CN207005275U - Automatic mechanical transmission shift-selecting and changing actuating mechanism - Google Patents
Automatic mechanical transmission shift-selecting and changing actuating mechanism Download PDFInfo
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- CN207005275U CN207005275U CN201720790255.1U CN201720790255U CN207005275U CN 207005275 U CN207005275 U CN 207005275U CN 201720790255 U CN201720790255 U CN 201720790255U CN 207005275 U CN207005275 U CN 207005275U
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- block selecting
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Abstract
The utility model discloses a kind of automatic mechanical transmission shift-selecting and changing actuating mechanism, including housing, block selecting module and shift module, a main shaft is installed in housing, being provided with shifting on main shaft refers to；Block selecting module includes block selecting motor, reducing gear, cam, block selecting axle and the auxiliary axle of block selecting, the reducing gear connection inside the output shaft and cam of block selecting motor；Block selecting axle is arranged on the auxiliary axle of block selecting；One end of block selecting axle is connected with ball, and ball is placed in the groove on cam, and the other end of block selecting axle refers to shifting to be connected；Shift module includes shift motor, ball-screw, nut and shift block, and one end of ball screw and the output axis connection of shift motor, the other end are connected with nut, and nut coordinates with gearshift block gap.The utility model realizes accurate quick block selecting by particular groove structure on shifting axle and cam, is realized by the combination of ball-screw, nut and shift block and fast and effectively shifted gears, improves shifting quality.
Description
Technical field
Technical field of automobile transmission is the utility model is related to, more particularly to a kind of automatic mechanical transmission shifting performs
Mechanism.
Background technology
Energy shortage, environmental pollution, climate warming turn into whole world facing and focal issue urgently to be resolved hurrily,
It is auto industry and huge challenge that energy industry faces；Automobile as the rich and influential family of consumption of petroleum and CO2 emission, it is necessary to
Revolutionary change is carried out, greatly develops new-energy automobile, realizes transportation and energy transition, is the weight for realizing Sustainable transportation development
Want approach.
As the kernel component of new-energy automobile, mechanical-electric coupling drive system is by permagnetic synchronous motor and automation
The highly integrated power assembly in one of formula gearbox (AMT).Compared to applying the direct-drive type dynamical system on new-energy automobile
System, it fully combines more transmission agencies of the output characteristics of motor and gearbox.Turned by converting gear to expand output
The excursion of square and rotating speed, to adapt to the driving conditions often changed, while make motor under favourable high efficient district operating mode
Work, it has a clear superiority in terms of dynamic property, energy consumption.
Automatic mechanical type gearbox (AMT) is on the basis of traditional manual mechanical gear box, installs electric control manipulation system additional
With control system composition.It, with electronic control technology, passes through on the basis of dry clutch and fixed shaft type mechanical gear box
Transmission electronic control unit (TCU) realizes the coordination control of PWTN associated components.TCU passes through air pressure, hydraulic pressure or electricity
Machine controls the action of executing agency, realizes being automatically brought into operation for vehicle starting and shift process.Execution list of the executing agency as AMT
Member, the quality of its systematic function (structure design, manufacture and assembly technique, reliability) directly affect vehicle starting and gearshift product
Matter, and then automobile reliability, comfortableness, economy are had a certain impact.
There is electric controlled hydraulic actuator in existing executing agency, and the power resources of the electric controlled hydraulic actuator are in hydraulic pressure system
System, complicated, arrangement, installation and maintenance difficult；Charge oil pressure, which fluctuates, hydraulic oil viscosity varies with temperature to be affected,
Accurate quick control effect can not be realized；Hydraulic Elements requirement on machining accuracy is very high so that whole agency cost increase.Automatically controlled gas
Dynamic formula executing agency using air as power source, it is necessary to which gas path pipe passing power, complicated, and gas is easily revealed, close
Envelope property is poor, work noise is big, while air compressibility is big, influences response speed, and shift time is unstable, and shift quality is low.
In summary, how to design that a kind of simple in construction, cost is low, control accuracy is high, ambient adaptability is strong choosing is changed
It is still technical problem to be solved to keep off executing agency.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of automatic mechanical transmission shifting
Executing agency, the shift-selecting and changing actuating mechanism is simple in construction, cost is low, control accuracy is high, ambient adaptability is strong.
Technical scheme is used by the utility model：
A kind of automatic mechanical transmission shift-selecting and changing actuating mechanism, including housing, block selecting module and shift module, the shell
Body is in inverted L shape structure, and the enclosure interior is provided with a main shaft laterally set, and being provided with shifting on the main shaft refers to；Institute
Stating block selecting module includes block selecting motor, reducing gear, cam, block selecting axle and the auxiliary axle of block selecting, and the block selecting motor is horizontally installed on
On the lateral wall of housing, the cam, block selecting axle and the auxiliary axle of block selecting are horizontally installed on enclosure interior respectively, and the reducing gear is set
Put inside cam, the output shaft of the block selecting motor is connected by spline with the reducing gear inside cam, on the cam
Provided with groove；One end of the auxiliary axle of block selecting is fixedly connected with the madial wall of housing, the other end and the bearing being arranged in housing
It is fixedly connected, the block selecting axle is arranged on the auxiliary axle of block selecting；One end of the block selecting axle is connected with ball, and the ball is placed on
In groove on cam, the other end of the block selecting axle refers to shifting to be connected；The shift module includes shift motor, ball
Leading screw, nut and shift block, the shift motor are disposed longitudinally on the lateral wall of housing, the ball-screw, nut and are changed
Block is disposed longitudinally on enclosure interior, and the shift block is sleeved on main shaft, and one end of the ball screw is by spline with changing
Keep off the output axis connection of motor, the other end is connected with nut, and the nut is provided with cylindrical projection, the shift block provided with
The semicircle orifice that cylindrical projection is engaged, the shift block and nut are in mating connection with cylindrical projection by semicircle orifice.
Further, the groove is curvilinear structures, for realizing that angular displacement of the cam and shifting refer to axial location
Corresponding relation, block selecting can be quick and precisely carried out, the failure such as block caused by avoiding block selecting not in place.
Further, the block selecting module also includes block selecting position sensor, and the block selecting position sensor is arranged on shell
In external side wall, the output axis connection of the block selecting position sensor and cam tail end.Block selecting position sensor is convex by detecting
The positional information that wheel rotational angle Real-time Feedback shifting refers to.
Further, the shift module also includes gearshift position sensor, and the gearshift position sensor is arranged on shell
On the lateral wall of body, one end connection of the gearshift position sensor and main shaft.Gearshift position sensor is by detecting main shaft
The rotation position that anglec of rotation Real-time Feedback shifting refers to.
Further, the reducing gear is planet row reducing gear.
Further, the shifting refers to is connected with the gear shifting block on gearbox.
Further, on the block selecting axle sleeve dress auxiliary axle of block selecting, the outer wall phase of the inwall and the auxiliary axle of block selecting of the block selecting axle
Gap coordinates, and can be moved axially on the auxiliary axle of block selecting.
Further, for the shifting fingerstall on main shaft, the inwall that the shifting refers to is alternate with the outer wall of main shaft
Gap coordinates, and can be moved axially on main shaft.
Compared with prior art, the beneficial effects of the utility model are：
(1) accurate quick block selecting is realized by particular groove structure on shifting axle and cam, passes through ball-screw, spiral shell
The combination of female and shift block, which is realized, fast and effectively shifts gears, and improves shifting quality；Using X-Y forms arrangement block selecting module and change
Module is kept off, axial movement and rotation that shifting refers to can be realized, completes shifting action；Can subtract gear shift mechanism volume simultaneously
It is small, it is easy to arrange, power interruption time in vehicle travel process, the number of stoppages of automatic gear-box can be greatly reduced, improves
Automobile reliability, comfortableness, economy；
(2) in block selecting module, realize that angular displacement of the cam and shifting refer to axial location using cam groove structure
Corresponding relation, can quick and precisely carry out block selecting, the failure such as block caused by avoiding block selecting not in place；
(3) in block selecting module, block selecting axle uses ball contact with the groove on cam, reduces groove structure abrasion, protects
Accurate displacement can be carried out according to cam groove structure by demonstrate,proving block selecting axle；
(4) in shift module, realize that nut displacement and shifting refer to rotational angle pair by designing gearshift block structure
It should be related to.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Wherein, 1, gearshift position sensor, 2, main shaft, 3, shift block, 4, nut, 5, ball-screw, 6, shifting refer to, 7,
Block selecting axle, 8, the auxiliary axle of block selecting, 9, ball, 10, cam, 11, block selecting motor, 12, housing, 13, block selecting position sensor, 14, change
Keep off motor,.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, it is unstable shift time to be in the prior art present, the low deficiency of shift quality, in order to
Solves technical problem as above, present applicant proposes a kind of automatic mechanical transmission shift-selecting and changing actuating mechanism.
In a kind of typical embodiment of the application, as shown in Figure 1, there is provided a kind of automatic mechanical transmission shifting
Executing agency, the shift-selecting and changing actuating mechanism include housing 12, block selecting module and shift module, and housing 12 is in inverted L shape structure, housing
One main shaft 2 laterally set is installed inside 12, shifting is provided with main shaft and refers to 6, shifting refers to 6 and is sleeved on main shaft 2, choosing
Gearshift refers to 6 inwall and coordinated with the outer wall phase gap of main shaft 2, can be moved axially on main shaft 2；Shifting refers on 6 and gearbox
Gear shifting block connection, can substantially reduce block selecting power；Block selecting module and shift module use to be arranged with X-Y forms, and structure is small
Ingeniously, it can realize that shifting refers to 6 axial movement and rotation, complete shifting action.
Block selecting module includes block selecting motor 11, planet row reducing gear, cam 10, block selecting axle 7, the auxiliary axle 8 of block selecting and block selecting
Position sensor 13, block selecting motor 11 are horizontally installed on the lateral wall of housing 12, cam 10, block selecting axle 7 and the auxiliary axle 8 of block selecting
It is horizontally installed on respectively inside housing 12, planet row reducing gear is arranged on inside cam 10, and the output shaft of block selecting motor 11 leads to
Cross spline to be connected with the planet row reducing gear inside cam 10, cam 10 is provided with the groove of curvilinear structures, to realize cam
Rotational angle refers to the corresponding relation of axial location with shifting, block selecting can be quick and precisely carried out, caused by avoiding block selecting not in place
The failures such as block；One end of the auxiliary axle 8 of block selecting is fixedly connected with the madial wall of housing 12, the other end and the bearing being arranged in housing
It is fixedly connected, block selecting axle 7 is set with the auxiliary axle 8 of block selecting, the cooperation of the outer wall phase gap of the inwall axle 8 auxiliary with block selecting of block selecting axle 7, can be
Moved axially on the auxiliary axle 8 of block selecting；One end of block selecting axle 7 is connected with ball 9, and ball 9 is placed in the groove on cam 10, block selecting
The other end of axle 7 refers to 6 with shifting and is connected, and block selecting axle 7 is contacted with the groove on cam 10 using ball 9 in block selecting module, is subtracted
Few groove structure abrasion, ensure that block selecting axle 7 can carry out accurate displacement according to the groove structure on cam；Block selecting motor 11 is logical
Cross the planet row reducing gear band moving cam 10 being distributed in inside cam 10 to rotate, by the recessed of the curvilinear structures outside cam 10
Groove moves axially block selecting axle 7, drives shifting to refer to 6 and moves up carry out block selecting in the axle of main shaft 2；Block selecting position sensor 13 is set
Put on the lateral wall of housing 12, the output axis connection of block selecting position sensor 13 and the tail end of cam 10, block selecting position sensor 13
The positional information for referring to 6 by detecting the rotational angle Real-time Feedback shifting of cam 10.
Shift module includes shift motor 14, ball-screw 5, nut 4, shift block 3 and gearshift position sensor 1, gearshift
Motor is disposed longitudinally on the lateral wall of housing 12, and ball-screw 5, nut 4 and shift block 3 are disposed longitudinally on inside housing 12,
Shift block 3 is sleeved on main shaft 2, and main shaft 2 can be driven to rotate；One end of ball screw 5 is defeated by spline and shift motor 14
Go out axis connection, the other end is connected with nut 4, and nut 4 is provided with cylindrical projection, and shift block 3 is provided with and is engaged with cylindrical projection
Semicircle orifice, shift block 3 and nut 4 are in mating connection with cylindrical projection by semicircle orifice；Gearshift position sensor 1 is arranged on shell
On the lateral wall of body, gearshift position sensor 1 is connected with one end of main shaft 2.Shift motor 14 realizes spiral shell by ball-screw 5
Mother 4 moves, and nut 4 rotates main shaft 2 by shift block 3, and main shaft 2 drives shifting to refer to 6 carry out gear shifting actions, in shift module
Realize that nut displacement and shifting refer to rotational angle corresponding relation by designing gearshift block structure, gearshift position sensor passes through
The rotation position that the anglec of rotation Real-time Feedback shifting of detection main shaft refers to.
In the present embodiment, the specific works mode of the shift-selecting and changing actuating mechanism is：
During block selecting, block selecting motor 11 is rotated by planetary gear speed reducing mechanism band moving cam 11, by the curve knot on cam 10
Structure groove drives shifting to refer to 6 and moved axially on main shaft 2 and completes block selecting by block selecting axle 7, block selecting position sensor 13
The positional information for referring to 6 by detecting the rotational angle Real-time Feedback shifting of cam 10；When block selecting is completed, shift motor 14 passes through
Ball-screw 5 drives nut 4 to be moved axially along ball-screw 5, and nut 4 drives main shaft 2 to rotate by shift block 3, the band of main shaft 2
Dynamic shifting refers to 6 rotations, and the gear stirred on gearbox is set ahead, completes gearshift, gearshift position sensor 1 is by detecting main shaft 2
Anglec of rotation Real-time Feedback shifting refer to 6 rotation position.
Shifting in the utility model refers to directly to be contacted with gear shifting block, can substantially reduce block selecting power；Shifting mould
Block is arranged using X-Y forms, compact structure, can realize axial movement and rotation that shifting refers to, is completed shifting and is moved
Make；Realize that angular displacement of the cam and shifting refer to the corresponding pass of axial location by designing cam groove structure in block selecting module
System, can quick and precisely carry out block selecting, the failure such as block caused by avoiding block selecting not in place；Block selecting axle and cam are recessed in block selecting module
Groove uses ball contact, reduces groove structure abrasion, ensures that block selecting axle can carry out accurate displacement according to cam groove structure；Change
Realize that nut displacement and shifting refer to rotational angle corresponding relation by designing gearshift block structure in gear module.
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (8)
1. a kind of automatic mechanical transmission shift-selecting and changing actuating mechanism, it is characterized in that, including housing, block selecting module and gearshift mould
Block, the housing are in inverted L shape structure, and the enclosure interior is provided with a main shaft laterally set, choosing is provided with the main shaft
Gearshift refers to；The block selecting module includes block selecting motor, reducing gear, cam, block selecting axle and the auxiliary axle of block selecting, and the block selecting motor is horizontal
To being arranged on the lateral wall of housing, the cam, block selecting axle and the auxiliary axle of block selecting are horizontally installed on enclosure interior respectively, described to subtract
Fast mechanism is arranged on inside cam, and the output shaft of the block selecting motor is connected by spline with the reducing gear inside cam, institute
State cam and be provided with groove；One end of the auxiliary axle of block selecting is fixedly connected with the madial wall of housing, and the other end is with being arranged on housing
Interior bearing is fixedly connected, and the block selecting axle is arranged on the auxiliary axle of block selecting；One end of the block selecting axle is connected with ball, the rolling
Pearl is placed in the groove on cam, and the other end of the block selecting axle refers to shifting to be connected；The shift module includes gearshift
Motor, ball-screw, nut and shift block, the shift motor are disposed longitudinally on the lateral wall of housing, the ball-screw,
Nut and shift block are disposed longitudinally on enclosure interior, and the shift block is sleeved on main shaft, and one end of the ball screw passes through
The output axis connection of spline and shift motor, the other end are connected with nut, and the nut is provided with cylindrical projection, the shift block
The semicircle orifice being engaged with cylindrical projection is provided with, the shift block and nut are engaged company with cylindrical projection by semicircle orifice
Connect.
2. a kind of automatic mechanical transmission shift-selecting and changing actuating mechanism according to claim 1, it is characterized in that, the groove
For curvilinear structures.
3. a kind of automatic mechanical transmission shift-selecting and changing actuating mechanism according to claim 1, it is characterized in that, the block selecting
Module also includes block selecting position sensor, and the block selecting position sensor is arranged on hull outside wall, and the block selecting position passes
The output axis connection of sensor and cam tail end.
4. a kind of automatic mechanical transmission shift-selecting and changing actuating mechanism according to claim 1, it is characterized in that, the gearshift
Module also includes gearshift position sensor, and the gearshift position sensor is arranged on the lateral wall of housing, the drive range
One end of sensor and main shaft connects.
5. a kind of automatic mechanical transmission shift-selecting and changing actuating mechanism according to claim 1, it is characterized in that, the deceleration
Mechanism is planet row reducing gear.
6. a kind of automatic mechanical transmission shift-selecting and changing actuating mechanism according to claim 1, it is characterized in that, the choosing is changed
Gear refers to be connected with the gear shifting block on gearbox.
7. a kind of automatic mechanical transmission shift-selecting and changing actuating mechanism according to claim 1, it is characterized in that, the block selecting
On the axle sleeve dress auxiliary axle of block selecting, the outer wall phase gap cooperation of the inwall of the block selecting axle and the auxiliary axle of block selecting, can on the auxiliary axle of block selecting axle
To movement.
8. a kind of automatic mechanical transmission shift-selecting and changing actuating mechanism according to claim 1, it is characterized in that, the choosing is changed
Fingerstall is kept off on main shaft, the outer wall phase gap of the inwall that the shifting refers to and main shaft coordinates, and can be moved axially on main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720790255.1U CN207005275U (en) | 2017-07-03 | 2017-07-03 | Automatic mechanical transmission shift-selecting and changing actuating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720790255.1U CN207005275U (en) | 2017-07-03 | 2017-07-03 | Automatic mechanical transmission shift-selecting and changing actuating mechanism |
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| Publication Number | Publication Date |
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| CN207005275U true CN207005275U (en) | 2018-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720790255.1U Active CN207005275U (en) | 2017-07-03 | 2017-07-03 | Automatic mechanical transmission shift-selecting and changing actuating mechanism |
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Cited By (1)
| 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 |
-
2017
- 2017-07-03 CN CN201720790255.1U patent/CN207005275U/en active Active
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 252000 No.261 Huanghe Road, economic development zone, Liaocheng City, Shandong Province Patentee after: Zhongtong bus Limited by Share Ltd. Address before: 252000 No.261 Huanghe Road, economic development zone, Liaocheng City, Shandong Province Patentee before: ZHONGTONG BUS HOLDING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |