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119results about How to "Realize electric control" patented technology

Wheelchair capable of climbing stairs continuously

The invention discloses a wheelchair capable of climbing stairs continuously. The wheelchair comprises a wheelchair frame, a seat, and trundles arranged on front and rear feet of the wheelchair frame, wherein a turning wheel is movably and rotatably bolted on the wheelchair frame and above a rotating shaft of each trundle; a climbing arm is fixedly arranged on each turning wheel; the lowest point in a rotating track of the tail end of each climbing arm is lower than the lowest point of each trundle; and the turning wheels are matched in a synchronous rotation way. With adoption of the technical scheme, the climbing arms can perform unidirectional and continuous climbing actions by utilizing the continuous rotation of the turning wheels, so that the efficiency of stair climbing is enhanced; and compared with a stair climbing wheelchair in background technology, the wheelchair disclosed by the invention is more simplified in structure, and electric control can be realized in the whole course of the wheelchair, so that a feeble and sick patient can operate the wheelchair well.
Owner:刘铁儿

Microwave attenuator

The present invention discloses a microwave attenuator, belonging to the technical field of microwave passive components. The microwave attenuator comprises a substrate, a dielectric layer, a metal wire, a metal ground wire, and a thin film resistor which is a single layer graphene. The microwave attenuator disclosed by the invention has the advantages of easy integration, wide working frequency band and can be used as a fixed attenuator and a variable attenuator, and an electrically controlled or optically controlled variable attenuator can be realized.
Owner:PEKING UNIV

Test device for safety lock of high-rise working cradle

An experimental unit of suspended basket security keylock in high-lift operation relates to an experimental unit that comprises: supporting leg, dropped iron, parallel, pusher clusters, elastic machine, sensor, upper beam, elevator, bridging beam, power distribution wire, power distribution control pedestal, safe tension monitoring device, platform horizontal monitoring mechanism. The upper beam and the bridging beam are mounted on the upper part of supporting leg via flanged connection, the elevator is mounted on the beam, the elastic machine and parallel are hung on the elevator, the elastic machine is connected with the pusher clusters via brace, the dropped iron is mounted under the parallel equipped with additional weight iron, the suspended buffer and sensor are located on the beam, the safe tension monitoring device consists of tension sensor and secondary instrument, the upper beam is case welded by steel sheet; The unit reinforces quality inspection for security keylock, eliminates the accident potential caused by quality problems of security keylock. The equipment and personal safety can be safeguarded effectively.
Owner:辽宁省安全科学研究院

Rotary drilling machine with adjustable perpendicularity

The invention discloses a rotary drilling machine with adjustable perpendicularity. The rotary drilling machine comprises a perpendicularity adjusting device and a drilling device. The perpendicularity adjusting device comprises a direction turning mechanism rotating around a vertical shaft and a rotation mechanism hinged to the direction turning mechanism through a cross shaft, and the drilling device is arranged on the upper portion of the rotation mechanism. The rotary drilling machine can be installed on a movable platform, the perpendicularity and coordinates can be adjusted fast, drilling operation can be implemented on the top face and the side face, multiple array drilling function can be achieved through one-time location, the drilling operation is easy, convenient, safe and efficient, electronic control and intelligent operation can be achieved, the automation degree is high, and an operator can operate the rotary drilling machine in an manipulation cabin; a dust collection and prevention system is arranged, so that work environment is improved, and worker health is ensured.
Owner:李鹏飞

Two dimension electro-optical switch array device based on microfluidic technology

The invention relates to a two dimension electro-optical switch array device based on a microfluidic technology, adopting a structure of an air storage layer plus a waveguide layer plus a fluid storage layer, wherein, the waveguide layer comprises a flat basement (7), a waveguide structure (8) which is arranged in a matrix form is arranged on the basement, a fluid cavity (9) is arranged at a waveguide cross node, the edge of the basement is provided with an air-fluid connecting channel (10),and an electronic control optical switch unit array (11) is arranged at the fluid cavity (9) at the waveguide cross node; the air storage layer is a sealing container (1) which stores the air, the edge of the container is provided with an air pressure adjusting control hole (4), an air-fluid connecting open hole (5) at the bottom part penetrates the waveguide layer and is communicated with the fluid storage layer, an electrode open hole (6) which is consistent with the waveguide cross node is arranged on the container, thereby being convenient to show an optical switch control unit electrode (18); the fluid storage layer is a container which is open ended at the upper end and stores the fluid, the fluid storage layer is sealed through combining the waveguide layer, the microcontainer inner surface tension is changed through an electro wetting effect to adjust the height of a liquid column, thereby realizing total reflection and total transmission of a light beam and further realizing the opening and closing actions of the light.
Owner:NANJING UNIV OF POSTS & TELECOMM

Fallen leaf collecting and treating device

The invention discloses a fallen leaf collecting and treating device, and belongs to the field of fallen leaf sweeping tools. The device comprises a body frame, a secondary crushing structure, a secondary wind power leaf absorption structure, an inclined channel, a suction fan a, a suction fan b, a primary leaf absorption structure and two sweeping structures, driving motors of the sweeping structures are mounted on two sides of the front end of the body frame, the primary leaf absorption structure is mounted in the middles of the two sweeping structures and mounted at the front end of the body bottom plate, the rear end of the primary leaf absorption structure is connected with the suction fan a and the suction fan b, the other end of the suction fan a and the other end of the suction fanb are connected with the one end of the inclined channel, the inclined channel formed in a 45-degree inclined plane of the front side of a fallen leaf collecting box, the other end of the inclined channel is connected with one end of the secondary wind power leaf absorption structure, the other end of the secondary wind power leaf absorption structure is connected with the secondary crushing structure, and the secondary crushing structure is mounted at an opening in the top surface of the fallen leaf collecting box. According to the device, the fallen leaves are collected and treated, and cleaning and environmental protection can be ensured.
Owner:荆门怡盛源环保科技有限公司

Electronically-controlled type automatic rice seedling disc supply machine

The invention discloses an electronically-controlled type automatic rice seedling disc supply machine. The electronically-controlled type automatic rice seedling disc supply machine comprises a rack, a rack support, a guide plate, a control box, a rubber roller wheel conveying mechanism, a disc supply mechanism and a sensing detection mechanism; and the rack support is arranged below the rack, the guide plate is arranged on the rack, and the control box is arranged at the bottom of the rack. The electronically-controlled type automatic rice seedling disc supply machine is reasonable in design and high in adaptability and saves cost; the electronically-controlled type automatic rice seedling disc supply machine which is small in vibration and impact and stable is adopted, the automatic disc supply operation on soft and hard seedling discs is achieved, and a steering engine and a control system which are small in vibration and stable in disc placement are selected for achieving electronic control; and by means of the electronically-controlled type automatic rice seedling disc supply machine, the automatic degree of a rice seedling disc seedling raising and sowing production line is improved, the labor intensity of seedling raising by peasants is reduced, and the production efficiency of the seedling raising production line is improved.
Owner:SOUTH CHINA AGRI UNIV

Card holder assembly, electronic device, and card holder assembly control method

The invention provides a card holder assembly, an electronic device, and a card holder assembly control method. The card holder assembly is applied to the electronic device. The electronic device includes a housing, wherein the housing is provided with an ejection hole. The card holder assembly includes a card holder and a first ejection mechanism, wherein the first ejection mechanism includes a first motor and a first ejection member sleeving a first output shaft of the first motor; the first ejection member and the card holder are fixedly connected; and the first output shaft of the first motor makes rotary motion to drive the first ejection member to move along a straight line so as to enable the card holder to stretch out from the ejection hole or retract into the ejection hole. The technical scheme of the card holder assembly, the electronic device and the card holder assembly control method is conductive to improving convenience for operation of the card holder assembly.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Electric control piston oil injection cooling system and working method thereof

The invention discloses an electric control piston oil injection cooling system and a working method thereof. Through a double-oil-injection working mode of an oil injection nozzle at the bottom of apiston, the effect of cooling a cold oil cavity in the piston and the effect of cooling the bottom of the piston are achieved. The double-oil-injection mode of an inner nozzle and an oil injection nozzle outer sleeve is adopted for the oil injection nozzle, a plurality of obliquely upward outer injection holes are distributed in the side face of the tail section of the oil injection nozzle outer sleeve in the circumferential direction, and the multiple outer injection holes form an outer annular nozzle. A heating oil channel connected with an inlet of the oil injection nozzle is arranged between an oil filter and an oil cooler, an oil heater is installed in the heating oil channel, a hot electromagnetic valve switch is installed on a pipeline close to an inlet of the oil heater, an auxiliary oil channel is arranged at the connecting position of the oil heater and the inlet of the oil injection nozzle and connected to a main oil channel, and a cold electromagnetic valve switch is installed on the auxiliary oil channel. According to the electric control piston oil injection cooling system and the working method thereof, lubricating oil injection of the cold oil cavity in the piston and lubricating oil injection of the bottom of the piston can be achieved, the lubricating condition of the piston and a cylinder sleeve during cold starting is improved, and the heat efficiency of aninternal combustion engine is improved.
Owner:HEBEI UNIV OF TECH

Variable dual-tail-fin device for swimming

InactiveCN107224709AHas the characteristic of changing with speedImprove efficiencyGymnastic exercisingSwim finsEngineeringIntelligent control
The invention discloses a variable double tail fin equipment for swimming, which comprises a left tail fin, a right tail fin, and a double tail fin fixing rod. At least one caudal fin hinge structure is connected, and the fin span width or the fin span area of ​​the left caudal fin plus the right caudal fin is variable; the variable double tail fin equipment for swimming also includes double tail fin intelligent control components, At least one of the left tail fin and the right tail fin is connected with the double tail fin control mechanism of the double tail fin intelligent control part through at least one linkage element between each other, which can realize the electric motor of fin width change or fin spread area change. Manipulation and automatic adjustment with speed; the variable double tail fin equipment for swimming is fixed or bound to at least one calf or at least one foot of the swimmer through the double tail fin fixing rod.
Owner:朱光

Closestool cover plate hinged cover-turning mechanism

A hinged flip cover mechanism of a toilet seat cover, comprising a seat, a toilet seat cover and hinge modules (3); the toilet seat cover is connected to the seat via the hinge modules (3); when the toilet seat cover is flipped open, a gap between the toilet seat cover and the seat is gradually increased with the flip angle, and when the toilet seat cover is closed, the gap between the toilet seat cover and the seat is gradually reduced with the closing angle; the hinge modules comprise a first hinge crank (32) and a second hinge crank (33); the first end of the first hinge crank (32) is slidably fit to the rear part of the toilet seat cover, and the second end of the first hinge cranks (32) is rotatably connected to the rear part of the toilet seat cover; and the middle part of the first hinge crank (32) is pivotally connected to the middle part of the second hinge crank (33). The device has a small overall height and supports small-gap flipping, and has a toilet seat cover with a neat overall appearance, has a small footprint, and is easy to clean.
Owner:XIAMEN AXENT

Concrete preparing, mobile filling and vibrating integration device and method

The invention provides a concrete preparing, mobile filling and vibrating integration device and method. The integration device comprises a base and a control desk. Sliding rails are arranged on the base. A vibration table capable of moving along the sliding rails is arranged on the sliding rails. A three-dimensional motion working platform is arranged on the base and can drive a machine base to move on the base. A stirrer is arranged on the machine base. A filling machine is arranged at a discharge port of the stirrer. An outlet of the filling machine faces the vibration table. The control desk is used for controlling the vibration table and the three-dimensional motion working platform to move so as to control the filling position, the filling height and / or vibration parameters.
Owner:SHANDONG UNIV +1

Parking spot lock

InactiveCN103883149ARealize electric controlRealize universal applicationParkingsIn vehicleRemote control
The invention discloses a parking spot lock, and belongs to the technical field of vehicle management equipment. A system is composed of an in-vehicle remote control unit and a remote control parking spot lock body. The parking spot lock is characterized in that when a motor rotates, a support is driven to ascend or descend, and when the support rises, a triangular parking space is formed.
Owner:薛旭忠

Microscope focusing device based on ultrasonic motor drive

The invention discloses a microscope focusing device based on ultrasonic motor drive. An ultrasonic motor, bevel gears and bevel racks cooperate with one another to electrically control a support plate to move up and down, and the structure is very simple. During usage, the support plate can be controlled to move on any scale under the drive of the ultrasonic motor, so that the clearest focal length can be found out easily. The ultrasonic motor has no inertia during reciprocating, meanwhile, one adjusting mechanism is arranged between one bevel gear and the ultrasonic motor, one adjusting mechanism is arranged between the other bevel gear and an encoder, the bevel gears and the bevel racks can be always meshed closely by the aid of the adjusting mechanisms, and mechanical errors of a traditional structure are avoided when the support plate is controlled to move up and down. The ultrasonic motor, the bevel gears and the bevel racks cooperate with one another, the kinematic accuracy of the support plate is up to plus / minus 2 mu m through experiments, and the focusing accuracy of the focusing device is much higher than that of a traditional focusing structure.
Owner:苏勋涛 +1

Compound temperature control effluent faucet

The invention discloses a compound temperature control effluent faucet which comprises a faucet main body and a mechanical handle, wherein two ends of the faucet main body are a water inlet and a water outlet, separately, a voice module and a display module are arranged at the water outlet, a hot water path, a mixed water path, a cold water path and a control module are arranged at the water inlet, and the mixed water path communicates to the water outlet; the voice module, the display module, the hot water path and the cold water path are electrically connected to the control module; and themechanical handle is mounted on the faucet main body and communicates to the hot water path and the cold water path, separately. According to the voice temperature control effluent faucet, a user canacquire current water temperature intuitively without stretching a hand to feel the effluent temperature, so that the using safety and convenience of the faucet are improved; in addition, the water temperature of the faucet can be also adjusted through the mechanical handle, double assurance of electric control and mechanical control is achieved, and the using reliability of the faucet is improved.
Owner:NINGBO OULIN IND CO LTD

Wood board processing machine

The invention discloses a wood board processing machine, and belongs to the technical field of wood processing. Two first cutters are vertically and rotationally mounted on a first cutter rest, a first grinding wheel roller is arranged above a first conveying belt, a left stop block and a right stop block are arranged between a first processing device and a material conveying device, and a supporting surface is arranged between the left stop block and the right stop block; a round wheel is arranged on the left upper portion of the first conveying belt, and a long strip-shaped pushing strip isarranged above the round wheel; a second conveying belt is arranged at the left end of a material conveying belt, and the second conveying belt is perpendicular to the material conveying belt; two second cutters are vertically and rotationally arranged on a second cutter rest, and a second grinding wheel roller is arranged above the second conveying belt. The wood board processing machine is usedfor solving the problem that wood board grinding and trimming efficiency in the prior art is not high.
Owner:贵港沃斯顿科技有限公司

Multifunctional full-electric nursing bed

The invention discloses a multifunctional full-electric nursing bed. The multifunctional full-electric nursing bed is characterized by comprising a bed frame, wheels and a bed board, a bedpan holder mechanism, a back lifting mechanism, a laterally-turning mechanism and a leg bending mechanism, the bed board is composed of a plurality of small boards, and hinges are arranged among the small boards. Compared with the prior art, the multifunctional full-electric nursing bed has the advantages that each functional component is of an electric driving structure, so that electric control on functions of leftward-rightward turning, electric opening and closing of a panel, holding of a bedpan, back lifting and leg bending can be realized; all-round nursing can be provided to people lying in bed for a long time or having trouble in moving, so that labor amount in manual caring is reduced, and working efficiency of medical staff is improved.
Owner:江门市新会区新灵五金电器有限公司

Concealed soft screen door with sealed magnetic strip

The invention discloses a concealed soft screen door with a sealed magnetic strip. The concealed soft screen door comprises a storage bin and a screen door body, wherein the center of the inner portion of the storage bin is provided with a rewinding reel, the bottom end of the rewinding reel is rotationally connected with a rotating seat welded to the bottom of the storage bin, and the top end ofthe rewinding reel is rotationally connected with an electric motor fixed to the top of the storage bin through a blot. The concealed soft screen door with the sealed magnetic strip has the advantagesthat the storage bin is formed, and the screen door body is connected to the rewinding reel arranged at the center of the inner portion of the storage bin through a sleeve, and the screen door body can be re-winded onto the rewinding reel in the storage bin when not in use to be located in the storage bin, so that on the one hand, dustproof protection is performed on the screen door body, and thescreen door body is re-winded into the storage bin so that the screen door body is not easily damaged, on the other hand, the screen door body cannot occupy the indoor space, thereby saving the indoor space.
Owner:利辛县盈德纱网有限公司

Operation apparatus for surgery department

The invention relates to an operation apparatus for the surgery department. The operation apparatus comprises a shell, a nail anvil assembly arranged at one side of the shell, a nail bin assembly support forming a tong opening with the nail anvil assembly, a nail bin assembly installed on the nail bin assembly support, an occlusion driving assembly driving the tong opening to be opened or closed,a percussing rod and a cutting assembly arranged on the percussing rod and driven by the percussing rod; the operation apparatus is characterized by further comprising a power input device, an occlusion transmission assembly, a percussing transmission assembly and a switching part, the power input device comprises a motor, and the switching part selectively transmits power of the power input device to the occlusion driving assembly through the occlusion transmission assembly or to the percussing rod through the percussing transmission assembly. The operation apparatus can achieve electric control, then the applied force can be precisely controlled, sewed tissue is prevented from being excessively extruded, and the coinciding effect is improved.
Owner:SUZHOU YINGTUKANG MEDICAL TECH CO LTD

Environment-friendly energy-saving ventilating sound deadening window

The invention provides an environmental friendly and energy saving ventilating noise reducing window, an inner layer of glass and an outer layer of glass which are provided with an inner tuyere and an outer tuyere are installed on a window frame (1), a noise reducing device (100) which is composed of at least two slot-shaped noise-reducing components (10) and (20) is arranged between the inner layer of glass (9) and the outer layer of glass (4), distance is arranged between the slot-shaped noise reducing components to form a ventilating noise reducing passage, the invention is characterized in that moveable slot walls (11) and (21) are arranged on the slot-shaped noise reducing components (10) and (20), the moveable slot walls (11) and (21) are connected with a driving mechanism, and the slot-shaped noise reducing components (10) and (20) can retract and open through being driven by the driving mechanism, which enables the ventilating noise reducing passage to be bended or smooth. The moveable slot walls of the slot-shaped noise reducing components of the invention are connected with the driving mechanism, the ventilating noise reducing passage can be adjusted according to the outdoor noise conditions, and thereby the ventilation quantity and the noise reducing effects can be adjusted. A motor which is equipped with a time-program controller is taken as a control system and can realize intelligent control and more convenient uses.
Owner:钟超英

Electrically-flushable packer and electrically-flushable insert seal for flooding well

The invention discloses an electrically-flushable packer and an electrically-flushable insert seal for flooding a well. A well flushing passage and a well flushing passage inlet are respectively formed in each of the packer and the insert seal, the well flushing passage inlet is provided with a back-flush valve, and the back-flush valve is driven by a motor. According to the packer and the insert seal, a pressure difference controlled well flushing mode for the conventional flushable packers / flushable insert seals is broken through, electric control on well flushing operation is realized, and the sealing state of a well flushing valve can be monitored online. The electrically-flushable packer is applicable to cased wells and the electrically-flushable insert seal is applicable to sand-prevented dispensing injection wells of offshore oilfields.
Owner:CNOOC ENERGY TECH & SERVICES

Wood board grinding machine

The invention discloses a wood board grinding machine and belongs to the technical field of timber machining. Two first connection rods are vertically and fixedly connected to a support, and are arranged above a first belt; a first grinding wheel roller is rotationally installed between the two first connection rods; two second connection rods are vertically and fixedly connected to the support and are arranged above a second belt; a second grinding wheel roller is rotationally installed between the two second connection rods; a second grinding device is arranged on the left side of a first grinding device; a left stopping block and a right stopping block are arranged between the first grinding device and the second grinding device, and are arranged in a left-right side-by-side manner, anda supporting face is arranged between the left stopping block and the right stopping block; and a round wheel is installed on the upper left portion of the first belt, and is fixedly provided with along-strip-shaped pushing strip in the radial direction. The wood board grinding machine is used for solving the problem that current wood board grinding efficiency is low.
Owner:贵港沃斯顿科技有限公司

wood grinding machine

The invention discloses a wood board grinding machine and belongs to the technical field of timber machining. Two first connection rods are vertically and fixedly connected to a support, and are arranged above a first belt; a first grinding wheel roller is rotationally installed between the two first connection rods; two second connection rods are vertically and fixedly connected to the support and are arranged above a second belt; a second grinding wheel roller is rotationally installed between the two second connection rods; a second grinding device is arranged on the left side of a first grinding device; a left stopping block and a right stopping block are arranged between the first grinding device and the second grinding device, and are arranged in a left-right side-by-side manner, anda supporting face is arranged between the left stopping block and the right stopping block; and a round wheel is installed on the upper left portion of the first belt, and is fixedly provided with along-strip-shaped pushing strip in the radial direction. The wood board grinding machine is used for solving the problem that current wood board grinding efficiency is low.
Owner:贵港沃斯顿科技有限公司

Image monitor of smart city security Internet of Things

The invention discloses an image monitor of a smart city security Internet of Things. The monitor comprises a bottom plate, wherein a mounting base is arranged above the bottom plate, and an adjustingassembly is arranged above a camera group. According to the image monitor of the smart city security Internet of Things, through the clearance fit between a circular ring and a ball and the arrangement of a supporting rod, a servo motor rotates to drive the pointing angle of the camera group to be adjusted through the supporting rod, then electric control is achieved, manual operation is not needed, meanwhile, the monitoring range can be enlarged, and the monitoring strength is enhanced; and by means of clamping connection of a clamping groove and a clamping pin and corresponding arrangementof a curved shifting rod and a vertical rod, a mounting plate and the bottom plate can be rapidly disassembled and assembled, the disassembling and assembling difficulty is greatly reduced, the disassembling and assembling efficiency is improved, whether a square sliding block abuts against a support seat or not can be controlled by rotating an adjusting bolt, then the bottom plate can be rotatedto any angle, the monitor is suitable for more installation environments, the bottom plate can be parallel to the ground, and therefore the use applicability is improved.
Owner:深圳大象数据科技有限公司

Electric hoist

The invention discloses an electric hoist. The electric hoist comprises a main shaft, a driver, a speed reducer, an overrunning clutch, a rope winding shaft and a clutch, wherein two ends of the mainshaft are fixed, the driver, the speed reducer, the overrunning clutch and the clutch are sequentially connected and connected onto the main shaft in a sleeving mode, the driver comprises a rotation shaft connected with the main shaft in a sleeving mode, the rotation shaft is of a hollow structure, the driver is electrified so as to drive the rotation shaft to rotate, the rotation shaft is connected with the speed reducer, the overrunning clutch comprises a planet carrier B connected onto the main shaft in a sleeving mode and a plurality of planet wheels B arranged on the planet carrier B, anoutput end of the speed reducer passes through the planet carrier B and becomes a sun wheel of the planet wheels B, the speed reducer comprises an inner gear ring part, the inner gear ring part is engaged with the planet wheels B, a rope is arranged on the rope winding shaft, the driver, the speed reducer, the overrunning clutch and the clutch are arranged in the rope winding shaft, and the planetcarrier B is connected with the wire winding shaft through a single-direction rotation structure.
Owner:广东华堃科技发展有限公司

Electric window opening system

The invention discloses an electric window opening system. The electric window opening system comprises a window frame, a left window sash, a right window sash and an electric window opening machine, wherein the electric window opening machine comprises a casing, a gearbox, a motor, a driving wheel, a controller, a left stroke switch and a right stroke switch; the electric window opening machine is mounted on one side of a bottom frame in the left window sash; a driving wheel of the electric window opening machine is positioned on a rear track arranged at the inner bottom of the window frame; the left stroke switch and the right stroke switch are respectively arranged on the left lateral surface and the right lateral surface of the left window sash; a limiting block is arranged on the right side of the rear track; when the window is opened, the motor is controlled by the controller to drive the driving wheel through the gearbox to rotate, so that the left window sash moves leftwards on the rear track until a contact of the right stroke switch on the left window sash is collided with the limiting block on the rear track; when the window is closed, the motor is controlled by the controller to drive the driving wheel through the gearbox to rotate, so that the left window sash moves leftwards on the rear track until a contact of the left stroke switch on the left window sash is collided with the inner wall surface on the left side of the window frame.
Owner:陈宝传

Electronically controlled aluminum alloy extension tube

The invention discloses an electronically controlled aluminum alloy extension tube. The aluminum alloy extension tube comprises an outer tube and an inner tube, wherein the inner tube can be put into the inner cavity of the outer tube, an electric control device is arranged at the position where the outer tube and the inner tube are connected and mainly consists of a housing, an electric motor, a driving module, a friction wheel, a battery, relevant circuits and a rack, a groove structure is formed in the outer surface of the inner tube in the radial direction, the electric control device is fixedly installed on the outer tube, and the friction wheel in the electric control device is matched with the groove structure formed in the surface of the outer tube for usage so as to achieve inner tube telescoping. The electronically controlled aluminum alloy extension tube is reasonable in structural design and unique in effect, the electric control device added for the extension tube is simple and convenient to use, electric control of the extension tube is achieved, telescoping size is more accurate, the electric control device is excellent in positioning effect and high in stability, and the good using performance of the aluminum alloy extension tube is ensured.
Owner:苏州市大力电器有限公司

Self-locking gas valve

The invention discloses a self-locking gas valve. The gas valve comprises a valve body, a pipe wall which is through left and right is fixedly arranged in the valve body, a right air duct extending rightwards and a left air duct extending leftwards are fixedly arranged in the pipe wall, a ball valve located in the middle of the right air duct and the left air duct is fixedly arranged in the pipe wall, an upper cavity located in the upper side end face of the pipe wall is formed in the valve body, a lower cavity located in the lower side end face of the pipe wall is formed in the valve body, amanual control device is arranged in the upper cavity, and an electric control device is arranged in the lower cavity. The gas valve is simple in structure and convenient to use, and manual and electric control of the valve is achieved. Meanwhile, the valve is provided with a self-locking device, so that the valve cannot be opened easily after being closed, and the safety and reliability of the valve are improved. Meanwhile, the valve can detect the gas concentration in the air and can be automatically closed, troubleshooting is facilitated, and the valve plays an important role in safe production of the gas industry.
Owner:宁波志清智控科技有限公司

Bistable permanent magnet moulded case circuit breaker

The invention discloses a bistable permanent magnet moulded case circuit breaker. The bistable permanent magnet moulded case circuit breaker comprises an operating mechanism, a quick acting mechanism, a connecting rod mechanism and a main loop; the operating mechanism is connected with the main loop through the connecting rod mechanism; the operating mechanism comprises a movable iron core, a movable iron core connecting rod, a static iron core, an opening coil, a closing coil and a permanent magnet; the movable iron core is fixed on the movable iron core connecting rod and positioned at the inner side of the static iron core; the opening coil and the closing coil are positioned between the static iron core and the movable iron core and arranged at two sides of a middle pole shoe of the static iron core; simultaneously, the permanent magnet is positioned at the end part of the middle pole shoe of the static iron core and positioned outside the movable iron core; the quick acting mechanism comprises a quick acting winding, a copper disc, an iron disc and an iron disc connecting rod; the quick acting winding is fixed in the front of the outside of the static iron core; the copper disc is fixed on the iron disc; the iron disc is fixed on the iron disc connecting rod; the iron disc connecting rod is fixedly connected with one end of the movable iron core connecting rod; and the copper disc is positioned between the iron disc and the quick acting winding. The bistable permanent magnet moulded case circuit breaker disclosed by the invention has the advantage that opening, closing and quick acting functions are completely controlled electrically.
Owner:FORETECH ELEC APP JIANGSU CORP
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