CN109990018A - Disk brake and vehicle with it - Google Patents
Disk brake and vehicle with it Download PDFInfo
- Publication number
- CN109990018A CN109990018A CN201711479252.7A CN201711479252A CN109990018A CN 109990018 A CN109990018 A CN 109990018A CN 201711479252 A CN201711479252 A CN 201711479252A CN 109990018 A CN109990018 A CN 109990018A
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- China
- Prior art keywords
- brake
- motor axis
- lock piece
- holder
- block
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/24—Electric or magnetic using motors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of disk brake and with its vehicle, disk brake includes: caliper；Linear motor, linear motor include primary and secondary, and primary is fixedly connected with caliper, and secondary is equipped with first motor axis, secondary to be integrally slidingly disposed in primary with first motor axis；First brake(-holder) block, first motor axis are suitable for the first brake(-holder) block of pushing and pressing, and selectively push against the first brake(-holder) block and moved towards the brake disc being installed on wheel to move with brake disc or away from the first brake(-holder) block so that first brake(-holder) block and braking disk detachment；And electrical components, electrical components pass through lock piece and first motor axis connection, when electrical components stop driving lock piece, lock piece locks first motor axis, and in lock piece driving first motor axis movement synchronous with linear motor, lock piece is unlocked first motor axis.It is not only compact-sized, facilitate arrangement in this way, be not necessarily to external hydraulic braking control unit, and braking response speed faster, react sensitiveer.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of disk brake and with its vehicle.
Background technique
In the related technology, air pressure or hydraulic brake line, complete vehicle quality height, braking response are mostly used in the brake of vehicle
Delay, brake efficiency are low, and need to regularly replace hydraulic oil, exist simultaneously the risk of hydraulic oil leakage, are unfavorable for environmental protection.Work as system
It when dynamic device damage, is not easy to repair, dismounting is difficult.Brake pedal can generate rebound vibration during vehicle braking.On and
Brake is stated for line control system and is not suitable for, therefore is badly in need of designing a kind of disc type brake suitable for line traffic control braking system
Device.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose, this hair
A kind of bright disk brake for proposing that braking response speed is fast and structure is simple, compact.
The invention also provides a kind of vehicles with above-mentioned disk brake.
The disk brake of embodiment includes: caliper according to a first aspect of the present invention；Linear motor, the linear motor packet
Include primary and secondary, the primary is fixedly connected with the caliper, it is described it is secondary be equipped with first motor axis, it is described it is secondary with it is described
First motor axis is integrally slidingly disposed in the primary；First brake(-holder) block, the first motor axis are suitable for pushing against described the
One brake(-holder) block, and selectively push against first brake(-holder) block towards the brake disc movement being installed on wheel with the braking
Disk contact is moved away from first brake(-holder) block so that first brake(-holder) block and the braking disk detachment；And electronic portion
Part, the electrical components stop driving the locking in the electrical components by lock piece and the first motor axis connection
The lock piece locks first motor axis when part, in the lock piece driving first motor axis synchronous with the linear motor
The lock piece is unlocked the first motor axis when movement.
Disk brake according to an embodiment of the present invention passes through control electrical components the first electricity of driving synchronous with linear motor
It is synchronous with linear motor to control electrical components to release the constraint of movement of the lock piece to first motor axis at this time for arbor movement
The first brake(-holder) block is driven to move towards brake disc, and then by applying frictional force to brake disc to prevent or slow down the fortune of brake disc
It is dynamic, to realize service brake；When needing parking braking, first controls linear motor and service brake is carried out to brake disc, make first
Brake(-holder) block translates proper displacement so that brake disc obtains suitable brake force, and control electrical components lock motor shaft later
Only, in this way, using above-mentioned mechano-electronic disk brake, it is not necessarily to external hydraulic braking control unit, it is not only compact-sized, conveniently
Arrangement, and braking response speed faster, reaction it is sensitiveer.
Disk brake according to an embodiment of the invention, the lock piece be pivotly set on the caliper and with
The first motor axis is configured to drive or block the first motor axis and institute by screw-driven, the lock piece
The first brake(-holder) block is stated to move towards the brake disc.
In some embodiments, the lock piece has screw rod, and one end of the first motor axis has and the screw rod
The threaded hole of cooperation, the other end and the first motor axis connection of first brake(-holder) block in the first motor axis.
Disk brake according to an embodiment of the invention, the caliper have installation cavity and connect with the installation cavity
The lock piece of logical the first open ports and the second open ports, the electrical components protrudes into the caliper from first open ports
With with the first motor axis connection, the brake disc protrudes into the installation cavity from second open ports.
In some embodiments, first open ports are located at the end of the caliper, primary, the described secondary, institute
It states lock piece to be set in the installation cavity, the lock piece has stop lug, and the lock piece, which is equipped with, is located at the peace
Thrust bearing in behaveing affectedly and the retaining ring outside the caliper, the lock piece pass through the first open ports, the stop lug
The thrust bearing is only against on the inner wall of the caliper, the retaining ring and the annular flange are only supported with the caliper respectively
Cooperation is to carry out axially position to the screw rod jointly.
It further, further include dust cover, the first motor axis is suitable for pushing against first braking by braking briquetting
Piece, the dust cover are arranged adjacent to the installation cavity towards one end of second open ports, the dust cover respectively with institute
Braking briquetting is stated to connect with the caliper.
Disk brake according to an embodiment of the invention, the first motor axis pass through braking briquetting and described first
Brake(-holder) block connection, the braking briquetting have positioning groove, and first brake(-holder) block has compatible with the positioning groove
Positioning column.
Disk brake according to an embodiment of the invention, the electrical components include rotating electric machine, retarder, described
Rotating electric machine drives the lock piece to rotate by retarder, and the lock piece is fixedly connected with retarder and the lock piece can
It is pivotally connected on the caliper.
In some embodiments, the lock piece and the first motor axis have leading screw and nut mechanism, gear teeth jointly
Any one of mechanism, ball screw framework, transmission mechanism, the retarder of the rotating member and lock piece composition
At least one of be formed as self-locking mechanism.
In some embodiments, the rotating electric machine has the second motor shaft, and the retarder is stage-geared machine
Structure, the multilevel gear drive mechanism include driving gear set and planetary gear transmission mechanism, and the driving gear set includes defeated
Enter gear and output gear, the input gear is fixedly connected with second motor shaft.
Optionally, the planetary gear transmission mechanism includes: rack, and the rack is fixedly connected with the caliper, described
Ring gear is equipped in rack；Sun gear, the sun gear are fixedly connected and are pivotably coupled to the output gear
In the rack；Planetary gear, the planetary gear between the ring gear and the sun gear and respectively with it is described too
Positive gear and ring gear engagement；And planetary wheel carrier, the planetary wheel carrier have multiple first connecting shafts and with it is described too
Second connecting shaft of positive gear coaxial arrangement, first connecting shaft are pivotally connected with the planetary gear, second connection
Axis is fixedly connected with the lock piece.
Optionally, the retarder is chain-drive mechanism, gear drive, tape handler, Worm Wheel System machine
Any one of structure.
Disk brake according to an embodiment of the invention further includes the second brake(-holder) block, and second brake(-holder) block is fixed
In in the caliper, second brake(-holder) block and first brake(-holder) block are oppositely arranged and are limited between the two for accommodating
State the accommodation space of brake disc.
The vehicle of embodiment according to a second aspect of the present invention, the disk brake including above-described embodiment.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic cross-sectional view of disk brake according to an embodiment of the present invention；
Fig. 2 is the assembly signal of caliper, linear motor, brake disc of disk brake according to an embodiment of the present invention etc.
Figure；
Fig. 3 is the schematic diagram of the electrical components of disk brake according to an embodiment of the present invention；
Fig. 4 is the perspective view of disk brake according to an embodiment of the present invention；
Fig. 5 is the first motor axis, braking briquetting and the first brake(-holder) block of disk brake according to an embodiment of the present invention
Assembling schematic diagram.
Appended drawing reference:
Disk brake 100,
Caliper 10, installation cavity 11, the first open ports 12, the second open ports 13,
Linear motor 20, primary 21, secondary 22, first motor axis 23, threaded hole 231,
Electrical components 30, rotating electric machine 31, the second motor shaft 311, retarder 35, driving gear set 351, input gear
3511, output gear 3512, planetary gear transmission mechanism 352, rack 3521, main casing 3521a, first end cover 3521b, second
End cap 3521c, ring gear 3522, sun gear 3523, planetary gear 3524, planetary wheel carrier 3525, the first connecting shaft 3525a,
Second connecting shaft 3525b, lock piece 36, screw rod 362, stop lug 361, thrust bearing 37, retaining ring 38,
First brake(-holder) block 40, positioning column 41, the second brake(-holder) block 50,
Braking briquetting 60, copper sheathing 61, positioning groove 62,
Dust cover 70,
Brake disc 80.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Currently, line traffic control braking system is a completely new arrestment mechanism, it is braking drive organ function and touch device
On innovation.Line traffic control braking system eliminates traditional brake fluid system, provides braking energy source with motor, is passed with electric signal
Defeated operator brake is intended to, and executing agency is electric mechanical braking actuator.When vehicle braking, driver steps on braking and steps on
Plate, brake pedal have pedal sense simulator, and pedal travel signal can pass through CAN (controller local area network: Controller
Area Network) bus is sent to controller.Controller receives speed wheel speed, current of electric and rotor-position signal simultaneously,
It is analyzed by comprehensive calculating, controller issues control signal.Power driving circuit is according to the control signal of 23 devices of control to electricity
The driving part of handset tool brake actuator (such as drum brake or disk brake) provides correspondingly sized and direction electric current,
To control the direction of motion, the thrust size, movement velocity of driving part.In this way, driving part drives executing agency (such as to stay again
Vehicle brake actuator or service brake executing agency), it is defeated by wheel to generate brake force and implements to brake.
In order to realize the brake-by-wire of automobile, remove intermediate variable (such as hydraulic, air pressure), to improve auto brake system
The driving performance of system, the present invention provides a kind of electric mechanical braking actuators, when driving, in vehicle traveling process,
Driver implements braking by stepping on electric mechanical braking pedal, and displacement sensor perceives the information such as pedal position and pace of change,
And signal is passed into brake monitor, brake monitor judges the braking intention of driver according to this signal, and combines it
The external world and automobile current state, optimal brake power needed for calculating each wheel in real time that his sensor obtains, and drive straight line
Motor correctly operates, and converts the clamping force between brake(-holder) block and brake disc for the thrust of linear motor, to realize each wheel
Braking.
At the same time, pedal simulation mechanism passes through the change of pedal force according to the various states such as vehicle, road, braking system
It is similar with Conventional braking systems " feel " that change feeds back to driver.Active control braking system acquires motor electricity by sensor
The signals such as stream, brake disc clamping force, wheel speed and Real-time Feedback form closed-loop control to brake monitor, entire braking process, with
Ensure to obtain excellent braking effect.This braking system can also be integrated with the electronic control function of vehicle, be applied when needed
Brake force is adjusted in necessary brake force, with realize ABS, TCS, ESP and with the integration of brake energy feedback system.
Disk brake 100 according to an embodiment of the present invention is described below with reference to Fig. 1 to Fig. 5.
As depicted in figs. 1 and 2, disk brake 100 according to an embodiment of the present invention include: caliper 10, linear motor 20,
Electrical components 30 and the first brake(-holder) block 40.
Caliper 10 can provide accommodation space for the installation of other components, and caliper 10 can be fixed relative to vehicle body
Fixed caliper is also possible to the floating type caliper that can be floated relative to vehicle body.
Linear motor 20 includes primary 21 and secondary 22, and primary 21 may include iron core and induction coil, and secondary 22 can be with
Be can with the magnet of primary 21 electromagnetic couplings, secondary 22 with primary 21 clearance fits.When induction coil obtains it is electric when, secondary 22
It can be moved along a straight line under the magnetic fields of induction coil, when induction coil power loss, secondary 22 (is felt along with initial motion direction
The direction of motion of secondary 22 when answering in coil electric) opposite direction is mobile.
Primary 21 is fixedly connected with caliper 10, and secondary 22 is equipped with first motor axis 23, secondary 22 and the first motor axis
23 whole are slidingly disposed at are stated in primary 21, and first motor axis 23 is suitable for the first brake(-holder) block 40 of pushing and pressing, and selectively pushes against
First brake(-holder) block 40 contacts with brake disc 80 towards the movement of brake disc 80 being installed on wheel or away from the first brake(-holder) block 40
It moves so that the first brake(-holder) block 40 is detached from brake disc 80.
Specifically, the first brake(-holder) block 40 is friction plate, and first motor axis 23 can pass through copper sheathing 61 and 22 mistake of motor secondary
It is full of cooperation, first motor axis 23 and primary 21 clearance fits, so that first motor axis 23 can transmit the axial thrust of secondary 22.
In this way, the first motor axis 23 of secondary 22 can push against the first brake(-holder) block 40 and move together, so that first after primary 21 obtains electric
Brake(-holder) block 40 is mobile towards brake disc 80, the energy when the first brake(-holder) block 40 is moved to towards brake disc 80 to be bonded with brake disc 80
Enough slow down or prevent the movement of brake disc 80 by frictional force, and then can go to the wheel being fixedly connected with brake disc 80
Vehicle braking or parking braking.
Wherein, electrical components 30 are connect by lock piece 36 with first motor axis 23, and electrical components 30 can pass through lock piece
36 independent driving first motor axis 23 drive first motor axis 23 with linear motor 20 jointly, stop driving in electrical components 30
First motor axis 23 is locked when dynamic lock piece 36, when the driving first motor axis 23 synchronous with linear motor 20 of lock piece 36 moves
Lock piece 36 is unlocked first motor axis 23.
In this way, when needing to be implemented running braking function, control lock piece 36 the first electricity of driving synchronous with linear motor 20
Arbor 23 is moved axially towards brake disc 80, when needing to be implemented parking braking function, directly controls 20 power loss of linear motor,
It drives lock piece 36 and first motor axis 23 to move integrally to suitable parking power is obtained separately through electrical components 30, controls later
30 power loss of electrical components can be achieved with parking braking.
Disk brake 100 according to an embodiment of the present invention drives by the way that control electrical components 30 are synchronous with linear motor 20
Dynamic first motor axis 23 moves, and to release the constraint of movement of the lock piece 36 to first motor axis 23, controls electrical components at this time
30 first brake(-holder) blocks 40 of driving synchronous with linear motor 20 are moved towards brake disc 80, and then are rubbed by applying to brake disc 80
Power is to prevent or slow down the movement of brake disc 80, to realize service brake；When needing parking braking, linear motor is directly controlled
20 power loss drive lock piece 36 and first motor axis 23 to move integrally to obtaining suitable parking power separately through electrical components 30,
Control 30 power loss of electrical components can be achieved with parking braking later.
In this way, being not necessarily to external hydraulic braking control unit, not only structure using above-mentioned mechano-electronic disk brake 100
It is compact, facilitate arrangement, and braking response speed faster, reaction it is sensitiveer.
It is understood that when first motor axis 23 is moved towards brake disc 80 and pushes against the first brake(-holder) block 40 and brake disc
When 80 fitting, service brake or parking braking can be achieved with.When the coil losing electricity of primary 21, first motor axis 23 stops driving
First brake(-holder) block 40 clamps brake disc 80, and the first brake(-holder) block 40 loses the frictional force of brake disc 80, also can be realized system at this time
Dynamic releasing.
Disk brake 100 according to an embodiment of the invention further includes the second brake(-holder) block 50,40 edge of the first brake(-holder) block
The axially slidable of first motor axis 23 is set on caliper 10, and the second brake(-holder) block 50 is fixedly arranged in caliper 10, the second brake(-holder) block 50
It is oppositely arranged with the first brake(-holder) block 40 and limits the accommodation space for accommodating brake disc 80 between the two.
At this point, the caliper 10 of disk brake 100 be it is floating type, when linear motor 20 drives the first brake(-holder) block 40 towards the
When two brake(-holder) blocks 50 move, 40 elder generation of the first brake(-holder) block and the brake disc 80 between the first brake(-holder) block 40 and the second brake(-holder) block 50
It is bonded and generates braking friction, caliper 10 and the second brake(-holder) block 50 are under reaction force towards brake disc 80 and first later
Brake(-holder) block 40 moves.
In this way, controlling the first electricity that two electrical components 30 unclamp corresponding linear motor 20 respectively when needing to brake
Arbor 23, two linear motors 20 work and the first brake(-holder) block 40 adjacent to it are driven to move towards another brake(-holder) block, i.e.,
Two the first brake(-holder) blocks 40, which are driven, at this time moves toward one another and clamps brake disc 80 to realize the braking to wheel, conversely, when two
When a linear motor 20 drives two the first brake(-holder) blocks 40 to move in opposite directions respectively, two 40 take-off the brakes of the first brake(-holder) block
Disk 80 is to realize the releasing to wheel braking.
Certainly, the present invention is not limited thereto, electrical components 30, the first brake(-holder) block 40, linear motor 20 number can be
Two, two the first brake(-holder) blocks 40 can be oppositely arranged and limit between the two the space for installing brake disc 80, and two
The movement of first brake(-holder) block 40 with corresponding linear motor 20 by driving and realizing movement lock by electrical components 30
Only.
Disk brake 100 according to an embodiment of the invention, electrical components 30 include lock piece 36, and lock piece 36 can
It is pivotally set on caliper 10 and with first motor axis 23 by screw-driven, lock piece 36 is configured to drive or block
First motor axis 23 and the first brake(-holder) block 40 are moved towards brake disc 80.
Disk brake 100 according to an embodiment of the present invention has following several selectable operating modes:
1) when the power-off of linear motor 20, electrical components 30 obtain electric, electrical components 30 can pass through the independent drive of lock piece 36
Dynamic first motor axis 23 moves, with when driving first motor axis 23 that the first brake(-holder) block 40 is pushed to rub with brake disc 80 to couple,
Realize service brake；Under the premise of above-mentioned, when driving first motor axis 23 moves to suitable position so that the first brake(-holder) block 40 is right
Brake disc 80 applies suitable parking power, at this point, lock piece 36 can lock first when electrical components 30 stop driving lock piece 36
Motor shaft 23, to be used for parking braking.
2) when linear motor 20, which obtains electric, electrical components 30, to be powered off, electrical components 30 are by lock piece 36 to first motor
Axis 23 is constrained, and then realizes the locking to first motor axis 23.Suitable position is driven in first motor axis 23 so that
It, can be by the control power-off of electrical components 30 to realize to first after first brake(-holder) block 40 applies suitable parking power to brake disc 80
The locking of motor shaft 23.
3) when linear motor 20 and electrical components 30 it is electric when, there are following several situations:
If a, the driving first motor axis 23 synchronous with electrical components 30 of linear motor 20, i.e., lock piece 36 is to first motor
The driving speed of axis 23 is equal to linear motor 20 to the driving speed of first motor axis 23, then lock piece 36 will not be to first motor
Axis 23 forms constraint, and first motor axis 23 can push the first brake(-holder) block 40 and system under the magnetic drive of linear motor 20 effect
The friction coupling of Moving plate 80；
If b, linear motor 20 and electrical components 30 drive first motor axis 23 in the same direction, and electrical components 30 are right
When the driving speed of first motor axis 23 is greater than driving speed of the linear motor 20 to first motor axis 23, electrical components 30 can
Auxiliary straight line motor 20 drives first motor axis 23；
If c, electrical components 30 are opposite with driving trend of the linear motor 20 to first motor axis 23 and electrical components 30
Linear motor 20 is less than to the driving speed or electrical components 30 of first motor axis 23 to the retardance speed of first motor axis 23
First motor axis 23 is driven in the same direction with linear motor 20 and electrical components 30 are small to the retardance speed of first motor axis 23
When driving speed of the linear motor 20 to first motor axis 23, the meeting of electrical components 30 forms resistance to the driving of linear motor 20
It is stagnant, and then the movement of first motor axis 23 towards the first brake(-holder) block 40 can be slowed down；
If d, electrical components 30 are opposite with driving trend of the linear motor 20 to first motor axis 23 and electrical components 30
When being equal to driving speed of the linear motor 20 to first motor axis 23 to the retardance speed of first motor axis 23, first motor at this time
Axis 23 remains stationary in the axial direction；
If e, electrical components 30 are opposite with driving trend of the linear motor 20 to first motor axis 23 and electrical components 30
When being greater than driving speed of the linear motor 20 to first motor axis 23 to the retardance speed of first motor axis 23, first motor at this time
Axis 23 mainly moves under the driving effect of electrical components 30, and linear motor 20 is applied to the power of first motor axis 23 at this time as resistance
Stagnant power.
It should be noted that above-mentioned electrical components 30 are to the driving speed of first motor axis 23, linear motor 20 to first
The driving speed of motor shaft 23 only represents a kind of driving trend, and electrical components 30 can manage the driving speed of first motor axis 23
Solution is not under the premise of assuming that linear motor 20 impacts to the movement of first motor axis 23 and (ignores linear motor 20)
Definition, similarly, linear motor 20 can be understood as the driving speed of first motor axis 23 to assume that electrical components 30 are not right
What the movement of first motor axis 23 defined under the premise of impacting and (ignoring electrical components 30), the reality of first motor axis 23
The direction of motion and movement velocity are to the driving speed of first motor axis 23, linear motor 20 in electrical components 30 to first motor
It is generated under the joint effect of the driving speed of axis 23.
Thus, it is possible to control electric booster parts, linear motor 20, as needed to apply above-mentioned one or more modes
Realize service brake, parking braking and brake release.
In specific embodiment shown in Fig. 2, lock piece 36 has a screw rod 362, one end of first motor axis 23 have with
The threaded hole 231 that the screw rod 362 cooperates, lock piece 36 are opposite in one end of first motor axis 23 and first motor axis 23 and the
One brake(-holder) block 40 is connect in the other end of first motor axis 23 with first motor axis 23.In this way, when lock piece 36 rotate and with it is straight
When 20 synchronous drive first motor axis 23 of line motor is moved towards the first brake(-holder) block 40 and 80 direction of brake disc, it can be achieved with going
Vehicle braking, when 36 stop motion of lock piece, by the self-locking realization of screw thread to the locking of first motor axis 23, makes first motor
Axis 23 be locked it is motionless, for use in the holding of parking power when parking braking.
Referring to shown in Fig. 2, caliper 10 is with installation cavity 11 and the first open ports 12 and second being connected to installation cavity 11
The lock piece 36 of open ports 13, electrical components 30 is protruded into from the first open ports 12 to connect with first motor axis 23 in caliper 10,
Brake disc 80 protrudes into installation cavity 11 from the second open ports 13.Specifically, the first open ports 12 are located at the end of caliper 10, and second
Open ports 13 are located at the side wall of caliper 10, make components in caliper by the first open ports 12 and the second open ports 13 as a result,
Installation in 10 increases simply, conveniently, the more compact structure of disk brake 100, convenient for assembly and disassembly.
Optionally, the first open ports 12 are located at the end of caliper 10, and primary 21, secondary 22, lock piece 36 are set to installation
In chamber 11, lock piece 36 has stop lug 361, and lock piece 36 is equipped with the thrust bearing 37 being located in installation cavity 11 and is located at
Retaining ring 38 outside caliper 10, lock piece 36 pass through the first open ports 12, and thrust bearing 37 is only against caliper 10 by stop lug 361
Inner wall on, retaining ring 38 and annular flange support cooperation only with caliper 10 respectively to carry out axially position to screw rod 362 jointly.
In this way, when thrust bearing 37 and 362 clearance fit of screw rod are with when screw rod 362 rotates, thrust bearing 37 can also turn
It is dynamic, reduce frictional resistance, reduce loss of machine of torque, retaining ring 38 in 10 housing of caliper in the installation groove of screw rod 362, to prevent spiral shell
Bar 362 slides into the inner cavity of caliper 10, and retaining ring 38 and annular flange carry out axially position to screw rod 362 jointly to prevent screw rod 362
It is axially moveable, and then keeps screw rod 362 more smooth to the driving of swivel nut, steady.
Further, disk brake 100 further includes dust cover 70 (shown in Figure 2), and first motor axis 23 is suitable for logical
It crosses braking briquetting 60 and pushes against the first brake(-holder) block 40, dust cover 70 is set adjacent to one end of the second open ports 13 of direction of installation cavity 11
It sets, dust cover 70 is connect with braking briquetting 60 and caliper 10 respectively.
In other words, braking briquetting 60 and copper sheathing 61, which are interference fitted and brake briquetting 60, passes through copper sheathing 61 and first motor axis 23
It is fixedly connected, with transferring axial thrust；The inner hole for braking briquetting 60 and dust cover 70 is interference fitted, the outer edge of dust cover 70 with
Caliper 10 is fixedly connected, to provide sealing by dust cover 70 for the primary 21 in installation cavity 11, secondary 22, lock piece 36
Space, avoid extraneous dust and impurity through the second open ports 13 enter installation cavity 11 in, realize dustproof and waterproof function so that
Disk brake 100 has better working environment, to improve the service life of disk brake 100.Copper sheathing 61 has anti-attrition
Effect can easily fit and replace braking briquetting 60.
As shown in figure 5, first motor axis 23 is connect by braking briquetting 60 with the first brake(-holder) block 40, braking briquetting 60 has
Positioning groove 62, the first brake(-holder) block 40 have positioning column 41 compatible with positioning groove 62.Specifically, the number of positioning column 41
It is at least two, two positioning columns 41 are uniformly distributed along the circumferential direction of first motor axis 23, and positioning groove 62 can be distributed across braking pressure
The number of the V-arrangement gap of the outer edge of block 60, positioning groove 62 is consistent with the number of positioning column 41.In this way, the first brake(-holder) block
40 positioning column 41 can be mating with the positioning groove 62 of braking briquetting 60, not only realizes the first brake(-holder) block 40 to the first electricity
Positioning on arbor 23 to prevent first motor axis 23 from rotating, and facilitates the dismounting and change of braking briquetting 60, and reduces the
One brake(-holder) block 40 is by the risk of eccentric wear.
Disk brake 100 according to an embodiment of the invention, electrical components 30 include rotating electric machine 31, retarder
35, rotating electric machine 31 drives lock piece 36 to rotate by retarder 35, and lock piece 36 is fixedly connected with retarder 35 and lock piece
36 are pivotably coupled on caliper 10.The revolving speed that retarder 35 exports rotating electric machine 31 as a result, reduces, and by torque
Lock piece 36, lock piece 36 and first motor axis 23 are passed to by screw-driven, thus controls the work shape of rotating electric machine 31
State, revolving speed, retarder 35 transmission ratio, can locking, retardance, do not constrain or power-assisted first motor axis 23.
It is understood that lock piece 36 and first motor axis 23 have jointly leading screw and nut mechanism, gear and rack teeth mechanism,
Any one of ball screw framework, retarder 35 can be chain-drive mechanism, gear drive, tape handler, worm gear
Any one of worm gearing.In the transmission mechanism of rotating member 36 and the composition of lock piece 32, the retarder 35 at least
The phenomenon that one is formed as self-locking mechanism, and brake disc 80 is pushed and resetted after being locked up to avoid first motor axis 23,
Effectively realize the holding of clamping force.
As shown in figure 3, rotating electric machine 31 has the second motor shaft 311, retarder 35 is multilevel gear drive mechanism, multistage
Gear drive includes driving gear set 351 and planetary gear transmission mechanism 352, and driving gear set 351 includes input gear
3511 and output gear 3512, input gear 3511 be fixedly connected with the second motor shaft 311.Specifically, input gear 3511 with
Second motor shaft 311 interference fit, to transmit the torque of the output of rotating electric machine 31.Driving gear set 351 can only include mutual
The input gear 3511 and output gear 3512 being meshed can also be not limited to include input gear 3511 and output gear
3512, input gear 3511 and output gear 3512 can also be driven by least one intermediate gear.
In specific embodiment shown in Fig. 3, planetary gear transmission mechanism 352 includes: rack 3521, sun gear
3523, planetary gear 3524 and planetary wheel carrier 3525.
Rack 3521 is fixedly connected with caliper 10, and ring gear 3522, sun gear 3523 and output are equipped in rack 3521
Gear 3512 is fixedly connected and is pivotably coupled in rack 3521, and planetary gear 3524 is in ring gear 3522 and sun gear
It is engaged between 3523 and respectively with sun gear 3523 and ring gear 3522, planetary wheel carrier 3525 has multiple first connecting shafts
3525a and the second the connecting shaft 3525b, the first connecting shaft 3525a and planetary gear 3524 being coaxially disposed with sun gear 3523
It is pivotally connected, the second connecting shaft 3525b is fixedly connected with lock piece 36.Use planetary gear transmission mechanism 352 to locking as a result,
Part 36 transmits the torque of rotating electric machine 31, is driven more stable, more compact structure.
Specifically, the retarder 35 outside caliper 10, rotating electric machine 31 etc. are integrated by rack 3521, machine
Frame 3521 can be fixedly connected by bolt with caliper 10, as shown in Figure 4.
Rack 3521 can be made of main casing 3521a, first end cover 3521b, second end cover 3521c, main casing 3521a
For shell-like, first end cover 3521b and second end cover 3521c are respectively at the both ends of main casing 3521a and the fixed company of main casing 3521a
It connects, the ring gear 3522 being interference fitted with main casing 3521a, output gear 3512 and sun gear is equipped in main casing 3521a
3523 be formed together and the two by pivotal axis and first end cover 3521b clearance fit to realize the branch to output gear 3512
Support.Second end cover 3521c and main casing 3521a is welded to connect and limits the installation for accommodating rotating electric machine 31 between the two
Space, thus rotating electric machine 31 is embedded in main casing 3521a, and dustproof and waterproof and sealing performance are more preferable.
It is understood that sun gear 3523 can be integrally formed with output gear 3512, that is to say, that in a tooth
The first form of gear tooth on wheel for engaging with planetary gear 3524 becomes sun gear 3523, is used on the gear and input tooth
The second form of gear tooth that wheel 3511 is directly or indirectly driven becomes output gear 3512, and first gear teeth and second gear teeth can coaxially be set
It sets and is spaced apart, interfering when not only facilitating the processing of gear in this way, but also avoiding gear teeth meshing.In this way, sun tooth
Wheel 3523 is engaged with output gear 3512 to transmit the torque that the second motor shaft 311 is passed over, while can pass through the sun
The downward primary planet pinion 3524 of gear 3523 transmits power.
Multiple first connecting shaft 3525a of planetary wheel carrier 3525 be each passed through each planetary gear 3524 and with corresponding row
3524 clearance fit of star gear, so that each planetary gear 3524 can be pivoted around corresponding first connecting shaft 3525a, it is each in this way
A planetary gear 3524 can revolve while rotation around sun gear, and then drive planetary wheel carrier 3525 to rotate and pass through second
Connecting shaft 3525b output torque, to drive lock piece 36 (such as screw rod 362) to rotate synchronously.
Referring to the course of work of the disk brake 100 of Fig. 1 detailed description accord to a specific embodiment of that present invention.
Service brake and parking braking can be achieved in disk brake 100.
When executing service brake, linear motor 20 and rotating electric machine 31 are in obtain electricity condition, time of linear motor 20 simultaneously
Grade 22 pushes first motor axis 23 to export suitable axial thrust under the effect of electric motor primary 21, while rotating electric machine 31 rotates
Driving gear set 351 and planetary gear transmission mechanism 352 is driven to move, the planetary wheel carrier of planetary gear transmission mechanism 352
3525 output torques, driving lock piece 36 (such as screw rod 362) rotation, first motor axis 23 (being equivalent to swivel nut) axial movement, rotation
The secondary 22 of speed and linear motor 20 that rotating motor 31 drives first motor axis 23 to be axially moveable pushes first motor axis 23
The speed being axially moveable is consistent, and lock piece 36 does not form constraint, first motor to the movement of first motor axis 23 at this time
Axis 23 and brake block are axially moveable so that the friction of the first brake(-holder) block 40 and brake disc 80 couple, two brake(-holder) blocks of final drive
(the first brake(-holder) block 40, the second brake(-holder) block 50) clamps brake disc 80, and then wheel is made to slow down or stop.When releasing service brake,
20 power down of linear motor, rotating electric machine 31 work on and drive first motor axis 23 and the first brake(-holder) block 40 axially towards separate
80 direction of brake disc is mobile, releases braking.
When executing parking braking, control rotating electric machine 31 obtains electric, 20 power down of linear motor, generator shaft gear rotation, rotation
The rotation of motor 31 drives driving gear set 351 and planetary gear transmission mechanism 352 to move, planetary gear transmission mechanism 352
3525 output torque of planetary wheel carrier, driving lock piece 36 (such as screw rod 362) rotation, and then first motor axis 23 is driven (to be equivalent to
Swivel nut) axial movement and brake block be axially moveable, make the first brake(-holder) block 40 compress brake disc 80, realize parking braking, at this time
The self-locking of 31 power down of rotating electric machine, lock piece 36 and first motor axis 23 makes first motor axis 23 keep self-locking state motionless.Solution
When except parking braking, control rotating electric machine 31 must be electric, and first motor axis 23 and the first brake(-holder) block 40 is driven to be axially distant from braking
Disk 80 is mobile, releases parking braking.
The vehicle of embodiment according to a second aspect of the present invention, comprising: the disc type brake in wheel and such as above-described embodiment
Device 100 can not only reduce the production cost of vehicle using above-mentioned disk brake 100, make the structure of disk brake 100
More rationally, and the braking effect of disk brake 100 is more preferable, braking response speed faster, the traveling of vehicle can be improved
Stability and safety in utilization.
Wherein, caliper 10 is movably disposed on wheel or caliper 10 is fixedly connected with wheel.Disc type brake as a result,
Device 100 is disc brake with floating caliper 100 or disc brake with fixed caliper 100.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The instructions such as " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate with each other；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What can be combined in any suitable manner in one or more embodiment or examples.In addition, those skilled in the art can say this
Different embodiments or examples described in bright book are engaged and are combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (14)
1. a kind of disk brake characterized by comprising
Caliper；
Linear motor, the linear motor include primary and secondary, and the primary is fixedly connected with the caliper, and the secondary is set
There is first motor axis, the secondary and first motor axis is integrally slidingly disposed in the primary；
First brake(-holder) block, the first motor axis are suitable for pushing against first brake(-holder) block, and selectively push against first system
Movable plate towards be installed on wheel brake disc movement with the brake disc or away from first brake(-holder) block move with
Make first brake(-holder) block and the braking disk detachment；And
Electrical components, the electrical components can pass through lock by lock piece and the first motor axis connection, the electrical components
Stop member independently drives the first motor axis or drives the first motor axis jointly with the linear motor, described electronic
Component stops driving the lock piece when lock piece to lock first motor axis, same in the lock piece and the linear motor
Step drives lock piece when first motor axis movement to be unlocked the first motor axis.
2. disk brake according to claim 1, which is characterized in that the lock piece is pivotly set to the caliper
Above and with the first motor axis by screw-driven, the lock piece is configured to drive or block the first motor
Axis and first brake(-holder) block are moved towards the brake disc.
3. disk brake according to claim 2, which is characterized in that the lock piece has screw rod, first electricity
One end of arbor has the threaded hole that cooperate with the screw rod, first brake(-holder) block the first motor axis the other end and
The first motor axis connection.
4. disk brake according to claim 1, which is characterized in that the caliper have installation cavity and with the peace
It behave affectedly the first open ports and the second open ports of connection, the lock piece of the electrical components protrudes into described from first open ports
In caliper with the first motor axis connection, the brake disc protrudes into the installation cavity from second open ports.
5. disk brake according to claim 4, which is characterized in that first open ports are located at the end of the caliper
Portion, primary, described secondary, the described lock piece are set in the installation cavity, and the lock piece has stop lug, described
Lock piece is equipped with the thrust bearing being located in the installation cavity and the retaining ring outside the caliper, and the lock piece passes through the
The thrust bearing is only against on the inner wall of the caliper by one open ports, the stop lug, the retaining ring and the annular
Flange supports cooperation only with the caliper respectively to carry out axially position to the screw rod jointly.
6. disk brake according to claim 5, which is characterized in that further include dust cover, the first motor axis is suitable
In pushing against first brake(-holder) block by braking briquetting, the dust cover is adjacent to the installation cavity towards second open ports
One end setting, the dust cover connect with the braking briquetting and the caliper respectively.
7. disk brake according to claim 1, which is characterized in that the first motor axis passes through braking briquetting and institute
The connection of the first brake(-holder) block is stated, the braking briquetting has positioning groove, and first brake(-holder) block has and the positioning groove phase
The positioning column of adaptation.
8. disk brake described in any one of -7 according to claim 1, which is characterized in that the electrical components include rotation
Motor, retarder, the rotating electric machine drive the lock piece to rotate by retarder, the lock piece and the fixed company of retarder
It connects and the lock piece is pivotably coupled on the caliper.
9. disk brake according to claim 8, which is characterized in that the lock piece and the first motor axis are common
With any one of leading screw and nut mechanism, gear and rack teeth mechanism, ball screw framework, the rotating member and the lock piece group
At transmission mechanism, at least one of the retarder be formed as self-locking mechanism.
10. disk brake according to claim 8, which is characterized in that the rotating electric machine has the second motor shaft, institute
Stating retarder is multilevel gear drive mechanism, and the multilevel gear drive mechanism includes driving gear set and Planetary Gear Transmission machine
Structure, the driving gear set include input gear and output gear, and the input gear is fixedly connected with second motor shaft.
11. disk brake according to claim 10, which is characterized in that the planetary gear transmission mechanism includes:
Rack, the rack are fixedly connected with the caliper, and ring gear is equipped in the rack；
Sun gear, the sun gear are fixedly connected with the output gear and are pivotably coupled in the rack；
Planetary gear, the planetary gear between the ring gear and the sun gear and respectively with the sun gear and
The ring gear engagement；And
Planetary wheel carrier, the planetary wheel carrier have multiple first connecting shafts and connect with the second of sun gear coaxial arrangement
Axis, first connecting shaft are pivotally connected with the planetary gear, and second connecting shaft is fixedly connected with the lock piece.
12. disk brake according to claim 8, which is characterized in that the retarder is chain-drive mechanism, gear biography
Any one of motivation structure, tape handler, Worm and worm-wheel gearing.
13. disk brake according to claim 1, which is characterized in that it further include the second brake(-holder) block, second braking
Piece is fixedly arranged in the caliper, and second brake(-holder) block is oppositely arranged and limits between the two with first brake(-holder) block and is used for
Accommodate the accommodation space of the brake disc.
14. a kind of vehicle, which is characterized in that including disk brake such as of any of claims 1-13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479252.7A CN109990018B (en) | 2017-12-29 | 2017-12-29 | Disc brake and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479252.7A CN109990018B (en) | 2017-12-29 | 2017-12-29 | Disc brake and vehicle with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109990018A true CN109990018A (en) | 2019-07-09 |
| CN109990018B CN109990018B (en) | 2020-11-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711479252.7A Active CN109990018B (en) | 2017-12-29 | 2017-12-29 | Disc brake and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109990018B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111908297A (en) * | 2020-08-12 | 2020-11-10 | 安徽理工大学 | Monitoring system of disc brake of elevator |
| CN115257674A (en) * | 2022-07-15 | 2022-11-01 | 重庆长安汽车股份有限公司 | Braking structure, braking system, automobile and design method |
| CN115727074A (en) * | 2022-10-31 | 2023-03-03 | 清华大学 | Brake device and vehicle |
| CN115848339A (en) * | 2022-10-31 | 2023-03-28 | 清华大学 | Brake mechanism |
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| CN111908297A (en) * | 2020-08-12 | 2020-11-10 | 安徽理工大学 | Monitoring system of disc brake of elevator |
| CN111908297B (en) * | 2020-08-12 | 2021-09-28 | 安徽理工大学 | Monitoring system of disc brake of elevator |
| CN115257674A (en) * | 2022-07-15 | 2022-11-01 | 重庆长安汽车股份有限公司 | Braking structure, braking system, automobile and design method |
| CN115257674B (en) * | 2022-07-15 | 2023-10-13 | 重庆长安汽车股份有限公司 | Braking system, automobile and design method |
| CN115727074A (en) * | 2022-10-31 | 2023-03-03 | 清华大学 | Brake device and vehicle |
| CN115848339A (en) * | 2022-10-31 | 2023-03-28 | 清华大学 | Brake mechanism |
| CN115727074B (en) * | 2022-10-31 | 2023-08-29 | 清华大学 | Braking device and vehicle |
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| CN109990018B (en) | 2020-11-06 |
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