CN112630071A - Leveling and fixing device for Vickers hardness test surface of cylindrical embedded sample - Google Patents
Leveling and fixing device for Vickers hardness test surface of cylindrical embedded sample Download PDFInfo
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- CN112630071A CN112630071A CN202011442317.2A CN202011442317A CN112630071A CN 112630071 A CN112630071 A CN 112630071A CN 202011442317 A CN202011442317 A CN 202011442317A CN 112630071 A CN112630071 A CN 112630071A
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- 238000007545 Vickers hardness test Methods 0.000 title claims abstract description 19
- 238000012360 testing method Methods 0.000 claims abstract description 16
- 244000309464 bull Species 0.000 claims abstract description 9
- 241000834287 Cookeolus japonicus Species 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 abstract description 14
- 241000283690 Bos taurus Species 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a surface leveling and fixing device for a Vickers hardness test of a cylindrical embedded sample, which comprises a supporting module device and a fixing device; the supporting module device comprises a shell and a top cover, wherein the top cover is arranged on the upper end face of the shell, and a first through hole is formed in the center of the top cover; the fixing device is arranged in the shell; the fixing device comprises a ball bulleye, a rotating disk, an internal thread connecting ring and a ball; the ball is arranged on the upper end face of the ball eye; the rotating disc is provided with a second through hole; the ball cow eye is arranged at the rotating disc based on the second through hole; the ball bullnose comprises a first screw rod; the internal thread connecting ring is arranged at the bottom of the shell. Through setting up support module and fixed module, the top cap of removable different central aperture, accessible rotary disk height-adjusting, the mosaic of adaptable co-altitude not, the ball on the ball bull's eye can rotate moreover, can effectively solve the problem that detects the face slope and the experimental error that leads to the test surface leveling of mosaic in the test process.
Description
Technical Field
The invention relates to the technical field of hardness tests, in particular to a surface leveling and fixing device for a Vickers hardness test of a cylindrical embedded sample.
Background
When the metal small-load Vickers hardness test is carried out, the pressure head and the detection surface are in a vertical state in order to ensure the indicating accuracy. For a metal sample of a fine size, it is usually necessary to perform hot/cold inlaying with a resin-based substance and then to make the sample by grinding and polishing. The grinding process is especially manual to grind because the unbalanced pressure application often leads to the slope of sample abrasive surface, and direct measurement can increase measuring error, seriously influences the accuracy of testing data, like the current device experiment effect schematic diagram that fig. 2 shows, the experimental error that sample detection face slope and lead to can't be eliminated to current equipment, can not make the assurance to the accuracy of experiment, can't obtain effectual experimental data.
Disclosure of Invention
Aiming at the defects of the prior art, the device is provided with the leveling and fixing device for the Vickers hardness test surface of the cylindrical embedded sample, the device is provided with the supporting module and the fixing module, the supporting module adopts the replaceable top cover plate, the top covers with different central apertures can be replaced according to the diameter of the sample embedding body in the using process, and the using range of the device is expanded; height-adjusting about fixed module accessible rotary disk, the adaptable not mosaic of co-altitude of use, ball bull's eye can rotate moreover, can be to the test surface leveling of mosaic in the test process, effectively solves the problem that detects the face slope and the experimental error that leads to.
In order to achieve the purpose, the invention provides a surface leveling and fixing device for a Vickers hardness test of a cylindrical embedded sample, which comprises a supporting module device and a fixing device;
the supporting module device comprises a shell and a top cover, wherein the top cover is arranged on the upper end face of the shell, and a first through hole is formed in the center of the top cover;
the fixing device is arranged in the shell;
the fixing device comprises a ball bulleye, a rotating disc, an internal thread connecting ring and balls;
the ball is arranged on the upper end face of the ball eye; the rotating disc is provided with a second through hole; the ball bulls eye is arranged at the rotating disc based on the second through hole; the ball bull eye comprises a first screw rod which is matched with the internal thread connecting ring; the internal thread connecting ring is arranged at the bottom of the shell.
As a preferred technical scheme of the invention, the shell further comprises an annular supporting frame and a base;
the top cover, the annular supporting frame and the base are respectively provided with 4 first screw holes at corresponding positions; the top cover, the annular support frame and the base are sequentially fixed through the corresponding first screw holes from top to bottom through screws.
As a preferred embodiment of the present invention, the top cover and the annular supporting frame are configured to have a semicircular structure for convenience of operation.
As a preferred technical scheme of the invention, a third through hole is arranged in the center of the base; the internal thread connecting ring is arranged at the third through hole; the size of the internal thread connecting ring is the same as that of the third through hole.
As a preferred technical scheme of the invention, a circular groove is formed in the center of the rotating disc, and three second screw holes are uniformly formed in the circular groove; the circular groove is provided with a fourth through hole; the screw rod penetrates through the fourth through hole, and the ball eye is arranged at the circular groove.
As a preferable technical solution of the present invention, a third screw hole is provided at a position corresponding to the second screw hole in the ball eye, and the third screw hole and the second screw hole are fixedly connected by a screw.
In a preferred embodiment of the present invention, the diameter of the first circular groove is larger than the diameter of the ball eye, and the diameter of the fourth through hole is larger than the diameter of the screw.
In summary, due to the adoption of the technical scheme, the invention has the following technical effects: by arranging the supporting module and the fixing module, the supporting module adopts a replaceable top cover plate, and the top covers with different central apertures can be replaced according to the diameter of the sample mosaic body in the using process, so that the using range of the device is expanded; height-adjusting about fixed module accessible rotary disk, the adaptable not mosaic body of co-altitude of use, the ball on the ball bull's eye can rotate moreover, can be to the test surface leveling of mosaic body in the test process, effectively solves the problem of the experimental error that detects the face slope and lead to. The whole device is reasonable in arrangement, stable in support and convenient and reliable to operate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an exploded view of the structure of the Vickers hardness test surface leveling and fixing device for a cylindrical mosaic sample according to the present invention;
fig. 2 is a schematic diagram of experimental effects of a conventional apparatus.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1, fig. 1 is a schematic structural explosion diagram of a surface leveling and fixing device for vickers hardness test of a cylindrical mosaic sample according to the present invention.
Specifically, the surface leveling and fixing device 2 for the vickers hardness test of the cylindrical embedded sample shown in the embodiment of the invention in the experiment comprises a supporting module device 1 and a fixing device 2; the supporting module device 1 comprises a shell and a top cover 11, wherein the top cover 11 is arranged on the upper end face of the shell, and a first through hole 12 is formed in the center of the top cover 11; the fixing device 2 is arranged in the shell; the fixing device 2 comprises a ball bulleye 21, a rotating disc 22, an internal thread connecting ring 23 and balls 24; the ball 24 is arranged on the upper end face of the ball eye 21; the rotating disc 22 is provided with a second through hole 25; the ball bracket 21 is arranged at the rotating disc 22 based on the second through hole 25; the ball bullnose 21 comprises a first screw 26, and the first screw 26 is matched with the internal thread connecting ring 23; the internally threaded connecting ring 23 is provided at the bottom of the housing. By arranging the supporting module device 1 and the fixing device 2, the supporting module device 1 adopts a replaceable top cover 11 plate, and the top covers 11 with different central apertures can be replaced according to the diameters of the sample mosaic bodies in the using process, so that the using range of the device is expanded; the height of fixing device 2 accessible rotary disk 22 is adjusted from top to bottom, and the adaptable not mosaic body of co-altitude of use, ball bull's eye 21 can rotate moreover, can level the test surface of mosaic body in the test process, effectively solves the problem of the experimental error that the face slope that detects leads to. The whole device is reasonable in arrangement, stable in support and convenient and reliable to operate.
Furthermore, the top cover 11 is a central hole of the semicircular disc, and the diameter of the first through hole 12 can be set according to the diameter of the sample mosaic body and needs to be slightly smaller than the diameter of the mosaic body. In practical application, the top cover 11 of the first through hole 12 with different diameters of the first through hole 12 can be selected, so that different top covers 11 can be replaced according to the diameter of the sample mosaic body in the using process, and the using range of the device is enlarged.
Specifically, the housing further comprises an annular support frame 13 and a base 14; the top cover 11, the annular supporting frame 13 and the base 14 are respectively provided with 4 first screw holes 15 at corresponding positions; the top cover 11, the annular support frame 13 and the base 14 pass through the corresponding first screw holes 15 from top to bottom in sequence and are fixed through screw connection.
Further, annular support frame 13 and base 14 are provided with the screw hole unanimous with the 15 sizes of first screw hole of top cap 11 in the corresponding position respectively, and during the installation, connect top cap 11, annular support frame 13 and base 14 through first screw hole 15 with 4 bolts together fixed, when guaranteeing the fastness of connecting, realized the swift of installation, made things convenient for the installation and the use of device greatly.
Specifically, the top cover 11 and the annular supporting frame 13 are configured to have a semicircular annular structure for convenience of operation.
Further, annular support frame 13 adopts semi-circular back hollow out construction and top cap 11 to adopt half circle shape structure, is favorable to the direct hand that stretches out of user to carry out the rotation operation to rotary disk 22, drives ball bull's eye 21 through rotating rotary disk 22, further adjusts the double-screw bolt including the connection height of threaded connection ring 23, and then supports ball 24 the fixed sample of another side of mosaic. Further, the convenience of operation of the rotating disk 22 in the fixing device 2 is improved.
Specifically, a third through hole 16 is arranged in the center of the base 14; the internal threaded connection ring 23 is disposed at the third through hole 16; the internal threaded connecting ring 23 and the third through hole 16 are the same in size. The outer diameter of the internal thread connecting ring 23 is matched with the third through hole 16 in the base 14, and the size of the internal thread connecting ring 23 is matched with the size of a screw rod of the ball bullnose 21.
Furthermore, the internal thread connecting ring 23 is adhered to the third through hole 16 through glue to be fixed, and the complexity of installation of the device is greatly simplified under the condition that the internal thread connecting ring 23 is fixed and does not rotate when the screw rotates.
Specifically, a circular groove 28 is formed in the center of the rotating disc 22, and three second screw holes 27 are uniformly formed in the circular groove 28; the circular groove 28 is provided with a fourth through hole; the screw rod penetrates through the fourth through hole, and the ball eye 21 is arranged at the circular groove 28.
Specifically, the ball bracket 21 and the second screw hole 27 are provided with a third screw hole at a position corresponding to the third screw hole, and the third screw hole and the second screw hole 27 are fixedly connected based on screws. The user can drive the ball bull's eye 21 to move up and down through rotating the rotary disc 22 during the use process.
Specifically, the diameter of the first circular groove is larger than that of the ball eye 21, and the diameter of the fourth through hole is larger than that of the screw, so that the ball eye 21 can be smoothly installed to the rotating disk 22.
The installation step: the top cover 11, the annular supporting frame 13 and the base 14 sequentially pass through the corresponding first screw holes 15 from top to bottom and are connected through screws to form a supporting module device 1; the ball bracket 21 is inserted into the second through hole 25 of the rotary disc 22 and then fixed by screws through the second and third screw holes, and then the screw is screwed into the internal thread connecting ring 23 to form the fixing device 2. And the internal thread connecting ring 23 of the fixing device 2 is inserted into the third through hole 16 of the base 14 of the support module device 1 and then fixed, so that the assembly and assembly of the device are completed.
The using method comprises the following steps: the sample mosaic body is clamped into the first through hole 12 of the top cover 11, the detection surface is exposed upwards, the rotating disc 22 is rotated to adjust the height of the ball bull eye 21 with the screw rod, the ball 24 is abutted against the other surface of the mosaic body to fix the sample, and the other surface of the mosaic body is abutted to fix the sample.
According to the invention, by arranging the supporting module and the fixing module, the supporting module adopts the replaceable top cover plate, and the top covers with different central apertures can be replaced according to the diameter of the sample mosaic body in the using process, so that the using range of the device is expanded; height-adjusting about fixed module accessible rotary disk, the adaptable not mosaic body of co-altitude of use, the ball on the ball bull's eye can rotate moreover, can be to the test surface leveling of mosaic body in the test process, effectively solves the problem of the experimental error that detects the face slope and lead to. The whole device is reasonable in arrangement, stable in support and convenient and reliable to operate.
The detailed description is given above to the surface leveling and fixing device for the vickers hardness test of the cylindrical mosaic sample provided by the embodiment of the invention, and a specific embodiment is adopted herein to explain the principle and the implementation manner of the invention, and the description of the embodiment is only used to help understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (7)
1. A leveling and fixing device for a Vickers hardness test surface of a cylindrical embedded sample is characterized in that the leveling and fixing device for the Vickers hardness test surface of the cylindrical embedded sample comprises a supporting module device and a fixing device;
the supporting module device comprises a shell and a top cover, wherein the top cover is arranged on the upper end face of the shell, and a first through hole is formed in the center of the top cover;
the fixing device is arranged in the shell;
the fixing device comprises a ball bulleye, a rotating disc, an internal thread connecting ring and balls;
the ball is arranged on the upper end face of the ball eye; the rotating disc is provided with a second through hole; the ball bulls eye is arranged at the rotating disc based on the second through hole; the ball bull eye comprises a first screw rod which is matched with the internal thread connecting ring; the internal thread connecting ring is arranged at the bottom of the shell.
2. The device for leveling and fixing the Vickers hardness test surface of the cylindrical mosaic test sample according to claim 1, wherein the shell further comprises an annular support frame and a base;
the top cover, the annular supporting frame and the base are respectively provided with 4 first screw holes at corresponding positions; the top cover, the annular support frame and the base are sequentially fixed through the corresponding first screw holes from top to bottom through screws.
3. The device for leveling and fixing the Vickers hardness test surface of a cylindrical mosaic test sample according to claim 2, wherein said top cover and said ring-shaped support frame are arranged in a semicircular ring structure for convenient operation.
4. The device for leveling and fixing the Vickers hardness test surface of the cylindrical mosaic test sample according to claim 2, wherein a third through hole is formed in the center of the base; the internal thread connecting ring is arranged at the third through hole; the size of the internal thread connecting ring is the same as that of the third through hole.
5. The device for leveling and fixing the Vickers hardness test surface of the cylindrical mosaic test sample according to claim 2, wherein a circular groove is formed in the center of the rotating disc, and three second screw holes are uniformly formed in the circular groove; the circular groove is provided with a fourth through hole; the screw rod penetrates through the fourth through hole, and the ball eye is arranged at the circular groove.
6. The device for leveling and fixing the Vickers hardness test surface of the cylindrical embedded sample according to claim 5, wherein a third screw hole is arranged at a position corresponding to the second screw hole of the ball bull's eye, and the third screw hole is fixedly connected with the second screw hole through a screw.
7. The device for leveling and fixing the Vickers hardness test surface of the cylindrical embedded sample according to claim 6, wherein the diameter of the first circular groove is larger than that of the ball bull's eye, and the diameter of the fourth through hole is larger than that of the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011442317.2A CN112630071A (en) | 2020-12-08 | 2020-12-08 | Leveling and fixing device for Vickers hardness test surface of cylindrical embedded sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011442317.2A CN112630071A (en) | 2020-12-08 | 2020-12-08 | Leveling and fixing device for Vickers hardness test surface of cylindrical embedded sample |
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|---|---|
| CN112630071A true CN112630071A (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011442317.2A Pending CN112630071A (en) | 2020-12-08 | 2020-12-08 | Leveling and fixing device for Vickers hardness test surface of cylindrical embedded sample |
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| CN (1) | CN112630071A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB548404A (en) * | 1941-06-13 | 1942-10-08 | Fairey Aviat Co Ltd | An improved hardness testing instrument |
| GB2187293A (en) * | 1986-03-03 | 1987-09-03 | Secr Defence | A disc strength test apparatus and method |
| JP2009210413A (en) * | 2008-03-04 | 2009-09-17 | National Institute Of Advanced Industrial & Technology | Anvil for hardness testing machine |
| CN201673088U (en) * | 2010-04-26 | 2010-12-15 | 宝山钢铁股份有限公司 | Sampling bench for Vickers hardness tester |
| CN205679470U (en) * | 2016-06-17 | 2016-11-09 | 河北钢铁股份有限公司 | Angled end-face sample hardness test auxiliary device |
| CN108237499A (en) * | 2017-12-29 | 2018-07-03 | 中车唐山机车车辆有限公司 | Supporting and regulating device and assembly tool |
| CN208383591U (en) * | 2018-05-31 | 2019-01-15 | 江苏省沙钢钢铁研究院有限公司 | A kind of Vickers specimen holder |
| CN110108548A (en) * | 2019-05-14 | 2019-08-09 | 中国航发北京航空材料研究院 | A kind of fixture for micro-hardness testing |
-
2020
- 2020-12-08 CN CN202011442317.2A patent/CN112630071A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB548404A (en) * | 1941-06-13 | 1942-10-08 | Fairey Aviat Co Ltd | An improved hardness testing instrument |
| GB2187293A (en) * | 1986-03-03 | 1987-09-03 | Secr Defence | A disc strength test apparatus and method |
| JP2009210413A (en) * | 2008-03-04 | 2009-09-17 | National Institute Of Advanced Industrial & Technology | Anvil for hardness testing machine |
| CN201673088U (en) * | 2010-04-26 | 2010-12-15 | 宝山钢铁股份有限公司 | Sampling bench for Vickers hardness tester |
| CN205679470U (en) * | 2016-06-17 | 2016-11-09 | 河北钢铁股份有限公司 | Angled end-face sample hardness test auxiliary device |
| CN108237499A (en) * | 2017-12-29 | 2018-07-03 | 中车唐山机车车辆有限公司 | Supporting and regulating device and assembly tool |
| CN208383591U (en) * | 2018-05-31 | 2019-01-15 | 江苏省沙钢钢铁研究院有限公司 | A kind of Vickers specimen holder |
| CN110108548A (en) * | 2019-05-14 | 2019-08-09 | 中国航发北京航空材料研究院 | A kind of fixture for micro-hardness testing |
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Application publication date: 20210409 |