104results about "Braking discs" patented technology

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 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.

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 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).

To provide a grease application method that can further stabilize axial force generated when tightening with a predetermined torque value compared with the case of manual tightening, and a method for assembling a wheel with a brake disc that has stable axial force and more accurately determines suitability for assembling a wheel axle.SOLUTION: The grease application method includes the steps of: quantitatively placing semi-solid grease pushed out from a nozzle of a quantitative supply device around an axis of a bolt that fastens a brake disc to a center portion of a railway wheel along a screw thread; and screwing a nut screwed onto the bolt and spreading the grease placed along the screw thread. The method for assembling a wheel with a brake disc includes: a natural length measurement step of measuring a natural length of the bolt; a grease placement step of quantitatively placing grease around an axis of the bolt; a bolt fastening step of constructing a wheel with a brake disc by tightening while the nut screwed onto each bolt is threaded to spread the grease; and an axial force confirmation step of calculating axial force of each bolt by comparing the natural length and a length of the bolt in the fastened state.SELECTED DRAWING: Figure 5

The invention is entitled "Brake Disc Liner with Bridging Member." In some examples, a drive liner for a drive slot of a brake disc includes a first liner member configured to cover a first surface of the drive slot, a second liner member configured to cover a second surface of the drive slot, and a bridging member configured to extend between the first liner member and the second liner member. The bridging member is configured to limit movement of the first liner member and the second liner member in a tangential direction of the brake disc when the bridging member extends from the first liner member to the second liner member. In some examples, the bridging member is configured to be in compression between the first liner member and the second liner member.

The present invention relates to a molding material including an inner layer made of a carbon-based material and respective outer layers made of a carbon ceramic material composed of carbon and silicon carbide. Preferably, the molding material is molded to form a disk brake disk.

The invention relates to a brake disc (10) and its manufacture for a motor vehicle, comprising a base body (12) comprising a gray cast iron base, which is coated with a layer system (14) comprising at least one friction layer, which comprises at least one hard material, wherein the brake disc (10) has at least one recess (18) which is arranged in a friction area (16) of the brake disc (10), wherein the friction area (16) is provided to be brought into contact with a brake pad when the brake disc (10) is used as intended in the motor vehicle for braking the motor vehicle.

The invention relates to a method for the localized heat treatment of an aircraft brake disk (1) based on carbon-carbon composite, the disk (1) being provided with two friction faces each located on one side of the disk (1), the method being characterized in that it comprises: - placing an electrode (11), on each side of the disk (1), in electrical contact with a region to be treated (17) of the disk (1), an electrical insulator (14) being arranged on at least one friction face, in a vicinity of the region to be treated (17); and - generating an electric current between the two electrodes (11) so as to heat the region to be treated (17) by Joule heating.

The utility model relates to brake disc technical field discloses a kind of corrosion-resistant high-strength brake disc, including brake disc body, ventilation passage is set in brake disc body inside, the shape of ventilation passage inner wall is bellows, ventilation passage is equipped with multiple groups;The utility model compared with prior art's advantage is at:through ventilation passage, air can flow quickly, take away the large amount of heat generated by brake disc body due to friction, effectively reduce the working temperature of brake disc body, prevent the material performance decline and corrosion intensification due to high temperature, improve the heat dissipation efficiency of corrosion-resistant high-strength brake disc;Through protection flange, can play blocking action, reduce corrosion medium direct sputtering to the working surface of brake disc body, to reduce corrosion risk, improve the corrosion resistance of corrosion-resistant high-strength brake disc.

Disclosed are in-wheel driving devices. The devices include a wheel bearing including a hub and an outer ring disposed outward of the hub in a radial direction, a speed reducer including a carrier coupled to a wheel, an annular sealing member disposed between the hub and the carrier and brought into close contact with the carrier to seal lubricant oil supplied into the speed reducer, and wheel bolts that couple the wheel and the carrier and pass through wheel bolt holes formed in the carrier spaced apart from each other in a circumferential direction. The sealing member is concentric with a first virtual circle passing through centers of the wheel bolt holes. The first virtual circle has a larger diameter than the sealing member such that the wheel bolts are located outward of the sealing member in the radial direction.

This utility model relates to the field of automotive parts technology, specifically an automotive brake disc, including an outer disc body and an inner disc body disposed on the back of the outer disc body. A connecting member is disposed between the outer disc body and the inner disc body. The outer disc body has several first heat dissipation holes, which are connected to the interior of a heat dissipation cavity. This automotive brake disc, through the coordinated use of the outer disc body, inner disc body, heat dissipation cavity, connecting member, first heat dissipation holes, mounting part, mounting hole, and second heat dissipation holes, allows for rapid heat generation due to friction between the brake disc and brake pads during braking. The heat dissipation grooves, first heat dissipation holes, and second heat dissipation holes on the surfaces of the outer and inner disc bodies, with their unique structure and layout, guide air to form a complex airflow when the brake disc rotates, increasing the contact time and area between the air and the brake disc surface, significantly improving heat exchange efficiency and enhancing heat dissipation performance. Furthermore, the heat dissipation grooves increase the effective heat dissipation area of ​​the brake disc.

The utility model discloses a convenient disassembly disc brake with movable fixing part, it includes disc brake, the disc brake inboard is provided with first fixed frame, the disc brake other side is provided with second fixed frame, the first fixed block and second fixed frame between screw thread connection has bolt, second fixed frame and second fixed block between setting have connecting buckle and buckle slot. Through above -mentioned structure, disc brake inboard is provided with first fixed frame, and the even fixed connection of first fixed frame inner wall has a plurality of first fixed block, and disc brake back surface is provided with second fixed frame, and second fixed block is evenly pasted and is provided with second fixed block outside second fixed frame, and second fixed block fixed connection is in disc brake inner wall, and second fixed block and second fixed frame between screw thread connection has bolt, and second fixed block and second fixed frame between through connecting block, connecting buckle, installation buckle, buckle slot install locking, so that it can conveniently movable connection.

The application provides a kind of ceramic slurry for preparing 3D printing composite brake disc and a method thereof, the ceramic slurry comprises the following material composition by weight parts: alumina powder: 30-40 parts, silicon carbide powder: 60-70 parts, kaolin: 10-20 parts, binder: 2-6 parts, deionized water: 55-75 parts, the above-mentioned materials are mixed in the weight ratio, stirred uniformly, and the ceramic slurry is prepared. The prepared ceramic slurry is suitable for 3D printing process, and a brake disc with high SiC content, high wear resistance and heat resistance, and light weight can be prepared to meet the requirements of new energy vehicle braking system.

A brake disc structure with spiral cooling ribs and leaf vein-inspired groove friction surfaces relates to the field of brake disc heat dissipation structure technology. It includes a first friction disc and a second friction disc arranged coaxially side-by-side. A plurality of spiral cooling ribs are fixed between the inner walls of the first and second friction discs, forming ventilation channels through the area between adjacent cooling ribs. A plurality of leaf vein-inspired groove structures are arranged circumferentially on the outer walls of the first and second friction discs, with the leaf vein-inspired groove structures diffused outwards from the center. This invention provides a brake disc structure with spiral cooling ribs and leaf vein-inspired groove friction surfaces to achieve both internal heat dissipation and friction surface heat flow regulation, thereby further improving the brake disc's heat dissipation capacity, temperature field uniformity, and service stability.

The present invention relates to a braking band (2) having opposing braking surfaces (4) and being formed from a first material (37). The braking band (2) comprises at least one braking surface (4) suitable for cooperating with a brake pad and exerting a braking action. The braking band (2) incorporates at least one support structure (3) connected to at least one insert (1) in a second material (38) different from the first material (37). The support structure (3) maintains the precise position of the insert (1) during fabrication. In an unworn brake, at least one surface of the insert (1) or of the composite casting metal portion of the body and of the insert (1) is flush with the outer surface of at least one braking surface (4). The method comprises preparing the support structure (3) with the insert (1), positioning it within the casting mould (31), casting the first material (37), cooling, and mechanical machining to expose the insert (1).

The invention relates to a disc (1) for disc brakes, comprising a braking band (2), equipped with two opposing braking surfaces (2a, 2b), the braking band (2) being made of gray cast iron or steel, said disc comprising a base layer (30) covering at least one of the two braking surfaces (2a, 2b) of the braking band (2). Said base layer (30) consists of a matrix of titanium and / or a titanium alloy comprising one or more carbides and defines a tribologically active surface of the disc (1); or said base layer (30) consists of a layer of titanium and / or a titanium alloy and is in turn covered by a coating layer (300), which in turn consists of a layer based on one or more carbides and defines a tribologically active surface of the disc (1). Said one or more carbides are selected from the group consisting of titanium carbide (TiC), tungsten carbide (WC), chromium carbide, niobium carbide (NbC), molybdenum carbide (Mo2C), silicon carbide (SiC). At the interface between said base layer (30) and the braking band (2) in gray cast iron or steel there is an intermediate interfusion layer (32) having a mixed composition between said base layer (30) and the braking band (2), said base layer (30) having a crystalline structure with a growth direction predominantly orthogonal to the braking surface.

This utility model discloses a high-strength aluminum alloy inner disc connection structure, which includes a brake disc body. A first connecting ring is disposed on the inner side of the brake disc body, and a second connecting ring is disposed on the inner side of the first connecting ring. A locking post is disposed between the first and second connecting rings. A first connecting block and a second connecting block are symmetrically disposed on both sides of the locking post. Through this structure, the first and second connecting rings are connected between the brake disc bodies via the first and second connecting blocks. The first and second connecting blocks are connected and locked by the locking post, a limiting cap, a first thread, and a second thread, facilitating quick and easy fastening of the aluminum alloy inner disc.

The invention relates to a brake disc (10) for a motor vehicle, comprising a base body (12) coated with a layer system (14) comprising at least one friction layer (18) which has at least one hard material and provides a friction area (20) intended to be brought into contact with a brake pad when the brake disc (10) is used as intended in the motor vehicle for braking the motor vehicle, wherein the brake disc (10) has at least one axially extending (R A ) has a recess (22) extending completely through the brake disc (10) and opening into an end face (28) of the brake disc (10) with its opening area (26) in the friction area (20) of the brake disc (10), wherein the brake disc (10) is cold-worked in at least one area (34) extending in a ring shape around the opening area (26) of the recess (22).

The application discloses a kind of anti-slippage structure between the sound-absorbing layer of electromechanical brake pad and backboard, including inner elastic pusher and outer elastic pusher;The inner elastic pusher one end is fixed in the inner backboard inner screw-in end position, and the other end is fixedly connected with the inner spring piece of corresponding side on mounting bracket, and the inner elastic pusher is in compression state and moves the inner backboard to the inner screw-out end side before braking, so that the inner screw-out end is attached to the inner spring piece of the other side on mounting bracket;The outer elastic pusher one end is fixed in the outer backboard outer screw-in end position, and the other end is fixedly connected with the outer spring piece of corresponding side on mounting bracket, and the outer elastic pusher is in compression state and moves the outer backboard to the outer screw-out end side before braking, so that the outer screw-out end is attached to the outer spring piece of the other side on mounting bracket.It can effectively inhibit the relative slippage between the inner sound-absorbing layer and the inner backboard, and can effectively inhibit the relative slippage between the outer sound-absorbing layer and the outer backboard.

The application discloses a piezoelectric APU stop device and relates to the technical field of aircraft power devices.The device comprises a shell, which is sequentially provided with a piezoelectric module, an actuating block, a pressing disc, a moving disc and a pressure receiving disc from the bottom; the piezoelectric module is provided with lead wires of positive and negative electrodes, which are led out from corresponding holes; the actuating block is arranged on the end face of the piezoelectric module; the pressure receiving disc is fixed on the shell; coaxial pivots are arranged at the central positions of the end faces of the moving disc; one pivot penetrates the center of the pressing disc, and the other pivot penetrates the center of the pressure receiving disc and extends to the outside of the pressure receiving disc.The piezoelectric stop device utilizes the inverse piezoelectric effect of piezoelectric materials; after the piezoelectric module is electrified, deformation displacement and thrust are generated, braking torque is generated by pressing the brake disc, and the APU main shaft is stopped from rotating.

The present application relates to a kind of carbon ceramic brake disc blank body with layered composite structure molding method, comprising the following steps: preparation high-density carbon fiber reinforced layer preform;Preparation short fiber / particle reinforced porous functional layer mixture;High-density carbon fiber reinforced layer preform and porous functional layer mixture are placed into mould according to the layered composite structure of upper high-density carbon fiber reinforced layer preform, middle porous functional layer mixture and lower high-density carbon fiber reinforced layer preform;Molding, obtain carbon ceramic brake disc blank body with functional gradient structure.The intermediate layer porosity gradient design of the present application is from center zone 38% to transition zone 32% to bonding zone 25%, thereby optimizing molten silicon infiltration path, and intermediate layer adopts zoned weighing, to form the matrix that there is difference in radial and circumferential powder density, to further form the rheological supplement located in the radial of blank and the sandwich air duct structure of circumferential side.

Ventilated brake rotor. The present invention relates to a ventilated brake rotor (1) rotatably associated with a vehicle component to be braked. The ventilated rotor (1) has an axis of rotation (A). The ventilated rotor (1) defines an axial direction (A-A), a radial direction (R-R), and a circumferential direction (T-T) parallel to or coincident with the axis of rotation (A), with the radial direction (R-R) perpendicular to the axial direction (A-A) and the circumferential direction (T-T) perpendicular to both the axial direction (A-A) and the radial direction (R-R). The ventilated rotor (1) comprises a cup-shaped body (2) having at least one vent hole (10) penetrating the thickness of the cup-shaped body for allowing passage of a coolant for cooling the ventilated brake rotor (1). The cup-shaped body (2) comprises at least one annular front portion (3) and a side portion (5). The front annular portion (3) is configured to connect the ventilated brake rotor (1) to the rotating element. The side portions (5) extend from the front annular portion (3) at least in the axial direction (A-A). The protective element (6) is configured to shield the at least one opening (10) to prevent foreign objects from entering the cup-shaped body (2) while allowing a cooling fluid to pass through the at least one opening (10).

In some examples, a brake assembly includes a torque tube supporting at least one spline configured to receive a torque from one or more stator discs. The spline includes a central member configured to couple to the torque tube and a load member configured to receive the torque. The load member is configured to move relative to the central member from an unloaded position to a loaded position when the load member receives the torque. In examples, the spline includes a flex member biased to return the load member from the loaded position to the unloaded position.

An internally ventilated brake disc (1) for a disc brake comprises two adjacent friction discs (2) which are connected to each other and have through-openings (8) for airflow through the through-openings (8) into at least one cavity (4) between the two friction discs (2). The brake disc (1) has a filter arrangement (12) for absorbing brake dust.

The present application relates to the field of electric power composite braking technology of new energy vehicles, in particular to a composite brake disc matched with regenerative braking of new energy vehicles and a preparation and coordination system thereof. The composite brake disc comprises an electric braking unit for performing kinetic energy recovery, and a mechanical friction braking unit in coordination with the electric braking unit. In view of the problems that the mechanical brake disc is prone to rust due to long-term idling of the electric braking system and is prone to thermal recession when high load is involved, the mechanical braking unit of the present application adopts a specific nano composite brake disc. The brake disc takes micro-alloyed gray cast iron as a matrix, and uniformly disperses nano ZrC and TiC particles with a total mass of 0.08% to 0.15%. In the preparation, metal nano composite powder is prepared by high-energy ball milling, and the particle limit de-agglomeration is realized by using gas-solid coordination dispersion process. The corrosion and thermal recession technical bottlenecks of the electromechanical composite braking system of new energy vehicles are effectively solved.

This utility model relates to the field of automotive brake technology and discloses a composite heat dissipation brake assembly, including a brake disc with multiple heat dissipation holes on its surface and ventilation ribs inside. A bracket is located on one side of the brake disc, and a top cover is located at the upper end of the bracket. Friction pads are located on the lower side of the top cover and inside the bracket, and the friction pads are disposed on the upper and lower sides of the brake disc. A caliper body is located on the upper side of the top cover and is connected to the friction pads. A cooling mechanism is located inside the bracket and communicates with the interior of the friction pads. This design has the advantages of reducing the maximum temperature of the brake caliper during operation, increasing braking force during prolonged braking, and reducing braking distance. It solves the problem that if heat cannot be effectively dissipated, it will lead to a decrease in braking performance, thus affecting driving safety.

A machine for coating brake disc workpieces (W) comprises a laser cladding station (C) for applying a coating onto a brake disc workpiece (W) supported on a workpiece support (1001, 1002, 1003, 1004). The laser cladding station (C) comprises an ejector (2) of coating material, a laser head (1) for projecting a laser beam (11) for heating coating material (21), and an enclosure for defining an enclosed space (4) for housing the workpiece (W). The laser head (1) and the ejector (2) of coating material are at last partially arranged within the enclosed space (4). The machine also comprises a subsystem (75) for ventilation arranged for withdrawing air and excess coating material from the enclosed space (4) via at least one air outlet (7) for letting air and excess coating material out of the enclosed space (4).

The utility model discloses a conical braking device, and relates to the technical field of braking. Comprising a motor body, the middle of the motor body is provided with an axial rod, the lower portion of the axial rod is sleeved with a spring, the lower portion of the axial rod is provided with a pointing pin, the motor body is provided with a conical brake disc through the pointing pin, the conical brake disc is arranged on the outer side of the spring, and the bottom end of the axial rod is provided with a mounting tailstock which is provided with a conical friction plate. The spring stretches out and draws back in the vertical direction and is used for driving the conical brake disc to move in the vertical direction, and the pointing pin plays a role in guiding the spring. Through the integral arrangement of the device, the strong braking effect on the motor body is realized in a narrow space, so that the transmission accuracy of the motor body is ensured, the installation condition of small occupied space is realized, the device has the advantages of strong braking effect, compact structure, easiness in manufacturing and low cost, and the applicability is improved.

The application provides a disc brake rotor, which comprises a first brake pad, a second brake pad and a heat sink arranged between the first brake pad and the second brake pad along the axial direction of the disc brake rotor; the heat sink comprises a heat sink annular part and a heat sink inner extension part arranged from outside to inside along the radial direction of the disc brake rotor; the first brake pad, the heat sink annular part and the second brake pad are directly or indirectly attached to form an integrated piece; an air guide inner channel is arranged between the first brake pad and the second brake pad; a flow guide structure is arranged on the heat sink inner extension part, and the inlet of the air guide inner channel is arranged adjacent to the flow guide structure; the outlet of the air guide inner channel is arranged on the first brake pad, on the second brake pad and / or at the outer edge of the disc brake rotor. The technical scheme of the application can be widely applied in the field of wheel component braking technology and has high reliability.