JPS6410540U - - Google Patents
Info
- Publication number
- JPS6410540U JPS6410540U JP10337387U JP10337387U JPS6410540U JP S6410540 U JPS6410540 U JP S6410540U JP 10337387 U JP10337387 U JP 10337387U JP 10337387 U JP10337387 U JP 10337387U JP S6410540 U JPS6410540 U JP S6410540U
- Authority
- JP
- Japan
- Prior art keywords
- side chamber
- cylinder
- piston
- head side
- communicating
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Description
第１図は本考案の１実施例を示し、Ａはピスト
ンの復行程の開始時、Ｂは復行程の途中、Ｃは復
行程端の状態をそれぞれ示す。第２図は従来の油
圧パイルハンマーのラムを駆動する油圧回路が示
され、Ａはラムの上昇時、Ｂはラムの落下時の状
態をそれぞれ示す。
片ロツド型複動シリンダ……１、シリンダ……
１ａ、ピストン……１ｂ、ヘツド側室……１ｃ、
ロツド側室……１ｄ、ピストンロツド……１ｅ、
ポンプ……７、タンク……５、アキユムレータ…
…１０、ロツド側室とヘツド側室を連通する流路
……２、第１の弁……３、ヘツド側室とタンクを
連通する流路……４、第２の弁……６。
FIG. 1 shows an embodiment of the present invention, in which A shows the piston at the beginning of the backward stroke, B shows the piston in the middle of the backward stroke, and C shows the piston at the end of the backward stroke. FIG. 2 shows a hydraulic circuit for driving the ram of a conventional hydraulic pile hammer, where A shows the state when the ram is rising and B shows the state when the ram is falling. Single rod type double acting cylinder...1, Cylinder...
1a, Piston...1b, Head side chamber...1c,
Rod side chamber...1d, piston rod...1e,
Pump...7, Tank...5, Accumulator...
...10. A flow path communicating between the rod side chamber and the head side chamber...2. A first valve...3. A flow path communicating the head side chamber and the tank...4. A second valve...6.
Claims (1)
ド側室に連通するポンプと、該シリンダのヘツド
側室に連通するアキユムレータを具え、上記ロツ
ド側室とヘツド側室を連通する流路に該シリンダ
のピストンが復行程端に達したときに開となる第
１の弁を介装するとともに上記ヘツド側室とタン
クを連通する流路に上記ピストンの復行程の途中
で閉となる第２の弁を介装したことを特徴とする
流体圧駆動回路。 The cylinder is equipped with a single rod type double acting cylinder, a pump communicating with the rod side chamber of the cylinder, and an accumulator communicating with the head side chamber of the cylinder, and the piston of the cylinder is connected to the flow path communicating the rod side chamber and the head side chamber in the backward stroke. A first valve that opens when the piston reaches the end is provided, and a second valve that closes during the backward stroke of the piston is provided in the flow path that communicates the head side chamber with the tank. Features a fluid pressure drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10337387U JPS6410540U (en) | 1987-07-07 | 1987-07-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10337387U JPS6410540U (en) | 1987-07-07 | 1987-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6410540U true JPS6410540U (en) | 1989-01-20 |
Family
ID=31334144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10337387U Pending JPS6410540U (en) | 1987-07-07 | 1987-07-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6410540U (en) |
-
1987
- 1987-07-07 JP JP10337387U patent/JPS6410540U/ja active Pending
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