63results about How to "Guaranteed braking effect" patented technology

The invention discloses an intelligent networked passenger car torque gradient self-adaptive adjustment control method and system, and relates to the technical field of intelligent networked vehicles, and the method comprises the steps: obtaining state data in a vehicle driving process in real time; according to the acquired data, determining a motor driving torque required at the current moment, and further determining a motor expected torque at the current moment; the driving state of the vehicle at the current moment is determined, and the lifting torque state and the expected torque gradient at the current moment are determined in combination with the expected torque of the motor; based on the expected torque gradient at the current moment and the actual torque gradient at the previous moment, torque gradient self-adaptive adjustment based on set scale progressive increase or progressive decrease is carried out, and the actual torque gradient at the current moment is obtained; and adding and subtracting the actual torque of the motor based on the actual torque gradient at the current moment, calculating to obtain a final target request torque, and sending the final target request torque to a motor controller for torque smooth control. Smooth control over the torque can be achieved, the driving comfort is improved, and the service life of the vehicle is prolonged.

The invention provides a hydraulic integrated brake-by-wire system, and belongs to the field of automobile brake systems, the hydraulic integrated brake-by-wire system comprises a main cylinder, a first piston, a second piston, a first oil can, a second oil can and an energy accumulator, the first piston and the second piston divide an inner cavity of the main cylinder into a first cavity, a second cavity and a third cavity, and the end, away from the main cylinder, of the first piston is connected with a pedal; a first loop and a second loop are connected between the second cavity and the wheel cylinder set, a third loop is connected between the first cavity and the wheel cylinder set, an oil pump is connected to the first loop in series, the energy accumulator is located between the oil pump and the second cavity, the first oil can is communicated with the first cavity through a pipeline, and the second oil can is communicated with the second cavity and the wheel cylinder set through pipelines. And the first oil pot and the second oil pot are mutually independent. The problem that an existing electronic hydraulic braking system is limited in redundancy capacity is solved. The method has the technical effects that reliable voltage buildup with higher power and higher braking response speed are realized, and the braking effect of redundant braking is ensured while braking decoupling is realized.

The invention discloses a brake control method and system of an electric vehicle, the vehicle and equipment. The braking control method of the electric automobile comprises the steps that an EBS controller obtains the currently needed total braking force according to a brake pedal opening signal; when the current required total braking force is larger than the current maximum braking force capable of being executed by the motor, the current maximum braking force capable of being executed by the motor is distributed to the motor for braking, and the difference value of the current required total braking force and the current maximum braking force capable of being executed by the motor is distributed to mechanical braking; and otherwise, only distributing the currently required total braking force to the motor for braking. According to the invention, motor braking is preferential, energy recovery is carried out to the maximum extent, and the energy consumption of the whole vehicle is reduced; motor braking and mechanical braking are processed by the EBS controller in a unified mode, stable braking force can be provided under various working conditions, the braking stability and safety are improved, and the braking effect of the vehicle is effectively guaranteed.

The invention discloses a control valve, a wet brake steering system of engineering machinery and the engineering machinery. The control valve comprises a valve body, a hydraulic reversing valve, a one-way valve, a shuttle valve and an electromagnetic reversing valve, the valve body is provided with an oil inlet, an oil return port, a working oil port, a first control valve LS oil port, a second control valve LS oil port and a third control valve LS oil port of the control valve; an oil inlet and an oil return port of the hydraulic reversing valve are respectively connected with an oil inlet and an oil return port of the control valve, a first control end is communicated with a working oil port of the control valve and a working oil port of the hydraulic reversing valve, and a second control end is communicated with a working oil port of the hydraulic reversing valve; an oil inlet and an oil outlet of the one-way valve are connected with an oil inlet and a working oil port of the control valve; a first oil port, a second oil port and a third oil port of the shuttle valve are respectively connected with an LS oil port of the first control valve, an LS oil port of the second control valve and a working oil port of the electromagnetic reversing valve; an oil inlet of the electromagnetic reversing valve is connected with an LS oil port of the third control valve, and an oil return port of the electromagnetic reversing valve is connected with an oil return port of the hydraulic reversing valve. According to the invention, oil source sharing of working, steering and braking can be realized.

The invention provides a monorail vehicle bogie braking system temperature control device which comprises a framework, and walking wheels, a transmission shaft, a fixing seat, a power assembly, a brake disc and a brake clamp are correspondingly installed on the framework. Annular cooling liquid cavities are correspondingly formed in the inner periphery of the brake disc, annular arc-shaped grooves which are sunken inwards are correspondingly formed in the two sides of the cooling liquid cavities in the brake disc, and a plurality of through holes are correspondingly formed in the bottoms of the arc-shaped grooves. A liquid storage cavity is correspondingly formed in the fixing seat on one side of the brake disc, and the liquid storage cavity is correspondingly communicated with the cooling liquid cavity; when the temperature of the brake disc exceeds a specific value, the cooling liquid in the liquid storage cavity can be driven to be input into the cooling liquid cavity of the brake disc, and the brake disc is cooled. The overall structural design is ingenious, the overall cooling effect of the brake disc is good, the braking effect and the service life of the brake disc are well guaranteed, and practicability is high.

The invention discloses a large-electric-quantity range-extending type electric vehicle calibration method. An overall calibration framework comprises driving mode calibration, energy management calibration, battery low-temperature protection calibration, battery discharge limit calibration and electric drive external characteristic limit calibration. Adaptive calibration is carried out on functional modules such as mode management and energy management of a large-electric-quantity extended-range electric commercial vehicle, the whole vehicle only discharges a battery under most working conditions, the consumption ratio of electricity and oil is reasonably distributed, meanwhile, the system configuration advantages are exerted, the dynamic property of the whole vehicle is guaranteed as much as possible, meanwhile, overcharge protection of the battery is considered, and the system reliability is improved. The car using income of a user is maximized, greater value is created for the user, and core parts are also protected; the VCU dynamically adjusts the allowable power generation power of the APU in real time according to the available charging power of the battery, it is guaranteed that the battery cannot be overcharged under the dynamic working condition, the braking energy efficiency and the braking performance are guaranteed, abrasion of mechanical braking is reduced, and the battery is protected.

The utility model discloses an efficient and rapid pushing brake cylinder which comprises a cylinder body and a piston rod in the cylinder body. The cylinder body is of a barrel structure with two open ends, and a front end cover and a rear end cover are arranged at the two ends of the cylinder body respectively. The center of the front end cover extends inwards to form a guide column, a first oil channel is formed in the guide column, an outlet in one end of the first oil channel is communicated with an inner cavity of the piston rod, and an outlet in the other end extends to the front end cover to form an oil injection hole. A second oil duct is arranged in the front end cover and is communicated with the oil injection hole; an outlet at the other end of the second oil duct is positioned on the front end cover between the piston rod and the cylinder body; a piston rod sleeves the outer side of the guide column, and the top of the piston rod is connected with a ball rod; a piston is arranged on the side, close to the front end cover, of the baffle. And a double-spring group is arranged between the baffle and the rear end cover. According to the utility model, the rapid movement of the piston rod can be realized through double oil ways, and meanwhile, double insurance can also be realized, so that the situation that one oil way fails and cannot realize operation is avoided, and the use safety is improved.

The embodiment of the invention provides an automatic emergency braking control method and device for a vehicle, equipment and a medium, and the method comprises the steps: determining a visual modal road adhesion coefficient and a dynamic modal road adhesion coefficient of the vehicle, and determining a humidity modal road adhesion coefficient of the vehicle through a humidity sensor; then obtaining a first weight corresponding to the visual modal pavement adhesion coefficient, a second weight corresponding to the dynamic modal pavement adhesion coefficient and a third weight corresponding to the humidity modal pavement adhesion coefficient; determining a comprehensive pavement adhesion coefficient according to the pavement adhesion coefficient and the weight; an automatic emergency braking control instruction is generated according to the comprehensive road adhesion coefficient, and the vehicle is subjected to automatic emergency braking control according to the automatic emergency braking control instruction, so that the accuracy of obtaining the road adhesion coefficient is improved by comprehensively considering the three road adhesion coefficients; the method does not need to completely depend on a visual identification function, and improves the safety in the vehicle driving process.

The invention relates to the field of pipe jacking construction, in particular to a pipe jacking construction transportation rail blocking device which comprises a transportation rail and a transportation vehicle, wheels are symmetrically installed at the bottom of the transportation vehicle, each wheel is slidably connected to the transportation rail, brake discs are symmetrically and fixedly installed at the bottom of the transportation vehicle, and the brake discs are slidably connected to the transportation rail. Each brake disc is located on the two sides of the corresponding adjacent wheel, and a cooling assembly is fixedly installed on the side wall of each barrier plate. By arranging the buffering assemblies, after a vehicle body of the transport vehicle makes contact with two first baffles, first springs can be compressed to get close to a barrier plate, then wheels enter the position between the two buffering plates, and in the process of getting close to the barrier plate, friction force is continuously enhanced through gradually-dense second friction blocks, so that the transport vehicle is braked; and then the wheels of the transport vehicle are in contact friction braking with the second friction block and the first friction block again, so that the transport vehicle is braked slowly in the braking process.

The utility model relates to the technical field of brakes, in particular to a novel permanent magnet brake which comprises a stator and a rotor, the stator comprises a coil panel, a shaft sleeve is arranged in the middle of the coil panel, a coil is sleeved on the outer side face of the shaft sleeve, and a permanent magnet is arranged between the inner bottom face of the shaft sleeve and the inner bottom face of the coil panel. Under the same torque specification, the permanent magnet is arranged between the shaft sleeve and the coil panel, so that the size of the permanent magnet brake in an axial space is reduced, the thickness of the permanent magnet brake is reduced, the requirement of a flat installation space is met, meanwhile, the reverse electromagnetic force required for reducing the permanent magnetic force of the permanent magnet is smaller, and the service life of the permanent magnet brake is prolonged. And therefore, the running power is small, the running calorific value is correspondingly reduced, and the service life, the braking effect and the braking efficiency are ensured.

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 present invention proposes a novel high-efficiency automobile air dryer, comprising a closed shell, a bottom cover, and a filter element, the bottom cover is provided with an air inlet and a threaded bayonet for connecting an external air pipeline; an inner liner is provided in the shell, an inner liner cover and a connecting plate are provided on the inner liner, the downwardly extending portion in the middle of the bottom of the connecting plate is sleeved outside the threaded bayonet of the bottom cover, the inner cavity of the inner liner constitutes a desiccant storage cavity, a spring is provided between the inner liner cover and the shell, the inner liner cover is provided with a channel communicating with the inner liner, the cavity between the inner liner and the shell constitutes an air channel, the filter element is provided at the upper part of the inner liner and communicates with the inner cavity of the inner liner, and a two-way bypass valve is also provided on the channel of the inner liner cover; a fixing rod is provided in the central vertical direction of the desiccant storage cavity, a spiral sheet is fixed on the fixing rod, and the outer contour of the spiral sheet is adapted to the inner wall of the inner liner. The present invention can filter oil stains in compressed air, completely remove moisture, ensure automobile braking performance, and improve safety.

The utility model discloses a temperature-controllable wet brake forced cooling system, which relates to the technical field of wet brakes and comprises a forced cooling oil tank, a front axle synchronous diverter valve and a rear axle synchronous diverter valve. A system safety overflow valve is installed at the output end of the forced cooling system gear pump, a radiator assembly is arranged at the output end of the system safety overflow valve, a rear brake is installed at the output end of the radiator assembly, and the front and rear axle synchronous diverter valve is arranged at one end of the rear brake. According to the temperature-controllable wet brake forced cooling system, oil in the forced cooling oil tank can be shunted to enter the interiors of the oil backward brake and the front axle brake through the design of the front and rear axle synchronous diverter valve, so that a friction plate I and a friction plate II are prevented from being burnt out due to friction heating; therefore, the braking efficiency of the rear brake and the front axle brake is ensured, and the safety of the vehicle in use is further ensured.

A cable transverse shaft is clamped in arc-shaped clamping grooves in the upper surfaces of a left cable shaft frame and a right cable shaft frame, the middle of the cable transverse shaft is sleeved with a cable drum, fixers are installed on the two sides of the cable drum, the two ends of the cable transverse shaft extend out of the left cable shaft frame and the right cable shaft frame, and the ends of the cable transverse shaft are sleeved with brake pads; the brake pad is longitudinally connected with the brake rod adjuster. In the construction process, cable conveying is stopped, the conveyor and the controller are matched at the same time, the conveyor stops cable conveying, the controller pulls the brake pull rod to drive the brake rod adjuster to control the brake pad to act, the cable transverse shaft stops rotating, the cable coil stops rolling, and the overall braking effect is achieved; the personal safety of constructors is greatly improved, and the construction efficiency is better improved.

The utility model relates to a brake disc structure, and relates to the technical field of brakes. The brake disc structure comprises a disc body, a through hole is formed in the middle of the disc body, one side of the disc body is a supporting face, and the other side of the disc body is a friction face; an annular outer ring blocking edge is arranged on the supporting face of the disc body close to the outer periphery edge, an annular outer ring blocking edge is arranged on the supporting face of the disc body close to the inner side edge, and an annular boss is arranged on the supporting face of the disc body and located between the outer ring blocking edge and the inner ring blocking edge. A first annular air channel is formed between the outer ring blocking edge and the annular boss, and a second annular air channel is formed between the inner ring blocking edge and the annular boss. The outer ring retaining edge, the annular boss and the inner ring retaining edge are provided with a plurality of groups of first notch grooves which are opposite one by one so as to form a plurality of groups of cooling air ducts in the radial direction of the disc body; and the cooling air duct is communicated with the first annular air duct and the second annular air duct. According to the brake disc structure, the heat dissipation effect under the braking working condition is improved, the braking performance is improved, and the service life is prolonged.

The utility model discloses a safety brake device for a pneumatic motor, which comprises a motor, a connecting port is arranged above the motor, a mounting seat is arranged on the motor, a first brake pad and a second brake pad are arranged on the mounting seat, and the first brake pad and the second brake pad are respectively positioned on two sides of an output end of the motor. A cylinder barrel is arranged on the mounting seat, an air inlet and an air outlet are formed in the cylinder barrel, air entering the motor from the connecting port is reduced while the motor needs to be braked, air enters the cylinder barrel through the air inlet, and the pushing plug is assisted to slide until the pushing plug pushes the first brake pad to the output end of the motor; the pneumatic motor is braked at the same time from two aspects, the braking speed is increased, loss caused by friction between the output end of the motor and the brake pad is reduced, meanwhile, the second brake pad is used for assisting the first brake pad to brake the output end of the motor, the braking effect of the braking device is guaranteed, and braking failure is avoided.

The utility model relates to the technical field of brake devices, and discloses a vehicle brake device which comprises a vacuum booster body, a control valve body is arranged on one side of the vacuum booster body, a push rod is installed in the control valve body, and a piston is arranged on the side, away from the push rod, of a first push plate. A reset spring is installed between the first push plate and the piston, and a diaphragm is arranged at one end of the control valve body. According to the utility model, the second push plate, the front piston, the rear piston and the return spring are matched with one another, so that the rear chamber can work normally when the front chamber cannot supply oil, and an oil outlet loop between the second push plate and the front piston can work normally, so that oil is increased for a brake pad, and the service life of the brake pad is prolonged. And when the rear cavity is in a non-working state, the second push plate and the rear piston can work normally, so that an oil passage is ensured, and the braking effect of the device can be ensured.

The utility model relates to a mechanical braking structure for quick parking, which belongs to the field of automobile braking and comprises a caliper body, friction plates are mounted on the caliper body, a brake disc is mounted between the friction plates, a ball screw rod is rotatably mounted in one side wall of the caliper body, and the ball screw rod is rotatably mounted in the other side wall of the caliper body. One end of the ball screw rod is in threaded connection with a ball screw threaded sleeve; a rotary power source is arranged on the outer side of the caliper body, the rotary power source is in power connection with the ball screw, a ratchet wheel is further fixedly connected to an output shaft of the rotary power source, a telescopic power source is arranged on one side of the ratchet wheel, a check block is fixedly connected to the telescopic power source, and the check block can stretch into teeth of the ratchet wheel. The dry-type braking device has the advantages that dry-type braking is formed by the ball screw rod and the ball screw thread sleeve, braking force can be accurately controlled, and the risk of hydraulic leakage is avoided; and a telescopic power source is adopted to directly drive the stop block for parking, so that quick response can be realized, and the parking time is shortened.

The invention discloses an electromechanical braking power assisting device and a using method, and belongs to the field of electromechanical braking. An electromechanical brake power assisting device comprises a shell and further comprises a brake push rod and a pedal push rod which are arranged on the shell, a power assisting unit is arranged between the brake push rod and the pedal push rod, the interior of the shell is divided into two air chambers by the power assisting unit, and when the pedal push rod moves towards one side of the brake push rod, the power assisting unit is used for amplifying thrust on the brake push rod; the dustproof unit is arranged on the side, close to the pedal push rod, of the shell and used for preventing dust of an air chamber in the shell. The standby braking mechanism is arranged between the interior of the shell and the power assisting unit, and when the pressure difference between the air chambers in the shell disappears or is weakened, the pedal push rod is pushed to drive the power assisting unit to move through the standby braking mechanism; the problems that when a brake assisting device breaks down, the accident risk is large, the vehicle brake performance is poor, an air filter is prone to being blocked, and the service life of a brake system is short are solved.

The invention discloses a turbine rotor passive brake protection device and method.The turbine rotor passive brake protection device comprises a lining cover, a shaft hole is formed in one side of the lining cover, a plurality of protection pins are connected to one side of the lining cover, a punching and riveting end is arranged on one side of the lining cover, a sunk screw hole is formed in one side of the lining cover, and a lining cover hole is formed in one side of the lining cover; one end of the protection pin is connected with a protection pin step end, one end of the protection pin extends into the lining cover hole, one end of the protection pin step end penetrates through the lining cover hole and is embedded with the lining cover hole, a head hiding groove is formed in one side of the sunk screw hole, one end of the protection pin is provided with a chamfer, and the other end of the protection pin is arranged in a step shape. And one side of the lining cover is provided with a sunken end corresponding to the shaft hole. According to the invention, the effect of passive braking of the turbine rotor is effectively achieved, and the overall connection effect is ensured, so that the braking effect on the rotor is ensured.

The application discloses a switched reluctance motor with a braking function for a loom, and belongs to the technical field of switched reluctance motors. The switched reluctance motor comprises a shell (3), a brake is arranged at one end of a motor shaft (1), the brake comprises a brake disc (14) and a brake coil (13), characterized in that a brake seat (5) is fixed at an end cover of one end of the shell (3), the brake coil (13) is fixed on the surface of the brake seat (5), a rear positioning table (9) is formed on the surface of the motor shaft (1), a positioning locking mechanism is clamped and fixed at the rear positioning table (9), and the brake disc (14) is fixed on the inner side of the brake coil (13) through the positioning locking mechanism. In the switched reluctance motor with the braking function for the loom, the rear positioning table is formed on the surface of the motor shaft, and the brake disc is fixed through the positioning locking mechanism at the rear positioning table, so that the brake disc position adjusting defect in the prior art is avoided.

This utility model relates to the field of safety protection technology for loading foam glass, and discloses a safety protection device for loading foam glass, including two No. 1 wheel frames; the No. 1 wheel frame, No. 2 wheel frame, and No. 3 wheel frame are connected by a single slider and a double slider, and a first winch and a second winch, so that the device can be flexibly deployed on a flatbed truck. In use, it is connected to the safety rope on the employee through the hanging wheel, and the No. 3 wheel frame can be moved according to the loading and unloading needs to provide effective safety protection for the employee and prevent the employee from falling from a height. By applying external force to pull the positioning pin, it is disengaged from the positioning groove, which releases the positioning pin from the brake rod. At this time, the positioning pad is pressed against the ground by pressing the brake rod. At this time, the positioning pin is embedded into the positioning groove under the action of the positioning spring, which can fix the brake rod. Under the action of the friction between the positioning pad and the ground, the device will not be able to move, ensuring the braking effect of the device.

The invention relates to the technical field of press machines, in particular to an auxiliary brake mechanism of a press machine for metal cellular board production, which comprises a brake driving component, a brake driving component, a hydraulic rod, a brake driving component, a brake driving component and a brake driving component, and is characterized in that the brake driving component is mounted on the press machine; the friction braking assembly is also installed on the press machine and used for conducting friction braking on the hydraulic rod, and the friction braking assembly is driven by the braking driving assembly to move; the plug-in brake assembly is connected with the brake driving assembly, and the brake driving assembly drives the plug-in brake assembly to move so as to brake the hydraulic rod; when a main brake of the press fails or emergency braking is needed, auxiliary braking of the hydraulic rod can be achieved by pushing the braking driving strip in the direction of the press, operation is easy, convenient and rapid, potential safety hazards can be eliminated within the shortest time, the braking driving strip can achieve automatic locking, and the stability of auxiliary braking is guaranteed.

The invention discloses a tooth connection drum brake, and relates to the field of brakes. The tooth connection drum brake comprises a brake disc, a cover plate rotationally connected to the surface of the brake disc, a transmission gear arranged at the end, away from the cover plate, of the surface of the brake disc and a connecting shaft fixedly connected to the surface, away from the cover plate, of the brake disc, and the surface, away from the brake disc, of the cover plate is fixedly connected with an L-shaped mounting plate; the end, away from the cover plate, of the L-shaped mounting plate is fixedly connected with an air cylinder, and the end, close to the cover plate, of the air cylinder is fixedly connected with a connecting plate. The first brake arm and the second brake arm alternately conduct braking, enough time is reserved to dissipate surface heat, heat accumulation is avoided, downtime caused by overheating is shortened, the continuous operation capacity of the machine tool is improved, the brake performance of the industrial machine tool is guaranteed, and therefore the workpiece machining precision of the industrial machine tool is prevented from being affected.

The utility model relates to a pneumatic disc brake which comprises a brake shell, a movable friction plate and a fixed friction plate, the movable friction plate and the fixed friction plate are matched with each other and installed on the brake shell, and the movable friction plate is driven by a brake unit installed on the brake shell to be close to or away from the fixed friction plate. The braking unit comprises a pushing assembly and a compensation assembly; the pushing assembly comprises a swing arm, a first pushing block and a second pushing block; the compensation assembly comprises a compensation block, a tensioning spring, a fixing base, an adjusting ring, a clamping block, a first jacking spring, a second jacking spring, a compensation screw rod and a dustproof protection cover. The brake device has the advantages that the brake unit composed of the pushing assembly and the compensation assembly is adopted to achieve brake of the two friction plates, when gaps occur due to abrasion of the friction plates, automatic compensation of the positions of the movable friction plates is achieved through the action of the compensation assembly, the brake effect of the two friction plates is guaranteed, and the brake device is convenient to use. Manual adjustment is not needed any more, dismounting and mounting of the brake are not involved, and great convenience is achieved.

The invention discloses a vehicle which comprises a connecting structure and driven steering wheels arranged at the two ends of the connecting structure, the connecting structure comprises a steering part, the steering part is provided with a rotating shaft, the driven steering wheels are in clearance fit with the rotating shaft, the vehicle further comprises a main driving wheel, and the main driving wheel drives the driven steering wheels to rotate around the rotating shaft. The connecting structure further comprises a steering shaft, the steering part drives the driven steering wheel to rotate around the axis of the steering shaft, the vehicle is further provided with an adjusting device, and the adjusting device can drive the driven steering wheel to move along the axis of the rotating shaft so as to adjust the distance between the driven steering wheel and the steering shaft. The invention provides a vehicle to solve the technical problem that when an existing vehicle is braked, the vehicle deflects due to braking, so that vehicle driving is affected, and the technical problem that in the prior art, the braking effect of the vehicle is reduced due to braking deflection prevention is solved.

The present invention relates to a composite system optimization and coordinated control method, device and storage medium, wherein the method comprises: obtaining the amplitude and change rate of a braking command; obtaining the actual value of a motor regenerative braking torque and the observed value of a hydraulic braking torque and their respective change rates; combining the amplitude and change rate of the braking command to obtain a state coordinate; calculating the distance between the state coordinate and the boundary of an attraction domain of a motor regenerative braking system as a first distance m 1, and the distance between the state coordinates and the boundary of the attraction domain of the hydraulic brake system as the second distance m 2; If at least one of the first distance and the second distance is less than the first threshold distance d 1, the first braking mode is executed; if both the first distance and the second distance are greater than the second threshold distance d 2, the second braking mode is executed. Compared with the prior art, the present invention improves the kinetic energy recovery rate and comfort while ensuring the following of the braking command signal.

The present invention discloses an electromechanical brake booster and a method of use, belonging to the field of electromechanical braking. An electromechanical brake booster comprises a housing, and also comprises: a brake push rod and a pedal push rod arranged on the housing, a booster unit is arranged between the brake push rod and the pedal push rod, the booster unit divides the interior of the housing into two air chambers, and is used to amplify the thrust on the brake push rod when the pedal push rod moves toward the side of the brake push rod; a dustproof unit is arranged on the side of the housing close to the pedal push rod, and is used to prevent dust from the air chamber in the housing; a backup brake mechanism is arranged between the interior of the housing and the booster unit, and when the pressure difference between the air chambers in the housing disappears or weakens, pushing the pedal push rod can drive the booster unit to move through the backup brake mechanism; the present invention overcomes the problems of high accident risk, poor vehicle braking performance, easy clogging of the air filter, and short service life of the brake system when the brake booster fails.

The utility model discloses an underground tramcar braking device, which belongs to the technical field of underground tramcars and comprises a tramcar body, two driving shafts are arranged at the bottom of the tramcar body, rail wheels are fixedly sleeved at two ends of the two driving shafts respectively, and brake discs are fixedly sleeved on the two driving shafts respectively. U-shaped supports are fixedly connected to the two sides of the mine car body correspondingly, and water spraying mechanisms are arranged on the two U-shaped supports correspondingly. Along with continuous use of the arc-shaped brake block and the brake plate, abrasion can be generated, meanwhile, the outward moving distance of the sliding seat is gradually increased, when the arc-shaped brake block and the brake plate need to be replaced, the contact sensor is in contact with the sliding seat at the moment, and it is indicated that the arc-shaped brake block and the brake plate are consumed up; and at the moment, the controller is used for controlling the loudspeaker to give out a warning tone, so that a worker can replace the arc-shaped brake block and the brake plate in time.

The invention discloses a wind generating set yaw braking torque lifting device, and relates to the technical field of wind generating set yaw braking, the wind generating set yaw braking torque lifting device comprises a machine body, a braking mechanism is arranged in the machine body, and a limiting mechanism is arranged in the braking mechanism; the limiting mechanism comprises a bearing assembly and an adjusting assembly, and the adjusting assembly is arranged in the bearing assembly. A braking mode of unloading force first and then positioning is adopted, through cooperation of friction plate unloading force and limiting block positioning, it is ensured that braking is accurate and stable, adjustability is high, a user can install different numbers of limiting blocks and friction plates according to actual requirements, various working conditions are adapted, the rubber material of the buffering assembly protects equipment and can automatically replace damaged rubber sheets, and the service life of the buffering assembly is prolonged. The service life is prolonged, and safe and stable operation of a wind power generation system is powerfully guaranteed.