CN103929007B - Rotor elastic shock-absorbing device - Google Patents
Rotor elastic shock-absorbing device Download PDFInfo
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- CN103929007B CN103929007B CN201310016454.3A CN201310016454A CN103929007B CN 103929007 B CN103929007 B CN 103929007B CN 201310016454 A CN201310016454 A CN 201310016454A CN 103929007 B CN103929007 B CN 103929007B
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Abstract
The invention discloses a kind of rotor elastic shock-absorbing device, described damping device includes: a gear shaft；One damping disc, is uniformly arranged multiple two layers of stepped involute surface body；One elastomeric damper member, is uniformly arranged same amount of one layer of involute surface body；One wire-wound disc, is uniformly arranged same amount of two layers of stepped involute surface body；Wherein, the involute surface body of described elastomeric damper member is arranged between described damping disc and two involute surface bodies of wire-wound disc.This rotor elastic shock-absorbing device uniform force, stable drive, by the setting of gas channel, effectively by internal for the disc diffusion that heats up, it is ensured that motor internal resistance reduces, and improves delivery efficiency, reduce fault, significantly extend service life and the continual mileage of battery, better economic results in society can be obtained.
Description
Technical field
The present invention relates to a kind of shock-absorption device, particularly a kind of rotor elastic shock-absorbing device being applied to motor-driven.
Background technology
Along with society's industrial expansion, motor-driven serves more and more important effect in all trades and professions.In prior art, high-speed electric expreess locomotive, by the transmission power that slows down, has the features such as staring torque is big, overload capacity is strong, operational efficiency is high, lightweight, consumptive material is few, becomes the main flow direction of electric bicycle actuation techniques.But, owing to high deceleration driving torque is big, it is desirable to using high strength steel gear, operationally, noise greatly becomes the maximum deficiency of motor rotation.For solving this key issue, it is necessary to a kind of more effective damped noise reduction device technology, reach this purpose.In existing traditional structure technology, it is limited to rotor space little, it is extremely difficult to this purpose, therefore adopt substitutes steel gear with plastic gear more, and owing to plastics self-strength is low, particularly in the winter of high temperature and severe cold, plastics are shock-resistant to be greatly lowered 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 a kind of rotor elastic shock-absorbing device urgently to solve 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, the deficiency that repair rate is high, it is provided that 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, it is characterized in that, described damping device includes: a gear shaft；One damping disc, is uniformly arranged multiple two layers of stepped involute surface body；One elastomeric damper member, is uniformly arranged same amount of one layer of involute surface body；One wire-wound disc, is uniformly arranged same amount of two layers of stepped involute surface body；
Wherein, the involute surface body of described elastomeric damper member is arranged between described damping disc and two involute surface bodies of wire-wound disc.
It is preferred that the involute surface body in described elastomeric damper member is involute elastomer.
It is preferred that described damping disc includes damping disc the first plane, damping disc the second plane and damping disc the 3rd plane；Described elastomeric damper member includes elastomeric damper member the first plane and elastomeric damper member the second plane；Described wire-wound disc includes 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 is with described wire-wound disc the 3rd plane place in the same plane, in the same plane, described damping disc the 3rd plane, described elastomeric damper member the second plane and described wire-wound disc the first plane place are in the same plane for described damping disc the second plane, described elastomeric damper member the first plane and described wire-wound disc the second plane place.
It is preferred that above-mentioned all involute surface bodies are all wide curved body.
It is preferred that the second plane correspondence central angle of involute surface body is 13 ° on described damping disc, described damping disc the 3rd plane correspondence central angle is 13 °, and the groove floor correspondence central angle of described damping disc is 19 °；In described elastomeric damper member, the first plane correspondence central angle of involute elastomer is 13 °, and described elastomeric damper member the second plane involute correspondence central angle is 13 °；Described wire-wound disc the first plane involute correspondence central angle is 13 °, and the second plane correspondence central angle is 13 °, and the 3rd plane correspondence central angle is 19 °.
It is preferred that described damping disc the 3rd plane is a curved surface groove bottom, described wire-wound disc the 3rd plane is set to a curved surface groove bottom.
It is preferred that the curved surface groove correspondence central angle in described damping disc the 3rd plane is 13 °, the curved surface groove correspondence central angle in described wire-wound disc the 3rd plane is 19 °.
It is preferred that described gear shaft includes multiple external tooth, mate with the internal tooth of the center positioning hole on described damping disc.
It is preferred that two layers of stepped involute surface body radial outside of described damping disc and wire-wound disc are the face of cylinder.
It is preferred that the cylinder outer rim of the two of described damping disc layers of stepped involute surface body forms a damping disc groove, described elastomeric damper member outer shroud mates with described damping disc groove shapes.
It is preferred that described rotor elastic shock-absorbing device also includes a collar, the described collar is enclosed within the corresponding face of cylinder of described damping disc and described wire-wound disc.
It is preferred that the quantity of the involute surface body of described damping disc, elastomeric damper member and wire-wound disc is eight.
The actively progressive effect of the present invention is in that: this rotor elastic shock-absorbing device uniform force, stable drive, by the setting of gas channel, effectively by internal for the disc diffusion that heats up, ensure that motor internal resistance reduces, improve delivery efficiency, reduce fault, significantly extend service life and the continual mileage of battery, better economic results in society can be obtained.
Accompanying drawing explanation
Fig. 1 a is the STRUCTURE DECOMPOSITION schematic diagram of present pre-ferred embodiments rotor elastic shock-absorbing device.
Fig. 1 b be present pre-ferred embodiments rotor elastic shock-absorbing device along Fig. 1 a A to schematic diagram.
Fig. 2 is the schematic diagram after the assembling of present pre-ferred embodiments rotor elastic shock-absorbing device.
Fig. 3 is the structural representation of damping disc in present pre-ferred embodiments.
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 one 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 one 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.
Detailed description of the invention
Embodiments of the invention will be described with reference to the drawings.In Figure of description, the element with similar structures or function will represent with identical component symbol.Accompanying drawing, only to facilitate each embodiment of the present invention is described, is not intended to the present invention is carried out the explanation of exhaustive, neither the scope of the present invention be limited.
See Fig. 1 a and referring to Fig. 2, for patent rotor dampening assembly STRUCTURE DECOMPOSITION schematic diagram of the present invention, including: gear shaft 1, damping disc 2, shock absorber part 3, set 4 and wire-wound disc 5.Described damping disc 2, shock absorber part 3 and coiling disc 5 are provided with the curved body of eight involute shapes divided equally, during 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 upper end, hole 21, location；The described annular outer ring 31 on shock absorber part 3 embeds in damping disc 2 groove 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；The outer rim of eight curved bodies 24 of 3 eight elastomers of described shock absorber part 32 and damping disc 2 forms an external cylindrical surface and is inserted in the endoporus of 4.Described wire-wound disc 5 end face is provided with center positioning hole 51 and eight involute surface bodies, and its outer rim is the same face of cylinder.This face of cylinder is inserted set 4；The cylindrical 11 of inner gear shaft 1 is inserted in the hole, location 51 of wire-wound disc 5, make the medial surface of the involute surface body on wire-wound disc 5 fit with the lateral surface of the elastomer 32 of shock absorber part 3.
Axially 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；It is in same plane with the 3rd face 25 of the upper surface of elastomer 32, damping disc 2.The lower surface of its second face 53 and elastomer 32, the lower surface of the involute surface body 24 on damping disc 2 and the lower surface of set 4 are at grade；The lowest surfaces 54 of wire-wound disc 5 involute surface body above is with the end face of the internal ring 28 on damping disc 2 at grade；The lower plane of the annular outer ring 31 on shock absorber part 3 corresponding with the lower plane 25 of damping disc 2 groove 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, for the structural representation of damping disc 2.Its upper surface is provided with center positioning hole 21, internal tooth form 22, cone step 29 and outer toroid 27, has eight uniform involute surface bodies 24 to be connected therebetween.Its involute launches rule: each 45 ° of deciles, according to the order of corresponding 13 ° of central angle, 13 °, 19 °, initiates from the intersection point of basic circle 25-1, launches by side clockwise, is finally connected with outer toroid 27.Extending radially inward to center positioning hole 21 from basic circle 25-1, the plane of the highest point forming internal ring 28, 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, for 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 deciles, initiate with the intersection point of corresponding 13 ° of central angle with basic circle 33, launch by side counterclockwise, be finally connected with the outer toroid 31 of top.Outer toroid 31 embeds in damping disc 2 groove 23 just.
Seeing Fig. 9, and referring to the A direction view shown in Figure 10, Figure 11 and Fig. 1 b, for the structural representation of wire-wound disc 5, its upper surface is provided with center positioning hole 51, this hole, location coordinates for precise transition with the axle external diameter 11 of gear shaft 1.Uniform three involute surface bodies of eight two-layers on this end face, its involute launches rule: at each 45 ° of deciles, order according to corresponding 13 ° of central angle, 13 °, 19 °, initiate from the intersection point of basic circle 55, launch counterclockwise, respectively obtain each wide streak-like planar 52,53 and 54 of three involute contours.The external profile diameter that end face 52 is formed is identical with the internal diameter of set 4.The outside cylinder diameter external diameter slightly larger than set 4 extending place formation in the second face 53 to the 3rd face 54.End face 52 is identical with the height of the difference in height in the second face 53 Yu elastomer 32.
There is space in the medial surface of the rotor shock absorber part assembly after installation, the involute surface outside of wire-wound disc 5 and damping disc 2 involute surface body, there is the segmental arc width being equivalent to 6 ° in its space at basic circle place.The axial gap of this space and the inter-module (difference in height such as the second face 53 of wire-wound disc 5 and the 3rd face 54, the endocyclic outer wall 28-1 bottom surface of damping disc 2 and the space of cone step 29), and radial gap (space between damping disc 2 endocyclic outer wall 28-1 to basic circle face 25-1) interpenetrates.Thus, when wire-wound disc 5 counterclockwise high speed rotating, the medial surface of its involute surface body promotes involute surface body 24 lateral surface of damping disc 2 by the elastomer 32 of uniform thickness, via internal tooth 22 driven gear axle high speed rotating, therebetween, the particular design of dampening assembly serves the effect of sufficient vibration-absorbing and reducing noise.It addition, inter-module is provided with the space interpenetrated, assembly can be made to produce unimpeded circulating current in high speed rotating, play the effect of radiating and cooling.Effectively reducing the temperature of wire-wound disc 5 and adjacent magnet steel, thus reducing motor internal resistance, improve output power of motor.
In sum, characteristic due to involute, have employed the involute surface shock-damping structure of two layers three, can recognize intuitively, involute surface is added significantly to the contact surface of vibration-absorbing and reducing noise, and on involute surface, the elastomer thickness of every bit is equal, and the effect motive force sensing of its contact point is all the tangential direction of its basic circle, therefore uniform force, stable drive.Its upper and lower end radially with axially through the setting of radiating and cooling gas channel, effectively by internal for the disc diffusion that heats up, it is ensured that motor internal resistance reduces, improve delivery efficiency, reduce fault, can significantly extend the service life of battery and the continual mileage of electric motor car, obtain good economic results in society.
Although the foregoing describing the specific embodiment of the present invention, it will be appreciated by those of skill in the art that these are merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is under the premise without departing substantially from principles of the invention and essence, it is possible to these embodiments are made various changes or modifications, but these change and amendment each falls within protection scope of the present invention.
Claims (12)
1. a rotor elastic shock-absorbing device, it is characterised in that described damping device includes:
One gear shaft；
One damping disc, is uniformly arranged multiple two layers of stepped involute surface body；
One elastomeric damper member, is uniformly arranged same amount of one layer of involute surface body；
One wire-wound disc, is uniformly arranged same amount of two layers of stepped involute surface body；
Wherein, the involute surface body of described elastomeric damper member is arranged between described damping disc and two involute surface bodies of wire-wound disc.
2. rotor elastic shock-absorbing device as claimed in claim 1, it is characterised 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, it is characterised in that
Described damping disc includes damping disc the first plane, damping disc the second plane and damping disc the 3rd plane；
Described elastomeric damper member includes elastomeric damper member the first plane and elastomeric damper member the second plane；
Described wire-wound disc includes 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 is with described wire-wound disc the 3rd plane place in the same plane, in the same plane, described damping disc the 3rd plane, described elastomeric damper member the second plane and described wire-wound disc the first plane place are in the same plane for described damping disc the second plane, described elastomeric damper member the first plane and described wire-wound disc the second plane place.
4. rotor elastic shock-absorbing device as claimed in claim 3, it is characterised in that above-mentioned all involute surface bodies are all wide curved body.
5. rotor elastic shock-absorbing device as claimed in claim 3, it is characterised in that
On described damping disc, the second plane correspondence central angle of involute surface body is 13 °, and described damping disc the 3rd plane correspondence central angle is 13 °, and the groove floor correspondence central angle of described damping disc is 19 °；
In described elastomeric damper member, the first plane correspondence central angle of involute elastomer is 13 °, and described elastomeric damper member the second plane involute correspondence central angle is 13 °；
Described wire-wound disc the first plane involute correspondence central angle is 13 °, and the second plane involute correspondence central angle is 13 °, and the 3rd plane involute correspondence central angle is 19 °.
6. rotor elastic shock-absorbing device as claimed in claim 3, it is characterised in that described damping disc the 3rd plane is a curved surface groove bottom, and described wire-wound disc the 3rd plane is set to a curved surface groove bottom.
7. rotor elastic shock-absorbing device as claimed in claim 6, it is characterised in that the curved surface groove correspondence central angle in described damping disc the 3rd plane is 13 °, and the curved surface groove correspondence central angle in described wire-wound disc the 3rd plane is 19 °.
8. rotor elastic shock-absorbing device as claimed in claim 1, it is characterised in that described gear shaft includes multiple external tooth, 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, it is characterised 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, it is characterised 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 device as claimed in claim 10, it is characterised in that described rotor elastic shock-absorbing device also includes a collar, and the described collar is enclosed within the corresponding face of cylinder of described damping disc and described wire-wound disc.
12. the rotor elastic shock-absorbing device as described in any one of claim 1 to 11, it is characterised 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 CN103929007A (en) | 2014-07-16 |
| CN103929007B true 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 |
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| CN103929007A (en) | 2014-07-16 |
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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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