JPS6197457U - - Google Patents

Info

Publication number
JPS6197457U
JPS6197457U JP18092884U JP18092884U JPS6197457U JP S6197457 U JPS6197457 U JP S6197457U JP 18092884 U JP18092884 U JP 18092884U JP 18092884 U JP18092884 U JP 18092884U JP S6197457 U JPS6197457 U JP S6197457U
Authority
JP
Japan
Prior art keywords
travel
pedal
engine
pilot pressure
pump
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.)
Granted
Application number
JP18092884U
Other languages
Japanese (ja)
Other versions
JPH0410291Y2 (en
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 filed Critical
Priority to JP1984180928U priority Critical patent/JPH0410291Y2/ja
Publication of JPS6197457U publication Critical patent/JPS6197457U/ja
Application granted granted Critical
Publication of JPH0410291Y2 publication Critical patent/JPH0410291Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案一実施例の構成説明図、第２図
はオートデセル機構の構成説明図、第３図はペダ
ルストロークと圧力との関係説明図、第４図は圧
力とシリンダストロークとの関係説明図、第５図
はシリンダストロークとエンジン回転数との関係
説明図である。 ６は走行操作弁、１５は走行切換電磁弁、２２
はオートデセル機構。 Fig. 1 is an explanatory diagram of the configuration of an embodiment of the present invention, Fig. 2 is an explanatory diagram of the configuration of the auto-deceleration mechanism, Fig. 3 is an explanatory diagram of the relationship between pedal stroke and pressure, and Fig. 4 is an explanatory diagram of the relationship between pressure and cylinder stroke. The explanatory diagram, FIG. 5, is an explanatory diagram of the relationship between cylinder stroke and engine rotation speed. 6 is a travel operation valve, 15 is a travel switching solenoid valve, 22
is an auto-deceleration mechanism.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジン３４により回転駆動される走行用ポン
プ１からの吐出油の走行モータ１２への供給の切
換えを行う走行操作弁６と、パイロツトポンプ３
からの走行操作弁６の切換用のパイロツト圧を切
換選択する走行切換電磁弁１５と、パイロツトポ
ンプ３の吐出側に設けられてペダルストロークに
よりパイロツト圧を発生させる走行用ペダル１８
と、走行用ペダル１８のペダルストロークにより
発生したパイロツト圧により作動してエンジン３
４の回転制御を行うオードデセル機構２２とを備
えたことを特徴とするホイール式のパワーシヨベ
ルのエンジン回転制御装置。 A travel operation valve 6 that switches the supply of oil discharged from the travel pump 1 rotationally driven by the engine 34 to the travel motor 12, and a pilot pump 3.
A travel switching solenoid valve 15 that switches and selects the pilot pressure for switching the travel operation valve 6 from the vehicle, and a travel pedal 18 that is provided on the discharge side of the pilot pump 3 and generates pilot pressure by a pedal stroke.
The engine 3 is actuated by the pilot pressure generated by the pedal stroke of the travel pedal 18.
4. An engine rotation control device for a wheel-type power shovel, characterized in that it is equipped with an auto-deceleration mechanism 22 for controlling the rotation of the wheel-type power shovel.
JP1984180928U 1984-11-30 1984-11-30 Expired JPH0410291Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984180928U JPH0410291Y2 (en) 1984-11-30 1984-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984180928U JPH0410291Y2 (en) 1984-11-30 1984-11-30

Publications (2)

Publication Number Publication Date
JPS6197457U true JPS6197457U (en) 1986-06-23
JPH0410291Y2 JPH0410291Y2 (en) 1992-03-13

Family

ID=30738487

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984180928U Expired JPH0410291Y2 (en) 1984-11-30 1984-11-30

Country Status (1)

Country Link
JP (1) JPH0410291Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5253189A (en) * 1975-10-27 1977-04-28 Hitachi Constr Mach Co Ltd Controller, in hydraulic unit
JPS5254876A (en) * 1975-10-28 1977-05-04 Caterpillar Tractor Co Balance change valve for changing pressure which is held at central position by means of spring
JPS5362524U (en) * 1976-10-26 1978-05-26

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5253189A (en) * 1975-10-27 1977-04-28 Hitachi Constr Mach Co Ltd Controller, in hydraulic unit
JPS5254876A (en) * 1975-10-28 1977-05-04 Caterpillar Tractor Co Balance change valve for changing pressure which is held at central position by means of spring
JPS5362524U (en) * 1976-10-26 1978-05-26

Also Published As

Publication number Publication date
JPH0410291Y2 (en) 1992-03-13

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