JPS5830675U - Differential limit device - Google Patents

Differential limit device

Info

Publication number
JPS5830675U
JPS5830675U JP12689781U JP12689781U JPS5830675U JP S5830675 U JPS5830675 U JP S5830675U JP 12689781 U JP12689781 U JP 12689781U JP 12689781 U JP12689781 U JP 12689781U JP S5830675 U JPS5830675 U JP S5830675U
Authority
JP
Japan
Prior art keywords
screw rod
moving body
differential
rotation
rotating boss
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
JP12689781U
Other languages
Japanese (ja)
Inventor
吉竹　稔
新阜　輝一
Original Assignee
日立機電工業株式会社
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 日立機電工業株式会社 filed Critical 日立機電工業株式会社
Priority to JP12689781U priority Critical patent/JPS5830675U/en
Publication of JPS5830675U publication Critical patent/JPS5830675U/en
Pending legal-status Critical Current

Links

Landscapes

  • Control And Safety Of Cranes (AREA)
  • Transmission Devices (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 the drawing]

第１図は概略説明図、第２図は要部の縦断正面図、第３
図は第２図の矢視による断面図、第４図は公知の説明図
である。 １・・・支持ドラム、２・・・開閉ドラム、３．６・・
・スプロケットホイール、４，７・・・ギヤー、５・・
・チェノ、８・・・ケーシング、９・・・スクリューロ
ッド、１０、　１１．　１３・・・軸受、１２・・・回
転ボス、１４゜１７・・・移動体、１５・・・ガイドロ
ッド、１６．１８・・・ストライカ、ＳＷ工〜ＳＷ４・
ＳＷ・・・リミットスイッチ。Figure 1 is a schematic explanatory diagram, Figure 2 is a longitudinal sectional front view of the main part, and Figure 3 is a schematic explanatory diagram.
The figure is a sectional view taken in the direction of the arrows in FIG. 2, and FIG. 4 is a known explanatory view. 1...Support drum, 2...Opening/closing drum, 3.6...
・Sprocket wheel, 4, 7...gear, 5...
・Cheno, 8...Casing, 9...Screw rod, 10, 11. 13... Bearing, 12... Rotating boss, 14° 17... Moving body, 15... Guide rod, 16.18... Striker, SW work ~ SW4.
SW...Limit switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 支持ドラムの回転を伝達されるようにしてスクリューロ
ッドをケーシング内に支持し、このスクリューロッドの
他端を開閉ドラムの回転を伝達され乞ようになした回転
ボスにて支持し、このスクリューロッドにクレーンの上
下限及び中間位置を検知するリミットスイッチ操作用の
ストライカを具備した移動体と、差動検出用リミットス
イッチ操作用のストライカを具備した移動体とを螺合し
且つこの差動検出用の移動体の一部に回転ボスに突設し
たフォークを貫通しスクリューロッド、回転ボスの両者
間に回転差が生じた時該差動検出用の移動体をスクリュ
ーロッドにそって移動させるその差動を検出するように
なした差動リミット装置。A screw rod is supported in the casing so that the rotation of the support drum is transmitted to it, and the other end of this screw rod is supported by a rotating boss that is configured to transmit the rotation of the opening/closing drum. A moving body equipped with a striker for operating a limit switch that detects the upper and lower limits and intermediate positions of the crane is screwed together with a moving body equipped with a striker for operating a limit switch for differential detection, and A differential that passes through a fork protruding from a rotating boss on a part of the moving body and moves the moving body for differential detection along the screw rod when a rotation difference occurs between the screw rod and the rotating boss. A differential limit device designed to detect
JP12689781U 1981-08-26 1981-08-26 Differential limit device Pending JPS5830675U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12689781U JPS5830675U (en) 1981-08-26 1981-08-26 Differential limit device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12689781U JPS5830675U (en) 1981-08-26 1981-08-26 Differential limit device

Publications (1)

Publication Number Publication Date
JPS5830675U true JPS5830675U (en) 1983-02-28

Family

ID=29920657

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12689781U Pending JPS5830675U (en) 1981-08-26 1981-08-26 Differential limit device

Country Status (1)

Country Link
JP (1) JPS5830675U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01100752U (en) * 1987-12-16 1989-07-06
JPH01100751U (en) * 1987-12-16 1989-07-06

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01100752U (en) * 1987-12-16 1989-07-06
JPH01100751U (en) * 1987-12-16 1989-07-06

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