1012results about How to "Avoid obstruction" patented technology

The invention relates to the technical field of lithium ion batteries, in particular to a lithium iron manganese phosphate-ternary material composite positive electrode lithium ion battery formation method and a lithium ion battery, the formation method comprises the following steps: S1, allowing a soft package cell to stand in a vacuum environment; s2, applying a first pressure and heating, and then carrying out constant current charging to 20%-40% SOC at a small current of 0.02-0.05 C; s3, second pressure is applied, heating is conducted, then constant current charging is conducted to 50%-70% SOC with the large current of 0.1-0.2 C, and the second pressure is larger than the first pressure; s4, applying a third pressure and heating, and then performing constant-current discharge at the current of 0.2-0.5 C until the SOC is 30-50%; and S5, performing high-temperature aging on the soft package battery cell. According to the formation method provided by the invention, the cycle performance of the lithium iron manganese phosphate-ternary material composite positive electrode lithium ion battery is improved.

The utility model discloses a chemical raw material multi-layer screening and grading device, which belongs to the technical field of chemical raw material screening treatment, and adopts the technical scheme that the chemical raw material multi-layer screening and grading device comprises a screening box, the top of the screening box is communicated with a hopper, and a scattered screening mechanism is arranged in the screening box. When the chemical raw materials are added into the screening box through the hopper, the chemical raw materials can fall onto the carrying net in the disc frame, at the moment, the motor drives the shaft rod to drive the scattering rods to rotate, the chemical raw materials which are extruded and caked for a long time can be effectively scattered, large blocks are prevented from hindering a subsequent screening path, and the scattered chemical raw materials are prevented from falling downwards; and then the raw materials are subjected to multi-layer screening through the primary screening structure driven by the shaft rod, enter the material guiding opening and are discharged into the re-filtering structure to be treated again, so that normal screening of all stages of screens is ensured, the screening efficiency is remarkably improved, accurate grading of the chemical raw materials with different particle sizes is ensured, and the screening quality is optimized.

The invention relates to the technical field of hoisting equipment, in particular to heavy hoisting and moving hoisting equipment which comprises a connecting frame and a supporting seat, a movable rod is movably connected to the center of the supporting seat, a driving mechanism and an adjusting mechanism are arranged at the top of the supporting seat, and a fixing mechanism is arranged between the supporting seat and the movable rod. The adjusting mechanism comprises a group of balancing weights slidably connected with the side wall of the lower end of the connecting frame, an auxiliary mechanism is arranged at the upper end of the lifting hook and comprises a connecting rod fixedly connected with the upper end of the lifting hook and a second sliding sleeve slidably clamped with the connecting rod, and a limiting assembly is arranged at the bottom of the second sliding sleeve; after the lifting hook lifts a heavy object to move downwards, the fixing mechanism limits the lifting hook to prevent the lifting hook from rotating, meanwhile, under the action of the auxiliary mechanism, the limiting assembly moves downwards, a lifting ring, hung on the lifting hook, of the heavy object is limited from the two sides, the moving range of the lifting ring in the lifting and moving process of lifting equipment is limited, and the shaking amplitude of the lifting ring is reduced; therefore, the stability of equipment movement is improved.

The invention relates to a tiltable ducted fan testing device. The tiltable ducted fan testing device comprises a supporting rack, a telescopic device, a transmission rod and a multi-dimensional force sensor, the telescopic device is hinged to the supporting rack, the output end of the telescopic device is hinged to one end of the transmission rod, the other end of the transmission rod extends upwards, the end is located above the supporting rack, and the middle of the transmission rod is rotationally arranged on the supporting rack. The multi-dimensional force sensor is arranged at the end, away from the telescopic device, of the transmission rod, and the bottom of the ducted fan is installed on the measuring face of the multi-dimensional force sensor. The testing device can continuously adjust the testing angle of the ducted fan at any time, guarantees the accuracy of a measurement result, and is wide in application scene.

The utility model relates to the technical field of electric control cabinets, and discloses an electric control cabinet convenient for multi-person cooperation maintenance, which comprises a cabinet body, a pushing device and a suspension device, the pushing device is positioned inside the cabinet body, the suspension device is positioned on the inner wall of a cabinet door of the cabinet body and is used for suspending a maintenance tool, the pushing device comprises a motor, and the motor is connected with the cabinet door. A chain assembly is arranged at the output end of the motor, and long screws are arranged at the four corners of the chain assembly. According to the electrical control cabinet convenient to overhaul, the motor is started, the motor drives the long screw rod to rotate through the chain assembly, the long screw rod drives the mounting plate to push forwards, so that the mounting plate drives the mounted electrical components to move to the cabinet door of the electrical control cabinet for overhaul, the mounting panel can be moved to the front of the cabinet door, the space of personnel is sufficient, and blockage is avoided; multi-person cooperation maintenance is facilitated, and the maintenance efficiency is improved.

The invention discloses a full-automatic pipe coiling machine. The full-automatic pipe coiling machine comprises a frame, a coiling device, a pipe clamping device and a brake mechanism, the tops of the two sides of the frame are each provided with a support. The reel device comprises a winding drum and a supporting shaft, and a hose is wound on the winding drum; the winding drum is rotationally connected with the two supports through a supporting shaft, and a coil spring is further arranged between the winding drum and the supporting shaft. The pipe clamping device is located on one side of the winding drum and used for controlling the winding drum to rotate or be fixed. The brake mechanism is located on the other side of the winding drum and used for controlling the rotating speed of the winding drum. The device is simple in structure, convenient and rapid to operate, capable of achieving rapid inflation operation in a limited deck space, capable of automatically recycling the inflation hose after inflation operation is completed, small in size and small in occupied space, and interference of disordered decks on other operations is avoided.

The utility model relates to the technical field of welding equipment, and discloses multi-station efficient welding equipment which comprises a working table, a vertical frame is fixedly installed on the top of the working table, a first hydraulic rod is fixedly installed at the left end of the vertical frame, a sliding block is fixedly installed at the output end of the first hydraulic rod, and the sliding block and the vertical frame are installed in a sliding mode. A second hydraulic rod is fixedly mounted at the bottom of the sliding block, a connecting plate is fixedly mounted at the output end of the second hydraulic rod, a welding device is arranged at the bottom of the connecting plate, an adjusting mechanism is arranged at the top of the workbench, and a supporting mechanism is arranged at the bottom of the workbench. According to the clamping device, the multiple to-be-welded workpieces can be clamped conveniently, the working efficiency is improved, a first motor is started, under cooperation of a threaded column, a threaded plate can be moved conveniently, so that the to-be-welded workpieces can be moved conveniently, and a second motor is started, so that the to-be-welded workpieces can be rotated conveniently.

The utility model discloses a base mold of a binding machine. The base mold comprises a front mold assembly, a rear mold assembly, a first side core-pulling mechanism and a second side core-pulling mechanism, the front mold assembly comprises a front mold fixing plate and a front mold plate, the front mold plate is movably arranged on the front mold fixing plate, and a base female mold is arranged on the front mold plate; the rear die assembly comprises a rear die plate, and a base male die is arranged on the rear die plate. The first side core-pulling mechanism comprises a first side mold core and a first inclined guide piece, the first side mold core is arranged on the front mold plate in a sliding mode, the first inclined guide piece is fixedly arranged on the front mold fixing plate, a first inclined guide groove is formed in the first side mold core, and the first inclined guide piece is connected into the first inclined guide groove in a sliding mode; the second side core-pulling mechanism comprises a second side mold core and a second inclined guide piece, the second side mold core is arranged on the front mold plate in a sliding mode, the second inclined guide piece is fixedly arranged on the front mold fixing plate, a second inclined guide groove is formed in the second side mold core, and the second inclined guide piece is connected into the second inclined guide groove in a sliding mode.

The invention provides a new-generation information technology and landscaping supply chain fusion system, and belongs to the technical field of information technology and landscaping supply chain fusion. Landscaping supply chain management and data acquisition are improved in multiple aspects, data of each link are accurately acquired through multiple sensors and interfaces, manual recording errors are avoided, and the system is convenient to use. According to data analysis and processing, advanced technologies are utilized to predict growth trends and market demands, inventory management is optimized, an intelligent decision support module provides scientific purchase suggestions based on data results, an information interaction platform promotes information sharing and cooperation of all parties, and a visual monitoring module can find and process abnormities in time. The expandability and security of the system and the application of the mobile terminal adapt to development requirements, data privacy is protected, business processing is facilitated, the management efficiency and quality are integrally improved, and smooth implementation of a project is guaranteed.

The utility model provides a driving module cooling structure of an external rotor motor, which comprises a driver cooling seat and a plurality of driving modules, and the plurality of driving modules are circumferentially fixed on the peripheral wall of the driver cooling seat at intervals. Cooling cavities in one-to-one correspondence with the driving modules are formed in the outer wall of the driver cooling seat, an opening is formed in the outer end of each cooling cavity, and a power tube in each driving module is attached to the opening of the cooling cavity in the corresponding position and peripherally sealed with the driver cooling seat at the outer edge of the cooling cavity; a cooling liquid inlet and a cooling liquid outlet are formed in the driver cooling seat, the first cooling cavity is communicated with the cooling liquid inlet, the tail cooling cavity is communicated with the cooling liquid outlet, and every two adjacent cooling cavities are communicated through at least one cooling liquid channel; according to the utility model, the cooling effect and efficiency of the driving module in the external rotor motor can be improved, so that the driving module is prevented from being damaged due to overheating.

The invention relates to the technical field of pin bush wear resistance tests, and discloses a pin bush wear resistance coupling testing machine which comprises a bottom plate, a positioning seat is fixed on the bottom plate, an arc-shaped clamping groove is formed in the positioning seat, a pin bush body is placed in the arc-shaped clamping groove, and the pin bush body is arranged in the arc-shaped clamping groove. A positioning seat is arranged on the bottom plate, clamping assemblies used for clamping the pin bush body are arranged on the two sides of the positioning seat respectively, a limiting baffle is fixed to one side of the positioning seat, one end of the pin bush body abuts against the limiting baffle, a moving assembly is fixed to the bottom plate, a motor seat is installed on the moving assembly, and the motor seat is fixed to the bottom plate. A first servo motor is fixed on the motor base, an extension rod is fixed on a motor shaft of the first servo motor, and a test grinding head is mounted on the extension rod; the coupling agent smearing process is time-saving, labor-saving, convenient and fast, meanwhile, the phenomena that the coupling agent smearing thickness is not uniform and smearing dead angles exist can be avoided, and the ultrasonic flaw detection precision can be improved.

The cutting device for steel machining comprises a base frame and a cutting disc used for cutting rectangular hollow steel, a water tank used for bearing cooling liquid is arranged on the base frame, an annular rectangular structure used for driving the cutting disc to conduct cutting operation on the rectangular hollow steel in a rectangular track is arranged on the base frame, and the annular rectangular structure comprises a guide column. The two ends of the guide column are fixedly connected to the base frame, the cutting disc is fixedly arranged at the end, away from the rectangular block, of the transverse rod, and the special-shaped frame is provided with a fixed point assembly for driving the cutting disc to be attached to the surface of the rectangular hollow steel to determine the initial position of rectangular track movement. By means of the design, the cutting face can be matched with the section shape of the steel, the cutting accuracy and efficiency are improved, the contact area of the cutting disc and the rectangular hollow steel during cutting can be reduced, tool abrasion is reduced, and the service life of the cutting disc is prolonged.

The invention discloses a greening maintenance device for garden environment construction, and relates to the technical field of garden construction, the greening maintenance device comprises a jar body and a planting groove, the top of the jar body is provided with a water supply cylinder, the interior of the water supply cylinder is fixedly connected with a water pipe, the interior of the water supply cylinder is provided with a surrounding spraying mechanism, and when garden plants are maintained, the water pipe is fixedly connected with the water pipe; and surrounding spraying can be carried out around the jar body, and garden plants are comprehensively sprayed and irrigated. According to the greening maintenance device for garden environment construction, when garden plants are maintained, water in a water supply cylinder can be pumped out through a water pump and sprayed to the plants in a planting groove through a plurality of circulating pipes, meanwhile, in the spraying process, a driving motor can drive a driving gear to rotate, and under the cooperation with a tooth row groove, the plants in the planting groove can be protected; a plurality of circulating pipes can be driven to perform surrounding spraying around the jar body, so that the garden plants can be comprehensively sprayed and irrigated, and the maintenance effect of the device on the garden plants can be guaranteed.

The invention discloses polycarboxylic acid water reducing agent powder production equipment, and relates to the technical field of polycarboxylic acid water reducing agent equipment, the polycarboxylic acid water reducing agent powder production equipment comprises a reaction kettle, a water inlet pipe is arranged at the top of the reaction kettle, a feeding pipe is arranged at the top of the reaction kettle, a control valve is arranged at the bottom of the reaction kettle, and a sliding groove is formed in the inner wall of the reaction kettle; the device further comprises a stirring mechanism; wherein the stirring mechanism comprises a servo motor, a rotating rod, a connecting rod, stirring fan blades, a carrying plate, a sliding plate, a first spring, a cylindrical rod, a round block, an abutting plate and a supporting plate, the servo motor fixedly penetrates through the top of the reaction kettle, the rotating rod is fixedly installed at the output end of the servo motor, the position is automatically adjusted through the cylindrical rod when the cylindrical rod encounters cakes, and the cylindrical rod is fixed to the top of the reaction kettle; and then stable pressure is applied to press and disperse the cakes, so that the uniformity of the reaction process is favorably improved.

The utility model relates to the field of extraction equipment, in particular to a composite plant anti-allergy preparation device capable of fully stirring, which comprises an extraction tank, the top of the extraction tank is provided with a feeding port and a steam output port, the position of the extraction tank close to the bottom is provided with a steam outlet, and the steam outlet is communicated with a condensing device; the condensing device comprises a shell and tube condenser and a coil condenser; an output port of the coil type condenser is connected with an oil-water separator through a pipeline, an oil collector is arranged at the top of the oil-water separator, a liquid discharge port is formed in the bottom of the oil-water separator and connected with a return tank through a pipeline, and a discharge port of the return tank is communicated to input ports of the tubular condenser and the coil type condenser through pipelines; a stirring paddle is arranged in the extraction tank, the stirring paddle is rotatably mounted in the extraction tank, and the stirring paddle ascends and descends in the vertical direction while rotating. The purpose of the utility model is to effectively guarantee the quality of subsequent extraction of an extracting solution.

The invention relates to the technical field of cement product overturning, and discloses a cement product prefabricated part overturning device which comprises a cement prefabricating mold and supporting frames located at the two ends of the cement prefabricating mold, supporting transverse rods are fixed to the upper portions of the supporting frames, and lifting assemblies are arranged on the supporting frames. A first servo hydraulic cylinder is fixed to the lifting assembly, a mounting plate is fixed to the end of the first servo hydraulic cylinder, a servo motor is fixed to the mounting plate, and a mechanical clamping jaw is fixed to a motor shaft of the servo motor. The two ends of the cement prefabricating mold are respectively provided with a C-shaped plate, and the two ends of the cement prefabricating mold are respectively fixedly provided with a first sliding bracket, so that the purpose that an opening of the cement prefabricating mold can be quickly reversed downwards can be achieved, the overturning efficiency can be greatly improved, the frequency of manual operation can be reduced, time and labor are saved, and convenience and rapidness are realized; and the operation safety is improved.

The invention relates to a tethered airship self-destruction control method which specifically comprises an airborne control core and a self-destruction standby system so as to ensure that a self-destruction task can be effectively executed under different fault conditions. The airborne control core judges whether the airship exceeds a safety range or not through the GPS module, or receives a remote self-destruction instruction through the wireless communication module to trigger a self-destruction program. The self-destruction process comprises the steps that the valve push rod driving circuit rapidly deflates, the electric heating wire driving circuit burns through the ball body, the lithium battery burning explosion trigger circuit triggers battery burning explosion, and thorough damage is ensured. If the main system fails, the standby control module supplies power through a standby battery, takes over a self-destruction task, keeps communication with the ground, and triggers the parachute to release by utilizing a time delay mechanism or an air pressure sensor when the height sensor fails, so that the landing safety is guaranteed. And the main control program performs byte-by-byte deletion through a bootloader program in a self-destruction process, so that data leakage is prevented.

The utility model belongs to the technical field of threaded fasteners, and discloses an anti-loose threaded fastener structure which comprises a top cap, a threaded rod is fixedly connected to the center of one end face of the top cap, a groove is formed in the outer wall of one side of the threaded rod, a clamping groove is formed in the inner side wall of the groove, a nut is in threaded connection with the outer wall of the threaded rod, and an anti-loose box is arranged on one side of the periphery of the nut. A second limiting assembly is arranged at the joint of the nut and the anti-loosening box, a built-in disc is arranged on the inner side of the bottom end of the anti-loosening box, a clamping column is fixedly connected to the center of the bottom of the built-in disc, and the clamping column is slidably connected to an inner cavity in the bottom end of the anti-loosening box in a penetrating and sleeving mode; according to the anti-loosening device, the anti-loosening box is arranged, so that the bearing effect on the structure body on the anti-loosening box is achieved, and meanwhile, the built-in disc, the clamping column, the pull rod, the pull ring and the spring are utilized to be matched with a groove and a plurality of clamping grooves formed in the threaded rod, so that the mutual locking and anti-loosening effects between the nut and the threaded rod are effectively achieved.

The invention relates to the field of drilling and tapping machines, and provides a double-spindle numerical control drilling and tapping machine. Comprising a hollow base which is of a hollow structure and can concentrate chippings; the shell is fixedly arranged at the top of the hollow base, and a mounting ring is fixedly arranged on the right side of the shell; the storage frame stretches across the left side wall and the right side wall of the shell and is rotationally connected with the shell; the servo motor I is arranged on the mounting ring, and an output shaft of the servo motor I is fixedly connected with the storage frame; the electric clamp is hinged to the middle of the storage frame. Through the arrangement of the drilling and tapping mechanism, under the cooperation effect of a servo motor II and a gearbox, the orientation of a drill bit of the double-shaft drilling machine can be changed, so that drilling and tapping treatment on different faces of a workpiece is achieved, and a storage frame can be driven to rotate through a servo motor I to drive the workpiece on an electric clamp to rotate; the drilling and tapping device can be matched with a drilling and tapping mechanism, and multiple faces of a workpiece can be drilled and tapped without fixing the workpiece again.

The utility model discloses a high-speed mixing mechanism for rubber protective wax, which relates to the technical field of rubber protective wax and comprises a heating mixing barrel, lifting mechanisms are arranged on two corresponding sides inside the heating mixing barrel, a rotating shaft is arranged below the lifting mechanisms and inside the heating mixing barrel, and the rotating shaft is connected with the lifting mechanisms. A plurality of stirring rods are fixedly connected to the outer side of the rotating shaft, a first motor is fixedly connected to the bottom of the heating mixing barrel, and a scraping plate is fixedly connected to the portion, located in the heating mixing barrel, of the output end of the first motor; the device disclosed by the utility model has the beneficial effects that by arranging the first motor and the scraping plate, residual raw material wax on the inner wall of the heating and mixing barrel can be scraped during use, so that the influence of the residual raw material wax on the mixing use of the raw material wax next time is effectively avoided; and therefore, the cleaning convenience is effectively improved, and the efficiency of workers is improved.

The present invention discloses a high-precision smart meter for outdoor use, which belongs to the technical field of smart meters. The following scheme is proposed, which includes a smart meter body, heat dissipation structures are arranged on both sides of the smart meter body, an air intake structure is detachably installed on the heat dissipation structure, the smart meter body and the air intake structure can be detachably installed inside the meter box, an adjustment component and a pushing component for driving the adjustment component are arranged inside the air intake structure, and a driving component for adjusting the pushing component is arranged on the smart meter body; by arranging the air intake structure, the adjustment component and the pushing component, if the connecting hole is configured in a ⊥ shape, the external natural wind will be effectively guided to the inside of the wind collecting cover, and then smoothly flow into the inside of the installation shell through the air intake duct and the conduit, so as to implement uniform and effective air cooling and heat dissipation on the side wall of the smart meter body, thereby significantly improving its operating stability and ensuring the high precision of the smart meter body during operation.

The invention provides non-ferrous metal disc vertical mold casting equipment. Comprising a rotating frame and a plurality of mold opening and closing mechanisms, the mold opening and closing mechanisms are arranged on the rotating frame, the rotating frame is used for sequentially rotating the mold opening and closing mechanisms to a casting position and a demolding position, the casting position and the demolding position are arranged on the two sides of the upper surface of the rotating frame respectively, and each mold opening and closing mechanism comprises a male mold and a female mold; the mold cavity on the female mold is vertically arranged relative to the upper surface of the rotating frame, and the male mold can be close to or far away from the female mold under the action of external force, so that the male mold and the female mold are mutually closed or separated. Continuous production of castings can be achieved, and the productivity of the castings is high; the mold opening and closing mechanism comprises a male mold and a female mold, a mold cavity in the female mold is perpendicular to the upper surface of the rotating frame, and due to the fact that the mold cavity is deep, a formed casting is full, uniform in thickness and small in piece weight deviation, and no throwing or flash or burr exists in the casting process.

The utility model provides a mixing mill for magnesia carbon brick processing, which relates to the technical field of mixing mills, and comprises a supporting bottom plate, a mixing and milling barrel is fixedly arranged on the top surface of the supporting bottom plate, the surface of the mixing and milling barrel is communicated with a blanking hopper, a motor is fixedly arranged on the bottom surface of the supporting bottom plate, a middle shaft is arranged at the output end of the motor, and the middle shaft is communicated with the blanking hopper. A rotating rod is rotationally connected to the surface of the center shaft, a grinding roller is fixedly installed at one end of the rotating rod, and a supporting beam is fixedly installed on the top face of the supporting bottom plate. The stirring blades are driven to rotate through the cooperation of the worm and the worm wheel, the stirring blades can push brick materials to move in the material containing box, so that uniform discharging of the brick materials gradually falling into the mixing and grinding barrel from the discharging groove can be achieved, the uniform discharging mode is beneficial to avoiding excessive accumulation of the brick materials in a certain area in the mixing and grinding barrel, and the brick materials can be uniformly discharged. Therefore, blockage or blocking in the rolling process is avoided, and efficient and continuous operation of the mixing mill is ensured.

The invention discloses a carbon fiber wear resistance testing device and method.The carbon fiber wear resistance testing device comprises a testing platform, a moving platform, a left side fiber fixing clamp, a right side fiber fixing clamp, a balance weight and a traction rope, and the left side fiber fixing clamp and the right side fiber fixing clamp are arranged at the left end and the right end of the top surface of the testing platform respectively; the motion platform is arranged on the test platform, a friction rod group is arranged on the motion platform, a moving block is arranged at the top of the friction rod group, the friction rod group moves up and down, a to-be-tested carbon fiber penetrates through the friction rod group, and two ends of the to-be-tested carbon fiber are fixedly connected with the left fiber fixing clamp and the right fiber fixing clamp respectively and are tensioned by a counterweight; and the horizontal movement and the vertical movement of the friction rod group can be respectively used for carrying out transverse and longitudinal wear resistance tests on the carbon fibers. According to the invention, transverse and longitudinal wear resistance tests can be simultaneously carried out on the carbon fibers, and complex wear resistance test conditions are provided for the carbon fibers, so that powerful evaluation parameters are provided for research and development of the carbon fibers.

The invention relates to the technical field of cables, and provides an anti-collision buffer type low-voltage cable which comprises a cable unit, the cable unit comprises a wire core, an armor layer and an outer sheath and further comprises a protection assembly, a connecting part and a limiting assembly, the protection assembly is arranged outside the outer sheath and comprises a protection plate and a buffer block, and the connecting part is arranged on the protection plate. The protective plates are arranged outside the outer sheath through the buffer springs and the telescopic rods, the protective plates are arranged in multiple groups, each group of protective plates comprises multiple protective plates, the multiple protective plates in a single group are arranged outside the outer sheath at equal angles, the buffer blocks are fixedly connected to the interior of the outer sheath, and the buffer blocks make contact with the ends, close to the outer sheath, of the protective plates. The connecting part is used for connecting the two cable units, and the limiting assembly is used for limiting the connected connecting part. According to the technical scheme, the problems that in the prior art, external force easily causes cable damage, and interference is caused to cable power supply are solved.

The invention discloses a waste road fence dismantling robot for municipal engineering, and relates to the technical field of dismantling robots. The device comprises a crawler-type chassis, a dismantling vehicle body is installed on the top of the crawler-type chassis in a driving mode, an electric main push rod is fixedly installed on one side of the dismantling vehicle body, and a vertically-arranged lifting electric push rod is fixedly installed at the telescopic end of the electric main push rod; the telescopic end of the lifting electric push rod is arranged downwards and fixedly provided with a steering mechanical arm, and the driving end of the steering mechanical arm is fixedly provided with a horizontally-arranged connecting cantilever. When a fence stand column buried underground is pulled out, a slotting drilling machine drives a drill bit to drill a circle of bucket-shaped groove in the circumferential side of the stand column, then an electric main push rod, a lifting electric push rod and a drilling machine electric push rod are reset, automatic machining of the bucket-shaped groove in the top end of the stand column is completed, and the pulling-out frame assembly can be stably connected with the stand column in a clamped mode through the bucket-shaped groove; and the top end of the upright post cannot be unhooked in the pulling process without pre-punching and threading.

The invention discloses adjustable flue gas desulfurization demisting equipment, and relates to the technical field of environmental protection engineering, the adjustable flue gas desulfurization demisting equipment comprises a demisting machine, the outer wall of the bottom end of the demisting machine is fixedly provided with a flue gas inlet pipe, the top of the demisting machine is fixedly provided with an exhaust passage, and the outer wall of the top end of the demisting machine is slidably provided with an outer pull box. When smoke flows on the surface of the flow guide plate, smoke dust in the smoke can be attached to the inner wall of the flow guide plate, a motor is started, the motor drives a rotating rod to rotate, the rotating rod drives an L-shaped fixing frame to rotate, the L-shaped fixing frame drives a sliding rod to rotate, the sliding rod drives a connecting block to rotate, the connecting block drives a scraping plate to rotate, and the scraping plate scrapes away the smoke dust on the surface of the flow guide plate. According to the demister, the surface of the guide plate is kept clean, possible obstruction of smoke dust accumulation on smoke flowing is prevented, continuous and efficient operation of the demister is ensured, and therefore the treatment efficiency and stability of the whole demister are improved.

The invention discloses an intravascular embolism protection device which comprises a conveying guide wire, a first filter and a second filter, and the first filter is located at the near end of the second filter; the first filter and the second filter are arranged at the far end of the conveying guide wire in a spaced mode so as to be used for intercepting different tissue substances in blood vessels and allowing blood to pass through, the first filter comprises a plurality of flexible brushes, the brushes are arranged on the peripheral wall of the conveying guide wire in a radial mode, and the first filter and the second filter are arranged on the periphery of the conveying guide wire. And the second filter comprises a net-shaped filter screen. Based on the intravascular embolism protection device, the far filtering channel and the near filtering channel which are used for filtering different tissues such as thrombus are arranged, the risk of thrombus escape can be effectively reduced, the thrombus can be blocked in a long area between the first filter and the second filter, and blood flow blocking caused by the fact that the thrombus is accumulated at one position is avoided.

The invention discloses a laboratory management system based on a large model, relates to the technical field of laboratory management, solves the technical problem that the laboratory network security cannot be detected in the laboratory use stage in the prior art, and particularly relates to a maintenance performance evaluation unit which is used for evaluating the laboratory performance maintenance. Environment maintenance data and position maintenance data are collected, and whether the maintenance performance is normal is deduced according to data analysis; the network security evaluation unit is used for carrying out security evaluation on the experimental record network of the laboratory, collecting flow control information and data control information, and analyzing and deducing whether the network security evaluation is normal or not according to the information; and the experiment safety evaluation unit is used for carrying out experiment safety evaluation on the laboratory, collecting medicament safety information and electric power safety information, and deducing whether the experiment safety evaluation is normal or not according to information comparison, if so, completing laboratory management, and if not, carrying out experiment safety control.