49results about How to "Adapt to different requirements" patented technology

The invention relates to a preparation method of non-ionic waterborne polyurethane-polyacrylate composite emulsion for leather finishing. The preparation method comprises the following steps: after low polymer dihydric alcohol, diisocyanate and a hydrophilia chain extender are stirred for reaction, cooling to indoor temperature and adding an acrylate monomer and a certain amount of a solvent for reducing viscosity; adding water for emulsification under the high-speed dispersion; then adding a micromolecule polyamine chain extender to conduct chain extension in water to obtain an acrylate monomer-polyurethane waterborne dispersing emulsion; then introducing nitrogen, heating, dropwise adding a water solution containing an initiator to trigger seeding emulsion polymerization, and continuously keeping warm to obtain the composite emulsion. The composite emulsion prepared by the invention has the advantages of low viscosity, good permeability, emulsion stability, freeze-thaw resistance, hydrolytic resistance, and excellent electrolyte resistance and acid-base resistance property, can be used for compounding with anion resin and further with cationic resin, has an excellent knurling setting property, and is particularly suitable for being used as a leather finishing agent.

The invention provides an elastic sorting device of a potato separator. The device is characterized in that long and short connecting pieces of an extension frame are overlapped and connected to form five rhombuses with sequence numbers of I, II, III, IV and V; a motor frame is mounted in the hinged place of end parts of the long connecting piece of the rhombus III; a speed reducing motor is connected with a flange of the motor frame, and drives each elastic sorting roller, supported on the extension frame by two ends, to rotate through a transmission device; after two ends of one elastic sorting roller I and one elastic sorting roller II respectively penetrate through circular holes in short connecting piece bosses of the rhombuses I and V, extension ends in the direction of the speed reducing motor are connected with single-row chain wheels; the extension ends, penetrating through the extension frame, of the rest elastic sorting rollers are all connected with the single-row chain wheels, and penetrate through the single-row chain wheels in the hinged place of the rhombuses II and III; and the extension ends towards the speed reducing motor are connected with the speed reducing motor. The device can conveniently classify cleaned potatoes, and is low in skin breakage rate, stable and reliable in work, uniform and thorough in sorting and wide in application range.

The invention relates to agriculture pesticide spraying machinery, in particular to a mechanical device of a farmland toward-target pesticide spraying machine. The mechanical device of the farmland toward-target pesticide spraying machine comprises a rack assembly (1), a movable frame assembly (2), a spray support assembly (3) and spray manipulator assemblies (4). The movable frame assembly (2) can simultaneously adjust the operation heights of nozzles in a wider range, and the operation heights of the nozzles are not affected by heeling of a vehicle body; the spray support assembly (3) can be unfolded and folded conveniently, the breadth of operation is guaranteed, and the turning radius and the packing space are reduced; the spray manipulator assemblies (4) can make a single nozzle to conduct displacement in the horizontal direction and perpendicular direction in a small range, so that different requirements of crop individuals for pesticide spraying positions are met; in addition, distances between the spray manipulator assemblies (4) are easy to adjust, and the mechanical device can be suitable for crops with different ridging spacing.

The invention relates to the field of automatic control of agricultural machinery, and especially relates to an electric automatic steering system for the agricultural machinery. The electric automatic steering system for the agricultural machinery comprises an automatic steering device. The automatic steering device comprises a steering control, a planetary gear reduction mechanism and a disk brushless motor which are coaxially arranged in sequence. The planetary gear reduction mechanism and the disk brushless motor are arranged in a casing. The disk brushless motor is connected with the planetary gear reduction mechanism. The planetary gear reduction mechanism is connected with a connection flange. The connection flange passes through centers of the steering control, the planetary gear reduction mechanism and the disk brushless motor. One end of the connection flange is connected with the steering control, and the other end of the connection flange is connected with a steering shaftof a steering column. The steering column is connected with a mechanical steering device. The mechanical steering device enables a steering wheel to rotate. The steering wheel is provided with a rotation angle sensor. The rotation angle sensor is connected with an electronic control unit. The electronic control unit is connected with a motor driver. The motor driver is connected with the disk brushless motor.

The invention discloses a medical bed with the bath taking function and belongs to the technical field of medical instruments. The medical bed comprises a bed plate, a bed frame and a vacuum excreta collector; a connection rod support is arranged on cross rods and provided with two cot bed supporting frames; the cot bed supporting frames are provided with a bathing cot bed; the two ends of the bathing cot bed are arranged on the two cot bed supporting frames respectively; an inflating bathtub is arranged below the bathing cot bed; the connecting rod support and the cross rods are locked and connected through U-shaped locking blocks; the cross rods and supporting rods are connected through U-shaped locking blocks; when the U-shaped locking blocks are opened, the supporting rods can be detached from the cross rods; a water outlet of the inflating bathtub is connected with a water drain pipe which is connected with a waste water collecting device; a showering sprayer is further arranged above the inflating bathtub; a hanging device is arranged on one side of the bed frame, and the inflating bathtub is connected with an automatic inflating device. The medical bed can effectively avoid other diseases caused when a patient lies for a long time, relieve the pain of the patient, and improve the comfort degree of the patient and is favorable for rehabilitation of the patient.

The invention discloses a table capable of realizing the multi-angle regulation. The table consists of a table top, a base and a support frame body, wherein the support frame body is connected with the table top and the base, the support frame body consists of crossed support rods, each support rod comprises a first end and a second end, the two side edge parts of the bottom of the table top in the width direction are respectively pivoted with the first ends of the support rods, the base is movably pivoted with the second ends of the support rods, a plurality of positioning holes are arranged on the support rods, and positioning pins penetrate through and inserts into positioning holes arranged in corresponding positions of the crossed support rods. The table has the advantages that the structure is simple and compact, the table is portable and convenient, the cost is low, the size is small, the weight is light, in addition, the table can be folded to be stored and cannot occupy a greater space, the inclination angle of the table top is fast, safely and reliably regulated according to personnel requirements, and the hommization and individuation design principles are realized.

The invention discloses an intelligent vacuum pedestal pan for a nursing bed, and belongs to the technical field of medical apparatus and instruments. The intelligent vacuum pedestal pan for the nursing bed comprises a support device, a pedestal pan body, a feces collection device, a clear water tank and a drying device; the pedestal pan body is connected with the feces collection device through a blowdown pipe, the pedestal pan body is connected with the clear water tank through a clear water pipe, the pedestal pan body is connected with the drying device through a pressurizing pipe and a pressurizing valve, and the pedestal pan body is provided with a vacuum generator and a control circuit; the pedestal pan body comprises a splash shield, a pedestal pan upper cover and a connector, an intelligent toilet lid serves as the pedestal pan upper cover and is provided with a power key, a flushing key, a drying key, a deodorization key and a washing key, the connector comprises a drying air outlet, a water outlet and a flushing nozzle, a vacuum pump is arranged between the pressurizing pipe and the pressurizing valve, an intelligent circuit board is arranged in the intelligent toilet lid, and the intelligent circuit board is controlled by PLC programming. By means of the intelligent vacuum pedestal pan for the nursing bed, other diseases caused by long time lying of a patient can be effectively avoided, pain of the patient is alleviated, comfort of the patient is improved, and rehabilitation therapy of the patient is facilitated.

The invention provides a pulsed magnet field generator based on coil spherical focusing and IGBT single transistor parallel connection. The pulsed magnet field generator comprises a power supply system, a pulse current forming system, five coil spherical optimization focusing devices, a signal transformation system and a synchronized trigger module, and the switching power supply of the power supply system carry out voltage reduction on an alternating current power supply to form direct currents, is connected with the pulse current forming system, the signal transformation system and the synchronized trigger module and supplies power. The output ends of pulse generating modules M1-M5are connected with current carrying coils C1-C5 in the five coil spherical optimization focusing devices respectively. The electrical-optical converter J2 of the signal transformation system is respectively connected with the control ends of the pulse generating modules M1-M5. The output end of the synchronized trigger module is respectively connected with the electrical-optical converter J1 and the electrical-optical converter J2 of the signal transformation system. The pulsed magnet field generator is high in integration level, longer in service life and higher in work efficiency, the circuit size is greatly reduced, and the loss of the whole circuit is lowered.

Provided is a visual training device, comprising a display device, a drive device driving the display device, a processor connected to the display device and the drive device, a button connected to the processor, and an observation window for observing the display device. The visual training device control method comprises the following steps: S1: according to a mode selection instruction inputted by the button, the processor outputs a movement control instruction and/or a playback control instruction; S2: according to the movement control instruction, the drive device drives the display device to move in accordance with the movements corresponding to the mode selection instruction; and/or S3: according to the playback control instruction, the display device displays a corresponding video signal. The control method can, according to the different eye states of a user, adjust the manner of movement of the display device to yield different training and improve training effectiveness, and also has the advantages of ease of use and adaptability to different requirements.

The invention discloses a smashing and dusting machine for fine coal, which comprises a rack, wherein a smashing chamber and a fan chamber are arranged on the rack; a channel is formed between the fan chamber and the smashing chamber; an upper baffle plate and a lower baffle plate are arranged on the channel; the upper baffle plate is fixed above the channel; the lower baffle plate is fixed below the channel; the bottom end of the upper baffle plate is lower than the top end of the lower baffle plate; an air inlet is formed in the smashing chamber; a discharge hole is formed in the fan chamber; a screw propeller is arranged on the side edge of the smashing chamber; a feeding hopper is arranged above the screw propeller; the feeding hopper corresponds to a feed end of the screw propeller; and a discharge end of the screw propeller is connected with the smashing chamber. The machine integrates smashing and delivery, and can meet requirements of high-speed flow production.

The invention provides a focal plane reading circuit in a line-by-line or interlacing optional reading mode. The problems that an existing focal plane reading circuit is in a line-by-line reading mode and cannot meet the requirements of PAL, NTSC and other television systems are solved. The focal plane reading circuit in the line-by-line or interlacing optional reading mode comprises a line reading enable signal generating module, a line address generating module and a line decoding module. The line reading enable signal generating module can collect other signals in the circuit, processes the signals and outputs the line reading enable signals. The line address generating module is in a line-by-line or interlacing reading mode under the control of line-by-line or interlacing optional control signals. The line decoding module can be in a line-by-line or interlacing reading mode under the control of odd or even line enable control signals. In addition, the field-synchronizing signals and line-by-line or interlacing optional control signals are arranged. The focal plane reading circuit has the advantages that line-by-line reading or interlacing optional reading can be switched for the focal plane reading circuit conveniently, and different requirements of the television systems are met.

The embodiment of the invention discloses a Doherty power amplification circuit, a power amplifier, a terminal and a base station. The Doherty power amplification circuit comprises an input network which is used for decomposing an input signal into a first signal and a second signal and outputting the first signal and the second signal; The main transistor which is used for receiving the first signal and amplifying the first signal to generate a first amplified signal; The peak transistor which is used for receiving the second signal and amplifying the second signal to generate a second amplified signal; The broadband load modulation network which is connected with the output end of the main transistor and the output end of the peak transistor and used for synthesizing and outputting the first amplification signal and the second amplification signal, Wherein the relative bandwidth of the broadband load modulation network is greater than a preset threshold; And the output matching network which is used for receiving and outputting the synthesized signal, and converting the output impedance of the broadband load modulation network into a preset impedance matched with a post-stage circuit. By adopting the embodiment of the invention, the Doherty power amplification circuit can support a broadband application scene.

The invention discloses an earth and stone work conveying vehicle, and relates to the field of earth and stone work conveying equipment. The earth and stone work conveying vehicle comprises first supporting seats and a second supporting seat. Two round connecting blocks extend out of two opposite lateral sides of each first supporting seat correspondingly. A connecting column is fixedly connectedbetween the two connecting blocks. The two ends of the second supporting seat are respectively provided with a round pipe. The two first supporting seats are connected with the round pipes in a rotating fit mode through the connecting columns. The bottom surfaces of the first supporting seats and the bottom surface of the second supporting seat are respectively provided with a fixing plate. Two oil cylinders are vertically arranged on the bottom surfaces of the fixing plates side by side. According to the earth and stone work conveying vehicle, a first supporting plate structure and a second supporting plate structure with the oil cylinders and moving wheels are provided, two rotating rollers with rubber conveying belts are installed on the two supporting plate structures, earth and stonework buffering collecting grooves and movable connecting pieces are connected between adjacent earth and stone work conveying vehicles, height adjustment of oil cylinders is carried out according to the environment and the terrain, the labor cost and the material cost are saved, and requirements for working in different environments with different terrains are met.

A Chinese medicine in the form of spray for the treating and first aid of cardiovascular diseases is prepared from Chuan-xiong rhizome through slicing, immersing in alcohol, extracting to obtain powder, supercritical CO2 extracting to obtain common cnidium base, mixing it with distilled water, and nano emulsifying. Its advantages are high curative effect, no toxic by-effect and convenient application.

The invention provides a multicasting method and device for wireless communication; the multicasting method comprises the following steps of: respectively extracting bits with the same importance grade from video blocks in a video frame so as to form a plurality of data streams with different importance grades; sequentially and circularly coding the plurality of data streams by using multiple different coding rates; dividing the plurality of coded data streams into a plurality of groups according to the importance grade, and distributing different powers to the groups; and carrying multicasting on the plurality of data streams according to the distributed powers. According to the method and device of the invention, the smooth quality degradation of receiving signals can be realized, and very good frequency spectrum efficiency can be obtained. In addition, as the grouping size, the coding rate, the power distribution grade in the multicasting method and device are configurable, good elasticity and flexibility are supplied, and the multicasting method and device are suitable for different requirements of operators.

The invention discloses a building wall dismantling device and process, and belongs to the technical field of building walls.The building wall dismantling process comprises the following steps that a wall surface layer structure is removed, and the distribution condition of brick structures in a wall is exposed; connecting structures between the brick structures are cut; and the module with the complete brick structure is disassembled, and therefore wall disassembling is completed. When the wall body is dismantled, the beneficial effect that damage to the brick structures in the wall body is reduced is achieved, and therefore the dismantled brick structures can be conveniently stored, transported and recycled, and the energy-saving and environment-friendly effects are achieved.

The invention discloses a scale absorption device used in water treatment. The scale absorption device comprises a master control unit, a power source transformation circuit, a signal generation circuit, a current-limiting circuit and an output circuit, wherein the power source transformation circuit, the signal generation circuit and the current-limiting circuit are connected with the master control unit; the output circuit is connected with the signal generation circuit; the power source transformation circuit is connected with the output circuit through the current-limiting circuit; and the power source transformation circuit comprises multi-gear voltage output. With the adoption of the scale absorption device used in the water treatment, after the master control unit is adopted, the operation is intelligentialized, and the controlled switch devices are not easy to damage; and meanwhile, the power source transformation circuit with the multi-gear voltage output is adopted, so that the output voltage change range is enabled to be large, and the scale absorption device used in the water treatment is suitable for different requirements, and has the advantages of being simple in structure and low in damage.

The invention discloses a modular dust removal and denitration integrated apparatus. The apparatus comprises a denitration system and a dust removal system which are respectively arranged at the upperpart and the lower part of the same chamber of a tank body and are separated by a heat exchanger in the middle, the dust removal system is connected with an air inlet channel, and the denitration system is connected with an air outlet channel; the dust removal system comprises a dust removal bucket, a dust remover and a blowing device, and the air inlet channel is connected to the chamber where the dust remover is located; the denitration system comprises a reducing agent injection device, a rectification grid and a catalyst device, and the air outlet channel is arranged at the top end of thedenitration chamber; and a bypass flue gas channel is arranged between the air inlet channel and the air outlet channel and is arranged outside the tank body. The dust removal system and the denitration system are vertically arranged in the same tank body, so that cooperative treatment of dust removal and denitration is realized, and the occupied space of the apparatus is reduced; and the catalyst device is arranged in a modular mode, so the catalyst device and the dust remover with the same area have the same flue gas treatment capacity and can be flexibly arranged to meet different requirements.

An automatic adhering machine for adhering the surface paper for color photo with the corrugated board with hot-fusible adhesive features that the wall plate is installed to base and the paper feeder, adhesive applying unit, tooth-matched locating arc adhering unit, paper output unit and delivering unit are respectively installed to wall plate. Its advantages are high productivity, high adhesion and smooth surface.

The vapor deposition device for a vacuum vapor deposition device has an evaporator ( 3 ) heated by an electric heating rod ( 8 ), which is connected to a nozzle body ( 1 ) designed as a hollow body. For vapor deposition, the steam flows from the evaporator (3) into the nozzle body (1) and from there out of the nozzle gap (2).