CN104976978A - Air gap measuring tool - Google Patents
Air gap measuring tool Download PDFInfo
- Publication number
- CN104976978A CN104976978A CN201510365508.6A CN201510365508A CN104976978A CN 104976978 A CN104976978 A CN 104976978A CN 201510365508 A CN201510365508 A CN 201510365508A CN 104976978 A CN104976978 A CN 104976978A
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- China
- Prior art keywords
- air gap
- measurement
- sounding
- rods
- sounding rods
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Classifications
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses an air gap measurement tool. The air gap measurement tool comprises a connecting rod; the front end of the connecting rod is provided with an elastic clamping piece; the front part of the elastic clamping piece is provided with a pair of measuring rods which can be folded and unfolded to two sides around a supporting point between the two measuring rods; after the rear parts of the two measuring rods are clamped by the elastic clamping piece, the front parts of the two measuring rods can be unfolded to two sides; and the connecting rod is provided with a folding device which can make the front parts of the two measuring rods inwards folded. With the air gap measurement tool adopted, online adjustment and measurement can be performed according to the sizes of air gaps, according to a traditional measuring mode, a measuring tool is taken out from a motor frequently so as to be adjusted and extends into an air gap to measure the air gap, the measuring mode can be eliminated, and therefore, fast measurement of the air gaps can be realized, and the efficiency of measurement work can be greatly improved.
Description
Technical field
The present invention relates to electrical machmary maintenance field, be specifically related to the measurement of air gap instrument that can be used for measuring air gap in motor.
Background technology
Air gap is the space between motor stator and rotor.Circumferentially the air gap of each position reaches unanimity, and is more conducive to the running of motor.All need when mounting rotor of electric motor to measure the air gap of circumferentially each position, judge whether the air gap of circumferentially each position meets the requirements with this.The larger-size clearance gauge of usual employing serves as measurement of air gap instrument, the shortcoming that air gap measured by clearance gauge is as follows: survey crew cannot be measured and adjust clearance gauge, in measuring process, clearance gauge needs are filled in air gap after repeatedly taking out from air gap and adjusting again and are measured, so just cause measuring process extremely loaded down with trivial details, greatly reduce the efficiency of surveying work.
Summary of the invention
Technical matters to be solved by this invention is: will provide a kind of measurement of air gap instrument that can improve surveying work efficiency.
In order to solve the problem, the technical solution used in the present invention is: measurement of air gap instrument, comprise connecting link, be characterized in: the front end of connecting link is provided with elastic clamping pieces, being provided with a pair in the front portion of elastic clamping pieces can around the sounding rod of fulcrum between the two to both sides folding, the front portion of two sounding rods can be made to open to both sides after the rear portion of two sounding rods is clamped by elastic clamping pieces, connecting link is also provided with the collecting device of the anterior inward collapsible that can make two sounding rods.
Further, aforesaid measurement of air gap instrument, wherein: the structure of collecting device is: be provided with the control hand wheel that can rotate on connecting link in the rear end of connecting link, control hand wheel is provided with the driving wheel that can rotate along with control hand wheel, engaged wheel is provided with between the front portion of two sounding rods, be provided with the leading screw that can rotate along with engaged wheel on the driven wheel, the strip through hole that leading screw can be made to slide is respectively arranged with it inside in the forward bar of two sounding rods, the two ends of screw mandrel are each passed through two strip through holes, and the leading screw outside two sounding rods is bolted with respectively can against the nut of living outside two sounding rods, driving wheel drives engaged wheel and leading screw to rotate by driving-belt, leading screw can make after rotating to be that reverse direction moves against two nuts of living outside two sounding rods along leading screw respectively, when two nuts inwardly move along leading screw, two nuts can overcome the holding force of elastic clamping pieces and promote the anterior inward collapsible of two sounding rods, when two nuts outwards move along leading screw, two sounding rod front portions can outwards be opened under the holding force effect of elastic clamping pieces.
Further, aforesaid measurement of air gap instrument, wherein: be provided with the spring straining driving-belt on the belt.
Further, aforesaid measurement of air gap instrument, wherein: elastic clamping pieces is circular arc split ring, the two ends of circular arc split ring clamp the rear outside shaft of two sounding rods.
Further, aforesaid measurement of air gap instrument, wherein: be respectively arranged with the anticreep groove that circular arc split ring one end can be made to snap in it in the outboard beam at two sounding rod rear portions.
Further, aforesaid measurement of air gap instrument, wherein: the two ends end face of circular arc split ring is respectively arranged with the detent that the rear outside shaft of sounding rod can be made to snap in.
Further, aforesaid measurement of air gap instrument, wherein: be provided with cylinder between two sounding rods, the inner side shaft of two sounding rods is respectively arranged with arc groove, cylinder is stuck between two arc grooves, and two sounding rods are that fulcrum is to both sides folding with cylinder.
Further, aforesaid measurement of air gap instrument, wherein: be respectively arranged with on two bottom surfaces of cylinder and can stop the positive stop lug boss of cylinder from landing between two sounding rods, the shaft of two sounding rods is between two positive stop lug boss.
Further, aforesaid measurement of air gap instrument, wherein: connecting link is hollow tubular, and driving-belt is positioned at hollow tubular.
Advantage of the present invention is: this measurement of air gap instrument can be measured according to the size on-line tuning of air gap, eliminate after survey instrument is taken out adjustment repeatedly from motor and stretched into the metering system carrying out in air gap measuring again, thus achieve the object of Quick Measurement air gap, substantially increase the efficiency of surveying work.
Accompanying drawing explanation
Fig. 1 is the structural representation of measurement of air gap instrument of the present invention.
Fig. 2 is the structural representation of elastic clamping pieces shown in Fig. 1.
Fig. 3 is the right view of Fig. 2.
Fig. 4 is the structural representation of sounding rod shown in Fig. 1.
Fig. 5 is the upward view of Fig. 4.
The structural representation that Fig. 6 is cylinder shown in Fig. 1 and positive stop lug boss.
Embodiment
Below in conjunction with specific embodiments and the drawings, the present invention is described in further detail.
Measurement of air gap instrument, as shown in Figure 1, comprise connecting link 1, the front end of connecting link 1 is provided with elastic clamping pieces 2, being provided with a pair in the front portion of elastic clamping pieces 2 can around the sounding rod 3 of fulcrum between the two to both sides folding, the front portion of two sounding rods 3 can be made to open to both sides after the rear portion of two sounding rods 3 is clamped by elastic clamping pieces 2, connecting link 1 is also provided with the collecting device of the anterior inward collapsible that can make two sounding rods 3, in the present embodiment, the structure of collecting device is: be provided with the control hand wheel 4 that can rotate on connecting link 1 in the rear end of connecting link 1, control hand wheel 4 is provided with the driving wheel 41 that can rotate along with control hand wheel 4, in actual applications, in the rear end of connecting link 1, sleeve 6 can be set, control hand wheel 4 rotates in sleeve 6, control hand wheel 4 coaxially can be arranged with driving wheel 41, engaged wheel 42 is provided with between the front portion of two sounding rods 3, engaged wheel 42 is provided with the leading screw 43 that can rotate along with engaged wheel 42, the strip through hole 31 that leading screw 43 can be made to slide is respectively arranged with it inside in the forward bar of two sounding rods 3, the two ends of screw mandrel 43 are each passed through two strip through holes 31, and the leading screw 43 outside two sounding rods 3 is bolted with respectively can against the nut 44 of living outside two sounding rods 3, driving wheel 41 drives engaged wheel 42 and leading screw 43 to rotate by driving-belt 5, in the present embodiment, connecting link 1 is hollow tubular, driving-belt 5 is positioned at hollow tubular, driving-belt 5 is provided with the spring 51 straining driving-belt 5, driving-belt 5 is in tension all the time can make driving wheel 41 effectively drive engaged wheel 42 to rotate, and hollow tubular can be protected driving-belt 5, leading screw 43 can make after rotating to move in reverse direction against two nuts 44 of living outside two sounding rods 3 along leading screw 43 respectively, when two nuts 44 inwardly move along leading screw 43, two nuts 44 can overcome the holding force of elastic clamping pieces 2 and promote the anterior inward collapsible of two sounding rods 3, when two nuts 44 outwards move along leading screw 43, two sounding rod 3 front portions can outwards be opened under the holding force effect of elastic clamping pieces 2.Arranging strip through hole 31 is to make leading screw 43 can move in strip through hole 31 when two sounding rod 3 foldings, thus makes screw mandrel 43 can not cause obstruction to the folding of two sounding rods 3.
In the present embodiment, as shown in Figure 2, elastic clamping pieces 2 is circular arc split ring, and the two ends of circular arc split ring clamp the rear outside shaft of two sounding rods 3, and the structure of circular arc split ring is simple, easily manufactured; As shown in Figure 4, Figure 5, the anticreep groove 32 that circular arc split ring one end can be made to snap in is respectively arranged with it in the outboard beam at two sounding rod 3 rear portions, arranging anticreep groove 32 can make circular arc split ring firmly clamp the rear end of two sounding rods 3, and as shown in Figure 3, the two ends end face of circular arc split ring is respectively arranged with the detent 22 that the rear outside shaft of sounding rod 3 can be made to snap in, detent 22 is set and can prevents the landing from the opening of circular arc split ring of two sounding rods 3.In addition, as shown in Fig. 1, Fig. 6, cylinder 7 is provided with between two sounding rods 3, the inner side shaft of two sounding rods 3 is respectively arranged with arc groove 33, cylinder 7 is stuck between two arc grooves 33, two sounding rods 3 with cylinder 7 be fulcrum to both sides folding, two arc grooves 33 play the effect of positioning cylinder 7.Two bottom surfaces of cylinder 7 are respectively arranged with and can stop that the shaft of cylinder 7 from positive stop lug boss 71, two sounding rod 3 of landing between two sounding rods 3 is between two positive stop lug boss 71.
The measuring principle of the measurement of air gap instrument described in the present embodiment is: first make driving wheel 41 drive engaged wheel 42 and leading screw 43 to rotate by rotating control hand wheel 4, leading screw 43 makes two nuts 44 inwardly move after rotating, until the distance of the front end outer side of two sounding rods 3 is drawn in be less than air gap, then the front end of two sounding rods 3 is extend in air gap, following left rotation and right rotation two sounding rod 3 also rotates control hand wheel 4 simultaneously makes two nuts 44 outwards move, after two nuts 44 outwards move, the front portion of two sounding rods 3 can outwards be opened under the holding force effect of circular arc split ring, prop up the both sides sidewall of air gap respectively when the front end outer side of two sounding rods 3 and can also to stop the rotation control hand wheel 4 during left rotation and right rotation two sounding rod 3, then inclination measurement of air gap instrument makes two sounding rods 3 take out from motor at a slant, finally use the distance of gage measuring two sounding rod 3 front end outer side, this distance is the size of air gap.
Beneficial effect of the present invention is: survey crew when using this measurement of air gap instrument to measure by on-line tuning measurement of air gap instrument in the aperture of two sounding rod front ends to measure air gap, finally measure the distance of two sounding rod front end outer side, just can obtain the size of air gap.This measurement of air gap instrument stretches into the metering system carrying out in air gap measuring after having eliminated and survey instrument being taken out adjustment repeatedly from motor again, thus achieves the object of Quick Measurement air gap, substantially increases the efficiency of surveying work.
Claims (10)
1. measurement of air gap instrument, comprise connecting link, it is characterized in that: the front end of connecting link is provided with elastic clamping pieces, being provided with a pair in the front portion of elastic clamping pieces can around the sounding rod of fulcrum between the two to both sides folding, the front portion of two sounding rods can be made to open to both sides after the rear portion of two sounding rods is clamped by elastic clamping pieces, connecting link is also provided with the collecting device of the anterior inward collapsible that can make two sounding rods.
2. measurement of air gap instrument according to claim 1, it is characterized in that: the structure of collecting device is: be provided with the control hand wheel that can rotate on connecting link in the rear end of connecting link, control hand wheel is provided with the driving wheel that can rotate along with control hand wheel, engaged wheel is provided with between the front portion of two sounding rods, be provided with the leading screw that can rotate along with engaged wheel on the driven wheel, the strip through hole that leading screw can be made to slide is respectively arranged with it inside in the forward bar of two sounding rods, the two ends of screw mandrel are each passed through two strip through holes, and the leading screw outside two sounding rods is bolted with respectively can against the nut of living outside two sounding rods, driving wheel drives engaged wheel and leading screw to rotate by driving-belt, leading screw can make after rotating to be that reverse direction moves against two nuts of living outside two sounding rods along leading screw respectively, when two nuts inwardly move along leading screw, two nuts can overcome the holding force of elastic clamping pieces and promote the anterior inward collapsible of two sounding rods, when two nuts outwards move along leading screw, two sounding rod front portions can outwards be opened under the holding force effect of elastic clamping pieces.
3. measurement of air gap instrument according to claim 1 and 2, is characterized in that: be provided with the spring straining driving-belt on the belt.
4. measurement of air gap instrument according to claim 1 and 2, is characterized in that: elastic clamping pieces is circular arc split ring, and the two ends of circular arc split ring clamp the rear outside shaft of two sounding rods.
5. measurement of air gap instrument according to claim 4, is characterized in that: be respectively arranged with the anticreep groove that circular arc split ring one end can be made to snap in it in the outboard beam at two sounding rod rear portions.
6. measurement of air gap instrument according to claim 5, is characterized in that: the two ends end face of circular arc split ring is respectively arranged with the detent that the rear outside shaft of sounding rod can be made to snap in.
7. measurement of air gap instrument according to claim 4, is characterized in that: the two ends end face of circular arc split ring is respectively arranged with the detent that the rear outside shaft of sounding rod can be made to snap in.
8. measurement of air gap instrument according to claim 1 and 2, it is characterized in that: between two sounding rods, be provided with cylinder, the inner side shaft of two sounding rods is respectively arranged with arc groove, and cylinder is stuck between two arc grooves, and two sounding rods are that fulcrum is to both sides folding with cylinder.
9. measurement of air gap instrument according to claim 8, is characterized in that: be respectively arranged with on two bottom surfaces of cylinder and can stop the positive stop lug boss of cylinder from landing between two sounding rods, the shaft of two sounding rods is between two positive stop lug boss.
10. measurement of air gap instrument according to claim 1 and 2, is characterized in that: connecting link is hollow tubular, and driving-belt is positioned at hollow tubular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510365508.6A CN104976978A (en) | 2015-06-29 | 2015-06-29 | Air gap measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510365508.6A CN104976978A (en) | 2015-06-29 | 2015-06-29 | Air gap measuring tool |
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|---|---|
| CN104976978A true CN104976978A (en) | 2015-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510365508.6A Pending CN104976978A (en) | 2015-06-29 | 2015-06-29 | Air gap measuring tool |
Country Status (1)
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| CN (1) | CN104976978A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606057A (en) * | 2015-12-21 | 2016-05-25 | 湘潭电机股份有限公司 | Motor air gap detection device |
| CN112504081A (en) * | 2020-11-25 | 2021-03-16 | 四川神华天明发电有限责任公司 | Generator stator rotor clearance measuring device |
| CN114216383A (en) * | 2021-10-29 | 2022-03-22 | 杭州市肿瘤医院 | Soft tissue thickness measurer |
| CN115507796A (en) * | 2022-09-14 | 2022-12-23 | 保利长大工程有限公司 | Detector for measuring thickness of protective layer between steel bar and template |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606057A (en) * | 2015-12-21 | 2016-05-25 | 湘潭电机股份有限公司 | Motor air gap detection device |
| CN105606057B (en) * | 2015-12-21 | 2018-09-21 | 湘潭电机股份有限公司 | A kind of motor gas-gap detection device |
| CN112504081A (en) * | 2020-11-25 | 2021-03-16 | 四川神华天明发电有限责任公司 | Generator stator rotor clearance measuring device |
| CN114216383A (en) * | 2021-10-29 | 2022-03-22 | 杭州市肿瘤医院 | Soft tissue thickness measurer |
| CN114216383B (en) * | 2021-10-29 | 2024-03-22 | 杭州市肿瘤医院 | Soft tissue thickness measurer |
| CN115507796A (en) * | 2022-09-14 | 2022-12-23 | 保利长大工程有限公司 | Detector for measuring thickness of protective layer between steel bar and template |
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Application publication date: 20151014 |
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