284results about How to "Good follow-up" patented technology

The invention discloses an assisting exoskeleton robot. The robot includes an exoskeleton waist hip part, exoskeleton leg knee parts and exoskeleton foot parts all of which are connected with one another in sequence; each hip joint is provided with a spring cam mechanism with a certain degree of freedom for inward and outward stretching, the human hip joints can flexibly and smoothly move within acertain range and can recover to original positions when no external force is performed on the joints, a support-phase damping structure in series connection with each thigh casing pipe end enables an exoskeleton with a load to buffer rigid impact caused between exoskeleton legs and the ground by the inertia of the load when the feet of the human body touch the ground during walking, and therefore an overall assisting exoskeleton mechanism is dynamically protected; an elastic torsion block is connected to each shank end, the torsion degree of freedom is increased, and the exoskeleton legs canrotate along with the inward and outward rotation of the human legs; the flexibility and comfort when the a user wears the exoskeleton are improved, correspondingly the exoskeleton with the load canbuffer rigid impact caused between the exoskeleton legs and the ground by the inertia of the load every time the feet of the human body touch the ground during walking, the overall assisting exoskeleton mechanism is dynamically protected, and the comfort of a wearer is improved.

A plasma treatment method comprising exhausting a process chamber so as to decompress the process chamber, mounting a wafer on a suscepter, supplying a process gas to the wafer through a shower electrode, applying high frequency power, which has a first frequency f1 lower than an inherent lower ion transit frequencies of the process gas, to the suscepter, and applying high frequency power, which has a second frequency f2 higher than an inherent upper ion transit frequencies of the process gas, whereby a plasma is generated in the process chamber and activated species influence the wafer.

The invention relates to a shock absorber for energy recovery by converting mechanical energy into electric energy and a recovery method thereof. The shock absorber comprises an upper box body and a lower box body. The middle of the top of the lower box body is provided with a rolling ball screw pair comprising a nut, a screw rod and a ball. The nut is fixedly arranged at the top of the lower box body. The screw rod and the ball are arranged in the nut. The top of the screw rod is provided with two overrunning clutches arranged in opposite directions. Central gears sleeve the outer side walls of the two overrunning clutches. The upper portion in the upper box body is provided with an electric generator, an input end of which is provided with an input gear. The lower portion in the upper box body is provided with an outer-ring gear, in which three internal gear rings are arranged at intervals. An internal gear ring at the top is occluded with the input gear. An internal gear ring in the middle is occluded with a central gear at the top. The shock absorber for energy recovery by converting mechanical energy into electric energy enables the electric generator to rotate for generating electricity along one direction, thereby enhancing utilization efficiency of energy and prolonging service lifetime of the electric generator.

The invention provides a single-machine multi-drive and multi-winding motor system, consisting of a parallel multi-winding motor and a driver, wherein a plurality of sets of mutually-independent windings are arranged on a stator in the parallel multi-winding motor in parallel; the driver comprises multi-path parallel driving units, multi-path parallel output units and a main control unit; the multi-path parallel driving units are used for generating motor driving signals corresponding to motor windings in a one-by-one manner; the multi-path parallel output units are used for monitoring the working state of the corresponding windings and transmitting the driving signals generated by the multi-path parallel driving units to the corresponding motor windings; the main control unit is used for acquiring and analyzing working state monitoring signals of all the windings and the multi-path parallel driving units, coordinating and controlling signal output of all the parallel driving units according to the monitoring signals and realizing parallel driving of different windings. In the single-machine multi-drive and multi-winding motor system, the problem that when a certain winding or driving unit in the existing motor system fails, other windings or driving units cannot work completely is overcome, so that the reliability of the motor is improved. The single-machine multi-drive and multi-winding motor system has the advantages of simple structure, high reliability and fast response and the like.

The present invention discloses a stressless space follower positioning equipment. It is characterized by that it has a base seat, the upper portion of said base seat is a cylindrical hollow cavity, the lower bottom surface of said hollow cavity is equipped with a plate-shaped heat-insulating layer, the inner wall of the cylindrical hollow cavity is equipped with a ring-shaped heat-insulating layer, in the heat-insulating layer interior a positioning sleeve is set, in the exterior of positioning sleeve an electric heater or electromagnetic coil is fixed, in the interior of said positioning sleeve a supporting bar is set, between the interior of positioning sleeve and supporting bar low-melting point metal or magnetorheologic fluid is filled, the supporting bar and bottom portion of said positioning sleeve are equipped with supporting spring respectively, in the upper portion of said supporting bar a heat-insulating plate and a supporting flange are fixed, and in the upper portion of said base seat an end cover is mounted.

The invention relates to a hydraulic combined oscillating floater wave energy generation device. The hydraulic combined oscillating float wave energy generation device comprises a power generation system and a fixed system. The fixed system comprises a floating box and a fixed frame, wherein the fixed frame has a cube structure, and is fixedly connected with the top of the floating box; a cross beam is arranged on the top of the fixed frame; and quadrangular upright columns are respectively arranged at four corners on the side surface of the fixed frame. The power generation system includes a floater, an energy conversion device and an energy output device, wherein the floater is sheathed on the upright columns of the fixed frame; four identical guide devices for limiting horizontal movement of the floater are respectively arranged on the top and the bottom of the floater; the energy conversion device includes a mixing tank, a hydraulic motor, and four groups of identical hydraulic transmission mechanisms respectively arranged on the four upright columns at four corners on the side surface of the fixed frame; the mixing tank and the hydraulic motor are arranged on the crossbeam of the fixed frame; and the hydraulic transmission mechanism includes a hydraulic cylinder, a water inlet pipe, and water transmission pipes (A and B). The hydraulic combined oscillating floater wave energy generation device provided by the invention has the advantages of high energy conversion efficiency, high reliability, low construction cost, stable power output, and wide application.

A slag-gathering and insulating covering agent able to remove S and P from molten steel or iron is prepared from M2S sand, slag, pearlite powdered coal ash, zeolite, graphite and the powder 'Guilin No.one'. Its advantages are high effect to remove S and P and shield light, low temp drop, and no pollution to molten steel or iron.

In a die-cushion device of a press machine a controller controls an opening degree of a proportional flow-rate control valve to an appropriate opening degree in order to control the flow rate flowing out of a lower chamber of a hydraulic cylinder supporting a cushion pad before a slide collides against the cushion pad using a die-cushion pressure command commanded from a commander in advance and a slide speed signal inputted from a slide speed detector. By this, generation of a surge pressure when a slide collides against the cushion pad at a high speed is restricted.

It is an object to provide an apparatus for inspecting a circuit board and a method of inspecting a circuit board which can well absorb a variation in a height of an electrode to be inspected in a circuit board to be inspected and can maintain an insulating property between adjacent inspection electrodes even if the electrode to be inspected is arranged at a fine pitch. An intermediate holding plate 36 is provided in a relay pin unit 31, and a first abutment support position 38A of a first support pin 33 disposed between a first insulating plate 34 and the intermediate holding plate 36 with respect to the intermediate holding plate and a second abutment support position 38B of a second support pin 37 disposed between a second insulating plate 35 and the intermediate holding plate 36 with respect to the intermediate holding plate 36 are placed differently from each other over an intermediate holding plate projecting surface which is projected in a direction of a thickness of the intermediate holding plate 36. Moreover, a relay board 29 having a plurality of rigid conductor electrodes penetrating through the board which is held to be movable in a direction of a thickness of the board is disposed on the side of a circuit board to be inspected in a board 23 for pitch conversion, and furthermore, thin anisotropically conductive sheets 22 and 22 of a dispersion type are provided on both sides thereof and an electrical connection of the board 23 for pitch conversion and a circuit board 1 to be inspected is relayed by means of the relay board 29 through the anisotropically conductive sheets 22 and 22 of a dispersion type.

The invention discloses a two-shaped three-stage deceleration middle torque transmission system. The two-shaped three-stage deceleration middle torque transmission system comprises a stator, a rotor, a motor shaft, a torque sensing device and a gear disc, wherein the torque sensing device comprises a middle shaft, an elastic connector, a shaft sleeve and a sensor; the motor shaft is provided with a first-stage transmission gear; the motor shaft is provided with a second-stage transmission gear, a first toothless flying wheel and a third-stage input gear which are concentrically fixed through bearings in a supporting way; the shaft sleeve is respectively provided with a duplicate gear and a third-stage output gear through bearings in the supporting way; the duplicate gear is respectively meshed with the first-stage transmission gear and the second-stage transmission gear; the third-stage output gear is meshed with the third-stage input gear; an output flange of the outer side end of the third-stage output gear is connected with the gear disc together through a second toothless flying wheel to form an output end; the output end of the elastic connector is rotationally connected with the second toothless flying wheel through a small flange so as to realize the synchronization of the elastic connector and the gear disc. According to the two-shaped three-stage deceleration middle torque transmission system disclosed by the invention, a two-shaft three-stage deceleration design is adopted, the deceleration ratio is high, the size is small, and the assembly is convenient.

The invention discloses a high-speed high-precision servo linear motor sliding table which comprises a sliding table base, a lower sliding table is slidably connected with the sliding table base, and an upper sliding table is slidably connected to the lower sliding table; the upper sliding table and the lower sliding table respectively slide along the directions of X-axis and Y-axis which form an angle of 90 DEG, and the sliding table base, the upper sliding table and the lower sliding table are cast from cast iron. The invention has simple structure, wide speed range, good speed characteristics, high positioning precision, low noise and less wear, and can completely satisfy the requirements of numerical control machine development; compared with the traditional sliding table, the servo linear motor sliding table is more economical and practical; and the servo linear motor sliding table can be applied to high-precision feeding mechanisms of numerical control turning machines, and can also be applied to precision sliding tables of numerically controlled milling machines and processing centers.