JPH0144624Y2 - - Google Patents
Info
- Publication number
- JPH0144624Y2 JPH0144624Y2 JP1984055342U JP5534284U JPH0144624Y2 JP H0144624 Y2 JPH0144624 Y2 JP H0144624Y2 JP 1984055342 U JP1984055342 U JP 1984055342U JP 5534284 U JP5534284 U JP 5534284U JP H0144624 Y2 JPH0144624 Y2 JP H0144624Y2
- Authority
- JP
- Japan
- Prior art keywords
- propulsion
- pipe
- screw conveyor
- base
- machine
- 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
- 238000000034 method Methods 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 101150054854 POU1F1 gene Proteins 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
【考案の詳細な説明】
本考案は、推進管に対する押圧部、及び、推進
管に挿入した排土用スクリユーコンベアに連動さ
せる駆動軸を、移動機台に軸受支承し、推進管の
先端に装備した掘削装置からの土砂をスクリユー
コンベアにより排出させながら、複数の連結推進
管を土中に押し込み推進させる推進工法用推進機
の改良に関する。[Detailed description of the invention] The present invention has bearing bearings on a movable machine base for the pressing part against the propulsion tube and the drive shaft that interlocks with the screw conveyor for soil removal inserted into the propulsion tube. This invention relates to an improvement in a propulsion machine for a propulsion method that pushes and propels a plurality of connected propulsion pipes into the soil while discharging earth and sand from an equipped excavator using a screw conveyor.
従来、排土用スクリユーコンベアのパイプを、
その長手方向に適当ピツチで付設した第１図に示
す如きローラ１９ａ付き脚部材１９を介して推進
管５の内周面にのみ載置支持していたのである
が、推進時に複数の連結推進管が推進反力で蛇行
状に屈折することに起因して、スクリユーコンベ
アの基端部においてパイプが、移動機台に駆動軸
を介して支持された状態のスクリユー軸に対し半
径方向に変位するために、パイプの重量や変位荷
重がスクリユー軸に無理な曲げ荷重として作用
し、そのことによつてスクリユー軸が早期に変形
損傷する問題があつた。 Conventionally, the pipes of the screw conveyor for soil removal were
It was mounted and supported only on the inner circumferential surface of the propulsion tube 5 via leg members 19 with rollers 19a as shown in FIG. 1 attached at appropriate pitches in the longitudinal direction. As a result, the pipe at the base end of the screw conveyor is displaced in the radial direction with respect to the screw shaft, which is supported by the movable machine table via the drive shaft. Therefore, the weight and displacement load of the pipe acts on the screw shaft as an unreasonable bending load, which causes the problem of early deformation and damage to the screw shaft.
本考案の目的は、移動機台に対する合理的な改
良で、スクリユーコンベアの耐久性を向上する点
にある。 The purpose of the present invention is to improve the durability of the screw conveyor by rationally improving the mobile machine base.
本考案の特徴構成は、冒記推進工法用推進機に
おいて、前記スクリユーコンベアのパイプの基端
部を固定するホルダーを前記移動機台に取付けて
あることにあり、その作用効果は次の通りであ
る。 The characteristic configuration of the present invention is that, in the propulsion machine for the above-mentioned propulsion method, a holder for fixing the base end of the pipe of the screw conveyor is attached to the movable machine base, and its effects are as follows. It is.
つまり、パイプ基端部をホルダーを介して移動
機台に固定するから、パイプ基端部と機台側支持
状態のスクリユー軸との適切相対位置を、連結推
進管の蛇行状屈折にかかわらず確実に維持でき、
その結果、スクリユー軸にチユーブの重量や変位
荷重等の無理な曲げ荷重が作用することを回避で
きて、スクリユーコンベアの耐久性を大巾に向上
できた。 In other words, since the base end of the pipe is fixed to the movable machine base via the holder, the appropriate relative position between the base end of the pipe and the screw shaft supported on the machine base side is ensured regardless of the meandering bend of the connecting propulsion pipe. can be maintained at
As a result, it was possible to avoid applying unreasonable bending loads such as the weight of the tubes and displacement loads to the screw shaft, and the durability of the screw conveyor was greatly improved.
次に実施例を示す。 Next, examples will be shown.
第１図は、推進工法用推進機による施工状態を
示し、ピツト１内の底部に敷設した左右一対のレ
ール２上を移動する移動機台３を、それに付設し
た油圧シリンダー３Ａでピツト縦壁を反力支点と
して推進させることにより、移動機台３前端の押
圧部４で複数の連結推進管５の基端を押圧し、先
端に掘削装置を装備した連結推進管５を、これに
挿通配置したスクリユーコンベア６により掘削土
砂をピツト１側に排出させながら土中に推進させ
ている。 Figure 1 shows the construction state using a propulsion machine for the propulsion method, in which a movable machine platform 3 moves on a pair of left and right rails 2 laid at the bottom of a pit 1, and a hydraulic cylinder 3A attached to it moves the vertical wall of the pit. By propelling it as a reaction force fulcrum, the pressing part 4 at the front end of the mobile machine platform 3 presses the base ends of the plurality of connecting propulsion tubes 5, and the connecting propulsion tubes 5 equipped with an excavation device at the tip are inserted and arranged therein. The excavated earth and sand is discharged to the pit 1 side by a screw conveyor 6 and is propelled into the soil.
第１図ないし第３図に示すように、移動機台３
の上部にスクリユーコンベア駆動用モータM1を
取付けると共に、スクリユーコンベア６のスクリ
ユー軸６Ａの基端に軸継手７を介して同芯状に連
結する駆動軸８を、チエーン伝動機構９を介して
モータM1に連動させた状態で移動機台３の左右
中央下部に軸受支承してある。 As shown in FIGS. 1 to 3, the mobile machine base 3
A screw conveyor driving motor M1 is attached to the upper part of the screw conveyor 6, and a drive shaft 8 is concentrically connected to the base end of the screw shaft 6A of the screw conveyor 6 via a shaft coupling 7 via a chain transmission mechanism 9. It is supported by a bearing at the lower left and right center of the mobile machine base 3 while being linked to the motor M1 .
前記押圧部４は、推進管５の基端側端面に接当
する前側ドーナツ型板状部材１０、及び、移動機
台３本体の前端に連結固定された後側ドーナツ型
板状部材１１を複数の前後向き支持フレーム１２
で連結して構成されており、前側ドーナツ型板状
部材１０には、スクリユーコンベア６のパイプ６
Ｂの基端部を挿通させるための切欠き１０ａが形
成されると共に、推進管５の基端部をその半径方
向に位置保持するための固定具１３の複数個が固
定作用状態と解除状態とにわたつて摺動位置変更
自在に、かつ、ボルト１４で固定自在に付設され
ている。 The pressing section 4 includes a plurality of front donut-shaped plate-like members 10 that come into contact with the proximal end surface of the propulsion tube 5, and a plurality of rear donut-shaped plate-like members 11 that are connected and fixed to the front end of the main body of the mobile machine stand 3. front and rear support frame 12
The pipe 6 of the screw conveyor 6 is connected to the front donut-shaped plate member 10.
A notch 10a is formed through which the proximal end of the propulsion tube 5 is inserted, and a plurality of fixtures 13 for holding the proximal end of the propulsion tube 5 in position in the radial direction are in a fixed state and a released state. It is attached so that its sliding position can be changed freely over the area and can be fixed with a bolt 14.
前記切欠き１０ａの下方で前側ドーナツ型板状
部材１０の背面に、駆動軸芯Ｐと平面視で直交す
る横向きのレール部材１５を固設し、左右一対の
台部材１６Ａ，１６Ｂを、レール部材１５の両端
に取付けた油圧モータMa，Mbのネジ軸１７Ａ，
１７Ｂ回転操作による各別の左右摺動のみ自在に
レール部材１５の上面に係合連結すると共に、前
側ドーナツ型板状部材１０よりも後方に突出する
スクリユーコンベア６のパイプ６Ｂの基端部をそ
の両横側から外嵌状に挾圧固定する左右一対のホ
ルダー１８Ａ，１８Ｂを、台部材１６Ａ，１６Ｂ
に各別にボルト連結し、もつて、油圧モータ
Ma，Mbによる台部材１６Ａ，１６Ｂの摺動操
作でホルダー１８Ａ，１８Ｂをパイプ６Ｂに対し
て挾圧固定作用させることにより、ローラ１９ａ
付き脚部材１９のみにより推進管５内周面に載置
支持されている状態のパイプ６Ｂをその基端部で
ホルダー１８Ａ，１８Ｂを介して移動機台３に固
定し、駆動軸８を介して移動機台３に支持されて
いるスクリユー軸６Ａとパイプ６Ｂ基端部との相
対位置を、推進反力に起因した連結推進管５の蛇
行状屈折にかかわらず常に同芯状の適正状態に維
持するように構成してある。 A horizontal rail member 15 orthogonal to the drive axis P in plan view is fixed to the back surface of the front donut-shaped plate member 10 below the notch 10a, and a pair of left and right platform members 16A, 16B are connected to the rail member. Threaded shafts 17A of hydraulic motors Ma and Mb attached to both ends of 15,
17B The base end of the pipe 6B of the screw conveyor 6, which is engaged and connected to the upper surface of the rail member 15 so as to be slidable left and right by the rotation operation, and which protrudes rearward from the front donut-shaped plate member 10, A pair of left and right holders 18A, 18B are clamped and fixed from both sides of the base members 16A, 16B.
Each bolt is connected separately to the hydraulic motor.
By causing the holders 18A and 18B to clamp and fix on the pipe 6B by sliding the base members 16A and 16B by Ma and Mb, the roller 19a
The pipe 6B, which is placed and supported on the inner circumferential surface of the propulsion tube 5 only by the attached leg members 19, is fixed at its base end to the movable machine base 3 via the holders 18A and 18B, and The relative position of the screw shaft 6A supported by the mobile machine base 3 and the base end of the pipe 6B is always maintained in a proper concentric state regardless of the meandering bend of the connecting propulsion tube 5 caused by the propulsion reaction force. It is configured to do so.
つまり、連結推進管５の蛇行状屈折によるパイ
プ６Ｂ基端部の変位に起因したスクリユー軸６Ａ
の早期変形損傷を確実に防止するように構成して
ある。 In other words, the screw shaft 6A caused by the displacement of the base end of the pipe 6B due to meandering bending of the connecting propulsion pipe 5
The structure is designed to reliably prevent early deformation damage.
次に別実施例を説明する。 Next, another embodiment will be described.
ホルダー１８Ａ，１８Ｂのパイプ６Ｂ基端部に
対する具体的固定構造は、パイプ６Ｂの両横側か
らの挾圧固定に代えて、両横側並びに上下側から
の四方から外嵌状に挾圧固定する構造を採用して
も良く、種々の改良が可能である。 The specific fixing structure of the holders 18A and 18B to the base end of the pipe 6B is that instead of fixing the pipe 6B with clamping pressure from both lateral sides, it is fixed with clamping pressure from all sides from both lateral sides and the upper and lower sides. The structure may be adopted, and various improvements are possible.
又、ホルダー１８Ａ，１８Ｂの操作構造は、前
述の如き油圧モータMa，Mbによる摺動駆動操
作に代えて、人為摺動固定操作や、単なるボルト
連結固定操作等、種々の操作構造を適用できる。 Furthermore, the operating structure of the holders 18A and 18B can be replaced by a sliding drive operation using the hydraulic motors Ma and Mb as described above, and various other operating structures can be applied, such as a manual sliding fixing operation or a simple bolt connection fixing operation.
更に、ホルダー１８Ａ，１８Ｂの移動機台３に
対する具体的配設位置も適宜変更が可能である。 Furthermore, the specific arrangement positions of the holders 18A, 18B with respect to the mobile machine stand 3 can also be changed as appropriate.
図面は本考案に係る推進工法用推進機の実施例
を示し、第１図は全体側面図、第２図は第１図に
おける−線矢視一部切欠図、第３図は要部の
一部断面拡大平面図である。
３……移動機台、４……押圧部、５……推進
管、６……スクリユーコンベア、６Ｂ……パイ
プ、８……駆動軸、１８Ａ，１８Ｂ……ホルダ
ー。
The drawings show an embodiment of the propulsion machine for the propulsion method according to the present invention, and Fig. 1 is an overall side view, Fig. 2 is a partially cutaway view taken along the line - in Fig. 1, and Fig. 3 is a partial cutaway of the main parts. FIG. 3 is an enlarged partial cross-sectional plan view. 3...Moving machine base, 4...Press section, 5...Propulsion tube, 6...Screw conveyor, 6B...Pipe, 8...Drive shaft, 18A, 18B...Holder.
Claims (1)
挿入した排土用スクリユーコンベア６に連動させ
る駆動軸８を、移動機台３に軸受支承した推進工
法用推進機であつて、前記スクリユーコンベア６
のパイプ６Ｂの基端部を固定するホルダー１８
Ａ，１８Ｂを前記移動機台３に取付けてある推進
工法用推進機。 This is a propulsion machine for a propulsion method in which a pushing part 4 for a propulsion tube 5 and a drive shaft 8 interlocked with a screw conveyor 6 for soil removal inserted into the propulsion tube 5 are supported by bearings on a mobile machine base 3, yukon bear 6
A holder 18 that fixes the base end of the pipe 6B.
A propulsion machine for propulsion construction method in which A and 18B are attached to the mobile machine stand 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5534284U JPS60169396U (en) | 1984-04-13 | 1984-04-13 | Propulsion machine for propulsion method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5534284U JPS60169396U (en) | 1984-04-13 | 1984-04-13 | Propulsion machine for propulsion method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60169396U JPS60169396U (en) | 1985-11-09 |
| JPH0144624Y2 true JPH0144624Y2 (en) | 1989-12-22 |
Family
ID=30577927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5534284U Granted JPS60169396U (en) | 1984-04-13 | 1984-04-13 | Propulsion machine for propulsion method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60169396U (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6129839Y2 (en) * | 1980-11-15 | 1986-09-02 |
-
1984
- 1984-04-13 JP JP5534284U patent/JPS60169396U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60169396U (en) | 1985-11-09 |
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