CN102313001A - Mechanical automatic gear box with gear selecting and shifting mechanism with electromagnetic control - Google Patents
Mechanical automatic gear box with gear selecting and shifting mechanism with electromagnetic control Download PDFInfo
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- CN102313001A CN102313001A CN201110252543A CN201110252543A CN102313001A CN 102313001 A CN102313001 A CN 102313001A CN 201110252543 A CN201110252543 A CN 201110252543A CN 201110252543 A CN201110252543 A CN 201110252543A CN 102313001 A CN102313001 A CN 102313001A
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- guide rail
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Abstract
The invention discloses a mechanical automatic gear box with a gear selecting and shifting mechanism with electromagnetic control, which consists of a mechanical automatic gear box and a gear selecting and shifting mechanism with electromagnetic control, wherein the gear selecting and shifting mechanism with electromagnetic control consists of a sliding shifting block assembly with an inner guide rail and a coil (120), a guide rail shaft (130), a shifting block (140) for shifting a shifting fork of the gear box, a spring (150) and a limiting body (160); and the middle sliding shifting block assembly (110) with the inner guide rail and the coil is positioned at a middle position of the guide rail shaft and can overcome spring force to slide on the guide rail shaft. If the device is used for changing the position of the shifting fork in the gear box, a general hydraulic, pneumatic and electric gear shifting device can be substituted. After the mechanical automatic gear box with the gear selecting and shifting mechanism with electromagnetic control is adopted, the gear selecting and shifting mechanism is simplified, the control reaction velocity is increased, and the reliability of the device is improved. The mechanical automatic gear box is suitable for mechanical automatic gear box control of a motor vehicle.
Description
Technical field
The present invention relates to the mechanical automatic gearbox of the gear shift mechanism of charged magnetic control system, belong to motor vehicle gearbox control technique field.
Background technique
Because advantages such as the low energy consumption of mechanical automatic gearbox (AMT), low emission, low cost, convenient driving, it has received the acceptance of more and more users and has liked.AMT replaces the driver to determine automatically the gearshift time and automatically perform gearshift.All there are two mechanisms of block selecting and gearshift in common AMT system.These two mechanisms form powered actuation mechanism by motor, hydraulic pressure or Pneumatic actuator etc. usually.These mechanisms are more complicated and costliness all.Realize that by motor also there be long problem, motor wear problem of time of implementation in the mechanism of gearshift.Also there is problem such as gas leakage, leakage of oil by the mechanism of hydraulic pressure, pneumatic realization gearshift and makes the AMT system unreliable.Publication number CN201187574 discloses a kind of mechanical automatic gearbox gearshift actuator; This mechanism is by drive unit, reducing gear, movement conversion mechanism; Intermittent motion mechanism; Positioning means is formed: the shift motor output gear of the shift motor drive speed reducer structure in the drive unit also passes to the tooth fan, arrives the gearshift swing arm through locating stud, positioning block, choosing gearshift axle, and the swing arm of shifting gears at last drives the gearshift guide block; Block selecting motor output torque in the drive unit, drive speed reducer structure drive block selecting motor output swing arm swing; As intermediate member, block selecting motor output swing arm drives the motion of gearshift fork, realizes the block selecting action by choosing gearshift axle.But this mode complex structure, reliability is not enough.
Summary of the invention
The objective of the invention is to simplify choosing, gearshift, improve reaction velocity, reduce volume, reduce cost, improve reliability.
Technological scheme of the present invention is, adopts permanent magnet and electromagnet to wait and realize shifting gears as driving motor, hydrovalve, air pressure valve that power source replaces transmission.
The mechanical automatic gearbox of the gear shift mechanism of the charged magnetic control system of the present invention is made up of the gear shift mechanism of mechanical automatic gearbox and Electromagnetic Control; The gear shift mechanism of said Electromagnetic Control is made up of slip shifting block conglomerate, lead rail axis, the shifting block of stirring speed-changing box pulling fork, spring and the limit body of guide rail and coil in the band; On lead rail axis, evenly laid the slip shifting block conglomerate of guide rail and coil in three bands; The slip shifting block conglomerate of interior guide rail of two ends band and coil is fixed on the axle and is leaning on a middle side that limiting stopper is being set; The slip shifting block conglomerate of guide rail and coil is shifting block conglomerate slidably in the middle band; On axial direction, laid spring between it and the both sides limiting stopper; Spring will back down with the slip shifting block conglomerate of interior guide rail and coil, keeps spring to be in initial working state, and the slip shifting block conglomerate of guide rail and coil is in the neutral position of lead rail axis in the middle band.Slip shifting block conglomerate by guide rail and coil in the band comprises interior guide rail; Iron core, coil; Coil is wrapped on the iron core, and guide rail outside in iron core is fixed on makes interior guide rail, iron core, coil constitute a conglomerate; Can on lead rail axis, slide after overcoming spring force, the shifting block of stirring speed-changing box pulling fork is fixed on the slip shifting block conglomerate of guide rail and coil in the middle band.
When three by band in during the coil no current of slip shifting block conglomerate of guide rail and coil; The slip shifting block conglomerate 110 that mediates is in free state; But receive both sides equate spring force spring 150 extruding and be in the central position, this is steady state
.Leading to the magnetic field that produces certain orientation under the galvanic situation when the coil 120 of centre; If the also logical rightabout magnetic field of stream that powers on of the coil on the left side; The shifting block conglomerate 110 that slides so will overcome the spring force in left side and press to the left side and the limit body in arrival left side under the effect of electromagnetic force, this is steady state
.When right side coil 120 logical under the reverse galvanic situation; Slip shifting block conglomerate 110 will overcome the spring force on right side and press to the limit body that opposite side arrives the right side under the effect of electromagnetic force, this is steady state
.Through control, can drive the position that the arrival of slip shifting block conglomerate needs like this to coil current and direction thereof.As being used for, this device select 3 different shift forks in the gearbox just to replace common hydraulic pressure, air pressure, electronic block selecting device.The required strength of block selecting just is used for moving the position of slip shifting block conglomerate, so required driving force is less, so coil also can be done lessly.Guide-track groove is used for preventing the rotation of sliding stop shifting block conglomerate.Shift fork position as this device is used for changing in the gearbox has just replaced common hydraulic pressure, air pressure, electric shifter.Such as under power failure state, shifting block is in the neutral position, i.e. neutral gear position is one side and hung up retaining in any just meaning on both sides respectively.
Among the present invention, lead rail axis can replace with splined shaft, and corresponding interior guide rail can replace with internal spline.
For simplified design, can not install coil on the shifting block conglomerate 110, and replace with permanent magnet.
In order further to simplify the control circuit in mechanical mechanism and the AMT controller 20, also can use permanent magnet and electromagnet, 20 switch and current direction that need to control a coil of AMT controller like this are installed on the shifting block conglomerate 110 at two ends.
The controlling method of the mechanical automatic gearbox of the gear shift mechanism of the charged magnetic control system of the present invention is following,
(1) select the gear shift mechanism of Electromagnetic Control, the slip shifting block conglomerate of guide rail and coil is fixed in the band of two ends, and the slip shifting block conglomerate of interior guide rail of middle band and coil is shifting block conglomerate slidably;
(2) do not have under the situation of electricity at all 3 coils 120; Slidably shifting block conglomerate 110 be in free state but receive both sides equate spring force spring 150 extruding and be in the central position, this is steady state
;
(3) when magnetic field that the coil 120 of centre produces certain orientation under the galvanic situation logical; If the also logical rightabout magnetic field of stream that powers on of the coil on the left side; The shifting block conglomerate 110 that slides so will overcome the spring force in left side and press to the left side and the limit body in arrival left side under the effect of electromagnetic force, this is steady state
;
(4) when right side coil 120 logical under the reverse galvanic situation; Slip shifting block conglomerate 110 will overcome the spring force on right side and press to the limit body that opposite side arrives the right side under the effect of electromagnetic force, this is steady state
;
(4), can drive the position that the arrival of slip shifting block conglomerate needs through control to coil current and direction thereof; (5) be used for selecting 3 different shift forks in the gearbox just to replace common hydraulic pressure, air pressure, electronic block selecting device in said device, realize Electromagnetic Control choosing gearshift.
The beneficial effect of the present invention and existing technology comparison is behind the mechanical automatic gearbox of the gear shift mechanism of the charged magnetic control system of employing the present invention, to have simplified choosing, gearshift; Improved the control reaction velocity; Reduce the volume of gear shift mechanism, reduced cost, improved the reliability of device.
The present invention is applicable to the control of Motor Vehicle mechanical automatic gearbox.
Description of drawings
Fig. 1 is the AMT system block diagram;
10 is AMT gearboxes among the figure, and it is the actuator that on the basis of conventional manual gearbox, has added automatic choosing, gearshift; The 20th, the AMT controller, it according to driver intention, car running state and and the pavement behavior control take all factors into consideration the computer when decision is shifted gears, how to be shifted gears;
Fig. 2 is the cross-sectional schematic with the block selecting electromagnet;
110 is slip shifting block conglomerates of interior guide rail of band and coil among the figure; The 120th, coil; The 130th, lead rail axis; The 140th, really stir the shifting block of speed-changing box pulling fork; The 150th, spring; The 160th, limit body;
Fig. 3 is choosing, gearshift schematic representation.
Embodiment
Be in operation, the AMT controller 20 shown in Fig. 1 according to driver intention, car running state and and the pavement behavior control take all factors into consideration decision and when shift gears, how to shift gears.For a short time stepping on the gas like the driver needs to quicken, but engine speed is very high, and the AMT controller calculates according to optimum oil consumption to be thought and rise a retaining, just instructs and selects a high retaining, and shift gears.Usually block selecting in the manual transmission and gearshift normally can be selected 6 retaining devices as shown in Figure 3 (5 one of forward gears reverse gear) through one in the mechanism of X, the motion of Y both direction.It is middle that what can move at X, Y both direction 310 is shifting blocks.When the neutral position of shifting block in level, 3 shift forks state that mediates is in the engagement of neither one gear, so be neutral.When shifting block 310 moves to Far Left compressing shift fork to the upper left corner 320 or during the lower left corner 330, all mean to hang up and kept off.
In AMT, realize with 2 automatic executing agencies mostly, choose gear by an actuator earlier, promptly move shifting block 310 move left and right, carry out gearshift by another mechanism again, promptly move up and down.Moving usually with motor, pneumatic, hydraulic actuation power of shifting block realizes that the present invention realizes block selecting with a cover electromagnet mechanism, also can add one in addition and overlap electromagnet mechanism and realize shifting gears.
As shown in Figure 2; Do not have under the situation of electricity at all 3 coils 120; Slip shifting block conglomerate 110 be in free state but receive both sides equate spring force spring 150 extruding and be in the central position, this is steady state
.Leading to the magnetic field that produces certain orientation under the galvanic situation when the coil 120 of centre; If the also logical rightabout magnetic field of stream that powers on of the coil on the left side; The shifting block conglomerate 110 that slides so will overcome the spring force in left side and press to the left side and the limit body in arrival left side under the effect of electromagnetic force, this is steady state
.When right side coil 120 logical under the reverse galvanic situation; Slip shifting block conglomerate 110 will overcome the spring force on right side and press to the limit body that opposite side arrives the right side under the effect of electromagnetic force, this is steady state
.Through control, can drive the position that the arrival of slip shifting block conglomerate needs like this to coil current and direction thereof.As being used for, this device select 3 different shift forks in the gearbox just to replace common hydraulic pressure, air pressure, electronic block selecting device.The required strength of block selecting just is used for moving the position of slip shifting block conglomerate, so required driving force is less, so coil also can be done lessly.Guide-track groove is used for preventing the rotation of sliding stop shifting block conglomerate.Shift fork position as this device is used for changing in the gearbox has just replaced common hydraulic pressure, air pressure, electric shifter.Such as under power failure state, shifting block is in the neutral position, i.e. neutral gear position is one side and hung up retaining in any just meaning on both sides respectively.Shorter like stroke, resistance is very little, shifting block shouldn't use electromagnet and just with magnet case can and simplified system.Force rate block selecting power is a lot of greatly owing to put into gear, so the electromagnetic power that needs is also corresponding big.Stroke is longer owing to put into gear, so the size of the design of coil and magnetic gap will be selected appropriately to reach enough electromagnetic forces.When stroke is oversize, should lets electromagnetic mechanism amplify stroke and be unlikely to too big with what guarantee magnetic gap through lever.
In the coil design process, according to electromagnetic force and the adjustment of actual shifting block spring force related parameter is arranged, make shifting block conglomerate and coil design reach Rational structure.
Claims (5)
1. the mechanical automatic gearbox of the gear shift mechanism of a charged magnetic control system; Gear shift mechanism by mechanical automatic gearbox and Electromagnetic Control is formed; It is characterized in that; The gear shift mechanism of said Electromagnetic Control is made up of slip shifting block conglomerate, lead rail axis, the shifting block of stirring speed-changing box pulling fork, spring and the limit body of guide rail and coil in the band; On lead rail axis, evenly laid the slip shifting block conglomerate of guide rail and coil in three bands, the slip shifting block conglomerate of guide rail and coil is fixed on the axle in the band of two ends, and by a middle side limiting stopper is being set respectively; The slip shifting block conglomerate of guide rail and coil is shifting block conglomerate slidably in the middle band, on axial direction, has laid spring between it and the both sides limiting stopper; Slip shifting block conglomerate by guide rail and coil in the band comprises interior guide rail, and iron core, coil, coil are wrapped on the iron core, in iron core is fixed on the guide rail, makes or interior guide rail, iron core, conglomerate of coil formation; The slip shifting block conglomerate of guide rail and coil is in the neutral position of lead rail axis in the middle band, can on lead rail axis, slide overcoming spring force.
2. the mechanical automatic gearbox of the gear shift mechanism of a kind of charged magnetic control system according to claim 1 is characterized in that, said lead rail axis also can replace with splined shaft, and corresponding interior guide rail also can replace with internal spline.
3. the mechanical automatic gearbox of the gear shift mechanism of a kind of charged magnetic control system according to claim 1 is characterized in that, said iron core and coil can replace with permanent magnet.
4. the mechanical automatic gearbox of the gear shift mechanism of a kind of charged magnetic control system according to claim 1; It is characterized in that; The gear shift mechanism of said Electromagnetic Control can take two ends to use permanent magnet; And on the middle shifting block conglomerate electromagnet is installed, so only need the switch and the current direction of a coil of control.
5. the controlling method of the mechanical automatic gearbox of the gear shift mechanism of a charged magnetic control system is characterized in that, said controlling method is following:
(1) select the gear shift mechanism of Electromagnetic Control, the slip shifting block conglomerate of guide rail and coil is fixed in the band of two ends, and the slip shifting block conglomerate of interior guide rail of middle band and coil is shifting block conglomerate slidably;
(2) do not have under the situation of electricity at all 3 coils (120); Slidably shifting block conglomerate (110) be in free state but receive both sides equate spring force spring (150) extruding and be in the central position, control mechanism is in steady state
;
(3) when magnetic field that the coil (120) of centre produces certain orientation under the galvanic situation logical; If the also logical rightabout magnetic field of stream that powers on of the coil on the left side; The shifting block conglomerate (110) that slides so will overcome the spring force in left side and press to the left side and the limit body in arrival left side under the effect of electromagnetic force, control mechanism is in steady state
;
(4) when right side coil (120) logical under the reverse galvanic situation; Slip shifting block conglomerate (110) will overcome the spring force on right side and press to the limit body that opposite side arrives the right side under the effect of electromagnetic force, control mechanism is in steady state
;
(4), can drive the position that the arrival of slip shifting block conglomerate needs through control to coil current and direction thereof; (5) be used for selecting 3 different shift forks in the gearbox just to replace common hydraulic pressure, air pressure, electronic block selecting device in said device, can realize Electromagnetic Control choosing gearshift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110252543A CN102313001A (en) | 2011-08-30 | 2011-08-30 | Mechanical automatic gear box with gear selecting and shifting mechanism with electromagnetic control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110252543A CN102313001A (en) | 2011-08-30 | 2011-08-30 | Mechanical automatic gear box with gear selecting and shifting mechanism with electromagnetic control |
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| Publication Number | Publication Date |
|---|---|
| CN102313001A true CN102313001A (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110252543A Pending CN102313001A (en) | 2011-08-30 | 2011-08-30 | Mechanical automatic gear box with gear selecting and shifting mechanism with electromagnetic control |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588571A (en) * | 2012-02-23 | 2012-07-18 | 中国重汽集团大同齿轮有限公司 | Electrically-controlled magnetic gear-selection actuator for heavy-duty automobile AMT (automated mechanical transmission) speed changer |
| CN102758914A (en) * | 2012-07-27 | 2012-10-31 | 孙世广 | Electric gear-shifting speed changing box with no gear-shifting rod |
| CN104847887B (en) * | 2014-05-15 | 2017-03-15 | 北汽福田汽车股份有限公司 | Gearbox shifting mechanism, change speed gear box and vehicle |
| CN107504173A (en) * | 2017-08-17 | 2017-12-22 | 江苏大学 | A kind of electromagnetism boosting-type gearshift |
| CN110741185A (en) * | 2017-06-12 | 2020-01-31 | 麦格纳动力系有限两合公司 | Method and actuator device for determining a switching position of an electromagnetically operated switching element having a plurality of switching positions |
| CN110886840A (en) * | 2018-09-11 | 2020-03-17 | 上海汽车变速器有限公司 | Automatic gear shifting mechanism of transmission |
| CN111577885A (en) * | 2019-01-31 | 2020-08-25 | 湖南中成动力科技有限公司 | Automatic gear shifting device of combined electromagnet |
| CN111807187A (en) * | 2020-06-24 | 2020-10-23 | 深圳供电局有限公司 | Elevator braking device and elevator system |
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| JP2003166644A (en) * | 2001-11-28 | 2003-06-13 | Isuzu Motors Ltd | Speed change operation device |
| CN2868843Y (en) * | 2006-01-05 | 2007-02-14 | 凡红杰 | Ship gear-box shift electric operator |
| US20100300232A1 (en) * | 2009-05-28 | 2010-12-02 | Zf Friedrichshafen Ag | Shift actuator for motor-bikes |
| CN102135161A (en) * | 2011-03-22 | 2011-07-27 | 昆明理工大学 | Gear transmission for power output shaft for electromagnetic keylock |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003166644A (en) * | 2001-11-28 | 2003-06-13 | Isuzu Motors Ltd | Speed change operation device |
| CN2868843Y (en) * | 2006-01-05 | 2007-02-14 | 凡红杰 | Ship gear-box shift electric operator |
| US20100300232A1 (en) * | 2009-05-28 | 2010-12-02 | Zf Friedrichshafen Ag | Shift actuator for motor-bikes |
| CN102135161A (en) * | 2011-03-22 | 2011-07-27 | 昆明理工大学 | Gear transmission for power output shaft for electromagnetic keylock |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588571A (en) * | 2012-02-23 | 2012-07-18 | 中国重汽集团大同齿轮有限公司 | Electrically-controlled magnetic gear-selection actuator for heavy-duty automobile AMT (automated mechanical transmission) speed changer |
| CN102588571B (en) * | 2012-02-23 | 2015-05-13 | 中国重汽集团大同齿轮有限公司 | Electrically-controlled magnetic gear-selection actuator for heavy-duty automobile AMT (automated mechanical transmission) speed changer |
| CN102758914A (en) * | 2012-07-27 | 2012-10-31 | 孙世广 | Electric gear-shifting speed changing box with no gear-shifting rod |
| CN104847887B (en) * | 2014-05-15 | 2017-03-15 | 北汽福田汽车股份有限公司 | Gearbox shifting mechanism, change speed gear box and vehicle |
| CN110741185A (en) * | 2017-06-12 | 2020-01-31 | 麦格纳动力系有限两合公司 | Method and actuator device for determining a switching position of an electromagnetically operated switching element having a plurality of switching positions |
| CN110741185B (en) * | 2017-06-12 | 2021-01-12 | 麦格纳动力系有限两合公司 | Actuator device and method for determining the position of a switching element using an actuator device |
| CN107504173A (en) * | 2017-08-17 | 2017-12-22 | 江苏大学 | A kind of electromagnetism boosting-type gearshift |
| CN110886840A (en) * | 2018-09-11 | 2020-03-17 | 上海汽车变速器有限公司 | Automatic gear shifting mechanism of transmission |
| CN110886840B (en) * | 2018-09-11 | 2021-11-12 | 上海汽车变速器有限公司 | Automatic gear shifting mechanism of transmission |
| CN111577885A (en) * | 2019-01-31 | 2020-08-25 | 湖南中成动力科技有限公司 | Automatic gear shifting device of combined electromagnet |
| CN111807187A (en) * | 2020-06-24 | 2020-10-23 | 深圳供电局有限公司 | Elevator braking device and elevator system |
| CN111807187B (en) * | 2020-06-24 | 2022-03-22 | 深圳供电局有限公司 | Elevator braking device and elevator system |
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Application publication date: 20120111 |