JPH0362152U - - Google Patents
Info
- Publication number
- JPH0362152U JPH0362152U JP11974389U JP11974389U JPH0362152U JP H0362152 U JPH0362152 U JP H0362152U JP 11974389 U JP11974389 U JP 11974389U JP 11974389 U JP11974389 U JP 11974389U JP H0362152 U JPH0362152 U JP H0362152U
- Authority
- JP
- Japan
- Prior art keywords
- working device
- hydraulic cylinder
- vehicle body
- switching valve
- electromagnetic switching
- 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
- 230000001133 acceleration Effects 0.000 claims 2
- 238000010276 construction Methods 0.000 claims 2
- 230000001629 suppression Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案に係る電気・油圧系統図、第２
図は本考案に係る振動系モデル図、第３図は車輪
式ローダの側面図、第４図は第３図のローダの走
行中の側面図、第５図は従来の車輪式ローダの油
圧系統図である。
１，４……作業装置、２，６，８……油圧シリ
ンダ、３……車両本体、７……加速度計、１４…
…圧力センサ、１５……コントローラ、１６……
電磁切換弁。
Figure 1 is an electrical/hydraulic system diagram related to the present invention, Figure 2
The figure is a vibration system model diagram according to the present invention, Figure 3 is a side view of a wheeled loader, Figure 4 is a side view of the loader in Figure 3 while it is running, and Figure 5 is a hydraulic system of a conventional wheeled loader. It is a diagram. 1, 4... Working device, 2, 6, 8... Hydraulic cylinder, 3... Vehicle body, 7... Accelerometer, 14...
...Pressure sensor, 15...Controller, 16...
Solenoid switching valve.
Claims (1)
、同作業装置を支持する油圧シリンダとを具えた
車輪式建設機械において、前記作業装置の負荷を
受ける側で前記油圧シリンダに至る回路圧を検出
する圧力センサと、車両本体の振動加速度を検出
する加速度計と、前記作業装置の負荷を受ける側
で前記油圧シリンダに連通する回路に設けられた
電磁切換弁と、前記圧力センサおよび加速度計よ
りの信号に基づいて振動抑制演算を行い前記電磁
切換弁を切換えるコントローラとを具え、前記電
磁切換弁および油圧シリンダを介して作業装置を
強制振動させ車両本体の振動を抑制するように構
成したことを特徴とする車輪式建設機械の振動抑
制装置。 In a wheel-type construction machine equipped with a working device whose one end is attached to the vehicle body in an articulated manner and a hydraulic cylinder supporting the working device, the circuit pressure leading to the hydraulic cylinder on the side receiving the load of the working device is controlled. A pressure sensor for detecting vibration acceleration, an accelerometer for detecting vibration acceleration of the vehicle body, an electromagnetic switching valve provided in a circuit communicating with the hydraulic cylinder on the side receiving the load of the working device, and the pressure sensor and the accelerometer. and a controller that performs a vibration suppression calculation based on the signal and switches the electromagnetic switching valve, and is configured to forcibly vibrate the working device via the electromagnetic switching valve and the hydraulic cylinder to suppress vibrations of the vehicle body. A vibration suppression device for wheeled construction machinery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11974389U JPH0362152U (en) | 1989-10-16 | 1989-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11974389U JPH0362152U (en) | 1989-10-16 | 1989-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0362152U true JPH0362152U (en) | 1991-06-18 |
Family
ID=31667849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11974389U Pending JPH0362152U (en) | 1989-10-16 | 1989-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0362152U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58160439A (en) * | 1982-03-18 | 1983-09-22 | ヴイツカ−ズ・インコ−ポレ−テツド | Power transmission apparatus |
| JPS6421201A (en) * | 1987-07-10 | 1989-01-24 | Kobe Steel Ltd | Device for restricting vibration of boom in hydraulic working machine |
-
1989
- 1989-10-16 JP JP11974389U patent/JPH0362152U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58160439A (en) * | 1982-03-18 | 1983-09-22 | ヴイツカ−ズ・インコ−ポレ−テツド | Power transmission apparatus |
| JPS6421201A (en) * | 1987-07-10 | 1989-01-24 | Kobe Steel Ltd | Device for restricting vibration of boom in hydraulic working machine |