CN204175963U - Bulb Turbine Units bearing seal assembly - Google Patents
Bulb Turbine Units bearing seal assembly Download PDFInfo
- Publication number
- CN204175963U CN204175963U CN201420563340.0U CN201420563340U CN204175963U CN 204175963 U CN204175963 U CN 204175963U CN 201420563340 U CN201420563340 U CN 201420563340U CN 204175963 U CN204175963 U CN 204175963U
- Authority
- CN
- China
- Prior art keywords
- plate
- sealing
- turbine units
- ring flat
- seal part
- 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 - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a kind of Bulb Turbine Units bearing seal assembly, comprise R type Sealing, anchor ear and labyrinth seal part, labyrinth seal part is arranged at the ring flat-plate bottom of Bulb Turbine Units and is close to spindle flange, R type Sealing offers groove, after anchor ear snaps in groove, R type Sealing to be encircled on the spindle flange being connected to Bulb Turbine Units and the R limit of R type Sealing and the madial wall of ring flat-plate offset.Sealing assembly has the advantage that structure is simple, effectively can improve sealing effect.
Description
Technical field
The utility model relates generally to combination bearing sealing technique, particularly relates to a kind of Bulb Turbine Units bearing seal assembly.
Background technique
Existing power plant uses combination bearing sealing configuration as shown in Figure 1, ring flat-plate 1 and epoxy plate 2 are fixed on bearing bracket 3, R type Sealing 4 is encircled in spindle flange 6 by anchor ear 5 and is rotated together with main shaft, its " R " limit is close to ring flat-plate 1 and is sealed oil gas, part oil gas condenses into oil droplet through after R type Sealing 4, bottom ring flat-plate 1, enter combination bearing oil drainage hole 7 through Φ 4 ㎜ oil drainage hole 7.There is following defect and deficiency in above-mentioned sealing configuration: 1, banding " by manually straining locking when the anchor ear 5 of R type Sealing 4 is installed; spindle flange diameter is 1540 ㎜; manpower cannot guarantee that its tightness is reliable, in unit running process, R type Sealing 4 can produce displacement and causes seal failure; 2, ring flat-plate 1 is outer low and inner high in labyrinth seal part 8 plane bottom it after installing, and the turbine oil that labyrinth seal part 8 is collected cannot flow into oil drainage hole 7 to the inside, oil-collecting is easily outflowed and enters wind-tunnel.
Model utility content
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art, provides the Bulb Turbine Units bearing seal assembly that a kind of structure is simple, effectively can improve sealing effect.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of Bulb Turbine Units bearing seal assembly, comprise R type Sealing, anchor ear and labyrinth seal part, described labyrinth seal part is arranged at the ring flat-plate bottom of Bulb Turbine Units and is close to spindle flange, described R type Sealing offers groove, after described anchor ear snaps in groove, R type Sealing to be encircled on the spindle flange being connected to Bulb Turbine Units and the R limit of R type Sealing and the madial wall of ring flat-plate offset.
Further improvement as technique scheme:
In described labyrinth seal part, the turbine oil offered for being collected by labyrinth seal part is guided to the oil guide slot of the oil drainage hole on ring flat-plate.
Described oil guide slot along labyrinth seal part in be in tilted layout and the low spot place of oil guide slot near oil drainage hole.
Be provided with elastic wear-resisting Sealing outside described labyrinth seal part, described elastic wear-resisting Sealing is extended to the outer side wall of ring flat-plate in one end and is connected with ring flat-plate by fastening piece, is close in the other end and spindle flange.
Be installed with pressing plate outside described elastic wear-resisting Sealing, described fastening piece is fastenedly connected with ring flat-plate through after pressing plate and elastic wear-resisting Sealing successively.
Compared with prior art, the utility model has the advantage of:
The embodiment of Bulb Turbine Units bearing seal assembly of the present utility model, sealing assembly comprises R type Sealing, anchor ear and labyrinth seal part, labyrinth seal part is arranged at the ring flat-plate bottom of Bulb Turbine Units and is close to spindle flange, R type Sealing offers groove, being encircled by R type Sealing after anchor ear snaps in groove is connected on the spindle flange of Bulb Turbine Units, and the R limit of R type Sealing and the madial wall of ring flat-plate offset, in this structure, sealing can be formed to ring flat-plate both sides by R type Sealing and labyrinth seal part, it is simple and reliable for structure, R type Sealing offers groove, being encircled by R type Sealing after anchor ear snaps in groove is connected on the spindle flange of Bulb Turbine Units, on the one hand, anchor ear is connected with spindle flange screw threads for fastening, in unit running process, R type Sealing can not produce displacement and cause the seal failure of R type Sealing, on the other hand, groove is the square groove of degree of depth 3mm, by anchor ear and groove clamping, can prevent anchor ear from skidding on R type Sealing and obscission occurs, substantially increase the sealing effect of this bearing seal assembly.
Accompanying drawing explanation
Fig. 1 is the structural representation of Bulb Turbine Units bearing seal assembly in prior art.
Fig. 2 is the structural representation of the utility model Bulb Turbine Units bearing seal assembly.
Fig. 3 is the A place structure for amplifying schematic diagram of Fig. 2.
In figure, each label represents:
1, ring flat-plate; 2, epoxy plate; 3, bearing bracket; 4, R type Sealing; 41, groove; 5, anchor ear; 6, spindle flange; 7, oil extraction; 8, labyrinth seal part; 81, oil guide slot; 9, elastic wear-resisting Sealing; 10, fastening piece; 11, pressing plate.
Embodiment
Below with reference to Figure of description and specific embodiment, the utility model is described in further details.
Fig. 2 and Fig. 3 shows the embodiment of the utility model Bulb Turbine Units bearing seal assembly, ring flat-plate 1 and epoxy plate 2 are fixed on bearing bracket 3, sealing assembly comprises R type Sealing 4, anchor ear 5 and labyrinth seal part 8, labyrinth seal part 8 is arranged at ring flat-plate 1 bottom of Bulb Turbine Units and is close to spindle flange 6, R type Sealing 4 offers groove 41, being encircled by R type Sealing 4 after anchor ear 5 snaps in groove 41 is connected on the spindle flange 6 of Bulb Turbine Units, and the R limit of R type Sealing 4 and the madial wall of ring flat-plate 1 offset, in this structure, sealing can be formed to ring flat-plate 1 both sides by R type Sealing 4 and labyrinth seal part 8, it is simple and reliable for structure, R type Sealing 4 offers groove 41, being encircled by R type Sealing 4 after anchor ear 5 snaps in groove 41 is connected on the spindle flange 6 of Bulb Turbine Units, on the one hand, anchor ear 5 is connected with spindle flange 6 screw threads for fastening, in unit running process, R type Sealing 4 can not produce displacement and cause the seal failure of R type Sealing 4, on the other hand, groove 41 is the square groove of degree of depth 3mm, by anchor ear 5 and groove 41 clamping, can prevent anchor ear 5 from skidding on R type Sealing 4 and obscission occurs, substantially increase the sealing effect of this bearing seal assembly.
In the present embodiment, in labyrinth seal part 8, the turbine oil offered for being collected by labyrinth seal part 8 is guided to the oil guide slot 81 of the oil drainage hole 7 on ring flat-plate 1, this oil guide slot 81 is the U-type groove of width 6mm, such setting, the turbine oil that labyrinth seal part 8 can be made to collect flows into oil drainage hole 7 smoothly through oil guide slot 81, prevent turbine oil from easily outflowing and enter wind-tunnel, further increase the sealing effect of this bearing seal assembly.
In the present embodiment, oil guide slot 81 along labyrinth seal part 8 in be in tilted layout and the low spot place of oil guide slot 81 near oil drainage hole 7, in this structure, oil guide slot 81 from the second ring outside labyrinth seal part 8 along labyrinth seal part 8 in being in tilted layout, and the low spot place of oil guide slot 81 is near oil drainage hole 7, arranges like this, changes the structure that in conventional construction, labyrinth seal part 8 is outer low and inner high, the turbine oil that labyrinth seal part 8 is collected can flow into oil drainage hole 7 fast smoothly, and its structure is simple, it is ingenious to design.
In the present embodiment, elastic wear-resisting Sealing 9 is provided with outside labyrinth seal part 8, elastic wear-resisting Sealing 9 is extended to the outer side wall of ring flat-plate 1 and is connected with ring flat-plate 1 by fastening piece 10 in one end, be close in the other end and spindle flange 6, in this structure, elastic wear-resisting Sealing 9 effectively can stop that oil-collecting enters generator wind-tunnel, avoid oil-collecting to form mist of oil and be adsorbed on magnetic pole and staor winding surface, insulation between winding is caused to reduce, threaten unit safety operation, and this sealing means structure is simple, change elastic wear-resisting Sealing 9 also very convenient.
In the present embodiment, pressing plate 11 has been installed with outside elastic wear-resisting Sealing 9, fastening piece 10 passes pressing plate 11 successively and elastic wear-resisting Sealing 9 is rear and ring flat-plate 1 is fastenedly connected, this pressing plate 11 plays the effect compressing elastic wear-resisting Sealing 9, can prevent elastic wear-resisting Sealing 9 from rotating, improve fastening effect.
Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Any those of ordinary skill in the art, when not departing from technical solutions of the utility model scope, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (5)
1. a Bulb Turbine Units bearing seal assembly, it is characterized in that: comprise R type Sealing (4), anchor ear (5) and labyrinth seal part (8), described labyrinth seal part (8) is arranged at ring flat-plate (1) bottom of Bulb Turbine Units and is close to spindle flange (6), described R type Sealing (4) offers groove (41), after described anchor ear (5) snaps in groove (41), R type Sealing (4) is encircled the upper and madial wall of the R limit of R type Sealing (4) and ring flat-plate (1) of the spindle flange (6) being connected to Bulb Turbine Units and offset.
2. Bulb Turbine Units bearing seal assembly according to claim 1, is characterized in that: in described labyrinth seal part (8), the turbine oil offered for being collected by labyrinth seal part (8) is guided to the oil guide slot (81) of the oil drainage hole 7 on ring flat-plate (1).
3. Bulb Turbine Units bearing seal assembly according to claim 2, is characterized in that: described oil guide slot (81) along labyrinth seal part (8) in be in tilted layout and the low spot place of oil guide slot (81) near oil drainage hole (7).
4. Bulb Turbine Units bearing seal assembly according to any one of claim 1 to 3, it is characterized in that: described labyrinth seal part (8) side is provided with elastic wear-resisting Sealing (9), described elastic wear-resisting Sealing (9) is extended to the outer side wall of ring flat-plate (1) and is connected with ring flat-plate (1) by fastening piece (10) in one end, be close in the other end and spindle flange (6).
5. Bulb Turbine Units bearing seal assembly according to claim 4, it is characterized in that: described elastic wear-resisting Sealing (9) outside has been installed with pressing plate (11), and described fastening piece (10) is fastenedly connected with ring flat-plate 1 afterwards through pressing plate (11) and elastic wear-resisting Sealing (9) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563340.0U CN204175963U (en) | 2014-09-28 | 2014-09-28 | Bulb Turbine Units bearing seal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563340.0U CN204175963U (en) | 2014-09-28 | 2014-09-28 | Bulb Turbine Units bearing seal assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175963U true CN204175963U (en) | 2015-02-25 |
Family
ID=52564774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420563340.0U Expired - Fee Related CN204175963U (en) | 2014-09-28 | 2014-09-28 | Bulb Turbine Units bearing seal assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204175963U (en) |
-
2014
- 2014-09-28 CN CN201420563340.0U patent/CN204175963U/en not_active Expired - Fee Related
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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: 20150225 Termination date: 20150928 |
|
| EXPY | Termination of patent right or utility model |