JPS591845U - Construction machinery engine control device - Google Patents

Construction machinery engine control device

Info

Publication number
JPS591845U
JPS591845U JP9583382U JP9583382U JPS591845U JP S591845 U JPS591845 U JP S591845U JP 9583382 U JP9583382 U JP 9583382U JP 9583382 U JP9583382 U JP 9583382U JP S591845 U JPS591845 U JP S591845U
Authority
JP
Japan
Prior art keywords
engine
relay
rotation
rotation speed
turns
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
JP9583382U
Other languages
Japanese (ja)
Inventor
北田　智夫
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP9583382U priority Critical patent/JPS591845U/en
Publication of JPS591845U publication Critical patent/JPS591845U/en
Pending legal-status Critical Current

Links

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]

図面はこの考案め一実施例を示す回路図である。 １はエンジン、２−は回転数設定器、３は差動増幅器、
４は回転数検出器、７は増速リレ、８は減速リレ、１０
はアクチュエータ、１２は燃料制御レバ、２０は可変抵
抗器、２５は電圧比較回路。The drawing is a circuit diagram showing one embodiment of this invention. 1 is the engine, 2- is the rotation speed setting device, 3 is the differential amplifier,
4 is a rotation speed detector, 7 is a speed increase relay, 8 is a deceleration relay, 10
12 is an actuator, 12 is a fuel control lever, 20 is a variable resistor, and 25 is a voltage comparison circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジン１の回転数を任意に設定する回転検出器２と、
エンジン１を低速回転に設定する可変抵抗器２０と、作
業機使用時上記回転設定器２により設定された回転数を
、また作業機不使用時上記可変抵抗器２０で設定された
回転薮養差動増幅器４へ入力する電圧比較回路２５と、
エンジン１の回転数を検出する回転検出器４と、上記電
圧比較回路２５より入された値と、回転検出器４より入
力された値を比較し、出値より設定値が大きい場合に増
速リレ７を、また小さい場合に減速リレ８をオンする差
動増幅器３と、上記増速リレ７のオンとともにエンジン
゛１の燃料制御レバ１２を増速方向へ、また減速リレ８
のオンとともに燃料制御レバ１２ｓを減速方向へ駆動す
るアクチュエータ１０とを具備してなる建設機械のエン
ジン制御装置。a rotation detector 2 that arbitrarily sets the rotation speed of the engine 1;
A variable resistor 20 that sets the engine 1 to a low rotation speed, and a rotation speed difference that sets the rotation speed set by the rotation setting device 2 when the work machine is in use, and the rotation speed set by the variable resistor 20 when the work machine is not in use. a voltage comparator circuit 25 input to the dynamic amplifier 4;
A rotation detector 4 that detects the rotation speed of the engine 1 compares the value input from the voltage comparison circuit 25 with the value input from the rotation detector 4, and increases speed if the set value is larger than the output value. A differential amplifier 3 turns on relay 7, and also turns on deceleration relay 8 when the speed increasing relay 7 is turned on, and turns on the fuel control lever 12 of engine 1 in the speed increasing direction, and also turns on deceleration relay 8 when the speed increasing relay 7 is turned on.
An engine control device for construction machinery, comprising an actuator 10 that drives a fuel control lever 12s in a deceleration direction when turned on.
JP9583382U 1982-06-28 1982-06-28 Construction machinery engine control device Pending JPS591845U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9583382U JPS591845U (en) 1982-06-28 1982-06-28 Construction machinery engine control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9583382U JPS591845U (en) 1982-06-28 1982-06-28 Construction machinery engine control device

Publications (1)

Publication Number Publication Date
JPS591845U true JPS591845U (en) 1984-01-07

Family

ID=30228670

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9583382U Pending JPS591845U (en) 1982-06-28 1982-06-28 Construction machinery engine control device

Country Status (1)

Country Link
JP (1) JPS591845U (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5624775A (en) * 1979-08-06 1981-03-09 Teledyne Ind Electric connector
JPS56135722A (en) * 1980-03-25 1981-10-23 Japanese National Railways<Jnr> Electric speed regulator
JPS56141402A (en) * 1980-04-03 1981-11-05 Hitachi Constr Mach Co Ltd Control method for hydraulic system
JPS56159580A (en) * 1980-05-13 1981-12-08 Hitachi Constr Mach Co Ltd Method of controlling system including internal combustion engine and hydraulic pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5624775A (en) * 1979-08-06 1981-03-09 Teledyne Ind Electric connector
JPS56135722A (en) * 1980-03-25 1981-10-23 Japanese National Railways<Jnr> Electric speed regulator
JPS56141402A (en) * 1980-04-03 1981-11-05 Hitachi Constr Mach Co Ltd Control method for hydraulic system
JPS56159580A (en) * 1980-05-13 1981-12-08 Hitachi Constr Mach Co Ltd Method of controlling system including internal combustion engine and hydraulic pump

Similar Documents

Publication Publication Date Title
JPS591845U (en) Construction machinery engine control device
JPS592960U (en) Sudden acceleration detection device
JPS591846U (en) Construction machinery engine control device
JPS60170225U (en) Vehicle speed governor
JPS581426U (en) Electric wheelchair power steering control device
JPS60116052U (en) engine governor device
JPS6062898U (en) Engine generator voltage control device
JPS59184336U (en) Vehicle speed limiter
JPS6052388U (en) vehicle speed limiter
JPS5969697U (en) Mechanical governor motor speed control device
JPS58127145U (en) Rotational speed control device
JPS60122549U (en) electronic fuel injection system
JPS58154459U (en) Air fuel ratio control device
JPS603344U (en) Clutch drive control device
JPS59172699U (en) Rotation control device in Z-type propulsion device
JPS5937248U (en) Control circuit for tape winding
JPS5984229U (en) Engine starting booster
JPS58181948U (en) Vehicle body vibration reduction device
JPS5849340U (en) tape recorder
JPS5922951U (en) engine control device
JPS59149495U (en) DC motor rotation speed control circuit
JPS59119624U (en) voltage limit circuit
JPS6070723U (en) Vehicle turbo indicator
JPS5994191U (en) Protective device for vehicle air conditioning compressor
JPS6043153U (en) electronic governor