JPS635448U

JPS635448U -

Info

Publication number: JPS635448U
Application number: JP9995586U
Authority: JP
Priority date: 1986-06-30
Filing date: 1986-06-30
Publication date: 1988-01-14

Description

[Brief explanation of the drawing]

第１図は本考案による材料試験機のつかみ装置
の一実施例を示す一部欠截縦断面図、第２図は湾
曲試験片を把持した状態を示す説明図、第３図は
つかみ装置の他の実施例を示す断面図である。１……つかみ枠、２……液圧シリンダ装置、３
……シリンダ、４……ピストン、５……ピストン
ロツド、１０……ラジアル軸受、１５……つかみ
体、１６……スラスト軸受、１８……湾曲試験片
、１９……試験荷重の作用線。 Fig. 1 is a partially cutaway vertical sectional view showing an embodiment of the gripping device of the material testing machine according to the present invention, Fig. 2 is an explanatory view showing a state in which a curved test piece is gripped, and Fig. 3 is an illustration of the gripping device. FIG. 7 is a sectional view showing another embodiment. 1... Grasp frame, 2... Hydraulic cylinder device, 3
... cylinder, 4 ... piston, 5 ... piston rod, 10 ... radial bearing, 15 ... gripping body, 16 ... thrust bearing, 18 ... curved test piece, 19 ... line of action of test load.

Claims

[Claims for Utility Model Registration] 1. A pair of hydraulic cylinder devices capable of gripping a test piece are provided in the grip frame of a material testing machine, and the tip of a piston rod of the hydraulic cylinder device is rotatable relative to the rod. A gripping device for a material testing machine, characterized in that a gripping body is provided on the holder. 2. The utility model registered in claim 1, wherein the gripping body is formed of a gripping part and a shaft part, and the shaft part is fitted into a holding hole drilled in the piston rod via a radial bearing. Grasping device of the material testing machine described. 3. The gripping device for a material testing machine according to claim 1, wherein the gripping body is formed in a crown shape and is crowned on the tip of the piston rod via a radial bearing.