CN110671495A - Controller and actuator integrated actuator full-gear control CVT gearbox actuator - Google Patents
Controller and actuator integrated actuator full-gear control CVT gearbox actuator Download PDFInfo
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- CN110671495A CN110671495A CN201910916614.7A CN201910916614A CN110671495A CN 110671495 A CN110671495 A CN 110671495A CN 201910916614 A CN201910916614 A CN 201910916614A CN 110671495 A CN110671495 A CN 110671495A
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- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000009471 action Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009365 direct transmission Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/038—Gearboxes for accommodating bevel gears
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
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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
- F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/22—Locking of the control input devices
- F16H2061/226—Manual distress release of the locking means for shift levers, e.g. to allow towing of vehicle in case of breakdown
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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
- F16H63/40—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 comprising signals other than signals for actuating the final output mechanisms
- F16H63/42—Ratio indicator devices
- F16H2063/423—Range indicators for automatic transmissions, e.g. showing selected range or mode
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to the technical field of automobile gearbox actuators, in particular to a full-gear control CVT gearbox actuator integrating a controller and an actuator. Controller and executor integrated full gear control CVT gearbox executor, which comprises a housin, be equipped with one-level gear in the casing, secondary gear, tertiary gear, level four gear and drive gear, the one-level gear is connected with the motor in the casing, secondary gear and one-level gear engagement, tertiary gear and secondary gear meshing, level four gear and tertiary gear meshing, drive gear and level four gear meshing, level four gear lower part is equipped with magnet, level four gear below is equipped with main control circuit board, be equipped with the hall element that uses with the magnet cooperation on the main control circuit board, drive gear upper portion is equipped with magnet, the drive gear top is equipped with the collection circuit board. The invention has the advantages that: the gear can be accurately controlled, and the problem of unidirectional operation of the worm and the worm gear caused by manual reset under emergency conditions is avoided.
Description
Technical Field
The invention relates to the technical field of automobile gearbox actuators, in particular to a full-gear control CVT gearbox actuator integrating a controller and an actuator.
Background
Most of actuators of the gearbox are based on double-clutch products, the actuators only need to perform P-gear locking, the control is simple, CVT products need to accurately control all gears P, R, N, D, most of products adopt a worm gear form to achieve a transmission ratio at present, and the design efficiency is low, so that the gear accurate control is difficult; at present, basically all products consist of a controller and an actuator, wherein the controller is arranged in a cab and used for controlling the action of the actuator, and the actuator is arranged on a gearbox in the cab and used for executing a gear shifting action, so that 2 parts are needed for executing one action, the number of parts is large, and the cost is high.
Disclosure of Invention
In order to solve the technical problems that the gears of the existing CVT gearbox actuator are difficult to accurately control, and parts of a controller and the actuator are high in cost, the invention provides the full-gear control CVT gearbox actuator integrating the controller and the actuator.
The technical scheme of the invention is as follows:
controller and executor integrated full gear control CVT gearbox executor, which comprises a housin, be equipped with one-level gear in the casing, the secondary gear, tertiary gear, level four gear and drive gear, the one-level gear is connected with the motor in the casing, secondary gear and one-level gear engagement, tertiary gear and secondary gear engagement, level four gear and tertiary gear engagement, drive gear and level four gear engagement, level four gear lower part is equipped with magnet, level four gear below is equipped with master control circuit board, be equipped with the hall element who uses with the magnet cooperation on the master control circuit board, drive gear upper portion is equipped with magnet, the drive gear top is equipped with the collection circuit board, be equipped with the hall element who uses with the magnet.
The vertical setting of one-level gear is in the casing, and one-level gear is double-deck gear, and the motor gear meshing that the left side major diameter gear is connected with the motor front end, and the right side minor diameter gear meshes with the second grade gear.
The vertical setting of secondary gear is in the casing, and the secondary gear is double-deck gear, and left side major diameter gear meshes with one-level gear, and right side minor diameter gear is conical gear, conical gear and tertiary gear engagement.
The three-stage gear is transversely arranged in the shell, the three-stage gear is a double-layer gear, the upper-layer large-diameter gear is a helical gear, the helical gear is meshed with the two-stage gear, and the lower-layer small-diameter gear is meshed with the four-stage gear.
The four-stage gear is transversely arranged in the shell and is a double-layer gear, the lower-layer large-diameter gear is meshed with the three-stage gear, and the upper-layer small-diameter gear is meshed with the driving gear.
The drive gear transversely sets up in the casing, and drive gear inner is circular-arc gear, circular-arc gear and level four gear engagement, drive gear outer end and casing swing joint, and the junction sets up the shaft hole that is used for connecting manual unlocking device.
The shell is internally provided with a support, the motor is connected with the support, and the first-stage gear, the second-stage gear, the third-stage gear and the fourth-stage gear are arranged on the support.
Gear shafts at two ends of the first-stage gear are inserted into the mounting holes in the support, gear shafts in the middle of the second-stage gear are clamped into the mounting holes in the support, and gear shafts at the lower ends of the third-stage gear and the fourth-stage gear are inserted into the mounting holes in the support.
The Hall element on the main control circuit board is a 3D Hall element, and the Hall element on the acquisition circuit board is a switch Hall element.
The technical scheme of the invention has novel structure and ingenious design, and adopts accurate positioning and control to meet the requirement of the CVT gearbox on different outputs of each gear; the multi-stage gear structure can realize higher efficiency output, can realize accurate control of gears and avoid the problem of unidirectional operation of the worm and gear caused by manual reset in emergency; the controller and the actuator are integrated into the actuator, so that the original 2 circuit boards are changed into one circuit board, the PCB, the power management system, the CAN receiving and transmitting system and the like CAN be shared, auxiliary parts such as a mounting bracket for control and the like are reduced, a group of wiring harnesses and connectors for butt joint of the client are correspondingly reduced, the product cost is lower, and the assembly process of the client is simplified due to the reduction of parts.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a side cross-sectional structural schematic of the present invention;
FIG. 5 is a side cross-sectional structural schematic of the present invention;
fig. 6 is a side cross-sectional structural schematic of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
The actuator of the full-gear control CVT gearbox integrated with the controller and the actuator shown in figure 1 ~ 6 comprises a shell 1, wherein a first-level gear 3, a second-level gear 4, a third-level gear 5, a fourth-level gear 6 and a driving gear 7 are arranged in the shell 1, the first-level gear 3 is connected with a motor 2 in the shell 1, the second-level gear 4 is meshed with the first-level gear 3, the third-level gear 5 is meshed with the second-level gear 4, the fourth-level gear 6 is meshed with the third-level gear 5, the driving gear 7 is meshed with the fourth-level gear 6, a magnet is arranged at the lower part of the fourth-level gear 6, a main control circuit board 9 is arranged below the fourth-level gear 6, a Hall element matched with the magnet is arranged on the main control circuit board 9 and is a 3D Hall element, the four-level gear 6 drives the magnet to rotate and the 3D Hall element on the main control circuit board 9 to perform angle induction so as to acquire the rotating angles of the forward and the four-level gear 6, and finally obtain gear shifting output through transmission ratio conversion, the magnet at the upper part of the driving gear 7 is provided with the magnet, an acquisition circuit board 10, the Hall element matched with the Hall element used with the Hall element, the cover board 10 is provided with a power-level cover board, the cover board.
Be equipped with support 11 in the casing 1, motor 2 installs at 11 right-hand members of support, connects the motor gear setting at motor 2 front end in support 11 left sides, and 3 vertical settings of one-level gear are in support 11 left sides, and 3 both ends gear shafts of one-level gear insert in the mounting hole on the support 11, and one-level gear 3 is double gear, the motor gear meshing that the left side major diameter gear is connected with motor 2 front end, the right side minor diameter gear and the 4 left sides major diameter gear meshing of secondary gear.
The vertical setting of secondary gear 4 is in support 11 left side, and in the mounting hole on support 11 was gone into to the gear shaft card in the middle part of secondary gear 4, secondary gear 4 was double gear, and left side major diameter gear and 3 right side minor diameter gear engagements of one-level gear, and right side minor diameter gear is conical gear, conical gear and 5 upper strata major diameter gear engagements of tertiary gear.
The three-stage gear 5 is transversely arranged above the right bracket 11, a gear shaft at the lower end of the three-stage gear 5 is inserted into a mounting hole in the bracket 11, the upper end of the three-stage gear is inserted into a mounting hole in the cover plate, the three-stage gear 5 is a double-layer gear, an upper-layer large-diameter gear is a helical gear, the helical gear is meshed with a small-diameter gear at the right side of the second-stage gear 4, and a lower-layer small-diameter gear is meshed with a lower-.
The four-stage gear 6 is transversely arranged above the right bracket 11, a gear shaft at the lower end of the four-stage gear 6 is inserted into a mounting hole in the bracket 11, the four-stage gear 6 is a double-layer gear, a large-diameter gear at the lower layer is meshed with a small-diameter gear at the lower layer of the three-stage gear 5, and a small-diameter gear at the upper layer is meshed with an arc-shaped gear at the inner end of the driving gear 7.
Since the CVT actuator needs to control P, R, N, D four gears precisely at all times, although the conventional worm gear structure is simple and can still obtain the required reduction ratio, it has a low transmission efficiency, and the variation of the wave crest and wave trough of the actual transmission is about 50%, and the dimensional tolerance and matching clearance of the parts are added, so that the situation that the gear shift cannot be performed or cannot be performed under the condition of theoretical output is likely to occur. This design adopts five-stage gear set to realize finally that the output of the little moment of torsion of motor 2 converts the big moment of torsion output of drive shaft into.
The actuator has compact design space of a transmission structure, skillfully converts the output of the motor 2 in the horizontal direction into the output in the vertical direction through the application of the conical gear of the secondary gear 4 and the helical gear of the tertiary gear 5, and utilizes all the space; the transmission ratio is high, the actuator finally realizes the output of large torque of the driving shaft through the transmission of the multi-stage gears, and the easy gear shifting is realized; the transmission efficiency is high, and the whole transmission efficiency is higher and the loss is less because the gear set is adopted for direct transmission; the gear control precision is higher, and as a gear set transmission mode is adopted, the actuator has the function of automatically returning to the gear under the condition that the motor 2 is in no load under the condition that the gear set applies force to the gearbox shaft; the manual operation under the emergency condition is more convenient, and due to the adoption of the gear set form, the actuator can be easily restored to a certain gear in a manual mode under the condition that the actuator has a problem, and the one-way operability of the worm gear is not realized.
The gear acquisition of the actuator adopts a dual mode of a 3D Hall element and a switch Hall element, and the realizability and the reliability of a product are improved. Arranging a magnet at the lower end of the four-stage gear 6, driving the magnet to rotate through the four-stage gear 6 and carrying out angle sensing on a 3D Hall element on the main control circuit board 9 to acquire the positive and negative movement directions and the rotation angle of the gear, and finally obtaining the gear shifting angle output through the conversion of the transmission ratio. Because the 3D Hall element can only mark the direction and the angle, the control can be carried out through software and hardware under the normal use condition, but the direction is lost under the power failure condition, the redundant design is carried out by adding the acquisition circuit board 10 and the magnet trigger switch Hall element to the actuator, and because the output of the driving shaft is finally in one-to-one correspondence with the output of the gearbox, the gear acquisition has higher precision, and accurate position output can be provided under the power failure and power re-up conditions of the actuator so as to carry out strategic control on the actuator. The 3D Hall element and the switch Hall element can better meet the requirement of functional safety, and can still work effectively even if part of elements fail, thereby increasing the reliability.
The actuator scheme cancels the original controller, and integrates the controller and the electronic part of the actuator into the actuator, so that the circuit board is integrated by the original two parts into a whole. The PCB, the power management system, the CAN receiving and transmitting system and the like are shared, and part of components are reduced. Accordingly, peripheral accessories of the fixing and assembling controller are eliminated, and a group of wiring harnesses and connectors for butting of the client side is reduced correspondingly, so that the product cost is lower, and the assembling process of the client side is simplified due to the reduction of parts.
When the electronic gear shifting device is used, a driver transmits gear shifting intention to an engine management system through a controller local area network through the electronic gear shifting device, the engine management system judges whether corresponding gear shifting is carried out or not according to the rotating speed of an engine, the vehicle speed, the gear state of a gearbox control unit, a brake signal and the like, if gear shifting is needed, a signal is sent to a gearbox actuator control module, a gear set is driven by a motor 2 to twist a gearbox shaft to realize gear shifting, and meanwhile gear information in the actuator is fed back to be compared and confirmed by the engine management system.
It should be understood that the above-mentioned embodiments are merely preferred examples of the present invention, and not restrictive, but rather, all the changes, substitutions, alterations and modifications that come within the spirit and scope of the invention as described above may be made by those skilled in the art, and all the changes, substitutions, alterations and modifications that fall within the scope of the appended claims should be construed as being included in the present invention.
Claims (9)
1. Controller and executor integrated full gear control CVT gearbox executor includes casing (1), its characterized in that: a primary gear (3), a secondary gear (4), a tertiary gear (5), a quaternary gear (6) and a driving gear (7) are arranged in the shell (1), one-level gear (3) are connected with motor (2) in casing (1), second grade gear (4) and one-level gear (3) meshing, tertiary gear (5) and second grade gear (4) meshing, level four gear (6) and tertiary gear (5) meshing, drive gear (7) and level four gear (6) meshing, level four gear (6) lower part is equipped with magnet, level four gear (6) below is equipped with main control circuit board (9), be equipped with the hall element who uses with the magnet cooperation on main control circuit board (9), drive gear (7) upper portion is equipped with magnet, drive gear (7) top is equipped with acquisition circuit board (10), be equipped with the hall element who uses with the magnet cooperation on acquisition circuit board (10).
2. The controller and actuator integrated full range control CVT transmission actuator of claim 1, wherein: the vertical setting of one-level gear (3) is in casing (1), and one-level gear (3) are double gear, and the motor gear meshing that the left side major diameter gear is connected with motor (2) front end, and the minor diameter gear in right side meshes with secondary gear (4).
3. The controller and actuator integrated full range control CVT transmission actuator of claim 1, wherein: the two-stage gear (4) is vertically arranged in the shell (1), the two-stage gear (4) is a double-layer gear, a large-diameter gear on the left side is meshed with the first-stage gear (3), a small-diameter gear on the right side is a bevel gear, and the bevel gear is meshed with the third-stage gear (5).
4. The controller and actuator integrated full range control CVT transmission actuator of claim 1, wherein: the three-stage gear (5) is transversely arranged in the shell (1), the three-stage gear (5) is a double-layer gear, the upper-layer large-diameter gear is a helical gear, the helical gear is meshed with the second-stage gear (4), and the lower-layer small-diameter gear is meshed with the fourth-stage gear (6).
5. The controller and actuator integrated full range control CVT transmission actuator of claim 1, wherein: level four gear (6) transversely set up in casing (1), level four gear (6) are double-deck gear, and lower floor major diameter gear and tertiary gear (5) meshing, upper strata minor diameter gear and drive gear (7) meshing.
6. The controller and actuator integrated full range control CVT transmission actuator of claim 1, wherein: drive gear (7) transversely set up in casing (1), drive gear (7) inner is circular-arc gear, and circular-arc gear and level four gear (6) meshing, drive gear (7) outer end and casing (1) swing joint, and the junction sets up shaft hole (8) that are used for connecting manual unlocking device.
7. The controller and actuator integrated full range control CVT transmission actuator of claim 1, wherein: be equipped with support (11) in casing (1), motor (2) are connected with support (11), and one-level gear (3), secondary gear (4), tertiary gear (5) and level four gear (6) are installed on support (11).
8. The controller and actuator integrated full range control CVT transmission actuator of claim 7, wherein: in the mounting hole on one-level gear (3) both ends gear shaft inserted support (11), the gear shaft card in second grade gear (4) middle part is gone into in the mounting hole on support (11), and tertiary gear (5) and level four gear (6) lower extreme gear shaft insert in the mounting hole on support (11).
9. The controller and actuator integrated full range control CVT transmission actuator of claim 1, wherein: the Hall element on the main control circuit board (9) is a 3D Hall element, and the Hall element on the acquisition circuit board (10) is a switch Hall element.
Priority Applications (1)
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CN201910916614.7A CN110671495A (en) | 2019-09-26 | 2019-09-26 | Controller and actuator integrated actuator full-gear control CVT gearbox actuator |
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CN201910916614.7A CN110671495A (en) | 2019-09-26 | 2019-09-26 | Controller and actuator integrated actuator full-gear control CVT gearbox actuator |
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CN201910916614.7A Pending CN110671495A (en) | 2019-09-26 | 2019-09-26 | Controller and actuator integrated actuator full-gear control CVT gearbox actuator |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111577886A (en) * | 2020-06-01 | 2020-08-25 | 宁波正朗汽车零部件有限公司 | Novel electronic gear shifting execution structure |
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FR2803358A1 (en) * | 1999-12-30 | 2001-07-06 | Valeo | Gear change actuator for vehicle gearbox includes electronically controlled motor with threaded shaft displacing output actuator |
CN203035848U (en) * | 2013-02-01 | 2013-07-03 | 刘忠 | Full-automatic numerical control universal bending machine transmission mechanism |
CN205592378U (en) * | 2016-04-27 | 2016-09-21 | 吉林大学 | Two keep off automatically controlled AMT actuating mechanism that shifts |
CN108757854A (en) * | 2018-07-20 | 2018-11-06 | 深圳市罗曼斯科技有限公司 | A kind of gearbox |
CN109268483A (en) * | 2017-07-18 | 2019-01-25 | 德韧营运有限责任公司 | Actuator assembly for transmission shifter |
CN210978500U (en) * | 2019-09-26 | 2020-07-10 | 宁波正朗汽车零部件有限公司 | Controller and actuator integrated actuator full-gear control CVT gearbox actuator |
-
2019
- 2019-09-26 CN CN201910916614.7A patent/CN110671495A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2803358A1 (en) * | 1999-12-30 | 2001-07-06 | Valeo | Gear change actuator for vehicle gearbox includes electronically controlled motor with threaded shaft displacing output actuator |
CN203035848U (en) * | 2013-02-01 | 2013-07-03 | 刘忠 | Full-automatic numerical control universal bending machine transmission mechanism |
CN205592378U (en) * | 2016-04-27 | 2016-09-21 | 吉林大学 | Two keep off automatically controlled AMT actuating mechanism that shifts |
CN109268483A (en) * | 2017-07-18 | 2019-01-25 | 德韧营运有限责任公司 | Actuator assembly for transmission shifter |
CN108757854A (en) * | 2018-07-20 | 2018-11-06 | 深圳市罗曼斯科技有限公司 | A kind of gearbox |
CN210978500U (en) * | 2019-09-26 | 2020-07-10 | 宁波正朗汽车零部件有限公司 | Controller and actuator integrated actuator full-gear control CVT gearbox actuator |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111577886A (en) * | 2020-06-01 | 2020-08-25 | 宁波正朗汽车零部件有限公司 | Novel electronic gear shifting execution structure |
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