JPH033632Y2 - - Google Patents
Info
- Publication number
- JPH033632Y2 JPH033632Y2 JP1985157503U JP15750385U JPH033632Y2 JP H033632 Y2 JPH033632 Y2 JP H033632Y2 JP 1985157503 U JP1985157503 U JP 1985157503U JP 15750385 U JP15750385 U JP 15750385U JP H033632 Y2 JPH033632 Y2 JP H033632Y2
- Authority
- JP
- Japan
- Prior art keywords
- rotating
- shaft
- main shaft
- slave
- rotation
- 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.)
- Expired
Links
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Description
【考案の詳細な説明】 産業上の利用分野 本考案は多軸式地盤改良装置に関する。[Detailed explanation of the idea] Industrial applications The present invention relates to a multi-axis ground improvement device.
従来技術とその問題点
従来地盤改良装置としての多軸式のものが提案
されている。この多軸式によれば施工一回当りの
改良面積が大きくなり作業能率を向上できるが、
従来方式のものは実質的に各軸が独立しており、
一軸につき一個の駆動系を必要とするので、重装
備で高価となる上に操作が複雑となるなどの欠点
があつた。Prior art and its problems A multi-shaft type ground improvement device has been proposed. With this multi-axis method, the improved area per construction can be increased and work efficiency can be improved, but
In the conventional method, each axis is virtually independent,
Since one drive system was required for each shaft, it had drawbacks such as heavy equipment, high costs, and complicated operation.
本考案はこのような従来の問題点を一掃するこ
とを目的としてなされたものである。 The present invention was made with the aim of eliminating these conventional problems.
問題点を解決するための手段
本考案は、回転駆動系としての一本の回転主軸
と該主軸を中心としてその周りの下方に配置され
た偶数本の掘削攪拌用回転従軸を含み、回転主軸
の下端部は、回転従軸の上端部に、回転伝動機構
を介して個別に連結され、上記回転従軸には改良
剤の供給系としての流体通路が備えられ、伝動機
構は正転伝動タイプと、逆転伝動タイプが交互に
配置されていることを特徴とする多軸式地盤改良
装置に係る。Means for Solving the Problems The present invention includes a rotary main shaft as a rotation drive system and an even number of rotary slave shafts for excavation stirring arranged below the main shaft as a center. The lower end of the rotary slave shaft is individually connected to the upper end of the rotary slave shaft via a rotary transmission mechanism, and the rotary slave shaft is provided with a fluid passage as a supply system for the improving agent, and the transmission mechanism is a forward rotation transmission type. and a reverse transmission type are arranged alternately.
実施例
以下に本考案の一実施を添附図面にもとづき説
明すると次の通りである。Embodiment One implementation of the present invention will be described below based on the accompanying drawings.
本考案による多軸式地盤改良装置は、回転駆動
系としての一本の回転主軸２と、該主軸２を中心
としてその下方に配置された偶数本、例えば90゜
間隔配置の４本の掘削攪拌用回転従軸１を含んで
いる。 The multi-spindle ground improvement device according to the present invention has one rotary main shaft 2 as a rotary drive system, and an even number of excavating and agitating shafts arranged below the main shaft 2, for example, four excavating agitators arranged at 90° intervals. It includes a rotating slave shaft 1 for use.
回転従軸１は、下部に掘削翼１１を、掘削翼１
１より上方に攪拌翼１２を有し、該従軸１の上端
からその内部の流体通路１３（第２〜３図参照）
に供給された改良剤を、該従軸１及び／又は攪拌
翼１２に設けられた噴口（図示せず）より掘削後
の地盤内に噴入し得るような構成になつている。
回転主軸２の下端部は、回転従軸１……の上端部
に、回転伝動機構３，３′を介して個別に連結さ
れる。 The rotating slave shaft 1 has an excavating blade 11 at the bottom thereof, and an excavating blade 1
A stirring blade 12 is provided above the slave shaft 1, and a fluid passage 13 therein extends from the upper end of the slave shaft 1 (see FIGS. 2 and 3).
The improvement agent supplied thereto can be injected into the ground after excavation through a nozzle (not shown) provided on the slave shaft 1 and/or stirring blade 12.
The lower end of the rotating main shaft 2 is individually connected to the upper end of the rotating slave shafts 1 through rotational transmission mechanisms 3, 3'.
回転伝動機構３，３′として、図には傘歯車３
１からなる構成のものが示されているが、その他
平歯車、スプロケツト、チエーンなどからなる公
知の各種方式のものを採用できる。 As the rotational transmission mechanism 3, 3', a bevel gear 3 is shown in the figure.
Although a structure consisting of 1 is shown, various other known structures including spur gears, sprockets, chains, etc. can be adopted.
回転伝動機構３，３′は正転伝動タイプ３と逆
転伝動タイプ３′が交互に配置されている。 The rotation transmission mechanisms 3, 3' are alternately arranged as a forward rotation transmission type 3 and a reverse rotation transmission type 3'.
回転伝動機構３，３′の回りに、保護ボツクス
４が備えられ、該保護ボツクス４に、回転主軸２
及び回転従軸１……が軸受け４１を介して支持さ
れている。 A protection box 4 is provided around the rotation transmission mechanism 3, 3', and the rotation main shaft 2 is placed in the protection box 4.
and a rotating slave shaft 1 . . . are supported via bearings 41 .
上述の構成を有する本考案多軸式地盤改良装置
によれば、回転主軸２の回転を、回転伝動機構
３，３′を介して回転従軸１……に伝動すると、
回転従軸１……の回転方向は第１図に矢符で示す
ように交互に逆となるので、回転従軸１に生じる
公転運動方向への反力は打消され、よつて回転従
軸１は実質的に公転運動することなしに、自転回
転のみを行う。 According to the multi-spindle ground improvement device of the present invention having the above-described configuration, when the rotation of the rotating main shaft 2 is transmitted to the rotating slave shafts 1 . . . via the rotational transmission mechanism 3, 3',
Since the rotation directions of the rotating slave shafts 1 are alternately reversed as shown by the arrows in FIG. rotates only on its own axis without actually orbiting the planet.
回転従軸１は、回転（自転）時に、掘削翼１１
及び攪拌翼１２の部分に於て地盤の抵抗を受け、
公転方向への反力を生ずる。従つて回転従軸１…
…の回転（自転）方向が同じであると、回転従軸
１……は回転しつつ公転運動を行う。この公転運
動は、回転従軸１の回転数の低下原因となり、こ
れでは所期の掘削及び攪拌機能を発揮し得なくな
る。本考案ではこのような問題を回転従軸１……
の回転方向を交互に逆にすることによつて一掃で
きる。 When the rotating slave shaft 1 rotates (rotates), the excavating blade 11
And the part of the stirring blade 12 receives resistance from the ground,
Generates a reaction force in the direction of revolution. Therefore, the rotating slave shaft 1...
... have the same rotation (autorotation) direction, the rotating slave shaft 1 ... performs a revolution movement while rotating. This orbital movement causes a decrease in the rotational speed of the rotary slave shaft 1, which makes it impossible to perform the desired excavation and stirring functions. In this invention, such problems are solved by rotating slave shaft 1...
This can be done by alternately reversing the direction of rotation.
而して本考案によれば常法通り、下降時に地盤
の掘削を、また上昇時に掘削された地盤に改良剤
を噴入して混合攪拌することにより、地盤改良の
目的を達し得る。 According to the present invention, the purpose of ground improvement can be achieved by excavating the ground during the descent and injecting and mixing the improving agent into the excavated ground during the ascent.
効 果
このように本考案装置に於ては、多軸構成であ
るに拘わらず駆動系が一系統であり、従つて軽装
備安価となる上に、操作的にも簡単となるなどの
利点が得られる。Effects As described above, the device of the present invention has a single drive system even though it has a multi-axis configuration, so it has the advantages of being light and inexpensive, as well as being easy to operate. can get.
第１図は本考案の一実施例を示す平面図、第２
図は第１図の中央縦断面図、第３図は同中央縦断
側面図である。
図に於て、１は回転従軸、２は回転主軸、３，
３′は回転伝動機構、４は保護ボツクスである。
Figure 1 is a plan view showing one embodiment of the present invention;
The figure is a longitudinal cross-sectional view of the center of FIG. 1, and FIG. 3 is a side view of the center longitudinal cross-section of FIG. In the figure, 1 is the rotating slave shaft, 2 is the rotating main shaft, 3,
3' is a rotation transmission mechanism, and 4 is a protection box.
Claims (1)
を中心としてその周りの下方に配置された偶数本
の掘削攪拌用回転従軸を含み、回転主軸の下端部
は、回転従軸の上端部に、回転伝動機構を介して
個別に連結され、上記回転従軸には、改良剤の供
給系としての流体通路が備えられ、伝動機構は正
転伝動タイプと逆転伝動タイプが交互に配置され
ていることを特徴とする多軸式地盤改良装置。 It includes one rotating main shaft as a rotation drive system and an even number of rotating slave shafts for excavation and stirring arranged below around the main shaft, and the lower end of the rotating main shaft is the upper end of the rotating subordinate shaft. are individually connected to each other via a rotational transmission mechanism, the rotation slave shaft is provided with a fluid passage as a supply system for the improving agent, and the transmission mechanism has a forward rotation transmission type and a reverse rotation transmission type arranged alternately. A multi-axis ground improvement device that is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985157503U JPH033632Y2 (en) | 1985-10-14 | 1985-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985157503U JPH033632Y2 (en) | 1985-10-14 | 1985-10-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6266929U JPS6266929U (en) | 1987-04-25 |
| JPH033632Y2 true JPH033632Y2 (en) | 1991-01-30 |
Family
ID=31080110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985157503U Expired JPH033632Y2 (en) | 1985-10-14 | 1985-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033632Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008255616A (en) * | 2007-04-03 | 2008-10-23 | Tokki Kogyo Kk | Multiple rod type shallow ground improvement method and its machine |
| KR102098175B1 (en) * | 2019-05-29 | 2020-04-07 | 정경한 | Excavation Apparatus for Ground Improvemnt |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5326410A (en) * | 1976-08-24 | 1978-03-11 | Takenaka Komuten Co | Apparatus for excavating support subsoil in kneading device for improving poor subsoil |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4923409U (en) * | 1972-06-02 | 1974-02-27 |
-
1985
- 1985-10-14 JP JP1985157503U patent/JPH033632Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5326410A (en) * | 1976-08-24 | 1978-03-11 | Takenaka Komuten Co | Apparatus for excavating support subsoil in kneading device for improving poor subsoil |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6266929U (en) | 1987-04-25 |
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