CN203570841U - Three-ring inner and outer tooth type rotary bearing - Google Patents
Three-ring inner and outer tooth type rotary bearing Download PDFInfo
- Publication number
- CN203570841U CN203570841U CN201320746882.7U CN201320746882U CN203570841U CN 203570841 U CN203570841 U CN 203570841U CN 201320746882 U CN201320746882 U CN 201320746882U CN 203570841 U CN203570841 U CN 203570841U
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- Prior art keywords
- raceway
- ring
- filling hole
- slightly
- centre circle
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Abstract
The utility model discloses a three-ring inner and outer tooth type rotary bearing which is divided into an inner tooth down mounting type and an outer tooth down mounting type. The inner tooth down mounting type comprises an inner ring, a middle ring and an outer ring, wherein a rolling way I is arranged at a slightly upper position of the combination surface of the inner ring and the middle ring, and a rolling way II is arranged at a slightly lower position of the combination surface of the middle ring and the outer ring; the rolling way I and the rolling way II are annular round pipes or square pipes; rolling bodies are steel balls or short cylinders; an inner gear is arranged on the lower half part of the inner side surface of the inner ring, and an outer gear is arranged on the outer side surface of the outer ring; a filling hole I is led to the rolling way I from the slightly upper part of the inner side surface of the inner ring; a filling hole II is led to the rolling way II from the slightly lower part of the inner side surface of the middle ring; down mounting teeth of the outer tooth down mounting type and the inner tooth down mounting type are opposite. The three-ring inner and outer tooth type rotary bearing is reasonable in structural design and suitable for main unit equipment for dual rotation and dual force transmission.
Description
Technical field
The utility model belongs to novel mechanical product technical field, relates in particular to external tooth type pivoting support in a kind of three circles.
Background technique
Pivoting support is normally nested and is formed by inside and outside two steel rings, on the junction plane between two steel rings, is provided with raceway, and in raceway, the rolling element such as filling steel ball, roller, by the interaction of raceway and rolling element, realizes the relative revolution of two steel rings.Meanwhile, owing to offering filling hole, pivoting support only has a steel ring to establish gear conventionally, and the outer side surface that the inner side surface of inner ring arranges internal gear or outer ring arranges external gear, to can dig filling hole on the steel ring of not establishing gear.
The utility model is a kind of special pivoting support.It is provided with interior, in, outer three steel rings that are nested, between interior steel ring and middle steel ring, between middle steel ring and outer rim, the rolling element that is respectively provided with raceway and matches, can carry out double back and turn.The inner side surface of the utility model inner ring and the outer side surface of outer ring are all provided with gear simultaneously, therefore be called " external tooth type pivoting support in three circles ".
Model utility content
The purpose of this utility model is in order to make up the deficiency of prior art, and external tooth type pivoting support in a kind of three circles is provided.
The utility model is achieved through the following technical solutions:
An external tooth type pivoting support in three circles, is divided into internal tooth underneath type and external tooth underneath type, it is characterized in that: its internal tooth underneath type includes inner ring (1), centre circle (2) and outer ring (3), in described internal tooth underneath type
The slightly upper raceway one (4) that installed of circle (1) and both junction planes of centre circle (2), slightly upper/lower positions at centre circle (2) and both junction planes of outer ring (3) is provided with raceway two (5), also include internal gear (7), external gear (8), filling hole one (9) and filling hole two (10), it is characterized in that: described internal gear (7) is placed in the Lower Half of inner ring (1) inner side surface, described external gear (8) is located at the outer side surface of outer ring (3), described filling hole one (9) slightly leads to raceway one (4) from inner ring (1) inner side surface, described filling hole two (10) leads to slightly down raceway two (5) from centre circle (2) inner side surface, in raceway one (4) and raceway two (5), coordinate rolling element (6) is installed, described internal gear (7) is arranged on the Lower Half of inner ring (1) inner side surface, not affect the setting of filling hole one (9), described external gear (8) is arranged on the outer side surface of outer ring (3), described filling hole one (9) is arranged on inner ring (1) first half, described filling hole two (10) is arranged on centre circle (2) Lower Half, not affect the setting of raceway one (4).
Its external tooth underneath type includes outer ring (11), centre circle (12) and inner ring (13), the slightly upper raceway one (14) that installed of described outer ring (11) and both junction planes of centre circle (12), slightly upper/lower positions at centre circle (12) and both junction planes of inner ring (13) is provided with raceway two (15), also include external gear (17), internal gear (18), filling hole one (19) and filling hole two (20), it is characterized in that: described external gear (17) is placed in the Lower Half of outer ring (11) outer side surface, described internal gear (18) is located at the inner side surface of inner ring (13), from outer ring, (11) outer side surface slightly leads to raceway one (14) to described filling hole one (19), described filling hole two (20) leads to slightly down raceway two (15) from centre circle (12) outer side surface, in raceway one (14) and raceway two (15), coordinate rolling element (16) is installed, described external gear (17) is arranged on the Lower Half of outer ring (11) outer side surface, not affect the setting of filling hole one (19), described internal gear (18) is arranged on inner ring (13) inner side surface, described filling hole one (19) is arranged on outer ring (11) first half, described filling hole two (20) is arranged on centre circle (12) Lower Half, not affect the setting of raceway one (14).
Described raceway one (4), (14) and raceway two (5), (15) are ring-type tubular shape or ring-type square-tube-shaped or circle one side, and described rolling element (6), (16) are steel ball or short cylinder, and all with spacing block, separate between rolling element.
The diameter of described raceway one (4), (14) and raceway two (5), (15) all equates with the length of side, the steel ball of rolling element (6), (16) is bearing steel ball, the short cylinder of rolling element (6), (16) is that slightly larger in diameter is in high steel column, in tubular shape raceway, can only load steel ball, in square-tube-shaped raceway, can intersect filling short cylinder, also can load steel ball or load in mixture in order steel ball and steel column.
Described raceway two (5) and the oil nozzle of (15) fuel feeding should be located at respectively the upper surface of outer ring (3) and inner ring (13), and oil circuit must turn round and enters raceway.It is special that the setting of its oil circuit, seal ring and mounting hole there is no, and just the oil circuit of raceway two should turn round, and seal ring has more one times.
Mounting hole on described centre circle is through hole.
The utility model has the advantages that:
The utility model reasonable in design, applicable needs carry out two rotating main process equipments and adopt, for example: can be used for the articulated bogie of rail traffic vehicles, for conventional bogie, more steady, the sensitive and safety of vehicle operating.
Accompanying drawing explanation
Fig. 1 is the internal tooth underneath type structural representation of external tooth type pivoting support in three circles.
In figure, 1 is inner ring, and 2 is centre circle, and 3 is outer ring, and 4 is that raceway one, 5 is that raceway two, 6 is rolling element, and 7 is internal gear, and 8 is external gear, and 9 is that filling hole one, 10 is filling hole two.
Fig. 2 is the external tooth underneath type structural representation of external tooth type pivoting support in three circles.
In figure, 11 is outer ring, and 12 is centre circle, and 13 is inner ring, and 14 is that raceway one, 15 is that raceway two, 16 is rolling element, and 17 is external gear, and 18 is internal gear, and 19 is that filling hole one, 20 is filling hole two.
Embodiment
Referring to accompanying drawing 1, external tooth type pivoting support in a kind of three circles, its internal tooth underneath type includes inner ring (1), centre circle (2) and outer ring (3), slightly upper semicircle or the isosceles right triangle groove of having installed of described inner ring (1) ring-type outer wall, slightly goes up the synthetic tubular shape of the set identical shaped groups of slots in position or square-tube-shaped raceway one (4) with centre circle (2) inwall; Described centre circle (2) ring-type outer wall slightly upper/lower positions is provided with semicircle or isosceles right triangle groove, synthesizes tubular shape or square-tube-shaped raceway two (5) with the identical shaped groups of slots that outer ring (3) endless inner wall is set; Described raceway one (4) and raceway two (5) can be same shapes, can be also difformities, but the diameter of all raceway walls or the size of the length of side all should equate, and and the diameter of the rolling element (6) such as all steel balls and short cylinder consistent; In tubular shape raceway, can only load steel ball, in square-tube-shaped raceway, can criss-crossing load short cylinder, also can load in mixture in order steel ball and short cylinder, between each steel ball or short cylinder, all with the plastic cement spacing block matching, separate.Described internal gear (7) is located at the Lower Half of inner ring (1) inner side surface, to avoid inner ring (1), slightly go up the filling hole one (9) of position, described external gear (8) is located at the outer side surface of outer ring (3), described filling hole one (9) slightly leads to raceway one (4) from inner ring (1) inner side surface, described filling hole two (10) leads to slightly down raceway two (5) from centre circle (2) inner side surface, and filling hole one (9) and filling hole two (10) are all furnished with plug piece and wear pin.The assemble sequence of its internal tooth underneath type should be from outside to inside, first cover installs outer ring (3) and centre circle (2), fill the rolling element (6) in raceway two (5), stifled good filling hole two (10) setting stick check after rolling effect, then inner ring (1) are enclosed within centre circle (2) and carry out assembling work.
Referring to accompanying drawing 2, external tooth type pivoting support in a kind of three circles, its external tooth underneath type includes outer ring (11), centre circle (12) and inner ring (13), slightly upper semicircle or the isosceles right triangle groove of having installed of described outer ring (11) endless inner wall, slightly goes up the synthetic tubular shape of the set identical shaped groups of slots in position or square-tube-shaped raceway one (14) with centre circle (12) outer wall; Described centre circle (12) endless inner wall slightly upper/lower positions is provided with semicircle or isosceles right triangle groove, synthesizes tubular shape or square-tube-shaped raceway two (15) with the identical shaped groups of slots that inner ring (13) ring-type outer wall is set; Described raceway one (14) and raceway two (15) can be same shapes, can be also difformities, but the diameter of all raceway walls or the size of the length of side all should equate, and and the diameter of the rolling element (16) such as all steel balls and short cylinder consistent; In tubular shape raceway, can only load steel ball, in square-tube-shaped raceway, can criss-crossing load short cylinder, also can load in mixture in order steel ball and short cylinder, between each steel ball or short cylinder, all with the plastic cement spacing block matching, separate.Described external gear (17) is located at the Lower Half of outer ring (11) outer side surface, to avoid outer ring (11), slightly go up the filling hole one (19) of position, described internal gear (18) is located at the inner side surface of inner ring (13), from outer ring, (11) outer side surface slightly leads to raceway one (14) to described filling hole one (19), described filling hole two (20) leads to slightly down raceway two (15) from centre circle (12) outer side surface, and filling hole one (19) and filling hole two (20) are all furnished with plug piece and wear pin.The assemble sequence of its external tooth underneath type should be from inside to outside, first cover installs inner ring (13) and centre circle (12), fill the rolling element (16) in raceway two (15), stifled good filling hole two (20) setting stick check after rolling effect, then outer ring (11) are enclosed within centre circle (12) and carry out assembling work.
Claims (5)
1. an external tooth type pivoting support in three circles, is divided into internal tooth underneath type and external tooth underneath type, it is characterized in that:
Its internal tooth underneath type includes inner ring (1), centre circle (2) and outer ring (3), the slightly upper raceway one (4) that installed of described internal tooth underneath type inner ring (1) and both junction planes of centre circle (2), slightly upper/lower positions at centre circle (2) and both junction planes of outer ring (3) is provided with raceway two (5), also include internal gear (7), external gear (8), filling hole one (9) and filling hole two (10), described internal gear (7) is placed in the Lower Half of inner ring (1) inner side surface, described external gear (8) is located at the outer side surface of outer ring (3), described filling hole one (9) slightly leads to raceway one (4) from inner ring (1) inner side surface, described filling hole two (10) leads to slightly down raceway two (5) from centre circle (2) inner side surface, in raceway one (4) and raceway two (5), coordinate rolling element (6) is installed,
Its external tooth underneath type includes outer ring (11), centre circle (12) and inner ring (13), the slightly upper raceway one (14) that installed of outer ring (11) and both junction planes of centre circle (12), slightly upper/lower positions at centre circle (12) and both junction planes of inner ring (13) is provided with raceway two (15), also include external gear (17), internal gear (18), filling hole one (19) and filling hole two (20), it is characterized in that: described external gear (17) is placed in the Lower Half of outer ring (11) outer side surface, with described internal gear (18), be located at the inner side surface of inner ring (13), from outer ring, (11) outer side surface slightly leads to raceway one (14) to described filling hole one (19), described filling hole two (20) leads to slightly down raceway two (15) from centre circle (12) outer side surface, in raceway one (14) and raceway two (15), coordinate rolling element (16) is installed.
2. according to claim 1 three enclose interior external tooth type pivoting support, it is characterized in that: described raceway one (4,14) and raceway two (5,15) are ring-type tubular shape or ring-type square-tube-shaped or circle one side, described rolling element (6,16) is steel ball or short cylinder, and all with spacing block, separates between rolling element.
3. according to claim 2 three enclose interior external tooth type pivoting support, it is characterized in that: the diameter of described raceway one (4,14) and raceway two (5,15) all equates with the length of side, the steel ball of rolling element (6,16) is bearing steel ball, the short cylinder of rolling element (6,16) is that slightly larger in diameter is in high steel column, in tubular shape raceway, can only load steel ball, in square-tube-shaped raceway, can intersect filling short cylinder, also can load steel ball or load in mixture in order steel ball and steel column.
4. external tooth type pivoting support in three circles according to claim 1, it is characterized in that: described raceway two (5) and the oil nozzle of (15) fuel feeding should be located at respectively the upper surface of outer ring (3) and inner ring (13), and oil circuit must turn round and enters into raceway.
5. external tooth type pivoting support in three circles according to claim 1, is characterized in that: the mounting hole on described centre circle is through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320746882.7U CN203570841U (en) | 2013-11-21 | 2013-11-21 | Three-ring inner and outer tooth type rotary bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320746882.7U CN203570841U (en) | 2013-11-21 | 2013-11-21 | Three-ring inner and outer tooth type rotary bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203570841U true CN203570841U (en) | 2014-04-30 |
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ID=50538573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320746882.7U Expired - Fee Related CN203570841U (en) | 2013-11-21 | 2013-11-21 | Three-ring inner and outer tooth type rotary bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203570841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711790A (en) * | 2013-11-21 | 2014-04-09 | 安徽枞晨回转支承有限公司 | Three-ring internal and external gear type slewing bearing |
-
2013
- 2013-11-21 CN CN201320746882.7U patent/CN203570841U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711790A (en) * | 2013-11-21 | 2014-04-09 | 安徽枞晨回转支承有限公司 | Three-ring internal and external gear type slewing bearing |
| CN103711790B (en) * | 2013-11-21 | 2016-02-10 | 安徽枞晨回转支承有限公司 | External tooth type pivoting support in a kind of three circles |
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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 |
Granted publication date: 20140430 Termination date: 20151121 |