JPS63188544U

JPS63188544U -

Info

Publication number: JPS63188544U
Application number: JP7874287U
Authority: JP
Priority date: 1987-05-27
Filing date: 1987-05-27
Publication date: 1988-12-02

Description

[Brief explanation of the drawing]

第１図はこの考案のチヤツク装置の１実施態様
を示す平面図、第２図は同第１図のＡ−Ａ線断面
図、第３図は従来の片付きチヤツク装置の１例を
示す平面図、第４図は同第３図のＢ−Ｂ線断面図
、第５図は従来のねじ付きチヤツク装置の１例を
示す平面図、第６図は同第５図のＣ−Ｃ線断面図
である。図面において、１……チヤツク装置、２……第１治具、３……
第２治具、３ａ……ねじ孔、４……ナツト、４ａ
……ねじ孔、４ｂ……傾斜面、５……ボルト、６
……試験片、６ａ……ねじ山、６ｂ……端部、６
ｃ……螺合部の端部、７……試験片、７ａ……フ
ランジ、８……第１治具、９……第２治具、１０
……ボルト、１１……隙間、１２……試験片、１
２ａ……端部、１２ｂ……ねじ山、１２ｃ……端
面、１３……第１治具、１４……第２治具、１５
……ボルト、１６……隙間。 Fig. 1 is a plan view showing one embodiment of the chuck device of this invention, Fig. 2 is a sectional view taken along the line A-A in Fig. 1, and Fig. 3 is a plan view showing an example of a conventional single chuck device. , FIG. 4 is a sectional view taken along the line B-B in FIG. 3, FIG. 5 is a plan view showing an example of a conventional screw chuck device, and FIG. 6 is a sectional view taken along the line C-C in FIG. 5. It is. In the drawings, 1... chuck device, 2... first jig, 3...
Second jig, 3a...Screw hole, 4...Nut, 4a
...Screw hole, 4b...Slanted surface, 5...Bolt, 6
...Test piece, 6a... Thread, 6b... End, 6
c...End of threaded part, 7...Test piece, 7a...Flange, 8...First jig, 9...Second jig, 10
... Bolt, 11 ... Gap, 12 ... Test piece, 1
2a... end, 12b... thread, 12c... end face, 13... first jig, 14... second jig, 15
...Bolt, 16...Gap.

Claims

[Scope of utility model registration request]

A first jig with a circular cross section and a circular recess in the center, which is provided on the upper end surface of the ram of the fatigue testing machine, and the ends of a round bar-shaped test piece having screws on the outer peripheral surface of both ends are screwed together. a circular plate having the same diameter as the first jig, the disk having a screw hole in its center, and a circular convex portion on its lower end surface that fits into a circular recess provided on the upper end surface of the first jig; a second jig having a shape, the lower end surface of which overlaps the upper end surface of the second jig, the center of which has a screw hole into which the end of the test piece is screwed; a plurality of nuts for fixing the first jig and the second jig; A chuck device for a fatigue testing machine characterized by consisting of a bolt.