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

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 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 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 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 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 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 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 belongs to the technical field of digestive tract inspection, and discloses a wired digestive tract gastric capsule endoscope and a magnetic control device, including the endoscope and the magnetic control device, the endoscope includes an imaging module, a lighting module, a control module, a speed regulating module and a magnetic module; the magnetic control device includes a camera switch, a speed regulating switch and a magnetic control switch; each switch is connected to the control module and forms corresponding controls respectively: the camera switch synchronously controls the imaging module and the lighting module The speed control switch controls the speed control module; the magnetic switch controls the magnetic module; the imaging module includes a first camera and a second camera; the present invention provides a magnetic module and a magnetic switch, and the magnetic module includes an electromagnetic ring And the permanent magnetic ring, and the two structures are located inside the capsule endoscope, which can effectively realize the rotation of the internal structure of the endoscope with the drive of the magnetic control switch, and effectively complete the rotation image acquisition under the premise of not changing the position of the shell and the base .

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.