CN103542787A - Center hole measuring tool - Google Patents
Center hole measuring tool Download PDFInfo
- Publication number
- CN103542787A CN103542787A CN201310518713.2A CN201310518713A CN103542787A CN 103542787 A CN103542787 A CN 103542787A CN 201310518713 A CN201310518713 A CN 201310518713A CN 103542787 A CN103542787 A CN 103542787A
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- China
- Prior art keywords
- measuring tool
- center hole
- dial indicator
- hole measuring
- support
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a center hole measuring tool which comprises a support and a dial indicator. The center hole measuring tool is characterized in that a header of the dial indicator is in threaded connected with a measuring bar, wherein the other end of the measuring bar is in threaded connection with a spherical probe; an elastic sleeve is arranged in a mounting hole of the support, and the header of the dial indicator is inserted into the elastic sleeve and fastened to the support through a tightening screw. The center hole measuring tool is simple in structure, easy to manufacture and low in cost; whether a taper hole of a part is qualified can be judged directly according to the indicated value of the dial indicator as long as the spherical probe is arranged in the taper hole of the part, so that detection accuracy and repeatability are high, and detection efficiency and precision are improved; center holes with different specifications can be detected as long as corresponding spherical probes are mounted to replace the spherical probe, so that the center hole measuring tool is high in economical efficiency.
Description
Technical field
The present invention relates to a kind of measurer, be specifically related to a kind of center pit and measure measurer.
Background technology
At mechanical processing industry, need the product of centering to be seen everywhere, particularly axial workpiece.Center pit is the important benchmark of axial workpiece, and car, cylindrical grinding are all located by center pit, and the degree of depth of center pit and tapering are to guarantee centering accurately, is also to guarantee that top tip and workpiece can not collided again and the important parameter of part post-production quality.Adopt aperture and the depth of center hole size of slide calliper rule amount center pit simple and convenient, but the measurement of this method is time-consuming, precision is low, poor repeatability, the crudy of part is unstable.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned technology, a kind of simple in structure, low cost of manufacture, easy to use is provided, high, the reproducible center pit of measuring accuracy is measured measurer.
Center pit of the present invention is measured measurer, comprises bearing and dial gauge, it is characterized in that: the sounding rod that has been threaded in the gauge outfit of described dial gauge, and the other end of sounding rod is connected with spheric probe; In the mounting hole of described bearing, be built-in with resilient sleeve, the gauge outfit of dial gauge is inserted in resilient sleeve, by clamp-screw, is fixed tightly on bearing.
In order better to realize above-mentioned purpose:
Described sounding rod with spheric probe by being threaded.
Center pit of the present invention is measured measurer, and expense simple in structure, easy to manufacture is low, only spheric probe need be placed in to the bellmouth of part, according to the indicated value of dial gauge, just can directly judge that whether part bellmouth is qualified, detection accuracy and reproducible, has improved detection efficiency and precision; Center pit for different size only need be changed corresponding spheric probe, good economy performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is embodiments of the invention schematic diagram.
In figure: 1, bearing, 2, resilient sleeve, 3, dial gauge, 4, gauge outfit, 5, clamp-screw, 6, sounding rod, 7, spheric probe, 8, part.
Embodiment
Center pit of the present invention is measured measurer, comprises bearing 1 and dial gauge 3.The sounding rod 6 that has been threaded in the gauge outfit 4 of dial gauge 3, the other end of sounding rod 6 spheric probe 7 that has been threaded.In the mounting hole of bearing 1, be built-in with resilient sleeve 2, the gauge outfit 4 of dial gauge 3 is inserted in resilient sleeve 2, by clamp-screw 5, is fixed tightly on bearing 1.
During use, the spheric probe of measurer 7 is placed in to the bellmouth of part 8, according to the reading of dial gauge 3, just can judges that whether the bellmouth of part 8 is qualified.For the bellmouth of different size, only need to change corresponding spheric probe 7.
Claims (2)
1. center pit is measured a measurer, comprises bearing (1) and dial gauge (3), it is characterized in that: the sounding rod (6) that has been threaded in the gauge outfit (4) of described dial gauge (3), and the other end of sounding rod (6) is connected with spheric probe (7); In the mounting hole of described bearing (1), be built-in with resilient sleeve (2), the gauge outfit (4) of dial gauge (3) is inserted in resilient sleeve (2), by clamp-screw (5), is fixed tightly on bearing (1).
2. center pit according to claim 1 is measured measurer, it is characterized in that: described sounding rod (6) with spheric probe (7) by being threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310518713.2A CN103542787A (en) | 2013-10-29 | 2013-10-29 | Center hole measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310518713.2A CN103542787A (en) | 2013-10-29 | 2013-10-29 | Center hole measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103542787A true CN103542787A (en) | 2014-01-29 |
Family
ID=49966484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310518713.2A Pending CN103542787A (en) | 2013-10-29 | 2013-10-29 | Center hole measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103542787A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990749A (en) * | 2019-05-06 | 2019-07-09 | 广西玉柴机器股份有限公司 | A kind of measurement screw hole position tolerance auxiliary device |
| CN110332874A (en) * | 2019-08-15 | 2019-10-15 | 柳州科路测量仪器有限责任公司 | Shaft coupling height measuring rule |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58123414A (en) * | 1982-01-19 | 1983-07-22 | Mitsubishi Heavy Ind Ltd | Method for measuring machining hole and correcting tool |
| CN2835943Y (en) * | 2005-10-27 | 2006-11-08 | 江苏太平洋精密锻造有限公司 | Measuring tool for measuring size of inner hole chamfer |
| CN201335671Y (en) * | 2009-01-21 | 2009-10-28 | 重庆江增机械有限公司 | Mmeasurement device of depth of bore groove |
| CN201476748U (en) * | 2009-07-16 | 2010-05-19 | 江苏罡阳动力转向器厂 | Measuring tool for quickly measuring slot and hole depth processing precision of workpieces in batches |
| CN101975538A (en) * | 2010-09-01 | 2011-02-16 | 芜湖佳先传动轴有限公司 | Central hole detector of constant velocity cardan joint drive shaft assembly |
| CN203561312U (en) * | 2013-10-29 | 2014-04-23 | 湖南南方宇航工业有限公司 | Center hole measuring tool |
-
2013
- 2013-10-29 CN CN201310518713.2A patent/CN103542787A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58123414A (en) * | 1982-01-19 | 1983-07-22 | Mitsubishi Heavy Ind Ltd | Method for measuring machining hole and correcting tool |
| CN2835943Y (en) * | 2005-10-27 | 2006-11-08 | 江苏太平洋精密锻造有限公司 | Measuring tool for measuring size of inner hole chamfer |
| CN201335671Y (en) * | 2009-01-21 | 2009-10-28 | 重庆江增机械有限公司 | Mmeasurement device of depth of bore groove |
| CN201476748U (en) * | 2009-07-16 | 2010-05-19 | 江苏罡阳动力转向器厂 | Measuring tool for quickly measuring slot and hole depth processing precision of workpieces in batches |
| CN101975538A (en) * | 2010-09-01 | 2011-02-16 | 芜湖佳先传动轴有限公司 | Central hole detector of constant velocity cardan joint drive shaft assembly |
| CN203561312U (en) * | 2013-10-29 | 2014-04-23 | 湖南南方宇航工业有限公司 | Center hole measuring tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990749A (en) * | 2019-05-06 | 2019-07-09 | 广西玉柴机器股份有限公司 | A kind of measurement screw hole position tolerance auxiliary device |
| CN109990749B (en) * | 2019-05-06 | 2024-02-09 | 广西玉柴机器股份有限公司 | Auxiliary device for measuring screw hole position degree |
| CN110332874A (en) * | 2019-08-15 | 2019-10-15 | 柳州科路测量仪器有限责任公司 | Shaft coupling height measuring rule |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140129 |