JPH035768U - - Google Patents
Info
- Publication number
- JPH035768U JPH035768U JP6446889U JP6446889U JPH035768U JP H035768 U JPH035768 U JP H035768U JP 6446889 U JP6446889 U JP 6446889U JP 6446889 U JP6446889 U JP 6446889U JP H035768 U JPH035768 U JP H035768U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- boom cylinder
- work vehicle
- oil chamber
- 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
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Operation Control Of Excavators (AREA)
Description
第１図はこの考案にかかる振動抑制装置の回路
図、第２図および第３図はそれぞれ第１図のＡ部
内電磁弁の他実施例を示す図、第４図はホイール
式シヨベルの側面図、第５図はブームシリンダ作
動用の従来技術要部回路図である。
５……作業アタツチメント、６……ブーム、９
……ブームシリンダ、１７……アキユムレータ、
１８，２９……電磁弁、２３……ヘツド側油室、
２４……ロツド側油室、３０……パイロツト操作
チエツク弁。
Fig. 1 is a circuit diagram of a vibration suppressing device according to this invention, Figs. 2 and 3 are views showing other embodiments of the solenoid valve in section A of Fig. 1, and Fig. 4 is a side view of a wheel-type shovel. , FIG. 5 is a circuit diagram of the main part of the prior art for operating the boom cylinder. 5...Work attachment, 6...Boom, 9
...Boom cylinder, 17...Accumulator,
18, 29... Solenoid valve, 23... Head side oil chamber,
24... Rod side oil chamber, 30... Pilot operation check valve.
Claims (1)
より前後方向に回動可能に作業アタツチメントを
装着した作業車両において、上記ブームシリンダ
のヘツド側油室に対し開閉弁を介してアキユムレ
ータを設け、作業車両走行時に上記開閉弁を操作
したときブームシリンダ用ヘツド側油室とアキユ
ムレータとを開閉弁を介して連通させるように構
成したことを特徴とする作業車両用振動抑制装置
。 In a work vehicle equipped with a work attachment rotatable in the front and rear directions by a boom cylinder on the front part of the upper revolving structure, an accumulator is provided via an on-off valve to the head side oil chamber of the boom cylinder, and when the work vehicle is running, A vibration suppressing device for a work vehicle, characterized in that when the on-off valve is operated, the boom cylinder head side oil chamber and the accumulator are communicated via the on-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6446889U JPH035768U (en) | 1989-05-31 | 1989-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6446889U JPH035768U (en) | 1989-05-31 | 1989-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH035768U true JPH035768U (en) | 1991-01-21 |
Family
ID=31595447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6446889U Pending JPH035768U (en) | 1989-05-31 | 1989-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH035768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04109566U (en) * | 1991-03-07 | 1992-09-22 | シヤープ株式会社 | Printed board |
-
1989
- 1989-05-31 JP JP6446889U patent/JPH035768U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04109566U (en) * | 1991-03-07 | 1992-09-22 | シヤープ株式会社 | Printed board |