JPS61121297U

JPS61121297U -

Info

Publication number: JPS61121297U
Application number: JP184285U
Authority: JP
Priority date: 1985-01-11
Filing date: 1985-01-11
Publication date: 1986-07-31

Description

[Brief explanation of the drawing]

第１図は本考案礫破砕室を備えたシールン掘進
機の一実施例を示す縦断面図、第２図はＸ―Ｘ線
横断面図である。１〜シールド掘進機本体、２〜隔壁、３〜隔壁
、４〜回転軸、５〜カツターヘツド、６〜掻上げ
板、７〜ズリ受口、８〜下部案内溝、９〜破砕動
歯、１０〜固定歯、１１〜供泥管、１２〜排泥管
、１１ａ，１２ａ〜連結口、１３〜固定ピン、Ａ
〜切羽切削部、Ｂ〜礫破砕室、Ｃ〜テール部。 FIG. 1 is a longitudinal cross-sectional view showing an embodiment of a Shirun excavator equipped with a gravel crushing chamber of the present invention, and FIG. 2 is a cross-sectional view taken along the line X--X. 1 - Shield excavator body, 2 - Partition wall, 3 - Partition wall, 4 - Rotating shaft, 5 - Cutter head, 6 - Scraping plate, 7 - Shear socket, 8 - Lower guide groove, 9 - Crushing movable tooth, 10 - Fixed tooth, 11 - Sludge supply pipe, 12 - Sludge removal pipe, 11a, 12a - Connection port, 13 - Fixed pin, A
- Face cutting part, B - Gravel crushing chamber, C - Tail part.

Claims

[Scope of Claim for Utility Model Registration] The inside of the shield excavator main body 1 is partitioned into a face cutting part A, a gravel crushing chamber B, and a tail part C by partition walls 2 and 3, and the face cutting part A has both partition walls 2, a cutter head 5 driven by a rotating shaft 4 passing through the cutter head 3;
A raking plate 6 attached to the cutter head 5 is disposed, and a sludge receptacle 7 is provided in the partition wall 2 to receive gravel-containing earth and sand raked up by the raking plate 6 into the gravel crushing chamber B. is the connection port 11 between the sludge supply pipe 11 and the sludge removal pipe 12
Further, in the gravel crushing chamber B, there is provided a lower guide groove 8 which is pivotally supported by an eccentric shaft part 4a whose upper part is arranged on the rotating shaft 4.
This shield excavator is equipped with a gravel crushing chamber formed by a crushing movable tooth 9 having a fixed pin 13 inserted therein and a fixed tooth 10 fixed to the shield excavator main body 1 side.