68results about How to "Effective maintenance" patented technology

The invention provides an elevator operation vibration detection and adjustment system and method, and relates to the technical field of elevator safety. The system comprises a parameter learning unit, a data acquisition unit, a data processing unit, a control unit and a maintenance interaction unit, the method comprises the following steps: pre-learning key parameters of a shaft, collecting the running state and vibration data of the elevator in real time, realizing accurate recognition of vibration abnormity through multi-dimensional filtering and spectral analysis, executing a grading response strategy in combination with abnormal positions, types and degrees, including maintenance early warning, running parameter dynamic adjustment or running prohibition, and assisting in maintenance through a maintenance interaction unit. Manual on-site detection is not needed, vibration hidden dangers can be actively recognized and dynamically controlled, the risk that a vibration reduction mechanism conceals mechanical abnormity is avoided, elevator operation safety and riding comfort are improved, and meanwhile maintenance efficiency is improved.

The utility model discloses a current collector overhauls system, include: current collector dismounting platform, first plane transmission equipment, its loading end is butt jointed with current collector dismounting platform and sets up, and the unloading end is butt jointed with the cleaning equipment and sets up, via the current collector dismounting platform dismounting's current collector spare is placed in the lifting appliance, cleaning equipment, including a plurality of sequentially arranged cleaning platform, suspension type transmission equipment, set up in the cleaning equipment top, to with lifting appliance is sequentially transmitted to each cleaning platform place, second plane transmission equipment, its loading end is butt jointed with cleaning equipment, and along second plane transmission equipment side setting has a plurality of overhaul equipment. The utility model discloses a current collector overhauls system, can realize the overall, accurate, effective overhaul to current collector, and based on first plane transmission equipment, suspension type transmission equipment and second plane transmission equipment connection overhaul whole process, improve the overhaul efficiency.

This utility model discloses a small motor maintenance trolley, including a hydraulic system, a lifting system, an adjustable clamping mechanism, a rotating mechanism, and auxiliary tools. The lifting system includes a main frame and a lifting platform. The hydraulic system includes an oil tank, a hydraulic pump, multiple sets of hydraulic cylinders, and supporting oil pipelines. The rotating mechanism is mounted on a base and includes two opposing rotating bodies and rotating clamps. The adjustable clamping mechanism includes two opposing clamps. Auxiliary tools include a frame shell, etc. This utility model enables 360-degree rotational maintenance of motors, achieving efficient, safe, and convenient motor maintenance operations, and is suitable for various motor maintenance scenarios.

The utility model relates to the technical field of step induction, and disclose a kind of step induction mechanism for mould, including limiting mechanism and induction mechanism, the induction mechanism is located in the inside of limiting mechanism, the limiting mechanism includes fixed base, vertical shaft is rotatably connected in the inside of fixed base.The step induction mechanism for mould, with the advantages such as convenient dismounting, solve in mould production, step induction mechanism is important to control mould opening and closing, guarantee product quality.But existing mechanism has obvious defect: its structure is complex, many parts, rely on professional personnel and a variety of tools fine adjustment when assembling, time-consuming and labor-consuming;Operation is mainly automated, and it cannot meet the demand of artificial flexible adjustment in trial stage, leading to inefficient trial and high cost;When maintaining, a large number of associated parts need to be disassembled for replacing the wearing parts, which is not only troublesome but also easy to damage other components, and the tail material cannot be taken out in time, which often causes the production line to stop, seriously affecting the production progress and efficiency.

The utility model discloses a strength measuring device for an automobile rear anti-collision beam with a protection structure, comprising: a support base, an installation hole is arranged above the support base, and a fixing plate is fixedly installed above the inside of the installation hole through bolts, and a hydraulic cylinder is arranged inside the fixing plate, and an installation block is installed outside the output end of the hydraulic cylinder; a maintenance mechanism for extending the service life of the hydraulic cylinder is arranged on the outer right side of the output end of the hydraulic cylinder. The strength measuring device for the automobile rear anti-collision beam with a protection structure can effectively block the splashing of fragments after the rear anti-collision beam is impacted through the setting of the protection structure, effectively ensuring the personal safety of testers. At the same time, a shock absorption mechanism is arranged, and a shock absorption mechanism is arranged at the output end of the hydraulic cylinder, which can reduce the impact damage brought to the hydraulic rod by the impact. In addition, a maintenance mechanism is arranged, which can effectively maintain the hydraulic cylinder, thereby greatly extending the service life of the hydraulic cylinder.

The utility model discloses an automatic colla corii asini powder grinding device which comprises a shell, the rear surface of the shell is rotatably connected with a sealing cover through a hinge, the lower surface of the sealing cover is fixedly connected with a sealing gasket, the side inner wall of the shell is movably connected with a grinding cylinder, and the lower surface of the grinding cylinder is provided with filter holes. The lower surface of the smashing cylinder is fixedly connected with a protective shell and a first motor, the output end of the first motor is fixedly connected with a rotating shaft, the side surface of the rotating shaft is fixedly connected with blades, the side surface of the shell is rotationally connected with a sealing door through the rotating shaft, and the lower surface of the shell is fixedly connected with a second motor. The output end of the second motor is fixedly connected with a lead screw, the side surface of the lead screw is in threaded connection with a filter screen screening disc, and the lower surface of the shell is fixedly connected with a base.

This utility model discloses a valve with a dustproof structure, belonging to the field of valves. It includes a valve body, a valve cover on the valve body, and a valve stem on the valve cover. A handwheel is provided on the valve stem, and a dustproof bracket is provided on the valve cover. A dustproof cover rotatably covers the valve stem on the dustproof bracket. The dustproof cover includes a main rotating cover and a secondary rotating cover. When lubrication, inspection, or operation of the valve stem is required, simply rotating the secondary rotating cover allows it to rotate along the shaft and retract into the main rotating cover, quickly exposing the valve stem without disassembling the entire dustproof cover. This greatly simplifies the maintenance process. Compared to traditional fixed or fully removable structures, where the dustproof cover needs to be completely removed for each valve stem maintenance, making the operation cumbersome, this utility model uses a rotating opening and closing design. Only the secondary cover needs to be rotated to expose the valve stem, making the maintenance process more efficient.

The invention discloses a visual characterization method for Hash mapping code peculiar smell to a 3D space, and relates to the field of software engineering. According to the method, accurate, unique and quality-associated characterization from code elements to a 3D space is realized through an algorithm link of associated code quality indexes, and the problems that traditional 2D visualization information is overloaded, 3D visualization has no quality association and calculation is complex are solved. According to the algorithm, code quality indexes serve as input, 3D space positions and visual attributes are output through calculation processing, and the real-time characterization requirements of a large-scale code library are met.

This utility model discloses a waterproof picnic mat for outdoor leisure, belonging to the technical field of outdoor picnic mats. It includes a picnic mat body with a multi-layer composite structure, comprising, from bottom to top, a bottom anti-slip layer, a support layer, an activated carbon layer, a cushioning layer, a protective layer, and a surface layer. The lower surface of the bottom anti-slip layer has multiple biomimetic nipple structures. The support layer adopts a modular splicing structure, composed of two long boards and two short boards. The bottom anti-slip layer and the support layer are connected by a detachable connection structure. Quick-fixing components are also provided at the four corners of the picnic mat body. This utility model, through the combination of a detachable support layer, an auxiliary anti-slip layer, quick-fixing components to further improve the fixing effect, and the activated carbon layer, cushioning layer, protective layer, and surface layer, significantly improves the picnic mat's anti-slip properties, stability, portability, and maintainability, making it suitable for various outdoor terrains such as grass and sand.

The present disclosure relates to a cloth gripping device (1) having two opposing gripping surfaces (50a) defining an elongated gap (3) therebetween for gripping a piece of cloth (2). A cloth gripping device (1) includes a frame (10), two links (20) arranged opposite each other, and an actuator (60). Each of the two links (20) comprises: at least one actuating link (30) movable back and forth relative to the frame (10) in a longitudinal direction (30e) between an advanced position and a retracted position; a pair of opposing connector links (40), each having a distal end (41) and a proximal end (42), the proximal end (42) being pivotally connected to the frame (10); a grip link (50) having a proximal end (52) and a distal end (51), the proximal end (52) of the grip link (50) being pivotally connected to the at least one actuation link (30) and the distal end (51) being pivotally connected to each of the connector links (40), the distal end (51) of the gripping link (50) has a surface portion extending along the gap (3) to define one of the gripping surfaces (50a). An actuator (60) is configured for driving the actuating link (30) of the two links (20) back and forth in the longitudinal direction (30e). Furthermore, each link (20) is configured such that, when the actuation link (30) is moved in the longitudinal direction from the retracted position towards the advanced position, the gripping link (50) rotates relative to the actuation link (30) for bringing the two gripping surfaces (50a) closer to each other.

The utility model relates to the field of film production discloses a film's air cooling device, including the conveyance case, the lateral wall of conveyance case is provided with the fan, the left end fixed connection of fan has the connecting pipe, the outer wall fixed connection of connecting pipe has the fixed pipe, the outer wall sliding connection of fixed pipe has the sleeve pipe, the fixed connection of sleeve pipe's end has the movable pipe, the top fixed connection of movable pipe has the sliding block, the inner wall of sliding block is provided with drive mechanism. In the utility model, through the conical groove structure of fan cooperation connecting pipe and movable pipe, can accelerate airflow, enhance air cooling efficiency, can effectively to the film on the conveyance belt rapid cooling. Simultaneously with the cooperation of bidirectional screw rod and sliding block, can adjust movable pipe position as needed, also can make its reciprocating movement, realize according to the flexible adjustment air cooling range of film width, ensure that large area film can also obtain uniform and efficient air cooling cooling.

The present invention relates to a beam bridge suspension bridge accessory surveying inspection road, more specifically, an inspection road for investigating whether a beam bridge is abnormal, which is composed of a guide fixing part signed on a guard block provided on a slope of the beam bridge; a connecting support part fixedly connected with the upper part of the guide fixing part; and a beam bridge suspension bridge surveying inspection road composed of a surveying and passing prompting part fixedly connected with the lower part of the connecting support part.

The utility model discloses a convenient water flux tester which comprises a first conducting hose, a peristaltic pump, a second conducting hose, a pressure gauge, a third conducting hose and a filter, one end of the first conducting hose extends into liquid to be tested, and the other end of the first conducting hose is connected with an inlet of the peristaltic pump; an outlet of the peristaltic pump is connected with a second conducting hose, and the other end of the second conducting hose is connected with a pressure gauge; the other end of the pressure gauge is connected with a third conducting hose which is connected with a filter; and a membrane to be detected is placed in the filter. According to the utility model, the water fluxes of different membrane materials can be conveniently and quickly tested, an accurate water flux value can be obtained through simple calculation, and the water flux testing device has the advantages of convenience in operation, easiness in carrying, wide application range and the like.

The utility model relates to the field of wear -resisting material and parts, disclose detachable combination type wear -resisting ball, including base body, the outer wall of base body is connected with a plurality of connecting columns fixedly, a plurality of connecting columns away from the one end of base body all are connected with fixed disc fixedly, the inside screw thread connection of fixed disc has fixed column, the outside of base body is equipped with a plurality of housings. In the utility model, through the accurate embedding of the sharp end of the opener into the inner wall of the groove on the top of the fixed column, steady force is applied to rotate in the counterclockwise direction, the fixed column is unscrewed from the inside of the fixed disc by virtue of the lever principle to overcome the thread resistance, then, the damaged housing can be easily taken off from one side of the fixed disc due to the loss of the constraint of the fixed column, after replacing the new housing, the positioning disc is aligned with the preset clamping groove in the housing and is vertically pressed and embedded, ensuring accurate positioning, finally, the opener is used again to resist the groove and rotate clockwise.

This utility model discloses a multi-functional traveling crane system for the inspection and maintenance of the FAST ring beam, comprising: a support frame; an elastic wheel set located at the bottom of the support frame to adapt to the uneven surface of the ring beam track; a differential wheel set, including an inner diameter drive wheel and an outer diameter drive wheel, respectively matching the inner diameter track and the outer diameter track of the ring beam to achieve differential travel between the inner and outer diameters; guide wheel assemblies symmetrically arranged on both sides of the base frame to constrain the trolley to move radially along the track and prevent the traveling wheels from detaching from the ring beam track; an anti-rollover assembly, including a robotic arm and roller assembly, to prevent the trolley from tipping over; a pneumatic drive system, including a diesel air compressor, a low-speed pneumatic motor, and a transmission mechanism, to drive the differential wheel set; and two parallel traveling lifting platform tracks are provided above the support frame, on which a traveling lifting platform capable of lateral movement is installed. This utility model, through pneumatic drive, differential wheel set, and lifting platform design, achieves safe, efficient, and comprehensive inspection and maintenance operations for the ring beam.

The utility model relates to the technical field of microfiltration devices, in particular to a microfiltration device for producing fulvic acid, which is characterized in that the outer surface of a microfiltration cylinder is fixedly connected with a discharge flange, a dirt collecting net is sleeved in the discharge flange, the inside of the dirt collecting net is in threaded connection with a *-shaped mounting frame, and the outer surface of the *-shaped mounting frame is fixedly connected with a nitrile rubber ring; a set of through grooves are formed in the mounting frame shaped like the Chinese character'mi ', an internal thread groove is formed in the dirt collecting net, after impurities are blocked, along with continuous injection of fulvic acid liquid, the intercepted impurities naturally flow into the discharging flange along the inclined face of the filter net under follow-up washing of fulvic acid, the dirt collecting net is mounted in the discharging flange, and when the fulvic acid liquid is continuously injected, the dirt collecting net is prevented from being blocked. Impurities are intercepted on the dirt collecting net, after long-time use, the blocking cover is taken down, the blocking cover can be directly pulled out, when the nitrile rubber ring slides and is taken out along with the dirt collecting net, the nitrile rubber ring rubs the inner wall of the discharging flange, and the impurities accumulated in the discharging flange are effectively cleaned.

The utility model discloses a high -pressure switch electromagnetic lock convenient to dismantle, including installation base and lock body, the one side of installation base is provided with lock body, the outer surface of installation base is opened with two groups butt joint groove symmetry, the middle part of butt joint groove is fixed with the guide column, the rear end surface of lock body is fixed with the butt joint seat. This high -pressure switch electromagnetic lock convenient to dismantle is positioned with the preliminary cooperation of the connecting groove on the installation base and the lock body rear end connecting block, and the spring in the sliding slot pushes the connecting plate and makes the clamping block extend and accurately embed the connecting block clamping groove and form the stable mechanical locking under the natural state, ensures electromagnetic lock connection reliable, when dismantling, can drive the connecting plate compression spring and make the clamping block separate from the clamping groove by pulling L type pull rod, realizes the tool -free quick dismounting, and the limiting axle effectively restricts the sliding track of connecting plate, prevents the clamping block and deviates, guarantees the structural stability, has improved the installation efficiency, the maintenance convenience and the use reliability of high -pressure switch electromagnetic lock significantly.

The utility model discloses a double-station radish dicing machine which comprises a plate and a pressure detection conveying belt and is suitable for directional conveying of radishes with different sizes. The dicing mechanism drives double pressing rods to move synchronously or alternately through a cam assembly, and a pressing and cutting plate is matched with a detachable grid dicing plate to achieve multi-specification dicing. The flushing mechanism is integrated with a multi-angle nozzle and a flow control unit, and the dicing box is automatically cleaned. The control module dynamically adjusts the feeding rate according to the pressure signal, switches the cutting mode and triggers the cleaning program. According to the design, the problems that traditional equipment is low in efficiency and poor in adaptability are solved, and the radish dicing machine has the advantages of double-station synergistic interaction, modular quick disassembly and maintenance, intelligent control and the like and is suitable for large-scale radish dicing processing.

The valve comprises an outer sleeve, a flow control mechanism is arranged in the outer sleeve, the flow control mechanism comprises an adjusting sleeve, a linkage sleeve, a center rod, a supporting frame, a transmission sleeve, a push sleeve and a spiral plate, the adjusting sleeve is rotationally installed at the top end of the outer sleeve, the linkage sleeve is fixed to the inner side of the adjusting sleeve, and the center rod is fixed to the center rod. The center rod is fixed to the inner side of the linkage sleeve, the flow control mechanism achieves accurate adjustment of the water flow speed through a series of precise structural design, the adjusting sleeve rotates to drive the linkage sleeve to rotate so as to drive the center rod to rotate, the center rod pushes the transmission sleeve to slide along the center rod, and the spiral plate is pushed through the push sleeve. The flow space of water flow is adjusted through the change of gaps of the spiral plates, and the structure has the advantages that the water flow speed can be flexibly adjusted according to different requirements, the utilization efficiency of water resources is improved, excessive or insufficient irrigation is avoided, it is ensured that crops obtain balanced water supply, and therefore the agricultural irrigation effect and productivity are improved.

The application provides an external stroke monitoring device, belonging to the technical field of shield machines; the stroke monitoring device comprises a first connecting main body, a second connecting main body, a movable piece and a detection element; the first connecting main body and the second connecting main body are mutually sleeved to form a connecting assembly; one end of the connecting assembly is hingedly connected with a sliding frame, and the other end of the connecting assembly is connected with other static components of an anchor excavator; the movable piece is installed on the first connecting main body or the second connecting main body, and the movable piece is fixedly connected with a detection end of the detection element. The application provides an external stroke monitoring device which is convenient to disassemble and install, has a simple structure, is convenient to disassemble and install, and is easy to maintain daily; when the stroke monitoring device has a problem, the stroke monitoring device can also be quickly and effectively maintained, thereby saving the maintenance time of the device and improving the use efficiency of the equipment.

The utility model discloses a sludge conveying anti -blocking device convenient to maintain, including soft mud conveying mechanism, hard mud smashing conveying mechanism, the hard mud smashing conveying mechanism welding installation in the outer wall input pipe orifice department of soft mud conveying mechanism, zoned conveying mechanism, the zoned conveying mechanism passes through screw installation in the upper end of soft mud conveying mechanism and hard mud smashing conveying mechanism, lift down -pressing smashing mechanism, lift down -pressing smashing mechanism installation connection in the upper end right side of zoned conveying mechanism, overhauling closed mechanism, overhauling closed mechanism installation in zoned conveying mechanism, and located the left side of lift down -pressing smashing mechanism, the soft mud and hard mud of zoned conveying in the utility model department can be corresponding to discharge to soft mud conveying mechanism and hard mud smashing conveying mechanism, and the zoned conveying avoids the influence of hard mud block to the conveying of soft mud when smashing, and effectively ensures the overall conveying efficiency.

The utility model provides a kind of mobile power supply system for electron beam scanning electron microscope ion pump.The mobile power supply system includes box, the power supply core being set in the box, charging interface and at least one discharge interface.Charging interface is used to connect external power supply and power supply system, to charge power supply system;Each discharge interface is used to connect power supply core and an ion pump, to discharge ion pump.The mobile power supply system of the utility model integrates multiple functions, is easy to operate, and has complete safety measures, which can ensure that the internal vacuum degree of the electron gun deteriorates during transportation, and maintain the high vacuum state of the electron gun by supplying power to the ion pump to vacuumize the electron gun.The mobile power supply system is installed in the electron gun transport cabinet in the form of a module, which is small in size and easy to install.When the entire module fails, efficient maintenance can be achieved by replacing the module, reducing maintenance time and cost.

The lifting device comprises at least one continuous anode, the periphery of the continuous anode is sleeved with a clamping frame, a plurality of anode guide rods are arranged between the clamping frame and the continuous anode, and a pressing mechanism enabling the anode guide rods to make contact with the continuous anode is installed on the clamping frame. A lifting mechanism is arranged at the upper end of the clamping frame and comprises a first driver, a second driver and a lifter, a lifter connector connected with the second driver is arranged on the upper portion of an output shaft of the lifter, an anode bus is arranged on the outer side of the anode guide rod, and a soft belt connected with the anode bus and the anode guide rod closest to the anode bus is arranged between the anode bus and the anode guide rod. According to the invention, the synchronism of the continuous anodes is ensured, the accuracy of electrode distance and cell voltage control is improved, the thermal balance of the electrolytic cell is maintained, the energy consumption is reduced, the current efficiency is improved, and the technical problems in controlling the electrode distance and regulating and controlling the distance between an anode guide rod and an aluminum oxide crust are thoroughly solved.

The embodiment of the invention provides a method and a device for dynamically generating an upper computer interface of a battery management system. The method for dynamically generating the upper computer interface of the battery management system comprises the following steps: acquiring parameter information of a plurality of battery parameters corresponding to a battery module in the battery management system; reading a configuration file generated by a user through user-defined configuration, analyzing the configuration file to obtain a template view corresponding to the parameter information, and obtaining a binding relationship between different battery parameters and different template controls; determining target template controls bound with the plurality of battery parameters according to the binding relationship, and combining the target template controls according to the template view to generate an initial upper computer interface; and based on the binding relationship, dynamically filling the target template control in the initial upper computer interface with the parameter information, and generating a target upper computer interface for visual display.

The utility model relates to tea maker technical field, specifically disclose tea maker ultraviolet sterilization water route module, include: tea maker main part and assemble in the water tank of tea maker main part inside, set up the placing plate of tea maker main part one side, and set up in the disinfection lamp tube of water tank, one side inner wall of water tank fixed mounting has the mounting block, and the arc slot is penetrated in mounting block top side, the outside of disinfection lamp tube is equipped with the quartz sleeve, the outside upper end of quartz sleeve is equipped with the mounting ring, and the mounting ring outside and arc slot between are adapted, the utility model avoids using bolt long time soaking in water and leads to the problem of silk, alleviates personnel maintenance burden, lets disinfection lamp tube and quartz sleeve's replacement or maintenance process more efficient, easy, improves the practicality of sterilization module.

The invention discloses a control system and method for continuously adjusting the output power of a low-clutter system, and the system comprises a local oscillator source, a power divider, and a plurality of klystron amplification branches connected in parallel, the local oscillator source generates an initial microwave signal, the signal is distributed to each klystron amplification branch connected in parallel through the power divider, and the klystron amplification branches are connected in parallel. A PIN electrically controlled attenuator in the klystron amplification branch receives a control voltage from a control system, and a microwave switch receives a digital switch signal from the control system and is used for on-off control of the branch; the signal processed by the klystron amplification branch is amplified by the klystron and then enters the bidirectional coupler, and the bidirectional coupler is used for coupling sampling signals of incident power and reflection power and sending the sampling signals to the control system; the microwave power output by the bidirectional coupler is injected into the plasma; the method has the advantages that the problem that the power regulation range of an existing system is limited, and particularly continuous regulation cannot be achieved in a low-power section is solved.

This utility model relates to the technical field, specifically a maintenance device for a cement silo dust collector. It includes a dust collector tube sheet, slots, filter bags, and bag cages. Multiple rows of slots are formed on the tube sheet, and bag cages are engaged with these slots. Filter bags are fitted over the bag cages. Connecting blocks are symmetrically arranged on the top of each bag cage, and rings are mounted on the connecting blocks. Positioning plates are located on both sides of each row of slots, between the rings and the top of the bag cages. This maintenance device for the cement silo dust collector, through its positioning plates, lifting plates, and connecting plates, allows for efficient maintenance. During dust collector maintenance, the lifting rod is connected to the lifting plate, and the connecting plate is installed on the positioning plate, connecting multiple positioning plates into a single unit. The lifting device then raises the lifting plate, allowing all bag cages to be lifted out at once.

The application provides a data processing method and system, comprising: a PLC acquires electromagnetic information corresponding to each electromagnetic liquid level meter to generate a corresponding electromagnetic curve, and divides the electromagnetic curve based on a preset time period to obtain a corresponding to-be-verified electromagnetic curve; based on the first electromagnetic coordinate point and the second electromagnetic coordinate point, a corresponding jump electromagnetic value and a jump time value are calculated; based on the liquid level change extreme value information, a corresponding maximum electromagnetic change value is obtained, and if the jump electromagnetic value is greater than the maximum electromagnetic change value, the electromagnetic liquid level meter is marked; the PLC interacts with a smart water level system to generate a corresponding water level model, and based on electromagnetic information of the electromagnetic liquid level meter, corresponding water level point dynamic virtual liquid level information is obtained; and based on the jump electromagnetic value and the jump time value of the marked electromagnetic liquid level meter, synchronization update information of the electromagnetic liquid level meter is generated.

The utility model relates to the technical field of fine iron powder, and discloses a fine iron powder filtering device convenient to clean, which comprises a machine body, a vibrating screen is arranged in the machine body, a cleaning mechanism and a knocking mechanism are arranged in the machine body, the cleaning mechanism comprises a cleaning assembly and a driving assembly, the cleaning assembly comprises a transmission rod, and the driving assembly comprises a driving shaft. The transmission rod penetrates through and is rotationally connected to the inner wall of the machine body, a sliding table is attached to the outer wall of the transmission rod, a brush is slidably connected to the bottom of the sliding table, a motor is fixedly installed on the outer wall of the machine body, a threaded rod is fixedly installed at the output end of the motor, the driving assembly comprises an inclined rod, and the inclined rod is fixedly installed at the top of the brush. According to the utility model, the starting motor is matched with the threaded rod, the transmission rod, the sliding table and the brush, so that iron concentrate powder and impurities remained on the vibrating screen can be swept down, the screening effect of the vibrating screen is prevented from being influenced by accumulation of the iron concentrate powder and the impurities, and the maintenance of the vibrating screen is more efficient.

The technical scheme of the invention discloses a system for constructing a high-precision user behavior portrait through an improved federal learning algorithm, and the system is characterized in that the system comprises a multi-source privacy protection data obtaining module; a federated learning modeling module based on dynamic weighting and contribution proving; a multi-dimensional user behavior portrait module; a personalized vehicle network interaction strategy generation module; a dynamic execution and fair excitation module; and a feedback and model self-optimization module. According to the method, deep analysis and portrait construction can be carried out on historical data of user charging and discharging behavior habits, a high-precision and high-coverage user behavior portrait model is generated through an improved federated machine learning algorithm, the real-time income of users is improved, the user viscosity is enhanced, and the power grid stability and the renewable energy consumption rate are further improved.