CN202091359U - Triple-raceway ball cylinder combined rotating support - Google Patents
Triple-raceway ball cylinder combined rotating support Download PDFInfo
- Publication number
- CN202091359U CN202091359U CN2011201468542U CN201120146854U CN202091359U CN 202091359 U CN202091359 U CN 202091359U CN 2011201468542 U CN2011201468542 U CN 2011201468542U CN 201120146854 U CN201120146854 U CN 201120146854U CN 202091359 U CN202091359 U CN 202091359U
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- CN
- China
- Prior art keywords
- raceway
- ring
- annular
- wall
- right angle
- 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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- 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/10—Application independent of particular apparatuses related to size
- F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
Abstract
The utility model discloses a triple-raceway ball cylinder combined rotating support, which comprises an outer gear ring and an inner ring. The inner ring consists of an inner upper ring and an inner lower ring which are combined oppositely mutually, an annular groove is arranged on an annular outer wall of the inner ring, an upper arc-shaped concave surface is disposed on the upper portion of the annular groove, the lower portion of the annular groove is a right-angle surface, the annular groove is provided with a right angular groove positioned on a combined portion of the inner upper ring and the inner lower ring, an upper opening portion of an annular inner wall of the outer gear ring is provided with a lower arc-shaped concave surface corresponding to the upper arc-shaped concave surface, a middle portion of the annular inner wall of the outer gear ring is provided with a left angular groove corresponding to the right angular groove, a lower opening portion of the annular inner wall of the outer gear ring is provided with a step surface corresponding to the right-angle surface, and a cylindrical raceway, a square raceway and a rectangular raceway are formed between the outer gear ring and the inner ring after the outer gear ring and the inner ring are assembled. The triple-raceway ball cylinder combined rotating support is a combined body of a ball type rolling mode, a cross roller type rolling mode and a cylindrical type rolling mode, integrates structural advantages of the three rolling modes, greatly increases performances and quality of products, and is favorable for balanced stress and stable running of heavy and large-size rotating supports.
Description
Technical field:
The utility model belongs to the novel mechanical product technical field, relates generally to the mechanical basic part pivoting support, relates in particular to the pivoting support that ball formula, decussation roller formula and the pillar of a kind of cylindrical shape, square and three raceways of rectangular combine.
Background technique:
Pivoting support is a kind of gear ring, multi-functional eyelet, oil circuit and Sealing Device be with, and can bear the large-scale combined bearing of axial force, radial force and tilting moment simultaneously, its main body is to be made of inside and outside two steel rings, and two corresponding of circles are provided with raceway, rolling elements such as interior dress steel ball.Common pivoting support has only a ring-type cylindrical shape raceway and a vollyball shape rolling element, is called " single four-point contact ball formula ", exists point of contact less, and bearing capacity is not strong, and stability is bad and be not suitable for defective such as large-scale gravity main process equipment employing.
The model utility content:
The utility model purpose is exactly in order to remedy the defective of prior art, to provide
A kind of three raceway goalpost are in conjunction with pivoting support, and it has, and point of contact is many, stressed rationally, good stability, bearing capacity and the many advantages such as power is strong of toppling, and suitable great type main process equipment adopts.
The utility model is achieved through the following technical solutions:
A kind of three raceway goalpost are in conjunction with pivoting support, include external toothing and inner ring, it is characterized in that: described inner ring includes involutory interior Shang Quan and Nei Xiaquan mutually, have annular groove on the annular outer wall of described inner ring, the top of described annular groove is upper arcuate concavity, the bottom is the right angle face, and the position that is positioned at Shang Quan and circle combination down on the described annular groove is provided with right angle-shaped groove; The position suitable for reading of the annular inner wall of described external toothing is provided with the arc lower concave surface corresponding with upper arcuate concavity, and the intermediate portion is provided with the left angle-shaped groove corresponding with right angle-shaped groove, and the end opening position is provided with the step surface corresponding with the right angle face; After described external toothing and the inner ring assembling, the arc lower concave surface and the upper arcuate concavity position of described external toothing annular inner wall are combined into the cylindrical shape raceway, be placed with spaced steel ball and spacing block in the cylindrical shape raceway, four point of contact of cylindrical shape raceway wall and steel ball sphere change into up and down and general through ball type differs 45 ° of ∠.The right angle-shaped groove of external toothing annular inner wall and left comer shape groove location are combined into square raceway, criss-crossing is arranged with short cylindrical shape roller and spacing block spaced apart in the square raceway, the step surface of external toothing annular inner wall and right angle facial bit combination rectangularity raceway; Be arranged with the elongated cylindrical roller and the spacing block that are intervally arranged in the rectangular raceway.
A kind of three raceway goalpost are in conjunction with pivoting support, include ring gear and outer ring, it is characterized in that: described outer ring includes involutory outer Shang Quan and Wai Xiaquan mutually, have annular groove on the annular inner wall of described outer ring, the top of described annular groove is upper arcuate concavity, the bottom is the right angle face, and the position that is positioned at outer Shang Quan and the combination of outer circle down on the described annular groove is provided with left angle-shaped groove; The position suitable for reading of the annular outer wall of described ring gear is provided with the arc lower concave surface corresponding with upper arcuate concavity, and the intermediate portion is provided with the right angle-shaped groove corresponding with left angle-shaped groove, and the end opening position is provided with the step surface corresponding with the right angle face; After described ring gear and the outer ring assembling, the arc lower concave surface and the upper arcuate concavity position of described ring gear annular outer wall are combined into the cylindrical shape raceway, be placed with spaced steel ball and spacing block in the cylindrical shape raceway, four point of contact of cylindrical shape raceway wall and steel ball sphere change into up and down and general through ball type differs 45 ° of ∠.The right angle-shaped groove of ring gear annular outer wall and left comer shape groove location are combined into square raceway, criss-crossing is arranged with short cylindrical shape roller and spacing block spaced apart in the square raceway, the step surface of ring gear annular inner wall and right angle facial bit combination rectangularity raceway; Be arranged with the elongated cylindrical roller and the spacing block that are intervally arranged in the rectangular raceway.
Described spacing block is the plastic cement spacing block.
Described a kind of three raceway goalpost are in conjunction with pivoting support, and it is characterized in that: the angle of described left and right angle-shaped groove is 45 °.
Described a kind of three raceway goalpost is characterized in that in conjunction with pivoting support: described external toothing is respectively equipped with seal ring with the position that interior Shang Quan and interior circle down engage.
Described a kind of three raceway goalpost is characterized in that in conjunction with pivoting support: described ring gear is respectively equipped with seal ring with the position that outer Shang Quan and outer circle down engage.
Shang Quan and interior down circle become inner ring with bolt silently in described.
Described outer Shang Quan and outer circle down become the outer ring with bolt silently.
All enclose the utility model up and down fastening the bolt hole and the tank filler sleeve of circle up and down must be set, but do not establish filling hole, plug and wear pin.
The utility model is a kind of pivoting support reinforced, special rolling form, and three ring-type cylindrical shapes, square and rectangular raceway are set, respectively in dress steel ball, short cylinder (∮＞L) or elongated cylinder (and the roller of L＞∮), its major advantage has:
1, the utility model becomes three raceways by traditional single raceway, has strengthened rolling structure, helps great type pivoting support stress equalization and operates steadily.
2, the utility model adopts three raceways, and it is staggered that the Internal and external cycle binding site is charged into mutually, optimized rolling element stressed proterties up and down, thereby, strengthened it greatly axially, radially and the stressed ability of toppling.
3, the utility model is the combination of ball formula, decussation roller formula and three kinds of rolling forms of pillar, concentrated the advantage of various structures, as the simple and direct smoothness of ball formula, operating steadily of the stress equalization of decussation roller formula, pillar strengthened the performance and the quality of product greatly.
Description of drawings:
Fig. 1 is embodiment one a structural representation.1 is external toothing, and 2 is the interior circle of going up, and 3 is interior circle down, and 4 is raceway, and 5 is steel ball, and 6 is raceway, and 7 is roller, and 8 is raceway, and 9 is roller, and 10 is seal ring.
Fig. 2 is embodiment two a structural representation.11 is ring gear, and 12 is the outer circle of going up, and 13 is outer circle down, and 14 is raceway, and 15 is steel ball, and 16 is raceway, and 17 is roller, and 18 is raceway, and 19 is roller, and 20 is seal ring.
Embodiment:
Referring to accompanying drawing.
Embodiment one:
A kind of three raceway goalpost are in conjunction with pivoting support, include external toothing 1 and inner ring, inner ring includes involutory mutually interior circle 2 and the interior circle 3 down gone up, have annular groove on the annular outer wall of described inner ring, the top of described annular groove is upper arcuate concavity, the bottom is the right angle face, and the position that is positioned at Shang Quan and circle combination down on the described annular groove is provided with right angle-shaped groove; The position suitable for reading of the annular inner wall of described external toothing 1 is provided with the arc lower concave surface corresponding with upper arcuate concavity, and the intermediate portion is provided with the left angle-shaped groove corresponding with right angle-shaped groove, and the end opening position is provided with the step surface corresponding with the right angle face; After described external toothing and the inner ring assembling, the arc lower concave surface and the upper arcuate concavity position of described external toothing 1 annular inner wall are combined into cylindrical shape raceway 4, be placed with spaced steel ball 5 and spacing block in the cylindrical shape raceway 4, four point of contact of cylindrical shape raceway wall and steel ball 5 spheres change into up and down and general through ball type differs 45 ° of ∠.The right angle-shaped groove of external toothing 1 annular inner wall and left comer shape groove location are combined into square raceway 6, criss-crossing is arranged with short cylindrical shape roller 7 and spacing block spaced apart in the square raceway 6, the step surface of external toothing 1 annular inner wall and right angle facial bit combination rectangularity raceway 8; Be arranged with the elongated cylindrical roller 9 and the spacing block that are intervally arranged in the rectangular raceway 8.The angle of left and right angle-shaped groove is 45 °.External toothing 1 is respectively equipped with seal ring 10 with the position that interior Shang Quan and interior circle down engage.
Embodiment two:
A kind of three raceway goalpost are in conjunction with pivoting support, include ring gear 11 and outer ring, the outer ring includes involutory mutually outer circle 12 and the outer circle 13 down gone up, have annular groove on the annular inner wall of described outer ring, the top of described annular groove is upper arcuate concavity, the bottom is the right angle face, and the position that is positioned at outer Shang Quan and the combination of outer circle down on the described annular groove is provided with left angle-shaped groove; The position suitable for reading of the annular outer wall of described ring gear 11 is provided with the arc lower concave surface corresponding with upper arcuate concavity, and the intermediate portion is provided with the right angle-shaped groove corresponding with left angle-shaped groove, and the end opening position is provided with the step surface corresponding with the right angle face; After described ring gear 11 and the outer ring assembling, the arc lower concave surface and the upper arcuate concavity position of described ring gear 11 annular outer walls are combined into cylindrical shape raceway 14, be placed with spaced steel ball 15 and spacing block in the cylindrical shape raceway 14, four point of contact of cylindrical shape raceway wall and steel ball sphere change into up and down and general through ball type differs 45 ° of ∠.The right angle-shaped groove of ring gear 11 annular outer walls and left comer shape groove location are combined into square raceway 16, criss-crossing is arranged with short cylindrical shape roller 17 and spacing block spaced apart in the square raceway 16, the step surface of ring gear 11 annular inner walls and right angle facial bit combination rectangularity raceway 18; Be arranged with the elongated cylindrical roller 19 and the spacing block that are intervally arranged in the rectangular raceway 18.The angle of left and right angle-shaped groove is 45 °.Ring gear 11 is respectively equipped with seal ring 20 with the position that outer Shang Quan and outer circle down engage.
Assembling is given an example:
At first interior down circle 3 is lain on the assembling table top, a underlay 4-6 contour pad at good elongated cylindrical roller 9 of rectangular raceway 8 positional alignment and spacing block, and clings with butter; Then load onto external toothing 1, rotate the assembly quality of external toothing 1 check rectangular raceway 8 and elongated cylindrical roller 9 at the outside of Nei Xiaquan 3 cover; One horizontal one perpendicular good short cylindrical shape roller 7 of cross arrangement and spacing block in square raceway 6 clogged butter again, gently changes external toothing 1, watches short cylindrical shape roller 7 situations; Discharging steel ball 5 in cylindrical shape raceway 4 is clogged butter in addition, watches steel ball 5 situations; Then, go up circle 2 in closing, fastening interior circle 2 and the interior bolt of circle 3 down, arrangement seal ring and the oil nozzle gone up; Carry out Checking of finished products at last.
Claims (5)
1. a raceway goalpost is in conjunction with pivoting support, include external toothing and inner ring, it is characterized in that: described inner ring includes involutory interior Shang Quan and Nei Xiaquan mutually, have annular groove on the annular outer wall of described inner ring, the top of described annular groove is upper arcuate concavity, the bottom is the right angle face, and the position that is positioned at Shang Quan and circle combination down on the described annular groove is provided with right angle-shaped groove; The position suitable for reading of the annular inner wall of described external toothing is provided with the arc lower concave surface corresponding with upper arcuate concavity, and the intermediate portion is provided with the left angle-shaped groove corresponding with right angle-shaped groove, and the end opening position is provided with the step surface corresponding with the right angle face; After described external toothing and the inner ring assembling, the arc lower concave surface and the upper arcuate concavity position of described external toothing annular inner wall are combined into the cylindrical shape raceway, be placed with spaced steel ball and spacing block in the cylindrical shape raceway, the right angle-shaped groove of external toothing annular inner wall and left comer shape groove location are combined into square raceway, criss-crossing is arranged with short cylindrical shape roller and spacing block spaced apart in the square raceway, the step surface of external toothing annular inner wall and right angle facial bit combination rectangularity raceway; Be arranged with the elongated cylindrical roller and the spacing block that are intervally arranged in the rectangular raceway.
2. a raceway goalpost is in conjunction with pivoting support, include ring gear and outer ring, it is characterized in that: described outer ring includes involutory outer Shang Quan and Wai Xiaquan mutually, have annular groove on the annular inner wall of described outer ring, the top of described annular groove is upper arcuate concavity, the bottom is the right angle face, and the position that is positioned at outer Shang Quan and the combination of outer circle down on the described annular groove is provided with left angle-shaped groove; The position suitable for reading of the annular outer wall of described ring gear is provided with the arc lower concave surface corresponding with upper arcuate concavity, and the intermediate portion is provided with the right angle-shaped groove corresponding with left angle-shaped groove, and the end opening position is provided with the step surface corresponding with the right angle face; After described ring gear and the outer ring assembling, the arc lower concave surface and the upper arcuate concavity position of described ring gear annular outer wall are combined into the cylindrical shape raceway, be placed with spaced steel ball and spacing block in the cylindrical shape raceway, the right angle-shaped groove of ring gear annular outer wall and left comer shape groove location are combined into square raceway, criss-crossing is arranged with short cylindrical shape roller and spacing block spaced apart in the square raceway, the step surface of ring gear annular inner wall and right angle facial bit combination rectangularity raceway; Be arranged with the elongated cylindrical roller and the spacing block that are intervally arranged in the rectangular raceway.
3. a kind of three raceway goalpost according to claim 1 and 2 are in conjunction with pivoting support, and it is characterized in that: the angle of described left and right angle-shaped groove is 45 °.
4. a kind of three raceway goalpost according to claim 1 is characterized in that in conjunction with pivoting support: described external toothing is respectively equipped with seal ring with the position that interior Shang Quan and interior circle down engage.
5. a kind of three raceway goalpost according to claim 2 is characterized in that in conjunction with pivoting support: described ring gear is respectively equipped with seal ring with the position that outer Shang Quan and outer circle down engage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201468542U CN202091359U (en) | 2011-05-11 | 2011-05-11 | Triple-raceway ball cylinder combined rotating support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201468542U CN202091359U (en) | 2011-05-11 | 2011-05-11 | Triple-raceway ball cylinder combined rotating support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202091359U true CN202091359U (en) | 2011-12-28 |
Family
ID=45366428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201468542U Expired - Fee Related CN202091359U (en) | 2011-05-11 | 2011-05-11 | Triple-raceway ball cylinder combined rotating support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202091359U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107662525A (en) * | 2016-07-29 | 2018-02-06 | 株式会社瑞延理化 | Seat rotating device for vehicle |
-
2011
- 2011-05-11 CN CN2011201468542U patent/CN202091359U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107662525A (en) * | 2016-07-29 | 2018-02-06 | 株式会社瑞延理化 | Seat rotating device for vehicle |
| CN107662525B (en) * | 2016-07-29 | 2020-05-12 | 株式会社瑞延理化 | Seat rotating apparatus for vehicle |
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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: 20111228 Termination date: 20170511 |