But cyclic utilization reserves sleeve pipe location to mid -game

The utility model discloses a but cyclic utilization reserves sleeve pipe location to mid -game arranges pre -buried round sleeve (4) in, including conical sleeve (5), be provided with big chuck (7) in conical sleeve (5), big chuck (7) below is little chuck (6), and little chuck (6) below is hollow pipe (8). The utility model discloses construct to high rise concrete structure and utilize the construction of reserving the sleeve pipe and carrying out height transmission, fixed point location, install simple structure, convenient to use, swift, green can effectively accomplish concrete structure height transmission and fixed point location work safely.

Automatic temperature control long-acting reference electrode

The invention relates to an automatic temperature control long-acting reference electrode used in low temperature environment oil gas station and line off-take valve station cathode protection systems. The automatic temperature control long-acting reference electrode is characterized in that a reference electrode (5) is connected with the reference electrode terminal of a potentiostat (1) through a cathode output cable (4); the anode output terminal of the potentiostat (1) is connected with a buried anode ground bed (2) through an anode cable (3), the cathode output terminal of the potentiostat (1) is connected with an outer end pipeline (6) through a zero potential cathodic protection cable (9), and the zero potential cathodic protection terminal of the potentiostat (1) is connected with an outer end pipeline (6) through a cathode output cable (10); and the outer end pipeline (6) and an in-station pipeline (8) are electrically insulated through insulation joints (7). The automatic temperature ...

Voiceprint recognition method and system based on optical fiber, medium and equipment

The invention discloses a voiceprint recognition method and system based on an optical fiber, a medium and equipment, and relates to the field of oil and gas storage and transportation pipelines. The method comprises the steps of collecting vibration data of a to-be-detected construction machine in real time through an optical fiber, extracting voiceprint map features of the vibration data, outputting a voiceprint category recognition result according to the voiceprint map features in combination with a trained DFCNN model, filtering other voiceprints according to the voiceprint map features in combination with the trained DFCNN model, and outputting a voiceprint category recognition result. And the voiceprint category recognition result is output, and real-time alarm is performed after the excavator voiceprint is recognized, so that the problem of excavator detection omission of video report is solved, and the safety risk of third-party damage to the pipeline is reduced.

Self-propelled tuber harvester

The invention discloses a self-propelled tuber harvester. The self-propelled tuber harvester comprises a traveling mechanism, an operating mechanism and a digging conveying detaching mechanism, wherein the digging conveying detaching mechanism comprises a digging shovel and a conveying detaching machine frame; the conveying detaching machine frame is connected with a machine frame; a plurality of planet shafts are arranged on the conveying detaching machine frame; a plurality of planet wheels are arranged on each planet shaft; an spacer sleeve is arranged between the two adjacent planet wheels; arc-shaped transmission teeth are distributed on the planet wheels uniformly; the planet shafts at the end of the conveying detaching machine frame are driven by a power source. According to the self-propelled tuber harvester, crops are shoveled out of soil by the digging shovel and are transmitted by the planet wheels. The arc-shaped transmission teeth remove soil on the crops and do not damage ...

Wireless sensor network communication protocol method of automatic cathodic protection data collection system

The invention discloses a wireless sensor network communication protocol method of an automatic cathodic protection data collection system and relates to the technical field of digital information transmission and pipe systems. The wireless sensor network communication protocol method adopts a three-layer protocol structure which comprises a physical radio frequency layer, a network layer and an application layer from bottom to top, wherein the physical radio frequency layer encapsulates data of the bottom layer into a frame structure, and a CSMA-CA carrier monitoring conflict avoidance algorithm is planted into the frame structure; the network layer achieves formation, retrieval and input and output control of data packets in the protocol and interface function transmission and reception by calling a software interface encapsulated by the physical radio frequency layer; the application layer establishes an application program interface function capable of achieving all functions of the ...

Intelligent patrol method, system and device for pipeline and unmanned aerial vehicle

The invention discloses an intelligent patrol method, system and device for a pipeline and an unmanned aerial vehicle, and the method comprises the steps: controlling the unmanned aerial vehicle to fly along the center line of the pipeline, and obtaining a video signal in real time through a carried image collection device; and identifying and analyzing the video signal through a video intelligent identification and analysis algorithm, controlling the unmanned aerial vehicle to stay for evidence collection when an abnormal condition is found, and giving an alarm. According to the invention, unsafe behavior events above and around the pipeline can be found in time, the unmanned aerial vehicle is controlled to stay for evidence collection when an abnormal condition is found, and an alarm is given, so that safe and stable operation of the pipeline is ensured, and the inspection quality and efficiency are high.

Portable high-precision positioning system

The invention relates to a portable high-precision positioning system which comprises a satellite positioning system, a differential platform and a positioning device which are in communication connection in sequence. The satellite positioning system is used for acquiring first observation data of a ground base station; the differential platform is used for acquiring the first observation data, calculating to obtain differential correction data according to the first observation data, and sending the differential correction data to the positioning device; and the positioning device is used for receiving the differential correction data and correcting second observation data acquired by the positioning device for a to-be-positioned target according to the differential correction data to obtain a target positioning result of the to-be-positioned target. Through the scheme of the invention, the positioning precision is improved.

Cathode protection data automatic acquisition system based on wireless sensor network

The invention discloses a cathode protection data automatic acquisition system based on a wireless sensor network. The system is based on a radio frequency transceiver CC1110, adopts a time division multiplexing working mode, and mainly comprises a solar power supply module, a power circuit, the radio frequency transceiver CC1110, a down link and an up link, wherein the solar power supply module is connected with a radio frequency single chip processor; the input end of the radio frequency single chip processor is connected with a data acquisition module; the output end of the radio frequency single chip processor is connected with an impedance conversion circuit; the output end and the input end of the impedance conversion circuit are respectively connected with the input end and the output end of the first radio frequency switch; the output end of a first radio frequency switch is connected with the down link; the output end of the down link is connected with a second radio frequency ...

Method for simulating influence of high-voltage AC power transmission line on buried steel pipeline

The invention provides a method for simulating influence of a high-voltage AC power transmission line on a buried steel pipeline. Three magnetic leakage strengthening cables are arranged according to a high-voltage AC power transmission line three-phase transmission mode via an insulating bracket to simulate three-phase AC of the high-voltage power transmission line, and the three magnetic leakage strengthening cables are distributed above the outdoor buried pipeline to simulate the high-voltage power transmission line. Bracket support of the insulating bracket is controlled by a stepping motor. A cross angle of the three-phase magnetic leakage strengthening cable and the buried pipeline is adjusted, and the size of the cross angle is accurately controlled by the stepping motor. Overhead height of the magnetic leakage strengthening cable is adjusted by the bracket. Alternating current is adopted to act as an interference excitation source, and magnetic field intensity generated by the three-phase ...

Storage tank margin plate anti-corrosion sealing structure and manufacturing method thereof

The invention discloses a storage tank margin plate anti-corrosion sealing structure and a manufacturing method thereof. The manufacturing method comprises the steps of preparing a material for manufacturing a sealing structure; cleaning a storage tank device before sealing; filling a non-cured antiseptic plaster into gaps of a margin plate and a cement ring beam; coating asphalt grout on the surface of the non-cured antiseptic plaster, the surface of the margin plate and the surface of the cement ring beam; comprehensively coating a cured elastic weather-proof sealant on the asphalt grout. The storage tank margin plate anti-corrosion sealing structure can be well bonded with the tank wall and the cement ring beam to form a complete anti-corrosion sealing system and has good elasticity, weather resistance and anti-corrosion capacity, and the problem of invalid anti-corrosion sealing caused by deformation of the outer margin plate of the storage tank and environment factors can be avoided ...

Storage tank edge plate anticorrosion sealing system and manufacturing method thereof

The invention discloses a storage tank edge plate anticorrosion sealing system and a manufacturing method thereof. The method comprises the following steps: preparing materials for manufacturing a sealing structure; cleaning storage tank equipment before sealing; filling non-curing anticorrosion paste into a gap between an edge plate and a cement ring beam to guarantee a wrapping shape to be a gentle slope shape; coating supportive primer onto the upper surface of the edge plate and then attaching a polypropylene cold wrapping tape on the surface of the edge plate and the surface of the cement ring beam along the radial direction of the storage tank, wherein the overlapping width is 50 percent; comprehensively coating curing-type elastic weatherproof sealant above asphalt grout; shaping the curing-type elastic weatherproof sealant to a water scattering slope shape. The anticorrosion sealing system produced by adopting the manufacturing method can be well bonded with the tank wall and the ...

Direct current cathode interference mitigation device for buried pipeline

The invention discloses a direct current cathode interference mitigation device for a buried pipeline. The device can be connected between the buried pipeline and a ground material and the device comprises a reference source for providing reference potential, a comparator module which is connected with the reference source and the buried pipeline and used for obtaining the reference potential and current potential of the buried pipeline, outputting a first signal when the current potential of the buried pipeline is lower than the reference potential and outputting a second signal when the current potential of the buried pipeline is higher than the reference potential, a controller which is connected with the comparator module and used for generating a conduction signal when the first signal is received and generating a disconnection signal when the second signal is received, a CMOS (complementary metal oxide semiconductor) field effect tube which is connected with the controller, the buried ...

Soil body change intelligent monitoring method, system and device and storage medium

The invention discloses a soil body change intelligent monitoring method, system and device and a storage medium. The method comprises the steps that a fluorescent marker post ruler perpendicular to the earth surface is fixed to the earth surface of a target monitoring area; acquiring a video signal containing the fluorescent marker post ruler through an image acquisition device, and identifying the position and the scale of the fluorescent marker post ruler in a video picture; marking a marking line perpendicular to the fluorescent marker post ruler in the collected video picture, and recording the relative position of the marking line and the fluorescent marker post ruler; when the relative position of the marking line and the fluorescent marker post ruler is changed, alarm information is sent out. According to the invention, the change condition of the soil body around the pipeline can be timely and intuitively found, and the alarm information is pushed to a manager, so that the environment ...

Garlic and peanut digging machine

Method and device for determining vertical distance between vibration source and optical fiber, equipment and medium

The invention relates to a method, device, equipment and medium for determining the vertical distance between a vibration source and an optical fiber, an optical fiber is arranged in an optical cable defense area, and a plurality of optical fiber sensors are arranged along the optical fiber arrangement direction, and the method comprises the following steps: obtaining a target vibration source type of a corresponding vibration source when an alarm event occurs; according to the target vibration source type, obtaining first vibration intensity detected by each sensor in each optical fiber sensor when an alarm event occurs; and determining a vertical distance between the vibration source and an optical fiber according to each first vibration intensity and a pre-established first corresponding relationship corresponding to the target vibration source type. According to the method provided by the invention, the vertical distance between the vibration source and the optical fiber can be judged ...

Removable laser accurate appearance base that hangs down

The utility model discloses a removable laser accurate appearance base that hangs down, including protection box (1), the instrument safety cover that activity visor (2) and protection lock (3) are constituteed, protection box (1) is connected and fixed instrument position with concrete floor (6) through bolt (5), the middle part of activity visor (2) sets up one glass lens (4), it passes through to be convenient for the laser beam that infrared laser instrument (11) sent, set up the level on 3 foot screw (8) adjustment laser pen chassis (9) on metab (7), laser pen chassis (9) reach the level when trachea bubble (10) is placed in the middle, then open infrared laser instrument (11), just can accurately carry out the accurate positioning on the upper story floor through the laser beam. The utility model discloses to height transmission, the construction of fixed point location of high rise concrete structure building, device simple structure, convenient to use can accomplish the vertical ...

Pipeline integrity data transmission method, device and system based on Beidou short message

The invention discloses a Beidou short message-based pipeline integrity data transmission method, device and system. The method comprises the following steps of: receiving original integrity monitoring data of a target pipeline; performing format conversion on the original integrity monitoring data to obtain target integrity monitoring data in a Beidou short message format; and sending the target integrity monitoring data to a Beidou satellite so as to restore the target integrity monitoring data to the original integrity monitoring data through a Beidou director connected with the Beidou satellite and transmit the original integrity monitoring data to a target terminal. According to the invention, pipeline integrity data transmission is realized in a Beidou short message communication mode, human factor errors generated in a data transmission process are reduced, transmission of pipeline integrity data in an area without mobile network signal coverage can be realized, and timeliness of ...

Gas pipeline comprehensive reliability evaluation method and system and electronic equipment

The invention relates to the technical field of gas pipeline safety evaluation, in particular to a gas pipeline comprehensive reliability evaluation method and system and electronic equipment, and the method comprises the steps: employing a nuclear density distribution mode to obtain alarm grade nonlinear probability density distribution corresponding to each parameter of a gas pipeline in each risk early warning scene; using a C-copula function to obtain alarm level nonlinear joint probability density distribution in each risk early warning scene; fusing the nonlinear joint probability density distribution of all the alarm levels by using a C-copula function to obtain unified joint probability density distribution in a high-dimensional space; and performing reliability evaluation on the gas pipeline by using the unified joint probability density distribution to obtain a reliability evaluation result. The oneness in engineering evaluation and the subjective influence of human factors are ...

Cathodic protection data automatic acquisition method based on wireless sensor network

The invention relates to a cathodic protection data automatic acquisition method based on a wireless sensor network, and the method is used for safety management and maintenance of a pipeline transportation system. The method is characterized by adopting dynamic routing selection algorithm, an acknowledgement retransmission mechanism, a large data packet split sending algorithm and a log record return algorithm that are based on energy pipeline transportation environmental characteristics. The method provided by the invention can realize data automatic acquisition, timed monitoring and management, and can guarantee the flexibility and compatibility of a network protocol and the integrity, stability and robustness of network protocol functions.

Pipe-to-soil potential excessively-negative control method and device for buried pipeline

The invention relates to a pipe-to-soil potential excessively-negative control method and device for a buried pipeline which suffers from DC spurious emission interference. A voltage reference source is used as a signal collecting comparison and triggering control circuit to trigger and control a based threshold value; when the pipe-to-soil potential collected by the signal collecting comparison and triggering control circuit A02 exceeds the specified value of the threshold value, an operational amplifier in the circuit outputs in the forward direction, a photoelectric coupler is triggered and connected, and a reverse compensation control circuit A03 is triggered to start applying a forward current to the pipeline; when the pipe-to-soil potential collected by the signal collecting comparison and triggering control circuit A02 has already returned within the allowed range of the set threshold value, the operational amplifier is free of output, the photoelectric coupler is not triggered, ...

Intelligent pile for oil and gas pipeline

The invention discloses an intelligent pile for an oil and gas pipeline, and relates to the field of intelligent construction of oil and gas pipelines. The intelligent pile comprises a data acquisition and analysis unit, a sensing module, a power supply unit and a network transmission module, wherein the sensing module, the data acquisition and analysis unit and the network transmission module are connected in sequence; the sensing module, the data acquisition and analysis unit and the network transmission module are respectively connected with a power supply unit; the sensing module is used for sensing various sensing data of an oil and gas pipeline and sending the sensing data to the data acquisition and analysis unit; the data acquisition and analysis unit is used for analyzing each sensing data and sending the analyzed sensing data to the network transmission module; and the network transmission module is used for transmitting the analyzed sensing data back to an application system, ...