CN103470816A - Passenger /goods switching mechanism of control valve of quick truck - Google Patents

Passenger /goods switching mechanism of control valve of quick truck Download PDF

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Publication number
CN103470816A
CN103470816A CN2013104204037A CN201310420403A CN103470816A CN 103470816 A CN103470816 A CN 103470816A CN 2013104204037 A CN2013104204037 A CN 2013104204037A CN 201310420403 A CN201310420403 A CN 201310420403A CN 103470816 A CN103470816 A CN 103470816A
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CN
China
Prior art keywords
valve
changing
transaxle
sandwich
lower cover
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CN2013104204037A
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Chinese (zh)
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CN103470816B (en
Inventor
朱迎春
安鸿
李谋逵
刘文军
田宇
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Meisha Zhongke Brake Technology Co Ltd
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Sichuan Brake Technology Co Ltd
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Priority to CN201310420403.7A priority Critical patent/CN103470816B/en
Publication of CN103470816A publication Critical patent/CN103470816A/en
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Abstract

The invention discloses a passenger/goods switching mechanism of a control valve of a quick truck. The switching mechanism comprises a main vale lower cover assembly, and a charging switch valve, a braking switch valve, a relief switch valve and a switch shaft are arranged in the main valve lower cover assembly. Due to the fact that the charging switch valve, the braking switch valve and the relief switch valve are arranged in the main valve lower cover assembly and the opening and closing of one of the three switch valves corresponding to a sandwich valve are controlled by the rotation of the switching shaft, the change of charging, braking and relief performances of the quick truck control valve is achieved, and a purpose of both guaranteeing the application performance of a special train and being able to be suitable for mixed application of existing trucks of the control valve is reached. The passenger/goods switching mechanism of the control valve of the quick truck is ingenious in structure and remarkable in effect, and an aim that a product is suitable for multiple working conditions is achieved.

Description

A kind of quick Control Valves for Freight Cars visitor/goods switching mechanism
Technical field
The present invention relates to a kind of quick Control Valves for Freight Cars visitor/goods switching mechanism.
Background technique
At present the quick lorry of China railways and general wagon to the performances such as control valve inflation, braking and alleviation require differently, and there will be the operating mode of quick lorry and general wagon shuffling in practice.The performance requirement that the quick Control Valves for Freight Cars of this utilization working condition requirement can meet quick lorry special train can meet again the requirement of general wagon performance so that both shufflings.
Summary of the invention
The object of the invention is to: for the problem of above-mentioned existence, the visitor who provides a kind of performance that can make quick Control Valves for Freight Cars can guarantee that special train uses can adapt to again to use with existing lorry shuffling/goods switching mechanism.
Technological scheme of the present invention is achieved in that a kind of quick Control Valves for Freight Cars visitor/goods switching mechanism, comprise that the main valve lower cover forms, it is characterized in that: within described main valve lower cover forms, be provided with the inflation changing valve, the braking changing valve, alleviate changing valve and transaxle, described inflation changing valve, braking changing valve and alleviation changing valve comprise respectively sandwich valve and changing valve push rod, described sandwich valve under the effect of conversion valve spring, be pressed on the main valve lower cover form on valve port, described changing valve push rod falls within on transaxle, described changing valve push rod overcoat seal ring, be provided with the conversion groove coordinated with the transaxle end on described transaxle, when the lorry position, described changing valve push rod end is positioned at the conversion groove of transaxle, the sandwich valve is separated the upper and lower both sides of sandwich valve fully under the effect of conversion valve spring, sandwich valve downside path and original inflation, braking, alleviating path is communicated with, when the passenger vehicle position, described sandwich valve overcomes the pressure of conversion valve spring under the effect of transaxle, the sandwich valve is backed down, make sandwich valve upper and lower sides path form respectively inflation in parallel, braking, alleviate path.
Quick Control Valves for Freight Cars visitor of the present invention/goods switching mechanism, its described conversion valve spring one end is resisted against the end face of sandwich valve, and its other end is resisted against on the changing valve spring abutment be installed on main valve lower cover composition.
Quick Control Valves for Freight Cars visitor of the present invention/goods switching mechanism, its described transaxle one end is connected with transfer handle, by rotating transfer handle, make changing valve in lorry position and the switching of passenger vehicle position, the positioning means while on described main valve lower cover forms, being provided with transfer handle in lorry position and passenger vehicle position.
Quick Control Valves for Freight Cars visitor of the present invention/goods switching mechanism, its described positioning means comprises that being placed in the main valve lower cover forms positioning rod and the jumper spring in mounting groove, be provided with the guiding fan groove corresponding with positioning rod at described transfer handle attachment face, be respectively arranged with lorry position locating slot and passenger vehicle position locating slot at described guiding fan groove two ends, described jumper spring one end is resisted against the mounting groove inwall, its the other end is resisted against the positioning rod end face, when described positioning rod and lorry position locating slot at once, the changing valve push rod end of three changing valves lays respectively in the conversion groove that transaxle is corresponding, three sandwich valves all cut out, three path blockades in parallel, when described positioning rod and passenger vehicle position locating slot, at once, the changing valve push rod of three changing valves backs down corresponding sandwich valve, and three alternate paths are opened.
Quick Control Valves for Freight Cars visitor of the present invention/goods switching mechanism, it is provided with back-up ring at the described transaxle the other end, on described main valve lower cover forms, a side that back-up ring is set on transaxle is provided with dust cover.
The present invention by arranging inflation changing valve, braking changing valve and alleviating changing valve within the main valve lower cover forms, utilize the rotation of transaxle to control the switching of corresponding sandwich valve in three changing valves, thereby realize the variation of quick Control Valves for Freight Cars inflation, braking and mitigation performance, reach the performance that a kind of control valve can guarantee that special train uses and can adapt to again the purpose of using with existing lorry shuffling.Structure of the present invention is ingenious, and effect is remarkable, has realized a kind of purpose of product adaptation various working.
The accompanying drawing explanation
Fig. 1 is the structural representation of the present invention when the lorry position.
Fig. 2 is the structural representation of the present invention when the passenger vehicle position.
Mark in figure: 1 for the main valve lower cover forms, and 2 is transaxle, and 3 is the sandwich valve, and 4 is the changing valve push rod, and 5 is the conversion valve spring, 6 conversion grooves, 7 is seal ring, and 8 is the changing valve spring abutment, and 9 is transfer handle, 10 is positioning rod, and 11 is jumper spring, and 12 is back-up ring, and 13 is dust cover.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make purpose of the present invention, technological scheme and advantage clearer, 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, is not intended to limit the present invention.
As illustrated in fig. 1 and 2, a kind of quick Control Valves for Freight Cars visitor/goods switching mechanism, comprise that the main valve lower cover forms 1, form in 1 and be provided with the inflation changing valve at described main valve lower cover, the braking changing valve, alleviate changing valve and transaxle 2, described inflation changing valve, braking changing valve and alleviation changing valve comprise respectively sandwich valve 3 and changing valve push rod 4, described sandwich valve 3 is pressed on the main valve lower cover and forms on 1 interior valve port under the effect of conversion valve spring 5, the other end of described conversion valve spring is resisted against on the changing valve spring abutment 8 be installed on main valve lower cover composition 1, described changing valve push rod 4 falls within on transaxle 2, described changing valve push rod 4 overcoat seal rings 7, be provided with the conversion groove 6 coordinated with transaxle 2 ends on described transaxle 2, when the lorry position, described changing valve push rod 4 ends are positioned at the conversion groove 6 of transaxle 2, sandwich valve 3 both sides is separated the sandwich valve fully Shang Xia 3 under the effect of conversion valve spring 5, sandwich valve 3 downside paths and original inflation, braking, alleviating path is communicated with, when the passenger vehicle position, described sandwich valve 3 overcomes the pressure of conversion valve spring 5 under the effect of transaxle 2, sandwich valve 3 is backed down, make sandwich valve 3 upper and lower sides paths form respectively inflation in parallel, braking, alleviate path.
Wherein, described transaxle 2 one ends are connected with transfer handle 9, by rotating transfer handle 9, make changing valve in lorry position and the switching of passenger vehicle position, positioning means while on described main valve lower cover composition 1, being provided with transfer handle 9 in lorry position and passenger vehicle position, described positioning means comprises that being placed in the main valve lower cover forms positioning rod 10 and the jumper spring 11 in 1 mounting groove, be provided with the guiding fan groove corresponding with positioning rod 10 at described transfer handle 9 attachment faces, be respectively arranged with lorry position locating slot and passenger vehicle position locating slot at described guiding fan groove two ends, described jumper spring 11 1 ends are resisted against the mounting groove inwall, its the other end is resisted against positioning rod 10 end faces, be provided with back-up ring 12 at described transaxle 2 the other ends, at described main valve lower cover, form on 1, the side that back-up ring 12 is set on transaxle 2 is provided with dust cover 13.
When described positioning rod 10 with lorry position locating slot at once, changing valve push rod 4 ends of three changing valves lay respectively in the conversion groove 6 of transaxle 2 correspondences, three sandwich valves 3 all cut out, three path blockades in parallel, and control valve meets the railway general wagon and uses requirement; When described positioning rod 10 with passenger vehicle position locating slot at once, the changing valve push rod 4 of three changing valves backs down corresponding sandwich valve 3, three alternate paths are opened, control valve meets the quick lorry of railway and uses requirement.Structure of the present invention is ingenious, and effect is remarkable, has realized a kind of purpose of product adaptation various working.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.

Claims (5)

1. quick Control Valves for Freight Cars visitor/goods switching mechanism, comprise that the main valve lower cover forms (1), it is characterized in that: within described main valve lower cover forms (1), be provided with the inflation changing valve, the braking changing valve, alleviate changing valve and transaxle (2), described inflation changing valve, braking changing valve and alleviation changing valve comprise respectively sandwich valve (3) and changing valve push rod (4), described sandwich valve (3) is pressed on the main valve lower cover and forms in (1) on valve port under the effect of conversion valve spring (5), described changing valve push rod (4) falls within on transaxle (2), described changing valve push rod (4) overcoat seal ring (7), be provided with the conversion groove (6) coordinated with transaxle (2) end on described transaxle (2), when the lorry position, described changing valve push rod (4) end is positioned at the conversion groove (6) of transaxle (2), sandwich valve (3) is separated the upper and lower both sides of sandwich valve (3) fully under the effect of conversion valve spring (5), sandwich valve (3) downside path and original inflation, braking, alleviating path is communicated with, when the passenger vehicle position, described sandwich valve (3) overcomes the pressure of conversion valve spring (5) under the effect of transaxle (2), sandwich valve (3) is backed down, make sandwich valve (3) upper and lower sides path form respectively inflation in parallel, braking, alleviate path.
2. quick Control Valves for Freight Cars visitor according to claim 1/goods switching mechanism, it is characterized in that: described conversion valve spring (5) one ends are resisted against the end face of sandwich valve (3), and its other end is resisted against on the changing valve spring abutment (8) be installed on main valve lower cover composition (1).
3. quick Control Valves for Freight Cars visitor according to claim 1 and 2/goods switching mechanism, it is characterized in that: described transaxle (2) one ends are connected with transfer handle (9), by rotating transfer handle (9), make changing valve at lorry position and the switching of passenger vehicle position, the positioning means while on described main valve lower cover composition (1), being provided with transfer handle (9) in lorry position and passenger vehicle position.
4. quick Control Valves for Freight Cars visitor according to claim 3/goods switching mechanism, it is characterized in that: described positioning means comprises that being placed in the main valve lower cover forms positioning rod (10) and the jumper spring (11) in (1) mounting groove, be provided with the guiding fan groove corresponding with positioning rod (10) at described transfer handle (9) attachment face, be respectively arranged with lorry position locating slot and passenger vehicle position locating slot at described guiding fan groove two ends, described jumper spring (11) one ends are resisted against the mounting groove inwall, its the other end is resisted against positioning rod (10) end face, when described positioning rod (10) and lorry position locating slot at once, changing valve push rod (4) end of three changing valves lays respectively in the conversion groove (6) that transaxle (2) is corresponding, three sandwich valves (3) all cut out, three path blockades in parallel, when described positioning rod (10) and passenger vehicle position locating slot, at once, the changing valve push rod (4) of three changing valves backs down corresponding sandwich valve (3), and three alternate paths are opened.
5. quick Control Valves for Freight Cars visitor according to claim 4/goods switching mechanism, it is characterized in that: be provided with back-up ring (12) at described transaxle (2) the other end, a side that form at described main valve lower cover that (1) is upper, back-up ring (12) is set on transaxle (2) is provided with dust cover (13).
CN201310420403.7A 2013-09-16 2013-09-16 A kind of quick Control Valves for Freight Cars visitor/goods switching mechanism Active CN103470816B (en)

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CN103470816B CN103470816B (en) 2015-09-09

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104405712A (en) * 2014-11-26 2015-03-11 四川制动科技股份有限公司 Passenger and freight change-over valve
CN108116389A (en) * 2017-12-27 2018-06-05 天津中车机辆装备有限公司 A kind of railway brake machine passenger-cargo carriage conversion equipment
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0477523A2 (en) * 1990-09-26 1992-04-01 Robert Bosch Gmbh Pressure limiting valve, especially for hydraulic vehicle brake systems
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
CN2241243Y (en) * 1995-11-27 1996-11-27 青岛专用汽车制造厂 Control air valve
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
CN202927130U (en) * 2012-11-16 2013-05-08 四川制动科技股份有限公司 Normally open manual switch valve
CN203442222U (en) * 2013-09-16 2014-02-19 四川制动科技股份有限公司 Passenger/cargo conversion mechanism of control valve of fast freight vehicle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0477523A2 (en) * 1990-09-26 1992-04-01 Robert Bosch Gmbh Pressure limiting valve, especially for hydraulic vehicle brake systems
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
CN2241243Y (en) * 1995-11-27 1996-11-27 青岛专用汽车制造厂 Control air valve
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
CN202927130U (en) * 2012-11-16 2013-05-08 四川制动科技股份有限公司 Normally open manual switch valve
CN203442222U (en) * 2013-09-16 2014-02-19 四川制动科技股份有限公司 Passenger/cargo conversion mechanism of control valve of fast freight vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104405712A (en) * 2014-11-26 2015-03-11 四川制动科技股份有限公司 Passenger and freight change-over valve
CN108116389A (en) * 2017-12-27 2018-06-05 天津中车机辆装备有限公司 A kind of railway brake machine passenger-cargo carriage conversion equipment
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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Address after: Three road 620010 Meishan province Sichuan City Dongpo District of Meishan science and Technology Industrial Park No. 68

Patentee 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

Patentee before: Sichuan Brake Science and Technology Co. Ltd.