CN2901293Y - Portable Rockwell hardness tester - Google Patents
Portable Rockwell hardness tester Download PDFInfo
- Publication number
- CN2901293Y CN2901293Y CN 200620091241 CN200620091241U CN2901293Y CN 2901293 Y CN2901293 Y CN 2901293Y CN 200620091241 CN200620091241 CN 200620091241 CN 200620091241 U CN200620091241 U CN 200620091241U CN 2901293 Y CN2901293 Y CN 2901293Y
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- CN
- China
- Prior art keywords
- anvil block
- rockwell hardness
- shaped elastic
- elastic frame
- hardness
- 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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Abstract
The utility model involves a test facility of hardness measurement for metallic surface, a portable Rockwell hardness tester convenient to carry. The utility model is characterized in that the U-shaped elastic frame is fixed with force value indicating mechanism and handgrip, one end of opening of U-shaped elastic frame is fixed with micrometer screw mechanism, sleeve and hand wheel to compose loading and depth mechanism of testing force, the micrometer screw mechanism comprises micrometer nut, micrometer screw and hardness indicating drum installed on the sleeve, magnifier which is located upper the hardness indicating drum and hardness indicating drum comprise hardness value reading mechanism, the other end of the opening of the U-shaped elastic frame is provided with anvil block for supporting unit under test. The utility model has advantages of light weight, convenient carrying, simple operation, without conversion, no requirement of vertical loading. And the utility model is applicable for measuring the Rockwell hardness and superficial Rockwell hardness of big or fixed work which is inconvenient to move.
Description
Affiliated technical field:
The utility model relates to a kind of test unit that hardness test is carried out in the metal surface, is a kind of portable Rockwell hardness tester that is easy to carry about with one.
Background technology:
At present, generally the metal material Rockwell hardometer of Shi Yonging mostly is desk-top instrument, and volume and weight is bigger, and inconvenience is moved, can only be in the laboratory or the fixed position in workshop use, therefore can not test more greatly, heavy, can't arbitrarily move the measured piece that maybe can not carry out the loading of vertical test power.Though existing some portable hardometer can provide Rockwell hardness number, all be to convert by other hardness test values, be not to record according to the Rockwell hardness test method is actual, be inaccurate therefore, only can be as a reference.
The utility model content:
In order to address the above problem, the utility model provides a kind of can being used for that big workpiece or fixation workpiece are carried out portable Rockwell hardness tester on-the-spot test, that be easy to carry about with one, and this sclerometer is to carry out hardness test according to the definition of metal material Rockwell hardness test method fully.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of portable Rockwell hardness tester is characterized in that: fixing strong value indicating mechanism and handle on the U-shaped elastic frame; One end of U-shaped elastic frame opening is fixed with the test power of being made up of spiral micrometer mechanism, sleeve and handwheel and loads and depth measurement mechanism; The spiral micrometer mechanism is by micrometer nut, micrometric screw and be contained in that hardness number indication drum on the sleeve forms; Magnifier is positioned at hardness number indication drum top and hardness number indication drum is formed the hardness number reading mechanism; The other end of U-shaped elastic frame opening is equipped with the anvil block that is used to support measured piece.
Described power value indicating mechanism is made up of lever that is provided with on the U-shaped elastic frame and power value indicating gauge, and an end of lever is fixed on the U-shaped elastic frame, and the other end contacts with the measuring staff of power value indicating gauge.When the U-shaped elastic frame is subjected to test power generation distortion, lever will be out of shape the displacement that produces and be delivered on the power value indicating gauge, and this power value indicating gauge carried out calibration according to displacement and power relation.
One end of described micrometric screw is a male cone (strobilus masculinus), and the inner conical surface by a locking cap and sleeve compresses; Locking cap and micrometric screw are for being threaded; Push rod is housed in the micrometric screw, and push rod one end and penetrator are by being threaded, and the other end contacts with locking cap endoporus bottom by ball.
Described hardness number indication drum is fixed on the groove of sleeve by jackscrew spring and steel ball, hardness number indication drum is provided with groove, this groove is the regulation according to Rockwell hardness test, and the angle that the axial displacement of micrometric screw and drum are rotated is corresponding one by one delineates.
Described sclerometer also is provided with extension bar, and extension bar is connected with anvil block.
Described anvil block is flat anvil seat, v shape anvil block, recessed cylinder anvil block, projection face anvil block, point type anvil block or adamas anvil block.
Described pressure head is diamond penetrator, ball indenter or sintered carbide ball pressure head.
Described sclerometer also is provided with supporting base, is provided with the protective sleeve of sclerometer handle in the supporting base.
The utility model has the advantages that in light weight, be easy to carry, simple to operate, accuracy is higher, need not to convert, do not require vertical loading, can directly carry out hardness test according to the definition of Rockwell hardness test method, can be easily under the condition that guarantees certain accuracy to greatly, be difficult for moving, measured piece that relative fixed maybe can not be carried out vertical loading carries out the on-the-spot test of Rockwell's hardness.Can adjust scleroscopic openings of sizes by the extension bar that connects different length; By the U-shaped elastic frame of design different size, can fit the needs of the measured piece that satisfies different size.By changing different pressure heads and applying different test power, can carry out the hardness test of totally 15 Rockwells or surface rockwell hardness scale respectively, can test various sheet metals, tube, rod section, band, wire material and various workpiece.
Accompanying drawing is said friend:
Fig. 1 is the utility model portable Rockwell hardness tester structural representation;
Fig. 2 is the A-A cut-open view of Fig. 1;
Among the figure: 1, U-shaped elastic frame; 2, lever; 3, extension bar; 4, measured piece; 5, pressure head; 6, magnifier; 7, drum; 8, handwheel; 9, set nut; 10, power value indicating gauge; 11, handle; 12, anvil block; 13, micrometer nut; 14, push rod; 15, micrometric screw; 16, packing ring; 17, ball; 18, screw; 19, steel ball; 20, spring; 21, jackscrew; 22, sleeve.
Describe the utility model in detail below in conjunction with drawings and Examples.
Embodiment:
As shown in Figure 1 and Figure 2, the fixing strong indicating mechanism that is worth on U-shaped elastic frame 1, this power value indicating mechanism is made up of the lever 2 and the power value indicating gauge 10 that are welded on the U-shaped elastic frame 1, and an end of lever 2 is fixed on the U-shaped elastic frame, and the other end contacts with the measuring staff of power value indicating gauge 10.U-shaped elastic frame 1 is calibrated metal framework, when U-shaped elastic frame 1 is subjected to test power generation slight deformation, lever 2 will be out of shape the displacement amplification that produces and be delivered on the power value indicating gauge 10, the value of exerting all one's strength indicating gauge 10 pointers rotate, and the index dial of this power value indicating gauge 10 is to carry out calibration and groove according to the relation of displacement and power.Be fixed with spiral micrometer and test power load maintainer at an end of U-shaped elastic frame 1 opening, this mechanism is made of micrometer nut 13, micrometric screw 15, sleeve 22, handwheel 8, set nut 9 and the drum 7 that is contained on the sleeve 22; Sleeve 22 is connected for interference fit with handwheel 8; One end of micrometric screw 15 is a male cone (strobilus masculinus), compresses by the inner conical surface of set nut 9 with sleeve 22; Set nut 9 and micrometric screw 15 are for being threaded; Push rod 14 is housed in the micrometric screw 15, and push rod 14 1 ends and penetrator 5 are by being threaded, and the other end contacts bottom set nut 9 endoporus by ball 17.The sleeve 22 outer hardness number indication drums 7 that are equipped with, it is fixed on the groove of sleeve 22 by jackscrew 21, spring 20 and steel ball 19, the groove of drum 7 is the regulations according to Rockwell hardness test, and the angle that the axial displacement of micrometric screw 15 and drum 7 are rotated is corresponding one by one delineates.Magnifier 6 is fixed on the U-shaped elastic frame 1, and it is positioned at drum 7 tops and drum 7 is formed the hardness number reading mechanism.The other end at U-shaped elastic frame 1 opening is equipped with anvil block 12, is used to support measured piece 4.Handle 11 is fixed on the U-shaped elastic frame 1 to be convenient to hand.
When carrying out hardness test, measured piece 4 is placed the opening part of U-shaped elastic frame 1,10 zeroings of power value indicating gauge.Rotate handwheel 8, the worm drive by micrometer nut 13 and micrometric screw 15 drive penetrator 5 and move, and make pressure head 5 withstand measured piece 4.U-shaped elastic frame 1 because stressed can the distortion in generation, this distortion is through lever 2 amplifications and pass to power value indicating gauge 10, the value of exerting all one's strength indicating gauge 10 pointers rotate, when the first test power of pointed position, stir drum 7, make its indication full scale position, be rotated further handwheel 8, load master trip power, the value of exerting all one's strength indicating gauge 10 points to master trip power position, backward rotation handwheel 8, unloading master trip power, the value of exerting all one's strength indicating gauge 10 pointers come back to test power position just, have so far just finished rockwell hardness testing one time.At this moment, pressure head 5 can stay next remaining depth of cup on measured piece 4 surfaces, and this degree of depth is read via magnifier 6 by the drum on the sleeve 22 7.The scale of drum 7 is to delineate according to the definition of Rockwell hardness test, i.e. whenever mobile 0.002mm of pressure head (Rockwell's hardness) or 0.001mm (surperficial Rockwell), and the angle that drum turns over is 1 Rockwell's hardness unit.
The extension bar 3 that the utility model can design different length is connected with anvil block 12, adjusts the openings of sizes of sclerometer U-shaped elastic frame 1, to satisfy the needs of measuring small size workpiece.
Anvil block of the present utility model can be designed to multiple shape, as: the flat anvil seat is used for the parallel sample of test surfaces; V shape anvil block is used for the test cylinder sample; Recessed cylinder anvil block is used to test the concave curved surface plate tensile sample; Projection face anvil block is used to test protruding curved surface or major diameter tubing; The point type anvil block is used for the test sheets sample; The adamas anvil block is used to test the thinner sample in soft metal.
Embodiment 4
The utility model can also be provided with supporting base, is made by solid cast, is provided with the protective sleeve of sclerometer handle in it.Supporting base is sclerometer and make it keep suitable angle fixedly, is convenient to test.
Claims (8)
1. a portable Rockwell hardness tester is characterized in that: fixing strong value indicating mechanism and handle on the U-shaped elastic frame; One end of U-shaped elastic frame opening is fixed with the test power of being made up of spiral micrometer mechanism, sleeve and handwheel and loads and depth measurement mechanism; The spiral micrometer mechanism is made up of micrometer nut, micrometric screw and the hardness number indication drum that is contained on the sleeve; Magnifier is positioned at hardness number indication drum top and hardness number indication drum is formed the hardness number reading mechanism; The other end of U-shaped elastic frame opening is equipped with the anvil block that is used to support measured piece.
2. portable Rockwell hardness tester according to claim 1, it is characterized in that: described power value indicating mechanism is made up of lever that is provided with on the U-shaped elastic frame and power value indicating gauge, one end of lever is fixed on the U-shaped elastic frame, and the other end contacts with the measuring staff of power value indicating gauge.
3. portable Rockwell hardness tester according to claim 1 is characterized in that: an end of described micrometric screw is a male cone (strobilus masculinus), and the inner conical surface by locking cap and sleeve compresses; Locking cap and micrometric screw are for being threaded; Push rod is housed in the micrometric screw, and push rod one end and penetrator are with being threaded, and the other end contacts with locking cap endoporus bottom by ball.
4. portable Rockwell hardness tester according to claim 1 is characterized in that: described hardness number indication drum is fixed on the groove of sleeve by jackscrew spring and steel ball.
5. portable Rockwell hardness tester according to claim 1 is characterized in that: this sclerometer also is provided with extension bar, and extension bar is connected with anvil block.
6. portable Rockwell hardness tester according to claim 1 is characterized in that: described anvil block is flat anvil seat, v shape anvil block, recessed cylinder anvil block, projection face anvil block, point type anvil block or adamas anvil block.
7. portable Rockwell hardness tester according to claim 3 is characterized in that: described pressure head is diamond penetrator, ball indenter or sintered carbide ball pressure head.
8. portable Rockwell hardness tester according to claim 1 is characterized in that: this sclerometer also is provided with supporting base, is provided with the protective sleeve of sclerometer handle in the supporting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620091241 CN2901293Y (en) | 2006-05-31 | 2006-05-31 | Portable Rockwell hardness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620091241 CN2901293Y (en) | 2006-05-31 | 2006-05-31 | Portable Rockwell hardness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2901293Y true CN2901293Y (en) | 2007-05-16 |
Family
ID=38085457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620091241 Expired - Fee Related CN2901293Y (en) | 2006-05-31 | 2006-05-31 | Portable Rockwell hardness tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2901293Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234847A (en) * | 2013-04-03 | 2013-08-07 | 北京汽车股份有限公司 | Portable outside automobile door panel dent resistance testing apparatus |
| CN105699227A (en) * | 2016-02-18 | 2016-06-22 | 苏州莱测检测科技有限公司 | Portable hardness meter |
| CN106198272A (en) * | 2016-08-08 | 2016-12-07 | 浙江坤博机械制造有限公司 | A kind of portable die hardness detecting instrument |
| CN106610361A (en) * | 2016-12-14 | 2017-05-03 | 王昌益 | Material hardness unification and comparison research method and hardmeter |
| CN111272593A (en) * | 2020-03-31 | 2020-06-12 | 国网福建省电力有限公司电力科学研究院 | C-shaped loading device applied to portable Rockwell hardness tester |
-
2006
- 2006-05-31 CN CN 200620091241 patent/CN2901293Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234847A (en) * | 2013-04-03 | 2013-08-07 | 北京汽车股份有限公司 | Portable outside automobile door panel dent resistance testing apparatus |
| CN103234847B (en) * | 2013-04-03 | 2015-07-15 | 北京汽车研究总院有限公司 | Portable outside automobile door panel dent resistance testing apparatus |
| CN105699227A (en) * | 2016-02-18 | 2016-06-22 | 苏州莱测检测科技有限公司 | Portable hardness meter |
| CN106198272A (en) * | 2016-08-08 | 2016-12-07 | 浙江坤博机械制造有限公司 | A kind of portable die hardness detecting instrument |
| CN106610361A (en) * | 2016-12-14 | 2017-05-03 | 王昌益 | Material hardness unification and comparison research method and hardmeter |
| CN111272593A (en) * | 2020-03-31 | 2020-06-12 | 国网福建省电力有限公司电力科学研究院 | C-shaped loading device applied to portable Rockwell hardness tester |
| CN111272593B (en) * | 2020-03-31 | 2023-09-19 | 国网福建省电力有限公司电力科学研究院 | C-shaped loading device applied to portable Rockwell hardness tester |
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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: 20070516 Termination date: 20110531 |