JPS6436205U - - Google Patents
Info
- Publication number
- JPS6436205U JPS6436205U JP13248287U JP13248287U JPS6436205U JP S6436205 U JPS6436205 U JP S6436205U JP 13248287 U JP13248287 U JP 13248287U JP 13248287 U JP13248287 U JP 13248287U JP S6436205 U JPS6436205 U JP S6436205U
- Authority
- JP
- Japan
- Prior art keywords
- pressure chamber
- suspension device
- hydraulic
- hydraulic suspension
- blocking means
- 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
- 239000000725 suspension Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims 2
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
図面は本考案の一実施例を示し、第１図は本考
案が適用されるオールテレンクレーン車の外観を
示す側面図、第２図は油圧サスペンシヨン装置の
油圧回路図である。
１……オールテレンクレーン車、５，６……ア
ウトリガ、７……前輪、８……後輪、２０，２２
……油圧シリンダ、２０ｂ，２２ｂ……上圧力室
、２０ｃ，２２ｃ……下圧力室、２２，２３……
油路、２５，２６……パイロツトチエツク弁（阻
止手段）、２７……オイルタンク、２９……流量
調整弁、２９ａ……絞り、２９ｂ……チエツク弁
、３０……電磁切換弁、３３……ポンプ、３８…
…フートスイツチ、３９……マニユアルスイツチ
。
The drawings show an embodiment of the present invention, and FIG. 1 is a side view showing the appearance of an all-terrain crane to which the present invention is applied, and FIG. 2 is a hydraulic circuit diagram of a hydraulic suspension device. 1... All-terrain crane vehicle, 5, 6... Outrigger, 7... Front wheel, 8... Rear wheel, 20, 22
... Hydraulic cylinder, 20b, 22b ... Upper pressure chamber, 20c, 22c ... Lower pressure chamber, 22, 23 ...
Oil passage, 25, 26... Pilot check valve (blocking means), 27... Oil tank, 29... Flow rate adjustment valve, 29a... Throttle, 29b... Check valve, 30... Solenoid switching valve, 33... Pump, 38...
...Foot switch, 39...Manual switch.
Claims (1)
トンにより画成される上圧力室と下圧力室とが、
前記ピストンの伸長時に絞り作用を有する流量調
整弁を配設した油路で接続される油圧シリンダを
備えたクレーン車の油圧サスペンシヨン装置にお
いて、前記油路途中に、前記上圧力室及び下圧力
室から作動油の排出を実質的に阻止する阻止手段
を配設し、運転席近傍に前記阻止手段を作動させ
る作動スイツチを設け、当該クレーン車の旋回走
行時に該作動スイツチを操作して前記阻止手段を
作動させることを特徴とするクレーン車の油圧サ
スペンシヨン装置。 An upper pressure chamber and a lower pressure chamber are interposed between the chassis frame and the axle and are defined by a piston.
In a hydraulic suspension device for a crane truck, the hydraulic suspension device includes a hydraulic cylinder connected by an oil passage provided with a flow rate regulating valve having a throttling action when the piston extends, wherein the upper pressure chamber and the lower pressure chamber are disposed in the middle of the oil passage. A blocking means that substantially prevents the discharge of hydraulic oil is provided, an actuation switch for actuating the blocking means is provided near the driver's seat, and the actuation switch is operated when the crane vehicle is turning. A hydraulic suspension device for a crane vehicle, characterized in that it operates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13248287U JPS6436205U (en) | 1987-08-31 | 1987-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13248287U JPS6436205U (en) | 1987-08-31 | 1987-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6436205U true JPS6436205U (en) | 1989-03-06 |
Family
ID=31389483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13248287U Pending JPS6436205U (en) | 1987-08-31 | 1987-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6436205U (en) |
-
1987
- 1987-08-31 JP JP13248287U patent/JPS6436205U/ja active Pending
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