748results about How to "Reduce maintenance workload" patented technology

The invention belongs to but is not limited to the technical field of software development, and particularly relates to a multi-round reasoning and feedback optimization method and system for industrial software codes, and the method comprises the steps: S1, vector code library establishment: the establishment of a vector code library is composed of three parts of feedback establishment, vector database establishment and format summarization; s2, code reasoning optimization: the code reasoning optimization mainly comprises four aspects: control flow graph analysis, multi-query generation and reciprocal ranking fusion retrieval, reasoning generation subtask and code chain submodule generation, and code combination completion; and S3, feedback optimization: the feedback optimization is composed of score feedback optimization and log feedback optimization. According to the method, an automatic verification mechanism is introduced, logic consistency check and performance evaluation are carried out on the generated and optimized codes, and the correctness and execution efficiency of the codes are ensured. The verification mechanism can find and correct errors in real time in each stage of generation, so that the cost of manual verification is reduced, and the development efficiency is improved.

The invention relates to the technical field of combustible gas detectors, in particular to a combustible gas detector with an underground Internet of Things function, which comprises a gas exchange seat, a mounting mechanism rotatably connected to the bottom of the gas exchange seat, a combustible gas detector main body fixedly mounted at the bottom of the gas exchange seat, and a fixing frame fixedly connected to the bottom of the gas exchange seat. A movable frame is arranged on the fixed frame in a sliding fit mode, a protective cover is rotatably connected to the interior of the movable frame, an automatic maintenance mechanism is rotatably connected to the movable seat, and in the using process of the combustible gas detector, dust on the surface of the gas sensor is cleaned and maintained regularly through the automatic maintenance mechanism; the dust on the surface of the gas sensor can be automatically cleaned by utilizing the brush frame which rotates and swings in a reciprocating manner, the sensor can accurately read the gas concentration, the possibility of false alarm and missing alarm is reduced, the manual cleaning frequency is reduced through an automatic maintenance mechanism, and the labor cost and the maintenance workload are reduced, so that the service life of the sensor is prolonged.

The invention relates to the technical field of new energy power generation, in particular to a test simulation method and system based on a new energy automatic power generation control master station. AGC parameters of the new energy power plant are obtained and a model is established, wherein the AGC parameters comprise a power plant table, an AGC field group, an AGC system, a control area, a power plant controller, an AGC unit table, power plant measurement and PLC measurement; configuring parameters of an AGC master station test system, wherein the configuration parameters comprise a PLC name, a new energy power station capacity, a current power, a target power, an adjustment upper and lower limit, a test time parameter and the like; performing simulation according to the AGC modeling parameters and the configuration parameters and outputting a simulation result; and generating an AGC control instruction based on a simulation result and evaluating a dynamic performance index. Through a complete parameter modeling system and differentiated performance index evaluation, the accuracy and efficiency of the new energy AGC control test are remarkably improved, the dynamic performance of the new energy power station is accurately evaluated, and reliable technical support is provided for power grid dispatching.

The invention provides a substrate management controller adaptation method of a basic input and output system and a program product, which are applied to the technical field of computers and aim at solving the problems of large code maintenance amount and large management workload of an adaptation method in the related technology. Obtaining current substrate management controller identification information in the intermediate storage medium; the current substrate management controller identification information is written into an intermediate storage medium when the current substrate management controller is started; according to the current substrate management controller identification information, determining a target adaptation algorithm corresponding to the current substrate management controller identification information from pre-stored adaptation algorithms corresponding to different substrate management controller identification information; in the continuous starting process, the target adaptation algorithm is adopted to initialize and configure the serial port corresponding to the current substrate management controller so as to communicate with the current substrate management controller through the initialized and configured serial port, and the code maintenance and management workload can be reduced.

The invention relates to a multi-language intelligent question and answer method and device, equipment and a medium in the technical field of e-commerce, and the method comprises the steps: obtaining a question text provided by a user, and determining a question language of the question text; when the question language is consistent with a knowledge language corresponding to the question and answer knowledge base, determining a pre-stored question matched with the question text in the question and answer knowledge base, and taking an answer text corresponding to the pre-stored question as a target answer text; when the question language is inconsistent with the knowledge language, translating the question text into a target question text corresponding to the knowledge language, determining a pre-stored question matched with the target question text in a question and answer knowledge base, and translating an answer text corresponding to the pre-stored question into a target answer text corresponding to the knowledge language; and sending the target answer text to the user. Only one question and answer knowledge base of a specific language needs to be maintained, and the management and maintenance workload of the question and answer knowledge base is remarkably reduced.

The invention provides an inner hole grooving device and a using method. The inner hole grooving device comprises a grooving device body installed on a machine tool tailstock, the grooving device body is coaxial with a workpiece installed on a machine tool chuck, and a plurality of sliding supporting bases are arranged between the grooving device body and a machine tool sliding rail; the grooving device comprises a shell supporting assembly and an internal feeding assembly, the internal feeding assembly is located in the shell supporting assembly and slides, a cutting tool moving in the radial direction is arranged at the end of the shell supporting assembly, and a tool in the cutting tool is used for cutting the inner wall of the workpiece; the cutting tool is located at the end of the grooving fixing cylinder through a clamping groove structure and slides in the radial direction, a dovetail wedge block is fixedly arranged on the bevel edge of the right-angle driving plate, a dovetail sliding groove is formed in the bottom of the cutting tool, and the dovetail wedge block abuts against the interior of the dovetail sliding groove. According to the inner hole grooving device, through the precise design and the efficient control system, the machining precision and stability are improved, the operation and maintenance process is simplified, and the overall production efficiency and product quality are improved.

The invention discloses an electric reactor with internal coil stabilization and auxiliary heat dissipation, and relates to the technical field of coil stabilization, the electric reactor comprises a base, the top surface of the base is fixedly connected with an air-core electric reactor body, the outer surface of the air-core electric reactor body is provided with a coil body, and the top surface of the base is provided with a coil stabilization mechanism for preventing the coil from loosening. An auxiliary heat dissipation mechanism used for assisting heat dissipation of the reactor is arranged on the top face of the base, the coil stabilizing mechanism can clamp a loose coil, pressure can be applied more evenly through clamping and fixing, the coil is more stably fixed, the consistency of the shape and performance of the coil can be kept, and the service life of the reactor is prolonged. The clamping device can avoid direct compression and damage to an insulating layer of the coil, the insulating performance of the coil can be protected, the auxiliary heat dissipation mechanism can scrub the interior of the electric reactor, remove dust and sundries in the electric reactor, reduce heat resistance, improve heat dissipation efficiency and keep the electric reactor to operate within the normal working temperature range.

The invention discloses a transformer state monitoring method and system based on voiceprint perception and a medium, and the method comprises the following steps: collecting a sound wave signal and a vibration signal of a transformer, carrying out the preprocessing of the collected signals, and carrying out the feature extraction; converting the obtained signal into frequency domain information, and detecting and marking an abnormal value in the signal; the method comprises the following steps: constructing a T-Manba model, and training the Mamba model by using known signal data of a transformer in a normal operation state; and inputting the obtained data into the trained Mamba model, and identifying the abnormal state of the transformer. According to the invention, real-time monitoring and diagnosis of the operation state of the transformer are realized through sound analysis, automation and intelligentization of state monitoring of the transformer are realized, and real-time and accurate monitoring and diagnosis of the operation state of the transformer are provided.

The utility model relates to a special-shaped pipe for a compact spinning device and a tension supporting mechanism of the special-shaped pipe, which comprise an integrated negative pressure compact pipe with a smooth surface and a negative pressure cavity, and a rib plate which is arranged at the lower part of the negative pressure compact pipe and extends towards one side of a compact lower roller, the negative pressure gathering pipe is provided with at least one air suction connector communicated with the negative pressure cavity and a plurality of airflow guide grooves formed in the wall of the arc-shaped guide pipe. A tension supporting seat is arranged on the lower portion of the rib plate, a rod hole used for installing a tension rod is formed in the tension supporting seat, and installation grooves which correspond to the airflow guide grooves and are used for installing tension supporting arms and gear receding notches used for receding the carrier gear are formed in the tension supporting seat at intervals. According to the utility model, the strength and the processing and assembling precision of the special-shaped pipe can be improved, the synchronism of the lattice apron is good, and the spinning consistency is improved.

The invention relates to the technical field of sensor calibration, in particular to an automatic calibration device, a calibration robot and a calibration method.The automatic calibration device comprises a detection module used for outputting gas to a sensor to be detected for detection; the control module is electrically connected with the detection module so as to control the detection module; the monitoring module is electrically connected with the control module, so that the control module outputs data to the monitoring module; and the gas supply module is connected with the detection module so as to supply detection gas to the detection module. Through the cooperation of the detection module, the control module and the gas supply module, automatic calibration of the sensor can be realized, the operation steps of sensor calibration are simplified, the complexity of personnel operation is reduced, and meanwhile, through the cooperation of the monitoring module and the control module, the quality of sensor calibration and the identifiability of abnormal operation are improved; in addition, the intensity of field adjustment is reduced, and the stability and intelligence of the product are improved.

The utility model relates to a central disc feeder, and belongs to the field of raw material loading and unloading. A flow guide body (2), a scraper (3) and a disc body (5) are arranged in the material flowing direction, the flow guide body (2) and the scraper (3) are fixedly arranged, the disc body (5) is rotationally arranged around the axis of the disc body (5), and a discharging through hole (15) is formed in the center of the disc body (5); materials fall onto the disc body (5) along the flow guide body (2), the disc body (5) rotates, and the materials are dispersed by the scraper (3) and fall through the discharging through hole (15). According to the scheme, the discharging through hole (15) is formed in the center of the disc body (5), and the feeding device has the advantages of being even and stable in feeding, not prone to blockage, convenient to overhaul and long in service life.

The invention discloses a coal dust influence suppression method for coal mine gas laser detection and a detection device, and the method comprises the steps: extracting gas in a coal mine goaf through a gas pump and a beam tube of the coal mine gas laser detection device, and detecting a characteristic absorption spectrum of the gas in the goaf by adopting a TDLAS technology; correcting a second harmonic signal and a peak value in the characteristic absorption spectrum by considering the attenuation influence of the coal dust in the goaf gas on the second harmonic signal of the laser penetrating through the goaf gas; and obtaining the accurate concentration value of each component gas in the goaf gas by using the corrected second harmonic signal peak value. According to the invention, the influence of coal dust on gas concentration detection can be greatly reduced, the sensitivity of gas detection is improved, and good detection effect and precision can be achieved.

The invention belongs to the field of tunnel supporting structure deformation monitoring, and discloses a tunnel supporting structure deformation monitoring system based on distributed optical fibers and a construction method, and the system comprises an optical fiber distributed demodulator, a first strain sensing optical cable, a second strain sensing optical cable, and a supporting structure arranged in a tunnel surrounding rock structure. The supporting structure comprises a concrete steel pipe extending along the curved surface of the tunnel and a plurality of flexible grating steel frames, and the concrete steel pipe is arranged in the center of a frame structure formed by the flexible grating steel frames and fixedly connected with the frame structure through weak-rigidity connecting ribs. The first strain sensing optical cable is arranged along the two opposite flexible grating steel frames; the second strain sensing optical cable is bidirectionally arranged along the concrete steel pipe; and the optical fiber distributed demodulator is used for demodulating to obtain the displacement of the tunnel in the horizontal direction and the vertical direction according to the sensing data in the first strain sensing optical cable and the second strain sensing optical cable. According to the invention, real-time accurate monitoring of deformation of the tunnel supporting structure is realized, and the arrangement and maintenance cost of the sensor is greatly reduced.

The invention discloses an integrated wafer pre-adjusting part and a wafer processing device, the integrated wafer pre-adjusting part comprises a first lifting platform, an adjusting mechanism, a detector and a code scanner, and the adjusting mechanism comprises a hook claw, a turntable, a first driving assembly and a second driving assembly; the first driving assembly is matched with the hook claw to move the wafer at the preparation station to the adjusting station, so that the wafer is positioned; the second driving assembly is matched with the turntable to rotate the wafer, so that the detector and the code scanner can confirm the notch position and coding information of the wafer, and edge searching and code scanning of the wafer are realized; the left and right sides of the wafer returning to the preparation station are limited by the slots, and the front and back positions are limited by the output stroke of the first driving assembly, thereby achieving the centering of the wafer. According to the wafer processing device, the wafers are pre-adjusted quickly through the integrated wafer pre-adjusting part, each wafer in the wafer processing device can have a unified and accurate position and posture before processing, and accurate data and a positioning basis are provided for subsequent wafer processing procedures.

The invention belongs to the technical field of pole-mounted circuit breakers in power systems, and particularly relates to a pole-mounted circuit breaker integrating communication, electricity taking and traveling wave distance measurement. The solid-sealed polar pole is located on the box body, an integrated capacitor C1 is arranged in the solid-sealed polar pole, and the wire inlet side of the integrated capacitor C1 is a high-voltage terminal; a secondary side circuit is arranged in the box body, a self-integrated capacitor C1 is sequentially connected in series with low-voltage capacitors C2 and C3 of a capacitor electricity-taking power supply and a high-frequency transformer T2, and a power-frequency electricity-taking transformer T1 is connected in parallel with the C2 and C3; the protection circuit is connected to the C3 in parallel; the high-frequency transformer T2 has two groups of output windings, one group of output windings is connected in series with the traveling wave acquisition circuit, and the other group of output windings is connected in series with the carrier communication circuit. Original four independent devices are integrated into one device, functions are deeply integrated, the limitation that in a traditional scheme, a plurality of devices achieve a single function is broken through, high integration of the devices is achieved, the number of the devices and the installation space are reduced, and the installation and maintenance cost is reduced.

The invention provides a distributed energy information modeling method for on-site coordination control of an active power distribution network, and belongs to the technical field of power grid control. Comprising the following steps: based on intelligent electronic equipment and a distributed energy system, establishing an equipment side information model according to an IEC61850 standard; according to an IECCIM expansion principle, distributed energy CIM expansion is carried out on the power system information model at a master station side; performing static topology model fusion and measurement model fusion on the equipment side information model and the electric power system information model after CIM expansion; and constructing a fusion model by utilizing a protocol mapping mode, and mapping data of the equipment side information model and the power system information model by utilizing the fusion model. According to the invention, the problem of model fusion between the terminal equipment and the distributed energy and the master station system is solved, a unified lightweight object-oriented information model for distributed energy cooperative control is established, and reliable and real-time exchange of equipment-equipment and equipment-master station information is realized.

The invention relates to the technical field of cutting machine protection, and discloses a linear cutting machine tool with a liftable waterproof cover, which comprises a machine tool body, the outer side of the machine tool body is sleeved with a peripheral cover, the top of the machine tool body is provided with a mounting baffle, the mounting baffle is sleeved with a waterproof cover body, and the top of the machine tool body is provided with a workpiece mounting seat. A lifting assembly is arranged on one side of the waterproof cover body. A cleaning assembly is arranged on one side of the top of the machine tool body. The lifting assembly is used for controlling the height of the waterproof cover body. And the cleaning assembly is used for cleaning sediments at the bottom of the mounting baffle. Compared with the prior art, the lifting assembly can adjust the height of the waterproof cover body according to needs, it is ensured that the waterproof cover body is always kept at the proper position in the machining process, good protection is provided, and the cleaning assembly is located on one side of the top of the machine tool body and specially used for cleaning sediments at the bottom of the mounting baffle and keeping clean; and normal operation of equipment is ensured.

The invention relates to the technical field of special motors for hot air circulating fans, in particular to a special motor for a hot air circulating fan, which comprises a hot air circulating fan body, an equipment seat is fixedly mounted on the hot air circulating fan body, a sliding seat is arranged on the equipment seat in a sliding fit manner, and a motor seat is rotatably connected to the sliding seat. A fan blade driving motor is fixedly installed on the motor base, one electric push rod A is fixedly connected with a scraping mechanism, and the other electric push rod A is fixedly connected with a lubricating oil smearing base. Lubricating oil is evenly smeared on the transmission shaft of the fan blade driving motor by driving the oil smearing brush, automatic lubrication can be achieved, manual intervention is not needed, the lubrication efficiency of the fan blade driving motor in the hot air circulation fan can be effectively improved, the maintenance workload is reduced, the service life of equipment is prolonged, and efficient and stable operation of the equipment is guaranteed.

The present invention discloses a simulated digital distribution network operating system and a construction method, the operating system comprises: distribution network data resources, a kernel, a tool component layer and an application software layer; the kernel is used to store and process the distribution network data resources; the tool component layer completely wraps the kernel; the application software layer realizes the interaction of distribution network data resources with the kernel through the tool component layer; the tool component layer comprises a common basic module and a software development kit, the common basic module can be integrated by various distribution network application software, and provides technical services for user front-end; the software development kit can be integrated by various distribution network application software, and provides technical services for user back-end operations; the tool component layer completes the interpretation of distribution network data resource commands from the application software layer under the condition of considering the capacity requirements of the common basic module and the software development kit, and realizes service calling, message subscription or collaborative computing with the kernel as needed.

The invention relates to a road collapse monitoring method and system by multiplexing an existing communication optical cable, the method comprises the steps of data acquisition and processing, conversion relation acquisition, mapping relation construction and road collapse monitoring, the system comprises a communication optical cable, a junction box, a distributed optical fiber demodulation device and a computing terminal, the computing terminal is used for implementing the method. Compared with the prior art, the method has the advantages of wide monitoring range, low monitoring cost, high real-time performance, high accuracy and the like.

The invention relates to the technical field of computer application, and discloses a gRPC interface destructive change detection method under a micro-service architecture, which comprises the following steps: acquiring a gRPC interface definition information file according to a configuration file, and analyzing a source code to obtain interface declaration information and definition information; obtaining source codes of micro-services and sub-services thereof in a to-be-detected product package, and constructing an abstract syntax tree; traversing the abstract syntax tree, matching the method declaration information with the gRPC interface definition information, and generating a gRPC interface information group; matching the method calling information with the gRPC interface definition information to generate a calling gRPC interface information group; and matching the method information in the implementation and calling information group, determining whether destructive change exists or not, and identifying an interface which generates destructive change influence to obtain a destructive change gRPC interface group. Therefore, the detection of the destructive change of the gRPC interface under the micro-service architecture is realized.

A transformer bushing system with a self-diagnosis function comprises A-phase, B-phase and C-phase capacitive bushings with the same voltage class, a secondary capacitive voltage divider and a voltage summary signal box, wherein the secondary capacitive voltage divider and the voltage summary signal box are matched with each other. The transformer bushing system is used as complete equipment in a combined manner during operation. Compared with three-phase bushings of the same voltage level, the three-phase bushings of the same voltage level are not instantaneous voltages, but are compared by firstly monitoring an effective voltage mean value of the three-phase voltages within a certain time and then comparing, and when a certain phase is obviously increased, an early warning signal is sent out. The dry-type bushing suitable for the capacitive insulation structure comprises an RIP sleeve, an RIS sleeve and the like, two measuring taps are arranged at the positions, close to the grounding position, of the bushing, the part led out from the outermost layer is always grounded during operation, the part led out from the secondary end screen is connected with a voltage acquisition input port of a capacitive voltage divider, and the risk that the end screen is out of the ground during operation of the bushing is avoided.

The embodiment of the invention discloses a fault diagnosis system based on AI data driving, and belongs to the technical field of equipment fault diagnosis, and the system comprises a sensing module which is installed on target equipment, collects the operation signal data of the target equipment, transmits the signal data to a monitoring station through a signal cable, and completes the local data processing through the monitoring station. The data is transmitted to a server through a network cable and an optical fiber; the analysis module displays, stores, distributes and models signal data according to the obtained equipment signal data, and field equipment maintenance and management personnel can remotely access the intelligent monitoring and diagnosis system to obtain the real-time operation state of the equipment; the application module carries out remote data analysis and fault diagnosis on all monitoring equipment and remotely monitors equipment operation signal data, the data can be connected with a large screen, and the current state and statistical information of the equipment are displayed in real time. According to the embodiment of the invention, the consumption of spare parts and the maintenance workload can be reduced, the maintenance cost is minimized, and the production efficiency is improved.

The invention provides a user information out-of-band management method and device, server equipment and a storage medium, and relates to the technical field of server management.The method comprises the steps that under the condition that a target service is called, a target service request corresponding to the target service is determined; the target service is used for representing the type of the called service; sending the target service request to a BMC system based on a KCS channel in the daemon process; the BMC system is in communication connection with the server system through a KCS channel, and user information corresponding to the server system is stored in the BMC system; and receiving target user information corresponding to the target service request fed back by the BMC system. The maintenance workload can be reduced, the maintenance operation is simplified, the operation and maintenance difficulty is reduced, and the maintenance efficiency is improved.

The utility model relates to the technical field of electrical equipment, and discloses an electrical equipment shielded wire grounding device, which comprises an outer shell, a mounting plate is fixedly connected in the outer shell, a positioning cylinder is fixedly connected on the outer wall of the mounting plate, a screw rod is in threaded connection in the mounting plate, one end of the screw rod is fixedly connected with a handle, and the other end of the screw rod is fixedly connected with the positioning cylinder. And the other end of the screw rod is rotationally connected with a rotating block, the outer wall of the rotating block is fixedly connected with a pushing block, the outer wall of the pushing block is slidably connected to the inner wall of the positioning cylinder, the interior of the positioning cylinder is slidably connected with a clamping block, and the outer wall of the clamping block is fixedly connected with a telescopic rod. According to the shielding wire grounding device, the handle is firstly driven to drive the screw rod to rotate in the mounting plate, so that the problem that the design of the shielding wire grounding device is too complicated is solved, and the effects that the shielding wire can be quickly mounted or replaced, and the maintenance time and the workload are reduced are achieved.

The invention relates to the technical field of coal mine gas sensor calibration, in particular to an automatic coal mine gas sensor calibration device and a gas mixing method.The automatic coal mine gas sensor calibration device comprises a zero gas assembly which comprises a zero gas cylinder and a zero gas pressure reducing valve connected with the zero gas cylinder; the standard gas assembly comprises a standard gas cylinder and a standard gas pressure reducing valve connected with the standard gas cylinder; the flow control assembly is connected with the zero gas pressure reducing valve and the standard gas pressure reducing valve so as to control the flow of the zero gas and the standard gas and enable the zero gas and the standard gas to be mixed according to a set proportion; the gas concentration sensor is connected with the flow control assembly so as to measure the actual gas concentration after the zero gas and the standard gas are mixed, and the actual gas concentration is fed back to the flow control assembly. Automatic gas mixing of zero gas and standard gas is achieved through the flow control assembly, gas concentration monitoring and feedback are conducted through the gas sensor, then gas with different specified concentrations needed by calibration is output, the number of sensors capable of being calibrated for single calibration operation underground is increased, and calibration compliance and accuracy are improved.

The utility model relates to a dust removal and denitration integrated device for a cement kiln. The dust removal and denitration integrated device comprises an integrated bin, and a rectifying device, a dust removal area and a denitration area which are arranged in the integrated bin, the integrated bin extends in the vertical direction and is sequentially provided with a flue gas outlet, a flue gas inlet and an ash discharging opening from top to bottom, and the rectifying device is close to the flue gas inlet. The dust removal area is arranged above the dust discharge port and provided with a dust collection electrode and a corona electrode, the dust collection electrode comprises an anode frame and an anode plate, and the anode plate is in a long-strip-shaped plate shape and can shake under the action of airflow to conduct self-dust removal. The corona electrode comprises a cathode frame and a cathode wire. The denitration area is arranged above the dust removal area, the denitration area is provided with a plurality of catalyst layers and an ash removal device, the catalyst layers are arranged up and down at intervals, and the ash removal device is used for removing ash on the bottom surface of a denitration catalyst. The dust removal and denitration functions of flue gas are integrated in the integrated bin, the needed occupied area is small, the dust removal area and the denitration area do not need to be connected through an elbow, the internal flow field is smoother, and the system operation resistance is smaller.

The invention relates to the technical field of skid-mounted filtering and separating devices, in particular to a skid-mounted filtering and separating integrated device which comprises a gravity separator, a filtering separator and a produced liquid buffer tank. The device further comprises an electric telescopic rod, the electric telescopic rod is installed at the top end of the filter separator, the output end of the gravity separator is connected with the filter separator, the output end of the filter separator is connected with a produced liquid buffer tank, the telescopic end of the electric telescopic rod is connected with a movable frame, and the movable frame is movably connected into the filter separator. A liquid distribution pipe is arranged between the movable frames, a cleaning nozzle is arranged at the rear end of the liquid distribution pipe, two groups of filter frames are arranged at the rear end in the filter separator, and filter screens are arranged in the filter frames; two-stage separation is achieved, the density difference of a gas phase, a solid phase and a liquid phase is fully utilized, the replacement frequency of a filter element can be reduced, the operation cost is reduced, solid-liquid impurities in feed gas are efficiently removed, and the influence of the feed gas on operation of a compressor is reduced.

The utility model relates to the technical field of hard engineering plastic bell jar type insulators, and discloses a hard engineering plastic bell jar type insulator, which comprises a structural iron cap, an insulator is sleeved in the structural iron cap, and a steel foot is sleeved in the insulator. According to the hard engineering plastic bell-jar-shaped insulator, through the arrangement of the structural iron cap, the steel foot and the insulator, engineering plastic, the iron cap and the steel foot are subjected to injection molding to form an integrated structure by a special mold through an injection molding machine. The insulator with the structure is high in insulator strength, light in weight and excellent in electrical performance, avoids the problems of zero value of a traditional porcelain insulator and spontaneous explosion of a glass insulator, and greatly reduces the maintenance workload. The problems that an iron cap and a steel foot are bound into a whole through a cement adhesive in the prior art, maintenance in a water pool is needed, the process is tedious, and the yield is low are solved, the one-time forming process is simple, the yield is high, the weight is light, and the iron cap is an ideal upgraded product and has good application and popularization prospects.

The invention relates to the technical field of motor body components, in particular to an oil-cooling three-in-one motor shell which comprises an outer protective shell, an inner assembly pipe is movably mounted in the outer protective shell, limiting end covers are fixedly mounted at the top and the bottom of the inner assembly pipe, inner positioning pipes are fixedly mounted in the limiting end covers, and a plurality of stators are movably mounted in the inner positioning pipes. The movable end covers are arranged above and below the structure formed by the inner assembly pipe and the limiting end cover, the movable end covers are movably clamped in the outer protection shell, cooling oil passing through the one-way valve flows back into the side oil guide pipe, circulation of the cooling oil is achieved, heat is taken away, only part of the cooling oil in the motor shell is needed in the using mode, and therefore the cooling oil can be recycled. When the part of the cooling oil cannot be used, the part of the cooling oil is replaced, and the purchasing of the cooling oil usually needs certain expenditure. The purchase cost can be directly reduced by reducing the using amount of the cooling oil, and the cooling oil needs to be replaced and maintained regularly in the using process, so that certain cost is generated.