JPH01141894U - - Google Patents
Info
- Publication number
- JPH01141894U JPH01141894U JP3501788U JP3501788U JPH01141894U JP H01141894 U JPH01141894 U JP H01141894U JP 3501788 U JP3501788 U JP 3501788U JP 3501788 U JP3501788 U JP 3501788U JP H01141894 U JPH01141894 U JP H01141894U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- column
- lining plate
- opening
- inner column
- 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
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は、本考案の開閉装置を用いた押管、敷
設作業を説明する側面図、第２図は、同正面図、
第３図は、伸縮管の伸縮機構を説明する概略図、
第４図は、立坑開口部を開いた状態を示す側面概
略図、第５図は、同正面概略図、第６図は、従来
の押管、敷設工事を説明する概略図である。
１……立坑、１１……立坑開口部、２……伸縮
管、２１……外柱、２２……内柱、３……昇降ジ
ヤツキ、５……覆工板。
Fig. 1 is a side view illustrating a push pipe and laying work using the opening/closing device of the present invention, Fig. 2 is a front view of the same,
FIG. 3 is a schematic diagram illustrating the expansion and contraction mechanism of the expansion and contraction tube;
FIG. 4 is a schematic side view showing the shaft opening in an open state, FIG. 5 is a schematic front view thereof, and FIG. 6 is a schematic diagram illustrating a conventional push pipe and construction work. 1... Shaft, 11... Shaft opening, 2... Expandable pipe, 21... Outer column, 22... Inner column, 3... Lifting jack, 5... Lining plate.
Claims (1)
該内柱の上部に覆工板を取付けたものであつて、 前記伸縮柱の内柱を昇降ジヤツキにより伸長さ
せて覆工板を上昇させるとともに前記立坑の地上
開口部を開き、同内柱を縮小させて覆工板を下降
させるとともに、該立坑の地上開口部を閉じるこ
とを特徴とする立坑地上開口部の開閉装置。[Scope of claim for utility model registration] A telescopic column consisting of an inner column and an outer column is erected in a shaft,
A lining plate is attached to the upper part of the inner column, and the inner column of the telescoping column is extended by a lifting jack to raise the lining plate, and at the same time, the above-ground opening of the shaft is opened, and the inner column is raised. An opening/closing device for an above-ground shaft opening, characterized in that the above-ground opening of the shaft is closed by reducing the lining plate and lowering the lining plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988035017U JPH0426556Y2 (en) | 1988-03-16 | 1988-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988035017U JPH0426556Y2 (en) | 1988-03-16 | 1988-03-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01141894U true JPH01141894U (en) | 1989-09-28 |
| JPH0426556Y2 JPH0426556Y2 (en) | 1992-06-25 |
Family
ID=31261676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988035017U Expired JPH0426556Y2 (en) | 1988-03-16 | 1988-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426556Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59123079U (en) * | 1983-02-07 | 1984-08-18 | 関東電気工事株式会社 | Street retractable gantry crane |
| JPS617999A (en) * | 1984-06-21 | 1986-01-14 | 株式会社日本自動車部品総合研究所 | Return path notifier for running vehicle |
| JPH0426556U (en) * | 1990-06-26 | 1992-03-03 |
-
1988
- 1988-03-16 JP JP1988035017U patent/JPH0426556Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59123079U (en) * | 1983-02-07 | 1984-08-18 | 関東電気工事株式会社 | Street retractable gantry crane |
| JPS617999A (en) * | 1984-06-21 | 1986-01-14 | 株式会社日本自動車部品総合研究所 | Return path notifier for running vehicle |
| JPH0426556U (en) * | 1990-06-26 | 1992-03-03 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0426556Y2 (en) | 1992-06-25 |