JPS59179892U

JPS59179892U - hydraulic jack

Info

Publication number: JPS59179892U
Application number: JP7282883U
Authority: JP
Inventors: 猪股　啓史
Original assignee: 三菱重工業株式会社
Priority date: 1983-05-16
Filing date: 1983-05-16
Publication date: 1984-12-01

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は公知の油圧ジヤツキを使用して船体ブロックを
仕事する要領を示す正面図、第２図は第１図の油圧ジヤ
ツキの頭部を示す部分拡大図、第３図は本考案を船体ブ
ロックの仕事に適用した部分正面図、第４図は第３図の
部分拡大図、第５図は第４図の平面図、第６図は第４図
の当て金の回動する様子を示す側面図である。１・・・油圧シリンダ、２・・・頭部、３・・・下管、
４・・・上管、５・・・下端内縁、６・・・面取り、７
・・・溶接、８・・・コネクション、９・・・当て金、
１０・・・板コム、３４・・・ホルダー。Fig. 1 is a front view showing how to work a hull block using a known hydraulic jack, Fig. 2 is a partially enlarged view showing the head of the hydraulic jack in Fig. 1, and Fig. 3 is a front view showing how to work a hull block using a known hydraulic jack. Fig. 4 is a partially enlarged view of Fig. 3, Fig. 5 is a plan view of Fig. 4, and Fig. 6 shows how the stopper shown in Fig. 4 rotates. FIG. 1... Hydraulic cylinder, 2... Head, 3... Lower pipe,
4... Upper pipe, 5... Lower inner edge, 6... Chamfering, 7
...Welding, 8...Connection, 9...Filling,
10... board com, 34... holder.

Claims

[Scope of utility model registration request]

An annular holder whose lower end opening is fitted onto the tip of the ram of a hydraulic jack and whose upper end opening is chamfered, and a circular holder whose upper end opening has a rubber plate attached to its upper surface and a hemispherical protrusion protruding from its lower surface. A hydraulic jack characterized by comprising a stopper placed on the holder.