CN111976754A - Double-deck windage arresting gear, double-deck cab structure and high-speed train - Google Patents
Double-deck windage arresting gear, double-deck cab structure and high-speed train Download PDFInfo
- Publication number
- CN111976754A CN111976754A CN202010856669.6A CN202010856669A CN111976754A CN 111976754 A CN111976754 A CN 111976754A CN 202010856669 A CN202010856669 A CN 202010856669A CN 111976754 A CN111976754 A CN 111976754A
- Authority
- CN
- China
- Prior art keywords
- cab
- wind resistance
- layer
- double
- braking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/04—Arrangement or disposition of driving cabins, footplates or engine rooms; Ventilation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/12—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action
- B60T1/16—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action by increasing air resistance, e.g. flaps
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a double-layer wind resistance braking device, a double-layer cab structure and a high-speed train, wherein the double-layer wind resistance braking device comprises an outer-layer wind resistance braking plate and an inner-layer wind resistance braking plate which are arranged in a variable cross section area of the train, the outer-layer wind resistance braking plate comprises a plurality of outer-layer braking unit plates which are transversely arranged along the outer contour of the variable cross section area, the inner-layer wind resistance braking plate comprises a plurality of inner-layer braking unit plates which are transversely arranged along the outer contour of the variable cross section area, an opening and closing driving mechanism is arranged on the cab of the high-speed train, and when the outer-layer wind resistance braking plate and the inner-layer wind resistance braking plate are opened, the inner-layer braking unit plates are positioned on the inner sides of the. The double-layer wind resistance braking device, the double-layer cab structure and the high-speed train are simple in structure, convenient to install and high in reliability, the requirement for braking force of the high-speed train in an emergency braking state can be met, and the problem that the braking force of the high-speed train is insufficient in emergency braking is solved.
Description
Technical Field
The invention relates to the technical field of rail transit equipment, in particular to a double-layer wind resistance braking device, a double-layer cab structure and a high-speed train.
Background
When the speed per hour of the traditional train in China is 120km, the air resistance accounts for about 40% of the total resistance; the blunt locomotive pulls an accelerating train consisting of accelerating coaches (the bottom of the train is exposed outside), and the air resistance accounts for about 75 percent of the total resistance when the speed per hour is 160 km; when the speed per hour is 300km/h, the air resistance accounts for about 85 percent of the total resistance. The air resistance of the train is in direct proportion to the square of the running speed of the train, the air resistance of the train is rapidly increased along with the increase of the running speed of the train, and the proportion of the air resistance of the train in the total resistance is also increased.
When the running speed of the high-speed train is increased from 300km/h to 350km/h, the kinetic energy of the train is increased by more than 40%, and the energy consumed by train braking is correspondingly increased by more than 40%. The traditional train braking mode is tread braking, disc braking or regenerative braking which depends on the adhesive force between wheel rails, and for high-speed trains with the running speed of 350km/h and above, the adhesive coefficient between the wheel rails decreases along with the increase of the running speed of the high-speed trains, namely, the braking distance of the trains is greatly prolonged when the trains brake at the speed of 350km/h, and the trains cannot stop within the traditional braking distance of 350 km/h.
The traditional braking mode can not meet the braking requirement of the high-speed train under the emergency conditions of earthquake or train collision and the like. The high-speed train braking technology is of great importance to safe operation of trains, and under the condition of earthquakes or collision of trains, the shorter the emergency braking distance of the high-speed train is, the safer the high-speed train can be, and the safety factor of passengers is higher. Therefore, there is a need to develop a new type of brake device to meet the requirement of high-speed train for braking force in emergency braking state.
Disclosure of Invention
The invention mainly aims to provide a double-layer wind resistance braking device, a double-layer cab structure and a high-speed train.
In order to achieve the purpose, the invention provides a double-layer wind resistance braking device, which comprises an outer layer wind resistance braking plate and an inner layer wind resistance braking plate which are arranged in a variable cross-section area of a cab of a high-speed train, wherein the outer layer wind resistance braking plate comprises a plurality of outer layer braking unit plates which are transversely arranged along the outer contour of the variable cross-section area, the inner layer wind resistance braking plate comprises a plurality of inner layer braking unit plates which are transversely arranged along the outer contour of the variable cross-section area, an opening and closing driving mechanism for independently closing or opening the outer layer braking unit plates and the inner layer braking unit plates is arranged on the cab of the high-speed train, when the outer layer wind resistance braking plate and the inner layer wind resistance braking plate are opened, the inner brake unit plate is positioned inside the outer brake unit plate and in the gap of the adjacent outer brake unit plate, when the outer layer wind resistance brake plate and the inner layer wind resistance brake plate are folded, the inner layer brake unit plate is positioned below the outer layer brake unit plate.
Furthermore, each row of outer layer wind resistance braking plates and one row of inner layer wind resistance braking plates form a group of double-layer wind resistance braking units, a plurality of groups of double-layer wind resistance braking units are arranged in the variable cross section area of the high-speed train cab, and the plurality of groups of double-layer wind resistance braking units are arranged in the variable cross section area of the high-speed train cab side by side along the length direction of the high-speed train cab.
Further, when the outer layer brake unit plate is folded, the streamline is consistent with the streamline of the variable cross-section area of the cab of the high-speed train; when the outer layer brake unit plate and the inner layer brake unit plate are opened, an included angle of 60-90 degrees is formed between the outer layer brake unit plate and the length direction of the cab of the high-speed train, and the outer layer brake unit plate and the inner layer brake unit plate are inclined upwards towards one side of a nose cone of the high-speed train.
Furthermore, each outer layer brake unit plate and each inner layer brake unit plate are connected with a U-shaped transmission arm, and the other end of the U-shaped transmission arm is connected with a rotating shaft of the opening and closing driving mechanism.
Furthermore, a step-shaped groove is transversely formed in the outer contour of the variable cross-section area at the upper edge of the cab of the high-speed train, and the outer layer brake unit plate and the inner layer brake unit plate are both arranged at the upper edge of the side wall of the step-shaped groove; the outer layer brake unit plate and the inner layer brake unit plate are accommodated in the stepped groove when being folded.
Furthermore, the opening and closing driving mechanism is a motor and is arranged in a mounting groove at the upper edge of the side wall of the stepped groove; the inner sides of the outer layer brake unit plate and the inner layer brake unit plate are both provided with a plurality of reinforcing ribs.
Furthermore, a step boss is transversely arranged on the bottom surface of the step-shaped groove along the profile of the variable cross-section area of the cab of the high-speed train, and the bottom surface of the step-shaped groove is in a step shape which is reduced towards the nose cone of the high-speed train.
According to another aspect of the invention, the double-layer cab structure of the high-speed train comprises a cab body, wherein the double-layer wind resistance braking device is installed in a variable cross-section area of the cab body, the cab body comprises a cab inner layer steel structure, the cab inner layer steel structure is a non-streamlined steel structure, a stepped groove framework and a stepped boss framework are arranged at the front end of the cab inner layer steel structure, a non-streamlined sealing skin is installed on the outer side of the cab inner layer steel structure, the non-streamlined sealing skin is covered on the stepped groove framework to form a stepped groove, and the non-streamlined sealing skin is covered on the stepped boss framework to form a stepped boss.
Further, the cab body further comprises an outer steel structure of the cab, the outer steel structure of the cab is a streamline steel structure, the outer steel structure of the cab is arranged on the outer side of the non-streamline sealing skin, and the non-streamline sealing skin is provided with unit plate placing holes used for placing the outer braking unit plates and the inner braking unit plates.
According to another aspect of the invention, a high-speed train is provided, which comprises a head train, a middle train and a tail train, wherein the double-layer wind resistance braking device or the double-layer cab structure of the high-speed train is mounted on each of the head train and the tail train.
By applying the technical scheme of the invention, the outer layer wind resistance brake plate and the inner layer wind resistance brake plate are transversely arranged in the variable cross section area of the cab of the high-speed train along the outer contour of the variable cross section area; the outer layer brake unit plate and the inner layer brake unit plate are independently folded or unfolded through the opening and closing driving mechanism; when the outer layer wind resistance brake plate and the inner layer wind resistance brake plate are opened, the inner layer brake unit plate is positioned on the inner side of the outer layer brake unit plate and in a gap between the adjacent outer layer brake unit plates so as to further improve the pneumatic resistance generated by the wind resistance brake device; when the outer layer wind resistance brake plate and the inner layer wind resistance brake plate are folded, the inner layer brake unit plate is positioned below the outer layer brake unit plate; the double-layer wind resistance braking device is simple in structure, convenient to install and high in reliability, can meet the requirement for braking force of a high-speed train in an emergency braking state, and solves the problem that the braking force of the high-speed train is insufficient in emergency braking.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the double-layer wind resistance braking device of the invention when the double-layer wind resistance braking device is opened.
Fig. 2 is a schematic structural view of the double-layer wind resistance braking device of the present invention when folded.
Fig. 3 is a schematic structural view of an inner steel structure of the cab in the double-deck cab structure of the invention.
Fig. 4 is a schematic structural diagram of a bluff-seal skin in the double-deck cab structure of the invention.
Fig. 5 is a structural schematic view of an outer layer steel structure of the cab in the double-layer cab structure of the invention.
Fig. 6 is a schematic structural diagram of a high-speed train according to the present invention.
Wherein the figures include the following reference numerals:
1. an outer layer wind resistance brake plate; 2. an inner layer wind resistance brake plate; 3. an opening and closing drive mechanism; 4. a U-shaped transmission arm; 11. an outer brake element plate; 21. an inner brake unit plate; 30. a cab body; 31. a nose cone; 32. a step-shaped groove; 33. the inner steel structure of the cab; 34. a non-streamlined seal skin; 35. an outer steel structure of the cab; 100. turning on a head; 200. intermediate vehicle; 300. tail vehicle; 323. a stepped boss; 331. a step-shaped groove framework; 332. a stepped boss framework; 351. the unit plate placing hole.
Detailed Description
In order to facilitate an understanding of the invention, the invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The use of the words "a" or "an" and the like in the description and claims of the present patent application do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" and "coupled" and the like are not restricted to direct connections, but may be indirectly connected through other intermediate connections. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Referring to fig. 1 to 5, a double-layer wind resistance braking device according to an embodiment of the present invention mainly includes an outer layer wind resistance braking plate 1 and an inner layer wind resistance braking plate 2 installed in a variable cross-section area of a cab of a high-speed train. The outer layer wind resistance brake plate 1 comprises a plurality of outer layer brake unit plates 11 which are transversely arranged along the outer contour of the variable cross-section area; the inner layer wind resistance brake plate 2 comprises a plurality of inner layer brake unit plates 21 which are transversely arranged along the outer contour of the variable cross-section area; an opening and closing driving mechanism 3 for independently closing or opening the outer layer brake unit plate 11 and the inner layer brake unit plate 21 is arranged on the cab of the high-speed train; when the outer layer wind resistance brake plate 1 and the inner layer wind resistance brake plate 2 are opened, the inner layer brake unit plate 21 is positioned at the inner side of the outer layer brake unit plate 11 and positioned in the gap of the adjacent outer layer brake unit plate 11; when the outer layer wind resistance brake plate 1 and the inner layer wind resistance brake plate 2 are folded, the inner layer brake unit plate 21 is positioned below the outer layer brake unit plate 11.
The double-layer wind resistance braking device is characterized in that an outer layer wind resistance braking plate 1 and an inner layer wind resistance braking plate 2 are transversely arranged in a variable cross-section area of a cab of a high-speed train along the outer contour of the variable cross-section area; the outer layer brake unit plate 11 and the inner layer brake unit plate 21 are independently folded or unfolded through the opening and closing driving mechanism 3; when the outer layer wind resistance brake plate 1 and the inner layer wind resistance brake plate 2 are opened, the inner layer brake unit plate 21 is positioned on the inner side of the outer layer brake unit plate 11 and in a gap between the adjacent outer layer brake unit plates 11 so as to further improve the pneumatic resistance generated by the wind resistance brake device; when the outer layer wind resistance brake plate 1 and the inner layer wind resistance brake plate 2 are folded, the inner layer brake unit plate 21 is positioned below the outer layer brake unit plate 11; the double-layer wind resistance braking device is simple in structure, convenient to install and high in reliability, can meet the requirement for braking force of a high-speed train in an emergency braking state, and solves the problem that the braking force of the high-speed train is insufficient in emergency braking.
Specifically, referring to fig. 1 and 2, in the present embodiment, each row of outer layer windage brake blades 1 and each row of inner layer windage brake blades 2 form a set of double-layer windage brake units; a plurality of groups of double-layer wind resistance braking units are arranged in the variable cross-section area of the cab of the high-speed train; and the double-layer wind resistance braking units are arranged in parallel in the variable cross-section area of the high-speed train cab along the length direction of the high-speed train cab. By the arrangement, the overall pneumatic resistance generated by the double-layer wind resistance braking device can be further improved, and the braking force of the high-speed train in an emergency braking state can be further improved.
In the embodiment, when the outer brake unit plate 11 is folded, the streamline is consistent with the streamline of the variable cross-section area of the cab of the high-speed train; therefore, when the high-speed train normally runs, the outer-layer brake unit plate 11 is folded and closed, the outer-layer brake unit plate 11 as a part of the cab is fused with the streamline appearance structure of the cab, and extra aerodynamic resistance cannot be generated. When the outer layer brake unit plate 11 and the inner layer brake unit plate 21 are opened, an included angle of 60-90 degrees is formed between the outer layer brake unit plate 11 and the inner layer brake unit plate 21 and the length direction of the cab of the high-speed train, and the outer layer brake unit plate 11 and the inner layer brake unit plate 21 incline upwards towards one side of a nose cone 31 of the high-speed train. According to the arrangement, when the high-speed train is emergently braked, the outer-layer brake unit plate 11 is rapidly opened under the driving of the opening and closing driving mechanism 3, meanwhile, the streamline appearance structure of the cab of the train is changed, and the air pressure difference resistance and the air friction resistance are generated through the change of the structure appearance of the cab and the outer-layer brake unit plate 11 and the inner-layer brake unit plate 21, so that the braking force of the high-speed train is rapidly increased.
Specifically, in the present embodiment, each of the outer brake unit plates 11 and each of the inner brake unit plates 21 are connected to a U-shaped transmission arm 4, and the other end of the U-shaped transmission arm 4 is connected to the rotation shaft of the opening and closing drive mechanism 3. The U-shaped transmission arm 4 is driven to swing through the rotation of the rotating shaft of the opening and closing driving mechanism 3, and then each outer layer brake unit plate 11 and each inner layer brake unit plate 21 are driven to be independently folded or unfolded.
Referring to fig. 1, in the present embodiment, a stepped groove 32 is transversely formed on the outer contour of the variable cross-section area at the upper edge of the cab of the high-speed train, and both the outer-layer brake unit panel 11 and the inner-layer brake unit panel 21 are mounted at the upper edge of the side wall of the stepped groove 32; the outer brake element plate 11 and the inner brake element plate 21 are received in the stepped recess 32 when folded together. By the arrangement, the stepped groove 32 on the variable cross-section area of the cab of the high-speed train can be used for increasing the windward area of the cab, and the wind resistance braking force is improved under the combined action of the stepped groove 32, the outer layer braking unit plate 11 and the inner layer braking unit plate 21; on the other hand, installation space can be provided for the opening and closing driving mechanisms 3 of the outer layer brake unit plate 11 and the inner layer brake unit plate 21, so that the outer layer brake unit plate 11, the inner layer brake unit plate 21 and the opening and closing driving mechanisms 3 are well integrated with the train, and the streamline appearance of the train under the normal running condition is kept.
Specifically, in the present embodiment, the opening and closing driving mechanism 3 is a motor, and the opening and closing driving mechanism 3 is installed in the installation groove at the upper edge of the sidewall of the stepped groove 32. When emergency braking is needed in an emergency situation, the double-layer wind resistance braking device can be automatically or manually controlled to be quickly opened through the motor; after danger is over, the double-layer wind resistance braking device can be restored to the original state through the control system. A plurality of reinforcing ribs are arranged on the inner sides of the outer layer brake unit plate 11 and the inner layer brake unit plate 21, so that the structural strength of the outer layer brake unit plate 11 and the inner layer brake unit plate 21 is improved.
In this embodiment, a stepped boss 323 is transversely disposed on the bottom surface of the stepped groove 32 along the contour of the variable cross-section area of the cab of the high-speed train, and the stepped boss 323 is semi-circular along the contour of the cab in the variable cross-section area of the cab, so that the bottom surface of the stepped groove 32 is stepped and is reduced toward the nose cone 31 of the high-speed train. So set up, can further increase the aerodynamic drag of train cab to improve windage braking effect.
Referring to fig. 1 to 5, the high-speed train double-deck cab structure according to the embodiment of the invention includes a cab body 30, and the double-deck wind resistance braking device according to the invention is installed in a variable cross-section area of the cab body 30. The cab body 30 comprises a cab inner layer steel structure 33, the cab inner layer steel structure 33 is a non-streamline steel structure, and a stepped groove framework 331 and a stepped boss framework 332 are arranged at the front end of the cab inner layer steel structure 33; and a non-streamline sealing skin 34 is arranged on the outer side of the cab inner layer steel structure 33, the non-streamline sealing skin 34 is covered on the stepped groove framework 331 to form a stepped groove 32, and the non-streamline sealing skin 34 is covered on the stepped boss framework 332 to form a stepped boss 323. So set up, design into the non-streamlined steel construction with cab inlayer steel construction 33, cover on the notch cuttype recess skeleton 331 and the ladder boss skeleton 332 of cab inlayer steel construction 33 and establish non-streamlined sealed covering 34 to form notch cuttype recess 32 and ladder boss 323, outer braking cell board 11, inlayer braking cell board 21 of easy to assemble and actuating mechanism 3 opens and shuts, and improve the windage braking effect of high-speed train cab structure. A layer of streamline sealing skin 34 is covered on the outer side of the cab inner steel structure 33, so that the vehicle body can be kept sealed.
Further, referring to fig. 5, in the present embodiment, the cab body 30 further includes a cab outer layer steel structure 35, and the cab outer layer steel structure 35 is a streamline steel structure; the cab outer layer steel structure 35 is installed on the outer side of the bluff seal skin 34, and a unit plate placing hole 351 for placing the outer layer brake unit plate 11 and the inner layer brake unit plate 21 is further formed in the bluff seal skin 34. The unit plate placing hole 351 corresponds to the position of the stepped groove 32 and corresponds to the positions of the outer layer braking unit plate 11 and the inner layer braking unit plate 21, and when the outer layer wind resistance braking plate 1 and the inner layer wind resistance braking plate 2 are folded, the outer layer braking unit plate 11 and the inner layer braking unit plate 21 are placed in the unit plate placing hole 351, so that the streamline of the outer layer braking unit plate 11 and the streamline of the outer layer steel structure 35 of the cab are consistent.
Referring to fig. 6, a high-speed train using the double-layer wind resistance braking device or the double-layer cab structure of the present invention includes a head car 100, a middle car 200, and a tail car 300, wherein the head car 100 is connected to the middle car 200, and the other end of the middle car 200 is connected to the tail car 300; the double-layer wind resistance braking device or the double-layer cab structure of the above-described embodiment of the invention is provided on both the head car 100 and the tail car 300.
In the high-speed train, the double-layer wind resistance braking device or the double-layer cab structure is arranged on the head train 100 and the tail train 300 of the high-speed train, and the pneumatic resistance generated by the high-speed train is higher than that provided by the wind resistance braking devices arranged at other parts of the train body due to the fact that the incoming flow speed in front of the variable cross-section area of the cab is higher; when the high-speed train normally runs, the outer layer wind resistance brake plate 1 and the inner layer wind resistance brake plate 2 are closed, and form a whole with the streamline appearance of the cab structure of the head-tail train, so that the cross section area of the train cannot be increased, and extra pneumatic resistance cannot be generated; when the high-speed train is emergently braked, the outer layer wind resistance brake plate 1 and the inner layer wind resistance brake plate 2 on the cab structure of the head-tail train are quickly opened, which is equivalent to changing the streamline appearance structure of the head-tail train, and larger train braking force is provided by generating air pressure difference resistance and air friction resistance through the outer layer wind resistance brake plate 1 and the inner layer wind resistance brake plate 2; meanwhile, the streamline structure of the train head is changed into an internal cab steel structure after the outer layer wind resistance braking plate 1 and the inner layer wind resistance braking plate 2 are opened, and the air resistance can be increased due to the non-streamline internal cab structure, so that the wind resistance braking effect is further improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The double-layer wind resistance braking device is characterized by comprising an outer layer wind resistance braking plate (1) and an inner layer wind resistance braking plate (2) which are arranged in a variable cross section area of a high-speed train cab, wherein the outer layer wind resistance braking plate (1) comprises a plurality of outer layer braking unit plates (11) which are transversely arranged along the outer contour of the variable cross section area, the inner layer wind resistance braking plate (2) comprises a plurality of inner layer braking unit plates (21) which are transversely arranged along the outer contour of the variable cross section area, an opening and closing driving mechanism (3) which is used for independently drawing or opening the outer layer braking unit plates (11) and the inner layer braking unit plates (21) is arranged on the high-speed train cab, when the outer layer wind resistance braking plate (1) and the inner layer wind resistance braking plate (2) are opened, the inner layer braking unit plates (21) are positioned on the inner sides of the outer layer braking unit plates (11) and in gaps between the adjacent outer layer braking unit plates (11), when the outer layer wind resistance brake plate (1) and the inner layer wind resistance brake plate (2) are folded, the inner layer brake unit plate (21) is positioned below the outer layer brake unit plate (11).
2. The double-layer wind resistance brake device according to claim 1, wherein each row of the outer layer wind resistance brake plate (1) and each row of the inner layer wind resistance brake plate (2) form a group of double-layer wind resistance brake units, a plurality of groups of double-layer wind resistance brake units are arranged in a variable cross-section area of the high-speed train cab, and the groups of double-layer wind resistance brake units are arranged in the variable cross-section area of the high-speed train cab side by side along the length direction of the high-speed train cab.
3. The double-layer wind resistance brake device according to claim 1, wherein the outer layer brake unit plate (11) is in the same streamline with the variable cross-section area of the high-speed train cab when folded; when the outer layer brake unit plate (11) and the inner layer brake unit plate (21) are opened, an included angle of 60-90 degrees is formed between the outer layer brake unit plate and the length direction of the cab of the high-speed train, and the outer layer brake unit plate (11) and the inner layer brake unit plate (21) incline upwards towards one side of a nose cone (31) of the high-speed train.
4. The double-layer wind resistance brake device according to claim 1, wherein each outer brake unit plate (11) and each inner brake unit plate (21) are connected with a U-shaped transmission arm (4), and the other end of the U-shaped transmission arm (4) is connected with a rotating shaft of the opening and closing driving mechanism (3).
5. The double-layer wind resistance brake device according to any one of claims 1-4, wherein a stepped groove (32) is transversely arranged on the outer contour of the variable cross-section area of the upper edge of the high-speed train cab, and the outer brake unit plate (11) and the inner brake unit plate (21) are both arranged on the upper edge of the side wall of the stepped groove (32); the outer layer brake unit plate (11) and the inner layer brake unit plate (21) are accommodated in the stepped groove (32) when being folded.
6. The double-layer wind resistance brake device according to claim 5, characterized in that the opening and closing driving mechanism (3) is a motor, and the opening and closing driving mechanism (3) is installed in an installation groove at the upper edge of the side wall of the stepped groove (32); the inner sides of the outer layer brake unit plate (11) and the inner layer brake unit plate (21) are provided with a plurality of reinforcing ribs.
7. The double-layer wind resistance brake device according to claim 5, characterized in that a step boss (323) is transversely arranged on the bottom surface of the stepped groove (32) along the contour of the variable cross-section area of the cab of the high-speed train, and the bottom surface of the stepped groove (32) is in a step shape which is reduced towards the nose cone (31) of the high-speed train.
8. A double-layer cab structure of a high-speed train comprises a cab body (30) and is characterized in that, the variable cross-section area of the cab body (30) is provided with the double-layer wind resistance braking device as claimed in any one of claims 1-7, the cab body (30) comprises a cab inner steel structure (33), the cab inner steel structure (33) is a non-streamline steel structure, the front end of the inner steel structure (33) of the cab is provided with a step-shaped groove framework (331) and a step-shaped boss framework (332), a non-streamlined sealing skin (34) is arranged on the outer side of the cab inner layer steel structure (33), the non-streamlined sealing skin (34) is covered on the stepped groove framework (331) to form a stepped groove (32), the non-streamlined sealing skin (34) is covered on the stepped boss framework (332) to form a stepped boss (323).
9. The double-deck cab structure of the high-speed train as claimed in claim 8, wherein the cab body (30) further comprises an outer steel structure (35) of the cab, the outer steel structure (35) of the cab is a streamline steel structure, the outer steel structure (35) of the cab is installed outside the non-streamline sealing skin (34), and the non-streamline sealing skin (34) is provided with unit plate placing holes (351) for placing the outer braking unit plates (11) and the inner braking unit plates (21).
10. A high-speed train comprising a head car (100), a middle car (200) and a tail car (300), wherein the head car (100) and the tail car (300) are both provided with the double-layer wind resistance braking device according to any one of claims 1-7 or the double-layer cab structure of the high-speed train according to claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010856669.6A CN111976754B (en) | 2020-08-24 | 2020-08-24 | Double-deck windage arresting gear, double-deck cab structure and high-speed train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010856669.6A CN111976754B (en) | 2020-08-24 | 2020-08-24 | Double-deck windage arresting gear, double-deck cab structure and high-speed train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111976754A true CN111976754A (en) | 2020-11-24 |
| CN111976754B CN111976754B (en) | 2021-11-02 |
Family
ID=73443734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010856669.6A Active CN111976754B (en) | 2020-08-24 | 2020-08-24 | Double-deck windage arresting gear, double-deck cab structure and high-speed train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111976754B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997964A (en) * | 2021-11-29 | 2022-02-01 | 中南大学 | Train drag increasing and reducing device based on vortex generator |
| CN117141545A (en) * | 2023-10-21 | 2023-12-01 | 兰州交通大学 | Side wind resistant block type wind resistance braking device and standard layout method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2138413C1 (en) * | 1998-06-08 | 1999-09-27 | Петербургский государственный университет путей сообщения | High speed train aerodynamic brake |
| KR20080059978A (en) * | 2006-12-26 | 2008-07-01 | 한국철도기술연구원 | Air brake for railway vehicles |
| CN107985332A (en) * | 2017-09-13 | 2018-05-04 | 同济大学 | A kind of high-speed maglev train sure brake system |
| CN109849873A (en) * | 2019-01-17 | 2019-06-07 | 同济大学 | A kind of hardened structure of umbrella windage for rail vehicle braking |
-
2020
- 2020-08-24 CN CN202010856669.6A patent/CN111976754B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2138413C1 (en) * | 1998-06-08 | 1999-09-27 | Петербургский государственный университет путей сообщения | High speed train aerodynamic brake |
| KR20080059978A (en) * | 2006-12-26 | 2008-07-01 | 한국철도기술연구원 | Air brake for railway vehicles |
| CN107985332A (en) * | 2017-09-13 | 2018-05-04 | 同济大学 | A kind of high-speed maglev train sure brake system |
| CN109849873A (en) * | 2019-01-17 | 2019-06-07 | 同济大学 | A kind of hardened structure of umbrella windage for rail vehicle braking |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997964A (en) * | 2021-11-29 | 2022-02-01 | 中南大学 | Train drag increasing and reducing device based on vortex generator |
| CN117141545A (en) * | 2023-10-21 | 2023-12-01 | 兰州交通大学 | Side wind resistant block type wind resistance braking device and standard layout method thereof |
| CN117141545B (en) * | 2023-10-21 | 2024-04-23 | 兰州交通大学 | Side wind resistant block type wind resistance braking device and standard layout method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111976754B (en) | 2021-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111976754B (en) | Double-deck windage arresting gear, double-deck cab structure and high-speed train | |
| CN108162995B (en) | Air guide device and method for reducing air pressure difference resistance by using same | |
| CN103213599A (en) | Wind resistance braking device applied to high-speed train | |
| CN203318423U (en) | Emergency evacuation door allowing being turned over downwards and being opened sideways | |
| CN103241225B (en) | Single wing plate operated aerodynamic braking device | |
| CN104590309A (en) | Two-way wind resistance braking device for high-speed motor train unit | |
| CN103085783B (en) | High-speed bullet train with end plates and air brake ground effect wings | |
| CN111976755B (en) | High-speed train cab with wind resistance braking device and high-speed train | |
| CN102530016B (en) | Double-wing-plate action type aerodynamic braking device | |
| CN113264070B (en) | Inter-city train is with vortex device | |
| CN206942932U (en) | A kind of centrifugal wind power generating set with vertical shaft of railway freight-car and goods train carriage | |
| RU2409488C1 (en) | Railway car | |
| CN109895802A (en) | High-Speed Trains, which keep out the wind, hinders brake apparatus | |
| CN102765394A (en) | Low-air-pressure aerotrain | |
| CN103085837A (en) | Brake parachute braking device for high-speed train | |
| CN209441375U (en) | A kind of outer display installation structure of rail vehicle | |
| CN218805794U (en) | Modular high-speed train head | |
| CN109250003B (en) | Motor vehicle with double air guiding devices and method for operating an air guiding device | |
| CN104986174B (en) | The guider of train bogie fairing | |
| CN201914257U (en) | Fully closed vestibule type outer diaphragm for high-speed railway passenger vehicles | |
| CN102556105B (en) | Hydraulic drive aerodynamic brake device with single wing plate | |
| CN207538661U (en) | A kind of flat-open type safety device for platform door system | |
| CN107165784A (en) | A kind of centrifugal wind power generating set with vertical shaft of railway freight-car and goods train carriage | |
| CN204323385U (en) | The two-way windage brake of high ferro train | |
| CN209553185U (en) | The Evacuation system of vacuum magnetic levitation pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |