JPH056521Y2 - - Google Patents
Info
- Publication number
- JPH056521Y2 JPH056521Y2 JP5487986U JP5487986U JPH056521Y2 JP H056521 Y2 JPH056521 Y2 JP H056521Y2 JP 5487986 U JP5487986 U JP 5487986U JP 5487986 U JP5487986 U JP 5487986U JP H056521 Y2 JPH056521 Y2 JP H056521Y2
- Authority
- JP
- Japan
- Prior art keywords
- wedge
- opening
- crosshead
- liner plate
- angle
- 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
- 238000012360 testing method Methods 0.000 description 14
- 239000002184 metal Substances 0.000 description 9
- 239000012209 synthetic fiber Substances 0.000 description 7
- 229920002994 synthetic fiber Polymers 0.000 description 7
- 238000009864 tensile test Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 2
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- -1 wire ropes Substances 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
【考案の詳細な説明】
Ａ 産業上の利用分野
本考案は金属製丸棒や板材、ワイヤロープ、化
繊ロープ、マニラロープ等を引張試験するに好適
なチヤツク装置に関する。[Detailed Description of the Invention] A. Field of Industrial Application The present invention relates to a chuck device suitable for tensile testing metal round bars, plate materials, wire ropes, synthetic fiber ropes, manila ropes, etc.
Ｂ 従来の技術
この種のチヤツク装置では、試料の材質によつ
てその把持力、把持長が異なるのでくさび式把持
具の形状は試験片（試料）毎に異り、例えばクロ
スヘツド内にチヤツク装置が設けられる場合、試
験片毎に異なつたクロスヘツドを用いなくてはな
らない。B. Prior Art In this type of chuck device, the gripping force and gripping length differ depending on the material of the sample, so the shape of the wedge-type gripping tool varies depending on the specimen (sample). For example, the chuck device is installed in the crosshead. If provided, a different crosshead must be used for each specimen.
第２図〜第４図は従来のチヤツク装置を備えた
クロスヘツド１の把持部を示している。第２図は
金属丸棒TP１の場合で、傾斜角θ1の開口２がク
ロスヘツド１を試験軸方向に貫設している。内側
面３１と外側面３２とが平行の一対のライナプレ
ート３で傾斜面２１を覆い、そこにくさび体４
ａ，４ｂが挿入される。くさび体４ａ，４ｂの間
にチヤツク歯５ａ，５ｂが設けられ丸棒TP１が
把持される。この場合、くさび体４ａ，４ｂは金
属丸棒TP１の端部を把持するくさび体１００を
構成し、その外側面１０１の傾斜角θ1が開口２の
傾斜角θ1と同一とされる。本明細書において、試
験軸と開口２の傾斜面２１とのなす角および試
験軸とくさび体外側面１０１とのなす傾斜角を
それぞれくさび面角度と呼ぶ。 2 to 4 show the grip of a crosshead 1 with a conventional chuck device. FIG. 2 shows the case of a metal round bar TP1, in which an opening 2 with an inclination angle θ 1 passes through the crosshead 1 in the direction of the test axis. The sloped surface 21 is covered with a pair of liner plates 3 whose inner and outer surfaces 31 and 32 are parallel, and a wedge body 4 is mounted thereon.
a and 4b are inserted. Chuck teeth 5a, 5b are provided between the wedge bodies 4a, 4b to grip the round bar TP1. In this case, the wedge bodies 4a and 4b constitute a wedge body 100 that grips the end of the metal round bar TP1, and the inclination angle θ 1 of the outer surface 101 is the same as the inclination angle θ 1 of the opening 2. In this specification, the angle between the test axis and the inclined surface 21 of the opening 2 and the angle of inclination between the test axis and the wedge body outer surface 101 are respectively referred to as wedge surface angles.
第３図は化繊ロープやマニラロープTP２の場
合で、傾斜角θ3の開口１２がクロスヘツド１１を
試験軸方向に貫設している。内側面１３１と外側
面１３２とが平行とされ内側面１３１にコロ１３
３が設けられた一対のライナプレート１３で傾斜
面１２１を覆い、そこに一対のくさび体１４ａ，
１４ｂが挿入される。更にそれらの間に対向配置
されたチヤツク歯１５ａ，１５ｂにより化繊ロー
プ等TP２が把持される。化繊ロープやマニラロ
ープの場合、つかみ代および把持力が金属製試料
に比べて大きいので、チヤツク歯１５ａ，１５ｂ
による把持長が長くされ、またくさび効果を大き
くするため、開口１２およびくさび体１００のく
さび面角度がθ3＜θ1とされる。 FIG. 3 shows the case of a synthetic fiber rope or Manila rope TP2, in which an opening 12 with an inclination angle θ 3 passes through the crosshead 11 in the direction of the test axis. The inner surface 131 and the outer surface 132 are parallel, and the rollers 13 are provided on the inner surface 131.
The inclined surface 121 is covered with a pair of liner plates 13 provided with
14b is inserted. Furthermore, chuck teeth 15a and 15b arranged oppositely between them grip the synthetic fiber rope or the like TP2. In the case of synthetic fiber ropes and manila ropes, the gripping allowance and gripping force are larger than that of metal samples, so the chuck teeth 15a and 15b are
In order to lengthen the gripping length and increase the wedge effect, the wedge surface angles of the opening 12 and the wedge body 100 are set such that θ 3 <θ 1 .
第４図はワイヤロープTP３の場合で、傾斜角
θ2の開口２２が試験軸と直交する方向にクロスヘ
ツド２１を貫設している。ワイヤロープTP２の
端部は円錐状インゴツト２６とされ、インゴツト
２６を略コ字状の一対のホルダ２４ａ，２４ｂ間
に挿入しそれを試験軸と直交する方向から開口２
２内に挿入してワイヤロープTP３が把持される。
なお、インゴツト２６は、ワイヤロープ端部のよ
り線を解きほぐして箒状にしそれを円錐状にした
ものである。 FIG. 4 shows the case of wire rope TP3, in which an opening 22 with an inclination angle θ 2 extends through the crosshead 21 in a direction perpendicular to the test axis. The end of the wire rope TP2 is formed into a conical ingot 26. The ingot 26 is inserted between a pair of approximately U-shaped holders 24a and 24b, and then inserted into the opening 2 from a direction perpendicular to the test axis.
2 and the wire rope TP3 is gripped.
The ingot 26 is made by unraveling the strands at the end of the wire rope to form a broom shape, which is then shaped into a cone shape.
Ｃ 考案が解決しようとする問題点
このため、種々の材質から成る試料を試験する
場合、専用のクロスヘツドが必要となり、設置台
数、設置スペース、保守管理まで含めて経済性が
極めて悪かつた。C. Problems that the invention aims to solve For this reason, when testing samples made of various materials, a dedicated crosshead was required, which was extremely uneconomical in terms of the number of units installed, installation space, and maintenance management.
本考案の目的は、種々の材質の試料に適したく
さび面角度のくさび体を使用可能として上述した
問題点を解消したチヤツク装置を提供することに
ある。 An object of the present invention is to provide a chuck device which can use a wedge body with a wedge face angle suitable for samples of various materials and which solves the above-mentioned problems.
Ｄ 問題点を解決するための手段
チヤツク本体の開口部にライナプレートを設置
してくさび面を形成し両くさび体にて試料を把持
させるようにするとともに、くさび面角度が異な
る複数種のライナプレートを有する。そして試料
ごとにそれに適したライナプレートを取り付け
る。D. Measures to solve the problem A liner plate is installed in the opening of the chuck body to form a wedge surface so that both wedge bodies can grip the sample, and multiple types of liner plates with different wedge surface angles are used. has. Then, attach a liner plate suitable for each sample.
Ｅ 作用
特定の試料を試験する場合には、開口部のくさ
び面角度のまま試験を行う。それ以外の試料を試
験する場合には、ライナプレートを取換え試料を
把持する。E. Effect When testing a specific sample, perform the test with the wedge surface angle of the opening unchanged. When testing other samples, replace the liner plate and grip the sample.
Ｆ 実施例
第１図ａ，ｂに本考案の一実施例を示し、ａは
材料試験機のクロスヘツドに形成された平面図、
ｂはそのｂ−ｂ線断面図である。F. Embodiment Figures 1a and 1b show an embodiment of the present invention, where a is a plan view of the crosshead of a material testing machine;
b is a sectional view taken along line bb.
チヤツク本体であるクロスヘツド３１には、化
繊ロープあるいはマニラロープに代表される繊維
ロープTP２の引張試験に適した形状の開口３２
が試験軸方向に穿設されている。この開口３２の
くさび面角度はθ3（≒８〜９度）とされ、金属丸
棒やワイヤロープに適したくさび面角度θ1（≒11
度），θ2（≒11〜13度）よりも小さい。また、引張
試験時の繊維ロープTP２の把持長を長くするた
め、開口３２の試験軸方向の長さ、換言するとク
ロスヘツド３１の厚みは金属丸棒やワイヤロープ
に適したものに比べて長くされている。 The crosshead 31, which is the main body of the chuck, has an opening 32 with a shape suitable for tensile testing of a fiber rope TP2 such as a synthetic fiber rope or Manila rope.
is drilled in the direction of the test axis. The wedge surface angle of this opening 32 is θ 3 (≒8 to 9 degrees), and the wedge surface angle θ 1 (≒11 degrees) is suitable for metal round bars and wire ropes.
degree), smaller than θ 2 (≒11 to 13 degrees). In addition, in order to increase the gripping length of the fiber rope TP2 during the tensile test, the length of the opening 32 in the test axis direction, in other words, the thickness of the crosshead 31 is made longer than those suitable for metal round bars or wire ropes. There is.
この開口３２があけられたクロスヘツド３１に
より化繊ロープTP２の引張試験を行うには、第
３図に示したライナプレート１３とくさび体１４
ａ，１４ｂを開口３２に挿入し、くさび体１４
ａ，１４ｂ間のチヤツク歯１５ａ，１５ｂで化繊
ロープTP２を把持すればよい。 To perform a tensile test on the synthetic fiber rope TP2 using the crosshead 31 with this opening 32, the liner plate 13 and wedge body 14 shown in FIG.
a, 14b into the opening 32, and the wedge body 14
The synthetic fiber rope TP2 may be gripped by chuck teeth 15a and 15b between a and 14b.
金属製の丸棒や板材TP１の引張試験を行うに
は開口３２に修正用ライナプレート４１を挿入す
る。ここで、修正用ライナプレートの外側面４１
１と内側面４１２とは相対的に（θ1−θ3）だけ傾
斜され、それら各面に連設されて引掛部４１３が
形成されている。しかして、金属製の丸棒等TP
１の引張試験に際しては、修正用ライナプレート
４１を開口３２に挿入し引掛部４１３をクロスヘ
ツド３１の上面に螺着する。これにより開口３２
のくさび面角度がθ1に修正される。修正用ライナ
プレート４１間に外周面の傾斜角、すなわちくさ
び面角度がθ1とされた一対のくさび体４ａ，４ｂ
を挿入するとともにその間に一対のチヤツク歯５
ａ，５ｂを配し、それらチヤツク歯５ａ，５ｂで
丸棒TP１を把持する。 To perform a tensile test on a metal round bar or plate material TP1, a correction liner plate 41 is inserted into the opening 32. Here, the outer surface 41 of the correction liner plate
1 and the inner surface 412 are relatively inclined by (θ 1 −θ 3 ), and a hook portion 413 is formed in series with each of these surfaces. However, metal round bars etc. TP
For the tensile test No. 1, the correction liner plate 41 is inserted into the opening 32 and the hook 413 is screwed onto the top surface of the crosshead 31. As a result, the opening 32
The wedge face angle of is corrected to θ 1 . A pair of wedge bodies 4a, 4b having an inclination angle of the outer circumferential surface, that is, a wedge surface angle of θ 1 , between the correction liner plate 41.
and a pair of chuck teeth 5 in between.
a, 5b are arranged, and the round bar TP1 is gripped by the chuck teeth 5a, 5b.
一方、ワイヤロープTP３の引張試験を行うに
は開口３２に修正用ライナプレート５１を挿入す
る。ここで、修正用ライナプレート５１の外側面
５１１と内側面５１２とは相対的に（θ2−θ3）だ
け傾斜され、それら各面に連設されて、引掛部５
１３が形成されている。また、ワイヤロープTP
３の端部は従来と同様に円錐状のインゴツト２６
とされる。その外周面の傾斜角、すなわちくさび
面角度はθ2とされる。しかして、修正用ライナプ
レート５１を開口３２に挿入して引掛係合部５１
３をクロスヘツド１の上面に螺着する。これによ
り開口３２のくさび面角度がθ2に修正される。そ
こに、インゴツト２６を挟持しくさび面角度がθ2
とされた略コ字状のホルダ２５ａ，２５ｂを挿入
してワイヤロープTP３がクロスヘツド３１に把
持される。 On the other hand, in order to perform a tensile test on the wire rope TP3, a correction liner plate 51 is inserted into the opening 32. Here, the outer surface 511 and the inner surface 512 of the correction liner plate 51 are relatively inclined by (θ 2 −θ 3 ), and the hook portion 5 is connected to each surface.
13 are formed. Also wire rope TP
The end of 3 is a conical ingot 26 as in the conventional case.
It is said that The inclination angle of the outer circumferential surface, that is, the wedge surface angle is θ 2 . Then, the liner plate 51 for correction is inserted into the opening 32, and the hook engaging portion 51 is inserted into the opening 32.
3 onto the top surface of crosshead 1. As a result, the wedge surface angle of the opening 32 is corrected to θ 2 . There, the ingot 26 is sandwiched and the wedge surface angle is θ 2
The wire rope TP3 is held by the crosshead 31 by inserting the substantially U-shaped holders 25a and 25b.
なお、開口３２に金属製丸棒や板材あるいはワ
イヤロープに適した形状にしてもよいが、その場
合、化繊ロープやマニラロープ用の修正用ライナ
プレートの長さがクロスヘツドの厚みよりも大き
くなりくさび体がクロスヘツドから突出して所望
の把持力が得られないおそれがあるが、本実施例
ではどのくさび体も開口内で修正用ライナプレー
ト間に位置するのでこのような問題は生じない。 Note that the opening 32 may have a shape suitable for metal round bars, plates, or wire ropes, but in that case, the length of the liner plate for modification for synthetic ropes or Manila ropes will be larger than the thickness of the crosshead, resulting in a wedge. However, in this embodiment, all wedge bodies are located within the opening and between the correction liner plates, so this problem does not occur.
Ｇ 考案の効果
本考案は以上のように構成したから、一台の試
験機で修正用ライナプレートを交換するだけで
種々の材質の試料を適切に把持して試験をするこ
とができる。G. Effects of the invention Since the present invention is constructed as described above, it is possible to properly grip and test samples of various materials by simply replacing the correction liner plate with one testing machine.
第１図ａ，ｂは本考案の一実施例を示し、ａは
平面図、ｂはクロスヘツドとライナプレートをａ
のｂ−ｂ線で切断して示す断面図、第２図〜第４
図は従来のくさび式つかみ具を説明する第１図ｂ
に相当する断面図である。
３１……クロスヘツド、３２……開口、４１，
５１……修正用ライナプレート、１００……くさ
び体、θ1〜θ4……くさび面角度。
Figures 1a and 1b show an embodiment of the present invention, in which a is a plan view and b is a crosshead and liner plate.
2 to 4 are cross-sectional views taken along line b-b of
The figure is Figure 1 b, which explains a conventional wedge-type grip.
FIG. 31...Crosshead, 32...Opening, 41,
51... Liner plate for correction, 100... Wedge body, θ 1 to θ 4 … Wedge surface angle.
Claims (1)
し開口部のくさび面の作用によつて両くさび体に
より試料を把持する装置において、開口部に設置
するライナプレートにて前記くさび面を形成する
とともに、くさび面角度の異なる複数個のライナ
プレートを開口部に取換できるように構成したこ
とを特徴とするチヤツク装置。 In an apparatus in which a pair of wedge bodies are inserted into an opening of a chuck body and a sample is gripped by both wedge bodies by the action of the wedge surfaces of the opening, the wedge surfaces are formed by a liner plate installed in the opening; A chuck device characterized in that a plurality of liner plates having different wedge face angles can be replaced at an opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5487986U JPH056521Y2 (en) | 1986-04-11 | 1986-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5487986U JPH056521Y2 (en) | 1986-04-11 | 1986-04-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62167144U JPS62167144U (en) | 1987-10-23 |
| JPH056521Y2 true JPH056521Y2 (en) | 1993-02-19 |
Family
ID=30882272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5487986U Expired - Lifetime JPH056521Y2 (en) | 1986-04-11 | 1986-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH056521Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4999516B2 (en) * | 2007-03-29 | 2012-08-15 | 高周波熱錬株式会社 | Chuck device and tensile test device |
-
1986
- 1986-04-11 JP JP5487986U patent/JPH056521Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62167144U (en) | 1987-10-23 |
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