JPS5899137U - Dump truck operation control device - Google Patents

Dump truck operation control device

Info

Publication number
JPS5899137U
JPS5899137U JP19739881U JP19739881U JPS5899137U JP S5899137 U JPS5899137 U JP S5899137U JP 19739881 U JP19739881 U JP 19739881U JP 19739881 U JP19739881 U JP 19739881U JP S5899137 U JPS5899137 U JP S5899137U
Authority
JP
Japan
Prior art keywords
solenoid
control device
hydraulic cylinder
operation control
supply pipe
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
JP19739881U
Other languages
Japanese (ja)
Inventor
藤浪　市郎
楠本　喜重
Original Assignee
極東開発工業株式会社
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 極東開発工業株式会社 filed Critical 極東開発工業株式会社
Priority to JP19739881U priority Critical patent/JPS5899137U/en
Publication of JPS5899137U publication Critical patent/JPS5899137U/en
Pending 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 drawings]

第１図は本発明の油圧系統図、第２図は電気系統図、第
３図は従来のコントロール装置を示す図　　　　　′で
ある。 １は荷箱、４は油圧シリンダ、５は油圧ポンプ、６は主
管、７は吐出口、８は供給管、１０は戻し管、１１はタ
ンク、１３は第１ソレノイドバルブ、１４は第２ソレノ
イドバルブ、１５．１６はスプリング。　　　　　、FIG. 1 is a hydraulic system diagram of the present invention, FIG. 2 is an electrical system diagram, and FIG. 3 is a diagram illustrating a conventional control device. 1 is a cargo box, 4 is a hydraulic cylinder, 5 is a hydraulic pump, 6 is a main pipe, 7 is a discharge port, 8 is a supply pipe, 10 is a return pipe, 11 is a tank, 13 is a first solenoid valve, 14 is a second solenoid Valve, 15.16 is spring. ,

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油圧ポンプの吐出口に接続する主管の先端より分岐して
荷箱をダンプさせる油圧シリンダに連絡する供給管と、
タンク又は油圧ポンプの吸入口に連絡する戻し管とをそ
れぞれ設け、前記供給管と前記戻し管とには連通、遮断
できるポペット式のソレノイドバルブをそれぞれ介装し
、前記供給管のソレノイドバルブはソレノイド通電時に
油圧シリンダからの排出油をタンク側へ流出できる連通
位置へ切換えられ、又ソレノイドへの通電が断たれたと
きには前記油圧シリンダからの流出を防止する遮断位置
にスプリングにより切換えられるようにしたことを特徴
とするダンプカーの作動コントロール装置。a supply pipe that branches from the tip of the main pipe connected to the discharge port of the hydraulic pump and connects to the hydraulic cylinder that dumps the cargo box;
A return pipe that communicates with the suction port of the tank or the hydraulic pump is provided, and a poppet-type solenoid valve that can communicate with and shut off the supply pipe and the return pipe is interposed respectively, and the solenoid valve of the supply pipe is a solenoid valve. When the solenoid is energized, the solenoid is switched to a communication position where the oil discharged from the hydraulic cylinder can flow out to the tank side, and when the energization to the solenoid is cut off, the solenoid is switched to the cutoff position where oil is prevented from flowing out from the hydraulic cylinder. A dump truck operation control device featuring:
JP19739881U 1981-12-26 1981-12-26 Dump truck operation control device Pending JPS5899137U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19739881U JPS5899137U (en) 1981-12-26 1981-12-26 Dump truck operation control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19739881U JPS5899137U (en) 1981-12-26 1981-12-26 Dump truck operation control device

Publications (1)

Publication Number Publication Date
JPS5899137U true JPS5899137U (en) 1983-07-06

Family

ID=30110621

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19739881U Pending JPS5899137U (en) 1981-12-26 1981-12-26 Dump truck operation control device

Country Status (1)

Country Link
JP (1) JPS5899137U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0360468U (en) * 1989-10-12 1991-06-13
JP2018167641A (en) * 2017-03-29 2018-11-01 株式会社Ihi Hydraulic brake release device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4943226A (en) * 1972-08-31 1974-04-23
JPS5539841U (en) * 1978-09-06 1980-03-14

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4943226A (en) * 1972-08-31 1974-04-23
JPS5539841U (en) * 1978-09-06 1980-03-14

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0360468U (en) * 1989-10-12 1991-06-13
JP2018167641A (en) * 2017-03-29 2018-11-01 株式会社Ihi Hydraulic brake release device

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