CN204437068U - Enclose three raceway pivoting supports of step-like bonding crack up and down - Google Patents
Enclose three raceway pivoting supports of step-like bonding crack up and down Download PDFInfo
- Publication number
- CN204437068U CN204437068U CN201520001982.6U CN201520001982U CN204437068U CN 204437068 U CN204437068 U CN 204437068U CN 201520001982 U CN201520001982 U CN 201520001982U CN 204437068 U CN204437068 U CN 204437068U
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- China
- Prior art keywords
- raceway
- roller
- ring
- circle
- bonding crack
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- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/49—Bearings with both balls and rollers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of three raceway pivoting supports enclosing step-like bonding crack up and down, on the upper plane of the step-like bonding crack between Shang Quan and lower circle, neutral surface and lower plane, be respectively equipped with raceway, middle raceway and lower raceway, article three, raceway can be all ring-type tubular shape, also ring-type square-tube-shaped can be all, or middle raceway is ring-type square-tube-shaped, and upper and lower raceway is ring-type tubular shape; Can only spherical roller be loaded in tubular shape raceway, in square-tube-shaped raceway, short cylindrical shape roller can be loaded, also can load spherical and short cylindrical shape two kinds of rollers by ordered mixing, but adjacent or close two necessary square crossings of short cylindrical shape roller; Diameter and the length of side of all raceways are equal, and the sphere diameter of all rollers and diameter are also equal, and each roller all needs the spacing block with matching with it to separate.The utility model is suitable for high strength axial load and the main process equipment needing Straight to connect adopts.
Description
Technical field
The utility model belongs to novel mechanical product technical field, relates to mechanical basic part pivoting support, is specifically related to a kind of three raceway pivoting supports enclosing step-like bonding crack up and down.
Background technique
Pivoting support is usually nested by inside and outside two steel rings and forms, on bonding crack perpendicular between Liang Quan, be provided with the tubular shape raceway of a ring-type, filling some steel spherical rollers (also known as steel ball) in raceway, and separate the spacing block of each roller, in addition, pivoting support is also provided with the supporting facility such as filling hole, mounting hole, gear, seal ring and oil circuit.
The ball-type slewing bearing of the two raceway of designing and making same diameter, can be disposed in parallel on vertical bonding crack with footpath raceway up and down by two, and need offer upper and lower two filling holes and lead to upper and lower raceway respectively, so that loading roller and spacing block.The ball-type slewing bearing of the two raceway of reducing, structure is more complex, is close to three raceway designs of prior art.
As for the pivoting support of three raceways, prior art is, that inner ring or outer ring of not establishing gear are divided into upper and lower two-section, utilizes the interlaced of Internal and external cycle bonding crack to arrange upper, middle and lower raceway, roller and spacing block are directly placed in raceway groove, do not need to establish filling hole again.To be assembledly to complete, then with silently bolt, that steel ring being divided into two-section is fixed up.
The one three raceway pivoting support that the utility model is shown, do not need the steel ring split wherein, but to change Internal and external cycle structure be upper and lower coil structures, a step-like bonding crack is presented between upper and lower two circles, the upper plane of bonding crack, neutral surface and lower plane arrange upper, middle and lower raceway respectively, only establishes a filling hole, and, mounting hole on upper and lower two circles is corresponding setting, instead of common inside and outside setting.The utility model is suitable for needing corresponding up and down connection and the employing of the main process equipment of axial load extra-heavy especially.
Model utility content
The utility model a kind ofly utilizes the step-like bonding crack between upper and lower two steel rings and do not need the steel ring split wherein to become two-section just can arrange the extraordinary pivoting support of three raceways, and it is realized by technological scheme below.
A kind of three raceway pivoting supports enclosing step-like bonding crack up and down, include circle 1, lower circle 2, upper raceway 3, middle raceway 4, lower raceway 5, upper roller 6, middle roller 7, lower roller 8, filling hole 9, internal gear 10, tank filler sleeve 11 and mounting hole 12, it is characterized in that: the bonding crack between described upper circle 1 and lower circle 2 is step-like setting, raceway 3 is provided with in the upper water plane of bonding crack, raceway 4 in the middle part vertical surface of bonding crack is provided with, the roll center of lower raceway 5, three raceways is provided with all on the center line of bonding crack in the lower horizontal surface of bonding crack; The shape of described upper raceway 3, middle raceway 4 and lower raceway 5, ring-type tubular shape can be all, also ring-type square-tube-shaped can be all, or middle raceway 4 is for ring-type square-tube-shaped and upper raceway 3 and lower raceway 5 are ring-type tubular shape, and, the diameter of upper raceway 3, middle raceway 4 and lower raceway 5 is all equal with the length of side, and the angle of square-tube-shaped groove-section is right angle.
A kind of three raceway pivoting supports enclosing step-like bonding crack up and down, it is characterized in that: described upper roller 6 is seated in raceway 3, middle roller 7 is seated in middle raceway 4, lower roller 8 is seated in lower raceway 5, each roller all needs the spacing block with matching with it to separate, roller is divided into spherical and short cylindrical shape two kinds, uses Bearing Steel manufacture, spacing block modification of nylon casting; When described upper raceway 3, middle raceway 4 and lower raceway 5 are ring-type tubular shape, the upper roller 6 loaded in tubular shape raceway, middle roller 7 and lower roller 8 can only be spherical rollers; One in described upper raceway 3, middle raceway 4 and lower raceway 5 or be all ring-type square-tube-shaped time, in this square-tube-shaped raceway, short cylindrical shape roller can be loaded, also can mix and load spherical and short cylindrical shape two kinds of rollers in an orderly manner, further, the necessary square crossing of two adjacent or close short cylindrical shape rollers; Sphere diameter and the diameter of described upper roller 6, middle roller 7 and lower roller 8 are all equal.
A kind of three raceway pivoting supports enclosing step-like bonding crack up and down, be further characterized in that: described filling hole 9 one be located at lower circle 2 top, lead to middle raceway 4 from outer side surface level, the aperture of filling hole 9 should be greater than the sphere diameter of roller and diameter so that filling, must stamp the blocking of first wife and wear pin after completing filling; Described internal gear 10 is located at the inner side surface of circle 1, and the upper-end surface of internal gear 10 and pivoting support maintains an equal level, if the lower end surface of palpus internal gear 10 and pivoting support maintains an equal level, only pivoting support need be inverted and install, also can not arrange gear according to technique needs; Some of described tank filler sleeve 11, is evenly located at the top of lower circle 2, leads to middle raceway 4 from outer side surface level; Some of described mounting hole 12, correspondence is arranged on the flange edge of circle 1 and lower circle 2 respectively, and aperture and the quantity of usual upper lower opening should be equal; The utility model does not arrange seal ring.
The beneficial effects of the utility model have: one is be separately positioned on by three ring-type raceways on the step-like bonding crack of the same of two horizontal planes and a vertical surface, greatly strengthen the thrust load of pivoting support, do not affect again the performance of its radial force and tilting moment, the main process equipment of special convenient axial high capacity adopts simultaneously; Two is roller and spacing blocks thereof in loading by means of only a filling hole, and upper lower roller and spacing block thereof can directly be laid, without the need to the steel ring of is wherein divided into two-section, and unlikely rigidity and the intensity affecting this steel ring; Three is that three raceways and roller can adopt in tubular shape raceway and load steel ball, also can adopt in square-tube-shaped raceway to intersect filling roller or mixed packing ball, post, has widened the selection space of rolling structure to meet the needs of different process; Four is mounting holes of the present invention is not common inside and outside setting, but correspondence is arranged on the flange edge of lower steel ring up and down, and the main process equipment being suitable for especially needing Straight to connect adopts.
Accompanying drawing explanation
Fig. 1 is the cross-section structure contrast figure of a kind of three raceway pivoting supports of prior art.
Fig. 2 is a kind of cross-sectional view of enclosing three raceway pivoting supports of step-like bonding crack up and down of the utility model.
Embodiment
Referring to accompanying drawing 1, a kind of three raceway pivoting supports of prior art, have generally included: inner ring 1 ', outside upper ring 2a ', outer lower ring 2b ', upper raceway 3 ', middle raceway 4 ', lower raceway 5 ', upper roller 6 ', middle roller 7 ', lower roller 8 ', internal gear 9 ', tank filler sleeve 10 ', mounting hole 11 ' and seal ring 12 '.Its feature is: utilize the interlaced bonding crack of inside and outside two circle to arrange upper, middle and lower three raceways, will the steel ring of gear do not established to be divided into upper and lower two-section, so that load all rollers and spacing block and no longer arrange filling hole.Its linkage editor is: first, horizontal outer lower ring 2b ', in the groove of lower raceway 5 ', lay lower roller 8 ' and spacing block thereof; Then, place inner ring 1 ' on outer lower ring 2b ', roller 7 ' and spacing block thereof in loading in middle raceway 4 ', and lay roller 6 ' and spacing block thereof in the groove of upper raceway 3; Then, close outside upper ring 2a ', checks fit up gap and rolling quality; Finally, with some silently bolts, outside upper ring 2a ' and outer lower ring 2b ' is integrally fixed.
Referring to accompanying drawing 2, a kind of three raceway pivoting supports enclosing step-like bonding crack up and down of the utility model, its structure comprises: upper circle 1, lower circle 2, upper raceway 3, middle raceway 4, lower raceway 5, upper roller 6, middle roller 7, lower roller 8, filling hole 9, internal gear 10, tank filler sleeve 11 and mounting hole 12.Its feature is: changing common Internal and external cycle structure is upper and lower coil structures, on the upper plane of the step-like bonding crack between Liang Quan, neutral surface and lower plane, upper, middle and lower three raceways are set respectively, and be provided with a filling hole, the steel ring split wherein is not needed to be upper and lower two-section, to keep integrity and the stiffness of steel ring.
Mode of execution of the present utility model is: lower circle 2 step-like on plane, neutral surface and lower plane, the semicircle of each cutting one ring-type or the groove of isosceles right angle type, be merged into the upper, middle and lower raceway 3,4,5 of tubular shape or square-tube-shaped separately with three road similar shape grooves of corresponding cutting on upper circle 1; Filling spherical roller 6,7,8 and spacing block thereof in the upper, middle and lower raceway 3,4,5 of tubular shape, square crossing filling short cylindrical shape roller 7,6,8 and spacing block thereof in the middle raceway 4 of square-tube-shaped or up and down raceway 3,5, also can in same square-tube-shaped raceway, ordered mixing spherical and short cylindrical shape two kinds of rollers of filling and the spacing block mated thereof, but adjacent or close two short cylindrical shape rollers must arrange in square crossing, can producing balanced forces in order to its cylndrical surface.Short cylindrical shape roller refers to that the diameter of roller is slightly larger than its height, and anyhow can put cross section into is in foursquare raceway, and make its slightly thick cylndrical surface can contact raceway wall and roll stressed, slightly short both ends of the surface do not contact raceway wall and slide support.
The utility model the top of lower circle 2 be provided with filling hole 9 level lead in raceway 4; Can arrange a circle internal gear 10 at the inner side surface of upper circle 1, tooth cannot be established in other positions; The top of lower circle 2 evenly arrange some tank filler sleeves 11 level lead in raceway 4; On the flange edge of upper circle 1 and lower circle 2, correspondence is provided with some mounting holes 12, and as having no special requirements, the quantity of upper and lower mounting hole 12 and aperture generally should be equal; The utility model does not need to arrange seal ring.
Assembling of the present utility model is fairly simple: the first step, first keeps flat down circle 2, in the groove of lower raceway 5, lay lower roller 8 and spacing block thereof, and lays roller 6 and spacing block thereof in the groove of upper raceway 3; Second step, buckles upper circle 1 and is put on lower circle 2, and after checking the rolling situation of good upper and lower raceway 3,5 and upper lower roller 6,8, roller 7 and spacing block thereof in being loaded in middle raceway 4 by filling hole 9, loaded the blocking of the complete first wife of stamping and wear pin; 3rd step, each tank filler sleeve 11 installs oil nozzle, after detecting overall assembly precision and rolling quality, and packaging warehouse-in.
Claims (3)
1. about one kind is enclosed three raceway pivoting supports of step-like bonding crack, include circle (1), lower circle (2), upper raceway (3), middle raceway (4), lower raceway (5), upper roller (6), middle roller (7), lower roller (8), filling hole (9), internal gear (10), tank filler sleeve (11) and mounting hole (12), it is characterized in that: the bonding crack between described upper circle (1) He Xiaquan (2) is step-like setting, in the upper plane of bonding crack, neutral surface and lower plane are respectively equipped with raceway (3), middle raceway (4) and lower raceway (5), article three, the roll center of raceway is all on the center line of bonding crack, described upper raceway (3), middle raceway (4) and lower raceway (5) can be all ring-type tubular shape, also ring-type square-tube-shaped can be all, or middle raceway (4) is for ring-type square-tube-shaped and upper raceway (3) and lower raceway (5) are ring-type tubular shape, the diameter of all raceways and the length of side are all equal, and the angle of square-tube-shaped groove-section is right angle.
2. a kind of three raceway pivoting supports enclosing step-like bonding crack up and down according to claim 1, it is characterized in that: when described upper raceway (3), middle raceway (4) and lower raceway (5) are for ring-type tubular shape, the upper roller (6) loaded in tubular shape raceway, middle roller (7) and lower roller (8) can only be spherical rollers; One in described upper raceway (3), middle raceway (4) and lower raceway (5) or be all ring-type square-tube-shaped time, short cylindrical shape roller can be loaded in this square-tube-shaped raceway, also can mix and load spherical and short cylindrical shape two kinds of rollers in an orderly manner, and, adjacent or close two short cylindrical shape rollers must square crossing, each only spherical or short cylindrical shape roller all need to adopt the spacing block matched with it to separate; The sphere diameter of all upper rollers (6), middle roller (7) and lower roller (8) is all equal with diameter.
3. a kind of three raceway pivoting supports enclosing step-like bonding crack up and down according to claim 1, are further characterized in that: described filling hole (9) be located at lower circle (2) top, lead to middle raceway (4) from outer side surface level; Described internal gear (10) is located at the inner side surface of circle (1), also can not arrange gear; Described tank filler sleeve (11) some is evenly located at the top of lower circle (2), leads to middle raceway (4) from outer side surface level; Described mounting hole (12) some, correspondence is arranged on the flange edge of circle (1) He Xiaquan (2) respectively; The utility model does not arrange seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520001982.6U CN204437068U (en) | 2015-01-03 | 2015-01-03 | Enclose three raceway pivoting supports of step-like bonding crack up and down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520001982.6U CN204437068U (en) | 2015-01-03 | 2015-01-03 | Enclose three raceway pivoting supports of step-like bonding crack up and down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204437068U true CN204437068U (en) | 2015-07-01 |
Family
ID=53604939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520001982.6U Expired - Fee Related CN204437068U (en) | 2015-01-03 | 2015-01-03 | Enclose three raceway pivoting supports of step-like bonding crack up and down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204437068U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595364A (en) * | 2015-01-03 | 2015-05-06 | 安徽枞晨回转支承有限公司 | Three-roller-path slewing bearing with stepped bonding seam between upper ring and lower ring |
| CN108397478A (en) * | 2018-05-07 | 2018-08-14 | 山东吉恩纳机械工程技术有限公司 | A kind of main bearing of shield machine |
-
2015
- 2015-01-03 CN CN201520001982.6U patent/CN204437068U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595364A (en) * | 2015-01-03 | 2015-05-06 | 安徽枞晨回转支承有限公司 | Three-roller-path slewing bearing with stepped bonding seam between upper ring and lower ring |
| CN108397478A (en) * | 2018-05-07 | 2018-08-14 | 山东吉恩纳机械工程技术有限公司 | A kind of main bearing of shield machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20170103 |