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CN102207191A - 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 PDF

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Publication number
CN102207191A
CN102207191A CN2011100479578A CN201110047957A CN102207191A CN 102207191 A CN102207191 A CN 102207191A CN 2011100479578 A CN2011100479578 A CN 2011100479578A CN 201110047957 A CN201110047957 A CN 201110047957A CN 102207191 A CN102207191 A CN 102207191A
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CN
China
Prior art keywords
gear
gearshift
selecting
speed reducing
motor
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Granted
Application number
CN2011100479578A
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Chinese (zh)
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CN102207191B (en
Inventor
商建平
王子冬
姜宏暄
关世孝
卢亚丽
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China North Vehicle Research Institute
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China North Vehicle Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201110047957.8A priority Critical patent/CN102207191B/en
Publication of CN102207191A publication Critical patent/CN102207191A/en
Application granted granted Critical
Publication of CN102207191B publication Critical patent/CN102207191B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of lead screw type gearshift actuator that is used for automatic mechanical transmission
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 gearshift actuator that is used 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.
Gearshift actuator has important Research Significance as the key technology of automatic mechanical transmission.
Existing AMT gearshift actuator mainly contains following form:
(1) with China Patent No. ZL 200720123114.0 is the AMT shift-selecting and changing actuating mechanism for automatic speed transmission of representative, it only contains the gearshift axle, mechanism is by the position of plunger that the selection control of a plurality of (six) solenoid valve break-make is shifted gears, and then the purpose of gear is selected in realization, this structure need be carried out corresponding transformation to gearbox, and simultaneously required solenoid valve is more.
(2) in existing shift-selecting and changing actuating mechanism, include gear selecting actuator and gearshift actuator, gear selecting actuator includes gear selecting motor, the gear selecting axis of guide and gear selecting axis of guide angle transducer; Gearshift actuator comprises shift motor, gearshift axle, gearshift rocking arm and gearshift shaft angle degree sensor; Gear selecting axis of guide angle transducer is installed on the gear selecting motor, gearshift shaft angle degree sensor; Gearshift shaft angle degree sensor is installed on the shift motor; Gearshift axle in the gearshift actuator becomes an integral body with the gearshift rocking arm; Do like this and exist deficiency to be: gear selecting axis of guide sensor and gearshift shaft angle degree sensor are installed in respectively on shift motor and the gear selecting motor, make gear selecting and gearshift have the problem of control accuracy difference; The gearshift axle and the rocking arm of shifting gears become as a whole, make complex structural designs.
Summary of the invention
The objective of the invention is to be high-power, many gears heavy vehicle, in a row the automatic mechanical transmission of the gearshift longitudinal tie of layouts provide a kind of simple and compact for structure, be easy to realize arrange in the car, control the actuator of shifting gears easily.
Purpose of the present invention adopts following technical proposals to be achieved:
A kind of lead screw type gearshift actuator that is used 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 that described motor links to each other 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 the 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 the selector fork 4; On the gearshift shifting block 3 that described selector fork 4 acts on and the longitudinal tie of shifting gears joins.
A kind of optimized technical scheme provided by the invention is: described motor comprises motor 1 that is used to shift gears and the motor 9 that is used for gear selecting, and the described motor that is used to shift gears 1 is called shift motor 1 and gear selecting motor 9 again with the motor 9 that is used for gear selecting; Described speed reducing gear pair comprises gearshift speed reducing gear pair 2 and gear selecting speed reducing gear pair 8; Described shift motor 1 links to each other with gear shift splined shaft 5 by shift down gear pair 2; Described gear selecting motor 9 links to each other with gear selecting leading screw 7 by gear selecting speed reducing gear pair 8.
Second optimized technical scheme provided by the invention 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 one-level speed reducing gear pair is connected with double-reduction gear is secondary; Described three grades of speed reducing gear pairs directly link to each other with gearshift splined shaft 5.
The 3rd optimized technical scheme provided by the invention is: described gear selecting motor 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 reaches of the present invention is:
The lead screw type gearshift actuator shifting parallelism structural that is used for automatic mechanical transmission provided by the invention is arranged, block selecting is a straight line motion, can act on any a plurality of gearshift longitudinal ties of layout in a row, realize that the many gears of mechanical automatic gearbox select, its compact structure, be easy to arrange, control is convenient;
Change is not done to the former project organization of vehicle by the lead screw type gearshift actuator that is used for automatic mechanical transmission provided by the invention, and low processing technology requirement is all adopted in the entire infrastructure design, and volume is little, cost is low, good reliability, compact structure, it is convenient to control, and is easy to realize the interior space layout.
Description of drawings
Fig. 1 is a kind of embodiment's of a kind of electronic gearshift actuator that is used for automatic mechanical transmission provided by the present invention block selecting structural representation;
Fig. 2 is a kind of embodiment's of a kind of electronic gearshift actuator gearshift splined shaft 5 that is used for automatic mechanical transmission provided by the present invention and selector fork 4 motion structure schematic representation;
Among the 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 gearshift actuator that is used for automatic mechanical transmission provided by the present invention block selecting structural representation; This gearshift actuator 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 links to each other with gearshift splined shaft 5 by gearshift speed reducing gear pair 2; Block selecting motor 9 links to each other 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 the 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 the selector fork 4, on the gearshift shifting block 3 that selector fork 4 acts on and the longitudinal tie of shifting gears joins; The gearshift longitudinal tie belongs to the drive link on the 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; The one-level speed reducing gear pair is connected with double-reduction gear is secondary; Three grades of speed reducing gear pairs are connected with gearshift splined shaft 5.
Gearshift provided by the invention actuator function is achieved as follows:
The realization of 1) block selecting function:
When the ECU of automatic mechanical transmission sends the block selecting instruction, as shown in Figure 1: block selecting motor 9 is just being done accordingly or return motion, driving block selecting leading screws 7 through block selecting speed reducing gear pair 8 is just doing accordingly or return motion, drive block selecting shift fork 6 along axially (left side or right) motion of block selecting leading screw 7, at this moment, block selecting shift fork 6 drives the neutral position that the continuous selector fork 4 of socket moves to the pairing gearshift shifting block 3 of gear that needs selection, realizes the block selecting function.
2) realization of gearshift function:
When block selecting was finished, Fig. 2 was a kind of embodiment's of a kind of electronic gearshift actuator gearshift splined shaft 5 that is used for automatic mechanical transmission provided by the present invention and selector fork 4 motion structure schematic representation; As shown in Figure 2: shift motor 1 is according to the instruction of ECU, just do accordingly or return motion, driving gearshift splined shafts 5 through gearshift speed reducing gear pair 2 is just doing accordingly or return motion, drive selector fork 4 along radially (the just or instead) motion of gearshift splined shafts 5, at this moment, selector fork 4 drives the straight line motion that the selected gearshift shifting block 3 that is connected in the gearshift longitudinal tie is done respective direction, makes continuous gearshift longitudinal tie do corresponding straight line motion, realizes the gearshift function.
Should be noted that at last: only illustrate that in conjunction with the foregoing description 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 make amendment or are equal to replacement the specific embodiment of the present invention, but these modifications or change are all among the claim protection domain that application is awaited the reply.

Claims (4)

1. lead screw type gearshift actuator that is used 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 links to each other 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 the 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 the selector fork (4); On the gearshift shifting block (3) that described selector fork (4) acts on and the longitudinal tie of shifting gears joins.
2. the lead screw type gearshift actuator that is used for automatic mechanical transmission as claimed in claim 1, it is characterized in that, described motor comprises motor (1) that is used to shift gears and the motor (9) that is used for gear selecting, and described motor that is used to shift gears (1) and the motor (9) that is used for gear selecting are called shift motor (1) and gear selecting motor (9) again; Described speed reducing gear pair comprises gearshift speed reducing gear pair (2) and gear selecting speed reducing gear pair (8); Described shift motor (1) links to each other with gear shift splined shaft (5) by shift down gear pair (2); Described gear selecting motor (9) links to each other with gear selecting leading screw (7) by gear selecting speed reducing gear pair (8).
3. the lead screw type gearshift actuator that is used for automatic mechanical transmission as claimed in claim 2 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 one-level speed reducing 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).
4. the lead screw type gearshift actuator that is used for automatic mechanical transmission as claimed in claim 2 is characterized in that described gear selecting motor (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).
CN201110047957.8A 2011-02-28 2011-02-28 Screw type gear shift executing mechanism for mechanical type automatic transmission system Expired - Fee Related CN102207191B (en)

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

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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

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CN102207191A true CN102207191A (en) 2011-10-05
CN102207191B CN102207191B (en) 2014-04-23

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102678913A (en) * 2011-11-22 2012-09-19 河南科技大学 Screw rod gear selecting and gear shifting 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
CN102718163A (en) * 2012-06-21 2012-10-10 无锡市协兴港口机械有限公司 Lifting mechanism for hoist
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
CN103016711A (en) * 2012-12-25 2013-04-03 长城汽车股份有限公司 Gear selecting and shifting actuating mechanism and automatic transmission
CN103112350A (en) * 2011-11-17 2013-05-22 北汽福田汽车股份有限公司 Electric vehicle transmission system and electric vehicle
CN103470753A (en) * 2013-09-29 2013-12-25 长城汽车股份有限公司 ATM speed changer and gear-selecting gear-shifting assembly used for AMT speed changer
CN104482198A (en) * 2014-12-11 2015-04-01 东风汽车公司 Electric control electric AMT (automated mechanical transmission) gear selecting and shifting executing mechanism assembly
CN104595478A (en) * 2015-01-26 2015-05-06 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
CN104696507A (en) * 2015-02-28 2015-06-10 重庆大学 Intelligent gear-shifting robot arm and method for testing gear-shifting performance of speed changer of robot arm
CN108612844A (en) * 2018-07-09 2018-10-02 江阴职业技术学院 A kind of automatic gearshift of manual transmission
WO2019178959A1 (en) * 2018-03-21 2019-09-26 潍柴动力股份有限公司 Gear selection and shifting actuating mechanism and method
CN111089165A (en) * 2020-03-25 2020-05-01 坤泰车辆系统(常州)有限公司 Automatic gear shifting device for transmission
CN113062979A (en) * 2021-03-19 2021-07-02 中国人民解放军陆军装甲兵学院 Full automatically controlled AMT gearshift
CN114922942A (en) * 2022-05-18 2022-08-19 青岛科麟智传汽车科技有限公司 Pure electric integrated form commercial car gearbox

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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 Automobile mechanical transmission electronic control device
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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 Automobile mechanical transmission electronic control device
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

Cited By (27)

* Cited by examiner, † Cited by third party
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
CN103112350A (en) * 2011-11-17 2013-05-22 北汽福田汽车股份有限公司 Electric vehicle transmission system and electric vehicle
CN102678913B (en) * 2011-11-22 2014-10-15 河南科技大学 Screw rod gear selecting and gear shifting mechanism
CN102678913A (en) * 2011-11-22 2012-09-19 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
CN102718163A (en) * 2012-06-21 2012-10-10 无锡市协兴港口机械有限公司 Lifting mechanism for hoist
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
CN103016711A (en) * 2012-12-25 2013-04-03 长城汽车股份有限公司 Gear selecting and shifting actuating mechanism and automatic transmission
CN103470753A (en) * 2013-09-29 2013-12-25 长城汽车股份有限公司 ATM speed changer and gear-selecting gear-shifting assembly used for AMT speed changer
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
CN104482198A (en) * 2014-12-11 2015-04-01 东风汽车公司 Electric control electric AMT (automated mechanical transmission) gear selecting and shifting executing mechanism assembly
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
CN104595478A (en) * 2015-01-26 2015-05-06 吉林大学 Mechanical type automatic transmission gear selecting and shifting actuation mechanism for vehicle
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
CN104696507A (en) * 2015-02-28 2015-06-10 重庆大学 Intelligent gear-shifting robot arm and method for testing gear-shifting performance of speed changer of robot arm
WO2019178959A1 (en) * 2018-03-21 2019-09-26 潍柴动力股份有限公司 Gear selection and shifting actuating mechanism and method
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
CN111089165A (en) * 2020-03-25 2020-05-01 坤泰车辆系统(常州)有限公司 Automatic gear shifting device for transmission
CN113062979A (en) * 2021-03-19 2021-07-02 中国人民解放军陆军装甲兵学院 Full automatically controlled AMT gearshift
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
CN114922942A (en) * 2022-05-18 2022-08-19 青岛科麟智传汽车科技有限公司 Pure electric integrated form commercial car gearbox

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