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
  • F16D65/00—Parts or details
  • F16D65/0006—Noise or vibration control
• • 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
  • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
  • F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging 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
  • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
  • F16D66/02—Apparatus for indicating wear
• • 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
  • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
  • F16D69/04—Attachment of linings
• • 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
  • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
  • F16D69/04—Attachment of linings
  • F16D2069/0425—Attachment methods or devices
  • F16D2069/0441—Mechanical interlocking, e.g. roughened lining carrier, mating profiles on friction material and lining carrier
• • 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
  • F16D2250/00—Manufacturing; Assembly
  • F16D2250/0084—Assembly or disassembly

Definitions

• the invention relates to a drum brake shoe having a lining carrier and a friction lining fixed to the lining carrier, wherein at least one damping component is arranged between the lining carrier (2) and the friction lining.
• the invention also relates to a lining set for, in particular subsequent production of a drum brake shoe according to the invention and a method for producing a drum brake shoe.
• drum brakes especially after being retracted, develop loud brake noise during braking. These are mostly annoying
• a damping device for reducing squeaking noises on vehicle brakes in which a damping means is provided in the form of a mass which is resiliently limited frictionally limited sliding against the brake shoe or pressed with this connected parts.
• a vibration-damped brake shoes for a bus drum brake with an arcuate lining carrier on which with the interposition of a friction layer, a reaction mass is attached, which is attached to the radially inwardly facing peripheral surface of the lining carrier known.
• a viscoelastic layer with high internal damping is arranged between the friction layer and the reaction mass and / or the peripheral surface of the lining carrier.
• Brake shoe has a brake lining which adapts to the friction surface of the brake drum, wherein the cross section of the brake lining which is parallel to the axis of rotation of the brake drum has a spring constant which changes in the cross-sectional direction.
• Brake shoe a damping, preferably already vulcanized layer
• a brake pad mixture for example in the form of granules, is pressed onto the brake shoe, whereby the brake pad is formed and fixed on the brake shoe and on the damping layer.
• Automobile drum brake comprising a metallic brake shoe known. Sideways grooves are provided on the inner diameter of the pad, into which sound absorbing segments of elastomer are inserted, the thickness of the sound absorbing segments being equal to the depth of the grooves.
• EP 0 849 488 A1 discloses a brake shoe consisting of a lining carrier and a friction lining as well as an intermediate layer arranged between the friction lining and the lining carrier as a damping element for avoiding friction squeaking.
• Interlayer is made of a on the one hand the friction squeaking in braking mode damping and on the other hand when reaching the wear limit alarm sound generating material mixture produced.
• the damping member is at least partially disposed in a recess of the friction lining and / or in a recess of the lining carrier and is clamped between the lining carrier and the friction lining. It is a further object of the present invention to provide a lining set which makes it possible to produce a drum brake shoe according to the invention in the retrofit process.
• Pad carrier is clamped, wherein the friction lining and / or the lining carrier (2) has a recess in which the damping component is at least partially, in particular form-fitting, position ierbar contains. Moreover, it is a further object of the present invention to provide a method of manufacturing a drum brake shoe that is optimized for reduced noise.
• a brake noise formation can be particularly greatly reduced in particular in that the damping component is clamped between the lining carrier and the friction lining and / or in that the friction lining under compression of the damping component, ie against the internal forces, the damping component in try to bring his original form to the
• the damping component is arranged in a sense initially as a spacer between the lining carrier and the friction lining, and that subsequently the friction lining - especially on both sides of the damping component and at this spaced mounting points - attached to the lining carrier, in particular riveted, is.
• the friction lining a
• Embodiment requires substantially less material, it is provided that the damping component covers only a portion of the friction lining facing side of the lining carrier and / or that the damping component covers only a portion of the lining carrier facing side of the friction lining.
• the damping component is rod-shaped.
• the damping component is arranged centrally between two attachment points, in particular between two rivet connections between the lining carrier and the friction lining.
• the damping component rests against a small part of the friction lining facing side of the lining carrier and on a small part of the lining carrier facing side of the friction lining. This part may be less than 20%, in particular less than 10%, of the respective page.
• the damping component is arranged at least partially in a recess of the friction lining and / or in a recess of the lining carrier.
• the damping component positively and at least partially in a recess of the friction lining and / or in a
• such an embodiment has the particular advantage that the recesses already indicate to the fitter in which position and / or in which position the damping component is to be inserted. As a result, the risk of incorrect installation is avoided in an advantageous manner.
• such an embodiment has the further advantage that the damping component between the lining carrier and the friction lining, in particular can absorb thrust forces occurring during a braking operation. This is especially true when the damping component - for example, designed as a rod - in terms its longitudinal extent is arranged transversely to the direction of the thrust forces occurring during a braking operation between the lining carrier and the friction lining.
• the aforementioned embodiment has the additional advantage that it can be dispensed with part of the connecting elements, in particular rivets - to set the friction lining on the lining carrier.
• the friction lining can then be riveted on, using the remaining bores in the lining carrier if necessary, by clamping the damping element.
• peripheral holes are used in the lining carrier for riveting the friction lining, while intermediate holes are used for fastening the damping element.
• the damping component consists at least partially of cork.
• cork is cheap, for example in the form of pressed cork granules, available, and that cork is also very temperature resistant and does not flow. Cork returns to its original shape even after a very long compressive stress.
• the damping component has at least one elastomer.
• the damping component is assembled from a plurality of components, in particular glued together.
• the damping element consists of a dimensionally stable support, such as a metal rail or a metal plate, and an elastic damping element.
• the damping element can, for example, as Cork layer or be formed as an elastomer layer which is attached to the carrier, in particular glued to this.
• dimensionally stable carrier has the particular advantage that on and / or in the carrier fasteners, such as threaded holes, such as threaded holes can be easily and reliably provided in order to determine the damping component on the lining carrier - for example by means of screw.
• the damping component with at least one connecting element is fixed to the lining carrier.
• the connecting element can extend radially through the lining carrier.
• the damping member may consist of a metal plate which is provided with an approximately 3 mm thick damping element, wherein when riveting the friction lining, the damping member is compressed by about 1 mm.
• a drum brake shoe according to the invention can also be produced by retrofitting or retooling an existing brake shoe-in particular if the original friction lining is already worn and needs to be replaced.
• a lining set is used according to the invention, which - as already stated, a friction lining and at least one
• Damping component to be arranged between the friction lining and the lining carrier, in particular clamp is.
• the parts of the covering set such as the friction lining and the damping component, may have the additional features described above with regard to the drum brake shoe according to the invention, such as a recess for the damping component and / or special embodiments of the damping component.
• Drum brake particularly advantageous, the at least one inventive Has drum brake shoe and / or which is equipped with at least one coating set according to the invention and / or which is produced by the method according to the invention.
• Fig. 1 is a cross-sectional view of an embodiment of a
• Fig. 2 is a detail view of an embodiment of a
• drum brake shoe according to the invention in plan view. 1 shows an embodiment of a drum brake shoe 1 according to the invention with a lining carrier 2 and a friction lining 3 fixed to the lining carrier.
• the lining carrier 2 is in the form of a bent T-beam with a flange 4 and a web 5.
• the friction lining 3 is fixed by means of rivet joints 6 on the lining carrier 2.
• a damping component 7 Located between the lining carrier 2 and the friction lining 3 is a damping component 7, which is fastened by means of screws 8 which extend through a bore of the lining carrier 2 to the lining carrier.
• the damping component 7 consists of a, preferably metallic, carrier and a glued-on damping element 10, namely a cork layer.
• the carrier 9 threaded holes 1 1 are incorporated for the screws 8.
• the damping component 7 is located in a recess 12, namely in an elongated groove in the friction lining 3. However, the depth of the recess 12
• the damping component is elongate and arranged in an elongate recess of the friction lining 3.
• the longitudinal extent of the damping component is arranged transversely to the direction of occurring during a braking operation between the lining carrier 2 and the friction lining 3 tangential shear forces.
• the damping component is firmly connected on the one hand by means of screws 8 with the lining carrier 2, and on the other hand positively inserted into the elongated recess 12 of the friction lining 3, any tangential shear forces occurring can be absorbed by the damping component.
• holes 8 are used in the lining carrier 2 for the screws, which were originally intended for riveting conventional friction linings without damping component.

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Braking Arrangements (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=48534392

Family Applications (1)

Country Status (5)

Families Citing this family (3)

Citations (1)

Family Cites Families (18)

• 2012
  • 2012-05-30 DE DE102012104666A patent/DE102012104666A1/de not_active Withdrawn
• 2013
  • 2013-05-28 WO PCT/EP2013/060922 patent/WO2013178605A1/de active Application Filing
  • 2013-05-28 CN CN201380025101.8A patent/CN104285072A/zh active Pending
  • 2013-05-28 EP EP13725371.2A patent/EP2815145A1/de not_active Withdrawn
  • 2013-05-28 US US14/541,752 patent/US20160017943A1/en not_active Abandoned

Patent Citations (1)

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