797results about "Braking discs" patented technology

The utility model provides a brake disc which comprises a friction ring, a first connecting piece and a second connecting piece. A second connecting piece is annularly arranged on the outer ring of the disc cap, the first connecting piece and the second connecting piece are fixedly connected in the axial direction of the brake disc, the second connecting piece is provided with a plurality of interval parts and a plurality of abutting parts, the interval parts and the abutting parts are annularly arranged at intervals in the circumferential direction of the disc cap, and the abutting parts abut against the first connecting piece; the interval part is located on the side, facing the first connecting piece, of the second connecting piece, the first connecting piece and the second connecting piece form an interval in the axial direction of the brake disc through the interval part, and the second connecting piece can deform through the interval part. By means of the technical scheme, the problem that in the prior art, a split type brake disc is poor in thermal deformation performance can be solved.

The present disclosure relates to a brake calliper for a disc brake. The brake calliper comprises a supporting structure, a cover with a pin, and a fixing disc. The supporting structure has a bridge and at least one bridge finger which has a brake lining side, an outer side and a bore which is incorporated into the outer side and which runs from the outer side in the direction of the brake lining side. The cover has a pin protruding into the bore. The fixing disc has a disc edge which has an outer diameter D and which is positively held in the bore and with a disc center which has a through-opening, through which the pin protrudes. The disc center has a clamping region which is bulged relative to the disc edge in the direction of the brake lining side and which fixedly clamps the pin in the through-opening by a clamping edge. The disclosure also relates to such a fixing disc itself.

The invention discloses an electromagnetic disc brake with a gap automatic compensation function, and relates to the technical field of electromagnetic disc brakes, the electromagnetic disc brake comprises a mounting base and a connecting shell, one side of the mounting base is provided with a shell, an electromagnet is mounted in the mounting base, one side of the electromagnet is provided with an armature, and the armature is connected with the shell. One side of the armature is connected with multiple sets of reset springs, and one end of each reset spring is fixed to the inner side of the shell. According to the electromagnetic disc brake with the gap automatic compensation function, the gap between the armature and the electromagnet can be detected through the microswitch, and when the gap exceeds the range, the thin hydraulic cylinder can be started to drive the hydraulic plunger head to push the armature to move, so that the gap between the armature and the electromagnet returns to normal, and compensation is completed; the sealing mechanism can prevent external dust from making contact with the armature and other components, so that the braking effect is kept, and the heat dissipation mechanism can dissipate heat of the braked components.

The invention provides a high-speed laser cladding metal ceramic coating, a cast iron brake disc and a preparation method and application of the cast iron brake disc. The high-speed laser cladding metal ceramic coating comprises the following preparation raw materials in percentage by mass: 40%-60% of stainless steel, 10%-20% of SiC, 10%-30% of ZrO2, 5%-10% of Ti and 1%-2% of CeO2. According to the coating, the hardness, the wear resistance, the friction coefficient and the toughness of a cast iron matrix can be remarkably improved, and the braking requirement of a motor vehicle under the extreme working condition can be well met. The invention further provides the cast iron brake disc and a preparation method and application thereof.

The invention relates to a brake module (100) for a vehicle flap drive system with at least one first friction partner (130) and at least one second friction partner (160, 170), wherein the friction partners (130, 160, 170) each have at least one friction surface (140, 150, 180, 190) which rub against one another during braking operation, wherein the first friction partner (130) is formed in one piece from a plastic with a carbon fiber content.The invention further relates to a vehicle flap drive system comprising a brake module (100).

A brake disc for a disc brake may have a braking band made of gray cast iron or steel, provided with two opposite braking surfaces, each of which defines at least partially one of the two main faces of the disc. The disc is provided with a base layer constituted by steel having a nickel content of at most 15% which covers at least one of the two braking surfaces of the braking band.

The invention discloses an automobile brake disc which comprises a disc body and a gooseneck protruding outwards from one side of the disc body, an annular groove is formed in the connecting position of the gooseneck and the disc body, the automobile brake disc further comprises an annular fin radiator arranged in the groove and a clamping spring arranged on one side of the annular fin radiator, and the annular fin radiator comprises a supporting seat and a plurality of layers of radiating fins which are arranged on the supporting seat and are concentrically distributed at intervals by taking the rotating axis of the disc body as the center. According to the automobile brake disc, the annular fin radiator is fixed in the groove formed in the connecting position of the gooseneck and the disc body through the clamping spring, heat generated by braking is guided out through the radiator by the disc body, and the situation that excessive heat is transmitted to a hub unit through the gooseneck, and the strength of a hub and the service life of peripheral plastic parts are affected is avoided.

The invention concerns a disc (40) for a disc brake (30).According to the invention, the disc (40) is made of steel containing less than 0.3% by weight of Carbon.

The invention relates to the technical field of brake pads, in particular to a brake pad adaptive to a carbon-ceramic brake disc and a preparation process thereof.The brake pad comprises, by weight, 25%-57% of reinforced fibers, 22%-49% of a lubricant, 7%-17% of a binder, 7.2%-28.1% of a friction modifier and 3%-23% of filler; the reinforced fiber is at least one of nano silicon nitride modified ceramic fiber, carbon fiber and aramid fiber. Through cooperation of the components, the prepared brake pad has the advantages of being good in heat conduction, resistant to shearing and abrasion, good in toughness, capable of reducing noise, stable in friction coefficient, reliable at low temperature, high in high-temperature braking force, stable in braking and the like.

The utility model discloses a wind power generation brake disc assembly which comprises a brake caliper shell and a brake disc, adjustable installation pieces are symmetrically distributed between the left inner wall and the right inner wall of the brake caliper shell, friction pieces are symmetrically distributed on the opposite inner side faces of the two installation pieces, and the brake disc is located between the transversely adjacent friction pieces. The device further comprises an auxiliary braking mechanism. The auxiliary braking mechanism comprises hydraulic rods, hemispherical heads and hollow hemispherical protrusions, the hydraulic rods are symmetrically distributed and installed on the opposite inner side faces of the two installation pieces, the hydraulic rods are located between the two friction pieces which are adjacent up and down, and according to the wind power generation brake disc assembly, the hemispherical heads make contact with the spherical surfaces of the protrusions, braking force is transmitted through shearing force, and the braking force is transmitted through the hollow hemispherical protrusions. And mechanical meshing and friction dual braking is formed, on the basis of friction plate braking, additional braking force is provided, the braking force of the braking assembly on the braking disc is increased, and the braking time of the wind driven generator is effectively shortened.

The invention relates to the technical field of electromagnetic brakes, in particular to an electromagnetic hydraulic braking structure and electric control electromagnetic hydraulic braking calipers. The electromagnetic hydraulic braking structure comprises a combined piston assembly, the combined piston assembly comprises a piston cylinder, the piston cylinder is provided with a first piston cavity and a second piston cavity which are communicated with each other, the first piston cavity is provided with a combined outer piston and a combined inner piston in a penetrating mode, and the second piston cavity is provided with a pressurizing small plunger in a penetrating mode; an oil storage cavity is formed outside the piston cylinder, and a plurality of oil holes are formed in the side wall of the piston cylinder and are communicated with the first piston cavity and the oil storage cavity; the electromagnet assembly comprises an armature, and the armature abuts against the combined inner piston; and the hydraulic braking assembly is internally provided with an oil way and communicates with the second piston cavity, and multi-stage pressure amplification is achieved through double-cavity linkage. Gap fluctuation between the brake pad and the brake disc in the braking process can be effectively controlled, the characteristic of large suction force of the tail end of the electromagnet is efficiently utilized, and meanwhile the stable braking effect is achieved.

A railway brake disc may include at least one brake disc segment. This segment can form at least part of an annular body that circumferentially encircles a center opening. The segment can be mounted to a railway wheel to be engaged by a brake caliper pad to slow or stop rotation of the railway wheel. The segment can include rows of protrusions located at different radial distances from a radial center of the at least one brake disc segment. The protrusions can include an outer row of circular columns located along an outer radial distance of the at least one brake disc segment, an inner row of columns located along an inner radial distance of the at least one brake disc segment, and at least one intermediate row of columns radially located between the inner row of the columns and the outer row of the circular columns.

The application discloses a kind of carbon ceramic brake pad for grinding carbon ceramic brake disc, belong to brake pad technical field, solve the poor heat dissipation performance of existing ceramic brake pad, insufficient connection strength, leading to the problem of poor friction performance, it includes carbon ceramic lining plate and the carbon ceramic friction surface installed on carbon ceramic lining plate, multiple mortise grooves are set on the upper surface of carbon ceramic lining plate, multiple tenon heads matched with mortise groove are set on the lower surface of carbon ceramic friction surface, tenon head is embedded into mortise groove and forms mortise and tenon structure, connects carbon ceramic lining plate and carbon ceramic friction surface, ear plate is set on the circumference of carbon ceramic lining plate, and mounting hole is formed in ear plate;In the application, the friction coefficient is adjusted by designing ceramic phase composition and density of carbon ceramic friction surface and carbon ceramic lining plate, and carbon ceramic lining plate and carbon ceramic friction surface are connected by RMI process and mortise and tenon structure to improve the mechanical properties of connecting place, ensure braking safety, reduce thermal stress generated in braking process, so as to improve the friction performance, effectively guarantee braking effect, and prolong service life.

Disclosed are a brake assembly, a brake disc, a wheel, and a vehicle. The brake assembly comprises a disc cap (1), a connecting assembly (3) connected to the disc cap, and an elastic member (4); the elastic member comprises a radial floating part (41); and the radial floating part is arranged between the disc cap and the connecting assembly along the radial direction of the disc cap, and is elastically deformable along the radial direction of the disc cap. In this way, the brake assembly has a floating margin in the radial direction relative to the disc cap, and therefore, during braking, eccentric wear between the brake assembly and the disc cap caused by radial tilting of the brake assembly relative to the disc cap can be avoided, thereby reducing the mechanical damage to a brake disc (2), avoiding the noise generation, and prolonging the service life of the brake assembly.

The utility model discloses a tool and yaw brake disc assembly of cleaning yaw brake pad of wind turbine generator, through the lathe tool is put into the basic groove, and the lathe tool part protrudes on the surface of yaw brake disc, when yaw, the yaw brake pad will be pasting the surface of yaw brake disc, above the lathe tool, the cutting edge of lathe tool will cut and remove the enamel hard layer of yaw brake pad surface, realize yaw brake pad cleaning, need not to remove yaw brake. The main technical scheme of the utility model is: a kind of tool of cleaning yaw brake pad of wind turbine generator of Jinfeng, including lathe tool, lathe tool includes first side and second side, the extension amount of lathe tool from first side to second side is greater than the height of basic groove, lathe tool is used to be embedded in basic groove by first side, to make the second side of lathe tool protrude on the surface of yaw brake disc, to clean yaw brake pad with yaw brake pad action and clean yaw brake pad. The utility model is mainly used for cleaning yaw brake pad.

The application provides a carbon ceramic brake disc with multiple friction layers, which comprises a base layer and friction layers, wherein the friction layers comprise a first friction layer, a second friction layer and a third friction layer, and the first friction layer, the second friction layer and the third friction layer are sequentially arranged from the base layer outward; the thickness of the first friction layer is 0.05-0.4 mm, and the first friction layer at least contains silicon carbide particles with a size of 2-40 μm; the thickness of the second friction layer is 0.1-0.4 mm, and the second friction layer at least contains silicon carbide particles with a size of 35-85 μm; the thickness of the third friction layer is 0.4-5 mm, and the third friction layer at least contains silicon carbide particles with a size of 75-150 μm. By arranging the three layers of friction layers, the thermal expansion coefficients of each layer of friction layers gradually increase, the comprehensive performance of the carbon ceramic brake disc is greatly improved, and the falling off of the friction layers is greatly avoided.

This utility model discloses a novel anti-fouling and anti-water-accumulation brake disc, including a brake disc body and an anti-fouling and anti-water-accumulation component. The brake disc body includes a disc plate, a disc hub, and heat dissipation holes. The disc hub is fixed on the disc plate and securely mounted on the wheel axle with bolts. Several heat dissipation holes are provided on the disc plate. The anti-fouling and anti-water-accumulation component is arranged on the disc plate. The anti-fouling and anti-water-accumulation component includes anti-fouling and anti-water-accumulation grooves and guide grooves. Several anti-fouling and anti-water-accumulation grooves are symmetrically arranged in a ring array on both sides of the disc plate. Guide grooves are symmetrically arranged on both sides of the anti-fouling and anti-water-accumulation grooves. The anti-fouling and anti-water-accumulation grooves have an arc-shaped inclined structure. The inclined direction of the anti-fouling and anti-water-accumulation grooves is opposite to the forward rotation direction of the disc plate. This novel anti-fouling and anti-water-accumulation brake disc has a simple and reasonable structure and ingenious design. Through the centrifugal force generated by the rotation of the disc plate, the dirt and water adhering to the surface of the disc plate can be discharged along the anti-fouling and anti-water-accumulation grooves, ensuring the friction coefficient between the brake pads and the brake disc body and the braking efficiency, and has a good anti-fouling and anti-water-accumulation effect.

The invention relates to a method for producing a brake disc (10), in which (V1) a base body (12) for the brake disc (10) is coated with a coating (14) made of a hard material, and subsequently (V2) the roughness of the coating (14) is reduced by a non-abrasive press forming process, in which at least one recess (24) is introduced into the coating (14) during the process, the groove (24) acts as an indicator for wear of the coating (14) of the brake disc (10).

The invention relates to a method for checking the thickness of a friction layer (16) comprising at least one hard material, which covers a magnetizable base body (12) of a brake disc (10) for a motor vehicle, in which the thickness of the friction layer (16) is determined by means of a measuring device by generating a magnetic field (26) in a magnetic-inductive measuring method.

Method for forming a decorative insert (110, 112) on a brake pad wear surface (106, 406) of a brake disc (100, 400), the method comprising: Positioning an insert material in a mold; Casting a brake disc (100, 400) in the mold around the insert material; and Machining the brake disc (100, 400) by cutting, grinding, sandblasting, scraping or polishing so that at least part of the insert material is visible on the brake pad wear surface (106, 406), wherein the thickness of the decorative insert (110, 112) is 0.5 to 3.0 millimeters, and wherein: a coefficient of friction between the decorative insert (110, 112) and a brake pad is the same as a coefficient of friction between the brake pad wear surface (106, 406) and the brake pad; and a wear rate of the decorative insert (110, 112) is equal to or greater than a wear rate of the brake pad wear surface (106, 406).

The invention discloses a carbon-ceramic brake disc with a gradient structure and a preparation method of the carbon-ceramic brake disc, and belongs to the technical field of carbon-ceramic brake discs, and the carbon-ceramic brake disc with the gradient structure can be obtained through preparation, hardening and deposition densification of a prefabricated body to obtain a C / C blank and siliconizing treatment of the C / C blank. Wherein the prefabricated body comprises a first functional layer, a first transition layer, a structural layer, a second transition layer and a second functional layer which are all subjected to a needling process, and fibers of all the layers are interwoven to form a three-dimensional network, so that the risk that interlayer interface performance is suddenly changed can be eliminated, and the thermal expansion coefficient continuously changes in the thickness direction due to gradual change of components of the transition layers; the sudden increase of local thermal stress is avoided, the thermal shock stability is obviously improved, and meanwhile, the risk of crack generation is reduced. The obtained carbon-ceramic brake disc is stable in performance in the long-term use process, and the problem that in the prior art, fibers peel off or coatings fall off in the friction process of long-term use of a brake disc is solved.

The utility model discloses a brake disc capable of preventing the edge of a disc body from cracking, which comprises a carbon-ceramic brake disc, the outer side wall of the carbon-ceramic brake disc is coated with an anti-oxidation layer, the edge of the carbon-ceramic brake disc is provided with a composite chamfering mechanism, the side wall of the carbon-ceramic brake disc is provided with an abdicating hole, the side wall of the carbon-ceramic brake disc is provided with a sliding groove, and a locking mechanism is arranged in the sliding groove. The locking mechanism comprises a sliding rod, an anti-skid sleeve and a positioning hole, the sliding rod is installed in the sliding groove in a sliding mode, the anti-skid sleeve is connected to the outer side of the end, located in the sliding groove, of the sliding rod in a sleeving mode, and the anti-skid sleeve can be attached to the inner side wall of the sliding groove. When the carbon-ceramic brake disc is connected with the wheel, the wheels can push the sliding rods towards the interiors of the sliding grooves, so that the sliding rods are inserted into the positioning holes, the connection between the carbon-ceramic brake disc and the external wheel mounting shaft is reinforced, and the condition that the carbon-ceramic brake disc shakes or shakes is avoided.

The utility model relates to a friction plate with a riveting structure, which belongs to the technical field of clutch brake structures and comprises a core plate steel sheet, an assembly inner ring is arranged in the center of the core plate steel sheet, reinforcing sheets are arranged on two sides of the core plate steel sheet, paper-based linings bonded with the end face of the core plate steel sheet are arranged on the peripheries of the reinforcing sheets, and the paper-based linings are arranged on the periphery of the core plate steel sheet. An inner gear ring communicated with the assembling inner ring is arranged in the center of the reinforcing piece, a plurality of rivet holes distributed annularly are formed in the reinforcing piece and the core plate steel piece, and rivets for fixedly connecting the reinforcing piece and the core plate steel piece are arranged in the rivet holes. The core plate steel sheet is located in the center of the friction plate and provided with an assembly inner ring, and the reinforcing sheet is provided with an inner gear ring used for being connected with a clutch driven disc. The connection strength of the friction plate and the driven disc is enhanced, and the stability of power transmission is ensured. And by optimizing riveting and heat dissipation structures, the service life and performance of the clutch are improved. Efficient heat dissipation, high-strength connection and long service life of the friction plate are achieved.

The utility model relates to the technical field of automobile brake discs, and provides an automobile brake disc assembly which comprises a friction disc, a joint, a plurality of torque transmission pins and a plurality of bolts, a heat insulation gasket is arranged between the friction disc and the joint, and the torque transmission pins are sequentially connected with the joint, the heat insulation gasket and the friction disc in an inserted mode. A pressing cap of the torque transmission pin abuts against the surface of the combining head, the bolt penetrates through the torque transmission pin, a nut of the bolt abuts against the end face of the pressing cap of the torque transmission pin, and a nut of the bolt abuts against the surface of the friction disc. The heat insulation gasket is arranged between the friction disc and the joint, so that heat directly conducted to the joint is effectively reduced, and a certain protection effect on the joint is achieved.

This invention discloses a tooling mold for manufacturing brake discs and a method for manufacturing brake discs. The tooling mold includes an insertion section whose shape matches the shape of the heat dissipation holes and achieves an interference fit after insertion. The end of the insertion section is fixedly connected to a sliding groove via a connecting rod. A sliding plate, which cooperates with the sliding groove, enables position adjustment of the insertion section. This invention offers flexible overall adjustment and can be used for combined adjustment of the spacing for brake discs of different sizes, facilitating operator operation. The method of manufacturing brake discs using this invention reduces the difficulty of drilling holes in carbon-carbon composite brake disc preforms, reducing processing volume; it reduces the time and material consumption required for brake disc vapor deposition; it improves the smoothness of the inner surface of the heat dissipation holes, reducing processing volume and avoiding dynamic imbalance and airflow velocity uniformity issues caused by rough holes; it promotes uniform product material, ensures uniform expansion coefficient, and reduces the probability of product cracking.

The present invention relates to a brake disc for a disc brake, and in particular, comprises two opposing brake surfaces (2a, 2b), each brake surface including a brake band (2) defining at least one of two main surfaces of the disc (1). The brake band (2) is made of gray cast iron or steel, preferably stainless steel. The brake disc includes a surface coating (3) covering at least one of the two brake surfaces of the brake band. The brake band (2), which at least partially defines one of the two main surfaces of the disc (1), is made of gray cast iron or steel, preferably stainless steel. The disc consists of a surface coating (3) covering at least one of the two brake surfaces of the brake band. The surface coating (3) is based on a mixture of one or more aluminum oxides and one or more titanium oxides, and the surface coating (3) is darker in color than the steel or gray cast iron of the brake band (2).

A resin composition which contains at least one compound selected from the group consisting of a titanium compound, a magnesium compound and a lithium compound, and an epoxy resin or a precursor thereof, and which is used for coating a sliding surface of a brake rotor.

The present invention discloses an automatic cooling brake caliper, which relates to the technical field of automobile braking systems and a magnetorheological heat dissipation caliper assembly. On the one hand, under the action of the magnetic field generated by the electromagnetic coil, the magnetic particles of the magnetorheological fluid form a chain structure, and the thermal conductivity coefficient is significantly improved. This dynamic thermal conductivity characteristic enables the heat generated by piston friction to be quickly transferred to the heat dissipation annular sleeve and the annular heat conduction plate, breaking through the thermal conductivity limit of traditional metal materials. In addition, the heat dissipation fins accelerate air convection by increasing the surface area, and the coolant in the refrigeration pipe further takes away the heat. The above effects constitute a complete magnetorheological dynamic thermal interface strengthening system. On the other hand, when the magnetorheological fluid cylinder moves synchronously with the original piston and touches the brake pad, the magnetorheological fluid is squeezed out through the microchannel, absorbing the heat conducted by the brake pad during the flow process, and finally realizing self-circulation heat dissipation through the liquid cooling pipe. The electromagnetic coil is used to adjust the magnetic field strength, and the viscosity of the magnetorheological fluid can be changed within milliseconds.

A brake disc and a manufacturing method therefor, and a vehicle. The brake disc comprises a base body and a friction layer. The friction layer comprises a first surface and a second surface that are opposite each other. The first surface is connected to the base body, and the second surface has a less crack density than the first surface.