30results about How to "Increase braking power" patented technology

The utility model discloses a railway parking anti-slip device. The railway parking anti-slip device comprises a joist installed between two stock rails, one side of the joist is in sliding connection with a sliding frame A, the other side of the joist is in sliding connection with a sliding frame B, the end of one side of the sliding frame B is provided with a frame body, and the frame body is connected with the sliding frame A through two parallel screw rods. The ends, penetrating through the front side end plate of the sliding frame A, of the screws are provided with limiting blocking tables, the sides, penetrating through the front side end plate of the frame body, of the screws are provided with nuts, the portions, located between the front side end plate of the sliding frame A and the front side end plate of the frame body, of the screws are sleeved with spring assemblies, an oil cylinder is arranged in the frame body, and the oil cylinder is installed between the two screws through a flange of the oil cylinder. The telescopic end of the oil cylinder faces the front side end plate of the frame body, a cushion block is arranged between the flange and the front side end plate of the frame body, and the flange is tightly pressed on the end face of the cushion block through a nut. The parking device solves the problems that in the prior art, braking force is weak, and the braking effect of the parking device is affected.

The present invention discloses a vehicle driving brake device with auxiliary braking function. The present invention is provided with an electromagnetic winding and a brake disc, so that when the temperature of the brake disc is too high, resulting in a decrease in the braking ability of the vehicle, the electromagnetic winding can provide auxiliary braking to avoid brake failure and vehicle accidents. The provided driving motor and lead screw enable the distance between the electromagnetic winding and the brake disc to be adjusted, thereby facilitating the control of the auxiliary braking ability of the electromagnetic winding on the brake disc, enhancing the controllability of the auxiliary braking, and ensuring the safety of the auxiliary braking. The provided anti-lock braking mechanism can actively use the anti-lock braking mechanism to achieve tire braking when the vehicle tire is locked, thereby improving the controllability of the vehicle, avoiding vehicle rollover, causing traffic accidents and driver injuries. Compared with traditional brake systems, the present invention has the excellent effects of strong braking ability and high braking safety.

The invention discloses a low-speed heavy-load traction machine which comprises a machine base, the machine base comprises a first containing cavity and a second containing cavity, a stator and a rotor are arranged in the first containing cavity, a traction wheel is arranged in the second containing cavity, and a main shaft penetrates through the first containing cavity and the second containing cavity and is connected with the rotor and the traction wheel. The first bearing, the second bearing and the third bearing are arranged on the main shaft in a sleeving mode, the two ends of the main shaft extend out of the machine base, and the two ends of the main shaft are connected with brakes. The two brakes are adopted, so that the braking force is enhanced, and the safety performance of the elevator is improved; the machine base is designed to be of an integral structure, the traction wheel is located in the middle, the two ends of the bearing are used for supporting, stress optimization is facilitated, the traction machine is more stable and reliable when bearing large loads, the integral stability of the traction machine is improved, and the service life of the traction machine is prolonged. And by adopting an end cover mounting mode, the brake is more convenient and faster to mount and maintain.

The invention provides a railway vehicle and a railway vehicle braking method.The railway vehicle comprises a brake, a driving device, a sensor unit and a control unit, the brake is provided with a brake disc, the driving device is used for being arranged on the railway vehicle, the driving device is in transmission connection with the brake, and the driving device is used for driving the brake to move; and the sensor unit is used for detecting the environment information around the railway vehicle. When the railway vehicle is in rainy and snowy weather, the sensor unit can determine that the railway vehicle is in rainy, snowy, wet and slippery weather according to detected environmental information around the vehicle, the control unit controls the driving device to operate according to a detection result of the sensor unit, and the driving device drives the brake to move. The brake disc of the brake is in contact with the inner side of the rail, so that the friction force between the rail vehicle and the rail is improved, and the braking capacity of the rail vehicle is enhanced in rainy, snowy, wet and slippery weather.

The application discloses a brake disc brake, a brake system and a brake disc brake / loosen brake method, relates to the technical field of oil drilling equipment, and comprises a clamp body assembly with a brake gap, brake blocks are arranged on the two side walls of the brake gap, at least one brake block piston block is present, each piston block is in sliding connection with a piston hole in the clamp body assembly; the middle part of the piston block is provided with an annular boss, a first sealing structure is arranged between the outer side wall of the annular boss and the inner wall of the piston hole, and the two ends of the piston block are respectively provided with a third sealing structure and a second sealing structure between the piston hole; the piston hole space between the first sealing structure and the second sealing structure is a brake oil cavity, and the piston hole space between the first sealing structure and the third sealing structure is a loosen brake oil cavity. The application changes the original mode in which only the elastic force of a butterfly spring is used as a braking force, and utilizes hydraulic oil to make the braking force of the brake larger, so that the development demand of equipment large-scale and heavy-load can be met.

The present invention provides a controller and a control method that improve safety of a saddled vehicle. According to the controller and the control method, a determination unit determines whether a braking operation unit is in operation, based on an output from a detector configured to detect a state quantity of the braking operation unit. An execution unit executes a driving support mode, in which a braking force generated in the saddled vehicle is amplified, when the determination unit determines that the braking operation unit is in operation. The execution unit, in the driving support mode: amplifies the braking force based on a surrounding environment information that is information about environment around the saddled vehicle; and changes, based on a degree of change in the output from the detector, a degree of reduction in the braking force at the end of the amplification of the braking force generated in the saddled vehicle.

The present invention discloses a push rod DC motor with a brake device, which relates to the technical field of push rod motors. The main structure includes a motor assembly, a brake assembly and a front end cover assembly; the brake assembly is arranged at the rear end of the motor assembly, and the front end cover assembly is arranged at the front end of the motor assembly; the front end cover assembly is used to detect the rotation speed of the rotating shaft in the motor assembly. The brake assembly uses a brake spring to make multiple brake pads hold the rotating shaft of the motor assembly. Only when the rotating shaft rotates in the forward direction, the brake spring releases the brake by relying on the friction between the rotating shaft and the multiple brake pads. When the rotating shaft reverses, the brake spring holds the multiple brake pads to further increase the braking force, thereby avoiding the reversal of the rotating shaft; at the same time, the rotation speed of the rotating shaft is detected by the front end cover assembly, so as to adjust the working state of the push rod DC motor.

The invention discloses an air brake type front loop emergency braking system and a using method thereof.The air brake type front loop emergency braking system comprises an air brake front module, a front conventional air brake pipeline, a front emergency air brake device and a control system, and the air brake front module is connected with the front conventional air brake pipeline and the front emergency air brake device; the front emergency air brake device comprises a spare tire and an emergency pipeline connected with the spare tire; the control system comprises a detection assembly and a control assembly, and the detection assembly is connected with the front conventional air brake pipeline and the rear conventional air brake pipeline and used for detecting the air pressure of the front conventional air brake pipeline and the air pressure of the rear conventional air brake pipeline. The control assembly is connected with the conventional air brake pipeline and the emergency pipeline and used for controlling connection and disconnection among the conventional air brake pipeline, the emergency pipeline and the air brake front module. According to the scheme, the spare tire which is idle for a long time is reasonably utilized, the front loop emergency braking system adopts an independent air source on the premise that an additional air storage device is not added, and failure of the emergency braking system is avoided.

The application discloses a brake footboard device and a vehicle, which comprises a mounting bottom plate, a brake valve, a brake footboard mechanism and an angle detection module. The valve top of the brake valve extends upward from the mounting bottom plate. The brake footboard module of the brake footboard mechanism is installed on the mounting bottom plate through a first overturning installation module. The pressing member is arranged on the lower side of the brake footboard module and faces the valve top. The brake footboard module overturns downward and drives the pressing member to press the valve top under the action of the foot pedal force. The brake footboard module overturns upward and returns to the initial posture under the condition that the foot pedal force is removed. The angle detection module is used for brake control of the transmission system of the vehicle according to the downward overturning angle of the brake footboard module. The pedal stroke and the brake force curve are close to the ideal linear relationship, the power transmission path is simple, the energy loss is small in the transmission process, the brake force is prevented from being greatly attenuated, the advantages of electric control and mechanical brake are combined, the brake force is quickly improved, and the brake distance is shortened.

The utility model relates to a rear brake stroke guaranteeing tool, which is clamped on a vehicle handle, measures the swing displacement of a brake handle by taking the vehicle handle as a reference, and structurally comprises a clamping part which is connected with the vehicle handle in a clamping manner, and a measuring part which is positioned on a swing displacement path of the brake handle and measures the displacement of the brake handle. According to the utility model, the clamping part at the front end of the clamp is clamped on the handlebar of the electric vehicle, the scales on the left side and the right side are read, applicable brake requirements are set for different vehicle types, the brake is adjusted to the appointed scale position of the hand brake, and the rear brake stroke in the production and manufacturing process of the electric vehicle is consistent.

This invention provides a gooseneck steering knuckle assembly and a vehicle having the same. The gooseneck steering knuckle assembly includes a steering knuckle body, which comprises a main body and a gooseneck. A first mounting hole is provided on the gooseneck for the motor and controller of an electromechanical brake to pass through, thereby connecting the gooseneck steering knuckle assembly to the electromechanical brake. By using the technical solution of this invention, and by providing a first mounting hole in the gooseneck for assembling the electromechanical brake, compared to arranging the brake on the side of the bearing, the brake's motion envelope is smaller, resulting in a more compact suspension arrangement. The saved space can be used to increase the wheel steering angle and the size of the electromechanical brake motor, thereby improving braking capability.

A plunger-type booster brake pump equipped with a one-way valve includes a housing assembly and a plunger assembly. The plunger assembly includes a plunger, a plunger sleeve, and a cup. One end of the plunger sleeve is movably disposed within the inner cavity of the housing assembly, forming a first volume chamber between the plunger sleeve and the inner cavity of the housing assembly. The cup divides the inner cavity of the housing assembly into a second volume chamber and a third volume chamber. A plunger cavity is provided at one end of the plunger adjacent to the plunger sleeve. The plunger cavity has first through holes evenly distributed around its axis that communicate with the second volume chamber, and a one-way valve is provided at the end adjacent to the first volume chamber. During operation, the plunger-type booster brake pump shortens the stroke and increases braking force by controlling the connection and disconnection between the first and second volume chambers through the one-way valve. At the same time, it avoids the pressure drop in the first volume chamber caused by the connection between the first and third volume chambers, solving the problem of the downward bending inflection point in the pedaling force curve and ensuring the braking safety of tractors or large motor vehicles.

The invention relates to the field of new energy automobile hub motor braking, in particular to a hub motor connecting piece, a hub motor pneumatic braking structure and a vehicle. Comprising a brake connecting piece, a hub motor, a hub, a brake piece and an air brake structure, and the output end of the hub motor is connected with the hub; one end of the brake connecting piece is connected with the hub, and the other end of the brake connecting piece extends out of the rim to be connected with the brake piece; the pneumatic brake structure is connected to an axle and is used for braking the brake component; and the hub motor is arranged in the rim. According to the invention, by adding the brake connecting piece, a hydraulic brake structure of the hub motor is converted into a pneumatic brake structure, so that the running and parking integrated brake function of the hub motor is realized, and the brake safety and economical efficiency of the hub motor are improved.

This utility model relates to the field of automotive brake technology and discloses a composite heat dissipation brake assembly, including a brake disc with multiple heat dissipation holes on its surface and ventilation ribs inside. A bracket is located on one side of the brake disc, and a top cover is located at the upper end of the bracket. Friction pads are located on the lower side of the top cover and inside the bracket, and the friction pads are disposed on the upper and lower sides of the brake disc. A caliper body is located on the upper side of the top cover and is connected to the friction pads. A cooling mechanism is located inside the bracket and communicates with the interior of the friction pads. This design has the advantages of reducing the maximum temperature of the brake caliper during operation, increasing braking force during prolonged braking, and reducing braking distance. It solves the problem that if heat cannot be effectively dissipated, it will lead to a decrease in braking performance, thus affecting driving safety.

The invention provides a braking system and method for a new energy mine card and a vehicle. An ECU is connected with a battery and a power distribution unit PDU through a bus. The battery is connected with the PDU; a first braking power reduction module is arranged between the battery and the PDU; the ECU is used for controlling the first braking power reduction module to start when determining that the current electric quantity is greater than the preset electric quantity and determining that the vehicle is in a first braking state based on the operation condition, so that the current distributed by the PDU flows through the first braking power reduction module; and the first braking power reduction module consumes electric energy corresponding to the current. When the ECU determines that the current electric quantity is larger than the preset electric quantity and determines that the vehicle is in the first braking state based on the operation working condition, the first braking power reduction module arranged in front of the battery is used for conducting energy conversion on the current so as to improve consumption of braking power, and therefore the vehicle can meet the braking power requirement, and the braking efficiency of the vehicle is improved. And the running safety of the mine truck is greatly improved.

The application relates to an auxiliary braking system and a vehicle. The auxiliary braking system comprises an air source, a driving cylinder fixedly arranged in the inner side of a wheel arch and comprising a cylinder barrel and a piston rod, a connecting pipe for connecting the cylinder barrel with the air source, a reversing valve arranged in the connecting pipe between the driving cylinder and the air source, a guide seat fixedly connected with the wheel arch, and a brake assembly arranged on the side of the guide seat close to the vehicle wheel, slidably connected with the guide seat and fixedly connected with the piston rod. The brake assembly is configured to be in contact with the vehicle wheel when the driving cylinder is extended and to be separated from the vehicle wheel when the driving cylinder is retracted. The application can effectively improve the braking capacity of the vehicle and thus improve the driving safety. In addition, the driving cylinder, the guide seat and the brake assembly are arranged in the inner side of the wheel arch, so that the application has the advantages of simple structure, small space occupation and no influence on the aesthetic appearance of the vehicle.

The utility model relates to the technical field of scaffolds, and discloses a wall-attached guide seat and an attached type lifting scaffold, which comprise a main body, and a mounting seat is fixedly mounted on one side of the main body; the holding claw assembly comprises a framework, a guide wheel and a speed reduction assembly, the speed reduction assembly comprises a speed reduction cylinder, a rotating body and flail blocks, the rotating body is fixedly connected with the guide wheel, the speed reduction cylinder and the framework are fixedly installed, the rotating body is located in the belly of the speed reduction cylinder, and the side wall of the rotating body is provided with the multiple flail blocks capable of sliding; the guide wheel rotates to drive the rotating body to rotate in the speed reduction cylinder, when falling occurs, the rotating speed of the guide wheel is increased, centrifugal force generated by rotation of the rotating body is larger than attraction force of the magnet to the throwing block, then the throwing block is thrown out by the rotating body to abut against all the speed reduction columns, and the end of the throwing block extrudes the speed reduction columns to generate resistance resisting rotation of the guide wheel. The rolling friction between the guide wheel and the guide rod is changed into sliding friction, the braking force between the guide wheel and the guide rod is greatly improved, and falling is restrained.

The utility model discloses a brake disc, a brake system and a vehicle, the brake disc comprises a disc body and heat dissipation assemblies, the heat dissipation assemblies extend in the radial direction of the disc body, the first ends of the heat dissipation assemblies are arranged in the disc body, the second ends of the heat dissipation assemblies extend out of the disc body, the number of the heat dissipation assemblies is multiple, and the heat dissipation assemblies are arranged in the disc body. The multiple heat dissipation assemblies are distributed in the circumferential direction of the disc body and suitable for conducting heat inside the disc body to the outside of the disc body. Therefore, heat in the brake disc can be transferred to the outside for heat dissipation, and the heat dissipation capacity of the brake disc is improved.

This invention relates to an apparatus and method for controlling a braking system of a vehicle, particularly a motor vehicle; a braking system; and a vehicle. The apparatus comprises: a stroke sensor device configured to detect the position of the brake pedal and / or the position of a piston in the master brake cylinder actuated by the brake pedal at multiple times; a pressure sensor device configured to detect the pressure in a fluid within the cylinder at multiple times; and a control device configured to activate a brake assist device when a change in the detected position over time exceeds a predetermined stroke gradient threshold, and, if necessary, additionally when the distance between two detected positions exceeds a predetermined stroke threshold, wherein the stroke gradient threshold or stroke threshold is predetermined based on the detected pressure change.

The invention relates to a wheel hub module (33) for a motor vehicle, having an electric drive device (1) and having a wheeled brake device (8), the wheel hub module (33) having a housing (34) with at least one first housing part (2) for the drive device (1), the wheeled brake device (8) having a brake disc (9) and an actuating device (35), the actuating device (35) being arranged in the housing part (2), the brake disc (9) being arranged in the housing part (2), and the actuating device (35) being arranged in the housing part (2). The actuating device (35) has at least one first brake piston (12), and wherein the first brake piston (12) is movably guided in the first brake cylinder (15) in the direction of the brake disc (9) and is operatively connected to a first brake pad (10) associated with the brake disc (9). According to the invention, the first brake cylinder (15) is integrally formed with the first housing part (2).

The utility model relates to brake device technical field provides a floating type brake shoe and disc brake system, the floating type brake shoe includes: support plate has the first board face and the second board face opposite in its thickness direction, and the circumferential side of connecting first board face and second board face, recessed has a plurality of installation slot along circumferential side arrangement and with circumferential side intercommunication on the first board face, a plurality of friction blocks, a plurality of friction blocks with a plurality of installation slot one -to -one setting, friction block and support plate elastic connection and partly sink in the installation slot, form the heat dissipation channel between every adjacent two friction blocks. The floating type brake shoe can guarantee brake shoe overall thickness and support plate thickness, increase the wear thickness of friction block, increase the friction area of each friction block on the basis of guaranteeing enough heat dissipation channel, improve the brake capacity of friction block, satisfy the use demand under the high wear and forced braking working condition.

The present invention discloses a hydraulic brake device, including two brake discs, which are arranged opposite to each other and connected to each other, a cavity is formed inside the brake disc, and the two cavities are connected to each other; a mounting groove is concavely provided on the surface of one brake disc facing the other brake disc, and the two mounting grooves are arranged opposite to each other and enclose to form a mounting space, a brake boss is convexly provided on the bottom wall of the mounting groove, and the inside of the brake boss is connected to the cavity, the two brake bosses are arranged opposite to each other, and an oil filling hole that passes through the cavity is opened on any brake disc; a brake pad, which is arranged in the mounting space and located between the two brake bosses, the protruding end of the brake boss is arranged toward the brake pad, and the surface of the brake boss facing the brake pad can approach or move away from the brake pad to lock or release the brake pad. The technical solution of the present invention aims to increase the braking force of the brake device to reduce the braking response time.

The utility model relates to the technical field of forklift braking, in particular to a forklift braking system and a forklift. The brake system comprises a prefill valve, an oil inlet of the prefill valve is connected with an oil outlet of a gear oil pump, and an oil outlet of the prefill valve is connected with an energy accumulator; an oil inlet of the hydraulic brake valve is connected between an oil outlet of the prefill valve and the energy accumulator, and a working oil port of the hydraulic brake valve is connected with a brake caliper of a brake disc; a first control end of the hydraulic brake valve is connected with a brake pedal, and when the brake pedal is stepped down, an oil inlet of the hydraulic brake valve is communicated with a working oil port; the one-way valve group is arranged between a working oil port of the hydraulic brake valve and a brake caliper of the brake disc; the one-way valve set is used for enabling the working oil port of the hydraulic brake valve to be communicated with the brake caliper in a one-way mode when the pressure of the working oil port of the hydraulic brake valve reaches a preset threshold value. According to the utility model, the gear oil pump of the forklift system is connected with the prefill valve to provide high-pressure oil, so that the braking force is effectively improved, and an additional power-assisted mechanism is not needed.

The application relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle arresting model and method. The method comprises the following steps: determining the air leakage time of an air pressure assembly according to parameters of the air pressure assembly and parameters of an arresting rope; when the current time is the air leakage time and the tail end of an unmanned aerial vehicle is in a connecting state with the arresting rope, controlling the air pressure assembly to start air leakage; monitoring the air leakage flow of the air pressure assembly in real time, and when the air leakage flow is greater than the maximum air leakage flow, adjusting the flow valve of the air pressure assembly so that the air leakage flow is less than or equal to the maximum air leakage flow. The method can ensure that the unmanned aerial vehicle is safely recovered.

The invention relates to an integrated power chain braking control method. The method comprises a constant-speed braking preset condition judgment process, an integrated braking sub-process and a different-cylinder-number braking sub-process. According to the invention, the stepless regulation and control of the braking power are realized by matching the matched linkage of the IAT and the high-power braking; and the influence of the gear of the gearbox on the vehicle speed is synchronously considered, and the downhill at the constant vehicle speed is realized through the gear of the gearbox, engine braking and IAT opening adjustment. High braking power is achieved, potential safety hazards are reduced, and meanwhile the use cost is reduced.

The invention provides a hybrid excitation linear eddy current braking system. The hybrid excitation linear eddy current braking system comprises an electromagnetic braking assembly, a permanent magnet braking assembly and a coil winding assembly. The electromagnetic braking assembly and the permanent magnet braking assembly are both installed at the bottom of a train so as to induce eddy current with a rail and brake the train. The coil winding assembly is arranged in the length direction of the track and forms a secondary part of the linear motor, and the permanent magnet brake assembly forms a primary part of the linear motor. And the train is braked. Eddy braking force is generated through common excitation of the electromagnetic braking assembly and the permanent magnet braking assembly, and the total power consumption and weight of the train brake can be greatly reduced. Meanwhile, the coil winding assembly with the three-phase sine alternating current and the permanent magnet braking assembly below the bottom of the train form a secondary part and a primary part of the linear motor, electromagnetic force is generated by giving appropriate current, the horizontal component of the electromagnetic force also plays a braking role, and therefore the braking performance of the train can be improved.

The invention discloses a method and system for shortening the braking distance of a vehicle and the vehicle, and belongs to the technical field of vehicle braking. The method comprises the following steps that scene information in front of the vehicle is obtained; acquiring a current vehicle speed; according to the scene information and the current vehicle speed, whether a critical collision threshold value is reached or not is judged, if yes, a servo motor at a vehicle chassis is controlled to move up and down, a distance reducing plate is driven by the servo motor to ascend and descend, and the distance reducing plate makes contact with the ground. A new braking force path is added for vehicle braking, the speed of the vehicle is effectively reduced, the braking distance is remarkably shortened, and the capacity of avoiding collision under the emergency condition is improved.

The invention relates to an adhesion braking force enhancing method and system based on an eddy current brake, and the method comprises the following steps: when a high-speed train carries out emergency braking, a linear eddy current brake enters a working state through excitation current; on the basis of longitudinal non-adhesion braking force generated by matching with a linear eddy current brake, exciting current is controlled by calculating the surplus of the maximum axle load and the actual axle load, so that vertical suction force is in a safe range, and meanwhile, the generated vertical suction force is combined with an adhesion coefficient to calculate an increased high-speed train adhesion force available domain; the available additional adhesion force is fed back to the adhesion braking system to improve the adhesion braking force, and the braking effect of the high-speed train is improved; and in cooperation with longitudinal non-adhesive braking force generated by a linear eddy current brake, efficient matching and utilization of braking force and adhesive force under multiple working conditions are achieved. The system can be applied to any type of linear eddy current brakes, and on the basis of an original high-speed train braking system, the total braking force is further improved, and the braking efficiency is improved.

The present invention discloses a compression-release type engine cylinder brake device, comprising a driving force input camshaft, a brake rocker assembly driven by the driving force input camshaft and capable of rotating and swinging around a rocker shaft, the brake rocker assembly comprising a brake rocker and a valve clearance control mechanism arranged in a mounting hole of the brake rocker, the valve clearance control mechanism comprising a brake plunger, a return spring with an upward elastic force on the brake plunger, and a drive device with an axial downward force on the brake plunger, the brake plunger facing the exhaust valve. The driving piston of the present invention synchronously drives the upper connecting rod and the lower connecting rod to swing, because the spherical heads of the upper connecting rod and the lower connecting rod respectively perform a twisting action in the corresponding spherical groove, the upper connecting rod presses the middle slider downward during the swinging and twisting process, and then the middle slider presses the lower connecting rod, and the lower connecting rod presses the brake plunger downward, so that the brake plunger moves downward, triggering the valve cap, thereby realizing the engine cylinder braking operation.