DE2550688A1 - PARTIAL DISC BRAKE - Google Patents
PARTIAL DISC BRAKEInfo
- Publication number
- DE2550688A1 DE2550688A1 DE19752550688 DE2550688A DE2550688A1 DE 2550688 A1 DE2550688 A1 DE 2550688A1 DE 19752550688 DE19752550688 DE 19752550688 DE 2550688 A DE2550688 A DE 2550688A DE 2550688 A1 DE2550688 A1 DE 2550688A1
- Authority
- DE
- Germany
- Prior art keywords
- brake
- disc
- pads
- partially lined
- caliper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
-
- 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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
- F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
- F16D55/226—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
-
- 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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D2055/0004—Parts or details of disc brakes
- F16D2055/005—Brakes straddling an annular brake disc radially internally
-
- 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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D2055/0075—Constructional features of axially engaged brakes
- F16D2055/0091—Plural actuators arranged side by side on the same side of the rotor
-
- 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
- F16D2125/18—Mechanical mechanisms
- F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
- F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
- F16D2125/36—Helical cams, Ball-rotating ramps
-
- 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
- F16D2125/18—Mechanical mechanisms
- F16D2125/58—Mechanical mechanisms transmitting linear movement
- F16D2125/60—Cables or chains, e.g. Bowden cables
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Description
79 'Jln/Don-u, ien 3. November 1975 Unser Zeichen: MD. 10/75 KXR-Dah79 'Jln / Don-u, ien November 3, 1975 Our reference: MD. 10/75 KXR-Dah
Teilbelag-ScheibenbremsePartially lined disc brake
Die Erfindung betrifft eine Teilbelagscheibenbremse für Fahrzeuge, insbesondere Lastwagen, deren Bremsscheibe mit ihrem äußeren Umfang an der Radnabe eines Fahrzeuges befestigt ist und an deren stirnseitigen Eremsflächen Bremsklötze anliegen, die gemeinsam in einem Bremssattel gehalten sind, der die Scheibe innen umgreift und der an einem Bremsträger abgestützt ist.The invention relates to a partially lined disc brake for vehicles, especially trucks whose brake disc with their outer circumference is attached to the wheel hub of a vehicle and brake pads rest on the front brake surfaces, which are held together in a brake caliper which engages around the inside of the disc and which is supported on a brake carrier.
Bei einer bekannten Teilbelag-Scheibenbremse der genannten Art (GB-PS 85ΟΟ53) ist der Bremssattel über einen Halter starr am Bremsträger abgestützt. Weiterhin ist diese Bremse so ausgebildet, dass die Bremsscheibe gegenüber der Bremsnabe nur in Umfangsrichtung sicher geführt ist. Hierdurch ergibt sich der Nachteil, dass die Bremsklötze unterschiedliche Bremskräfte erzeugen und dadurch bedingt ungleichmäßig verschleißen. Ausserdem besteht die Gefahr, dass sich die Bremsscheibe durch die unterschiedlichen Druckkräfte der Bremsklötze verbiegt und so eine Unwucht in der Radaufhängung erzeugt.In a known partially lined disc brake of the type mentioned (GB-PS 85ΟΟ53), the brake caliper is rigidly on a holder Brake carrier supported. Furthermore, this brake is designed so that the brake disc with respect to the brake hub only in Circumferential direction is safely performed. This has the disadvantage that the brake pads have different braking forces and therefore wear unevenly. Besides that there is a risk that the brake disc will bend due to the different pressure forces of the brake pads and so on creates an imbalance in the suspension.
Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, die bekannte Teilbelag-Scheibenbremse so zu verbessern, dass ihre Nachteile vermieden werden.Proceeding from this prior art, the invention is based on the object of providing the known partially lined disc brake in this way improve so that their disadvantages are avoided.
709821 /0018709821/0018
, MD 10/75, MD 10/75
Die Aufgabe ist erfindungsgemäß dadurch gelöst, dass die Bremsklötze im Bremssattel in radialer Richtung und in Umfangsrichtung der Bremsscheibe fixiert sind und zusammen mit dem Bremssattel ein Bremselement bilden, das am Bremsträger mit Spiel .beweglich aufgehängt ist, wobei zur Verstärkung der Bremskraft an der Bremsscheibe ein weiteres Bremselement angeordnet ist, das dem ersten Bremselement gegenüber liegt.The object is achieved according to the invention in that the brake pads are fixed in the brake caliper in the radial direction and in the circumferential direction of the brake disc and together with the brake caliper Form a braking element, which is suspended on the brake carrier with play .movably, whereby to increase the braking force on the Brake disk a further brake element is arranged, which is opposite to the first brake element.
Die Teilbelag-Scheibenbremse nach der Erfindung hat den Vorteil., einer beweglichen Lagerung des Bremselementes gegenüber der Bremsscheibe, die vorhandene Winkelabweichungen oder andere Fertigungsfehler zwischen diesen Teilen ausgleicht. Die Bremsklötze können sich ohne Zwang unter gleichmäßigem Druck gegen die Bremsscheibe anlegen. Hierdurch erreicht man gleichen Verschleiß der Bremsklötze und vermeidet ein Verbiegen der Bremsscheibe.The partially lined disc brake according to the invention has the advantage of a movable mounting of the brake element relative to the brake disc, which compensates for existing angular deviations or other manufacturing errors between these parts. The brake pads can Lean against the brake disc without forcing it under even pressure. This results in the same wear on the brake pads and avoids bending the brake disc.
In weiterer Ausgestaltung der Erfindung wird vorgeschlagen, dass zur beweglichen Lagerung des Bremselementes die Bremsklötze Halter aufweisen, die mit Spiel an Bolzen aufgehängt sind, die ihrerseits im Bremsträger gelagert sind.In a further embodiment of the invention, it is proposed that for the movable mounting of the braking element, the brake pads should be holders have, which are suspended with play on bolts, which in turn are mounted in the brake carrier.
Nach einem anderen Gedanken der Erfindung erfolgt die Befestigung der Bremsscheibe durch Schrauben, die radial von aussen in die Bremsscheibe eingesetzt' sind. Dabei ist es zweckmäßig, dass zur Befestigung der Bremsscheibe Schrauben mit zylinderförmigen Schraubenköpfen vorgesehen sind, die mit Päßsitz in Bohrungen der Nabe geführt sind.According to another idea of the invention, the fastening of the brake disc is carried out by screws, which radially from the outside into the Brake disc inserted 'are. It is useful that for fastening the brake disc screws with cylindrical Screw heads are provided with a snug fit in the holes Hub are guided.
709821/0018709821/0018
MAQIRUS-DEUTZAQ . ^ „ 3. 11. 1975 MAQIRUS-DEUTZAQ . ^ " November 3, 1975
-. MD 10/75-. MD 10/75
Im Rahmen der Erfindung ist es vorteilhaft, wenn die Bremsklötze an einer Seite des Bremssattels mittels Schrauben befestigt sind, wobei die an den Bremskolben anliegenden Bremsklötze mittels Stiften gegenüber dem Bremssattel fixiert sind.In the context of the invention, it is advantageous if the brake pads are attached to one side of the brake caliper by means of screws, wherein the brake pads resting on the brake piston are fixed in relation to the brake caliper by means of pins.
Um eine einfache mechanische Betätigung der beiden Bremselemente, z.B. mittels Seilzug zur erreichen, sind gemäß einem anderen Vorschlag der Erfindung beide Bremselemente durch eine bügeiförmige Lasche miteinander verbunden sind, die über Bolzen an den Bremssätteln aufgehängt sind. Hierdurch ist es möglich, die von dem Seilzug auf die Bremselemente ausgeübten Kräfte in einfacher Weise gegeneinander abzustützen.To enable simple mechanical actuation of the two brake elements, To achieve e.g. by means of a cable pull, according to another proposal of the invention, both brake elements are connected to one another by a bow-shaped bracket, which is connected to by bolts are suspended from the calipers. This makes it possible to control the forces exerted by the cable on the braking elements in a more simple manner Way to support each other.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt. Es zeigen:An embodiment of the invention is shown in the drawing. Show it:
Fig. 1 die erfindungsgemäße Teilbelag-Scheibenbremse in der Vorderansicht,Fig. 1 shows the partially lined disc brake according to the invention in the Front view,
Fig. 2 die Teilbelag-Scheibenbremse in einer Seitenansicht im Halbschnitt nach der Linie II-II aus Fig. 1,2 shows the partially lined disc brake in a side view in half section along the line II-II from Fig. 1,
Fig. 3 die Teilbelag-Scheibenbremse in einer Draufsicht und in einem teilweisen Querschnitt.3 shows the partially lined disc brake in a plan view and in a partial cross section.
709821 /0018709821/0018
MAQIRUS-DEUTZAQ -λ'- MAQIRUS-DEUTZAQ -λ'- 3. .11. 19753. .11. 1975
& MD 10/75& MD 10/75
Auf einem Achskörper 1 ist eine Radnabe 2 über geeignete Wälzlager 3 drehbar gelagert. Die Radnabe 2 hat zwei sich gegenüberliegende und glockenartig ausgebildetet Stegabschnitte 4, 4a. Die Stegabschnitte 4, 4a umgreifen aussen eine Bremsscheibe 5, die über radial von aussen in die Bremsscheibe 5 eingesetzte Schrauben 6 an den Stegen 4, 4a der Radnabe 2 gehalten ist. Alle Schrauben 6 haben zylinderförmige Schraubenköpfe 7, die mit Paßsitz in Bohrungen 8 der Stege 4 und Ha geführt sind. Diese Befestigungsart sichert eine genaue Führung der Bremsscheibe 5 gegenüber der Nabe und ist außerdem in der Lage, Längenänderungen der Bremsscheibe infolge von Wärmespannungen auszugleichen. Die Bremskräfte werden durch Bremsklötze 9, 9a erzeugt, die in einem Bremssattel 10 angeordnet sind und hydraulisch über Druckkolben 11 gegen beide Bremsflächen der Bremsscheibe 5 gedrück werden. Der Bremssattel 10 ist so ausgebildet, dass er die Bremsscheibe 5 von innen zangenartig umgreift.A wheel hub 2 is rotatably mounted on an axle body 1 via suitable roller bearings 3. The wheel hub 2 has two bell-shaped web sections 4, 4a that lie opposite one another. The web sections 4, 4a encompass a brake disk 5 on the outside, which is held on the webs 4, 4a of the wheel hub 2 by means of screws 6 inserted radially from the outside into the brake disk 5. All screws 6 have cylindrical screw heads 7 which are guided with a snug fit in bores 8 of the webs 4 and Ha . This type of fastening ensures precise guidance of the brake disc 5 with respect to the hub and is also able to compensate for changes in length of the brake disc as a result of thermal stresses. The braking forces are generated by brake pads 9, 9a, which are arranged in a brake caliper 10 and are pressed hydraulically via pressure pistons 11 against both braking surfaces of the brake disc 5. The brake caliper 10 is designed in such a way that it engages around the brake disc 5 from the inside in the manner of pliers.
Erfindungsgemäß ist vorgesehen, dass die Bremsklötze 9, 9a im Bremssattel 10 sowohl in Umfangsrichtung der Bremsscheibe 5 als auch in radialer Richtung fixiert sind. Dies erfolgt beispielsweise dadurch, dass der Druckkolben 11 an seiner Stirnseite Stifte 12 hat, die in Bohrungen der Bremsklötze 9 eingreifen. Die dem Druckkolben 11 gegenüberliegenden Bremsklötze 9a sind beispielsweise durch Schrauben 13 am Bremssattel 10 befestigt, Bremsklötze 9, 9a und Bremssattel 10 bilden zusammen ein Bremselement 14, das mit Spiel allseitig beweglich an einem Brems-According to the invention it is provided that the brake pads 9, 9a in the brake caliper 10 both in the circumferential direction of the brake disk 5 and are fixed in the radial direction. This takes place, for example, in that the pressure piston 11 is on its end face Has pins 12 which engage in holes in the brake pads 9. The brake pads 9a opposite the pressure piston 11 are for example fastened to the brake caliper 10 by screws 13, the brake pads 9, 9a and the brake caliper 10 together form a braking element 14, which is movable on all sides with play on a brake
709821/0018709821/0018
MAQIRUS-DEUrZAQ - *r - MAQIRUS-DEUrZAQ - * r - 3. 11. 1975November 3, 1975
S- MD 10/75S- MD 10/75
träger 15 aufgängt ist. Zu diesem Zweck haben die Bremsklötze beiderseits des Bremssattels 10 überstehende Halter 16, die über Bolzen 17 leicht lösbar am Bremsträger 15 angebracht sind. Zur Erhöhung der Bremskraft ist dem Bremselement I1I ein weiteres Bremselement 18 zugeordnet. Das Bremselement 18 ist ebenfalls über Halter 16 und Bolzen 17 am Bremsträger 15 gelagert.carrier 15 is suspended. For this purpose, the brake pads have protruding holders 16 on both sides of the brake caliper 10, which are attached to the brake carrier 15 in an easily detachable manner via bolts 17. To increase the braking force, the braking element I 1 I is assigned a further braking element 18. The braking element 18 is also mounted on the brake carrier 15 via a holder 16 and bolts 17.
Die Bremsklötze 9» 9a können unabhängig von der hydraulischen Bremsbetätigung über eine mechanische Feststellbremse gegen die Bremsscheibe 5 gedrück werden. Die mechanische Feststellbremse hat ein Bremsseil 19, das gleichzeitig beide Bremselemente l4,l8 betätigt. Um zu verhindern, dass dabei die entstehenden Druckkräfte von beiden Bremselementen I1J, 18 aufgenommen werden müssen, ist eine bügeiförmige Lasche 20 über Bolzen 21 an beiden Bremssätteln 10 aufgehängt.The brake pads 9 »9a can be pressed against the brake disk 5 via a mechanical parking brake, independently of the hydraulic brake actuation. The mechanical parking brake has a brake cable 19 which simultaneously actuates both brake elements l4, l8. In order to prevent the pressure forces that arise from having to be absorbed by both brake elements I 1 J, 18, a bow-shaped bracket 20 is suspended from both brake calipers 10 via bolts 21.
Das Auswechseln der Bremsklötze 9» 9a erfolgt in der Weise, dass zuerst die Bolzen 17 der Halter 16 vom Bremsträger 15 gelöst werden. Damit sind die Bremsklötze 9, 9a und der Bremssattel (Bremselement lh) nicht mehr mit dem Bremsträger 15 verbunden. Anschliessend werden die Schrauben 13 an den Bremsklötzen 9a entfernt und die Bremsklötze 9a nach aussen weggezogen. Danach wird der Bremssattel 10 seitlich verschoben und die dem Brems-.kolben 11 zugeordneten Bremsklötze 9 ebenfalls nach aussen von den Stiften 12 abgezogen. Die Montage der neuen Bremsklötze erfolgt in umgekehrter Reihenfolge.The brake pads 9 »9a are exchanged in such a way that the bolts 17 of the holders 16 are first released from the brake carrier 15. The brake pads 9, 9a and the brake caliper (brake element 1h) are no longer connected to the brake carrier 15. The screws 13 on the brake pads 9a are then removed and the brake pads 9a pulled outward. Thereafter, the brake caliper 10 is shifted laterally and the brake pads 9 assigned to the brake piston 11 are also pulled outward from the pins 12. The assembly of the new brake pads is done in reverse order.
709821/0018709821/0018
L e e r s eR e r s e
iteite
Claims (7)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752550688 DE2550688A1 (en) | 1975-11-12 | 1975-11-12 | PARTIAL DISC BRAKE |
FR7633991A FR2331716A1 (en) | 1975-11-12 | 1976-11-10 | PARTIAL LUG DISC BRAKES |
GB4680976A GB1525800A (en) | 1975-11-12 | 1976-11-10 | Disc brake |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752550688 DE2550688A1 (en) | 1975-11-12 | 1975-11-12 | PARTIAL DISC BRAKE |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2550688A1 true DE2550688A1 (en) | 1977-05-26 |
Family
ID=5961494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19752550688 Withdrawn DE2550688A1 (en) | 1975-11-12 | 1975-11-12 | PARTIAL DISC BRAKE |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2550688A1 (en) |
FR (1) | FR2331716A1 (en) |
GB (1) | GB1525800A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4757883A (en) * | 1985-10-03 | 1988-07-19 | Alfred Teves Gmbh | Brake disc arrangement, in particular for an internally straddling disc brake for automotive vehicles |
-
1975
- 1975-11-12 DE DE19752550688 patent/DE2550688A1/en not_active Withdrawn
-
1976
- 1976-11-10 FR FR7633991A patent/FR2331716A1/en active Granted
- 1976-11-10 GB GB4680976A patent/GB1525800A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4757883A (en) * | 1985-10-03 | 1988-07-19 | Alfred Teves Gmbh | Brake disc arrangement, in particular for an internally straddling disc brake for automotive vehicles |
Also Published As
Publication number | Publication date |
---|---|
FR2331716A1 (en) | 1977-06-10 |
GB1525800A (en) | 1978-09-20 |
FR2331716B1 (en) | 1980-04-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8141 | Disposal/no request for examination |