CN107255161B - Damping extensible blind spiral groove torsion buffer transmission device - Google Patents
Damping extensible blind spiral groove torsion buffer transmission device Download PDFInfo
- Publication number
- CN107255161B CN107255161B CN201710664476.9A CN201710664476A CN107255161B CN 107255161 B CN107255161 B CN 107255161B CN 201710664476 A CN201710664476 A CN 201710664476A CN 107255161 B CN107255161 B CN 107255161B
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- spiral
- clockwork spring
- coil structure
- spiral coil
- spiral disk
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
Abstract
The utility model provides an expanded blind spiral groove of damping twists reverse buffering transmission, installs first spiral disk structure and second spiral disk structure in the hole, output support is between first spiral disk structure and second spiral disk structure, and the axle passes first spiral disk structure and second spiral disk structure and output support mid-mounting hole, and the curb plate of output support both sides respectively overlaps and is equipped with a sliding support, and the guide passes the power round pin and passes sliding support, and the guide passes power round pin both ends respectively in the spiral groove that corresponds first spiral disk structure and second spiral disk structure, all install clockwork spring structure in the mounting hole at first spiral disk structure and second spiral disk structure middle part, and the installation axle passes the clockwork spring structure that corresponds the spiral disk in the clockwork spring. The invention can effectively reduce vibration, gear shifting impact and gear shifting abnormal sound, and the installation structure of the inner ring of the clockwork spring adopts a wave shape, thereby being suitable for various transmissions for automobiles, electric automobiles, ships, aircrafts and various speed change mechanical transmissions for industrial and mining.
Description
Technical Field
The invention relates to the field of mechanical transmission, is used in occasions needing reducing impact in the transmission gear shifting process, is particularly suitable for gear transmission of stepped transmissions of internal combustion engines, new energy vehicles, ships and aircrafts, buffer transmission of clutch output shafts, buffer transmission of double-clutch automatic transmissions, output shafts or two-gear transmission of hydraulic torque converters of hydraulic mechanical automatic transmissions, input shafts or two-gear transmission of electric control mechanical automatic transmissions, starting buffer of vehicle stepless transmissions, speed change mechanical transmission of industrial and mining machinery, agricultural machinery ships and aircrafts, and is also suitable for mechanical transmission control mechanisms, in particular to a damping and extensible blind thread groove torsion buffer transmission device.
Background
In order to reduce oil consumption, the high-speed electric automobile is provided with a stepped speed changer, and because the rotor of the motor has large rotational inertia and is not separated from the rotor of the motor when in gear shifting, impact and gear shifting abnormal sound exist during gear shifting; when the first gear and the second gear of an automobile are shifted after starting, passengers often feel jerky feeling, particularly when the automobile is used for urban buses, the feeling is more obvious, the shock is caused by large change of the transmission ratio of the first gear and the second gear, and a shock absorber and a hydraulic torque converter of the automobile are not capable of well relieving the shock, so that the discomfort of the passengers is caused, a short-term high torque value is caused to a transmission system, and the shock is caused to gears, transmission shafts and other control elements in the transmission system, so that the abrasion of the elements is aggravated, and even the breakage of the teeth or the transmission shafts is caused; when an automobile provided with the automobile continuously variable transmission starts, special mechanisms such as a hydraulic torque converter and a planetary gear combined friction clutch are needed, the working condition that the automobile is transmitted from rest to the maximum transmission ratio is realized, the starting auxiliary mechanism is complex, if the structure of the starting auxiliary mechanism can be simplified, the starting auxiliary mechanism can stably realize, and the automobile has a good prospect; the friction heating of the clutch is more when an automobile provided with a double-clutch automatic transmission (abbreviated as DTC or DSG) is shifted, and the device is arranged on one shaft or two shafts, so that the friction heating can be effectively reduced; in order to improve the efficiency, the electric automobile is generally provided with a 2-3-gear mechanical transmission, so that the impact is large during gear shifting, and the impact can be effectively reduced by the system; in consideration of this impact, a safety factor needs to be increased in design, so that the size of the gear and the transmission shaft is increased or a special hot working process is required, resulting in an increase in weight of components and an increase in cost. The spring is a spring with a spiral line in a plane, the spring is a spring with a plane spiral wound by a material, one end of the spring is fixed, the other end of the spring is subjected to bending moment after acting torque, and the bending elastic deformation is generated; although the existing spring can provide large torque, if a single spring provides large torque, the manufacturing and installation are difficult, the torque of 300N ∙ m is commonly used on automobiles, one spring provides the large torque, and two main springs are arranged on one side, so that the stress of a transmission pin is large, and higher requirements are provided for the support of the transmission pin, therefore, two blind spiral groove disc structures are adopted, and the system can meet the occasions with larger transmission torque.
Disclosure of Invention
In order to solve the existing problems, the invention provides a damping expandable blind spiral groove torsion buffer transmission device, one side of which is provided with two spiral springs which can effectively reduce vibration and the blind spiral groove discs at two sides are provided, the spiral springs can be installed in pairs to expand the transmission torque value, in addition, the installation structure of the inner ring of the spiral spring adopts wave shape and works under the high-speed working condition, and the invention provides the damping expandable blind spiral groove torsion buffer transmission device which comprises a spiral spring structure, a force transmission mechanism, a shaft, a transmission structure, a spiral spring inner installation shaft, a secondary spring and a pressing plate, wherein the middle part of the transmission structure is provided with an inner hole, the inner hole is internally provided with an inner hole step surface, a first spiral disc structure and a second spiral disc structure are installed in the inner hole, and the first spiral disc structure and the second spiral disc structure are respectively installed at two sides of the inner hole step surface, the spiral wire coil structure comprises a first spiral wire coil structure, a second spiral wire coil structure, a force transmission mechanism and a spring, wherein one side of a spiral wire coil is provided with a spiral wire groove, the force transmission mechanism comprises a sliding support, an output support and a guiding force transmission pin, the output support is arranged on the first spiral wire coil structure and the second spiral wire coil structure, a shaft passes through the first spiral wire coil structure, the second spiral wire coil structure and an installation hole in the middle of the output support, the side plates on two sides of the output support are respectively sleeved with a sliding support, the side plates on two sides of the output support are respectively provided with a strip groove, the guiding force transmission pin passes through the sliding support, the middle of the guiding force transmission pin is arranged in the strip groove of the side plate of the output support, two ends of the guiding force transmission pin are respectively arranged in the spiral wire grooves corresponding to the first spiral wire coil structure and the second spiral wire coil structure, a spiral spring structure is respectively arranged in the installation hole in the middle of the first spiral wire coil structure and the second spiral wire coil structure, and the end part of the outer ring of the spiral spring structure is fixed through the installation groove corresponding to the spiral wire coil, the installation axle has two pairs in the clockwork spring, and every pair is to clockwork spring in-mounting axle corresponds a clockwork spring structure, clockwork spring in-mounting axle is installed in the excircle of axle, clockwork spring in-mounting axle passes the clockwork spring structure of corresponding spiral plate.
The invention is further improved, the clockwork spring structure consists of 1-10 clockwork springs, and the clockwork springs can be correspondingly arranged according to requirements.
The invention further improves that the two spring structures consist of a group of spring bodies, a main spring and an auxiliary spring or two groups of main springs and auxiliary springs, so that the vibration can be effectively reduced, and the gear shifting can achieve better dynamic performance.
According to the further improvement of the invention, the difference of the fixed installation of the mainspring spring and the auxiliary mainspring spring at the same side is 180 degrees, so that the design is convenient for obtaining dynamic balance.
According to the further improvement, the transmission structure is a transmission gear, and the common transmission structure is the transmission gear.
In a further development of the invention, the coaxial inner clockwork spring mounting shafts are connected by bearings between the first and second coil arrangements, the inner clockwork spring mounting shafts being typically secured by bearings.
The spring is characterized in that the inner end of the spring structure is provided with a wavy line structure of the inner end of the spring, the wavy line structure of the inner end of the spring is provided with a wavy groove, an installation shaft in the spring is arranged in the wavy groove, the end part of the wavy line structure of the inner end of the spring is fixed with a pressing plate through a screw, and the installation structure of the inner ring of the spring is wavy, so that the spring can work under high-speed working conditions, and is provided with an arc transition structure, so that the stress condition of the inner end of the spring is improved.
According to the further improvement of the invention, the first spiral wire coil structure and the second spiral wire coil structure are connected with the inner hole step surface into a whole, and the first spiral wire coil structure and the second spiral wire coil structure can be designed with the inner hole step surface into a whole for use.
The invention further improves the structure that the first spiral coil structure and the second spiral coil structure are respectively composed of 1-6 spiral coil knots, the first spiral coil structure and the second spiral coil structure are composed of at least 2 spiral coil knots, and a force transmission mechanism is arranged between adjacent spiral coils in the spiral coil structures.
The invention provides a damping expandable blind spiral groove torsion buffer transmission device, which is characterized in that 2 spiral coils are protruded, more than 2 clockwork springs can be installed, the single size of the clockwork springs is small on the premise of providing large torque, a main clockwork spring and an auxiliary clockwork spring are arranged on one side of the protruded single spiral coil, resonance can be reduced, and the purpose of stable system operation is achieved.
Drawings
FIG. 1 is a schematic view of the overall structural installation of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a sectional view of the clockwork spring of the present invention installed;
FIG. 4 is a first schematic view of the installation positions of the outer ring and the inner ring of the clockwork spring of the invention;
FIG. 5 is a schematic view showing the installation positions of the outer and inner coils of the clockwork spring according to the second embodiment of the present invention;
FIG. 6 is a schematic view of the installation of the multi-coil structure of the present invention;
illustration of the drawings:
1. a first helical coil structure; 2. a sliding support; 3. an output support; 4, guiding the force transmission pin; 5. a shaft; 6. a transmission gear; 7. a step surface of the inner hole; 8, inner holes; 9. a second helical coil structure; 10. a mainspring spring; mounting a shaft in the clockwork spring; 12. an auxiliary clockwork spring; 13. pressing a plate; 14. a wave-shaped groove; 15. the inner wavy line structure of clockwork spring.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
the invention provides a damping extensible blind spiral groove torsion buffer transmission device, wherein two spiral springs are arranged on one side of the transmission device, vibration can be effectively reduced, the blind spiral groove discs on two sides are provided, the spiral springs can be installed in pairs, a transmission torque value is enlarged, and in addition, the installation structure of the inner ring of the spiral spring adopts a wave shape and works under a high-speed working condition.
The invention provides a damping expandable blind spiral groove torsion buffer transmission device which comprises a spiral spring structure, a force transmission mechanism, a shaft 5, a transmission structure, a spiral spring inner mounting shaft 11, an auxiliary spiral spring 12 and a pressing plate 13, wherein an inner hole 8 is formed in the middle of the transmission structure, an inner hole step surface 7 is formed in the inner hole 8, a first spiral disc structure 1 and a second spiral disc structure 9 are mounted in the inner hole 8, the first spiral disc structure 1 and the second spiral disc structure 9 are respectively mounted on two sides of the inner hole step surface 7, a spiral groove is formed in one side of a spiral disc in the first spiral disc structure 1 and the second spiral disc structure 9, the force transmission mechanism comprises a sliding support 2, an output support 3 and a guiding force transmission pin 4, the output support 3 is arranged on the first spiral disc structure 1 and the second spiral disc structure 9, the shaft 5 penetrates through the first spiral disc structure 1, the second spiral disc structure 9 and a mounting hole in the middle of the output support 3, the side plates at two sides of the output bracket 3 are respectively sleeved with a sliding bracket 2, the side plates at two sides of the output bracket 3 are respectively provided with a strip-shaped groove, the guide force transmission pin 4 penetrates through the sliding support 2, the middle part of the guide force transmission pin 4 is arranged in a strip-shaped groove of a side plate of the output support 3, the two ends of the guiding force transmission pin 4 are respectively arranged in the thread grooves corresponding to the first thread disc structure 1 and the second thread disc structure 9, clockwork spring structures are arranged in the mounting holes in the middle parts of the first spiral wire coil structure 1 and the second spiral wire coil structure 9, the end part of the outer ring of the clockwork spring structure is fixed through a mounting groove corresponding to the spiral coil, two pairs of clockwork spring inner mounting shafts 11 are arranged, each pair of clockwork spring inner mounting shafts 11 correspond to one clockwork spring structure, an installation shaft 11 is installed on the excircle of the shaft 5 in the clockwork spring, and the installation shaft 11 passes through the clockwork spring structure of the corresponding spiral plate.
As a specific embodiment of the present invention, the present invention provides a vibration-damping expandable blind spiral groove torsion buffer transmission device as shown in fig. 1 and fig. 2, which comprises a spiral spring structure, a force transmission mechanism, a shaft 5, a transmission structure, a spiral spring inner mounting shaft 11, an auxiliary spiral spring 12 and a pressing plate 13, wherein the middle part of the transmission structure is provided with an inner hole 8, the transmission structure is a transmission gear 6, the common transmission structure of the present invention is a transmission gear, the inner hole 8 is provided with an inner hole step surface 7, the inner hole 8 is provided with a first spiral disc structure 1 and a second spiral disc structure 9, the first spiral disc structure 1 and the second spiral disc structure 9 are respectively mounted on two sides of the step inner hole surface 7, one side of a spiral disc in the first spiral disc structure 1 and the second spiral disc structure 9 is provided with a spiral groove, the force transmission mechanism comprises a sliding support 2, an output support 3 and a guiding force transmission pin 4, the spiral power spring is characterized in that the output support 3 is arranged on a first spiral power coil structure 1 and a second spiral power coil structure 9, the shaft 5 penetrates through the first spiral power coil structure 1, the second spiral power coil structure 9 and a mounting hole in the middle of the output support 3, the side plates on two sides of the output support 3 are respectively sleeved with a sliding support 2, the side plates on two sides of the output support 3 are respectively provided with a strip-shaped groove, the guide force transmission pin 4 penetrates through the sliding support 2, the middle part of the guide force transmission pin 4 is arranged in the strip-shaped groove of the side plate of the output support 3, two ends of the guide force transmission pin 4 are respectively arranged in the spiral power grooves corresponding to the first spiral power coil structure 1 and the second spiral power coil structure 9, the spiral power spring structures are respectively arranged in the mounting holes in the middle parts of the first spiral power coil structure 1 and the second spiral power coil structure 9, the end parts of the outer rings of the spiral power spring structures are fixed through the mounting grooves corresponding to the spiral power coils, and the two spiral power spring structures are composed of two main power spring bodies 10 and an auxiliary spiral power spring 12, the mainspring spring structure and the auxiliary mainspring spring structure are one of the common combinations of the present invention, and the mainspring spring structure generally consists of 1-4 mainspring springs, and the present invention can mount corresponding mainspring springs according to the requirement, the mainspring springs 10 and the auxiliary mainspring springs 13 on the same side are fixedly mounted 180 degrees apart as shown in fig. 4 and 5, so that the design is convenient for obtaining dynamic balance, the mainspring spring inner mounting shafts 11 are two pairs, each pair of mainspring spring inner mounting shafts 11 corresponds to one mainspring spring structure, the mainspring spring inner mounting shafts 11 are mounted on the excircle of the shaft 5, the mainspring spring inner mounting shafts 11 pass through the mainspring spring structure of the corresponding coil as shown in fig. 3, the coaxial mainspring inner mounting shafts 11 are connected through bearings, the bearings are between the first coil structure 1 and the second coil structure 9, and the mainspring spring inner mounting shafts are generally fixed through bearings, the inner of clockwork spring structure has the inner wavy line structure 15 of clockwork spring, the inner wavy line structure 15 of clockwork spring has wavy groove 14, clockwork spring internal shaft 11 is in wavy groove 14, the 15 tip of the inner wavy line structure of clockwork spring has clamp plate 13 through the fix with screw, and clockwork spring inner circle mounting structure adopts the wave, does benefit to work under the high-speed operating mode.
The first spiral plate structure 1 and the second spiral plate structure 9 are connected with the inner hole step surface 7 into a whole, and the first spiral plate structure and the second spiral plate structure can be designed into a whole with the inner hole step surface for use.
According to the invention, as shown in fig. 6, a first spiral coil structure 1 and a second spiral coil structure 9 are respectively formed by 2-6 spiral coil knots, the first spiral coil structure 1 and the second spiral coil structure 9 are formed by at least 2 spiral coil knots, and a force transmission mechanism is arranged between adjacent spiral coils in the spiral coil structures.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but any modifications or equivalent variations made according to the technical spirit of the present invention are within the scope of the present invention as claimed.
Claims (1)
1. The utility model provides an expanded blind spiral groove of damping twists reverse buffering transmission, includes clockwork spring structure, power transmission mechanism, axle (5), transmission structure, clockwork spring in installation axle (11), vice clockwork spring (12) and clamp plate (13), its characterized in that: there is hole (8) at the middle part of transmission structure, there is hole step face (7) in hole (8), install first spiral coil structure (1) and second spiral coil structure (9) in hole (8), first spiral coil structure (1) and second spiral coil structure (9) are installed respectively in hole step face (7) both sides, there is the spiral groove spiral coil one side in first spiral coil structure (1) and second spiral coil structure (9), power transmission mechanism includes sliding support (2), output support (3) and direction biography power round pin (4), output support (3) are between first spiral coil structure (1) and second spiral coil structure (9), axle (5) pass first spiral coil structure (1) and second spiral coil structure (9) and output support (3) mid-mounting hole, each curb plate cover of output support (3) both sides is equipped with a sliding support (2), the side plates at the two sides of the output bracket (3) are all provided with strip-shaped grooves, the guide force transmission pin (4) passes through the sliding bracket (2), the middle part of the guide force transmission pin (4) is arranged in a strip-shaped groove of a side plate of the output bracket (3), the two ends of the guiding force transmission pin (4) are respectively arranged in the thread grooves corresponding to the first thread coil structure (1) and the second thread coil structure (9), a clockwork spring structure is arranged in the mounting holes in the middle parts of the first spiral wire coil structure (1) and the second spiral wire coil structure (9), the end part of the outer ring of the clockwork spring structure is fixed through a mounting groove corresponding to the spiral disc, two pairs of clockwork spring inner mounting shafts (11) are arranged, each pair of clockwork spring inner mounting shafts (11) corresponds to one clockwork spring structure, the clockwork spring inner mounting shaft (11) is mounted on the excircle of the shaft (5), and the clockwork spring inner mounting shaft (11) penetrates through a clockwork spring structure corresponding to the spiral disc;
the transmission structure is a transmission gear (6);
a coaxial clockwork spring inner mounting shaft (11) is connected through a bearing, and the bearing is arranged between the first spiral coil structure (1) and the second spiral coil structure (9);
the inner end of a clockwork spring of the clockwork spring structure is provided with a clockwork spring inner end wavy line structure (15), the clockwork spring inner end wavy line structure (15) is provided with a wavy groove (14), an inner mounting shaft (11) of the clockwork spring is arranged in the wavy groove (14), and the end part of the clockwork spring inner end wavy line structure (15) is fixed with a pressing plate (13) through a screw;
the first spiral disc structure (1) and the second spiral disc structure (9) are connected with the inner hole step surface (7) into a whole;
the first spiral coil structure (1) and the second spiral coil structure (9) are respectively composed of 1-6 spiral coils;
first spiral coil structure (1) and second spiral coil structure (9) comprise 2 at least spiral coils, have power transmission device between the adjacent spiral coil in the spiral coil structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710664476.9A CN107255161B (en) | 2017-08-07 | 2017-08-07 | Damping extensible blind spiral groove torsion buffer transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710664476.9A CN107255161B (en) | 2017-08-07 | 2017-08-07 | Damping extensible blind spiral groove torsion buffer transmission device |
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| Publication Number | Publication Date |
|---|---|
| CN107255161A CN107255161A (en) | 2017-10-17 |
| CN107255161B true CN107255161B (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710664476.9A Active CN107255161B (en) | 2017-08-07 | 2017-08-07 | Damping extensible blind spiral groove torsion buffer transmission device |
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| CN (1) | CN107255161B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642596A (en) * | 2017-10-31 | 2018-01-30 | 金陵科技学院 | A kind of speed changer supplementary structure for reducing speed changer and stirring oily power loss |
| CN115095624B (en) * | 2022-06-16 | 2023-09-22 | 哈尔滨工程大学 | Elastic device, control method, vibration absorber, vibration isolator and vibration energy collector |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB577489A (en) * | 1941-10-02 | 1946-05-21 | Arnold Tustin | Improvements in and relating to coupling devices for rotatable members |
| FR2628804A1 (en) * | 1988-03-17 | 1989-09-22 | Fichtel & Sachs Ag | TORSION VIBRATION SHOCK ABSORBER |
| CN202047876U (en) * | 2011-04-14 | 2011-11-23 | 绵阳万瑞尔汽车零部件有限公司 | Device for fixing spring at rear end of phaser |
| CN102588454A (en) * | 2011-01-15 | 2012-07-18 | 奥迪股份公司 | Device for driving connection |
| CN202840806U (en) * | 2012-08-24 | 2013-03-27 | 宁波恒特汽车零部件有限公司 | Decelerating mechanism of a rising/descending-category motor |
| CN105443632A (en) * | 2014-09-19 | 2016-03-30 | 曼卡车和巴士股份公司 | Coil spring |
| CN106712451A (en) * | 2017-01-22 | 2017-05-24 | 金陵科技学院 | Driving connection device between moving magnetic discs and magnetic disc frame of permanent-magnet torque converter |
| CN207005272U (en) * | 2017-08-07 | 2018-02-13 | 金陵科技学院 | A kind of expansible blind helical flute of vibration damping reverses buffer transmission |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007008282A1 (en) * | 2007-02-16 | 2008-08-21 | Muhr Und Bender Kg | Drive pulley with vibration damping means |
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2017
- 2017-08-07 CN CN201710664476.9A patent/CN107255161B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB577489A (en) * | 1941-10-02 | 1946-05-21 | Arnold Tustin | Improvements in and relating to coupling devices for rotatable members |
| FR2628804A1 (en) * | 1988-03-17 | 1989-09-22 | Fichtel & Sachs Ag | TORSION VIBRATION SHOCK ABSORBER |
| CN102588454A (en) * | 2011-01-15 | 2012-07-18 | 奥迪股份公司 | Device for driving connection |
| CN202047876U (en) * | 2011-04-14 | 2011-11-23 | 绵阳万瑞尔汽车零部件有限公司 | Device for fixing spring at rear end of phaser |
| CN202840806U (en) * | 2012-08-24 | 2013-03-27 | 宁波恒特汽车零部件有限公司 | Decelerating mechanism of a rising/descending-category motor |
| CN105443632A (en) * | 2014-09-19 | 2016-03-30 | 曼卡车和巴士股份公司 | Coil spring |
| CN106712451A (en) * | 2017-01-22 | 2017-05-24 | 金陵科技学院 | Driving connection device between moving magnetic discs and magnetic disc frame of permanent-magnet torque converter |
| CN207005272U (en) * | 2017-08-07 | 2018-02-13 | 金陵科技学院 | A kind of expansible blind helical flute of vibration damping reverses buffer transmission |
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| CN107255161A (en) | 2017-10-17 |
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