CN201302017Y - High-pressure and high-speed rotary joint - Google Patents
High-pressure and high-speed rotary joint Download PDFInfo
- Publication number
- CN201302017Y CN201302017Y CNU2008201613578U CN200820161357U CN201302017Y CN 201302017 Y CN201302017 Y CN 201302017Y CN U2008201613578 U CNU2008201613578 U CN U2008201613578U CN 200820161357 U CN200820161357 U CN 200820161357U CN 201302017 Y CN201302017 Y CN 201302017Y
- Authority
- CN
- China
- Prior art keywords
- housing
- wear
- outer tube
- seal ring
- resistant seal
- 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 - Lifetime
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Abstract
The utility model relates to a high-pressure and high-speed rotary joint. The rotary joint is characterized in that a tail cover is connected with one end of a housing with a hollow axial section; a rotary outer pipe is connected with an axial inner hole of the housing in a rotary manner; an inner bearing and an outer bearing are sheathed on the outer wall of the rotary outer pipe extending into the housing at an interval; an oil nozzle is arranged on the housing; the rotary outer pipe is connected with the housing in a rotary manner; a spacer is arranged between the sidewalls of the inner bearing and the outer bearing; a retaining ring for a hole is arranged on the inner wall of the housing; a static ring base is arranged in the tail cover; the inner end of the static ring base is separated from the inner end of the rotary outer pipe; a first and a second wearable sealing rings butting against each other at the end surfaces are arranged between the static ring base and the inner end of the rotary outer pipe; the first wearable sealing ring is arranged on an inner step of the static ring base; the second wearable sealing ring is arranged on the inner step of the rotary outer pipe; and an elastic compensation device is arranged between the tail cover and the housing. The high-pressure and high-speed rotary joint is operable under high pressure and at high rotation speed without leakage of sealing parts, and the service life can be greatly prolonged.
Description
Technical field
The utility model relates to a kind of high pressure, high-rotation speed rotary connector, specifically is used for flowing medium and is input to the connection sealed member of lathe or equipment high speed running shaft from static pipeline, belongs to the mechanical sealing technology field.
Background technique
To be flowing medium (Oil, Water, Gas etc.) be input to the connection sealed member of running shaft the equipment from static pipeline with swivel joint, is the seal arrangement that solves run, drip, leak, energy saving, protection environment, improves working conditions.Normally used high pressure swivel joint housing mainly adopts overall structure, has certain degree of difficulty aspect manufacturing, assembling, the maintenance.In addition, original structure has limited the raising of rotating speed under high-pressure state.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and providing a kind of can work under high rotating speed again under high pressure, and Sealing does not leak, and the high pressure, the high-rotation speed rotary connector that prolong working life.
The technological scheme that provides according to the utility model, described high pressure, high-rotation speed rotary connector, be included in axial hollow housing one end and be connected with tail-hood, offer feed pathway in the tail-hood, be rotatably connected to the rotation outer tube in the axial bore of housing, offer liquid outlet channel in the rotation outer tube, stretch into and be socketed with inner bearing and the outer bearing that is provided with at interval on the rotation outer tube outer wall in the housing, on housing, be provided with oil nozzle, the rotation outer tube is rotatably connected in the housing by inner bearing and outer bearing, be provided with the spacer that is socketed on the rotation outer tube between inner bearing and the outer bearing sidewall, inner walls in the outer bearing outside is provided with the hole back-up ring, rotation outer tube inner end is provided with shaft block ring, on shaft block ring, be socketed with the wavy spring pad, between wavy spring pad and inner bearing madial wall, be provided with plain washer, in tail-hood, be provided with stationary seat in axial sliding, offer transition passage in the stationary seat, the inner end of stationary seat is provided with at interval with rotation outer tube inner end, and between the inner end of stationary seat and rotation outer tube, be provided with the first wear-resistant seal ring and the second wear-resistant seal ring that end face offsets, the first wear-resistant seal ring is contained on the interior step of stationary seat, the second wear-resistant seal ring is contained on the interior step of rotation outer tube, is provided with the elastic compensating device of the first wear-resistant seal ring and the second wear-resistant seal ring between tail-hood and housing.
Described elastic compensating device comprises the spring positioning plate that is socketed in outside the stationary seat, and the spring positioning plate is provided with the plurality of elastic straight pin, and stationary seat one end face is provided with some counterbalance springs that are against on the stationary seat.Outside stationary seat, be socketed with the O type circle and the tetrafluoro packing ring that are used to seal.On the rotation outer tube of hull outside, be socketed with the 2nd O type circle.
The utility model is simple and reasonable for structure, easy to installation and maintenance; Combined shell is easy to manufacture, and assembling is simple, and cost reduces; Adopt the balanced type plane sealing, working speed is high more, and sealing surface surface friction drag is more little; Outer tube is supported on two high-speed bearings, guaranteed coaxality, has reached steadily, high pressure, effect at a high speed; Seal ring has adopted extremely wear-resisting high-hardness tungsten carbide, has prolonged working life greatly.
Description of drawings
Fig. 1 is an overall structure schematic representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in the figure: high pressure of the present utility model, high-rotation speed rotary connector mainly are made up of with back-up ring 18, rotation outer tube 19, the 2nd O type circle 20 and the second wear-resistant seal ring 21 etc. tail-hood 1, an O type circle 2, tetrafluoro packing ring 3, stationary seat 4, spring positioning plate 5, counterbalance spring 6, set screw 7, elastic cylindrical pin 8, the first wear-resistant seal ring 9, housing 10, oil nozzle 11, wavy spring pad 12, plain washer 13, shaft block ring 14, inner bearing 15, spacer 16, outer bearing 17, hole.
The utility model is connected with tail-hood 1 in axial hollow housing 10 1 ends, offer feed pathway in the tail-hood 1, be rotatably connected to rotation outer tube 19 in the axial bore of housing 10, offer liquid outlet channel in the rotation outer tube 19, stretch into and be socketed with the inner bearing 15 and outer bearing 17 that is provided with at interval on rotation outer tube 19 outer walls in the housing 10, on housing 10, be provided with oil nozzle 11, rotation outer tube 19 is rotatably connected in the housing 10 by inner bearing 15 and outer bearing 17, be provided with the spacer 16 that is socketed on the rotation outer tube 19 between inner bearing 15 and outer bearing 17 sidewalls, housing 10 inwalls in outer bearing 17 outsides are provided with hole back-up ring 18, rotation outer tube 19 inner ends are provided with shaft block ring 14, on shaft block ring 14, be socketed with wavy spring pad 12, between wavy spring pad 12 and inner bearing 15 madial walls, be provided with plain washer 13, in tail-hood 1, be provided with stationary seat 4 in axial sliding, offer transition passage in the stationary seat 4, the inner end of stationary seat 4 is provided with at interval with rotation outer tube 19 inner ends, and between the inner end of stationary seat 4 and rotation outer tube 19, be provided with the first wear-resistant seal ring 9 and the second wear-resistant seal ring 24 that end face offsets, the first wear-resistant seal ring 9 is installed on the interior step of stationary seat 4, the second wear-resistant seal ring 24 is installed on the interior step of rotation outer tube 19, the opposing end surface of the first wear-resistant seal ring 9 and the second wear-resistant seal ring 21 offsets, and is provided with the elastic compensating device of the first wear-resistant seal ring 9 and the second wear-resistant seal ring 21 between tail-hood 1 and housing 10.
Described elastic compensating device comprises the spring positioning plate 5 that is socketed in outside the stationary seat 4, and spring positioning plate 5 is provided with plurality of elastic straight pin 8, and stationary seat 4 one end faces are provided with some counterbalance springs 6 that are against on the stationary seat 4.Outside stationary seat 4, be socketed with an O type circle 2 and tetrafluoro packing ring 3 that is used to seal.On the rotation outer tube 19 in housing 10 outsides, be socketed with the 2nd O type circle 20.
During work, fluid flows to liquid outlet channel by the endoporus of feed pathway, transition passage, the first wear-resistant seal ring 9 and the second wear-resistant seal ring 21, under the high speed rotating of rotation outer tube 19, the right side high speed rotating of the first wear-resistant seal ring 9 is being pasted in the left side that rotation outer tube 19 drives the second wear-resistant seal ring 21, contacts end face by the first wear-resistant seal ring 9 with the second wear-resistant seal ring 21 and prevents escape of liquid.When wear and tear to some extent in the right side of pasting the first wear-resistant seal ring 9 when the left side of the second wear-resistant seal ring 21, the elastic force of the counterbalance spring 6 on the spring positioning plate 5 promotes stationary seat 4 and slides to the right, the left side of the second wear-resistant seal the ring 21 thereby right side that promotes the first wear-resistant seal ring 9 tightly reclines makes the first wear-resistant seal ring 9 and the second wear-resistant seal ring 21 keep the better seal state constantly.
When the right side of the first wear-resistant seal ring 9, the left side serious wear of the second wear-resistant seal ring 21, under the elastic force effect of counterbalance spring 6, can't make tightly the recline left side of the second wear-resistant seal ring 21, the right side of the wear-resistant seal ring 9 of winning, must take this device this moment apart, take off the first wear-resistant seal ring 9 and the second wear-resistant seal ring 21, replace with the first new wear-resistant seal ring 9 and the second wear-resistant seal ring 21 and get final product.
Claims (4)
1, a kind of high pressure, high-rotation speed rotary connector, be included in axial hollow housing (10) one ends and be connected with tail-hood (1), tail-hood offers feed pathway in (1), be rotatably connected to rotation outer tube (19) in the axial bore of housing (10), offer liquid outlet channel in the rotation outer tube (19), stretch into and be socketed with the inner bearing (15) and outer bearing (17) that is provided with at interval on rotation outer tube (19) outer wall in the housing (10), on housing (10), be provided with oil nozzle (11), rotation outer tube (19) is rotatably connected in the housing (10) by inner bearing (15) and outer bearing (18), be provided with the spacer (16) that is socketed on the rotation outer tube (19) between inner bearing (15) and outer bearing (17) sidewall, housing (10) inwall in outer bearing (17) outside is provided with hole back-up ring (18), rotation outer tube (19) inner end is provided with shaft block ring (14), on shaft block ring (14), be socketed with wavy spring pad (12), between wavy spring pad (12) and inner bearing (15) madial wall, be provided with plain washer (13), it is characterized in that: in tail-hood (1), be provided with stationary seat (4) in axial sliding, stationary seat offers transition passage in (4), the inner end of stationary seat (4) is provided with at interval with rotation outer tube (19) inner end, and between the inner end of stationary seat (4) and rotation outer tube (19), be provided with the first wear-resistant seal ring (9) and the second wear-resistant seal ring (24) that end face offsets, the first wear-resistant seal ring (9) is contained on the interior step of stationary seat (4), the second wear-resistant seal ring (24) is contained on the interior step of rotation outer tube (19), the first wear-resistant seal ring (9) offsets with the opposing end surface of the second wear-resistant seal ring (21), is provided with the elastic compensating device of the first wear-resistant seal ring (9) and the second wear-resistant seal ring (21) between tail-hood (1) and housing (10).
2, high pressure as claimed in claim 1, high-rotation speed rotary connector, it is characterized in that: described elastic compensating device comprises the spring positioning plate (5) that is socketed in outside the stationary seat (4), spring positioning plate (5) is provided with plurality of elastic straight pin (8), and stationary seat (4) one end faces are provided with some counterbalance springs (6) that are against on the stationary seat (4).
3, high pressure as claimed in claim 1 or 2, high-rotation speed rotary connector is characterized in that: the outer O type circle (2) and tetrafluoro packing ring (3) that is used to seal that be socketed with of described stationary seat (4).
4, high pressure as claimed in claim 1 or 2, high-rotation speed rotary connector is characterized in that: be socketed with the 2nd O type circle (20) on the rotation outer tube (19) in described housing (10) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201613578U CN201302017Y (en) | 2008-10-31 | 2008-10-31 | High-pressure and high-speed rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201613578U CN201302017Y (en) | 2008-10-31 | 2008-10-31 | High-pressure and high-speed rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201302017Y true CN201302017Y (en) | 2009-09-02 |
Family
ID=41085643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201613578U Expired - Lifetime CN201302017Y (en) | 2008-10-31 | 2008-10-31 | High-pressure and high-speed rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201302017Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006243A (en) * | 2014-05-23 | 2014-08-27 | 江苏腾旋科技股份有限公司 | High-temperature high-speed rotary connector |
| CN111531777A (en) * | 2020-05-07 | 2020-08-14 | 叶宁 | Manufacturing and processing method of heat preservation layer of heat preservation pipe |
-
2008
- 2008-10-31 CN CNU2008201613578U patent/CN201302017Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006243A (en) * | 2014-05-23 | 2014-08-27 | 江苏腾旋科技股份有限公司 | High-temperature high-speed rotary connector |
| CN104006243B (en) * | 2014-05-23 | 2016-03-23 | 江苏腾旋科技股份有限公司 | A kind of high-temperature high-speed rotary joint |
| CN111531777A (en) * | 2020-05-07 | 2020-08-14 | 叶宁 | Manufacturing and processing method of heat preservation layer of heat preservation pipe |
| CN111531777B (en) * | 2020-05-07 | 2021-12-07 | 山东聚能管业有限公司 | Manufacturing and processing method of heat preservation layer of heat preservation pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090902 Effective date of abandoning: 20081031 |