CN105226477B - One kind rolls electric rotation transmission device - Google Patents
One kind rolls electric rotation transmission device Download PDFInfo
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- CN105226477B CN105226477B CN201510694643.5A CN201510694643A CN105226477B CN 105226477 B CN105226477 B CN 105226477B CN 201510694643 A CN201510694643 A CN 201510694643A CN 105226477 B CN105226477 B CN 105226477B
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Abstract
Electric rotation transmission device is rolled the invention discloses one kind, including axis body part, housing parts and ring part and bearing therebetween.Ring part is formed by many loop rolling friction pairs are axially stacking, is isolated between each loop using insulating washer.Flexible ring circumference is in inside and outside conducting ring annular groove in rolling friction pair, and idle pulley is spaced apart in flexible interannular, with guide rail formation inscribe friction pair.When axis body part and housing parts are mutually rotated, relative motion occurs for the inside and outside conducting ring of ring part, flexible ring is rolled in inside and outside conductive interannular, so that signal and electric current are transmitted by flexible ring and the rolling friction of inside and outside conducting ring, and then realize the power transmission between turning end and stationary end.The electric rotation transmission device of rolling of the present invention has the advantages that big transimission power, long lifespan, reliable and stable, available for high-power and high current signal rotary transfer in the fields such as Aeronautics and Astronautics, navigation, wind-powered electricity generation.
Description
Technical field
The present invention relates to electric rotary transfer technical field, electric rotation transmission device is rolled more particularly, to one kind.
Background technology
Electric rotation transmission device realizes that the two relative 360 ° unrestricted equipment room power and signals that rotate freely are transmitted
Accurate power transmitting device, being mainly used in the fields such as Aeronautics and Astronautics, navigation, weapons, wind-powered electricity generation needs to carry out signal rotation electrical transmission
System in.One of single point failure device as a system, working life, efficiency of transmission of electric rotation transmission device etc. refer to
Mark is directly connected to the success or failure of whole system task.
As China is to all kinds of high-power, long-life aerospace crafts, air traffic control radar, inertia gyroscope test equipment and wind-powered electricity generation
The demand of pitch-controlled system is continuously increased, to working life, transimission power, efficiency of transmission of supporting rotating electrical transfer components etc. electrically
Energy index request is also improved constantly.While ensureing that rotating electrical transfer components are reliable and stable, high-power and high current letter is transmitted
Number, extension working life, enhancing efficiency of transmission be the development of following electric rotating transmission technology an important directions.
Traditional rotating electrical transfer components, i.e. conducting slip ring, are to rely on two kinds of different precious metal material phases of ring body and brush filament
Sliding friction is mutually contacted to realize rotary transfer function.Due to ring body and the technology of the long-life friction pair material of brush filament bottle
Neck is difficult to capture, and current conducting slip ring is in the presence of transmission electric current is small, moment of friction is larger, efficiency of transmission is relatively low, and working life is most
Height can only achieve the shortcoming of 5 years.
The content of the invention
Rolled it is an object of the invention to provide one kind soft in electric rotation transmission device, its applying rolling friction auxiliary structure
Rolling friction between property ring and inside and outside conducting ring substitutes ring body and brush filament in conventional conductive slip ring sliding friction auxiliary structure
Between sliding friction mode, can be greatly enhanced the working life of whole rotating electrical transfer components, improve transmission electric current, reduction
Moment of friction, strengthens 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：
One kind rolls electric rotation transmission device, is characterized in：It is made up of axis body part, housing parts, ring part and bearing,
Axis body part is turning end, and housing parts are stationary end, wherein：
Axis body part includes axis body, axis body part positioning strip and bearing block, in the left and right of the axis body with axis body center cavity
Two ends are respectively provided with a bearing block, and axis body part positioning strip is cased with the outer wall of axis body；The housing parts of left and right insertion include
Housing, housing parts positioning strip and bearing (ball) cover, be respectively provided with the left and right ends of housing one it is corresponding with bearing block position
Bearing (ball) cover；In the shell chamber of axis body part set in the housing, one is respectively cased between the bearing block and bearing (ball) cover of left and right ends
Individual 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 stationary end
The outlet of lead-out wire；
Ring part is arranged on the centre position between axis body part and housing parts, and ring part is by several complete phases
With loop rolling friction pair it is axially stacking forms, each loop rolling friction pair by interior conducting ring, outer conducting ring, flexible ring,
Idle pulley, guide rail and insulating washer composition, wherein：Interior conducting ring is positioned over the center of outer conducting ring, in interior conducting ring outer wall
Circumference has several flexible rings between conducting ring annular groove and the outer conducting ring annular groove of outer conducting ring inwall, and idle pulley is spaced apart
In two neighboring flexible interannular；Interior conducting ring is enclosed on the outer wall in the middle part of axis body by axis body part positioning strip, and outer conducting ring leads to
Housing parts positioning strip is crossed to be fixed on the inwall of housing central section；
Guide rail is provided between axial outer wall, two neighboring interior conducting ring in each interior conducting ring left and right ends, guide rail
Diameter is less than the internal diameter of outer conducting ring and more than the external diameter of interior conducting ring, and the left and right ends of idle pulley are individually positioned in an interior conducting ring left side
On the guide rail at right two ends；The insulating washer that material is polyimides is installed between each loop rolling friction pair of ring part.
Four interior conducting rings are uniformly provided with the inner radial wall of interior conducting ring and stretch out boss, in the radial outer wall of outer conducting ring
It is uniformly provided with four outer conducting rings and stretches out boss.
Flexible ring is the flexible thin wall circular being made up of fatigue life strong beryllium-bronze material, and wall thickness is not more than 0.3mm.
Bearing is a pair of angular contact ball bearings, for supporting and realizing rotating against for axis body part and housing parts.
The present invention has the characteristics that compared with prior art：
1st, rolling of the invention electric rotation transmission device applying rolling friction mode substitutes the slip of conventional conductive slip ring
Friction mode realizes the rotary transfer of power signal, is effectively reduced abrasion, reduces moment of friction, extends working life, makes electricity
The working life of transmitting device is improved to more than 15 years, and improves the reliability and stability of transmission high-power signal, is realized
The rotary transfer of 50KW high-power signals, can meet the various fields such as Aeronautics and Astronautics, navigation, wind-powered electricity generation rotating machinery and fixation is set
Requirement between standby to high-power signal rotary transfer and long-lived operation.
2nd, by the modularization to ring part rolling friction pair, standardized designs, it can be carried out using modular unit
Different loop numbers, the rolling friction auxiliary structure combination of unlike signal transport-type, to meet each field to rolling electric rotary transfer
The diversified application demand of device.
Therefore, the present invention has the prominent skills such as transimission power big, low noise, less friction square, long-life and high reliability
Art advantage, space industry long-life satellite solar array, foreign-going ship radar, inertia gyroscope High Accuracy Inertial can be matched in extensively
Test system and wind power generating set etc. are high-power, in the rotation electrical transmission application system of long-life equipment.
Brief description of the drawings
Fig. 1 is overall structure profile of the 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 bodies part；2- housing parts；3- ring parts；4- bearings；5- rolling friction pairs；It is conductive in 6-
Ring；The outer conducting rings of 7-；8- flexible rings；9- idle pulleys；10- guide rails；11- insulating washers；Conducting ring annular groove in 12-；13-
Outer conducting ring annular groove；14- axis bodies；15- axis bodies part positioning strip；16- bearing blocks；17- housings；18- housing parts are positioned
Bar；19- bearing (ball) covers；Conducting ring inward flange stretches out boss in 20-；The outer conductive petticoats of 21- stretch out boss；22- axles
The line outlet of body portion right-hand member；The line outlet of 23- housing parts left ends；Line outlet on 24- axis bodies；25- axis bodies center is empty
Chamber；Cavity between 26- housings and housing parts positioning strip.
Embodiment
Below by drawings and examples, technical scheme is described in further detail.
As shown in figure 1, a kind of roll electric rotation transmission device, by axis body part 1, housing parts 2, ring part 3 and axle
4 compositions are held, axis body part 1 is turning end, and housing parts 2 are stationary end, are mounted between axis body part 1 and housing parts 2
Ring part 3 and bearing 4.
Such as Fig. 1,2, shown in 3, axis body part 1 includes axis body 14, axis body part positioning strip 15 and bearing block 16, in band axis body
The left and right ends of the axis body 14 of center cavity 25 are respectively provided with a bearing block 16, and being cased with axis body part in the outer wall of axis body 14 determines
Position bar 15；The housing parts 2 of left and right insertion include housing 17, housing parts positioning strip 18 and bearing (ball) cover 19, in housing 17
Left and right ends are respectively provided with a bearing (ball) cover 19 corresponding with the position of bearing block 16, and axis body part 1 is enclosed on the shell in housing 17
In chamber 27, a bearing 4 is respectively cased between the bearing block 16 and bearing (ball) cover 19 of left and right ends, bearing block 16 is used for support shaft
4 are held, bearing (ball) cover 19 is used for fixing bearing 4, the line outlet 22 of the right-hand member of axis body part 1 is the outlet of turning end lead-out wire, housing
The line outlet 23 of the left end of part 2 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, using axle
Body portion positioning strip 15 and housing parts positioning strip 18 can ensure the installation accuracy of ring part 3.Ring part 3 is complete by ten
Identical loop rolling friction pair 5 is axially stacking to be formed, and each loop rolling friction pair 5 is by interior conducting ring 6, outer conducting ring 7, soft
Property ring 8, idle pulley 9, guide rail 10 and insulating washer 11 are constituted, wherein：Interior conducting ring 6 is positioned over the center of outer conducting ring 7, leads inside
Circumference has several between the interior conducting ring annular groove 12 of the electric outer wall of ring 6 and the outer conducting ring annular groove 13 of the inwall of outer conducting ring 7
Flexible ring 8, idle pulley 9 is spaced apart between two neighboring flexible ring 8；Interior conducting ring 6 is enclosed on axle by axis body part positioning strip 15
On the outer wall at the middle part of body 14, outer conducting ring 7 is fixed on by housing parts positioning strip 18 on the inwall at the middle part of housing 17, it is ensured that rotation
When turning, interior conducting ring 6 and the geo-stationary of axis body part 1, outer conducting ring 7 and the geo-stationary of housing parts 2.
Guide rail 10 is provided between axial outer wall, two neighboring interior conducting ring 6 in each interior left and right ends of conducting ring 6, is led
The diameter of rail 10 is less than the internal diameter of outer conducting ring 7 and more than the external diameter of interior conducting ring 6, and the left and right ends of idle pulley 9 are individually positioned in
On the guide rail 10 of the interior left and right ends of conducting ring 6, positioning and pretension effect and guide rail 10 formation inscribe of the idle pulley 9 by flexible ring 8
Friction pair；The insulating washer 11 that material is polyimides is installed between each loop rolling friction pair 5 of ring part 3, is used for
The isolation of electric signal, prevents short circuit between each loop.
As shown in figure 4, the inner radial wall in interior conducting ring 6 is uniformly provided with four interior conducting rings stretching boss 20, lead outside
The radial outer wall of electric ring 7 is uniformly provided with four outer conducting rings and stretches out boss 21, and interior conducting ring, which stretches out boss 20, to be used to lead in hook weldering
Electric ring lead-out wire, outer conducting ring, which stretches out boss 21, is used for the outer conducting ring lead-out wire of hook weldering.Interior conducting ring lead-out wire is that turning end is drawn
Outlet, introduces axis body center cavity 25, and draw to the line outlet 22 of the part right-hand member of axis body 14 by the line outlet 24 on axis body 14
Go out.Outer conducting ring lead-out wire is stationary end lead-out wire, by the housing hollow 26 between housing 17 and housing parts positioning strip 18 to
The line outlet 23 of the part left end of housing 17 is drawn.
Flexible ring 8 is the flexible thin wall circular being made up of fatigue life strong beryllium-bronze material, and wall thickness is not more than 0.3mm.
Bearing 4 is a pair of angular contact ball bearings, for supporting and realizing rotating against for axis body part 1 and housing parts 2.
The base material of bearing 4 selects stainless steel material, and lubricating system uses molybdenum disulfide solid lubrication, can meet 108Turn the work longevity of the above
Life is required.To reduce the thickness and diameter of housing 17, mitigate construction weight, the bearing capacity of bearing 4 be placed on axis body part 1,
Outside the fixing bearing 4 of bearing (ball) cover 19 of housing parts 2.
Operation principle：
When axis body part 1 and housing parts 2 are mutually rotated, phase occurs for interior conducting ring 6, the outer conducting ring 7 of ring part 3
To motion, flexible ring 8 rolls between interior conducting ring 6, outer conducting ring 7, while drive the progress rotation of idle pulley 9 and revolution, signal and
Electric current is transmitted by flexible ring 8 and the rolling friction of interior conducting ring 6, outer conducting ring 7, and then realizes turning end and stationary end
Between power transmission.
Ensure flexible ring 8 in the interior conducting ring annular groove 12 of the interior outer wall of conducting ring 6 and the outer conducting ring of the inwall of outer conducting ring 7
During running in and by the steady of dynamic Contact performance when interior conducting ring annular groove 12 and outer 13 clamping of conducting ring annular groove in annular groove 13
It is qualitative, it need to ensure that flexible ring 8 has enough decrements, and the radius of flexible ring 8 reaches the interior conducting ring ring of the interior outer wall of conducting ring 6
The outer radius of conducting ring annular groove 13 of the radius of groove 12 and the inwall of outer conducting ring 7, now, flexible ring 8 in the interior outer wall of conducting ring 6 with leading
The contact area of the outer conducting ring annular groove 13 of electric ring annular groove 12 and outer conducting ring 7 inwall is maximum, and contact stress reaches minimum, produces
Contact resistance it is also minimum.
Guide rail 10 is used to install idle pulley 10, and provides roller track for idle pulley 10, and limit idle pulley 10 circumferentially rotates track
And axially position, while providing axially and radially two kinds of position constraints to flexible ring 8, it is ensured that the ring group of individual layer loop is installed reasonable
And good operation.
The material of idle pulley 9 is polytetrafluoroethylene (PTFE), and the axial dimension of idle pulley 9 is rubbed with not producing slip between guide rail 10 and idle pulley 9
Wipe to determine, radial dimension is determined according to velocity method.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The present invention is not by upper
State the limitation of embodiment, merely illustrating the principles of the invention described in above-described embodiment and specification is not departing from the present invention
On the premise of spirit and scope, various changes and modifications of the present invention are possible, and these changes and improvements both fall within claimed
In the scope of the invention.
Claims (4)
1. one kind rolls electric rotation transmission device, it is characterised in that：By axis body part, housing parts, ring part and bearing group
Into, axis body part is turning end, and housing parts are stationary end, wherein：
Axis body part includes axis body, axis body part positioning strip and bearing block, in the left and right ends of the axis body with axis body center cavity
One bearing block is respectively installed, axis body part positioning strip is cased with the outer wall of axis body；The housing parts of left and right insertion include housing,
Housing parts positioning strip and bearing (ball) cover, a bearing end corresponding with bearing block position is respectively provided with the left and right ends of housing
In lid, the shell chamber of axis body part set in the housing, a bearing is respectively cased between the bearing block and bearing (ball) cover of left and right ends,
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 stationary end lead-out wire
Outlet；
Ring part is arranged on the centre position between axis body part and housing parts, and ring part is identical by several
Loop rolling friction pair is axially stacking to be formed, each loop rolling friction pair by interior conducting ring, outer conducting ring, flexible ring, idle pulley,
Guide rail and insulating washer composition, wherein：Interior conducting ring is positioned over the center of outer conducting ring, in the interior conducting ring of interior conducting ring outer wall
Circumference has several flexible rings between annular groove and the outer conducting ring annular groove of outer conducting ring inwall, and idle pulley is spaced apart in adjacent
Two flexible interannulars；Interior conducting ring is enclosed on the outer wall in the middle part of axis body by axis body part positioning strip, and outer conducting ring passes through housing
Part positioning strip is fixed on the inwall of housing central section；
Guide rail, the diameter of guide rail are provided between axial outer wall, two neighboring interior conducting ring in each interior conducting ring left and right ends
Internal diameter less than outer conducting ring and the external diameter more than interior conducting ring, the left and right ends of idle pulley are individually positioned in interior conducting ring or so two
On the guide rail at end；The insulating washer that material is polyimides is installed between each loop rolling friction pair of ring part.
2. according to claim 1 roll electric rotation transmission device, it is characterised in that：The inner radial wall of interior conducting ring is uniform
Boss is stretched out provided with four interior conducting rings, being uniformly provided with four outer conducting rings in the radial outer wall of outer conducting ring stretches out boss.
3. according to claim 1 roll electric rotation transmission device, it is characterised in that：Flexible ring is strong by fatigue life
The flexible thin wall circular that beryllium-bronze material is made, wall thickness is not more than 0.3mm.
4. according to claim 1 roll electric rotation transmission device, it is characterised in that：Bearing is a pair of angular contact ball axles
Hold.
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 |
|---|---|
| CN105226477A CN105226477A (en) | 2016-01-06 |
| CN105226477B true CN105226477B (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510694643.5A Active CN105226477B (en) | 2015-10-23 | 2015-10-23 | One kind rolls electric rotation transmission device |
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| 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 |
| 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 |
| 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 |
| 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 |
| CN111416253B (en) * | 2020-03-31 | 2021-12-07 | 北京控制工程研究所 | Electricity transmission rotary joint |
| CN112134112B (en) * | 2020-09-23 | 2022-05-03 | 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 |
| GB2622040A (en) * | 2022-08-31 | 2024-03-06 | Tethr Ltd | Improved electrical interfaces for motors |
| 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 |
| 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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| DE19945492A1 (en) * | 1999-09-22 | 2001-04-05 | Schleifring Und App Bau Gmbh | Signals transmission device with rolling elements e.g. for cranes, transport systems and radar installations, has rolling elements dimensioned so that they cannot simultaneously make contact with both rotating parts of system |
| FR2828959A1 (en) * | 2001-08-22 | 2003-02-28 | A M C | DEVICE FOR ELECTRIC TRANSMISSION OF ROTARY SYSTEMS |
| DE10216855B4 (en) * | 2002-04-16 | 2004-03-18 | Siemens Ag | Arrangement for power transmission |
| CN103151670A (en) * | 2013-04-03 | 2013-06-12 | 上海航天测控通信研究所 | Rolling confluence ring device suitable for transmission with large power |
| CN205081338U (en) * | 2015-10-23 | 2016-03-09 | 九江精达检测技术有限公司 | Rotatory transmission device of electricity that rolls |
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2015
- 2015-10-23 CN CN201510694643.5A patent/CN105226477B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19945492A1 (en) * | 1999-09-22 | 2001-04-05 | Schleifring Und App Bau Gmbh | Signals transmission device with rolling elements e.g. for cranes, transport systems and radar installations, has rolling elements dimensioned so that they cannot simultaneously make contact with both rotating parts of system |
| FR2828959A1 (en) * | 2001-08-22 | 2003-02-28 | A M C | DEVICE FOR ELECTRIC TRANSMISSION OF ROTARY SYSTEMS |
| DE10216855B4 (en) * | 2002-04-16 | 2004-03-18 | Siemens Ag | Arrangement for power transmission |
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| CN105226477A (en) | 2016-01-06 |
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Address after: 332000 No. 1699 Changjiang Avenue, Jiujiang City, Jiangxi Province Patentee after: China Shipping Jiujiang Jingda Technology Co., Ltd. Address before: 332000 No. 1699 Changjiang Avenue, Lushan District, Jiujiang City, Jiangxi Province Patentee before: Jiujiang Jingda Measurement Technology Co., Ltd. |