the vehicle body. The bearing is provided in the connecting hole. The base is rotatably connected to the bearing through the rotating shaft. The fixed portion is connected to the end of the buffer. The bearing is a spherical bearing. The connecting hole is provided with a recess adapted to the spherical bearing.

7. A rail vehicle, characterized in that: It comprises a vehicle body, an end beam and a coupler as claimed in any one of claims 1 to 6, wherein the end beam is arranged on the top surface of the vehicle body, the end beam is provided with a connecting surface, the length of the connecting surface extends along the width direction of the vehicle body, the width of the connecting surface extends along the height direction of the vehicle body, and the mounting surface is connected to the connecting surface by a connecting piece.

8. The rail vehicle according to claim 7, characterized in that The end beam is provided with a first inspection window and a second inspection window on the connecting surface. The first inspection window and the second inspection window are respectively located on both sides of the mounting seat, and the position of the first inspection window is higher than that of the second inspection window.

9. The rail vehicle according to claim 7 or 8, characterized in that A sealing member is provided at the edge where the mounting surface contacts the connecting surface.

Images