JPS581803U - hydraulic cylinder device - Google Patents

hydraulic cylinder device

Info

Publication number
JPS581803U
JPS581803U JP9527581U JP9527581U JPS581803U JP S581803 U JPS581803 U JP S581803U JP 9527581 U JP9527581 U JP 9527581U JP 9527581 U JP9527581 U JP 9527581U JP S581803 U JPS581803 U JP S581803U
Authority
JP
Japan
Prior art keywords
hydraulic cylinder
cylinder device
shock absorber
pressure sensor
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
Application number
JP9527581U
Other languages
Japanese (ja)
Inventor
實 廣島
相沢　民王
Original Assignee
日立建機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日立建機株式会社 filed Critical 日立建機株式会社
Priority to JP9527581U priority Critical patent/JPS581803U/en
Publication of JPS581803U publication Critical patent/JPS581803U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図および第２図は従来の油圧シリンダ装置の構成を
示すもので、第１図はストロークエンド近くの状態を示
し、第２図はストロークエンドに達した状態を示す、第
３図は本考案の油圧シリンダ状態の一実施例を示す説明
図である。 １・・・・・・シリンダ、２・・・・・・ピストン、１
ａ・・・・・・シリンダ１の凹部、２ａ・・間ピストン
２の凸部、４・・・・・・衝撃吸収器、５・・・・・・
弁、１０・・面圧カセンサ。Figures 1 and 2 show the configuration of a conventional hydraulic cylinder device. Figure 1 shows the state near the end of the stroke, Figure 2 shows the state that has reached the end of the stroke, and Figure 3 shows the state of the main cylinder. It is an explanatory view showing one example of the state of the hydraulic cylinder of the invention. 1...Cylinder, 2...Piston, 1
a... Concavity of cylinder 1, 2a... Convex part of piston 2, 4... Shock absorber, 5...
Valve, 10... surface pressure sensor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストン端部の凸部とシリンダ側面の凹部によって衝撃
吸収器を形成し、この衝撃吸収器内の圧力上昇を検知す
る圧力センサを設け、ピストンがシリンダエンド近くに
達したとき、ピストンとシリンダ間の圧力上昇を前Δ己
圧カセンサにより検出し、弁を切換えてドレン回路を閉
鎖し、ピストン、とシリンダ間に油を閉じ込めバネ機能
を持たせるように構成したことを特徴とする油圧シリン
ダ装置。A shock absorber is formed by the convex part of the piston end and the concave part of the cylinder side, and a pressure sensor is provided to detect the pressure increase in this shock absorber. A hydraulic cylinder device characterized in that a pressure increase is detected by a front Δ self-pressure sensor, a valve is switched to close a drain circuit, and oil is trapped between a piston and a cylinder so as to have a spring function.
JP9527581U 1981-06-29 1981-06-29 hydraulic cylinder device Pending JPS581803U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9527581U JPS581803U (en) 1981-06-29 1981-06-29 hydraulic cylinder device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9527581U JPS581803U (en) 1981-06-29 1981-06-29 hydraulic cylinder device

Publications (1)

Publication Number Publication Date
JPS581803U true JPS581803U (en) 1983-01-07

Family

ID=29890188

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9527581U Pending JPS581803U (en) 1981-06-29 1981-06-29 hydraulic cylinder device

Country Status (1)

Country Link
JP (1) JPS581803U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004085854A1 (en) * 2003-03-26 2004-10-07 Kayaba Industry Co., Ltd. Control device for hydraulic cylinder
JP2009270605A (en) * 2008-05-02 2009-11-19 Koganei Corp Pneumatic cylinder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004085854A1 (en) * 2003-03-26 2004-10-07 Kayaba Industry Co., Ltd. Control device for hydraulic cylinder
JP2009270605A (en) * 2008-05-02 2009-11-19 Koganei Corp Pneumatic cylinder

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