CN210128700U - Special measuring tool for generator stator and rotor clearance - Google Patents
Special measuring tool for generator stator and rotor clearance Download PDFInfo
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- CN210128700U CN210128700U CN201921079755.XU CN201921079755U CN210128700U CN 210128700 U CN210128700 U CN 210128700U CN 201921079755 U CN201921079755 U CN 201921079755U CN 210128700 U CN210128700 U CN 210128700U
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Abstract
The utility model relates to the technical field of measuring tools, in particular to a special measuring tool for the clearance between a stator and a rotor of a generator, which comprises a measuring mechanism and an auxiliary measuring mechanical part, wherein the measuring accuracy is influenced due to the fact that the end part of the rotor is convex, a concave rotor measuring groove is fixedly arranged, the end part of the rotor is convex when the measuring is conveniently solved, a rotating handle is rotated, a measuring cylinder is fixed, the measuring tool is drawn out, infrared distance measurement is carried out by arranging an infrared distance measuring instrument, the error in manual measurement can be reduced, and the measuring precision can be improved to one wire unit; the touch screen control display is arranged, so that the manual operation is simple, the data of the infrared distance measuring instrument is directly displayed in the touch screen control display, the measured data is more visual, the reading error caused by the use of a vernier caliper during measurement is prevented, and the gap value between the stator and the rotor is equal to the length of the fixed base plus the length of the movable extending part.
Description
Technical Field
The utility model relates to a measuring tool technical field, in particular to special measuring tool utensil in generator stator and rotor clearance.
Background
The generator generally comprises a stator, a rotor, an end cover and a bearing. The bearing and the end cover connect and assemble the stator and the rotor, so that the rotor can rotate in the stator and do the motion of cutting magnetic lines of force, thereby generating induction potential. The gap between the stator and the rotor of the generator is one of the important parameters of the generator. If the gap is not uniform, the generator is unstable in operation and is easy to vibrate; if the gap is too large, the exciting current is increased, and the efficiency of the generator is too low; if the gap is too small, polarization is likely to occur, and if the gap is too small, excessive torque is generated, and the rotor is damaged. In actual measurement, 8 points including the 12-point position, the 6-point position, the 9-point position and the 3-point position are measured on the upper side, the lower side, the left side and the right side of the turbine side and the exciter side. The stator and rotor clearance measuring tool that is adopted at present is mostly split type, needs slide caliper cooperation in the measurement process. In the use process, in order to reduce the error of secondary measurement, three times of measurement are needed to be carried out on each point, and the average number is taken, so that the gap at the position can be measured by multiple times of adjustment. Generally, a skilled worker needs 5 to 8 hours to measure the gap between the stator and the rotor of the generator, and during the measurement process, the measured value is likely to be deviated due to the fact that the tool moves back and forth in the stator for multiple times, and large errors are caused. Because the types of the generators are different, the gap between the stator and the rotor is different from 30mm to 120mm, and the fixed base at the end part of the measuring tool is also different from 20mm to 90mm, so that the measuring tool cannot be commonly used for all the generators;
the measuring method in the field of air gap measurement mainly comprises two measuring methods, namely, a method of using bakelite plates with different thicknesses as plug gauges is adopted to measure four points or six points, wherein the contact condition of the bakelite plates and the position of the measured gap length are not easy to know in the measurement process by the method, repeated measurement is needed, multiple calculations are carried out, the measurement error is large, and the data reliability is low; secondly, a long rod top jackscrew measuring head is adopted for measuring, the long rod is inserted into an air gap of a stator and a rotor of the generator, but the actual position inside the stator and the rotor cannot be seen, the jackscrew measuring head is adjusted by micro motion only by depending on intuition and experience of an operator, the jackscrew measuring head is locked by a screw after the jackscrew measuring head is properly sensed to reach the measuring position, the long rod is taken out, and the size of the jackscrew head is measured by a micrometer caliper;
when the current generator overhauls, when measuring generator stator rotor clearance, because rotor tip is protruding, influence measuring accuracy, this special measuring tool of special preparation, convenient measurement, can not take one's place the regulation automatically, measurement accuracy is low, measuring error can not be reduced, can not prevent that manual operation from damaging stator rotor, no infrared distance meter, error when can not reduce manual measurement, no touch screen control display, can't realize manual operation simply, measured data is more unintuitive, can not prevent to prevent the reading error when measuring through using vernier caliper, no measurement searchlight, can't throw light on generator inside when measuring, discover the inside problem of its rotor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special measurement multiplexer utensil in generator stator and rotor clearance, when solving the generator and overhauing in the above-mentioned background art, when measuring generator stator and rotor clearance, because the rotor tip is protruding, influence the measuring accuracy, this special measuring tool of special preparation, convenient measurement, can not take one's place automatically and adjust, measurement accuracy is low, measuring error and the artificial operation damage stator and rotor of having reduced, no infrared distance meter, the error when unable reduction manual measurement, no touch screen control display, can not realize manual operation simple, measured data is more unintuitive, can not prevent to prevent the reading error when measuring through using vernier caliper, no measurement searchlight, can't throw light on generator inside when measuring, discover the inside problem of its rotor.
In order to achieve the above object, the utility model provides a following technical scheme: the special measuring tool for the gap between the stator and the rotor of the generator comprises a measuring mechanism and an auxiliary measuring mechanical piece, wherein the end measuring mechanism comprises a measuring cylinder, a movable positioning rod, an infrared distance meter and a concave rotor measuring groove; the tail end of the measuring cylinder is fixedly provided with the concave rotor measuring groove, the left side of the concave rotor measuring groove is fixedly connected with the movable positioning rod, and the left side of the movable positioning rod is fixedly provided with the infrared distance meter;
the auxiliary measuring mechanical part comprises a rotating rod, a rotating handle, a measuring searchlight, a fixed platform and a touch screen control display; the rotary rod with measure cylinder fixed connection, the rotary rod with rotatory handle fixed connection, the front end fixed connection of rotatory handle has the fixed station, the place ahead fixed connection of fixed station has the measurement searchlight, the top fixed connection of fixed station has touch screen control display.
Preferably, the rotary rod and the rotary handle are fixedly connected with an elastic rubber layer, and a lubricant is sprayed on the outer wall of the elastic rubber layer.
Preferably, the measuring cylinder adopts a casting process and is tempered and hardened, and is polished by a polishing machine to measure the accuracy error by 0.01 mm.
Preferably, an abrasion-proof rubber ring is sleeved on the outer ring of the handle of the rotary handle and fixedly bonded and connected through M3 glue.
Preferably, the rotating rod and the rotating handle are provided with threads.
Preferably, the measuring range of the infrared distance meter is 10mm-180 mm.
Preferably, the touch screen control display is fixedly connected to the fixed table, and a rotating bearing is fixedly connected to the joint of the touch screen control display and the fixed table.
The utility model discloses a technological effect and advantage:
1. the measuring part can be automatically positioned and adjusted by arranging the movable positioning rod, so that the measuring precision is high, the measuring error is reduced, and the stator and the rotor are prevented from being damaged by manual operation;
2. by arranging the infrared distance measuring instrument, the error in manual measurement can be reduced, and the measurement precision can be improved to the unit of one wire;
3. the touch screen control display is arranged, so that the manual operation is simple, the data of the infrared distance meter is directly displayed in the touch screen control display, the measured data is more visual, and the reading error caused by the measurement by using the vernier caliper is prevented;
4. by arranging the measurement searchlight, the interior of the generator can be illuminated during measurement, and the problem in the rotor can be found;
5. when measuring generator stator and rotor clearance, because the rotor tip is protruding, influence the measuring accuracy, measure the groove through fixed being provided with concave type rotor, the bellied problem of rotor tip when conveniently solving the measurement.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a front view of the structure of the present invention.
Fig. 3 is a left side view of the structure of the present invention.
Fig. 4 is a top view of the structure of the present invention.
In the figure: 1. a measuring mechanism; 2. auxiliary measuring mechanical parts; 3. a measuring cylinder; 4. a movable positioning rod; 5. an infrared range finder; 6. a concave rotor measuring groove; 7. rotating the rod; 8. rotating the handle grip; 9. measuring the searchlight; 10. a fixed table; 11. the touch screen controls the display.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a special measuring tool for the clearance between the stator and the rotor of the generator as shown in figures 1-4, which comprises a measuring mechanism 1 and an auxiliary measuring mechanical part 2, wherein the end measuring mechanism 1 comprises a measuring cylinder 3, a movable positioning rod 4, an infrared distance measuring instrument 5 and a concave rotor measuring groove 6; a concave rotor measuring groove 6 is fixedly arranged at the tail end of the measuring cylinder 3, a movable positioning rod 4 is fixedly connected to the left side of the concave rotor measuring groove 6, and an infrared distance meter 5 is fixedly arranged on the left side of the movable positioning rod 4;
the auxiliary measuring mechanical part 2 comprises a rotating rod 7, a rotating handle 8, a measuring searchlight 9, a fixed platform 10 and a touch screen control display 11; the measuring column body 3 fixed connection of rotary rod 7 with, rotary rod 7 and rotatory handle 8 fixed connection, the front end fixedly connected with fixed station 10 of rotatory handle 8, the place ahead fixedly connected with of fixed station 10 measures searchlight 9, the top fixedly connected with touch screen control display 11 of fixed station 10.
As shown in fig. 3, the fixed concave rotor measuring groove 6 that is provided with in end of measuring cylinder 3, because the rotor tip is protruding, influence the measuring accuracy, measuring groove 6 is measured through fixed concave rotor that is provided with, the bellied problem of rotor tip when conveniently solving the measurement, the left side fixedly connected with movable positioning rod 4 of concave rotor measuring groove 6, the fixed infrared distance meter 5 that is provided with in left side of movable positioning rod 4, through being provided with infrared distance meter 5, error when can reducing the manual survey, its measuring accuracy can improve the unit to a silk.
Referring to fig. 1 and 2, the measuring cylinder 3 is fixedly connected with a rotating rod 7, the rotating rod 7 is fixedly connected with a rotating handle 8, the front end of the rotating handle 8 is fixedly connected with a fixing table 10, a front fixing connection of the fixing table 10 is provided with a measuring searchlight 9, the measuring searchlight 9 is arranged, the interior of the generator can be illuminated during measurement, a touch screen control display 11 is fixedly connected above the fixing table 10 for finding the problem inside the rotor, the touch screen control display 11 is arranged, manual operation is simple, data are directly displayed in the touch screen control display 11 through an infrared distance meter 5, the measured data are more visual, and reading errors during measurement through a vernier caliper are prevented.
Referring to fig. 2 and 3, a rotating rod 7 and a rotating handle 8 are fixedly connected with each other, an elastic rubber layer is fixedly arranged on the rotating connection, a lubricant is sprayed on the outer wall of the elastic rubber layer, a measuring cylinder 3 is processed by casting and tempering hardening, the measuring accuracy error is 0.01mm after polishing by a polishing machine, an anti-abrasion rubber ring is sleeved on the outer ring of the rotating handle 8 and is fixedly bonded and connected with the measuring cylinder by M3 glue, a touch screen control display 11 is fixedly connected with a fixed table 10, a rotating bearing is fixedly connected with the joint of the touch screen control display, the rotating rod 7 and the rotating handle are provided with threads on the rotating rod 7, the measuring range of an infrared distance measuring instrument 5 is 10mm-180mm, the measuring part can be automatically positioned and adjusted by arranging a movable positioning rod 4, the measuring accuracy is high, the measuring.
This practical theory of operation: before measurement, the measuring cylinder 3 of the end measuring device 1 is pressed back to the fixed base, and the measuring cylinder 3 is locked to be kept at a minimum value; during measurement, after a measuring tool is placed at an accurate position, the end part measuring cylinder 3 is unlocked, the movable positioning rod 4 is bounced through the control function of the touch screen control display 11, the measuring part can be automatically positioned and adjusted through the movable positioning rod 4, the measuring precision is high, the measuring error is reduced, the stator and the rotor are prevented from being damaged by manual operation, and after the rotor part is touched, the concave rotor measuring groove 6 fixedly arranged at the tail end of the measuring cylinder 3 props against the rotor to stop rising;
when the gap between the stator and the rotor of the generator is measured, the end part of the rotor is protruded to influence the measurement accuracy, the concave rotor measurement groove 6 is fixedly arranged to conveniently solve the problem that the end part of the rotor is protruded during measurement, then the rotating handle is rotated to fix the measurement cylinder 3, the measurement tool is drawn out, infrared ranging is carried out by arranging the infrared range finder 5, the error during manual measurement can be reduced, and the measurement accuracy can be improved to one wire unit;
the touch screen control display 11 is arranged, so that the manual operation is simple, the data of the infrared distance measuring instrument 5 are directly displayed in the touch screen control display 11, the measured data are more visual, the reading error caused by using a vernier caliper during measurement is prevented, and the gap value between the stator and the rotor is equal to the length of the fixed base plus the length of the movable extending part.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.
Claims (7)
1. Generator stator rotor clearance special measurement multiplexer utensil, including measuring mechanism (1), auxiliary measurement mechanical part (2), its characterized in that: the measuring mechanism (1) comprises a measuring cylinder (3), a movable positioning rod (4), an infrared distance meter (5) and a concave rotor measuring groove (6); the tail end of the measuring cylinder (3) is fixedly provided with the concave rotor measuring groove (6), the left side of the concave rotor measuring groove (6) is fixedly connected with the movable positioning rod (4), and the left side of the movable positioning rod (4) is fixedly provided with the infrared distance meter (5);
the auxiliary measuring mechanical part (2) comprises a rotating rod (7), a rotating handle (8), a measuring searchlight (9), a fixed platform (10) and a touch screen control display (11); rotary rod (7) with measure cylinder (3) fixed connection, rotary rod (7) with rotatory handle (8) fixed connection, the front end fixedly connected with of rotatory handle (8) fixed station (10), the place ahead fixedly connected with of fixed station (10) measure searchlight (9), the top fixedly connected with of fixed station (10) touch screen control display (11).
2. The special measuring tool for the gap between the stator and the rotor of the generator as claimed in claim 1, wherein: the rotary rod (7) and the rotary handle (8) are fixedly connected with an elastic rubber layer, and a lubricant is sprayed on the outer wall of the elastic rubber layer.
3. The special measuring tool for the gap between the stator and the rotor of the generator as claimed in claim 2, wherein: the measuring cylinder (3) adopts a casting process and is tempered and hardened, and the measuring precision error is 0.01mm after polishing treatment by a polishing machine.
4. The special measuring tool for the gap between the stator and the rotor of the generator as claimed in claim 3, wherein: an anti-abrasion rubber ring is sleeved on the outer ring of the rotating handle (8) and is fixedly bonded and connected through M3 glue.
5. The special measuring tool for the gap between the stator and the rotor of the generator as claimed in claim 4, wherein: the touch screen control display (11) is fixedly connected to the fixing table (10), and a rotating bearing is fixedly connected to the joint of the touch screen control display and the fixing table.
6. The special measuring tool for the gap between the stator and the rotor of the generator as claimed in claim 5, wherein: the rotary rod (7) and the rotary handle are provided with threads on the rotary rod (7).
7. The special measuring tool for the gap between the stator and the rotor of the generator as claimed in claim 6, wherein: the measuring range of the infrared distance meter (5) is 10mm-180 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921079755.XU CN210128700U (en) | 2019-07-11 | 2019-07-11 | Special measuring tool for generator stator and rotor clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921079755.XU CN210128700U (en) | 2019-07-11 | 2019-07-11 | Special measuring tool for generator stator and rotor clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210128700U true CN210128700U (en) | 2020-03-06 |
Family
ID=69665027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921079755.XU Expired - Fee Related CN210128700U (en) | 2019-07-11 | 2019-07-11 | Special measuring tool for generator stator and rotor clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210128700U (en) |
-
2019
- 2019-07-11 CN CN201921079755.XU patent/CN210128700U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200306 Termination date: 20200711 |