91 results about "Motor drive" patented technology

The invention discloses an intelligent pushing type drug discharging device, a drug dispensing control system and a drug managing and dispensing method. The intelligent pushing type drug discharging device is used for the intelligent drug dispensing control system and comprises a drug groove used for containing drug and a pushing device used for pushing the drug out of the drug groove. When drug discharging is needed, the pushing device pushes the drug towards the direction of a drug discharging outlet, and the moving length of the pushing device is equal to the length occupied by the drug to be discharged in the drug groove. When drug discharging is not needed, the pushing device does not form pushing force large enough to enable the drug to be pushed out of the drug groove. The intelligent pushing type drug discharging device can be placed at a small angle even zero angle, and is smaller in occupied space and capable of greatly improving the utility rate of space. According to the intelligent pushing type drug discharging device, the foundation of drug discharging counting is reliable, drug stock information can be updated in real time, drug validity date management can be conducted in real time, and maintaining cost is low. Preferably, the pushing device comprises a motor and a pushing component, the middle of the drug groove is hollow to form a channel, and the motor drives a pushing block on the pushing component to make linear reciprocating motion in the channel.

Apparatus for raking berries, particularly blueberries. The apparatus has a frame supported on wheels, a rake head, a berry conveyor, support for a berry box, and a side support for stacking additional empty berry boxes. The motor-driven apparatus provides independent operation of ground travel and berry collecting operation. The rakes maintain a constant orientation relative to the vertical throughout the rotation of the rake head.

An oil/water separator tank having intake, discharge and vent fittings is conditioned for in-situ cleaning of the oil separator plate stacks positioned therein by selective opening of manual valves connected to each of such fittings. When so conditioned by opening of the manual valves, the in-situ cleaning is performed during repeated operational phases under automated control of solenoid operated and motor driven valves through which a plurality of sequential operational steps are performed, consisting of (a) low pressure air injected into an air sparging array within the separator tank, (b) supply of potable water into a mixing tank; (c) mixing of the potable water with the cleaning agent within the mixing tank; (d) introduction of the cleaning agent after the mixing thereof into the separator tank to enhance in-situ cleaning by dispersing the low pressure air from the air sparging array; and (e) drainage of collected waste oil from the separator tank into a waste oil tank.

The invention provides an elevator integral frequency converting controller. Besides the motor drive circuits, power supply circuits and brake units, it also contains control circuitry, specifically is: operation control module, curve calculation module, elevator position monitoring module, elevator logical module, clock module, parameter storage module, Canbus module, Mudbugs module, debugging tool module, generator state acquisition module, vector control module, velocity feedback module, elevator and generator parameters processing module, PWM waveform generating module, DPRAM data exchange module and SPI data exchange module, etc. The control circuit processes the ''peripheral'' signal of frequency converting controller, then outputs it to motor drive circuits, thereby integrates most functions of elevator, combines organically the variable-frequency control and the operation control of elevator, it is facilitating for installation and alignment of elevator, and also ensure the operation of elevator under the more efficient, stable and safe condition.

A portable mixing apparatus that employs disposable 5-gallon plastic buckets as containers for mixing mortar, grout, plaster and other materials. First and second motor-driven rollers support the buckets at a downwardly sloped angle. A separate mixing basket is placed within the buckets, and includes a plurality of blades that pass through the material as the bucket is rotated by the rollers. The leading roller is positioned lower than the trailing roller so as to engage the flexible wall of the bucket in an area where it is subject to outward pressure from the material during rotation. The rollers are provided with ribbed, non-slip covers having channels that accommodate water and debris on the exteriors of the buckets. The mixing basket is formed of a plurality of coaxial, longitudinally-spaced rings joined at their edges by longitudinal rods. The blades are mounted internal to the rings and extend generally parallel to the axis of the buckets, with the ends of the rods being angled in the direction of rotation. The drive rollers and motor are mounted in a frame having folding legs so that the assembly can be collapsed to a compact form for transportation or storage.

The invention discloses a portable 2-DOF wrist joint rehabilitation robot comprising an arm rack to wear outside a human forearm, a hand back rack, to wear on the human back, and a 2-DOF drive mechanism connected between the arm rack and the hand back rack. The 2-DOF drive mechanism comprises a sliding mechanism, a pneumatic muscular mechanism, a rotary joint, a driving link, and a driven link; the rotary joint is driven by driving force of pneumatic muscles so that the driving link and the driven link drive the hand back rack for extension rehabilitation training of the wrist joint. The 2-DOF drive mechanism further comprises a central column, an arc rack, a cylindrical gear, and a guide rail fixed to the outside of the hand back rack. A motor drives a round gear to rotate so that the hand back rack drives the wrist to swing. The portable 2-DOF wrist joint rehabilitation robot has the advantages that the robot is portable and domesticized and gain amplification is achieved for controlling the angle of the rotary joint.

The invention discloses a multipurpose vehicle-mounted ground milling machine which comprises a motor-driven vehicle, milling machine tools, a dust collector, a hydraulic pressure station, a generator set and a connecting mechanism; the milling machine carries out the walking mechanization road maintenance by arranging a group of autorotation and revolution milling tools at the front end of the motor-driven vehicle, driving the milling machine tools for milling with a speed reducer, adjusting the milling depth with an elevating machine and a connecting rod adjustment mechanism, and driving the milling machine tools with the vehicle. The machine is not only used for clearing away freezing rain and snow, but also can be used for removing laitance on the ground and marker lines, carries out operations such as chiselling and the like, and has the advantages of simple structure, convenient operation, good clearing effect and high working efficiency.

The invention relates to a self-suction tail door lock assembly, which comprises a case, a case cover and a cover plate. A big gear wheel and a duplex gear which are engaged mutually are respectively arranged on the case through gear shafts; the big gear wheel and a self-suction main movement plate are in transmission connection; a ratchet wheel shaft and a pawl shaft are arranged on the case cover in parallel in a penetrating way; a ratchet wheel return spring, a self-suction auxiliary movement plate, a self-suction rocker arm return spring and a ratchet wheel are arranged on the ratchet wheel shaft; an open outside return spring, an open outside rocker arm, a pawl return spring and a pawl are arranged on the pawl shaft; the ratchet wheel and a signal rocker arm are in transmission connection; a position signal of the signal rocker arm is fedback to an automobile ECU (Engine Control Unit) circuit board through a microswitch and a circuit board sub-assembly, so that the movement of a large motor is controlled, a worm of the large motor drives the duplex gear and then transmits to the big gear wheel, and through the transmission of the self-suction main movement plate, a self-suction connecting plate and the self-suction auxiliary movement plate, the ratchet wheel is driven to be engaged with the pawl so as to be rotated to a full locking position. The self-suction tail door lock assembly provided by the invention is high in transmission efficiency, stable in structure, and powerful in functions, and can meet the ever-developing function requirement of the current automobile door lock.

The invention belongs to the field of environment protection machinery and relates to a portable rubbish advertisement cleaning machine for cleaning rubbish advertisement adhering to the plane and a cylindrical face. The portable rubbish advertisement cleaning machine is characterized by mainly comprising a machine body, a power source, a transmission system and a cleaning system. The cleaning system comprises a cleaning mechanism, a water spraying plate included angle control mechanism and a telescopic rod, wherein the cleaning mechanism fixed to water spraying plates and is composed of small water-proof motors and disc brush heads, and the small motors drive the disc brush heads to rotate. The water spraying plate included angle control mechanism is arranged at the front end of the telescopic rod and is formed by connecting a threaded tube and the water spraying plates through a hinge, and the rotating threaded tube can change an included angle between the water spraying plates. The portable rubbish advertisement cleaning machine has the advantages that advertisements adhering to the plane and the cylindrical face can be cleaned, the advertisements of different paper hardnesses can be cleaned by replacing the brush heads, and the cleaning range can be controlled by adjusting the section number of the telescopic rod. The portable rubbish advertisement cleaning machine is simple in structure, low in cost, convenient and practical.

The invention discloses a wave-making oxygen increasing machine, and belongs to the field of aquaculture. The wave-making oxygen increasing machine comprises a floating body and a motor which is fixedly installed on the floating body and shares the same axis with the floating body, and the motor drives a vane wheel to rotate through a reducer. The wave-making oxygen increasing machine is characterized in that the top of the motor is provided with a swinging driver, the swinging driver comprises a support rod and a balance weight ball, the bottom end of the support rod is located at the top of the motor and the support rod shares the same axis with the motor, the top of the support rod supports the balance weight ball, the balance weight ball does reciprocating motion around the axis of the motor under the action of gravity to enable the motor to swing, the floating body is driven to tilt up and down, and therefore waves are made. Compared with the prior art, the wave-making oxygen increasing machine utilizes the potential energy of the balance weight ball to enable the motor to swing to drive the floating body to tilt to make similar natural waves in a pond, the total dissolved oxygen content of the pond is increased, and the energy-saving effect is achieved; the structure is simple, the manufacturing cost is low, energy consumption is not increased, the range of the dissolved oxygen function of one machine is large, and therefore the culturing cost is lowered.

The invention discloses a multifunctional nursing bed. The multifunctional nursing bed comprises a chair framework, a leg plate framework, a back plate framework, a foot plate framework, a body overturning mechanism, hand-hold mechanisms, a lifting mechanism and a rotation chassis, wherein the foot plate framework, the leg plate framework, the chair framework and the back plate framework are hinged to each other from front to back, and each hinged position is controlled through an electric pushing rod to move to achieve the switching between a chair and a bed. The foldable hand-hold mechanisms are arranged at two sides of the chair framework, and the body overturning mechanism and the lifting mechanism are arranged under the chair framework from top to bottom to respectively achieve the inclination of the chair framework in the left and right directions and a lifting function of the chair framework. The lifting mechanism is arranged on the rotation chassis, a movement function is realized through the rotation chassis, and an inside motor drives the chair framework to rotate. The multifunctional nursing bed has the advantages of being capable of achieving full-automatic switching control between a bed state and a chair state, having the lifting function, a body-overturning function and a rotation function, bringing great convenience to the independent movement of a bedridden patient, relieving the work intensity for nursing personnel, and being simple in structure, convenient to operate and low in manufacturing cost.

The invention provides an electric automobile multi-function vehicle-mounted charging circuit. The electric automobile multi-function vehicle-mounted charging circuit comprises an input filtering circuit, a three-phase rectification bridge, a Buck/Boost circuit, a stator winding of a three-phase motor of an electric automobile, and a three-phase bridge type inversion circuit which are successively connected. The output end of the Buck/Boost circuit is connected with a central point of one of the legs of the three-phase bridge type inversion circuit. The Buck/Boost circuit and the three-phase bridge type inversion circuit are used for receiving driving signals for changing working state of itself so as to control the vehicle-mounted charging circuit to be at a vehicle-mounted charging mode, a portable AC power mode or a motor driving inversion mode. The electric automobile multi-function vehicle-mounted charging circuit realizes integration of three functions, i.e., vehicular-mounted charging of the electric automobile, a portable AC power source and motor driving inversion, so that the size, weight and cost of the electric automobile in realizing the above three functions are reduced, and at the same time large-power vehicular-mounted charging can be realized.

The invention discloses a forced diversion control method which includes first conducting diversion nominal track design according to a designated diversion period, conducting subsection planning on a motor-driven path based on error boundary and adopting a single pulse control method based on C-W guidance rate in each section to achieve track tracking of the subsection planning route to form a single side limit cycle. The method completely utilizes diversion largest error boundary, plans movement track in an error boundary and controlled diversion track moving tread, achieves quick diversion, saves fuel consumption and has strong engineering practicalness.

An apparatus for controlling a motor driving an opening and closing body of a sunroof device includes a drive portion and a control portion. The drive portion supplies current to the motor to rotate the motor. The drive portion has a changing device for changing the torque of the motor. The control portion controls the changing device such that the torque of the motor is increased as the traveling speed of a vehicle is increased during a closing operation of the opening and closing body. Therefore, closure force and catching force of the opening and closing body during a closing operation is optimized.

The invention relates to the technical field of medical instruments, and provides a needle removing device which is composed of a motor, two same gears which are meshed with each other, two clamping jaws, two eccentric wheel shafts, two sliding shaft sleeves and a support. The two clamping jaws, the two eccentric wheel shafts and the two sliding shaft sleeves are arranged in a mirror symmetry mode, and the motor drives the two eccentric wheel shafts through the two same gears which are meshed with each other; when a needle extends between meshing teeth of the two clamping jaws of the needle removing device, a sensor triggers a microswitch to start the motor, the power is sent to eccentric wheels through the two same gears which are meshed with each other, the eccentric wheel shafts drive eccentric wheel sleeves to repeatedly move forward, downward, backward and upward, and therefore the clamping jaws are driven by sliding shafts fixed on the eccentric wheel sleeves to generate repeated actions to firmly grasp downward and loosen upward. By means of the needle removing device, an injector and the needle can be separated automatically, and the situation that the hand of an operator touches the portion, possibly existing high infection virus, of a needle throwing opening.

A vapor compression cooling system includes a centrifugal compressor(s) for compressing a primary fluid in a cycle including at least two compressions, and a control module for controlling the centrifugal compressor dependent upon at least a condition of a secondary fluid. The module controls a power of the centrifugal compressor by adjusting a speed of the motor driving the compressor and/or an opening of guide vanes associated with at least one impeller. The module may also control a pressure drop of a primary fluid moving through at least one expansion device. The at least two compressions may be made in parallel or in series. A related method includes compressing a primary fluid in a first and a second compression cycle and adjusting a parameter of the compressor dependent upon a calculated desired power of the compressor.