CN207311399U - A kind of end executive device of Vehicular intelligent composite braking - Google Patents

A kind of end executive device of Vehicular intelligent composite braking Download PDF

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Publication number
CN207311399U
CN207311399U CN201721397991.7U CN201721397991U CN207311399U CN 207311399 U CN207311399 U CN 207311399U CN 201721397991 U CN201721397991 U CN 201721397991U CN 207311399 U CN207311399 U CN 207311399U
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CN
China
Prior art keywords
braking
vehicle
executive
pneumatic cylinder
metal dish
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Expired - Fee Related
Application number
CN201721397991.7U
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Chinese (zh)
Inventor
刘橙林
王奎洋
童欣
李惟初
杜雪雪
赖晓杰
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Jiangsu University of Technology
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Jiangsu University of Technology
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Priority to CN201721397991.7U priority Critical patent/CN207311399U/en
Application granted granted Critical
Publication of CN207311399U publication Critical patent/CN207311399U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of end executive device of Vehicular intelligent composite braking, including end braking device, end braking device is fixedly installed on the vehicle high-speed axis of vehicle tyre one end connection, end braking device includes in exterior housing, coil is wound with some projection small columns of braking metal dish side, permanent-magnet is equipped with the outside of coil, vehicle high-speed axis one end passes through braking metal dish, and braking metal dish is connected by vehicle high-speed axis with brake strip, close installation has pressurized seal plate at brake strip side end face, pressurized seal plate side is connected by air spring with pneumatic cylinder, vehicle high-speed axis one end extends to hull outside through pneumatic cylinder.The utility model has the advantages that compact-sized, arrangement is convenient, safe and reliable, green energy conservation, while the conversion that vehicle sections kinetic energy can be carried out to energy is recycled, and the effect of the secondary abrasion of brake disc friction is reduced so as to reach and share brake load.

Description

A kind of end executive device of Vehicular intelligent composite braking
Technical field
The utility model belongs to vehicle brake technology field, be specially it is a kind of used on electric vehicle it is intelligent and compound The end executive device of braking.
Background technology
Braking system is one of important component of automobile chassis, is directly related to the comprehensive performance of automobile, wherein end End braking device is even more the most important thing of brake system of car.Although single conventional hydraulic formula, pneumatic brake system can expire The requirements of the existing brake legislation of foot, but need by vacuum booster unit, vehicle braking response speed is slower the deficiencies of Part.
Electromagnetic braking be initially in order to ensure safety of the roller-coaster before finally entering the station and a kind of newly-designed braking model, Make train deceleration, unstability (such as rainy day slipping of brake etc.) of the latter there are bigger compared with frictional force.Electromagnetic system It is dynamic to realize vehicle deceleration using the correlated phenomena and characteristic of physical electromagnetic, in fact, being slowed down using electro-magnetic braking device It need not be contacted with vehicle associated components, therefore completely without friction plate during electromagnetic braking.Electro-magnetic braking device The recycling for carrying out energy can also be coordinated with some reforming units, and magnetic brake is absolutely safe, because It depends on this magnetic basic physical attribute in physics.In addition electromagnetic braking compare conventional friction braking comfort Can significantly it be lifted, vehicle also can be more steady when braking.But maximum is disadvantageous in that and depends merely on electromagnetic braking so far Vehicle can not be made to stop completely.
With the appearance and development of electromagnetic braking, it can realize that by the advantages that vehicle traveling kinetic energy conversion recycling be only Carry out what braking can not be realized by conventional hydraulic or air pressure friction, therefore hair is combined with vehicle in advanced electrical and electronic technology In the trend of exhibition, electromagnetic braking can not be denied, the security and green that its device is brought when braking can all become not Carry out the power of the development of vehicle brake field and innovation.It is traditional single at present to rub with constantly advancing for science and technology Braking research approach is wiped gradually to be substituted by the composite braking research approach with electromagnetic braking.
Electromagnetic braking can realize stationarity, rapidity, security and the green of braking, and conventional gas braking can be with Larger brake force is produced, therefore is had his own strong points.It can be braked in advance equipped with current vortex retarder on some high capacity waggons, so After carry out traditional braking.Current nearly all composite braking device is all the think of being combined using electromagnetic braking and friction catch Road, wherein friction catch still rely on the attraction of magnetisable material, it is impossible to bring the big brake force of air-pressure brake, at present think tradition The air-pressure brake and electromagnetic braking two ways on road combine the side to form a compact-sized composite intelligent braking device Case, which also rarely has, to be referred to, therefore in view of the above-mentioned problems, we have proposed a kind of end executive device of Vehicular intelligent composite braking.
Utility model content
To solve vehicle composite braking device existing in the prior art it is combined using electromagnetic braking and friction catch Thinking, wherein friction catch still rely on magnetisable material attraction, it is impossible to the defects of bringing the big brake force of air-pressure brake, this Utility model provides a kind of end executive device of Vehicular intelligent composite braking.
In order to solve the above-mentioned technical problem, the utility model discloses following technical solution:
A kind of end executive device of Vehicular intelligent composite braking of the utility model, including end braking device, the end End braking device is fixedly installed on the vehicle high-speed axis of vehicle tyre one end connection, and the end braking device, which includes, to be in Exterior housing, pneumatic cylinder, air spring, pressurized seal plate, brake strip, braking metal dish, forever are equipped with the housing Magnetic magnet and coil, are wound with coil on some projection small columns of the braking metal dish side, institute are equipped with the outside of the coil Permanent-magnet is stated, described vehicle high-speed axis one end passes through the braking metal dish, and the braking metal dish passes through the vehicle High speed shaft is connected with the brake strip, and close installation has pressurized seal plate, the gas at the brake strip side end face Densification sealing plate side is connected by air spring with the pneumatic cylinder, and described vehicle high-speed axis one end extends through the pneumatic cylinder To the hull outside.
As a kind of optimal technical scheme of the utility model, the pneumatic cylinder is equipped with four air inlets, and the gas Cylinder pressure is connected by air inlet with exterior air pump.
As a kind of optimal technical scheme of the utility model, the vehicle tyre is equipped with four, and each vehicle The end braking device is equipped with the inside of tire.
As a kind of optimal technical scheme of the utility model, stayed between the brake strip and the braking metal dish Have the gap.
As a kind of optimal technical scheme of the utility model, the air spring section is radius size different two A concentric circles.
As a kind of optimal technical scheme of the utility model, the pneumatic cylinder generally cylindrical shape, and the gas It is attached between cylinder pressure and the vehicle high-speed axis using deep groove ball bearing.
The beneficial effect that the utility model is reached is:The device carries out automatic grading probes brake measure, and electromagnetic braking is Superlative degree braking, gives people to bring more comfortable feel when vehicle level-one is braked, while greatly shortens the braking response time, improves The security of traveling.Air pressure two stage braking can realize the output of big braking torque come the stopping so that vehicle further slows down, together When traditional ABS system can also be omitted to reduce the complexity of whole braking system due to low speed air-pressure brake.The device was both There are stationary performance, quick performance, security performance and the Green performance of electromagnetic braking, and absorb conventional gas braking to produce greatly The advantages of braking moment, while the present apparatus is good with dynamic response performance, compact-sized, arrangement is convenient, can be with other systems Integrated control, can share the advantages that brake load drop low friction pair is worn.Device is additionally provided with power-off failure defencive function, due to dress The scheme for employing composite braking is put, therefore the safety coefficient of device can be greatly improved, to ensure the lives and properties of driver Safety, with good economic efficiency and social benefit, is suitably promoted the use of.
Brief description of the drawings
Attached drawing is used for disclosure and the utility model is further understood, and a part for constitution instruction, with this practicality New embodiment is used to explain the utility model together, does not form the limitation to the utility model.In the accompanying drawings:
Fig. 1 is brake apparatus arrangement schematic diagram of the present utility model;
Fig. 2 is brake device structure schematic front view of the present utility model;
Fig. 3 is brake apparatus assembling schematic diagram of the present utility model.
In figure:1st, vehicle tyre, 2, end braking device, 3, pneumatic cylinder, 4, air spring, 5, pressurized seal plate, 6, system Movable friction plate, 7, braking metal dish, 8, permanent-magnet, 9, coil, 10, housing, 11, vehicle high-speed axis.
Embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it will be appreciated that described herein excellent Select embodiment to be only used for describing and explaining the present invention, be not used to limit the utility model.
Embodiment:As shown in Figs. 1-3, a kind of end executive device of Vehicular intelligent composite braking of the utility model, including End braking device 2, end braking device 2 are fixedly installed on the vehicle high-speed axis 11 of 1 one end of vehicle tyre connection, end system Dynamic device 2 includes is equipped with pneumatic cylinder 3, air spring 4, pressurized seal plate 5, braking in exterior housing 10, housing 10 Friction plate 6, braking metal dish 7, permanent-magnet 8 and coil 9, are braked on some projection small columns of 7 side of metal dish around wired Circle 9, the outside of coil 9 are equipped with permanent-magnet 8, and 11 one end of vehicle high-speed axis is braked metal dish 7 and passed through through braking metal dish 7 Vehicle high-speed axis 11 is connected with brake strip 6, and close installation has pressurized seal plate 5 at 6 side end face of brake strip, and air pressure is close 5 side of sealing plate is connected by air spring 4 with pneumatic cylinder 3, and 11 one end of vehicle high-speed axis is extended to outside housing 10 through pneumatic cylinder 3 Portion.Pneumatic cylinder 3 is equipped with four air inlets, and pneumatic cylinder 3 is connected by air inlet with exterior air pump, and vehicle tyre 1 is equipped with four It is a, and end braking device 2 is mounted at each 1 inner side of vehicle tyre, stayed between brake strip 6 and braking metal dish 7 Have the gap, 4 section of air spring is different two concentric circles of radius size, and gas is pressed into through air flue after entering in cylinder and inflates It is allowed to stretch to realize external acting toward both sides between the inside and outside side form of spring 4.Protected between the internal membrane and axle of air spring 4 Hold the damage that a certain distance is brought to avoid friction.The side of air spring 4 is opposite with the side of pneumatic cylinder 3 to be connected to realize The transmission of gas, opposite side carries out sealing by pressurized seal plate 5 prevents gas leakage.After gas is filled with, gas connects air spring 4 The side for having pressurized seal plate 5 jacks up, and air spring 4 recovers elastic deformation so as to which pressurized seal plate 5 be retracted automatically after deflation, The generally cylindrical shape of pneumatic cylinder 3, and be attached between pneumatic cylinder 3 and vehicle high-speed axis 11 using deep groove ball bearing.
Specifically, in use, the priority of electromagnetic braking is braked more than conventional gas under normal circumstances.When vehicle is just Often during traveling when needing to be braked, driver, which sends signal, makes the device enter working status, at this time external device (ED) and The contactor closure that coil 9 forms forms path, the cutting magnetic induction line in the magnetic field that permanent-magnet 8 produces, one side coil 9 In can produce that sensing electric current outflow is collected through foreign current and reforming unit etc. carries out recycling, one side coil 9 can be by To the inhibition of Ampere force, so that vehicle is subject to resistance and produces the effect of braking.If vehicle need not carry out at this time Brake, then only need to control its circuit so that the closed circuit being made of coil 9 etc. disconnects, coil 9 cannot be formed and closed Closing circuit would not be acted on be subject to Ampere force, so that the effect of braking will disappear.
Two stage braking is air-pressure brake in this brake apparatus, if after the air-pressure brake pattern of device starts, by vehicle-mounted computer Send pump-up device fast aeration into pneumatic cylinder 3 outside signal command, four holes of pneumatic cylinder 3 outside that is independently connected is inflated Device.Gas is pressed into through pneumatic cylinder 3 between the two membranes of air spring 4, and the right side of air spring 4 is forced laterally stretch Exhibition, pushes directly on pressurized seal plate 5 and moves to the right, since pressurized seal plate 5 and brake strip 6 are rigidly connected, system Movable friction plate 6 is promoted indirectly slowly presses to braking metal dish 7.When gas is enough, brake strip 6 and braking metal dish 7 It is in contact and carries out friction catch to make vehicle braking deceleration.If the signal that driver sends is than stronger, controllable air inlet situation To increase the transverse pressure of brake strip 6, friction brake torque bigger can so be made by being obtained according to physical friction formula, braking Effect is more preferable.
If driver sends brake signal in normal brake application, electromagnetic braking is carried out first according to priority, when vehicle speed When degree is declined to a certain extent, the effect of electromagnetic braking and energy regenerating has died down, and device control at this time carries out two level gas Friction catch is pressed, after friction catch is carried out for a period of time, electromagnetic braking failure, vehicle system is individually carried out by air pressure friction catch Move until vehicle stops completely.That is, it is contemplated that the complexity of road conditions, the device can carry out an automobile's instant velocity and sentence Disconnected, when vehicle is being braked and speed declines to a certain extent, air pressure friction catch starts startup and comes into force, when vehicle is instantaneous Speed exceedes setting value when speed is very big in other words, has level-one electromagnetic braking to carry out single work deceleration, this is under normal circumstances Braking.
If driver needs to carry out emergency braking, the signal of emergency braking is sent by driver, then the device cancels system Dynamic priority, electromagnetic braking and friction catch are carried out at the same time work, and at the same time the braking effect of friction catch can be according to driving Signal strength that the person of sailing sends is adjusted, to ensure the intensity of braking.When vehicle speed declines to a certain extent, by outer Portion's electric power system inputs certain electric current to carry out electromagnetism auxiliary braking to coil 9, can be in setting range according to driver The power of signal carrys out the size of control input electric current, and the bigger Ampere force of electric current is bigger and then the brake drag of acquisition is bigger, auxiliary Braking effect is more obvious, last untill driver cancels brake command.
The device carries out automatic grading probes brake measure, and electromagnetic braking is braked to be highest, given when vehicle level-one is braked People brings more comfortable feel, while greatly shortens the braking response time, improves the security of traveling.Air pressure two stage braking can be with The output of big braking torque is realized come the stopping so that vehicle further slows down, simultaneously because low speed air-pressure brake can also save brief biography The ABS system of system is to reduce the complexity of whole braking system.The stationary performance of the existing electromagnetic braking of the device, quick performance, Security performance and Green performance, and the advantages of conventional gas braking can produce big braking moment is absorbed, while the present apparatus has Dynamic response performance is good, compact-sized, and arrangement is convenient, can share brake load reduction with other systems integrated control and rub The advantages that wiping secondary abrasion.Device is additionally provided with power-off failure defencive function, can since device employs the scheme of composite braking It is with good economic efficiency and social to ensure the security of the lives and property of driver to greatly improve the safety coefficient of device Benefit, is suitably promoted the use of.
Finally it should be noted that:The above descriptions are merely preferred embodiments of the present invention, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic Carry out equivalent substitution.Where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of end executive device of Vehicular intelligent composite braking, including end braking device (2), it is characterised in that described End braking device (2) is fixedly installed on the vehicle high-speed axis (11) of vehicle tyre (1) one end connection, the end braking dress Put (2) and include the housing (10) in outside, the housing (10) is interior close equipped with pneumatic cylinder (3), air spring (4), air pressure Sealing plate (5), brake strip (6), braking metal dish (7), permanent-magnet (8) and coil (9), the braking metal dish (7) one Coil (9) is wound with some projection small columns of side, the permanent-magnet (8) is equipped with the outside of the coil (9), the vehicle is high Fast axis (11) one end through it is described braking metal dish (7), and it is described braking metal dish (7) by the vehicle high-speed axis (11) with The brake strip (6) connects, and close installation has pressurized seal plate (5), the gas at brake strip (6) side end face Densification sealing plate (5) side is connected by air spring (4) with the pneumatic cylinder (3), and described vehicle high-speed axis (11) one end passes through It is exterior that the pneumatic cylinder (3) extends to the housing (10).
A kind of 2. end executive device of Vehicular intelligent composite braking according to claim 1, it is characterised in that the gas Cylinder pressure (3) is equipped with four air inlets, and the pneumatic cylinder (3) is connected by air inlet with exterior air pump.
A kind of 3. end executive device of Vehicular intelligent composite braking according to claim 1, it is characterised in that the car Tire (1) is equipped with four, and on the inside of each vehicle tyre (1) at be mounted on the end braking device (2).
A kind of 4. end executive device of Vehicular intelligent composite braking according to claim 1, it is characterised in that the system Gap is left between movable friction plate (6) and the braking metal dish (7).
5. the end executive device of a kind of Vehicular intelligent composite braking according to claim 1, it is characterised in that described to fill Gas spring (4) section is different two concentric circles of radius size.
A kind of 6. end executive device of Vehicular intelligent composite braking according to claim 1, it is characterised in that the gas Cylinder pressure (3) generally cylindrical shape, and deep groove ball bearing is used between the pneumatic cylinder (3) and the vehicle high-speed axis (11) It is attached.
CN201721397991.7U 2017-10-27 2017-10-27 A kind of end executive device of Vehicular intelligent composite braking Expired - Fee Related CN207311399U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721397991.7U CN207311399U (en) 2017-10-27 2017-10-27 A kind of end executive device of Vehicular intelligent composite braking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721397991.7U CN207311399U (en) 2017-10-27 2017-10-27 A kind of end executive device of Vehicular intelligent composite braking

Publications (1)

Publication Number Publication Date
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CN201721397991.7U Expired - Fee Related CN207311399U (en) 2017-10-27 2017-10-27 A kind of end executive device of Vehicular intelligent composite braking

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109774456A (en) * 2019-01-16 2019-05-21 山东交通学院 A kind of wheel motor drive device of electric car
CN111412230A (en) * 2020-03-25 2020-07-14 江苏理工学院 Permanent magnet retarding and friction braking integrated device in hub

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109774456A (en) * 2019-01-16 2019-05-21 山东交通学院 A kind of wheel motor drive device of electric car
CN109774456B (en) * 2019-01-16 2021-07-27 山东交通学院 Hub motor driving device of electric automobile
CN111412230A (en) * 2020-03-25 2020-07-14 江苏理工学院 Permanent magnet retarding and friction braking integrated device in hub

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180504

Termination date: 20191027

CF01 Termination of patent right due to non-payment of annual fee