CN205173473U - Fat sealing device is independently arranged to labyrinth - Google Patents
Fat sealing device is independently arranged to labyrinth Download PDFInfo
- Publication number
- CN205173473U CN205173473U CN201520813067.7U CN201520813067U CN205173473U CN 205173473 U CN205173473 U CN 205173473U CN 201520813067 U CN201520813067 U CN 201520813067U CN 205173473 U CN205173473 U CN 205173473U
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- China
- Prior art keywords
- ring
- gear
- fat
- ring gear
- storage tank
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- 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 - Fee Related
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- Sealing Devices (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model provides a fat sealing device is independently arranged to labyrinth includes end cover of equipment, axis of rotation and rotating ring and quiet ring at least, quiet ring fix on end cover of equipment through the installation of gland and bolt, the rotating ring be fixed in in the axis of rotation and along with the rotation of axes through the installation lantern ring, quiet ring include external gear ring and sealed ring gear A, the rotating ring include internal gear and bellied sealed ring gear B, sealed ring gear A and sealed ring gear B crisscross interlude each other, common form tortuous oil storage tank between the two, be provided with the seal lip on sealed ring gear A, sealed ring gear B and the internal gear, external gear ring's bottom is provided with that distribute and the row's fat hole groove oil storage tank intercommunication along the axial, and the grease of frizing step in with the oil storage tank is scraped and is got and get rid of it to external gear ring, and the grease is by row's fat hole groove of external gear ring bottom external world of flowing under the action of gravity. In should independently arranging fat formula sealing device it being applicable to the jumbo size axis of rotation, can independently arrange fat, long service life.
Description
Technical field
The utility model provides a kind of for the seal arrangement in running shaft or gear-box, particularly relates to a kind of for the autonomous row's fat formula seal arrangement in large-diameter shaft, belongs to technical field of sealing technology.
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 mazy type and independently arranges fat seal arrangement, and this is independently arranged fat formula seal arrangement and solves deficiency of the prior art, and it is applicable in large scale rotatingshaft, and it independently can arrange fat, long service life.
Realizing the technological scheme that the utility model above-mentioned purpose adopts is:
A kind of mazy type independently arranges fat seal arrangement, at least comprise equipment end cap, rotatingshaft and rotating ring and stationary ring, described stationary ring is fixed on equipment end by gland and bolt and covers, described rotating ring is positioned at stationary ring and both rotate relatively, and rotating ring to be fixed on rotatingshaft by installing the collar and to rotate with the axis; The described installation collar and rotating ring are connected to one formula structure, and installing the collar be open circles ring-type, and its inside is provided with larynx hoop, install the collar and are fixed by larynx hoop and rotatingshaft, thus fixed on the rotating shaft by rotating ring;
Described stationary ring comprises outer tooth ring and 1-3 bar sealing ring gear A, on the inwall that sealing ring gear A is positioned at outer tooth ring and towards internal projection, described rotating ring comprises the sealing ring gear B of internal gear and 1-3 bar projection, sealing ring gear B is positioned on the outer wall of internal gear, described internal gear is positioned at the inside of outer tooth ring and overlaps on the rotating shaft, described sealing ring gear A and sealing ring gear B is interlaced interspersed, the common oil storage tank forming complications between the two, described sealing ring gear A, seal the position that ring gear B and internal gear contact with oil storage tank and be provided with protruding sealing lip, the top of sealing lip is tip shape, and the right side of its top and the inwall of oil storage tank contact described sealing ring gear B is provided with the frizing step of radially equally distributed projection, the bottom of described outer tooth ring is provided with 1-3 the row's fat hole slot be communicated with oil storage tank distributed vertically, frizing step is by the grease scraping in oil storage tank and got rid of to outer tooth ring, grease is flowed out extraneous under gravity by the row's fat hole slot bottom outer tooth ring.
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.
Described outer tooth ring is provided with two sealing ring gear A, and outer tooth ring is provided with two oil drainage holes; Internal gear is provided with two sealing ring gear B.
The mazy type that the utility model provides independently is arranged in fat seal arrangement, grease is by entering in oil storage tank in the gap of equipment end cap and rotatingshaft, moved to the left by the right side of oil storage tank, the sealing lip arranged in oil storage tank in the process can stop grease (external world) leakage to the left, also stops extraneous dirt to enter Seal cage by oil storage tank simultaneously.The right side of sealing ring gear B is provided with the frizing step of radially equally distributed projection, the bottom of described outer tooth ring is provided with 1-3 the row's fat hole slot be communicated with oil storage tank distributed vertically, frizing step is by the grease scraping in oil storage tank and got rid of to outer tooth ring, and grease is flowed out extraneous under gravity by the row's fat hole slot bottom outer tooth ring.
Accompanying drawing explanation
The overall structure schematic diagram of autonomous row's fat formula seal arrangement that Fig. 1 provides for the utility model;
In figure: 1-rotatingshaft, 2-equipment end cap, 3-installs the collar, 4-outer tooth ring, 5-sealing lip, and 6-seals ring gear A, 7-gland, 8-internal gear, 9-larynx hoop, and 10-seals ring gear B, 11-oil storage tank, 12-frizing step, and 13-arranges fat hole slot, 14-oil box.
Embodiment
Below in conjunction with accompanying drawing, detailed specific description is done to the utility model.
The mazy type that the utility model provides independently arranges the overall structure of fat seal arrangement as shown in Figure 1, at least comprise equipment end cap 2, rotatingshaft 1 and rotating ring and stationary ring, described stationary ring is fixed on equipment end cap 2 by gland 7 and bolt, and described rotating ring is positioned at stationary ring and both rotate relatively.Rotating ring to be fixed on rotatingshaft 1 by installing the collar 3 and to rotate with the axis; The described installation collar 3 and rotating ring are connected to one formula structure, and install the collar 3 in open circles ring-type, its inside is provided with larynx hoop 9, installs the collar 3 and is fixed by larynx hoop 9 and rotatingshaft 1, thus be fixed on rotatingshaft 1 by rotating ring.
Described stationary ring comprises outer tooth ring 4 and two sealing ring gear A6, on the inwall that sealing ring gear A6 is positioned at outer tooth ring 4 and towards internal projection, described rotating ring comprises internal gear 8 and two protruding sealing ring gear B10, sealing ring gear B10 is positioned on the outer wall of internal gear 8, described internal gear 8 is positioned at the inside of outer tooth ring 4 and is enclosed within rotatingshaft 1, described sealing ring gear A6 and sealing ring gear B10 is interlaced interspersed, the common oil storage tank 11 forming complications between the two, described sealing ring gear A6, seal the position that ring gear B10 and internal gear 8 contact with oil storage tank 11 and be provided with protruding sealing lip 5, the top of sealing lip 5 is tip shape, and its top contacts with the inwall of oil storage tank 11.
The right side of described sealing ring gear B10 is provided with the frizing step 12 of radially equally distributed projection, the bottom of described outer tooth ring 4 is provided with two row's fat hole slots 13 be communicated with oil storage tank that are that distribute vertically, frizing step 12 is by the grease scraping in oil storage tank 11 and got rid of to outer tooth ring 4, and grease flows out the external world by the row's fat hole slot 13 bottom outer tooth ring under gravity.The below of row's fat hole slot 13 is provided with oil box 14, and oil box 14 is installed on equipment end cap 2, for collecting the waste grease of discharging from row's fat hole slot.
Claims (3)
1. a mazy type independently arranges fat seal arrangement, at least comprise equipment end cap, rotatingshaft and rotating ring and stationary ring, described stationary ring is fixed on equipment end by gland and bolt and covers, described rotating ring is positioned at stationary ring and both rotate relatively, it is characterized in that: rotating ring to be fixed on rotatingshaft by installing the collar and to rotate with the axis; The described installation collar and rotating ring are connected to one formula structure, and installing the collar be open circles ring-type, and its inside is provided with larynx hoop, install the collar and are fixed by larynx hoop and rotatingshaft, thus fixed on the rotating shaft by rotating ring;
Described stationary ring comprises outer tooth ring and 1-3 bar sealing ring gear A, on the inwall that sealing ring gear A is positioned at outer tooth ring and towards internal projection, described rotating ring comprises the sealing ring gear B of internal gear and 1-3 bar projection, sealing ring gear B is positioned on the outer wall of internal gear, described internal gear is positioned at the inside of outer tooth ring and overlaps on the rotating shaft, described sealing ring gear A and sealing ring gear B is interlaced interspersed, the common oil storage tank forming complications between the two, described sealing ring gear A, seal the position that ring gear B and internal gear contact with oil storage tank and be provided with protruding sealing lip, the top of sealing lip is tip shape, and its top contacts with the inwall of oil storage tank, the right side of described sealing ring gear B is provided with the frizing step of radially equally distributed projection, the bottom of described outer tooth ring is provided with 1-3 the row's fat hole slot be communicated with oil storage tank distributed vertically, frizing step is by the grease scraping in oil storage tank and got rid of to outer tooth ring, and grease is flowed out extraneous under gravity by the row's fat hole slot bottom outer tooth ring.
2. mazy type according to claim 1 independently arranges fat seal arrangement, it 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.
3. mazy type according to claim 1 independently arranges fat seal arrangement, it is characterized in that: described outer tooth ring is provided with two sealing ring gear A, and outer tooth ring is provided with two oil drainage holes; Internal gear is provided with two sealing ring gear B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520813067.7U CN205173473U (en) | 2015-10-20 | 2015-10-20 | Fat sealing device is independently arranged to labyrinth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520813067.7U CN205173473U (en) | 2015-10-20 | 2015-10-20 | Fat sealing device is independently arranged to labyrinth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173473U true CN205173473U (en) | 2016-04-20 |
Family
ID=55737468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520813067.7U Expired - Fee Related CN205173473U (en) | 2015-10-20 | 2015-10-20 | Fat sealing device is independently arranged to labyrinth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205173473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696485A (en) * | 2020-12-25 | 2021-04-23 | 中国船舶重工集团公司第七0三研究所 | Non-contact combined seal for gearbox |
-
2015
- 2015-10-20 CN CN201520813067.7U patent/CN205173473U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696485A (en) * | 2020-12-25 | 2021-04-23 | 中国船舶重工集团公司第七0三研究所 | Non-contact combined seal for gearbox |
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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: 20160420 Termination date: 20171020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |