JPH0353996U - - Google Patents
Info
- Publication number
- JPH0353996U JPH0353996U JP11449189U JP11449189U JPH0353996U JP H0353996 U JPH0353996 U JP H0353996U JP 11449189 U JP11449189 U JP 11449189U JP 11449189 U JP11449189 U JP 11449189U JP H0353996 U JPH0353996 U JP H0353996U
- Authority
- JP
- Japan
- Prior art keywords
- workbench
- work platform
- swinging
- leveling device
- leveling
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Description
第1図は、本考案に係るレベリング装置の構成
を示す油圧回路図、第2図は、上記レベリング装
置を備えた高所作業車を示す正面図、第3図は、
上記レベリング装置の第2実施例を示す油圧回路
図である。
6……作業台、11……レベリングシリンダ、
12,32……判定部、14,34……メイン/
サブ切換バルブ、15,35……伸長側切換バル
ブ、16,36……短縮側切換バルブ、17,3
7……メインレベリングバルブ、18……サブレ
ベリングバルブ、41……サブレベリングユニツ
ト。
FIG. 1 is a hydraulic circuit diagram showing the configuration of a leveling device according to the present invention, FIG. 2 is a front view showing an aerial work vehicle equipped with the leveling device, and FIG.
FIG. 3 is a hydraulic circuit diagram showing a second embodiment of the leveling device. 6...Workbench, 11...Leveling cylinder,
12, 32... Judgment section, 14, 34... Main/
Sub switching valve, 15, 35... Extension side switching valve, 16, 36... Shortening side switching valve, 17, 3
7...Main leveling valve, 18...Sub leveling valve, 41...Sub leveling unit.
Claims (1)
向に揺動自在に取り付けられた作業台を有する高
所作業車において、前記作業台を水平に前記ブー
ムの起伏または屈伸にかかわらず水平に維持する
レベリング装置であつて、 前記作業台を上下方向に揺動させる作業台揺動
手段と、 前記作業台を水平にするように前記作業台揺動
手段を作動させる主レベリング手段と、 この主レベリング手段と並列に設けられ、前記
作業台を水平にするように前記作業台揺動手段を
作動させる副レベリング手段と、 前記作業台の水平レベルに対する偏差角が所定
角以上か否かを判断する判定器と、 前記判定器により前記作業台の偏差角が前記所
定角以上であると判断されたときに、前記主レベ
リング手段による前記作業台揺動手段の作動から
前記副レベリング手段による前記作業台揺動手段
の作動に切換える切換手段とからなることを特徴
とするレベリング装置。[Claims for Utility Model Registration] In an aerial work vehicle having a work platform that is attached to the tip of a boom that can freely swing up and down in the vertical direction, the work platform can be horizontally raised and bent or extended. A leveling device that maintains the workbench horizontally regardless of the workbench, the workbench including: a workbench swinging means for vertically swinging the workbench; and a main leveling device that operates the workbench swinging means to level the workbench. means, a subleveling means that is provided in parallel with the main leveling means and operates the work platform swinging means so as to level the work platform; a determiner for determining whether or not the workbench is tilted; and when the determiner determines that the deviation angle of the workbench is equal to or greater than the predetermined angle, the workbench swinging means is operated by the main leveling means to cause the sublevelling 1. A leveling device comprising: switching means for switching the operation of said work platform swinging means by said means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11449189U JPH0646948Y2 (en) | 1989-09-29 | 1989-09-29 | Leveling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11449189U JPH0646948Y2 (en) | 1989-09-29 | 1989-09-29 | Leveling device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0353996U true JPH0353996U (en) | 1991-05-24 |
JPH0646948Y2 JPH0646948Y2 (en) | 1994-11-30 |
Family
ID=31662856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11449189U Expired - Lifetime JPH0646948Y2 (en) | 1989-09-29 | 1989-09-29 | Leveling device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0646948Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007130156A (en) * | 2005-11-09 | 2007-05-31 | Sanko Kaban Kk | Suitcase with special toolbox |
-
1989
- 1989-09-29 JP JP11449189U patent/JPH0646948Y2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007130156A (en) * | 2005-11-09 | 2007-05-31 | Sanko Kaban Kk | Suitcase with special toolbox |
Also Published As
Publication number | Publication date |
---|---|
JPH0646948Y2 (en) | 1994-11-30 |