125results about How to "Guaranteed rotational stability" patented technology

The invention discloses a guide wire/catheter delivery device for vascular intervention and a using method of the guide wire/catheter delivery device and a vascular intervention surgical robot. The delivery device comprises a clamping assembly used for clamping a guide wire/catheter, and a driving part, wherein the clamping assembly comprises a clamping base, one or more driving wheels and one or more driven wheels, the driving wheels and the driven wheels are rotationally mounted on the clamping base, and are symmetrically arranged on the two sides of the guide wire/catheter; the driving part comprises a wire feeding and retreating driving unit and a wire rotating driving unit, the wire feeding and retreating driving unit is connected with the driving wheels and drives the driving wheels to rotate, and the driving wheels rotate to drive the guide wire/catheter to move in the axial direction; and the wire rotating driving unit is connected with the clamping base and drives the clamping base to rotate in the axial direction of the guide wire/catheter, and then the guide wire/catheter is driven to rotate. The guide wire/catheter rotates around a shaft and axially moves independently or rotates around the shaft and axially moves synchronously in an automatic mode, guide wire propelling accuracy and precision are improved, and therefore the operation safety is greatly improved.

To provide a dry washing apparatus capable of removing an adherent from a plastic waste material simply and efficiently without performing pretreatment. This dry washing apparatus is equipped with a stirring casing having not only a waste material discharge port formed to one end part thereof but also a washing material discharge port for discharging the plastic waste material after washing formed to the other end part thereof and also having an adherent discharge port for discharging the adherent formed thereto, the rotary shaft provided in the stirring casing in a freely rotatable manner and a plurality of stirring arms provided to the rotary shaft in a protruded state within the stirring casing and provided with impact blocks for hitting the plastic waste material to crush the same.

The invention discloses a laboratory measurement method for the optical properties of satellites, comprising the following steps: step 1, simulating the attitude motion of a satellite and establishing a satellite attitude motion model; step 2, establishing a light source model projected to a satellite model based on the satellite attitude motion model, and simulating the illumination of the sun to the satellite; and step 3, establishing a detector model simulating the detection angle of a detector based on the satellite attitude motion model and the light source model, wherein the direction of the detector in the detector model faces the satellite model in the satellite attitude motion model. Through equivalent treatment of the process of space optical observation, optical observation of a satellite is simulated in the laboratory; through satellite attitude control turntable scheme design, turntable rotation shafts clamping a target model are designed to simulate satellite attitude control; an around-center rotating part controlling the rotation of the detector is designed to simulate the relative motion of the optical detector; and a three-axis turntable and a detector are designed in a combined manner to simulate omni-directional observation based on a semicircular detection slide rail.

The invention relates to an electrochemical polishing method for a bearing retainer. The electrochemical polishing method for the bearing retainer comprises the steps of: preparing, electrochemical polishing, electrolyte mixing, cleaning by using cold water, passivating, cleaning by using hot water, drying and rust preventing; the electrolyte is prepared from phosphoric acid, water and chromic anhydride in a volume ratio of 8:4:1; the temperature of the electrolyte is controlled to be below 40 DEG C; in the electrochemical polishing step, the current density is 35A/square decimeter, the working voltage is 8-10V, the distance between the negative pole of an electrochemical polishing machine and a processed workpiece is 5-10mm, and the electrochemical polishing time is 90s; the preparing step comprises the sub-steps of: preparing the electrolyte, adding the electrolyte in an electrolytic vessel, placing a lead plate in the electrolytic vessel, connecting the lead plate and the negative pole of the electrochemical polishing machine, and preparing the processed workpiece; and the step of preparing the processed workpiece comprises the following sub-steps of: performing oil removing and cleaning on the processed workpiece, cleaning by using hot water, cleaning by using cold water, hanging on a hanger, and connecting the processed workpiece with the positive pole of the electrochemical polishing machine. According to the electrochemical polishing method, the clamping as well as the material charging and discharging are convenient, the occupying area is small, the cost is low, the burr removing effect is good, the labor intensity is obviously reduced, and the time and the labor are saved.

The invention provides a wear indicator for an adjusting arm and a brake clearance adjusting arm and belongs to the technical field of machinery. The problems that the conventional wear indicator is easily interfered and accurate alarm cannot be ensured are solved. The wear indicator for the adjusting arm comprises an on-off type switch, a mounting box and a rotating disc, wherein the on-off type switch is arranged in the mounting box; the mounting box comprises a limiting hole; the rotating disc is positioned in the limiting hole, and radial limiting is formed between the rotating disc and the limiting hole; circular grooves are formed in inner walls of the limiting hole; the outer edge of the rotating disc is positioned in the circular grooves, and the rotating disc is limited between groove walls on two sides of the circular grooves; the circular grooves are partially or completely penetrated, and the rotating disc can rotate relative to the mounting box; a protrusion part capable of triggering the on-off type switch is arranged on a part, which penetrates through the circular groove, of the rotating disc. The wear indicator for the adjusting arm and the brake clearance adjusting arm disclosed by the invention have the advantages of high working accuracy, difficulty in interference and the like.

The invention provides an angle sensor for an adjusting arm and belongs to the technical field of machinery. By means of the angle sensor for the adjusting arm, the problem that the detection precision of an existing angle sensor is low is solved. The angle sensor comprises an installation box capable of being connected to the side wall of the adjusting arm and a rotating disc capable of being fixed on a cam shaft of the adjusting arm in the circumferential direction, the rotating disc is located inside the installation box and can rotate relative to the installation box, the installation boxis further internally provided with a rotating wheel which can rotate, the external diameter of the rotating disc is larger than that of the rotating wheel and the rotating disc drives the rotating wheel to rotate through a driving belt or teeth, a rotating center of the rotating wheel is fixedly provided with a magnetic body, the installation box is internally and fixedly provided with a sensingelement which is arranged to be opposite to the magnetic body, and the sensing element can perform real-time sensing on rotating of the magnetic body and perform signal conversion. The angle sensor for the adjusting arm has the advantages of being high in detection precision, good in working stability and the like.

The invention discloses a magnetorheological fluid recovery device and a treatment method based on ionization and centrifugation, and belongs to the technical field of magnetic waste liquid recovery and treatment. The device includes an outer barrel, an inner barrel, an adsorption tube, and a filter screen. The inner barrel is rotatably mounted in the outer barrel through a bearing and driven by a motor. The sidewall of the inner barrel is provided with filter holes that communicate with the inside and the outside, and the adsorption tube is arranged in the inner barrel. In the middle of the body, a coil is arranged in the adsorption tube, an electrode plate is arranged in the inner barrel, a filter screen is arranged on the inner side wall of the inner barrel and covers the filter hole, and a recovery stop valve is arranged on the outer wall of the outer barrel. The method of the invention realizes the separation and recovery treatment of the magnetorheological fluid through ionization treatment, centrifugal breaking treatment and centrifugal separation treatment. The present invention processes the magnetorheological fluid, separates and recovers the main dispersed particles and the carrier liquid, does not need any treatment agent for preliminary treatment in the early stage, and has high recovery efficiency, and the recovered carrier liquid can be used as a new carrier liquid after a little treatment.

The invention discloses a speed bump power generation device based on a hydraulic system. The speed bump power generation device comprises a speed bump system, the hydraulic system and a mechanical system. The speed bump system comprises an upper pressure bearing plate, a lower pressure bearing plate, a spring, a cylinder barrel ejector rod and a piston. The spring is supported between the upper pressure bearing plate and the lower pressure bearing plate and internally provided with a cylinder barrel. The cylinder barrel comprises an outer cylinder barrel body. An inner cylinder barrel body is formed in the outer cylinder barrel body in a surrounding mode. The piston is located in the inner cylinder barrel body. The upper pressure bearing plate is connected with the piston through the cylinder barrel ejector rod. The bottom of the outer cylinder barrel body is provided with an external oil outlet and an external oil inlet. The upper pressure bearing plate is arranged below a speed bump. The speed bump system is connected with the mechanical system used for power generation through the hydraulic system. According to the speed bump power generation device based on the hydraulic system, expressway pavement vibration energy is fully recycled, energy conversion is achieved, the power consumption cost is reduced, and the economic benefit is improved.

The invention discloses a two-dimensional sunlight automatically tracking device which comprises a bearing frame, a first supporting column and a second supporting column which are arranged at the top end of the supporting frame and an inclined rotation mechanism housing and a horizontal rotation mechanism housing which are cradled at the top end of the first supporting column and the second supporting column. An inclined rotation shaft which is connected with an inclined rotation power mechanism is arranged in the inclined rotation mechanism housing; a small gear shaft which is provided with a small gear is arranged in the horizontal rotation mechanism housing; the horizontal rotation mechanism housing which is arranged above the small gear shaft is provided with a horizontal rotation shaft; the horizontal rotation shaft is provided with a big gear which is meshed with the small gear; the end portion of one end of the small gear shaft is connected with a horizontal rotation power mechanism; and two ends of the horizontal rotation shaft are respectively provided with a solar cell panel. The two-dimensional sunlight automatically tracking device has the advantages of being compact in structure, reasonable in design, convenient to install, convenient and rapid to use, high in rotating stability and tracking precision, low in achievement cost, power consumption and operating cost, good in using effect and convenient to popularize and utilize.

An internal inclination angle testing device capable of analyzing the influence of the section diameter of an O-shaped ring on the high-pressure sealing performance comprises a cylinder, the middle lower portion of a movable cover extends into the cylinder to be connected with the cylinder, the lower portion of the movable cover is of a conical structure, and the O-shaped ring for testing is arranged in an annular sealing groove in the outer side wall of the conical structure. The movable cover is matched with a spiral groove in the inner side wall of the barrel through a protruding spiral block on the outer side wall of the middle to achieve rotation, the bottom of the barrel is communicated with an air inlet pipeline and an air outlet pipeline, an annular protrusion is arranged in the middle of the movable cover, the spiral block is arranged on the bottom side outside the annular protrusion, and the spiral face is provided with an inner inclination angle, correspondingly, spiral grooves are uniformly distributed in the cylinder body, and the characteristic angle of the spiral groove is matched with the related characteristic angle of the spiral block. The section diameter of theO-shaped ring for testing is controlled by changing the fit clearance between the sealing groove in the bottom of the movable cover and the conical surface of the barrel, and gas recovery, overpressure overflow and unloading under pressure fluctuation of the testing device are achieved through cooperation of the pressure detection meter and the valve.

The invention discloses high-precision surface flatness detection equipment for bearing processing. The equipment comprises a base, a butt joint lead screw and an embedded part; a driving motor is mounted on the outer side of the edge end of the base, a conveying belt is mounted at the output end of the driving motor in a nested manner, the conveying belt is connected with the inner side of the base, and a nested frame is mounted at the upper end of the base through bolts; the butt joint lead screw is installed at the inner end of the nested frame in a nested mode, the side end of the butt joint lead screw is in nested butt joint with the upper end of the conveying belt, and a reserved electric wire connected with a power source is installed at the upper end of the base; and the embedded part is in threaded butt joint with the outer side of the butt joint lead screw. According to the high-precision surface flatness detection equipment for bearing processing, the driving motor stably drives three groups of contact pieces on the outer side of the output end to perform centrifugal movement in the working process, and friction blocks at the edge ends of the driving motor are attached to the inner side of a bearing piece to make contact with the inner side of the bearing piece, so that the bearing piece to be detected is synchronously driven to perform circumferential movement through the rotating centrifugal force of the driving motor, and all-around multi-area detection work is carried out on an object in cooperation with a self-displacement nested piece.

The invention relates to the technical field of fruit glass can washing and discloses large-caliber fruit glass canned bottle body washing equipment comprising a machine body. A low speed motor is fixedly connected to the bottom of the machine body through a fixing frame. A torque rotary shaft is fixedly connected to an output shaft of the low speed motor through a coupling. The end, away from thelow speed motor, of the torque rotary shaft penetrates through the bottom of the machine body and is fixedly connected with a rotary table. A circular ring chute matched with the size of the outer diameter of the rotary table is fixedly connected to the bottom of the inner side of the machine body through a bolt. A movable ball is movably connected to the bottom of the rotary table. The bottom ofthe movable ball is located on the inner side of the circular ring chute. The machine body, the low speed motor, the torque rotary shaft, the rotary table, a locating support barrel, an adjusting locating mechanism, a vertical circulation mechanism, a transverse locating mechanism, a rotary motor, a disc type cleaning brush, a spraying head and a control panel are arranged and matched, so that the problems of high labor intensity and cost of cleaning of glass canned bottle bodies are solved.

The invention discloses a mouse with high applicability that comprisesa first body; one side of the first body abuts against a second body; a mounting groove is provided on one side of the second body; bearing grooves are provided at the lower end of the first body and the lower end of the second body; the upper end of one of the bearing grooves is communicated with the mounting groove; the mounting groove corresponds to the first body; a power mechanism is arranged on the side wall of one end in the mounting groove; and a connecting pipe and a first shaft sleeve are arranged on the power mechanism. The distance between the two bodies can be adjusted, and the distance between the bodies and the U-shaped plate can also be adjusted, therefore, the application range of the mouse can be well expanded; the adjustable mouse is simple in structure and convenient to use, can be well suitable for different users, can guarantee the stability of the adjusted mouse, improves the use comfort of theusers, can well avoid the situation that the palm and the arm of some users are prone to fatigue when the existing mouse is used due to the fact that the mouse cannot be adjusted, and facilitates prolonging of the use time of the users.

The invention discloses a traditional village building exhibition stand and a display method thereof. The exhibition stand comprises an exhibition stand body, a containing groove, a supporting block,a baffle, a hinge, a second limiting groove and a clamping groove, wherein the containing groove is formed in one side of the outer wall of the upper end of the exhibition stand body, connecting blocks are symmetrically arranged on one side of the outer wall of the upper end of the exhibition stand body, first limiting grooves are formed in the outer walls of the opposite sides of the two connecting blocks correspondingly, electric push rods are symmetrically arranged at the lower end of the inner wall of the containing groove, fixing plates are arranged on one sides of the outer walls of theupper ends of the electric push rods, sliding grooves are formed in the two sides of the inner wall of the containing groove correspondingly, first connecting plates are arranged on one sides of the outer walls of the upper ends of the fixing plates, supporting frames are symmetrically arranged on one sides of the outer walls of the upper ends of the first connecting plates, and the baffle is arranged in the supporting block. According to the exhibition stand and the method, by arranging balls, dustproof cloth and a pressing plate, the advantages that a building display model is convenient tofix, a dustproof device is additionally arranged, and the display angle of the building display model is convenient to change are achieved.

The invention belongs to the technical field of electronic equipment, and particularly relates to a stabilizing mechanism of a driving device, an aperture assembly, a camera device and electronic equipment. The defects that an existing driving device is unstable in movement and the like are overcome. According to the stabilizing mechanism of the driving device, the driving device comprises a frame body installed on a variable aperture base, a rotating block arranged in the frame body and rotationally connected with the frame body, a swing cantilever connected to the front end of the rotating block, and a driving magnet installed on the rotating block, and the stabilizing mechanism comprises stabilizing magnetic conductive sheets. The stable magnetic conductive sheets and the end face, away from the swing cantilever, of the driving magnet are distributed at intervals and used for providing continuous adsorption force for the driving magnet. The stable magnetic conductive sheets provide continuous adsorption force for the driving magnet, so that the movement stability of the driving device is ensured, and finally, the shielding aperture stably moves.

The invention discloses a composite rotating shaft mechanism. The composite rotating shaft mechanism comprises a face shell, a bottom shell, a liquid crystal assembly, a limit rotating shaft, a fixedsupport, a reinforced shaft, and screws; according to one end of the novel composite rotating shaft mechanism, a routine rotating shaft is fixedly arranged on the liquid crystal assembly and the faceshell, and the other end is provided with a composite rotating shaft structure; the reinforced shaft is adopted for cooperation with the fixed support, so that double-shaft stability and reliability are achieved. The composite rotating shaft mechanism is low in cost, is capable of solving a problem in the prior art that cost is relatively high because of adoption of double rotating shafts in a conventional rotating shaft assembling method; different display angles can be achieved through rotating of the liquid crystal assembly by users; the assembling mode is simple; complex assembling requirements of routine rotating shafts are avoided; and product comprehensive competition advantages are improved greatly.

The invention provides a high-precision and high-stability pendulum mirror device suitable for space environment and a working method thereof. A pendulum mirror is arranged in a pendulum mirror chamber. The front section of the pendulum mirror chamber is mounted on a fixed front panel through two flexible structures in an up-down symmetry manner, and no impact force guarantees adjustment stability; the back end of the pendulum mirror chamber is provided with an adjusting rod, and the other end of the adjusting rod is equipped with an adjustment actuator, so that the position of the pendulum mirror can be adjusted precisely; the side surface of the pendulum mirror chamber is equipped with a high-precision sensor; and the high-precision sensor and a sensor connection plate, together with thetwo flexible structure members, the pendulum mirror chamber, the adjustment actuator and the adjustment lever, form real time closed-loop control. The device can ensure coincidence of the adjusting centers of the flexible structures and ensure direction adjusting accuracy and stability to the maximum extent; the high-precision sensor can detect the position information of the pendulum mirror in real time; the position of the pendulum mirror drifts a little bit due to load excitation of temperature and vibration and the like during working; and through the high-precision sensor, position information is fed back and through the adjustment actuator, the position of the pendulum mirror is corrected, thereby ensuring position precision of the pendulum mirror.

The invention provides a vertical adjustment mechanism for a serving channel in a tennis ball serving machine, which belongs to the technical field of sports equipment. The vertical adjustment mechanism solves the technical problems of conventional tennis ball serving machines, such as fewer ball routes. The tennis ball serving machine comprises a base with universal wheels, and two pinch rollers,wherein the serving channel is formed by the two pinch rollers, and a serving base is arranged at the front end of the base. The vertical adjustment mechanism for the serving channel comprises a mounting base which is shaped like a disk and vertically arranged on the serving base, wherein the mounting base comprises two mounting disks which are arranged in parallel and separately, the two mounting disks are fixedly connected with each other through a plurality of connecting rods, the center of the outer side of each of the two mounting disks is provided with a rotating sleeve, a shaft sleeveis rotatably connected to the serving base, and the two pinch rollers are both rotatably connected between the two mounting disks. The vertical adjustment mechanism has the advantage of enabling the serving machine to serve balls in more different routes.

The invention provides an electric wire and cable rotating mold convenient to maintain; the mold comprises a rack, a longitudinally arranged support frame is in bolted connection with the right upper side of the rack, a longitudinally arranged wire distributing disc is in bolted connection with the upper end of the support frame, and wire inlet holes are formed in the periphery of the interior of the wire distributing disc; a longitudinally-arranged support is in bolted connection with the upper left side of the rack, a transversely-arranged servo motor is in bolted connection with the middle of the lower right side of the support, and an output shaft of the servo motor penetrates through the interior of the support and is in key connection with a driving belt wheel. Through the arrangement of an impurity collecting hopper, a flow guide pipe, an impurity collecting box, an observation piece, a cleaning plate, a dust cleaning plate and a filtering separation net, impurities and dust can be collected into the impurity collecting box through the flow guide pipe by the impurity collecting hopper, and then large impurities and dust are separated and filtered through the filtering separation net; and finally, the cleaning plate and the dust cleaning plate can be taken down for separation and cleaning, operation is convenient, and environmental pollution is avoided.

The invention provides a machining method for a permanent magnetic direct current brushless motor. The machining method comprises the steps that a semicircular magnetic flux control acceleration notch is machined at the middle position of a groove tooth of two adjacent stator grooves, semicircular isolation is formed between the two adjacent stator grooves through the magnetic flux control acceleration notch, and a local eddy magnetic field is formed in the magnetic flux control acceleration notch. By means of the machining method, the magnetic flux and rotation speed can be precisely controlled, the control difficulty is lowered, meanwhile, the Hall signal collection precision is improved, the Hall signal reliability is guaranteed, and motor consistency is improved.