1097 results about "Brake pad" patented technology

The invention provides a brake pad end face slotting machining device, and belongs to the technical field of milling. Comprising a milling device body, a first motor is installed at the top of the milling device body, a milling cutter driving mechanism is installed at the top of the milling device body, a milling cutter body is installed on the milling cutter driving mechanism, and a second motor is installed at the top of the milling device body. By arranging the limiting and fixing mechanism and the overturning auxiliary mechanism, the milling cutter body can be flexibly adjusted in any position of the top space of the milling device body through the first motor and the milling cutter driving mechanism, and the milling cutter body can conveniently conduct milling treatment on a brake pad body placed at the top of the milling device body; and in the milling process of the brake pad body, the brake pad body can be quickly and stably mounted on the first movable block through the limiting and fixing mechanism.

A brake system (10) comprising: a brake caliper (12) supporting a brake pad (14), and having a first brake piston (24) and a second brake piston (28) that are configured to move the brake pad; a first rotary to linear stage mechanism (32) connected to the first brake piston, and a second rotary to linear stage mechanism (34) connected to the second brake piston; a motor (42) configured to generate torque; a torque distributing assembly (40) configured to receive torque from the motor and then distribute the torque from the motor to the first rotary to linear stage mechanism to move the first brake piston and / or to the second rotary to linear stage mechanism to move the second brake piston; wherein the torque distributing assembly comprises: i) a first driving gear (44) connected to the first rotary to linear stage mechanism; ii) a second driving gear (46) connected to the second rotary to linear stage mechanism; iii) a first set of planet gears (72) supported on respective first axles (74); iv) a second set of planet gears (98) supported on respective second axles; and v) a first carrier plate (88) having a plurality of support features each configured to support a respective one of the first axles and a respective one of the second axles.

The invention discloses a testing device for an electronic mechanical brake caliper component. The testing device comprises a base, a fixing component, a first displacement testing component, a second displacement testing component and a brake disc simulating component. The base comprises a bearing surface, and a guide rail is arranged on the bearing surface; the fixing part is movably connected with the guide rail and is used for supporting the electronic mechanical brake caliper part; the first displacement testing part is arranged on one side, located in the first direction, of the fixing part and is used for measuring the displacement of the electromechanical brake caliper part; the second displacement testing part is arranged on the other side, located in the first direction, of the fixing part and used for measuring the displacement of the electromechanical brake caliper part; the brake disc simulating part is arranged between the fixing part and the first displacement testing part so as to detect the pressure of the brake pad. Through the scheme of the application, multiple parameters such as clamping force, displacement, response time, brake pad stress distribution and the like of the electronic mechanical brake caliper component and the relationship among the multiple parameters can be tested.

The invention concerns a Brake carrier (10) for disc brake arrangement (11), the disc brake arrangement (11) having brake pads (24) that are displaceable relative to a brake disc (100), wherein the brake carrier (10) is configured to support the brake pads (24) during their displacement; wherein the brake carrier (10) comprises at least a first portion (14) that is arrangeable on a first side (13) of the brake disc (100), a second portion (16) that that is arrangeable on a second side (15) of the brake disc (100) and two connecting portions (18, 20) each connecting the first and second portions (14, 16); wherein at least one of the connecting portions (18, 20) comprises an air channel (12) having a first end (34) that is arranged so as to face towards the brake disc (100). Also disclosed is a disc brake arrangement (11) comprising such a brake carrier (10).

The application relates to the brake pad manufacturing field and particularly relates to a brake pad cleaning equipment, which comprises a frame body, ultrasonic oscillators are installed on the frame body, a cleaning cavity is arranged in the frame body, a fixed connecting plate is fixedly installed in the frame body, a guide rod is fixedly installed on the fixed connecting plate, a lifting plate is slidably arranged on the guide rod, a brake pad is placed on the lifting plate, a guide column is fixedly installed on the fixed connecting plate, an arc-shaped guide groove is arranged in the guide column, a connecting piece is slidably installed on the guide column, the connecting piece is connected with the lifting plate, a connecting protrusion is integrally connected on the connecting piece, and the connecting protrusion is in sliding contact with the arc-shaped guide groove. In the application, when the lifting plate moves downwards along the guide rod, the lifting plate rotates, the brake pad is driven to move upwards and downwards, the brake pad is rotated, and the cleaning effect is good.

The invention discloses a reciprocating type passenger ropeway constant deceleration control system, and relates to the technical field of brake control. According to the method, the first-stage constant deceleration braking mode and the second-stage constant torque braking mode are set, analysis is carried out through the second-stage braking conversion algorithm, the deceleration abnormal index, the speed tracking abnormal index and the response abnormal index are output, then the mode abnormal total value is obtained, the braking state is judged, self-adaptive mode switching is achieved, and the braking efficiency is improved. Constant braking deceleration is maintained, swinging of a hanging box is reduced, comfort of passengers is improved, brake rubber abrasion is reduced, meanwhile, regional debugging is not needed, and the operation difficulty of a construction site is reduced; hydraulic loop parameters are analyzed through a failure judgment logic algorithm set by the hydraulic redundancy protection module, a loop abnormal total value is output, and hydraulic loop switching is carried out based on the loop abnormal total value; and through visual display of the fault memory interaction module, the safety redundancy of the braking system is improved, fault tracing and maintenance are facilitated, and the running reliability of the cableway is guaranteed.

A disc brake system includes a carrier and a brake pad having a backing plate and a friction material supported by the backing plate. The backing plate and friction material are configured so as to minimize any possible interference with the caliper housing, while maximizing the strength and durability of the brake pad. A method of actuating a disc brake system is also provided.

The invention relates to the field of brake-by-wire systems, and discloses a control method and system for an automobile brake-by-wire system, and the method comprises the steps: collecting motor operation parameters, environment state parameters and vehicle dynamics parameters; based on the environment state parameters and a pre-calibrated environment compensation parameter table, environment compensation is carried out on the motor current signal and the rotation angle signal; carrying out load correction on the motor current signal and the rotation angle signal which are subjected to environment compensation; identifying a current key characteristic time period and a corner key characteristic time period respectively; generating a system reliability verification coefficient based on cross validation of the current key characteristic time period and the corner key characteristic time period; calculating an actual clearance value between a friction plate and a brake disc based on a system reliability verification coefficient, the corner signal after load correction and a pre-calibrated mechanical transmission parameter; and outputting a brake system control instruction based on the calculated actual gap value.

According to an aspect, there is provided an elevator parking brake comprising brake pads configured to provide a braking force against a guide rail in a loading and unloading situation of an elevator car; and at least one sensor. The elevator parking brake is configured to allow a predetermined amount of movement within the elevator parking brake in the loading and unloading situation of the elevator car, and the at least one sensor is configured to provide at least one indication associated with the movement within the elevator parking brake in the loading and unloading situation of the elevator car.

The invention discloses a brake pad life prediction and early warning system and method based on driving behaviors, and relates to the field of safety monitoring, and the method comprises the steps: S1, collecting multi-dimensional original data through a vehicle end burying point and a vehicle-mounted sensor; the multi-dimensional original data comprises driving behavior related data and environment data; s2, performing preprocessing and feature extraction on the multi-dimensional original data to generate a driving behavior feature vector; s3, establishing a driving behavior feature model based on the driving behavior feature vector, calculating a driving behavior score and generating a driving habit file; s4, based on a material mechanics principle and a statistical method, in combination with a driving behavior characteristic model output result, brake contact pressure, relative sliding speed, environment temperature and vehicle mass, establishing a wear prediction model, and calculating accumulated wear loss, wear rate and residual life; and S5, comparing the residual life with a preset threshold value, determining an early warning level in combination with the behavior tolerance, and generating early warning information.

Brake pad thickness size high-precision sorting and unqualified product removing equipment relates to the technical field of brake pad detection and sorting and comprises a horizontal supporting pedestal, a feeding conveying assembly, a high-precision detection assembly and a sorting and removing assembly are sequentially arranged on the horizontal supporting pedestal, and the feeding conveying assembly achieves stable and continuous conveying of brake pads through chain wheel transmission; the high-precision detection assembly is combined with laser bidirectional contrast measurement and a hyperspectral visual detection technology, and is matched with a multidirectional remeasurement function to synchronously complete thickness dimension and appearance defect detection; the workpiece conveying and concentrating mechanism can automatically correct the position of the brake pad; the sorting and removing assembly achieves automatic classified discharging of qualified products and unqualified products according to the detection result. The problems that in the brake pad detecting and sorting process in the prior art, feeding and conveying are not stable, the detection precision is low, the omission ratio is high, the workpiece position deviates, sorting automation is insufficient, equipment layout is loose, maintenance is inconvenient and the like, and the production efficiency and the product quality are affected are solved.

The application relates to a brake pad for a disk brake system and to a disk brake system. The proposed brake pad comprises a back plate having a front side for facing a brake disk of the disk brake system and a friction layer arranged on the front side of the back plate for contacting a friction surface of the brake disk. The brake pad further comprises an underlayer arranged between the front side of the back plate and the friction layer. The back plate comprises a recess. The underlayer extends into the recess of the back plate.

The utility model discloses a kind of automobile parts positioning tool, including base, base is equipped with rack, the top of rack is equipped with mounting plate, drive mechanism in mounting plate, the output end of drive mechanism is equipped with drill bit;Base is equipped with guide rod and first screw rod, two groups of support blocks are symmetrically arranged on guide rod and first screw rod, the top of support block is equipped with limit frame, and positioning clamping mechanism is equipped on limit frame;The side of rack is equipped with first motor, and the output end of first motor is fixedly connected with first screw rod.In the utility model, through the positioning clamping mechanism on the two groups of support blocks and limit frame of symmetric arrangement, automobile brake pad can be stably clamped and positioned from two sides, cooperate first motor to drive first screw rod to drive support block to move, and different sizes of brake pad can be adapted.

This application relates to the field of brake friction material technology, specifically disclosing a brake pad compound, a synthetic brake pad, its preparation method, and its application. The brake pad compound provided in this application comprises the following components in parts by weight: 10-13 parts liquid nitrile rubber, 8-12 parts modified phenolic resin, 20-40 parts reinforcing fiber, 8-12 parts calcium hydroxide, 1-3 parts light magnesium oxide, 10-15 parts calcium carbonate whiskers, 2-5 parts calcined alumina, 10-15 parts graphite, 5-10 parts heavy calcium carbonate, 0.8-1.2 parts sulfur, and 0.8-1.2 parts accelerator; the reinforcing fiber comprises steel fiber, aramid fiber, and mineral fiber in a weight ratio of (10-25):1:(5-15). The brake pad compound and the method for preparing the synthetic brake pad provided in this application can produce synthetic brake pads with good frictional stability and small batch-to-batch variations, resulting in high safety and reliability when used in traffic vehicle braking systems.

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.

The utility model provides automobile brake pad back plate surface polishing equipment, which belongs to the technical field of automobile part machining and comprises a machining table, a polishing mechanism and a dust fall collecting mechanism. The machining table provides stable supporting, the dustproof frame isolates scrap iron and dust generated during grinding, the fixing base is convenient to assemble and disassemble through the sliding rail and the handle, and the fixing groove ensures accurate positioning of the brake pad. The grinding mechanism drives a grinding roller through a servo motor and cooperates with an electric air cylinder to push a mounting frame to move, and efficient and automatic grinding is achieved. The dust fall collecting mechanism sprays water mist through an annular pipe and an atomizing spray head to adsorb dust, dust-containing liquid is guided to a collecting frame through a drainage hole and a drainage channel, scrap iron is separated through a filtering frame, and the dust is discharged in order through a drainage opening. Therefore, the problems that according to traditional grinding equipment, scrap iron flies, the health of workers is harmed, and cleaning is tedious are solved.

An automatic drilling machine for brake pad steel backing includes a drilling device, a base, a position adjustment device, a steel backing support device, and a material conveying device. The drilling device includes a central shaft, a support frame, a moving frame, a guide cylinder, and a linkage mechanism. The support frame is moved by the position adjustment device. The central shaft is slidably and rotatably mounted on the support frame, and a drill bit is fixedly mounted at the front end of the central shaft. The moving frame is slidably and rotatably mounted on the support frame, and a plurality of flip plates are rotatably and elastically mounted at the front end of the moving frame. A cleaning brush is fixedly mounted on the inner side of the flip plate, and a guide groove connecting the inner and outer sides is provided. The guide cylinder is slidably and elastically mounted on the support frame through a guide cylinder mounting frame, and an inlet communicating with a coolant pipe is provided on the guide cylinder, and a guide groove is fixedly mounted thereon. A cutting blade mounting ring is rotatably mounted inside the guide cylinder, and a plurality of cutting blades are fixedly mounted on the cutting blade mounting ring. This invention can effectively guide the flow direction of the coolant and cut long drill chips into small segments during drilling.

The utility model discloses a brake shell of numerical control machine tool, including the casing of hollow structure and annular armature, the outer wall fixedly connected with the shaft sleeve of annular armature, the outer wall of casing and annular armature all are set up with annular groove, and the inside of two annular grooves places brake pad and brake piece respectively, the outer wall of casing and annular armature all are set up with two butt joint holes, the outer wall fixedly connected with two T type butt joint columns of brake pad, the outer wall fixedly connected with two first spring of annular armature. The utility model through the orientation limit of locating post to brake piece when braking, can ensure that brake piece moves stably and is in even contact with brake pad, and the stable and reliable braking effect is obtained, through pressing the pressing piece of quick detach assembly, can easily remove the limit of brake pad and brake piece, realizes the quick maintenance replacement of brake pad and brake piece, greatly shortens the maintenance time, and improves equipment utilization and production efficiency.

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.

To provide a brake caliper capable of coping with wear of a brake pad.SOLUTION: By having the sleeve member 65 and the bolt member 68 in threaded engagement with each other and adapted to be actuated by the brake lever means 6 to move the first brake pad 41 towards the brake rotor, wherein the bolt member 68 is adapted to rotate and move relative to the sleeve member 65 when the first brake pad 41 is moved by the piston means actuated by the brake pedal, the travel distance required for the bolt member 68 driven by the brake lever means 6 to perform its braking function remains substantially the same even if the amount of wear on the brake pads increases.SELECTED DRAWING: Figure 4

The invention belongs to the technical field of image data processing, and particularly relates to a brake pad surface damage detection method and system based on machine vision, and the method comprises the steps: obtaining an image of the surface of a brake pad, and calculating the gradient vector of each pixel point; constructing a gradient interaction field based on the intensity of the gradient magnitude and the gradient direction angle, and obtaining the structural significance of each pixel point; path searching is carried out in the local main direction, and linear propagation potential energy of each pixel point is obtained by accumulating structural significance and direction consistency weights of the pixel points on the path; and adaptive threshold segmentation and morphological processing are carried out based on the linear propagation potential energy diagram, and accurate detection of the surface damage area of the brake pad is realized. According to the invention, the technical problems of strong noise interference on the surface of the brake pad and difficulty in detection of discontinuous micro crack characteristics are solved, and the robustness and accuracy of damage detection are improved.

The utility model discloses a convenient to replace's car brake pad, including fixed frame, the both sides of fixed frame are all fixedly connected with the link block, is equipped with the slot on the link block, and the link strip is inserted in the slot, and the through -hole is uniformly equipped with the link strip on, and the spring rod is inserted in the through -hole, and the spring rod swing plug link block, the both sides of fixed frame are all fixedly connected with electric push rod, and the electric push rod output is fixedly connected with the moving plate, and the moving plate one side is fixedly connected with the extension block, and the extension block one side is connected with the adjusting lever of screw thread, and the adjusting lever one end is fixedly connected with the adjusting disc, the utility model discloses through link strip and spring rod makes fixed frame and car calliper link, and the card plate is inserted simultaneously from the calliper observation hole and links car brake pad or brake calliper pump piston to the rotation adjusting lever, then utilizes electric push rod to drive the moving mode of moving plate and carries out extrusion to brake pad and brake calliper pump piston, thereby convenient for the follow -up replacement of brake pad, and the replacement efficiency is promoted.

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.

System for estimating a coefficient of friction (Cp value) between brake pad and brake disc of a hydraulic braking system of a motor vehicle, comprising: at least one hydraulic braking system that acts on at least one wheel of the motor vehicle; at least one further actuator system comprising an EM single-wheel motor, which can apply a torque to at least one wheel with a higher positioning accuracy than the hydraulic braking system, causing a yaw moment on the vehicle; at least one sensor; a unit for calculating an estimated coefficient of friction (Cp value) from the sensor data.

Electric motor system (1) comprising: a housing (10); a drive shaft (20) rotatably mounted to rotate relative to the housing (10); an electric motor (30) installed in the housing (10) comprising a motor stator (31) attached to the housing (10) and a motor rotor (33) mounted on the drive shaft (20) to rotate relative to the motor stator (31);a brake arrangement (40) comprising a brake rotor (43) mounted on the drive shaft (20) within the housing (10) to rotate relative to the housing (10), the brake arrangement (40) further comprising a brake stator (41) with a brake pad (42) configured to be pressed against the brake rotor (43), the brake rotor (43) being adjacent to the motor rotor (33) to allow heat conduction from the brake rotor (43) to the motor rotor (33), the motor rotor (33) and the brake rotor (43) each having a contact surface extending around the drive shaft (20), the contact surface of the brake rotor (43) being adjacent to the contact surface of the motor rotor (33).

The present disclosure in some embodiments provides an electro-mechanical brake comprising a piston configured to push a brake pad towards a wheel disc by driving a motor, the electro-mechanical brake comprising: a position detection unit detecting a position of the piston; a current detection unit detecting a value of current flowing through the motor; a motor controller controlling a motor to move the piston toward the wheel disc for a preset time when a vehicle is stopped; and a contact point calculation unit calculating a contact point that is a position of the piston when the brake pad starts to contact with the wheel disc, based on a first position that is a position of the piston when a first current value is detected, using the current detection unit.

This utility model relates to the technical field of brake pad production and processing equipment, and discloses a brake pad edge grinding device, including a cylindrical box, a support frame, a support roller, a drive motor, a limiting component, multiple limiting baffles, an adjustment component one, two sliding frames, two mounting plates, two motors three, and an adjustment component two. The bottom inner wall of the cylindrical box is provided with a ash discharge port, a feed port, and a discharge port. The feed port and discharge port are located on the front and rear sides of the cylindrical box, respectively, and the ash discharge port is located at the bottom of the cylindrical box. Feed grooves and discharge grooves are fixedly installed in the feed port and discharge port, respectively. This utility model has the following advantages and effects: it can well adapt to the stable feeding, dynamic positioning, precise grinding, and stable discharge operation of brake pads of different sizes, while reducing workload and minimizing manual intervention, thereby effectively improving the efficiency of brake pad grinding and processing.

The utility model relates to the technical field of brake technology, in particular to a brake assembly for a wheelchair, which comprises a shaft body, a polygonal sliding groove is arranged in the middle of the surface of the shaft body, and a mounting seat is fixedly connected with the wheelchair through a support. Annular teeth are fixed to the surfaces, close to each other, of the brake disc and the sliding disc, an annular seat is arranged between the brake disc and the mounting seat, and brake pads are fixed to the surfaces, close to each other, of the annular seat and the brake disc; an electromagnetic coil is arranged in the outer shell, and the outer shell is fixed on the other side surface of the mounting seat; the brake device has the beneficial effects that the sliding disc is installed on the outer side of the shaft body in a sliding mode, the annular base is arranged between the brake disc and the installation base, the annular base and the brake disc are driven to be close to the sliding disc through mutual extrusion between the wedge-shaped driving block and the wedge-shaped driven block, two annular teeth can also be meshed, and then the braking effect is achieved; and it is ensured that the device can be electrically braked and mechanically braked in the using process, and therefore potential safety hazards in the using process are reduced.

An electromechanical brake cylinder (2) for actuating a wheel brake (1), in particular a wheel brake (1) of a rail vehicle, comprises: an electric motor (3) with a rotor (5), a spindle nut (7), a torque transmission device provided between the rotor (5) and the spindle nut (7), and a threaded spindle (8). The spindle nut (7) and the spindle (8) are configured to convert a rotary movement of the spindle nut (7) into an axial movement of the spindle (8), wherein the axial movement of the spindle (8) can be converted into a movement of a brake pad (17) of the wheel brake (1) relative to a braking element of the wheel brake (1), and wherein the torque transmission device is configured to transmit a torque less than or equal to a maximum predetermined torque value between the rotor (5) and the spindle nut (7).

The utility model discloses an elastic reset type motor positive and negative rotation brake device, which relates to the technical field of motor control, and comprises a fixed shell and two brake pads, two limiting plates and two limiting rings are connected in the fixed shell in a sliding manner, two ends of each limiting plate are fixedly connected with the adjacent limiting rings, and the two ends of each limiting plate are fixedly connected with the corresponding brake pad. Two limiting rods are fixedly connected between the inner walls of the limiting ring, penetrate through the brake pad and are in sliding connection with the brake pad; a motor shaft body; according to the brake device, the first electric push rod is started to drive one of the clamping rings to be clamped with the positioning ring, and the clamped spring is replaced by starting the first electric push rod before the motor shaft body brakes, so that the spring is driven to contract to drive the brake pad to clamp and decelerate the motor shaft body, and brake resistance can be provided when the motor slides down in a power failure; when the motor slides down due to insufficient torsion, the motor shaft generates frictional resistance to prevent the motor shaft from rotating reversely.