JPH075102Y2 - Item grip confirmation device - Google Patents

Item grip confirmation device

Info

Publication number
JPH075102Y2
JPH075102Y2 JP1988054732U JP5473288U JPH075102Y2 JP H075102 Y2 JPH075102 Y2 JP H075102Y2 JP 1988054732 U JP1988054732 U JP 1988054732U JP 5473288 U JP5473288 U JP 5473288U JP H075102 Y2 JPH075102 Y2 JP H075102Y2
Authority
JP
Japan
Prior art keywords
article
confirmation device
proximity switch
gripped
photoelectric switch
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.)
Expired - Lifetime
Application number
JP1988054732U
Other languages
Japanese (ja)
Other versions
JPH01159692U (en
Inventor
保 塩飽
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.)
Murata Machinery Ltd
Original Assignee
Murata Machinery Ltd
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 Murata Machinery Ltd filed Critical Murata Machinery Ltd
Priority to JP1988054732U priority Critical patent/JPH075102Y2/en
Publication of JPH01159692U publication Critical patent/JPH01159692U/ja
Application granted granted Critical
Publication of JPH075102Y2 publication Critical patent/JPH075102Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Load-Engaging Elements For Cranes (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Control And Safety Of Cranes (AREA)

Description

【考案の詳細な説明】 〔産業上の利用分野〕 本考案は天井自走車等に具えられる物品把持確認装置に
関する。
[Detailed Description of the Invention] [Industrial field of application] The present invention relates to an article gripping confirmation device provided in a ceiling self-propelled vehicle or the like.

〔従来の技術〕[Conventional technology]

従来、天井自走車がバケット状の物品を搬送する際に、
前記物品を確実に把持しているかどうか確認する装置と
して光電スイッチを設けたものが知られている。すなわ
ち、物品を把持すると、該物品が上記光電スイッチの光
軸を遮ることで物品の有無を検知していた。
Conventionally, when a ceiling self-propelled vehicle conveys bucket-shaped articles,
A device provided with a photoelectric switch is known as a device for confirming whether or not the article is securely gripped. That is, when an article is gripped, the article intercepts the optical axis of the photoelectric switch to detect the presence or absence of the article.

〔考案が解決しようとする課題〕[Problems to be solved by the device]

ところが、上記のようなタイプにおいては物品以外の何
らかの物が光電スイッチの光軸を遮断していても物品把
持と判断してしまったり、昇降枠と物品がうまく係合し
ていないのに光軸を遮断しているだけで物品を持ち上
げ、その結果落下させたりするという不都合が生じてい
た。
However, in the above type, even if something other than the article blocks the optical axis of the photoelectric switch, it will be judged as holding the article, or the optical axis will not be properly engaged with the elevating frame. However, there is a problem that the article is lifted just by shutting off the door, and as a result, the article is dropped.

〔課題を解決するための手段〕[Means for Solving the Problems]

上記課題を解決するために本考案は物品確認装置とし
て、物品のフランジ部を下方から支持するチェック部
に、該チェック部によって把持された物品を検出する光
電スイッチと、物品のフランジ部の下面に当接すること
によって作動する近接スイッチとを設けた。
In order to solve the above problems, the present invention provides, as an article confirmation device, a check section that supports a flange section of an article from below, a photoelectric switch that detects the article gripped by the check section, and a lower surface of the flange section of the article. A proximity switch that operates by contact is provided.

〔実施例〕 以下、図面に基づいて実施例を説明する。[Examples] Examples will be described below with reference to the drawings.

第1図は天井走行車(1)の略全体図であり、天井
(2)に吊持具(3)を介してガイドレール(4)が設
けられ、該ガイドレール(4)に沿って走行車(21)が
移動自在に吊持され、該走行車(21)には昇降枠(5)
が設けられており、該昇降枠(5)は吊持ベルト
(6)、巻取りドラム(7)からなる昇降機(8)によ
って昇降自在となっている。
FIG. 1 is a schematic overall view of an overhead traveling vehicle (1) in which a guide rail (4) is provided on a ceiling (2) via a lifting tool (3), and travels along the guide rail (4). A vehicle (21) is movably suspended, and a lifting frame (5) is attached to the traveling vehicle (21).
Is provided, and the elevating frame (5) can be moved up and down by an elevating machine (8) including a suspension belt (6) and a winding drum (7).

前記昇降枠(5)の左右部各々には、前記1対のガイド
ロッド(9)が設けられ、該ガイドロッド(9)に沿っ
てハンド取付部材(10)が移動自在に設けられている。
ハンド取付部材(10)は左右一対設けられていて、上記
ハンド取付部材(10)各々に同心のねじ孔(11)が形成
され、該ねじ孔(11)にねじ軸(12)がねじ嵌められ、
該ねじ軸(12)を傘歯車(図示略)を介してモーター
(13)によって回転させることで、一対のハンド取付部
材(10)を接近離反させるようになしている。
The pair of guide rods (9) are provided on each of the left and right portions of the elevating frame (5), and the hand attachment member (10) is movably provided along the guide rods (9).
A pair of left and right hand attaching members (10) are provided, and concentric screw holes (11) are formed in each of the hand attaching members (10), and a screw shaft (12) is screwed into the screw holes (11). ,
By rotating the screw shaft (12) by a motor (13) via a bevel gear (not shown), the pair of hand attachment members (10) are moved toward and away from each other.

前記ハンド取付部材(10)各々にはハンド部(14)が吊
設されており、該ハンド部(14)の前後部のチャック部
(15)に先端がテーパー状となったピン(16)が立設さ
れている。該ピン(16)は搬送するバケット状の物品
(W)の左右一対に設けられているフランジ部(17)に
形成された貫通孔(18)に係合するようになっている。
A hand part (14) is hung on each of the hand attaching members (10), and a pin (16) having a tapered tip is provided on a chuck part (15) at the front and rear parts of the hand part (14). It is erected. The pin (16) is adapted to engage with a through hole (18) formed in a pair of left and right flange portions (17) of a bucket-shaped article (W) to be conveyed.

上記チャック部(15)には以下説明するように光電スイ
ッチ(19)と近接スイッチ(20)が設けられている。す
なわち、光電スィッチ(19)はチャック部(15)下方に
おいて水平に設けられ、左右に投光機と受光機と一対に
前後2つ設けられており、通常は光軸(A)が投光機か
ら受光機に通り、物品(W)把持時には光軸(A)が物
品(W)によって遮られるようになっている。近接スイ
ッチ(20)はチャック部(15)のピン(16)側方におい
て垂直に設けられ、その上端の検出面は把持する物品
(W)のフランジ部(17)が当接するようになしてあ
る。すなわち、ピン(16)が確実に物品(W)の孔(1
8)に嵌入しているかどうかをその側方に設けた近接ス
イッチ(20)が物品(W)のフランジ部(17)と当接す
ることで判断するのである。
The chuck section (15) is provided with a photoelectric switch (19) and a proximity switch (20) as described below. That is, the photoelectric switch (19) is horizontally provided below the chuck portion (15), and a projector and a receiver are provided on the left and right, two front and rear, and the optical axis (A) is usually the projector. The optical axis (A) is blocked by the article (W) when the article (W) is gripped. The proximity switch (20) is provided vertically on the side of the pin (16) of the chuck part (15), and the detection surface at the upper end thereof is in contact with the flange part (17) of the article (W) to be gripped. . That is, the pin (16) surely makes sure that the hole (1) of the article (W) is
Whether or not it is fitted in 8) is judged by the proximity switch (20) provided on the side thereof contacting the flange portion (17) of the article (W).

以上のような構成から本実施例の装置は以下の如き動作
をする。
With the above configuration, the device of this embodiment operates as follows.

走行車(21)が物品(W)の上方まで移動して、上方で
停止すると昇降枠(5)はハンド部(14)を最外側に移
動させた状態で、物品(W)のフランジ部(17)下面よ
り下方にピン(16)上端を位置させる位置まで下降す
る。次いでハンド取付部材(10)は相互に接近するよう
に中央に向って移動して、ピン(16)を孔(18)の直下
位置で停止する。その後、昇降枠(5)が上昇するとピ
ン(16)が孔(18)内に嵌入し、物品(W)が落下しな
いようにチャック部(15)によってフランジ部(17)を
支承し、物品(W)を把持する。そして若干物品(W)
を持ち上げた後、光電スイッチ(19)が2つ共に光軸
(A)を遮られていることと、かつ近接スイッチ(20)
が全てフランジ部(17)を検出していることを確認して
から、昇降枠(5)は最上位置まで上昇し、走行車(2
1)による物品搬送が開始される。上記光電スイッチ(1
9)、近接スイッチ(20)による物品(W)の有無を確
認するために若干物品(W)を持ち上げる高さは万一物
品(W)が落下しても危険ではない高さに予め設定され
ている。走行車(21)は物品(W)を降す位置まで来る
と前述の逆の動作で物品(W)を所定位置に降す。その
後昇降枠(5)を光電スイッチ(19)の光軸(A)が物
品(W)上面より若干高い位置になるまで上昇させて
後、光電スイッチ(19)が2つ共光軸(A)が投光機か
ら受光機へ遮られずに通過し、近接スイッチ(20)が全
て何も検出していない事を確認してから、最上位置まで
上昇し、物品(W)の把持搬送が完了する。
When the traveling vehicle (21) moves to a position above the article (W) and stops there, the lifting frame (5) moves the hand part (14) to the outermost side, and the flange part ( 17) Lower to the position where the upper end of the pin (16) is located below the lower surface. Next, the hand attachment members (10) move toward the center so as to approach each other, and stop the pin (16) at a position directly below the hole (18). After that, when the elevating frame (5) rises, the pin (16) fits into the hole (18), and the flange (17) is supported by the chuck (15) so that the article (W) does not fall, and the article ( Hold W). And some goods (W)
After lifting up, the two optical switches (19) are blocked from the optical axis (A), and the proximity switch (20)
After confirming that all the flanges (17) have been detected, the lifting frame (5) rises to the uppermost position and the traveling vehicle (2
Article transportation according to 1) is started. Above photoelectric switch (1
9), the height at which the article (W) is slightly lifted to confirm the presence or absence of the article (W) by the proximity switch (20) is preset to a height that is not dangerous even if the article (W) falls. ing. When the traveling vehicle (21) reaches the position where the article (W) is to be dropped, the traveling vehicle (21) drops the article (W) to a predetermined position by the reverse operation described above. After that, the elevating frame (5) is raised until the optical axis (A) of the photoelectric switch (19) is positioned slightly higher than the upper surface of the article (W), and then the two photoelectric switches (19) are used together with the optical axis (A). Is passed from the projector to the receiver unobstructed, and after confirming that the proximity switch (20) has not detected anything at all, it moves up to the uppermost position, and the gripping and conveying of the article (W) is completed. To do.

〔考案の効果〕[Effect of device]

以上の説明で明らかなように本考案に係る物品把持確認
装置によれば、チェック部で把持した物品を検出する光
電スイッチに加えて、物品の把持状態を検出する近接ス
イッチとを設けたので、物品の把持を確実に判断するこ
とが出来、落下等の危険が絶無となる。
As apparent from the above description, according to the article gripping confirmation device of the present invention, in addition to the photoelectric switch that detects the article gripped by the check unit, the proximity switch that detects the gripped state of the article is provided. It is possible to reliably judge the grip of an article, and there is no danger of dropping.

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

第1図は本考案に係る物品把持確認装置を具えた天井自
走車の略全体側面図、第2図は物品把持確認装置の要部
を拡大した平面図、第3図は同正面図である。 (5)……昇降枠 (16)……ピン (17)……フランジ部 (18)……孔 (20)……検出手段(近接スイッチ) (W)……物品
FIG. 1 is a schematic side view of an overhead self-propelled vehicle equipped with an article gripping confirmation device according to the present invention, FIG. 2 is an enlarged plan view of a main part of the article gripping confirmation device, and FIG. 3 is a front view thereof. is there. (5) …… Lifting frame (16) …… Pin (17) …… Flange (18) …… Hole (20) …… Detection means (proximity switch) (W) …… Article

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】物品のフランジ部を下方から支持するチェ
ック部に、該チェック部によって把持された物品を検出
する光電スイッチと、物品のフランジ部の下面に当接す
ることによって作動する近接スイッチとを設けたことを
特徴とする物品把持確認装置。
1. A check part for supporting a flange part of an article from below, a photoelectric switch for detecting an article gripped by the check part, and a proximity switch which operates by abutting on a lower surface of the flange part of the article. An article gripping confirmation device characterized by being provided.
JP1988054732U 1988-04-23 1988-04-23 Item grip confirmation device Expired - Lifetime JPH075102Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988054732U JPH075102Y2 (en) 1988-04-23 1988-04-23 Item grip confirmation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988054732U JPH075102Y2 (en) 1988-04-23 1988-04-23 Item grip confirmation device

Publications (2)

Publication Number Publication Date
JPH01159692U JPH01159692U (en) 1989-11-06
JPH075102Y2 true JPH075102Y2 (en) 1995-02-08

Family

ID=31280647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988054732U Expired - Lifetime JPH075102Y2 (en) 1988-04-23 1988-04-23 Item grip confirmation device

Country Status (1)

Country Link
JP (1) JPH075102Y2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6067386A (en) * 1983-09-21 1985-04-17 川崎重工業株式会社 Cargo gear for tubular article

Also Published As

Publication number Publication date
JPH01159692U (en) 1989-11-06

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