CN105805197A - Brake cylinder with parking function for railway vehicle - Google Patents
Brake cylinder with parking function for railway vehicle Download PDFInfo
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- CN105805197A CN105805197A CN201410855023.0A CN201410855023A CN105805197A CN 105805197 A CN105805197 A CN 105805197A CN 201410855023 A CN201410855023 A CN 201410855023A CN 105805197 A CN105805197 A CN 105805197A
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- lamina membranacea
- piston
- cylinder
- piston shaft
- main body
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Abstract
The invention relates to a brake cylinder for a railway vehicle. The brake cylinder comprises a cylinder body, a diaphragm plate chamber module, a piston shaft and a piston; the front and back ends of the cylinder body are tightly connected with a front cylinder cover and a back cylinder cover; one end of the piston shaft is tightly connected to the front cylinder cover; the diaphragm plate chamber module is tightly mounted on the back cylinder cover; the piston tightly coats the piston shaft, and is tightly connected with the cylinder body; a stop base is arranged on the piston shaft; the other end of the piston shaft is coated with a spring base; the spring base is opposite to a pushing part of the diaphragm plate chamber module; the two ends of a piston shaft return spring coating the piston shaft are respectively butted against the piston and the spring base; a parking brake spring is arranged on the outer side of the diaphragm plate chamber module; two ends of the parking brake spring are respectively butted against the cylinder body and the piston; an air joint is arranged on the back cylinder cover; and an air hole of the air joint is communicated with a diaphragm plate air chamber of the diaphragm plate chamber module. The brake cylinder integrates driving braking with parking braking in one cylinder body, and is fewer in parts, simple in structure, high in reliability and convenient for debugging and maintenance.
Description
Technical field
The present invention relates to a kind of band used for rail vehicle and park the checking cylinder of function, belong to rail vehicle brake rigging technical field.
Background technology
Brake rigging is the key components and parts of track traffic, applies brake force by brake rigging and makes train realize Brake stop in the distance of regulation.During train braking, in normal state, by being filled with compression air in service braking cylinder, provide brake force for brake clamp, it is achieved service brake;When there is no source of the gas, by discharging the pressed gas in Parking Brake Cylinders, by parking spring release spring force, provide brake force for brake clamp, it is achieved stopping brake.In order to realize service brake and the stopping brake of train, brake rigging would generally be provided with service braking cylinder and Parking Brake Cylinders.Usual service braking cylinder and Parking Brake Cylinders are two independent parts, and two cylinder bodies overlap, and act on brake clamp.The checking cylinder parts of this structure are many, and internal structure is more complicated, and reliability is relatively low, and installation and debugging, maintenance and repair get up also comparatively laborious.
Summary of the invention
It is an object of the invention to provide a kind of simple in construction, service brake and stopping brake are integrated in a cylinder body, and reliability is high, and the checking cylinder of function parked by debugging, band used for rail vehicle easy to maintenance.
nullThe present invention is the technical scheme reaching above-mentioned purpose: the checking cylinder of function parked by a kind of band used for rail vehicle,It is characterized in that: include cylinder body、Lamina membranacea chamber component and piston shaft and piston,The forward end seal of described cylinder body is connected to front end housing、Back-end sealing is connected to back cylinder cover,One end of piston shaft is sealedly connected on front end housing,Lamina membranacea chamber component is sealingly mounted on back cylinder cover,Piston seal is set on piston shaft and is tightly connected with cylinder body,Piston shaft is provided with stopping seat,The other end of piston shaft is arranged with spring base,Spring base is relative with the impeller of lamina membranacea chamber component,The two ends of the piston shaft back-moving spring being enclosed within piston shaft withstand on piston and spring base respectively,The arranged outside of lamina membranacea chamber component has parking brake spring,The two ends of parking brake spring withstand on cylinder body and piston respectively,Back cylinder cover is provided with gas joint,The pore of gas joint communicates with the lamina membranacea air chamber of lamina membranacea chamber component.
Wherein: described front end housing is provided with and piston is carried out spacing stop block.
Described inboard wall of cylinder block is provided with and piston is carried out spacing bulge loop.
Described spring base is removable to be arranged on piston shaft.
Described piston is crimped with piston sleeve, sealing ring is installed between piston sleeve and piston shaft.
Described lamina membranacea chamber component includes the lamina membranacea room main body of tubular, the lamina membranacea connecting plate being arranged in the main body of lamina membranacea room and flexible diaphragm, lamina membranacea room body seal is connected on back cylinder cover, one end of flexible diaphragm is fixed on lamina membranacea connecting plate, the other end is fixed in the main body of lamina membranacea room, lamina membranacea connecting plate is the catch bar of lamina membranacea chamber component, and the lamina membranacea air chamber A that the pore of the gas joint on back cylinder cover is formed with lamina membranacea room main body, lamina membranacea connecting plate and flexible diaphragm communicates.
Described lamina membranacea room main body has step, it is fixed with lamina membranacea side cover in the main body of lamina membranacea room, the guide plate of tubular it is further fixed in lamina membranacea connecting plate, guide plate has annular groove, one end of flexible diaphragm is fixed between lamina membranacea connecting plate and the annular groove of guide plate, the other end is fixed on lamina membranacea side cover and between the step of lamina membranacea room main body, and flexible diaphragm is positioned at the periphery of guide plate.
Being fixedly connected with push rod on described guide plate, piston shaft is cased with one end of spring base and offers pilot hole, and the push shaft of push rod penetrates in the pilot hole of piston shaft.
The bottom of the pilot hole of described piston shaft is provided with pole socket.
It is provided with piston in the cylinder body of the present invention, piston seal is set on piston shaft, by piston, inner chamber of cylinder block is divided into driving brake chamber B and stopping brake air chamber C, piston shaft back-moving spring, parking brake spring, lamina membranacea chamber component etc. it are provided with in service brake air chamber B, it is always maintained at inflated condition during except stopping brake in stopping brake air chamber C, and its pressure is more than the spring force of parking brake spring.During service brake, by being filled with compression air in the lamina membranacea air chamber A of lamina membranacea chamber component, promote piston shaft motion by pressed gas, thus providing service brake power and service brake stroke;During release of brake, the pressed gas in release lamina membranacea air chamber A, piston shaft is replied under the effect of piston shaft back-moving spring.During stopping brake, release stopping brake air chamber C in pressed gas, parking brake spring reset and discharge spring force, promote piston move, make piston driving piston shaft move, thus providing parking brake and parking brake stroke.Service brake and stopping brake are integrated in a cylinder body by the present invention, and parts are less, simple in construction, and reliability is high, conveniently debugging and maintenance.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is the structural representation that the checking cylinder of function parked by present invention band used for rail vehicle.
Fig. 2 is the structural representation of lamina membranacea chamber component of the present invention.
Wherein: 1 back cylinder cover, 2 cylinder bodies, 2-1 bulge loop, 2-2 pore, 2-3 parking brake pore, 3 parking brake springs, 4 lamina membranacea chamber components, 4-1 lamina membranacea connecting plate, 4-2 lamina membranacea room main body, 4-3 lamina membranacea side cover, 4-4 flexible diaphragm, 4-5 push rod, 4-6 guide plate, 5 pistons, 6 piston shaft, 6-1 pilot hole, 6-2 stopping seat, 7 piston packings, 8 piston sleeve, 9 piston shaft back-moving springs, 10 spring bases, 11 gas joints, 12 pole sockets, 13 front end housings, 13-1 stop block.
Detailed description of the invention
As shown in Figure 1, the checking cylinder of function parked by the band used for rail vehicle of the present invention, including cylinder body 2, lamina membranacea chamber component 4 and piston shaft 6 and piston 5, the forward end seal of cylinder body 2 is connected to front end housing 13, back-end sealing is connected to back cylinder cover 1, one end of piston shaft 6 is sealedly connected on front end housing 13, lamina membranacea chamber component 4 is sealingly mounted on back cylinder cover 1, piston 5 sealing shroud is located on piston shaft 6, piston 5 is crimped with piston sleeve 8, between piston sleeve 8 and piston shaft 6, sealing ring is installed, make piston 5 and the piston shaft 6 can relative motion, can have again good sealing property, piston 5 and cylinder body 2 are tightly connected, piston packing 7 is arranged in the seal groove of piston 5 and realizes sealing with cylinder body 2, make piston 5 relative to cylinder body 2 energy relative motion.As shown in Figure 1, inventive piston axle 6 is provided with stopping seat 6-2, carries out spacing to the installation site of piston 5, and is promoted stopping seat 6-2 to drive piston shaft to move when stopping brake by piston 5.Cylinder body 2 inwall of the present invention is provided with and piston 5 is carried out spacing bulge loop 2-1, carries out spacing when direct release state to piston 5 shift position.As shown in Figure 1, by piston 5, cylinder body 2 is divided into two independent air chambers, between back cylinder cover 1 and piston 5, forms service brake air chamber B, between front end housing 13 and piston 5, form stopping brake air chamber C;The cylinder body 2 of stopping brake air chamber C is provided with parking brake pore 2-3, for the inflation/deflation of stopping brake air chamber C, during except parking brake, is always maintained at inflated condition in stopping brake air chamber C;The cylinder body 2 of service brake air chamber B is provided with pore 2-2, and pore 2-2 is provided with dirt filtrating screen, for the air supplementing and discharging in service brake air chamber B, it is ensured that the smooth-going of braking procedure, and keeps the cleaning of service brake air chamber B.As shown in Figure 1, front end housing 13 of the present invention is provided with and piston 5 is carried out spacing stop block 13-1, carries out spacing when stopping brake to the shift position of piston 5.
As shown in Figure 1, the other end of inventive piston axle 6 is arranged with spring base 10, and spring base 10 is removable to be arranged on piston shaft 6, can be connected on piston shaft 6 by collar, it is possible to be arranged on piston shaft 6 by securing member by spring base 10;Spring base 10 is relative with the impeller of lamina membranacea chamber component, the two ends of the piston shaft back-moving spring 9 being enclosed within piston shaft 6 withstand on piston 5 and spring base 10 respectively, namely one end of piston shaft back-moving spring 9 withstands on piston 5, the other end withstands on spring base 10, the arranged outside of lamina membranacea chamber component 4 has parking brake spring 3, the two ends of parking brake spring 3 withstand on cylinder body 2 and piston 5 respectively, namely one end of parking brake spring 3 withstands on cylinder body 2, the other end withstands on piston 5, back cylinder cover 1 is provided with gas joint 11, the pore of gas joint 11 communicates with the lamina membranacea air chamber of lamina membranacea chamber component 4.
See Fig. 1, shown in 2, lamina membranacea chamber component 4 of the present invention includes the lamina membranacea room main body 4-2 of tubular, it is arranged on the lamina membranacea connecting plate 4-1 and flexible diaphragm 4-4 in the main body 4-2 of lamina membranacea room, lamina membranacea room main body 4-2 is sealedly connected on back cylinder cover 1, flexible diaphragm 4-4 one end is fixed on lamina membranacea connecting plate 4-1, the other end is fixed on the main body 4-2 of lamina membranacea room, lamina membranacea connecting plate 4-1 is the catch bar of lamina membranacea chamber component 4, the pore of the gas joint 11 on back cylinder cover 1 and lamina membranacea room main body 4-2, the lamina membranacea air chamber A that lamina membranacea connecting plate 4-1 and flexible diaphragm 4-4 is formed communicates, by gas joint 11, lamina membranacea air chamber A is carried out inflation/deflation.
See showing of Fig. 2, lamina membranacea room main body 4-2 of the present invention has step, lamina membranacea side cover 4-3 it is fixed with in the main body 4-2 of lamina membranacea room, the guide plate 4-6 of tubular it is further fixed in lamina membranacea connecting plate 4-1, guide plate 4-6 has annular groove, one end of flexible diaphragm 4-4 is fixed between lamina membranacea connecting plate 4-1 and the annular groove of guide plate 4-6, the other end is fixed between the step of lamina membranacea side cover 4-3 and lamina membranacea room main body 4-2, and flexible diaphragm 4-4 is positioned at the periphery of guide plate 4-6, lamina membranacea side cover 4-3, flexible diaphragm 4-4 and lamina membranacea connecting plate 4-1 and forms lamina membranacea air chamber A;Guide plate 4-6 is fixedly connected with push rod 4-5, one end being cased with spring base 10 of piston shaft 6 offers pilot hole 6-1, the push shaft of push rod 4-5 penetrates in the pilot hole 6-1 of piston shaft 6, the bottom of pilot hole 6-1 is provided with pole socket 12, pole socket 12 can be promoted to act on piston shaft 6 by push rod 4-5, there is good maintainability.
See Fig. 1, shown in 2, the present invention is when service brake, in lamina membranacea air chamber A, it is filled with compression air by the pore of the gas joint 11 of bonnet cylinder 1, flexible diaphragm 4-4 has flexibility, pressed gas promotes lamina membranacea connecting plate 4-1 motion, thus driving push rod 4-5 to move, owing to keeping inflated condition in stopping brake air chamber C, and the gas pressure in stopping brake air chamber C is more than the spring force of parking brake spring 3, parking brake spring 3 is in confined state, piston 5 remains stationary as in cylinder body 2, piston shaft 6 travels forward under the promotion of push rod 4-5, service brake power and service brake stroke are provided, and piston shaft back-moving spring 9 is compressed, during alleviation, piston shaft 6 is replied under the effect of piston shaft back-moving spring 9.During stopping brake, owing to inflating in lamina membranacea air chamber A without source of the gas, by discharging the gas in stopping brake air chamber C, parking brake spring 3 resets and discharges spring force, promoting piston 5 to move, piston 5 drives piston shaft 6 to travel forward, it is provided that stop car power and parking brake stroke.The checking cylinder of the present invention can be connected with cylinder seal, and the part cylinder body that oil cylinder is connected with checking cylinder can as front end housing, and piston shaft 6 stretches in the work oil duct of oil cylinder and is connected with oil piston, air pressure changes into oil liquid pressure, implements to brake;Also the piston shaft of the checking cylinder of the present invention drive disk assembly with clamp or power amplifier unit can be connected, the brake force of checking cylinder is delivered on drive disk assembly or power amplifier unit, implement braking.Service brake and stopping brake are integrated in a cylinder body 2 by the present invention, and parts are less, simple in construction, and reliability is high, conveniently debugging and maintenance.
Claims (9)
- null1. the checking cylinder of function parked by a band used for rail vehicle,It is characterized in that: include cylinder body (2)、Lamina membranacea chamber component (4) and piston shaft (6) and piston (5),The forward end seal of described cylinder body (2) is connected to front end housing (13)、Back-end sealing is connected to back cylinder cover (1),One end of piston shaft (6) is sealedly connected on front end housing (13),Lamina membranacea chamber component (4) is sealingly mounted on back cylinder cover (1),Piston (5) sealing shroud is located at piston shaft (6) and above and is tightly connected with cylinder body (2),Piston shaft (6) is provided with stopping seat (6-2),The other end of piston shaft (6) is arranged with spring base (10),Spring base (10) is relative with the impeller of lamina membranacea chamber component (4),The two ends of the piston shaft back-moving spring (9) being enclosed within piston shaft (6) withstand on piston (5) and spring base (10) respectively,The arranged outside of lamina membranacea chamber component (4) has parking brake spring (3),The two ends of parking brake spring (3) withstand on cylinder body (2) and piston (5) respectively,Back cylinder cover (1) is provided with gas joint (11),The pore of gas joint (11) communicates with the lamina membranacea air chamber of lamina membranacea chamber component (4).
- 2. the checking cylinder of function parked by band used for rail vehicle according to claim 1, it is characterised in that: described front end housing (13) is provided with and piston (5) carries out spacing stop block (13-1).
- 3. the checking cylinder of function parked by band used for rail vehicle according to claim 1, it is characterised in that: described cylinder body (2) inwall is provided with and piston (5) carries out spacing bulge loop (2-1).
- 4. the checking cylinder of function parked by band used for rail vehicle according to claim 1, it is characterised in that: described spring base (10) is removable to be arranged on piston shaft (6).
- 5. the checking cylinder of function parked by band used for rail vehicle according to claim 1, it is characterized in that: described piston (5) is crimped with piston sleeve (8), between piston sleeve (8) and piston shaft (6), sealing ring is installed.
- 6. the checking cylinder of function parked by band used for rail vehicle according to claim 1, it is characterized in that: described lamina membranacea chamber component (4) includes lamina membranacea room main body (4-2) of tubular, it is arranged on the lamina membranacea connecting plate (4-1) in lamina membranacea room main body (4-2) and flexible diaphragm (4-4), lamina membranacea room main body (4-2) is sealedly connected on back cylinder cover (1), one end of flexible diaphragm (4-4) is fixed on lamina membranacea connecting plate (4-1), the other end is fixed on lamina membranacea room main body (4-2), the catch bar that lamina membranacea connecting plate (4-1) is lamina membranacea chamber component (4), the pore of the gas joint (11) on back cylinder cover (1) and lamina membranacea room main body (4-2), the lamina membranacea air chamber A that lamina membranacea connecting plate (4-1) and flexible diaphragm (4-4) are formed communicates.
- 7. the checking cylinder of function parked by band used for rail vehicle according to claim 6, it is characterized in that: described lamina membranacea room main body (4-2) has step, lamina membranacea side cover (4-3) it is fixed with in lamina membranacea room main body (4-2), the guide plate (4-6) of tubular it is further fixed in lamina membranacea connecting plate (4-1), guide plate (4-6) has annular groove, one end of flexible diaphragm (4-4) is fixed between the annular groove of lamina membranacea connecting plate (4-1) and guide plate (4-6), the other end is fixed between the step of lamina membranacea side cover (4-3) and lamina membranacea room main body (4-2), and flexible diaphragm (4-4) is positioned at the periphery of guide plate (4-6).
- 8. the checking cylinder of function parked by band used for rail vehicle according to claim 7, it is characterized in that: described guide plate (4-6) is fixedly connected with push rod (4-5), piston shaft (6) is cased with one end of spring base (10) and offers pilot hole (6-1), and the push shaft of push rod (4-5) penetrates in the pilot hole (6-1) of piston shaft (6).
- 9. the checking cylinder of function parked by band used for rail vehicle according to claim 8, it is characterised in that: the bottom of the pilot hole (6-1) of described piston shaft (6) is provided with pole socket (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410855023.0A CN105805197A (en) | 2014-12-31 | 2014-12-31 | Brake cylinder with parking function for railway vehicle |
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CN201410855023.0A CN105805197A (en) | 2014-12-31 | 2014-12-31 | Brake cylinder with parking function for railway vehicle |
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CN105805197A true CN105805197A (en) | 2016-07-27 |
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CN201410855023.0A Pending CN105805197A (en) | 2014-12-31 | 2014-12-31 | Brake cylinder with parking function for railway vehicle |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107620748A (en) * | 2017-08-18 | 2018-01-23 | 重庆德盟液压机械有限公司 | Self-sealed cyst membrane mounting structure, self sealss cyst membrane cylinder and its installation method |
CN108944991A (en) * | 2018-08-15 | 2018-12-07 | 眉山中车制动科技股份有限公司 | A kind of low and slow decompression force parks cylinder |
CN113788002A (en) * | 2021-10-09 | 2021-12-14 | 中车青岛四方车辆研究所有限公司 | Pneumatic stop-discharge brake cylinder and brake clamp |
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DE19961645A1 (en) * | 1999-12-21 | 2001-07-05 | Knorr Bremse Systeme | Utility vehicle brake cylinder comprises diaphragm mounted in internal chamber and piston unit mounting position defined by deformable stop |
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CN202301648U (en) * | 2011-10-24 | 2012-07-04 | 常州市聚强汽车配件厂(普通合伙) | Double-piston energy storage spring air brake chamber |
CN103459878A (en) * | 2011-03-17 | 2013-12-18 | 克诺尔-布里姆斯轨道车辆系统有限公司 | Pneumatic brake cylinder with a labyrinth flow duct |
CN204553627U (en) * | 2014-12-31 | 2015-08-12 | 常州南车铁马科技实业有限公司 | The master cylinder of function parked by a kind of band used for rail vehicle |
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2014
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19961645A1 (en) * | 1999-12-21 | 2001-07-05 | Knorr Bremse Systeme | Utility vehicle brake cylinder comprises diaphragm mounted in internal chamber and piston unit mounting position defined by deformable stop |
CN201334004Y (en) * | 2008-12-29 | 2009-10-28 | 中国汽车工程研究院有限公司 | Brake booster for monorail train |
CN103459878A (en) * | 2011-03-17 | 2013-12-18 | 克诺尔-布里姆斯轨道车辆系统有限公司 | Pneumatic brake cylinder with a labyrinth flow duct |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107620748A (en) * | 2017-08-18 | 2018-01-23 | 重庆德盟液压机械有限公司 | Self-sealed cyst membrane mounting structure, self sealss cyst membrane cylinder and its installation method |
CN107620748B (en) * | 2017-08-18 | 2024-03-26 | 重庆戴文能源科技有限公司 | Self-sealing type capsule mounting structure, self-sealing capsule cylinder and mounting method thereof |
CN108944991A (en) * | 2018-08-15 | 2018-12-07 | 眉山中车制动科技股份有限公司 | A kind of low and slow decompression force parks cylinder |
CN113788002A (en) * | 2021-10-09 | 2021-12-14 | 中车青岛四方车辆研究所有限公司 | Pneumatic stop-discharge brake cylinder and brake clamp |
CN113788002B (en) * | 2021-10-09 | 2022-07-05 | 中车青岛四方车辆研究所有限公司 | Pneumatic stop-discharge brake cylinder and brake clamp |
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Effective date of registration: 20170620 Address after: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Applicant after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL CO., LTD. Applicant after: CRRC QISHUYAN INSTITUTE CO., LTD. Address before: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Applicant before: CSR Changzhou Tech-Mark Industrial Co., Ltd. |
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