JPS59169401U - hydraulic equipment - Google Patents

hydraulic equipment

Info

Publication number
JPS59169401U
JPS59169401U JP6300083U JP6300083U JPS59169401U JP S59169401 U JPS59169401 U JP S59169401U JP 6300083 U JP6300083 U JP 6300083U JP 6300083 U JP6300083 U JP 6300083U JP S59169401 U JPS59169401 U JP S59169401U
Authority
JP
Japan
Prior art keywords
cylinder
hydraulic
hydraulic equipment
head side
accumulator
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
JP6300083U
Other languages
Japanese (ja)
Inventor
伊東 利恭
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP6300083U priority Critical patent/JPS59169401U/en
Publication of JPS59169401U publication Critical patent/JPS59169401U/en
Pending legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (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 the drawing]

第1図は従来技術によるアンロード式液圧装置の略系統
図、第2図はシリンダーの液消費量の例を示すグラフ、
第3図は第1図の可変吐出ポンプ式液圧装置系統図、第
4図は第1図のレリーフ式液圧回路図、第5図は本考案
の実施例のリフター回路を説明する系統図、第6図は第
5図の操作順序説明図、第7図は本考案の実施例による
効果の比較概念説明図である。 1・・・タンク、2・・・ポンプ、3・・・アキュムレ
ータ、4・・・圧力開閉器、5・・・切換弁、6・・・
レリーフ弁、7・・・シリンダ、8・・・シリンダ、9
・・・シリンダ、21・・・シリンダ、22・・・コイ
ル、23・・・アキュムレータ、24・・・液圧源。 竿 4m 茅りm
Fig. 1 is a schematic system diagram of an unloading type hydraulic device according to the prior art, Fig. 2 is a graph showing an example of liquid consumption of a cylinder,
Figure 3 is a system diagram of the variable discharge pump type hydraulic system shown in Figure 1, Figure 4 is a relief type hydraulic circuit diagram of Figure 1, and Figure 5 is a system diagram explaining the lifter circuit of the embodiment of the present invention. , FIG. 6 is an explanatory diagram of the operation sequence of FIG. 5, and FIG. 7 is a conceptual diagram illustrating a comparative effect of the embodiment of the present invention. 1...Tank, 2...Pump, 3...Accumulator, 4...Pressure switch, 5...Switching valve, 6...
relief valve, 7... cylinder, 8... cylinder, 9
... cylinder, 21 ... cylinder, 22 ... coil, 23 ... accumulator, 24 ... hydraulic pressure source. Pole 4m Kayari m

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 液圧シリンダーを設け、シリンダーのロンド側を上方に
向けて、該シリンダーのヘッド側に液圧を導入すること
により重量物を上下させるリフターを含む液圧回路にお
いて、シリンダーのヘッド側の液圧配管にアキュムレー
タを設けたことを特徴とする液圧装置。
In a hydraulic circuit including a lifter that raises and lowers a heavy object by installing a hydraulic cylinder, with the rond side of the cylinder facing upward, and introducing hydraulic pressure into the head side of the cylinder, the hydraulic piping on the head side of the cylinder. A hydraulic device characterized by being provided with an accumulator.
JP6300083U 1983-04-28 1983-04-28 hydraulic equipment Pending JPS59169401U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6300083U JPS59169401U (en) 1983-04-28 1983-04-28 hydraulic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6300083U JPS59169401U (en) 1983-04-28 1983-04-28 hydraulic equipment

Publications (1)

Publication Number Publication Date
JPS59169401U true JPS59169401U (en) 1984-11-13

Family

ID=30193189

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6300083U Pending JPS59169401U (en) 1983-04-28 1983-04-28 hydraulic equipment

Country Status (1)

Country Link
JP (1) JPS59169401U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH068387U (en) * 1992-01-29 1994-02-01 杉安工業株式会社 Lift hydraulic circuit
JP2009515100A (en) * 2005-11-02 2009-04-09 ハイダック テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツング hydraulic unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH068387U (en) * 1992-01-29 1994-02-01 杉安工業株式会社 Lift hydraulic circuit
JP2009515100A (en) * 2005-11-02 2009-04-09 ハイダック テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツング hydraulic unit

Similar Documents

Publication Publication Date Title
JPS59169401U (en) hydraulic equipment
JPS595599U (en) Control circuit for clamper for forklift truck
JPS58142497U (en) Cooling device in tank equipment
JPS60494U (en) Excavator hydraulic circuit
JPS58137007U (en) Mobile agricultural machinery hydraulic system
JPS6061503U (en) Hydraulic system for lifting equipment
JPS59106510U (en) Sludge supply device for pressure dehydrator
JPS5982919U (en) Liquid supply device to extruder
JPS59172801U (en) hydraulic circuit
JPS6089198U (en) liquid conveyance system
JPS59177803U (en) Hydraulic supply control device
JPS5950996U (en) Forklift lifting device
JPS5830793U (en) Submerged pump lifting device
JPS58176156U (en) Hydraulic tag line hydraulic circuit
JPS58109605U (en) Work equipment hydraulic circuit
JPS58134300U (en) press clutch circuit
JPS6121774U (en) Hydraulic circuit of lifting magnet generator
JPS58102600U (en) Forklift hydraulic circuit
JPS5991927U (en) Hydraulic power take-off device
JPS59168003U (en) hydraulic circuit
JPS6087383U (en) pump equipment
JPS58178501U (en) Hydraulic oil tank pressurization device
JPS5998102U (en) Hydraulic operating circuit
JPS6030595U (en) Coolant circulation device
JPS581096U (en) Forklift truck hydraulic circuit