8419results about How to "Improve convenience" patented technology

The invention discloses a photovoltaic-energy storage-charging multi-stage scheduling and market bidding optimization method and a photovoltaic-energy storage-charging multi-stage scheduling and market bidding optimization device. The method comprises the following steps: constructing a data-driven random environment model reflecting photovoltaic output, electricity price fluctuation and charging load uncertainty by adopting a mode of combining time sequence clustering and a non-homogeneous Markov chain based on historical operation data; modeling a scheduling and bidding problem of the optical storage and charging integrated station into a multi-stage Markov decision process model which comprises day-ahead decision and joint optimization of multiple intra-day rolling adjustment; a deep reinforcement learning algorithm is utilized to train the network, and a strategy regulation and control network which can adapt to various uncertain scenes and meet equipment physical constraints is obtained; and deploying the trained strategy regulation and control network in an energy management system to realize global coordinated scheduling and bidding of the optical storage and charging integrated station. According to the method, the economic benefit is remarkably improved, the robustness is greatly enhanced, the decision is globally coordinated and optimized, the real-time decision capability is strong, and the expandability and portability are good.

The invention provides a vibration measurement device for motor equipment, and relates to the field of vibration measurement, and the device comprises a main body support frame, and the left and right sides of the top of the main body support frame are provided with self-locking worm gears A; a mounting angle adjusting shaft is rotationally mounted on the inner side of the main body supporting frame; self-locking worms A are arranged on the left side and the right side of the mounting angle adjusting shaft; the self-locking worm A is matched and connected with the self-locking worm gear A; guide pieces are arranged on the left side and the right side of the main body supporting frame. A mounting angle adjusting part is arranged in the middle of the mounting angle adjusting shaft; the vibration testing device can test vibration of motor equipment at different installation angles and output angles, the universality and accuracy of the vibration testing result of the device are improved, and the problem that the vibration amplitude of the motor equipment is affected to a certain extent due to installation modes at different angles is solved. And a vibration measurement result obtained by only testing plane installation does not have universality.

The invention discloses a multipath channel parameter reconstruction and beam coverage prediction method, and relates to the technical field of wireless communication. Aiming at the problems of low data utilization efficiency, limited environment modeling precision, strong coupling of measured data and antenna beam configuration and the like in the prior art, the method comprises the steps of configuring antenna beams and orientation parameters, collecting reference signal receiving strength, performing deterministic channel modeling simulation, establishing a mapping model, performing sparse recovery, constructing a channel propagation model, evaluating a channel map and the like. In combination with a coherence perception weighting network (CARE-Net) algorithm and ray tracing (RT) physical prior guidance, accurate reconstruction from a low-dimensional reference signal receiving strength (RSRP) measurement value to a high-dimensional multipath parameter is realized. The method has the advantages that the reconstructed multi-path parameters are decoupled from the antenna configuration, the method has the cross-beam / cross-configuration generalization prediction capability, the channel coverage performance under different antenna configurations can be accurately predicted, a reliable basis is provided for wireless network optimization, and the method is low in cost, high in precision and strong in generalization.

The utility model discloses a bed body frame of a seedling raising bed, which is used for placing hole trays for seedling raising and comprises a plurality of cross beam section bars, a plurality of supporting pipe columns and connecting rods, the cross beam section bars are arranged in parallel, the supporting pipe columns are also arranged below the cross beam section bars vertically, and the connecting rods are connected with the cross beam section bars. The adjacent supporting pipe columns are connected through the connecting rods. Each cross beam sectional material comprises a cross plate and a separation part, the separation part is vertically arranged on the upper surface of the cross plate, a sliding groove is formed by the separation part and the upper surface of the cross plate, and the hole tray is placed on the sliding groove of the adjacent cross beam sectional material and can slide in a reciprocating mode along the sliding groove. The hole tray is simple in structure, high in strength, high in precision, good in stability and capable of enabling the hole tray to slide smoothly in the sliding groove.

The invention discloses a method for implementing intelligent management and control of a special vehicle operation process based on a virtual space. Only a laser radar and an optical camera which are deployed in a special vehicle operation site and have overlapped detection view fields are used as external sensing equipment to synchronously collect operation environment data; based on the working environment data, constructing a three-dimensional virtual space containing the semantic information of the electrified equipment, and setting a virtual electronic fence to form a security defense area; based on laser radar real-time point cloud data, point cloud clusters of different rigid parts of the special vehicle are identified through segmentation and clustering, and a theoretical three-dimensional contour is generated; extracting a two-dimensional edge of the vehicle part through semantic segmentation based on the optical camera image data, and generating a three-dimensional semantic contour; fusing the theoretical three-dimensional contour with the three-dimensional semantic contour to obtain a high-precision dynamic three-dimensional contour of the moving part of the special vehicle; and calculating the shortest distance between the high-precision dynamic three-dimensional contour and the boundary of the virtual electronic fence, and taking the shortest distance as a reference for executing graded early warning or operating intervention on a special vehicle.

The invention discloses a digital twinning long-span bridge earthquake wind vibration and vibration reduction and isolation system and method, the system takes a high-fidelity digital model for constructing a long-span bridge as a basis, comprises full life cycle monitoring and management of the bridge under earthquake, wind vibration and vibration reduction and isolation conditions, and is based on a sky-air-ground-water integrated ubiquitous sensing module. In combination with artificial intelligence algorithms such as deep learning and a pulse neural network, real-time state evaluation of a bridge structure, material nonlinear analysis, geometric nonlinear analysis, multi-point excitation and pile-soil-structure interaction simulation, wind-induced fatigue damage prediction, earthquake vulnerability evaluation and closed-loop control scientific decision based on an artificial intelligence body are realized. According to the invention, system support and method guidance can be provided for large-span bridge anti-seismic and anti-wind design, intelligent monitoring, operation and maintenance management and vibration reduction and isolation system optimization.

This invention discloses a medical ablation catheter, an ablation system, and a method of use. The medical ablation catheter includes a first catheter located at its distal end; a second catheter including an inner catheter and an outer catheter, the outer catheter being sleeved outside the inner catheter and slidably relative to it; a conductive part connecting the first catheter and the inner catheter, its distal end fixed inside the first catheter and its proximal end fixed to the inner catheter; and an adjustment part, its distal end fixed inside the first catheter and its proximal end movably inserted inside the inner catheter. The conductive part can switch between a linear state and an expanded state, and ablation is performed when the conductive part is in the expanded state. This medical ablation catheter enables various ablation methods, allowing for different working modes to be changed as needed to improve applicability, and the use of expandable electrodes to conform to the area to be ablated improves conformability.

The interlocking ball valve comprises a valve body, a ball body used for opening and closing the valve is arranged in the valve body, a handle corresponding to the ball body is arranged on the valve body, the handle is used for driving the ball body to rotate to open and close the valve body, a buckle is arranged on the valve body, a clamping groove corresponding to the buckle in shape is further formed in the valve body, and the clamping groove is used for clamping the valve body. The valve body is provided with a buckle, the buckle can stretch into a buckle of another valve body to conduct rotary clamping, the valve body is further provided with a positioning column, the valve body is provided with a positioning groove corresponding to the positioning column, a positioning spring is arranged between the positioning column and the valve body, and the positioning spring pulls the positioning column to move towards the interior of the valve body. And the positioning column can be embedded into the positioning groove of another valve body. According to the interlocking ball valve, two interlocking ball valves can be connected for use, the ball valves can be quickly disassembled and assembled during use, the working condition that the ball valves need to be disassembled is adapted, and clamping connection between the valve bodies is ensured through cooperation of the buckles and the clamping connection grooves.

The invention discloses an air pipe air leakage detection device which comprises a metal plate base, supporting legs are welded and fixed to the metal plate base, and telescopic shafts are slidably connected to the supporting legs. The test panel is rotationally connected to the telescopic shaft, an assembly plate is detachably connected to the test panel, a plurality of mounting discs are arranged on the surface of the assembly plate, and test pipes are mounted on the mounting discs; the air valve assembly is located on each installation disc. A plurality of test tubes can be simultaneously measured by the plurality of mounting discs in batches, so that the working efficiency of the test is improved. The connecting pipelines of the air valve assemblies are mutually connected in series, so that the interiors of the test pipes are communicated, when the interiors of the test pipes are inflated, air can be conveyed into the test pipes through series connection of the air valve assemblies, and therefore sealing performance testing is carried out in batches. And the height position of the detachably connected assembly plate can be adjusted on the test panel, so that the installation height of the test tube is adjusted, and the practical function is further improved.

The utility model discloses a side sliding door structure of a European style box-type substation, which belongs to the field of European style box-type substations, and comprises a European style box body and a box door, the top end of the European style box body is fixedly connected with a box top, the bottom end of the box top is fixedly connected with a sliding chute, the sliding chute is arranged in a U shape, and the sliding chute is positioned on the outer side of the top end of the European style box body. The number of the box doors is two, the top ends of the sides, close to each other, of the box doors are movably connected with sliding wheels, the sliding wheels are slidably connected into the sliding grooves, the center of the rear end of the European-style box body is movably connected with a deformable folding mechanism, rectangular grooves are formed in the two sides of the European-style box body, and the interiors of the rectangular grooves are fixedly connected with bouncing reset mechanisms. According to the scheme, sliding opening of the box door towards the two sides is facilitated, the situation that power transformation equipment is prevented from moving into the European box body after the transmission hinge double door is opened towards the two sides is avoided, the forward extension space of the box door is reduced, and the convenience of later maintenance and detection of the European box-type substation is improved.

The invention relates to the technical field of waste plastic treatment, in particular to a waste plastic grading carbonization device and a waste plastic treatment method. The waste plastic grading carbonization device comprises a feeding hopper, a crushing device, a grinding device, a screening device, a catalyst self-adaptive proportioning device, a first spiral discharging machine, a first-stage carbonization chamber, a second-stage carbonization chamber, an activation chamber, a second spiral discharging machine, a solid product collecting device, a liquefaction device, a liquefied product collecting device, a cooling water circulating device and a third spiral discharging machine, a material returning bin and a tail gas treatment device. According to the invention, through the collaborative innovation of'grading carbonization 'and'catalyst self-adaptive proportioning device', the problems of incomplete and non-uniform carbonization of the waste plastics, inadequate utilization of gas products and the like in the pyrolysis process of the waste plastics are solved, and an industrial feasible path is provided for chemical recovery of the waste plastics; the device is reasonable in overall structural design and high in treatment energy efficiency, and continuous, sufficient and efficient pyrolysis and high-value conversion of the waste plastics are achieved.

The elevator control system can not only detect wheelchair users, but also more accurately detect wheelchair-equivalent users, including wheelchair users, thus improving convenience. The elevator control system has an operation control unit (21), an acceleration sensor (22), and an information processing unit (23). The operation control unit (21) has a main control device (5) and a door controller (13). The acceleration sensor (22) is installed in the car compartment (11). The acceleration sensor (22) detects the acceleration of the car compartment (11) relative to the car frame (10) and sends an acceleration detection signal. The information processing unit (23) receives the acceleration detection signal from the acceleration sensor (22) and processes it. Thus, the information processing unit (23) determines whether there is a wheelchair-equivalent user among at least one user moving between the landing and the car compartment (11).

The invention provides a suspension bridge cable clamp digital twin system based on wireless intelligent washers, and belongs to the crossing field of bridge engineering and intelligent monitoring technologies. According to the system, a wireless intelligent gasket is used as a core sensing unit, finite element analysis, a neural network agent model and a three-dimensional visualization technology are combined, and real-time mapping of a cable clamp physical entity and a virtual model is constructed; the system obtains data such as wireless intelligent gasket pressure, cable clamp-main cable friction force, cable clamp displacement and cable clamp structure node stress and strain through finite element analysis under different working conditions, and a parameter mapping proxy model is formed by training a mapping relation between the gasket pressure and other parameters through a neural network. And relevant models and data are developed and integrated by means of an Unreal Engine engine, and visualized real-time rendering is carried out, so that bolt fastening control in a construction stage and / or structural health monitoring in an operation and maintenance stage are / is realized. According to the system, digital management and control of the full life cycle of the cable clamp can be realized, and the monitoring precision and the engineering economy are remarkably improved.

The invention provides a business workflow dynamic arrangement and optimization method based on a large model agent, and the method comprises the steps: (1) analyzing the features and operation logic of a multi-element business workflow, and defining a business workflow description language; and (2) decomposing a complex business process construction process, and providing a layered process modeling system to guide a large model agent to construct a workflow model. And (3) constructing a task execution queue based on the task dependency relationship, and dynamically executing and monitoring the workflow. And (4) according to the execution log of the business workflow, discovering the bottleneck, redundancy and abnormity of the workflow model by adopting a process mining algorithm, and proposing a process improvement and optimization strategy. And (5) constructing a collaboration framework of a plurality of large model agents, and realizing dynamic arrangement, monitoring and optimization of the business workflow. According to the method, the defects that the current business workflow construction depends on experience of designers, and effectiveness and function requirements are difficult to guarantee are overcome; the defect that the business workflow is difficult to adapt to dynamic demand changes is overcome.

The utility model relates to a garbage compression station which comprises a lifting mechanism arranged in a pit. The garbage can is arranged on the lifting mechanism, a feeding port is formed in the garbage can, and the lifting mechanism is used for driving the garbage can to ascend and descend up and down; the feeding opening is formed in the upper portion of the feeding opening, and the discharging opening is used for being in butt joint with the feeding opening; the feeding device comprises a feeding opening, a swing mechanism arranged on the side close to the feeding opening, and a feeding mechanism arranged on the swing mechanism and connected with the swing mechanism, and the swing mechanism is used for swinging the feeding mechanism so as to swing the feeding mechanism to be close to or away from the feeding opening. The feeding mechanism is used for turning over the garbage can so that garbage in the garbage can can be poured into the discharging opening. According to the garbage compression station, a new garbage feeding mode is added, and two feeding modes are achieved.

This application applies to the field of intelligent agents, providing a medical intelligent agent system, a medical system, a medical system architecture, and an application method. The medical intelligent agent system includes: an intelligent agent platform for generating and / or editing intelligent agents based on input information; and a transmission unit for exporting intelligent agents to the medical system for execution, and / or importing intelligent agents from the medical system for editing. Using this medical intelligent agent system can improve the efficiency of intelligent agent generation and ensure that the clinical data required for the generated intelligent agents to run in the medical system does not need to be externally transmitted, thus improving the security and privacy of clinical data.

The utility model provides a glue filling machine capable of quantitatively filling, which relates to the field of glue filling machines, and comprises a filling support, a glue filling mechanism, a glue filling mechanism, a glue filling mechanism, a glue filling mechanism, a glue filling mechanism, a glue filling mechanism and a glue filling mechanism, and is characterized in that the filling support is mounted on the rear side of a rack of a conveyor; an electromagnetic valve is mounted on a glue outlet head at the lower end of the glue storage tank, and the lower end of the glue outlet head of the glue storage tank is connected with a drainage pipe. The radar level meter is matched with the radar horn mouth to monitor the liquid level of glue in the glue filling barrel in real time, and after the liquid level in the glue barrel reaches the standard, the controller closes the electromagnetic valve, so that the phenomenon of overflow waste caused by the fact that the glue barrel is overfilled with the glue or the batch quality defect caused by insufficient filling of the glue in the glue barrel is avoided, and the production efficiency is improved. The metering precision and stability of the glue filling machine in the whole process operation are improved; the glue filling machine solves the problem that in the glue filling process of an existing glue filling machine, the amount of glue filled into a glue barrel is difficult to accurately control, so that the glue filling machine is poor in glue filling precision.

The utility model discloses a vulcanizing device for automatic silica gel forming, which relates to the field of silica gel production vulcanizing technology and comprises two guide rails which are symmetrically arranged, vertical columns are fixedly arranged at the tops of the guide rails, and a heating assembly is slidably arranged between the two vertical columns through a lifting assembly. A first moving frame and a second moving frame which are the same in structure are placed between the two guide rails, and the second moving frame is located under the heating assembly. After the silica gel on the second moving frame is processed, the silica gel can be moved to the outside by pushing the grab handle to wait for cooling without waiting for cooling of the silica gel, so that the blanking convenience of the vulcanized silica gel can be improved, the trouble of manually taking out the vulcanized silica gel is avoided, and the production efficiency is improved. The problems that after silica gel is vulcanized, scalding vulcanized silica gel is difficult to take out, operation is inconvenient, the human body is scalded due to the fact that high-temperature vulcanized silica gel makes contact with the human body, and improvement is needed are solved.

The utility model discloses a multifunctional cigar portable box relates to tobacco appliance technical field. The portable box includes cigar box main part, explosion -proof lighter, cut -out spare, storage warehouse and heat -insulating layer. The cigar box main part is equipped with fireproof layer and support frame in, and fireproof layer adopts ceramic fiber composite material, and effective barrier flame diffusion, sets up dry powder storage warehouse and safety support spring below explosion -proof lighter, can release fire extinguishing agent automatically when deflagration, and the cut -out spare realizes linear cutting through replaceable blade and guide rail, and is equipped with spacing adjustment function, ensures accurate operation, and the storage warehouse is covered with aerogel heat -insulating layer, and maintains the constant temperature environment in the box. The utility model discloses through integration storage, ignition, cutting and safety protection function, solved traditional cigar box single -function, inconvenient to carry and the hidden danger of safety problem, has modularization design, double safety protection and easily maintains the upgrading and so on, is applicable to cigar lover daily use and outdoor scene.

The utility model discloses a kind of take-out mechanisms for electric toothbrush injection moulding, including mounting plate, the top middle position of mounting plate is fixedly connected with support column, and the top of support column is equipped with feeding mechanism, the left side of support column is fixedly connected with first cross plate, the utility model in use, the soft rubber material chuck of pneumatic clamp is set up can be taken out by injection moulding product, then, by first servo motor drives movable shaft to turn upside down, to drive first electric pole clockwise to turn one hundred and eighty degrees, to be taken out product can be placed into in material receiving box, and by second servo motor drives second U-shaped plate rotation, the blanking angle of material receiving box can be adjusted, and by starting third electric pole to pull down second limit strip and move downwards, to drive the right side of material receiving box to turn upside down, and product in material receiving box can be slid out, improve the convenience of product taking out and putting.

The application relates to the technical field of infrared emission tube row production equipment, and discloses an infrared emission tube row discharging and stacking mechanism, which comprises a shell and a material collecting frame. Two vertical plates are fixedly connected with mounting seats at the upper ends, the mounting seats are fixedly connected with four positioning columns arranged in a rectangular array at the upper ends, the bottom end of the material collecting frame is provided with four positioning grooves arranged in a rectangular array, one side of the material collecting frame is fixedly connected with two guide rods arranged in a mirror image, one end of the material collecting frame away from the guide rods is fixedly connected with a handle, the upper end of the shell is fixedly connected with a conveying groove body, and one side of the conveying groove body is fixedly connected with a photoelectric sensor. The infrared emission tube row discharging and stacking mechanism is characterized in that the positioning columns on the mounting seats are matched with the positioning grooves at the bottom end of the material collecting frame, the accurate positioning and stable placement of the material collecting frame on the mounting seat are realized, the position of the material collecting frame is accurate and correct in the subsequent discharging and stacking process, and the stacking quality and product integrity are guaranteed.

The utility model discloses a rescue air cushion convenient to carry, including box, air bag pad and movable board, the inside of box is provided with the cavity, and the one side of box is provided with the notched of being linked with the cavity, and the upper and lower both ends of notched inboard all are through the pivot respectively installed with roll axle no.

This utility model relates to the field of guide rail production and handling, and in particular to a handling device for the production of anti-fall guide rails for iron towers. It includes a crossbeam frame and a vacuum suction cup. A U-shaped support frame is fixedly installed on the left side of the lower end of the crossbeam frame. Connecting sleeves are fixedly installed at both the front and rear ends of the U-shaped support frame. A second U-shaped support frame is fixedly installed on the right side of the lower end of the crossbeam frame. Connecting blocks are fixedly installed at both the front and rear ends of the second U-shaped support frame. An installation cavity is provided on the inner side of each connecting block. This utility model connects the connecting blocks of one handling device with the connecting sleeves of another handling device by inserting them together, and uses locking blocks to lock the connecting blocks and connecting sleeves. This allows multiple handling devices to be connected as a whole, facilitating the selective splicing of handling devices according to guide rails of different lengths. This enables adaptation to different models of anti-fall guide rails for iron towers, improving the equipment's adaptability and further enhancing the ease of use of the anti-fall guide rail production and handling device.

The utility model relates to two -wheeled electric vehicle technical field especially relates to a two -wheeled electric vehicle adjustable height's rear foot rest support. It includes C shaped mounting bracket, and the bottom plate of C shaped mounting bracket is provided with hexagonal wrench box, and the top of hexagonal wrench box is provided with the sliding cover, and the inside screw thread cylinder is provided in C shaped mounting bracket top plate, and the inside screw thread cylinder is provided with adjusting assembly, and the top of adjusting assembly is provided with foot rest subassembly, and the inner wall of C shaped mounting bracket is provided with the relaxation component. The utility model can realize the adjustment of foot rest subassembly height through the rotation of the runner, and the operation is simple and laborsaving, and the user can easily change the foot rest height according to the demand, provides the personalized comfortable experience for the user of different height or cycling habit, greatly improves the convenience of use.

The invention relates to the technical field of elevators, and discloses an elevator car interior protection structure based on multi-dimensional buffering, which comprises four groups of first splicing devices, two groups of second splicing plates and eight groups of third splicing plates, the first splicing devices comprise a plurality of groups of first splicing plates, and connecting grooves are formed in the front and rear sides of the plurality of groups of first splicing plates; a first hinge is arranged in a connecting groove of the first splicing plate, a plurality of sets of first connecting devices are connected between the second splicing plates and the third splicing plates, the first splicing devices, the two sets of second splicing plates, the eight sets of third splicing plates and the first connecting devices are matched with screw blocks, so that the device can be quickly assembled; and meanwhile, field processing is not needed, the upper side of the second splicing plate on the front side is movably connected with a turning plate, the device does not need to be fixed to the inner wall of an elevator car after being installed, therefore, rigid connection with an elevator is not needed, and the installation speed and efficiency of the device are improved through the method.

The utility model discloses a double -deck film temperature light humidity regulation big -arch shelter, including a plurality of arch beam and outer layer film, the both sides of a plurality of arch beam all are provided with support frame subassembly, is provided with open -close subassembly on the arch beam, open -close subassembly is left -right symmetry structure, and open -close subassembly includes left and right two slide sleeves and a plurality of rings, two slide sleeves all are covered in the outside of arch beam, and the fixed component is used for fixing the outer layer film, and the one side fixed link of slide sleeve has the support plate, and the inboard fixed link drive motor of support plate, the utility model relates to the technical field of greenhouse. The double -deck film temperature light humidity regulation big -arch shelter is in the planting process, through the effect of open -close subassembly makes the outer layer film unfold or fold, thereby when needing to carry out the light, the outer layer film folds, and light better carries out the irradiation, and the unfolding is carried out when keeping warm, provides better planting environment for the plant, and the practicality of device use time has been improved.

The present application relates to the technical field of conductive trolley, in particular to a lifting type graphitization inner string furnace conductive trolley, which comprises a liftable frame, and further comprises a sliding mechanism, a sliding support part and a compensation mechanism, the compensation mechanism is provided with at least two, and two are arranged oppositely, one end of the compensation mechanism is connected with the sliding mechanism, and the other end is connected with a pressure regulating part. The liftable frame is arranged, so that the conductive trolley can be flexibly adjusted according to the actual height of the furnace head electrode, precise butt joint with electrodes of different heights can be completed without the help of external lifting equipment, and the convenience and adaptability of furnace charging and furnace discharging operation are improved. Through the cooperation of the pressure regulating part and the compensation mechanism, the spring pre-tightening force can be adjusted online, the push plate is driven to move and extrude the spring, the spring increases the pre-tightening force, so that the compensation mechanism can always provide stable and reliable compensation effect for the electrode, and the stability and reliability of electrode conduction are ensured.

The utility model relates to the field of construction safety, concretely relates to a kind of for safety belt collocation multi-point adsorption type safety fixing device, including main frame, sucking disc, pressure outlet, pressure ware, power, connecting buckle, connecting rope, hook, alarm, the sucking disc evenly distributes in the bottom of the main frame, the pressure outlet is set in the side of one vertex of the main frame, the connecting buckle is set in the front of the main frame, the connecting rope connects the connecting buckle and hook, the pressure ware is set in the main frame and is connected with the sucking disc, the power is electrically connected with the alarm, pressure ware, after sucking disc and adsorption operating surface contact, the pressure ware empties the gas in the sucking disc by the pressure outlet. The adsorption, illuminating property, convenience, safety of the device provide better security guarantee for the safety of worker in construction site, more convenient in construction process, improve the safety index of construction site.

This utility model relates to the field of exercise equipment technology, specifically an electric adjustable resistance exercise bike, including a main frame welded together, inclined support legs, a pedal transmission structure, a flywheel, a brake bracket, a spring, a fixing plate, a handle, an electric magnetic resistance structure, and a drive device. The main frame welded together has two inclined support legs at its bottom. A pedal transmission structure is installed below the first inclined support leg, and a flywheel connected to the pedal transmission structure is installed behind the second inclined support leg. A brake bracket and an electric magnetic resistance structure are located between the flywheel and the second inclined support leg. Compared with existing technologies, this utility model adds an independent magnetic bracket and brake bracket at the flywheel, used for magnetic control adjustment and braking functions, and manual braking function, respectively. This makes the resistance adjustment and braking functions independent, improving the stability and safety of the exercise bike. Electric adjustment allows for precise control of the exercise bike's resistance while also improving the efficiency and convenience of resistance adjustment.