JPS6159297U - - Google Patents
Info
- Publication number
- JPS6159297U JPS6159297U JP14467184U JP14467184U JPS6159297U JP S6159297 U JPS6159297 U JP S6159297U JP 14467184 U JP14467184 U JP 14467184U JP 14467184 U JP14467184 U JP 14467184U JP S6159297 U JPS6159297 U JP S6159297U
- Authority
- JP
- Japan
- Prior art keywords
- work platform
- boom
- pipes
- work
- actuator
- 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 1
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Description
図面は本考案の一実施例を示すもので、第１図
は高所作業車の側面図、第２図は油圧回路図であ
る。
１…高所作業車、２…車体、４…ブーム、５…
作業台、９…アクチユエータとしての油圧モータ
、１０…アクチユエータとしての起伏シリンダ、
１１…アクチユエータとしての伸縮シリンダ、１
５…平衡シリンダ、１６…首振シリンダ、１７…
感知シリンダ、１９ａ，１９ｂ，２０ａ，２０ｂ
，２１ａ，２１ｂ…給、排管路、３３，３４…連
通管路、４１，４２，４５，４６…開閉弁、４３
，４４…分岐管路。
The drawings show one embodiment of the present invention, and FIG. 1 is a side view of an aerial work vehicle, and FIG. 2 is a hydraulic circuit diagram. 1...Aerial work vehicle, 2...Vehicle body, 4...Boom, 5...
Workbench, 9... Hydraulic motor as actuator, 10... Lifting cylinder as actuator,
11...Telescopic cylinder as actuator, 1
5... Balance cylinder, 16... Swing cylinder, 17...
Sensing cylinder, 19a, 19b, 20a, 20b
, 21a, 21b...Supply and exhaust pipe line, 33, 34...Communication pipe line, 41, 42, 45, 46...Opening/closing valve, 43
, 44...branch pipe.
Claims (1)
に搭載されたブームの先端に、水平軸線まわりに
回動可能にして作業台が枢支され、前記ブームの
起伏状態を感知する感知シリンダと、前記作業台
を常に水平に保持するためにブームおよび作業台
間に設けられる平衡シリンダとは、相互に連動す
べく一対の連通管路で相互に連結される高所作業
車の作業台平衡装置において、前記ブームおよび
作業台の作動を司る複数のアクチユエータの内、
前記ブームの起伏作動を司るアクチユエータを除
いた任意のアクチユエータの給、排管路と、前記
両連通管路とは、開閉弁を個別に備える分岐管路
で相互にそれぞれ接続され、両分岐管路の分岐位
置よりもアクチユエータ寄りで、前記給、排管路
には他の開閉弁が個別に設けられることを特徴と
する高所作業車の作業台平衡装置。 a sensing cylinder for detecting the up-and-down state of the boom; a work platform rotatable around a horizontal axis is pivotally supported at the tip of a boom mounted on the vehicle body and capable of turning, up-and-down, and telescoping operations; A balancing cylinder provided between the boom and the work platform to keep the work platform level at all times is a work platform balancing device for an aerial work vehicle that is interconnected by a pair of communication pipes so as to work together. Among the plurality of actuators that control the operation of the boom and the work platform,
The supply and exhaust pipes of any actuator other than the actuator that controls the raising and lowering operation of the boom, and the two communication pipes are connected to each other by branch pipes each having an on-off valve, and both branch pipes A work platform balancing device for an aerial work vehicle, characterized in that other on-off valves are individually provided in the supply and exhaust pipes closer to the actuator than the branch position of the work platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14467184U JPS6159297U (en) | 1984-09-25 | 1984-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14467184U JPS6159297U (en) | 1984-09-25 | 1984-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6159297U true JPS6159297U (en) | 1986-04-21 |
Family
ID=30702939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14467184U Pending JPS6159297U (en) | 1984-09-25 | 1984-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6159297U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5922298B2 (en) * | 1978-02-09 | 1984-05-25 | 松下電器産業株式会社 | automatic stop device |
-
1984
- 1984-09-25 JP JP14467184U patent/JPS6159297U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5922298B2 (en) * | 1978-02-09 | 1984-05-25 | 松下電器産業株式会社 | automatic stop device |
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