CN218646216U - Roundness measuring device for rotating wheel of water turbine - Google Patents
Roundness measuring device for rotating wheel of water turbine Download PDFInfo
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- CN218646216U CN218646216U CN202221259742.2U CN202221259742U CN218646216U CN 218646216 U CN218646216 U CN 218646216U CN 202221259742 U CN202221259742 U CN 202221259742U CN 218646216 U CN218646216 U CN 218646216U
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- hydraulic turbine
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- swivel mount
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- runner
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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
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Abstract
The utility model provides a hydraulic turbine runner roundness measuring device, including the hydraulic turbine pivot, locate the hydraulic turbine runner of hydraulic turbine pivot bottom, the cover is equipped with the swivel mount that connects with it to slide in its characterized in that hydraulic turbine pivot, is equipped with the horizontal telescopic rod that the percentage table was established to a plurality of front ends on the swivel mount, makes a plurality of percentage tables and hydraulic turbine runner join in marriage mutually and connects to the different positions of swivel mount are located to a plurality of horizontal telescopic rods, and are equipped with babbitt metal tile between swivel mount and hydraulic turbine pivot combination department. Can conveniently establish the horizontal telescopic rod of percentage table through a plurality of front ends at the rotatory in-process of swivel mount along hydraulic turbine pivot, measure the circularity of hydraulic turbine runner simultaneously to improve detection efficiency, satisfy hydraulic turbine runner circularity detection demand, through the babbitt tile, prevent to take place the friction between swivel mount and the hydraulic turbine pivot, cause wearing and tearing to the hydraulic turbine pivot when avoiding the swivel mount to rotate.
Description
Technical Field
The utility model relates to a measuring device, especially a hydraulic turbine runner circularity measuring device belong to mechanical design and manufacture technical field.
Background
The roundness measurement of the rotating wheel of the water turbine is one of important contents of an installation precision control part in maintenance work, and when the roundness control of the upper crown, the lower ring and the upper and lower comb tooth leakage-stopping rings of the rotating wheel of the water turbine does not meet the requirement, the vibration and the swing caused by the unbalanced hydraulic power of the water turbine can be aggravated. Therefore, not only can the tight connection part of the water turbine component loosen, but also the metal components such as the runner and the like can be subjected to fatigue damage, and the safe and stable operation of the unit is seriously influenced. The roundness measurement of the existing water turbine runner adopts a mode of hanging steel plumb lines, 4 measuring points are uniformly distributed on the circumferential surface, and then an inside micrometer is used for measurement. The minimum distance between the measuring surface and the steel plumb line needs to be searched in the measuring mode, and the measuring working points are very many, so that the construction period is long in occupied time, and the measuring efficiency is extremely low. And the measurement precision and the measurement efficiency are greatly influenced by the skill level of the maintenance worker. There is therefore a need for improvements in the prior art.
Disclosure of Invention
For solving current hydraulic turbine runner circularity measurement mode and having inefficiency, time limit for a project long, influenced big scheduling problem by measurement personnel technical level, the utility model provides a hydraulic turbine runner circularity measurement device.
The utility model discloses a following technical scheme: the utility model provides a hydraulic turbine runner roundness measuring device, including the hydraulic turbine pivot, locate the hydraulic turbine runner of hydraulic turbine pivot bottom, the cover is equipped with the swivel mount that connects with it in its slip in the hydraulic turbine pivot, be equipped with the horizontal telescopic link that the percentage table was established to a plurality of front ends on the swivel mount, make a plurality of percentage tables connect with hydraulic turbine runner mutually, and a plurality of horizontal telescopic links locate the different positions of swivel mount, and be equipped with babbit tile between swivel mount and hydraulic turbine pivot combination department, so that the swivel mount is at the rotatory in-process in along the hydraulic turbine pivot, establish the horizontal telescopic link of percentage table through a plurality of front ends, measure the circularity of hydraulic turbine runner simultaneously, in order to improve measurement of efficiency, satisfy hydraulic turbine runner roundness detection demand, through babbit tile, prevent to take place the friction between swivel mount and the hydraulic turbine pivot, cause wearing and tearing to the hydraulic turbine pivot when avoiding the swivel mount to rotate.
The swivel mount is located hydraulic turbine epaxial annular shaft sleeve including the cover, annular shaft sleeve outside symmetry is equipped with the left side of outside horizontal extension, right side horizontal beam, a left side, right side horizontal beam outer end all is equipped with downwardly extending's perpendicular grudging post, a plurality of horizontal telescopic links press from both sides on corresponding perpendicular grudging post through conventional anchor clamps activity, and set up along perpendicular grudging post top-down interval, so that make the swivel mount rotate around the hydraulic turbine pivot through annular shaft sleeve, thereby the percentage table that drives horizontal telescopic link and front end together is rotatory around the hydraulic turbine pivot, accomplish the detection to hydraulic turbine runner circularity.
The annular shaft sleeve is formed by combining two identical semicircular rings, a first shaft hole matched and connected with a rotating shaft of the water turbine is formed in the center of the annular shaft sleeve, an annular supporting plate is arranged at the bottom of the annular shaft sleeve and formed by combining two identical semicircular rings, a second shaft hole matched and connected with the rotating shaft of the water turbine is formed in the center of the annular supporting plate, the outer diameter of the annular supporting plate is consistent with that of the annular shaft sleeve, a circle of groove is arranged below the second shaft hole of the annular supporting plate and is matched and connected with a boss arranged on the rotating shaft of the water turbine, an annular clamping plate is connected to the bottom of the annular supporting plate through a screw, the annular clamping plate is formed by combining the two identical semicircular rings, a third shaft hole matched and connected with the rotating shaft of the water turbine is formed in the center of the annular clamping plate, the outer diameter of the annular clamping plate is smaller than that of the annular supporting plate and larger than that of the boss, the annular supporting plate and the annular shaft sleeve are clamped on the rotating shaft of the water turbine from the upper side and the lower side respectively, and the rotating frame is arranged on the rotating shaft of the water turbine, and the whole device is convenient to install and dismantle.
The two same semicircular rings and the two same semicircular ring plates are connected into an annular shaft sleeve, an annular supporting plate and an annular clamping plate through bolts and nuts so as to be convenient to install and dismantle.
The babbitt metal tile is positioned at the axial position between the annular shaft sleeve and the water turbine rotating shaft and the radial position between the annular shaft sleeve and the annular supporting plate, so that the friction force between the annular shaft sleeve and the water turbine rotating shaft and between the annular shaft sleeve and the annular supporting plate is reduced through the babbitt metal tile, and the wear resistance is ensured.
The horizontal telescopic rod is a conventional sleeve type telescopic rod, the outer end of the horizontal telescopic rod is movably connected with the rotating frame through the clamp, the inner end of the horizontal telescopic rod is connected with the dial indicator, and the dial indicator is matched and connected with the rotating wheel of the water turbine so as to drive the dial indicator to rotate around the rotating wheel of the water turbine through the rotating frame, thereby measuring the roundness of the rotating wheel.
The utility model has the advantages of the following and the effect: adopt above-mentioned scheme, can conveniently establish the horizontal telescopic link of percentage table through a plurality of front ends at the rotatory in-process of swivel mount along hydraulic turbine pivot, measure the circularity of hydraulic turbine runner simultaneously to improve detection efficiency, satisfy hydraulic turbine runner circularity detection demand, through babbitt metal tile, prevent to take place the friction between swivel mount and the hydraulic turbine pivot, cause wearing and tearing to the hydraulic turbine pivot when avoiding the swivel mount to rotate. Is an ideal measuring device.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a top view of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The utility model provides a hydraulic turbine runner circularity measuring device, including hydraulic turbine pivot 11, locate hydraulic turbine runner 1 of hydraulic turbine pivot 11 bottom, the cover is equipped with swivel mount 13 that connects with it in the slip on the hydraulic turbine pivot 11, be equipped with horizontal telescopic link 12 that percentage table 2 was established to a plurality of front ends on the swivel mount 13, make a plurality of percentage tables 2 connect with hydraulic turbine runner 1 mutually, and a plurality of horizontal telescopic link 12 locate the different positions of swivel mount 3, and be equipped with babbitt metal tile 6 between swivel mount 13 and hydraulic turbine pivot 11 junction, so that swivel mount 13 is in the rotatory in-process along hydraulic turbine pivot 11, establish horizontal telescopic link 12 of percentage table 2 through a plurality of front ends, measure the circularity of hydraulic turbine runner simultaneously, in order to improve measurement efficiency, satisfy hydraulic turbine runner 1 circularity detection demand, through babbitt metal tile 6's application, prevent to take place the friction between swivel mount 13 and hydraulic turbine pivot 11, cause wearing and tearing to hydraulic turbine pivot 11 when avoiding swivel mount 13 to rotate;
the rotating frame 13 comprises an annular shaft sleeve 5 sleeved on the water turbine rotating shaft 11, a left horizontal beam 4 and a right horizontal beam 4 which extend outwards and horizontally are symmetrically arranged on the outer side of the annular shaft sleeve 5, vertical frames 3 which extend downwards are respectively arranged at the outer ends of the left horizontal beam 4 and the right horizontal beam 4, a plurality of horizontal telescopic rods 12 are movably clamped on the corresponding vertical frames 3 through conventional clamps and are arranged at intervals from top to bottom along the vertical frames 3, so that the rotating frame 13 rotates around the water turbine rotating shaft 11 through the annular shaft sleeve 5, and the horizontal telescopic rods 12 and the dial indicator 2 at the front end of the horizontal telescopic rods are driven to rotate around the water turbine rotating shaft 11 together, and the detection of the roundness of the water turbine rotating wheel is completed;
the annular shaft sleeve 5 is formed by combining two same semicircular rings, the center of the annular shaft sleeve is provided with a first shaft hole matched and connected with a water turbine rotating shaft 11, the bottom of the annular shaft sleeve 5 is provided with an annular supporting plate 9, the annular supporting plate 9 is formed by combining two same semicircular rings, the center of the annular supporting plate is provided with a second shaft hole matched and connected with the water turbine rotating shaft 11, the outer diameter of the annular supporting plate 9 is consistent with that of the annular shaft sleeve 5, a circle of groove is arranged below the second shaft hole of the annular supporting plate 9 and is matched and connected with a boss 10 arranged on the water turbine rotating shaft 11, the bottom of the annular supporting plate 9 is connected with an annular clamping plate 7 through a screw 8, the annular clamping plate 7 is formed by combining two same semicircular rings, the center of the annular clamping plate is provided with a third shaft hole matched and connected with the water turbine rotating shaft 11, the outer diameter of the annular clamping plate 7 is smaller than that of the annular supporting plate 9 and larger than that of the boss 10, so that the annular supporting plate 9 and the annular clamping plate 7 are clamped on the boss 10 of the water turbine rotating shaft 11 from the upper side and the lower side respectively, and further supports, fixes the annular shaft sleeve 5 and a rotating frame 13 on the rotating shaft 11, and the water turbine rotating shaft 11, and the whole device is convenient to install and dismantle through the two same semicircular rings;
the two same semicircular rings and the two same semicircular ring plates are connected into an annular shaft sleeve 5, an annular supporting plate 9 and an annular clamping plate 7 through bolts and nuts 12;
the babbitt metal tile 6 is a conventional product and is positioned between the axial position between the annular shaft sleeve 5 and the water turbine rotating shaft 11 and the radial position between the annular shaft sleeve 5 and the annular support plate 9, so that the friction force between the annular shaft sleeve 5 and the water turbine rotating shaft 5 and the annular support plate 9 is eliminated through the babbitt metal tile 6, and the water turbine rotating shaft 5 is prevented from being abraded;
the horizontal telescopic rod 12 is a conventional sleeve type telescopic rod, the outer end of the horizontal telescopic rod is movably connected with the rotating frame 13 through a conventional clamp, the inner end of the horizontal telescopic rod is connected with the dial indicator 2, and the dial indicator 2 is matched and connected with the water turbine rotating wheel 1 so as to drive the dial indicator 2 to rotate around the water turbine rotating wheel 1 through the rotating frame 13, thereby completing the measurement of the roundness of the water turbine rotating wheel 1.
Claims (6)
1. The utility model provides a hydraulic turbine runner circularity measuring device, includes the hydraulic turbine pivot, locates the hydraulic turbine runner of hydraulic turbine pivot bottom, and the cover is equipped with the swivel mount that connects with it slip on its characterized in that hydraulic turbine pivot, is equipped with the horizontal telescopic rod that the percentage table was established to a plurality of front ends on the swivel mount, makes a plurality of percentage tables and hydraulic turbine runner match and connects to the different positions of swivel mount are located to a plurality of horizontal telescopic rods, and are equipped with the babbitt metal tile between swivel mount and hydraulic turbine pivot combination department.
2. The roundness measuring device for the turning wheel of the hydraulic turbine as claimed in claim 1, wherein the rotating frame includes an annular shaft sleeve sleeved on the rotating shaft of the hydraulic turbine, the outer side of the annular shaft sleeve is symmetrically provided with a left horizontal beam and a right horizontal beam extending horizontally outwards, the outer ends of the left horizontal beam and the right horizontal beam are provided with vertical stands extending downwards, and the plurality of horizontal telescopic rods are movably clamped on the corresponding vertical stands through a conventional clamp and are arranged at intervals from top to bottom along the vertical stands.
3. The roundness measuring apparatus of the runner of the hydraulic turbine according to claim 2, wherein the annular bushing is formed by combining two identical semicircular rings, a first shaft hole matched with the rotating shaft of the hydraulic turbine is formed in the center of the annular bushing, an annular support plate is arranged at the bottom of the annular bushing, the annular support plate is formed by combining two identical semicircular rings, a second shaft hole matched with the rotating shaft of the hydraulic turbine is formed in the center of the annular support plate, the outer diameter of the annular support plate is identical to the outer diameter of the annular bushing, a circle of groove is arranged below the second shaft hole of the annular support plate, the groove is matched with a boss arranged on the rotating shaft of the hydraulic turbine, an annular clamping plate is connected to the bottom of the annular support plate through a screw, the annular clamping plate is formed by combining two identical semicircular rings, a third shaft hole matched with the rotating shaft of the hydraulic turbine is formed in the center of the annular clamping plate, and the outer diameter of the annular clamping plate is smaller than that of the annular support plate and larger than that of the boss.
4. The roundness measuring apparatus of the runner of the hydraulic turbine according to claim 3, wherein the two identical semicircular rings and the two identical semicircular ring plates are connected by bolts and nuts to form an annular shaft sleeve, an annular support plate and an annular clamping plate.
5. The turbine runner roundness measuring apparatus of claim 1, wherein the babbitt metal tiles are located at an axial position between the annular boss and the turbine rotating shaft, and at a radial position between the annular boss and the annular support plate.
6. The roundness measuring device for the water turbine runner according to claim 1, wherein the outer end of the horizontal telescopic rod is movably connected with the rotating frame through a clamp, the inner end of the horizontal telescopic rod is connected with a dial indicator, and the dial indicator is connected with the water turbine runner in a matching manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221259742.2U CN218646216U (en) | 2022-05-25 | 2022-05-25 | Roundness measuring device for rotating wheel of water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221259742.2U CN218646216U (en) | 2022-05-25 | 2022-05-25 | Roundness measuring device for rotating wheel of water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218646216U true CN218646216U (en) | 2023-03-17 |
Family
ID=85487971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221259742.2U Active CN218646216U (en) | 2022-05-25 | 2022-05-25 | Roundness measuring device for rotating wheel of water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218646216U (en) |
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2022
- 2022-05-25 CN CN202221259742.2U patent/CN218646216U/en active Active
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