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

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 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.

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 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 belongs to the monitoring field and relates to a message reverse push method, a network management system alarm method and a state update method. The message reverse push method, the network management system alarm method and the state update method of the invention are put forward based on problems existing in the prior art. According to the message reverse push method, a flex plug-in in a browser establishes a socket connection with a server end, so that the server can reversely push a message to the browser, and push message concurrent processing performance can be improved. According to the message reverse push method of the invention, the flex plug-in in the browser client sends a socket connection request to the server according to an access authority described in a security policy file returned by the server; after receiving the connection request of the client, the server establishes a socket connection with the client; after receiving an update message, the server pushes the update message to the browser client; the browser client performs message analysis through a message analysis module; business message data obtained after analysis completes the rendering of a page effect through a callback module.

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 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 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 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.

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.