195results about How to "Large rotation range" patented technology

A control device and corresponding method for controlling a transfer device on a harvesting machine are disclosed. The transfer device is arranged at a distance adjacent to a housing part so as to be rotatable about a vertical axis and, to alter the height setting, elevatable about a horizontal axis. The control device includes a rotation range limiting means that limits the maximum permitted pivot range of the transfer device as a function of the height setting of the transfer device.

The aim of the invention is to provide a large-load gapless precise hook hinge. The hook hinge overcomes the disadvantages of a traditional two-DOF and three-DOF (degree of freedom) rotary hinge, that is, a hook hinge structure which is used in a six-DOF vibration isolation and positioning platform and adopts an angular contact bearing pretightening mode to remove the bearing clearance and achieve the effects of large bearing capacity and high precision. The hook hinge consists of four parts: an upper rotation body, an upper node fork, a cross axle component and a lower node fork. The upper rotation body and the upper node fork are movably connected together to form a first rotational degree of freedom. The upper node fork and the cross axle are movably connected together to form a second rotational degree of freedom. The cross axle and the lower node fork are movably connected together to form a third rotational degree of freedom. The large-load gapless precise hook hinge has the advantages of a compact structure, strong bearing capacity, high precision, a large rotational range of the hinge, long service time, convenient maintenance, etc. The large-load gapless precise hook hinge is suitable for the connection of other precise mechanisms besides a six-rod parallel positioning platform.

Rotary-sprinkling sprinkler comprises: a body which has a water inlet end and a water outlet end forming a waterway there-between; a surface cover component rotatablely disposed on the water outlet end of the body, equipped with water spray nozzles in communication with the waterway; a waterpower driving unit disposed in the waterway, while connected with the surface cover component by a rotating shaft; the waterpower driving unit is driven by the water flow in the waterway to drive the surface cover component to rotate. The invention drives the whole surface cover to rotate by water flow, achieves the rotary sprinkling water; every water spray nozzle on the surface cover rotates around the center of the whole surface cover instead of its self-center, therefore, the rotation scope of the water flow is relatively larger.

A simple and compact loader having a sufficient strength with brackets fixed on a working vehicle. Lift arms are pivoted at one ends thereof to respective brackets so as to be vertically swung by respective lift arm cylinders. Attachments are vertically swingably supported on respective tip portions of the lift arms. Bucket links are connected to the respective attachments so as to transmit the telescopic action of bucket cylinders. Each of the bucket links is offset laterally from each of the lift arms. The middle portion of each of the lift arms is disposed above a straight line connecting both ends of the lift arm to each other, so as to ensure a space for arranging a steerable wheel under the lift arm.

A heavy load three-dimensional rotating table capable of balancing overturning moment comprises a load installing rotating table, an inverted-U-shaped supporting base, a U-shaped base, a balance connection rod, a counter weight slider, an orientation rotating barrel and a rotating table base, and mainly ZYZ Euler angle three-dimensional adjustment is achieved. The load installing rotating table and the inverted-U-shaped supporting base form an upper orientation axis Z1 axis; the inverted-U-shaped supporting base and the U-shaped base form a pitching axis Y axis; and the orientation rotating barrel and the rotating table base form a lower orientation axis Z2 axis. The Z1 axis and the Z2 axis can meet the requirement of whole circle rotation, and the pitching axis Y axis can achieve pitchingrotation in the large range. The pitching axis is provided with a counter weight device balancing the overturning moment so as to balance the overturning moment generated due to pitching, and therefore the driving torque of a pitching axis driving motor can be reduced. The device has the beneficial effects that the bearing capacity is large, a power-off anti-overturning function is achieved, andthe mechanical system reliability is high.

The invention provides a wrist of a robot and the surgical robot. The wrist of the robot comprises a substrate, a hooke joint structure, a first transmission mechanism, a second transmission mechanism and a driving mechanism. The hooke joint structure is arranged on the substrate, and used for fixing a surgical instrument. The driving mechanism drives the first transmission mechanism and the second transmission mechanism to move, and the first transmission mechanism and the second transmission mechanism drive the hooke joint structure to rotate at the first freedom degree and the second freedom degree respectively. At least one of the first transmission mechanism and the second transmission mechanism is a linear transmission mechanism and used for linearly driving the hooke joint structure to move. The rotation of each freedom degree is independently controlled to be driven by the first transmission mechanism and the second transmission mechanism. At least one of the first transmission mechanism and the second transmission mechanism is the linear transmission mechanism and used for linearly driving the hooke joint structure to move. Due to the fact that linear driving can be precisely controlled, control precision is high.

A rotary electric shaver including a substantially disc-shaped outer cutter 18 having hair introduction openings and held in the upper part of the shaver main body 50 housing therein a motor, and an inner cutter that, while elastically contacting the inner surface of the outer cutter 18, is rotationally driven by the motor; and the shaver further including an outer cutter frame 14A provided on the shaver main body 50, and a skin protection rim 16 that is interposed between the outer cutter frame 14A and the outer cutter 18 to hold the outer cutter 18 and is elastically provided so as to be depressible with respect to the outer cutter frame 14A.

A mainshaft head mechanism with parallel three shafts for performing multi-direction vertical and horizontal machining is composed of a fixed platform, threerotary sets distributed by 120 deg and connected to said fixed platform, three moving sets respectively linked to the rotay sets, three rod sets respectively linked to three moving sets, three spherical sets respectively linked to three rod sets, movable platform, and mainshaft unit installedon said movable platform. Said mainshaft unit can do longitudinal movement along Z axis and rotations around A axis and B axis.

The invention provides an automatic driving steering system. A vehicle body sensor arranged around a vehicle body is used to detect a surrounding environment; a calculation processing module is used to receive a detection signal of the vehicle body sensor, and calculate and output a steering signal. The system is provided with at least two wheels, which are steering wheels, in the same row, the steering wheels are connected to the vehicle body through a fixed frame, the bottom of the fixed frame is fixedly connected with an inner ring of a slewing bearing, an outer ring of the slewing bearingis provided with external teeth and is fixed to a wheel bracket, the wheel bracket is rotatably connected with the wheels, and the wheels are driven to move forward or backward by a hub motor; a steering actuator receives a steering signal from a calculation processing module, and can mesh with the external teeth on the outer ring of the slewing ring to drive the outer ring of the slewing ring torotate. The steering is performed by the teeth meshed with each other, so that a mechanical transmission structure is omitted; the steering of the vehicle is realized by the slewing bearing, so that the rotation of a larger angle can be realized.

The invention relates to a wind power plant, comprising a rotor that can be rotated about a vertical axis, said rotor between two horizontal bearing planes disposed at a distance on top of each other comprising a plurality of rotor blades, which are disposed distributed on a circumferential circle, can each be pivoted about a vertical pivot axis, and the pivot range of which is delimited on both sides by a stop. In such a wind power plant, an improvement in the energy yield, while simultaneously ensuring another operation, is enabled in that the width of the rotor blades is smaller than approximately ⅓ the radius of the circumferential circle.

The invention relates to a pivoting device, which comprises a bearing carrier, a ball joint, a plurality of locating pins and a spacing ring, wherein the bearing carrier is provided with a containing groove; the ball joint is arranged in the accommodation groove; the surface of the ball joint is provided with a plurality of locating holes; the locating pins are arranged on the bearing carrier and can slide towards or away from the ball joint; when the bearing carrier and the ball joint relatively rotate to a specific position, the locating pins are respectively corresponding to part of the locating holes; the spacing ring is arranged along the opening of the accommodation groove and around the locating pins; and when the bearing carrier and the joint relatively rotate to specific position, the spacing ring abuts against the locating pins, so that the locating pins are clamped in the corresponding locating holes.

The invention discloses an air channel assembly with a through-flow air wheel, and a tower fan provided with the air channel assembly. The through-flow air wheel is arranged inside the air channel assembly; an air channel air inlet and an air channel air outlet are formed in the air channel assembly; the radial outer edges of the air channel air outlet, the air channel air inlet and the air channel assembly are located on the same circumference face; an air outlet grille is arranged at the air channel air outlet; and the radial outer edge of the air outlet grille is located on the circumference face. In the air channel assembly with the through-flow air wheel, and the tower fan, the radial outer edge of the air outlet grille is located on the circumference face of the radial outer edge ofthe air channel assembly; the radius of the air outlet face of the air outlet grille is equal to the radius of an inner rotor of the tower fan, and therefore interference of the air outlet griller anda shell of the tower fan can be avoided during rotating of the inner rotor; and in this way, the rotating range of the inner rotor can be enlarged, the air-swept range is enlarged, and 360-degree airsupply can be achieved.

The invention discloses a microscope binocular stereo vision measurement device based on telecentric objectives. The device comprises a mounting fixing unit, a linear adjustment unit and image acquisition units. The mounting fixing unit comprises a support plate which is horizontally arranged and a mounting plate which is vertically arranged on the support plate. A three-axis displacement stage is arranged on the support plate. A tiny sample piece to be measured is placed on the three-axis displacement stage. The linear adjustment unit comprises a linear translation stage and a guide rail which is arranged on the linear translation stage. The linear translation stage is arranged on the mounting plate through a mounting bottom plate. Two image acquisition units are symmetrically arranged around the axis of the mounting plate. Each image acquisition unit comprises a telecentric objective, a CCD image sensor, a rotating platform and a slider. Each telecentric objective is connected with a CCD image sensor through a C interface. Each CCD image sensor is arranged on a rotating platform. Each rotating platform is arranged on the guide rail through a slider. The measurement device provided by the invention has the advantages of adjustable optical path angle, high measurement accuracy, good accuracy and the like.