CN105226477A - A kind of electric rotation transmission device that rolls - Google Patents
A kind of electric rotation transmission device that rolls Download PDFInfo
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- CN105226477A CN105226477A CN201510694643.5A CN201510694643A CN105226477A CN 105226477 A CN105226477 A CN 105226477A CN 201510694643 A CN201510694643 A CN 201510694643A CN 105226477 A CN105226477 A CN 105226477A
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Abstract
The invention discloses a kind of electric rotation transmission device that rolls, comprise axis body part, housing parts and ring part therebetween and bearing.Ring part is axially formed by stacking by many loops rolling friction pair, uses insulating washer to isolate between each loop.In rolling friction pair, flexible ring circumference is in inside and outside conducting ring annular groove, and idle pulley interval is positioned between flexible ring, forms inscribe friction pair with guide rail.When axis body part and housing parts rotate mutually, ring part inside and outside conducting ring generation relative motion, flexible ring is rolled between inside and outside conducting ring, signal and electric current are transmitted by the rolling friction of flexible ring and inside and outside conducting ring, and then realizes the power delivery between turning end and stationary end.The advantage that the electric rotation transmission device of rolling of the present invention has that through-put power is large, the life-span is long, reliable and stable, can be used for rotary transfer that is high-power in the fields such as Aeronautics and Astronautics, navigation, wind-powered electricity generation and big current signal.
Description
Technical field
The present invention relates to electric rotary transfer technical field, especially relate to a kind of electric rotation transmission device that rolls.
Background technology
Electricity rotation transmission device realizes two relative 360 ° of accurate power transmitting devices unrestrictedly rotating freely equipment room power and signal and transmit, and is mainly used in the fields such as Aeronautics and Astronautics, navigation, weapons, wind-powered electricity generation and needs to carry out in the system of signal rotation electrical transmission.As one of the single point failure device of a system, the index such as working life, efficiency of transmission of electric rotation transmission device is directly connected to the success or failure of whole system task.
Along with China constantly increases all kinds of high-power, long-life aerospace craft, air traffic control radar, inertia gyroscope testing equipment and wind power pitch-controlled system demand, require also to improve constantly to the electrical performance indexes such as working life, through-put power, efficiency of transmission of supporting rotating electrical transfer components.While guarantee rotating electrical transfer components is reliable and stable, transmitting high-power is the important directions that following electric rotating transmission technology develops with big current signal, prolongation working life, the efficiency of transmission that strengthens.
Traditional rotating electrical transfer components, i.e. conducting slip ring rely on ring body and brush silk two kinds of different precious metal materials to contact with each other sliding friction to realize rotary transfer function.Because the technology bottleneck of the long-life friction pair material of ring body and brush silk is difficult to capture, current conducting slip ring exists that transmission current is little, moment of friction is comparatively large, efficiency of transmission is lower, the highest shortcoming that can only reach 5 years of working life.
Summary of the invention
The object of the present invention is to provide a kind of electric rotation transmission device that rolls, flexible ring in its applying rolling friction pair structure and the rolling friction between inside and outside conducting ring carry out the sliding friction mode between ring body in alternative conventional conductive slip ring sliding friction auxiliary structure and brush silk, greatly can improve the working life of whole rotating electrical transfer components, improve transmission current, reduce moment of friction, strengthen efficiency of transmission, and then meet the job requirement of large power long life-span application system.
The object of the present invention is achieved like this:
A kind of electric rotation transmission device that rolls, feature is: be made up of axis body part, housing parts, ring part and bearing, and axis body part is turning end, and housing parts is stationary end, wherein:
Axis body part comprises axis body, axis body part positioning strip and bearing pedestal, is respectively provided with a bearing pedestal, has axis body part positioning strip at the outer wall cover of axis body at the two ends, left and right of the axis body of band axis body center cavity; The through housing parts in left and right comprises housing, housing parts positioning strip and bearing (ball) cover, is respectively provided with a bearing (ball) cover corresponding with bearing pedestal position at the two ends, left and right of housing; In axis body part cover shell chamber in the housing, between the bearing pedestal and bearing (ball) cover at two ends, left and right, each cover has a bearing, and the line outlet of axis body part right-hand member is the outlet of turning end lead-out wire, and the line outlet of housing parts left end is the outlet of stationary end lead-out wire;
Ring part is arranged on the centre position between axis body part and housing parts, ring part is axially formed by stacking by several identical loop rolling friction pairs, each loop rolling friction pair is made up of interior conducting ring, outer conducting ring, flexible ring, idle pulley, guide rail and insulating washer, wherein: interior conducting ring is positioned over outer conduction Ring current distribution, in interior conducting ring outer wall, between conducting ring annular groove and the outer conducting ring annular groove of outer conducting ring inwall, circumference has several flexible ring, and idle pulley interval is positioned between adjacent two flexible ring; Interior conducting ring is enclosed within the outer wall in the middle part of axis body by axis body part positioning strip, and outer conducting ring is fixed on the inwall of housing central section by housing parts positioning strip;
Guide rail is provided with between axial outer wall at two ends, each interior conducting ring left and right, adjacent two interior conducting rings, the diameter of guide rail is less than the internal diameter of outer conducting ring and is greater than the external diameter of interior conducting ring, and the two ends, left and right of idle pulley are placed on the guide rail at two ends, interior conducting ring left and right respectively; Between each loop rolling friction pair of ring part, the insulating washer that material is polyimides is installed.
Evenly be provided with four interior conducting rings in the inner radial wall of interior conducting ring and stretch out boss, the radial outer wall of conducting ring is evenly provided with four outer conducting rings and stretches out boss outside.
Flexible ring is the flexible thin wall circular be made up of the beryllium-bronze material that fatigue life is strong, and wall thickness is not more than 0.3mm.
Bearing is pair of horns contact ball bearing, for supporting and realizing the relative rotation of axis body part with housing parts.
The present invention compared with prior art has following characteristics:
1, the sliding friction mode that rolling of the present invention electric rotation transmission device applying rolling friction mode carrys out alternative conventional conductive slip ring realizes the rotary transfer of power signal, effectively can reduce abrasion, reduce moment of friction, extend working life, the working life of device for transporting electricity at heavy is made to be increased to more than 15 years, and improve the reliability and stability of transmission high-power signal, achieve the rotary transfer of 50KW high-power signal, aviation can be met, space flight, navigation, wind-powered electricity generation etc. between various fields rotating machinery and permanent plant to the requirement of high-power signal rotary transfer and long-lived operation.
2, by modularization, the standardized designs to ring part rolling friction pair, modular unit can be adopted to carry out different rings way, the rolling friction pair textural association of unlike signal transport-type, to meet the diversified application demand of each field to the electric rotation transmission device that rolls.
Therefore, the outstanding technological merits such as the present invention has that through-put power is large, low noise, friction moment, long-life and high reliability, extensively can be matched in space industry long-life satellite solar array, foreign-going ship radar, inertia gyroscope High Accuracy Inertial test macro and wind turbine generator etc. are high-power, the electric rotating of long-life equipment transmits in application system.
Accompanying drawing explanation
Fig. 1 is overall structure profile of the present invention;
Fig. 2 is the section of structure of axis body part;
Fig. 3 is the section of structure of housing parts;
Fig. 4 is the construction profile figure of ring part rolling friction pair;
Description of reference numerals:
1-axis body part; 2-housing parts; 3-ring part; 4-bearing; 5-rolling friction pair; Conducting ring in 6-; The outer conducting ring of 7-; 8-flexible ring; 9-idle pulley; 10-guide rail; 11-insulating washer; Conducting ring annular groove in 12-; The outer conducting ring annular groove of 13-; 14-axis body; 15-axis body part positioning strip; 16-bearing pedestal; 17-housing; 18-housing parts positioning strip; 19-bearing (ball) cover; In 20-, conducting ring inward flange stretches out boss; The outer conducting ring outward flange of 21-stretches out boss; The line outlet of 22-axis body part right-hand member; The line outlet of 23-housing parts left end; Line outlet on 24-axis body; 25-axis body center cavity; Cavity between 26-housing and housing parts positioning strip.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
As shown in Figure 1, a kind of electric rotation transmission device that rolls, be made up of axis body part 1, housing parts 2, ring part 3 and bearing 4, axis body part 1 is turning end, housing parts 2 is stationary end, is mounted with ring part 3 and bearing 4 between axis body part 1 and housing parts 2.
As Fig. 1,2, shown in 3, axis body part 1 comprises axis body 14, axis body part positioning strip 15 and bearing pedestal 16, is respectively provided with a bearing pedestal 16, has axis body part positioning strip 15 at the outer wall cover of axis body 14 at the two ends, left and right of the axis body 14 of band axis body center cavity 25; The through housing parts 2 in left and right comprises housing 17, housing parts positioning strip 18 and bearing (ball) cover 19, a bearing (ball) cover 19 corresponding with bearing pedestal 16 position is respectively installed at the two ends, left and right of housing 17, axis body part 1 is enclosed within the shell chamber 27 in housing 17, between the bearing pedestal 16 and bearing (ball) cover 19 at two ends, left and right, each cover has a bearing 4, bearing pedestal 16 is for spring bearing 4, bearing (ball) cover 19 is for rigid bearing 4, the line outlet 22 of axis body part 1 right-hand member is the outlet of turning end lead-out wire, and the line outlet 23 of housing parts 2 left end is the outlet of stationary end lead-out wire.
As shown in Fig. 1,4, ring part 3 is arranged on the centre position between axis body part 1 and housing parts 2, adopts axis body part positioning strip 15 and housing parts positioning strip 18 can ensure the installation accuracy of ring part 3.Ring part 3 is axially formed by stacking by ten identical loop rolling friction pairs 5, each loop rolling friction pair 5 is made up of interior conducting ring 6, outer conducting ring 7, flexible ring 8, idle pulley 9, guide rail 10 and insulating washer 11, wherein: interior conducting ring 6 is positioned over the center of outer conducting ring 7, in interior conducting ring 6 outer wall, between conducting ring annular groove 12 and the outer conducting ring annular groove 13 of outer conducting ring 7 inwall, circumference has several flexible ring 8, and idle pulley 9 interval is positioned between adjacent two flexible ring 8; Interior conducting ring 6 is enclosed within the outer wall in the middle part of axis body 14 by axis body part positioning strip 15, outer conducting ring 7 is fixed on the inwall in the middle part of housing 17 by housing parts positioning strip 18, when ensureing to rotate, interior conducting ring 6 and axis body part 1 geo-stationary, outer conducting ring 7 and housing parts 2 geo-stationary.
Guide rail 10 is provided with between axial outer wall at each interior conducting ring about 6 two ends, adjacent two interior conducting rings 6, the diameter of guide rail 10 is less than the internal diameter of outer conducting ring 7 and is greater than the external diameter of interior conducting ring 6, the two ends, left and right of idle pulley 9 are placed on the guide rail 10 at interior conducting ring about 6 two ends respectively, and idle pulley 9 relies on the location of flexible ring 8 and pretension effect and guide rail 10 to form inscribe friction pair; Between each loop rolling friction pair 5 of ring part 3, the insulating washer 11 that material is polyimides is installed, for the isolation of electric signal between each loop, prevents short circuit.
As shown in Figure 4, evenly be provided with four interior conducting rings in the inner radial wall of interior conducting ring 6 and stretch out boss 20, the radial outer wall of conducting ring 7 is evenly provided with four outer conducting rings and stretches out boss 21 outside, interior conducting ring stretches out boss 20 for conducting ring lead-out wire in hook weldering, and outer conducting ring stretches out boss 21 for the outer conducting ring lead-out wire of hook weldering.Interior conducting ring lead-out wire and turning end lead-out wire, introduce axis body center cavity 25 by the line outlet 24 on axis body 14, and draw to the line outlet 22 of axis body 14 part right-hand member.Outer conducting ring lead-out wire and stationary end lead-out wire, drawn by the line outlet 23 of the housing hollow 26 between housing 17 and housing parts positioning strip 18 to housing 17 part left end.
Flexible ring 8 is the flexible thin wall circular be made up of the beryllium-bronze material that fatigue life is strong, and wall thickness is not more than 0.3mm.
Bearing 4 is pair of horns contact ball bearing, for supporting and realizing the relative rotation of axis body part 1 with housing parts 2.Stainless steel material selected by bearing 4 base material, and lubricating system adopts molybdenum bisuphide solid lubrication, can meet 10
8turn above working life demands.For reducing thickness and the diameter of housing 17, alleviating construction weight, the bearing capacity of bearing 4 is placed on axis body part 1, bearing (ball) cover 19 rigid bearing 4 of housing parts 2 is outside.
Operation principle:
When axis body part 1 is rotated mutually with housing parts 2, there is relative motion in interior conducting ring 6, the outer conducting ring 7 of ring part 3, flexible ring 8 is rolled between interior conducting ring 6, outer conducting ring 7, drive idle pulley 9 to carry out rotation and revolution simultaneously, signal and electric current are transmitted by the rolling friction of flexible ring 8 with interior conducting ring 6, outer conducting ring 7, and then realize the power delivery between turning end and stationary end.
The stability of dynamic Contact performance when ensureing running in the outer conducting ring annular groove 13 of flexible ring 8 conducting ring annular groove 12 and outer conducting ring 7 inwall in interior conducting ring 6 outer wall and when being clamped by interior conducting ring annular groove 12 and outer conducting ring annular groove 13, need ensure that flexible ring 8 has enough decrements, and the radius of flexible ring 8 reaches interior conducting ring annular groove 12 radius of interior conducting ring 6 outer wall and outer conducting ring annular groove 13 radius of outer conducting ring 7 inwall, now, flexible ring 8 is maximum with the contact area of the interior conducting ring annular groove 12 of interior conducting ring 6 outer wall and the outer conducting ring annular groove 13 of outer conducting ring 7 inwall, contact stress reaches minimum, the contact resistance produced is also minimum.
Guide rail 10 for installing idle pulley 10, and provides roller track for idle pulley 10, the circumferential rotary motion trace of restriction idle pulley 10 and axial location, provides axially to flexible ring 8 and radial two kinds of position constraints simultaneously, and the ring group of bonding layer loop is installed rationally and good operation.
The material of idle pulley 9 is polytetrafluoroethylene, and the axial dimension of idle pulley 9 is not to produce sliding friction to determine between guide rail 10 and idle pulley 9, and radial dimension is determined according to velocity method.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.
Claims (4)
1. roll an electric rotation transmission device, and it is characterized in that: be made up of axis body part, housing parts, ring part and bearing, axis body part is turning end, and housing parts is stationary end, wherein:
Axis body part comprises axis body, axis body part positioning strip and bearing pedestal, is respectively provided with a bearing pedestal, has axis body part positioning strip at the outer wall cover of axis body at the two ends, left and right of the axis body of band axis body center cavity; The through housing parts in left and right comprises housing, housing parts positioning strip and bearing (ball) cover, a bearing (ball) cover corresponding with bearing pedestal position is respectively installed at the two ends, left and right of housing, in axis body part cover shell chamber in the housing, between the bearing pedestal and bearing (ball) cover at two ends, left and right, each cover has a bearing, the line outlet of axis body part right-hand member is the outlet of turning end lead-out wire, and the line outlet of housing parts left end is the outlet of stationary end lead-out wire;
Ring part is arranged on the centre position between axis body part and housing parts, ring part is axially formed by stacking by several identical loop rolling friction pairs, each loop rolling friction pair is made up of interior conducting ring, outer conducting ring, flexible ring, idle pulley, guide rail and insulating washer, wherein: interior conducting ring is positioned over outer conduction Ring current distribution, in interior conducting ring outer wall, between conducting ring annular groove and the outer conducting ring annular groove of outer conducting ring inwall, circumference has several flexible ring, and idle pulley interval is positioned between adjacent two flexible ring; Interior conducting ring is enclosed within the outer wall in the middle part of axis body by axis body part positioning strip, and outer conducting ring is fixed on the inwall of housing central section by housing parts positioning strip;
Guide rail is provided with between axial outer wall at two ends, each interior conducting ring left and right, adjacent two interior conducting rings, the diameter of guide rail is less than the internal diameter of outer conducting ring and is greater than the external diameter of interior conducting ring, and the two ends, left and right of idle pulley are placed on the guide rail at two ends, interior conducting ring left and right respectively; Between each loop rolling friction pair of ring part, the insulating washer that material is polyimides is installed.
2. the electric rotation transmission device of rolling according to claim 1, is characterized in that: the inner radial wall of interior conducting ring is evenly provided with four interior conducting rings and stretches out boss, and the radial outer wall of conducting ring is evenly provided with four outer conducting rings and stretches out boss outside.
3. the electric rotation transmission device of rolling according to claim 1, is characterized in that: flexible ring is the flexible thin wall circular be made up of the beryllium-bronze material that fatigue life is strong, and wall thickness is not more than 0.3mm.
4. the electric rotation transmission device of rolling according to claim 1, is characterized in that: bearing is pair of horns contact ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510694643.5A CN105226477B (en) | 2015-10-23 | 2015-10-23 | One kind rolls electric rotation transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510694643.5A CN105226477B (en) | 2015-10-23 | 2015-10-23 | One kind rolls electric rotation transmission device |
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| Publication Number | Publication Date |
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| CN105226477A true CN105226477A (en) | 2016-01-06 |
| CN105226477B CN105226477B (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510694643.5A Active CN105226477B (en) | 2015-10-23 | 2015-10-23 | One kind rolls electric rotation transmission device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834332A (en) * | 2017-09-12 | 2018-03-23 | 中国兵器装备集团上海电控研究所 | It is a kind of can modularization assembling rolling electricity rotation transmission device |
| CN108018507A (en) * | 2017-11-07 | 2018-05-11 | 九江精达检测技术有限公司 | A kind of flexible ring preparation method for rolling electric rotation transmission device |
| CN109596345A (en) * | 2017-09-28 | 2019-04-09 | 南京淳泰控制设备有限公司 | A kind of solar array driving mechanism cylinder conducting ring running in machine |
| CN111326928A (en) * | 2020-03-11 | 2020-06-23 | 北京理工大学 | Radial surface contact slip ring of flexible contact electrode |
| CN111416253A (en) * | 2020-03-31 | 2020-07-14 | 北京控制工程研究所 | Electricity transmission rotary joint |
| CN111478139A (en) * | 2020-03-25 | 2020-07-31 | 中船九江精达科技股份有限公司 | Small-size rolling electric rotating transmission device |
| CN112134112A (en) * | 2020-09-23 | 2020-12-25 | 中国兵器装备集团上海电控研究所 | Roller-shaped rotary transmission device and power rotary transmission method |
| CN113594819A (en) * | 2021-05-28 | 2021-11-02 | 上海宇航系统工程研究所 | Rolling ring structure with motion adaptivity |
| CN115693329A (en) * | 2022-11-28 | 2023-02-03 | 中船九江精达科技股份有限公司 | 35Kv high-power electric rotation transmission device for ocean engineering and installation method thereof |
| WO2024046446A1 (en) * | 2022-08-31 | 2024-03-07 | Tethr Limited | Improved electrical interfaces for motors |
| CN117937191A (en) * | 2024-03-20 | 2024-04-26 | 北京微动时空科技有限公司 | Hairspring cycloid electric transmission device |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834332B (en) * | 2017-09-12 | 2020-09-04 | 中国兵器装备集团上海电控研究所 | Rolling electric rotating transmission device capable of being assembled in modular mode |
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| CN111326928A (en) * | 2020-03-11 | 2020-06-23 | 北京理工大学 | Radial surface contact slip ring of flexible contact electrode |
| CN111326928B (en) * | 2020-03-11 | 2021-07-13 | 北京理工大学 | Radial surface contact slip ring of flexible contact electrode |
| CN111478139A (en) * | 2020-03-25 | 2020-07-31 | 中船九江精达科技股份有限公司 | Small-size rolling electric rotating transmission device |
| CN111416253A (en) * | 2020-03-31 | 2020-07-14 | 北京控制工程研究所 | Electricity transmission rotary joint |
| CN112134112A (en) * | 2020-09-23 | 2020-12-25 | 中国兵器装备集团上海电控研究所 | Roller-shaped rotary transmission device and power rotary transmission method |
| CN113594819A (en) * | 2021-05-28 | 2021-11-02 | 上海宇航系统工程研究所 | Rolling ring structure with motion adaptivity |
| WO2024046446A1 (en) * | 2022-08-31 | 2024-03-07 | Tethr Limited | Improved electrical interfaces for motors |
| CN115693329A (en) * | 2022-11-28 | 2023-02-03 | 中船九江精达科技股份有限公司 | 35Kv high-power electric rotation transmission device for ocean engineering and installation method thereof |
| CN115693329B (en) * | 2022-11-28 | 2023-09-29 | 中船九江精达科技股份有限公司 | 35Kv high-power electric rotation transmission device for ocean engineering and installation method thereof |
| CN117937191A (en) * | 2024-03-20 | 2024-04-26 | 北京微动时空科技有限公司 | Hairspring cycloid electric transmission device |
| CN117937191B (en) * | 2024-03-20 | 2024-05-31 | 北京微动时空科技有限公司 | Hairspring cycloid electric transmission device |
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