32results about How to "Structure sensitive" patented technology

The invention discloses a rotary type feeding and discharging device capable of achieving three-axis transfer. The device comprises a machine frame, a XYZ-triaxial driving device, a clamping device and a rotating device. The fixed end of the rotating device is connected to the XYZ-triaxial driving device and driven by the XYZ-triaxial driving device to do rectilinear motion in the X-axis direction, the Y-axis direction and the Z-axis direction. The clamping device is connected to the rotating end of the rotating device and driven by the rotating device to rotate. The clamping device is composed of a plurality of clamping assemblies which are arranged at intervals through separation devices. Each clamping assembly comprises a clamping air cylinder, two clamping parts and a connection base, wherein the fixed end of the clamping air cylinder is connected to the connection base, the two clamping parts are symmetrically connected to the movement end of the clamping air cylinder, and clamping motion is completed through drive and control of the clamping air cylinder. The rotary type feeding and discharging device capable of achieving three-axis transfer can achieve multi-angle transportation and steering, and has the advantages of being high in transfer speed, good in controllability, high in clamping precision and efficiency and good in flexibility and continuity.

The invention discloses an exoskeleton power assisting device. The exoskeleton power assisting device comprises a body wearer, a control system and two executing devices. The two executing devices are connected through the body wearer. The executing devices comprise pulling cables, power parts, rotary joints and supporting components. The power parts comprise machine frames and power cylinders. The rotary joints comprise upper joint parts and lower joint parts. The upper portions of the upper joint parts are fixedly connected with the machine frames, and the lower portions of the upper joint parts are hinged to the upper portions of the lower joint parts. The control system comprises a controller, eletropneumatic proportional valves, a triggering sensor, and angle sensors. The eletropneumatic proportional valves are connected with the power cylinders. The triggering sensor is connected with the controller, and the angle sensors are arranged on the rotary joints and connected with the controller, and the controller is connected with the eletropneumatic proportional valves. The exoskeleton power assisting device has the advantages of being good in human-machine interaction, ingenious and portable in structure, rapid in response, and easy to operate.

The invention discloses a water hammer air valve and a water hammer gas discharging method during pipeline use. The water hammer air valve comprises a valve body, a bonnet and a protective cover, wherein the bonnet is provided with an opening, the protective cover is disposed on the opening, the valve body is provided with a valve opening for being communicated with a pipeline, a high-speed gas feeding and discharging device which is used for discharging gases stayed in the pipeline during water filling to the outside and shutting down the valve after pipeline water filling is completed is disposed in the inner cavity of the valve body, the output end of the high-speed gas feeding and discharging device is communicated with the outside through the opening of the bonnet, and the valve opening of the valve body is communicated with a bottom gas discharging throttling device for limiting the gas displacement of the pipeline to the inner cavity of the valve body; a trace gas discharging device for discharging mixed, residual and / or precipitated gases in the pipeline to the outside through the opening of the bonnet after the high-speed gas feeding and discharging device shuts down the valve is further disposed in the high-speed gas feeding and discharging device. By the water hammer air valve, water hammer reduction and pipeline safety protection are achieved, blowing blocking during high-speed gas discharging is avoided, and valve closing water hammer is eliminated.

The invention discloses a wearable exoskeleton power assisting device. The wearable exoskeleton power assisting device comprises a body wearing piece and two executive devices. The two executive devices are connected through the body wearing piece. Each executive device comprises a haulage cable, a power device, a rotary joint and a fulcrum part. Each power device comprises a rack and a power unit. Each rotary joint comprises an upper joint part and a lower joint part. The upper portion of each upper joint part is fixedly connected with the corresponding rack, and the lower portion of each upper joint part is hinged to the upper portion of the corresponding lower joint part. Guide wheels and auxiliary reels are arranged in the upper joint parts, and the auxiliary reels are arranged at the hinged positions of the upper joint parts and the lower joint parts. Tensioning wheels and main winding wheels are arranged in the lower joint parts, and the fulcrum parts are fixed to the corresponding main winding wheels. The two ends of each haulage cable are fixed to the corresponding power unit and the main winding wheel separately. The middle parts of the haulage cables sequentially wind across the guide wheels, the auxiliary reels and the tensioning wheels from top to bottom. The wearable exoskeleton power assisting device has the advantages of being good in man-machine interaction, ingenious and portable in structure, sensitive in reaction and easy to operate.

The invention relates to a police antiriot automatic steel rim comprising a handle portion and a steel fork body. The steel fork body is in the shape of a hollow tube and includes a pair of forked outer tubes diverged into two parts. A fixing pin is arranged inside the tubes between the pair of the forked outer tubes. Inner tubes are arranged in the two forked outer tubes, the shapes of the inner tubes are matched with the shape of the forked outer tubes, and the inner tubes can be telescoped relatively to the forked outer tubes. A spring used for ejecting the inner tubes out of the outer tubes is arranged between the inner tubes and the fixing pin. Limit guiding devices used for controlling movements of the inner tubes are arranged at the end of the forked outer tubes. An inner tube locking device is arranged on the outer side wall of the forked outer tubes close to the fixing pin. The police antiriot automatic steel rim is simple in structure, once any part of the body of a prisoner or a thug touches a locking connection rod, the inner tubes in the forked outer tubes are instantly ejected out to form annularity with the forked outer tubes, the thug is locked inside the annular steel rim and can be arrested and subdued rapidly, the arrested prisoner or thug is not easy to escape, and barriers are omitted in the arresting process.

The invention discloses an electromechanical integrated intelligent cabinet lock, which has various intelligent lock control functions, is simple, convenient, safe, reliable and stable to use, integrates multiple functions as a whole, and is simple and reasonable in structure. The electromechanical integrated intelligent cabinet lock comprises a lock body, a lock tongue, an intelligent lock control device and / or an auxiliary lock control device, wherein the lock tongue is arranged on the lock body, the intelligent lock control device is arranged on the lock tongue correspondingly and consists of a control main board, a detector and a corresponding actuator, the detector and the corresponding actuator are respectively connected with the control main board, the actuator comprises a driving motor, and a transmission conversion mechanism which is arranged between the lock tongue and the driving motor.

The present invention relates to a fuel-saving one-way gear meshing device for motorcycle. The gear meshing device includes ratchet wheel toothed ring and inner core, the periphery of the inner core is equipped with recessed groove, in the recessed groove the stay tooth is mounted, and the stay tooth is correspondent to the click being in the ratchet wheel toothed ring, the ratchet wheel toothed ring and inner core are divided into two section axially, one section is the click and stay tooth matched section, between stay tooth and inner core a pressure spring is set, and another section is the relative freely rotation matching section between ratchet wheel toothed ring and inner core, and between the ratchet wheel toothed ring and inner core and bearing is mounted.

The invention discloses a traditional steel wheel type sightseeing train derailment control device. The traditional steel wheel type sightseeing train derailment control device comprises travel switches mounted on both sides of a sightseeing train in a mirroring manner, contacts of the travel switches are arranged corresponding to outer side of a track, and the travel switches are connected with abrake application in the sightseeing train through a data transmission element; whether the switch in the travel switches is touched or not is selected according to positional relation change of steel wheels and the track, quick action and timely response can effectively prevent derailment accidents. The traditional steel wheel type sightseeing train derailment control device is simple in structure, low in cost and suitable for promotion and use.

The invention discloses a transfer device, a stamping system and a stamping method. When the second stamping machine completes the stamping operation, the workpiece is taken out through the first grasping structure; and then the first moving structure is driven to move through the second moving structure, And drive the first grasping structure to move to the top of the conveying mechanism along the second direction; then, through the first moving structure, the first grasping structure is moved to the conveying mechanism along the first direction; loosen the first grasping structure, so that The workpiece is placed on the conveying mechanism; through the conveying mechanism, the workpiece is conveyed to the first punching machine; finally, the workpiece is grabbed from the conveying mechanism to the first punching machine by the manipulator, so that the automatic retrieving and automatic feeding of the workpiece is completed. The operation of transfer and automatic feeding enables the stamping process to realize complete automation control, realize continuous stamping operations, automatic production, and improve production efficiency; and reduce staffing and operations to ensure the personal safety of production personnel.

The invention discloses a pneumatic exoskeleton power assisting device. The pneumatic exoskeleton power assisting device comprises a body wearing part, a controlling system and two executing devices. The two executing devices are connected together through the body wearing part; each executing device comprises a haulage cable, a power device, a rotating joint and a supporting point part, wherein the supporting point part is worn on a leg; each power device comprises an air pump, a rack and a power air cylinder; each rotating joint comprises an upper joint portion and a lower joint portion, the upper portion of the upper joint portion is fixedly connected with the rack, and the lower portion of the upper joint portion is hinged to the upper portion of the lower joint portion; and the controlling system comprises a manual control valve, a three-position three-way pneumatic valve and a striking type pneumatic valve, the manual control valve is connected with the three-position three-way pneumatic valve and the striking type pneumatic valve, an air inlet port of the striking type pneumatic valve is connected with the air outlet control end of the three-position three-way pneumatic valve, and an air outlet port of the three-position three-way pneumatic valve is connected with the power air cylinders. The pneumatic exoskeleton power assisting device has the advantages that the man-machine interaction is good, the structure is smart and light, the reaction is quick, and operation is easy.

The invention discloses a flowing speed sensor and a fabrication method thereof. The flowing speed sensor comprises a dual-layer polyimide film substrate, a graphene / polyimide piezoresistance unit anda signal lead. By arranging a simulated hair structure and the graphene / polyimide piezoresistance unit on a surface of the dual-layer polyimide film substrate, the flowing speed can be further measured by measuring stress change of the piezoresistance unit caused by bending of the simulated hair structure under an effect of an external fluid. The flowing speed sensor is simple in structure, and mass production is easy; with the design of employing simulated hair to sensor the flowing speed of the external fluid, the flowing speed sensor has the advantages of structural sensitivity and high measurement accuracy; and moreover, the flowing speed sensor employs a polyimide film as a flexible substrate, and the flowing speed sensor is more conveniently arranged on an arc wing surface and otherprobable curved surfaces.

The invention provides a gradient variable cross-section coaxial Bragg grating strain sensor and a use method thereof. The sensor comprises a plurality of single-cycle sensing structures with the same structure, and the single-cycle sensing structures are integrally connected. Each single-cycle sensing structure sequentially comprises an inner conductor, an insulating layer, a metal outer conductor and an outer sheath from inside to outside, wherein the inner conductor, the insulating layer, the metal outer conductor and the outer sheath are coaxially arranged, and the cross-section radius of the insulating layer is in gradient change; and a gradient model of the gradient gradual change insulating layer is constructed by a cubic spline interpolation curve. Compared with a traditional coaxial electric grid sensor, the gradient gradual change insulating layer is continuous in overall structure, the structure is simple, the cost is low, the strain range is wide, the bearing is uniform in the strain process, the structure sensitive, and the response speed is high.

The invention relates to providing a C3 polypeptide supramolecular helical polymer and a preparation method thereof. Polypeptide supramolecular helical polymers are made of monomer molecules through the amidation reaction of pentafluorophenol active esters of trimesic acid and dipeptides modified with alkyl chains, and then the monomer molecules self-assemble into supramolecular helical polymers in solution , the chirality of supramolecular helical polymers can be changed by changing the sequence of amino acids, and the helical pitch of supramolecular helical polymers can be adjusted by changing the chirality of amino acids. The preparation of supramolecular helical polymers is simple, and the chiral source (amino acid) used in it is obtained through natural proteolysis, non-synthetic, reliable chirality, cheap, and can be used in many fields such as chiral recognition and chiral separation. And it provides a new method for the preparation of new chiral materials.

The invention discloses an electromechanical integrated intelligent cabinet lock, which has various intelligent lock control functions, is simple, convenient, safe, reliable and stable to use, integrates multiple functions as a whole, and is simple and reasonable in structure. The electromechanical integrated intelligent cabinet lock comprises a lock body, a lock tongue, an intelligent lock control device and / or an auxiliary lock control device, wherein the lock tongue is arranged on the lock body, the intelligent lock control device is arranged on the lock tongue correspondingly and consists of a control main board, a detector and a corresponding actuator, the detector and the corresponding actuator are respectively connected with the control main board, the actuator comprises a driving motor, and a transmission conversion mechanism which is arranged between the lock tongue and the driving motor.

The present invention discloses a channel no-reference image quality evaluation method based on color perception. The method comprises the steps of (1) extracting the statistical characteristics of a G component mean subtracted contrast normalized (MSCN) coefficient and four direction neighboring coefficients according to a color perception characteristic that human vision is more sensitive to green component in an RGB color space, (2) according to the strong correlation among R, G and B components in the RGB color space, calculating the mutual information statistical characteristics among color components and textures and phases in the RGB color space, and (3) combined with the G component MSCN coefficient and the mutual information statistical characteristics among the color components, using an SVR and an SVC to construct a no-reference image quality evaluation model and an image distortion type recognition model. The channel no-reference image quality evaluation method based on color perception is suitable for the quality evaluation of images multiple distortion types such as blur and distortion and is highly consistent with human subjective evaluation, and the method has a strong application value.

The invention discloses an exoskeleton assisting device, which comprises a body wearing part, a control system and two actuators, the two executing devices are connected through the body wearing part, and the executing device includes a traction cable, a power part, a rotating joint and a fulcrum Components, the power part includes a frame and a power cylinder, the rotary joint includes an upper joint part and a lower joint part, the upper part of the upper joint part is fixedly connected with the frame, and the lower part of the upper joint part is hinged with the upper part of the lower joint part; the control system includes a controller, Electric proportional valve, trigger sensor and angle sensor, the electric proportional valve is connected with the power cylinder; the trigger sensor is connected with the controller; the angle sensor is arranged on the rotary joint, the angle sensor is connected with the controller; the controller is connected with the electric proportional valve. The invention has the advantages of good man-machine interaction, light and handy structure, quick response and easy operation.