53results about How to "Increase inner diameter" patented technology

The invention provides an aspiration catheter which comprises a catheter body and a tip portion located at the distal end of the catheter body, the tip portion is provided with at least one expandable assembly, and the expandable assembly is configured to be expandable outwards in the radial direction of the aspiration catheter, so that the cross-sectional area of the tip portion is increased. According to the aspiration catheter, the expandable assembly is arranged at the far end of the aspiration catheter, the expandable assembly can expand outwards in the radial direction to increase the inner diameter of the tip part when thrombus is aspirated, the cross sectional area of the tip part is also increased, and therefore the aspiration force of the aspiration catheter on the thrombus can be effectively increased.

The invention discloses an intelligent crankshaft machining machine tool, and relates to the technical field of crankshaft multi-station machining. Grooving and mounting are integrated, machining of different steps is achieved through station switching, the problem that time is wasted due to continuous switching of workpieces is solved, the machining efficiency is improved, multiple gears are mounted outside a crankshaft at a time through the multi-gear mounting mechanism, the multiple gears are heated, cooled and mounted at the same time, and the machining efficiency is improved. Batched heating, cooling and mounting are not needed, the mounting efficiency of the multi-gear crankshaft is greatly improved, the gears are automatically rotated, the clamping grooves of the gears are in butt joint with the protrusions, the positions of the clamping grooves do not need to be manually adjusted when the gears are placed, the adjusting time is shortened through automatic adjustment, the mounting efficiency is improved, and the mounting efficiency is improved. The gear is heated before being mounted, the inner diameter of the gear is increased, butt joint mounting of the gear is facilitated, and the problem that mounting is difficult due to slight dislocation during automatic butt joint is solved.

The utility model relates to an electromagnetic valve, an air spring, an air suspension and a vehicle. The electromagnetic valve comprises a valve body, a valve port and a plug, wherein the valve body and the valve port are fixed in a spaced mode, and the plug is arranged between the valve body and the valve port and can move in a reciprocating mode to open or close the valve port. The electromagnetic valve further comprises a damping spring, the damping spring is located between the valve body and the plug, and the damping spring is used for reducing impact in the process that the plug slides towards the valve body. According to the electromagnetic valve, the damping spring is arranged between the valve body and the plug, so that when the plug slides towards the valve body, the impact of the plug on the valve body is absorbed through the damping spring, noise generated in the valve opening process of the electromagnetic valve is reduced, and the use experience of a user is improved.

The invention discloses a processing method of a slag discharge port of a pulverized coal gasification furnace and an anti-blocking structure of the slag discharge port. The processing method comprises the following steps: step A, cutting off the inner wall of the slag discharge port through a cutting machine; b, a nickel-based steel plate smaller than a cut object is welded to the inner wall of the slag discharging opening to form a sealing layer for the inner wall of the slag discharging opening, so that the inner diameter of the slag discharging opening is enlarged to 1100-1200 mm; c, the surface of the nickel-based steel plate is polished to be kept smooth; by cutting off the inner wall of the slag discharging opening and enlarging the inner diameter of the slag discharging opening, the risk of slag blocking during slag discharging of the gasification furnace is avoided, stable operation of the gasification furnace is guaranteed, by arranging an installation ring block, a first protruding block, a dredging assembly, a transmission assembly and a driving assembly, the device can conduct automatic dredging so as to guarantee the good slag discharging effect, the structure is simple, operation is stable, and practicability is high. And the manual labor cost is reduced.

The invention provides an endoscope which comprises a main body and a photoelectric component, the main body comprises a first shell and a tube body, a mounting cavity is formed in the first shell, the tube body is connected to the front end of the first shell, and the interior of the tube body is communicated with the mounting cavity; the photoelectric assembly comprises a mounting box and an imaging unit connected to the mounting box, the mounting box is arranged in the mounting cavity, the imaging unit is arranged in the tube body, the mounting box comprises a housing, a connecting seat and an elastic part, a sealing cavity is formed in the housing, and a mounting hole is formed in the side wall of the housing; the connecting seat is arranged in the sealing cavity, and the outer wall of the connecting seat is in sealing connection with the mounting hole; the elastic piece is arranged in the sealing cavity, and the elastic piece is connected between the inner wall, facing the mounting hole, of the housing and the connecting base in an abutting mode. The invention is used for solving the technical problem that the photoelectric component in the endoscope is difficult to reuse.

The utility model relates to an airtight clamp. The airtight clamp comprises a clamp body and a pressurizing sealing ring, the clamp body comprises a pipe through hole which penetrates through the two ends of the clamp body and is used for a test sample to penetrate, and a positioning boss is arranged on the hole wall of the pipe through hole in a protruding mode and used for being matched with the test sample in an abutting mode. The pressurizing sealing ring is arranged in the pipe through hole and used for being arranged on the test sample in a sleeving mode, and the pressurizing sealing ring has a pressurizing state in which the pressurizing sealing ring expands in the radial direction after pressurizing and a shrinking state in which the pressurizing sealing ring shrinks in the radial direction after pressure relief. The airtight clamp is convenient to operate and good in sealing effect.

The present invention discloses a video cable external ventilation catheter, comprising a bronchial catheter or a tracheal catheter, a video cable and a video catheter connecting mechanism. The video catheter connecting mechanism is provided with a video connecting mechanism that can temporarily lock the position of the rear section of the video cable. By loosening the video catheter connecting mechanism, the tail of the video cable can be manipulated to make the video cable move forward, backward or rotate independently. The video catheter connecting mechanism is also provided with a catheter connecting mechanism and a ventilation catheter (bronchial catheter or tracheal catheter) that is movably connected, which can temporarily lock the position of a correctly assembled ventilation catheter. By loosening the catheter connecting mechanism, the video catheter connecting mechanism can be manipulated to separate from the ventilation catheter. The video cable external ventilation catheter provided by the present invention can make full use of the space in the patient's trachea, reduce the occupation of the ventilation cavity by the video cable, reduce the airway pressure of ventilation, can adjust the video cable to inspect and position at different depths in the airway, has a simple structure and wide applicability.

The invention relates to a sulfur isotope detection device system and method for organic sulfides in natural gas, impurities in the natural gas are removed through a preset chemical trap and a hydrogen sulfide adsorption trap coupled with a heating device for use, and the effective enrichment space of the organic sulfides in a cold trap is prevented from being occupied; two stages of cold traps are adopted, so that organic sulfides can be effectively enriched and detected and analyzed; the sulfur isotope detection device system is high in reliability, high in automation degree and easy to operate, sulfur isotope detection and analysis are carried out by combining a chromatography-stable isotope mass spectrometer, and a new way is provided for researching causes, sources and generation mechanisms of sulfur-containing natural gas.

This patent discloses an experimental feeding funnel, comprising: an inlet, a central feeding channel, and an outlet; the inlet is located at the upper end of the experimental feeding funnel; the outlet is located at the lower end of the experimental feeding funnel; the central feeding channel is a Venturi tube structure; the inner diameter of the central feeding channel is smaller than the inner diameters of the inlet and outlet; the inner diameter of the outlet is less than or equal to the inner diameter of the inlet; the outlet of the experimental feeding funnel is fitted onto the mouth of a suitable container for direct or indirect heating experiments for feeding. The experimental feeding funnel provided by this patent is easy to disassemble and clean, meeting both the experimental research needs of natural fragrance raw material extraction and the requirements of large-scale production. It solves the problems of clogging and inability to properly feed large-particle natural fragrance raw materials. The yield of finished fragrance products for tobacco extraction using this experimental feeding funnel is high, reducing waste of natural fragrance raw materials and environmental pollution.

The present invention belongs to the technical field of metal blank grinding, and discloses a device for grinding and processing the sharp part of a metal blank, comprising a base, a clamping device installed on the base, a limit assembly, the limit assembly is fixedly mounted on the base, and a grinding assembly, the grinding assembly is arranged inside the limit assembly. The present invention grinds the side edge of the end face of a metal cylindrical blank by rotating a grinding sheet, and the first transmission wheel drives the fixed plate and the guide wheel to rotate during the rotation process, and the guide wheel performs a circular motion along the side of the fixed ring, and the side edge of the end face of the metal cylindrical blank is alternately grinded by six cleaning plates and grinding sheets, and the discharge of grinding dust can be facilitated by alternating grinding, and the problem of grinding dust being difficult to discharge between the grinding sheet and the metal blank due to the long-term contact between the grinding sheet and the metal blank is avoided, and the service life of the grinding sheet can be increased by alternating grinding.

The stacked coil component of the present invention comprises a body, a first coil and a second coil, and a pair of external electrodes. The body is formed by stacking a plurality of insulating layers in a first direction. The body has a pair of end faces opposite to each other in a second direction orthogonal to the first direction. The first coil and the second coil are arranged in the body, and each has a coil axis along the second direction. A pair of external electrodes are arranged on a pair of end faces and electrically connected to both ends of the first coil and the second coil. The first coil has a first conductor layer, a second conductor layer and a first through-hole conductor. The first through-hole conductor extends in the first direction, connecting the first conductor layer and the second conductor layer. The second coil has a third conductor layer, a fourth conductor layer and a second through-hole conductor. The second through-hole conductor extends in the first direction, connecting the third conductor layer and the fourth conductor layer. The coil axis of the first coil is arranged on the inner side of the second coil. The first conductor layer and the third conductor layer are separated from each other in the first direction, and the first conductor layer and the third conductor layer are crossed when viewed from the first direction.

The application discloses a method for guaranteeing the concentricity of a rotary tank, and belongs to the technical field of rotary tank preparation. The method comprises three key procedures: firstly, the ellipticity of an inner cylinder is guaranteed by supporting the cylinder through a supporting round tool, and the straightness of the inner cylinder is guaranteed; then, the concentricity of a jacket cylinder and the inner cylinder is guaranteed by controlling the welding operation of the jacket cylinder and a blocking plate; finally, the concentricity of a head, a central shaft and the cylinder is guaranteed by real-time detection of the concentricity of the workpieces to be connected during assembly and real-time adjustment, and the concentricity of a rolling ring pad plate, a gear ring flange and the cylinder is guaranteed, so that the finally manufactured rotary tank has high-precision concentricity. The specific structure of the supporting round tool is provided, and a better supporting round effect can be achieved; a laser centering instrument for detecting the concentricity of the cylinder and the head and a concentricity adjusting device for real-time adjustment are provided, the position and the offset amount of the maximum head offset can be determined, based on which, the adjusting device can be adjusted in a targeted manner, and the adjusting distance is the shortest.

The present invention relates to a composition for lowering blood sugar, blood lipid and blood pressure and a preparation method thereof, belonging to the field of biotechnology, and the composition comprises a Cyclocarya paliurus flower extract, a chicken heart extract, a mandarin fish head extract and a Gracilaria extract; the Cyclocarya paliurus flower extract is obtained by enzymolysis of Cyclocarya paliurus flower by hemicellulase and bromelain, and then by ficin; the chicken heart extract is obtained by graded enzymolysis of chicken heart by pepsin and subtilisin; the mandarin fish head extract is obtained by fermenting mandarin fish head by Aspergillus niger, and then by trypsin; the Gracilaria extract is obtained by graded enzymolysis of Gracilaria by acid protease and trypsin. The composition has good effects of lowering blood sugar, blood lipid and blood pressure, can be used for preventing and treating cardiovascular and cerebrovascular diseases, softening blood vessels, improving microcirculation, reducing three high symptoms, and has no toxic side effects.

The present invention relates to a partition welding method, which belongs to the field of welding technology, and includes the following steps: preparing tooling; assembling an outer ring plate, an inner ring plate and blades; a red sleeve positioning sleeve; welding; welding a cover plate; welding a radial steam seal body; heat treatment; removing the cover plate and the positioning sleeve; separating the partition along the center dividing surface; performing surfacing welding on the center dividing surface; post-heat treatment and the like. The present invention welds two semicircular partitions together to obtain a partition with better integrity, avoids error accumulation caused by separate welding, and has a higher matching accuracy after being installed in a steam turbine. The present invention uses a positioning sleeve to position the two semicircular outer ring plate bodies, so that the outer ring plate bodies are tightly spliced ​​together as a whole, with better integrity, and the outer ring plate is not easily deformed during the welding process. When welding the radial steam seal ring, the cover plate is used to completely cover the blade to effectively prevent welding slag from splashing onto the blade surface and causing damage to the blade.

This utility model belongs to the field of pipe processing, specifically a grinding device for the inner wall of automotive pipes. It includes a worktable with a motor fixed to its top. A grinding shaft is installed at the output end of the motor, and a groove is formed on the grinding shaft. Multiple supports are slidably connected inside the groove, and grinding blocks are mounted on the supports. A movable seat is located in the middle of the groove, and a connecting rod is hinged to the surface of the movable seat at a corresponding position on the support. In use, the grinding block is mounted on the support, which can slide within the groove. Rotating the adjusting screw causes the movable seat to move due to the thread action of the screw and the threaded sleeve. A connecting rod is hinged between the movable seat and the support, pushing the grinding block to extend. This improves the fit to the inner diameter of the pipe, broadens its applicability, and facilitates use.

The invention belongs to the technical field of wire rolling, and particularly relates to a wire rolling waste box which comprises a main body mechanism, a water tank is fixedly connected to the top of the main body mechanism, cooling pipes are evenly arranged on the outer wall of the water tank, a mounting groove is fixedly connected to the top of the main body mechanism, and the outer walls of the cooling pipes are fixedly connected with the outer wall of the water tank. The end, away from the water tank, of the cooling pipe is fixedly connected with the outer wall of the adjusting mechanism. The wire rod rolling waste box further comprises an adjusting mechanism, and the outer wall of the adjusting mechanism is fixedly connected with the inner wall of the mounting groove. By arranging the adjusting mechanism, the situation that scraps are accumulated in the limiting assembly, consequently, the adjusting assembly is clamped, and adjustment of the inner diameter is affected is reduced; and the wire rods with smaller diameter difference range can share one group of guide grooves, so that the replacement frequency is reduced, and the frequent occurrence of steel piling accidents caused by precision deviation during replacement and installation is avoided.

The utility model relates to an exposed injection lead screw assembly and an injection molding machine thereof, the exposed injection lead screw assembly comprises a lead screw and a lead screw nut, the driving end of the lead screw is inserted into a bearing, and a grease injection hole penetrating through the inner side and the outer side is formed in the lead screw nut; the grease injection hole is filled with grease; the bearing is wrapped in a closed oil cavity, and the oil cavity is filled with lubricating oil. By the adoption of the design of the exposed lead screw, only the bearing part is lubricated through the closed oil cavity, the requirement for high-precision sealing is greatly reduced, and a complex cylinder barrel sealing structure in traditional oil immersion lubrication is avoided. Therefore, the processing and assembling difficulty is reduced, and the risk of lubricating oil leakage caused by sealing failure is reduced, so that the manufacturing cost and the maintenance cost are reduced.

The invention relates to the technical field of building drainage, and discloses an anti-blocking hidden building drainage pipeline which comprises an embedded mounting box and an elastic pipeline arranged in the embedded mounting box, the top end of the elastic pipeline communicates with a water inlet connector, and the water inlet connector penetrates through the top wall of the embedded mounting box; a plurality of adjusting plates are arranged on the outer side of the elastic pipeline; when impurities block the interior of the elastic pipeline, the multiple adjusting plates can be driven to get close to one another through the adjusting assembly, so that the elastic pipeline is extruded, the inner diameter of the elastic pipeline is reduced, the impurities blocked in the elastic pipeline are compressed, and after compression is carried out for a period of time, the impurities in the elastic pipeline are removed. And then the multiple adjusting plates are driven by the adjusting assembly to be away from each other, so that the inner diameter of the elastic pipeline is increased, a gap is formed between the impurities and the inner wall of the elastic pipeline, then the impurities in the elastic pipeline can be discharged downwards under the action of water flow, and therefore the drainage pipeline is prevented from being blocked.

The integrated gas stripping tank comprises a tank body, a cooling cavity and a separation cavity are formed in the tank body, the separation cavity is located below the cooling cavity and is not communicated with the cooling cavity, and a gas pipe for guiding separated gas out of the separation cavity is arranged in the cooling cavity in a penetrating mode; a gas-liquid mixing inlet and a drain outlet which are communicated with the separation cavity are formed in the bottom wall of the tank body, and a flow guide pipe communicated with the gas-liquid mixing inlet is arranged in the tank body; an overflow port communicated with the separation cavity is formed in the outer wall of the tank body, the overflow port is formed in the side, close to the cooling cavity, of the separation cavity, and a pressure stabilizing liquid sealing pipe communicated with the overflow port is arranged in the tank body; a cold air inlet is formed in the outer wall of the side, away from the separation cavity, of the cooling cavity of the tank. The gas separation system has the advantages that extraction, pressure stabilization and cooling of the gas separation system are integrated, so that the gas separation system is easy to install and small in occupied space, and the possibility that sample gas at an outlet carries water potentially is eliminated as far as possible while the uniformity of all steps of gas separation is guaranteed.

The invention relates to a sealing protection device and method for an intermediate joint of a cable line, the device comprises a metal glue injection port seat, a first O-shaped sealing ring, a metal sealing cover, a second O-shaped sealing ring, a metal clamping buckle and a sealing rubber cap, and the metal glue injection port seat comprises a bottom connecting wall and a top fixing block; a bottom groove is formed among the bottom of the top fixing block, the bottom connecting wall and the copper shell body. The top surface of the top fixing block is provided with a first sealing ring groove used for installing a first O-shaped sealing ring. A cavity between the metal glue injection port seat and the glue injection port and a cavity between the first O-shaped sealing ring and the first sealing ring groove are filled with the metal sealing covers respectively; a second sealing ring groove for mounting a second O-shaped sealing ring is formed in the outer wall of the bottom of the first sealing ring; the metal clamping buckle is connected with the metal sealing cover and is detachably fixed in the bottom groove; and the sealing rubber cap covers the outer side of the whole structure. Compared with the prior art, the cable has the advantages of firm mechanical performance, good sealing and waterproof performance and the like.

The utility model discloses a clamping jaw mechanism of a gear ring sand core, which comprises a hanging component, the hanging component comprises a bottom hook and a vertical rod which are integrally connected in sequence from bottom to top, an included angle is formed between the bottom hook and the vertical rod, and the bottom hook can hook the bottom of the sand core; guide sleeves are integrally connected to the two sides of the top of the vertical rod correspondingly, the guide rods can movably penetrate through the guide sleeves, and the axis direction of the guide sleeves is parallel to the extending direction of the bottom hook; the top of the vertical rod is further provided with a concave U-shaped notch, and the U-shaped notch can be assembled with the linear power piece. The at least two hanging components are arranged in a mirror symmetry mode. The sand core taking and placing device is specially used for taking and placing sand cores. And the guide sleeve is beneficial to linear guide during movement of the hanging component. The U-shaped notch is beneficial to quick disassembly, assembly, clamping and limiting of the hanging component and the linear power piece, and the linear power piece drives the hanging component to make contact with or be separated from the sand core.

The utility model provides a kind of multi-angle adjusting's robot spraying device, it is related to spraying device technical field, and it includes: fixed base;The top end surface of the fixed base is provided with rotary seat;The top end surface of rotary seat is rotatably connected with first rotary arm;The upper portion of first rotary arm is rotatably connected with second rotary arm;Second rotary arm is provided with inlet paint pipe inside;The end of second rotary arm is hingedly connected with spraying head;The feed inlet of spraying head is connected with inlet paint pipe.It is blocked to splashed paint by annular baffle cover, and it is recycled to filter tank by inlet paint pipe by starting control fan, and after filtering and purifying by metal screen and activated carbon adsorption plate, it is recycled, it is convenient to recycle filtered paint, solve the problem that splashed paint will adhere to equipment surface, workshop wall and ground, these paints will form hard paint film after drying and solidification, cause pollution to surrounding environment.

The utility model relates to the technical field of water mist sprayers, in particular to an industrial fire-fighting water mist sprayer which comprises a threaded sleeve, a sprayer body is arranged on the threaded sleeve in a communicated mode, a plurality of mounting holes are formed in the sprayer body, nozzles are arranged in the mounting holes, the nozzles are fixed through a fixing mechanism, and the fixing mechanism is arranged on the threaded sleeve. Elastic sleeves are fixedly connected into the multiple nozzles, cavities are formed in the multiple elastic sleeves, and the cavities are adjusted through an adjusting mechanism. According to the utility model, the inner diameter of the spray hole can be adjusted, and blocked objects can be discharged, so that the spray head can be conveniently maintained.

The application provides a clamp valve, wherein the main body comprises a clamp valve sleeve and an end cover, the clamp valve sleeve is provided with a positioning part, and a clamp groove for placing a pipeline is formed in the side part of the clamp valve sleeve; a pressure head is drivingly connected with a driving member and is movable in the clamp valve sleeve under the driving of the driving member, the pressure head is jointly extruded with the positioning part to extrude the pipeline when moving towards the positioning part; the protective cover comprises a rotating part, a shielding part and a limiting part which are sequentially arranged, the limiting part is rotatably connected with the clamp valve sleeve, the limiting part is provided with an elastic opening with an adjustable inner diameter size, and the elastic opening is detachably clamped with the clamp valve sleeve; when the protective cover is rotated to clamp the elastic opening with the clamp valve sleeve, the shielding part shields the notch of the clamp groove; after the elastic opening is separated from the clamp valve sleeve, the protective cover can be rotated to the shielding part to avoid the notch of the clamp groove. The clamp valve provided by the application avoids the pipeline from falling off from the notch of the mounting groove of the clamp valve, prevents foreign matters from entering the clamp valve from the notch of the mounting groove and clamps the hands of the operating personnel.

The application discloses an intelligent ring, which comprises a ring body and an adjusting mechanism, wherein the ring body is arranged in an open loop mode; the adjusting mechanism comprises a cover plate movably connected between two ends of the open loop of the ring body, a trigger member in clamping cooperation with the cover plate, and a spring opening assembly in transmission connection with the cover plate; the cover plate has a clamping state in clamping cooperation with the trigger member and a disengagement state in disengagement from the trigger member; in the clamping state, the cover plate is located between the two ends of the open loop and compresses the spring opening assembly; in the disengagement state, the spring opening assembly pops the cover plate out from between the two ends of the open loop to the radial outside of the ring body, and the two ends of the open loop can be pulled apart under the action of an external force; wherein when the trigger member is triggered, the cover plate is switched from the clamping state to the disengagement state. The technical scheme of the application can facilitate the user to take off and wear the ring, and improve the user experience.

The invention discloses temporary filling equipment for the inner diameter of a ring and an application method of the temporary filling equipment, and belongs to the technical field of jewelry repair, a ring can be stably fixed by a special ring bracket and a clamping pad of the equipment, and smooth implementation of shadowless glue brushing and ultraviolet curing processes is ensured. By means of the design, an operator can easily control the position and angle of the ring, the accuracy and uniformity of the filling effect are improved, shadowless glue is used as a filling material, good flexibility and adhesive force are achieved, no trace is left or attractiveness is affected after curing, and the original appearance of the ring is kept. And the filled surface is smooth and flat, the appearance quality is improved, and aesthetic requirements are met. Generally speaking, the finger ring size adjusting process is simplified, the operation efficiency and accuracy are improved, meanwhile, the attractiveness and the appearance quality are kept, and the finger ring size adjusting method has wide market prospects and commercial value in practical application.

The utility model discloses an internal arteriovenous fistula internal diameter monitoring and protecting device which comprises a controller and a multifunctional cuff, and the controller is composed of a bandage, a hook-and-loop fastener, a plastic shell, a power button, a touch display screen, a charging interface, an air path interface, a circuit interface, a lithium battery, a single-chip microcomputer, an audio output module, a linear motor, a miniature air pump and a miniature electromagnetic valve. The multifunctional oversleeve is composed of an oversleeve body, a hook-and-loop fastener, an air channel connecting pipe, a circuit connecting pipe, an air bag, an MEMS ultrasonic patch, a flexible film temperature sensor and a graphene far infrared patch, and the circuit connecting pipe and the air channel connecting pipe of the multifunctional cuff are connected with a circuit interface and an air channel interface of the controller respectively. The pressure applied to the internal arteriovenous fistula is adjusted by detecting the inner diameter of the internal arteriovenous fistula, and meanwhile, the internal arteriovenous fistula is irradiated by infrared rays, so that the internal arteriovenous fistula can be monitored and maintained for a long time, and the formation of internal arteriovenous fistula aneurysm is prevented and treated.

The application discloses a kind of protection support devices for tree transplanting, it is related to tree protection support technical field, comprising: adaptive support unit: by anchoring component, fixed limiting component and support component are constituted, by telescopic gas cylinder monitoring tree trunk diameter variation, trigger pneumatic cylinder to release limit, realize the step-by-step adjustment of support inner diameter;Dynamic wind resistance system: based on tree inclination angle, directional water injection counterweight of counterweight box is driven using air pressure, enhance local overturning moment resistance;Intelligent maintenance system: integrated temperature and humidity detector and water storage tank, realize automatic irrigation in dry season, water storage counterweight in rainy season, the device breaks the restraint of rigid support on tree growth, wind resistance stability is improved, reduce artificial maintenance cost, suitable for a variety of different kinds of tree transplanting protection, can guarantee that tree grows stably, safely and healthily under harsh environment.

This utility model relates to the field of medical testing technology and aims to solve the problems of low information signing efficiency, high labor and time costs, and easy introduction of errors in the existing technology of manually entering sample information into the system. The utility model provides a sample ring, which is a ring-shaped structure used to fit over a sample tube. The sample ring has a built-in NFC chip that stores sample information data. The NFC chip is used to cooperate with an NFC device, enabling the NFC device to read the data in the NFC chip and sign for the sample information. This utility model uses an NFC chip to store sample information, accurately recording the sample information. When the NFC chip is brought close to an NFC device, the NFC device can quickly receive the data in the NFC chip and obtain the sample information, eliminating the need for manual entry, improving information signing efficiency, and saving human resources and time costs.