CN102966733A - Interlocking system of gear selection and shifting mechanisms of automatic and manual transmission (AMT) - Google Patents
Interlocking system of gear selection and shifting mechanisms of automatic and manual transmission (AMT) Download PDFInfo
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- CN102966733A CN102966733A CN2012104360505A CN201210436050A CN102966733A CN 102966733 A CN102966733 A CN 102966733A CN 2012104360505 A CN2012104360505 A CN 2012104360505A CN 201210436050 A CN201210436050 A CN 201210436050A CN 102966733 A CN102966733 A CN 102966733A
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Abstract
The invention discloses an interlocking system of gear selection and shifting mechanisms of an automatic and manual transmission (AMT), and the system comprises a gear selection driving motor I, a gear selection lead screw, a gear shifting swing rod, a gear shifting swing rod shaft, a gear shifting driving motor II, a gear selection ball bearing component, a gear shifting stopping bolt, a gear shifting rocker, a gear shifting lead screw, a gear shifting ball bearing component and the like. The gear shifting swing rod is connected with the gear shifting swing rod shaft, the gear shifting rocker is connected with the gear shifting swing rod shaft, and the gear shifting stopping bolt is matched with a groove on the gear shifting swing rod in the shape of a Chinese character 'wang'; when the gear selection driving motor I and the gear shifting driving motor II work, the corresponding gear selection lead screw and the corresponding gear shifting lead screw are driven to rotate, the gear selection ball bearing component and the gear shifting ball bearing component have linear motion along the gear selection lead screw and the gear shifting lead screw; the gear selection ball bearing component drives the gear shifting swing rod to have linear motion so as to select a position; the gear shifting ball bearing component drives the gear shifting rocker to rotate so as to shift a gear; and the gear shifting stopping bolt is matched with the groove on the gear shifting swing rod in the shape of the Chinese character 'wang' to realize the interlocking of gears. According to the system, the structure is simple and compact, the reliability is high, the gear shifting reliability can be improved, and the risk that two gears are operated simultaneously because the position is not thoroughly selected when in gear operation is effectively avoided.
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 in the time of can realizing block selecting prevents that shifting is not in place or overcharges raising AMT gear shift mechanism reliability.
Background technique
During the in the process of moving self shifter of AMT automobile, owing to reasons such as motor performance descend, sensor signal is lost, bit selecting is not in place or shift gears not in place when causing shifting, cause frequent off-gear or can't put into gear, bring risk to the driver, need to design a kind of mutual interlocking gear and 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, improve control accuracy by mechanical position limitation, effectively address this problem.
At present, there is following problem in this system: ball screw machining accuracy and installation precision are higher, and cost is higher.Because the shifting action is rapidly smooth for safety action by being connected to the leading screw rotation realization on the motor, and the motor maximum speed is had relatively high expectations.
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 the existing AMT ball screw gear shift mechanism shifting of ingenious, easy to use, the thorough improvement of this structural design is not in place, it is good to improve effect, can increase AMT ball screw gear shift mechanism reliability, be fit 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 the DC brush magneto, is connected with the block selecting leading screw by keyway, moment of torsion and rotation is provided for the block selecting leading screw.
Described block selecting leading screw cooperates with block selecting ball assembly, forms ball screw arrangement, rotatablely moving of block selecting leading screw is changed into the straight line motion of block selecting ball assembly.
Described block selecting ball assembly cooperates with the gearshift fork by restraining groove, thereby realizes that the straight line motion of gearshift fork on gearshift fork axle is axial carries out the bit selecting action.
Described gearshift fork and gearshift fork axle empty set, by elastic opening pin II interference fit, the fork of will shifting gears is fixed on the gearshift fork axle.
Described gearshift fork axle and gear-shifting rocker arm empty set by elastic opening pin I interference fit, are fixed on gear-shifting rocker arm on the gearshift fork axle, realize the straight line motion of gear-shifting rocker arm on the fork axle that rotatablely moves and shifting gears of gearshift fork axle shaft axis is axial.
Have " king's word " groove structure on the described gearshift fork, be fixed with a gearshift dogbolt at mission case, the gearshift dogbolt puts in " king's word " groove structure of gearshift fork, is mated, and provides spacing when giving shifting, realizes gear interlocking.
Described gear-shifting rocker arm cooperates with gearshift ball assembly, realizes that the straight line motion of gearshift ball assembly changes rotatablely moving of gear-shifting rocker arm into.
Described gearshift ball assembly cooperates with the gearshift leading screw, forms ball screw arrangement, rotatablely moving of gearshift leading screw is changed into the straight line motion of gearshift ball assembly.
Described drive motor II is the DC brush magneto, is connected with the gearshift leading screw by keyway, moment of torsion and rotation is provided for the block selecting leading screw.
Working principle is as follows: when block selecting drive motor I and the work of gearshift drive motor II, drive corresponding block selecting leading screw and the rotation of gearshift leading screw, 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 and realizes bit selecting, gearshift ball assembly drive gear-shifting rocker arm rotatablely moves and realizes gearshift, be fixed on gearshift dogbolt on the casing by spacing with gearshift " king's word " groove on the fork, realize interlocking between each gear.
Native system places box house with 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, the gearshift dogbolt is installed on the casing, and is simple and compact for structure, overall performance good, reliability is high.
The risk that bit selecting was not in place when the AMT gear shift mechanism that ball screw arrangement can be effectively evaded in the use of this interlock system was put into gear hangs two gears when causing, greatly improved the gearshift reliability of AMT speed changer, this interlock system can be widely used in the present AMT automobile power assembly.
Description of drawings
Fig. 1 and Fig. 2 are the structural representation of AMT gear shift mechanism interlock system of the present invention.
Embodiment
In order more clearly to understand technology contents of the present invention, now be described further by reference to the accompanying drawings.
Referring to Fig. 1 and Fig. 2, among the figure, hidden casing, selector fork and the gear level of AMT speed changer, they are existing structure, have only kept 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 the DC brush magneto, is connected with block selecting leading screw 2 by keyway, moment of torsion and rotation is provided for the block selecting leading screw.Gearshift drive motor II is the DC brush magneto, is connected with the gearshift leading screw by keyway, moment of torsion and rotation is provided for the block selecting leading screw.
Block selecting leading screw 2 cooperates with block selecting ball assembly 6, forms ball screw arrangement, rotatablely moving of block selecting leading screw is changed into the straight line motion of block selecting ball assembly.Block selecting ball assembly 6 cooperates with gearshift fork 3 by restraining groove, one of gearshift fork 3 protrudes the position and sticks in the restraining groove of block selecting ball assembly 6, be subjected to the motion of block selecting ball assembly 6 and drive, thereby realize that the gearshift fork carries out the bit selecting action at the straight line motion of gearshift fork axle on axially.Gearshift fork 3 and gearshift fork axle 4 empty sets, by elastic opening pin II 12 interference fit, the fork 3 of will shifting gears is fixed on the gearshift fork axle 4.Gearshift fork axle 4 and gear-shifting rocker arm 9 empty sets by elastic opening pin I 1 interference fit, are fixed on gear-shifting rocker arm 9 on the gearshift fork axle 4, realize gear-shifting rocker arm around gearshift fork axle shaft axis rotatablely move and at the straight line motion of gearshift fork axle on axially.Gearshift dogbolt 7 is fixed on the casing, has " king's word " groove structure 3-1 on the gearshift fork 3, and gearshift dogbolt 7 puts among " king's word " groove structure 3-1 of gearshift fork, is mated, and provides spacing when giving shifting, realizes gear interlocking.
Gear-shifting rocker arm 9 cooperates with gearshift ball assembly 11, the auxiliary section of gear-shifting rocker arm 9 is two curve bath forks 91 that stretch out downwards at its two ends, on the cylinder shifting block 111 that fork stretches out at gearshift ball assembly 11 two ends, when gearshift ball assembly 11 straight line motion, the cylinder shifting block namely promotes the swing of two curve bath forks, realizes that the straight line motion of gearshift ball assembly changes rotatablely moving of gear-shifting rocker arm 9 into.Gearshift ball assembly 11 cooperates with gearshift leading screw 10, forms ball screw arrangement, rotatablely moving of gearshift leading screw is changed into the straight line motion of gearshift ball assembly.
This interlock system is the interlock system of realizing gear interlocking by mechanical position limitation, when block selecting drive motor I and the work of gearshift drive motor II, drive corresponding block selecting leading screw and the rotation of gearshift leading screw, 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 and realizes bit selecting, gearshift ball assembly drives gear-shifting rocker arm and rotatablely moves and realize gearshift, and the gearshift dogbolt cooperates the interlocking between the realization gear with " king's word " groove on the gearshift fork.
Claims (3)
1. an AMT speed variator gear shift mechanism interlock system comprises the 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 and the elastic opening pin II that are installed in the mission case; It is characterized in that:
Described block selecting drive motor I is connected with the block selecting leading screw by keyway, moment of torsion and rotation is provided for the block selecting leading screw;
Described block selecting leading screw cooperates with block selecting ball assembly, forms ball screw arrangement, rotatablely moving of block selecting leading screw is changed into the straight line motion of block selecting ball assembly;
Described block selecting ball assembly cooperates with the gearshift fork by restraining groove, thereby realizes that the straight line motion of gearshift fork on gearshift fork axle is axial carries out the bit selecting action;
Described gearshift fork and gearshift fork axle empty set, by elastic opening pin II interference fit, the fork of will shifting gears is fixed on the gearshift fork axle;
Described gearshift fork axle and gear-shifting rocker arm empty set by elastic opening pin I interference fit, are fixed on gear-shifting rocker arm on the gearshift fork axle, realize the straight line motion of gear-shifting rocker arm on the fork axle that rotatablely moves and shifting gears of gearshift fork axle shaft axis is axial;
Have " king's word " groove structure on the described gearshift fork, be fixed with a gearshift dogbolt at mission case, the gearshift dogbolt puts in " king's word " groove structure of gearshift fork, is mated, and provides spacing when giving shifting, realizes gear interlocking;
Described gear-shifting rocker arm cooperates with gearshift ball assembly, realizes that the straight line motion of gearshift ball assembly changes rotatablely moving of gear-shifting rocker arm into;
Described gearshift ball assembly cooperates with the gearshift leading screw, forms ball screw arrangement, rotatablely moving of gearshift leading screw is changed into the straight line motion of gearshift ball assembly;
Described gearshift drive motor II is connected with the gearshift leading screw by keyway, moment of torsion and rotation is provided for the block selecting leading screw.
2. AMT speed variator gear shift mechanism interlock system according to claim 1 is characterized in that, described block selecting drive motor I and gearshift drive motor II are the DC brush magnetoes.
3. AMT speed variator gear shift mechanism interlock system according to claim 1 and 2 is characterized in that described gearshift fork is installed in the inboard of mission case, and the gearshift dogbolt is installed on the mission case.
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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 true CN102966733A (en) | 2013-03-13 |
| CN102966733B CN102966733B (en) | 2015-11-18 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343969A (en) * | 2014-10-20 | 2015-02-11 | 上海汽车变速器有限公司 | Limiting system used for AMT (automated mechanical transmission) gear-selecting/shifting control mechanism |
| CN104358864A (en) * | 2014-09-30 | 2015-02-18 | 东风商用车有限公司 | Electric AMT gear selecting and shifting 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 |
| CN105351516A (en) * | 2015-12-15 | 2016-02-24 | 武汉理工通宇新源动力有限公司 | Motor-driven gear selecting and shifting implementation mechanism of mechanical transmission |
| 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 |
| CN106151505A (en) * | 2015-04-27 | 2016-11-23 | 长城汽车股份有限公司 | For the gearshift of vehicle and have the vehicle of this gearshift |
| 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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| 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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| CN201723695U (en) * | 2010-05-31 | 2011-01-26 | 南京奥联动力传动科技有限公司 | Ball screw type gear selection and shift execution mechanism |
| CN102042398A (en) * | 2009-10-19 | 2011-05-04 | 同济大学 | Rotating shaft type automatic gear shifting mechanism for axis fixed transmission |
| 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 |
| CN201391598Y (en) * | 2009-04-15 | 2010-01-27 | 株洲欧格瑞传动股份有限公司 | Reserve gear locking mechanism for automotive transmission |
| CN102042398A (en) * | 2009-10-19 | 2011-05-04 | 同济大学 | Rotating shaft type automatic gear shifting mechanism for axis fixed transmission |
| CN201606485U (en) * | 2009-12-18 | 2010-10-13 | 一汽解放青岛汽车厂 | Truck electric shifting mechanism without synchronizer transmission |
| CN201723695U (en) * | 2010-05-31 | 2011-01-26 | 南京奥联动力传动科技有限公司 | Ball screw type gear selection and shift execution mechanism |
| 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' |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358864A (en) * | 2014-09-30 | 2015-02-18 | 东风商用车有限公司 | Electric AMT gear selecting and shifting mechanism |
| CN104343969A (en) * | 2014-10-20 | 2015-02-11 | 上海汽车变速器有限公司 | Limiting system used for AMT (automated mechanical transmission) gear-selecting/shifting control 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 |
| CN106151505A (en) * | 2015-04-27 | 2016-11-23 | 长城汽车股份有限公司 | For the gearshift of vehicle and have the vehicle of this gearshift |
| 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 |
| CN105351516A (en) * | 2015-12-15 | 2016-02-24 | 武汉理工通宇新源动力有限公司 | Motor-driven gear selecting and shifting implementation mechanism of mechanical transmission |
| 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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| CN102966733B (en) | 2015-11-18 |
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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 |