34results about How to "Change the size of the magnetic force" patented technology

The invention discloses a novel tuning gas-liquid column damper with a damping and frequency dual regulation function and a structural vibration control system. The damper can be used for regulating damping and frequency conveniently, thereby achieving the optimal vibration / shock reduction effect on a controlled structural object in different construction phases under different intensities of loads. The novel damper has two characteristics, wherein one characteristic is that a damper valve which can regulate damping force is arranged on a horizontal section of a U-shaped pipe, and the damper valve is a magneto-rheological friction-type damper valve or an electromagnet friction-type damper valve; the other characteristic is that a gas column is further closed at vertical sections on the two sides of the U-shaped pipe, an air pressure regulation device is also installed, and the frequency of the damper is changed by means of regulating air pressure. The structural vibration control system is composed of at least one damper, at least one sensor used for measuring a structural vibration state and at least one controller, and can achieve the optimal vibration control effect on a structure in different construction phases under different use conditions and different intensities of imposed loads.

The invention belongs to the technical field of huge transfer, and particularly discloses a Micro LED huge transfer device and method based on an addressable electromagnetic array; the huge transfer device comprises an upper computer, a driving module array and a circuit module, wherein the driving module array is composed of a plurality of driving modules which are distributed in an array mode; an upper electrode and a lower electrode are arranged on each driving module, and an electrified electromagnet is arranged between the upper electrode and the lower electrode; the circuit module is connected with the upper computer and the driving modules separately, and is used for realizing independent control on the electric property of the electric charges of the upper electrode and the lower electrode of each driving module according to the control instruction of the upper computer, so that the magnetic force between the electrified electromagnet and the magnetic Micro LED can be changed,and the Micro LED can be picked and released. The method comprises the following steps of transferring the Micro LED to an intermediate carrier substrate; and transferring the Micro LED to a target circuit substrate by means of the device. The method disclosed by the invention can realize the patterning of the Micro LED and the selective huge transfer, and has the advantages of being convenient tooperate, high in applicability and the like.

The invention discloses a hot pot seasoning making device capable of adjusting the stirring speed based on a semiconductor. The device comprises a shell, wherein a working cavity is formed in the shell, a heating stirring barrel is fixedly arranged on the inner wall of the lower side of the working cavity, a stirring cavity is formed in the heating stirring barrel, and a seasoning release assemblyis arranged at the left end of the heating stirring barrel. According to the invention, by using a main friction wheel and a matched friction wheel, when the main friction wheel and the matched friction wheel are in friction connection at different diameters, the rotating speed of the matched friction wheel is different, so that the stirring speed of the stirrer is changed; by using a semiconductor, the resistance value can be accurately changed according to the temperature in the stirring cavity, so that electromagnetic force of an electromagnet is changed; the friction connection of the main friction wheel and the matched friction wheel at the large-diameter position is controlled, so that it is guaranteed that the stirring temperature is changed at the most suitable temperature of various seasonings, and the flavor of the seasoning is guaranteed; and by adopting a sealing sliding block, the prepared seasoning in the stirring cavity can move out of the stirring cavity by moving thesealing sliding block upwards.

The invention relates to a suction-adjustable track type wall-climbing robot comprising a robot body, a track and travelling wheels. The travelling wheels are arranged on the robot body. The track and the multiple travelling wheels are in matched connection through clamping grooves and gear teeth, and the multiple travelling wheels support the track. The suction-adjustable track type wall-climbing robot is characterized in that a plurality of mounting grooves are uniformly formed in the outer wall of each travelling wheel in the circumferential direction, and an electromagnet is embedded into each mounting groove; the centers of the travelling wheels are connected with the robot body through corresponding shafts; mounting cavities are formed inside the travelling wheels; slide rheostat bodies are arranged inside the mounting cavities; metal bars are arranged on the slide rheostat bodies; sliding pieces are slidably connected to the metal bars; one ends of the sliding pieces are connected with one side walls of the side rheostat bodies through first springs, and the other ends of the sliding pieces are connected with sleeves; first through holes are formed in the lower ends of the sleeves; and the parts, between the other sides of the slide rheostat bodies and the sliding pieces, of the metal bars penetrate through the first through holes of the sleeves.

The invention discloses a device for constituting a permanent magnet full-acting surface, comprising a micro permanent magnet and a magnetic conductor. In the invention, the permanent magnet acting surface is an upper flat surface which is composed of a plurality of micro permanent magnets with the same size (the size thereof is 18*18*18 mm-2*2*2 mm) which are in parallel arrangement in a horizontal and vertical manner tightly; the micro permanent magnets are adsorbed onto the surface of the magnetic conductor by utilizing magnetic force thereof; the polarities of adjacent two micro permanent magnets are opposite; the excitation direction of the single permanent magnet is vertical to the magnetic conductor. The device is applicable to the separation equipment of weak magnetic substances with the permanent magnet separation specific susceptibility being (15-600)*10<-6> cm<3> / g, and can also be applicable to non-metallic mineral equipment for removing weak magnetic substances. The device provided by the invention has the advantages of balanced magnetic force of the acting surface, big magnetic force of the acting surface, adjustable magnetic field strength and gradient, no loss of magnet force of the acting surface, high yield of separation, wide adaptability and the like.

The invention provides a magnetism-adjustable permanent magnet wheel. The magnetism-adjustable permanent magnet wheel comprises an inner wheel assembly, an outer wheel assembly and a peripheral limiting structure, wherein the outer wheel assembly is rotatably fixed outside the inner wheel assembly in a sleeving manner; the peripheral limiting structure is used for peripherally limiting the inner wheel assembly and the outer wheel assembly; the inner wheel assembly comprises a permanent magnet; the outer wheel assembly comprises a plurality of first magnetism isolating sections and a plurality of magnetic conductive sections; the first magnetism isolating sections are distributed at intervals in the peripheral direction of the outer wheel assembly; each magnetic conductive section is inlaid between the two corresponding adjacent first magnetism isolating sections; and the first magnetism isolating sections and the magnetic conductive sections are matched to form an outer wheel body. According to the magnetism-adjustable permanent magnet wheel, the magnetism of the permanent magnet wheel can be adjusted according to requirements of the field. The magnetism-adjustable permanent magnet wheel has the advantages of convenience in adjustment, simple structure and high safety degree.

The invention relates to the robot control technology, and provides a control platform of a soft ball robot based on magnetic fluid. The control platform comprises a frame, a moving platform arrangedon the frame and a static platform installed above the frame, the soft ball robot is located on the static platform, an X-axis moving assembly, a Y-axis moving assembly, a Z-axis moving assembly, an X-axis motor, a Y-axis motor and a Z-axis motor are arranged on the frame, the X-axis motor drives the X-axis moving assembly to move, the Y-axis motor drives the Y-axis moving assembly to move, the Z-axis motor drives the Z-axis moving assembly to move, an electromagnet is arranged on the moving platform, the moving platform is connected with the Z-axis motor through the Z-axis moving assembly, the Z-axis motor is connected to the X-axis moving assembly in series, and the two ends of the X-axis moving assembly are connected to the Y-axis moving assembly in series. According to the control platform, the electromagnet borne on the moving platform is used for generating an external magnetic field to control the magnetic fluid robot, the directional movement of the magnetic fluid robot can bemore conveniently and accurately controlled, and the unique value of the control platform can be displayed in the future complex work.

The invention provides a mechanical medicine grinder, and relates to the field of traditional Chinese medicine making. The mechanical medicine grinder comprises a grinding trough and a grinding disc rolling in the grinding trough. The mechanical medicine grinder further comprises an X-axis drive source, a stereoscopic framework composed of a base, supports and cross beams, a Y-axis damping mechanism capable of adjusting the vertical pressure of the grinding disc and a limiting device used for adjusting the height of the Y-axis damping mechanism. The grinding trough is fixed to the top of the base, the cross beams and the base are fixed through the supports, and the cross beams are located above the grinding trough. The X-axis drive source is arranged to drive the Y-axis damping mechanism to horizontally move, and then the grinding disc is driven to grind medicinal materials; the Y-axis damping mechanism is arranged, when the grinding disc carries out grinding, certain pressure is generated to the medicinal materials, and the medicinal materials are ground; and arc rails are arranged, it is guaranteed that the pressure of the grinding disc to the bottom of the grinding trough keepsconstant at any stage during medicine grinding, and therefore medicines are ground more evenly.

The utility model relates to the technical field of new materials, in particular to a capacitance variable control surface flatness detection device for new materials. The device comprises a shell, uniformly distributed positive electrodes are fixedly connected on the inner side of the bottom of the shell, and negative electrodes corresponding to the positive electrodes are fixedly connected on the outer side of the bottom wall of the shell. According to the capacitance variable control surface flatness detection device for the new material, a dielectric plate and a magnetic repulsion device are matched for use, the contraction length of the dielectric plate is controlled by utilizing the surface of the new material, and the magnetic force of the magnetic repulsion device is further changed; when the surface of the new material is flat, the magnetic block is still positioned in the middle of the movable groove and points to the middle of the standard disc; if the surface of the new material is uneven, the magnetic block deviates when being repelled by the magnetic repelling devices with different magnetic forces, and the finger block also deviates from the middle part of the standard disc so that the effect of capacitance variable hole detection is achieved, the flatness of the surface of the new material is visually obtained, the operation is simple and visual and the detection efficiency is effectively improved.

The invention discloses a magnetic adsorption type wall-climbing robot system and belongs to the technical field of automation equipment. The magnetic adsorption type wall-climbing robot system comprises magnetic conduction wheels, a vehicle body and magnetic force control devices; the magnetic conduction wheels are arranged under the vehicle body; and the magnetic force control devices are arranged in the corresponding magnetic conduction wheels and are used for controlling intensity changes of magnetic fields around the corresponding magnetic conduction wheels. By utilizing a magnetic fieldsuperposition principle, the magnetic adsorption type wall-climbing robot system controls a magnitude and a direction of the magnetic field intensity of an electromagnet by controlling a size and a direction of a current of an electromagnet coil, so that addition and cancellation of the magnetic field intensity on a magnetic pole face are achieved, the purpose of magnetic force adsorption and unloading of the magnetic guide wheels can be effectively realized, and a wall-climbing robot is convenient to dismount and unload.

The invention discloses a brake opening speed adjusting contactor which comprises a closed shell, an opening and closing mechanism, a rotating rod, a brake opening spring, a contact head spring, an insulating piece and a brake closing electromagnet, wherein the opening and closing mechanism, the rotating rod, the brake opening spring, the contact head spring, the insulating piece and the brake closing electromagnet are positioned in the closed shell; a bottom part of the opening and closing mechanism is connected with the contact head spring, a bottom part of the contact head spring is connected with the insulating piece, one end of the insulating piece is connected with the rotating rod, the brake closing electromagnet is arranged between the rotating rod and an inner wall of the closed shell, the brake closing electromagnet comprises a plurality of adjacently arranged electromagnet wire coils and a plurality of iron cores, the plurality of the electromagnet wire coils are mounted on the inner wall of the closed shell, a switch is mounted on each of electromagnet wire coil, the plurality of iron cores are mounted on the rotating rods and are opposite to corresponding electromagnet wire coils, the brake opening spring is connected between the rotating rod and the inner wall of the closed shell, and the closed shell is filled with inert gases. Via the above structure, the brake closing electromagnet in the brake opening speed adjusting contactor can be used for changing magnitude of magnetic force by adjusting the quantity of connected electromagnet wire coils, opening and closing speed of the brake closing electromagnet can be therefore changed, and cut-off overvoltage protection over the contactor can be realized because the closed shell is filled with the inert gases.

The invention discloses a flange filter for processing PVC gloves in the technical field of filters; the flange filter comprises a body, a valve mechanism, a power mechanism, a filtering mechanism, a fastening mechanism and a pressure mechanism; the valve mechanism is slidably connected to the upper side of an inner cavity of the body in a penetrating manner; the power mechanism is fixedly connected to the upper side of the right side of the outer side wall of the body through bolts, the filtering mechanism is fixedly connected to an inner cavity of the body, the fastening mechanism is connected to the bottom of the body in a penetrating and threaded mode, and the pressure mechanism is fixedly connected to the middle of the left side of the outer side wall of the body through bolts. The flange filter for processing the PVC gloves has the advantages that the flange filter is reasonable in structural design, the flow of water in the inner cavity of the body can be freely adjusted, the filtering speed of an internal filtering device can be increased and the filtering efficiency of the internal filtering device can be improved; and therefore, the equipment can work under an ideal condition.

The invention relates to a magnetic operation control apparatus comprising a transmission device and a driving device. The transmission device comprises a transmission shaft and multiple rotating mechanisms arranged on the transmission shaft, and each rotating mechanism comprises a rotating wheel and multiple magnetic members arranged on the periphery of the rotating wheel. The driving device comprises a group of driving mechanisms and a control mechanism. The driving mechanisms are arranged at the position not in contact with the peripheries of the rotating mechanisms. Each driving mechanism comprises at least one magnetic matching member corresponding to the magnetic member on the corresponding rotating wheel. Magnetic effect moment is generated through the mutual attraction of the magnetic members and the magnetic matching members, so that the rotating wheels can drive the rotating shaft to rotate. The control mechanism is connected to the driving mechanisms so as to adjust the magnetic effect distance between each driving mechanism and the corresponding rotating mechanism, so that the rotating speed can be accurately controlled.

The invention discloses intelligent weight increasing equipment. The intelligent weight increasing equipment comprises an outer cylinder, wherein a T-shaped tension block is arranged in the outer cylinder, the vertical end of the T-shaped tension block penetrates through the top of the outer cylinder, and a flange is arranged at the top of the T-shaped tension block; an iron core is arranged at the bottom of the outer cylinder, a coil is arranged on the periphery of the iron core, and the coil is connected with a power source through a slide rheostat; blind holes are uniformly formed in the iron core, and elastic parts are arranged in the blind holes; a pressure relief plate is arranged at the tops of the elastic parts, the pressure relief plate is fixed at the tops of the elastic parts, and a damping rubber pad is arranged at the upper end of the pressure relief plate. The weight increasing equipment utilizes the electromagnetic induction principle, and the electrified iron core is utilized to generate magnetism to attract the T-shaped tension block; the magnitude of current in the coil can be changed by changing the magnitude of resistance in the slide rheostat so that the magnetic force between the T-shaped tension block and the iron core can be linearly changed; the structure is compact, the occupied space is small, and compared with the prior art that the weight is increased by stacking load-bearing objects, the equipment has obvious progress.

The invention belongs to the technical field of automobile accessory machining, and particularly discloses an automobile accessory heat treatment device. The automobile accessory heat treatment devicecomprises a rack, a first cooling box, a second cooling box, a positive temperature coefficient thermistor, rotation shafts, ice leaking boxes and X-shaped brackets; the first cooling box is locatedin the second cooling box and provided with a plurality of first through holes, the brackets are located in the second cooling box, the centers of the brackets are fixedly connected with the rotationshafts, and the rotation shafts are rotatably connected to the interior of the second cooling box; the ice leaking boxes are located over the second cooling box, the bottom face of each ice leaking box is provided with a first opening, the first openings directly face the brackets, a magnetic baffle is arranged at each first opening, an electromagnet and a magnet are arranged on the two sides of each magnetic baffle correspondingly, and a limiting block is arranged on each ice leaking box; and the positive temperature coefficient thermistor is arranged in the first cooling box and electricallyconnected with the electromagnets. The heat treatment device with the structure is good in cooling effect and high in cooling speed.

The invention discloses a novel tuning gas-liquid column damper with a damping and frequency dual regulation function and a structural vibration control system. The damper can be used for regulating damping and frequency conveniently, thereby achieving the optimal vibration / shock reduction effect on a controlled structural object in different construction phases under different intensities of loads. The novel damper has two characteristics, wherein one characteristic is that a damper valve which can regulate damping force is arranged on a horizontal section of a U-shaped pipe, and the damper valve is a magneto-rheological friction-type damper valve or an electromagnet friction-type damper valve; the other characteristic is that a gas column is further closed at vertical sections on the two sides of the U-shaped pipe, an air pressure regulation device is also installed, and the frequency of the damper is changed by means of regulating air pressure. The structural vibration control system is composed of at least one damper, at least one sensor used for measuring a structural vibration state and at least one controller, and can achieve the optimal vibration control effect on a structure in different construction phases under different use conditions and different intensities of imposed loads.

The invention provides a mechanical medicine roller, which relates to the field of traditional Chinese medicine production. The mechanical medicine roller includes a milling trough and a milling disc rolling inside the milling trough, as well as an X-axis driving source; a three-dimensional frame composed of a base, a bracket and a beam; a Y-axis damping mechanism that can adjust the vertical pressure of the milling disc; adjusting the Y A limit device for the height of the shaft damping mechanism. Wherein, the milling trough is fixed on the top of the base, the crossbeam and the base are fixed by brackets, and the crossbeam is located above the milling trough. In the present invention, the X-axis driving source is set to push the Y-axis damping mechanism to move horizontally, and then drives the milling disc to crush the medicinal materials, and by setting the Y-axis damping mechanism, the milling disc can generate a certain pressure on the medicinal materials when rolling. The medicinal materials are to be crushed, and by setting the arc track, it is ensured that the pressure of the milling plate on the bottom of the milling groove is kept constant at any stage during the milling of the medicine, so that the medicine can be milled more evenly.

The invention relates to a cardiology department first-aid respiration assisting device. The cardiology department first-aid respiration assisting device comprises an oxygen tank, a respirator and a catheter connected with the oxygen tank and the respirator, wherein an adjusting mechanism is arranged on the catheter between the oxygen tank and the respirator; a nursing mechanism is connected to the catheter between the adjusting mechanism and the respirator. The adjusting mechanism comprises a control valve, a pneumatic control valve, an adjusting cavity and an exhaust valve, wherein the control valve is connected with an oxygen connector of the oxygen tank; the output end of the control valve is connected with the pneumatic control valve communicated with the adjusting cavity; one outputend of the adjusting cavity is connected with an air inlet of the respirator through a filter element, and the other output end of the adjusting cavity is connected with an air connector through an exhaust valve pipeline; the nursing mechanism comprises a medicine adding pipe, a sputum suction pipe and a water collecting cup; and the medicine adding pipe and the sputum suction pipe are side pipelines penetrating out of the catheter. The respiration assisting device provided by the invention does not need a power supply, has double functions of resuscitation and oxygen inhalation, and can meetthe use requirements of various occasions.

The invention relates to the technical field of injection molding equipment, and discloses an anti-deviation injection molding device with a magnetic block positioning structure. The anti-deviation injection molding device with the magnetic block positioning structure comprises a rotating shaft, a fixed mold and a fixed block, wherein the fixed block is located on the right side of the fixed mold. Through the arrangement of movable molds, a magnetic block I and a movable electromagnetic device I, a circular ring formed by the five movable molds can be divided into four areas, namely an injection area, a pressure maintaining area, an unloading area and a mold closing area, the direction of current introduced into the movable electromagnetic device I is switched, the direction of a magnetic field is changed, and then adsorption and boosting of the magnetic block I are completed; and when the movable molds are positioned and boosted during adsorption, the movable molds are pushed to rotate, and the fixed mold after injection is pushed to the pressure maintaining area, so that injection and pressure maintaining cooling procedures are separated and do not interfere with each other, on one hand, the injection molding efficiency is improved, on the other hand, the pressure maintaining time is prolonged, a plastic part is ensured to have enough time for cooling and shaping, and the situation that deformation after unloading is caused due to insufficient cooling time of the plastic part is prevented.

The invention discloses an electromagnetic maintaining type tin wiping device which comprises an electromagnetic device, an electric control assembly, a transition roller and graphite for wiping tin on the roller surface of the transition roller. The electromagnetic device comprises a magnetic rod and an electromagnetic coil; the magnetic rod is arranged in a magnetic field after the electromagnetic coil is electrified; when the magnetic force of the electromagnetic coil is changed, the magnetic rod moves in the direction perpendicular to the transition roller; the top end of the magnetic rod is fixedly connected with graphite; graphite is attached to the roller surface of the transition roller under the action of electromagnetic force on the magnetic rod; the electric control assembly comprises a wire and a power supply; the power supply is electrically connected with the electromagnetic coil through a wire; and a regulator for regulating the magnitude of circuit current is mounted on the wire. According to the tin wiping device, the regulator is arranged to change the magnitude of the circuit current, then the magnitude of the magnetic force of the electromagnetic coil is changed, the height of the magnetic rod is adjusted, graphite on the magnetic rod is attached to the surface of the transition roller, tin wiping is conducted, adjustment is convenient, and the tin wiping effect is good.

The invention discloses a delivery assist device for gynecological nursing. The delivery assist device structurally comprises a grip, compression rollers, an adjustable compression roller and spring type pressure reduction heads, wherein the two ends of the adjustable compression roller are movably connected with the compression rollers, and the spring type pressure reduction heads are uniformly distributed on the bottom faces of the compression rollers and the bottom face of the adjustable compression roller respectively. Compared with the prior art, the delivery assist device has the advantages that through the combined arrangement of a resistance regulator, a clamping fixing set, a permanent magnet, a metal nut pair, a metal screw, a pulley block and other parts, the adjustable compression roller is switched on by a switch to make an iron core ring powered on, an insulating rotation disc rotates, the work range of the compression rollers can be adjusted based on the Ohm's law and the magnetic theory, time and labor are saved, the adjusting difficulty factor is low, quick adjustment can be achieved, the adjusting time can be shortened, and the pain of a lying-in woman is quicklyreduced.

The invention discloses a pulsating-type body building massage water bed with data control and analysis functions. A water-filled mattress is provided with a magnetic disc pulsator and a sine wave tooth surface pulsator; the water-filled mattress is connected with a liquid inlet of a magnetic drum differential circulating pump; a liquid outlet of the magnetic drum differential circulating pump is communicated with the water-filled mattress through a pipeline. According to the pulsating-type body building massage water bed with the data control and analysis functions, all of a sine wave tooth surface differential vibration source, a magnetic disc differential magnetic attracting and rejecting vibration source and a magnetic drum differential attracting and rejecting water circulating pulsating pump have working principles and effects which are unexpected by those skilled in the art; a system can be subjected to intelligent control through a data control and analysis instrument; a pulsating combination can be optimized; intelligent body building can be realized; the requirements on body building and massage of a high-end user can be met; the market prospect is wide.

The invention relates to the technical field of textile sizing equipment, and discloses a steam sizing equipment for textile materials based on information technology, which includes a casing, the middle part of the casing is rotatably connected to a rotating shaft 1, and the outer part of the rotating shaft 1 is fixedly connected to a rotating shaft. frame, the outer periphery of the turntable is movably connected with yarn rollers, the left and right ends of the turntable are hinged with limit blocks, the left and right ends of the bottom of the casing are provided with steam inlets, and the bottom of the left end of the casing is fixed A heating device is connected, and an electromagnet 1 is movably connected inside the heating device. The steam setting equipment for textile materials based on information technology changes the amount of steam entering the shell according to the quality of the yarn rolls in different setting stages, and automatically adjusts the amount of steam introduced according to the different setting stages of the yarn rolls during the setting process. , enhance the setting effect of the yarn, the effect of all-round steam setting of the yarn roll, improve the quality of the yarn roll forming, and reduce the instability of the yarn roll forming during the production process.

The invention discloses an electromagnetic clutch water pump with an adjustable follow-up rotation speed, and relates to the technical field of automobile cooling systems. The electromagnetic clutch water pump comprises a pump body, a belt wheel and a clutch mechanism; the pump body is provided with a water pump shaft; one end of the water pump shaft is connected with an impeller; the other end ofthe water pump shaft is provided with a bearing sleeve, the belt wheel sleeves the bearing sleeve through a bearing, an end cover is fixedly connected to the belt wheel, and the clutch mechanism comprises an armature piece arranged between the belt wheel and the end cover, a spring piece connected to the armature piece, and a magnetic pole ring connected to the spring piece; the magnetic pole ring is fixedly connected with the water pump shaft so as to synchronously rotate with the water pump shaft, and a plurality of stepped holes are annularly formed in the magnetic pole ring; permanent magnets are detachably installed in the stepped holes, and an electromagnetic coil is fixedly arranged on the pump body; the electromagnetic coil is located below the armature piece, and a cooling fin isarranged on the inner top surface of the end cover; and the cooling fin is positioned above the magnetic pole ring. By designing the universal magnetic pole ring structure, the purpose of quickly adjusting the follow-up rotation speed of the water pump shaft is realized.

The invention discloses a nursing midwifery device for obstetrics and gynecology. The structure includes a handle, a pressure roller, an adjustable pressure roller, and a spring-type decompression head. and the bottom surface of the adjustable pressure roller are evenly distributed with spring-type decompression heads. Compared with the prior art, the beneficial effect of the present invention is that the adjustable pressure roller of the present invention passes through a resistance adjuster, a clamping fixed group, a permanent magnet, etc. , metal nut pair, wire rod, pulley block and other components are combined, the iron core ring is energized by opening the switch, and the rotation of the insulation turntable can adjust the working range of the pressure roller based on Ohm's law and magnetic principles, saving time Labor-saving, low adjustment difficulty coefficient, quick adjustment, short adjustment time, and faster reduction of maternal pain.

The invention discloses a novel electromagnetic wave radiation protection material decomposition generator. The generator comprises a constant temperature evaporation chamber 1, a decomposition chamber 2, an electrical heating chamber 3, an energized spiral coil 4, a collection box 5 and a tail gas treatment chamber 6. The generator is characterized in that the left end of the constant temperature evaporation chamber 1 is provided with an opening as a nitrogen channel, the energized spiral coil 4 is provided with a foam interlayer, the foam interlayer is provided with a magnetized chip, a power supply of the energized spiral coil 4 is arranged outside the generator and the spiral coil is provided with a magnet with scales. A wood electric hot plate has good heat resistance and has appropriate thickness so that weight is appropriate and quality is not influenced. Through protection gas decomposition, a reaction rate is effectively accelerated and safe decomposition is guaranteed. A foam insulating material effectively prevents helter-skelter running of currents and fire hazard is avoided. Through use of the magnetized chip with scales, magnet length is changed according to actual situation so that a magnetic force is changed and work power is adjusted.

The invention discloses an electromagnetic holding type tin wiping device, which comprises an electromagnetic device, an electric control component, a transition roller and graphite for wiping tin on the surface of the transition roller; the electromagnetic device includes a magnetic rod and an electromagnetic coil; the magnetic rod Set in the magnetic field after the electromagnetic coil is energized; and when changing the magnetic force of the electromagnetic coil, the magnetic bar moves along the direction perpendicular to the transition roller; the top of the magnetic bar is fixedly connected with the graphite; the graphite is subjected to electromagnetic force when the magnetic bar Under the action, it is pasted on the roller surface of the transition roller; the electric control component includes a wire and a power supply; the power supply is electrically connected to the electromagnetic coil through a wire; a regulator for adjusting the current of the circuit is installed on the wire, and the present invention , by setting the regulator to change the size of the circuit current, and then change the magnetic force of the electromagnetic coil to adjust the height of the magnetic rod, so that the graphite on the magnetic rod fits on the surface of the transition roller for tin wiping, which is easy to adjust and has a good tin wiping effect.

The invention discloses a device for forming a permanent permanent magnet full-action surface. The device is composed of tiny permanent magnets and magnetic conductors. The permanent-magnet action surface in the device is composed of a plurality of tiny permanent magnets of the same size (with a size of 18× 18×18mm~2×2×2mm) are arranged in close vertical and horizontal parallel, and are adsorbed on the surface of the magnet conductor by their own magnetic force, and the polarities of the two adjacent tiny permanent magnets are opposite, and the excitation direction of a single permanent magnet is perpendicular to the direction of the magnet conductor. The upper plane; the device is used for the separation of weak magnetic substances with a specific magnetic susceptibility between (15-600) × 10-6 cm3 / g, and can be used for non-metallic minerals to remove weak magnetic substances. equipment. The device provided by the invention has the advantages of balanced magnetic force on the action surface, large magnetic force on the action surface, adjustable magnetic field intensity and gradient, no loss of the magnetic force on the action surface, high separation capacity and wide adaptability.

The invention discloses a lower limb rehabilitation structure convenient to disassemble. The structure comprises a training instrument body, a connection rod and a bottom rod are connected with the lower portion of the training instrument body, and a base is arranged on the bottom of the bottom rod; an adjustment rotary knob is arranged above the training instrument body, an insulation ring is arranged in the training instrument body, a coil is arranged on the outer wall of the insulation ring in a sleeving mode, and balls are arranged on the inner wall of the insulation ring. According to thelower limb rehabilitation structure convenient to disassemble, a clamping groove is formed in the end port of one end of a first rotation shaft, and a clamping plate matched with the clamping grooveis arranged on the inner wall of a connection plate, so that the connection plate is more convenient to install and disassemble, and accordingly the rehabilitation structure is more convenient to carry; the coil is arranged on the outer wall of the insulation ring in a sleeving mode so that the rehabilitation structure can change the magnitude of magnetic force generated by the coil by changing the magnitude of the current of the coil according to the lower limb rehabilitation condition of the convalescent, and the magnitude of the rotation driving force of a second rotation shaft is changed;the lower limb rehabilitation structure has higher practicability and wider application range.