35results about How to "Guaranteed range of motion" patented technology

The invention relates to a single bolt driving dual oscillating milling head. The first controllable generator fixes with the first cylinder gear through the first coupler, the second cylinder gear fixes with the milling head sleeve top cover, top cover of the milling head sleeve and the first pair of side cover connects with the milling head sleeve respectively, the second and the third controllable generator installing on the first and second bracket respectively, the first and the second bracket fixed inside the milling head sleeve, six pairs of linking bracket and four pairs of linkages symmetrically set at both sides of the main shaft of the milling head. The first and second drive shaft fix with the second and third controllable generator, six pairs of linking bracket and four pairs of linkages form into eight rotating assistance, the second, the third, the fifth and the sixth pairs of linking bracket connect to the milling head sleeve through rotating assistance, with the third pair and the sixth pair of linking bracket and the milling head main shaft. It solves the issue of big size, low rigidity and poor bearing ability of the dual oscillating milling head.

The invention discloses an adaptive multi-dimensional and multi-stage damping device, which makes up for the defects of traditional single method control, organically combines passive control and semi-active control to form multi-level control, which can not only make up for passive control in terms of strength and frequency bandwidth In addition, it can ensure the adaptability and adjustability of the control, and achieve a good damping control effect under the premise of saving energy input. The technical solution is: including a work box, a sliding mechanism is installed on the top of the work box, and the sliding mechanism can move along the work box; the sliding mechanism is connected to the inertial mass body through a telescopic column placed inside the work box; The inner pick-up plate, the bottom of the inner pick-up plate is connected with several pressure springs; the side wall of the working box is lower than the position of the inner pick-up plate, and piezoelectric ceramics are laid; the working box has multiple inclined surfaces, and the inclined surfaces are equipped with multiple layers that can A rotating D-shaped roller; under the action of an external force, the inertial mass body can move along the D-shaped roller.

The invention relates to a constant-stable offshore nuclear power platform. A fixed ballast tank is arranged at the bottom of the nuclear power platform. After the nuclear power platform is in place, solid ballast is poured into the fixed ballast tank so that the center of gravity of the nuclear power platform is located below the buoyancy center. The upper part of the fixed ballast tank is connected to the bottom of the buoyant tank through trusses and braces, and the upper periphery of the buoyant tank is connected to the bottom of the deck through several columns, which are used as the main support structure and stability maintenance structure of the nuclear power platform; the middle of the top of the buoyant tank is connected to the bottom of the deck There is a cylindrical nuclear island cabin between the decks, the upper end of the nuclear island cabin runs through the deck, and the nuclear island cabin hatch cover and anti-collision protection structure are set on the deck; the nuclear island cabin contains small nuclear reactor containment and internal circuit facilities After the nuclear power platform is in place, the sea level is higher than the immersion height of the nuclear reactor containment. The invention has constant stability, good safety, simple structure and low engineering cost, and can provide stable, reliable and clean energy for the development of offshore oil and gas fields, sea islands and shore users.

The invention provides an optical element driving mechanism. The optical element driving mechanism comprises a fixed part, a movable part and a driving assembly. The movable part is connected with an optical element comprising an optical axis. The movable part can move relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part.

The invention provides an optical element driving mechanism. The optical element driving mechanism comprises a fixed part, a movable part and a driving assembly. The movable part is connected with an optical element comprising an optical axis. The movable part can move relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part.

The invention relates to a single bolt driving dual oscillating milling head. The No.1 controllable generator fixed with No.1 cylinder gear through No.1 coupler, No.2 cylinder gear fixed with the cover of the milling head cover, whose top cover and a pair of milling sleeve side cover fixed with the milling head sleeve, No.2 controllable generator installed on the bracket that fastened inside the milling head sleeve. Three pairs of linking brackets and two pairs of linkages set symmetrically at both sides of the electric main shaft of the milling head. The drive shaft fixes with the second controllable generator through the second coupler and fixed with the first pair of linking bracket. The first pair of linkage and the first pair of linking bracket or the second pair of linking bracket, the second pair of linkage and the second pair of linking bracket or the second pair of linkage and the third pair of linking bracket to form into rotating assistance respectively. The second and the third linking bracket connect to the milling head sleeve respectively, with the third linking bracket fixed with the main shaft of the milling head. It solves the issue of big size, low rigidity and poor bearing ability of the dual oscillating milling head.

The invention discloses a sensor for bionic skin, a coil array, a positioning method and a touch collector. An inductance coil array structure for the bionic skin comprises an ADC analog-to-digital conversion circuit and multiple groups of magnetoelectric sensors; each group of magnetoelectric sensors are correspondingly accessed to various input ends of the ADC analog-to-digital conversion circuits in a parallel way, and the distance between each group of magnetoelectric sensors is equal; each group of magnetoelectric sensors comprise multiple magnetoelectric sensors, and multiple magnetoelectric sensors in the group are connected into the same corresponding loop in parallel; the magnetoelectric sensor adopts the sensor for the bionic skin disclosed by the invention; furthermore, the expansion splicing can be performed on the basis of a contact point occurrence location positioning method for bionic skin, various magnetoelectric sensor parallel loops in each group can perform parallelconnection extension to the Y axle; and the splicing of the whole positioning circuit on the plane is realized by extending the parallel loop on the x axle by adding the input end connecting pin of the ADC analog-to-digital conversion circuit.

The invention discloses a stair-climbing logistics vehicle with tail end lifting capability and a stair-climbing method thereof. The invention relates to a stair-climbing logistics vehicle with the ability to lift the rear end, comprising a vehicle frame, a stair-climbing power module and a rear wheel-assisted foot-lifting module. The rear wheel lifting foot module is installed at the rear end of the vehicle frame. The stair-climbing power module is installed on the head end of the vehicle frame. The stair-climbing power module includes two triangular gear trains respectively arranged on both sides of the head end of the vehicle frame. Three front wheels arranged in an equilateral triangle are arranged in the triangular gear train. The rear wheel-assisted foot-lifting module includes a fixed shaft, a foot-lifting drive assembly and an outer support assembly. Described fixed axle is fixed on the tail end of vehicle frame. The outer support assembly includes a crank case, a connecting rod, an outer support gear set, a support rod and a slide rail. The rear wheel lift-assisted foot module in the present invention can support the rear end of the logistics vehicle, thereby reducing the inclination angle of the logistics vehicle when the logistics vehicle encounters obstacles on the steps, and improving the climbing ability of the logistics vehicle.

A flare-type tensile legs floating wind turbine base; the floating wind turbine base comprises a top support platform (9) for supporting a tower frame (3), blades (1) and a wind turbine set (2); a bottom support structure (7) connecting to a plurality of tensile legs (5); at least three hollow upright columns (6) connected between the top support platform (9) and the bottom support structure (7), and arranged around the vertical central line of the floating wind turbine base, each upright column (6) inclining outward from the lower end to the upper end relative to the vertical central line of the floating wind turbine base; and a ballast adjustment system disposed in the upright columns (6) and / or the bottom support structure (7). Also disclosed are an offshore wind turbine having the floating wind turbine base and a construction method.

The invention provides a wearable wrist rehabilitation training flexible drive external skeleton, relates to a wrist training flexible transmission external skeleton, and aims to solve the problems that human-machine movement is uncoordinated, wear is discomfort, the motion range of joint movement is reduced, and dislocation compensation is needed for the external skeleton joint in the prior art because gear pair transmission or wire rope transmission mechanism is adopted as the transmission mode, the radial size of the external skeleton is larger, the angle of a parallelogram linkage is smaller and interferes with human arm, the motion range of spin is also decreased, and the external skeleton joint is low in compatibility with human joint. The external skeleton includes spin wire rope transmission components, telescopic cross universal coupling drive components, a forearm spin ring, a thin-walled bearing, a bearing sleeve assembly, a forearm fastening piece, a flexion and extension wire rope transmission assembly, a ulnar and radial offset transmission assembly, a coordinating movement mechanism support, a coordinating motion mechanism assembly, a human hand fixed assembly, a forearm first support frame and a forearm second support. The invention belongs to the field of robots.

The invention relates to a transfer transport vehicle for automatic garbage sorting boxes, which includes a carriage, a moving guide rail assembly, a mechanical arm and a fixture. The mechanical arm is installed on the moving guide rail assembly, and the moving guide rail assembly is installed in the carriage to drive The mechanical arm moves along a straight line, and the clamp includes a bracket connected to the mechanical arm, a driving cylinder and claws respectively installed on the bracket and connected to each other, and the claws cooperate with the groove on the top of the garbage sorting box to grasp When taking out the garbage bin, the claws are set in the groove on the top of the garbage sorting bin. Compared with the prior art, the present invention has the advantages of improving the working environment of sanitation workers, improving work efficiency, and being safe and reliable.

The invention relates to a wearable upper limb rehabilitation training device, belonging to the technical field of rehabilitation robots. The back assembly of the device, the upper and lower hem assembly of the shoulder joint, the inner and outer swing assembly of the shoulder joint, the flexion and extension assembly of the elbow joint, and the flexion and extension assembly of the wrist joint. The right end of the back bracket in the back assembly is connected to the rotating shaft of the shoulder joint upper and lower assembly; the shoulder joint upper and lower assembly is fixedly connected to the shoulder joint inner and outer swing assembly; the shoulder joint inner and outer swing assembly is adjustable and rotationally connected to the elbow joint flexion and extension assembly; The joint flexion and extension components are adjustable and rotationally connected with the wrist joint flexion and extension components, and each joint is driven by pneumatic artificial muscles. The present invention has the characteristics of compact overall structure, lightness and wearability, adjustable arm length, smooth and smooth movement, etc., and can improve the effect of rehabilitation training.