CN201637643U - Digital readout Vicker hardness tester - Google Patents
Digital readout Vicker hardness tester Download PDFInfo
- Publication number
- CN201637643U CN201637643U CN2010201574975U CN201020157497U CN201637643U CN 201637643 U CN201637643 U CN 201637643U CN 2010201574975 U CN2010201574975 U CN 2010201574975U CN 201020157497 U CN201020157497 U CN 201020157497U CN 201637643 U CN201637643 U CN 201637643U
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- pressure head
- motor
- controller
- lever
- digital
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Abstract
A digital readout Viker hardness tester comprises a rack, a lifting sample platform, a pressure head, an object lens, a lens and, and a power mechanism connected at the rear end of the lever, wherein the power mechanism comprises a motor and a ball screw connected with the motor; the upper end of the ball screw is connected with the rear end of the lever; a pressure head handle is fixed on a rocker arm of the lens, and the middle part of the rocker arm is connected with the motor of the rocker arm; a pressure sensor is fixed between the pressure head and the pressure head handle; the signal output end of the pressure sensor is connected with a controller; and the side of the pressure head is provided with a digital automatic coder which is connected with the controller. In the Vicker hardness tester, the pressure value of the pressure head is measured by the sensor, and transmitted to the controller, and the controller controls a loading mechanism, thus being convenient for controlling that the pressure head is applied with accurate load during the loading and load keeping process; and after the loading, the controller controls the rotation of the rocker arm, the positions of the pressure head and the object lens are switched, the dent on a sample is read by the digital automatic coder so as to form the hardness value which is transmitted to the controller for display.
Description
Technical field:
The utility model relates to mechanical field, relates in particular to the testing material hardness device, particularly a kind of digital display Vickers.
Background technology:
In the prior art, Vickers adopts lever to add the mode imposed load of counterweight, and measuring error is big.Bao He mechanism is a Purely mechanical, protects the lotus time and generally has only discrete several numerical value, can not regulate continuously and protect the lotus time.And the test impression also needs manual switching object lens and pressure head, inconvenient operation after loading.
Summary of the invention:
The purpose of this utility model is to provide a kind of digital display Vickers, described this digital display Vickers to solve in the prior art Vickers loading mode error big, protect the lotus time can not regulate at random according to sample, measuring accuracy is low, the technical matters of inconvenient operation.
This digital display Vickers of the present utility model is by frame, be fixed on the lifting sample bench on the frame, the pressure head of lifting sample bench top, object lens and lever, and the actuating unit that is connected lever rear end constitutes, described pressure head, object lens, lever and actuating unit all are arranged on the frame, wherein, described actuating unit is made of motor and ball-screw, the upper end of described ball-screw is connected with the rear end of described lever, the output shaft of described motor cooperates the nut of ball screw to be connected by gearing with one, described pressure head is fixed on the pressure head handle, described pressure head handle and described object lens all are fixed on the pivoted arm, the middle part of described pivoted arm is connected with a tumbler motor, described tumbler motor is fixed on the frame, the upper end of pressure head handle is connected with described lever, be provided with pressure transducer between pressure head and the pressure head handle, the signal output part of described pressure transducer is connected with an analog to digital converter by amplifier, described analog to digital converter is connected with a controller, the side of pressure head is provided with a digital autocoder, the signal output part of described digital autocoder is connected with described controller, and described controller links to each other with the control end of motor and tumbler motor.
Further, be connected by a pair of gear between described nut and the motor output shaft, one of them gear is fixedlyed connected with motor output shaft, and another gear is fixedlyed connected with nut.
Further, described motor is a stepper motor.
Further, described sample bench is arranged on the screw rod, and described screw rod cooperates with a nut on being arranged on frame and constitutes screw thread pair.
Further, described controller is connected with a display and keyboard.
Further, described controller is a single-chip microcomputer.
Principle of work of the present utility model is: gather electric signal in the pressure transducer, be input to analog to digital converter through behind the amplifier, after modulus (AD) conversion, voltage analog signal is become digital signal, the control motor carries out loading, protects in the closed-loop control system of lotus, off-load after the via controller calculation process again, and sclerometer in the course of the work, and the subtle change of power value can compensate automatically; Impression after the test is read by digital autocoder, and forms hardness number, sends controller to for showing; Simultaneously, the may command tumbler motor drives the pivoted arm rotation after the loading, switches pressure head and object lens, is convenient to measure impression.
The utility model and prior art are compared, and its effect is actively with tangible.The utility model adopts the force value of sensor measurement pressure head in Brinell tester, send controller to, by controller control loading mechanism, so that the control pressure head applies load accurately in loading, guarantor lotus process; By control pivoted arm is rotated after the loading, pressure head and object lens position are switched, the impression on the sample reads, forms hardness number by digital autocoder, sends controller to for showing.
Description of drawings:
Fig. 1 is the structural representation of digital display Vickers of the present utility model.
Embodiment:
Embodiment 1:
As shown in Figure 1, digital display Vickers of the present utility model, comprise frame 1, be fixed on the lifting sample bench 2 on the frame, the pressure head 3 of lifting sample bench 2, object lens 13, lever 4, and the actuating unit that is connected lever 4 rear ends, wherein, described actuating unit comprises motor 5 and the ball-screw 6 that is connected with described motor 5, described ball-screw 6 upper ends are connected with described lever 4 rear ends, be connected by the output shaft of gearing with the nut 61 that described ball screw 6 matches with described motor 5, described pressure head 3 is fixed on the pressure head handle 31, described pressure head handle 31 is fixed on the pivoted arm 12 with described object lens 13, described pivoted arm 12 middle parts are connected with tumbler motor 14 on being fixed in described frame 1, described pressure head handle 31 upper ends are connected with described lever 4, also be fixed with pressure transducer 8 between described pressure head 3 and the described pressure head handle 31, the signal output part of described pressure transducer 8 is connected with analog to digital converter by amplifier, described analog to digital converter is connected with controller 9, be provided with digital autocoder 10 in described pressure head 3 sides, the signal output part of described digital autocoder 10 links to each other with described controller 9, and described controller 9 links to each other by the control signal end of output signal with described motor 5 and tumbler motor 14.
Further, gearing is a pair of gear 7 between the nut 61 of described ball-screw and the described motor 5, and one of them gear is fixedlyed connected with described motor output shaft, and another gear is fixedlyed connected with described nut.Described gearing also can chain and sprocket driving device.
Further, described motor 5 is stepper motors.
Further, described sample bench 2 is arranged on the screw rod 21, institute's screw rod 21 formation screw thread pair that matches with another nut 22 on being arranged at described frame 1.
Further, be connected with described controller 9 and also be provided with a display 11 and keyboard.
Further, described controller 9 is single-chip microcomputers.
Claims (6)
1. digital display Vickers, by frame, be fixed on the lifting sample bench on the frame, the pressure head of lifting sample bench top, object lens and lever, and the actuating unit that is connected lever rear end constitutes, described pressure head, object lens, lever and actuating unit all are arranged on the frame, it is characterized in that: described actuating unit is made of motor and ball-screw, the upper end of described ball-screw is connected with the rear end of described lever, the output shaft of described motor cooperates the nut of ball screw to be connected by gearing with one, described pressure head is fixed on the pressure head handle, described pressure head handle and described object lens all are fixed on the pivoted arm, the middle part of described pivoted arm is connected with a tumbler motor, described tumbler motor is fixed on the frame, the upper end of pressure head handle is connected with described lever, be provided with pressure transducer between pressure head and the pressure head handle, the signal output part of described pressure transducer is connected with an analog to digital converter by amplifier, described analog to digital converter is connected with a controller, the side of pressure head is provided with a digital autocoder, the signal output part of described digital autocoder is connected with described controller, and described controller links to each other with the control end of motor and tumbler motor.
2. digital display Vickers as claimed in claim 1 is characterized in that: be connected by a pair of gear between described nut and the motor output shaft, one of them gear is fixedlyed connected with motor output shaft, and another gear is fixedlyed connected with nut.
3. digital display Vickers as claimed in claim 1 is characterized in that: described motor is a stepper motor.
4. digital display Vickers as claimed in claim 1 is characterized in that: described sample bench is arranged on the screw rod, and described screw rod cooperates with a nut on being arranged on frame and constitutes screw thread pair.
5. digital display Vickers as claimed in claim 1 is characterized in that: described controller is connected with a display and keyboard.
6. digital display Vickers as claimed in claim 1 is characterized in that: described controller is a single-chip microcomputer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010201574975U CN201637643U (en) | 2010-04-13 | 2010-04-13 | Digital readout Vicker hardness tester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010201574975U CN201637643U (en) | 2010-04-13 | 2010-04-13 | Digital readout Vicker hardness tester |
Publications (1)
Publication Number | Publication Date |
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CN201637643U true CN201637643U (en) | 2010-11-17 |
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CN2010201574975U Expired - Fee Related CN201637643U (en) | 2010-04-13 | 2010-04-13 | Digital readout Vicker hardness tester |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102393341A (en) * | 2011-08-03 | 2012-03-28 | 湘潭大学 | Device for testing hardness, fracture toughness and residual stress of brittle material with indentation method |
CN102645386A (en) * | 2011-02-17 | 2012-08-22 | 魁尼斯有限公司 | Hardness testing device and method for adjusting hardness testing device |
CN102788733A (en) * | 2011-05-20 | 2012-11-21 | 上海奥龙星迪检测设备有限公司 | Automatic force adjustment device for micro-Vickers hardness meter |
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 |
CN104075941A (en) * | 2014-06-12 | 2014-10-01 | 湘潭大学 | In-situ synchronous test method and device for fracture toughness and residual stress of fragile material |
CN104823036A (en) * | 2012-12-05 | 2015-08-05 | 伊利诺斯工具制品有限公司 | Snap grip indenter mount used on hardness tester |
CN106323780A (en) * | 2016-11-04 | 2017-01-11 | 上海奥龙星迪检测设备有限公司 | Machine head moving type Vickers hardness meter |
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 |
CN106546501A (en) * | 2016-09-09 | 2017-03-29 | 上海尚材试验机有限公司 | It is provided with the hardometer of ccd image acquisition system |
CN108896595A (en) * | 2018-06-15 | 2018-11-27 | 昆明理工大学 | A kind of scanning electron microscope sample table of protection probe |
CN108956280A (en) * | 2018-10-16 | 2018-12-07 | 马鞍山北光冶金机械有限责任公司 | A kind of engine cylinder body hardness automated test device |
CN109470587A (en) * | 2019-01-08 | 2019-03-15 | 上海研润光机科技有限公司 | A kind of hardometer based on high-precision pressure sensor Control experiment power |
CN112400102A (en) * | 2018-04-23 | 2021-02-23 | 伊利诺斯工具制品有限公司 | Hardness tester having a pivoting body and capable of providing electrical power to accessories thereon |
-
2010
- 2010-04-13 CN CN2010201574975U patent/CN201637643U/en not_active Expired - Fee Related
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102645386A (en) * | 2011-02-17 | 2012-08-22 | 魁尼斯有限公司 | Hardness testing device and method for adjusting hardness testing device |
CN102645386B (en) * | 2011-02-17 | 2016-12-28 | 魁尼斯有限公司 | Hardness measuring device and the method being used for regulating hardness measuring device |
CN102788733A (en) * | 2011-05-20 | 2012-11-21 | 上海奥龙星迪检测设备有限公司 | Automatic force adjustment device for micro-Vickers hardness meter |
CN102393341A (en) * | 2011-08-03 | 2012-03-28 | 湘潭大学 | Device for testing hardness, fracture toughness and residual stress of brittle material with indentation method |
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 |
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 |
CN104823036A (en) * | 2012-12-05 | 2015-08-05 | 伊利诺斯工具制品有限公司 | Snap grip indenter mount used on hardness tester |
CN104075941A (en) * | 2014-06-12 | 2014-10-01 | 湘潭大学 | In-situ synchronous test method and device for fracture toughness and residual stress of fragile material |
CN106546501A (en) * | 2016-09-09 | 2017-03-29 | 上海尚材试验机有限公司 | It is provided with the hardometer of ccd image acquisition system |
CN106323780A (en) * | 2016-11-04 | 2017-01-11 | 上海奥龙星迪检测设备有限公司 | Machine head moving type Vickers hardness meter |
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 |
CN112400102A (en) * | 2018-04-23 | 2021-02-23 | 伊利诺斯工具制品有限公司 | Hardness tester having a pivoting body and capable of providing electrical power to accessories thereon |
CN108896595A (en) * | 2018-06-15 | 2018-11-27 | 昆明理工大学 | A kind of scanning electron microscope sample table of protection probe |
CN108956280A (en) * | 2018-10-16 | 2018-12-07 | 马鞍山北光冶金机械有限责任公司 | A kind of engine cylinder body hardness automated test device |
CN108956280B (en) * | 2018-10-16 | 2023-12-12 | 马鞍山北光冶金机械有限责任公司 | Automatic test equipment for hardness of engine cylinder block |
CN109470587A (en) * | 2019-01-08 | 2019-03-15 | 上海研润光机科技有限公司 | A kind of hardometer based on high-precision pressure sensor Control experiment power |
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Legal Events
Date | Code | Title | Description |
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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: 20101117 Termination date: 20150413 |
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EXPY | Termination of patent right or utility model |