JPH03238300A - Device for limiting working range of work vehicle for elevated for elevated place - Google Patents
Device for limiting working range of work vehicle for elevated for elevated placeInfo
- Publication number
- JPH03238300A JPH03238300A JP3063990A JP3063990A JPH03238300A JP H03238300 A JPH03238300 A JP H03238300A JP 3063990 A JP3063990 A JP 3063990A JP 3063990 A JP3063990 A JP 3063990A JP H03238300 A JPH03238300 A JP H03238300A
- Authority
- JP
- Japan
- Prior art keywords
- boom
- limit value
- angle
- length
- boom length
- 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
- 238000001514 detection method Methods 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 230000008602 contraction Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
Description
【発明の詳細な説明】
（ａ＞産業上の利用分野
本発明は作業台が安全な作業範囲を越えるとブーム装置
の危険側の作動を規制する高所作業車の分野で利用され
るものである。Detailed Description of the Invention (a> Industrial Application Field The present invention is used in the field of aerial work vehicles, which restricts the dangerous operation of the boom device when the work platform exceeds the safe working range. be.
（ｂ）従来の技術
従来の高所作業車における作業範囲規制装置は実公平１
−１４６４０＠公報に開示されているごとく、ブーム倒
伏方向モーメントの許容限界に対応する限界値をブーム
の各起伏角度毎に記憶させ、角度検出器からの角度信号
を読み出し信号としてその時のブーム起伏角におけるモ
ーメントの限界値を読み出し、この読み出した限界価を
負荷検出器にて検出したモーメントと比較して、後者の
値が前者の値に達するとブームの動きを制限するように
なっている。(b) Conventional technology The work range regulating device of the conventional aerial work vehicle is actually fair 1.
-14640@ Publication, the limit value corresponding to the permissible limit of the boom lodging direction moment is stored for each boom lofting angle, and the angle signal from the angle detector is used as the readout signal for the boom lofting angle at that time. The limit value of the moment is read out, and the read limit value is compared with the moment detected by the load detector, and when the latter value reaches the former value, the movement of the boom is restricted.
（Ｃ）発明か解決しようとする課題
一般に高所作業車はブームを伸長させ作業台を高所に位
置させて作業を行う。(C) Problem to be Solved by the Invention Generally, aerial work vehicles perform work by extending the boom and positioning the work platform at a high location.
そのため、作業台やブームは風圧により上下揺動じ、ま
たブーム作動時には慣性力にて上下揺動するためブーム
の起伏角を正確に検出することは困難である。Therefore, since the work platform and the boom swing up and down due to wind pressure, and also swing up and down due to inertia when the boom is activated, it is difficult to accurately detect the boom angle.
ところで前記規制装置においては、限界値の読み出しを
、そのときのブーム起伏角にて行ない、限界値と比較す
る検出値もそのときのブーム起伏角から導いたモーメン
トであり、両者が起伏角にもとづく値であることから正
確な値は得られず、そのため規制装置としての役目を十
分に果すことかできないという問題がある。By the way, in the above-mentioned regulation device, the limit value is read at the boom heave angle at that time, and the detected value compared with the limit value is also a moment derived from the boom heave angle at that time, and both are based on the boom heave angle. Since it is a value, it is not possible to obtain an accurate value, and therefore, there is a problem in that it cannot sufficiently fulfill its role as a regulating device.
本発明は変動の少ないブーム長さとブーム長さの限界値
とを比較させるようにして魂制装置としての精度を高め
るようにした高所作業車の作業範囲規制装置を提供する
ものである。The present invention provides a working range regulating device for a high-altitude working vehicle that improves the accuracy of the control device by comparing the boom length with little fluctuation and the limit value of the boom length.
（ｄ、）課題を解決するための手段
本発明は車体上にブーム装置を設け、ブーム装置の先端
に作業台を設け、前記ブーム装置を起伏・伸縮・旋回可
能にした高所作業車において、前記ブーム装置の各起伏
角度毎にアーム長さの限界値を記憶した限界値テーブル
と前記ブーム装置の起伏角度を検出する角度検出手段か
らの検出角度に対応したブーム長さの限界値を前記テー
ブルから抽出する限界値出力手段と、前記限界値出力手
段から抽出された限界値とブーム長さ検出手段にて検出
されたブーム装置のブーム長さとを比較して前記ブーム
長さか限界値を越えるとブーム装置の危険側の作業を規
制する判別規制手段とからなる高所作業車の作業範囲規
制装置に関するものである。(d.) Means for Solving the Problems The present invention provides an aerial work vehicle in which a boom device is provided on the vehicle body, a work platform is provided at the tip of the boom device, and the boom device is capable of raising and lowering, extending and contracting, and turning. A limit value table that stores arm length limit values for each luffing angle of the boom device; and a limit value table that stores boom length limit values corresponding to detected angles from an angle detection means that detects the luffing angle of the boom device. A limit value output means extracted from the limit value output means compares the limit value extracted from the limit value output means with the boom length of the boom device detected by the boom length detection means, and if the boom length exceeds the limit value. The present invention relates to a work range regulating device for a high-altitude working vehicle, which includes a discrimination regulating means for regulating dangerous work of a boom device.
（ｅ）作用
作業時において、ブーム装置のブーム長さが、限界値出
力手段にて抽出されたブーム長さの限界値を請えると、
判別規制手段にてブーム装置の危険側の作業を停止させ
る。(e) During operational work, when the boom length of the boom device receives the limit value of the boom length extracted by the limit value output means,
The dangerous operation of the boom device is stopped by the discrimination restriction means.
（ｆ＞実施例
以下本発明の実施例を図面にて説明すると、（１）は車
体で、該車体（１）には旋回台（２）を介して支柱（３
）が立設され、前記支柱（３）には伸縮式のブーム装置
（４）が軸支され、ブーム装置（４）の先端には取付ブ
ラケット（５）を介して作業台（６）を取付けである。(f>Example) Hereinafter, an example of the present invention will be described with reference to the drawings. (1) is a car body, and the car body (1) is connected to a support column (3) via a swivel table (2).
) is erected, a telescoping boom device (4) is pivotally supported on the pillar (3), and a workbench (6) is attached to the tip of the boom device (4) via a mounting bracket (5). It is.
前記支柱（３）とブーム装置（４）との間にはブーム装
置（４）を起伏させる起伏シリンダ（７）を設け、ブー
ム装置（４）との軸支部には負荷検出手段であるロード
セル（８）を設けである。A hoisting cylinder (7) for hoisting the boom device (4) is provided between the support column (3) and the boom device (4), and a load cell (load cell) serving as a load detection means is provided at the shaft support with the boom device (4). 8) is provided.
（９）は作業台自動平衡装置で、該平衡装置（９）は支
柱（３）とブーム装置（４）との間に下水平レベルシリ
ンダ（１０）を、ブーム装置（４）と取付ブラケット（
５）との間に上水平レベルシリンダ（１１）をそれぞれ
設け、前記両シリンダ（１０）（１１）を互いに逆の伸
縮動作を行なうように配管（１２）（１２）にて接続し
である。(9) is a work platform automatic balancing device, which includes a lower horizontal level cylinder (10) between the column (3) and the boom device (4), and a lower horizontal level cylinder (10) between the boom device (4) and the mounting bracket (
Upper horizontal level cylinders (11) are provided between the two cylinders (10) and (11), respectively, and the two cylinders (10) and (11) are connected by pipes (12) and (12) so that they can extend and contract in opposite directions.
また下水平レベルシリンダ（１０）側にはボトム側とロ
ッド側との圧力差にて負荷を検出する負荷補助検出手段
でおる圧力センサ（１３）を設けである。Further, a pressure sensor (13) is provided on the lower horizontal level cylinder (10) side as a load auxiliary detection means for detecting the load based on the pressure difference between the bottom side and the rod side.
（１４）はブーム装置（４）の起伏角を検出する角度検
出手段である傾斜センサで、該傾斜センサ（１４）は液
面レベルの変化を静電容量の変化として検出して電気信
号に変換するもので、ブーム装置（４）基部に設けであ
る。(14) is an inclination sensor that is an angle detection means for detecting the undulation angle of the boom device (4), and the inclination sensor (14) detects a change in liquid level as a change in capacitance and converts it into an electrical signal. It is installed at the base of the boom device (4).
（１５）はブーム装置（４）のブーム長さを検出するブ
ーム長さ検出手段である長さセンサで、該長さセンサ（
１５）は第３図に示すごとく、中間ブーム（１６）にブ
ラケット（１７）（１７）を介して張設したチェーン（
１８）を基部ブーム（１９）に取付けたスプロケット（
２０）に掛け、スプロケット（２０）の回転を可変抵抗
器（２１）にて電気信号に変換し、ブーム長さを検出す
るものである。(15) is a length sensor which is a boom length detection means for detecting the boom length of the boom device (4);
As shown in Figure 3, 15) is a chain (
Sprocket (18) attached to the base boom (19)
20), the rotation of the sprocket (20) is converted into an electrical signal by a variable resistor (21), and the boom length is detected.
尚、先部ブーム（２２）の伸縮は中間ブーム（１６）の
伸縮に同調するため中間ブーム（１６）の伸縮を検出す
ることによりブーム装置（４）全長を検出することがで
きるようになっている。In addition, since the expansion and contraction of the front boom (22) is synchronized with the expansion and contraction of the intermediate boom (16), the entire length of the boom device (4) can be detected by detecting the expansion and contraction of the intermediate boom (16). There is.
作業台（６）と取付ブラケット（５）との関係は第５図
に示すごとくブーム装置（４）先端に軸支した取付ブラ
ケット（５）に支持軸（２３）を立設し、この支持軸（
２３）に作業台（６）から延びた支持ブラケット（２４
）を回動可能に設けである。The relationship between the workbench (6) and the mounting bracket (5) is as shown in Figure 5. (
A support bracket (24) extending from the workbench (6) to
) is rotatably provided.
前記支持ブラケット（２４）には一体状にギヤ（２５）
を設け、前記ギヤ（２５）を取付ブラケット（５）上の
モータ（２６）にて回転できるようになっている。A gear (25) is integrated into the support bracket (24).
The gear (25) can be rotated by a motor (26) on the mounting bracket (5).
またモータ（２６）上方の台（２７）には作業台旋回角
検出センサ（２８）を設け、前記検出センサ（２８）は
ギヤ（２５）の回転から検出できるようになっている。Further, a workbench rotation angle detection sensor (28) is provided on the platform (27) above the motor (26), and the detection sensor (28) can detect the rotation of the gear (25).
（２９）はブーム装置（４）の旋回角βを検出する旋回
角検出センサで、該センサ（２９）は旋回台（２）の中
央に位置させである。(29) is a turning angle detection sensor for detecting the turning angle β of the boom device (4), and the sensor (29) is located at the center of the turning base (2).
Ｃ３０）（３０）は車体（１）を支持するアウトリガで
ある。C30) (30) is an outrigger that supports the vehicle body (1).
（３１）は可変抵抗器（２１）を保護するカバーである
。(31) is a cover that protects the variable resistor (21).
次に規制手段である制御装置を第６図にて説明すると、
（３２）は作業台荷重（作業台に荷物を載せることによ
り発生する荷重）を導くための演算手段である演算処理
部で、該処理部（３２）は長ざセンサ（１５）からのブ
ーム長さＲと、傾斜センサ（１４）からのブーム装置起
伏角θと、起伏シリンダ（７）のロードセル（８）から
の負荷Ｆ１と、下水平レベルシリンダ（１０）の圧力セ
ンサ（１３）からの負荷Ｆ２と、作業台旋回角検出セン
サ（２８）からの旋回角αとから、下記の式にて作業台
荷重り３を演算処理するようになっている。Next, the control device which is the regulating means will be explained with reference to Fig. 6.
(32) is a calculation processing unit which is a calculation means for deriving the workbench load (load generated by placing a load on the workbench), and the processing unit (32) is a calculation unit that calculates the boom length from the length sensor (15). R, the boom device luffing angle θ from the inclination sensor (14), the load F1 from the load cell (8) of the luffing cylinder (7), and the load from the pressure sensor (13) of the lower horizontal level cylinder (10). The workbench load 3 is calculated using the following formula from F2 and the turning angle α from the workbench turning angle detection sensor (28).
Ｆｌ −Ｒ４十Ｆ２ ・ Ｒ５＝Ｗ１ ・
Ｒ１ｃｃｅＷ２（Ｒ２ｃｑｃｒ＋Ｒｃｄθ ）＋１ｌ１
３・（Ｒ３■Ｓα＋Ｒ）θ）
尚、Ｒ４，Ｒ５はブーム装置（４）の起伏中心から各シ
リンダ（７） （１０）までの距離で、起伏角θから求
まる。Fl −R40F2 ・R5=W1 ・
R1cceW2(R2cqcr+Rcdθ)+1l1
3.(R3■Sα+R)θ) Note that R4 and R5 are the distances from the center of undulation of the boom device (4) to each cylinder (7) and (10), and are determined from the undulation angle θ.
−１はブーム装置（４）の自重で、Ｗ２は作業台（６）
の自重であり、重量は一定である。-1 is the dead weight of the boom device (4), W2 is the work platform (6)
is its own weight, and the weight is constant.
Ｒ１はブーム装置（４）の重心までの距離でブーム長ざ
Ｒから求まる。R1 is the distance to the center of gravity of the boom device (4) and is determined from the boom length R.
Ｒ２は第４図のごとくブーム装置（４）に直交する線Ｘ
から作業台（６）の重心までの距離である。R2 is the line X perpendicular to the boom device (4) as shown in Figure 4.
It is the distance from to the center of gravity of the workbench (6).
Ｒ３は線Ｘから作業台（６）に荷物を載せる位置までの
距離である。R3 is the distance from line X to the position where the load is placed on the workbench (6).
（３３）はブーム長さの限界値テーブル（３４）から限
界値を抽出する限界値出力手段である限界値出力部で、
該出力部（３３）は前記処理部（３２）にて導かれた作
業台荷重−３と起伏角θと旋回角検出センサ（２９）に
よる旋回角βとにてブーム長さの限界値ＲＯを抽出する
ようになっている。(33) is a limit value output unit which is a limit value output means for extracting a limit value from the boom length limit value table (34);
The output section (33) calculates the limit value RO of the boom length using the work platform load -3 derived by the processing section (32), the heave angle θ, and the swing angle β detected by the swing angle detection sensor (29). It is designed to be extracted.
前記限界値テーブル（３４）は作業台荷重０Ｋｒｊ、
１ｏｏＫｇ。The limit value table (34) indicates that the workbench load is 0Krj,
1ooKg.
１５ＯＮ！？、 ２００１’（ｇと起伏角１度毎に０
度から７５度と旋回角１０度毎に０度から３６０度とを
相互に組合わせて、それぞれに対応したブーム長さの限
界値を設定しである。15 ON! ? , 2001' (0 for each g and undulation angle of 1 degree
By mutually combining 0 to 75 degrees and 0 to 360 degrees for every 10 degrees of turning angle, the limit value of the boom length corresponding to each is set.
尚、旋回角βも考慮することとしたのは第８図の如く車
輌前後方向に対して車輌側方方向の安全範囲か狭いため
、それに対応させるためである。The reason why the turning angle β is also taken into consideration is to accommodate the fact that the safety range in the lateral direction of the vehicle is narrower than in the longitudinal direction of the vehicle, as shown in FIG.
（３５）は判別規制手段でおる判別規制部で、前記抽出
された限界１ｉｉＲｏと長さセンサ（１５）によるブー
ム長さＲとを比較判別して、ブーム長さＲが限界値ＲＯ
を越えた場合にはブーム装置（４）の危険側の作業、す
なわちブーム装置（４）の伏倒、伸長側方への旋回作業
を停止させるようにしたものである。(35) is a discrimination regulation section which is a discrimination regulation means, which compares and discriminates the extracted limit 1iiRo and the boom length R measured by the length sensor (15), and determines whether the boom length R is the limit value RO.
If this exceeds the limit, the dangerous work of the boom device (4), that is, the work of lowering the boom device (4), extending it, and turning it to the side is stopped.
本発明は前記の如き構成で次に作用について説明すると
、まず作業場所で停車した後アウトリガ（３０）・・・
を接地させて車体（１）を安定させる。The present invention has the above-mentioned structure. Next, the operation will be explained. First, after stopping at the work place, the outrigger (30)...
to the ground to stabilize the vehicle body (1).
次にブーム装置（４）を起伏シリンダ（７）にて起伏さ
せ、また伸縮、旋回させて作業台（６）を作業位置に移
動させる。Next, the boom device (4) is raised and lowered by the raising and lowering cylinder (7), and also extended, contracted, and rotated to move the workbench (6) to the working position.
その際作業台（６）は作業台自動平衡装置（９）にて常
に水平に保持されるようになっている。At this time, the workbench (6) is always held horizontally by an automatic workbench balancing device (9).
ところで作業台（６）を移動させる際、ロードセル（８
）からの負荷Ｆ１、圧力センサ（１３）からの負荷Ｅ２
、作業台旋回角検出センサ（２８）からの旋回角α、長
さセンサ（１５）からのブーム長さＲ１傾斜センサ（１
４）からの起伏角θ、ブーム装置旋回角検出センサ（２
９）からの旋回角βの角検出値により演算処理部（３２
）、限界値出力部（３３）を介してブーム長さの限界値
ＲＯを抽出し、そのときのブーム長さＲと判別規制部（
３５）にて比較判別するようになっている。By the way, when moving the workbench (6), the load cell (8)
) load F1 from the pressure sensor (13), load E2 from the pressure sensor (13)
, the rotation angle α from the work platform rotation angle detection sensor (28), the boom length R1 from the length sensor (15), the inclination sensor (1
4) and the boom device rotation angle detection sensor (2).
The arithmetic processing unit (32) uses the angle detection value of the turning angle β from
), the limit value RO of the boom length is extracted via the limit value output section (33), and the boom length R at that time and the discrimination regulation section (
35) for comparison and determination.
その際、第７図の如くブーム装置（４）を伏倒させて安
全範囲（実線内）を越えると前記ブーム長さＲが限界値
ＲＯより大きくなるため判別規制部（３５）にてブーム
装置（４）の危険側の作動、すなわち伏倒及び伸長が規
制される。At that time, as shown in Fig. 7, if the boom device (4) is laid down and exceeds the safety range (within the solid line), the boom length R becomes larger than the limit value RO, so the boom device (4) Dangerous operations, ie, lying down and extension, are restricted.
作業台荷重１１１３か増加すると安全範囲が第７図−点
鎖線、二点鎖線のように狭くなり、それに会ったブーム
長さの限界値か設定される。When the workbench load 1113 increases, the safety range becomes narrower as shown in the dashed and double dotted lines in Fig. 7, and a limit value of the boom length is set to meet this range.
また第８図の如くブーム装置（４）を側方に旋回させ、
安全範囲（実線内）を越えると、そのときブーム長さＲ
が限界１血ＲＯより大きくなるため判別規制部（３５）
にてブーム装置（４）の危険側の作動、すなわち矢印方
向の作動か規制されるようになっている。Also, as shown in Fig. 8, the boom device (4) is rotated to the side,
If the safety range (within the solid line) is exceeded, then the boom length R
is larger than the limit 1 blood RO, so the discrimination regulation section (35)
At this point, the dangerous operation of the boom device (4), that is, the operation in the direction of the arrow, is restricted.
尚、実施例では多数の検出値からブーム長さの限界値を
抽出するよううにしているが、限界値テーブルを角起伏
角度に対するブーム長さにしておけば検出値は起伏角度
とブーム長さだけでよく、これにて作業範囲を規制する
ことは可能である。In addition, in the embodiment, the limit value of the boom length is extracted from a large number of detected values, but if the limit value table is set to the boom length with respect to the angular luffing angle, the detected value will be the same as the luffing angle and the boom length. It is possible to control the scope of work with this.
（ｇ）発明の効果
以上の如く本発明はブーム装置の起伏角度毎にブーム長
さの限界値を記憶した限界値テーブルからブーム長さの
限界値を抽出し、そのときのブーム長さと比較して、ブ
ーム長さが限界値を越えた場合にはブーム装置の危険側
の作業を規制するようにしたので、従来のように比較対
象の値のいずれにも変動の著しい起伏角度が関与してい
るのと比べて判別の精度を高めることができ、精度の高
い作業範囲規制を行なうことができる。(g) Effects of the Invention As described above, the present invention extracts the limit value of the boom length from the limit value table storing the limit value of the boom length for each lifting angle of the boom device, and compares it with the boom length at that time. Therefore, if the boom length exceeds the limit value, dangerous work of the boom device is regulated, so unlike the conventional method, the significantly fluctuating luffing angle is not involved in any of the values to be compared. It is possible to improve the accuracy of discrimination compared to the conventional method, and to perform highly accurate work range regulation.
第１図は全体図、第２図は主要部拡大図、第３図は長ざ
センサの拡大図、第４図は作業台上面図、第５図は作業
台の連結部分の拡大図、第６図は制御系統図、第７図及
び第８図は安全範囲の概略図でおる。
（４）はブーム装置、（６）は作業台、（１４）は傾斜
センサ、（１５）は長さセンサ、（３２）は演韓処理部
、（３４）は限界値テーブル、（３３）は限界値出力部
、（３５）は判別規制部。Figure 1 is an overall view, Figure 2 is an enlarged view of the main parts, Figure 3 is an enlarged view of the length sensor, Figure 4 is a top view of the workbench, Figure 5 is an enlarged view of the connecting part of the workbench, Figure 6 is a control system diagram, and Figures 7 and 8 are schematic diagrams of the safety range. (4) is the boom device, (6) is the workbench, (14) is the inclination sensor, (15) is the length sensor, (32) is the processing section, (34) is the limit value table, (33) is Limit value output section, (35) is a discrimination regulation section.
Claims (3)
作業台を設け、前記ブーム装置を起伏・伸縮・旋回可能
にした高所作業車において、前記ブーム装置の各起伏角
度毎にブーム長さの限界値を記憶した限界値テーブルと
前記ブーム装置の起伏角度を検出する角度検出手段から
の検出角度に対応したブーム長さの限界値を前記テーブ
ルから抽出する限界値出力手段と、前記限界値出力手段
から抽出された限界値とブーム長さ検出手段にて検出さ
れたブーム装置のブーム長さとを比較して前記ブーム長
さが限界値を越えるとブーム装置の危険側の作業を規制
する判別規制手段とからなる高所作業車の作業範囲規制
装置。(1) In an aerial work vehicle in which a boom device is provided on the vehicle body, a workbench is provided at the tip of the boom device, and the boom device can be raised, extended and retracted, and rotated, the boom length is determined by each raising and lowering angle of the boom device. a limit value table storing limit values of the boom length; a limit value output means for extracting from the table a limit value of the boom length corresponding to the detected angle from the angle detecting means for detecting the luffing angle of the boom device; The limit value extracted from the value output means is compared with the boom length of the boom device detected by the boom length detection means, and if the boom length exceeds the limit value, dangerous work of the boom device is restricted. A working range regulating device for an aerial work vehicle comprising a discrimination regulating means.
度毎にブーム長さの限界値を記憶した限界値テーブルと
、作業台荷重検出手段にて検出された荷重と角度検出手
段にて検出された角度とに対応したブーム長さの限界値
を前記テーブルから抽出する限界値出力手段と、判別規
制手段とからなる特許請求の範囲第１項記載の高所作業
車の作業範囲規制装置。(2) A limit value table that stores the limit value of the boom length for each load acting on the workbench and each lifting angle of the boom device, and the load and angle detection means detected by the workbench load detection means. A working range regulating device for an aerial work vehicle according to claim 1, comprising a limit value output means for extracting a limit value of a boom length corresponding to the detected angle from the table, and a discrimination regulating means. .
毎にブーム長さの限界値を記憶した限界値テーブルと、
旋回角検出手段にて検出したブーム装置の旋回角と角度
検出手段にて検出された角度とに対応したブーム長さの
限界値を前記テーブルから抽出する限界値出力手段と判
別規制手段とからなる特許請求の範囲第１項記載の高所
作業車の作業範囲規制装置。(3) a limit value table storing limit values of the boom length for each swing angle of the boom device and each luffing angle of the boom device;
It consists of a limit value output means for extracting from the table a limit value of the boom length corresponding to the swing angle of the boom device detected by the swing angle detection means and the angle detected by the angle detection means, and a discrimination regulation means. A working range regulating device for an elevated work vehicle according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2030639A JPH0742077B2 (en) | 1990-02-09 | 1990-02-09 | Work range control device for aerial work vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2030639A JPH0742077B2 (en) | 1990-02-09 | 1990-02-09 | Work range control device for aerial work vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03238300A true JPH03238300A (en) | 1991-10-24 |
| JPH0742077B2 JPH0742077B2 (en) | 1995-05-10 |
Family
ID=12309409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2030639A Expired - Lifetime JPH0742077B2 (en) | 1990-02-09 | 1990-02-09 | Work range control device for aerial work vehicles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0742077B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1346943A3 (en) * | 2002-03-18 | 2005-05-04 | JLG Industries, Inc. | Measurement system and method for assessing lift vehicle stability |
| EP2301884A1 (en) * | 2009-09-28 | 2011-03-30 | Haulotte Group | Lifting platform and method to command the same platform |
| WO2013117050A1 (en) * | 2012-02-08 | 2013-08-15 | 湖南三一智能控制设备有限公司 | Boom system, engineering machinery, and a method for acquiring boom system distal end position parameter |
| JP2014218331A (en) * | 2013-05-08 | 2014-11-20 | 株式会社アイチコーポレーション | Vehicle for high lift work |
| JP2018034782A (en) * | 2016-08-31 | 2018-03-08 | 浙江鼎力机械股▲ふん▼有限公司 | Low center of gravity bodywork and aerial work platform |
| WO2018053556A3 (en) * | 2016-09-13 | 2018-06-07 | Johannes Jacobus Fourie | A levelling system, a limiter and a counterbalance assembly for a lifting apparatus |
| CN115535931A (en) * | 2022-09-19 | 2022-12-30 | 临工重机股份有限公司 | A kind of control method of aerial ladder car and aerial ladder car |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6178198U (en) * | 1984-10-26 | 1986-05-26 | ||
| JPS648200A (en) * | 1987-06-30 | 1989-01-12 | Toyoda Automatic Loom Works | Movement regulator for bench in height service car |
| JPS6414640U (en) * | 1987-07-20 | 1989-01-25 |
-
1990
- 1990-02-09 JP JP2030639A patent/JPH0742077B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6178198U (en) * | 1984-10-26 | 1986-05-26 | ||
| JPS648200A (en) * | 1987-06-30 | 1989-01-12 | Toyoda Automatic Loom Works | Movement regulator for bench in height service car |
| JPS6414640U (en) * | 1987-07-20 | 1989-01-25 |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1346943A3 (en) * | 2002-03-18 | 2005-05-04 | JLG Industries, Inc. | Measurement system and method for assessing lift vehicle stability |
| EP2301884A1 (en) * | 2009-09-28 | 2011-03-30 | Haulotte Group | Lifting platform and method to command the same platform |
| FR2950618A1 (en) * | 2009-09-28 | 2011-04-01 | Haulotte Group | LIFT BOOM AND METHOD OF CONTROLLING SUCH NACELLE |
| US9079756B2 (en) | 2009-09-28 | 2015-07-14 | Haulotte Group | Elevating platform and a method of controlling such a platform |
| WO2013117050A1 (en) * | 2012-02-08 | 2013-08-15 | 湖南三一智能控制设备有限公司 | Boom system, engineering machinery, and a method for acquiring boom system distal end position parameter |
| US9187916B2 (en) | 2012-02-08 | 2015-11-17 | Hunan Sany Intelligent Control Equipment Co., Ltd | Boom system, engineering machinery, and a method for acquiring boom system distal end position parameter |
| JP2014218331A (en) * | 2013-05-08 | 2014-11-20 | 株式会社アイチコーポレーション | Vehicle for high lift work |
| JP2018034782A (en) * | 2016-08-31 | 2018-03-08 | 浙江鼎力机械股▲ふん▼有限公司 | Low center of gravity bodywork and aerial work platform |
| WO2018053556A3 (en) * | 2016-09-13 | 2018-06-07 | Johannes Jacobus Fourie | A levelling system, a limiter and a counterbalance assembly for a lifting apparatus |
| CN115535931A (en) * | 2022-09-19 | 2022-12-30 | 临工重机股份有限公司 | A kind of control method of aerial ladder car and aerial ladder car |
| CN115535931B (en) * | 2022-09-19 | 2025-11-18 | 临工重机股份有限公司 | A control method for a ladder truck and the ladder truck itself. |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0742077B2 (en) | 1995-05-10 |
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