CN104405712A - Passenger and freight change-over valve - Google Patents
Passenger and freight change-over valve Download PDFInfo
- Publication number
- CN104405712A CN104405712A CN201410686796.0A CN201410686796A CN104405712A CN 104405712 A CN104405712 A CN 104405712A CN 201410686796 A CN201410686796 A CN 201410686796A CN 104405712 A CN104405712 A CN 104405712A
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- valve
- chamber
- exhaust
- inflation
- passenger
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a passenger and freight change-over valve. The passenger and freight change-over valve comprises a valve body and a valve deck, wherein a switching mechanism, an exhaust change-over valve, a charging change-over valve, a two-stage control valve and an exhaust part are arranged in the valve body; the inner cavity of the valve body are divided into five cavities A, B, C, D and E; the cavity A is connected with a control valve to brake cylinder charging channel, the cavity B is communicated with the braking cylinder, the cavity C is communicated with a train pipe, the cavity D is connected with a braking cylinder exhaust channel, and the cavity E leads to atmosphere. The passenger and freight change-over valve is connected with the control valve by use of a flange, the braking cylinder remitted exhaust channel is introduced into the change-over valve for flow control, and meanwhile, the two-stage control valve is arranged to perform flow control the braking cylinder charging channel in the control valve; besides, the switching mechanism is adopted to close or open the corresponding change-over valves to realize switching of a car between a passenger car position and a freight car position, and therefore, different time of charging, remitting and braking can be obtained to meet the requirements of application under different working conditions.
Description
Technical field
The invention belongs to rolling stock technology field, particularly the passenger-cargo changing valve of one.
Background technique
Must hang together with existing size passenger/cargo for the quick lorry of current 160km/h, the usage requirement that effect propety mates with existing size passenger/cargo, existing passenger-cargo changing valve cannot directly apply on it, and existing passenger-cargo changing valve complex structure, level of integration is poor, can not the recent technological advances demand of suitable solution valve.
Summary of the invention
The object of the invention is to: for above-mentioned Problems existing, provide a kind of and according to the operation demand of different operating mode, passenger-cargo changing valve of different inflations, alleviation, period of braking can be obtained.
Technological scheme of the present invention is achieved in that a kind of passenger-cargo changing valve, comprise valve body and valve gap, it is characterized in that: in described valve body, be provided with switching mechanism, exhaust changeover valve, inflation changing valve, two-stage control valve and exhaust portion, A is divided in described valve body, B, C, D, E five chambers, its middle chamber A connection control valve is to master cylinder gas fill port, chamber B leads to master cylinder, cavity C leads to train pipe, chamber D connects brake cylinder exhaust path, chamber E leads to air, chamber D and chamber E separates by described exhaust changeover valve in off position completely, and in open mode by chamber D and chamber E conducting, chamber A and chamber B separates by described inflation changing valve in off position completely, and in open mode by chamber A and chamber B conducting, described switching mechanism is for controlling the opening and closing of exhaust changeover valve and inflation changing valve, described chamber D is communicated with by contracting is stifled with chamber E,
When passenger vehicle position, described exhaust changeover valve and inflation changing valve are opened simultaneously; When lorry position, described exhaust changeover valve and inflation changing valve are closed simultaneously, can only pass through two-stage control valve during inflation, can only through stifled slowly exhaust of contracting during exhaust.
Passenger-cargo changing valve of the present invention, switching mechanism described in it comprises transfer handle and camshaft, one end of described camshaft is placed in also by rotating the opening and closing controlling exhaust changeover valve and inflate changing valve in valve body, and its other end is connected with the transfer handle be arranged on outside valve body.
Passenger-cargo changing valve of the present invention, it is provided with locating stud on described camshaft, described valve body is provided with the locating slot with locating stud corresponding matching, in described valve body, camshaft is socketed with Returnning spring, described Returnning spring one end is resisted against the ledge structure place of camshaft, its the other end is resisted against on spring seat, and described spring seat is fixed on inside check ring, and described check ring is fixed on valve body.
Passenger-cargo changing valve of the present invention, exhaust changeover valve described in it comprises exhaust jacking rod, venting check valve and venting check valve spring, described venting check valve is connected with exhaust jacking rod upper end, described exhaust jacking rod lower end and switching mechanism corresponding matching, when lorry position, described venting check valve is close to the valve seat on valve body under the effect of venting check valve spring, closes the path of chamber D to chamber E; Described inflation changing valve comprises inflation push rod, charging check valve and charging check valve spring, described charging check valve is connected with inflation push rod upper end, described inflation push rod lower end and switching mechanism corresponding matching, when lorry position, described charging check valve is close to the valve seat on valve body under the effect of charging check valve spring, closes the path of chamber A to chamber B.
The present invention is connected with control valve by flange, the row's ambient air passage alleviated by master cylinder is introduced changing valve and is carried out flux control, two-stage control valve is set simultaneously flux control is carried out to master cylinder gas fill port in control valve, and by switching mechanism, corresponding changing valve is opened or closed, realize the switching of vehicle between passenger vehicle position and lorry position, thus obtain the time of different inflations, alleviation, braking, with the utilization needs under satisfied different operating mode.Present invention employs Highgrade integration technology, in less space, be integrated with the braking technologies such as visitor, goods switching mechanism, two-stage control, two gas circuit controls, be adapted to visitor, a lorry different comfortable property needs.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is sectional view of the present invention.
Fig. 3 is the structural representation that in the present invention, locating stud coordinates with locating slot.
Mark in figure: 1 is valve body, and 2 is valve gap, 3 is switching mechanism, and 4 is exhaust changeover valve, 4a is exhaust jacking rod, and 4b is venting check valve, and 4c is venting check valve spring, and 5 is inflation changing valve, 5a is inflation push rod, and 5b is charging check valve, and 5c is charging check valve spring, and 6 is two-stage control valve, 7 is exhaust portion, and 8 is transfer handle, and 9 is camshaft, 10 is locating stud, and 11 is locating slot, and 12 is Returnning spring, 13 is spring seat, and 14 is check ring, and 15 is stifled for contracting.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As illustrated in fig. 1 and 2, a kind of passenger-cargo changing valve, comprises valve body 1 and valve gap 2, is provided with switching mechanism 3, exhaust changeover valve 4, inflation changing valve 5, two-stage control valve 6 and exhaust portion 7 in described valve body 1.Described exhaust changeover valve 4 comprises exhaust jacking rod 4a, venting check valve 4b and venting check valve spring 4c, and described venting check valve 4b is connected with exhaust jacking rod 4a upper end, described exhaust jacking rod 4a lower end and switching mechanism 3 corresponding matching; Described inflation changing valve 5 comprises inflation push rod 5a, charging check valve 5b and charging check valve spring 5c, described charging check valve 5b are connected with inflation push rod 5a upper end, described inflation push rod 5a lower end and switching mechanism 3 corresponding matching.
A is divided in described valve body 1, B, C, D, E five chambers, its middle chamber A connection control valve is to master cylinder gas fill port, chamber B leads to master cylinder, cavity C leads to train pipe, chamber D connects brake cylinder exhaust path, chamber E leads to air, chamber D and chamber E separates by described exhaust changeover valve 4 in off position completely, and in open mode by chamber D and chamber E conducting, chamber A and chamber B separates by described inflation changing valve 5 in off position completely, and in open mode by chamber A and chamber B conducting, described switching mechanism 3 is for controlling the opening and closing of exhaust changeover valve 4 and inflation changing valve 5, described chamber D is communicated with by contracting stifled 15 with chamber E.
When passenger vehicle position, described exhaust changeover valve 4 and inflation changing valve 5 are opened by jack-up at the effect lower push rod of switching mechanism simultaneously, chamber A is communicated with chamber B, chamber D is communicated with chamber E, namely opened large flux path, thus obtained the charge, exhaust of large flux, made it inflate, alleviate, period of braking has been faster, be applicable to fast transport lorry needs, be equivalent to the requirement of passenger vehicle; When lorry position, described venting check valve 4b is close to the valve seat on valve body 1 under the effect of venting check valve spring 4c, close the path of chamber D to chamber E, described charging check valve 5b is close to the valve seat on valve body 1 under the effect of charging check valve spring 5c, close the path of chamber A to chamber B, namely described exhaust changeover valve 4 and inflation changing valve 5 are closed simultaneously, two-stage control valve 6 can only be passed through during inflation, stifled 15 slowly can only to be vented through contracting during exhaust, make it inflate, alleviate, period of braking is slower, be applicable to long freight train traffic requirements.
Wherein, described switching mechanism 3 comprises transfer handle 8 and camshaft 9, one end of described camshaft 9 is placed in valve body 1 also by rotating the opening and closing controlling exhaust changeover valve 4 and inflate changing valve 5, its the other end is connected with the transfer handle 8 be arranged on outside valve body 1, described transfer handle is connected with camshaft by screw, joint being provided with locking pad, camshaft synchronous rotary can being made by rotating transfer handle, with the opening and closing making it control exhaust changeover valve and inflation changing valve, as shown in Figure 3, described camshaft 9 is provided with locating stud 10, described valve body 1 is provided with the locating slot 11 with locating stud 10 corresponding matching, in described valve body 1, camshaft 9 is socketed with Returnning spring 12, described Returnning spring 12 one end is resisted against the ledge structure place of camshaft 9, its the other end is resisted against on spring seat 13, described spring seat 13 is fixed on inside check ring 14, described check ring 14 is fixed on valve body 1, wherein the effect of Returnning spring ensures that locating stud to be attached on valve body and to be fixed in locating slot at corresponding position, the effect of locating slot ensures could rotate after pulling out transfer handle, prevent misoperation, check ring is used for fixing spring seat, also can ensure the displacement pulling out transfer handle simultaneously.
Passenger-cargo changing valve structure of the present invention is simple, level of integration is high, adapt to the up-to-date demand of current main-stream control valve, be mainly used in the conversion of rail truck under different operating conditions between passenger vehicle and lorry, be vented and period of braking requirement to adapt to different the filling of passenger-cargo carriage.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a passenger-cargo changing valve, comprise valve body (1) and valve gap (2), it is characterized in that: in described valve body (1), be provided with switching mechanism (3), exhaust changeover valve (4), inflation changing valve (5), two-stage control valve (6) and exhaust portion (7), described valve body is divided into A in (1), B, C, D, E five chambers, its middle chamber A connection control valve is to master cylinder gas fill port, chamber B leads to master cylinder, cavity C leads to train pipe, chamber D connects brake cylinder exhaust path, chamber E leads to air, chamber D and chamber E separates by described exhaust changeover valve (4) in off position completely, and in open mode by chamber D and chamber E conducting, chamber A and chamber B separates by described inflation changing valve (5) in off position completely, and in open mode by chamber A and chamber B conducting, described switching mechanism (3) is for controlling the opening and closing of exhaust changeover valve (4) and inflation changing valve (5), described chamber D is communicated with by contracting stifled (15) with chamber E,
When passenger vehicle position, described exhaust changeover valve (4) and inflation changing valve (5) are opened simultaneously; When lorry position, described exhaust changeover valve (4) and inflation changing valve (5) are closed simultaneously, can only pass through two-stage control valve (6), slowly can only be vented during exhaust through contract stifled (15) during inflation.
2. passenger-cargo changing valve according to claim 1, it is characterized in that: described switching mechanism (3) comprises transfer handle (8) and camshaft (9), one end of described camshaft (9) to be placed in valve body (1) and by rotating the opening and closing controlling exhaust changeover valve (4) and inflate changing valve (5), its other end be arranged on valve body (1) transfer handle outward (8) and be connected.
3. passenger-cargo changing valve according to claim 2, it is characterized in that: on described camshaft (9), be provided with locating stud (10), described valve body (1) is provided with the locating slot (11) with locating stud (10) corresponding matching, in described valve body (1), camshaft (9) is socketed with Returnning spring (12), described Returnning spring (12) one end is resisted against the ledge structure place of camshaft (9), its the other end is resisted against on spring seat (13), described spring seat (13) is fixed on check ring (14) inner side, described check ring (14) is fixed on valve body (1).
4. the passenger-cargo changing valve according to claim 1,2 or 3, it is characterized in that: described exhaust changeover valve (4) comprises exhaust jacking rod (4a), venting check valve (4b) and venting check valve spring (4c), described venting check valve (4b) is connected with exhaust jacking rod (4a) upper end, described exhaust jacking rod (4a) lower end and switching mechanism (3) corresponding matching, when lorry position, described venting check valve (4b) is close to the valve seat on valve body (1) under the effect of venting check valve spring (4c), closes the path of chamber D to chamber E; Described inflation changing valve (5) comprises inflation push rod (5a), charging check valve (5b) and charging check valve spring (5c), described charging check valve (5b) is connected with inflation push rod (5a) upper end, described inflation push rod (5a) lower end and switching mechanism (3) corresponding matching, when lorry position, described charging check valve (5b) is close to the valve seat on valve body (1) under the effect of charging check valve spring (5c), closes the path of chamber A to chamber B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410686796.0A CN104405712B (en) | 2014-11-26 | 2014-11-26 | A kind of passenger-cargo switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410686796.0A CN104405712B (en) | 2014-11-26 | 2014-11-26 | A kind of passenger-cargo switching valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104405712A true CN104405712A (en) | 2015-03-11 |
| CN104405712B CN104405712B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410686796.0A Active CN104405712B (en) | 2014-11-26 | 2014-11-26 | A kind of passenger-cargo switching valve |
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| Country | Link |
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| CN (1) | CN104405712B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051213A (en) * | 2016-07-27 | 2016-10-26 | 眉山中车制动科技股份有限公司 | Relief regulating valve for railway vehicle |
| CN113738725A (en) * | 2021-09-08 | 2021-12-03 | 中国航空工业集团公司西安飞机设计研究所 | Airflow direction control valve and opening and closing control mechanism for aircraft canopy of airflow direction control valve |
| WO2023045010A1 (en) * | 2021-09-24 | 2023-03-30 | 眉山中车制动科技股份有限公司 | Conversion device, braking system, and train |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5190362A (en) * | 1990-09-26 | 1993-03-02 | Robert Bosch Gmbh | Pressure limiting valve with uncoupled valve closing body and tappet |
| DE4232586A1 (en) * | 1992-09-23 | 1994-03-24 | Mannesmann Ag | Switching valve with regulation of output pressure - has inlet valve stage that closes when output pressure exceeds reference with vent valve stage opening to control pressure |
| DE19718098A1 (en) * | 1997-04-29 | 1998-11-05 | Knorr Bremse Systeme | Brake system for rail vehicle with exchangeable bogies for different gauges |
| CN201002603Y (en) * | 2006-12-12 | 2008-01-09 | 中国南车集团眉山车辆厂 | Braking controller for railway vehicle |
| CN201100278Y (en) * | 2007-06-29 | 2008-08-13 | 南车株洲电力机车有限公司 | Engine manual control three-position and five-pass conversion valve |
| CN103470816A (en) * | 2013-09-16 | 2013-12-25 | 四川制动科技股份有限公司 | Passenger /goods switching mechanism of control valve of quick truck |
| CN204267409U (en) * | 2014-11-26 | 2015-04-15 | 四川制动科技股份有限公司 | A kind of passenger-cargo changing valve |
-
2014
- 2014-11-26 CN CN201410686796.0A patent/CN104405712B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5190362A (en) * | 1990-09-26 | 1993-03-02 | Robert Bosch Gmbh | Pressure limiting valve with uncoupled valve closing body and tappet |
| DE4232586A1 (en) * | 1992-09-23 | 1994-03-24 | Mannesmann Ag | Switching valve with regulation of output pressure - has inlet valve stage that closes when output pressure exceeds reference with vent valve stage opening to control pressure |
| DE19718098A1 (en) * | 1997-04-29 | 1998-11-05 | Knorr Bremse Systeme | Brake system for rail vehicle with exchangeable bogies for different gauges |
| CN201002603Y (en) * | 2006-12-12 | 2008-01-09 | 中国南车集团眉山车辆厂 | Braking controller for railway vehicle |
| CN201100278Y (en) * | 2007-06-29 | 2008-08-13 | 南车株洲电力机车有限公司 | Engine manual control three-position and five-pass conversion valve |
| CN103470816A (en) * | 2013-09-16 | 2013-12-25 | 四川制动科技股份有限公司 | Passenger /goods switching mechanism of control valve of quick truck |
| CN204267409U (en) * | 2014-11-26 | 2015-04-15 | 四川制动科技股份有限公司 | A kind of passenger-cargo changing valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051213A (en) * | 2016-07-27 | 2016-10-26 | 眉山中车制动科技股份有限公司 | Relief regulating valve for railway vehicle |
| CN106051213B (en) * | 2016-07-27 | 2018-01-30 | 眉山中车制动科技股份有限公司 | A kind of rolling stock alleviation adjustment valve |
| CN113738725A (en) * | 2021-09-08 | 2021-12-03 | 中国航空工业集团公司西安飞机设计研究所 | Airflow direction control valve and opening and closing control mechanism for aircraft canopy of airflow direction control valve |
| CN113738725B (en) * | 2021-09-08 | 2024-02-02 | 中国航空工业集团公司西安飞机设计研究所 | Airflow direction control valve and aircraft cabin cover opening and closing control mechanism thereof |
| WO2023045010A1 (en) * | 2021-09-24 | 2023-03-30 | 眉山中车制动科技股份有限公司 | Conversion device, braking system, and train |
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| Publication number | Publication date |
|---|---|
| CN104405712B (en) | 2016-08-24 |
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Address after: Three road 620010 Meishan province Sichuan City Dongpo District of Meishan science and Technology Industrial Park No. 68 Applicant after: Meisha Zhongke Brake Technology Co., Ltd. Address before: Three road 620010 Meishan province Sichuan City Dongpo District of Meishan science and Technology Industrial Park No. 68 Applicant before: Sichuan Brake Science and Technology Co. Ltd. |
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