4993results about How to "Large adjustment range" patented technology

The invention provides washing machine feet with an automatic levelling function and a washing machine. The bottom of the washing machine is provided with the multiple feet; each foot comprises a fixed part and a moving part, a hollow chamber is formed between each fixed part and the corresponding moving part, and each hollow chamber is filled with a hydraulic medium; every two related feet are mutually connected by a high-pressure oil pipe, so that the hollow chambers of the two feet are mutually communicated, or all the feet are respectively connected to a communicating device by high-pressure oil pipes, so that the hollow chambers of all the feet are mutually communicated; under the action of pressure, the hydraulic medium can flow among the mutually-communicated hollow chambers of the feet to enable the moving parts to stretch and retract, and automatic levelling is performed. The washing machine feet with the automatic levelling function has the advantages that according to a hydraulic principle, each foot is filled with the hydraulic medium, and is enabled to perform adaptive adjustment because of the fluidity of the hydraulic medium under different pressures, the hydraulic medium can flow among the feet, the adjustment range is bigger, and the effect is better.

The invention relates to a magnesium compound supported non-metallocene catalyst, which is obtained by directly contacting a compound of catalytic active metal and a magnesium compound containing a non-metallocene ligand through an in-situ supporting method. The preparation method for the magnesium compound supported non-metallocene catalyst has simple, feasible and flexible process, and has more adjustable parameters to the polymerization activity of the catalyst. When the supported non-metallocene catalyst and a catalyst promoter are adopted to form a catalytic system for the homopolymerization / copolymerization of olefins, the obtained polymer has high bulk density and low ash, and the molecular weight distribution of the polymer has wide adjustable range.

The invention discloses a particle-typed composite fertilizer of humic acid and manufacturing method, which consists of dressing and karyosome, wherein the dressing contains nitrogen, phosphor and potassium. The manufacturing method comprises the following steps: graining humic acid; cladding; graining; solidifying fused fertilizer on the particle of humic acid; making the composite fertilizer dissolved into water without falling; fitting for large scale of agricultural product.

The invention provides a cement-based composite material used for a 3D printing technology as well as a preparation method and application thereof. The cement-based composite material is prepared from the following raw materials based on the total weight of the composite material: 33%-40% of cement, 0%-8% of inorganic powder, 32%-38% of tailing machine-made sand, 2.5%-3% of a high-molecular polymer, 0.1%-0.5% of a water reducing agent and 16.7%-20% of mixing water; a composite thickening time control agent, a thixotropic agent, a volume stabilizer and the like are added into a mixture to prepare an inorganic composite material; and then the inorganic composite material can be directly pumped into a 3D printer for building to be applied to construction. The cement-based composite material is an inorganic material and the materials are easily available; a lot of industrial waste materials can be used; therefore, the cement-based composite material is low in cost, energy-saving and environment-friendly; the condensation time can be flexibly controlled, and the material has super early strength, good caking property and strong stability; the requirements of 3D printing construction continuity of the building and the building strength are met so that the house building has good global stability and use safety; and the application and popularization of 3D printing technology can be greatly promoted.

A process for preparing the H2-enriched gas by catalytic gasification of solid fuel features that the solid catalyst used also as the heat carrier is circulating through riser combustion reactor, solid catalyst storage tank, catalytic reforming reactor and pyrolyzing reactor. In said pyrolyzing reactor, the biomass or coal and the solid heat carrier (catalyst) take part in fast pyrolytic reaction. Its resultant and the water steam take part in catalytic decomposing and reforming reaction to generate H2-enriched gas or synthetic gas.

Disclosed is a clock adjusting circuit comprising a phase shifter that receives a clock signal and variably shifts, based on a control signal, respective timing phases of a rising edge and a falling edge of the clock signal; and a control circuit that supplies the control signal to the phase shifter circuit before each edge is output; wherein the clock signal, in which at least one of a period, a duty ratio, jitter and skew / delay of the input clock signal is changed over an arbitrary number of clock cycles, is output.

The invention involving a magnetorheological fluid damping device for automobile suspension system.The magnetic field generator of this damping device consists of permanent magnet and electromagnetic coil.On the top of the damping device,there are guide apparatus and damping regulator,the function of which is that to ensure the damping channel is uniform annular duct and to meet the high-damp requirement in the restoration process and low-damp requirement in the compression process of damper seperately.The current in the electromagnetic coil designs of bi-directional and this controls the magnetic field intersity of the damping channel,decreases the excitation current of the electromagnetic coil,reduces energy consumption and decreases damper fever.On the non-controlling conditions,this damping device has the equivalent characteristics of the traditional shock absorber and can instead the passive shock absorber,after equiping corresponding current controller,this device can regulate the damping characteristics of suspension system,which improves the automobile driving safety and ride comfort.

A magnetized salient pole type mixed excitation synchronous motor mainly comprises a stator and a rotor, wherein the stator is of structure identical with that of a stator of a conventional permanent-magnet synchronous motor, the rotor is similar to a rotor of a salient pole type excitation synchronous rotor in shape and provided with an electromagnetic winding, and quadrature axis air gap is larger than direct axis air gap. Each magnet pole of the rotor is respectively provided with two 'V'-shaped magnetic steel grooves, steel magnets with same polarity are respectively disposed in the magnetic steel grooves, and finally, the double 'V'-shaped mixed excitation magnetic pole structure with quadrature axis magnetic resistance higher than direct axis magnetic resistance. By means of the excitation magnetic winding, induced potential can be directly adjusted, and irreversible demagnetization on the steel magnets can be avoided. Further, on the condition of applying quadrature axis current and magnetizing direct axis current at the same time, magnetized magnetic resistance torque component can be generated so as to increase torque density of the motor.

A robot system for handling and transporting workpieces in a workspace includes a rail supported above a floor, at least two robot arms supported on the rail for mutual relative displacement and coordinated displacement along the rail, each arm articulating about multiple axes for engaging and supporting the workpiece, and a controller communicating with each of the robot arms to control displacement and articulation of each robot arm, whereby the workpiece is engaged by each gripper, lifted on the robot arm, carried along a path, which may include motion along the rail, and released from the gripper at its destination.

The invention discloses a laser indirect compound micro plastic forming device, belonging to the field of laser processing technology of parts of MEMS (Micro-electromechanical Systems). The laser indirect compound micro plastic forming device consists of a laser loading system, a forming system and a control system. In a laser indirect compound micro plastic forming method, pulse laser is used for driving a flying plate to move at a high speed; after moving for a certain distance, the flying plate collides with a target workpiece on a special compound micro die at a high speed; and the collided target workpiece gets high-energy momentum and is extruded between the flying plate and the special compound micro die. Since the target workpiece is limited by the special compound micro die, the target workpiece forms the shape of the special compound micro die during the extruding process. The special compound micro die is provided with hollowing dies and terrace dies which are arranged in arrays, so that the compound process of drawing, punching and trimming and batch forming of the target workpiece can be realized by primary impacting, and the hollowing dies and the terrace dies on thespecial compound micro die can be designed according to the forming and quantity of the target workpieces as required so that the batch forming of the target workpiece can be realized under differentforming requirements.

The invention relates to an air conditioner indoor unit and a control method thereof. The air conditioner indoor unit comprises a case, an upper fan part and a lower fan part, wherein the case is provided with an air inlet, an upper air outlet and a lower air outlet below the upper air outlet; the upper fan part is arranged at the internal upper portion of the case and is used for sucking air into the case from the air inlet and exhausting the air from the upper air outlet; the lower fan part is arranged at the internal lower portion of the case and is used for sucking the air into the case from the air inlet and exhausting the air from the lower air outlet. The indoor unit further comprises at least one middle fan part, wherein the at least one middle fan part is arranged in the case, is located between the upper fan part and the lower fan part and is used for sucking the air into the case from the air inlet and exhausting the air from the upper air outlet or the lower air outlet. The air conditioner indoor unit provided by the invention has the advantages that users can freely select different air supply modes according to comfort demands, and the goal of quickly feeling refrigeration and heating effects is achieved; the adjustment range of the upper and lower air outlet volume is wide.

The invention discloses a multiple-degree-of-freedom suspension K&C (kinematics & compliance) property test platform, which mainly comprises a support system, a loading system, a measuring system, a movement platform system and a control system, wherein the support system is used for supporting a vehicle to be measured and the loading system, six electric cylinders in the loading system are used for driving the movement platform system to realize the six-degree-of-freedom movement, a left pier and a right pier in the loading system are slidingly connected above the movement platform system, a circular disc motor in the left pier and a circular disc motor in the right pier respectively drive a pier table to rotate, the measuring system is used for measuring the displacements and the applied forces of wheels of the vehicle to be measured, and the control system is used for collecting signals measured by the measuring system, and driving the loading system to load the vehicle to be measured. The multiple-degree-of-freedom suspension K&C property test platform has the advantages that the particular multiple-degree-of-freedom loading type is adopted, the lateral inclining angle and the longitudinal inclining angle of a real road surface can be completely simulated in the test process, the rotation inertia of the whole vehicle or component parts can be measured by little modification, the structure is simple, the measuring range is wide, and the application prospect is better.

An external fixing device for the treatment of bone fractures includes a first member, a second member, a central body arranged between the first member and the second member, a first ball joint for the articulated connection of the first member with the central body, a second ball joint for the articulated connection of the second member with the central body, locking means operatively associated to the first ball joint and with the second ball joint, respectively, the locking means being suitable for allowing / preventing the articulation of the first member and second member with respect to the central body, wherein the first member includes a first clamp, the second member includes a second clamp and the central body includes a third clamp for connection of the external fixing device to respective fractured bone portions to be treated.

The invention relates to a vertical take-off and landing rotor aircraft with ducts built in wings, relates to the technical field of the vertical take-off and landing rotor aircraft, and particularly relates to the technical field of the vertical take-off and landing rotor aircraft with the ducts built in the wings. The wings are provided with lifting ducts; an inner bin is arranged on the inner wall of each lifting duct close to upper and lower wallboards of the wings so as to built in an duct cover; the duct cover can realize opening and closing of the lifting ducts; a diversion trench is arranged on the tail part of a fuselage; two sides of the diversion trench are provided with two supporting members and connect a tilting thrust duct arranged at the tail part of the fuselage to the fuselage through a tilting control mechanism; the tilting thrust duct is composed of coaxial tilting duct walls and coaxial thrust dual rotors; and engines are arranged in the fuselage and transmit power to the lifting duct and the tilting thrust duct through a reducer respectively. The aircraft increases an adjustable scope of the whole aircraft along an axis direction of the fuselage while not greatly weighting the whole aircraft, prevents bareness of the rotors, and increases propulsive efficiency of the aircraft.

The invention belongs to the metallurgy technical field and in particular relates to an intermediate blank cooling system and cooling control technology. The intermediate blank cooling system is characterized in that an aerial fog cooling device body is arranged between a rough mill and a finishing mill. The aerial fog cooling device body is composed of an upper cooling header and a lower coolingheader, and an aerial fog nozzle and a compression air pipe are arranged on the cooling water pipe of the upper cooling header and the lower cooling header; and the on / off control valve and flow control valve of the cooling water pipe and the compression air pipe are connected with a control valve station. The intermediate blank aerial fog cooling technology is controlled by the aerial fog controltechnology sprayed on the cooling header arranged near roller ways at the front and rear of the mills. The invention has fast cooling speed without changing metal performance, water yield regulatingrange is wide and the water yield can be regulated continuously, the cooling speed of the intermediate blank can be precisely controlled, and the invention can be widely applicable to middle and thickplate production line.

The invention belongs to the technical field of vibration and noise control and relates to a relatively-high-applicability passive isolation technology for ultralow-frequency vibration. In order to effectively solve the problem between the low-frequency vibration transmissibility and the high-frequency vibration attenuation rate of the vibration isolator, the invention provides the stiffness-adjustable magnetic vibration isolator with quasi zero stiffness, which adopts rectangular permanent magnets generating negative stiffness and an elastic capsule providing positive stiffness; and when a load is changed, the working position of the elastic capsule is controlled unchanged, the positive stiffness of the elastic capsule is changed because the pressure inside the elastic capsule is changed, and then, the negative stiffness is matched with the positive stiffness through regulating the distance among the rectangular magnets, so that the stiffness-adjustable magnetic vibration isolator with quasi zero stiffness is adaptable to vibration isolation objects with different weights. The stiffness-adjustable magnetic vibration isolator with quasi zero stiffness is simple in structure, convenient to mount, adjustable in bearing capacity, excellent in vibration isolation property, compact in structure, light in weight and suitable for popularization and application.

The invention provides a touch sensor based on flexible voltage-sensing conductive rubber. The invention is characterized in that a sensing unit has a structure form that: a flexible circuit board is used as a motherboard, the disc-shaped flexible voltage-sensing conductive rubber is arranged on the flexible circuit board and is electrically connected with an electrode distributed on the flexible circuit board, a stress surface at the top part of the flexible voltage-sensing conductive rubber is covered by a force transmitting hemisphere; the flexible circuit board is in a four-electrode structure, wherein, a public electrode A is a center circle electrode which is positioned on the concentric position together with the disc-shaped flexible voltage-sensing conductive rubber, a signal electrode B, a signal electrode C, and a signal electrode D which are at an angle of 120 degrees between every two are fan-shaped electrodes that are evenly distributed on a same torus of the periphery of the public electrode A. The invention relates to the touch sensor which has the advantages of strong surface suitability, high reliability, simple signal collecting circuit, and convenient manufacture, and also can be used for the three dimensional force detection.

The invention discloses a lithium negative pole, a preparation method thereof and a battery comprising the lithium negative pole. The preparation method of the lithium negative pole comprises the following specific steps: step 1, lithium embedding: coating a carbon material on an affluxion body Cu foil and drying, thereby obtaining a carbon material pole piece; packing a battery by taking a lithium metal piece as a negative pole and the carbon material pole piece as a counter electrode, carrying out charge-discharge circulation so as to finish the step of lithium embedding; and step2,deposition of a metal lithium layer through overdischarge: carrying out overdischarge on the finished embedding lithium step battery at current density of 10-100 m A / g through constant current discharging for 2-20 hours, thus the lithium negative pole is obtained on a carbon material pole piece surface electrochemical deposition lithium metal layer. The lithium negative pole provided by the invention has the advantages of taking a carbon electrode as a carrier; compared with a general lithium metal negative pole, the safety feature and the cycle performance are effectively improved, the negative pole capacity can be designed by self according to the requirements of the positive pole capacity, therefore the adjustable range is large.

The invention discloses a cone shock absorber with an adjustable stiffness, which comprises a base, a stiffness regulating device, an elastic body and a height regulating device. The base is connected and fixed with a main rack; the stiffness regulating device is arranged in the base and is used for regulating the stiffness of the shock absorber according to an actual working condition of a generator so as to obtain the optimal shock absorbing effect and guarantee the generator to normally work; the elastic body is arranged between the stiffness regulating device and the height regulating device and is used for supporting the generator; after the vibration of the generator is buffered by the elastic body, an acting force transmitted onto the main rack is shown as a fatigue vibration load lower than the vibration of the generator by a plurality of orders of magnitudes, and thus, the elastic body takes a buffering and shock absorbing effect; and the height regulating device is connected and fixed to the elastic body and the generator base and is used for regulating the height of the generator in the vertical direction and ensuring the stability of the generator.

The invention discloses an LED (light-emitting diode) backlight drive circuit, a liquid crystal display device and a drive method. The LED backlight drive circuit comprises a plurality of LED lamp bars arranged in parallel and a detection module, wherein a comparing unit is arranged in the detection module, the comparing end of the comparing unit is respectively coupled to the output ends of the LED lamp bars, and the reference end of the comparing unit is coupled with an adjustable reference voltage module. Due to the adoption of the comparing unit, and the reference end of the comparing unit is coupled with the adjustable reference voltage module, different reference voltage values can be selected according to the voltages of the output ends of the LED lamp bars of different liquid crystal displays, the difference of the voltages of the output ends of the LED lamp bars and the reference voltage is controlled within a reasonable range, the comparing accuracy can be effectively improved, then the maximal difference is fed back to the power source end of a drive, and the output of the power source is regulated.

The invention belongs to the building material field, relates to vitrification bead, thermal insulation mortar and preparation method thereof. A sepiolite fiber modified vitrification bead thermal insulation mortar has the following components of the mass percentages of: 52.5R common portland cement 35-55% fly ash5-15%, heavy calcium powder 1-5%, vitrification bead 35-55%, redispersable latex powder 0.5-2%, cellulose ether 0.1-0.3%, starch ether 0.025-0.07%, air-entrainer 0.01-0.02%, and sepiolite fiber 0.5-2%; wherein, the grades and proportions of the sepiolite fiber are: 3-5mm 30-40%, 5-10mm 40-50%, 10-15mm 20-30%. The epiolite fiber modified vitrification bead thermal insulation mortar of the present invention achieves the advantages of excellent construction performance, no-cracking, good bonding performance to wall, high strength, good thermal insulation performance and low cost.

The invention provides an air conditioner temperature control method and an air conditioner temperature control system, wherein the method includes the following steps: indoor environment temperature and outdoor environment temperature are detected; which one of a plurality of preset temperature ranges the outdoor environment temperature lies is judged, and the temperature relation between target temperature and the outdoor environment temperature corresponding to the preset temperature range is obtained; according to the temperature relation, the target temperature is calculated; the relation between the target temperature and the indoor environment temperature is judged, and according to a judgment result, the operating state of a compressor is controlled; the target temperature increases as the outdoor environment temperature increases. The regulable range of indoor environment temperature is wider, corresponding temperature control curves are adopted for the different preset temperature ranges, the change of outdoor environment temperature can be more accurately reflected by an indoor environment, the difference between indoor temperature and outdoor temperature is small, users can be more easily adapted to the change of the difference between indoor temperature and outdoor temperature, the occurrence of air-conditioning diseases such as dizziness, sunstroke and cold can be prevented, and comfort is good.

A method for adjusting the refractive power of a fluid-filled intraocular lens implanted into a patient's eye. The method comprises ablating a portion of the intraocular lens to alter either one or both of a refractive power and an amplitude of accommodation of the intraocular lens. The ablating is performed while the intraocular lens remains implanted in the patient's eye.

The invention provides a method for making a cellulose membrane taking ionic liquid as a solvent. The method comprises the following steps that: (1) floccosem or crushed cellulose is mixed with the ionic liquid and is dissolved for 0.5 to 120 hours at a temperature of between 50 and 160 DEG C to prepare a membrane making stock solution, the concentration is between 5 and 35 percent; (2) after the membrane making stock solution is filtered and deaerated, the membrane is made, wherein, a solidification solution is an ionic liquid aqueous solution with a temperature of between 0 and 95 DEG C and a concentration of between 0 and 90 percent. The method is convenient and simple as well as economic, protects the environment and satisfies the industry needs. The cellulose membrane made by the method can be taken as a packaging material, a decorating material and a printing material or a filter membrane and a reverse osmosis membrane.

The invention discloses a thermoplastic polyurethane elastomer foam bead and a preparation method thereof. The method comprises the following steps: firstly, adding thermoplastic polyurethane particles and water to a reaction kettle according to the mass ratio of 1 to (0.8-4); adding liquid carbon dioxide to the reaction kettle, and controlling the intensity of pressure and the temperature in the reaction kettle, so that the carbon dioxide in the reaction kettle is in a super-critical state; raising the temperature inside the reaction kettle to 90-140 DEG C; carrying out heat preservation; putting the materials in the kettle into a pressure tank, maintaining pressure, and cooling to below 70 DEG C; foaming the thermoplastic polyurethane elastomer particles once, and controlling the volume ratio of the reaction pressure to the pressure tank to be 1 to (15-30); putting the disposable foam particles into a storage tank, and carrying out secondary normal pressure foaming to obtain thermoplastic polyurethane elastomer foam beads; and removing the surface moisture of the foam beads, and curing the foam beads at normal pressure and normal temperature for over 48 hours, so as to obtain the product. The product disclosed by the invention has the characteristics of even and compact cells, small size, high percentage of closed area, high molding product strength, good rebound resilience and the like.

The invention discloses a method and apparatus of real-time automatic calibration and compensation for beam drift. The method comprises the following steps that: after the primary collimation of a laser beam is conducted, the laser beam sequentially passes through three beam splitter prisms to be split to obtain a bunch of work beams and three bunches of monitoring beams; and the three bunches of monitoring beams are received by corresponding photoelectric sensing devices and are respectively used for monitoring energy drift and angular offset, parallel offset as well as collimation degree drift, and each parameter of the laser beam is adjusted in real time according to the obtained monitoring information. The device comprises a laser, a single-mode fiber, a collimating lens, a pyramid prism, a first beam splitter prism, a plano-convex lens, a first photoelectric sensing device, a second beam splitter prism, a second photoelectric sensing device, a third beam splitter prism, a rhombic prism, a third photoelectric sensing device, a computer and a nano-translation stage. The method and apparatus have the advantages of high adjustment accuracy, large adjustment range, fast and accurate adjustment process, the interference with each other is not generated, and the structure of the apparatus is concise.