JPH0444501U - - Google Patents
Info
- Publication number
- JPH0444501U JPH0444501U JP8708190U JP8708190U JPH0444501U JP H0444501 U JPH0444501 U JP H0444501U JP 8708190 U JP8708190 U JP 8708190U JP 8708190 U JP8708190 U JP 8708190U JP H0444501 U JPH0444501 U JP H0444501U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic cylinder
- pilot pressure
- buffer
- pressure line
- buffer pilot
- 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
- 230000035939 shock Effects 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
Landscapes
- Fluid-Pressure Circuits (AREA)
- Fluid-Damping Devices (AREA)
Description
第１図は本考案の液圧シリンダのシヨツク軽減
装置の一実施例を示すシリンダ断面および流体回
路図、第２図は従来の液圧シリンダにおけるシヨ
ツク軽減手段を示すシリンダ断面および流体回路
図である。
１２……液圧シリンダ、２１……コントロール
バルブ、３５……緩衝用パイロツト圧作用部、４
１……閉込み圧発生部、４２……閉込み圧取出口
、４３……緩衝用パイロツト圧管路、４４……可
変絞り弁。
Fig. 1 is a cylinder cross section and fluid circuit diagram showing an embodiment of the shock reducing device for a hydraulic cylinder of the present invention, and Fig. 2 is a cylinder cross section and fluid circuit diagram showing a shock reducing means in a conventional hydraulic cylinder. . 12... Hydraulic cylinder, 21... Control valve, 35... Buffer pilot pressure acting part, 4
DESCRIPTION OF SYMBOLS 1...Confinement pressure generating part, 42...Confinement pressure outlet, 43...Buffer pilot pressure pipe line, 44...Variable throttle valve.
Claims (1)
シヨツクを軽減する装置において、 液圧シリンダのストロークエンドにおける閉込
み圧発生部に対し閉込み圧取出口が設けられ、 この閉込み圧取出口から緩衝用パイロツト圧管
路が引出され、 この緩衝用パイロツト圧管路が、液圧シリンダ
を制御するコントロールバルブにあつてこのコン
トロールバルブを中立状態に復帰させる緩衝用パ
イロツト圧作用部に連通された ことを特徴とする液圧シリンダのシヨツク軽減装
置。 (2) 緩衝用パイロツト圧管路中に可変絞り弁が
設けられたことを特徴とする請求項１記載の液圧
シリンダのシヨツク軽減装置。[Scope of Claim for Utility Model Registration] (1) In a device for reducing shock at the stroke end of a hydraulic cylinder, a confinement pressure outlet is provided for a confinement pressure generation part at the stroke end of the hydraulic cylinder, and A buffer pilot pressure line is drawn out from the hydraulic pressure outlet, and this buffer pilot pressure line communicates with a buffer pilot pressure acting part that is a control valve that controls a hydraulic cylinder and returns this control valve to a neutral state. A shock reduction device for a hydraulic cylinder, characterized by: (2) The shock reduction device for a hydraulic cylinder according to claim 1, wherein a variable throttle valve is provided in the buffer pilot pressure line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8708190U JPH0444501U (en) | 1990-08-21 | 1990-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8708190U JPH0444501U (en) | 1990-08-21 | 1990-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0444501U true JPH0444501U (en) | 1992-04-15 |
Family
ID=31819140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8708190U Pending JPH0444501U (en) | 1990-08-21 | 1990-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0444501U (en) |
-
1990
- 1990-08-21 JP JP8708190U patent/JPH0444501U/ja active Pending
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