CN203614307U - Water turbine guide vane outer shaft sleeve with multi-stage waterstop seal - Google Patents
Water turbine guide vane outer shaft sleeve with multi-stage waterstop seal Download PDFInfo
- Publication number
- CN203614307U CN203614307U CN201320601178.2U CN201320601178U CN203614307U CN 203614307 U CN203614307 U CN 203614307U CN 201320601178 U CN201320601178 U CN 201320601178U CN 203614307 U CN203614307 U CN 203614307U
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- CN
- China
- Prior art keywords
- ring
- axle sleeve
- water turbine
- sealing
- waterstop
- 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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- 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
Abstract
The utility model discloses a water turbine guide vane outer shaft sleeve with multi-stage waterstop seal, which comprises a rotation shaft sleeve and a second distance ring arranged between the rotation shaft sleeve and a guide vane arm, wherein the second distance ring sleeves a guide vane pivot, a check ring is arranged at the outer side of the second distance ring, the check ring is fastened on a shaft sleeve chamber through a fastening part, the contact surface of the check ring and the second distance ring is provided with more than one seal slot, and a first sealing part is arranged in the sealing slot. The water turbine guide vane outer shaft sleeve with the multi-stage waterstop seal, disclosed by the utility model, has the advantages of simple structure, good convenience in installation and replacement and good waterstop sealing effect.
Description
Technical field
The utility model relates to water turbine axle sleeve, refers in particular to a kind of guide vanes of water turbine external axle sleeve with multistage waterstop sealing.
Background technique
The dynamic power machine that water turbine is is rotating mechanical energy the transformation of energy of current, it belongs to the turbomachinery in fluid machinery.As shown in Figure 1, the Y type Stamping Steel Ribbon 6 between the axle sleeve letter 3 in figure and the first distance ring 5, because long-term use after aging can be followed the string, causes stator external axle sleeve to leak to the overall structure of existing guide vanes of water turbine external axle sleeve.When existing replacing the one Y type Stamping Steel Ribbon 6, rotary sleeve 2 and axle sleeve letter 3 entirety need to be extracted, then the Y type Stamping Steel Ribbon 6 again more renewing, after replacing, reset again rotary sleeve 2 and axle sleeve letter 3, its activity duration is long and difficulty is large, changes efficiency low.
Model utility content
The technical problem existing for prior art, the utility model provides a kind of simple in structure, guide vanes of water turbine external axle sleeve with multistage waterstop sealing, thereby while having reduced the number of times of unit maintenance and check man, guarantee unit safety stable operation, extend the working life of unit, saved the recondition expense of unit.
For solving the problems of the technologies described above, the technological scheme the utility model proposes is:
A kind of guide vanes of water turbine external axle sleeve with multistage waterstop sealing, comprise rotary sleeve and be arranged on the second distance ring between described rotary sleeve and guide vane arm, described the second distance ring is set on stator pivot, described the second distance ring arranged outside has back-up ring, described back-up ring is fastened on axle sleeve letter by fastening piece, on the surface of contact of described back-up ring and the second distance ring, be provided with more than one seal groove, in described seal groove, be provided with the first Sealing.
Further improvement as guide vanes of water turbine external axle sleeve of the present utility model:
Between the end face that described back-up ring and axle sleeve letter contact, be provided with one deck Gask-O-Seal.
The inner side of described the second distance ring and rotary sleeve surface of contact is provided with groove, is provided with the second Sealing in described groove.
Described the first Sealing is the 2nd Y type Stamping Steel Ribbon.
Described Gask-O-Seal is ring packing paper washer.
Described the second Sealing is O type Stamping Steel Ribbon.
Described fastening piece is bolt.
Compared with prior art, the utility model has the advantage of: the utility model guide vanes of water turbine external axle sleeve is by arranging the first Sealing on the surface of contact at the second distance ring and back-up ring, further strengthen sealing effect, even after an existing Y type Stamping Steel Ribbon lost efficacy, the first Sealing also can play the effect of waterstop sealing, can reach the object of external axle sleeve sealing without replacing the one Y type Stamping Steel Ribbon.Between back-up ring and axle sleeve letter, be provided with ring packing paper washer in addition, can play diametrically the effect of waterstop sealing.Be provided with O type Stamping Steel Ribbon in the inner side of the second distance ring and rotary sleeve surface of contact, further increase axle sleeve at axial and footpath seal action upwards.Stator external axle sleeve of the present utility model has the link of multistage waterstop sealing, without changing a Y sealing, while not only making the number of times of unit maintenance and check man, greatly reduce, thereby guaranteed unit safety stable operation, extend service life of equipment, saved unit maintenance expense.
Accompanying drawing explanation
Fig. 1 is the concrete application example figure of existing stator external axle sleeve.
Fig. 2 is concrete application example figure of the present utility model.
Fig. 3 is the sectional view of back-up ring of the present utility model.
Fig. 4 is the sectional view of the second distance ring of the present utility model.
Number in the figure explanation: 1, stator pivot; 2, rotary sleeve; 3, axle sleeve letter; 4, outer gate barrel; 5, the first distance ring; 6, a Y type Stamping Steel Ribbon; 7, guard ring; 8, the second distance ring; 81, groove; 82, the second Sealing; 9, back-up ring; 91, seal groove; 92, the first Sealing; 93, bolt; 10, Gask-O-Seal; 11, guide vane arm.
Embodiment
As shown in Figures 2 to 4, the guide vanes of water turbine external axle sleeve with multistage waterstop sealing of the present utility model, comprise rotary sleeve 2 and be arranged on rotary sleeve 2 and guide vane arm 11 between the second distance ring 8, the second distance ring 8 is set on stator pivot 1, the second distance ring 8 arranged outside have back-up ring 9, back-up ring 9 is fastened on axle sleeve letter 3 by fastening piece, axle sleeve letter 3 is fastened on outer gate barrel 4, on the surface of contact of back-up ring 9 and the second distance ring 8, be provided with more than one seal groove 91, in seal groove 91, be provided with the first Sealing 92.It is the 2nd Y type Stamping Steel Ribbon that fastening piece in the present embodiment adopts bolt 93, the first Sealings 92.Stator external axle sleeve of the present utility model is by arranging the first Sealing 92 on the surface of contact at the second distance ring 8 and back-up ring 9, further enhanced leaktightness effect, even after an existing Y type Stamping Steel Ribbon 6 lost efficacy, the first Sealing 92 also can play the effect of waterstop sealing, can reach the object of external axle sleeve sealing without replacing the one Y type Stamping Steel Ribbon 6.
In the present embodiment, between the end face that back-up ring 9 and axle sleeve letter 3 contact, be provided with one deck Gask-O-Seal 10, the Gask-O-Seal 10 in the present embodiment adopts ring packing paper washer, can play diametrically the effect of waterstop sealing.
In the present embodiment, the second distance ring 8 is provided with groove 81 with the inner side of rotary sleeve 2 surface of contact, is provided with the second corresponding Sealing 82, in the present embodiment in groove 81, the second Sealing 82 adopts O type Stamping Steel Ribbon, further increases axially and footpath seal action upwards.
As shown in Figure 2, on existing stator external axle sleeve, transform change step as follows:
1, by normal stator sleeve sealing Replacement procedure dismounting guide vane arm 11;
2, dismantle original guard ring 7;
3, dismounting the second distance ring 8, polishing cleaning is clean, and whether measurement size conforms to drawing, and opens 2mm groove 81 at itself and rotary sleeve 2 surface of contact inner sides;
4, by making as shown in Figure 3 improved back-up ring 9, and offer a seal groove 91 on back-up ring 9 and the second distance ring 8 surface of contact;
5, bolt 93 holes in the axial direction of back-up ring 9 of transformation and bolt 93 hole sites of former guard ring 7 and in the same size, and be fixed by the fixing bolt 93 of former guard ring 7;
6, the second distance ring 8 after processing is installed, and its with the surface of contact of rotary sleeve 2 inside the O type Stamping Steel Ribbon of the in-built φ 2.5mm of groove 81;
7, the dust of cleaning attachment face, the improved back-up ring 9 of trial assembly, and carry out suitable reconditioning, loads onto the ring packing paper washer that 2mm is thick after errorless, and the 2nd Y type Stamping Steel Ribbon, and evenly rotary seal face is also smeared water-fast grease;
8, return dress guide vane arm 11.
Although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model.Any those of ordinary skill in the art, in the situation that not departing from technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solutions of the utility model,, all should drop in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the utility model technical spirit.
Claims (7)
1. one kind has the guide vanes of water turbine external axle sleeve of multistage waterstop sealing, it is characterized in that: comprise rotary sleeve (2) and be arranged on described rotary sleeve (2) and guide vane arm (11) between the second distance ring (8), described the second distance ring (8) is set on stator pivot (1), described the second distance ring (8) arranged outside has back-up ring (9), described back-up ring (9) is fastened on axle sleeve letter (3) by fastening piece, on the surface of contact of described back-up ring (9) and the second distance ring (8), be provided with more than one seal groove (91), in described seal groove (91), be provided with the first Sealing (92).
2. the guide vanes of water turbine external axle sleeve with multistage waterstop sealing according to claim 1, is characterized in that: between the end face that described back-up ring (9) and axle sleeve letter (3) contact, be provided with one deck Gask-O-Seal (10).
3. the guide vanes of water turbine external axle sleeve with multistage waterstop sealing according to claim 1 and 2, it is characterized in that: described the second distance ring (8) is provided with groove (81) with the inner side of rotary sleeve (2) surface of contact, is provided with the second Sealing (82) in described groove (81).
4. the guide vanes of water turbine external axle sleeve with multistage waterstop sealing according to claim 3, is characterized in that: described the first Sealing (92) is the 2nd Y type Stamping Steel Ribbon.
5. the guide vanes of water turbine external axle sleeve with multistage waterstop sealing according to claim 2, is characterized in that: described Gask-O-Seal (10) is ring packing paper washer.
6. the guide vanes of water turbine external axle sleeve with multistage waterstop sealing according to claim 3, is characterized in that: described the second Sealing (82) is O type Stamping Steel Ribbon.
7. the guide vanes of water turbine external axle sleeve with multistage waterstop sealing according to claim 6, is characterized in that: described fastening piece is bolt (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601178.2U CN203614307U (en) | 2013-09-27 | 2013-09-27 | Water turbine guide vane outer shaft sleeve with multi-stage waterstop seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320601178.2U CN203614307U (en) | 2013-09-27 | 2013-09-27 | Water turbine guide vane outer shaft sleeve with multi-stage waterstop seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203614307U true CN203614307U (en) | 2014-05-28 |
Family
ID=50766958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320601178.2U Expired - Fee Related CN203614307U (en) | 2013-09-27 | 2013-09-27 | Water turbine guide vane outer shaft sleeve with multi-stage waterstop seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203614307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803202A (en) * | 2021-08-09 | 2021-12-17 | 广西卓洁电力工程检修有限公司 | Guide vane shaft head water leakage collecting device of hydroelectric generating set |
-
2013
- 2013-09-27 CN CN201320601178.2U patent/CN203614307U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803202A (en) * | 2021-08-09 | 2021-12-17 | 广西卓洁电力工程检修有限公司 | Guide vane shaft head water leakage collecting device of hydroelectric generating set |
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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: 20140528 Termination date: 20140927 |
|
| EXPY | Termination of patent right or utility model |