CN203702435U - Automatic pressure balancing type water turbine sealing structure - Google Patents
Automatic pressure balancing type water turbine sealing structure Download PDFInfo
- Publication number
- CN203702435U CN203702435U CN201420069513.3U CN201420069513U CN203702435U CN 203702435 U CN203702435 U CN 203702435U CN 201420069513 U CN201420069513 U CN 201420069513U CN 203702435 U CN203702435 U CN 203702435U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- plate
- type water
- water turbine
- grating pressing
- 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
Abstract
The utility model discloses an automatic pressure balancing type water turbine sealing structure. A main shaft mounting hole is formed in the middle of a sealing support, a main shaft sealing ring, a secondary pressure distributing plate, a locating ring, transmission rods, a primary pressure distributing plate, an airbag and an air distributing area are arranged in a sealing support groove with the main shaft mounting hole as a circle center from inside to outside in sequence, the secondary pressure distributing plate is a ring with the cross section in an open fan shape, the ring is evenly divided into a plurality of modules, the modules are connected with the primary pressure distributing plate through the transmission rods, the transmission rods are arranged on the locating ring, the primary pressure distributing plate is divided into a plurality of modules corresponding to the secondary pressure distributing plate, a compression spring is arranged between the primary pressure distributing plate and the locating ring, the airbag is arranged in the concave area on the outer surface of the primary pressure distributing plate, the air distributing area is communicated with the airbag, and an air inlet pipe is arranged in the air distributing area. Multi-stage pressure distribution is adopted by the device, part of internal stress is neutralized well, the good constant pressure effect is achieved, and meanwhile automatic pressure balancing can be carried out under specific pressure according to the needs of equipment operating.
Description
Technical field
The utility model relates to mechanical engineering generation and keeps the technical field that in the general measures of machine or effective operation of apparatus, filling seals with the filler radially or tangentially compressing between the surface of relative movement, espespecially a kind of automatically constant pressure type water turbine sealing configuration.
Background technique
The hydraulic turbine main shaft structure of pressurized air constant voltage sealing of the prior art is directly to pass into pressurized air to gas compartment to realize weighing apparatus pressure, although seal ring with directly contact and can bring larger pressure result with air, but also easily expand some pores or bubble that seal ring itself exists, cause seal ring local deformation, thereby make this region discontinuity, excessive with main shaft surface of contact, cause bad rotation, thus damage equipment parts.
Summary of the invention
For addressing the above problem, the utility model provides a kind of automatically constant pressure type water turbine sealing configuration, this device adopts multistage pressure to distribute, offset preferably part internal stress, power equilibrium on the multiple points of seal ring is provided simultaneously, reach good constant voltage effect, what can operate according to equipment need to be at automatically constant pressure under specified pressure simultaneously.
For reaching above-mentioned effect, the utility model adopts following technology to realize, and a kind of automatically constant pressure type water turbine sealing configuration, comprises sealed support, adjusting bolt, regulator plate, seal ring, suction tude, distribution district, air bag, drive link, main shaft seal circle, two grating pressing plates, one grating pressing plate, positioning ring, wherein sealed support middle part is provided with spindle mounting hole, is once provided with from inside to outside main shaft seal circle in sealed support groove taking spindle mounting hole as the center of circle, two grating pressing plates, positioning ring, drive link, one grating pressing plate, air bag, distribution district, two grating pressing plates are that cross section is the fan-shaped annulus of opening, this annulus evenly divides and makes multiple modules, each module is connected with a grating pressing plate by drive link, and drive link is installed on positioning ring, and a grating pressing plate also corresponding two grating pressing plates is divided into multiple modules, between one grating pressing plate and positioning ring, be provided with Compress Spring, air bag is installed on a grating pressing plate outer surface sunk area, distribution district communicated air bags, and distribution is provided with suction tude in district.
As further improvement of the utility model, described suction tude is installed on seal ring by cover plate, and cover plate and seal ring contacting point are provided with side sealing circle.
As further improvement of the utility model, on described sealed support, be provided with seal ring, seal ring and main shaft contacting point are provided with stuffing box packing layer, on stuffing box packing layer, are provided with regulator plate, and regulator plate is connected with seal ring by adjusting bolt.
As further improvement of the utility model, between described seal ring and main shaft, be provided with sleeve, sleeve interior surface is provided with drive plate, is provided with and the mounting hole that drives plate to match on main shaft, and collar bush is connected in sleeve.
As further improvement of the utility model, one end that described main shaft seal circle does not contact with main shaft is provided with joins indent, and this joins indent configuration and two grating pressing plates match.
As further improvement of the utility model, described Compress Spring is installed in spring spool, and spring spool bottom is provided with drive link mounting hole.
The utility model compared with prior art has following beneficial effect:
1, this device adopts multistage pressure to distribute, and has offseted preferably part internal stress, and the power equilibrium on the multiple points of seal ring is provided simultaneously, reaches good constant voltage effect, and what can operate according to equipment need to be at automatically constant pressure under specified pressure simultaneously.
Brief description of the drawings
Fig. 1 is a kind of automatically constant pressure type water turbine sealing configuration mounting structure schematic diagram;
Fig. 2 is the set positioning ring connection diagram of a kind of automatically constant pressure type water turbine sealing configuration plan view;
Fig. 3 is the set positioning ring connection diagram of a kind of automatically constant pressure type water turbine sealing configuration side view;
Fig. 4 is the set main shaft seal circle of a kind of automatically constant pressure type water turbine sealing configuration side view;
1-sealed support in figure; 2-adjusting bolt; 3-regulator plate; 4-sleeve; 5-main shaft; 6-drives plate; 7-seal ring; 8-suction tude; 9-cover plate; 10-distribution district; 11-air bag; 12-drive link; 13-main shaft seal circle; 14-bis-grating pressing plates; 15-side sealing circle; 16-mono-grating pressing plate; 17-positioning ring; 18-Compress Spring; 19-spring spool; 20-slide block; 21-joins indent.
Embodiment
Embodiment 1
A kind of automatically constant pressure type water turbine sealing configuration as shown in Figures 1 to 4, comprise sealed support 1, adjusting bolt 2, regulator plate 3, seal ring 7, suction tude 8, distribution district 10, air bag 11, drive link 12, main shaft seal circle 13, two grating pressing plates 14, one grating pressing plate 16, positioning ring 17, wherein sealed support 1 middle part is provided with spindle mounting hole, in sealed support 1 groove, be once provided with from inside to outside main shaft seal circle 13 taking spindle mounting hole as the center of circle, two grating pressing plates 14, positioning ring 17, drive link 12, one grating pressing plate 16, air bag 11, distribution district 10, two grating pressing plates 14 for cross section be the fan-shaped annulus of opening, this annulus evenly divides and makes multiple modules, each module is connected with a grating pressing plate 16 by drive link 12, one grating pressing plate 16 also corresponding two grating pressing plates 14 is divided into multiple modules, drive link 12 is installed on positioning ring 17, between one grating pressing plate 16 and positioning ring 17, be provided with Compress Spring 18, air bag 11 is installed on grating pressing plate 16 outer surface sunk areas, distribution district 10 communicated air bags 11, in distribution district 10, be provided with suction tude 8, described suction tude 8 is installed on seal ring 7 by cover plate 9, cover plate 9 is provided with side sealing circle 15 with seal ring 7 contacting points, on described sealed support 1, be provided with seal ring 7, seal ring 7 is provided with stuffing box packing layer with main shaft 5 contacting points, on stuffing box packing layer, be provided with regulator plate 3, regulator plate 3 is connected with seal ring 7 by adjusting bolt 2, between described seal ring 7 and main shaft 5, be provided with sleeve 4, sleeve 4 internal surfaces are provided with and drive plate 6, on main shaft 5, be provided with and the mounting hole that drives plate 6 to match, main shaft 5 is socketed in sleeve 4, one end that described main shaft seal circle 13 does not contact with main shaft 5 is provided with joins indent 21, this joins indent 21 configurations and two grating pressing plates 14 match, described Compress Spring 18 is installed in spring spool 19, spring spool 19 bottoms are provided with drive link mounting hole.
Claims (6)
1. an automatically constant pressure type water turbine sealing configuration, comprises sealed support (1), adjusting bolt (2), regulator plate (3), seal ring (7), suction tude (8), distribution district (10), air bag (11), drive link (12), main shaft seal circle (13), two grating pressing plates (14), one grating pressing plate (16), positioning ring (17), is characterized in that: sealed support (1) middle part is provided with spindle mounting hole, is once provided with from inside to outside main shaft seal circle (13) in sealed support (1) groove taking spindle mounting hole as the center of circle, two grating pressing plates (14), positioning ring (17), drive link (12), one grating pressing plate (16), air bag (11), distribution district (10), two grating pressing plates (14) for cross section be the fan-shaped annulus of opening, this annulus evenly divides and makes multiple modules, each module is connected with a grating pressing plate (16) by drive link (12), one grating pressing plate (16) also corresponding two grating pressing plates (14) is divided into multiple modules, drive link (12) is installed on positioning ring (17), between one grating pressing plate (16) and positioning ring (17), be provided with Compress Spring (18), air bag (11) is installed on grating pressing plate (16) outer surface sunk area, distribution district (10) communicated air bags (11), is provided with suction tude (8) on distribution district (10).
2. a kind of automatically constant pressure type water turbine sealing configuration according to claim 1, is characterized in that: described suction tude (8) is installed on seal ring (7) by cover plate (9), and cover plate (9) is provided with side sealing circle (15) with seal ring (7) contacting point.
3. a kind of automatically constant pressure type water turbine sealing configuration according to claim 1, it is characterized in that: on described sealed support (1), be provided with seal ring (7), seal ring (7) is provided with stuffing box packing layer with main shaft (5) contacting point, on stuffing box packing layer, be provided with regulator plate (3), regulator plate (3) is connected with seal ring (7) by adjusting bolt (2).
4. a kind of automatically constant pressure type water turbine sealing configuration according to claim 1, it is characterized in that: between described seal ring (7) and main shaft (5), be provided with sleeve (4), sleeve (4) internal surface is provided with and drives plate (6), on main shaft (5), be provided with and the mounting hole that drives plate (6) to match, main shaft (5) is socketed in sleeve (4).
5. a kind of automatically constant pressure type water turbine sealing configuration according to claim 1, it is characterized in that: one end that described main shaft seal circle (13) does not contact with main shaft (5) is provided with joins indent (21), and this joins indent (21) configuration and two grating pressing plates (14) match.
6. a kind of automatically constant pressure type water turbine sealing configuration according to claim 1, is characterized in that: described Compress Spring (18) is installed in spring spool (19), and spring spool (19) bottom is provided with drive link mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069513.3U CN203702435U (en) | 2014-02-18 | 2014-02-18 | Automatic pressure balancing type water turbine sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069513.3U CN203702435U (en) | 2014-02-18 | 2014-02-18 | Automatic pressure balancing type water turbine sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702435U true CN203702435U (en) | 2014-07-09 |
Family
ID=51052888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420069513.3U Expired - Fee Related CN203702435U (en) | 2014-02-18 | 2014-02-18 | Automatic pressure balancing type water turbine sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702435U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464882A (en) * | 2016-01-11 | 2016-04-06 | 湖南云箭集团有限公司 | Main shaft seal device and axial flow turbine with same |
| CN107740881A (en) * | 2017-11-15 | 2018-02-27 | 陈风琴 | A kind of valve with regulation leak-stopping function |
| CN110701194A (en) * | 2019-10-16 | 2020-01-17 | 广州冠研液压密封有限公司 | Pressure-resistant anti-fatigue oil seal ring |
-
2014
- 2014-02-18 CN CN201420069513.3U patent/CN203702435U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464882A (en) * | 2016-01-11 | 2016-04-06 | 湖南云箭集团有限公司 | Main shaft seal device and axial flow turbine with same |
| CN107740881A (en) * | 2017-11-15 | 2018-02-27 | 陈风琴 | A kind of valve with regulation leak-stopping function |
| CN110701194A (en) * | 2019-10-16 | 2020-01-17 | 广州冠研液压密封有限公司 | Pressure-resistant anti-fatigue oil seal ring |
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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: 20140709 Termination date: 20170218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |