431results about How to "Improve maintenance work efficiency" patented technology

This invention relates to one flexible network system to realize area management, which comprises the following parts: integral system servo, multiple network customer terminal, several network management servo and data communication network, wherein, the servo is set with integral flexible exchange network total device and data materials area control database list; the data list sets different management authorization for virtual cutting on different user account number and customer end to provide local network authorization and maintenance; the servo provides standard visit interface to operator integration system.

A counterweight (8) is attached to the rear side of a revolving frame (6), and an engine (9) is mounted in a transverse direction in front of the counterweight (8). A heat exchanger (12) is located on the left side of the engine (9), and a left-hand side door (17) is located on the left side of the heat exchanger (12). An air cleaner (24) is accommodated in an air cleaner chamber (19) which is provided in a space enclosed by the counterweight, left-hand side door and heat exchanger. In this state, a casing (25) of the air cleaner has an opening portion (25A) to permit insertion and extraction of a filter element (26). Thus, at the time of a maintenance work for the air cleaner, one can draw out the filter element from the opening portion of the casing simply by opening the left-hand side door.

A device maintenance apparatus includes a setting operator configured to allow for setting a test pattern, the test pattern being set to define a change of output signals output from a device over time, and an execution operator configured to make the device output the output signals based on the set test pattern.

The present invention relates to a component mounted to a device and provides a configuration recognizing system, etc. of a device to enable configuration information of the component to be comprehended regardless of electric connection between the component and the device. A configuration recognizing system of a device (electronic device 6, server apparatus 60) with one or a plurality of components (units 41, 42, 43 . . . 4N) mounted includes a displaying unit (tag 101, 102, 103 . . . 10N) that displays configuration information on the component and a recognizing unit (non-contact recognizing unit 12) that recognize the configuration information from the displaying unit of the component mounted to the inside of the case without contact.

An electrical circuit substrate, a first holding member holding the electrical circuit substrate, a head configured to discharge liquid, a flow path member having a flow path in which flows the liquid supplied to the head, and a second holding member holding the head and the flow path member are provided. The first holding member and the second holding member are detachably attached with each other.

The invention discloses a method for quick querying and locating of an optical cable link relation. The method is used for conducting quick querying of the optical cable link relation for an optical cable network system which comprises a machine room, a connection device and optical cables. The method comprises the steps that eleven data models aiming at the connection relation between optical cable fiber cores are established; actual testing is conducted on an actual optical cable network, attribute data of resources in the network and data of the topological relation between the resources are acquired and stored in database models established in the first step, and geographic data of the resources in the network are acquired; a link for formation of the connection relation between the optical cable fiber cores is established, and route analysis is conducted on the link. The established eleven data models can establish the route relation between the optical cables in the whole link on the basis of the direction of the fiber cores, and therefore the purpose that complete route analysis and resource locating are conducted on the fiber cores is achieved, fault removal personnel can be helped to conduct quick locating on faulted fiber cores, and the maintenance working efficiency is improved.

The invention relates to a method for correcting a phase sequence of a power line of a permanent magnet synchronous motor driver of an electric car. The permanent magnet synchronous motor driver inputs low currents in the fixed direction into a permanent magnet synchronous motor to enable the motor to rotate, the connecting phase sequence of the power lines of the driver and the motor is judged through the forward and reverse rotating direction of the motor, then a collected rotor electrical angle is corrected, and therefore the motor can operate normally. The connecting phase sequence of the power lines of the driver and the motor does not need to be known, and the connecting phase sequence can be judged automatically. When the connecting phase sequence is not correct, the power line does not need to be connected again. Therefore, in the development process of the three-phase permanent magnet synchronous motor driver of the electric car or the maintenance process of the electric car, technicists can connect the power lines of the driver and the motor freely, line connection, phase sequence testing and other complex work are reduced, development and maintenance work efficiency can be greatly improved, and the accident that the motor or a controller is burnt up due to phase sequence errors is effectively avoided.

The invention discloses a decision-making algorithm of wheel-set updating repair strategy of a railway vehicle under the condition of no wheel dropping, which comprises the following steps: (S10) adopting an economic decision-making algorithm of a single wheel-set to determine the optimal updating repair scheme of each wheel-set of a single carriage; (S20) respectively evaluating the safety of each bogie wheel with one bogie as a whole, and judging whether all the safety evaluation values are within the safety threshold value; (S30) judging whether the state makes the train safe according to the overall service performance requirement of the train compartment, and if so, determining the optimal updating and repairing scheme of all wheelsets of the single train compartment. As the car is taken as a whole and the wheelset is taken as a unit, the invention comprehensively designs and repairs strategy decision, from the viewpoint of economy and safety, this paper puts forward the principleof optimizing parameters of updating repair, and gives the optimal scheme of updating repair of wheelset by comparing and selecting updating repair template library, which can effectively solve the problem of human factors influencing decision, over-updating repair and parameter substandard after updating repair, so as to improve the efficiency of overhaul operation and save the maintenance costof wheelset.

The invention discloses a fan-shaped door mechanism and its driving mechanism. The fan-shaped door mechanism has a base, a fan-shaped door arranged on the base, a gear assembly and a fan-shaped door connecting rod assembly. The fan-shaped door includes an outer door, an inner door and connecting Assemblies, the inner door is movably nested with the outer door through the connecting assembly; the gear assembly includes the upper gear, the lower gear and the upper gear connection assembly, the upper gear is movably connected with the outer door through the upper gear connection assembly, and the upper gear and the lower gear are connected to each other. meshing; one end of the fan-shaped door connecting rod is connected with the upper gear, and the other end is connected with the inner leaf door, and the inner leaf door enters and exits in the outer leaf door under the action of the fan-shaped door connecting rod assembly. The invention has simple structure, easy assembly, high production efficiency, does not occupy space other than the swing rod, improves the overall aesthetics of the gate unit, and enables the movement to be used in various gates; maintains the structure of the swing rod root It is not damaged, which ensures the stability of the important part of the movement structure - the swing rod.

The embodiment of the invention discloses a compiling method and a compiling device and is used for compiling voice terminal platform (VTP) codes to make the VTP codes applicable to a new project by only slightly revising during application to the new project. The method provided by the embodiment of the invention comprises the following steps of: when the VTP codes of the new project are required to be compiled, building a project identity (ID) catalog for each new project; building a default configuration file for each new project, and storing the default configuration file into a compiling sub-catalog, wherein the default configuration file is used for controlling compiling source codes; newly building a link catalog according to the ID of the new project in the default configuration file; compiling in a compiling catalog according to the default configuration file in the ID catalog of the new project; and after compiling is completed, installing runnable programs which are generated by compiling and configuration files which are required by the programs in a file system in a platform system.

The invention provides a laser imaging SF6 leakage positioning device, including a power unit, a laser which is connected with the power unit and is supplied by the power unit, first germanium lens which is arranged before the laser to make the laser pass through, an infrared imaging device which is connected with the power unit and is supplied by the power unit, second germanium lens which is arranged on the front end of the infrared imaging device and makes reflected or backscattered laser pass through the second germanium lens and go into the infrared imaging device, a main processing unit which is connected with the output part of the infrared imaging device and judges the leakage position of SF6 according to the electric image signals output by the output part of the infrared imaging device and a display which is connected with the output part of the main processing unit to display output results. The device can make SF6 leakage air which can not be observed under normal condition visible and clear in standard video display. Detection personnel can fast make sure SF6 sir leakage source through an intuitive image in the display.

Provided is a centrally-installed switchgear intelligent maintenance dolly. The back side of a chassis of the dolly is provided with a support frame; the support frame is provided with a lifting mechanism; the lifting mechanism drives a load-bearing tray to rise or fall; the load-bearing tray is provided with a horizontal adjustment bench; the horizontal adjustment bench is provided with a bearing bench; the bearing bench comprises a bearing platform; a pair of bearing guide rails are fixedly arranged on the bearing platform; each pair of bearing guide rails are connected with slide guide rails; top frame guide rails in front and back direction are arranged on the bearing platform and at the outer sides of the bearing guide rails respectively; the two top frame guide rails are connected with a master slide base and a slave slide base in a movable fit manner respectively; a top frame is fixedly arranged between the master slide base and the slave slide base; the top frame is provided with two grabbing devices; each grabbing device comprises a grabbing rack and a grabbing hand; and the two grabbing racks are respectively and fixedly provided with a visual sensor. The centrally-installed switchgear intelligent maintenance dolly is suitable for being controlled by a computer, is high in automation degree, can save both time and labor, can transfer a circuit breaker in a centrally-installed switchgear to the bearing platform of the dolly safely and reliably, can be suitable for the centrally-installed switchgears of different models and specifications, and is high in adaptability.

A plasma processing apparatus has a vacuum container having a processing chamber in which a wafer is processed by plasma and at least one member constituting the vacuum container movable and detachable in a horizontal direction with respect to a base plate. The plasma processing apparatus includes a lifter arranged at a side of the vacuum container across the vacuum container on the base plate, coupled to an end portion on the opposite side of a vacuum transfer chamber on which the wafer is transferred in a decompressed interior, and having a vertical shaft to move the detachable member vertically. The lifter includes: a coupling portion coupled to the vertical shaft and the detachable member and moved along the vertical shaft; and a turning shaft being a joint portion arranged at the coupling portion and having a vertical rotational shaft, the detachable member being horizontally turned around the turning shaft.

The invention discloses a power transmission line monitoring device metering system in a field environment. The system includes an excitation module, a vibration test module, a test interface module and a vibration control instrument; the excitation module is used for providing a vibration source for an on-line monitoring device; the vibration test module is used for detecting parameters of vibration of the on-line monitoring device excited by the vibration source; and the test interface transmits measured data to the vibration control instrument for data processing. The power transmission line monitoring device metering system in the field environment provided by the invention can enhance quality control of power transmission line breeze vibration on-line monitoring device in a lab environment, pushes reliable and effective development of state maintenance, improves a capability of technical control of state maintenance measurement equipment, enhances supervision of accuracy and reliability of the measured data of the power transmission line breeze vibration on-line monitoring device, effectively improves accident pre-judging and troubleshooting capability, and improves the safety production level and maintenance work efficiency.

The invention discloses a method for automatically controlling bottom blowing modes of a combined blown converter. According to the control method, bottom blowing operation is controlled according to a metal adding stage, a blowing stage, a deslagging stage, a point blow-off stage, a temperature measurement sampling stage, a waiting stage, a steel tapping stage and a slag splashing stage; according to different steel varieties and the end point carbon content range, bottom blowing air source varieties, air supply strength and blowing time in bottom blowing operation of each stage are adjusted to obtain a corresponding bottom blowing mode, control buttons corresponding to different bottom blowing modes are arranged on a control system operating interface, and the bottom blowing modes are selected by clicking on the control buttons. By adding of automatic design and application of an air supply pressure mode at each stage and each reaction period in the blowing process, dynamical conditions of an existing converter molten pool are improved effectively, uniformity of ingredients of a converter end point molten pool and temperature stability are improved, the number of after-blow furnaces is reduced, the blow loss is reduced, the added amount of magnesium material for converter protection is reduced, and the refractory cost is reduced.

The invention discloses an SF6 insulation direct-current casing pipe fault diagnosis system, which comprises a preventive testing instrument, an on-line monitoring device, a fault diagnosis backstage and a communication device. The invention also discloses a diagnosis method based on the system. The method comprises the following steps: (1) extracting characteristic quantity of fault diagnosis of an SF6 insulation direct-current casing pipe; (2) establishing a diagnosis vector of the SF6 insulation direct-current casing pipe fault diagnosis system; (3) establishing a fault type incidence matrix of the SF6 insulation direct-current casing pipe fault diagnosis system; and (4) carrying out the fault diagnosis with the SF6 insulation direct-current casing pipe fault diagnosis system. With the adoption of the SF6 insulation direct-current casing pipe fault diagnosis system and the SF6 insulation direct-current casing pipe fault method, comprehensive and systematic fault diagnosis of the SF6 insulation direct-current casing pipe is carried out based on preventive testing data and on-line monitoring device data; and meanwhile, the condition that the fault diagnosis is carried out only aiming at preventive testing or on-line monitoring data at present is broken through, so that the overhaul ability of a direct-current system is improved.

The invention discloses a coal mine hoist simulation training device, comprising a master console and a simulation lifting unit. The master console comprises a touch screen, a master controller PLC, a monitor PLC, a current detection module, a current-limiting module, an adjustable brake module, a voice warning module, a relay board, a meter and an indicator light. The master controller PLC is connected with the monitor PLC via a communication module, and is connected with the current detection module, the current-limiting module, the adjustable brake module, the voice warning module, the relay board, the meter and the indicator light. The simulation lifting unit comprises a lifting frame, a driving part, a guide rail, a lifting container, a switch and a signal light. The coal mine hoist simulation training device of the invention greatly enhances pertinence and effectiveness of training coal-mine electromechanical technicians, increases the operation level and the efficiency of maintenance work, shortens the time for fault handling, achieves significant economic and social benefits, and has good market prospect.