CN210321474U - High-precision extensometer calibration instrument - Google Patents
High-precision extensometer calibration instrument Download PDFInfo
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- CN210321474U CN210321474U CN201920120556.2U CN201920120556U CN210321474U CN 210321474 U CN210321474 U CN 210321474U CN 201920120556 U CN201920120556 U CN 201920120556U CN 210321474 U CN210321474 U CN 210321474U
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- clamping seat
- micrometer
- grating
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Abstract
The utility model discloses a high accuracy extensometer calibration appearance comprises base (1), fixing base (2), last spacing baffle (3), differential headstock (4), linear guide slider (14), micrometer head (16), grating ten thousand minutes table (17), butterfly handle screw (18), displacement switching piece (5), ten thousand minutes table grip slipper (6), lower grip slipper (7), lower fixed head (8), lower centering rod (9), go up grip slipper (10), go up fixed head (11), go up centering rod (12). The extensometer has high calibration precision, high efficiency and low cost, and the calibration reading value can be conveniently and quickly read by using a displayable precise digital measuring instrument.
Description
Technical Field
The utility model relates to a high accuracy extensometer calibration instrument is used for specially to the demarcation of all kinds of extensometers, also extensively is used for displacement sensor's examination and the high accuracy examination of corresponding percentage table, amesdial.
Background
The GWB-200JA extensometer calibrator which is mainstream in the market at present is a pure mechanical high-precision displacement measuring instrument, and the precision reaches 0.2um, but the precision can not meet the resolution requirements of some customers, and the precision needs to be further improved. Still another is the measurement calibration device of japan sanfeng, but the price is expensive.
The traditional calibrator consists of a precise differential measuring head and a measuring support, is in a building block type structural design, can conveniently measure and calibrate extensometers with various specifications and models, but has the precision of only 0.2um and higher price of the whole extensometer calibrator.
The traditional extensometer calibrator is not limited from top to bottom, and the fixture for fixing the copper rod has deviation when calibrating, needs manual correction, and has low efficiency and low accuracy.
Disclosure of Invention
The problem that the precision is low, mark efficiency slow, with large costs for solving traditional extensometer calibration instrument, the utility model provides a but mark high accuracy extensometer calibration instrument that the precision is high, mark speed is very fast, but the lower digital display of cost shows.
For solving the shortcoming and not enough among the prior art, the utility model discloses a technical scheme be: a high-precision extensometer calibrator comprises a base (1), a fixed seat (2), an upper limiting baffle (3), a differential headstock (4), a linear guide rail slide block (14), a spiral micrometer head (16), a grating universal meter (17), a butterfly handle screw (18), a displacement switching block (5), a universal meter clamping seat (6), a lower clamping seat (7), a lower fixed head (8), a lower centering rod (9), an upper clamping seat (10), an upper fixed head (11) and an upper centering rod (12), wherein the fixed seat (2) is connected with the base (1), the spiral micrometer head (16) is connected with the differential headstock (4), the grating universal meter (17) is connected with the universal meter clamping seat (6), the upper centering rod (12) is connected with the upper clamping seat (10) and the upper fixed head (11), the lower centering rod (9) is connected with the lower clamping seat (7) and the lower fixed head (8), the grating ten-thousandth micrometer telescopic link is propped against the displacement switching block (5), the grating ten-thousandth micrometer (17) is fixed on a ten-thousandth micrometer clamping seat (6), an upper fixing head (11) is fixed on an upper clamping seat (10), an upper centering rod (9) is fixed on the upper fixing head (11), a lower fixing head (8) is fixed on a lower clamping seat (7), the lower centering rod (9) is fixed on the lower fixing head (8), when the spiral micrometer head (16) is adjusted, the grating ten-thousandth micrometer telescopic link also directly follows up, and the precision of the grating ten-thousandth micrometer (17) reaches 0.1 um.
Compared with the prior art, the beneficial effects of the utility model are that:
1. a high-precision BSC030-3 grating ten-thousandth meter is adopted, and the precision can reach 0.1 um;
2. a spiral thousands of heads with the measuring range of 25mm are adopted, and the precision can reach 1 um;
3. without need of precise differential probe
4. The mode of linear guide rail and slide block is adopted, and the design that the platform has the groove, parallel movement guarantees that two centering rods are coaxial.
5. The appearance is meticulous pleasing to the eye, and the occupation space is less, and spare part installation is changed very conveniently.
6. The efficiency is improved by directly displaying the digital codes through the grating ten-thousandth meter without manual reading.
7. The device is suitable for extensometers with different gauge lengths, and the gauge lengths of the extensometers are different from 50-500 mm.
Drawings
Fig. 1 is a schematic structural diagram of a high-precision extensometer calibrator. Reference numbers in the drawings: 1-base, 2-fixing base, 3-upper limiting baffle, 4-differential head base, 5-displacement transfer block, 6-universal meter clamping base, 7-lower clamping base, 8-lower fixing head, 9-lower centering rod, 10-upper clamping base, 11-upper fixing head, 12-upper centering rod, 13-linear guide rail, 14-linear guide rail sliding block, 16-spiral micrometer head, 17-grating universal meter and 18-butterfly handle screw.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
A high-precision extensometer calibrator mainly comprises a base (1), a fixed seat (2), an upper limiting baffle (3), a differential head seat (4), a linear guide rail slider (14), a spiral micrometer head (16), a grating universal meter (17), a butterfly handle screw (18), a displacement switching block (5), a universal meter clamping seat (6), a lower clamping seat (7), a lower fixing head (8), a lower centering rod (9), an upper clamping seat (10), an upper fixing head (11) and an upper centering rod (12). The fixed seat (2) is connected with the base (1), the spiral micrometer head (16) is connected with the micrometer head seat (4), the grating micrometer (17) is connected with the micrometer head seat (6), the upper centering rod (12) is connected with the upper clamping seat (10) and the upper fixing head (11), and the lower centering rod (9) is connected with the lower clamping seat (7) and the lower fixing head (8). The differential headstock (4), the ten-thousandth micrometer clamping seat (6) and the upper clamping seat (10) are fixed on the fixed seat (2), the grating ten-thousandth micrometer telescopic rod is abutted against the displacement switching block (5), the grating ten-thousandth micrometer (17) is fixed on the ten-thousandth micrometer clamping seat (6), the upper fixing head (11) is fixed on the upper clamping seat (10), the upper centering rod (12) is fixed on the upper fixing head (11), the lower fixing head (8) is fixed on the lower clamping seat (7), and the lower centering rod (9) is fixed on the lower fixing head (8). When the screw micrometer head (16) is adjusted, the telescopic rod of the grating ten-thousandth meter also directly follows up.
The above description is only an example of the present invention, and is not intended to limit the scope of the present invention. The same principles are included in the patent protection scope of the present invention, where the contents of the present specification and the accompanying drawings are used as equivalent structures or equivalent processes, or are directly or indirectly applied to other related technical fields.
Claims (2)
1. A high-precision extensometer calibrator comprises a base (1), a fixed seat (2), an upper limiting baffle (3), a differential headstock (4), a linear guide rail slide block (14), a spiral micrometer head (16), a grating universal meter (17), a butterfly handle screw (18), a displacement switching block (5), a universal meter clamping seat (6), a lower clamping seat (7), a lower fixed head (8), a lower centering rod (9), an upper clamping seat (10), an upper fixed head (11) and an upper centering rod (12), wherein the fixed seat (2) is connected with the base (1), the spiral micrometer head (16) is connected with the differential headstock (4), the grating universal meter (17) is connected with the universal meter clamping seat (6), the upper centering rod (12) is connected with the upper clamping seat (10) and the upper fixed head (11), the lower centering rod (9) is connected with the lower clamping seat (7) and the lower fixed head (8), the grating ten-thousandth micrometer telescopic link is propped against the displacement switching block (5), the grating ten-thousandth micrometer (17) is fixed on a ten-thousandth micrometer clamping seat (6), an upper fixing head (11) is fixed on an upper clamping seat (10), an upper centering rod (12) is fixed on the upper fixing head (11), a lower fixing head (8) is fixed on a lower clamping seat (7), a lower centering rod (9) is fixed on the lower fixing head (8), when the spiral micrometer head (16) is adjusted, the grating ten-thousandth micrometer telescopic link also directly follows up, and the precision of the grating ten-thousandth micrometer (17) reaches 0.1 um.
2. A high precision extensometer calibrator as claimed in claim 1, wherein: the micrometer rod is connected with the displacement transfer block (5) in a propping manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920120556.2U CN210321474U (en) | 2019-01-21 | 2019-01-21 | High-precision extensometer calibration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920120556.2U CN210321474U (en) | 2019-01-21 | 2019-01-21 | High-precision extensometer calibration instrument |
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| Publication Number | Publication Date |
|---|---|
| CN210321474U true CN210321474U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920120556.2U Active CN210321474U (en) | 2019-01-21 | 2019-01-21 | High-precision extensometer calibration instrument |
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| CN (1) | CN210321474U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033320A (en) * | 2020-09-28 | 2020-12-04 | 杭州鑫高科技有限公司 | Full-automatic high-precision extensometer calibration instrument |
| CN114674275A (en) * | 2020-12-24 | 2022-06-28 | 北京东方计量测试研究所 | Calibration device and method for high-low temperature extensometer |
-
2019
- 2019-01-21 CN CN201920120556.2U patent/CN210321474U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033320A (en) * | 2020-09-28 | 2020-12-04 | 杭州鑫高科技有限公司 | Full-automatic high-precision extensometer calibration instrument |
| CN112033320B (en) * | 2020-09-28 | 2021-12-28 | 杭州鑫高科技有限公司 | Full-automatic high-precision extensometer calibration instrument |
| CN114674275A (en) * | 2020-12-24 | 2022-06-28 | 北京东方计量测试研究所 | Calibration device and method for high-low temperature extensometer |
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