70 results about "Brake wear" patented technology

The invention provides a method and device for estimating the abrasion degree of a vehicle brake pad and a medium, and belongs to the technical field of vehicles. The method comprises the steps that braking parameters are obtained, and the current remaining thickness of each wheel brake pad is estimated according to the braking parameters; and according to the current residual thickness of each wheel brake pad, the braking force distribution proportion and the braking duration of each wheel brake pad are dynamically adjusted, and whether the current residual thickness smaller than the set replacement threshold exists or not is judged. And when the current remaining thickness of the wheel brake pad is smaller than the set replacement threshold value, a warning mark corresponding to the wheel brake pad is generated. The brake pad abrasion loss is accurately calculated in real time, a user is reminded of the brake pad abrasion condition in time, the service life of a brake system is prolonged, and safety of the brake system is improved.

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

Method for forming a decorative insert (110, 112) on a brake pad wear surface (106, 406) of a brake disc (100, 400), the method comprising: Positioning an insert material in a mold; Casting a brake disc (100, 400) in the mold around the insert material; and Machining the brake disc (100, 400) by cutting, grinding, sandblasting, scraping or polishing so that at least part of the insert material is visible on the brake pad wear surface (106, 406), wherein the thickness of the decorative insert (110, 112) is 0.5 to 3.0 millimeters, and wherein: a coefficient of friction between the decorative insert (110, 112) and a brake pad is the same as a coefficient of friction between the brake pad wear surface (106, 406) and the brake pad; and a wear rate of the decorative insert (110, 112) is equal to or greater than a wear rate of the brake pad wear surface (106, 406).

The utility model relates to the technical field of AGV robots, in particular to an AGV intelligent dispatching robot which comprises a vehicle body, wheels and a moving plate are arranged on the vehicle body, a track used for movement of the vehicle body is arranged at the bottom of the vehicle body, and a connecting rod is fixedly installed in the vehicle body. A brake assembly used for braking the wheels is arranged on the connecting rod and comprises a movable ring arranged on the connecting rod. By arranging the brake assembly, when the AGV is braked, the motor can enable the moving plate to move downwards to enable the blocking block at the bottom to be gradually attached to the ground of the track through the long plate, and the moving ring is made to push the moving frame through the connecting plate to push the blocking block to be gradually close to the side face of the track. Therefore, in the process of approaching the side face, the push block is matched with the check block to enable the blocking block to be attached to the wheel to limit and block the wheel, then the wheel is braked, the brake pad is used in cooperation with a traditional brake pad, the braking effect is enhanced, abrasion of the brake pad is reduced, and the service life of the mechanical brake pad is prolonged.

The present disclosure relates to a kind of vehicle anti-lock braking control method, device, electronic equipment and vehicle, relate to vehicle control technical field.Therein, method includes: in response to triggered anti-lock braking signal, control vehicle enters anti-lock braking state;In anti-lock braking state, motor brake system and hydraulic brake system are braked to vehicle jointly;The braking condition data of vehicle is acquired;Based on braking condition data, only adjust the hydraulic brake parameter when hydraulic brake system is braked to vehicle.This embodiment of the present disclosure can reduce the working noise and mechanical vibration under ABS condition, reduce brake wear, improve the service life of brake system.

The invention relates to a vehicle, in particular an electric vehicle, comprising an electric powertrain and at least one energy storage unit (preferably electric), comprising a single-pedal drive system, comprising at least one vehicle throttle controller for controlling throttle power and at least a portion of brake power of the vehicle, at least one brake system for controlling the accelerator power and at least a portion of the brake power of the vehicle, a system for providing braking power to a vehicle, where the braking power is based at least in part on a braking power demand signal, where the braking power demand signal is determined based on an integral of at least one measured variable of a vehicle throttle controller. The invention also relates to a method for a single throttle drive of a vehicle and a regenerative braking system to achieve an extended range by minimizing energy consumption, minimizing tire wear, minimizing brake wear, minimizing tire particle emissions, minimizing brake particle emissions, or any combination thereof.

A dynamic braking system for an electrified vehicle having a high voltage (HV) battery system and an electric propulsion system includes a regenerative braking system configured to recharge the HV battery system, a vehicle controller configured to monitor and control the regenerative braking system to selectively perform a regenerative braking operation, and a vehicle brake actuator configured to selectively actuate one or more vehicle friction brakes. A brake controller is in signal communication with the vehicle brake actuator and configured for signal communication with a trailer brake actuator to selectively actuate trailer friction brakes. The brake controller is programmed to receive a driver braking request, receive a signal indicating a regenerative braking capacity of the electric propulsion system, and based on the driver braking request and the regenerative braking capacity, automatically adjust a trailer brake gain to (i) maximize energy recovery via regenerative braking and (ii) reduce brake wear.

The utility model relates to the technical field of brake pad wear detection, in particular to a brake pad wear detection device. According to the technical scheme, the device comprises a fixed-width plate and an adjusting plate, the fixed-width plate and the adjusting plate are hinged to each other, a fixed-width hole is formed in the fixed-width plate, an adjusting hole is formed in the adjusting plate, a fixed plate is fixed to the side wall of the adjusting hole, and a movable plate is installed on the side, away from the fixed plate, of the adjusting plate; an adjusting assembly for driving the movable plate to stretch out and draw back is arranged on the side wall of the adjusting hole, and a fixing assembly is arranged between the width fixing plate and the adjusting plate. According to the utility model, the brake pad passes through the specified detection hole, the purpose of rapid detection is realized, width measurement is not needed, the working efficiency can be greatly improved in the batch detection process, and the detection holes with different widths are arranged at the same time, so that different brake pads can be detected.

Service device (1) with a communication interface (13) configured to receive operating data of a vehicle (3) provided by the vehicle, wherein the operating data includes several sensor measurement data from sensors assigned to the vehicle (3), an engine wear parameter, a brake wear parameter, a current position of the vehicle, a destination of the vehicle, a radio station setting, personalization data, and with an evaluation unit (15) configured to determine a vehicle user profile parameter based on the operating data of the vehicle (3) and with a provision unit (17) configured to select specified information based on the respective vehicle user profile parameter and to make it available at the communication interface (13) for transmission to the vehicle (3).

The invention relates to the technical field of vehicle testing, in particular to a whole vehicle braking wear particulate matter testing system under laboratory conditions. The system comprises a chassis dynamometer, a vehicle head fan, a tested vehicle, a connection system, a collection system, a test system and a verification system. The chassis dynamometer is used for providing various resistances in the normal driving process of the automobile; the automobile head fan provides cooling airflow in the automobile driving process; in the running process of the tested vehicle, braking wear particles are generated by a braking system; the connecting system connects the tested vehicle with the collecting system; the collecting system is used for capturing brake wear particles generated by the brake assembly; the test system is used for acquiring emission characteristics of brake wear particles of the tested vehicle; and the verification system is used for obtaining the test efficiency of the brake wear particles in the test scheme and correcting a final result.

The application belongs to the technical field of brake, and particularly relates to a low-pressure large-torque parking brake, which comprises a second back plate, a first driving assembly, a second driving assembly, a friction assembly and an adjusting assembly. The second back plate is used for providing a mounting position. The first driving assembly and the second driving assembly are respectively used for driving the service brake and the parking brake. The friction assembly is used for braking the vehicle. The adjusting assembly is used for adjusting the wear compensation of the gap between the brake pad and the brake drum. In the application, the two brake shoes of the friction assembly are connected with the first driving assembly and the second driving assembly through a differential structure, so that the two brake shoes can drive the brake pad to contact the brake drum under the driving of the first driving assembly or the second driving assembly with the same pressure, and the uneven wear of the two brake pads is avoided.

A brake pad may include a brake lining configured to engage with a brake rotor operatively coupled to a wheel of the vehicle to exert friction to decelerate the vehicle, a backing plate to support the brake lining, and a wear indicator circuit operatively connected to the brake lining to detect brake pad wear. The wear indicator circuit can be printed externally onto the brake pad using conductive ink.

The hydraulic power plant unit braking system signal feedback device comprises a reference assembly connected with a brake supporting plate, the reference assembly and the brake supporting plate synchronously and linearly move and are used for synchronously reflecting the movement stroke of a brake piston, the reference assembly is provided with a rack, and the rack is meshed with a stroke monitoring assembly; the stroke monitoring assembly comprises an anti-backlash gear and an encoder connected with the anti-backlash gear, the encoder is connected with the control unit, the control unit is used for receiving a rotation signal of the anti-backlash gear, calculating the abrasion loss of a brake disc and outputting a brake state feedback signal, and the signal feedback device can adjust a signal feedback threshold value according to brake abrasion. Effective brake strokes are accurately distinguished, signal feedback that a brake instruction is effective but a brake disc is not attached is avoided, meanwhile, early warning on abrasion of the brake disc of the brake is achieved, and operation safety of equipment is guaranteed.

The present invention relates to a cable-operated bicycle disc brake that operates by the tension of an inner cable connected to a brake lever. The cable-operated bicycle disc brake of the present invention comprises a rotating disc, a brake pad, a caliper body that movably supports the brake pad, an operating arm in which the inner cable is fixed and which rotates by the tension of the inner cable, a conversion mechanism that converts the rotation of the operating arm into movement of the brake pad toward the rotating disc, and an automatic separation compensation mechanism that updates the return reference position of the brake pad from the released state toward the rotating disc. When the operating stroke of the operating arm, which increases with wear of the brake pad, exceeds the reference stroke, the automatic separation compensation mechanism updates the return reference position while maintaining the fixed position of the inner cable relative to the operating arm, thereby maintaining the separation distance between the rotating disc and the brake pad within a target separation range. Accordingly, the user does not have to repeat the operation of pulling and fixing the inner cable again in response to brake pad wear, and unnecessary position updates are suppressed within the normal operating range, thereby preventing pad dragging and overcompensation.

The invention discloses an elevator safety clamp braking wear on-line monitoring and early warning system which comprises a clamp body, two symmetrical brake blocks are arranged in the clamp body, springs are arranged between the brake blocks and the clamp body, a first patch is attached to one face of each brake block, a first connecting rod is hinged to each first patch, and a second connecting rod is hinged to the other face of each brake block. A first rotating rod is hinged to the other end of the first connecting rod, connecting pieces are fixed to the two sides of the clamp body, first angle sensors are fixed to the connecting pieces, and one end of the first rotating rod is rotationally connected into the first angle sensors; compared with the prior art, by means of the mechanical and sensing integrated design, a traditional elevator safety gear abrasion inspection mode which depends on manpower, is offline and extensive is changed, and a series of remarkable technical progress and application benefits are brought.

A brake pad wear monitoring control method, device, equipment and storage medium, comprising: according to the collected brake caliper data, vehicle working condition data and driving behavior data, feature engineering extraction is carried out to obtain input feature data; the input feature data is subjected to multi-physical field coupling simulation wear prediction to obtain a first wear prediction result, the input feature data is subjected to data-driven wear prediction to obtain a second wear prediction result, and the first wear prediction result and the second wear prediction result are weighted and fused to obtain a wear prediction output; a brake force fine adjustment instruction is generated according to the wear prediction output, and the brake force of each brake pad is adjusted according to the brake force fine adjustment instruction. The application improves the adaptability of complex environment prediction and the explainability of decision process by combining multi-physical field coupling simulation and data driving; through generating a brake force fine adjustment instruction according to the wear prediction output, active intervention and life optimization of brake pad wear are realized, and the service life of the overall braking system is prolonged.

The application discloses a preparation method of a copper-based powder metallurgy composite brake pad and belongs to the technical field of brake disc preparation.The polyethylene glycol, lithium functional group and organic copper complex component in the lithium-based dispersant can improve the surface energy of metal particles, so that the metal particles can be better dispersed in a liquid; this helps to ensure that the metal particles can be uniformly dispersed in the whole working environment and is favorable for adjusting the particle size of the material; the metal particles are stabilized, so that the metal particles are prevented from being gathered into large particles again and the processing and use performances are affected; the copper-based powder metallurgy composite brake pad prepared by the application has low abrasion and good comprehensive performance, and is widely applied in the fields of high-speed trains, airplanes and the like.

The invention relates to the technical field of train braking control, in particular to a comprehensive optimization method for abrasion of a subway train wheel brake, and aims to solve the problems of excessive air braking input and large abrasion of the wheel brake caused by mismatching of electric braking input and actual load of an existing subway train and increase of operation and maintenance cost due to abnormal abrasion of the wheel brake. The method is optimized from the two aspects of normal abrasion and abnormal abrasion and comprises the steps that (1) an electric braking input dynamic adjustment model is established based on the linear relation between the actual load of a train and the three standard loads AW0, AW2 and AW3, when the running speed of the train is larger than 6 km / h, electric braking force is dynamically adjusted according to five working conditions, the difference value between the electric braking force and the total braking force is reduced, and air braking input is reduced; and 2) screening the brake shoe with moderate hardness, relatively low elastic modulus and relatively high density, optimizing the contact state of the brake shoe and the wheel tread, and inhibiting abnormal abrasion. Vehicle hardware does not need to be changed, the method can be realized only through software optimization and brake shoe type selection, the replacement period is remarkably prolonged, the operation and maintenance cost is reduced, and the implementation is high.

The invention discloses a brake wear control method and device, electronic equipment, a storage medium and a vehicle, and relates to the technical field of electronic control brake systems.The brake wear control method comprises the steps that the current accumulated wear difference value of brake wear between axles is calculated based on brake air pressure of an electronic brake control system; determining the air pressure ratio of a front axle brake chamber and a rear axle brake chamber according to the accumulated wear difference value in response to the situation that the vehicle operation condition meets the wear control starting condition and the accumulated wear difference value is larger than a preset wear control threshold value; and adjusting the front and rear axle braking force proportion according to the air pressure ratio of the front and rear axle braking air chambers, and controlling the abrasion of the brake based on the front and rear axle braking force proportion. According to the invention, the control logic can be simplified, the control precision and the response speed can be improved, and accurate regulation and control can be realized.

To provide a brake abrasion amount display device capable of displaying an abrasion degree of a friction material in a visually recognizable manner.SOLUTION: A brake abrasion powder display device is a brake abrasion amount display device mounted to a vehicle that brakes a wheel by pressing a friction material against a material subjected to friction, and includes: a recovery part for recovering abrasion powder generated from the friction material; a container for accommodating the abrasion powder recovered by the recovery part; a detection part for detecting a recovery amount of the abrasion powder in the container; and an indicator part for converting the recovery amount of the abrasion powder in the container into an abrasion amount of the friction material on the basis of a detection result from the detection part and displaying the abrasion amount in a visually recognizable manner.SELECTED DRAWING: Figure 1

The present disclosure relates to the field of data processing, and provides a processing method of a brake, an electronic device and a vehicle. A brake request is detected, vehicle driving information is acquired, a target reference wear factor and a target wear speed factor corresponding to the current brake request are determined according to the vehicle driving information; a brake wear amount corresponding to the current brake request is determined according to the target reference wear factor and the target wear speed factor; a total brake wear amount is determined according to the brake wear amount corresponding to the current brake request; when it is determined that the total brake wear amount is greater than a preset wear threshold, it indicates that the brake wear is relatively serious, and the continued use may have a safety hazard, so the brake needs to be replaced. Prompt information is output to prompt a user to replace the brake, so as to improve the safety of driving and avoid the occurrence of safety accidents.

Methods and equipment for estimating brake pad wear are disclosed.An exemplary setup includes at least one processor circuit for obtaining temperature and power data associated with a vehicle's brake pad, executing a neural network based on the temperature and power data, the network being trained on a loss value corresponding to a difference between (a) a first rate of change of an output of the neural network when the neural network is executed based on training data, where the first rate of change is evaluated at a first temperature and a first power, and (b) a second rate of change proportional to a ratio between the first temperature and the first power, determining a brake wear metric corresponding to the brake pad based on a result of the neural network execution, and causing a display of the brake pad metric via a user interface.

The application provides a kind of vehicle brake pad wear state prediction method and electronic equipment, it is related to vehicle braking technical field.The method comprises: obtaining the vehicle working condition data generated in the history driving process of target vehicle;Determine the driving behavior characteristics and driving environment characteristics of target vehicle based on vehicle working condition data;Based on driving behavior characteristics and driving environment characteristics, the preset reference wear amount is corrected, and the predicted unit mileage wear rate of target vehicle brake pad is obtained;Based on the predicted unit mileage wear rate, the historical cumulative mileage of target vehicle and the initial thickness of brake pad, the predicted wear state of brake pad is determined.Thereby, through the layer-by-layer deduction and quantitative calculation of multidimensional actual working condition data, the real-time and prediction of brake pad wear degree are realized, and the serious hysteresis problem existing in the brake pad wear monitoring behavior of the prior art is completely solved.

The abrasion-resistant brake rod assembly comprises a foot brake rod assembly and a rear brake connecting rod assembly, the foot brake rod assembly comprises a foot brake rod support and a foot brake rod rotating shaft, and an annular foot brake abrasion-resistant lining matched with the side face of the foot brake rod support is arranged on the foot brake rod rotating shaft; the foot brake rod rotating shaft is arranged on the foot brake rod support through the annular foot brake abrasion-resistant lining and can swing relative to the foot brake rod rotating shaft. The rear brake connecting rod assembly comprises a brake connecting rod rotating shaft and a brake rod fixing piece, and an annular brake wear-resisting bush attached to the inner wall of the brake rod fixing piece is arranged in the brake rod fixing piece. The annular brake wear-resistant bushing wraps the side face of the brake connecting rod rotating shaft, and the brake connecting rod rotating shaft can rotate relative to the annular brake wear-resistant bushing. The high-performance wear-resistant bushings are introduced into the foot brake rod assembly and the rear brake connecting rod assembly, and the anti-corrosion coating and the anti-skid structure are arranged on the surface of the brake rod rotating shaft, so that the wear resistance and the corrosion resistance of the assemblies are remarkably improved.

The utility model discloses an automatic control stop device for a winch, which comprises a brake assembly, the brake assembly comprises a brake bottom plate, a ratchet gear, a pawl and a pawl rising and falling control unit, the brake bottom plate is fixedly connected with a winch support, and the ratchet gear is fixedly connected with a winch drum; one end of the pawl is mounted on the brake bottom plate through a pawl connecting seat and rotates relative to the pawl connecting seat, and the other end of the pawl is matched with the ratchet gear; the pawl rising and falling control unit is installed on the brake bottom plate through the connecting base, one end of the pawl rising and falling control unit rotates relative to the connecting base, and the other end of the pawl rising and falling control unit is connected with the pawl. The brake function is achieved through the ratchet wheel and the ratchet structure, the problem that intermittent motion is difficult to achieve through automatic control is solved, the space size of a winch brake system is optimized, and the problem that a brake pad is abraded and replaced frequently is solved. And through cooperation of the electric cylinder and the gas spring, the reliability of the braking effect of the device is guaranteed, the structure is simple, and practicability is high.

The present disclosure provides a method and apparatus for estimating brake pad wear. Methods and apparatus for estimating brake pad wear are disclosed. An example apparatus includes at least one processor circuit to: obtain temperature data and power data associated with a brake pad of a vehicle; executing a neural network based on the temperature data and the power data, the neural network being trained based on a loss value corresponding to a difference between: (a) a first rate of change in an output of the neural network when the neural network is executed based on training data, and (b) a second rate of change in an output of the neural network when the neural network is executed based on training data; the first rate of change is evaluated at a first temperature and a first power; and (b) a second rate of change proportional to the ratio between the first temperature and the first power; determining a brake wear metric corresponding to the brake pad based on the execution results of the neural network; and cause presentation of the brake pad metrics via a user interface.

The utility model discloses a qualification detection device for production of semitrailer brake wear detection equipment, which belongs to the technical field of equipment production qualification detection and comprises a shell. A control panel on the upper surface of the shell is sequentially provided with a control button, a qualified indicating lamp, an unqualified indicating lamp, a power line interface, an abnormal state indicating lamp interface and a sensor interface assembly. The power line interface and the abnormal state indicating lamp interface are connected with two ends of an indicating lamp of the to-be-detected semitrailer brake wear detection equipment; the sensor interface assembly is connected with a wear sensor of the to-be-detected semitrailer brake wear detection equipment; during detection, the control button is pressed down, and if the qualification indicating lamp is turned on, the to-be-detected semitrailer brake wear detection equipment is qualified; and if the unqualified indicating lamp is lightened, the to-be-detected semitrailer brake wear detection equipment is unqualified. According to the device, one-key rapid detection of the semitrailer brake wear detection equipment can be completed, and the production efficiency is greatly improved while the qualified rate is detected.

The application relates to a hand-automatic brake device and method, and the hand-automatic brake device comprises a manual brake system which is composed of a pumping unit brake handle, a connecting fork head, a first pull rod, an adjusting rod, a second pull rod, a first telescopic cylinder and a third pull rod which are sequentially connected; and an automatic brake system which is composed of a supporting base, an executing mechanism, a push rod, a brake spring, a spring pull rod, a suction plate, a connecting rod, an electromagnet, an electromagnet mounting cylinder, a second telescopic cylinder and a fourth pull rod which are sequentially connected. The two sets of linkage brake mechanisms and the operation method thereof realize pumping unit hand-automatic brake; the electromagnetic locking brake position is adopted, automatic brake is realized when power is lost, the on-site safety is ensured, the spring is adopted as brake power, the problem of insufficient automatic brake force caused by brake pad wear can be effectively solved, the automatic brake is safer, the brake connecting rod is designed as a telescopic cylinder, the two sets of manual brake and automatic brake systems independently operate and do not interfere with each other, and the flexibility is high.

The present disclosure provides a printed brake wear sensor. A brake pad may include: a brake lining configured to engage with a brake disc operably coupled to a wheel of the vehicle to apply friction to decelerate the vehicle; the back plate is used for providing support for the brake lining; and a wear indication circuit operably coupled to the brake lining to detect brake lining wear. The wear indicating circuit may be externally printed on the brake pad via a conductive ink.