265 results about "Brake lining" patented technology

In particular, the invention relates to an electromechanical brake, a machine, a wear readjustment device and a method or procedure, whereby the electromechanical brake comprises an actuator, a transmission unit, a brake lining and a friction surface, the actuator which is moving in a limited actuator actuation range, the actuator which is executing a lining stroke over at least a portion of its actuator actuation range via the transmission unit, whereby the transmission unit has a non-linearity, i.e. a transference ratio which is not constant over at least part of the actuator operating range, and whereby the transference ratio of the transmission unit is selected and / or configured in such a way that at least two subsections with differently acting non-linearities are formed along the actuator operating range.

A disc brake for a utility vehicle includes a brake caliper that is in the form of a sliding caliper and overlaps a brake disc; two brake pads which are located in the brake caliper, can be moved in opposite directions in the direction of the brake disc, each have a pad backing plate and a friction lining fastened thereto, and are each located in a pad shaft of a vehicle-side brake carrier, which pad shaft is delimited in the direction of rotation of the brake disc by brake carrier horns; and at least one restoring device by which the brake pads can be restored after a braking-related movement and release of the brake. The restoring device has at least one restoring element which is attached to a brake pad, is located between the brake pad and a stationary component, and exerts a restoring force on the brake pad, the at least one restoring element being in the form of a leaf spring which is fastened on the rear side of the pad backing plate facing away from the friction lining and has a spring arm which extends in the peripheral direction of the brake disc and is supported against the brake carrier as a stationary component.

The invention provides an adjustable drum brake clearance measuring device, which comprises a device foundation, a brake assembly fixing structure, a brake drum fixing structure and a clearance measuring structure, and is characterized in that the device foundation is used as a fixed foundation structure of the whole clearance measuring device; a brake assembly fixing structure is fixedly arranged on the device foundation upwards, a brake assembly is fixedly installed in the horizontal direction through the brake assembly fixing structure, a brake drum fixing structure and the brake assembly fixing structure are coaxially arranged and arranged in a relative rotation mode, and a brake drum is fixedly installed on the brake drum fixing structure. The brake drum and the brake assembly form relative positions in a brake working state, and a detection part of the gap measuring structure is in contact with a brake lining of the brake assembly through a gap of the brake drum and obtains brake stroke data. The gap measuring device simulates the relative rotation state of the brake drum and the brake structure, data acquisition of gap change is realized, and the detection efficiency and precision are effectively improved.

A brake pad set (22) for disc brakes is shown, comprising an inner brake pad (24) and an outer brake pad (26). Each of the brake pads (22, 24) has a backing plate (28) and a brake lining (30, 32) attached to the backing plate (28), which comes into contact with a brake rotor during operation. The inner brake lining (30) and the outer brake lining (32) differ in size and preferably also in geometric shape in top view, wherein the wear volume of the inner brake pad (24) and the wear volume of the outer brake pad (26) differ by less than 10%. Furthermore, a vehicle brake (10) with such a brake pad set (22) is shown.

A method for inspecting a vehicle brake pad, without removal of a vehicle wheel, includes capturing a digital image a side of a brake pad with the wheel installed on the vehicle, and loading the digital image onto a display screen of an image analysis system. An on-screen thickness of each of the backing plate and brake lining is measured as a pixel count distance between a leading and trailing edge of each of the backing plate and brake lining. The image analysis system calculates a ratio between the measured pixel-count thicknesses of each of the backing plate and the brake lining, compares the ratio to a threshold value, and based on that comparison, generates a message indicative whether the brake lining needs to be replaced. The brake pad is replaced in response to a generated message in the image analysis system indicating the brake pad failed inspection.

The invention provides an automotive brake lining hot-pressing mold convenient to demold, and relates to the field of automotive brake lining production. The automobile brake lining hot-pressing mold convenient to demold comprises an equal-ratio hot press, the equal-ratio hot press comprises a rack, a mold containing frame is fixedly installed in the middle of the rack, the upper side and the lower side, located on the mold containing frame, of the rack are provided with an upper extrusion plate and a lower extrusion plate which can move oppositely respectively, and the upper extrusion plate can slide front and back. According to the automotive brake lining hot-pressing mold convenient to demold, a friction material is placed in the inner shell, a back plate is placed on the uppermost portion of the inner shell, hot pressing of an automotive brake lining can be achieved through heating of a heating pipe in cooperation with extrusion of an upper extrusion plate and a lower extrusion plate, after hot pressing is completed, the heating pipe stops heating, and the friction material is placed in the inner shell. And the extension pipe supplies air to the cooling flow channel through an external air supply mechanism to accelerate heat discharge, so that the automobile brake lining can be cooled, and bonding demolding failure caused by high temperature during demolding can be avoided.

A braking device (12a, 12b) comprising a brake pair consisting of a carrier disc (26) with a brake pad (33), which is axially and radially fixed to a shaft (14a) to be braked and which projects rotatably from a housing (13) of a drive device and is fixed to rotation, and which has a brake friction surface (34) provided on said housing (13), is characterized in that a pressure device (22) is provided on the housing side, which is arranged in the axial direction in the area of ​​the friction pair (33, 34) and presses the friction pair (33, 34), that the pressure device (22) acts on the carrier disc (26) via an axial bearing (24), and that the carrier disc (26) in the arrangement is essentially undeformed when the pressure device (22) is unpressurized and is disengaged from the friction pair (33, 34) with free play, and that the carrier disc (26) is deformed elastically during braking operation. at the brake friction surface (34),and, when the pressure in the pressure device (22) decreases, it returns to its original position due to the forces counteracting the elastic deformation. Since the carrier disc (26) is rigidly connected to the shaft (14a, 14b), it cannot undergo any torsional vibrations relative to it. No noise is generated by micro-movements between the disc and the hub. The braking device (12a) is therefore quiet. Furthermore, no complex gear teeth need to be manufactured. And there is no wear between the disc and the hub.

The invention relates to the technical field of brake friction materials, and particularly discloses a brake pad mixture, a composite brake pad and a preparation method and application of the composite brake pad. The brake lining mixture provided by the invention is prepared from the following components in parts by weight: 10 to 13 parts of liquid nitrile rubber, 8 to 12 parts of modified phenolic resin, 20 to 40 parts of reinforced fiber, 8 to 12 parts of calcium hydroxide, 1 to 3 parts of light magnesium oxide, 10 to 15 parts of calcium carbonate whisker, 2 to 5 parts of calcined aluminum oxide, 10 to 15 parts of graphite, 5 to 10 parts of heavy calcium carbonate, 0.8 to 1.2 parts of sulfur and 0.8 to 1.2 parts of accelerant. The reinforced fibers comprise steel fibers, aramid fibers and mineral fibers in a weight ratio of (10-25): 1: (5-15). According to the brake pad mixture and the preparation method of the synthetic brake pad, the synthetic brake pad which is good in friction stability and small in batch-to-batch difference can be prepared, and when the synthetic brake pad is used for a traffic vehicle braking system, the safety is high, and the reliability is good.

Various systems and methods for braking a vehicle are provided. In one embodiment, a brake assembly is provided that includes a lever attachment interface pivotally coupled with two degrees of freedom to a joint between a first lever and a second lever and a brake cylinder coupled to the first lever and designed to engage and disengage a brake lining in a brake component. The brake cylinder includes a slack adjuster configured to adjust a throw of the second lever.

The embodiment of the invention provides a friction material composition, a brake lining, a preparation method of the brake lining, a brake and a vehicle. The friction material composition comprises the following raw materials in parts by weight: 2-10 parts of a fluoride mixture, 8-15 parts of graphite, 8-12 parts of phenolic resin, 4-12 parts of a metal oxide, 15-40 parts of a fiber material and 20-40 parts of other fillers, wherein the fluoride mixture comprises at least two of calcium fluoride, barium fluoride, cerium fluoride, aluminum fluoride, magnesium fluoride, potassium fluoride, sodium fluoride, beryllium fluoride and manganese fluoride. The brake lining prepared from the friction material composition can solve the problems of high wear rate and heat fading at the same time, the service life of the brake lining is prolonged, and the braking effect is improved.

The utility model discloses an on-line detection system for a brake pad and a brake disc of a motor train unit braking system. The on-line detection system comprises a control box, and a brake pad image acquisition device, a wheel position sensor, an incoming line wheel sensor and an off-line wheel sensor which are respectively connected with the control box, the brake pad image acquisition device is linearly arranged in the direction perpendicular to the track; the brake pad image collecting device comprises a plurality of collecting boxes, the collecting boxes, the brake pads and the brake disc form a 3D triangular relation, and images of the brake pads and the brake disc are comprehensively collected in real time. According to the utility model, the problem of full-coverage detection universality of brake pads and brake discs of brake systems on different motor train units with different positions, different numbers, different types and different specifications can be solved; and meanwhile, the problems that the acquired images are missing, unclear, incomplete and the like, which are not beneficial to complete coverage, complete contour and high-definition image detection of the brake disc and the brake pad of the brake system are solved.

The present invention relates to a backing plate for a brake pad of a disc brake, wherein the backing plate has a first side (10) and a second side (12) opposite and parallel to the first side (10). The first side (10) is configured for mounting to a caliper of the vehicle disc brake. The second side (10) is configured for fixation of a brake lining of the brake pad. The backing plate has a protrusion (20) extending away from the first side (10). The protrusion (20) forms a third side (22) of the backing plate and a fourth side (24) of the backing plate opposite the third side (22). The third side (22) is configured for resting against the caliper of the vehicle disc brake. The fourth side (24) is angled towards the third side (22) in a direction away from the first side (10). The invention further relates to a brake pad and a disc brake.

The invention relates to a brake element carrier body having a metallic main body, wherein a surface of the main body is at least partially, preferably completely, coated with an alloy, the alloy being diffused into the main body in a diffusion zone. This alloy is specified in advantageous embodiments.

1. The name of the design product: punch heat dissipation cooling pad (C1). 2. The use of the design product: the high temperature generated by the disc brake is discharged by the heat dissipation cylinder, reducing the occurrence of heat decay, making the brake safer. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

A brake lining (3, 130, 230) for a radially actuatable drum brake (1) of a utility vehicle has a lining support (32, 132, 232), at least one friction lining (31, 131, 231), said friction lining being provided on the lining support (32, 132, 232) and having a friction surface which is convex in the shape of a circular arc segment in the circumferential direction, and a pressure piece (7, 170, 270) which is secured to the lining support (32, 132, 232), said pressure piece (7, 170, 270) being positively and / or frictionally held in the radial direction with the aid of at least one holding element. The invention also relates to a drum brake.

The utility model relates to the technical field of dismounting tools, in particular to a brake pad dismounting device of a passenger train braking system. Comprising a sliding block base, a rectangular sliding block is slidably connected to one side of the sliding block base, a clamping block is connected to the side, away from the rectangular sliding block, of the sliding block base, a bearing seat is connected to the bottom of the sliding block base, an L-shaped pressing plate is connected to the top of the rectangular sliding block, and a lead screw is in threaded connection with the lower portion of the rectangular sliding block; the bottom end of the lead screw is fixedly connected with a hexagonal rotating rod, and the joint of the lead screw and the hexagonal rotating rod is rotationally connected with the bearing seat through a bearing. According to the brake lining dismounting device of the passenger train braking system, the production efficiency is improved, the unfavorable trouble existing in the production process is solved, and the safety risk is reduced.

A method for determining a state of a brake lining on a wheel brake of a brake system of a motor vehicle is disclosed. The wheel brake has an electromechanical brake actuator which is designed to build up a force, such as a braking force, acting on a brake disc of the brake system by pressing the brake lining against the brake disc, and which is assigned to a first axle of the motor vehicle. The method comprises the steps of: detecting a first wheel rotation rate and / or first wheel speed of the first motor-vehicle axle assigned to the electromechanical brake actuator; detecting a second wheel rotation rate and / or first wheel speed of the second motor-vehicle axle; and determining the state of the brake lining on the basis of the first and second wheel rotation rate and / or wheel speed. A method for operating a brake system of a motor vehicle, a computer program product, a control unit and a vehicle brake system are also disclosed.

A vehicle monitoring system (190; FIG. 1) and method of monitoring a first component 101 of a brake assembly, for example for monitoring automatic slack adjuster, brake lining, brake drum, cam, brake

The brake lining for the railway vehicle comprises a back plate used for being connected with the vehicle, a first groove is formed in the side wall of the back plate, a friction plate made of non-asbestos organic materials is fixedly connected to the side wall of the back plate, the corners of the friction plate are subjected to chamfering treatment, and the first groove is formed in the side wall of the back plate. Scale marks are fixedly connected to the side wall of the friction plate, a cross-shaped groove is formed in the friction plate, the friction plate is arranged, the friction plate is made of non-asbestos organic materials, the friction coefficient of the non-asbestos organic materials is low, aggressiveness to a brake disc is smaller, braking noise can be remarkably reduced, and the service life of the brake disc is prolonged. The friction plate is subjected to straight chamfering treatment, the noise performance under the cold-state working condition can be improved, the cross-shaped groove is formed in the upper end of the friction plate, and the braking noise can be further reduced by increasing the heat dissipation area of the friction face and improving the stability of the friction film through the design of the cross-shaped groove.

The invention discloses a rare earth lubricated high-speed train brake pad and a preparation method thereof. The train brake pad comprises iron and copper mixed powder, flake graphite and granular graphite mixed powder, molybdenum disulfide, alumina fibers, high-carbon ferrochrome powder, chromium powder and rare earth element powder. The prepared high-speed train brake pad is prepared through the processes of powder mixing, cold pressing forming and hot pressing sintering. The high-speed train brake pad has the outstanding advantages that the cost of raw material powder is low; the problem of dispersity caused by nano powder is avoided, the sintering densification process is also promoted by adding rare earth elements, the whole preparation process of the brake pad material is relatively simple, and large-scale production is easy; through the collaborative design of chromium and rare earth elements, the brake lining material has the capacity of self-adaptive adjustment along with the change of braking conditions. The iron-copper-based brake pad prepared through the method can be well matched with a carbon-ceramic brake disc at the speed of 400 km / h or above, and stable and high friction coefficient and wear resistance are achieved.

The invention relates to a wheel brake device (1) for a brake system of a motor vehicle, having a brake holder (2), a brake caliper (3) mounted displaceably on the brake holder (2), a drivable actuator (4), in particular an electric machine, connected to the brake caliper (3), a first brake lining (5) displaceable by means of the actuator (4), a second brake lining (6) displaceable by means of the brake caliper (3), in particular connected with the brake caliper (3), and a brake disc (7), wherein the brake linings (5, 6) are associated with different sides (10, 11) of the brake disc (7) and are mounted so as to be displaceable towards one another in order to produce a braking force. According to the invention, the wheel brake device (1) has at least one first path-reversing linkage (12), and the brake linings (5, 6) are coupled resiliently to one another by means of the linkage (12).

The invention relates to a braking device (17) for braking a traveling basket (9) of an elevator system (1), comprising: a spring element (21) for applying a spring force to a brake lining (15); the main guide unit (25) is provided with a main guide shell (27) and a main guide piston (29), the main guide piston can move in the main guide shell, and a main guide containing cavity (37) filled with brake fluid (35) is defined by the main guide piston and the main guide shell; a slave unit (39), which has a slave housing (41) and a slave piston (43), which can be moved in the slave housing and which together with the slave housing encloses a slave chamber (47) filled with brake fluid, a reaction force can be applied to the slave piston by enlarging the slave chamber, and the slave piston can be coupled to the brake lining in such a way that the slave piston can be coupled to the brake lining. Causing the reaction force to be transmitted to the brake lining in a direction opposite to the spring force; a hydraulic line (49) which connects the main chamber and the subordinate chamber; an actuator (53) for moving the leading piston; a compensation container (67); and a control valve (61) which can be displaced between a shut-off position and a through-flow position and which has a first connection (63) which is connected to the compensation container and a second connection (65) which is connected to the primary chamber and / or the secondary chamber, the connections being separated from each other in the shut-off position and connected to each other in the through-flow position.

The present invention provides a hot-pressing mold for automobile brake linings that is easy to demold, and relates to the field of automobile brake lining production. The hot-pressing mold for automobile brake linings that is easy to demold comprises a proportional hot press, which comprises a frame, a mold placement frame fixedly mounted in the middle of the frame, and an upper extrusion plate and a lower extrusion plate that can move toward each other are respectively provided on the upper and lower sides of the frame, wherein the upper extrusion plate can slide back and forth. The hot-pressing mold for automobile brake linings that is easy to demold places friction material inside an inner shell and places a back plate at the top of the inner shell. The hot-pressing mold for automobile brake linings is achieved by heating the material with a heating pipe and extruding the upper and lower extrusion plates. After the hot-pressing is completed, the heating pipe stops heating, and an extension pipe supplies air to a cooling channel through an external air supply mechanism to accelerate heat dissipation, thereby cooling the automobile brake lining, thereby avoiding high temperatures that may cause adhesion and demolding failure during demolding.

The present invention discloses a wire winding and unwinding device for a transformer coil, comprising: a base assembly, a wire winding and unwinding assembly, a wire tension adjusting assembly, and a control assembly; the wire winding and unwinding assembly is arranged on the base assembly, the wire tension adjusting assembly is connected to the wire winding and unwinding assembly, and adjusts the tension of the wire through the wire winding and unwinding assembly; the control assembly is electrically connected to the wire winding and unwinding assembly and the wire tension adjusting assembly respectively, and controls the wire winding and unwinding assembly to wind and unwind the wire. By controlling the tension during wire unwinding through the wire tension adjusting assembly, the defect in the prior art of only adjusting the wire tension by the tightness of the brake lining is overcome, the tension of the wire is kept stable, the quantitative adjustment of the wire tension is realized, and the stability of the wire winding and unwinding device is improved.

The utility model relates to a drum brake of a bicycle, a wheel assembly and the bicycle. The drum brake has a braking state and a non-braking state and comprises a drum brake disc arranged on a wheel of the bicycle and provided with a first side and a second side which are opposite to each other; the brake rocker arm is rotatably arranged on the first side of the drum brake disc and faces upwards; the leading shoe is rotatably arranged on the second side of the drum brake disc; the slave shoe is rotatably arranged on the second side of the drum brake disc; the cam is arranged on the second side of the drum brake disc and connected with the brake rocker arm, the cam comprises a first matching surface and a second matching surface which are deviated from each other, in a non-brake state, the first matching surface is in contact with the leading shoe, the second matching surface is in contact with the trailing shoe, and a first distance is formed between the first matching surface and a rotating shaft of the cam; and a second distance is formed between the second matching surface and the rotating shaft of the cam, and the first distance is greater than the second distance, so that the leading shoe is contacted with a lining on a wheel earlier than the trailing shoe in a braking state.

Pneumatically actuated drum brake (100) for a vehicle (200a), in particular a commercial vehicle (200b), wherein the drum brake (100) comprises: a brake drum (110) with two radially extended annular braking surfaces (115); a brake carrier (120) arranged radially inside the brake drum (120); an annular brake lining arrangement (130); and a pneumatically actuated ring piston arrangement (160) for applying an axially acting clamping force of the brake lining arrangement (130) against the braking surfaces (115); wherein the brake carrier (120) comprises an air supply arrangement (125); and the air supply arrangement (125) is configured to be pneumatically actuated for the pneumatic actuation of the ring piston arrangement (160).

A brake carrier (4) for a disc brake (1) of a utility vehicle has a frame-like base with two bridge struts (41), which are oriented parallel to one another and the ends of which are connected to one another via disc-encompassing elements (42), and carrier horns (43) which project from the base at a distance to one another and, together with the respective bridge struts, form lining housings (10, 11) for receiving brake linings, an adapter (6, 7, 8) for fixing a brake dust collector (5) being provided on the lower face, facing away from the lining housings (45), of the base in the region of at least one of the disc-encompassing elements (42). The invention also relates to a disc brake (1).

An actuator assembly for an electromechanical vehicle brake is proposed, having a brake caliper in which an intermediate space for a brake rotor is formed, wherein a brake lining, which can be applied to the brake rotor, is arranged in the intermediate space, a spindle drive which has a spindle sleeve, a spindle nut and a drive shaft, driven by an electric motor, for adjusting the spindle nut in an axial direction via the spindle sleeve, wherein the spindle nut is movable between an extended and a retracted position by axial adjustment and the drive shaft is coupled to the spindle sleeve via a gear mechanism, and wherein the gear mechanism is arranged at least partially inside the spindle nut and / or the spindle sleeve in the axial direction.

The utility model relates to a brake disc structure with an adjusting screw gap adjusting function, and belongs to the technical field of brake discs, the brake disc structure comprises a shaft center and a magnetic pole bracket, the shaft center penetrates through a gap of the magnetic pole bracket, a brake plate is arranged at the end of the shaft center, an electric cabinet brake lining is arranged on one side face of the magnetic pole bracket, and the electric cabinet brake lining is arranged on the other side face of the magnetic pole bracket. The top of the brake plate is connected with an adjusting connecting plate, and a positioning screw penetrates through the middle of the adjusting connecting plate. According to the brake disc structure with the adjusting screw gap adjusting function, the brake disc and the axis are connected through the positioning screw, then the connecting plate is adjusted to be matched with the adjusting screw to be connected with the brake plate, and therefore when the brake disc is adjusted in the later period, an electric cabinet lining can be flexibly adjusted relative to a stop plate; and the contact surface of the brake plate and the electric cabinet lining can be adjusted to a certain degree, and the brake plate can be repeatedly used for many times, so that the maximum use limit of the brake is facilitated, and the practicability of the device is improved.

The utility model discloses a semiconductor production equipment brake which comprises a coil body shell, a rubber ring is fixedly connected to the interior of the coil body shell, a connecting layer is fixedly connected to the right side of the exterior of the coil body shell, an armature plate is slidably connected to the interior of the connecting layer, and a lining is fixedly connected to the right side of the exterior of the armature plate. A brake plate is arranged in the brake lining, an elastic assembly is arranged in the coil body shell, a gear shaft sleeve is fixedly connected to the right side of the exterior of the brake plate, a protection assembly is arranged on the right side of the exterior of the connecting layer, and a driving shaft is fixedly connected to the interior of the gear shaft sleeve. According to the utility model, transverse reciprocating movement can be carried out by utilizing the rigidity of the brake plate, and the shaft sleeve is tightly locked on the axis of the motor by utilizing an opening opposite locking mode, so that the problems that a lateral rotation multiple gap exists after stopping and braking cannot be carried out when a circuit is out of order are solved.