CN2763626Y - Universal rolling ball coupling - Google Patents
Universal rolling ball coupling Download PDFInfo
- Publication number
- CN2763626Y CN2763626Y CN 200520050333 CN200520050333U CN2763626Y CN 2763626 Y CN2763626 Y CN 2763626Y CN 200520050333 CN200520050333 CN 200520050333 CN 200520050333 U CN200520050333 U CN 200520050333U CN 2763626 Y CN2763626 Y CN 2763626Y
- Authority
- CN
- China
- Prior art keywords
- external tooth
- cover
- ball
- raceway
- gear cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a universal rolling ball coupling for transferring moment and velocity, which is composed of a left half coupling and a right half coupling, which are symmetrically assembled. The external tooth inner housing 1 or 1' is assembled in an inner cavity of the internal tooth outer housing 4 or 4'. A cover plate 2 or 2' is sheathed on one end of the external tooth inner housing 1 or 1'. The cover plate 2 or 2' is integrated with the internal tooth outer housing 4 or 4' through a bolt component 3 or 3'. The hollow cavity between the external tooth inner housing 1 or 1' and the internal tooth outer housing 4 or 4' is provided with a rolling track 6 or 8 and 6'or 8'. A ball 7 or 7' is movably installed in the rolling track 6, 8 or 6', 8'. The internal tooth outer housing 4 or 4'is tightly connected by a nut component 5. An input shaft and an output shaft are separately installed in an inner cavity of external tooth inner housing 1 or 1' through a keyway 11 and 11'. The moment and the velocity transferred by the input shaft are transferred to the output shaft by the external tooth inner housing 1 and 1', the rolling track 6, 8 and 6', 8 ', the ball 7, 7' and the internal tooth outer housing 4, 4' which has the pivot angle universe function. Then, the moment and the velocity are transferred to the work piece by the output shaft so that the function and the purpose of the universal rolling ball coupling are obtained.
Description
Technical field
The utility model relates to a kind of coupling, relates in particular to a kind of metallurgy industry metal that is applied to and processes with the universal ball coupling on the milling train, belongs to the F16D3/221 class.
Background technique
Before the utility model, it is 90215888.0 " ball coupling ", 99233444.6 " a kind of ball coupling " and the patent No. 03227574.9 " the anti-elementary errors radius of curvature of shock resistance ball coupling " that the patent No. is arranged, these ball couplings respectively have characteristics, and be applied to as required bring into play each self-applying on the various equipment; But the point of their deficiencies is these coupling manufacturing process complexity, the user cost height, and maintenance load is big, the complicated difficulty of maintenance.The patent No. is that the driving link of 90215888.0 " ball coupling " and apparent surface that driven member is used for transmission joint are the cylndrical surface, and the space is arranged between the cylndrical surface, and ball is distributed in interstice coverage, and bearing capacity is little, and shock resistance is poor; The patent No. is that the driving link of 99233444.6 " a kind of ball coupling " and apparent surface that driven member is used for transmission joint are concavo-convex staggered and leave the space, ball is assemblied in the side raceway of concavo-convex part, ball mainly bears pressure during power transmission, and the contact stress that driving link and driven member roll is inhomogeneous; The patent No. is that driving link, the driven member apparent surface of 03227574.9 " the anti-elementary errors radius of curvature of shock resistance ball coupling " is concavo-convex staggered and leave the space, ball is contained in the raceway of jog side, raceway has short space with the relative position of ball when zero load, this coupling can significantly improve bearing capacity, but deficiency is the manufacturing process complexity, the cost height has limited to using scope.
Summary of the invention
The task that the utility model need solve provides a kind of reasonable in design, easy to maintenance, the long service life of assembling, processing technology relatively simply can eliminate power that installation deviation causes to the prejudicial universal ball coupling of equipment.
For finishing above-mentioned task, the technical solution adopted in the utility model is: universal ball coupling mainly is made up of cover, cover plate, interior gear cover, raceway and ball (steel ball) in the external tooth.Earlier cover in the external tooth is assembled in the cavity of internal tooth overcoat, loads onto raceway between the space in interior gear cover and external tooth between the cover, ball (steel ball) activity is assemblied between raceway.Adjacent interior gear cover is an end suit cover plate of the interior cover of tooth outside, fixes with bolt assembly between cover plate and interior gear cover.By cover, left and right two half-couplings of forming of ball in interior gear cover, cover plate, the external tooth are symmetric type configurations, between them with nut assembly by joining, the inwall that overlaps in external tooth has a keyway.
Adopt universal ball coupling that as above technological scheme provides compared with prior art, its beneficial effect is:
1. manufacturing process is simple, keeps in repair easy to use; Only need to change ball and raceway, user cost can reduce more than 40%;
2. allow coupled input shaft or output shaft that bigger axial and radial missing is arranged, can do relative motion between two half-couplings, eliminate axial force, but transfer larger torque;
3. ball and raceway are made by Bearing Steel, and good mechanical property is because of ball only rolls in raceway, not fragile simultaneously, so can improve 30～50% the working life of whole coupling;
4. carry-over moment is strong, and ball and raceway bearing capacity are strong, allow clockwise and anticlockwise simultaneously.
Description of drawings
Fig. 1 is the forward cross-sectional schematic of Roll coupling described in the utility model, also is specification digest accompanying drawing of the present utility model.
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional schematic.
Fig. 3 is that the B-B of Fig. 1 is to cross-sectional schematic.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
As shown in drawings, the described universal ball coupling of this case by cover 1 or 1 in the external tooth ', cover plate 2 or 2 ', bolt assembly 3 or 3 ', interior gear cover 4 or 4 ', nut assembly 5, raceway 6 or 6 ' or 8 or 8 ', ball 7 or 7 ' form, bolt assembly 3 or 3 ' available Steel Bolt and nut combinations, nut assembly 5 can be used steel screw and nut combinations, is made of the half-coupling (as shown in Figure 1) of left and right two symmetry assemblings simultaneously them.Half coupling in a left side comprises cover 1 in the external tooth, cover plate 2, interior gear cover 4, raceway 6 or 8 and ball 7, right half coupling comprise cover 1 in the external tooth ', cover plate 2 ', interior gear cover 4 ', raceway 6 ' or 8 ' and ball 7 '.Cover 1,1 in the external tooth ' gear cover 4,4 ' inner chamber in being assemblied in, cover 1,1 in the external tooth ' external tooth and interior gear cover 4,4 ' internal tooth match (as accompanying drawing 2, shown in Figure 3).Cover 1,1 in cover plate 2,2 ' the be sleeved on external tooth ' an end, bolt assembly 3,3 ' with cover plate 2,2 ' with interior gear cover 4,4 ' fuse, cover plate 2 or 2 ' shape and interior gear cover 4 or 4 ' shape identical, and outside diameter is equal.In the inner chamber in external tooth between cover 1 and the interior gear cover 4 raceway 6 or 8 are housed, ball (being steel ball) 7 is movably arranged on (as Fig. 2, shown in Figure 3) among the raceway 6,8, in external tooth, overlap 1 ' and interior gear cover 4 ' between inner chamber in be equipped with raceway 6 ', 8 ', raceway 6 or 6 ' and 8 or 8 ' be cover 1,1 in the external tooth ' and in gear cover 4,4 ' annex, be ball 7,7 ' supporting and contact interface.Ball 7 ' be movably arranged on raceway 6 ', 8 ' among.Ball 7,7 ' be spherical, the cylinder bodily form or dolioform, main effect be connect in the external tooth cover 1 in cover 1, interior gear cover 4 or the external tooth ', interior gear cover 4 ' and transmit overlap 1 in the external tooth in the cover 1 and interior gear cover 4 or external tooth ', interior gear cover 4 ' between moment, gear cover 4,4 ' the have universal effect of certain pivot angle in making simultaneously, raceway 6,8 or raceway 6 ', 8 ' and ball 7,7 ' make of Bearing Quality Steel.Raceway 6,8 or raceway 6 ', 8 ' be fixed on respectively through hole 10 overlap 1 in the external tooth, on the interior gear cover 4.Interior gear cover 4 or 4 ' partly evenly processing porose (as circular hole) of outer rim, with nut assembly 5 with interior gear cover 4,4 ', form an integral body by joining.In external tooth, overlap 1,1 ' inwall on have keyway 11,11 ', by keyway 11 with cover 1 in input shaft and the external tooth link, fixing, by keyway 11 ' with overlap 1 in output shaft and the external tooth ' link, fixing, also exchangeable is assembled; Interior gear cover 4 or 4 ' then is used for connecting between input shaft and the output shaft, reaches the purpose of carry-over moment and speed.
During enforcement, universal ball coupling is assembled, simultaneously input shaft is installed in the external tooth inner chamber of cover 1 through keyway 11 by accompanying drawing, with output shaft through keyway 11 ' be installed to overlap 1 in the external tooth ' inner chamber.When input shaft moves (rotation) with certain moment or speed (rotating speed), must drive and overlap 1 in the external tooth with identical moment and speed action (rotation), simultaneously because raceway 6,8 and the effect of ball 7, moment that produces on the cover 1 in external tooth and speed are through raceway 6,8 and ball 7 pass in gear cover 4, the action of interior gear cover 4 (as moment and rotating speed) again the nut assembly 5 through working the effect of being connected pass to interior gear cover 4 ', interior gear cover 4 ' pass through again raceway 6 ', 8 ' and ball 7 ' gear cover 4 in will being added in ' on action (moment and rotating speed) pass to cover 1 in the external tooth ', in external tooth, overlap 1 ' interior keyway 11 ' interior key with overlap 1 in the external tooth ' on moment and speed (rotating speed) pass to output shaft.In a word, since through cover 1,1 in the external tooth ' and in gear cover 4,4 ' between have certain clearance add raceway 6 ', 8 ' and ball 7,7 ' effect, gear cover 4,4 in making ' the have universal effect of certain pivot angle, make and to do relative motion between two half-couplings, eliminate axial force, finally make input shaft and output shaft can import into and spread out of required moment and speed, realized the purpose and the function of the described universal ball coupling of this case.
Claims (2)
1, a kind of universal ball coupling, it is characterized in that: it is by cover (1 in the external tooth, 1 '), cover plate (2,2 '), interior gear cover (4,4 '), raceway (6,6 ', 8,8 '), ball (7,7 '), bolt assembly (3,3 '), nut assembly (5) is formed, cover (1 in the external tooth, 1 ') be assemblied in interior gear cover (4,4 ') inner chamber, cover plate (2,2 ') be sleeved in the external tooth and overlap (1,1 ') an end, bolt assembly (3,3 ') with cover plate (2,2 ') and interior gear cover (4,4 ') fuse, in the cavity between external tooth inner chamber (1) and interior gear cover (4) raceway (6 is housed, 8), ball (7) is movably arranged on raceway (6,8) among, be equipped with in the cavity in external tooth between cover (1 ') and the interior gear cover (4 ') raceway (6 ', 8 '), ball (7 ') be movably arranged on raceway (6 ', 8 ') among, raceway (6,8) or raceway (6 ', 8 ') (10) are fixed on cover (1) in the external tooth respectively through the hole, on the interior gear cover (4), use nut assembly (5) with interior gear cover (4,4 ') by connection; In external tooth, on the inwall of cover (1,1 ') keyway (11,11 ') is arranged.
2, universal ball coupling according to claim 1 is characterized in that: ball (7,7 ') is spherical, the cylinder bodily form or dolioform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520050333 CN2763626Y (en) | 2005-02-17 | 2005-02-17 | Universal rolling ball coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520050333 CN2763626Y (en) | 2005-02-17 | 2005-02-17 | Universal rolling ball coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2763626Y true CN2763626Y (en) | 2006-03-08 |
Family
ID=36141172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520050333 Expired - Fee Related CN2763626Y (en) | 2005-02-17 | 2005-02-17 | Universal rolling ball coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2763626Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032283A (en) * | 2010-12-30 | 2011-04-27 | 三一重工股份有限公司 | Ball-cage type universal coupling and full-hydraulic grader |
-
2005
- 2005-02-17 CN CN 200520050333 patent/CN2763626Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032283A (en) * | 2010-12-30 | 2011-04-27 | 三一重工股份有限公司 | Ball-cage type universal coupling and full-hydraulic grader |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |