CN206290686U - A kind of Ball screw type gear shift mechanism - Google Patents
A kind of Ball screw type gear shift mechanism Download PDFInfo
- Publication number
- CN206290686U CN206290686U CN201621308415.6U CN201621308415U CN206290686U CN 206290686 U CN206290686 U CN 206290686U CN 201621308415 U CN201621308415 U CN 201621308415U CN 206290686 U CN206290686 U CN 206290686U
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- Prior art keywords
- gear shift
- gear
- selecting
- select
- ball
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Abstract
The utility model discloses a kind of Ball screw type gear shift mechanism, including housing, step electric machine, gear shifting motor, select gear shift shifting block, select selector shaft, also include gear selecting ball-screw external member, gear shift ball-screw external member, gear selecting sensor and gear shift sensor, the step electric machine drives the motion of gear selecting ball screw external member, the gear shifting motor drives the gear shift ball screw external member motion, the gear selecting ball screw external member selects gear shift shifting block to be connected and drives it along the axial linear movement for selecting selector shaft with described, the gear shift ball screw external member selects gear shift shifting block to be connected and drives it to select selector shaft as axis swing with described, gear selecting sensor sensing is described to select the linear motion of gear shift shifting block, gear shift sensor sensing is described to select the swing of gear shift shifting block.Driven by ball-screw external member and select gear shift shifting block gear shift, its stable transmission, the power that motor spreads out of can efficiently drive to and select the gear shift shifting block to carry out selecting gear shift in time.
Description
Technical field
The utility model is related to gear-selecting-shifting mechanism, more particularly to a kind of Ball screw type gear shift mechanism.
Background technology
AMT (Automated Mechanical Transmission) refers to electrical control automatic manual transmission case, kneading
The mechanical-electrical-hydraulic integration automatic transmission of both AT (automatic) and MT (manual) advantage；AMT both has hydraulic automatic speed variator
The advantage of fluid drive, remain again the gear-driven efficiency high of former manual transmission, low cost, simple structure, easily manufacture
Strong point, therefore AMT cost performance highests, are an important directions of automatic gear-box development.
Current existing AMT gear-selecting-shifting mechanisms generally realize that selects gear shift to act moves by worm couple or gear pair
Power is driven.Worm and gear auxiliary driving has the advantages that stable working, noise be low, gearratio is big, but it is simultaneously also efficient low, easy
The shortcomings of heating；Gear auxiliary driving has the advantages that efficiency high, transmission power are big, but gear-driven noise, vibration receive gear
Machining accuracy influence is larger, improves more difficult.
Utility model content
In order to overcome the shortcoming and deficiency of prior art, the utility model discloses a kind of efficiency high, the ball of high precision
Screw-type gear shift mechanism.
Scheme is as follows disclosed in the utility model：A kind of Ball screw type gear shift mechanism, including housing, step electric machine,
Gear shifting motor, select gear shift shifting block and select selector shaft, also passed including gear selecting ball-screw external member, gear shift ball-screw external member, gear selecting
Sensor and gear shift sensor, the gear selecting ball-screw external member, gear shift ball-screw external member, gear shift shifting block are arranged on the housing
In, the step electric machine and gear selecting sensor are arranged on two symmetrical sides of the housing, the gear shifting motor and gear shift sensor
The two further pairs for being arranged on the housing claim side, it is described select gear shift shifting block be slidably mounted on it is described select on selector shaft, the gear selecting
Motor drives the motion of gear selecting ball screw external member, and the gear shifting motor drives the gear shift ball screw external member motion, the choosing
Shelves ball screw external member selects gear shift shifting block to be connected and drives it along the axial linear movement for selecting selector shaft, the gear shift rolling with described
Ballscrew external member selects gear shift shifting block to be connected and drives it to select selector shaft as axis swing, the gear selecting sensor sensing with described
The linear motion for selecting gear shift shifting block, the gear shift sensor sensing is described to select the swing of gear shift shifting block.By ball-screw
External member drives selects gear shift shifting block gear shift, its stable transmission, and the power that motor spreads out of can efficiently drive to and select gear shift to dial in time
Block carries out selecting gear shift.
Further, the gear selecting ball screw external member includes gear selecting screw mandrel and selects ball nut；The gear shift ball wire
Rod set part includes gear shift screw mandrel and gear shift ball nut, and one end of the gear selecting screw mandrel is connected with the axle of the step electric machine, separately
One end is installed on the housing, and the gear selecting ball nut is set on the gear selecting screw mandrel and selects gear shift shifting block axle with described
To fixation；One end of the gear shift screw mandrel is connected with the axle of the gear shifting motor, and the other end is installed on the housing, described to change
Shelves ball nut is set on the gear shift screw mandrel and selects gear shift shifting block to be flexibly connected with described, and the gear shift ball nut drives
It is described to select gear shift shifting block to select selector shaft as axis swing.Driven by the cooperation of leading screw and ball nut and select the gear shift shifting block to carry out
Gear shift is selected, its switching speed is fast, efficiency high.
Further, described to select selector shaft to be erected at inner walls and parallel with the gear selecting screw mandrel, its one end is worn
Go out the housing to be connected with the gear shift sensor.The gear shift sensor can in time feed back the position for selecting gear shift shifting block, make to change
Shelves fast accurate.
Further, this shifter also includes gear selecting sensor driving lever, and the gear selecting sensor driving lever is arranged on described
In housing, its one end selects gear shift shifting block to be connected with described, and the other end is connected with the gear selecting sensor, described to select gear shift shifting block band
The dynamic gear selecting sensor dead man rotation.It is described that to select shift lever be itself by the transform linear motion for selecting gear shift shifting block
Rotation, so as to stir gear selecting sensor.
Further, the gear selecting sensor and gear shift sensor are angular transducer.It is real-time using angular transducer
The sensing position for selecting gear shift shifting block, enables TCU to make corresponding control in time.
Further, this shifter also include conversion block, the conversion block be set in it is described select on selector shaft, its one end
It is flexibly connected with the gear shift ball nut, the gear shift ball nut drives the conversion block to rotate, the conversion
Block drive is described to select selector shaft to rotate.The conversion block can transmit the power of the gear shift ball nut, by the rotation of itself
Drive is described to select selector shaft to rotate.
Further, the case top is further opened with passage, and the passage is provided with breather plug.The breather plug
Transmission internal air pressure is set to control in tolerance interval.
Further, the step electric machine and gear shifting motor are respectively arranged with the connection jaws for differing.Due to the gear selecting
Motor and gear shifting motor are the motor for colluding type, wrong plug interface when the setting prevents from connecting.
Compared to existing technology, gear-selecting-shifting mechanism carries out gear shift using ball-screw external member, and switching speed is fast, efficiency high, institute
State and select the gear shift shifting block can be completed in 0.08 second from neutral position to gear positions；Additionally use sensor auxiliary and select gear shift,
Shift pattern can be selected with high precision real-time monitoring, allow electric control system controls motor to act accordingly, its horizontal gear selecting
Operation precision is can be controlled in +/- 0.3mm, fully meets gearshift demand, due to can according to the detection of angular displacement sensor come
Accurate start-stop, is pin-pointed to any position, therefore, the shift-selecting and changing actuating mechanism coordinates upper cover of speed changing box system to make 3-8 grades
Gear shift, whole gearbox shifting number can be with double if gearbox band odd-side.
In order to more fully understand and implement, the utility model is described in detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the B-B generalized sections of Fig. 1.
Fig. 3 is the C-C generalized sections of Fig. 1.
Specific embodiment
Refer to Fig. 1, a kind of Ball screw type gear shift mechanism, including housing 1, step electric machine 2, gear shifting motor 3, gear selecting
Ball-screw external member 4, gear shift ball-screw external member 5, select gear shift shifting block 6, select selector shaft 7, gear selecting sensor 8 and gear shift sensor
9.The gear selecting ball-screw external member 4, gear shift ball-screw external member 5, gear shift shifting block 6 are arranged in the housing 1.The housing
1 is quadrangle housing, and the step electric machine 2 and gear selecting sensor 8 are arranged on two symmetrical sides of the housing 1, the gear shift electricity
The two further pairs that machine 3 and gear shift sensor 9 are arranged on the housing 1 claim side.It is described to select gear shift shifting block 6 to be slidably mounted on the choosing
On selector shaft 7.The step electric machine 2 drives gear selecting ball screw external member 4 to move, and the gear shifting motor 3 drives the gear shift to roll
Ballscrew external member 5 is moved.The gear selecting ball screw external member 4 selects gear shift shifting block 6 to be connected and drives its edge to select selector shaft 7 with described
Axial linear movement, the gear shift ball screw external member 5 selects gear shift shifting block 6 to be connected and drives it to select selector shaft 7 with described
It is axis swing.The gear selecting sensor 8 senses the linear motion for selecting gear shift shifting block 6, and the gear shift sensor 9 senses institute
State the swing for selecting gear shift shifting block 6.
Specifically, the gear selecting ball screw external member 4 includes gear selecting screw mandrel 41 and selects ball nut 42, the gear shift ball
Screw mandrel external member 5 includes gear shift screw mandrel 51 and gear shift ball nut 52.One end of the gear selecting screw mandrel 41 and the step electric machine 2
Axle is connected, and the other end is arranged on the housing 1.The gear selecting ball nut 42 be set on the gear selecting screw mandrel 41 and with institute
State and select the axial restraint of gear shift shifting block 6.One end of the gear shift screw mandrel 51 is connected with the axle of the gear shifting motor 3, and the other end is installed
On the housing 1, the gear shift ball nut 52 is set on the gear shift screw mandrel 51 and selects the activity of gear shift shifting block 6 with described
Connection, the linear motion of the gear shift ball nut 52 drives that described to select gear shift shifting block 6 to select selector shaft 7 be axis swing；Institute
State and select selector shaft 7 to be erected at the inwall of the housing 1, and it is parallel with the gear selecting screw mandrel 41, its one end passes the housing 1 and institute
Gear shift sensor 9 is stated to connect, it is described select selector shaft 7 rotate when stir the gear shift sensor 9, it is in the present embodiment, described to change
Shelves sensor 9 is angular transducer.
This gear-selecting-shifting mechanism also includes gear selecting sensor driving lever 10, and the gear selecting sensor driving lever 10 is arranged on the housing
In 1, its one end selects gear shift shifting block 6 to be connected with described, and the other end is connected with the gear selecting sensor 8, the gear shift shifting block 6 that selects
Axial linear movement drives the gear selecting sensor dead man 10 rotary motion and stirs the gear selecting sensor 8, in the present embodiment,
The gear shift sensor 8 is angular transducer.
This gear-selecting-shifting mechanism also include conversion block 11, the conversion block 11 be set in it is described select on selector shaft 7, its one end with
The gear shift ball nut 52 is flexibly connected, and the gear shift ball nut 52 drives the conversion block 11 to revolve when for linear motion
Transhipment is dynamic, and the conversion block 11 drives and described selects selector shaft 7 to rotate described to select gear shift shifting block 6 to swing so as to driving.
The top of the housing 1 is further opened with passage (not shown), and it is (not shown that the passage is provided with breather plug
Go out), transmission internal air pressure can be made to control in tolerance interval.
The step electric machine 2 and gear shifting motor 3 are provided with mutually different connection jaws, can be for color is different or shape
Different connection jaws, wrong plug interface when can prevent from connecting.
This gear-selecting-shifting mechanism operation principle：When the present embodiment is applied to automatic gear-box, the step electric machine 2 by TCU, i.e.,
Automatic gear-box control unit, powers and controls, and drives the gear selecting leading screw 41 to rotate so as to drive the gear selecting ball nut
42 is for linear motion, the gear selecting ball nut 42 drive it is described select gear shift shifting block 6 move along a straight line carry out gear selecting, it is described to select gear shift
Shifting block 6 stirs the gear selecting sensor 8 by the gear selecting sensor driving lever 10, and the gear selecting sensor 8 is anti-by angle change
Be fed to TCU confirm gear, gear selecting in place when at once power off, complete gear selecting；TCU controls the gear shifting motor 3 to drive after the completion of gear selecting
The gear shift screw mandrel 51 is moved to rotate, so that drive the gear shift ball nut 52 for linear motion, the gear shift ball nut 52
Driven by the conversion block 11 and described select selector shaft 7 to rotate described to select gear shift shifting block 6 to select the selector shaft 7 to be with described so as to driving
Axis swing realizes gear shift, and described to stir the gear shift sensor 9 while select selector shaft 7 to rotate, the gear shift sensor 9 will
Angle change feed back to TCU confirm gear shift situation, gear shift in place when at once power off, complete gear shift.
Compared to prior art, this gear-selecting-shifting mechanism carries out gear shift using ball-screw external member, and switching speed is fast, efficiency
Height, it is described to select the gear shift shifting block 6 to be completed in 0.08 second from neutral position to target gear positions；Additionally use sensor auxiliary
Help and select gear shift, shift pattern can be selected with high precision real-time monitoring, allow electric control system controls motor to act accordingly, its
Horizontal gear selecting operation precision is can be controlled in +/- 0.3mm, fully meets gearshift demand, due to can be according to angular displacement sensor
Detection carry out accurate start-stop, be pin-pointed to any position, therefore, the shift-selecting and changing actuating mechanism coordinates upper cover of speed changing box system to make
3-8 grades of gear shift, whole gearbox shifting number can be with double if gearbox band odd-side.
The utility model is not limited to above-mentioned implementation method, if do not taken off to various changes of the present utility model or deformation
From spirit and scope of the present utility model, if these are changed and deformation belongs to claim of the present utility model and equivalent technologies
Within the scope of, then the utility model is also intended to comprising these changes and deforms.
Claims (8)
1. a kind of Ball screw type gear shift mechanism, including housing, step electric machine, gear shifting motor, select gear shift shifting block and select gear shift
Axle, it is characterised in that also including gear selecting ball-screw external member, gear shift ball-screw external member, gear selecting sensor and gear shift sensor,
The gear selecting ball-screw external member, gear shift ball-screw external member, gear shift shifting block is selected to be arranged in the housing, the step electric machine
With two symmetrical sides that gear selecting sensor is arranged on the housing, the gear shifting motor and gear shift sensor are arranged on the housing
Two further pairs claim side, it is described select gear shift shifting block be slidably mounted on it is described select on selector shaft, the step electric machine drives gear selecting ball
Screw mandrel external member is moved, and the gear shifting motor drives the gear shift ball screw external member motion, the gear selecting ball screw external member with
It is described to select gear shift shifting block to connect and drive it along selecting the axial linear movement of selector shaft, the gear shift ball screw external member with it is described
Select gear shift shifting block to connect and drive it to select selector shaft as axis swing, the gear selecting sensor sensing is described to select gear shift shifting block
Linear motion, gear shift sensor sensing is described to select the swing of gear shift shifting block.
2. Ball screw type gear shift mechanism according to claim 1, it is characterised in that：The gear selecting ball screw external member
Including gear selecting screw mandrel and selecting ball nut；The gear shift ball screw external member includes gear shift screw mandrel and gear shift ball nut, described
One end of gear selecting screw mandrel is connected with the axle of the step electric machine, and the other end is installed on the housing, the gear selecting ball nut
It is set on the gear selecting screw mandrel and selects gear shift shifting block axial restraint with described；One end of the gear shift screw mandrel and gear shift electricity
Machine axle connection, the other end install on the housing, the gear shift ball nut be set on the gear shift screw mandrel and with institute
State and select gear shift shifting block to be flexibly connected, the gear shift ball nut drive is described to select gear shift shifting block to select selector shaft as axis swing.
3. Ball screw type gear shift mechanism according to claim 2, it is characterised in that：It is described to select selector shaft to be erected at institute
Inner walls and parallel with the gear selecting screw mandrel are stated, its one end passes the housing and is connected with the gear shift sensor.
4. Ball screw type gear shift mechanism according to claim 3, it is characterised in that：Also dialled including gear selecting sensor
Bar, the gear selecting sensor driving lever is arranged in the housing, and its one end selects gear shift shifting block to be connected with described, the other end with it is described
Gear selecting sensor is connected, described to select gear shift shifting block to drive the gear selecting sensor dead man to rotate.
5. Ball screw type gear shift mechanism according to claim 4, it is characterised in that：The gear selecting sensor and gear shift
Sensor is angular transducer.
6. Ball screw type gear shift mechanism according to claim 5, it is characterised in that：Also include conversion block, described turn
Change block be set in it is described select on selector shaft, its one end is flexibly connected with the gear shift ball nut, the gear shift ball nut band
Move the conversion block to rotate, the conversion block drive is described to select selector shaft to rotate.
7. the Ball screw type gear shift mechanism according to claim 1 to 6 any one, it is characterised in that：The housing
Top is further opened with passage, and the passage is provided with breather plug.
8. Ball screw type gear shift mechanism according to claim 7, it is characterised in that：The step electric machine and gear shift electricity
Machine is provided with mutually different connection jaws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308415.6U CN206290686U (en) | 2016-12-01 | 2016-12-01 | A kind of Ball screw type gear shift mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308415.6U CN206290686U (en) | 2016-12-01 | 2016-12-01 | A kind of Ball screw type gear shift mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206290686U true CN206290686U (en) | 2017-06-30 |
Family
ID=59096531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621308415.6U Expired - Fee Related CN206290686U (en) | 2016-12-01 | 2016-12-01 | A kind of Ball screw type gear shift mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206290686U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269830A (en) * | 2017-07-03 | 2017-10-20 | 中通客车控股股份有限公司 | Automatic mechanical transmission shift-selecting and changing actuating mechanism |
| CN107514457A (en) * | 2017-09-28 | 2017-12-26 | 山东绿图动力科技股份有限公司 | A kind of ball screw type gearshift used for electric vehicle |
| CN107524793A (en) * | 2017-10-13 | 2017-12-29 | 南京越博动力系统股份有限公司 | A kind of self-changing gearbox gear-shifting mechanism based on hydraulic control |
| CN110131409A (en) * | 2019-05-29 | 2019-08-16 | 杭州神驹科技有限公司 | A kind of mechanical self-changing gearbox gear-shifting actuating mechanism |
| CN113803451A (en) * | 2021-09-28 | 2021-12-17 | 苏州赫行新能源汽车科技有限公司 | A clearance adjustment mechanism and derailleur for gearbox selects shelves part |
| WO2022033067A1 (en) * | 2020-08-10 | 2022-02-17 | 丰疆智能软件科技(南京)有限公司 | Gear shifting operation device and gear shifting method |
-
2016
- 2016-12-01 CN CN201621308415.6U patent/CN206290686U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269830A (en) * | 2017-07-03 | 2017-10-20 | 中通客车控股股份有限公司 | Automatic mechanical transmission shift-selecting and changing actuating mechanism |
| CN107514457A (en) * | 2017-09-28 | 2017-12-26 | 山东绿图动力科技股份有限公司 | A kind of ball screw type gearshift used for electric vehicle |
| CN107524793A (en) * | 2017-10-13 | 2017-12-29 | 南京越博动力系统股份有限公司 | A kind of self-changing gearbox gear-shifting mechanism based on hydraulic control |
| CN110131409A (en) * | 2019-05-29 | 2019-08-16 | 杭州神驹科技有限公司 | A kind of mechanical self-changing gearbox gear-shifting actuating mechanism |
| WO2022033067A1 (en) * | 2020-08-10 | 2022-02-17 | 丰疆智能软件科技(南京)有限公司 | Gear shifting operation device and gear shifting method |
| CN113803451A (en) * | 2021-09-28 | 2021-12-17 | 苏州赫行新能源汽车科技有限公司 | A clearance adjustment mechanism and derailleur for gearbox selects shelves part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20191201 |