CN205089971U - Independently arrange fat formula mixed type labyrinth seals device - Google Patents
Independently arrange fat formula mixed type labyrinth seals device Download PDFInfo
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- CN205089971U CN205089971U CN201520807866.3U CN201520807866U CN205089971U CN 205089971 U CN205089971 U CN 205089971U CN 201520807866 U CN201520807866 U CN 201520807866U CN 205089971 U CN205089971 U CN 205089971U
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Abstract
The utility model provides an independently arrange fat formula mixed type labyrinth seals device, just follow the rotating ring of the rotation of axes including quiet ring and cover in the axis of rotation, quiet ring sum rotating ring be the two -layer equation structure, rotating ring and quiet ring crisscross and buckle are each other connected, form the passageway that the cross -section is the S -shaped between the quiet ring sum rotating ring jointly, the passageway along radially being provided with the three -layer, from interior to exterior is lubricating oil passageway, oil isolation passageway and sewage passageway respectively, be equipped with sealed ring gear A on outer rotating ring and the interior rotating ring, outer quiet ring is equipped with sealed ring gear B in and on the quiet ring, and sealed ring gear A and sealed ring gear B be crisscross the interlude each other, is formed with the cross -section jointly and is wavy clearance. Be provided with on the sealed ring gear A along radial evenly distributed's the oil groove of scraping, the bottom of quiet ring is provided with row fat hole groove, the both ends of arranging fat hole groove communicate with external with the lubricating oil passageway respectively. The utility model discloses can enough realize independently arranging the function of fat, can prevent external pollutant to get into sealed chamber simultaneously again.
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.But under some specific operating mode, the lubricant grease in Seal cage is that new and old circulation is carried out in requirement, and this just requires in usual operation process, and grease aging in Seal cage can be discharged by seal arrangement, thus provide space for new grease adds.Especially, in large-diameter equipment, adopt during grease lubrication and be difficult to realize grease timely replacement, therefore the mode of regular grease up must be adopted, degras is extruded.But, the current seal arrangement great majority directly row's of setting fat hole on stationary ring, but due to while discharge grease, extraneous dirt also can enter Seal cage by row fat hole, therefore, in use there is inconvenience.
Summary of the invention
The utility model provides a kind of autonomous row's fat formula hybrid type labyrinth gland, solve the deficiency in background technique, this device can either realize the function of independently arranging fat, and extraneous pollutant can be stoped again to enter Seal cage simultaneously, its long service life, and applicability is wide.
Realizing the technological scheme that the utility model above-mentioned purpose adopts is:
A kind of autonomous row's fat formula hybrid type labyrinth gland, 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 is two-layer stratigraphic structure, the connecting ring A 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 A is positioned on outer stationary ring and stationary ring near extraneous side;
Described rotating ring is two-layer stratigraphic structure, the connecting ring B 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 B is positioned at the side near Seal cage on outer rotating ring and rotating ring; Described rotating ring and buckle interlaced with stationary ring 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, and be respectively grease channel, grease channel isolation and sewage routeway from the inside to the outside, wherein Seal cage is led in one end of grease channel, the external world is led in one end of sewage routeway, is filled with isolation fat in described grease channel isolation;
The position that described outer rotating ring, interior rotating ring, outer stationary ring and interior stationary ring contact with grease channel, grease channel isolation and sewage routeway is provided with in cross section the sealing ring gear of the projection being comb teeth-shaped, wherein being positioned at, outer rotating ring and rotating ring be sealing ring gear A, being positioned at, outer stationary ring and stationary ring be sealing ring gear B, sealing ring gear A interts with sealing ring gear B is interlaced, and being jointly formed with cross section is wavy gap;
The sealing ring gear A being arranged in grease channel is provided with radially equally distributed wiper groove, the bottom of stationary ring is provided with row's fat hole slot, the two ends of described row's fat hole slot are communicated with the external world with grease channel respectively, grease in Seal cage enters grease channel by the gap location between outer rotating ring and outer stationary ring, grease in grease channel, under the effect of centrifugal force and gravity, flows to extraneous through row's fat hole slot.
Outer stationary ring is disposed radially the positioning step of a circle towards outer lug, described positioning step is positioned near extraneous side, positioning step is provided with axial bolt hole, and positioning step is installed fixing by bolt and equipment end cap.
The below of row's fat hole slot is provided with oil box, and oil box is installed on equipment end and covers, for collecting the waste grease of discharging from row's fat hole slot.
Autonomous row's fat formula hybrid type labyrinth gland 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, sealing ring gear is provided with in above-mentioned passage, two sealing ring gears are staggered to be interted, common Formation cross-section is wavy gap, in use, the sealing ring gear A be wherein fixed on rotating ring rotates along with the rotation of rotating ring, stationary ring transfixion, therefore two sealing ring gears can rotate relatively, after lubricant oil in Seal cage enters grease channel, due to sealing ring gear A being herein provided with wiper groove, therefore grease is blown in wiper groove by the sealing ring gear A rotated and also rotates thereupon, be subject to the effect of centrifugal force, grease is got rid of in the oil storage tank of the sealing ring gear B formation on stationary ring, then grease at the flows by action of himself gravity to bottom, flow to extraneous again via the row's fat hole slot arranged bottom stationary ring, reach the object of autonomous row's fat.
Equally, the sewage entered in sewage routeway by the external world is thrown toward in sewage groove under the influence of centrifugal force, and is discharged to the external world.Be filled with isolation fat in described grease channel isolation, seal gease can come thoroughly isolated between grease channel and sewage routeway, guarantees that dirt can not enter in Seal cage.
Accompanying drawing explanation
The overall structure schematic diagram of autonomous row's fat formula hybrid type labyrinth gland that Fig. 1 provides for the utility model;
In figure: the outer stationary ring of 1-, stationary ring in 2-, 3-connecting ring A, 4-positioning step, the outer rotating ring of 5-, rotating ring in 6-, 7-connecting ring B, 8-grease channel, 9-grease channel isolation, 10-sewage routeway, 11-arranges fat hole slot, 12-wiper groove, and 13-seals ring gear A, and 14-seals ring gear B, 15-oil box.
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 autonomous row's fat formula hybrid type labyrinth gland that the utility model provides as shown in Figure 1, 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 is two-layer stratigraphic structure, the connecting ring A3 of radial direction comprising outer stationary ring 1, interior stationary ring 2 and outer stationary ring 1 and interior stationary ring 2 are fixed, three is integral type structure, and described connecting ring A3 is positioned on outer stationary ring 1 and stationary ring 2 near extraneous side.Outer stationary ring 1 is disposed radially the positioning step 4 of a circle towards outer lug, described positioning step 4 is positioned near extraneous side, and positioning step 4 is provided with axial bolt hole, and positioning step 4 is installed fixing by bolt and equipment end cap.
Described rotating ring is two-layer stratigraphic structure, the connecting ring B7 of radial direction comprising outer rotating ring 5, interior rotating ring 6 and outer rotating ring 5 and interior rotating ring 6 are fixed, and three is integral type structure, and described connecting ring B7 is positioned at the side near Seal cage on outer rotating ring 5 and rotating ring 6.
Described rotating ring and buckle interlaced with stationary ring is connected, its China and foreign countries' rotating ring 5 is between outer stationary ring 1 and interior stationary ring 2, interior stationary ring 2 is between outer rotating ring 5 and interior rotating ring 6, 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, the external world is led in one end of sewage routeway 10, is filled with isolation fat in described grease channel isolation.
The position that described outer rotating ring, interior rotating ring, outer stationary ring and interior stationary ring contact with grease channel, grease channel isolation and sewage routeway is provided with in cross section the sealing ring gear of the projection being comb teeth-shaped, wherein being positioned at, outer rotating ring and rotating ring be sealing ring gear A13, being positioned at, outer stationary ring and stationary ring be sealing ring gear B14, sealing ring gear A13 interts with sealing ring gear B14 is interlaced, and being jointly formed with cross section is wavy gap.
The sealing ring gear A13 being arranged in grease channel is provided with radially equally distributed wiper groove 12, the bottom of stationary ring is provided with row's fat hole slot 11, the two ends of described row's fat hole slot 11 are communicated with the external world with grease channel 8 respectively, grease in Seal cage enters grease channel 8 by the gap location between outer rotating ring and outer stationary ring, grease in grease channel 8, under the effect of centrifugal force and gravity, flows to the external world through row's fat hole slot 11.
The below of row's fat hole slot 11 is provided with oil box 15, and oil box 15 is installed on equipment end and covers, for collecting the waste grease of discharging from row's fat hole slot.
Claims (3)
1. independently arrange fat formula hybrid type labyrinth gland for one kind, 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, it is characterized in that: described stationary ring is two-layer stratigraphic structure, the connecting ring A 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 A is positioned on outer stationary ring and stationary ring near extraneous side;
Described rotating ring is two-layer stratigraphic structure, the connecting ring B 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 B is positioned at the side near Seal cage on outer rotating ring and rotating ring; Described rotating ring and buckle interlaced with stationary ring 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, and be respectively grease channel, grease channel isolation and sewage routeway from the inside to the outside, wherein Seal cage is led in one end of grease channel, the external world is led in one end of sewage routeway, is filled with isolation fat in described grease channel isolation;
The position that described outer rotating ring, interior rotating ring, outer stationary ring and interior stationary ring contact with grease channel, grease channel isolation and sewage routeway is provided with in cross section the sealing ring gear of the projection being comb teeth-shaped, wherein being positioned at, outer rotating ring and rotating ring be sealing ring gear A, being positioned at, outer stationary ring and stationary ring be sealing ring gear B, sealing ring gear A interts with sealing ring gear B is interlaced, and being jointly formed with cross section is wavy gap;
The sealing ring gear A being arranged in grease channel is provided with radially equally distributed wiper groove, the bottom of stationary ring is provided with row's fat hole slot, the two ends of described row's fat hole slot are communicated with the external world with grease channel respectively, grease in Seal cage enters grease channel by the gap location between outer rotating ring and outer stationary ring, grease in grease channel, under the effect of centrifugal force and gravity, flows to extraneous through row's fat hole slot.
2. autonomous row's fat formula hybrid type labyrinth gland according to claim 1, it is characterized in that: outer stationary ring is disposed radially the positioning step of a circle towards outer lug, described positioning step is positioned near extraneous side, positioning step is provided with axial bolt hole, positioning step is installed fixing by bolt and equipment end cap.
3. autonomous row's fat formula hybrid type labyrinth gland according to claim 1, is characterized in that: the below of row's fat hole slot is provided with oil box, and oil box is installed on equipment end and covers, for collecting the waste grease of discharging from row's fat hole slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807866.3U CN205089971U (en) | 2015-10-16 | 2015-10-16 | Independently arrange fat formula mixed type labyrinth seals device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807866.3U CN205089971U (en) | 2015-10-16 | 2015-10-16 | Independently arrange fat formula mixed type labyrinth seals device |
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| Publication Number | Publication Date |
|---|---|
| CN205089971U true CN205089971U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520807866.3U Active CN205089971U (en) | 2015-10-16 | 2015-10-16 | Independently arrange fat formula mixed type labyrinth seals device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870737A (en) * | 2017-03-31 | 2017-06-20 | 刘丽霞 | Dust-proof sealing device special |
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2015
- 2015-10-16 CN CN201520807866.3U patent/CN205089971U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870737A (en) * | 2017-03-31 | 2017-06-20 | 刘丽霞 | Dust-proof sealing device special |
| CN106870737B (en) * | 2017-03-31 | 2018-02-23 | 湖北新置科技股份有限公司 | Dust-proof sealing device special |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171205 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 |