JPS5636039A - Elevating device for crosshead in material tester - Google Patents
Elevating device for crosshead in material testerInfo
- Publication number
- JPS5636039A JPS5636039A JP11220179A JP11220179A JPS5636039A JP S5636039 A JPS5636039 A JP S5636039A JP 11220179 A JP11220179 A JP 11220179A JP 11220179 A JP11220179 A JP 11220179A JP S5636039 A JPS5636039 A JP S5636039A
- Authority
- JP
- Japan
- Prior art keywords
- crosshead
- friction
- crossheads
- struts
- fixed
- 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.)
- Granted
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
PURPOSE: To enable setting of the central position of a tested piece at a fixed height even when the length thereof is varied by a method wherein upper and lower crossheads are made independent and elevatable respectively and positions thereof are set by friction clamps.
CONSTITUTION: Upper and lower crossheads 4 and 3 are connected with a fixed bed 1 or a table 2 which is movable up and down so as to approach and leave the fixed bed 1 and to which the testing load is applied, by a pair of vertical struts 5 and 6, respectively. Furthermore, hydraulic jacks 11 and 12 are provided for connecting struts 5 and 6, thus each of crossheads 3 and 4 being constituted in an independent and elevatable fashion. In addition, a friction clamp mechanism 13 is provided on the lower crosshead 3, while another friction clamp mechanism 14 being provided on the upper crosshead 4, and, after the heads 3 and 4 are elevated or lowered repspectively, the struts 5 and 6 are clamped through friction by these mechanisms, thereby the heads 3 and 4 are fixed to the set positions.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11220179A JPS5636039A (en) | 1979-08-31 | 1979-08-31 | Elevating device for crosshead in material tester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11220179A JPS5636039A (en) | 1979-08-31 | 1979-08-31 | Elevating device for crosshead in material tester |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5636039A true JPS5636039A (en) | 1981-04-09 |
JPS6161336B2 JPS6161336B2 (en) | 1986-12-25 |
Family
ID=14580780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11220179A Granted JPS5636039A (en) | 1979-08-31 | 1979-08-31 | Elevating device for crosshead in material tester |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5636039A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4627293A (en) * | 1985-10-03 | 1986-12-09 | Metriguard, Inc. | Apparatus for tension testing of lumber |
JPS6219735A (en) * | 1985-07-17 | 1987-01-28 | Shimadzu Corp | Material testing machine |
-
1979
- 1979-08-31 JP JP11220179A patent/JPS5636039A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6219735A (en) * | 1985-07-17 | 1987-01-28 | Shimadzu Corp | Material testing machine |
US4627293A (en) * | 1985-10-03 | 1986-12-09 | Metriguard, Inc. | Apparatus for tension testing of lumber |
Also Published As
Publication number | Publication date |
---|---|
JPS6161336B2 (en) | 1986-12-25 |
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