16149 results about "Rotational axis" patented technology

A robotic torso for a humanoid robot includes a first torso member having an axial axis aligned with a reference axis and a second torso member having at least one mounting portion for at least one humanoid component. The robotic torso includes a series of actuators arranged in a column between the first torso member and the second torso member and coupling the first torso member to the second torso member. Each of the actuators has a rotatable member defining a rotational axis. The rotational axes of each adjacent pair of actuators in the series of actuators are orthogonal to each other.

A scrubber comprises a cleaning head assembly, the cleaning head assembly comprises a shell, a motor and a roller assembly connected to the motor in a sleeving mode, the motor is installed on one side of the interior of the shell, and the roller assembly comprises a roller piece fixedly connected with a first gear piece; the cleaning head assembly further comprises a transmission assembly arranged on the portion, on the opposite side of the motor installation position, of the shell and a brush assembly connected between the two opposite sides of the shell in a bridging mode, the motor drives the roller assembly to rotate, and the roller assembly and the brush assembly synchronously rotate through the transmission assembly. The transmission assembly is in transmission connection with the first gear piece; the first gear piece comprises a gear and an elastic piece; the gear is fixedly connected with the elastic piece, the elastic piece is detachably and fixedly connected with the roller piece in an inner cavity of the roller piece, the elastic piece comprises a rotating shaft and a spring, the rotating shaft elastically abuts against the shaft sleeve through the spring, the shaft sleeve detachably abuts against the roller piece in the inner cavity of the roller piece, and the rotating shaft can serve as a rotating shaft of the roller piece. And the spring can stretch out and draw back in the inner cavity of the roller piece.

The invention relates to the technical field of numerical control programming, in particular to a five-axis machining path planning method and system based on data driving, and the method comprises the following steps: obtaining real-time coordinates of each axis of a machine tool, calculating linear velocity and angular velocity components to construct a Jacobian matrix, executing singular value decomposition, and calculating a conditional number ratio by using maximum and minimum singular values; and inputting a nonlinear mapping function to calculate a dynamic penalty factor, generating a rotating shaft weighted item in combination with a rotating shaft identifier, constructing a weighted damping least square objective function, calculating a five-axis motion increment, and accumulating the five-axis motion increment with a real-time coordinate to generate a target absolute position coordinate. According to the method, the pose singularity degree is quantified by monitoring the machine tool pose condition number ratio and converted into the dynamic penalty factor to apply the self-adaptive constraint to the rotating shaft, the severe sudden change of the rotating shaft in the singularity area is inhibited, the tool nose track following error is minimized, and meanwhile smooth distribution of the motion increment is achieved; and the dynamic stability and the surface quality of five-axis linkage machining are improved.

A chassis frame welding apparatus with a turning-over function comprises a welding device (1), a support frame (2), and two rotating supporting apparatuses, wherein the support frame is located between the two rotating supporting apparatuses; the welding device is disposed adjacent to the support frame; and each rotating supporting apparatus comprises a lifting device (4), a rotating device (5) and a clamping device (6), the rotating device comprising a rotating shaft (51), a one-way bearing (52), a first gear (53), and a first toothed plate (10). The chassis frame welding apparatus is provided with the one-way bearing and the first gear, which fits with the first toothed plate, and during the process in which the lifting device is used to lift by means of the rotating device and the clamping device a workpiece to be separated from the support frame, the first gear interacts with the first toothed plate, and the rotating shaft is then driven by means of the one-way bearing to rotate by 180 degrees; thus, the spacing between the workpiece and the support frame is adjusted by means of the lifting device, and the turning over of the workpiece under driving is completed, without providing a plurality of driving systems, thereby simplifying a turning-over supporting apparatus.

The invention discloses a crimping test device for an electric connector, a lifting structure is rotatably connected with a lifting plate, a rotating shaft is also provided with a swing structure, a floating piece is fixed below the lifting plate, a base is slidably provided with a placing plate through two transverse rails and transverse slide blocks, the placing plate is provided with a terminal clamp, and the terminal clamp is provided with a terminal. A connector terminal is fixed to the terminal clamp, an electric wire of the connector terminal is fixed to a cable fixing piece, a vibrating piece is installed on the rear side transverse sliding block, the floating piece is in sliding connection with the vibrating piece, and a driving piece is installed on the swing structure in a sliding mode. The lifting plate does up-and-down reciprocating rectilinear motion under the action of the speed reducer through the lifting structure, so that the cable fixing piece can do up-and-down reciprocating motion, an electric wire fixed on the cable fixing piece can be continuously straightened and loosened upwards, and the state that the electric wire on the connector terminal is suddenly pulled is simulated.

A method of cooling rotor winding end turns extending from a rotor core includes coupling a collar to a rotatable shaft of the rotor core. The collar has a first wall confronting the rotor core, a second wall spaced from and opposing the first wall, a third wall between the first and second walls defining a set of apertures therethrough, a first cavity cooperatively defined by the first, second and third walls, having a first opening opposing the third wall, a fourth wall circumscribing the third wall, a second cavity cooperatively defined by the second, third and fourth walls, the second cavity defining a second opening opposing the second wall. The first and second cavities are in fluid communication, and the rotor winding end turns are receivable into the second cavity. The method includes directing a coolant into the first cavity, and delivering the coolant to the second cavity.

A shooting target launcher, associated components and methods. The launcher spins one or more helicopter-like shooting targets to launch the targets. A target connector receives the targets. The target connector is rotated about an axis of rotation to rotate the targets about the axis of rotation. The targets have fan blades that, when rotated, propel the target through the air.

The inductive position detector includes: a stator having a wiring board; a rotor having a non-conductive component disposed in opposed relation to the stator and rotatable relative to the stator about a rotation axis; a conductor pattern held by the non-conductive component so as to have cyclicity (geometrical periodicity) circumferentially about the rotation axis, and movable to pass through a rotation track defined about the rotation axis as the rotor is rotated; and a plurality of chip inductors surface-mounted on a major surface of the wiring board of the stator in opposed relation to the rotation track so as to have different spatial phases with respect to the conductor pattern, and respectively serving as detection coils that detect a magnetic field change occurring due to the passage of the conductor pattern.

The disclosure describes an expanding drill device for expanding a pilot bore by moving the expanding drill device along a specified drilling line comprising: a housing; a drill head that has a cutting wheel which is arranged on the drill side of the expanding drill device so as to be rotatably mounted and driven about a rotational axis and relative to the housing and on which at least one drill tool for loosening the ground or the rock is arranged; and a drill-side connection for producing a connection to a pipe section located in the pilot bore on the drill side, wherein the drill side centrally has at least one receiving chamber for the loosened ground or the loosened rock, said receiving chamber being connected to a material conveyor device of the expanding drill device.

A shooting target launcher, associated components and methods. The launcher spins one or more helicopter-like shooting targets to launch the targets. A target connector receives the targets. The target connector is rotated about an axis of rotation to rotate the targets about the axis of rotation. The targets have fan blades that, when rotated, propel the target through the air.

The invention relates to the technical field of planetary gear machining equipment, and discloses a planetary gear machining device with a bidirectional feeding mechanism, which mainly comprises a planetary gear machining machine tool machining table for bearing machining operation, and a conveying mechanism for conveying planetary gear blanks, the bidirectional feeding mechanism is used for realizing bidirectional precise feeding; the conveying mechanism is arranged between machining tables of the planetary gear machining machine tool and used for achieving long-distance conveying of blanks. Two-way operation of blank feeding and finished product discharging can be achieved through the feeding robot of the two-way feeding mechanism, manual intervention is not needed, the blanks on the conveying belt are accurately transferred to the machining table, the finished products are transferred to the designated position after machining is completed, and automation of the whole process is achieved; the mechanical arm of the feeding robot is flexible and controllable and can be matched with the rotating shaft to meet the grabbing and transferring requirements of different angles, the feeding path is accurate, the feeding time is greatly shortened, and the batch production efficiency is improved.

The utility model relates to the field of folding fishing platforms, in particular to an integrated foldable storage fishing platform and fishing platform, which comprises a split type locking sleeve fixedly mounted at the top corner of a platform plate and provided with an insertion cavity for insertion of supporting legs, and the insertion cavity has an insertion direction extending from the top of the split type locking sleeve to the bottom of the split type locking sleeve. The support leg is provided with a first insertion position and a second insertion position along the insertion direction; the rotating piece is rotatably mounted in the split type locking sleeve and provided with a rotating shaft perpendicular to the insertion direction, and a penetrating cavity allowing the supporting foot to penetrate through is formed in the rotating piece; the effect of rotating the supporting legs to the back side of the table plate under the condition that the supporting legs are not completely separated is achieved through the split type locking sleeves internally provided with the rotating pieces, and the technical problems that in the prior art, a fishing table is not convenient enough to store, and the supporting legs are prone to being lost are solved.

A spreader system includes two spreader rotors configured to rotate about upright rotation axes and to eject residue crop material centrally between the rotors in a direction tangential to the rotors. The spreader system further includes a first structure that is configured to undergo an oscillating movement, such as a rotating oscillation about a central axis oriented in the tangential direction. The spreader system further includes adjustable deflector blades. The first structure can be a main deflector having main deflector blades, wherein the adjustable deflector blades are parallel to the main deflector blades and adjustable by a translation relative to the main deflector blades in an upward or downward direction, to thereby influence a gap between the main deflector and a lower plane of the rotors. The adjustable blades may be each pivotable relative to a frame so that their angular position can be set to one of several positions.

The invention relates to a method and device for measuring pitch deviation based on a line laser sensor, and the method comprises the following steps: S1, calibrating the position of the line laser sensor, and obtaining the coordinate value of a coordinate system of the line laser sensor in a measurement coordinate system; s2, installing a tested gear; s3, adjusting the relative position of the line laser sensor and the measured gear; selecting a measured position in the tooth surface area of the gear teeth of the measured gear, adjusting the position of the line laser sensor, and recording the sum of the offset of the adjusted line laser sensor relative to the center of the measured gear along the x axis and the y axis in the effective measurement range of the line laser sensor at the measured position; s4, performing zero returning operation on the angle sensor of the rotating shaft of the tested gear; and S5, controlling the detected gear to rotate along the center line of the detected gear. According to the method and the device, the pitch deviation can be measured in a non-contact mode, excessive calibration and leveling are not needed before detection, and the measurement efficiency and the measurement precision are both improved.

The invention relates to a binocular having two tubes, which are connected to one another by means of a hinged bridge pivotable about a hinge axis for adjusting the interpupillary distance, wherein an axially displaceable focusing means is arranged in each one of the two tubes, and wherein a common focusing device for displacing the focusing means is formed, wherein the focusing device comprises a housing and a focusing knob rotatable about a rotational axis and the rotational axis is arranged coaxially to the hinge axis, and wherein the focusing knob is rotationally coupled to a focusing gear and the focusing gear, in each case, comprises a push rod, by means of which the focusing gear is, in each case, coupled to one of the two focusing means, wherein a direction of a back-and-forth displacement of the push rod and a direction of the hinge axis are aligned obliquely with respect to each other.

The invention discloses an air jet loom reed defect detection device, and relates to the technical field of detection, the air jet loom reed defect detection device comprises a support table, a rotating shaft is rotatably connected in the support table, the surface of the rotating shaft is fixedly sleeved with a clamping gear, and the surface of the rotating shaft is movably sleeved with two torsion springs; the opposite ends of the two torsion springs are fixedly connected with the two sides of the clamping gear, so that the upward moving distance of the lifting rack is larger than the upward moving distance of the telescopic outer rod, then the lifting rack drives the rotating gear to rotate in a large range, a worker is conveniently reminded of unevenness of a reed wire on the reed, the reed is conveniently detected, and the working efficiency is improved. And meanwhile, a user can conveniently amplify detection data, so that a slight height difference can be conveniently amplified, a worker can be conveniently assisted in watching, the detection convenience is improved, the phenomenon of omission is prevented, and unqualified reeds are prevented from flowing into the market to the maximum extent.

An arrangement for fixing a housing of a wind turbine gearbox in a nacelle, including a housing-fixing means, a nacelle-fixing means, and at least two spring devices. The spring devices support the housing-fixing means against the nacelle-fixing means in opposite directions along a support axis. The spring devices are arranged on different sides of a plane extending parallel to an axis of rotation of an input shaft of the wind turbine gearbox.

Winding apparatuses and methods for manufacturing an article of apparel. A winding apparatus can comprise a winding unit comprising a rotatable shaft, a thread guide movable along an axis perpendicular to the shaft, and a plate comprising a base coupled to the shaft and a plurality of projections extending from the base. The winding apparatus can also comprise a first actuator configured to rotate the shaft and a second actuator configured to move the thread guide along the axis and between respective projections of the plurality of projections to wind a continuous thread around the plurality of projections.

The present disclosure relates to a massage apparatus including an arm massage part, the massage apparatus comprising: a frame connection part which connects a buttock frame provided in a main frame and a back frame provided in the main frame, and which rotates about a frame rotation axis on the basis of the movement of the back frame; a driving shaft which passes through the frame connection part and moves along an arc-shaped driving shaft slot on the basis of the movement of the back frame; and an arm massage frame holder which moves along a sliding rail on the basis of the movement of a plurality of links that transmit the movement of the driving shaft.

The invention discloses an energy-saving and efficiency-improving submersible pump for an integrated pump gate. The energy-saving and efficiency-improving submersible pump comprises a gate body and a submersible pump body, the pump body part comprises an impeller, a rotating shaft and a pump shell, the inducer is arranged at the upstream end of the impeller, and the impeller comprises impeller blades and a hub; the device is characterized in that a step part is arranged on the peripheral surface of the lower end part of the hub, the inducer comprises inducing blades and an adjusting cylinder, the upper end of the adjusting cylinder is connected with the step part, the lower end of the adjusting cylinder is connected with an adjusting cap, a drainage cavity is formed among the adjusting cap, the adjusting cylinder and the lower end part of the hub, a first through hole is formed in the adjusting cap, and a second through hole is formed in the adjusting cylinder; third through holes are formed in the induction blades, and the third through holes penetrate to the blade tops of the induction blades. The suction performance of the submersible pump can be improved, the influence of boundary layers between the induction blades and impeller blades and secondary flow on liquid flowing is reduced, and therefore the hydraulic performance and efficiency of the submersible pump can be improved, and the good effects of energy saving and efficiency improving are achieved.

This application provides a rotary shaft assembly and a foldable electronic device. A cam group of the rotary shaft assembly includes a first cam and a second cam, and the first cam and the second cam are in mutual contact and extrusion, and can rotate relative to each other. A protruding part is disposed on the first cam, a recessed part is disposed on the second cam, and the recessed part has a sliding surface. When the first cam rotates relative to the second cam, the protruding part always slides on the sliding surface of a corresponding recessed part. The sliding surface is inclined relative to a plane perpendicular to an axis of a connecting shaft, and extends, from a first end to a second end, toward a direction away from the first cam in a direction of the axis of the connecting shaft.

The present invention discloses an embedded hard cover, comprises rotating shaft, edge strip, guide rail system, clip system, multiple plate bodies; the multiple plate bodies are connected by the rotating shaft; the edge strip is connected to both ends of the rotating shaft and the plate body, the rotating shaft, the plate body, the edge strip form the main body of the lid; the guide rail system is used to support the cover body, and the clip system is used to fix the guide rail system on the car body, the guide rail system includes a guide rail, the guide rail upper plane and the guide rail lower plane; the front plate comprises a front plate side rail, which is provided with a support edge supported on a flat surface of the guide rail, a gap between the front panel side rail and the lower surface of the guide rail.

A vibration damping device for a head-up display driving module, the device comprising: a power generating unit configured to a first damper having a predetermined thickness based on a shape corresponding to a motor mount to which a motor is fixed and a second damper fitted into an open hole of a damper mount disposed on top of the motor mount; and a power transmission unit configured to transmit power of the motor by rotating a lead screw extended and coupled to a rotating shaft of the motor.

A wheel of the present disclosure includes a barrel holder, barrel support shafts, barrels, and bearings. The barrel holder is rotationally driven. The barrel support shafts arranged on the circumference of the barrel holder at an angle to a rotation axis of the barrel holder. The barrels are barrel-shaped rotating bodies. The barrels are rotatably supported on the corresponding barrel support shafts, and outer surfaces of the barrels contact a surface on which the wheel travels as the barrel holder rotates. The bearing supports the retainer. A groove is formed at least in a region of the outer circumferential surface of the barrel support shaft extending in the axial direction and including a radially inner projected area of the retainer.

A wheel assembly includes a wheel portion and a pair of drive assemblies opposing each other with the wheel portion interposed therebetween. One of the pair of drive assemblies includes a first motor and a first deceleration assembly. The other of the pair of drive assemblies includes a second motor and a second deceleration assembly. The first deceleration assembly includes a first input shaft connected to the first output shaft. The first rotation axis and the second rotation axis are parallel to the rotation axis of the wheel portion and disposed outside the wheel portion in the radial direction of the wheel portion. The first output shaft, the first input shaft, the second output shaft, and the second input shaft extend in a direction away from the wheel portion in a direction along the rotation axis.

A hinge structure and an electronic device. The hinge structure includes a base, a swing arm assembly, a rotating shaft, a friction plate, and a compression spring. The rotating shaft is disposed on the base, both the swing arm assembly and the friction plate are disposed on the rotating shaft, and the swing arm assembly is rotatably connected to the rotating shaft. The swing arm assembly includes at least two damping plates, the at least two damping plates are sleeved on the rotating shaft, the at least two damping plates are rotatably connected to the rotating shaft, the friction plate is disposed between the at least two damping plates, the at least two damping plates are in contact with the friction plate.

The utility model discloses a silicon optical wafer test device and an alignment coupling mechanism and a test system thereof. The alignment coupling mechanism comprises an optical fiber coupling module, a piezoelectric displacement table and a tail end connecting structure which are connected in sequence. The optical fiber coupling module comprises three translation assemblies and three rotating assemblies which are sequentially connected in series; the three translation assemblies are used for driving the tail end connecting structure to do translation motion in the first direction, the second direction and the third direction correspondingly. The three rotating assemblies are used for driving the tail end connecting structure to rotate with the first rotating shaft, the second rotating shaft and the third rotating shaft as the center correspondingly. The first direction, the second direction and the third direction are vertical in pairs; the first rotating shaft, the second rotating shaft and the third rotating shaft are perpendicular pairwise. Each assembly only needs to achieve motion adjustment on one degree of freedom, the function is single, precise control over motion adjustment is facilitated, all the assemblies only need to be sequentially connected in series, spliced and connected, implementation is simple and easy, and equipment cost can be reduced.

The invention provides a low-torque hydraulic balance ball valve, which relates to the technical field of valves, and comprises a valve body, a circular cavity is arranged in the valve body, a rotating shaft is arranged on the valve body in a penetrating manner, a valve core is arranged in the circular cavity, the rotating shaft is connected with the valve core, the valve body is also provided with a connecting channel, and the inlet end of the valve body is connected with the circular cavity through the connecting channel in a penetrating manner; a connecting hole is formed in the valve element, the valve element is communicated with the circular cavity through the connecting hole, a driving rod is arranged in the connecting channel, a stable sealing device is further arranged in the valve body, the driving rod is used for driving the stable sealing device, and the stable sealing device is used for enhancing the sealing effect of the rotating shaft and the circular cavity. The stable sealing device is arranged, the sealing action and the hydraulic balance process are synchronously carried out, an additional power source is not needed, the sealing effect of the rotating shaft and the circular cavity is synchronously enhanced in the hydraulic balance process, and dual optimization of torque reduction and leakage prevention is achieved.

A pallet conveying module, including a support structure on which there is arranged a rolling travel track configured to displace the pallets, and a retaining system to stop the pallet on said track. The retaining system comprises a first non-motorized mechanically operated braking device having a retractable region that rotates with respect to an shaft with a stop projection provided to abut with support legs of the pallet to be stopped, such that in a standby position, the retractable region is on an inclined plane with respect to the horizontal plane, while in a stop position the stop projection is in contact against a leg of the pallet; and a second motor operated braking device, located prior to the first mechanically operated braking device, which has a cam system defined by first and second retractable stops located in different positions.