JPH0218496U - - Google Patents

Info

Publication number
JPH0218496U
JPH0218496U JP9594488U JP9594488U JPH0218496U JP H0218496 U JPH0218496 U JP H0218496U JP 9594488 U JP9594488 U JP 9594488U JP 9594488 U JP9594488 U JP 9594488U JP H0218496 U JPH0218496 U JP H0218496U
Authority
JP
Japan
Prior art keywords
chamber
tank
lift cylinder
rod
tail
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
JP9594488U
Other languages
Japanese (ja)
Other versions
JPH0638080Y2 (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 JP1988095944U priority Critical patent/JPH0638080Y2/en
Publication of JPH0218496U publication Critical patent/JPH0218496U/ja
Application granted granted Critical
Publication of JPH0638080Y2 publication Critical patent/JPH0638080Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Forklifts And Lifting Vehicles (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

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

第１図は、本考案の実施例に係る荷役用油圧装
置を示す油圧回路図。第２図は、本考案の他の実
施例を示す油圧回路図。第３図は、従来の荷役用
油圧装置を示す油圧回路図である。 １……荷役用油圧装置、２……タンク、３……
ポンプ、４……切換弁、５……リフトシリンダ、
６……逆止弁、７……制御弁。 FIG. 1 is a hydraulic circuit diagram showing a cargo handling hydraulic system according to an embodiment of the present invention. FIG. 2 is a hydraulic circuit diagram showing another embodiment of the present invention. FIG. 3 is a hydraulic circuit diagram showing a conventional cargo handling hydraulic system. 1... Hydraulic system for cargo handling, 2... Tank, 3...
Pump, 4...Switching valve, 5...Lift cylinder,
6... Check valve, 7... Control valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] タンクと、タンクに接続されたポンプと、ポン
プに接続された切換弁と、切換弁にテール室が接
続されて荷物を昇降させるリフトシリンダと、リ
フトシリンダのテール室とロツド室に接続されて
ロツド室からテール室への圧油を許容する逆止弁
と、タンクとリフトシリンダのテール室とロツド
室に接続されてテール室の圧油の圧力の大きさに
依り小さい時にはロツド室からタンクへの圧油を
少なくする制御弁と、から構成した事を特徴とす
る荷役用油圧装置。 A tank, a pump connected to the tank, a switching valve connected to the pump, a lift cylinder whose tail chamber is connected to the switching valve to raise and lower cargo, and a rod connected to the tail chamber and rod chamber of the lift cylinder. A check valve is connected to the tank, the tail chamber of the lift cylinder, and the rod chamber to allow pressure oil to flow from the chamber to the tail chamber. A hydraulic system for cargo handling, characterized by comprising a control valve that reduces pressure oil.
JP1988095944U 1988-07-20 1988-07-20 Hydraulic system for cargo handling Expired - Lifetime JPH0638080Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988095944U JPH0638080Y2 (en) 1988-07-20 1988-07-20 Hydraulic system for cargo handling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988095944U JPH0638080Y2 (en) 1988-07-20 1988-07-20 Hydraulic system for cargo handling

Publications (2)

Publication Number Publication Date
JPH0218496U true JPH0218496U (en) 1990-02-07
JPH0638080Y2 JPH0638080Y2 (en) 1994-10-05

Family

ID=31320719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988095944U Expired - Lifetime JPH0638080Y2 (en) 1988-07-20 1988-07-20 Hydraulic system for cargo handling

Country Status (1)

Country Link
JP (1) JPH0638080Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03107501U (en) * 1990-02-22 1991-11-06
WO2004070211A1 (en) * 2003-01-14 2004-08-19 Hitachi Construction Machinery Co., Ltd. Hydraulic working machine
JP2009203006A (en) * 2008-02-28 2009-09-10 Tcm Corp Hydraulic device for cargo handling

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5688800U (en) * 1979-12-10 1981-07-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5688800U (en) * 1979-12-10 1981-07-15

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03107501U (en) * 1990-02-22 1991-11-06
WO2004070211A1 (en) * 2003-01-14 2004-08-19 Hitachi Construction Machinery Co., Ltd. Hydraulic working machine
JP2009203006A (en) * 2008-02-28 2009-09-10 Tcm Corp Hydraulic device for cargo handling

Also Published As

Publication number Publication date
JPH0638080Y2 (en) 1994-10-05

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