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 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.

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.

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 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 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.