21results about How to "Large output" patented technology

The utility model belongs to the technical field of manipulators, and discloses a high-efficiency transmission linear motor and a bionic finger, the high-efficiency transmission linear motor comprises: a driving motor, an output shaft of which is rotatably arranged; the input end of the reduction gearbox is connected with the output shaft of the driving motor; the ball screw module comprises a screw rod and a telescopic nut, the screw rod is connected with the output end of the reduction gearbox, the telescopic nut is of a sleeve structure, the screw rod is sleeved with the telescopic nut, the screw rod and the telescopic nut are in threaded fit and form a spiral groove containing balls, and the telescopic nut serves as the output end of the efficient transmission linear motor and can stretch out and draw back along the straight line. According to the high-efficiency transmission linear motor provided by the utility model, the ball screw module is adopted as a power conversion structure, so that the transmission efficiency is high, the bearing capacity is strong, and the service life is longer.

The utility model provides an auxiliary installation device, and relates to the technical field of agricultural appliances, the auxiliary installation device comprises a chassis, the top of the chassis is provided with a punching mechanism, the punching mechanism comprises a rotating disc rotatably installed on the top of the chassis, and one side of the rotating disc far away from the chassis is rotatably provided with a threaded rod; due to the fact that larger torque is provided through threaded mechanical connection, larger output force is generated through the same input force, threaded connection is achieved through a thread pair, the threaded connection is composed of an external thread and an internal thread, and when the two threads are screwed tightly, the threaded rod can be screwed tightly, and the threaded rod can be screwed tightly. Due to the inclined surface shape of the threads, a torque can be generated, the two parts are tightly connected together, the parts connected through the threads can bear larger pulling force or pushing force under the action of the torque, through the operation, the punching operation is more labor-saving, the punching work is convenient to carry out, and the punching depth requirement is met.

This utility model relates to the field of shape memory alloy actuator technology, and in particular to an ultra-thin actuator for driving in micro-spaces using shape memory alloy drive wires, with an ultra-thin actuator size ≤2mm. It is suitable for miniature locks or valves, and lightweight flow valves. It includes panel A, panel B, an actuator assembly, and a shape memory alloy drive wire assembly. Panels A and B are provided with fixing latch holes. The fixing latch hole of panel A is connected to the fixing latch hole of panel B via a connecting copper pin, forming a hollow sandwich structure. The actuator assembly is located within the hollow cavity of the hollow sandwich structure and is connected to the shape memory alloy drive wire assembly. The shape memory alloy drive wire assembly is electrically connected to a power source. The power source powers the shape memory alloy drive wire assembly, causing deformation that drives the actuator assembly to slide. Through multiple shape memory alloy drive wires and multi-stage actuator plates, the contraction and tension are progressively superimposed, improving the driving performance in micro-spaces and ultra-thin environments.

The utility model belongs to the technical field of robot feeding and discharging grippers, particularly relates to a buffering mechanism of a feeding and discharging gripper, and aims to solve the problem that a robot cannot judge whether the end face of a workpiece is attached to a clamping face of equipment or not due to manufacturing errors of the workpiece when the robot grips the workpiece and pushes the workpiece to the equipment. In order to solve the problem that when a robot clamps a workpiece, the robot moves towards equipment when the robot clamps the workpiece, according to the following scheme, the robot clamping device comprises two symmetrically-arranged fixing plates, a connecting rod fixedly installed between the two fixing plates and a guiding assembly located at one set of fixing plates; wherein a buffering air cylinder is fixedly installed at the center of one set of fixing plates, and jacking air cylinders are fixedly installed on the two sides of the buffering air cylinder. The guiding assembly is pushed through the buffering air cylinder and the jacking air cylinders, and the buffering air cylinder and the jacking air cylinders push the guiding assembly respectively; the compressed and incompressible states of the guide assembly in the feeding and discharging process of the robot are achieved, and therefore the safety of the robot and equipment is guaranteed.

Provided in the present disclosure is a clock receiving circuit. The clock receiving circuit comprises a common-mode voltage adjustment module, an amplitude amplification module and a level conversion module. The common-mode voltage adjustment module comprises an n-type signal conversion unit, a high-level n-type signal output end, a low-level n-type signal output end, a p-type signal conversion unit, a high-level p-type signal output end and a low-level p-type signal output end. The amplitude amplification module comprises a p-type current source transistor, an n-type current source transistor, a p-type transistor differential pair, an n-type transistor differential pair and a bias control unit, wherein two second ends of the p-type transistor differential pair are electrically connected to two first ends of the n-type transistor differential pair, respectively; and two second ends of the n-type transistor differential pair are electrically connected to a first electrode of the n-type current source transistor. The level conversion module is used for converting, into a CMOS level signal, a CML level signal which is output by the amplitude amplification circuit. Further provided in the present disclosure is an electronic device comprising the clock receiving circuit.

This invention discloses an electromagnet with redundant design, its usage method, and a circuit breaker. The electromagnet with redundant design includes a housing. A first moving iron core and a second moving iron core are movably disposed within the housing along its length. The first moving iron core has a through hole extending along the length of the housing. The second moving iron core is connected to an actuating shaft that moves synchronously with the first moving iron core and extends through the through hole to the outside of the first moving iron core and a first end plate. The housing contains a first coil assembly, a first stationary iron core, a second coil assembly, and a second stationary iron core. The first and second coil assemblies can be simultaneously energized to drive the first and second moving iron cores to move simultaneously. This invention fully realizes redundant design within a limited width space. The first and second moving iron cores can operate simultaneously or separately. When operating separately, safe redundancy is achieved; when operating simultaneously, a greater output force is provided, thus meeting the need for a greater tripping force.

The utility model provides a kind of full-automatic air-tightness detection equipment of multi-station copper pipe: including workbench and set on workbench's feeding mechanism, taking and placing mechanism and air-tightness detection mechanism;Air-tightness detection mechanism includes air-tightness detection seat, and air-tightness detection seat is equipped with and the accommodation groove that copper pipe shape is matched and top is open end, the top of air-tightness detection seat is open and is connected with sealing cover plate, and sealing cover plate is connected with air pressure sensor towards the end surface of accommodation groove, for detecting the air pressure in accommodation groove;Air-tightness detection seat is equipped with several sealing components corresponding with copper pipe port one to one, and sealing component is used to block corresponding copper pipe port;One of sealing components is equipped with the inflation passage that connects outside air source and copper pipe inner chamber, for inflating to copper pipe inner chamber;After being thus arranged, when the gas in copper pipe leaks, the pressure change in accommodation groove is more obvious, and the sealing property of copper pipe can be accurately detected, guarantee product quality.

The utility model discloses a humanoid robot based on pneumatic tendons, which comprises a skeleton, an abdomen system, a thoracolumbar fascia and trapezius muscle system, a lower limb system, a neck system and a shoulder system, and the neck system, the shoulder system, the abdomen system and the lower limb system are all mounted on the skeleton from top to bottom. The thoracolumbar fascia and trapezius muscle system is mounted on the skeleton. A plurality of groups of pneumatic tendons are used for driving the joint, so that the joint can move in multiple directions at the same time; the pneumatic tendon similar to the human muscle in shape is utilized, and the pneumatic tendon has the advantages of being larger in power / mass ratio, high in adaptability, large in output force and the like. The neck joint, the shoulder joint, the belly joint, the waist joint and the lower limb joint of the product respectively have three degrees of freedom, two degrees of freedom, two degrees of freedom, two degrees of freedom and six degrees of freedom, various actions of human joints can be vividly simulated, and the effect of each muscle in joint movement can be known.

The present invention discloses a honeycomb amplification type fiber pushing device and its working method, the device comprises a workbench, a manually adjustable micro-motion platform and a honeycomb displacement output mechanism; the manually adjustable micro-motion platform is fixed on the workbench, and the honeycomb displacement output mechanism is fixed on the front side of the manually adjustable micro-motion platform; the honeycomb displacement output mechanism comprises a frame-type honeycomb amplification mechanism, a pin and a plurality of amplification components; the amplification components are arranged on the frame-type honeycomb amplification mechanism; the amplification components comprise a bridge-type amplification mechanism, a piezoelectric ceramic group, a piezoelectric ceramic positive input wiring and a piezoelectric ceramic negative input wiring; the fiber glass sheet to be detected is fixed on the workbench and is located below the pin; by inputting a signal to the piezoelectric ceramic group, the piezoelectric ceramic group is stretched and a displacement is output, the displacement is amplified by the bridge-type amplification mechanism, and the pin moves downward accordingly to push out a single fiber of the fiber glass sheet. The present invention has the advantages of simple device structure, fast response speed, high positioning accuracy, etc.

This application relates to the field of steering technology, providing a lead screw drive device and a rack-and-pinion power steering system. The lead screw drive device includes: a lead screw shaft; two sets of ball nut assemblies spaced apart on the lead screw shaft; a dual-output motor with two output shafts coaxially connected and synchronously driven by the rotor of the dual-output motor; and two sets of transmission mechanisms, with the two output shafts respectively connected to the nuts of the two sets of ball nut assemblies via the two sets of transmission mechanisms. The lead screw drive device of this application utilizes a redundant design where the dual-output motor drives the two sets of ball nut assemblies mounted on the lead screw shaft through two sets of transmission mechanisms. This simplified and stable structure achieves reliable and efficient driving of the lead screw shaft. The lead screw drive device of this application can be applied to rack-and-pinion power steering systems, effectively providing steering assistance through a simplified and stable redundant design, thereby improving the safety and reliability of the steering system.

The invention relates to an emergency brake separating device of a high-voltage switch cabinet, which belongs to the technical field of high-voltage switch cabinets, and comprises a fixing mechanism used for being fixed on a cabinet door of the switch cabinet; the ejector rod mechanism is fixed on the fixing mechanism and is used for abutting against a switch cabinet emergency opening button; the driving mechanism is used for driving the ejector rod mechanism to act; the driving mechanism is fixed on the distance adjusting mechanism, and the distance adjusting mechanism is connected with the fixing mechanism in a sliding mode; the positioning mechanism is used for positioning the position of the fixing mechanism; and the control mechanism is electrically connected with the driving mechanism and used for controlling the driving mechanism to act. The device is provided with the push rod mechanism, and the push rod mechanism can accurately abut against a switch cabinet emergency opening button, thereby achieving the quick opening. The problems of low efficiency, complex operation and the like in the emergency opening operation of the high-voltage switch cabinet are effectively solved.

This invention provides a hydraulically driven artificial muscle robotic arm module and a modular robotic arm. The robotic arm module includes joint links, a root muscle connector, a hydraulically driven artificial muscle, joint connectors, end muscle connectors, and tension springs. The joint links include four links. The joint connectors include a joint shaft, which is mounted on the first link assembly and the second link assembly. The root muscle connector includes a first root connecting block, a second root connecting block, a root support block, a connecting shaft, a root muscle fastening stud, and a root muscle fastening nut. The end muscle connector includes a first end connecting block, a long connecting shaft, an end support block, a second end connecting block, an end muscle fastening stud, and a second end fastening nut. The technical solution of this invention has significant advantages such as high modularity, compact structure, simple control, large joint torque output, and flexible load bearing.

The invention discloses a piezoelectric stack displacement amplification mechanism. According to the piezoelectric stack displacement amplification mechanism, two-stage displacement amplification is carried out through the L-shaped first-stage amplification mechanism and the half-bridge second-stage amplification mechanism, and the large amplification ratio is achieved. On the premise that the large amplification ratio is achieved, the L-shaped first-stage amplification mechanism is designed to be two L-shaped arms which are symmetrically arranged, meanwhile, the half-bridge second-stage amplification mechanism comprises two half-bridge structures which are symmetrically arranged, the two stages of amplification mechanisms are symmetrically arranged, and the first-stage amplification mechanism is of an L-shaped structure, so that stress cannot be concentrated on piezoelectric ceramics; the stress is reduced as much as possible, the working stability is improved, the piezoelectric ceramic is well protected, and the service life is long.

The invention discloses an assembly mechanism for a positioning pad at the upper end of a shock absorber piston rod, comprising a threaded positioning mechanism connected to the shock absorber piston rod, and also comprising a frame, a fixing mechanism, a lifting mechanism and a limiting mechanism; the fixing mechanism is arranged below the frame and is used to fix the shock absorber outer cylinder; the lifting mechanism is arranged on the frame above the fixing mechanism and is used to drive the shock absorber piston rod to rise and fall in a vertical direction; the limiting mechanism is arranged on the lifting mechanism and is used to fix the positioning pad; the lifting mechanism comprises a top plate and a bottom plate arranged below the top plate, the top plate and the bottom plate are connected by a guide column, and the top plate is connected to the frame; the assembly mechanism of the invention only requires one person to install the shock absorber on the fixing mechanism, and subsequent work is fully automated without manual operation, thereby reducing the labor intensity of workers, improving work efficiency, having high safety, high degree of automation, and simple structure and convenient operation.

The present invention discloses a pneumatically driven micro-gripper, comprising: a base; an airbag mechanism, the airbag mechanism is arranged on the base and is connected with the base, the airbag mechanism comprises at least one airbag; a clamping mechanism, the clamping mechanism comprises two clamping arms relatively arranged on the base, the airbag mechanism is located between the two clamping arms, the two clamping arms are respectively connected to the two opposite outer side walls of the airbag mechanism, and when the airbag mechanism is inflated or deflated, the airbag mechanism drives the two clamping arms to open or close. The pneumatically driven micro-gripper of the present invention utilizes high-precision micro-nano 3D printing technology, and adopts pneumatic expansion of the airbag to drive the clamping arms connected to both sides of the airbag to open, and has the advantages of simple, compact and miniaturized structure, large output force, high power density, large opening and closing amount, and the opening and closing amount resolution can reach sub-micron; it adopts pneumatic drive, has good applicability to biological environments and can be used in liquid environments, realizing fine operation of biological microstructures.

The present invention belongs to the technical field of active vibration reduction equipment for aerial remote sensing, and discloses an adaptive active vibration reduction system, method and application of an aerial remote sensing system. The system comprises: a base is fixedly connected to a load through an upper plane, and a lower plane is fixedly connected to a vibration source, and the vibration frequency of the vibration source to the load is reduced through relative micro-displacement of the upper plane and the lower plane; a micro-displacement detection system is installed on the base, and is used to detect the displacement states of the upper plane and the lower plane in real time respectively; a controller is used to receive the detection signal of the micro-displacement detection system, and send a control instruction to the power component after analysis and processing; the power component is used to output a waveform with the same frequency and opposite acceleration direction as the vibration source according to the control instruction of the controller, and perform relative movement of the upper plane and the lower plane of the base 1 to reduce the vibration frequency of the vibration source to the load. The purpose of the present invention is to reduce the influence of micro-vibration on photoelectric instruments, accurately suppress micro-vibration, and improve system accuracy.

This application discloses a small inertial exciter, which includes a movable part, a fixed connection part, and a support part. The fixed connection part is located above the movable part and is connected to it via the support part. The support part is equipped with a coil, the fixed connection part is equipped with a magnet, and the movable part is equipped with a spring. The coil moves under the action of current, causing the spring to move, and the displacement is transmitted to the outside through the inner and outer studs of the fixed connection part. This small inertial exciter can output a large inertial force at low and low-to-medium frequencies.

The present application relates to a kind of multistage oil cylinder, belong to aerospace technology field, solve the problem that the existing multistage oil cylinder cannot realize sustained maximum output force under the limited diameter space size.The present application includes primary oil cylinder, secondary oil cylinder and connecting piece, primary oil cylinder and secondary oil cylinder are connected in series by connecting piece, thereby reducing the radial diameter size of the multistage oil cylinder;One end of primary oil cylinder is fixedly connected with static guide rail, and the other end is fixedly connected with primary load through connecting piece, so that primary oil cylinder can drive primary load to act;One end of secondary oil cylinder is fixedly connected with primary load through connecting piece, and the other end is fixedly connected with secondary load, so that secondary oil cylinder can drive secondary load to act.The present application reduces the radial diameter of multistage oil cylinder, so that multistage oil cylinder can sustain maximum output force under the limited diameter space size.

The utility model relates to low wind resistance ship fire -resistant damper guide vane belongs to fire -resistant damper technical field, including vane main part, set up in the damper main body of vane main part outside and can detachably connect in vane main part outside's apron, the inside of vane main part is provided with the dynamic sealing structure extending to its inside, the inside of vane main part is provided with the transmission structure for and dynamic sealing structure cooperation uses. The low wind resistance ship fire -resistant damper guide vane, by abutting plate sliding under external force, extrude porous sponge block by transmission structure, make fire -retardant agent flow from overflow hole, form fire -retardant liquid membrane between vane main part and damper main body, prevent flame and high -temperature gas spread, through the horizontal movement of transmission block is converted into the vertical movement of extrusion plate through the conversion of gyro wheel and inclined transmission groove, realize big output force with small input force, ensure that fire -retardant agent flows smoothly, improve fire -resistant performance and security.

The utility model discloses a shock absorber reverse force detection and total length measurement integrated device which comprises a base. A mounting frame is arranged on the base, and a supporting plate and a workbench are arranged on the mounting frame; a workpiece clamping device and a detection mechanism are arranged on the workbench, and the workpiece clamping device is used for clamping a piston rod of the shock absorber placed on the supporting plate; the detection mechanism comprises a driving device A, a detection assembly and a mounting plate; the driving device A is fixed on the mounting plate and is used for driving the detection assembly to lift; the detection assembly comprises a bracket, and a displacement sensor and a pressure sensor which are arranged on the bracket; a PLC control box is arranged on the base, and the A driving device, the displacement sensor and the pressure sensor are electrically connected with the PLC control box. According to the shock absorber reverse force detection and total length measurement integrated device, through a specific structure, two work of shock absorber reverse force detection and shock absorber total length measurement can be completed at the same time, and the shock absorber reverse force detection and total length measurement integrated device has the advantages of being simple in structure and easy to operate.

The present invention discloses a space truss based on piezoelectric vibration suppression and a working method thereof. The space truss comprises 4N vibration suppression rods and N+1 connection frames; the connection frame is in the shape of a square frame; the vibration suppression rod comprises a preload beam, a support beam, a threaded rod, a positioning rod, a piezoelectric actuation module and a piezoelectric sensor; the threaded blind hole on the preload beam is threadedly connected to the threaded rod, and the positioning blind hole and the positioning rod are clearance-matched, so that the preload beam and the support beam press the piezoelectric actuation module; the N+1 connection frames are coaxially arranged, and two adjacent connection frames are connected by four vibration suppression rods, and the two ends of the four vibration suppression rods are respectively and vertically fixedly connected to the four corners of the two connection frames in a one-to-one correspondence. When working, the piezoelectric actuation module is controlled to generate vibrations that are consistent in phase with the disturbed vibration of the space truss and in the opposite direction to achieve active vibration suppression. The present invention can suppress vibrations of multiple modes of the space truss, is not limited by the order of the vibration mode, is simple to operate, has strong reliability, has a wide range of applications, and has good application prospects.