CN201322709Y - Portable hardness tester - Google Patents
Portable hardness tester Download PDFInfo
- Publication number
- CN201322709Y CN201322709Y CNU2008202319219U CN200820231921U CN201322709Y CN 201322709 Y CN201322709 Y CN 201322709Y CN U2008202319219 U CNU2008202319219 U CN U2008202319219U CN 200820231921 U CN200820231921 U CN 200820231921U CN 201322709 Y CN201322709 Y CN 201322709Y
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- Prior art keywords
- magnetic
- hardness
- test
- value indicating
- supporting base
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- 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.)
- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000012360 testing method Methods 0.000 claims abstract description 39
- 239000004020 conductor Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 7
- 230000002528 anti-freeze Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000007550 Rockwell hardness test Methods 0.000 abstract description 3
- 238000007373 indentation Methods 0.000 abstract 3
- 238000007546 Brinell hardness test Methods 0.000 abstract 1
- 241000252254 Catostomidae Species 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a portable sclerometer, its characterized in that: the hardness meter comprises a supporting seat, a test force loading and indentation depth measuring mechanism, a force value indicating mechanism and a hardness indicating mechanism, wherein the test force loading and indentation depth measuring mechanism, the force value indicating mechanism and the hardness indicating mechanism are arranged on the supporting seat; the force value indicating mechanism consists of a U-shaped elastic frame, a force value indicating meter arranged on the U-shaped elastic frame and a connecting rod connected with a pressure head; the test force loading and indentation depth measuring mechanism consists of a screw micrometer mechanism fixed on the supporting seat, a sleeve and a hand wheel arranged outside the sleeve; two magnetic suckers are arranged on two sides of the supporting seat; the utility model has the advantages of light weight, convenient carrying, simple operation, high accuracy, no conversion, no requirement of vertical stress application, and direct Rockwell and Brinell hardness test on site; large-sized workpieces which are difficult to carry can be conveniently tested; hardness tests of a plurality of Rockwell or Brinell hardness scales can be performed respectively by replacing different indenters and applying different test forces.
Description
Technical field:
The utility model relates to a kind of test unit that hardness test is carried out in the metal surface, particularly a kind of portable hardometer.
Background technology:
Existing metal material hardness score is desk-top and portable hardometer, and bench mounted hardness tester is the hardness of testing large workpiece directly, and as large pressurized vessel, large mold etc., it can only or make model and carry out hardness test by sampling, and is time-consuming.Existing some portable hardometer, though easy to operate as Leeb Hardness Tester, can provide Rockwell hardness number, but convert by the lee ' hardness test value, not being directly to record according to the Rockwell hardness test method, is inaccurate therefore, only can be as a reference.
In order to address the above problem, the utility model provides a kind of portable hardometer that improves the hardness indicating mode, can directly directly test according to Rockwell or Brinell test definition that adopts, and be adsorbed on surface of the work by magneticaction, contact workpiece one side can be finished test, the hardness that is applicable to large-scale steel component detects, simple in structure, easy to operate, can effectively improve the accuracy of hardness test.
Summary of the invention:
Goal of the invention: the utility model provides a kind of portable hardometer to its objective is that solution bench mounted hardness tester in the past can only test hardness and the inaccurate problem of existing portable hardometer test result than small workpiece.
Technical scheme: the utility model is achieved through the following technical solutions:
A kind of portable hardometer is characterized in that: described sclerometer comprises a supporting base, is installed in the loading of test power and impression depth measurement mechanism, power value indicating mechanism and hardness indicating mechanism on the supporting base; Described power value indicating mechanism is made up of with an extension bar that is connected pressure head U-shaped elastic shelf, the power value indicating gauge that is arranged on the U-shaped elastic shelf; Loading of test power and impression depth measurement mechanism are fixed on the spiral micrometer mechanism on the supporting base, a sleeve and a handwheel that is arranged on outside the sleeve by one and form; Also be provided with two magnetic suction discs in the supporting base both sides.
Hardness indicating mechanism is made of drum and the indicator drum that has a vertical scale mark; Indicator drum is arranged on the supporting base, and described drum is the groove that is fixed on sleeve by a jackscrew, spring and steel ball.
Described spiral micrometer mechanism is made up of a micrometer nut and a micrometric screw that is arranged in the micrometer nut; One end of micrometric screw is a male cone (strobilus masculinus), and the inner conical surface by a set nut and sleeve compresses; One end of micrometric screw and set nut are with being threaded; The other end of micrometric screw contacts with the U-shaped elastic shelf first half by a ball.
Described magnetic suction disc is by left magnetic conductor, right magnetic conductor, fixed permanent magnet, rotor, form every magnetic shell, magnetic conductive shell, antifreeze plate and magnetic switch spanner; Wherein rotor is made up of two semicircle magnetic conductors and the permanent magnet that is clipped in its centre; Rotor is positioned at the circular hole that left and right magnetic conductor combination processes; Left and right magnetic conductor and magnetic conductive shell, lump together with non-magnetic set screws every the magnetic shell.
Described pressure head is diamond penetrator, ball indenter or sintered carbide ball pressure head.
Advantage and effect: the utility model provides a kind of portable hardometer, and this sclerometer comprises a supporting base, is installed in the loading of test power and impression depth measurement mechanism, power value indicating mechanism and hardness indicating mechanism on the supporting base; And the both sides at supporting base are provided with magnetic suction disc; It relies on magnetic force that cloth Lip river sclerometer gauge head is adsorbed on steel surface, does not need sample is supported.Its test is quick, easy, need not take a sample, as long as a plane or the curved surface that can place instrument is arranged, any large-scale workpiece can be tested; The hardness indicating mechanism that it adopts can directly read test result and need not convert, and can more rapid and precisely test out the result, and lower to the surface smoothness requirement of test specimen, and in addition, it is easy to carry, and relatively is beneficial on a large scale and applies.
Description of drawings:
Fig. 1 is the utility model portable hardometer structural representation;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the B-B partial sectional view of Fig. 1, is the inner structure and the off working state magnetic circuit synoptic diagram of magnetic suction disc;
Fig. 4 is the magnetic circuit synoptic diagram of magnetic suction disc when in running order;
Among the figure:
1, magnetic switch pull 2, handle ear 3, handle 4, pressure head
5, lining 6, supporting base 7, pressure head extension bar 8, U-shaped elastic shelf
9, steel ball 10, micrometric screw 11, micrometer nut 12, indicator drum
13, sleeve 14, drum 15, jackscrew 16, spring
17, steel ball 18, handwheel 19, lock screw 20, power value indicating gauge
21, clamping plate 22, workpiece 23, right magnetic conductor 24, rotor
25, every magnetic shell 26, fixed permanent magnet 27, magnetic conductive shell 28, antifreeze plate
29, permanent magnet 30, left magnetic conductor
Embodiment:
Below in conjunction with accompanying drawing the utility model is described further:
As depicted in figs. 1 and 2, the utility model provides a kind of portable hardometer, and described sclerometer comprises a supporting base, is installed in the loading of test power and impression depth measurement mechanism, power value indicating mechanism and hardness indicating mechanism on the supporting base;
Described power value indicating mechanism by U-shaped elastic shelf 8, be arranged on power value indicating gauge 20 on the U-shaped elastic shelf 8 is connected pressure head 4 with one pressure head extension bar 7 and form; U-shaped elastic shelf 8 is arranged on the supporting base 6, and the latter half of U-shaped elastic shelf 8 openings is fixed a power value indicating gauge 20, and the push rod of power value indicating gauge 20 contacts with the first half of U-shaped elastic shelf 8 openings; When being subjected to testing force deformation, the first half of U-shaped elastic shelf 8 can produce a little displacement, this displacement is exaggerated and is delivered on the power value indicating gauge 20 owing to leverage, the pointer of the value of exerting all one's strength indicating gauge 20 rotates, and the index dial of this power value indicating gauge 20 is to carry out calibration and groove according to the relation of displacement and test power; Pressure head extension bar 7 also is arranged on the supporting base 6, and its upper end contacts with the Lower Half of U-shaped elastic shelf 8, and the lower end of pressure head extension bar 7 connects the pressure head 4 of Extension support seat 6.
Test power loads and impression depth measurement mechanism also is arranged on the supporting base 6, and this mechanism is fixed on the spiral micrometer mechanism on the supporting base 6, a sleeve 13 and handwheels 18 that are arranged on outside the sleeve 13 by one and forms; Described spiral micrometer mechanism is made up of a micrometer nut 11 and a micrometric screw 10 that is arranged in the micrometer nut 11; One end of micrometric screw 10 is a male cone (strobilus masculinus), compresses by the inner conical surface of a lock screw 19 with sleeve 13; Being threaded of micrometric screw 10 with set nut 11 usefulness; The other end of micrometric screw 10 contacts with U-shaped elastic shelf 8 first halves by a ball 9; Sleeve 13 is connected for interference fit with handwheel 18; Lock screw 19 and micrometric screw 10 are for being threaded.
Described hardness indicating mechanism is made of drum 14 and the indicator drum 12 that has a vertical scale mark; Indicator drum 12 is arranged on the supporting base 6, and described drum 14 is the grooves that are fixed on sleeve 13 by a jackscrew 15, spring 16 and steel ball 17; The scale of drum 14 is the definition according to Rockwell hardness test, be whenever mobile 0.002mm of pressure head (Rockwell's hardness) or 0.001mm (surperficial Rockwell), the angle that drum turns over is 1 Rockwell's hardness unit, and the angle that the axial displacement of micrometric screw 10 and drum 14 are rotated is corresponding one by one delineates.Indicator drum 12 is coaxial with drum 14, and indicator drum 12 is fixed on the supporting base 6, and and drum 14 composition hardness indicating mechanisms.
As shown in Figure 3 and Figure 4, also be provided with two magnetic suction discs in supporting base 6 both sides; The both sides that two magnetic suction discs are fixed on supporting base 6 by two clamping plate 21 are used for sclerometer is fixed on iron and steel parts; Described magnetic suction disc is by left magnetic conductor 30, right magnetic conductor 23, fixed permanent magnet 26, rotor 24, form every magnetic shell 25, magnetic conductive shell 27, antifreeze plate 28 and magnetic switch spanner 1; Wherein rotor 24 is made up of two semicircle magnetic conductors and the permanent magnet that is clipped in its centre; Rotor 24 is positioned at the circular hole that left and right magnetic conductor combination processes; Left and right magnetic conductor and magnetic conductive shell 27, lump together every the non-magnetic set screws of magnetic shell 25 usefulness.
Described pressure head is diamond penetrator, ball indenter or sintered carbide ball pressure head.
When carrying out hardness test, pull the magnetic switch spanner 1 on the magnetic suction disc, the inner closure state (see figure 3) of the magnetic line of force of magnetic suction disc is changed, and the magnetic line of force is transferred by outside iron and steel parts 22 closed (see figure 4)s, and this moment, sclerometer firmly was adsorbed on the workpiece 22.With 20 zeroings of power value indicating gauge, rotate handwheel 18, by micrometer nut 11, it is descending that micrometric screw 10 and steel ball 9 promote U-shaped elastic shelf 8, penetrator 4 moves down, when pressure head 4 arrives to workpiece 22, be rotated further handwheel 18, U-shaped elastic shelf 8 is because of stressed generation elastic deformation, and this distortion is because leverage is exaggerated and passes to power value indicating gauge 20, and the value of exerting all one's strength indicating gauge 20 pointers rotate, when the first test power of pointed position, stir drum 14, make vertical groove of its full scale position alignment indicator drum 12, be rotated further handwheel 18, load master trip power, the value of exerting all one's strength indicating gauge 20 points to the total test force position, backward rotation handwheel 18, unloading master trip power, the value of exerting all one's strength indicating gauge 20 pointers come back to test power position just, have so far just finished a hardness test.Pressure head 4 can stay next impression on workpiece 22 surfaces, and this moment, the hardness of workpiece 22 promptly can be read by vertical groove indicated scale on drum 14 of indicator drum 12.Pull the magnetic switch spanner by reverse direction, by inner closed, sclerometer and workpiece break away from the magnetic line of force, finish test again.
The utility model has the advantages that in light weightly, be easy to carry that simple to operate, the degree of accuracy is higher, need not Convert, do not require vertical reinforcing, can directly carry out at the scene the test of Rockwell and Brinell hardness; Owing to adopt Magnetic-adsorption mode fixation workpiece, the workpiece that is difficult to carry of testing large easily; By more Change different pressure heads and apply different test forces, can carry out respectively a plurality of Rockwells or Brinell scale Hardness test.
Claims (5)
1, a kind of portable hardometer is characterized in that: described sclerometer comprises a supporting base, is installed in the loading of test power and impression depth measurement mechanism, power value indicating mechanism and hardness indicating mechanism on the supporting base; Described power value indicating mechanism is made up of with an extension bar that is connected pressure head U-shaped elastic shelf, the power value indicating gauge that is arranged on the U-shaped elastic shelf; Loading of test power and impression depth measurement mechanism are fixed on the spiral micrometer mechanism on the supporting base, a sleeve and a handwheel that is arranged on outside the sleeve by one and form; Also be provided with two magnetic suction discs in the supporting base both sides.
2, portable hardometer according to claim 1 is characterized in that: hardness indicating mechanism is made of drum and the indicator drum that has a vertical scale mark; Indicator drum is arranged on the supporting base, and described drum is the groove that is fixed on sleeve by a jackscrew, spring and steel ball.
3, portable hardometer according to claim 1 is characterized in that: described spiral micrometer mechanism is made up of a micrometer nut and a micrometric screw that is arranged in the micrometer nut; One end of micrometric screw is a male cone (strobilus masculinus), and the inner conical surface by a set nut and sleeve compresses; One end of micrometric screw and lock screw are with being threaded; The other end of micrometric screw contacts with the U-shaped elastic shelf first half by a ball.
4, portable hardometer according to claim 1 is characterized in that: described magnetic suction disc is by left magnetic conductor, right magnetic conductor, fixed permanent magnet, rotor, form every magnetic shell, magnetic conductive shell, antifreeze plate and magnetic switch spanner; Wherein rotor is made up of two semicircle magnetic conductors and the permanent magnet that is clipped in its centre; Rotor is positioned at the circular hole that left and right magnetic conductor combination processes; Left and right magnetic conductor and magnetic conductive shell, lump together with non-magnetic set screws every the magnetic shell.
5, portable hardometer according to claim 1 is characterized in that: described pressure head is diamond penetrator, ball indenter or sintered carbide ball pressure head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202319219U CN201322709Y (en) | 2008-12-22 | 2008-12-22 | Portable hardness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202319219U CN201322709Y (en) | 2008-12-22 | 2008-12-22 | Portable hardness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201322709Y true CN201322709Y (en) | 2009-10-07 |
Family
ID=41160088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202319219U Expired - Fee Related CN201322709Y (en) | 2008-12-22 | 2008-12-22 | Portable hardness tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201322709Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308405A (en) * | 2012-03-13 | 2013-09-18 | 沈阳天星试验仪器有限公司 | Portable digital display hardness measuring device |
| WO2013135164A1 (en) * | 2012-03-13 | 2013-09-19 | 沈阳天星试验仪器有限公司 | Indentation depth measurement device for portable digital display hardness tester |
| WO2013135162A1 (en) | 2012-03-13 | 2013-09-19 | 沈阳天星试验仪器有限公司 | Portable digital display hardness tester |
| CN103765188A (en) * | 2011-08-31 | 2014-04-30 | 王仪公司 | Portable brinell hardness tester |
| CN104458464A (en) * | 2014-12-11 | 2015-03-25 | 日立电梯（中国）有限公司 | Impact resilience tester |
| CN107144482A (en) * | 2017-06-19 | 2017-09-08 | 山西省计量科学研究院 | Impression measurement apparatus is used in the detection of metal Brinell hardness tester |
| CN107247004A (en) * | 2017-06-12 | 2017-10-13 | 浙江农林大学 | Hardness of wood measuring instrument |
| CN108693056A (en) * | 2018-05-18 | 2018-10-23 | 广州兰泰仪器有限公司 | A kind of high-precision bar formula hardometer |
| CN109342179A (en) * | 2018-12-13 | 2019-02-15 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of standard microhardness testers |
| RU188172U1 (en) * | 2018-11-26 | 2019-04-02 | Олег Борисович Емельянов | DEVICE FOR DETERMINING MECHANICAL PROPERTIES OF SOLIDS |
| CN110208121A (en) * | 2019-07-15 | 2019-09-06 | 沈阳天星试验仪器有限公司 | A kind of shear pin type double impression meter applying test force by jump bit |
| CN114993866A (en) * | 2022-07-08 | 2022-09-02 | 广西玉柴机器股份有限公司 | A portable metal property measuring device |
| CN115655940A (en) * | 2022-11-15 | 2023-01-31 | 润电能源科学技术有限公司 | Magnetic clamp for ferromagnetic material hardness test |
-
2008
- 2008-12-22 CN CNU2008202319219U patent/CN201322709Y/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103765188A (en) * | 2011-08-31 | 2014-04-30 | 王仪公司 | Portable brinell hardness tester |
| CN103308405A (en) * | 2012-03-13 | 2013-09-18 | 沈阳天星试验仪器有限公司 | Portable digital display hardness measuring device |
| WO2013135164A1 (en) * | 2012-03-13 | 2013-09-19 | 沈阳天星试验仪器有限公司 | Indentation depth measurement device for portable digital display hardness tester |
| WO2013135026A1 (en) * | 2012-03-13 | 2013-09-19 | 沈阳天星试验仪器有限公司 | Portable digital display hardness measuring device |
| WO2013135162A1 (en) | 2012-03-13 | 2013-09-19 | 沈阳天星试验仪器有限公司 | Portable digital display hardness tester |
| CN103308405B (en) * | 2012-03-13 | 2015-06-17 | 沈阳天星试验仪器有限公司 | Portable digital display hardness measuring device |
| US9366610B2 (en) | 2012-03-13 | 2016-06-14 | Shenyang Tianxing Testing Instruments Co., Ltd. | Portable digital display hardness tester |
| RU2601512C2 (en) * | 2012-03-13 | 2016-11-10 | Шэньян Тяньсин Тестинг Инструментс Ко., Лтд. | Portable hardness tester with digital display |
| CN104458464A (en) * | 2014-12-11 | 2015-03-25 | 日立电梯（中国）有限公司 | Impact resilience tester |
| CN107247004A (en) * | 2017-06-12 | 2017-10-13 | 浙江农林大学 | Hardness of wood measuring instrument |
| CN107247004B (en) * | 2017-06-12 | 2019-06-28 | 浙江农林大学 | Hardness of wood measuring instrument |
| CN107144482A (en) * | 2017-06-19 | 2017-09-08 | 山西省计量科学研究院 | Impression measurement apparatus is used in the detection of metal Brinell hardness tester |
| CN108693056A (en) * | 2018-05-18 | 2018-10-23 | 广州兰泰仪器有限公司 | A kind of high-precision bar formula hardometer |
| RU188172U1 (en) * | 2018-11-26 | 2019-04-02 | Олег Борисович Емельянов | DEVICE FOR DETERMINING MECHANICAL PROPERTIES OF SOLIDS |
| CN109342179A (en) * | 2018-12-13 | 2019-02-15 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of standard microhardness testers |
| CN109342179B (en) * | 2018-12-13 | 2021-04-06 | 中国航空工业集团公司北京长城计量测试技术研究所 | Standard microhardness tester |
| CN110208121A (en) * | 2019-07-15 | 2019-09-06 | 沈阳天星试验仪器有限公司 | A kind of shear pin type double impression meter applying test force by jump bit |
| CN110208121B (en) * | 2019-07-15 | 2024-02-27 | 沈阳天星试验仪器股份有限公司 | Shear pin type hammering Brinell hardness tester applying test force through impact hammer |
| CN114993866A (en) * | 2022-07-08 | 2022-09-02 | 广西玉柴机器股份有限公司 | A portable metal property measuring device |
| CN115655940A (en) * | 2022-11-15 | 2023-01-31 | 润电能源科学技术有限公司 | Magnetic clamp for ferromagnetic material hardness test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20171222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |