JPH0284839U - - Google Patents
Info
- Publication number
- JPH0284839U JPH0284839U JP16203588U JP16203588U JPH0284839U JP H0284839 U JPH0284839 U JP H0284839U JP 16203588 U JP16203588 U JP 16203588U JP 16203588 U JP16203588 U JP 16203588U JP H0284839 U JPH0284839 U JP H0284839U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic cylinder
- extension speed
- hydraulic
- medium excavation
- pile
- 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.)
- Granted
Links
- 238000009412 basement excavation Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Piles And Underground Anchors (AREA)
Description
第１図は本考案を適用した中掘用杭打機の概要
を示す略示側面図、第２図Ａ〜Ｃは球根造成過程
を示す説明図、第３図は同制御系の構成図、第４
図は同フローチヤートである。
３……スクリユ駆動装置、４……杭保持装置、
５……掘進機構、６……反力受、７……油圧シリ
ンダ、９……中空杭、１０……チヤツク機構、１
１……検出装置、１５……オーガスクリユ、１６
……オーガヘツド、２１……球根。
Fig. 1 is a schematic side view showing the outline of a pile driver for medium excavation to which the present invention is applied, Figs. 2 A to C are explanatory diagrams showing the bulb creation process, Fig. 3 is a configuration diagram of the control system, Fourth
The figure is the same flowchart. 3... Screw drive device, 4... Pile holding device,
5... Excavation mechanism, 6... Reaction force receiver, 7... Hydraulic cylinder, 9... Hollow pile, 10... Chack mechanism, 1
1...detection device, 15...auguscrill, 16
... Augerhead, 21 ... Bulb.
Claims (1)
されたオーガスクリユ駆動装置と杭保持装置とを
油圧シリンダにより上下相対位置を調整可能に連
結した中掘用杭打機において、前記油圧シリンダ
のストロークおよび伸長速度を検出する検出装置
と、この検出装置により検出された伸長速度と予
じめ設定された伸長速度とを比較して前記油圧シ
リンダへの作動油供給油圧回路を制御する制御装
置とを具有することを特徴とする中掘工法におけ
る根固め用油圧シリンダ速度調整装置。 In a pile driver for medium excavation, in which an auger screw drive device and a pile holding device, each of which is attached to a leader mast so as to be able to move up and down independently, are connected by a hydraulic cylinder so that the vertical relative position can be adjusted, the stroke and extension speed of the hydraulic cylinder are controlled. and a control device that compares the extension speed detected by the detection device with a preset extension speed and controls the hydraulic circuit for supplying hydraulic fluid to the hydraulic cylinder. Features: Hydraulic cylinder speed adjustment device for root protection in the medium excavation method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16203588U JPH0630899Y2 (en) | 1988-12-14 | 1988-12-14 | Hydraulic cylinder speed adjusting device for root consolidation in medium excavation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16203588U JPH0630899Y2 (en) | 1988-12-14 | 1988-12-14 | Hydraulic cylinder speed adjusting device for root consolidation in medium excavation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0284839U true JPH0284839U (en) | 1990-07-02 |
| JPH0630899Y2 JPH0630899Y2 (en) | 1994-08-22 |
Family
ID=31445498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16203588U Expired - Fee Related JPH0630899Y2 (en) | 1988-12-14 | 1988-12-14 | Hydraulic cylinder speed adjusting device for root consolidation in medium excavation method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0630899Y2 (en) |
-
1988
- 1988-12-14 JP JP16203588U patent/JPH0630899Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0630899Y2 (en) | 1994-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |