CN2575657Y - Shale expansion analog testing apparatus - Google Patents
Shale expansion analog testing apparatus Download PDFInfo
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- CN2575657Y CN2575657Y CN 02282727 CN02282727U CN2575657Y CN 2575657 Y CN2575657 Y CN 2575657Y CN 02282727 CN02282727 CN 02282727 CN 02282727 U CN02282727 U CN 02282727U CN 2575657 Y CN2575657 Y CN 2575657Y
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- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000003028 elevating effect Effects 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 27
- 239000002184 metal Substances 0.000 abstract description 27
- 239000000523 sample Substances 0.000 abstract description 13
- 229920003023 plastic Polymers 0.000 abstract description 12
- 239000004033 plastic Substances 0.000 abstract description 12
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 238000007542 hardness measurement Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000004304 visual acuity Effects 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 241000662429 Fenerbahce Species 0.000 description 2
- 238000007550 Rockwell hardness test Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Abstract
The utility model relates to a complete rockwell hardness tester, which mainly comprises a control mechanism used for storing a system program and data and controlling a measuring device to measure the hardness of a workpiece, a pressure head arranged on a pressure head seat, the measuring device connected with a displacement sensor by a pressure head lever, an elevating mechanism corresponding to the pressure head, a display device for displaying test parameters and the hardness value of the measured workpiece and a test-force loading mechanism which is matched with the pressure head and composed of a reinforcing lever, a roller, a cam, a driving motor, a weight set, a supporting board and an additional weight. The weight set is divided into two sections, the upper part of the weight set is suspended on the reinforcing lever and supported by the roller, and the lower part of the weight set is supported by the supporting board. A metal rockwell hardness tester and a metal-surface rockwell hardness tester are combined into an integral body, and the metal rockwell hardness tester and a plastic rockwell hardness tester are combined into an integral body. The utility model has the advantages of quite wide coverage area of testing sample material or part kinds, single-chip computer control, automatic switchover, automatic control, automatic control for adding and unloading, digital display of measuring results, and accurate and clear reading number.
Description
Technical field
The utility model relates to a kind of physical measurement device, particularly a kind of metal rockwell hardness measurement and metal surface rockwell hardness measurement on same sclerometer, finished, and the while also can be finished the full Rockwell hardometer of plastics rockwell hardness measurement.
Background technology
Rockwell hardness measurement is to use one of the most general hardness detection method at present, is widely used in the various aspects of scientific research, production, and rockwell hardness measurement is to carry out on Rockwell hardometer.At present, according to existing national standard " GB/T230-91 metal Rockwell hardness test method " arranged, " GB/T2848-92 Rockwell hardometer technical conditions ", " GB/T1818-94 metal surface Rockwell hardness test method ", " GB/T3733-93 superficial Rockwell hardness tester technical conditions " and " JB/T7409-94 plastics Rockwell hardometer technical conditions ", divide definitely, be divided into the metal rockwell hardness measurement, metal surface rockwell hardness measurement and plastics Rockwell are measured three classes, the relevant detection instrument also divides the metal Rockwell hardometer, three kinds of metal surface Rockwell hardometer and plastics Rockwell hardometeres, can finish corresponding measurement separately, domestic existing Rockwell hardometer is not always the case.
But, by international standard ISO6508, Unite States Standard (USS) ASTM E18, and stipulate among the European standard BSEN10109, metal Rockwell's hardness and metal surface rockwell hardness measurement are to be incorporated in the unified standard, be domestic at present also not and above-mentioned three sclerometers that standard meets, still there is gap greatly China's sclerometer level and the world.
Summary of the invention
Purpose of the present invention just provides a kind of sclerometer, can finish metal rockwell hardness measurement and metal surface rockwell hardness measurement on same sclerometer, also can finish the full Rockwell hardometer of plastics rockwell hardness measurement simultaneously.
For achieving the above object, sclerometer of the present invention is used following technical scheme: a kind of full Rockwell hardometer mainly comprises: be used for the control gear of storage system program and data and control survey measurement device workpiece hardness; By the measurement mechanism that pressure head, pressing head seat, pressure head lever and displacement transducer are formed, pressure head is installed on the pressing head seat, is connected with displacement transducer by the pressure head lever; Form by leading screw, handwheel, leading screw sheath, sample stage with pressure head is corresponding,, drive upper and lower the moving of workpiece on the sample stage of top, make measurement mechanism can carry out the elevating mechanism of hardness test on its surface by the leading screw lifting; The display device that shows the hardness number of the test parameters and the workpiece of surveying; Match with pressure head, the load maintainer of the test power of regulation is provided, this test power load maintainer is made up of afterburning lever, roller, cam, drive motor, weight group, supporting plate and additional weight; Afterburning lever front end links to each other with the pressure head lever, and the rear end is placed on the roller, and roller connects drive motor by cam, and additional weight hangs on the afterburning lever; It is characterized in that: described weight group is divided into two sections, and upper suspension is being supported by roller on afterburning lever, and the bottom is supported by supporting plate.
Described control gear is a single-chip computer control system, is made up of the keyboard of displacement transducer, signal conditioner, Bezier third-order low-pass filter, operational amplifier and AD converter and input working parameter; The displacement signal that sensor produces, through signal conditioner output dc voltage signal, through stable Bezier third-order low-pass filter of voltage follower input, amplify through the operational amplifier two-stage calculation, amplifier stage output is input to AD converter through stable voltage follower, single-chip microcomputer receives the signal of AD converter conversion, by display device measurement result is shown again.
This wave filter is the linear phase type.
Also including a standard RS232 serial communication interface is connected with single-chip microcomputer.
Described supporting plate can be held up or be decontroled by control program control according to test request.
Thus, the utlity model has significant beneficial effect: metal Rockwell hardometer and metal surface Rockwell hardometer are in one, metal metal Rockwell hardometer and plastics Rockwell hardometer are in one, can carry out the above-mentioned measurement of totally 30 kinds of scale of hardness, therefore sample material or the part kind coverage that can test is very wide, Single-chip Controlling, automatic switchover Rockwell/surperficial Rockwell pattern, test process is controlled automatically, automatically control adds unloading, accurately try hard to keep time of holding and countdown demonstration are tested in control, can be provided with and automatic memory test parameter; The measurement result numeral shows 0.1 Rockwell unit of resolution.Adopt high resolving power, dot matrix, back-light liquid crystal display screen, accuracy of reading is clear.
Description of drawings
The full Rockwell hardometer appearance assumption diagram of Fig. 1 the utility model;
The full Rockwell hardometer cut-away view of Fig. 2 the utility model;
The full Rockwell hardometer microprocessor of Fig. 3 the utility model control principle figure;
The full Rockwell hardometer circuit theory diagrams of Fig. 4 the utility model.
The figure number explanation:
1-loam cake 2-pressing head seat
3-pressure head 4-sample stage
5-leading screw sheath 6-handwheel
7-leading screw 8-stone bolt
9-casing 10-side door
11-switch, power panel 12-display screen
The throw-over gear of 13-keyboard 14-test power
15-pressure head lever 16-displacement transducer
17-display device 18-circuit board
The afterburning lever 20-of 19-roller
21-cam 22-drive motor
The 24-of 23-weight group supporting plate
The 25-additional weight
Embodiment
See also Fig. 1, Fig. 2, the composition of full Rockwell hardometer of the present utility model comprises: (1) elevating mechanism: compositions such as casing 9, leading screw 7, handwheel 6, leading screw sheath 5, sample stage 4.By the leading screw lifting, drive upper and lower the moving of workpiece on the sample stage of top, and carry out hardness test on its surface.(2) test power load maintainer: the initial trial power and the master trip power of regulation are provided for pressure head 3 by afterburning lever 19 and pressure head lever 15.(3) display device: the hardness number that shows the test parameters and the workpiece of surveying.
When loading just test power, weight group 23 is being supported by roller 20, and just test power comprises the weight of pressure head lever 15 and the weight of additional weight 25, and just test power contacts with pressure head 3 by rising sample stage 4 and offers pressure head.When loading master trip power, drive cam 21 by drive motor 22 and rotate, the test power that weight group 23 is provided passes to pressure head by afterburning lever 19 and pressure head lever 15, finishes loading.During unloading, the motor counter-rotating turns to its initial position with cam 21.In the whole process, pressure head is installed on the pressure head lever 15, moves up and down in very among a small circle and measures.
It is the single-chip computer control system of core with P89C51RD2 that the control gear of full Rockwell hardometer of the present utility model is one, as shown in Figure 3.P89C51RD2 and HY62256 and companion chip are used for storage system program and data, two 74HC573 are as the interface of keyboard and luminous indicating lamp, 74LS138, two 74LS14 and a slice 74LS132 form logic decoding circuit, the chip selection signal of control AD converter, key lamp interface, keyboard interface.
MAX691 comes the power supply to RAM by the switching of control reserve battery, system power supply, to keep the useful data among the RAM.The RS232 serial ports connects TXD, the RXD of P89C51RD2 by MAX3222 and peripheral circuit, can with printer, computing machine communication.LCD, keyboard, hummer are formed man-machine conversation, are used for showing control menu setting, measuring process indication and test result and show.
Sensor adopt linearity height (non-linear be whole stroke 0.3%), residual voltage at zero little (＜0.3%fsd), good temp characteristic (0.001%/1mm/ ℃), displacement transducer that environmental suitability is strong.
See also the circuit diagram of Fig. 4 mimic channel, its principle of work is:
1. sensor produces displacement signal;
2. through signal conditioner output dc voltage signal;
3. through stable Bezier third-order low-pass filter of voltage follower input.This wave filter is the linear phase type, and it can make the signal transmission undistorted.The signal noise of wave filter output is little, flatness good.
4. amplify through two stage amplifer, the afterbody Gain Adjustable is used for calibrating displacement;
5. amplifier stage output is input to AD converter through stable voltage follower.
Application software filtering of local test point sampling and time-delay, the setting of retention time and release time has in addition reflected certain displacement constantly more truly.Subsidiary function has adopted asks maximum, minimum, extreme difference, standard deviation to calculate, and has also used methods such as Newton interpolating method, data fitting.
Digital signal is handled through single-chip microcomputer, at last by liquid crystal display.Adopt high resolving power dot matrix, back-light liquid crystal display screen, accuracy of reading is clear.
Full Rockwell hardometer of the present utility model was placed on tested sample on the sample stage 4 in when work, by the necessary running parameter of keyboard 13 operation inputs, started working then, by the primary control program control loaded, pressure head 3 is pressed on the tested sample surface tests.Pressure head 3 is pressed into the test power of tested sample and is determined by the running parameter of above-mentioned setting, realize by the following action of primary control program control: when primary control program is carried out surperficial Rockwell measurement pattern, supporting plate 24 lifts, the first half of weight group 23 works, 15kgf is provided, 30kgf, three kinds of test power of 45kgf can be finished surface rockwell hardness and measure.When primary control program was carried out the Rockwell measurement pattern, supporting plate 24 was put to minimum point, and weight group works 23 top and the bottom simultaneously, and 60kgf is provided, 100kgf, and three kinds of test power of 150kgf can be finished rockwell hardness measurement.So just can on a machine, not only can carry out rockwell hardness measurement but also can carry out surface rockwell hardness and measure.
The utility model can be finished metal rockwell hardness measurement and metal surface rockwell hardness measurement on same sclerometer, can carry out: HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK, HR15N, HR30N, HR45N, HR15T, HR30T, the measurement of HR45T scale of hardness is at present domestic unique sclerometer that can coincide with iso standard, Unite States Standard (USS), European standard.
The utility model can be finished metal rockwell hardness measurement and plastics rockwell hardness measurement on same sclerometer, can carry out: HRP, HRM, HRL, HRR, HRS, HRV, HR15W, HR30W, HR45W, HR15X, HR30X, HR45X, HR15Y, HR30Y, the measurement of HR45Y scale of hardness.
Sample material that the utility model can be tested or part kind coverage are very wide, comprise wimet, hardened steel, cast iron, non-ferrous metal, engineering plastics, compound substance, cardboard etc.; Can measure thin, little, thin, soft part, as non-ferrous metal board, dead-soft metal and plastics etc. such as nitrated steel, sheet steel, cemented steel, thin copper, aluminium, zinc.
The utility model Rockwell/surperficial Rockwell pattern that can automatically switch, control adds unloading automatically, and the try hard to keep time of holding and countdown of control test show, can be provided with and memory test parameter automatically.
The utlity model has powerful subsidiary function, comprising: the upper and lower limit setting, overproof differentiation, sound and screen display are reported to the police; Data statistics is averaged, standard deviation, extreme difference, maximum, minimum value; The scale conversion can be converted to test result Bu Shi, Vickers, Richter scale, Knoop hardness, and pulling strengrth σ b; The curved surface correction is revised automatically to cylinder, sphere measurement result.The user uses convenient, has saved the follow-up lot of data work of treatment of hardness measurement, the loaded down with trivial details work of tabling look-up; Be very beneficial for quality discrimination, the control of industry spot simultaneously.
Measurement result numeral of the present utility model shows 0.1 Rockwell unit of resolution.Adopt high resolving power, dot matrix, back-light liquid crystal display screen, accuracy of reading is clear.
Claims (5)
1, a kind of full Rockwell hardometer mainly comprises:
Be used for the control gear of storage system program and data and control survey measurement device workpiece hardness;
By the measurement mechanism that pressure head, pressing head seat, pressure head lever and displacement transducer are formed, pressure head is installed on the pressing head seat, is connected with displacement transducer by the pressure head lever;
Form by leading screw, handwheel, leading screw sheath, sample stage with pressure head is corresponding,, drive upper and lower the moving of workpiece on the sample stage of top, make measurement mechanism can carry out the elevating mechanism of hardness test on its surface by the leading screw lifting;
The display device that shows the hardness number of the test parameters and the workpiece of surveying;
Match with pressure head, the load maintainer of the test power of regulation is provided, this test power load maintainer is made up of afterburning lever, roller, cam, drive motor, weight group, supporting plate and additional weight; Afterburning lever front end links to each other with the pressure head lever, and the rear end is placed on the roller, and roller connects drive motor by cam, and additional weight hangs on the afterburning lever;
It is characterized in that: described weight group is divided into two sections, and upper suspension is being supported by roller on afterburning lever, and the bottom is supported by supporting plate.
2, full Rockwell hardometer according to claim 1, it is characterized in that: described control gear is a single-chip computer control system, is made up of the keyboard of displacement transducer, signal conditioner, Bezier third-order low-pass filter, operational amplifier and AD converter and input working parameter; The displacement signal that sensor produces, through signal conditioner output dc voltage signal, through stable Bezier third-order low-pass filter of voltage follower input, amplify through the operational amplifier two-stage calculation, amplifier stage output is input to AD converter through stable voltage follower, single-chip microcomputer receives the signal of AD converter conversion, by display device measurement result is shown again.
3, full Rockwell hardometer according to claim 2 is characterized in that: this wave filter is the linear phase type.
4, full Rockwell hardometer according to claim 1 and 2 is characterized in that: also include a standard RS232 serial communication interface and be connected with single-chip microcomputer.
5, full Rockwell hardometer according to claim 1 is characterized in that: described supporting plate can be held up or be decontroled by control program control according to test request.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02282727 CN2575657Y (en) | 2002-10-31 | 2002-10-31 | Shale expansion analog testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02282727 CN2575657Y (en) | 2002-10-31 | 2002-10-31 | Shale expansion analog testing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2575657Y true CN2575657Y (en) | 2003-09-24 |
Family
ID=33744748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02282727 Expired - Lifetime CN2575657Y (en) | 2002-10-31 | 2002-10-31 | Shale expansion analog testing apparatus |
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| Country | Link |
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| CN (1) | CN2575657Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487343A (en) * | 2013-08-30 | 2014-01-01 | 广西玉柴机器股份有限公司 | Device for detecting Rockwell hardness of ball socket sample |
| CN106353210A (en) * | 2016-11-18 | 2017-01-25 | 上海奥龙星迪检测设备有限公司 | Horizontal brinell hardness tester |
| AT518859A4 (en) * | 2016-08-12 | 2018-02-15 | Qness Gmbh | Method and device for hardness testing |
| CN108169042A (en) * | 2017-11-23 | 2018-06-15 | 江阴市永兴机械制造有限公司 | A kind of rockwell hardness testing machine |
| CN108195699A (en) * | 2017-12-19 | 2018-06-22 | 新昌县三和轴承有限公司 | A kind of Rockwell apparatus |
| CN110006768A (en) * | 2019-04-24 | 2019-07-12 | 莱州市蔚仪试验器械制造有限公司 | A kind of touch screen digital display Rockwell apparatus |
| CN110864987A (en) * | 2019-11-29 | 2020-03-06 | 中国航空工业集团公司北京长城计量测试技术研究所 | Two-section type electromagnetic force application system of high-precision microhardness tester |
| CN113848144A (en) * | 2021-10-02 | 2021-12-28 | 华畤迪科技(无锡)有限公司 | Inner tube internal diameter hardness test instrument |
| CN116465772A (en) * | 2023-03-09 | 2023-07-21 | 中国航空工业集团公司北京长城计量测试技术研究所 | Full Rockwell Hardness Tester Preliminary Test Force Automatic Switching Device |
-
2002
- 2002-10-31 CN CN 02282727 patent/CN2575657Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487343A (en) * | 2013-08-30 | 2014-01-01 | 广西玉柴机器股份有限公司 | Device for detecting Rockwell hardness of ball socket sample |
| US10379019B2 (en) | 2016-08-12 | 2019-08-13 | Qness Gmbh | Method and device for hardness testing |
| AT518859A4 (en) * | 2016-08-12 | 2018-02-15 | Qness Gmbh | Method and device for hardness testing |
| AT518859B1 (en) * | 2016-08-12 | 2018-02-15 | Qness Gmbh | Method and device for hardness testing |
| CN107727485A (en) * | 2016-08-12 | 2018-02-23 | 魁尼斯有限公司 | Method and apparatus for hardness test |
| CN106353210A (en) * | 2016-11-18 | 2017-01-25 | 上海奥龙星迪检测设备有限公司 | Horizontal brinell hardness tester |
| CN106353210B (en) * | 2016-11-18 | 2024-02-02 | 上海奥龙星迪检测设备有限公司 | Horizontal brinell hardness tester |
| CN108169042A (en) * | 2017-11-23 | 2018-06-15 | 江阴市永兴机械制造有限公司 | A kind of rockwell hardness testing machine |
| CN108195699A (en) * | 2017-12-19 | 2018-06-22 | 新昌县三和轴承有限公司 | A kind of Rockwell apparatus |
| CN110006768A (en) * | 2019-04-24 | 2019-07-12 | 莱州市蔚仪试验器械制造有限公司 | A kind of touch screen digital display Rockwell apparatus |
| CN110864987A (en) * | 2019-11-29 | 2020-03-06 | 中国航空工业集团公司北京长城计量测试技术研究所 | Two-section type electromagnetic force application system of high-precision microhardness tester |
| CN110864987B (en) * | 2019-11-29 | 2022-03-29 | 中国航空工业集团公司北京长城计量测试技术研究所 | Two-section type electromagnetic force application system of high-precision microhardness tester |
| CN113848144A (en) * | 2021-10-02 | 2021-12-28 | 华畤迪科技(无锡)有限公司 | Inner tube internal diameter hardness test instrument |
| CN116465772A (en) * | 2023-03-09 | 2023-07-21 | 中国航空工业集团公司北京长城计量测试技术研究所 | Full Rockwell Hardness Tester Preliminary Test Force Automatic Switching Device |
| CN116465772B (en) * | 2023-03-09 | 2025-11-11 | 中国航空工业集团公司北京长城计量测试技术研究所 | Automatic conversion device for initial test force of full Rockwell hardness tester |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Expiration termination date: 20121031 Granted publication date: 20030924 |