189 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.

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 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.

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.

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 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.

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 following description relates to a braking device (13) for a car (5.1, 5.2, 5.3) of an elevator system (1), comprising a braking device housing (14) designed to be mounted on the car (5.1, 5.2, 5.3) and subjected to a braking force in a first transverse direction (Q.1), a brake shoe (16) and a brake lining (17), wherein the brake shoe (16) is wedge-shaped with a first chamfer (19.1), wherein the braking device housing (14) has a second chamfer (19.2) and the brake shoe (16) can slide on the second chamfer (19.2), wherein a spring element (20) is arranged between the braking device housing (14) and the brake shoe (16) which pushes the brake shoe (16) upwards, wherein roller plates are provided on the chamfers (19.1, 19.2). (21.1, 21.2) are held and wherein between the inclined surfaces (19.1, 19.2) a linear roller bearing (23) with a plate-shaped roller cage (23.1) and rollers (23.1) received therein is located.2) is arranged, wherein the linear roller bearing (23) is covered in a second transverse direction (Q.2) by a retaining element (26).

Brake caliper unit with wear detection system and method for measuring brake lining and brake disc wear of a disc brake caliper unit. A disc brake caliper unit (1, 1'), particularly for railway vehicles, comprises two caliper levers (2, 3), a brake cylinder (8), a self-adjusting module (9), brake linings (4, 5), and a wear detection system (11, 11', 11'') having at least one detection element and an analysis unit (12). The wear detection system (11, 11', 11'') is articulated parallel to the self-adjusting module (9) or the brake cylinder (8) between the two caliper levers (2, 3). Figure for the abstract: Fig. 2

The invention relates to a drum brake (1) for a vehicle, in particular for commercial vehicles, comprising a brake carrier (3), a brake drum (2) rotatable relative to the brake carrier (3) about a drum axis (TA) and having a drum opening (22), which has a circumferentially formed inner friction surface (28), wherein the brake carrier (3) is arranged inside the brake drum (2), and a brake lining arrangement (6), wherein the drum opening (22) is axially conical and widens in the direction of a particle collection unit (24) with which the drum opening (22) is connected, wherein the brake particles (25) generated during a braking process can be moved out of the drum opening (22) under the influence of the centrifugal force occurring during a rotational movement of the brake drum (2).

A brake device and a machine including the brake device. The brake device includes an actuator, a transmission, an expander device, a brake lining and a frictional surface. The actuator moves in a limited actuator actuation region, and in at least part of the actuator actuation region, the actuator turns the expander device about at least one fulcrum via the transmission. In at least part of the actuator actuation region, for the purpose of braking, the actuator presses the brake lining, via the expander device, in the direction of and onto the frictional surface to generate a pressing force and a braking torque resulting therefrom. The transmission has a non-linear transmission ratio that is not constant over at least part of the actuator actuation region. The transmission turns the expander device in accordance with the non-linearity.

The invention relates to a vehicle drum brake (1), in particular for commercial vehicles, comprising a brake carrier (5), a drum (3) rotatable relative to the brake carrier (5) about a drum axis (X) with a circumferentially formed inner friction surface (21), wherein the brake carrier (5) and the drum (3) define a drum housing (14), a brake lining assembly (7) with several radially movable lining carriers (11), on each of which a brake lining segment (9) is provided facing the friction surface (21), wherein the drum (3) and the brake lining assembly (7) are arranged on a first side (2) on the brake carrier (5), and the drum brake (1) has a service brake device (32) and a parking brake device (29) for actuating the brake lining assembly (7).It is proposed that the drum brake (1) is characterized in that the drum brake (1) has an actuator (23) with an actuator housing (22) which is arranged on the brake carrier (5) on a second side (8) opposite the first side (2), wherein the actuator housing (22) has the parking brake device (29).

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 relates to the technical field of heavy cranes, and discloses heavy hoisting equipment which comprises a hoisting motor and a block brake, the block brake comprises a pull rod, a brake tile, a brake wheel, a lever and a pusher, and the pusher is started in a delayed mode based on the hoisting motor. The hoisting motor provides torque firstly, and then the pusher releases the clamping braking state of the brake tile and the brake wheel. The hoisting motor and the pusher are started in a staggered mode, and the situation that when the hoisting motor does not reach the hoisting torque in the starting stage, a heavy object slides to a hook can be prevented; by arranging the damping mechanism, time-staggered starting is achieved, the system precision requirement for controlling a timestamp can be lowered, smooth starting transition of the hoisting motor and the brake wheel can be achieved, and guarantee is provided for starting smoothness of a hovering heavy object; the damping structure is combined with a brake tile abrasion condition verification method, the inspection window period of technicians is compensated, and the possible excessive abrasion condition in the window period is avoided.

The utility model discloses a punching sheet brake which comprises a movable plate, a static plate, iron cores and coils, the iron cores are formed by laminating multiple layers of punching sheets, the iron cores are fixedly arranged on the two sides of the static plate, and annular empty grooves capable of enabling the coils to be sleeved in are jointly arranged between the side portion of one face of the static plate and the iron cores on the same side. The movable plate is arranged between the static plate and the brake lining used for braking, a gap is formed between the movable plate and the static plate, a protruding column is arranged in the middle of the movable plate and inserted into a hole in the center of the static plate, an adjusting nut is arranged on the side, penetrating out of the static plate, of the protruding column, and blind holes are symmetrically formed in the face, facing the movable plate, of the static plate. Springs abutting against the movable plate are arranged in the blind holes, and the other face of the movable plate is used for being matched with a brake lining. The utility model aims to provide the punching sheet brake which is easy to manufacture in batches and simple to process, and the static plate only needs to bear mechanical force.

Disc brake for a commercial vehicle with a brake calliper (1) which spans a brake disc (3) and in which a brake application device which can be actuated by a brake cylinder (16, 17) is arranged, by means of which brake pads (4, 4') positioned in a vehicle-side brake carrier (2) can be pressed against the brake disc (3) on both sides during braking, wherein the brake calliper (1) is mounted on sliding guides (5) fastened to the brake carrier (2) in an axially displaceable manner with respect to a rotational axis (D) of the brake disc (3), and each brake pad (4, 4') has a pad carrier plate (11) which carries a friction pad (11') and has a pad retaining spring (10) on which a pad retaining bracket (8) which is fastened to the pad and spans a mounting opening (28) of the brake calliper (1) is supported, characterized in thatthat at least on the lining carrier plate (11) of the reaction-side brake lining (4') on its side facing the lining retaining spring (10) there is provided a hump-shaped vibration stop (12) which is covered by the lining retaining bracket (8) and spanned by the lining retaining spring (10), which has a flat surface on its side facing the lining retaining bracket (8) and bears with its side edges against the lining retaining spring (10) during a pivoting movement of the brake calliper (1) occurring during driving operation, wherein the dimension of the vibration stop (12) is smaller than the associated width of the lining retaining bracket (8), wherein a gap (23) is formed between the vibration stop (12) and the lining retaining spring (10) in the overlap area with the lining retaining bracket (8), and wherein the lining retaining spring (10) in the rest state of the brake calliper (1) is not yet at the edges of the vibration stop (12) for When the pad retaining bracket (8) is moved so far against the brake pad (4'),that the pad retaining spring (10) comes into contact with the edges of the vibration stop (12), a free span (29) of the pad retaining spring (10) is reduced to a width (30) of the vibration stop (12) and has a drastically increased spring rate upon further deflection.