CN202216647U - Device for measuring rotating angle of water turbine blade - Google Patents
Device for measuring rotating angle of water turbine blade Download PDFInfo
- Publication number
- CN202216647U CN202216647U CN201120381655XU CN201120381655U CN202216647U CN 202216647 U CN202216647 U CN 202216647U CN 201120381655X U CN201120381655X U CN 201120381655XU CN 201120381655 U CN201120381655 U CN 201120381655U CN 202216647 U CN202216647 U CN 202216647U
- Authority
- CN
- China
- Prior art keywords
- rotating
- turbine blade
- down pole
- blade
- price fixing
- 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
Links
Images
Abstract
The utility model discloses a device for measuring a rotating angle of a water turbine blade, which comprises two lifting support rods, a rotating beam, a fixed plate, a rotating plate and a counter weight. Two ends of the rotating beam are respectively and rotatably connected with one of the lifting support rods, and the fixed plate is fixed on the rotating beam. The rotating plate is rotatably installed on the fixed plate, connected with the counter weight, and provided with angle measuring scales. A vernier matched with the angle measuring scales is arranged on the fixed plate. The device for measuring the rotating angle of the water turbine blade has the advantages of being simple in structure, convenient in operation and capable of measuring the rotating angle of the water turbine blade on a unit overhaul site of a hydraulic power plant.
Description
Technical field
The utility model relates to hydraulic turbine blade measuring technique, relates in particular to axial-flow type and tubular turbine blade corner measuring apparatus.
Background technology
Along with the develop rapidly of power industry, the demand of power equipments such as the hydraulic turbine is constantly increased the quality requirements increasingly stringent.Blade is as the vital part in the hydraulic turbine, and whether its corner accurately will directly have influence on the serviceable life of hydraulic performance, generating efficiency, run stability and this water wheels unit of whole water wheels unit.Yet how the corner of hydraulic turbine blade is accurately measured, be the technical barrier of this area always, also occur at present can the unit maintenance scene be measured the corner of hydraulic turbine blade in the hydroelectric power plant device.
The utility model content
The technical matters that the utility model will solve is the deficiency that overcomes prior art, and a kind of simple in structure, easy to operate, hydraulic turbine blade corner measuring apparatus that can the unit maintenance scene is measured the corner of hydraulic turbine blade in the hydroelectric power plant is provided.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of hydraulic turbine blade corner measuring apparatus comprises up-down pole, rotating beam, price fixing, rotating disk and weight, and said up-down pole is provided with two; Said rotating beam two ends respectively with rotating a connection of up-down pole; Said price fixing is fixed on the said rotating beam, and said rotating disk is rotating to be installed on the said price fixing, and said weight is connected with said rotating disk; Said price fixing is provided with angle measuring calibration, and said rotating disk is provided with the vernier that cooperates with said angle measuring calibration.
The bottom of said up-down pole is provided with magnetic support.
Bar and outer tube in said up-down pole comprises, said interior bar is set in the said outer tube, and said interior bar upper end is connected with said rotating beam, and said outer tube lower end is connected with said magnetic support.
Compared with prior art, the advantage of the utility model is:
The hydraulic turbine blade corner measuring apparatus of the utility model, its one-piece construction is simple, easy to operate, can measure the corner of hydraulic turbine blade at the unit maintenance scene in the hydroelectric power plant; During installation with the up-down strut fixation on the blade of the hydraulic turbine, and two up-down poles stride the axis both sides of being located at blade, through regulating the altitude calibration zero-bit of up-down pole; The zero line of the angle measuring calibration on the price fixing is aimed at the zero line on the vernier; Fixed elevated pole again, when blade when self rotating shaft turns an angle, under the drive of up-down pole and rotating beam; Rotating disk is the rotation in the center of circle by the effect generation of weight gravity with the axle that is fixed on the price fixing; When blade stops operating, read rotating disk with respect to the angle that price fixing rotates through vernier and angle measuring calibration, can obtain the corner of blade; Adopt rotating syndeton between rotating beam and the up-down pole; This makes when blade rotates along with the hydraulic turbine; Price fixing, rotating disk and weight can produce the rotation with respect to blade with rotating beam under action of gravity; Make weight keep free plumbness at any time, thereby guarantee the accuracy of measurement structure.The bottom of up-down pole is provided with magnetic support, can guarantee firm being adsorbed on the blade of up-down pole fixing reliable, convenient through magnetic support.
Description of drawings
Fig. 1 is the main TV structure synoptic diagram of the utility model.
Fig. 2 is the A-A section zoomed-in view of Fig. 1.
Each label is represented among the figure:
1, up-down pole; 2, rotating beam; 3, price fixing; 4, rotating disk; 5, weight; 6, magnetic support; 7, blade; 8, axle; 11, interior bar; 12, outer tube; 31, angle measuring calibration; 41, vernier.
Embodiment
Fig. 1 and Fig. 2 show a kind of hydraulic turbine blade corner measuring apparatus embodiment of the utility model, comprise up-down pole 1, rotating beam 2, price fixing 3, rotating disk 4 and weight 5, and up-down pole 1 is provided with two; Rotating beam 2 two ends respectively with 1 rotating connection of a up-down pole, on rotating beam 2, rotating disk 4 is through axle 8 rotating being installed on the price fixing 3 through two screw retention for price fixing 3; Weight 5 is connected with rotating disk 4, and price fixing 3 is provided with angle measuring calibration 31, and rotating disk 4 is provided with the vernier 41 that cooperates with angle measuring calibration 31; During installation up-down pole 1 is fixed on the blade 7 of the hydraulic turbine, and two up-down poles 1 stride the axis both sides of being located at blade 7, through regulating the altitude calibration zero-bit of up-down pole 1; The zero line of the angle measuring calibration 31 on the price fixing 3 is aimed at the zero line on the vernier 41; Fixed elevated pole 1 again, when blade 7 when self rotating shaft turns an angle, under the drive of up-down pole 1 and rotating beam 2; Rotating disk 4 is the rotation in the center of circle by the effect generation of weight 5 gravity with axle 8; When blade 7 stops operating, read rotating disk 4 with respect to the angle that price fixing 3 rotates through vernier 41 and angle measuring calibration 31, can obtain the corner of blade 7; Its one-piece construction is simple, easy to operate, can measure the corner of hydraulic turbine blade 7 at the unit maintenance scene in the hydroelectric power plant; Simultaneously; Adopt rotating syndeton between rotating beam 2 and the up-down pole 1; This makes when blade 7 rotates along with the hydraulic turbine; The rotation that price fixing 3, rotating disk 4 and weight 5 can produce with respect to blade 7 with rotating beam 2 under action of gravity makes weight 5 keep free plumbness at any time, thereby guarantees the accuracy of measurement structure.
In the present embodiment, the bottom of up-down pole 1 is provided with magnetic support 6, can guarantee 1 firm being adsorbed on the blade 7 of up-down pole fixing reliable, convenient through magnetic support 6.Bar 11 and outer tube 12 in up-down pole 1 comprises, interior bar 11 is set in the outer tube 12, and interior bar 11 upper ends are connected with rotating beam 2; Outer tube 12 lower ends are connected with magnetic support 6; When adjusting the height of up-down pole 1, can interior bar 11 be moved up and down in outer tube 12, again the two is locked after adjusting to the right place.
The above-mentioned just preferred embodiment of the utility model is not that the utility model is done any pro forma restriction.Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art; Under the situation that does not break away from the utility model technical scheme scope; All the technology contents of above-mentioned announcement capable of using is made many possible changes and modification to the utility model technical scheme, or is revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from the utility model technical scheme, all should drop in the scope of the utility model technical scheme protection any simple modification, equivalent variations and modification that above embodiment did according to the utility model technical spirit.
Claims (3)
1. hydraulic turbine blade corner measuring apparatus; It is characterized in that: comprise up-down pole (1), rotating beam (2), price fixing (3), rotating disk (4) and weight (5); Said up-down pole (1) is provided with two, said rotating beam (2) two ends respectively with rotating connection of a up-down pole (1), said price fixing (3) is fixed on the said rotating beam (2); Said rotating disk (4) is rotating to be installed on the said price fixing (3); Said weight (5) is connected with said rotating disk (4), and said price fixing (3) is provided with angle measuring calibration (31), and said rotating disk (4) is provided with the vernier (41) that cooperates with said angle measuring calibration (31).
2. hydraulic turbine blade corner measuring apparatus according to claim 1 is characterized in that: the bottom of said up-down pole (1) is provided with magnetic support (6).
3. hydraulic turbine blade corner measuring apparatus according to claim 2; It is characterized in that: said up-down pole (1) comprises interior bar (11) and outer tube (12); Bar (11) is set in the said outer tube (12) in said; Bar (11) upper end is connected with said rotating beam (2) in said, and said outer tube (12) lower end is connected with said magnetic support (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120381655XU CN202216647U (en) | 2011-10-10 | 2011-10-10 | Device for measuring rotating angle of water turbine blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120381655XU CN202216647U (en) | 2011-10-10 | 2011-10-10 | Device for measuring rotating angle of water turbine blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202216647U true CN202216647U (en) | 2012-05-09 |
Family
ID=46015896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120381655XU Expired - Fee Related CN202216647U (en) | 2011-10-10 | 2011-10-10 | Device for measuring rotating angle of water turbine blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202216647U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729181A (en) * | 2012-07-05 | 2012-10-17 | 哈尔滨工程大学 | Cycloid water turbine installation retainer with measuring function |
| CN106052634A (en) * | 2016-08-05 | 2016-10-26 | 怀化沅江电力开发有限责任公司洪江水力发电厂 | Level gauge-based water turbine blade rotation angle measurement method |
-
2011
- 2011-10-10 CN CN201120381655XU patent/CN202216647U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729181A (en) * | 2012-07-05 | 2012-10-17 | 哈尔滨工程大学 | Cycloid water turbine installation retainer with measuring function |
| CN106052634A (en) * | 2016-08-05 | 2016-10-26 | 怀化沅江电力开发有限责任公司洪江水力发电厂 | Level gauge-based water turbine blade rotation angle measurement method |
| CN106052634B (en) * | 2016-08-05 | 2018-08-10 | 怀化沅江电力开发有限责任公司洪江水力发电厂 | Hydraulic turbine blades Rotating Angle Measurement based on spirit level |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203770030U (en) | Wind generating set, wind-direction sensor used in wind generating set and zero correction device used in wind generating set | |
| US7854069B2 (en) | Azimuth angle measurement system and method for operating the same | |
| CN201222069Y (en) | Sensing device for anemoclinograph, wind-velocity indicator and anemoscope | |
| CN202216647U (en) | Device for measuring rotating angle of water turbine blade | |
| CN105333923A (en) | Radar water level gauge | |
| CN204649931U (en) | The simple and easy wind tunnel test platform of a kind of small-size vertical axis wind turbine performance | |
| CN103912458B (en) | Installing tool and wind aligning method for accurate wind aligning of wind indicator of wind generating set | |
| CN201819729U (en) | Weighing device for balance of blades of wind generator | |
| CN204963956U (en) | Height of water level measurement system | |
| CN109057499B (en) | Firm anemometer tower | |
| CN103465215B (en) | Tool for dismounting and mounting main shaft seal of main pump of 300MW nuclear power station | |
| CN105387884A (en) | Portable multifunctional hydrological motor-driven real-time on-line monitoring device | |
| CN205779484U (en) | Small-sized wind power generator | |
| CN104198099B (en) | A kind of vertical axis aerogenerator torque testing table | |
| CN204855549U (en) | Forest ecosystem apoplexy factor monitoring devices | |
| CN202974298U (en) | Benchmark calibration system for sun angle measuring instrument | |
| CN104563169B (en) | A kind of measurement mechanism for blower fan ground | |
| CN208907804U (en) | A kind of Novel GPS total station | |
| CN202971019U (en) | Measuring device for adjusting water turbine paddle | |
| CN204435436U (en) | A kind of measurement mechanism for blower fan ground | |
| CN202944964U (en) | Adjusting and fixing device of external elevator for wind tower barrel | |
| CN204854767U (en) | Novel civil engineering unwrapping wire with testing line device | |
| CN105928229B (en) | A kind of Stirling dish-style condenser angle adjustment measuring mechanism and its measurement method | |
| CN203759051U (en) | Wind speed measuring instrument for electric power lines | |
| CN102756441A (en) | Horizontal adjustment device of wind turbine blade mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20121010 |