JPH0417494U - - Google Patents
Info
- Publication number
- JPH0417494U JPH0417494U JP5729090U JP5729090U JPH0417494U JP H0417494 U JPH0417494 U JP H0417494U JP 5729090 U JP5729090 U JP 5729090U JP 5729090 U JP5729090 U JP 5729090U JP H0417494 U JPH0417494 U JP H0417494U
- Authority
- JP
- Japan
- Prior art keywords
- spreader
- shield jack
- parallel
- shield
- spherical
- 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
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図、第２図は本考案の一実施例に関し、第
１図はシールドジヤツキのロツド端部とスプレツ
ダ部分の横断面図、第２図は第１図のＡ−Ａ矢視
断面図である。第３図は従来のシールド掘削機の
断面図、第４図は第３図中従来のスプレツダ部分
をシールドジヤツキと共に拡大して示す断面図で
ある。
図面中、５はシールドジヤツキ、９はセグメン
ト、１３はロツド、１４は金具、１５は球面受け
部材、１７はガイド板、１８は押え金具、２０は
スプレツダ、２０Ａはスプレツダ本体、２１は平
行２面、２２は球面座である。
Figures 1 and 2 relate to an embodiment of the present invention; Figure 1 is a cross-sectional view of the rod end and spreader portion of the shield jack; Figure 2 is a cross-sectional view taken along the line A-A in Figure 1; It is. FIG. 3 is a sectional view of a conventional shield excavator, and FIG. 4 is an enlarged sectional view of the conventional spreader portion in FIG. 3 together with a shield jack. In the drawings, 5 is a shield jack, 9 is a segment, 13 is a rod, 14 is a metal fitting, 15 is a spherical receiving member, 17 is a guide plate, 18 is a holding fitting, 20 is a spreader, 20A is a spreader body, and 21 is a parallel 2 The surface 22 is a spherical seat.
Claims (1)
部に取付けられ、平行な２面が形成されている球
面座と、この球面座に嵌合された球面受け部材を
有するスプレツダ本体と、球面座の平行２面側に
対して隙間をもつて、平行に、スプレツダ本体に
取付けられたガイド板とを具備することを特徴と
するシールドジヤツキのスプレツダ。 A spherical seat is attached to the rod end of a shield jack of a shield excavator, and has two parallel surfaces, a spherical receiving member fitted to the spherical seat, and a spreader body with two parallel surfaces. A spreader for a shield jack, characterized by comprising a guide plate attached to a main body of the spreader parallel to the surface side with a gap therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5729090U JPH0716798Y2 (en) | 1990-06-01 | 1990-06-01 | Shield jack spreader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5729090U JPH0716798Y2 (en) | 1990-06-01 | 1990-06-01 | Shield jack spreader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0417494U true JPH0417494U (en) | 1992-02-13 |
| JPH0716798Y2 JPH0716798Y2 (en) | 1995-04-19 |
Family
ID=31581867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5729090U Expired - Lifetime JPH0716798Y2 (en) | 1990-06-01 | 1990-06-01 | Shield jack spreader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0716798Y2 (en) |
-
1990
- 1990-06-01 JP JP5729090U patent/JPH0716798Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0716798Y2 (en) | 1995-04-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |