JPH06166364A - Operation control method of construction machine washing device - Google Patents
Operation control method of construction machine washing deviceInfo
- Publication number
- JPH06166364A JPH06166364A JP32183392A JP32183392A JPH06166364A JP H06166364 A JPH06166364 A JP H06166364A JP 32183392 A JP32183392 A JP 32183392A JP 32183392 A JP32183392 A JP 32183392A JP H06166364 A JPH06166364 A JP H06166364A
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- construction machine
- main body
- frame
- dirt
- 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
Landscapes
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、パワーショベル、ブル
ドーザ等の建設機械を洗浄する装置の動作制御方法に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation control method for an apparatus for cleaning construction machines such as power shovels and bulldozers.
【０００２】[0002]
【従来の技術】パワーショベル、ブルドーザ等の建設機
械は履帯式走行装置により走行する車体に作業機を装着
し、土木工事現場等で土工作業するものであり、その履
帯式走行装置はトラックフレームに取付けた起動輪と遊
動輪とに履帯を巻掛け、トラックフレームに取付けた上
転輪、下転輪で履帯を支持するようにしてある。建設機
械は前述のようであるから、土木作業することで履帯式
走行装置、特に履帯の表面、履帯の裏面とトラックフレ
ームの上下面との間、起動輪、遊動輪に土砂が付着堆積
し、点検・修理時やトラック等による輸送時に付着堆積
した土砂を洗浄する必要があり、従来は作業者がホース
を持って高圧水を噴きつけることで洗浄している。2. Description of the Related Art Construction machines such as power shovels and bulldozers are equipped with a work machine mounted on a vehicle body driven by a crawler type traveling device to perform earthwork at a civil engineering work site. The crawler belt is wound around the mounted starter wheel and idler wheel, and the crawler belt is supported by the upper and lower rolling wheels mounted on the track frame. Since the construction machine is as described above, by carrying out civil engineering work, crawler-type traveling devices, especially the surface of the crawler track, the backside of the crawler track, and the upper and lower surfaces of the track frame, the start wheels and the idler wheels adhere and accumulate soil. It is necessary to clean the sediment deposited during inspection / repair or transportation by truck, etc. In the past, workers carried out cleaning by spraying high pressure water with a hose.
【０００３】かかる土砂の洗浄では作業者に水とともに
泥が飛散して身体を汚すことがあって大変な苦渋作業と
なっている。そこで、本出願人は先に前述の課題を解決
できるようにした建設機械の洗浄装置を提案した。[0003] In such cleaning of earth and sand, mud may scatter with water and soil the body to the operator, which is a very troublesome work. Therefore, the present applicant has previously proposed a cleaning device for a construction machine that can solve the above-mentioned problems.
【０００４】すなわち、フレーム本体に沿って走行自在
な本体と、この本体に沿って上下動及び上下首振り自在
なノズルより成り、ノズルを上下首振りしながら移動さ
せ、所定ストローク移動したりノズルを下方に移動して
再び上下首振りしながら移動させることで、建設機械の
履帯式走行装置に高圧水を波形軌跡を描くように噴射し
て自動的に、しかも効率良く洗浄できる建設機械の洗浄
装置である。That is, it is composed of a main body that can run along the frame main body and a nozzle that can move up and down and swing up and down along the main body. Cleaning equipment for construction machines that moves downward while swinging up and down again to inject high-pressure water into the track-type traveling equipment of construction machines in a wavy pattern to clean automatically and efficiently. Is.
【０００５】[0005]
【発明が解決しようとする課題】建設機械の履帯式走行
装置は機種や種類によって大きさが異なるし、汚れの程
度等も異なるので、前述の建設機械の洗浄装置によって
履帯式走行装置を効率良く短時間に洗浄することは困難
である。Since the crawler type traveling device of the construction machine is different in size and type depending on the type and type, the degree of dirt and the like is different. It is difficult to wash in a short time.
【０００６】そこで、本発明は前述の課題を解決できる
ようにした建設機械洗浄装置の動作制御方法を提供する
ことを目的とする。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a method for controlling the operation of a construction machine cleaning device which can solve the above-mentioned problems.
【０００７】[0007]
【課題を解決するための手段】フレーム本体１に沿って
走行自在な本体２と、この本体２に沿って上下動及び上
下首振り自在なノズル３より成る建設機械洗浄装置で建
設機械の履帯式走行装置を洗浄する際に、そのノズル３
の移動軌跡と首振り角度を建設機械の機種、汚れ程度に
応じてそれぞれパターンとしてあらかじめ設定し、洗浄
する建設機械の機種、汚れ程度に応じて１つのパターン
を選択してその選択したパターンに基づいてノズル３を
移動する建設機械洗浄装置の動作制御方法。[Means for Solving the Problems] A construction machine cleaning apparatus comprising a main body 2 that can run freely along a frame body 1 and a nozzle 3 that can move up and down and swing up and down along the main body 2 is a crawler type construction machine. When cleaning the traveling device, the nozzle 3
The movement locus and swing angle of the machine are preset as patterns according to the model of the construction machine and the degree of dirt, and one pattern is selected according to the model of the construction machine to be cleaned and the degree of dirt, and based on the selected pattern. Operation method of a construction machine cleaning device that moves the nozzle 3 by moving the nozzle.
【０００８】[0008]
【作 用】建設機械の機種、汚れ程度によってパター
ンを選択することで、ノズル３があらかじめ設定したパ
ターンに従って自動的に移動するから、簡単な操作で建
設機械の履帯式走行装置を効率良く洗浄できる。[Operation] The nozzle 3 automatically moves according to the preset pattern by selecting the pattern according to the model of the construction machine and the degree of contamination, so the crawler type traveling device of the construction machine can be efficiently washed with a simple operation. .
【０００９】[0009]
【実 施 例】図１ないし図７を参照して建設機械洗浄
装置の詳細を説明する。図１に示すように、鉄板等の基
板Ａ上に洗浄装置Ｂが配設され、この洗浄装置Ｂは建設
機械Ｃと平行に配設された長尺なフレーム本体１と、こ
のフレーム本体１に沿って長手方向に走行自在な本体２
と、その本体２に上下首振り及び上下動自在に設けたノ
ズル３より成り、フレーム本体１の長手方向両側に取付
けた一対の縦支持材４，４間に索条５が張設され、その
索条５に沿って摺動自在なる摺動子６にホース７及び制
御ケーブル８の長手方向複数箇所が間隔を置いて垂れ下
がるように連結されて、本体２の走行時にホース２、制
御ケーブル８がスムーズに移動するようにしてある。[Examples] The construction machine cleaning device will be described in detail with reference to Figs. As shown in FIG. 1, a cleaning device B is arranged on a substrate A such as an iron plate, and the cleaning device B is a long frame main body 1 arranged in parallel with the construction machine C, and Main body 2 that can run freely in the longitudinal direction
And a nozzle 3 provided on the main body 2 so as to be vertically swingable and vertically movable, and a cord 5 is stretched between a pair of vertical support members 4 and 4 attached to both sides in the longitudinal direction of the frame main body 1. A plurality of longitudinal portions of the hose 7 and the control cable 8 are connected to a slider 6 which is slidable along the cords 5 so as to hang down at intervals, so that the hose 2 and the control cable 8 are moved when the main body 2 travels. It is designed to move smoothly.
【００１０】前記フレーム本体１は図２、図３に示すよ
うに、長尺なＩ型断面のレール１０の長手方向両端部に
横材１１をそれぞれ取付け、その各横材１１の両端部に
キャスタ輪１２を取付けてあり、フレーム本体１は基板
Ａに沿って走行可能となっている。As shown in FIGS. 2 and 3, the frame body 1 is provided with horizontal members 11 at both ends in the longitudinal direction of a rail 10 having a long I-shaped cross section, and casters are provided at both ends of each horizontal member 11. A wheel 12 is attached so that the frame body 1 can run along the board A.
【００１１】前記本体２は図２、図３に示すように、レ
ール１０に沿って走行自在な可動枠１３に縦長の本体枠
１４を取付けて成り、その可動枠１３にレール１０の下
面に接する下部ガイドローラ１５及びレール１０の側面
に接する側部ガイドローラ１６、並びにレール１０の上
面に接する駆動ローラ１７が設けてある。前記駆動ロー
ラ１７は図４に示すように一対の軸１８に２個取付けら
れ、この一対の軸１８はスプロケット１９とチェーン２
０で連動し、一方の軸１８は図５のようにスプロケット
２１、チェーン２２等の伝動機構２３、減速機２４等を
介して走行モータ２５に連結している。As shown in FIGS. 2 and 3, the main body 2 is formed by attaching a vertically long main body frame 14 to a movable frame 13 which can run along the rail 10, and the movable frame 13 is in contact with the lower surface of the rail 10. A lower guide roller 15 and a side guide roller 16 contacting the side surface of the rail 10, and a drive roller 17 contacting the upper surface of the rail 10 are provided. As shown in FIG. 4, the two drive rollers 17 are attached to a pair of shafts 18, and the pair of shafts 18 includes a sprocket 19 and a chain 2.
As shown in FIG. 5, one shaft 18 is connected to a traveling motor 25 via a sprocket 21, a transmission mechanism 23 such as a chain 22 and a speed reducer 24 as shown in FIG.
【００１２】前記本体枠１４内には図４、図６、図７の
ように一対の縦フレーム２６，２６が設けてあり、この
一対の縦フレーム２６，２６の上部間に横フレーム２７
が横架固着され、この横フレーム２７と前記可動枠１３
とに亘って送りスクリュー２８とガイド杆２９が平行に
取付けてあり、そのガイド杆２９に沿って支持フレーム
３０が上下動自在に支承してある。前記送りスクリュー
２８はスプロケット３１、チェーン３２等の伝動機構３
３を介して前記横フレーム２７に取付けた上下送りモー
タ３４に連結し、その送りスクリュー２８に螺合した送
りナット３５が前記支持フレーム３０に回転自在に支承
され、上下送りモータ３４を駆動すると支持フレーム３
０がガイド杆２９に沿って上下動し、その上下移動スト
ロークを送りスクリュー２８の回転検出器４０で検出で
きるようになり、しかも支持フレーム３０の上限、下限
を検出する上下リミットスイッチ３６、３７が一方の縦
フレーム２６に取付けてある。前記支持フレーム３０に
は軸３８が首振りモータ３９で正逆回転自在に設けてあ
り、その軸３４に前記ノズル３が取付けてある。このノ
ズル３は高圧水はストレートに噴射するタイプでも良い
し、高圧水を拡散して噴射するタイプでも良い。A pair of vertical frames 26, 26 are provided in the main body frame 14 as shown in FIGS. 4, 6 and 7, and a horizontal frame 27 is provided between the upper portions of the pair of vertical frames 26, 26.
Are horizontally fixed, and the horizontal frame 27 and the movable frame 13 are fixed.
A feed screw 28 and a guide rod 29 are attached in parallel to each other, and a support frame 30 is movably supported vertically along the guide rod 29. The feed screw 28 is a transmission mechanism 3 such as a sprocket 31 and a chain 32.
3 is connected to a vertical feed motor 34 attached to the horizontal frame 27, and a feed nut 35 screwed to the feed screw 28 is rotatably supported by the support frame 30 and is supported when the vertical feed motor 34 is driven. Frame 3
0 moves up and down along the guide rod 29, the vertical movement stroke can be detected by the rotation detector 40 of the feed screw 28, and the upper and lower limit switches 36 and 37 for detecting the upper and lower limits of the support frame 30 are provided. It is attached to one vertical frame 26. A shaft 38 is provided on the support frame 30 so as to be rotatable forward and backward by a swinging motor 39, and the nozzle 3 is attached to the shaft 34. The nozzle 3 may be of a type that sprays high-pressure water straightly, or may be of a type that diffuses and sprays high-pressure water.
【００１３】図８は制御部のブロック説明図であり、操
作盤４０とコントローラ４１を備え、走行モータ２５の
回転数等を検出する走行モータ用センサ４２、上下送り
モータ３４の回転数等を検出する上下送りモータ用セン
サ４３、首振りモータ３９の回転数等を検出する首振り
モータ用センサ４４の検出信号がコントローラ４１に入
力されてノズル走行距離、ノズル上下動距離、ノズル首
振り角度を演算するようにしてある。なお各センサは回
転板の回転数に比例したパルスを出力するものとしてあ
る。FIG. 8 is a block diagram of the control unit, which is provided with an operation panel 40 and a controller 41, and detects a rotation motor sensor 42 for detecting the rotation speed of the travel motor 25 and the rotation speed of the vertical feed motor 34. The detection signals from the vertical feed motor sensor 43 and the swing motor sensor 44 that detects the number of revolutions of the swing motor 39 are input to the controller 41 to calculate the nozzle travel distance, the nozzle vertical movement distance, and the nozzle swing angle. I am doing it. Each sensor outputs a pulse proportional to the rotation speed of the rotary plate.
【００１４】前記制御盤４０には機種選択スイッチ４
５、例えばテンキー及び汚れ程度選択スイッチ４６、例
えば汚れ大、汚れ中、汚れ小の三段階の選択スイッチ並
びに洗浄個所選択スイッチ４７、例えば全体、履帯上部
を選択するスイッチ、動作選択スイッチ５５を例えば
右、同時、左動作選択スイッチ水ポンプ起動スイッチ５
２、手動操作スイッチ５３、自動洗車スイッチ５４等が
設けてある。A model selection switch 4 is provided on the control panel 40.
5, for example, a ten-key pad and a dirt degree selection switch 46, for example, a three-step selection switch for large dirt, medium dirt, and small dirt, and a washing point selection switch 47, for example, a switch for selecting the whole, the upper part of the crawler track, and an operation selection switch 55 for example on the right , Simultaneous, left operation selection switch Water pump start switch 5
2, a manual operation switch 53, an automatic car wash switch 54, etc. are provided.
【００１５】前記コントローラ４１にはノズル走行距離
設定部４８、ノズル上下距離設定部４９、ノズル首振り
角度設定部５０、ノズル往復回数設定部５１等が設けら
れ、これらには機種、汚れ程度、洗車部分等によって予
じめ最適なるデータが設定され、前記各選択スイッチに
よって選択入力された値に基づいたデータが読み出され
て各モータに制御信号を出力する。例えば、各モータは
パルスによる駆動するステップモータとなり、コントロ
ーラ４１からの出力パルスによって駆動され、各モータ
の回転は各センサによってパルスとして検出されてコン
トローラ４１に入力され、その入力パルスと選択した設
定条件と比較して出力パルスをコントロールすることで
各モータを制御する。The controller 41 is provided with a nozzle travel distance setting unit 48, a nozzle vertical distance setting unit 49, a nozzle swing angle setting unit 50, a nozzle reciprocating frequency setting unit 51, and the like. Data that is optimal in advance is set by a portion or the like, data based on the value selectively input by each of the selection switches is read, and a control signal is output to each motor. For example, each motor becomes a step motor that is driven by a pulse, is driven by an output pulse from the controller 41, and the rotation of each motor is detected as a pulse by each sensor and input to the controller 41. The input pulse and the selected setting condition Each motor is controlled by controlling the output pulse compared with.
【００１６】次に洗浄動作を説明する。手動操作スイッ
チ５３を操作して走行モータ２５、上下送りモータ３４
を動作してノズル３を洗車開始位置、例えばアイドラ中
心位置にセットする機種選択スイッチ４５によって洗浄
する機種を選択し、汚れ程度選択スイッチ４６で汚れ程
度を選択し、動作選択スイッチ５５で動作する側の洗浄
装置を選択し、洗浄個所選択スイッチ４７で洗浄個所を
選択してコントローラ４１にそれぞれ入力し、コントロ
ーラ４１は選択した機種、汚れ程度、洗浄個所に対応し
たノズル走行距離、ノズル上下動距離、ノズル首振り角
度、ノズル往復回数を各設定部より選択する。これによ
り、ノズル３の移動軌跡を例えば図９に示すように設定
される。Next, the cleaning operation will be described. The manual operation switch 53 is operated to operate the traveling motor 25 and the vertical feed motor 34.
Is operated to set the nozzle 3 to a car wash start position, for example, the center position of the idler, a model selection switch 45 is used to select a model to be cleaned, a dirt level selection switch 46 is used to select a dirt level, and an operation selection switch 55 is operated. The cleaning device is selected, and the cleaning part is selected by the cleaning part selection switch 47 and input to the controller 41. The controller 41 selects the model, the degree of dirt, the nozzle traveling distance corresponding to the cleaning part, the nozzle vertical movement distance, The nozzle swing angle and the number of nozzle reciprocations are selected from each setting section. As a result, the movement locus of the nozzle 3 is set as shown in FIG. 9, for example.
【００１７】水ポンプ起動スイッチ５２をＯＮしてノズ
ル３より高圧水を噴射すると同時に自動洗車スイッチ５
４をＯＮして自動洗車を開始する。これにより、ノズル
３が走行、上下動、首振りし、それらは各センサで検出
したパルスに基づいてコントローラ４１で演算して出力
パルスと比較して出力パルスを制御することで設定した
動作軌跡に沿ってノズル３を移動し、かつノズル３を首
振りする。そして洗車終了条件を満たしたら自動的にノ
ズル３の移動が及び水ポンプ停止して洗車が中止する。The water pump start switch 52 is turned on to inject high-pressure water from the nozzle 3 and at the same time the automatic car wash switch 5
Turn on 4 to start automatic car washing. As a result, the nozzle 3 runs, moves up and down, swings, and these are calculated by the controller 41 based on the pulses detected by the respective sensors, and compared with the output pulse to control the output pulse. The nozzle 3 is moved along and the nozzle 3 is swung. When the conditions for ending the car wash are satisfied, the nozzle 3 is automatically moved and the water pump is stopped to stop the car wash.
【００１８】次にノズル３の移動軌跡について説明す
る。図９は全体洗浄のノズル移動軌跡を示し、履帯６０
の全長Ｌがノズル移動距離であり、ノズル３の上下動距
離Ｈは履帯６０部分と、上下転輪６１，６２部分が短
く、その中間部分は長くなる。図１０は履帯上部洗浄の
ノズル移動軌跡を示し、履帯６０の上部分だけにノズル
３を複数回往複動する。ノズル３の首振り角度は大型機
種程大きく、小型機種程小さくする。汚れ程度が大の時
にはノズル３の上下動距離Ｈを小さくして往復回数を多
くし、汚れ程度が中、小となるにつれて上下距離Ｈを大
きく往復回数を少なくする。Next, the locus of movement of the nozzle 3 will be described. FIG. 9 shows the trajectory of the nozzles for cleaning the whole body, and the track 60
Is the nozzle movement distance, and the vertical movement distance H of the nozzle 3 is short for the crawler belt 60 portion and the vertical rolling wheels 61, 62 portion, and the intermediate portion thereof is long. FIG. 10 shows a nozzle movement locus for cleaning the upper part of the crawler belt, in which only the upper portion of the crawler belt 60 moves the nozzle 3 back and forth a plurality of times. The swinging angle of the nozzle 3 is larger for the large model and smaller for the smaller model. When the degree of contamination is large, the vertical movement distance H of the nozzle 3 is reduced to increase the number of reciprocations, and as the degree of contamination decreases to medium and small, the vertical distance H is increased and the number of reciprocations is reduced.
【００１９】[0019]
【発明の効果】建設機械の機種、汚れ程度によってパタ
ーンを選択することで、ノズル３があらかじめ設定した
パターンに従って自動的に移動するから、簡単な操作で
建設機械の履帯式走行装置を効率良く洗浄できる。The nozzle 3 automatically moves according to a preset pattern by selecting a pattern according to the model of the construction machine and the degree of contamination, so that the crawler type traveling device of the construction machine can be efficiently washed with a simple operation. it can.
【図１】洗浄装置の設置状態を示す斜視図である。FIG. 1 is a perspective view showing an installed state of a cleaning device.
【図２】洗浄装置の正面図である。FIG. 2 is a front view of a cleaning device.
【図３】洗浄装置の側面図である。FIG. 3 is a side view of the cleaning device.
【図４】洗浄装置の詳細正面図である。FIG. 4 is a detailed front view of the cleaning device.
【図５】駆動ローラ取付部の断面図である。FIG. 5 is a sectional view of a drive roller mounting portion.
【図６】図４の平面図である。FIG. 6 is a plan view of FIG.
【図７】ノズル取付部の平面図である。FIG. 7 is a plan view of a nozzle mounting portion.
【図８】ノズル動作制御回路図である。FIG. 8 is a nozzle operation control circuit diagram.
【図９】ノズルの移動軌跡を示す説明図である。FIG. 9 is an explanatory diagram showing a movement trajectory of a nozzle.
【図１０】ノズルの移動軌跡を示す説明図である。FIG. 10 is an explanatory diagram showing a movement trajectory of a nozzle.
１…フレーム本体、２…本体、３…ノズル。 1 ... Frame main body, 2 ... Main body, 3 ... Nozzle.
【手続補正書】[Procedure amendment]
【提出日】平成６年１月１１日[Submission date] January 11, 1994
【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[Name of item to be amended] Claims
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【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】０００７[Correction target item name] 0007
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【０００７】[0007]
【課題を解決するための手段】フレーム本体１に沿って
走行自在な本体２と、この本体２に沿って上下動及び首
振り自在なノズル３より成る建設機械洗浄装置で建設機
械の履帯式走行装置を洗浄する際に、そのノズル３の移
動軌跡と首振り角度を建設機械の機種、汚れ程度に応じ
てそれぞれパターンとしてあらかじめ設定し、洗浄する
建設機械の機種、汚れ程度に応じて１つのパターンを選
択してその選択したパターンに基づいてノズル３を移動
する建設機械洗浄装置の動作制御方法。A construction machine cleaning device comprising a main body 2 that can run freely along a frame body 1 and a nozzle 3 that can move up and down and swing along the main body 2 is a crawler type running machine for a construction machine. When cleaning the device, the movement locus and the swinging angle of the nozzle 3 are preset as patterns according to the model of the construction machine and the degree of dirt, and one pattern is set according to the model of the construction machine to be cleaned and the degree of dirt. Is selected, and the operation control method of the construction machine cleaning apparatus that moves the nozzle 3 based on the selected pattern.
Claims (1)
２と、この本体２に沿って上下動及び上下首振り自在な
ノズル３より成る建設機械洗浄装置で建設機械の履帯式
走行装置を洗浄する際に、そのノズル３の移動軌跡と首
振り角度を建設機械の機種、汚れ程度に応じてそれぞれ
パターンとしてあらかじめ設定し、洗浄する建設機械の
機種、汚れ程度に応じて１つのパターンを選択してその
選択したパターンに基づいてノズル３を移動することを
特徴とする建設機械洗浄装置の動作制御方法。1. A crawler-type traveling device for a construction machine is washed with a construction machine cleaning device including a main body 2 that can travel along a frame main body 1 and a nozzle 3 that can move up and down and swing up and down along the main body 2. In doing so, the movement locus and the swinging angle of the nozzle 3 are preset as patterns according to the model of the construction machine and the degree of dirt, and one pattern is selected according to the model of the construction machine to be washed and the degree of dirt. A method for controlling the operation of a construction machine cleaning device, wherein the nozzle 3 is moved based on the selected pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32183392A JP3161639B2 (en) | 1992-12-01 | 1992-12-01 | Operation control method of construction machine cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32183392A JP3161639B2 (en) | 1992-12-01 | 1992-12-01 | Operation control method of construction machine cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06166364A true JPH06166364A (en) | 1994-06-14 |
| JP3161639B2 JP3161639B2 (en) | 2001-04-25 |
Family
ID=18136938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32183392A Expired - Lifetime JP3161639B2 (en) | 1992-12-01 | 1992-12-01 | Operation control method of construction machine cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3161639B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102099348B1 (en) * | 2018-12-10 | 2020-05-15 | 김종대 | Cleaning equipment |
-
1992
- 1992-12-01 JP JP32183392A patent/JP3161639B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102099348B1 (en) * | 2018-12-10 | 2020-05-15 | 김종대 | Cleaning equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3161639B2 (en) | 2001-04-25 |
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