CN220114621U - Bogie and rail vehicle - Google Patents
Bogie and rail vehicle Download PDFInfo
- Publication number
- CN220114621U CN220114621U CN202321335503.5U CN202321335503U CN220114621U CN 220114621 U CN220114621 U CN 220114621U CN 202321335503 U CN202321335503 U CN 202321335503U CN 220114621 U CN220114621 U CN 220114621U
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- bogie
- braking
- stop surface
- tread
- brake
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- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 238000010408 sweeping Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000003028 elevating effect Effects 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a bogie and a railway vehicle, wherein the bogie comprises a framework, and further comprises a disc-shaped braking device, a tread sweeping device and a magnetic track braking device, which are all arranged on the framework; the framework comprises two side beams and two main beams, and the main beams are fixedly connected between the two side beams; one magnetic track braking device is hung below each side beam; the tread cleaning devices are four and are all arranged on the framework; each tread cleaning device corresponds to one tread position of the wheel. By integrating the disc brake device, the tread cleaning device and the magnetic track brake device on the framework of the bogie, the railway vehicle can be provided with larger braking force and the braking distance can be shortened under the working condition of higher vehicle speed.
Description
Technical Field
The utility model relates to the technical field of rail transit equipment, in particular to a bogie and a rail vehicle.
Background
In practical application, railway lines with more small curves and frequent braking exist, and in order to improve safety, the railway vehicle is required to have larger braking force under the working condition of higher vehicle speed, but the excessive braking force may cause insufficient wheel track creeping force.
In view of this, it is a technical problem that a person skilled in the art needs to solve at present how to provide a bogie with a larger braking force and a shorter braking distance.
Disclosure of Invention
The utility model aims to provide a bogie and a railway vehicle, wherein a disc brake device, a tread sweeping device and a magnetic track brake device are integrated on a framework of the bogie, so that a large braking force can be provided for the railway vehicle and a braking distance can be shortened under a high vehicle speed working condition.
In order to solve the technical problems, the utility model provides a bogie, which comprises a framework, a disc-shaped braking device, a tread sweeping device and a magnetic track braking device, wherein the disc-shaped braking device, the tread sweeping device and the magnetic track braking device are all arranged on the framework;
the framework comprises two side beams and two main beams, and the main beams are fixedly connected between the two side beams; one magnetic track braking device is hung below each side beam;
the tread cleaning devices are four and are all arranged on the framework; each tread cleaning device corresponds to one tread position of the wheel.
By adopting the scheme, the disc brake device, the tread cleaning device and the magnetic track brake device are integrated on the framework, and the bogie has two types of braking force, wherein the disc brake device can provide adhesion braking force, during braking, the tread cleaning device can be used for improving the adhesion condition of the wheel track, improving the adhesion utilization rate of the wheel track, improving the adhesion braking force and simultaneously reducing the abrasion of the tread of the wheel, and the magnetic track brake device can provide non-adhesion braking force. In summary, under the high-speed braking condition of the vehicle, the combination of the disc-shaped braking device, the tread sweeping device and the magnetic track braking device can provide larger braking force, shorten the braking distance, realize quick braking and reduce the damage of the tread of the wheel.
The magnetic track braking device comprises a driving part and a braking part, wherein the driving part is used for driving the braking part to lift so as to enable the braking part to downwards move and generate friction braking force with a track or enable the braking part to upwards move away from the track.
The bogie comprises the driving part, wherein the driving part comprises two lifting mechanisms, the two lifting mechanisms are respectively arranged at two end parts of the side beams, and movable ends of the two lifting mechanisms are connected with the braking part.
The bogie as described above, the lifting mechanism comprises an air cylinder or a hydraulic cylinder.
In the bogie, the guiding structures are arranged between the two ends of the braking part and the framework along the length direction of the side beams and used for guiding the lifting of the braking part.
The bogie as described above, the guide structure includes a guide shaft and a guide hole, the guide shaft being vertically movable with respect to the guide hole; one of the guide shaft and the guide hole is arranged on the main beam, and the other is arranged on the braking part.
The bogie as described above, the magnetic track brake device further includes a stopper structure for restricting a position of the brake portion in the side beam length direction.
The bogie comprises a bogie body, wherein the bogie body comprises a bogie frame body and a steering wheel, and the steering wheel comprises a steering wheel body and a steering wheel, and the steering wheel body comprises a steering wheel body; the first stop surface and the second stop surface are both arranged on the framework, and the first limit surface and the second limit surface are both arranged on the braking part; along the length direction of the side beam, the first stop surface and the second stop surface are arranged in opposite directions, the first stop surface can abut against the first stop surface to stop, and the second stop surface can abut against the second stop surface to stop.
The steering frame is characterized in that the disc-shaped braking device is a shaft disc-shaped braking device, the shaft disc-shaped braking device comprises braking clamps, an auxiliary beam is fixedly connected to the outer side of each main beam, and a plurality of braking clamps are fixed on each auxiliary beam.
The utility model also provides a railway vehicle, which comprises a bogie and a wheel set arranged on the bogie, wherein the bogie is any one of the bogies.
Since the above-described bogie has the above-described technical effects, the railway vehicle including the bogie also has corresponding technical effects, and a discussion thereof will not be repeated here.
Drawings
FIG. 1 is a schematic top view of a steering frame according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of the frame of FIG. 1;
FIG. 3 is a schematic view of the disc brake, tread cleaning device and track brake of FIG. 1;
FIG. 4 is a schematic diagram illustrating a side view of a steering frame according to an embodiment of the present utility model;
FIG. 5 is a schematic view of the hidden frame of FIG. 4;
fig. 6 is a partial cross-sectional view taken along the direction A-A in fig. 1.
Reference numerals illustrate:
bogie 10, frame 11, side beams 111, hanging seat 1111, main beam 112, auxiliary beam 113, limit seat 114, guide portion 1141, stopper portion 1142, wear plate 115, disc brake device 12, brake caliper 121, tread cleaning device 13, track brake device 14, lifting mechanism 141, brake portion 142, guide shaft 143, limit portion 144;
wheel set 20, axle 21, wheel 22, brake disc 23.
Detailed Description
In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.
For ease of understanding and simplicity of description, the following description is provided in conjunction with a bogie and a rail vehicle, and the discussion of the advantageous portions will not be repeated.
Referring to fig. 1 to 6, fig. 1 is a schematic structural diagram of a steering frame in a top view according to an embodiment of the utility model; FIG. 2 is a schematic view of the structure of the frame of FIG. 1; FIG. 3 is a schematic view of the disc brake, tread cleaning device and track brake of FIG. 1; FIG. 4 is a schematic diagram illustrating a side view of a steering frame according to an embodiment of the present utility model; FIG. 5 is a schematic view of the hidden frame of FIG. 4; fig. 6 is a partial cross-sectional view taken along the direction A-A in fig. 1.
The railway vehicle includes a bogie 10 and a wheel set 20 mounted to the bogie 10, and the structure of the wheel set 20 or the outline of the wheels is shown in the relevant drawings for clarity of illustration of the positional relationship of the relevant structures.
In this embodiment, the bogie 10 comprises a frame 11; the frame 11 includes two side members 111 and two main cross members 112, the longitudinal direction of the side members 111 being parallel to the vehicle length direction, the longitudinal direction of the main cross members 112 being parallel to the vehicle width direction; the two main cross beams 112 are arranged at intervals along the vehicle length direction, and the main cross beams 112 are fixedly connected between the two side beams 111.
The frame 11 is provided with a pair of wheels 20 at both ends of the side members 111, each pair of wheels 20 including a wheel axle 21 and two wheels 22 mounted on the wheel axle 21, and it is understood that the length direction of the wheel axle 21 is parallel to the vehicle width direction, and the two wheels 22 of one wheel axle 21 are engaged with two parallel arranged rails, respectively.
The frame 10 further comprises a disc brake device 12, a tread cleaning device 13 and a track brake device 14, the disc brake device 12, the tread cleaning device 13 and the track brake device 14 being mounted on the frame 11.
A track brake device 14 is suspended below each side beam 111, and each track brake device 14 is matched with a track on the corresponding side to realize braking.
Four tread cleaning devices 13 are provided, and the mounting position of each tread cleaning device 13 on the frame 11 corresponds to the tread position of one wheel 22. The tread cleaning device 13 is used for removing foreign matters (such as rust, etc.) on the tread of the wheel 22, and is also used for rubbing against the tread to improve the track adhesion of the tread of the wheel 22.
With the above scheme, the disc brake device 12, the tread cleaning device 13 and the magnetic track brake device 14 are integrated on the frame 11, and the bogie 10 has two types of braking force, wherein the disc brake device 12 can provide adhesion braking force, during braking, the tread cleaning device 13 can be used for improving the adhesion condition of a wheel track, improving the adhesion utilization rate of the wheel track, improving the adhesion braking force and reducing the tread scratch of the wheel 22, the magnetic track brake device 14 can provide non-adhesion braking force, and in practical application, the braking force can be provided under the condition of high-speed braking of a vehicle, and the adhesion braking force provided by the disc brake device 12 is superposed to realize rapid braking. In summary, under the braking condition of a vehicle at a higher speed (for example, more than 120 km/h), the combination of the disc brake device 12, the tread sweeping device 13 and the magnetic track brake device 14 can provide a larger braking force, shorten the braking distance, realize quick braking and reduce tread damage of the wheels 22.
In a specific scheme, the tread cleaning device 13 comprises a cylinder barrel, a piston rod, pins, grinding blocks and other structures, when the tread cleaning device works, compressed air can enter the cylinder barrel through the connector, the piston rod is ejected out under the action of the compressed air, the grinding blocks at the end parts of the piston rod are pressed on the tread of the wheel 22, when the tread cleaning device is relieved, the compressed air is discharged, and the piston rod and the grinding blocks are reset under the action of the reset spring.
The tread cleaning device 13 can remove foreign matters on the tread of the wheel 22, improve the adhesion condition of the wheel rail, and repair damage to the tread of the wheel 22 to a certain extent.
The tread cleaning device 13 can improve the adhesion between the wheel rails, and is beneficial to increasing the braking force of the disc brake device 12 on the basis of meeting the wheel rail force.
When the tread cleaning device is specifically arranged, the side beams 111 of the framework 11 are provided with hanging seats 1111, two ends of each side beam 111 are provided with one hanging seat 1111, the tread cleaning device 13 can be arranged on the hanging seats 1111, and the hanging seats 1111 are formed by extending transversely inwards from the inner side (the side close to the center of the vehicle body) of the side beams 111 in combination with fig. 1 to 3.
In this embodiment, the track brake device 14 includes a driving portion and a brake portion 142, where the driving portion is used to drive the brake portion 142 up and down so that the brake portion 142 can move down to generate friction braking force with the track, or so that the brake portion 142 can move up away from the track.
In general, the braking portion 142 of the track brake device 14 includes a magnet, and when braking, the magnet approaches the rail by the driving portion, and a large friction force is generated by using an attractive force generated between the magnet and the rail, so that the braking of the track brake device 14 is a non-adhesive braking, and the braking force is not affected by the wheel-rail adhesion coefficient.
The specific structural composition and principles of the brake 142 are described in detail herein with reference to existing well-established track brake technology.
In this embodiment, the driving part of the track brake device 14 includes two lifting mechanisms 141, the two lifting mechanisms 141 are respectively mounted at two ends of the side beam 111, and the movable ends of the two lifting mechanisms 141 are connected with the brake parts 142, so that one brake part 142 is suspended on one side beam 111 by the two lifting mechanisms 141, which is beneficial to the mounting stability and reliability of the brake part 142.
In practical applications, the lifting mechanism 141 may be in the form of an air cylinder or a hydraulic cylinder, or may be other telescopic power components, such as a combination of a motor and a screw structure.
In particular, guide structures are provided between the two ends of the braking portion 142 and the frame 11 along the longitudinal direction of the side member 111, that is, the longitudinal direction of the vehicle, for guiding the lifting of the braking portion 142, so as to avoid the driving portion 142 from being deflected and not being able to be effectively engaged with the rail.
Specifically, the guide structure may include a guide shaft 143 and a guide hole, the guide shaft 143 being vertically movable with respect to the guide hole, one of the guide shaft 143 and the guide hole being provided to the main beam 112, and the other being provided to the braking portion 142. In the illustrated example, the guide shaft is provided to the stopper portion 142, and the guide hole is provided to the main beam 112.
The guide shaft 143 and the guide hole may be provided in two sets, respectively provided at both ends of the braking portion 142, to prevent the braking portion 142 from being deflected in the height direction when operated.
In particular, the track brake device 14 further includes a limiting structure for limiting the position of the brake portion 142 in the longitudinal direction of the side beam 111, that is, limiting the position of the brake portion 142 in the vehicle longitudinal direction, so as to ensure stability of the relative position between the track brake device 14 and the frame 11, and ensure reliability and stability of the braking force provided by the track brake device 14.
Specifically, the limiting structure includes a first stop surface and a second stop surface provided on the frame 11, and a first stop surface and a second stop surface provided on the braking portion 142, the first stop surface and the second stop surface are disposed opposite to each other along the length direction of the side beam 111, the first stop surface and the second stop surface are disposed opposite to each other, the first stop surface can abut against the first stop surface to limit, and the second stop surface can abut against the second stop surface to limit, that is, the stop directions of the first stop surface and the second stop surface facing the braking portion 142 are opposite, and the braking portion 142 can be displaced forward or backward along the vehicle length direction.
In practical implementation, in order to simplify the structure, the guide shaft 143 of the guide structure and the limit surface of the limit structure may be integrally disposed, so as to reasonably utilize the space on the frame 11.
As shown in fig. 6, specifically, a limiting seat 114 may be fixed at the lower end of the main beam 112 of the frame 11, where the limiting seat 114 has a guiding portion 1141 and a stopping portion 1142, where the guiding portion 1141 has a guiding hole for matching with the guiding shaft 143, the stopping portion 1142 has a stopping surface, the guiding shaft 143 is integrated with a limiting portion 144, and the limiting portion 144 has a limiting surface; the left end of the stopper 142 is shown in fig. 6, the stopper 1142 has a stopper surface facing the left wheel, and the stopper 144 has a stopper surface facing the right. Accordingly, the structure of the right end of the braking portion 142 is symmetrical to the structure of the left end shown in fig. 6, and will not be described.
In practical implementation, the guide portion 1141 may be independent from the limit seat 114, and then is fixedly connected with the limit seat 114 by a fastener such as a bolt, and the guide hole formed on the guide portion 1141 may be a tapered hole, and correspondingly, the guide shaft 143 has a tapered mating surface. Of course, other guiding structures besides those shown may be used.
In practice, a wear plate 115 may be provided between stop 144 and stop 1142. In the illustrated embodiment, wear plate 115 is mounted on stop 1142 to reduce wear between stop 1142 and stop 144.
In this embodiment, the disc brake device 12 is specifically a shaft disc brake device, and the shaft disc brake device includes brake clamps 121, an auxiliary beam 113 is fixedly connected to the outer side of each main beam 112, and a plurality of brake clamps 121 are fixed to each auxiliary beam 113. In the illustrated example, three brake calipers 121 are fixed to each secondary cross member 113. Correspondingly, three brake discs 23 are arranged on the wheel axle 21 of the wheel set 20 and are respectively matched with three brake clamps 121.
The bogie 10 and the railway vehicle provided by the embodiment can improve the total braking force and reduce the braking distance under the working condition of high-speed braking, and are beneficial to being applied in railway line environments with more small curves and short commutes.
The bogie and the railway vehicle provided by the utility model are described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. The bogie comprises a framework and is characterized by further comprising a disc brake device, a tread sweeping device and a magnetic track brake device, wherein the disc brake device, the tread sweeping device and the magnetic track brake device are all arranged on the framework;
the framework comprises two side beams and two main beams, and the main beams are fixedly connected between the two side beams; one magnetic track braking device is hung below each side beam;
the tread cleaning devices are four and are all arranged on the framework; each tread cleaning device corresponds to one tread position of the wheel.
2. A bogie as claimed in claim 1 in which the track brake comprises a drive portion and a brake portion, the drive portion being arranged to drive the brake portion up and down to cause friction braking force to be generated between the brake portion and the track or to cause the brake portion to be moved up and away from the track.
3. The bogie according to claim 2, wherein the driving section comprises two elevating mechanisms respectively mounted at both end portions of the side member, and movable ends of the elevating mechanisms are connected to the braking section.
4. A bogie as claimed in claim 3 in which the lifting mechanism comprises a pneumatic or hydraulic cylinder.
5. A bogie according to claim 3 wherein guide structures are provided between both ends of the braking portion and the frame along the length direction of the side members for guiding the lifting of the braking portion.
6. The bogie of claim 5, wherein the guide structure comprises a guide shaft and a guide hole, the guide shaft being vertically movable relative to the guide hole; one of the guide shaft and the guide hole is arranged on the main beam, and the other is arranged on the braking part.
7. The bogie of claim 2, wherein the magnetic track brake device further comprises a stopper structure for restricting a position of the brake portion in the side beam length direction.
8. The bogie of claim 7, wherein the stop feature comprises a first stop surface, a second stop surface, a first stop surface, and a second stop surface; the first stop surface and the second stop surface are both arranged on the framework, and the first limit surface and the second limit surface are both arranged on the braking part; along the length direction of the side beam, the first stop surface and the second stop surface are arranged in opposite directions, the first stop surface can abut against the first stop surface to stop, and the second stop surface can abut against the second stop surface to stop.
9. The bogie according to any one of claims 1 to 8 wherein the disc brake device is a disc brake device, the disc brake device comprises brake calipers, a secondary beam is fixedly connected to the outer side of each primary beam, and a plurality of brake calipers are fixed to each secondary beam.
10. Railway vehicle comprising a bogie and a wheel set mounted to said bogie, characterized in that said bogie is a bogie according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321335503.5U CN220114621U (en) | 2023-05-29 | 2023-05-29 | Bogie and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321335503.5U CN220114621U (en) | 2023-05-29 | 2023-05-29 | Bogie and rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220114621U true CN220114621U (en) | 2023-12-01 |
Family
ID=88887126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321335503.5U Active CN220114621U (en) | 2023-05-29 | 2023-05-29 | Bogie and rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220114621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119840677A (en) * | 2025-03-19 | 2025-04-18 | 湖南工程学院 | Monorail crane system with multiple deceleration functions |
-
2023
- 2023-05-29 CN CN202321335503.5U patent/CN220114621U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119840677A (en) * | 2025-03-19 | 2025-04-18 | 湖南工程学院 | Monorail crane system with multiple deceleration functions |
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