757 results about "Kinetic energy" patented technology

The invention relates to the technical field of automobile brake control, in particular to a self-adaptive brake kinetic energy recovery control method and system based on multi-sensor fusion. Tire wear and road surface feature data are collected through a multi-source sensing fusion unit, and a tire wear coefficient and a road surface friction coefficient are generated through an intelligent decision calculation unit; the method comprises the following steps of: integrating the nonlinear correlation of the multi-source sensing fusion unit and the self-adaptive control execution unit through a rule and data fusion algorithm, outputting a comprehensive friction coefficient, and dynamically adjusting the braking kinetic energy recovery force and response time by the self-adaptive control execution unit according to the comprehensive friction coefficient. The system comprises a multi-source sensing fusion unit, an intelligent decision calculation unit, the self-adaptive control execution unit and a closed-loop feedback calibration unit. The closed-loop unit corrects data deviation through cross validation of the laser radar and the motor torque inversion model, the problems of poor working condition adaptation and unreliable data are solved, and the kinetic energy recovery efficiency, the braking safety and the driving smoothness are improved.

The invention provides an active-disturbance-rejection full-wind-speed power smoothing method based on kinetic energy of a fan rotor, and belongs to the technical field of wind power control. The technical problem that the output power of a traditional wind turbine generator is unstable due to random fluctuation of the wind speed is solved. According to the technical scheme, the method comprises the following steps that S1, rotor kinetic energy is calculated based on a wind turbine kinetic model, and the effect of the rotor kinetic energy in power fluctuation stabilization is analyzed; s2, designing a first-order linear active disturbance rejection controller for rotating speed loop control; s3, designing a second-order linear active disturbance rejection controller for variable pitch control; and S4, dynamically generating an active power reference value by combining the kinetic energy of the rotor and an active disturbance rejection control technology, and controlling by coordinating a rotating speed ring and a variable pitch. The method has the beneficial effects that power fluctuation can be remarkably reduced under wind speed fluctuation and complex working conditions, the smoothness of power output is improved, meanwhile, the anti-interference capability and the dynamic stability of the system are enhanced, and efficient and stable operation of the wind driven generator system is ensured.

The invention relates to the technical field of geological surveying and mapping, and discloses urban three-dimensional geological surveying and mapping equipment which comprises a placement table, three supporting legs are rotatably connected to the inner wall of the placement table, air pressure sleeves are arranged at the bottoms of the three supporting legs, and fixing rings are fixedly connected to the inner walls of the air pressure sleeves. An operator supports the surveying instrument through the supporting assembly, then rotates the air pressure sleeve to enable the air pressure sleeve to be perpendicular to the ground, finally places the extrusion assembly to descend, enables the piston rod to make contact with the ground, enables the piston rod to extrude air in the air pressure sleeve and enables the air pressure to be increased, and generated ground vibration can be transmitted to the piston rod when the surveying instrument conducts surveying around a large number of vehicles. Kinetic energy is absorbed and vibration is relieved through compressibility of high-pressure gas at the top of the piston rod, so that vibration borne by the surveying instrument is reduced, and frequent vibration of the surveying instrument and influence on surveying and mapping accuracy when the surveying instrument is used for surveying and mapping in an area with many running vehicles are effectively prevented.

The present invention relates to a manipulator control device and a robot based on kinetic energy recovery. The manipulator control device includes a motor, a motor drive module, a controller and an energy storage device; the motor drive module is connected to a power source, and controls the rotation of the motor through a control signal sent by the controller; the energy storage device is connected to the motor drive module, and receives the reverse current transmitted from the motor through the motor drive module and stores electric energy when the motor decelerates; and / or releases the stored electric energy to output a discharge current when the motor accelerates, and the discharge current is transmitted to the motor through the motor drive module. The manipulator control device based on kinetic energy recovery of the present invention, by providing an energy storage device, stores energy when the motor decelerates and releases energy when the motor accelerates, which can not only reduce the heating of the motor and improve the safety of equipment operation, but also save energy and reduce costs.

The invention discloses a control method of a hybrid power system, the hybrid power system and a hybrid excavator. The control method of the hybrid power system comprises the steps that the required power of a hydraulic system, the required power of an electrically-driven rotation system and the current electric quantity of an energy storage module are obtained; the total demand power of the system is calculated according to the demand power of the hydraulic system and the demand power of the electric drive rotation system; determining the working mode of the hybrid power system according to the size relation between the total demand power and a first preset value and the size relation between the current electric quantity of the energy storage module and an electric quantity limit value; when the hybrid power system is in the heavy load mode, the generator motor is controlled to provide power for the hydraulic system; and when the hybrid power system is in the light load mode, the generator motor is controlled to convert part of kinetic energy generated by the engine into electric energy to charge the energy storage module. The system reliability can be enhanced, energy consumption and emission are reduced, and efficient utilization of energy is achieved.

The invention relates to the technical field of generator exhaust, and discloses a generator outlet exhaust pipe structure which comprises a connector and a vertical exhaust pipe, the bottom end of the connector is directly connected with the air outlet end of a generator, and the connector and the vertical exhaust pipe are connected through a metal bellow expansion joint. A vibration reduction component is arranged on the outer wall of the vertical exhaust pipe, and a temperature control component is arranged in the vertical exhaust pipe; the vibration reduction component comprises a fixed frame and a sliding frame, the fixed frame is connected with a wall and other fixed structures, thick springs and thin springs are used for forming a composite vibration reduction spring structure, and when the vertical exhaust pipe is subjected to low-frequency vibration, the displacement of the exhaust pipe is small, and at the moment, only the thin springs deform; when the vibration frequency rises and the displacement amount is too large, the thick spring starts to be connected with the thin spring in parallel for bearing, the variable stiffness characteristic is formed, the good vibration reduction effect is achieved, and meanwhile the damper works to absorb kinetic energy of vibration.

The diaphragm pump comprises a pump head, the pump head is provided with a liquid inlet, a liquid outlet, a liquid inlet cavity communicating with the liquid inlet, a liquid outlet cavity communicating with the liquid outlet and an extrusion cavity communicating with the liquid inlet cavity and the liquid outlet cavity, and the diaphragm pump further comprises a rolling turbulent flow piece arranged in the liquid inlet cavity and / or the liquid outlet cavity. The rolling turbulent flow piece can roll in the liquid inlet cavity and / or the liquid outlet cavity under the impact of water flow, and turbulent flow is conducted on the water flow; the utility model further discloses a water purifier which comprises the diaphragm pump. Through the arrangement of the rolling spoiler, when water flow moving at a high speed makes contact with and collides with the rolling spoiler, kinetic energy of water flow is converted into motion kinetic energy of the rolling spoiler, so that fluid with a slow flow speed does not cause large vibration of the cavity wall when the fluid collides with the cavity wall; meanwhile, friction noise generated when the water flow flows through the cavity wall is correspondingly reduced, and an excellent water flow noise reduction effect is achieved in a high-flow-speed machine according to the technical scheme.

The invention discloses an energy-saving servo hydraulic control system, which relates to the technical field of hydraulic control, and comprises a controller used for receiving an external control instruction and outputting an adjusting instruction according to a feedback signal; the servo driving unit receives the adjusting instruction, and a servo driver adjusts the rotating speed and the torque of a servo motor; according to the hydraulic power module, a servo motor drives a variable hydraulic pump to output oil; the hydraulic executing mechanism is used for executing a power output action; the sensing feedback module is used for collecting the position, oil way pressure and execution speed data of the hydraulic execution mechanism; the energy recovery module is used for recovering potential energy and kinetic energy under the braking or descending working condition and converting the potential energy and kinetic energy into hydraulic energy to be stored and reused; and the control valve group is used for accurately controlling the on-off, the flow direction and the flow distribution of the oil liquid. Through flow-pressure on-demand matching and graded energy recovery, the problems that a traditional hydraulic system is large in throttling loss, low in control precision and poor in load adaptability are solved.

The invention discloses an integrated motor and an assembling method thereof, and belongs to the technical field of motors, the integrated motor specifically comprises a disc type motor assembly, a fan and an adjusting assembly, the disc type motor assembly comprises a base, a stator assembly, a rotor assembly, a rotating shaft and a bearing, and the base is provided with a plurality of air channels in the circumferential direction; an air guide chamber is formed in the fan and is communicated with the air duct; the adjusting assembly is arranged on the air duct and used for adjusting the opening area of the air duct according to temperature changes. By arranging the adjusting assembly, when the rotating speed of the motor is high and the temperature is high, the opening area of the air duct driven by the adjusting assembly is enlarged, the heat dissipation airflow resistance is effectively reduced, and the kinetic energy loss of the air volume is reduced; when the rotating speed is low and the motor temperature is low, the adjusting assembly drives the opening area of the air duct to be reduced, the airflow is guided to be intensively discharged from the air duct, and the guidance quality and the utilization efficiency of the heat dissipation airflow are improved.

The invention relates to the technical field of mining equipment, in particular to a device and method for power generation through kinetic energy recovery, the device comprises a machine body, a bearing plate and a power generator, and the machine body is a hollow container with an opening in the upper end; the bearing plate is elastically arranged in the machine body through a spring device, and a fixed crushing structure is arranged on the bearing plate; the generator rotor is connected with the bearing plate through the motion conversion structure, so that the linear motion of the bearing plate is converted into the rotary motion of the generator rotor through the motion conversion structure; the fixed crushing structure comprises a mounting part, a retainer and an extrusion part. Through mutual cooperation of the mounting part, the retainer, the first elastic element and other structures, the effect of automatically fixing ores on the bearing plate is achieved, the ores are prevented from being popped out of the machine body by the spring device, and kinetic energy of the ores is fully recycled. And meanwhile, through cooperation of an extrusion part, a retainer, a driving gear, a rack and other structures, the effect of crushing the ore by utilizing kinetic energy of the ore is achieved, and subsequent transportation of the ore is facilitated.

A kinetic energy distribution transmission mechanism with double-drive control and double joints comprises a first drive device, a second drive device, a first joint arm, a second joint arm and a third joint arm, and a first idle wheel structure and a second idle wheel structure are rotationally arranged on a second joint shaft structure. A first driving wheel structure and a second driving wheel structure are arranged on the first joint shaft structure and are fixedly connected with the first joint arm; the first driving device is in transmission connection with the first idle wheel structure and the first driving wheel structure in sequence through a first rotary transmission pair, the second driving device is in transmission connection with the second idle wheel structure and the second driving wheel structure in sequence through a second rotary transmission pair, and the rotating directions of the second idle wheel structure and the second driving wheel structure are different. According to the utility model, sufficient kinetic energy can be provided, higher peak torque can be realized, the energy consumption in the overall movement process is lower, the manufacturing cost is lower, and the occupied overall space and mass are lower.

The invention provides a vehicle braking energy recovery method and device, electronic equipment and a storage medium, and relates to the technical field of vehicles, the braking state of a vehicle is judged according to brake pedal travel change information, if the braking state is an emergency braking state, the vehicle is controlled to adopt a first braking energy recovery strategy for braking energy recovery, and if the braking state is not an emergency braking state, the vehicle is controlled to adopt a second braking energy recovery strategy; if the braking state is a comfortable braking state, the vehicle is controlled to adopt a second braking energy recovery strategy for braking energy recovery, when the braking state of the vehicle is an emergency braking state, kinetic energy formed by deceleration is relatively large, at the moment, a high braking energy recovery coefficient is adopted for braking energy recovery, and otherwise, the braking energy is recovered. When the braking state of the vehicle is the comfortable braking state, kinetic energy formed by deceleration is relatively less, at the moment, braking energy can be recovered by adopting a relatively low energy recovery coefficient, and the overall braking energy recovery efficiency of the vehicle is improved through differentiated braking energy recovery strategies.

The invention discloses a roadway tunneling and conveying all-in-one machine with impact cutting teeth for assisting rock breaking. The roadway tunneling and conveying all-in-one machine comprises a walking mechanism, a main machine body, a material conveying mechanism, a material receiving mechanism, a multi-dimensional adjusting mechanism, a rotary driving mechanism and a cutting head mechanism. Cutting tooth units distributed along a spiral track are arranged on the surface of the cutting head mechanism, energy storage rebound mechanisms are arranged in the cutting tooth units, impact inertia kinetic energy is stored and released through multi-layer irregular arrangement of balls, secondary rock breaking is achieved, and the cutting efficiency and the hard rock adaptability are improved. The multi-dimensional adjusting mechanism expands the operation range through cooperation of a rotating base, a hydraulic cylinder and a hydraulic telescopic rod. The material receiving mechanism comprises an angle-adjustable material containing plate and symmetrically-arranged material sweeping wheels, the material sweeping wheels buffer a material pushing plate through springs to avoid collision damage, and an auxiliary feeding mechanism is arranged to enhance the material conveying continuity. Impact kinetic energy is recycled, the cutting range is flexible and adjustable, efficient collection and conveying of materials are integrated, and the device is suitable for high-hardness rock stratum roadway tunneling.

The invention discloses a system and method for testing the braking condition of a deepwater power source, and relates to the technical field of underwater power source digital testing, and the system comprises a power simulation device which is used for simulating the power source to provide normal working kinetic energy for underwater equipment; the braking simulation device is used for simulating braking kinetic energy provided by a braking source for underwater equipment during energy consumption braking; the testing device is connected with the power simulation device and the braking simulation device, and is used for switching working kinetic energy provided by the power simulation device into braking kinetic energy provided by the braking simulation device during energy consumption braking, collecting electric parameters output by the braking simulation device after the braking kinetic energy supplies energy to underwater equipment, and transmitting the electric parameters to the testing device; and the system performance of the deepwater power source under the braking condition is verified by using the electrical parameters. Data reference is provided for the system design of the actual underwater power source, and the overall system performance of the underwater power source under the braking condition is further accurately verified.

The embodiment of the invention provides torque control of a vehicle, the vehicle and a computer readable storage medium, and relates to the technical field of vehicles. The method comprises the steps that in response to the fact that the vehicle is in an energy recovery mode, target deceleration is determined based on preset deceleration and a road slope value, and the energy recovery mode is used for converting kinetic energy of the vehicle into electric energy; determining a required braking torque of the vehicle based on the target deceleration and the actual deceleration; a torque control instruction is generated based on the required braking torque and the maximum regenerative braking torque, the maximum regenerative braking torque is the maximum value of the regenerative braking torque provided by the motor, and the regenerative braking torque is the reverse torque generated by the motor when the vehicle decelerates; and controlling the output torque of the motor or the friction brake based on the torque control instruction. The technical problem that the energy recovery performance of a sliding energy recovery system in the prior art is unstable under different slope conditions is solved.

The present application particularly relates to a sewing machine for realizing intermittent cloth feeding operation, comprising a cloth feeding assembly and an intermittent driving assembly. The cloth feeding assembly comprises a cloth feeding wheel and a transmission rod connected to the cloth feeding wheel. The intermittent driving assembly comprises a driving body, a planetary gear assembly connected to the driving body and driving the transmission rod based on the driving body. The driving body has an axis, an eccentric wheel arranged at the axis, and an output connected to the eccentric wheel and the planetary gear assembly. The eccentric wheel is shaped with a plurality of first teeth at the outer edge. The output is shaped with a plurality of second teeth matched with the first teeth. The eccentric wheel performs an elliptical motion relative to the output after being driven by the axis. The output outputs kinetic energy to the planetary gear assembly only when the first teeth engage the second teeth.

A computer system controls a powertrain system of a vehicle. The computer system has processing circuitry configured to selectively operate the powertrain system in a number of operational modes, comprising at least a freewheeling mode, in which an output shaft of the engine is non-rotating, and the engine is disconnected from the one or more drive wheels, wherein the processing circuitry is further configured to: predict fuel saving in response to a potential up-coming freewheeling mode period, the fuel saving being determined from engine-idle fuel consumption data; predict a loss of kinetic energy for restarting the engine in the freewheeling mode using a controllable clutch; predict fuel consumption needed to regain the predicted loss of kinetic energy; compare the predicted fuel saving with the predicted fuel consumption; determine to control the powertrain system into the freewheeling mode based on the comparison; and control the powertrain system into the freewheeling mode.

The present application relates to the technical field of regenerative braking, in particular to a mine truck energy recovery torque rate control method based on vehicle mass and transmission parameters, comprising the following steps: collecting vehicle operation data to construct a time series data set, calculating kinetic energy response sensitivity index and correcting the maximum allowed rising slope, extracting elastic power difference value and oscillation component based on second-order differentiation, and generating torque rate control instruction. In the present application, the influence degree of the current load state of the vehicle on the kinetic energy recovery is quantified, and the maximum allowed rising slope is dynamically corrected accordingly to accurately adapt to different load conditions. The elastic power difference value of the transmission system is extracted by using the second-order differentiation of power, and the oscillation component is separated. When the oscillation is detected to exceed the threshold, the dynamic damping correction value is calculated to down-regulate the limit parameter, which not only ensures the smoothness of torque establishment under heavy load conditions to avoid mechanical damage, but also effectively suppresses the elastic torsional vibration of the transmission system.

The utility model provides a folding type catapult rack device for assisting takeoff of a flapping-wing unmanned aerial vehicle. The folding type catapult rack device comprises a track bottom plate, a guide rail, a guide rail shaft, a folding supporting and fixing assembly, a lifting table, a tripod supporting assembly, a lock catch fixing assembly, a catapult spring, a catapult baffle and a stop block spring. A guide rail and a guide rail shaft are arranged on the front face of a rail bottom plate, so that an ejection spring drives a lock catch fixing assembly to make contact with an ejection baffle, and kinetic energy is provided for takeoff of the flapping-wing unmanned aerial vehicle; the lifting platform is arranged at one end of the reverse side of the track bottom plate, the tripod supporting assembly is arranged at the other end of the reverse side of the track bottom plate, the mounting groove is formed in the upper portion of the folding supporting and fixing assembly, and the mounting hole matched with the mounting groove is formed in the lifting platform so that the height between the track bottom plate and the ground can be adjusted, and therefore the inclination angle of the track bottom plate can be adjusted. And the inclination angle of the lock catch fixing assembly is adjusted, so that the flapping-wing unmanned aerial vehicle has a proper take-off inclination angle.

The present application relates to a kind of inertial energy storage methods.A kind of inertial energy storage method uses inertial energy storage device, with the cavity of fluid being contained, kinetic energy recovery device and the transmission member driven by the pressure of fluid in cavity, the method includes: fluid in cavity is accelerated;Fluid in cavity is applied deceleration resistance by kinetic energy recovery device, so that fluid in cavity is decelerated;During the deceleration of fluid in cavity, the kinetic energy of fluid deceleration is recovered by kinetic energy recovery device;Wherein, using the acceleration effect of fluid in cavity, the pressure of fluid in cavity is increased from first pressure to second pressure according to the velocity variation rate and movement state of fluid;Before the step of kinetic energy recovery device recovery kinetic energy ends, additionally by transmission member, the fluid pressure energy generated by fluid under the action of second pressure is obtained, wherein, first pressure is less than second pressure.

This application provides a method, apparatus, device, and medium for transient torque control of a vehicle. The method includes: upon detecting that a vehicle has passed through a transmission gap region, determining a reference angle radian corresponding to the vehicle passing through the transmission gap region based on a first angle radian rotated by the motor and a second angle radian rotated by the electric drive output terminal; upon detecting that the vehicle has re-entered the transmission gap region, determining the corresponding real-time angle radian; determining a target motor angular velocity corresponding to the vehicle being in the transmission gap region based on the radian deviation value between the reference angle radian and the real-time angle radian; and determining a target motor torque based on the target motor angular velocity and the current actual motor angular velocity, and performing torque control. This application reduces the gear impact kinetic energy during drive reversal by performing closed-loop speed control on the motor torque in the transmission gap region, thereby reducing the impact of the transmission gap region on vehicle drivability during transient torque transitions.

The utility model relates to the field of elevator anti-falling devices, in particular to an intelligent anti-falling device of a construction elevator, which comprises a guide rail bracket, the guide rail bracket is fixedly mounted on the construction ground, the guide rail bracket is formed by fixing four cylindrical rods along a rectangle, an anti-falling plate is arranged at the lateral position of the guide rail bracket, and the anti-falling plate is arranged on the guide rail bracket. The outer side face of the anti-falling plate is used for being connected with a hanging basket of the construction elevator, shaft rods are symmetrically installed at the upper positions of the inner side wall of the anti-falling plate, speed measuring wheels are installed at the tail ends of the shaft rods, and the outer rings of the speed measuring wheels are attached to the outer side of the guide rail frame. Guide strip blocks are symmetrically and fixedly installed on the guide rail frame, rectangular holes are formed in the inner sides of the guide strip blocks, one sides of the rectangular holes are communicated with rectangular grooves, and anti-falling square pipes are inserted into the rectangular holes. Therefore, a safer and more reliable anti-falling effect is achieved, and a better guarantee is provided for safe operation of the building hoist.

The invention provides a tax data distribution device and method of a heterogeneous tax system, and relates to the technical field of heterogeneous tax, the tax data distribution device comprises a vehicle door main body and a plurality of buffer assemblies arranged in the vehicle door main body, and the plurality of buffer assemblies are arranged in the vehicle door main body in a rectangular parallel manner. External impact energy can be effectively absorbed through the buffer assembly, direct injury of impact to passengers is relieved, the overall safety is improved, impact force generated when the automobile door is impacted is transmitted to the top plate attached to the impact position, after the top plate is stressed, the force is transmitted to the damper connected with the top plate, the compression or deformation process of the damper needs time, and the impact force is transmitted to the automobile door through the buffer assembly. According to the invention, the damper is arranged on the vehicle door, so that instant violent impact is prolonged into a relatively gentle force action process, the impact action duration is prolonged, the stress impact rate is reduced, and meanwhile, a part of impact kinetic energy is consumed by the damper through internal friction or plastic deformation, so that the vehicle door and the vehicle body structure are protected.

The invention relates to a micromechanical structure having a substrate and a seismic mass which is movable relative to the substrate, wherein a torsional spring connects the seismic mass to the substrate. The micromechanical structure further has a detection mechanism, wherein a first direction and a second direction which is substantially perpendicular to the first direction define a main extension plane of the substrate, wherein the detection mechanism is designed to detect a rotational displacement of the seismic mass about a rotational axis, wherein the rotational axis is arranged in the second direction. The micromechanical structure further has a stop structure, wherein the stop structure is arranged such that a movement of the seismic mass is limited by the stop structure, wherein the stop structure is designed to absorb kinetic energy of the seismic mass in a partially elastic, partially inelastic collision.

Disclosed is an apparatus for controlling communication / separation of air chambers of a spring-loaded pneumatic power tool, said apparatus comprising a cylinder housing (11) and an energy accumulator housing (13), a first air chamber (111) being formed inside of the cylinder housing (11), and a second air chamber (131) being formed inside of the energy accumulator housing (13). A piston striker assembly (6) that can move in the axial direction is arranged in the cylinder housing (11). A lifting wheel (3) and a locking assembly (2) are respectively arranged on two sides of a path of movement of a striker (61), and the lifting wheel (3) and the locking assembly (2) are both controlled by a motor (1). The side on the end at which the cylinder housing (11) is connected to the energy accumulator housing (13) is further provided with an opening / closing valve (14) and a jacking spring (15). Under the action of the jacking spring (15), the opening / closing valve (14) blocks an end surface of the cylinder housing (11), such that the first air chamber (111) is separated from the second air chamber (131). A driving rod (10) is further provided in the energy accumulator housing (13), one end of the driving rod (10) is connected to the opening / closing valve (14) to form a synchronous movement structure, and the other end of the driving rod (10) extends out of the energy accumulator housing (13). The first air chamber (111) and the second air chamber (131) are controlled to be in communication or separated by the movement of the opening / closing valve (14). When the piston striker assembly (6) is in an upper stop position, the opening / closing valve (14) blocks the end surface of the cylinder housing (11). The apparatus bears small initial kinetic energy from false firing, thus having a longer product life and providing higher safety.

A kind of automobile engine suspension bracket detection device, including, the middle two sides of the bottom plate upper end face are connected with fixed component, four vibration enhancement components are connected to the bottom plate lower end face four corners, two The vibration component is connected to the bottom plate upper end face two sides, two sliding seats are slidably connected in the T-shaped sliding groove, and two The suspension bracket is connected on the sliding seat.The utility model has the advantages of being set as separate component, by setting vibration component and vibration enhancement component, by starting double-shaft motor to drive eccentric disc to rotate, drive bottom plate to vibrate, while vibrating, bottom plate will kinetic energy be transferred to telescopic link and spring, by spring continuous compression rebound, simulate the scene of automobile vibration, relative to detection on car, greatly reduce the tediousness of detection, improve detection efficiency.

The invention relates to the field of rotating wheel discs, in particular to a T-shaped blade root blade collision damping device. Comprising a vibration assembly which is a blade with a T-shaped blade root structure; the supporting assembly is connected with the vibration assembly, and a non-bearing surface area is arranged on the supporting assembly; the damping groove is formed in the non-bearing surface area, a damping structure is arranged in the damping groove, energy dissipation can be achieved, and when the blade vibrates, the damping structure freely moves in the damping groove, and vibration energy is dissipated through mutual collision; the damping grooves are formed in the non-bearing surface areas of the T-shaped grooves of the wheel disc, the damping structures can freely move in the damping grooves and collide with one another, vibration kinetic energy is dissipated, and blade vibration can be remarkably reduced.

A tensioning device for a safety belt component, comprising a gas generator for generating a pressurized gas, a piston that can be driven by the pressurized gas, a tension cable that is connected to the piston and is connectable to a safety belt component to be set into a tensioning movement, a tensioner tube for receiving and guiding the piston, and a guide block that forms a cable guide and in which a receptacle receiving the gas generator and a pressure chamber fluidically connected to the receptacle are formed, wherein the guide block is connected to the tensioner tube and the tension cable runs rectilinearly in a piston movement direction from the tensioner tube through the pressure chamber, and wherein at least one damping element is formed, which absorbs the kinetic energy of the safety belt component in the event of a load-free tensioning movement.

This application discloses an auxiliary braking device, method, system, medium, equipment, and vehicle. The auxiliary braking device includes: a housing with a cavity formed inside; a drive shaft, connected to the wheel and at least partially disposed within the cavity; an electromagnet disposed within the cavity; and a magnetorheological fluid filling the cavity. The auxiliary braking device is configured to utilize the internal frictional adhesion force generated by the magnetorheological fluid moving within the cavity to convert the kinetic energy of the vehicle into the internal energy of the magnetorheological fluid, thereby achieving auxiliary braking. The auxiliary braking device provided by this invention achieves this by using the adsorption and release of the magnetorheological fluid under the control of a magnetic field. During normal driving, it does not affect the vehicle's power transmission; when deceleration is required, it utilizes the internal friction of the magnetorheological fluid itself to convert kinetic energy into internal energy, thus achieving an auxiliary braking effect. This device has a simple structure and is easy to operate, and can greatly protect the safety and reliability of the vehicle's main brake disc, effectively eliminating or reducing the occurrence of brake failure during long-term downhill driving or continuous deceleration.

The utility model discloses a transfer case and a vehicle, and the transfer case comprises a transfer case shell, a transfer case cover and a transfer case cover, the input shaft is located below the transfer case shell, one end, in the left-right direction, of the input shaft extends into the containing space, and the other end of the input shaft is connected with an output shaft of the engine; the driving motor comprises a driving motor shell and a motor shaft, the driving motor shell is connected with the transfer case shell, the driving motor shell and the input shaft are arranged in a vertically spaced mode, and the motor shaft is selectively in transmission connection with the input shaft. Therefore, the driving motor shell is integrated on the transfer case shell, and the driving motor shell and the input shaft are arranged at intervals up and down, so that the driving motor and the engine can be separately arranged, heat dissipation of the motor is facilitated, in addition, the motor shaft and the input shaft are selectively in transmission connection, and increase of kinetic energy of the engine or additional consumption of kinetic energy of the motor can be avoided; therefore, the energy consumption of the whole vehicle can be reduced, and the NVH performance of the whole vehicle