22640results about How to "Easy to operate" patented technology

The invention relates to a method for preparing a lithium iron phosphate / carbon composite material of a lithium ion battery, which belongs to the technical field of lithium ion batteries. The method for preparing the lithium iron phosphate / carbon composite material of the lithium ion battery comprises the following steps of: 1) preparing a suspending graphene-dispersed aqueous solution system, namely, crushing graphite to 1 to 5 microns, adding the crushed graphite into distilled water or purified water, adding 0.1 to 5 percent of surfactant, heating with stirring the mixed solution to 180 to 250 DEG C in a sealing way, performing stirring for 2 to 6 hours and reducing the temperature; 2) crushing lithium iron phosphate to the particle size of 1 to 5 microns, adding the crushed lithium iron phosphate into the distilled water or the purified water, adding with stirring 0.01 to 1 percent of coupling agent, performing uniform stirring, adding the graphene-dispersed aqueous solution, and performing stirring and filtration; and 3) vacuum-drying solid powder obtained by the filtration, and calcinating the dried solid powder for 2 to 12 hours to obtain the graphene-coated lithium iron phosphate cathode material. The method has the advantages of simple process, high material performance, high conductivity, high bulk density, high compacted density and the like.

The invention discloses a hydraulic pressure test tube machine and a tube body clamping centering device, in the tube body clamping centering device, two guide rods and a telescopic oil cylinder are arranged on a base side by side; corresponding ends of the two guide rods are respectively provided with a first sliding block, corresponding other ends of the two guide rods are respectively provided with a second sliding block; a fixed end of the telescopic oil cylinder is fixed on one end of the base, the fixed end of the telescopic oil cylinder is arranged corresponding to the second sliding blocks; a telescopic end of the telescopic oil cylinder is connected with the first sliding blocks, and is used for driving the first sliding blocks to slide along the guide rods, one of two clamping blocks is fixed on the two first sliding block, and the other one of the two clamping blocks is fixed on the two second sliding blocks; the first sliding block on one of the two guide rods is provided with a first rack, the second sliding block on the other one of the two guide rods is provided with a second rack, both sides of a linkage gear are respectively meshed with the two racks, the first sliding blocks and the second sliding blocks are adjusted by the telescopic oil cylinder to move towards each other or depart from each other. The scheme can solve the problems of high control precision and slow regulation efficiency of a plurality of oil cylinders of the tube body clamping centering device.

The invention discloses a method for in vitro slow release performance evaluation of a slow and controlled release preparation based on the overflow principle. A container with an upper outlet and a lower outlet is adopted to serve as a release tank, a to-be-detected medicine and a dissolution medium are placed in the release tank, a stirring device is adopted in the release tank to perform stirring, and the dissolution medium is added from the lower outlet of the release tank through a peristaltic pump; the dissolution medium dissolved with the medicine is taken away through the overflow from the upper outlet so as to offset medicine absorption or metabolism, and the slow and controlled release speed of the medicine, the total medicine overflow quantity and the total release amount are calculated by measuring the concentration of the medicine contained in the dissolution medium flowing out, the volume of the release tank and the overflow quantity. According to the method, the releasing degree of the slow and controlled release medicine can be evaluated accurately, the effective medicine release time of the slow and controlled release preparation is evaluated, and slow release performances of the slow and controlled release preparation are evaluated comprehensively.

The invention discloses a method of preparing aluminum oxide-silicon carbide compound porous ceramic by aluminum-silicon industrial waste residues. The primary raw materials comprise industrial waste residues, carbon powder, a pore forming substance and an adhesive. The aluminum oxide-silicon carbide compound porous ceramic is prepared by the following steps of mixing, drying, forming and sintering to obtain a final product. Treatment and high additional value utilization of the industrial waste residues are achieved. The prepared porous ceramic is remarkable in performance, and can be applied to the fields of filtration, sound isolation, heat isolation, fire fighting and the like. The method is simple in process flow and convenient for industrialized promotion; and the cost is good to control and the method has extreme economical value.

The invention discloses a device for measuring flowability of explosive modeling powder, which comprises a step-press-loading analogue unit, a timing and weighing unit and a computer control unit, wherein the step-press-loading analogue unit directly and indirectly drives a screw rod which extends into a blanking bin to rotate and perform reciprocating movements along an axial line and drives a pusher dog in the blanking bin to perform the reciprocating movements along an arc section through the combined action of a cylinder and a pneumatic reversal valve so as to ensure that the explosive modeling powder in the blanking bin falls into the timing and weighing unit, and the process more truly imitates an explosive conveying process of an explosive step-press process. The timing and weighing unit transmits a weighing value of the explosive modeling powder which falls in the timing and weighing unit to the computer control unit in real time, and the computer control unit calculates the instantaneous flow speed of the explosive modeling powder of a north side and generates a flow speed-time curve according to sampling data. The device can measure the flowability of the explosive modeling powder so as to provide an objective basis for choosing a proper explosive step-press process for the explosive modeling powder.

The invention discloses a pallet protection corner automatic putting machine. The pallet protection corner automatic putting machine comprises a top protection corner putting combination machine and aside face protection corner putting combination machine; the top protection corner putting combination machine comprises a bottom circulation base and a pair of top protection corner single machines,the side face protection corner putting combination machine comprises a bottom fixed base and four side face protection corner single machines, the top face protection corner single machines are provided with electrical control parts, top protection corner containing grooves, limiting mechanisms, and top protection corner mounting claws, the top protection corner mounting claws grab protection corners in the top protection corner containing grooves, and put the protection corners on four edges of the top of a packaging box, each side face protection corner single machine comprises a second electrical control part, a side protection corner containing groove, and a side protection corner mounting claw, and the side protection corner mounting claws grab the protection corners in the side protection corner mounting grooves and put the protection corners on the four sides of the side face of the packaging box. The pallet protection corner automatic putting machine is reasonable in layout,smooth in operation, high in adaptation, automatic in full process, free of artificial duty and capable of greatly improving protection corner putting and threading packaging capacity.

The invention discloses a steel pipe polishing equipment, which comprises a steel pipe polishing equipment body. A main valve of a polishing motor is arranged in the main body of the steel pipe polishing equipment; a polishing handle is arranged on the main valve of the polishing motor; The valve is provided with a rotating roller; the front end of the rotating roller is provided with polishing bristles; one side of the rotating roller is provided with an outer throwing roller; a clamping spring is arranged between the outer throwing roller and the rotating roller; The outer throwing roller is provided with an outer throwing brush; a symmetrical magnet is arranged between the outer throwing brush and the polishing bristles; a polishing wheel is arranged on the outer throwing brush and the polishing bristles; the polishing The grinding wheels are arranged in a figure-eight shape. Its structure is simple, easy to use, and easy to operate. It can realize the polishing of the outer surface and the inner wall. The polishing is fast and uniform, with high efficiency and convenient use.

The invention provides an automobile balance block die-casting mould, which comprises a push cylinder, an upper mould base, an upper mould, a lower mould and a lower mould base, wherein the upper mould is arranged on the lower end of the upper mould base; the lower mould is arranged on the upper end of the lower mould base; the upper mould base is connected to the upper end of the lower mould base through a guide pillar; cooling holes are formed in the upper end face and the lower end face of the upper mould base in a penetrating way; a guide sleeve is connected onto each cooling hole. According to the automobile balance block die-casting mould, each cooling channel is communicated with a blind hole, each blind hole is communicated with a cooling hole, and each guide sleeve is arranged on the corresponding cooling hole, so that the mould can be cooled conveniently and quickly through injecting cooling water in the guide sleeves; the cooling channels are arranged at equal distances and in parallel, so that cooling is uniform, the cooling effect can be further improved, and the product quality is improved; the automobile balance block die-casting mould is simple in structure, convenient to operate, and good in cooling effect.

The invention discloses a device judging whether or not an earth pressure balance shield earth chamber is full. The device comprises a pressure detector disposed on the upper portion of a front shield earth chamber of the earth pressure balance shield; the signal output end of a pressure sensor is connected with an upper computer; the upper computer judges whether or not the chamber is full; if not, a warning signal is sent to an alarm unit. The device has the advantages that whether or not the earth chamber is full can be judged anytime during earth pressure balance shield tunneling, full-chamber shield tunneling can be ensured and the application of full-chamber tunneling decreases the danger of collapse ahead.

A natural gas filling device reliable in sealing is disclosed. The device is characterized in that the device comprises a liquid filling gun, a liquid receiving component matched with the liquid filling gun and used for filling a gas cylinder with liquid, and a gas returning component communicated with the gas outlet of the gas cylinder; the liquid filling gun is provided with a first outer shell, a first rotating fastener disposed in the first outer shell and connected to the first outer shell and the inner wall of which is provided with a symmetrical spiral groove, a first valve body between the first rotating fastener and the first shell, and a first valve core disposed in the first valve body and containing a liquid inlet and a liquid outlet; and the liquid receiving component is provided with a first shell, wherein the head of the first shell extends into the first rotating fastener and is in sealing match with the tail part of the first valve body, and the periphery of the first shell is provided with a first pivot pin engaged with the spiral groove in the first rotating fastener. The device is convenient in maintenance, replacement and operation of quick-wear parts and convenient to use. The device can be used for other low-temperature liquid media besides LNG and is simple in structure, low in cost, convenient in operation and reliable in sealing.

The invention discloses a multi-modal large model automatic evaluation method and system based on Agentic Workflow, relates to the technical field of artificial intelligence model evaluation, and solves the technical problems that an existing large model evaluation method lacks image-text evaluation, is relatively high in subjectivity and is easy to cause illusion. The method comprises the following steps that S1, an input task is analyzed, and a structured task template is generated; s2, generating a multi-round multi-modal task flow chart based on the task template generated in the step S1; s3, based on the flow chart in the step S2, distributing the multi-modal large model component to each task node, executing a task and obtaining an intermediate result; s4, performing multi-dimensional scoring on the intermediate and final results in the step S3 by a plurality of scoring Agents, and fusing to generate an evaluation result; and S5, generating a feedback report based on the process data in the steps S1 to S4, identifying a model short plate, and providing an optimization suggestion. The method has the advantages of comprehensive evaluation of multiple modes, real-time feedback optimization and the like.

The invention relates to a gas nano purifier. The gas nano purifier comprises a mounting seat, the gas storage bin is installed on the installation base and used for storing clean gas, the side wall of the upper portion of the gas storage bin extends upwards to form an installation plate, and a gas path through hole is formed in the middle of the installation plate; the gas-water separator is mounted on the mounting plate and is used for carrying out primary purification on to-be-cleaned gas; the adsorption tower is mounted on the mounting plate and is used for carrying out secondary purification on the to-be-cleaned gas; gas to be cleaned sequentially flows through the gas-water separator and the adsorption tower and then enters the gas storage bin; the adsorption tower is communicated with the gas storage bin through an exhaust pipe; and the exhaust pipe penetrates through the gas path through hole. Through the arrangement, the installation operation is greatly simplified, and the integrity and the space utilization rate of equipment are improved.

The invention discloses a curved surface porous structure modeling simulation method and system for finite element analysis, and belongs to the technical field of mechanical engineering simulation, and the method mainly comprises the steps: carrying out the initial grid division of a target curved surface part, and obtaining a grid node set covering a curved surface; according to a preset hole center coordinate, three closest grid nodes are automatically searched in the grid node set, a local reference plane is established, and the hole axis direction is determined; generating an offset sketch plane in the normal direction of the reference plane, projecting the hole center to the sketch plane, drawing a circular sketch, and executing a stretching and cutting command to form a hole; and circularly executing the operation to realize automatic generation of multiple holes on the curved surface. And finally, the porous structure is subjected to grid division again, so that subsequent operation is facilitated. According to the method, the modeling process is combined with parameterization analysis and an automatic process, the efficiency and stability of porous modeling of the complex curved surface structure are remarkably improved, and a basis is provided for finite element pretreatment of the complex curved surface structure.

The utility model provides an air pipe type air conditioner, and relates to the technical field of household appliances. The air duct type air conditioner comprises a shell; the first bottom plate and the shell define a containing cavity and a maintenance opening in an enclosed mode, the first bottom plate comprises a first flat plate and a first connecting part located on the side, close to the maintenance opening, of the first flat plate, and the first connecting part is connected with the first flat plate in a bent mode to define a first movable groove with an opening deviating from the maintenance opening; the second bottom plate is located at the maintenance opening and comprises a second flat plate and a second connecting part located on the side, close to the first bottom plate, of the second flat plate, and the second connecting part is connected with the first flat plate in a bent mode to define a second movable groove with an opening facing the maintenance opening; the first connecting part and the second connecting part are connected in the containing cavity in a matched mode, so that the second bottom plate rotates around the connecting position of the first connecting part and the second connecting part to open or close the maintenance opening. The air duct type air conditioner is easy and convenient to clean and maintain, the cleaning and maintaining efficiency can be improved, and the safety risk can be reduced.

The invention provides a data retrieval system and method based on a large language model and a readable storage medium. The system comprises a data analysis module, a multi-mode integration module, a semantic retrieval module and a post-processing module which are arranged in sequence. The data analysis module analyzes the original engineering data to generate structured data; the multi-modal integration module maps the structured data to the same semantic vector space to construct a vector database, and establishes a cross-modal association index to construct a multi-modal engineering knowledge graph; the semantic retrieval module is based on a large language model and a retrieval enhancement technology, responds to a natural language query of a user, retrieves related information from a vector database and a multi-modal engineering knowledge graph and generates answers; the post-processing module performs abstract generation on the natural language answers based on a large language model and generates associated recommendation content. According to the method, the query accuracy, the retrieval efficiency and the user query interaction experience can be remarkably improved; and the scheme reuse rate can be improved based on the recommended content.

This invention discloses a double-layer fully automatic opening and closing roller beam device for subway rail transportation, including an upper roller beam, a lower roller beam, a drive column, and side columns corresponding to the drive column. The horizontally transverse upper roller beam is rotatably mounted on the drive column at one end and rests on the side column at the other end. It also includes an automatic control mechanism and a roller beam rotation support mechanism on the same longitudinal line as the drive column. The automatic control mechanism includes a control host and several position sensors installed on the side columns and the roller beam rotation support mechanism to transmit the position information of the upper roller beam. The position sensors feed back signals to the control host to automatically control the opening and closing of the upper roller beam. It is installed on an adjustable height support beam, which includes a support beam, crossbeam support feet, and a crossbeam height adjustment mechanism. It has the advantages of fully automatic opening and closing of the roller beam, simple operation, time and labor saving, high personal safety factor, and high overall structural stability.

The invention discloses an interpretable fracturing parameter optimization method and device based on data driving, and the method comprises the steps: carrying out the clustering processing of effective geological parameters of a target well along the well depth through a target geological dessert clustering model, and outputting the dessert probability distribution data of the target well; based on the dessert probability distribution data, performing geological grouping on historical fracturing sections of the historical wells, performing clustering processing on effective fracturing parameters of the historical fracturing sections by using a target fracturing parameter clustering model in each geological group, and outputting an engineering dessert template of each geological group; dividing fracturing sections for the target well by using the dessert probability distribution data, and matching initial fracturing parameters from historical fracturing sections based on a high-quality dessert proportion in each fracturing section; and querying the engineering dessert template of the geological group to which the historical fracturing section belongs, and optimizing the initial fracturing parameter to obtain a target fracturing parameter of the target well. The invention can provide a scientific, transparent and practical fracturing parameter optimization solution.

The invention belongs to the technical field of visual training, and particularly relates to a multi-dimensional visual training feedback method for improving binocular fusion visual and stereoscopic visual functions, and the method comprises the following steps: carrying out medical baseline detection, generating an initial ability portrait through visual function evaluation and cognitive ability testing, matching training difficulty parameters, and generating a personalized scheme; multi-modal game training is carried out, training types comprise gamification training, animation scene training and offline family task training, and the training difficulty is dynamically adjusted; a tutor performs remote one-to-one guidance, and dynamically adjusts a training scheme according to a change report by tracking the training progress in real time; and the system performs multi-dimensional effect evaluation and self-optimizes a difficulty prediction algorithm. According to the method, the problems of dull training and passive participation, scheme stiffness and execution deviation, single stimulation and cognitive load, scene limitation and continuous interruption are solved.

The invention discloses a tight-lock coupler intelligent tensile testing machine and a testing method thereof, and belongs to the technical field of tight-lock coupler test.The tight-lock coupler intelligent tensile testing machine comprises a mounting bottom plate and an electric control cabinet, and a support for supporting a tight-lock coupler to be detected is mounted on the surface of the mounting bottom plate; a tensile connecting frame for connecting the tight-lock coupler is mounted on the surface of the bottom plate on one side of the support, an integrated design of'tensile force detection and visual detection 'is innovatively adopted, mechanical parameter acquisition and visual deformation observation are combined, traditional mechanical data such as tensile force and displacement are obtained, and visual characteristics such as fine deformation and crack initiation are captured; precise synchronization of pulling force application, displacement collection and camera shooting is achieved through the synchronous controller, the real-time corresponding relation of pulling force-displacement-visual deformation is established, the problems that an existing device is single in detection dimension and poor in data relevance are solved, and the potential quality hazard checking capacity and the persuasion of a detection result are improved.

The invention relates to the technical field of robots, and discloses a collision early warning method and device in robot teleoperation, and the method comprises the steps: obtaining the visual information of the working environment of a remote robot and the motion state data of an end effector; environment three-dimensional modeling is carried out based on visual information, a three-dimensional environment model containing obstacles is generated, and a virtual protection area surrounding an end effector is dynamically generated based on end speed parameters in motion state data and system communication processing time delay; wherein the spatial range of the virtual protection area is expanded along with the increase of the terminal speed and the system communication processing time delay; performing collision risk assessment on the virtual protection area and an obstacle in the three-dimensional environment model to obtain a current collision risk level; and generating early warning information based on the collision risk level, and outputting a vision enhancement image through an operator terminal to guide an operator to avoid the collision risk based on the early warning information. According to the invention, the teleoperation safety can be improved.

The invention relates to the technical field of medical apparatuses and instruments, and provides a limb traction device which comprises a traction seat used for fixing a limb of a patient and provided with a mounting via hole and a rotating hole, and the rotating hole and the mounting via hole are arranged at an interval and communicate through a mounting window; the basic shaft is arranged in the mounting through hole in a penetrating manner and is provided with a rack extending in the axial direction of the basic shaft; the driving mechanism comprises a rotating shaft rotationally connected into the rotating hole, a driving gear fixed to the rotating shaft and a clutch locking mechanism arranged on the rotating shaft; the driving gear is positioned in the rotating hole and is meshed with the rack through the mounting window; the clutch locking mechanism is matched with the traction seat, has a locking state and an unlocking state, and is provided with a driving end for receiving driving force; in the locking state, the clutch locking mechanism is in limiting fit with the traction seat to limit rotation of the rotating shaft; when the driving end receives driving force, the clutch locking mechanism and the traction seat are separated from limiting fit to be switched to an unlocking state, so that the rotating shaft drives the driving gear to rotate, and the traction seat is driven to slide along the basic shaft.

The invention belongs to the technical field of batteries, and particularly relates to a negative plate and a preparation method and application thereof. The negative electrode plate comprises a negative electrode current collector and a negative electrode material layer arranged on at least one side surface of the negative electrode current collector, the negative electrode material layer comprises a negative electrode active substance, a negative electrode conductive agent and a composite binder, and the composite binder comprises carboxymethyl cellulose lithium and siloxane. The negative electrode plate has relatively high stripping force or crack resistance, and the first coulombic efficiency or cycle stability of the battery can be effectively improved when the negative electrode plate is applied to the battery.

The invention discloses a photovoltaic power prediction method based on improved empirical mode decomposition and an optimized long short-term memory network, and the method comprises the steps: firstly carrying out the preprocessing of abnormal value elimination, missing value filling, normalization and the like of photovoltaic power and related meteorological data, and improving the data quality; then, an improved empirical mode decomposition (EE-ANEMD) algorithm is adopted to decompose the preprocessed power sequence into a multi-scale intrinsic mode function component and a residual term, and high-frequency noise, intermediate-frequency fluctuation and a low-frequency trend are effectively separated; global optimization is carried out on the hidden layer unit number, the initial learning rate and the maximum number of training times of the LSTM network through an improved sparrow search algorithm (ISSA), finally, the optimized LSTM is utilized to carry out training prediction on each component, and results are fused and subjected to reverse normalization to obtain a final value. Experiments show that the test set RMSE of the method is reduced compared with that of a single LSTM, the mid-term prediction precision is remarkably improved, and reliable technical support is provided for power system dispatching, new energy consumption planning and photovoltaic power station operation and maintenance.

The application discloses a kind of nano magnetic flocculants and its preparation method and application, belong to drinking water processing technical field, including the following steps: step S1, modified ferroferric oxide nanosphere is ultrasonically dispersed in ammonia alcohol solution, while stirring, slowly drop adding tetraethyl orthosilicate, continue stirring after drop, after centrifugal separation, wash, obtain silica coated ferroferric oxide nanoparticles;Step S2, phenylalanine modified chitosan is added into glacial acetic acid solution, after completely swelling and dissolving, add silica coated ferroferric oxide nanoparticles and ultrasonic treatment, under low pressure ultraviolet lamp, then with anhydrous ethanol wash purification, vacuum drying to constant weight, obtain nano magnetic flocculants;The method of the application is simple and easy to operate, the nano magnetic flocculants prepared can be quickly adsorbed to the surface of sulfonamide antibiotics, produce flocculation and can be magnetically separated, very suitable for trace sulfonamide antibiotics in drinking water source efficient removal.

The invention discloses a testing device, which comprises a platform, a supporting seat, a pressure applying rotating shaft and a driving part, and is characterized in that the platform is provided with a fixing part, and the fixing part is used for fixing an axial air foil bearing; the supporting seat is located above the platform and installed on the platform, a shaft hole is formed in the supporting seat, and the shaft hole is located over the fixing part and penetrates through the supporting seat in the vertical direction; the pressing rotating shaft is movably arranged in the shaft hole in a penetrating mode in the vertical direction, and the bottom of the pressing rotating shaft is used for being attached to the axial air foil bearing in a normal state; the driving part is in driving connection with the pressure-applying rotating shaft to drive the pressure-applying rotating shaft to rotate. According to the testing device, the axial air foil bearing can be rapidly tested, and the production requirement of large-scale mass production is met.

The utility model discloses a brake structure for a baby stroller, which adopts the technical scheme that when a brake treading part rotates under the action of external force and drives a brake mechanism to brake or unlock a wheel group, the brake treading part can automatically reset and lift, and particularly, the brake structure can be applied to the baby stroller. The brake treading part integrates the locking function and the unlocking function, when the brake treading part performs treading action at the initial position to achieve brake braking, the brake treading part can return to the original position, the brake treading part is treaded again to unlock brake braking, and the brake treading part returns to the initial position again. On the basis that the vamp contact requirement is eliminated, the technical effect of brake single-point control is achieved, daily use is facilitated, in conclusion, operation areas do not need to be distinguished through single-point interaction in the braking or unlocking process, brake interaction is concise, and the beneficial technical effects of being convenient to operate are achieved.

The quantitative pill taking bottle cap comprises a pill quantifying layer, a pill storage layer and a bottle cap layer, a connecting structure used for being connected with a bottle opening is arranged on the inner wall of the bottle cap layer, the pill storage layer and the bottle cap layer can be connected in a relatively rotating mode, the pill quantifying layer and the pill storage layer are movably connected, and the pill quantifying layer and the pill storage layer are arranged on the bottle cap layer. A pill storage cavity is formed between the pill quantifying layer and the pill storage layer, the quantitative pill taking bottle cap is inverted, the pill storage layer is twisted, pills fall into the opened pill storage cavity, and the pills with the pill taking number limited artificially are taken out through the pill quantifying layer. After medicine taking is completed, the pill storage layer is reversely twisted to close the medicine storage cavity; in the pill taking process, the pill taking number can be controlled at will by changing the position of a number adjusting and controlling plate in the pill storage layer, and it can be guaranteed that pills are taken successfully and accurately at a time through the structural design of a limiting hole base and a pill dislocation preventing table in the pill quantifying layer.

The utility model discloses a magnetic style shower head support and shower head subassembly, shower head support includes base and with base spherical hinge joint's movable seat, the base is equipped with the positioning structure that is used for the positioning installation shower head support, the movable seat is equipped with the magnetic structure. The magnetic attraction structure comprises a first magnetic attraction piece formed on the movable base and an annular body located on the periphery of the first magnetic attraction piece and arranged in a protruding mode, and a clamping ring is formed at the end of the annular body. An annular groove matched with the annular body during magnetic attraction and a second magnetic attraction piece located in the center of the annular groove and correspondingly matched with the first magnetic attraction piece are formed on the back face of the shower head. And a locking seat capable of moving and displacing in the radial direction is assembled on the annular groove. Compared with the prior art, the magnetic type shower head support and the shower head assembly are optimized in the aspects of using and adjusting performance, user experience is greatly improved, and a user can feel usability and senility of products at the same time.

The stroller frame assembly comprises a main stroller frame, the main stroller frame comprises a hand push rod set and two rear foot rods, the hand push rod set comprises two supporting rods, the supporting rod on each side comprises a first rod section and a second rod section, the first end of the first rod section is rotatably connected with the rear foot rod on the same side, and the second end of the first rod section is rotatably connected with the rear foot rod on the same side; the first end of the second rod section is rotatably connected with the second end of the first rod section, and the first rod section on each side is movably provided with a sliding piece; the left and right ends of the handrail assembly are connected to the sliding pieces on the two sides respectively; the rear end of the seat assembly is connected to the bottoms of the supporting rods on the two sides. The backrest assembly comprises a first backrest part and a second backrest part, the first end of the first backrest part is connected to the rear end of the seat assembly, and the first end of the second backrest part is rotatably connected to the second end of the first backrest part; in the folding state, the second backrest part is folded towards the front side relative to the first backrest part, the first rod section is close to the rear foot rod, and the second rod section is folded towards the side close to the armrest assembly relative to the first rod section.

The embodiment of the invention discloses a configuration interaction method and device, equipment, a medium and a product, and the method comprises the steps: displaying a configuration interface for a target system, and the configuration interface comprises an instruction interaction region; in response to an interaction instruction received through the instruction interaction area, a dynamic configuration panel is displayed in the configuration interface, and the dynamic configuration panel comprises interaction configuration elements matched with the interaction instruction; and in response to a trigger operation for the interaction configuration element, displaying a visual display interface, and updating and displaying a rendering result of the target system in real time in the visual display interface so as to present a visual effect consistent with the interaction configuration element after the trigger operation. According to the technical scheme of the embodiment of the invention, efficient interaction of instruction-on-demand configuration element display-real-time feedback is constructed, and the accuracy and efficiency of configuration interaction are improved.