JPH0365765U - - Google Patents
Info
- Publication number
- JPH0365765U JPH0365765U JP12507489U JP12507489U JPH0365765U JP H0365765 U JPH0365765 U JP H0365765U JP 12507489 U JP12507489 U JP 12507489U JP 12507489 U JP12507489 U JP 12507489U JP H0365765 U JPH0365765 U JP H0365765U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- oil
- hydraulic
- guided
- displacement
- 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
Landscapes
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
第１図は本考案の実施例に係る油圧回路図、第
２図はマルチローダの外観図である。
１……チルトシリンダ、３……リフトシリンダ
、４……デイスプレイスメントシリンダ、５……
第１ブーム、６……第２ブーム、９……油圧バル
ブ、１０，１１，１２，１３……電磁油圧切換バ
ルブ、１４……絞り弁、１５……チエツクバルブ
、１６……アキユムレータ。
FIG. 1 is a hydraulic circuit diagram according to an embodiment of the present invention, and FIG. 2 is an external view of a multiloader. 1...Tilt cylinder, 3...Lift cylinder, 4...Displacement cylinder, 5...
First boom, 6... Second boom, 9... Hydraulic valve, 10, 11, 12, 13... Electromagnetic hydraulic switching valve, 14... Throttle valve, 15... Check valve, 16... Accumulator.
Claims (1)
リンダ及びチルトシリンダと、レベリング機構用
のデイスプレイスメントシリンダとを有する建設
機械において、作業制御用の油圧バルブとリフト
シリンダを結ぶ配管の途中、及びチルトシリンダ
とデイスプレイスメントシリンダを結ぶ配管の途
中にそれぞれ電磁油圧切換バルブを設け、走行中
はデイスプレイスメントシリンダのキヤツプ側の
油をアキユムレータに導き、ヘツド側の油を油圧
タンクに導き、且つリフトシリンダのヘツド側及
びキヤツプ側の油を油圧タンクに導いて、デイス
プレイスメントシリンダとアキユムレータを結ぶ
油圧回路がダイナミツクダンパとなるように構成
してなることを特徴とする建設機械の振動抑制装
置。 In construction machinery that has a lift cylinder and a tilt cylinder for raising and lowering the boom and work equipment, and a displacement cylinder for the leveling mechanism, the piping connecting the hydraulic valve for work control and the lift cylinder, and between the tilt cylinder and the displacement cylinder. An electromagnetic hydraulic switching valve is installed in the middle of each piping connecting the cylinders, and during driving, the oil on the cap side of the displacement cylinder is guided to the accumulator, the oil on the head side is guided to the hydraulic tank, and the oil on the head side and cap side of the lift cylinder is guided. A vibration suppression device for construction machinery, characterized in that a hydraulic circuit that leads oil to a hydraulic tank and connects a displacement cylinder and an accumulator functions as a dynamic damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12507489U JPH0365765U (en) | 1989-10-27 | 1989-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12507489U JPH0365765U (en) | 1989-10-27 | 1989-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0365765U true JPH0365765U (en) | 1991-06-26 |
Family
ID=31672960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12507489U Pending JPH0365765U (en) | 1989-10-27 | 1989-10-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0365765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004076334A1 (en) * | 2003-02-27 | 2004-09-10 | Hitachi Construction Machinery Co., Ltd. | Hydraulic control device of hydraulic working machine |
-
1989
- 1989-10-27 JP JP12507489U patent/JPH0365765U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004076334A1 (en) * | 2003-02-27 | 2004-09-10 | Hitachi Construction Machinery Co., Ltd. | Hydraulic control device of hydraulic working machine |
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