JPS5517706A - Valve - Google Patents

Valve

Info

Publication number
JPS5517706A
JPS5517706A JP8793078A JP8793078A JPS5517706A JP S5517706 A JPS5517706 A JP S5517706A JP 8793078 A JP8793078 A JP 8793078A JP 8793078 A JP8793078 A JP 8793078A JP S5517706 A JPS5517706 A JP S5517706A
Authority
JP
Japan
Prior art keywords
valve
chamber
rolling stock
detecting
wheels
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
JP8793078A
Other languages
Japanese (ja)
Inventor
Takayuki Ando
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 Ltd
Original Assignee
Tokico 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 Tokico Ltd filed Critical Tokico Ltd
Priority to JP8793078A priority Critical patent/JPS5517706A/en
Publication of JPS5517706A publication Critical patent/JPS5517706A/en
Pending legal-status Critical Current

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  • Safety Valves (AREA)

Abstract

PURPOSE: To operate a braking mechanism for a rolling stock and stop the latter automatically upon derailment by detecting a vibration imposed to the rolling stock due to accelerations in up-and-down directions and opening a valve.
CONSTITUTION: An acceleration detecting chamber A, a pilot valve chamber B and a main valve chamber C are provided in a main body 1. A vibration detectable member 5 is fixed to a valve member 7 in the chamber B at a predetermined distance from a vibratable member 2 in the detecting chamber A. A valve member 14 consisting of a weight member is provided in the amin valve chamber C and pressing force thereof against a valve seat 13 is set at a predetermined value by a resilient force of a spring 17. The chamber B is provided with an aperture 9 through which compressed air from a control valve for a rolling stock is supplied. When wheels are derailed and up-and-down accelerations are produced in the rolling stock, a vibrating body 3 is vibrated and the detecting member 5 is moved upwardly, and thereby, the valve member 14 is also pushed upwardly which discharges air, supplied to the aperture 9, through an aperture 19 to operate braking mechanisms for the wheels, and consequently, the wheels are stopped automatically.
COPYRIGHT: (C)1980,JPO&Japio
JP8793078A 1978-07-19 1978-07-19 Valve Pending JPS5517706A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8793078A JPS5517706A (en) 1978-07-19 1978-07-19 Valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8793078A JPS5517706A (en) 1978-07-19 1978-07-19 Valve

Publications (1)

Publication Number Publication Date
JPS5517706A true JPS5517706A (en) 1980-02-07

Family

ID=13928623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8793078A Pending JPS5517706A (en) 1978-07-19 1978-07-19 Valve

Country Status (1)

Country Link
JP (1) JPS5517706A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS588550U (en) * 1981-07-11 1983-01-20 オムロン株式会社 Machining start point detection device for machine tools
JPS5842050U (en) * 1981-09-17 1983-03-19 三菱重工業株式会社 Paper feed timing adjustment device
JPS59126638U (en) * 1983-02-14 1984-08-25 リョービ株式会社 Adjustment gear switching mechanism of image vertical adjustment device in offset printing press
JPS63838U (en) * 1986-06-23 1988-01-06
CN109484432A (en) * 2018-12-21 2019-03-19 北京麦斯泰克科技有限公司 A kind of electronics merges the derailing detection device of triggering with mechanical sensitivity device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS588550U (en) * 1981-07-11 1983-01-20 オムロン株式会社 Machining start point detection device for machine tools
JPS5842050U (en) * 1981-09-17 1983-03-19 三菱重工業株式会社 Paper feed timing adjustment device
JPS59126638U (en) * 1983-02-14 1984-08-25 リョービ株式会社 Adjustment gear switching mechanism of image vertical adjustment device in offset printing press
JPS63838U (en) * 1986-06-23 1988-01-06
CN109484432A (en) * 2018-12-21 2019-03-19 北京麦斯泰克科技有限公司 A kind of electronics merges the derailing detection device of triggering with mechanical sensitivity device
CN109484432B (en) * 2018-12-21 2021-01-22 北京麦斯泰克科技有限公司 Derailing detection device triggered by fusion of electronic and mechanical sensors

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