JPS6342844U - - Google Patents
Info
- Publication number
- JPS6342844U JPS6342844U JP13707986U JP13707986U JPS6342844U JP S6342844 U JPS6342844 U JP S6342844U JP 13707986 U JP13707986 U JP 13707986U JP 13707986 U JP13707986 U JP 13707986U JP S6342844 U JPS6342844 U JP S6342844U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- spring
- solenoid valve
- engine
- accelerator lever
- 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
- 239000003921 oil Substances 0.000 claims 3
- 238000010276 construction Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 239000013642 negative control Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Description
第１図は本考案のエンジン用アクセルレバ装置
の油圧回路および構成図、第２図は従来技術のエ
ンジン用アクセルレバ装置および油圧回路図であ
る。
２Ｌ，２Ｒ……左，右操作レバ、１５……エン
ジン、１６……アクセルレバ、１７，１７’……
手動レバ、２１……センタバイパス出口側油路、
３３……センサ、３４……スプリング付シリンダ
、４４……電磁弁、４６……コントローラ。
FIG. 1 is a hydraulic circuit and configuration diagram of an engine accelerator lever device of the present invention, and FIG. 2 is a conventional engine accelerator lever device and hydraulic circuit diagram. 2L, 2R...Left and right operating levers, 15...Engine, 16...Accelerator lever, 17, 17'...
Manual lever, 21...Center bypass outlet side oil passage,
33...Sensor, 34...Cylinder with spring, 44...Solenoid valve, 46...Controller.
Claims (1)
にあるとき、エンジンのアクセルレバを高速回転
位置より低速回転位置に切換せしめる装置におい
て、エンジン用アクセルレバを連動せしめる手動
レバ付近にスプリング付シリンダを設け、上記手
動レバ先端部をスプリング付シリンダ用ピストン
ロツド先端の長穴付プレートに接続し、また上記
スプリング付シリンダと油圧ポンプとの油路中間
に電磁弁を介設せしめ、一方、各種油圧アクチユ
エータ用切換弁のうちの最下流側切換弁のセンタ
バイパス出口側油路に油圧または流量に感応する
検出部を持つセンサを設け、該センサからのネガ
コン圧力または作動油流量信号をコントローラを
介して増幅し、その出力を上記電磁弁に作用可能
とするとともに、その電磁弁の切換作動によりス
プリング付シリンダを作動可能に構成したことを
特徴とする建設機械用エンジンのアクセルレバ作
動装置。 In a device that switches an engine accelerator lever from a high-speed rotation position to a low-speed rotation position when all work operation levers of a construction machine are in a non-operational state, a cylinder with a spring is provided near the manual lever that interlocks the engine accelerator lever. , the tip of the manual lever is connected to a plate with an elongated hole at the tip of the piston rod for the cylinder with spring, and a solenoid valve is interposed between the oil path between the cylinder with spring and the hydraulic pump, and a switch for various hydraulic actuators is installed. A sensor having a detection part sensitive to oil pressure or flow rate is provided in the center bypass outlet side oil passage of the switching valve on the most downstream side of the valves, and a negative control pressure or hydraulic oil flow rate signal from the sensor is amplified via a controller, An accelerator lever operating device for an engine for construction machinery, characterized in that the output thereof can be applied to the solenoid valve, and a cylinder with a spring can be operated by switching the solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13707986U JPS6342844U (en) | 1986-09-05 | 1986-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13707986U JPS6342844U (en) | 1986-09-05 | 1986-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6342844U true JPS6342844U (en) | 1988-03-22 |
Family
ID=31040793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13707986U Pending JPS6342844U (en) | 1986-09-05 | 1986-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6342844U (en) |
-
1986
- 1986-09-05 JP JP13707986U patent/JPS6342844U/ja active Pending