CN101463901A - Parking and shifting actuating mechanism - Google Patents
Parking and shifting actuating mechanism Download PDFInfo
- Publication number
- CN101463901A CN101463901A CN 200710302160 CN200710302160A CN101463901A CN 101463901 A CN101463901 A CN 101463901A CN 200710302160 CN200710302160 CN 200710302160 CN 200710302160 A CN200710302160 A CN 200710302160A CN 101463901 A CN101463901 A CN 101463901A
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- China
- Prior art keywords
- shifting
- fork bar
- gear
- parking
- block
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- 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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- 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
Abstract
The invention provides a parking and gear shifting actuator. The actuator comprises a motor shaft, a shifting fork bar, a shifting block, a push rod and a shifting fork, wherein, the motor shaft drives the shifting fork bar to make rectilinear motion by a transmission device; the shifting block is fixedly arranged on the shifting fork bar and can synchronously move with the shifting fork bar to drive the push rod to make rectilinear motion so as to drive a claw to snap with or separate from a ratchet wheel; the shifting fork is arranged on the shifting fork bar and can be interlocked with the shifting block so as to drive a synchronizer in a speed changer to move. In the parking, the shifting fork bar is driven by the motor shaft to make rectilinear motion so as to snap the jack catch with the ratchet wheel by the shifting block and the push rod; meanwhile, the shifting fork is interlocked with the shifting block to operate the synchronizer to be in a neutral position. Afterwards, an engine can drive a generator to generate electricity, as the speed changer is in the neutral position; the power of the engine is not transmitted to wheels. As the parking and the gear shifting share an actuator, the structure is simple, arrangement on a vehicle is easy, thus obviously lowering the cost.
Description
Technical field
The present invention relates to a kind of Parking and gear-shifting actuating mechanism.
Background technique
In vehicle, the main effect of parking braking system is to make the resident reliably original place of vehicle, unlikely slide car.
As depicted in figs. 1 and 2, a kind of typical Parking actuator generally includes motor driving shaft 1, rotating disk 2, push rod 3, jacking block 31, bearing 4, claw 5 and ratchet 6.When needing braking, motor driving shaft 1 rotation, driving rotating disk 2 rotates, rotating disk 2 drives push rod 3 moving linearlies, the jacking block 31 on push rod 3 tops promotes claw 5 and rotates under the booster action of bearing 4, release position 51 from Fig. 2 shown in the solid line moves to the locked position 52 shown in the dotted line, makes claw 5 and ratchet 6 interlocks.Because ratchet 6 is contained on the transmission shaft of vehicle, thereby can reach the purpose of Parking.When needing to remove parking braking, motor driving shaft 1 opposite spin by rotating disk 2 and push rod 3, the jacking block 31 on push rod 3 tops is return, thereby claw 5 leaves ratchet 6 under the effect of return spring (not shown), thereby removes parking braking.
Gear-shifting actuating mechanism is used to carry out the gear-change operation of speed changer, and in automatic transmission, it generally includes gear shifting motor, driving lever, shifting block, declutch shift shaft, shift fork.During gear shift, gear shifting motor drives driving lever and moves (needing driving mechanism rotatablely moving of motor shaft to be converted into the straight line motion of driving lever usually), driving lever drives declutch shift shaft by the shifting block on the declutch shift shaft and the shift fork that is fixed on the declutch shift shaft moves, shift fork drives the synchronizer motion, thereby realizes plucking shelves or engage a gear operation.Driving lever can select different shifting blocks to stir corresponding declutch shift shaft and shift fork, to realize the gear selecting operation.
In existing vehicle, Parking actuator and gear-shifting actuating mechanism are separate, and they all are to be arranged in around the speed changer usually, therefore can cause difficulty in arrangement, are unfavorable for the car load layout.In addition, owing to exist two to overlap independently actuator, therefore control is complicated, inconvenient operation.For example, in hybrid vehicle, when vehicle need stop generating, at first to carry out parking braking by Parking actuator, then also will be by gear-shifting actuating mechanism with transmission operating at neutral position with the transmission of power between open slew device and the vehicular transmission shaft, can the drive motor generating to guarantee motor.When vehicle start, need to remove parking braking, to operate speed changer by gear-shifting actuating mechanism then and be in definite traveling gears.
Summary of the invention
The purpose of this invention is to provide a kind of Parking and gear-shifting actuating mechanism, it can overlap actuator independently by one and realize interlock to Parking and gear shift, thereby can simplified structure, reduce cost, and realizes control easily.
To achieve these goals, the invention provides a kind of Parking and gear-shifting actuating mechanism, this mechanism comprises motor shaft, shifting fork bar, shifting block, push rod, shift fork, and wherein: described motor shaft is by the described shifting fork bar moving linearly of actuator drives; Described shifting block is fixedly mounted on the described shifting fork bar and is synchronized with the movement with shifting fork bar, is used to drive described push rod moving linearly, to drive claw and ratchet interlock or disengaging; Described shift fork is installed on the described shifting fork bar, can link with described shifting block, moves with the synchronizer in the drive speed transmission.
In the present invention, when the needs Parking, drive the shifting fork bar moving linearly,, make claw and ratchet interlock by shifting block and push rod by motor shaft; Simultaneously, shift fork and shifting block interlock, the operation synchronizer is in neutral position, and promptly speed changer is in neutral position.At this moment, can be generated electricity by engine driven generators, because speed changer is in neutral position, so the power of motor can not pass to wheel.When vehicle start, the motor shaft counter-rotating makes claw separate with ratchet, by shift fork synchronizer is moved to traveling gears simultaneously and puts.Therefore,, can realize Parking and gear-change operation, therefore control very convenient by controlling the rotation of motor shaft simply.And,, on vehicle, arrange easily, thereby significantly reduced cost because Parking actuator and the shared mechanism of gear-shifting actuating mechanism are therefore simple in structure.
Further feature of the present invention and advantage will partly be elaborated in embodiment.
Description of drawings
Fig. 1 is a kind of structural representation of traditional Parking actuator;
Fig. 2 is the structural representation of claw and ratchet portions among Fig. 1;
Fig. 3 is the Parking of a kind of preferred implementation according to the present invention and the structural representation of gear-shifting actuating mechanism, and wherein shifting fork bar is in primary importance;
Fig. 4 is the structural representation of Parking and gear-shifting actuating mechanism among Fig. 3, and wherein shifting fork bar is in the second place.
Embodiment
The present invention is described in detail with reference to the accompanying drawings.
A preferred embodiment of the invention, a kind of Parking and gear-shifting actuating mechanism are provided, this mechanism mainly comprises motor shaft 8, shifting fork bar 13, shifting block 7, push rod 3 and shift fork 11, and wherein: described motor shaft 8 is by described shifting fork bar 13 moving linearlies of actuator drives; Described shifting block 7 is fixedly mounted on the described shifting fork bar 13, is synchronized with the movement with shifting fork bar 13, is used to drive described push rod 3 moving linearlies, to drive claw 5 and ratchet 6 interlocks or disengaging; Described shift fork 11 is installed on the described shifting fork bar 13, can link with described shifting block 7, moves with the synchronizer in the drive speed transmission 14.
The working principle of Parking actuator and gear-shifting actuating mechanism is known.Parking actuator mainly be by motor or manually and the actuator drives claw with the ratchet interlock or separate, thereby realize Parking and the purpose of removing Parking.Shifting implementation device mainly is to carry out gear-change operation by gear shifting motor, hydraulic pressure installation or synchronizer manual and that transmission device drives in the speed changer.
In the present invention, Parking execution work principle and gear shift execution work principle in Parking and the gear-shifting actuating mechanism are basic identical, mainly are to utilize motor and transmission device, realize Parking and gear-change operation.Difference from prior art mainly is, the present invention improves traditional Parking actuator and gear-shifting actuating mechanism, the two is combined constitute a linking mechanism, not only simplifies the structure greatly, but also simplified operation and control thereof, significantly reduced cost.
Fig. 3 is the Parking of a kind of preferred implementation according to the present invention and the structural representation of gear-shifting actuating mechanism, and wherein said shifting fork bar 13 is in primary importance.Fig. 4 is the structural representation of Parking and gear-shifting actuating mechanism among Fig. 3, and wherein said shifting fork bar 13 is in the second place.In described primary importance, claw 5 and ratchet 6 interlock (see figure 2)s, vehicle is in the Parking state; Synchronizer 14 is in neutral position.In the described second place, claw 5 separates (see figure 2) with ratchet 6, and vehicle is in the Parking relieving state; Synchronizer 14 is in traveling gears and puts.
In the present invention, the purpose of transmission device is the straight line motion that rotatablely moving of motor shaft 8 is converted into shifting fork bar 13, therefore can adopt multiple suitable means to realize, for example nut screw device, cam gear etc.As shown in Figure 3 and Figure 4, as a kind of specific embodiment, described transmission device can comprise shifting block 9 and the shifting block 10 that cooperatively interacts, and described shifting block 9 is fixed on the motor shaft 8, by motor shaft 8 rotary driving; Described shifting block 10 is fixed on the shifting fork bar 13, is driven and with shifting fork bar 13 moving linearlies by described shifting block 9.Can have groove on the described shifting block 10, described shifting block 9 is positioned at described groove.When described shifting block 9 during by motor shaft 8 rotary driving, the shifting block 9 that is positioned at described groove is stirred shifting block 10, and shifting block 10 is moved along a straight line with shifting fork bar 13.
As shown in Figure 3, when vehicle needed Parking, motor shaft 8 rotations by shifting block 9 and the shifting block 10 that cooperatively interacts, drove shifting fork bar 13 straight line motion left.Because shifting block 7 is fixed on the described shifting fork bar 13, thus shifting block 7 left straight line move, thereby drive push rod 3 left straight line move, thereby promote claw 5, make claw 5 and ratchet 6 interlocks, thereby realize the Parking of vehicle.Push rod 3 is connected on the shifting block 7, and for example by bulb-ball-and-socket Placement, promptly the side at pushing block 7 is formed with ball-and-socket, and an end of push rod 3 forms bulb, and bulb is placed in the described ball-and-socket, as shown in Figure 3 and Figure 4.
In described shifting fork bar 13 process that straight line moves left, can described shift fork 11 also be moved to the left simultaneously by multiple suitable linking mechanism, thereby synchronizer 14 is moved to neutral position, promptly in a working procedure, realize Parking operation and gear-change operation simultaneously.
In the present invention, can adopt multiple suitable means realization Parking operation and the interlock between the gear-change operation.For example, identical with shifting block 7, described shift fork 11 also can be fixed on the described shifting fork bar 13, thereby shifting block 7 and shift fork 11 can move together along with shifting fork bar 13, thereby realizes Parking operation and gear-change operation simultaneously.Perhaps, shift fork 11 and shifting block 7 can also be linked together to realize the interlock of the two, at this moment, can by weld, removably connect, being connected between multiple means realization shift fork 11 such as connecting rod and the shifting block 7.In addition, shift fork 11 and shifting block 7 can also form one.
In addition, can on described shifting fork bar 13, stops 12 be set, described shift fork 11 is placed between described stops 12 and the described shifting block 7, thereby by the interlock between described stops 12 and described shifting block 7 realization shift forks 11 and the shifting block 7.In this embodiment, described shift fork 11 can be held between described stops 12 and the described shifting block 7, and closely contact between described stops 12 and the described shifting block 7, thereby stops 12, shift fork 11 and shifting block 7 threes can move with shifting fork bar 13.
As shown in Figure 3 and Figure 4, as preferred embodiment a kind of, described shift fork 11 can be sleeved on the described shifting fork bar 13, between described stops 12 and shifting block 7, and has certain moving range, be that described shift fork 11 can be between stops 12 and shifting block 7 slides along shifting fork bar 13, make the shift motion of described shifting block 7 greater than the shift motion of described shift fork 11.Under normal conditions, the stroke of shifting block 7 should be greater than the stroke of shift fork 11, therefore can be so that more convenient operation, reliably by this mode of execution.In addition, in this embodiment,, can also realize purpose that the progressive error between shifting block 7 and the shift fork 11 is regulated, thereby can regulate the trip difference according to actual needs by being provided with or adjusting the diverse location of stops 12 on shifting fork bar 13.
Have under the situation of progressive error between shifting block 7 and shift fork 11, under the driving of motor shaft 8, when shifting fork bar 13 was moved to the left, shifting block 7 at first was moved to the left with shifting fork bar 13, made claw 5 and ratchet 6 beginning interlocks.Along with shifting fork bar 13 continues to be moved to the left, shifting block 7 will begin contact and promote shift fork 11 to be moved to the left, and synchronizer 14 is placed neutral position.That is, move to the process of described primary importance from the described second place at described shifting fork bar 13, described shifting block 7 will contact and promote described shift fork 11, makes described shift fork 11 that described synchronizer 14 is moved to neutral position.By suitable progressive error is set, can be in claw 5 and ratchet 6 complete interlocks, synchronizer 14 also just in time is in neutral position.In hybrid vehicle, can be generated electricity this moment by engine driven generators.Because speed changer is in neutral position, the power of motor can not pass to wheel.
As shown in Figure 4, when vehicle need be removed Parking or start, motor shaft 8 opposite spins by shifting block 9 and the shifting block 10 that cooperatively interacts, drove shifting fork bar 13 straight line motion to the right.Because shifting block 7 is fixed on the described shifting fork bar 13, thus shifting block 7 to the right straight line move, thereby drive push rod 3 to the right straight line move, thereby claw 5 is separated with ratchet 6, thereby Parking is disengaged.In described shifting fork bar 13 process that straight line moves to the right, described shift fork 11 also can move right simultaneously, puts thereby synchronizer 14 is moved to traveling gears, can start vehicle afterwards.
As mentioned above, have under the situation of progressive error between shifting block 7 and shift fork 11, under the driving of motor shaft 8, when shifting fork bar 13 moved right, shifting block 7 at first moved right with shifting fork bar 13, and claw 5 is separated with ratchet 6.Along with shifting fork bar 13 continues to move right, stops 12 will begin contact and promote shift fork 11 to move right, and place traveling gears to put synchronizer 14.By suitable progressive error is set, can be at claw 5 with when ratchet 6 separate fully, synchronizer 14 also just in time is in traveling gears and puts.Then, can start vehicle.In hybrid vehicle, in the process of moving, the power of motor can all be used for powered vehicle and travel, and also can tell a part and be used to drive generator for electricity generation.
In the vehicle that uses Parking of the present invention and gear-shifting actuating mechanism, when the vehicle Parking, speed changer is in neutral position simultaneously; When vehicle start, when removing the Parking state, speed changer is in traveling gears to be put, and can start vehicle smoothly.
Claims (8)
1, a kind of Parking and gear-shifting actuating mechanism, this mechanism comprises motor shaft (8), shifting fork bar (13), shifting block (7), push rod (3) and shift fork (11), wherein:
Described motor shaft (8) is set to by the described shifting fork bar of actuator drives (13) moving linearly;
Described shifting block (7) is fixedly mounted on the described shifting fork bar (13) and is synchronized with the movement with shifting fork bar (13), is used to drive described push rod (3) moving linearly, to drive claw (5) and ratchet (6) interlock or disengaging;
Described shift fork (11) is installed on the described shifting fork bar (13), and can link with described shifting block (7), moves with the synchronizer in the drive speed transmission (14).
2, Parking according to claim 1 and gear-shifting actuating mechanism, wherein said shifting fork bar (13) has the primary importance and the second place, in described primary importance, described claw (5) and ratchet (6) interlock, described synchronizer (14) is in neutral position; In the described second place, described claw (5) breaks away from described ratchet (6), and described synchronizer (14) is in traveling gears and puts.
3, Parking according to claim 2 and gear-shifting actuating mechanism, wherein described shifting fork bar (13) from the described second place to the process that described primary importance moves, described shifting block (7) contacts and promotes described shift fork (11), makes described shift fork (11) that described synchronizer (11) is moved to neutral position.
4, Parking according to claim 1 and gear-shifting actuating mechanism, wherein said transmission device comprise shifting block (9) and the shifting block (10) that cooperatively interacts, and described shifting block (9) is fixed on the motor shaft (8), by motor shaft (8) rotary driving; Described shifting block (10) is fixed on the shifting fork bar (13), is driven with shifting fork bar (13) moving linearly by described shifting block (9).
5, Parking according to claim 1 and gear-shifting actuating mechanism, described shift fork (11) are fixedly mounted on the described shifting fork bar (13), with described shifting fork bar (13) moving linearly.
6, Parking according to claim 1 and gear-shifting actuating mechanism wherein are fixed with stops (12) on described shifting fork bar 13, described shift fork (11) is positioned between described stops (12) and the described shifting block (7).
7, Parking according to claim 6 and gear-shifting actuating mechanism, wherein said shift fork (11) is sleeved on the described shifting fork bar (13), and can slide along described shifting fork bar (13) between described stops (12) and described shifting block (7).
8, Parking according to claim 1 and gear-shifting actuating mechanism, one side of wherein said pushing block (7) has ball-and-socket, one end of described push rod (3) has bulb, and this bulb is placed in the described ball-and-socket, thereby described push rod (3) is connected to described pushing block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710302160 CN101463901B (en) | 2007-12-17 | 2007-12-17 | Parking and shifting actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710302160 CN101463901B (en) | 2007-12-17 | 2007-12-17 | Parking and shifting actuating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101463901A true CN101463901A (en) | 2009-06-24 |
| CN101463901B CN101463901B (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710302160 Active CN101463901B (en) | 2007-12-17 | 2007-12-17 | Parking and shifting actuating mechanism |
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| CN (1) | CN101463901B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486248A (en) * | 2013-09-13 | 2014-01-01 | 浙江吉利控股集团有限公司 | Gear selecting and shifting executing mechanism |
| CN104149612A (en) * | 2014-04-30 | 2014-11-19 | 浙江吉利控股集团有限公司 | Electronic parking mechanism of double-clutch speed changer |
| CN104196998A (en) * | 2014-08-27 | 2014-12-10 | 盛瑞传动股份有限公司 | Automobile and automatic gearbox transmission mechanism thereof |
| CN106051152A (en) * | 2016-07-05 | 2016-10-26 | 重庆长安汽车股份有限公司 | Parking and gear-shifting executing mechanism for automatic transmission |
| CN108644371A (en) * | 2018-04-17 | 2018-10-12 | 浙江吉利汽车研究院有限公司 | A kind of parking gear shifting mechanism |
| CN109139899A (en) * | 2018-08-14 | 2019-01-04 | 吉利汽车研究院（宁波）有限公司 | A kind of gearshift, method and vehicle |
| CN110219980A (en) * | 2019-04-25 | 2019-09-10 | 中汽研（天津）汽车工程研究院有限公司 | A kind of shift parking integrated system |
| CN111197651A (en) * | 2018-11-19 | 2020-05-26 | 现代自动车株式会社 | Shifting device for a multi-speed transmission of an electric vehicle |
| CN111982537A (en) * | 2020-08-25 | 2020-11-24 | 捷科智能装备(苏州)有限公司 | Method and device for detecting parking mechanism of automobile driving unit |
| CN113330238A (en) * | 2019-04-18 | 2021-08-31 | 舍弗勒技术股份两合公司 | Parking mechanism and dual-clutch transmission realizing parking function through shifting fork shaft driving |
| WO2021207885A1 (en) * | 2020-04-13 | 2021-10-21 | 义乌吉利自动变速器有限公司 | Common control apparatus for parking and clutch, operating method therefor, and vehicle |
| EP4008932A1 (en) * | 2020-12-04 | 2022-06-08 | Ningbo Geely Automobile Research & Development Co. Ltd. | A transmission |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3575357B2 (en) * | 1999-11-25 | 2004-10-13 | 日産自動車株式会社 | Park lock device for automatic transmission |
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- 2007-12-17 CN CN 200710302160 patent/CN101463901B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486248A (en) * | 2013-09-13 | 2014-01-01 | 浙江吉利控股集团有限公司 | Gear selecting and shifting executing mechanism |
| CN103486248B (en) * | 2013-09-13 | 2017-09-22 | 浙江吉利控股集团有限公司 | A kind of shift-selecting and changing actuating mechanism |
| CN104149612A (en) * | 2014-04-30 | 2014-11-19 | 浙江吉利控股集团有限公司 | Electronic parking mechanism of double-clutch speed changer |
| CN104149612B (en) * | 2014-04-30 | 2016-08-31 | 宁波上中下自动变速器有限公司 | Double-clutch speed changer electronic parking mechanism |
| CN104196998A (en) * | 2014-08-27 | 2014-12-10 | 盛瑞传动股份有限公司 | Automobile and automatic gearbox transmission mechanism thereof |
| CN106051152A (en) * | 2016-07-05 | 2016-10-26 | 重庆长安汽车股份有限公司 | Parking and gear-shifting executing mechanism for automatic transmission |
| CN108644371A (en) * | 2018-04-17 | 2018-10-12 | 浙江吉利汽车研究院有限公司 | A kind of parking gear shifting mechanism |
| CN109139899A (en) * | 2018-08-14 | 2019-01-04 | 吉利汽车研究院（宁波）有限公司 | A kind of gearshift, method and vehicle |
| CN109139899B (en) * | 2018-08-14 | 2020-09-11 | 吉利汽车研究院（宁波）有限公司 | Gear shifting device and method and vehicle |
| CN111197651B (en) * | 2018-11-19 | 2022-06-24 | 现代自动车株式会社 | Shifting device for a multi-speed transmission of an electric vehicle |
| CN111197651A (en) * | 2018-11-19 | 2020-05-26 | 现代自动车株式会社 | Shifting device for a multi-speed transmission of an electric vehicle |
| CN113330238A (en) * | 2019-04-18 | 2021-08-31 | 舍弗勒技术股份两合公司 | Parking mechanism and dual-clutch transmission realizing parking function through shifting fork shaft driving |
| CN110219980A (en) * | 2019-04-25 | 2019-09-10 | 中汽研（天津）汽车工程研究院有限公司 | A kind of shift parking integrated system |
| WO2021207885A1 (en) * | 2020-04-13 | 2021-10-21 | 义乌吉利自动变速器有限公司 | Common control apparatus for parking and clutch, operating method therefor, and vehicle |
| CN111982537A (en) * | 2020-08-25 | 2020-11-24 | 捷科智能装备(苏州)有限公司 | Method and device for detecting parking mechanism of automobile driving unit |
| EP4008932A1 (en) * | 2020-12-04 | 2022-06-08 | Ningbo Geely Automobile Research & Development Co. Ltd. | A transmission |
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| CN101463901B (en) | 2012-11-21 |
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