JPH02132753U - - Google Patents

Info

Publication number
JPH02132753U
JPH02132753U JP4044389U JP4044389U JPH02132753U JP H02132753 U JPH02132753 U JP H02132753U JP 4044389 U JP4044389 U JP 4044389U JP 4044389 U JP4044389 U JP 4044389U JP H02132753 U JPH02132753 U JP H02132753U
Authority
JP
Japan
Prior art keywords
vehicle body
lift cylinder
motor grader
brake lift
accumulator
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
JP4044389U
Other languages
Japanese (ja)
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 JP4044389U priority Critical patent/JPH02132753U/ja
Publication of JPH02132753U publication Critical patent/JPH02132753U/ja
Pending legal-status Critical Current

Links

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  • Operation Control Of Excavators (AREA)

Description

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

第１図は本考案の実施例の油圧回路図、第２図
は本考案の振動系図、第３図はモータグレーダの
車両全体図、第４図は従来のモータグレーダにお
ける作業機の油圧回路図である。 １……車体、２……作業機、３……前輪、４…
…後輪、５……ブレードリフトシリンダー、６…
…アキユムレータ、７……可変しぼり、８−１，
８−２……ブレード操作弁、９……切換弁。 Fig. 1 is a hydraulic circuit diagram of an embodiment of the present invention, Fig. 2 is a vibration system diagram of the present invention, Fig. 3 is an overall view of a motor grader vehicle, and Fig. 4 is a hydraulic circuit diagram of a working machine in a conventional motor grader. It is. 1...Vehicle body, 2...Work equipment, 3...Front wheel, 4...
...Rear wheel, 5...Blade lift cylinder, 6...
...Accumulator, 7...Variable squeezer, 8-1,
8-2...Blade operating valve, 9...Switching valve.

Claims (1)

【実用新案登録請求の範囲】 (1) 車体の前輪と後輪の間に作業機をブレーキ
リフトシリンダにより昇降可能に支持し、車体に
サスペンシヨンを具えないモータグレーダにおい
て、ブレーキリフトシリンダのロツド側油圧回路
にアキユムレータを接続し、車体走行時の振動を
作業機よりなる副振動系の振動により抑制するよ
うに構成したことを特徴とするモータグレーダの
振動抑制装置。 (2) ブレーキリフトシリンダとアキユムレータ
の間の油圧回路に可変絞りおよび切換弁を配置し
た請求項(1)記載のモータグレーダの振動抑制装
置。[Scope of Claim for Utility Model Registration] (1) In a motor grader in which a working machine is supported between the front wheels and rear wheels of the vehicle body so that it can be raised and lowered by a brake lift cylinder, and the vehicle body is not equipped with a suspension, the rod side of the brake lift cylinder 1. A vibration suppression device for a motor grader, characterized in that an accumulator is connected to a hydraulic circuit, and vibrations during vehicle body movement are suppressed by vibrations of a sub-vibration system consisting of a working machine. (2) The vibration suppression device for a motor grader according to claim (1), wherein a variable throttle and a switching valve are arranged in the hydraulic circuit between the brake lift cylinder and the accumulator.
JP4044389U 1989-04-07 1989-04-07 Pending JPH02132753U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4044389U JPH02132753U (en) 1989-04-07 1989-04-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4044389U JPH02132753U (en) 1989-04-07 1989-04-07

Publications (1)

Publication Number Publication Date
JPH02132753U true JPH02132753U (en) 1990-11-05

Family

ID=31550238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4044389U Pending JPH02132753U (en) 1989-04-07 1989-04-07

Country Status (1)

Country Link
JP (1) JPH02132753U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018147096A1 (en) * 2017-02-13 2018-08-16 株式会社小松製作所 Work vehicle and work vehicle control method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5948531A (en) * 1982-09-09 1984-03-19 Komatsu Ltd Blade link mechanism for motor grader
JPS63265024A (en) * 1987-04-20 1988-11-01 Kobe Steel Ltd Vibration suppressor for vehicular construction machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5948531A (en) * 1982-09-09 1984-03-19 Komatsu Ltd Blade link mechanism for motor grader
JPS63265024A (en) * 1987-04-20 1988-11-01 Kobe Steel Ltd Vibration suppressor for vehicular construction machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018147096A1 (en) * 2017-02-13 2018-08-16 株式会社小松製作所 Work vehicle and work vehicle control method
JP2018131733A (en) * 2017-02-13 2018-08-23 株式会社小松製作所 Working vehicle and control method of working vehicle

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