CN102966733B - A kind of AMT speed variator gear shift mechanism interlock system - Google Patents
A kind of AMT speed variator gear shift mechanism interlock system Download PDFInfo
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- CN102966733B CN102966733B CN201210436050.5A CN201210436050A CN102966733B CN 102966733 B CN102966733 B CN 102966733B CN 201210436050 A CN201210436050 A CN 201210436050A CN 102966733 B CN102966733 B CN 102966733B
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Abstract
A kind of AMT speed variator gear shift mechanism interlock system, comprises block selecting drive motor I, block selecting leading screw, gearshift fork, gearshift fork axle, gearshift drive motor II, block selecting ball assembly, gearshift dogbolt, gear-shifting rocker arm, gearshift leading screw, gearshift ball assembly etc.Gearshift fork is connected with gearshift fork axle, gear-shifting rocker arm is connected with gearshift fork axle, gearshift dogbolt and " king's word " slot fit on gearshift fork, when block selecting drive motor I and gearshift drive motor II work, corresponding block selecting leading screw and gearshift leading screw is driven to rotate, block selecting ball assembly and gearshift ball assembly are along block selecting leading screw and gearshift lead screw straight-line, block selecting ball assembly drives the motion of gearshift oscillating rod linear to realize bit selecting, gearshift ball assembly drives gear-shifting rocker arm rotary motion to realize gearshift, gearshift dogbolt and " king's word " slot fit of shifting gears on fork realize the interlocking between gear.This system architecture is simply compact, reliability is high, can improve gearshift reliability, hangs the risks of two gears while effectively evading that bit selecting when putting into gear is not in place and causing.
Description
Technical field
The present invention relates to AMT gearbox selector gear shifting actuating mechanism system, be specifically related to the interlock system of gear shift mechanism, gear interlocking when can realize block selecting, prevent shifting not in place or overcharge, improve AMT gear shift mechanism reliability.
Background technique
During the self shifter in the process of moving of AMT automobile, due to reasons such as motor performance decline, sensor signal loss, when causing shifting, bit selecting is not in place or shift gears not in place, cause frequent off-gear or cannot put into gear, bring risk to driver, need to design a kind of mutual interlocking gear to evade this risk.For above situation, in order to solve the gear interlocking problem of ball screw framework AMT automatic speed changer for machine, so need a kind of new structure AMT speed variator gear shift mechanism interlock system, improving control accuracy by mechanical position limitation, effectively addressing this problem.
At present, there is following problem in this system: ball screw machining accuracy and installation precision higher, cost is higher.Because shifting action rotates realization by the leading screw be connected on motor, for safety action is rapidly smooth, require higher to motor maximum speed.
Summary of the invention
The present invention is directed to the phenomenons such as existing AMT ball screw gear shift mechanism shifting is not in place, a kind of AMT speed variator gear shift mechanism interlock system of new structure is provided, the phenomenons such as this smart structural design, easy to use, thorough improvement existing AMT ball screw gear shift mechanism shifting are not in place, improve effect good, AMT ball screw gear shift mechanism reliability can be increased, be applicable to large-scale promotion and use.
For achieving the above object, new structure AMT speed variator gear shift mechanism interlock system of the present invention is constructed as follows:
This AMT speed variator gear shift mechanism interlock system comprises block selecting drive motor I, block selecting leading screw, gearshift fork, gearshift fork axle, gearshift drive motor II, block selecting ball assembly, gearshift dogbolt, elastic opening pin I, gear-shifting rocker arm, gearshift leading screw, gearshift ball assembly, elastic opening pin II etc.
Described drive motor I is DC brush magneto, is connected with block selecting leading screw by keyway, provides moment of torsion and rotate to block selecting leading screw.
Described block selecting leading screw coordinates with block selecting ball assembly, and forming ball screw arrangement, is the straight line motion of block selecting ball assembly by the converting rotary motion of block selecting leading screw.
Described block selecting ball assembly is coordinated with gearshift fork by restraining groove, realizes gearshift fork and is shifting gears fork axle straight line motion axially thus carry out bit selecting action.
Described gearshift fork and gearshift fork axle empty set, by elastic opening pin II interference fit, be fixed on gearshift fork on gearshift fork axle.
Described gearshift fork axle and gear-shifting rocker arm empty set, by elastic opening pin I interference fit, be fixed on gear-shifting rocker arm on gearshift fork axle, realizes gear-shifting rocker arm around the rotary motion of gearshift fork axle shaft axis and at gearshift fork axle straight line motion axially.
Described gearshift fork has " king's word " groove structure, mission case is fixed with a gearshift dogbolt, gearshift dogbolt puts in " king's word " groove structure of gearshift fork, being mated, to providing spacing during shifting, realizing gear interlocking.
Described gear-shifting rocker arm coordinates with gearshift ball assembly, and the translate linear motion realizing gearshift ball assembly is the rotary motion of gear-shifting rocker arm.
Described gearshift ball assembly coordinates with gearshift leading screw, forms ball screw arrangement, is the straight line motion of gearshift ball assembly by the converting rotary motion of gearshift leading screw.
Described drive motor II is DC brush magneto, is connected, provides moment of torsion and rotate to block selecting leading screw by keyway with gearshift leading screw.
Working principle is as follows: when block selecting drive motor I and gearshift drive motor II work, corresponding block selecting leading screw and gearshift leading screw is driven to rotate, block selecting ball assembly and gearshift ball assembly are along block selecting leading screw and gearshift lead screw straight-line, block selecting ball assembly drives the motion of gearshift oscillating rod linear to realize bit selecting, gearshift ball assembly drives gear-shifting rocker arm rotary motion to realize gearshift, be fixed on gearshift dogbolt on casing by spacing with " king's word " groove on gearshift fork, realize interlocking between each gear.
Block selecting drive motor I, block selecting leading screw, gearshift fork, gearshift fork axle, gearshift drive motor II, block selecting ball assembly, elastic opening pin I, gear-shifting rocker arm, gearshift leading screw, gearshift ball assembly, elastic opening pin II are placed in box house by native system, gearshift dogbolt is arranged on casing, simple and compact for structure, overall performance good, reliability is high.
When the AMT gear shift mechanism that the use of this interlock system effectively can evade ball screw arrangement is put into gear, bit selecting is not in place cause while hang the risks of two gears, substantially increase the gearshift reliability of AMT speed changer, this interlock system can be widely used in current AMT automobile power assembly.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is the structural representation of AMT gear shift mechanism interlock system of the present invention.
Embodiment
In order to more clearly understand technology contents of the present invention, be now described further by reference to the accompanying drawings.
See in Fig. 1 and Fig. 2, figure, conceal the casing of AMT speed changer, selector fork and gear level, they are existing structure, only remain gear shift mechanism.
This new structure AMT speed variator gear shift mechanism interlock system comprises block selecting drive motor I 1, block selecting leading screw 2, gearshift fork 3, gearshift fork axle 4, gearshift drive motor II 5, block selecting ball assembly 6, gearshift dogbolt 7, elastic opening pin I 8, gear-shifting rocker arm 9, gearshift leading screw 10, gearshift ball assembly 11, elastic opening pin II 12 etc.
Block selecting drive motor I 1 is DC brush magneto, is connected with block selecting leading screw 2 by keyway, provides moment of torsion and rotate to block selecting leading screw.Gearshift drive motor II is DC brush magneto, is connected, provides moment of torsion and rotate to block selecting leading screw by keyway with gearshift leading screw.
Block selecting leading screw 2 coordinates with block selecting ball assembly 6, and forming ball screw arrangement, is the straight line motion of block selecting ball assembly by the converting rotary motion of block selecting leading screw.Block selecting ball assembly 6 is coordinated with gearshift fork 3 by restraining groove, a protruding parts of gearshift fork 3 sticks in the restraining groove of block selecting ball assembly 6, drive by the motion of block selecting ball assembly 6, realize gearshift fork at gearshift fork axle straight line motion axially and carry out bit selecting action.Gearshift fork 3 and gearshift fork axle 4 empty set, by elastic opening pin II 12 interference fit, be fixed on gearshift fork 3 on gearshift fork axle 4.Gearshift fork axle 4 and gear-shifting rocker arm 9 empty set, by elastic opening pin I 1 interference fit, be fixed on gear-shifting rocker arm 9 on gearshift fork axle 4, realizes gear-shifting rocker arm around the rotary motion of gearshift fork axle shaft axis and at gearshift fork axle straight line motion axially.Gearshift dogbolt 7 is fixed on casing, and gearshift fork 3 has " king's word " groove structure 3-1, and gearshift dogbolt 7 puts in " king's word " groove structure 3-1 of gearshift fork, being mated, to providing spacing during shifting, realizing gear interlocking.
Gear-shifting rocker arm 9 coordinates with gearshift ball assembly 11, the auxiliary section of gear-shifting rocker arm 9 is two curve bath forks 91 that its two ends are stretched out downwards, pitch on the cylinder shifting block 111 that stretches out of gearshift ball assembly 11 two ends, when gearshift ball assembly 11 straight line motion, namely cylinder shifting block promotes the swing of two curve bath forks, and the translate linear motion realizing gearshift ball assembly is the rotary motion of gear-shifting rocker arm 9.Gearshift ball assembly 11 coordinates with gearshift leading screw 10, forms ball screw arrangement, is the straight line motion of gearshift ball assembly by the converting rotary motion of gearshift leading screw.
This interlock system is the interlock system being realized gear interlocking by mechanical position limitation, when block selecting drive motor I and gearshift drive motor II work, corresponding block selecting leading screw and gearshift leading screw is driven to rotate, block selecting ball assembly and gearshift ball assembly are along block selecting leading screw and gearshift lead screw straight-line, block selecting ball assembly drives the motion of gearshift oscillating rod linear to realize bit selecting, gearshift ball assembly drives gear-shifting rocker arm rotary motion to realize gearshift, and " king's word " slot fit of shifting gears on dogbolt and gearshift fork realizes the interlocking between gear.
Claims (1)
1. an AMT speed changer gear selecting and shifting mechanism interlock system, comprises the gear selecting drive motor I be arranged in mission case, gear selecting leading screw, gear shift fork, gear shift fork axle, gear shifting drive motor II, gear selecting ball assembly, elastic opening pin I, gear shifting rocking arm, gear shift leading screw, gear shift ball assembly and elastic opening pin II; It is characterized in that:
Described gear selecting drive motor I is connected with gear selecting leading screw by keyway, provides moment of torsion and rotate to gear selecting leading screw;
Described gear selecting leading screw coordinates with gear selecting ball assembly, and forming ball screw arrangement, is the straight line motion of gear selecting ball assembly by the converting rotary motion of gear selecting leading screw;
Described gear selecting ball assembly is coordinated with gear shift fork by restraining groove, realizes gear shift fork at gear shift fork axle straight line motion axially and carries out bit selecting action;
Described gear shift fork and gear shift fork axle empty set, by elastic opening pin II interference fit, be fixed on gear shift fork axle by gear shift fork;
Described gear shift fork axle and gear shifting rocking arm empty set, by elastic opening pin I interference fit, be fixed on gear shifting rocking arm on gear shift fork axle, realizes gear shifting rocking arm around the rotary motion of gear shift fork axle shaft axis and at gear shift fork axle straight line motion axially;
Described gear shift fork has " king's word " groove structure, mission case is fixed with a gear shift dogbolt, gear shift dogbolt puts in " king's word " groove structure of gear shift fork, is mated, and providing spacing, realizing gear interlock to selecting during gear shift;
Described gear shifting rocking arm coordinates with gear shift ball assembly, and the translate linear motion realizing gear shift ball assembly is the rotary motion of gear shifting rocking arm;
Described gear shift ball assembly coordinates with gear shift leading screw, and forming ball screw arrangement, is the straight line motion of gear shift ball assembly by the converting rotary motion of gear shift leading screw;
Described gear shifting drive motor II is connected with gear shift leading screw by keyway, provides moment of torsion and rotate to gear selecting leading screw;
Described gear selecting drive motor I and gear shifting drive motor II are DC brush magnetoes;
Described gear shift fork is arranged on the inner side of mission case, and gear shift dogbolt is arranged on mission case.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210436050.5A CN102966733B (en) | 2012-11-05 | 2012-11-05 | A kind of AMT speed variator gear shift mechanism interlock system |
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| CN201210436050.5A CN102966733B (en) | 2012-11-05 | 2012-11-05 | A kind of AMT speed variator gear shift mechanism interlock system |
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| CN102966733A CN102966733A (en) | 2013-03-13 |
| CN102966733B true CN102966733B (en) | 2015-11-18 |
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| CN104358864A (en) * | 2014-09-30 | 2015-02-18 | 东风商用车有限公司 | Electric AMT gear selecting and shifting mechanism |
| CN104343969B (en) * | 2014-10-20 | 2017-02-01 | 上海汽车变速器有限公司 | Limiting system used for AMT (automated mechanical transmission) gear-selecting/shifting control mechanism |
| CN104373583A (en) * | 2014-11-13 | 2015-02-25 | 无锡江南奕帆电力传动科技股份有限公司 | Automatic gear-shifting operation mechanism |
| CN104500730A (en) * | 2014-12-29 | 2015-04-08 | 田立树 | Heavy-duty car speed changing box with semi-automatic speed changing device |
| CN106151505B (en) * | 2015-04-27 | 2018-03-06 | 长城汽车股份有限公司 | Gearshift for vehicle and the vehicle with the gearshift |
| CN105422843A (en) * | 2015-12-04 | 2016-03-23 | 广西玉柴机器股份有限公司 | Method for shortening gear shifting time of automatic gearbox for electronic control machine |
| CN105351516B (en) * | 2015-12-15 | 2018-08-28 | 武汉理工通宇新源动力有限公司 | A kind of motor driving shift-selecting and changing actuating mechanism of mechanical transmission |
| 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 |
| CN108119648A (en) * | 2017-12-22 | 2018-06-05 | 山东理工大学 | A kind of automotive transmission two-dimentional machinery formula power shifted speed |
| CN110360315A (en) * | 2019-07-17 | 2019-10-22 | 浙江万里扬股份有限公司 | Gear shift mechanism, speed changer and vehicle |
| CN115370741A (en) * | 2022-07-22 | 2022-11-22 | 合肥智行通智能科技有限公司 | Drive-by-wire selection gearshift based on ball and flexible axle transmission |
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| CN202056291U (en) * | 2011-02-24 | 2011-11-30 | 上海汽车变速器有限公司 | Gear-shifting position-replacing mechanism with gear selecting and replacing slot shaped like Chinese character 'Wang' |
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2012
- 2012-11-05 CN CN201210436050.5A patent/CN102966733B/en active Active
Patent Citations (6)
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| DE10156142A1 (en) * | 2000-11-15 | 2002-05-23 | Exedy Corp | Vehicle transmission system e.g. for bus, truck, includes two set of motors in gear shifter and clutch actuator respectively for applying rotating force to respective motion converting mechanisms |
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| CN102042398A (en) * | 2009-10-19 | 2011-05-04 | 同济大学 | Rotating shaft type automatic gear shifting mechanism for axis fixed transmission |
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| CN102966733A (en) | 2013-03-13 |
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Effective date of registration: 20160118 Address after: 100089, No. 2, Red Hot Mill Street, Beijing, Xicheng District Patentee after: China Changan Automobile Group Address before: 402761, Bishan County, Chongqing green bar town Patentee before: Qingshan Industry Co., Ltd., Chongqing |