3031 results about "Brake pad" patented technology

The invention discloses a long downhill section truck brake pad high temperature detection and cooling method and system, and the method comprises the steps: collecting the surface temperature data of a truck brake pad in real time according to high-precision infrared temperature sensor arrays and thermal imagers disposed at the two sides of a long downhill section, and generating a time-space correlation temperature field distribution diagram; based on the temperature field distribution diagram, dynamically adjusting a temperature safety threshold curve through reinforcement learning, and outputting a dynamic early warning trigger signal; according to the dynamic early warning trigger signal, a corresponding spraying instruction is generated so as to drive a piezoelectric ceramic microvalve array of a roadside spraying device to conduct spraying cooling on the brake pad; and according to the temperature attenuation rate and infrared thermal image feedback data of the brake pad after spraying, the temperature safety threshold curve and the spraying instruction are corrected through a Bayesian optimization algorithm, and closed-loop safety regulation and control are formed. According to the embodiment of the invention, the temperature of the brake pad can be monitored in real time, accurate spraying cooling control is realized, and safe and stable braking performance of a truck is ensured.

The invention belongs to the field of vehicle early warning, and particularly relates to a vehicle hidden danger recognition and safety early warning method and device, and the method comprises the following steps: collecting vehicle speed, tire pressure and road condition data, obtaining the states of key parts of an engine and a braking system through combining an OBD system, and achieving the dynamic perception of a whole vehicle; based on a deep learning algorithm, accurately identifying the too short distance of the front vehicle, fatigue driving, overspeed, area deviation, long-term left-occupying driving of a lane, vehicle retrograde driving and abnormal line pressing tracks; through vehicle-mounted OBD data and cloud large model analysis, potential mechanical faults of tire wear and brake pad aging are predicted, and maintenance suggestions are pushed in advance, so that a driver can be reminded of safety, the driving safety is improved, the hidden danger recognition capability is improved, safety preventive warning is performed on hidden dangers, the driving safety is ensured, and the driving safety is improved. Meanwhile, the vehicle can be guided to avoid high-risk or forbidden road sections, and the probability that the vehicle enters a dangerous or forbidden area is reduced.

The invention relates to the technical field of automobile braking, in particular to an EMB system active calibration method and device.The method comprises the steps that the current and temperature of a brake motor winding in an automobile are collected in real time, the temperature of a brake disc in the automobile and the running speed of the automobile are collected in real time, and based on the current temperature change of the brake motor winding, the braking accuracy of the brake motor winding is improved; compensating the current current of the brake motor winding; determining a wear sensitive factor of the current brake; according to the difference between the clamping rotation angle and the back-off rotation angle of the current and previous multiple braking, the accumulated net rotation angle of the current braking is determined; acquiring a current temperature correction coefficient and a speed correction coefficient; the dynamic wear rate of current braking is determined in combination with the accumulated net rotation angle; and triggering active calibration of the EMB system through the wear sensitive factor and the dynamic wear rate, determining a brake pad wear coefficient based on the wear sensitive factor, and correcting the target rotation angles of the left caliper and the right caliper. Therefore, the braking precision of the EMB system is improved.

The invention relates to the technical field of automobile active safety, in particular to an intelligent brake pad abrasion measuring method and system based on multi-sensor fusion, and the method comprises the steps that S1, multi-source sensing signals are synchronously collected, and wheel speed pulse signals and brake pressure signals from a vehicle CAN bus are received; s2, multi-modal signal feature extraction: carrying out time domain filtering processing on the original thickness signal to form a thickness change feature vector, carrying out space partition calculation on the temperature distribution signal to form a temperature gradient feature matrix, and carrying out wavelet packet decomposition on the braking vibration signal to form a frequency domain energy feature set; s3, dynamically fusing decisions, outputting a joint feature vector, and generating a wear loss estimated value and a confidence index; and S4, performing Kalman filtering correction on the wear loss estimated value according to the confidence index to form final wear thickness data. According to the brake pad wear intelligent measurement method and system based on multi-sensor fusion, the problem that brake pad wear cannot be accurately monitored and intelligently diagnosed online in real time can be solved.

The invention discloses a full-automatic welding device for automobile brake machining, which belongs to the technical field of brake welding and comprises a welding mechanism for welding a brake pad inner ring and a brake pad outer ring. The welding mechanism is provided with a front feeding mechanism used for feeding the inner rings of the brake pads and a rear feeding mechanism used for feeding the outer rings of the brake pads. A full-automatic feeding mechanism, a full-automatic clamping mechanism, a full-automatic welding mechanism and a full-automatic discharging mechanism are adopted, continuous welding operation of the inner ring and the outer ring of the brake pad is achieved through rotating disc type indexing conveying, manual intervention is remarkably reduced, the production efficiency is improved, and the large-batch production requirement is met; through cooperation of the cambered surface block and the clamping module driven by the spring, automatic clamping and loosening of the inner ring and the outer ring of the brake pad are achieved, it is guaranteed that a workpiece is accurately positioned in the welding process, displacement or loosening is avoided, and therefore the welding precision and the product consistency are improved.

The utility model discloses a grinding device for machining a special-shaped brake pad, and relates to the technical field of grinding equipment, in particular to the grinding device for machining the special-shaped brake pad, which comprises a grinding table, a first motor for controlling the grinding device to move, and a first cylinder positioned at the top of the first motor, a connecting piece is fixed to the top of the first air cylinder through a movable rod, a second air cylinder is installed on the left side of the connecting piece, a second motor is fixed to the left side of the second air cylinder through a movable rod, and an output shaft of the second motor is connected with a grinding disc. According to the grinding device for machining the special-shaped brake pad, chippings generated during grinding of the grinding disc are gathered through the splash-proof cover, the chippings are recycled into the recycling groove through the groove of the grinding table, cooling liquid can also gather the chippings, in addition, the reverse suction phenomenon occurs on the surface of the grinding table through rotation of the draught fan, the chippings can be sucked into the recycling groove, and the chippings can be recycled. Through the treatment, the chippings can be better recycled, and use of the grinding machine is not affected.

The utility model relates to the field of machine tools, in particular to a rotary table brake device and a machine tool, the rotary table brake device comprises a base, a rotating shaft, a working table, a brake assembly, a braking oil way and a reset structure, the brake assembly comprises a brake disc, a brake cylinder body, a brake piston and a brake pad, and a cavity is formed between the brake disc and the brake cylinder body; the brake piston is located in the cavity and divides the cavity into a first cavity and a second cavity which are not communicated, a preset gap is formed between the upper end of the brake disc and the lower side portion of the brake piston, one side of the brake pad is fixed to the rotating shaft, and the other side of the brake pad is located in the preset gap. The braking oil way is communicated with the first cavity to achieve braking of the rotary table, the reset structure is located in the second cavity or connected with the second cavity to achieve reset after braking, the rotary table braking device is simple and compact in overall structure, accurate braking can be achieved during braking, rapid and stable recovery can be achieved during resetting, and the service life of the rotary table is prolonged. And the stability and reliability of machine tool turntable operation are effectively improved.

A control method for an electro-mechanical brake including a piston configured to push a brake pad toward a wheel disk through driving of a motor, the control method for an electro-mechanical brake including: detecting positions of the piston and current values of the motor while braking is performed; detecting piston position-based estimated braking force values based on the detected positions of the piston; detecting current-based estimated braking force values based on the detected current values of the motor; determining that a state of the brake pad has changed from an initial state to another state when the piston position-based estimated braking force values and the current-based estimated braking force values are different from each other; determining whether a thickness or physical property of the brake pad has changed when determining that the state of the brake pad has changed from the initial state to the other state; setting a new home position by compensating for a preset home position when determining that the thickness of the brake pad has changed; and detecting an actual braking force value based on a movement distance of the piston from the new home position, wherein the home position refers to a position set so that the piston is disposed at the position at the time of non-braking.

A brake apparatus for a vehicle may include: a torque member having a pair of brake pads installed therein and spaced apart from each other, and configured to surround a brake disk; a caliper configured to cover the torque member, and having a gravitational center adjuster configured to adjust the position of a gravitational center toward the brake disk; a pair of guide rods configured to connect the torque member and the caliper, such that the caliper is slidably coupled to the torque member; and an actuator mounted on the caliper.

The invention discloses a vehicle brake pad wear degree prediction method and device based on working condition recognition, belongs to the field of brake pad wear degree prediction, and aims at solving the problems that in an existing vehicle brake system, brake pad friction prediction accuracy and robustness are poor; and wear prediction and brake system performance optimization cannot be efficiently and economically completed. The method comprises the following steps: carrying out clustering selection under difference maximization on a vehicle speed sequence of a vehicle to obtain a typical working condition; performing wavelet transform processing on the original vehicle speed sequences under different working conditions to obtain vehicle speed signals after reconstruction and noise reduction; carrying out matrix conversion related to a Gramer angle field on a plurality of subsequences in the vehicle speed signal under the typical working condition to obtain a two-dimensional image; extracting and calculating the spatial features and the time features in the two-dimensional image by using a hybrid neural network model to obtain a predicted value of the abrasion loss of the brake pad in the vehicle braking system at the current moment; and brake gain adjustment is conducted on a vehicle brake system, and the final brake torque is obtained.

The invention belongs to the technical field of stamping dies, and relates to a universal stamping die suitable for brake pad back plates of multiple models. The die comprises an upper die plate, a lower die plate and a guide pillar, the upper die plate can slide along the guide pillar, an upper die assembly is arranged on the bottom surface of the upper die plate, and a lower die assembly matched with the lower die plate is arranged on the top surface of the lower die plate. An upper barrel die of the upper die assembly is of a special-shaped barrel structure, and a side punching window is formed in the side face; the lower die assembly comprises a lower die frame, a lower core die and two lower side dies which are arranged on the two sides of the lower core die respectively and can ascend and descend, the lower side dies are flush with the top face of the lower core die during resetting, the lower side dies are provided with supporting structures in linkage with the upper die plate, and the supporting structures fail when the upper die plate descends to a specific position. A side punching assembly linked with the upper die plate is further arranged, and a side punching block can punch the side face of the lower core die. All the components are installed in a modularized mode and can be detached and replaced. The die can realize three procedures of blanking, flanging and bending in one stamping stroke, so that the production links are reduced, the efficiency is improved, the period is shortened, and the machining precision and the quality stability are improved.

The invention relates to the technical field of reciprocation pump control, in particular to a closed-loop control motor-driven ball screw reciprocation pump and a control method, and the closed-loop control motor-driven ball screw reciprocation pump is mainly characterized in that an outlet of a fluid end module is connected with a pressure sensor; the pressure sensor, the motor controller, the rotary transformer and the position sensor are electrically connected with the central controller, the central controller is used for outputting a control signal enabling the driving motor to rotate to the motor controller, and the motor controller is used for controlling the driving motor to operate. According to the scheme, a brake is removed, the defects caused by the brake are avoided, in the prior art, no matter whether a brake pad is abraded or the inertia problem of the brake exists, a brake system cannot be achieved in the industry of the reciprocating pump at all, and in the reciprocating pump, the brake pad is not abraded. The speed, the position and the thrust of the reciprocating pump device are accurately controlled in a full-digital manner through the central controller, so that the ball screw reciprocating pump with the structure achieves the purpose of industrial use in the industry.

The utility model discloses a flattening device for brake pad steel backing processing, which relates to the technical field of steel backing processing and comprises a base body, a mounting bottom plate is fixedly mounted at the top of the base body, a lower pressing tool is mounted at the center of the upper surface of the mounting bottom plate, and supporting columns are fixedly mounted at four corners of the mounting bottom plate. An oil press is fixedly installed at the top ends of the supporting columns, an upper pressing plate is fixedly installed at the output end of the oil press, and buffering assemblies are installed on the upper surface of the installation bottom plate and located on the two sides of the lower pressing tool. The piston rod drives the piston to the bottom of the piston barrel, gas in the piston barrel is squeezed into the gas outlet pipe and finally blown out through the gas blowing box, sweeps on the surface of the lower pressing tool are blown to fall into the collecting drawer, and after a period of time, an operator draws out the collecting drawer and cleans the sweeps in a concentrated mode. Scraps are prevented from being accumulated on the surface of the lower hold-down clamp to affect the follow-up flattening operation of the brake pad steel backing, and then the overall operation speed is prevented from being affected.

The invention relates to the technical field of friction plates for vehicles, and particularly discloses a resin-based friction plate for an aluminum-ceramic brake disc and a preparation method of the resin-based friction plate for the aluminum-ceramic brake disc. Steel fibers serve as a main reinforcing phase, the structural strength of the material is improved, and meanwhile the steel fibers are good friction increasing materials; the reduced iron powder can improve the heat-conducting property of the brake pad and reduce the decline of the friction coefficient at high temperature; the red copper powder and the brass powder are good lubricants, the stability of single braking can be improved, and meanwhile abrasion is reduced; the silicon carbide mainly plays a role in increasing the high-temperature friction coefficient; molybdenum disulfide is beneficial for improving the recovery performance after high-temperature decline and reducing abrasion; antimony sulfide is lubricated at high temperature, and the friction coefficient in the decline stage is increased; silicon carbide is a high-hardness material, so that the friction coefficient is increased; the potassium magnesium titanate lamellar crystal improves the damping characteristic of the material and absorbs vibration and reduces noise, and the resin-based friction plate has the advantages of being high in strength, good in heat conduction, stable in friction performance, resistant to abrasion, comfortable in braking and the like and meets the use requirement of an aluminum ceramic brake disc.

According to the brake device based on the motor, the motor is adopted to drive the threaded sleeve to rotate, the threaded sleeve drives the threaded rod to move, the pressure sensor is installed between the threaded rod and the brake seat, the clamping force between the brake pad and the brake disc is detected through the pressure sensor, on one hand, it can be guaranteed that the brake pad and the brake disc effectively clamp the brake, and the brake effect is guaranteed; on the other hand, the braking force can be detected, and the braking force is controlled through the motor, so that accurate control over the braking force is achieved; meanwhile, the brake displacement of the brake pad can be calculated through the rotation angle of the motor, the transmission between the motor and the brake seat and the size every time, and therefore the abrasion loss between the brake pad and the brake disc can be known by comparing the brake displacement with the brake displacement when the brake pad is not abraded; due to the fact that the brake disc is not abraded generally (the abrasion resistance of the general brake disc is far superior to that of the brake pad), the abrasion loss is basically the abrasion loss of the brake pad, and the abrasion loss of the brake pad and whether the brake pad needs to be replaced or not can be monitored.

The invention provides automatic heat treatment equipment for an automobile brake pad, and belongs to the technical field of brake pad machining. Comprising a base, a support is fixedly connected to the top of the base, a control center is fixedly connected to the end of the support, a feeding table is fixedly connected to the right end of the surface of the base, a clamping jaw is slidably connected to the top of the support, a preheating bin is fixedly connected to one side of the feeding table, and a drying oven is fixedly connected to one end of the preheating bin; the interior of the drying oven is rotationally connected with a material placing frame, and the top of the drying oven is fixedly connected with an air blower. By arranging the feeding position correcting assembly and the scraper containing assembly, position correcting, carding and straightening are carried out in the brake pad conveying process, the conveying process is accelerated, the blocking risk in the automatic treatment process is reduced, chippings and impurities on the surface of the brake pad are scraped, and the production efficiency is improved. Local hot spots formed on the surface of the brake pad or heat conduction hindering during later baking are reduced, and the heat treatment quality is improved.

The invention belongs to the field of automobile brake testing, and relates to an opposed piston brake caliper assembly'return stroke and clearance 'performance testing method and device, and the method comprises the steps: S1, full-stroke lubrication: carrying out the pressurization under the condition of no brake block, and carrying out the pressure reduction so as to completely push a piston back to the bottom of a cylinder hole; s2, simulating the position of the piston in a new product gap; s3, zero setting of the displacement sensor: determining the initial hydraulic pressure and performing zero setting according to the initial hydraulic pressure; s4, testing the return stroke and the clearance: applying 1 MPa of gradually rising pressure to the brake caliper, releasing the pressure, keeping the pressure for 120 seconds, sequentially testing the pressure of 3 MPa, 5 MPa, 7 MPa, 9 MPa and 11 MPa until 15 MPa, and testing each pressure twice; s5, measuring and recording relative displacement between the piston and the shell under each pressure; and S6, analyzing the output data, and performing data processing. A test object of the method comprises a friction block mode and a steel block mode. The device is composed of a pressurization adjusting system, a clamping alignment unit and a test data analysis system. The testing of the return stroke and the gap of the fixed card has great significance in analyzing and reducing dragging, matching liquid demand and other key performances.

Disclosed herein are an electro-mechanical brake system and a controlling method thereof. The electro-mechanical brake system according to the present embodiment includes a driving part including a motor configured to generate a driving force and a brake pad configured to brake a vehicle or release braking by moving forward and backward with respect to a disc by the motor, a sensor part including a first sensor configured to output a signal corresponding to a stroke of the motor, a second sensor configured to output a signal corresponding to a force applied from the disc to the brake pad, and a third sensor configured to output a signal corresponding to an active brake condition of the vehicle, a controller configured to estimate and update a contact point between the disc and the brake pad, whenever a braking input of the brake pad or release thereof occurs.

The invention relates to a shared bicycle brake pad abrasion monitoring system and a monitoring method thereof, and aims to solve the problems that in the prior art, shared bicycle brake pad abrasion monitoring is high in cost and low in precision, and abnormal abrasion cannot be detected, and accurate monitoring is achieved through a multi-parameter correction model of brake frequency statistics and pressure distribution perception. A microswitch is arranged on a brake pedal, three film pressure sensors are arranged on a brake pad steel backing, a brake pressure value, an average effective pressure Pavg and a pressure distribution difference delta P are synchronously collected, a wear estimation model is built by combining working condition data such as temperature and vehicle speed, and a material coefficient k, a vehicle speed correction coefficient f (v) and a temperature correction coefficient g (T) are adopted for multi-dimensional correction, so that the wear estimation precision is improved. And calculating the accumulated abrasion loss and predicting the residual thickness. Accurate recognition of abnormal wear such as eccentric wear and block falling is achieved by analyzing a delta P threshold value and Pavg mutation characteristics, parameter customization of brake pads made of different materials is supported, and a graded early warning function is achieved.

The invention discloses a water-cooling and air-cooling combined heat dissipation type double-brake system and a brake control method, and the brake system comprises brake discs arranged corresponding to wheels; the two brake execution assemblies are arranged on the two sides of the brake disc correspondingly, each brake execution assembly is provided with a plurality of brake pad sets arranged in the circumferential direction of the brake disc, and the brake pad sets are driven by hydraulic assistance generated by a hydraulic booster to be pressed on the surface of the brake disc so as to execute the braking action; a heat dissipation air opening penetrating through the inside and the outside is formed in the brake execution assembly; the double-atomization assembly is borne by the brake execution assemblies and used for supplying wind power and atomized water into the brake execution assemblies; the double-atomization assembly comprises a mounting shell sleeve; the atomizing nozzle is connected with a high-pressure water pump; a high-speed fan; a temperature sensor; and a main controller. The braking force can be greatly increased, the braking effect is improved, heat dissipation is uniform, and the excellent heat dissipation effect is achieved.

The invention discloses a nano-diamond reinforced powder metallurgy brake pad friction body material and a preparation method thereof, and relates to a brake pad friction body material and a preparation method thereof. The problem that in the prior art, the stability of a braking system of a train at a high running speed cannot be achieved is solved. The friction body material comprises a matrix component, a lubricating component, a friction component and a basic reinforcing component, wherein the sum of the mass percentages of the matrix component, the lubricating component, the friction component and the basic reinforcing component is 100%; wherein the mass percent of the copper powder in the matrix component is 50%-70%, and the mass percent of the iron powder in the matrix component is 10%-30%; the mass percent of the lubricating component is 10%-20%; the mass percent of the friction component is 1%-5%; the mass percent of the nano-diamond in the enhanced component is 0.1%-1%; the friction component is composed of one or more of silicon dioxide, aluminum oxide, titanium carbide, tungsten carbide, silicon carbide powder and zirconium oxide powder; the lubricating component is composed of one or more of graphite, carbon nanotubes and molybdenum disulfide. Belongs to the technical field of powder metallurgy.

A wind turbine nacelle includes a stub mast, a frame rotatably mounted on the stub mast, and a yaw drive system that rotates the frame to adjust orientation of the frame. The yaw drive system includes a yaw brake assembly positioned coaxially with the stub mast that exerts a constant braking torque on a brake disk connected to the frame and has a brake pad with a coefficient of friction that creates the braking torque without slipstick.

The invention relates to the technical field of conveyor detection, in particular to intelligent inspection equipment for detecting the running state of a circular tube belt conveyor, which comprises a loading plate, a first brake unit, a second brake unit, a cleaning unit, a driving unit and a detector, and is characterized in that the first brake unit is fixedly arranged at the top of the loading plate and extends to the bottom of the loading plate; the second brake units are movably arranged at the two ends of the bottom of the loading plate and extend to the periphery of the top of the loading plate. Air is pumped into all the air channels through a high-pressure pump, then the high-pressure air pumped into the air channels enters an air cylinder chamber, a piston head is pushed downwards, a push rod and a clamping jaw are driven to move downwards along the inner wall of a guide groove, and the clamping jaw moves downwards to drive an upper brake pad to move downwards together; the upper brake pad and the lower brake pad form an up-and-down butt clamping effect on the edge of the conveying belt, and after a power system of the conveyor breaks down, the conveying belt is braked, reversing of the conveying belt is restrained, and materials are prevented from being stacked at the feeding end of the pipe belt type conveyor.

A turbine engine includes a turbo-engine, a fan including a plurality of fan blades that rotate about a longitudinal centerline axis, a rotational component coupled to the fan, a fluid circuit for supplying a fluid to the turbine engine, and a hydraulic fan brake in fluid communication with the fluid circuit. The hydraulic fan brake includes a hydraulic actuator fluidly coupled to the fluid circuit and a brake pad operably coupled to the hydraulic actuator such that the hydraulic actuator moves the brake pad, relative to the rotational component, between a disengaged position, in which the brake pad disengages the rotational component and allows rotation of the rotational component, and an engaged position, in which the brake pad engages the rotational component and prevents rotation of the rotational component, thus preventing rotation of the fan.

A brake pad retainer arrangement for holding a brake pad in position relative to a disc in a disc brake. The arrangement comprises an elongated retainer bracket arranged to extend transversely over the disc and the brake pad, wherein the retainer bracket is spring loaded to press against a rim portion of the brake pad. The retainer bracket is also arranged to engage the rim portion at an angle, thereby biasing the brake pad in a direction away from the disc.

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.

The invention relates to the technical field of clamps, and discloses a pneumatic ratchet wrench test clamp self-locking anti-vibration tool which comprises a base, a ratchet wrench and a brake pad and further comprises a pneumatic control clamp installed on the base, the pneumatic control clamp is used for limiting the ratchet wrench, and the output end of the ratchet wrench is matched with the brake pad. The pneumatic control clamp comprises two sets of half shells which are symmetrically fixed and used for clamping a ratchet wrench, and air inducing cavities are formed in the half shells; the clamping assemblies are mounted in the air inducing cavity and extrude the ratchet wrench under the action of wind power; and the ventilation shell is mounted on the outer sides of the two groups of half shells and is used for closing and opening the end parts of the two groups of half shells. Through the design of the pneumatic control clamp, the continuous clamping force compensation effect driven by wind power is achieved, the clamping assembly is always driven by airflow in the testing process to be kept in a screwed state, micron-sized gaps generated by vibration can be offset in real time, and the problem that clamping fails due to stress relaxation of a traditional rigid clamp is solved.

The invention relates to the technical field of brake pads, in particular to a brake pad capable of reducing abrasion of a brake disc and a preparation technology thereof.The brake pad comprises, by weight, 20%-32% of reinforcing fibers, 12%-18% of a binder, 22%-34% of a friction regulator and 24%-38% of filler and functional additives, the reinforced fibers are at least one of titanium carbide coated carbon fibers, steel fibers and aluminum silicate ceramic fibers. According to the invention, the reinforced fibers construct a high-strength heat conduction network, and heat is quickly dispersed to reduce thermal stress concentration; the binder ensures the structural stability at high temperature; the friction regulator optimizes a friction coefficient curve through the synergistic effect of lubrication and friction increasing, and high-temperature fluctuation is avoided; the filler and the functional additive enhance the heat absorption and buffering capability, and adjust pores to relieve thermal shock. All the components have a synergistic effect, so that hot cracks of the brake disc can be reduced, and the crack resistance and the brake stability under extreme working conditions are improved.

A brake pad blank transporting and feeding device relates to the technical field of transporting and feeding and comprises a feeding assembly, an equidistant conveying assembly, a transferring assembly and an output assembly. The equidistant conveying assembly comprises a mounting frame, conveying shafts rotationally mounted on the mounting frame in pairs, a conveying belt arranged between the conveying shafts in pairs in a sleeving mode, a bent plate arranged below the conveying belt and mounted on the first supporting frame, a protective film plate and a shifting mechanism. The transferring assembly comprises a transferring conveying belt installed on the second supporting frame, a pushing rod installed on the second supporting frame in a sliding mode, and a moving mechanism arranged between the equal-distance conveying assembly and the transferring conveying belt and used for moving the brake pad blanks to the transferring conveying belt. The output assembly comprises an output conveying belt, two sets of electromagnet strips rotationally installed on an output conveying belt rack, a lifting cylinder, a rotating cylinder, an electromagnet plate fixedly installed at the output end of the rotating cylinder and an image sensor. According to the arrangement device, the brake pad blanks in batches can be stably arranged according to a specific posture.

The invention discloses a high-stability electromagnetic brake convenient to disassemble and assemble, and relates to the technical field of brakes. Comprising a shell, a base is installed on the top of the shell through a connecting shaft, a rotating shaft channel is formed between the base and the top of the shell in a penetrating mode, an armature is arranged on the portion, located on the surface of the rotating shaft channel, between the base and the shell in a sleeving mode, an electromagnetic coil is arranged in the shell, and an installation mechanism is arranged at the bottom of the shell. A compensation assembly is arranged at the top of the armature, a rotating disc is rotationally connected to the position, located on the surface of the periphery of the rotating shaft channel, in the cavity in the device shell, a connecting rod is arranged in the armature in a limiting mode, an unlocking assembly is arranged at the bottom of the shell, and the armature and the shell are installed easily and can be operated by one person; gaps in all directions between the armature and the electromagnetic coil are ensured to be the same, adjustment is easy, and automatic compensation after the brake pad is abraded is achieved.