JPH0365734U - - Google Patents
Info
- Publication number
- JPH0365734U JPH0365734U JP12534889U JP12534889U JPH0365734U JP H0365734 U JPH0365734 U JP H0365734U JP 12534889 U JP12534889 U JP 12534889U JP 12534889 U JP12534889 U JP 12534889U JP H0365734 U JPH0365734 U JP H0365734U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic cylinder
- extension speed
- detection device
- hydraulic
- speed
- 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
Links
- 238000009412 basement excavation Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (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。
Figure 1 is a schematic side view showing the outline of a pile driver for medium excavation to which the present invention is applied, Figures 2 A to C are explanatory diagrams showing the bulb creation process, and Figure 3 is a configuration diagram of the same control system. be. 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
を設け、この検出装置により検出された伸長速度
と予じめ定めら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よ
うにした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. A detection device is provided to detect the extension speed, and the extension speed detected by the detection device is compared with a predetermined extension speed to control the hydraulic circuit for supplying hydraulic fluid to the hydraulic cylinder. Hydraulic cylinder speed adjustment device for foot protection in the medium excavation method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12534889U JPH0365734U (en) | 1989-10-26 | 1989-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12534889U JPH0365734U (en) | 1989-10-26 | 1989-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0365734U true JPH0365734U (en) | 1991-06-26 |
Family
ID=31673224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12534889U Pending JPH0365734U (en) | 1989-10-26 | 1989-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0365734U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0630899U (en) * | 1992-09-14 | 1994-04-22 | 名古屋電機工業株式会社 | Signal light |
-
1989
- 1989-10-26 JP JP12534889U patent/JPH0365734U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0630899U (en) * | 1992-09-14 | 1994-04-22 | 名古屋電機工業株式会社 | Signal light |
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