43results about How to "Easy and efficient maintenance" patented technology

The invention relates to an insulator online spraying method and system based on an unmanned aerial vehicle, and the method comprises the following steps: controlling the unmanned aerial vehicle with a spray gun to be near an insulator to be sprayed, and enabling the unmanned aerial vehicle to collect the video data of the insulator to be sprayed in real time; constructing an insulator target detection model, and inputting the video data of the insulator to be sprayed into the insulator target detection model for insulator detection to obtain an insulator detection result; and an insulator target tracking model is constructed, a target insulator needing to be sprayed is selected from insulator detection results, the unmanned aerial vehicle is controlled to continuously track the target insulator through the insulator target tracking model, the unmanned aerial vehicle is kept at the optimal spraying position, and the insulator spraying task is completed.

The invention relates to the technical field of wireless communication, and discloses a rapid networking method based on software defined radio fusion of multiple communication devices, which comprises the following four steps: preliminary networking, strategy decision and broadcast integration, direct neighbor device response and integration, and indirect neighbor device and other device integration. Information exchange and data transmission between cross-platform and cross-protocol communication devices are realized. And an integration mechanism of layer-by-layer diffusion is adopted, so that orderliness and high efficiency of the networking process are ensured. According to the method, network parameters do not need to be configured manually, the networking complexity and cost are reduced, and the networking efficiency and flexibility are improved. The method is especially suitable for emergency communication, Internet of Things, military communication and other scenes requiring rapid and flexible networking.

The invention discloses a YOLO-based garbage overflow intelligent monitoring system under the view angle of an unmanned aerial vehicle, and belongs to the technical field of target detection and environmental protection, the system comprises an unmanned aerial vehicle monitoring module, a YOLO model training module, a model deployment module, a back-end program module and a user interface module; wherein the unmanned aerial vehicle monitoring module is used for acquiring video data and picture data in real time; the YOLO model training module is used for training a YOLO deep learning model based on the picture data; the model deployment module is used for deploying the trained YOLO deep learning model to a local terminal; the back-end program module is used for carrying out real-time garbage overflow detection on a detection site based on the trained YOLO deep learning model; and the user interface module is used for displaying the garbage overflow detection result to a user and carrying out data analysis and subsequent garbage overflow processing decision.

The utility model discloses a through netlike inhaul cable large-span arch bridge design and construction device which comprises a bridge floor, arch ribs and air cylinders, the arch ribs are arranged on the bridge floor in a bilateral symmetry mode, straining beams are correspondingly arranged on the left side and the right side of the bridge floor, a plurality of inhaul cables are arranged between the straining beams and the arch ribs, the inhaul cables are crossed to form a netlike structure, and the air cylinders are detachably arranged on the tops of the straining beams. The driving end of the air cylinder is connected with the bottom of the inhaul cable which is telescopic through the air cylinder. A plurality of air cylinders are installed at the top end of the straining beam, the air cylinders are connected with the tail ends of the inhaul cables to stretch out and draw back the inhaul cables, the inhaul cables stretch out and draw back to adjust pulling force between the arch rib and the straining beam, a better stable structure is achieved, and installation is convenient and fast. The fixed seat of the cylinder is detachably combined, so that the maintenance, assembly and disassembly are convenient, and daily maintenance is convenient; end cross beams are arranged at the front end and the rear end of the bridge floor, cross-shaped cross beams and longitudinal beams are arranged in the middle, and orthogonal special-shaped plates are poured, so that the bridge floor is stable and does not need to be supported by bridge piers; the device is novel in structure, high in practicability and suitable for popularization.

The utility model relates to flaxseed raw material processing technical field provides a flaxseed raw material sorting device, including device body, still include: sorting subassembly is set up in the top of device body, sorting subassembly includes: two support frames are all fixedly set up in the top of device body, sorting cylinder is set up in the inside of two support frames, the utility model discloses, when using, through the setting of slide rail and stirring paddle structure, not only make sorting cylinder can carry out clockwise rotation to utilize centrifugal force and inertia and separate impurity and flaxseed, relatively big impurity (such as chippings, stone and so on) are left in sorting cylinder, relatively small and the flaxseed that meets the specification is discharged through sorting hole, and the anticlockwise rotation of stirring paddle can ensure that flaxseed is fully agitated in sorting cylinder, promotes the uniform distribution of flaxseed, makes it more easily discharge through sorting hole, improves the precision and efficiency of sorting.

The present invention discloses a device for preventing and controlling impact ground pressure in a coal mine tunnel, and relates to the field of coal mine safety technology, comprising an impact-proof rod member penetrating into the interior of the coal mine tunnel, wherein the outer end of the impact-proof rod member is fixed to the surface of the coal mine tunnel through an anchor seat, and an anchor net connected to the outer end of the impact-proof rod member is arranged on the surface of the coal mine tunnel, the impact-proof rod member comprises an anchor rod and an outer fixed tube, an impact-proof rod and an inner fixed tube which are sleeved outside the anchor rod and are sequentially connected and arranged from the outside to the inside, the impact-proof rod comprises a tube section 1 and an elastic supporting mechanism, a circumferentially distributed raised curved strip is arranged in the middle part of the tube section 1, a trapezoidal block is arranged on the inner surface of the raised curved strip, and the elastic supporting mechanism is used for elastically supporting the trapezoidal block; in the present invention, an expansion-type impact-proof rod member is designed, which has an air pressure-assisted elastic energy-absorbing buffer structure, and an elastic buffer structure of elastic deformation of the raised curved strip and the elastic supporting mechanism, so that the impact ground pressure of the coal mine tunnel can be absorbed in time.

The invention relates to the technical field of chemical industry park energy supply, and discloses a chemical industry park production centralized energy supply optimization system. The system comprises an energy conversion station, an energy supply pipeline, an intelligent energy management station, a central control room and a signal instruction transmission line. A combined heat and power generation device and a waste heat recovery device are arranged in the energy conversion station; the energy supply pipeline is of a double-layer structure, the inner layer is corrosion-resistant alloy, the outer layer is high-strength alloy steel, and a buffer heat insulation layer is arranged in the middle. A pressure transmitter, a cut-off valve and an emergency emptying valve are arranged on the pipeline and are connected with a central control room through a signal line; an energy sensor is arranged on the production device and is connected with the intelligent energy management station; and a regulating valve and a flow meter are also arranged on the pipeline. The double-layer pipeline structure is combined with a real-time pressure monitoring and emergency processing mechanism, so that the energy supply safety is remarkably improved; through combined heat and power generation, waste heat recovery and intelligent energy distribution, the comprehensive utilization rate of energy is increased to 78%-82%; and the production stability is guaranteed through accurate regulation and control, and the defective rate of products is effectively reduced.

The invention provides a fire alarm system control box of a nuclear power plant and a fire alarm system. The fire alarm system control box comprises a box body fixed on a wall body; the shielding layer is fixed on the inner wall of the box body; the output module is fixed in the box body; the output module is electrically connected with the signal input line and the signal output line to form an alarm loop. The output module receives fire alarm signals through the alarm loop. The output module is electrically connected with the power input line and the power output line to form a power supply loop which is used for supplying power to the output module. The output module is further electrically connected with the alarm circuit and the audible and visual alarm to form a control loop, and the output module controls the audible and visual alarm to give an alarm through the control loop when receiving the fire alarm signal. According to the fire alarm system control box of the nuclear power plant and the fire alarm system, the radiation shielding effect of the control box can be improved.

The utility model discloses a fish oil mixing filter device with spiral heating pipe. Including heating assembly, stirring subassembly, filter component and feeding assembly. Heating assembly has open heating bucket and spiral heating pipe, stirring subassembly contains mixing cavity, hollow oil pipe, rotating electrical machine, rotating shaft and stirring blade, filter component is constituted by filter bucket, lifting platform and filter baffle, and the first oil inlet pipe and second oil inlet pipe of feeding assembly are connected with crude oil tank and lye pool respectively. The device integrates multiple component functions, heats up quickly and evenly, the spiral heating pipe increases the heat exchange area, solves the traditional heating malady, the mixing and filtering are integrated, the transfer link is saved, the oxidation risk and the viscosity increase problem are reduced, the filter and the maintenance are optimized, the convex design and the liftable platform can separate, replace and clean the filter material, the oil inlet pipe is beneficial to the accurate proportioning and initial mixing. The device is suitable for refining fish oil and other materials, has multiple advantages, effectively integrates the function and has remarkable benefits.

This utility model relates to a material discharge transition device for a sheet metal gluing machine, comprising a horizontal conveyor frame rotatably connected to a support. Both ends of the horizontal conveyor frame are fixedly connected to a tilting plate, which is rotatably connected to the support via the tilting plate. A driving cylinder is provided on the side of one of the tilting plates to drive its rotation. A gluing roller is provided at the feeding end of the horizontal conveyor frame. A transition roller is provided between the horizontal conveyor frame and the gluing roller. Several transition wheels are spaced along the length of the transition roller, and all transition wheels are coaxially sleeved on the transition roller. The transition roller rotates in the same direction as the gluing roller near its end. This material discharge transition device for a sheet metal gluing machine has a simple structure, is easy to maintain, and has a high yield rate.

This application relates to the field of cable installation technology and discloses a support structure for cable installation in power construction. The structure includes a mounting bracket with a groove on its outer surface. A matching sliding sleeve slides along the groove. A reinforcing bar connects the two mounting brackets, and a cable routing rod is detachably mounted inside the reinforcing bar. Several winding rods are staggered on both sides of the cable routing rod. This application achieves rapid fixing and flexible adjustment of the bracket through positioning kits and mounting blocks, adapting to various installation scenarios. The groove and sliding sleeve, combined with bolts, meet different wiring requirements. The reinforcing bar securely connects the two brackets, and the fastening design of the cable routing rod, positioning groove, and threaded rod ensures structural stability and ease of maintenance. The winding groove of the winding wheel, combined with the winding rod, facilitates cable winding, organization, and positioning, preventing cable tangling. The modular and detachable design of each component makes installation, adjustment, and maintenance more convenient and efficient.

This invention discloses a high-power pulsed radiation source based on low-dimensional nanomaterials, belonging to the field of pulsed radiation sources. It includes an integrated base, a lamp head, and internal core functional units. The lamp head has an emission window, a fan-shaped lamp cover, and a cleaning rod. Through an operating ring linked to a gear ring, gears, and a worm gear structure, the opening and closing of the lamp cover and the cleaning of the window can be achieved synchronously. The sealed emission window can isolate dust and moisture. The power supply unit, pulse drive unit, low-dimensional nanomaterial emission module, and radiation control unit within the integrated base work collaboratively. The power supply unit provides dual-path power, the pulse drive unit transmits excitation signals and receives feedback, the emission module generates pulsed radiation, and the control unit achieves timing matching through a synchronization signal. This invention is easy to operate and maintain, ensuring both the cleanliness of the emission window and the safety of internal components, while also improving the stability and power of the pulsed radiation output, solving the problems of cumbersome maintenance and insufficient coordination in existing technologies.

The application relates to a powder discharging and static electricity removing structure and a bean grinder. The bean grinder is provided with the powder discharging and static electricity removing structure. The powder discharging and static electricity removing structure comprises a powder discharging channel. A first plasma generator assembly capable of removing static electricity of powder in a cavity of the powder discharging channel is arranged at the top end of the powder discharging channel. A powder receiving hopper capable of receiving the powder falling from the powder discharging channel is arranged at the bottom end of the powder discharging channel. The powder discharging channel of the bean grinder is separated from the coffee brewing device, so that the powder discharging channel of the bean grinder is not prone to damp, and the amount of residual powder is reduced. The powder receiving hopper is arranged between the powder discharging channel of the bean grinder and the coffee brewing device. The powder receiving hopper can control the floating powder and also can be used as a special powder receiving container for testing the powder discharging precision of the bean grinder, so that one thing has two uses, and the method is convenient and efficient. The static electricity removing device is arranged at the powder discharging joint, so that the floating powder can be prevented, the surrounding environment can be disinfected and killed, and the food safety is effectively ensured.

The present invention relates to the technical field of parts of precision mechanical equipment, and discloses a high-precision hollow rotating platform, comprising a fixed seat, an inner cavity of the fixed seat is provided with a hollow cylinder platform, two cross roller bearings are fixedly connected to the side wall of the hollow cylinder platform, the cavity wall of the fixed seat is provided with two annular embedding grooves, the outer rings of the two cross roller bearings are respectively embedded in the two annular embedding grooves and fixed, the top and bottom of the inner ring of the cross roller bearing and the top and bottom of the outer ring have a height difference, and the inner ring side wall protrudes out of the outer ring and fits with the wall of the fixed seat, and the two cross roller bearings are used to evenly share the load force borne by the hollow cylinder platform; the present invention connects the hollow cylinder platform with the fixed seat by providing two cross roller bearings, and the weight borne by the device after installation can be evenly distributed to the two cross roller bearings, thereby improving the load force of the device, and also avoiding the single cross roller bearing being subjected to a large weight, resulting in increased friction and affecting the transmission accuracy.

The utility model provides a detachable connecting component for sandwich panels, the connecting component is used for fixing the convex end of a first sandwich panel on a wall purline, the connecting component comprises a fixing piece, a first fastening piece and a decorating piece, the fixing piece comprises a fixing part, the fixing part comprises a fixing plate and two support plates arranged on the fixing plate, and the first fastening piece is arranged on the fixing plate. The two supporting plates extend from the fixing plate to the same side of the fixing plate to form openings, one supporting plate abuts against the long edge of the concave end, the other supporting plate is arranged at the notch of the convex end, a mounting hole is formed in the fixing plate, and the first fastener penetrates through the mounting hole in the opening direction to fix the fixing part, the first sandwich panel and the wall purline together. The decorating part is used for shielding the opening; the local detachable function of the adjacent sandwich boards is achieved, the installation process is simple, convenient and rapid, maintenance, replacement or adjustment of the internal structure becomes more convenient and efficient, and the service life of the sandwich boards is prolonged.

The utility model belongs to financial equipment technical field discloses a kind of financial self-service equipment.The financial self-service equipment includes cabinet, cash handling device, safe and locking mechanism, cabinet is provided with open mouth, cash handling device has the working position inside cabinet and maintenance position by the open mouth extending cabinet relative to cabinet movement;Safe is set in the lower of cabinet, and locking mechanism includes first lock catch and first electric control lock, and first electric control lock includes first lock hook, and first lock hook is used to when cash handling device is located in working position with first lock catch clamping cooperation, to lock cash handling device in working position.This financial self-service equipment separates first lock hook and first lock catch, just can cash handling device be moved to maintenance position, after completing maintenance, cash handling device is moved to working position, first lock hook and first lock catch clamping cooperation, ensure the stability of cash handling device.The financial self-service equipment maintenance step is less, and maintainability is good.

The utility model discloses an automatic feeding device for plastic product processing, including transmission link and baffle, transmission link is through the front and rear both ends of distributing roller and is connected with distributing roller sliding, and the outer surface of distributing roller is opened with a plurality of insertion slot in the circumference array, and one end of baffle is located in the inside of insertion slot and is connected with insertion slot sliding, and distributing roller is located in the inside of distributing bin, and the surface of one end of baffle towards distributing bin is equipped with brush, the utility model discloses the combination design of insertion slot on the surface of distributing roller and baffle, can flexibly increase or decrease the number of baffle and adjust interval angle, and the inside space of distributing bin is divided quickly, realizes accurate intermittent feeding, when baffle rotates with distributing roller, can evenly separate raw materials, and cooperate brush to clean the remaining of distributing bin inner wall, both ensure that the feeding quantity is stable and controllable, and adapt to the feeding demand of different processing scene, and the practicality improves obviously.

The utility model discloses an electric energy meter shell assembly structure, including bottom shell, left upper cover, right upper cover and slide lock pin. Bottom shell is equipped with the outlet hole, the connecting step and the inlay groove, left upper cover has the elastic connecting piece, the pressed part, the inlay step and the connecting groove, and the right upper cover both sides wall is equipped with the plugboard, the compression part and the lock hole, and slide lock pin is installed in the bottom shell insertion slot side wall. When assembling, left upper cover cooperates through inlay step and inlay groove, connecting groove and connecting step and bottom shell, and right upper cover plugboard inserts into insertion slot, and compression part tightens pressed part, and slide lock pin inserts into lock hole and realizes right upper cover and bottom shell locking. This structure discards screw fastening, realizes quick assembly and disassembly, and each component cooperates and forms stable connection, guarantees shell leakproofness and protective property, reduces maintenance cost, and effectively satisfies the demand of electric power industry to electric energy meter high efficiency, reliable operation.

This invention relates to a low-voltage photovoltaic-storage-charging protection circuit based on relay status feedback, comprising a photovoltaic-storage-charging EMS system, a power grid system, and a photovoltaic system. The photovoltaic-storage-charging EMS system communicates bidirectionally with the latter two via an RS bus. The power grid system includes a control circuit and a first distribution cabinet for connecting to the power grid. The photovoltaic system includes a photovoltaic input relay control circuit and a battery relay control circuit, both connected to the DC bus. On the photovoltaic side, a first current sensor connects to a combiner box and an inverter. The inverter is connected to the photovoltaic panels. The combiner box is also connected to a crystal oscillator circuit communicating with the RS bus via a DC-DC isolated power supply. On the battery side, a second current sensor connects to an energy storage converter and a battery pack. The battery pack includes parallel-connected energy storage batteries and a cycle battery. The cycle battery also supplies power to the charging pile, which is connected to the DC bus via a second distribution cabinet. The system achieves circuit protection through relay status feedback and current monitoring.

The utility model relates to the technical field of double spindles, and discloses a double-spindle box body structure which comprises a spindle box, a fixing piece, a driving assembly and a machining assembly, and the interior of the spindle box is in sliding fit with a guide block of the fixing piece through a guide groove to provide accurate installation. A main shaft hole and an auxiliary shaft hole are used for installing a first main shaft, a second main shaft, a movable groove of a driven shaft fixing piece and a main shaft auxiliary ring to form a rotating pair, stable rotation of the main shafts is guaranteed, in the driving assembly, a servo motor achieves constant-speed reverse rotation of the first main shaft and the second main shaft through a motor synchronous belt, a synchronous gear and a gear synchronous belt, and the machining stability is improved. Power is transmitted to the driven shaft through meshing of the transmission gear and the driven gear, a fixed machining part of the machining assembly is precisely in butt joint with positioning grooves in the front ends of the main shaft and the driven shaft through a fixing ring, when a machining cutter is installed in a fixing end, cutting can be conducted, symmetrical layout is adopted, a plurality of parts can be machined at the same time, the machining period is shortened, and the structure is convenient to maintain.

The utility model relates to the technical field of turbidity point test equipment discloses a novel turbidity appearance detector, including fuselage, the inside setting of fuselage has adjusting assembly, adjusting assembly includes air cylinder, the air cylinder outer wall fixedly connected in the inside of fuselage, the air cylinder output fixedly connected with fixed block no.

The utility model discloses phenolic resin processing equipment capable of improving uniformity, and relates to the technical field of phenolic resin processing, the phenolic resin processing equipment comprises a stirring mechanism, the bottom of the stirring mechanism is provided with a vibration mechanism used for improving the uniformity of phenolic resin, and the vibration mechanism comprises a buffer assembly arranged at the bottom of the stirring mechanism; the cam assembly is arranged at the bottom of the stirring mechanism and comprises a double-shaft motor, and motor shafts are rotationally mounted at the two ends of the double-shaft motor; the connecting assembly is arranged at the bottom of the stirring mechanism, the double-shaft motor operates to drive motor shafts at the two ends to rotate synchronously, the motor shafts drive the cams to rotate with the motor shafts as the axes, and therefore the vibrating plate is driven to move up and down between the upper buffer springs and the lower buffer springs, and the stirring mechanism vibrates through four connecting rods; therefore, a micro-vibration effect can be generated in the stirring process of the stirring mechanism, the agglomeration phenomenon among resin particles can be broken, and the resin particles can be more uniformly dispersed in the stirring barrel.

The utility model discloses a modularization easy maintenance electric energy meter belongs to the electric energy meter technical field, the electric energy meter comprises a support seat, a metering module, a communication module, a display module and a connecting assembly, one side of the support seat is hinged with a protective cover, one side of the support seat is fixedly provided with a connecting seat, the top end of the connecting seat is provided with a plurality of installing grooves, and the installing grooves are connected with the connecting seat. The metering module, the communication module and the display module are slidably mounted in the corresponding mounting grooves, and the connecting assembly is composed of first connecting parts arranged at the bottom ends of the inner walls of the mounting grooves and second connecting parts arranged at the bottom ends of the metering module, the communication module and the display module. And the first connecting part and the second connecting part are inserted and electrically connected. The electric energy meter is convenient to maintain and flexible in function.

The invention provides a user tag storage method, a storage medium, a program product and a bank system. A target system comprises a plurality of nodes with a hierarchical relationship, each node corresponds to a plurality of user tags, and the method comprises the steps that the tag number of all nodes in an ancestor chain of each bottom layer node is determined according to the mapping relationship between the nodes and the number of the user tags and the hierarchical relationship, and the bottom layer node is the node located at the bottommost layer in the hierarchical relationship; and storing the user tags corresponding to the ancestor chains into at least one storage structure according to the tag quantity corresponding to each ancestor chain and a preset threshold, so that the total quantity of the user tags stored in each storage structure is smaller than or equal to the preset threshold. The problem that the service performance is reduced due to the storage mode of the current user tag is solved, and the service performance is effectively improved.

The utility model discloses a vertical filter feeder pipe damping device, including the air inlet pipe of setting in the feeder pipe and being close to the feed valve, air inlet pipe one end is connected the feeder pipe, the other end sealed connection U -shaped pipe, U -shaped pipe free open end is exposed to the washing liquid liquid level above the washing liquid tank, and the curved lower section is soaked in the washing liquid and is provided with micropore, is equipped with the one-way valve of being close to U -shaped pipe and the normally open valve of being close to the feeder pipe on the air inlet pipe. After feeding is completed, the feeder pipe forms vacuum, and the one-way valve opens, and air is rapidly entered through U -shaped pipe and eliminates vacuum, and simultaneously drives a small amount of washing liquid to clean the pipeline, and after air pressure balance, the washing liquid is supplemented automatically through the micropore. The device has small air flow resistance, stable cleaning, convenient maintenance, effectively prolongs the service life of equipment, and has strong adaptability.

The invention discloses an ultrahigh-precision eight-shaft hydraulic servo system, which relates to the technical field of bending machines, and comprises a large pump, a large servo motor, a small pump, a small pump servo motor, a pressure sensor, an integrated block, a prefill valve, a two-position three-way electromagnetic directional valve, a three-position four-way electromagnetic directional valve, a two-position four-way electromagnetic directional valve, an oil cylinder, a sliding block and a workbench, an oil suction port of the large pump is communicated with the oil tank through a pipeline, an oil outlet of the large pump is communicated with the integrated block, an oil suction port of the small pump is also communicated with the oil tank through a pipeline, an oil outlet of the small pump is communicated with the integrated block, a D port of the integrated block is connected with a lower cavity of the oil cylinder, and a U port of the integrated block is connected with an upper cavity of the oil cylinder; according to the system, the small-displacement servo pump set is additionally arranged, when the sliding block is close to the target value, the small-displacement servo pump set is switched to, accurate positioning of the sliding block is achieved through forward and reverse rotation of the servo motor, energy loss and the heating value of the system are reduced, and energy conservation and environment protection are achieved.

The utility model relates to fire fighting equipment technical field especially a kind of direct-regulation type explosion-proof pressure switch, including box body, microswitch and wiring terminal row being arranged in box body, and transmission mechanism being arranged on box body and being matched with microswitch, the transmission mechanism is mainly by connecting base, diaphragm, top rod and adjusting component constitute, by directly rotating gland can linearly change the pre-compression amount of spring, to realize the accurate, stepless regulation of action pressure, by the utility model can realize stepless regulation to pressure switch action pressure, not only greatly simplify the adjusting operation steps, also make debugging and maintenance more convenient and efficient.

The application discloses a valve front-end filter assembly and relates to the technical field of valve front filtration. The valve front-end filter assembly comprises a mounting pipe, two connecting pipes which are symmetrically connected to the two ends of the mounting pipe in a rotating mode, a water inlet pipe and a valve front pipe which are respectively arranged at the other ends of the two connecting pipes, flanges which are arranged between the connecting pipes and the water inlet pipe and between the connecting pipes and the valve front pipe, a filtering mechanism and a mounting mechanism. When blockage occurs in the lower filtering bin, the mounting pipe can be rotated to drive the two filtering bins to exchange positions, the filtering bin at the lower position is automatically opened for use, the filtering bin at the upper position and the water outlet pipe are automatically closed, liquid is prevented from entering, the fixing of the mounting seat is automatically released, the mounting seat can be rotated to open the filtering bin at the upper position, the filtering cylinder can be replaced, the filtering cylinder can be conveniently replaced, and the use of the valve is not affected by manual cutting of the two ends of the filtering cylinder.

The utility model relates to a combined reactor. The combined reactor comprises four groups of single-phase reactors, a base and a coaming, the four groups of single-phase reactors are mounted in the coaming, and the four groups of single-phase reactors and the coaming are mounted on the base; wherein each group of single-phase reactors comprises two or more than two center pillar iron cores, coils wound on the center pillar iron cores, an upper iron yoke, a lower iron yoke, a top plate and a connecting bolt; the upper iron yoke and the lower iron yoke are installed at the two ends of the two or more center pillar iron cores respectively, and the upper iron yoke and the lower iron yoke form a magnetic path with the two or more center pillar iron cores. A lower clamping piece is arranged on the lower iron yoke, a top plate is arranged on the upper iron yoke, and a connecting bolt is connected with the top plate and the lower clamping piece. The top plates of the four groups of single-phase reactors are sequentially connected through top plate connecting pieces; the busbar is connected with the wire inlet end and the wire outlet end of the coil, and the coaming is provided with a mounting hole for accommodating the busbar. The inductor solves the problems that an existing inductor is inconvenient to disassemble and assemble and poor in heat dissipation effect.