CN102003459A - Slewing bearing used for transmitting device - Google Patents
Slewing bearing used for transmitting device Download PDFInfo
- Publication number
- CN102003459A CN102003459A CN 201010298010 CN201010298010A CN102003459A CN 102003459 A CN102003459 A CN 102003459A CN 201010298010 CN201010298010 CN 201010298010 CN 201010298010 A CN201010298010 A CN 201010298010A CN 102003459 A CN102003459 A CN 102003459A
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- Prior art keywords
- ring
- rolling ring
- slewing
- gear ring
- inner gear
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- General Details Of Gearings (AREA)
Abstract
The invention discloses a slewing bearing used for a transmitting device, belonging to the technical field of slewing bearings. The slewing bearing comprises an outer rolling ring, an inner rolling ring, an inner gear ring and a filling cup, wherein the section of the inner rolling ring is in an L shape, and a plurality of through holes are uniformly distributed on an L-shaped platform; the inner gear ring and the upper end face of the inner gear ring are connected into an integral through attachment bolts, and steel balls for realizing slewing and axial and radial load bearing are annularly distributed between the joint part of the upper end face and the lower end face of the inner gear ring and the inner annular wall of the outer rolling rind; an isolating block and a sealing belt are also arranged on the inner gear ring; the pressure of the inner gear ring on the steel balls can be controlled through the attachment bolts connected with the upper end face and the lower end face of the inner gear ring through the L-shaped inner rolling ring, and the pressure of the inner gear ring on rolling balls can be adjusted and controlled, thus outer ring slewing and axial and radial load bearing are realized, the bearing capacity of the slewing bearing and the bearing capacity of people are both considered, and the high operating accuracy is ensured. The invention has the advantages of solving the problems of great slewing gap jumping, large backlash and poor rigidity of the slewing bearing in a servo system, preventing dust from entering a roller path and preventing grease overflowing.
Description
Technical field
The present invention relates to a kind of pivoting support, relate in particular to a kind of pivoting support that is used for launcher, belong to the pivoting support technical field.
Background technique
At present, be used to both at home and abroad carry the launcher kick, be installed in the pivoting support on the launcher 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 launcher service precision.Though diameter has solved precision problem less than 2 meters minor structure size pivoting support,, can influence using scope 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, the invention provides a kind of simple in structurely, have that bearing capacity is big, running precision high both take into account, and have the pivoting support that is used for launcher of spacing block and sealing strip, can effectively address the above problem.
To achieve these goals, the technical solution used in the present invention is: a kind of pivoting support that is used for launcher, 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-end surface of rolling ring and ring gear connects as one by attachment bolt in being somebody's turn to do, be periphery between its connecting part, 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 sealing strip 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, the invention has the advantages that: 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 structure, good rigidly, axially to reach circular runout little, and friction torque 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 followup system gap, backlash is big, rigidity is bad.Spacing block can avoid producing between the steel ball friction.Be equipped with sealing strip 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 a sectional view of the present invention
Fig. 2 is a plan view of the present invention
Fig. 3 is a structural representation of the present invention
Among the figure: 1, interior rolling ring, 2, outer rolling ring, 3, ring gear, 4, connecting bolt, 5, steel ball, 6, seal ring, 7, through hole, 8, add lubricating cup, 9, sealing strip.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Embodiment:,, add the pivoting support that is used for launcher 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 structural feature of ring pressed pivoting support up and down, and the structure of outer rolling ring 2, ring gear 3 combinations has possessed the structural feature of Internal and external cycle formula pivoting support.This pivoting support that is used for launcher is to be installed in the rotated bearing body that is used to carry launcher kick and turning torque on the launcher.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 connecting part, 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.By the pressure of rolling ring 1 in the adjusting connection L type, thereby realize gap and the flexibility that outer rolling ring 2 is turned round with 3 pairs of steel balls 5 of joint bolt may command ring gear of ring gear 3.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 filler opening of real oil-feed.During use,, pivoting support is fixed on the pedestal of launcher with the through hole 7 of screw with mounting base on the platform of L type.Rolling ring 1 is fixed on the launcher 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 rotation motion 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 end 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 sealing strip 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 launcher is installed in the base body of launcher, and its outer rolling ring 2 links to each other with the launcher base body, and the interior rolling ring 1 of L type links to each other with pedestal, realizes the rotation of launcher.
Claims (2)
1. pivoting support that is used for launcher, 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-end surface of ring gear (3), be periphery between its connecting part, 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 sealing strip (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 a kind of launcher 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 |
|---|---|---|---|
| CN 201010298010 CN102003459A (en) | 2010-09-27 | 2010-09-27 | Slewing bearing used for transmitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010298010 CN102003459A (en) | 2010-09-27 | 2010-09-27 | Slewing bearing used for transmitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102003459A true CN102003459A (en) | 2011-04-06 |
Family
ID=43811080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010298010 Pending CN102003459A (en) | 2010-09-27 | 2010-09-27 | Slewing bearing used for transmitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102003459A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182753A (en) * | 2011-05-30 | 2011-09-14 | 襄樊振本传动设备有限公司 | Precision rotating support |
| CN102705361A (en) * | 2012-05-29 | 2012-10-03 | 徐州天龙回转支承有限公司 | Slewing bearing with double circles of oil filling ports |
| CN105547264A (en) * | 2015-12-02 | 2016-05-04 | 武汉钢铁(集团)公司 | Portable control point base of total station |
| US20180266484A1 (en) * | 2015-08-26 | 2018-09-20 | Thk Co., Ltd. | Slewing bearing |
| CN110377016A (en) * | 2018-07-04 | 2019-10-25 | 北京京东尚科信息技术有限公司 | A kind of revolving structure and automated guided vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4400042A (en) * | 1980-10-14 | 1983-08-23 | Keystone Engineering Company | High performance low torque anti-friction bearing assembly |
| CN101338992A (en) * | 2008-08-07 | 2009-01-07 | 成都陵川特种工业有限责任公司 | L -type pivoting support |
| CN101655125A (en) * | 2009-05-07 | 2010-02-24 | 徐州丰禾回转支承制造有限公司 | L-shaped pivoting support |
| CN201448362U (en) * | 2009-07-21 | 2010-05-05 | 常州奥旋回转支承有限公司 | Double-row angular contact thrust ball turnplate bearing |
| CN201926375U (en) * | 2010-09-27 | 2011-08-10 | 徐州丰禾回转支承制造有限公司 | Slewing bearing for emission device |
-
2010
- 2010-09-27 CN CN 201010298010 patent/CN102003459A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4400042A (en) * | 1980-10-14 | 1983-08-23 | Keystone Engineering Company | High performance low torque anti-friction bearing assembly |
| CN101338992A (en) * | 2008-08-07 | 2009-01-07 | 成都陵川特种工业有限责任公司 | L -type pivoting support |
| CN101655125A (en) * | 2009-05-07 | 2010-02-24 | 徐州丰禾回转支承制造有限公司 | L-shaped pivoting support |
| CN201448362U (en) * | 2009-07-21 | 2010-05-05 | 常州奥旋回转支承有限公司 | Double-row angular contact thrust ball turnplate bearing |
| CN201926375U (en) * | 2010-09-27 | 2011-08-10 | 徐州丰禾回转支承制造有限公司 | Slewing bearing for emission device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182753A (en) * | 2011-05-30 | 2011-09-14 | 襄樊振本传动设备有限公司 | Precision rotating support |
| CN102705361A (en) * | 2012-05-29 | 2012-10-03 | 徐州天龙回转支承有限公司 | Slewing bearing with double circles of oil filling ports |
| US20180266484A1 (en) * | 2015-08-26 | 2018-09-20 | Thk Co., Ltd. | Slewing bearing |
| CN105547264A (en) * | 2015-12-02 | 2016-05-04 | 武汉钢铁(集团)公司 | Portable control point base of total station |
| CN110377016A (en) * | 2018-07-04 | 2019-10-25 | 北京京东尚科信息技术有限公司 | A kind of revolving structure and automated guided vehicle |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110406 |