CN104111012A - Center measuring device and center measuring method - Google Patents
Center measuring device and center measuring method Download PDFInfo
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- CN104111012A CN104111012A CN201410365357.XA CN201410365357A CN104111012A CN 104111012 A CN104111012 A CN 104111012A CN 201410365357 A CN201410365357 A CN 201410365357A CN 104111012 A CN104111012 A CN 104111012A
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- chi frame
- survey chi
- measuring
- frame
- survey
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Abstract
The invention discloses a center measuring device and a center measuring method, and belongs to the field of measuring equipment. The center measuring device comprises a measuring tape, measuring tape frames and a depth gage rod, wherein a fixed gate is stuck on the measuring tape; the measuring tape frames are divided into two groups, respectively, including, an inner measuring tape frame and an outer measuring tape frame; movement of the inner and outer measuring tape frames on the measuring tape is adjusted through a locking screw; the inner and outer measuring tape frames are respectively stuck on the two inner walls inside a key slot through a small measuring claw of the inner measuring tape frame and a vertical surface on a measuring claw of the measuring tape; the outer measuring tape frame is adjusted to enable big measuring claws of the outer measuring tape at the upper side and the downside of the outer measuring tape frame to be stuck behind a side surface of the shaft to measure a distance between the measuring claw of the measuring tape and the big measuring claw of the outer measuring tape; the distance value is displayed on an electronic digital display meter. Measurement is carried out on the other side of the key slot through the steps mentioned above; if the distances on the two sides are same, the key slot is located at the center of the shaft. The center measuring device is high in measuring precision, can meet with detection demands of enterprises on special-shaped parts, and is convenient and fast to measure.
Description
Technical field
The present invention relates to a kind of center measuring device and measuring method thereof, belong to measuring equipment field.
Background technology
As everyone knows, in accurate manufacturing, for the measurement check of some abnormal workpieces, are the somethings of having a headache very much, such as to boring on the symmetry of keyway, right cylinder circumference whether in the measurement of center.The detection at these positions guarantees by equipment often, and manual measurement is difficult to take out some accurate data, it is reported, the measurer amount instrument about this class on market is not a lot.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of center measuring device and measuring method thereof, and this device degree of accuracy is high, can meet enterprise detects the center measuring instrument of demand to profiled piece, and the method is measured convenient and swift.
Technical matters to be solved by this invention realizes by the following technical solutions:
A kind of center measuring device, it comprises survey chi, survey chi frame and pit gauge bar, on described survey chi, be stained with fixed grid, described survey chi frame is two groups, respectively interior survey chi frame and outer survey chi frame, in described, on outer survey chi frame, have a wealthy groove, and the two ends of the survey chi described in being enclosed within respectively by wealthy groove, on described interior survey chi frame, be also provided with a pit gauge bar, in described, in wealthy groove on outer survey chi frame, top is also provided with a gag, in described, outer survey chi arch is respectively equipped with a fastening bolt, in this fastening bolt passes, the top of outer survey chi frame is against on described gag,
Wealthy groove down either side on described interior survey chi frame is also provided with respectively in one and surveys the little measuring jaw of chi frame, and the little measuring jaw of this interior survey chi frame lays respectively at the both sides of surveying chi;
The lower left corner of described outer survey chi frame is provided with an outer large measuring jaw of chi frame of surveying;
The below of described survey chi is also fixed one and is surveyed dipstick metering pawl.
On described inside and outside survey chi frame, be respectively equipped with an electronic digital display table.
The little measuring jaw of survey chi frame in both sides, wealthy groove below on described interior survey chi frame lays respectively at the both sides of surveying chi.
On the little measuring jaw of described interior survey chi frame and survey dipstick metering pawl, have respectively two faces, one of them is vertical plane, and another is cambered surface.
The little measuring jaw of described interior survey chi frame and described survey dipstick metering pawl oppositely arrange.
The present invention also comprises measuring method, and its concrete steps are as follows:
Step 1, first loosening fastening bolt, move outer survey chi frame to the right, and the little measuring jaw of interior survey chi frame and dip stick pawl put into keyway, surveys on the inwall of a side that the vertical plane of dipstick metering pawl on tight be attached to keyway;
Step 2, interior survey chi frame is moved to the left side of surveying chi, because the little measuring jaw of interior survey chi frame is to be fixed on interior survey chi frame, the little measuring jaw of interior survey chi frame now also can be driven to the left end of surveying chi and move;
When step 3, the vertical plane on the little measuring jaw of interior survey chi frame are attached on the opposite side inwall of keyway, tighten the fastening bolt on interior survey chi frame, then outer survey chi frame is moved to the left end of surveying chi, while making the large measuring jaw of outer survey chi frame of outer survey chi frame below be attached to the side of axle, tighten the fastening bolt on outer survey chi frame;
Step 4, the last distance by surveying between dipstick metering pawl and the large measuring jaw of outer survey chi frame are exactly that keyway is positioned at the distance on axle, simultaneously, can obtain the width of keyway again, in addition, with same method above, the present invention is oppositely changed, to another side to another face in keyway and axle again, now relatively whether the distance of keyway both sides is consistent.
The invention has the beneficial effects as follows:
1) in the present invention adjusts by the adjusting of fastening bolt, outer survey chi frame is in the movement of surveying on chi, by the vertical plane on the little measuring jaw of interior survey chi frame and survey dipstick metering pawl, be attached to respectively on two inwalls in keyway, regulate the outer chi frame of surveying, the large measuring jaw of outer survey chi frame of outer survey chi frame upper and lower is attached to behind axle side, by the distance of surveying between dipstick metering pawl and the large measuring jaw of outer survey chi frame, the numerical value of this distance shows on electronic digital display table, this is measuring another axle side of the another side of keyway and axle by above-mentioned steps, if the distance on both sides equates, , this keyway is positioned at Zhou center exactly.
2) this center measuring device is simple in structure, measures convenient and swiftly, can obtain immediately numerical value, is both, and the center that is also applicable to other parts is measured.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is front view of the present invention;
Fig. 3 is right view of the present invention;
Fig. 4 is left view of the present invention;
Fig. 5 is measuring state structural representation of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As Figure 1-5, a kind of center measuring device, it comprises surveys chi 1, survey chi frame 2 and pit gauge bar 3, survey on chi 1 and be stained with fixed grid 15, surveying chi frame 2 is two groups, respectively interior survey chi frame 20 and outer survey chi frame 21, in, outer survey chi frame 20, on 21, have a wealthy groove 22, and the two ends of the survey chi 1 described in being enclosed within respectively by wealthy groove 22, on interior survey chi frame 21, be also provided with a pit gauge bar 3, in, outer survey chi frame 20, the interior top of wealthy groove 22 on 21 is also provided with a gag 5, in, outer survey chi frame 20, 21 tops are respectively equipped with a fastening bolt 6, in this fastening bolt 6 passes, outer survey chi frame 20, 21 top is against on described gag 5, wealthy groove 22 down either side on interior survey chi frame 21 are also provided with respectively and in one, survey chi frame pawl 7 in a small amount.The lower left corner of outer survey chi frame 20 is provided with an outer large measuring jaw 8 of chi frame of surveying; Survey the below of chi 1 and also fix a survey dipstick metering pawl 9.On inside and outside survey chi frame 20,21, be respectively equipped with an electronic digital display table 10.Survey chi frame in wealthy groove 22 both sides, below on interior survey chi frame 20 in a small amount pawl 7 lays respectively at the both sides of surveying chi 1.Interior survey chi frame in a small amount pawl 7 has respectively two faces with surveying on dipstick metering pawl 9, and one of them is vertical plane 11, and another is cambered surface 12.Interior survey chi frame in a small amount pawl 7 oppositely arranges with described survey dipstick metering pawl 9.
Measuring method of the present invention is as follows:
A, first loosening fastening bolt 6, move outer survey chi frame 21 to the right side of surveying chi 1, and by interior survey chi frame in a small amount pawl 7 and dip stick pawl 9 put into keyway 13, survey on the inwall of a side that vertical plane 11 on dipstick metering pawl 9 is attached to keyway 13;
B, interior survey chi frame 20 is moved to the left side of surveying chi 1, due to interior survey chi frame in a small amount pawl 7 be to be fixed on interior survey chi frame 20, interior survey chi frame now in a small amount pawl 7 also can be driven to the left end of surveying chi 1 and moves;
C, when interior survey chi frame is when the vertical plane 11 on pawl 7 is attached on the opposite side inwall of keyway 13 in a small amount, tighten the fastening bolt 6 on interior survey chi frame 20, then outer survey chi frame 21 is moved to the left end of surveying chi 1, while making the large measuring jaw 8 of outer survey chi frame of outer survey chi frame 21 belows be attached to the side of axle 14, tighten the fastening bolt 6 on outer survey chi frame 21;
D, the last distance by surveying between dipstick metering pawl 9 and the large measuring jaw 8 of outer survey chi frame are exactly that keyway 13 is positioned at the distance on axle 14, simultaneously, can obtain the width of keyway 13 again, in addition, with same method above, the present invention is oppositely changed, to another side to another face in keyway 13 and axle 14 again, now relatively whether the distance of keyway 13 both sides is consistent.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1. a center measuring device, it comprises survey chi, survey chi frame and pit gauge bar, on described survey chi, be stained with fixed grid, it is characterized in that: described survey chi frame is two groups, respectively interior survey chi frame and outer survey chi frame, in described, on outer survey chi frame, have a wealthy groove, and the two ends of the survey chi described in being enclosed within respectively by wealthy groove, on described interior survey chi frame, be also provided with a pit gauge bar, in described, in wealthy groove on outer survey chi frame, top is also provided with a gag, in described, outer survey chi arch is respectively equipped with a fastening bolt, in this fastening bolt passes, the top of outer survey chi frame is against on described gag,
Wealthy groove down either side on described interior survey chi frame is also provided with respectively and in one, surveys the little measuring jaw of chi frame;
The lower left corner of described outer survey chi frame is provided with an outer large measuring jaw of chi frame of surveying;
The below of described survey chi is also fixed one and is surveyed dipstick metering pawl.
2. a kind of center measuring device according to claim 1, is characterized in that: on described inside and outside survey chi frame, be respectively equipped with an electronic digital display table.
3. a kind of center measuring device according to claim 1, is characterized in that: the little measuring jaw of survey chi frame in the both sides, wealthy groove below on described interior survey chi frame lays respectively at the both sides of surveying chi.
4. a kind of center measuring device according to claim 1, is characterized in that: the little measuring jaw of described interior survey chi frame and survey on dipstick metering pawl and have respectively two faces, and one of them is vertical plane, another is cambered surface.
5. a kind of center measuring device according to claim 1, is characterized in that: the little measuring jaw of described interior survey chi frame and described survey dipstick metering pawl oppositely arrange.
6. a measuring method for center measuring device, is characterized in that: its concrete steps are as follows,
A, first loosening fastening bolt, move outer survey chi frame to the right, and the little measuring jaw of interior survey chi frame and dip stick pawl put into keyway, surveys on the inwall of a side that the vertical plane of dipstick metering pawl on tight be attached to keyway;
B, interior survey chi frame is moved to the left side of surveying chi, because the little measuring jaw of interior survey chi frame is to be fixed on interior survey chi frame, the little measuring jaw of interior survey chi frame now also can be driven to the left end of surveying chi and move;
When c, the vertical plane on the little measuring jaw of interior survey chi frame are attached on the opposite side inwall of keyway, tighten the fastening bolt on interior survey chi frame, then outer survey chi frame is moved to the left end of surveying chi, while making the large measuring jaw of outer survey chi frame of outer survey chi frame below be attached to the side of axle, tighten the fastening bolt on outer survey chi frame;
D, the last distance by surveying between dipstick metering pawl and the large measuring jaw of outer survey chi frame are exactly that keyway is positioned at the distance on axle, simultaneously, can obtain the width of keyway again, in addition, with same method above, the present invention is oppositely changed, to another side to another face in keyway and axle again, now relatively whether the distance of keyway both sides is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365357.XA CN104111012A (en) | 2014-07-29 | 2014-07-29 | Center measuring device and center measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365357.XA CN104111012A (en) | 2014-07-29 | 2014-07-29 | Center measuring device and center measuring method |
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| Publication Number | Publication Date |
|---|---|
| CN104111012A true CN104111012A (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410365357.XA Pending CN104111012A (en) | 2014-07-29 | 2014-07-29 | Center measuring device and center measuring method |
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| CN (1) | CN104111012A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157540A (en) * | 2015-05-14 | 2015-12-16 | 刘美艺 | Shaft keyway symmetry error measurement gauge |
| CN106370085A (en) * | 2016-11-11 | 2017-02-01 | 安徽江淮汽车股份有限公司 | Hole-surface distance measuring tool |
| CN114322720A (en) * | 2021-12-28 | 2022-04-12 | 靖江市富达汽车配件厂 | Tool for measuring symmetry degree of key groove of shaft part |
-
2014
- 2014-07-29 CN CN201410365357.XA patent/CN104111012A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157540A (en) * | 2015-05-14 | 2015-12-16 | 刘美艺 | Shaft keyway symmetry error measurement gauge |
| CN106370085A (en) * | 2016-11-11 | 2017-02-01 | 安徽江淮汽车股份有限公司 | Hole-surface distance measuring tool |
| CN114322720A (en) * | 2021-12-28 | 2022-04-12 | 靖江市富达汽车配件厂 | Tool for measuring symmetry degree of key groove of shaft part |
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Application publication date: 20141022 |