CN113291347A - Split wind resistance braking device and vehicle braking system thereof - Google Patents
Split wind resistance braking device and vehicle braking system thereof Download PDFInfo
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- CN113291347A CN113291347A CN202110711446.5A CN202110711446A CN113291347A CN 113291347 A CN113291347 A CN 113291347A CN 202110711446 A CN202110711446 A CN 202110711446A CN 113291347 A CN113291347 A CN 113291347A
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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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Abstract
The invention discloses a split wind resistance braking device and a vehicle braking system thereof. The main body framework is provided with an installation interface connected with a vehicle and is installed at the top of the train. The wind wing plates are arranged on the main body frame and rotate around the rotating shafts respectively, and then the two wind resistance plates can be opened and closed in the rotating directions of the shafts independently. According to different running directions of the train, each unit respectively opens the wind resistance plate on one side in a staggered mode, and the wind resistance plate on the other side is unlocked and then is opened by only a small angle under the action of pneumatic pressure. The area of the single wind resistance plate is larger, the total area of the wind resistance plates is close to the projection area of the unit, and the space utilization rate is higher; meanwhile, the mode of opening the wind resistance plates in a staggered mode can effectively improve the series pneumatic efficiency of the wind resistance plates.
Description
Technical Field
The invention relates to the technical field of non-adhesive braking of high-speed trains, in particular to a split wind resistance braking device and a vehicle braking system thereof.
Background
Along with the increase of the speed of the train, the wind resistance braking device is arranged at the top of the train, so that the resistance increase and the energy consumption reduction can be realized, the braking distance of the high-speed train is reduced, and the braking safety of the train is improved.
CN201410850137 discloses a bidirectional wind resistance braking device of a high-speed motor train unit, which comprises a wind resistance braking plate, a first support and a second support, wherein the first support is hinged with one end of the wind resistance braking plate through a bearing, and the second support is hinged with the other end of the wind resistance braking plate through a bearing; the bearing is hinged with the other ends of the first support and the second support, and the plate frame is installed in a matched mode with the bearing; the plate frame is externally or internally arranged on the roof of the high-speed motor train unit or/and two sides of the motor train unit body; the first support and the second support are telescopic mechanisms.
CN2017114010290 discloses an opening and locking device for wind resistance braking, which includes an opening mechanism and a locking mechanism, the opening mechanism contacts with the middle of the inner surface of a braking wind resistance plate, the inner surface of the braking wind resistance plate is the surface of the braking wind resistance plate which is closed and then folded inside the roof, the locking mechanism includes an electromagnetic lock, a position sensor, a housing and a lock tongue, one end of the electromagnetic lock is connected with the position sensor through a threaded sleeve, the other end of the electromagnetic lock is fixed with the lock tongue through a pin, the side surface of the housing is provided with a guide groove, the lock tongue moves in the guide groove along the axial direction, the middle of the inner surface of the braking wind resistance plate is provided with a lock catch, when the angle between the braking wind resistance plate and the roof surface is zero degree, the lock tongue extends into the lock catch to realize locking. The opening mechanism of the invention does not need power supply, and can realize the opening function under the condition of emergency braking vehicle power failure.
The existing wind resistance braking device has the following problems: 1) when the train is braked in high-speed operation, the wind resistance plate is opened by relying on pneumatic, hydraulic or electric power sources, energy loss exists, and the burden of the train is increased. 2) The complex actuating mechanism causes the device thickness to be big, and the roof installation occupies passenger train room height space, reduces passenger's riding comfort. 3) Complicated opening and recovery of the power source requires space occupation of the vehicle, further compressing the passenger compartment volume. 4) The wind resistance braking device can be opened only by the power source for maintenance operation. 5) The braking requirement under the two-way operation working condition of the vehicle can not be met or the direction can be automatically controlled and selected to realize the opening direction.
Meanwhile, the layout of the existing car roof wind resistance braking device needs to increase the braking force by increasing the installation number, the small distance causes a large series interference effect, and the single plate braking efficiency is low.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a brake device which fully utilizes the space of the roof of a vehicle to improve the braking force, realizes the design of small thickness and light weight and overcomes the defect that the existing brake device can only realize unidirectional braking. The staggered layout improves the defect of large series interference effect and improves the braking effect.
The purpose of the invention is realized by the following technical scheme.
The utility model provides a to open windage arresting gear, includes windage board, drive connecting rod drive mechanism, locking mechanism, supplementary opening mechanism and main body frame, the windage board is equipped with two, and two windage board subtend are arranged, windage board, drive connecting rod drive mechanism, locking mechanism, supplementary opening mechanism are integrated on the main body frame, windage board pivot both ends are connected respectively in windage board, locking structure and supplementary opening mechanism among the drive connecting rod drive mechanism, the windage board is adorned in the windage board pivot through the swing arm, drive connecting rod drive mechanism drives the swing arm through the connecting rod and realizes that the windage board rotates around the windage board pivot.
Furthermore, the driving connecting rod transmission mechanism comprises a cylinder connecting rod structure, an electric cylinder connecting rod structure and a manual operation mechanism, and the cylinder connecting rod structure is used for opening the locking mechanism and releasing the wind resistance plate when the vehicle applies braking; the electric cylinder connecting rod mechanism is used for recovering the wind resistance plate after braking is finished; and the manual operating mechanism is used for opening the wind resistance plate during maintenance.
Furthermore, a rotating shaft support is arranged on the main body frame, and the rotating shaft of the wind resistance plate movably penetrates through the rotating shaft support through a bearing.
Furthermore, be equipped with between the choke plate and the main body frame spring damping actuator, spring damping actuator includes damping rod, end and spring, one end fixed mounting of spring damping actuator is on the swing arm of choke plate lower surface, and another end is fixed in on the main body frame.
Furthermore, one end of the swing arm is fixedly arranged on the lower surface of the wind resistance plate, the other end of the swing arm is fixed on the rotating shaft of the wind resistance plate, and the swing arm and the rotating shaft of the wind resistance plate rotate at the same angle.
Furthermore, the locking mechanism is installed on a support of the main body frame and comprises a cam, a shifting piece, a lock hook, a lock catch and a return spring, the wind resistance plate is fixed with the lock catch, the cam and the auxiliary opening mechanism are fixedly arranged on a rotating shaft of the wind resistance plate, the driving connecting rod transmission mechanism drives the cam and the auxiliary opening mechanism to rotate in a shaft mode, the cam overcomes spring force to push the shifting piece open, the auxiliary opening mechanism opens the wind resistance plate, and the wind resistance plate is opened under the action of air wind.
Further, the main body frame is provided with a mounting interface connected with the vehicle, is mounted on the top of the vehicle and is arranged along the longitudinal center line of the top of the vehicle; the top of the split wind resistance braking device is designed into a cambered surface, and the cambered surface is consistent with a roof camber line, so that sunken installation is realized; according to different running directions of trains, each unit respectively opens the wind resistance plate on one side in a staggered mode, and the wind resistance plate on the other side is unlocked and then only opens a gap under the action of pneumatic pressure.
Compared with the prior art, the invention has the advantages that: the invention provides a brand-new wind resistance braking device structure and a simple and reliable action mechanism thereof, wherein the opening and the recovery of two groups of wind resistance plates can be realized through a set of driving connecting rod mechanism, the device has a compact structure, small occupied space and low cost, and is convenient to replace and maintain. The wind resistance braking device is characterized in that each device respectively opens the wind resistance plate on one side in a staggered mode according to different running directions of the train, and the wind resistance plate on the other side is unlocked and then is opened by only a tiny angle under the action of pneumatic pressure.
The invention provides a staggered roof layout mode of a wind resistance braking device, which can effectively reduce the series interference effect and improve the braking efficiency.
Drawings
Fig. 1 is a side view of the split wind resistance brake apparatus in a closed state according to the present invention.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a schematic diagram of the layout of the split wind-resistance vehicle braking system and braking states in different driving directions according to the present invention.
Fig. 4 is a schematic structural view of the split wind resistance braking device of the present invention.
Fig. 5 is a schematic structural view of the driving link transmission mechanism of the present invention.
FIG. 6 is a schematic view of the locking mechanism of the present invention.
Fig. 7 is a schematic view of the main frame and the vehicle mounting interface of the split wind-resistance braking device of the present invention.
In the figure: 1. the device comprises a main body frame 2, a wind resistance plate 3, a first swing arm 4, a lock catch 5, a second swing arm 6, a spring damping actuator 7, a wind resistance plate rotating shaft 8, a first crank 9, a first connecting rod 10, a manual opening handle 11, a first rotating shaft 12, an auxiliary opening mechanism 13, an unlocking rotating shaft 14, an air cylinder actuator 15, a second crank 16, a third crank 17, an electric cylinder actuator 18, a second rotating shaft 19, a fourth crank 20, a second connecting rod 21, a third connecting rod 22, a third rotating shaft 23, a fifth crank 24, a fourth rotating shaft 25, a lock hook 26, a return spring 27, a shifting piece 28, a cam 29 and a vehicle.
Detailed Description
The invention is described in detail below with reference to the drawings and specific examples.
The utility model provides a to open windage arresting gear, includes windage board, drive connecting rod drive mechanism, locking mechanism, supplementary opening mechanism and main body frame, the windage board is equipped with two, and two windage board subtend arranges, windage board, drive connecting rod drive mechanism, locking mechanism, supplementary opening mechanism are integrated on the main body frame, windage arresting gear drive connecting rod mechanism power part is integrated in the box of main body frame intermediate position. The wind resistance plate rotating shaft driving mechanism is characterized in that two ends of a wind resistance plate rotating shaft of the driving connecting rod transmission mechanism are respectively connected to the wind resistance plate, the locking structure and the auxiliary opening mechanism, the wind resistance plate is arranged on the wind resistance plate rotating shaft through a swing arm, and the driving connecting rod transmission mechanism drives the swing arm through a connecting rod to realize that the wind resistance plate rotates around the wind resistance plate rotating shaft.
The driving connecting rod transmission mechanism comprises a cylinder connecting rod structure, an electric cylinder connecting rod structure and a manual operation mechanism, and the cylinder connecting rod structure is used for opening the locking mechanism and releasing the wind resistance plate when a vehicle applies braking; the electric cylinder connecting rod mechanism is used for recovering the wind resistance plate after braking is finished; and the manual operating mechanism is used for opening the wind resistance plate during maintenance. The cylinder connecting rod structure and the electric cylinder connecting rod structure are crossed in space but do not interfere with each other, and can operate independently.
The main body frame is provided with a rotating shaft support, and the rotating shaft of the wind resistance plate movably penetrates through the rotating shaft support through a bearing.
The damping device is characterized in that the spring damping actuator is arranged between the wind resistance plate and the main body frame and comprises a damping rod, an end head and a spring, one end head of the spring damping actuator is fixedly arranged on the swing arm of the lower surface of the wind resistance plate, and the other end head of the spring damping actuator is fixed on the main body frame. Thereby realizing the control of the rotating speed and the angle of the wind resistance plate. The damping rod is in threaded connection with the end head, and one end of the spring is fixedly arranged on the damping rod cylinder and is coaxial with the movable rod. The main body frame is fixedly provided with a mounting seat of a spring damping actuator, and the spring damping actuator is hinged on the mounting seat. The swing arm is fixedly provided with a mounting seat, and the end of the spring damping actuator is hinged with the connecting rod through the pin shaft.
Swing arm one end fixed mounting in the lower surface of windband, the other end is propped up through the key-type connection and is established in the windband pivot, swing arm and windband pivot are with the angular rotation.
The locking mechanism is installed on a support of the main body frame and comprises a cam, a shifting piece, a locking hook, a lock catch and a return spring, the wind resistance plate is fixed with the lock catch, the cam and the auxiliary opening mechanism are fixedly arranged on a rotating shaft of the wind resistance plate, the driving connecting rod transmission mechanism drives the cam and the auxiliary opening mechanism to rotate in a shaft mode, the cam overcomes spring force to push open the locking mechanism, and the auxiliary opening mechanism opens the wind resistance plate at a small angle, so that the wind resistance plate is opened under the action of air wind. The cam is fixedly arranged on the rotating shaft, the main body frame is fixedly provided with the lock hook and the plectrum mounting seat, the lock hook and the plectrum are hinged with the main body frame mounting seat through a pin shaft, one end of the reset spring is connected with the lock hook, and the other end of the reset spring is connected with the plectrum. The lock catch is mounted on the wind resistance plate. When the wind resistance plate is opened, the rotating shaft and the cam rotate to drive the shifting piece to move, and the shifting piece is extruded to enable the locking hook to rotate around the shaft pin to open and release the locking buckle on the wind resistance plate. When the lock is locked, the rotating shaft and the cam rotate to drive the shifting piece to act, the extrusion force is removed, and the elastic force of the reset spring enables the lock hook to reset.
The main body frame is provided with a mounting interface connected with a vehicle, is mounted at the top of the vehicle and is arranged along the longitudinal center line of the top of the vehicle; the top of the split wind resistance braking device is designed into a cambered surface, and the cambered surface is consistent with a roof camber line, so that sunken installation is realized; the wind resistance braking device is provided with the manual opening mechanism, so that the roof climbing opening maintenance operation under the working condition without a power source is realized. The wind resistance plates are arranged in opposite directions, the rotating shafts are mounted on the main body frame and rotate around the rotating shafts respectively, and then the two wind resistance plates can be opened and closed in the rotating directions of the shafts independently. According to different running directions of trains, each unit respectively opens the wind resistance plate on one side in a staggered mode, and the wind resistance plate on the other side is unlocked and then only opens a gap under the action of pneumatic pressure.
As shown in figures 1 and 2, the wind resistance braking device is designed to be an arc surface, the sinking type installation is matched with the arc surface of the roof of the train, and the wind resistance braking device is in a closed state when the train normally runs and does not influence the streamline shape of the train. As shown in fig. 3, the windage braking device opens the windage plate on one side in a staggered manner according to different running directions of the train (the arrow direction is the running direction of the train 29), and opens only a slight angle under the action of pneumatic pressure after the windage plate on the other side is unlocked, so that a staggered opening layout is realized. As shown in fig. 4, two wind resistance plates are included, which are arranged oppositely. An unlocking and recovery system of the wind resistance unit is integrated in the middle area, and the unlocking and recovery movement of the wind resistance plate is driven by a set of air source power (air cylinder) and power source power (electric cylinder) respectively. The method is characterized in that:
the main body frame 1 is provided with a mounting interface (fig. 7) mounted on the roof of the vehicle. A set of windage braking device contains two groups of windage boards 2 arranged on the object. The lock catch 4 is mounted on the wind resistance plate 2.
As shown in fig. 5, the driving link transmission mechanism is fixedly arranged in the box body of the main body frame, the box body is fixedly provided with a rotating shaft support, the cylinder is arranged on the rotating shaft, and the rotating shaft is movably arranged on the rotating shaft support in a penetrating way through a bearing. The cylinder ejector rod is connected with a crank, and the crank is fixedly arranged on the rotating shaft. The manual operating mechanism is fixedly arranged on the rotating shaft. The two cranks are fixedly arranged at the two ends of the rotating shaft in a staggered angle mode, the cranks are fixedly arranged on the unlocking rotating shaft, the cranks are connected through a connecting rod, and the unlocking rotating shaft is driven to rotate through the action of the cylinder ejector rod or the manual operating mechanism so as to enable the locking mechanism and the auxiliary opening mechanism to act. Similarly, the connecting rod mechanism is driven by the action of the electric cylinder ejector rod, and the wind resistance plate is jacked and pulled by the connecting rod mechanism so as to rotate around the rotating shaft.
The electric cylinder actuator 17 is fixedly arranged on the second rotating shaft 18, and a bearing is arranged between the two ends of the second rotating shaft 18 and the rotating shaft support of the main body frame. The front end of the electric cylinder actuator 17 is connected with a third crank 16, a bearing is arranged between the third crank 16 and a third rotating shaft 22, and the third crank 16 is provided with a stop block. The rotating shaft 7 of the wind resistance plate, the first crank 8, the first connecting rod 9 and the crank 21 are divided into a left group and a right group. The lower surface of the wind resistance plate 2 is connected with a first swing arm 3 and a second swing arm 5, and the first swing arm 3 and the second swing arm 5 are installed on a wind resistance plate rotating shaft 7. A rotating shaft support is arranged on the main body frame, and a bearing is arranged between the wind resistance plate rotating shaft 7 and the rotating shaft support. One end of the rotating shaft 7 of the wind resistance plate is connected with a first crank 8 through a key, the first crank 8 is connected with a first connecting rod 9 through a pin, the other end of the connecting rod is connected with a crank 21 through a pin, a bearing is arranged between the crank 21 and a third rotating shaft 22, and the crank 21 is provided with a stop block. When the electric cylinder actuator 17 acts, the third crank 16 is meshed with the stop block of the crank 21 to drive, so that the rotating shaft of the wind resistance plate acts, the swing arm is driven to coaxially rotate, and the wind resistance plate is recovered.
The cylinder actuator 14 is fixedly arranged on the first rotating shaft 11, and bearings are arranged between two ends of the first rotating shaft 11 and the main body frame rotating shaft support. The front end of the cylinder actuator 14 is connected with a second crank 15, the second crank 15 is connected with a fourth rotating shaft 24 through a key, and bearings are arranged between the two ends of the fourth rotating shaft 24 and the rotating shaft support of the main body frame. The fifth crank 23, the third connecting rod 21, the fourth crank 19, the unlocking rotating shaft 13, the auxiliary opening mechanism 12 and the locking mechanism are divided into a left group and a right group. The fourth shaft 24 is coaxially installed with the fifth crank 23 and the manual opening handle 10 in a staggered angle. One end of the second connecting rod 20 is connected with the fifth crank 23 through a pin shaft, the other end of the second connecting rod is connected with the fourth crank 19, the fourth crank 19 is connected with the unlocking rotating shaft 13 through a key, the auxiliary opening mechanism 12 and the cam 28 are coaxially installed on the unlocking rotating shaft 13, the shifting piece 27 and the lock hook 25 are installed on the main body frame support, one end of the reset spring 26 is connected with the shifting piece 27, and the other end of the reset spring is connected with the lock hook 25. When the cylinder actuator 14 is actuated, the fourth rotating shaft 24 is driven to move, so that the unlocking rotating shaft moves, and the locking structure is unlocked, and the auxiliary opening mechanism 12 opens the wind resistance plate by a small angle, as shown in fig. 6.
The spring damping actuators 6 are divided into two groups, left and right. The fixed end of the spring damping actuator 6 is connected with the main body frame support through a pin shaft, and the end of the spring damping actuator is connected with the second swing arm 5 of the wind resistance plate through a pin shaft. Each spring damper actuator has a damper push rod and a spring mounted at its active end. The spring mainly used assists the windage board to open to the maximum angle, and the damping rod is used for guaranteeing to avoid the impact of maximum angle position under the windage board opening speed prerequisite to reduce the damage to the device structure, improved reliability and security.
According to the structural characteristics, the function implementation process of the invention comprises the following steps:
when the train needs to be braked and started, the push rod is pushed outwards after the cylinder actuator receives a trigger signal (the trigger signal is triggered in case of power failure); the connecting rod cam on the rotating shaft is pushed through the stop block on the rotating shaft cam, and the connecting rods on two sides are driven to move (the cams on the connecting rods keep consistent rotation through measures such as shaft pins and the like); the connecting rod drives the cam on the unlocking rod to rotate, and the unlocking rod is connected with the locking mechanism and the jacking mechanism; the locking mechanism is unlocked, and meanwhile, the auxiliary opening mechanism jacks up the wind resistance plate to a specific starting angle; after the wind resistance plate is opened at a certain angle, the wind resistance plate is opened to the maximum angle through the spring thrust and the aerodynamic force.
When the train brake is finished and recovered: the wind resistance plate recovery mechanism is driven by an electric cylinder connecting rod mechanism. After the electric cylinder actuator receives the trigger signal, the push rod pushes outwards; the connecting rod cam on the rotating shaft is pushed through the stop block on the rotating shaft cam. When the wind resistance plate on one side is completely opened and the wind resistance plate on the other side is opened at a smaller angle, the stop blocks on the two sides of the cam can be contacted in sequence, and finally the wind resistance plate is driven to the closed position. After the cylinder actuator receives the trigger signal, the push rod is retracted, and the locking mechanism is locked; after the electric cylinder actuator receives the trigger signal, the push rod is retracted, and the blocking piece is restored to the initial position.
When the wind resistance plate needs to be opened under the condition that the conventional maintenance or unlocking actuator fails, the handle opening cover can be opened and the handle can be pulled up to drive the unlocking connecting rod mechanism, and the wind resistance plate is opened to the maximum angle through the thrust of the spring.
The embodiments described above are illustrative of the application of a windage brake to a high speed train and are not intended to limit the application in any way, and it will be readily apparent to those skilled in the art that various modifications can be made to the embodiments and the generic principles defined herein can be applied to other embodiments without the use of the inventive faculty. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the protection scope of the technical solution of the present application.
Claims (7)
1. A split wind resistance braking device is characterized in that: including windage board, drive connecting rod drive mechanism, locking mechanism, supplementary opening mechanism and main body frame, the windage board is equipped with two, and two windage board subtend are arranged, windage board, drive connecting rod drive mechanism, locking mechanism, supplementary opening mechanism are integrated on the main body frame, windage board pivot both ends are connected respectively in windage board, locking structure and supplementary opening mechanism among the drive connecting rod drive mechanism, the windage board is adorned in the windage board pivot through the swing arm, drive connecting rod drive mechanism drives the swing arm through the connecting rod and realizes that the windage board rotates around the windage board pivot.
2. The split wind resistance brake apparatus according to claim 1, wherein: the driving connecting rod transmission mechanism comprises a cylinder connecting rod structure, an electric cylinder connecting rod structure and a manual operation mechanism, and the cylinder connecting rod structure is used for opening the locking mechanism and releasing the wind resistance plate when a vehicle applies braking; the electric cylinder connecting rod mechanism is used for recovering the wind resistance plate after braking is finished; and the manual operating mechanism is used for opening the wind resistance plate during maintenance.
3. The split wind resistance brake apparatus according to claim 1, wherein: the main body frame is provided with a rotating shaft support, and the wind resistance plate rotating shaft and the unlocking rotating shaft are movably arranged on the rotating shaft support in a penetrating mode through a bearing.
4. The split wind resistance brake apparatus according to claim 1, wherein: the damping device is characterized in that the spring damping actuator is arranged between the wind resistance plate and the main body frame and comprises a damping rod, an end head and a spring, one end head of the spring damping actuator is fixedly arranged on the swing arm of the lower surface of the wind resistance plate, and the other end head of the spring damping actuator is fixed on the main body frame.
5. The split wind resistance brake apparatus according to claim 4, wherein: one end of the swing arm is fixedly arranged on the lower surface of the wind resistance plate, the other end of the swing arm is fixed on the rotating shaft of the wind resistance plate, and the swing arm and the rotating shaft of the wind resistance plate rotate at the same angle.
6. The split wind-resistant braking device according to claim 1 or 2, characterized in that: the locking mechanism is installed on a support of the main body frame and comprises a cam, a shifting piece, a locking hook, a locking buckle and a return spring, the wind resistance plate is fixed with the locking buckle, the cam and the auxiliary opening mechanism are fixedly arranged on a rotating shaft of the wind resistance plate, the driving connecting rod transmission mechanism drives the cam and the auxiliary opening mechanism to rotate in a shaft mode, the cam overcomes the spring force to push the shifting piece open, the auxiliary opening mechanism opens the wind resistance plate, and the wind resistance plate is opened under the action of air wind.
7. A split wind-resistant vehicle braking system using the split wind-resistant braking apparatus according to any one of claims 1 to 6, characterized in that: the main body frame is provided with a mounting interface connected with a vehicle, is mounted at the top of the vehicle and is arranged along the longitudinal center line of the top of the vehicle; the top of the split wind resistance braking device is designed into a cambered surface, and the cambered surface is consistent with a roof camber line, so that sunken installation is realized; according to different running directions of trains, each unit respectively opens the wind resistance plate on one side in a staggered mode, and the wind resistance plate on the other side is unlocked and then only opens a gap under the action of pneumatic pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110711446.5A CN113291347A (en) | 2021-06-25 | 2021-06-25 | Split wind resistance braking device and vehicle braking system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110711446.5A CN113291347A (en) | 2021-06-25 | 2021-06-25 | Split wind resistance braking device and vehicle braking system thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113291347A true CN113291347A (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110711446.5A Pending CN113291347A (en) | 2021-06-25 | 2021-06-25 | Split wind resistance braking device and vehicle braking system thereof |
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| Country | Link |
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| CN (1) | CN113291347A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895474A (en) * | 2021-11-21 | 2022-01-07 | 华设设计集团股份有限公司 | Novel high-speed train wind resistance braking device |
| 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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| CN106882169A (en) * | 2017-03-03 | 2017-06-23 | 同济大学 | Train wind resistance bidirectional braking device |
| CN108099944A (en) * | 2017-12-21 | 2018-06-01 | 南京中车浦镇海泰制动设备有限公司 | A kind of bullet train windage brake apparatus |
| CN109131421A (en) * | 2018-09-21 | 2019-01-04 | 中车青岛四方车辆研究所有限公司 | The two-way windage brake apparatus of bullet train |
| 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 |
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2021
- 2021-06-25 CN CN202110711446.5A patent/CN113291347A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882169A (en) * | 2017-03-03 | 2017-06-23 | 同济大学 | Train wind resistance bidirectional braking device |
| CN108099944A (en) * | 2017-12-21 | 2018-06-01 | 南京中车浦镇海泰制动设备有限公司 | A kind of bullet train windage brake apparatus |
| CN109131421A (en) * | 2018-09-21 | 2019-01-04 | 中车青岛四方车辆研究所有限公司 | The two-way windage brake apparatus of bullet train |
| 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 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895474A (en) * | 2021-11-21 | 2022-01-07 | 华设设计集团股份有限公司 | Novel high-speed train wind resistance braking device |
| CN113895474B (en) * | 2021-11-21 | 2022-09-06 | 华设设计集团股份有限公司 | Novel high-speed train wind resistance braking device |
| 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 |
| CN114655169B (en) * | 2022-04-15 | 2023-09-01 | 中国铁道科学研究院集团有限公司 | Supporting type opened air resistance braking device |
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Application publication date: 20210824 |
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| RJ01 | Rejection of invention patent application after publication |