JPS59195199U - Horizontal holding device for the work platform of a retractable aerial work vehicle - Google Patents
Horizontal holding device for the work platform of a retractable aerial work vehicleInfo
- Publication number
- JPS59195199U JPS59195199U JP9114883U JP9114883U JPS59195199U JP S59195199 U JPS59195199 U JP S59195199U JP 9114883 U JP9114883 U JP 9114883U JP 9114883 U JP9114883 U JP 9114883U JP S59195199 U JPS59195199 U JP S59195199U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- cylinder
- work vehicle
- retractable aerial
- aerial work
- 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
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の実施例１を示す一部切断側面図、第２
図は第１図におけるＡ矢視図、第３図は第１図における
Ｂ矢視図、゛第４図は第１図におけるＣ−Ｃ線断面図、
第５図は水平保持用シリンダの油圧回路図、第６図は本
考案の実施例２を示す′−一部切断側面図ある。
１・・・車体、２・・・旋回架台、４・・・第１ブーム
、５・・・第２ブーム、６・・・第３ブーム、１３・・
・第１調整シリンダ、１５・・・ラック、１６・・・第
１ピニオン、１７・・・第２調整シリンダ、１９・・・
ラック、２０・・・第２ピニオン、２２・・・作業台、
２５・・・レベルシリ、ンダ、２７・・・ラック、２−
８・・・第３ピニオン。Fig. 1 is a partially cutaway side view showing Embodiment 1 of the present invention;
The figure is a view taken along arrow A in FIG. 1, FIG. 3 is a view taken along arrow B in FIG. 1, and FIG. 4 is a sectional view taken along line C-C in FIG.
FIG. 5 is a hydraulic circuit diagram of a horizontal holding cylinder, and FIG. 6 is a partially cutaway side view showing a second embodiment of the present invention. DESCRIPTION OF SYMBOLS 1...Vehicle body, 2...Swivel frame, 4...1st boom, 5...2nd boom, 6...3rd boom, 13...
・First adjustment cylinder, 15...Rack, 16...First pinion, 17...Second adjustment cylinder, 19...
Rack, 20...second pinion, 22...workbench,
25...Level series, 27...Rack, 2-
8...3rd pinion.
Claims (1)
先端に支持された作業台が該ブームに設置された水平保
持用のレベルシリンダによって水平軸線回りに回動され
るように構成された屈折式高所作業車において、各ブー
ムごとに当該ブームの起伏動作に連動して作動する調整
シリンダを設置するとともに、それら調整シリンダと前
記レベルシリンダとを、該調整シリンダの作動に対応し
てレベルシリンダが作業台の水平を保持する方向に作動
するようにループ状の閉鎖回路によって接続したことを
特徴とする屈折式高所作業車における作業台の水平保持
装置。It is equipped with a plurality of bendable booms connected in series, and is configured such that a work platform supported at the tip of the boom is rotated around a horizontal axis by a level cylinder for horizontal maintenance installed on the boom. In a retractable aerial work vehicle, each boom is equipped with an adjustment cylinder that operates in conjunction with the raising and lowering motion of the boom, and these adjustment cylinders and the level cylinder are adjusted to a level corresponding to the operation of the adjustment cylinder. 1. A workbench leveling device for a retractable aerial work vehicle, characterized in that the cylinder is connected by a loop-shaped closed circuit so as to operate in a direction to maintain the levelness of the workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9114883U JPS59195199U (en) | 1983-06-13 | 1983-06-13 | Horizontal holding device for the work platform of a retractable aerial work vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9114883U JPS59195199U (en) | 1983-06-13 | 1983-06-13 | Horizontal holding device for the work platform of a retractable aerial work vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59195199U true JPS59195199U (en) | 1984-12-25 |
Family
ID=30221126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9114883U Pending JPS59195199U (en) | 1983-06-13 | 1983-06-13 | Horizontal holding device for the work platform of a retractable aerial work vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59195199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020156583A (en) * | 2019-03-25 | 2020-10-01 | 日本リフト株式会社 | Ladder truck |
-
1983
- 1983-06-13 JP JP9114883U patent/JPS59195199U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020156583A (en) * | 2019-03-25 | 2020-10-01 | 日本リフト株式会社 | Ladder truck |
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