【０００１】[0001]
【産業上の利用分野】本発明は、オーダピッキング車の
フオークにパレットが差し込まれていないことを運転者
に知らしめるためのパレットレス報知装置に関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a palletless alarm device for informing a driver that a pallet is not inserted in a fork of an order picking vehicle.
【０００２】[0002]
【従来の技術】従来のオーダピッキング車には、オーダ
ピッキング車のフオークにパレットが差し込まれていな
いことを運転者に知らしめるための装置を何等装着され
ていなかった。2. Description of the Related Art A conventional order picking vehicle is not equipped with any device for informing a driver that a pallet is not inserted in a fork of the order picking vehicle.
【０００３】[0003]
【発明が解決しようとする課題】従来は、上述のよう
に、オーダピッキング車のフオークにパレットが差し込
まれていないことを運転者に知らしめるための装置は何
等装着されていなかったため、ピッキング作業をする指
定場所まで走行し、かつフオークを運転台とともに所定
の高さまで上昇させ、ピッキング作業をせんとした際
に、フオークにパレットが差し込まれていないことを知
った場合、再度パレットを取りに戻らなければならず、
荷役作業時間が長くかかり、荷役作業能率が低下すると
いう課題が生じた。Conventionally, as described above, since no device for notifying the driver that the pallet has not been inserted into the fork of the order picking vehicle is mounted, the picking operation is not performed. If you find that no pallet has been inserted into the forks when you have picked up the forks and raised the forks together with the cab to the designated height, you must return to the pallets again. Must
There was a problem that the cargo handling time was long and the cargo handling efficiency decreased.
【０００４】[0004]
【課題を解決する手段】本発明は、運転者がフオーク側
を見ないで操作するオーダピッキング車において、該オ
ーダピッキング車の運転台下部に配置した光電センサ、
運転台が所定の高さ上昇したことを検出する運転台高さ
検出器、運転台高さ検出器の出力信号と運転台を上昇さ
せる指令信号がともに印加し、かつ、上記光電センサの
出力信号が印加されない時、警報器を作動させる警報器
作動制御装置を設けて、上述の課題を解決したものであ
る。SUMMARY OF THE INVENTION The present invention relates to an order picking vehicle operated by a driver without looking at the fork side, and a photoelectric sensor arranged below the driver's cab of the order picking vehicle.
The cab height detector that detects that the cab has risen to a predetermined height, the output signal of the cab height detector and the command signal that raises the cab are both applied, and the output signal of the photoelectric sensor The above-mentioned problem is solved by providing an alarm activation control device that activates the alarm when the voltage is not applied.
【０００５】更に、光電センサを、該光電センサの光軸
を前方下方に傾けてオーダピッキング車の運転台下部中
央に配置する構成も、単純な構成でコストが安価とな
る。Further, the structure in which the photoelectric sensor is arranged in the center of the lower part of the driver's cab of the order picking vehicle with the optical axis of the photoelectric sensor tilted downward and forward is simple and the cost is low.
【０００６】別の解決手段として、光電センサを、投光
用センサと受光用センサに分離し、パレットの中央部の
けたの厚みより以上の間隔を設け、かつ、投光用センサ
と受光用センサの光軸がエッジボードの外端から150mm
内で向かい合うよう運転台下部に固定したブラケットで
取り付け、フオークを上昇させることなくフオークの有
無を知らせることができる。フオークの有無を知らせる
のに、フオークを昇降させる必要がなく、無駄な時間を
省略できる。As another solution, the photoelectric sensor is divided into a light projecting sensor and a light receiving sensor, and a space larger than the thickness of the beam at the center of the pallet is provided, and the light projecting sensor and the light receiving sensor are provided. The optical axis of is 150mm from the outer edge of the edge board
It can be attached with a bracket fixed to the lower part of the cab so that they can face each other inside, and it can notify the presence or absence of a fork without raising the fork. There is no need to move the forks up and down to notify the presence or absence of the forks, and wasteful time can be omitted.
【０００７】[0007]
【実施例】本発明の一実施例について、以下図面に基づ
き説明する。図１は本発明を装着するオーダピッキング
車の斜視図で、図２はオーダピッキング車の側面図であ
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of an order picking vehicle equipped with the present invention, and FIG. 2 is a side view of the order picking vehicle.
【０００８】図１および図２において、オーダピッキン
グ車１は、車体３、該車体３には操舵兼駆動輪５を前方
に、遊輪６一対を後方に配置し、上記車体３の後方には
マスト装置２が装着され、該マスト装置２には運転台４
が上下動可能に、該運転台４にはフオーク７、７が固定
されている。1 and 2, an order picking vehicle 1 includes a vehicle body 3, a steering / driving wheel 5 on the vehicle body 3 in the front, and a pair of idle wheels 6 in the rear, and a mast on the rear side of the vehicle body 3. The device 2 is mounted and the mast device 2 is equipped with a cab 4
The forks 7, 7 are fixed to the driver's cab 4 so as to be vertically movable.
【０００９】上記マスト装置２は車体３に固定される固
定マスト２Ａと固定マスト２Ａに沿って上下動する内マ
スト２Ｂからなり、運転台４は内マスト２Ｂに沿って上
下動可能に装着されている。The mast device 2 is composed of a fixed mast 2A fixed to the vehicle body 3 and an inner mast 2B which moves up and down along the fixed mast 2A, and the cab 4 is mounted so as to be vertically movable along the inner mast 2B. There is.
【００１０】運転台４には、上記操舵兼駆動輪５を操舵
するハンドル８と警報器１１が設けられている。The driver's cab 4 is provided with a steering wheel 8 for steering the steering / driving wheel 5 and an alarm device 11.
【００１１】運転台４の下部で、かつ、運転台４の中心
からいずれか一方に偏った位置に光電センサ９が、その
光軸Ｘを走行路面と水平方向と並行に後方に向け固定さ
れている。該光電センサ９は投光部９Ａと受光部９Ｂと
を具備したものである。A photoelectric sensor 9 is fixed to the lower part of the driver's cab 4 and at a position deviated from the center of the driver's cab 4 to one of the positions, with its optical axis X directed rearward in parallel with the traveling road surface and in the horizontal direction. There is. The photoelectric sensor 9 includes a light projecting section 9A and a light receiving section 9B.
【００１２】運転台高さ検出器１５は、内マスト２Ｂに
リミットスイッチ１５Ａが、運転台４にトグ１５Ｂが固
定されたものから構成され、運転台４が上昇してトグ１
５Ｂがリミットスイッチ１５Ａを作動させると、運転台
４は所定の高さに達した状態となる。The cab height detector 15 comprises an inner mast 2B and a limit switch 15A fixed to the cab 4, and a tog 15B fixed to the cab 4.
When 5B actuates the limit switch 15A, the cab 4 reaches a predetermined height.
【００１３】上述のように、トグ１５Ｂがリミットスイ
ッチ１５Ａを作動させたとき、この時の出力信号が警報
器作動制御装置１０に印加する。As described above, when the tog 15B actuates the limit switch 15A, the output signal at this time is applied to the alarm activation control device 10.
【００１４】パレット１３は、図５に図示されているよ
うに、長方形の形状をなし、長方形の形状のけた１３Ｃ
を両端に、けた１３Ｄを中央にそれぞれ配置し、けた１
３Ｃ、１３Ｄの上面と下面に所定の巾の板材からなるデ
ッキボード１３Ａ、１３Ｂ、１３Ｅ、１３Ｆを一定の間
隔を空け、かつ板材の長さ方向をバレット１３の巾方向
に向けてそれぞれ固定したものから構成され、デッキボ
ード１３Ａ、１３Ｅはもっとも外側に配置され、デッキ
ボード１３Ｂ、１３Ｆは両側のデッキボード（エッジボ
ードとも呼ぶ）１３Ａ、１３Ｅに挟まれるようにして配
置固定されている。As shown in FIG. 5, the pallet 13 has a rectangular shape and has a rectangular shaped column 13C.
Place the digit 13D at both ends and the digit 13D in the center.
Deck boards 13A, 13B, 13E, 13F made of plate materials having a predetermined width are fixed to the upper and lower surfaces of 3C, 13D at fixed intervals, and the length direction of the plate materials is fixed in the width direction of the bullet 13. The deck boards 13A and 13E are arranged on the outermost side, and the deck boards 13B and 13F are arranged and fixed so as to be sandwiched between the deck boards (also referred to as edge boards) 13A and 13E on both sides.
【００１５】上記フオーク７をパレット１３の差込み口
から挿入していくと、運転台４の下部に配置した光電セ
ンサ９の投光部９Ａから発する光がデッキボード１３Ａ
の下面あるいはデッキボード１３Ｅの上面から反射され
る光を受光部９Ｂで受光して発する信号が警報器作動制
御装置１２に印加される。When the fork 7 is inserted from the insertion port of the pallet 13, the light emitted from the light projecting portion 9A of the photoelectric sensor 9 arranged at the lower part of the cab 4 is emitted from the deck board 13A.
A signal emitted by the light receiving portion 9B receiving the light reflected from the lower surface of the deck board 13E or the upper surface of the deck board 13E is applied to the alarm activation control device 12.
【００１６】警報器作動制御装置１０は、図６に図示さ
れているように、ＮＯＴ素子１０Ａとアンド素子１０Ｂ
からなり、光電センサ９の作動した信号がＮＯＴ素子１
０Ａへ印加され、該ＮＯＴ素子１０Ａの出力と運転台高
さ検出器１５の検出信号および運転台が上昇しているこ
とを検出する上昇方向検出器１６からの信号がすべてア
ンド素子１０Ｂに印加される。光電センサ９の作動した
信号がＮＯＴ素子１０Ａへ印加すると、ＮＯＴ素子１０
Ａの出力はＬとなり、他はＨとなってもアンド素子１０
Ｂの出力はＬとなり、警報器１１は鳴らないが、光電セ
ンサ９が作動しないと、ＮＯＴ素子１０Ａの出力はＨと
なり、他がＨとなっている場合にはアンド素子１０Ｂの
出力はＨとなって警報器１１を鳴らす。As shown in FIG. 6, the alarm activation control device 10 includes a NOT element 10A and an AND element 10B.
And the signal that the photoelectric sensor 9 is activated is the NOT element 1
0A, the output of the NOT element 10A, the detection signal of the cab height detector 15, and the signal from the ascending direction detector 16 that detects that the cab is rising are all applied to the AND element 10B. It When the signal operated by the photoelectric sensor 9 is applied to the NOT element 10A, the NOT element 10A
Even if the output of A becomes L and the other becomes H, the AND element 10
The output of B becomes L and the alarm device 11 does not sound, but when the photoelectric sensor 9 does not operate, the output of the NOT element 10A becomes H, and when the other is H, the output of the AND element 10B becomes H. And the alarm 11 is sounded.
【００１７】第二の実施例を図７、図８、図９にて説明
すると、該光電センサ９の光軸を前方下方に傾けてオー
ダピッキング車１の運転台４の下部中央に配置し、パレ
ット１３の中央部のけた１３Ｄのみを検出する構成とす
る。A second embodiment will be described with reference to FIGS. 7, 8 and 9 in which the optical axis of the photoelectric sensor 9 is tilted forward and downward, and the photoelectric sensor 9 is arranged at the center of the lower portion of the cab 4 of the order picking vehicle 1. Only the digits 13D at the center of the pallet 13 are detected.
【００１８】上述のように、パレット１３の中央部のけ
た１３Ｄの下方の投射位置Ｚのみを検出する構成となっ
ているので、フオーク７の上面にパレット１３がのって
いるか否かも検出できるので、走行中にパレット１３が
ずり落ちると心配がなくなり、荷役作業能率が向上す
る。As described above, since only the projection position Z below the digit 13D at the center of the pallet 13 is detected, it is possible to detect whether or not the pallet 13 is on the upper surface of the fork 7. When the pallet 13 slides down during traveling, there is no need to worry, and the cargo handling work efficiency improves.
【００１９】第三の実施例を図１０にて説明すると、運
転台４の下部に、中央部が中央に配置されたけたの巾よ
り広く、挟むように断面コ型状のブラケット２０を固定
し、一方の第一突出部２０Ａに投光センサ２１Ａを、他
方の第二突出部２０Ｂに受光センサ２１Ｂをそれぞれ配
置し、パレット１３の中央に配置されたけた１３Ｄで光
を遮られた時、パレット１３内にフオーク７が挿入され
た状態となる。ただし、投光用センサ２１Ａと受光用セ
ンサ２１Ｂの光軸がエッジボード１３Ａの外端から150m
m 内で向かい合うようブラケット２０に投光用センサ２
１Ａと受光用センサ２１Ｂを配置する。A third embodiment will be described with reference to FIG. 10. A bracket 20 having a U-shaped cross section is fixed to the lower portion of the operator's cab 4 so that the central portion is wider than the width of the centrally arranged beam. The light projecting sensor 21A is arranged on the one first projecting portion 20A, and the light receiving sensor 21B is arranged on the other second projecting portion 20B, and when the light is blocked by the scale 13D arranged in the center of the pallet 13, the pallet The fork 7 is inserted into the fork 13. However, the optical axes of the light emitting sensor 21A and the light receiving sensor 21B are 150 m from the outer edge of the edge board 13A.
The light emitting sensor 2 is mounted on the bracket 20 so as to face each other within m.
1A and the light receiving sensor 21B are arranged.
【００２０】上述のように、断面コ型状のブラケットに
投光用センサと受光用センサを配置して、中央に配置さ
れたけたを検出するのみでよいから、速やかにバレット
の中にフオークが挿入されたかどうかわかり、昇降動作
による無駄な作業時間が不要となり、一層荷役作業の効
率を高めることができる。As described above, since the light emitting sensor and the light receiving sensor are arranged on the bracket having a U-shaped cross section and only the digit arranged at the center needs to be detected, the fork is promptly formed in the bullet. It is possible to know whether or not it has been inserted, and unnecessary work time due to the lifting operation is unnecessary, and the efficiency of cargo handling work can be further improved.
【００２１】他方、ブラケットの代わりに断面コ型状の
箱体に投光用センサと受光用センサを配置するとともに
バッテリや警報器作動装置や警報器自体も一体的に組み
込むことで、車体との接続もなくなり、一つの部品とし
て提供できる。On the other hand, instead of the bracket, the light projecting sensor and the light receiving sensor are arranged in a box-shaped box-shaped body, and a battery, an alarm device actuating device, and the alarm device themselves are integrally incorporated, so that the vehicle body There is no connection, and it can be provided as a single component.
【００２２】[0022]
【発明の効果】本発明は、上述のように、運転者がフオ
ーク側を見ないで操作するオーダピッキング車におい
て、該オーダピッキング車の運転台下部に配置した光電
センサ、運転台が所定の高さ上昇したことを検出する運
転台高さ検出器、運転台高さ検出器の出力信号と運転台
を上昇させる指令信号がともに印加し、かつ、上記光電
センサの出力信号が印加されない時、警報器を作動させ
る警報器作動制御装置を設ける構成により、パレットの
中にフオークが挿入されたかどうかを確実に運転者に知
らしめることができるので、荷役作業の効率を増大す
る。As described above, according to the present invention, in the order picking vehicle that the driver operates without looking at the fork side, the photoelectric sensor and the cab located under the driver's cab of the order picking vehicle have a predetermined height. When the output signal of the cab height detector that detects that the cab has risen, the output signal of the cab height detector and the command signal that raises the cab are both applied, and the output signal of the photoelectric sensor is not applied, an alarm is issued. With the configuration in which the alarm activation control device for activating the container is provided, it is possible to surely inform the driver whether or not the fork is inserted in the pallet, so that the efficiency of the cargo handling work is increased.
【００２３】第二の実施例にあっては、光電センサを、
該光電センサの光軸を前方下方に傾けてオーダピッキン
グ車の運転台下部中央に配置する構成としたので、フオ
ークの上面にパレットがのっている状態も検出でき、走
行中にパレットが落下するのを防止できる。In the second embodiment, the photoelectric sensor is
Since the optical axis of the photoelectric sensor is tilted downward and arranged at the center of the lower part of the cab of the order picking vehicle, it is possible to detect the state where the pallet is on the upper surface of the fork, and the pallet drops during traveling. Can be prevented.
【００２４】第三の実施例にあっては、 光電センサ
を、投光用センサと受光用センサに分離し、パレットの
中央部のけたの厚みより以上の間隔を設け、かつ、投光
用センサと受光用センサの光軸がエッジボードの外端か
ら150mm 内で向かい合うよう運転台下部に固定したブラ
ケットで取り付ける構成として、フオークが所定の高さ
上昇しなくてもバレットの中にフオークが挿入できたか
どうか分かるので、無駄な時間を省くことができて荷役
作業の効率が向上する。In the third embodiment, the photoelectric sensor is divided into a light emitting sensor and a light receiving sensor, and the light emitting sensor is provided with a space larger than the thickness of the beam at the center of the pallet. With a bracket fixed to the lower part of the cab so that the optical axis of the sensor for receiving light and the optical axis of the light receiving sensor face each other within 150 mm from the outer edge of the edge board, the fork can be inserted into the bullet without the fork rising to a predetermined height. Since it is possible to know whether or not there is any waste, it is possible to save wasteful time and improve the efficiency of cargo handling work.
【００２５】更に、ブラケットの代わりに断面コ型状の
箱体２６に投光用センサ２１Ａと受光用センサ２１Ｂを
配置するとともに乾電池２２の陽極板２３および陰極板
２４を介して警報器１１に接続して、これらの部品を上
記箱体２６に一体的に組み込むことで、車体との接続も
なくなり、一つの部品として提供できる。Further, instead of the bracket, a light projecting sensor 21A and a light receiving sensor 21B are arranged in a box-shaped body 26 having a U-shaped cross section and connected to the alarm device 11 via the anode plate 23 and the cathode plate 24 of the dry cell 22. Then, by integrally incorporating these components into the box body 26, connection with the vehicle body is eliminated, and the components can be provided as one component.
【図１】本発明を装着しているオーダーピッキング車の
斜視図を示す。FIG. 1 shows a perspective view of an order picking vehicle equipped with the present invention.
【図２】本発明を装着しているオーダーピッキング車の
側面図を示す。FIG. 2 shows a side view of an order picking vehicle equipped with the present invention.
【図３】オーダーピッキング車の運転台に装着するセン
サの配置図を示す。FIG. 3 is a layout view of sensors mounted on a driver's cab of an order picking vehicle.
【図４】オーダーピッキング車の運転台下部に装着する
光電センサの配置図を示す。FIG. 4 is a layout view of photoelectric sensors attached to a lower part of a cab of an order picking vehicle.
【図５】パレットの斜視図を示す。FIG. 5 shows a perspective view of a pallet.
【図６】放置装置のブロックダインヤグラムを示す。FIG. 6 shows a block dynagram of a standing device.
【図７】本発明の二番目の実施例の光電センサの配置図
を示す。FIG. 7 shows a layout of a photoelectric sensor according to a second embodiment of the present invention.
【図８】本発明の二番目の実施例の光電センサの配置正
面図を示す。FIG. 8 shows an arrangement front view of a photoelectric sensor according to a second embodiment of the present invention.
【図９】光電センサの光軸がパレットに投射する位置を
示す。FIG. 9 shows a position where an optical axis of a photoelectric sensor projects onto a pallet.
【図１０】本発明の三番目の実施例の光電センサの配置
図を示す。FIG. 10 is a layout view of a photoelectric sensor according to a third embodiment of the present invention.
【図１１】本発明の三番目の実施例の他の光電センサの
構造図を示す。FIG. 11 is a structural diagram of another photoelectric sensor according to the third embodiment of the present invention.
１ オーダーピッキング車 ２ マスト装置 ３ 車体 ４ 運転台 ５ 操舵兼駆動輪 ６ 遊輪 ７ フオーク ８ ハンドル ９ 光電センサ １０ 警報器作動制御装置 １１ 警報器 １３ パレット １５ 運転台高さ検出器 1 order picking vehicle 2 mast device 3 vehicle body 4 driver's cab 5 steering and driving wheel 6 idler wheel 7 forks 8 handle 9 photoelectric sensor 10 alarm activation control device 11 alarm 13 pallet 15 cab height detector
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07146996AJP3304749B2 (en) | 1996-03-01 | 1996-03-01 | Palletless notification device for order picking vehicles |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07146996AJP3304749B2 (en) | 1996-03-01 | 1996-03-01 | Palletless notification device for order picking vehicles |
| Publication Number | Publication Date |
|---|---|
| JPH09235097Atrue JPH09235097A (en) | 1997-09-09 |
| JP3304749B2 JP3304749B2 (en) | 2002-07-22 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07146996AExpired - Fee RelatedJP3304749B2 (en) | 1996-03-01 | 1996-03-01 | Palletless notification device for order picking vehicles |
| Country | Link |
|---|---|
| JP (1) | JP3304749B2 (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006016186A (en)* | 2004-07-05 | 2006-01-19 | Nippon Yusoki Co Ltd | Fork controller of forklift |
| JP2015202956A (en)* | 2014-04-16 | 2015-11-16 | ニチユ三菱フォークリフト株式会社 | Loading vehicle |
| JP2016013924A (en)* | 2015-10-28 | 2016-01-28 | ニチユ三菱フォークリフト株式会社 | Loading vehicle |
| CN113508426A (en)* | 2019-03-22 | 2021-10-15 | 3M创新有限公司 | Fall protection system with monitoring system |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2024201612A1 (en)* | 2023-03-16 | 2024-10-03 | The Raymond Corporation | Load position verification systems and methods |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006016186A (en)* | 2004-07-05 | 2006-01-19 | Nippon Yusoki Co Ltd | Fork controller of forklift |
| JP2015202956A (en)* | 2014-04-16 | 2015-11-16 | ニチユ三菱フォークリフト株式会社 | Loading vehicle |
| JP2016013924A (en)* | 2015-10-28 | 2016-01-28 | ニチユ三菱フォークリフト株式会社 | Loading vehicle |
| CN113508426A (en)* | 2019-03-22 | 2021-10-15 | 3M创新有限公司 | Fall protection system with monitoring system |
| Publication number | Publication date |
|---|---|
| JP3304749B2 (en) | 2002-07-22 |
| Publication | Publication Date | Title |
|---|---|---|
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| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) | Free format text:JAPANESE INTERMEDIATE CODE: A01 Effective date:20020419 | |
| R250 | Receipt of annual fees | Free format text:JAPANESE INTERMEDIATE CODE: R250 | |
| LAPS | Cancellation because of no payment of annual fees |