JPS6085359U - Swing brake for construction machinery - Google Patents

Swing brake for construction machinery

Info

Publication number
JPS6085359U
JPS6085359U JP17411083U JP17411083U JPS6085359U JP S6085359 U JPS6085359 U JP S6085359U JP 17411083 U JP17411083 U JP 17411083U JP 17411083 U JP17411083 U JP 17411083U JP S6085359 U JPS6085359 U JP S6085359U
Authority
JP
Japan
Prior art keywords
swing brake
construction machinery
rotating body
upper rotating
rotational speed
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
JP17411083U
Other languages
Japanese (ja)
Inventor
賢治 原
Original Assignee
石川島播磨重工業株式会社
石川島建機株式会社
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 石川島播磨重工業株式会社, 石川島建機株式会社 filed Critical 石川島播磨重工業株式会社
Priority to JP17411083U priority Critical patent/JPS6085359U/en
Publication of JPS6085359U publication Critical patent/JPS6085359U/en
Pending legal-status Critical Current

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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図および第２図は本考案の第１実施例を示すもので
、第１図は旋回ブレーキを作動させる油圧回路の回路図
、第２図は旋回ブレーキの動作特性の説明図、第３図は
本考案の第２実施例に係る旋回ブレーキを作動させる油
圧回路の回路図であ゛る。 １・・・・・・油圧モータ、２・・・・・・駆動軸、５
・・・・・・供給配管、７・・・・・・戻り配管、８・
・・・・・切換弁、９Ａ・・・・・・油圧配管、９Ｂ・
・・・・・油圧配管、１０・・・・・・流量計、１１・
・・・・・旋回ブレーキ、１２・・・・・・ネガティブ
シリンダー、１３・・・・・・ポジティブシリンダー、
１４・・・・・・切換弁、１５・・・・・・解放配管、
１６Ａ・・・・・・油圧配管、１６Ｂ・・・・・・油圧
配管。1 and 2 show a first embodiment of the present invention, in which FIG. 1 is a circuit diagram of a hydraulic circuit that operates a swing brake, FIG. 2 is an explanatory diagram of operating characteristics of the swing brake, and FIG. The figure is a circuit diagram of a hydraulic circuit for operating a swing brake according to a second embodiment of the present invention. 1... Hydraulic motor, 2... Drive shaft, 5
...... Supply piping, 7... Return piping, 8.
...Switching valve, 9A...Hydraulic piping, 9B.
...Hydraulic piping, 10...Flowmeter, 11.
... Swing brake, 12 ... Negative cylinder, 13 ... Positive cylinder,
14...Switching valve, 15...Release piping,
16A...Hydraulic piping, 16B...Hydraulic piping.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 建設機械の上部旋回体の駆動系に、該上部旋回体の回転
速度を検出するセンサを設け、前記上部旋回体を制動す
る旋回ブレーキの油圧配管に、前記センサが回転速度の
低下を検出したときに作動して旋回ブレーキの制動力を
緩める切換弁を設けたことを特徴とする建設機械の旋回
ブレーキ。A sensor for detecting the rotational speed of the upper rotating body is provided in the drive system of the upper rotating body of the construction machine, and when the sensor detects a decrease in the rotational speed in the hydraulic piping of the swing brake that brakes the upper rotating body. A swing brake for construction machinery, characterized by being provided with a switching valve that is activated to loosen the braking force of the swing brake.
JP17411083U 1983-11-10 1983-11-10 Swing brake for construction machinery Pending JPS6085359U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17411083U JPS6085359U (en) 1983-11-10 1983-11-10 Swing brake for construction machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17411083U JPS6085359U (en) 1983-11-10 1983-11-10 Swing brake for construction machinery

Publications (1)

Publication Number Publication Date
JPS6085359U true JPS6085359U (en) 1985-06-12

Family

ID=30379124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17411083U Pending JPS6085359U (en) 1983-11-10 1983-11-10 Swing brake for construction machinery

Country Status (1)

Country Link
JP (1) JPS6085359U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010247965A (en) * 2009-04-17 2010-11-04 Kobe Steel Ltd Braking control apparatus for slewing type working machine
JP2017024825A (en) * 2015-07-17 2017-02-02 コベルコ建機株式会社 Mobile crane

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010247965A (en) * 2009-04-17 2010-11-04 Kobe Steel Ltd Braking control apparatus for slewing type working machine
JP2017024825A (en) * 2015-07-17 2017-02-02 コベルコ建機株式会社 Mobile crane

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