WO2008084090A1 - Kombinierter betriebsbrems- und federspeicherbremszylinder mit druckmittelanschlusskupplung - Google Patents
Kombinierter betriebsbrems- und federspeicherbremszylinder mit druckmittelanschlusskupplung Download PDFInfo
- Publication number
- WO2008084090A1 WO2008084090A1 PCT/EP2008/050277 EP2008050277W WO2008084090A1 WO 2008084090 A1 WO2008084090 A1 WO 2008084090A1 EP 2008050277 W EP2008050277 W EP 2008050277W WO 2008084090 A1 WO2008084090 A1 WO 2008084090A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spring
- service brake
- pressure medium
- bore
- coupling part
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/28—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged apart from the brake
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
- B60T17/043—Brake line couplings, air hoses and stopcocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/08—Brake cylinders other than ultimate actuators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/08—Brake cylinders other than ultimate actuators
- B60T17/083—Combination of service brake actuators with spring loaded brake actuators
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/12—Fluid pressure for releasing a normally applied brake, the type of actuator being irrelevant or not provided for in groups F16D2121/04 - F16D2121/10
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2123/00—Multiple operation forces
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
- F16D2125/16—Devices for bleeding or filling
Definitions
- the invention relates to a combined service brake and spring brake cylinder for vehicles, arranged with at least one arranged in a service brake cylinder, through a pressure center! operable service brake piston, which limits a B ⁇ triebsbremssch and connected to a force acting on brake actuators service brake piston rod, and arranged with at least one arranged in a spring brake cylinder, actuated by a storage spring brake piston, which on one side of a spring brake chamber and on the opposite side of the memory spring receiving spring chamber is limited and connected to a Feder acknowledgedbremskolbenstange which extends through an opening of an intermediate wall which separates the service brake cylinder and the spring brake cylinder from each other, wherein in the intermediate wall a Druckstoffanschi uss with a bore for supplying and / or discharge of pressure medium in the or is provided from the service brake chamber or in or from the spring brake chamber, according to the preamble of claim 1.
- the invention is based on the object to further develop a combined service brake and spring brake cylinder of the type mentioned in such a way that it can be used flexibly at low production and assembly costs.
- the pressure medium connection includes at least one separate coupling part held in the bore, which is provided for the pressure-medium-conducting connection to a partner coupling part connected to a pressure medium pipe, a pressure medium line or to a pressure medium channel.
- an adaptation to different diameters and sizes of pressure medium pipes, pressure medium lines, pressure medium ducts or partner coupling parts can be done in a simple manner that a correspondingly adapted coupling part is inserted into the bore.
- a production of different partitions, each with different bore or thread diameters dispensable It is therefore sufficient to provide in the partitions a uniform bore with the same internal dimensions, in which then in relation to his Outside dimensions standardized coupling part is used.
- the differences are therefore limited to the respective other connection geometries between the coupling part and the partner coupling part, which are specified by the vehicle manufacturer.
- the coupling part is held positively in the bore, wherein the positive connection is formed for example by a snap connection.
- a snap connection can for example be realized in that at least one in an annular circumferential, formed in the radially inner bore wall of the bore groove held, at least axially resilient snap ring is provided which protrudes with a spring portion on this groove out radially inward, in a Recess of the coupling part is positively locking or snap-formed, when the coupling part is inserted or inserted into the bore.
- a snap connection can be made very quickly and easily, especially with low assembly forces.
- the recess in the coupling part for the snap ring and the spring portion of the snap ring are with respect to a central axis of the coupling part or the
- the snap ring is countered by a retaining ring held in a further groove of the bore, which then forms a wall of the groove holding the snap ring, whose other wall is formed for example by a shoulder of the bore.
- the coupling part carries at least one sealing ring, which seals against the radially inner bore wall of the bore.
- FIG. 1 shows a half-cross-sectional view of a combined service brake and spring brake cylinder
- FIG. 2 is a cross-sectional view of a pressure medium connection of the combined service brake and spring brake cylinder of Figure 1 according to a preferred embodiment of the invention.
- FIG. 3 shows an enlarged detail of the cross-sectional view of Fig.2.
- a combined service brake and spring brake cylinder according to a preferred embodiment of the invention is shown.
- This includes a service brake device 2 with a service brake cylinder 4 made of steel, in which a pneumatically actuated service brake piston 6 is guided, which operates via a service brake piston rod 8, for example, not shown for reasons of scale disc brake of a commercial vehicle.
- a spring brake device 10 is provided with a spring brake cylinder 12 made of steel, in which a by pneumatic pressure in a spring brake chamber 14 against the spring force of a storage spring 16 in a spring chamber 17 tensionable spring brake piston 18 is guided through which the service brake piston 6 in Bremszuspannetti can be acted upon.
- the service brake cylinder 4 and the spring brake cylinder 12 form one behind the other coaxially arranged a combination brake cylinder 20. Furthermore protrude from the service brake cylinder 4 head mounting bolts 22 made of steel away, to secure the combination brake cylinder 20 to the vehicle can.
- a spring brake piston rod 24 of the spring brake piston 18 sealingly penetrates a passage opening 26 in a partition wall 28 between the spring brake cylinder 12 and the service brake cylinder 4 and can strike with its end face on the service brake piston 6.
- This may include an outer edge side clamped between the partition 28 and a radially outer shoulder 30 at the edge of the service brake cylinder 4 and axially movable diaphragm 32 and a central, connected to the diaphragm 32 piston disc 34.
- the shoulder 30 is preferably bent by more than 90 degrees, so that there is an oblique contact surface to the membrane 32 out.
- the partition wall 28 is provided at its radially outer edge with an oblique contact surface, so that there is a radially outwardly wedge-shaped widening cross section, in which the complementarily shaped outer edge 36 of the membrane 32 is held positively.
- the spring brake piston 18 can be brought against the action of the accumulator spring 16 by venting the spring brake chamber 14 in the release position.
- a service brake chamber 38 which extends between the partition wall 28 and the service brake piston 6, the latter against the action of a on the one hand on the service brake piston 6 and on the other hand on an end wall of the service brake cylinder 4 supported return spring 40 are brought into Zuspann Berlin.
- a mechanical release device 46 is integrated within the spring brake piston rod 24, with which the spring brake can be emergency or emergency dissolved in case of pressure failure.
- the radially outer periphery of the partition wall 28 is countered with a shoulder 48 against a complementary shoulder 50 of the spring brake cylinder 12.
- the edge 52 of the spring brake cylinder is connected to the edge of the service brake cylinder 4 by means of a flange 54, which enclosing the edge 36 of the membrane 32 at the same time.
- a pressure medium connection 56 which is best illustrated in FIG. 2, is provided, which contains at least one separate coupling part 60 held in a radially outer peripheral surface of the partition wall 28, which is connected to the pressure-medium-conducting and detachable connection to an external one Pressure medium tube, an external pressure medium line or connected to an external pressure medium channel, not shown here partner coupling part is provided, which can be screwed into the coupling part 60, for example.
- the pressure medium connection 56 serves to supply and / or discharge pressure medium into or out of the service brake chamber 38, alternatively to the supply and / or discharge of pressure medium into or out of the spring brake chamber 14.
- the blind bore 58 has a in their Bottom trained channel 62 with the service brake chamber 38 in conjunction.
- the coupling part 60 is held positively in the blind hole 58, wherein the positive connection, for example, by a
- Snap connection 64 is generated, which is best seen in Figure 3. This is preferably realized in that at least one in an annular circumferential, formed in the radially inner bore wall of the blind hole 58 groove 66 held, at least axially resilient snap ring 68 is provided, which with a spring portion 70 on this
- Clutch part 60 positively locking or snapping formed when the coupling member 60 is inserted or inserted into the blind hole 58. Furthermore, a radially inner portion 74 of the elastic snap ring 68th arranged perpendicular to a central axis 76 of the coupling part 60 or the blind hole 58 to be held in the groove 66 of the blind hole 58 can.
- the blind hole 58 is stepped and thus has at least one axial stop for the complementary stepped coupling part 60 to ensure a defined axial position in the installed state.
- the elastic snap ring 58 is preferably countered by a retaining ring 80 held in a further groove 78 of the blind bore 58, which is not provided, for example, completely circumferential, but with a circumferential gap, so that it can be radially compressed while reducing its outside diameter.
- the resilient snap ring 68 has been placed on a shoulder 79 in the blind bore 58, which forms a front wall of the groove 66, then the retaining ring 80 is compressed to allow it to spring when released into its associated groove 78, whereby the elastic snap ring 68th is contacted axially against the withdrawal direction of the coupling part 60 of the blind hole 58 and thus countered.
- the snap ring 68 facing the end face of the retaining ring 80 forms the other wall of the groove 66, in which the elastic snap ring 68 is held.
- the recess 72 in the coupling part 60 for the snap ring 68 and the spring portion 70 of the snap ring 68 with respect to the central axis 76 of the coupling part 60 or the blind hole 58 are arranged obliquely such that the once established positive connection between the blind hole 58 and the coupling member 60th is insoluble.
- the spring portion 70 of the snap ring 68 and the recess 72 are angled in the insertion or insertion of the coupling part 60 in the blind hole 58.
- the recess 72 in the coupling part 60 according to the bending of the spring portion 70 of the snap ring 68 is complementary wedge-shaped.
- the spring portion 70 of the snap ring 68 initially deformed axially in the insertion direction, and springs or snaps when it has passed an upper edge 73 of the recess 72 in the coupling part 60, in this recess 72 a.
- the radially inner peripheral surface of the spring portion 70 of the snap ring 68 is countered against an associated end face 75 of the recess 72, so that a release pulling out of the coupling part 60 from the blind hole 58 is not possible without damage.
- the coupling part 60 carries at least one sealing ring, which seals against the radially inner bore wall of the blind hole 58. More precisely, a sealing ring 82 which acts in a gas-tight and pressure-tight manner together with the bore wall and in the direction of the pressure gradient a further, at least one advance of moisture and / or
- Dirt-preventing sealing ring 84 is provided, wherein the positive snap connection 64 the at least two sealing rings 82, 84 in the direction of
- the coupling part 60 and / or the partner coupling part are preferably made of steel, brass or a plastic. Similarly, any other arbitrary material is conceivable which has the stiffness and strength required for pressure-carrying coupling parts.
- the service brake chamber 38 is vented via the pressure medium connection 56 for applying the service brake, whereupon on the one hand the service brake piston 6 is moved away from the partition wall 28 to the left , The displacement of the service brake piston 6 causes the disc brake is applied.
- bleeding the service brake chamber 38 ensures that the service brake piston 6 is displaced to the right by the return spring 40 in the release position, ie to the right in FIG. 1 and abuts against the end face of the spring brake piston rod 24 or on the partition wall 28.
- the spring brake chamber 14 is vented, whereupon the accumulator spring 16 urges the spring brake piston 18 together with the spring brake piston rod 24 in Fig.1 to the left, which is the front side with the service brake piston 6 in contact. This movement is followed by the service brake piston 6 and the service brake disk rod 8 which is coupled thereto and which brings or holds the disk brake in the application position.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
- Braking Systems And Boosters (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0806502-0A2A BRPI0806502A2 (pt) | 2007-01-12 | 2008-01-11 | Cilindro de freio de serviço e de freio mola acumuladora combinado com acoplamento de conexão de meio de pressão |
MX2009006901A MX2009006901A (es) | 2007-01-12 | 2008-01-11 | Cilindro de freno de servicio y de freno por resorte acumulador combinados comprendiendo acoplamiento de conexion para medio de presion. |
EP08701421A EP2109561A1 (de) | 2007-01-12 | 2008-01-11 | Kombinierter betriebsbrems- und federspeicherbremszylinder mit druckmittelanschlusskupplung |
JP2009545184A JP2010515866A (ja) | 2007-01-12 | 2008-01-11 | 圧力媒体接続継手を備える組み合わされた常用ブレーキシリンダ及び蓄力ばね式ブレーキシリンダ |
CA002675319A CA2675319A1 (en) | 2007-01-12 | 2008-01-11 | Combined service brake and spring brake cylinder comprising a connection coupling for a pressure medium |
US12/500,954 US20100007202A1 (en) | 2007-01-12 | 2009-07-10 | Combined Service Brake and Spring Brake Cylinder Comprising a Connection Coupling for a Pressure Medium |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007001874.8 | 2007-01-12 | ||
DE102007001874A DE102007001874A1 (de) | 2007-01-12 | 2007-01-12 | Kombinierter Betriebsbrems- und Federspeicherbremszylinder mit Druckmittelanschlusskupplung |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/500,954 Continuation US20100007202A1 (en) | 2007-01-12 | 2009-07-10 | Combined Service Brake and Spring Brake Cylinder Comprising a Connection Coupling for a Pressure Medium |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008084090A1 true WO2008084090A1 (de) | 2008-07-17 |
Family
ID=39494863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/050277 WO2008084090A1 (de) | 2007-01-12 | 2008-01-11 | Kombinierter betriebsbrems- und federspeicherbremszylinder mit druckmittelanschlusskupplung |
Country Status (10)
Country | Link |
---|---|
US (1) | US20100007202A1 (de) |
EP (1) | EP2109561A1 (de) |
JP (1) | JP2010515866A (de) |
KR (1) | KR20090097944A (de) |
CN (1) | CN101578210A (de) |
BR (1) | BRPI0806502A2 (de) |
CA (1) | CA2675319A1 (de) |
DE (1) | DE102007001874A1 (de) |
MX (1) | MX2009006901A (de) |
WO (1) | WO2008084090A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9701294B2 (en) | 2015-08-25 | 2017-07-11 | Bendix Spicer Foundation Brake Llc | Pull style double diaphragm spring brake actuator |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8322203U1 (de) * | 1983-08-02 | 1985-05-09 | Armaturenfabrik Hermann Voss GmbH + Co, 5272 Wipperfürth | Verbindungsvorrichtung für Druckleitungen |
DE3503216A1 (de) * | 1985-01-31 | 1986-08-07 | Robert Bosch Gmbh, 7000 Stuttgart | Bremszylinder |
WO2004036103A1 (de) * | 2002-10-10 | 2004-04-29 | Voss Automotive Gmbh | Aufnahmeteil einer fluid-steckverbindung |
-
2007
- 2007-01-12 DE DE102007001874A patent/DE102007001874A1/de not_active Withdrawn
-
2008
- 2008-01-11 KR KR1020097015466A patent/KR20090097944A/ko not_active Application Discontinuation
- 2008-01-11 MX MX2009006901A patent/MX2009006901A/es not_active Application Discontinuation
- 2008-01-11 JP JP2009545184A patent/JP2010515866A/ja active Pending
- 2008-01-11 WO PCT/EP2008/050277 patent/WO2008084090A1/de active Application Filing
- 2008-01-11 EP EP08701421A patent/EP2109561A1/de not_active Withdrawn
- 2008-01-11 CA CA002675319A patent/CA2675319A1/en not_active Abandoned
- 2008-01-11 CN CNA2008800020652A patent/CN101578210A/zh active Pending
- 2008-01-11 BR BRPI0806502-0A2A patent/BRPI0806502A2/pt not_active IP Right Cessation
-
2009
- 2009-07-10 US US12/500,954 patent/US20100007202A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8322203U1 (de) * | 1983-08-02 | 1985-05-09 | Armaturenfabrik Hermann Voss GmbH + Co, 5272 Wipperfürth | Verbindungsvorrichtung für Druckleitungen |
DE3503216A1 (de) * | 1985-01-31 | 1986-08-07 | Robert Bosch Gmbh, 7000 Stuttgart | Bremszylinder |
WO2004036103A1 (de) * | 2002-10-10 | 2004-04-29 | Voss Automotive Gmbh | Aufnahmeteil einer fluid-steckverbindung |
Also Published As
Publication number | Publication date |
---|---|
MX2009006901A (es) | 2009-07-07 |
CN101578210A (zh) | 2009-11-11 |
EP2109561A1 (de) | 2009-10-21 |
DE102007001874A1 (de) | 2008-07-24 |
US20100007202A1 (en) | 2010-01-14 |
KR20090097944A (ko) | 2009-09-16 |
JP2010515866A (ja) | 2010-05-13 |
CA2675319A1 (en) | 2008-07-17 |
BRPI0806502A2 (pt) | 2014-04-22 |
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