JPH06247688A - Collision preventing device for crane - Google Patents
Collision preventing device for craneInfo
- Publication number
- JPH06247688A JPH06247688A JP3541493A JP3541493A JPH06247688A JP H06247688 A JPH06247688 A JP H06247688A JP 3541493 A JP3541493 A JP 3541493A JP 3541493 A JP3541493 A JP 3541493A JP H06247688 A JPH06247688 A JP H06247688A
- Authority
- JP
- Japan
- Prior art keywords
- crane
- light
- cranes
- reflector
- collision
- 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.)
- Pending
Links
Landscapes
- Control And Safety Of Cranes (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えば作業場等の建物
内の天井部に、水平方向に架設保持されている長尺のレ
ールによってそのレールの長手方向に移動可能に吊持さ
れている少なくとも２機のクレーンの衝突防止装置に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is, for example, at least suspended on a ceiling portion in a building such as a workplace by a long rail which is erected and held horizontally so as to be movable in the longitudinal direction of the rail. The present invention relates to a collision prevention device for two cranes.
【０００２】[0002]
【従来の技術】図１は従来のこの種のクレーン設備を示
すものであって、１−１及び１−２は作業場等の建造物
の一対の壁面を示し、この建造物内部の天井部には、そ
の双方壁面間に亘って水平方向のクレーン吊持用のレー
ル２（軌道）が架設されている。2. Description of the Related Art FIG. 1 shows a conventional crane equipment of this type. Reference numerals 1-1 and 1-2 show a pair of wall surfaces of a building such as a work place, and a ceiling portion inside the building. A rail 2 (track) for horizontally suspending the crane is erected between the both wall surfaces.
【０００３】このレール２には、工場内で搬送する重量
物等を移動あるいは積上げ、積下すために使用する２基
のクレーンＡ及びクレーンＢが、そのレール２に沿って
移動可能に吊持されているものである。On this rail 2, two cranes A and B, which are used for moving or stacking and unloading heavy objects transported in the factory, are movably suspended along the rail 2. It is what
【０００４】そしてそれら双方のクレーンＡ及びクレー
ンＢには、双方のクレーンＡ，Ｂの衝突を防止するため
に、レーダ波発信部と、その受信部を有する夫々の衝突
防止装置３及び４と、相手方の衝突防止装置から発する
例えばレーダ波（レーザ光でも使用可）を受けかつ相手
方の衝突防止装置へ反射せしめるためのリフレクタ５が
設備されていて、例えば双方のクレーンＡとクレーンＢ
が接近すると、一方又は双方クレーンの衝突防止装置か
ら発するレーダ波と、相手方リフレクタ５による反射波
による受信時間差により、双方のクレーンＡとＢとの距
離を測定し、この距離測定値に基いて、双方クレーンの
相互間隔を判断して、その相互間隔が設定値以下になれ
ば警報を発して双方クレーンの衝突防止に役立たせるも
のである。The crane A and the crane B of both of them are provided with a radar wave transmitting unit and respective collision preventing devices 3 and 4 having a receiving unit thereof in order to prevent the collision of the cranes A and B. There is provided a reflector 5 for receiving, for example, a radar wave (a laser beam can also be used) emitted from the other side collision prevention device and reflecting it to the other side collision prevention device. For example, both crane A and crane B are provided.
When approaching, the distance between the two cranes A and B is measured by the reception time difference between the radar wave emitted from the collision prevention device of one or both cranes and the reflected wave from the other reflector 5, and based on this distance measurement value, The mutual distance between the two cranes is determined, and when the mutual distance falls below a set value, an alarm is issued to help prevent collision between the two cranes.
【０００５】[0005]
【発明が解決しようとする課題】ところが、かかる従来
のクレーン衝突防止装置にあっては、双方クレーン間の
間隙検出つまりクレーン同志の衝突を防止することは可
能であるが、各クレーンＡ及びＢと、壁面１−１及び１
−２との衝突には役立つものでなく、クレーンと壁面と
の衝突による不具合が生じるものであった。However, in such a conventional crane collision prevention device, it is possible to detect the clearance between the two cranes, that is, to prevent collision between the cranes, but , Wall surfaces 1-1 and 1
It was not useful for the collision with the -2, and the trouble occurred due to the collision between the crane and the wall surface.
【０００６】従って各クレーンと壁面との衝突を防止せ
しめるためには、別の衝突防止を設備しなければなら
ず、設備及び管理等の点で経済性が低下するという問題
点があった。Therefore, in order to prevent the collision between each crane and the wall surface, another collision prevention means must be provided, and there is a problem that the economical efficiency is lowered in terms of equipment and management.
【０００７】[0007]
【課題を解決するための手段】本発明はかかる従来の問
題点に着目してなされたもので、一対の壁面間に架設し
た同一軌道上に、２機のクレーンを移動可能に支持する
クレーン設備において、その一方のクレーンには例えば
レーダ波を発信する発光部とそのレーダ波の反射波を受
信する受光部とを有する位置検出ユニットを設け、他方
のクレーンには、上記位置検出ユニットの発光部から発
するレーダ波を上記受光部へ直接入射せしめる第１のリ
フレクタ及び上記発光部から発するレーダ波を一方の壁
面に反射させ、この反射波を上記受光部へ間接入射せし
める第２のリフレクタを具備せしめて、一方のクレーン
位置で当該クレーンと一方壁面及び他方クレーンとの夫
々の間隔と、それら間隔を基にして他方クレーンと他方
壁面との間隔をも検出することができるようにして、双
方クレーン同志の衝突防止は勿論のこと、各クレーンと
壁面との衝突防止をも有効に行なえるクレーン用衝突防
止装置を提供することにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and is a crane equipment for movably supporting two cranes on the same track installed between a pair of wall surfaces. In one of the cranes, for example, a position detecting unit having a light emitting section for transmitting a radar wave and a light receiving section for receiving a reflected wave of the radar wave is provided, and the other crane is provided with a light emitting section of the position detecting unit. A first reflector for directly injecting a radar wave emitted from the light receiving unit into the light receiving unit and a second reflector for reflecting the radar wave emitted from the light emitting unit in one wall surface and indirectly injecting the reflected wave into the light receiving unit. The distance between the crane and the one wall surface and the other crane at one crane position, and the distance between the other crane and the other wall surface based on these distances. And to be able to output both cranes comrades anticollision, of course, it is to provide effectively for perform crane collision prevention device also collision avoidance between the crane and the wall surface.
【０００８】[0008]
【実施例】以下に本発明を図２及び図３に基いて詳細に
説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to FIGS.
【０００９】１−１，１−２は作業場建物等の一対の壁
面、２は双方の壁面１−１，１−２間の天井部に架設さ
れている軌道（レール）であって、この軌道２には、ク
レーンＡとクレーンＢが、その軌道２に沿って移動可能
に吊持（保持）されている。以上の説明構造は従来例と
変りない。Reference numerals 1-1 and 1-2 are a pair of wall surfaces of a worksite building or the like, and 2 is a track (rail) installed on a ceiling portion between the wall surfaces 1-1 and 1-2. A crane A and a crane B are suspended (held) on the track 2 so as to be movable along the track 2. The above description structure is the same as the conventional example.
【００１０】１１はクレーンＡに取付けられている位置
検出ユニットであって、この位置検出ユニット１１は図
３に示すように、クレーンＢに向けて配置されている発
光部１２及び受光部１３と、演算回路１４が組込まれて
いる。Reference numeral 11 denotes a position detection unit attached to the crane A. As shown in FIG. 3, the position detection unit 11 includes a light emitting portion 12 and a light receiving portion 13 arranged toward the crane B, The arithmetic circuit 14 is incorporated.
【００１１】他方のクレーンＢには、前記発光部１２か
らの光を受けて、受光部１３へ直接反射せしめるための
第１のリフレクタ１５と、前記発光部１２から光を一方
の壁面１−１に取付けられているリフレクタ１６に反射
させ、さらにこの反射光を受けて前記受光部１３へ間接
反射せしめるための第２のリフレクタ１７が設けられて
いる。The other crane B receives the light from the light emitting portion 12 and reflects it directly to the light receiving portion 13, and the light from the light emitting portion 12 on one wall surface 1-1. There is provided a second reflector 17 for reflecting the reflected light on the reflector 16 attached to, and for indirectly reflecting the reflected light to the light receiving portion 13.
【００１２】１８はクレーンＡに取付けられて、このク
レーンＡが壁面１−１又はクレーンＢと衝突しようとす
るとき作業者に注意を喚起せしめるための警報発信器、
１９はクレーンＢに取付けられて上記警報発信器１８か
らの信号を受けて発信する警報受信器を示す。Reference numeral 18 is an alarm transmitter attached to the crane A for alerting the operator when the crane A is about to collide with the wall 1-1 or the crane B.
Reference numeral 19 denotes an alarm receiver which is attached to the crane B and which receives and outputs a signal from the alarm transmitter 18.
【００１３】以上が本実施例の構成であるが、次にその
作用について述べる。The configuration of this embodiment has been described above. Next, its operation will be described.
【００１４】クレーンＡ及び／又はクレーンＢを軌道２
に沿って走行させるとき、そのクレーンＡとクレーンＢ
とが接近すれば、発光部１２から照射される例えばレー
ダ波又はレーザ光の一部がクレーンＢに設けられている
第１のリフレクタ１５に反射され、その反射波を受光部
１３で検出することで演算回路１４による公知の距離検
出処理によりクレーンＡとクレーンＢとの距離ｄ1 が検
出され、その距離ｄ1が設定距離以下に接近すれば警報
発信器１８から例えば警報が発する。Track Crane A and / or Crane B on track 2
Crane A and Crane B when traveling along
When and are close to each other, a part of, for example, a radar wave or a laser beam emitted from the light emitting unit 12 is reflected by the first reflector 15 provided on the crane B, and the reflected wave is detected by the light receiving unit 13. in the arithmetic circuit 14 a distance d 1 between the crane a crane B is detected by a known distance detection processing by, that distance d 1 is alarm transmitter 18, for example, from an alarm if approaching below the set distance emitted.
【００１５】またこれと同時に前記発光部１２から照射
されたレーダ波等の他部は、クレーンＢに設けられてい
る第２のリフレクタ１７に反射され、その反射波は壁面
１−１に取付けられているリフレクタ１６に向けて照射
される。さらにこのリフレクタ１６に反射された反射波
を第２のリフレクタ１７により前記受光部１３に間接照
射させることで演算回路１４による処理でクレーンＡと
壁面１−１との間隔ｄ2 が検出される。その間隔ｄ2 が
設定距離以下に接近すれば、クレーンＡが壁面１−１に
衝突する注意警報が警報発信器１８より発せられる。At the same time, other parts such as radar waves emitted from the light emitting section 12 are reflected by the second reflector 17 provided on the crane B, and the reflected waves are attached to the wall surface 1-1. The reflector 16 is illuminated. Further, the reflected wave reflected by the reflector 16 is indirectly applied to the light receiving section 13 by the second reflector 17, whereby the distance d 2 between the crane A and the wall surface 1-1 is detected by the processing by the arithmetic circuit 14. When the distance d 2 approaches the set distance or less, a warning alarm that the crane A collides with the wall surface 1-1 is issued from the alarm transmitter 18.
【００１６】上記の距離検出により双方クレーンＡとＢ
との間隔ｄ1 と、クレーンＡと壁面１−１との間隔ｄ2
が検出されることから、クレーンＢと壁面１−２との間
隔ｄ3 は演算回路１４にて次式で算出される。Both the cranes A and B are detected by the above distance detection.
Distance d 2 between the distance d 1 between the crane A and the wall 1-1 of the
Is detected, the distance d 3 between the crane B and the wall surface 1-2 is calculated by the arithmetic circuit 14 by the following equation.
【００１７】つまり双方壁面１−１と１−２との距離ｄ
m （定数）とすればｄ3 ＝ｄm −（ｄ1 ＋ｄ2 ）によっ
て求められる。That is, the distance d between both wall surfaces 1-1 and 1-2
if m (constant) d 3 = d m - determined by (d 1 + d 2).
【００１８】従ってクレーンＢと壁面１−２との変動距
離と壁面１−２との変動距離ｄ3 が検出され、この距離
ｄ3 が設定距離以下になれば、警報発信器１８より警報
信号が出力されると同時に警報受信器１９からもその警
報信号を受けて警報が発し、クレーンＢと壁面１−２と
の衝突防止に役立つものである。Therefore, the variation distance between the crane B and the wall surface 1-2 and the variation distance d 3 between the wall surface 1-2 are detected, and when this distance d 3 becomes less than the set distance, an alarm signal is issued from the alarm transmitter 18. At the same time as the output, the alarm signal is also received from the alarm receiver 19 and an alarm is issued, which helps prevent the collision between the crane B and the wall surface 1-2.
【００１９】以上のように本実施例によれば、一方のク
レーンＡには、発光部１２及び受光部１３を具備せし
め、また他方のクレーンＢには上記発光部からの光の一
部を直接に受光部１３へ直接反射させる第１のリフレク
タ及び発光部から光の他部を壁面に反射させ、この反射
光を前記受光部１３へ間接反射させる第２のリフレクタ
を具備せしめることにより双方クレーンの衝突防止は勿
論のこと各クレーンと壁面との衝突を未然に防止するこ
とができる。As described above, according to this embodiment, the crane A on one side is provided with the light emitting section 12 and the light receiving section 13, and the other crane B directly receives a part of the light from the light emitting section. The first reflector for directly reflecting the light to the light receiving portion 13 and the second reflector for reflecting the other portion of the light from the light emitting portion to the wall surface and indirectly reflecting the reflected light to the light receiving portion 13 are equipped with the two cranes. Not only the collision prevention but also the collision between each crane and the wall surface can be prevented in advance.
【００２０】[0020]
【発明の効果】以上のように本発明は、一対の壁面１−
１，１−２間に架設された同一軌道２上に２つのクレー
ンＡ，Ｂを走行可能に支持し、該２つのクレーンＡ，Ｂ
が、それぞれの壁面１−１，１−２及び相手クレーンと
の衝突を予測する衝突防止装置において、一方のクレー
ンＡに、相手クレーンＢに向けてレーダ波を投射する発
信部１２及び反射波を受ける受信部１３と、上記発信部
１２及び受信部１３からの情報に基いて距離を演算する
演算回路１４を設け、他方クレーンＢには、上記発信部
からのレーダ波を前記受信部１３へ直接に反射せしめる
ための第１のリフレクタ１５及び発信部からのレーダ波
を壁面１−１に反射させ、この反射波を受信部１３へ間
接反射せしめるための第２のリフレクタ１７を備えたク
レーン用衝突防止装置であるから、これによれば、双方
クレーン同志の衝突防止は勿論のこと、各クレーンと壁
との衝突も有効に回避できるという効果がある。As described above, according to the present invention, the pair of wall surfaces 1-
Two cranes A and B are movably supported on the same track 2 that is installed between the two cranes A and B, and the two cranes A and B are
However, in the collision prevention device that predicts a collision with each of the wall surfaces 1-1 and 1-2 and the partner crane, the transmitter 12 that projects the radar wave toward the partner crane B and the reflected wave are provided to one crane A. A receiving unit 13 for receiving and an arithmetic circuit 14 for calculating a distance based on information from the transmitting unit 12 and the receiving unit 13 are provided, while the crane B directly receives the radar wave from the transmitting unit to the receiving unit 13. Crane collision including a first reflector 15 for reflecting the reflected wave on the wall and a second reflector 17 for reflecting the reflected wave on the wall surface 1-1 and indirectly reflecting the reflected wave on the receiving section 13. Since this is a prevention device, this has the effect of not only preventing collision between the two cranes but also effectively avoiding collision between each crane and the wall.
【図１】従来例のクレーン用衝突防止装置の説明図。FIG. 1 is an explanatory diagram of a conventional crane collision prevention device.
【図２】本発明実施例のクレーン用衝突防止装置の説明
図。FIG. 2 is an explanatory view of a collision prevention device for a crane according to the embodiment of the present invention.
【図３】本発明実施例の位置検出ユニットの説明図。FIG. 3 is an explanatory diagram of a position detection unit according to the embodiment of the present invention.
１１…位置検出ユニット １２…発光部 １３…受光部 １４…演算回路 １５…第１のリフレクタ １６…リフレクタ １７…第２のリフレクタ １８…警報発信器 １９…警報受信器 11 ... Position detection unit 12 ... Light emitting part 13 ... Light receiving part 14 ... Arithmetic circuit 15 ... First reflector 16 ... Reflector 17 ... Second reflector 18 ... Alarm transmitter 19 ... Alarm receiver
Claims (1)
架設された同一軌道（２）上に２つのクレーン（Ａ），
（Ｂ）を走行可能に支持し、該２つのクレーン（Ａ），
（Ｂ）が、それぞれの壁面（１−１），（１−２）及び
相手クレーンとの衝突を予測する衝突防止装置におい
て、一方のクレーン（Ａ）に、相手クレーン（Ｂ）に向
けてレーダ波を投射する発信部（１２）及び反射波を受
ける受信部（１３）と、上記発信部（１２）及び受信部
（１３）からの情報に基いて距離を演算する演算回路
（１４）を設け、他方クレーン（Ｂ）には、上記発信部
からのレーダ波を前記受信部（１３）へ直接に反射せし
めるための第１のリフレクタ（１５）及び発信部からの
レーダ波を壁面（１−１）に反射させ、この反射波を受
信部（１３）へ間接反射せしめるための第２のリフレク
タ（１７）を備えたことを特徴とするクレーン用衝突防
止装置。1. Two cranes (A) on the same track (2) installed between a pair of wall surfaces (1-1), (1-2),
(B) is movably supported and the two cranes (A),
(B) is a collision prevention device that predicts a collision with each of the wall surfaces (1-1), (1-2) and the other crane, and in one of the cranes (A), the radar is directed toward the other crane (B). A transmitting unit (12) that projects a wave and a receiving unit (13) that receives a reflected wave, and an arithmetic circuit (14) that calculates a distance based on information from the transmitting unit (12) and the receiving unit (13) are provided. On the other hand, on the crane (B), the first reflector (15) for directly reflecting the radar wave from the transmission section to the reception section (13) and the radar wave from the transmission section on the wall surface (1-1). ) And a second reflector (17) for indirectly reflecting the reflected wave to the receiving section (13), the collision preventing device for a crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3541493A JPH06247688A (en) | 1993-02-24 | 1993-02-24 | Collision preventing device for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3541493A JPH06247688A (en) | 1993-02-24 | 1993-02-24 | Collision preventing device for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06247688A true JPH06247688A (en) | 1994-09-06 |
Family
ID=12441222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3541493A Pending JPH06247688A (en) | 1993-02-24 | 1993-02-24 | Collision preventing device for crane |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06247688A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019142670A (en) * | 2018-02-21 | 2019-08-29 | 中国電力株式会社 | Crane facility |
-
1993
- 1993-02-24 JP JP3541493A patent/JPH06247688A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019142670A (en) * | 2018-02-21 | 2019-08-29 | 中国電力株式会社 | Crane facility |
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