JPS5843122U - Work equipment control circuit - Google Patents

Work equipment control circuit

Info

Publication number
JPS5843122U
JPS5843122U JP13718181U JP13718181U JPS5843122U JP S5843122 U JPS5843122 U JP S5843122U JP 13718181 U JP13718181 U JP 13718181U JP 13718181 U JP13718181 U JP 13718181U JP S5843122 U JPS5843122 U JP S5843122U
Authority
JP
Japan
Prior art keywords
control circuit
equipment control
work equipment
electromagnetic clutch
working device
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
JP13718181U
Other languages
Japanese (ja)
Inventor
島 忠夫
隆 茂呂
Original Assignee
日立建機株式会社
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 日立建機株式会社 filed Critical 日立建機株式会社
Priority to JP13718181U priority Critical patent/JPS5843122U/en
Publication of JPS5843122U publication Critical patent/JPS5843122U/en
Pending legal-status Critical Current

Links

Landscapes

  • Component Parts Of Construction Machinery (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Protection Of Generators And Motors (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薗はトンネル掘進機を示す正断面図、第2図は同じ
く偏手断面図、第3図は従来のトンネル掘進機の制御回
路を示す図、第4図はこの考案に係るトンネル掘進機の
制御回路を示す図である。 2・・・・・・電動機、3・・・・・・電磁クラッチ、
5・・・・・・カッタ、10・・・・・・電磁接触器、
11・・・・・・過電流検出器、11b・・・・・・接
点、13・・・・・・起動スイッチ、14・・・・・・
停止スイッチ、17・・間クラッチ投入スイッチ、18
・・・・・・クラッチ開放スイッチ、19・・・・・・
電磁接触器、23・・・・・・タイマ、23b・・・・
・・接点。
The first section is a front cross-sectional view showing the tunnel excavating machine, the second figure is also an eccentric cross-sectional view, the third figure is a diagram showing the control circuit of a conventional tunnel excavating machine, and the fourth figure is a tunnel excavating machine according to this invention. It is a figure showing the control circuit of. 2... Electric motor, 3... Electromagnetic clutch,
5...Cutter, 10...Magnetic contactor,
11...Overcurrent detector, 11b...Contact, 13...Start switch, 14...
Stop switch, 17...Clutch engagement switch, 18
...Clutch release switch, 19...
Electromagnetic contactor, 23...Timer, 23b...
··contact.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 作業機に電磁クラッチを介して連結された電動機に過電
流が流れたときその電動機の電源を遮断する過電流検出
器を有する作業装置の制御回路において、上記電磁クラ
ッチが投入されてから所定時間作動するタイマの接点を
、上記過電流検出器の接点と並列に設けたことを特徴と
する作業装置の制御回路。
In a control circuit for a working device that has an overcurrent detector that cuts off power to the electric motor connected to the working device via an electromagnetic clutch when an overcurrent flows through the electric motor, the electromagnetic clutch is activated for a predetermined period of time after the electromagnetic clutch is engaged. A control circuit for a working device, characterized in that a timer contact is provided in parallel with a contact of the overcurrent detector.
JP13718181U 1981-09-17 1981-09-17 Work equipment control circuit Pending JPS5843122U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13718181U JPS5843122U (en) 1981-09-17 1981-09-17 Work equipment control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13718181U JPS5843122U (en) 1981-09-17 1981-09-17 Work equipment control circuit

Publications (1)

Publication Number Publication Date
JPS5843122U true JPS5843122U (en) 1983-03-23

Family

ID=29930473

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13718181U Pending JPS5843122U (en) 1981-09-17 1981-09-17 Work equipment control circuit

Country Status (1)

Country Link
JP (1) JPS5843122U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0350702U (en) * 1989-09-21 1991-05-17

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555490A (en) * 1978-10-20 1980-04-23 Hitachi Ltd Memory control system
JPS5674761A (en) * 1979-11-22 1981-06-20 Hitachi Ltd Information processor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555490A (en) * 1978-10-20 1980-04-23 Hitachi Ltd Memory control system
JPS5674761A (en) * 1979-11-22 1981-06-20 Hitachi Ltd Information processor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0350702U (en) * 1989-09-21 1991-05-17

Similar Documents

Publication Publication Date Title
JPS5843122U (en) Work equipment control circuit
JPS5855847U (en) Power tool safety device
JPS5844112U (en) Drilling machine safety device
JPS606775U (en) Elevator door safety device
JPS63117236U (en)
JPS5897999U (en) Engine drive generator slowdown device
JPS5956139U (en) car
JPS58108796U (en) Safety device for motor drive circuit
JPS6140398U (en) Refueling device
JPS6113539U (en) Electric motor protection device
JPS6031133U (en) work machine
JPS6086698U (en) Electrical circuit unit for power tools
JPS59111408U (en) Electric circuit of closed switchboard lifting device
JPS58183657U (en) Tape recorder switching circuit with reverse function
JPS60184291U (en) electric heating equipment
JPS5814031U (en) Hydraulic pump drive structure of work vehicle
JPS5814435U (en) engine equipment
JPS607943U (en) Abnormality detection automatic operation stop device for automatic cutting machines
JPS58130399U (en) Cutting delay device
JPS627733U (en)
JPS58173531U (en) Work vehicle safety equipment
JPS59157764U (en) Die casting machine electrical control circuit
JPS59185084U (en) Alarm device for foot operated spot welding machine
JPS58159140U (en) Energy saving timer switch
JPH01138633U (en)