CN110360316A - A kind of gearbox and its automatic parking executive device - Google Patents
A kind of gearbox and its automatic parking executive device Download PDFInfo
- Publication number
- CN110360316A CN110360316A CN201810322579.1A CN201810322579A CN110360316A CN 110360316 A CN110360316 A CN 110360316A CN 201810322579 A CN201810322579 A CN 201810322579A CN 110360316 A CN110360316 A CN 110360316A
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- Prior art keywords
- parking
- gear
- bar
- driving
- automatic
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The present invention provides a kind of gearbox and its automatic parking executive devices, automatic parking executive device includes parking gear and park pawl, it realizes that P keeps off parking when park pawl is caught in the tooth socket of parking gear, can move back and forth and bar is executed with the parking for driving park pawl to enter and leave P gear；Parking is driven to execute the automatic parking driving mechanism of the automatic reciprocating movement of bar；Parking can be driven to execute the manual P gear unlocking mechanism that bar moves back and forth.It can not start in vehicle or when Gearbox Fault, keeping off unlocking mechanism by operating manual P can drive parking to execute bar to being linked into that direction that P is kept off is mobile so that park pawl is caught in the tooth socket of parking gear, remain to be linked into P gear, to improve safety；When Vehicle locking is when P keeps off state, additionally it is possible to keep off unlocking mechanism by operating manual P to drive parking to execute bar mobile so that park pawl is detached from the tooth socket of parking gear, to realize unlock P gear, and then convenient for moving vehicle maintenance to the direction that P is kept off is exited.
Description
Technical field
The present invention relates to technical field of automobile parts, hold more specifically to a kind of gearbox and its automatic parking
Luggage is set.
Background technique
Parking system is the important component of automatic gear-box, is commonly used to AT gearbox, CVT gearbox, double clutches
In the automatic gear-box such as gearbox；It acts as after vehicle parking, pass through the engagement of parking gear and park pawl, locking speed change
Case gear, semiaxis, the rotation of tire, to prevent vehicle car slipping.
Existing automatic parking mode is divided into two kinds, the first is to use motor as kinetic energy, by motor and accordingly
Deceleration device drives shifting shaft to realize the switching of P gear with non-P gear.Second is hydraulic-driven parking execution device, passes through change
The hydraulic oil liquid provided inside fast case realizes the switching of P Yu non-P gear by pushing hydraulic piston as power.
But above-mentioned automatic parking mode passes through power drive and is linked into P gear automatically and exits P gear, when vehicle can not open
P gear can not be linked into when dynamic or Gearbox Fault or exit P gear can not move vehicle when being especially locked in P gear after vehicle trouble
, it is not easy to repair.
In conclusion how realizing can not start or when Gearbox Fault remains to be linked into P gear in vehicle, to improve safety
Property；It realizes and is locked in after vehicle trouble under P gear state simultaneously, P gear can be unlocked, be current ability in order to move vehicle maintenance
Field technique personnel technical problem urgently to be resolved.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of automatic parking executive devices of gearbox, with real cars on hand
It can not start or when Gearbox Fault remains to be linked into P gear, to improve safety, while realize and being locked in after vehicle trouble
Under P gear state, P gear can be unlocked, and then convenient for moving vehicle maintenance.
Another object of the present invention is to provide a kind of gearboxes with above-mentioned automatic parking executive device, to realize
Vehicle can not start or when Gearbox Fault remains to be linked into P gear, to improve safety, while realizing and locking after vehicle trouble
Under P gear state, P gear can be unlocked, and then convenient for moving vehicle maintenance.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of automatic parking executive device of gearbox, including parking gear and park pawl, when the park pawl card
P gear parking is realized when entering the tooth socket of the parking gear, further includes:
It can move back and forth and bar is executed with the parking for driving the park pawl to enter and leave P gear；
The parking is driven to execute the automatic parking driving mechanism of the automatic reciprocating movement of bar；
The parking can be driven to execute the manual P gear unlocking mechanism that bar moves back and forth.
Preferably, in above-mentioned automatic parking executive device, the manual P gear unlocking mechanism includes:
Institute is stretched out in the urgent P gear latch release shaft being rotatably arranged on gear box casing, described urgent P gear latch release shaft one end
State gear box casing；
Rocker arm, one end of the rocker arm are set in the urgent P gear latch release shaft, and the other end of the rocker arm is provided with energy
Enough push the parking execution bar reciprocating movement stirs pin.
Preferably, in above-mentioned automatic parking executive device, the automatic parking driving mechanism includes:
Parking driving cylinder；
Parking driving piston in the parking driving cylinder is set, and the extension end of the parking driving piston is stayed with described
Vehicle executes bar and is fixedly connected；
The parking driving piston can be driven to exit the first driving mechanism of P gear；
The parking driving piston can be driven to be linked into the second driving mechanism of P gear；
Control the controller of first driving mechanism and second driving mechanism.
Preferably, in above-mentioned automatic parking executive device, first driving mechanism includes:
The parking driving cylinder is set close to the oil-filled cavity of the extension end side, the oil-filled cavity passes through oil duct
Hole is connected to the hydraulic fluid chamber of gearbox valve body；
The gear locking pin of parking driving piston described in locking, the parking when parking driving piston exits P gear
Driving piston is provided with the lock slots with the gear locking pin location fit；
The first elastic component that the gear locking pin is mobile to the direction of the lock slots can be driven.
Preferably, in above-mentioned automatic parking executive device, second driving mechanism includes:
The parking can be driven to drive piston to the second elastic component for entering the direction movement that P is kept off, second elastic component
It is arranged in cavity of the parking driving cylinder far from the extension end side；
The gear releasing magnet for the electromagnetic force for making the gear locking pin be detached from the lock slots is generated after energization, it is described
Gear locking pin and first elastic component are arranged in the guide groove of the gear releasing magnet, the gear unlock electricity
Magnet is connect with the controller.
Preferably, in above-mentioned automatic parking executive device, further includes:
Position magnet on the parking driving piston is set；
For detecting the position of the position magnet and to the position sensor of controller transmission position signal, work as institute
When stating parking driving piston and being linked into P gear, the controller controls the gear releasing magnet power-off, lives when the parking drives
When plug exits P gear, the controller controls the gearbox valve body fuel cut-off.
Preferably, in above-mentioned automatic parking executive device, first elastic component is gear Lock spring；Second bullet
Property part be parking driving spring.
Preferably, in above-mentioned automatic parking executive device, the parking executes bar with parking driving piston by staying
Vehicle executes coupling block connection, is provided with and the card slot stirring pin card and connecing on the parking driving piston.
It preferably, further include the guiding for being oriented to the parking and executing bar moving direction in above-mentioned automatic parking executive device
Device, the parking execute bar and are interspersed in the gap between the guider and the park pawl；The parking executes on bar
Protrusion can be executed with what the gap offseted by being provided with.
It can be seen from the above technical scheme that the automatic parking executive device of gearbox provided by the invention includes parking
Gear and park pawl, when park pawl is caught in the tooth socket of parking gear realize P keep off parking, further include can move back and forth with
The parking for driving park pawl to enter and leave P gear executes bar；Parking is driven to execute the automatic parking driving mechanism of the automatic reciprocating movement of bar；
Parking can be driven to execute the manual P gear unlocking mechanism that bar moves back and forth.
In the normal state of the vehicle, automatic parking driving mechanism can drive parking to execute bar and move to the direction that P is kept off is linked into
It moves so that park pawl is caught in the tooth socket of parking gear, driving parking executes bar to the direction movement for exiting P gear, at this time in pawl
Under the restoring force effect of reset spring, park pawl rotating shaft drives park pawl revolution to reset, so that park pawl is from parking
It is popped up in the tooth socket of gear, to complete to be linked into P gear automatically or exit the movement of P gear.
It can not start in vehicle or when Gearbox Fault (such as gear box oil failure of pump, gearbox valve body failure), pass through
Operating manual P gear unlocking mechanism can drive parking execution bar mobile so that park pawl is caught in parking to the direction that P is kept off is linked into
The tooth socket of gear remains to be linked into P gear, to improve safety；When Vehicle locking P keep off state and need to move vehicle or
When trailer, additionally it is possible to keep off unlocking mechanism by the manual P of operation and drive parking execution bar mobile so that parking to the direction that P is kept off is exited
Pawl is detached from the tooth socket of parking gear, to realize unlock P gear, and then convenient for moving vehicle maintenance.
It is described to stay automatically the present invention also provides a kind of gearbox, including gearbox valve body and automatic parking executive device
Vehicle executive device is any of the above-described kind of automatic parking executive device, since above-mentioned automatic parking executive device has said effect,
Gearbox with above-mentioned automatic parking executive device has same effect, and therefore, this article will not repeat them here.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the automatic parking executive device of gearbox provided in an embodiment of the present invention；
Fig. 2 is the partial structural diagram of the automatic parking executive device of gearbox provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram in non-P gear state of the automatic parking executive device of gearbox provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram in P gear state of the automatic parking executive device of gearbox provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the invention provides a kind of automatic parking executive device of gearbox, realize can not start in vehicle or
It remains to be linked into P gear when Gearbox Fault, to improve safety, while realizing and being locked in P gear state after vehicle trouble
Under, P gear can be unlocked, and then convenient for moving vehicle maintenance.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Attached drawing 1-4 is please referred to, the automatic parking executive device of gearbox provided in an embodiment of the present invention includes parking gear 1
With park pawl 4, when park pawl 4 is caught in the tooth socket of parking gear 1 realize P keep off parking, further include can move back and forth with
The parking for driving park pawl 4 to enter and leave P gear executes bar 5；Parking is driven to execute the automatic parking driving machine of the automatic reciprocating movement of bar 5
Structure；Parking can be driven to execute the manual P gear unlocking mechanism that bar 5 moves back and forth.It should be noted that automatic parking of the invention
Executive device is mounted in gearbox.
In the normal state of the vehicle, automatic parking driving mechanism can drive parking to execute bar 5 and move to the direction that P is kept off is linked into
It moves so that park pawl 4 is caught in the tooth socket of parking gear 1, driving parking executes bar 5 to the direction movement for exiting P gear, exists at this time
Under the restoring force effect of pawl restoring spring 2, park pawl rotating shaft 3 drives the revolution of park pawl 4 to reset, so that park pawl
4 pop up from the tooth socket of parking gear 1, to complete to be linked into P gear automatically or exit the movement of P gear.
It can not start in vehicle or whens Gearbox Fault such as gear box oil failure of pump, gearbox valve body failure etc., pass through behaviour
Making manual P gear unlocking mechanism can drive parking execution bar 5 mobile so that park pawl 4 is caught in parking to the direction that P is kept off is linked into
The tooth socket of gear 1 remains to be linked into P gear, to improve safety；When Vehicle locking keeps off state in P and needs to move vehicle
Or when trailer, additionally it is possible to by operate manual P keep off unlocking mechanism drive parking execute bar 5 to exit direction that P is kept off it is mobile so that
Park pawl 4 is detached from the tooth socket of parking gear 1, to realize unlock P gear, and then convenient for moving vehicle maintenance.
In order to simplify structure, it is preferred that manual P gear unlocking mechanism include be rotatably arranged in it is tight on gear box casing
Anxious P keeps off latch release shaft 8, and gear box casing is stretched out in urgent P gear 8 one end of latch release shaft；Rocker arm, one end of rocker arm are set in urgent P gear solution
On lock shaft 8, the other end of rocker arm be provided with can push parking execute bar 5 move back and forth stir pin 17.The present invention is by turning
Urgent P gear latch release shaft 8 is moved to realize manual unlocking, one end stretching transmission housing of urgent P gear latch release shaft 8 is external, can open
After engine compartment cover, the axis is rotated using tool such as box spanner, pushes parking to execute the discrepancy of bar 5 to drive and stir pin 17
P gear.
It is understood that above-mentioned manual P gear unlocking mechanism can also be other structures, such as worm gear mechanism, operation
When by rotating worm gear by tool manually, to realize that same driving parking executes the effect that bar 5 enters and leaves P gear, the present invention exists
This is no longer repeated one by one.
In a specific embodiment of the invention, automatic parking driving mechanism includes parking driving cylinder 12；Setting is driven in parking
Parking in dynamic cylinder 12 drives piston 13, and the extension end of parking driving piston 13 executes bar 5 with parking and is fixedly connected；It can drive
Parking driving piston 13 exits the first driving mechanism of P gear；Parking driving piston 13 can be driven to be linked into the second driving machine of P gear
Structure；Control the controller of the first driving mechanism and the second driving mechanism.
When controller receives P gear instruction, control the second driving mechanism driving parking driving piston 13 is linked into P gear, makes parking
Pawl 4 is caught in the tooth socket of parking gear 1, realizes that P keeps off parking；When controller receives the non-P gear signals such as R gear, N gear, D gear, it will hold
Row exits the movement of P gear, and control the first driving mechanism driving parking driving piston 13 exits P gear, park pawl 4 is made to be detached from park tooth
The tooth socket of wheel 1 realizes that unlock P gear, vehicle are removable.The present invention drives the movement of piston 13 that can be automatically performed extension by parking
Enter P gear or exits the movement of P gear；Certainly, above-mentioned automatic parking driving mechanism can also be other structures, such as motor-driven mechanism
Deng.
Preferably, the first driving mechanism includes the oil-filled cavity that parking driving cylinder 12 is arranged in close to extension end side, is filled
Oil cavity is connected to by oil hole 121 with the hydraulic fluid chamber of gearbox valve body；When parking driving piston 13 exits P gear, locking is stayed
Vehicle drives the gear locking pin 11 of piston 13, and parking driving piston 13 is provided with the lock slots with 11 location fit of gear locking pin
131；The first elastic component that gear locking pin 11 is mobile to the direction of lock slots 131 can be driven.
The side of parking driving piston 13 of the invention is hydraulic oil, exits P gear by hydraulic oil as kinetic energy, parking is driven
The oil-filled cavity of dynamic cylinder 12 is connect by the oil duct on oil hole 121 and shell with gearbox valve body, to provide hydraulic oil.
When parking driving piston 13, which reaches non-P gear, to be set, when the lock slots 131 on parking driving piston 13 are moved to gear locking pin
Immediately below 11, gear locking pin 11 is inserted into lock slots 131 under the action of the first elastic component and consolidates parking driving 13 position of piston
It is fixed, it is maintained at non-P gear and sets.
Simultaneously in emergency circumstances, as engine can not start or gear box oil pump can not work, need to move vehicle progress
Maintenance, when rotating urgent P gear latch release shaft 8 manually and setting to non-P gear, the first elastic component can drive the insertion of gear locking pin 11 to lock
Slot 131 can be such that parking driving 13 automatic locking of piston sets in non-P gear, keep off latch release shaft 8 without the fixed urgent P of extra means, this
When operator can withdraw tool, vehicle will be always held at non-P gear state, manipulate fairly simple, and simplify structure.
In further technical solution, the second driving mechanism includes that parking can be driven to drive piston 13 to the side for entering P gear
To the second mobile elastic component, the second elastic component is arranged in parking driving cylinder 12 and extends away from the cavity of end side；After energization
Generate the gear releasing magnet 9 for the electromagnetic force for making gear locking pin 11 be detached from lock slots 131, gear locking pin 11 and the first bullet
Property part is arranged in the guide groove of gear releasing magnet 9, and gear releasing magnet 9 is connect with controller.Gear unlock electricity
Magnet 9 generates electromagnetic force after being powered, gear locking pin 11 is mentioned out of lock slots 131 for unlocking parking driving piston 13
It rises, practical unlocking function.Gear releasing magnet 9 is controlled by the controller when corresponding and opens or closes.
When controller receives P gear instruction, gear releasing magnet 9 is connected, the magnetic force that gear releasing magnet 9 generates will
Gear locking pin 11 lifts, lock slots 131 inner abjection of the gear locking pin 11 from parking driving piston 13.Parking drives piston 13
It moves under the spring-force driven dual of the second elastic component to entering the direction P, while dragging coupled parking and executing bar 5 together to entering
Park pawl 4 is forced into the tooth socket of parking gear 1 until parking executes bar 5, realizes automatic parking by the movement of the direction P.
When controller is exited P gear signal, controller controls the corresponding solenoid valve in gearbox valve body and opens, to staying
Vehicle driving cylinder 12 is for pressure oil liquid.When oil liquid pressure reaches setting value, parking drives effect of the piston 13 by oil pressure, overcomes
The elastic force of second elastic component is mobile to the gear locality of P out, while dragging coupled parking and executing bar 5 together to entering non-P
Direction movement.When the lock slots 131 on parking driving piston 13 are moved to gear 11 underface of locking pin, gear locking pin 11
Lock slots 131 are fallen under the promotion of the first spring, parking at this time executes bar 5, parking driving piston 13 is moved to non-P gear
It sets, and keeps in the position.
In summary, the driving kinetic energy that the present invention enters P gear uses the elastic force of the second elastic component, is mechanical energy, and non-hydraulic
Energy.Even if can not start in vehicle, wait under abnormal conditions, as long as vehicle has an electricity, gear releasing magnet 9 can be powered solution
Lock is linked into P gear, prevents car slipping, security reliability is higher.
In addition, above-mentioned gear locking pin 11 is linear motion circular pegs.The present invention is inserted into parking by gear locking pin 11
Lock slots 131 on driving piston 13 carry out latched position；The electromagnetic force of gear releasing magnet 9 is used as kinetic energy to solve stopper
Position locks gear using elastic force is kinetic energy.Gear releasing magnet 9 only just works when needing to unlock, after locking i.e.
It can power off.Such design structure is simpler, and reliability is higher.
It is understood that above-mentioned first driving mechanism and the second driving mechanism can also use in turn, it can also be equal
Driven using hydraulic-driven or air pressure etc..
Preferably, automatic parking executive device further includes the position magnet 15 being arranged on parking driving piston 13；For
It detects the position of position magnet 15 and sends the position sensor 16 of position signal to controller, when parking driving piston 13 is linked into
When P is kept off, controller controls gear releasing magnet 9 and powers off, and when parking driving piston 13 exits P gear, controller controls speed change
Case valve body fuel cut-off.Gear releasing magnet 9 and position sensor 16 are connect with by controller harness respectively.Specifically,
Controller is gearbox TCU.
Position sensor 16 is used to incude the movement for the position magnet 15 being mounted on parking driving piston 13, and displacement is believed
Number controller is fed back to, to judge whether parking driving piston 13 reaches corresponding position.Specifically, position sensor 16 is logical
The movement of sensed position magnet 15 is crossed to know the move distance of parking driving piston 13, and position signal is fed back into gearbox
TCU, gearbox TCU is monitored position signal, when reaching preset shift length, gearbox TCU i.e. judge into
Enter P gear to set, disconnects gear releasing magnet 9, and close the corresponding solenoid valve fuel cut-off in gearbox valve body.
Alternatively, the present invention can also judge that setting in P gear is also non-P by detecting the position of park pawl 4
Gear is set.
Preferably, in above-mentioned automatic parking executive device, the first elastic component is gear Lock spring 10；Second elastic component is
Parking driving spring 14.The lock slots that gear Lock spring 10 is used to that gear locking pin 11 to be driven to be inserted on parking driving piston 13
131, parking driving spring 14 is kept off for driving parking driving piston 13 to enter P.The elastic force of spring is preferable, service life compared with
It is long.Certainly, above-mentioned first elastic component and the second elastic component can also can provide the structure of elastic force for other, such as multiple disc spring groups
At disc spring group etc..
For the ease of assembly, parking executes bar 5 and drives piston 13 to connect by parking execution coupling block 7 with parking, parking
The card slot of the clamping of pin 17 is provided with and stirred on driving piston 13.Parking drives piston 13, executes coupling block and parking execution bar 5
Three is fixed together, and moves simultaneously.Parking drives piston 13 to parking execution bar 5 when entering the direction P and move, can be pushed to start shipment
It is dynamic.In emergency circumstances, when operator rotates urgent P gear latch release shaft 8, the pin 17 of stirring in urgent P gear latch release shaft 8 will push and hold
Row coupling block is to P out or enters the direction P and moves.It is understood that it is above-mentioned stir pin 17 can also with parking drive piston 13 or
It is hinged that parking executes coupling block 7.Above-mentioned parking executes bar 5 and parking driving piston 13 and can also be directly connected to.
In order to further optimize the above technical scheme, automatic parking executive device further includes that guiding parking executes the movement of bar 5
The guider 6 in direction, parking execute bar 5 and are interspersed in the gap between guider 6 and park pawl 4；Parking executes to be set on bar 5
Be equipped with can offset with gap execute protrusion.Above-mentioned guider 6 is used to be oriented to the moving direction that parking executes bar 5, avoids leading
The operation of bar 5 is executed to parking to shift, and improves functional reliability.The present invention can also be not provided with above-mentioned guider 6, only pass through
Parking drives the traffic direction of the moving direction limitation parking execution bar 5 of piston 13.
Parking, which executes bar 5, has reducer, when parking drive piston 13 to enter the direction P it is mobile during, it is convex when executing
When playing the gap between insertion guider 6 and pawl, park pawl 4 can be pushed to parking gear 1 and realize parking.When parking is driven
Piston 13 to when the direction P moves out, release from the gap between guider 6 and pawl by the execution protrusion that parking executes bar 5, stays
Vehicle pawl 4 is separated with parking gear 1, releases parking.Alternatively, above-mentioned parking executes bar 5 and can also be arranged and park pawl 4
The card slot of engaging pushes park pawl 4 to enter the tooth of parking gear 1 together when parking executes bar 5 and park pawl 4 is clamped
In slot.
The embodiment of the invention also provides a kind of gearboxes, including gearbox valve body and automatic parking executive device, automatically
Parking execution device is the automatic parking executive device that provides of above-mentioned any one embodiment, realize can not start in vehicle or
It remains to be linked into P gear when Gearbox Fault, to improve safety, while realizing and being locked in P gear state after vehicle trouble
Under, P gear can be unlocked, and then convenient for moving vehicle maintenance, its advantage is that specifically being please referred to by automatic parking executive device bring
Relevant part in above-described embodiment, details are not described herein again.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of automatic parking executive device of gearbox, including parking gear (1) and park pawl (4), when the parking spine
Pawl (4) realizes P gear parking when being caught in the tooth socket of the parking gear (1), which is characterized in that further include:
It can move back and forth and bar (5) are executed with the parking for driving the park pawl (4) to enter and leave P gear；
The parking is driven to execute the automatic parking driving mechanism of bar (5) automatic reciprocating movement；
The parking can be driven to execute the manual P gear unlocking mechanism that bar (5) move back and forth.
2. automatic parking executive device according to claim 1, which is characterized in that the manual P keeps off unlocking mechanism and includes:
Urgent P gear latch release shaft (8) being rotatably arranged on gear box casing, described urgent P gear latch release shaft (8) one end are stretched out
The gear box casing；
Rocker arm, one end of the rocker arm are set on urgent P gear latch release shaft (8), and the other end of the rocker arm is provided with energy
Enough push parking execution bar (5) reciprocating movement stirs pin (17).
3. automatic parking executive device according to claim 2, which is characterized in that the automatic parking driving mechanism packet
It includes:
Parking driving cylinder (12)；
Parking driving piston (13) being arranged in the parking driving cylinder (12), the extension end of parking driving piston (13)
Bar (5) are executed with the parking to be fixedly connected；
Parking driving piston (13) can be driven to exit the first driving mechanism of P gear；
Parking driving piston (13) can be driven to be linked into the second driving mechanism of P gear；
Control the controller of first driving mechanism and second driving mechanism.
4. automatic parking executive device according to claim 3, which is characterized in that first driving mechanism includes:
Oil-filled cavity in the parking driving cylinder (12) close to the extension end side is set, and the oil-filled cavity passes through oil duct
Hole (121) is connected to the hydraulic fluid chamber of gearbox valve body；
The gear locking pin (11) of parking driving piston (13) described in locking when P gear is exited in parking driving piston (13),
Parking driving piston (13) is provided with the lock slots (131) with gear locking pin (11) location fit；
The first elastic component that the direction of gear locking pin (11) the Xiang Suoshu lock slots (131) can be driven mobile.
5. automatic parking executive device according to claim 4, which is characterized in that second driving mechanism includes:
Parking driving piston (13) can be driven to the second elastic component for entering the direction movement that P is kept off, second elastic component
It is arranged in cavity of the parking driving cylinder (12) far from the extension end side；
The gear releasing magnet for the electromagnetic force for making the gear locking pin (11) be detached from the lock slots (131) is generated after energization
(9), the gear locking pin (11) and first elastic component are arranged at the guide groove of the gear releasing magnet (9)
Interior, the gear releasing magnet (9) connect with the controller.
6. automatic parking executive device according to claim 5, which is characterized in that further include:
Position magnet (15) in parking driving piston (13) is set；
For detect the position magnet (15) position and to the controller send position signal position sensor (16),
When parking driving piston (13) is linked into P gear, the controller controls gear releasing magnet (9) power-off, works as institute
When stating parking driving piston (13) and exiting P gear, the controller controls the gearbox valve body fuel cut-off.
7. automatic parking executive device according to claim 5, which is characterized in that first elastic component is gear locking
Spring (10)；Second elastic component is parking driving spring (14).
8. automatic parking executive device according to claim 3, which is characterized in that the parking execute bar (5) with it is described
Parking drives piston (13) to execute coupling block (7) connection by parking, the parking drive be provided on piston (13) with it is described
Stir the card slot of pin (17) clamping.
9. automatic parking executive device according to claim 1-8, which is characterized in that further include being stayed described in guiding
Vehicle executes the guider (6) of bar (5) moving direction, and the parking executes bar (5) and is interspersed in the guider (6) and the parking
In gap between pawl (4)；The parking, which executes, to be provided on bar (5) and can execute protrusion with what the gap offseted.
10. a kind of gearbox, including gearbox valve body and automatic parking executive device, which is characterized in that the automatic parking is held
Luggage is set to such as the described in any item automatic parking executive devices of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810322579.1A CN110360316A (en) | 2018-04-11 | 2018-04-11 | A kind of gearbox and its automatic parking executive device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810322579.1A CN110360316A (en) | 2018-04-11 | 2018-04-11 | A kind of gearbox and its automatic parking executive device |
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| CN110360316A true CN110360316A (en) | 2019-10-22 |
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| CN201810322579.1A Pending CN110360316A (en) | 2018-04-11 | 2018-04-11 | A kind of gearbox and its automatic parking executive device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953341A (en) * | 2019-12-26 | 2020-04-03 | 精进电动科技股份有限公司 | Electronic parking mechanism |
| CN111231919A (en) * | 2019-12-27 | 2020-06-05 | 中国第一汽车股份有限公司 | Automatic parking method and system and vehicle |
| CN111609129A (en) * | 2020-05-20 | 2020-09-01 | 蜂巢传动***(江苏)有限公司 | Emergency parking device for vehicle and vehicle with same |
| CN111609128A (en) * | 2020-05-19 | 2020-09-01 | 蜂巢传动***(江苏)有限公司 | Emergency parking device for vehicle and vehicle |
| CN112344016A (en) * | 2020-10-26 | 2021-02-09 | 中国第一汽车股份有限公司 | Emergency unlocking parking lock device and vehicle |
| CN113202923A (en) * | 2021-06-23 | 2021-08-03 | 东风鼎新动力***科技有限公司 | Parking mechanism capable of realizing emergency P gear access |
| CN113251144A (en) * | 2021-06-02 | 2021-08-13 | 杰锋汽车动力***股份有限公司 | Parking device for automatic gearbox |
| US11168754B2 (en) * | 2018-11-27 | 2021-11-09 | Subaru Corporation | Parking mechanism |
| CN113803463A (en) * | 2021-08-26 | 2021-12-17 | 中国煤炭科工集团太原研究院有限公司 | Planetary gearbox gear shifting and auxiliary braking device for coal mine explosion-proof vehicle |
| CN114135657A (en) * | 2021-11-29 | 2022-03-04 | 江铃汽车股份有限公司 | Gearbox P-gear returning control system and strategy supporting full-automatic car washing function |
| CN114673786A (en) * | 2020-12-24 | 2022-06-28 | 丰田自动车株式会社 | Vehicle parking locking mechanism |
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Cited By (17)
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| US11168754B2 (en) * | 2018-11-27 | 2021-11-09 | Subaru Corporation | Parking mechanism |
| CN110953341A (en) * | 2019-12-26 | 2020-04-03 | 精进电动科技股份有限公司 | Electronic parking mechanism |
| CN111231919A (en) * | 2019-12-27 | 2020-06-05 | 中国第一汽车股份有限公司 | Automatic parking method and system and vehicle |
| CN111609128B (en) * | 2020-05-19 | 2021-09-21 | 蜂巢传动***(江苏)有限公司 | Emergency parking device for vehicle and vehicle |
| CN111609128A (en) * | 2020-05-19 | 2020-09-01 | 蜂巢传动***(江苏)有限公司 | Emergency parking device for vehicle and vehicle |
| CN111609129A (en) * | 2020-05-20 | 2020-09-01 | 蜂巢传动***(江苏)有限公司 | Emergency parking device for vehicle and vehicle with same |
| CN111609129B (en) * | 2020-05-20 | 2021-07-20 | 蜂巢传动***(江苏)有限公司 | Emergency parking device for vehicle and vehicle with same |
| CN112344016A (en) * | 2020-10-26 | 2021-02-09 | 中国第一汽车股份有限公司 | Emergency unlocking parking lock device and vehicle |
| CN112344016B (en) * | 2020-10-26 | 2022-01-18 | 中国第一汽车股份有限公司 | Emergency unlocking parking lock device and vehicle |
| CN114673786A (en) * | 2020-12-24 | 2022-06-28 | 丰田自动车株式会社 | Vehicle parking locking mechanism |
| CN114673786B (en) * | 2020-12-24 | 2023-08-08 | 丰田自动车株式会社 | Vehicle parking locking mechanism |
| CN113251144A (en) * | 2021-06-02 | 2021-08-13 | 杰锋汽车动力***股份有限公司 | Parking device for automatic gearbox |
| CN113202923A (en) * | 2021-06-23 | 2021-08-03 | 东风鼎新动力***科技有限公司 | Parking mechanism capable of realizing emergency P gear access |
| CN113202923B (en) * | 2021-06-23 | 2022-06-17 | 东风鼎新动力***科技有限公司 | Parking mechanism capable of realizing emergency P gear access |
| CN113803463A (en) * | 2021-08-26 | 2021-12-17 | 中国煤炭科工集团太原研究院有限公司 | Planetary gearbox gear shifting and auxiliary braking device for coal mine explosion-proof vehicle |
| CN113803463B (en) * | 2021-08-26 | 2022-10-25 | 中国煤炭科工集团太原研究院有限公司 | Planetary gearbox gear shifting and auxiliary braking device for coal mine explosion-proof vehicle |
| CN114135657A (en) * | 2021-11-29 | 2022-03-04 | 江铃汽车股份有限公司 | Gearbox P-gear returning control system and strategy supporting full-automatic car washing function |
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