CN201926375U - Slewing bearing for emission device - Google Patents
Slewing bearing for emission device Download PDFInfo
- Publication number
- CN201926375U CN201926375U CN2010205499530U CN201020549953U CN201926375U CN 201926375 U CN201926375 U CN 201926375U CN 2010205499530 U CN2010205499530 U CN 2010205499530U CN 201020549953 U CN201020549953 U CN 201020549953U CN 201926375 U CN201926375 U CN 201926375U
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- CN
- China
- Prior art keywords
- ring
- rolling ring
- slewing bearing
- pivoting support
- inner rolling
- 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 slewing bearing for an emission device, belonging to the technical field of slewing bearing. The slewing bearing for emission device comprises an outer rolling ring, an inner rolling ring, an inner gear ring and an oiling cup, wherein the section of the inner rolling ring is L-shaped; the L-shaped platform of the inner rolling ring is provided with a plurality of through holes; the inner rolling ring is integrally connected to the upper end face of the inner gear ring by a coupling bolt; steel balls for realizing directional rotation and bearing axial and radial loads are annularly distributed between the upper and lower end face combination part of the inner rolling ring and the inner ring wall of the outer rolling ring; and an isolation block and a sealing belt are disposed on the inner rolling ring; the coupling bolt connected to the upper and lower end faces of the inner gear ring by the L-shaped inner rolling ring can control the pressure of the inner gear ring to the steel balls; the outer ring directional rotation is realized and the axial and radial loads are borne by adjusting and controlling the pressure of the inner gear ring to the steel balls; the bearing capacities of the rotation supporting member and worker are both taken into consideration; and the running accuracy is high. The benefitss are that the problems of big directional rotation gap change, big backlash and poor rigidity of the slewing bearing in a follow-up system are solved; dusts can not enter the roller path; and the overflow of lubricating grease is prevented.
Description
Technical field
The utility model relates to a kind of pivoting support, relates in particular to a kind of pivoting support that is used for emitter, belongs to the pivoting support technical field.
Background technology
At present, be used to both at home and abroad carry the emitter kick, be installed in the pivoting support on the emitter pedestal, normally Internal and external cycle formula or the ring pressed up and down pivoting support that pins down mutually with bearing capacity, running precision and physical dimension.Internal and external cycle formula pivoting support adopts usually and has the running precision height and the little Internal and external cycle gear-engaged type structure of axial bearing capacity.Ring pressed up and down pivoting support is owing to adopt to go up lower clamping ring steel-ball type structure, therefore, exists bearing capacity big but running precision is low, the shortcoming of attending to one thing and lose sight of another.The pivoting support of the macrostructure size of the load that can bear (diameter is greater than 2 meters) wherein, because the macrostructure size lower gear accuracy of mesh is not high, the steel-ball type structure is compact inadequately, all exist axial runout big or circular runout is big, influence the defective of emitter service precision.Though diameter has solved precision problem less than 2 meters minor structure size pivoting support,, can influence the scope of application because bearing capacity is little.In addition, long-time friction wearing and tearing easily between the steel ball are advanced dust easily and are leaked lubricating grease in the sealing ditch.
Summary of the invention
At the deficiencies in the prior art part, it is a kind of simple in structure that the utility model provides, have that bearing capacity is big, running precision high both take into account, and have the pivoting support that is used for emitter of spacing block and band, can effectively address the above problem.
To achieve these goals, the technical solution adopted in the utility model is: a kind of pivoting support that is used for emitter, comprise outer rolling ring, interior rolling ring, ring gear and add lubricating cup, the rolling ring cross section is the L type in described, be evenly equipped with the through hole that several are used for mounting base on the platform of its L type, the upper surface of rolling ring and ring gear connects as one by attachment bolt in being somebody's turn to do, be periphery between its joint portion, upper and lower end face and the outer rolling ring internal ring wall realize direction revolution and reach to the steel ball of radial load, a spacing block is housed, between outer rolling ring and the interior rolling ring between per two steel balls, be equipped with band in the sealing ditch between outer rolling ring and the ring gear.
As preferably, described steel ball is periphery in the interior rolling ring and the V-groove between ring gear upper and lower end face and the outer rolling ring that is installed in the L type.
Compared with prior art, advantage of the present utility model is: the attachment bolt that the interior rolling ring of L type is connected with the ring gear upper and lower end face, regulate the pressure of attachment bolt control ring gear to steel ball, realize outer ring direction revolution and reach to and radial load, not only strengthen the big bearing capacity of pivoting support, and kept the characteristics of running precision height, simple in structure, good manufacturability.This pivoting support compact conformation, good rigidly, axially to reach circular runout little, and moment of friction is little.Be specially adapted to the large-size pivoting support of diameter greater than 2m.
Beneficial effect is to have solved to be applied to technical problems such as beat greatly in the medium-and-large-sized pivoting support direction revolution of servomechanism gap, backlash is big, rigidity is bad.Spacing block can avoid producing between the steel ball friction.Be equipped with band in the sealing ditch, main rising prevents that dust from entering in the raceway, prevents that simultaneously lubricating grease is excessive.
Description of drawings
Fig. 1 is the utility model cutaway view
Fig. 2 is the utility model vertical view
Fig. 3 is the utility model structural representation
Among the figure: 1, interior rolling ring, 2, outer rolling ring, 3, ring gear, 4, connecting bolt, 5, steel ball, 6, sealing ring, 7, through hole, 8, add lubricating cup, 9, band.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment:,, add the pivoting support that is used for emitter that lubricating cup 8 is formed mainly by interior rolling ring 1, outer rolling ring 2, ring gear 3, attachment bolt 4, steel ball 5 referring to Fig. 1, Fig. 2 and Fig. 3.Wherein: the structure of outer rolling ring 2, steel ball 5 combinations has possessed the design feature of ring pressed pivoting support up and down, and the structure of outer rolling ring 2, ring gear 3 combinations has possessed the design feature of Internal and external cycle formula pivoting support.This pivoting support that is used for emitter is to be installed in the rotated bearing body that is used to carry emitter kick and turning torque on the emitter.The section section shape of the interior rolling ring 1 of described L type is the L type, is evenly equipped with several through holes that is used for mounting base 7 on the platform of its L type.Rolling ring 1 connects as one by attachment bolt 4 with ring gear 3 upper and lower end faces in the described L type, be periphery between its joint portion, upper and lower end face and outer rolling ring 2 internal ring walls realize direction revolution and reach to the steel ball 5 of radial load, steel ball 5 is periphery and is installed in the L type in the V-groove between the rolling ring 1 and ring gear 3 upper and lower end faces and outer rolling ring 2.The pressure of 3 pairs of steel balls 5 of ring gear be can control by rolling ring 1 in the adjusting connection L type with the joint bolt of ring gear 3, thereby the gap and the flexibility of outer rolling ring 2 runnings realized.Between per two steel balls 5 spacing block is housed, to avoid producing friction between the steel ball 5.And outer rolling ring 2 outsides are evenly equipped with the lubricated oil-in of real oil-feed.During use,, pivoting support is fixed on the pedestal of emitter with the through hole 7 of screw with mounting base on the platform of L type.Rolling ring 1 is fixed on the emitter in the L type, and ring gear 3 is connected with rolling ring 1 in the L type by joint bolt, and outer rolling ring 2 realizes gyration by steel ball 5, and its angle of revolution is symmetrically distributed by ring gear 3 inboards or the degree of the interior tooth angle that whole circle distributes determines.After treating that steel ball 5 and spacing block install, add on the lower surface that lubricating cup 8 is contained in outer rolling ring 2, main effect is a grease up in pivoting support raceway.Be equipped with band 9 in the sealing ditch between outer rolling ring 2 and the interior rolling ring 1, between outer rolling ring 2 and the ring gear 3, main rising preventing that dust from entering in the raceway, prevents that simultaneously lubricating grease is excessive.During use, the pivoting support that is used for emitter is installed in the base body of emitter, and its outer rolling ring 2 links to each other with the emitter base body, and the interior rolling ring 1 of L type links to each other with pedestal, realizes the rotation of emitter.
Claims (2)
1. pivoting support that is used for emitter, comprise outer rolling ring (2), interior rolling ring (1), ring gear (3) and add lubricating cup (8), it is characterized in that: rolling ring (1) cross section is the L type in described, be evenly equipped with several through holes that is used for mounting base (7) on the platform of its L type, interior rolling ring (1) connects as one by attachment bolt with the upper surface of ring gear (3), be periphery between its joint portion, upper and lower end face and outer rolling ring (2) internal ring wall realize direction revolution and reach to the steel ball (5) of radial load, a spacing block is housed, between outer rolling ring (2) and the interior rolling ring (1) between per two steel balls (5), be equipped with band (9) in the sealing ditch between outer rolling ring (2) and the ring gear (3).
2. by the described pivoting support that is used for emitter of claim 1, it is characterized in that described steel ball (5) is periphery in the interior rolling ring (1) and the V-groove between ring gear (3) upper and lower end face and the outer rolling ring (2) that is installed in the L type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205499530U CN201926375U (en) | 2010-09-27 | 2010-09-27 | Slewing bearing for emission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205499530U CN201926375U (en) | 2010-09-27 | 2010-09-27 | Slewing bearing for emission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201926375U true CN201926375U (en) | 2011-08-10 |
Family
ID=44430220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205499530U Expired - Fee Related CN201926375U (en) | 2010-09-27 | 2010-09-27 | Slewing bearing for emission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201926375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003459A (en) * | 2010-09-27 | 2011-04-06 | 徐州丰禾回转支承制造有限公司 | Slewing bearing used for transmitting device |
-
2010
- 2010-09-27 CN CN2010205499530U patent/CN201926375U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003459A (en) * | 2010-09-27 | 2011-04-06 | 徐州丰禾回转支承制造有限公司 | Slewing bearing used for transmitting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20130927 |