CN108087545A - Parking and braking mechanism, parking braking system, automatic gear-box and automobile - Google Patents
Parking and braking mechanism, parking braking system, automatic gear-box and automobile Download PDFInfo
- Publication number
- CN108087545A CN108087545A CN201611031869.8A CN201611031869A CN108087545A CN 108087545 A CN108087545 A CN 108087545A CN 201611031869 A CN201611031869 A CN 201611031869A CN 108087545 A CN108087545 A CN 108087545A
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- China
- Prior art keywords
- parking
- pressing
- sliding block
- braking mechanism
- rocking arm
- 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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3425—Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
-
- 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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3425—Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
- F16H63/3433—Details of latch mechanisms, e.g. for keeping pawls out of engagement
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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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3458—Parking lock mechanisms or brakes in the transmission with electric actuating means, e.g. shift by wire
- F16H63/3466—Parking lock mechanisms or brakes in the transmission with electric actuating means, e.g. shift by wire using electric motors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
A kind of parking and braking mechanism, parking braking system, automatic gear-box and automobile, wherein parking and braking mechanism are used to lock spreadet spreadet wheel, including：Pawl and parking sliding block, the parking sliding block can promote the pawl to move, and make the pawl locking spreadet spreadet wheel；Movable pressing, the pressing can move to lock position and unlocked position, and when the pressing is located at the lock position, the pressing being capable of parking sliding block described in clamping, when the pressing is located at the unlocked position, the pressing releases the clamping to the parking sliding block.Therefore, when needing to unlock spreadet spreadet wheel, pressing is made to move to unlocked position, pressing releases the clamping to parking sliding block, at this time, as long as a smaller active force is applied to parking sliding block, just parking sliding block can be made to be separated with pawl, complete unlock, thus, a driving motor with relatively small torque is only needed, so as to reduce cost.
Description
Technical field
The present invention relates to automobile technical fields, and in particular to a kind of parking and braking mechanism, parking braking system, fluid drive
Case and automobile.
Background technology
In automatic transmission vehicle, the gear of gearbox is divided into P grades, R grades, N grades, D grades etc..Wherein P grades is parking shift, corresponding
The parking braking system of transmission internal；Its role is to enable automatic catch vehicle that can pass through as manual vehicle
Gear limits the movement of vehicle.
It is parking braking system structure chart of the prior art with reference to Fig. 1, parking braking system includes parking and braking mechanism
90th, spreadet spreadet wheel 98 and driving motor 99.Wherein, parking and braking mechanism 90 includes pawl 91 and rocking arm 92, and pawl 91 can be transported
It moves to locking spreadet spreadet wheel 98；Driving motor 99 can drive rocking arm 92, and rocking arm 92 is made to be rotated around shaft 92a.
Parking pull rod 93 is fixed on rocking arm 92, when rocking arm 92 is rotated around shaft 92a, parking can be driven
Pull rod 93 moves, and parking pull rod 93 is made to be arranged with parking sliding block 94 on parking pull rod 93 close to pawl 91 or away from pawl 91.
When needing to realize parking braking, driving motor 99 drives rocking arm 92 to rotate, and rocking arm 92 promotes parking pull rod 93 to lean on
Nearly pawl 91, parking pull rod 93 drive parking sliding block 94 to be moved towards pawl 91, and parking sliding block 94 is made to contact pawl 91 and is promoted
Pawl 91 moves, so that pawl 91 locks spreadet spreadet wheel 98, spreadet spreadet wheel 98 is fixedly attached on the output shaft of gearbox, because
And it can realize parking braking.Fig. 1 be in the prior art pawl 91 lock spreadet spreadet wheel 98 when state diagram.
In the prior art, parking and braking mechanism 90 further includes pressing 95, and pressing 95 is fixed on installing plate 96, makees
With being：When realizing parking braking, pressing 95 can clamping parking sliding block 94, prevent the unexpected abjection of parking sliding block 94 from causing thing
Therefore.
Thus, the active force of 95 clamping parking sliding block 94 of pressing is larger, need to be in parking when needing to unlock spreadet spreadet wheel 98
Apply a larger active force on sliding block 94, parking sliding block 94 and pawl 91 is made to be separated and realize unlock；It is applied to parking cunning
For active force on block 94 from driving motor 99, this requires driving motors 99 with larger torque, at present, drive in the market
For the unlock torque of dynamic motor 99 often in 11Nm or so, motor cost is very high.
The content of the invention
The present invention solve the problems, such as be parking braking system of the prior art when unlocking spreadet spreadet wheel it is necessary to have compared with
The driving motor of high-torque causes driving motor cost higher.
To solve the above problems, the present invention provides a kind of parking and braking mechanism.Parking and braking mechanism is used to lock locking tooth
Wheel, the parking and braking mechanism include：Pawl and parking sliding block, the parking sliding block can promote the pawl to move, make institute
State pawl locking spreadet spreadet wheel；Movable pressing, the pressing can move to lock position and unlocked position, when the pressure
Pins position when the lock position, the pressing can parking sliding block described in clamping, when the pressing is located at the unlocked position
When, the pressing releases the clamping to the parking sliding block.
Optionally, the parking and braking mechanism further includes the first installing plate perpendicular to the pressing, first installation
Plate is equipped with the first sliding groove, and the first sliding groove extends along plane where installing plate, and one end of the pressing is arranged on described the
In one sliding slot, and the lock position, unlocked position can be slid into along the first sliding groove.
Optionally, the parking and braking mechanism further includes the first actuator, and first actuator can drive the pressure
Pin is moved to the lock position.
Optionally, the first mandrel is fixed on first installing plate, first mandrel, pressing are located at described first
The homonymy of installing plate；First actuator is arranged on first mandrel, and can be surrounded first mandrel and be rotated, institute
Stating the first actuator has the arcwall face for surrounding first mandrel, and the arcwall face can fit with the pressing, and push away
It moves the pressing and moves to the lock position.
Optionally, the pressing can also be fixed on the lock position by the arcwall face.
Optionally, the first torsional spring is arranged on first mandrel, first torsional spring can drive first driving
Part resets, and first actuator is made to be rotated around first mandrel, and the pressing is promoted to move to the lock position.
Optionally, the parking and braking mechanism further includes the second actuator, and second actuator can drive described stay
Vehicle slide block movement enables the parking sliding block that the pawl to be promoted to move.
Optionally, second actuator includes the rotation axis and the fixed setting that are fixed on first installing plate
Rocking arm in the rotation axis, the rotation axis can rotate and rocking arm driven to be rotated around the rotation axis；The rocking arm
It is connected with the parking sliding block, the parking slide block movement can be driven.
Optionally, the pressing can also be fixed on the lock position by the arcwall face；The parking and braking mechanism
The connector to extend radially outwardly along first mandrel is further included, the connector is fixed at first actuator
On；The connector has the plane towards the rocking arm, and the rocking arm offsets with the plane；When the rocking arm is around described
When rotation axis is rotated, the rocking arm can drive the connector to rotate around first mandrel.
Optionally, the rocking arm includes the first rocking arm and the second rocking arm positioned at the rotation axis both sides；Described first shakes
Arm offsets with the connector, and the connector can be driven to rotate around first mandrel；Second rocking arm
It is connected with the parking sliding block, the parking slide block movement can be driven.
Optionally, second rocking arm is equipped with the second sliding slot；The parking and braking mechanism further includes parking pull rod, described
Parking pull rod is arranged in parallel with first installing plate, and the parking pull rod has the bending part towards first installing plate,
The bending part is arranged in second sliding slot, and can be slided along second sliding slot；The parking sliding block is set in described
The periphery of parking pull rod, second rocking arm is by driving the parking pull rod to drive the parking slide block movement.
Optionally, the parking sliding block can axially slide along the parking pull rod；The periphery of the parking pull rod also covers
Equipped with helical spring, one end of the helical spring is fixed to the parking pull rod, and the other end of the helical spring is fixed to
The parking sliding block.
Optionally, the 3rd torsional spring is arranged in the rotation axis, the 3rd torsional spring connects with the parking pull rod；It is described
3rd torsional spring can drive the parking pull rod to be slided along the second sliding slot, make the parking pull rod away from the pawl.
Optionally, the parking and braking mechanism further includes locating part, and the locating part is fixed at first installation
On plate, the locating part has through hole, and the parking pull rod passes through the through hole, and the locating part is used for the parking pull rod
Radial deflection during the motion carries out /V.
Optionally, first actuator includes the first driving motor and the first drive rod, and first drive rod is fixed
The pressing and first driving motor are connected, first driving motor can be by described in first drive rod driving
Pressing is moved to the lock position and unlocked position.
Optionally, second actuator includes the second driving motor and the second drive rod, and second drive rod is fixed
The parking sliding block and second driving motor are connected, second driving motor can be driven by second drive rod
The parking slide block movement.
Optionally, the pressing can also be fixed on the lock position by first actuator；Second driving
Motor can also drive first actuator to be rotated around first mandrel, and first actuator is made to release to the pressure
Sell the fixation on the lock position.
In order to solve the above technical problems, the present invention also provides a kind of parking braking system, including above-described parking system
Motivation structure.
In order to solve the above technical problems, the present invention also provides a kind of automatic gear-box, including above-described parking braking
System.
In order to solve the above technical problems, the present invention also provides a kind of automobile, which includes above-described fluid drive
Case.
Compared with prior art, technical scheme has the following advantages：
The technical program provides a kind of parking and braking mechanism, and including movable pressing, pressing can move to locking position
Put and unlocked position, when pressing is located at lock position, pressing can clamping parking sliding block, when pressing is located at unlocked position,
Pressing releases the clamping to parking sliding block.
Therefore, when needing to lock spreadet spreadet wheel, pressing is made to move to lock position, pressing can clamping parking sliding block,
Prevent parking sliding block from surprisingly deviating to cause the accident；When needing to unlock spreadet spreadet wheel, pressing is made to move to unlocked position, pressing solution
Except the clamping to parking sliding block, as long as at this point, to parking sliding block apply a smaller active force, just can make parking sliding block with
Pawl is separated, and completes unlock, that is to say, that as long as driving motor applies a smaller active force and can be realized as unlocking,
Thus, it is only necessary to a driving motor with relatively small torque, so as to reduce cost.
Description of the drawings
Fig. 1 is present invention parking braking system structure chart of the prior art；
Fig. 2 is the parking braking system structure chart (one) of the specific embodiment of the invention；
Fig. 3 is the parking and braking mechanism structural exploded view of the specific embodiment of the invention；
Fig. 4 is the first actuator structure chart of the specific embodiment of the invention；
Fig. 5 is the parking and braking mechanism structure chart (two) of the specific embodiment of the invention；
Fig. 6 is the parking and braking mechanism sectional view of the specific embodiment of the invention；
Structure chart when Fig. 7 is the parking and braking mechanism locking spreadet spreadet wheel of the specific embodiment of the invention；
Fig. 8 is structure chart of the parking and braking mechanism of the specific embodiment of the invention in releasing process；
Fig. 9 is parking and braking mechanism partial enlarged view shown in Fig. 8；
Structure chart when Figure 10 is the parking and braking mechanism unlock spreadet spreadet wheel of the specific embodiment of the invention；
Figure 11 is the three-dimensional structure diagram when parking and braking mechanism of the specific embodiment of the invention is fixed.
Specific embodiment
It is understandable for the above objects, features and advantages of the present invention is enable to become apparent, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
With reference to Fig. 2, parking braking system includes parking and braking mechanism 100, spreadet spreadet wheel 200 and driving motor 300.Parking
Arrestment mechanism 100 is arranged between spreadet spreadet wheel 200 and driving motor 300, and driving motor 300 passes through parking and braking mechanism 100
Realize locking spreadet spreadet wheel 200 or unlock spreadet spreadet wheel 200.
Specifically, spreadet spreadet wheel 200 has along its circumferentially distributed gear teeth 210, tooth is formed between the two neighboring gear teeth 210
Slot 220, spreadet spreadet wheel 200 are fixedly attached on the output shaft 400 of gearbox.
Parking and braking mechanism 100 has pawl 10, and pawl 10 has two states, lockup state and released state.One
As in the case of, pawl 10 is in the unlocked state, at this point, keeping certain distance, spreadet spreadet wheel between pawl 10 and spreadet spreadet wheel 200
200 are not locked up, and power can be transferred to transmission shaft (not shown) by gearbox by output shaft 400, and automobile can be just
Often traveling.Pawl 10 can move to lockup state under the effect of external force, at this point, pawl 10 is fallen into tooth socket 220, locking tooth
Wheel 200 is locked, and output shaft 400 can not move, automobile brake.
The power that driving pawl 10 moves to lockup state is directed to the parking sliding block 20 of parking and braking mechanism 100, root
This derives from driving motor 300.When parking sliding block 20 is close to pawl 10, pawl 10 can be promoted to move to lockup state；When
When parking sliding block 20 is away from pawl 10, pawl 10 can recover to released state.
Fig. 2 shows 100 structure chart of parking and braking mechanism when pawl 10 is in two states, wherein, dotted portion table
Show that pawl 10 is in lockup state, bold portion represents that pawl 10 is in the unlocked state.
Parking and braking mechanism 100 further includes pressing 30, and when pawl 10 is in lockup state, parking sliding block 20 is located at pressing
Between 30 and pawl 10, the position of pressing 30 is fixed at this time, and 30 clamping parking sliding block 20 of pressing can prevent parking sliding block 20 from anticipating
Outer abjection so that pawl 10 recovers released state, and automobile brake releases, and causes contingency.
Pressing 30 can prevent the unexpected abjection of parking sliding block 20, cause the accident；But simultaneously as pressing 30 is applied to parking
Clamping force on sliding block 20, when really needing to unlock spreadet spreadet wheel 200, parking sliding block 20 can not be deviate from easily.The prior art
In, in order to solve the above-mentioned technical problem, add the driving force of driving motor 300, it is therefore desirable to improve the torsion of driving motor 300
Square so that 300 cost of driving motor is substantially improved.
In order to solve the technical issues of 300 torque of driving motor is big, of high cost, this can be realized by cancelling pressing 30
Technique effect, still, after cancelling pressing 30, technical staff can not avoid parking sliding block 20 unexpected de- by effective technological means
Go out, cause the generation of contingency.
The study found that the big basic reason of 300 torque of driving motor is：Pressing 30 of the prior art is fixing piece,
It is not movable；If pressing 30 is designed as movement parts, it can solve the problems, such as that 300 torque of driving motor is big.
Specifically, pressing 30 is enable to move to lock position and unlocked position (any other position in addition to lock position
Put), when needing to lock spreadet spreadet wheel 200, pressing 30 is made to be fixed on lock position, at this point, pressing 30 can slide parking
Block 20 applies clamping force, prevents the unexpected abjection of parking sliding block 20.When needing to release the locking to spreadet spreadet wheel 200, make pressing
30 release fixation on lock position, i.e., pressing 30 can move to unlocked position, at this point, pressing 30 is released to parking sliding block 20
Clamping force so that driving motor 300 applies smaller power, it becomes possible to deviate from parking sliding block 20, pawl 10 recover to unlock
State releases the locking to spreadet spreadet wheel 200.
That is, when pressing 30 is located at lock position, pressing 30 can clamping parking sliding block 20, when pressing 30 is located at
During unlocked position, pressing 30 releases the clamping to parking sliding block 20.
In the present embodiment, parking and braking mechanism 100 includes movable pressing 30, and pressing 30 can move to lock position
And unlocked position, when pressing 30 is located at lock position, pressing 30 can clamping parking sliding block 20, when pressing 30 be located at solution lock-bit
When putting, pressing 30 releases the clamping to parking sliding block 20.
It should be noted that when the pressing 30 in the present embodiment is located at lock position, pressing 30 being capable of clamping parking cunning
Block 20；It is not meant to when pressing 30 is located at lock position, pressing 30 is centainly in the state of clamping parking sliding block 20, also
It is to say, when pressing 30 is located at lock position, pawl 10 might not be in lockup state, lock spreadet spreadet wheel 200.
With reference to Fig. 3, for the parking and braking mechanism exploded view of the present embodiment.Specifically in the present embodiment, parking and braking mechanism
100 further include the first installing plate 40a, the first installing plate 40a perpendicular to pressing 30 equipped with the first sliding groove 41, the first sliding groove 41
Plane extension where along the first installing plate 40a.One end of pressing 30 is arranged in the first sliding groove 41, and can be along the first sliding groove 41
It slides, pressing 30 can slide into lock position, unlocked position along the first sliding groove 41.
In the present embodiment, on the premise of ensureing that pressing 30 can move to lock position, unlocked position, to the first sliding groove
There is no limit for 41 extending direction on the first installing plate 40a.
In order to make pressing 30 that can only be slid along the first sliding groove 41, pressing 30 is prevented along perpendicular to the first installing plate 40a's
Direction moves, and pressing 30 is additionally provided with step 31 in one end of insertion the first sliding groove 41, and step 31 can fit in the first installing plate
The plate face of 40a, prevent pressing 30 it is excessive stretch into the first sliding groove 41.
In other embodiments, other component may be employed instead of the first installing plate 40a.For example, setting track, make pressing
30 can be along the track motion to unlocked position, lock position；Clamping jaw can also be set, and the clamping jaw is for fixing pressing 30, profit
Clamping jaw is controlled with circuit, enables clamping jaw that pressing 30 is transported to unlocked position, lock position.
In order to realize when needing to lock spreadet spreadet wheel 200, pressing 30 is enable to move to the technique effect of lock position.
Parking and braking mechanism 100 further includes the first actuator 50, and the first actuator 50 can drive pressing 30 to be moved to lock position.
Referring in particular to Fig. 2, Fig. 3, the first mandrel 51, the first mandrel 51, pressing 30 are fixed on the first installing plate 40a
In the homonymy of the first installing plate 40a；First actuator 50 is arranged on the first mandrel 51, and can be revolved around the first mandrel 51
Turn, the first actuator 50 has the arcwall face around the first mandrel 51, and arcwall face can fit with pressing 30.
When the first actuator 50 is rotated around the first mandrel 51, arcwall face can promote pressing 30 to move to locking position
It puts.
Specifically, with reference to Fig. 4, arcwall face has first position 50a, second position 50b, and first position 50a drives from first
The distance of 50 pivot of moving part is less than second position 50b with a distance from 50 pivot of the first actuator, when the first actuator
50 rotate around the first mandrel 51, are bonded from first position 50a with pressing 30, until second position 50b is bonded with pressing 30, first
Actuator 50 promotes pressing 30 to move to lock position.
The lock position of the present embodiment middle press pin 30 is：When second position 50b is bonded with pressing 30, the position residing for pressing 30
It puts, the other positions in the first sliding groove 41 are unlocked position.Second position 50b in the present embodiment drives for arcwall face from first
The farthest distance of 50 pivot of moving part, in other embodiment, second position 50b can also be the other positions on arcwall face.
In order to realize clamping of the pressing 30 to parking sliding block 20, after pressing 30 is driven to lock position, also need to press
Pin 30 is fixed on lock position.In the present embodiment, when second position 50b fits with pressing 30, second position 50b can also
Pressing 30 is fixed on lock position, i.e., when pawl 10 lock spreadet spreadet wheel 200 when, second position 50b always with 30 phase of pressing
Fitting, to ensure that pressing is in lock position always.
That is, the first actuator 50 can not only drive pressing 30 to move to lock position, additionally it is possible to by pressing 30
It is fixed on lock position.
In other embodiments, the first actuator 50 can be merely responsible for driving pressing 30 to lock position, when pressing 30
After moving to lock position, pressing 30 is fixed using other modes.For example, setting fastener in the first sliding groove 41, work as pressing
30 when moving to lock position, and pressing 30 can be blocked and fixed by fastener；When needing to unlock spreadet spreadet wheel 200, engaging
Part discharges pressing 30, and pressing 30 is enable to move to unlocked position.
With continued reference to Fig. 4, the first actuator 50 in the present embodiment is in cam face, and arcwall face is the periphery of cam
Face；In other embodiments, the first actuator 50 can be other shapes, as long as the shape has first position 50a, second
Put 50b and the curved surface between first position 50a, second position 50b.
In the present embodiment, the first torsional spring 53 is also arranged on the first mandrel 51, the first torsional spring 53 can drive the first drive
Moving part 50 resets, and the first actuator 50 is made to be rotated around the first mandrel 51, and pressing 30 is promoted to move to lock position.
It should be noted that the first torsional spring 53 drives the first actuator 50 to rotate in the present embodiment, make the first actuator 50
Pressing 30 is promoted to move to lock position；It is not meant to, when the first actuator 50 promotes pressing 30 to move to lock position,
First torsional spring 53 no longer drives the first actuator 50 to continue to rotate.First actuator 50 does not continue to the reason for rotation,
In there is other active forces to act on the first actuator 50,50 stress balance of the first actuator, thus it is stationary.
In other embodiments, it can also use other modes that the first actuator 50 is driven to be revolved around the first mandrel 51
Turn.Such as：First actuator 50 is fixed on the first mandrel 51, by motor the first mandrel 51 is driven to rotate, the first mandrel 51
The first actuator 50 is driven to be rotated.
In other embodiments, the first actuator can also use other forms, such as：First actuator includes first and drives
Dynamic motor moves to lock position by the first driving motor driving pressing 30, the first driving motor can also be made to drive pressing 30
Move to unlocked position.Specifically, the first drive rod can be set between the first driving motor and pressing 30, make the first driving
One end of bar is fixedly connected with pressing 30, the other end is fixedly connected with the first driving motor, and the first driving motor can drive by first
Lever driving pressing 30 moves in the first sliding groove, and pressing 30 is made to be moved to unlocked position or lock position.
With continued reference to Fig. 2, Fig. 3, parking and braking mechanism 100 further includes the second actuator 60, and the second actuator 60 can drive
Dynamic parking sliding block 20 moves, and enables parking sliding block 20 that pawl 10 to be promoted to move.
Specifically, the second actuator 60 includes rotation axis 61 and the rocking arm 62 being fixed in rotation axis 61, rotation axis
61 are fixed on the first installing plate 40a, and rotation axis 61, the first mandrel 51, the second mandrel 11 are located at the first installing plate 40a's
Homonymy, rocking arm 62 are plate, are arranged in parallel with the first installing plate 40a.
Rotation axis 61 can be rotated around central shaft, and rocking arm 62 is driven to be rotated around rotation axis 61, be shaken
Arm 62 is connected with parking sliding block 20.When rocking arm 62 is rotated around rotation axis 61, rocking arm 62 can drive parking sliding block 20 to move,
Making parking sliding block 20, when parking sliding block 20 is close to pawl 10, parking sliding block 20 can push away close to pawl 10 or away from pawl 10
Pawl 10 moves, and pawl 10 is made to be in lockup state, locks spreadet spreadet wheel 200；When parking sliding block 20 is away from pawl 10,
Parking sliding block 20 is separated with pawl 10, and pawl 10 can recover automatically to released state, unlock spreadet spreadet wheel 200.
Rotation axis 61 in the present embodiment is connected with driving motor 300, by driving motor 300 rotation axis 61 is driven to be revolved
Turn.
In the present embodiment, when parking sliding block 20 is separated with pawl 10, pawl 10 can recover automatically to the original of released state
Because being：The second mandrel 11 is additionally provided on first installing plate 40a, the first mandrel 51, the second mandrel 11, pressing 30 are respectively positioned on first
The homonymy of installing plate 40a, the second mandrel 11 are equipped with the second torsional spring 12, and the second torsional spring 12 can drive pawl 10 to reset, make spine
Pawl 10 is in the unlocked state.
As described above, the first actuator 50 can drive pressing 30 to move to lock position, and pressing 30 is fixed on
Lock position.The reason for making the first actuator 50 fixed, is that the collective effect of the first torsional spring 53 and applied external force makes
One actuator, 50 stress balance.
This applied external force can be provided by motor, can also be provided by other forms.Specifically in the present embodiment
In, which is provided by the second actuator 60.
Specifically, parking and braking mechanism 100 also has the connector 52 to extend radially outwardly along the first mandrel 51, connector
52 are fixed on first actuator 50.Connector 52 has the plane 52a (Fig. 4) towards rocking arm 62, rocking arm 62
Outer circumferential surface offsets with plane 52a.
Therefore, when rocking arm 62 is rotated around rotation axis 61, different position and plane 52a on 62 outer circumferential surface of rocking arm
It offsets, when the distance of these positions and 62 pivot of rocking arm is inconsistent, it becomes possible to connector 52 be made to surround the first mandrel 51
It rotates.
In the present embodiment, catch bar 65 is equipped on rocking arm 62, catch bar 65 is located at the edge of rocking arm 62, and perpendicular to
Rocking arm 62, catch bar 65 can offset with plane 52a.When rocking arm 62 is rotated to when catch bar 65 and plane 52a being made to offset, connector
52 can drive the first actuator 50, make the first actuator 50 that pressing 30 just are fixed on lock position；When rocking arm 62 rotates
To when other positions being made to offset with plane 52a, connector 52 can drive the first actuator 50, make the releasing pair of the first actuator 50
The fixation of pressing 30.
The effect of catch bar 65 is set to be：When pressing 30 is fixed on lock position by the first actuator 50, connector
52 can preferably offset with rocking arm 62.In other embodiments, catch bar can not also be set, do not influence the technical program
Implement.
In the present embodiment, connector 52 can offset with rocking arm 62 always, this is because being arranged on the first mandrel 51
First torsional spring 53, the first torsional spring 53 can drive the first actuator 50 to reset, that is, can drive connection part 52 reset, make company
Fitting 52 offsets always with rocking arm 62.
With continued reference to Fig. 3, rocking arm 62 can be divided into two parts, respectively the first rocking arm positioned at 61 both sides of the second mandrel
62a, the second rocking arm 62b.In the present embodiment, the first rocking arm 62a offsets with connector 52, can make connector 52 around described the
One mandrel 51 rotates；Second rocking arm 62b is connected with parking sliding block 20, and parking sliding block 20 can be driven to move.
Therefore, rocking arm 62 is during driving parking sliding block 20 moves, additionally it is possible to the first actuator 50 be driven to move, adjusted
The position relationship of whole first actuator 50 and parking sliding block 20.Rocking arm 62 has there are two function simultaneously, simplifies parking braking machine
The structure of structure 100.
Specifically, when needing to lock spreadet spreadet wheel 200, rotation axis 61 rotates, and the first rocking arm 62a, the second rocking arm 62b enclose
It is rotated around rotation axis 61.Second rocking arm 62b promotes parking sliding block 20 close to pawl 10, and pawl 10 is promoted to lock spreadet spreadet wheel
200；At this point, the first rocking arm 62a makes the first actuator 50 that pressing 30 just are fixed on lock position by connector 52.
When needing to unlock spreadet spreadet wheel 200, rotation axis 61 rotates, and the first rocking arm 62a, the second rocking arm 62b are around rotation
Axis 61 rotates.Second rocking arm 62b pulls parking sliding block 20 away from pawl 10；At this point, the first rocking arm 62a makes by connector 52
One actuator 50 releases the fixation to pressing 30.
If when unlocking spreadet spreadet wheel 200, make the second rocking arm 62b that parking sliding block 20 be pulled to be driven away from pawl 10, first
Part 50, which releases, is carried out at the same time two processes of fixing of pressing 30, and the reduction to 300 torsional moment of driving motor is also unfavorable.
If before the second rocking arm 62b pulls parking sliding block 20 away from pawl 10, the first actuator 50 is made to release the fixation to pressing 30,
The torsional moment of driving motor 300 can then be reduced to the greatest extent.
Specifically in the present embodiment, the second sliding slot 63 is equipped on the second rocking arm 62b, the second sliding slot 63 is along parallel to first
Plane extension where installing plate 40a.
Parking and braking mechanism 100 further includes parking pull rod 21, and parking pull rod 21 is arranged in parallel with the first installing plate 40a, stays
Car pull bar 21 has the bending part 21a towards the first installing plate 40a, and bending part 21a is arranged in the second sliding slot 63, and can be along the
Two sliding slots 63 slide.
In order to make parking pull rod 21 that can only be slid along the second sliding slot 63, parking pull rod 21 is prevented along perpendicular to the first installation
The direction movement of plate 40a is additionally provided on bending part 21a along two protrusion 21b perpendicular to the first installing plate 40a directions, convex
It plays 21b to be used to fit with the surface of the second rocking arm 62b, to prevent parking pull rod 21 along perpendicular to the side of the first installing plate 40a
To movement.
In the present embodiment, parking sliding block 20 is set in the periphery of parking pull rod 21, and the second rocking arm 62b is by driving parking to draw
Bar 21 drives parking sliding block 20 to move.
Therefore, when unlocking spreadet spreadet wheel 200, rotation axis 61 rotates, and the first rocking arm 62a, the second rocking arm 62b are around rotation
Axis 61 rotates.When the second rocking arm 62b rotates, parking pull rod 21 slides in the second sliding slot 63, but parking pull rod 21 itself is simultaneously
It is not moved with respect to pawl 10.And at this moment, the first rocking arm 62a makes the first actuator 50 release to pressing 30 by connector 52
It is fixed.
After the first actuator 50 releases the fixation to pressing 30, parking pull rod 21 drives parking sliding block 20 to move, and makes to stay
Away from pawl 10, pawl 10 recovers to released state vehicle sliding block 20, unlocks spreadet spreadet wheel 200.Therefore, it is possible to accomplish to stay in pulling
Before vehicle sliding block 20 is away from pawl 10, the first actuator 50 is made to release the fixation to pressing 30, reduce driving electricity to the greatest extent
The torsional moment of machine 300.
In the present embodiment, parking sliding block 20 can also slide along parking pull rod 21 is axial.Specifically, parking pull rod 21 is outer
It encloses and is also arranged with helical spring 22, one end of helical spring 22 is fixed to parking pull rod 21, and the other end of helical spring 22 is fixed
To parking sliding block 20.Therefore, when parking sliding block 20 slides along parking pull rod 21 is axial, elastic deformation occurs for helical spring 22.
The effect of helical spring 22 is：Buffering is formed between parking pull rod 21 and parking sliding block 20.
As described above, spreadet spreadet wheel 200 has along its circumferentially distributed gear teeth 210, shape between the two neighboring gear teeth 210
Into tooth socket 220, pawl 10 is fallen into tooth socket 220, and spreadet spreadet wheel 200 is locked.
If parking sliding block 20 is rigidly connected with parking pull rod 21, it is likely that occurs：When parking pull rod 21 drives parking to slide
Block 20 to pawl 10 close to when, parking sliding block 20 promote pawl 10 move, pawl 10 is made just to fall on the gear teeth 210；At this point, spine
Pawl 10 can not be fallen into tooth socket 220, but parking sliding block 20 or the motive force that tooth socket 220 is fallen into promotion pawl 10, this
When, it is possible to damage parking sliding block 20, parking pull rod 21 or pawl 10.
In the present embodiment, due to being equipped with helical spring 22 between parking pull rod 21 and parking sliding block 20.Therefore, pawl is worked as
10 fall when on the gear teeth 210, and parking sliding block 20 can store part energy by compression helical spring 22, when output shaft 400
When rotating a small angle, helical spring 22 can discharge stored energy, promote pawl 10, pawl 10 is made to fall into tooth
In slot 220, spreadet spreadet wheel 200 is locked.So set, parking sliding block 20, parking pull rod 21 or pawl 10 will not be damaged.
In the present embodiment, the 3rd torsional spring 64 is also arranged in rotation axis 61, the 3rd torsional spring 64 connects with parking pull rod 21,
Specifically connect with the bending part 21a of parking pull rod, its role is to：Make to reset parking pull rod 21, drive parking pull rod
21 slide along the second sliding slot 63, make parking pull rod 21 away from pawl 10.
Specifically, when unlocking spreadet spreadet wheel 200, rotation axis 61 rotates, and the 3rd torsional spring 64 follows the rotation of rotation axis 61
And rotate, when parking pull rod 21 slides in the second sliding slot 63, the 3rd torsional spring 64 to parking pull rod 21 have make parking pull rod
21 away from 10 active force of pawl；When the first actuator 50 releases the fixation to pressing 30, the 3rd torsional spring 64 can drive parking
Pull rod 21 is away from pawl 10, and parking pull rod 21 can drive parking sliding block 20 away from pawl 10, so as to fulfill unlock spreadet spreadet wheel.
The effect of 3rd torsional spring 64 is to drive parking pull rod 21 and parking sliding block 20 is driven to realize solution away from pawl 10
Lock.In other embodiments, parking pull rod 21 can also be driven by the second rocking arm 62b and drives parking sliding block 20 away from pawl
10, realize unlock.Specifically, using the second sliding slot 63, when the second rocking arm 62b is rotated to making parking pull rod 21 from the second sliding slot
When 63 one end slides onto the other end, it if continuing to rotate the second rocking arm 62b in same direction, can drive the second rocking arm 62b
Dynamic parking pull rod 21 moves.
In other embodiments, other forms may be employed in the second actuator, such as：Second actuator includes the second driving
Motor is moved by the second driving motor driving parking sliding block 20, makes parking sliding block 20 that pawl 10 be promoted to move, be in pawl 10
To lockup state；Alternatively, parking sliding block 20 is made to be separated with pawl 10, pawl 10 recovers automatically to released state.
Specifically, the second drive rod can be set between the second driving motor and parking sliding block 20, make the second drive rod
One end be fixedly connected with parking sliding block 20, the other end is fixedly connected with the second driving motor, the second driving motor can pass through second
Drive rod driving parking sliding block 20 moves, and makes parking sliding block 20 that pawl 10 be promoted to move or parking sliding block 20 is made to divide with pawl 10
From.
Second actuator can also be designed to be able to the first actuator 50 of driving to rotate around the first mandrel 51, make first
Actuator 50 releases the fixation on lock position to pressing 30.For example, the first actuator 50 is made to be packed on the second mandrel 51,
Enable the second actuator that the second mandrel 51 to be driven to rotate, and the first actuator 50 is driven to rotate, release the fixation to pressing 30.
In the present embodiment, parking and braking mechanism 100 further includes locating part 70, and locating part 70 is fixed at the first installing plate
On 40a, locating part 70 has through hole 71, and parking pull rod 21 passes through through hole 71.The effect of locating part 70 is：In parking pull rod 21
Close to pawl 10 or away from during pawl 10, /V is carried out to the radial deflection of parking pull rod 70.
For the technical solution of clearer display invention, this implementation provides stereogram after parking and braking mechanism 100 is installed
And sectional view, specifically as shown in Figure 5, Figure 6.
With reference to Fig. 7 to Figure 10, show parking and braking mechanism 100 from locking 200 state of spreadet spreadet wheel to unlock locking tooth
Take turns the service chart of 200 states.
The process operation that the present embodiment parking and braking mechanism 100 unlocks spreadet spreadet wheel 200 is as follows：
With reference to Fig. 7, state when parking sliding block 20 locks spreadet spreadet wheel 200 is shown：Pawl 10 is located at lockup state and (falls
Enter in tooth socket 220), for parking sliding block 20 between pawl 10 and pressing 30, pressing 30 is fixed on locking by the first actuator 50
Position.
At this point, if desired unlocking spreadet spreadet wheel 200, then, driving motor 300 runs and rotation axis 61 is driven to be rotated,
Rotation axis 61 drives the first rocking arm 62a, the second rocking arm 62b to be rotated around rotation axis 61.
Second rocking arm 62b towards away from pawl 10 direction move, at this point, due to the first actuator 50 will pressing 30 fix
In lock position, therefore, because snap action of the pressing 30 to parking sliding block 20 so that parking sliding block 20 is still fixed on pressing
Between 30 and pawl 10, parking pull rod 21 at this time can not drive parking sliding block 20, and away from pawl 10, parking pull rod 21 is second
It is slided in sliding slot 63.
First rocking arm 62a is rotated around rotation axis 61, and the connector to offset with it 52 is made to be done around the first mandrel 51 and is rotated
Movement, since connector 52 is fixed on the first actuator 50, the first actuator 50 does rotation fortune around the first mandrel 51
It is dynamic, the first actuator 50 is made to release the fixation to pressing 30.
With reference to Fig. 8, show that parking sliding block 20 unlocks the state during spreadet spreadet wheel 200.
At this point, rotation axis 61 is rotated to certain angle, the second rocking arm 62b turns over certain angle, parking pull rod 21 from second
One end of sliding slot 63 slides onto the intermediate region of the second sliding slot 63, and the 3rd torsional spring 64 is acted on driving pull rod 21, draws driving
Bar 21 is subject to the active force away from pawl 10.
With reference to Fig. 9, for the magnified partial view of parking and braking mechanism.Wherein dotted portion represents that parking sliding block 20 locks locking
State during gear 200, bold portion represent that parking sliding block 20 unlocks the state during spreadet spreadet wheel 200.
First rocking arm 62a turns over certain angle so that connector 52 moves, and drives the first actuator 50 around the
One mandrel 51 rotates, and the first actuator 50 is made to release the fixation to pressing 30, and pressing 30 can move to unlocked position, so as to not
Clamping force is generated to parking sliding block 20 again, parking sliding block 20 is no longer influenced by the constraint of pressing 30.
Since parking sliding block 20 is no longer influenced by the constraint of pressing 30, the 3rd torsional spring 64 can drive parking pull rod 21 along the 3rd
Sliding slot 63 slides, and parking sliding block 20 is driven to move, and parking sliding block 20 is made to be separated with pawl 10.
With reference to Figure 10, show that parking sliding block 20 unlocks the state after spreadet spreadet wheel 200：Pawl 10 is located at released state
(being separated with spreadet spreadet wheel 200), parking sliding block 20 is separated with pawl 10, and pressing 30 does not generate clamping force to parking sliding block.
In the present embodiment, the smaller power driving rotation axis 61 of the need one of driving motor 300 rotates, and makes the first rocking arm 62a
Band follower link 52 moves, and connector 52 drives the first actuator 50 to move, and the first actuator 50 is made to release consolidating to pressing 30
It is fixed.
After the first actuator 50 releases the fixation to pressing 30, driving motor 300 more can easily drive rotation
Axis 61 continues to rotate, and makes the 3rd torsional spring 64 that parking pull rod 21 be driven to move, and parking pull rod 21 drives parking sliding block 20 to move, and realizes
Unlock.
In whole process, without under conditions of having 30 clamping parking sliding block 20 of pressing, applying by force to parking sliding block 20
Active force makes parking sliding block 20 be separated with pawl 10.Compared to the prior art, the driving force provided of driving motor 300
Can be with smaller, thus the driving motor 300 with low-force square may be employed, realize the reduction of 300 cost of driving motor.
With reference to Figure 11, the first mandrel 51, the second mandrel 11 in the present embodiment, rotation axis 61 are fixed at the first installation
On plate 40a, pressing 30 can be slided along the first sliding groove 41 being arranged on the first installing plate 40a.Optionally, parking braking machine is made
Structure 100 further includes the second installing plate 40b, the first installing plate 40a, the second installing plate 40b is set face-to-face, makes pawl 10, parking
The parts such as sliding block 20, pressing 30, parking pull rod 21, the first actuator 50, the second actuator 60 be located at the first installing plate 40a,
Between second installing plate 40b, better fixation can be played to the parts between the first installing plate 40a, the second installing plate 40b
Effect.
Connecting rod 42 is additionally provided between first installing plate 40a, the second installing plate 40b, connecting rod 42 is used to fix the first peace
Loading board 40a, the second installing plate 40b make the first installing plate, the second installing plate 40b surround a fixed space.
The present embodiment also provides a kind of parking braking system, including driving motor 300, spreadet spreadet wheel 200 and the above
Parking and braking mechanism 100.
The present embodiment also provides a kind of automatic transmission, including above-described parking braking system.
The present embodiment also provides a kind of automobile, including above-described automatic transmission.
Although present disclosure is as above, present invention is not limited to this.Any those skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the scope of restriction.
Claims (20)
1. a kind of parking and braking mechanism, for locking spreadet spreadet wheel, which is characterized in that including：
Pawl and parking sliding block, the parking sliding block can promote the pawl to move, and make the pawl locking spreadet spreadet wheel；
Movable pressing, the pressing can move to lock position and unlocked position, when the pressing is located at the locking
During position, the pressing can parking sliding block described in clamping, when the pressing is located at the unlocked position, the pressing releases
Clamping to the parking sliding block.
2. parking and braking mechanism as described in claim 1, which is characterized in that further include the first installation perpendicular to the pressing
Plate, first installing plate are equipped with the first sliding groove, and the first sliding groove extends along plane where installing plate, and the one of the pressing
End is arranged in the first sliding groove, and can slide into the lock position, unlocked position along the first sliding groove.
3. parking and braking mechanism as claimed in claim 2, which is characterized in that further include the first actuator, first driving
Part can drive the pressing to be moved to the lock position.
4. parking and braking mechanism as claimed in claim 3, which is characterized in that be fixed with the first core on first installing plate
Axis, first mandrel, pressing are located at the homonymy of first installing plate；
First actuator is arranged on first mandrel, and can be surrounded first mandrel and be rotated, and described first drives
Moving part has the arcwall face around first mandrel, and the arcwall face can fit with the pressing, and promote the pressure
Pin moves to the lock position.
5. parking and braking mechanism as claimed in claim 4, which is characterized in that the arcwall face can also fix the pressing
In the lock position.
6. parking and braking mechanism as claimed in claim 4, which is characterized in that the first torsional spring is arranged on first mandrel,
First torsional spring can drive first actuator to reset, and first actuator is made to be rotated around first mandrel,
And the pressing is promoted to move to the lock position.
7. parking and braking mechanism as claimed in claim 4, which is characterized in that further include the second actuator, second driving
Part can drive the parking slide block movement, enable the parking sliding block that the pawl to be promoted to move.
8. parking and braking mechanism as claimed in claim 7, which is characterized in that second actuator includes being fixed at institute
The rotation axis on the first installing plate and the rocking arm being fixed in the rotation axis are stated, the rotation axis can be rotated and driven
Rocking arm is rotated around the rotation axis；The rocking arm is connected with the parking sliding block, can drive the parking slide block movement.
9. parking and braking mechanism as claimed in claim 8, which is characterized in that the arcwall face can also fix the pressing
In the lock position；
The parking and braking mechanism further includes the connector to extend radially outwardly along first mandrel, and the connector fixation is set
It puts on first actuator；
The connector has the plane towards the rocking arm, and the rocking arm offsets with the plane；When the rocking arm surrounds institute
When stating rotation axis and being rotated, the rocking arm can drive the connector to rotate around first mandrel.
10. parking and braking mechanism as claimed in claim 9, which is characterized in that the rocking arm includes being located at the rotation axis two
The first rocking arm and the second rocking arm of side；
First rocking arm offsets with the connector, and the connector can be driven to do rotation fortune around first mandrel
It is dynamic；Second rocking arm is connected with the parking sliding block, can drive the parking slide block movement.
11. parking and braking mechanism as claimed in claim 10, which is characterized in that second rocking arm is equipped with the second sliding slot；
The parking and braking mechanism further includes parking pull rod, and the parking pull rod is arranged in parallel with first installing plate, described
Parking pull rod has the bending part towards first installing plate, and the bending part is arranged in second sliding slot, and can edge
Second sliding slot slides；
The parking sliding block is set in the periphery of the parking pull rod, and second rocking arm is by driving the parking pull rod to drive
The parking slide block movement.
12. parking and braking mechanism as claimed in claim 11, which is characterized in that the parking sliding block can be drawn along the parking
Bar axially slides；
The periphery of the parking pull rod is also arranged with helical spring, and one end of the helical spring is fixed to the parking pull rod,
The other end of the helical spring is fixed to the parking sliding block.
13. parking and braking mechanism as claimed in claim 12, which is characterized in that the 3rd torsional spring is arranged in the rotation axis,
3rd torsional spring connects with the parking pull rod；
3rd torsional spring can drive the parking pull rod to be slided along the second sliding slot, make the parking pull rod away from the spine
Pawl.
14. parking and braking mechanism as claimed in claim 11, which is characterized in that further include locating part, the locating part is fixed
It is arranged on first installing plate, the locating part has through hole, and the parking pull rod passes through the through hole, the locating part
For carrying out /V to the radial deflection of the parking pull rod during the motion.
15. parking and braking mechanism as claimed in claim 3, which is characterized in that first actuator includes the first driving electricity
Machine and the first drive rod, first drive rod are fixedly connected with the pressing and first driving motor, first driving
Motor can drive the pressing to be moved to the lock position and unlocked position by first drive rod.
16. parking and braking mechanism as claimed in claim 7, which is characterized in that second actuator includes the second driving electricity
Machine and the second drive rod, second drive rod are fixedly connected with the parking sliding block and second driving motor, and described second
Driving motor can drive the parking slide block movement by second drive rod.
17. parking and braking mechanism as claimed in claim 16, which is characterized in that first actuator can also be by the pressure
Pin is fixed on the lock position；
Second driving motor can also drive first actuator to be rotated around first mandrel, make described first to drive
Moving part releases the fixation to the pressing on the lock position.
18. a kind of parking braking system, which is characterized in that including：Claim 1 to 17 any one of them parking braking machine
Structure.
19. a kind of automatic gear-box, which is characterized in that including：Parking braking system and output shaft described in claim 18, institute
Spreadet spreadet wheel is stated to be fixed on the output shaft.
20. a kind of automobile, which is characterized in that including the automatic gear-box described in claim 19.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611031869.8A CN108087545B (en) | 2016-11-22 | 2016-11-22 | Parking and braking mechanism, parking braking system, automatic gear-box and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611031869.8A CN108087545B (en) | 2016-11-22 | 2016-11-22 | Parking and braking mechanism, parking braking system, automatic gear-box and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108087545A true CN108087545A (en) | 2018-05-29 |
| CN108087545B CN108087545B (en) | 2019-08-13 |
Family
ID=62169841
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611031869.8A Active CN108087545B (en) | 2016-11-22 | 2016-11-22 | Parking and braking mechanism, parking braking system, automatic gear-box and automobile |
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| Country | Link |
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| CN (1) | CN108087545B (en) |
Cited By (7)
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| CN110778710A (en) * | 2018-07-24 | 2020-02-11 | 通用汽车环球科技运作有限责任公司 | Vehicle parking system and method for assisting in changing out parking gear |
| CN111086492A (en) * | 2018-10-23 | 2020-05-01 | 上汽通用汽车有限公司 | Parking brake device and automobile |
| WO2020114558A1 (en) * | 2018-12-04 | 2020-06-11 | Schaeffler Technologies AG & Co. KG | Parking lock for a transmission, comprising a parking lock wheel |
| CN111981123A (en) * | 2019-05-21 | 2020-11-24 | 上海汽车集团股份有限公司 | Electro-hydraulic parking device and vehicle |
| CN112013111A (en) * | 2019-05-29 | 2020-12-01 | 沃尔沃汽车公司 | Parking lock apparatus |
| CN113770637A (en) * | 2021-07-19 | 2021-12-10 | 厦门尚一机械设备有限公司 | High-precision welding positioner |
| DE102020126399A1 (en) | 2020-10-08 | 2022-04-14 | Schaeffler Technologies AG & Co. KG | Parking lock device for a transmission with a parking lock wheel |
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| DE102020126399A1 (en) | 2020-10-08 | 2022-04-14 | Schaeffler Technologies AG & Co. KG | Parking lock device for a transmission with a parking lock wheel |
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