CN102207191B - Screw type gear shift executing mechanism for mechanical type automatic transmission system - Google Patents
Screw type gear shift executing mechanism for mechanical type automatic transmission system Download PDFInfo
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- CN102207191B CN102207191B CN201110047957.8A CN201110047957A CN102207191B CN 102207191 B CN102207191 B CN 102207191B CN 201110047957 A CN201110047957 A CN 201110047957A CN 102207191 B CN102207191 B CN 102207191B
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- gear
- selecting
- speed reducing
- gearshift
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Abstract
The invention relates to a screw type gear shift executing mechanism for a mechanical type automatic transmission system, which comprises a gear shift motor, a gear shifting and speed reducing gear pair, a gear shifting block, a gear shifting fork, a gear shifting spline shaft, a gear selecting fork, a gear selecting screw, a gear selecting and speed reducing gear pair and a gear selecting motor, wherein the gear selecting motor is connected with the gear shifting spline shaft through the gear shifting and speed reducing gear pair and is connected with the gear selecting screw through the gear selecting and speed reducing gear pair; the gear shifting spline shaft and the gear selecting screw are arranged in parallel; the gear selecting screw is arranged in the gear selecting fork and is sleeved in a groove of the gear shifting fork; and the gear shifting spline shaft is sleeved in the gear shifting fork, and the gear shifting fork acts on the gear shifting block which is connected with a longitudinal gear shifting pull rod. The gear shift executing mechanism provided by the invention has the advantages of simple and compact structure, easiness for implementing layout in a car as well as convenience and quickness for control.
Description
Technical field
The present invention relates to the actuator in system of vehicle transmission and manipulation technology field, specifically relate to a kind of lead screw type gear shifting actuating mechanism for automatic mechanical transmission.
Background technique
Mechanical automatic speed changing (AMT) technology that is applied to fixed axle gearbox is one of direction of contemporary system of vehicle transmission and manipulation technology development.
Gear shifting actuating mechanism has important Research Significance as the key technology of automatic mechanical transmission.
Existing AMT gear shifting actuating mechanism mainly contains following form:
(1) take the AMT shift-selecting and changing actuating mechanism for automatic speed transmission that China Patent No. ZL 200720123114.0 is representative, it only contains shifting shaft, mechanism is by controlling the position of gearshift plunger to the selection of a plurality of (six) solenoid valve break-make, and then the object of gear is selected in realization, this structure need to be transformed accordingly to gearbox, and simultaneously required solenoid valve is more.
(2) in existing shift-selecting and changing actuating mechanism, include gear selecting actuator and gear shifting actuating mechanism, gear selecting actuator includes step electric machine, the gear selecting axis of guide and gear selecting axis of guide angle transducer; Gear shifting actuating mechanism comprises shift motor, shifting shaft, gear-shifting rocker arm and shifting shaft angle transducer; Gear selecting axis of guide angle transducer is arranged on step electric machine, shifting shaft angle transducer; Shifting shaft angle transducer is arranged on shift motor; Shifting shaft in gear shifting actuating mechanism become with gear-shifting rocker arm one whole; Doing like this Shortcomings part is: gear selecting axis of guide sensor and shifting shaft angle transducer are arranged on respectively on shift motor and step electric machine, makes gear selecting and gearshift have the poor problem of control accuracy; Shifting shaft becomes as a whole with gear-shifting rocker arm, makes complex structural designs.
Summary of the invention
The object of the invention is for high-power, many gears heavy vehicle, in a row the automatic mechanical transmission of the longitudinal tie of shifting gears of layouts provide a kind of simple and compact for structure, be easy to realize Bus inner layout, control gear shifting actuating mechanism easily.
Object of the present invention adopts following technical proposals to be achieved:
For a lead screw type gear shifting actuating mechanism for automatic mechanical transmission, described actuator comprises motor, speed reducing gear pair, gear shift shifting block 3, reverse shift fork 4, gear shift splined shaft 5, gear selecting shift fork 6 and gear selecting leading screw 7; Its improvements are, described motor is connected with block selecting leading screw 7 with gearshift splined shaft 5 respectively by speed reducing gear pair; Described gearshift splined shaft 5 is arranged in parallel with block selecting leading screw 7; Described block selecting leading screw 7 is installed in block selecting shift fork 6; Described block selecting shift fork 6 is set in the fluting of selector fork 4; Described gearshift splined shaft 5 is set in selector fork 4; Described selector fork 4 acts on the gearshift shifting block 3 joining with the longitudinal tie of shifting gears.
A kind of preferred technological scheme provided by the invention is: described motor comprises motor 1 for shifting gears and for the motor 9 of gear selecting, describedly for the motor 1 of shifting gears with for the motor 9 of gear selecting, is called again shift motor 1 and step electric machine 9; Described speed reducing gear pair comprises gearshift speed reducing gear pair 2 and gear selecting speed reducing gear pair 8; Described shift motor 1 is connected with gear shift splined shaft 5 by shift down gear pair 2; Described step electric machine 9 is connected with gear selecting leading screw 7 by gear selecting speed reducing gear pair 8.
The provided by the invention second preferred technological scheme is: described gearshift speed reducing gear pair 2 comprises one-level gearshift speed reducing gear pair, secondary gearshift speed reducing gear pair, three grades of gearshift speed reducing gear pairs; Described shift motor 1 is connected with described one-level gearshift speed reducing gear pair; Described primary speed-down gear pair is connected with double-reduction gear is secondary; Described three grades of speed reducing gear pairs are directly connected with gearshift splined shaft 5.
The provided by the invention the 3rd preferred technological scheme is: described step electric machine 9 is connected with gear selecting speed reducing gear pair 8; Described gear selecting speed reducing gear pair 8 is connected with gear selecting leading screw 7.
Compared with prior art, the beneficial effect that the present invention reaches is:
Lead screw type gear shifting actuating mechanism shifting parallelism structural for automatic mechanical transmission provided by the invention is arranged, block selecting is straight line motion, can act on any number of gearshift longitudinal ties of layout in a row, realize the many gears of mechanical automatic gearbox and select, its compact structure, be easy to arrange, control convenient;
Lead screw type gear shifting actuating mechanism for automatic mechanical transmission provided by the invention is not changed the former project organization of vehicle, and entire infrastructure design all adopts low processing technology requirement, and volume is little, cost is low, good reliability, compact structure, it is convenient to control, and is easy to realize interior space and arranges.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment's of a kind of electronic gear shifting actuating mechanism for automatic mechanical transmission provided by the present invention gear selecting structure schematic diagram;
Fig. 2 is shift gears a kind of embodiment's the motion structure schematic diagram of splined shaft 5 and selector fork 4 of a kind of electronic gear shifting actuating mechanism for automatic mechanical transmission provided by the present invention;
In figure: 1 shift motor, 2 gearshift speed reducing gear pairs, 3 gearshift shifting blocks, 4 selector forks, 5 gearshift splined shafts, 6 block selecting shift forks, 7 block selecting leading screws, 8 block selecting speed reducing gear pairs, 9 block selecting motors.
Embodiment
Below in conjunction with the drawings and specific embodiments, the specific embodiment of the present invention is described in further detail.
Fig. 1 is a kind of embodiment's of a kind of electronic gear shifting actuating mechanism for automatic mechanical transmission provided by the present invention gear selecting structure schematic diagram; This gear shifting actuating mechanism comprises shift motor 1, gearshift speed reducing gear pair 2, gearshift shifting block 3, selector fork 4, gearshift splined shaft 5, block selecting shift fork 6, block selecting leading screw 7, block selecting speed reducing gear pair 8 and block selecting motor 9;
Shift motor 1 is connected with gearshift splined shaft 5 by gearshift speed reducing gear pair 2; Block selecting motor 9 is connected with block selecting leading screw 7 by block selecting speed reducing gear pair 8; Gearshift splined shaft 5 is arranged in parallel with block selecting leading screw 7; Block selecting leading screw 7 is installed in block selecting shift fork 6; Block selecting leading screw 6 is set in the fluting of selector fork 4; Gearshift splined shaft 5 is set in selector fork 4, and selector fork 4 acts on the gearshift shifting block 3 joining with the longitudinal tie of shifting gears; Gearshift longitudinal tie belongs to the drive link on car, plays a gearing that gearbox is handled;
Gearshift speed reducing gear pair 2 comprises one-level gearshift speed reducing gear pair, secondary gearshift speed reducing gear pair, three grades of gearshift speed reducing gear pairs; Shift motor 1 is connected with one-level gearshift speed reducing gear pair; Primary speed-down gear pair is connected with double-reduction gear is secondary; Three grades of speed reducing gear pairs are connected with gearshift splined shaft 5.
Gear shifting actuating mechanism function provided by the invention is achieved as follows:
1) realization of block selecting function:
When the ECU of automatic mechanical transmission sends block selecting instruction, as shown in Figure 1: block selecting motor 9 is just being done accordingly or return motion, through block selecting speed reducing gear pair 8, drive block selecting leading screws 7 just doing accordingly or return motion, drive block selecting shift fork 6 to move along block selecting leading screw 7 axial (left or right), now, block selecting shift fork 6 drives the connected selector fork 4 of socket to move to the neutral position of the corresponding gearshift shifting block 3 of gear that needs selection, realizes block selecting function.
2) realization of gearshift function:
When block selecting completes, Fig. 2 is shift gears a kind of embodiment's the motion structure schematic diagram of splined shaft 5 and selector fork 4 of a kind of electronic gear shifting actuating mechanism for automatic mechanical transmission provided by the present invention; As shown in Figure 2: shift motor 1 is according to the instruction of ECU, just do accordingly or return motion, through gearshift speed reducing gear pair 2, drive gearshift splined shafts 5 just doing accordingly or return motion, drive selector fork 4 along radially (the just or instead) motion of gearshift splined shafts 5, now, selector fork 4 drives the selected gearshift shifting block 3 that is connected in gearshift longitudinal tie to do the straight line motion of respective direction, makes the gearshift longitudinal tie being connected do corresponding straight line motion, realizes gearshift function.
Finally should be noted that: in conjunction with above-described embodiment, only illustrate that technological scheme of the present invention is not intended to limit.Those of ordinary skill in the field are to be understood that: those skilled in the art can modify or be equal to replacement the specific embodiment of the present invention, but among the claim protection domain that these modifications or change are all awaited the reply in application.
Claims (3)
1. for a lead screw type gear shifting actuating mechanism for automatic mechanical transmission, described actuator comprises motor, speed reducing gear pair, gear shift shifting block (3), reverse shift fork (4), gear shift splined shaft (5), gear selecting shift fork (6) and gear selecting leading screw (7); It is characterized in that, described motor is connected with block selecting leading screw (7) with gearshift splined shaft (5) respectively by speed reducing gear pair; Described gearshift splined shaft (5) is arranged in parallel with block selecting leading screw (7); Described block selecting leading screw (7) is installed in block selecting shift fork (6); Described block selecting shift fork (6) is set in the fluting of selector fork (4); Described gearshift splined shaft (5) is set in selector fork (4); Described selector fork (4) acts on the gearshift shifting block (3) joining with the longitudinal tie of shifting gears; Described motor comprises motor (1) for shifting gears and for the motor (9) of gear selecting, describedly for the motor (1) of shifting gears with for the motor (9) of gear selecting, is called again shift motor (1) and step electric machine (9); Described speed reducing gear pair comprises gearshift speed reducing gear pair (2) and gear selecting speed reducing gear pair (8); Described shift motor (1) is connected with gear shift splined shaft (5) by shift down gear pair (2); Described step electric machine (9) is connected with gear selecting leading screw (7) by gear selecting speed reducing gear pair (8).
2. the lead screw type gear shifting actuating mechanism for automatic mechanical transmission as claimed in claim 1, it is characterized in that, described gearshift speed reducing gear pair (2) comprises one-level gearshift speed reducing gear pair, secondary gearshift speed reducing gear pair, three grades of gearshift speed reducing gear pairs; Described shift motor (1) is connected with described one-level gearshift speed reducing gear pair; Described primary speed-down gear pair is connected with double-reduction gear is secondary; Described three grades of speed reducing gear pairs are connected with gearshift splined shaft (5).
3. the lead screw type gear shifting actuating mechanism for automatic mechanical transmission as claimed in claim 1, is characterized in that, described step electric machine (9) is connected with gear selecting speed reducing gear pair (8); Described gear selecting speed reducing gear pair (8) is connected with gear selecting leading screw (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110047957.8A CN102207191B (en) | 2011-02-28 | 2011-02-28 | Screw type gear shift executing mechanism for mechanical type automatic transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110047957.8A CN102207191B (en) | 2011-02-28 | 2011-02-28 | Screw type gear shift executing mechanism for mechanical type automatic transmission system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102207191A CN102207191A (en) | 2011-10-05 |
| CN102207191B true CN102207191B (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110047957.8A Expired - Fee Related CN102207191B (en) | 2011-02-28 | 2011-02-28 | Screw type gear shift executing mechanism for mechanical type automatic transmission system |
Country Status (1)
| Country | Link |
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| CN (1) | CN102207191B (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112350B (en) * | 2011-11-17 | 2016-06-08 | 北汽福田汽车股份有限公司 | Transmission system of electric automobile and electromobile |
| CN102678913B (en) * | 2011-11-22 | 2014-10-15 | 河南科技大学 | Screw rod gear selecting and gear shifting mechanism |
| CN102518789A (en) * | 2011-12-19 | 2012-06-27 | 陕西法士特齿轮有限责任公司 | Electric gear-shifting actuating mechanism |
| CN102705502A (en) * | 2012-05-25 | 2012-10-03 | 浙江吉利汽车研究院有限公司杭州分公司 | Gear selecting and shifting actuator of automatic gearbox |
| CN102718163B (en) * | 2012-06-21 | 2016-02-24 | 无锡市协兴港口机械有限公司 | A kind of lifting mechanism for hoisting crane |
| CN102818015A (en) * | 2012-09-11 | 2012-12-12 | 唐海滨 | Electric motor coach mechanical automatic transmission gear shift mechanism |
| CN102865360A (en) * | 2012-09-19 | 2013-01-09 | 袁跃强 | Execution device for automatic gear-shifting mechanism of automobile |
| CN103016711B (en) * | 2012-12-25 | 2016-04-20 | 长城汽车股份有限公司 | A kind of shift-selecting and changing actuating mechanism and automatic transmission |
| CN103470753B (en) * | 2013-09-29 | 2015-11-18 | 长城汽车股份有限公司 | AMT speed changer and the block selecting gearshift assembly for AMT speed changer |
| CN104482198B (en) * | 2014-12-11 | 2017-11-24 | 东风汽车公司 | Electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly |
| CN104595478B (en) * | 2015-01-26 | 2017-02-01 | 吉林大学 | Mechanical type automatic transmission gear selecting and shifting actuation mechanism for vehicle |
| CN104675981A (en) * | 2015-02-12 | 2015-06-03 | 苏州紫荆清远新能源汽车技术有限公司 | Electric control and electric gear selecting and shifting actuation mechanism for automatic gearbox |
| CN104696507B (en) * | 2015-02-28 | 2017-09-15 | 重庆大学 | Intelligent gearshift robot arm and its shift of transmission performance test methods |
| US11506283B2 (en) | 2018-03-21 | 2022-11-22 | Weichai Power Co., Ltd. | Gear selection and shifting actuating mechanism and method |
| CN108612844A (en) * | 2018-07-09 | 2018-10-02 | 江阴职业技术学院 | A kind of automatic gearshift of manual transmission |
| CN111089165B (en) * | 2020-03-25 | 2020-07-24 | 坤泰车辆系统（常州）有限公司 | Automatic gear shifting device for transmission |
| CN113062979B (en) * | 2021-03-19 | 2022-03-22 | 中国人民解放军陆军装甲兵学院 | Full automatically controlled AMT gearshift |
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|---|---|---|---|---|
| US6003395A (en) * | 1996-08-06 | 1999-12-21 | Luk Getriebe-Systeme Gmbh | Actuating apparatus for automated constituents of power trains in motor vehicles |
| CN201425090Y (en) * | 2009-04-17 | 2010-03-17 | 同济大学 | Electric control operating device of car mechanical 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 |
-
2011
- 2011-02-28 CN CN201110047957.8A patent/CN102207191B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6003395A (en) * | 1996-08-06 | 1999-12-21 | Luk Getriebe-Systeme Gmbh | Actuating apparatus for automated constituents of power trains in motor vehicles |
| CN201425090Y (en) * | 2009-04-17 | 2010-03-17 | 同济大学 | Electric control operating device of car mechanical 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 |
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| Publication number | Publication date |
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| CN102207191A (en) | 2011-10-05 |
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Granted publication date: 20140423 Termination date: 20160228 |