JPH0625488Y2 - Self-propelled aerial work platform - Google Patents
Self-propelled aerial work platformInfo
- Publication number
- JPH0625488Y2 JPH0625488Y2 JP1988054463U JP5446388U JPH0625488Y2 JP H0625488 Y2 JPH0625488 Y2 JP H0625488Y2 JP 1988054463 U JP1988054463 U JP 1988054463U JP 5446388 U JP5446388 U JP 5446388U JP H0625488 Y2 JPH0625488 Y2 JP H0625488Y2
- Authority
- JP
- Japan
- Prior art keywords
- workbench
- self
- boom
- aerial work
- 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.)
- Expired - Lifetime
Links
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Description
【考案の詳細な説明】 （１）産業上の利用分野 本考案は、車台上に起伏自在に枢支したブームの先端に
作業台を平衡保持した自走式高所作業車に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION (1) Field of Industrial Application The present invention relates to a self-propelled aerial work vehicle in which a work platform is equilibrated to the tip of a boom pivotably supported on the chassis.
（２）従来の技術 移動できる車体上にブームの作動により昇降する作業台
を設け、側面から視てＺ字型になるように構成した高所
作業車は、例えば特開昭６１−１７８４００号公報に記
載されているように、従来より公知である。(2) Conventional Technology An aerial work vehicle configured to have a work platform that is moved up and down by the operation of a boom on a movable vehicle body and has a Z-shape when viewed from the side is disclosed in, for example, Japanese Patent Laid-Open No. 61-178400. It is known in the art as described in.
（３）考案が解決しようとする問題点 しかし、特開昭６１−１７８４００号公報に記載された
従来の高所作業車は、格納姿勢においても、作業台の床
面の地上高が２ｍ近い高さになるため、地上から作業台
上に物を積込むためには多大な労力を必要とし、特に、
一定以上に重い物を積込むためには別にクレーン等の荷
役機械を必要とするとともに、作業台の懐が小さいた
め、作業性が悪いという問題があった。(3) Problems to be Solved by the Invention However, in the conventional aerial work vehicle disclosed in Japanese Patent Laid-Open No. 61-178400, the ground height of the work table floor is close to 2 m even in the retracted posture. Therefore, it takes a lot of effort to load an object from the ground onto the workbench, and in particular,
There is a problem in that workability is poor because a cargo handling machine such as a crane is separately required to load a heavy object above a certain level, and the worktable has a small pocket.
（４）問題点を解決するための手段 本考案は、上記の問題点を解決するために、車台上にブ
ームを起伏自在に枢支し、ブームの先端に作業台を平衡
保持した自走式高所作業車において、前記作業台のブー
ム先端への取付け位置を作業台の前後方向のほぼ中心に
位置させるとともに、作業台の前方部分を昇降自在に構
成したものである。(4) Means for Solving the Problems In order to solve the above problems, the present invention is a self-propelled type in which a boom is pivotally supported on a chassis so that the boom can be raised and lowered, and a work table is equilibrated at the tip of the boom. In an aerial work vehicle, the mounting position of the workbench to the boom tip is located substantially at the center of the workbench in the front-rear direction, and the front portion of the workbench is configured to be movable up and down.
（５）作用 上記の構成により、格納姿勢において、作業台の前方部
分は車台の先端から突出し、この作業台の前方部分を地
上まで降ろし、降ろした作業台に物を載せて再び作業台
を上昇させることにより、作業台に物を積込み、車台の
移動及びブームの起伏、伸縮により作業台を空中の任意
の位置に移動させ、高所作業を行い、作業が終了した
ら、作業台を格納位置へ戻し、物を載せた作業台の前方
部分を地上まで降ろし、作業台から物を積下す。(5) Operation With the above configuration, in the retracted posture, the front portion of the work table projects from the tip of the chassis, lowers the front portion of the work platform to the ground, places an object on the lowered work platform, and raises the work platform again. By loading items on the workbench, move the workbench and move the boom ups and downs and move the workbench to an arbitrary position in the air to perform work in high places, and when the work is completed, move the workbench to the storage position. Return it, lower the front part of the workbench with the object to the ground, and unload the workbench.
（６）実施例 以下、図面により本考案の実施例について説明する。(6) Embodiment An embodiment of the present invention will be described below with reference to the drawings.
高所作業車は第３図に示すように、一対の操向輪（２）
と一対の駆動輪（３）により支持された車台（１）の後
部にブラケット（１１）が形成され、このブラケット
（１１）には伸縮ブーム（４）の基部が枢支され、伸縮
ブーム（４）は、ブラケット（１１）と伸縮ブーム
（４）に両端を枢支した起伏シリンダ（５）の伸縮によ
り起伏するとともに、内蔵された伸縮装置（図示せず）
によりテレスコープ状に伸縮する。An aerial work vehicle has a pair of steering wheels (2) as shown in FIG.
A bracket (11) is formed at the rear of the chassis (1) supported by a pair of drive wheels (3) and a base of the telescopic boom (4) is pivotally supported by the bracket (11) to extend the telescopic boom (4). ) Is lifted by the expansion and contraction of an undulating cylinder (5) whose both ends are pivotally supported by the bracket (11) and the telescopic boom (4), and a built-in telescopic device (not shown).
It expands and contracts like a telescope.
伸縮ブーム（４）の先端には作業台（６）が作業台
（６）の前後方向のほぼ中心の位置で取付けられ、作業
台（６）は伸縮ブーム（４）と作業台（６）に両端を枢
支した平衡保持シリンダ（７）の伸縮により伸縮ブーム
（４）の起伏に拘らず常に床面が水平に保持されるとと
もに、作業台（６）は前方部分（６２）と後方部分（６
０）に分割されており、作業台（６）の後方部分（６
０）は伸縮ブーム（４）の先端に取付けられるととも
に、操作装置（８）が備えられ、作業台（６）の前方部
分（６２）は後方部分（６０）の先端に設けられた一対
の昇降ポスト（６１）に取付けられ、作業台（６）の前
方部分（６２）は、昇降ポスト（６１）に内蔵された油
圧シリンダ、スプロケット及びチェン等からなる昇降装
置（図示せず）により、図に示す後方部分（６０）と同
一位置と後方部分（６０）よりも下の位置の間で昇降す
る。A workbench (6) is attached to the tip of the telescopic boom (4) at a position approximately at the center of the workbench (6) in the front-rear direction, and the workbench (6) is attached to the telescopic boom (4) and the workbench (6). Due to the expansion and contraction of the balance holding cylinder (7) having both ends pivotally supported, the floor surface is always kept horizontal regardless of the ups and downs of the telescopic boom (4), and the workbench (6) has a front part (62) and a rear part (6). 6
0) and is divided into the rear part (6) of the workbench (6).
0) is attached to the tip of the telescopic boom (4), is equipped with an operating device (8), and the front part (62) of the workbench (6) is a pair of lifts provided at the tip of the rear part (60). The front portion (62) of the workbench (6) attached to the post (61) is shown in the figure by a lifting device (not shown) including hydraulic cylinders, sprockets, chains, etc. built in the lifting post (61). Ascend and descend between the same position as the rear portion (60) shown and a position below the rear portion (60).
上記の構成により、第２図に示すように、伸縮ブーム
（４）の伸縮を最縮小し、起伏シリンダ（５）の縮小に
より伸縮ブーム（４）を水平に倒した格納姿勢におい
て、作業台（６）の前方部分（６２）は車台（１）の先
端から突出した状態になり、作業台（６）に機材を積込
むときは、第１図に示すように、昇降ポスト（６１）の
昇降装置を作動させて、作業台（６）の前方部分（６
２）を昇降ポスト（６１）に沿って地上まで降ろし、降
ろした前方部分（６２）に機材を載せて、前方部分（６
２）を後方部分（６０）の位置まで上昇させることによ
り、作業台（６）に機材を積込むことができる。With the above configuration, as shown in FIG. 2, the retractable boom (4) is contracted to the maximum extent, and the retractable cylinder (5) is contracted so that the retractable boom (4) is horizontally tilted to the workbench ( The front part (62) of 6) is projected from the tip of the chassis (1), and when loading equipment on the workbench (6), as shown in FIG. Activating the device, the front part (6) of the workbench (6)
2) is lowered to the ground along the elevating post (61), the equipment is placed on the lowered front portion (62), and the front portion (6
Equipment can be loaded on the workbench (6) by raising 2) to the position of the rear part (60).
機材を積込んだ作業台（６）は、操向輪（２）と駆動輪
（３）による車台（１）の移動並びに伸縮ブーム（４）
の起伏あるいは伸縮により、空中の作業行う任意の位置
に移動させて、作業台（６）上から高所の作業を行う。
作業が終了したら、作業台（６）を再び第２図に示す格
納位置へ戻し、作業台（６）上の機材を作業台（６）の
前方部分（６２）側へ移動し、機材を載せた作業台
（６）の前方部分（６２）を再び地上まで降ろし、作業
台（６）の前方部分（６２）から地上に機材を積下す。The workbench (6) loaded with equipment is used for moving the chassis (1) by the steering wheel (2) and the drive wheel (3) and the telescopic boom (4).
The work is carried out at a high place from above the work table (6) by moving it to an arbitrary position where work is performed in the air by undulation or expansion and contraction.
When the work is completed, the workbench (6) is returned to the storage position shown in FIG. 2 again, the equipment on the workbench (6) is moved to the front portion (62) side of the workbench (6), and the equipment is placed. The front portion (62) of the workbench (6) is lowered to the ground again, and the equipment is loaded onto the ground from the front portion (62) of the workbench (6).
なお、作業台（６）の前方部分（６２）を第３図に示す
作業姿勢において降ろすことにより、高さの異なる位置
で同時に作業を行うことができ、また、作業台（６）の
前方部分（６２）を上方に折畳み可能に構成することに
より、格納姿勢における占有面積を小さくすることが可
能である。By lowering the front portion (62) of the workbench (6) in the work posture shown in FIG. 3, it is possible to simultaneously perform work at positions having different heights, and the front portion of the workbench (6). By making (62) foldable upward, it is possible to reduce the occupied area in the storage posture.
（７）考案の効果 以上の様に、本考案は、格納姿勢においても、作業台の
床面の地上高が２ｍ近い高さになる、車台上にブームを
起伏自在に枢支し、ブームの先端に作業台を平衡保持し
た自走式高所作業車において、作業台のブーム先端への
取付け位置を作業台の前後方向のほぼ中心に位置させる
とともに、作業台の前方部分を昇降自在に構成したもの
であるため、本考案は地上から作業台上への物の積込み
積下しはクレーン等の荷役機械を用いずに極めて容易に
行うことができ、また、従来のＺ型の高所作業車よりも
作業台の懐が大きくなるため、作業性に優れるという効
果を有するものである。(7) Effect of the Invention As described above, according to the present invention, even in the retracted position, the ground level of the floor of the workbench is close to 2 m. In a self-propelled aerial platform vehicle with the workbench balanced at the tip, the mounting position of the workbench on the boom tip is located almost at the center of the workbench in the front-back direction, and the front part of the workbench can be raised and lowered. Therefore, the present invention makes it extremely easy to load and unload objects from the ground onto a workbench without using a cargo handling machine such as a crane, and to perform conventional Z-type work at high places. Since the size of the workbench is larger than that of a car, the workability is excellent.
図面は本考案の実施例を示し、第１図は作業台の前方部
分を降ろした姿勢を示す自走式高所作業車の側面図、第
２図は格納姿勢を示す自走式高所作業車の側面図、第３
図は作業姿勢を示す自走式高所作業車の側面図である。 １……車台、４……伸縮ブーム、６……作業台、７……
平衡保持シリンダ、６０……後方部分、６１……昇降ポ
スト、６２……前方部分。The drawing shows an embodiment of the present invention, FIG. 1 is a side view of a self-propelled aerial work vehicle showing a posture in which a front portion of a workbench is lowered, and FIG. 2 is a self-propelled aerial work showing a stored posture. Side view of car, third
The figure is a side view of the self-propelled aerial work vehicle showing the work posture. 1 ... Chassis, 4 ... Telescopic boom, 6 ... Workbench, 7 ...
Balance holding cylinder, 60 ... rear part, 61 ... lifting post, 62 ... front part.
Claims (1)
ムの先端に作業台を平衡保持した自走式高所作業車にお
いて、前記作業台のブーム先端への取付け位置を作業台
の前後方向のほぼ中心に位置させるとともに、作業台の
前方部分を昇降自在に構成したことを特徴とする自走式
高所作業車。1. A self-propelled aerial work vehicle in which a boom is pivotally supported on a chassis so that the boom can be lifted up and down, and the work platform is equilibrated at the tip of the boom. A self-propelled aerial work vehicle characterized by being positioned approximately at the center in the front-rear direction and by having the front part of the worktable configured to be able to move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988054463U JPH0625488Y2 (en) | 1988-04-22 | 1988-04-22 | Self-propelled aerial work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988054463U JPH0625488Y2 (en) | 1988-04-22 | 1988-04-22 | Self-propelled aerial work platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01159699U JPH01159699U (en) | 1989-11-06 |
| JPH0625488Y2 true JPH0625488Y2 (en) | 1994-07-06 |
Family
ID=31280392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988054463U Expired - Lifetime JPH0625488Y2 (en) | 1988-04-22 | 1988-04-22 | Self-propelled aerial work platform |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0625488Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61178400A (en) * | 1985-02-01 | 1986-08-11 | 株式会社ジャパニック | Lifting gear |
-
1988
- 1988-04-22 JP JP1988054463U patent/JPH0625488Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61178400A (en) * | 1985-02-01 | 1986-08-11 | 株式会社ジャパニック | Lifting gear |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01159699U (en) | 1989-11-06 |
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