JPH0484458U - - Google Patents
Info
- Publication number
- JPH0484458U JPH0484458U JP12744990U JP12744990U JPH0484458U JP H0484458 U JPH0484458 U JP H0484458U JP 12744990 U JP12744990 U JP 12744990U JP 12744990 U JP12744990 U JP 12744990U JP H0484458 U JPH0484458 U JP H0484458U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- cylinder
- control valve
- directional control
- hydraulic cylinder
- 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
- 230000001052 transient effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案に係るシリンダ作動制御回路の
一実施例の回路図、第２Ａ〜２Ｃ図は第１図に示
した回路の作動状態を示した概略図、第３図は第
１図に示した回路の作動状態の経時的変化を定量
的に示した概念図である。
符号の説明、１……油圧シリンダ、２……ピス
トン、３……ロツド、４……負荷、５……シリン
ダ操作弁、６……ポンプ、７……方向制御弁、８
……油タンク、９……弁機構、１０……逆止弁、
１１……流量調整弁、１２，１３……管路、１４
……リモコン弁。
Fig. 1 is a circuit diagram of an embodiment of the cylinder operation control circuit according to the present invention, Figs. 2A to 2C are schematic diagrams showing the operating state of the circuit shown in Fig. 1, and Fig. 3 is the same as Fig. 1. FIG. 3 is a conceptual diagram quantitatively showing changes over time in the operating state of the illustrated circuit. Explanation of symbols, 1... Hydraulic cylinder, 2... Piston, 3... Rod, 4... Load, 5... Cylinder operating valve, 6... Pump, 7... Directional control valve, 8
... Oil tank, 9 ... Valve mechanism, 10 ... Check valve,
11...Flow rate adjustment valve, 12, 13...Pipe line, 14
...Remote control valve.
Claims (1)
のシリンダ作動制御回路において、 過渡位置においてのみ開口し、前記油圧シリン
ダのシリンダロツド室と油タンクとを接続する方
向制御弁と、 逆止弁と流量調節弁とを並列に配置してなり、
前記逆止弁が前記方向制御弁へ向かう流れのみを
許すように前記方向制御弁と接続している弁機構
と、 を備えることを特徴とするシリンダ作動制御回路
。[Claim for Utility Model Registration] In a cylinder operation control circuit for a hydraulic cylinder whose operation is controlled via an operation valve, a directional control valve that opens only in a transient position and connects the cylinder rod chamber of the hydraulic cylinder and an oil tank. A check valve and a flow control valve are arranged in parallel,
A cylinder operation control circuit comprising: a valve mechanism connected to the directional control valve so that the check valve only allows flow toward the directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12744990U JPH0484458U (en) | 1990-11-29 | 1990-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12744990U JPH0484458U (en) | 1990-11-29 | 1990-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0484458U true JPH0484458U (en) | 1992-07-22 |
Family
ID=31874945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12744990U Pending JPH0484458U (en) | 1990-11-29 | 1990-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0484458U (en) |
-
1990
- 1990-11-29 JP JP12744990U patent/JPH0484458U/ja active Pending
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