CN203101177U - Brinell hardness indentation diameter measuring device - Google Patents
Brinell hardness indentation diameter measuring device Download PDFInfo
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- CN203101177U CN203101177U CN 201320086106 CN201320086106U CN203101177U CN 203101177 U CN203101177 U CN 203101177U CN 201320086106 CN201320086106 CN 201320086106 CN 201320086106 U CN201320086106 U CN 201320086106U CN 203101177 U CN203101177 U CN 203101177U
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- 238000007373 indentation Methods 0.000 title abstract description 5
- 238000012360 testing method Methods 0.000 claims abstract description 56
- 238000005259 measurement Methods 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- 230000002950 deficient Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a brinell hardness indentation diameter measuring device. The brinell hardness indentation diameter measuring device comprises an observation microscope, a test piece placing platform, a measurement reading device and a supporting platform; the observation microscope comprises an eye piece, an object lens, an eye piece adjusting sleeve and a mirror drum, wherein the eye piece, the object lens and the eye piece adjusting sleeve are fixedly connected onto the mirror drum, and the mirror drum is fixedly connected with the supporting platform; the test piece placing platform comprises a platform body, an electromagnet, an electromagnet switch and a battery, wherein the electromagnet is arranged inside the platform body, and the battery supplies power needed by the working of the electromagnet; the measurement reading device comprises a fixed scale bushing, a microdrum, a screw rod and a ball screw; and the supporting platform comprises a body, a locking screw and supporting legs, the body comprises two guide rails which are used for the test piece placing platform to slide horizontally, and the body is made of a material which can not be adsorbed by the electromagnet. The brinell hardness indentation diameter measuring device is low in cost, easy to operate, high in measurement precision, convenient to measure different test pieces with different sizes and free from needing of an external power supply or being matched with a computer for use in the measurement process.
Description
Affiliated technical field
The utility model relates to size measurement technique, a kind of specifically Brinell hardness impression diameter device.
Background technology
Brinell hardness is a kind of metal hardness measuring method of extensively using in engineering practice.Its measuring principle is that the sintered carbide ball to certain diameter applies test and defeats into the test specimen surface, after the standard code retention time, removal test power, measure test specimen surface indentation diameter, calculate corresponding ball hardness number by correlation formula afterwards, also can consult the Brinell hardness table of getting ready and obtain hardness number according to impression diameter.This shows that the impression diameter measurement is the committed step in the brineling operation, and The ultimate results is had a direct impact.
Tradition Brinell hardness impression diameter measurement mechanism, its typical structure as shown in Figure 1, the size scale of this class measurement mechanism directly appears in the visual field.When measuring, reading microscope is placed on the test specimen, rotate the reading drum, the measurement graticule in the visual field can produce accordingly and move.Allow graticule and impression one side tangent (as Fig. 2) earlier, and write down graticule position size numerical value this moment, rotate the reading drum, make graticule again with the opposite side of impression tangent (as Fig. 3), write down again and measure groove position size numerical value this moment.Two numerical value subtract each other, and then record the diameter of impression.
The defective of such measurement mechanism mainly shows following two aspects: the first, and reading microscope directly places on the test specimen, and (as rotating the reading drum) may cause moving of reading microscope in the process of tester's operation, thus the measuring error of causing.The second, if test specimen is less, when not have enough big area support reading microscope, then needs to seek with the contour back-up block of test specimen and support reading microscope to measure, this will bring great inconvenience to surveying work.
In addition, in recent years, also obtained certain utilization in practice based on the measuring method of Computer Image Processing.Its principle is to utilize the industrial camera imaging, obtains the impression image and handles, measures by computing machine, thereby obtain impression diameter.This method has the precision height, avoids characteristics such as naked eyes reading error, but there is also certain defective.When utilizing this method to measure, generally need external power supply and coupled computer to use, thereby limited its usable range to a certain extent, in addition, the whole system cost is higher, also makes the use of this measuring method be subjected to certain limitation.
Summary of the invention
In order to overcome the deficiency of existing Brinell hardness impression diameter measurement mechanism.The utility model provides a kind of Brinell hardness impression diameter measurement mechanism, and this device is simple to operate, the measuring accuracy height, and test specimen is difficult for moving in the measuring process, is convenient for measuring the test specimen of all size.
The further purpose of the utility model is to provide the Brinell hardness impression diameter measurement mechanism of a kind of dispense with outer connecting power or coupled computer use.
To achieve these goals, Brinell hardness impression diameter measurement mechanism described in the utility model, it comprises: microscope for observing, test specimen placement platform, survey measurements device, brace table.
Described microscope for observing: it comprises eyepiece, object lens, eyepiece regulating sleeve, lens barrel.This eyepiece, object lens, eyepiece regulating sleeve all are connected on the lens barrel, and lens barrel and brace table are connected.
Described test specimen placement platform: it comprises platform body, electromagnet, electro-magnet switch, battery.This electromagnet is positioned at platform body inside, and this battery provides work required power supply for electromagnet.
Described survey measurements device: it comprises fixedly dial sleeve, microdrum, screw rod, ball screw framework.
Described brace table: it comprises body, lock-screw, feet.This body comprises two can be for the guide rail of test specimen placement platform horizontal slip, and this feet can be regulated height.
Concrete, the eyepiece of described microscope for observing is coaxial with object lens, and axis normal is in the platform body upper surface of described test specimen placement platform.During measurement, can make impression clear-cut in the visual field by rotating the eyepiece regulating sleeve.
The magnetic force that produces during the work of electromagnet of described test specimen placement platform can guarantee that test specimen can not move in measuring process, perhaps, measuring can not be adsorbed metal specimen by electromagnet the time, can guarantee that fixedly the iron anchor clamps of test specimen can not move in measuring process.
The fixedly dial sleeve of described survey measurements device has scale, and combines closely with brace table and to be integral.Fixedly there is the microdrum of the activity of a band scale dial sleeve outside, and the taper hole of microdrum afterbody is connected with the outer conical surface of screw rod one end.The screw rod other end is a ball-screw, and the platform body of ball-screw and test specimen placement platform is connected.Is the very high external thread of precision in the middle of the screw rod,, screw rod is rotated freely and the gap is minimum with the internal thread precision-fit on the fixing dial sleeve.
Corresponding assembling endoporus centering gap on this screw rod and the described brace table cooperates.
Scale on this microdrum is whole anchor ring 50 five equilibriums, and microdrum its distance that moves on fixing dial sleeve that rotates a circle is 0.5 millimeter.
The body of described brace table uses the material that is not adsorbed by electromagnet, to guarantee the smooth and easy slip on guide rail of test specimen placement platform.
The lock-screw of described brace table can be controlled the moving situation of described test specimen placement platform: when it was locked, the test specimen placement platform can not slide on the guide rail of brace table, and when it unclamped, the test specimen placement platform can slide on the guide rail of brace table.
Thereby this lock-screw hinders the motion of test specimen placement platform by the rotation of the described screw rod of restriction.
The Brinell hardness impression diameter measurement mechanism that the utility model provides, owing to adopted technique scheme, make that test specimen is difficult for moving in the measuring process, be convenient for measuring the test specimen of all size, and dispense with outer connecting power or coupled computer use in the measuring process, have enlarged the scope of application of this device.Whole installation cost is low, and is simple to operate, and the measuring accuracy height is practical.
Description of drawings
Fig. 1 is traditional Brinell hardness impression diameter measurement mechanism structural representation.
Fig. 2 is an eyepiece field of view synoptic diagram in traditional Brinell hardness impression diameter measurement mechanism measuring process.
Fig. 3 is an eyepiece field of view synoptic diagram in traditional Brinell hardness impression diameter measurement mechanism measuring process.
Fig. 4 is the structural representation of the utility model Brinell hardness impression diameter measurement mechanism.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the enlarged drawing of position I among Fig. 4.
Fig. 7 is an eyepiece field of view synoptic diagram in the utility model measuring process.
Fig. 8 is an eyepiece field of view synoptic diagram in the utility model measuring process.
Fig. 9 is the utility model survey measurements device reading process synoptic diagram.
Wherein, 1: microscope for observing, 11: eyepiece, 12: object lens, 13: eyepiece regulating sleeve, 14: lens barrel, 2: test specimen placement platform, 21: the platform body, 22: electromagnet, 23: electro-magnet switch, 24: battery, 3: the survey measurements device, 31: fixing dial sleeve, 32: microdrum, 33: screw rod, 34: ball-screw, 4: brace table, 41: body, 42: lock-screw, 43: feet, 43a: feet, 43b: feet, 43c: feet.
Embodiment
As shown in Figure 4, a kind of Brinell hardness impression diameter measurement mechanism, it comprises: microscope for observing 1, test specimen placement platform 2, survey measurements device 3, brace table 4.
Microscope for observing 1: as Fig. 4, shown in Figure 5, it comprises eyepiece 11, object lens 12, eyepiece regulating sleeve 13 and lens barrel 14, and this eyepiece 11, object lens 12 and eyepiece regulating sleeve 13 all are connected on the lens barrel 14, and this lens barrel 14 is connected on this brace table 4.
Test specimen placement platform 2: as Fig. 4, shown in Figure 5, it comprises platform body 21, electromagnet 22, electro-magnet switch 23 and battery 24, this electromagnet 22 is positioned at this platform body 21 inside, and whether these electro-magnet switch 23 these electromagnet 22 of control work, and this battery 24 provides electromagnet 22 work required power supply.
Survey measurements device 3: as Fig. 4, shown in Figure 6, it comprises fixedly dial sleeve 31, microdrum 32, screw rod 33 and ball-screw 34.
Brace table 4: as Fig. 4, shown in Figure 5, it comprises body 41, lock-screw 42 and feet 43, and this body 41 comprises two can be for the guide rail of test specimen placement platform 2 horizontal slips, and this feet 43 can be regulated height.
This eyepiece 11 is coaxial with object lens 12, and axis normal is in platform body 21 upper surfaces.
The magnetic force that produces during 22 work of this electromagnet can guarantee that test specimen can not move in measuring process, perhaps, when measuring the metal specimen that can not be adsorbed by electromagnet 22, can guarantee that fixedly the iron anchor clamps of test specimen can not move in measuring process.
Should be fixedly dial sleeve 31 have scale, and combine closely with described body 41 and to be integral.Fixedly there is the microdrum 32 of the activity of a band scale dial sleeve 31 outsides, and the taper hole of these microdrum 32 afterbodys is connected with the outer conical surface of screw rod 33 1 ends.These screw rod 33 other ends are ball-screw 34, and ball-screw 34 is connected with described platform body 21.In the middle of the screw rod 33 is the very high external thread of precision, with the internal thread precision-fit on the fixing dial sleeve 31, screw rod 33 is rotated freely and the gap is minimum.
Corresponding assembling endoporus centering gap on this screw rod 33 and the described body 41 cooperates.
Scale on this microdrum 32 is whole anchor ring 50 five equilibriums, and this microdrum 33 rotates a circle it, and to move horizontally distance on fixing dial sleeve 31 be 0.5 millimeter.
This brace table body 41 uses the material that is not adsorbed by electromagnet 22 to make, as the metal that do not adsorbed by magnet, plastics, pottery etc.
This lock-screw 42 can be controlled the moving situation of described test specimen placement platform 2: when it was locked, test specimen placement platform 2 can not slide on the guide rail on the brace table 4, and when it unclamped, test specimen placement platform 2 can slide on the guide rail on the brace table 4.
Thereby this lock-screw 42 hinders the motion of test specimen placement platform 2 by the rotation of restriction screw rod 33.
Regulate the height of feet 43 before measuring, make platform body 21 upper surface maintenance levels.
During metal specimen that measurement can be adsorbed by electromagnet 22, test specimen is positioned over platform body 21 upper surfaces, opens electro-magnet switch 23, at this moment test specimen is attracted to platform body 21 upper surfaces and can move.Regulate eyepiece regulating sleeve 13, make the gauger can observe the impression profile of test specimen clearly by eyepiece 11.Rotate microdrum 32, test specimen placement platform 2 is moved along two slide rails on the brace table 4, meanwhile, the gauger observes by eyepiece 11, when graticule in the visual field and tested impression one side are tangent (as Fig. 7), stop operating locking lock-screw 42, by reading the scale value on fixed muffle 31 and the microdrum 32, obtain the position dimension d of this moment
1Unclamp lock-screw 42, be rotated further microdrum 32,,, obtain the position dimension d of this moment by reading the scale value on fixed muffle 31 and the microdrum 32 when graticule in the visual field, stops operating when tangent (as Fig. 8) with tested impression opposite side again
2Impression diameter is then by formula d=|d
1-d
2| try to achieve.
In order to measure the metal specimen that to be adsorbed by electromagnet 22, can adopt iron frock, test specimen is pressed on platform body 21 upper surfaces, open electro-magnet switch 23 simultaneously, 22 of electromagnet can adsorb iron frock, and follow-up measuring process can be identical by the test specimen that electromagnet 22 adsorbs with measurement.
Below in conjunction with Fig. 9 the number reading method of survey measurements device 3 of the present utility model is described: at first read the numerical value on the fixing dial sleeve 31, read the numerical value on the microdrum 32 again, wherein the numerical value on the microdrum 32 need be estimated and reads one, and numerical value then shown in Figure 9 should be pronounced 14.393 millimeters.
Claims (6)
1. Brinell hardness impression diameter measurement mechanism, it is characterized in that: it comprises: microscope for observing, test specimen placement platform, survey measurements device, brace table;
Described microscope for observing: it comprises eyepiece, object lens, eyepiece regulating sleeve, lens barrel, and this eyepiece, object lens, eyepiece regulating sleeve all are connected on the lens barrel, and lens barrel and brace table are connected;
Described test specimen placement platform: it comprises platform body, electromagnet, electro-magnet switch, battery;
Described survey measurements device: it comprises fixedly dial sleeve, microdrum, screw rod, ball-screw;
Described brace table: it comprises body, lock-screw, feet, and this body comprises two can be for the guide rail of test specimen placement platform horizontal slip, and this feet can be regulated height.
2. Brinell hardness impression diameter measurement mechanism according to claim 1 is characterized in that: described electromagnet is positioned at platform body inside, and described battery provides work required power supply for this electromagnet.
3. Brinell hardness impression diameter measurement mechanism according to claim 2, it is characterized in that: the magnetic force that produces during described work of electromagnet can guarantee that test specimen can not move in measuring process, perhaps when measurement can not be adsorbed metal specimen by this electromagnet, can guarantee that fixedly the iron anchor clamps of test specimen can not move in test process.
4. Brinell hardness impression diameter measurement mechanism according to claim 1 is characterized in that: described fixedly dial sleeve has scale, and combines closely with described body and to be integral; Fixedly there is the microdrum of the activity of a band scale dial sleeve outside, and the taper hole of this microdrum afterbody is connected with the outer conical surface of described screw rod one end; This screw rod other end is described ball-screw, and this ball-screw and described test specimen placement platform are connected; In the middle of the described screw rod is the very high external thread of precision, with the internal thread precision-fit on the described fixedly dial sleeve, this screw rod is rotated freely and the gap is minimum; Corresponding assembling endoporus centering gap on this screw rod and the described body cooperates.
5. Brinell hardness impression diameter measurement mechanism according to claim 1 is characterized in that: described body uses the material that is not adsorbed by electromagnet to make, as the metal that do not adsorbed by magnet, plastics, pottery etc.
6. Brinell hardness impression diameter measurement mechanism according to claim 1, it is characterized in that: described lock-screw can be controlled the moving situation of described test specimen placement platform: when it is locked, this test specimen placement platform can not slide on the guide rail on the described brace table, when it unclamped, this test specimen placement platform can slide on the guide rail on the described brace table; Thereby this lock-screw hinders the motion of described test specimen placement platform by the rotation that limits described screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086106 CN203101177U (en) | 2013-02-26 | 2013-02-26 | Brinell hardness indentation diameter measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086106 CN203101177U (en) | 2013-02-26 | 2013-02-26 | Brinell hardness indentation diameter measuring device |
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| CN203101177U true CN203101177U (en) | 2013-07-31 |
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| CN 201320086106 Expired - Fee Related CN203101177U (en) | 2013-02-26 | 2013-02-26 | Brinell hardness indentation diameter measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149088A (en) * | 2013-02-26 | 2013-06-12 | 肖飞 | Brinell hardness impression diameter measuring device |
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2013
- 2013-02-26 CN CN 201320086106 patent/CN203101177U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149088A (en) * | 2013-02-26 | 2013-06-12 | 肖飞 | Brinell hardness impression diameter measuring device |
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Addressee: Xiao Fei Document name: Notification of Termination of Patent Right |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20140226 |
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| EXPY | Termination of patent right or utility model |