74results about How to "Good self stability" patented technology

The invention belongs to the technical field of building engineering and particularly relates to an integral assembling type building system and an installing method. The integral assembling type building system is characterized by comprising prefabricated steel reinforced concrete combination columns, prefabricated steel reinforced concrete combination beams, prefabricated reinforced concrete slabs, a prefabricated light integral inner wall and a prefabricated concrete heat preservation outer wall which are assembled together. The building system has the beneficial effects that all the members are prefabricated in a factory, quality is controlled conveniently, and the construction difficulty caused by outdoor weather changes can be reduced. Moreover, splicing is carried out on site, and installing is safe, fast and convenient. The recycle rate of formworks is high, work for the formworks and frame pipes on site is avoided, the number of times of use and consumption of the formworks and frame pipes are reduced, on-site labor is saved, the on-site dust raise phenomenon is improved substantially, the influence on the environment is small, and environmental pollution is reduced.

The invention discloses a gas-liquid two-phase self-adaption constant flow distributor. The gas-liquid two-phase self-adaption constant flow distributor comprises gas-liquid separation devices and gas-liquid mixers; a distribution branch at the rear of each gas-liquid mixer is provided with a self-adaption constant flow valve; a flow adjustment stop valve is arranged between each mixer and each self-adaption constant flow valve; a dryness flow meter is arranged at the rear of each self-adaption constant flow valve; due to the characteristic of constant flow of the self-adaption constant flow valves, the distributor can assimilate the influence of incoming flow or pressure fluctuation of certain working areas on the resistance characteristic of a system in a wide flow range, and performs self-adaption adjustment according to the designed flow; and the flow and dryness of other distribution branches are not influenced when the flow of certain distribution branches is changed, so the flow can be adjusted quickly.

The invention discloses a chalcogenide semi-solid lithium battery and a preparing method thereof. The battery is formed by stacking a semi-solid chalcogenide positive electrode, a semi-solid electrolyte and a lithium wafer negative electrode. The semi-solid chalcogenide positive electrode is prepared through the process that firstly, a lithium-salt-containing polymer, a chalcogenide material and a carbon conductive agent are mixed into semi-solid, and then aluminum foil or a nickel net serves as a current collector. The semi-solid electrolyte is prepared by mixing porous inorganic oxide and a lithium-salt-containing polymer, wherein the lithium-salt-containing polymer is prepared by mixing a flow-state polymer and lithium salt. According to the composite type semi-solid electrolyte and the semi-solid chalcogenide positive electrode formed by compounding the lithium-salt-containing polymer and the chalcogenide material, the advantages that inorganic materials are high in mechanical strength and good in stability and the polymer materials are good in flexibility and interface contact, high in ionic conductivity and the like are combined, the ionic conductivity of the electrolyte and the energy storage stability of the chalcogenide positive electrode are improved, the first-time specific discharge capacity is 375 mAh/g, a discharging platform exceeds 2V, an energy storage mechanism is novel, and an energy storage power source with large potential is obtained.

The invention provides a fabricated building of a pre-assembling structure of a prefabricated section steel concrete shear wall. The building is provided with a structure preformed in a factory, and the preformed structure comprises section steel concrete shear walls, prefabricated section steel concrete beams, steel bar truss concrete slabs, prefabricated reinforced concrete stairs, light masonry partition walls, and prefabricated foam-concrete outer walls. The invention further provides a mounting method of the fabricated building of the pre-assembling structure of the prefabricated section steel concrete shear wall. The fabricated building disclosed by the invention is characterized in that all components are prefabricated in the factory, so that the quality of the components is convenient to control, and construction difficulties caused by the change of outdoor weather can be reduced. The fabricated building is assembled on site, and safe, rapid and convenient to mount; the recycling rate of templates is high, work about templates and tube frames is omitted on side, the use and the consumption of the templates and the tube frames are reduced, on-site workers are saved, and the phenomenon of on-site raise dust is greatly improved, so that the influence on environment is small, and the environmental pollution is reduced. The fabricated building disclosed by the invention is suitable for various houses and buildings, such as high-rises, small high-rises, garden houses and villas.

The improved zonal water injection constant flow packer for oil field water injection well has sliding valve core, which is set inside the inner cavity of valve jacket, and has upper end connected to the lower end of supper seat with spring in between, shaft neck to form variable throttle hole with the flange in valve jacket cavity and water outlet hole in the valve jacket over its boss. The present invention has the beneficial effects of water injecting amount maintained constant, greatly shortened regulating time, lowered labor strength, and lowered water injection well regulating cost, excellent dynamic performance, raised water injection quality, certain automatic jamming preventing capacity, etc. and may be used directly in eccentric well zonal water injection system.

The invention belongs to a water injector for automatically balancing the downhole flow of an oilfield, which is used for a water injection pipe network system of the oilfield. The water injector comprises a valve body and a valve core symmetrical with a middle axis of the valve body; the water injector is characterized in that a spring on an annular groove of inner wall of the valve body which isa tapered cavity supports the valve core; the upper end face of the valve core is tightly pressed by a locking nut which is in threaded connection with the valve core; the wall periphery of an uppercavity of the valve core is symmetrically distributed with at least two throttling holes; the locking nut and the valve body are in threaded connection; and the lower end face of the locking nut is tightly pressed on the upper end face of the valve core. Under the condition of changing the pressure difference of injected water, the water injector can maintain the water injection amount constant, greatly shorten the regulating time, and reduce the labor intensity of laborers and the regulating cost of a water injection well, has good dynamic performance, and good self-stabilizing capacity on the fluctuation of the pressure difference of the injected water, improves the quality of injected water, does not need to modify other parts of the prior system, can be directly used for the downhole stratified water injection of the oilfield and remarkably improves the injection and production efficiency of the oilfield and the service life of a water injection system.

The invention provides a method for estimating position and speed of a permanent magnet synchronous motor running at a low speed and the method has strong autostability, starting work also can be smoothly completed by the permanent magnet synchronous motor even under different loads, in the starting process, if the electrical machine load is increased, the rotating speed acceleration of an electrical machine is reduced, angle difference between a reality dq shaft and setting dq shaft is reduced, and the new balance of the system is reached by generated larger electromagnetic torque; if the electrical machine load is reduced, the differential seat angle between the reality dq shaft and setting dq shaft is increased, the electromagnetic torque caused by the motor output is reduced, and another stable state of the system is reached. The technical problem that back electromotive force signal is weak, the noise is large, the sliding form estimation error is large and the sliding form cannotbe used for controlling in the low speed condition is overcomed.

The invention discloses a superconducting electric electromagnetic hybrid maglev train, which comprises L-shaped suspension frames and an I-shaped ground rail, and is characterized in that the upper end of each suspension frame is connected with a train body through an air spring; the suspension frames are arranged on the two sides of the ground rail, and the suspension frames and the ground railare arranged at intervals. A plurality of superconducting magnets is arranged at the lower end of each suspension frame. An 8-shaped upper-layer suspension coil and an 8-shaped lower-layer suspensioncoil are arranged at the upper end and the lower end of the ground rail respectively, an upper-layer power generation coil and a lower-layer power generation coil are arranged at the lower end of thesuspension frame, and the upper-layer suspension coil is electrically connected with the lower-layer suspension coil; and a propelling coil is arranged above the upper-layer suspension coil. The invention has the advantages of large operation air gap, self-stabilization, good suspension guiding dynamic performance, better curve passing capacity, higher superconducting magnet magnetic field utilization rate and lower track construction cost.

The invention aims at defects in existing photovoltaic output predication through similar daily clustering, and provides a microgrid photovoltaic output space prediction method based on similar daily clustering. The microgrid photovoltaic output space prediction method belongs to the field of new energy output prediction and comprises the steps of establishing a spatial relationship by means of power generation data which are input and output of a photovoltaic power station in a microgrid in a training period for predicating the power generation data that are output from the photovoltaic power station in a prediction period; performing particlizing processing on the power generation data which are input into the power station in the training period and the prediction period; performing SOM neural network clustering training on the particlized data which are input into the power station in the training period; performing simulation classification on the particlized data which are input into the power station in the prediction period by means of an SOM neutral network; finding out similar days; and by means of similar day data, obtaining the predicted value of the power generation data through least square polynomial fitting. Compared with an existing method, the microgrid photovoltaic output space prediction method has advantages of simplifying researching objects, promoting clustering process and remarkably improving prediction precision.

The invention discloses a triangular water-retaining dam for flood-fighting and emergency rescue. The triangular water-retaining dam for flood-fighting and emergency rescue is characterized by comprising a triangular-strip-shaped hollow sealing dam body capable of being fully filled with water, a joint, buckle rings and a burred magic tape, wherein the dam body comprises a dam surface and a dam end surface, a through hole is arranged in the dam surface and communicates with an inner cavity of the dam body, and the dam body is made from a flexible waterproof material; the joint is provided with a control valve, and communicates with the inner cavity of the dam body through the through hole; the buckle rings are arranged on sides extending from a ridge of the triangular-cylinder-shaped dam body; shaping reinforcing ribs are arranged on the inner sidewall of the dam surface; and a female magic tape and a male magic tape of the burred magic tape are arranged at the two ends of the dam body respectively. The water-retaining dam is wide in material selection, low in manufacturing cost, wide in application range, convenient to warehouse and transport, fast to use for flood prevention deployment, high in self-stability, high in flood-fighting capacity, capable of being rapidly cleared and recovered for repeated use after flood recedes, without any garbage in the scene, and more environment-friendly.

The invention provides an aircraft capable of realizing vertical take-off and landing. The aircraft comprises a central cabin body, an external ring cabin body and a rack connected between the central cabin body and the external cabin body, an upper impeller and a lower impeller are respectively arranged on the side surface of the central cabin body, the upper impeller comprises an upper annular wheel hub and several upper blades by outwardly extending the outer periphery of the upper annular wheel hub, the lower impeller comprises a lower annular wheel hub and several lower blades by outwardly extending the outer periphery of the lower annular wheel hub, the rotation direction of the lower impeller and the rotation direction of the upper impeller are opposite, the external cabin body comprises an inner ring, an outer ring which is arranged by keeping a space with the inner ring, and a connecting ring connected between the inner ring and the outer ring, several accepting holes are arranged on the connecting ring of the external cabin body, an attitude adjustment fan is accommodated in each accepting hole, and the attitude adjustment fan comprises an upper rotor and a lower rotor which is opposite with the rotation direction of the upper rotor. The aircraft can be cooperated with the upper impeller and the lower impeller through the attitude adjustment fan, flight attitudes such as elevating, forward moving and backward moving as well as turning can be realized, and the self-stability is good.

The invention discloses a preparation method of stable chlorine dioxide. The chlorine dioxide gas can be used to prepare stable chlorine dioxide which has good stability and can be stored for long term. Sodium phosphate and hydrogen peroxide are used as basic components for stabilizing chlorine dioxide, and can have self-stabilization function in the absorption process and efficiently absorb chlorine dioxide to form a stable chlorine dioxide solution. The prepared product has the following advantages: the content of active chlorine dioxide is high, the stability is good, the production cost is low, the operations are convenient, other stabilizers are not required to be added in production, the storage stability is good, the product is safe in use and the like. When in use, an acid activator is added in the product to generate chlorine dioxide gas. The prepared stable chlorine dioxide has good slow release property; and according to the type and concentration of the used acid activator, the slow release of the product can be easily controlled, chlorine dioxide can be released thoroughly and the utilization rate is high. The product can be widely used in the disinfection, sterilization, preservation, deodorizing and the like of various industries.

The invention discloses a self-adjusting type pipeline robot and a working method in a pipeline thereof. The self-adjusting type pipeline robot comprises a first main body, a second main body, a camera and a control chip. The first main body comprises a first adjusting unit, a first rotating base, a fourth motor and a third installing base. The second main body comprises a second adjusting unit and a second rotating base. The first rotating base and the second rotating base are connected through hinges. The fourth motor is fixed to the third installing base and drives the first rotating base.When the diameter of the pipeline changes, the first adjusting unit and the second adjusting unit adapt to the change of the pipe diameter; when the pipeline is bent, the fourth motor drives the firstrotating base to rotate, when the first main body can rotate around a hinge shaft of a first hinge block and a hinge shaft of a second hinge block, adaption to bending of the pipeline is achieved, the bent pipeline is entered, and the fourth motor stops rotating; and along with the main body entering the bent pipeline, the angle between the first main body and the second main body is adjusted constantly until the second main body enters the pipeline completely. The self-adjusting type pipeline robot can adjust the pose and the size automatically according to the bending and pipe diameter changing situation of the pipeline, and suitability of the pipeline robot is reinforced.

The invention discloses a cluster-type bionic solar power unmanned aerial vehicle. The cluster-type bionic solar power unmanned aerial vehicle adopts a flying wing type layout of a minimum control configuration and adopts a conventional ultralight material and structure, so that structural intensity is high, a risk of fluttering aeroelasticity is not in the presence in a covered wire, the unmannedaerial vehicle is environmentally friendly, and the bionic albatross-like appearance of the unmanned aerial vehicle is favorably blended with a natural environment. Three or more unmanned aerial vehicles are used for realizing aerial synergetic marshaling, and an effect that wing tip vortexes are mutually weakened and offset is used so as to further improve a lift-drag ratio and prolong enduranceand voyages. The unmanned aerial vehicle increases a wing area to increase a solar cell panel laying ratio, meanwhile, a control surface is simplified, so that a bare area is fully reduced, and frictional resistance is reduced. A power system selects an outer rotor brushless electric machine, an electronic speed regulator and a high-efficiency propeller are arranged, so that the power system meets efficient flight required by hand-throwing takeoff and long endurance, the aerodynamic design of the unmanned aerial vehicle enables the unmanned aerial vehicle to own good glide performance and self-stability, and the unmanned aerial vehicle can carry varied loads to finish different flight tasks.

The invention discloses a rigid-flexible wall supporting mechanism for an elevator shaft, and belongs to the technical field of elevator guide rail installation. The rigid-flexible wall supporting mechanism comprises a machine frame, a wall supporting mechanical arm, an adjusting mechanical arm, a guide rail installation adjusting mechanical arm, a traction support, a vertical pose detection component and a horizontal pose detection component. According to the rigid-flexible wall supporting mechanism for the elevator shaft, through the structural design of two flexible parts and one rigid part, flexible contact is carried out during walking, rigid supporting can be carried out during positioning, the self-stability of the mechanism is high during wall supporting, by providing the vertical pose detection component and the horizontal pose detection component, the horizontal pose state and the vertical pose state of the wall supporting mechanism in the elevator shaft can be accurately detected, and automatic correction is carried out; and installation and calibration work of the elevator guide rail can be quickly and accurately completed in cooperation with the guide rail installation adjusting mechanical arm, so that the installation efficiency of the elevator guide rail is greatly improved, and the workload and the labor intensity of elevator guide rail installation personnel are reduced.

The invention discloses a mounting method of an assembled building. The mounting method includes: (1), performing foundation construction, and pre-burying a connecting plate; (2), mounting a prefabricated steel reinforced concrete shear wall; (3), mounting a prefabricated steel reinforced concrete beam; (4), mounting a prefabricated lightweight masonry partition wall; (5), mounting a prefabricated steel truss reinforced concrete slab; (6), mounting a prefabricated reinforced concrete staircase; (7), mounting a prefabricated steel reinforced concrete balcony; (8), mounting a prefabricated steel reinforced concrete air conditioner plate; (9), mounting a prefabricated foam concrete heat-insulating exterior wall; (10), mounting a previous section of the prefabricated steel reinforced concrete shear wall; (11), repeating the steps (2)-(10) to complete mounting of each floor of the building; (12), after each floor of the building is mounted, mounting doors and windows of each floor of the building in a unified manner. The mounting method completely adopts prefabricated components, thereby having the advantages of environment friendliness, energy conservation and green construction.

The invention relates to a method for detecting and diagnosing early-stage acute infection of toxoplasmosis by utilizing aptamers which are separately YZ-39 and YZ-56. The action mechanism of the aptamers is that the aptamers are specifically combined with a rhoptry secretory protein ROP of the toxoplasma gondii. The secretory protein ROP is the early-stage secretory protein of a toxoplasma gondii infected host cell, and is of great significance on diagnosing early-stage acute infection of the toxoplasmosis. At present, the report about detecting early-stage acute infection of toxoplasmosis by utilizing aptamers to detect the secretory protein ROP is not available at home and abroad. The discovery and application of the ROP specific aptamers provide a novel method for detecting the early-stage acute infection of the toxoplasmosis.

The invention relates to a strong-swirling mixing and backflow stable-burning incinerator for processing organic pollutant waste gas, and aims to effectively solve the problems that a conventional incinerator is low in combustion intensity, poor in mixing effect and unreasonable in body structure, has poor organic volatile pollutant pyrolysis and combustion effects and pollutes the environment. The strong-swirling mixing and backflow stable-burning incinerator is characterized in that a cavity in an incinerator body consists of a combustion mixing chamber and a flue gas mixing chamber which communicate with each other, an auxiliary combustor is arranged in the center of a waste gas lead-in pipe at the top of the combustion mixing chamber, a main combustor is arranged outside the incinerator body, a mixed flue gas discharge pipe is arranged at the lower part of the flue gas mixing chamber, the upper part of a flue gas mixing chamber wall body is inserted into the combustion mixing chamber, an adjustable loop outlet is formed in the top of a swirling flow pre-mixing combustion loop between the upper part of the flue gas mixing chamber wall body and the lower part of a combustion mixing chamber wall body, a hearth is arranged at the bottom of the flue gas mixing chamber wall body, and a flame stabilizing column is arranged on the hearth. The strong-swirling mixing and backflow stable-burning incinerator is extremely good in self-stability, overcomes the shortcomings of low combustion intensity, poor mixing effect and unreasonable incinerator structure, and achieves the functions of high-intensity combustion mixing and efficient heat and mass transfer, and the investment cost is reduced.

A type of stator embedded electromagnetism suspending Microsystems of microcomputer electric system technology field includes round box type micro suspending quality, upper stator, middle base, down stator, leading line, middle column, lower base. The upper stator and the lower stator are similar completely, they includes stable suspending loop outer loop, stable suspending loop inner loop, connecting line. The round box type micro suspending quality is suspended stably at the outer edge of the middle base under the function of electromagnetic force of upper stator and lower stator. The stator embedded electromagnetism suspending Microsystems adopts the round box type micro suspending quality and stator embedded structure, the structure can increase the suspending rigidity and side stability rigidity of micro suspending quality, at the same time the middle base can limit the position when the round box type micro suspending quality does not work, it fits for application in field of micro peg-top, micro inertia measuring unit, and resolves the defects of background technology.