67results about How to "Meet the exercise requirement" patented technology

The invention relates to a spatial sliding cable double-parallel cradle head with a rough and fine position and attitude regulation function, and belongs to a spatial sliding cable double-parallel cradle head. Motors with pulley blocks are fixedly arranged on a triangular fixed platform, wherein upright posts are fixedly arranged in the three corners of the fixed platform respectively; the pulley blocks are fixedly arranged on the two sides of the top ends of the upright posts respectively; six sliding cables are wound to the pulley blocks at the top ends of the upright posts from an output shaft of the motor respectively, and are connected with hooks on the upper surface of the upper plane of the cradle head; the upper and lower planes of the cradle head are connected through electric cylinders; the electric cylinders are connected with the upper plane through spherical hinges, and are fixedly connected with the lower plane of the cradle head through cylinder seats. The spatial sliding cable double-parallel cradle head has the advantages that the spatial sliding cable double-parallel cradle head is novel in structure; the position and the attitude are roughly and finely regulated, so that the movement requirements of a mechanism are met, the system working space is enlarged, and the system positioning accuracy and reliability are effectively improved.

The invention relates to the technical field of robots, and more particularly relates to a mobile robot planning method based on visibility graph guidance. A planning guidance area is established by using a visibility graph method to limit the expansion of a rapid random expansion tree (RTT), a generation shape of a random tree is constrained by establishing a vehicle kinematic model, meanwhile the generation of the random tree is accelerated by using a 8 nearest neighbor node search method, after the random tree is obtained, a path conforming to a mobile robot motion law is obtained by calculation, and finally, the path is optimized to improve the quality of the path. In the traditional fast random expansion tree planning algorithm, the planned path cannot meet the kinematic constraints of a wheeled robot, and meanwhile, as the structure of the random tree becomes larger, the generation efficiency of the random tree is low. Therefore, kinematic modeling is performed on an unmanned vehicle, and then the random tree conforming to the kinematic model of the unmanned vehicle is obtained within a short time in combination with the 8 nearest neighbor node search method, and an optimal path from a starting point to an end point is obtained through path optimization.

The invention discloses a two-degree-of-freedom humanoid ankle joint. The two-degree-of-freedom humanoid ankle joint comprises a upper shank part, a lower shank part, a driving device I, a driving device II, a double-jointed component, a foot and a brake cable; the double-jointed component comprises an ankle joint driving device and a subtarlar joint driving device; the ankle joint driving device comprises an ankle joint shaft; the subtarlar joint driving device comprises a subtarlar joint shaft; the ankle joint comprises an upper shaft and a lower shaft, wherein the upper shaft is the ankle joint shaft, and the lower shaft is the subtarlar joint shaft; and the ankle joint shaft and the subtarlar joint shaft are in space cross, and the axes of the ankle joint shaft and the subtarlar joint shaft are not in the same plane. The two-degree-of-freedom humanoid ankle joint provided by the invention can be used for a humanoid robot and improves the personification of a humanoid robot. The mechanism can achieve three movement angles by controlling two parameters, namely, the space two-degree-of-freedom mechanism approximately achieves the three-degree-of-freedom movement of the ankle joint and improves the flexibility of the movement.

The invention discloses a multi-joint anti-resistance exercise device and relates to the technical fields of aerospace medicine and exercise rehabilitation. The multi-joint anti-resistance exercise device comprises a waist support, a thigh connecting plate, a shank connecting plate and a foot supporting plate; the side wall of the waist support is connected with a hip joint damper, and the bottomof the hip joint damper is connected with the top of the thigh connecting plate; the bottom of the thigh connecting plate is connected with the top of the shank connecting plate by virtue of a knee joint damper, and the bottom of the shank connecting plate is connected with the foot supporting plate. The multi-joint anti-resistance exercise device disclosed by the invention has the advantages thata low-damping load can be applied to each joint of lower limbs for a long time, and damping provided by the device is overcome without limiting a human body activity range by virtue of active movement of a human body or some special exercise activities, so that the aims of exercising muscles and reducing muscle atrophy of the human body and bone loss are achieved; meanwhile, resistance received by each joint can be controlled, different exercise intensity demands of the human body are met, and exercise damage is avoided.

The present invention discloses a brachial plexus nerve injury rehabilitation treatment device. The brachial plexus nerve injury rehabilitation treatment device comprises a base seat, a moving seat capable of moving back and forth is arranged in a middle part of a bottom end of the base seat, a seat plate capable of moving up and down is arranged at a top part of a rear end of the moving seat, a control box capable of moving up and down is arranged at a top part of a rear end of the base seat, a head supporting rod capable of moving up and down is arranged on a rear side of a top end of the control box, and a supporting plate capable of swinging back and forth is hinged to a top end of the head supporting rod; a front side of a top end of the control box is provided with two telescopic large arm plates capable of moving left and right and swinging up and down, front ends of the large arm plates are hinged with telescopic small arm plates capable of periodically swinging up and down, front ends of the small arm plates are hinged with wrist plates capable of periodically swinging up and down, and a front end of each of the wrist plates is hinged with five finger plates capable of periodically swinging up and down in sequence. The brachial plexus nerve injury rehabilitation treatment device effectively solves problems that rehabilitation effects are not ideal because existing brachial plexus nerve injury patients only depend on drug treatment and neglect upper limb rehabilitation exercise.

The invention discloses a bassinet mechanism. The bassinet mechanism comprises a bassinet frame body, a mechanical transmission part, a control panel, an electrical part and a bassinet basket. Swing movement of the bassinet is sine swing movement achieved through a sine mechanism; the control panel performs multiple mode selection in a mode of a touch screen, a menu is vivid and visual, and the control panel can also be remotely controlled; various sensors and camera devices are arranged. The bassinet mechanism has the advantages that the sine swing movement is stable, smooth and free of sudden change of speed; a proper mode can be selected for pacifying an infant according to the state of the infant through the control panel of the touch screen; a guardian can monitor and remotely control the bassinet while being busy with things of himself or herself.

The invention discloses a straight knife sharpener comprising a lathe body, a grinding head assembly and a workbench assembly. Two lathe body linear guide rail pairs are arranged on the top face of the lathe body. The grinding head assembly is supported on the lathe body slidably by a grinding head movable base through the two lathe body linear guide rail pairs. A grinding head motor is installedon a grinding head sliding seat through a grinding head installing plate, and the grinding head sliding seat is driven by a grinding head feed motor and is slidably supported on the grinding head movable base. Position sensors are arranged on the grinding head movable base through vertical and transverse moving sliding seats and a detection driving device. The workbench assembly is located betweenthe left and right lathe body linear guide rail pairs. A workbench is supported on a lathe body in an oscillatory mode. A workpiece locating plate and a workpiece locating push arm are arranged on the two sides of a workbench body correspondingly. A grabbing manipulator is further slidably supported on the lathe body through the lathe body linear guide rail pairs and a side face linear guide railpair. Automatic feeding and discharging and automatic control of grinding precision can be achieved through the straight knife sharpener, a straight knife plane and a cutting edge bevel can be groundthrough one time of clamping, and production efficiency is high.

The invention discloses a suspension system for mine trucks, which comprises a balance arm, two oil-gas springs, two elastic beams, a balance bracket, two upper thrusting rods, two lower thrusting rods and two transverse thrusting rods, wherein the balance arm is a V-shaped arm, and a ridged part of the balance arm is hinged with a frame arranged between two rear axles; the two rear axles are arranged between the two oil-gas springs, and an external cylinder tube of the oil-gas spring is fixedly connected with the frame; the two elastic beams are respectively arranged at the two sides of the balance arm; the balance bracket is fixed on the frame between the two rear axles; the two upper thrusting rods are respectively arranged at the two sides of the balance bracket, and the two ends of each upper thrusting rod are respectively hinged with the second straight section of the elastic beam on the same side of the upper thrusting rod and the upper part of the balance bracket; the two lower thrusting rods are respectively arranged at the two sides of the balance bracket, and the two ends of each lower thrusting rod are respectively hinged with an axle on the same side of the lower thrusting rod and the lower part of the balance bracket; and the two transverse thrusting rods extend along the direction of the axle, and the two ends of each transverse thrusting rod are respectively hinged between the frame and an axle bracket. By using the suspension system disclosed by the invention, the truck reliability is improved.

The invention relates to a mechanical arm gravity compensation device, in particular to a two-dimensional linear air float guide rail type mechanical arm gravity compensation device which solves the problem that a space mechanical arm is designed according to a space weightless environment ball, if gravity compensation is not carried out in a ground experiment, a drive motor can not normally operate, and even the mechanical arm is damaged. According to the two-dimensional linear air float guide rail type mechanical arm gravity compensation device, the upper end of a first suspension rope is fixedly connected with a first suspension center, two second linear air float guide rails are arranged side by side in parallel, a first linear air float guide rail is arranged between the two second linear air float guide rails, the two ends of the first linear air float guide rail are in sliding connection with the two second linear air float guide rails respectively, the upper end of a second suspension rope is connected with the first linear air float guide rail through a movable sliding block, the lower end of a third suspension rope is connected with the middle portion of a mechanical arm, and the lower end of a fourth suspension rope is connected with the right end of the mechanical arm. The two-dimensional linear air float guide rail type mechanical arm gravity compensation device is used for space mechanical arm gravity compensation.

The invention relates to an electric operation mechanism with in-place separation and reunion and unidirectional transmission functions. The electric operation mechanism comprises a machine frame. The machine frame is provided with a motor and a reduction gear mechanism. The machine frame is further provided with a working gear. The upper end surface of the working gear is provided with a ratchet wheel. The ratchet wheel and the working gear are coaxially arranged, and the ratchet wheel and the working gear can rotate relatively. The outer end of the ratchet wheel is provided with a clamping port. The working gear arranged at the outer side of the ratchet wheel is provided with a pawl. The middle part of the pawl is rotationally arranged on the working gear through a hinge pin. The inner end of the pawl and the clamping port on the ratchet wheel are matched to drive the unidirectional rotation of the ratchet wheel. A support at the outer side of the hinge pin is provided with a stop pin. When the pawl clockwise rotates along with the working gear, the pawl rotates to enable that the outer end of the pawl is abutted against the stop pin, and the pawl continuously rotates along with the working gear; when a main shaft reaches a preset position, the main shaft drives the inner end of the pawl to move outwards, the pawl and the ratchet wheel separate, and at the position, the working gear rotates without driving the rotation of the ratchet wheel, and the main shaft can rotate freely within a certain angle.

The invention provides an emergency oil control device used for leakage of offshore oil and gas marine risers. The emergency oil control device comprises an oil control cap main body, a quick crossover sub, sealing devices for cap body-marine riser, an adjustable support body for the sealing devices, mud mats and mud penetrating slabs; upper ends of F-shaped connecting pieces in the adjustable support body of the sealing devices are in rectangular guideway-type connection with a support body connecting steel plate in the oil control cap main body to form guideways of support steel plates witharched holes, so that the movement requirements of the support steel plates are met; the four support steel plates with the arched holes are hinged with each other; an included angle between every twosupport steel plates can be properly adjusted so as to enable the support steel plates to meet the angle error of a bent marine riser; a corresponding marine riser is encircled by rectangular sealingsteel plates with semicircular holes in each sealing device for cap body-marine riser, wherein the semicircular hole diameter is equal to the pipe diameter of the marine riser; and end parts of sealing rubber rings at front ends of the rectangular sealing steel plates with the semicircular holes are meshed and compressed, thereby realizing a function of sealing the marine risers different in pipediameter.

The invention discloses a quasi-cam-roller type gear pair mechanism and a design method thereof. The gear pair mechanism comprises a driving gear, a driven gear, a guide rod, a sliding rail and a rack. The driving gear is mounted on the rack and rotates around the rotary center of the rack. The driving gear is a non-circular gear, the driven gear is a cylindrical gear, and the driven gear and the driving gear are engaged and are in center-distance-variable dual-face engagement transmission all the time. The guide rod is movably mounted on the sliding rail, meanwhile, one end of the guide rod is connected with the center of the driven gear, and the motion direction of the guide rod and the center connecting line of the driven gear and the driving gear are on the same straight line. The design method comprises the steps that a pitch curve of the driving gear is obtained through a motion curve of the driven gear; and through the gear engagement principle, the tooth shape of the driving gear is obtained, and design of the quasi-cam-roller type gear pair mechanism is completed. According to the quasi-cam-roller type gear pair mechanism and the design method thereof, reciprocal rectilinear motion of the cam roller mechanism can be achieved like a cam mechanism, and the characteristic of gear transmission is achieved; and transmission is accurate, motion is stable, noise is low, wear resistance is achieved, and lubricating is easy.

The invention discloses a parallel ankle rehabilitation robot. The parallel ankle rehabilitation robot comprises a movable platform, a fixed platform, three movement branches and three driving devices. The top ends and the bottom ends of the movement branches are rotationally connected with the movable platform and the fixed platform correspondingly. Each of the fixed platform and the movable platform is provided with three revolute pairs which correspond to one another in position and are parallel relative to a first plane. A pedal on the movable platform is located below the first plane andis parallel to the first plane. Each movement branch comprises a first connecting rod, a second connecting rod and a first ball pair. The parallel ankle rehabilitation robot has two rotational degreesof freedom and one moving degree of freedom, can drive the ankle of a human body to realize pronation / supination and introversion / extroversion movements, and can adjust the initial position of self-rehabilitation to a certain extent according to the structural size of the ankle joint of a patient to ensure that the movement of a mechanism is matched with the movement property of the ankle joint of the human body, thereby ensuring the accuracy of rehabilitation.

The invention relates to a rubber carpet. The rubber carpet comprises the following components: butylbenzene 1502, stearic acid, N-220 carbon black powder, EPDM (ethylene propylene diene monomer) rubber powder, naphthenic oil, phenolic resin, an M accelerator and a TMTD (tetramethyl thiuram disulfide) accelerator. The rubber carpet prepared by adopting the formula is less prone to pollution, deformation and abrasion, and has good heat insulation. The rubber carpet can be suitable for treading of a dense crowd, further has good elasticity and can meet movement requirements.

The invention discloses a cold-chain logistics pipeline transportation buffer system. The cold-chain logistics pipeline transportation buffer system is characterized in that the cold-chain logistics pipeline transportation buffer system comprises a cold-chain transportation pipeline (5), a cold-chain conveyer (2) and a goods receiving buffer device (1), wherein the cold-chain transportation pipeline (5) is arranged as a guide channel of a cold-chain conveyer (2), the cold-chain conveyer (2) runs in the cold-chain transportation pipeline (5), a cold-chain cargo hold is arranged in the cold-chain conveyer and is loaded with cold-chain goods, and the good receiving buffer device (1) is located on the end portion of the cold-chain transportation pipeline (5), and is at least provided with electromagnetism mutual exclusion devices with same magnetic poles to carry out deceleration buffering on the cold-chain conveyer (2). The cold-chain logistics pipeline transportation buffer system breaksthrough the limit of a fluid pipeline, achieves pipeline transportation of cold-chain goods, and further achieves single or multiple deceleration buffering in the pipeline transportation process and / or the process of pipeline terminal goods receiving.

The invention relates to a device and a method for arranging an S-shaped rubber band on a napkin for incontinents. By the device and the method, a hipline arc-shaped rubber band can be accurately arranged on a napkin for incontinents in a conveying process of a production line of napkins for the incontinents. A servo motor is arranged on a support through a motor mounting plate; a mounting sleeve is fixed on a servo motor shaft through a flat key; the tail of a rubber band arranging head is fixed on a side of the mounting sleeve; a rubber band penetrating hole is formed in the head of the rubber band arranging head; the lower portion of a fixing block is connected with an end surface of the support; a hole is formed in the upper portion of the fixing block; and a star-shaped handle penetrates in the hole and is in screwed connection with a motor mounting plate. The device and the method for arranging the S-shaped rubber band on the napkin for the incontinents have the advantages that direct connection movement is realized by the servo motor, movement requirements on a high-speed machine of napkins for incontinents can be met, and phenomena that the response speed of guide tracks is insufficient and the guide tracks are easy to wear in the prior art are avoided; a servo motor head is directly connected to the arranging head, and the procedure response speed and the accuracy are greatly improved; and the structure is simplified, the time on machining and assembly of parts is greatly saved, and the cost is saved.

The invention relates to robots, in particular to a running device of a human-machine cooperative robot. The running device comprises a running beam. A plurality of joints are arranged on the two sides of the running beam correspondingly. One side of each joint is provided with a running component driven by the joint to move, the other side of the joint is hinged to one end of a connecting beam, and the other end of the connecting beam is fixedly connected with the running beam. According to the running device, shells and connecting arms can be driven by rotation of first shafts to rotate horizontally, the connecting arms can be driven by second shafts to rotate vertically, the running components can be driven by third shafts to rotate vertically, and the three-shaft type joints of the device can drive the running components to move on the horizontal plane and the vertical plane within a large range or a small range, so that the movement requirement for the human-machine cooperative robot is completely met; and the running device is simple in structure, few in component and low in cost.

The invention aims at providing a method for manufacturing a boom by using aluminum alloy sections, the boom and a pump truck using the boom provided by the invention. The technical scheme is that the boom manufacturing method comprises the steps of extruding the aluminum alloy sections; performing variable-cross-section treatment to the aluminum alloy sections, i.e. removing partial materials at positions which bear small force to form cross sections with different sizes. The boom provided by the invention is formed by performing bending treatment and variable-cross-section treatment to the aluminum alloy sections and comprises a main body and a head which form a preset included angle. The pump truck provided by the invention uses the boom provided by the invention.

The invention discloses a cargo air pressure fixing system in cold-chain logistics pipeline transportation. The cargo air pressure fixing system is arranged in a cold-chain conveyor; the cold-chain conveyor runs in a cold-chain transmission pipeline; the cold-chain transmission pipeline is configured to be a guide channel of the cold-chain conveyer; a cold-chain cargo compartment is arranged in the cold-chain conveyer; a cold-chain cargo is loaded in the cold-chain cargo compartment; the cargo air pressure fixing system is used for fixing the cold-chain cargo in the cold-chain cargo compartment; the cargo air pressure fixing system comprises an axial cold-chain cargo fixing device, a circumferential cold-chain cargo air pressure fixing device, an end pressing device and a selectively-configurable axial cold-chain cargo partition device; the limitation of a fluid pipeline is broken through the system, so that the pipeline transmission of the cold-chain cargo is realized, the comprehensive protection in the axial direction and the circumferential direction of the cold-chain cargo in the pipeline transportation are further realized, the collision damage is avoided, the flexible partition can be carried out according to the size, the type and the like of the cargos, the cargo capacity is increased, and the space utilization rate and the transportation efficiency are improved.

The invention discloses a cold chain pipeline logistics routing switching system. The cold chain pipeline logistics routing switching system is characterized by comprising a plurality of cold chain pipelines (1), a pipeline routing switching device (2) and a cold chain container (3), wherein the cold chain pipelines (1) are intersected to form a routing; the pipeline routing switching device (2) is positioned in the position of the routing, and is configured to be capable of moving so as to realize selective switching in different cold chain pipeline directions; the cold chain container (3) operates in the cold chain pipeline (1), and is configured to be capable of moving along with the pipeline routing switching device (2) at the position of the routing so as to selectively enter into different cold chain pipelines (1). The system breaks through the limitation of fluid pipelines, pipeline transportation of cold chain goods is realized, and the switching of circuits in the position ofthe pipeline routing is further realized.

The invention relates to a yarn coiling device of a winder. The yarn coiling device comprises a first yarn coiling mechanism used for driving winding reels to rotate around the axial leads of the driving winding reels and a second yarn coiling mechanism guiding the yarns to move up and down in the length direction of the winding reels, wherein the second yarn coiling mechanism comprises a movable frame, a connecting piece connected with one end of the movable frame, and a second drive mechanism connected with the other end of the connecting piece; the movable frame is provided with yarn guides corresponding to the winding reels one to one; the second drive mechanism comprises an electric controller and a conveyor belt; the conveyor belt comprises an extension part in the horizontal direction and a vertical part; a driven pulley is arranged between the extension part and the vertical part; the extension part is connected with the electric controller; and the vertical part is connected with the connecting piece. According to the yarn coiling device, the second drive mechanism is adopted to drive the movable frame to move up and down in the vertical direction of a rack so as to drive the yarn guides arranged on the movable frame and corresponding to the winding reels one to one to move up and down, so that the movement requirements of the yarn coiling device can be met, in addition, the yarn coiling device is simple in structure and low in cost.

The invention discloses a visual persistence-based linear LED lamp image-text display skipping rope and a use method thereof. The physiological characteristics of visual persistence of human eyes are utilized, when the linear LED lamp skipping rope passes through different positions in the rotating process, clear display of characters, graphs and simple dynamic pictures is achieved, meanwhile, the display content and the display mode can be changed in real time, and the color and the intensity of the light can be controlled at will; a rope skipping exercise mode can be set through an App of the smart phone, and the flexible exercise mode setting can fully meet the exercise requirements of a user; and the motion data of the user can be visually displayed on the App of the smart phone, and the motion process and effect of the user are visualized through user motion data analysis and storage of the cloud server. The LED lamp efficiency can also be stored and shared in a cloud mode, and the skipping rope is simple to use, easy to implement, novel in vision and traceable in data, and has good practical significance and application value.

The invention relates to a skipping rope, in particular to an intelligent skipping rope, a user can autonomously select a self-movement mode or a standard movement mode, the movement requirement of the user can be fully met through flexible movement mode setting, and meanwhile the user can be prevented from being overtired. The data analysis module can analyze the exercise completion condition and the exercise completion curve according to the counting result, so that the user can know the whole exercise process in time, and the user can adjust the exercise process in a targeted manner; according to the technical scheme, the defects that in the prior art, an exercise plan cannot be reasonably made, and the exercise completion condition cannot be effectively analyzed can be effectively overcome.

The invention discloses a receiving and transmitting system for pneumatic cold chain pipeline logistics. The receiving and transmitting system comprises a cold chain air source device, a cold chain pipeline (2), receiving and transmitting devices (3), a cold chain pipeline commutator (4) and a cold chain unit load device (5), wherein a cold chain warehouse is arranged in the cold chain unit load device (5), and cold chain goods are loaded in the cold chain warehouse; the cold chain air source device is used for driving the cold chain unit load device (5) to perform transmission in the cold chain pipeline (2), and is at least located at the end of the cold chain pipeline (2); the receiving and transmitting devices (3) are arranged at two ends of the cold chain pipeline (2), and are used forreceiving and transmitting of the cold chain unit load device (5); and the cold chain pipeline (2) comprises a plurality of branched branch pipelines and the cold chain pipeline commutator (4) and isused for shifting the conveying direction of a pipeline. According to the receiving and transmitting system disclosed by the invention, compressed air is used as power, point-to-point automated transportation is realized through the fixed cold chain pipeline, the effects of being high in speed and low in noise are achieved, the transportation efficiency is greatly improved, and the last-mile problem of the cold chain logistics is effectively solved.

The invention discloses a two-freedom-degree voice coil driving device. The two-freedom-degree voice coil driving device comprises a square-frame-shaped magnet upper cover assembly and a magnet lower cover assembly which are matched in a manner of covering up and down, wherein a permanent magnet is arranged on each side of each of the magnet upper cover assembly and the magnet lower cover assembly; a semi-closed cavity is formed between two adjacent permanent magnets at the upper part and the lower part on each of the magnet upper cover assembly and the magnet lower cover assembly; a coil assembly is arranged between the adjacent permanent magnets at the upper part and the lower part. By virtue of the two-freedom-degree voice coil driving device, a magnetic field is reinforced, the magnetic field with magnetic leakage of an electromotor is effectively shielded, and the motion of rotors in two-freedom-degree direction of the voice coil driving device is implemented.

The invention provides a hydraulic driving automatic exchange workbench of a closed mechanical press. The hydraulic driving automatic exchange workbench comprises a base, wherein a steel rail is arranged on the base, and one or two exchange workbench bodies are arranged on the steel rail. Roller jacking devices are arranged at four corners of the exchange workbench bodies, a set of multi-stage hydraulic oil cylinder driving device is arranged between each exchange workbench body and the base, guide devices are arranged between the two sides of the exchange workbench bodies and the base, conical positioning devices are arranged between the middles of the two sides of the exchange workbench bodies and the base, clamping devices are arranged between the exchange workbench bodies and the base,position detection devices are arranged at the front and back of the exchange workbench bodies, steel rail cleaning devices are arranged on the front outer walls and the rear outer walls of the exchange workbench bodies, four sets of collision block automatic lifting devices are arranged in the middle of the base at intervals, the four corners of the base are provided with edge collision block devices, and a hydraulic pump station device is arranged in the base. The hydraulic driving automatic exchange workbench has the advantages of being accurate in guiding, precise in positioning, accuratein moving distance and the like.

The invention relates to an evaluation device for implant damage and fretting damage of a neural electrode. The evaluation device comprises a control module, a driving module and a post processing module, wherein the control module and the driving module can finish experimental simulation of the implant process and the fretting state of the neutral electrode by setting different fretting frequencies and wave forms as well as selectable implant parameters; the post processing module is used for calculating the size and the range of tissue damage by a microscopical technique and the digital image correlation theory and comparing the size and the range of the tissue damage with a numerical simulation result. By preparing a soft tissue model of which mechanical properties are close to those of brain tissues, the repeatability of experimental results can be guaranteed, and the problem that the histology experiment is intervened by biological factors is avoided. According to the evaluation device, the verification can be provided for the previous finite element numerical simulation results, the research on mutual action of the neutral electrode and the brain tissues is improved to the experimental stage, design reference is provided for a novel low-damage neutral electrode more effectively, and the long-term service life of the neutral electrode is prolonged.

The invention discloses a flexible self-adaptive device of a cold chain logistics pipeline unit load device. A cold chain unit load device (3) runs in a cold chain transmission pipeline (2), a cold chain cargo compartment is arranged in the cold chain unit load device (3), the cold chain cargo is loaded in the cold chain cargo compartment, and flexible self-adaptive devices (1) are mounted in thecold chain unit load device (3) in the back and forth direction; and each flexible self-adaptive device (1) comprises a plurality of sets of multi-linkage mechanisms distributed in the circumferentialdirection of the cold chain transmission pipeline (2), an elastic mechanism and rollers (106), and the elastic mechanism at least drives the multi-linkage mechanisms to make the rollers (106) closelybe attached to the inner pipe wall of the cold chain transmission pipe (2). The flexible self-adaptive device breaks through the limitation of the fluid pipeline, realizes the pipeline transmission of the cold chain cargoes, further realizes the flexible self-adaption of the cold chain unit load device in the pipeline transportation process, and improves the transportation stability, safety and reliability.

The invention discloses a stylet motion mechanism of a loop type warp knitting machine. The stylet motion mechanism comprises a stylet, a stylet bed, a swing arm, a rotary shaft rotatably mounted on a rack and a transmission main shaft rotatably mounted in an oil tank, wherein the stylet is fixed on the stylet bed; the swing arm is fixed on the rotary shaft; the stylet bed is fixed at the front end of the swing arm; a first crank, a first connecting rod, a triangular connecting rod, a second crank and a second connecting rod are arranged between the transmission main shaft and the swing arm; the lower end of the first connecting rod is rotatably connected with the first crank; the upper end of the first connecting rod is rotatably connected with the top end of the triangular connecting rod; the left bottom end of the triangular connecting rod is rotatably connected with the second crank; one end of the second connecting rod is rotatably connected with the right bottom end of the triangular connecting rod; the other end of the second connecting rod is rotatably connected with the rear end of the swing arm; the first crank and the second crank are driven to rotate by the transmission main shaft; the rotation directions of the first crank and the second crank are opposite. In the stylet motion mechanism disclosed by the invention, the stylet stops for relatively long time in two extreme positions of reciprocating motion, and does not experience impact in motion; the working stability is good, and the manufacturing cost is low.