103results about How to "Full flow" patented technology

The invention relates to the field of transformers, in particular to an oil-immersed transformer with an intelligent temperature control system. An inner cavity of the transformer is divided into an infiltration cavity wrapping the outer side of an iron core winding, an upper outflow cavity and a lower outflow cavity through a pair of partition plates, and the upper outflow cavity and the lower outflow cavity are located on the two sides of the infiltration cavity; insulating oil is injected from the middle of the infiltration cavity and flows out from the upper outflow cavity and the lower outflow cavity, then mixing heat exchange of the insulating oil is carried out in the mixing barrel, a traditional natural flowing path formed by temperature difference of the insulating oil is replaced, and the insulating oil can reach the state that heat is evenly distributed more quickly; the problem of local overheating of the iron core winding caused by slow heat exchange due to natural flowing of the insulating oil is solved, meanwhile, the insulating oil fully flows in the infiltration cavity and fully flows and is in contact with the surface of the iron core winding through the confluence disc arranged on the partition plate, the spray pipe provided with a pair of spray holes and the flow guide column, and the heat dissipation efficiency is further improved.

The utility model discloses a sand box for casting, which relates to the technical field of sand boxes and comprises a lower box body, first handles are respectively arranged at the front end and the rear end of the lower box body, limiting blocks are fixedly connected at four corners of the upper end of the lower box body, an upper box body is arranged at the upper end of the lower box body, and second handles are respectively arranged at the front end and the rear end of the upper box body. Under the combined action of the lower box body, the limiting block, the upper box body, the connecting plate, the adjusting bolt and the movable plate, the sand box can be conveniently combined, fixed and disassembled during use, under the combined action of the placing frame, the telescopic push rod, the clamping plate, the lifting device and the push plate, the sand box can be conveniently clamped and fixed, and the sand box is prevented from being damaged during casting. When the sand box moves or inclines, under the combined action of a base, a vibrator, a telescopic rod, a second spring and a buffer seat, when the sand box is used, casting sand in the sand box can fully flow when being filled, and the compactness of the sand box is ensured.

The invention relates to the technical field of electronic information, and discloses a scale-like fin type micro-channel cold plate with a secondary channel. A first flowing channel is formed in the cold plate body; the fin plates are sequentially laid in the first flowing channel in the first direction, a plurality of fish scale-shaped protrusions are sequentially arranged on the two side faces of each fin plate in the flowing direction of the cooling liquid in a staggered mode, and the section of each fish scale-shaped protrusion is of a semi-oval structure; fish scale-shaped grooves are formed in the other side surfaces, corresponding to the fish scale-shaped bulges, of the fin plates; and each second flow channel is formed between every two adjacent fin plates. According to the fish scale-like fin type micro-channel cold plate containing the secondary channels, the flowing pressure of cooling liquid in the micro-channels is reduced, a boundary layer is broken, the heat dissipation temperature of the cold plate is uniform, and meanwhile the heat dissipation efficiency is improved.

The invention relates to the technical field of manipulators, in particular to a feeding device for mechanical part machining, which comprises a manipulator, a deep groove ball bearing is arranged on the manipulator, the deep groove ball bearing comprises a bearing inner ring, a roller and a bearing outer ring, a retainer is arranged between the bearing inner ring and the bearing outer ring, the retainer is provided with a plurality of limiting rings, and the limiting rings are arranged on the bearing inner ring and the roller. The limiting rings are used for installing rollers, the multiple limiting rings are evenly distributed around the axis of the bearing inner ring, the axis of each limiting ring is perpendicular to the axis of the bearing inner ring, and a guide plate is arranged between every two adjacent limiting rings. The axial direction of the bearing inner ring is set to be the left-right direction, the inclination directions of the multiple guide plates are consistent, a certain included angle is formed between each guide plate and the axis of the bearing inner ring, and when the retainer rotates around the axis of the bearing inner ring, the multiple guide plates can guide lubricating liquid in the deep groove ball bearing to obliquely flow in the left-right direction; the lubricating effect of the roller and the limiting ring is enhanced, and the abrasion degree of the roller and the limiting ring is reduced.

A liquid cooling heat dissipation shell comprises an annular outer shell, a liquid cooling base, a liquid cooling cover plate, an upper cover plate and a lower cover plate. A bent groove is formed in the upper surface of the liquid cooling base, the liquid cooling cover plate covers the liquid cooling base and blocks the bent groove to form a liquid cooling flow channel, and a liquid inlet and a liquid outlet are formed in the annular shell; a plurality of first shunting ribs are arranged on the bottom surface of the bent groove, a first arc-shaped guide rib is arranged at the turning position of the liquid cooling flow channel, at least one torrent area is formed on the bent groove, and a first partition plate and at least one drainage boss are arranged in the torrent area on the bottom surface of the bent groove; the length direction of the drainage boss is perpendicular to the cooling liquid flowing direction of the area where the drainage boss is located. A cover plate groove corresponding to the torrent area is formed in the lower surface of the liquid cooling cover plate, a plurality of second shunting ribs are arranged on the bottom face of the cover plate groove, the height of the second shunting ribs is smaller than the depth of the cover plate groove, a second partition plate corresponding to the first partition plate is arranged on the bottom face of the cover plate groove, and the lower surface of the second partition plate abuts against the upper surface of the first partition plate.

The invention relates to the technical field of automobile part structures, in particular to a planet row speed reducer lubricating structure for coaxial distributed driving. Comprising a shell, an input shaft, a gear ring, a plurality of planetary gears, a plurality of planetary shafts, a planetary carrier and an oil receiving disc. The gear ring is of an annular structure fixed to the shell. The planetary gears are arranged at intervals in the circumferential direction of the input shaft with the axis of the input shaft as the center, and the planetary gears are meshed with the input shaft and the gear ring; one end of the planetary shaft penetrates through the planetary gear; the planet carrier is sleeved on the input shaft in a manner of rotating around the axis of the input shaft, the planet carrier is fixedly connected with the other end of the planet shaft in the direction of rotating around the axis of the input shaft, and the oil receiving disc is fixed on one axial side of the planet carrier; and the oil liquid sprayed out of the oil liquid channel of the shell is uniformly distributed to the planet carrier, the planet gear, the planet shaft and the first bearing structure in the axial direction. The speed reducer is simple in structure, a special electronic pump does not need to be configured, the energy effect is greatly reduced, and the problem that the NVH effect is poor is solved.

The invention relates to electronic equipment of the internet of things, and discloses wearable equipment, an injection molding system of the wearable equipment and an opening and manufacturing method of the wearable equipment. The injection molding system comprises a mold, a bracket, a circuit board and a battery, the circuit board and the battery are fixed on the bracket, and the battery supplies power to the circuit board; the mold is provided with a hollow cavity, and the bracket on which the circuit board and the battery are fixed is arranged in the cavity; one part of the bracket is in contact with the mold so as to stably arrange the bracket in the cavity; the circuit board and the battery are arranged in the cavity and are not in contact with the inner surface of the cavity; the mold comprises at least one injection molding hole communicating the cavity with the exterior of the mold. According to the injection molding system, integrated packaging of products can be achieved, the waterproof performance and the structural strength are improved, meanwhile, the production cost is reduced, and the production efficiency is improved.

The invention relates to the field of dies, in particular to a forging die for a metal forge piece and a die design method.The metal forge piece is in a hollow cone shape and comprises a flange plate and a conical face located on the flange plate, and a through hole is formed in the conical face; the forging and pressing die comprises a female die and a male die which are oppositely arranged, forging and pressing protrusions are arranged on the female die and / or the male die, the height of the forging and pressing protrusions is 13-17 mm, and the hole diameter of the through hole is smaller than the diameter of the forging and pressing protrusions. According to the method, the average deformation, the underpressure value and the curved surface thickness of the forge piece can be effectively controlled to reach the ideal value range, the forging protrusions extrude materials in the forming process, more flange plate materials of the forge piece flow in, forming is more sufficient, and therefore it is ensured that the forge piece is formed in place, and meanwhile materials are saved.

The invention belongs to the field of rapid detection of grain mildew, and particularly relates to an electronic nose system and application thereof to detection of different mildew degrees of grains. The electronic nose system is composed of a data storage module, a wireless communication module, a conditioning circuit board, a single-chip microcomputer, an air inlet pipe, a sensor array, a sensor air chamber, a connecting pipe, an air outlet pipe and an air pump. Wherein a guide plate is arranged in the sensor air chamber to divide the air chamber into different parts, and sensors are arranged at the different parts; therefore, the flow path of the grain volatile gas in the gas chamber is prolonged, and the sensor is ensured to be fully contacted with the gas. Meanwhile, an electronic nose system and a machine learning algorithm are used for grain mildewing detection in the granary, the mildewing degree can be accurately determined, quantitative prediction is carried out, and the method has the advantages of being high in precision and rapid in detection and is suitable for on-site rapid qualitative detection of grains in the granary; and the method has the characteristics of low cost, simplicity, convenience and high efficiency, and has a remarkable application value in the field of grain mildewing.

The utility model discloses an electric actuator convenient for heat dissipation, and relates to the technical field of engineering elements or parts. The electric actuator convenient to dissipate heat comprises an electric actuator body, and the left side of the electric actuator body is fixedly connected with a heat dissipation box; the heat dissipation assembly comprises a fixing rod, the surface of the fixing rod is slidably sleeved with a fan connecting block, the lower end of the fan connecting block is fixedly connected with a heat dissipation fan, the lower end of the heat dissipation fan is fixedly connected with a second rack, and the left end and the right end of the second rack are fixedly connected with two connecting rods respectively. A fixing base is fixedly connected into the heat dissipation box, through the combined action of a gear, a first rack and a second rack, the second rack can move quickly, the heat dissipation range of a heat dissipation fan is widened conveniently, the heat dissipation fan can drive air in the electric actuator body to flow more fully and comprehensively in the moving process, and the heat dissipation effect is improved. The heat dissipation speed and efficiency are improved, the heat dissipation efficiency is improved, and it is ensured that the temperature is kept within a safe range when equipment operates.

The utility model relates to the field of flue gas treatment, in particular to a partitioned blowing device, which comprises a gas distribution device, a blowing pipe and branch pipes communicated with the blowing pipe, one end of the blowing pipe is closed, the other end of the blowing pipe is used for feeding gas, the branch pipes are divided into a plurality of groups, and the opening and closing of the blowing pipe and the branch pipes are controlled by the gas distribution device. And when the air inlet of any group of branch pipes is communicated with the blowing pipe, the other groups of branch pipes and the blowing pipe are closed. By using the blowing pipe, when the dust of the filter bag needs to be removed, the flow of gas in the branch pipes of the blowing pipe can be multiplied as the flow of a high-pressure fan or an air compressor, so that the dust blowing capability is multiplied. And sufficient soot blowing can be carried out on large-area filter elements such as pleated filter cartridges and pleated filter bags. Meanwhile, the soot blower is small in size, the whole dust remover device is compact in structure, and flow field distribution is reasonable.

The invention relates to a nickel-based single-crystal high-temperature alloy and a preparation method thereof, and relates to the technical field of single-crystal high-temperature alloys. According to the main technical scheme, the nickel-based single crystal high-temperature alloy is prepared from the following chemical components in percentage by mass: 6 to 8 weight percent of Cr, 7 to 9 weight percent of Co, 1 to 3 weight percent of Mo, 7 to 9 weight percent of W, 5 to 7 weight percent of Ta, 5 to 7 weight percent of Al, 0.5 to 2 weight percent of Ti, 0.5 to 1 weight percent of Nb, 0.008 to 0.013 weight percent of N and the balance of Ni. After the Nb and the trace element N are introduced, the void ratio in the as-cast alloy is reduced by 35%, the void ratio of the heat-treated alloy is reduced to 28% after treatment of a set heat treatment process, and the high-temperature strength and the endurance life of the low-cost second-generation single-crystal high-temperature alloy are further improved. The nickel-based single-crystal high-temperature alloy is particularly suitable for manufacturing hot-end high-temperature components with long service life and high reliability in the fields of aviation, aerospace, energy and the like.

The utility model relates to the technical field of semiconductor testing equipment, in particular to an ultralow-temperature-resistant and high-temperature-resistant centrifugal turbofan which comprises a motor, a centrifugal wind wheel, a fan cavity and a medium conveying pipeline. The two ends of the sealing cover plate are rotationally connected with a driving shaft and a driven shaft which extend into the draught fan cavity correspondingly, the two centrifugal wind wheels are connected with the lower end of the driving shaft and the lower end of the driven shaft correspondingly, and the end of the medium conveying pipeline communicates with the portion, between the two centrifugal wind wheels, of the draught fan cavity. A transmission part is arranged between the driving shaft and the driven shaft above the sealing cover plate, and the top end of the driving shaft is connected with a motor shaft of the motor; the centrifugal turbine resistant to the ultralow temperature and the high temperature is convenient to install and maintain, suitable for being used in the harsh environment, low in failure rate in the harsh environment and longer in service life.

The invention discloses a liquid chromatography piston which comprises a connecting plate, two chromatographic columns are fixed below the connecting plate, and each chromatographic column is filled with a stationary phase filler; the two pistons are respectively arranged in the chromatographic column in a sliding manner, and threaded pipes are fixed above the pistons; the two nuts are rotationally arranged on the connecting plate respectively and are in threaded connection with the two threaded pipes respectively, and the position of the piston in the chromatographic column can be adjusted by rotating the nuts, so that the column length and the column pressure of the chromatographic column are changed; the two connecting strips are respectively fixed at the upper ends of the threaded pipes; the two liquid inlet pipes are arranged in the threaded pipe in a sliding mode, and the upper end of each liquid inlet pipe penetrates through the connecting strip and is fixedly connected to the same fluid director; compared with the prior art, the method has the advantages that the column pressure, the column length and the filling amount in the chromatographic column are flexibly regulated and controlled, the analysis time and the resource utilization can be optimized, and a remarkable progress is brought to the field of liquid chromatography analysis.

This utility model provides an auxiliary casting device for casting molds, relating to the field of casting equipment technology. Specifically, it includes two bases. One base has an L-shaped fixing seat fixedly installed on one side. Two hydraulic cylinders are mounted on the top of the L-shaped fixing seat, and both cylinders penetrate and are fixedly connected to the L-shaped fixing seat. The other base is slidably connected to the L-shaped fixing seat. Two pedestals are positioned between the two bases, and two casting mold bodies are mounted on the sides of the two pedestals that are close to each other. This application uses a servo motor output to drive a fixed rod and a cam to rotate, and a return spring to push the casting mold bodies fixed on the pedestals back to their original position, generating a periodic thrust to achieve auxiliary vibration of the mold. This vibration effectively breaks the bubble structure inside the casting liquid, causing the bubbles to escape, and simultaneously pushes the casting liquid to flow fully into the corners and gaps of the mold cavity, ensuring that the casting liquid is evenly distributed within the mold.

The limestone powder rapid drying device comprises a box body, the right side of the bottom of an inner cavity of the box body is fixedly connected with a drying box, the top of an inner cavity of the drying box is fixedly provided with a motor, the bottom of the motor is fixedly connected with a stirring rod, and the bottom of the stirring rod penetrates through the inner cavity of the drying box and is fixedly connected with stirring blades. According to the limestone powder drying device, the air suction pipe is conveniently driven to absorb air through the air heater, after the air is converted into hot air through the air heater, the hot air is discharged into the inner cavity of the box body through cooperation of the air outlet head and the drying box, the inner cavity of the box body is heated, moisture contained in limestone powder is evaporated, and therefore the purpose of drying the limestone powder is achieved; and through the motor, a stirring rod is conveniently driven to rotate, so that the stirring rod drives stirring blades to rotate, limestone powder raw materials are stirred through rotation of the stirring blades, hot air can fully flow, and the drying uniformity is improved.

The invention discloses a sulfur-free FR-4 copper-clad plate and a preparation method thereof, and belongs to the technical field of copper-clad plates. The copper-clad plate is prepared from sulfur-free epoxy resin, a sulfur-free curing agent, a sulfur-free flame retardant, organic silicon hybrid macromolecules, tetrafunctional epoxy resin, linear phenolic resin, microencapsulated ammonium polyphosphate, melamine cyanurate, surface grafting modified boehmite nanorods and filler. Through the design of a sulfur-free system, the sulfur content of the product is lower than 50 ppm, and the problems of contact resistance increase, unstable signal transmission and the like caused by sulfide migration of a traditional FR-4 copper-clad plate in a high-temperature and high-humidity environment are thoroughly solved. Meanwhile, the organic silicon hybrid macromolecules and the high-functionality epoxy resin have a synergistic effect, so that the balance of high glass transition temperature and high toughness is realized. The copper-clad plate has excellent dielectric property, flame retardant property and long-term reliability, and meets the development requirements of high reliability and high performance of electronic products.

The utility model relates to the technical field of bread production, and provides a cabinet type fermentation chamber for bread production, which comprises a cabinet body and a door plate frame, the door plate frame is arranged on the cabinet body, a movable pick-and-place assembly is arranged between the cabinet body and the door plate frame, a ventilation assembly is arranged in the cabinet body and the door plate frame, and a heating and humidifying assembly is arranged in the cabinet body. The telescopic cylinders are fixed to the inner surface of the cabinet body, the output ends of the telescopic cylinders are connected with the interior of the door plate frame, and the joints of the door plate frame and the telescopic cylinders sleeve the telescopic cylinders. By means of the technical scheme, the problems that in the prior art, due to the fact that an existing fermentation chamber for producing bread is not provided with a circulation promoting mechanism, air flows slowly, a certain temperature difference or humidity difference exists between different areas in the fermentation chamber, the fermentation degrees of bread in the same batch are not consistent, and the fermentation efficiency is poor are solved. And the layout mode and the structure are inconvenient to take and place, and the operation is relatively inconvenient.

The utility model relates to the technical field of water source extraction, and discloses a water source extraction assembly for an iron and steel plant, which comprises a box body, a filter plate fixedly mounted on the box body, and a treatment box fixedly mounted in the box body; the water pumping assembly is connected with the interior of the box body through a pipeline; the transmission assembly is arranged between the box body and the filtering plate, the transmission assembly can clean the filtering plate in a reciprocating mode, the transmission assembly comprises a protection shell, a threaded rod, a transmission rod and a cleaning plate, and when the filtering plate filters water, the transmission assembly drives the cleaning plate to move in a reciprocating mode through cooperation of internal components; meanwhile, a cleaning plate can only move horizontally through cooperation with a guide block, and impurities on the filter plate are driven to the direction of a sewage draining exit through friction between the cleaning plate and the surface of the filter plate during reciprocating translation and slide downwards through the inclination angle of a baffle, so that the impurities are discharged from the sewage draining exit; a large amount of impurities are prevented from being accumulated on the surface of the filter plate after long-time filtering, and the filtering effect is reduced.

The utility model relates to a pneumatic turbulent flow dye liquor blending device, in particular to a pneumatic turbulent flow weaving dye liquor blending device which comprises a blending box, a vortex air pump used for supplying air is arranged at the top of the blending box, and a pneumatic turbulent flow mechanism is arranged in the blending box. The mixing box is internally provided with two air nozzles, the two air nozzles are arranged in the mixing box, the pneumatic turbulent flow mechanism comprises an air blowing mechanism and a driving mechanism used for driving the air blowing mechanism to move up and down in the mixing box, and the air blowing mechanism is provided with a switching mechanism. Vortex and turbulent flow generated in the forward direction and the reverse direction can enable dye to form a more complex fluid circulation path, a fixed flow pattern formed by one-way flow is broken, mixing dead angles are reduced, meanwhile, the pneumatic turbulent flow mechanism can be driven to reciprocate up and down in the uniform mixing box, the dye can fully flow in the uniform mixing box, and uniform distribution of the dye is ensured.

The present invention provides a trajectory design method for a trapezoidal cross-section grid structure, including: designing two circumferential and longitudinal basic trajectories that are completely fitted with the lower bottom surface of the trapezoidal cross-section grid structure rib; calculating the number of laying layers that are offset once according to the slope of the trapezoidal cross-section grid structure and the thickness of the single wire of the prepreg; obtaining the offset trajectories of the longitudinal reinforcement and the annular reinforcement respectively by changing the mold rotation angle and the axial position of the wire laying head; arranging the laying order and position at the grid structure node based on the number of offset cycles; dividing the node area into four areas: upper left, lower left, upper right, and lower right, and the annular reinforcement and the longitudinal reinforcement are alternately laid four times as one laying cycle; the next offset cycle laying starts to deviate from the position where the previous offset cycle laying process ends as a reference, repeating steps 2-4, and completing the laying process of the entire annular longitudinal reinforcement grid structure. The present invention has simple steps, does not destroy the continuity of the fiber, and can minimize the accumulation of the fiber.

The invention discloses a semi-soaking corrosion device, and relates to the technical field of printing roller processing, the semi-soaking corrosion device comprises a soaking tank, a plate roller rotating mechanism and a flow stirring paddle, the plate roller rotating mechanism is used for installing a plate roller and driving the plate roller to rotate, and the rotating center line of the plate roller rotating mechanism is parallel to the length direction of the soaking tank; a partition plate is arranged in the soaking tank and is used for vertically partitioning the space in the soaking tank; the partition plate is provided with side plates and a baffle, the baffle is located below the partition plate, the baffle is parallel to the length direction of the soaking tank, and the baffle is used for separating the area below the partition plate and the area outside the partition plate; the side plate is perpendicular to the length direction of the soaking tank and is used for separating an area above the partition plate from an area outside the partition plate, and the side edge of the baffle, the lower edge of the side plate and the inner wall of the soaking tank form a backflow notch; the flow stirring paddle is installed on a roller shaft of the printing roller in the using state and located on the side, away from the partition plate, of the side plate. According to the device, the soaking liquid in the soaking tank can circularly flow up and down, so that the corrosion processing efficiency is improved.

The utility model discloses a kind of stirring devices for crosslinking agent production, including stirring barrel, the upper end of the stirring barrel is provided with cover, the lower end of the cover is provided with the stirring mechanism for stirring material, the stirring mechanism includes rotating link in the lower end of cover, the inside of the rotating link is provided with cavity.The utility model structure is reasonable, when crosslinking agent particle is just mixed with solution, adjust mechanism is adjusted into horizontal state by stirring paddle, stirring paddle at this time, in rotating process, the edge blade of its upper and lower two sides can effectively crush larger granular matter, improve the dispersivity of material, lay good foundation for subsequent mixing process, after granular matter is crushed, adjust mechanism is adjusted into vertical state by stirring paddle at this time, the rotation of stirring paddle, can expand stirring range, make material fully flow in stirring barrel, realize rapid mixing, improve mixing uniformity and production efficiency.

This utility model discloses an intelligent constant temperature and humidity incubator for edible fungi, belonging to the technical field of edible fungi incubators. It includes a cabinet with elongated air vents on its inner sidewall and a flow equalization mechanism on the outer back of the cabinet. The flow equalization mechanism includes an airflow mixing chamber sealed to the back of the cabinet. A vortex hood is fixed to the side of the airflow mixing chamber that contacts the cabinet, and a centrifugal impeller is rotatably mounted inside the vortex hood via a shaft. By setting an airflow control mechanism on the incubator, the treated airflow is buffered in the airflow mixing chamber. Combined with a flow equalization device consisting of a drive motor, transmission components, vortex hood, and centrifugal impeller, the airflow is further accelerated and distributed, allowing it to enter the shelf layers of the incubator with a wider coverage area and stronger power. This ensures that the airflow flows fully around the edible fungi container, guaranteeing efficient growth of the fungi under constant temperature and humidity conditions.

This utility model relates to the field of bearing cage technology, and provides a high-speed, high-temperature resistant nylon cage for deep groove ball bearings, including a high-temperature resistant cage body; pockets equally spaced at the top of the high-temperature resistant cage body, with oil reservoirs equally spaced on the inner wall of the pockets, the three oil reservoirs being interconnected by connecting grooves, and a ball bearing rotatably connected to one end of the inner wall of each oil reservoir; symmetrically arranged oil injection holes on both sides of the bottom of the high-temperature resistant cage body, the top of each oil injection hole communicating with the interior of one of the oil reservoirs; and a sealing assembly assembled inside the oil injection holes. The high-speed, high-temperature resistant nylon cage for deep groove ball bearings provided by this solution utilizes rolling balls to change the contact between the bearing rollers and the inner wall of the pockets from surface contact to multi-point contact, reducing contact friction. Simultaneously, the oil reservoirs store a certain amount of lubricating oil, thus providing long-term effective lubrication of the bearing rollers and further reducing rotational friction.

The utility model discloses a multistage vacuum generator for a dust environment, which relates to the pneumatic technical field, and comprises a vacuum generator body, the left side of the vacuum generator body is provided with an L-shaped channel III, and an inner cavity at the left side of the channel III is fixedly provided with a nozzle, a first-stage vacuum tube and a second-stage vacuum tube in sequence from left to right; a first connector is formed in the left end of the nozzle. When negative pressure in the valve is weak, the elastic piece opens the second through hole, the second-stage vacuum pipe is connected with the third connector in the valve through the second-stage vacuum pipe, the second-stage vacuum pipe is connected with the third connector in the valve through the elastic piece along with increase of the negative pressure in the valve through the second-stage vacuum pipe through the second-stage vacuum pipe through the second-stage vacuum pipe through the second-stage vacuum pipe through the second-stage vacuum pipe through the second-stage vacuum pipe through the second-stage vacuum pipe, and therefore the suction cup obtains large vacuum flow and rapidly improves vacuum suction force. After vacuum material taking is completed, the vacuum gas path is closed, the blowing gas path is opened, the pressure is larger than the elastic force of the spring under the high pressure effect, the valve element moves rightwards in the first channel, connection between the third connector and the vacuum channel is closed, blown high-pressure gas fully flows to the suction cup, and the dust removal effect is improved.

The invention relates to the technical field of excrement treatment, and particularly discloses livestock farm excrement treatment equipment, which comprises a box body with an inlet and an outlet, and a treatment mechanism arranged in the box body, the treatment mechanism comprises an inclined cylinder with two open ends, a material guide cylinder, a material guide opening formed in the inclined cylinder, and a treatment mechanism body arranged in the inclined cylinder; the inclined cylinder is fixedly connected with the box body and is communicated with the inlet; the guide cylinder is fixedly connected with the inclined cylinder, and two ends of the guide cylinder are respectively communicated with the guide port and the outlet; the processing mechanism comprises a processing barrel with two open ends, a scraping block, a through hole formed in the processing barrel and a driving assembly used for driving the processing barrel to rotate; and the hot air assembly is used for introducing hot air into the processing barrel. The problem that an existing treatment device cannot clean excrement attached to the inner wall of a storage box is solved.

The cable tinning tool comprises a positioning plate, a middle plate and a base plate, the positioning plate is provided with a plurality of positioning grooves used for positioning cables, each positioning groove comprises a blind groove section and a through groove section which are communicated with each other, each through groove section is provided with at least one bending part, the positioning plate is further provided with a plurality of groups of hollow structures, and the hollow structures are arranged on the middle plate. Each hollowed-out structure comprises two hollowed-out grooves which are oppositely arranged, and the through groove section is located between the two hollowed-out grooves in the hollowed-out structures and communicates with the two hollowed-out grooves; the middle plate is located below the positioning plate, a through groove and a plurality of positioning blocks are arranged on the middle plate, the positioning blocks are arranged corresponding to the hollowed-out grooves, and the through groove is arranged corresponding to the through groove section; the base plate is located below the middle plate. The base plate is provided with an ejection rib arranged corresponding to the through groove section and an elastic abutting assembly used for abutting against the positioning plate. When the cable tinning tool is used for tinning operation, the bending radius of the cable can be smaller, no cracking risk exists, and the production yield is higher.

The high-precision reversing valve comprises a valve body assembly and a valve element assembly, the valve body assembly comprises a valve element pipeline part, a feeding pipeline part, a first pressure pump pipeline part and a second pressure pump pipeline part, and a large-flow channel, a small-flow channel and a feeding channel are formed in the valve element assembly; and in the small discharging state, the small flow channel is communicated with the second pressure pump pipeline piece and the discharging port, and the feeding channel is communicated with the first pressure pump pipeline piece and the feeding pipeline piece. When small-flow discharging is carried out, the actual discharging amount completely comes from paint in the second pressure pump pipeline piece, accurate control over the discharging amount is facilitated, meanwhile, no matter large-flow discharging or small-flow discharging is carried out, paint in the other pressure pump pipeline piece and the valve element pipeline piece can flow back into the feeding pipeline piece synchronously, and therefore the working efficiency is improved. And the coating fully flows, so that the coating is prevented from being solidified, and the discharging precision is improved.

The utility model discloses a crop seed irradiation device with a protective structure, which relates to the technical field of agricultural planting and comprises a box body, a water purifying box, a cultivation component, a circulating mechanism and an irradiation component. The water purifying tank is arranged on the right side of the box body, the inner wall of the box body is fixedly connected with a reservoir, and the lower portion of the reservoir communicates with a sprinkler pipe; the cultivation assembly is fixedly arranged on the inner wall of the box body and used for cultivating seeds; the circulating mechanism is fixedly arranged on the inner wall of the box body and is used for recycling a water source; the irradiation assembly is fixedly arranged on the inner wall of the box body and used for providing a light source for the seeds. Water in the reservoir is discharged into the culture dish for culture, then falls into the waste water pool through the filter plate and is purified through the filter, the water pump pumps out purified water through the water pumping pipe and drains the purified water back into the box body through the water drainage pipe, and the purified water is recycled, so that water fully flows, and sprouting caused by long-term water flooding of seeds is prevented.