CN101451934B - Fine dried noodle bending and breaking rate measuring method and determinator based on axial compression amount - Google Patents
Fine dried noodle bending and breaking rate measuring method and determinator based on axial compression amount Download PDFInfo
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- CN101451934B CN101451934B CN2008102431571A CN200810243157A CN101451934B CN 101451934 B CN101451934 B CN 101451934B CN 2008102431571 A CN2008102431571 A CN 2008102431571A CN 200810243157 A CN200810243157 A CN 200810243157A CN 101451934 B CN101451934 B CN 101451934B
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Abstract
The invention discloses a dried noodle bending fracture rate measuring method based on axial amount of compression and a goniophotometer. First dried noodles in certain number are extracted, cut into given length, separatively fixed between a static supporting baffle and a movable supporting baffle. Then a motor is started, for driving a stepless speed change device and a nut screw, the movable supporting baffle is pushed to cause the dried noodles to generate axial compression unstable bending; the size of axial amount of compression is read by a horizontal type electronic digital staff gauge. The dried noodle are broken when the axial amount of compression of the movable supporting baffle does not reach the given axial amount of compression, namely a bent fracture strip; percent of the number of bent fracture strip to the number of extracted ones is the dried noodle bending fracture rate. According to the invention, objective measurement is realized through mechanics of materials pressure lever stability principle and large-deflection theory and stress equivalence principle, the bending fracture rate is correctly measured, measurement is more scientific and precise.
Description
Technical field
The present invention relates to the vermicelli detection range, relate in particular to fine dried noodle bending the fracture assay method and the analyzer thereof of rate.
Background technology
Vermicelli are the traditional foods that liked by China people, and consumption figure is big, and manufacturing enterprise is numerous, occupy critical role in national economy, and are closely related with people's lives.Along with the quickening of life of urban resident rhythm and the improvement of urban residents' living condition, vermicelli have vast potential for future development as a kind of convenience, good to eat, nutrition, healthy main meal products.
Aspect the quality of vermicelli product, existing industry standard is LS/T3212-1992 " vermicelli " and LS/T3213-1992 " pattern vermicelli " and " manual face " LS/T3214-1992, and main quality standard index has: moisture, acidity, irregular degree, bending fracture rate, ripe strip-breaking rate, cooking loss percentage etc.Can see that from industry standard the fine dried noodle bending rate of fractureing is one of important physical and chemical index of vermicelli.Stipulate in the industry standard that the bending fracture rate of primes is smaller or equal to 5.0%, the bending fracture rate of seconds is smaller or equal to 15.0%.Bending fracture rate is defined as vermicelli and makes bow action and do not reach the predetermined angular radical that fractures and account for the percent of sample radical, in order to judge the inherent quality of vermicelli.The crooked strip-breaking rate assay method of regulation is in industry standard: extract 20 in vermicelli, be cut into 180mm, be placed on respectively on the flat board that indicates centimeter scale and angle, with left hand fixed zero end, the right hand slowly along continuous straight runs is moved to the left, make the fine dried noodle bending camber, the angle of bend to regulation does not fracture, and is crooked breaker bars.When vermicelli thickness during greater than 0.9mm, the regulation angle of bend is more than or equal to 25 °; When vermicelli thickness smaller or equal to 0.9mm, the regulation angle of bend more than or equal to 30 °.The bending fracture rate computing method are: the number percent of the crooked vermicelli radical that fractures and the ratio of 20 samples in 20 samples.In existing industry standard, the fracture detection of rate of fine dried noodle bending is to use free-hand mensuration, since firmly uneven, factor affecting such as shake mensuration accuracy; Vermicelli end bent corner is the grazing angle of fine dried noodle bending end, and what the end bent corner read employing is ocular estimate, and end bent corner value is read in general very difficult differentiation, reads corner to range estimation and has brought very big difficulty.At present, do not see by the fine dried noodle bending breaking rate measuring instrument of existing industry standard with based on the report of the fine dried noodle bending breaking rate measuring method of axial compression amount.
Summary of the invention
The objective of the invention is provides a kind of fine dried noodle bending breaking rate measuring method and analyzer thereof based on axial compression amount simple to operation in order to solve the present fine dried noodle bending rate that fractures deficiencies such as crooked end corner range estimation reading difficulty and free-hand operation measurement accuracy be low in detecting.
The technical scheme that assay method of the present invention adopts is to adopt following steps: extract the vermicelli of certain radical earlier, be cut into the length of regulation, be separately fixed between quiet supporting baffle and the moving supporting baffle.Restart motor, drive variable-speed unit and nut-screw, promote moving supporting baffle and make vermicelli produce the bending of axial compression unstability; Read the axial compression amount size by horizontal type digital display scale.Vermicelli do not fracture when the axial compression amount of moving supporting baffle reaches the setting axial compression amount, are crooked breaker bars; The number percent of certain radical of crooked breaker bars radical and extraction is the fine dried noodle bending rate that fractures.
The technical scheme that analyzer of the present invention adopts is: the zero-bit end of vermicelli is fixed on the quiet supporting baffle on the base; At the crosswise fixed horizontal type digital display scale of the zero-bit end of vermicelli, movable vertical digital display scale and deflection metrology pointer vertically are installed, moving supporting baffle is installed on the horizontal type digital display scale, and the mobile terminal of vermicelli is fixed on the moving supporting baffle; Moving supporting baffle connects variable-speed unit by nut-screw, and variable-speed unit connects motor.
Apply materials mechanics pressure bar stabilization principle of the present invention and theory of large-deflection plate and stress equivalence principle have been set up the relation between axial compression amount and end corner, mid point maximum defluxion and the pressure; On this basis, set up fine dried noodle bending breaking rate measuring method and analyzer thereof based on axial compression amount, to reach the setting vermicelli disconnected when the axial compression amount (displacement) of moving supporting baffle, then this root fine dried noodle bending test passes that fractures; Do not fracture and reach the setting vermicelli, then this root fine dried noodle bending test failure that fractures.Its beneficial effect is:
1, can select on quiet supporting baffle and the moving supporting baffle the fixedly measuring flume of vermicelli according to the width of vermicelli.
2, by selecting on quiet supporting baffle and the moving supporting baffle the fixedly measuring flume number of vermicelli, test when can realize many vermicelli.
3, by changing the position that vermicelli are placed, can realize surface level build-in test or vertical plane build-in test.
4, by selecting on quiet supporting baffle and the moving supporting baffle the fixedly shape of the measuring flume of vermicelli, can realize the test of different shape vermicelli.
5,, realize that by act.std the angle of bend of end is measured, the bending fracture rate of evaluation vermicelli by the angle index chi of Jing Zhichengdangbanchu.
6, realize Instrument measuring, accurately measure the bending fracture rate of vermicelli, measure more science, precision is higher.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is the structure connection diagram of apparatus of the present invention.
Among the figure: 1. base; 2. quiet supporting baffle; 3. horizontal type digital display scale; 4. vermicelli; 5. mirror; 6. moving supporting baffle; 7. nut-screw; 8. variable-speed unit; 9. motor; 10. vertical digital display scale and deflection metrology pointer.
Embodiment
As shown in Figure 1, the bending of vermicelli 4 service part that fractures is made up of the one group of quiet supporting baffle 2 and the moving supporting baffle 6 that make vermicelli 4 produce the strut buckling bendings.Quiet supporting baffle 2 and moving supporting baffle 6 are arranged on the base 1.The zero-bit end of vermicelli 4 is fixed on the quiet supporting baffle 2; At the crosswise fixed horizontal type digital display scale 3 of the zero-bit end of vermicelli 4, movable vertical digital display scale and deflection metrology pointer 10 vertically are installed, moving supporting baffle 6 is installed on the horizontal type digital display scale 3, and the mobile terminal of vermicelli 4 is fixed on the moving supporting baffle 6; Moving supporting baffle 6 connects variable-speed unit 8 by nut-screw 7, and variable-speed unit 8 connects motor 9.2 places are provided with the angle index line in quiet supporting baffle.At base 1 rear mirror 5 is set, horizontal type digital display scale 3, vertical digital display scale and deflection metrology pointer 10, angle index line and vermicelli 4 are projected on the mirror 5.By horizontal type digital display scale 3, vertical digital display scale and deflection metrology pointer 10, the projection of angle index line on mirror 5, axial compression amount, maximum deflection amount of deflection and the end corner value of vermicelli 4 read in range estimation respectively.Vertical digital display scale wherein and deflection metrology pointer 10 laterally surpass the mid point of vermicelli 4 bendings, and its extended spot is formed the measuring system of maximum defluxion.
Randomly draw the vermicelli 4 of certain radical, be cut into the length of regulation, be placed on respectively between the quiet supporting baffle 2 and moving supporting baffle 6 of analyzer, and make on quiet supporting baffle 2 and the moving supporting baffle 6 fixedly distance between the measuring flume of vermicelli 4 equal the length of vermicelli 4.Actuating motor 9, motor 9 drives variable-speed unit 8 and nut-screw 7, and nut-screw 7 promotes moving supporting baffle 6 makes vermicelli 4 produce the bending of axial compression unstability.The speed minimum that nut-screw 7 promotes moving supporting baffle 6 is 0.01mm/s, and axial compression amount (displacement) resolution of the moving supporting baffle 6 that nut-screw 7 promotes is 0.01mm.Read this axial compression amount size by horizontal type digital display scale 3.When the axial compression amount (displacement) of moving supporting baffle 6 did not reach vermicelli 4 setting axial compression amounts, vermicelli 4 just bending had fractureed, and the vermicelli 4 that promptly fracture are crooked breaker bars.The axial compression amount setting of different-thickness and length vermicelli 4 is different.When vermicelli 4 fracture, read the maximum deflection amount of deflection of vermicelli 4, read the bending fracture rate of end corner value evaluation vermicelli 4 by the angle index line by vertical digital display scale and deflection metrology pointer 10.The bending fracture rate computing method are the vermicelli radical of crooked breaker bars and the number percent of the ratio of the vermicelli number of the certain radical that just begins to extract.
Change at 0～300mm between a quiet supporting baffle 2 and the moving spacer 6, be suitable for all kinds of vermicelli, the following prismatic different shape vermicelli of length 300mm are used for the surface level build-in test, the orientation of placing according to vermicelli 4 also can be in the vertical plane build-in test fine dried noodle bending rate that fractures; Also can evaluate the bending fracture rate of vermicelli by act.std by the angle of bend of measuring the end; Test when being applicable to many vermicelli.
Relation in the inventive method between vermicelli 4 axial compression amounts and end corner, mid point maximum defluxion and the pressure is respectively:
Axial compression amount size decision content and the relation between the existing industry standard method decision content between qualified vermicelli 4 both ends are as shown in table 1 below, provide the quality assessment value of different length and different-thickness vermicelli 4 in the table 1, wherein length 180mm, thickness〉0.9mm, 25 ° of end rotational angle theta o judge values; Length 180mm, thickness≤0.9mm, 30 ° of end rotational angle theta o judge values are the judge values of existing industry standard regulation, other all is the judge value that derives according to depression bar theory of large-deflection plate and stress equivalence principle according to existing industry standard.Parameter is applicable to the vermicelli 4 of uniform cross section, quality uniformity in the table 1, is not subjected to the influence of vermicelli 4 width and shape and component.
Concern between table 1 maximum defluxion and axial compression amount and the end corner
Below by 7 embodiment the present invention is elaborated again:
Embodiment 1
Vermicelli 4 length are the crooked strip-breaking rate assay method of 180mm, randomly draw 20 in vermicelli, be cut into 180mm, be placed on respectively between the quiet supporting baffle 2 and moving supporting baffle 6 of analyzer, and make on quiet supporting baffle 2 and the moving supporting baffle 6 distance between the measuring flume equal the length (180mm) of vermicelli 4, promoting moving supporting baffle 6 by motor 9, variable-speed unit 8 and nut-screw 7 makes vermicelli 4 produce the bending of axial compression unstability, do not fracture when the axial compression amount (displacement) that moves supporting baffle 6 reaches the setting axial compression amount, be crooked breaker bars.When vermicelli 4 thickness during greater than 0.9mm, the regulation axial compression amount is more than or equal to 8.50mm (angle of bend that is equivalent to act.std is more than or equal to 25 °); When vermicelli 4 thickness smaller or equal to 0.9mm, the regulation axial compression amount more than or equal to 12.14mm (angle of bend that is equivalent to act.std is more than or equal to 30 °).The bending fracture rate computing method are the number percent of crooked vermicelli 4 radicals that fracture and the ratio of 20 samples in 20 samples.
Embodiment 2
Vermicelli 4 length are the crooked strip-breaking rate assay method of 210mm, randomly draw 20 in vermicelli, be cut into 210mm, be placed on respectively between the quiet supporting baffle 2 and moving supporting baffle 6 of analyzer, and make on quiet supporting baffle 2 and the moving supporting baffle 6 distance between the measuring flume equal the length (210mm) of vermicelli, promoting moving supporting baffle 6 by motor 9, variable-speed unit 8 and nut-screw 7 makes vermicelli 4 produce the bending of axial compression unstability, do not fracture when the axial compression amount (displacement) that moves supporting baffle 6 reaches the setting axial compression amount, be crooked breaker bars.When vermicelli 4 thickness during greater than 0.9mm, the regulation axial compression amount is more than or equal to 13.27mm (being equivalent to angle of bend more than or equal to 29 °); When vermicelli 4 thickness smaller or equal to 0.9mm, the regulation axial compression amount more than or equal to 19.27mm (being equivalent to angle of bend) more than or equal to 35 °.The bending fracture rate computing method are the number percent of crooked vermicelli 4 radicals that fracture and the ratio of 20 samples in 20 samples.
Embodiment 3
Vermicelli 4 length are the crooked strip-breaking rate assay method of 150mm, randomly draw 20 in vermicelli, be cut into 150mm, be placed on respectively between the quiet supporting baffle 2 and moving supporting baffle 6 of analyzer, and make on quiet supporting baffle 2 and the moving supporting baffle 6 distance between the measuring flume equal the length (150mm) of vermicelli 4, promoting moving supporting baffle 6 by motor 9, variable-speed unit 8 and nut-screw 7 makes vermicelli 4 produce the bending of axial compression unstability, do not fracture when the axial compression amount (displacement) that moves supporting baffle 6 reaches the setting axial compression amount, be crooked breaker bars.When vermicelli 4 thickness during greater than 0.9mm, the regulation axial compression amount is more than or equal to 5.01mm (being equivalent to angle of bend more than or equal to 21 °); When vermicelli 4 thickness smaller or equal to 0.9mm, the regulation axial compression amount more than or equal to 7.09mm (being equivalent to angle of bend) more than or equal to 25 °.The bending fracture rate computing method are the number percent of crooked vermicelli 4 radicals that fracture and the ratio of 20 samples in 20 samples.
Embodiment 4
Vermicelli 4 length are the crooked strip-breaking rate assay method of 120mm, randomly draw 20 in vermicelli, be cut into 120mm, be placed on respectively between the quiet supporting baffle 2 and moving supporting baffle 6 of analyzer, and make on quiet supporting baffle 2 and the moving supporting baffle 6 distance between the measuring flume equal the length (120mm) of vermicelli, promoting moving supporting baffle by motor 9, variable-speed unit 8 and nut-screw 7 makes vermicelli 4 produce the bending of axial compression unstability, do not fracture when the axial compression amount (displacement) that moves supporting baffle 6 reaches the setting axial compression amount, be crooked breaker bars.When vermicelli 4 thickness during greater than 0.9mm, the regulation axial compression amount is more than or equal to 2.64mm (being equivalent to angle of bend more than or equal to 17 °); When vermicelli 4 thickness smaller or equal to 0.9mm, the regulation axial compression amount more than or equal to 3.62mm (being equivalent to angle of bend) more than or equal to 20 °.The bending fracture rate computing method are the number percent of crooked vermicelli 4 radicals that fracture and the ratio of 20 samples in 20 samples.
Embodiment 5
Vermicelli 4 length are the crooked strip-breaking rate assay method of 90mm, randomly draw 20 in vermicelli, be cut into 90mm, be placed on respectively between the quiet supporting baffle 2 and moving supporting baffle 6 of analyzer, and make on quiet supporting baffle 2 and the moving supporting baffle 6 distance between the measuring flume equal the length (90mm) of vermicelli 4, promoting moving supporting baffle 6 by motor 9, variable-speed unit 8 and nut-screw 7 makes vermicelli 4 produce the bending of axial compression unstability, do not fracture when the axial compression amount (displacement) that moves supporting baffle 6 reaches the setting axial compression amount, be crooked breaker bars.When vermicelli 4 thickness during greater than 0.9mm, the regulation axial compression amount is more than or equal to 1.17mm (being equivalent to angle of bend more than or equal to 13 °); When vermicelli 4 thickness smaller or equal to 0.9mm, the regulation axial compression amount more than or equal to 1.55mm (being equivalent to angle of bend) more than or equal to 15 °.The bending fracture rate computing method are the number percent of crooked vermicelli 4 radicals that fracture and the ratio of 20 samples in 20 samples.
Embodiment 6
Vermicelli 4 length are the crooked strip-breaking rate assay method of 180mm, randomly draw 20 in vermicelli, be cut into 180mm, be placed on respectively between the quiet supporting baffle 2 and moving supporting baffle 6 of analyzer, and make on quiet supporting baffle 2 and the moving supporting baffle 6 distance between the measuring flume equal the length (180mm) of vermicelli, by motor 9, variable-speed unit 8 and nut-screw 7 promote moving supporting baffle 6 makes vermicelli 4 produce the bending of axial compression unstability, utilize the angle index chi at quiet supporting baffle 2 places to measure vermicelli end bent angle, when vermicelli 4 end bent angles do not fracture to the angle of bend of regulation, be crooked breaker bars.When vermicelli 4 thickness during greater than 0.9mm, the regulation angle of bend is more than or equal to 25 °; When vermicelli 4 thickness smaller or equal to 0.9mm, the regulation angle of bend more than or equal to 30 °.Bending fracture rate computing method: the number percent of the crooked vermicelli radical that fractures and the ratio of 20 samples in 20 samples.The angle of bend of length 210,150,120,90mm vermicelli 4 regulations is respectively with embodiment 1-5.
Embodiment 7
In the above embodiments 1-6, utilize vertical digital display scale and deflection metrology pointer 10, measure the maximum defluxion of the mid point of crooked vermicelli 4.Also can estimate bending fracture rate with maximum defluxion, relation is as table 1 between maximum defluxion and axial compression amount and the end corner.
The crooked strip-breaking rate assay method of vermicelli 4 other length, apply materials mechanics pressure bar stabilization principle and theory of large-deflection plate and stress equivalence principle, the axial compression amount when calculating this length (or maximum defluxion, or the end corner) the evaluation value.
Claims (8)
1. fine dried noodle bending breaking rate measuring method based on axial compression amount is characterized in that adopting following steps:
A, extract the vermicelli (4) of certain radical, be cut into the length of regulation, be separately fixed between quiet supporting baffle (2) and the moving supporting baffle (6);
B, actuating motor (9) drive variable-speed unit (8) and nut-screw (7), promote moving supporting baffle (6) and make vermicelli (4) produce the bending of axial compression unstability; Read this axial compression amount size by horizontal type digital display scale (3);
C, vermicelli (4) do not fracture when the axial compression amount of moving supporting baffle (6) reaches the setting axial compression amount, are crooked breaker bars; The number percent of the certain radical of vermicelli (4) of crooked breaker bars radical and extraction is vermicelli (4) bending fracture rate.
2. a kind of fine dried noodle bending breaking rate measuring method based on axial compression amount according to claim 1 is characterized in that: change at 0～300mm between quiet supporting baffle (2) and the moving supporting baffle (6) in the steps A.
3. a kind of fine dried noodle bending breaking rate measuring method based on axial compression amount according to claim 1 is characterized in that: the minimum 0.01mm/s of being of speed that promotes moving supporting baffle (6) among the step B.
4. a kind of fine dried noodle bending breaking rate measuring method according to claim 1 based on axial compression amount, it is characterized in that: when vermicelli (4) when fractureing, read the maximum deflection amount of deflection of vermicelli (4), read the bending fracture rate of end corner value evaluation vermicelli (4) by the angle index line among the step C by vertical digital display scale and deflection metrology pointer (10).
5. according to claim 1 or 4 described a kind of fine dried noodle bending breaking rate measuring methods based on axial compression amount, it is characterized in that: by the projection on the mirror (5), axial compression amount, end corner value and the maximum deflection amount of deflection of vermicelli (4) are read in range estimation.
6. analyzer of realizing the described fine dried noodle bending breaking rate measuring method based on axial compression amount of claim 1 is characterized in that: the zero-bit end of vermicelli (4) is fixed on the quiet supporting baffle (2) on the base (1); Crosswise fixed horizontal type digital display scale (3) at the zero-bit end of vermicelli (4), vertical movable vertical digital display scale and the deflection metrology pointer (10) installed, moving supporting baffle (6) is installed on the horizontal type digital display scale (3), and the mobile terminal of vermicelli (4) is fixed on the moving supporting baffle (6); Moving supporting baffle (6) connects variable-speed unit (8) by nut-screw (7), and variable-speed unit (8) connects motor (9).
7. analyzer according to claim 6 is characterized in that: locate to be provided with the angle index line in quiet supporting baffle (2).
8. analyzer according to claim 7 is characterized in that: at base (1) rear mirror (5) is set, horizontal type digital display scale (3), vertical digital display scale and deflection metrology pointer (10), angle index line and vermicelli (4) are projected on the mirror (5).
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| CN2008102431571A CN101451934B (en) | 2008-12-09 | 2008-12-09 | Fine dried noodle bending and breaking rate measuring method and determinator based on axial compression amount |
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|---|---|---|---|---|
| CN101929933B (en) * | 2009-10-09 | 2012-08-15 | 江苏大学 | Method for measuring mechanical texture characteristic of dried rice noodle |
| CN102818732B (en) * | 2012-07-26 | 2015-02-04 | 江苏大学 | Method and apparatus for simultaneous determination of post-buckling deformation parameters and elastic moduli of elastomeric material |
| CN103983559B (en) * | 2014-04-16 | 2016-07-13 | 深圳大学 | Reinforcing bar plays suggestion device and the reminding method of rust and chlorine ion concentration limit state |
| CN104406520B (en) * | 2014-11-26 | 2017-11-21 | 昆山国显光电有限公司 | The detection means and method of compliant member |
| CN107511992B (en) * | 2017-07-21 | 2020-11-17 | 中国电力科学研究院 | Adjustable mandrel bending device |
| CN109100236B (en) * | 2018-07-09 | 2021-01-12 | 武汉钢铁有限公司 | Thin-specification high-strength pure steel bending test system and test method for automobile |
| CN113970305B (en) * | 2021-06-16 | 2023-07-28 | 广西大学 | Method for measuring axial displacement of compression bar through deflection |
| CN113959872B (en) * | 2021-09-24 | 2024-04-12 | 安徽润象新材料科技有限公司 | Bending performance testing device for PET composite board |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546979A (en) * | 2003-12-17 | 2004-11-17 | 东华大学 | Fiber compressive and flexural property measuring method and device |
| CN1779433A (en) * | 2004-11-23 | 2006-05-31 | 西南交通大学 | Curling preventor of axial compression fatigue experiment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546979A (en) * | 2003-12-17 | 2004-11-17 | 东华大学 | Fiber compressive and flexural property measuring method and device |
| CN1779433A (en) * | 2004-11-23 | 2006-05-31 | 西南交通大学 | Curling preventor of axial compression fatigue experiment |
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