CN208431283U - A kind of pivoting support of high pressure resistant environment - Google Patents
A kind of pivoting support of high pressure resistant environment Download PDFInfo
- Publication number
- CN208431283U CN208431283U CN201820682110.4U CN201820682110U CN208431283U CN 208431283 U CN208431283 U CN 208431283U CN 201820682110 U CN201820682110 U CN 201820682110U CN 208431283 U CN208431283 U CN 208431283U
- Authority
- CN
- China
- Prior art keywords
- ring
- outer ring
- pivoting support
- sealing
- inner ring
- 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.)
- Active
Links
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of pivoting supports of high pressure resistant environment, are related to pivoting support technical field.The pivoting support includes outer ring and the inner ring in outer ring, and the inner ring is higher than outer ring, and the outer ring inner ring face and inner ring outer ring surface offer corresponding raceway, several steel balls are placed in the raceway, and the outer ring and inner ring are respectively equipped with several radially installed holes；Sealing structure, the first inner seal structure, the second inner seal structure and lower sealing structure are successively arranged between the outer ring and inner ring from top to bottom, first inner seal structure is between upper sealing structure and steel ball, and second inner seal structure is between lower sealing structure and steel ball.Two sides use dual sealing structure to high pressure resistant pivoting support raceway described in the utility model up and down; effectively stop impurity; simultaneously; inner seal structure can play good support effect; avoid O-ring deformation excessive; sealing structure is protected, while reducing the pressure of steel ball receiving, is effectively protected steel ball.
Description
Technical field
The utility model relates to pivoting support technical field more particularly to a kind of pivoting supports of high pressure resistant environment.
Background technique
Pivoting support is a kind of traditional swing mechanism, and critically important effect and status are played in construction machinery industry
Its main structure type has: single-row ball type, double ball-type, crossed pin roller type etc..Due to various informative varying dimensions, use
Range it is wider, applicable work condition environment is also relatively broad.The primary clustering of general pivoting support is: inner ring, outer ring, steel ball,
Spacing block or retainer, sealing strip, oil nozzle, blocking etc..With the development of technology, the application field of pivoting support is more and more wider
General, the research for pivoting support under particular surroundings is gradually goed deep into.When pivoting support is in following hyperbaric environment: (1) for example existing
In deep-well environment, atmospheric pressure ambient pressure is about 0.4-0.8MPa (B grades of sub-high pressure)；(2) for example in briny environment, under every
Latent 10 meters of depth, hydraulic pressure increase a standard atmospheric pressure 0.1MPa.When pivoting support is used under hyperbaric environment, due to general
Logical gasket structure is simple, understands malformation when by high pressure and loses functionality, so conventional seals structure only serves gear
Dirt effect, accelerates the Module Dissipation in raceway, can not protect the steel ball in raceway well, so that the service life of pivoting support is big
It is big to reduce.Therefore, to meet hyperbaric environment use demand, returning under hyperbaric environment is specifically applied to the utility model proposes a kind of
Turn bearing.
Utility model content
To solve the above problems, the utility model proposes a kind of pivoting support of high pressure resistant environment, the revolutions
It is supported under hyperbaric environment, the baffle ring in inner seal structure can play a supporting role inner ring and outer ring, and sealing ring is avoided to become
Shape is excessive and damages, and steel ball is protected, and service life of the pivoting support under hyperbaric environment is improved.
To achieve the goals above, the utility model uses following scheme, including outer ring (1) and the inner ring in outer ring
(2), the inner ring (2) is higher than outer ring (1), and outer ring (1) inner ring surface and inner ring (2) outer ring surface offer corresponding raceway (3),
It is placed with several steel balls (4) in the raceway (3), the outer ring (1) and inner ring (2) are respectively equipped with several radially installed holes (9)；
Sealing structure (5), the first inner seal structure (6), second are successively arranged between the outer ring (1) and inner ring (2) from top to bottom
Inner seal structure (7) and lower sealing structure (8), first inner seal structure (6) are located at upper sealing structure (5) and steel ball
(4) between, second inner seal structure (7) is between lower sealing structure (8) and steel ball (4).
Further, the upper sealing structure (5) includes: that the upper plane inside edge of the outer ring (1) is provided with the first ring
V notch v (51), the inner ring (2), which is higher than on the outer ring surface of outer ring (1), to be offered the first annular groove (53), first annular groove
(53) it is fixed with the first sealing ring (52), first annular notch (51) is close at the edge of first sealing ring (52).
Further, first inner seal structure (6) includes: that the outer ring surface of the inner ring (2) is equipped with the second annular groove
(61), a pair of first baffle ring (62) is equipped in second annular groove (61), it is close to be equipped with second between two first baffle ring (62)
Seal (63).
Further, second inner seal structure (7) includes: that the outer ring surface of the inner ring (2) is equipped with third annular groove
(71), a pair of second baffle ring (72) is equipped in the third annular groove (71), it is close to be equipped with third between two second baffle ring (72)
Seal (73).
Further, the lower sealing structure (8) includes: the outer ring (1) lower than offering on the inner ring surface of inner ring (2)
4th annular groove (81), the lower plane outer edge of the inner ring (2) are provided with the second annular notch (82), the 4th annular groove (81)
It is fixed with the 4th sealing ring (83), the second annular notch (82) is close at the edge of the 4th sealing ring (83).
Further, the section of first baffle ring (62) is rectangle, and second sealing ring (63) is O-ring.
Further, the section of second baffle ring (72) is rectangle, and the third sealing ring (73) is O-ring.
Utility model has the advantages that the pivoting support uses dual sealing structure, when upper sealing structure is close under
When the impurity that seal structure cannot stop enters inside and outside ring gap, first inner seal structure and the second inner seal structure are to entrance
The impurity in gap plays blocking effect, to protect steel ball；When the pivoting support is in hyperbaric environment, the baffle ring can be risen
It to good support effect, avoids O-ring deformation excessive, protects sealing structure, while reducing the pressure of steel ball receiving, have
Effect ground protection steel ball.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the pivoting support of high pressure resistant environment described in the utility model.
Fig. 2 is the partial structure diagram of the pivoting support of high pressure resistant environment described in the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, so that those skilled in the art can be more
Add and be apparent from, as depicted in figs. 1 and 2, the utility model uses following scheme, including outer ring (1) and in outer ring
Inner ring (2), the inner ring (2) are higher than outer ring (1), and outer ring (1) inner ring surface and inner ring (2) outer ring surface offer corresponding raceway
(3), it is placed with several steel balls (4) in the raceway (3), the outer ring (1) and inner ring (2) are respectively equipped with several radially installed holes
(9)；Be successively arranged from top to bottom between the outer ring (1) and inner ring (2) sealing structure (5), the first inner seal structure (6),
Second inner seal structure (7) and lower sealing structure (8), first inner seal structure (6) are located at upper sealing structure (5) and steel
Between ball (4), second inner seal structure (7) is between lower sealing structure (8) and steel ball (4).
The upper sealing structure (5) includes: that the upper plane inside edge of the outer ring (1) is provided with first annular notch
(51), the inner ring (2) is higher than on the outer ring surface of outer ring (1) and offers the first annular groove (53), and first annular groove (53) is fixed
Have the first sealing ring (52), first annular notch (51) is close at the edge of first sealing ring (52).
First inner seal structure (6) includes: that the outer ring surface of the inner ring (2) is equipped with the second annular groove (61), described
It is equipped with a pair of first baffle ring (62) in second annular groove (61), is equipped with the second sealing ring (63) between two first baffle ring (62).
Second inner seal structure (7) includes: that the outer ring surface of the inner ring (2) is equipped with third annular groove (71), described
It is equipped with a pair of second baffle ring (72) in third annular groove (71), is equipped with third sealing ring (73) between two second baffle ring (72).
The lower sealing structure (8) includes: the outer ring (1) lower than offering the 4th annular groove on the inner ring surface of inner ring (2)
(81), the lower plane outer edge of the inner ring (2) is provided with the second annular notch (82), and the 4th annular groove (81) is fixed with the
The second annular notch (82) is close at four sealing rings (83), the edge of the 4th sealing ring (83).
The section of first baffle ring (62) is rectangle, and second sealing ring (63) is O-ring.Second baffle ring
(72) section is rectangle, and the third sealing ring (73) is O-ring.
When pivoting support is processed, the process of inner ring 2 and the processing of outer ring 1 is rough turn → half smart car → drilling → smart car → fine grinding
Raceway.In order to ensure location dimension and sealing structure installation dimension meet tolerance, by smart car and fine grinding raceway procedure of processing
Processing is realized on the same device.When inner ring 2 is processed, by integral installation on process equipment, rolling is processed under same benchmark
Road 3, the second annular groove (61) and the 4th annular groove (71), position straight mouth and mounting surface.
Before pivoting support assembly, outer ring (1) is heated, inner ring 2 is tightly laggard with transparent modeling bagging and packaging
Row cooling processing；Outer ring 1 and inner ring 2 are fixed on assembly station after processing, the first baffle ring (62), the are installed at once after fixed
Two sealing rings (63), the second baffle ring (72) and third sealing ring (73)；Steel ball 4 and spacing block are inserted into raceway 3 by pilot hole,
Then pilot hole is blocked；Neutral environment-friendlyadhesive adhesive is applied in the first annular groove (553) and the 4th annular groove (83), then by the first sealing ring
(52) it is fixed in the first annular groove (53) and the 4th annular groove (83) with the 4th sealing ring (82).Note is provided on no gear ring
Oilhole, grease inject raceway 3 by lubricating cup, play the role of lubrication to the operating of raceway 3 and steel ball 4.
The roughness of second annular groove (61) and third annular groove (71) be 1.6um, 1 inner ring surface corresponding position of outer ring it is thick
Rugosity is 0.8um.After the size of the outer ring 1 and inner ring 2 will guarantee pivoting support assembly, the decrement 0.95- of O-ring
1.05, to reach optimal seal effect and influence to staring torque is lower.
Claims (7)
1. a kind of pivoting support of high pressure resistant environment, the inner ring (2) including outer ring (1) and in outer ring, the inner ring (2) are high
In outer ring (1), outer ring (1) inner ring surface and inner ring (2) outer ring surface are offered corresponding raceway (3), are placed in the raceway (3)
Have several steel balls (4), the outer ring (1) and inner ring (2) are respectively equipped with several radially installed holes (9), it is characterised in that: described outer
Sealing structure (5), the first inner seal structure (6), the second interior sealing are successively arranged between circle (1) and inner ring (2) from top to bottom
Structure (7) and lower sealing structure (8), first inner seal structure (6) between upper sealing structure (5) and steel ball (4),
Second inner seal structure (7) is between lower sealing structure (8) and steel ball (4).
2. the pivoting support of high pressure resistant environment according to claim 1, which is characterized in that the upper sealing structure (5) includes:
The upper plane inside edge of the outer ring (1) is provided with first annular notch (51), and the inner ring (2) is higher than the outer ring of outer ring (1)
It is offered on face the first annular groove (53), first annular groove (53) is fixed with the first sealing ring (52), first sealing ring
(52) it is close to first annular notch (51) in edge.
3. the pivoting support of high pressure resistant environment according to claim 1, which is characterized in that first inner seal structure (6)
Include: that the outer ring surface of the inner ring (2) is equipped with the second annular groove (61), a pair of first baffle ring is equipped in second annular groove (61)
(62), the second sealing ring (63) are equipped between two first baffle ring (62).
4. the pivoting support of high pressure resistant environment according to claim 1, which is characterized in that second inner seal structure (7)
Include: that the outer ring surface of the inner ring (2) is equipped with third annular groove (71), a pair of second baffle ring is equipped in the third annular groove (71)
(72), third sealing ring (73) are equipped between two second baffle ring (72).
5. the pivoting support of high pressure resistant environment according to claim 1, which is characterized in that the lower sealing structure (8) includes:
The outer ring (1), which is lower than on the inner ring surface of inner ring (2), offers the 4th annular groove (81), the lower plane outer edge of the inner ring (2)
Place is provided with the second annular notch (82), and the 4th annular groove (81) is fixed with the 4th sealing ring (83), the 4th sealing ring
(83) it is close to the second annular notch (82) in edge.
6. the pivoting support of high pressure resistant environment according to claim 3, it is characterised in that: the section of first baffle ring (62)
For rectangle, second sealing ring (63) is O-ring.
7. the pivoting support of high pressure resistant environment according to claim 4, it is characterised in that: the section of second baffle ring (72)
For rectangle, the third sealing ring (73) is O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820682110.4U CN208431283U (en) | 2018-05-09 | 2018-05-09 | A kind of pivoting support of high pressure resistant environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820682110.4U CN208431283U (en) | 2018-05-09 | 2018-05-09 | A kind of pivoting support of high pressure resistant environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431283U true CN208431283U (en) | 2019-01-25 |
Family
ID=65102687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820682110.4U Active CN208431283U (en) | 2018-05-09 | 2018-05-09 | A kind of pivoting support of high pressure resistant environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208431283U (en) |
-
2018
- 2018-05-09 CN CN201820682110.4U patent/CN208431283U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105626872B (en) | Integrated mechanical sealing | |
| CN203051766U (en) | Floating oil seal component and mechanical device with same | |
| CN204239484U (en) | A kind of hub-bearing unit | |
| CN203560507U (en) | Novel quadruple-combined sealing pipeline ball valve seat | |
| CN208431283U (en) | A kind of pivoting support of high pressure resistant environment | |
| CN204239455U (en) | A kind of doubling sealed bearing | |
| CN204185380U (en) | A kind of annealing furnace roller way driving terminal wheel casing sealing structure of shaft end | |
| CN103609248A (en) | Gear train sealing structure of harvester | |
| CN204025366U (en) | There is the roller bearing units of dustproof guard ring | |
| CN203948446U (en) | The hermetically sealed single row full-filling roller bearing of a kind of king post system | |
| CN105526365A (en) | Rotation sealing mechanism | |
| CN205025928U (en) | Flanged (FLGD) two -way thrust angular contact bearing | |
| CN205371582U (en) | Spacing antifriction structure of axial | |
| CN201963874U (en) | Gear bearing box multiple sealing device for large mill machine | |
| CN205876968U (en) | Plummer block | |
| CN107255121A (en) | A kind of double-row angular contact bal bearing | |
| CN203661595U (en) | Wheel train sealing structure of harvester | |
| CN203627545U (en) | External spherical surface ball bearing with vertical type seat | |
| CN102937185A (en) | Multiple shaft seal structure | |
| CN206682169U (en) | A kind of vertical shaft bearing with waterproof construction | |
| CN204267690U (en) | Axle main speed reducer and vehicle | |
| CN206555315U (en) | A kind of sealed universal joint of new outer oil seal | |
| CN220956809U (en) | Long-service-life muddy water-proof hub oil seal with V-shaped ring | |
| CN208919067U (en) | A kind of high-accuracy angular contact ball bearing | |
| CN212079954U (en) | Sealing structure for slewing bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |