CN88200728U - Hardness tester - Google Patents
Hardness tester Download PDFInfo
- Publication number
- CN88200728U CN88200728U CN 88200728 CN88200728U CN88200728U CN 88200728 U CN88200728 U CN 88200728U CN 88200728 CN88200728 CN 88200728 CN 88200728 U CN88200728 U CN 88200728U CN 88200728 U CN88200728 U CN 88200728U
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- hardness
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- numbers
- tester
- utility
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- 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 - Lifetime
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Abstract
The utility model relates to a hardness tester which is used for testing the hardness of the object. The hardness tester is composed of a shook transducer and a portable computer. The Ridgeway's hardness numbers can be displayed, the Ridgeway's hardness numbers can be changed into, the Brinell hardness numbers, and the Bockwell hardness numbers, and the Brinell hardness numbers and the Rockwell hardness numbers are printed. The utility model has the advantages of high precision, and low cost. The tester is mainly used for the hardness test of the large casting and forging components and the permanent assembly parts, the discrimination of the warehouse materials, and the failure analysis of the equipment.
Description
The utility model is a kind of hardness-testing device that is used for Measuring Object hardness.
Existing hardness-testing device, the lee ' hardness tester as Switzerland produces mainly can show that by one the Leeb Hardness Tester of lee ' hardness value and shock transducer constitute.This tester costs an arm and a leg, and it only can show single lee ' hardness value, can not the printing test result.The purpose of this utility model provides a kind of novel hardness-testing device, and it can not only measure the lee ' hardness value, can also convert thereof into Bu Shi, Rockwell hardness number.And it is printed.
The utility model mainly is made of portable computer and shock transducer.On the portable computer addition amplifier and D/A, and shock transducer, amplifier, D/A and portable computer connect together by circuit, constitutes the said hardness-testing device of the utility model.The lee ' hardness tester that the utility model and Switzerland produce is compared, and it can not only show the lee ' hardness value, can also convert them to Bu Shi, Rockwell hardness number automatically, and print, and test not only soon but also accurate.In addition, portable computer also can use separately, and it can not influence the performance of itself function because of linking to each other with shock transducer.
Below with reference to accompanying drawing in detail embodiment of the present utility model is described in detail:
Fig. 1 is a circuit block diagram of the present utility model
Fig. 2 is the shock transducer structural drawing
Basic functional principle of the present utility model is: during test object hardness, shock transducer is obtained the analog electrical signal of a hardness number by the testee surface, this electric signal is imported in the amplifier and amplifies, the electric signal that has amplified is imported into and carries out the Analog signals'digital signal transition in the D/A, and the digital signal that will be changed input computing machine, the numeral of carrying out the Richter scale value shows, utilize the software function of computing machine to convert the lee ' hardness value to Bu Shi simultaneously, Rockwell hardness number, and come out by computer printout, so just finished the test of a hardness number.Shock transducer in this tester is existing commercially available prod, and its structure as shown in Figure 2.Among the figure, 1 is that loaded tubes, 2 is that conduit, 3 is that coil retainer, 4 is that release-push, 5 is that the line trap, 6 that is connected to computing machine is that support ring, 7 is that impact body, 8 is that spherical measuring head, 9 is that impact spring, 10 is that loading spring, 11 is that grapple, 12 is that coil, 13 is that permanent magnet, 14 is that testee, shock transducer principle of work are as follows: when carrying out hardness test, the testee surface is impacted by the elastic force of impact spring with the impact body with tungsten carbide measuring head, impact body impacts the back bounce-back.Owing in the impact body permanent magnetic magnet is housed, when impact body passed through coil, its impact and bounce-back all can induce voltage in coil, and this magnitude of voltage is directly proportional with impact and bounce-back speed.The circuit input Computer Processing of these voltage signals that induce by being connected with plug (6), and demonstrate hardness number.
Amplifier adopts international device, and its model is OP07, and D/A also is standard component, and its model is ADC0808 or AD1210, and portable computer adopts daily output HX-20 model. Hardness test scope of the present utility model: the Richter scale value is 300～890(L); The Rockwell value is 20～68(HRC); Brinell figure is 80～650(HB), the utility model is mainly used in the hardness measurement of heavy casting and forging, the hardness measurement of permanent assembling parts, the discriminating of warehouse stuff, the failure analysis of power station equipment, failure analysis of pressure vessel etc., its easy to use, reliable, low price has the preferably market competitiveness.
Claims (2)
1, a kind of hardness-testing device, it includes shock transducer, of the present utility modelly be characterised in that it also includes portable computer, and going back addition on the portable computer has amplifier and D/A, and shock transducer, amplifier, D/A and portable computer are connected together by circuit.
2, qualimeter according to claim 1, the model that it is characterized in that used portable computer is HX-20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88200728 CN88200728U (en) | 1988-01-30 | 1988-01-30 | Hardness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88200728 CN88200728U (en) | 1988-01-30 | 1988-01-30 | Hardness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN88200728U true CN88200728U (en) | 1988-12-14 |
Family
ID=4836095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88200728 Expired - Lifetime CN88200728U (en) | 1988-01-30 | 1988-01-30 | Hardness tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN88200728U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100346088C (en) * | 2006-05-08 | 2007-10-31 | 天津商学院 | Magnetorheological liquid damping type dynamic vibration absorber |
| CN103293073A (en) * | 2013-06-05 | 2013-09-11 | 南通市华海铸造有限公司 | Portable electronic Brinell hardness tester |
| CN107247004A (en) * | 2017-06-12 | 2017-10-13 | 浙江农林大学 | Hardness of wood measuring instrument |
-
1988
- 1988-01-30 CN CN 88200728 patent/CN88200728U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100346088C (en) * | 2006-05-08 | 2007-10-31 | 天津商学院 | Magnetorheological liquid damping type dynamic vibration absorber |
| CN103293073A (en) * | 2013-06-05 | 2013-09-11 | 南通市华海铸造有限公司 | Portable electronic Brinell hardness tester |
| CN107247004A (en) * | 2017-06-12 | 2017-10-13 | 浙江农林大学 | Hardness of wood measuring instrument |
| CN107247004B (en) * | 2017-06-12 | 2019-06-28 | 浙江农林大学 | Hardness of wood measuring instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Applicant after: Haidian District Beijing times electromechanical New Technologies Inc Applicant before: Industry Technology Consultant and Service Co. of China Machine Engineering Acad |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SOCIETY OF MECHANICAL ENGINEERING OF CHINA INDUSTRIAL TECHNOLOGY CONSULTANT SERVICE CORPORATION TO: HAIDIAN DISTRICT, BEIJING CITY SHIDAI NEW ELECTRICAL AND MECHANICAL TECHNOLOGY CO.,LTD. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |