207results about How to "Turn faster" patented technology

The invention relates to the technical field of reagent detection, and discloses a reagent detection device and a using method thereof.The reagent detection device comprises a fixing base, a supporting base is arranged on the outer side of the fixing base and driven by a motor in the fixing base, a plurality of reagent mixing mechanisms are installed on the supporting base, and each reagent mixing mechanism comprises a first rotating sleeve; the end part of a rotating shaft of the first rotating sleeve is connected with a support frame, a second rotating sleeve is rotationally arranged in the first rotating sleeve, and the second rotating sleeve is used for clamping a reagent tube. According to the reagent detection device, when a supporting seat rotates, a first transmission gear is in intermittent contact with an arc-shaped rack, so that a first rotating sleeve drives a reagent tube to perform inclination state adjustment, and meanwhile, a second transmission gear is meshed with a fixed gear ring to generate rotation, so that the second rotating sleeve drives the reagent tube to quickly rotate; therefore, the reagent tube rapidly rotates in an inclined state to drive the solution in the reagent tube to roll over, so that the solutions at different heights are mixed and exchanged, and the mixing effect of the solutions is improved.

The steering system comprises an oil tank, an oil pump, an electromagnetic valve, a steering gear, a first oil cylinder, a second oil cylinder and a flow amplifying valve, the oil pump extracts hydraulic oil from the oil tank and provides pressure oil through an oil outlet of the oil pump, and the electromagnetic valve is provided with a first electromagnetic valve position and a second electromagnetic valve position and used for switching oil paths. The steering gear is provided with an oil inlet, an oil return port, an L oil supply port and an R oil supply port, oil is distributed according to a steering instruction, when the electromagnetic valve is located at a first electromagnetic valve position, a first oil cylinder small cavity and a second oil cylinder large cavity are controlled to obtain oil or the first oil cylinder large cavity and the second oil cylinder small cavity are controlled to obtain oil to achieve rapid rotation, and when the electromagnetic valve is electrified and located at a second electromagnetic valve position, the steering gear is driven to rotate. The hydraulic oil bypasses the flow amplifying valve and directly enters the first oil cylinder large cavity or the second oil cylinder large cavity, so that low-speed steering operation is completed, the high-speed steering effect and the low-speed steering effect are achieved, the applicability, stability, accuracy and economical efficiency of a steering system are improved, and the requirements of different users are met.

The utility model discloses a new energy motor shaft internal spline detection positioning tool comprising a workbench, the top end of the workbench is provided with an installation disc, the top end of the installation disc is fixedly connected with a positioning cylinder, and the center line of the positioning cylinder and the center line of the installation disc are on the same vertical plane. According to the detection positioning tool for the internal spline of the new energy motor shaft, the positioning cylinder is arranged, before detection, the internal spline of the motor shaft is placed in the positioning cylinder and kept at the central position in the positioning cylinder, then the positioning bolts on the periphery are rotated, and the positioning bolts can move towards the interior of the positioning cylinder when rotating in threaded holes, so that the internal spline of the motor shaft is detected. According to the positioning cylinder, the positioning bolts on the periphery are attached to the exterior of the internal spline of the motor shaft so that the internal spline can be positioned, the supporting cylinder outside the positioning cylinder is attached to the exterior of the positioning bolts so that the positioning bolts can be supported, the stability of the positioning bolts is improved, the stability of a positioned workpiece is guaranteed, and the problem that the workpiece cannot be quickly positioned is solved.

The invention relates to the technical field of mine construction detection, in particular to a laser and electromagnetic wave three-dimensional monitoring device which comprises a monitoring unit, an auxiliary mechanism used for user toppling emergency is movably installed on the outer side of the monitoring unit, and a light reflecting vest convenient to wear is installed at the top of the auxiliary mechanism. The auxiliary mechanism comprises a gear ring used for fixedly installing the monitoring unit, a gear is installed on the inner side of the gear ring in a meshed mode, and a motor is fixedly installed on the top of the gear. Shooting equipment can be used for shooting and recording partial special areas, the working efficiency can be improved, if a worker topples over, the monitoring unit detects that the distance between the worker and the ground is rapidly shortened, and the motor drives the monitoring unit to rotate to the back of the worker, so that the worker is prevented from being hurt after the monitoring unit collides with the ground; and the damage possibility of the monitoring unit can also be reduced.

The invention belongs to the technical field of soil sampling, and particularly relates to a grain planting soil detecting and sampling device which comprises a base, a supporting column is fixedly arranged on one side of the base, a top plate is fixedly arranged on the supporting column, a driving mechanism and a stratified sampling mechanism are arranged on the top plate, and a soil sample storage mechanism is arranged on the base. The stratified sampling mechanism comprises a sampling drill rod assembly and a pressure difference sampling assembly, the pressure difference sampling assembly is installed on the top plate, and the sampling drill rod assembly is located below the top plate and connected with the pressure difference sampling assembly; by combining the pressure difference principle with the longitudinally-arranged temporary storage cavities, soil of different depths can be collected in a layered mode in one-time sampling operation, after the soil is collected, the soil of different depths is sprayed into the corresponding sample receiving plates to be stored according to the pressure difference principle again, sample mixing is effectively avoided, accurate layered sampling is achieved, and the sampling efficiency is improved. And the collected soil sample is kept in an original state.

The invention provides a high-voltage modulation circuit supporting continuous and high-repetition-frequency pulse work, relates to the technical field of microwave and millimeter wave phased array radars, and solves the defect problem that continuous work and high-repetition-frequency pulse work cannot be supported at the same time under high-voltage input in the prior art. In the high-voltage modulation circuit, an input signal driving circuit is used for controlling an integrated gate driver through a first complementary driving signal; the grid voltage control power supply circuit is used for controlling the power supply of the input signal driving circuit according to the grid voltage of the last-stage power amplifier chip; the integrated gate driver is used for respectively controlling on and off of the modulation switch tube and the discharge tube according to the first complementary driving signal; the dead zone adjusting circuit is used for adjusting and modulating the switching speed of the switching tube and the discharge tube; the isolation power supply circuit is used for supplying power to the integrated gate driver and maintaining conduction of the modulation switch tube under high-voltage input; the method has the advantages of being high in design adjustment freedom degree, safe in circuit logic, adaptive to various working scenes and multi-platform multi-purpose application.

The invention discloses a high-conductivity sodium ion battery positive electrode material / organic conductive polymer composite material and a preparation method thereof, and the preparation method comprises the following steps: S1, preparation of a chain product: adding water into an organic conductive polymer monomer for dissolving, adjusting the pH value of the solution to be acidic, adding an oxidizing agent, and stirring to obtain the chain product; inducing an organic conductive polymer monomer to generate a polymerization reaction to form a chain product; s2, preparation of precursor slurry: adding a sodium source, an iron source and a sulfur source into the solution for forming the chain product, and fully dissolving to form uniform precursor slurry; s3, preparation of precursor powder: drying the precursor slurry to realize solid-liquid separation so as to obtain dried precursor powder; and S4, high-temperature sintering: calcining the precursor powder in a protective atmosphere, and naturally cooling to obtain the Na < 2 + x > Fe < 2-x > (SO4) 3 / organic conductive polymer composite positive electrode material. The preparation method has the characteristics of high electronic conductivity, low specific surface area, high compaction density and excellent electrochemical performance.

The utility model discloses an embedded nut which comprises a nut body, an installation sleeve is sleeved outside the nut body, a dismounting assembly is arranged between the nut body and the installation sleeve, and the dismounting assembly comprises a limiting ring groove formed in the bottom of the outer side surface of the installation sleeve. A rubber ring is arranged in the limiting ring groove in a sleeved mode, and connecting clamping columns are fixed to the surface of the inner side of the rubber ring at equal angles. Through the designed dismounting assembly, the mounting sleeve and the nut body can be changed to be detachable, a worker can replace the mounting sleeve with the plane-shaped or thread-shaped mounting outer surface according to the actual mounting requirement, operation is convenient and fast, the situation that the nut is wasted can be avoided, and practicability is good; and through the designed lubricating assembly, lubricating oil can be conveniently added when a worker disassembles the nut in the later period, so that the worker can quickly rotate the nut, the disassembly efficiency of the worker is conveniently improved, and the practical effect is good.

The utility model relates to the field of rice planting, in particular to soil turning equipment for rice planting. The technical problems that in the soil turning process, pebbles in soil are difficult to collect, the pebbles in the soil may cause negative influences on rice planting, and noise generated during soil turning is difficult to reduce are solved. According to the technical scheme, the soil turning equipment for rice planting comprises a supporting assembly; the device further comprises a braking assembly, a soil turning assembly, a noise reduction assembly, a collecting assembly and a reinforcing assembly. The braking assembly is started to enable the soil turning assembly to rotate to turn soil, during soil turning, part of pebbles can fall into the collecting assembly, part of pebbles falling into the collecting assembly can be rebounded by the reinforcing assembly to fall into the collecting assembly again, the pebble collecting effect is improved, and the problem that in the soil turning process, the pebbles cannot fall into the collecting assembly again is solved. The problems that stones in soil are difficult to collect and noise generated during soil turning is difficult to reduce are solved.

The utility model relates to the technical field of cranks, in particular to a low-torque portable movable crank for a valve hand wheel, which comprises a handle part, a handle part and a handle part, the clamping part is used for being fixed to the surface of the low-torque valve hand wheel; the connecting assembly is used for connecting the first arc-shaped positioning plate and the second arc-shaped positioning plate, and the connecting assembly comprises a first connecting plate and a second connecting plate which are fixedly arranged at the end parts of the first arc-shaped positioning plate and the second arc-shaped positioning plate respectively; and the rotating part facilitates rotation of the handle part. Through the arrangement of the clamping part and the handle part, the first arc-shaped positioning plate and the second arc-shaped positioning plate can clamp and fix the low-torque valve hand wheel, then the operation rod is operated, the low-torque valve hand wheel can be rapidly rotated, operation is easy and stable, the size is small, the manufacturing cost is low, and carrying is convenient.

This utility model relates to the field of wood processing and discloses a high-efficiency wood surface treatment roller, including an operating table. A positioning component is provided at the front of the operating table, and a mounting frame is fixedly connected to the top surface of the operating table. Two electric rods are fixedly connected to the upper part of the mounting frame, and a sanding component is provided at the lower part of the mounting frame. An installation opening is provided in the middle of the operating table, and an auxiliary roller is rotatably connected to the center of the installation opening. The positioning component includes a housing, with a control rod rotatably connected through the center of the housing. Sliding blocks are slidably connected to the left and right sides inside the housing, and the control rod and the sliding blocks are threaded together. In this utility model, by setting up the cooperation between components such as the housing, control rod, sliding blocks, mounting frame, support, roller screw, and limiting rod, the device can restrict the wood more stably and prevent tilting, making it more practical.

The invention belongs to the technical field of electrolytes, and particularly relates to an electrolyte suitable for low temperature, a preparation method and a lithium battery, the electrolyte comprises a solvent, a lithium source, a film-forming additive and surface modified magnetic particles; according to the invention, the magnetic particles are added in the electrolyte, then the permanent magnet on the turntable rotates to form a variable magnetic field, due to the change of the magnetic field, the magnetic domains in the magnetic particles in the electrolyte in the battery pack can change along with the magnetic field, and due to the continuous change of the external magnetic field, the magnetic domains in the magnetic particles in the electrolyte in the battery pack can change along with the magnetic field. The magnetic particles are uniformly distributed in the battery pack, so that the electrolyte can be continuously and uniformly heated, and even if the temperature of the external environment is relatively low, the magnetic domains in the magnetic particles continuously move, the magnetic hysteresis loss phenomenon occurs in the movement process, and the temperature of the magnetic particles is further increased; and therefore, the low-temperature applicability of the electrolyte is improved.

The invention belongs to the technical field of bridge construction, and particularly relates to a broken line pre-tensioning method concrete precast beam bogie device and a construction method, the broken line pre-tensioning method concrete precast beam bogie device comprises a base, and further comprises a supporting device, a driving device and a self-locking device which are mounted on the base. According to the broken line pre-tensioning method concrete precast beam bogie device and the construction method, by arranging the driving device, steering of a tensioning broken line and starting of a double-shaft motor can be rapidly completed, a transmission rod can be driven to rotate, and a driving sleeve can be conveniently engaged with a bevel gear of a supporting lead screw by moving on the transmission rod; after the position of an adjusting seat is adjusted, a connecting plate can be conveniently detached and fully used, a stabilizing rod and a transmission rod are slidably connected in an inserted mode, a driving sleeve can be conveniently supported, and the transmission rod and the driving sleeve can be fixed and rapidly released through a shaft locker; therefore, the steering of the tension broken line can be quickly completed.

The utility model discloses a hoistway-free elevator floor crossing device, which relates to the technical field of elevators and comprises an elevator frame, a transverse plate is mounted at the rear end of the elevator frame, a driving component is mounted on the left portion of the upper end of the transverse plate, a moving component is mounted on the front portion of the upper end of the transverse plate, and the driving component is fixedly connected with the moving component. Two moving plates which are symmetrically distributed left and right are mounted at the front end of the moving part, first telescopic plates are movably arranged in the two moving plates in a sleeving manner, and two second telescopic plates are movably arranged in the two first telescopic plates in a sleeving manner. The two sets of moving plates can be driven to move synchronously by arranging the moving part, it is guaranteed that the two moving plates are opened or closed evenly, normal passing of an elevator is facilitated, stability and safety of the elevator are guaranteed, and maintenance and repair cost and workload are reduced; therefore, the moving plate can move quickly, and the working efficiency is improved.

This invention discloses a precision testing device for planetary roller screw pairs, including a testing platform with symmetrically mounted fixed plates on its top. A servo motor is fixedly mounted on one side of one of the fixed plates. The device also includes two sets of support rods symmetrically mounted below the two fixed plates, and a positioning assembly positioned between the two fixed plates. The positioning assembly includes two movable frames and limiting components symmetrically positioned on both sides of the two movable frames. This allows for easy switching between different sized positioning plates when dealing with different types of planetary roller screw pairs, facilitating reliable positioning of the nut or screw according to the type of planetary roller screw pair. Furthermore, after switching, when positioning a reverse planetary roller screw pair, multi-point positioning of the screw in the pair can be quickly achieved, facilitating the movement of the screw in the reverse planetary roller screw pair while preventing rotation during screw movement, thus improving testing accuracy.

The application discloses a kind of fast escapee cooperative hunting method, belong to multi-agent cooperative control field.The application implementation method is: according to the state observation information of escapee and the state information of pursuer oneself determines opposite azimuth, task allocation and communication topology transformation are carried out to pursuer, and pursuer is divided into a hunter and two groups of besiegers;Based on the speed ratio of pursuit and escape and parallel guidance law, hunter hunting strategy is formulated for the hunter, so that the hunter quickly approaches the escapee while trying to keep the azimuth angle unchanged with the escapee;According to the state information of escapee and adjacent pursuer, besieger hunting strategy is formulated for the besieger, to ensure that the Apollo circle between adjacent pursuers does not produce escape gap as far as possible while reducing the distance between the escapee and the Apollo circle, and balance the relationship between the two;Based on the hunter hunting strategy and the besieger hunting strategy, the cooperative hunting of the fast escapee is realized.The application improves the success rate and hunting efficiency of the fast escapee hunting.

The utility model discloses a deep soil sampling device for soil detection, which comprises a rotating shell and sliding support grooves arranged on the inner wall of the rotating shell, two sliding connection plates are slidably connected in the sliding support grooves at corresponding positions, the lower ends of the sliding connection plates are fixedly connected with rotating support plates, and the rotating support plates are fixedly connected with the rotating support plates. A rotating rod is rotatably arranged in the middle of the rotating supporting plate, a fixed connecting rod is fixedly connected to the outer side of the rotating rod, a rotating frame is rotatably connected to the fixed connecting rod, the connecting modes of the supporting disc and the clamping disc are consistent, and a soil detector is slidably connected to the interior of the rotating shell. A collecting box is slidably connected to the interior of the rotating shell, and the collecting box and the soil detector are not used at the same time; according to the soil sampling device, the stability of the internal space can be guaranteed when the rotating shell moves downwards, and the safety and stability of the device during rotation and sampling are improved when soil needs to be collected or detected.

The invention discloses an efficient spraying dust removal device for building construction. The efficient spraying dust removal device comprises a bearing seat and a spraying assembly. A mounting seat, an adjusting part, a retaining part, a driving part and a pushing handle are arranged in the spraying assembly, the pushing handle is rotated, the pushing handle is kept to push the driving part upwards, the driving part is made to push the retaining part through the second hinge rod and rotate with the first hinge rod as the center, and the limiting area is kept to be opened. According to the efficient spraying dust removal device for building construction, spraying dust removal is conducted on passing vehicles in the mode that the angle of the spraying water pipe can be adjusted, and it is avoided that a large amount of dust is raised when the vehicles enter and exit. And meanwhile, the angle of the spraying water pipe can be rapidly adjusted by the spraying assembly in a pressing rotation mode, and the driving part can be controlled by pulling or pushing the handle according to the spraying assemblies at different positions, so that rotation of the maintaining part is achieved, and the purpose of rapidly disassembling and assembling the water pipe is achieved.

The wall-mounted lamp capable of being hidden comprises a fixing rod, the surface of the fixing rod is rotationally connected with a first sleeve and a second sleeve respectively, a mounting plate is fixedly mounted on the surface of the first sleeve and the surface of the second sleeve, and a wall-mounted lamp structure is arranged on the surface of the mounting plate. A limiting structure capable of limiting rotation of the first sleeve is arranged between the first sleeve and the fixing rod. When the mounting plate is rotated anticlockwise, the lamp panel can be rotated to be exposed to provide illumination, meanwhile, when the lamp panel does not need to be used for illumination, the mounting plate can be rotated clockwise, the decorative picture can be exposed to be watched by people at the moment, the lamp panel is hidden, and therefore the attractiveness of indoor decoration is improved; at the moment, the pawl slides along the surface of the ratchet wheel, rotation of the mounting plate is not affected, and after rotation is stopped, the pawl limits rotation of the ratchet wheel, so that clockwise rotation of the mounting plate due to self weight can be avoided, and stability of the mounting plate after rotation is improved.

The application relates to a character-to-pinyin conversion method and device, computer equipment and a storage medium. The method comprises the following steps: obtaining a uniform code corresponding to a to-be-converted character; based on the uniform code, searching for an offset value of a target separation code corresponding to the to-be-converted character in a bit vector of a pinyin dictionary; the bit vector is combined by character codes corresponding to each character; the character code comprises a separation code and a pronunciation quantity code of the character; in the bit vector, the target pronunciation quantity code of the to-be-converted character is queried according to the offset value; based on the offset value and the target pronunciation quantity code, the target pinyin identification code corresponding to the to-be-converted character is queried in a pinyin identification code vector of the pinyin dictionary; and the pinyin of the to-be-converted character is determined according to the target pinyin identification code. The method can improve the conversion speed of character-to-pinyin conversion.

This utility model relates to the technical field of pipette holders, and discloses a pipette holder including a base. A rotating rod is rotatably connected to the top of the base, and a rotating handle is fixedly connected to the top of the rotating rod. A fixed plate is fixedly connected to the outer top side of the rotating rod. Multiple guide blocks are fixedly connected inside the fixed plate, and protective sleeves are fixedly connected to the bottom of each guide block. A pipette assembly is disposed inside the protective sleeve. A rotating disk is fixedly connected to the bottom of the rotating rod, and multiple slots are formed inside the rotating disk. A fixed ring is fixedly connected to the inner right side of the base, and a sliding groove is formed on the inner bottom side of the fixed ring. With this utility model, users no longer need to search among numerous pipettes; they can quickly rotate the required pipette to a convenient position, greatly saving operation time and improving experimental efficiency.

The utility model discloses a diamond drill bit capable of preventing angle deviation, which comprises a drill bit main body, a plurality of drill teeth arranged at the bottom of the drill bit main body, an anti-deviation mechanism arranged at the bottom of the drill teeth and used for preventing the drill bit from deviating when the drill bit is used for drilling, and a spiral groove arranged on the outer side of the bottom of the drill bit main body. A mounting ring is arranged on the inner side of the bottom of the drill bit body, a mounting block is arranged on the mounting ring, the mounting ring is welded to the inner side of the drill bit body, the mounting block is welded to the bottom of the drill bit body, and a detachable non-coring pipe is arranged on the inner side of the drill bit body. During rotation, the fixed block is firstly drilled into the lower portion of a stone so as to prevent the stone from deviating, when coring is not needed, the inner side non-coring pipe and the core crushing piece are rotated so that the core crushing block can crush the stone, and the rotating opening rotates on the rotating rod so that the core crushing piece can rotate so as to prevent the inner side gravel from being clamped.

The present invention relates to a method for steering a drone cluster based on differential acceleration, and belongs to the field of drone cluster formation. The present invention comprises the following steps: S1: obtaining the initial drone position and establishing a drone cluster dynamics equation; S2: updating and obtaining the position vector of each drone and determining all drone neighbor sets within the drone communication range; S3: calculating the resultant force of repulsion and gravity and the differential acceleration according to the virtual force guidance principle; S4: defining the acceleration adjustment coefficient, and dynamically adjusting the acceleration in real time according to the continuous change of the position during the steering process of the drone cluster; S5: continuously calculating the resultant force through the change of acceleration to change the motion state of the drone, so that each drone with different positions has a suitable acceleration. When the drone cluster is steering, the motion process is similar to a rigid body, and the distance between two adjacent drones remains relatively stable; S6: judging whether the cluster steering is completed. If so, the steering ends; if not, returning to S2 to continue execution. In the cluster steering process, in order to avoid collision and separation of drones and control energy consumption, corresponding constraints are established. The present invention can dynamically adjust the acceleration according to the defined acceleration adjustment coefficient when the drone cluster turns, so as to realize the rapid turning of the drone cluster, make the drone cluster move like a rigid body, and increase the cohesion of the drone cluster.

The invention relates to a passive and passive trigger pulse generation circuit. The circuit comprises a charging loop and a discharging loop, the charging loop charges the energy storage capacitor; the discharge loop comprises a voltage sensitive component, after the voltage at the two ends of the energy storage capacitor reaches the set voltage value of the voltage sensitive component, the energy storage capacitor discharges through the discharge loop, and the power pulse is loaded to the load to form the power pulse. A control mode of a power pulse and a circuit topological structure principle are innovated, a passive mode is adopted, passive triggering is carried out, and the voltage of a power source is utilized (high voltage can be directly used for charging an energy storage capacitor without being converted into low voltage to charge the energy storage capacitor) to be matched with the characteristic of a passive voltage sensitive component (generally used for circuit protection traditionally); and outputting a power pulse signal.

The utility model discloses a heating and ventilation round pipe orifice polishing device which comprises a workbench, a fixed seat is fixedly connected to the workbench, a movable seat is arranged on one side of the fixed seat, the movable seat is in sliding connection with the workbench, the upper end face of the fixed seat and the upper end face of the movable seat are each fixedly connected with two symmetrical positioning frames, and placing rollers are fixedly connected to the positioning frames. A fixing frame is fixedly connected to the upper end face of the workbench, the distance between the movable base and the fixing base can be adjusted through movement of the movable base, a pipeline can be placed in cooperation with use of placing rollers on the upper end face of the movable base and the upper end face of the fixing base, and a first electric telescopic column stretches out to drive a lower pressing block to move downwards; the upper end of the pipeline is fixed through cooperation with a V-shaped groove in the lower end face of a lower pressing block, it is guaranteed that the pipeline is kept stable enough in the clamping and fixing process, the grinding disc is driven to rotate rapidly through cooperation with use of a driving motor, a pipe opening of the pipeline is ground rapidly and accurately, and the working efficiency is improved.

The invention discloses a rotary leveling auxiliary control method and system and an excavator. The control system comprises a controller, a rotary platform, a movable arm, a bucket rod, a bucket, a movable arm oil cylinder, a bucket rod oil cylinder, a bucket oil cylinder, a movable arm oil cylinder displacement sensor, a bucket rod oil cylinder displacement sensor, a bucket oil cylinder displacement sensor and a rotary pressure sensor. The controller controls the bucket tooth tip position and the bucket angle by controlling the length of the movable arm oil cylinder, the length of the bucket rod oil cylinder and the length of the bucket oil cylinder, and the bottom face of the bucket is controlled to be parallel to the operation datum plane. In the system, the movement of the movable arm, the bucket rod and the bucket is controlled in a combined manner, so that the bottom surface of the bucket is always parallel to the operation reference surface, rapid rotary leveling is realized, and a good leveling effect is obtained.

The utility model discloses an axial flow fan outlet airflow large corner drag reduction device, which relates to the technical field of axial flow fans, and comprises a flow guide cover, a flow guide ring and a flow dividing ring, the flow guide cover is used for being fixed in an air cap and covered above a casing, the flow guide cover is of a structure with a concave middle part, the outer edge of the flow guide cover is attached to the inner wall of the air cap, and the flow dividing ring is arranged on the flow guide cover. A flow guide channel for air flow in a main flow area of the fan outlet to flow out is formed among the flow guide cover, the air cap and the upper edge of the machine shell; the flow guide ring is used for being fixed to the upper edge of a machine shell, the outer wall of the flow guide ring is attached to the inner wall of the upper edge of the machine shell, the section of the flow guide ring is in a streamline shape with the round upper portion and the sharp lower portion, and the flow dividing ring is used for being fixed to the upper portion of the flow guide ring. A flow dividing channel allowing airflow of a near-wall-face area of the fan outlet to flow out is formed between the flow dividing ring and the flow guiding ring. The utility model further discloses an axial flow fan system which comprises the axial flow fan, an air cap and the axial flow fan outlet airflow large-rotation-angle resistance reduction device.

This utility model discloses an automatic rubber-coating machine for producing rubber-coated tires, including a support block. A groove is provided on one side of the upper end of the support block, and a pneumatic telescopic mechanism is mounted on the groove. A support column is installed on the pneumatic telescopic mechanism, and a clamping mechanism is installed at the upper end of the support column. A fixing frame is fixed on one side of the upper end of the support block, and a circular support is mounted on the fixing frame. An annular mounting plate is fixed on the inner sidewall of the circular support, and multiple auxiliary wheels are rotatably connected at equal intervals around the annular mounting plate. This utility model achieves rapid fixing and rotation of the rubber-coated tire, reducing manual operation time and workload. Simultaneously, the stable support structure ensures the continuity of the rubber-coating process, avoiding interruptions caused by tire wobbling, greatly improving production efficiency. Furthermore, the high degree of automation reduces the skill requirements for operators and lowers labor costs.

The utility model relates to the technical field of water meters, and discloses a tap water direct drinking purified water meter which is composed of a meter shell, an isolation cover, a rotating shaft, a water inlet pipe and the like, an electromagnetic coil is fixedly arranged in the side wall of the isolation cover, and the output end of the isolation cover is electrically connected with an indicator lamp. When the water meter needs to be overhauled and the impeller is driven by water flow to rotate, the reciprocating magnetic sliding block is promoted to reciprocate up and down in the isolation cover through the reciprocating thread on the rotating shaft, and at the moment, the electromagnetic effect is formed by matching the up-down reciprocating motion of the reciprocating magnetic sliding block with the electromagnetic coil, so that the electromagnetic coil generates current; as the output end of the electromagnetic coil is electrically connected with the indicator lamp, the current generated by the electromagnetic coil can be transmitted to the indicator lamp and drives the indicator lamp to emit light, and a maintainer can judge whether the interior of the water meter is blocked or not only by opening the valve to watch whether the indicator lamp emits light or not, and the water meter does not need to be disassembled.

This utility model discloses an easy-to-clean electric cooker lid structure, relating to the field of kitchenware technology. It includes a lid body, a connecting block connected to the outer surface of the lid body, a positioning plate connected to the bottom surface of the lid body, a threaded rod rotatably connected inside the connecting block, a limit block threadedly connected to the outer surface of the threaded rod, an installation block slidably connected to the outer surface of the positioning plate, a sleeve rotatably connected to the outer surface of the installation block, an insert block engaged inside the sleeve, and a brush slidably connected to the outer surface of the insert block. Through the cooperation of the threaded rod and the brush, the threaded rod can rotate, allowing it to be pulled out from the limit block, enabling the lid body to be removed and rinsed under a tap. The rotating brush allows the user to quickly clean the inside of the lid body, solving the problem of sponge blocks being inconvenient for quick cleaning.