CN201488924U - Automatic Brinell hardness testing machine - Google Patents
Automatic Brinell hardness testing machine Download PDFInfo
- Publication number
- CN201488924U CN201488924U CN2009202179608U CN200920217960U CN201488924U CN 201488924 U CN201488924 U CN 201488924U CN 2009202179608 U CN2009202179608 U CN 2009202179608U CN 200920217960 U CN200920217960 U CN 200920217960U CN 201488924 U CN201488924 U CN 201488924U
- Authority
- CN
- China
- Prior art keywords
- testing machine
- test power
- test
- pressure head
- hardness testing
- Prior art date
- 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
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses an automatic Brinell hardness testing machine mainly comprising a control mechanism used for storing system programs and data and controlling the test force, a force sensor installed on a pressure head seat, a lifting mechanism corresponding to the pressure head, a display device displaying the test parameters, a test force loading mechanism providing specified test force and consisting of a lever, a screw and a drive motor component, and a measuring mechanism integrated into a whole after stress application, which comprises a measuring probe and a computer measuring system, and is used for automatically measuring the Brinell hardness results.
Description
Technical field
The utility model relates to a kind of physical measurement device, particularly testing machine and measuring mechanism (comprising gauge head and special-purpose computer software measurement system) are integrated, the test power of Brinell hardness regulation accurately is provided by testing machine, extrude impression at specimen surface, by integrated gauge head, obtain and show the impression image on computers, measure the Brinell hardness result by corresponding Survey Software.
Background technology
Brineling 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 brineling is to carry out on ball hardness testing machine or Brinell tester.At present, general measuring method is separately carried out: testing machine provides test power by counterweight, reaches the power value of regulation after lever amplifies, and extrudes impression on the tested sample surface; Then tested sample is taken the optical readings microscopically, read impression diameter, manually table look-up again or calculate the Brinell hardness result.
Summary of the invention
Purpose of the present invention just provides a kind of sclerometer, does not need counterweight, by control gear and load maintainer closed-loop control, realizes the test power of regulation, extrudes impression at specimen surface; Simultaneously the impression measuring mechanism is integrated with testing machine, by integrated gauge head, obtains automatically and shows on computers and by corresponding Survey Software measurement Brinell hardness result, measure the result automatically by the impression image, does not need manually to table look-up or calculate.
For achieving the above object, the utility model provides a kind of automatic ball hardness testing machine, and it comprises: pressure head, and it is used for extruding impression on the surface of tested sample workpiece; Test power load maintainer, it is used for providing test power to pressure head, so that pressure head applies the test power of regulation on the surface of detected sample workpiece; Control gear, it is used for storage system program and data and control the action of test power load maintainer; Elevating mechanism, it is used to drive upper and lower the moving of tested sample workpiece on the sample stage on top; Measurement mechanism, it is used for the tested sample workpiece on the sample stage is carried out hardness test; Display device, it is used to show test parameters and control result, this measurement mechanism comprises gauge head and computer software measurement system, gauge head is directly installed on this testing machine and is integrated with testing machine, wherein gauge head is used to obtain the image information of the impression that is extruded by pressure head, and the computer software measurement system measures the Brinell hardness result according to this image information.
Described control gear comprises force transducer, signal conditioner, operational amplifier, AD converter and single-chip microcomputer, wherein, the signal that force transducer produces, through signal conditioner output dc voltage signal, amplify through the operational amplifier two-stage calculation, amplify output and be input to AD converter through stable voltage follower, single-chip microcomputer receives the signal of AD converter conversion, the action of control test power load maintainer will be controlled the result at last again and show on display device.
Test power load maintainer comprises lever, screw rod, drive motor, wherein, drive motor is according to the instruction forward or reverse of control gear, drive screw rod tension or lax, transmit pulling force to the lever of its connection, after lever amplifies, transmit test power to pressure head, apply the test power of regulation on the surface of tested sample workpiece.
Test power load maintainer provides Brinell test power, and this test power is a kind of in following 10 kinds of power: 3000kgf (29400N), 1500Kgf (14700N), 1000Kgf (9800N), 750Kgf (7355N), 500Kgf (4900N), 250Kgf (2452N), 187.5Kgf (1839N), 125Kgf (1226N), 100Kgf (980N) and 62.5Kgf (612.9N).
The image information of the impression that is obtained by gauge head is transferred to the computing machine that is connected with testing machine by the USB line, and the computer software measurement system of being installed by computing machine measures the Brinell hardness result according to this image information, and shows on computer screen.
Thus, the utlity model has significant beneficial effect:
Owing to adopt the electronic load mode of single-chip microcomputer closed-loop control, cancelled traditional counterweight load mode, reduce the cast iron consumption in a large number, the common Brinell tester of complete machine weight ratio alleviates 50%, has saved material, the energy, has reduced the environmental pollution that casting brings.
The selection switching of test power can be finished by button, no longer needs manually to move counterweight and alleviates operator's labour intensity greatly, and eliminated potential safety hazard, improves Labor Safety.
Integrated gauge head is simple and easy to use, cooperates with professional Survey Software, finishes hardness measurement and computing, and is accurately, fast, reliable; Get rid of traditional approach opthalmic optics microscope reading, then the drawback of the fatigue brought of computation of table lookup, fallibility, poor repeatability.
Description of drawings
The automatic ball hardness testing machine cut-away view of Fig. 1 the utility model;
The automatic ball hardness testing machine appearance assumption diagram of Fig. 2 the utility model;
The automatic ball hardness testing machine microprocessor of Fig. 3 the utility model control principle figure;
The automatic ball hardness testing machine circuit theory diagrams of Fig. 4 the utility model.
The figure number explanation:
1-leading screw 2-pressing head seat
3-lever 4-motor
5-screw rod 6-control gear
7-display screen 8-gauge head
9-sample stage 10-USB line
The 11-computing machine
Embodiment
Describe the present invention with reference to the accompanying drawings in detail.
Fig. 1 is the automatic ball hardness testing machine cut-away view of the utility model.The automatic ball hardness testing machine appearance assumption diagram of Fig. 2 the utility model.In conjunction with Fig. 1 and Fig. 2 moving ball hardness testing machine provided by the utility model is described, it comprises: pressure head, this pressure head are used for extruding impression on the surface of tested sample workpiece; Test power load maintainer, it is used for providing test power to pressure head, so that pressure head applies the test power of regulation on the surface of detected sample workpiece; Control gear, it is used for storage system program and data and control the rotational action of motor 4 in the test power load maintainer; Elevating mechanism, it is used to drive upper and lower the moving of tested sample workpiece on the sample stage on top; Measurement mechanism, it is used for the tested sample workpiece on the sample stage is carried out hardness test; Measurement mechanism, it is used for the tested sample workpiece on the sample stage is carried out hardness test, and display device, and it is used to show test parameters and control result.
In more detail, automatically the included test power load maintainer of ball hardness testing machine comprises lever 3, screw rod 5, drive motor 4, wherein, drive motor 4 drives screw rod 5 tensions or lax according to the instruction forward or reverse of control gear, transmits pulling force to the lever 3 of its connection, after lever 3 amplifies, transmit test power to pressing head seat 2,, apply the test power of regulation on the surface of tested sample workpiece further to transfer the pressure on the pressure head.
Automatically the included control gear 6 of ball hardness testing machine comprises force transducer, signal conditioner, operational amplifier, AD converter and single-chip microcomputer, wherein, the signal that force transducer produces, through signal conditioner output dc voltage signal, amplify through the operational amplifier two-stage calculation, amplify output and be input to AD converter through stable voltage follower, single-chip microcomputer receives the signal of AD converter conversion, the action of control test power load maintainer will be controlled the result at last again and show on display device.
Automatically the included elevating mechanism of ball hardness testing machine mainly comprises leading screw 1, sample stage 9 etc.By leading screw 1, drive upper and lower the moving of workpiece on the top sample stage 9, and carry out hardness test on its surface.
Automatically the included measurement mechanism of ball hardness testing machine comprises gauge head 8 and computer software measurement system, gauge head is directly installed on this testing machine and is integrated with testing machine, wherein gauge head is used to obtain the image information of the impression that is extruded by pressure head, and the computer software measurement system measures the Brinell hardness result according to this image information.The image information of the impression that is obtained by gauge head is transferred to the computing machine 11 that is connected with testing machine by USB line 10, the computer software measurement system of being installed by computing machine 11 measures the Brinell hardness result according to this image information, and shows on computer screen.Display device, it is used to show test parameters and control result.
Automatically the included display device of ball hardness testing machine mainly is a display screen 7, can be various display screen of the prior art, and this display screen is arranged with keyboard, can test parameters be set by keyboard.
Test power load maintainer provides Brinell test power, and this test power is a kind of in following 10 kinds of power: 3000kgf (29400N), 1500Kgf (14700N), 1000Kgf (9800N), 750Kgf (7355N), 500Kgf (4900N), 250Kgf (2452N), 187.5Kgf (1839N), 125Kgf (1226N), 100Kgf (980N) and 62.5Kgf (612.9N).
The automatic ball hardness testing machine microprocessor of Fig. 3 the utility model control principle figure.The automatic ball hardness testing machine circuit theory diagrams of Fig. 4 the utility model.It is the single-chip computer control system of core with P89C51RD2 that automatic ball hardness testing machine control gear of the present utility model is one.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.
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.
The utility model can be controlled automatically and add unloading, and try hard to keep time of holding and countdown demonstration are tested in control, can be provided with and automatic memory test parameter.
Claims (5)
1. automatic ball hardness testing machine, it comprises:
Pressure head, it is used for extruding impression on the surface of tested sample workpiece;
Test power load maintainer, it is used for providing test power to pressure head, so that pressure head applies the test power of regulation on the surface of detected sample workpiece;
Control gear, it is used for storage system program and data and control the action of test power load maintainer;
Elevating mechanism, it is used to drive upper and lower the moving of tested sample workpiece on the sample stage on top;
Measurement mechanism, it is used for the tested sample workpiece on the sample stage is carried out hardness test;
Display device, it is used to show test parameters and control result,
It is characterized in that, this measurement mechanism comprises gauge head and computer software measurement system, gauge head is directly installed on this testing machine and is integrated with testing machine, wherein gauge head is used to obtain the image information of the impression that is extruded by pressure head, and the computer software measurement system measures the Brinell hardness result according to this image information.
2. automatic ball hardness testing machine according to claim 1, it is characterized in that: described control gear comprises force transducer, signal conditioner, operational amplifier, AD converter and single-chip microcomputer, wherein, the signal that force transducer produces, through signal conditioner output dc voltage signal, amplify through the operational amplifier two-stage calculation, amplify output and be input to AD converter through stable voltage follower, single-chip microcomputer receives the signal of AD converter conversion, the action of control test power load maintainer will be controlled the result at last again and show on display device.
3. automatic ball hardness testing machine according to claim 2, it is characterized in that: test power load maintainer comprises lever, screw rod, drive motor, wherein, drive motor is according to the instruction forward or reverse of control gear, drive screw rod tension or lax, transmit pulling force to the lever of its connection, after lever amplifies, transmit test power to pressure head, apply the test power of regulation on the surface of tested sample workpiece.
4. according to claim 2 and 3 described automatic ball hardness testing machines, it is characterized in that: test power load maintainer provides Brinell test power, and this test power is a kind of in following 10 kinds of power: 3000kgf, 1500Kgf, 1000Kgf, 750Kgf, 500Kgf, 250Kgf, 187.5Kgf, 125Kgf, 100Kgf and 62.5Kgf.
5. automatic ball hardness testing machine according to claim 1, it is characterized in that: the image information of the impression that is obtained by gauge head is transferred to the computing machine that is connected with testing machine by the USB line, the computer software measurement system of being installed by computing machine measures the Brinell hardness result according to this image information, and shows on computer screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202179608U CN201488924U (en) | 2009-10-12 | 2009-10-12 | Automatic Brinell hardness testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202179608U CN201488924U (en) | 2009-10-12 | 2009-10-12 | Automatic Brinell hardness testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201488924U true CN201488924U (en) | 2010-05-26 |
Family
ID=42427797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202179608U Expired - Fee Related CN201488924U (en) | 2009-10-12 | 2009-10-12 | Automatic Brinell hardness testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201488924U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293073A (en) * | 2013-06-05 | 2013-09-11 | 南通市华海铸造有限公司 | Portable electronic Brinell hardness tester |
| CN103765188A (en) * | 2011-08-31 | 2014-04-30 | 王仪公司 | Portable brinell hardness tester |
| CN104422629A (en) * | 2013-09-03 | 2015-03-18 | 北京时代之峰科技有限公司 | Brinell hardness-based indentation image recognition method and system |
| CN106153483A (en) * | 2016-08-27 | 2016-11-23 | 李子振 | A kind of durometer being applicable to rubber and operational approach thereof |
| CN107796718A (en) * | 2017-10-13 | 2018-03-13 | 郑显锋 | Brineling system and method |
| CN108169041A (en) * | 2017-12-21 | 2018-06-15 | 玉林市金腾建材有限公司 | A kind of stainless steel cold-rolled plate intensity detecting device |
-
2009
- 2009-10-12 CN CN2009202179608U patent/CN201488924U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103765188A (en) * | 2011-08-31 | 2014-04-30 | 王仪公司 | Portable brinell hardness tester |
| CN103293073A (en) * | 2013-06-05 | 2013-09-11 | 南通市华海铸造有限公司 | Portable electronic Brinell hardness tester |
| CN104422629A (en) * | 2013-09-03 | 2015-03-18 | 北京时代之峰科技有限公司 | Brinell hardness-based indentation image recognition method and system |
| CN106153483A (en) * | 2016-08-27 | 2016-11-23 | 李子振 | A kind of durometer being applicable to rubber and operational approach thereof |
| CN107796718A (en) * | 2017-10-13 | 2018-03-13 | 郑显锋 | Brineling system and method |
| CN108169041A (en) * | 2017-12-21 | 2018-06-15 | 玉林市金腾建材有限公司 | A kind of stainless steel cold-rolled plate intensity detecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201488924U (en) | Automatic Brinell hardness testing machine | |
| CN206920243U (en) | A kind of uniaxial compression test device | |
| CN201637643U (en) | Digital readout Vicker hardness tester | |
| CN2929699Y (en) | Shearing tester between road surface layers | |
| CN106248263B (en) | A kind of the contact force measurement experimental rig and application method of granular materials riding chain structure | |
| CN204330208U (en) | For detecting the force standard machines of pull and push dynamometer | |
| CN202583021U (en) | Ball indentation hardness tester | |
| CN103884595B (en) | Casting sand five intensity vertical device for testing and the sand bond acquisition methods based on this device | |
| CN209342513U (en) | A kind of soil cement unconfined compressive strength test device | |
| CN206172707U (en) | Elevator equilibrium coefficient detects system that uses | |
| CN205426672U (en) | Testing arrangement of casting sand intensity | |
| CN202214716U (en) | Panel load tester | |
| CN202066669U (en) | Motorcycle brake test system | |
| CN109556507A (en) | A kind of lightweight stamping die self-operated measuring unit | |
| CN105445151A (en) | Automatic device for measuring setting time of concrete mixture | |
| CN207408223U (en) | A kind of fibrous mechanical property tests system | |
| TWI472761B (en) | Spherical automatic test device | |
| CN206300850U (en) | A kind of telescopic shear box three dimension stress direct shear apparatus of ring | |
| CN110617756B (en) | Contact type valve plate flatness detection device and method | |
| CN205015229U (en) | Removable formula compression test machine | |
| CN209513569U (en) | A kind of film and basal body binding force manual measurement device | |
| CN203299065U (en) | Novel wechsler hardness tester | |
| CN1373347A (en) | Integrated autocontrol tester for prestressed stretch-draw anchor | |
| CN201637644U (en) | Automatic digital readout Brinell image measuring hardness meter | |
| CN207515934U (en) | A kind of pressure transition detecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20121012 |