43results about How to "Reduce the total mass" patented technology

The invention discloses an impact type rotating wheel hollow water bucket structure and a manufacturing method thereof, and relates to the technical field of hydroelectric power generation, in particular to the manufacturing method of the impact type rotating wheel hollow water bucket structure, which comprises the following steps: S1, preparing an impact type rotating wheel hub and a water bucket root solid area through forging, milling, polishing and other process means; s2, calculating a water bucket hollow part model through the working stress of the rotating wheel; and S3, the prepared rotating wheel hub is clamped to a positioner, and according to the model calculated in the above steps, the additive manufacturing of the rotating wheel hollow water bucket is achieved by continuously and cooperatively adjusting the spatial position of the rotating wheel and the posture of a welding gun. The invention has the advantages of reducing the weight, improving the stability, reducing the inertia, prolonging the service life, saving the cost, promoting the sustainable development, optimizing the structural design, improving the performance, improving the efficiency, reducing the energy consumption, being convenient to manufacture and maintain and enhancing the adaptability.

The present invention discloses a novel sandwich structure automobile front anti-collision beam and assembly, the anti-collision beam comprises a tubular aluminum alloy shell, the shell is provided with aluminum foam, two-layer lattice structure and honeycomb structure inside, the honeycomb structure is filled between the two-layer lattice structure, the two-layer lattice structure comprises a first lattice structure arranged on a side away from the automobile, the first lattice structure comprises a plurality of interconnected first unit cells in the shape of a structure, and the aluminum foam is filled in the gap between the two-layer lattice structure and the inner wall of the shell. The present invention has the advantages of absorbing impact energy, reducing impact peak force and being conducive to achieving lightweight of automobiles.

The invention discloses a universal spindle balancing device and rolling mill equipment. The universal spindle balancing device comprises a base, an upper supporting mechanism, a lower supporting mechanism, an upper balancing hydraulic cylinder, a lower balancing hydraulic cylinder, an upper balancing lever and a lower balancing lever. A first connecting part and a second connecting part are respectively arranged on two sides of the base; the upper supporting mechanism and the lower supporting mechanism are arranged above the base in parallel and between the first connecting part and the second connecting part; the upper balance hydraulic cylinder and the lower balance hydraulic cylinder are arranged on the first connecting part in a staggered mode. One end of the upper balance lever is hinged with the rod head of the upper balance hydraulic cylinder, the other end is hinged with the second connecting part, and the middle part is hinged with the upper supporting mechanism; one end of the lower balance lever is hinged to the rod head of the lower balance hydraulic cylinder, the other end is hinged to the second connecting part, and the middle of the lower balance lever is hinged to the lower supporting mechanism. According to the universal spindle balancing device, the position of the balancing hydraulic cylinder is redesigned, and the stress structure of equipment is optimized, so that the equipment is convenient to maintain and repair, and the maintainability is improved.

The invention relates to the field of insulator robots, in particular to an insulator metamorphic robot mechanism based on secondary metamorphism and a using method, and a secondary metamorphic clamping mechanism comprises a secondary metamorphic clamping mechanism and a metamorphic epicyclic bevel gear train clamping mechanism. The secondary metamorphic clamping mechanisms are arranged at the far ends of the metamorphic epicyclic bevel gear train clamping mechanisms and used for clamping insulator umbrella skirts, the metamorphic epicyclic bevel gear train clamping mechanisms are used for clamping insulator steel caps, and the two sets of secondary metamorphic clamping mechanisms achieve clamping jaw rotation and clamping jaw movement in the metamorphic epicyclic bevel gear train clamping mechanisms through epicyclic bevel gear trains. In the clamping process, a clamping jaw of the secondary metamorphic clamping mechanism moves to drive the secondary metamorphic clamping mechanism to complete clamping of an insulator umbrella skirt and then continuously moves to complete clamping of an insulator steel cap, finally the robot is fixed to an insulator chain, the adaptability to the size of an insulator is high, the stable clamping capacity is provided, and the working efficiency is improved. The robot is protected against deviation when moving on the insulator chain, and the stress condition is good.

The utility model discloses a boss type four-rod stretch-draw integral structure tent which comprises a tent bottom installation frame and a tent top installation frame, detachable first pull ropes are arranged at the four corners of the tent bottom installation frame and the four corners of the tent top installation frame, and second L-shaped supporting rods are fixedly installed at the positions, close to the two ends, of the front end of the tent top installation frame. First L-shaped supporting rods are fixedly mounted at the positions, close to the two ends, of the rear end of the tent bottom mounting frame, detachable second pull ropes are arranged between the first L-shaped supporting rods and the second L-shaped supporting rods, and detachable side supporting rods are arranged at the positions, close to the four corners, of the upper surface of the tent top mounting frame. According to the tent with the boss type four-rod tensioning integral structure, an original complex supporting rod type structure can be replaced, the number of parts is reduced, the total mass of the tent is greatly reduced, the tent can be erected more rapidly and conveniently, and the time for erecting the tent is shortened.

The embodiment of the utility model discloses a battery device, an energy storage device, an energy storage system and a charging network. The battery device comprises a plurality of battery cells, wherein a pressure relief mechanism is arranged on the wall part of a shell of each battery cell; the discharge pipeline comprises a gas collecting pipe, the gas collecting pipe comprises a first area and a plurality of second areas, the first area and the second areas are oppositely arranged along the thickness direction of the wall part, the second areas are second through holes or weak areas, and the plurality of second areas are in one-to-one correspondence with the pressure relief mechanisms of the plurality of single batteries; the plurality of pressure relief mechanisms are arranged in the second area, so that emissions discharged by the plurality of pressure relief mechanisms enter the gas collecting pipe through the second area; and the heat insulation piece covers the first area. According to the battery device, the energy storage device, the energy storage system and the charging network, the reliability and the stability of the battery device can be improved.

The utility model relates to the technical field of medical equipment in the intravenous distribution center, and discloses an electric booster for a disposable syringe, which comprises a shell, an electric push rod, a push head and a battery, a needle tube mounting groove is arranged at the top of the shell, a needle head clamping groove is arranged on an end plate of the needle tube mounting groove, clamping wing clamping grooves are respectively arranged on two side plates of the needle tube mounting groove, and the electric push rod is arranged in the clamping wing clamping grooves. The electric push rod is fixedly installed in the shell on the lower side of the needle tube installation groove, the telescopic end of the electric push rod is located at the end away from the needle head clamping groove, the push head is fixedly installed at the end of the telescopic end of the electric push rod, a pintle clamping groove is formed in the push head, and the battery is installed in the shell on the lower side of the electric push rod. The control switch is electrically connected with the battery and the electric push rod. The novel medical infusion support is small in size, light in weight, convenient for medical staff to operate, suitable for clinical requirements, capable of improving working efficiency, reducing working intensity, saving consumable cost and reducing the incidence rate of occupational diseases.

The invention relates to the technical field of electric vehicle wheel power generation, in particular to an electric vehicle wheel-driven intelligent electronic battery device which comprises an electric vehicle wheel shell, and a hollow axle installed on an electric vehicle transmission shaft is arranged at the axis of the electric vehicle wheel shell. An electric energy recovery assembly which generates current and recovers electric energy through mechanical energy generated when the wheel rotates and brakes is arranged on the inner side of the electric wheel shell, the electric energy recovery assembly comprises a plurality of permanent magnetic strips which are arranged on the two sides of the interior of the electric wheel shell respectively and distributed in a circumferential array mode, and every two adjacent permanent magnetic strips are arranged to be N and S, every two adjacent permanent magnetic strips are fixed through epoxy resin glue in an adhesive mode. The self-sufficiency of the electric vehicle is improved, the vehicle does not need to be externally charged within a long time, the energy recovery efficiency is improved, the dependence of the electric vehicle on external charging is reduced, energy waste is reduced, and the situation that the actual endurance of the electric vehicle is not obviously improved due to the fact that the recovered energy is limited is avoided.

The utility model discloses a miniature thermoelectric refrigeration system for a miniature heating assembly, which relates to the technical field of infrared detection equipment and comprises a flat plate type evaporator, a foamy copper heat pipe radiator, a micropump, a liquid storage device, a fan, the miniature heating assembly, a multi-stage thermoelectric refrigerator and a detector vacuum cavity packaging box. The flat plate type evaporator, the foamy copper heat pipe radiator, the liquid storage device and the micropump are sequentially connected in series through a pipeline and are arranged outside the detector vacuum cavity packaging box, and according to the scheme, by optimizing the overall structure and core assembly design of the system, the flat plate evaporator is arranged at the hot end of the multi-stage thermoelectric refrigerating unit to absorb heat; the foamy copper heat pipe radiator is used for heat dissipation, and the micropump is used for assisting the capillary phase change loop to start, so that the heat dissipation effect of the hot end of the refrigerating device is remarkably enhanced, and the size and the weight of the refrigerating system are greatly reduced.

The invention discloses a novel purifying device for disinfectant production, and relates to the technical field of disinfectant production and purification, the novel purifying device comprises a purifying tank body and a filter plate fixedly mounted in the purifying tank body, and also comprises a speed reducing pipeline which is S-shaped and is used for reducing the speed of disinfectant flowing in the filter plate; by arranging the speed reduction pipeline, the flowing direction of disinfectant flowing at the bent position in the speed reduction pipeline can be changed, the disinfectant is restrained and changes similar to circular motion, the flowing speed is reduced, and then the disinfectant entering the discharging pipe can impact a rotating plate and make the rotating plate rotate downwards; and the piston end of the telescopic rod is shortened and the reset spring is compressed, and the flowing disinfectant is secondarily decelerated by utilizing the elastic force of the reset spring, so that the impact force generated by flowing of the disinfectant is effectively and sharply reduced, and the problem that the filter plate is easy to deform due to overlarge impact force of the disinfectant entering the purification tank body is avoided.

The present invention discloses a double V-shaped liquid hydrostatic guide rail for diaphragm feedback throttling, comprising a base, a fixed guide rail, a first sliding guide rail, a slider, a double diaphragm feedback throttle, a valve seat, and a second sliding guide rail; the fixed guide rail is fixed on the base, and a first sliding guide rail and a second sliding guide rail slidably connected to the fixed guide rail are respectively arranged on both sides of the fixed guide rail, and the surfaces of the first sliding guide rail and the second sliding guide rail matching with the fixed guide rail are V-shaped, and an oil cavity is arranged on the V-shaped matching surfaces of the first sliding guide rail and the second sliding guide rail; the first sliding guide rail and the second sliding guide rail are fixedly connected to the slider, and the valve seat is fixed on the side of the slider, the left and right ends of the valve seat are connected to the first double diaphragm feedback throttle, and the right end is connected to the second double diaphragm feedback throttle; a total oil inlet hole is arranged on the valve seat, and the total oil inlet hole simultaneously supplies oil to the first and second double diaphragm feedback throttles, and the first and second double diaphragm feedback throttles jointly supply oil to the oil cavity.

The invention discloses a compression molding method for a quartz / phenolic aldehyde end of an embedded probe temperature sensor. The compression molding method comprises the following steps: molding and processing a probe temperature sensor protection bracket; packaging the probe temperature sensor; forming an end part; and machining the end part. According to the invention, the flexibility of the compression molding process, the designability of the material and the excellent ablation resistance of the quartz fiber and the phenolic resin are fully utilized, so that the problem that the operation cannot be carried out due to the characteristics of the molding process is avoided, and the preparation difficulty of a workpiece is reduced; the quartz / phenolic aldehyde composite material is adopted to replace a traditional conical metal piece to be internally arranged, so that the total mass of the end is greatly reduced; the formed product is high in size precision, good in internal quality and low in manufacturing cost, the overall pneumatic appearance structure of the end is not damaged under the condition that the requirement for normal use of the embedded probe type temperature sensor is met, and material selection and design of the end are obviously improved through force and heat test examination.

The utility model discloses a Z-shaped arm air suspension without a transverse push and a cross beam, which comprises a Z-shaped arm, a light-weight plate spring seat, an upper bridge seat, a flattened u bolt, a thickened flange nut, an integrated lower bridge seat, a light-weight limiting assembly, an air bag upper bracket, a plate spring pressing block, a clamping block, a step pin and a light-weight shock absorber upper bracket, the front end of the Z-shaped arm is provided with a large-rigidity bushing, two light-weight plate spring seats are symmetrically fixed on each of two sides of the frame, the front end of the Z-shaped arm is connected with the light-weight plate spring seats, the tail end of the Z-shaped arm is connected with the air spring assembly, and the upper end of the air spring assembly is connected with the frame; the two front Z-shaped arms are connected with one end of the middle axle, and the two rear Z-shaped arms are connected with one end of the rear axle; shock absorber assemblies are arranged on the inner sides of the middle axle and the rear axle, the upper portions of the shock absorber assemblies are connected with the frame, and the lower portions of the shock absorber assemblies are connected to the axles. The space structure of the suspension is more optimized, the number of parts is greatly reduced, the weight of the suspension is reduced, and the fuel economy of a vehicle is improved.

The invention discloses an independent suspension omni-directional wheel semi-lower bullet supply sentinel robot based on a Robomaster match, and relates to the technical field of robots, the independent suspension omni-directional wheel semi-lower bullet supply sentinel robot comprises a chassis assembly, a holder frame, a launching assembly, a radar system and a control system which are assembled together, the launching assembly comprises a launching mechanism, a semi-lower bullet supply mechanism and a bullet storage mechanism, the launching mechanism communicates with the bullet storage mechanism through the half-lower bullet supply mechanism and completes bullet supply operation. The chassis assembly includes a chassis frame and a plurality of wheel sets connected together. The chassis is reasonable in layout, compact in structure, simple and stable in structure and high in maintainability; the self-designed semi-lower ammunition supply mechanism is adopted, so that the ammunition storage mechanism is not directly connected with the launching mechanism any more, the weight of the launching mechanism is greatly reduced, and the difficulty degree of electric control debugging is reduced; and meanwhile, the independently-designed independent suspension and chassis frame is adopted, the trafficability is good, the robot adapts to different terrains of a competition field, and the autonomous movement capacity and the in-situ high-speed rotation capacity of the sentry robot are improved through the omni-directional wheels.

A driveline assembly for a vehicle including at least one primary shaft rotatable about an axis. At least one reducer assembly is coupled with the at least one primary shaft. The reducer assembly includes a sun gear rotatable with the primary shaft. A plurality of planet gears are rotatable about the sun gear. A ring is positioned about the planet gears. A planet carrier is rotatably connected to a center of each of the planet gears. An output shaft is fixed to the planet carrier. A sliding clutch fixes the ring to a ground in a high torque position to provide a gear reduction, and fixes the ring to the planet carrier in a low torque position to provide a 1:1 gear ratio. A method for operating such a driveline assembly is also provided.

The present invention discloses a 120° non-transfer integrated connector structure, including a plug housing, the plug housing including a plug end for plugging with a matching socket at the front end and a wiring terminal for connecting with a cable at the rear end, the angle between the plug end and the wiring terminal is 120 degrees, a rubber core component extending along the plug end and the wiring terminal is provided in the plug housing, a connecting terminal is provided in the rubber core component, the front end of the connecting terminal is extended along the plug end and protrudes from the rubber core component, the rear end of the connecting terminal is extended along the wiring terminal and connected with the cable; a positioning rubber core for fixing the rubber core component is also provided between the rear end of the rubber core component and the inner wall of the wiring terminal. The present invention is directly connected to the cable through an integrated terminal structure, which reduces the terminal cost and the contact resistance of the connection, and also has the characteristics of simple structure, low cost, and easy assembly and disassembly.

An object of the present invention is to provide a cover film including a support and a polymer layer, in which a mass reduction can be suppressed and peeling of an adhesive site between the cover film and an adherend can be suppressed in a case where a laminate of the cover film and the adherend is stored for a long period of time. The cover film of the present invention includes a support and a polymer layer containing a polymer, in which a surface haze of the cover film is 0.5% to 50%, and a content of an ester compound satisfying a predetermined requirement 1 in the support is 1% by mass or less with respect to a total mass of the support.

The utility model relates to the technical field of military instruments, and discloses a novel bulletproof sliding window which comprises an I-shaped plate and further comprises a main frame arranged on one side of the I-shaped plate, a partition plate is arranged in an inner cavity of the main frame, an observation opening is formed in the surface of the partition plate, a guide rail is arranged on one side of the I-shaped plate, and the guide rail is connected with the I-shaped plate. A middle frame is arranged on one side of the partition plate, and glass is arranged in an inner cavity of the middle frame. By means of the sliding strips and the pulleys, the effect of being convenient to use can be achieved, a user can push the sliding window more lightly, a gear adjusting function is achieved, the sliding window composed of the middle frame and the glass can be limited through the guide rails and the sliding bases, the whole structure is made of aluminum alloy materials, and the sliding window is firm, durable, not prone to corrosion and high in practicability. The total mass of the vehicle door window can be greatly reduced, the mass burden of the vehicle is effectively relieved, the thrust-weight ratio of the whole vehicle is increased, and the control performance of the vehicle is improved.

A method for manufacturing a composite rotating part (100) for a propulsion assembly, the method comprising:-making a fibrous preform on a mandrel (200), the mandrel having a profile corresponding to the profile of the part to be manufactured, and-densifying the fibrous preform by means of a matrix. Fabricating a fibrous preform includes forming a strip-shaped fibrous blank (140) including at least one continuous layer of fibers and at least one discontinuous layer of fibers, the fibrous blank being shaped on a mandrel, the continuous layer of fibers of the fibrous blank extending around the mandrel (200) at least one full circle.

A new intelligent dense temperature sensing self-heating battery module structure is proposed, which includes battery cell, welded aluminum row, epoxy resin plate, end baffle, side heat dissipation sealing plate, bottom plate and intelligent temperature sensing heating film. The positive and negative electrodes of the battery cell are arranged alternately in the horizontal direction. The welded aluminum row is connected in series with the positive and negative electrodes of the battery cell by welding. The epoxy resin plate is arranged between the end battery cell and the end baffle. The end baffle is connected with the side heat dissipation sealing plate and the bottom plate through the flange with mounting hole. The side heat dissipation sealing plate is provided with a flange structure and a long strip hollow structure. The end baffle, the side heat dissipation sealing plate and the bottom plate form a detachable sheet metal support. The intelligent temperature sensing heating film is in contact with the bottom plate and the battery cell. The intelligent temperature sensing heating film integrates temperature sensing contacts and control chips to achieve precise temperature control. The structure realizes efficient self-heating and precise temperature control, improves heat dissipation efficiency and structural stability, and is suitable for electric vehicles, energy storage equipment and other fields.

The utility model relates to an unmanned plane technical field, and disclose an unmanned plane flight anti -collision device, including unmanned plane main part, the four around of unmanned plane main part fixed have rotor anti -collision mechanism, the rotor anti -collision mechanism includes rotor support, one end of rotor support is fixed with motor seat, and the bottom of motor seat is fixed with station foot stand. The utility model discloses through the rotor support and rotor seat and outer buffer ring of four around distribution of unmanned plane main part, can form the protection to the four around of rotor blade through rotor seat and the top fixed top outer cover, and rotor seat and top outer cover all adopt the open -work structure, do not affect the normal driving flight of unmanned plane, reduce the quality of self simultaneously, and the elastic extension and buffer sleeve of telescopic link elastic extension and buffer sleeve of cooperation rotor seat four around ring cloth connection form the damping effect when knock, cooperate the buffer protection of four around direction of outer buffer ring, can provide multi -angle multidirectional protection in the flight process, avoid the influence that rotor is received, keep the steady flight process.

The present invention discloses a bionic nerve graft and a preparation method thereof. The bionic nerve graft includes a helical stent, a nanofiber membrane, guide fibers and hBMSC-ECM. A surface of the helical stent is coated with the nanofiber membrane, the guide fibers and the hBMSC-ECM are placed in a tube cavity of the helical stent, and the raw materials of the helical stent, the nanofiber membrane and the guide fibers are all chitosan. The preparation method includes the following steps: preparing the helical stent by a mold pouring method, coating the surface of the helical stent with the nanofiber membrane by an electrostatic spinning method, preparing the guide fibers by a template method, and filling the guide fibers and the hBMSC-ECM in the helical stent with the surface coated with the nanofiber membrane. The method provided by the method is simple and low in cost. The prepared bionic nerve graft ensures sufficient mechanical support, good compliance and guidance, provides a sufficient space for the transmission of nerve regeneration nutrients, provides microenvironment elements for nerve regeneration, and has high biocompatibility and low immunogenicity.

The invention provides a permanent magnet motor of a pole-arc segmented variable permanent magnet for an electric automobile, and belongs to the technical field of automobile motors and electric appliances. Four V-shaped grooves are evenly distributed in the rotor core in the circumferential direction, reverse V-shaped grooves are formed between every two adjacent V-shaped grooves, V-shaped grooves are formed in the outer sides of the V-shaped grooves and the reverse V-shaped grooves, first magnetic isolation grooves are formed in the inner ends of the long edges of the V-shaped grooves, second magnetic isolation grooves are formed in the inner ends of the long edges of the reverse V-shaped grooves, radial magnetic isolation grooves are formed between the long edges of the V-shaped grooves, and the radial magnetic isolation grooves are formed in the outer sides of the V-shaped grooves. The V-shaped grooves and the reverse V-shaped grooves are symmetrical about the radial magnetic isolation grooves, the pole arc of each magnetic pole is divided into three sections, the magnetic field of each section of the pole arc is provided by different permanent magnets, and the motor adopts a double-layer permanent magnet structure which comprises an outer-layer symmetrical V-shaped permanent magnet structure, an inner-layer asymmetrical V-shaped permanent magnet structure and a reverse V-shaped permanent magnet structure, so that the magnetic field of the magnetic poles is adjustable. The magnetic field distribution is more uniform, the air gap flux density harmonic content is minimum, and the torque pulsation and the motor loss are reduced.

The embodiment of the utility model relates to the technical field of vehicles, and discloses an integrated support and a vehicle. The integrated support comprises a support body, a first connecting structure and a second connecting structure are arranged on the peripheral side of the support body, and the first connecting structure, the second connecting structure and the support body are integrally formed; the first connecting structure is suitable for being connected with a vibration reduction tower of the vehicle, and the second connecting structure is suitable for being connected with a cabin longitudinal beam of the vehicle. According to the integrated support, the vibration reduction tower and the cabin longitudinal beam can be connected at the same time through one integrated support, so that the number of supports in the vehicle is reduced, the number of parts of the vehicle and the number of molds needed for manufacturing the supports are reduced, and therefore the number of the parts of the vehicle can be reduced, and the manufacturing cost is reduced. And the preparation process of the integrated bracket is simplified, and the production takt of the whole vehicle is accelerated.

A multi-start carrier power system, the design includes the power system architecture of the main power module, the auxiliary power module and the supercharged delivery module, the reusable carrier power scheme, the unified propellant type used by the main and auxiliary power systems, the simplified carrier power system, the improved reusable maintenance of the carrier power system, the realization of the multi-start function and the start number not limited by the starting device, with the multi-start, multi-reuse ability, while reducing the difficulty of power architecture design, the internal design optimizes the layout space, which simplifies the ignition system, improves the ignition reliability and stability, and the ignition number is not limited.

The invention relates to an electrode element (1) for an energy storage unit (200), having an electrode body (100) made of an active electrode material (E), wherein the electrode body (100) comprises: - at least one recess (110) on its surface or in its interior, - at least one partial volume (120) of lower density, or, - a cover material (D) that covers a surface area of the electrode body (100), at least section-wise, so that the surface area covered by the cover material (D) remains unwetted when in contact with an electrolyte. The invention furthermore relates to a production method for the electrode element and to an energy storage unit (200) and an implantable electrotherapeutic device.

The invention provides a barge type floating wind turbine platform based on a vein branch structure, which comprises a tower, a cabin fixedly arranged at the top end of the tower, wind turbine blades movably connected with the cabin and a barge type platform fixed at the bottom end of the tower, the barge type platform is a square platform, and the vein branch structure is arranged on the bottom surface of the barge type platform; the outline shape of the vein branch structure is the same as the shape of the barge type platform, the vein branch structure comprises a plurality of mutually staggered main veins and branch ribs, and the plurality of mutually staggered main veins and branch ribs form a fractal structure with a plurality of cavity gaps; the heaving stability of the barge type platform is in positive correlation with the number of fractal layers of the fractal structure; according to the barge type offshore floating platform, the excellent hydrodynamic characteristic of the giant lotus is utilized, the vein branch structure of the giant lotus is applied to the barge type offshore floating platform, the problems of large dead weight, high manufacturing cost, wave excitation sensitivity, nonlinear motion and the like of a traditional platform are solved, the system stability is improved, healthy operation of an offshore wind power system is guaranteed, and maximum utilization of wind energy is achieved.

The present application provides a rotor, a motor and a manufacturing method for a rotor, and relates to the technical field of motors. The manufacturing method comprises: assembling a plurality of plate materials, and permanent magnet elements / rotor coils together to form a rotor preform, each plate material being formed by plate-shaped fiber fabric pre-impregnated with resin, and the shape of the plurality of plate materials satisfying that: the plurality of plate materials, after being aligned and stacked together, can be matched to form a rotor body having a mounting chamber, the mounting chamber being suitable for mounting the permanent magnet elements / rotor coils; and forming a rotor after a sizing step and a curing step. A technical problem of the mass density of a rotor formed by stacking silicon steel plates is solved, and technical effects are achieved that the rotor has a low mass density, and exhibits high tensile strength when rotating at a high speed.

This invention discloses an MRI passive shimming optimization method based on the PSA-SQP hybrid algorithm, comprising the following steps: (1) Magnetic field mapping to evaluate the uniformity of the magnetic field: the magnetic field non-uniformity at a specific sampling location within the imaging area is evaluated using a magnetic field probe / camera; (2) Establishing an optimization model for passive shimming; (3) Hybrid algorithm optimization of passive shimming: combining the pattern search algorithm PSA with sequential quadratic programming SQP to find the optimal solution for the iron block in the passive shimming system. PSA is run in advance to perform a global search, obtaining elite individuals as initial values ​​for SQP optimization, and then the optimal solution for the iron block in the passive shimming system is found by running SQP. This algorithm can achieve high magnetic field uniformity and also has limitations on the weight of the shimming iron sheet. Importantly, it can achieve a sparse distribution of the shimming iron sheet.

A chlor-alkali industrial salt mud washing and dechlorination device and process, firstly, the chlor-alkali industrial salt mud is sent into a stirring and dissolving kettle, and sodium chloride concentrate and washing circulating liquid are circulated to the stirring and dissolving kettle for stirring; the stirred and dissolved material is sent into a flocculation kettle to add a coagulant aid PAM, and then sent into a clarification sedimentation tank for free sedimentation, the settled solid matter is sent into a first centrifuge for solid-liquid separation, the supernatant and the centrifuge liquid are sent into a first circulation tank, part of the sodium chloride concentrate in the first circulation tank is circulated to the stirring reactor, and the remaining part is sent to the salting section for recycling; the separated solid matter is sent into a washing machine, and the washing circulating liquid in the second circulation tank is used for washing and dechlorination, the solid matter is sent into a second centrifuge, the washing liquid and the centrifuge liquid are sent into a second circulation tank, the solid matter is landfilled or further recycled, part of the material in the second circulation tank is circulated to the stirring and dissolving kettle, and the remaining part is circulated to wash the material; the present invention realizes the washing and dechlorination of salt mud and improves the quality of resource recovery products.