CN223376545U - Roundness measuring device for water turbine rotor - Google Patents
Roundness measuring device for water turbine rotorInfo
- Publication number
- CN223376545U CN223376545U CN202422936644.3U CN202422936644U CN223376545U CN 223376545 U CN223376545 U CN 223376545U CN 202422936644 U CN202422936644 U CN 202422936644U CN 223376545 U CN223376545 U CN 223376545U
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- China
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- measuring
- movable
- measuring rod
- ruler
- rod
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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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- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model discloses a roundness measuring device of a water turbine rotor, which comprises a V-shaped measuring frame, wherein the V-shaped measuring frame comprises a first measuring rod, a second measuring rod, a connecting shaft, a movable measuring transverse ruler and a rotary measuring ruler, one end of the first measuring rod is rotationally connected with one end of the second measuring rod through the connecting shaft, the movable measuring transverse ruler is arranged above the first measuring rod and the second measuring rod, a movable screw I is arranged on the first measuring rod, one end of the movable screw I penetrates through the movable measuring transverse ruler and then is connected with the upper end face of the first measuring rod, a movable screw II is arranged on the second measuring rod, one end of the movable screw II penetrates through the movable measuring transverse ruler and then is connected with the upper end face of the second measuring rod, one end of the rotary measuring ruler is rotationally connected with the upper end face of the movable measuring transverse ruler, pressure point sensing plates are respectively arranged on the first measuring rod and the second measuring rod, and the pressure point sensing plates are fixedly connected with the first measuring rod and the second measuring rod respectively. The roundness measuring device has the beneficial effect that the roundness measuring device can measure the roundness of the large-sized water turbine rotor in a plurality of places.
Description
Technical Field
The utility model relates to the related technical field of water turbine component testing equipment, in particular to a roundness measuring device for a water turbine rotor.
Background
The hydraulic turbine rotor consists of a rotating shaft, a bracket, a magnetic yoke, magnetic poles, a current collector and the like, and is used for generating a magnetic field, converting energy and transmitting torque. The roundness of the rotor of the water turbine needs to be qualified to drive the water turbine better, but the rotor of a general large-sized water turbine can be larger and heavier, the roundness is very difficult to measure, or the roundness can not be measured in time during secondary measurement, and the occasion of roundness measurement is limited.
Chinese patent publication No. CN204359252U, a hydro-generator rotor roundness measuring device that publication date of authority is 2015, 5 month and 27 days is disclosed, including balancing weight (1) and measurement arm subassembly (3) of taking percentage table (2), roundness measuring device still includes pivot (4) be provided with cylindric bearing body (5) on pivot (4), balancing weight (1) with measurement arm subassembly (3) symmetry sets up on the outer wall of bearing body (5) the lower extreme of pivot (4) is connected with the up end of rotor main shaft (6) through positioner. The utility model has the advantages of simple structure and convenient use, can be conveniently installed, ensures that the rotation is smoother, and can also carry out more accurate measurement. The utility model has the defect that the roundness measuring place of the large-sized water turbine rotor is limited.
Disclosure of utility model
The utility model provides a roundness measuring device for a large-sized water turbine rotor, which can measure the roundness of the large-sized water turbine rotor in a plurality of places in order to overcome the defect that the roundness measuring place of the large-sized water turbine rotor is limited in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a hydraulic turbine rotor roundness measuring equipment, includes V type measurement frame, V type measurement frame includes measuring stick one, measuring stick two, connecting axle, activity measurement cross ruler and rotation dipperstick, the one end of measuring stick one is passed through the connecting axle and is rotated with the one end of measuring stick two and is connected, the top of measuring stick one and measuring stick two is arranged in to the activity measurement cross ruler, be equipped with movable screw one on the measuring stick one, the one end of movable screw one passes behind the activity measurement cross ruler and is connected with the up end of measuring stick one, be equipped with movable screw two on the measuring stick, the one end of activity screw two passes behind the activity measurement cross ruler and is connected with the up end of measuring stick two, the one end of rotation measurement cross ruler rotates with the up end of activity measurement cross ruler to be connected, all be equipped with pressure point sensing board on the side that measuring stick one and measuring stick two are opposite, pressure point sensing board respectively with measuring stick one and measuring stick two fixed connection.
When the measuring device is used, the first measuring rod and the second measuring rod of the V-shaped measuring frame are opened by taking the connecting shaft as the center, then the outer side face of the rotor is propped against the pressure point sensing plates of the first measuring rod and the second measuring rod, then the movable measuring transverse ruler is rotated by taking the movable screw I as the shaft, the movable measuring transverse ruler is connected with the movable screw II after being tangent to the outer circle of the rotor, so that a size can be obtained, the roundness of the rotor is ensured to be consistent, the positions of the first measuring rod and the second measuring rod tangent to the rotor are calculated again by selecting a plurality of points, the positions of the contact points of the pressure point sensing plates can be uploaded to a computer, the calculation is more accurate, the movable measuring transverse ruler is used as an attached component, the movable measuring transverse ruler can be used for other measurements, and the simple measuring device can measure the roundness of the rotor in more places.
Preferably, the connecting shaft is provided with a fixing nut, the fixing nut is arranged below the first measuring rod and the second measuring rod, and the fixing nut is in threaded connection with the lower end of the connecting shaft. The fixing nut can lock the first measuring rod and the second measuring rod, so that the first measuring rod and the second measuring rod are conveniently fixed at an angle.
Preferably, the first measuring rod and the second measuring rod are respectively provided with a sliding groove and a movable hexagonal nut, the sliding grooves are respectively arranged on the upper end faces of the first measuring rod and the second measuring rod and are communicated with one ends of the first measuring rod and the second measuring rod, which are far away from the connecting shafts, the movable hexagonal nuts are arranged in the sliding grooves, two sides of the sliding grooves are respectively provided with a crosspiece, the crosspiece is respectively fixedly connected with two side faces of the sliding grooves, the crosspiece is arranged above the movable hexagonal nuts, the movable hexagonal nuts are connected with the sliding grooves in a clamping mode through the crosspiece, and the first movable screws and the second movable screws respectively penetrate through the movable measuring transverse ruler and the movable hexagonal nuts and then are in contact with the inner bottom faces of the sliding grooves. The movable hexagonal nut can move in the sliding groove, the position of the movable measuring transverse ruler is convenient to adjust, and the crosspiece can block the movable hexagonal nut.
Preferably, the first movable screw is provided with a baffle ring, the baffle ring surrounds the outer side surface of the first movable screw and is fixedly connected with the outer side surface of the fixed screw, the upper end surface of the baffle ring is contacted with the lower end surface of the movable measuring transverse ruler, the movable measuring transverse ruler is provided with a through hole, and the first movable screw and the second movable screw respectively penetrate through the through hole and the movable hexagon nut and then are contacted with the inner bottom surface of the sliding groove. The baffle ring can raise and fix the height of the movable measuring transverse ruler, and the through holes can enable the movable screws to adjust the positions.
Preferably, a rotating shaft is arranged at one end of the rotation measuring ruler, and the rotating shaft is contacted with the upper end face of the movable measuring transverse ruler after penetrating through one end of the rotation measuring ruler. The rotating shaft can enable the movable measuring rotor outer ring of the rotary measuring ruler to be tangent to the movable measuring transverse ruler, and the distance between the position and the connecting shaft is convenient to calculate.
Preferably, the upper end face of the first measuring rod and the upper end face of the second measuring rod are respectively provided with a scale mark, and the scale marks correspond to the pressure point sensing plate. The scale marks are convenient and visual for seeing the size of the tangential position of the pressure point sensing plate and the excircle of the rotor, and the calculation is convenient.
The movable measuring transverse ruler has the advantages that roundness measurement can be achieved on large-sized hydraulic turbine rotors at multiple places, the fixed nuts can lock the first measuring rod and the second measuring rod, the first measuring rod and the second measuring rod are conveniently fixed at an angle, the movable hexagonal nuts can move in the sliding grooves, the positions of the movable measuring transverse ruler can be conveniently adjusted, the crosspieces can block the movable hexagonal nuts, the retaining ring can raise and fix the height of the movable measuring transverse ruler, the through holes can enable the second movable screws to adjust the positions, the rotating shaft can enable the positions, tangential to the movable measuring transverse ruler, of the outer ring of the measuring rotor, of the rotating measuring ruler to be conveniently calculated, and the scales can conveniently and intuitively see the sizes of the positions, tangential to the outer circle of the rotor, of the pressure point sensing plate, so that the measuring device is convenient to calculate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a cross-sectional view of A-A of FIG. 2;
FIG. 4 is a cross-sectional view of B-B of FIG. 2;
Fig. 5 is a cross-sectional view of C-C of fig. 2.
In the figure, a measuring rod I, a measuring rod II, a connecting shaft II, a fixed nut 4, a movable measuring transverse ruler 5, a rotary measuring ruler 6, a movable screw I, a movable screw II, a sliding groove 9, a crosspiece 10, a movable hexagonal nut 11, a baffle ring 12, a through hole 13, a rotary shaft 14, a scale mark 15 and a pressure point sensing plate 16 are shown.
Detailed Description
The utility model is further described below with reference to the drawings and detailed description.
In the embodiment shown in fig. 1 to 3, a roundness measuring device for a water turbine rotor comprises a V-shaped measuring frame, wherein the V-shaped measuring frame comprises a measuring rod I1, a measuring rod II 2, a connecting shaft 3, a movable measuring transverse ruler 5 and a rotary measuring ruler 6, one end of the measuring rod I1 is rotationally connected with one end of the measuring rod II 2 through the connecting shaft 3, the movable measuring transverse ruler 5 is arranged above the measuring rod I1 and the measuring rod II 2, a movable screw I7 is arranged on the measuring rod I1, one end of the movable screw I7 penetrates through the movable measuring transverse ruler 5 and then is connected with the upper end face of the measuring rod I1, a movable screw II 8 is arranged on the measuring rod II 2, one end of the movable screw II 8 penetrates through the movable measuring transverse ruler 5 and then is connected with the upper end face of the measuring rod II 2, one end of the rotary measuring ruler 6 is rotationally connected with the upper end face of the movable measuring transverse ruler 5, pressure point sensing plates 16 are respectively arranged on opposite sides of the measuring rod I1 and the measuring rod II 2, and the pressure point sensing plates 16 are fixedly connected with the measuring rod I and the measuring rod II 2 respectively.
As shown in fig. 3, a fixing nut 4 is arranged on the connecting shaft 3, the fixing nut 4 is arranged below the first measuring rod 1 and the second measuring rod 2, and the fixing nut 4 is in threaded connection with the lower end of the connecting shaft 3.
As shown in fig. 1 to 5, the first measuring rod 1 and the second measuring rod 2 are respectively provided with a sliding groove 9 and a movable hexagonal nut 11, the sliding grooves 9 are respectively arranged on the upper end faces of the first measuring rod 1 and the second measuring rod 2 and are communicated with one end of the connecting shaft 3 far away from the first measuring rod 1 and the second measuring rod 2, the movable hexagonal nuts 11 are arranged in the sliding grooves 9, two sides of the sliding grooves 9 are respectively provided with a crosspiece 10, the crosspiece 10 is respectively fixedly connected with two side faces of the sliding grooves 9, the crosspiece 10 is arranged above the movable hexagonal nuts 11, the movable hexagonal nuts 11 are clamped with the sliding grooves 9 through the crosspiece 10, and the first movable screws 7 and the second movable screws 8 respectively pass through the movable measuring transverse ruler 5 and the movable hexagonal nuts 11 and then are contacted with the inner bottom faces of the sliding grooves 9.
As shown in fig. 4, a baffle ring 12 is arranged on the movable screw 7, the baffle ring 12 surrounds the outer side surface of the movable screw 7 and is fixedly connected with the outer side surface of the fixed screw, the upper end surface of the baffle ring 12 is contacted with the lower end surface of the movable measuring transverse ruler 5, a through hole 13 is arranged on the movable measuring transverse ruler 5, and the movable screw 7 and the movable screw 8 respectively pass through the through hole 13 and the movable hexagon nut 11 and then are contacted with the inner bottom surface of the sliding groove 9.
As shown in fig. 1, 2, 3 and 5, a rotating shaft 14 is arranged at one end of the rotation measuring ruler 6, and the rotating shaft 14 passes through one end of the rotation measuring ruler 6 and then contacts with the upper end face of the movable measuring transverse ruler 5.
As shown in fig. 1 and 2, the upper end surface of the first measuring rod 1 and the upper end surface of the second measuring rod 2 are respectively provided with a scale mark 15, and the scale marks 15 correspond to the pressure point sensing plate 16.
When the measuring device is used, the first measuring rod 1 and the second measuring rod 2 of the V-shaped measuring frame are opened by taking the connecting shaft 3 as the center, then the outer side surface of the rotor is propped against the pressure point sensing plate 16 of the first measuring rod 1 and the second measuring rod 2, then the angle between the first measuring rod 1 and the second measuring rod 2 is fixed by the fixing nut 4, then the movable hexagonal nut 11 on the first movable screw 7 is clamped between the sliding groove 9 and the crosspiece 10, the movable screw 7 is used as the shaft to rotate the movable measuring diaphragm 5, the movable measuring diaphragm 5 rotates and passes through the through hole 13 by the movable screw 8 after being tangential to the excircle of the rotor, then the baffle ring 12 on the first movable screw 7 can enable the movable measuring diaphragm 5 to have a stable height, the rotary shaft 14 can enable the position of the movable measuring diaphragm 6 to be movable and measure the distance between the tangent position of the outer ring of the rotor and the movable measuring diaphragm 5 and the connecting shaft 3, then the roundness dimension can be calculated, the position of the movable hexagonal nut 2 and the rotor can be used for calculating the multiple points of the rotor to be used as the measuring point sensing plate of the rotor, the measuring position of the movable measuring diaphragm 16 can be more than the position of the rotor can be more conveniently placed on the places, and the measuring device can be used for measuring the position of the rotor can be more accurately and can be used for measuring the position and more than the position of the measuring device.
Claims (6)
1. The utility model provides a hydraulic turbine rotor roundness measurement device, its characterized in that, includes V type measurement frame, V type measurement frame is including measuring stick one (1), measuring stick two (2), connecting axle (3), activity measurement cross ruler (5) and rotation measurement chi (6), the one end of measuring stick one (1) is passed through connecting axle (3) and is connected with the one end rotation of measuring stick two (2), the top of measuring stick one (1) and measuring stick two (2) is arranged in to activity measurement cross ruler (5), be equipped with movable screw one (7) on measuring stick one (1), the one end of movable screw one (7) is passed behind movable measurement cross ruler (5) and is connected with the up end of measuring stick one (1), be equipped with movable screw two (8) on measuring stick two (2), the one end of movable screw two (8) is passed behind movable measurement cross ruler (5) and is connected with the up end of measuring stick two (2), one end and movable measurement cross ruler (5) are arranged in measuring stick one and are connected with the up end rotation of two (2), and are equipped with two pressure sensing point (16) on measuring stick two (16) and two opposite pressure sensing plates (16) respectively.
2. The roundness measuring device for the water turbine rotor according to claim 1, wherein a fixing nut (4) is arranged on the connecting shaft (3), the fixing nut (4) is arranged below the first measuring rod (1) and the second measuring rod (2), and the fixing nut (4) is in threaded connection with the lower end of the connecting shaft (3).
3. The roundness measuring device for the water turbine rotor according to claim 1, wherein the first measuring rod (1) and the second measuring rod (2) are respectively provided with a sliding groove (9) and a movable hexagonal nut (11), the sliding groove (9) is respectively arranged on the upper end faces of the first measuring rod (1) and the second measuring rod (2) and is communicated with one end of a connecting shaft (3) far away from the first measuring rod (1) and the second measuring rod (2), the movable hexagonal nut (11) is arranged in the sliding groove (9), two sides of the sliding groove (9) are respectively provided with a crosspiece (10), the crosspiece (10) is respectively fixedly connected with two side faces of the sliding groove (9), the crosspiece (10) is arranged above the movable hexagonal nut (11), the movable hexagonal nut (11) is clamped with the sliding groove (9) through the crosspiece (10), and the first movable screw (7) and the second movable screw (8) respectively penetrate through the movable measuring transverse ruler (5) and the movable hexagonal nut (11) and then are contacted with the bottom face of the sliding groove (9).
4. The roundness measuring device for the rotor of the water turbine according to claim 3, wherein the first movable screw (7) is provided with a baffle ring (12), the baffle ring (12) surrounds the outer side surface of the first movable screw (7) and is fixedly connected with the outer side surface of the fixed screw, the upper end surface of the baffle ring (12) is contacted with the lower end surface of the movable measuring transverse ruler (5), the movable measuring transverse ruler (5) is provided with a through hole (13), and the first movable screw (7) and the second movable screw (8) respectively penetrate through the through hole (13) and the movable hexagonal nut (11) and then are contacted with the inner bottom surface of the sliding groove (9).
5. The roundness measuring device of the water turbine rotor according to claim 1, wherein a rotating shaft (14) is arranged at one end of the rotation measuring ruler (6), and the rotating shaft (14) passes through one end of the rotation measuring ruler (6) and then contacts with the upper end face of the movable measuring transverse ruler (5).
6. The roundness measuring device for the water turbine rotor according to claim 1, wherein scale marks (15) are arranged on the upper end face of the first measuring rod (1) and the upper end face of the second measuring rod (2), and the scale marks (15) correspond to the pressure point sensing plates (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422936644.3U CN223376545U (en) | 2024-11-29 | 2024-11-29 | Roundness measuring device for water turbine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422936644.3U CN223376545U (en) | 2024-11-29 | 2024-11-29 | Roundness measuring device for water turbine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223376545U true CN223376545U (en) | 2025-09-23 |
Family
ID=97097622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422936644.3U Active CN223376545U (en) | 2024-11-29 | 2024-11-29 | Roundness measuring device for water turbine rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223376545U (en) |
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2024
- 2024-11-29 CN CN202422936644.3U patent/CN223376545U/en active Active
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