CN107575332A - A kind of guide vanes of water turbine end clearance adjusting apparatus and method of adjustment - Google Patents
A kind of guide vanes of water turbine end clearance adjusting apparatus and method of adjustment Download PDFInfo
- Publication number
- CN107575332A CN107575332A CN201710919823.8A CN201710919823A CN107575332A CN 107575332 A CN107575332 A CN 107575332A CN 201710919823 A CN201710919823 A CN 201710919823A CN 107575332 A CN107575332 A CN 107575332A
- Authority
- CN
- China
- Prior art keywords
- stator
- bolt
- guide vane
- water turbine
- gap
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 1
- 235000011613 Pinus brutia Nutrition 0.000 claims 1
- 241000018646 Pinus brutia Species 0.000 claims 1
- 229920000915 polyvinyl chloride Polymers 0.000 abstract description 3
- 239000004800 polyvinyl chloride Substances 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000012357 Gap analysis Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- 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
- Hydraulic Turbines (AREA)
Abstract
A kind of guide vanes of water turbine end clearance adjusting apparatus, including guide vane teunnion, guide vane teunnion outer wall is connected with guide vane lever, the upper end of guide vane lever and guide vane teunnion is connected with hubcap jointly, the second tapped through hole is provided with the axle center of hubcap, stator lifting bolt, and stator lifting bolt and stator axis connection are placed with the second tapped through hole, the part corresponding with guide vane teunnion is provided with the first tapped through hole on hubcap, and regulating bolt is screwed into the first tapped through hole.Method of adjustment is：Unclamp regulating bolt；Stator lifting bolt is tightened or loosened with spanner；Fastening adjustment bolt；With torque spanner fastening stator lifting bolt.It is adjusted by the above-mentioned means, further taking out adjustment cushion block after the stator lifting parts such as bolt, end cap pin need not be removed again when adjusting stator end clearance, regulation polyvinyl chloride is convenient, reduces workload during adjustment stator end clearance.
Description
Technical field
The invention belongs to turbine technology field, is related to a kind of guide vanes of water turbine end clearance adjusting apparatus, the present invention is also
It is related to a kind of method of adjustment of guide vanes of water turbine end clearance.
Background technology
It in turbine gate mechanism, should rotate stator flexible, reduce current damage when water distributor is closed again
Lose, therefore strictly to control guide vanes of water turbine end clearance.
The method of adjustment of conventional pilot leaf end clearance is, after water distributor installation, measures the gap of stator end face,
The gap of distribution stator and top cover, stator and the gap of base ring are adjusted according to the summation for the end clearance measured.Needed during adjustment
Stator is lifted into bolt, end cap pin, end cap fixing bolt, end cap to remove, adjustment cushion block is taken out, according between the end face of measurement
The thickness of gap analysis and regulation cushion block, then return dress end cap, end cap fixing bolt, stator lifting bolt, and urgent stator on request
The contact of repetition measurement stator end face is carried out after lifting bolt, if unqualified be adjusted up to meeting to require according to above-mentioned operation again,
Realize that stator end clearance adjusts purpose.
, it is necessary to remove above-mentioned several parts when this structure adjusts stator end clearance every time, adjusting process is time-consuming to be taken
Power, operation is even more difficulty especially in the water wheel chamber confined space.
The content of the invention
It is an object of the invention to provide a kind of guide vanes of water turbine end clearance adjusting apparatus, reduces adjustment stator end clearance
When workload.
It is a further object to provide above-mentioned clearance adjustment method.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：
A kind of guide vanes of water turbine end clearance adjusting apparatus, including guide vane teunnion, guide vane teunnion outer wall are connected with guide vane lever, stator
The upper end of arm and guide vane teunnion is connected with hubcap jointly, and the second tapped through hole, the second tapped through hole are provided with the axle center of hubcap
In be placed with stator lifting bolt, and stator lifting bolt and stator axis connection, the part corresponding with guide vane teunnion on hubcap
The first tapped through hole is provided with, regulating bolt is screwed into the first tapped through hole.
Above-mentioned guide vane lever is connected with hubcap by pin and end cap fixing bolt；
Above-mentioned guide vane teunnion is connected with guide vane lever by split pin；
Above-mentioned pin is straight pin；
Above-mentioned split pin is taper bolt；
Screwed hole is provided with above-mentioned split pin head hub, cock is screwed into screwed hole.
A kind of method of adjustment of guide vanes of water turbine end clearance, it is to use above-mentioned guide vanes of water turbine end clearance adjusting apparatus
It is adjusted, specifically implements according to following steps：
Step 1, unclamp regulating bolt；
Step 2, stator lifting bolt is tightened or loosened with spanner；
Step 3, fastening adjustment bolt；
Step 4, stator lifting bolt is fastened with torque spanner.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is when adjusting stator end clearance, with regulation spiral shell
Bolt replaces adjustment cushion block, it is not necessary to removes again and further takes out adjustment cushion block after the stator lifting parts such as bolt, end cap pin and enter
Row have adjusted, and regulation polyvinyl chloride is convenient, reduces workload.
Brief description of the drawings
Fig. 1 is a kind of structural representation of guide vanes of water turbine end clearance adjusting apparatus；
Structural representation when Fig. 2 is a kind of adjusting apparatus adjustment of guide vanes of water turbine end clearance.
In figure, 1. hubcaps, 2. pins, 3. end cap fixing bolts, 4. regulating bolts, 5. first tapped through holes, 6. stators
Lifting bolt, 7. second tapped through holes, 8. cocks, 9. split pins, 10. guide vane teunnions, 11. guide vane levers, 12. top covers, 13. stators,
14. base ring.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of guide vanes of water turbine end clearance adjusting apparatus, including guide vane teunnion 10, the outer wall of guide vane teunnion 10 connect
Guide vane lever 11 is connected to, guide vane teunnion 10 is connected with guide vane lever 11 by split pin 9, and split pin 9 is cone pin, the top end shaft of split pin 9
Screwed hole is provided with the heart, cock 8 is screwed into screwed hole.The upper end of guide vane lever 11 and guide vane teunnion 10 is connected with hubcap 1 jointly, leads
Vane arm 11 is connected with hubcap 1 by pin 2 and end cap fixing bolt 3, and pin is cylindrical pin.It is provided with the axle center of hubcap 1
Second tapped through hole 7, stator lifting bolt 6 is placed with the second tapped through hole 7, and stator lifting bolt 6 connects with guide vane teunnion 10
Connect, the part corresponding with guide vane teunnion 10 is provided with the first tapped through hole 5 on hubcap 1, and regulation spiral shell is screwed into the first tapped through hole 5
Bolt 4.
Present invention also offers a kind of method of adjustment of guide vanes of water turbine end clearance, specifically implement according to following steps：
Step 1, the gap a for measuring stator 13 and top cover 12, the gap b of stator 13 and base ring 14；
Step 2, regulating bolt 4 unclamped；
Step 3, when the gap a of stator and top cover needs to reduce, the gap b of stator and base ring is needed to increase, and stator is carried
The fastening accordingly of bolt 6 is drawn to make stator 13 is overall to be lifted up；
When the gap a of stator and top cover needs to increase, the gap b of stator and base ring is needed to reduce, and stator is lifted into bolt 6
Unclamp, the entirety of stator 13 is pressed downward；
Step 4 and then uniformly fastening adjustment bolt 4；
Step 5, stator lifting bolt 6 is fastened with torque spanner.
By the above-mentioned means, stator lifting bolt, end cap pin etc. need not be removed again when adjusting stator end clearance
Parts further take out adjustment cushion block and are adjusted afterwards, and regulation polyvinyl chloride is convenient, reduces when adjusting stator end clearance
Workload.
Claims (7)
- A kind of 1. guide vanes of water turbine end clearance adjusting apparatus, it is characterised in that including guide vane teunnion (10), the guide vane teunnion (10) Outer wall is connected with guide vane lever (11), and the upper end of the guide vane lever (11) and guide vane teunnion (10) is connected with hubcap (1) jointly, described The second tapped through hole (7) is provided with the axle center of hubcap (1), stator lifting bolt is placed with second tapped through hole (7) (6), and stator lifting bolt (6) is connected with guide vane teunnion (10), the part corresponding with guide vane teunnion (10) on the hubcap (1) The first tapped through hole (5) is provided with, regulating bolt (4) is screwed into first tapped through hole (5).
- A kind of 2. guide vanes of water turbine end clearance adjusting apparatus according to claim 1, it is characterised in that the guide vane lever (11) it is connected with hubcap (1) by pin (2) and end cap fixing bolt (3).
- A kind of 3. guide vanes of water turbine end clearance adjusting apparatus according to claim 1, it is characterised in that the guide vane teunnion (10) it is connected with guide vane lever (11) by split pin (9).
- A kind of 4. guide vanes of water turbine end clearance adjusting apparatus according to claim 2, it is characterised in that the pin (2) it is straight pin.
- A kind of 5. guide vanes of water turbine end clearance adjusting apparatus according to claim 3, it is characterised in that the split pin (9) it is taper bolt.
- 6. a kind of guide vanes of water turbine end clearance adjusting apparatus according to claim 3 or 5, it is characterised in that described point Screwed hole is provided with half pin (9) head hub, cock (8) is screwed into screwed hole.
- 7. a kind of method of adjustment in guide vanes of water turbine gap, it is characterised in that use above-mentioned guide vanes of water turbine lash adjusting device It is adjusted, specific method of adjustment is implemented according to following steps：Step 1, the gap a for measuring stator (13) and top cover (12), the gap b of stator (13) and base ring (14)；Step 2, by regulating bolt (4) unclamp；Step 3, when the gap a of stator and top cover needs to reduce, the gap b of stator and base ring is needed to increase, and stator is lifted into spiral shell Fastening makes stator (13) integrally be lifted up to bolt (6) accordingly, adjusts to gap a, b and meets to require；When the gap a of stator and top cover needs to increase, the gap b of stator and base ring is needed to reduce, and stator is lifted into bolt (6) pine Open, stator (13) is integrally pressed downward, adjusts to gap a, b and meets to require；Step 4 and then uniformly fastening adjustment bolt (4)；Step 5, with torque spanner, torque fastening stator lifts bolt (6) on request.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919823.8A CN107575332A (en) | 2017-09-30 | 2017-09-30 | A kind of guide vanes of water turbine end clearance adjusting apparatus and method of adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919823.8A CN107575332A (en) | 2017-09-30 | 2017-09-30 | A kind of guide vanes of water turbine end clearance adjusting apparatus and method of adjustment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107575332A true CN107575332A (en) | 2018-01-12 |
Family
ID=61040023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710919823.8A Pending CN107575332A (en) | 2017-09-30 | 2017-09-30 | A kind of guide vanes of water turbine end clearance adjusting apparatus and method of adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107575332A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013189940A (en) * | 2012-03-14 | 2013-09-26 | Chugoku Electric Power Co Inc:The | Guide vane and method of manufacturing the same |
| CN203785596U (en) * | 2013-10-09 | 2014-08-20 | 东芝水电设备（杭州）有限公司 | Tool for adjusting axial clearance of guide vane |
| CN204299772U (en) * | 2014-11-04 | 2015-04-29 | 天津市天发重型水电设备制造有限公司 | A kind of novel vertical unit stator adjustment thrust brake |
| CN207777051U (en) * | 2017-09-30 | 2018-08-28 | 国家电网公司 | A kind of guide vanes of water turbine end clearance adjusting apparatus |
-
2017
- 2017-09-30 CN CN201710919823.8A patent/CN107575332A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013189940A (en) * | 2012-03-14 | 2013-09-26 | Chugoku Electric Power Co Inc:The | Guide vane and method of manufacturing the same |
| CN203785596U (en) * | 2013-10-09 | 2014-08-20 | 东芝水电设备（杭州）有限公司 | Tool for adjusting axial clearance of guide vane |
| CN204299772U (en) * | 2014-11-04 | 2015-04-29 | 天津市天发重型水电设备制造有限公司 | A kind of novel vertical unit stator adjustment thrust brake |
| CN207777051U (en) * | 2017-09-30 | 2018-08-28 | 国家电网公司 | A kind of guide vanes of water turbine end clearance adjusting apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102615534B (en) | Hydraulic fixture used for machining precision forging blade tenon root | |
| CN207050689U (en) | Taper roll bearing assembles the measurement apparatus of height | |
| CN207777051U (en) | A kind of guide vanes of water turbine end clearance adjusting apparatus | |
| US20150135534A1 (en) | System and method for uptower machining of a wind turbine | |
| CN104563219A (en) | Water supply control method without external sensor | |
| CN109516362B (en) | The suspender and its application method of a kind of while hoisting rotor and stator component | |
| CN202507097U (en) | Hydraulic fixture for precisely-forged blade tenon root machining | |
| MY195723A (en) | Method and Apparatus for Recognizing Operating State of Photovoltaic String and Storage Medium | |
| ES2918676T3 (en) | Procedure for renewing a wind turbine | |
| CN109405714A (en) | Reactor coolant pump thrust disc measurement of fit clearance device | |
| US20120027602A1 (en) | Hub assembly for use with a wind turbine and method of making the same | |
| CN107575332A (en) | A kind of guide vanes of water turbine end clearance adjusting apparatus and method of adjustment | |
| CN206764344U (en) | A kind of rotational positioning clamping tooling | |
| CN107695209A (en) | Pressed the fixed multiple tooth pressure riveting device of flange installation for oscillating bearing | |
| CN108015501A (en) | A kind of process for machining of Thin-walled Aluminum spiral case | |
| CN206206268U (en) | A kind of adjustable impeller assembly of axial force | |
| CN104005899B (en) | The structure that guide vanes of water turbine thrust gap is adjusted | |
| CN206397546U (en) | Aeroengine rotor counterweight block structure | |
| CN106863358A (en) | A kind of desktop level mechanical arm seat connection apparatus | |
| CN214443782U (en) | Fan welding device | |
| CN107931670A (en) | A kind of main frame of wind turbine generator system motor installing hole drill jig | |
| CN206311332U (en) | A kind of Multi-cylinder axial loading system | |
| CN209085506U (en) | Reactor coolant pump thrust disc measurement of fit clearance device | |
| CN207777052U (en) | Pump turbine guide vane end clearance adjusts structure | |
| CN107687802A (en) | A kind of internal spline swelling nested structure for being used to measure decelerator bounce |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180112 |