CN109781507B - Balance device for measuring hardness of super-long sample - Google Patents
Balance device for measuring hardness of super-long sample Download PDFInfo
- Publication number
- CN109781507B CN109781507B CN201910160739.1A CN201910160739A CN109781507B CN 109781507 B CN109781507 B CN 109781507B CN 201910160739 A CN201910160739 A CN 201910160739A CN 109781507 B CN109781507 B CN 109781507B
- Authority
- CN
- China
- Prior art keywords
- hardness
- measuring platform
- guide rail
- telescopic guide
- platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a hardness measurement balancing device for an ultralong sample, which comprises a first hardness meter measuring platform (1) and a second hardness meter measuring platform (2); the first hardness meter measuring platform (1) is positioned at the top of the second hardness meter measuring platform (2); the lower part of the left side of the second hardness meter measuring platform (2) is fixedly connected with the right end of a first telescopic guide rail (51); the left end of the first telescopic guide rail (51) is hinged with the lower ends of the connecting columns (6) which are vertically distributed through first hinges (41); the upper end of the connecting column (6) is hinged with the right end of the second telescopic guide rail (52) through a second hinge (42); the top of the first hardness meter measuring platform (1) is used for placing a metal sample; the first durometer measurement platform (1) is located directly below the indenter that the durometer has. The invention can realize the measurement of the edge hardness of the ultra-long metal sample through the conventional hardness tester, ensure the measurement precision and enlarge the application range of the conventional hardness tester.
Description
Technical Field
The invention relates to the technical field of hardness measurement, in particular to a balance device for measuring hardness of an ultra-long sample.
Background
At present, when a hardness tester is used for measuring the hardness of a metal sample, the size of a metal test block capable of normally measuring the hardness is not too large.
However, when the hardness of the edge in the length direction of an ultra-long metal sample (i.e. a metal sample with a length of more than or equal to 200 mm) needs to be measured, the conventional hardness tester cannot measure the hardness, and at this time, a special-model ultra-large hardness tester measuring platform needs to be purchased, so that the hardness measuring cost of the ultra-long metal sample by people is remarkably increased, and the inconvenience is brought to the daily measurement of people.
Therefore, there is an urgent need to develop a technology that can measure the edge hardness of an ultra-long metal sample by a conventional hardness tester, ensure the measurement accuracy, and further expand the application range of the conventional hardness tester.
Disclosure of Invention
In view of this, the present invention provides a balancing apparatus for measuring hardness of an ultra-long sample, which can measure hardness of an edge of an ultra-long metal sample by using a conventional hardness tester, ensure measurement accuracy, further expand a use range of the conventional hardness tester, facilitate popularization and application, and have great significance in production practice.
Therefore, the invention provides a hardness measurement balancing device for an ultra-long sample, which comprises a first hardness meter measuring platform and a second hardness meter measuring platform, wherein the first hardness meter measuring platform is horizontally distributed;
the first hardness meter measuring platform is positioned at the top of the second hardness meter measuring platform;
the lower part of the left side of the second hardness meter measuring platform is fixedly connected with the right end of the first telescopic guide rail;
the left end of the first telescopic guide rail is hinged with the lower ends of the connecting columns which are vertically distributed through a first hinge;
the upper end of the connecting column is hinged with the right end of the second telescopic guide rail through a second hinge;
the top of the first hardness meter measuring platform is used for placing a metal sample needing hardness measurement;
the first durometer measurement platform is located directly below a indenter that the durometer has.
Wherein the second durometer measurement platform is a cylindrical platform.
Wherein, the top of first sclerometer measuring platform is smooth horizontal plane.
The bottom of the first telescopic guide rail and the bottom of the second hardness meter measuring platform are located on the same horizontal plane.
The sum of the heights of the connecting column and the second telescopic guide rail is equal to the sum of the heights of the first hardness meter measuring platform and the second hardness meter measuring platform.
Wherein, the left end of the second telescopic guide rail is inserted with a telescopic rod which can slide left and right;
the right end of the second telescopic guide rail is provided with a balance head protruding rightwards.
Wherein the balancing head is triangular in shape and the right side tip of the balancing head faces the left side of the first durometer measurement platform.
The height of the right side tip of the balance head is higher than the bottom surface height of the first hardness meter measuring platform.
And the lower part of the left side of the second hardness meter measuring platform is fixedly connected with the right end of the first telescopic guide rail through a first fixing bolt.
The first hinge is fixedly connected with the connecting column through a second fixing bolt;
and the second hinge is fixedly connected with the right end of the second telescopic guide rail through a third fixing bolt.
Compared with the prior art, the technical scheme provided by the invention has the advantages that the hardness measurement balancing device for the ultra-long test sample can realize the measurement of the edge hardness of the ultra-long metal test sample through the conventional hardness tester, ensures the measurement precision, further expands the application range of the conventional hardness tester, is beneficial to popularization and application, and has great production practice significance.
Drawings
FIG. 1 is a schematic diagram of a structure of a balancing device for measuring hardness of an ultra-long sample provided by the invention.
Detailed Description
In order that those skilled in the art will better understand the technical solution of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings and embodiments.
Referring to fig. 1, the invention provides a hardness measurement balancing device for an ultra-long sample, which comprises a first hardness meter measuring platform 1 and a second hardness meter measuring platform 2, wherein the first hardness meter measuring platform 1 is horizontally distributed, and the second hardness meter measuring platform 2 is vertically distributed;
the first durometer measurement platform 1 is positioned on top of the second durometer measurement platform 2;
the lower part of the left side of the second hardness meter measuring platform 2 is fixedly connected with the right end of a first telescopic guide rail 51;
the left end of the first telescopic guide rail 51 is hinged with the lower ends of the connecting columns which are vertically distributed through a first hinge 41;
the upper end of the connecting column is hinged with the right end of the second telescopic guide rail 52 through a second hinge 42;
the top of the first hardness tester measuring platform 1 is used for placing a metal sample (for example, an ultra-long metal sample with the length being more than or equal to 200 mm) needing to be measured in hardness;
the first durometer measurement platform 1 is located directly below the indenter that a durometer (i.e., a conventional durometer) has.
It should be noted that the hardness tester is an existing hardness tester. Metal hardness measurement, which refers to the ability of a material to resist the pressing of hard objects into its surface. It is one of the important performance indexes of metal materials. Generally, the higher the hardness, the better the wear resistance.
The existing hardness tester vertically presses a pressing head (or a pressing needle) on the hardness tester into a metal sample to be measured, and measures the hardness of the metal sample according to the deformation caused by pressing the pressing head (or the pressing needle) into the surface of the metal sample.
In particular, the indenter on the hardness tester is a normal component of the existing hardness tester, which can move up and down in the vertical direction, and the related structure and driving operation principle of the indenter on the hardness tester are well known in the prior art and are not described herein.
In a specific implementation of the present invention, the second durometer measurement platform 2 is a cylindrical platform.
In the invention, in particular, the top of the first hardness tester measuring platform 1 is a smooth horizontal plane and is used for placing a metal sample needing to be measured for hardness, so that the metal sample can be further uniformly stressed during hardness measurement.
In the present invention, in a specific implementation, the bottom of the first telescopic rail 51 and the bottom of the second durometer measurement platform 2 are located on the same horizontal plane.
In the present invention, in a specific implementation, the sum of the heights of the connecting column and the second telescopic guide rail 52 is equal to the sum of the heights of the first durometer measurement platform 1 and the second durometer measurement platform 2.
In the present invention, in a specific implementation, a telescopic rod 521 capable of sliding left and right is inserted into the left end of the second telescopic guide rail 52;
the right end of the second telescopic rail 52 has a balance head 522 protruding rightward.
In a specific implementation, the shape of the balance head 522 is a triangle, and the right tip of the balance head 522 faces the left side surface of the first durometer measurement platform 1;
in a specific implementation, the height of the right-side tip of the balance head 522 is higher than the bottom height of the first hardness measuring platform 1. Therefore, when the first telescopic rail 51 is retracted rightward, the balance head 522 can be brought into contact with the left side surface of the first durometer measurement platform 1, thereby ensuring better balance.
In the present invention, in a concrete implementation, the right end of the first telescopic rail 51 is fixedly connected to the lower left portion of the second durometer measurement platform 2 through the first fixing bolt 31.
In the present invention, in a specific implementation, the first hinge 41 is fixedly connected to the connecting column through the second fixing bolt 32.
In the present invention, in a concrete implementation, the second hinge 42 is fixedly connected to the right end of the second telescopic rail 52 through a third fixing bolt 33.
It should be noted that, for the balance device for measuring hardness of an ultralong sample provided by the invention, the first telescopic guide rail and the second telescopic guide rail are fixed through the first hinge, the second hinge and the three fixing bolts, and meanwhile, the assembly is fixed on the second hardness tester measuring platform, and the two telescopic guide rails can measure the length of a metal test piece with hardness according to needs to perform corresponding adjustment.
The balance device for measuring the hardness of the ultralong test piece is simple and convenient in specific operation, does not need to process the ultralong test piece, can ensure that the ultralong test piece is normally measured by a conventional hardness tester, and ensures the measurement precision.
In the invention, the super-long samples (for example, the section is less than or equal to 30mm multiplied by 30mm) made of different materials can be used for hardness measurement by adopting the mechanism, and the application range is wide.
The hardness measurement balancing device for the ultralong sample provided by the invention mainly comprises the following steps of:
first, the balancing device of the invention is deployed: specifically, a first telescopic guide rail and a second telescopic guide rail are respectively turned over along corresponding hinges and fixed by the hinges, and the length of the two telescopic guide rails is adjusted;
then, sample length measurement and telescopic guide rail adjustment are carried out: measuring the length of a metal sample by using a ruler or a vernier caliper, and adjusting two telescopic guide rails according to the length of the sample;
finally, hardness measurement: the method comprises the steps of placing a metal sample on a second telescopic guide rail and a first hardness tester measuring platform 1, aligning the position (such as the center position, the edge position or other preset positions) of hardness to be measured with a pressure head of a conventional hardness tester, measuring the hardness through the pressure head of the conventional hardness tester, adjusting the two telescopic guide rails after measurement, replacing the measuring position of the metal sample, measuring the hardness again, when the measured length is over half, replacing the measuring direction of the metal sample, and starting measurement from the other end, and thus, finishing measurement of the hardness of the metal sample in the whole length direction.
For better understanding of the present invention, the following describes the related process of hardness measurement of different metal samples by using the balance device for measuring hardness of a super-long sample provided by the present invention in combination with the first embodiment, the second embodiment and the third embodiment.
The first embodiment.
The hardness measurement is carried out on a metal sample of the ultralong low-carbon alloy steel Q345B with the length of 200mm, the width of 30mm and the height of 30mm, and the specific process is as follows:
first, the balancing device of the invention is deployed: specifically, the first telescopic guide rail and the second telescopic guide rail are respectively turned over along corresponding hinges and fixed by the hinges, and the length of the second telescopic guide rail is adjusted to 150mm, so that the balancing device is stable;
then, hardness measurement: the metal sample is placed on the second telescopic guide rail and the first hardness tester measuring platform 1, hardness measurement is started from the center of the sample, the center position of the sample to be measured is aligned with a pressure head of a conventional hardness tester, then hardness measurement is performed through the pressure head of the conventional hardness tester, after measurement, the second telescopic guide rail is adjusted to contract towards the right by 5mm, so that the measurement position of the metal sample is adjusted, hardness is measured again, when the measurement length is over half, the measurement direction of the metal sample needs to be changed, measurement is started from the other end, and therefore the hardness of the metal sample in the whole length direction is measured.
Table 1 below shows the hardness measurement data in the longitudinal direction at the center position of the metal sample of example one.
Table 1:
the hardness value measured by the method is real and credible.
Example two.
The hardness measurement is carried out on a metal sample of the ultra-long TC4 titanium alloy with the length of 300mm, the width of 15mm and the height of 15mm by the following specific process:
first, the balancing device of the invention is deployed: specifically, the first telescopic guide rail and the second telescopic guide rail are respectively turned over along corresponding hinges and fixed by the hinges, and the length of the second telescopic guide rail is adjusted to 250mm, so that the balancing device is stable;
then, hardness measurement: put metal specimen on the flexible guide rail of second and first sclerometer measuring platform 1, from limit portion hardness measurement, the limit portion position alignment that will await measuring is the pressure head of conventional sclerometer, then through the pressure head of conventional sclerometer, carry out hardness measurement, after measuring, adjust the flexible guide rail of second and contract 5mm to the right, thereby adjust metal specimen's measuring position, measure the hardness once more, when measuring length the excessive time, need to change metal specimen's measuring direction, measure from the other end, so, until the hardness of metal specimen's whole length direction is measured and is accomplished.
Table 2 below shows the hardness measurement data in the longitudinal direction at the center position of the metal sample of example two.
Table 2:
the hardness value measured by the method is real and credible.
Example three.
The hardness measurement is carried out on a metal sample of an ultralong cobalt-based alloy with the length of 500mm, the width of 10mm and the height of 10mm, and the specific process is as follows:
first, the balancing device of the invention is deployed: specifically, the first telescopic guide rail and the second telescopic guide rail are respectively turned over along corresponding hinges and fixed by the hinges, and the length of the second telescopic guide rail is adjusted to 400mm, so that the balancing device is stable;
then, hardness measurement: put metal specimen on the flexible guide rail of second and first sclerometer measuring platform 1, from limit portion hardness measurement, the limit portion position alignment that will await measuring is the pressure head of conventional sclerometer, then through the pressure head of conventional sclerometer, carry out hardness measurement, after measuring, adjust the flexible guide rail of second and contract 5mm to the right, thereby adjust metal specimen's measuring position, measure the hardness once more, when measuring length the excessive time, need to change metal specimen's measuring direction, measure from the other end, so, until the hardness of metal specimen's whole length direction is measured and is accomplished.
Table 3 below shows the hardness measurement data in the longitudinal direction at the center position of the metal sample of example three.
Table 3:
the measured hardness values are real and credible.
Compared with the prior art, the balance device for measuring the hardness of the ultralong test sample provided by the invention can realize measurement of the edge hardness of the ultralong metal test sample through the conventional hardness tester, ensures the measurement precision, further expands the application range of the conventional hardness tester, is beneficial to popularization and application, and has great production and practice significance.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The device for measuring and balancing the hardness of the ultralong sample is characterized by comprising a first hardness tester measuring platform (1) and a second hardness tester measuring platform (2), wherein the first hardness tester measuring platform (1) is horizontally distributed;
the first hardness meter measuring platform (1) is positioned at the top of the second hardness meter measuring platform (2);
the lower part of the left side of the second hardness meter measuring platform (2) is fixedly connected with the right end of a first telescopic guide rail (51);
the left end of the first telescopic guide rail (51) is hinged with the lower ends of the connecting columns which are vertically distributed through a first hinge (41);
the upper end of the connecting column is hinged with the right end of the second telescopic guide rail (52) through a second hinge (42);
the top of the first hardness meter measuring platform (1) is used for placing a metal sample needing hardness measurement;
the first hardness tester measuring platform (1) is positioned right below a pressure head of a hardness tester;
the bottom of the first telescopic guide rail (51) and the bottom of the second hardness meter measuring platform (2) are positioned on the same horizontal plane;
the sum of the heights of the connecting column and the second telescopic guide rail (52) is equal to the sum of the heights of the first hardness meter measuring platform (1) and the second hardness meter measuring platform (2);
a telescopic rod (521) capable of sliding left and right is inserted into the left end of the second telescopic guide rail (52);
the right end of the second telescopic guide rail (52) is provided with a balance head (522) protruding rightwards;
the balancing head (522) is triangular in shape, and the right-hand tip of the balancing head (522) faces the left-hand side of the first durometer measurement platform (1);
the height of the right side tip of the balance head (522) is higher than the bottom surface height of the first hardness meter measuring platform (1).
2. The balancing apparatus for measuring hardness of very long test specimens according to claim 1, characterized in that the second hardness measuring platform (2) is a cylindrical platform.
3. The apparatus for balancing measurement of hardness of very long test specimens according to claim 1, characterized in that the top of the first hardness measuring platform (1) is a smooth horizontal plane.
4. The balance device for measuring hardness of an overlength sample according to any one of claims 1 to 3, wherein the right end of the first telescopic guide rail (51) is fixedly connected to the lower left side of the second hardness meter measuring platform (2) through a first fixing bolt (31).
5. The balance device for measuring hardness of an ultralong sample according to any one of claims 1 to 3, wherein the first hinge (41) is fixedly connected with the connecting column through a second fixing bolt (32);
the second hinge (42) is fixedly connected with the right end of the second telescopic guide rail (52) through a third fixing bolt (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160739.1A CN109781507B (en) | 2019-03-04 | 2019-03-04 | Balance device for measuring hardness of super-long sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160739.1A CN109781507B (en) | 2019-03-04 | 2019-03-04 | Balance device for measuring hardness of super-long sample |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109781507A CN109781507A (en) | 2019-05-21 |
| CN109781507B true CN109781507B (en) | 2021-07-20 |
Family
ID=66487380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910160739.1A Active CN109781507B (en) | 2019-03-04 | 2019-03-04 | Balance device for measuring hardness of super-long sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109781507B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1010511A1 (en) * | 1981-07-30 | 1983-04-07 | Московский Ордена Трудового Красного Знамени Институт Тонкой Химической Технологии Им.М.В.Ломоносова | Hardness meter |
| GB2258536A (en) * | 1991-08-07 | 1993-02-10 | Joseph Trevor Sidaway | Method of testing the surface of an elongated piece of material and apparatus for use in the method. |
| CN201535736U (en) * | 2009-08-10 | 2010-07-28 | 鞍钢股份有限公司 | Fixture for clamping hardness test specimen |
| CN103335904A (en) * | 2013-05-31 | 2013-10-02 | 郑州海意科技有限公司 | Measurement device for hardness of filter stick or cigarette |
| CN203803948U (en) * | 2014-03-17 | 2014-09-03 | 佛山市佛冶机械设备有限公司 | Balance device for double-chain drawing machine |
| CN105817911A (en) * | 2016-05-16 | 2016-08-03 | 宁波新州焊接设备有限公司 | Double-layer lifting workbench |
| CN207248656U (en) * | 2017-09-11 | 2018-04-17 | 江苏丰源车业有限公司 | A kind of skylight guide way hardness detection device |
| CN207423710U (en) * | 2017-11-15 | 2018-05-29 | 广州帕理检测技术有限公司 | A kind of irregular sample Vickers hardness test auxiliary tool |
| WO2018099688A1 (en) * | 2016-11-29 | 2018-06-07 | Helmut Fischer GmbH Institut für Elektronik und Messtechnik | Measuring system, measuring arrangement and method for determining measuring signals during a penetration movement of a penetration body into a surface of a test body |
| CN108717018A (en) * | 2018-08-02 | 2018-10-30 | 苏州贝尔斯特自动化科技有限公司 | A kind of hardness tester |
-
2019
- 2019-03-04 CN CN201910160739.1A patent/CN109781507B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1010511A1 (en) * | 1981-07-30 | 1983-04-07 | Московский Ордена Трудового Красного Знамени Институт Тонкой Химической Технологии Им.М.В.Ломоносова | Hardness meter |
| GB2258536A (en) * | 1991-08-07 | 1993-02-10 | Joseph Trevor Sidaway | Method of testing the surface of an elongated piece of material and apparatus for use in the method. |
| CN201535736U (en) * | 2009-08-10 | 2010-07-28 | 鞍钢股份有限公司 | Fixture for clamping hardness test specimen |
| CN103335904A (en) * | 2013-05-31 | 2013-10-02 | 郑州海意科技有限公司 | Measurement device for hardness of filter stick or cigarette |
| CN203803948U (en) * | 2014-03-17 | 2014-09-03 | 佛山市佛冶机械设备有限公司 | Balance device for double-chain drawing machine |
| CN105817911A (en) * | 2016-05-16 | 2016-08-03 | 宁波新州焊接设备有限公司 | Double-layer lifting workbench |
| WO2018099688A1 (en) * | 2016-11-29 | 2018-06-07 | Helmut Fischer GmbH Institut für Elektronik und Messtechnik | Measuring system, measuring arrangement and method for determining measuring signals during a penetration movement of a penetration body into a surface of a test body |
| CN207248656U (en) * | 2017-09-11 | 2018-04-17 | 江苏丰源车业有限公司 | A kind of skylight guide way hardness detection device |
| CN207423710U (en) * | 2017-11-15 | 2018-05-29 | 广州帕理检测技术有限公司 | A kind of irregular sample Vickers hardness test auxiliary tool |
| CN108717018A (en) * | 2018-08-02 | 2018-10-30 | 苏州贝尔斯特自动化科技有限公司 | A kind of hardness tester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109781507A (en) | 2019-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103091163B (en) | Device for measuring elongation and cross section shrink rate of metal stretching sample through fast clamping | |
| CN107131816B (en) | A kind of quick rock characterization analyzer of push-pull type | |
| CN206292121U (en) | One kind is multi-functional to mount strength test device | |
| KR20180071035A (en) | Elongation measuring device | |
| CN109781507B (en) | Balance device for measuring hardness of super-long sample | |
| CN212512774U (en) | Measuring tool | |
| CN211740870U (en) | Adjusting structure for hydraulic stretching detection of metal material | |
| CN207717500U (en) | A kind of auxiliary device improving brineling precision | |
| CN106289981B (en) | Curb bending test device | |
| CN103512506B (en) | Gap between automobile front and back door and jump range estimation training station | |
| CN208902724U (en) | A kind of measuring device that concrete sample limitation is expanded, shunk | |
| CN217033374U (en) | Double-station tensile sample elongation after fracture measuring device | |
| CN105717386A (en) | Hairdryer test device having three-dimensional adjusting fixing device | |
| CN212008093U (en) | Concrete bending resistance testing machine | |
| CN202583183U (en) | Concrete contractometer | |
| CN209043725U (en) | Glass plate four-point bending test device | |
| CN209656184U (en) | A kind of structure stress of bridge detection device | |
| CN111504830A (en) | Rock wear resistance experiment instrument | |
| CN215296918U (en) | Double-push adjustable span bending mechanical property test auxiliary tool | |
| CN202166401U (en) | Sucker fixed adjustable strain testing apparatus | |
| CN206235278U (en) | A kind of sheet metal stretched thickness reduction manual measurement platform | |
| CN216449352U (en) | Rebar reverse bending tester | |
| CN201653327U (en) | Multi-purpose floating workbench | |
| CN212008081U (en) | Four-point bending loading device | |
| CN220418988U (en) | Resistance ceramic matrix fracture resistance tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |