CN114604283A - Bogie of railway vehicle and axle box device thereof - Google Patents
Bogie of railway vehicle and axle box device thereof Download PDFInfo
- Publication number
- CN114604283A CN114604283A CN202210354554.6A CN202210354554A CN114604283A CN 114604283 A CN114604283 A CN 114604283A CN 202210354554 A CN202210354554 A CN 202210354554A CN 114604283 A CN114604283 A CN 114604283A
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- China
- Prior art keywords
- axle box
- fixedly connected
- bogie
- spring
- box device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
- B61F5/301—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating metal springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
- B61F5/52—Bogie frames
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to the technical field of railway vehicles, in particular to a bogie of a railway vehicle and an axle box device thereof, which comprise a bearing beam, a front beam and a rear beam, wherein the axle center of the front beam is fixedly provided with a front axle box device, the interior of the front axle box device is rotatably connected with front wheels, one end of the rear beam is movably provided with a rear axle box device, and the inner side of the rear axle box device is rotatably connected with rear wheels; according to the invention, the bearing beam, the front beam, the rear beam, the upper spring seat, the lower spring seat, the first small spring seat, the second small spring seat, the first spring and the second spring are arranged, the front axle box device and the rear axle box device are respectively arranged on the front beam and the rear beam, the front beam and the rear beam are respectively and rotatably connected with two ends of the bearing beam, one ends of the front beam and the rear beam are arranged at the top and the bottom of the bearing beam through the second springs, and the first spring is arranged in the middle of the bearing beam through the spring seats, so that stress is dispersed to the whole bearing beam, and further, the phenomena of cracks and the like caused by local stress are prevented.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a bogie of a railway vehicle and an axle box device thereof.
Background
The various parameters of the bogie also directly determine the stability of the vehicle and the ride comfort of the vehicle. From the initial stage of building a country to the present, the passenger car bogie in China gradually goes to be advanced from the late stage, particularly in recent years, with the loading use of a new bogie and the application of various advanced technologies, the existing bogie and an axle box thereof are still in some problems when being hung and used.
When the bogie and the axle box device thereof are used, for a relatively urgent bend, the front wheel and the rear wheel have a certain distance, so that the wheel edges of the front wheel and the rear wheel can not be parallel to a rail and can be seriously abraded with the rail, the friction between the wheels and the rail can generate relatively large noise, and the axle box is hung at the two ends or the middle part of a side beam under general acting force, so that the side beam is locally stressed, cracks and the like easily occur to the side beam, and the driving safety is influenced.
Disclosure of Invention
The invention aims to provide a bogie of a railway vehicle and an axle box device thereof, which comprise a bearing beam, a front beam and a rear beam, wherein a front axle box device is fixedly arranged at the axle center of the front beam, front wheels are rotatably connected inside the front axle box device, a rear axle box device is movably arranged at one end of the rear beam, rear wheels are rotatably connected inside the rear axle box device, a first mounting plate and a second mounting plate are respectively and fixedly connected to the inner side of the bearing beam, a steering device is fixedly arranged at the top of the first mounting plate, a steering motor is fixedly arranged at the input end of the steering device, a toggle block is fixedly arranged at the output end of the steering device, a steering rod is arranged at the top of the toggle block, an upper spring seat is fixedly connected between the bottom of one end of the bearing beam and the bottom of one end of the rear beam, a lower spring seat is fixedly connected between the top of one end of the bearing beam and the top of one end of the front beam, and first small spring seats are fixedly connected to the top and the bottom of the bearing beam, the front beam and the rear beam are fixedly connected with a second small spring seat, a plurality of first springs are arranged between the upper spring seat and the lower spring seat, and a second spring is arranged between the first small spring seat and the second small spring seat.
Optionally, one end of the front beam is rotatably connected to one end of the bearing beam, and one end of the bearing beam is rotatably connected to the axis of the rear beam.
Optionally, the front beam is fixedly connected with a front mounting frame, a front driving device is fixedly mounted on one side of the front mounting frame, and a second driving motor is fixedly mounted on the other side of the front mounting frame.
Optionally, the rear mounting frame is fixedly connected to one end of the rear beam, a rear driving device is fixedly mounted on one side of the rear mounting frame, and a first driving motor is fixedly mounted on one side of the rear driving device.
Optionally, the output end of the front driving device is fixedly connected to the inner side of the front wheel, and the output end of the second driving motor is matched with the input end of the front driving device.
Optionally, the output end of the rear driving device is fixedly provided with a universal joint, one end of the universal joint is fixedly connected with one end of the rear wheel, and the output end of the first driving motor is matched with the input end of the rear driving device.
Optionally, the top of the first mounting plate and the top of the second mounting plate are fixedly provided with fixing frames, and the tops of the fixing frames are fixedly provided with elastic side bearings.
Optionally, one end of the toggle block is rotatably connected to the axis of the steering rod, and one end of the steering rod is movably mounted on one side of the rear axle box device.
Optionally, one end of the first spring is fixedly connected to the bottom of the upper spring seat, the other end of the first spring is fixedly connected to the top of the lower spring seat, and the first springs are arranged in a splayed shape.
Optionally, one end of the second spring is fixedly connected to one side of the first small spring seat, and the other end of the second spring is fixedly connected to one side of the second small spring seat.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the bearing beam, the front beam, the rear beam, the upper spring seat, the lower spring seat, the first small spring seat, the second small spring seat, the first spring and the second spring are arranged, the front axle box device and the rear axle box device are respectively arranged on the front beam and the rear beam, the front beam and the rear beam are respectively and rotatably connected with two ends of the bearing beam, one ends of the front beam and the rear beam are arranged at the top and the bottom of the bearing beam through the second springs, and the first spring is arranged in the middle of the bearing beam through the spring seats, so that stress is dispersed to the whole bearing beam, and further, the phenomena of cracks and the like caused by local stress are prevented.
2. According to the invention, the steering device, the steering motor, the toggle block and the steering rod are arranged, the rear axle box device is rotationally connected to one end of the rear beam, the steering device is driven by the steering motor, the rotating rod is toggled by the toggle block, so that the steering rod pushes the rear axle box device to rotate, the angle of the rear axle box device is slightly changed, and further the angle of the rear wheel is slightly changed, so that the wheel edges of the front wheel and the rear wheel can be kept parallel to the curved rail during turning, and further the abrasion between the wheel edges and the rail is reduced.
3. According to the invention, the first mounting plate, the second mounting plate, the front mounting frame and the rear mounting frame are respectively arranged on the front beam, the bearing beam and the rear beam, and the first springs are arranged in a splayed shape, so that the firmness and the stability of the whole structure are improved.
4. According to the invention, the steering device is driven by the steering motor through the steering, the rotating rod is toggled by the toggle block, so that the steering rod pushes the rear axle box device to rotate, the wheels are kept parallel to the track, and the phenomenon that the edges of the wheels slide and rub with the track to generate huge noise is prevented.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a bottom view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a bottom view of the mounting bracket of the present invention;
FIG. 5 is a partial assembled view of the load beam of the present invention;
FIG. 6 is a partial assembly view of the front beam of the present invention;
fig. 7 is a partial assembly view of the back beam of the present invention.
The reference numbers illustrate:
1. a spandrel girder; 101. a first mounting plate; 102. a second mounting plate; 2. a front beam; 201. a front mounting frame; 3. a rear beam; 301. a rear mounting frame; 4. a front wheel; 401. a front axle housing arrangement; 402. a front drive device; 5. a rear axle box arrangement; 6. a rear wheel; 601. a rear drive device; 602. universal connection; 7. a steering device; 701. a steering motor; 702. a shifting block; 703. a steering lever; 8. a fixed mount; 801. an elastic side bearing; 9. a drive motor; 901. a second drive motor; 10. an upper spring seat; 11. a lower spring seat; 12. a first spring; 13. a first small spring seat; 14. a second small spring seat; 15. a second spring.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2, 3, 4, 5, 6 and 7, the present invention provides a bogie for a railway vehicle and an axle box device thereof, including a load-bearing beam 1, a front beam 2 and a rear beam 3, wherein the axle center of the front beam 2 is fixedly installed with a front axle box device 401, the front axle box device 401 is rotatably connected with a front wheel 4, one end of the rear beam 3 is movably installed with a rear axle box device 5, the inner side of the rear axle box device 5 is rotatably connected with a rear wheel 6, the inner side of the load-bearing beam 1 is respectively and fixedly connected with a first mounting plate 101 and a second mounting plate 102, the top of the first mounting plate 101 is fixedly installed with a steering device 7, the input end of the steering device 7 is fixedly installed with a steering motor 701, the output end of the steering device 7 is fixedly installed with a toggle block 702, the top of the toggle block 702 is provided with a steering rod 703, the bottom of one end of the load-bearing beam 1 and the bottom of the rear beam 3 are fixedly connected with an upper spring seat 10, the top of one end of the load-bearing beam 1 and the top of the front beam 2 are fixedly connected with a lower spring seat 11, the top and the bottom of the bearing beam 1 are fixedly connected with a first small spring seat 13, one ends of the front beam 2 and the rear beam 3 are fixedly connected with a second small spring seat 14, a plurality of first springs 12 are arranged between the upper spring seat 10 and the lower spring seat 11, and a second spring 15 is arranged between the first small spring seat 13 and the second small spring seat 14; the load-bearing beam 1 is used for connecting and supporting weight, the front beam 2 and the rear beam 3 are arranged and used for fixing the front axle box device 401 and the rear axle box device 5, the front wheel 4 and the rear wheel 6 are respectively arranged when the front axle box device 401 and the rear axle box device 5 are arranged, the steering device 7 is arranged and used for steering wheels, the steering motor 701 is arranged and used for driving the steering device 7, the toggle block 702 is arranged and used for driving the toggle block 702 to rotate through the rotation of the output end of the steering device 7, so that one end of the toggle block 702 toggles the steering rod 703, the lower spring seat 11, the upper spring seat 10, the first small spring seat 13 and the second small spring seat 14 are arranged and used for installing the first spring 12 and the second spring 15, and the first spring 12 and the second spring 15 can be used for damping, wherein the front axle box device 401, the rear axle box device 5, the front beam 2, the rear beam 3 and the rear axle box device 5 can be used for damping, The rear beam 3, the upper spring seat 10, the lower spring seat 11, the first spring 12, the first small spring seat 13, the second small spring seat 14 and the second spring 15 jointly form an axle box suspension device for supporting and damping a vehicle.
Referring to fig. 1, one end of a front beam 2 is rotatably connected to one end of a bearing beam 1, and one end of the bearing beam 1 is rotatably connected to the axis of a rear beam 3; one end of the front beam 2 is rotatably arranged at one end of the bearing beam 1, one of the purposes is to fix the front beam 2 and then ensure that the front beam 2 can swing with one end of the bearing beam 1 to enable the bearing beam to have a certain buffering space, and the purpose of rotatably arranging one end of the bearing beam 1 at the axle center of the rear beam 3 is to fix the rear beam 3 and enable the rear beam 3 to move.
Referring to fig. 1, 3, 2 and 6, a front mounting frame 201 is fixedly connected to the inner side of the front beam 2, a front driving device 402 is fixedly installed on one side of the front mounting frame 201, a second driving motor 901 is fixedly installed on the other side of the front mounting frame 201, the output end of the front driving device 402 is fixedly connected to the inner side of the front wheel 4, and the output end of the second driving motor 901 is matched with the input end of the front driving device 402; the effect that sets up preceding mounting bracket 201 is for strengthening the stability of front beam 2 to preceding mounting bracket 201 can be used to install front drive 402, and the effect that sets up front drive 402 is that the drive rotates through front wheel 4, and front drive 402 passes through second driving motor 901, drives front drive 402 work earlier, then drives front wheel 4 and rotates.
Referring to fig. 1, 2, 3 and 7, one end of the back beam 3 is fixedly connected with a back mounting frame 301, one side of the back mounting frame 301 is fixedly provided with a back driving device 601, one side of the back driving device 601 is fixedly provided with a first driving motor 9, the output end of the back driving device 601 is fixedly provided with a universal joint 602, one end of the universal joint 602 is fixedly connected with one end of the back wheel 6, and the output end of the first driving motor 9 is matched with the input end of the back driving device 601; the rear mounting frame 301 is arranged to reinforce the stability of the rear beam 3, the rear driving device 601 is fixed by the rear mounting frame 301, the rear driving device 601 is arranged to drive the rear wheel 6 to rotate, the universal joint 602 arranged at the output end of the rear driving device 601 is used for transmitting the kinetic energy of the rear driving device 601 to the rear wheel 6, the first driving motor 9 is arranged to drive the rear driving device 601 to work, the rear driving device 601 drives the rear driving device 601 to work through the first driving motor 9, and then the universal joint 602 is used for driving the rear wheel 6 to rotate.
Referring to fig. 1, a fixing frame 8 is fixedly installed at the top of the first installation plate 101 and the second installation plate 102, and an elastic side bearing 801 is fixedly installed at the top of the fixing frame 8; the function of the mounting bracket 8 is to mount the elastic side bearing 801.
Referring to fig. 4, one end of the toggle block 702 is rotatably connected to the axis of the steering rod 703, and one end of the steering rod 703 is movably mounted on one side of the rear axle box device 5; after the toggle block 702 is driven by the steering device 7, one end of the toggle block 702 pushes the axle center of the steering rod 703, so that one end of the steering rod 703 pushes one side of the rear axle box device 5, so that the rear axle box device 5 changes the angle, and the rear wheel 6 can keep parallel to the rail.
Referring to fig. 3, one end of a first spring 12 is fixedly connected to the bottom of an upper spring seat 10, the other end of the first spring 12 is fixedly connected to the top of a lower spring seat 11, and the first springs 12 are arranged in a splayed shape; the first springs 12 are arranged in a splayed shape and are arranged between the upper spring seat 10 and the lower spring seat 11, so that the stability of the spring is improved, and the phenomenon of left-right shaking in a vertical state can be prevented.
Referring to fig. 3, one end of the second spring 15 is fixedly connected to one side of the first small spring seat 13, and the other end of the second spring 15 is fixedly connected to one side of the second small spring seat 14; the second springs 15 are distributed on the upper side and the lower side of the axle center of the bearing beam 1 through the first small spring seats 13 and the second small spring seats 14, so that the upper side and the lower side can be offset when damping is performed, and the bearing beam 1 is stressed more uniformly through a three-point connection mode.
The working process and principle of the invention are as follows: when the bogie is used, the bogie is arranged at the bottom of a carriage, the front wheels 4 and the rear wheels 6 are arranged between tracks, the bogie can slightly bump during driving, in the process, the front beam 2 utilizes the first spring 12 and the second spring 15 between the front beam 2 and the bearing beam 1 to absorb shock, the rear beam 3 utilizes the first spring 12 and the second spring 15 between the rear beam 3 and the bearing beam 1 to absorb shock, so that acting forces acting on the bearing beam 1 are respectively distributed at the front end, the rear end, the axle center of the bearing beam 1 and the positions between the axle center of the bearing beam 1 and the front end and the rear end, the acting forces are uniformly distributed on the beam body of the whole bearing beam 1, the bearing beam 1 is ensured to be uniformly stressed, the phenomena of cracks and the like caused by local point stress are prevented, when a vehicle reaches a turning position, and at the moment, the steering motor 701 drives the steering device 7 to work along with the turning of the vehicle, the steering device 7 toggles the steering rod 703 through the toggle block 702, so that the steering rod 703 pushes the rear axle box device 5, and the angle of the rear axle box device 5 is finely adjusted, so that the wheels are kept parallel to the rail, the abrasion between the edges of the wheels and the rail is reduced, and meanwhile, the noise generated by friction is reduced.
While the invention has been described in further detail in connection with specific embodiments thereof, it will be understood that the invention is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, which should be considered to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a rail vehicle's bogie and axle box device thereof, includes spandrel girder (1), front-axle beam (2) and back-axle beam (3), its characterized in that: the front axle box device (401) is fixedly mounted at the axle center of the front beam (2), front wheels (4) are rotatably connected inside the front axle box device (401), a rear axle box device (5) is movably mounted at one end of the rear beam (3), rear wheels (6) are rotatably connected on the inner side of the rear axle box device (5), a first mounting plate (101) and a second mounting plate (102) are fixedly connected on the inner side of the bearing beam (1) respectively, a steering device (7) is fixedly mounted at the top of the first mounting plate (101), a steering motor (701) is fixedly mounted at the input end of the steering device (7), a toggle block (702) is fixedly mounted at the output end of the steering device (7), a steering rod (703) is arranged at the top of the toggle block (702), and an upper spring seat (10) is fixedly connected at the bottom of one end of the bearing beam (1) and the bottom of one end of the rear beam (3), spring holder (11) under spandrel girder (1) one end top and front beam (2) one end top fixedly connected with, spandrel girder (1) top and the equal fixedly connected with first little spring holder (13) in bottom, front beam (2) and the equal fixedly connected with second little spring holder (14) in back beam (3) one end, go up spring holder (10) and be provided with a plurality of first springs (12) down between spring holder (11), be provided with second spring (15) between first little spring holder (13) and the little spring holder of second (14).
2. The bogie for railway vehicle and the axle box assembly thereof according to claim 1, wherein: one end of the front beam (2) is rotatably connected to one end of the bearing beam (1), and one end of the bearing beam (1) is rotatably connected to the axis of the rear beam (3).
3. The bogie for railway vehicle and the axle box assembly thereof according to claim 1, wherein: the inner side of the front beam (2) is fixedly connected with a front mounting frame (201), a front driving device (402) is fixedly mounted on one side of the front mounting frame (201), and a second driving motor (901) is fixedly mounted on the other side of the front mounting frame (201).
4. The bogie for railway vehicle and the axle box assembly thereof according to claim 1, wherein: rear beam (3) one end fixedly connected with back mounting bracket (301), back mounting bracket (301) one side fixed mounting has back drive arrangement (601), back drive arrangement (601) one side fixed mounting has first driving motor (9).
5. A bogie for railway vehicles and an axle box assembly therefor according to claim 3, wherein: the output end of the front driving device (402) is fixedly connected to the inner side of the front wheel (4), and the output end of the second driving motor (901) is matched with the input end of the front driving device (402).
6. The bogie for railway vehicles and the axle box assembly thereof according to claim 4, wherein: the rear driving device (601) is characterized in that a universal joint (602) is fixedly mounted at the output end of the rear driving device (601), one end of the universal joint (602) is fixedly connected to one end of the rear wheel (6), and the output end of the first driving motor (9) is matched with the input end of the rear driving device (601).
7. The bogie for railway vehicle and the axle box assembly thereof according to claim 1, wherein: the top parts of the first mounting plate (101) and the second mounting plate (102) are fixedly provided with a fixing frame (8), and the top part of the fixing frame (8) is fixedly provided with an elastic side bearing (801).
8. The bogie for railway vehicle and the axle box assembly thereof according to claim 1, wherein: one end of the toggle block (702) is rotatably connected to the axle center of the steering rod (703), and one end of the steering rod (703) is movably arranged on one side of the rear axle box device (5).
9. The bogie for railway vehicle and the axle box assembly thereof according to claim 1, wherein: one end of the first spring (12) is fixedly connected to the bottom of the upper spring seat (10), the other end of the first spring (12) is fixedly connected to the top of the lower spring seat (11), and the first springs (12) are arranged in a splayed shape.
10. The bogie for railway vehicle and the axle box assembly thereof according to claim 1, wherein: one end of the second spring (15) is fixedly connected to one side of the first small spring seat (13), and the other end of the second spring (15) is fixedly connected to one side of the second small spring seat (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210354554.6A CN114604283A (en) | 2022-04-06 | 2022-04-06 | Bogie of railway vehicle and axle box device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210354554.6A CN114604283A (en) | 2022-04-06 | 2022-04-06 | Bogie of railway vehicle and axle box device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114604283A true CN114604283A (en) | 2022-06-10 |
Family
ID=81866131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210354554.6A Withdrawn CN114604283A (en) | 2022-04-06 | 2022-04-06 | Bogie of railway vehicle and axle box device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114604283A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117622233A (en) * | 2023-12-01 | 2024-03-01 | 广东京兰空铁发展有限公司 | Bogie system and suspension type monorail vehicle |
-
2022
- 2022-04-06 CN CN202210354554.6A patent/CN114604283A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117622233A (en) * | 2023-12-01 | 2024-03-01 | 广东京兰空铁发展有限公司 | Bogie system and suspension type monorail vehicle |
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Application publication date: 20220610 |
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| WW01 | Invention patent application withdrawn after publication |