CN101556229B - Spring plate rigidity precision testing instrument - Google Patents
Spring plate rigidity precision testing instrument Download PDFInfo
- Publication number
- CN101556229B CN101556229B CN2008100417669A CN200810041766A CN101556229B CN 101556229 B CN101556229 B CN 101556229B CN 2008100417669 A CN2008100417669 A CN 2008100417669A CN 200810041766 A CN200810041766 A CN 200810041766A CN 101556229 B CN101556229 B CN 101556229B
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- Prior art keywords
- spring plate
- lever
- rigidity
- testing instrument
- electronic balance
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Abstract
The invention discloses a spring plate rigidity precision testing instrument which measures the rigidity of a spring plate on an electronic balance. The same kinds of spring plates on the same electronic balance have to possess the same rigidity. The rigidity of the prior spring plate is difficult to precisely measure due to the lack of a precision testing instrument, therefore, the accuracy and the stability of the electronic balance are affected. The lower part of the spring plate (2) to be measured is provided with a stress application rod (3); one end of a lever (4) acts on the stress application rod (3), and the other end is connected with a weight (6); an eccenter (5) is arranged close to the weight (6); and the upper part of the spring plate (2) to be measured is connected with a non-contact type displacement sensor (7) and a digital displayer (8). A weight rack (9) is arranged on the lever (4), and the middle part of the lever (4) is provided with a lever support (10). The invention has the advantages that the rigidity of the spring plate is accurately measured, the accuracy and the stability of the electronic balance can be ensured, and the spring plate rigidity precision testing instrument has convenient operation, simple structure, small volume and low cost.
Description
Technical field
The present invention relates to a kind of surveying instrument, a kind of specifically spring plate rigidity precision testing instrument of measuring the electronic balance spring plate rigidity.
Background technology
In electronic balance, each all has surplus several different spring leafs 10.For degree of accuracy and the stability that guarantees balance, be contained in the same a kind of spring leaf on same the balance, rigidity must be identical, and just " power-deflection " performance must be identical.Owing to do not measure the spring plate rigidity precision testing instrument of electronic balance spring plate rigidity in the prior art, thus the accurate rigidity of measuring spring sheet, thereby influenced the degree of accuracy and the stability of electronic balance.Electronic balance all has a wide range of applications in each technical field, and especially for scientific research, the degree of accuracy of electronic balance and stability directly affect the accurate of scientific research result; Directly affect technical progress.Through extensively consulting and retrieve domestic and international public publication and patent document, there is no the report of the spring plate rigidity precision testing instrument of accurate measurement electronic balance spring plate rigidity.So it is very necessary inventing a kind of spring plate rigidity precision testing instrument of accurate measurement electronic balance spring plate rigidity.
Summary of the invention
The objective of the invention is for a kind of spring plate rigidity precision testing instrument of accurate measurement electronic balance spring plate rigidity is provided.
The object of the present invention is achieved like this:
A kind of precision spring sheet rigidity testing instrument is made up of clamp device, tested spring leaf, and boosting-rod is arranged at the bottom of tested spring leaf; One end of lever acts on boosting-rod, and the other end is connected with counterweight, near the counterweight place eccentric wheel is arranged; Tested spring leaf top links to each other with digital indicator with non-contact displacement transducer.
The counterweight frame is arranged on lever.
There is lever dolly at middle part at lever.
Main points of the present invention are: tested spring leaf, be pressed in the clamp device, and do not adding under the situation of test force, in digital wash, read its original position numerical value, and record.Rotate the eccentric wheel counterweight by lever, boosting-rod is carried out reinforcing.Boosting-rod is used for spring leaf with masterpiece, makes spring leaf distortion, reads the position numerical value after its distortion in digital wash.It is for the numerical difference between in original position, is the deflection of tested spring leaf under fixing hron spacing, fixing counterweight weight, fixing lever ratio situation.Selection is loaded on the balance with the identical spring leaf of deflection numerical value in a kind of spring leaf, and this has just guaranteed that the same a kind of spring plate rigidity on the balance is identical.
Effect of the present invention is remarkable, and the important indicator " linearity " in the electronic balance (particularly analytical balance) is an insoluble technical matters in producing (linearity).Existing technology is produced 10 electronic analytical balances and is had only 3 left and right sides qualified, qualification rate 30%.Use tester of the present invention, after spring plate rigidity is tested, assemble with the way of classification row choosing, product percent of pass has brought up to 70%～80%, has increased about 30%.
The present invention is ingenious at the lever technology, solved the technical barrier that people thirst for the accurate measurement electronic balance spring plate rigidity that solves for a long time; The degree of accuracy and the stability of electronic balance have been improved; Be important breakthrough, filled up the technological gap of accurate measurement electronic balance spring plate rigidity the electronic balance technology.The present invention has important facilitation to each technical field of scientific research and applying electronic balance, be one and solve that people thirst for solving for a long time and the invention of the technical barrier of insoluble accurate measurement electronic balance spring plate rigidity, so the present invention has substantive technical characterstic.
The present invention has the following advantages: 1. the spring plate rigidity test accurately can be guaranteed the degree of accuracy and the stability of electronic balance.2. rigidity test is easy and simple to handle.3. testing tool is simple in structure, volume is little, cost is low.
Description of drawings
Fig. 1 is a spring plate rigidity precision testing instrument schematic diagram of the present invention.1 is clamp device among the figure, and 2 is tested spring leaf, and 3 is boosting-rod, and 4 is lever, and 5 is eccentric wheel, and 6 is counterweight, and 7 is non-contact displacement transducer, and 8 is digital indicator, and 9 is the counterweight frame, and 10 is lever dolly.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing.
Precision spring sheet rigidity testing instrument, the clamped device of tested spring leaf (2) (1) clamps.The top of tested spring leaf (2) is provided with non-contact displacement transducer (7) and digital indicator (8).In the bottom of tested spring leaf (2) boosting-rod (3) is arranged; Boosting-rod (3) links to each other with an end of lever (4).The other end of lever (4) is provided with counterweight frame (9), and counterweight frame (9) is used for device counterweight (6).Located eccentric wheel (5) at lever (4) near counterweight (6), there is lever dolly (10) at the middle part of lever (4).The present invention is easy to use: with tested spring leaf (2), be pressed in the clamp device (1), do not adding under the situation of test force, read its original position numerical value and record from digital indicator (8).Rotate eccentric wheel (5) and make lever (4), boosting-rod (3) is carried out reinforcing by counterweight (6).Boosting-rod (3) is used for tested spring leaf (2) with masterpiece, makes tested spring leaf (2) distortion.In digital indicator (8), read its distortion after position numerical value.It is tested spring leaf (2) in fixing hron spacing for the numerical difference between in original position; Fixing counterweight weight; Deflection under the fixing lever ratio situation.Selection is loaded on the balance with the identical spring leaf of deflection numerical value in a kind of spring leaf.This has just guaranteed that the same a kind of spring plate rigidity on the balance is identical.
Be the preferred embodiments of the present invention only below, be not limited to the present invention.For a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. precision spring sheet rigidity testing instrument, wherein, the clamped device of tested spring leaf (2) (1) clamps, and the top of tested spring leaf (2) is provided with non-contact displacement transducer (7) and digital indicator (8), in the bottom of tested spring leaf (2) boosting-rod (3) is arranged; One end of lever (4) acts on boosting-rod (3), and the other end is connected with counterweight (6), has located eccentric wheel (5) at lever near counterweight (6); Rotate eccentric wheel (5) and be used to make lever (4), boosting-rod (3) is carried out reinforcing by counterweight (6).
2. precision spring sheet rigidity testing instrument according to claim 1 is characterized in that: counterweight frame (9) is arranged on lever (4), and this counterweight frame is used for the described counterweight of device.
3. precision spring sheet rigidity testing instrument according to claim 1 is characterized in that: at the middle part of lever (4) lever dolly (10) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100417669A CN101556229B (en) | 2008-08-15 | 2008-08-15 | Spring plate rigidity precision testing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100417669A CN101556229B (en) | 2008-08-15 | 2008-08-15 | Spring plate rigidity precision testing instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101556229A CN101556229A (en) | 2009-10-14 |
| CN101556229B true CN101556229B (en) | 2011-01-12 |
Family
ID=41174427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100417669A Expired - Fee Related CN101556229B (en) | 2008-08-15 | 2008-08-15 | Spring plate rigidity precision testing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101556229B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519798B (en) * | 2011-12-05 | 2013-12-04 | 西安理工大学 | Device and method for measuring stiffness of canted coil spring |
| CN102564862B (en) * | 2011-12-30 | 2014-03-05 | 航天科工惯性技术有限公司 | Method for testing rigidity of chip |
| CN103728110A (en) * | 2014-01-13 | 2014-04-16 | 核工业理化工程研究院 | Vertically-lifting embedded spring rigidity measuring device |
| CN103969126B (en) * | 2014-05-23 | 2016-06-22 | 常德力元新材料有限责任公司 | The detection method of porous metal material pliability |
| CN104330249B (en) * | 2014-10-16 | 2016-12-07 | 中国科学院上海技术物理研究所 | The test device of linear compressor spiral flat spring radial rigidity and manufacture method |
| CN104330248B (en) * | 2014-10-16 | 2016-12-07 | 中国科学院上海技术物理研究所 | The test device of linear compressor spiral flat spring axial rigidity and manufacture method |
| CN106197625A (en) * | 2016-07-04 | 2016-12-07 | 西北工业大学 | The real-time measurement apparatus of a kind of microgram magnitude quality and measuring method thereof |
| CN106197991B (en) * | 2016-08-30 | 2018-09-07 | 徐州东宏机械制造有限公司 | A kind of spring part stretching device repeatedly |
| CN114112718B (en) * | 2021-12-30 | 2024-03-01 | 第一拖拉机股份有限公司 | Method and device for detecting normal-temperature strength of lost foam coating |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2175934Y (en) * | 1993-09-28 | 1994-08-31 | 西安交通大学 | Submicro-,plunging instrument |
| CN2594779Y (en) * | 2002-12-21 | 2003-12-24 | 淄博高新区百力工贸有限公司 | Hydraulic C-shaped open spring tester |
-
2008
- 2008-08-15 CN CN2008100417669A patent/CN101556229B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2175934Y (en) * | 1993-09-28 | 1994-08-31 | 西安交通大学 | Submicro-,plunging instrument |
| CN2594779Y (en) * | 2002-12-21 | 2003-12-24 | 淄博高新区百力工贸有限公司 | Hydraulic C-shaped open spring tester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101556229A (en) | 2009-10-14 |
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Granted publication date: 20110112 Termination date: 20180815 |
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| CF01 | Termination of patent right due to non-payment of annual fee |