15396 results about "Reduction drive" patented technology

The invention relates to an external skeleton robot, in particular to a human-simulated external skeleton robot assisting the lower limbs. The human-simulated external skeleton robot assisting the lower limbs aims to solve the problems that an existing external skeleton robot is low in coupling degree of motion space and poor in wearing comfort, reliability and adaptation, and power needed by a motor is large. The human-simulated external skeleton robot assisting the lower limbs comprises an upper body back part, a left leg and a right leg. The left leg and the right leg respectively comprise a hip drive system, a knee drive system and a foot wearing system. A rear side connection board of the waist is in rotating connection with a load installation board. Each hip joint supporting board is provided with a first motor and a first reducer, wherein the first motor is provided with an encoder, and the output end of the first motor provided with the encoder is connected with the input end of the first reducer. Each hip joint connecting board can rotate in the vertical plane. Each thigh stretching board is in detachable connection with the corresponding hip joint connecting board. The output end of a main drive mechanism is connected with each crus connecting board. The lower surfaces of elastic boards are bonded with the upper surfaces of the rubber soles of the feet. The human-simulated external skeleton robot assisting the lower limbs can assist in walking.

The invention relates to a light-weight six-shaft universal robot. A shaft seat is fixedly arranged on an arm shaft, a shaft seat protecting box is fixedly arranged on the shaft seat, a third-shaft driving motor, a fourth-shaft driving motor, a fifth-shaft driving motor and a sixth-shaft driving motor are arranged in the shaft seat protecting box, a small-arm rod casing and a small-arm lengthening rod casing are respectively and fixedly arranged at the front part and the back part of a small-arm speed reducer, a sixth shaft is inserted and sheathed in a fifth shaft, the fifth shaft is inserted and sheathed in a fourth shaft, the fourth shaft is inserted and sheathed into the small-arm rod casing, the small-arm speed reducer and the small-arm lengthening rod casing, a fourth-shaft driven gear, a fifth-shaft driven gear and a sixth-shaft driven gear are respectively and fixedly arranged on the fourth shaft, the fifth shaft and the sixth shaft, and the length of the small-arm rod casing is smaller than 100mm. The light-weight six-shaft universal robot has the advantages that the torque load required by the self weight is effectively reduced, the traditional balance cylinder device is not needed, the balance of a swinging arm during the work can also be met, and the machine structure is simplified. The effective protection effect on a motor is also realized through a tight protecting cover.

A brush configured to move repeatedly over a vacuum filter. The brush will remove dust particles to prevent them from clogging the filter. In the preferred embodiment, the brush is mounted on a revolving shaft. As the shaft turns it moves the bristles of the brush over the surface of the filter, whereby dust particles may be dislodged. In one embodiment, the shaft is attached to the vacuum motor and is turned directly by the motor. In this embodiment a speed reducer may be employed to slow the rate of rotation of the brush. In another embodiment, a turbine is attached to the shaft. The turbine is placed in the path of the air stream moving through the vacuum. The air passing through the turbine cause it and the shaft to rotate, thereby reducing the load on the motor.

A medical instrument apparatus and method is provided for positioning and securing a spinal rod to a coupling device anchored to a vertebra. A reducer assembly shifts the spinal rod into place within the coupling device and a cap inserter assembly shifts a cap member into locking engagement with the coupling device to secure the spinal rod therein.

A brush configured to move repeatedly over a vacuum filter. The brush will remove dust particles to prevent them from clogging the filter. In the preferred embodiment, the brush is mounted on a revolving shaft. As the shaft turns it moves the bristles of the brush over the surface of the filter, whereby dust particles may be dislodged. In one embodiment, the shaft is attached to the vacuum motor and is turned directly by the motor. In this embodiment a speed reducer may be employed to slow the rate of rotation of the brush. In another embodiment, a turbine is attached to the shaft. The turbine is placed in the path of the air stream moving through the vacuum. The air passing through the turbine cause it and the shaft to rotate, thereby reducing the load on the motor.

A gas turbine engine is utilized in combination with a gear reduction to reduce the speed of a fan relative to a low pressure turbine speed. The gas turbine engine is designed such that a blade count in the low pressure turbine multiplied by the speed of the low pressure turbine will result in operational noise that is above a sensitive range for human hearing. A method and turbine module are also disclosed.

A transportable power tool such as an impact driver has a power unit in which a motor and a reducer-transmitter are contained, a grip and a coupler unit with which a battery pack is coupled. Maximum dimensions of the power unit and maximum dimensions of the battery pack in a direction perpendicular to both of center axes of the power unit and the grip and in a direction parallel to the center axis of the power unit are larger than those of the grip in the same directions. Operation members used for selecting an operation mode of the motor and a display device are provided at positions near to the grip from a line binding contacting portions of the power unit and the battery pack when the power unit and the battery pack are simultaneously contacted with the same plane in each state.

Embodiments of a surgical instrument disclosed herein can include mechanisms for reduction and distraction as well as compression. Some embodiments of the surgical instrument may comprise a reducer knob having a first passage through which a first shaft of a driver is acceptable, a connecting element coupled to the reducer knob and having a second passage through which the first shaft of the driver is acceptable, a compressor handle coupled to the connecting element at a first end and having a through hole, and a common handle coupled to the compressor handle via the through hole and pivots between the reducer knob and the compressor handle. With embodiments of a surgical instrument disclosed herein, surgical personnel can distract and hold vertebrae in a distracted state and perform a reduction without having to switch or add instruments. Some embodiments disclosed herein can be particularly useful for reducing spondylolisthesis during posterior fixation.

The invention provides a five-freedom exoskeleton type robot for healing upper limbs, which comprises a mounting deck used for mounting the robot. The mounting deck is provided with a lead rail, an erector is arranged on the lead rail and is provided with a height adjustment mechanism, a rotatable mounting arm is arranged on the erector by a rotatable axis. A healing mechanical arm body composed of a shoulder width, an upper arm, a forearm and a hand lever is installed on the rotatable mounting arm. Five freedom joints and five drive motors are respectively arranged on the rotatable axis of each joint; four torque sensors which are connected with the drive motors in a cascading way are respectively arranged on the parts of shoulder, elbow and wrist, wherein, the shoulder parts are provided with two torque sensors, the elbow part is provided with one torque sensor and the push-up part of the wrist part is provided with one torque sensor. The torque sensors that are taken as transfer devices and detecting devices are connected with a motor reducer and an executing mechanism. The robot provides single joint movement of each joint and three-dimension multi-joint compound movement for suffers as well as provides simple and basic movement training of daily life.

The invention relates to a dual-clutch transmission applied to a hybrid electric vehicle, wherein an output shaft of a motor / generator is connected with a first driving gear and a second driving gear through a double clutch respectively; an engine shaft of an engine is connected with an engine driving gear through an engine clutch; a second driven gear is meshed with the second driving gear and the engine driving gear respectively and connected with a first driven gear and a main reduction driving gear respectively through a synchronizer; the first driven gear is meshed with the first driving gear; the main reduction driving gear is meshed with a main reduction driven gear; the main reduction driven gear is mounted on a differential mechanism; a first gear clutch starter and a second gear clutch starter are connected with the double clutch respectively; and an engine clutch starter is connected with an engine clutch. The invention further relates to an application method of the dual-clutch transmission. The dual-clutch transmission applied to the hybrid electric vehicle has the advantages of unique design, simple structure, environmental friendliness, high driving range, economical efficiency, and good dynamic property, and generates enormous social and economic benefits.

A torque measuring apparatus includes: a flexure element that is attached between an output shaft of an actuator or a speed reducer as a torque measurement object and a load object, and includes a main flexure part displaced mainly around the output shaft according to a torque applied from the load object, and an auxiliary flexure part to remove a displacement component other than the displacement of the main flexure part around the output shaft; and at least one pair of strain gauges attached to the main flexure part. The torque is measured based on electric signals outputted from the respective strain gauges.

A gas turbine engine is utilized in combination with a gear reduction to reduce the speed of a fan relative to a low pressure turbine speed. The gas turbine engine is designed such that a blade count in the low pressure turbine multiplied by the speed of the low pressure turbine will result in operational noise that is above a sensitive range for human hearing. A method and turbine module are also disclosed.

The invention discloses an elastically-driven modular joint with force feedback control. comprising assembly components such as a motor stator, a motor rotor, a harmonic speed reducer and the like, so that the design flexibility and compactedness of the joint can be increased; and due to the design of an air routing shaft, the joint is convenient to route, so that the joint is more succinct, the moving range of the joint can be preferably enlarged, and the running reliability of the joint can be improved. Due to the introduction of a first absolute type angle sensor and a second absolute type angle sensor, the angle deviation between an output shaft and an output end cover can be obtained, and the angle deviation is multiplied by the elasticity coefficient of an elastic torsion spring, so that a moment value applicable to the joint can be obtained, for an input feedback value of a joint signal; and a reliable moment feedback signal can be provided for the joint, so that the elastic torsion spring can be deformed, the smoothness can be provided for the joint, and an energy storing mechanism can be further provided for the joint, and the elastically-driven modular joint is applicable to a robot, so that the interaction capability between the robot and the environment can be enhanced, and the running efficiency of the robot can be improved.

The invention discloses an integrated driving device for a new energy vehicle. Through integrated design, a driving motor, a speed reducer and a differential mechanism are integrated, a shell is shared by the driving motor, the speed reducer and the differential mechanism, a motor shaft serves as not only an output shaft of the driving motor but also an input shaft of the speed reducer, the speed reducer comprises a first-level speed reduction gear set and a second-level speed reduction gear set, a differential mechanism shell is connected with a second-level speed reduction gear, a half axle gear in the differential mechanism is coupled with a vehicle half axle spline, and therefore power generated by the integrated driving device is transmitted to wheel hubs, and the vehicle is driven to run. The integrated driving device for the new energy vehicle is compact in structure and high in integration level, the number of parts is reduced effectively, axial dimensions are shortened, the weight of an assembly is reduced, and the layout flexibility of a power system of the whole vehicle is greatly improved.

The invention relates to a robot clamping carrier which comprises two carrying trolleys which are symmetrically distributed, have the same structure and are used for respectively clamping front wheels and rear wheels of a vehicle, wherein each carrying trolley is provided with a synchronous clamper with two pairs of mechanical hands; the two carrying trolleys are connected through a telescopic bending arm; each carrying trolley is internally provided with an electrical positioning system for detecting the positions of the front wheels and the rear wheels of the vehicle and comprises a trolley body, a walking drive motor speed reducer, a chain wheel, a chain, a driving wheel, a driving wheel shaft, a tensioning wheel, a driven wheel and a guide mechanism; each synchronous clamper comprises a clamping framework connected with the trolley body, an upper cover plate, a clamping motor speed reducer fixed on the upper cover plate, a worm shaft I, a worm shaft II, a worm gear I, a worm gear II, a spindle and mechanical hands; and each clamping motor speed reducer is simultaneously connected with the worm shaft I and the worm shaft II to drive respective worm gear pairs and mechanical hands to rotate along the spindles. In the invention, the positions of the rotating spindles of the clamping mechanical hands are fixed without moving; a single motor controls a group of mechanical hands, which ensures that the motions are synchronous, and the structure is simple and reliable; meanwhile, the defects of carriers in a carrier plate type and a comb tooth exchange type are overcome; and the robot clamping carrier has the advantages of high vehicle access speed, good rigidity, low civil engineering cost, and the like.

The present invention provides a method includes the steps of: conveying in a conveyance direction MD a second web in which components forming one part of an absorbent article are sequentially arranged; swinging an elastic member in a cross direction CD at a predetermined cycle by using a swing guide mechanism for guiding the elastic member; and pressing, between one pair of press rollers, the second web on which the elastic member is arranged. The swing guide mechanism has a motor with a rotational shaft, an arm member for guiding the elastic member to a predetermined position on the second web in the cross direction, and a speed reducer provided between the rotational shaft and a base of the arm member to make a rotational speed of the arm member slower than a rotational speed of the rotational shaft.

The present invention includes a rod link reducer of a spinal fixation system that includes a first and a second spinal rod manipulator; a first spinal rod manipulator joint connected to the first spinal rod manipulator and a second spinal rod manipulator joint connected to the second spinal rod manipulator; a first and a second translatable transverse shaft connected to the first and second joints, respectively; and a universal reducer connected to both the first and second translatable transverse shafts, wherein the universal reducer, the shafts and the linkers provide movement and temporary fixation of a spine that has been manipulated into a final position during spinal surgery.

A reduction-drive device has a first and a second reduction mechanism and distribution device. The first reduction mechanism has a planetary carrier, a planetary gear rotatably supported by the planetary carrier, an internal gear in mesh with the planetary gear and a sun gear. The first reduction mechanism is supported by the housing so as to reduce driving force of the electric motor. The second reduction mechanism is positioned between the electric motor and the first reduction mechanism so as to reduce an output of the first reduction mechanism. The differential device is supported by the housing so as to distribute the output of the second reduction mechanism to a wheel side.

The invention discloses a compact quick-change mechanism of a robot for minimally invasive surgery. The compact quick-change mechanism is composed a quick-change box and a quick-change base, and mainly comprises four groups of transmission mechanisms, a limiting and locking mechanism, a driving system and the like, wherein the connecting part of the quick-change box is connected with the tail end of an instrument with a wrist function through a rotating axis, and the quick-change box can quickly slide along a concave chute of the quick-change base, thereby realizing replacement of surgical instruments; the quick-change box sliding into the quick-change base is limited and fixed by the limiting and locking mechanism installed at the tail end of the quick-change base; the four groups of transmission mechanisms are in similar structures, and finally realize four degrees of freedom of the tail end of the instrument in a wire transmission mode respectively by a servomotor; a transmission steel wire can be fixed and tensioned by a wire fixing wheel assembly in each transmission mechanism; and the driving system is composed of a servomotor and a harmonic speed reducer, and is fixed on the base frame of the quick-change base through threaded connection. The compact quick-change mechanism disclosed by the invention has the advantages of compact structure, light weight, reliable transmission, high quick-change efficiency and the like.

The invention discloses an integrated electric wheel drive unit for an electric automobile, which comprises a disc motor, a motor controller, a battery unit, a whole vehicle electronic control unit ECU, a vehicle bridge and a brake caliper, wherein the brake caliper is fixed on a motor shell and matched with a rotor and brakes the rotor to rotate; the rotor is fixed at one end of a motor rotor shaft, while the other end is fixed on a vehicle wheel hub of a tire through a bearing; a stator is fixed on the motor shell which is fixed with the vehicle bridge; the whole vehicle electronic control unit ECU, the battery unit, the motor controller and the stator are connected with each other in turn through a high voltage wire bale; and the whole vehicle electronic control unit ECU is also in signal connection with the motor controller which is in signal connection with the brake caliper. The invention saves the conventional clutch, the conventional gear box, the conventional main speed reducer, the conventional differential mechanism and other components, simplifies the structure of the whole vehicle, improves the transmission efficiency, and can realize the electronic differential speed control of an electric wheel by control technology.

A compact, hand held carpet and upholstery extractor nozzle is provided having an air turbine and a compact gear reduction operatively connected to and driven by said turbine. At least a pair of scrub modules are interchangeably attachable to said gear reduction. A first scrub modules includes at least a pair of vertical axis scrub brushes for cleaning upholstery, carpeting and the like. When said first scrub module is attached to said gear reduction, the scrub brushes are operatively connected to and driven by said gear reduction. A second scrub module includes a single vertical axis scrub pad that is driven by said gear reduction for scouring hard surfaces, such as tiles, tubs, counter tops, etc.

The present invention relates to a device of self-determination position of a robot, and said device includes: a robot body; at least two driving wheels locating in two opposed sides of the robot body; a decelerator, connecting with a wheel shaft of said driving wheels through a power inputting portion; a motor, connecting with said power inputting portion of the decelerator through an outputting shaft; at least two driven wheels providing on the robot body, on which there are a plurality of grids around circumference direction taking the wheel shaft as the center; and at least two pairs of sensors, locating in one of outsides of each driven wheels, respectively, wherein said each pair of sensors include an emitting part and a receiving part facing toward said emitting part, moreover, through said grids, said receiving part can receive signals sent from the emitting part. According to the present invention, when said driving wheels lose steps or slip, the driven wheels do not move in respect to the ground, so that said sensors would not output signals about rotation of the wheels. It therefore can really represent the movement relation between said robot body and the ground.

An osmotic pump system includes a capsule having at least one delivery port, a membrane plug retained at an open end of the capsule remote from the delivery port, the membrane plug providing a fluid-permeable barrier between an interior and an exterior of the capsule, and a removable imbibition rate reducer attachable to the capsule. The imbibition rate reducer comprises one or more flow controllers selected from the group consisting of an orifice having a selected size smaller than a surface area of the membrane plug and a membrane having a selected thickness, surface area, radial compression, and permeability. The imbibition rate reducer allows customizable delivery of medicaments.

The invention provides a scale measuring device for a pitching dynamic derivative experiment. An electric motor is arranged in a motor support rod; a motor output shaft is connected with a transmission shaft via a speed reducer and a shaft coupling; the transmission shaft is rotationally connected with a scale support rod; the rear end of the scale support rod is fixedly connected with the front end of the motor support rod; the front end of the transmission shaft is provided with an eccentric wheel which is provided with a lug; the lug is inserted into a sliding chute of a slide block; upper and lower cross springs of a cross spring scale have a crisscross structure respectively, and the front and rear ends thereof are fixedly connected with a scale frame via a front seat; and central positions of the upper and lower cross springs are provided with supporting cylinders. The scale measuring device for the pitching dynamic derivative experiment is a novel pitching dynamic derivative scale device. A pitching direct derivative of an aerial craft and a rolling crossover derivative induced by yaw oscillation can be measured under a big attack angle by designing a special vibrating mechanism, the cross spring scale and a pitching five-component scale structure. The scale measuring device for the pitching dynamic derivative experiment can meet the requirement of a wind tunnel trial.

An apparatus for lengthening of extremities includes at least two supporting rings, a plurality of spikes mounted in each of the at least two supporting rings by spike-fixating elements, the at least two supporting rings connected with one another by threaded rods, which are displaced into rectilinear movement by automated drives connected with a portable block for power supply and control. Each automated drive includes a screw pair composed of a threaded rod and a threaded insert mounted via two bearings that are spaced from one another, and movable through a reducer with a stepper motor. The portable block is provided with elements for controlling a speed and a direction of movement of each of the automated drives, and a unit is provided for calculation and indication of displacement supplied by each of the automated drives.

The invention relates to a magnetic suspension controlled moment gyro with double frames, essentially consisting of a flywheel, an inner frame system and an outer frame system. The flywheel is arranged in the middle of the magnetic suspension controlled moment gyro with the double frames and essentially comprises a rotary shaft, a radial mixed magnetic bearing, an axial magnetic bearing, a radial displacement sensor, an axial displacement sensor, a high-speed motor and a gyro room; the inner frame system and the outer frame system essentially comprise the frames, a mechanical bearing, a moment motor, a reducer, an angle position sensor, a conductive slip ring a control system; the inner frame system is connected with a shaft hole on one end of the gyro room through the reducer and at the same time the conductive slip ring and the angle position sensor are connected with the shaft hole on the other end of the gyro room; the outer frame system is connected with a shaft hole on one end of the inner frame through the reducer and at the same time the conductive slip ring and the angle position sensor are connected with the shaft hole on the other end of the inner frame. The invention reduces noise, size and weight of the system through the mixed magnetic bearing, and eliminates bearing friction, and thus prolongs life span and promotes control accuracy of the controlled moment gyro.

A Pelton type turbine is mounted in a riser of a pop-up sprinkler for rotation about a horizontal axis and drives a central bevel pinion gear through a gear train reduction. Upper and lower bevel gears supported on a vertical drive shaft are simultaneously driven in opposite directions by the central bevel pinion gear. A clutch slides up and down along the drive shaft to engage radially extending teeth formed on its upper and lower sides with complementary teeth formed on the upper and lower bevel gears. One end of a yoke is coupled to the clutch and the other end is moved vertically by an over-center mechanism to shift the direction of rotation of a nozzle turret connected to the upper end of the drive shaft. The over-center mechanism is tripped back and forth by a shift disc engaged by a pair of tabs of a turret coupling assembly.

An adjustable sprinkler including an inner housing slideably engaged with an outer housing. The inner housing includes a head rotatably mounted to a body. The outer housing includes an inlet which receives pressurized water and transfers the pressurized water to a nozzle attached to the head. The inner housing includes a reverser for selectively driving an impeller in two different directions. The impeller is connected to a reducer which reduces the rotational rate transferred from the impeller to the head and also enables the head to be manually rotated without causing damage to the internal components of the adjustable sprinkler. The head includes a click set and a cap. The cap defines at least one opening to enable a user to insert a tool through the cap to adjust and set the boundaries of the spray pattern using the click set.

The invention discloses a comprehensive performance resting experiment table for a precision speed reduction device. The comprehensive performance resting experiment table comprises main components, such as a servo motor, an input end torque and rotational speed sensor, a high precision encoder, a measured speed reducer, a vibration noise and temperature sensor, an output torque and rotational speed sensor, a magnetic powder brake, and auxiliary components for connecting and fixing, such as a base, a horizontal sliding table, a coupling and a speed reducing mounting base; the comprehensive performance resting experiment table adopts the mode that the magnetic powder brake provides input end load, the input end of the servo motor is loaded, and angle, rotate speed, temperature, vibration and noise testing devices are added in the middle, so as to test the comprehensive performances of the precision speed reduction device. The comprehensive performance resting experiment table can accomplish testing of performances, such as transmission efficiency, torsional rigidity, vibration, noise and temperature rise, on one experiment table, and can test the comprehensive performances of different models of precision speed reduction devices. The comprehensive performance resting experiment table has the advantages of simple structure, high testing precision and high automation degree, and can meet the testing and detection requirements on the comprehensive performances of the precision speed reduction device.