CN215204895U - Wind resistance braking device of high-speed train and train body of motor train unit - Google Patents
Wind resistance braking device of high-speed train and train body of motor train unit Download PDFInfo
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- CN215204895U CN215204895U CN202121040982.9U CN202121040982U CN215204895U CN 215204895 U CN215204895 U CN 215204895U CN 202121040982 U CN202121040982 U CN 202121040982U CN 215204895 U CN215204895 U CN 215204895U
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Abstract
The utility model provides a wind resistance braking device of a high-speed train, which comprises a base, a wind resistance plate, a straight rack and a telescopic driving piece; the wind resistance plate is rotatably connected with the base along the width direction of the vehicle body, has a closed state of being turned over to be flush with the outer top wall of the vehicle body, and also has an open state of being turned over to be outside the vehicle body; the wind resistance plate is provided with a tooth-shaped structure which is distributed in an arc or circumference by taking a rotating shaft of the wind resistance plate as a center; the straight rack is connected to the base in a sliding mode along the length direction of the vehicle body and meshed with the tooth-shaped structure, a limiting part is arranged on the straight rack and used for limiting the sliding limit position of the straight rack and further limiting the overturning angle of the wind resistance plate; the telescopic driving piece is fixedly connected to the base, and the output end of the telescopic driving piece is connected with the straight rack. The utility model provides a high-speed train windage arresting gear, simple structure is compact, occupation space is little, the action response is fast. The utility model also provides a EMUs automobile body that has adopted above-mentioned high-speed train windage arresting gear.
Description
Technical Field
The utility model belongs to the technical field of the high-speed train braking, concretely relates to high-speed train windage arresting gear and EMUs automobile body.
Background
The method is characterized in that the wind resistance baffle is opened outwards from the surface of the train body of the streamline train, so that the air resistance borne by the train is increased, the braking force for decelerating the train is formed, and the higher the train speed is, the larger the wind resistance braking force is, so that the braking system for assisting the high-speed train to brake through the wind resistance has extremely high application prospect.
At present, a wind resistance braking system is already applied to some high-speed trains, but because the currently adopted wind resistance braking system has a series of problems of complex structure, large occupied space inside a train body, low action response speed and the like, the wind resistance braking system needs to be further improved to meet the application requirement of the current high-speed trains.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a high-speed train windage arresting gear and EMUs automobile body aims at solving current windage braking structure complicacy, occupy the automobile body inner space big, the slow scheduling problem of action response.
In order to achieve the above object, the utility model adopts the following technical scheme: in a first aspect, a wind resistance braking device for a high-speed train is provided, which is used for being fixedly installed in a containing cavity of a downward sunken top wall outside a train body, and comprises:
the base is fixedly connected in the accommodating cavity;
the wind resistance plate is rotatably connected with the base along the width direction of the vehicle body, has a closed state of being turned over to be flush with the outer top wall of the vehicle body, and also has an open state of being turned over to form an included angle with the outer top wall of the vehicle body; the wind resistance plate is provided with a tooth-shaped structure which is distributed in an arc or circumference by taking a rotating shaft of the wind resistance plate as a center;
the straight rack is connected to the base in a sliding mode along the length direction of the vehicle body and is meshed with the tooth-shaped structure, a limiting part is arranged on the straight rack or the tooth-shaped structure and used for limiting the sliding limit position of the straight rack and further limiting the overturning angle of the wind resistance plate;
the telescopic driving piece is fixedly connected to the base, and the output end of the telescopic driving piece is connected with the straight rack.
With reference to the first aspect, in one possible implementation manner, two stopping supports are arranged on the base at intervals along the length direction of the vehicle body, and the spur rack sequentially penetrates through the two stopping supports and is respectively in sliding connection with the two stopping supports; the limiting part is a convex block which is protruded from the side wall of the spur rack and is positioned between the two stop supports; when the wind resistance plate is in the closed state, the convex block is abutted to one of the stop supports, and when the wind resistance plate is in the open state, the convex block is abutted to the other stop support.
In some embodiments, the base is provided with a limit plate, and the spur rack penetrates through the limit plate and is connected with the limit plate in a sliding manner; the limiting parts are two limiting blocks which are respectively positioned at two sides of the limiting plate and are protruded out of the side wall of the straight rack; when the wind resistance plate is in the closed state, one limiting block is abutted to the limiting plate, and when the wind resistance plate is in the open state, the other limiting block is abutted to the limiting plate.
Exemplarily, the limiting part is two stoppers which are distributed on the tooth surface of the spur rack along the axial direction of the spur rack at intervals, when the wind resistance plate is in a closed state, one stopper is abutted against the tooth surface of the tooth-shaped structure, and when the wind resistance plate is in an open state, the other stopper is abutted against the tooth surface of the tooth-shaped structure.
For example, the limiting portion is two dead blocking irons which are distributed on the tooth surface of the tooth-shaped structure at intervals along the circumferential direction of the tooth-shaped structure, when the wind resistance plate is in a closed state, one of the dead blocking irons is abutted to the tooth surface of the straight rack, and when the wind resistance plate is in an open state, the other dead blocking iron is abutted to the tooth surface of the straight rack.
With reference to the first aspect, in a possible implementation manner, the driven member is sleeved on the rotating shaft of the wind resistance plate, the driven member and the surface of the wind resistance plate have at least two abutting points, the two abutting points are distributed at intervals along the radial direction of the rotating shaft, and the tooth-shaped structure is arranged on the driven member.
In some embodiments, the driven member is crescent-shaped, and two ends of the driven member are respectively abutted to the plate surface of the wind resistance plate.
Illustratively, the tooth-shaped structure is an arc-shaped rack fixedly connected to the side wall of the driven member.
In combination with the first aspect, in a possible implementation manner, the telescopic driving member is a cylinder, the cylinder is used for connecting an air source in the vehicle body, and a vent pipeline of the cylinder is provided with an electromagnetic valve which is used for connecting an electric control system of the vehicle body.
The utility model provides a high-speed train windage arresting gear's beneficial effect lies in: compared with the prior art, the utility model discloses high-speed train windage arresting gear, when the automobile body that traveles at a high speed needs to brake, drive the spur rack through flexible driving piece and slide, thereby make spur rack drive profile of tooth structure rotate, and then drive the turning of wind-resistance board towards the automobile body outside, when the wind-resistance board slightly overturns certain angle, can open rapidly under the wind-force blowing, and through spacing the limit position that slides with the spur rack, thereby realize opening fast of wind-resistance board, because the automobile body high-speed operation in-process wind speed is high, therefore it is fast to utilize wind-force and flexible driving piece cooperation to drive the action response speed that the wind-resistance board overturns and opens; after the braking is accomplished, rethread telescopic driving piece drives spur rack reverse slip to another extreme position to drive the reverse rotation of tooth profile mechanism, and then drive the windage board and overturn to the closed condition, overall structure is simple compact, only needs set up the holding chamber of undercut on the automobile body roof can guarantee when the closed condition with automobile body outer wall parallel and level, consequently it is less to occupy the automobile body inner space, can adapt to high-speed train's application demand.
In a second aspect, the embodiment of the utility model provides a still provide a EMUs automobile body, including above-mentioned high-speed train windage arresting gear. The utility model provides a EMUs automobile body has adopted above-mentioned high-speed train windage arresting gear, consequently has the same beneficial effect with above-mentioned high-speed train windage arresting gear, no longer gives unnecessary details here.
Drawings
Fig. 1 is a schematic perspective view of a wind resistance braking device of a high-speed train according to an embodiment of the present invention;
FIG. 2 is a schematic view of a portion A of FIG. 1;
fig. 3 is a schematic structural view of a closed state of a wind resistance braking device of a high-speed train according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the high-speed train wind resistance braking device provided by the embodiment of the invention when being opened under the action of wind force;
fig. 5 is a structural schematic view of an open state of a wind resistance braking device of a high-speed train according to an embodiment of the present invention;
fig. 6 is a first schematic structural view of a limiting portion adopted in the embodiment of the present invention;
fig. 7 is a second schematic structural view of a limiting portion adopted in the embodiment of the present invention;
fig. 8 is a third schematic structural view of the limiting portion according to the embodiment of the present invention.
In the figure: 10. a base; 11. a stop support; 12. a limiting plate; 20. a wind resistance plate; 201. a rotating shaft; 21. a tooth-shaped structure; 22. a driven member; 221. abutting the contact point; 30. straight rack; 31. a bump; 32. a limiting block; 33. a stopper; 34. a stop iron is stopped; 40. a telescopic driving member; 50. a vehicle body; 501. an accommodating cavity.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, a high-speed train wind resistance braking device according to the present invention will now be described. The high-speed train wind resistance braking device is fixedly arranged in a downward-sunken accommodating cavity 501 of the outer top wall of a train body 50, and comprises a base 10, a wind resistance plate 20, a spur rack 30 and a telescopic driving piece 40; wherein, the base 10 is fixedly connected in the accommodating cavity 501; the wind resistance plate 20 is rotatably connected with the base 10 along the width direction of the vehicle body 50, has a closed state of being turned over to be flush with the outer top wall of the vehicle body 50, and has an open state of being turned over to form an included angle with the outer top wall of the vehicle body 50; the wind resistance plate 20 is provided with a tooth-shaped structure 21 which is distributed in an arc or circumference by taking the rotating shaft 201 of the wind resistance plate 20 as the center; the straight rack 30 is connected to the base 10 in a sliding manner along the length direction of the vehicle body 50 and is meshed with the tooth-shaped structure 21, and a limiting part is arranged on the straight rack 30 or the tooth-shaped structure 21 and used for limiting the sliding limit position of the straight rack 30 and further limiting the overturning angle of the wind resistance plate 20; the telescopic driving member 40 is fixedly connected to the base 10, and the output end is connected to the spur rack 30.
It should be noted that the base 10 mainly functions to be connected to the vehicle body 50 (the accommodating cavity 501), and in order to reduce the overall occupied space of the device, the base 10 may be made of a plate material with strength meeting the requirement; the tooth-shaped structure 21 is meshed with the spur rack 30, at the beginning of opening the wind resistance plate 20 (when the included angle between the wind resistance plate 20 and the top wall of the car body 50 is 0-5 degrees, see fig. 3 and 4), the telescopic driving member 40 drives the spur rack 30 to slide, and further drives the tooth-shaped structure 21 to rotate, when the wind resistance plate 20 is turned over to the included angle between the wind resistance plate 20 and the top wall of the car body 50 is more than 5 degrees, the wind force borne by the wind resistance plate 20 exceeds the driving force of the telescopic driving member 40, so that the wind resistance plate 20 is rapidly opened under the action of the wind force (preferably, the maximum opening angle is 75 degrees, see fig. 5), it should be understood that, in the process that the wind resistance plate 20 is rapidly opened under the action of the wind force, the tooth-shaped structure 21 reversely drives the spur rack 30 to rapidly slide, and further drives the telescopic driving member 40 to rapidly extend or retract, and in order to realize the reverse driving action on the telescopic driving member 40, flexible driving piece 40 needs to possess the overload failure performance, that is to say, when flexible driving piece 40 receives the exogenic action that exceeds its self drive power, change reverse brake force into for avoiding its self drive power, should make its self drive power inefficacy, particularly, flexible driving piece 40 can be cylinder or electric push rod, through set up the electromagnetic relief valve on the gas circuit of cylinder, automatic pressure release when the cylinder is flexible drives the windage upset to be about 5 with 50 roof contained angles of automobile body, thereby make the cylinder freely stretch out and draw back fast under spur rack 30's drive, or set up electromagnetic relay on electric push rod, through at the flexible windage upset of electric push rod drive automatic outage when being about 5 with 50 roof contained angles of automobile body, thereby solve the drive power of electric push rod and make its output can freely stretch out and draw back.
In addition, it should be understood that the limiting portion may be disposed on the spur rack 30 to directly limit the sliding limit position of the spur rack 30 along the axial direction thereof, or may be disposed on the tooth structure 21 to indirectly limit the sliding limit position of the spur rack 30 along the axial direction thereof by limiting the rotation angle of the tooth structure 21 and simultaneously matching the meshing relationship between the tooth structure 21 and the spur rack 30, and of course, the final purpose of limiting the sliding limit position of the spur rack 30 is to limit the overturning angle of the choke plate 20.
Compared with the prior art, when a train body 50 running at a high speed needs braking, the telescopic driving piece 40 drives the spur rack 30 to slide, so that the spur rack 30 drives the tooth-shaped structure 21 to rotate, and further drives the wind resistance plate 20 to turn over towards the outer side of the train body 50, when the wind resistance plate 20 slightly turns over for a certain angle (see fig. 4), the wind resistance plate can be rapidly opened under the blowing of wind power, and the spur rack 30 is limited at a sliding limit position through the limiting part, so that the wind resistance plate 20 is rapidly opened (see fig. 5), and because the wind speed is high in the high-speed running process of the train body 50, the action response speed of turning over and opening the wind resistance plate 20 is high by matching the wind power and the telescopic driving piece 40; after braking is completed, the straight rack 30 is driven to reversely slide to another limit position through the telescopic driving piece 40, so that the toothed mechanism is driven to reversely rotate, the wind resistance plate 20 is driven to overturn to a closed state (see fig. 3), the whole structure is simple and compact, the accommodating cavity 501 which is sunken downwards only needs to be arranged on the top wall of the train body 50, the parallel and level with the outer wall of the train body 50 can be ensured when the closed state is realized, the internal space of the train body 50 is occupied to be small, and the application requirement of a high-speed train can be met.
In some embodiments, referring to fig. 3 to 5, two stopping supports 11 are provided on the base 10 at intervals along the length direction of the vehicle body 50, and the spur rack 30 sequentially passes through the two stopping supports 11 and is respectively slidably connected with the two stopping supports 11; the limiting part is a convex block 31 which is protruded from the side wall of the spur rack 30 and is positioned between the two stop supports 11; when the windage board 20 is in the closed state, the projection 31 abuts against one of the stop supports 11, and when the windage board 20 is in the open state, the projection 31 abuts against the other stop support 11.
Through the lug 31 that is located between two backstop supports 11 respectively with the mutual lateral wall butt that is close to of two backstop supports 11, the realization is to the two-way slip extreme position's of alignment rack 30 injecing, simultaneously because the meshing relation of being connected of spur rack 30 and profile of tooth structure 21, thereby can realize the limited to the opening limit angle and the closing angle of windage board 20, improve the upset precision of windage board 20, it is excessive to avoid windage board 20 to overturn when opening under the wind-force effect, ensure braking stability, can also ensure when windage board 20 closes with outer parietal parallel and level of automobile body 50, avoid windage board 20 to produce the windage when automobile body 50 normal operating process.
In other embodiments, referring to fig. 6, the base 10 is provided with a limiting plate 12, and the spur rack 30 passes through the limiting plate 12 and is slidably connected with the limiting plate 12; the limiting parts are two limiting blocks 32 which are respectively positioned at two sides of the limiting plate 12 and are protruded on the side wall of the spur rack 30; when the windage board 20 is in the closed state, one of the limiting blocks 32 abuts against the limiting plate 12, and when the windage board 20 is in the open state, the other limiting block 32 abuts against the limiting plate 12.
Through two stopper 32 that are located spacing portion both sides respectively with the both sides wall butt of limiting plate 12, the two-way slip extreme position's of realization alignment rack 30 limited, simultaneously because spur rack 30 and profile of tooth structure 21's meshing connection relation, thereby can realize opening the limit angle and the injecing of closing the angle to windage board 20, improve windage board 20's upset precision, it is excessive to avoid windage board 20 to overturn when opening under the wind-force effect, ensure braking stability, can also ensure that windage board 20 can with automobile body 50 outer parietal parallel and level when closing, avoid windage board 20 to produce the windage when automobile body 50 normal operating process.
Referring to fig. 7, as a modified embodiment of the limiting portion, the limiting portion is two stoppers 33 spaced apart from each other along the axial direction of the spur rack 30 on the tooth surface of the spur rack 30, when the wind resistance plate 20 is in the closed state, one of the stoppers 33 abuts against the tooth surface of the tooth-shaped structure 21, and when the wind resistance plate 20 is in the open state, the other stopper 33 abuts against the tooth surface of the tooth-shaped structure 21.
In the opening process of the wind resistance plate 20, when the tooth-shaped structure 21 rotates forwards until the tooth surface of the tooth-shaped structure abuts against one of the stop blocks 33, the tooth-shaped structure 21 cannot rotate forwards, that is, the wind resistance plate 20 is opened to the maximum angle, in the closing process of the wind resistance plate 20, when the tooth-shaped structure 21 rotates reversely until the tooth surface of the tooth-shaped structure abuts against the other stop block 33, the tooth-shaped structure 21 cannot rotate reversely any more, and therefore the wind resistance plate 20 can be accurately turned to the closed state flush with the outer top wall of the vehicle body 50.
Referring to fig. 8, as another modified embodiment of the limiting portion, the limiting portion is two dead stop irons 34 spaced on a tooth surface of the tooth structure 21 along a circumferential direction of the tooth structure 21, when the wind resistance plate 20 is in a closed state, one of the dead stop irons 34 abuts against the tooth surface of the spur rack 30, and when the wind resistance plate 20 is in an open state, the other dead stop iron 34 abuts against the tooth surface of the spur rack 30.
In the opening process of the wind resistance plate 20, when the tooth-shaped structure 21 rotates forwards until one of the dead stop irons 34 abuts against the tooth surface of the straight rack 30, the tooth-shaped structure 21 cannot rotate forwards, that is, the wind resistance plate 20 is opened to the maximum angle, and in the closing process of the wind resistance plate 20, when the tooth-shaped structure 21 rotates reversely until the other dead stop iron 34 abuts against the tooth surface of the straight rack 30, the tooth-shaped structure 21 cannot rotate reversely, so that the wind resistance plate 20 can be accurately turned to a closed state flush with the outer top wall of the vehicle body 50.
In some possible implementations, referring to fig. 1 and fig. 2, the rotating shaft 201 of the wind resistance plate 20 is sleeved with the driven member 22, the plate surfaces of the driven member 22 and the wind resistance plate 20 have at least two abutting points 221, the two abutting points 221 are distributed at intervals along the radial direction of the rotating shaft 201, and the tooth-shaped structure 21 is disposed on the driven member 22. Specifically, the driven member 22 is crescent-shaped, and both ends of the driven member 22 are respectively abutted to the plate surface of the wind resistance plate 20. The torque on the driven part 22 can be transmitted to the wind resistance plate 20 through the at least two abutting points 221, so that the wind resistance plate 20 is turned over, the power transmission is stable, the structure is simple and compact, the size is small, the weight is low, and the application requirement of a high-speed train can be met.
In the present embodiment, the tooth structure 21 is an arc-shaped rack fixedly connected to the side wall of the driven member 22. The arc-shaped rack is small in occupied space, stable and reliable in power transmission and low in weight, so that the overall size of the device can be reduced, and the installation and layout are convenient.
In one possible implementation, the telescopic driving member 40 is a cylinder, the cylinder is used for connecting an air source in the vehicle body 50, and a vent pipeline of the cylinder is provided with a solenoid valve, and the solenoid valve is used for connecting an electric control system of the vehicle body 50. The action response speed of cylinder is fast on the one hand, on the other hand combines solenoid valve (circular telegram or outage pressure release) can open the drive power of certain angle back contact alignment rack 30 at windage board 20, thereby make windage board 20 can open fast under the wind-force effect, avoid drive power (the stretching out speed is less than the wind speed) restriction straight rack 30's slip velocity, and then restriction windage board 20's opening speed, can greatly reduced windage board 20 open used length completely, thereby improve windage braking response speed, satisfy high-speed train's application demand.
Based on the same inventive concept, the embodiment of the application also provides a motor train unit train body, please refer to fig. 1 to 8 together, and the motor train unit train body comprises the wind resistance braking device of the high-speed train.
The utility model provides a EMUs automobile body, adopted above-mentioned high-speed train windage arresting gear, when needs are brakied, drive spur rack 30 through flexible driving piece 40 and slide, thereby make spur rack 30 drive profile of tooth structure 21 rotate, and then drive the upset of choke plate 20 towards the automobile body 50 outside, when choke plate 20 slightly overturns certain angle, can open rapidly under the wind-force blowing, and spacing spur rack 30 at the slip extreme position through the spacing part, thereby realize opening fast of choke plate 20, because the wind speed is high in the high-speed operation in-process of automobile body 50, therefore it is fast to utilize wind-force and flexible driving piece 40 to cooperate and drive the action response speed that choke plate 20 overturns and open; after braking is completed, the straight rack 30 is driven to reversely slide to another limit position through the telescopic driving piece 40, so that the tooth-shaped mechanism is driven to reversely rotate, the wind resistance plate 20 is driven to overturn to a closed state, the whole structure is simple and compact, the accommodating cavity 501 which is sunken downwards only needs to be arranged on the top wall of the train body 50, the parallel and level with the outer wall of the train body 50 can be guaranteed when the closed state is achieved, and therefore the occupied space of the train body 50 is small, and the application requirement of a high-speed train can be met.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. High-speed train windage arresting gear for fixed mounting is in the holding intracavity of roof wall undercut outside the automobile body, its characterized in that includes:
the base is fixedly connected in the accommodating cavity;
the wind resistance plate is rotatably connected with the base along the width direction of the vehicle body, has a closed state of being turned over to be flush with the outer top wall of the vehicle body, and also has an open state of being turned over to form an included angle with the outer top wall of the vehicle body; the wind resistance plate is provided with a tooth-shaped structure which is distributed in an arc or circumference by taking a rotating shaft of the wind resistance plate as a center;
the straight rack is connected to the base in a sliding mode along the length direction of the vehicle body and meshed with the tooth-shaped structure, a limiting part is arranged on the straight rack or the tooth-shaped structure and used for limiting the sliding limit position of the straight rack and further limiting the overturning angle of the wind resistance plate;
the telescopic driving piece is fixedly connected to the base, and the output end of the telescopic driving piece is connected with the straight rack.
2. The wind resistance brake device of the high-speed train as claimed in claim 1, wherein two stop supports are provided on the base at intervals along the length direction of the train body, and the spur rack sequentially passes through the two stop supports and is respectively connected with the two stop supports in a sliding manner; the limiting part is a convex block which is protruded from the side wall of the straight rack and is positioned between the two stop supports; when the wind resistance plate is in the closed state, the lug abuts against one of the stop supports, and when the wind resistance plate is in the open state, the lug abuts against the other stop support.
3. The high-speed train wind resistance brake device according to claim 1, wherein the base is provided with a limit plate, and the spur rack penetrates through the limit plate and is connected with the limit plate in a sliding manner; the limiting parts are two limiting blocks which are respectively positioned at two sides of the limiting plate and are protruded out of the side wall of the straight rack; when the wind resistance plate is in the closed state, one of the limiting blocks is abutted to the limiting plate, and when the wind resistance plate is in the open state, the other limiting block is abutted to the limiting plate.
4. The high-speed train wind resistance braking device according to claim 1, wherein the limiting portion is two stoppers that are spaced apart from each other along the axial direction of the spur rack and are disposed on the tooth surface of the spur rack, and when the wind resistance plate is in the closed state, one of the stoppers abuts against the tooth surface of the tooth-shaped structure, and when the wind resistance plate is in the open state, the other stopper abuts against the tooth surface of the tooth-shaped structure.
5. The high-speed train wind resistance brake device according to claim 1, wherein the limiting portion is two dead blocking irons distributed on a tooth surface of the tooth-shaped structure at intervals along a circumferential direction of the tooth-shaped structure, one of the dead blocking irons abuts against the tooth surface of the spur rack when the wind resistance plate is in the closed state, and the other one of the dead blocking irons abuts against the tooth surface of the spur rack when the wind resistance plate is in the open state.
6. The high-speed train wind resistance brake device according to claim 1, wherein a driven member is sleeved on the rotating shaft of the wind resistance plate, the driven member and the plate surface of the wind resistance plate have at least two abutting points, the two abutting points are distributed at intervals along the radial direction of the rotating shaft, and the tooth-shaped structure is arranged on the driven member.
7. The high-speed train wind-resistance brake device according to claim 6, wherein the follower is crescent-shaped, and two ends of the follower are respectively abutted against the plate surface of the wind-resistance plate.
8. The high speed train wind resistance brake apparatus according to claim 6, wherein said tooth structure is an arc-shaped rack fixedly connected to a side wall of said driven member.
9. The high-speed train wind resistance brake device according to any one of claims 1 to 8, wherein the telescopic driving member is a cylinder, the cylinder is used for connecting with a gas source in the train body, and a vent pipeline of the cylinder is provided with a solenoid valve, and the solenoid valve is used for connecting with an electric control system of the train body.
10. The motor train unit train body is characterized by comprising the high-speed train wind resistance braking device according to any one of claims 1 to 9.
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| CN202121040982.9U CN215204895U (en) | 2021-05-14 | 2021-05-14 | Wind resistance braking device of high-speed train and train body of motor train unit |
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| CN202121040982.9U CN215204895U (en) | 2021-05-14 | 2021-05-14 | Wind resistance braking device of high-speed train and train body of motor train unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230164330A (en) * | 2022-05-25 | 2023-12-04 | 한서대학교 산학협력단 | Avoidance maneuvering apparatus and method for dron |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230164330A (en) * | 2022-05-25 | 2023-12-04 | 한서대학교 산학협력단 | Avoidance maneuvering apparatus and method for dron |
| KR102651884B1 (en) | 2022-05-25 | 2024-03-27 | 한서대학교 산학협력단 | Avoidance maneuvering apparatus and method for dron |
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