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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention discloses a shoe sole bending tester. The shoe sole bending tester comprises a frame, a clamping device and a bending device, wherein the clamping device comprises a plurality of clamping mechanisms mounted on the frame at intervals; the bending device comprises a rotating shaft rotatably mounted on the frame and a plurality of bending mechanisms; the bending mechanisms are fixedly mounted on the rotating shaft at intervals and respectively face to one clamping mechanism; a driving mechanism used for controlling the clamping mechanism to act is mounted on the upper part of each clamping mechanism. The shoe sole bending tester is simple in structure and strong in practicability; a driving mechanism is arranged at the upper part of each clamping mechanism, so that a user can carry out a bending test by controlling the driving mechanisms to enable the clamping mechanisms to act and press shoe soles; the operation is simple; the labor cost is reduced; the working efficiency is improved.