CN102923161B - Windage brake unit and use the multiple unit train body of this windage brake unit - Google Patents

Windage brake unit and use the multiple unit train body of this windage brake unit Download PDF

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Publication number
CN102923161B
CN102923161B CN201210460635.0A CN201210460635A CN102923161B CN 102923161 B CN102923161 B CN 102923161B CN 201210460635 A CN201210460635 A CN 201210460635A CN 102923161 B CN102923161 B CN 102923161B
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CN
China
Prior art keywords
windage
keep plate
brake unit
fixing seat
drive rod
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Expired - Fee Related
Application number
CN201210460635.0A
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Chinese (zh)
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CN102923161A (en
Inventor
滕世平
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Guangzhou Railway Polytechnic
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Guangzhou Railway Polytechnic
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Priority to CN201210460635.0A priority Critical patent/CN102923161B/en
Publication of CN102923161A publication Critical patent/CN102923161A/en
Application granted granted Critical
Publication of CN102923161B publication Critical patent/CN102923161B/en
Expired - Fee Related legal-status Critical Current
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Abstract

A kind of windage brake unit, including windage keep plate and driving mechanism;Described driving mechanism includes drive rod, and described drive rod is articulated with described windage keep plate;One end of described windage keep plate is articulated with fixing seat, and is driven by described drive rod and can rotate around fixing seat。Described windage keep plate can rotate corresponding angle around described fixing seat, and during air flow direction windage keep plate, windage keep plate produces certain air drag;And promoting windage keep plate to rotate either directly through drive rod, required driving force is little, improves efficiency, saves the energy;Windage keep plate is symmetrically arranged on the framed side wallboard of multiple unit train body both sides, and the balance of motor-car is fine;Rainwater, dust and other impurities will not fall into windage brake unit and affect the malfunctioning of windage brake unit, long service life;And the erection space of multiple unit train body both sides is wide, thus conveniently installing and using。

Description

Windage brake unit and use the multiple unit train body of this windage brake unit
Technical field
The present invention relates to car braking technology field, particularly relate to windage brake unit and use the multiple unit train body of this windage brake unit。
Background technology
Traditional train braking form is to rely between wheel track the tread brake of adhesion, disc braking, regenerative braking or resistive braking, but the adhesion coefficient between wheel track declines along with the raising of train speed, this decline becomes apparent from when train speed is higher than 250km/h。Along with a large amount of operations of the domestic and international train speed EMU more than 250km/h, traditional braking model can not meet the EMU braking needs under the state of emergency。
Summary of the invention
Based on this, it is necessary to for the problem that traditional braking form can not meet EMU braking needs, it is provided that a kind of windage brake unit and use the EMUs of this windage brake unit。
A kind of windage brake unit, including windage keep plate and driving mechanism;Described driving mechanism includes drive rod, and described drive rod is articulated with described windage keep plate;One end of described windage keep plate is articulated with fixing seat, and is driven by described drive rod and can rotate around fixing seat。
Wherein in an embodiment, the hinged hinge position scope of described drive rod and described windage keep plate is arranged at from described windage keep plate away from one end of described fixing seat in the middle part of described windage keep plate。
Wherein in an embodiment, including installing mechanism, described driving mechanism is contained in described installing mechanism, and described fixing seat is arranged at described installing mechanism;When described windage keep plate is contained in described installing mechanism, windage keep plate upper surface is less than edge on described installing mechanism opening。
Wherein in an embodiment, described driving mechanism includes axially-movable output device, and described axially-movable output device is articulated with retentive base;Described drive rod includes push rod, the first strut and the second strut, and described push rod is connected to described axially-movable output device outfan;Described first strut one end is articulated with described windage keep plate, and the other end is articulated with described push rod;Described second strut one end is articulated with described installing mechanism, and the other end is articulated with described push rod。
Wherein in an embodiment, what described windage keep plate rotated around described fixing seat can gyration be 30 degree ~ 90 degree。
Wherein in an embodiment, described axially-movable output device is hydraulic cylinder or cylinder。
A kind of multiple unit train body, including windage brake unit as described in claim 1 to 6 any one, described windage brake unit is symmetrically arranged on the framed side wallboard of multiple unit train body both sides。
Wherein in an embodiment, described windage brake unit forward and the framed side wallboard being reversely alternately symmetrically arranged on described multiple unit train body both sides。
Wherein in an embodiment, when described windage brake unit does not work, the framed side wallboard flush of windage keep plate upper surface and described multiple unit train body。
Above-mentioned windage brake unit, provides power by driving mechanism, and described windage keep plate can rotate corresponding angle around described fixing seat, and during air flow direction windage keep plate, windage keep plate produces certain resistance, stops the flowing of air-flow, thus producing air drag;And promoting windage keep plate to rotate either directly through drive rod, compare the windage keep plate indirectly promoting windage keep plate to rotate, the driving force needed for being produced identical moment is little, simple in construction, also improves efficiency, saves the energy。
Windage keep plate is symmetrically arranged on the framed side wallboard of multiple unit train body both sides, the direction of motion of motor-car is in opposite direction with the air drag of generation, thus motor-car is produced brake force, make motor-car obtain the additional braking force except traditional braking power, meet the demand of EMU braking;And owing to windage brake unit is symmetrically installed, the ride characteristic of original motor-car will not be changed, the balance of motor-car is fine;In the process travelled, the risk that rainwater, dust and other impurities will not fall into windage brake unit and cause windage brake unit malfunctioning, long service life;And the erection space of multiple unit train body both sides is wide, thus conveniently installing and using。
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment windage brake unit;
Fig. 2 is a structural representation during embodiment windage brake unit job;
Fig. 3 is the structural representation of another embodiment windage brake unit;
Fig. 4 is the structural representation during work of another embodiment windage brake unit;
Fig. 5 is the structural representation that an embodiment uses the multiple unit train body of windage brake unit;
Fig. 6 is the structural representation that another embodiment uses the multiple unit train body of windage brake unit。
Detailed description of the invention
Such as Fig. 1 with as in figure 2 it is shown, a kind of windage brake unit 100, including windage keep plate 120 and driving mechanism 140;Described driving mechanism 140 includes drive rod 142, and described drive rod 142 is articulated with described windage keep plate 120;One end of described windage keep plate 120 is articulated with fixing seat 200, and is driven by described drive rod 142 and can rotate around fixing seat 200。
Specifically, windage keep plate 120 being provided with mounting seat, mounting seat includes the first mounting seat 122 and the second mounting seat 124, and described first mounting seat 122 is hinged with described fixing seat 200, and described second mounting seat 124 is hinged with described drive rod 142。In the present embodiment, described mounting seat is one-body molded with described windage keep plate 120, makes windage brake unit 100 structure simpler, and performance is safer。
Should be understood that, arranging mounting seat is to make windage keep plate 120 be connected more convenient with driving mechanism 140, in other embodiments, mounting seat can also be not provided with, directly by hinged to described windage keep plate 120 and described fixing seat 200 and/or by hinged with described drive rod 142 for described windage keep plate 120。
In the present embodiment, including installing mechanism 160, described driving mechanism 140 is contained in described installing mechanism 160, and described fixing seat 200 is arranged at described installing mechanism 160;When described windage keep plate 120 is contained in described installing mechanism 160, windage keep plate 120 upper surface is less than edge on described installing mechanism 160 opening。Driving mechanism 140 is hinged with installing mechanism 160, and installing mechanism 160 is hinged with windage keep plate 120 by fixing seat 200。When windage brake unit 100 works, driving mechanism 140 drives drive rod 142 to stretch out installing mechanism 160, promotes windage keep plate 120 to rotate around fixing seat 200。When windage brake unit 100 does not work, driving mechanism 140 is contained in installing mechanism 160, and windage keep plate 120 upper surface is less than edge on described installing mechanism 160 opening。Setting by installing mechanism 160, it is simple to installing and using of windage brake unit 100, and windage keep plate 120, driving mechanism 140 and installing mechanism 160 can be one-body molded, it is simple to manufacture processing, save cost。
Should be understood that, installing mechanism 160 can also be not provided with, arranging fixing seat 200 on the motor-car body using windage brake unit 100, be directly installed on multiple unit train body by windage brake unit 100 by fixing seat 200, this has no effect on the use of windage brake unit 100。
Above-mentioned windage brake unit 100, provides power by driving mechanism 140, and described windage keep plate 120 can rotate corresponding angle around described fixing seat 200, during air flow direction windage keep plate 120, windage keep plate 120 produces certain resistance, stops the flowing of air-flow, thus producing air drag;And promoting windage keep plate 120 to rotate either directly through drive rod 142, compare the windage keep plate 120 indirectly promoting windage keep plate 120 to rotate, the driving force needed for being produced identical moment is little, simple in construction, also improves efficiency, saves the energy。
If Fig. 1 is to as shown in Figure 2, wherein in an embodiment, described drive rod 142 hinge 130 hinged with described windage keep plate 120 is arranged at from described windage keep plate 120 away from one end of described fixing seat 200 to the position range in the middle part of described windage keep plate 120。When windage brake unit 100 works, windage keep plate 120 is under the promotion of drive rod 142, rotate certain angle, and air drag produced by windage keep plate 120 rotation direction and air flow direction is contrary, windage keep plate 120 produces the moment acting on drive rod 142 away from one end of fixing seat 200 around described hinge 130。Thus, when hinge 130 scope that described drive rod 142 and described windage keep plate 120 are hinged be arranged at from described windage keep plate 120 away from one end of described fixing seat 200 to position range in the middle part of described windage keep plate 120 time, act on the moment on drive rod 142 less, and described drive rod 142 hinge 130 hinged with described windage keep plate 120 from described fixing seat 200 more away from, produced moment is more little。Therefore, reduce drive rod 142 and act on the moment on drive rod 142 and the risk that ruptures, improve the service life of windage brake unit 100。It should be appreciated that hinge 30 is arranged at other positions of windage keep plate 120 has no effect on the use of described windage brake unit 100。
Such as Fig. 3 and as shown in Figure 4, wherein in an embodiment, described driving mechanism 140 includes axially-movable output device 144, and described axially-movable output device 144 is articulated with described fixing seat 200;Described drive rod 142 includes push rod the 1422, first strut 1424 and the second strut 1426, and described push rod 1422 is connected to described axially-movable output device 144 outfan;Described first strut 1424 one end is articulated with described windage keep plate 120, and the other end is articulated with described push rod 1422;Described second strut 1426 one end is articulated with described fixing seat 200, and the other end is articulated with described push rod 1422。When driving mechanism 140 drives described windage keep plate 120 to rotate, described push rod 1422 movement output device 144 to axial axially moves, described push rod 1422 drives the first strut 1424 and the second strut 1426 to move simultaneously, hindered the rotation of keep plate 120 by the Sports band wind symptom of the first strut 1424 and the second strut 1426, the mode of this multi-point support makes the rotation of windage keep plate 120 more stable;Simultaneously, drag effect produced by air current flow is in the first strut 1424 and the second strut 1426, first strut 1424 and the second strut 1426 promote push rod 1422 opposing cylinder 144 axially-movable, do not result in the fracture of drive rod 142, improve the service life of windage brake unit 100。
If Fig. 1 is to as shown in Figure 4, wherein in an embodiment, what described windage keep plate 120 rotated around described fixing seat 200 can gyration be 30 degree ~ 90 degree。Under in working order, it is in opposite direction that air-flow and windage keep plate 120 are opened, and windage keep plate 120 rotates the position of 30 degree to 90 degree, and the air drag of generation is bigger, thus braking effect is better。And windage keep plate is the position of 30 degree ~ 90 degree, what windage keep plate 120 can be stable is fixed on described fixing seat 200, thus stably providing required air drag。
Wherein in an embodiment, described axially-movable output device 144 is hydraulic cylinder or cylinder。Hydraulic cylinder and cylinder are conventional axially-movable output device 144, and windage brake unit 100 adopts hydraulic cylinder or cylinder to easily facilitate use and install。In other examples, it would however also be possible to employ other can drive the axially-movable output device 144 that windage keep plate 120 rotates。
If Fig. 1 is to as shown in Figure 6, a kind of multiple unit train body, including such as above-mentioned windage brake unit 100, described windage brake unit 100 is symmetrically arranged on the framed side wallboard of multiple unit train body 300 both sides。
Specifically, described driving mechanism 140 is connected with the control system in described multiple unit train body 300, when motor-car is braked, control system is according to brake force needed for one to seven grade of service braking of EMUs or brake hard, and in conjunction with the speed of current EMUs, according to the brake force size that brake signal is defined, choose whether to adopt windage brake unit to provide brake force。
Under motor-car running status, when needs adopt windage brake unit 100 to be braked, driving mechanism 140 drives drive rod 142 to stretch out, drive rod 142 drives one end of dynamic described windage keep plate 120 to stretch out, or push rod 1422 drives the first strut 1424 and the second strut 1426 to move, thus driving one end of described windage keep plate 120 to stretch out, at an angle with the framed side wallboard of multiple unit train body 300, thus stoping the flowing of the outer sidewind of motor-car body 300, thus producing air drag, the direction of motion of motor-car is in opposite direction with the air drag of generation, thus motor-car is produced brake force。The windage brake force that described windage brake unit 100 produces does not rely on the mode of braking of rail adhesion coefficient, provides effective additional braking force for the braking of motor-car speed。When many group windage brake units 100 simultaneously act on motor-car, the air drag of generation makes a concerted effort to simultaneously act on motor-car, makes motor-car obtain the additional braking force except traditional braking power, thus meeting the demand of motor-car braking。
Windage brake unit 100 is symmetrically arranged on the framed side wallboard of multiple unit train body 300 both sides, the direction of motion of motor-car is in opposite direction with the air drag of generation, thus motor-car is produced brake force, make motor-car obtain the additional braking force except traditional braking power, meet the demand of motor-car braking。And owing to windage brake unit 100 is symmetrically installed, the ride characteristic of original motor-car will not be changed, the balance of motor-car is fine;In the process travelled, rainwater, dust and other impurities will not fall into windage brake unit 100 and cause risk malfunctioning in windage brake unit 100 use procedure, long service life;And the erection space of multiple unit train body both sides is wide, thus conveniently installing and using。
It addition, described windage brake unit 100 be opened by windage keep plate 120 stretch out after utilize wind energy to make motor-car produce additional braking force, thus produced windage brake force is without friction, without abrasion, pollution-free, and described windage brake unit 100 simple in construction, easy to maintenance。
Wherein in an embodiment, described windage brake unit 100 forward and the framed side wallboard being reversely alternately symmetrically arranged on described multiple unit train body 300 both sides。Specifically, first group of windage brake unit forward is symmetrically arranged in the framed side wallboard of described EMUs body 300 both sides, second group of windage brake unit reverse symmetry is installed in the framed side wallboard of described EMUs body 300 both sides, so successively alternately windage brake unit 100 is installed on multiple unit train body 300。Thus when motor-car adopts windage brake unit 100 as additional braking force, when motor-car runs forward or motor-car runs backward, the opening direction of windage keep plate 120 is in opposite direction with what motor-car ran, thus producing windage brake force。
Should be understood that, the mode that windage brake unit 100 forward and windage brake unit 100 are reversely alternately installed can not also be adopted, namely at multiple unit train body 300 both sides first half forward, windage brake unit 100 can be installed, in multiple unit train body 300 both sides, latter half reversely installs windage brake unit 100, or other mounting means, this also affects the application target of windage brake unit 100。
Wherein in an embodiment, when described windage brake unit 100 does not work, the framed side wallboard flush of windage keep plate 120 upper surface and described multiple unit train body 300。The globality of motor-car is better, thus the state that motor-car runs is better。
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention。It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention。Therefore, the protection domain of patent of the present invention should be as the criterion with claims。

Claims (4)

1. a windage brake unit, it is characterised in that include windage keep plate and driving mechanism;Described driving mechanism includes drive rod, and described drive rod is articulated with described windage keep plate;One end of described windage keep plate is articulated with fixing seat, and driven by described drive rod and can rotate around fixing seat, the hinged hinge of described drive rod and described windage keep plate is arranged at from described windage keep plate away from one end of described fixing seat to the position range in the middle part of described windage keep plate;
Described windage brake unit also includes installing mechanism, and described installing mechanism is hinged with described driving mechanism, and described driving mechanism is contained in described installing mechanism, and described fixing seat is arranged at described installing mechanism;When described windage keep plate is contained in described installing mechanism, windage keep plate upper surface is less than edge on described installing mechanism opening;
Described driving mechanism includes axially-movable output device, and described axially-movable output device is articulated with described fixing seat;Described drive rod includes push rod, the first strut and the second strut, and described push rod is connected to described axially-movable output device outfan;Described first strut one end is articulated with described windage keep plate, and the other end is articulated with described push rod;Described second strut one end is articulated with described fixing seat, and the other end is articulated with described push rod;Described driving mechanism is for driving the described push rod of described drive rod to stretch out, and described push rod drives described first strut and described second strut motion, thus driving one end of described windage keep plate to stretch out;
What described windage keep plate rotated around described fixing seat can gyration be 30 degree~90 degree。
2. windage brake unit according to claim 1, it is characterised in that described axially-movable output device is hydraulic cylinder or cylinder。
3. a multiple unit train body, it is characterised in that including windage brake unit as described in claim 1 to 2 any one, described windage brake unit is symmetrically arranged on the framed side wallboard of multiple unit train body both sides;Described windage brake unit forward and the framed side wallboard being reversely alternately symmetrically arranged on described multiple unit train body both sides;Specifically, first group of windage brake unit forward is symmetrically arranged in the framed side wallboard of described EMUs body both sides, second group of windage brake unit reverse symmetry is installed in the framed side wallboard of described EMUs body both sides, so successively alternately windage brake unit is installed on multiple unit train body。
4. the framed side wallboard flush of multiple unit train body according to claim 3, it is characterised in that when described windage brake unit does not work, windage keep plate upper surface and described multiple unit train body。
CN201210460635.0A 2012-11-15 2012-11-15 Windage brake unit and use the multiple unit train body of this windage brake unit Expired - Fee Related CN102923161B (en)

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CN201210460635.0A CN102923161B (en) 2012-11-15 2012-11-15 Windage brake unit and use the multiple unit train body of this windage brake unit

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CN201210460635.0A CN102923161B (en) 2012-11-15 2012-11-15 Windage brake unit and use the multiple unit train body of this windage brake unit

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CN102923161B true CN102923161B (en) 2016-06-22

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CN103213599A (en) * 2013-03-06 2013-07-24 北京航空航天大学 Wind resistance braking device applied to high-speed train
CN103448698B (en) * 2013-08-02 2015-08-12 王忠良 Automobile windage brake gear and electric control system thereof
CN104590309A (en) * 2014-12-31 2015-05-06 大连科技学院 Two-way wind resistance braking device for high-speed motor train unit
CN104773143B (en) * 2015-04-10 2017-08-01 广州铁路职业技术学院 Windage brake apparatus and train body
AT517181B1 (en) * 2015-04-21 2019-04-15 Siemens Ag Oesterreich Aerodynamic tool for a rail vehicle
CN108909767A (en) * 2018-06-28 2018-11-30 中车青岛四方机车车辆股份有限公司 Magnetic-levitation train and its brake apparatus
CN113919250B (en) * 2021-11-22 2022-06-07 华设设计集团股份有限公司 Method for optimizing and selecting installation position of wind resistance braking device of high-speed train

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CN202944357U (en) * 2012-11-15 2013-05-22 广州铁路职业技术学院 Wind resistance braking device and bullet train body using same

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CN202944357U (en) * 2012-11-15 2013-05-22 广州铁路职业技术学院 Wind resistance braking device and bullet train body using same

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