CN113184009A - Wind resistance braking device and rail train - Google Patents
Wind resistance braking device and rail train Download PDFInfo
- Publication number
- CN113184009A CN113184009A CN202110694332.4A CN202110694332A CN113184009A CN 113184009 A CN113184009 A CN 113184009A CN 202110694332 A CN202110694332 A CN 202110694332A CN 113184009 A CN113184009 A CN 113184009A
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- 230000007246 mechanism Effects 0.000 claims abstract description 196
- 230000005540 biological transmission Effects 0.000 claims description 36
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/06—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes
- B61H11/10—Aerodynamic brakes with control flaps, e.g. spoilers, attached to the vehicles
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- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a wind resistance braking device and a rail train, wherein the wind resistance braking device comprises a braking mechanism, a first driving mechanism and a second driving mechanism; the brake mechanism comprises a brake plate and a base, and the brake plate is arranged on the base; the first driving mechanism is used for driving the brake plate and the base to rotate around a first axis so as to open and close the brake plate; the second driving mechanism is used for driving the brake plate to rotate around a second axis relative to the base; the second axis is perpendicular to the first axis. By adopting the scheme, when the rail train passes through the curve road section, the braking plate can be driven to rotate around the second axis, so that the windward side of the braking plate is just opposite to the advancing direction of the train, the lateral force of wind acting on the braking plate can be reduced, the service life of the braking mechanism can be prolonged, and the running safety of the whole train can be improved.
Description
Technical Field
The invention relates to the technical field of rail trains, in particular to a wind resistance braking device.
Background
The wind resistance braking is a clean and environment-friendly non-adhesion braking mode, and air resistance is used as train braking force. Windage brakes are typically mounted on the roof of the vehicle.
The existing wind resistance braking device can bear larger lateral force when a train passes through a curve road section, so that the wind resistance braking device is easy to damage and is not beneficial to safe and stable operation of the train.
Disclosure of Invention
In order to solve the technical problem, the invention provides a wind resistance braking device, which comprises a braking mechanism, a first driving mechanism and a second driving mechanism; the brake mechanism comprises a brake plate and a base, and the brake plate is arranged on the base; the first driving mechanism is used for driving the brake plate and the base to rotate around a first axis so as to open and close the brake plate; the second driving mechanism is used for driving the brake plate to rotate around a second axis relative to the base; the second axis is perpendicular to the first axis.
In one embodiment, the braking mechanisms are provided in two or more; each braking mechanism is linked through a transmission mechanism, so that the braking mechanisms can be synchronously opened or one braking mechanism drives the other braking mechanism to be closed when the other braking mechanism is opened; the opening directions of the brake plates of the brake mechanisms are the same or the opening directions of the brake plates of at least two brake mechanisms are opposite.
In one embodiment, the transmission mechanism comprises a transmission shaft, a gear and a protective shell, the transmission shaft is fixedly connected with or integrally arranged with the base of the brake mechanism, the gear is fixedly connected with or integrally arranged on the periphery of the transmission shaft, different transmission shafts are in meshing transmission through the gear, and the gear is arranged in the protective shell.
In one embodiment, the wind resistance braking device further comprises a loading body, a rotating disc and a locking mechanism; the turntable is rotatably arranged on the loading body, and the second driving mechanism drives the turntable to rotate; the locking mechanism is provided with an electromagnetic locking component and can automatically lock the turntable under the action of electromagnetic force; the first driving mechanism is mounted on the turntable.
In an embodiment, the wind resistance braking device further comprises a limiting mechanism, the limiting mechanism comprises a swinging piece, a sliding piece and a limiting piece, the swinging piece is hinged to the braking plate and the sliding piece, so that the sliding piece can slide along with the opening of the braking plate, and when the braking plate is opened to the maximum opening degree, the sliding piece is abutted to the limiting piece, so that the braking plate cannot be further opened.
In one embodiment, the spacing mechanism is mounted on the turntable; the first driving mechanism and the limiting mechanism are separately arranged, or the first driving mechanism is connected to a swinging piece of the limiting mechanism.
In one embodiment, the wind resistance braking device further comprises a locking mechanism, wherein the locking mechanism comprises a lock body and a lock hook; the lock body and the lock hook are fixedly arranged on the loading body, and the lock body and the lock hook are fixedly arranged on the braking plate; the lock body is provided with an electromagnetic bolt which can automatically lock the latch hook under the action of electromagnetic force.
In one embodiment, the wind resistance braking device further comprises a third driving mechanism, and the third driving mechanism is mounted on the loading body and can push the braking plate to open.
In one embodiment, the carrier is a cartridge; the brake plate is embedded into the top side opening of the box body when being closed to form a top cover of the box body, and the first driving mechanism, the second driving mechanism, the third driving mechanism, the transmission mechanism, the rotary disc, the locking mechanism, the limiting mechanism and the locking mechanism are all located in the box body.
The invention also provides a rail train, which adopts any one of the wind resistance braking devices, the top of the train is provided with a groove, and a loading body of the wind resistance braking device is embedded in the groove.
By adopting the wind resistance braking device provided by the invention, when a rail train passes through a curve road section, the braking plate can be driven to rotate around the second axis, so that the windward side of the braking plate is opposite to the advancing direction of the train, and the lateral force of wind acting on the braking plate can be reduced, thereby prolonging the service life of the braking mechanism and improving the running safety of the whole train.
Drawings
FIG. 1 is a perspective view of one embodiment of a windage brake assembly according to the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a partial view from another perspective of FIG. 1;
FIG. 4 is a schematic view of the disc and locking mechanism;
FIG. 5 is a schematic view of the third drive mechanism assembled under the locking mechanism;
FIG. 6 is an enlarged view of the circled portion of FIG. 5;
FIG. 7 is a schematic view of the base and drive shaft assembled together;
FIG. 8 is a schematic view of a transmission mechanism;
FIG. 9 is a schematic view of one embodiment of the first drive mechanism, shown separated from the spacing mechanism;
FIG. 10 is a schematic view of one embodiment of a spacing mechanism, shown separately from the first drive mechanism;
FIG. 11 is a schematic view of another embodiment of a spacing mechanism integrated with a first drive mechanism;
FIG. 12 is a schematic view of a lock body of the locking mechanism;
FIG. 13 is a schematic view of one embodiment of a third drive mechanism.
The reference numerals are explained below:
10 brake mechanism, 101 brake plate, 102 base, 102a latch;
20 a first drive mechanism;
30 a second drive mechanism;
40 transmission mechanism, 401 transmission shaft, 402 gear, 403 protective shell and 404 support component;
50-pack carrier, 501 bottom plate, 502 side wall plate, 503 top plate;
60 a turntable;
70 locking mechanism, 701 seat board, 702 ear board, 703 electromagnetic locking component
80 limiting mechanisms, 801 swinging pieces, 801a swinging rods, 802 sliding pieces, 803 limiting pieces and 804 guide pieces;
90 locking mechanism, 901 lock hook, 902 lock body, 902a electromagnetic lock tongue;
100 third drive mechanism.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 5, the wind resistance braking device includes a braking mechanism 10, a first driving mechanism 20, a second driving mechanism 30, a loading body 50, a turntable 60, a locking mechanism 70, a limiting mechanism 80, a locking mechanism 90, and a third driving mechanism 100. The mechanisms and the turntable 60 are all mounted on a loading body 50, and the loading body 50 is fixed on the top of the train.
The brake mechanism 10 includes a brake plate 101 and a base 102, and the brake plate 101 is mounted on the base 102 and rotatably connected to the base 102.
The first driving mechanism 20 is connected to the braking plate 101 and can drive the braking plate 101 and the base 102 to rotate together around the first axis L1, so that the braking plate 101 can be opened from the near-horizontal position to the near-vertical position and closed from the near-vertical position to the near-horizontal position. The first axis L1 is generally transverse to the train.
The stopper mechanism 80 is connected to the stopper plate 101, and stops the stopper plate 101 when the stopper plate 101 is opened to the maximum opening degree, so that the stopper plate 101 can be stably maintained at the maximum opening degree. Preferably, the brake plate 101 is at an angle of 75 ° to the horizontal when opened to its maximum opening.
The locking mechanism 90 locks the stopper plate 101 to the mounting body 50 when the stopper plate 101 is closed, so that the stopper plate 101 can be stably held closed.
The second driving mechanism 30 drives the brake plate 101 to rotate relative to the base 102 about a second axis L2, the second axis L2 being perpendicular to the first axis L1. By the design, when the train passes through a curve road section, the second driving mechanism 30 can drive the brake plate 101 to rotate around the second axis L2, so that the windward side of the brake plate 101 is opposite to the advancing direction of the train, the lateral force of wind acting on the brake plate 101 can be reduced, the service life of the brake mechanism 10 can be prolonged, and the running safety and the stability of the whole train can be improved.
As shown in fig. 3 and 5, the turntable 60 is connected to the second driving mechanism 30 and driven by the second driving mechanism 30, the first driving mechanism 20 and the limiting mechanism 80 are mounted on the turntable 60, and the driving force of the second driving mechanism 30 can be transmitted to the braking plate 101 through the turntable 60, the first driving mechanism 20 and the limiting mechanism 80, so that the first driving mechanism 20, the limiting mechanism 80 and the turntable 60 rotate synchronously when the braking plate 101 rotates around the second axis L2.
The lock mechanism 70 locks the dial 60 when the brake plate 101 rotates to the target angular position about the second axis L2 to stabilize the brake plate 101 at the target angular position.
The third driving mechanism 100 is used to assist in opening the braking plate 101, and when the first driving mechanism 20 cannot jack up the braking plate 101 due to the braking plate 101 being stuck, frozen, or the like, the third driving mechanism 100 may be started to push the braking plate 101 upward by using the third driving mechanism 100 to assist the first driving mechanism 20 in opening the braking plate 101.
Each wind resistance braking device can be provided with only one braking mechanism 10, and also can be provided with two or more than two braking mechanisms 10. When two or more braking mechanisms 10 are provided, the opening directions of the braking plates 101 of the respective transmission mechanisms 40 may be the same, or the opening directions of the braking plates 101 of at least two braking mechanisms 10 may be opposite. In fig. 1, two brake mechanisms 10 are provided, and the brake plates 101 of the two brake mechanisms 10 are opened in opposite directions.
When two or more braking mechanisms 10 are provided, a transmission mechanism 40 may be provided to allow the braking mechanisms 10 to be linked by the transmission mechanism 40, and in fig. 1, two braking mechanisms 10 are linked by the transmission mechanism 40. The linked braking mechanisms 10 can be opened and closed simultaneously, or one can be opened and closed while the other is driven to be closed, and in fig. 1, the two braking mechanisms 10 are opened and closed simultaneously.
The structure of each mechanism is described in detail as follows:
As shown in fig. 1, the brake mechanism 10 includes a brake plate 101 and a base 102. As shown in fig. 7, a plug 102a is disposed on the base 102, a matching pin hole is disposed on the braking plate 101, the braking plate 101 is sleeved outside the plug 102a and can rotate around the central axis of the plug 102a, which is the second axis L2. The base 102 is connected with a transmission shaft 401, the base 102 is fixedly connected with or integrated with the transmission shaft 401, a bearing (see fig. 8) is sleeved outside the transmission shaft 401, the bearing is installed in an installation hole of the supporting part 404, the supporting part 404 is supported and fixed on the installation body 50, and the base 102 can rotate around the central axis of the bearing, namely the first axis L1.
The first driving mechanism 20 may be a pneumatic cylinder or a hydraulic cylinder, and in the illustrated embodiment, a pneumatic cylinder is used.
As shown in fig. 9 and 10, the first driving mechanism 20 and the limiting mechanism 80 may be separately arranged, and when separately arranged, the first driving mechanism 20 and the limiting mechanism 80 are respectively hinged at different positions of the turntable 60, and the first driving mechanism 20 and the limiting mechanism 80 are respectively hinged at different positions of the braking plate 101.
Alternatively, as shown in fig. 11, the first driving mechanism 20 and the limiting mechanism 80 may be integrally disposed, and when the integrally disposed first driving mechanism 20 is connected to the limiting mechanism 80, the limiting mechanism 80 is hinged to the turntable 60 and the braking plate 101. The integrated layout occupies small space, and is beneficial to reducing the volume of the device.
As shown in fig. 5, the second driving mechanism 30 may employ a motor in order to achieve precise angle adjustment. The motor is installed below the locking mechanism 70, and an output shaft of the motor is connected to the turntable 60 after passing upward through the seat plate 701 of the locking mechanism 70, so that the turntable 60 can be driven to rotate.
As shown in fig. 7 and 8, the transmission mechanism 40 includes a transmission shaft 401, a gear 402, a support member 404, a bearing, and a shield case 403. The gear 402 is fixedly connected or integrally arranged on the periphery of the transmission shaft 401, and when the base 102 rotates, the transmission shaft 401 and the gear 402 rotate along with the transmission shaft 401 and the gear 402. The transmission shafts 401 connected with different brake mechanisms 10 are in meshed transmission through gears 402. The gear 402 is arranged in the protective shell 403, so that the gear 402 can be protected from being corroded by sundries, and stable transmission of the gear 402 is facilitated. The protective housing 403 is fixedly mounted to the mounting body 50.
Loading body 50
As shown in fig. 1, the carrier 50 is provided as a box having a bottom plate 501, a side wall plate 502 and a top plate 503, the top side being provided with an opening. When the braking plate 101 is closed, it is embedded into the top opening of the box body to form a top cover of the box body, so as to seal the box body, and at this time, the first driving mechanism 20, the second driving mechanism 30, the transmission mechanism 40, the turntable 60, the locking mechanism 70, the limiting mechanism 80, the locking mechanism 90, and the third driving mechanism 100 are all located in the box body, so that the box body plays a role in protection. When the wind resistance braking device is used, the loading body 50 is fixed on the top of a train, specifically, a groove can be arranged on the top of the train, and then the loading body 50 is embedded in the groove, so that when the braking plate 101 is closed, the top surface of the wind resistance braking device is basically flush with the top surface of the train, and the running resistance can be reduced to the maximum extent.
As shown in fig. 4-6, the periphery of the disk 60 is provided with ribs extending over the entire periphery of the disk 60. The locking mechanism 70 comprises a seat plate 701, an ear plate 702 and an electromagnetic locking component 703, the seat plate 701 is fixedly installed on the bottom plate 501 of the loading body 50, the ear plate 702 and the seat plate 701 are integrally arranged or fixedly connected, the ear plate 702 is located on one side of the turntable 60, and the electromagnetic locking component 703 is inserted in an ear hole of the ear plate 702 and can be close to or far away from the turntable 60 under the action of electromagnetic force. When the rotating disc 60 needs to be locked, the current direction is controlled, the electromagnetic locking part 703 is close to the rotating disc 60 until the electromagnetic locking part collides with the convex edge on the periphery of the rotating disc 60, and when the rotating disc 60 needs to rotate, the current direction is controlled, the electromagnetic locking part 703 is far away from the rotating disc 60 until the electromagnetic locking part is separated from the rotating disc 60.
Limiting mechanism 80
As shown in fig. 10 and 11, the limiting mechanism 80 includes a swinging member 801, a sliding member 802, a limiting member 803, and a guiding member 804. The slider 802 is engaged with the guide 804.
The swinging member 801 includes a plurality of swing rods 801a, and in fig. 10, the swinging member 801 is provided with five swing rods 801 a. In fig. 11, the swing member 801 is provided with three swing rods 801a, and since the first driving mechanism 20 is connected to the swing member 801 in fig. 11, the swing member 801 is provided with only three swing rods 801a to meet the stability requirement.
The swinging member 801 is hinged to the braking plate 101 and also hinged to the sliding member 802, so that the sliding member 802 can slide along the guide member 804 with the braking plate 101 being opened. The guide 804 is fixed to the turntable 60. The limiting member 803 may be fixedly installed or slidably installed, and is slidably installed in the drawing, that is: the limiting member 803 is hinged to the swinging member 801 and can slide along the guide 804 along with the opening of the braking plate 101, and the sliding direction is opposite to that of the sliding member 802. When the braking plate 101 is opened to the maximum opening, the sliding member 802 abuts against the stopper 803, so that the braking plate 101 cannot be further opened.
Locking mechanism 90
As shown in fig. 1, the latching mechanism 90 includes a latch body 902 and a latch hook 901. A lock body 902 and a shackle 901, one fixedly mounted to the mounting body 50 and one fixedly mounted to the brake plate 101, the shackle 901 is generally lighter in weight than the lock body 902, so the shackle 901 is preferably mounted to the brake plate 101.
As shown in fig. 12, the lock body 902 has an electromagnetic latch 902a, and the electromagnetic latch 902a is inserted into a sleeve, which is supported and fixed on the mount body 50 by a support. The electromagnetic latch 902a can extend into the latch hook 901 or be released from the latch hook 901 under the action of electromagnetic force, so as to realize locking and unlocking.
As shown in fig. 1 and 13, the third driving mechanism 100 may employ an air cylinder or a hydraulic cylinder, and an air cylinder is used in the drawing. The third driving mechanism 100 is fixed on the bottom plate 501 of the loading body 50, and when the braking plate 101 is jammed or frozen, the third driving mechanism 100 pushes the braking plate 101 upwards to assist the first driving mechanism 20 to open the braking plate 101. In addition, the third drive mechanism 100 may also be used to temporarily replace the first drive mechanism 20 once the first drive mechanism 20 fails.
The wind resistance braking device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The wind resistance braking device is characterized by comprising a braking mechanism (10), a first driving mechanism (20) and a second driving mechanism (30); the brake mechanism (10) comprises a brake plate (101) and a base (102), wherein the brake plate (101) is mounted on the base (102); the first driving mechanism (20) is used for driving the brake plate (101) and the base (102) to rotate around a first axis (L1) so as to open and close the brake plate (101); the second driving mechanism (30) is used for driving the brake plate (101) to rotate around a second axis (L2) relative to the base (102); the second axis (L2) is perpendicular to the first axis (L1).
2. The wind-resistance brake device according to claim 1, wherein the brake mechanism (10) is provided in two or more; each brake mechanism (10) is linked through a transmission mechanism (40), so that the brake mechanisms can be synchronously opened or one brake mechanism can drive the other brake mechanism to be closed when the other brake mechanism is opened; the opening directions of the brake plates (101) of the brake mechanisms (10) are the same or the opening directions of the brake plates (101) of at least two brake mechanisms (10) are opposite.
3. The wind resistance brake device according to claim 1, wherein the transmission mechanism (40) comprises a transmission shaft (401), a gear (402) and a protective shell (403), the transmission shaft (401) is fixedly connected with or integrally arranged with the base (102) of the brake mechanism (10), the gear (402) is fixedly connected with or integrally arranged on the periphery of the transmission shaft (401), different transmission shafts (401) are in meshing transmission through the gear (402), and the gear (402) is arranged in the protective shell (403).
4. A windage brake according to any of claims 1-3, wherein the windage brake further comprises a carrier (50), a turntable (60) and a locking mechanism (70); the rotary disc (60) is rotatably arranged on the loading body (50), and the second driving mechanism (30) drives the rotary disc (60) to rotate; the locking mechanism (70) is provided with an electromagnetic locking component (703) which can automatically lock the turntable (60) under the action of electromagnetic force; the first drive mechanism (20) is mounted on the turntable (60).
5. The wind resistance braking device according to claim 4, further comprising a limiting mechanism (80), wherein the limiting mechanism (80) comprises a swinging member (801), a sliding member (802) and a limiting member (803), the swinging member (801) is hinged to the braking plate (101) and the sliding member (802), so that the sliding member (802) can slide along with the opening of the braking plate (101), and when the braking plate (101) is opened to the maximum opening degree, the sliding member (802) is abutted to the limiting member (803), so that the braking plate (101) cannot be further opened.
6. The wind-resistance brake device according to claim 5, wherein the limiting mechanism (80) is mounted on the turntable (60); the first driving mechanism (20) is arranged separately from the limiting mechanism (80), or the first driving mechanism (20) is connected to a swinging piece (801) of the limiting mechanism (80).
7. The wind-resistant brake device according to claim 5, characterized in that the wind-resistant brake device further comprises a locking mechanism (90), wherein the locking mechanism (90) comprises a lock body (902) and a lock hook (901); the lock body (902) and the latch hook (901), one fixedly mounted to the load body (50) and one fixedly mounted to the brake plate (101); the lock body (902) is provided with an electromagnetic bolt (902a), and the electromagnetic bolt (902a) can automatically lock the latch hook (901) under the action of electromagnetic force.
8. A windage braking device according to claim 7, further comprising a third drive mechanism (100), said third drive mechanism (100) being mounted to said load carrier (50) and being capable of pushing said braking plate (101) to open said braking plate (101).
9. A windage brake according to claim 8, wherein the load carrier (50) is a box; the brake plate (101) is embedded into the top side opening of the box body when being closed to form a top cover of the box body, and the first driving mechanism (20), the second driving mechanism (30), the transmission mechanism (40), the turntable (60), the locking mechanism (70), the limiting mechanism (80), the locking mechanism (90) and the third driving mechanism (100) are all located in the box body.
10. A rail train, characterized in that, with the wind-resistance braking device according to any one of claims 1 to 9, a recess is provided in the roof portion, and a carrier (50) of the wind-resistance braking device is fitted in the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110694332.4A CN113184009A (en) | 2021-06-22 | 2021-06-22 | Wind resistance braking device and rail train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110694332.4A CN113184009A (en) | 2021-06-22 | 2021-06-22 | Wind resistance braking device and rail train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113184009A true CN113184009A (en) | 2021-07-30 |
Family
ID=76976580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110694332.4A Pending CN113184009A (en) | 2021-06-22 | 2021-06-22 | Wind resistance braking device and rail train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113184009A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572381A (en) * | 2022-04-19 | 2022-06-03 | 中国商用飞机有限责任公司 | Tail cone with speed reducing assembly and airplane provided with tail cone |
| CN114655169A (en) * | 2022-04-15 | 2022-06-24 | 中国铁道科学研究院集团有限公司 | Air resistance brake device opened in supporting mode |
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| KR20190097875A (en) * | 2018-02-13 | 2019-08-21 | 한국철도기술연구원 | Aerodynamic braking system for railway vehicle |
| CN110435613A (en) * | 2019-08-21 | 2019-11-12 | 中车青岛四方车辆研究所有限公司 | A kind of two-way windage brake apparatus of track train |
| CN210618142U (en) * | 2017-03-17 | 2020-05-26 | 张大成 | Brake tilting device for railway vehicle using air resistance |
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2021
- 2021-06-22 CN CN202110694332.4A patent/CN113184009A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241225A (en) * | 2012-02-13 | 2013-08-14 | 同济大学 | Single wing plate operated aerodynamic braking device |
| CN106882169A (en) * | 2017-03-03 | 2017-06-23 | 同济大学 | Train wind resistance bidirectional braking device |
| CN210618142U (en) * | 2017-03-17 | 2020-05-26 | 张大成 | Brake tilting device for railway vehicle using air resistance |
| KR20190097875A (en) * | 2018-02-13 | 2019-08-21 | 한국철도기술연구원 | Aerodynamic braking system for railway vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114655169A (en) * | 2022-04-15 | 2022-06-24 | 中国铁道科学研究院集团有限公司 | Air resistance brake device opened in supporting mode |
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| CN114572381A (en) * | 2022-04-19 | 2022-06-03 | 中国商用飞机有限责任公司 | Tail cone with speed reducing assembly and airplane provided with tail cone |
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Application publication date: 20210730 |