CN102352916B - External swing speed increasing/reducing device with less teeth difference and more crankshafts - Google Patents
External swing speed increasing/reducing device with less teeth difference and more crankshafts Download PDFInfo
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- CN102352916B CN102352916B CN 201110329604 CN201110329604A CN102352916B CN 102352916 B CN102352916 B CN 102352916B CN 201110329604 CN201110329604 CN 201110329604 CN 201110329604 A CN201110329604 A CN 201110329604A CN 102352916 B CN102352916 B CN 102352916B
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- throw crank
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Abstract
The invention relates to an external swing speed increasing/reducing device with less teeth difference and more crankshafts, and the device comprises a box and a low speed shaft, wherein gears are arranged on the low speed shaft and equipped with two gear rings with same teeth number on the axial direction of the outboards of the gears, and the phase difference, in a circumferential direction, of the two gear rings is 180 degrees; two or more two-throw crank shafts with 180-degree phase difference in the circumferential direction are arranged at both sides or in the circumferential direction of the two gear rings; a high speed shaft, which is a two-throw crank shaft with 180-degree phase difference in the circumferential direction, is arranged at the middle part at the other side of the box; and a transmission two-throw crank shaft connected with the two-throw crank shaft is arranged at both sides or in the circumferential direction of the high speed shaft, and two cranks of the transmission two-throw crank shaft are respectively connected with two cranks of the high speed shaft through wobble plates. The external swing speed increasing/reducing device has the advantages of compact structure, reasonable arrangement, small volume, light weight and large single-level drive ratio. The external swing speed increasing/reducing device can realize non-clearance transmission with high precision, has the characteristics of wide scope of transmission power and torsion, high transmission efficiency and precision, stable operation and high cost performance, and is especially suitable for high-power and large-torsion speeders.
Description
Technical field
The invention belongs to the mechanical transmissioning technology field, be specifically related to the few tooth difference of the many bent axles of a kind of outer swing and increase/retarder, can be used as speedup or speed reducer.
Technical background
Booster engine and speed reducer are widely used mechanical transmissions.The speed reducer of present various structures is used general.Comparatively speaking, the theoretical and invention of the use amount of booster engine smaller (being mainly used in the powerful wind power plant) booster engine also wants deficient.
In principle, with speed reducer conversely with being exactly booster engine.But use simply conversely common booster engine, its impact shock is bigger, and the small gear life-span is shorter, easy tooth-breaking.Because it is the big or small gear quality of few tooth difference transmission mechanism is close, therefore that the gear with small teeth difference transmission application is comparatively desirable in booster engine.Existing gear with small teeth difference transmission device mostly is single axle swing arm structure, shaft strength is big, output mechanism is stressed unreasonable, whole driving mechanism size is big, Heavy Weight, transmitted power is less than normal, and the manufacture cost height, the sexual valence ratio is (referring to " multiaxis swing reducing gear ", the patent No.: ZL200420017855.7).
Summary of the invention
Problem to be solved by this invention is the deficiency that exists at above-mentioned prior art and provides a kind of compact structure, the few tooth difference of the many bent axles of outer swing that volume is little to increase/retarder, not only single staged transmission ratio (increase, reduction speed ratio) is big for it, transmitted power, torque range are big, and transmission efficiency height, operate steadily the cost performance height.
The present invention is that the technological scheme that the problem of the above-mentioned proposition of solution adopts is: include casing, one middle side part of casing is installed on lower velocity shaft, gear is set on the lower velocity shaft, the identical number of teeth gear ring that the circumferential phase difference of installing two of gear outer axial arrangement is 180 °, two mesh relative with gear of gear ring, the difference of the number of teeth of gear ring and gear is 1～6 tooth, in the both sides of two gear rings or circumferentially dispose two-throw crank shaft more than two or two, 180 ° of described two-throw crank shaft phase differences, the two supports of two-throw crank shaft on casing, two cranks respectively with the both sides of two gear rings or the bearing hole phase configuration that circumferentially arranges; Opposite side middle part at casing is installed on high speed shaft, described high speed shaft is the two-throw crank shaft of 180 ° of phase differences, in the both sides of high speed shaft or circumferentially be installed on the transmission two-throw crank shaft that links with two-throw crank shaft, two cranks of transmission two-throw crank shaft link to each other with two cranks of high speed shaft by balance respectively.
Press such scheme, the both sides of described two gear rings or circumferentially dispose 3～8 two-throw crank shafts.
Press such scheme, the difference of the number of teeth of described gear ring and gear is 1～2 tooth.
Press such scheme, the profile of tooth of described gear and gear ring is the double cycloid profile of tooth.
Press such scheme, described lower velocity shaft is input shaft, and described high speed shaft is output shaft, constitutes speed increaser thus.
Press such scheme, the speed increasing ratio of described speed increaser is 1: 10～120.
Press such scheme, described casing includes main box body and auxiliary housing, be installed on lower velocity shaft, gear and gear ring in the described main box body, and with the two-throw crank shaft of gear ring phase configuration, described auxiliary housing is installed on high speed shaft and transmission two-throw crank shaft, and is connected in the balance between high speed shaft and the transmission crutches axle.
Press such scheme, the axis of described lower velocity shaft and high speed shaft coincides, and the axis of described two-throw crank shaft coincides respectively with the axis of the transmission two-throw crank shaft that links to each other, and transmission two-throw crank shaft one end links by coupling and two-throw crank shaft.
Working procedure of the present invention is: when outer motivational drive lower velocity shaft drove the external gear rotation, two gear rings of engagement were done the synchronous raising speed swing thereupon relatively with it.The swing of two gear rings drives with the two-throw crank shaft of its phase configuration and does the speedup rotation; Two-throw crank shaft drives the rotation of transmission two-throw crank shaft by coupling, and two cranks of transmission two-throw crank shaft drive two cranks rotations of high speed shaft respectively by balance, give high speed shaft with rotating speed and transmission of power, namely finish the speedup transmittance process.
Beneficial effect of the present invention is: 1, compact structure, arrange rationally, and volume is little, and is in light weight, and single staged transmission ratio is big, is particularly suited for the high power speed-increasing device; 2, adopt few multiple tooth engagement of tooth difference double cycloid tooth, can realize high-precision no gap transmission, total number of teeth in engagement is many, and transmitted power and torque range are big, and transmission efficiency and transmission accuracy height operate steadily, long service life, relative low cost of manufacture, cost performance height; The power that the present invention transmits can reach more than 5～10MW, and input (or output) moment of torsion can reach more than the 1000Tm, and transmission efficiency can reach more than the 0.95-0.97%; 3, adopt the bent axle of bidentate circle, crutches structure to make speed increaser possess good dynamic balancing, further strengthen stability and the reliability of operation.
Description of drawings
Fig. 1 is the positive sectional structure chart of one embodiment of the invention.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is the B-B sectional view among Fig. 1.
Fig. 4 is the C-C sectional view among Fig. 1.
Embodiment
Further specify embodiments of the invention below in conjunction with accompanying drawing.
Include casing, described casing includes main box body 18 and auxiliary housing 17, and auxiliary housing is arranged on a side of main box body and links by bolt, and the opposite side configuration of main box body is provided with the case lid 5 of bearing support; Be installed on lower velocity shaft 19 at the middle part of main box body, the two ends of lower velocity shaft join by the bearing support of bearing 7 with main box body, be installed with gear 6 on the lower velocity shaft, the identical number of teeth gear ring 2 that the circumferential phase difference of installing two of gear outer axial arrangement is 180 °, two mesh relative with gear of gear ring, the number of teeth of gear ring is 79 teeth, the number of teeth of gear is 78 teeth, the difference of the number of teeth of gear ring and gear is 1 tooth, throw of eccentric between two gear ring center axis and the Gear axis is e1, the profile of tooth of described gear and gear ring is the double cycloid profile of tooth, be straight-tooth, gear ring body end surface shape is similar to Long Hexagon, two-throw crank shaft more for a long time, gear ring body end surface shape also can be done circular, symmetry is respectively offered two bearing holes on the gear ring body of two gear ring both sides, the every side in the both sides of gear ring disposes two two-throw crank shafts 1,180 ° of the phase differences of two cranks of described two-throw crank shaft, the throw of eccentric of the axis of two cranks and crankshaft rotating axis is e1, corresponding with two gear rings, the two ends axle journal of two-throw crank shaft is bearing on the casing by bearing 4, and two cranks of two-throw crank shaft are by the bearing 3 bearing hole phase configuration corresponding with the both sides of two gear rings respectively.Auxiliary housing 17 middle parts at the casing opposite side are installed on high speed shaft 15, described high speed shaft is the two-throw crank shaft of 180 ° of phase differences, the throw of eccentric of the axis of two cranks and crankshaft rotating axis is e2, the two ends of high speed shaft join with the bearing support that bearing support and the lower velocity shaft termination of auxiliary housing are offered respectively by bearing 16, and the axis of high speed shaft and lower velocity shaft coincides; Be installed on the transmission two-throw crank shaft 11 that links with two-throw crank shaft in the both sides of high speed shaft, described transmission two-throw crank shaft one end is supported on the bearing support of auxiliary housing by bearing 13, the other end links by coupling and two-throw crank shaft, described coupling comprises the axle sleeve 9 and the key 8 that is installed on the two-throw crank shaft that connects firmly in transmission two-throw crank shaft termination, axle sleeve is set in the termination of two-throw crank shaft and keyway and the key phase configuration of offering by correspondence, be supported in the bearing support of main box body together with the termination of two-throw crank shaft, the axis of described two-throw crank shaft coincides respectively with the axis of the transmission two-throw crank shaft that links to each other, the transmission two-throw crank shaft is four, two crank phases of transmission two-throw crank shaft differ from 180 °, the throw of eccentric of the axis of two cranks and crankshaft rotating axis is e2, the transmission two-throw crank shaft links to each other with two cranks of high speed shaft by two balances 12 respectively, offer the bearing hole with high speed shaft crank phase configuration in the middle of the described balance, install bearing 14 in the bearing hole, bilateral symmetry is respectively offered the crank phase configuration of two bearing holes transmission two-throw crank shaft corresponding with both sides, and in bearing hole configuration bearing 10.Give high speed shaft by transmission two-throw crank shaft and balance with transmission of torque.Lower velocity shaft is input shaft in the present embodiment, and low-speed big power is by lower velocity shaft and external gear input, and high speed shaft is output shaft, with high speed rotating output, constitutes the single-stage speed increaser thus, and speed increasing ratio is 1: 78.
If outer power is imported from high speed shaft, present embodiment can be used as retarder.
Claims (10)
1. the few tooth difference of the many bent axles of outer swing increases/retarder, it is characterized in that including casing, one middle side part of casing is installed on lower velocity shaft, gear is set on the lower velocity shaft, the identical number of teeth gear ring that the circumferential phase difference of installing two of gear outer axial arrangement is 180 °, two mesh relative with gear of gear ring, the difference of the number of teeth of gear ring and gear is 1～6 tooth, in the both sides of two gear rings or circumferentially dispose two-throw crank shaft more than two or two, 180 ° of described two-throw crank shaft phase differences, the two supports of two-throw crank shaft on casing, two cranks respectively with the both sides of two gear rings or the bearing hole phase configuration that circumferentially arranges; Opposite side middle part at casing is installed on high speed shaft, described high speed shaft is the two-throw crank shaft of 180 ° of phase differences, in the both sides of high speed shaft or circumferentially be installed on the transmission two-throw crank shaft that links with two-throw crank shaft, two cranks of transmission two-throw crank shaft link to each other with two cranks of high speed shaft by balance respectively.
2. increase/retarder by the few tooth difference of the claim 1 many bent axles of described outer swing, it is characterized in that the both sides of described two gear rings or circumferentially dispose 3～8 two-throw crank shafts.
3. increase/retarder by claim 1 or the few tooth difference of the 2 many bent axles of described outer swing, the difference that it is characterized in that the number of teeth of described gear ring and gear is 1～2 tooth.
4. increase/retarder by claim 1 or the few tooth difference of the 2 many bent axles of described outer swing, the profile of tooth that it is characterized in that described gear and gear ring is the double cycloid profile of tooth.
5. increase/retarder by claim 1 or the few tooth difference of the 2 many bent axles of described outer swing, it is characterized in that described lower velocity shaft is input shaft, described high speed shaft is output shaft, constitutes speed increaser thus.
6. increase/retarder by the few tooth difference of the claim 5 many bent axles of described outer swing, the speed increasing ratio that it is characterized in that described speed increaser is for being 1: 10～120.
7. increase/retarder by claim 1 or the few tooth difference of the 2 many bent axles of described outer swing, it is characterized in that described casing includes main box body and auxiliary housing, be installed on lower velocity shaft, gear and gear ring in the described main box body, and with the two-throw crank shaft of gear ring phase configuration, described auxiliary housing is installed on high speed shaft and transmission two-throw crank shaft, and is connected in the balance between high speed shaft and the transmission crutches axle.
8. increase/retarder by claim 1 or the few tooth difference of the 2 many bent axles of described outer swing, the axis that it is characterized in that described lower velocity shaft and high speed shaft coincides, the axis of described two-throw crank shaft coincides respectively with the axis of the transmission two-throw crank shaft that links to each other, and transmission two-throw crank shaft one end links by coupling and two-throw crank shaft.
9. increase/retarder by claim 1 or the few tooth difference of the 2 many bent axles of described outer swing, it is characterized in that two crank phase differences of transmission two-throw crank shaft are 180 °.
10. increase/retarder by the few tooth difference of the claim 8 many bent axles of described outer swing, it is characterized in that symmetry is respectively offered two bearing holes on the gear ring body of two gear ring both sides, the every side in the both sides of gear ring disposes two two-throw crank shafts, two cranks of two-throw crank shaft are by the bearing bearing hole phase configuration corresponding with the both sides of two gear rings respectively, it is four that the transmission hyperbolic turns, two crank phases of transmission two-throw crank shaft differ from 180 °, link to each other with two cranks of high speed shaft by two balances respectively; Offer the bearing hole with high speed shaft crank phase configuration in the middle of the described balance, bilateral symmetry is offered the crank phase configuration of two bearing holes transmission two-throw crank shaft corresponding with both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110329604 CN102352916B (en) | 2011-10-26 | 2011-10-26 | External swing speed increasing/reducing device with less teeth difference and more crankshafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110329604 CN102352916B (en) | 2011-10-26 | 2011-10-26 | External swing speed increasing/reducing device with less teeth difference and more crankshafts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102352916A CN102352916A (en) | 2012-02-15 |
| CN102352916B true CN102352916B (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110329604 Expired - Fee Related CN102352916B (en) | 2011-10-26 | 2011-10-26 | External swing speed increasing/reducing device with less teeth difference and more crankshafts |
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| CN (1) | CN102352916B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105156623B (en) * | 2015-09-22 | 2017-07-28 | 哈尔滨工业大学 | A kind of zero return difference multichain synchronization rocker device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1156222A (en) * | 1996-02-01 | 1997-08-06 | 冶金工业部重庆钢铁设计研究院 | Synthetic speed reducing driving device |
| CN2802189Y (en) * | 2004-04-23 | 2006-08-02 | 张宽友 | Multi-axle oscillating speed reducing mechanism |
| CN201284724Y (en) * | 2008-11-11 | 2009-08-05 | 上海应用技术学院 | Gear speed raising apparatus of wind generator set |
| CN201412480Y (en) * | 2009-06-05 | 2010-02-24 | 北京瑞德信通用机械设备制造有限公司 | Rod-type output speed reducer |
| CN102192272A (en) * | 2010-03-05 | 2011-09-21 | 黄秋莎 | Balance outer ring-type reducer |
| CN202301817U (en) * | 2011-10-26 | 2012-07-04 | 张宽友 | Outer-swing multiple-crank-shaft less-tooth-difference accelerator/decelerator |
-
2011
- 2011-10-26 CN CN 201110329604 patent/CN102352916B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1156222A (en) * | 1996-02-01 | 1997-08-06 | 冶金工业部重庆钢铁设计研究院 | Synthetic speed reducing driving device |
| CN2802189Y (en) * | 2004-04-23 | 2006-08-02 | 张宽友 | Multi-axle oscillating speed reducing mechanism |
| CN201284724Y (en) * | 2008-11-11 | 2009-08-05 | 上海应用技术学院 | Gear speed raising apparatus of wind generator set |
| CN201412480Y (en) * | 2009-06-05 | 2010-02-24 | 北京瑞德信通用机械设备制造有限公司 | Rod-type output speed reducer |
| CN102192272A (en) * | 2010-03-05 | 2011-09-21 | 黄秋莎 | Balance outer ring-type reducer |
| CN202301817U (en) * | 2011-10-26 | 2012-07-04 | 张宽友 | Outer-swing multiple-crank-shaft less-tooth-difference accelerator/decelerator |
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| Publication number | Publication date |
|---|---|
| CN102352916A (en) | 2012-02-15 |
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Granted publication date: 20130828 Termination date: 20161026 |