JP2928997B2 - Simple hardness tester - Google Patents
Simple hardness testerInfo
- Publication number
- JP2928997B2 JP2928997B2 JP7306697A JP7306697A JP2928997B2 JP 2928997 B2 JP2928997 B2 JP 2928997B2 JP 7306697 A JP7306697 A JP 7306697A JP 7306697 A JP7306697 A JP 7306697A JP 2928997 B2 JP2928997 B2 JP 2928997B2
- Authority
- JP
- Japan
- Prior art keywords
- hardness
- base frame
- sample
- measurement
- force gauge
- 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 - Lifetime
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、携帯性が優れ、簡
易で、非破壊的に対象物の堅さ評価ができ、野菜、果実
等の機械収穫向き品種育成及び高品質育種研究に利用が
可能な簡易堅さ測定機に関する。The present invention has excellent portability, is simple, can non-destructively evaluate the hardness of an object, and can be used for breeding varieties suitable for machine harvesting of vegetables, fruits, etc. and for research on high quality breeding. It relates to a possible simple hardness tester.
【０００２】[0002]
【従来の技術】野菜、果実等の機械収穫の発達に伴い、
堅さを中心とした各種の評価法が提案されているが、こ
れらは精密物性試験機によるものが多く、育種の現場に
携帯が容易で、かつ的確に評価ができる簡易堅さ測定機
としては適当なものがないのが現状である。一方、最近
はフォースゲージ類を使った果実の硬さなどの評価が安
易に行われているが、これらは試料の支持、荷重速度の
コントロールができないため的確な評価ができず、ま
た、測定後の試料は損傷してしまうため、品質・成分等
の分析、育種母本用には利用ができない。[Prior Art] With the development of machine harvesting of vegetables and fruits,
Various evaluation methods centering on hardness have been proposed, but many of them are based on precision physical property testers, and as a simple hardness measurement device that is easy to carry and accurately evaluate at the breeding site. At present there is no suitable one. On the other hand, the evaluation of the hardness of fruits using force gauges has recently been performed easily, but these cannot be evaluated accurately because the support of the sample and the control of the loading speed cannot be performed. Cannot be used for analysis of quality and components, nor for breeding mothers.
【０００３】[0003]
【発明が解決しようとする課題】野菜、果実の堅さは取
り扱い、貯蔵性、品質、輸送性と密接に関連する特性で
ある。しかし、現在使用されている精密物性試験機で
は、実験室内に試料を運び入れて測定しなければなら
ず、このため、育種の現場で的確に野菜、果実等の堅さ
の評価ができ、さらに、測定後の試料は品質調査や育種
母本としても利用できる、簡易堅さ測定機の開発が望ま
れている。本発明は上記の課題を解決することを目的に
なされたものである。The firmness of vegetables and fruits is a property closely related to handling, storability, quality and transportability. However, with the precision physical property tester currently used, it is necessary to carry the sample into the laboratory for measurement, and therefore, it is possible to accurately evaluate the firmness of vegetables, fruits, etc. at the breeding site, and furthermore, It is desired to develop a simple hardness tester that can use the sample after measurement as a quality survey and a breeding mother. The present invention has been made to solve the above problems.
【０００４】[0004]
【課題を解決するための手段】上記の目的を達成するた
めに本発明は、グリップ、速度調整つまみ、スイッチ等
を有し、携帯可能で充電式のシーリングガンの胴筒部に
ベースフレームの一端を取付け、このベースフレームの
他端にタマネギのような被測定試料を載置する試料台を
設け、この試料台と対向して上記シーリングガンのガン
シャフトに、感圧軸、圧縮距離指針等を有するデジタル
フォースゲージを取付けて上記ベースフレームに対して
スライド可能とし、該デジタルフォースゲージとベース
フレームとの間に圧縮距離スケールを設けて、被測定試
料の堅さを非破壊的に測定することを特徴としている。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a portable rechargeable sealing gun having a grip, a speed adjusting knob, a switch, and the like. At the other end of the base frame, a sample stage on which a sample to be measured such as an onion is mounted is provided, and a pressure-sensitive axis, a compression distance indicator, etc. are attached to the gun shaft of the sealing gun facing the sample stage. A digital force gauge having a slidable relative to the base frame, a compression distance scale provided between the digital force gauge and the base frame, and non-destructively measuring the hardness of the sample to be measured. Features.
【０００５】[0005]
【作用】上記の構成により本発明の簡易堅さ測定機は、
育種の現場への携帯が容易であり、かつ的確に非破壊的
に測定評価ができる。また、簡易堅さ測定機で測定の際
に問題となる圧縮速度、距離、測定部位等を安定させて
測定精度が高められる。According to the above configuration, the simple hardness measuring machine of the present invention has:
It is easy to carry to the site of breeding, and the measurement and evaluation can be performed accurately and nondestructively. In addition, the compression speed, distance, measurement site, and the like, which are problematic when measuring with a simple hardness measuring machine, are stabilized, and the measurement accuracy is increased.
【０００６】[0006]
【発明の実施の形態】以下、本発明の一実施例を、図面
を参照して具体的に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be specifically described below with reference to the drawings.
【０００７】１）測定の原理 タマネギのような試料に所定の変形を与えるのに必要な
応力による堅さ評価法である。1) Principle of measurement This is a method for evaluating the hardness based on the stress required to apply a predetermined deformation to a sample such as an onion.
【０００８】２）測定機の構成 本発明による簡易堅さ測定機１を図１及び図２に示す。
簡易堅さ測定機１は、市販品であり、かつ携帯可能の建
築工具である充電式のシーリングガン２のガンシャフト
３に、同じく市販品であるデジタルフォースゲージ４を
取付けている。このシーリングガン２は、グリップ５、
速度調整つまみ６、スイッチ７等を備えており、また、
デジタルフォースゲージ４には、感圧軸８、圧縮距離指
針９等を備えている。2) Configuration of the Measuring Machine A simple hardness measuring machine 1 according to the present invention is shown in FIGS.
The simple hardness measuring device 1 has a commercially available digital force gauge 4 attached to a gun shaft 3 of a rechargeable sealing gun 2 which is a commercially available and portable construction tool. This sealing gun 2 has a grip 5,
It has a speed adjustment knob 6, a switch 7, etc.
The digital force gauge 4 includes a pressure-sensitive shaft 8, a compression distance indicator 9, and the like.
【０００９】上記シーリングガン２の胴筒部１０には、
ベースフレーム１１の一端が取付けられ、このベースフ
レーム１１の他端にタマネギのような被測定試料を載置
する試料台１２が設けられている。そして、この試料台
１２と対向して上記デジタルフォースゲージ４の感圧軸
８、圧縮距離指針９を配設し、デジタルフォースゲージ
４は上記ベースフレーム１１に対してスライド可能であ
る。また、該デジタルフォースゲージ４とベースフレー
ム１１との間に圧縮距離スケール１３を設けている。上
記試料台１２と感圧軸８の間隔はベースフレーム１１と
胴筒部１０を固定する蝶型ナットにより調節する。The barrel 10 of the sealing gun 2 includes:
One end of a base frame 11 is attached, and a sample table 12 on which a sample to be measured such as an onion is mounted is provided at the other end of the base frame 11. A pressure-sensitive shaft 8 and a compression distance indicator 9 of the digital force gauge 4 are provided so as to face the sample table 12, and the digital force gauge 4 is slidable with respect to the base frame 11. Further, a compression distance scale 13 is provided between the digital force gauge 4 and the base frame 11. The distance between the sample table 12 and the pressure-sensitive shaft 8 is adjusted by a butterfly nut that fixes the base frame 11 and the barrel 10.
【００１０】上記試料台１２にはマグネットラバー１４
が付着されており、試料の大きさに応じたレベル調節が
行える。圧縮距離スケール１３はマグネットラバーで固
定され、ゼロ調整が容易である。ベースフレーム１１と
試料台１２は軽量化のためアルミ鋼材で作成されてい
る。フォースゲージ４の最大荷重容量は２０ｋｇ、感圧
軸は直径３０ｍｍのディスク状のものである。簡易堅さ
測定機１全体の重量は約２．７ｋｇである。シーリング
ガン２は充電式電池による電動モーターで駆動する。電
池の持続性は気温によっても異なるが、常温下では２時
間程度である。The sample table 12 has a magnet rubber 14 attached thereto.
Is attached, and the level can be adjusted according to the size of the sample. The compression distance scale 13 is fixed with magnet rubber, and zero adjustment is easy. The base frame 11 and the sample stage 12 are made of aluminum steel for weight reduction. The maximum load capacity of the force gauge 4 is 20 kg, and the pressure-sensitive shaft is a disk having a diameter of 30 mm. The total weight of the simple hardness tester 1 is about 2.7 kg. The sealing gun 2 is driven by an electric motor using a rechargeable battery. The durability of the battery varies depending on the temperature, but is about two hours at room temperature.
【００１１】３）測定条件 簡易堅さ測定機１による測定条件は以下のとおりであ
る。圧縮速度は１１１ｍｍ／ｍｉｎ、感圧軸８の形状は
ディスク型で寸法は直径３０ｍｍ、圧縮距離は３ｍｍ
（タマネギの球が裂開しない距離）、測定部位は球の赤
道部である。3) Measurement conditions The measurement conditions of the simple hardness measuring machine 1 are as follows. The compression speed is 111 mm / min, the shape of the pressure-sensitive shaft 8 is a disk type, the size is 30 mm in diameter, and the compression distance is 3 mm.
(Distance at which the ball of the onion does not rupture), the measurement site is the equator of the ball.
【００１２】４）測定方法 ．試料は赤道部が試料台１２の側部と接するように置
く。 ．試料台１２を試料の赤道部が感圧軸８の中心に当た
るように調節する。 ．デジタルフォースゲージ４をピークホールドに設定
し、試料に感圧軸８が軽く当たるまでスイッチ７を入れ
る。 ．圧縮距離スケール１３のゼロ点を圧縮距離指針９に
合わせ、スイッチ７を入れ３ｍｍ圧縮する。 ．測定値を読みとる。 ．デジタルを帰零し、次の測定準備をする。4) Measurement method The sample is placed so that the equator is in contact with the side of the sample table 12. . The sample stage 12 is adjusted so that the equatorial portion of the sample comes to the center of the pressure-sensitive shaft 8. . The digital force gauge 4 is set to the peak hold, and the switch 7 is turned on until the pressure-sensitive shaft 8 lightly hits the sample. . The zero point of the compression distance scale 13 is adjusted to the compression distance indicator 9, and the switch 7 is turned on to compress the distance by 3 mm. . Read the measured value. . Return the digital value to zero and prepare for the next measurement.
【００１３】５）測定例 夕マネギの簡易堅さ測定機１による堅さ測定と、精密物
性試験機（Ｉｎｓｔｏｒｏｎ）による堅さ測定との間に
は、図３に示すように、密接な相関関係（ｒ＝０．９６
６**）が認められた。その結果、本発明による簡易堅さ
測定機１は有用と判断された。タマネキの堅さには明か
な品種間差異が認められ、北海道の主要品種及ぴこれら
の交配親は極めて堅い群に属すものが多かった。全般に
堅さは貯蔵期間が長いほど軟らかくなり、その変化は品
種によって異なった。堅さと貯蔵障害の発生との間には
負の相関が認められ、堅さの変化が大きい品種ほど貯蔵
性が劣る傾向が見られた。5) Measurement Example As shown in FIG. 3, there is a close correlation between the hardness measurement of the evening onion by the simple hardness tester 1 and the hardness measurement by the precision physical property tester (Instron), as shown in FIG. (R = 0.96
6 ** ) was observed. As a result, the simple hardness tester 1 according to the present invention was determined to be useful. There was a clear varietal difference in the hardness of onion, and the main varieties of Hokkaido and their crossed parents often belonged to an extremely hard group. In general, the hardness became softer as the storage period was longer, and the change varied depending on the variety. There was a negative correlation between firmness and the occurrence of storage disorders, and varieties with a large change in firmness tended to have poor storage properties.
【００１４】本発明の簡易堅さ測定機１による堅さ測定
では、非破壊なのでタマネギの刺激臭が発生せず、ま
た、測定後の試料には圧縮が原因の腐敗、花器の奇形等
が全く認められず、母球として利用できるものであっ
た。In the hardness measurement by the simple hardness measuring device 1 of the present invention, the irritating odor of the onion is not generated because it is non-destructive. It was not recognized and could be used as a mother ball.
【００１５】[0015]
【発明の効果】以上説明したように本発明の簡易堅さ測
定機は、野菜、果実等の堅さの的確な評価が可能であ
り、携帯性が優れ、廉価で、かつ育種の現場に活用でき
る非破壊的な簡易測定を行うことができる。As described above, the simple hardness tester of the present invention can accurately evaluate the hardness of vegetables, fruits, etc., is excellent in portability, is inexpensive, and can be used in breeding sites. Nondestructive simple measurement that can be performed can be performed.
【００１６】また、従来の簡易測定機では不可能であっ
た「試料に所定の変形を与えるのに必要な応力による堅
さ評価法」として用いることができ、貯蔵性、機械収穫
向き品種育成及ぴ、高品質育種研究への利用等が期待さ
れる。Further, it can be used as a "evaluation method of hardness based on stress required to give a predetermined deformation to a sample", which is impossible with a conventional simple measuring device, and has a storability and a variety suitable for machine harvesting.ぴ It is expected to be used for high quality breeding research.
【図１】本発明による簡易堅さ測定機の側面図である。FIG. 1 is a side view of a simple hardness tester according to the present invention.
【図２】同平面図である。FIG. 2 is a plan view of the same.
【図３】本発明の簡易堅さ測定機による測定と精密物性
試験機による堅さ測定との関係を示すグラフである。FIG. 3 is a graph showing a relationship between measurement by a simple hardness tester of the present invention and hardness measurement by a precision physical property tester.
【符号の説明】 １ 簡易堅さ測定機 ２ シーリングガン ３ ガンシャフト ４ デジタルフォースゲージ ５ グリップ ６ 速度調整つまみ ７ スイッチ ８ 感圧軸 ９ 圧縮距離指針 １０ シーリングガンの胴筒部 １１ ベースフレーム １２ 試料台 １３ 圧縮距離スケール １４ マグネットラバー[Description of Signs] 1 Simple hardness measuring machine 2 Sealing gun 3 Gun shaft 4 Digital force gauge 5 Grip 6 Speed adjustment knob 7 Switch 8 Pressure sensitive shaft 9 Compression distance pointer 10 Ceiling barrel 11 Base frame 12 Sample stand 13 Compression distance scale 14 Magnet rubber
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) G01N 3/00 - 3/62 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 6 , DB name) G01N 3/00-3/62
Claims (1)
を有し、携帯可能で充電式のシーリングガンの胴筒部に
ベースフレームの一端を取付け、このベースフレームの
他端にタマネギのような被測定試料を載置する試料台を
設け、この試料台と対向して上記シーリングガンのガン
シャフトに、感圧軸、圧縮距離指針等を有するデジタル
フォースゲージを取付けて上記ベースフレームに対して
スライド可能とし、該デジタルフォースゲージとベース
フレームとの間に圧縮距離スケールを設けて、被測定試
料の堅さを非破壊的に測定することを特徴とする簡易堅
さ測定機。An end of a base frame is attached to a barrel portion of a portable and rechargeable sealing gun having a grip, a speed adjusting knob, a switch, and the like, and an onion-like measurement target such as an onion is provided at the other end of the base frame. A sample stage on which a sample is placed is provided, and a digital force gauge having a pressure-sensitive axis, a compression distance indicator, and the like is attached to the gun shaft of the sealing gun so as to be slidable with respect to the base frame. by providing the compressed distance scale between the digital force gauge and the base frame, it attempted to be measured
A simple hardness tester characterized by non-destructively measuring the hardness of the material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7306697A JP2928997B2 (en) | 1997-03-26 | 1997-03-26 | Simple hardness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7306697A JP2928997B2 (en) | 1997-03-26 | 1997-03-26 | Simple hardness tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10267816A JPH10267816A (en) | 1998-10-09 |
| JP2928997B2 true JP2928997B2 (en) | 1999-08-03 |
Family
ID=13507605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7306697A Expired - Lifetime JP2928997B2 (en) | 1997-03-26 | 1997-03-26 | Simple hardness tester |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2928997B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100126673A (en) * | 2008-01-09 | 2010-12-02 | 다우 글로벌 테크놀로지스 인크. | Device and method for assessing the machinability of laminates |
| JP5364017B2 (en) * | 2010-03-12 | 2013-12-11 | 独立行政法人農業・食品産業技術総合研究機構 | Portable moisture information output device |
| 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 |
| US11768141B2 (en) | 2021-01-14 | 2023-09-26 | National University Corporation Tokai National Higher Education And Research System | Object hardness measuring device and method |
| JP7303530B2 (en) * | 2021-01-14 | 2023-07-05 | 国立大学法人東海国立大学機構 | HARDNESS MEASURING DEVICE FOR DUT AND HARDNESS MEASURING METHOD FOR DUT |
-
1997
- 1997-03-26 JP JP7306697A patent/JP2928997B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10267816A (en) | 1998-10-09 |
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