CN107542817A - A kind of electric brake - Google Patents
A kind of electric brake Download PDFInfo
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- CN107542817A CN107542817A CN201710763690.XA CN201710763690A CN107542817A CN 107542817 A CN107542817 A CN 107542817A CN 201710763690 A CN201710763690 A CN 201710763690A CN 107542817 A CN107542817 A CN 107542817A
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- 238000009434 installation Methods 0.000 description 13
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- 238000005299 abrasion Methods 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
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Abstract
The invention provides a kind of electric brake, belong to vehicle brake technology field.It solves the problems, such as existing electric brake braking effect difference.This electric brake, including actuator, brake lining, brake disc and the catch bar one being arranged between actuator and brake lining, catch bar two is additionally provided between the actuator and brake lining, the catch bar one and catch bar two are connected with above-mentioned actuator and catch bar one and catch bar two can drive brake lining to be resisted against in above-mentioned brake disc under the driving of actuator, electric brake also includes two pressure sensors and controller, two pressure sensors can detect the brake force size that the catch bar one and catch bar two apply to above-mentioned brake lining respectively and braking force information is sent into controller noted above, the controller can receive the braking force information of above-mentioned pressure sensor and control the driving force of above-mentioned actuator output.This electric brake has the advantages of good braking effect.
Description
Technical field
The invention belongs to vehicle brake technology field, is related to a kind of electric brake.
Background technology
Brakes is an important component of automobile, and the brake apparatus of existing most of automobile is hydraulic braking.
During braking, driver controls hydraulic braking master cylinder to be pressurizeed by vacuum booster by pedal, is sent to fluid pressure line mode
The brake cylinder of each wheel, hydraulic braking is carried out to disk brake.But brake fluid system is in use, because
Brake force transmission is carried out using fluid pressure line mode, oil leak easily occurs and response speed is slower.
Therefore, people devise a kind of dynamo-electric brake and have applied for Chinese patent (its Application No.：
200820226958.2；Its notification number is：CN201326669Y), the dynamo-electric brake includes brake clamp, pacifies on brake clamp
Fill checking cylinder and the motor rotated and reverse can be realized, motor output end installation decelerator, the interior installation ball screw of checking cylinder-
Nut body, the screw rod of ball screw-nut body and the output end of decelerator connect, the nut of ball screw-nut body
Upper installation platen.In use, motor exports power by decelerator, screw mandrel is driven to rotate, so as to drive stop-nut and platen
Compress and retract to brake disc, realize braking or release braking, the situation of oil leak will not occur, and response speed is very fast.
But drive a stop-nut that one friction plate is pressed in into braking only by motor in the dynamo-electric brake
To realize braking on disk, because friction plate is not directly connected to fix with stop-nut, and in driving circumference can occur for brake disc
Rotate, then stop-nut by friction plate be pushed to against on the disc brake rotor when, with the rotation of brake disc, friction plate easily around
The application point of stop-nut deflects, and so as to cause the situation of friction plate eccentric wear, braking effect is poor；And the dynamo-electric brake exists
It is difficult to determine whether the brake force of friction plate is enough during braking, brake force deficiency easily occurs after the long-term use of abrasion of friction plate
And cause that braking effect is poor, the situation of the slow even brake fade of braking response speed.
The content of the invention
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of electric brake, to be solved
Technical problem be how to lift the braking effect of electric brake.
The purpose of the present invention can be realized by following technical proposal：
A kind of electric brake, including actuator, brake lining, brake disc and be arranged between actuator and brake lining
Catch bar one, it is characterised in that catch bar two, the He of catch bar one are additionally provided between the actuator and brake lining
Catch bar two is connected with above-mentioned actuator and catch bar one and catch bar two can drive braking under the driving of actuator
Liner is resisted against in above-mentioned brake disc, and electric brake also includes two pressure sensors and controller, and two pressure pass
Sensor can detect the brake force size that the catch bar one and catch bar two apply to above-mentioned brake lining respectively and by brake force
Information is sent to controller noted above, and the controller can receive the braking force information of above-mentioned pressure sensor and control above-mentioned driving
The driving force of part output.
This electric brake drives catch bar one and catch bar two to drive brake lining to be resisted against in braking, by actuator
Braking is realized in brake disc.In this braking procedure, by catch bar one and catch bar two the two catch bar structures come to same
One brake lining applies brake force, and brake force is bigger, good braking effect.Meanwhile the He of catch bar one is detected by pressure sensor
Catch bar two apply brake force, can compared with default brake force, and then by controller control actuator output driving
Power is to adjust the brake force of push rod one and the application of push rod two in the reasonable scope, so as to ensure that brake force is enough, ensures braking effect
The stability of fruit.In test phase or the maintenance stage of dispatching from the factory, for same electric brake, two pressure sensors detect respectively
Catch bar one and the brake force size of the output of catch bar two simultaneously feed back to controller, and tester can be according to built-in vehicle display
Or external-connection displayer knows the brake force difference of catch bar one and catch bar two, by adjust catch bar one, catch bar two with
Drive mechanism between actuator makes the brake force that whole brake lining is subject to uniform, eccentric wear does not occur, improves braking effect
Fruit, so that this electric brake can meet the use demand in electric bicycle braking and electric parking；For the number of vehicle
Individual electric brake, the input power of actuator on each brake according to the braking force information of pressure sensor feedback, can be adjusted so that
The brake force of the brake force of each brake and vehicle demand matches, and improves braking effect, and this not only contributes to solve braking race
Inclined problem, and make the abrasion of brake lining mutually uniform.
In a kind of above-mentioned electric brake, electric brake also includes reminding module and can detect above-mentioned brake lining mill
The wear sensor of damage amount, the wear sensor and reminding module are connected with controller noted above and wear sensor can be sent out
Wear information is sent to controller noted above, the controller can receive wear information and send corresponding prompt message to above-mentioned prompting mould
Block.Wear sensor is used to detect the abrasion condition of brake lining and is sent to controller, when wear extent reaches the limit values, control
Device processed sends cue to reminding module, to prompt user to pay attention to, in order to which user changes brake lining in time, ensures system
Dynamic effect.
In a kind of above-mentioned electric brake, electric brake also includes synchronization transmission structure and synchronous piece, above-mentioned promotion
One end of bar one and one end of catch bar two are connected by above-mentioned synchronization transmission structure and the actuator, the catch bar
One other end and the other end of catch bar two are connected with above-mentioned synchronous piece, and the catch bar one and catch bar two are in above-mentioned actuator
Simultaneous ejection and above-mentioned brake lining can be driven to move with the presence of synchronization transmission structure.Pass through synchronization transmission structure and synchronization
Part synchronizes catch bar one and the both ends of catch bar two, ensures synchronism when catch bar one and catch bar two are released, avoids
The brake lining that both drive shifts in braking and the situation of eccentric wear occurs, improves the effect of braking.
In a kind of above-mentioned electric brake, described actuator includes motor, and above-mentioned synchronization transmission structure is included actively
Gear, nut one and nut two, above-mentioned catch bar one and catch bar two are screw rod, and the nut one connects with the screw thread of catch bar one
Connect, described nut two is threadedly coupled with catch bar two, and the output shaft of the driving gear and above-mentioned motor is connected, above-mentioned
The outside of nut one and the outside of nut two are respectively provided with several driving cogs, driving cog and above-mentioned active of the nut one by outside
Gear drive is connected, and the nut two is connected by the driving cog in outside with above-mentioned driving gear.Synchronization transmission structure work
When making, the power of motor output is transmitted by driving gear, and drives nut one and nut two to rotate, because of catch bar one and catch bar
Two one end is connected with synchronous piece, and catch bar one and catch bar two can not rotate, and is rotated in nut one and nut two
During, catch bar one and catch bar two will be released or retracted along own axes, and realization, which circumferentially rotates, is converted to straight line fortune
It is dynamic.Using the driving gear and the gear transmission structure of driving cog so that transmission process is more stable, and the brake force of output is also more steady
It is fixed.
In a kind of above-mentioned electric brake, two pressure sensors are respectively arranged at the above-mentioned side of nut one and spiral shell
The side of mother two, and when the catch bar one and catch bar two drive above-mentioned brake lining to be resisted against in the brake disc, institute
Active force can be applied to two above-mentioned pressure sensors respectively by stating nut one and nut two.Catch bar one and catch bar two promote system
Dynamic liner against on the disc brake rotor when, catch bar one and catch bar two lead to respectively by reaction force and by the reaction force respectively
Cross nut one and nut two is transferred on pressure sensor, so that pressure sensor can detect catch bar one and catch bar two
The brake force size of application.
In a kind of above-mentioned electric brake, gearratio and driving gear between described driving gear and nut one
Gearratio between nut two is equal.Gearratio is equal be driven with to ensure driving gear to catch bar one and catch bar two it is same
Step property.
In a kind of above-mentioned electric brake, one end that the catch bar one is used to be connected with synchronous piece has connecting portion
One, the catch bar two, which is used for one end for being connected with synchronous piece, has a connecting portion two, logical through offering on above-mentioned synchronous piece
Hole one and through hole two, the cross sectional shape of the through hole one matches with the cross sectional shape of connecting portion one and connecting portion one penetrates through hole
In one and circumferentially fixed with synchronous piece, the cross sectional shape of the through hole two matches with the cross sectional shape of connecting portion two and connecting portion
Two penetrate in through hole two and circumferentially fixed with synchronous piece, and the catch bar one and catch bar two pass through connector and synchronous piece respectively
Axial restraint.The connection of catch bar one, catch bar two and synchronous piece is realized by the cooperation of shape, not only circumferentially fixed effect
Fruit is more preferable, and connects more convenient.The conventional connection member such as jump ring, screw can be selected in connector.
As another situation, in a kind of above-mentioned electric brake, electric brake also includes shell, has in the shell
The installation cavity one and installation cavity two being in the form of a column, above-mentioned catch bar one and catch bar two are respectively arranged at installation cavity one and installation cavity
In two, above-mentioned actuator includes cylinder, and the synchronization transmission structure includes being arranged at the piston rod outer end of catch bar one and cylinder
Between connecting rod one and the connecting rod two that is arranged between catch bar two and the piston rod outer end of cylinder, the both ends difference of connecting rod one
Be hinged with the piston rod outer end of above-mentioned catch bar one and cylinder, the both ends of the connecting rod two respectively with above-mentioned catch bar two and cylinder
Piston rod outer end be hinged.Two isometric connecting rods one and connecting rod two are coordinated also to realize to the He of catch bar one by a piston
The synchronous driving of the one end being connected on catch bar two with actuator so that catch bar one and catch bar two are respectively in installation cavity one
Move back and forth with installation cavity two along the axis direction of cavity.
In a kind of above-mentioned electric brake, described actuator also includes what is be connected with the output shaft of above-mentioned motor
Decelerator, above-mentioned driving gear is sheathed on the outside of the output shaft of decelerator and both are fixedly connected with.The setting and active of decelerator
The cooperation of gear and driving cog can reach multi-stage speed-reducing and increase the effect turned round, and makes the power output increase of push-plate axial direction, meets so as to produce
The service brake torque and parking braking torque of vehicle demand.
In a kind of above-mentioned electric brake, overload is also associated between the output shaft of the motor and above-mentioned decelerator and is protected
Protect mechanism.Overload protecting mechanism is used to skid when the moment of torsion of output exceedes the slipping torque of its own, so that passing
It is dynamic to be disconnected, motor is protected.Existing overload protecting mechanism can be selected in this overload protecting mechanism, to its structure without
Illustrate.
In a kind of above-mentioned electric brake, electric brake also includes catch bar three, the catch bar three and above-mentioned catch bar
One is arranged at the same side of above-mentioned synchronous piece, and one end and the above-mentioned actuator of the catch bar three pass through above-mentioned synchronization transmission structure
Drive connection, the other end is fixedly connected with above-mentioned synchronous piece, and catch bar three can be driven the driving of part and release synchronous piece.
If necessary, a catch bar three can be further added by the basis of catch bar one and catch bar two, so as to realize to brake lining
Triangle polyester fibre.
In a kind of above-mentioned electric brake, the outside of catch bar one and catch bar two is also arranged respectively and axial restraint
There is push-plate annular in shape, two push-plates are relative with above-mentioned brake lining position and two push-plates can be resisted against above-mentioned braking lining
On piece and brake lining is promoted against on the disc brake rotor.Stress surface when being braked to brake lining is expanded by the structure of push-plate
Product, stability during brake lining braking is improved, ensures braking effect.Meanwhile push-plate is promoting brake lining to realize braking
During only by the active force moved axially, stability under loading, be hardly damaged.
Also there is the regulation head for manual actuation, institute in a kind of above-mentioned electric brake, on the output shaft of the motor
Regulation head is stated to stretch out from the motor casing rear end of above-mentioned motor.In motor rear end, the regulation head of one stretching motor casing, effect are set
Be when motor leads to not automatic forward and backward because of power-off or other failures, can manually operate the regulation head carry out it is artificial
Emergent electric rotating machine output shaft temporarily, service brake, parking braking are released, adjust brake clearance or changes brake pad etc. to realize
Function.
Compared with prior art, this electric brake has advantages below：
1st, brake force size is detected by pressure sensor and feeds back to controller to realize the control of brake force size, made
Power output is stable, and situations such as can find and adjust in time brake lining eccentric wear, improves braking effect.
2nd, motor is carried out the driving of catch bar one and catch bar two by motor by decelerator and gear train, brake force it is big and
Fast response time.
3rd, one brake lining is promoted by catch bar one and the synchronizing moving of catch bar two, brake force is big and makes
Power is uniform so that brake lining is not susceptible to eccentric wear, ensure that braking effect so that the brake force of this electric brake can meet
Service brake and the demand of parking braking, applied widely, function is more.
Brief description of the drawings
Fig. 1 is the partial cross structural representation of this electric brake.
Fig. 2 is the theory structure block diagram of this electric brake.
Fig. 3 is the cross section structure diagram at synchronization transmission structure in this electric brake.
Fig. 4 is the cross section structure diagram at another visual angle at synchronization transmission structure.
Fig. 5 is the cross section structure diagram at another visual angle at synchronization transmission structure.
Fig. 6 is catch bar one and the enlarged drawing of synchronous piece junction.
In figure, 1, actuator；2nd, brake lining；3rd, brake disc；4th, catch bar one；5th, catch bar two；6th, pressure sensor；
7th, controller；9th, reminding module；10th, wear sensor；11st, synchronous piece；12nd, driving gear；13rd, nut one；14th, nut two；
15th, connector；16th, decelerator；17th, transition gear；18th, driven gear one；19th, driven gear two；20th, push-plate；21st, bracket.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, this electric brake includes actuator 1, brake lining 2 and brake disc
3, it is in shaft-like catch bar 1 and catch bar 25 to be provided between actuator 1 and brake lining 2, catch bar 1 and is promoted
It is connected between one end of bar 25 and actuator 1 by synchronization transmission structure, the other end is in the synchronous piece of long plate shape with one
11 are connected.Meanwhile the outside of the one end of catch bar 1 and catch bar 25 for being connected with synchronous piece 11 is also arranged simultaneously respectively
Axial restraint has push-plate 20 annular in shape, and the outer face face brake lining 2 of two push-plates 20, brake lining 2 is connected to bracket 21
On.The outer face of push-plate 20 protrudes from the end face of synchronous piece 11 and catch bar 1 and the outer end of catch bar 25, for promotion
Bar 1 and catch bar 25 move and release brake lining 2.In the present embodiment, actuator 1 includes motor and drive connection
In the decelerator 16 of motor output end, overload protecting mechanism is also associated between decelerator 16 and motor, motor specifically can be selected
The motor of strap brake function, i.e. brake motor；Catch bar 1 and catch bar 25 are in actuator 1, synchronization transmission structure and same
Simultaneous ejection or can synchronously it be retracted in the presence of step part 11.
Specifically, synchronization transmission structure includes driving gear 12, nut 1 and nut 2 14, catch bar 1 and pushes away
Lever 25 is screw rod, and nut 1 is threadedly coupled with catch bar 1, and nut 2 14 is threadedly coupled with catch bar 25.Actively
Gear 12 is sheathed on the outside of the output shaft of decelerator 16 and is secured to, and the outside of nut 1 and the outside of nut 2 14 are respectively provided with
Several driving cogs, nut 1 are connected by the driving cog in outside with driving gear 12, and nut 2 14 passes through outside
Driving cog is connected with driving gear 12.In the present embodiment, a transition gear 17, nut have been also meshed with driving gear 12
One 13 outer sheaths are provided with driven gear 1 in a ring, and driven gear 1 is connected with nut 1 by flat key, nut two
14 outer sheaths are provided with driven gear 2 19 in a ring, and driven gear 2 19 is connected with nut 2 14 by flat key, driven gear
1 and the specification of driven gear 2 19 it is identical and engaged with transition gear 17.If necessary, the drive mechanism at driving gear 12
Also the drive mechanisms such as straight-tooth, helical teeth or turbine and worm can be used.
One end that catch bar 1 and catch bar 25 are used to be connected with synchronous piece 11 has connecting portion one and is connected respectively
The section of portion two, connecting portion one and connecting portion two is non-circular, through through hole one and through hole two is offered on synchronous piece 11, is led to
The cross sectional shape in hole one matches with the cross sectional shape of catch bar 1 and catch bar 1 is penetrated in through hole one, the section of through hole two
The cross sectional shape of shape and catch bar 25 matches and catch bar 25 is penetrated in through hole two, 25 points of catch bar 1 and catch bar
Do not pass through connector 15 and the axial restraint of synchronous piece 11.In the present embodiment, the cross sectional shape of catch bar 1 and catch bar 25
It is square, through hole one and through hole two are square hole, and the outside of catch bar 1 has shoulder block one, and connector 15 pushes away to be fixed on
The jump ring in the outside of lever 1, synchronous piece 11 are fixed between shoulder block one and jump ring；The connection knot of catch bar 25 and synchronous piece 11
Structure is identical with the attachment structure of catch bar 1 and synchronous piece 11, repeats no more here.
As shown in Fig. 2 this electric brake also includes pressure sensor 6, wear sensor 10, controller 7 and prompting mould
Block 9, pressure sensor 6, wear sensor 10 and reminding module 9 are connected with controller 7.Wherein, pressure sensor 6
Quantity is two, and in a ring, two pressure sensors 6 be respectively sleeved on catch bar 1 and catch bar 25 and respectively with
Nut 1 is relative with the position of nut 2 14, applies for detecting 25 pairs of brake lining 2 of catch bar 1 and catch bar respectively
Brake force size and by braking force information be sent to controller 7；Wear sensor 10 can detect the wear extent of brake lining 2 simultaneously
Wear signal is sent to controller 7；Controller 7 is ECU, can receive above- mentioned information and be handled, and sends corresponding control letter
Number carried to motor with controlling driving force that actuator 1 exports or sending corresponding cue and enter row information to reminding module 9
Show.
This electric brake, by motor output power, is transferred at driving gear 12, and lead in braking by decelerator 16
Cross transition gear 17, driven gear 1 and driven gear 2 19 and drive nut 1 and the synchronous axial system of nut 2 14.Now, because
One end of catch bar 1 and catch bar 25 is connected with synchronous piece 11, and catch bar 1 and catch bar 25 can not rotate,
During nut 1 and nut 2 14 rotate, catch bar 1 and catch bar 25 will be released or moved back along own axes
Return, realization, which circumferentially rotates, is converted to linear motion, so as to promote push-plate 20 to move, and then promotes brake lining 2 to support by push-plate 20
Lean against and braking is realized in brake disc 3.Conversely, motor reversal, drives catch bar 1 and catch bar 25 reversely to retract, system is released
It is dynamic.
In this braking procedure, when catch bar 1 and catch bar 25 respectively by push-plate 20 drive brake lining 2 against
When in brake disc 3, catch bar 1 and catch bar 25 by reaction force and are acted on nut 1 and nut 2 14, by
Nut 1 and nut 2 14 apply active force to two pressure sensors 6 respectively, so that pressure sensor 6 detects catch bar
One 4 and the brake force that applies of catch bar 25 and braking force signal is sent to controller 7, controller 7 is by itself and default braking
Force value compares, and so as to send corresponding control signal to motor, adjusts the driving force of motor, so that the brake force of output is big
It is small to meet to require.
When the wear extent of brake lining 2 reaches the limit values, controller 7 sends cue to reminding module 9, to carry
Show that user pays attention to, in order to which user changes brake lining 2 in time, ensure the effect of braking.
In addition, also there is the regulation head that it is rotated for manual actuation, electricity of the regulation head from motor on the output shaft of motor
Casing rear end stretches out.Here, motor rear end set one stretching motor casing regulation head, effect be when motor because power-off or its
When its failure leads to not automatic forward and backward, it is defeated can manually to operate the artificial temporarily emergent electric rotating machine of regulation head progress
Shaft, the functions such as service brake, parking braking, adjustment brake clearance or replacing brake pad are released to realize.Adjust the section of head
Shape can use circular, square, triangle, tooth form, polygon or have the spline structures such as anti-rotating hole in side as needed, again
Or the recess of indent is set on regulation head.
In addition to above technical scheme, electric brake may also include catch bar three, and the catch bar three is set with catch bar 1
In the same side of synchronous piece 11, one end and the actuator 1 of catch bar three are connected by synchronization transmission structure, the other end with it is same
Step part 11 is fixedly connected, and catch bar three can be driven the driving of part 1 and release synchronous piece 11.And synchronization transmission structure also may be used
Using another program：Electric brake may include shell, has the installation cavity one and installation cavity two being in the form of a column in the shell, promotes
Bar 1 and catch bar 25 are respectively arranged in installation cavity one and installation cavity two, and actuator 1 selects cylinder, synchronization transmission structure bag
Include the connecting rod one being arranged between the piston rod outer end of catch bar 1 and cylinder and the work for being arranged at catch bar 25 and cylinder
Connecting rod two between stopper rod outer end, the piston rod outer end of the both ends of connecting rod one respectively with catch bar 1 and cylinder are hinged, connecting rod two
Piston rod outer end of the both ends respectively with catch bar 25 and cylinder be hinged.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (11)
1. a kind of electric brake, including actuator (1), brake lining (2), brake disc (3) and it is arranged at actuator (1) and system
Catch bar one (4) between dynamic liner (2), it is characterised in that be additionally provided between the actuator (1) and brake lining (2)
Catch bar two (5), the catch bar one (4) and catch bar two (5) are connected with above-mentioned actuator (1) and catch bar one
(4) and catch bar two (5) can drive brake lining (2) to be resisted against in above-mentioned brake disc (3) under the driving of actuator (1), electricity
Brake also includes two pressure sensors (6) and controller (7), and two pressure sensors (6) can detect institute respectively
State the brake force size that catch bar one (4) and catch bar two (5) apply to above-mentioned brake lining (2) and send braking force information
Controller noted above (7) is given, the controller (7) can receive the braking force information of above-mentioned pressure sensor (6) and control above-mentioned drive
The driving force of moving part (1) output.
A kind of 2. electric brake according to claim 1, it is characterised in that electric brake also include reminding module (9) with
And the wear sensor (10) of above-mentioned brake lining (2) wear extent can be detected, the wear sensor (10) and reminding module (9)
It is connected with controller noted above (7) and wear sensor (10) can sends wear information and give controller noted above (7), the control
Device (7) can receive the corresponding prompt message of wear information transmission and give above-mentioned reminding module (9).
A kind of 3. electric brake according to claim 1, it is characterised in that electric brake also include synchronization transmission structure with
And synchronous piece (11), one end of above-mentioned catch bar one (4) and one end of catch bar two (5) pass through above-mentioned synchronization transmission structure and institute
State actuator (1) drive connection, described (4) other end of catch bar one and catch bar two (5) other end with above-mentioned synchronous piece
(11) it is connected, the catch bar one (4) and catch bar two (5) energy in the presence of above-mentioned actuator (1) and synchronization transmission structure
Simultaneous ejection simultaneously drives above-mentioned brake lining (2) mobile.
4. a kind of electric brake according to claim 3, it is characterised in that described actuator (1) includes motor, above-mentioned
Synchronization transmission structure includes driving gear (12), nut one (13) and nut two (14), above-mentioned catch bar one (4) and catch bar two
(5) it is screw rod, the nut one (13) is threadedly coupled with catch bar one (4), described nut two (14) and catch bar two (5)
Threaded connection, the driving gear (12) and the output shaft of above-mentioned motor are connected, the outside of above-mentioned nut one (13) and spiral shell
Several driving cogs, the driving cog and above-mentioned driving gear (12) that nut one (13) passes through outside are respectively provided with the outside of female two (14)
Drive connection, the nut two (14) are connected by the driving cog in outside with above-mentioned driving gear (12).
5. a kind of electric brake according to claim 4, it is characterised in that two pressure sensors (6) set respectively
Above-mentioned (13) side of nut one and the side of nut two (14) are placed in, and when the catch bar one (4) and catch bar two (5) drive
When above-mentioned brake lining (2) is resisted against in the brake disc (3), the nut one (13) and nut two (14) can be respectively to two
Above-mentioned pressure sensor (6) applies active force.
6. a kind of electric brake according to claim 4, it is characterised in that described driving gear (12) and nut one
(13) gearratio and driving gear (12) between are equal with the gearratio between nut two (14).
7. according to a kind of electric brake described in claim 1 or 3 or 4 or 5 or 6, it is characterised in that the catch bar one (4)
One end for being connected with synchronous piece (11) has connecting portion one, and the catch bar two (5) is used to be connected with synchronous piece (11)
The one end connect has connecting portion two, runs through on above-mentioned synchronous piece (11) and offers through hole one and through hole two, and the through hole one is cut
The cross sectional shape of face shape and connecting portion one matches and connecting portion one penetrate it is in through hole one and circumferentially fixed with synchronous piece (11),
The cross sectional shape of the through hole two matches with the cross sectional shape of connecting portion two and connecting portion two penetrates in through hole two and with it is synchronous
Part (11) is circumferentially fixed, and the catch bar one (4) and catch bar two (5) pass through connector (15) and synchronous piece (11) axial direction respectively
It is fixed.
8. according to a kind of electric brake described in claim 4 or 5 or 6, it is characterised in that described actuator (1) also includes
The decelerator (16) being connected with the output shaft of above-mentioned motor, above-mentioned driving gear (12) are sheathed on the output of decelerator (16)
On the outside of axle and both are fixedly connected with.
9. according to a kind of electric brake described in claim 3 or 4 or 5 or 6, it is characterised in that electric brake also includes promoting
Bar three, the catch bar three and above-mentioned catch bar one (4) are arranged at the same side of above-mentioned synchronous piece (11), and the one of the catch bar three
End is connected with above-mentioned actuator (1) by above-mentioned synchronization transmission structure, and the other end is fixedly connected with above-mentioned synchronous piece (11),
And catch bar three can be driven the driving of part (1) and release synchronous piece (11).
10. a kind of electric brake according to claim 1, it is characterised in that the catch bar one (4) and catch bar two
(5) outside is also arranged respectively and axial restraint has push-plate annular in shape (20), two push-plates (20) and above-mentioned brake lining
(2) position is relative and two push-plates (20) can be resisted against in above-mentioned brake lining (2) and promote brake lining (2) to be resisted against braking
On disk (3).
11. a kind of electric brake according to claim 4, it is characterised in that also have on the output shaft of the motor and supply
The regulation head of manual actuation, the regulation head stretch out from the motor casing rear end of above-mentioned motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763690.XA CN107542817B (en) | 2017-08-30 | 2017-08-30 | Electric brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020135620A1 (en) * | 2018-12-29 | 2020-07-02 | 比亚迪股份有限公司 | Electromechanical braking system for rail vehicle and control method for electromechanical braking system, and rail vehicle |
| CN112483565A (en) * | 2020-12-14 | 2021-03-12 | 安徽创新电磁离合器有限公司 | Wind-powered electricity generation yaw motor brake |
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| CN107542817B (en) | 2024-05-14 |
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