CN107588125B - A kind of electric mechanical brake-by-wire device - Google Patents
A kind of electric mechanical brake-by-wire device Download PDFInfo
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- CN107588125B CN107588125B CN201710814659.4A CN201710814659A CN107588125B CN 107588125 B CN107588125 B CN 107588125B CN 201710814659 A CN201710814659 A CN 201710814659A CN 107588125 B CN107588125 B CN 107588125B
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Abstract
The present invention relates to a kind of electric mechanical brake-by-wire device, including motor, transmission mechanism, one-way clutch, swingle, piston, connecting rod, friction limiting devices etc..Motor drives one-way clutch rotation by transmission mechanism, one-way clutch, which combines, drives swingle movement, the movement for driving connecting rod is moved by swingle, driving piston and braking clamp body move in the opposite direction, friction plate is compressed from brake disc two sides with identical power, realizes efficient braking effect.The configuration of the present invention is simple, reliable operation, braking efficiency is high, can automatically adjust brake clearance, and compensation is influenced as caused by friction disc wear, the design of simplified control system can be used for service brake and parking braking.
Description
Technical field
The present invention relates to brake fields, existing floating caliper type disc liquid braking device can be specifically replaced, with automatically controlled machine
The mode of tool realizes that friction plate clamps brake disc from two sides with identical pressure, while it is adjustable to may be implemented brake clearance, braking
The adjustable line traffic control mechanical brake of intensity, refers in particular to a kind of electric mechanical brake-by-wire device.
Background technique
Brake-by-wire technology is a kind of novel braking technology occurred in recent years, between brake and brake pedal not
It is realized by the information control motor work of control system receiving sensor for automobile by mechanical or fluid power connection
Reliable and stable control for brake.Mainly there are electro-hydraulic formula braking system (EHB) and mechanical type brake system electric at present
(EMB) two kinds.Line control brake system is conducive to the optimization of braking performance of vehicle, can be easily other with ABS, ASR, ESP etc.
Electronic control system combines, therefore has wide development space.
For electro-hydraulic formula braking system (EHB) from traditional brake fluid system transformation, braking process is rapider,
Stablize, improves the braking safety and comfort of automobile, but due to remaining hydraulic unit, do not have complete brake-by-wire system
The all advantages of system are often viewed as the earlier product of one kind of mechanical type brake system electric (EMB).
Mechanical type brake system electric (EMB) realizes braking process by motor drive machinery mechanism, enormously simplifies system
The structure of dynamic system, makes brake more easily arrange, assemble and overhauls.But existing mechanical type brake system electric due to
Part brake often lacks the function of brake clearance automatic adjustment, makes brake in external environmental change and friction disc wear
In the case where cause brake actuator efficiency change indefinite problem, thus to brake efficiency control bring certain difficulty.Together
When, the problems such as that there are structures is more complicated for most of brake, and installation dimension is larger.
Summary of the invention
It is an object of the invention to propose a kind of electric mechanical brake-by-wire device.The present invention has structure simple, and work can
By the advantages that, can be realized the automatic adjustment of brake clearance, by detect friction plate driving mechanism displacement or corner, i.e., it is interchangeable
Calculation obtains braking clamping force size, to enable the corresponding simplification of control system.
Realize that the technical solution of the object of the invention is as follows:
It include motor, transmission mechanism, one-way clutch, swingle, connection equipped with a kind of electric mechanical brake-by-wire device
Bar, piston, rub limiting device, braking clamp body, brake disc, friction plate；The friction plate has two panels, is arranged symmetrically in described
Brake disc two sides, one is mounted on the piston, and one is mounted on the braking clamp body；The piston via
The friction limiting device is mounted on the braking clamp body；Described friction limiting device a part is fixedly mounted on institute
On the braking clamp body stated, there is biggish frictional force between another part and the outer surface of piston, when the piston with it is described
Braking clamp body between when having relative displacement, since frictional force effect makes to generate elastic potential energy in the friction limiting device；
The input element of the motor connection transmission mechanism；It is unidirectional described in the final element connection of the transmission mechanism
Clutch, the one-way clutch connection swingle；Between the swingle and the piston, it is described
The connecting rod connection is all made of between swingle and the braking clamp body；The final element of the transmission mechanism is transported
It is dynamic, when the one-way clutch combines, the swingle is driven to rotate, the swingle both ends direction of motion on the contrary,
The connecting rod movement is driven, the connecting rod driving braking clamp body and the piston are transported in the opposite direction
It is dynamic, drive the friction plate from brake disc described in two side compressions；
When braking, the motor is moved via the transmission mechanism driving one-way clutch, described at this time
One-way clutch combine, drive the swingle rotate, the connecting rod driven to move, described connecting rod driving institute
The piston and the braking clamp body stated move in the opposite direction respectively, and the friction plate is made to be pressed on the brake disc
Two sides obtain the braking effect of high efficient and reliable, at this point, have relative displacement between the piston and the braking clamp body,
Elastic potential energy is generated in the friction limiting device；When releasing braking, the motor drives via the transmission mechanism
The one-way clutch counter motion is moved, at this time one-way clutch separation, inside the friction limiting device
Elastic potential energy effect, makes the piston and the braking clamp body relative motion, restores initial position, at this time the connection
The bar driving swingle movement, the swingle return is to adapt to the opposite of the piston and the braking clamp body
Movement；
When the friction plate have abrasion, thickness it is thinning after, when braking operation, the motor is via the driver
The structure driving one-way clutch combines, and drives the swingle to rotate, makes the piston and the braking clamp body
Relative motion, elastic potential energy reaches maximum in the friction limiting device, and since friction plate is thinning, braking effect is bad, this
The motor of Shi Suoshu works on, and the swingle is driven to continue to rotate, and overcomes the outer surface of the piston and described
Frictional force between friction limiting device, makes the piston and the braking clamp body continue to relatively move, and compresses brake disc,
Obtain reliable efficient braking effect；When releasing braking, the elastic potential energy in the friction limiting device is acted on, and is made described
Piston and the braking clamp body relative motion, the piston and the friction limiting device are at this time with new contact position
It is relatively fixed, realize the adjust automatically of brake clearance.
It further include using roller structure in the mating surface of the piston and the braking clamp body, to reduce friction resistance
Power improves system working efficiency.
It further include increasing transmission system between the one-way clutch and the swingle.
The connecting rod size is identical, is symmetrical arranged.
Connection between the connecting rod and the swingle/piston/braking clamp body, can pass through the connection
Change in location when relative motion between bar and the swingle/piston/braking clamp body meets brake operation between component,
System can also be met by the flexible deformation of junction between the connecting rod and the swingle/piston/braking clamp body
Change in location when dynamic device work between component.
When the transmission link for being zero without reverse efficiency in the transmission mechanism or the transmission system, using locking machine
Structure realizes the parking braking under the motor power blackout situation, and the lockable mechanism uses electromagnetic brake or electric-controlled mechanical system
Dynamic device can be disconnected when being powered, actuated element when power-off in fixed conveyor link, keep the friction plate and described
Brake disc between pressure size, realize parking braking function；It is arranged when in the transmission mechanism or the transmission system
When having the transmission link that reverse efficiency is zero, it can use the lockable mechanism and realize parking braking, also can use reverse efficiency
Be zero, power and movement can not back transfer, realize the parking braking under the motor power blackout situation.
It further include that the swingle is mounted on the braking clamp body, only in the piston and the swingle
Between the connecting rod is set, when braking operation, the swingle is around own axis, while with the caliper
Body moves together.
It further include that the actuated element coaxial with the swingle is mounted on the braking clamp body, only in the work
Fill in and the connecting rod be set between the swingle, when braking operation, the actuated element around own axis,
It is moved together simultaneously with the braking clamp body.
It further include that the swingle is mounted on the piston, only in the braking clamp body and the swingle
Between the connecting rod is set, when braking operation, the swingle is around own axis, while with the piston one
Play movement.
It further include that the actuated element coaxial with the swingle is mounted on the piston, only in the caliper
The connecting rod is set between body and the swingle, when braking operation, the actuated element around own axis,
It is moved together simultaneously with the piston.
Detailed description of the invention
Fig. 1 is a kind of main view of the embodiment one of electric mechanical brake-by-wire device of the invention.
Fig. 2 is a kind of main view of the embodiment two of electric mechanical brake-by-wire device of the invention.
Explanation: 1- braking clamp body 2- swingle 3- worm gear 4- driving gear 5- mandrel 6- connecting rod is marked in attached drawing
7- worm screw 8- one-way clutch 9- locking wheel 10- motor 11- motor shaft 12- electromagnetic brake 13- sealing ring 14- is living
Fill in 15- friction plate 16- brake disc 17- snap ring 18- spring 19- driven gear 20- electromagnetic coil 21- return spring
22- lock pin
Specific embodiment
With reference to attached drawing 1, one embodiment of the present of invention is described in detail.
As shown in Figure 1, a kind of electric mechanical brake-by-wire device includes a braking clamp body (1), the jaw of braking clamp body (1)
Inside have brake disc (16), the two sides of brake disc (16) have friction plate (15), and one is mounted on braking clamp body (1), and one mounted in work
It fills on (14), piston (14) is mounted on braking clamp body (1) by sealing ring (13), the contact surface of sealing ring (13) and piston (14)
Between have biggish frictional force, when the displacement of piston (14) is in the regime of elastic deformation of sealing ring (13), sealing ring (13) and
Without relative motion between the contact surface of piston (14).The other side of piston (14) has swingle (2), the connection rotation of connecting rod (6) hinge
The other end and braking clamp body (1) of one end of bull stick (2) and piston (14) and swingle (2), the center of swingle (2) passes through
One-way clutch (8) is connected with mandrel (5), and mandrel (5) is fixedly connected with worm gear (3), the worm screw with worm gear (3) cooperating
(7) it is driven by motor (10).
When braking operation, motor (10) drives worm gear mechanism rotation, and one-way clutch (8) combines at this time, drives rotation
Bull stick (2) rotation, the both ends of swingle (2) move round about respectively, drive connecting rod (6) movement, push braking clamp body
(1) it moves right, piston (14) moves downward, i.e. piston (14) and braking clamp body (1) moves in the opposite direction, drives and corresponds to
Friction plate (15) forced from two sides with identical to brake disc (16), realize the braking effect of high efficient and reliable.At this point, sealing ring
(13) flexible deformation occurs, elastic potential energy is stored, without relative motion between sealing ring (13) and the contact surface of piston (14).Release system
When starting building to make, motor (10) drives worm gear mechanism to rotate backward, at this point, one-way clutch (8) separates, at swingle (2)
In free state, the elastic potential energy release of sealing ring (13) storage makes piston (14) and braking clamp body (1) relative motion, drives
Connecting rod (6) movement, swingle (2) reversely rotate under the elastic potential energy effect in sealing ring (13), and all elements restore just
Beginning position.
When friction plate (15) are worn, after thickness is thinning, when braking operation, motor (10) is driven singly by worm gear mechanism
It is combined to clutch (8), driving swingle (2) rotation pushes piston (14) and braking clamp body (1) relative motion, sealing ring
(13) when elastic deformation amount reaches maximum, since friction plate (15) are worn, braking effect is bad, and motor (10) continues to lead at this time
Cross one-way clutch (8) driving swingle (2) rotation combined, i.e. piston (14) and braking clamp body (1) continues relative motion, because
This, sealing ring (13) keeps maximum flexibility deflection, and piston (14) overcomes the frictional force between sealing ring (13), with new
Contact surface is matched with sealing ring (13), i.e., piston (14) is greater than sealing ring (13) most relative to the displacement of braking clamp body (1)
Big elastic deformation amount.When releasing braking, motor (10) drives worm gear mechanism reversion, one-way clutch (8) separation, sealing ring
(13) elastic potential energy release, makes piston (14) and braking clamp body (1) relative motion, drives swingle (2) to reversely rotate, at this time
Sealing ring (13) and piston (14) are cooperated with new contact surface to be positioned, and return displacement is still the maximum flexibility of sealing ring (13)
Deflection, thus maintain brake clearance with abrasion before it is identical, realize the adjust automatically of brake clearance.
When needing parking braking, so that motor (10) driving friction plate (15) is compressed brake disc (16), reach parking braking
It is required that realizing the parking braking under motor (10) power blackout situation using the Worm and worm-wheel gearing that reverse efficiency is zero.Or benefit
Parking braking function is realized with lockable mechanism.
With reference to attached drawing 2, another embodiment of the invention is described.
The embodiment of attached drawing 2 and the embodiment main distinction of attached drawing 1 are as follows:
Transmission mechanism is different, is driven in attached drawing 1 using worm gear mechanism, and the mandrel (5) being fixedly connected with worm gear (3) is
The final element of transmission mechanism, one-way clutch (8) are mounted between mandrel (5) and swingle (2)；Gear is used in attached drawing 2
Mechanism driving, the mandrel (5) being fixedly connected with driven gear (19) are the final element of transmission mechanism, one-way clutch (8) peace
Between mandrel (5) and swingle (2).
The limiting device that rubs is different, realizes friction limit function using sealing ring (13) in attached drawing 1, utilizes sealing ring (13)
Flexible deformation store elastic potential energy；Friction limit function is realized using spring (18) and snap ring (17) in attached drawing 2, utilizes spring
(18) it generates flexible deformation and stores elastic potential energy.
The mode that parking braking function is realized is different,, can when using reverse efficiency as zero worm gear mechanism in attached drawing 1
Directly worm gear mechanism to be utilized to realize parking braking function, also can use lockable mechanism, i.e., the electromagnetic brake,
Electric-controlled mechanical brake apparatus etc. realizes parking braking function；In attached drawing 2, illustrates and discharged when being powered using electromagnetic brake (12)
Motor shaft (11), locking motor shaft (11) realizes the parking braking mode under motor (10) power blackout situation when power-off, also illustrates
Using the parking braking mode of electric-controlled mechanical brake apparatus, when electromagnetic coil (20) is powered, lock pin (22) by electromagnetic force,
Compression retracteding position spring (21) makes lock pin (22) be not in contact with each other with locking wheel (9), and the braking or release to brake be not any
It influences；When needing parking braking, motor (10) drives friction plate (15) to compress brake disc (16), reaches parking braking requirement,
Then electromagnetic coil (20) powers off, and lock pin (22) is inserted into the tooth of locking wheel (9) under the elastic force effect of return spring (21),
Parking braking effect is kept, the parking braking function under motor (10) power blackout situation can be realized.
The connection type of connecting rod is different, connecting rod (6) and swingle (2)/piston (14)/braking clamp body (1) in attached drawing 1
Between connection type be hinge connection, the job requirement of system is met by hinge movement.Connecting rod in the embodiment of attached drawing 2
(6) connection type between swingle (2)/piston (14) is elastic connection, during braking operation and releases braking process
In, the relative motion requirement between each component is met by the flexible deformation of junction.
Structure is different from movement characteristic, in attached drawing 1, connecting rod (6) connect swingle (2) one end and piston (14) and
The other end and braking clamp body (1) of swingle (2), the installation positioning of swingle (2) and motion state are with braking clamp body (1)
Relatively independent, it is independent of each other；In attached drawing 2, connecting rod (6) only connects one end and the piston (14) of swingle (2), swingle
(2) it being connect by one-way clutch (8) with mandrel (5), mandrel (5) is mounted on braking clamp body (1), in the course of work, rotation
Bar (2) is also moved together with braking clamp body (1) in addition to the movement around own axes.
As shown in Fig. 2, there is brake disc (16) in the jaw of braking clamp body (1), there are friction plate in the two sides of brake disc (16)
(15), one is mounted on braking clamp body (1), and one is mounted on piston (14), and piston (14) is mounted in caliper by snap ring (17)
On body (1), snap ring (17) pushes the side far from brake disc (16) to by spring (18), and spring (18) is mounted on braking clamp body (1)
On.Have biggish frictional force between snap ring (17) and the contact surface of piston (14), when piston (14) displacement spring (18) bullet
When in property deformation range, without relative motion between snap ring (17) and the contact surface of piston (14).There is rotation in the other side of piston (14)
Bar (2), connecting rod (6) connect one end and the piston (14) of swingle (2), and the center of swingle (2) passes through one-way clutch (8)
It is connected with mandrel (5), mandrel (5) is mounted on braking clamp body (1), can only be around own axis, mandrel (5) and driven gear
(19) it is fixedly connected, driven gear (19) is engaged with driving gear (4), and driving gear (4) is fixedly mounted on motor shaft (11).
When braking operation, motor (10) drives driving gear (4) rotation, drives driven gear (19) rotation, i.e. mandrel (5)
Rotation, one-way clutch (8) combines at this time, drives swingle (2) rotation, drives connecting rod (6) that piston (14) is pushed to transport to the left
It is dynamic, meanwhile, swingle (2), mandrel (5) and braking clamp body (1) move right together, drive corresponding friction plate (15) from two sides
It is forced with identical to brake disc (16), realizes the braking effect of high efficient and reliable.At this point, snap ring (17) and piston (14) move together
Dynamic, flexible deformation occurs for compressed spring (18), spring (18), stores elastic potential energy, the contact surface of snap ring (17) and piston (14)
Between without relative motion.When releasing braking operation, motor (10) drives driven gear (19) to rotate backward, at this point, one-way clutch
(8) it separates, swingle (2) is in free state, and the elastic potential energy release of spring (18) storage makes piston (14) and braking clamp body
(1) relative motion drives swingle (2) to reversely rotate under the elastic potential energy effect in spring (18), and all elements restore just
Beginning position.
When friction plate (15) are worn, after thickness is thinning, when braking operation, motor (10) by gear mechanism drive unidirectionally from
Clutch (8) combines, and driving swingle (2) rotation pushes piston (14) and braking clamp body (1) relative motion, the bullet of spring (18)
Property deflection reach maximum, snap ring (17) is close to when on the step surface of left side, and since friction plate (15) are worn, braking effect is not
Good, motor (10) is continued to rotate by one-way clutch (8) driving swingle (2) combined at this time, i.e. piston (14) and braking
Caliper (1) continues relative motion, and therefore, spring (18) keeps maximum flexibility deflection, and piston (14) overcomes and snap ring (17)
Between frictional force, matched with new contact surface with snap ring (17).When releasing braking, motor (10) drives gear mechanism anti-
Turning, one-way clutch (8) separation, the elastic potential energy release of spring (18) makes piston (14) and braking clamp body (1) relative motion,
Swingle (2) rotation is driven, snap ring (17) and piston (14) are cooperated at this time with new contact surface positions, and return displacement is still
The maximum flexibility deflection of spring (18), thus maintain brake clearance with abrasion before it is identical, realize the automatic of brake clearance
Adjustment.
When needing parking braking, so that motor (10) driving friction plate (15) is compressed brake disc (16), reach parking braking
It is required that then electromagnetic brake (12) powers off, locking motor shaft (11) keeps brake efficiency constant, motor can be realized at this time
(10) parking braking function under power blackout situation.When electromagnetic brake (12) is powered, discharge motor shaft (11), at this time braking moment
Size can freely be controlled by motor (10).Or electric-controlled mechanical brake apparatus is used, locking wheel is installed on motor shaft (11)
(9), when energization, electromagnetic coil (20) makes lock pin (22) return, and when power-off, lock pin (22) is inserted into the tooth of locking wheel (9),
Realize the parking braking function under motor (10) power blackout situation.
In this embodiment, electric-controlled mechanical brake apparatus can also act directly on driving gear (4) or driven gear
(19) on, similar parking braking effect can be obtained.
In the embodiment of attached drawing 1, one-way clutch (8) can also be arranged in worm gear (3), or be arranged in worm screw (7)
In；In the embodiment of attached drawing 2, one-way clutch (8) can also be arranged in driving gear (4) or in driven gear (19),
As content to be protected needed for claim 3.
In the embodiment of attached drawing 2, mandrel (5) is the actuated element coaxial with swingle (2), is mounted on braking clamp body
(1) on；If one-way clutch (8) is arranged in driven gear (19), mandrel (5) and swingle (2) one, as swingle
(2) it is mounted on braking clamp body (1), these structures belong to the specific embodiment content that claim 7~8 is stated.
Transmission mechanism except using fixed axis gear mechanism, can also use outside worm gear mechanism direct-drive, lever drive,
Other kinds of drive such as drag-line transmission, chain conveyer, V belt translation, Planetary Gear Transmission, friction limiting device, which removes, uses sealing ring, bullet
It can also be achieved similar function using other structures outside spring/snap ring, lockable mechanism can also act on lock pin
On dedicated latch ratchet on other gears or with gear one, or the modes such as ratchet and pawl arrangement are installed on motor shaft and are realized
Latch functions.Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments, base
Embodiment in the present invention, one of ordinary skilled in the art are obtained under the premise of no progress creative work
Other all embodiments, belong to protection scope of the present invention.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved direct application
It is within the scope of the present invention in other occasions.
Claims (10)
- It include motor 1. a kind of electric mechanical brake-by-wire device, transmission mechanism, one-way clutch, swingle, connecting rod, piston, Rub limiting device, braking clamp body, brake disc, friction plate；The friction plate has two panels, is arranged symmetrically in the brake disc Two sides, one is mounted on the piston, and one is mounted on the braking clamp body；The piston rubs via described Limiting device is wiped to be mounted on the braking clamp body；Described friction limiting device a part is fixedly mounted on the braking On caliper, there is biggish frictional force between another part and the outer surface of piston, when the piston and the caliper When having relative displacement between body, since frictional force effect makes to generate elastic potential energy in the friction limiting device；The electricity The input element of the machine connection transmission mechanism；The final element connection of the transmission mechanism one-way clutch, The one-way clutch connection swingle；Between the swingle and the piston, the swingle The connecting rod is all made of between the braking clamp body to connect；The final element of the transmission mechanism moves, described One-way clutch combine when, drive the swingle rotate, the swingle both ends direction of motion on the contrary, drive described in Connecting rod movement, the described connecting rod driving braking clamp body and the piston are moved in the opposite direction, are driven The friction plate is from brake disc described in two side compressions；When braking, the motor is moved via the transmission mechanism driving one-way clutch, at this time the list It is combined to clutch, drives the swingle to rotate, the connecting rod is driven to move, described in the connecting rod driving Piston and the braking clamp body move in the opposite direction respectively, and the friction plate is made to be pressed on the brake disc two Side obtains the braking effect of high efficient and reliable, at this point, having relative displacement between the piston and the braking clamp body, in institute Elastic potential energy is generated in the friction limiting device stated；When releasing braking, the motor drives via the transmission mechanism The one-way clutch counter motion, the one-way clutch separates at this time, the bullet inside the friction limiting device Property potential energy effect, make the piston and the braking clamp body relative motion, restore initial position, at this time the connecting rod The swingle movement is driven, the swingle return is transported to adapt to the opposite of the piston and the braking clamp body It is dynamic；When the friction plate have abrasion, thickness it is thinning after, when braking operation, the motor drives via the transmission mechanism It moves the one-way clutch to combine, drives the swingle to rotate, keep the piston and the braking clamp body opposite It moves, elastic potential energy reaches maximum in the friction limiting device, and since friction plate is thinning, braking effect is bad, at this time institute The motor stated works on, and the swingle is driven to continue to rotate, and overcomes the outer surface of the piston and the friction Frictional force between limiting device makes the piston and the braking clamp body continue to relatively move, and compresses brake disc, obtains Reliable efficient braking effect；When releasing braking, the elastic potential energy in the friction limiting device is acted on, and makes the piston With the braking clamp body relative motion, the piston and the friction limiting device are opposite with new contact position at this time It is fixed, realize the adjust automatically of brake clearance.
- 2. a kind of electric mechanical brake-by-wire device according to claim 1, it is characterised in that further include in the piston System working efficiency is improved to reduce frictional resistance using roller structure in the mating surface of the braking clamp body.
- 3. a kind of electric mechanical brake-by-wire device according to claim 1, it is characterised in that further include described unidirectional Increase transmission system between clutch and the swingle.
- 4. a kind of electric mechanical brake-by-wire device according to claim 1, it is characterised in that the connecting rod size phase Together, it is symmetrical arranged.
- 5. according to claim 1 or a kind of electric mechanical brake-by-wire device as claimed in claim 4, it is characterised in that the company Connection between extension bar and the swingle/piston/braking clamp body can pass through the connecting rod and the rotation Change in location when relative motion between bar/piston/braking clamp body meets brake operation between component, can also be by described Connecting rod and the swingle/piston/braking clamp body between the flexible deformation of junction component when meeting brake operation Between change in location.
- 6. according to claim 1 or a kind of electric mechanical brake-by-wire device as claimed in claim 3, it is characterised in that when described When the transmission link for being zero without reverse efficiency in transmission mechanism or the transmission system, the motor is realized using lockable mechanism Parking braking under power blackout situation, the lockable mechanism use electromagnetic brake or electric-controlled mechanical brake apparatus, can be logical It is disconnected when electric, actuated element when power-off in fixed conveyor link keeps pressure between the friction plate and the brake disc Size, realize parking braking function；It is zero when being provided with reverse efficiency in the transmission mechanism or the transmission system When transmission link, it can use the lockable mechanism and realize parking braking, also can use reverse efficiency is zero, power and movement Can not back transfer, realize the parking braking under the motor power blackout situation.
- 7. according to claim 1 or a kind of electric mechanical brake-by-wire device as claimed in claim 3, it is characterised in that further include institute The swingle stated is mounted on the braking clamp body, and the company is only arranged between the piston and the swingle Extension bar, when braking operation, the swingle is moved together around own axis, while with the braking clamp body.
- 8. according to claim 1 or a kind of electric mechanical brake-by-wire device as claimed in claim 3, it is characterised in that further include with The coaxial actuated element of the swingle is mounted on the braking clamp body, only in the piston and the swingle Between the connecting rod is set, when braking operation, the actuated element is around own axis, while with the braking Caliper moves together.
- 9. according to claim 1 or a kind of electric mechanical brake-by-wire device as claimed in claim 3, it is characterised in that further include institute The swingle stated is mounted on the piston, and the company is only arranged between the braking clamp body and the swingle Extension bar, when braking operation, the swingle is moved together around own axis, while with the piston.
- 10. according to claim 1 or a kind of electric mechanical brake-by-wire device as claimed in claim 3, it is characterised in that further include Coaxial actuated element is mounted on the piston with the swingle, only in the braking clamp body and the rotation The connecting rod is set between bar, and when braking operation, the actuated element is around own axis, while with the work Plug moves together.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710814659.4A CN107588125B (en) | 2017-08-28 | 2017-08-28 | A kind of electric mechanical brake-by-wire device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814659.4A CN107588125B (en) | 2017-08-28 | 2017-08-28 | A kind of electric mechanical brake-by-wire device |
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| CN107588125A CN107588125A (en) | 2018-01-16 |
| CN107588125B true CN107588125B (en) | 2019-03-22 |
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| CN109654140A (en) * | 2019-01-02 | 2019-04-19 | 安徽理工大学 | A kind of vertical duction braking method based on electromechanical mechanism |
| CN110469601B (en) * | 2019-07-27 | 2021-01-15 | 浙江师范大学 | Self-energizing wire control actuator |
| CN110578760A (en) * | 2019-08-20 | 2019-12-17 | 浙江师范大学 | Electronic mechanical hydraulic line control brake |
| CN114396439B (en) * | 2022-03-09 | 2023-06-30 | 浙江师范大学 | Linear control actuator |
| CN115727074B (en) * | 2022-10-31 | 2023-08-29 | 清华大学 | Braking device and vehicle |
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| CN107588125A (en) | 2018-01-16 |
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