3105results about How to "Ingenious design" patented technology

The invention discloses a non-microwave electromagnetic field measurement method and device based on an NV color center, and relates to the field of quantum precision measurement, and the device comprises a magnetic field generation structure, a laser excitation structure, a color center selection structure and a fluorescence detection structure. The magnetic field generation structure is used for applying a magnetic field with known direction and size to the diamond; the laser excitation structure generates laser, and the laser irradiates the diamond containing the NV color center; the color center selection structure performs micron-level focusing on an objective lens by using a three-axis displacement table and selects a diamond NV color center corresponding to the size and direction of a magnetic field; the fluorescence detection structure collects fluorescence radiated by the NV color center and converts the fluorescence into an electric signal for measurement. According to the invention, by applying the magnetic field with the size of 1024G along the NV axis and the included angle within 0.1 degree, the detection of the target electromagnetic field is realized by utilizing the sensitivity to the transverse component of the electromagnetic field under the strong magnetic field; the invention discloses a non-microwave electromagnetic field measurement method and device based on an NV color center, and is suitable for magnetic field and electric field measurement of an all-optical device without a microwave assembly.

A novel external electromagnetic valve assembly of a shock absorber comprises an electromagnetic assembly and a valve body assembly, a guide-in valve sub assembly of the valve body assembly adjusts flow through a throttling valve piece, then adjustment of damping bandwidth is achieved, and the electromagnetic assembly is matched with a pilot hole and a damping hole of a main valve element of the valve body assembly through an electromagnetically-driven conical rod. The damping force can be stably established, the concept is novel, the design is ingenious, the stable damping force can be rapidly provided, and the effect is remarkable.

The invention provides a quick response bistable mechanical gripper of a programmable energy barrier and a use method, and belongs to the technical field of robots. In the gripper, a rigid clamping jaw is fixedly connected to the side of a fixed clamping plate, the fixed clamping plate is rotationally installed at the upper end of a sliding block around a pin shaft, and a flexible buckling beam is arranged in a gap of the fixed clamping plate. The sliding block is fixedly connected with a rack, and the rack is meshed with a gear in the box body. When the motor is driven, the rocker arm pushes the sliding blocks to move along the guide shaft, through transmission conversion of rack-gear-rack, reverse displacement is generated on the sliding blocks on the side, the two sliding blocks achieve reverse movement, the fixing clamping plates rotate around the shaft, and the flexible buckling beam is pressed to be bent. The process can adjust the threshold value of the energy barrier of the bistable structure and change the triggering condition. And after being impacted by an object, the clamping device can jump quickly and actively increase the clamping force. The mechanical gripper has the advantages of being adjustable in energy barrier, simple in structure, fast in response, low in cost and the like, and the problem that an existing mechanical gripper cannot achieve soft triggering and stable clamping at the same time is solved.

The invention belongs to the field of microwave heating, and discloses a solid-state microwave source which comprises a circuit board and a radio frequency connector connected with the circuit board, a heating element is arranged on the circuit board and connected with a first heat dissipation component through a heat sink, and one side, away from the first heat dissipation component, of the circuit board is detachably connected with a cover plate. An installation step is arranged on the surface of the first heat dissipation component and extends to at least one side edge of the first heat dissipation component, the heat sink is arranged in the installation step, and a second heat dissipation component is fixedly connected in the installation step and outside the side edge of the heat sink. The heat sink is arranged on the surface of the heat dissipation component through an open type step structure, the heat dissipation effect is further enhanced, a heating component and a radio frequency load which are prone to damage can be independently pulled out under the condition that a cover plate is not opened, replacement is more convenient, repeated work of secondary melting of welding spots to release stress is avoided, and the service life of the heat sink is prolonged. And the microwave oven is better in safety performance, free of maintenance, long in service life and suitable for microwave generation.

The invention discloses a walking stick chair which comprises a main supporting rod, a seat assembly and a supporting assembly, the seat assembly comprises a sliding seat capable of sliding along the main supporting rod, a first fixing seat is fixedly connected to the main supporting rod, the seat assembly further comprises a main chair plate, a left chair plate and a right chair plate are hinged to the two sides of the main chair plate, and the rear side of the main chair plate is hinged to the first fixing seat; a transmission rod hinged to the main chair plate and the sliding seat is arranged between the front side of the main chair plate and the sliding seat, a sliding sleeve capable of sliding along the transmission rod is arranged on the transmission rod, and a driving rod hinged to the main chair plate and the sliding sleeve is arranged between the middle of the main chair plate and the sliding sleeve. A left linkage piece which is movably connected with the sliding sleeve and the left chair plate and can drive the left chair plate to be folded relative to the main chair plate when the main chair plate is folded is arranged between the sliding sleeve and the left chair plate, and a right linkage piece which is movably connected with the sliding sleeve and the right chair plate and can drive the right chair plate to be folded relative to the main chair plate when the main chair plate is folded is arranged between the sliding sleeve and the right chair plate; a traction piece capable of driving the supporting assembly to be folded is arranged between the sliding base and the supporting assembly. The garment is flexible to fold and unfold.

The invention relates to the field of cutting devices, and discloses a noise reduction cutting device for metal part manufacturing, which comprises two bottom rails, a concave frame capable of sliding to adjust the position is arranged at the tops of the two bottom rails, a transverse moving structure is arranged at the top of the concave frame, and an up-down displacement structure is arranged at the lower end of the transverse moving structure. The lower end of the up-down displacement structure is connected with a laser cutting head, precise positioning of the laser cutting head in the horizontal direction can be achieved through sliding fit of a bottom rail and a concave frame and a transverse movement structure at the top of the concave frame, a second motor drives a first gear to be in meshing transmission with teeth, and the transverse movement distance of a motor sliding table can be precisely controlled. Therefore, the laser cutting head can conduct high-precision cutting on the metal piece according to the preset cutting path, good contour precision can be guaranteed when the metal piece in a complex shape is machined, machining errors are effectively reduced, and the product quality is improved.

The invention provides an unattended control method and system protected by a signal system in a full-automatic mode. Comprising automatic coupling; the coupling is stopped; automatic de-coding is carried out; and stopping decoding. According to the method, coupling and decompilation operation sites are confirmed by identifying map section types and safety conditions, a signal system carries out pre-testing according to the condition meeting condition, and layer-by-layer check is realized with the assistance of monitoring measures, so that the safety and reliability of operation are ensured; the preciseness, safety and flexibility of the operation process are improved and the operation efficiency is improved through pre-testing and operation stopping, the operation cost is effectively reduced, the safety guarantee is improved, and the defect that coupling and de-compiling of flexibly-grouped trains only depend on manual protection is overcome; the system is reasonable in structure, ingenious in design and high in safety, the operation efficiency is effectively improved on the premise that operation safety and reliability are guaranteed, the operation cost can be effectively reduced, the system availability is remarkably improved, operation is flexible, and execution is safe and orderly.

The invention relates to an easy-to-replace marine single-point vibration reduction base which comprises a panel, the upper end face of the panel is matched with an auxiliary equipment base and provided with bolt holes used for being connected with auxiliary equipment, and a vibration reduction pad is laid between the panel and the auxiliary equipment base; the webs are vertically welded to the two sides of the lower end face of the panel to form a supporting structure of the vibration reduction base unit; wherein the face plate and the web plate are connected in a welded mode to form a vibration reduction base unit together, and the vibration reduction base unit is used for supporting and reducing vibration of auxiliary machine equipment. The damping device is compact and reasonable in structure and convenient to operate, the damping performance, the structural strength and the anti-corrosion capacity are remarkably improved by optimizing the structural design of the base, introducing the self-adaptive adjusting supporting device and the reinforcing rib plates and other innovative designs, and meanwhile installation and maintenance are facilitated. The beneficial effects jointly provide powerful guarantee for stable operation of ship power equipment, vibration and noise transmission are reduced, and comfort and invisibility of a ship are improved.

The invention provides a screening device for rice processing, and relates to the technical field of rice processing equipment. The upper end of the side wall of one end of the screening machine box is of an outwards-protruding structure, the top of the outwards-protruding part is provided with an unhulled rice feeding port with the wide upper portion and the narrow lower portion, the unhulled rice feeding port communicates with an inner cavity of the screening machine box, and a horizontal stock bin supporting plate is fixedly arranged in the inner cavity, below the unhulled rice feeding port, of the screening machine box. A separating tongue plate is arranged at the edge of the inner end of the stock bin supporting plate, and a hinged shaft is arranged at the end, close to the stock bin supporting plate, of the separating tongue plate and rotationally connected into the screening machine box; and a feeding shaft is transversely and rotationally mounted at the position, deviating to the separating tongue plate, above the stock bin supporting plate. The rice is easily added into the screening machine box through the rice adding opening and falls on the stock bin supporting plate. After the motor is started, the feeding shaft rotates, and the feeding chute on the feeding wheel picks up the rice from the stock bin supporting plate and stably conveys the rice forwards along the inclined surface. By means of the design, uniform conveying of the rice is guaranteed, and the screening efficiency is greatly improved.

The invention provides an acid and alkali resistant metallic yarn preparation method, which comprises: 1, mixing polyvinylidene fluoride, polyvinylpyrrolidone and a solvent, and carrying out electrostatic spinning to form a PVDF / PVP composite fiber membrane; soaking the PVDF / PVP composite fiber membrane in an aqueous solution, taking out the PVDF / PVP composite fiber membrane after soaking, cleaning and drying to obtain a PVDF fiber membrane with a groove structure; step 2, soaking the PVDF fiber membrane with the groove structure in slurry containing flaky aluminum powder, a cross-linking agent and polyacrylate emulsion, and after soaking is completed, sequentially carrying out rolling and high-temperature drying to obtain a PVDF fiber membrane with an aluminum coating; 3, the PVDF fiber membrane with the aluminum coating is cut into filaments, then a polyester yarn coating layer and a protective coating are sequentially formed on the surface of the PVDF fiber membrane cut into the filaments, and the acid and alkali resistant metallic yarn is obtained. According to the method, the binding strength of the aluminum coating and the fiber membrane is improved, full coating of the aluminum wires is achieved, and the acid and alkali resistance of the metallic yarn fabric in the subsequent dyeing and finishing process is remarkably improved.

The invention relates to the technical field of animal husbandry and veterinary medicine, in particular to a portable animal husbandry and veterinary medicine outdoor postoperative disinfecting and cleaning box which is convenient for outdoor surgical operation and meets the cleaning and disinfecting requirements of outdoor postoperative surgical instruments, and the surgical instruments can be cleaned and disinfected through simple operation. The annular carrying plate can clamp and stabilize the surgical instrument in a self-adaptive mode and is controlled by the driving assembly to rotate, and the surgical instrument is cleaned and killed in all directions through the flushing pipe assembly.

The winding device for mutual inductor production comprises a base and a mounting frame arranged on one side of the upper end face of the base, a wire storage ring is arranged on one side of the mounting frame in a penetrating mode, a groove is formed in the upper end face of the base, a feeding table is movably arranged on the upper end face of the base, and a clamping mechanism used for positioning a rectangular iron core is arranged on the upper end face of the feeding table. A rotating mechanism used for driving the iron core to rotate and wind is arranged on one side in the base, a driving mechanism used for driving the wire storage ring and the feeding table is arranged in the mounting frame and the base, and a controller is further arranged on the upper end face of the base. The device is simple in structure and reasonable in design, achieves the effect of vertically and uniformly winding the enameled wire on the round corner of the rectangular iron core, avoids winding inclination, reduces the winding amount of the enameled wire, saves the production cost, and also improves the electrical performance of the mutual inductor and the stability and reliability in the later application process.

The utility model discloses a desilting device for hydraulic engineering, which belongs to the technical field of desilting devices and comprises a shell and a high-pressure water gun, electric push rods are fixedly mounted at the positions, close to the front side and the rear side, of the upper end of an electric sliding block, and roller assemblies are fixedly connected between the output ends of the upper ends of the electric push rods. Fixing sleeves are fixedly installed at the positions, close to the left side and the right side, of the outer wall of the high-pressure water gun, a lug plate is fixedly connected to the middle of the upper end of the right fixing sleeve, an adapter is fixedly connected to the middle of the lower end of the right upper end roller assembly, and the lug plate and the adapter are rotationally connected; according to the pipeline cleaning device, pushing force can be generated through the propellers, so that the device freely moves in a pipeline, the device can be fixed through the rolling wheel assemblies, shaking in the cleaning process is avoided, and meanwhile sediment in the pipeline can be thoroughly cleaned through impact force of water flow and brushing force of bristles.

The invention relates to the technical field of water conservancy projects, in particular to a water conservancy project sewage filtering device which can effectively intercept and remove suspended impurities and silt in a water body through an impurity blocking mechanism, a locking unit, a vertical pendulum control unit and a scrubbing assembly, so that the filtering efficiency is improved; and all-directional filtering and cleaning of large floating objects, small suspended impurities and silt in a water body are realized.

The utility model relates to an automatic sand blasting device for tubing couplings and pup joints. The automatic sand blasting device comprises a feeding rack, the sand blasting unit comprises a driving rotating part, a driven rotating part, a clamping cylinder and a sand blasting gun; a blanking rack; and a moving unit including a first moving portion and a second moving portion. Compared with the prior art, the oil pipe coupling and short section spraying device enables oil pipe coupling and short section spraying to be more automatic, saves resources, and improves production efficiency.

The invention relates to the technical field of micro motor automatic production, in particular to a micro motor production system which comprises an automatic assembly module, an intelligent detection module, a cooling system and a plurality of transfer robots. The automatic assembly module comprises a first assembly station, a second assembly station, a third assembly station, a fourth assembly station, a fifth assembly station, a sixth assembly station and a seventh assembly station; the automatic assembly module further comprises a plurality of feeding devices. The intelligent detection module is used for carrying out fault detection on the assembled micro motor; and the cooling system is used for cooling the micro motor in the assembling process. According to the invention, automatic production is realized, and the assembly efficiency of parts of the micro motor can be improved; the working state of the motor is monitored in real time; comprehensive understanding of the health condition of the micro motor is enhanced, potential risks can be found in the early stage, safety accidents caused by motor faults are avoided, and production safety and product quality are guaranteed.

The invention discloses a limiting device for sheet metal part welding machining. The limiting device comprises a welding mechanical arm, a welding platform, a mounting base, a driving part, a first limiting part and a second limiting part. The limiting arm is pressed, the limiting arm is kept to deform due to stress, the pressing part is pressed to enter the notch, and the pressing arm is kept to rotate along with the pressing part to be in contact with the sheet metal part. The limiting device for sheet metal part welding machining is compact in structure and ingenious in design. And the fixed second limiting piece and the movable first limiting piece are adopted to achieve limiting treatment on the sheet metal part. And sheet metal parts with different lengths can be positioned, and sheet metal parts with different thicknesses can be positioned. And more air cylinders are not needed to assist in limiting, so that the operation of wire arrangement and pipe arrangement is avoided, the welding platform cannot be disordered, the sheet metal part can be quickly and stably limited on the welding platform through the first limiting piece and the second limiting piece, and the clamping efficiency is further improved.

The invention discloses a manufacturing method of an electric appliance mounting plate. The manufacturing method comprises the following steps: step 1, processing parts; step 2, cleaning operation; step 3, spraying; and 4, packaging and warehousing. In the workpiece manufacturing process, the workpiece is soaked and cleaned, impurities on the surface of the workpiece are effectively removed, the final workpiece quality is improved, in the soaking and cleaning process, the workpiece is subjected to secondary soaking and cleaning, deep cleaning is achieved, the cleaning effect is effectively improved, the overall quality and reliability of the workpiece are improved, and in the soaking and cleaning process, the cleaning efficiency is improved. In the process of transferring the workpieces from the first soaking tank to the second soaking tank and transferring the workpieces from the second soaking tank to the discharging table, the whole operation automation degree is high, the working efficiency is effectively improved, the workpieces are placed in order through the workpiece placing frame, it is guaranteed that the workpieces cannot be stacked and extruded in the soaking process, and the soaking effect is effectively guaranteed.

The invention discloses an adjustment method for a flat-lying automobile seat, comprising two bases, which are mounted on a vehicle frame, and are provided with a slide groove and a stop block, and the two bases are fixedly connected by two connecting rods; the lower end of the connecting frame is hingedly connected to the base, and the upper end of the connecting frame is hingedly connected to a seat frame; the invention adopts the cooperation of a ratchet and a pawl to realize unidirectional rotation of a seat back frame, and the seat back frame can be adjusted to any angle; the invention utilizes the function of a ratchet cover and a pawl so that the seat back frame can also be adjusted to any angle during the rotation process; the invention utilizes the linkage function of a connecting frame, a slider, a connecting rod, a seat back frame, and a seat frame, so that the seat frame can move forward and move downward at the same time, and can flip backward and slide forward at the same time; therefore, the seat can make full use of the front space, reduce the occupation of the rear space, and greatly improve the comfort and functionality of the automobile seat.

The invention provides a preparation method of 4-oxa-7-azaspiro [2.5] octane and salt thereof, which is simple and convenient to operate, mild in condition, lower in equipment requirement, easily available in raw materials and higher in yield, and is suitable for industrial application. # imgabs0 #

The invention relates to an automatic injection pen which comprises a lower pen shell pre-assembly module and an upper pen shell pre-assembly module, and a pre-filling syringe is installed in the automatic injection pen. The lower pen shell pre-assembling module comprises three parts, namely a lower pen shell, a pen cap and an excitation sleeve; the upper pen shell pre-assembly module comprises an upper pen shell, a push rod, an injection spring, a safety pin, a retraction sleeve, an injection spring support, a needle retracting spring base, a needle retracting spring and eight parts. The pen cap is connected with the bottom of the lower pen shell, the lower pen shell is connected with the upper pen shell, and a mounting cavity for other parts is formed in the lower pen shell. The automatic injection pen can effectively guarantee the safety of the storage and transportation process of products, and is convenient to use and operate.

The utility model provides a cab seat which is characterized in that the cab seat comprises a seat body and a rotating mechanism, a base is arranged at the bottom of the seat body, and the seat body is fixed in a cab through the base; the rotating mechanism is arranged between the seat body and the base and used for controlling the seat body to rotate, the rotating mechanism comprises a first fixing plate, a second fixing plate, a positioning disc fixed to the second fixing plate and an adjusting handle arranged on the first fixing plate, and a plurality of positioning grooves are formed in the edge of the positioning disc; a limiting shaft clamped in the positioning groove is arranged at one end of the adjusting handle; the first fixing plate is rotationally arranged relative to the second fixing plate, the positioning disc is arranged above the first fixing plate, the adjusting handle is controlled to enable the limiting shaft to retreat from the positioning groove, and after the seat body rotates to a designated position, the adjusting handle is controlled to enable the limiting shaft to be clamped into the corresponding positioning groove, so that the seat body is locked. A driver can adjust the rotation angle of the seat, so that the driver is in the best rest posture in a cab.

The utility model discloses a grabbing, shearing and twisting integrated fruit and vegetable picking actuator which comprises a cylindrical shell, the axial direction of the cylindrical shell faces the direction of fruits and vegetables to be picked, and the direction of the fruits and vegetables to be picked is the forward direction. The rear end of the cylindrical shell is closed and the front end is provided with an opening; an axial movement mechanism is arranged at the middle rear part of the cylindrical shell, and a circumferential movement mechanism matched with the axial movement mechanism is arranged at the middle front part of the cylindrical shell; the axial movement mechanism is used for driving the upper clamping jaw and the lower clamping jaw to close or open through the upper connecting rod hinging mechanism and the lower connecting rod hinging mechanism; the circumferential movement mechanism is used for driving the upper clamping jaw and the lower clamping jaw to rotate under the driving of the circumferential movement mechanism so as to twist off and cut off possible still connected parts of the stem; the closing action of the upper clamping jaw and the lower clamping jaw is the grabbing action of grabbing fruits and vegetables, the action of inserting the blade into the blade groove is the cutting action, and the grabbing action and the cutting action are two-in-one synchronous actions.

The riveting machine for clutch assembling comprises a riveting machine body, a workpiece containing table is correspondingly arranged at the top end of a working table plate on the lower portion of the riveting machine body, and center holes allowing a movable column sleeve to penetrate in a sliding mode are correspondingly formed in the middle of the workpiece containing table and the middle of the working table plate. The movable column sleeve vertically slides and penetrates through the workpiece placing table and the working table plate, and the movable column sleeve synchronously ascends and descends along with a riveting punch of the riveting machine main body; a to-be-riveted workpiece is correspondingly placed at the top of the workpiece placing table, and the to-be-riveted workpiece is correspondingly arranged on the outer side of the movable column sleeve in a sleeving mode; a pressing and ejecting assembly is correspondingly arranged in the movable column sleeve, and when the movable column sleeve moves downwards along with the riveting punch, the workpiece to be riveted can be pressed and fixed. According to the automatic riveting device, a workpiece can be automatically pressed, the workpiece is ejected out after riveting is completed, discharging is convenient, workers do not need to manually press the workpiece in the process, the riveting machining efficiency is effectively improved, the safety risk is reduced, and the automatic riveting device is quite flexible and convenient to use integrally and high in practicability.

The invention discloses a carrier logistics transfer device and a transfer method, and belongs to the field of display panel production.The carrier logistics transfer device comprises a guide rail module, a detection station, a feeding mover, a carrier backflow mover, a feeding and discharging module and a discharging module, the feeding mover is slidably connected to one side of the guide rail module and used for conveying a carrier bearing a to-be-detected display panel, and the detection station is connected to the other side of the guide rail module; the carrier backflow rotor is connected to the other side of the guide rail module in a sliding mode and used for recycling the unloaded carrier, and the discharging module is used for receiving the carrier bearing the detected display panel, separating the detected display panel from the carrier and further used for transferring the detected display panel and transferring the unloaded carrier to the carrier backflow rotor. The feeding and discharging module is connected to the guide rail module in a sliding mode and used for transferring a carrier conveyed by the feeding rotor to the detection station and further used for transferring the carrier on the detection station to the discharging module. The device is compact in structure, the transfer method is high in circulation efficiency, and finished product detection of the display panel can be completed with the assistance of low time cost and equipment cost.

The invention discloses a ship lift accident safety mechanism thread pair gap detection device and method. The device mainly comprises a laser gap detection assembly and a via hole electric slip ring assembly. The laser gap detection assembly comprises a hoop, the hoop is mounted on the spherical trunnion, a spiral support supporting surface is mounted at the upper end of the hoop, a plurality of laser sensors are mounted on the spiral support supporting surface, and the plurality of laser sensors are spirally distributed and have the same lead angle as the safety screw; the plurality of laser sensors emit laser in the radial direction of the spherical trunnion, and the laser is vertically emitted to the nut column 1; the via hole electric slip ring assembly comprises a stator and a rotor. The lower end of the stator is mounted on the upper guide frame, the rotor is mounted on the spherical trunnion, a conducting ring is embedded in the rotor, an electric brush is embedded in the stator, and the conducting ring is in contact with the brush; the via hole electric slip ring assembly is used for supplying power to the laser sensor; meanwhile, the via hole electric slip ring assembly transmits data detected by the laser sensor to the PLC. According to the ship lift accident safety mechanism thread pair gap detection device and method, real-time detection of the thread pair gap can be achieved.

The utility model discloses a multi-station detection mechanism, which comprises a detection frame and a plurality of detection assemblies, the plurality of detection assemblies are arranged on the detection frame at intervals along the circumferential direction, each detection assembly comprises a conveying unit, a bearing seat and a detection unit, and the conveying unit is provided with a material taking station and a detection station. The bearing seat is used for bearing and fixing a to-be-detected air pipe, the conveying unit is used for driving the bearing seat to reciprocate between a material taking station and a detection station, and the detection unit is used for carrying out airtightness detection on the air pipe; when the multi-station detection mechanism works, the plurality of conveying units sequentially take the to-be-detected air pipes on the bearing seats from the material taking station and then convey the to-be-detected air pipes to the detection station, and each detection unit performs airtightness detection on the air pipes on the corresponding bearing seats at the detection station, so that the multi-station detection mechanism is ingenious in design, compact in structure and high in detection efficiency. And the multiple detection assemblies work in sequence, the detection efficiency is high, the detection effect is good, and the fast-paced production requirement is met.

The utility model discloses an oyster breeding platform driven by wave energy, which comprises a platform body (1), and is characterized in that the platform body (1) comprises a plurality of hollow shells (2) which are parallel to one another, the adjacent hollow shells (2) are connected through a plurality of cross beams (3), a plurality of groups of support frames (4) are arranged on the platform body (1), a rotating cage (5) is rotatably supported on the support frames (4), and the rotating cage (5) is connected with the hollow shells (2) through the cross beams (3). The platform body (1) is further provided with a plurality of Solter type nodding duck mechanisms (6), the output end of each Solter type nodding duck mechanism (6) is connected with a rotating shaft of one rotating cage (5) through a belt wheel transmission pair, and the four corners of the platform body (1) are further connected with floating barrels (8) through ropes (7) respectively.

The invention relates to the technical field of medical instruments, in particular to a flexibly-used multi-branch intravascular stent which comprises a stent body and a blood vessel bridle, the stent body comprises a first main blood vessel, a second main blood vessel, a first branch, a second branch, a third branch, a fourth branch and a supporting ring, and an opening in the upper end of the first branch is a free movable end; an upper port of the second branch is a free movable port, an upper port of the third branch is a free movable port, one end of the fourth branch is a free movable port, and a near-end opening of the first main blood vessel is a free movable end; the far end of the first main blood vessel is communicated with the near end of the second main blood vessel; a flange edge is annularly arranged on the outer side wall of the far end of the first main blood vessel, and a supporting ring is annularly arranged on the outer side wall of the near end of the second main blood vessel. By means of operation, the time of profound hypothermia circulation arrest is greatly shortened, brain damage and organ damage to a patient are reduced, the application range of the intravascular stent assembly is expanded, and the intravascular stent assembly can be better matched with branch blood vessels of the patient.

The invention relates to the technical field of photovoltaic power generation, and particularly discloses a self-cleaning type solar photovoltaic panel which comprises a photovoltaic panel frame rotationally arranged on a support assembly, a photovoltaic panel is arranged in the photovoltaic panel frame, a cleaning mechanism located above the photovoltaic panel is arranged in the photovoltaic panel frame, and the cleaning mechanism comprises a movable strip seat and a corrugated telescopic pipe. Sliding guide mechanisms are arranged between the two ends of the movable strip base and side strips on the photovoltaic panel frame, elastic pieces are arranged in the sliding guide mechanisms, a flexible brush strip is arranged at the lower end of the movable strip base, and a flushing mechanism and a scraping and sweeping mechanism are arranged in the positions, located on the two sides of the flexible brush strip, of the movable strip base respectively. According to the self-cleaning type solar photovoltaic panel, the manufacturing and operation cost is reduced, the whole cleaning mechanism is ingenious in design and can be combined with the telescopic process of the corrugated telescopic pipe, effective cleaning of the surface of the photovoltaic panel is achieved, and the photoelectric conversion efficiency of long-term operation of the photovoltaic panel is guaranteed.