CN103969117B - Leeb Hardness Tester detection fixture and Leeb Hardness Tester pick-up unit - Google Patents
Leeb Hardness Tester detection fixture and Leeb Hardness Tester pick-up unit Download PDFInfo
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- CN103969117B CN103969117B CN201410173194.5A CN201410173194A CN103969117B CN 103969117 B CN103969117 B CN 103969117B CN 201410173194 A CN201410173194 A CN 201410173194A CN 103969117 B CN103969117 B CN 103969117B
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- leeb hardness
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Abstract
The invention provides a kind of Leeb Hardness Tester detection fixture and Leeb Hardness Tester pick-up unit.Described fixture comprises base, be arranged on outer, inner sleeve, the regulon on base and compress rod member, and outer sleeve has more than three the first conduits, and inner sleeve has second conduit corresponding with the first conduit; Regulon comprises main body block, obliquely runs through main body block and the female ramp way of tool, first and second tooth bar, elastic supporting member for supporting optical member, slideway, first tooth bar is arranged on the inwall of outer sleeve, the lateral surface that second tooth bar is set in main body block engages each other with the first tooth bar, slideway is arranged on the outer wall of inner sleeve along the bearing of trend of the second conduit, and the two ends of elastic supporting member for supporting optical member are fixedly installed in main body block respectively and are supported on slideway; Compress rod member have can with the external thread of screw-internal thread fit.The present invention is applicable to carry out hardness measurement to the sample of various shape, size and weight, and has the advantage that clamping force is large, easy to operate, testing accuracy is high.
Description
Technical field
The present invention relates to Leeb Hardness Tester detection corollary apparatus technical field, specifically, relate to a kind of Leeb Hardness Tester detection fixture and a kind of Leeb Hardness Tester pick-up unit comprising this Leeb Hardness Tester detection fixture.
Background technology
In general, Leeb Hardness Tester is a kind of novel portable hardness test instrument, and it has, and measuring accuracy is high, volume is little, processing ease, easy to carry, and the feature that measurement range is wide, is mainly applicable to the quick hardness test of metal material.
Leeb Hardness Tester makes according to elastic impact principle, its ultimate principle be there is certain mass impact body (such as, tungsten carbide or diamond ball head) under certain test force effect, impact specimen surface, measure impact body apart from the impact velocity at specimen surface 1mm place and rebound speed, recycling electromagnetic principle, induction velocity voltage.Lee ' hardness value represents with the ratio of impact velocity with impact body rebound speed.
According to Leeb Hardness Tester test philosophy, because its test data size depends on impact body speed.Therefore, the quality tool of Leeb Hardness Tester to the sample that it detects there are certain requirements.Usually, compared with actual hardness value, test specimen quality is more less than requirement quality, measures the hardness number data obtained more on the low side; Test specimen quality is larger, and the hardness number of mensuration is more accurate.Such as, for ensureing measuring accuracy, generally speaking, the minimum mass that Leeb Hardness Tester measures is generally 5kg.That is, under normal circumstances, the quality of Leeb Hardness Tester to the sample that it detects has lower limit requirement, and this is subject to limiting with regard to causing the usable range of Leeb Hardness Tester.
Summary of the invention
The object of the invention is to solve at least one item in prior art above shortcomings.
Such as, an object of the present invention be to provide a kind of can with Leeb Hardness Tester with the use of and the grip device that clamping force is large, easy to operate, testing accuracy is high.
An aspect of of the present present invention provides a kind of Leeb Hardness Tester detection fixture.Described fixture comprises base, is fixedly installed on outer sleeve and inner sleeve, the regulon on the upper surface of base concentrically with respect to one another and compresses rod member, wherein, outer sleeve has the first conduit circumferentially and along the short transverse of this outer sleeve extended that more than three are evenly opened in this outer sleeve, and inner sleeve has quantity and position second conduit corresponding with the first conduit of outer sleeve, regulon comprises main body block, ramp way, first tooth bar, second tooth bar, elastic supporting member for supporting optical member, slideway, wherein, main body block is run through with the direction that described short transverse is acute angle in ramp way edge, and the whole length of ramp way is formed with internal thread, first tooth bar is arranged on the inwall of outer sleeve along the bearing of trend of the first conduit, the lateral surface that second tooth bar is set in main body block engages each other with the first tooth bar, slideway is arranged on the outer wall of inner sleeve along the bearing of trend of the second conduit, one end of elastic supporting member for supporting optical member is fixedly installed in main body block, the other end of elastic supporting member for supporting optical member is supported on slideway, compress rod member through described ramp way and the external peripheral surface compressing rod member is formed can with the external thread of described screw-internal thread fit, the one end compressing rod member is positioned at inner sleeve, and the other end of clamping screw is positioned at outside outer sleeve.
In one exemplary embodiment of the present invention, the number of degrees of described acute angle can be 50 ~ 80 DEG C.
In one exemplary embodiment of the present invention, the quantity of described first conduit can be 3 ~ 6.
In one exemplary embodiment of the present invention, the described one end compressing rod member is pressed on the sample to be tested be positioned on the described upper surface of base, and the quality of described sample to be tested is less than 3kg.
Another aspect provides a kind of Leeb Hardness Tester pick-up unit.Described Leeb Hardness Tester pick-up unit comprises Leeb Hardness Tester and Leeb Hardness Tester detection fixture as above.
Compared with prior art, beneficial effect of the present invention comprises: be applicable to carry out hardness measurement to the sample of various shape, size and weight and workpiece, and have the advantage that clamping force is large, easy to operate, testing accuracy is high; Be particularly useful for being less than the parts of 3kg and the measurement of test button to quality, and its lee ' hardness accuracy of detection can be significantly improved.
Accompanying drawing explanation
By the description carried out below in conjunction with accompanying drawing, above and other object of the present invention and feature will become apparent, wherein:
Fig. 1 shows the front view of an exemplary embodiment according to Leeb Hardness Tester detection fixture of the present invention;
Fig. 2 shows the vertical view corresponding with Fig. 1 exemplary embodiment;
Fig. 3 shows the partial enlarged view of the regulon in Fig. 1.
Description of reference numerals is as follows:
1-base, 2-sample to be tested, 3-main body block, 4-compress rod member, 5-elastic supporting member for supporting optical member, 6-outer sleeve, 7-inner sleeve, 8-tooth bar and 9-slideway.
Embodiment
Hereinafter, Leeb Hardness Tester detection fixture of the present invention and Leeb Hardness Tester pick-up unit is described in detail with exemplary embodiment with reference to the accompanying drawings.
Fig. 1 shows the front view of an exemplary embodiment according to Leeb Hardness Tester detection fixture of the present invention; Fig. 2 shows the vertical view corresponding with Fig. 1 exemplary embodiment; Fig. 3 shows the partial enlarged view of the regulon in Fig. 1.It should be noted that, 3 groups of regulons evenly arranged have been shown in Fig. 2, and in view of 3 groups of regulon similar, so illustrate only one group of regulon in Fig. 1.
As shown in Figure 1 to Figure 3, in one exemplary embodiment of the present invention, Leeb Hardness Tester detection fixture comprises base 1, is fixedly installed on outer sleeve 6 and inner sleeve 7, the regulon on the upper surface of base 1 concentrically with respect to one another and compresses rod member 4.
Wherein, base 1 has smooth upper surface, and this upper surface secure bond can have outer sleeve 6 and inner sleeve 7, and sample to be tested 2 is positioned on this upper surface and to be positioned at inner sleeve 7 inner.Such as, the shape of base is rectangular parallelepiped or right cylinder, and the weight of base can be greater than 5kg, also can for being greater than 3kg.
Outer sleeve 6 has the first conduit circumferentially and along the short transverse (above-below direction as in Fig. 1) of this outer sleeve 6 extended that three are evenly opened in this outer sleeve 6.Inner sleeve 7 has quantity and position second conduit corresponding with the first conduit of outer sleeve 6.That is, inner sleeve 7 also has three and is evenly opened in circumferentially, along the short transverse of this inner sleeve 7 extending and second conduit corresponding with the position of the first slideway 9 of this inner sleeve 7.
Regulon comprises main body block 3, ramp way, two tooth bars 8, elastic supporting member for supporting optical member 5, slideways 9.Wherein, main body block 3 is run through with the direction that the short transverse of outer sleeve 6 is acute angle in ramp way edge, and the whole length of ramp way is formed with internal thread.The position of the close outer sleeve 6 of ramp way is higher than its position near inner sleeve 7.A toothed rack in two toothed rack 8 is arranged on the inwall of outer sleeve 6 along the bearing of trend (above-below direction as in Fig. 1) of the first conduit, another tooth bar is set on the lateral surface (namely towards the side of the inwall of outer sleeve) of main body block 3, and two toothed rack 8 engage each other.Slideway 9 is arranged on the outer wall of inner sleeve 7 along the bearing of trend (above-below direction as in Fig. 1) of the second conduit.Elastic supporting member for supporting optical member 5(such as, spring leaf) one end be fixedly installed in main body block 3, the other end of elastic supporting member for supporting optical member 5 is supported on slideway 9.
Compress rod member 4(such as, hold-down bolt) through ramp way and the external peripheral surface compressing rod member 4 is formed can with the external thread of described screw-internal thread fit.The one end compressing rod member 4 is positioned at inner sleeve 7, as the compression end for compressing the sample to be tested 2 be positioned on the described upper surface of base 1; The other end of clamping screw is positioned at outside outer sleeve 6, as the adjustable side for regulating.
For the Leeb Hardness Tester detection fixture of this exemplary embodiment, its using method can be: sample to be tested 2(also be can be described as test specimen to be measured) face to be detected keep flat on base 1; Inwardly press the main body block 3 of regulon, elastic supporting member for supporting optical member 5 compresses, and two toothed rack 8 are separated, the main body block 3 of regulon slides up and down, after unclamping to target bit, elastic supporting member for supporting optical member 5 makes two toothed rack 8 engage to the outside power of the main body block 3 of regulon, and the main body block 3 of regulon is fixed; By the inwardly precession thus sample to be tested 2 is clamped of all compression rod members 4.Leeb Hardness Tester can be adopted to test the hardness of test specimen to be measured.
That is, under the resiliency supported effect of elastic supporting member for supporting optical member 5, the tooth bar be positioned in main body block 3 is engaged with each other with the tooth bar be positioned on outer sleeve 6, thus can fixes by main body block 3 with through the position of the compression rod member 4 in main body block 3.When needing to regulate the height of regulon, to main body block 3 or the acting force that rod member 4 applies from outer sleeve 6 to inner sleeve 7 direction can be compressed, compressed to make elastic supporting member for supporting optical member 5, two toothed rack depart from each other simultaneously, then, the acting force along short transverse (above-below direction as in Fig. 1) is applied to main body block 3 or compression rod member 4, then by the slip of elastic supporting member for supporting optical member 5 in slideway 9, after unit to be regulated moves to target location, remove acting force, two toothed rack engage again, and regulon is fixed.In addition, by turning the compression rod member 4 coordinated with the ramp way of regulon, can regulate and compress the length of rod member 4 in inner sleeve 7, thus can compress the sample to be tested 2 of different size.
In an exemplary embodiment of the present invention, the number of degrees of the acute angle tilted between logical edge and the short transverse of outer sleeve 6 are preferably 50 ~ 80 DEG C, that is, the angle of clamping screw and horizontal direction is 10 ~ 40 DEG C, thus both direction can be provided (such as to sample to be tested 2 simultaneously, horizontal direction and vertical direction) snap-in force, this is equivalent to adopt coupling and method of compacting to improve the inertia of test specimen to be measured, and its effect is equal to the actual mass improving test specimen to be measured.But, the present invention is not limited thereto, as long as tilt between logical edge and the short transverse of outer sleeve 6 in acute angle.
In an exemplary embodiment of the present invention, the quantity of the first conduit, the second conduit, regulon, compression rod member 4 is equal.And preferably, the quantity of the first conduit, the second conduit, regulon, compression rod member 4 all can be 3 ~ 6.But, the present invention is not limited thereto, as long as the quantity of the first conduit, the second conduit, regulon, compression rod member 4 is not less than 3 respectively.
Another aspect provides a kind of Leeb Hardness Tester pick-up unit.Described Leeb Hardness Tester pick-up unit comprises Leeb Hardness Tester, and described Leeb Hardness Tester pick-up unit also comprises the Leeb Hardness Tester detection fixture with structure described above.
In sum, Leeb Hardness Tester detection fixture of the present invention and Leeb Hardness Tester pick-up unit are applicable to carry out hardness measurement to the sample of various shape, size and weight and workpiece, and have the advantage that clamping force is large, easy to operate, testing accuracy is high; Especially quality is less than to parts and the test button of 3kg, the present invention can significantly improve its lee ' hardness accuracy of detection.
Although describe the present invention with exemplary embodiment by reference to the accompanying drawings above, those of ordinary skill in the art should be clear, when not departing from the spirit and scope of claim, can carry out various amendment to above-described embodiment.
Claims (5)
1. a Leeb Hardness Tester detection fixture, described fixture comprises base and compresses rod member, it is characterized in that, described fixture also comprises and is fixedly installed on outer sleeve on the upper surface of base and inner sleeve and regulon concentrically with respect to one another, wherein,
Outer sleeve has the first conduit circumferentially and along the short transverse of this outer sleeve extended that more than three are evenly opened in this outer sleeve, and inner sleeve has quantity and position second conduit corresponding with the first conduit of outer sleeve;
Regulon comprises main body block, ramp way, first tooth bar, second tooth bar, elastic supporting member for supporting optical member, slideway, wherein, main body block is run through with the direction that described short transverse is acute angle in ramp way edge, and the whole length of ramp way is formed with internal thread, first tooth bar is arranged on the inwall of outer sleeve along the bearing of trend of the first conduit, the lateral surface that second tooth bar is set in main body block engages each other with the first tooth bar, slideway is arranged on the outer wall of inner sleeve along the bearing of trend of the second conduit, one end of elastic supporting member for supporting optical member is fixedly installed in main body block, the other end of elastic supporting member for supporting optical member is supported on slideway,
Compress rod member through described ramp way and the external peripheral surface compressing rod member is formed can with the external thread of described screw-internal thread fit, the one end compressing rod member is positioned at inner sleeve, and the other end of clamping screw is positioned at outside outer sleeve.
2. Leeb Hardness Tester detection fixture according to claim 1, is characterized in that, the number of degrees of described acute angle are 50 ~ 80 DEG C.
3. Leeb Hardness Tester detection fixture according to claim 1, is characterized in that, the quantity of described first conduit is 3 ~ 6.
4. Leeb Hardness Tester detection fixture according to claim 1, is characterized in that, the described one end compressing rod member is pressed on the sample to be tested be positioned on the described upper surface of base, and the quality of described sample to be tested is less than 3kg.
5. a Leeb Hardness Tester pick-up unit, described Leeb Hardness Tester pick-up unit comprises Leeb Hardness Tester, it is characterized in that, described Leeb Hardness Tester pick-up unit also comprises as the Leeb Hardness Tester detection fixture in Claims 1-4 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410173194.5A CN103969117B (en) | 2014-04-25 | 2014-04-25 | Leeb Hardness Tester detection fixture and Leeb Hardness Tester pick-up unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410173194.5A CN103969117B (en) | 2014-04-25 | 2014-04-25 | Leeb Hardness Tester detection fixture and Leeb Hardness Tester pick-up unit |
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| CN103969117A CN103969117A (en) | 2014-08-06 |
| CN103969117B true CN103969117B (en) | 2016-02-17 |
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| CN201410173194.5A Active CN103969117B (en) | 2014-04-25 | 2014-04-25 | Leeb Hardness Tester detection fixture and Leeb Hardness Tester pick-up unit |
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Citations (10)
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| US4442705A (en) * | 1982-06-14 | 1984-04-17 | Page-Wilson Corporation | Clamping nosepiece for hardness tester |
| CN2909231Y (en) * | 2006-05-31 | 2007-06-06 | 武汉钢铁(集团)公司 | Chuck of metal wire torsion testing machine |
| CN201548471U (en) * | 2009-11-20 | 2010-08-11 | 洛阳汇工大型轴承制造有限公司 | Supporting ring for Leeb hardness tester |
| CN202119672U (en) * | 2011-06-23 | 2012-01-18 | 椿中岛机械(太仓)有限公司 | Clamp special for measuring tools of Rockwell hardometer |
| CN202661346U (en) * | 2012-05-15 | 2013-01-09 | 西安陕鼓动力股份有限公司 | Universal tool for Rockwell hardness detection |
| CN102879263A (en) * | 2012-10-15 | 2013-01-16 | 上海锅炉厂有限公司 | Fixture for testing hardness and application method |
| CN203117061U (en) * | 2013-02-26 | 2013-08-07 | 黄骋 | Comparison testing device for hardness of mine geologic materials |
| CN203376205U (en) * | 2013-06-29 | 2014-01-01 | 西北矿冶研究院 | Hardness meter frock |
| CN203519414U (en) * | 2013-10-30 | 2014-04-02 | 国家电网公司 | Curved surface supporting device of Leeb hardness tester |
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2014
- 2014-04-25 CN CN201410173194.5A patent/CN103969117B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1081832A (en) * | 1965-02-10 | 1967-09-06 | Italsider Spa | Method and apparatus for non-destructive micrographic testing |
| US4442705A (en) * | 1982-06-14 | 1984-04-17 | Page-Wilson Corporation | Clamping nosepiece for hardness tester |
| CN2909231Y (en) * | 2006-05-31 | 2007-06-06 | 武汉钢铁(集团)公司 | Chuck of metal wire torsion testing machine |
| CN201548471U (en) * | 2009-11-20 | 2010-08-11 | 洛阳汇工大型轴承制造有限公司 | Supporting ring for Leeb hardness tester |
| CN202119672U (en) * | 2011-06-23 | 2012-01-18 | 椿中岛机械(太仓)有限公司 | Clamp special for measuring tools of Rockwell hardometer |
| CN202661346U (en) * | 2012-05-15 | 2013-01-09 | 西安陕鼓动力股份有限公司 | Universal tool for Rockwell hardness detection |
| CN102879263A (en) * | 2012-10-15 | 2013-01-16 | 上海锅炉厂有限公司 | Fixture for testing hardness and application method |
| CN203117061U (en) * | 2013-02-26 | 2013-08-07 | 黄骋 | Comparison testing device for hardness of mine geologic materials |
| CN203376205U (en) * | 2013-06-29 | 2014-01-01 | 西北矿冶研究院 | Hardness meter frock |
| CN203519414U (en) * | 2013-10-30 | 2014-04-02 | 国家电网公司 | Curved surface supporting device of Leeb hardness tester |
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| CN103969117A (en) | 2014-08-06 |
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