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11292 results about "Brush" patented technology

A brush or carbon brush is an electrical contact which conducts current between stationary wires and moving parts, most commonly in a rotating shaft. Typical applications include electric motors, alternators and electric generators.

Outer-pipe circular cutting robot for steel pipe

The invention relates to an outer-pipe circular cutting robot for a steel pipe. The robot comprises a base, a steel pipe pressing plate, a circular cutting frame, an expansion link sleeve, an expansion link, an expansion link motor, a cutting mechanism fixing plate, a rotary motor, a cutting blade, an electric brush, an expansion link rack and an expansion link cutting motor fixing frame, wherein steel pipe frame stand columns of the expansion link motor fixing plate is fixedly arranged on the base, a steel pipe fixing sleeve is fixedly arranged on the steel pipe frame stand columns, the circular cutting frame is fixedly arranged on circular cutting frame stand columns, and the circular cutting frame stand columns are fixedly arranged on the base; the expansion link is arranged on the expansion link sleeve in a sliding way, the expansion link motor is fixedly arranged on the expansion link motor fixing plate, a stretching motor gear is fixedly arranged on an expansion link motor shaft, and the stretching motor gear is meshed with the expansion link rack; and the cutting motor is fixedly arranged on the expansion link cutting motor fixing frame, and the cutting blade is fixedly arranged on the cutting motor shaft. The robot can improve the steel pipe cutting efficiency, and is high in cutting speed, trim in notches and good in effect.
Owner:青岛昊坤机械制造有限公司

Variable-frequency control electromagnetic torsion coupler and use thereof

The invention relates to a variable-frequency speed-regulating magnetic torque coupler which is characterized in that: the coupler comprises a shell, and an inner rotor mechanical axis and an outer rotor mechanical axis are arranged in the shell; the inner rotor mechanical axis is connected with an inner rotor which is supported on a static bearing frame of the inner rotor, and the outer rotor mechanical axis is connected with an outer rotor which is supported on the static bearing frame of the outer rotor; an electromagnetic coupling working air gap is formed between the inner rotor and the outer rotor; the outer rotor is internally provided with an armature winding which is connected with a group of three-phase static electric brushes by three drainage slipping rings; the three-phase static electric brush is connected with the output end of a frequency converter, and the input end of the frequency converter is connected with a three-phase alternating-current electric fence. As a variable-frequency speed-regulating technology is introduced in a simple electric transmission system, non-contact torque transmission and stepless speed regulation between two rotary mechanical shafts can be realized by utilizing the principle of variable-frequency motors. The variable-frequency speed-regulating magnetic torque coupler can be widely applied to transmission systems.
Owner:TSINGHUA UNIV

Coating spraying mechanical device for building

ActiveCN110653125ARealize double-sided brushingImprove paint brushing efficiencyLiquid surface applicatorsLiquid spraying apparatusGear wheelArchitectural engineering
The invention discloses a coating spraying mechanical device for a building, and relates to the technical field of coating spraying The coating spraying mechanical device comprises a fixing frame anda coating box, wherein a clamping mechanism used for fixing a decorative plate is connected to the fixing frame through a driving mechanism, a hanging bracket is hung on the fixing frame through an electric push rod, a brush coating mechanism communicating with the coating box is arranged at the bottom of the hanging bracket, and a turnover mechanism used for driving the decorative plate to rotateis arranged on the fixing frame. The building decoration plate is clamped and fixed through the arranged clamping mechanism, the decorative plate is sprayed and rotated through the arranged brush coating mechanism, a rack and a gear are arranged in a threaded mode, the transverse position of the brush coating mechanism is moved, different positions on the decorative plate can be fully and comprehensively brushed and coated, the arranged turnover mechanism can turn over the decorative plate, double-sided brush coating of the decorative plate is achieved, and the paint brushing efficiency of the decorative plate is greatly improved.
Owner:江西高雅科技新材料有限公司

Induction excitation type mixed excitation brushless synchronous motor

The invention relates to an induction excitation type mixed excitation brushless synchronous motor which structurally comprises a stator and a rotor. The stator comprises a stator core, an armature stator winding and a stator excitation winding, wherein the armature stator winding and the stator excitation winding are arranged in a stator groove. The rotor comprises a rotor core, permanent magnets, a plurality of rotor excitation windings, rectifier diodes and a rotary shaft, wherein the plurality of rotor excitation windings are independent from one another and short-circuited through the diodes respectively. The permanent magnets are arranged on the rotor, and the number of the permanent magnets can be determined as various forms according to an excitation requirement. When direct current is led into the stator excitation winding, constant magnetic fields are built in air gaps. When the rotary shaft rotates at the synchronous speed, excitation current of pulse vibration is inducted on the rotor windings, the size of air gap magnetic fields is changed, and output voltage of the motor is controlled by changing current intensity in the stator excitation winding. The induction excitation type mixed excitation brushless synchronous motor has the advantage of being free of brush slip ring, requiring no exciters, being simple in structure and achieving brushless excitation of the rotor excitation mixed excitation motor.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Hybrid excitation Motor

The present invention discloses a hybrid excitation motor. The comprises a stator and a rotor which are coaxially sleeved with each other; grooves are formed in the inner wall of the stator which sleeves the rotor or the rotor which sleeves the stator along the circumferential direction of the inner wall; grooves are formed in the outer surface of the rotor which is sleeved with the stator or the stator which is sleeved with the rotor; a direct-current excitation winding and an alternating-current armature winding are arranged in the stator grooves; each stator tooth is provided with protrusions which protrude out from the corresponding groove and are located at side surfaces of two sides of the groove; each protrusion is provided with a permanent magnet; the polarities of the two permanent magnets arranged at the two side surfaces of each stator tooth are the same; and the polarities of the permanent magnets of two adjacent teeth are opposite. When the motor of the invention operates at a low speed, current in the direct-current winding is positive, a total excitation magnetic field can be enhanced, and the overload capacity of the motor can be improved; and when the motor operates at a high speed, the current in the direct-current winding is negative, the total magnetic field can be weakened, and the flux weakening ability of the motor can be improved. The excitation motor of the invention has the advantages of low risk of irreversible demagnetization of the permanent magnets, small magnetic resistance of excitation magnetic fields, strong flux adjustment ability of the excitation windings and reliable and stable operation. According to the motor of the invention, slip rings and electric brushes are not needed, and therefore, problems such as the problem of sparks can be avoided.
Owner:HUAZHONG UNIV OF SCI & TECH

Semi-automatic efficient steel pipe outer wall cleaning device

The invention relates to a semi-automatic efficient steel pipe outer wall cleaning device which comprises a support plate, motors, pipe fitting fixing covers, support pillars, guide rail brackets, a movable bracket, bending plate locating plates, a hair brush fixing rack and clamp cylinders, wherein the support plate is provided with the pair of pipe fitting fixing covers; one side of each pipe fitting fixing cover is connected with a rotating shaft of the corresponding motor; the motors are arranged on the support plate; the clamp cylinders are fixed on the inner walls of the pipe fitting fixing covers; the bending plate locating plates are respectively arranged on telescopic rods of the clamp cylinders; the support pillars are respectively arranged at the two sides of the pipe fitting fixing covers; the two ends of the guide rail brackets are respectively connected with the upper ends of the support pillars arranged at one side of one pipe fitting fixing cover and one side of the other pipe fitting fixing cover; the bottom of the movable bracket is provided with the hair brush fixing rack; a hair brush is arranged under the hair brush fixing rack; the movable bracket is blocked on the two guide rail brackets by hook racks. According to the semi-automatic efficient steel pipe outer wall cleaning device, a steel pipe only needs to be fixed, the movable bracket is adjusted to different positions, and the two ends of the steel pipe are slightly cleaned, so that the whole cleaning is completed.
Owner:ZHANGJIAGANG CITY SHENGDINGYUAN PIPE MAKING

Process for producing low-noise and high-performance electric brushes by using copper-coated graphite powder

The invention discloses a process for producing low-noise and high-performance electric brushes by using substitutional copper-coated graphite powder, and the process comprises the following steps: 1) kneading graphite powder and a bonding agent together so as to obtain colloidal graphite powder; 2) mixing the colloidal graphite powder, additives and a release agent so as to obtain mixed powder; 3) adding methanol or a gasoline low-carbon-residue binder dilute-solution in the mixed powder, mixing and then adding copper coated graphite powder into the obtained mixture; and 4) airing the material powder mixed in the step 3), pressing the material powder, and finally, sintering the material powder, thereby obtaining a low-noise and high-performance electric brush. According to the process disclosed by the invention, through adopting chemical substitutional copper coated graphite powder which can be industrialized as raw materials, and overcoming the defects that a chemical substitutional copper coated graphite powder coating is loose, porous and poor in binding force, and in the process of application, a copper plating layer is easy to fall off, a low-noise and high-performance electric brush is prepared. According to the process, a product can be obtained just through one-step molding and low-temperature heat treatment, therefore, the process is simple in working procedure, low in energy consumption, high in efficiency and short in production cycle, and the cost of the process is lower than that of a process implemented by using electrographite.
Owner:自贡恒基电碳厂

Epidemic prevention disinfection cleaning robot

ActiveCN111562782AFill in the gaps in disinfection and cleaning intelligent operationsComprehensive disinfection and disinfectionProgramme-controlled manipulatorLavatory sanitorySteering wheelControl system
The invention discloses an epidemic prevention disinfection cleaning robot, which comprises a walking robot body, a water tank assembly, a brush disc assembly, a water absorption assembly, a sprayingdisinfection device, an unmanned driving system and an electrical control system, wherein the walking robot body is provided with walking wheels and a steering wheel; the water tank assembly is used for containing a disinfection solution for operation and floor washing wastewater; the brush disc assembly is movably arranged at the front end of the walking robot body and used for cleaning the ground; the water absorption assembly is used for collecting the floor washing wastewater and conveying the floor washing wastewater to the water tank assembly; the spraying disinfection device is used forcarrying out spraying disinfection on the surface of the specified object according to set duration; the unmanned driving system is used for controlling the walking robot body to automatically complete the walking in the operation area and the recognition of the specified object according to a set driving strategy; and the electrical control system is electrically connected with the walking robotbody, the water tank assembly, the brush disc assembly, the water absorption assembly, the spraying disinfection device and the unmanned driving system. The epidemic prevention disinfection cleaningrobot has automatic cleaning and disinfection functions, solves the problems of low efficiency, incomplete range and difficulty in safety guarantee of manual cleaning and disinfection operation, and provides powerful technical support for practically well performing epidemic prevention and control work.
Owner:ZOOMLION ENVIRONMENTAL IND CO LTD +1

Electrolytic copper foil generator

The invention belongs to the field of production devices of electrolytic copper foils, and in particular relates to an electrolytic copper foil generator which comprises a frame, an anode tank, an anode plate, a cathode roll and a winding roll, and also comprises a liquid extruding roll, a brush cylinder, a water sprayer, a water extruding roll, a tension roll, a bearing block and a tension sensor. The electrolytic copper foil generator has a simple structure, and has the advantages of thoroughly eliminating a copper sulfate solution attached to the surface of a copper foil, effectively inhibiting the oxidization blackening of the surface of the copper foil, prolonging the storage time of the electrolytic copper foil before a subsequent surface treatment procedure is carried out, ensuring that the produced electrolytic copper foil can be stored for 6-8 days and the production time of the subsequent surface treatment of the electrolytic copper foil can be arranged more flexibly, and improving quality and service life of the electrolytic copper foil. The electrolytic copper foil generator ensures the size precision and the winding quality of the copper foil though detecting the actual tension of the copper foil in real time, and can also be suitable for the condition of larger winding radius.
Owner:赣州逸豪新材料股份有限公司

Electric driving-type sweeping and cleaning all-in-one machine

The invention discloses an electric driving-type sweeping and cleaning all-in-one machine. The electric driving-type sweeping and cleaning all-in-one machine comprises a chassis, a driving system, a sweeping and cleaning system, a water scraping system and a central control system. The driving system comprises a driving motor and a steering wheel. The driving motor drives rear wheels to rotate. The sweeping and cleaning system comprises side brushes and a roll brush, wherein the side brushes are installed on the two sides of the portion below the front portion of the chassis, and the roll brush is installed below the middle of the chassis. The water scraping system comprises a water scraping rake, a water absorption tube, fans and a fan connecting tube. The electric driving-type sweeping and cleaning all-in-one machine is a driving-type ground cleaning machine driven by a storage battery, ground surfaces of different types can be efficiently swept and cleaned, and the electric driving-type sweeping and cleaning all-in-one machine is easy to operate, safe, comfortable, free of secondary pollution and large in cleaning width. The size of a water tank is large, the electric driving-type sweeping and cleaning all-in-one machine can work for half an hour every time, the continuous working time can be about 4 hours, and the problems that the speed of cleaning the ground surfaces by workers is low, and the cleaning effect is not ideal are greatly solved; meanwhile, due to the effect of water absorption by the double fans, the water absorbing efficiency of an existing single fan is improved.
Owner:WUHU AIRUITE ENVIRONMENTAL TECH

Electric power unit for two-wheel vehicles

An electric power unit for two-wheel vehicles comprising a batteries housing, from which current is supplied to a DC magnetic motor that is connected to a controller assembly, and a chain transmission driven by the DC magnetic motor, which is adapted to actuate a driven wheel of a two-wheel vehicle. The latter has a frame to which the electrical power unit for two-wheel vehicles is attached. The batteries housing incorporates a structure having two outwardly open compartments between which a hollow zone is interposed. Each of the two outwardly open compartments is divided in several partitions. Each of the several partitions is adaptable to receive one of several rechargeable batteries that are provided with terminals for contacting a wiring. Each of the two outwardly open compartments is provided with air channels air for heating the several rechargeable batteries. The DC magnetic motor with speed control comprises a stator including several alternating, equally spaced, permanent magnets that form a pair of parallel, concentric discs, a rotor including a central armature in a disc form, with two-loop windings and an even number of commuter segments. The commuter segments with odd ordinal numbers form first loop windings. The commuter segments with even ordinal numbers form second loop windings. Several brushes are disposed in a conventional holder that is concentrically affixed to the rotor. Half of the several brushes are used for starting the DC magnetic motor, while another half are used for regular functioning.
Owner:VU OANH NGOC
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