Axle box built-in permanent magnet direct drive bogie and railway vehicle

Abstract

The application discloses a kind of axle box built-in permanent magnet direct drive bogie, including side beam, crossbeam and permanent magnet motor, the side beam is provided with two, two The side beam is arranged in parallel;Two The crossbeam is arranged in parallel between two The side beam;The permanent magnet motor is arranged between two The side beam;The end of the side beam is provided with first mounting seat, and the first mounting seat is provided with motor elastic mounting seat;The permanent magnet motor is provided with end connecting plate and side connecting plate for connection, the end connecting plate is connected on the motor elastic mounting seat by first rubber joint, and the side connecting plate is connected on the crossbeam by second rubber joint.The axle box built-in permanent magnet direct drive bogie of the application realizes reliable connection to permanent magnet motor, reduces the influence of permanent magnet motor vibration on bogie.The application also discloses a kind of rail vehicle.

Description

Technical Field

[0001] This invention relates to the field of bogie technology, and in particular to a permatron box-integrated permanent magnet direct drive bogie and a rail vehicle. Background Technology

[0002] The bogie is the component of a rail vehicle responsible for supporting the car body and transmitting its weight; it is one of the key components of a rail vehicle. Bogies are classified into two types based on the installation location of the axle box suspension system: axle box-integrated bogies and axle box-outtegrated bogies. An axle box-integrated bogie has the axle box mounted inside the wheel, while an axle box-outtegrated bogie has the axle box mounted outside the wheel.

[0003] Currently, most bogies are external axle box bogies, lacking internal axle box permanent magnet direct drive metro bogies. Permanent magnet direct drive bogies reduce the traditional gearbox structure, but also increase the weight of the motor. For example, a traditional metro motor weighs 500-600 kg, while a permanent magnet direct drive metro motor weighs 800-900 kg. The heavy motor results in greater vibration, making motor installation on the bogie difficult. Summary of the Invention

[0004] In view of this, the present invention provides a bogie with an axle box built-in permanent magnet direct drive, which realizes a reliable connection to the permanent magnet motor and reduces the impact of the permanent magnet motor vibration on the bogie.

[0005] The present invention also provides a rail vehicle.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A type of axle box-integrated permanent magnet direct drive bogie, comprising:

[0008] There are two side beams, which are arranged in parallel.

[0009] There are two crossbeams, which are arranged in parallel between the two side beams;

[0010] A permanent magnet motor is disposed between the two side beams;

[0011] The end of the side beam is provided with a first mounting seat, and the first mounting seat is provided with a motor elastic mounting seat; the permanent magnet motor is provided with an end connecting plate and a side connecting plate for connection, the end connecting plate is connected to the motor elastic mounting seat through a first rubber joint, and the side connecting plate is connected to the crossbeam through a second rubber joint.

[0012] Optionally, a second mounting seat is provided on the outer side surface of the side beam;

[0013] The end face of the second mounting base away from the side beam is a connecting plane, and a first mounting hole is provided on the connecting plane. A boss is provided on the side of the second mounting base.

[0014] Optionally, a brake mounting seat for connecting the brake is provided on the outer side surface of the side beam;

[0015] The extension length of the second mounting base along the direction perpendicular to the outer side surface of the side beam is greater than the extension length of the brake mounting base along the aforementioned direction.

[0016] Optionally, the brake mounting base is provided with a first mounting plane and a second mounting plane arranged in parallel, the first mounting plane and the second mounting plane being arranged on different planes;

[0017] The first mounting plane and the second mounting plane are set as parallel mounting base surfaces.

[0018] Optionally, the first mounting base is further provided with a series of tapered rubber spring mounting bases, a series of vertical vibration damper mounting bases, a lifting base and an end equipment mounting base;

[0019] The lifting seat is disposed on the upper surface of the first mounting seat, the end device mounting seat is disposed on the end face of the first mounting seat away from the side beam, and the motor elastic mounting seat is disposed on the inner side of the first mounting seat.

[0020] Optionally, the bottom surface of the side beam is provided with an axle box tie rod seat and an anti-roll torsion bar mounting seat, and the inner side surface of the side beam is provided with a secondary lateral damper mounting seat and a lateral stop seat.

[0021] Optionally, the crossbeam includes a hollow crossbeam tube, the two ends of which are welded to the side beam;

[0022] A motor suspension seat is provided on the side of the crossbeam tube away from the other crossbeam, and a secondary vertical damper mounting seat and a traction seat are provided on the side of the crossbeam tube closer to the other crossbeam.

[0023] Optionally, the side beam includes an upper cover plate, a lower cover plate, an outer vertical plate, and an inner vertical plate. The upper cover plate, lower cover plate, outer vertical plate, and inner vertical plate are welded into a hollow beam structure, and the first mounting seat is welded to the end of the beam structure.

[0024] Optionally, the second mounting base is connected to the current receiver;

[0025] Alternatively, the second mounting base can be connected to an anti-snake vibration damper.

[0026] As can be seen from the above technical solution, the axle box-integrated permanent magnet direct drive bogie provided by the present invention forms a three-point elastic suspension structure for the permanent magnet motor by setting end connecting plates at the end of the permanent magnet motor to connect with the side beams on both sides respectively, setting the side connecting plates to connect with the crossbeam, and padding the connection position between the permanent magnet motor and the side beam with a first rubber joint and the connection position between the permanent magnet motor and the crossbeam with a second rubber joint. This achieves a reliable connection of the permanent magnet motor and effectively reduces the impact of the increased vibration caused by the increased mass of the permanent magnet motor on the frame.

[0027] The present invention also provides a rail vehicle including a bogie, wherein the bogie is the aforementioned axle box-integrated permanent magnet direct drive bogie, and therefore has the advantages of the aforementioned bogie, which will not be elaborated here. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 A schematic diagram of the connection structure between the axle box-integrated permanent magnet direct drive bogie, the permanent magnet motor, and the anti-snake vibration damper provided in an embodiment of the present invention;

[0030] Figure 2 This is a schematic diagram of the structure of the axle box-integrated permanent magnet direct drive bogie provided in an embodiment of the present invention;

[0031] Figure 3 This is a structural schematic diagram of a side beam at one angle provided in an embodiment of the present invention;

[0032] Figure 4 This is a structural schematic diagram of the side beam from another angle provided in an embodiment of the present invention;

[0033] Figure 5 This is a structural schematic diagram of the first mounting base at one angle provided in an embodiment of the present invention;

[0034] Figure 6 This is a structural schematic diagram of the first mounting base provided in an embodiment of the present invention from another angle;

[0035] Figure 7 This is a schematic diagram of the connection structure between the first mounting base and the permanent magnet motor provided in an embodiment of the present invention;

[0036] Figure 8 This is a schematic diagram of the structure of the second mounting base provided in an embodiment of the present invention;

[0037] Figure 9 This is a schematic diagram of the structure of the brake mounting base provided in an embodiment of the present invention;

[0038] Figure 10 This is a schematic diagram of the crossbeam structure provided in an embodiment of the present invention;

[0039] Figure 11 A schematic diagram of the connection structure between the axle box-integrated permanent magnet direct drive bogie and the permanent magnet motor provided in an embodiment of the present invention;

[0040] Figure 12 This is a schematic diagram of the structure of the transverse stop provided in an embodiment of the present invention.

[0041] in:

[0042] 1. Side beams

[0043] 101. Top cover plate; 102. First mounting seat; 1021. Primary series conical rubber spring mounting seat; 1022. Lifting seat; 1023. Primary series vertical vibration damper mounting seat; 1024. End equipment mounting seat; 1025. Motor elastic mounting seat; 103. Outer vertical plate; 104. Second mounting seat; 1041. First mounting hole; 1042. Boss; 1043. Connecting plane; 105. Axle box tie rod seat; 106. Lower cover plate; 107. Inner vertical plate; 108. Secondary series lateral vibration damper mounting seat; 109. Lateral stop seat; 1091. Support top plate; 1092. Connecting side plate; 110. Anti-roll torsion bar mounting seat.

[0044] 2. Permanent magnet motor,

[0045] 201. End connecting plate

[0046] 3. Crossbeam,

[0047] 301. Crossbeam tube; 302. Secondary vertical damper mounting bracket; 303. Traction bracket; 304. Motor suspension bracket.

[0048] 4. Anti-snake vibration damper,

[0049] 5. Brake mounting bracket,

[0050] 501, First mounting plane; 502, Second mounting plane.

[0051] 6. First rubber joint,

[0052] 7. Transition mounting bracket,

[0053] 8. Vehicle body mounting bracket. Detailed Implementation

[0054] This invention discloses an axle box-integrated permanent magnet direct drive bogie, which realizes a reliable connection to the permanent magnet motor and reduces the impact of the permanent magnet motor's vibration on the bogie.

[0055] The present invention also discloses a rail vehicle.

[0056] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0057] See Figures 1 to 11 The axle box-integrated permanent magnet direct drive bogie of the present invention includes side beams 1, crossbeams 3, and permanent magnet motors 2. Two side beams 1 are provided, arranged parallel to each other. Two crossbeams 3 are provided, arranged parallel to each other between the two side beams 1. The permanent magnet motor 2 is disposed between the two side beams 1. Each end of the side beam 1 is provided with a first mounting base 102, and the first mounting base 102 is provided with a motor elastic mounting base 1025 for connecting the permanent magnet motor 2. The permanent magnet motor 2 is provided with an end connecting plate 201 and a side connecting plate (not shown in the figure) for connection. The end connecting plate 201 is connected to the motor elastic mounting base 1025 via a first rubber joint 6, and the side connecting plate is connected to the crossbeam 3 via a second rubber joint.

[0058] The end connecting plate 201 is connected to the motor elastic mounting base 1025. Two first rubber joints 6 are provided, one on each of the upper and lower surfaces of the end connecting plate 201 at the connection point with the motor elastic mounting base 1025. Similarly, the upper and lower surfaces of the side connecting plate are connected to the crossbeam 3 via second rubber joints.

[0059] The axle box-integrated permanent magnet direct drive bogie of the present invention forms a three-point elastic suspension structure for the permanent magnet motor 2 by setting an end connecting plate 201 at the end of the permanent magnet motor 2 to connect with the side beams 1 on both sides respectively, setting the side connecting plate to connect with the crossbeam 3, and setting a first rubber joint 6 at the connection position between the permanent magnet motor 2 and the side beam 1, and a second rubber joint at the connection position between the permanent magnet motor 2 and the crossbeam 3. This achieves a reliable connection of the permanent magnet motor 2 and effectively reduces the impact of the increased vibration caused by the increased mass of the permanent magnet motor 2 on the frame.

[0060] To expand the versatility of the bogie, a second mounting seat 104 is provided on the outer side of the side beam 1. Here, the outer side of the side beam 1 refers to the side of the side beam 1 away from the crossbeam 3. The end face of the second mounting seat 104 away from the side beam 1 is a connecting plane 1043, on which a first mounting hole 1041 is provided. A boss 1042 is provided on the side of the second mounting seat 104. Currently, subway vehicles mainly have two power receiving methods: one is pantograph power receiving, which requires no additional equipment on the bogie; the other is current receiving via a third rail, which requires current collectors to be installed on both sides of the bogie. The axle box-integrated permanent magnet direct-drive bogie of this invention, by providing the second mounting seat 104 on the outer side of the side beam 1, facilitates the installation of current collectors. The current speed ratings for both Type A and Type B subway cars include 80km / h and 120km / h. The main difference in bogie requirements between these speed ratings lies in the varying traction and braking parameters. When the speed increases to 140km / h, an anti-hunting damper 4 needs to be added to the bogie. In this case, the anti-hunting damper 4 can be connected to a second mounting base 104 located on the outer side of the side beam 1. One end of the anti-hunting damper 4 is connected to the second mounting base 104 via a transition mounting base 7, and the other end is connected to the car body via a car body mounting base 8. Figure 1 As shown. The first mounting hole 1041 is connected to the transition mounting seat 7 via a connector. By providing a boss 1042 on the side of the second mounting seat 104, the bolts are prevented from being subjected to shear force when the current collector or anti-hunting damper 4 is installed on the second mounting seat 104, thus improving the structural reliability of the bogie. By installing the anti-hunting damper 4, the operating speed of the bogie can be increased, expanding the applicable range of the bogie, and extending the operating speed of the bogie from 80-120 km / h to 140 km / h. In one embodiment, the second mounting seat 104 is located in the middle of the side beam 1, as shown. Figure 3 As shown. Two second mounting bases 104 are provided, each second mounting base 104 having two first mounting holes 1041, as shown. Figure 8 As shown.

[0061] To facilitate brake installation, a brake mounting seat 5 for connecting the brake is provided on the outer side of the side beam 1. The extension length of the second mounting seat 104 in the direction perpendicular to the outer side of the side beam 1 is greater than the extension length of the brake mounting seat 5 in the aforementioned direction, thereby avoiding interference between the mounting components on the brake mounting seat 5 and the mounting components on the second mounting seat 104. Braking mainly involves the selection of brakes, including tread brakes, disc brakes, etc. In this embodiment, the brake mounting seat 5 can install both tread brakes and disc brakes.

[0062] Specifically, the brake mounting base 5 is provided with a first mounting plane 501 and a second mounting plane 502 arranged in parallel, such as... Figure 7As shown, the first mounting plane 501 and the second mounting plane 502 are located on different planes, meaning there is a height difference between them. The first mounting plane 501 is higher than the second mounting plane 502. By increasing the height of the second mounting plane 502, the height of its lower part relative to the lower cover plate 106 can be increased, thus increasing the gap between the brake and the lower cover plate 106. This allows for the simultaneous application of both tread brakes and disc brakes. Furthermore, it ensures the accessibility of the weld seams between the brake mounting base and the upper cover plate 101 and lower cover plate 106 of the side beam 1, guaranteeing weld quality. Both the first mounting plane 501 and the second mounting plane 502 are parallel to the mounting base surface. The brake mounting base 5 is a casting or forging. The first mounting plane 501 and the second mounting plane 502 are machined during the overall machining of the bogie to ensure the machining accuracy of the two mounting planes, thereby ensuring the installation accuracy of the brake. The brake mounting base 5 can install either a tread brake or a disc brake to meet the braking requirements of bogies at different speed levels.

[0063] Furthermore, the first mounting base 102 is also provided with a primary conical rubber spring mounting base 1021, a primary vertical damper mounting base 1023, a lifting base 1022, and an end equipment mounting base 1024. The lifting base 1022 is located on the upper surface of the first mounting base 102, facilitating the hoisting of the bogie. The end equipment mounting base 1024 is located on the end face of the first mounting base 102 away from the side beam 1, facilitating the installation of end equipment. The end equipment mounting base 1024 can be used to install signal antennas, obstacle detection devices, or sand-spreading devices, meeting the needs of different bogies. A motor elastic mounting base 1025 is located on the inner side of the first mounting base 102 for connecting the permanent magnet motor 2. The primary conical rubber spring mounting base 1021 is used to install a primary conical rubber spring. The primary vertical damper mounting base 1023 is used to install a primary vertical damper. The first mounting base 102 integrates a series of tapered rubber spring mounting bases 1021, a series of vertical vibration damper mounting bases 1023, a lifting base 1022, and an end equipment mounting base 1024 into one unit, becoming a multi-functional mounting base that saves layout space and makes the structure more compact.

[0064] In one embodiment, to improve the structural strength of the bogie while reducing its weight, the side beam 1 includes an upper cover plate 101, a lower cover plate 106, an outer vertical plate 103, and an inner vertical plate 107. The upper cover plate 101, lower cover plate 106, outer vertical plate 103, and inner vertical plate 107 are welded into a hollow beam structure, such as... Figure 3 and Figure 4 As shown, a first mounting base 102 is welded to the end of the beam structure. The first mounting base 102 is connected to the upper cover plate 101, the lower cover plate 106, the outer vertical plate 103, and the inner vertical plate 107 by butt welds, which ensures the strength of the structure.

[0065] The side beam 1 has an axle box tie rod seat 105 and an anti-roll torsion bar mounting seat 110 on its bottom surface, and a secondary lateral damper mounting seat 108 and a lateral stop seat 109 on its inner surface. The axle box tie rod seat 105 connects one end of the axle box tie rod, and the other end of the tie rod connects to the axle box. The anti-roll torsion bar mounting seat 110 connects one end of the anti-roll torsion bar, and the other end of the anti-roll torsion bar connects to the tension / compression rod. The secondary lateral damper mounting seat 108 is used to install the secondary lateral damper. The lateral stop seat 109 is used to install the lateral stop. The lateral stop seat 109 is an L-shaped plate, such as... Figure 12 As shown, the L-shaped plate includes a supporting top plate 1091 and a connecting side plate 1092 connected together. The connecting side plate 1092 is welded to the inner vertical plate 107. The supporting top plate 1091 and the extension structure at the corresponding positions of the upper cover plate 101 are correspondingly arranged. The supporting top plate 1091 and the extension structure are welded together to support the upper cover plate 101 of the side beam 1, so that the middle part of the upper cover plate 101 forms an area for overall lifting.

[0066] Furthermore, the crossbeam 3 includes a hollow crossbeam tube 301, such as... Figure 10 As shown, the crossbeam tube 301 is a hollow tube structure, with both ends welded to the side beams 1 on both sides. A motor suspension seat 304 is provided on the side of the crossbeam tube 301 away from the other crossbeam 3. The motor suspension seat 304 is used to connect the side connecting plate of the permanent magnet motor 2. A secondary vertical vibration damper mounting seat 302 and a traction seat 303 are provided on the side of the crossbeam tube 301 closer to the other crossbeam 3. The traction seat 303 is used to connect to the traction pin, and the secondary vertical vibration damper mounting seat 302 is used to install the secondary vertical vibration damper.

[0067] The axle box-integrated permanent magnet direct drive bogie of the present invention has two second mounting seats 104 on the outer side of each side beam 1. An anti-hunting damper 4 can be connected via a transition mounting seat 7. The anti-hunting damper 4 is connected to the car body via a car body mounting seat 8. By installing the anti-hunting damper 4, the operating speed of the bogie can be increased, expanding the applicable range of the bogie from 80-120 km / h to 140 km / h.

[0068] The present invention relates to an axle box-integrated permanent magnet direct drive bogie, which meets the requirements for axle box-integrated permanent magnet direct drive metro bogies and features a simple structure and strong versatility. The bogie is suitable for Type A and Type B metro systems, with an operating speed range of 80-120 km / h, and can be extended to 140 km / h.

[0069] The present invention also provides a rail vehicle, including a bogie, wherein the bogie is the aforementioned axle box-integrated permanent magnet direct drive bogie.

[0070] In the description of this solution, it should be understood that the terms "upper", "lower", "vertical", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this solution.

[0071] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this solution, "multiple" means two or more, unless otherwise explicitly specified.

[0072] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0073] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A type of axle box-integrated permanent magnet direct drive bogie, characterized in that, include: There are two side beams, which are arranged in parallel. There are two crossbeams, which are arranged in parallel between the two side beams; A permanent magnet motor is disposed between the two side beams; The end of the side beam is provided with a first mounting seat, and the first mounting seat is provided with a motor elastic mounting seat; the permanent magnet motor is provided with an end connecting plate and a side connecting plate for connection, the end connecting plate is connected to the motor elastic mounting seat through a first rubber joint, and the side connecting plate is connected to the crossbeam through a second rubber joint; A second mounting base is provided on the outer side surface of the side beam; The end face of the second mounting base away from the side beam is a connecting plane, and a first mounting hole is provided on the connecting plane. A boss is provided on the side of the second mounting base. A brake mounting seat for connecting the brake is provided on the outer side surface of the side beam; The extension length of the second mounting base along the direction perpendicular to the outer surface of the side beam is greater than the extension length of the brake mounting base along the aforementioned direction; The brake mounting base is provided with a first mounting plane and a second mounting plane arranged in parallel, and the first mounting plane and the second mounting plane are arranged on different planes. The first and second mounting planes are set as parallel mounting bases to meet the brake requirements of bogies of different speed levels.

2. The axle box-integrated permanent magnet direct drive bogie according to claim 1, characterized in that, The first mounting base is also provided with a series of tapered rubber spring mounting bases, a series of vertical vibration damper mounting bases, a lifting base and an end equipment mounting base; The lifting seat is disposed on the upper surface of the first mounting seat, the end device mounting seat is disposed on the end face of the first mounting seat away from the side beam, and the motor elastic mounting seat is disposed on the inner side of the first mounting seat.

3. The axle box-integrated permanent magnet direct drive bogie according to claim 1, characterized in that, The bottom surface of the side beam is provided with an axle box tie rod seat and an anti-roll torsion bar mounting seat, and the inner side surface of the side beam is provided with a secondary lateral damper mounting seat and a lateral stop seat.

4. The axle box-integrated permanent magnet direct drive bogie according to claim 1, characterized in that, The crossbeam includes a hollow crossbeam tube, and both ends of the crossbeam tube are welded to the side beam; A motor suspension seat is provided on the side of the crossbeam tube away from the other crossbeam, and a secondary vertical damper mounting seat and a traction seat are provided on the side of the crossbeam tube closer to the other crossbeam.

5. The axle box-integrated permanent magnet direct drive bogie according to any one of claims 1-4, characterized in that, The side beam includes an upper cover plate, a lower cover plate, an outer vertical plate, and an inner vertical plate. The upper cover plate, lower cover plate, outer vertical plate, and inner vertical plate are welded into a hollow beam structure, and the first mounting base is welded to the end of the beam structure.

6. The axle box-integrated permanent magnet direct drive bogie according to claim 1, characterized in that, The second mounting base is connected to the current receiver; Alternatively, the second mounting base can be connected to an anti-snake vibration damper.

7. A rail vehicle, comprising a bogie, characterized in that, The bogie is the axle box-integrated permanent magnet direct drive bogie as described in any one of claims 1-6.

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