CN105667478B

CN105667478B - The brake system of car of anti-lock

Info

Publication number: CN105667478B
Application number: CN201610114648.0A
Authority: CN
Inventors: 邓涛; 李军营; 罗俊林
Original assignee: Chongqing Jiaotong University
Current assignee: Chongqing Jiaotong University
Priority date: 2016-03-01
Filing date: 2016-03-01
Publication date: 2018-04-03
Anticipated expiration: 2036-03-01
Also published as: CN105667478A

Abstract

The invention discloses a kind of brake system of car of anti-lock, including pedal, brake coupling and intermittent driver；Brake coupling includes fixed body, clutch body and braking clutch controlling organization, fixed body is connected with automotive hub and synchronous axial system, it is connected between braking clutch controlling organization and pedal by transmission mechanism I, clutch body is separated or combined with fixed body under the control of braking clutch controlling organization, is connected between clutch body and intermittent driver by transmission mechanism II；Intermittent driver includes the rocking arm, return unit and the cam that rotation is driven by transmission mechanism II for being connected to brake, and cam promotes rocker motion in rotary course and causes brake to carry out intermittent braking；The present invention uses mechanical structure, can prevent during automobile brake that wheel drags and extremely drag cunning, advantageously reduce the driving fatigue of driver, and make full use of the energy, the reaction for automatically adjusting brake force is more rapid, moreover it is possible to effectively prevents the interference of external magnetic field, ensures traffic safety.

Description

The brake system of car of anti-lock

Technical field

The present invention relates to a kind of brake system of car, more particularly to a kind of brake system of car of anti-lock.

Background technology

In galloping or traveling when on the road surface of the road conditions differences such as ice and snow, rainwater, floating sand, automobile once needs Brake hard, if pressure is excessive, wheel meeting locking makes wheel-slip or sideslip phenomenon occurs；Existing brake system of car Typically be fitted with antilock device, its act on be exactly when preventing automobile brake wheel drag and extremely drag cunning, and the slip rate of wheel It is maintained in certain safe range, is made with improving the directional stability in Motor Vehicle Braking Procedure, course changing control ability and shortening Dynamic distance, make automobile brake safer effectively；Automobile equipped with antilock device is in accident quantity, vehicle damage and personnel The automobile without antilock device is far below in terms of injures and deaths；Existing antilock device is mostly electronic type, is given birth in automobile Concatenated during production in brake system of car, be to push away the oil pressure of wheel using the pulse with specific frequency of its output Contact of the movable friction plate with wheel hub contacts for pulsed, so as to reach the purpose of anti-lock；But because electronic type anti-lock fills The stressing conditions for needing that each wheel is detected using electronic sensor are put, then again by processor assignment system power brake, therefore It is comparatively slow that it automatically adjusts the reaction of brake force；In addition, electronic type antilock device may be done by external magnetic field Disturb, when serious whole brakes can be made to lose braking ability, influence traffic safety.

It is therefore desirable to a kind of brake system of car of anti-lock, it uses mechanical structure, can prevent automobile system Wheel, which drags, when dynamic extremely drags cunning, advantageously reduces the driving fatigue of driver, and makes full use of the energy, automatically adjusts the anti-of brake force Should be more rapid, moreover it is possible to effectively prevent the interference of external magnetic field, ensure traffic safety.

The content of the invention

In view of this, it is an object of the invention to provide a kind of brake system of car of anti-lock, it uses mechanical Structure, it can prevent during automobile brake that wheel drags and extremely drag cunning, advantageously reduce the driving fatigue of driver, and make full use of energy Source, the reaction for automatically adjusting brake force are more rapid, moreover it is possible to effectively prevent the interference of external magnetic field, ensure traffic safety.

The brake system of car of the anti-lock of the present invention, including pedal, brake coupling and intermittent driver；The braking Clutch includes fixed body, clutch body and braking clutch controlling organization, and the fixed body is connected with automotive hub and synchronous axial system, It is connected between the braking clutch controlling organization and pedal by transmission mechanism I, the clutch body controls in braking clutch Separate or combine with fixed body under the control of mechanism, be driven and connected by transmission mechanism II between the clutch body and intermittent driver Connect；The intermittent driver includes being connected to the rocking arm of brake, the return unit for making rocking arm reset and by transmission mechanism II The cam of rotation is driven, the cam promotes rocker motion in rotary course and causes brake to carry out intermittent braking.

Further, the clutch body is cylindrical in shape and is set in automobile shafts and puts, and is set between the clutch body and automobile axle sleeve There is bearing I；One end on the clutch body close to fixed body radially extends to form frictional disk；The frictional disk and fixed body knot Cause clutch body and fixed body synchronous axial system after conjunction.

Further, the transmission mechanism I includes disengaging yoke；The braking clutch controlling organization includes release bearing, divided From lever, return spring and platen；The release bearing is enclosed on clutch body, and the release bearing is by separating lever and platen It is connected and platen can be driven to move radially and act on frictional disk, the return spring props up separation lever and causes release bearing The shaft shoulder prop up disengaging yoke all the time.

Further, side relative with frictional disk on the fixed body and platen is equipped with friction plate.

Further, the fixed body is the housing of brake coupling；The system also includes disk, the disk and automotive wheels Hub is connected, and the fixed body is connected with disk.

Further, the system also includes error correction device, and the error correction device includes processing controller, for detecting cam position The cam-position sensor put, the pedal position sensor for detecting pedal position and for driving cam reversely rotate it is anti- Rotating motor, the cam-position sensor, pedal position sensor and reversion motor are connected to processing controller.

Further, the transmission mechanism II includes the wheel shaft I being engaged with cam；The output axis connection of the reversion motor Driving gear I, driven gear I is connected on the wheel shaft I, and the driving gear I is meshed with driven gear I.

Further, the transmission mechanism II also includes V belt translation component；The V belt translation component includes wheel shaft II, main belt Wheel, passive belt wheel and transmission belt, the driving pulley are connected to wheel shaft II, and the passive belt wheel is connected to wheel shaft I.

Further, the V belt translation component includes the bearing for being located at the bearing II at the both ends of wheel shaft II and being engaged with bearing II Seat.

Further, the transmission mechanism II also includes driving gear II and the driven gear being meshed with driving gear II II, the driving gear II is enclosed on clutch body, and the driven gear II is enclosed on wheel shaft II.

Beneficial effects of the present invention：The present invention anti-lock brake system of car, vehicle complete vehicle travel when, fixed body with Automotive hub rotates together with；After driver steps on pedal, pedal passes through transmission mechanism I and braking clutch controlling organization clutch Body is connected with fixed body, and the torque of automotive wheel reaches cam, cam rotation and interval by clutch body and transmission mechanism II Ground promotes rocker motion to cause brake to be able to carry out intermittent braking；The present invention uses mechanical structure, can prevent vapour Wheel, which drags, when car is braked extremely drags cunning, using brake coupling relative to traditional mode of braking, advantageously reduces driving for driver Fatigue is sailed, due to the application of the rotational energy of automotive wheel, has cut the design of EBA, and makes full use of the energy, The reaction for automatically adjusting brake force is more rapid, moreover it is possible to effectively prevents the interference of external magnetic field, ensures traffic safety.

Brief description of the drawings

The invention will be further described with reference to the accompanying drawings and examples：

Fig. 1 is the structural representation of the present invention；

Fig. 2 is the structural representation of the intermittent driver of the present invention.

Embodiment

Fig. 1 is the structural representation of the present invention, and Fig. 2 is the structural representation of the intermittent driver of the present invention, as shown in the figure： The brake system of car of the anti-lock of the present embodiment, including pedal 1, brake coupling and intermittent driver；The braking clutch Device includes fixed body 21, clutch body 22 and braking clutch controlling organization, and the fixed body 21 is connected and synchronous with automotive hub 41 Rotate, be connected between the braking clutch controlling organization and pedal 1 by transmission mechanism I, the clutch body 22 is being braked Separate or combine with fixed body 21 under the control of clutch control mechanism, pass through transmission between the clutch body 22 and intermittent driver Mechanism II is connected；The intermittent driver includes being connected to the rocking arm 31 of brake 5, the reset for resetting rocking arm 31 Part 32 and the cam 33 that rotation is driven by transmission mechanism II, the cam 33 promote rocking arm 31 to move and cause in rotary course Brake 5 carries out intermittent braking；The structure of pedal 1 and transmission mechanism I can be with existing clutch pedal and transmission mechanism knot Structure is identical；The structure of brake coupling is also similar to existing clutch, and simply it is used for brakes, and transmission is Automobile The torque of wheel 42；Brake 5 can be existing disk brake；Rocking arm 31 and return unit 32 are installed on brake 5, cam 33 outline is in contact with rocking arm 31, and return unit 32 produces reset response power to rocking arm 31, i.e. rocking arm 31 can revolve with cam 33 Indexing put difference and swing or reset；Return unit 32 can be back-moving spring, ensure that cam 33 has well with rocking arm 31 Contact；When vehicle complete vehicle travels, fixed body 21 rotates together with automotive hub 41；After driver steps on pedal 1, pedal 1 passes through Transmission mechanism I and braking clutch controlling organization cause clutch body 22 to be connected with fixed body 21, the torque of automotive wheel by from Zoarium 22 and transmission mechanism II reach cam 33, and cam 33, which rotates and intermittently promotes rocking arm 31 to move, causes brake 5 to be able to Intermittent braking is carried out, that is, realizes the effect that point is stopped；The system uses mechanical structure, wheel when can prevent automobile brake Drag and extremely drag cunning, using brake coupling relative to traditional mode of braking, the driving fatigue of driver is advantageously reduced, due to vapour The application of the rotational energy of car wheel, has cut the design of EBA, and makes full use of the energy, automatically adjusts brake force Reaction it is more rapid, moreover it is possible to effectively prevent the interference of external magnetic field, ensure traffic safety.

In the present embodiment, the clutch body 22 is cylindrical in shape and is set on automobile axle sleeve 7, the clutch body 22 and automobile shafts The 7a of bearing I is provided between set 7；One end on the clutch body 22 close to fixed body 21 radially extends to form frictional disk 23；Institute State and cause clutch body 22 and the synchronous axial system of fixed body 21 after frictional disk 23 is combined with fixed body 21；Frictional disk 23 and the phase of fixed body 21 It is parallel；Clutch body 22 can along the axial movement of axle sleeve, moving process middle friction tray 23 and fixed body 21 by frictional force and by Gradually combine, finally reach and be synchronized with the movement；Frictional disk 23 is integrally formed with clutch body 22, is improved its structural strength, is simplified life Produce processing technology；The 7a of bearing I is preferably rolling bearing, ensure that the stability and smooth degree of the rotation of clutch body 22.

In the present embodiment, the transmission mechanism I includes disengaging yoke 81；The braking clutch controlling organization includes separation shaft Hold 24, separation lever 25, return spring 26 and platen 27；The release bearing 24 is enclosed on clutch body 22, the release bearing 24 are connected by separating lever 25 with platen 27 and platen 27 can be driven to move radially to act on frictional disk 23, the return bullet Spring 26 props up separation lever 25 and so that the shaft shoulder of release bearing 24 props up disengaging yoke 81 all the time；Pedal 1 and disengaging yoke 81 It is connected, the structure is identical with the structure of existing clutch system, will not be repeated here；The pine of release bearing 24 is enclosed on clutch body 22 On, the power of pedal 1 can be reached platen 27 and promote frictional disk 23 to move axially；This is simple in construction, easily realizes, ensure that Effective transmission of power.

In the present embodiment, the side relative with frictional disk 23 is equipped with friction plate 28 on the fixed body 21 and platen 27； The both sides of frictional disk 23 are respectively provided with friction plate 28, ensure that effective combination of frictional disk 23 and fixed body 21, improve the firm of combination Degree, to realize braking.

In the present embodiment, the fixed body 21 is the housing of brake coupling；The system also includes disk 43, the disk 43 are connected with automotive hub 41, and the fixed body 21 is connected with disk 43；The inside of fixed body 21, which can be provided with, to be used to install other portions The installation position of part；Disk 43 can avoid the volume of fixed body 21 excessive, make it is compact-sized, and ensure that automotive hub 41 with it is fixed The reliability that body 21 connects；It can be connected between disk 43 and automotive hub 41, fixed body 21 and disk 43 by bolt.

In the present embodiment, the system also includes error correction device, and the error correction device includes processing controller 61, for detecting The cam-position sensor 62 of the position of cam 33, the pedal position sensor 63 for detecting the position of pedal 1 and convex for driving The reversion motor 64 that wheel 33 reversely rotates, the cam-position sensor 62, pedal position sensor 63 and reversion motor 64 divide Processing controller 61 is not connected to；Under normal circumstances, cam 33 promotes rocking arm 31 to move in a manner of rotating forward, therefore reversely Rotation can offset this impetus；Processing controller 61 can be single-chip microcomputer, and it receives cam-position sensor 62 and pedal The keying of the signal of position sensor 63 and controllable reversion motor 64；Reversion motor 64 only operates in one case, that is, works as Cam-position sensor 62 detects the apexes contact rocking arm 31 (i.e. in braking state) and pedal position sensor of cam 33 63 detect that pedal 1 is in non-when trampling state, to prevent the improper startup of brake 5, improve safety in utilization.

In the present embodiment, the transmission mechanism II includes the wheel shaft I 91 being engaged with cam 33；The reversion motor 64 Axis connection driving gear I 65 is exported, driven gear I 66, the driving gear I 65 and driven gear I are connected on the wheel shaft I 91 66 are meshed；Cam 33 is enclosed on wheel shaft I 91；Driving gear I 65 is engaged with driven gear I 66, and efficiency is higher, and gearratio is steady Fixed, functional reliability is high.

In the present embodiment, the transmission mechanism II also includes V belt translation component；The V belt translation component include wheel shaft II 92, Driving pulley 93, passive belt wheel 94 and transmission belt 95, the driving pulley 93 are connected to wheel shaft II 92, and the passive belt wheel 94 connects It is connected to wheel shaft I 91；V belt translation has overload skidding, therefore is advantageous to prevent what mechanism overloaded and damaged using V belt translation Situation；Driving pulley 93 is enclosed on wheel shaft II 92；The V belt translation component also includes the bearing II 96 for being located at the both ends of wheel shaft II 92 And the bearing block 97 coordinated with the phase 96 of bearing II, make stable drive.

In the present embodiment, the transmission mechanism II also includes driving gear II 98 and the quilt being meshed with driving gear II 98 Moving gear II 99, the driving gear II 98 are enclosed on clutch body 22, and the driven gear II 99 is enclosed on wheel shaft II 92；So that Compact overall structure, convenient installation.

Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this Among the right of invention.

Claims

A kind of 1. brake system of car of anti-lock, it is characterised in that：Including pedal, brake coupling and intermittent driver；Institute Stating brake coupling includes fixed body, clutch body and braking clutch controlling organization, and the fixed body is connected and same with automotive hub Step rotate, be connected between the braking clutch controlling organization and pedal by transmission mechanism I, the clutch body braking from Close and separate or combine with fixed body under the control of controlling organization, pass through transmission mechanism II between the clutch body and intermittent driver Drive connection；The intermittent driver includes being connected to the rocking arm of brake, the return unit for making rocking arm reset and by being driven Mechanism II drives the cam of rotation, and the cam promotes rocker motion in rotary course and causes brake to carry out intermittent system It is dynamic.
2. the brake system of car of anti-lock according to claim 1, it is characterised in that：The clutch body is cylindrical in shape and covered It is located at automobile shafts to put, bearing I is provided between the clutch body and automobile axle sleeve；Close to one end of fixed body on the clutch body Radially extend to form frictional disk；The frictional disk causes clutch body and fixed body synchronous axial system after being combined with fixed body.
3. the brake system of car of anti-lock according to claim 2, it is characterised in that：The transmission mechanism I includes dividing From shift fork；The braking clutch controlling organization includes release bearing, separation lever, return spring and platen；The release bearing It is enclosed on clutch body, the release bearing is connected with platen and platen can be driven to move radially by separating lever to rub to act on Disk is wiped, the return spring props up separation lever and so that the shaft shoulder of release bearing props up disengaging yoke all the time.
4. the brake system of car of anti-lock according to claim 3, it is characterised in that：On the fixed body and platen with The relative side of frictional disk is equipped with friction plate.
5. the brake system of car of anti-lock according to claim 4, it is characterised in that：The fixed body is braking clutch The housing of device；The system also includes disk, and the disk is connected with automotive hub, and the fixed body is connected with disk.
6. the brake system of car of anti-lock according to claim 1, it is characterised in that：The system also includes error correction and filled Put, the error correction device includes processing controller, the cam-position sensor for detecting cam position, for detecting pedal position The pedal position sensor put and the reversion motor reversely rotated for driving cam, the cam-position sensor, pedal position Put sensor and reversion motor is connected to processing controller.
7. the brake system of car of anti-lock according to claim 6, it is characterised in that：The transmission mechanism II include with The wheel shaft I that cam is engaged；The output axis connection driving gear I of the reversion motor, driven gear I is connected on the wheel shaft I, The driving gear I is meshed with driven gear I.
8. the brake system of car of anti-lock according to claim 6, it is characterised in that：The transmission mechanism II also includes V belt translation component；The V belt translation component includes wheel shaft II, driving pulley, passive belt wheel and transmission belt, and the driving pulley connects Wheel shaft II is connected to, the passive belt wheel is connected to wheel shaft I.
9. the brake system of car of anti-lock according to claim 8, it is characterised in that：The V belt translation component includes setting Bearing II and the bearing block that is engaged with bearing II at the both ends of wheel shaft II.
10. the brake system of car of anti-lock according to claim 8, it is characterised in that：The transmission mechanism II also wraps Driving gear II and the driven gear II being meshed with driving gear II are included, the driving gear II is enclosed on clutch body, described Driven gear II is enclosed on wheel shaft II.