32results about How to "Does not affect braking" patented technology

The invention provides an electromechanical brake system based on an automobile bus. The electromechanical brake system based on the automobile bus comprises a brake signal input unit, a central control unit, a plurality of electric brake execution control units and a plurality of electric brakes, wherein the brake signal input unit is used for receiving brake signals and outputting the brake signals to the central control unit in real time; the central control unit is used for outputting multiple paths of brake motor target current signals to corresponding electric brake execution control units in real time according to the received brake signals; the electric brake execution control units are used for respectively driving and controlling corresponding electric brakes in real time according to the received brake motor target current signals; and the electric brakes are used for braking corresponding wheels. Correspondingly, the invention additionally provides an automobile with the brake system. The electromechanical brake system provided by the invention has the advantages of simple structure, small size, convenience in installation, low cost, quick brake response, good stability when used for braking , no pollution and the like.

The invention provides an electromechanical brake control system, which includes a brake signal input unit, a wheel speed acquisition unit, a microcontroller, and a plurality of electromechanical brakes corresponding to a plurality of wheels respectively, wherein the brake signal input unit is used for generating brake signals and outputting the brake signals; the wheel speed acquisition unit is used for acquiring wheel speeds in real time and outputting the acquired wheel speed signals; the microcontroller is used for receiving the brake signals and the wheel speed signals in real time and outputting a plurality of paths of control signals according to the brake signals and the wheel speed signals, so as to control and drive the electromechanical brakes in real time; and the electromechanical brakes are used for braking the corresponding wheels respectively according to the plurality of paths of control signals outputted by the microcontroller. The electromechanical brake control system has the advantages of simple structure, small volume, rapid brake response and good brake effect.

The invention relates to a control system and a control method for improving an abnormal automobile start flutter noise based on a driving force. The system is respectively connected with a braking pedal and a braking main cylinder, and is arranged on an automobile braking system and a power assembly or a driving force control system; the system comprises a braking force detection module, a start driving torque control module, wheel speed sensors, an engine, an automatic gearbox and a differential-decelerator assembly, wherein the wheel speed sensor is arranged on each automobile wheel; the engine, the automatic gearbox and the differential-decelerator assembly are sequentially connected in a transmission manner; the differential-decelerator assembly is connected with the automobile wheels; the start driving torque control module is respectively connected with the braking force detection module, the engine, the automatic gear and the wheel speed sensors. Compared with the prior art, the control system and the control method for improving the abnormal automobile start flutter noise based on the driving force have the advantages of significant effects, simple construction and low cost.

An automobile brake cooling control device comprises an automobile body controller, an air storage cylinder, a water storage barrel, a control valve assembly, a plurality of water spraying devices correspondingly arranged on tires and a plurality of tire pressure sensors correspondingly arranged on the tires, an air inlet of the water storage barrel is communicated with the air storage cylinder, and a water outlet of the water storage barrel is communicated with a water inlet of the control valve assembly. According to the control principle, when the vehicle runs, the vehicle body controller judges whether actual tire pressure values received from the tire pressure sensors are higher than corresponding tire pressure reference values or not and whether the difference value between the actual tire pressure values and the tire pressure reference values is larger than a set value or not, if yes, the vehicle body controller controls the control valve assembly to be opened, and if not, the vehicle body controller controls the control valve assembly to be closed; and the brake at the tire is cooled. When a high tire pressure value is detected, the control valve assembly is automatically opened to spray water to cool the brake, direct factors causing tire burst can be accurately detected, and the tire burst prevention effect is good.

The invention belongs to the technical field of a railway wagon and specifically relates to a hand braking device mounted on a chassis of a railway hopper wagon. The problems of the present hand braking device of the railway hopper wagon are solved. The hand braking device comprises a hand brake, a hand brake bracket, a fixed pulley, a chain assembly, a vertical lever assembly, a hand braking shifter lever fulcrum base, a hand braking shifter lever, a hand braking shifter lever supporting frame, a hand brake chain assembly, a hand brake pull rod guiding frame and a hand brake pull rod. The hand braking device is arranged on a floor of the chassis assembly of the hopper wagon; under the condition of no influence on the function of the hand braking device, the possibility of pulling out the supporting frame by a current hand brake pull rod reinforcing rid of the hopper wagon and the problem of influence on the traffic safety caused by the breaking of the hand brake pull rod are thoroughly eliminated; the demand on the traffic safety of the railway wagon is met.

The invention relates to the technical field of wagon braking, in particular to a railway wagon hand braking device, and is aimed at solving multiple problems existing in the existing railway wagon practical application. The railway wagon hand braking device comprises a hand brake and a hand brake mounting seat, a fixed pulley assembly, hand brake chain assembly, a hand brake lever I, hand brake lever guide frames and guide frame mounting seats, a horizontal transmission chain assembly I, a shifter lever, a shifter lever fulcrum seat and a shifter lever bracket, a hand brake lever II, a lever idler hoist, and a horizontal transmission chain assembly II. The brake mounting seat is arranged on an end beam, the hand brake lever guide frames and the guide frame mounting seats are arranged under a side beam at intervals, and the shifter lever fulcrum seat is fixed to a middle beam. The railway wagon hand braking device is arranged near the position under the side beam comprising railway wagon underframes. On the premise that the functions of a railway wagon are not influenced, the problems that reinforcing ribs of an original wagon hand brake lever are possibly pulled out of a bracket and traffic safety is influenced by crack of a hand brake lever are solved completely, and the requirement for traffic safety of the railway wagon is met.

The invention provides an electronic mechanical brake system which comprises a brake signal inputting unit, an EMB (electromechanical brake system) control unit, an EMB drive unit, and a plurality of electric brakes corresponding to a plurality of wheels respectively, wherein the signal inputting unit is used for generating brake signals and outputting the brake signals to the EMB control unit in real time; the EMB control unit is used for receiving the brake signals and outputting a plurality of paths of duty ratio signals to the EMB drive unit; the path number of the duty ratio signals is equal to that of the electric brakes; the EMB drive unit is used for receiving the duty ratio signals in real time and driving and controlling the plurality of electric brakes according to the duty ratio signals; and the plurality of electric brakes are respectively used for braking the corresponding wheels. Correspondingly, an automobile adopting the braking system is provided. The electronic mechanical brake system has the advantages of simple structure, small volume, convenience in installation, low cost, fast braking response, good braking stability, no pollution, and the like.

A mechanical cruise control device for automobiles is capable of controlling driving speed of the automobiles. A sliding tooth steel sheet is vertically connected to a position below the front end of a link of an accelerator pedal, a link steel sheet is vertically connected to a position below the rear end of a link of a brake pedal, and a locking steel sheet is connected with one end of the link steel sheet, so that the bottom sawtooth arc-shaped face of the sliding tooth steel contacts with the arc-shaped face of a locking steel sheet contact. The sliding tooth steel sheet moves down by pedaling the accelerator pedal, the sawtooth straight face of the sliding tooth steel sheet is superposed with the straight face of the locking steel sheet contact in close combination, and then a constant speed function is started. The locking steel sheet moves down to be in curvilinear movement by pedaling the brake pedal, the two sawtooth straight faces in close combination are separated from each other, the locking steel sheet rotates to the left by using a right foot to kick a pull plate leftwards, and then the constant speed function is canceled.

The invention discloses an intelligent braking device for hoisting a crane, which comprises a crane hanger and a sling mechanism. Between a pair of load-bearing walls of the crane hanger, a load-bearing roller is installed through a bearing assembly and connected in transmission with a hoisting drive mechanism. The roller is connected with the reverse self-locking mechanism through the transmission mechanism, which includes a transmission rod. The cloth is provided with n convex plates, and the inner wall of the cylindrical frame set on the outer end of the transmission rod is sequentially hinged with n limiting plates, so that each limiting plate must be in an inclined state to enter between adjacent convex plates at the corresponding position. In the present invention, when the hoisting driving mechanism stops, the linear driving mechanism controls the reverse self-locking mechanism, so that each limiting plate enters the gap between each convex plate to perform safety braking on the hoisting device, effectively reducing safety threats and making The lifting device moves more smoothly and smoothly.

The invention relates to an emulsified diesel stirring device for a vehicle. The emulsified diesel stirring device mainly comprises an emulsified diesel tank, an automobile air storage barrel, an air sprayer and an electromagnetic valve, wherein an air spraying port of the air sprayer is arranged at the lower part of the emulsified diesel tank, and an air inlet of the air sprayer is connected with the automobile air storage barrel through the electromagnetic valve. According to the emulsified diesel stirring device for the vehicle, the structure is very simple, shown by trial, the effect is very good, and the condition that emulsified diesel is always in a good emulsified state can be ensured through opening the electromagnetic valve every 3 to 4 hours to enable airflow to stir once and stirring for 30-60 seconds per time; the air consumption for the stirring of the emulsified diesel is little, the brake performance of an automobile is not affected at all, the power consumption of the electromagnetic valve and a time controller is little, and the lighting of the vehicle is not affected at all, so that the popularization and application of the emulsified diesel to diesel consuming automobiles are facilitated.

The invention relates to the technical field of wagon braking, in particular to a railway wagon hand braking device, and is aimed at solving multiple problems existing in the existing railway wagon practical application. The railway wagon hand braking device comprises a hand brake and a hand brake mounting seat, a fixed pulley assembly, hand brake chain assembly, a hand brake lever I, hand brake lever guide frames and guide frame mounting seats, a horizontal transmission chain assembly I, a shifter lever, a shifter lever fulcrum seat and a shifter lever bracket, a hand brake lever II, a lever idler hoist, and a horizontal transmission chain assembly II. The brake mounting seat is arranged on an end beam, the hand brake lever guide frames and the guide frame mounting seats are arranged under a side beam at intervals, and the shifter lever fulcrum seat is fixed to a middle beam. The railway wagon hand braking device is arranged near the position under the side beam comprising railway wagon underframes. On the premise that the functions of a railway wagon are not influenced, the problems that reinforcing ribs of an original wagon hand brake lever are possibly pulled out of a bracket and traffic safety is influenced by crack of a hand brake lever are solved completely, and the requirement for traffic safety of the railway wagon is met.

A fourth wheel brake double circuit hydraulic brake apparatus, manual main pump (2) connects with the end of first four-way junction (3) via oil pipe (13), One of the output ends of the first four-way junction (3) connects with back wheel (6) via oil pipe (16), and the another tow output ends separately connects with the front left, right sub pumps (4,5) via oil pipe (14,15); foot brake master pump (8) connects with the input end of the second four-way junction (7) via oil pipe (20), One of the output end of the second four-way junction (7) connects with back wheel sub pump (6) via oil pipe (17), Anther tow output ends connects with the front left, right sub pumps (4,5) via oil pipe (18,19). The invention can realize front back wheel isochronous coordinate brake, When one of the hand brake master cylinder and the foot master cylinder is out-of-order, The brake function will not be effected, It is homologous to possess double insurance function. So, it is in high assurance coefficient.

An auxiliary braking device of a vehicle comprises braking mechanisms, a front wheel brake and a rear wheel brake. Each braking mechanism comprises an auxiliary valve, a braking valve, an oil cup, an oil supplementing one-way valve and a braking cylinder and further comprises an air bag, a double-cavity air braking valve, a first energy accumulator, a first air control hydraulic valve, a second energy accumulator and a second air control hydraulic valve. The braking mechanisms are mounted on the front wheel brake and the rear wheel brake respectively. The energy accumulators are adopted as a power source, and auxiliary braking can be carried out after stalling of an engine. An air channel is arranged between each double-cavity air braking valve and the corresponding air control hydraulic valve, the response speed of the brakes is increased, and no braking delaying phenomenon occurs. When the front wheel brake and the rear wheel brake are too far away from each other currently, the response time difference between the front wheel brake and the rear wheel brake is relatively short, rear wheel braking is not obviously delayed, the braking performance is not influenced, and no traffic accident is caused.

The invention belongs to the technical field of braking of a rail wagon and particularly provides a manual braking pull rod device for driving pulleys of the rail wagon. The problem that a reinforcing rib part of a conventional manual braking machine pull rod for a driving pulley device is easy to crack and break off is solved. The manual braking pull rod device for the driving pulleys of the rail wagon comprises a manual braking pull rod, a movable pulley, a bracket rail, a fixing bracket of the movable pulley and a bracket of the manual braking pull rod. The bracket rail comprises a rail support mounted on a vehicle body middle beam, a rail board is mounted on the rail support, and the fixing bracket of the movable pulley and the bracket of the manual braking pull rod are mounted on the rail board. The manual braking pull rod device disclosed by the invention has the advantages that: the possibility that a reinforcing rib pulls out a carrier and the problem that the manual pull rod is fractured are completely removed, and the requirements on driving security of the rail wagon are met.

The invention discloses a vehicle and an automatic driving method and device thereof. The automatic driving method includes the steps that under the working condition of split road surface emergency braking, the current brake pressure difference between a high-attachment-coefficient road surface side and a low-attachment-coefficient road surface side of the vehicle is acquired; current first transverse torque of the vehicle is acquired according to the brake temperature difference; second transverse torque needed by the vehicle is acquired according to state information of the vehicle; adjusting parameters on a steering wheel on the vehicle are acquired according to the first transverse torque and the second transverse torque; the adjusting parameters are sent to an electronic power-assisted steering system, so that the steering wheel is adjusted according to the adjusting parameters, wherein the adjusting parameters comprise the rotating angle and the rotating speed of the steering wheel. Thus, when the vehicle is under the working condition of split road surface emergency braking, the steering wheel of the vehicle can be automatically adjusted correspondingly, thus, on the premise of not affecting the braking performance of the vehicle, the stability of the vehicle is greatly improved, and meanwhile the safety of the vehicle with an automatic driving function is improved.

The embodiment of the invention relates to a vehicle communication encryption method and device, a vehicle, a storage medium and a program product. The method comprises the steps of generating a first random number in a process that a target vehicle is merged into an original vehicle formation to establish a new vehicle formation, and receiving a second random number sent by a second vehicle in the new vehicle formation; generating a new formation communication key according to the first random number, the second random number and a preset key generation algorithm; and communicating with other vehicles in the new vehicle formation based on the generated new formation communication key. By adopting the method, the interactive information between the vehicles can be prevented from being tampered, and the safe driving of the vehicles is ensured.

The invention relates to the technical field of a railroad freight car braking, in particular to a railroad hopper car hand braking device which solves a plurality of problems existing in actual application of an existing railroad hopper car. The railroad hopper car hand braking device comprises a hand brake support, a hand brake, a hand brake chain, a fixed pulley, a supporting base, a brake cylinder and a push rod, and further comprises a hand brake pull rod, a hand brake pull rod guide frame, a vertical lever, a vertical lever supporting point base, a switching lever, a switching lever supporting point base, a horizontal transmission chain and a switching pull rod. The hand brake support, the fixed pulley and the supporting base are fixed to an end beam, the hand brake pull rod guide frame and the brake pull rod are installed on the lower portion of a bottom frame, the vertical lever is vertically hinged to the bottom frame, and the lower end of the switching lever extends to the position below the bottom frame. The railroad hopper car hand braking device is arranged below the end beam and the bottom frame, completely eliminates the probability that a supporting frame is pulled out through an existing hopper car hand brake pull rod reinforcing rib and the problem that a hand brake pull rod breaks and influences running safety, and meets the requirement for running safety of the railroad hopper car.

The invention relates to a second piston part of a brake master cylinder assembly, and belongs to parts of plunger type brake master cylinders in the technical field of automobile brake systems. The second piston member is composed of a second piston and a second piston spring, one end of the second piston spring is in interference fit with a boss of the second piston for axial limiting, and the other end of the second piston spring is used for being in clearance fit with a boss in the bottom of a master cylinder body. The second piston member has the advantages that the structure is novel, compared with a conventional second piston member, the second piston member disclosed by the invention has the advantages that a spring limiting base and a small gasket in the second piston member are omitted, the processes of point riveting and size inspection are reduced, and higher low-cost property and higher efficiency are achieved; and the modular standard design can be applied to various types of plunger type brake master cylinders, the brake performance is not affected, the assembly links are reduced, the assembly efficiency is improved, the cost is reduced, and the cost performance is good.

The invention relates to a braking method for a vehicle boost baking device. An adopted braking device comprises braking mechanisms, a front wheel brake and a rear wheel brake, wherein each of the braking mechanisms comprises a power-assisted valve, a braking vale, an oil cup, an oil complementing one-way valve and a braking cylinder; the braking device also comprises an air sac, a dual chamber air brake valve, a first energy accumulator, a first air controlled hydraulic valve, a second energy accumulator and a second air controlled hydraulic valve; the braking mechanisms are respectively connected to the front wheel brake and the rear wheel brake. The energy accumulators are used as power sources, so that boost braking after an engine flame out can be realized. An air passage is arranged between the dual chamber air brake valve and the air controlled hydraulic valve, so that the response speed of the brakes is high, and the phenomenon of slow braking is avoided. When the front wheel brake and the rear wheel brake are long in distance, the time difference of the front wheel brake and the rear wheel brake is short relatively, and the rear wheel brake is not obviously delayed; the braking performance is not influenced, so that traffic accidents cannot be caused.

Disclosed is an electromechanical braking system based on an automobile bus, the system comprising a braking signal input unit, a central control unit, a plurality of electric brake actuation control units and a plurality of electric brakes, wherein the braking signal input unit is used for receiving braking signals and outputting the braking signals to the central control unit in real time; the central control unit is used for outputting multiple paths of brake motor target current signals to the respective electric brake actuation control units in real time according to the received braking signals; each of the electric brake actuation control units are used for respectively driving and controlling the respective electric brakes in real time according to the received brake motor target current signals; and each of the electric brakes are used for braking the respective wheels. Accordingly, further disclosed is an automobile using the braking system. The electromechanical braking system has the advantages of simple structure, small size, convenient installation, low cost, quick brake response, good braking stability, no pollution and the like.

The invention discloses a wheel loader braking pipeline with a radiator, which belongs to the technical field of wheel loader braking. It includes a brake caliper body, the oil inlet of the brake caliper body is equipped with an inlet check valve, and the oil outlet of the brake caliper body is equipped with an outlet check valve; it also includes a radiator, and the oil outlet on the radiator is connected to The inlet one-way valve, the oil return port on the radiator is connected to the outlet one-way valve, and the oil filling port on the radiator is connected to a high-pressure oil source. The invention realizes the flow of the brake fluid from the brake caliper to the radiator without affecting the braking performance; the flow channel inside the radiator can ensure sufficient heat dissipation of the brake fluid; Cool down the brake caliper in time, and at the same time prevent the brake fluid from boiling, effectively prevent the formation of air resistance, greatly improve the braking performance of the loader, and improve the driving safety of the loader; it can be directly improved on the dry bridge brake system of the original loader, and installed It is convenient, low in cost and easy to implement.

The invention relates to a control system and a control method for improving an abnormal automobile start flutter noise based on a driving force. The system is respectively connected with a braking pedal and a braking main cylinder, and is arranged on an automobile braking system and a power assembly or a driving force control system; the system comprises a braking force detection module, a start driving torque control module, wheel speed sensors, an engine, an automatic gearbox and a differential-decelerator assembly, wherein the wheel speed sensor is arranged on each automobile wheel; the engine, the automatic gearbox and the differential-decelerator assembly are sequentially connected in a transmission manner; the differential-decelerator assembly is connected with the automobile wheels; the start driving torque control module is respectively connected with the braking force detection module, the engine, the automatic gear and the wheel speed sensors. Compared with the prior art, the control system and the control method for improving the abnormal automobile start flutter noise based on the driving force have the advantages of significant effects, simple construction and low cost.

The invention discloses a single-cavity spring brake chamber for an energy storage air break, and aims to solve the problem of increase in cost due to waste of a membrane cavity under the condition that the membrane cavity in the conventional spring brake chamber is idle and not used. The single-cavity spring brake chamber comprises a cylinder block, a push rod disk, a push rod and a spring assembly, wherein the push rod disk is arranged in the cylinder block, can move along the axial direction of the cylinder block, and partitions the internal space of the cylinder block into an air cavity and a spring cavity; the air cavity and the spring cavity are arranged along the axial direction of the cylinder block; the air cavity is provided with an air inlet / outlet; one end of the push rod is fixedly connected to the push rod disk; the other end of the push rod passes through the end wall of the cylinder block along the axial direction of the cylinder block, and is positioned outside the cylinder block; a sealing assembly is arranged between the push rod and the cylinder block; the spring assembly is arranged in the spring cavity; one end of the spring assembly is pressed against the push rod disk; the other end of the spring assembly is pressed against the internal end wall of the cylinder block; thrusting force facing the outside of the cylinder block is applied to the push rod. Byadopting single-cavity spring brake chamber, the membrane cavity is omitted under the condition of not influencing the brake performance, and the production and usage cost is lowered.

The invention discloses a wheel loader brake pipeline with a radiator, and belongs to the technical field of wheel loader brake. The wheel loader brake pipeline comprises a brake caliper body, an inlet one-way valve is installed at an oil inlet of the brake caliper body, and an outlet one-way valve is installed at an oil outlet of the brake caliper body; the pipeline also includes a radiator; an oil outlet of the radiator is connected with the inlet one-way valve, an oil return port of the radiator is connected with the outlet one-way valve, and an oil filling port of the radiator is connectedwith a high-pressure oil source. On the premise that the brake performance is not affected, brake fluid flows from the brake caliper to the radiator; a flow channel in the radiator can guarantee sufficient heat dissipation of the brake fluid; the brake caliper can be cooled in time under the working condition that the brake is frequently used for a long time; meanwhile, brake fluid can be prevented from boiling, air resistance is effectively prevented from being formed, the brake performance of the loader is greatly improved, and the traveling safety of the loader is improved; the pipeline can be directly improved on the basis of an original loader dry axle brake system, and is convenient to install, low in cost and easy to implement.

An auxiliary braking device of a vehicle comprises braking mechanisms, a front wheel brake and a rear wheel brake. Each braking mechanism comprises an auxiliary valve, a braking valve, an oil cup, an oil supplementing one-way valve and a braking cylinder and further comprises an air bag, a double-cavity air braking valve, a first energy accumulator, a first air control hydraulic valve, a second energy accumulator and a second air control hydraulic valve. The braking mechanisms are mounted on the front wheel brake and the rear wheel brake respectively. The energy accumulators are adopted as a power source, and auxiliary braking can be carried out after stalling of an engine. An air channel is arranged between each double-cavity air braking valve and the corresponding air control hydraulic valve, the response speed of the brakes is increased, and no braking delaying phenomenon occurs. When the front wheel brake and the rear wheel brake are too far away from each other currently, the response time difference between the front wheel brake and the rear wheel brake is relatively short, rear wheel braking is not obviously delayed, the braking performance is not influenced, and no traffic accident is caused.