CN202141656U - Digital display small-load Brinell hardenss tester - Google Patents
Digital display small-load Brinell hardenss tester Download PDFInfo
- Publication number
- CN202141656U CN202141656U CN201120233755U CN201120233755U CN202141656U CN 202141656 U CN202141656 U CN 202141656U CN 201120233755 U CN201120233755 U CN 201120233755U CN 201120233755 U CN201120233755 U CN 201120233755U CN 202141656 U CN202141656 U CN 202141656U
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- pressure head
- motor
- screw
- digital display
- camera
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Abstract
A digital display small-load Brinell hardenss tester is composed of a machine frame, a lifting sample table, a pressure head, a lever and a power mechanism, wherein the power mechanism is composed of a motor and a ball lead screw, and the upper end of the ball lead screw is connected with the rear end of the lever. A nut is arranged on the ball lead screw and connected with an output shaft of the motor through a transmission device. A pressure sensor is arranged between the pressure head and a pressure head handle, the pressure head handle is arranged on a power-driven turntable, and a camera is arranged on the power-driven turntable. Two scale gauges are arranged in front of an objective lens of the camera and respectively connected with a screw, the screws are respectively arranged in screw holes on the power-driven turntable, rotating wheels are respectively connected with the screws, and the signal output end of the camera is connected with a display screen. The digital display small-load Brinell hardenss tester adopts the pressure sensor to measure pressure value of the pressure head, adopts a controller to control a loading mechanism, and uses the camera and the display screen to observe indentation on samples after amplification, and therefore measuring results are less affected by parallax of operators.
Description
Technical field
The utility model relates to mechanical field, relates in particular to the testing material hardness device, the little load Brinell tester of particularly a kind of digital display.
Background technology
In the prior art, little load Brinell tester adopts lever to add the mode imposed load of counterweight, and measuring error is big; Bao He mechanism is a Purely mechanical; Can not regulate the lotus time of protecting continuously, need artificially to measure the diameter of impression through eyepiece, measurement result receives personnel's parallax effects.
Summary of the invention
The purpose of the utility model is to provide a kind of digital display little load Brinell tester; The little load Brinell tester of described this digital display to solve in the prior art the little load Brinell tester of digital display loading mode error big, protect the lotus time and can not regulate at random according to sample, cause the technical matters that measuring accuracy is low, measurement result receives personnel's parallax effects.
The little load Brinell tester of this digital display of the utility model is by frame, the actuating unit that is arranged on up-down sample bench in the frame, is arranged on the pressure head and the lever of sample bench top and is connected lever rear end constitutes, wherein; Described actuating unit is made up of motor and ball-screw, and the upper end of described ball-screw is connected with the rear end of described lever, and ball-screw is provided with a nut; Described nut is connected with the output shaft of described motor through gearing; Described pressure head is fixed on the pressure head handle, is provided with a pressure transducer between pressure head and the pressure head handle, and described pressure head handle is arranged on the electric rotary; Described electric rotary is driven by a rotary tray motor; Described rotary tray motor is arranged on the frame, and electric rotary is provided with a camera, is provided with two linear standards before the object lens of described camera; Described two linear standards are connected with screw rod separately; Screw rod is separately positioned in the screw on the electric rotary, is connected with rotor wheel on the screw rod separately, and signal at output end of camera is connected with a display screen.
Further; The signal output part of described pressure transducer is connected with an analog to digital converter through amplifier; Described analog to digital converter is connected with a controller; Be provided with a rotary encoder separately on any described rotor wheel, the signal output part of described rotary encoder is connected with described controller, and controller is connected with the control signal end of motor.Further, described motor is a stepper motor.
Further, described sample bench is arranged on the screw rod, and described screw rod cooperates with 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.
The principle of work of the utility model is: in the measuring process, sample is pressurizeed and the guarantor lotus through the controller function pressure head.In this process; Collect electric signal in the pressure transducer, be input to analog to digital converter through behind the amplifier, for example AD574; After analog to digital conversion, become digital signal to voltage analog signal, the control motor carries out loading, Bao He and off-load after the via controller calculation process again.The subtle change of power value is compensated by controller automatically.After the off-load, carry out after utilizing camera and display screen that impression is amplified, measure the impression diameter data, be input in the controller, carry out hardness calculation through regulating linear standards.The rotational automatic scrambler that utilization is arranged on the linear standards governor motion can directly obtain the impression diameter data, and directly sends controller to.
The utility model and prior art are compared, and its effect is actively with tangible.The utility model utilizes pressure transducer to measure the force value of pressure head; Pass to controller,, can in loading, guarantor lotus process, apply load accurately by controller control loading mechanism; Utilize camera and display screen to amplify the back and observe the impression on the sample; Measurement result receives personnel's parallax effects little, utilizes rotary encoder to read impression diameter, can directly send controller to and calculate hardness.
Description of drawings
Fig. 1 is the structural representation of the little load Brinell tester of the digital display of the utility model.
Embodiment
Embodiment 1
As shown in Figure 1, the little load Brinell tester of the digital display of the utility model is made up of frame 1, the actuating unit that is arranged on the up-down sample bench 2 in the frame 1, the pressure head 3 that is arranged on up-down sample bench 2 tops and lever 4 and is connected lever 4 rear ends; Wherein, Described actuating unit is made up of motor 5 and ball-screw 6, and the upper end of described ball-screw 6 is connected with the rear end of described lever 4, and ball-screw 6 is provided with a nut; Described nut is connected with the output shaft of described motor 5 through gearing 7; Described pressure head 3 is fixed on the pressure head handle 31, is provided with a pressure transducer 8 between pressure head 3 and the pressure head handle 31, and described pressure head handle 31 is arranged on the electric rotary; Described electric rotary is driven by a rotary tray motor (not shown); Described rotary tray motor is arranged on the frame 1, and electric rotary is provided with a camera 12, is provided with two linear standards before the object lens of described camera 12; Described two linear standards are connected with screw rod separately; Screw rod is separately positioned in the screw on the electric rotary, is connected with rotor wheel 13 on the screw rod separately, and the signal output part of camera 12 is connected with a display screen (not shown).
Further; The signal output part of described pressure transducer 8 is connected with an analog to digital converter through amplifier; Described analog to digital converter is connected with a controller 9; Be provided with a rotary encoder 10 separately on any described rotor wheel 13, the signal output part of described rotary encoder 10 is connected with described controller 9, and controller 9 is connected with the control signal end of motor 5.Further, described motor 5 is stepper motors 5.
Further, described up-down sample bench 2 is arranged on the screw rod 21, and described screw rod 21 cooperates with nut 22 on being arranged on frame 1 and constitutes screw thread pair.
Further, described controller 9 is connected with a display 11 and keyboard.
Further, described controller 9 is single-chip microcomputers.
The principle of work of the utility model is: in the measuring process, through 3 pairs of sample pressurizations of controller 9 operation pressure heads and guarantor lotus.In this process; Collect electric signal in the pressure transducer 8, be input to analog to digital converter through behind the amplifier, for example AD574; After analog to digital conversion, become digital signal to voltage analog signal, control motor 5 carries out loading, Bao He and off-load after via controller 9 calculation process again.The subtle change of power value is compensated by controller 9 automatically.After the off-load, carry out after utilizing camera 12 and display screen that impression is amplified, measure the impression diameter data, be input in the controller 9, carry out hardness calculation through regulating linear standards.The rotational automatic scrambler that utilization is arranged on the linear standards governor motion can directly obtain the impression diameter data, and directly sends controller 9 to.
Claims (6)
1. little load Brinell tester of digital display, by frame, the actuating unit that is arranged on up-down sample bench in the frame, is arranged on the pressure head and the lever of sample bench top and is connected lever rear end constitutes, it is characterized in that: described actuating unit is made up of motor and ball-screw; The upper end of described ball-screw is connected with the rear end of described lever; Ball-screw is provided with a nut, and described nut is connected with the output shaft of described motor through gearing, and described pressure head is fixed on the pressure head handle; Be provided with a pressure transducer between pressure head and the pressure head handle; Described pressure head handle is arranged on the electric rotary, and described electric rotary is driven by a rotary tray motor, and described rotary tray motor is arranged on the frame; Electric rotary is provided with a camera; Be provided with two linear standards before the object lens of described camera, described two linear standards are connected with screw rod separately, and screw rod is separately positioned in the screw on the electric rotary; Be connected with rotor wheel on the screw rod separately, signal at output end of camera is connected with a display screen.
2. the little load Brinell tester of digital display as claimed in claim 1; It is characterized in that: the signal output part of described pressure transducer is connected with an analog to digital converter through amplifier; Described analog to digital converter is connected with a controller; Be provided with a rotary encoder separately on any described rotor wheel, the signal output part of described rotary encoder is connected with described controller, and controller is connected with the control signal end of motor.
3. the little load Brinell tester of digital display as claimed in claim 1, it is characterized in that: described motor is a stepper motor.
4. the little load Brinell tester of digital display as claimed in claim 1 is characterized in that: described sample bench is arranged on the screw rod, and described screw rod cooperates with nut on being arranged on frame and constitutes screw thread pair.
5. the little load Brinell tester of digital display as claimed in claim 1 is characterized in that: described controller is connected with a display and keyboard.
6. the little load Brinell tester of digital display as claimed in claim 1, it is characterized in that: described controller is a single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120233755U CN202141656U (en) | 2011-07-05 | 2011-07-05 | Digital display small-load Brinell hardenss tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120233755U CN202141656U (en) | 2011-07-05 | 2011-07-05 | Digital display small-load Brinell hardenss tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202141656U true CN202141656U (en) | 2012-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120233755U Expired - Fee Related CN202141656U (en) | 2011-07-05 | 2011-07-05 | Digital display small-load Brinell hardenss tester |
Country Status (1)
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| CN (1) | CN202141656U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105259061A (en) * | 2015-11-13 | 2016-01-20 | 广西玉柴机器股份有限公司 | Cam shaft Rockwell hardness detecting assembly |
| 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 |
| CN107084898A (en) * | 2017-05-15 | 2017-08-22 | 河海大学常州校区 | Hardness test device and Forecasting Methodology for metal impact Abrasion prediction |
| CN109900585A (en) * | 2019-03-29 | 2019-06-18 | 河南省计量科学研究院 | A kind of standard Brookfield hardometer |
-
2011
- 2011-07-05 CN CN201120233755U patent/CN202141656U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105259061A (en) * | 2015-11-13 | 2016-01-20 | 广西玉柴机器股份有限公司 | Cam shaft Rockwell hardness detecting assembly |
| 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 |
| CN107084898A (en) * | 2017-05-15 | 2017-08-22 | 河海大学常州校区 | Hardness test device and Forecasting Methodology for metal impact Abrasion prediction |
| CN107084898B (en) * | 2017-05-15 | 2019-08-30 | 河海大学常州校区 | Hardness test device and prediction technique for metal impact Abrasion prediction |
| CN109900585A (en) * | 2019-03-29 | 2019-06-18 | 河南省计量科学研究院 | A kind of standard Brookfield hardometer |
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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: 20120208 Termination date: 20150705 |
|
| EXPY | Termination of patent right or utility model |