JPH0458605U - - Google Patents

Info

Publication number
JPH0458605U
JPH0458605U JP10151790U JP10151790U JPH0458605U JP H0458605 U JPH0458605 U JP H0458605U JP 10151790 U JP10151790 U JP 10151790U JP 10151790 U JP10151790 U JP 10151790U JP H0458605 U JPH0458605 U JP H0458605U
Authority
JP
Japan
Prior art keywords
piston rod
rod
piston
oil chamber
tip
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.)
Granted
Application number
JP10151790U
Other languages
Japanese (ja)
Other versions
JP2548318Y2 (en
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 filed Critical
Priority to JP1990101517U priority Critical patent/JP2548318Y2/en
Publication of JPH0458605U publication Critical patent/JPH0458605U/ja
Application granted granted Critical
Publication of JP2548318Y2 publication Critical patent/JP2548318Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Safety Valves (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

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

第１Ａ図および第１Ｂ図は、本考案に係る復動
式油圧シリンダのロツド先端部材の平面図および
側面図、第２図は、上記復動式油圧シリンダの多
段伸縮ブームへの取り付け状態を示した側面概略
図である。 １……復動式油圧シリンダ、２……ピストンロ
ツド、３……ピストン、４……シリンダチユーブ
、４ａ……ボトム側油室、４ｂ……ロツド側油室
、２１ａ……第１作動油ポート、２２ａ……第２
作動油ポート、１００……ロツド先端部材、１０
１……クレビスピン穴、１１０……カウンタバラ
ンス弁機構、１２１ａ……第１流入出口、１２２
ａ……第２流入出口。 1A and 1B are a plan view and a side view of the rod end member of a double-acting hydraulic cylinder according to the present invention, and FIG. 2 shows the double-acting hydraulic cylinder attached to a multi-stage telescopic boom. FIG. DESCRIPTION OF SYMBOLS 1... Double acting hydraulic cylinder, 2... Piston rod, 3... Piston, 4... Cylinder tube, 4a... Bottom side oil chamber, 4b... Rod side oil chamber, 21a... First hydraulic oil port, 22a...second
Hydraulic oil port, 100...Rod tip member, 10
1... Clevis pin hole, 110... Counter balance valve mechanism, 121a... First inflow/outlet, 122
a...Second inflow/outlet.

Claims (1)

【実用新案登録請求の範囲】 ピストンロツドと、このピストンロツドの基端
部に取り付けられたピストンと、このピストンに
よつて内部がボトム側油室およびロツド側油室に
分割されるシリンダチユーブとからなり、前記ピ
ストンロツドの先端部には２つの作動油ポートが
設けられ、前記ピストンロツドの内部には、前記
２つの作動油ポートのうち一方を前記ボトム側油
室に繋げる油路および他方を前記ロツド側油室に
繋げる油路が形成されてなる復動式油圧シリンダ
であつて、 前記ピストンロツドの先端部に取り付けられる
ロツド先端部材に、前記ピストンロツドの軸心に
対して直交する軸を中心として、前記ピストンロ
ツドの径方向両外方から内方に向かつて穿設され
た一対のクレビスピン穴を設けるとともに、これ
ら一対のクレビスピン穴の各底部の間に、前記２
つの作動油ポートに繋がるカウンタバランス弁機
構を内蔵したことを特徴とする復動式油圧シリン
ダ。[Claims for Utility Model Registration] Consisting of a piston rod, a piston attached to the base end of the piston rod, and a cylinder tube whose interior is divided by the piston into a bottom oil chamber and a rod oil chamber, Two hydraulic oil ports are provided at the tip of the piston rod, and inside the piston rod, one of the two hydraulic oil ports is connected to the bottom side oil chamber, and the other is connected to the rod side oil chamber. A double-acting hydraulic cylinder is formed with an oil passage connected to the piston rod, and the rod tip member attached to the tip of the piston rod has a diameter of the piston rod centered on an axis perpendicular to the axis of the piston rod. A pair of clevis pin holes are provided which are drilled inward from both directions, and between the bottoms of the pair of clevis pin holes,
A double-acting hydraulic cylinder featuring a built-in counterbalance valve mechanism connected to two hydraulic oil ports.
JP1990101517U 1990-09-27 1990-09-27 Double acting hydraulic cylinder Expired - Lifetime JP2548318Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990101517U JP2548318Y2 (en) 1990-09-27 1990-09-27 Double acting hydraulic cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990101517U JP2548318Y2 (en) 1990-09-27 1990-09-27 Double acting hydraulic cylinder

Publications (2)

Publication Number Publication Date
JPH0458605U true JPH0458605U (en) 1992-05-20
JP2548318Y2 JP2548318Y2 (en) 1997-09-17

Family

ID=31845042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990101517U Expired - Lifetime JP2548318Y2 (en) 1990-09-27 1990-09-27 Double acting hydraulic cylinder

Country Status (1)

Country Link
JP (1) JP2548318Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011131663A (en) * 2009-12-23 2011-07-07 Nippon Sharyo Seizo Kaisha Ltd Carrier connecting device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6225306U (en) * 1985-07-31 1987-02-16
JPH01137989U (en) * 1988-03-16 1989-09-20

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6225306U (en) * 1985-07-31 1987-02-16
JPH01137989U (en) * 1988-03-16 1989-09-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011131663A (en) * 2009-12-23 2011-07-07 Nippon Sharyo Seizo Kaisha Ltd Carrier connecting device

Also Published As

Publication number Publication date
JP2548318Y2 (en) 1997-09-17

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