JPS5894747U - Hydraulic grab bucket opening/closing control device - Google Patents

Hydraulic grab bucket opening/closing control device

Info

Publication number
JPS5894747U
JPS5894747U JP19047681U JP19047681U JPS5894747U JP S5894747 U JPS5894747 U JP S5894747U JP 19047681 U JP19047681 U JP 19047681U JP 19047681 U JP19047681 U JP 19047681U JP S5894747 U JPS5894747 U JP S5894747U
Authority
JP
Japan
Prior art keywords
motor
grab bucket
control device
closing control
opening
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
JP19047681U
Other languages
Japanese (ja)
Inventor
裕 松原
Original Assignee
石川島播磨重工業株式会社
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 石川島播磨重工業株式会社 filed Critical 石川島播磨重工業株式会社
Priority to JP19047681U priority Critical patent/JPS5894747U/en
Publication of JPS5894747U publication Critical patent/JPS5894747U/en
Pending legal-status Critical Current

Links

Landscapes

  • Load-Engaging Elements For Cranes (AREA)
  • 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図は従来の油圧式グラブバケット開閉制御装置の一
例を示す回路図、第２図Ａ乃至Ｊは第１図の装置の動作
を示すタイムチャート、第３図は本考案にかかる油圧式
グラブバケット開閉制御装置の一構成例を示す回路図、
第４図Ａ乃至Ｍは第３図の装置の動作を示すタイムチャ
ートである。 Ｃ８１・・・油圧式グラブバケット開閉制御装置、ＧＢ
・・・グラブバケット、Ｍ・・・モーター、ＲＢ・・・
リレー装置、ＳＣ・・・第１のタイマー装置、ＳＯ・・
・第２のタイマー装置、ＴＣ・・・閉作動用スイッチ、
ＴＯ・・・開作動用スイッチ。Fig. 1 is a circuit diagram showing an example of a conventional hydraulic grab bucket opening/closing control device, Fig. 2 A to J are time charts showing the operation of the device in Fig. 1, and Fig. 3 is a hydraulic grab bucket according to the present invention. A circuit diagram showing a configuration example of a bucket opening/closing control device,
4A to 4M are time charts showing the operation of the apparatus of FIG. 3. C81...Hydraulic grab bucket opening/closing control device, GB
...Grab bucket, M...Motor, RB...
Relay device, SC...first timer device, SO...
・Second timer device, TC... switch for closing operation,
TO...Switch for opening operation.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] グラブバケット開閉用油圧機構の油圧ポンプ動力源であ
るモーターと、このモーターを駆動させ且つ前記油圧機
構にグラブバケットを閉動作させる旨指定する閉作動用
スイッチと、前記モーターを駆動させ且つ前記油圧機構
にグラブバケットを開動作させる旨指定する開作動用ス
イッチとを具えた油圧式グラブバケット開閉制御装置に
おいて、前記モーターの停止時に前記閉作動用スイッチ
が操作されることにより前記モーターを一定時間駆“　
　動する第１のタイマー装置と、前記モータの停止時に
前記開作動用スイッチが操作されることにより前記モー
ターを一定時間駆動する第２のタイマー装置とを備えた
ことを特徴とする油圧式グラブバケット開閉制御装置。A motor that is a hydraulic pump power source of a hydraulic mechanism for opening and closing a grab bucket; a closing switch that drives the motor and specifies that the hydraulic mechanism closes the grab bucket; In a hydraulic grab bucket opening/closing control device comprising an opening operation switch that specifies that the grab bucket is to be opened when the motor is stopped, the motor is driven for a certain period of time by operating the closing operation switch when the motor is stopped.
A hydraulic grab bucket comprising: a first timer device that operates the motor; and a second timer device that drives the motor for a certain period of time when the opening operation switch is operated when the motor is stopped. Opening/closing control device.
JP19047681U 1981-12-21 1981-12-21 Hydraulic grab bucket opening/closing control device Pending JPS5894747U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19047681U JPS5894747U (en) 1981-12-21 1981-12-21 Hydraulic grab bucket opening/closing control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19047681U JPS5894747U (en) 1981-12-21 1981-12-21 Hydraulic grab bucket opening/closing control device

Publications (1)

Publication Number Publication Date
JPS5894747U true JPS5894747U (en) 1983-06-27

Family

ID=30104051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19047681U Pending JPS5894747U (en) 1981-12-21 1981-12-21 Hydraulic grab bucket opening/closing control device

Country Status (1)

Country Link
JP (1) JPS5894747U (en)

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