JPS6350996U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本案の泥水、掘削土砂排出孔を備えた
シールド掘進機を示す側面図、第２図は第１図Ａ
―Ａ線による正面図、第３図は第１図の他の実施
例の側面図、第４図は第３図Ｂ―Ｂ線による正面
図、第５図は第１図の他の実施例の側面図、第６
図は従来の開閉装置の縦断面図である。 １……隔壁、２……排出孔、３……摺動開閉弁
、４……開閉駆動軸。 Figure 1 is a side view showing the proposed shield excavator equipped with muddy water and excavated earth discharge holes, and Figure 2 is Figure 1A.
-Front view taken along line A, FIG. 3 is a side view of another embodiment shown in FIG. 1, FIG. 4 is a front view taken along line B-B in FIG. 3, and FIG. 5 is another embodiment shown in FIG. 1. side view, No. 6
The figure is a longitudinal sectional view of a conventional switchgear. 1... Bulkhead, 2... Discharge hole, 3... Sliding opening/closing valve, 4... Opening/closing drive shaft.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シールド推進筒内に隔壁を設け、同隔壁に軸支
した回転カツターを上記推進筒の前部に設け、同
カツターと隔壁との間に切羽掘削室を設け、同室
内に泥水を供給するよう形成し、かつ上記隔壁に
泥水、掘削土砂混合物排出孔を開口し、同排出孔
に同混合物の排出管を接続してなるシールド掘進
機において、隔壁の前面に上記排出孔の摺動開閉
弁を枢支し、同開閉弁の開閉駆動軸を隔壁の後面
側に配設してなるシールド掘進機における泥水、
掘削土砂排出孔開閉装置。 A partition wall is provided in the shield propulsion tube, a rotating cutter pivotally supported by the partition wall is provided at the front of the propulsion tube, a face excavation chamber is provided between the cutter and the partition wall, and muddy water is supplied into the chamber. In a shield excavator in which a discharge hole for muddy water and excavated soil mixture is opened in the bulkhead, and a discharge pipe for the mixture is connected to the discharge hole, a sliding opening/closing valve for the discharge hole is mounted on the front surface of the bulkhead. muddy water in a shield excavator in which the opening/closing drive shaft of the opening/closing valve is arranged on the rear side of the bulkhead;
Excavated soil discharge hole opening/closing device.