JPS6033596U - Boom proximity warning device - Google Patents

Boom proximity warning device

Info

Publication number
JPS6033596U
JPS6033596U JP12441783U JP12441783U JPS6033596U JP S6033596 U JPS6033596 U JP S6033596U JP 12441783 U JP12441783 U JP 12441783U JP 12441783 U JP12441783 U JP 12441783U JP S6033596 U JPS6033596 U JP S6033596U
Authority
JP
Japan
Prior art keywords
boom
laser beam
warning device
proximity warning
alarm
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
Application number
JP12441783U
Other languages
Japanese (ja)
Inventor
健樹 藤田
敏 野崎
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP12441783U priority Critical patent/JPS6033596U/en
Publication of JPS6033596U publication Critical patent/JPS6033596U/en
Pending legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は建物の建築用のクレーンの作業状態を示す側面
図、第２図は建物の建築用のクレーンに適用した本考案
の一実施例を示すものであって、レーザ光線発信器とレ
ーザ光線受信器の取付位置とレーザ光線の発射状態を示
す図、第３図はレーザ光線が遮断された時に、警報を発
する回路とブームの傾倒動作を停止させる手段の一例を
示すブロック図である。 １・・・クレーン本体、３・・・ブーム、７・・・レー
ザ光線発信器、８・・・レーザ光線受信器、９・・・レ
ーザ光線、１１・・・レーザ光線が遮断された時に閉じ
るスイッチ、１２・・・レーザ光線が遮断された時に警
報を発するブザー、１３・・・レーザ光線が遮断された
時にブームの傾倒動作を停止させる電磁弁。Fig. 1 is a side view showing the working state of a crane for building construction, and Fig. 2 shows an embodiment of the present invention applied to a crane for building construction. FIG. 3 is a block diagram showing an example of a circuit for issuing an alarm and a means for stopping the tilting operation of the boom when the laser beam is interrupted. 1... Crane body, 3... Boom, 7... Laser beam transmitter, 8... Laser beam receiver, 9... Laser beam, 11... Closes when the laser beam is interrupted. Switch, 12... A buzzer that issues an alarm when the laser beam is interrupted, 13... A solenoid valve that stops the tilting operation of the boom when the laser beam is interrupted.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 起伏するブームを備えたクレーンにおいて、前記ブーム
の基部と先端部に、レーザ光線発信器とレーザ光線受信
器を設け、前記レーザ光線受信器を、レーザ光線が遮断
された時に警報を発する回路とブームの傾倒動作を停止
させる手段に接続したことを特徴とするブームの接近警
告装置。A crane equipped with a boom that rises and falls, wherein a laser beam transmitter and a laser beam receiver are provided at the base and tip of the boom, and the laser beam receiver is connected to a circuit that issues an alarm when the laser beam is cut off and the boom. A boom approach warning device, characterized in that it is connected to means for stopping the tilting operation of the boom.
JP12441783U 1983-08-12 1983-08-12 Boom proximity warning device Pending JPS6033596U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12441783U JPS6033596U (en) 1983-08-12 1983-08-12 Boom proximity warning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12441783U JPS6033596U (en) 1983-08-12 1983-08-12 Boom proximity warning device

Publications (1)

Publication Number Publication Date
JPS6033596U true JPS6033596U (en) 1985-03-07

Family

ID=30283631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12441783U Pending JPS6033596U (en) 1983-08-12 1983-08-12 Boom proximity warning device

Country Status (1)

Country Link
JP (1) JPS6033596U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6372089A (en) * 1986-09-12 1988-04-01 株式会社日立ホームテック Radio frequency heater
JP2010089865A (en) * 2008-10-06 2010-04-22 Taisei Corp Intrusion detection device and area setting method of laser barrier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6372089A (en) * 1986-09-12 1988-04-01 株式会社日立ホームテック Radio frequency heater
JP2010089865A (en) * 2008-10-06 2010-04-22 Taisei Corp Intrusion detection device and area setting method of laser barrier

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