JPH0424636U - - Google Patents
Info
- Publication number
- JPH0424636U JPH0424636U JP6535290U JP6535290U JPH0424636U JP H0424636 U JPH0424636 U JP H0424636U JP 6535290 U JP6535290 U JP 6535290U JP 6535290 U JP6535290 U JP 6535290U JP H0424636 U JPH0424636 U JP H0424636U
- Authority
- JP
- Japan
- Prior art keywords
- attachment
- engine
- rotation speed
- amount
- variable
- 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
Links
- 239000000446 fuel Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims 5
- 238000001514 detection method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Description
図面は本考案の実施例の構成を概念的に示すブ
ロツク図である。
１……エンジン、２……燃料噴射ポンプ部、３
……アクチユエータ、４……コントローラ、５…
…エンジン回転設定用ボリユウム、６……油圧ポ
ンプ、７……操作弁、９……ブレーカ用ペダル、
１０……ＰＰＣ弁、１１……圧力スイツチ。
The drawing is a block diagram conceptually showing the configuration of an embodiment of the present invention. 1...Engine, 2...Fuel injection pump section, 3
...Actuator, 4...Controller, 5...
...Engine rotation setting volume, 6...Hydraulic pump, 7...Operation valve, 9...Breaker pedal,
10...PPC valve, 11...pressure switch.
Claims (1)
転数に応じた流量の油を吐出する油圧ポンプと、
供給される油の流量に応じた駆動力を発生するア
タツチメントと、前記油圧ポンプから吐出される
油を操作量に応じて前記アツチメントに供給する
アタツチメント用操作ペダルと、前記エンジンの
燃料噴射量を可変して前記エンジンの回転数を目
標回転数にする可変手段とを具え、前記アタツチ
メントが使用されている場合に前記可変手段によ
つて前記アタツチメントが所定の駆動力を発生す
るように前記エンジンの燃料噴射量を可変するよ
うにしたアタツチメント付建設機械のエンジン回
転数制御装置において、 前記アタツチメント用操作ペダルの操作量を検
出する検出手段と、 前記検出手段によつて前記アタツチメント用ペ
ダルが所定操作量以上操作されたことが検出され
た際に前記アタツチメントが所定の駆動力を発生
するように前記可変手段を制御する制御手段と を具えたことを特徴とするアタツチメント付建設
機械のエンジン回転数制御装置。 (2) 前記アタツチメントはブレーカである請求
項(1)記載のアタツチメント付建設機械のエンジ
ン回転数制御装置。 (3) エンジンによつて駆動され、エンジンの回
転数に応じた流量の油を吐出する油圧ポンプと、
供給される油の流量に応じた駆動力を発生するア
タツチメントと、前記油圧ポンプから吐出される
油を操作量に応じて前記アタツチメントに供給す
るアタツチメント用操作ペダルと、前記エンジン
の燃料噴射量を可変して前記エンジンの回転数を
目標回転数にする可変手段とを具え、前記アタツ
チメントが使用されている場合に前記可変手段に
よつて前記アタツチメントが所定の駆動力を発生
するように前記エンジンの燃料噴射量を可変する
ようにしたアタツチメント付建設機械のエンジン
回転数制御装置において、 前記アタツチメント用操作ペダルの操作量を検
出する検出手段と、 前記アタツチメントの種類に応じて前記エンジ
ンの目標回転数を設定する設定手段と、 前記検出手段によつて前記アタツチメント用操
作ペダルが所定操作量以上操作されたことが検出
された際に、前記エンジンの回転数が前記設定手
段によつて設定された目標回転数になるように前
記可変手段を制御する制御手段と を具えたことを特徴とするアタツチメント付建設
機械のエンジン回転数制御装置。[Scope of Claim for Utility Model Registration] (1) A hydraulic pump that is driven by an engine and discharges oil at a flow rate according to the engine rotation speed;
an attachment that generates a driving force according to the flow rate of supplied oil; an operation pedal for the attachment that supplies oil discharged from the hydraulic pump to the attachment according to the amount of operation; and a variable amount of fuel injection for the engine. and a variable means for setting the rotational speed of the engine to a target rotational speed, the variable means controlling the fuel of the engine so that the attachment generates a predetermined driving force when the attachment is used. An engine rotation speed control device for a construction machine with an attachment that varies the injection amount, comprising: a detection means for detecting the operation amount of the attachment operation pedal; and the detection means detects when the attachment pedal is operated by a predetermined operation amount or more. 1. An engine rotation speed control device for a construction machine with an attachment, comprising: control means for controlling the variable means so that the attachment generates a predetermined driving force when it is detected that the attachment has been operated. (2) The engine rotation speed control device for a construction machine with an attachment according to claim (1), wherein the attachment is a breaker. (3) A hydraulic pump that is driven by the engine and discharges oil at a flow rate that corresponds to the engine rotation speed;
an attachment that generates a driving force according to the flow rate of supplied oil; an operation pedal for the attachment that supplies oil discharged from the hydraulic pump to the attachment according to the amount of operation; and a variable amount of fuel injection for the engine. and a variable means for setting the rotational speed of the engine to a target rotational speed, the variable means controlling the fuel of the engine so that the attachment generates a predetermined driving force when the attachment is used. An engine rotation speed control device for a construction machine with an attachment that varies the injection amount, comprising: a detection means for detecting the operation amount of the attachment operation pedal; and a target rotation speed of the engine is set according to the type of the attachment. a setting means for setting the rotation speed of the engine to a target rotation speed set by the setting means when the detection means detects that the attachment operation pedal has been operated by a predetermined operation amount or more; 1. An engine rotation speed control device for a construction machine with an attachment, comprising a control means for controlling the variable means so that
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6535290U JPH0424636U (en) | 1990-06-20 | 1990-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6535290U JPH0424636U (en) | 1990-06-20 | 1990-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0424636U true JPH0424636U (en) | 1992-02-27 |
Family
ID=31597105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6535290U Pending JPH0424636U (en) | 1990-06-20 | 1990-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424636U (en) |
-
1990
- 1990-06-20 JP JP6535290U patent/JPH0424636U/ja active Pending
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