503results about How to "Improve maintenance quality" patented technology

A method of forming a composite door is disclosed. The method comprises: mixing together a thermoplastic polymer with an organic fibrous material in a ratio such that the organic fibrous material constitutes 40 to 60 percent by weight of the mixture; extruding the mixture under heat and pressure to create a thin sheet form; cutting the sheet to a predetermined size; removing material from at least one surface of the sheet to create a homogeneous appearance devoid of obvious fibrous particles; thermoforming the sheet to impart to the at least one surface an exterior three dimensional door surface to create a thin door facing; and assembling two of the thermoformed thin door facings, a peripheral frame and a core material into a door.

The invention provides a high-voltage overhead conductor test system, and belongs to the field of power system test. The system comprises an unmanned aerial vehicle, and a clamping device and a flaw detection device are arranged at the bottom of the unmanned aerial vehicle. The clamping device comprises clamp pieces, a slider, a first motor, a cable scanner, a single chip microcomputer, a transversely-arranged first screw, and an installation base. The clamp pieces include a first clamp piece and a second clamp piece. The first screw has a forward threaded section and a reverse threaded section. After the cable scanner scans a conductor, the single chip microcomputer makes the first motor drive the first screw to rotate and further drive the first clamp piece and the second clamp piece to be close to each other to clamp and limit the conductor, and then the flaw detector starts working. When the flaw detector detects a fault, a paint pen is driven by a second screw to paint a mark near a faulty conductor to facilitate follow-up maintenance. Through the technical scheme, the maintenance efficiency and quality of overhead conductors can be improved greatly.

The invention provides an intelligent patrol safety helmet for a transformer substation. The safety helmet comprises a shell and a functional unit, wherein the shell is prepared from modified polypropylene plastic, ultra-high molecular weight polyethylene plastic or polycarbonate plastic; the functional unit comprises a power frequency electric field sensor, a power frequency magnetic field sensor, a thermal infrared imager, an acceleration sensor, a UWB positioning unit, a signal processing and power supply unit, an LED lighting lamp, a display unit, a sound-light alarm unit and a communication unit. The invention provides an intelligent wearing article for transformer substation intelligentization, automation and safety patrol, guarantee is provided for life safety, the safety patrol means of transformer substation equipment is improved, the maintenance quality and the maintenance efficiency of the transformer substation are improved, and convenience is provided for transformer substation maintenance.

The invention provides an integrated design system for a rail transit vehicle inspection and maintenance system, which can complete inspection and maintenance work more efficiently and economically. The integrated design system comprises the following management methods that: (1) a same information radio frequency card is respectively arranged on each workpiece, automatically records the inspection and maintenance workpiece information into a management information system, automatically analyzes the inspection and maintenance content and workpiece inspection and maintenance states through combining with historic files to obtain a reasonable inspection and maintenance conclusion, so that the inspection and maintenance work of a whole workshop can be orderly carried out; (2) a safety joint control device is arranged in a management system and enables the whole workpiece operation process not to be influenced by the next workpiece, i.e., equipment of previous and next working stations is subjected to networking control, a next working station cannot normally enter without completing the previous working station work, so that the personnel, the workpieces and the equipment are enabled to be safe during the operation process; and (3) a data file of the workpiece inspection and maintenance information is built, each time of inspection and maintenance data is subjected to statistics and analysis, the workpiece inspection and maintenance trend data is calculated, and service life management and inventory management of workpiece inspection, maintenance and change are provided.

The invention discloses a method for forecasting the water saving irrigation of a lawn. The method comprises the following steps of: dividing rotational irrigation regions of the lawn, measuring the soil moisture content at several points in the same region and taking an average value as an actually-measured soil moisture content; determining the soil type and the lawn type, calling the calibration coefficient of the soil moisture content and the water demand coefficient for the growing of the lawn from a database; calculating whether the lawn is needed to irrigate according to the actually-measured soil moisture content and a lawn water saving irrigation decision forecasting model, if needed, determining the amount of irrigation water and the irrigation time. The method for forecasting the water saving irrigation of the lawn and the system thereof can assist lawn maintenance skilled workers and administrators to draw up a proper irrigation system to a large extent, the research result of the lawn irrigation is converted into the production practice of the lawn irrigation, thereby improving the quality of law maintenance, achieving the purpose of water saving irrigation and improving the utilization rate of water resources.

The invention discloses a construction technique for ultralow-temperature high-property concrete for railway construction in frigid areas. The construction technique comprises the steps as follows: A, mixing ultralow-temperature high-property concrete: gelled materials, sand, crushed stone, an efficient water reducing agent, compound antifreeze and water are evenly mixed to obtain the ultralow-temperature high-property concrete; the gelled materials are made by evenly mixing cement and mineral admixtures in the weight ratio of (88-78):(12-22); the weight ratio of the compound antifreeze to the mineral admixtures is (3-6):100; the compound antifreeze comprises 30 to 35 wt% of nitrate, 30 to 33 wt% of organic compound, 0.5 to 1wt% of calcium formate, and water as the rest; the nitrate is calcium nitrate or calcium nitrite; and the organic compound is methanol or alcohol; B, pouring the ultralow-temperature high-property concrete; and C, curing the ultralow-temperature high-property concrete. The construction technique has the advantages of reasonable design, simplicity in construction steps, convenience in operation, fast construction progress, low construction cost, and good structural quality of concrete used in construction.

A sleeper-type dynamic failure detector for train features that multipole sets of CCD camera and lighting unit, vibration damper, protecting gate, cleaning unit, drive unit, insulating unit, electric unit and connecting lines are installed in a sleeper-type wooden box under rails for automatically taking the images of hook buffer, pneumatic brake, chassis, steering unit and the both sides of carriage, and the taken images are transmitted to detection center for analysis.

The invention discloses a bogie overhauling system and method. The bogie overhauling system comprises a bogie decomposing line, a swing bolster side frame overhauling line, a cross rod overhauling line, an adapter overhauling line, a brake beam overhauling line and a bogie completion assembly line which are arranged independently, wherein the bogie decomposing line is used for disassembling a bogie to obtain a swing bolster side frame assembly, a cross rod assembly, an adapter assembly and a brake beam assembly and transmitting all the assemblies to the corresponding overhauling lines through a manipulator; the bogie completion assembly line is used for assembling the overhauled swing bolster side frame assembly, cross rod assembly, adapter assembly and brake beam assembly to obtain an overhauled bogie; and the swing bolster side frame overhauling line, the cross rod overhauling line, the adapter overhauling line and the brake beam overhauling line are all automatic transmission flow lines. With the technical scheme provided by the invention, overhauling on the bogie can be realized and the overhauling efficiency and quality of the bogie can be effectively improved.

A bidirectional pre-tensioned track board long surface pedestal production line comprises two symmetrically arranged production zones. Steel models are arranged in the production zones. Horizontal tensioning end beams and longitudinal tensioning end beams are respectively arranged on four edges of every production zone. A horizontal tensioning mechanism is arranged between the adjacent edges of the two production zones. Longitudinal tensioning mechanisms are respectively arranged on one lateral edge or two lateral edges of the two production zones. The horizontal tensioning mechanism comprises a horizontal tensioning jack. The two ends of the horizontal tensioning jack are respectively provided with horizontal tensioning small end beams. The horizontal tensioning small end beams on the two ends are respectively connected with the end beams on the adjacent edge of the other production zone in a transmitting way. The longitudinal tensioning mechanism comprises a longitudinal tensioning jack. A longitudinal tensioning small end beam is arranged on the external end of the longitudinal tensioning jack. The longitudinal tensioning small end beam is connected with the end beam on the adjacent edge of the production zone in transmitting way. The bidirectional pre-tensioned track board long surface pedestal production line greatly lowers the production cost and improves the production efficiency.

The invention discloses an electronic elevator maintenance supervision and management system based on dynamic two-dimensional codes. The electronic elevator maintenance supervision and management system comprises an electronic elevator maintenance supervision and management server, an intelligent display device arranged in an elevator cage and a maintenance collection device carried by an elevator maintainer. According to the electronic elevator maintenance supervision and management system based on the dynamic two-dimensional codes, the elevator maintainer cannot finish the elevator maintenance operation by a cheating method, so that the elevator maintenance quality is improved, the elevator operation safety is guaranteed, and the elevator operation safety accidents are reduced. The invention also provides an electronic elevator maintenance supervision and management method based on the dynamic two-dimensional codes.

The invention discloses an integrated information platform system based on an intelligent hydraulic power plant. The integrated information platform system comprises a centralized control center, a transmission network, a plurality of intelligent hydraulic power plant systems, a water regimen subsystem and a weather subsystem. Each intelligent hydraulic power plant system comprises an intelligent regulation device and a front end collection sensor, the front end collection sensors are used for collecting front end equipment information and are connected with the intelligent regulation devices through hydraulic power plant networks, and collected data are stored into a database. The intelligent regulation devices are used for regulating equipment and control systems according to the internal data of the system. The intelligent hydraulic power plant systems transmit data to the centralized control center through the transmission network. The water regimen subsystem and the weather subsystem are connected with the centralized control center through a communication network and used for providing water regimen and weather information. The integrated information platform system based on the intelligent hydraulic power plant has the advantages that a plurality of independent automation subsystems are connected to form a real-time organic and unified whole, the intelligent construction of the hydraulic power plant can be better promoted, and the informatization and the intelligence of the hydraulic power plant are achieved.

The invention discloses an adaptation method for an android terminal device system setting interface. The adaptation method includes the steps: firstly, binding a Service through a Bind Service by a client, acquiring a device system setting interface instance object and transmitting request data to the Service through a Proxy service; secondly, acquiring Proxy request data through an on Transact of a Binder by the Service; thirdly, calling corresponding function interfaces of the Service through a Stud internal abstract class according to the request data package results; fourthly, returning function interface calling results by the Service, judging whether information meets requirements or not, finishing flow if meeting the requirements, and executing corresponding strategies according to preset strategies if partially meeting the requirements; fifthly, returning request information processing results of the client by the Service, responding to information by the client, and finishing the processing flow. Streaming device upper layer control modules in existing android system settings are unified, and the performance and the expandability of IPTV+OTT (internet protocol television over-the-top) business settings are enhanced.

The invention discloses an automatic spray maintenance device for concrete pavement used in bridge construction, which comprises a pavement foundation and a mounting seat installed on the pavement foundation. The middle part of the guide wheel is connected with the traction shaft, the right end of the traction shaft is connected with the drawbar, the upper end of the right mounting seat is connected with the right guide rail, the upper end of the right guide rail is connected with the right guide wheel, the middle part of the right guide wheel is connected with the driven shaft, and the left end of the driven shaft is connected with the There is a driven wheel, the upper end of the driven wheel is connected to the driving wheel through a chain, the right end of the driving wheel is connected to the driving shaft, the right end of the driving shaft is connected to the traction motor, a connecting plate is installed between the traction rod and the left fixed frame, and a storage battery is installed on the upper end of the connecting plate. water tank. The present invention realizes the automatic spray maintenance of the bridge concrete pavement, increases the maintenance quality of the pavement, avoids manual sprinkler spraying at the same time, reduces the labor intensity of the staff, and realizes the automatic spraying of the pavement with low cost. .

The invention provides an integration method of a wheel pair disassembling and maintaining system for a rail locomotive. By adopting the integration method of the wheel pair disassembling and maintaining system for the rail locomotive, wheel pairs of a motor train unit can be effectively disassembled to be maintained, the problems in the conventional maintenance modes can be solved, the problem of the compatibility of locomotives of types CRH1, CRH2, CRH3 and CRH5 in maintenance can be solved, and the maintaining quality, efficiency and cost of the wheel pairs of the motor train unit can be effectively improved. The integration method of the wheel pair disassembling and maintaining system for the rail locomotive adopts a control system, and a coupling disassembling system, a bearing withdrawing system, a receiving inspection system, a gear box oil discharge system, a gear box oil washing system, a shaft end nut disassembling system, a bearing withdrawing system, a wheel pair coating separating system, a wheel shaft cleaning and grinding system, a hollow shaft flaw detection system, a wheel flaw detection system, a wheel pair gear flaw detection system and a wheel pair magnetic powder cleaning system, which are respectively connected with the control system.

The invention relates to a disassembling tool table for disassembling an engine brake. The disassembling tool table comprises an upper fixed working table plate, a lower fixed base, jacks, an electric pressure testing pump, a shunt and a hydraulic pipeline, wherein the four jacks are arranged between the upper fixed working table plate and the lower fixed base; a quick coupling is arranged at the lower end of one side of each jack; the four corners of the lower fixed seat are respectively provided with a horizontal adjusting bolt; the electric pressure testing pump is communicated with the shunt by a pipeline; the pipeline is provided with a throttle valve; the hydraulic pipeline is arranged at one side of the shunt; and the hydraulic pipeline is connected with the quick couplings. The disassembling tool table is simple in structure, convenient to assemble and disassemble and safe and reliable to use, and can be used for replacing and maintaining faulty components in a narrow space without maintenance condition, so that the overhauling work load is greatly saved, the faulty components can be maintained in time, the overhauling quality of a maintainer can be improved, and the safe and stable running of a unit can be greatly improved.

The invention discloses a comprehensive state evaluation theory method for new intelligent station relay protection equipment. The method comprises steps: a protection device is adopted as a monitoring platform for the device itself, the protection device is self detected, first parameters of the protection device and second parameters of a secondary circuit are acquired, and the first parametersand the second parameters are transmitted to a signal processing system, wherein the secondary circuit is used for monitoring the circuit where the device and the protection device are connected; andbased on the first parameters and the second parameters, state evaluation is carried out: an evaluation component and a scoring principle for the whole device are set, and the equipment in the relay protection device or an interval operation condition can be evaluated. When the method of the invention is applied, an intelligent closed loop management process of intelligent acquisition, risk earlywarning, state evaluation, maintenance strategy and measure management for state maintenance of the substation relay protection equipment can be realized, and the purposes of safe and reliable equipment operation and economic and reasonable maintenance can be achieved.

The invention relates to a process method for overhauling a main bearing hole of a diesel engine cylinder block. The half surface of a main bearing cap of the cylinder block is ground 0.3 to 0.5mm by a grinder, and the half surface with serious deformation is ground 0.6 to 0.8mm; the main bearing cap is provided with the cylinder block, a main bearing bolt is fastened, and the main bearing hole of the cylinder block is processed by a numerical control floor type borer; and centers of a first hole and a last hole are aligned on a main bearing pedestal semicircle of the first hole and the last hole of the main bearing hole of the cylinder block by a dial gauge, the cylinder block is fixed after the alignment, and a boring machine is adjusted to the center of the main bearing pedestal semicircle, so that the boring machine is moved 0.1mm toward the direction of a main bearing pedestal to the utmost. The overhauling process method can obviously improve the coaxiality of the main bearing hole of the cylinder block and the overhauling quality of bores, and reduces the operation trouble of a diesel engine. For the cylinder block of which the main bearing hole is seriously deformed, the overhauling process method can avoid scrapping the cylinder block, prolongs the service life of the cylinder block, and has obvious economic benefit.

The invention discloses a method for repairing and constructing a thin overlay of a cement concrete road pavement. The method comprises the following steps: 1) mechanically cutting parallel V-shaped grooves on a used cement concrete pavement; 2) cleaning dirt reserved on the surface of the pavement and positions to be dropped after the V-shaped grooves are cut mechanically; 3) coating or spraying a pre-coating agent on the used cement concrete pavement processed by the step 1) and the step 2) so as to form a pre-coating layer; 4) drying the surface of the pre-coating layer, and then coating a mortar binding agent on the surface of the pre-coating layer to form a mortar binding layer; and 5) casting a new cement concrete overlay layer after the surface of the mortar binding layer is dried and before cement in the mortar binding layer is subjected to initial setting. According to the method, the binding strength between the used cement concrete pavement and the newly casted cement concrete shield layer is improved obviously, the new and old cement concrete pavements can be adhered into a whole, the maintaining quality of the cement concrete pavement is improved greatly, and the continual service life of the cement concrete pavement is prolonged greatly.

The invention provides an electrothermal heating maintenance device inside concrete, wherein a heating resistance wire is bundled on the structural reinforcing steel bar inside concrete of buildings in construction, the heating resistance wire is connected with a power supply via a low-voltage power supply cable outside the concrete, a lifting protective frame comprises a frame body and a safety net attached to the frame body, the frame body is formed by cross connection of a vertical main keel with transverse sub-keels, the left side and the right side of the frame body are connected with vertical edge steel tubes, the vertical main keel is connected with the floor of building via a wall-attached hanging part, the frame body is a steel-wood structure, the top of the vertical main keel is provided with H-shaped steel provided with lifting holes, and the vertical main keel is also used as vertical guide rail. By using the manner of internal heating, the device has high heat efficiency and low thermal loss, and can save a great deal of energy; the heating speed of concrete can be reliably guaranteed, and the temperature is easily controlled; the maintenance conditions of concrete are good, and the construction quality can be guaranteed; the early strength of concrete is high, thereby creating favorable conditions for continuous upper construction and shortening the construction period.

The invention relates to a long surface pedestal production line for a two-way pre-tensioned pre-stressed concrete track slab. The long surface pedestal production line is characterized by comprising one or more production units; each production unit comprises four production areas which are symmetrically arranged; each production area is internally provided with a steel model for producing the track slab; the four sides of each production area are respectively provided with a transverse tensioning end beam and a transverse fixing end beam as well as a longitudinal tensioning end beam and a longitudinal fixing end beam for fixing steel wires; and a transverse tensioning mechanism or longitudinal tensioning mechanism corresponding to the position of the steel model is arranged between the adjacent sides of each production area. According to the long surface pedestal production line for the two-way pre-tensioned pre-stressed concrete track slab disclosed by the invention, in each production unit, not more than six steel models can be arranged transversely through central symmetry, and more than two steel models can be arranged longitudinally; and in operation, the tensioning mechanism in the middle can be respectively used to finish tensioning operation for one time, so that cost can be greatly saved, production efficiency can be improved, and volume production can be easily performed.

The invention discloses an integrated power grid resource and a construction and maintenance method, and aims at constructing the integrated power grid model capable of covering the sources of different types, fusing each specialty range and supporting different time span, and a standard maintenance process for the generation, transmission, transformation, distribution and until reaching the power network at the user side, as well as achieving seamless connection of the main network and the secondary network and the integrated management of graphs and standing books. The integrated power grid resource model comprises a device electric nameplate, a device standing book and device graph information; the association of the device standing book and the device graph information can be achieved through the device electric nameplate. The integrated power grid resource model meets the large trend of longitudinal interacting and transverse fusion of various data of a power enterprise using the power grid resource model as the core; the general problem of accumulation deposition on global information share of the power enterprise can be solved; the bottleneck which resists the further constructing and developing of a firm intelligent power grid is removed.

The invention provides a railway vehicle inspection and maintenance assisting robot which comprises a robot body, an action executing device, traveling devices, an image acquisition system, a controlsystem, an image processing system, a video surveillance device, a positioning system, a power supply device, a monitoring system, an internal temperature-humidity control device and a traveling railway, wherein the traveling devices are arranged on two sides of the lower part or the top of the robot body, matched with the traveling railway, and limited to the traveling railway, and capable of moving along the traveling railway; the action executing device comprises a lifting device, a translation device and a multi-degree-of-freedom mechanical arm which are connected in sequence; the image acquisition system is arranged at the end part of the multi-degree-of-freedom mechanical arm; the image processing system is used for analyzing acquired images; the control system and the internal temperature-humidity control device are arranged in the robot body; the control system is used for controlling all parts of the railway vehicle inspection and maintenance assisting robot; the power supplydevice is used for supplying power to the railway vehicle inspection and maintenance assisting robot; the monitoring system is used for acquiring own information and feeding back the acquired own information to the control system; and the traveling device and the positioning system are matched for positioning.

The invention discloses an intelligent control method for steam curing of cement concrete. The method comprises a first mode and a second mode which are suitable for concrete curing in warm southern regions in winter and standard concrete steam curing in cold northern regions respectively. The invention further discloses intelligent control equipment for steam curing of the cement concrete. The intelligent control equipment comprises a main machine and at least one auxiliary machine, wherein each of the main machine and the at least one auxiliary machine comprises a steam generator, a steam generator control panel, a safety valve, a steam solenoid valve and a power distribution system, a steam outlet pipe of the steam generator is connected with the safety valve and the steam solenoid valve, an outlet of the steam solenoid valve is connected with a curing shed cover through a steam pipe, and a wireless temperature and humidity sensor is arranged in the curing shed cover; the main machine further comprises a human-computer interaction interface, a central control unit, a wireless temperature and humidity sensor collection terminal and a wireless control switch transmitting terminal. The intelligent control method and equipment have the advantages that scientization, standardization and automation of a concrete steam curing process are realized, human factor influence is reduced, the curing quality is improved, and the service life of the concrete is prolonged.

The invention discloses an emergency control method and a system thereof for a hierarchical network management system, belonging to the technical field of information network management. The method comprise the following steps of: monitoring link state, specifically, performing break-make detection on a link of an upper-level network node by a virtual network management server; redirecting information, specifically, redirecting network management information of local and lower-level network devices to the virtual network management server when detecting that an upper-level link is blocked; recovering information redirection, specifically, redirecting the network management information of the local and lower-level network devices to a network management server while the virtual network management server detects that the upper-level link is recovered; and reporting the management information, specifically, uploading each piece of management information data generated during the period of link blocking to the network management server by the virtual network management server. The method and the system need no additional hardware device, and can deploy and carry out the emergency control at the nodes of each level in the whole network by simply setting a browser of a network management terminal, so that the implementation is simple.

An identification and repair support device for identifying vehicle components and for supporting a motor vehicle repair process, including an image signal receiver unit, an image processing unit, a memory unit, in which data sets are stored which, for at least one vehicle type, include data sets for a plurality of vehicle components, each data set for a vehicle component including respective relevant pieces of repair instruction information and / or pieces of repair instruction information assigned to respective different repair progress stages of this vehicle component, and an identification and data processing unit, which assigns the image data of the image signal received by the image signal receiver unit to the respective associated data set of the memory unit, and transmits the respective relevant pieces of repair instruction information for the vehicle component included in the data set and / or the pieces of repair instruction information to a display unit.

The invention discloses an online state maintenance intelligent decision analysis device used for a relay protection device, and a signal processing method and an application thereof, and belongs to the field of application of the information technology of power systems. The online state maintenance intelligent decision analysis device used for the relay protection device comprises a data acquisition unit, a data adapter, a storage unit, a state evaluation unit, a warming detection unit, a maintenance decision-making unit, a guide unit, a guide configuration interface unit, a controlling unit, a universal algorithm module, an arithmetic configuration interface unit and a WEB page presentation unit. After the attribute information of the quantity of state of the relay protection device is collected in real time, the maintenance decision analysis and the warning detection to various protection devices in the power network can be realized through the universal state evaluation algorithm model in the independent module.

The fire-arm ultrafine waxed-film anti-rust compound as weapon protective material comprises the wax film-forming material, the PTFE lubricating agent, the oil-soluble inhibitor and organic solvent, can form 2-5mu waxed film rapidly with well lubrication, has no greasiness, drain, and resistance to scratch and wet-heat, fit to shoot with oil and thereby meet the protective requests in exacting terms in desert, jungle and underwater, simplifies maintenance practices for weapon equipment to advance army response speed to burst accident, and can also fit to domestic use.

The invention discloses a method for detecting the oiliness of an automatic transmission based on atomic absorption spectrometry. The method comprises the following steps: measuring the content of major metal grains in the oil liquid of an automatic transmission of an automobile; establishing a database of the content of major metals in the oil liquid of the automatic transmission of the same automobile type at different miles of travel; and finding an internal law between the content of typical metals Fe, Cu and Cr in the oil liquid of the automatic transmission and the miles of travel of the automobile. Therefore, the method not only can be used for monitoring the wear conditions of major parts of the automatic transmission and forecasting the wear-out failure of the automatic transmission of the automobile in advance, but also can provide technical analysis for analyzing the failure of the automatic transmission of the automobile according to the content of the major metal grains in the oil liquid of the automatic transmission, thereby avoiding disassembly of an automatic transmission assembly and prolonging the service life of the automatic transmission of the automobile; and moreover, the method disclosed by the invention has simple requirements on equipment and high accuracy in detecting the content of major metal grains in the oil liquid of the automatic transmission, and simultaneously shows a good stability in application.

A damage detection and repair system is provided for performing a damage detection and repair preparation process, and includes an image-capturing device having at least one camera lens, a first positional sensor, and an orientation sensor. At least three second positional sensors are provided for the object to detect a corresponding three-dimensional (3D) position of the object relative to the image-capturing device. A location determination module determines a positional information of the damage of the object based on signals received from the first positional sensor, the orientation sensor, and the second positional sensors. A 3D generation module generates a 3D digital mockup model for illustrating the damage of the object and associated parts needed for repairing the damage.