JP2784634B2 - Bending test equipment - Google Patents
Bending test equipmentInfo
- Publication number
- JP2784634B2 JP2784634B2 JP6267479A JP26747994A JP2784634B2 JP 2784634 B2 JP2784634 B2 JP 2784634B2 JP 6267479 A JP6267479 A JP 6267479A JP 26747994 A JP26747994 A JP 26747994A JP 2784634 B2 JP2784634 B2 JP 2784634B2
- Authority
- JP
- Japan
- Prior art keywords
- pressing
- bending test
- test apparatus
- bending
- force
- 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
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、曲げ強さを測定する曲
げ試験装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bending test apparatus for measuring bending strength.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】従来か
ら図１に示す縦部１'と横部１"とから成るＬ字型コンク
リートブロック１の曲げ強さを測定する曲げ試験装置２
が提案されている（本実施例と同一構成部分には同一符
号を付する。）。2. Description of the Related Art Conventionally, a bending test apparatus 2 for measuring the bending strength of an L-shaped concrete block 1 comprising a vertical portion 1 'and a horizontal portion 1 "shown in FIG.
(The same components as those of the present embodiment are denoted by the same reference numerals).
【０００３】この曲げ試験装置２は油圧等により水平に
突没する押圧部３を突出させて被測定物１であるＬ字型
コンクリートブロック１の縦部１'の所定部位Ｘを押圧
することで曲げ試験を行うものである。尚、Ｌ字型コン
クリートブロック１の曲げ強さは、縦部１'の所定部位
Ｘにおけるモーメントで定められている。The bending test apparatus 2 presses a predetermined portion X of a vertical portion 1 ′ of an L-shaped concrete block 1 which is an object to be measured 1 by protruding a pressing portion 3 which protrudes and retracts horizontally by hydraulic pressure or the like. A bending test is performed. The bending strength of the L-shaped concrete block 1 is determined by the moment at a predetermined portion X of the vertical portion 1 '.
【０００４】従って、縦部１'の内面が垂直面の場合に
は曲げ試験装置２の押圧部３で縦部１'の所定部位Ｘを
押圧しても、該押圧部３は摺動したりせず、よって、正
確な曲げ強さを測定できるが、図１に図示したように縦
部１'の内面が傾斜面１ａの場合には図２に示すように
傾斜面１ａに沿って上方へ働く押圧部３の押圧力の分力
Ｆ1の為、押圧部３には該押圧部３を上方へ摺動させよ
うとする力が作用する。Therefore, when the inner surface of the vertical portion 1 ′ is a vertical surface, even if the pressing portion 3 of the bending test apparatus 2 presses the predetermined portion X of the vertical portion 1 ′, the pressing portion 3 slides or slides. Therefore, the bending strength can be accurately measured. However, when the inner surface of the vertical portion 1 'is the inclined surface 1a as shown in FIG. 1, upward bending along the inclined surface 1a as shown in FIG. for pressing portion 3 of the pressing force of the component force F 1 acting, the pressing portion 3 a force for sliding the pressing portion 3 upward acts.
【０００５】この上方への分力による摺動を防止する
為、該押圧部３を下方に押動せしめる適宜な機構を設け
ることも考えられるが、このような機構を設けることは
非常にコスト高になる。[0005] In order to prevent the sliding due to the upward component force, it is conceivable to provide an appropriate mechanism for pushing the pressing portion 3 downward. However, providing such a mechanism is very costly. become.
【０００６】そこで本発明者はコストをかけずに曲げ試
験装置２の押圧部３の上方への摺動を阻止し、よって、
正確な曲げ強さを測定できる曲げ試験装置を発明した。Therefore, the inventor of the present invention prevents the upward movement of the pressing portion 3 of the bending test apparatus 2 without incurring cost.
Invented a bending test device that can measure accurate bending strength.
【０００７】[0007]
【課題を解決するための手段】添付図面を参照して本発
明の要旨を説明する。The gist of the present invention will be described with reference to the accompanying drawings.
【０００８】被測定物１の所定部位Ｘを押圧部３により
押圧することで該被測定物１の曲げ強さを測定する曲げ
試験装置２であって、被測定物１の所定部位Ｘが傾斜面
１ａの場合において、押圧部３の先端に押圧体５を設
け、この押圧体５の先端面を押圧部３による押圧力の分
力である傾斜面１ａに沿う方向の力を打ち消す摩擦力を
生じさせる摩擦係数を有する面に形成したことを特徴と
する曲げ試験装置に係るものである。A bending test apparatus 2 for measuring a bending strength of the DUT 1 by pressing a predetermined portion X of the DUT 1 with a pressing portion 3, wherein the predetermined portion X of the DUT 1 is inclined. In the case of the surface 1a, a pressing body 5 is provided at the distal end of the pressing portion 3, and the frictional force that cancels the force in the direction along the inclined surface 1a, which is a component of the pressing force by the pressing portion 3, is applied to the distal end surface of the pressing body 5. The present invention relates to a bending test apparatus formed on a surface having a friction coefficient to be generated.
【０００９】請求項１記載の曲げ試験装置において、押
圧体５の先端面を押圧部３による押圧力の分力である傾
斜面１ａに沿う方向の力を打ち消す摩擦力を生じさせる
摩擦係数を有する傾斜面５ａに形成したことを特徴とす
る曲げ試験装置に係るものである。The bending test apparatus according to the first aspect has a friction coefficient for generating a frictional force for canceling a force in the direction along the inclined surface 1a, which is a component of the pressing force of the pressing portion 3 against the distal end surface of the pressing body 5. The present invention relates to a bending test device formed on the inclined surface 5a.
【００１０】被測定物１の所定部位Ｘを押圧部３により
押圧することで該被測定物１の曲げ強さを測定する曲げ
試験装置２であって、被測定物１の所定部位Ｘが傾斜面
１ａの場合において、被測定物１の所定部位Ｘに押圧部
３が嵌入する凹部１ｂを設けたことを特徴とする曲げ試
験装置に係るものである。A bending test apparatus 2 for measuring a bending strength of a DUT 1 by pressing a predetermined portion X of the DUT 1 with a pressing portion 3, wherein the predetermined portion X of the DUT 1 is inclined. In the case of the surface 1a, the present invention relates to a bending test device characterized in that a concave portion 1b in which the pressing portion 3 is fitted into a predetermined portion X of the DUT 1 is provided.
【００１１】被測定物１の所定部位Ｘを押圧部３により
押圧することで該被測定物１の曲げ強さを測定する曲げ
試験装置２であって、被測定物１の所定部位Ｘが傾斜面
１ａの場合において、被測定物１の所定部位Ｘに押圧部
３が嵌入する凹部４ａを形成した被押圧体４を設けたこ
とを特徴とする曲げ試験装置に係るものである。A bending test apparatus 2 for measuring a bending strength of the DUT 1 by pressing a predetermined portion X of the DUT 1 with a pressing portion 3, wherein the predetermined portion X of the DUT 1 is inclined. The present invention relates to a bending test apparatus characterized in that, in the case of the surface 1a, a pressed body 4 having a concave portion 4a in which the pressing portion 3 is fitted is provided in a predetermined portion X of the DUT 1.
【００１２】請求項３，４いずれか１項記載の曲げ試験
装置において、押圧部３として円筒体若しくは円柱体を
採用し、凹部１ｂ，４ａとして前記円筒体若しくは円柱
体が嵌合する断面半円状の凹部１ｂ，４ａを採用したこ
とを特徴とする曲げ試験装置に係るものである。A bending test apparatus according to any one of claims 3 and 4, wherein a cylindrical body or a cylindrical body is employed as the pressing portion 3, and the cylindrical body or the cylindrical body is fitted as the concave portions 1b and 4a. The present invention relates to a bending test apparatus characterized by employing concave portions 1b and 4a in a shape of a circle.
【００１３】[0013]
【作用】被測定物１の所定部位Ｘが傾斜面１ａであって
も曲げ試験装置２の押圧部３は該傾斜面１ａに沿って摺
動しない。The pressing portion 3 of the bending test apparatus 2 does not slide along the inclined surface 1a even if the predetermined portion X of the DUT 1 is the inclined surface 1a.
【００１４】[0014]
【実施例】図３は第一実施例、図４は第二実施例、図５
は第三実施例を図示したもので、以下に説明する。FIG. 3 shows the first embodiment, FIG. 4 shows the second embodiment, and FIG.
Illustrates a third embodiment, which will be described below.
【００１５】押圧部３は図１に図示した公知の曲げ試験
装置２に連設され、油圧等の適宜な手段により突没する
押圧部である。The pressing portion 3 is a pressing portion connected to the known bending test apparatus 2 shown in FIG. 1 and protruding and retracting by appropriate means such as hydraulic pressure.
【００１６】図３に係る第一実施例について説明する。A first embodiment according to FIG. 3 will be described.
【００１７】第一実施例の被測定物１は図６に図示した
Ｌ字型コンクリートブロックであって、縦部１'には複
数本の突条が縦設され、この突条の表面は傾斜面１ａに
形成されている。The DUT 1 of the first embodiment is an L-shaped concrete block shown in FIG. 6, and a plurality of ridges are vertically provided on a vertical portion 1 ', and the surface of the ridge is inclined. It is formed on the surface 1a.
【００１８】符号５は押圧部３と被測定物１の所定部位
Ｘとの間に介存される金属製の押圧体であって、押圧部
３の先端に枢着取付部６を介して連設されている。この
押圧体５は先端面がＬ字型コンクリートブロックの突条
の傾斜面１ａに合致する傾斜面５ａに形成されている。
従って、押圧部３の水平押圧が確保される。この傾斜面
５ａはヤスリ面に形成され、このヤスリ面の摩擦係数は
押圧部３の押圧力の分力である該押圧体５を傾斜面１ａ
に沿って上方へ摺動させようとする力とつり合うような
摩擦係数に設定されている。Reference numeral 5 denotes a metal pressing member interposed between the pressing portion 3 and a predetermined portion X of the device under test 1, and is connected to the tip of the pressing portion 3 via a pivot mounting portion 6. Has been established. The pressing body 5 is formed on an inclined surface 5a whose tip surface matches the inclined surface 1a of the ridge of the L-shaped concrete block.
Therefore, horizontal pressing of the pressing portion 3 is ensured. The inclined surface 5a is formed on a filed surface, and the friction coefficient of the filed surface is a component of the pressing force of the pressing portion 3.
The friction coefficient is set so as to balance the force of sliding upward along.
【００１９】従って、この押圧体５を使用して被測定物
１の所定部位Ｘを水平に押圧すると、押圧部３が上方へ
摺動することはない為、正確な曲げ強さ試験が行われる
ことになる。Therefore, when the predetermined portion X of the DUT 1 is pressed horizontally using the pressing body 5, the pressing portion 3 does not slide upward, so that an accurate bending strength test is performed. Will be.
【００２０】図４に係る第二実施例について説明する。A second embodiment according to FIG. 4 will be described.
【００２１】第二実施例は上記第一実施例と同様押圧部
３がＬ字型コンクリートブロックの突条の傾斜面１ａに
沿って上方に摺動しないように該傾斜面１ａに押圧部３
の断面円形の先端が嵌入される断面半円状の凹部１ｂを
形成した場合で、その余は上記第一実施例と同様であ
る。In the second embodiment, similarly to the first embodiment, the pressing portion 3 is provided on the inclined surface 1a so as not to slide upward along the inclined surface 1a of the ridge of the L-shaped concrete block.
In this case, a recessed portion 1b having a semicircular cross-section into which the tip of the circular cross-section is fitted is formed, and the rest is the same as in the first embodiment.
【００２２】図５に係る第三実施例について説明する。A third embodiment according to FIG. 5 will be described.
【００２３】第三実施例は、Ｌ字型コンクリートブロッ
クの突条の傾斜面１ａに、前面に押圧部３の断面円形の
先端が嵌入される断面半円状の凹部４ａを形成し後面に
該傾斜面１ａと合致する傾斜面を形成した被押圧体４を
接着した場合で、その余は上記第一実施例と同様であ
る。In the third embodiment, a concave portion 4a having a semicircular cross section into which a circular cross section of the pressing portion 3 is fitted is formed on the front surface of the inclined surface 1a of the ridge of the L-shaped concrete block. In the case where the pressed body 4 having an inclined surface that matches the inclined surface 1a is bonded, the rest is the same as in the first embodiment.
【００２４】[0024]
【発明の効果】本発明は上述のように構成したから、正
確な曲げ試験を行い得る秀れた曲げ試験装置となる。Since the present invention is constructed as described above, it is an excellent bending test apparatus capable of performing an accurate bending test.
【図１】従来例の説明正面図である。FIG. 1 is an explanatory front view of a conventional example.
【図２】従来例の説明図である。FIG. 2 is an explanatory diagram of a conventional example.
【図３】本実施例の要部の正面図である。FIG. 3 is a front view of a main part of the embodiment.
【図４】別例の要部の正面図である。FIG. 4 is a front view of a main part of another example.
【図５】別例の要部の正面図である。FIG. 5 is a front view of a main part of another example.
【図６】Ｌ字型コンクリートブロックの斜視図である。FIG. 6 is a perspective view of an L-shaped concrete block.
Ｘ 所定部位 １ 被測定物 １ａ 傾斜面 １ｂ 凹部 ２ 曲げ試験装置 ３ 押圧部 ４ 被押圧体 ４ａ 凹部 ５ 押圧体 ５ａ 傾斜面 X Predetermined part 1 Object to be measured 1a Inclined surface 1b Concave portion 2 Bending tester 3 Pressing unit 4 Pressed object 4a Concave 5 Pressed object 5a Inclined surface
Claims (5)
り押圧することで該被測定物１の曲げ強さを測定する曲
げ試験装置２であって、被測定物１の所定部位Ｘが傾斜
面１ａの場合において、押圧部３の先端に押圧体５を設
け、この押圧体５の先端面を押圧部３による押圧力の分
力である傾斜面１ａに沿う方向の力を打ち消す摩擦力を
生じさせる摩擦係数を有する面に形成したことを特徴と
する曲げ試験装置。A bending test apparatus (2) for measuring a bending strength of an object (1) by pressing a predetermined part (X) of the object (1) by a pressing part (3). Is a sloping surface 1a, a pressing body 5 is provided at the tip of the pressing part 3, and the tip of the pressing body 5 cancels the force in the direction along the sloping surface 1a, which is a component force of the pressing force by the pressing part 3. A bending test device formed on a surface having a friction coefficient that generates a force.
押圧体５の先端面を押圧部３による押圧力の分力である
傾斜面１ａに沿う方向の力を打ち消す摩擦力を生じさせ
る摩擦係数を有する傾斜面５ａに形成したことを特徴と
する曲げ試験装置。2. The bending test apparatus according to claim 1 , wherein
A bending test characterized in that the distal end surface of the pressing body 5 is formed on an inclined surface 5a having a friction coefficient that generates a frictional force for canceling a force in a direction along the inclined surface 1a, which is a component of the pressing force of the pressing portion 3. apparatus.
り押圧することで該被測定物１の曲げ強さを測定する曲
げ試験装置２であって、被測定物１の所定部位Ｘが傾斜
面１ａの場合において、被測定物１の所定部位Ｘに押圧
部３が嵌入する凹部１ｂを設けたことを特徴とする曲げ
試験装置。3. A bending test apparatus 2 for measuring a bending strength of a device under test 1 by pressing a predetermined portion X of the device under test 1 by a pressing portion 3, wherein the predetermined portion X of the device 1 under test is measured. A bending test apparatus characterized in that a concave portion 1b in which the pressing portion 3 is fitted is provided in a predetermined portion X of the device under test 1 when is an inclined surface 1a.
り押圧することで該被測定物１の曲げ強さを測定する曲
げ試験装置２であって、被測定物１の所定部位Ｘが傾斜
面１ａの場合において、被測定物１の所定部位Ｘに押圧
部３が嵌入する凹部４ａを形成した被押圧体４を設けた
ことを特徴とする曲げ試験装置。4. A bending test apparatus 2 for measuring a bending strength of a device under test 1 by pressing a predetermined portion X of the device under test 1 by a pressing portion 3, wherein the predetermined portion X of the device under test 1 is measured. A bending test apparatus comprising: a pressurized body 4 having a concave portion 4a into which a pressing portion 3 is fitted in a predetermined portion X of a DUT 1 in a case where is an inclined surface 1a.
験装置において、押圧部３として円筒体若しくは円柱体
を採用し、凹部１ｂ，４ａとして前記円筒体若しくは円
柱体が嵌合する断面半円状の凹部１ｂ，４ａを採用した
ことを特徴とする曲げ試験装置。5. A bending test apparatus of any one of claims 3 and 4, employs a cylindrical body or cylinder as the pressing unit 3, the cylindrical body or cylinder recess 1b, as 4a is fitted section A bending test apparatus comprising semicircular concave portions 1b and 4a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6267479A JP2784634B2 (en) | 1994-10-31 | 1994-10-31 | Bending test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6267479A JP2784634B2 (en) | 1994-10-31 | 1994-10-31 | Bending test equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08128933A JPH08128933A (en) | 1996-05-21 |
| JP2784634B2 true JP2784634B2 (en) | 1998-08-06 |
Family
ID=17445422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6267479A Expired - Fee Related JP2784634B2 (en) | 1994-10-31 | 1994-10-31 | Bending test equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2784634B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359768A (en) * | 2014-10-24 | 2015-02-18 | 天津大学 | Testing device for flexural property of concrete beam at ultralow temperature |
| CN117571519B (en) * | 2024-01-17 | 2024-04-16 | 潍坊新星标签制品有限公司 | RFID label folding endurance testing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2597391Y2 (en) * | 1992-09-11 | 1999-07-05 | 昭平 堤口 | Horizontal load testing machine |
-
1994
- 1994-10-31 JP JP6267479A patent/JP2784634B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08128933A (en) | 1996-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |