CN205745238U - A kind of shift-selecting and changing actuating mechanism for automatic speed transmission - Google Patents
A kind of shift-selecting and changing actuating mechanism for automatic speed transmission Download PDFInfo
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- CN205745238U CN205745238U CN201620408318.8U CN201620408318U CN205745238U CN 205745238 U CN205745238 U CN 205745238U CN 201620408318 U CN201620408318 U CN 201620408318U CN 205745238 U CN205745238 U CN 205745238U
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Abstract
This utility model relates to automatic transmission technical field, a kind of shift-selecting and changing actuating mechanism for automatic speed transmission is provided, including shifting shaft, the gear selecting shift fork being arranged on shifting shaft and the first gearshift driven tooth fan, shift-selecting and changing actuating mechanism for automatic speed transmission also includes the second gearshift driven tooth fan being meshed with the first gearshift driven tooth fan, shift-selecting and changing actuating mechanism for automatic speed transmission also includes gearshift brushless D. C. torque motor and block selecting brushless D. C. torque motor, wherein, gearshift brushless D. C. torque motor and the second gearshift fixing connection of driven tooth fan, block selecting brushless D. C. torque motor is fixing with gear selecting shift fork to be connected, thus realize the shifting operation of automatic transmission, reliability is high, overload factor is big, can directly drive load, reduce the Machine Design difficulty of whole actuator, and control accurately.
Description
Technical field
This utility model belongs to automatic transmission technical field, particularly relates to a kind of automatic transmission shifting and holds
Row mechanism.
Background technology
Along with the quickening of urbanization Yu auto industry process, environmental pollution and energy shortage become increasingly conspicuous, new energy
Source automobile becomes following developing direction, and the hybrid vehicle as one of new-energy automobile is more notable because of it
Feature attract the sight of people, it pure electronic starting possessed and regenerative braking function reduce car
Pollutant emission, improve fuel efficiency.Couple based on mixed powered car Dual Drive dynamical system
The realization of speed change scheme, full-vehicle control and shift control strategy and the integrated coupling of car load and test adjustment work,
The deciding factor of car load rate of economizing gasoline will be become.And integrated vehicle control tactics and shift control strategy need automatically to become
Speed device goes to realize.
At present, the shift-selecting and changing actuating mechanism for automatic speed transmission that the application of field, mixed powered car market is more uses straight
Stream brush motor, gear reduction, the mode of shifting position sensor, it has the drawback that
(1) shift-selecting and changing actuating mechanism uses permanent-magnet DC brush motor to carry out mechanical commutation, needs periodic replacement
Brush is safeguarded, poor reliability, and under gearshift fault condition, the excessive motor lock-rotor caused of shifting power is easy to
Cause motor to burn out, reduce the working life of automatic transmission；
(2) complicated in mechanical structure of gear reduction unit, equivalent moment of inertia is big, and response is relatively slow, and requires height
Precision gear pair transmission ensures the accuracy controlled, and adds processing and manufacturing difficulty and cost；
(3) direct-current brush motor output moment of torsion is less, it is impossible to directly drive load, needs to increase gear and slows down
Device achieves deceleration increasing torsion and meets gear shifting force；
(4) shift-selecting and changing actuating mechanism needs additionally to add upper position sensor and position detection frame for movement, to sentence
Whether disconnected straight-line displacement reaches target location, and the Errors in Gear Processing added in cost and decelerator is also made
Becoming location positioning precision the highest, meanwhile, the position signalling that collects is as easy as rolling off a log by servomotor with power current
The electromagnetic interference of machine, makes to aspects such as the position sensor/type selecting of connector/wire harness, coupling, signal processing
Become extreme difficulties.
Utility model content
The purpose of this utility model is to provide a kind of shift-selecting and changing actuating mechanism for automatic speed transmission, it is intended to solve existing
With the presence of the shift-selecting and changing actuating mechanism poor reliability in technology, processing and manufacturing difficulty is big, cost is high and needs
Increase decelerator and the problem that frame for movement carries out location positioning is detected in position.
This utility model is achieved in that a kind of shift-selecting and changing actuating mechanism for automatic speed transmission, including shifting shaft,
The gear selecting shift fork being arranged on described shifting shaft and the first gearshift driven tooth fan, described automatic transmission shifting
Actuator also include with described first gearshift driven tooth fan be meshed second gearshift driven tooth fan, described from
Dynamic gear selecting gear shifting actuating mechanism also includes gearshift brushless D. C. torque motor and block selecting brushless direct-current power
Torque motor, wherein, described gearshift brushless D. C. torque motor is fixing even with described second gearshift driven tooth fan
Connecing, described block selecting brushless D. C. torque motor is fixing with described gear selecting shift fork to be connected.
As a kind of improved plan, it is provided with block selecting rotating speed in described block selecting brushless D. C. torque motor and passes
Sensor and block selecting position sensor, the tach signal line of described block selecting speed probe and described block selecting are used
The position signalling line of position sensor electrically connects with control unit for automatic shift respectively.
As a kind of improved plan, it is provided with gearshift rotating speed in described gearshift brushless D. C. torque motor and passes
Sensor and gearshift position sensor, the tach signal line of described gearshift speed probe and described gearshift are used
The position signalling line of position sensor electrically connects with control unit for automatic shift respectively.
As a kind of improved plan, described first gearshift driven tooth fan is sleeved on described shifting shaft.
As a kind of improved plan, described first gearshift driven tooth fan is fixed on institute by the first fastening bolt
State on shifting shaft.
As a kind of improved plan, described gear selecting shift fork is fixed on described shifting shaft by the second fastening bolt
On.
As a kind of improved plan, described block selecting brushless D. C. torque motor and gearshift brushless direct-current power
Torque motor is connected with control unit for automatic shift by motor three-phase drive line.
The gear selecting shift fork including shifting shaft due to shift-selecting and changing actuating mechanism for automatic speed transmission, being arranged on shifting shaft
With the first gearshift driven tooth fan, shift-selecting and changing actuating mechanism for automatic speed transmission also includes and the first gearshift driven tooth fan
Be meshed second gearshift driven tooth fan, shift-selecting and changing actuating mechanism for automatic speed transmission also include shift gears with brushless directly
Stream torque motor and block selecting brushless D. C. torque motor, wherein, gearshift brushless D. C. torque motor and the
Two gearshift driven tooth fans are fixing to be connected, and block selecting brushless D. C. torque motor is fixing with gear selecting shift fork to be connected, from
And realize the shifting operation of automatic transmission, reliability is high, overload factor is big, can directly drive load,
Reduce the Machine Design difficulty of whole actuator, and control accurately.
Accompanying drawing explanation
Fig. 1 is the structural representation of the shift-selecting and changing actuating mechanism for automatic speed transmission that this utility model provides；
Fig. 2 is the electrical schematic diagram that this utility model provides shift-selecting and changing actuating mechanism for automatic speed transmission；
Wherein, 1-gearshift brushless D. C. torque motor, 2-shifting shaft, the position of 3-gearshift position sensor
Putting holding wire, 4-gear selecting shift fork, 5-first shifts gears driven tooth fan, and the rotating speed of 6-gearshift speed probe is believed
Number line, 7-block selecting brushless D. C. torque motor, the position signalling line of 8-block selecting position sensor, 9-
Two gearshift driven tooth fans, the tach signal line of 10-block selecting speed probe, 11-automatic transmission controls single
Unit, 12-motor three-phase drive line.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And embodiment, this utility model is further elaborated.Should be appreciated that described herein specifically
Embodiment, only in order to explain this utility model, is not used to limit this utility model.
Fig. 1 shows the structural representation of the shift-selecting and changing actuating mechanism for automatic speed transmission that this utility model provides,
For convenience of description, figure only gives the part relevant to this utility model.
The gear selecting shift fork 4 that shift-selecting and changing actuating mechanism for automatic speed transmission includes shifting shaft 2, is arranged on shifting shaft 2
With the first gearshift driven tooth fan 5, shift-selecting and changing actuating mechanism for automatic speed transmission also includes and the first gearshift driven tooth fan
5 the second gearshift driven tooth fans 9 being meshed；
Shift-selecting and changing actuating mechanism for automatic speed transmission also includes gearshift brushless D. C. torque motor 1 and block selecting nothing
Brush direct current torque motor 7, wherein, gearshift is solid with brushless D. C. torque motor 1 and the second gearshift driven tooth fan 9
Fixed connection, block selecting is connected with brushless D. C. torque motor 7 is fixing with gear selecting shift fork 4.
Wherein, engage shown in Fig. 2, in block selecting brushless D. C. torque motor 7, be provided with block selecting revolution speed sensing
Device and block selecting position sensor (unmarked in figure), tach signal line 10 He of block selecting speed probe
The position signalling line 8 of block selecting position sensor electrically connects with control unit for automatic shift 11 respectively；
Shown in joint Fig. 2, it is provided with gearshift speed probe in gearshift brushless D. C. torque motor 1 and changes
Gear position sensor, the tach signal line 6 of gearshift speed probe and the position of gearshift position sensor
Put holding wire 3 to electrically connect with control unit for automatic shift 11 respectively.
In fig. 2, block selecting brushless D. C. torque motor 7 and gearshift brushless D. C. torque motor 1 pass through
Motor three-phase drive line 12 is connected with control unit for automatic shift 11.
In this utility model, the first gearshift driven tooth fan 5, gear selecting shift fork 4 and shifting shaft 2 connected mode can
With identical with the connection in existing automatic transmission, it may be assumed that
First gearshift driven tooth fan 5 is sleeved on shifting shaft 2, and this first gearshift driven tooth fan 5 can pass through
First fastening bolt is fixed on shifting shaft 2, thus fans 5 by shifting shaft 2 and the first gearshift driven tooth
Rotate, it is achieved gear shifting action；
Gear selecting shift fork 4 can be fixed on shifting shaft 2 by the second fastening bolt, by gear selecting shift fork 4
Action realizes the action of gear selecting.
Shown in Fig. 1 and Fig. 2, the operation principle of gear selecting gearshift is as follows:
Block selecting brushless D. C. torque motor 7 receives automatic transmission control list by motor three-phase drive line 12
The control instruction of unit 11, works on power, and drives the angled operating of gear selecting shift fork 4, i.e. gear selecting shift fork 4 rotates
Action drives shifting shaft 2 action, thus realizes gear selecting action；
Gearshift brushless D. C. torque motor 1 receives automatic transmission control list by motor three-phase drive line 12
The control instruction of unit 11, works on power, and this gearshift output shaft of brushless D. C. torque motor 1 drives second
Gearshift driven tooth fan 9 rotation, by meshed transmission gear, promotes the first gearshift driven tooth fan 5 rotation, with
The first fixing shifting shaft 2 connected of gearshift driven tooth fan 5 is also with rotation, it is achieved gear shifting action.
In this utility model, shift-selecting and changing actuating mechanism for automatic speed transmission includes shifting shaft 2, is arranged on shifting shaft
Gear selecting shift fork on 24 and the first gearshift driven tooth fan 5, shift-selecting and changing actuating mechanism for automatic speed transmission also include with
The second gearshift driven tooth fan 9 that first gearshift driven tooth fan 5 is meshed, shift-selecting and changing actuating mechanism for automatic speed transmission
Also including gearshift brushless D. C. torque motor 1 and block selecting brushless D. C. torque motor 7, wherein, gearshift is used
Brushless D. C. torque motor 1 is fixing with the second gearshift driven tooth fan 9 to be connected, block selecting DC brushless torque electricity
Machine 7 is fixing with gear selecting shift fork 4 to be connected, thus realizes the shifting operation of automatic transmission, and it has as follows
Technique effect:
(1) step electric machine and the shift motor of shift-selecting and changing actuating mechanism for automatic speed transmission all uses brushless direct-current power
Torque motor, compared with brush direct current motor, on the basis of retaining with vehicle-mounted 24V accumulator direct current supply,
Mechanical commutation mode changes carrying out electronics by the motor driver within control unit for automatic shift 11 into and changes
To, eliminate the periodic maintenance of brushed DC motor, substantially increase the reliability of motor, thus increase certainly
The reliability of dynamic variator, increases service life；
(2) step electric machine and the shift motor of shift-selecting and changing actuating mechanism for automatic speed transmission uses DC brushless torque
Motor, its speed-regulating range width, overload factor is high, it is allowed to be operated in locked rotor condition and lower-speed state continuously, defeated
Go out moment of torsion big, so just can directly drive load without reducing gear, eliminate reducing gear, machinery knot
Structure is simple, and equivalent moment of inertia is little, and response is rapidly；
(3) brushless dc that shift-selecting and changing actuating mechanism for automatic speed transmission step electric machine and shift motor use
Machine, owing to carrying speed probe and position sensor, by speed probe and the rotor position of motor internal
Put rotating speed and position signalling that sensor Real-time Collection rotates, be fed directly to control unit for automatic shift 11,
Doing real-time speed regulating and the closed loop control of angular displacement calculating, system servo characteristic is preferable, it is ensured that shifting controls
Accuracy；
(4) shift-selecting and changing actuating mechanism for automatic speed transmission need not extra point of addition sensor, the most just need not
Consider the electromagnetic interference problem of motor, greatly reduce the difficulty of position sensor type selecting
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model,
All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, all should
Within being included in protection domain of the present utility model.
Claims (7)
1. a shift-selecting and changing actuating mechanism for automatic speed transmission, including shifting shaft (2), is arranged on described shifting shaft
(2) the gear selecting shift fork (4) on and the first gearshift driven tooth fan (5), described automatic transmission shifting is held
Row mechanism also includes the second gearshift driven tooth fan (9) being meshed with described first gearshift driven tooth fan (5),
It is characterized in that, described shift-selecting and changing actuating mechanism for automatic speed transmission also includes gearshift brushless D. C. torque motor
And block selecting brushless D. C. torque motor (7), wherein, described gearshift brushless D. C. torque motor (1) (1)
Fix with described second gearshift driven tooth fan (9) and be connected, described block selecting brushless D. C. torque motor (7)
Fix with described gear selecting shift fork (4) and be connected.
Shift-selecting and changing actuating mechanism for automatic speed transmission the most according to claim 1, it is characterised in that described
Block selecting speed probe and block selecting position sensor it is provided with in block selecting brushless D. C. torque motor (7),
The tach signal line (10) of described block selecting speed probe and the position letter of described block selecting position sensor
Number line (8) electrically connects with control unit for automatic shift (11) respectively.
Shift-selecting and changing actuating mechanism for automatic speed transmission the most according to claim 1, it is characterised in that described
Gearshift speed probe and gearshift position sensor it is provided with in gearshift brushless D. C. torque motor (1),
The tach signal line (6) of described gearshift speed probe and the position signalling of described gearshift position sensor
Line (3) electrically connects with control unit for automatic shift (11) respectively.
Shift-selecting and changing actuating mechanism for automatic speed transmission the most according to claim 1, it is characterised in that described
First gearshift driven tooth fan (5) is sleeved on described shifting shaft (2).
Shift-selecting and changing actuating mechanism for automatic speed transmission the most according to claim 4, it is characterised in that described
First gearshift driven tooth fan (5) is fixed on described shifting shaft (2) by the first fastening bolt.
Shift-selecting and changing actuating mechanism for automatic speed transmission the most according to claim 1, it is characterised in that described
Gear selecting shift fork (4) is fixed on described shifting shaft (2) by the second fastening bolt.
Shift-selecting and changing actuating mechanism for automatic speed transmission the most according to claim 1, it is characterised in that described
Motor three-phase is passed through in block selecting brushless D. C. torque motor (7) and gearshift brushless D. C. torque motor (1)
Line (12) is driven to be connected with control unit for automatic shift (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620408318.8U CN205745238U (en) | 2016-05-07 | 2016-05-07 | A kind of shift-selecting and changing actuating mechanism for automatic speed transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620408318.8U CN205745238U (en) | 2016-05-07 | 2016-05-07 | A kind of shift-selecting and changing actuating mechanism for automatic speed transmission |
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| Publication Number | Publication Date |
|---|---|
| CN205745238U true CN205745238U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620408318.8U Active CN205745238U (en) | 2016-05-07 | 2016-05-07 | A kind of shift-selecting and changing actuating mechanism for automatic speed transmission |
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|---|---|
| CN (1) | CN205745238U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545653A (en) * | 2017-01-11 | 2017-03-29 | 南京越博动力系统股份有限公司 | A kind of gear shifting actuating mechanism without block selecting of automatic transmission |
| CN110375065A (en) * | 2019-08-19 | 2019-10-25 | 宜宾丰川动力科技有限公司 | A kind of shift mechanism, dynamical system and electric vehicle |
-
2016
- 2016-05-07 CN CN201620408318.8U patent/CN205745238U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545653A (en) * | 2017-01-11 | 2017-03-29 | 南京越博动力系统股份有限公司 | A kind of gear shifting actuating mechanism without block selecting of automatic transmission |
| CN110375065A (en) * | 2019-08-19 | 2019-10-25 | 宜宾丰川动力科技有限公司 | A kind of shift mechanism, dynamical system and electric vehicle |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |