54results about How to "Reduce failure frequency" patented technology

The invention discloses an online monitoring device for monitoring SF6 micro-water density, and relates to the technical field of gas monitoring. The device comprises a detection cavity, one side of the detection cavity is fixedly connected with an air inlet, the other side of the detection cavity is fixedly connected with a connecting port, one end of the air inlet and one end of the connecting port are fixedly connected with flange plates, the top of the detection cavity is fixedly connected with an infrared spectrum sensor, and the bottom of the infrared spectrum sensor is fixedly connected with a sensing probe. The device is provided with the cleaning assembly, the cleaning assembly is started to operate through the external controller, and dust, particles and other pollutants attached to the surface of the sensing probe can be removed through the cleaning assembly, so that absorption and scattering of infrared light are reduced, and the accuracy of measured data is improved; therefore, the service life of the infrared spectrum sensor is prolonged, the fault and replacement frequency of the infrared spectrum sensor caused by pollution are reduced, and the long-term maintenance cost can be reduced.

The invention provides an electroscope operation intelligent control system based on an intelligent sensing technology, and belongs to the field of electroscope control. Comprising a processor which is in communication connection with a maintenance analysis module, a fault monitoring module and a prediction analysis module. The maintenance analysis module is used for carrying out maintenance analysis on the electroscope; the fault monitoring module is used for monitoring the operation fault of the electroscope in real time, and marking the execution process corresponding to the electricity verification operation of the electroscope as a normal process or a fault process. And the prediction analysis module is used for performing prediction analysis on the fault probability of the normal process at the end moment of the normal process, and marking the corresponding normal process as a risk process when the normal process has a fault risk. According to the invention, the fault probability of the normal process can be predicted and analyzed at the end time of the normal process through the prediction and analysis module, so that the electroscope is actively maintained when the fault probability is abnormal, the fault frequency of the electroscope is reduced, and the actual operation risk of the electroscope is effectively suppressed.

The invention discloses a boiler hanging device, and relates to the field of boiler hanging. Comprising a walking chassis mechanism, a supporting frame fixed above the walking chassis mechanism and an extension arm extending out of the upper end of the supporting frame. A plurality of groups of winches are mounted on the extension arm, slings on the winches penetrate through the pulley block to be connected with a clamping assembly, and the outer side of the boiler body is wrapped with the clamping assembly through steel cables; the clamping assembly comprises a clamping base at the bottom, a shaft rod installed in the clamping base and a driven assembly installed above the shaft rod. The clamping assembly adopts a unique eccentric disc and driven assembly structure, a shaft rod is driven by a driving motor to rotate, so that a clamping pad is tightly attached to the outer side of the boiler body, a steel rope is wound by a steel rope winding disc to form an enclosure structure to clamp the boiler, the boiler is effectively prevented from shaking or sliding off in the hoisting process, and the hoisting safety is greatly improved.

The invention discloses a current-carrying alarm method, device and equipment for a power transmission line, and a storage medium. The method comprises the following steps: inquiring a configuration parameter value related to current carrying in the power transmission line; a predicted first variable value is set for the environment where the power transmission line is located; calculating a first current-carrying capacity allowed by each phase of the power transmission line according to the first variable value and the configuration parameter; in the operation process of the power transmission line, collecting an actual second variable value of the environment where the power transmission line is located; calculating the actual second current-carrying capacity of each phase of the power transmission line according to the second variable value and the configuration parameter; and executing alarm operation on each phase of the power transmission line according to the first current-carrying capacity and the second current-carrying capacity. According to the embodiment, a flexible control strategy is established for the current-carrying capacity of the power transmission line, so that theoretical prediction approaches to the actual condition, the power transmission line is closer to the actual demand, the power transmission line is ensured to operate in a load environment with normal current-carrying capacity, the fault frequency is reduced, and planning and upgrading of the power transmission line are facilitated.

The utility model discloses a surface heat treatment device for corrugated roller production, including coaxial arrangement's inductive heating subassembly and cooling subassembly, the heating ring main part of inductive heating subassembly is by two coaxial, same diameter and inner ring surface is located the same circumference open ring annular body interval combination and is formed, and two annular body open ring place electricity is connected and is connected electrode connecting rod respectively, the hollow upper ring body of cooling subassembly sets up the inclined inner ring surface, and the inner ring surface array has first water spray hole and hole axis is perpendicular to the inner ring surface. The structural design of heating ring main part ensures its with corrugated roller surface distance everywhere is consistent, improves heating homogeneity, and the first water spray hole of upper ring body is inclined setting, has avoided the short circuit, magnetic field disorder problem that horizontal water spray is easy to splash to heating ring to initiate, has overcome the defect that vertical water spray covers insufficiently. Both coaxial synergistic effect, effectively promote the homogeneity of corrugated roller heating and cooling, guarantee its hardness is consistent, reduces equipment failure and maintenance frequency, improves production efficiency and product pass rate.

The utility model relates to the technical field of oil leakage prevention devices, in particular to an oil leakage prevention device for a fan motor, which comprises the fan motor, the fan motor is fixedly connected with an oil leakage prevention motor mechanism, the oil leakage prevention motor mechanism is fixedly connected with an oil leakage pressing mechanism, the fan motor is fixedly connected with a protective shell, and the protective shell is fixedly connected with an oil leakage pressing mechanism. And a ventilation hole is fixedly formed in the fan motor. According to the utility model, the motor of the steam fan stably operates, the speed of the motor of the steam fan is controlled by the reduction gearbox, the oil leakage motor stably collects oil stains and performs oil leakage prevention operation, and the oil leakage pressing mechanism can perform dual oil leakage prevention slave operation. The oil leakage prevention device for the fan motor is provided with double oil leakage prevention mechanisms, oil is effectively prevented from entering the fan motor, major accidents caused by oil contamination are avoided, the safety of the surrounding environment of equipment is guaranteed, the working efficiency of the fan motor can be improved, and the standardized flow of oil contamination management is enhanced.

The invention relates to a two-supply steady flow tank and a water supply system, and relates to the technical field of water supply and drainage. The tank body has an inner cavity; the partition assembly is arranged in an inner cavity of the tank body, the partition assembly divides the inner cavity of the tank body into a conventional cavity and a precipitation cavity in the height direction of the tank body, the tank body is provided with a liquid inlet and a liquid outlet at the conventional cavity, and the tank body is provided with a cleaning port and a drain outlet at the precipitation cavity; in the first state, the partition assembly is opened, so that the conventional cavity is communicated with the precipitation cavity, and the cleaning opening and the drain outlet are in a closed state; in the second state, the partition assembly is closed, so that the conventional cavity and the precipitation cavity are separated, and the cleaning opening and the drain outlet are in an open state. The partition assembly separates the conventional cavity from the precipitation cavity during cleaning, so that water in the conventional cavity is not affected when the precipitation cavity is cleaned, water shortage of a user side is avoided, normal water use of a user is not affected, the service life of equipment can be prolonged, the fault frequency is reduced, and the risk of water cut-off is reduced.

The utility model relates to the technical field of protective devices, in particular to a doffing arm encoder shell protective device which comprises a first protective part and a driving assembly, a transmission part is arranged at the position of a shaft hole of the first protective part, a second protective part is arranged on the transmission part, and the first protective part and the second protective part are both of a cylindrical structure. The second protection part is arranged in the first protection part groove cavity, the first protection part and the second protection part are coaxially arranged through the transmission part, notches are formed in the first protection part and the second protection part, a limiting part is arranged in the first protection part groove cavity, and the limiting part is used for limiting the connection interval between the second protection part and the first protection part. The encoder is located in an isolation cavity of the first protection piece and the second protection piece, and connecting pieces are symmetrically arranged at the two ends of the first protection piece. The connecting piece is arranged on the supporting assembly, and the supporting assembly is used for fixedly installing the first protection piece; the protection effect is good.

The utility model discloses a positioning plate for one-piece dress pattern sticking, which belongs to the technical field of garment processing equipment and comprises a positioning plate, trundles are fixedly connected to the lower surface of the positioning plate, a rotating shaft is rotatably arranged in the positioning plate, a hand wheel is fixedly connected to the surface of the rotating shaft, and a negative pressure box is fixedly connected to the rear side of the positioning plate. The upper end of the rear side of the positioning plate is fixedly connected with a fixing plate, the upper surface of the fixing plate is fixedly connected with a limiting rod, the limiting rod is slidably connected with clamping plates in a penetrating mode, and meanwhile the clamping plates are symmetrically distributed relative to the center of the positioning plate. The upper end of the rear side of the positioning plate is fixedly connected with a supporting frame, and a connecting rod is rotationally arranged in the supporting frame. According to the positioning plate for one-piece dress flower sticking, through the arrangement of the limiting rods and the clamping plates, one-piece dresses are fixed through the clamping plates, the phenomenon that the one-piece dresses deviate in the flower sticking process is effectively avoided, and meanwhile the stability of the positions of the one-piece dresses in the flower sticking process is greatly improved.

The utility model relates to water turbine technical field discloses detachable tubular water turbine guide vane locking device, water turbine guide vane and tubular water turbine with manual and hydraulic double locking function, the locking device includes the manual locking plate set up on the locking hole end face and installs the locking support on the guide vane outer ring, is provided with the locking cylinder on the locking support, the locking cylinder has the locking pin reciprocating in the locking cylinder in, the end of locking cylinder has the opening for the locking pin to pass through, the locking pin is cooperated with the locking hole, realizes water turbine guide vane hydraulic lock; The manual locking plate is equipped with through -hole, and the through -hole has locking bolt, the end surface of locking pin is provided with the locking screw hole of adapting with locking bolt, and locking pin is cooperated with locking bolt, realizes water turbine guide vane manual lock. The utility model will lock the support and combine on the guide vane outer ring, realizes the separation of locking support and runner chamber, and the locking device is detachable, not only is convenient for overhauling and simplifies runner chamber structure.

The utility model relates to the technical field of stamping dies, in particular to a high-precision gradient thin-wall stamping die. Comprising an operation table, a mounting frame is arranged in the middle of the upper surface of the operation table, a hydraulic cylinder is arranged on the lower surface of the inner wall of the mounting frame, and an upper die is arranged on a piston rod of the hydraulic cylinder. The stamping stability of a machined part is effectively improved, the error frequency is reduced, the production yield of the machined part is improved, the demolding assembly assists the thin-wall part to be separated from the mold, operation is easy, the structure is simple, the fault frequency of the stamping mold is reduced, the work efficiency of demolding of the stamping mold is improved, time waste is avoided, and the production cost is reduced. And the machining period of the thin-wall part is greatly shortened, economic benefits are increased, and therefore the practicability of the stamping die is improved.

This invention discloses a rubber component hot-melt crushing and recycling device. The crushing chamber includes two linked crushing shafts. The crushing shafts have internal cavities, and nozzles communicating with these cavities are located on their outer walls. The hot-melt chamber includes a first contraction section and a discharge section. A sleeve is rotatably mounted on the radial outer wall of the discharge section. Multiple slots are formed on the radial outer wall of the discharge section, and multiple discharge ports are formed on its axial outer wall. When the sleeve rotates relative to the discharge section, a scraper cuts the molten rubber at the discharge ports. The sleeve scrapes the radial inner wall of the discharge section to prevent the molten rubber from adhering and accumulating. This invention solves the problem of rubber debris adhering to the crushing rollers through the air-blowing structure of the internal cavity of the crushing shaft and the nozzles, improving crushing efficiency and continuity. The combination of the discharge section with the rotating sleeve and scraper structure allows for uniform cutting of the molten rubber and real-time scraping of materials adhering to the inner wall, improving discharge smoothness and efficiency.

The utility model relates to the technical field of liquid filtration, particularly relate to a filter assembly and flow measuring instrument, its effective circumvention hard impurity leads to the risk of sensing unit jam, component wear and tear, and has reduced the cleaning difficulty of self, including: filter drum, the inside of filter drum is provided with filter cavity, and both sides of filter drum are provided with liquid inlet and outlet, the towed ring is fixedly set on the inner side wall in filter drum, and the lowest point of towed ring is set below liquid inlet, and the highest point of towed ring is set above liquid outlet, the top cap is covered and set at the top end of filter drum, and the connecting place of top cap and filter drum is provided with sealing assembly, the filter groove is provided with the hanging ring on the filter groove, and the filter groove sets up inside filter drum, and the hanging ring is set on towed ring.

The utility model discloses a device suitable for low temperature methanol washing system high pressure rich liquid energy recovery, include: shift gas washing tower is used for removing gas impurity in shift gas, and output rich hydrogen sulfide methanol liquid and rich carbon dioxide methanol liquid, shift gas washing tower is connected to the sulfur section and sulfurless section liquid inlet line of medium pressure flash tower through two first pipelines respectively, all are provided with pressure reducing valve on two first pipelines, and all are led out a branch on two pipelines, and the import of two branches all are located pressure reducing valve front end, and the export is connected to the sulfurless section and sulfur section liquid inlet line of medium pressure flash tower respectively, and the common liquid turbine unit is provided on two branches, and the liquid turbine unit is connected with generator. Through the device of the utility model can effectively recover the pressure energy in the pressure reduction process of rich methanol liquid, and convert it into electric energy, reduce enterprise power consumption, improve the energy utilization efficiency of whole process.

The utility model discloses a mechanical finger rotating shaft which comprises a base, a threaded hole, a limiting locking part, a square triangular tooth, a protective shell, a spring and a round pipe. A center rotating shaft is arranged on the upper end face of the base and is a round pipe, square triangular teeth are arranged on the upper end face of the base and arranged on the center rotating shaft in a sleeving mode, and another square triangular tooth is reversely buckled above the square triangular teeth. A spring is arranged above the square triangular teeth and arranged on the central rotating shaft in a sleeving mode, a protective shell is arranged above the square triangular teeth, and the protective shell is arranged on the outer side of the spring in a sleeving mode and limits the space of spring deformation. A limiting locking part is arranged at the top end of the center rotating shaft, the lower end face of the limiting locking part limits the position of the protection shell, resilience force is achieved when the square triangular teeth rotate mutually, and the device has the advantages of being simple in structure, stable, reliable, low in cost and convenient and fast to install.

The utility model discloses an air-cooled cooling-water machine with a filtering function, relates to the technical field of air-cooled cooling-water machines, and aims to solve the problems that the existing air-cooled cooling-water machine is not provided with an efficient cooling water and air filtering system, so that the equipment is easily influenced by water quality and air impurities, and the stability and the refrigeration efficiency are relatively low. The air-cooled water cooling device comprises an air-cooled water cooling machine body, an evaporator component, a compressor component, a condenser component, a refrigerant filter and a water tank assembly are arranged in the air-cooled water cooling machine body, and the air-cooled water cooling device is fixedly connected to the inner bottom of the air-cooled water cooling machine body. The cooling water filtering device is connected to a pipeline, reserved outside, of the air-cooled water cooler body through a flange; the air supply fan structure is fixedly connected to the top end of the air-cooled water cooler body; the air filtering component is connected into the air-cooled water cooler body in an embedded mode.

The utility model relates to the technical field of fabric processing, in particular to a fabric composite processing device. The device comprises an operation table, four supporting legs are installed on the lower surface of the operation table, two composite rollers are fixedly connected to the surface of the operation table, a rotating drum is fixedly connected to the surface of the operation table, transmission wheels are rotationally connected to the side walls of the composite rollers, and a transmission belt is rotationally connected to the surfaces of the transmission wheels. A motor is fixedly connected to the side wall of the operation table, the output end of the motor is fixedly connected with the transmission wheel, an adjusting device is arranged on the side wall of the rotary drum and comprises a fixing plate, the fixing plate is fixedly connected with the side wall of the rotary drum, and a sliding plate is inserted into the fixing plate in a sliding mode. The problem that when fabric is subjected to composite processing, due to the fact that a transmission belt driven by a motor is loosened after being used for a long time, the rotating efficiency of a composite roller driven by the motor is affected is solved.

The invention provides an auxiliary electronic control system of a ship unloader, which belongs to the technical field of electronic control, and comprises a first determination module for acquiring the working principle and the use environment of the ship unloader, determining key parameters needing to be monitored, and determining a sensor; the control module is used for analyzing the parameters acquired by the sensor, acquiring the real-time state of the ship unloader and controlling the movement and action of the ship unloader based on a PID (Proportion Integration Differentiation) controller; the first acquisition module is used for acquiring the swing condition of the grab bucket of the ship unloader and the semi-automatic running path of the grab bucket, and stabilizing and controlling the grab bucket based on an electronic anti-swing technology and semi-automatic optimal path control; the second acquisition module is used for processing the swing condition of the grab bucket of the ship unloader and the semi-automatic running path of the grab bucket and acquiring the abnormal condition of the ship unloader; the first generation module is used for generating different alarm information according to abnormal conditions, electric control assistance of the ship unloader is achieved, and the problems that manual inspection is needed, meanwhile, the real-time performance of related data cannot be guaranteed, and the working speed of the ship unloader is reduced are solved.

The utility model relates to the technical field of pumpkin seed baking and frying, in particular to an efficient energy-saving pumpkin seed baking and frying device which comprises a workbench, a baking and frying assembly is arranged at the top of the workbench and comprises a roller, the other end of the roller is fixedly connected with a connecting ring, the top end of the roller is fixedly connected with a barrel cover, and the barrel cover is fixedly connected with a rotating shaft. And the barrel cover is matched with the roller. According to the efficient and energy-saving pumpkin seed baking and frying device, pumpkin seeds needing to be baked and fried are put into the roller, the resistance wire is electrified and heated, the roller is preheated, meanwhile, the servo motor is started, the servo motor drives the stirring fan blades to rotate for stir-frying, the horizontal roller is used, the pumpkin seeds can be evenly heated in the frying process, the frying efficiency is improved, and the labor intensity of workers is reduced. The stirring fan blades are arranged in the roller, so that pumpkin seeds can be continuously turned, local overheating or non-uniform stir-frying is avoided, meanwhile, the barrel cover is covered, the good sealing performance of the device is ensured, heat loss and dust entering are reduced, and the stir-frying effect and the product sanitation are improved.

The utility model belongs to the field of electric furnace smelting, especially relates to a double position ladle refining furnace electrode rotating device, including rotating frame, electrode rotating oil jar, rotating oil jar trunnion base, slewing bearing, rotating base, stand hanger, rotating locking device, oil cylinder support, proximity switch arrangement, the inner ring of slewing bearing is fixed in rotating base, the outer ring is connected with rotating frame, electrode rotating oil jar is driven rotating frame around slewing bearing centre axis between 1# work position and 2# work position through piston rod telescopic, the proximity switch arrangement detects the work position of rotating frame and triggers rotating locking device and locks rotating frame, through structural optimization and function cooperation, synchronous realization has been achieved to accurate positioning, stable operation, space saving, life extension and efficiency promotion, and the demand of modernization steel smelting to equipment high performance, low energy consumption, easy maintenance has been satisfied comprehensively.

The high-pressure mechanical sealing surface damage repairing device comprises a machine base, a gear motor is arranged on the upper portion of the machine base, a transmission shaft of the gear motor penetrates through the machine base, the lower portion of the transmission shaft is connected with an automatic feeding tool table, and a turning tool is arranged on the lower portion of the automatic feeding tool table; fastening bolts are further arranged on the lower portion of the machine base, when the repairing device is installed, the machine base is fixedly installed on the overflowing part needing to be repaired, it is ensured that fixation is compact, and the using method comprises the following steps that S1, a repairing scheme is determined; s2, data of the repairing scheme are input into an automatic control application single-chip microcomputer; s3, manual coarse repairing is carried out; s4, the high-pressure mechanical sealing surface damage repairing device is fixed to the overflowing part needing to be repaired, and leveling is conducted; s5, the automatic control application single-chip microcomputer is used for controlling the feeding cutter table to conduct fine repairing; and S6, the repairing device is disassembled, and repairing is completed.

This utility model relates to a vacuum low-temperature evaporation wastewater treatment system, including a chassis and a distillation kettle and a vacuum cooling device installed inside the chassis; wherein, the distillation kettle is provided with a wastewater inlet, a steam outlet and a concentrated liquid outlet, the wastewater inlet is equipped with a liquid inlet valve and the concentrated liquid outlet is equipped with a drain valve; a float level gauge is installed on the distillation kettle, the float level gauge is used to control the opening and closing of the liquid inlet valve; the vacuum cooling device is in fluid communication with the steam outlet, and is used to evacuate the distillation kettle and cool the steam into water; wherein, the vacuum low-temperature evaporation wastewater treatment system further includes a level gauge cleaning device, the level gauge cleaning device is used to spray and clean the float level gauge.

The utility model relates to a system of protecting rectifying tower safety belongs to the field of air separation, it includes upper tower, evaporimeter, supercooler, lower tower, main heat exchanger, expander and emergency valve, the bottom of upper tower is equipped with lower tower and communicates with it, and upper tower is equipped with evaporimeter, and upper tower is connected with supercooler, and supercooler and third supercooling export are connected with upper tower, and lower tower is connected with supercooler, and supercooler is connected with main heat exchanger, and main heat exchanger is connected with lower tower, and main heat exchanger is connected with upper tower, and main heat exchanger is connected with expander, and expander is connected with main heat exchanger, and the inlet and outlet of expander are connected with emergency valve in parallel, and emergency valve is connected with PID regulation control system. Solve the current air separation equipment when meeting emergency situation needs manual opening emergency valve, if not in time processing, can cause rectifying tower pressure to rise, also can cause the problem of overall accident of equipment, avoid the operation error of personnel operation, improve production efficiency, guarantee equipment safety, easy to realize digitized management.

A high-precision silver contact welding mechanism comprises an equipment base, a welding device connected to the equipment base, a fixing clamp connected to the equipment base and a controller. The welding device comprises a first sliding base connected to the equipment base in a sliding mode, an upper welding head fixedly connected to the first sliding base, a second sliding base connected to the equipment base in a sliding mode and a lower welding head fixedly connected to the second sliding base. The linear servo motor is used for driving the first sliding base to move in the vertical direction, the hydraulic air cylinder is used for driving the second sliding base to move in the horizontal direction, a first limiting groove is formed in the fixing clamp, and the first limiting groove is matched with the lower welding head and a contact to be machined in shape and size. The lower welding head corresponds to the first limiting groove in position, and the controller is electrically connected with the linear servo motor and the hydraulic air cylinder.

The utility model belongs to the technical field of packaging equipment, and particularly relates to a fast carton sealing neon lamp packaging device which comprises a carton sealing workbench body, two conveying belts used for moving cartons are arranged at the top of the carton sealing workbench body, and blowing mechanisms are arranged on the carton sealing workbench body and the conveying belts. The blowing mechanism comprises an air pump arranged on one side of the carton sealing workbench body, the air pump arranged on the blowing mechanism is communicated with the high-pressure air spraying head, and when the downward bending angle of the carton folding cover is too large, high-pressure air sprayed out of the high-pressure air spraying head blows the carton folding cover to rotate upwards. Hollow mounting seats are arranged at the tops of the two conveying belts; the neon lamp packaging and sealing device can ensure that a carton can be timely matched with a side covering rod, a front cover folding piece and a rear cover folding piece on the automatic cover folding mechanism, reduces the problems of carton clamping, carton sealing failure and the like in the carton sealing process, enables the neon lamp packaging and sealing process to be smoother and more efficient, and can improve the carton sealing efficiency compared with a traditional device.

The utility model discloses a metal door surface treatment device, including the treatment platform, the both ends inner wall rotation of treatment platform front recess is connected with first threaded rod, one end outer wall fixed mounting of treatment platform has first motor, and the output shaft of first motor is fixedly connected with one end of first threaded rod, and the outside of first threaded rod is equipped with two groups of opposite output's thread groove, and the thread groove outside is connected with mobile station, and the both sides of mobile station and located the outside fixed connection of first threaded rod has ring cover, and the inboard fixed mounting of ring cover has the ring cleaning brush for cleaning first threaded rod. The utility model discloses through first motor drive first threaded rod rotation makes two mobile station along first sliding rod and moves to adapt to different width metal door, and the runner reduces friction, and the roller position prevents deviation, and ring cleaning brush continues to clean the surface impurity of first threaded rod simultaneously, thereby improves the processing efficiency, quality and equipment operation stability.

The utility model discloses a motor, including the pivot, the casing and the refrigeration pipe, the refrigeration piece and the heat conduction plate of inside and outside setting in the pivot and the casing between in proper order, the refrigeration pipe is around the outer periphery of the pivot, the two sides of refrigeration piece are equipped with refrigeration surface and the heat releasing surface respectively, and the refrigeration surface is opposite with the refrigeration pipe, and the heat releasing surface is contacted with the heat conduction plate, and the casing is fixed with a plurality of radiating fins. The pivot exchanges heat with the refrigerant in the refrigeration pipe, and the heat of the refrigerant after heat exchange is absorbed by the refrigeration surface of the refrigeration piece, realizing cooling to the pivot, the heat of the heat releasing surface of the refrigeration piece is conducted to the casing outside through the heat conduction plate and the radiating fin in proper order, avoiding temperature rise in the casing too high, so can reduce the risk of thermal deformation of the pivot due to high temperature, reduce the frequency of motor failure, effectively provide the working reliability of motor.

The invention belongs to the technical field of smart city operation and maintenance management, and particularly discloses a smart city data center operation and maintenance management system based on big data. The system comprises an infrastructure monitoring module, an infrastructure analysis module, an equipment operation monitoring module, an equipment operation analysis module, a business application monitoring module, a business application analysis module, a smart city analysis module and a smart city management terminal. According to the invention, operation and maintenance management is carried out on the smart city data center, the maintenance timeliness of the infrastructure of the data center is guaranteed, the application attention of business application is further guaranteed, the frequency of equipment faults is reduced, and the operation and maintenance management of the smart city is carried out through three latitudes of infrastructure, equipment operation and business application. The multi-latitude monitoring analysis of the smart city data center is realized, so that the comprehensiveness and the fineness of the data monitoring analysis are guaranteed, and the timeliness of finding potential problems in equipment is guaranteed.

The utility model discloses an intelligent water affair transmission device which comprises an installation box, four damping springs are assembled on the lower wall in the installation box, four telescopic rods are assembled on the upper wall in the installation box, and an assembly screen frame is assembled between the four damping springs and the four telescopic rods. The intelligent water affair transmission device relates to the technical field of intelligent water affair transmission, achieves auxiliary heat dissipation through temperature sensing, is high in heat dissipation effect, achieves external force impact protection of the installation box, can also achieve shock absorption when small earthquakes occur, and is high in practicability. And the fault occurrence frequency of the intelligent water affair transmission equipment is greatly reduced.

The utility model discloses a digital electronic practical training device easy to overhaul and maintain, which comprises a practical training operation table shell, a mounting groove is arranged on the side surface of the practical training operation table shell, an insertion hole is arranged on the inner wall of the mounting groove, a frame convenient to disassemble is arranged in the mounting groove, a division frame is fixedly arranged in the frame convenient to disassemble, and a filter screen is fixedly arranged between the division frame and the frame convenient to disassemble. A locking mechanism inserted into the insertion hole is arranged in the partition frame, and a heat dissipation mechanism is fixedly installed on the side, located in the practical training operation table shell, of the partition frame. According to the convenient-to-disassemble frame, by poking the poking rod arranged on the convenient-to-disassemble frame, the rotating rod rotates to drive the driving gear, the driven gear is driven to enable the connecting shaft to drive the winding disc to rotate, the pull rope is wound, the pull rope pulls the insertion rod and extrudes the compression spring, the insertion rod is separated from the insertion hole, and then the convenient-to-disassemble frame can be taken down and disassembled conveniently; the cooling fan is used for cooling, and meanwhile, the cleaning brush is arranged to clean the filter screen, so that the filter screen is prevented from being blocked to affect the cooling effect, dust is prevented from entering, and the line fault and damage frequency is reduced.