420results about How to "Improve maintenance efficiency" patented technology

A multi-word line refresh-type semiconductor device may have a plurality of memory banks and performs a refresh operation simultaneously with respect to a plurality of word lines for each of the banks in a self-refresh mode. The semiconductor device includes an address controller for receiving a normal address and a refresh address and selectively outputting the received refresh address in a refresh mode, a fuse circuit for receiving the refresh address, determining whether the received refresh address corresponds to a word line to be repaired and outputting a redundancy word line enable signal and a first control signal according to a result of the determination, a first signal generator for, in response to a bit value for block selection of the refresh address and the first control signal, outputting a second control signal which defines a multi-word line refresh period, a refresh address generator for generating the refresh address in response to the second control signal, and a row controller for receiving the refresh address, second control signal and redundancy word line enable signal and controlling the refresh operation with respect to a memory core.

The invention relates to a connecting suspender for a wall decoration panel and an installation method for the wall decoration panel. The suspender comprises a wall fixing unit, a decoration panel fixing unit and an adjustment flexible connecting unit, wherein the wall fixing unit is fixedly connected with the wall; the decoration panel fixing unit is fixedly connected with the wall decoration panel; the adjustment flexible connecting unit is movably connected between the wall fixing unit and the decoration panel fixing unit; the transverse distance between the wall and the wall panel can be adjusted, and the connecting and non-connecting status between the wall and the wall decoration panel can be determined through the adjustable flexible connecting unit; the adjustment flexible connecting unit comprises a position adjusting unit and a flexible connecting part; in the construction process, the constructer can conveniently suspend the wall decoration panel on the wall body by regulating the transverse distance between the wall and the wall decoration panel, and the connecting manner between the flexible connecting part and the decoration panel fixing unit by the position regulating part.

The invention provides an inertial navigation measurement method for a pipeline center line of a buried pipeline. An inertial navigation detection positioner is adopted for measurement, and is composed of a mobile carrier unit, an inertial measurement unit, an odometer wheel, a data storage unit, a data downloading and processing unit, a speed control unit, and a ground tracking positioning and power management unit. The method comprises the procedures: firstly setting parameters of a detection device; combining with a GPS system to complete initial coordinate setting; carrying out self-inspection of the device, and returning to zero; if being not completed, going back to set the parameters of the detection device; if being completed, mounting an inertial navigation system on a detector or other carriers; detecting and carrying out real-time data acquisition; completing the detection; calibrating a terminal position by the GPS system; downloading data, carrying out post treatment, and resolving center line data; carrying out error correction, and completing drawing of coordinates; and ending. The method can accurately draw out the three-dimensional coordinates, moving directions and displacement of the pipeline center line and even pipeline deformation.

The invention is suitable for the technical field of track traffic and provides a monitoring method and terminal device of a track circuit device. The method includes the steps that operation data ofthe to-be-monitored track circuit device in each preset zone are obtained; according to the obtained operation data of each zone and pre-stored normal operation data of each zone, when a fault happensto the to-be-monitored track circuit device or not is judged; if the fault happens to the to-be-monitored track circuit device, the fault type and the fault position of the fault happening to the to-be-monitored track circuit device are confirmed according to the obtained operation data of each zone; according to the fault type, a fault reason and a maintenance method are obtained through matching in a preset fault diagnosis case base; and a monitoring report of the to-be-monitored track circuit device is generated according to the fault type, the fault position, the fault reason and the maintenance method. The operation fault can be found in time, and maintenance efficiency is improved.

The invention discloses a thermal-state lining repairing method for coke oven ascending pipes. The thermal-state lining repairing method includes: inspecting before spray repairing, choosing and cleaning an ascending pipe to be repaired and performing spray repairing. A spray repairing material for the thermal-state lining repairing method of the coke oven ascending pipes includes, by weight, 55-75% of flint clay (or synthetic mullite grains or high-aluminum bauxite), 10-25% of high-aluminum cement, 4-8% of expanding agent, 4-6% of soft clay powder, 5-10% of aluminum oxide micropowder and 0.3-1.0% of additive, wherein the expanding agent is kyanite, and the additive is naphthalene sulfonic-formaldehyde condensates. The thermal-state lining repairing method is fast and convenient in repair, and the spray repair material has good caking property and excellent packing capability and has fairly high refractoriness and breaking strength.

An apparatus and method for monitoring optical fiber obstructions in an optical split network is described. The monitoring apparatus comprises a broadband-monitoring light source module, an optical circulator, an optical spectral analyzer, a high-density multi-wavelength OTDR, a controlling computer, a wavelength division multiplexer, a specific wavelength optical filter, a monitoring-waveband reflector, and an optical channel selector. The monitoring apparatus utilizes the specific wavelength optical filter and the monitoring-waveband reflector to collectively construct an optical split network optical fiber obstruction monitoring apparatus for the passive optical network having multiple split routes by filtering, reflecting, and transmitting coming lights, so as to achieve the purposes of locating the obstructed split routes and obstruction locations at the same time.

The invention provides an interface code generation method and a terminal device, which are suitable for the technical field of computers. The method comprises the steps of establishing an interface field corresponding to an interface structure in a database based on the predefined interface structure; exporting the interface field through a report generation tool to generate a report document, receiving an interface field modification instruction sent by a user in the report document, and performing interface field modification on the report document; importing the modified report document, and according to the modified report document, updating the interface field in the database; and filling a code template with the updated interface field to generate an interface code matched with theinterface field. A developer does not need to be limited by a visual tool and can flexibly input and modify the interface field in the report document at any time, so that the maintenance efficiency of the interface field is improved; and a defined interface document can be directly synchronized to the code for use, so that the development efficiency of the developer is improved.

The invention discloses an immersed type liquid cooling apparatus, a blade type server and a frame type server. The liquid cooling apparatus comprises a housing and an external cooling device, wherein an enclosed cavity is arranged in the housing. Electronic components to be cooled are installed in the enclosed cavity, which is filled with a first liquid coolant. At least one channel is arranged in the body of the housing and the channel and the external cooling device form a loop which is filled with a second liquid coolant. The external cooling device is used to cool the second liquid coolant and provides circulation power for the second liquid coolant. The second liquid coolant discharges heat of the electronic components to be cooled conducted by the first liquid coolant through the enclosed cavity outside the housing, so as to cool the electronic components to be cooled. The problems that a liquid cooling system is low in heat radiation efficiency and high in production cost or operation cost, and the electronic components are inconvenient to maintain can be solved.

The invention discloses a method for automatically searching an electric meter address below a collector, comprising the following steps: 1, a concentrator sends a wildcard address to the collector and excites the collector to collect the data of all electric meters; 2, the collector sends the data collected in 1-3S back to the concentrator, and the concentrator analyzes the collected data, wherein the analysis process is that: (1) if no data is input, no electric meter is accessed; (2) if a complete data is received and no other data is followed, a single electric meter is accessed; (3) if the searched data is messy codes, error messages or correct message and other data is followed, a plurality of electric meters are accessed; 3, and when search shows that a plurality of electric metersare accessed, the wildcard address is replaced to repeat the step 1 and the step 2 till the address of the single electric meter is searched. The method can reduce maintenance work of an electric power information collecting system, reduces maintenance cost, and increases running effect of the collecting system.

The present invention discloses a device and a method to support automatic fiber access configuration of optical transmission equipments, which comprise an equipment control system to realize remote control over all processing units of the equipment, including remote cross configuration to cross matrix units of equipment nodes, a management control communication channel to provide a physical transmission channel for a network management system with all equipment processing units under its management, all function processing units of node equipments to realize optical signal transmission in form of an internal fiber access through an optical interface, a cross matrix processing unit to realize I/O optical interface connection amongst all function processing units of node equipments and conduct cross configuration to connected optical signals. The method and the device adopts optical/electrical cross matrix to realize automatic link and automatic equipment type conversion amongst fiber equipments, achieve intelligent and automatic configuration, save cost on daily equipment maintenance and increase maintenance efficiency.

Suspended monorail traffic track beam external intelligent inspection and maintenance vehicle to realize the automation, informatization and intelligence of track beam external faults and defect inspections, and provide inspection and maintenance operating conditions. It has a car body, a drive unit, an intelligent detection unit, a driving control unit and a safety protection unit. The drive unit is composed of a power storage battery and a suspension bogie. The rear of the car body is equipped with a suspended monorail track beam inspection and maintenance operation platform, which is equipped with a sensor lifting bracket, a contour detector, a lifting fence translation track, an inspection and maintenance operation lifting platform, a limit detection laser sensor, and a corrosion detection camera; the suspended monorail The track beam inspection and maintenance work platform can move laterally and vertically on the translation track of the lifting fence, and the range of motion covers the left, right and lower sides of the track beam, providing an inspection and maintenance platform that can be moved horizontally and vertically outside the track beam. The contour detector and the corrosion detection camera of the intelligent detection system are installed on the vertically movable sensor lifting brackets on both sides of the middle of the car body, the corrosion detection camera is installed outside the middle of the bracket, and the contour detector is installed on the inside of the middle and top of the bracket .

The invention discloses an appliance fault network maintenance system and method. The fault network maintenance method comprises the steps of detecting a triggering signal of the procedure of an appliance, and determining the mode of operation based on the triggering signal of the procedure; recording the number of operation times of a predetermined procedure of the appliance when the predetermined procedure of the appliance is selected, and monitoring the operation process within the number of operation times; saving a fault code corresponding to a fault if the fault occurs in the operation process of the appliance; and after starting a maintenance procedure on the appliance, a cloud server obtaining the fault code on the appliance and performing the maintenance mode corresponding to the fault code so as to timely handle the fault online for a user, meanwhile facilitate after-sales service, improve maintenance efficiency, and saving time and effort.

The invention relates to bituminous concrete capable of self-healing fast under microwave action, a manufacturing method and a repairing method thereof. The microwave self-healing bituminous concrete is prepared from, by mass, 83.8-88.3% of thick and thin aggregates, 2.3-7.9% of limestone mineral powder, 4.4-5.8% of bitumen, 2.1-8.5% of soft magnetic ferrite powder and 0-0.3% of fibers. Through stirring, the soft magnetic ferrite powder is evenly dispersed in bitumen mortar, the loss factor of the bituminous under microwaves is increased to over 0.16, when microwaves act on the damaged road surface made of the microwave self-healing bituminous concrete, soft magnetic ferrite has dielectric loss and magnetic loss effects on the microwaves, the bitumen mortar converts microwave electromagnetic energy into heat energy, the temperature of the bituminous concrete fast and evenly rises to 45 DEG C-85 DEG C after the bituminous concrete is heated for certain time, and fast self-healing of the bituminous concrete can be achieved by means of the heat repair function of the bitumen.

The invention belongs to the technical field of aerial airborne electronics, is applied to independent power supplies of recorders, and particularly relates to a fault positioning device and method for single capacitors in super-capacitor banks. A microcontroller controls a voltage monitoring and current monitoring circuit and acquires current flowing through each super-capacitor bank and the voltage of each single capacitor, the capacity of each super-capacitor can be calculated by calculating acquired data, the calculated value of the capacity of each super-capacitor is compared with a rated value of the capacity, and the fault of the super-capacitor can be judged if the calculated value exceeds an allowable range. As a fault detection circuit of each super-capacitor and a positioning algorithm are embedded into aerial airborne electronic equipment, online detection and fault report for the super-capacitors are realized, compared with an existing method, faults of the super-capacitors can be recognized as early as possible, and the maintenance efficiency of the independent power supplies is greatly improved.

The invention embodiment discloses a distributed network management system, comprising: a deployment server and at least one network management server. The network management server is used for gaining deployment information corresponding to a native machine from the deployment server, and determining system identification information waiting for being deployed in the current network management server according to the deployment information, and gaining and saving a subsystem software corresponding to the subsystem identification information from the deployment server, and starting the subsystem software. The deployment server is used for storing all subsystem softwares and subsystem distributed deployment information of the subsystem provided with the distributed network management system. The invention embodiment also discloses the network management server and a distributed deployment method.

The invention discloses a network resource generation method based on a standardized CAD (computer-aided design) drawing. The realization process of the network resource generation method comprises the steps of firstly designing a normalized drawing, based on the drawing, carrying out analysis on a pipe network-completed CAD drawing and presenting resource data, then generating accurate resource data via comparison, verification and modification, importing the resource data in a comprehensive resource management system, and presenting and managing the resource data. Compared with the prior art, the network resource generation method based on the standardized CAD drawing solves the technical problems that the CAD drawing recognition rate is not high, the basis for planning and designing a network on site is scarce, the CAD drawing is automatically imported and the imported data are automatically examined through carrying out normalization and standardization on the pipe network-completed CAD drawing, the resource data with qualified quality is automatically generated, and the maintenance efficiency of the resource data in telecommunication pipelines is improved.

The invention relates to the technical field of piezoelectric injection valves, in particular to a device for correcting pre-tightening force between a firing pin and a nozzle. The device comprises afirst adjusting mechanism and a second adjusting mechanism, wherein the first adjusting mechanism is provided with a pre-tightening piece and an upper adjusting block and a lower adjusting block whichare matched with each other; and the second adjusting mechanism is provided with an adjusting rod, and the bottom end of the adjusting rod abuts against the upper surface of the upper adjusting block. According to the device, the first adjusting mechanism is ingeniously utilized to roughly adjust the horizontal position of a lever so as to facilitate assembly of a piezoelectric actuator, the position of the lever is accurately adjusted in a follow-up manner by matching with the second adjusting mechanism, so that the pre-tightening force between the firing pin and the nozzle is adjusted, andthe problem that the piezoelectric actuator is too loose or too tight during adjustment can be avoided; and the nozzle at the current installation position can be adapted by driving the firing pin tomove after being mounted in the nozzle, the mounting position of the nozzle does not need to be accurately mastered, the assembly difficulty of the nozzle is greatly reduced, and the maintenance efficiency of the nozzle is improved.

The invention provides a monitoring message alarming method and system. The monitoring message alarming method comprises the following steps: collecting monitoring messages of all the application platforms, wherein the monitoring messages comprise service request identifications and response state identifications of service requests; obtaining the response state of the monitoring messages of the same service request identification according to the service request identifications and the response state identifications of the service requests; and when judging that the response state of the monitoring messages of the same service request identification satisfies a preset alarming standard, searching a preset alarming object corresponding to the service request identification and sending an alarming notification to the alarming object. According to the method and system, the application service with faults can be automatically searched and alarmed, so that the application operation and maintenance efficiencies are improved.

The invention provides a smart connecting box. The smart connecting box is characterized in that a smart component is mounted in the smart connecting box and comprises a detecting module, a CPU (central processing unit) module and a transmission module, wherein the detecting module is used for detecting work state information of a single solar panel, an output end of the detecting module is connected with an input end of the CPU module, and an output end of the CPU module is connected with the transmission module. By the smart component, running state of each solar panel can be detected, troubleshooting time is shortened, efficiency is improved, and daily maintenance and overhauling are facilitated.

The invention relates to an on-line monitoring device for roll gap of a plate blank continuous casting machine, which belongs to the technical field of metallurgy professional measurement device. The middle part of a displacement sensor of the device is fixed on the middle part of the internal surface of an upper measurement positioning board through an upper positioning seat of a measuring rod, and the lower end of the displacement sensor is movably inserted in a lower positioning seat of the measuring rod; a sensing end of the displacement sensor is extended out of the upper and lower measurement positioning boards respectively; the upper and lower positioning seats of the measuring rod are movably sleeve and connected with each other; the two sides of the internal surface are fixedly connected with two upper guide rod positioning seats respectively, and the two upper guide rod positioning seats are movably sleeved and connected with the two lower guide rod positioning seats respectively; and the upper and lower measurement positioning boards are extended toward the two ends along the width direction respectively so as to form support heads which contact with an upper continuouscast roller and a lower continuous cast roller during measurement respectively. In the invention, the abnormal changes of the roll gap can be found in time by the displacement sensor tracking the measuring value of the roll gap and analyzing the trend in an on-line manner, and the overhauling work can be quantitatively instructed, thereby improving the overhauling efficiency and being favorable to improving the capacity and reducing the mass loss.

The invention discloses an automatic computer failure handling method and an automatic computer failure handling device. The method includes: generating a memory mapping file according to configuration information of a computer; reading the memory mapping file, performing failure analyzing, and collecting failure information; classifying the collected failure information to determine failure types; selecting corresponding failure handling ways corresponding to the failure types according to the failure types to carry out failure handling. In a computer operating process, the memory mapping file is generated by means of memory mapping generation configuration and subjected to failure analysis to collect failure information; after the computer restarts, collected failures are analyzed to timely eliminate failures, computer maintenance efficiency is evidently improved, and high stability and reliability in system operation are guaranteed.

The invention discloses a convenient lifting machine capable of being translated. A lifting unit comprises a hand grip, a rotating disc, a threaded rod, a left-handed internal-thread sliding block, a supporting block, a right-handed internal-thread sliding block, a base, two upper supporting rods and two lower supporting rods. A translation unit is arranged at the bottom of the lifting unit. The translation unit comprises a bottom plate, wheel axles and wheels, wherein the bottom plate is arranged under the base, and fixedly connected with the base; the wheel axles are fixedly connected to a position under the bottom plate; each wheel is connected with the corresponding wheel axle in a rotating manner. The lifting machine disclosed by the invention is simple in structure, and through the addition of the translation unit, an automobile can be safety and quickly translated to a specified position during maintenance, so that the maintenance efficiency of maintenance staff is improved, and convenience is brought to the maintenance staff.

The invention discloses a combined electrical appliance partial discharge defect diagnosis method and system. The combined electrical appliance partial discharge defect diagnosis method comprises thesteps of: inputting an obtained ultrahigh-frequency partial discharge map of a to-be-detected transformer substation combined electrical appliance into a trained convolutional neural network model, and outputting a defect recognition result; and matching the defect identification result with a knowledge base to obtain a reason and a processing principle for forming the defect, wherein the convolutional neural network model is trained through utilizing a pre-constructed atlas library, and the atlas library comprises a plurality of substation combined electrical appliance detection atlas data sets with annotation information, and the knowledge base comprises defect reasons and processing principles corresponding to different defect types. According to the combined electrical appliance partial discharge defect diagnosis method and the system, an improved VGG16 structure is adopted, a transfer learning mode is utilized, model parameters of a convolution layer, a pooling layer and a full connection layer are optimized through utilizing VGG16 network model parameters, identification of a partial discharge map type is achieved, and the accuracy rate of a partial discharge mode can be improved.

The invention belongs to the technical field of elevator equipment and an intelligent control technology, and relates to an elevator cloud system for achieving lifelong responsibility of a manufacturer for an elevator and an elevator operation control method of the elevator cloud system. The elevator cloud system for achieving lifelong responsibility of the manufacturer for the elevator and the elevator operation control method of the elevator cloud system solve the technical problem that an existing technology is not reasonable enough in design. The system comprises an elevator cloud and a remote monitoring center, the elevator cloud comprises a cloud processing module, the cloud processing module is connected with an elevator communication module and a wireless communication module, the elevator communication module can be connected with an elevator control system and conduct data exchange with the elevator control system, the wireless communication module can be connected with the remote monitoring center through a wireless communication network and conduct data exchange with the remote monitoring center, and the cloud processing module is further connected with a cloud storage. The elevator cloud system and the elevator operation control method have the advantages that effective monitoring and management can be achieved on the elevator, the use safety of the elevator is guaranteed, and the fault maintenance can be conducted in time; the wireless communication module enables information of a broken-down elevator to be fed back to the remote monitoring center in time, the remote monitoring center can assign people to maintain the broken-down elevator in time, the maintenance cost is lowered and the repairing efficiency is increased virtually, and the practicability is high.

The invention discloses an IC card self-help terminal monitoring method and system. The method comprises the steps of: receiving the state information sent by a self-help terminal according to the preset frequency, wherein network communication is established between the self-help terminal and a server; determining an operating command corresponding to the state information in a database; and sending the operating command to the self-help terminal. The received state information sent by the self-help terminal is analyzed, so that the operating command corresponding to the state information is sent by the self-help terminal, remote automatic control can be carried out according to different situations, therefore, the self-help terminal can be repaired right away when having a problem, manual maintenance of working staffs in front of the self-help terminal is not needed, the maintaining efficiency of the self-help terminal is improved, and the manpower cost is reduced.

The invention relates to an outdoor carrying full trailer and an operating method of the outdoor carrying full trailer. The outdoor carrying full trailer comprises a traction bracket, an inner pipe, a traction ring, a dustproof cover, an air spring and a backup pin, wherein a front rotating shaft is arranged on the lower part of the traction bracket; a braking device, a braking connection rod mechanism and a pair of inner and outer meshed tooth disks are arranged on the front rotating shaft; the two inner tooth disks are connected with the traction bracket; the two outer tooth disks are connected with the front end of a rotating bracket; the rear end of the rotating bracket is connected with a guide wheel bracket through a rear rotating shaft; two ends of the rear rotating shaft are respectively sleeved with a pair of inner and outer meshed tooth disks; the two inner tooth disks are connected with the guide wheel bracket; the two outer tooth disks are connected with the rotating bracket; the front rotating shaft and the rear rotating shaft on the outer sides of the two outer tooth disks on one side are respectively in threaded connection with locking handles; the locking handles are rotated to adjust the angle of the rotating bracket; the tail of the guide wheel bracket is connected with a compartment and is connected with two upper supporting legs and two lower supporting legs through a groove steel support, and the upper supporting legs and the lower supporting legs are connected through fixing pins; the bottom of each lower supporting leg is in threaded connection with a supporting foot and is also connected with a base through a universal joint.

The invention discloses an on-line recognition device and method of diesel engine power performance. The on-line recognition device comprises a vehicle speed sensor, an engine speed sensor, a diesel engine accelerograph rack position sensor, an ECU and an alarm device. The vehicle speed sensor, the engine speed sensor and the diesel engine accelerograph rack position sensor are connected with the ECU respectively. The circumstance revising Map and the standard torque Map are stored in the ECU. The ECU compares the revised torque with the standard torque Map, and if revised torque does not meet the requirement of the standard torque Map, the alarm device is notified to conduct alarm prompt. The on-line recognition device is simple in structure, the vehicle driving force is worked out by collecting the revolving speed, the accelerograph position and the speed of a vehicle, the diesel engine output torque is further obtained, the diesel engine power performance can be recognized in a quantitative mode through the comparison with the standard torque in the ECU, the diesel engine output torque can be measured directly under the condition of vehicle loading, the diesel engine state can be monitored, and reliability of diesel engine operation is improved.

Signal tower body repairing equipment comprises a base, four fixed parts, two welding parts, a steel tube storing part, a steel tube moving part, and a flying part. The signal tower body repairing equipment is characterized in that the upper end of a first telescopic sleeve of the four fixed parts is fixedly connected with fixed seats of the four fixed parts correspondingly; four slide strips of the two welding parts are slidably mounted in four second dovetail grooves correspondingly, and two first gears are engaged with two second racks correspondingly; two clamps of the flying part are mounted in a clamping seat of the flying part correspondingly; six second stepping motors of the flying part drive six propellers and further drive the equipment to fly, two seventh steering engines adjust angles of two third triangle plates and further adjust the flying direction of the equipment, so that flying of the aircraft is achieved, and the aircraft can rapidly reach to the position where repairing is needed, and the repairing efficiency is improved.

The invention provides a railway wagon overhauling production line without a crown block and an overhauling process thereof. The railway wagon overhauling production line comprises an overhauling standard railway track (3), a track switch (4), a bogie replacing station, a damaged part assessment disassembling station, a turnover overhauling station, an overhauling shaping station and a bogie rotating station, wherein the two ends of the overhauling standard railway track (3) are butt-jointed with a wagon overhauling inlet line and a wagon return line, respectively; and two ends of the track switch (4) are connected with the two ends of the overhauling standard railway track (3) through a curve and a switch device, respectively. The railway wagon overhauling production line without the crown block, provided by the invention, is advantaged in that the process layout of the production line is reasonable; the use of the crown block can be avoided in the overhauling production line so that the whole overhauling production line is simple; the overhauling efficiency of the production line is high; and the production line exerts very good market promotion values.

A rust removal device for the outer wall of a construction pipeline, comprising a base, on which a moving groove with an opening facing upwards is provided, a moving block is arranged in the moving groove, and a horizontal thread through hole is arranged on the moving block, and the horizontal thread The threaded rod is connected to the internal thread of the through hole, and the two ends of the threaded rod are erected on the base on both sides of the moving groove, and the right end of the threaded rod is fixedly connected with the first motor output shaft fixedly arranged on the right side wall of the base; The side is fixedly connected with a first support frame, the top of the first support frame is fixedly connected with a baffle plate, a circular groove is opened on the left side wall of the baffle plate, and the right end of the pipe is against the inner side of the circular groove. Compared with the prior art, the beneficial effect of the present invention is that when the pipeline is moving, the outer wall of the pipeline is derusted by a rotating wire brush, thereby improving the maintenance efficiency of the pipeline. The invention has the advantages of reasonable structural design, convenient use, high derusting efficiency, etc., and has certain popularization and application value.