CN2715139Y - Digital display Brinell hardness tester - Google Patents
Digital display Brinell hardness tester Download PDFInfo
- Publication number
- CN2715139Y CN2715139Y CN 200420052902 CN200420052902U CN2715139Y CN 2715139 Y CN2715139 Y CN 2715139Y CN 200420052902 CN200420052902 CN 200420052902 CN 200420052902 U CN200420052902 U CN 200420052902U CN 2715139 Y CN2715139 Y CN 2715139Y
- Authority
- CN
- China
- Prior art keywords
- lever
- digital display
- stepper motor
- fuselage
- pressure head
- 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
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a digital display Brinell hardness tester. A power mechanism connected with the back end of a lever (8) comprises a step motor (4) and a ball screw (6) driven by the step motor (4). One end of the ball screw (6) is connected with the back end of the lever (8), and the other end of the ball screw (6) is connected with the output shaft of the step motor (4) via a shaft coupling (5). First the automatic measurement and digital display of the Brinell hardness of metallic material is realized via a motor driver, a singlechip, a crease depth measuring device and a pressure sensor; secondly, step motor is matched with the ball screw for driving a press head to lift via the lever, and operation is stable and precise; thirdly, resolution is high, and 0. 1 H B W Brinell hardness unit is realized.
Description
Technical field the utility model relates to a kind of device that is used for measuring metallic materials hardness, specifically, is a kind of digital display Brinell tester.
The existing Brinell tester of background technology is pure physical construction, adopts counterweight counterweight dynamometry, and not only structure heaviness, and measuring error is big, and precision is not enough.On the other hand, need carry out manual measurement, complex operation, inefficiency to impression.
Utility model content the purpose of this utility model is to overcome the deficiency of above-mentioned existing like product, and a kind of digital display Brinell tester of new structure is provided, and realizes automatic measurement, the demonstration of Brinell hardness.
The purpose of this utility model can reach by following measure:
A kind of digital display Brinell tester, comprise fuselage, be fixed on the self-powered platform on the fuselage, the lever of worktable top, and the pressure head and the actuating unit that is connected lever rear end that are connected the lever front end by the pressure head handle, its special feature is: the actuating unit that is connected lever rear end comprises stepper motor and stepper motor driven ball-screw, and ball-screw one end is connected with lever rear end, and the other end is connected with the output shaft of stepper motor by shaft coupling.
On fuselage, be installed with stepper motor driver, single-chip microcomputer, the depth of cup measurement mechanism connects by signal wire between single-chip microcomputer and the depth of cup measurement mechanism, connects by the driver signal line between motor driver and the single-chip microcomputer.
Between pressure head handle and pressure head, pressure transducer is installed.
Offer viewing area and control area in fuselage one side.
The utlity model has following characteristics: (1), realized automatic measurement, the digital display of the Brinell hardness of metal material by motor driver, single-chip microcomputer, depth of cup measurement mechanism and pressure transducer; (2), stepper motor cooperation ball-screw passes through the lifting of lever actuated pressure head, stable working, accurate.(3), the resolution height, realize 0.1HBW Brinell hardness unit.
Description of drawings Fig. 1 is a structural representation of the present utility model.
Fig. 2 is that synoptic diagram is looked on the right side of the present utility model.
Embodiment as shown in Figure 1, 2, the utility model comprises fuselage 19, be fixed on the liftable worktable 18 on the fuselage 19, the lever 8 of worktable 18 tops, and the pressure head 16 and the actuating unit that is connected lever 8 rear ends that are connected lever 8 front ends by the pressure head handle.The power of described actuating unit is from stepper motor 4, and stepper motor 4 is connected with ball-screw 6 by shaft coupling 5, and drives the 8 rear end liftings of ball-screw 6 drive levers.The stepper motor that stepper motor 4 can select for use SANYO GS to produce.
Stepper motor driver 1 and all be fixed on the power panel for it provides the transformer 2 of low-tension supply, power panel then is fixed on fuselage 19 1 sides.Connect by power supply for step-by-step motor line 3 between stepper motor 4 and the stepper motor driver 1.
Also be installed with single-chip microcomputer 14 on fuselage 19, depth of cup measurement mechanism 11 connects by signal wire 12 between single-chip microcomputer 14 and the depth of cup measurement mechanism 11, connects by driver signal line 17 between motor driver 1 and the single-chip microcomputer 14.Offer viewing area 20 and control area 21 in fuselage 19 1 sides.Depth of cup measurement mechanism 11 can be selected 0.1 micron depth of cup measurement mechanism for use.
Between pressure head handle and pressure head 16 pressure transducer 15 is installed, the spring leaf fixed head 7 that is fixed in equally on the fuselage 19 is fixed in pressure transducer 15 on the pressure head handle by spring leaf 9.Pressure transducer 15 can be the radial force cell.
During the utility model work, single-chip microcomputer 14 sends pulse signal to stepper motor driver 1, and the latter is that drive stepping motor 4 is rotated, and drives lever 8 rear end liftings.Lever 8 is a fulcrum with fulcrum roller 10, and front end drives 13 liftings of power transmission bearing, further drives pressure transducer 15 and pressure head 16 liftings.
Claims (4)
1, a kind of digital display Brinell tester, comprise fuselage (19), be fixed on the self-powered platform (18) on the fuselage (19), the lever (8) of worktable (18) top, and be connected the pressure head (16) of lever (8) front end and be connected the actuating unit of lever (8) rear end by the pressure head handle, it is characterized in that: the actuating unit that is connected lever (8) rear end comprises the ball-screw (6) that stepper motor (4) and stepper motor (4) drive, ball-screw (6) one ends are connected with lever (8) rear end, and the other end is connected with the output shaft of stepper motor (4) by shaft coupling (5).
2, digital display Brinell tester as claimed in claim 1, it is characterized in that: on fuselage (19), be installed with stepper motor driver (1), single-chip microcomputer (14), depth of cup measurement mechanism (11), connect by signal wire (12) between single-chip microcomputer (14) and the depth of cup measurement mechanism (11), connect by driver signal line (17) between motor driver (1) and the single-chip microcomputer (14).
3, digital display Brinell tester as claimed in claim 2 is characterized in that: between pressure head handle and pressure head (16) pressure transducer (15) is installed.
4, digital display Brinell tester as claimed in claim 3 is characterized in that: offer viewing area (20) and control area (21) in fuselage (19) one sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420052902 CN2715139Y (en) | 2004-08-05 | 2004-08-05 | Digital display Brinell hardness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420052902 CN2715139Y (en) | 2004-08-05 | 2004-08-05 | Digital display Brinell hardness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2715139Y true CN2715139Y (en) | 2005-08-03 |
Family
ID=34872796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420052902 Expired - Fee Related CN2715139Y (en) | 2004-08-05 | 2004-08-05 | Digital display Brinell hardness tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2715139Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660988B (en) * | 2009-09-25 | 2011-06-08 | 上海大学 | Portable on-site Brinell hardness tester |
| CN103528903A (en) * | 2013-09-17 | 2014-01-22 | 上海交通大学 | Automatic detection and screening device for hardness of bolt fastening piece |
| CN104198312A (en) * | 2014-07-22 | 2014-12-10 | 安徽金星预应力工程技术有限公司 | Tooling for measuring hardness of clamping piece |
| CN105115842A (en) * | 2015-09-21 | 2015-12-02 | 沈阳天星试验仪器有限公司 | Differential screw hardness measuring device |
| CN109323942A (en) * | 2018-10-15 | 2019-02-12 | 浙江染化宝检测服务有限公司 | A kind of leather hardness tester |
-
2004
- 2004-08-05 CN CN 200420052902 patent/CN2715139Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660988B (en) * | 2009-09-25 | 2011-06-08 | 上海大学 | Portable on-site Brinell hardness tester |
| CN103528903A (en) * | 2013-09-17 | 2014-01-22 | 上海交通大学 | Automatic detection and screening device for hardness of bolt fastening piece |
| CN103528903B (en) * | 2013-09-17 | 2015-08-19 | 上海交通大学 | Bolt fastener hardness detects and screening plant automatically |
| CN104198312A (en) * | 2014-07-22 | 2014-12-10 | 安徽金星预应力工程技术有限公司 | Tooling for measuring hardness of clamping piece |
| CN105115842A (en) * | 2015-09-21 | 2015-12-02 | 沈阳天星试验仪器有限公司 | Differential screw hardness measuring device |
| CN105115842B (en) * | 2015-09-21 | 2018-06-08 | 沈阳天星试验仪器有限公司 | Differential screw hardness measuring device |
| CN109323942A (en) * | 2018-10-15 | 2019-02-12 | 浙江染化宝检测服务有限公司 | A kind of leather hardness tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |