298results about How to "Easy to check" patented technology

The invention relates to the technical field of power system energy storage equipment testing, in particular to a small and medium-sized industrial and commercial energy storage cabinet twin-trawling testing system which comprises a main loop, a secondary control loop and an anti-countercurrent detection unit, the main loop comprises double testing loops and four sets of alternating current contactors, and multi-machine twin-trawling testing frameworks such as one-to-one, one-trawling-two and one-trawling-three can be flexibly combined; independent switching between grid connection and grid disconnection is supported, the secondary control loop comprises a button with a lamp and a grouping reset button, and the countercurrent prevention detection unit detects the energy flow direction in real time through an intelligent electric meter and a current sensor and has a mains supply charging function. According to the test system, through a double-loop parallel test architecture and a multi-machine flexible combination design, the system can be synchronously butted with multiple energy storage cabinets to carry out parallel test, the test efficiency can be improved, and a safety system with anti-countercurrent detection, rapid mode switching and precise control protection guarantees the test safety; the arrangement of the standardized terminal and the button with the lamp simplifies the operation difficulty, and reduces the test threshold.

The invention discloses a rail fastener loosening fault diagnosis and identification method and system. The method comprises the steps that at least one steel rail vibration signal in a preset time period is acquired based on a preset improved vibration sensor; carrying out improved symplectic geometric mode decomposition on the at least one steel rail vibration signal to respectively obtain a steel rail vibration reconstruction signal corresponding to the at least one steel rail vibration signal; carrying out feature selection on each steel rail vibration reconstruction signal according to a preset Leloine feature screening strategy, and constructing a feature matrix corresponding to each steel rail vibration reconstruction signal based on the selected features; and inputting each feature matrix into a preset improved bidirectional gating loop unit network, and performing iterative training on the improved bidirectional gating loop unit network to obtain a fastener loosening fault analysis model. The accuracy of track fastener loosening fault degree recognition and the classification precision are improved, and track faults can be checked easily.

The utility model relates to the technical field of bearings, and discloses a liquid-lubricated heavy-duty bearing mechanism which comprises an outer ring, an inner ring is arranged in the outer ring, a limiting ring is arranged on the inner wall of the inner ring, a ball is arranged in the inner ring, a push rod is slidably connected in the inner ring, the bottom end of the push rod is fixedly connected with a connecting plate, and the bottom end of the connecting plate is fixedly connected with a piston rod. A tension spring is fixedly connected to the upper surface of the connecting plate, a transmission frame is fixedly connected to the lower surface of the connecting plate, a sliding rod is slidably connected to the outer wall of the transmission frame, a positioning rod is slidably connected to the outer wall of the sliding rod, a telescopic rod is fixedly connected to the outer wall of the sliding rod, and an oil conveying assembly is arranged in the inner ring. According to the utility model, through the cooperation of the push rod, the connecting plate, the tension spring, the transmission frame, the sliding rod, the telescopic rod and the positioning rod, the limiting ring is mounted and dismounted, the balls are limited or released, and local stress concentration of the balls is avoided, so that the overall bearing capacity of the bearing is improved.

The utility model belongs to the technical field of unmanned aerial vehicles, and discloses a loading unmanned aerial vehicle. The loading unmanned aerial vehicle comprises an unmanned aerial vehicle body, a loading basket and an adjustable clamp. And a loading platform is arranged on the top back part of the unmanned aerial vehicle body and is detachably fixed. The object carrying basket is placed on the object carrying platform with an opening facing upwards, and the object carrying basket is used for carrying objects. The adjustable clamp comprises two clamping plates, the two clamping plates are oppositely arranged on the carrying platform, and the two clamping plates can be close to or away from each other to clamp or loosen the carrying basket. The object-carrying unmanned aerial vehicle is good in flight stability; manufacturing and fixing are easy, article loading and unloading are convenient, and the device is more suitable for convenient carrying of miniature articles; and the adaptability to carried articles is high.

This invention relates to a yarn rack with a guiding function and its yarn loading process, belonging to the field of textile equipment. It includes a frame with several vertically arranged support rods within the frame, arranged in a rectangular array. Each support rod has several yarn bobbin hanging rods for hanging yarn bobbins. The ends of the yarn bobbins hanging from the support rods are inclined upwards. Each support rod also has a limiting part corresponding to a yarn bobbin hanging from it, located above the end of the corresponding yarn bobbin hanging from the support rod. When a yarn bobbin is hung on a yarn bobbin hanging from it, the end of the yarn bobbin facing the support rod abuts against the limiting part. At this time, the area of ​​the yarn bobbin hanging from the yarn bobbin is the initial hanging section. A color-changing indicator light is embedded in the surface of the initial hanging section of the yarn bobbin hanging from it. This invention indicates the color of the yarn bobbin that should be hung on each yarn bobbin hanging rod, thereby preventing workers from hanging the wrong yarn bobbins.

The utility model provides a reverse osmosis water purification device with an efficient water-saving function, and relates to the field of water treatment equipment. A rotating motor is fixedly mounted on the outer side of a filter box, the output end of the rotating motor penetrates through the filter box and is fixedly connected with a first rotating shaft, and a first synchronizing wheel is fixedly mounted at one end of the first rotating shaft; a second synchronous wheel is fixedly installed at one end of the second rotating shaft, a synchronous belt is arranged on the outer side of the filter box, the first synchronous wheel and the second synchronous wheel are in transmission connection through the synchronous belt, and the two synchronous wheels can be driven to rotate together by starting the rotating motor so as to drive the two rotating shafts to rotate, so that cleaning brushes on the peripheries of the rotating shafts are driven to rotate to clean the filter screen; the frequency that the filter screens need to be manually cleaned is reduced, the box cover is arranged at the top of the filter box, the two through grooves are formed in the box cover, the first filter screen and the second filter screen are arranged in the filter box, and the first filter screen and the second filter screen can be directly taken out of the filter box through the through grooves, so that the filter screens are convenient to check or replace.

The utility model relates to the technical field of rice breeding, in particular to a germination accelerating and seedling raising device for rice breeding, which comprises a mounting frame, a placing frame, a sliding block, a mounting frame, a seedling raising frame, a connecting plate, a buckling groove, a movable plate and a buckling column, multiple sets of placing frames are sequentially installed in the installation frame from top to bottom, sliding blocks slidably connected with the installation frame are installed at the rear ends of the two sides of the placing frames, and multiple sets of seedling raising frames used for placing rice seedlings are arranged in the placing frames in a buckled mode; according to the seedling raising device, the placement frame can easily slide in the mounting frame through the design of the sliding blocks, meanwhile, the pulling plates, the buckling columns and other assemblies are arranged, a user can conveniently and rapidly fold or disassemble the seedling raising frames, and the seedling raising device is convenient to use and high in practicability. Through the design of the buckling grooves, multiple groups of seedling raising frames can be conveniently connected together or detached for checking, and the growth condition of each group of rice seedlings can be conveniently managed and observed.

The utility model provides an aviation is used for the wind direction adjusting handle of grating, including handle body, be provided with first slot and second slot on handle body, first slot penetrates handle body along horizontal direction for connecting horizontal blade, second slot penetrates handle body along vertical direction for connecting vertical blade. The utility model discloses a handle body is connected horizontal blade and vertical blade simultaneously, and user only needs to operate this handle body, can adjust the angle of horizontal blade and vertical blade respectively, and then adjusts air -conditioning airflow to the direction required, greatly simplifies the operation process, saves operation time, improves use efficiency. Moreover, the utility model reduces the quantity of independent adjusting part, need not reserves installation and operating space for two independent adjusting parts respectively, optimizes the space layout in the cabin.

The utility model provides a horizontal spiral centrifuge for separating nucleic acid from yeast. The horizontal spiral centrifuge comprises an outer shell, a rotary drum and a spiral which rotate coaxially are arranged in the outer shell, a liquid discharging cavity and a residue discharging cavity are formed in the two sides of the outer shell, a residue discharging head and a liquid discharging pump wheel are arranged at the two ends of the rotary drum, the residue discharging head is arranged in the residue discharging cavity to rotate, and the liquid discharging pump wheel is arranged in the liquid discharging cavity to rotate; a slag storage cylinder is fixedly arranged at a slag discharging opening in the bottom of the slag discharging cavity, and a cover plate opened through pressure induction is arranged at the bottom of the slag storage cylinder. By introducing an advanced automatic control system, an optimized mechanical structure and a high-efficiency cleaning system, the operation efficiency and safety of the equipment are improved, long-term stable operation is ensured, and the equipment is particularly suitable for the field of biotechnology application with high requirements for hygienic standards and operation safety. According to the design, the user experience is remarkably improved, and a reliable, efficient and easy-to-maintain solution is provided for the user.

The utility model discloses a SF6 gas micro -water density monitoring devices contains micro -water detection module, inlet pipe, exhaust pipe, pump body, L type telescopic pipe and butt joint, drying cylinder, place cavity, step support surface, filter cartridge (infill drying agent), sliding sleeve, upper / lower limit convex ring, sliding groove and convex strip, boss, extruding block, fixed peg, spring, connecting rod, pressure gauge, wireless transmitting module, when working, the pump body draws gas and enters drying cylinder after micro -water detection, conical hole and extruding block - step support - sliding sleeve constitute forced flow structure, and make sample gas to pass through filter cartridge reflux equipment, and pressure gauge and wireless transmission realize pressure monitoring and data report, and the structure is convenient for installation maintenance, and inhibits bypass, and stable reflux moisture content, and improves detection result consistency.

A high-voltage and high-current fast fuse comprises an end cover, a contact, a fuse tube, a fuse body, a fuse body guide column, arc extinguishing filler and a fastening screw, characterized in that two or more fuse body guide columns are arranged in the fuse tube, the fuse body is fixed on the fuse body guide column in a spiral winding manner, the contact is provided with a fuse body perforation, the fuse body is welded on the outer end surface of the contact through the perforation, the end cover end surface is overlapped on the outer end of the contact and is connected and fixed with the contact through the fastening screw installed hole of the end cover and the contact and the fastening screw. The disadvantages of poor welding are overcome to the maximum extent. In the case of not increasing the length of the fuse tube or even shortening the length, the rated voltage and the rated current of the fuse can be effectively improved, the anti-impact and anti-bumping capabilities of the fuse are improved, and the fuse can be used to protect the integrated power system of a ship, a large energy storage and power transmission system and other high-voltage and high-current power transmission systems.

This utility model relates to the field of indoor air purification technology and discloses an ultra-low energy consumption building indoor air purification device, including a mounting base, connecting rod, air pump, power components, gas absorber, and cleaning tray assembly. The cleaning tray assembly consists of a cleaning tray shell and a cleaning tray top plate that are detachably connected. Through the snap-fit ​​structure of the clip and snap-fit ​​post, and the pre-positioning cooperation of the positioning ring and the positioning groove, the cleaning tray shell and the cleaning tray top plate can be quickly disassembled and assembled, facilitating the inspection and maintenance of the internal components of the cleaning tray assembly, further reducing operation steps and saving maintenance time. Secondly, through the sliding cooperation of the guide block and the guide groove, combined with the characteristic of the limit block automatically retracting under compression, the gas absorber can be quickly installed and disassembled without the entire cleaning tray being disassembled, solving the problem of complex operation in the prior art that "the entire cleaning tray needs to be disassembled to replace the absorbent material," and significantly improving maintenance efficiency.

The utility model relates to generator maintenance technical field, specifically provide generator big end cover glue injection port anti glue liquid leakage device, including straight through switch ball valve and generator end cover, straight through switch ball valve includes setting in the middle pipe body, the outside of pipe body is sleeved with first fixed ring, the outside of first fixed ring is provided with the insertion fixed groove, one side of generator end cover is fixedly installed with U type seat. The utility model will traditional screw plug be transformed into straight through switch ball valve, straight through switch ball valve can realize fast opening and close glue injection port, facilitate the glue injection operation and check when the generator is running or overhauls, improve the sealing performance of glue injection port simultaneously, avoid the glue liquid leakage, guarantee the stable operation of generator, and utilize the elasticity of tensile spring, make the insertion fixed block connected with it be clamped in the insertion fixed groove inside that first fixed ring set up, thereby can avoid the short pipe of external thread because machine vibration appears the phenomenon of screw back, enhance the firmness of installation.

The utility model relates to processing equipment technical field, concretely is environmental protection type electrical hybrid power's foaming furnace, including electrical hybrid power's foaming furnace box, the feed end and the discharge end top of foaming furnace box are installed with environmental protection exhaust box, the top surface center of foaming furnace box is installed with negative pressure air bellow. The utility model discloses a plurality of even equidistance arranged transmission roller shafts installed in the foaming chamber can effectively convey the raw material to be foamed, through the environmental protection exhaust box installed in the top of the feed end and the discharge end of foaming furnace box, its top communicates through the exhaust pipe with the negative pressure air bellow of negative pressure fan built -in in the top surface center of foaming furnace box, so that in the foaming process can in time exhaust the waste gas generated etc.

The utility model discloses a layered filler filling biological deodorization box, including the outer box, the both ends fixedly connected with support column in the both sides of outer box bottom, the rear end fixedly connected with the water collecting tank of outer box, the top movable joint of outer box has four groups of mounting plate, the inside of outer box is provided with the layered structure for improving purification effect. This layered filler filling biological deodorization box is provided with grid plate, when carrying out the stench gas treatment, starts the fan and inhales the stench gas through the air inlet, after the stench gas enters the inside of outer box, passes through the grid plate and enters the inside of filler box and the biological filler in the inside of filler box and realizes deodorization, and the baffle in the inside of outer box can make the stench gas form S type's flow path in the inside of outer box and pass through the inside of each group of filler box, increases the reaction length with biological filler to improve the deodorization effect, solves the problem that the treatment effect is poor because of the insufficient reaction time.

The application discloses a semiconductor storage equipment maintenance system and method, wherein the semiconductor storage equipment maintenance system comprises a server and an MR device; the server stores device structure model data of a semiconductor storage equipment, communicates with the semiconductor storage equipment to obtain operation data of the semiconductor storage equipment, and communicates with the MR device to provide data for the MR device; the MR device generates a mixed reality image according to data collected by itself and data obtained from the server and displays the mixed reality image to an operator wearing the MR device; when the MR device receives information about a fault of the semiconductor storage equipment, the MR device generates a mixed reality image which fuses a virtual perspective model of the semiconductor storage equipment, displays the mixed reality image to the operator wearing the MR device, highlights a fault position corresponding to the fault in the virtual perspective model, and displays a reason corresponding to the fault and a troubleshooting scheme. The application enables the operator to intuitively determine an actual position of the fault position in the equipment, and simultaneously displays information such as the reason of the fault and the troubleshooting scheme, thereby facilitating troubleshooting and processing of the fault, greatly facilitating the development of maintenance work, and reducing requirements on the operator.

The utility model discloses a kind of blood sample storage devices of physical examination center, specifically related to blood sample storage device field, including storage box, square groove is respectively set on the two sides inner wall of storage box, threaded rod is rotatably arranged in one of square grooves, slide bar is fixedly arranged in another square groove, and placing frame is arranged between threaded rod and slide bar, and the top surface of placing frame is fixedly connected with extension frame;Extension frame is fixedly provided with plugboard, and a plurality of jack holes for placing blood sample tube are uniformly provided on plugboard.The utility model can adjust the height of placing frame by threaded rod when blood sample tube is inserted into jack hole, so that placing frame drives extension frame and plugboard in extension frame to move upwards to the top of storage box, so as to facilitate the insertion of blood sample tube in jack hole, and facilitate the inspection of information on blood sample tube, and after blood sample tube is placed, adjusting the height of placing frame to move into storage box.

The present application relates to the technical field of hydraulic engineering and river dynamics, and discloses a bed sand gradation file splicing method and device, an electronic device and a storage medium, the method comprising: determining a region to be studied, dividing the region to be studied into a plurality of grids, and layering the grids according to a preset step size downward along the ground surface to obtain a plurality of regional nodes; acquiring bed sand gradation data collected at different depths in different geomorphic regions in the region to be studied; mixing the bed sand gradation data of different depths in different geomorphic regions according to the preset step size to obtain bed sand gradation data of different layers in different geomorphic regions; and matching bed sand gradation data for each regional node according to the type of the geomorphic region corresponding to each regional node and the layer in which each regional node is located to obtain a bed sand gradation file for the region to be studied. The present application splices bed sand gradation files of different geomorphic types, thereby quickly generating a complete bed sand gradation file suitable for a two-dimensional water and sediment model.

The invention discloses a reinforcing steel bar connecting sleeve, a connecting structure and a construction method, and relates to the technical field of building reinforcing steel bar connection.The reinforcing steel bar connecting sleeve comprises a sleeve body and reinforcing steel bars to be connected, and the sleeve body comprises a sleeve body and a sealing gasket located at the end opening of the sleeve body; a closed cavity is formed in the barrel through the sealing gasket, and a cementing material is arranged in the closed cavity of the barrel; the connecting reinforcing steel bars penetrate through the sealing gasket and penetrate into the cylinder body, the connecting reinforcing steel bars are wrapped by the cementing material, and the cylinder body is connected with the reinforcing steel bars. The invention has the advantages that the cementing material is injected into the sleeve in advance, only the reinforcing steel bar is inserted during installation, the installation is convenient, and the connection is reliable; due to the structure of the sealing gasket, little cementing material leaks out, the connection of the sleeve is visually checked due to the arrangement of the material bolt hole, and compared with an existing grouting sleeve, the connection quality is better guaranteed; the sleeve can be applied to a cast-in-place environment and a prefabrication environment, and the other end of the sleeve is provided with ports in different forms, so that the sleeve can be suitable for various occasions and is convenient to install and efficient in connection.

This invention provides a CAN converter with a heat dissipation structure, including a CAN converter body and a heat dissipation shell on the outside of the CAN converter body. A heat dissipation cavity is formed between the heat dissipation shell and the CAN converter body. Support legs are installed at the four corners of the bottom side of the heat dissipation shell. The heat dissipation shell includes an inner thermally conductive layer and an outer heat dissipation fin layer. This invention is reasonably designed. By setting up a heat dissipation shell, the thermally conductive layer quickly conducts heat, the heat dissipation fin layer increases the heat dissipation area, and a cooling fan forms forced convection cooling. The combination of multiple heat dissipation methods significantly improves the heat dissipation efficiency of the CAN converter body, enabling it to quickly and effectively dissipate the heat generated by the CAN converter body and reduce the operating temperature of the device. The addition of a thermally conductive silicone pad reduces the thermal resistance between the CAN converter body and the heat dissipation shell, further improving the heat conduction effect and ensuring that heat is transferred to the heat dissipation shell for dissipation in a timely manner.

This invention discloses a product lifecycle carbon footprint assessment system and implementation method based on a cloud platform, involving the fields of cloud computing and big data. It includes: a supply chain network cloud platform: serving as a cloud platform directly connected to enterprise users, covering supply chain enterprises corresponding to the product lifecycle, from raw material acquisition, component manufacturing, complete machine assembly, product distribution, product use, and recycling; composed of a front-end user UI, external API interfaces, and a back-end data processing and analysis unit; a lifecycle assessment cloud platform: realizing functions such as data management, retrieval, loading, data mining, and analysis, performing carbon footprint analysis and calculation, constructing a product lifecycle inventory database and realizing data storage and retrieval, and reviewing and arbitrating the results of calculated data; and cloud platform application enterprises: accessing the supply chain network cloud platform user UI through the cloud platform's user and management interfaces, enabling operations such as registration, request application, data interaction, and data storage.

This utility model relates to the field of stern shaft speed measurement technology, specifically a stern shaft speed measuring device. It includes a base plate, a mounting block on the top of the base plate, a groove inside the mounting block, a slider inside the groove, a connecting plate on the top of the slider, a mounting ring on one side of the connecting plate, a mounting bracket on one side of the mounting ring, an auxiliary wheel inside the mounting bracket, a shaft at the bottom of the auxiliary wheel, and a reflector on the outside of the shaft. This stern shaft speed measuring device, through the cooperation of the mounting ring, mounting bracket, and auxiliary wheel, facilitates shaft rotation; through the cooperation of the auxiliary wheel and the limiting cylinder, it provides positioning; and through the cooperation of the ball groove, spherical spring lock, and fixing bolt, it secures the mounting ring. By using this structure, the shaft assembly and disassembly steps are simplified, thereby facilitating inspection and maintenance.

The utility model provides a rotary ventilation structure which comprises a power assembly used for driving a main shaft to rotate; the ventilation assembly is used for realizing rotary ventilation; the ventilation assembly comprises a main shaft, a first sleeve, a second sleeve, a first sealing ring and a second sealing ring; the main shaft is of a hollow cylindrical structure and is provided with two first vent holes; the first sleeve sleeves the position, provided with the first vent hole, of the main shaft, the first sealing ring and the second sealing ring are located on the two sides of the first sleeve and sleeve the main shaft, and the second sleeve sleeves the outer sides of the first sealing ring, the first sleeve and the second sealing ring; an annular groove is formed in the outer wall of the first sleeve, and two spiral through grooves which are symmetrically distributed with the rotating axis of the main shaft as the center are formed in the annular groove. The rotary ventilation structure provided by the utility model not only improves the ventilation efficiency and the sealing performance, but also simplifies the assembly process by optimizing the design, enhances the durability and the adaptability of the system, and provides a more reliable and flexible solution.

The pelletizing device comprises a base, a pelletizing cover, a cutter and a sound insulation plate, a pelletizer is installed on the base, a pelletizing head is arranged at one end of the pelletizer, a top plate is installed on the pelletizer, a motor A is installed in the top plate, a lead screw is installed at the power shaft end of the motor A, and a screw rod is installed at the power shaft end of the motor A; a ball nut is installed on the lead screw in a threaded mode and connected with a pelletizing cover, a motor B is installed in the pelletizing cover, an installation head is installed at the power shaft end of the motor B, a tool apron is installed on the installation head, a spring column is installed on the tool apron, and a cutter is installed at the other end of the spring column. A cooling fan is installed on the pelletizing cover, and a discharging head is arranged on the pelletizing cover. According to the utility model, the service life of the cutter is prolonged, the cutting effect and the particle quality are prevented from being influenced by over-high temperature, the cutter head is convenient to check and replace, the operation is simple and convenient, and the downtime and the maintenance cost are reduced.

The invention relates to the technical field of logging while drilling, and discloses a stratum simulation box for a lateral resistivity logging while drilling tool and a design method of the stratum simulation box. The design method comprises the following steps: determining an electrode structure of an azimuth electrode system of the lateral resistivity logging-while-drilling tool; determining a resistance network of the stratum simulation box based on an electrode structure and a working principle of the azimuth electrode system; according to the resistance network of the stratum simulation box and a working principle, determining a calculation scheme of each resistance parameter in the resistance network of the stratum simulation box; and determining each resistance value of the stratum simulation box resistance network under the typical stratum condition by utilizing a three-dimensional finite element program. The formation simulation box for the while-drilling lateral resistivity logging instrument is designed and generated through the method, various formations simulated by the formation simulation box can be measured by the while-drilling lateral resistivity logging instrument indoors, the working state of the instrument can be checked conveniently, and the instrument can be debugged, maintained and calibrated conveniently; and the time for repeatedly testing and verifying the performance of the instrument is greatly saved.

The utility model belongs to the technical field of coaling plate supporting of a coking SCP all-in-one machine, and particularly relates to a coaling plate bracket of the coking SCP all-in-one machine, which comprises a supporting sliding groove fixedly connected in a bottom plate seat, a supporting table is connected in the supporting sliding groove in a sliding mode, and a transverse supporting leg is fixedly connected to the bottom of the left end of the supporting table. A driving plate is fixedly connected to the right side face of the transverse supporting leg, two strip-shaped sliding grooves are further fixedly connected into the bottom plate base, strip-shaped sliding blocks are slidably connected into the two strip-shaped sliding grooves, the left ends of the two strip-shaped sliding blocks are fixedly connected with the driving plate, and racks are fixedly connected to the tops of the two strip-shaped sliding blocks. A right-angle reverser is fixedly connected to the left side wall of the bottom plate base and connected with a rotary driving assembly, and two gears meshed with the two racks are fixedly connected to two output shafts of the right-angle reverser. The hydraulic motor arranged on the outer side of the bottom plate seat acts to achieve stretching and retracting of the supporting table, the action process is safe and reliable, and inspection and maintenance are convenient.

Embodiments of the present specification provide an application positioning method and device, electronic equipment and computer storage medium, the method comprising: obtaining a semantic correlation degree between a first candidate application and a target positioning text based on the target positioning text and related text of the first candidate application, confirming a second candidate application in the first candidate application based on the semantic correlation degree, obtaining a third candidate application associated with the second candidate application from the first candidate application, obtaining a transaction correlation degree between fourth candidate applications based on a traffic call graph and a link relationship graph of the fourth candidate applications, wherein the fourth candidate applications include the second candidate application and the third candidate application, and obtaining a target application of the target positioning text from the fourth candidate applications based on the transaction correlation degree.

The utility model discloses an ecological net cage, and relates to the technical field of aquaculture equipment, the ecological net cage comprises a cage body, at least one side face of the cage body is provided with an opening, the top of the cage body is provided with a plurality of bait inlet holes for bait to pass through, and the opening is provided with a grating piece capable of being opened; the material collecting piece is arranged at the top of the box body, and the material collecting piece is used for guiding the thrown bait to the bait inlet hole. By additionally arranging the material collecting piece, feeding personnel can conveniently and accurately feed baits, the material collecting piece guides the collected baits to the bait feeding holes in the top of the box body, then the baits are evenly distributed into the box body through the bait feeding holes, waste of the baits can be avoided, the feeding area can be increased through the arrangement of the multiple bait feeding holes, and the baits can conveniently enter the box body; and through the arrangement of the opening and the grating piece, daily inspection and maintenance of the interior of the box body are facilitated, a suitable growth environment is provided for organisms, and the breeding yield and quality can be improved.

The utility model provides an elastic coating machine for waterproof wall coating, which belongs to the technical field of building waterproof construction and comprises a bearing mechanism, a fixing block and an adjusting component arranged on the outer side of the fixing block and used for adjusting a coating angle. The spraying mechanism comprises a pipe body fixedly installed on the outer side of the fixing block. The stirring assembly adopts a combined structure of the spiral stirring blades and the stirring blades, and the design of the tapered blades generates a strong shearing effect, so that cakes and impurities in a coating are thoroughly crushed; an M-shaped scraper of the cleaning assembly synchronously runs along with stirring and continuously scrapes coating deposition possibly formed on the inner wall of the pipe body; the splicing and spraying assembly adopts the design of a ball head pipe and a sealing ball sleeve which can be quickly detached, so that the sealing performance is ensured, and checking and cleaning are facilitated; and blockage is prevented from the source, a convenient checking and cleaning means is provided in the early stage of blockage, it is ensured that paint is conveyed evenly all the time, and the problem of uneven coating caused by blockage is effectively avoided.