34results about How to "Reduce frustration" patented technology

The invention belongs to the technical field of virtual reality, and discloses a virtual rich real environment training system based on benign stress, comprising: a database module for storing cognitive tasks and virtual scenes; the acceptance testing module is used for testing a preset cognitive task of the user and generating a scene acceptance index; and the initial training task generation module is used for generating a training task comprising two groups of scene parameters and one cognitive task according to the index. And the training execution module is used for constructing a dynamically changing virtual training scene according to the two groups of parameters and executing a cognitive task in the virtual training scene. And the training task updating module is used for generating a new training task based on the execution result and the acceptability index. And the training planning module formulates an overall training plan and controls an execution process. Personalized training content is provided by evaluating individual differences of the users, it is ensured that the training difficulty is matched with the capabilities of the users, and the training effect is optimized while the user participation degree and the possibility of insisting in training for a long time are improved.

The invention relates to the technical field of learning education, and particularly discloses an exercise error cognition dimension analysis system and method, and the system comprises an error analysis module, a data analysis module, an exercise library management module, a learning resource module, and a user management module. The error recognition module is used for recognizing the source and type of error recognition, the data analysis module is used for summarizing and analyzing learning data of a user and providing decision support for teachers, and the exercise library management module is responsible for managing exercises in the system and the answering training process of the user; according to the method, plane geometry knowledge is decomposed into a plurality of stage targets, a user is gradually guided to master basic knowledge and skills, the cognitive load of students is reduced, the feeling of contusion caused by too large difficulty is reduced, the user is driven to think and master a knowledge point solving method through targeted exercise training and instant feedback, the logical reasoning ability of the students is cultivated, and the learning efficiency of the students is improved. And geometric proving can be independently carried out.

The utility model discloses a magnetism gathering type linear motor, comprising a stator comprising a stator yoke portion extending along the X-axis direction and a plurality of stator tooth portions arranged on the stator yoke portion at intervals along the X-axis direction; the mover is arranged opposite to the stator in the Y-axis direction, and the mover comprises a mover yoke part and an iron core monomer connected with the mover yoke part; each single iron core comprises an iron core end part and first permanent magnets and second permanent magnets which are arranged on the iron core end part, the magnetizing directions of the first permanent magnets and the second permanent magnets are not parallel, the first permanent magnets and the second permanent magnets are alternately arranged along the X-axis direction, the number of the first permanent magnets is N, the number of the second permanent magnets is N-1, and N is greater than or equal to 2; the stator tooth part comprises a stator top wall adjacent to the iron core single body and two first stator side walls connected to the two sides of the stator top wall in the X-axis direction, and a chamfer structure is formed between the stator top wall and the first stator side walls. By adopting the structure, the magnetic gathering effect is obvious, and the cogging force of the motor is effectively reduced.

The utility model belongs to the technical field of automobiles, and particularly relates to a high-stability automobile seat adjusting chassis which comprises a fixed base fixedly connected with an automobile body, and a mounting bracket, a driving assembly, a seat mounting plate and a limiting assembly which are arranged on the fixed base, the rear end of the seat mounting plate is hinged to the fixed base through a hinge shaft, the front end of the seat mounting plate has the degree of freedom of rotating along the hinge shaft through a driving assembly, the driving assembly comprises a driving motor, a rotating sleeve and a lead screw, the rotating sleeve and the lead screw are matched with each other, the driving motor is hinged to the mounting support, and the lead screw is in driving connection with the driving motor. The rotating sleeve is installed at the front end of the seat installation plate in a hinged mode, the adjusting precision is high, good stability is achieved, the angle of the seat is stable and free of pause feeling during adjustment, the structure is simple, and the manufacturing cost is low.

The utility model belongs to the technical field of electric rocking chairs, and particularly relates to an electric rocking chair and a sofa. The suspension frame is hinged with the underframe through a first connecting rod group; the driver is arranged on the bottom frame, the driving end of the driver is connected with the hanging frame through a crankshaft so as to drive the hanging frame to shake, the driver of the base drives the crankshaft to rotate, the crankshaft rotates to drive the driving rod to periodically reciprocate, and therefore shaking of the hanging frame is achieved. The driver can drive the crankshaft to stably rotate, and no delay exists, so that the rocking chair can stably shake, and the pause feeling is greatly reduced.

The invention provides a bending-torsion composite shock absorber structure of a rotor system and a shock absorption method of the bending-torsion composite shock absorber structure, and relates to the technical field of bending-torsion composite shock absorption. According to the bending and twisting composite shock absorber structure of the rotor system and the shock absorption method of the bending and twisting composite shock absorber structure, the bending and twisting composite shock absorber structure of the rotor system comprises a mounting outer disc, a plurality of damping shock absorbers and an outer support, the damping shock absorbers are mounted in the mounting outer disc and distributed in a circumferential array mode, and the outer support is mounted on the inner sides of the damping shock absorbers; the driving disc assembly comprises a driving disc body, a plurality of key grooves used for being connected with a driving shaft of the rotor system are formed in the outer surface of the driving disc body, a friction plate is fixedly connected to the center of the front side wall of the driving disc body, and a connecting circular ring is fixedly connected to the position, located on the outer side of the friction plate, of the front side wall of the driving disc body. The distance between the two movable limiting blocks is adjusted, so that the relative rotation angle of the driving disc and the driven disc is changed, and then different working conditions and load changes are adapted.

The utility model relates to the technical field of lifting devices, and discloses a hydraulic cantilever beam lifting device which comprises a moving trolley, a rack, an upper cover and the like. An electric heater, a temperature sensor and a water replenishing port are arranged at the bottom of the tank body; the rack is arranged on the left side of the upper surface of the mobile vehicle, and is internally provided with a hydraulic oil cylinder; the upper surface of the cross beam is provided with a stirring speed reducer, and the output end of the stirring speed reducer is connected with a stirring paddle. According to the device, the hydraulic oil cylinder is matched with the guide rod to realize stable lifting of the cross beam, the stirring speed reducer drives the stirring paddle to work, all parts of equipment operation are coordinated and smooth, lifting is stable, and vibration, abnormal sound and pause are reduced. Meanwhile, the rack body is simplified and optimized, unnecessary machining parts are removed, on the premise that the equipment performance is guaranteed, materials and labor cost are saved, the overall cost performance of the equipment is remarkably improved, and good practical value is achieved.

The present invention relates to a gearbox shift control system, method, device and tractor for a tractor, and belongs to the technical field of tractor control. The system includes a starting clutch, a gearbox and a controller arranged on the tractor, wherein the starting clutch is controlled by a proportional solenoid valve, and the gearbox includes a plurality of gear clutches, each gear clutch is controlled by a switch solenoid valve, and the proportional solenoid valve and each switch solenoid valve are connected to the controller; the controller is used to obtain the operating parameter information of the tractor in real time; judge whether the current gear of the gearbox of the tractor meets the automatic shifting condition; if the automatic shifting condition is met, a control strategy is generated based on the operating parameter information and a preset control rule, and the operating state of the proportional solenoid valve and at least one switch solenoid valve of the gearbox is controlled based on the control strategy, so that the current gear of the gearbox is switched to the target gear. The slipping phenomenon of the clutch during the gear shifting process is reduced.

The invention discloses a tracking and parking control method based on monocular vision, which comprises the steps of dividing a tracking and parking control process into a plurality of stages, determining a tracking and parking mode of a vehicle based on the running information of a front vehicle identified by monocular vision, and controlling the running of the vehicle based on the determined tracking and parking mode of the vehicle. The method has the advantages that the pause phenomenon caused by monocular recognition errors is reduced, and the stability and comfort of following stop control are improved. The following parking distance control in the following parking process, the driving comfort in the following parking process and no abnormal secondary starting after following parking are obviously improved, and the overall performance of the intelligent driving system is effectively improved.

The invention discloses a domestic ceramic glaze spraying device, and relates to the technical field of ceramic glaze spraying, the domestic ceramic glaze spraying device comprises a station seat, a plurality of bracket assemblies are arranged on the station seat, each bracket assembly comprises a shaft barrel, the shaft barrel is rotatably arranged on the upper surface of the station seat in a penetrating manner and is driven by a motor to rotate, and an outer shaft pipe is axially inserted into the shaft barrel in a sliding manner; according to the rotary glaze spraying device, a traditional structure fixed bracket is changed, the first bracket and the second bracket which are distributed in a staggered mode are adopted to jointly bear the ceramic blank, in the process of driving the ceramic blank to rotate and spray glaze, the two sets of abutting frames alternately pass through the concave parts, and therefore the ceramic blank can be stably and stably sprayed, and the glaze spraying effect is greatly improved. The outer shaft pipe and the inner shaft rod alternately ascend and descend, the first bracket and the second bracket are alternately separated from the bottom of the ceramic blank, one-time non-shielding comprehensive glaze spraying on the ceramic blank is achieved, secondary turn-over glaze spraying is not needed, follow-up manual glaze dispensing is not needed, the glaze spraying efficiency is high, and the ceramic glaze surface is uniform.

The utility model relates to the technical field of cleaning electric appliances, and discloses a floor brush assembly and a cleaning machine, the floor brush assembly comprises a shell, one side of the shell is connected with a rolling brush, and the bottom, close to the rolling brush, of the shell is provided with a mounting part; and the scraping strip is made of a soft rubber material, and the scraping strip is detachably connected to the mounting part. The mounting part is arranged on the shell, and the scraping strip is detachably connected to the mounting part, so that after the scraping strip is used for a long time and is seriously abraded, a user can detach the scraping strip from the shell according to actual requirements and replace the scraping strip with a new scraping strip, the operation is relatively convenient, and the user experience is improved.

The present disclosure relates to maintaining user privacy and blocking access to information of other entities. In one aspect, a method includes receiving, from a client device, a content request including a request signal specifying user group identifiers, each user group identifier identifying a user group including a user of the client device. One or more user group identifiers satisfying a first k-anonymity process are identified. Selection parameter elements are received from one or more first content platforms, each selection parameter element including data indicative of a respective digital component and a selection parameter for the respective digital component. At least a portion of the selection parameters and, for each selection parameter, data identifying the first content platform from which the selection parameter was received are sent to a second content platform. Data specifying a given first content platform selected based on the selection parameters is received from the second content platform.

The utility model relates to the field of paper towel holder discloses a rotation bounce clamping inner core and paper towel holder, is equipped with stand column subassembly on the base of paper towel holder, and rotation bounce clamping inner core includes decontamination sprayer, and stand column subassembly includes upper gear ring, lower gear ring, rotating part and elastic part, is equipped with the cooperation block of being suitable for with the meshing of upper gear ring and lower gear ring on rotating part, is equipped with the guide portion on upper gear ring and lower gear ring, and the guide portion guides the cooperation block and rotates between upper gear ring and lower gear ring, and the elastic part abuts against rotating part to provide the power of cooperation block and moves up, is equipped with the clamping portion for clamping decontamination sprayer on rotating part, and the upper end of upper gear ring is equipped with the avoidance slot for avoiding clamping portion. Through the cooperation of elastic part, upper gear ring, lower gear ring and cooperation block, the axial pressing force is converted into the circumferential rotation of rotating part, makes the staggered distribution or radial alignment between clamping portion and avoidance slot, makes clamping portion switch between clamping state and relaxation state, and the structure is stable and ingenious, reduces the feeling of frustration, and is not easy to jam.

The invention discloses a power take-off system and a transmission system adopting a wet friction clutch mode, the power take-off system comprises an input assembly, an output assembly, a clutch device and a control assembly, a transmission drives the input assembly to rotate synchronously, the control assembly controls oil to act on a pushing piece at different flows, and therefore the power take-off effect is achieved. The clutch device is switched in different states, so that the first assembly and the second assembly, connected with the input assembly and the output assembly respectively, of the clutch device are connected, power is transmitted to the output assembly from the input assembly, control convenience is improved, the applicability of power take-off operation in the dynamic working condition is improved, and the power take-off efficiency is improved. And the operation flow of oil liquid is adjusted through the control assembly, so that the pushing piece conducts driving operation at different times and different speeds, then in the normal power output process of the whole vehicle, power take-off operation is conducted more gently and stably, pause and impact force are reduced, the clutch device is further protected, and the service life of the clutch device is prolonged. And the operation applicability and reliability of the power takeoff are improved.

The present invention mainly relates to the field of passenger safety technology, and in particular to a vehicle seat robot that can counteract centrifugal force and prevent impact. The robot includes an active anti-sway structure and a control module; the active anti-sway structure includes a first base plate, a support seat, a swing frame, a plurality of swing arms and a first screw motor assembly, the lower side of the support seat is fixedly mounted on the first base plate, the upper side of the support seat has a first mounting seat, the outer side of the swing frame has a plurality of pins, one end of each swing arm is rotatably connected to one of the pins of the swing frame, and the other end of each swing arm is rotatably connected to a first mounting seat, the first screw motor assembly is mounted on the first base plate and has a first screw motor, the movable end of the first screw motor assembly is connected to the swing frame, and the first screw motor assembly is used to drive the swing frame to roll according to the first control signal sent by the control module to compensate for the centrifugal force.

The invention discloses an efficient gearbox control valve set, belongs to the field of gearboxes, and solves the problem that in the prior art, under the condition that a gearbox is rapidly connected or separated, the pause feeling is serious. According to the invention, a plurality of groups of oil way channels are constructed in the valve plate of the valve group, and all the oil way channels are correspondingly communicated with all gear pistons of the gearbox respectively; a buffer oil cavity is formed in the other end of the oil way channel, and a buffer valve piece for filling liquid after the pressure of the oil cavity at the upper end is relieved is arranged in the buffer oil cavity; distribution oil way channels are formed in the valve bank valve plate and communicate with all the oil way channels through communicating ports correspondingly. The oil inlet end of the distribution oil way channel is provided with a priority valve which opens or closes the distribution oil way channel after moving. The efficient gearbox control valve set is provided with the buffer valves of all the gears, so that connection and separation of a clutch are delayed, pause caused by rapid connection and separation is reduced, and the service life is effectively prolonged.

This utility model discloses a novel slider assembly for a gear shifting mechanism, comprising a slider body, an assembly opening at the top of the slider body, a steel ball slidably fitted within the assembly opening, and a high-strength spring pressed against the bottom of the steel ball, providing a continuous and stable rebound force. A positioning cavity is provided within the slider body, through which the high-strength spring is assembled and positioned. A limiting step is also provided within the positioning cavity, limiting the steel ball's position. This effectively solves the problems of inaccurate gear positioning, excessive pressure on the steel ball, and low assembly precision in existing slider assemblies, improving the operational comfort, transmission efficiency, and reliability of the gear shifting mechanism.

The invention discloses a method for controlling a vehicle from braking to braking and a related device, relates to the technical field of vehicle control, aims to solve the problem that the vehicle is easy to pitch and pause in the process from braking to braking, and realizes comfortable braking based on coordination of hydraulic braking control and driving motor torque control. Specifically, in the running process of a vehicle, a system calculates current vehicle parameters, environment parameters and user braking parameters in real time, and in the uphill working condition, on one hand, a driving motor is controlled to output driving torque to offset ramp resistance, and on the other hand, when the torque capacity of the motor is enough, the driving torque is controlled to offset ramp resistance. The pitching and jerking feeling in the braking process can be relieved through a large hydraulic braking pressure coefficient, and the braking comfort is improved. And when the torque capacity of the motor is insufficient, a smaller hydraulic braking pressure coefficient is used for ensuring that the vehicle is braked on the ramp without sliding. Therefore, according to the scheme, on the premise that it is guaranteed that the vehicle cannot slide during uphill braking, the comfort of braking to stop is improved.

The application provides a steep slope slow descent control method, product and vehicle, and belongs to the technical field of vehicle control. The method comprises delaying exiting the HDC function of the vehicle when the current downhill slope does not satisfy the normal opening condition of the HDC function, so as to inhibit the inertial acceleration of the vehicle. The application aims to improve the user experience when driving downhill.

The invention discloses a neutral-gear-free overrunning type two-gear speed changing device of an electric vehicle and a using method. The device comprises a high-gear gear, a low-gear gear and an overrunning gear which are coaxially located on an output shaft, and a synchronous ring body axially moving between the high-gear gear and the overrunning gear. When moving, the synchronous ring body can be independently connected with the high-gear gear to perform high-gear action, is simultaneously connected with the high-gear gear and the overrunning gear to perform overrunning action, and independently extrudes the overrunning gear to enable the overrunning gear to be connected with the slow-gear gear to perform slow-gear action. The gear shifting mechanism is simple and compact in structure, fast shifting between a fast gear and a slow gear is achieved, the phenomena of delay and slow response caused by the existence of a neutral gear during shifting of the two gears are avoided, in the frequent shifting process, the overrunning action can be transited, and the gear shifting impact and pause feeling are reduced.

The invention relates to the technical field of new energy automobiles, in particular to a new energy automobile power assembly system with a variable-frequency and variable-speed motor controller, which comprises an automobile data detection module, a mapping relation establishing module and an output power adjusting module, the time in the current automobile running process is divided into a plurality of same time periods, then the road condition in the last same time period in the normal automobile running process is analyzed according to the change of the automobile running speed recorded by the automobile data detection module, and then the battery output power meeting the corresponding speed of the automobile in the current time period during running is called out. The problem that the automobile speed change amplitude is large is avoided, the driving comfort is improved through stable speed control, and by avoiding the too large automobile speed change amplitude, the jolting and pause feeling of the automobile in the driving process and the body discomfort brought to a driver and passengers due to sudden acceleration or deceleration are reduced.

The invention discloses a hybrid stepless wide variable speed driving system, which relates to the technical field of vehicles and comprises a planetary transmission mechanism, a hydraulic transmission mechanism, a motor shaft mechanism and an output shaft shifting fork gear shifting mechanism, the planetary transmission mechanism is used for receiving power from the engine; the hydraulic transmission mechanism comprises a variable hydraulic pump, a front variable hydraulic motor and a rear variable hydraulic motor; the maximum variable inclination angles of the variable hydraulic pump, the front variable hydraulic motor and the rear variable hydraulic motor are 45 degrees; the volume adjustable hydraulic pump and a front volume adjustable hydraulic motor and a rear volume adjustable hydraulic motor control oil path form a closed hydraulic system through an oil duct; the planetary transmission mechanism and the hydraulic transmission mechanism are both in transmission connection with the motor shaft mechanism, and the motor shaft mechanism is in transmission connection with the input end of the output shaft shifting fork gear shifting mechanism. The output shaft shifting fork gear shifting mechanism is provided with an L gear and an H gear. Stepless speed regulation can be achieved according to driving requirements, the hydraulic speed change range is wide, gear shifting speed increasing and decreasing in the advancing process are not needed, reliability is high, controllability is good, and operation efficiency is high.

This utility model discloses a slipper clutch for motorcycles, comprising a lower pressing body, an upper pressing body, a connecting assembly, and a lifting plate. The lower pressing body has a first pressing part, evenly distributed connecting posts, and a mating part with sliding protrusions; the upper pressing body includes a mating inclined surface, a limiting groove, and a second pressing part. The friction plate assembly has internal splines, and the outer circumferential surface of the sliding protrusion and corresponding parts of the upper pressing body have external splines, forming a spline-protrusion double-guide structure. The connecting posts are axially connected to the lifting plate through the connecting assembly. The mating inclined surface slides with the sliding protrusion to reduce clutch engagement shock; the limiting groove prevents the connecting assembly from disengaging; the first and second pressing parts are inlaid with wear-resistant alloy steel sheets to improve wear resistance. This structure, through spline optimization, connection reinforcement, and the application of wear-resistant materials, achieves improved transmission efficiency, reduces clutch jerking, and meets the requirements for torque transmission efficiency, smooth operation, and long service life. This utility model applies to the technical field of motorcycle clutches.

This invention provides a human-computer interaction guidance method, comprising: acquiring the user's gaze information and hand information, and converting them into coordinates in the same screen coordinate system; calculating the eye-hand coordination distance, hand position stability, and hand movement trajectory tortuosity based on the coordinates within a predetermined time window; identifying whether the user is in a state of confusion or hesitation regarding screen interface elements based on the judgment results of the eye-hand coordination distance, hand position stability, and hand movement trajectory tortuosity; and actively triggering and displaying interactive guidance information at the screen interface elements before the user performs an actual touch operation when the confusion or hesitation state is identified. This invention effectively reduces the learning cost and cognitive load for users in complex in-vehicle interfaces, and improves the intuitiveness and efficiency of interaction.

The utility model discloses a leg trainer which comprises a support and a supporting frame intersected with the support, a first pedal and a second pedal which move back and forth along the supporting frame are arranged on the supporting frame, and the first pedal and the second pedal alternately move on the supporting frame. An upper pulley block and a lower pulley block are arranged on the supporting frame, an upper pull rope is arranged on the supporting frame and used for connecting the first pedal and the second pedal along the upper pulley block, and a lower pull rope is arranged on the supporting frame and used for connecting the first pedal and the second pedal along the lower pulley block. The first pedal and the second pedal are connected through a middle connecting rope assembly. Under the condition that the use resistance is kept appropriate, the exercise load can be increased, people with heavy weight can use the fitness equipment for exercise, and the fitness equipment is higher in practicability.

The present application belongs to the field of automobile power and control technology, and in particular to a fuel vehicle braking jerk prevention and control system and a control method thereof. The system comprises a vehicle body posture detection module, a vehicle body posture decoupling module, a pedal stroke and acceleration detection module, a vehicle speed monitoring module, a front obstacle detection module, a control decision module, and a communication and execution module. Data interaction is achieved between the modules through a CAN bus, and the respective data is sent to the control decision module. After calculation, the control decision module sends control instructions to the communication and execution module through the CAN bus. The present application introduces a self-learning mechanism, which dynamically optimizes key parameters such as acceleration threshold, pedal stroke threshold, and vehicle speed trigger conditions based on driving history data, so that the control strategy gradually adapts to the operating habits of different drivers, achieving personalized braking smooth control effect.

This invention discloses a gearbox, comprising: a housing; a power input shaft and a power output shaft rotatably passing through the housing; a gear set; wherein the gear set is divided into several relatively independent units with different transmission ratios, each unit including an input half-shaft, an output half-shaft, a brake gear, and a brake assembly, the brake gear being coaxially and rotatably fitted onto the output half-shaft, and the brake assembly being used to brake the brake gear of the corresponding unit when the corresponding unit becomes a power output line; a pair of planetary gears, half-shaft gear one, a pair of planetary gears, and half-shaft gear two meshing sequentially. Compared with existing mainstream gearboxes, it can switch output speed gears without a clutch, is less prone to damage, and reduces the jerkiness of gear shifting operations.

The application provides a dimmable driving circuit, comprising: a front-stage converter coupled with an external power supply and outputting a first voltage; a dimming driving module coupled with the front-stage converter and an external load, receiving the first voltage, outputting a second voltage, and driving the external load to work; a first detection circuit coupled with the front-stage converter, receiving the first voltage, and outputting a first detection signal representing the first voltage; a second detection circuit coupled with the dimming driving module, receiving the second voltage, and outputting a second detection signal representing the second voltage; and a main control module receiving the first detection signal and the second detection signal, outputting an adjustment signal, and sending the adjustment signal to the front-stage converter, so that the front-stage converter adjusts the value of the first voltage, and the ratio of the second voltage to the first voltage is maintained at a preset value. The dimmable driving circuit can minimize the discontinuity in the dimming process.

The embodiment of the invention relates to the technical field of vehicle control units, and discloses a high-voltage activated state recovery method of a vehicle control unit, a vehicle, equipment and a medium, the method comprises the following steps: after determining that abnormal reset occurs and initialization is completed, extracting a key variable from a preset storage space; determining whether the vehicle meets a high-voltage activation condition according to the key variable; and if it is determined that the vehicle meets the high-voltage activation condition, the vehicle control unit is controlled to recover to the high-voltage activation state. The use state of the vehicle before the vehicle control unit is abnormally reset can be rapidly determined through the key variable, if the vehicle meets the high-voltage activation condition, the vehicle control unit can be immediately controlled to be powered on, so that the vehicle control unit is restored to the high-voltage activation state, and the vehicle is restored to the state before the abnormal reset; as the state of the vehicle is not changed before and after the abnormal reset, the pause feeling of the abnormal reset to the user can be reduced, and the effect of non-inductive recovery is achieved.

The invention discloses a hair clamping assembly and a defeatherer. The hair clamping assembly comprises a base; the movable seat is rotatably mounted on one side of the base; the clamping pieces and the mounting bases are staggered, and the driven gear and the transmission gear are arranged on the two sides of the mounting bases and are connected in series through an arch-shaped shaft; wherein a plurality of first balls and a plurality of second balls are arranged on the inner surface of the movable seat, the first balls are elastic balls, the first balls are located on the narrowing side of the arch-shaped shaft, the second balls are located on the widening side of the arch-shaped shaft, and when the outer side of the driven gear or the transmission gear is pushed and pressed to abut against the first balls, the second balls abut against the second balls. The diameter of the first ball is elastically reduced and is kept in a rollable state. According to the hair clamping assembly, through combination of the elastic balls and the common balls, dynamic buffering and supporting are achieved, local friction is reduced, the stability and durability of the hair clamping assembly are improved, and the user experience is improved.