CN204573052U - The multiple labyrinth seal device of a kind of split type S type - Google Patents
The multiple labyrinth seal device of a kind of split type S type Download PDFInfo
- Publication number
- CN204573052U CN204573052U CN201520221092.6U CN201520221092U CN204573052U CN 204573052 U CN204573052 U CN 204573052U CN 201520221092 U CN201520221092 U CN 201520221092U CN 204573052 U CN204573052 U CN 204573052U
- Authority
- CN
- China
- Prior art keywords
- ring
- rotating ring
- protruding
- stationary ring
- stationary
- 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
Abstract
The utility model provides the multiple labyrinth seal device of a kind of split type S type, at least comprise stationary ring and cover on the rotating shaft and the rotating ring rotated with the axis, on described rotating ring and stationary ring with grease channel, the surface that grease channel isolation and sewage routeway contact is provided with the rectangular preiection in comb teeth-shaped, wherein be positioned on stationary ring for protruding A, be positioned on rotating ring for protruding B, the protruding A and the protruding B that are arranged in arbitrary passage are staggered interspersed, common Formation cross-section is the gap of rectangular toothed, and the quantity of protruding A in arbitrary passage and protruding B is all no less than 2, described stationary ring and rotating ring are split type structure, both by its diametric(al) by two, left and right semi-ring identical sized by subdivision.The utility model can either prevent the oil leakage in Seal cage, stops extraneous pollutant to enter Seal cage, solves again the shortcoming that seal ring is easy to wear, assembling is difficult simultaneously.
Description
Technical field
The utility model provides running shaft bearing housing or gear box lubricating oil labyrinth gland in a kind of machinery, belongs to seal arrangement technical field.
Background technique
Labyrinth seal is the belt sealing tooth establishing several to be arranged in order around rotatingshaft, forms a series of gap and expansion cavity of damming between tooth and tooth, and sealed medium produces throttle effect when the gap by tortuous labyrinth and reaches the device of the object of Drain Resistance.Owing to there is gap between the rotor of labyrinth seal and casing, without solid contact, and allowed thermal expansion, therefore adapt to the occasion of high temperature, high pressure, high speed-frequency, this seal form is widely used in steam turbine, gas turbine, compressor, the axle head of blower and the sealing of each inter-stage.In the occasion that some usage requirements are stricter, seal arrangement not only will reach the zero leakage of lubricant oil in Seal cage in use, but also the object preventing extraneous pollutant from entering Seal cage inside will be reached, in addition, also there is higher requirement in working life for Sealing, therefore, provides a kind of sealability very excellent, and the seal arrangement of long perfomance life, becomes related domain problem demanding prompt solution.
Patent " 201420599944.0 " provides the multiple labyrinth seal device of a kind of S type, solve above-mentioned deficiency, this device can either prevent the oil leakage in Seal cage, and extraneous pollutant can be stoped again to enter Seal cage simultaneously, its long service life, and applicability is wide.But in Long-Time Service, we find that it still has some problems.First be that therefore in Long-Time Service, it is easily frayed, and also brings inconvenience to preparation, assembling because seal ring is made up of rubber ring and the rectangular preiection in comb teeth-shaped be fixed on rubber ring.If rectangular preiection and stationary ring and rotating ring are made of one formula structure, due to the existence of rectangular preiection, together with causing rotating ring cannot being assembled into stationary ring.
Summary of the invention
The utility model provides the multiple labyrinth seal device of a kind of split type S type, solve the deficiency in background technique, this device can either prevent the oil leakage in Seal cage, stops extraneous pollutant to enter Seal cage, solves again the shortcoming that seal ring is easy to wear, assembling is difficult simultaneously.
Realizing the technological scheme that the utility model above-mentioned purpose adopts is:
The multiple labyrinth seal device of a kind of split type S type, at least comprise stationary ring and cover on the rotating shaft and the rotating ring rotated with the axis, stationary ring is fixedly mounted on equipment end and covers, described stationary ring and rotating ring are two-layer stratigraphic structure, rotating ring and buckle interlaced with stationary ring is connected, between stationary ring and rotating ring, common Formation cross-section is the passage of S shape, described passage has been disposed radially three layers, be respectively grease channel from the inside to the outside, grease channel isolation and sewage routeway, wherein Seal cage is led in one end of grease channel, the external world is led in one end of sewage routeway, bottom it, the oil-return groove that one leads to Seal cage is provided with vertically in described grease channel, enter lubricant oil in grease channel under gravity, Seal cage is flowed back to by oil-return groove, bottom it, be provided with one in described sewage routeway vertically lead to extraneous dump tank, enter sewage in sewage routeway under gravity, enter the external world by dump tank, isolation fat is filled with in described grease channel isolation,
Described rotating ring and stationary ring are provided with on the surface contacted with grease channel, grease channel isolation and sewage routeway the rectangular preiection in comb teeth-shaped, wherein be positioned on stationary ring for protruding A, protruding A and stationary ring are integral type structure, be positioned on rotating ring for protruding B, protruding B and rotating ring are integral type structure, the protruding A and the protruding B that are arranged in arbitrary passage are staggered interspersed, common Formation cross-section is the gap of rectangular toothed, and the quantity of protruding A in arbitrary passage and protruding B is all no less than 2;
Described stationary ring and rotating ring are split type structure, both by its diametric(al) by two, left and right semi-ring identical sized by subdivision, be respectively left stationary ring, right stationary ring, left rotating ring and right rotating ring, left stationary ring, right stationary ring, left rotating ring and right rotating ring are provided with the corresponding tapped hole in position at its split surface place, and left stationary ring, right stationary ring, left rotating ring and right rotating ring are provided with the counter sink matched with tapped hole, in counter sink and tapped hole, fixing bolt is installed, by fixing bolt by left stationary ring and right stationary ring, and left rotating ring and right rotating ring fix.
One end adjacent with the external world in rotating ring is provided with locking ring, described locking ring is split type structure, by its diametric(al) by two, left and right semi-ring identical sized by subdivision, be respectively left locking ring, right locking ring, left locking ring, right locking ring are provided with the corresponding tapped hole in position at its split surface place, and left locking ring, right locking ring are provided with the counter sink matched with tapped hole, in counter sink and tapped hole, fixing bolt is installed, by fixing bolt, left locking ring, right locking ring are fixed, make it lock rotating ring.
The inwall of described rotating ring is provided with seal groove, is provided with O-ring seals A in described seal groove, described O-ring seals A contacts with rotatingshaft, and is fixed on by rotating ring on rotatingshaft and can rotates with the axis.
The outer wall of described stationary ring is provided with seal groove, is provided with O-ring seals B in described seal groove, described O-ring seals B contacts with equipment end cap, and stationary ring is fixed on equipment end covers.
The multiple labyrinth seal device of split type S type provided by the utility model has the following advantages: owing to being provided with the passage of S shape between stationary ring and rotating ring, be respectively grease channel, grease channel isolation and sewage routeway, the rectangular preiection in comb teeth-shaped is provided with in above-mentioned passage, the protruding A and the protruding B that are arranged in arbitrary passage are staggered interspersed, and common Formation cross-section is the gap of rectangular toothed.In use, protruding B rotates along with the rotation of rotating ring, stationary ring transfixion, therefore protruding A and protruding B can relative rotations, the lubricant oil entered in Seal cage in grease channel is thrown toward in oil storage tank under the influence of centrifugal force, then under gravity, also Seal cage can be flowed back to by oil-return groove, therefore, it is possible to prevent oil leakage completely.Equally, the sewage entered in sewage routeway by the external world is thrown toward in sewage groove under the influence of centrifugal force, lead to extraneous dump tank owing to being provided with one in sewage routeway bottom it vertically, the sewage therefore entered in sewage routeway under gravity, can enter the external world by dump tank.Be filled with isolation fat in described grease channel isolation, isolation fat can come thoroughly isolated between grease channel and sewage routeway, guarantees the perfectly safe of sealing effect.
The split type S type multiple labyrinth seal device long service life that the utility model provides, because protruding B and rotating ring are integral type structure, protruding A and stationary ring are integral type structure, and therefore wear resistance is good, long service life.Meanwhile, because the rotating ring in the application, stationary ring and locking ring are split type structure, be therefore convenient to produce, install.
Accompanying drawing explanation
The overall structure schematic diagram of the multiple labyrinth seal device of split type S type that Fig. 1 provides for the utility model;
Fig. 2 is the A-A direction view of Fig. 1;
In figure: 1-stationary ring, protruding A, the 3-tapped hole of 2-, 4-counter sink, 5-rotating ring, protruding B, the 7-fixing bolt of 6-, 8-grease channel, 9-grease channel isolation, 10-sewage routeway, 11-oil-return groove, 12-dump tank, 13-locking ring, 14-O shape seal ring A, 15-O shape seal ring B.
Embodiment
Below in conjunction with drawings and the specific embodiments, detailed specific description is done to the utility model, but protection domain of the present utility model is not limited to following examples.
The structure of the multiple labyrinth seal device of split type S type that the utility model provides as depicted in figs. 1 and 2, at least comprise stationary ring and cover on the rotating shaft and the rotating ring rotated with the axis, stationary ring is mounted by means of bolts on equipment end and covers, described stationary ring 1 is two-layer stratigraphic structure, the connecting ring of radial direction comprising outer stationary ring, interior stationary ring and outer stationary ring and interior stationary ring are fixed, three is integral type structure, and described connecting ring is positioned on outer stationary ring and stationary ring near extraneous side.The outer wall of described stationary ring is provided with seal groove, is provided with O-ring seals B15 in described seal groove, described O-ring seals B15 contacts with equipment end cap, and stationary ring is fixed on equipment end covers.
Described rotating ring 5 is two-layer stratigraphic structure, the connecting ring of radial direction comprising outer rotating ring, interior rotating ring and outer rotating ring and interior rotating ring are fixed, and three is integral type structure, and described connecting ring is positioned at the side near Seal cage on outer rotating ring and rotating ring; The inwall of described rotating ring 5 is provided with seal groove, is provided with O-ring seals A14 in described seal groove, described O-ring seals A contacts with rotatingshaft, and is fixed on by rotating ring on rotatingshaft and can rotates with the axis.
Described rotating ring 5 and buckle interlaced with stationary ring 1 is connected, its China and foreign countries' rotating ring is between outer stationary ring and interior stationary ring, interior stationary ring is between outer rotating ring and interior rotating ring, between stationary ring and rotating ring, common Formation cross-section is the passage of S shape, described passage has been disposed radially three layers, be respectively grease channel 8, grease channel isolation 9 and sewage routeway 10 from the inside to the outside, wherein Seal cage is led in one end of grease channel 8, and the external world is led in one end of sewage routeway 10.
Described rotating ring 5 and stationary ring 1 are provided with on the surface contacted with grease channel 8, grease channel isolation 9 and sewage routeway 10 rectangular preiection in comb teeth-shaped, wherein be positioned on stationary ring for protruding A2, protruding A2 and stationary ring 1 are integral type structure, be positioned on rotating ring for protruding B6, protruding B6 and rotating ring 5 are integral type structure, the protruding A2 and the protruding B6 that are arranged in arbitrary passage are staggered interspersed, common Formation cross-section is the gap of rectangular toothed, and the quantity of protruding A in arbitrary passage and protruding B is all no less than 2.
Bottom it, be provided with the oil-return groove 11 that leads to Seal cage in described grease channel 8 vertically, enter lubricant oil in grease channel under gravity, flow back to Seal cage by oil-return groove; Bottom it, be provided with one in described sewage routeway 10 vertically lead to extraneous dump tank 12, enter sewage in sewage routeway under gravity, enter the external world by dump tank; Isolation fat is filled with in described grease channel isolation.
Described stationary ring 1 and rotating ring 2 are split type structure, both by its diametric(al) by two, left and right semi-ring identical sized by subdivision, be respectively left stationary ring, right stationary ring, left rotating ring and right rotating ring, left stationary ring, right stationary ring, left rotating ring and right rotating ring are provided with the corresponding tapped hole in position 3 at its split surface place, and left stationary ring, right stationary ring, left rotating ring and right rotating ring are provided with the counter sink 4 matched with tapped hole, in counter sink 4 and tapped hole 3, fixing bolt 7 is installed, by fixing bolt 7 by left stationary ring and right stationary ring, and left rotating ring and right rotating ring fix.
One end adjacent with the external world in rotating ring 5 is provided with locking ring 13, described locking ring 13 is split type structure, by its diametric(al) by two, left and right semi-ring identical sized by subdivision, be respectively left locking ring, right locking ring, left locking ring, right locking ring are provided with the corresponding tapped hole in position 3 at its split surface place, and left locking ring, right locking ring are provided with the counter sink 4 matched with tapped hole 3, in counter sink 4 and tapped hole 3, fixing bolt 7 is installed, by fixing bolt 7, left locking ring, right locking ring are fixed, make it lock rotating ring.
Claims (4)
1. the multiple labyrinth seal device of split type S type, at least comprise stationary ring and cover on the rotating shaft and the rotating ring rotated with the axis, stationary ring is fixedly mounted on equipment end and covers, described stationary ring and rotating ring are two-layer stratigraphic structure, rotating ring and buckle interlaced with stationary ring is connected, between stationary ring and rotating ring, common Formation cross-section is the passage of S shape, described passage has been disposed radially three layers, be respectively grease channel from the inside to the outside, grease channel isolation and sewage routeway, wherein Seal cage is led in one end of grease channel, the external world is led in one end of sewage routeway, bottom it, the oil-return groove that one leads to Seal cage is provided with vertically in described grease channel, enter lubricant oil in grease channel under gravity, Seal cage is flowed back to by oil-return groove, bottom it, be provided with one in described sewage routeway vertically lead to extraneous dump tank, enter sewage in sewage routeway under gravity, enter the external world by dump tank, isolation fat is filled with in described grease channel isolation,
It is characterized in that: described rotating ring and stationary ring are provided with on the surface contacted with grease channel, grease channel isolation and sewage routeway the rectangular preiection in comb teeth-shaped, wherein be positioned on stationary ring for protruding A, protruding A and stationary ring are integral type structure, be positioned on rotating ring for protruding B, protruding B and rotating ring are integral type structure, the protruding A and the protruding B that are arranged in arbitrary passage are staggered interspersed, common Formation cross-section is the gap of rectangular toothed, and the quantity of protruding A in arbitrary passage and protruding B is all no less than 2;
Described stationary ring and rotating ring are split type structure, both by its diametric(al) by two, left and right semi-ring identical sized by subdivision, be respectively left stationary ring, right stationary ring, left rotating ring and right rotating ring, left stationary ring, right stationary ring, left rotating ring and right rotating ring are provided with the corresponding tapped hole in position at its split surface place, and left stationary ring, right stationary ring, left rotating ring and right rotating ring are provided with the counter sink matched with tapped hole, in counter sink and tapped hole, fixing bolt is installed, by fixing bolt by left stationary ring and right stationary ring, and left rotating ring and right rotating ring fix.
2. the multiple labyrinth seal device of split type S type according to claim 1, it is characterized in that: one end adjacent with the external world in rotating ring is provided with locking ring, described locking ring is split type structure, by its diametric(al) by two, left and right semi-ring identical sized by subdivision, be respectively left locking ring, right locking ring, left locking ring, right locking ring is provided with the corresponding tapped hole in position at its split surface place, and left locking ring, right locking ring is provided with the counter sink matched with tapped hole, in counter sink and tapped hole, fixing bolt is installed, by fixing bolt by left locking ring, right locking ring fixes, it is made to lock rotating ring.
3. the multiple labyrinth seal device of split type S type according to claim 1, it is characterized in that: the inwall of described rotating ring is provided with seal groove, O-ring seals A is provided with in described seal groove, described O-ring seals A contacts with rotatingshaft, and is fixed on by rotating ring on rotatingshaft and can rotates with the axis.
4. the multiple labyrinth seal device of split type S type according to claim 1, it is characterized in that: the outer wall of described stationary ring is provided with seal groove, be provided with O-ring seals B in described seal groove, described O-ring seals B contacts with equipment end cap, and stationary ring is fixed on equipment end covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520221092.6U CN204573052U (en) | 2015-04-14 | 2015-04-14 | The multiple labyrinth seal device of a kind of split type S type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520221092.6U CN204573052U (en) | 2015-04-14 | 2015-04-14 | The multiple labyrinth seal device of a kind of split type S type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204573052U true CN204573052U (en) | 2015-08-19 |
Family
ID=53865693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520221092.6U Active CN204573052U (en) | 2015-04-14 | 2015-04-14 | The multiple labyrinth seal device of a kind of split type S type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204573052U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605229A (en) * | 2016-02-29 | 2016-05-25 | 邓伦胜 | Gas-liquid isolating device |
| CN106898994A (en) * | 2017-03-16 | 2017-06-27 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of sealing device for directly entering cabin for dry and wet conversion cabin cable |
| CN108506214A (en) * | 2018-06-04 | 2018-09-07 | 西安交通大学 | A kind of shaft seal structure of helical-lobe compressor |
-
2015
- 2015-04-14 CN CN201520221092.6U patent/CN204573052U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605229A (en) * | 2016-02-29 | 2016-05-25 | 邓伦胜 | Gas-liquid isolating device |
| CN106898994A (en) * | 2017-03-16 | 2017-06-27 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of sealing device for directly entering cabin for dry and wet conversion cabin cable |
| CN108506214A (en) * | 2018-06-04 | 2018-09-07 | 西安交通大学 | A kind of shaft seal structure of helical-lobe compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204573052U (en) | The multiple labyrinth seal device of a kind of split type S type | |
| CN204201083U (en) | Revolution lip labyrinth gland | |
| CN204201100U (en) | A kind of assembly type revolution lip labyrinth gland | |
| CN103925373B (en) | A kind of mazy type shuts down bilateral sealing device | |
| CN104832653B (en) | Sealing device for high-speed rotating shaft | |
| CN205383266U (en) | Dredge tooth sealing device | |
| CN104315150A (en) | Rotary lip labyrinth sealing device | |
| CN204201092U (en) | A kind of bi-directional combination ring gear seal arrangement | |
| CN204201093U (en) | A kind of two-way slide ring seal | |
| CN205371626U (en) | Two subdivision formula sealing device | |
| CN205173472U (en) | Independently arrange multiple broach sealing device of fat formula S type | |
| CN204201090U (en) | The multiple labyrinth seal device of S type | |
| CN103363071A (en) | Sealing structure for wind power gear box planetary-stage lubrication | |
| CN205013689U (en) | Modular two -way multiple sealing device | |
| CN204921994U (en) | Sealing device is kept apart to combination formula based on dust lip | |
| CN208619674U (en) | Water conservancy diversion sealing device is isolated | |
| CN104329467A (en) | S-shaped multiple labyrinth seal device | |
| CN205013690U (en) | Two way seal isolating device | |
| CN204213351U (en) | A kind of assembly type revolution labyrinth seal | |
| CN205089981U (en) | Independently arrange two -way multiple sealing device of fat formula | |
| CN208719355U (en) | A kind of water proof type oil-sealing arrangement | |
| CN104329468B (en) | A kind of two-way floating sealing device | |
| CN207906413U (en) | A kind of combined labyrinth and carbon gland end cap device of gear-box input or output shaft | |
| CN204213350U (en) | A kind of two-way hybrid type labyrinth gland | |
| CN204213347U (en) | The export-oriented hybrid type labyrinth gland of a kind of assembling type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171130 Address after: 435300 Qichun County, Hubei Province, Chek Tung Village, Chek Tung town, Qichun County Patentee after: New Polytron Technologies Inc in Hubei Address before: 435300 Dongfang garden, Cao he Town, Qichun County, Huanggang, Hubei Province, 5A-1-1301 Patentee before: Deng Lunsheng |
|
| TR01 | Transfer of patent right |