WO2021103924A1 - 用于车辆的换挡驻车系统以及车辆 - Google Patents
用于车辆的换挡驻车系统以及车辆 Download PDFInfo
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- WO2021103924A1 WO2021103924A1 PCT/CN2020/125043 CN2020125043W WO2021103924A1 WO 2021103924 A1 WO2021103924 A1 WO 2021103924A1 CN 2020125043 W CN2020125043 W CN 2020125043W WO 2021103924 A1 WO2021103924 A1 WO 2021103924A1
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- shift
- parking
- gear
- shifting
- head
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- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 230000005540 biological transmission Effects 0.000 claims description 13
- 102000004315 Forkhead Transcription Factors Human genes 0.000 claims description 11
- 108090000852 Forkhead Transcription Factors Proteins 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 5
- 230000007935 neutral effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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
- F16H63/08—Multiple final output mechanisms being moved by a single common final actuating mechanism
- F16H63/16—Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism
- F16H63/18—Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism the final actuating mechanism comprising cams
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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
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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
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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
Definitions
- the solution relates to the field of vehicle technology, in particular to a shift parking system for a vehicle and a vehicle with the shift parking system.
- the parking system is an indispensable part of the vehicle, which is convenient for parking and can prevent the vehicle from slipping when parking.
- the existing parking system uses the parking arm to drive the parking pawl to move to realize the force between the parking pawl and the ratchet driven by the parking arm during the parking process through the cooperation of the pawl and the ratchet. Prone to failure, leading to failure of the parking system and reducing parking safety.
- This solution aims to solve at least one of the technical problems existing in the prior art.
- one purpose of this solution is to propose a shift parking system for vehicles, which is highly integrated, has fewer parts, and has a small space occupation and low cost.
- This solution also proposes a vehicle with the above-mentioned shift parking system.
- the shift parking system for a vehicle includes a drive mechanism, a parking mechanism, and a shift mechanism.
- the shift mechanism includes a shift hub and a first shift head.
- the shift hub A first shifting groove and a second shifting groove are provided therein, and the first shift head and the first shifting groove are slidably matched to switch between a plurality of gear positions; the parking mechanism has a second shifting groove.
- the second shifting head slidingly cooperates with the second shifting groove to switch between the parking gear and the driving gear.
- the shift parking system of this embodiment is highly integrated, has fewer parts, and has a smaller space occupation; on the other hand, it can not only improve the switching between the parking gear P and the driving gear NP Response speed, and can improve the structural stability of the parking mechanism when it is in the parking position P, avoid the failure of the parking mechanism in the parking position P, improve the parking safety, and avoid slipping.
- the parking mechanism includes a parking arm and a ratchet
- the parking arm is dynamically connected to the second shifting head
- the parking arm is driven by the second shifting head.
- the pawl of the parking arm is located above the ratchet wheel, and the depth of the second shift groove is correspondingly changed according to the gear change of the parking mechanism, so that the parking arm is under gravity. Under the action, it is locked with the ratchet wheel.
- a driving rod is provided between the parking arm and the second shifting head, one end of the driving rod is connected to the second shifting head, and the other end of the driving rod is configured in a truncated cone and The conical surface abuts against the parking arm.
- the shift parking system further includes a housing, and a first fork head and a second fork head are further provided on the drive rod, and the first fork head and the second fork head are connected to the housing.
- the body is inserted and cooperated to limit the swing of the parking mechanism.
- the shift mechanism includes a shift fork and a shift fork shaft, the first shift head is arranged on the shift fork, the shift fork shaft and the shift fork are in sliding fit, and there is a Anti-friction bushing.
- the second shift groove is in communication with the first shift groove, and the second shift groove is provided with corresponding parking groove sections and driving groove sections corresponding to the parking gear and the driving gear.
- the first shifting groove is provided with a plurality of gear slot segments corresponding to the multiple gears, and when the second shifting head is located in the parking slot section or the driving slot segment, the first shifting head is located in the corresponding gear slot segment .
- the driving mechanism includes a driving motor, and a transmission assembly power-connected with the driving motor, and the transmission assembly is power-connected with the shift hub.
- the transmission assembly includes an input gear, an intermediate gear, and an output gear, the input gear is connected to a drive motor, the output gear meshes with the shift hub gear of the shift hub, and the intermediate gears are respectively connected with The input gear meshes with the output gear.
- the vehicle according to the embodiment of the second aspect of the present solution includes the shift parking system for the vehicle described in the above embodiment.
- Figure 1 is a schematic diagram of a shift parking system according to an embodiment of the present scheme
- Figure 2 is an exploded schematic diagram of the shift parking system according to an embodiment of the present solution
- Fig. 3 is a schematic diagram of the cooperation of the second shifting head, the first shifting head, the second shifting groove, and the first shifting groove of the shift parking system according to the embodiment of the present solution.
- Drive mechanism 10 drive motor 11, transmission assembly 12, input gear 121, intermediate gear 122, output gear 123,
- Shift mechanism 20 shift hub 21, shift hub gear 211, first shift head 22, shift fork 23, shift fork shaft 24,
- the shift parking system 100 for a vehicle includes a drive mechanism 10, a parking mechanism 30, and a shift mechanism 20.
- the shift mechanism 20 includes a shift hub 21 and The first shift head 22 and the shift hub 21 are provided with a first shift groove a and a second shift groove b.
- the first shifting head 22 and the first shifting groove a slidingly cooperate to switch between multiple gears;
- the parking mechanism 30 has a second shifting head 31, the second shifting head 31 and the second shift
- the block groove b is slidingly matched to switch between the parking position P and the driving position NP.
- the shift hub 21 of the shift mechanism 20 can be selectively rotated clockwise or counterclockwise to drive the second shift head 31 to move when it rotates clockwise or counterclockwise to switch from the parking position P to driving.
- Gear NP correspondingly, when rotating counterclockwise or clockwise, the second shifting head 31 is driven to move to switch from the driving gear NP to the parking gear P.
- the shift hub 21 can not only control the parking mechanism 30 to switch gears between the parking position P and the driving gear NP, but also control the shift mechanism 20 to switch between multiple gears to make
- the shift mechanism 20 and the parking mechanism 30 are highly integrated, which can improve the working stability of the shift mechanism 20 and the parking mechanism 30 while reducing costs.
- the shift mechanism 20 may have multiple gear positions means that the shift mechanism 20 has at least two gear positions and one neutral gear position N.
- the shifting mechanism 20 and the parking mechanism 30 share a shift hub 21, and the driving mechanism 10 realizes shifting and parking, so that the shifting and parking system 100 of this embodiment is more integrated.
- the number of parts is smaller, the production cost is low, and the space occupation is small.
- the second shifting head 31 slidably engaged therewith is driven by the shift hub 21 to realize the switching of the parking mechanism 30 between the parking position P and the driving position NP , By driving the first shift head 22 slidingly fitted with the shift hub 21 to realize the shifting mechanism 20 to switch between multiple gears.
- the shift parking system 100 of this embodiment is highly integrated, has a small number of parts, and has a smaller space occupation; on the other hand, it can not only improve the switching between the parking gear P and the driving gear NP It can improve the structural stability when the parking mechanism 30 is in the parking position P, avoid the failure of the parking mechanism 30 in the parking position P, improve the parking safety, and avoid rolling.
- the shifting mechanism 20 is integrated with the parking mechanism 30, which makes the assembly of the shifting parking system 100 easier, the shifting operation and the parking operation are smoother, and the response speed is higher.
- the parking mechanism 30 includes a parking arm 32 and a ratchet 33.
- the parking arm 32 is dynamically connected to the second shift head 31.
- the parking arm 32 is selectively driven by the second shift head 31. Move toward or away from the ratchet 33.
- a pawl is provided at one end of the parking arm 32 and the ratchet gear 33, and the other end is matched with the second shift head 31, so that the pawl moves toward or away from the ratchet gear 33 under the drive of the second shift head 31. Therefore, when the pawl is locked with the ratchet gear 33, it is switched to the parking position P.
- the pawl of the parking arm 32 is located above the ratchet gear 33, and the depth of the second shift groove b is correspondingly changed according to the gear change of the parking mechanism 30, so that the parking arm 32 is in contact with each other under the action of gravity The ratchet gear 33 is locked.
- one end of the parking arm 32 is directly connected to the second shift head 31, the second shift head 31 abuts in the second shift groove b, and a part of the second shift groove b is connected to the parking position P
- another part of the second shift groove b corresponds to the driving gear NP, so that the depth of the part corresponding to the parking gear P is greater than the depth of the part corresponding to the driving gear NP, so that the second shifting head 31 is at Under the action of gravity and the rotation of the shift hub 21, it falls into positions of different depths to drive the pawl to move toward or away from the ratchet gear 33 to realize the switch between the driving gear NP and the parking gear P.
- a driving rod 34 is provided between the parking arm 32 and the second shift head 31, and one end of the driving rod 34 It is connected with the second shift head 31 through a bracket, the other end of the driving rod 34 is configured in a truncated cone shape and the conical surface abuts against the parking arm 32.
- a part of the second shift groove b corresponds to the parking position P
- another part of the second shift groove b corresponds to the driving position NP
- the second shift groove b corresponds to the parking position P
- the corresponding part, the second shift groove b, and the part corresponding to the gear position are spaced apart in the axial direction of the shift hub 21, and the two parts are transitionally connected.
- the second shift head 31 is driven by the shift hub 21 to make a linear reciprocating motion relative to the shift hub 21 in the axis direction of the shift hub 21, so that the drive rod 34 connected to the second shift head 31 performs linear reciprocation.
- the other end of the drive rod 34 which is configured as a truncated cone, drives a limiter that cooperates with the parking arm 32, or directly drives the end of the parking arm 32 with a pawl to move toward or away from the ratchet gear 33, so as to realize the driving gear. Switch between NP and parking position P.
- the structure of a truncated cone means that the cross-sectional area of the part gradually increases or decreases, and there is a smooth transition between the two ends, so that the projection of the part is trapezoidal or triangular, and then the truncated cone
- the cross section of is suitable for driving the parking arm 32 to move, that is, during the swinging process of the driving rod 34, the parking arm 32 is gradually pushed toward or away from the ratchet.
- the parking arm 32 and the driving rod 34 are both provided with resetting parts.
- the shift parking system 100 further includes a housing, and a first fork 35 and a second fork 36 are also provided on the driving rod 34, and the first fork 35 and the second fork 36 are inserted into the housing.
- the parking mechanism 30 is connected to limit the swing of the parking mechanism 30. Therefore, the movement of the driving rod 34 is restricted by the first fork head 35 and the second fork head 36 inserted in the housing, and the swing of the second shift head 31 when moving in the second shift groove b can be reduced. It can avoid the decoupling of the pawl and the ratchet gear 33 when in the parking position P, which improves the gear shifting stability.
- the shift mechanism 20 has a neutral position N, a first gear position 1st, and a second gear position 2nd.
- the parking mechanism 30 includes a driving gear position NP and a parking gear position P.
- the first gear shifting Slot a includes a neutral position N slot segment, a first gear 1st slot segment, and a second gear 2nd slot segment (respectively corresponding to the first gear 1st, the second gear 2nd, and the neutral gear N), and the second shift slot b
- the parking bay section corresponds to a part of the first gear 1st bay section, the driving bay section and the other part of the first gear 1st bay section, the second gear 2nd bay section and
- the third gear position corresponds to the groove section, so that when the second shift head 31 is located in a certain groove section, the first shift head 22 is located in the corresponding groove section.
- the shift mechanism 20 when the parking structure is in the parking position P, the shift mechanism 20 is in the first position 1st, and when the parking mechanism 30 is in the driving position NP, the shift mechanism 20 is in the neutral position, the first Gear 1st or 2nd gear.
- the parking mechanism 30 In the parking state, the parking mechanism 30 is in the parking position P, and the driving mechanism is in the first position 1st;
- the parking mechanism 30 is in the driving position N-P, and the driving mechanism is in the neutral position N;
- the parking mechanism 30 In the low-speed state, the parking mechanism 30 is in the driving gear N-P, and the driving mechanism is in the first gear 1st;
- the parking mechanism 30 In the high-speed state, the parking mechanism 30 is in the driving gear N-P, and the driving mechanism is in the second gear 2nd.
- the second shifting head 31 and the first shifting head 22 are located in the groove segments corresponding to the above-mentioned gear positions. In this way, when the vehicle is in a pneumatic state and a driving state, ensuring that the parking mechanism 30 is in the driving gear N-P can avoid interference between the parking mechanism 30 and the driving mechanism, and improve the working stability of the shift parking system 100.
- the second shift groove b is in communication with the first shift groove a, and the second shift groove b is provided with corresponding parking groove sections and driving groove sections corresponding to the parking gear position P and the driving gear position NP.
- a shift slot a is provided with multiple gear slot segments corresponding to multiple gears.
- the rotation angle in FIG. 3 refers to the rotation angle of the shift hub 21, and the lift refers to the change in the position of the second shift head 31 and the first shift head 22 in the axial direction of the shift hub 21, and the virtual separation point It refers to the position where the second shift groove b communicates with the first shift groove a.
- the shifting mechanism 20 includes a shift fork 23 and a shift fork shaft 24.
- the first shift head 22 is arranged on the shift fork 23.
- the shift fork shaft 24 and the shift fork 23 are in sliding fit, and a wear-reducing lining is provided between the two. set.
- the shift fork shaft 24 is fixed on the housing, the shift fork 23 is slidably arranged on the shift fork shaft 24, and one end of the shift fork 23 is connected with the first shift head 22, and the other end of the shift fork 23 is suitable for shifting gears.
- a wear-reducing bushing is provided between the shift fork 23 and the shift fork shaft 24.
- the driving mechanism 10 includes a driving motor 11, and a transmission assembly 12 power-connected with the driving motor 11, and the transmission assembly 12 is power-connected with the shift hub 21. Therefore, the transmission assembly 12 is driven by the drive motor 11, and the transmission assembly 12 drives the shift hub 21 to rotate forward or reverse to realize the gear shift of the parking mechanism 30 and the shift mechanism 20, so that the parking mechanism 30 ,
- the gear shifting of the shift mechanism 20 is simpler and more convenient.
- the transmission assembly 12 includes an input gear 121, an intermediate gear 122 and an output gear 123, the input gear 121 is connected to the drive motor 11, the output gear 123 meshes with the shift hub gear 211 of the shift hub 21, and the intermediate gear 122 is respectively connected with The input gear 121 and the output gear 123 mesh.
- the transmission assembly 12 can effectively reduce the speed and increase the torque of the driving motor 11, so that the movement of the second shift head 31 and the first shift head 22 is more stable and reliable, and the shift effect is better.
- shift hub gear 211 and the shift hub 21 are integrally formed or fixedly connected.
- the vehicle according to the embodiment of the present solution includes the shift parking system 100 for the vehicle in the above-mentioned embodiment.
- the vehicle according to the embodiment of the present solution adopts the above-mentioned shift parking system 100, which has the same technical effect as the above-mentioned shift parking system 100, and will not be repeated here.
- first feature and “second feature” may include one or more of these features.
- the first feature being “above” or “below” the second feature can include the first and second features in direct contact, or it can include the first and second features not in direct contact but through them Another feature contact between.
- the first feature being “above”, “above” and “above” the second feature includes the first feature being directly above and obliquely above the second feature, or it only means that the level of the first feature is higher than The second feature.
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Abstract
Description
Claims (10)
- 一种用于车辆的换挡驻车系统(100),其特征在于,包括:驱动机构(10);换挡机构(20),所述换挡机构(20)包括换挡毂(21)和第一拨头(22),所述换挡毂(21)内设置有第一换挡槽a和第二换挡槽b,所述第一拨头(22)与所述第一换挡槽a滑动配合以在多个档位之间切换;驻车机构(30),所述驻车机构(30)具有第二拨头(31),所述第二拨头(31)与所述第二换挡槽b滑动配合以在驻车档位P和行车档位N-P之间切换。
- 根据权利要求1所述的用于车辆的换挡驻车系统(100),其特征在于,所述驻车机构(30)包括驻车臂(32)和棘轮(33),所述驻车臂(32)与所述第二拨头(31)动力连接,所述驻车臂(32)在所述第二拨头(31)的带动下可选择地朝向或者远离所述棘轮(33)运动。
- 根据权利要求2所述的用于车辆的换挡驻车系统(100),其特征在于,所述驻车臂(32)的棘爪位于所述棘轮(33)的上方,所述第二换挡槽b的深度根据所述驻车机构(30)的档位变化对应变化,以使驻车臂(32)在重力作用下与所述棘轮(23)锁止。
- 根据权利要求2所述的用于车辆的换挡驻车系统(100),其特征在于,所述驻车臂(32)与所述第二拨头(31)之间设置有驱动杆(34),所述驱动杆(34)的一端与所述第二拨头(31)连接,所 述驱动杆(34)的另一端构造为截锥形且锥面与所述驻车臂(32)止抵。
- 根据权利要求4所述的用于车辆的换挡驻车系统(100),其特征在于,还包括壳体,所述驱动杆(34)上还设置有第一叉头(35)和第二叉头(36),所述第一叉头(35)和所述第二叉头(36)与所述壳体插接配合以对所述驻车机构(30)进行摆动限位。
- 根据权利要求1所述的用于车辆的换挡驻车系统(100),其特征在于,所述换挡机构(20)包括拨叉(23)以及拨叉轴(24),所述第一拨头(22)设置在所述拨叉(23)上,所述拨叉轴(24)与所述拨叉(23)滑动配合,且两者之间设置有减磨衬套。
- 根据权利要求1所述的用于车辆的换挡驻车系统(100),其特征在于,所述第二换挡槽b与所述第一换挡槽a连通,所述第二换挡槽b对应驻车档位P和行车档位N-P设置有对应的驻车槽段和行车槽段,所述第一换挡槽a对应多个档位设置有多个档位槽段,所述第二拨头(31)位于驻车槽段或者行车槽段时,所述第一拨头(22)位于对应的档位槽段。
- 根据权利要求1-7中任一项所述的用于车辆的换挡驻车系统(100),其特征在于,所述驱动机构(10)包括驱动电机(11)、与所述驱动电机(11)动力连接的传动组件(12),所述传动组件(12)与所述换挡毂(21)动力连接。
- 根据权利要求8所述的用于车辆的换挡驻车系统(100),其特征在于,所述传动组件(12)包括输入齿轮(121)、中间齿轮(122) 和输出齿轮(123),所述输入齿轮(121)与驱动电机(11)连接,所述输出齿轮(123)与所述换挡毂(21)的换挡毂齿轮(221)啮合传动,所述中间齿轮(122)分别与所述输入齿轮(121)和所述输出齿轮(123)啮合。
- 一种车辆,其特征在于,包括权利要求1-9中任一项所述的用于车辆的换挡驻车系统(100)。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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EP20893037.0A EP4067705A4 (en) | 2019-11-25 | 2020-10-30 | TRANSMISSION SHIFT AND PARKING SYSTEM FOR VEHICLES AND A VEHICLE |
AU2020389938A AU2020389938B2 (en) | 2019-11-25 | 2020-10-30 | Gear shifting and parking system for vehicle, and vehicle |
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CN201922055133.X | 2019-11-25 | ||
CN201922055133.XU CN211117538U (zh) | 2019-11-25 | 2019-11-25 | 用于车辆的换挡驻车系统以及具有其的车辆 |
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WO2021103924A1 true WO2021103924A1 (zh) | 2021-06-03 |
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EP (1) | EP4067705A4 (zh) |
CN (1) | CN211117538U (zh) |
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CN211117538U (zh) * | 2019-11-25 | 2020-07-28 | 蜂巢传动科技河北有限公司 | 用于车辆的换挡驻车系统以及具有其的车辆 |
CN114248741B (zh) * | 2020-09-21 | 2024-08-30 | 长城汽车股份有限公司 | 车辆控制方法、系统及车辆 |
CN112460250B (zh) * | 2020-11-23 | 2022-05-06 | 东风格特拉克汽车变速箱有限公司 | 一种换挡鼓换挡槽驱动的驻车系统及方法 |
CN112780768A (zh) * | 2021-01-28 | 2021-05-11 | 麦格纳动力总成(江西)有限公司 | 一种自动变速箱的驻车机构及自动变速箱 |
WO2023206064A1 (zh) * | 2022-04-26 | 2023-11-02 | 舍弗勒技术股份两合公司 | 换挡组件及变速箱 |
CN115264056A (zh) * | 2022-07-22 | 2022-11-01 | 重庆青山工业有限责任公司 | 变速器驻车执行机构 |
DE102023200529A1 (de) * | 2023-01-24 | 2024-07-25 | Zf Friedrichshafen Ag | Getriebevorrichtung für ein Kraftfahrzeug |
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Also Published As
Publication number | Publication date |
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AU2020389938B2 (en) | 2024-08-15 |
AU2020389938A1 (en) | 2022-05-26 |
EP4067705A4 (en) | 2023-11-15 |
CN211117538U (zh) | 2020-07-28 |
EP4067705A1 (en) | 2022-10-05 |
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