JPS592785U - Emergency lowering device for cargo handling machines - Google Patents

Emergency lowering device for cargo handling machines

Info

Publication number
JPS592785U
JPS592785U JP5802483U JP5802483U JPS592785U JP S592785 U JPS592785 U JP S592785U JP 5802483 U JP5802483 U JP 5802483U JP 5802483 U JP5802483 U JP 5802483U JP S592785 U JPS592785 U JP S592785U
Authority
JP
Japan
Prior art keywords
line
emergency
hydraulic pump
lowering device
brake
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
JP5802483U
Other languages
Japanese (ja)
Other versions
JPS6127910Y2 (en
Inventor
保科　久夫
鈴木　厚郎
Original Assignee
株式会社荏原製作所
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 株式会社荏原製作所 filed Critical 株式会社荏原製作所
Priority to JP5802483U priority Critical patent/JPS592785U/en
Publication of JPS592785U publication Critical patent/JPS592785U/en
Application granted granted Critical
Publication of JPS6127910Y2 publication Critical patent/JPS6127910Y2/ja
Granted legal-status Critical Current

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  • 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図は本考案の一実施例を示す回路図、第２図は他の
実施例を示す回路図である。　　１・・・・・・油圧ポ
ンプ、２・・・・・・正転ライン、３・・・・・・逆転
ライン、４・・・・・・油圧モータ、７・・・・・・負
荷、９・・・・・・補助ブレーキ装置、１０・・・・・
・ブレーキライン、１３・・・・・・分岐ライン、１４
・・・・・・可変絞り兼ストップ弁、１５・・・・・・
非常用油圧ポンプ、２１・・・・・・別の油圧モータ、
２２・・・・・・絞り弁、２３・・・・・・ハイドロバ
ルブ。FIG. 1 is a circuit diagram showing one embodiment of the present invention, and FIG. 2 is a circuit diagram showing another embodiment. 1...Hydraulic pump, 2...Forward rotation line, 3...Reverse rotation line, 4...Hydraulic motor, 7...Load, 9... Auxiliary brake device, 10...
・Brake line, 13...Branch line, 14
・・・・・・Variable throttle/stop valve, 15・・・・・・
Emergency hydraulic pump, 21... Another hydraulic motor,
22... Throttle valve, 23... Hydro valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油圧ポンプと油圧モータとが正転ラインと逆転ラインで
接続され、その油圧ポンプによって駆動される油圧モー
タと関連して作動するワイヤードラムを備え、そのワイ
ヤードラムや油圧モータに補助ブレーキ装置を有する荷
投機械の非常巻下げ装置において、正転ラインと逆転ラ
インとを結ぶ、分岐ラインを設け、その分岐ラインに巻
下げ速度を制御する装置が設けられており、かつ、補助
ブレーキ装置に圧油を掛けることによってブレーキを解
放するブレーキラインを設け、その補助ブレーキ装置に
圧油を掛けるためのブレーキラインには手動で回転でき
る非常用油圧ポンプが接続されており、さらにその非常
用油圧ポンプの吐出ラインは分岐ラインにも接続されて
いることを特徴とする荷投機械の非常巻下げ装置。A load in which a hydraulic pump and a hydraulic motor are connected through a forward rotation line and a reverse rotation line, and a wire drum that operates in conjunction with the hydraulic motor driven by the hydraulic pump is provided, and the wire drum and hydraulic motor are equipped with an auxiliary brake device. In the emergency lowering device of a throwing machine, a branch line is provided that connects the forward rotation line and the reverse rotation line, and the branch line is equipped with a device that controls the lowering speed, and the auxiliary brake device is supplied with pressure oil. A brake line is provided to release the brake by applying it, and an emergency hydraulic pump that can be rotated manually is connected to the brake line for applying pressure oil to the auxiliary brake device, and a discharge line for the emergency hydraulic pump is also connected. An emergency lowering device for a loading machine, characterized in that it is also connected to a branch line.
JP5802483U 1983-04-20 1983-04-20 Emergency lowering device for cargo handling machines Granted JPS592785U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5802483U JPS592785U (en) 1983-04-20 1983-04-20 Emergency lowering device for cargo handling machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5802483U JPS592785U (en) 1983-04-20 1983-04-20 Emergency lowering device for cargo handling machines

Publications (2)

Publication Number Publication Date
JPS592785U true JPS592785U (en) 1984-01-09
JPS6127910Y2 JPS6127910Y2 (en) 1986-08-19

Family

ID=30188312

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5802483U Granted JPS592785U (en) 1983-04-20 1983-04-20 Emergency lowering device for cargo handling machines

Country Status (1)

Country Link
JP (1) JPS592785U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001341977A (en) * 2000-06-01 2001-12-11 Ishikawajima Harima Heavy Ind Co Ltd Hoist crane

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938340A (en) * 1972-08-25 1974-04-10
JPS50118694U (en) * 1974-03-12 1975-09-27

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938340A (en) * 1972-08-25 1974-04-10
JPS50118694U (en) * 1974-03-12 1975-09-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001341977A (en) * 2000-06-01 2001-12-11 Ishikawajima Harima Heavy Ind Co Ltd Hoist crane

Also Published As

Publication number Publication date
JPS6127910Y2 (en) 1986-08-19

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