WO2018018744A1 - Soupape de régulation de décharge destiné à un véhicule ferroviaire - Google Patents

Soupape de régulation de décharge destiné à un véhicule ferroviaire Download PDF

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Publication number
WO2018018744A1
WO2018018744A1 PCT/CN2016/100736 CN2016100736W WO2018018744A1 WO 2018018744 A1 WO2018018744 A1 WO 2018018744A1 CN 2016100736 W CN2016100736 W CN 2016100736W WO 2018018744 A1 WO2018018744 A1 WO 2018018744A1
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WO
WIPO (PCT)
Prior art keywords
valve
sandwich
jack
disposed
mitigation
Prior art date
Application number
PCT/CN2016/100736
Other languages
English (en)
Chinese (zh)
Inventor
张�杰
谢磊
吕超
申燕飞
Original Assignee
眉山中车制动科技股份有限公司
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 眉山中车制动科技股份有限公司 filed Critical 眉山中车制动科技股份有限公司
Priority to AU2016291544A priority Critical patent/AU2016291544B2/en
Publication of WO2018018744A1 publication Critical patent/WO2018018744A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/52—Mechanical actuating means with crank, eccentric, or cam

Definitions

  • the invention belongs to the technical field of railway vehicles, and particularly relates to a mitigation regulating valve for railway vehicles.
  • An object of the present invention is to provide a mitigation regulating valve for a railway vehicle capable of changing a braking system mitigation passage diameter and thereby controlling a braking system mitigation time length in response to the above problems.
  • a mitigation regulating valve for a railway vehicle comprising a valve body, wherein the valve body is provided with an air inlet and an air outlet
  • the utility model is characterized in that a top is arranged in the valve body a rod, a valve seat and a sandwich valve, wherein a lower portion of the jack is disposed in the valve seat, an upper portion of the jack is coupled to the jack drive mechanism, and a jack spring is sleeved on the jack, the top
  • the rod spring is located above the valve seat, and the one end of the rod spring abuts against the end surface of the valve seat, the other end of which abuts against the step surface of the jack, and the core valve is disposed at the valve port of the valve seat.
  • a sandwich valve spring is disposed under the sandwich valve, and the air inlet communicates with the chamber A above the sandwich valve through a relief passage A disposed on the valve body, and a retraction passage is disposed in the relief passage A.
  • the air inlet communicates with the chamber B below the sandwich valve through a relief passage B disposed on the valve body, and the chamber A above the sandwich valve communicates with the air outlet, and the top is in a quick relief position.
  • the rod is opened by the plunger driving mechanism, and the inlet port and the chamber A pass through the open valve The port and the constriction are connected. In the slow relief position, the core valve closes the valve port, and the air inlet communicates with the chamber A through the constriction.
  • the ejector driving mechanism comprises an eccentric conversion a shaft
  • the eccentric shifting shaft passes through the valve body
  • two ends of the eccentric shifting shaft are respectively located at two sides of the valve body, and in a rapid relief position, the high position of the eccentric shifting shaft is in contact with the upper end surface of the jack, so that the jack Opening the sandwich valve, in the slow relief position, the lower position of the eccentric shifting shaft is in contact with the upper end surface of the jack, the lower end of the jack is disengaged from the core valve, and the sandwich valve is in the core of the sandwich valve Close the valve port of the valve seat.
  • the mitigation regulating valve for a railway vehicle wherein the eccentric shifting shaft is connected to the valve body through a bushing, and a finite-position boss is provided at one end of the eccentric shifting shaft to cooperate with a corresponding bushing, in the eccentric shifting shaft
  • the other end of the socket is matched with the corresponding sleeve, and the eccentric shifting shaft is only axially rotated and cannot move in the axial direction under the cooperation of the limiting boss and the limiting retaining ring.
  • a mitigation regulating valve for a railway vehicle wherein a bushing is disposed in the valve body and below the valve seat, and the sandwich valve and the sandwich valve spring are disposed in the bushing, and the valve seat is disposed on the valve seat There is a through hole communicating with the mitigation passage A, and a through hole communicating with the mitigation passage B is provided on the bush.
  • the mitigation regulating valve for a railway vehicle is provided with a sealing ring on the ejector pin, between the lower part of the ejector pin and the valve seat, and a seal is arranged on the valve seat, between the valve seat and the valve body ring.
  • the mitigation regulating valve for a railway vehicle has a valve cover disposed at a lower end of the valve body, a sealing ring disposed between the valve body and the valve cover, and a mounting seat disposed at an upper end of the valve body, the mitigation The adjustment valve is connected to the vehicle body through the mount.
  • the air inlet port is connected to a mitigation passage of the vehicle brake system, and the air outlet port is connected to the atmosphere through an air venting portion having a dustproof function.
  • the operation of the ram drive mechanism can be utilized to change the size of the brake system mitigation passage, so that the vehicle brake system has different mitigation time to realize the vehicle in different work.
  • the functions with different mitigation time can meet the corresponding requirements of the vehicle brake system.
  • FIG 1 and 2 are schematic views of the structure of the present invention.
  • 3 and 4 are cross-sectional views of the present invention.
  • the mark is: 1 is the valve body, 2 is the ejector pin, 3 is the valve seat, 4 is the sandwich valve, 5 is the ejector spring, 6 is the valve port, 7 is the sandwich valve spring, 8 is the chamber A, 9
  • 10 is the contraction
  • 11 is the chamber B
  • 12 is the relief passage B
  • 13 is the air inlet
  • 14 is the air outlet
  • 15 is the eccentric shaft
  • 16 is the sleeve
  • 17 is the limit boss 18 is a limit retaining ring
  • 19 is a sealing ring
  • 20 is a valve cover
  • 21 is a mounting seat
  • 22 is an exhaust part
  • 23 is a bushing
  • 24 is a plug.
  • a mitigation regulating valve for a railway vehicle includes a valve body 1, a valve cover 20 is disposed at a lower end of the valve body 1, and a sealing ring 19 is disposed between the valve body 1 and the valve cover 20.
  • the upper end of the valve body 1 is provided with a mounting seat 21, and the mitigation regulating valve is connected to the vehicle body through the mounting seat 21, and the valve body 1 is provided with an air inlet 13 and an air outlet 14, the air inlet 13 is connected to a mitigation passage of the vehicle brake system, and the air outlet 14 is connected to the atmosphere through the ventilating portion 22 having a dustproof function.
  • An air inlet 13 and an air outlet 14 are disposed on the valve body 1.
  • a jack 2 In the valve body 1, a jack 2, a valve seat 3 and a sandwich valve 4 are disposed, and a lower portion of the jack 2 is placed on a valve.
  • an upper portion of the jack 2 In the seat 3, an upper portion of the jack 2 is connected to a jack drive mechanism, and a jack spring 5 is sleeved on the jack 2, the jack spring 5 is located above the valve seat 3, and the jack One end of the spring 5 abuts against the end face of the valve seat 3, the other end of which abuts against the stepped surface of the jack 2, and the sandwich valve 4 is disposed at the valve port 6 of the valve seat 3, below the sandwich valve 4.
  • a sandwich valve spring 7 is provided, which passes through the relief passage A9 and the sandwich valve provided on the valve body 1.
  • the chamber A8 above the fourth chamber is connected, and a retraction passage 10 is provided in the relief passage A9, and the intake port 13 communicates with the chamber B11 below the sandwich valve 4 through the relief passage B12 provided on the valve body 1,
  • the chamber A8 above the sandwich valve 4 is in communication with the air outlet 14, and a bushing 23 is disposed in the valve body 1 below the valve seat 3.
  • the sandwich valve 4 and the sandwich valve spring 7 are disposed on the lining.
  • a through hole communicating with the mitigation passage A9 is provided on the valve seat 3, and a through hole communicating with the mitigation passage B12 is provided on the bushing 23, and the ejector pin is quickly relieved 2, under the action of the jack drive mechanism, the sandwich valve 4 is opened, the air inlet 13 and the chamber A8 are connected through the open valve port 6 and the shrinkage plug 10, in the slow relief position, the core The valve 4 closes the valve port 6, which communicates with the chamber A8 through the constriction 10.
  • the jack driving mechanism comprises an eccentric shifting shaft 15 passing through the valve body 1, and the eccentric shifting shaft 15 is connected to the valve body 1 through the sleeve 16, at one end of the eccentric shifting shaft 15
  • the finite-position boss 17 is disposed to cooperate with the corresponding sleeve 16
  • the other end of the eccentric conversion shaft 15 is sleeved with the limit retaining ring 18 to cooperate with the corresponding sleeve 16
  • the eccentric conversion shaft 15 is at the limit boss 17 Under the cooperation of the position retaining ring 18, only the axial rotation is impossible to move in the axial direction.
  • the two ends of the eccentric conversion shaft 15 are respectively located on both sides of the valve body 1, and the operating mechanism can be externally connected.
  • the upper position of the eccentric conversion shaft 15 is in contact with the upper end surface of the ejector pin 2, so that the ejector pin 2 opens the sandwich valve 4, and in the slow relief position, the lower position of the eccentric conversion shaft 15 is in contact with the upper end surface of the ejector pin 2
  • the lower end of the jack 2 is disengaged from the core valve 4, and the sandwich valve 4 closes the valve port 6 of the valve seat 3 under the action of the sandwich valve spring 7.
  • the working principle of the invention is that the relief valve can be arranged in the braking system to relieve the passage, and can be operated at both ends of the vehicle.
  • the braking system can be changed to ease the passage diameter, thereby setting two kinds of mitigation time.
  • the exhaust time is short; when the eccentric conversion shaft is placed in the slow relief position, the restoring force of the ejector spring acts to move the ejector up, and the sandwich valve is closed to relieve the pressure air coming from the passage through the air inlet ⁇ Shrinkage ⁇ air outlet, discharged to the atmosphere, the passage diameter is small, and the exhaust time is long.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Vehicle Body Suspensions (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Lift Valve (AREA)

Abstract

La présente invention concerne une soupape de régulation de décharge pour un véhicule ferroviaire, comprenant un corps de soupape (1). Une entrée d'air (13) et une sortie d'air (14) sont disposées sur le corps de soupape (1). Une tige d'éjection (2), un siège de soupape (3) et une soupape sandwich (4) sont disposés dans le corps de soupape (1). Une partie inférieure de la tige d'éjection (2) est située dans le siège de soupape (3), et une partie supérieure de la tige d'éjection (2) est reliée à un mécanisme d'entraînement de tige d'éjection. Un ressort de tige d'éjection (5) est gainé sur la tige d'éjection (2). La soupape sandwich (4) est disposée au niveau d'un orifice de soupape (6) du siège de soupape (3). Un ressort de soupape sandwich (7) est disposé sous la soupape sandwich (4). Dans une position de libération rapide, la soupape sandwich (4) met en communication une chambre A (8) avec une chambre B (11) dans un mode à faible flux. En fournissant la soupape de régulation de décharge au niveau d'un passage de décharge d'un système de freinage de véhicule, le calibre du passage de décharge du système de freinage peut être modifié au moyen du mécanisme d'entraînement de la tige d'éjection, de telle sorte que le système de freinage du véhicule présente des durées de libération différentes, que le véhicule ait pour fonction d'avoir des durées de libération différentes dans différentes conditions de fonctionnement, et ainsi que les exigences correspondantes pour le système de freinage du véhicule soient satisfaites.
PCT/CN2016/100736 2016-07-27 2016-09-29 Soupape de régulation de décharge destiné à un véhicule ferroviaire WO2018018744A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2016291544A AU2016291544B2 (en) 2016-07-27 2016-09-29 Release adjusting valve for rolling stocks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610597882.3 2016-07-27
CN201610597882.3A CN106051213B (zh) 2016-07-27 2016-07-27 一种铁路车辆用缓解调整阀

Publications (1)

Publication Number Publication Date
WO2018018744A1 true WO2018018744A1 (fr) 2018-02-01

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PCT/CN2016/100736 WO2018018744A1 (fr) 2016-07-27 2016-09-29 Soupape de régulation de décharge destiné à un véhicule ferroviaire

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CN (1) CN106051213B (fr)
AU (1) AU2016291544B2 (fr)
WO (1) WO2018018744A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110614985B (zh) * 2019-09-26 2020-12-11 中车株洲电力机车有限公司 一种制动缓解控制方法及装置
CN113803312B (zh) * 2021-09-24 2022-04-29 眉山中车制动科技股份有限公司 转换装置、制动系统及列车

Citations (6)

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US4917148A (en) * 1987-12-29 1990-04-17 Nippon Air Brake Co., Ltd. Load dependent valve for railway vehicles
US20070215219A1 (en) * 2006-03-17 2007-09-20 Wabtec Holding Corporation Variable load valve with test point
CN201970991U (zh) * 2011-04-14 2011-09-14 北京南车时代机车车辆机械有限公司 一种空气控制阀及空气制动机
CN102431541A (zh) * 2011-11-17 2012-05-02 四川制动科技股份有限公司 一种防脱轨紧急阀
CN102923118A (zh) * 2012-11-22 2013-02-13 四川制动科技股份有限公司 一种机车分配阀及其工作方法
CN205841852U (zh) * 2016-07-27 2016-12-28 眉山中车制动科技股份有限公司 一种铁路车辆用缓解调整阀

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JPS5228194B2 (fr) * 1973-12-06 1977-07-25
DE3127775A1 (de) * 1981-07-14 1983-02-03 Knorr-Bremse GmbH, 8000 München "betriebsbremsbeschleuniger fuer schienenfahrzeug-druckluftbremsanlagen"
JPS6162676A (ja) * 1985-08-06 1986-03-31 Nippon Air Brake Co Ltd 鉄道車両用ブレ−キ弁
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JP4081861B2 (ja) * 1998-07-02 2008-04-30 Ｓｍｃ株式会社 流体圧機器用手動給排切換弁
CN103270355B (zh) * 2010-09-24 2015-11-25 瓦博泰克控股公司 铁路控制阀
CN202381759U (zh) * 2011-11-16 2012-08-15 四川制动科技股份有限公司 一种压力控制阀
CN103511647B (zh) * 2012-06-20 2016-08-03 中车大同电力机车有限公司 手压阀
CN104405712B (zh) * 2014-11-26 2016-08-24 眉山中车制动科技股份有限公司 一种客货转换阀
CN104482245B (zh) * 2014-12-09 2016-08-17 眉山中车制动科技股份有限公司 一种铁路制动阀用快普转换机构

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4917148A (en) * 1987-12-29 1990-04-17 Nippon Air Brake Co., Ltd. Load dependent valve for railway vehicles
US20070215219A1 (en) * 2006-03-17 2007-09-20 Wabtec Holding Corporation Variable load valve with test point
CN201970991U (zh) * 2011-04-14 2011-09-14 北京南车时代机车车辆机械有限公司 一种空气控制阀及空气制动机
CN102431541A (zh) * 2011-11-17 2012-05-02 四川制动科技股份有限公司 一种防脱轨紧急阀
CN102923118A (zh) * 2012-11-22 2013-02-13 四川制动科技股份有限公司 一种机车分配阀及其工作方法
CN205841852U (zh) * 2016-07-27 2016-12-28 眉山中车制动科技股份有限公司 一种铁路车辆用缓解调整阀

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Publication number Publication date
CN106051213B (zh) 2018-01-30
AU2016291544A1 (en) 2018-02-15
AU2016291544B2 (en) 2019-06-06
CN106051213A (zh) 2016-10-26

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