CN102840975B - Execution mechanism for dry-type dual-clutch automatic transmission rack - Google Patents
Execution mechanism for dry-type dual-clutch automatic transmission rack Download PDFInfo
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- CN102840975B CN102840975B CN201210005657.8A CN201210005657A CN102840975B CN 102840975 B CN102840975 B CN 102840975B CN 201210005657 A CN201210005657 A CN 201210005657A CN 102840975 B CN102840975 B CN 102840975B
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Abstract
The invention relates to an execution mechanism for a dry-type dual-clutch automatic transmission rack. The execution mechanism comprises a test platform (2), a bearing carrier pressure plate (3), a clutch diaphragm spring (5), a clutch separation bearing, a lower support plate (12), a transmission screw (18), a transmission nut (17), a first transmission gear (15), a second transmission gear (1), an upper support plate (19), a drive motor (29) and a displacement amplifying component. Compared with the prior art, the execution mechanism provided by the invention has the advantages of actually simulating the actuation process of a dry-type dual clutch transmission (DCT) to reflect the dynamic characteristics of a clutch execution mechanism of a real vehicle, etc.
Description
Technical field
The present invention relates to a kind of dry dual clutch automatic transmission correlation technique, especially relate to the topworks that a kind of dry dual clutch automatic transmission stand is used.
Background technology
Double-clutch automatic gearbox (DCT) can ensure that shift process power output do not interrupt, and is conducive to improve shift quality.At present DCT clutch actuating mechanism mainly contains ecp, electrically controlled and hydraulically and 3 kinds of versions of electricity powered, and electric controlling and engine driving topworks is the advantage such as response is very fast, simple in structure, transmission efficiency is high, low cost of manufacture owing to having, and is used widely.
Typical electric controlling and engine driving clutch actuating mechanism has two kinds of structures, and one is mainly made up of direct current generator, screw-drive mechanism, spiral power assistant spring, hydraulic gear, diaphragm spring and clutch pressure plate.Wherein screw-drive mechanism adopts the mode that screw rod rotation, nut move, rotatablely moving of motor converted to the rectilinear motion of nut, promote the piston push rod fixed with it by nut again, make hydraulic oil supercharging or decompression in working chamber, thereby release bearing promoted or unclamp the separation finger of diaphragm spring, realizing separation or the joint of clutch pressure plate.But this mechanism structure complexity, accurately controls difficulty larger, due to the existence of Hydraulic Elements, kinematic train precision is reduced.
Another kind mainly comprises DC servo motor, reducing gear and movement conversion mechanism.Reducing gear generally uses one pole cylindrical gear pair, movement conversion mechanism is generally feed screw nut, the major advantage of this mechanism is, by rotatablely moving of motor be converted to clutch separation with in conjunction with needed rectilinear motion, realize compared with big retarding ratio simultaneously, obtain appropriate speed and enough separating forces.But this mechanism also exist cost high, realize the defects such as difficulty is large, control accuracy is lower.
Summary of the invention
Object of the present invention is exactly the topworks that provides a kind of dry dual clutch automatic transmission stand to use in order to overcome the defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions:
The topworks that dry dual clutch automatic transmission stand is used, is characterized in that, comprising:
Test platform;
Stressed carrier platen, this stressed carrier platen is fixed on test platform;
Clutch diaphragm spring, this clutch diaphragm spring is located on stressed carrier platen;
Clutch release bearing, this clutch release bearing drives clutch diaphragm spring motion;
Lower support dish, this lower support dish is fixed on test platform;
Drive screw, this drive screw lower end is fixedly connected with clutch release bearing;
Transmission nut, this transmission nut and drive screw are in transmission connection;
The first transmission gear, this first transmission gear and transmission nut are in transmission connection, and are fixed on lower support dish;
The second transmission gear, this second transmission gear and the first transmission gear are connected with a joggle;
Upper supporting disk, on this, supporting disk is fixed on lower support dish;
Drive motor, this drive motor output terminal and the second transmission gear are in transmission connection, and are fixed on supporting disk;
Displacement amplifier module, this displacement amplifier module is fixed on supporting disk, and is in transmission connection with drive screw.
Described clutch diaphragm spring both sides are provided with the first pressure transducer.
Described lower support dish is fixedly connected with test platform by the first support bar, and the first described support bar is fixed by the first nut through after lower support dish.
Described drive screw the latter half passes and is provided with spring assembly, and this spring assembly comprises spring body, adjusting nut, lower tray and top tray, and described drive screw is successively through top tray, spring body, lower tray and adjusting nut.
Described drive screw bottom is provided with adjustment pad.
The first described transmission gear is connected with transmission nut by key.
Described upper supporting disk is connected with lower support dish by the second support bar, and the second described support bar is fixed by the second nut through after upper supporting disk.
Described displacement amplifier module comprises displacement magnifying arm, right-hand member fixed cell and left end sensing unit, and described right-hand member fixed cell, left end sensing unit are separately fixed at two ends, displacement magnifying arm left and right.
Described right-hand member fixed cell comprises supporter, the first fastening bolt, web member and the second fastening bolt, described supporter is fixed on upper supporting disk by the first fastening bolt, described supporter is connected with web member by the second fastening bolt, and described web member is connected with displacement magnifying arm.
Described left end sensing unit comprises back up pad, displacement transducer and the 3rd fastening bolt, described back up pad is fixed on upper supporting disk by the 3rd fastening bolt, described displacement transducer one end is fixed in back up pad, and the other end is fixed on displacement magnifying arm.
Compared with prior art, the present invention has the start process of simulating truly dry type DCT double clutch, to reflect the dynamic perfromance of real vehicle clutch actuating mechanism, and the especially non-line relation between diaphragm spring pressure and travel of clutch.
Brief description of the drawings
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
Fig. 3 is the main TV structure schematic diagram of displacement amplifier module of the present invention;
Fig. 4 is the right TV structure schematic diagram of displacement amplifier module of the present invention;
Fig. 5 is the C-C direction cut-open view of Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As Figure 1-Figure 5, the topworks that a kind of dry dual clutch automatic transmission stand is used, comprising:
Test platform 2; Stressed carrier platen 3, this stressed carrier platen 3 is fixed on test platform 2;
Clutch diaphragm spring 5, this clutch diaphragm spring 5 is located on stressed carrier platen 3;
Clutch release bearing, this clutch release bearing drives clutch diaphragm spring 5 to move;
Lower support dish 12, this lower support dish 12 is fixed on test platform 2;
Drive screw 18, these drive screw 18 lower ends are fixedly connected with clutch release bearing;
Transmission nut 17, this transmission nut and drive screw 18 are in transmission connection;
The first transmission gear 15, this first transmission gear 15 is in transmission connection with transmission nut 17, and is fixed on lower support dish 12;
The second transmission gear 1, this second transmission gear 1 and the first transmission gear 15 are connected with a joggle;
Upper supporting disk 19, on this, supporting disk 19 is fixed on lower support dish 12;
Drive motor 29, this drive motor output terminal and the second transmission gear 1 are in transmission connection, and are fixed on supporting disk 19; Displacement amplifier module, this displacement amplifier module is fixed on supporting disk 19, and is in transmission connection with drive screw 18.
Described clutch diaphragm spring 5 both sides are provided with the first pressure transducer 4.Described lower support dish 12 is fixedly connected with test platform 2 by the first support bar 7, and the first described support bar 7 is rear fixing by the first nut 13 through lower support dish 12.
Described drive screw 18 the latter halfs pass and are provided with spring assembly, this spring assembly comprises spring body 10, adjusting nut 8, lower tray 9 and top tray 11, and described drive screw 18 is successively through top tray 11, spring body 10, lower tray 9 and adjusting nut 8.Described drive screw 18 bottoms are provided with adjusts pad 6.
The first described transmission gear 15 is connected with transmission nut 17 by key 16.Described upper supporting disk 19 is connected with lower support dish 12 by the second support bar 14, and the second described support bar 14 is rear fixing by the second nut 20 through upper supporting disk 19.
Described displacement amplifier module comprises displacement magnifying arm 25, right-hand member fixed cell and left end sensing unit, and described right-hand member fixed cell, left end sensing unit is separately fixed at displacement magnifying arm 25 two ends, left and right.Described right-hand member fixed cell comprises supporter 21, the first fastening bolt 22, web member 23 and the second fastening bolt 24, described supporter 21 is fixed on upper supporting disk 19 by the first fastening bolt 22, described supporter 21 is connected with web member 23 by the second fastening bolt 24, and described web member 23 is connected with displacement magnifying arm 25.Described left end sensing unit comprises back up pad 26, displacement transducer 27 and the 3rd fastening bolt 28, described back up pad 26 is fixed on upper supporting disk 19 by the 3rd fastening bolt 28, described displacement transducer 27 one end are fixed in back up pad 26, and the other end is fixed on displacement magnifying arm 25.
Direct-drive motor 29 is exported for power; The second transmission gear 1, the first transmission gear 15, form a pair of cylindrical gear pair, obtains larger reduction gear ratio, turns round to realize slowing down to increase; Transmission nut 15, drive screw 18, form a pair of nut-screw pair, transfers rotatablely moving of screw rod to rectilinear motion for nut; Spring body 10, puts on clutch release bearing by the acting force of nut transmission; Clutch release bearing is fixed on spring body 10 lower ends, and the to-and-fro movement by release bearing promotes or unclamps stressed carrier platen 3; Adjusting nut 8, for adjusting the initial position of spring body 10, to regulate the working point of diaphragm spring; Adjust pad 6, the power of spring body 10 is passed to the separation of clutch diaphragm spring 5.
When work, direct-drive motor 29 drives transmission nut rotation after slowing down by a pair of cylindrical gear pair, and worm drive are converted into rotatablely moving of transmission nut the straight reciprocating motion of drive screw again.Drive screw lower end is fixed wtih clutch release bearing, by the to-and-fro movement promotion of release bearing or the separation of loosen the clutch diaphragm spring 5, to regulate lift and the large end pressure of clutch pressure plate, thereby make clutch coupling be operated in the different conditions that separates or engage.Arrange based on above principle and mechanism, just can simulate comparatively truly the start process of dry type DCT double clutch, to reflect the dynamic perfromance of real vehicle clutch actuating mechanism, the especially non-line relation between diaphragm spring pressure and travel of clutch.
Claims (8)
1. the topworks that dry dual clutch automatic transmission stand is used, is characterized in that, comprising:
Test platform (2);
Stressed carrier platen (3), this stressed carrier platen (3) is fixed on test platform;
Clutch diaphragm spring (5), this clutch diaphragm spring (5) is located on stressed carrier platen (3);
Clutch release bearing, this clutch release bearing drives clutch diaphragm spring (5) motion;
Lower support dish (12), this lower support dish (12) is fixed on test platform (2);
Drive screw (18), this drive screw (18) lower end is fixedly connected with clutch release bearing;
Transmission nut (17), this transmission nut and drive screw (18) are in transmission connection;
The first transmission gear (15), this first transmission gear (15) is in transmission connection with transmission nut (17), and is fixed on lower support dish (12);
The second transmission gear (1), this second transmission gear (1) is connected with a joggle with the first transmission gear (15);
Upper supporting disk (19), supporting disk on this (19) is fixed on lower support dish (12);
Drive motor (29), this drive motor output terminal and the second transmission gear (1) are in transmission connection, and are fixed on supporting disk (19);
Displacement amplifier module, it is upper that this displacement amplifier module is fixed on supporting disk (19), and be in transmission connection with drive screw (18);
Described clutch diaphragm spring (5) both sides are provided with the first pressure transducer (4);
Described displacement amplifier module comprises displacement magnifying arm (25), right-hand member fixed cell and left end sensing unit, and described right-hand member fixed cell, left end sensing unit is separately fixed at displacement magnifying arm (25) two ends, left and right.
2. the topworks that a kind of dry dual clutch automatic transmission stand according to claim 1 is used, it is characterized in that, described lower support dish (12) is fixedly connected with test platform (2) by the first support bar (7), and described the first support bar (7) is through fixing by the first nut (13) after lower support dish (12).
3. the topworks that a kind of dry dual clutch automatic transmission stand according to claim 1 is used, it is characterized in that, described drive screw (18) the latter half passes and is provided with spring assembly, this spring assembly comprises spring body (10), adjusting nut (8), lower tray (9) and top tray (11), and described drive screw (18) is successively through top tray (11), spring body (10), lower tray (9) and adjusting nut (8).
4. the topworks that a kind of dry dual clutch automatic transmission stand according to claim 1 is used, is characterized in that, described drive screw (18) bottom is provided with adjusts pad (6).
5. the topworks that a kind of dry dual clutch automatic transmission stand according to claim 1 is used, is characterized in that, described the first transmission gear (15) is connected with transmission nut (17) by key (16).
6. the topworks that a kind of dry dual clutch automatic transmission stand according to claim 1 is used, it is characterized in that, described upper supporting disk (19) is connected with lower support dish (12) by the second support bar (14), and described the second support bar (14) is through fixing by the second nut (20) after upper supporting disk (19).
7. the topworks that a kind of dry dual clutch automatic transmission stand according to claim 1 is used, it is characterized in that, described right-hand member fixed cell comprises supporter (21), the first fastening bolt (22), web member (23) and the second fastening bolt (24), described supporter (21) is fixed on upper supporting disk (19) by the first fastening bolt (22), described supporter (21) is connected with web member (23) by the second fastening bolt (24), described web member (23) is connected with displacement magnifying arm (25).
8. the topworks that a kind of dry dual clutch automatic transmission stand according to claim 1 is used, it is characterized in that, described left end sensing unit comprises back up pad (26), displacement transducer (27) and the 3rd fastening bolt (28), described back up pad (26) is fixed on upper supporting disk (19) by the 3rd fastening bolt (28), it is upper that described displacement transducer (27) one end is fixed on back up pad (26), and the other end is fixed on displacement magnifying arm (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210005657.8A CN102840975B (en) | 2012-01-10 | 2012-01-10 | Execution mechanism for dry-type dual-clutch automatic transmission rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210005657.8A CN102840975B (en) | 2012-01-10 | 2012-01-10 | Execution mechanism for dry-type dual-clutch automatic transmission rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102840975A CN102840975A (en) | 2012-12-26 |
| CN102840975B true CN102840975B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210005657.8A Active CN102840975B (en) | 2012-01-10 | 2012-01-10 | Execution mechanism for dry-type dual-clutch automatic transmission rack |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900814B (en) * | 2014-04-30 | 2016-02-10 | 湖北三环离合器有限公司 | Dual dry clutch multifunctional integrated experimental bench |
| CN109883730B (en) * | 2019-03-21 | 2023-11-28 | 浙江铁流离合器股份有限公司 | Diaphragm spring service life detection machine and detection method for automobile clutch |
| CN111810600A (en) * | 2020-08-18 | 2020-10-23 | 广州艾可米汽车科技股份有限公司 | Diaphragm spring type continuously variable transmission |
Citations (4)
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|---|---|---|---|---|
| US5680916A (en) * | 1994-09-22 | 1997-10-28 | Fichtel & Sachs Ag | Motor vehicle clutch assembly having a hydraulic actuator which hydraulic actuator has a transmission |
| CN101561018A (en) * | 2009-05-27 | 2009-10-21 | 上海交通大学 | Electric actuator for normally open clutch |
| CN101852255A (en) * | 2010-05-21 | 2010-10-06 | 北京工业大学 | Electric operator for general-purpose mechanical automatic transmission clutch |
| CN102187107A (en) * | 2008-10-16 | 2011-09-14 | 舍弗勒技术两合公司 | Double clutch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10331927B3 (en) * | 2003-07-15 | 2005-02-17 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | clutch actuator |
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2012
- 2012-01-10 CN CN201210005657.8A patent/CN102840975B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5680916A (en) * | 1994-09-22 | 1997-10-28 | Fichtel & Sachs Ag | Motor vehicle clutch assembly having a hydraulic actuator which hydraulic actuator has a transmission |
| CN102187107A (en) * | 2008-10-16 | 2011-09-14 | 舍弗勒技术两合公司 | Double clutch |
| CN101561018A (en) * | 2009-05-27 | 2009-10-21 | 上海交通大学 | Electric actuator for normally open clutch |
| CN101852255A (en) * | 2010-05-21 | 2010-10-06 | 北京工业大学 | Electric operator for general-purpose mechanical automatic transmission clutch |
Non-Patent Citations (6)
| Title |
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| 刘飞.干式双离合器自动变速器结构设计与研究.《中国优秀硕士论文全文数据库》.2011,(第4期),正文第2.6.1节. * |
| 姚琳.微车自动离合器电子控制单元研究及其应用.《万方学位论文》.2011,正文第2.3.1节. * |
| 干式DCT单离合器执行机构变结构伺服控制;眭加彩等;《电气技术》;20111231;全文 * |
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