CN201443587U - Gear selecting and shifting actuator of automatic speed changer - Google Patents
Gear selecting and shifting actuator of automatic speed changer Download PDFInfo
- Publication number
- CN201443587U CN201443587U CN2008200728860U CN200820072886U CN201443587U CN 201443587 U CN201443587 U CN 201443587U CN 2008200728860 U CN2008200728860 U CN 2008200728860U CN 200820072886 U CN200820072886 U CN 200820072886U CN 201443587 U CN201443587 U CN 201443587U
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- gearshift
- worm gear
- gear
- gland
- driven disc
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Abstract
The utility model discloses a gear selecting and shifting actuator of an automatic speed changer, which is characterized by comprising buffer springs, a buffer driven disk, a check ring and a gland, wherein a gear shifting worm gear is contacted with the buffer driven disk in an axial plane; the buffer driven disk is provided with a plurality of concave cambered surface notches on the same circumference of the end surface; the gear shifting worm gear and the gland are provided with a plurality of paired convex cambered surface groove sockets corresponding to the notches of the buffer driven disk; the buffer springs are arranged inside the notches and the groove sockets; the end surface of the spring is acted on the gear shifting worm gear, the gland and the buffer driven plate; a sliding bearing is arranged between the gear shifting worm gear and a gear shifting gear shaft; the gear shifting gear shaft is arranged in an inner hole of the buffer driven disk in a way of preventing relative rotation; and the gear shifting gear shaft conducts axial ring checking and limiting. The gear selecting and shifting actuator can shorten the gear shifting time, have better gear shifting comfort, and smooth transmission during gear shifting process, reduce instantaneous overload of a motor, prevent the motor from overheating, prolong the life of the motor, reduce the manufacturing cost, reduce the risk of failure, improve the life of assembly, and realize protection for the actuator and a gearbox.
Description
Technical field
The utility model relates to a kind of improvement of shift-selecting and changing actuating mechanism, particularly discloses a kind of shift-selecting and changing actuating mechanism for automatic speed transmission, has gearshift buffering spring function, belongs to the vehicle transmission technical field.
Background technique
The automobile electric control mechanical type shift-selecting and changing actuating mechanism is the important component part of automobile AMT, and it by the driving of block selecting motor and shift motor, realizes that operation is stirred in block selecting, the gearshift to the traditional mechanical speed changer according to control logic.
Known hydraulic cushion control valve, electric-hydraulic proportion pressure control, pulse width modulation solenoid valve is pressure controlled is to be different from gearshift buffer control method of the present invention
The shift-selecting and changing actuating mechanism for automatic speed transmission of existing installation gearshift buffering elastic device, its gearshift buffering elastic device is made up of driving disc, driven disc, spring, gland.The gearshift worm gear of shift-selecting and changing actuating mechanism for automatic speed transmission connects the buffering elastic device by involute splines, the buffering elastic device drives power shift gear by involute splines again, shift process is located, guide mechanism is many, transmission part is many, complex structure, increased the shift-selecting and changing actuating mechanism for automatic speed transmission manufacture cost, and gearshift buffering elastic device axial dimension is big, it is steady that transmission is owed, motor has momentary overload situation, motor overheated for a long time, shortcoming such as have that electric quantity consumption is big, motor working life is low.
Summary of the invention
Problems such as the utility model discloses a kind of shift-selecting and changing actuating mechanism for automatic speed transmission of tool damping device, solve existing shift-selecting and changing actuating mechanism transmission and owe steadily, motor has momentary overload, motor overheating, and motor working life is low.
The utility model comprises block selecting worm gear, block selecting worm screw, block selecting refer to, shift gears worm gear, gearshift worm screw, power shift gear axle, gearshift tooth fan, gearshift guide shaft, gearshift fork, it is characterized in that also comprising damping spring, buffering driven disc, back-up ring, gland.The gearshift worm gear with cushion that axial plane contacts between the driven disc, the buffering driven disc has several notches on the same circumference of end face, gearshift worm gear and gland lay respectively at the both sides of buffering driven disc, gearshift worm gear and gland have fastening structure, the gearshift worm gear is respectively opened several pairing groove nests with gland and buffering driven disc on identical radius notch position, damping spring is installed in the notch and gearshift worm gear and gland groove nest of buffering driven disc; Damping spring is end-acted on gearshift worm gear, gland and buffering driven disc; Between gearshift worm gear and the power shift gear axle sliding bearing is installed, the power shift gear axle is installed on buffering driven disc endoporus, and the power shift gear axle is to prevent cooperating structure in relative rotation with buffering driven disc inner hole structure, and the power shift gear axle axially uses back-up ring spacing.
4 of damping spring end faces compress, and the damping spring one end face outside a bit acts on the gearshift worm gear, another point of the damping spring one end face outside acts on the gland, and 2 in the outside, damping spring other end acts on the buffering driven disc.
The groove nest of the utility model gearshift worm gear, gland and the notch of buffering driven disc and the fitting surface of damping spring all adopt cambered surface, gearshift worm gear, the groove nest of gland and the fitting surface of damping spring are convex globoidal, the notch of buffering driven disc and the fitting surface of damping spring are concave arc surface, the end-face friction during with the minimizing length of spring compressed and the radial-play and the bending of spring.
The utility model gearshift worm gear and gland have the tenon fourth of the twelve Earthly Branches or fastening structures such as riveted joint or interference or welding or bolton.Power shift gear axle and buffering driven disc inner hole structure are square hole shape, non-circular anti-rotation cooperating structure such as arc.
When the block selecting motor rotates, block selecting worm screw and block selecting worm gear engagement driving, the block selecting of block selecting worm gear drives refers to that block selecting refers to drive the gearshift guide shaft and axially moves up and down, the gearshift guide shaft drives the gearshift fork and realizes the block selecting operation.
When shift motor rotates, gearshift worm screw and gearshift worm gear engagement driving, gearshift worm gear and gland compress damping spring together, damping spring promotes the buffering driven disc, the buffering driven disc drives the power shift gear axle, the power shift gear axle drives gearshift tooth fan, and gearshift tooth fan drives the gearshift guide shaft and rotates, and the gearshift guide shaft drives the gearshift fork and realizes gear shift operation.
When the gearshift load was big, gearshift worm gear and gland rotated with respect to the buffering driven disc together, and gearshift worm gear and gland compression damping spring can be avoided the increase of instantaneous impact; When simultaneously damping spring is compressed, about damping spring one end 2 damping spring rolls on convex surface respectively on the same radius of gearshift worm gear, gland, it is constant with buffer centre distance that the spring center line keeps; The damping spring other end up and down 2 act on the buffering driven disc concaved circular cambered surface on, when shift gears worm gear and gland rotate with respect to the buffering driven disc together, the damping spring other end up and down 2 in concave arc surface, slide, both ends of the surface are still parallel when so just having guaranteed that damping spring is compressed, and its center line and buffer centre distance are constant.Realize that slow moment of torsion and relative rotation two parameters have linear relationship.
Good effect of the present utility model is: the rapid incoming terminal position by discharging elastic energy, can shorten the gearshift time.By the gearshift power work of design in advance, tool is shifting comfort preferably.Block selecting process stable drive reduces the motor momentary overload, prevents motor overheating, improves motor working life, and the frictional force of effectively avoiding material to cause because of temperature distortion improves mechanical efficiency.Reduce the manufacturing expense of part and be reduced to the cooperation that connects and increase, reduce failure risk, improve assembly working life, realize the protection of actuator and gearbox.
Description of drawings
Fig. 1 is the utility model shift-selecting and changing actuating mechanism for automatic speed transmission structural representation;
Fig. 2 is the damping device three-dimensional exploded view of the utility model shift-selecting and changing actuating mechanism for automatic speed transmission;
Fig. 3 is the three-dimensional sectional view of the damping device of the utility model shift-selecting and changing actuating mechanism for automatic speed transmission;
Fig. 4 is the gearshift worm gear worm's eye view of the utility model shift-selecting and changing actuating mechanism for automatic speed transmission;
Fig. 5 is the buffering driven disc plan view of the utility model shift-selecting and changing actuating mechanism for automatic speed transmission;
Fig. 6 is the damping device spring installment state figure of the utility model shift-selecting and changing actuating mechanism for automatic speed transmission;
Fig. 7 is the damping device length of spring compressed phase diagram of the utility model shift-selecting and changing actuating mechanism for automatic speed transmission.
Among the figure: 1 gearshift worm gear, 2 back-up rings, 3 buffering driven discs, 4 damping springs, 5 glands, 6 power shift gear axles, 7 sliding bearings, 8 block selecting worm gears, 9 block selectings refer to, 10 gearshift tooth fans, 11 block selecting worm screws, 12 gearshift guide shafts, 13 are shifted gears forks.
Embodiment
Below be an embodiment of the present utility model.
As shown in Figure 1: the utility model comprises that block selecting worm gear 8, block selecting worm screw 11, block selecting refer to 9, gearshift worm gear 1, gearshift worm screw, power shift gear axle 6, gearshift tooth fan 10, gearshift guide shaft 12, gearshift fork 13, it is characterized in that also comprising damping spring 4, buffering driven disc 3, back-up ring 2, gland 5.
As Fig. 2, Fig. 3, Fig. 4, shown in Figure 5: gearshift worm gear 1 with cushion that axial plane contacts between the driven disc 3; Buffering driven disc 3 has four notches on the same circumference of end face, gearshift worm gear 1 is respectively opened four pairing groove nests with gland 5 and buffering driven disc 3 on identical radius notch position; The notch of the groove nest of gearshift worm gear 1, gland 5 and buffering driven disc 3 and the fitting surface of damping spring 4 all adopt cambered surface, gearshift worm gear 1, the groove nest of gland 5 and the fitting surface of damping spring 4 are convex globoidal 1a, and the notch of buffering driven disc 3 and the fitting surface of damping spring 4 are concave arc surface 3a; Damping spring 4 is installed in the notch and gearshift worm gear 1 and gland 5 groove nests of buffering driven disc 3; Gearshift worm gear 1 lays respectively at the both sides of cushioning driven disc 3 with gland 5; Gearshift worm gear 1 has four tenons, gland 5 have four with gearshift worm gear 1 on the corresponding mortise of tenon, four tenons of gearshift worm gear 1 are pressed into 5 four corresponding mortises of gland, gearshift worm gear 1 and gland 5 tighten together.4 of damping spring 4 end faces compress, and 1 4a in the damping spring one end face outside acts on the gearshift worm gear 1, another 4b of the damping spring 4 one end faces outside acts on the gland 5, and 2 4c in the outside, damping spring 4 other ends and 4d act on the buffering driven disc 3.
As shown in Figure 1: sliding bearing 7 is installed between gearshift worm gear 1 and the power shift gear axle 6.
As shown in Figure 2: power shift gear axle 6 is installed on buffering driven disc 3 endoporus, and power shift gear axle 6 is that square hole shape prevents cooperating structure in relative rotation with buffering driven disc 3 inner hole structures; Power shift gear axle 6 is axially spacing with back-up ring 2.
As shown in Figure 1: when the block selecting motor rotates, block selecting worm screw 11 and block selecting worm gear 8 engagement driving, block selecting worm gear 8 drives block selecting and refers to 9, and block selecting refers to that 9 driving gearshift guide shafts 12 axially move up and down, and gearshift guide shaft 12 drives the 13 realization block selecting operations of gearshift fork.
As Fig. 1, Fig. 2, shown in Figure 6: when shift motor rotates, gearshift worm screw and gearshift worm gear 1 engagement driving, gearshift worm gear 1 and gland 5 compress damping spring 4 together, damping spring 4 promotes buffering driven disc 3, buffering driven disc 3 drives power shift gear axle 6, power shift gear axle 6 drives gearshift tooth fan 10, and gearshift tooth fan 10 drives gearshift guide shaft 12 and rotates, and gearshift guide shaft 12 drives gearshift fork 13 and realizes gear shift operation.
As Fig. 1, Fig. 2, shown in Figure 7: when the gearshift load was big, gearshift worm gear 1 and gland 5 rotated with respect to buffering driven disc 3 together, and gearshift worm gear 1 and gland 5 compression damping springs 4 can be avoided the increase of instantaneous impact; When simultaneously damping spring 4 is compressed, about damping spring 4 one ends 2 damping spring rolls on convex surface respectively on the same radius of gearshift worm gear, gland, it is constant with buffer centre distance that the spring center line keeps; Damping spring 4 other ends up and down 2 act on the buffering driven disc 3 concaved circular cambered surface on, when shift gears worm gear 1 and gland 5 rotate with respect to buffering driven disc 3 together, damping spring 4 other ends up and down 2 in concave arc surface, slide, both ends of the surface are still parallel when so just having guaranteed that damping spring 4 is compressed, and its center line and buffer centre distance are constant.Realize that slow moment of torsion has linear relationship with relative two parameters of delivering.
As Fig. 4, shown in Figure 5: the notch of the groove nest of gearshift worm gear 1, gland 5 and buffering driven disc 3 all adopts cambered surface with the fitting surface of damping spring 4, the end-face friction during the minimizing length of spring compressed and the radial-play and the bending of spring.
For the utility model is not limited to above-mentioned linkage structure, gearshift worm gear and gland have any fastening structure such as riveted joint or interference or welding or bolton etc., power shift gear axle and cushion any non-circular anti-rotation cooperating structures such as the driven disc endoporus is arc and also fall into protection domain of the present utility model.
Claims (5)
1. shift-selecting and changing actuating mechanism for automatic speed transmission; Comprise the block selecting worm gear, the block selecting worm screw, block selecting refers to, the gearshift worm gear, the gearshift worm screw, the power shift gear axle, gearshift tooth fan, the gearshift guide shaft, the gearshift fork, it is characterized in that also comprising damping spring, the buffering driven disc, back-up ring, gland, the gearshift worm gear with cushion that axial plane contacts between the driven disc, the buffering driven disc has several notches on the same circumference of end face, gearshift worm gear and gland lay respectively at the both sides of buffering driven disc, gearshift worm gear and gland have fastening structure, the gearshift worm gear is respectively opened several pairing groove nests with gland and buffering driven disc end face on identical radius notch position, damping spring is installed in the notch and gearshift worm gear and gland groove nest of buffering driven disc; Damping spring is end-acted on gearshift worm gear, gland and buffering driven disc; Gearshift worm gear and power shift gear axle are slidingly matched, and the power shift gear axle is installed on buffering driven disc endoporus, and the power shift gear axle is to prevent cooperating structure in relative rotation with buffering driven disc inner hole structure; Back-up ring is installed on the power shift gear axle, and the power shift gear axle axially uses back-up ring spacing.
2. shift-selecting and changing actuating mechanism for automatic speed transmission according to claim 1, it is characterized in that: the groove nest of gearshift worm gear, gland and the notch of buffering driven disc and the fitting surface of damping spring all adopt cambered surface, gearshift worm gear, the groove nest of gland and the fitting surface of damping spring are convex globoidal, and the notch of buffering driven disc and the fitting surface of damping spring are concave arc surface.
3. shift-selecting and changing actuating mechanism for automatic speed transmission according to claim 1, it is characterized in that 4 of damping spring end faces compress, the damping spring one end face outside a bit acts on the gearshift worm gear, another point of the damping spring one end face outside acts on the gland, and 2 in the outside, damping spring other end acts on the buffering driven disc.
4. shift-selecting and changing actuating mechanism for automatic speed transmission according to claim 1; It is characterized in that: gearshift worm gear and gland have the tenon fourth of the twelve Earthly Branches or riveted joint or interference or welding or bolton linkage structure.
5. shift-selecting and changing actuating mechanism for automatic speed transmission according to claim 1 is characterized in that: between gearshift worm gear and the power shift gear axle sliding bearing is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008200728860U CN201443587U (en) | 2008-12-10 | 2008-12-10 | Gear selecting and shifting actuator of automatic speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008200728860U CN201443587U (en) | 2008-12-10 | 2008-12-10 | Gear selecting and shifting actuator of automatic speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201443587U true CN201443587U (en) | 2010-04-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008200728860U Expired - Fee Related CN201443587U (en) | 2008-12-10 | 2008-12-10 | Gear selecting and shifting actuator of automatic speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201443587U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979900A (en) * | 2010-11-09 | 2011-02-23 | 中国第一汽车集团公司 | Motor-driven gear selection and shifting actuator |
| CN103104672A (en) * | 2013-02-18 | 2013-05-15 | 浙江澳翔自控科技有限公司 | Electric actuator overload protection mechanism |
| CN103225686A (en) * | 2013-04-08 | 2013-07-31 | 无锡金田元丰科技股份有限公司 | Gear-shifting operating mechanism of automatic transmission |
| CN104265874A (en) * | 2014-09-30 | 2015-01-07 | 东风汽车公司 | Gear shifting control device of electronic control actuator |
| CN105090342A (en) * | 2015-09-06 | 2015-11-25 | 重庆钟华机械有限责任公司 | Torsion shock absorber assembly |
| CN105090476A (en) * | 2015-09-06 | 2015-11-25 | 重庆钟华机械有限责任公司 | Gear shifting guide shaft mechanism preventing gear shifting worm wheel shaft gear from losing efficacy after gear shifting worm wheel shaft gear is abraded |
| CN105090475A (en) * | 2015-09-06 | 2015-11-25 | 重庆钟华机械有限责任公司 | Damper capable of being assembled and disassembled quickly |
| CN105090477A (en) * | 2015-09-06 | 2015-11-25 | 重庆钟华机械有限责任公司 | Gear shifting guide shaft assembly of automatic transmission |
| CN105090491A (en) * | 2015-09-06 | 2015-11-25 | 重庆钟华机械有限责任公司 | Gear shifting mechanism special for automatic transmission |
| CN105114618A (en) * | 2015-09-06 | 2015-12-02 | 重庆钟华机械有限责任公司 | Gearshift guide assembly having clearance compensation function |
| CN105134931A (en) * | 2015-09-06 | 2015-12-09 | 重庆钟华机械有限责任公司 | Shock absorber for gear-shifting guide shaft assembly |
| CN105593577A (en) * | 2014-08-11 | 2016-05-18 | 铃木株式会社 | Automatic transmission |
| CN107191589A (en) * | 2017-07-25 | 2017-09-22 | 金陵科技学院 | A kind of machine driving is with blind multi-turn helical flute resiliency compressible torque damper |
-
2008
- 2008-12-10 CN CN2008200728860U patent/CN201443587U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979900A (en) * | 2010-11-09 | 2011-02-23 | 中国第一汽车集团公司 | Motor-driven gear selection and shifting actuator |
| CN103104672A (en) * | 2013-02-18 | 2013-05-15 | 浙江澳翔自控科技有限公司 | Electric actuator overload protection mechanism |
| CN103104672B (en) * | 2013-02-18 | 2015-04-22 | 浙江澳翔自控科技有限公司 | Electric actuator overload protection mechanism |
| CN103225686A (en) * | 2013-04-08 | 2013-07-31 | 无锡金田元丰科技股份有限公司 | Gear-shifting operating mechanism of automatic transmission |
| CN103225686B (en) * | 2013-04-08 | 2015-06-17 | 无锡金田元丰科技股份有限公司 | Gear-shifting operating mechanism of automatic transmission |
| CN105593577A (en) * | 2014-08-11 | 2016-05-18 | 铃木株式会社 | Automatic transmission |
| CN104265874A (en) * | 2014-09-30 | 2015-01-07 | 东风汽车公司 | Gear shifting control device of electronic control actuator |
| CN105090342A (en) * | 2015-09-06 | 2015-11-25 | 重庆钟华机械有限责任公司 | Torsion shock absorber assembly |
| CN105090475A (en) * | 2015-09-06 | 2015-11-25 | 重庆钟华机械有限责任公司 | Damper capable of being assembled and disassembled quickly |
| CN105090477A (en) * | 2015-09-06 | 2015-11-25 | 重庆钟华机械有限责任公司 | Gear shifting guide shaft assembly of automatic transmission |
| CN105090491A (en) * | 2015-09-06 | 2015-11-25 | 重庆钟华机械有限责任公司 | Gear shifting mechanism special for automatic transmission |
| CN105114618A (en) * | 2015-09-06 | 2015-12-02 | 重庆钟华机械有限责任公司 | Gearshift guide assembly having clearance compensation function |
| CN105134931A (en) * | 2015-09-06 | 2015-12-09 | 重庆钟华机械有限责任公司 | Shock absorber for gear-shifting guide shaft assembly |
| CN105090476A (en) * | 2015-09-06 | 2015-11-25 | 重庆钟华机械有限责任公司 | Gear shifting guide shaft mechanism preventing gear shifting worm wheel shaft gear from losing efficacy after gear shifting worm wheel shaft gear is abraded |
| CN107191589A (en) * | 2017-07-25 | 2017-09-22 | 金陵科技学院 | A kind of machine driving is with blind multi-turn helical flute resiliency compressible torque damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Dongfeng Street 130011 Jilin province Changchun Automobile City Economic and Technological Development Zone No. 777 Patentee after: Fawer Automotive Parts Limited Company Address before: 130033, Shenzhen street, Changchun, Jilin Province, No. 245 Patentee before: Fawer Automotive Parts Limited Company |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100428 Termination date: 20171210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |