CN103929007A - Elastic damping device of motor rotor - Google Patents
Elastic damping device of motor rotor Download PDFInfo
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- CN103929007A CN103929007A CN201310016454.3A CN201310016454A CN103929007A CN 103929007 A CN103929007 A CN 103929007A CN 201310016454 A CN201310016454 A CN 201310016454A CN 103929007 A CN103929007 A CN 103929007A
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Abstract
The invention discloses an elastic damping device of a motor rotor. The damping device comprises a gear shaft, a damping disc, an elastic damping part and a wire winding disc, wherein multiple two-layer stepped involute curved-surface bodies are evenly arranged on the damping disc, the same number of one-layer involute curved-surface bodies are evenly arranged on the elastic damping part, and the same number of two-layer stepped involute curved-surface bodies are evenly arranged on the wire winding disc. The involute curved-surface bodies of the elastic damping part are arranged between two involute curved-surface bodies of the damping disc and the wire winding disc. The elastic damping device of the motor rotor is even in stress and stable in transmission, effectively diffuses rising temperature inside the disc by arranging an air flow channel, ensures decrease of motor inner resistance, improves the output efficiency, decreases faults, remarkably prolongs the service life of batteries and a driving range and can obtain good social and economic benefits.
Description
Technical field
The present invention relates to a kind of shock-absorption device, particularly a kind of rotor elastic shock-absorbing device that is applied to motor-driven.
Background technology
Along with social industrial expansion, motor-driven has played more and more important effect in all trades and professions.In prior art, high-speed electric expreess locomotive, by deceleration transferring power, has the features such as staring torque is large, overload capacity is strong, operational efficiency is high, lightweight, consumptive material is few, becomes the main flow direction of electric bicycle Driving technique.But, because high deceleration driving torque is large, require to use high strength steel gear, in the time of operation, noise greatly just becomes the maximum deficiency of motor rotation.For solving this key issue, need a kind of more effective damped noise reduction device technology, reach this purpose.In existing traditional structure technology, be limited to rotor space little, be difficult to reach this object, adopt with plastic gear instead of steel gear therefore, and because plastics self intensity is low, particularly in winter of high temperature and severe cold more, plastics are shock-resistant significantly to be reduced with endurance life, broken teeth fault often occurs, and the life-span is low, and repair rate surpasses more than 20%.
Those skilled in the art develops urgently a kind of rotor elastic shock-absorbing device and solves the problems referred to above.
Summary of the invention
The technical problem to be solved in the present invention is that rotor damping device intensity is low in order to overcome in prior art, and the deficiency that repair rate is high provides a kind of rotor elastic shock-absorbing device.
The present invention solves above-mentioned technical problem by following technical proposals: a kind of rotor elastic shock-absorbing device, and its feature is, described damping device comprises: a gear shaft; One damping disc, evenly arranges multiple two layers of stepped involute surface body; One elastomeric damper member, evenly arranges one deck involute surface body of same quantity; One wire-wound disc, evenly arranges two layers of stepped involute surface body of same quantity;
Wherein, the involute surface body of described elastomeric damper member is arranged between two involute surface bodies of described damping disc and wire-wound disc.
Preferably, the involute surface body in described elastomeric damper member is involute elastomer.
Preferably, described damping disc comprises damping disc the first plane, damping disc the second plane and damping disc the 3rd plane; Described elastomeric damper member comprises elastomeric damper member the first plane and elastomeric damper member the second plane; Described wire-wound disc comprises wire-wound disc the first plane, wire-wound disc the second plane and wire-wound disc the 3rd plane;
Wherein, described damping disc the first plane and described wire-wound disc the 3rd plane are in same plane, described damping disc the second plane, described elastomeric damper member the first plane and described wire-wound disc the second plane are in same plane, and described damping disc the 3rd plane, described elastomeric damper member the second plane and described wire-wound disc the first plane are in same plane.
Preferably, above-mentioned all involute surface bodies are all wide curved body.
Preferably, on described damping disc, the corresponding central angle of the second plane of involute surface body is 13 °, and the corresponding central angle of described damping disc the 3rd plane is 13 °, and the corresponding central angle of groove floor of described damping disc is 19 °; In described elastomeric damper member, the corresponding central angle of elastomeric the first plane of involute is 13 °, and the corresponding central angle of described elastomeric damper member the second plane involute is 13 °; The corresponding central angle of described wire-wound disc the first plane involute is 13 °, and the corresponding central angle of the second plane is 13 °, and the corresponding central angle of the 3rd plane is 19 °.
Preferably, described damping disc the 3rd plane is a curved surface groove bottom, and described wire-wound disc the 3rd plane layout is a curved surface groove bottom.
Preferably, the corresponding central angle of curved surface groove in described damping disc the 3rd plane is 13 °, and the corresponding central angle of curved surface groove in described wire-wound disc the 3rd plane is 19 °.
Preferably, described gear shaft comprises multiple external tooths, mates with the internal tooth of the center positioning hole on described damping disc.
Preferably, two layers of described damping disc and wire-wound disc stepped involute surface body radial outside are the face of cylinder.
Preferably, the cylinder outer rim of two layers of stepped involute surface body of described damping disc forms a damping disc groove, and described elastomeric damper member outer shroud mates with described damping disc groove shapes.
Preferably, described rotor elastic shock-absorbing device also comprises a collar, and the described collar is enclosed within on the corresponding face of cylinder of described damping disc and described wire-wound disc.
Preferably, the quantity of the involute surface body of described damping disc, elastomeric damper member and wire-wound disc is eight.
Positive progressive effect of the present invention is: this rotor elastic shock-absorbing device is stressed evenly, stable drive, by the setting of gas channel, effectively by the inner disc diffusion that heats up, ensure that motor internal resistance reduces, improve delivery efficiency, reduce fault, significantly extend useful life and the continual mileage of battery, can obtain better economic results in society.
Brief description of the drawings
Fig. 1 a is the STRUCTURE DECOMPOSITION schematic diagram of preferred embodiment rotor elastic shock-absorbing device of the present invention.
Fig. 1 b be preferred embodiment rotor elastic shock-absorbing device of the present invention along A in Fig. 1 a to schematic diagram.
Fig. 2 is the schematic diagram after the assembling of preferred embodiment rotor elastic shock-absorbing device of the present invention.
Fig. 3 is the structural representation of damping disc in preferred embodiment of the present invention.
Fig. 4 a is the cross-sectional schematic of the damping disc described in Fig. 3.
Fig. 4 b is the upward view of the damping disc described in Fig. 3.
Fig. 5 is the structural representation of the damping disc under another angle of the present invention.
Fig. 6 is the structural representation of the elastomeric damper member under specific embodiment of the present invention.
Fig. 7 is the cross-sectional schematic of the elastomeric damper member shown in Fig. 6.
Fig. 8 is the structural representation of the elastomeric damper member under another angle of the present invention.
Fig. 9 is the structural representation of the wire-wound disc under specific embodiment of the present invention.
Figure 10 is the cross-sectional schematic of the wire-wound disc shown in Fig. 9.
Figure 11 is the structural representation of the wire-wound disc under another angle of the present invention.
Embodiment
Embodiments of the invention describe with reference to the accompanying drawings.In Figure of description, the element with similar structures or function will represent with identical component symbol.Just each embodiment of the present invention for convenience of explanation of accompanying drawing, is not to carry out to the present invention the explanation of exhaustive, neither limit scope of the present invention.
See Fig. 1 a and referring to Fig. 2, be patent rotor dampening assembly STRUCTURE DECOMPOSITION schematic diagram of the present invention, comprising: gear shaft 1, damping disc 2, shock absorber part 3, cover 4 and wire-wound disc 5.Described damping disc 2, shock absorber part 3 and coiling disc 5 is provided with the curved body of eight involute shapes of dividing equally, when assembling, the axle cylindrical 11 of gear shaft 1 is placed in the center positioning hole 21 of damping disc 2, and gear shaft 1 external tooth form 12 matches with the internal tooth form 22 of location hole 21 upper ends; Annular outer ring 31 on described shock absorber part 3 embeds in damping disc 2 grooves 23, and its eight involute shape elastomer 32 inwalls are positioned on the lateral surface of eight involute surface bodies 24 of damping disc 2; Described 3 eight elastomers of shock absorber part 32 are inserted in 4 endoporus with an external cylindrical surface of outer rim composition of eight curved bodies 24 of damping disc 2.Described wire-wound disc 5 end faces are provided with center positioning hole 51, and eight involute surface bodies, and its outer rim is the same face of cylinder.On this face of cylinder, insert cover 4; The cylindrical of inner gear shaft 1 11 is inserted in the location hole 51 of wire-wound disc 5, make the lateral surface laminating of the medial surface of the involute surface body on wire-wound disc 5 and the elastomer 32 of shock absorber part 3.
Axial location between described shock absorber part is: the upper surface 52 of wire-wound disc 5 involute surface body above extend in the involute shape groove 26 of damping disc 2; With the upper surface of elastomer 32, damping disc 2 the 3rd 25 in same plane.Its second 53 with the lower surface of elastomer 32, the lower surface of the lower surface of the involute surface body 24 on damping disc 2 and cover 4 is at grade; The end face of the interior ring 28 on lowest surfaces 54 and the damping disc 2 of wire-wound disc 5 involute surface body above at grade; The lower plane of the annular outer ring 31 on shock absorber part 3 is corresponding with the lower plane 25 of damping disc 2 grooves 23 (referring to Fig. 4 a and Fig. 4 b).
See Fig. 4 a and Fig. 4 b, and referring to Fig. 3 and Fig. 5, be the structural representation of damping disc 2.Its upper surface is provided with center positioning hole 21, and internal tooth form 22, cone step 29 and outer toroid 27 have eight uniform involute surface bodies 24 to be connected therebetween.Its involute launches rule: each 45 ° of decile, and according to the order of 13 °, 13 °, 19 °, corresponding central angle, initial from the intersection point of basic circle 25-1, launch by clockwise side, be finally connected with outer toroid 27.Inwardly radially extend to center positioning hole 21 from basic circle 25-1, ring 28 in forming, the plane of the highest point of the bottom surface of endocyclic outer wall 28-1 and cone step 29 is same plane.
See Fig. 6, and referring to Fig. 7, Fig. 8, be the structural representation of shock absorber part 3.Shock absorber part 3 is formed by connecting with outer toroid 31 by eight uniform involute shape elastomers 32.Its involute launches rule; In each 45 ° of decile, initial with the intersection point of basic circle 33 with 13 °, corresponding central angle, by side's expansion counterclockwise, be finally connected with the outer toroid 31 of top.Outer toroid 31 embeds in damping disc 2 grooves 23 just.
See Fig. 9, and referring to the A shown in Figure 10, Figure 11 and Fig. 1 b to view, be the structural representation of wire-wound disc 5, its upper surface is provided with center positioning hole 51, the axle external diameter 11 of this location hole and gear shaft 1 coordinates for precise transition.Uniform eight two-layer three involute surface bodies on this end face, its involute launches rule: at each 45 ° of decile, according to the order of 13 °, 13 °, 19 °, corresponding central angle, initial from the intersection point of basic circle 55, by counterclockwise launching, obtain respectively the wide strip plane 52,53 and 54 separately of three involute contours.The external profile diameter that end face 52 forms is identical with the internal diameter of cover 4.The outside cylinder slightly larger in diameter that the extension place of second 53 to the 3rd 54 forms is in the external diameter of cover 4.End face 52 is identical with the height of the difference in height of second 53 and elastomer 32.
Rotor shock absorber part assembly from installing, there is space in the external side of involute surface of wire-wound disc 5 and the medial surface of damping disc 2 involute surface bodies, and there is the segmental arc width that is equivalent to 6 ° in its space at basic circle place.The end play of this space and inter-module is (as second of wire-wound disc 5 53 and the 3rd 's 54 difference in height, the endocyclic outer wall 28-1 bottom surface of damping disc 2 and the space of cone step 29), and radial gap (damping disc 2 endocyclic outer wall 28-1 are to the space between basic circle face 25-1) interpenetrates.Thus, in the time of wire-wound disc 5 counter clockwise direction High Rotation Speed, the medial surface of its involute surface body promotes involute surface body 24 lateral surfaces of damping disc 2 by the elastomer 32 of uniform thickness, via internal tooth 22 driven gear axle High Rotation Speeds, therebetween, the particular design of dampening assembly has played the effect of sufficient vibration-absorbing and reducing noise.In addition, the space that inter-module being provided with interpenetrated, can make assembly in High Rotation Speed, produce unimpeded circulating current, plays the effect of radiating and cooling.Can effectively reduce the temperature of wire-wound disc 5 and adjacent magnet steel, thereby reduce motor internal resistance, improve output power of motor.
In sum, due to the characteristic of involute, adopt the involute surface shock-damping structure of two layers three, can recognize intuitively, involute surface has significantly increased the contact-making surface of vibration-absorbing and reducing noise, and on involute surface, the elastomer thickness of every bit equates, it is all tangential directions of its basic circle that the effect motive force of its contact point is pointed to, therefore stressed even, stable drive.Its upper and lower end radially with the setting of the radiating and cooling gas channel of axial perforation, effectively by the inner disc diffusion that heats up, ensure that motor internal resistance reduces, improve delivery efficiency, reduce fault, can significantly extend the useful life of battery and the continual mileage of electric motor car, obtain good economic results in society.
Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present invention and essence, can make various changes or modifications to these execution modes, but these changes and amendment all fall into protection scope of the present invention.
Claims (12)
1. a rotor elastic shock-absorbing device, is characterized in that, described damping device comprises:
One gear shaft;
One damping disc, evenly arranges multiple two layers of stepped involute surface body;
One elastomeric damper member, evenly arranges one deck involute surface body of same quantity;
One wire-wound disc, evenly arranges two layers of stepped involute surface body of same quantity;
Wherein, the involute surface body of described elastomeric damper member is arranged between two involute surface bodies of described damping disc and wire-wound disc.
2. rotor elastic shock-absorbing device as claimed in claim 1, is characterized in that, the involute surface body in described elastomeric damper member is involute elastomer.
3. rotor elastic shock-absorbing device as claimed in claim 2, is characterized in that,
Described damping disc comprises damping disc the first plane, damping disc the second plane and damping disc the 3rd plane;
Described elastomeric damper member comprises elastomeric damper member the first plane and elastomeric damper member the second plane;
Described wire-wound disc comprises wire-wound disc the first plane, wire-wound disc the second plane and wire-wound disc the 3rd plane;
Wherein, described damping disc the first plane and described wire-wound disc the 3rd plane are in same plane, described damping disc the second plane, described elastomeric damper member the first plane and described wire-wound disc the second plane are in same plane, and described damping disc the 3rd plane, described elastomeric damper member the second plane and described wire-wound disc the first plane are in same plane.
4. rotor elastic shock-absorbing device as claimed in claim 3, is characterized in that, above-mentioned all involute surface bodies are all wide curved body.
5. rotor elastic shock-absorbing device as claimed in claim 3, is characterized in that,
On described damping disc, the corresponding central angle of the second plane of involute surface body is 13 °, and the corresponding central angle of described damping disc the 3rd plane is 13 °, and the corresponding central angle of groove floor of described damping disc is 19 °;
In described elastomeric damper member, the corresponding central angle of elastomeric the first plane of involute is 13 °, and the corresponding central angle of described elastomeric damper member the second plane involute is 13 °;
The corresponding central angle of described wire-wound disc the first plane involute is 13 °, and the corresponding central angle of the second plane is 13 °, and the corresponding central angle of the 3rd plane is 19 °.
6. rotor elastic shock-absorbing device as claimed in claim 3, is characterized in that, described damping disc the 3rd plane is a curved surface groove bottom, and described wire-wound disc the 3rd plane layout is a curved surface groove bottom.
7. rotor elastic shock-absorbing device as claimed in claim 6, is characterized in that, the corresponding central angle of curved surface groove in described damping disc the 3rd plane is 13 °, and the corresponding central angle of curved surface groove in described wire-wound disc the 3rd plane is 19 °.
8. rotor elastic shock-absorbing device as claimed in claim 1, is characterized in that, described gear shaft comprises multiple external tooths, mates with the internal tooth of the center positioning hole on described damping disc.
9. rotor elastic shock-absorbing device as claimed in claim 1, is characterized in that, two layers of stepped involute surface body radial outside of described damping disc and wire-wound disc are the face of cylinder.
10. rotor elastic shock-absorbing device as claimed in claim 9, is characterized in that, the cylinder outer rim of two layers of stepped involute surface body of described damping disc forms a damping disc groove, and described elastomeric damper member outer shroud mates with described damping disc groove shapes.
11. rotor elastic shock-absorbing devices as claimed in claim 10, is characterized in that, described rotor elastic shock-absorbing device also comprises a collar, and the described collar is enclosed within on the corresponding face of cylinder of described damping disc and described wire-wound disc.
12. rotor elastic shock-absorbing devices as described in claim 1 to 11 any one, is characterized in that, the quantity of the involute surface body of described damping disc, elastomeric damper member and wire-wound disc is eight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310016454.3A CN103929007B (en) | 2013-01-16 | 2013-01-16 | Rotor elastic shock-absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310016454.3A CN103929007B (en) | 2013-01-16 | 2013-01-16 | Rotor elastic shock-absorbing device |
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| Publication Number | Publication Date |
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| CN103929007A true CN103929007A (en) | 2014-07-16 |
| CN103929007B CN103929007B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310016454.3A Active CN103929007B (en) | 2013-01-16 | 2013-01-16 | Rotor elastic shock-absorbing device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5322149A (en) * | 1991-12-27 | 1994-06-21 | Dana Corporation | Damped driven disc assembly |
| CN2489139Y (en) * | 2001-06-26 | 2002-05-01 | 王明正 | Noiseless low impedance one-way driving gear |
| CN201322065Y (en) * | 2008-09-15 | 2009-10-07 | 庄景阳 | Noise-free asynchronous oil-saving gear for CG main shaft |
| CN102788108A (en) * | 2012-08-02 | 2012-11-21 | 中国船舶重工集团公司第七○二研究所 | Elastic spline vibration isolator |
| CN203166680U (en) * | 2013-01-16 | 2013-08-28 | 上海宇飞金属制品有限公司 | Electromotor rotor elastic vibration reducing device |
-
2013
- 2013-01-16 CN CN201310016454.3A patent/CN103929007B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5322149A (en) * | 1991-12-27 | 1994-06-21 | Dana Corporation | Damped driven disc assembly |
| CN2489139Y (en) * | 2001-06-26 | 2002-05-01 | 王明正 | Noiseless low impedance one-way driving gear |
| CN201322065Y (en) * | 2008-09-15 | 2009-10-07 | 庄景阳 | Noise-free asynchronous oil-saving gear for CG main shaft |
| CN102788108A (en) * | 2012-08-02 | 2012-11-21 | 中国船舶重工集团公司第七○二研究所 | Elastic spline vibration isolator |
| CN203166680U (en) * | 2013-01-16 | 2013-08-28 | 上海宇飞金属制品有限公司 | Electromotor rotor elastic vibration reducing device |
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| Publication number | Publication date |
|---|---|
| CN103929007B (en) | 2016-07-06 |
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Effective date of registration: 20160405 Address after: 201321, No. 329 Pier Road, Zhou Pu town, Zhou Town, Shanghai, Pudong New Area Applicant after: Shanghai Yufei Metal Products Co., Ltd. Applicant after: Shanghai Union Electric Technology Co., Ltd. Address before: 201321, No. 329 Pier Road, Zhou Pu town, Zhou Town, Shanghai, Pudong New Area Applicant before: Shanghai Yufei Metal Products Co., Ltd. |
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