JPS59123097U - Hydraulic circuit for forklift tilt cylinder - Google Patents

Hydraulic circuit for forklift tilt cylinder

Info

Publication number
JPS59123097U
JPS59123097U JP1735983U JP1735983U JPS59123097U JP S59123097 U JPS59123097 U JP S59123097U JP 1735983 U JP1735983 U JP 1735983U JP 1735983 U JP1735983 U JP 1735983U JP S59123097 U JPS59123097 U JP S59123097U
Authority
JP
Japan
Prior art keywords
tilt cylinder
hydraulic circuit
forklift
oil passage
bottom chamber
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
JP1735983U
Other languages
Japanese (ja)
Inventor
松沢　邦彦
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP1735983U priority Critical patent/JPS59123097U/en
Publication of JPS59123097U publication Critical patent/JPS59123097U/en
Pending legal-status Critical Current

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  • Forklifts And Lifting Vehicles (AREA)

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) [Summary] 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 drawings]

第１図はフォークリフトの前部側面図、第２図は本考案
の実施例を示す油圧回路図、第３図は不具合例を示す油
圧回路図である。 １・・・方向切換弁、２・・・パイロット操作逆止弁、
３・・・オリフィス、４・・・逆止弁、５・・・チルト
シリンダ、５ａ・・・ロッド室、５ｂ・・・ボトム室、
６．７・・・ロッド室側油路、８，９．１１・・・ボト
ム室側油路、１０・・・パイロット油路。FIG. 1 is a front side view of a forklift, FIG. 2 is a hydraulic circuit diagram showing an embodiment of the present invention, and FIG. 3 is a hydraulic circuit diagram showing an example of a malfunction. 1... Directional switching valve, 2... Pilot operated check valve,
3... Orifice, 4... Check valve, 5... Tilt cylinder, 5a... Rod chamber, 5b... Bottom chamber,
6.7...Rod chamber side oil passage, 8,9.11...Bottom chamber side oil passage, 10...Pilot oil passage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油圧ポンプとチルトシリンダとの間に設けた方向切換弁
の切換作動によりチルトシリンダへの圧油の給排を行う
ように構成したフォークリフトのチルトシリンダ用油圧
回路において、方交切換弁とチルトシリンダのロッド室
とを接続するロッド室側油路に設けた、ボトム室側油路
よりパイロット圧を検知するパイロット付逆止弁と、方
向切換弁とチルトシリンダのボトム室とを接続するボト
ム室側油路にそれぞれ並列に設けた、オリフィスと逆止
弁とを具備したことを特徴とするフォークリフトのチル
トシリンダ用油圧回路。In a hydraulic circuit for a forklift tilt cylinder, which is configured to supply and discharge pressure oil to the tilt cylinder by switching the directional valve provided between the hydraulic pump and the tilt cylinder, A check valve with a pilot that detects pilot pressure from the bottom chamber side oil passage installed in the rod chamber oil passage connecting the rod chamber, and a bottom chamber oil passage connecting the directional control valve and the bottom chamber of the tilt cylinder. A hydraulic circuit for a tilt cylinder of a forklift, characterized by comprising an orifice and a check valve, which are provided in parallel with each other.
JP1735983U 1983-02-08 1983-02-08 Hydraulic circuit for forklift tilt cylinder Pending JPS59123097U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1735983U JPS59123097U (en) 1983-02-08 1983-02-08 Hydraulic circuit for forklift tilt cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1735983U JPS59123097U (en) 1983-02-08 1983-02-08 Hydraulic circuit for forklift tilt cylinder

Publications (1)

Publication Number Publication Date
JPS59123097U true JPS59123097U (en) 1984-08-18

Family

ID=30148587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1735983U Pending JPS59123097U (en) 1983-02-08 1983-02-08 Hydraulic circuit for forklift tilt cylinder

Country Status (1)

Country Link
JP (1) JPS59123097U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62103599U (en) * 1985-12-19 1987-07-01

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5522080U (en) * 1978-07-31 1980-02-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5522080U (en) * 1978-07-31 1980-02-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62103599U (en) * 1985-12-19 1987-07-01

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