JP2000229792A - Aerial work vehicle - Google Patents

Aerial work vehicle

Info

Publication number
JP2000229792A
JP2000229792A JP11031112A JP3111299A JP2000229792A JP 2000229792 A JP2000229792 A JP 2000229792A JP 11031112 A JP11031112 A JP 11031112A JP 3111299 A JP3111299 A JP 3111299A JP 2000229792 A JP2000229792 A JP 2000229792A
Authority
JP
Japan
Prior art keywords
work
jib
bucket
hydraulic cylinder
work bucket
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
Application number
JP11031112A
Other languages
Japanese (ja)
Other versions
JP3074308B1 (en
Inventor
Goji Hosokawa
剛司 細川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHOEI SANGYO KK
Original Assignee
SHOEI SANGYO KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHOEI SANGYO KK filed Critical SHOEI SANGYO KK
Priority to JP11031112A priority Critical patent/JP3074308B1/en
Application granted granted Critical
Publication of JP3074308B1 publication Critical patent/JP3074308B1/en
Publication of JP2000229792A publication Critical patent/JP2000229792A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Forklifts And Lifting Vehicles (AREA)

Abstract

PROBLEM TO BE SOLVED: To secure the safety of the work on a working bucket, and to realize the work at a higher place by arranging an operating means for extending or shrinking a rock driving hydraulic cylinder to a desirable length and for rotating a turning driving hydraulic motor at a desirable angle in a working bucket. SOLUTION: A telescopic boom 3 is supported by a turning base 2 of a self-traveling carrier 1 freely to be raised and fallen. A telescopic jib 6 is connected (pivotally supported 8) to a tip of the maximum extension of the boom 3 freely to be raised and fallen. A box-like working bucket 9 having a bottom is connected to a tip of the maximum extension of the jib 6 freely to be rocked and turned. The working bucket 9 is provided with a rock driving hydraulic cylinder 14 and a turning driving hydraulic motor 21. The working bucket 9 is rocked at a desirable angle in a desirable direction on the vertical surface passing through the jib 6 by extending the rock driving hydraulic cylinder 14 by a desirable length. The working bucket 9 is also turned at a desirable angle in relation to the vehicle line to the bottom plate, namely, in relation to the axis extension of an output shaft of the motor, by the rotating the turning driving hydraulic motor 21 by a desirable angle.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、作業員をバケット
に乗せて高所で作業を行わせるための高所作業車に関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aerial work vehicle for placing an operator on a bucket to perform work at a high place.

【0002】[0002]

【従来の技術】従来、この種の高所作業車として、走行
台車にテレスコピック式の複数段伸縮型ブームを起伏自
在に支持し、該ブームの先端に設けたトップシーブから
巻取り自在に垂下したワイヤロープにより作業バケット
を吊支し、該バケットに作業員を乗せて高所へ案内する
ものが知られている。
2. Description of the Related Art Conventionally, as this type of aerial work vehicle, a telescopic type multi-stage telescopic boom is supported on a traveling carriage so as to be able to move up and down, and is hung freely from a top sheave provided at a tip of the boom. 2. Description of the Related Art There is known a work bucket suspended by a wire rope, and a worker is put on the bucket and guided to a high place.

【0003】しかし、上記の従来車は、作業バケットが
ワイヤロープにより吊支されているため、風等により揺
れるばかりでなく、作業員の作業反力を受支できず、作
業の十分な安全がえられない欠点があった。
However, in the above-mentioned conventional vehicle, since the work bucket is suspended by a wire rope, not only does it swing due to wind or the like, but it cannot receive the work reaction force of the worker, and sufficient safety of work is not achieved. There were unforeseen drawbacks.

【0004】[0004]

【発明が解決しようとする課題】本発明は、作業バケッ
ト上での作業の安全を図ると共に、さらに高所での作業
を実現することを課題とする。
SUMMARY OF THE INVENTION It is an object of the present invention to improve the safety of work on a work bucket and to realize work at a higher place.

【0005】[0005]

【課題を達成するための手段】そこで、本発明は、自走
台車に、複数段伸縮自在のブームを起伏自在に支持し、
上記ブームの最伸長先端に、複数段伸縮自在のジブを起
伏自在に連結し、上記ジブの最伸長先端に、箱形作業バ
ケットを該ジブを通る鉛直面上で揺動自在に且つ作業バ
ケットの底板に対する垂直線について旋回自在に支持
し、上記作業バケットの上記揺動駆動用油圧シリンダお
よび上記旋回駆動用モータをそれぞれ備えると共に、上
記揺動駆動用油圧シリンダの所望長伸縮および上記旋回
駆動用モータの所望角度回転をそれぞれ行う操作手段を
上記作業バケットに配置した、高所作業車を提案する。
以下図面を参照して本発明の実施例について説明する。
SUMMARY OF THE INVENTION Accordingly, the present invention provides a self-propelled truck supporting a plurality of telescopic booms so as to be able to move up and down.
A multi-stage telescopic jib is connected to the most extended end of the boom so as to be able to undulate, and a box-shaped work bucket is swingably movable on a vertical plane passing through the jib at the most extended end of the jib. The swing drive hydraulic cylinder and the swing drive motor of the work bucket are supported so as to be freely swingable about a vertical line with respect to the bottom plate, and the desired length of the swing drive hydraulic cylinder is extended and contracted and the swing drive motor is provided. An aerial work vehicle is proposed in which operating means for performing the desired angle rotations are arranged in the work bucket.
Hereinafter, embodiments of the present invention will be described with reference to the drawings.

【0006】[0006]

【実施例】図1において、自走台車(1)上の旋回台
(2)に、伸縮型アーム(3)を油圧シリンダ(4)に
より起伏自在の状態で、その基端部を揺動自在に軸支
(5)し、上記ブーム(3)の最伸長先端に、伸縮型ジ
ブ(6)を油圧シリンダ(7)により上記ブーム(3)
の起伏揺動面上で起伏自在の状態で、その基端部を揺動
自在に軸支(8)し、このジブの最伸長先端に、一面を
開放した有底箱形の作業バケット(9)を揺動自在かつ
旋回自在に連結してある。
In FIG. 1, a telescopic arm (3) can be freely raised and lowered by a hydraulic cylinder (4) on a swivel (2) on a self-propelled carriage (1), and its base end can be swung. And a telescopic jib (6) is attached to the boom (3) at the most extended end of the boom (3) by a hydraulic cylinder (7).
The base end is pivotally supported (8) so as to be swingable on the up-and-down swing surface, and a bottomed box-shaped work bucket (9) having one open side is attached to the most extended end of the jib. ) Are swingably and pivotably connected.

【0007】上記伸縮型ブーム(3)は、本例ではテレ
スコピック油圧シリンダを内装した3段伸縮型のもので
あり、また上記伸縮型ジブ(6)は、油圧シリンダを内
装した2段伸縮型のものである。
In this embodiment, the telescopic boom (3) is a three-stage telescopic type equipped with a telescopic hydraulic cylinder, and the telescopic jib (6) is a two-stage telescopic type with a hydraulic cylinder mounted therein. Things.

【0008】上記作業バケット(9)の連結構造は次の
ようである。図2において、上記伸縮型ジブ(6)の最
伸長先端にL字状に屈曲した二又ブラケット(10)を
突設し、該ブラケット(10)に板状リスト(11)を
軸(12)により上記ジブ(6)を通る鉛直面上で揺動
自在に支承すると共に、上記ジブ(6)の最伸長先端に
突設されたブラケット(13)に作業バケット揺動駆動
用油圧シリンダ(14)を揺動自在に支持し、該シリン
ダ(14)のラム(15)先端を上記リスト(11)の
中間部にブラケット(16)を介して連結してある。
[0008] The connection structure of the work bucket (9) is as follows. In FIG. 2, a forked bracket (10) bent in an L-shape is protruded from the most extended end of the telescopic jib (6), and a plate-like wrist (11) is attached to the bracket (10) by a shaft (12). The hydraulic cylinder (14) for driving the swing of the work bucket is mounted on a bracket (13) protruding from the most extended end of the jib (6) while swingably supporting on a vertical plane passing through the jib (6). And the tip of a ram (15) of the cylinder (14) is connected to an intermediate portion of the wrist (11) via a bracket (16).

【0009】上記リスト(11)の先端には固定円板
(17)を垂直に固定すると共に該円板(17)の前面
に回転円板(18)をボールベアリング(19)を介し
て回転自在に対設し、一方、上記固定円板(17)の背
面中心部に、上記リスト(11)の切欠部(20)内に
位置する作業バケット旋回駆動用油圧モータ(21)を
ボルト(22)…により固定し、該モータ(21)の出
力軸(23)を上記円板(17)、(18)に回転自在
に貫通すると共に、ボルト(24)…により回転円板
(18)に固定された端板(25)に上記出力軸(2
3)先端をボルト(26)により固定し、このように支
持された回転円板(18)の前面に、作業バケット
(9)の底板(27)を、該底板(27)の中心を上記
出力軸(23)に対し適宜偏心させた状態で、ステー部
材(28)…を介して固定し、それにより作業バケット
(9)の一側部を張り出した状態に連結してある。
A fixed disk (17) is vertically fixed to the tip of the wrist (11), and a rotating disk (18) is rotatable in front of the disk (17) via a ball bearing (19). On the other hand, a hydraulic motor (21) for driving a work bucket swivel positioned in the notch (20) of the wrist (11) is bolted (22) to the center of the back surface of the fixed disk (17). , And the output shaft (23) of the motor (21) is rotatably penetrated through the disks (17), (18), and is fixed to the rotating disk (18) by bolts (24). The output shaft (2)
3) The tip is fixed with a bolt (26), the bottom plate (27) of the work bucket (9) is mounted on the front surface of the rotating disk (18) thus supported, and the center of the bottom plate (27) is output as described above. The work bucket (9) is fixed so as to be eccentric with respect to the shaft (23) via stay members (28).

【0010】上記の構造により作業バケット(9)は、
揺動駆動用油圧シリンダ(15)の所望長伸縮により上
記ジブ(6)を通る鉛直面上で所望方向へ所望角度揺動
し、また旋回駆動用油圧モータ(21)の所望角度回転
により底板(27)に対する垂直線すなわちモータ出力
軸(23)の軸心延長線について所望角度旋回すること
となる。
With the above structure, the work bucket (9)
The desired length of the swing driving hydraulic cylinder (15) causes the desired angle to be swung in a desired direction on the vertical plane passing through the jib (6), and the bottom plate ( 27), a desired angle of rotation about a vertical line to the motor output shaft (23), that is, an extension of the axis of the motor output shaft (23).

【0011】上記ブーム伸縮用テレスコピック油圧シリ
ンダ、ジブ伸縮用油圧シリンダ、ブーム揺動駆動用油圧
シリンダ(4)、ジブ揺動駆動用油圧シリンダ(7)お
よび作業バケット揺動駆動用油圧シリンダ(14)にそ
れぞ圧油を供給するため、油圧ポンプと、該油圧ポンプ
からの圧油を上記各油圧シリンダのヘッド側内室および
ロッド側内室に切換供給するためのブーム伸縮用ソレノ
イド切換バルブ、ジブ伸縮用ソレノイド切換バルブ、ブ
ーム揺動用ソレノイド切換バルブ、ジブ揺動用ソレノイ
ド切換バルブおよび作業バケット揺動用ソレノイド切換
バルブとを主として含む油圧回路、および上記作業バケ
ット旋回駆動用油圧モータ(21)に圧油を供給するた
め油圧ポンプまたはコンプレッサと、それからの圧油を
上記油圧モータ(21)に供給および供給停止するため
の作業バケット旋回用電磁バルブとを主として含む油圧
回路を走行台車(1)上に設置し、そのうち上記ジブ伸
縮用ソレノイド切換バルブ、ジブ揺動用ソレノイド切換
バルブおよび作業バケット揺動用ソレノイド切換バルブ
のそれぞれのソレノイド励磁スイッチ、および作業バケ
ット旋回用電磁バルブの励磁スイッチを図2に示すよう
に作業バケット(9)の操作盤(29)に操作手段とし
て配置する。
The telescopic hydraulic cylinder for extending and retracting the boom, the hydraulic cylinder for extending and retracting the jib, the hydraulic cylinder for driving the boom swing (4), the hydraulic cylinder for driving the jib swing (7), and the hydraulic cylinder for driving the work bucket swing (14) And a boom extendable solenoid switching valve for switching and supplying pressure oil from the hydraulic pump to the head-side inner chamber and the rod-side inner chamber of each of the hydraulic cylinders. A hydraulic circuit mainly including a telescopic solenoid switching valve, a boom swing solenoid switching valve, a jib swing solenoid switching valve, and a work bucket swing solenoid switching valve, and hydraulic oil (21) for the work bucket swing drive hydraulic motor (21). To supply the hydraulic pump or compressor and the hydraulic oil from it to the hydraulic motor ( A hydraulic circuit mainly including a work bucket turning solenoid valve for supplying and stopping the supply to 1) is installed on the traveling carriage (1), and the solenoid switching valve for expanding and contracting the jib, the solenoid switching valve for swinging the jib, and the work are provided. As shown in FIG. 2, the solenoid excitation switch of the bucket swing solenoid switching valve and the excitation switch of the work bucket turning electromagnetic valve are arranged on the operation panel (29) of the work bucket (9) as operation means.

【0012】上例の作用を次に説明する。まず、伸縮型
ブーム(3)ついでジブ(6)をそれぞれ最短に縮小
し、ついで油圧シリンダ(4)の縮小駆動により該ブー
ム(3)、ジブ(6)を図1仮想線で示すように倒伏さ
せ、そこで作業員がバケット(9)に乗る。油圧シリン
ダ(4)の伸長駆動によりブーム(3)およびジブ
(6)全体を起立させていき、それと共にバケット
(9)上の作業員が操作盤(29)の作業バケット揺動
用ソレノイド切換バルブのソレノイド励磁スイッチを操
作して作業バケット揺動駆動用油圧シリンダ(14)を
伸長させ、作業バケット(9)を底板が水平の正常姿勢
に調整する。
The operation of the above example will now be described. First, the telescopic boom (3) and then the jib (6) are reduced to the shortest, respectively, and then the boom (3) and the jib (6) fall down as shown by the imaginary line in FIG. The worker then gets on the bucket (9). The extension of the hydraulic cylinder (4) drives the boom (3) and the jib (6) as a whole, and at the same time, the worker on the bucket (9) operates the solenoid switching valve for swinging the work bucket of the operation panel (29). By operating the solenoid excitation switch, the working bucket swing drive hydraulic cylinder (14) is extended to adjust the working bucket (9) to a normal posture in which the bottom plate is horizontal.

【0013】ブーム(3)が作業位置の方向へ所望角度
に起立したら、次に該ブーム(3)を2段、3段と伸長
させる。ついでバケット(9)上の作業員が操作盤(2
9)のジブ揺動用ソレノイド切換バルブのソレノイド励
磁スイッチの操作によりジブ揺動駆動用油圧シリンダ
(7)を伸縮させてジブ(6)を作業位置の方向へより
近く揺動させ、ついで操作盤(29)のジブ伸縮用ソレ
ノイド切換バルブのソレノイド励磁スイッチを操作して
ジブ(6)を伸長させ、それにより作業バケット(9)
の方向および高さをさらに作業位置に近づくよう調整
し、そこで作業を開始する。上記の調整作業において、
作業バケット(9)の底板が傾斜したら、操作盤(2
9)のソレノイド励磁スイッチの操作により上記油圧シ
リンダ(14)を伸縮させて作業バケット(9)を正常
姿勢に調整する。
When the boom (3) stands at a desired angle in the direction of the working position, the boom (3) is extended in two or three steps. Next, the worker on the bucket (9)
The jib swing drive hydraulic cylinder (7) is expanded and contracted by operating the solenoid excitation switch of the jib swing solenoid switching valve of 9) to swing the jib (6) closer to the working position. 29) The jib (6) is extended by operating the solenoid excitation switch of the solenoid switching valve for expanding and contracting the jib, whereby the work bucket (9) is extended.
Is adjusted to further approach the work position, and work is started there. In the above adjustment work,
When the bottom plate of the work bucket (9) is tilted, the operation panel (2
By operating the solenoid excitation switch of 9), the hydraulic cylinder (14) is expanded and contracted to adjust the work bucket (9) to a normal posture.

【0014】作業中、バケット(9)上の作業員が作業
位置にもっと接近したい場合等は、操作盤(29)にお
ける作業バケット旋回用電磁バルブの励磁スイッチの操
作により油圧モータ(21)を所要角度回転させて作業
バケット(9)の偏心張り出し部を作業位置に移動させ
て上記目的を果すことができる。
If the worker on the bucket (9) wants to come closer to the work position during the work, the hydraulic motor (21) is required by operating the excitation switch of the electromagnetic valve for turning the work bucket on the operation panel (29). The object can be achieved by rotating the eccentric overhang of the work bucket (9) to the work position by rotating it by an angle.

【0015】また作業員が作業対象物の周囲を回りなが
ら作業を行う場合等は、作業員がバケット(9)上の定
位置に立ったまま上記励磁スイッチのインチング操作に
より作業バケット(9)を小角度づつ旋回させて上記目
的を果すことができる。
In the case where the worker works while rotating around the work object, the worker holds the work bucket (9) by inching operation of the excitation switch while standing at a fixed position on the bucket (9). The above object can be achieved by turning by small angles.

【0016】[0016]

【発明の効果】本発明の高所作業車によれば、従来車と
比較して、作業バケットを風等で揺れることなく確実に
保持すると共に、作業バケット上で作業員が作業を行う
際の作業反力を受支することができ、さらに伸縮型ブー
ムの最伸長先端に伸縮型ジブを連結したから作業バケッ
トをさらに高所に上昇させることができるようになる。
しかも本発明によれば、作業バケット上の作業員自身で
作業バケット揺動駆動用油圧シリンダの伸縮操作を行っ
て作業バケットを安全な正常姿勢に維持することがで
き、それにより作業の安全を保つことができ、また作業
バケット旋回駆動用油圧モータの回転操作により作業バ
ケットを旋回させることによって作業員が作業バケット
上の定位置に立ったままで作業対象物の周囲に作業を施
すことができる等の便利さもえられる。
According to the aerial work vehicle of the present invention, the work bucket can be securely held without being shaken by wind or the like as compared with the conventional vehicle, and the work bucket can be used when the worker performs work on the work bucket. Since the work reaction force can be received and the telescopic jib is connected to the most extended end of the telescopic boom, the work bucket can be further raised to a higher place.
Moreover, according to the present invention, the worker on the work bucket can extend and retract the work bucket swing drive hydraulic cylinder to maintain the work bucket in a safe normal posture, thereby maintaining work safety. By rotating the work bucket by rotating the hydraulic motor for driving the work bucket, the worker can perform work around the work object while standing at a fixed position on the work bucket. It is convenient.

【図面の簡単な説明】[Brief description of the drawings]

【図1】高所作業車の側面図である。FIG. 1 is a side view of an aerial work vehicle.

【図2】作業バケット部分の拡大縦断面図である。FIG. 2 is an enlarged vertical sectional view of a work bucket portion.

【符号の説明】[Explanation of symbols]

1 自走台車 3 伸縮型ブーム 6 伸縮型ジブ 9 作業バケット 14 作業バケット揺動駆動用油圧シリンダ 21 作業バケット旋回駆動用油圧モータ 29 操作盤 DESCRIPTION OF SYMBOLS 1 Self-propelled trolley 3 Telescopic boom 6 Telescopic jib 9 Work bucket 14 Hydraulic cylinder for work bucket swing drive 21 Hydraulic motor for work bucket swing drive 29 Operation panel

─────────────────────────────────────────────────────
────────────────────────────────────────────────── ───

【手続補正書】[Procedure amendment]

【提出日】平成12年1月27日(2000.1.2
7)
[Submission date] January 27, 2000 (2000.1.2
7)

【手続補正1】[Procedure amendment 1]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】特許請求の範囲[Correction target item name] Claims

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【特許請求の範囲】[Claims]

【手続補正2】[Procedure amendment 2]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0005[Correction target item name] 0005

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【0005】[0005]

【課題を達成するための手段】そこで、本発明は、自走
台車に、複数段伸縮自在のブームを起伏自在に支持し、
上記ブームの最伸長先端に、複数段伸縮自在のジブを起
伏自在に連結し、上記ジブの最伸長先端に、リストを該
ジブを通る鉛直面上で揺動自在に連結し、上記リストの
先端に、箱形作業バケットを、該作業バケット底板に対
する垂直線であって該バケット底板中心からの適宜偏心
点を通る垂直線について旋回自在に支持し、上記リスト
の揺動駆動用油圧シリンダおよび上記作業バケット旋回
駆動用モータをそれぞれ備えると共に、上記揺動駆動用
油圧シリンダの所望長伸縮および上記旋回駆動用モータ
の所望角度回転をそれぞれ行う操作手段を上記作業バケ
ットに配置した、高所作業車を提案する。以下図面を参
照して本発明の実施例について説明する。
SUMMARY OF THE INVENTION Accordingly, the present invention provides a self-propelled truck supporting a plurality of telescopic booms so as to be able to move up and down.
A multi-stage telescopic jib is connected to the most extended end of the boom so as to be undulating, and a wrist is connected to the most extended end of the jib so as to be swingable on a vertical plane passing through the jib .
At the end, a box-shaped work bucket is attached to the work bucket bottom plate.
Eccentric from the center of the bucket bottom plate
Pivotally supported about a vertical line passing through a point, and provided with the swing drive hydraulic cylinder and the work bucket swing drive motor of the above list , respectively, There is proposed an aerial work vehicle in which operating means for respectively performing a desired angle rotation of the turning drive motor are arranged in the work bucket. Hereinafter, embodiments of the present invention will be described with reference to the drawings.

【手続補正3】[Procedure amendment 3]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0006[Correction target item name] 0006

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【0006】[0006]

【実施例】図1において、自走台車(1)上の旋回台
(2)に、伸縮型ブーム(3)を油圧シリンダ(4)に
より起伏自在の状態で、その基端部を揺動自在に軸支
(5)し、上記ブーム(3)の最伸長先端に、伸縮型ジ
ブ(6)を油圧シリンダ(7)により上記ブーム(3)
の起伏揺動面上で起伏自在の状態で、その基端部を揺動
自在に軸支(8)し、このジブの最伸長先端に、一面を
開放した有底箱形の作業バケット(9)を揺動自在かつ
旋回自在に連結してある。
In FIG. 1, a telescopic boom (3) can be raised and lowered by a hydraulic cylinder (4) on a swivel (2) on a self-propelled carriage (1), and its base end can be swung. And a telescopic jib (6) is attached to the boom (3) at the most extended end of the boom (3) by a hydraulic cylinder (7).
The base end is pivotally supported (8) so as to be swingable on the up-and-down swing surface, and a bottomed box-shaped work bucket (9) having one open side is attached to the most extended end of the jib. ) Are swingably and pivotably connected.

【手続補正4】[Procedure amendment 4]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0008[Correction target item name] 0008

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【0008】上記作業バケット(9)の連結構造は次の
ようである。図2において、上記伸縮型ジブ(6)の最
伸長先端にL字状に屈曲した二又ブラケット(10)を
突設し、該ブラケット(10)に板状リスト(11)を
軸(12)により上記ジブ(6)を通る鉛直面上で揺動
自在に支承すると共に、上記ジブ(6)の最伸長先端に
突設されたブラケット(13)に上記リスト(11)ひ
いては作業バケット(9)の揺動駆動用油圧シリンダ
(14)を揺動自在に支持し、該シリンダ(14)のラ
ム(15)先端を上記リスト(11)の中間部にブラケ
ット(16)を介して連結してある。
[0008] The connection structure of the work bucket (9) is as follows. In FIG. 2, a forked bracket (10) bent in an L-shape is protruded from the most extended end of the telescopic jib (6), and a plate-like wrist (11) is attached to the bracket (10) by a shaft (12). Slidably on a vertical plane passing through the jib (6), and the wrist (11) is attached to a bracket (13) protruding from the most extended end of the jib (6).
In addition, a swing driving hydraulic cylinder (14) of the work bucket (9) is swingably supported, and a tip of a ram (15) of the cylinder (14) is attached to a bracket (16) at an intermediate portion of the wrist (11). Are connected via.

【手続補正5】[Procedure amendment 5]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0016[Correction target item name] 0016

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【0016】[0016]

【発明の効果】本発明の高所作業車によれば、従来車と
比較して、高所作業を確実に行うことができるようにな
り、また作業バケットを高所に押し上げたとき、該バケ
ット上の作業員自身がリストの揺動駆動用油圧シリンダ
の操作を行って作業バケットを常に安全な正常姿勢に調
整することができると共に、作業バケット上の作業員が
作業位置にもう少し接近したい場合等に、作業員自身で
作業バケット旋回駆動用モータの所要角度回転操作を行
って作業バケットの偏心張り出し部を作業位置に移動さ
せて接近を果すことができる等の利点もえられるのであ
る。
According to the aerial work vehicle of the present invention, the conventional work vehicle
In comparison, work at heights can be performed more reliably.
When the work bucket is pushed up to a higher place,
The operator on the pit himself has the wrist swing hydraulic cylinder
Operation to always adjust the work bucket to a safe normal posture.
And the workers on the work bucket
When you want to get closer to the work position,
Perform the required angle rotation operation of the work bucket swing drive motor.
Move the eccentric overhang of the work bucket to the work position.
To get close to it.
You.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 自走台車に、複数段伸縮自在のブームを
起伏自在に支持し、 上記ブームの最伸長先端に、複数段伸縮自在のジブを起
伏自在に連結し、 上記ジブの最伸長先端に、箱形作業バケットを該ジブを
通る鉛直面上で揺動自在に且つ作業バケットの底板に対
する垂直線について旋回自在に支持し、 上記作業バケットの上記揺動駆動用油圧シリンダおよび
上記旋回駆動用モータをそれぞれ備えると共に、上記揺
動駆動用油圧シリンダの所望長伸縮および上記旋回駆動
用モータの所望角度回転をそれぞれ行う操作手段を上記
作業バケットに配置した、高所作業車。
A self-propelled vehicle supports a plurality of telescopic booms in an up-and-down manner, and a multi-stage telescopic jib is connected to the most extended end of the boom in an up-and-down manner. A pivotable hydraulic cylinder for swinging the work bucket and the swing drive for the swing drive of the work bucket, wherein the box-shaped work bucket is swingably supported on a vertical plane passing through the jib and swingably about a vertical line with respect to a bottom plate of the work bucket. An aerial work vehicle comprising: a motor; and operation means for respectively performing a desired length of expansion / contraction of the swing drive hydraulic cylinder and a desired angle of rotation of the swing drive motor are arranged in the work bucket.
JP11031112A 1999-02-09 1999-02-09 Aerial work vehicle Expired - Fee Related JP3074308B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11031112A JP3074308B1 (en) 1999-02-09 1999-02-09 Aerial work vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11031112A JP3074308B1 (en) 1999-02-09 1999-02-09 Aerial work vehicle

Publications (2)

Publication Number Publication Date
JP3074308B1 JP3074308B1 (en) 2000-08-07
JP2000229792A true JP2000229792A (en) 2000-08-22

Family

ID=12322329

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11031112A Expired - Fee Related JP3074308B1 (en) 1999-02-09 1999-02-09 Aerial work vehicle

Country Status (1)

Country Link
JP (1) JP3074308B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100976156B1 (en) * 2007-12-21 2010-08-16 전영수 Mobile cargo crane
US7926670B2 (en) * 2009-05-01 2011-04-19 Westchester Capital, Llc Truck mounted telescopic boom structure including a stowable jib boom with a stowable personnel basket
KR101931437B1 (en) * 2016-08-24 2018-12-20 제지앙 딩리 머쉬너리 컴퍼니, 엘티디 Telescopic connection component and aerial work platform

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112443340A (en) * 2019-08-28 2021-03-05 湖南五新模板有限公司 Ditch cable duct platform truck
CN112443339A (en) * 2019-08-28 2021-03-05 湖南五新模板有限公司 Inverted arch die carrier
CN112443338A (en) * 2019-08-28 2021-03-05 湖南五新模板有限公司 Chiseling machine suitable for curved surface operation
CN111186803B (en) * 2020-03-24 2024-05-28 徐州海伦哲特种车辆有限公司 High-altitude operation vehicle and double-working-bucket structure thereof
CN113998632A (en) * 2021-09-07 2022-02-01 国网天津市电力公司 Working bucket connecting device, insulating bucket arm vehicle cooperative working bucket and insulating bucket arm vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01125470A (en) * 1987-11-06 1989-05-17 Yoshinori Fukada Method of height working construction
JPH09267996A (en) * 1996-03-29 1997-10-14 Aichi Corp Operation control device for aerial work vehicles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01125470A (en) * 1987-11-06 1989-05-17 Yoshinori Fukada Method of height working construction
JPH09267996A (en) * 1996-03-29 1997-10-14 Aichi Corp Operation control device for aerial work vehicles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100976156B1 (en) * 2007-12-21 2010-08-16 전영수 Mobile cargo crane
US7926670B2 (en) * 2009-05-01 2011-04-19 Westchester Capital, Llc Truck mounted telescopic boom structure including a stowable jib boom with a stowable personnel basket
KR101931437B1 (en) * 2016-08-24 2018-12-20 제지앙 딩리 머쉬너리 컴퍼니, 엘티디 Telescopic connection component and aerial work platform

Also Published As

Publication number Publication date
JP3074308B1 (en) 2000-08-07

Similar Documents

Publication Publication Date Title
US4179010A (en) Access equipment
JPH1087278A (en) Mobile crane
JP2008110877A5 (en)
JP2883860B2 (en) Crane jib overhang and storage device and its overhang and storage method
JP3074308B1 (en) Aerial work vehicle
JP2000247575A (en) Tower crane furnished with telescopic boom
JP4190811B2 (en) Aerial work platform
US4354607A (en) Crane for heavy lifting with an erection column for the main jib
JP3058849U (en) Aerial work vehicle
JP2001302181A (en) Jib extension and storage device of mobile crane
JPH1179691A (en) Lifting device for high lift work vehicle
JPH07139283A (en) Slope boring machine
JP2001226081A (en) Boom working speed control device of flexing boom type working car
KR20090000097U (en) Crane mounted on electric vehicle
JPH08108991A (en) Crane equipment
JPH085615B2 (en) Posture control device for hanging work machine
JPH11315549A (en) Hydraulic backhoe having crane function
JP2556196Y2 (en) Excavator crane equipment
JP4256017B2 (en) Mobile crane equipment with auxiliary jib
JP2002225687A (en) Jack device for working vehicle
JP2000008399A (en) Work machine
JPH0941376A (en) Pile driver
JP3203896U (en) crane
JPS59154232A (en) Shovel with hoist
JPH09227073A (en) Mobile crane

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080609

Year of fee payment: 8

LAPS Cancellation because of no payment of annual fees