75results about How to "Flexible space arrangement" patented technology

The invention discloses a hub motor-based electric automobile omni-directional steering system. The system comprises a central control system, a frame, a steering wheel and left front, right front, left rear and right rear wheels of the frame, and is characterized in that the frame is connected with a hub motor through a suspension seat which is fixedly arranged on a hub motor stator, wherein a rotor of the hub motor is fixedly connected with hubs of the wheels and is provided with a brake pad with brake calipers; the wheels all cooperate to finish steering motion through an independent steering mechanism and a linkage steering mechanism connected with the suspension seat. The electric vehicle using the omni-directional steering system can realize zero radius steering and cross running, the steering flexibility of the vehicle is good, the operation such as parking is easier, and the energy and the urban parking space are saved.

The invention relates to a hydraulic-electric hybrid-driven walking robot. Electro-hydraulic mechanical cylinders or hydraulic mechanical cylinders are adopted to replace traditional piston cylinders,and a hydraulic-electric hybrid-driven mode is adopted for driving. High pressure oil is provided by a constant pressure variable pump, and the high pressure oil flows into the electro-hydraulic mechanical cylinders or hydraulic mechanical cylinders to drive all joints to rotate. Each electro-hydraulic mechanical cylinder and each hydraulic mechanical cylinder are both provided with a variable pump / motor, and the motion state of each leg is controlled by adjusting the swash plate angle of the variable pump / motors. According to the hydraulic-electric hybrid-driven walking robot, the problem ofdeficiency of large energy loss in a driving system of a traditional walking robot can be solved effectively, heating of a system is reduced, and the energy utilization rate is improved.

The invention relates to a new method for embedding a ground heat exchanger of a ground source heat pump, which is developed by a high-pressure jet grouting technology and can solve the following problems caused by current methods: the bearing capacity of a foundation of a underground pipe land is reduced; after the foundation bears a load, the foundation deforms and is easy to damage pipes, thus a space below a building cannot be sufficiently utilized; and hydraulic connections appear among water-bearing stratums. In the invention, curing agent slurries such as cement, and the like are used for jet grouting under high pressure or compulsively stirring by cooperating with the jet grouting to form solidifiable slurry to replace original soil for forming holes, and a special guider is used for inserting underground pipes into the holes or the underground pipes are simultaneously introduced at the same time of forming the holes. The method has the obvious effects of reinforcing the foundation and sufficiently utilizing the space below the building; the spatial arrangement is flexible, thus constructions can be carried out at arbitrary tilt angles; the strength of a formed reinforcing body is high, thus the underground pipes can be protected to prevent circulating liquid in the underground pipes from leaking; the reinforcing body has high bonding strength and good water isolating property with the soil stratums without breaking the water isolating property of a water isolating layer; and returned slurry in a construction process can solidify so as to be beneficial to environmental protection. The method can realize the embedding of the underground pipes below the existing buildings.

An optical imaging system includes five lens elements, the five lens elements being, in order from an object side to an image side: a first lens element having positive refractive power; a second lens element having negative refractive power; a third lens element having positive refractive power; a fourth lens element having positive refractive power; and a fifth lens element having negative refractive power.

The invention discloses an experimental device and a method for testing the performances of a tandem type hydraulic hybrid power vehicle, which belong to the experimental devices and methods for hybrid power. An engine, a constant-pressure variable pump, a central controller, a first hydraulic pump motor, a second hydraulic pump motor, a first dynamometer, a second dynamometer, a first inertial flywheel set and a second flywheel set of the device and the method are connected in a tandem way; all performances of the vehicle with different configuration ways are simulated in an actual working condition; the real running working condition of a hybrid power car is simulated through the loading and the measurement of the first dynamometer and the second dynamometer; an electric machine drives a constant delivery pump to supply a control oil source to the hydraulic pump motors; a stable control oil source is supplied to the hydraulic pump motors through adjusting the highest overflow pressure of a first overflow valve; and simultaneously, the central controller carries out coordination control on the engine, the hydraulic pump motors and the dynamometers by combining the energy storage state of an energy accumulator and measures relevant data to complete an experiment. The experimental device and the method have the advantages of convenience in operation and high integrated level.

The invention relates to a parallel-type oil-gas separator for crankcase ventilation. The parallel-type oil-gas separator for crankcase ventilation consists of a vibrating valve and a plurality of cyclone chambers, wherein the vibrating valve is arranged above at least one cyclone chamber, the vibrating valve is arranged above two cyclone chambers, the vibrating valve is of a sheet structure made of a spring steel material and is provided with an opening, the opening or the closing of the opening can be realized under the effect of external force and the vibrating valve is assembled above the cyclone chambers in a riveting or clamping way. By using the spring steel vibrating valve, the vibrating valve is enabled to have a good elastic deformation capacity and high fatigue strength and can be used under conditions of impact, vibration or long-term alternating stress. Since the plurality of cyclone chambers are arranged in parallel, the pressure loss is effectively reduced and the oil-gas separation efficiency during gas blow-by of a crankcase is improved. Since the vibrating valve and the plurality of cyclone chambers are jointly applied, the number of opened cyclone chambers can be controlled according to the blow-by amount of the crankcase of an engine under different working conditions, the oil-gas separation efficiency of the engine under different working conditions is improved and the exhaust performance of the engine is effectively improved.

The invention relates to a compound type cooling system for an engine. The compound type cooling system for the engine comprises a radiator, a circulation pipeline, an intercooler and a pipeline, wherein the radiator is used for providing refrigerants for the engine, the circulation pipeline is used for conveying the refrigerants for the engine, the intercooler is used for cooling gas output by an engine supercharger, the pipeline is used for conveying gas for the engine, an electronic control clutch fan is arranged on the radiator, a water temperature sensor is arranged on the circulation pipeline used for conveying the refrigerants, an electromotor fan is arranged on the intercooler, and a gas temperature sensor is arranged on the pipeline used for conveying the gas. The compound type cooling system is adjusted and is controlled by a logic controller, and a control circuit of the electronic control clutch fan, a control circuit of the electromotor fan, a transmission line of the water temperature sensor and a transmission line of the gas temperature sensor are connected with the logic controller. The compound type cooling system effectively solves the problem that the engine cannot normally carry out heat dissipation due to the fact that a fault of a generator occurs, the utilization rate of electric energy is improved, and space arrangement of the compound type cooling system is more flexible.

The invention relates to an ammonia gas automatic-supplying method of a solid ammonia system heated by using engine waste heat. The ammonia gas automatic-supplying method of the solid ammonia system heated by using the engine waste heat is characterized in that heating is conducted on an ammonia storage material main container and an ammonia storage material supplying container through a heating unit, when reaching a desorption temperature, ammonia materials in the main container release ammonia gas; and a pressure P1 in the ammonia storage material main container reaches a working pressure, a reducing-agent metering control unit DCU conducts metering on the ammonia gas, and the jet quantity of the ammonia gas is metered according to engine operating parameters (rotate speed, fuel consumption and the like) transmitted by an engine ECU. The ammonia gas is jetted into an exhaust pipe from the front end of an SCR catalytic converter, the ammonia gas and engine exhaust gas are mixed sufficiently, and under the effect of a catalyzer, NOx is decontaminated into harmless water and a nitrogen gas; and by utilizing the principle of the pressure difference formed between the pressure P1 in the ammonia storage material main container and a pressure P2 in the ammonia storage material supplying container, the ammonia gas automatic-supplying system convenient to achieve is designed; and the problem that the cruising capacity of an existing vehicle-mounted ammonia source is low is solved, and the ammonia gas automatic-supplying method of the solid ammonia system heated by using the engine waste heat is ingenious in idea, convenient to implement, high in reliability and good in economic efficiency.

The invention discloses a piston hinge-type variable-displacement vane pump. The vane pump comprises a pump shell, a pump cover, a pump control loop, a vane pump rotor, a vane loop and a plurality of vanes, wherein the outer surface of the pump control loop is provided with a first hinge bulge, the first hinge bulge is positioned on a hinge positioning hole of the inner surface of the pump shell, and the pump control loop swings by taking the hinge positioning hole as a base point, so that the volume capacity of the vane pump is changed, the outer surface of the pump control loop and one side of the first hinge bulge are provided with a second hinge bulge, and a piston is hinged with the second hinge bulge; a first control cavity is formed between the piston and the partial inner surface of the pump shell, the first control cavity is capable of introducing a pressurized fluid to generate pressure to move the pump control, so as to decrease the volume capacity of the vane pump, the outer surface of the pump control loop and the other side of the first hinge bulge prop against a reset spring, the reset spring resists the force of the first control cavity, so as to establish balance. The piston hinge-type variable-displacement vane pump is high in reliability, easy for realization of three-stage variable capability, long in force arm length, and small in inner frictional resistance.

The invention provides a hybrid power driving system and a vehicle, and belongs to the field of vehicle engineering. The hybrid power driving system comprises an engine, an electric motor and a hydraulic assembly. The hydraulic assembly comprises a hydraulic motor, a hydraulic pump optionally driven by the engine and / or the electric motor, the hydraulic pump is connected with the hydraulic motor through a pipeline and enables a rotor of the hydraulic motor to rotate through hydraulic transmission. The vehicle comprises the hybrid power driving system, and the rotor of the hydraulic motor is connected with wheels of the vehicle. The pipeline makes connection of the whole hybrid power driving system and spatial arrangement more changeable, and the mass is lower than that of a simple mechanical coupling power system. By using the hybrid power system, the fuel economy of the vehicle is improved.

The invention discloses a new energy automobile double-motor drive axle. The new energy automobile double-motor drive axle drive a left wheel and a right wheel on the same axle by two motors through two gear sets respectively. The double-motor drive axle is provided with two motor systems, and the motors of different powers and rotating speeds can be selected. According to the driving cycles, a vehicle control unit and a motor controller are used for controlling the rotating speeds of the motors, the working efficiency of the motors are brought into full play, and meanwhile the electronic stable control (ESC) function can be achieved. Due to drive of the two motors, the driving force of the single axle can be increased; due to the structure, no differential mechanism is needed, the structure can be simplified due to left and right independent drives, and the dead weight and cost of the traditional drive axle are lowered. Power is provided by two battery packs to the two motors, the service life of batteries is prolonged, and the using safety of the batteries is improved. The double-motor drive axle is of double-wishbone-type and MacPhersan-type suspension two structures.

An optical imaging system includes five lens elements, the five lens elements being, in order from an object side to an image side: a first lens element having positive refractive power; a second lens element having negative refractive power; a third lens element having positive refractive power; a fourth lens element having positive refractive power; and a fifth lens element having negative refractive power.

The invention relates to an oblique-slotted steel plate shear wall. The oblique-slotted steel plate shear wall comprises a steel frame and at least one oblique-slotted steel plate with a plurality ofoblique slits, and the oblique-slotted steel plate is located inside the steel frame and is connected with the steel frame; the steel frame includes horizontally disposed steel beams, and columns which are connected with the ends of the steel beams and longitudinally arranged; and the long sides of the steel beams at the inner side of the steel frame are fixedly connected with connecting plates, and the connecting plates are connected with the oblique-slotted steel plate. According to the oblique-slotted steel plate shear wall, the problems of existing steel plate shear walls that the amount of steel consumption is large, the rigidity cannot be adjusted, the structure is complicated, the production process is cumbersome, and the cost is high can be solved, and excellent lateral force resistant parts are provided for the construction design of high-rise or super high-rise buildings in China.

The invention provides a hydraulic control system and a hydraulic control method for an automobile transmission with six gear positions, wherein electro-hydraulic type gear selecting and shifting of the transmission with six gear positions are effectively achieved by the combined function of a difunctional hydraulic cylinder and a proportional solenoid; compared with the gear selecting and shifting among five gear positions in the prior art, the system has good response characteristic and accurate control characteristic, and facilitates the more flexible space arrangement.

The invention discloses a fabricated beam-column connecting joint based on a corrugated plate anti-side special-shaped column, and belongs to the technical field of structural engineering. The beam-column connecting joint is composed of the corrugated plate anti-side special-shaped column, an I-shaped beam with an end plate, and a beam-column column connecting part with a protruding column. The manufacturing and the welding of steel elements are completed in a factory, so that the welding and the element quality are easy to control; and only steel components need to be hoisted and connected through high-strength bolts on a construction site, so that the construction efficiency is high. According to the fabricated beam-column connecting joint based on the corrugated plate anti-side special-shaped column, the connecting joint has the advantages of mechanical property and practical property at the same time: in the aspect of the mechanical property, the bearing capacity and the lateral stiffness of the special-shaped column are fully utilized, and the connecting joint has good anti-seismic property; and in the aspect of the practical property, a rapid assembly concept is emphaticallyachieved, and the protruding column problem in a house is solved.

The invention relates to a steel plate shear wall with holes and inclined slots, and application thereof. The steel plate shear wall comprises a thin steel plate and a pair of edge stiffening ribs parallelly arranged at two sides of the thin steel plate, wherein each diagonal of the thin steel plate is symmetrically provided with a pair of diagonal inclined slots; the thin steel plate is also provided with four triangular holes; and each triangular hole is located between two adjacent diagonal inclined slots. In use, the steel plate shear wall is connected with a framed girder. Compared with the prior art, the steel plate shear wall provided by the invention has the advantages of definite lateral load resistance mechanisms, capacity of withstanding reciprocating load, adjustable design parameters, superior ductility and energy-dissipating capacity, and the like; and the steel plate shear wall has simple overall structure, can be fully bolted with the framed girder, and is easy to construct and replace and widely applicable to multi-rise structures.

The invention discloses a fuel cell using a diffusion layer as a collector, which comprises a limited number of superimposed repetitive units. Each repetitive unit is composed of an anode plate, an H2diffusion layer embedded with a flexible wire electrode, an anode catalytic layer, a proton membrane, a cathode catalytic layer, an O2 diffusion layer embedded with a flexible wire electrode, and a cathode plate in turn. The electron transport of the fuel cell is outside the cell body, and the electrons are directly output to an external circuit from the flexible wire electrode embedded into theH2 diffusion layer 2, apply work to the external circuit and are returned through the flexible wire electrode embedded into the O2 diffusion layer. The operation route of electrons is shortened. The optional range of the component material is greatly increased while the internal resistance is reduced. The cost of the whole cell is reduced.

The invention relates to a motor rotor position detecting method and device. The device comprises at least one primary side coil and at least two auxiliary side coils, the primary side coil and the auxiliary side coils are electrically connected with compensating circuits respectively to form a resonance circuit with the specific resonance frequency, the resonance frequencies of the coils are consistent, magnetic coiling resonant wireless electric transmission between the primary and auxiliary side coils is achieved, the primary and auxiliary side coils work under the quasi resonant state or the resonant state, and the motor rotor position is detected through changes of the inductance between the primary and auxiliary side coils. Compared with the prior art, the device has the advantages of being good in frequency selectivity, high in interference resistance, flexible and varied in spatial arrangement, high in precision and the like.

The invention discloses a visible longitudinal-flow all-pin-fin tube lubricating oil cooler. The cooler comprises an integrated pin-fin tube bundle, an upper lubricating oil spoiler, a lower lubricating oil spoiler, an upper tube plate, a lower tube plate, an upper head, a lower head, and a shell. The upper tube plate and the lower tube plate are fixed to both upper and lower end faces of the shell, respectively. The upper head is fixed to the outside of the upper tube plate, while the lower head is fixed to the outside of the lower tube plate. The integrated pin-fin tube bundle is mounted in a plurality of rows between the upper tube plate and the lower tube plate. The upper lubricating oil spoiler and the lower lubricating oil spoiler are arranged on the integrated pin-fin tube bundle. A shell pass inlet and a shell pass outlet are formed in the shell, and a tube pass inlet and a tube pass outlet are formed in the upper head and the lower head. An interior oil fouling viewing slot is formed in the shell on the side of the shell pass inlet at the second row of pin-fin tubes, which is covered with a transparent organic glass plate. The cooler is simple in structure, simple to manufacture and mount, and convenient to use and maintain; With the use of the longitudinal flow mode, the flow resistance and the vibration of the tube bundle may be reduced, thereby allowing for prolonging of service life and saving of energy.

The invention discloses an intelligent checking and repairing all-in-one machine for a safety valve. The intelligent checking and repairing all-in-one machine for the safety valve comprises a checkingtable, a computer, an independent hydraulic station and a clamping and grinding device. The computer is arranged on the left side of the checking table. The independent hydraulic station is arrangedon the right side of the checking table and communicates with a hydraulic fixing mechanism arranged on the clamping and grinding device through a hydraulic oil pipe. A clamping table is arranged at the upper end of the clamping and grinding device. A grinding mechanism is arranged above the clamping table. A three-degree-of-freedom sliding table mechanism is further arranged on the clamping and grinding device. A buffer tank pressure gauge is arranged on the checking table. Four sets of checking gauges are arranged on the right side of the buffer tank pressure gauge. The intelligent checking and repairing all-in-one machine for the safety valve is novel in design; a checking device and a repairing device are combined, so that the checking and repairing efficiency is improved, one-time clamping for checking and repairing can be achieved, and the safety valve can be directly ground and repaired after being checked if necessary, and time and labor are saved; and intelligent checking and repairing can be conducted efficiently.

The invention discloses a multi-span greenhouse rainwater collecting and treating reusing device which comprises a water gathering pipe, initial rainwater filtering devices, a double power supply programming controller, a safety diverting well, a modular water storage pond, a pressurizing pump, a multi-medium filter, an ozone generator, a Venturi ejector and a clean water pond, wherein the initial rainwater filtering devices are used for initially realizing filtration of rainwater of 2-5mm; the double power supply programming controller is used for controlling the liquid level of the water storage pond and switching of the initial rainwater filtering devices; the safety diverting well is used for precisely filtering rainwater and controlling the water quantity; the ozone generator and the Venturi ejector are used for generating ozone water. The invention further discloses a rainwater collecting and treating reusing method based on the device. According to the device and method disclosed by the invention, the collected rainwater is disinfected and sterilized by using the ozone water so as to solve the problem that the water quality in the water storage pond is deteriorated, so that the rainwater is recycled, and therefore, the utilization efficiency of a water resource is improved, the regional ecological environment is improved, and an extra economical benefit is further generated.

The invention discloses a steel pipe-profile steel special-shaped column with double corrugated plates and a side-resistant double-column bearing function, and belongs to the technical field of structural engineering. The column comprises a square steel pipe column, a profile steel column, and corrugated plates. The welding part of the special-shaped column is completed in a factory, so that the welding quality is easy to control; and only the prefabricated special-shaped column needs to be hoisted and connected with other elements on a construction site. The corrugated plates can provide enough out-of-plane rigidity with low thickness in the manufacturing, transportation and construction processes of the special-shaped column, so that the steel consumption of components is effectively reduced, and the economy is improved. According to the steel pipe-profile steel special-shaped column with the double corrugated plates and the side-resistant double-column bearing function, the special-shaped column has the advantages of mechanical property and practical property at the same time: in the aspect of the mechanical property, the height of the anti-side section of the special-shaped column is increased by adopting a double-corrugated-plate structure, so that the anti-side capacity of the special-shaped column is improved; and in the aspect of the practical property, the problem of protruding columns in a house can be effectively solved.

The invention discloses a mixed control damping structure with an overall reset function. The mixed control damping structure with the overall reset function comprises a damping frame which is formed by an upper portion frame and a lower portion frame, a flat-plate sliding support is arranged between the lower portion of the frame stand column of the cross point of the vertical and the horizontal main frame beams of the upper portion frame and the lower portion frame, a laminate rubber support is arranged between the lower portion of the frame stand column of the cross point of the sub-frame beams of the upper portion frame and the lower portion frame, and a viscous damper is arranged on the outermost main frame beam of the damping frame. The construction damping structure of the mixed control damping structure with the overall reset function comprehensively adopts laminate rubber shock isolation, the flat plate sliding support and the viscous damper to form a mixed control damping system, respective advantages of devices are played, earthquake energy is dissipated, and therefore an ideal damping effect is achieved.

The invention discloses a gyroscope launcher. The gyroscope launcher comprises a driving part and a rotating part, wherein the driving part is connected with the rotating part through a flexible shaft; and after the driving part is driven, the rotating part is driven by the flexible shaft to rotate, and the rotating part is used for accelerating rotation of the gyroscope. The driving part and therotating part are connected through the flexible shaft, and by virtue of the transmission mode of the flexible shaft and the bendable characteristic of the flexible shaft, the occupied space of the launcher is smaller, the space arrangement is more flexible, the launcher can be folded and stored, and the launcher is more convenient to carry; and moreover, the motion mode of the flexible shaft to the gyroscope launcher is relatively limited, so that support can be provided for implementation of different motion modes of the gyroscope launcher.

The invention provides a self-locking device for a switch cabinet valve mechanism. The self-locking device comprises a supporting frame (10), a rotating piece (20), a limiting assembly (30), and a reset spring (40). The rotating piece is rotatably connected to the supporting frame. The limiting assembly is slidably connected with the supporting frame, the limiting assembly is used for locking or unlocking a closing state of the valve mechanism by sliding. One end of the reset spring is used for applying force to the limiting assembly, and the other end of the reset spring is used for applyingforce to the supporting frame. The rotating piece can slide in the direction of unlocking the closing state relative to the supporting frame by rotating the abutting-resisting the limiting assembly, so that the reset spring can store energy, the energy-storage reset spring is used for applying force to the limiting assembly to enable the limiting assembly to slide in the direction of locking the closed state. The self-locking device can automatically unlock the closing state of the valve mechanism when the handcart is pushed into the cabinet body; and the closing state of the valve mechanism is automatically locked after the handcart is moved out of the cabinet body. In addition, the invention further provides a switch cabinet comprising the self-locking device.

The invention discloses a vehicle brake-by-wire method, a system, equipment and a storage medium. The method comprises the steps: a hydraulic unit acquires a brake deceleration request, and whether the hydraulic unit fails or not is judged; when the hydraulic unit is effective, the hydraulic unit performs brake control on four wheels of the vehicle; and when the hydraulic unit fails, the failed hydraulic unit quits control, and an effective hydraulic unit performs hydraulic braking on the wheel corresponding to the effective hydraulic unit and performs mechanical clamping braking on the electronic parking caliper in the wheel corresponding to the failed hydraulic unit, so that the complexity of pipeline arrangement and the hydraulic unit can be reduced. Therefore, the brake system is more simplified in structure and more flexible in spatial arrangement, the development cost of main brake and backup brake is reduced, meanwhile, the maintenance and replacement cost of the system can be remarkably reduced, and the response time of brake-by-wire is shortened.

The invention relates to a method for treating shallow landslide. According to the method, steel pipe piles, pile top beams, crossbeams and high-pressure rotary jet grouting piles are used. The high-pressure rotary jet grouting piles which are reinforced fully are arranged on the periphery of each micro-steel pipe pile, each two lines of the steel pipe piles or more than two lines of the steel pipe pile form a row of piles, and the steel pipe piles are arranged in a square or quincuncial manner; each pile top beam is arranged on the tops of the corresponding row of piles; tops of the steel pipes in each row of piles are embedded in the corresponding pile top beam and are connected with the corresponding pile top beam; and each two adjacent pile top beams are connected with each other through the corresponding crossbeam. The method for treating shallow landslide is flexible in space arrangement, high in adaptive capacity to environments and easy and convenient to construct, large mechanical equipment is not required to be used, disturbance to surrounding environments is small, and working hours are saved.

The invention discloses an extended-range electric vehicle power coupling thermal control system and a control method thereof, and the system comprises four cooling liquid loops which are an engine heating loop, an engine heat dissipation loop, a power battery heating loop and a power battery heat dissipation loop in sequence. The engine heating loop comprises an engine, a first electronic thermostat, a first electric water pump and a first temperature sensor which are sequentially connected in series; the engine heat dissipation loop comprises an engine, a first electronic thermostat, a heat exchanger, a first radiator, a first electric water pump and a first temperature sensor which are sequentially connected in series. The power battery heating loop comprises a power battery, a second electronic thermostat, a heat exchanger and a second electric water pump which are sequentially connected in series; the power battery heat dissipation loop comprises a power battery, a second electronic thermostat, a second radiator, a second electric water pump and a second temperature sensor. According to the system, rapid preheating and accurate temperature control of the power battery and the engine are realized, and the energy utilization rate of the whole vehicle is effectively improved.

The invention discloses a wood frame-log cabin type wall mixing structure system. The system comprises a log cabin type wall, a wood beam, a wood column, a wall through screw, a foundation anchor boltand an interlayer wall anchoring screw, wherein the wood beam and the wood column are connected through a metal connecting piece or a mortise and tenon joint to form a beam-column type wood frame, the wood beam or the wood column is connected with the log cabin type wall in a rabbet form, the log cabin type wall adopts the interlayer wall anchoring screw for connection between adjacent layers, the wall through screw is matched with a compression spring or a spring washer at the nut part, and transverse-grain pressed woods below anchoring base plates of the wall through screw, the foundation anchor bolt and the the interlayer wall anchoring screw are reinforced by adopting self-tapping screws. The system can realize industrial production in a factory and quick-assembly construction on site, and has the advantages of small transverse grain deformation and non-uniform settlement of the wall, excellent anti-seismic performance, repeated disassembly and assembly, good durability and the like at the same time.

The invention relates to a motor rotor position detection method and detection device, the device includes at least one primary coil and at least two secondary coils, the primary coil and secondary coils are respectively electrically connected with their respective compensation circuits to form A resonant circuit with a specific resonant frequency, and the resonant frequency of each coil is consistent, to achieve magnetically coupled resonant wireless power transmission between the primary and secondary coils, the primary coil and secondary coil work in a quasi-resonant state or a resonant state, through the original The change in the mutual inductance between the side coil and the secondary coil detects the rotor position of the motor. Compared with the prior art, the invention has the advantages of good frequency selectivity, strong anti-interference, more flexible and diverse spatial arrangement, and high precision.