813 results about "Rotation function" patented technology

A surgical instrument is provided having articulating, distal end rotation and tip rotational functions. The articulating function includes a wheel rotatable relative to a handle of the surgical instrument and operable to move an articulating section of the surgical instrument from a neutral or straight position to an articulated or bent position. The wheel incorporates a groove in the form of an Archimedes spiral to drive the articulating section between the neutral and bent positions.

The invention discloses a minimally invasive surgery instrument with a tail end self-rotation function. The minimally invasive surgery instrument comprises an instrument tail end and an instrument box, wherein the instrument tail end comprises an opening and closing assembly, the opening and closing assembly comprises left opening and closing pincers which are rotatably mounted on a tail end self-rotation base through a support shaft, the tail end self-rotation base is rotatably mounted on a deflection substrate, and is connected with the rotary driving device, a deflection wheel is fixed on the deflection substrate, the front end of a tail end support is rotatably connected on the deflection substrate through a rotation shaft of the deflection wheel, the front end of a connecting long shaft is fixedly connected with the tail end support, the rear end of the connecting long shaft is fixedly connected with a rotation shaft of the instrument box, and the instrument box is internally provided with an opening and closing transmission device, a tail end self-rotation transmission device, a deflection transmission device and a rotation transmission device. The minimally invasive surgery instrument adopts the novel four-degree-of-freedom configuration form, therefore, the minimally invasive surgery instrument has the relatively high flexibility, and further, the operation difficulties of surgeries including suturing and knotting of a robot can be effectively reduced.

A secondary projection imaging system in a multi-beam apparatus is proposed, which makes the secondary electron detection with high collection efficiency and low cross-talk. The system employs one zoom lens, one projection lens and one anti-scanning deflection unit. The zoom lens and the projection lens respectively perform the zoom function and the anti-rotating function to remain the total imaging magnification and the total image rotation with respect to the landing energies and / or the currents of the plural primary beamlets. The anti-scanning deflection unit performs the anti-scanning function to eliminate the dynamic image displacement due to the deflection scanning of the plural primary beamlets.

The invention discloses a safe shaver, comprising a shaver head and a handle, wherein the end of the handle is provided with a connection seat, the shaver head is moveably connected on the handle by a connection seat, a first magnetic block is arranged on the connection seat, a second magnetic block is arranged on the shaver head, and the first magnetic block and the second magnetic block are arranged in the way that identical magnetic poles are opposite to each other. Due to the two magnetic blocks, the invention can achieve the rotation function of the rotary shaver head, and has the advantages of less parts, simple structure and low manufacturing cost.

A centrifugal fluid pump apparatus includes a control mechanism including an emergency impeller rotation function. The emergency impeller rotation function includes a rotation termination function when the failure detection function detects a failure; impeller magnetic counterforce application function to apply a current to the electromagnet sufficient to overcome the magnetic attraction force of the rotor to the impeller caused by the magnet; hydrodynamic levitation control detection function to detect rotation of the impeller and the rotor by using a motor current monitored by the motor current monitoring function; motor speed control function for increasing the motor speed up to a predetermined value after the hydrodynamic levitation control detection function detects that the hydraulic bearing coupling between the impeller and the rotor has been made; and impeller magnetic counterforce termination function to terminate current to the electromagnet once the predetermined impeller rotation speed is reached.

A tool holder for attaching a complex tool having a plurality of kinds of cutting edges to a turret, has a base portion attachably and detachably formed at the turret. The base portion has a rotatable tool spindle attachably and detachably installing the complex tool thereon. The tool spindle is provided with indexing means for indexably rotating the tool spindle at an indexed position corresponding to each cutting edge of the complex tool. And, clamping means for clamping the tool spindle at a predetermined indexed position is provided. Indexing rotational function and clamping function owned by the tool holder makes the use of the complex tool in the lathe possible.

A centrifugal fluid pump apparatus includes a control mechanism; and a body including a pump section having an impeller rotating inside a housing; a rotor having an impeller attraction magnet; a motor for rotating the rotor; an impeller attraction electromagnet for attracting the impeller thereto; an impeller-position detection sensor; and hydrodynamic bearing means provided on an inner surface of the housing. The control mechanism has a position sensor output monitoring function or an electromagnet current monitoring function, a motor current monitoring function; and an emergency impeller rotation function. The emergency impeller rotation function includes a rotation termination function of terminating current to the motor and the electromagnet when the failure detection function detects a failure to thereby terminate rotation of the rotor and the impeller; impeller magnetic counterforce application function to apply a current to the electromagnet sufficient to overcome the magnetic attraction force of the rotor to the impeller caused by the magnet; hydrodynamic levitation control detection function to detect rotation of the impeller and the rotor by using a motor current monitored by the motor current monitoring function; motor speed control function for increasing the motor speed and hence the impeller rotation speed up to a predetermined value after the hydrodynamic levitation control detection function detects that the hydraulic bearing coupling between the impeller and the rotor has been made; and impeller magnetic counterforce termination function to terminate current to the electromagnet once the predetermined impeller rotation speed is reached.

The invention discloses an automatic welding device and welding method for stators. The automatic welding device comprises a shell body, a base, a rotary table, a lifting mechanism, a compressing device, welding guns, an electrical cabinet, a guide rod, a hydraulic cylinder, a lead screw, a servo motor, dabber fixtures and a servo control system, wherein the rotary table is installed on the base through a rotary shaft, the lifting mechanism is installed in a rectangular tank of the base, the two dabber fixtures which are the same in structure are installed on the horizontal plane of the rotary table, and the welding guns are evenly distributed on the outer circumference of the compressing device. The rotary table is provided with the two dabber fixtures and has the work station rotating function, and two stators can be installed at the same time and then are welded and machined through rotation of the rotary table; meanwhile, the welding guns are installed at the same time, welding of multiple passes of welding lines can be conducted, and accordingly working efficiency is improved. A servo motor of the automatic welding device is controlled by the servo control system, and machining speed and position are accurate.

A round cutting insert with a reverse anti-rotation feature that can be manufactured easily and inexpensively is disclosed. The round cutting insert includes a plurality of dimples formed on a first surface and another plurality of dimples formed on a second, opposing surface. The round insert is reversible and indexable. The round cutting insert is removable received in an insert receiving pocket in a tool body. The insert receiving pocket includes a single projection that is capable of being received in one of the plurality of dimples. The cooperation between the projection and one of the plurality of dimples prevents rotation of the round cutting insert when mounted in the insert receiving pocket. The plurality of dimples and the projection can be any desirable complimentary shape, such as a slot, a V-shape, a wagon wheel, a sports wheel, a pyramid, and the like.

An improved electrical connector and jack is provided. The electrical connector includes a main connector housing and a stereo plug protruding from a front surface of the main connector housing. A first pair of electrical contact pins is supported by the main connector housing on a first side of the stereo plug, and a second pair of electrical contact pins is supported by the main connector housing on a second side of the stereo plug opposite the first side of the stereo plug. An alignment feature protrudes from the front surface of the main connector housing adjacent the stereo plug, providing orientation key and anti-rotation functions to be provided with a narrower profile.

The invention discloses a method for controlling cradle head motion. The method comprises the following steps: 1, pre-setting the motion range of the cradle head; 2, detecting the current position of the cradle head in real time, controlling the cradle head to move back to the preset cradle head motion range in real time when the current position of the cradle head is out of the preset cradle head motion range; and 3, when the cradle head needs to be moved to a target position, if the target position is within the preset cradle head motion range, controlling the cradle head to move from the current position to the target position according to a preset moving trajectory. Besides, the invention further discloses a cradle head; by adopting the method for controlling the cradle head motion and the cradle head, the cradle head can rotate horizontally for 360 degrees, meanwhile, a user can control the cradle head to rotate to the target position within a preset motion range, and therefore, the requirement of the user on video monitoring in a specific range is met, and the product using experience of the user is remarkably improved.

The invention discloses a spherical robot with an in-situ rotation function carried with a control moment gyro. The robot is mainly composed of a homogeneous spherical shell, an advance driving mechanism, a steering mechanism, a control moment gyro mechanism, a heavy pendulum and the like. The steering mechanism is composed of two steering motors, a steering gear mechanism, a toothed belt wheel mechanism and the like. In-situ steering of the sphere is achieved through the cooperation of output torques of the two motors. Meanwhile, the robot is carried with the control moment gyro mechanism, and the control moment gyro mechanism is mainly composed of a flywheel, a flywheel rotation motor, a flywheel fixing frame, a frame rotation steering engine, the toothed belt wheel mechanism and the like; extra precession moment is provided through the precession effect of a gyro rotor which rotates at a high speed, so that the operation speed of the robot is higher, and the climbing and obstacle crossing capacity is improved. The spherical robot can steer in-situ and is high in operation speed, the movement rapidity and flexibility of the spherical robot are greatly improved, and the spherical robot has great application prospects.

An improved interbody fusion device incorporating anti-rotation features to inhibit accidental screwing or unscrewing of the fusion device in an intervertebral disc space. One such feature is a thread pattern having a crest diameter that increasingly tapers from a smaller diameter at the insertion end to a larger diameter at the opposite end making further advancement of the thread into the bone more difficult. Another feature is a thread cut out on the trailing edge of the thread, creating a barb which has a tendency to inhibit unscrewing. These features may be used alone or in combination for an improved interbody fusion device.

The invention discloses a spray painting machine. The spray painting machine comprises a spray gun, a machine frame, a control console arranged on the machine frame, and a horizontal electric box located below the control console. The spray painting machine further comprises a synchronous rotary table and a five-axis mechanism, wherein the synchronous rotary table is arranged on the control console, and a plurality of workpieces can be mounted on the synchronous rotary table at the same time; the five-axis mechanism is mounted at the top end of the machine frame and drives the spray gun. The five-axis mechanism comprises a Z-axis linear sliding table driving the spray gun to move up and down, an X-axis linear sliding table driving the Z-axis linear sliding table to move left and right, a Y-axis linear sliding table driving the X-axis linear sliding table to move front and back, a W-axis rotating mechanism and a P-axis rotating mechanism, wherein the W-axis rotating mechanism and the P-axis rotating mechanism are mounted on the Z-axis linear sliding table and drive the spray gun to rotate. According to the spray painting machine, the Z-axis linear sliding table and the station rotary table are innovated and improved, so that the spray gun has the two-direction rotating function, all the workpieces have the consistent rotating angle, the automation degree is improved, product surface quality and product consistency are improved, and synchronous rotating spray painting of the multiple workpieces is achieved.

The present invention relates to a method for detecting a rotation speed and a rotation direction of a rotating apparatus with the digital detection of a single sensor. In the method, a turnable which is connected with a rotation axis with a same axial center is provided on the rotating apparatus. Different directions of the circumference of the turnable are provided with a plurality of inducing pieces of a same sensor. The position angles formed by adjacent inducing pieces are not equal. The inducing pieces are arranged in the sequence of the magnitude of the position angle. When the turnable rotates, a sensor detects the pulse output generated by the inducing pieces. The pulse signal is obtained through a shaping circuit and is outputted to an arithmetic circuit and is connected to a display circuit. A time period S for rotating the turnable for a circle is the summation of a plurality of adjacent pulse interval lengths of a plurality of inducing piece compositions. The rotation speed of the turnable is digitally displayed. The arrival sequence of spacing interval of random adjacent pulse is obtained for determining that the rotation direction of the turnable is clockwise direction or counter-clockwise direction. The invention requires only one sensor for completing the digital detection to the rotation speed and rotation direction of the rotating apparatus. The installation position of the inducing piece of the sensor has no high requirement and the structure is simple. The cost for digital detection and the cost for installing the sensor are reduced.

An apparatus for achieving in-situ micromechanics, microstructure and component integrated research in a scanning electron microscope belongs to the field of material microstructure and performance in-situ characterization. According to the apparatus, a double trapezoid leading screw transmission system is adopted, thus the apparatus is large in rigidity and high in test precision; the apparatus can stably operate in the scanning electron microscope, has low mechanical noise, and has low interference on scanning electron microscope imaging; the trapezoid leading screw has a self-locking function, thus the test can be paused and started at any time, continuity of test data is good; a sample clamp has a rotation function, thus when material extension / compression mechanical properties are measured, scanning electron beam imaging, EDS and EBSD integrated test can be satisfied at the same micro area; clamp support frames designed by the apparatus, the sample clamps and samples have the completely symmetrical structure, thus the samples receive the completely symmetrical extension / compression stress, and a geometric center of the sample, i.e., a deformation center, is located right under an electron beam all the time, thereby facilitating in-situ tracking dynamic research and high-quality microscopic scanning image acquisition.

A floating body can be as the magnetic levitation system of the bidirectional random autorotation and its control system. It is are composed of the magnetic levitation permanent magnet embedded in the floating body, electromagnet in the trestle cabinet, displacement transducer, magnetic levitation control circuit, rotary permanent magnet embedded in the floating body, magnetic magnet coil in the trestle cabinet, proximity transducer and rotary control circuit respectively. It is featured by the convenient use. On the corresponding magnetic levitation system, it can evolve into the magnetic levitation tellurions, spheres, balls, toys, advertising products, model exhibitions, souvenirs, artwares.

A round cutting insert with an anti-rotation feature. The round cutting insert includes a plurality of projections formed on a first surface and another plurality of projections formed on an opposing surface. The round cutting insert is reversible and indexable. The round cutting insert is removably received in an insert receiving pocket in a tool body wherein the insert receiving pocket includes a plurality of dimples for receiving one of the plurality of first projections or the plurality of second projections. This arrangement prevents rotation of the round cutting insert while mounted in the insert receiving pocket.

The invention provides a mill welding machine with moving and rotating function, which comprises a base, a main frame, a moving frame, an induction mill welding structure, a worktable and a clamp; a drive structure is arranged at the bottom of the main frame, which is composed of a screw rod connected with a motor and a nut at the bottom of the main frame; a sliding way which is parallel to a lead rail is arranged on the main frame; the moving frame is supported on the sliding way, an induction mill welding structure is provided at one side of the worktable close to the moving frame; the worktable and the clamp are fixed two lead rails at one side of the base, which comprises a worktable of the supporting work piece and a clamp of the clamp work piece. The beneficial effect of the invention is that: the invention has simple structure and advanced technology, which is suitable for symmetric work piece at the position of welding opening. The forming structure can ensure the welding opening flat, which is especially suitable for large and middle size water wheel dynamo rotor coil with adopting four corner welded purple copper bar. After one side of the work piece is finished welding, the main frame returns, the worktable drives the coil rotate by 180 degree, and proceed welding to the other side of the work piece.

The invention discloses a color wheel module comprising a motor, a color filtering unit and a magnetic sensing member. The motor is provided with a rotation unit with a position index, the color filtering unit is connected to the rotation unit, and the magnetic sensing member is disposed beside the motor and used for sensing the changes of a magnetic field resulted from the rotation of the position index driven by the rotation unit. In addition, the invention also proposes a projection device with the color wheel module.

The present invention relates to a double-type case coupling a character case having a clicking rotation function with a smartphone case, wherein a smartphone can be held by rotating a character case having a clicking rotation function by means of a component that can rotate on the smartphone case, and the exterior of the smartphone can be aesthetically formed.

The invention discloses a numerical-control six-shaft intelligent water jet cutter. The numerical-control six-shaft intelligent water jet cutter comprises a water jet cutting platform composed of a side frame, a transverse beam and a water tank, an X-shaft transmission mechanism, a Y-shaft transmission mechanism, a Z-shaft transmission mechanism and a cutting head installed on a Z shaft, wherein the X-shaft transmission mechanism, the Y-shaft transmission mechanism and the Z-shaft transmission mechanism are installed on the water jet cutting platform. The cutting head is a cutting head with the A-shaft, B-shaft and C-shaft transmission combined rotation function, an A-shaft driven belt wheel installed on an A-shaft frame is driven by an A-shaft motor, a water jet nozzle is fixed to the A-shaft driven belt wheel, and the water jet nozzle and the A-shaft driven belt wheel synchronously rotate. A B-shaft motor drives the A-shaft frame through the B-shaft transmission mechanism to perform arc rotation. A C-shaft motor drives a B-shaft frame to rotate, and a C-shaft flange shaft is connected with a C-shaft frame fixed to the Z shaft. Under the control of a master programmable controller, an X shaft, a Y shaft, the Z shaft, an A shaft, a B shaft and a C shaft are linked to control the position and the direction of the water jet nozzle, the defect that a traditional water jet cutting device can not complete cutting at a time under some conditions is overcome, the cutting head posture adjustment time is shortened, the cutting accuracy and the cutting efficiency are improved, and the water jet cutting machining cost is reduced.

A mount for motorcycles and other vehicles is provided that resists relative rotational movement at the connection between the mount and the vehicle, and at the connection between the mount and a plate that supports a portable device such as a GPS, toll transponder, radar collector and the like, while permitting disengagement at such connections in response to the application of a force to the mount.

There is provided a processing method of a tube body comprising the steps of a tube-expanding step wherein a base tube is partially retained with a chuck unit having a rotational function, and a mandrel is pressed in to an end portion of the base tube so as to expand the end portion of the base tube; and a rotation ironing step wherein the chuck unit rotates the base tube together with the mandrel a roller die is pressed against an outer-periphery surface of the end portion of the base tube and the roller die is moved with respect to the base tube and in an axial direction thereof so as to deform an inner periphery surface of the end portion of the base tube into a shape corresponding to an external shape of the mandrel.

A centrifugal fluid pump apparatus includes a control mechanism; and a body 5 including a pump section having an impeller rotating inside a housing; a rotor having an impeller attraction magnet; a motor for rotating the rotor; an impeller attraction electromagnet for attracting the impeller thereto; an impeller-position detection sensor; and a groove for hydrodynamic bearing provided on an inner surface of the housing. The control mechanism has a position sensor output monitoring function or an electromagnet current monitoring function, a motor current monitoring function; and an emergency impeller rotation function. The impeller rotation function operates when the sensors or the electromagnet has a failure by using the position sensor output monitoring function or the electromagnet current monitoring function to rotate the impeller by utilizing the groove for hydrodynamic bearing.

The invention discloses building steel pipe cutting-off equipment with a steel pipe synchronous rotation function. The equipment comprises a base, wherein the left part of the base is fixedly connected with a first supporting plate, and a movable through hole is formed in the first supporting plate; a second supporting plate is fixedly connected to the position, located on the right side of the first supporting plate, of the base, another movable through hole is formed in the second supporting plate, and a steel pipe is jointly erected in the two movable through holes; annular grooves are formed in the left side wall of the first supporting plate, and sleeves are arranged in the annular grooves; a disc is fixedly connected to the left ends of the sleeves, a steel pipe clamping device is fixedly connected to the right side wall of the disc, a gear ring is fixedly connected to the edge of the disc, and a gear is meshed with the lower side of the gear ring. The building steel pipe cutting-off equipment with the steel pipe synchronous rotation function has the beneficial effects that a rotating shaft drives the gear to rotate, the gear drives the gear ring to rotate, and the gear ringcan drive the steel pipe to rotate through the disc and the steel pipe clamping device, so that the large-diameter steel pipe is conveniently cut, furthermore, a notch is flat, subsequent trimming does not need to be carried out, and operation safety performance is higher.

A fastener-driving tool includes a combustion power source configured for driving a driver blade linearly towards a workpiece, and an electrical power source associated with the combustion power source for rotationally driving the driver blade upon completion of the linear travel, both power sources being disposed in the tool.