JPH02128558U - - Google Patents
Info
- Publication number
- JPH02128558U JPH02128558U JP3710689U JP3710689U JPH02128558U JP H02128558 U JPH02128558 U JP H02128558U JP 3710689 U JP3710689 U JP 3710689U JP 3710689 U JP3710689 U JP 3710689U JP H02128558 U JPH02128558 U JP H02128558U
- Authority
- JP
- Japan
- Prior art keywords
- test piece
- spring collet
- bending fatigue
- cylindrical hole
- shaft
- 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.)
- Pending
Links
- 238000005452 bending Methods 0.000 claims description 4
- 238000009661 fatigue test Methods 0.000 claims 2
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
第１図は本考案による回転曲げ疲れ試験機の把
持機構を示す正面断面図、第２図は本実施例にお
ける回転軸とコレツトチヤツク機構の詳細を示す
断面図、第３図は従来の回転曲げ疲れ試験機の一
部を示す断面図である。
９：試験片、２０：基台、２１：回転軸、２３
：ブラケツト、２５：支点用軸受、２８：力点用
軸受、３１：円筒孔、３２：コレツト、３４：ド
ローボルト、３５：締付ナツト。
Fig. 1 is a front sectional view showing the gripping mechanism of the rotary bending fatigue tester according to the present invention, Fig. 2 is a sectional view showing details of the rotating shaft and collect chuck mechanism in this embodiment, and Fig. 3 is a conventional rotary bending fatigue tester. It is a sectional view showing a part of a testing machine. 9: Test piece, 20: Base, 21: Rotating shaft, 23
: Bracket, 25: Bearing for fulcrum, 28: Bearing for force point, 31: Cylindrical hole, 32: Collet, 34: Draw bolt, 35: Tightening nut.
Claims (1)
片を把持し、両回転軸の先端部にモーメント荷重
を与えながら試験片を回転させる回転曲げ疲れ試
験機において、前記把持機構は、前記回転軸の先
端部側に形成したテーパ付きの円筒孔と、各回転
軸の円筒孔内に回り止め可能にかつ同芯に嵌合さ
れた試験片把持用のスプリングコレツトと、前記
各回転軸内にその後端側から挿入され前記スプリ
ングコレツトと接続されて該スプリングコレツト
を進退する接続軸と、この接続軸を回転軸の後方
から操作する操作手段とを具備することを特徴と
する回転曲げ疲れ試験機。 In a rotary bending fatigue testing machine in which a gripping mechanism grips a test piece between a pair of opposing rotating shafts and rotates the test piece while applying a moment load to the tips of both rotating shafts, the gripping mechanism A tapered cylindrical hole is formed on the tip side, a spring collet for gripping the test piece is fitted concentrically with the cylindrical hole of each rotary shaft so as to prevent rotation, and A rotary bending fatigue test characterized by comprising a connecting shaft that is inserted from the end side and connected to the spring collet to move forward and backward through the spring collet, and an operating means that operates the connecting shaft from behind the rotating shaft. Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3710689U JPH02128558U (en) | 1989-03-29 | 1989-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3710689U JPH02128558U (en) | 1989-03-29 | 1989-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02128558U true JPH02128558U (en) | 1990-10-23 |
Family
ID=31543918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3710689U Pending JPH02128558U (en) | 1989-03-29 | 1989-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02128558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102241611B1 (en) * | 2019-11-22 | 2021-04-16 | 동의대학교 산학협력단 | Weight holder detachable bushing and Cantilever rotational bending fatigue tester comprising thereof |
-
1989
- 1989-03-29 JP JP3710689U patent/JPH02128558U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102241611B1 (en) * | 2019-11-22 | 2021-04-16 | 동의대학교 산학협력단 | Weight holder detachable bushing and Cantilever rotational bending fatigue tester comprising thereof |
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