CN112325743A - Fixable multi-point measuring scale with vernier - Google Patents
Fixable multi-point measuring scale with vernier Download PDFInfo
- Publication number
- CN112325743A CN112325743A CN202011320980.5A CN202011320980A CN112325743A CN 112325743 A CN112325743 A CN 112325743A CN 202011320980 A CN202011320980 A CN 202011320980A CN 112325743 A CN112325743 A CN 112325743A
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- Prior art keywords
- ruler
- vernier
- vertical
- transverse
- diagonal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a fixable multi-point measuring scale with a vernier, which comprises a transverse scale, a vertical scale and an inclined scale; the transverse ruler is used for measuring the inter-phase distance of the disconnecting link and maintaining the flatness of the disconnecting link in the horizontal direction; one end of the vertical ruler is vertically connected with one end of the transverse ruler, and the vertical ruler is used for maintaining the straightness of the disconnecting link in the vertical direction; one end of the diagonal ruler is fixed on the transverse ruler, a certain angle exists between the diagonal ruler and the vertical ruler, the angle is determined by the type of the disconnecting switch to be detected, and the diagonal ruler is used for measuring the single-pole opening distance of the disconnecting link and calculating the three-phase synchronism; and the transverse ruler and the inclined ruler are both provided with vernier which plays a positioning role. The invention has the functions of measurement and positioning, can realize the simultaneous measurement of the phase distance, the single-pole opening distance and the three-phase synchronism, can visually judge whether the parameters of the isolating switch reach the standard or not by a mode of positioning first, and can adjust the isolating switch to the target once when the parameters do not reach the standard, thereby greatly improving the maintenance efficiency of the isolating switch.
Description
Technical Field
The invention relates to the field of maintenance of isolating switches, in particular to a fixable multi-point measuring scale with a vernier.
Background
The isolating switch can generate defects of contact overheating, poor contact and the like in long-term operation, and maintenance personnel are needed to carry out maintenance work on the isolating switch body. The overhaul flow includes disassembly, inspection, replacement and assembly, where measurement and adjustment of parameters during assembly are critical points affecting the quality of the overhaul.
The data that isolator need measure when the equipment include phase interval, monopole open distance, triphase synchronism, and the method that adopts at present is measured with the ruler data one by one, not only needs to measure many times, and one or two data that appear easily in addition in the measurement process have satisfied the requirement, and the third data is unsatisfied, then adjusts again, so relapse many times, and is very time-consuming. Meanwhile, after the disconnecting link is installed, the disconnecting link is easy to incline in the horizontal and vertical directions and is not easy to level.
Disclosure of Invention
The existing manual measurement debugging data has large workload, and the construction quality is difficult to meet the requirements of the maintenance debugging process of the isolating switch. The invention solves the defects, designs a small, light and accurate disconnecting switch overhauling and debugging tool, can be suitable for quickly testing various data, is convenient to carry and easy to operate, has lower requirements on the technical level of operators, and can better meet the requirements of disconnecting switch overhauling process.
The invention is realized by the following technical scheme:
a fixable multi-point measuring scale with a vernier comprises a transverse scale, a vertical scale and an inclined scale;
the transverse ruler is used for measuring the distance between the knife switches and maintaining the flatness of the knife switches in the horizontal direction;
one end of the vertical ruler is vertically connected with one end of the transverse ruler, and the vertical ruler is used for maintaining the straightness of the disconnecting link in the vertical direction;
one end of the diagonal ruler is fixed on the transverse ruler, a certain angle exists between the diagonal ruler and the vertical ruler, the angle is determined by the type of the disconnecting switch to be detected, and the diagonal ruler is used for measuring the single-pole opening distance of the disconnecting link and calculating the three-phase synchronism;
and the transverse ruler and the inclined ruler are both provided with vernier which plays a positioning role.
Before the isolating switch is assembled, an operator firstly moves the cursors on the transverse ruler and the inclined ruler to the corresponding distance positions of the transverse ruler and the inclined ruler according to the measurement requirement to realize the positioning function, and then the measuring ruler is arranged on the isolating switch, namely, two ends of the vertical ruler are fixed on the isolating switch through bolts; the interphase distance is the distance between the centers of two-phase fixed contact seats of the isolating switch, the transverse ruler can directly measure the interphase distance, the vernier arranged on the transverse ruler plays a role in positioning, and if the center of the fixed contact seat is not at the position where the vernier is positioned, the isolating switch is adjusted to meet the requirement; when the single-pole opening distance is the distance between the center of the fixed contact base and the center of the movable contact base when the isolating switch is opened, the inclined ruler can measure the single-pole opening distance, the vernier arranged on the inclined ruler plays a role in positioning, and if the center of the movable contact base is not at the position where the vernier is positioned, the isolating switch is adjusted to meet the requirement; when isolator combined floodgate, when one of them looks sound contact just contacted, measure the distance between other two-phase sound contact seat center, the great person of distance is three-phase synchronism promptly, when isolator combined floodgate, through observing the slide rule, can obtain three-phase synchronism, like this, can measure alternate distance simultaneously through the cooperation between horizontal ruler, perpendicular chi and the slide rule, monopole opening and three-phase synchronism, be equipped with the vernier simultaneously and fix a position, judge whether each measuring point of isolator is up to standard through the vernier, if not up to standard, the adjustment isolator can.
Preferably, the horizontal ruler, the vertical ruler and the diagonal ruler are all made of stainless steel materials.
Preferably, the thickness of the transverse ruler, the vertical ruler and the diagonal ruler is 2mm-3 mm; the widths of the transverse ruler, the vertical ruler and the diagonal ruler are 25mm-30 mm.
Preferably, the length of the transverse ruler is 700mm-750 mm; the length of the vertical ruler is 510mm-560 mm; the length of the inclined ruler is 450mm-500 mm.
Preferably, the opening of the vernier is slightly larger than the thickness of the transverse ruler and the diagonal ruler by 0.2-0.3 mm; the width of the vernier is 5-5.5 mm; the front length of the vernier is 13-14 mm; the length of the back of the vernier is 3.5-4 mm; the thickness of the vernier is 1-1.5 mm.
Preferably, the vertical ruler is fixed on a wiring board of the isolating switch through a bolt, and then the whole measuring ruler is fixedly arranged on the isolating switch.
The invention has the following advantages and beneficial effects:
the fixable multi-point measuring scale with the vernier can simultaneously measure the interphase distance, the single-pole opening distance and the three-phase synchronism through the matching of the transverse scale, the vertical scale and the inclined scale, is provided with the vernier for positioning, judges whether each measuring point of the isolating switch reaches the standard or not through the vernier, and adjusts the isolating switch if the measuring point does not reach the standard. Whether can realize the short-term test isolator three-phase like this and be in same water flat line, can accurate judgement, reach the purpose of direct debugging, saved measured procedure after the adjustment, simultaneously, this dipperstick is small and exquisite, light, convenient to carry, easy to operate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a front view of a fixable multi-point measuring ruler with a vernier according to the present invention.
Fig. 2 is a side view of a fixable multi-point measuring ruler with a vernier according to the present invention.
Fig. 3 is an installation diagram of a fixable multi-point measuring ruler with a vernier according to the present invention.
Reference numbers and corresponding part names in the drawings:
1-horizontal ruler, 2-vertical ruler, 3-diagonal ruler, 4-vernier and 5-isolating switch.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
As shown in fig. 1-2, a fixable multi-point measuring scale with a vernier comprises a transverse scale 1, a vertical scale 2 and an inclined scale 3; the cross ruler 1 is used for measuring the distance between the knife switches and maintaining the flatness of the knife switches in the horizontal direction; one end of the vertical ruler 2 is vertically connected with one end of the transverse ruler, and the vertical ruler 2 is used for maintaining the straightness of the disconnecting link in the vertical direction; one end of an inclined ruler 3 is fixed on the transverse ruler, a certain angle exists between the inclined ruler 3 and the vertical ruler 2, the size of the angle is determined by the type of the isolating switch 5 to be detected, and the inclined ruler 3 is used for measuring the single-pole opening distance of the disconnecting link and calculating the synchronism of three phases; the horizontal ruler 1 and the diagonal ruler 3 are both provided with a vernier 4, and the vernier 4 plays a positioning role.
Wherein, the length of the transverse ruler 1 is 700 mm; the length of the vertical ruler 2 is 510 mm; the length of the diagonal 3 is 450 mm. The thicknesses of the transverse ruler 1, the vertical ruler 2 and the diagonal ruler 3 are all 2 mm; the widths of the transverse ruler 1, the vertical ruler 2 and the diagonal ruler 3 are all 25 mm; the included angle between the inclined ruler 3 and the vertical ruler 2 is 52 degrees; the opening of the vernier 4 is slightly thicker than 2mm, the production can be 2.2mm, and the width of the vernier 4 is 5 mm; the front length of the vernier 4 is 13 mm; the back length of the vernier 4 is 3.5 mm; the thickness of the cursor 4 is 1 mm.
As shown in fig. 3, before assembling the isolating switch 5, an operator firstly positions the cursors 4 on the horizontal ruler 1 and the diagonal ruler 3 to the specified distances according to the requirement of measuring distance of GN19-10, and then installs the measuring ruler of the embodiment on the isolating switch 5, that is, two ends of the vertical ruler 2 are fixed on the isolating switch 5 through bolts; the interphase distance is the distance between the centers of two-phase fixed contact seats of the isolating switch, the transverse ruler can directly measure the interphase distance, the vernier arranged on the transverse ruler plays a role in positioning, and if the center of the fixed contact seat is not at the position where the vernier is positioned, the isolating switch 5 is adjusted to meet the requirement; when the single-pole opening distance is the distance between the center of the fixed contact base and the center of the movable contact base when the isolating switch is opened, the inclined ruler can measure the single-pole opening distance, the vernier arranged on the inclined ruler plays a role in positioning, and if the center of the movable contact base is not at the position where the vernier is positioned, the isolating switch is adjusted to meet the requirement; when isolator combined floodgate, when one of them looks sound contact just contacted, measure the distance between other two-phase sound contact seat center, the great person of distance is three-phase synchronism promptly, when isolator combined floodgate, through observing the slide rule, can obtain three-phase synchronism, like this, can measure alternate distance simultaneously through the cooperation between horizontal ruler, perpendicular chi and the slide rule, monopole opening and three-phase synchronism, be equipped with the vernier simultaneously and fix a position, judge whether each measuring point of isolator is up to standard through the vernier, if not up to standard, the adjustment isolator can. Therefore, whether the three phases of the isolating switch are on the same horizontal line or not can be quickly detected, the purpose of direct debugging can be achieved, the procedure of measurement after adjustment is omitted, and the maintenance time of the isolating switch is shortened.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A fixable multi-point measuring scale with a vernier is characterized in that the measuring scale comprises a transverse scale, a vertical scale and an inclined scale;
the transverse ruler is used for measuring the distance between the knife switches and maintaining the flatness of the knife switches in the horizontal direction;
one end of the vertical ruler is vertically connected with one end of the transverse ruler, and the vertical ruler is used for maintaining the straightness of the disconnecting link in the vertical direction;
one end of the diagonal ruler is fixed on the transverse ruler, a certain angle exists between the diagonal ruler and the vertical ruler, the angle is determined by the type of the disconnecting switch to be detected, and the diagonal ruler is used for measuring the single-pole opening distance of the disconnecting link and calculating the three-phase synchronism;
and the transverse ruler and the inclined ruler are both provided with vernier which plays a positioning role.
2. The fixable multi-point measuring ruler as claimed in claim 1, wherein said horizontal ruler, vertical ruler and diagonal ruler are all made of stainless steel.
3. The fixable multi-point measuring ruler with the vernier as claimed in claim 1, wherein the thickness of the horizontal ruler, the vertical ruler and the diagonal ruler is 2mm-3 mm; the widths of the transverse ruler, the vertical ruler and the diagonal ruler are all 25mm-30 mm.
4. The fixable multi-point measuring ruler with vernier as claimed in claim 1, wherein said cross ruler has a length of 700mm-750 mm; the length of the vertical ruler is 510mm-560 mm; the length of the inclined ruler is 450mm-500 mm.
5. The fixable multi-point measuring ruler with a vernier as claimed in claim 1, wherein the opening of the vernier is 0.2-0.3mm larger than the thickness of the horizontal ruler and the diagonal ruler; the width of the vernier is 5-5.5 mm; the front length of the vernier is 13-14 mm; the length of the back of the vernier is 3.5-4 mm; the thickness of the vernier is 1-1.5 mm.
6. The fixable multi-point measuring ruler with vernier as claimed in claim 1, wherein said vertical ruler is fixed to the wiring board of the isolating switch to be measured by means of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011320980.5A CN112325743A (en) | 2020-11-23 | 2020-11-23 | Fixable multi-point measuring scale with vernier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011320980.5A CN112325743A (en) | 2020-11-23 | 2020-11-23 | Fixable multi-point measuring scale with vernier |
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| Publication Number | Publication Date |
|---|---|
| CN112325743A true CN112325743A (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011320980.5A Pending CN112325743A (en) | 2020-11-23 | 2020-11-23 | Fixable multi-point measuring scale with vernier |
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| CN (1) | CN112325743A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203344A (en) * | 2021-07-05 | 2021-08-03 | 成都辰迈科技有限公司 | Precision-adjustable metering device for irregular surface or contour |
-
2020
- 2020-11-23 CN CN202011320980.5A patent/CN112325743A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203344A (en) * | 2021-07-05 | 2021-08-03 | 成都辰迈科技有限公司 | Precision-adjustable metering device for irregular surface or contour |
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