DE684556C - Hydraulic brake for vehicles - Google Patents
Hydraulic brake for vehiclesInfo
- Publication number
- DE684556C DE684556C DED73725D DED0073725D DE684556C DE 684556 C DE684556 C DE 684556C DE D73725 D DED73725 D DE D73725D DE D0073725 D DED0073725 D DE D0073725D DE 684556 C DE684556 C DE 684556C
- Authority
- DE
- Germany
- Prior art keywords
- brake
- piston
- brake shoes
- cylinders
- pressure
- 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.)
- Expired
Links
Classifications
-
- 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
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/10—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes
- F16D51/14—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes fluid actuated
-
- 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
- F16D65/02—Braking members; Mounting thereof
- F16D2065/024—Braking members; Mounting thereof the braking surface being inclined with respect to the rotor's axis of rotation at an angle other than 90 degrees, e.g. comprising a conical rotor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Description
' Es ist eine hydraulische Bremse für Fahrzeuge bekannt, bei der mehrere Paare von nebeneinander angeordneten, gegebenenfalls kegeligen Bremsschuhen an zugehörige innere Bremsflächen eines umschließenden Gehäuses des Rades mittels radialer, von einem sternförmigen festen Nabenkörper getragener Kolbentriebe anlegbar ,sind.'There is a hydraulic brake for vehicles known in which several pairs of juxtaposed, possibly tapered brake shoes to associated inner ones Braking surfaces of an enclosing housing of the wheel by means of radial, from a star-shaped fixed hub body supported piston drives can be applied.
Gegenüber dieser bekannten Bremse be· steht das Neue darin, daß der feste, unverdrehbare Sternkörper neben den Druckkammern nebst Zylindern und Kolben parallel zu den Kolbenscheiben sich erstreckende ebene Gleitflächen trägt, in denen entgegen dem Kolbendruck durch zwischen den Führungen angeordnete Federn abgefederte Verbindungsjoche (Querbänder) der Bremsschuhpaare geführt sind.What is new compared to this known brake is that the fixed, non-rotatable brake Star body next to the pressure chambers together with cylinders and pistons extending parallel to the piston disks carries flat sliding surfaces, in which against the piston pressure through between the guides arranged springs sprung connecting yokes (transverse bands) of the brake shoe pairs are led.
Dabei enthält bei einer Bremse, bei der der Sternkörper in bekannter Weise die Böden der Druckkammer bildet und die Zylinder eingeschraubt trägt, der kappenförmige Zylinder im Boden ein Widerlager für das eine Ende der dem Kolben entgegenwirkenden Rückdruckfeder und ferner im Kappenboden ein Durchgangsloch, durch das die am Querband des Bremsschuhpaares angreifende Kolbenstange hindurchgeht.In a brake in which the star body contains the floors in a known manner which forms the pressure chamber and carries the cylinder screwed in, the cap-shaped cylinder in the bottom an abutment for one end of the back pressure spring counteracting the piston and also in the cap bottom a through hole through which the piston rod engaging the cross band of the pair of brake shoes passes through.
Der durch diese Anordnung erzielte Vorteil besteht darin, daß eine einfache undwirtschaftlich vorteilhaft herzustellende Bremse geschaffen wird, bei welcher eine gleichförmige und gleichmäßige Abnutzung der Bremsschuhpaare stattfindet. Es wird ein kräftiger Aufbau erhalten, der besonders für diejenigen Bremsräder geeignet ist, die einen kleinen Durchmesser mit Rücksicht auf die Größe der allgemein verwendeten Ballonreifen haben, ohne daß der Gesamtdurchmesser des Rades und des Reifens eine Erhöhung erfahren darf.The advantage achieved by this arrangement is that a simple and economical Is created advantageously to be produced brake, in which a uniform and uniform wear of the brake shoe pairs takes place. A strong structure is obtained, which is especially good for those brake wheels is suitable that have a small diameter with regard to the The size of the commonly used balloon tires without affecting the overall diameter of the wheel and the tire may experience an increase.
Die Zeichnung zeigt Ausführungsbeispiele der Erfindung. Es zeigen:The drawing shows exemplary embodiments of the invention. Show it:
Fig. ι einen Querschnitt nach Linie 1-1 der Fig. 2,Fig. Ι a cross section along line 1-1 of Fig. 2,
Fig. 2 einen Querschnitt, teilweise in Ansicht, im wesentlichen nach Linie 2-2 der Fig. ι undFig. 2 is a cross-section, partially in elevation, taken substantially along line 2-2 of FIG Fig. Ι and
Fig. 3 einen Querschnitt durch einen Teil eines Bremsschuhes.3 shows a cross section through part of a brake shoe.
Gleiche Bezugszeichen sind durchgehend verwendet, um gleiche Teile zu bezeichnen.The same reference numbers are used throughout to refer to the same parts.
Ein ein Lenkrad tragender Achsstummel l ist an einer Achse 2 mittels eines Bolzens 3 schwenkbar gelagert. Auf dem Achsstummel 2 ist ein Sternkörper 4 unverdrehbar be-An axle stub 1 carrying a steering wheel is attached to an axle 2 by means of a bolt 3 pivoted. A star body 4 is non-rotatable on the stub axle 2.
Claims (1)
. Die Wirkungsweise ist folgende: Die Druckflüssigkeit gelangt durch die Kanäle 2 i, 22 in die Druckkammer 5 und drückt die Membranen 14 nach außen. Diese Auswärtsbewegung bewirkt gleichzeitig die Belegung der Kolben 16, die an den Brems-"sfchuhen durch Bolzen 18 und Querbänder 11 befestigt sind. Die Bremsschuhe werden infolgedessen nach außen bewegt und drücken auf die Bremstrommeln 6. Wenn die Druckflüssigkeit entlastet ist, drücken die Federn zwischen den Zylindern 12 und den KoI- Ro ben derart, daß sich die Kolben nach innen bewegen und somit die Bremsschuhe außer Eingriff mit den Bremstrommeln kommen.In the space between each pressure chamber 5 and its cylinder 12 there is accommodated a reciprocating piston 16 with a stepped bottom which engages in the double-cup-shaped membranes 14. Each piston has an integral with it axially extending pin 17 which extends through 3 <> an opening of the cylinder 12 and which is fastened by a bolt 18 to the transverse band 11 of a pair of brake shoes. A pressurized coil spring 19 surrounds the pin 17 'and engages the piston 6 and the cylinder 12 defart that it presses the piston in the direction of the stub axle ι. Opposite end faces of the transverse belt Π are guided by parallel guides S ″ which form continuations of the wall of the pressure chamber 5. In the stub axle, a channel 20 is provided which can be connected to a pressure fluid source the channel 20 and establish the connection between this channel and the pressure chambers 5. A valve 23 for draining off the liquid is provided on the channel.
. The mode of operation is as follows: The pressure fluid passes through the channels 2 i, 22 into the pressure chamber 5 and presses the membranes 14 outwards. This outward movement simultaneously causes the pistons 16 to be occupied, which are fastened to the brake shoes by bolts 18 and crossbands 11. The brake shoes are consequently moved outward and press on the brake drums 6. When the pressure fluid is relieved, the springs press between them the cylinders 12 and the piston in such a way that the pistons move inward and thus the brake shoes disengage from the brake drums.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED73725D DE684556C (en) | 1936-10-21 | 1936-10-21 | Hydraulic brake for vehicles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED73725D DE684556C (en) | 1936-10-21 | 1936-10-21 | Hydraulic brake for vehicles |
Publications (1)
Publication Number | Publication Date |
---|---|
DE684556C true DE684556C (en) | 1939-11-30 |
Family
ID=7061463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DED73725D Expired DE684556C (en) | 1936-10-21 | 1936-10-21 | Hydraulic brake for vehicles |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE684556C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1230270B (en) * | 1963-08-06 | 1966-12-08 | Willi Zeidler | Back and readjustment device for the brake shoe of a friction brake |
-
1936
- 1936-10-21 DE DED73725D patent/DE684556C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1230270B (en) * | 1963-08-06 | 1966-12-08 | Willi Zeidler | Back and readjustment device for the brake shoe of a friction brake |
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