JPS6135940U - Backflow prevention device for injection stirring type ground improvement machine - Google Patents

Backflow prevention device for injection stirring type ground improvement machine

Info

Publication number
JPS6135940U
JPS6135940U JP11920584U JP11920584U JPS6135940U JP S6135940 U JPS6135940 U JP S6135940U JP 11920584 U JP11920584 U JP 11920584U JP 11920584 U JP11920584 U JP 11920584U JP S6135940 U JPS6135940 U JP S6135940U
Authority
JP
Japan
Prior art keywords
backflow prevention
injection
prevention device
improvement machine
ground improvement
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.)
Pending
Application number
JP11920584U
Other languages
Japanese (ja)
Inventor
誠 元古
Original Assignee
株式会社神戸製鋼所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社神戸製鋼所 filed Critical 株式会社神戸製鋼所
Priority to JP11920584U priority Critical patent/JPS6135940U/en
Publication of JPS6135940U publication Critical patent/JPS6135940U/en
Pending legal-status Critical Current

Links

Landscapes

  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

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

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

第１図は本考案の第１実施例を示す要部の断面図、第２
図はその改良材の噴射状態を示す要部の断面図、第３図
は本考案の第２実施例を示す要部の断面図、第４図はそ
のＴＶ−ＩＶ線断面図、第５図は従来の地盤改良機を示
す概略説明図である。 １・・・攪拌軸、２・・・攪拌翼、３・・・改良材供給
通路、４・・・噴射口、５・・・逆流防止弁。Fig. 1 is a cross-sectional view of the main parts showing the first embodiment of the present invention;
The figure is a sectional view of the main part showing the injection state of the improved material, Fig. 3 is a sectional view of the main part showing the second embodiment of the present invention, Fig. 4 is a sectional view taken along the line TV-IV, and Fig. 5 is a schematic explanatory diagram showing a conventional ground improvement machine. DESCRIPTION OF SYMBOLS 1... Stirring shaft, 2... Stirring blade, 3... Improved material supply passage, 4... Injection port, 5... Backflow prevention valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内部に地盤改良材の供給通路を有し、先端に地盤改良材
の噴射口および攪拌翼を設けた攪拌軸を回転ならひに昇
降自在に装備してなる噴射攪拌式地盤改良機において、
前記攬拌軸の噴射口の内側に、前記供給通路から噴射口
への改良材の噴射を許容し、かつ、噴射口から供給通路
側への土等の侵入を防止する逆流防止弁を設けてなるこ
とを特徴とする噴射攪拌式地盤改良機の逆流防止装置。In an injection stirring type soil improvement machine, which has a supply passage for soil improvement material inside, and is equipped with a stirring shaft having a soil improvement material injection port and stirring blades at the tip, which can be raised and lowered as it rotates,
A backflow prevention valve is provided inside the injection port of the stirring shaft to allow injection of the improvement material from the supply passage to the injection port and to prevent soil, etc. from entering from the injection port to the supply passage side. A backflow prevention device for an injection agitation type ground improvement machine that is characterized by:
JP11920584U 1984-07-31 1984-07-31 Backflow prevention device for injection stirring type ground improvement machine Pending JPS6135940U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11920584U JPS6135940U (en) 1984-07-31 1984-07-31 Backflow prevention device for injection stirring type ground improvement machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11920584U JPS6135940U (en) 1984-07-31 1984-07-31 Backflow prevention device for injection stirring type ground improvement machine

Publications (1)

Publication Number Publication Date
JPS6135940U true JPS6135940U (en) 1986-03-05

Family

ID=30678086

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11920584U Pending JPS6135940U (en) 1984-07-31 1984-07-31 Backflow prevention device for injection stirring type ground improvement machine

Country Status (1)

Country Link
JP (1) JPS6135940U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH105737A (en) * 1996-06-26 1998-01-13 Taisei Corp Method for execution of soil remediation and device therefor
JP2013234461A (en) * 2012-05-08 2013-11-21 Masaomi Kawamorita Soil improving tool

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5681714A (en) * 1979-12-07 1981-07-04 Toyo Kensetsu Kk Deep layer mixing processing machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5681714A (en) * 1979-12-07 1981-07-04 Toyo Kensetsu Kk Deep layer mixing processing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH105737A (en) * 1996-06-26 1998-01-13 Taisei Corp Method for execution of soil remediation and device therefor
JP2013234461A (en) * 2012-05-08 2013-11-21 Masaomi Kawamorita Soil improving tool

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