1089results about How to "Shorten maintenance time" patented technology

The invention discloses a plan optimization system for distribution network maintenance, which relates to the technical field of power grid management and comprises an intelligent maintenance scheduling optimization module, an equipment monitoring and prediction module, a panoramic maintenance plan simulation module, a dynamic risk assessment module and an inspection robot management module. The intelligent maintenance scheduling optimization module is used for analyzing power distribution network data, and the equipment monitoring and prediction module is used for monitoring the operation state of power distribution network equipment and predicting the time and position of future faults. And the panoramic maintenance plan simulation module dynamically simulates the maintenance scheme. By introducing various models, the defects of the traditional technology in the aspects of flexibility, real-time performance and accuracy are effectively overcome, so that the system has adaptive learning and dynamic adjustment capabilities, can quickly respond to faults and optimize resource scheduling in a complex and changeable working environment, and remarkably reduces the maintenance cost and time; according to the system, the stability and reliability of distribution network equipment are greatly improved, and a solid technical support is provided for intelligent power operation and maintenance.

The invention discloses a distributed intelligent drip irrigation control system based on the Internet of Things, and belongs to the technical field of agricultural irrigation. The distributed intelligent drip irrigation control system comprises a basic water conservancy facility used for providing a water supply demand of certain water pressure for a drip irrigation system; the water tower is designed as a constant-pressure water source to ensure the water pressure uniformity of the whole irrigation area; the water and fertilizer mixing box is used for mixing fertilizer and water in proportion to form a water and fertilizer solution suitable for being absorbed by crops, the mixing proportion is determined by an algorithm # imgabs0 #, F is the fertilizer concentration, Nreq is the nutrient amount needed by the crops, and Nsoil is the current nutrient amount in soil. According to the invention, through efficient and accurate water and fertilizer resource management, the problems of unreasonable resource allocation, low utilization efficiency and the like in a traditional irrigation method are solved, and through integration of an advanced sensor technology, a wireless communication module and an intelligent control algorithm, accurate regulation and control of farmland water and fertilizer supply can be realized; and an irrigation strategy can be automatically adjusted according to real-time environment data and crop growth conditions.

The utility model belongs to the technical field of cable drawing, and particularly relates to a cable drawing machine capable of adjusting the drawing diameter, which comprises a drawing box, a second motor is fixedly mounted at one end of the bottom of the inner wall of the drawing box, and a second gear is fixedly sleeved on an output shaft of the second motor. When the clamping device is used, an operator firstly pokes the poking rod to enable the poking rod to move towards one end of the sliding groove, the poking rod drives the sliding block to move, certain pressure is applied to the spring, then the clamping block is moved into the clamping groove in the clamping base, the poking rod is loosened, the pressure on the spring is relieved through the sliding block, and then the spring is clamped. The spring rebounds to enable the sliding block to move towards the other end of the sliding groove, so that the clamping block is limited to move, the aperture adjusting assembly is fixed, the structure can enable workers to rapidly install and detach the device, inspect, maintain or replace parts and then rapidly assemble the parts back, the maintenance time and cost are reduced, and the working efficiency is improved.

The utility model belongs to the technical field of cooling water impurity filtering equipment, and particularly relates to an impurity removing device installed on a circulating water pump. The impurity removing device mainly comprises a trumpet-shaped cylinder body and a trumpet-shaped filter cylinder. The trumpet-shaped barrel adopts a conical design, and the trumpet-shaped filter cartridge is mounted in the trumpet-shaped barrel through the assembly flange; the trumpet-shaped filter cartridge is also conical and is provided with a filter screen for intercepting impurities, and a deposition tank is arranged at the bottom of the trumpet-shaped filter cartridge and is communicated with the slag discharge pipe. And the slag discharge pipe extends out of the trumpet-shaped cylinder body through the through hole. The device can be mounted at the water inlet of the circulating water pump, and impurities in the inlet water of the circulating water pump are effectively removed by using the trumpet-shaped filter cartridge. Meanwhile, a rotary scraper mechanism is additionally arranged to automatically clean impurities attached to the inner wall of the trumpet-shaped filter cartridge by utilizing water flow entering the circulating water pump, and an intercepting net and a dirt discharge groove are additionally arranged to improve the safety and reliability of the whole device. The device is simple in structure, good in filtering effect and suitable for impurity treatment of the circulating water pump of the gas power plant.

A plugging device for an internal expansion type heat exchange tube of a heat exchanger comprises a sealing body, a rubber pad, a positioning ring and a locking nut. The sealing body comprises a column section, an extrusion section coaxially connected with one end of the column section and a threaded section coaxially connected with the other end of the column section. The rubber pad is annular, is arranged on the periphery of the column section in a sleeving manner and can move in the axial direction relative to the sealing body; the positioning ring comprises an extrusion part and a positioning part; the extrusion part sleeves the periphery of the threaded section and can move in the axial direction relative to the sealing body; the positioning part is arranged at one end, far away from the rubber pad, of the extrusion part; the outer diameter of the positioning part is larger than that of the extrusion part; the locking nut is arranged on the outer side of the positioning part and is in threaded connection with the threaded section. The quick plugging device can be directly inserted into the ports at the two ends of the damaged heat exchange tube to expand the inner wall of the heat exchange tube, so that the two ends of the heat exchange tube are quickly plugged. Complicated welding or large-scale dismounting operation is not needed, the leakage problem of the heat exchange tube is rapidly solved, and production continuity and economic benefits are guaranteed.

The invention relates to the technical field of power system fault detection, and discloses a 10kV cable single-phase earth fault detection method based on an adaptive algorithm, and the method comprises the following steps: S1, employing a voltage collector and a current collector to collect the power frequency and transient signals of a switching station integrated intelligent terminal strip; s2, filtering and de-noising the collected signals through a self-adaptive digital signal processing algorithm; s3, adaptively determining a single-phase earth fault signal component, and identifying the most significant frequency band; s4, extracting features of the fault signal by using a multi-band multi-criterion adaptive algorithm; and S5, based on the extracted features, selecting the most significant criterion for single-phase earth fault detection. Through an adaptive algorithm and a deep learning model, the detection and recognition precision of a complex single-phase earth fault is improved, real-time intelligent processing is realized through an integrated monitoring module, misjudgment is reduced, the operation and maintenance efficiency is improved, the system adapts to multi-scene application, and the intelligentization and power supply reliability of the system are enhanced.

The invention relates to the technical field of thermal power plant equipment maintenance, and discloses a thermal power overhaul platform fusing equipment information, overhaul standards and GIS dynamic grids, the platform is integrated with an equipment information acquisition module, and the equipment state, operation parameters and appearance images are acquired in real time; accurate positioning and space management of equipment are realized through a GIS dynamic grid construction module; the maintenance standard matching module automatically matches maintenance standards according to equipment characteristics and generates a task list; the data analysis module deeply analyzes data, predicts faults and preferentially sorts maintenance tasks; the maintenance plan generation module automatically generates a high-efficiency maintenance plan according to the information; a supervisory feedback module ensures plan execution and facilitates continuous improvements. According to the platform, through intelligent and refined management, the efficiency and quality of equipment maintenance of the thermal power plant are remarkably improved, the stability and safety of power supply are guaranteed, and the platform has high practical value and application prospects.

The invention relates to the technical field of thermoelectric devices containing different material junctions, in particular to a structural part. According to the technical scheme, according to the multifunctional thermoelectric cooler and the control method thereof, hardware comprises an outer plate arranged above a thermoelectric cooler plate, a detection module is arranged in the outer plate, a plurality of independent loops are arranged on the thermoelectric cooler plate, and the independent loops correspond to detection units in a one-to-one mode. The method comprises the steps that the detection unit monitors in real time and sends detection data to the main control unit; the main control unit controls the corresponding independent loop to be powered on and powered off according to detection data of each detection unit; and the main control unit judges whether the output power of the electrified independent loops needs to be adjusted according to whether a plurality of independent loops need to be electrified. The problems that in the prior art, a working area is difficult to adjust, maintenance is inconvenient, energy is wasted, and adaptability is poor are solved, the multifunctional thermoelectric cooler and the control method thereof are provided, and the purposes of facilitating maintenance and overhaul, reducing use power consumption and improving the energy utilization rate are achieved.

The invention relates to a wind power generation blade and a rapid maintenance method of the wind power generation blade, the wind power generation blade comprises a first blade layer, an original inner core layer and a second blade layer which are stacked, the second blade layer is provided with a repairing through hole, and the original inner core layer is provided with a damage removing hole. The damage removing hole is communicated with the repairing through hole and extends to the inner surface of the first blade layer; a recovery structure layer connected with the second blade layer is arranged at the repair through hole; one or more repairing core pieces are arranged in the damage removing hole; and the one or more repairing core pieces and the repairing core pieces as well as the repairing core pieces and the first blade layer are connected through continuous colloid filling and curing, and a repairing inner core layer is formed. Compared with the prior art, when the wind power generation blade is maintained in a wind field, the maintenance time is short, the operation is simple, the maintenance quality is stable, the structural performance is excellent after maintenance, and the maintenance cost is reduced.

The invention discloses a steering wheel framework die-casting die capable of adjusting the height of a rivet column, and particularly relates to the technical field of automobile part die-casting equipment, the steering wheel framework die-casting die comprises a die plate body, four sets of mounting bases, a die core and a casting, and the four sets of mounting bases are mounted at the four corners of the side end face of the die plate body; a mold core is arranged in the center of the side end face of the mold plate body, and a casting is arranged on the surface of the mold core. A mounting plate in a casting needs to be provided with a rivet column, the insert pin in the template body is inserted from the back face of a mold core for mounting, the side close to the template body is limited and fixed, the insert pin can be adjusted up and down through the pin hole formed in the template body in a digging mode, and when the height of the rivet column is adjusted, the rivet columns of different heights can be produced when the casting is cast; the maintenance time is conveniently shortened, the cost is low, and the problem that when the height size of the rivet column is adjusted, the rivet column needs to be manufactured according to a traditional repair welding and machining mode, and consequently a casting is difficult to maintain is solved.

The invention discloses a fault detection method and device for a magnetic suspension bearing system, electronic equipment and a medium. The method comprises the following steps: acquiring real-time data of a control system of the magnetic suspension bearing in a control process; determining a first fault detection result according to the real-time data based on a fault diagnosis rule; processing the real-time data to obtain input data; inputting the input data into a pre-trained fault detection model for processing, and outputting a second fault detection result; and fusing the first fault detection result and the second fault detection result, and determining a system fault detection result of the control system of the magnetic suspension bearing. According to the embodiment of the invention, faster fault detection and more accurate fault prediction are realized.

The invention belongs to the technical field of automatic sorting, and particularly relates to building waste reclaimed material automatic sorting equipment and method.The equipment comprises a vibrating feeder, a plurality of funnel-shaped material distribution grooves are formed below an ultrasonic atomization spraying device side by side, a belt conveyor is used for conveying building waste crushed materials, and the vibrating feeder is used for feeding the building waste crushed materials; a fluorescence detection box is arranged above the belt conveyor, connecting columns in one-to-one correspondence with the funnel-shaped material distribution grooves are arranged in the fluorescence detection box, ultraviolet lamps are arranged on the connecting columns, and photosensitive sensors are arranged on the rear sides of the ultraviolet lamps. According to the invention, through cooperation of fluorescence recognition feedback and high-pressure gas, building waste crushed materials are automatically sorted, building waste materials of different substances with similar density, size, color, shape and the like can be finely sorted, and the device has the characteristics of sensitive reaction, accurate distinguishing, high precision and the like.

The utility model provides a buckle type trough of liquid crystal display (LCD) 3D printing equipment, which relates to the technical field of 3D printing equipment, and comprises a printer main body, a trough is arranged at the top of the printer main body, a mounting groove is arranged at the bottom of the trough, two frames are arranged in the mounting groove, a release film is arranged between the two frames, and a printing platform is fixedly arranged at the top of the printer main body. According to the trough, the release film can be conveniently replaced through the dismounting and mounting assembly, the replacement time of the release film is shortened, replacement is simpler and more convenient, more time and labor are saved, the maintenance time can be remarkably shortened, and therefore the overall printing efficiency is improved; according to the material trough for the printer, the inserting block is fixed through the two moving blocks and the clamping block b, fixing and unlocking of the inserting block are achieved by controlling the relative moving direction of the two moving blocks, the material trough can be conveniently installed on the printer body, the operation difficulty is lowered, non-professionals can easily handle the material trough, and dependence on professionals is reduced.

The utility model discloses a kitchen flue gas detection device which comprises an oil smoke pipeline, a mounting seat is fixedly arranged in the oil smoke pipeline, a socket is arranged in the mounting seat in a lap joint mode, a limiting hole is formed in the surface of the socket, and a detection assembly is arranged on the rear side of the socket. According to the kitchen smoke detection device, the threaded rod is driven by the rotating assembly to rotate forwards and backwards, so that the threaded rod drives the inserting assembly to be inserted into the limiting hole or withdrawn from the limiting hole, and the socket and the oil smoke detection probe can be quickly mounted and dismounted, so that the problem that when an existing kitchen smoke detection device is mounted, the operation is inconvenient is solved; the oil smoke detection probe is fixed in the oil smoke pipeline through the bolt, and needs to be disassembled and assembled by a tool during cleaning or replacement, so that the situation that the body of a worker is easily stained with oil stains is tedious, meanwhile, the situation that the fixing bolt is prone to slipping with the tool after being stained with the oil stains is avoided, the maintenance difficulty is reduced, and the working efficiency is improved. And the maintenance time is reduced.

The invention discloses a bolt looseness detection method, system and device based on YOLOv8, a medium and a program, and belongs to the technical field of mechanical engineering. The method comprises the following steps: acquiring bolt image data of a to-be-detected area to obtain bolt image data; and inputting the bolt image data into a pre-trained YOLOv8 model for identification to obtain an identification result. According to the invention, the speed and accuracy of bolt looseness detection are improved, and high-precision identification of bolt state monitoring in a complex environment is ensured.

The invention provides a stopping device of a roller shutter door motor, and relates to the technical field of roller shutter doors. The stopping preventing device of the roller shutter door motor comprises a roller shutter door body, a winding roller, a first motor, a second motor and an oil coating brush, the roller shutter door body is wound on the outer surface of the winding roller, fixing plates are fixedly connected to the two ends of the winding roller, a mounting plate is arranged above the winding roller, the first motor is fixedly connected to the bottom of the mounting plate, and the second motor is fixedly connected to the bottom of the mounting plate. The driving end of the first motor is fixedly connected with a driving rod, the end, away from the first motor, of the driving rod and the end, away from the winding roller, of the driving rod are fixedly connected with transmission gears in a penetrating mode, and the outer surfaces of the two transmission gears are connected with a transmission chain in an engaged mode. The lead screw is driven by the second motor, so that the stopping plate can rapidly and accurately move to the preset position to make contact with the driving rod of the first motor and achieve stopping, the roller shutter door is effectively prevented from being opened or closed under the uncontrolled condition, and safety and stability are enhanced.

The invention discloses an intelligent monitoring high-flame-retardant water-blocking long-distance symmetrical communication cable, which comprises a communication line group, a plurality of intelligent monitoring units, a flame-retardant structure, a water-blocking structure, a shielding structure, an oxygen isolation structure and an outer sheath, and is characterized in that the plurality of intelligent monitoring units are uniformly distributed along the length direction of the communication line group and form a cable core together with the communication line group; the flame-retardant structure, the water-blocking structure, the shielding structure and the flame-retardant oxygen-isolating structure are all arranged between the cable core and the outer sheath, the intelligent monitoring unit comprises a monitoring module, a data processing module and a communication module, and the monitoring module is composed of a temperature sensor, a humidity sensor, a strain sensor and a current monitor. The data processing module is electrically connected with the monitoring module on one hand, and communicates with a remote monitoring center through the communication module on the other hand, so that moisture can be effectively prevented from invading into the cable, and the cable has good transmission performance, monitoring function and water-blocking and flame-retardant performance, and can autonomously monitor the operation state and perform early warning and positioning on faults.

The invention discloses a large-handling-capacity horizontal scraper discharging centrifugal machine and a using method thereof. A driving motor included in the large-handling-capacity horizontal scraper discharging centrifugal machine provides power for the centrifugal machine, and the driving motor comprises a stator and a rotor; the transmission device realizes stable and efficient transmission of power of the driving motor, and adopts a herringbone toothed belt wheel to provide large torque output; the screen basket is used for centrifugally separating materials, and solid-liquid separation of the materials is achieved through centrifugal force generated by rotating the screen basket at a high speed; the scraper adopts a small-lead spiral blade design, and the small-lead spiral blade enables the scraper to scrape materials on the inner wall of the screen basket when the scraper rotates along with the screen basket; a feeding pipe of the feeding system is a circular pipeline, the inlet end of the feeding pipe is connected with the material conveying pipeline, and the outlet end of the feeding pipe is arranged on one side of the screening basket in the tangential direction. According to the centrifugal machine, the problems of processing capacity, transmission stability, feeding mode, maintenance convenience, part protection, environmental adaptability and the like of vertical and horizontal centrifugal machines in the prior art are solved.

The invention relates to a saline-alkali soil water collection irrigation and drainage dual-purpose ditch which comprises a plurality of water collection ditches. The bracket is detachably connected to the top of the water collecting ditch and is formed by splicing a plurality of sections; the rainwater collecting irrigation mechanism comprises a rainwater collecting assembly, a first-stage irrigation assembly and a second-stage irrigation assembly, and the rainwater collecting irrigation mechanism has a rainwater collecting mode, a natural irrigation mode and a strong irrigation mode; in rainy days, the rainwater collecting irrigation mechanism is in a rainwater collecting mode, and the rainwater collecting assembly is started to collect rainwater into the water collecting ditch; when the water in the water collecting ditch is sufficient, the rainwater collecting irrigation mechanism can be in a natural irrigation mode, and the first-stage irrigation assembly is started; when the rainwater collecting irrigation mechanism is in a strong irrigation mode, the secondary irrigation assembly is started, anti-seepage cloth is laid on the inner wall of the water collecting ditch, concealed pipes are buried below the bottom wall of the water collecting ditch, and the anti-seepage cloth is located above the concealed pipes. The system can realize collection, storage and utilization of rainwater, provides necessary fresh water resources for improvement of the saline-alkali soil, is combined with the concealed pipes, does not affect drainage, and has double effects of water collection irrigation and salt drainage.

The invention discloses a road disease point stake mark positioning method and system based on an unmanned aerial vehicle. The method comprises the following steps: constructing a road center line based on an orthoimage and a design file of a road; constructing a plurality of vertical offset lines along the center line of the road by taking each hundred stake mark point as an initial reference point, and distributing stake mark data of each vertical offset line; constructing rectangular buffer areas by taking each vertical offset line as a central axis, and combining all the rectangular buffer areas into a strip-shaped buffer area surface; performing grid division on the strip-shaped buffer area surface according to the resolution of the orthoimage, and distributing stake number data of each grid; aligning each grid of the strip-shaped buffer area surface with the orthoimage pixel by pixel, and fusing stake number data of each grid with image data of the corresponding pixel to generate corresponding fused grid data; and in combination with the image data of the road disease point and the fused raster data of each raster, searching the raster closest to the road disease point by adopting a KD tree, and accurately positioning the stake number of the road disease point according to the corresponding stake number data.

The utility model provides a multifunctional autoclaved aerated concrete block forming machine, which relates to the technical field of concrete blocks and comprises a table body, a support is fixedly mounted on the surface of the table body, and the table body, the support, an adjusting rod, a fixing rod, a cutter, a table plate, a leak hole, a motor, a screw rod, a sliding block, a connecting plate, a scraper, a limiting block, a collecting box and an inclined table structure are arranged. When a motor is started, a lead screw can be driven to rotate, after the lead screw rotates, a sliding block can move, the sliding block drives a scraping plate to scrape dust and waste remaining on the surface of a platen into a leakage hole, the waste and the dust can fall onto the surface of an inclined table from the leakage hole and then slide into a collecting box at the bottom end from the inclined table, and a handle is installed so that a worker can conveniently take and place the collecting box; the dust and waste cleaning speed is increased, a large amount of time is saved, meanwhile, the length of the scraping plate is equal to the width of the platen, the scraping plate can cover the whole area of the platen, cleaning is more comprehensive, the environment cannot be polluted, and the health of workers cannot be affected.

The invention discloses a boiler drum with a preheating device, and relates to the technical field of boiler equipment.The boiler drum mainly comprises an air supply device body, an air supply pipe, an incinerator, an air outlet pipe and the like, a main air supply pipe is arranged at the bottom of the air supply pipe, an air supply side pipe is arranged at the tail end of the right side of the air supply pipe, and the right side of the main air supply pipe is connected with a connecting pipe and a mixing pipe; by means of a multi-channel air supply structure, the fuel combustion efficiency is improved, fuel combustion is more sufficient, a smoke inlet pipe, a heat conduction pipe, a smoke removal box and the like are arranged above an air outlet pipe, heat conduction fins are arranged on the outer side of the heat conduction pipe, and inner fins are arranged in the heat conduction pipe. And the fuel conveying branch pipe and the connecting pipe can be independently detached and overhauled, equipment maintenance is facilitated, the use process is clear, and high practicability and innovativeness are achieved.

The invention relates to the technical field of fabricated buildings, and provides a fabricated building steel structure connecting component which comprises a first mounting part, the first mounting part is arranged on a bearing column, the first mounting part is provided with a containing cavity and a sliding groove, the sliding groove communicates with the containing cavity, one end of the bearing column is located in the containing cavity, and a mounting cavity is formed by the bearing column and the inner wall of the containing cavity; the second mounting piece is provided with a limiting part and a sliding part, the sliding part is arranged in the sliding groove in a sliding mode, the limiting part is movably arranged in the mounting cavity, the limiting part abuts against or cancels abutting against the cavity wall of the mounting cavity after moving, the connecting piece is arranged on the first mounting piece and used for connecting the steel beam and the second mounting piece, and the fastening bolt sequentially penetrates through the steel beam and the connecting piece. And the first anti-loosening piece is arranged on the second mounting piece in a sliding mode, and the first anti-loosening piece clamps the fastening bolt after sliding and is used for preventing the fastening bolt from rotating. By means of the technical scheme, the problems that in the prior art, an assembly type building steel structure is poor in connecting effect and high in maintenance cost are solved.

The utility model discloses a cleaning assembly of a porridge cooking machine, relates to kitchen appliance technical field, including porridge cooking machine, operation panel and cleaning assembly, the cleaning assembly includes scraping unit and driving unit, the driving unit is used for driving scraping unit to carry out rotary cleaning to the inner wall of porridge cooking machine, scraping unit includes mounting pipe, and the mounting pipe is equipped with the mounting pipe. The inner wall of the mounting pipe is in threaded connection with a fastening screw rod, the mounting pipe is detachably and fixedly connected with an upper connecting cross rod through the fastening screw rod, and a rubber scraping strip is detachably arranged on the side face of the mounting pipe. The rotating rod is driven by the driving motor, the inner wall of the porridge cooking machine is rotationally scraped and cleaned by the mounting pipe and the rubber scraping strip, and meanwhile, the bottom of the inner wall is synchronously cleaned by the transverse scraping strip at the bottom of the lower connecting cross rod, so that the inner part of the porridge cooking machine is efficiently cleaned in an omnibearing and dead-corner-free manner, and the cleaning efficiency and quality are greatly improved; dirt such as residual congee stains in the congee cooking process can be effectively removed.

The invention discloses a photovoltaic power station fault detection method and system based on big data and a storage medium, and relates to the technical field of photovoltaic power station fault detection. Through communication connection with various sensors, electric power parameters and environmental parameters of each substring are collected, deep analysis is carried out on data according to the technical means of Fourier transform, trend change analysis and the like, and key indexes of harmonic distortion, a conversion monitoring value and a resistance monitoring value are extracted as three judgment elements; comprehensive analysis is carried out based on the three judgment elements, substrings with faults are recognized, and corresponding security strategies are executed accordingly; intelligent monitoring and preventive maintenance of the photovoltaic power station are realized, preventive measures can be taken before a fault occurs, the fault occurrence probability and the influence range are reduced, the service life of equipment is prolonged, and the overall operation efficiency is improved.

The utility model relates to a torque fixing sleeve structure for a built-in motor of an electric power-assisted bicycle. The torque fixing sleeve structure comprises a center shaft, a torque sensor, a shell, a circlip for a shaft, a torque fixing sleeve and a fixing screw, the torque sensor is sleeved on the middle shaft, and the axial movement of the torque sensor is limited by the elastic retainer ring for the shaft; the torque sensor is sleeved with the torque fixing sleeve, four right positioning grooves and two left positioning grooves are formed in the two ends of the torque fixing sleeve respectively, and the right positioning grooves and the left positioning grooves are clamped with the inner wall of the shell. The torque fixing sleeve is fixed to the shell through a fixing screw, a wiring port and a wiring channel groove are formed in the torque fixing sleeve, and a sensor wiring harness penetrates through the wiring port and is contained in the wiring channel groove. The problems of high cost, complex structure and difficult maintenance are solved.

The invention relates to the technical field of material crushers, and discloses a four-shaft integrated ton bag caked material crusher which comprises a rack, a crushing box is fixedly connected to the rack in a penetrating mode, a bag breaking device is arranged in the crushing box, a plurality of crushing shafts are rotatably connected to the crushing box in a penetrating mode, and a fixing shaft is arranged between every two adjacent crushing shafts. A filter screen is arranged in the crushing box, a driving assembly is fixedly connected to one side of the rack, and an overhauling platform is fixedly connected to the rack. By means of the integrated design, manual bag breaking and material transferring links are omitted, the four-shaft meshing breaking efficiency is improved by 50% or above compared with double-shaft equipment, the material handling capacity of a ton bag can reach 5-35 t / h, and the large-scale industrial production requirement is met.

The utility model relates to a self -cleaning formula epoxy resin adds stirring equipment and belongs to the technical field of stirring equipment, it is through the main agent and curing agent storage jar of shunt arrangement, and utilizes pumping pipeline respectively to two alternate operation's stirring jar feed, each stirring jar is after stirring and is arranged by spraying pump and optional access valve group, after production, by injecting cleaning agent to the raw material jar, can clean all material pipeline and is arranged by the external discharge port, realizes the function of efficient continuous production and convenient self -cleaning.

The application discloses a dilution pretreatment detector for ion chromatography detection of underground water and a method thereof, and relates to the technical field of water quality detection.The detector comprises a supporting shell, a dilution liquid storage cylinder is arranged in the supporting shell, an underground water storage cylinder is arranged in one side of the supporting shell, and a stirring dilution cylinder is connected to the bottom of the underground water storage cylinder and the dilution liquid storage cylinder.A series of structures are arranged, which can effectively avoid impurities from accumulating in the filter screen and the cylinder, greatly improve the impurity removal rate, provide high-purity samples for subsequent ion chromatography detection, reduce the risk of pipeline blockage and instrument damage, ensure that the sample concentration after dilution fully meets the ion chromatography detection requirements, significantly improve the accuracy and stability of the detection results, greatly improve the continuity and work efficiency of the underground water sample pretreatment, adapt to batch sample detection requirements, facilitate deep maintenance and component replacement, shorten equipment maintenance time, and reduce use and maintenance costs.

This utility model relates to the field of photovoltaic cast-in-place pile technology, and discloses a photovoltaic cast-in-place pile quality inspection and sludge cleaning device, including a connecting column a. A support component is fixedly connected to the outer front side of the connecting column a, and a fixing component is also fixedly connected to the outer front side of the connecting column a. A prismatic plate is rotatably connected to the outer side of the fixing component, and a connecting plate is rotatably connected to the outer side of the fixing component. A sludge cleaning spoon is fixedly connected to the bottom of the connecting plate. The support component includes a support plate a, the rear side of which is fixedly connected to the front side of the connecting column a. A screw is threadedly connected to the inside of the support plate a, and the inside of the connecting plate is rotatably connected to the outside of the screw. In this utility model, disassembly and installation can be quickly completed by turning the prismatic plate after tightening the screw, without the need for complicated tools, greatly shortening maintenance time and improving the ease of use and work efficiency of the device.