CN210773910U - Defect position measuring instrument for transformer substation - Google Patents
Defect position measuring instrument for transformer substation Download PDFInfo
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- CN210773910U CN210773910U CN201922031448.0U CN201922031448U CN210773910U CN 210773910 U CN210773910 U CN 210773910U CN 201922031448 U CN201922031448 U CN 201922031448U CN 210773910 U CN210773910 U CN 210773910U
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- 230000007547 defect Effects 0.000 title claims abstract description 29
- 238000005259 measurement Methods 0.000 abstract description 9
- 230000002950 deficient Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a transformer substation uses defect position measuring apparatu, include: the device comprises a first measuring instrument and a second measuring instrument, wherein the first measuring instrument and the second measuring instrument have the same structure and are fixedly connected with each other; the first measuring instrument and the second measuring instrument respectively comprise a tripod, and a desktop is fixed at the top of the tripod; the center position of the desktop is provided with a laser emitting device; the distance between the two laser emitting devices of the first measuring instrument and the second measuring instrument is fixed. The utility model discloses need not the direct measurement that can realize length and height to specific article of being close to the object, have stronger convenience and security. The utility model discloses improved traditional experience and judged the mode, can the quantitative description defective position, avoided the error of artifical judgement, the accuracy is higher.
Description
Technical Field
The utility model relates to a measuring tool technical field, in particular to transformer substation uses defect position measuring apparatu and measuring method.
Background
In high-voltage working environment such as transformer substation, when carrying out defect position judgement: in the conventional defect position judging process, the defect position is usually judged by adopting a naked eye mode. This kind of measurement needs to be judged through the photo, lacks the accurate judgement to the position, simultaneously through naked eye because of the difference of individual and angle, judges to have great error. Meanwhile, when the fine measurement is carried out, the age difference and the vision condition of workers are considered, and the objectivity is not provided. Meanwhile, most of equipment of the transformer substation is electrified, so that direct measurement is inconvenient. And inconvenience is brought to follow-up accurate positioning, maintenance and fault removal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transformer substation uses defect position measuring apparatu to solve above-mentioned technical problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
defect position measuring instrument for transformer substation includes: the device comprises a first measuring instrument and a second measuring instrument, wherein the first measuring instrument and the second measuring instrument have the same structure and are fixedly connected with each other;
the first measuring instrument and the second measuring instrument respectively comprise a tripod, and a desktop is fixed at the top of the tripod;
the center position of the desktop is provided with a laser emitting device;
the distance between the two laser emitting devices of the first measuring instrument and the second measuring instrument is fixed.
Furthermore, the laser emitting device comprises a servo motor and a laser pen which are fixed in a groove in the center of the desktop, the front end of an output shaft of the servo motor is provided with a hoop, and the front end of the laser pen is fixed in the hoop.
Further, the laser emitting point n of the laser pen is located on the axis of the output shaft of the servo motor.
Further, the axis of the output shaft is flush with the upper surface of the table top.
Furthermore, a protractor is arranged on the upper surface of the desktop; the circle center of the protractor is positioned on the axis of the output shaft of the servo motor.
Furthermore, the desktop of the first measuring instrument and the desktop of the second measuring instrument are fixedly connected and coplanar.
Further, the distance between the axis of the output shaft of the servo motor of the first measuring instrument and the axis of the output shaft of the servo motor of the second measuring instrument is fixed.
Further, the distance is 1m, 3m, or 5 m.
Further, a bubble level meter is arranged on the desktop.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a transformer substation uses defect position measuring apparatu need not directly to be close to the object and can realize having stronger convenience and security to the length and the measurement of height of specific article.
The traditional experience judgment mode is improved, the defect position can be described quantitatively, the error of manual judgment is avoided, and the accuracy is higher.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a defect position measuring instrument for a transformer substation according to the present invention;
FIG. 2 is a top view of the table top;
FIG. 3 is a side cross-sectional view of the desktop;
FIG. 4 is a schematic view of the servo motor and the laser pointer;
fig. 5 is a schematic view of the present invention during measurement.
Fig. 6 is a schematic structural view of embodiment 2.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention.
Example 1
Referring to fig. 1, the defect position measuring apparatus 1 for a transformer substation of the present invention includes a first measuring apparatus 11 and a second measuring apparatus 12, wherein the first measuring apparatus 11 and the second measuring apparatus 12 have the same structure and are fixedly connected to each other through a hard plate.
The first surveying instrument 11 comprises a tripod 110, on top of which tripod 110 a table top 111 is fixed. Three feet of the tripod 110 comprise two sections which are movably connected through bolts, and the length of the two sections can be independently adjusted, so that the level of the desktop 111 can be adjusted.
Referring to fig. 2, a bubble level 1110 is disposed on the tabletop 111. The center of the table top 111 is provided with a laser emitting device.
Referring to fig. 3 and 4, the laser emitting device includes a servo motor 113 and a laser pen 112 fixed in a central groove 1111 of the tabletop 111, a hoop 1132 is disposed at a front end of an output shaft 1131 of the servo motor 113, and a front end of the laser pen 112 is fixed in the hoop 1132; the laser emitting point n of the laser pen 112 is located on the axis of the output shaft 1131 of the servo motor 113, and when the servo motor 113 drives the laser pen 112 to rotate to adjust the emitting angle, the laser emitting point of the laser pen 112 is always located on the axis of the output shaft 1131.
The axis of the output shaft 1131 is flush with the upper surface of the table top 111; the upper surface of the table top 111 is provided with a protractor 114; the center of the protractor 114 is located on the axis of the output shaft 1131, so that the laser emitted from the laser pointer 112 can be visually read through the protractor 114.
The tabletop 111 of the first measuring instrument 11 and the tabletop 111 of the second measuring instrument 12 are fixedly connected and coplanar. The distance between the output shaft 1131 of the first measuring instrument 11 and the output shaft 1132 of the second measuring instrument 12 is fixed and may be 1m, 3m, or 5 m.
Referring to fig. 5, the utility model discloses during operation of transformer substation defect position measuring instrument 1, include the following steps:
1) placing the defect position measuring instrument 1 for the transformer substation, and adjusting the levels of the desktop of the first measuring instrument 11 and the desktop of the second measuring instrument 12;
2) controlling the servo motor of the first measuring instrument 11 to rotate, so that the laser irradiated by the laser pen of the first measuring instrument 11 is irradiated to the defect position m of the equipment 2, and the laser emergent angle α is read by the protractor of the first measuring instrument 11;
3) by controlling the servo motor of the second measuring instrument 12 to rotate, the laser emitted by the laser pen of the second measuring instrument 12 is irradiated to the defect position m of the device 2, and the laser emitting angle β is read by the protractor of the second measuring instrument 12;
4) the vertical height of the defect position of the equipment 2 from the desktop 111 is h, and the horizontal distance is a + b;
tan α＝h/(a+b) (1)
tan β＝h/(b) (2)
wherein, a is the distance between output shaft 1131 of first measuring apparatu 11 and the output shaft 1132 of second measuring apparatu 12, the utility model discloses well fixed 1m, 3m or 5 m. b is the horizontal distance of the output shaft 1132 of the second gauge 12 from the defect location;
the coordinates of the defect point m of the device 2 from the exit point of the laser pointer of the first measuring instrument 11 can be obtained by simultaneously solving the formula. h plus the actual height of the tabletop 111, the actual height coordinate of the defect point m of the device 2 is obtained.
Preferably, the utility model discloses well first measuring apparatu 11 and second measuring apparatu 12's servo motor can external signal collector and singlechip, gathers two rotatory angles of servo motor through signal collector, and direct transmission calculates for the singlechip, can save and use the protractor, realizes automatic the measurement.
Example 2
During measurement, vertical laser emitted by the vertical laser pen irradiates the 45-degree reflector 14, the telescopic rod 13 is controlled to stretch and adjust the height of the 45-degree reflector 14, the vertical laser emitted by the vertical laser pen is reflected horizontally to irradiate the measured point m, the length scale of the telescopic rod 13 is read, data of the height h can be directly obtained, and the horizontal distance b from the output shaft 1132 of the second measuring instrument 12 to the defect position can be quickly calculated. The horizontal distance of the vertical laser pointer from the output shaft 1131 of the first surveying instrument 11 is a fixed value c, which can be set to 1 m.
Thus, measurements can be made using a set of first meter 11/second meter 12; of course, three measuring devices can be used simultaneously, one of which is used as a redundant measuring device, and can also be used to calibrate the entire measuring device.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (8)
1. Defect position measuring instrument for transformer substation, its characterized in that includes: the device comprises a first measuring instrument (11) and a second measuring instrument (12), wherein the first measuring instrument and the second measuring instrument have the same structure and are fixedly connected;
the first measuring instrument and the second measuring instrument respectively comprise a tripod (110), and a desktop (111) is fixed at the top of the tripod (110);
a laser emitting device is arranged at the central position of the desktop (111);
the distance between the two laser emitting devices of the first measuring instrument and the second measuring instrument is fixed;
laser emission device is including fixing servo motor (113) and laser pen (112) in desktop (111) center recess (1111), and output shaft (1131) front end of servo motor (113) is equipped with staple bolt (1132), and the front end of laser pen (112) is fixed in staple bolt (1132).
2. The substation defect position measuring instrument according to claim 1, wherein the laser emitting point n of the laser pointer (112) is located on the axis of the output shaft (1131) of the servo motor (113).
3. The substation defect position measuring instrument according to claim 1, wherein the axis of the output shaft (1131) is flush with the upper surface of the table top (111).
4. The transformer substation defect position measuring instrument according to claim 1, wherein a protractor (114) is arranged on the upper surface of the table top (111); the circle center of the protractor (114) is positioned on the axis of the output shaft of the servo motor (113).
5. A defect-location measuring instrument for substations according to claim 1, characterized in that the table top of the first measuring instrument (11) and the table top of the second measuring instrument (12) are fixedly connected and coplanar.
6. A defect position measuring instrument for substations according to claim 1, characterized in that the distance between the axis of the servomotor output shaft of the first measuring instrument (11) and the axis of the servomotor output shaft of the second measuring instrument (12) is fixed.
7. The substation defect position measuring instrument according to claim 1, wherein a bubble level is arranged on the table top (111).
8. A defect position measuring instrument for substations according to claim 1, characterized by further comprising a third measuring instrument (10); the third measuring instrument (10) comprises a tripod, and a desktop is fixed at the top of the tripod; a vertical laser pen is arranged in the center of the desktop of the third measuring instrument (10) and used for emitting vertical laser; the telescopic link (13) of taking the scale is installed to the side of vertical laser pen, and 45 speculum (14) that are used for the vertical laser refraction that vertical laser pen sent for horizontal light are installed at telescopic link (13) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031448.0U CN210773910U (en) | 2019-11-20 | 2019-11-20 | Defect position measuring instrument for transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031448.0U CN210773910U (en) | 2019-11-20 | 2019-11-20 | Defect position measuring instrument for transformer substation |
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| Publication Number | Publication Date |
|---|---|
| CN210773910U true CN210773910U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922031448.0U Active CN210773910U (en) | 2019-11-20 | 2019-11-20 | Defect position measuring instrument for transformer substation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780676A (en) * | 2020-08-07 | 2020-10-16 | 隗海林 | Device for measuring plant height and ear height of corn based on upper standard |
-
2019
- 2019-11-20 CN CN201922031448.0U patent/CN210773910U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780676A (en) * | 2020-08-07 | 2020-10-16 | 隗海林 | Device for measuring plant height and ear height of corn based on upper standard |
| CN111780676B (en) * | 2020-08-07 | 2023-04-25 | 隗海林 | Corn plant height and spike height measuring device based on upper standard |
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