631results about "Cable installation apparatus" patented technology

The invention provides a multifunctional inspection device detection system based on a distribution network mobile operation terminal, and relates to the technical field of electric power detection, and the multifunctional inspection device detection system comprises a portable main terminal of a dynamic collaborative architecture, a wearable terminal for augmented reality interaction and a distributed heterogeneous sensing cluster, which form a closed-loop data chain through an electric power dedicated low-delay wireless communication network; the portable main terminal is integrated with a heterogeneous computing unit with adaptive computing power distribution, can perform real-time fusion analysis on multi-dimensional sensing data, and outputs a visual result containing fault location and confidence; the wearable terminal superposes fault information to a real scene in a three-dimensional marking form through a virtual-real fusion positioning technology, and supports eye movement and voice collaborative interaction; multi-module collaborative acquisition of the distributed heterogeneous sensing cluster is combined with a nanosecond timestamp synchronization mechanism, so that the limitation of traditional single parameter detection is broken through, rich and synchronous basic data is provided for subsequent analysis, and the comprehensiveness of routing inspection is greatly improved.

The invention provides a power distribution network fault intelligent positioning and self-healing recombination method and system. The method comprises the steps that S1, operation data of a power distribution network are acquired and preprocessed; s2, modeling the power distribution network topology into a weighted undirected graph, and constructing transient characteristics including node characteristics and edge characteristics; s3, on the basis of the transient characteristics and the power distribution network topology, the fault type is judged in real time by adopting a graph convolutional network, and a fault section is determined in combination with a traveling wave distance measurement and impedance method; s4, when entering an isolation fault state, automatically generating a power supply reconstruction scheme meeting current, voltage and switch constraints, and selecting an optimal scheme through multi-objective optimization; and S5, issuing a switching instruction according to the optimal scheme to complete topology reconstruction, and updating a fault identification and recombination strategy according to an actual execution result to improve positioning precision and recovery efficiency. According to the invention, a novel fault processing scheme integrating multi-source measurement, an efficient algorithm and online learning can be adopted, so that the power failure time is shortened, the power failure range is reduced, and the toughness of the power distribution network is improved.

An electrical feedthrough is providing that includes a base body, an insulating material, an electrical conductor, a creepage distance extension, and a sealing member. The base body has a through opening extending therethrough. The insulating material is in the through opening. The electrical conductor extends through the insulating material such that a portion of the electrical conductor protrudes from the insulating material. The creepage distance extension surrounds at least a section of the portion. The sealing member is between the insulating material and the creepage distance extension. The sealing member is a seal material that is at least partially mineral and crystalline.

The invention relates to the technical field of submarine cable equipment, and provides a dynamic submarine cable quick release device for isolating marine organism attachment, which comprises a female plug, a male plug, a traction component, an automatic mounting and releasing mechanism and an elastic pin lock catch mechanism, and is characterized in that the automatic mounting and releasing mechanism is used for movably limiting the male plug and the female plug; the automatic mounting and releasing mechanism is of a closed structure; the elastic pin lock catch mechanism has a first locking state for locking the male plug and the traction component in advance and a second unlocking state for unlocking the male plug and the traction component after the male plug and the female plug are locked. The working efficiency is improved, divers do not need to dive underwater for operation, and the operation safety risk of the divers is reduced; meanwhile, the marine organism adhesion resistance of equipment is effectively enhanced, and the underwater service life and reliability of the equipment are improved.

The invention provides a building electromechanical pipeline modular construction method based on the BIM technology, and relates to the technical field of BIM. The method comprises the steps that comprehensive arrangement of project pipelines is conducted through the BIM technology, adjustment is conducted according to cross collision occurring in the installation process, a support is designed, and support stress is rechecked; the method comprises the following steps of: designing a comprehensive pipeline of a region in BIM software in detail according to nodes, dividing the comprehensive pipeline into electromechanical pipeline installation modules of one unit, and providing a pipeline module three-view; module prefabrication is conducted according to the requirements of a BIM module drawing, after prefabrication is completed, segmented comprehensive electromechanical pipelines are assembled on a manufactured assembly frame, and transportation is conducted after assembly; and an overall installation scheme is planned according to the overall pipeline installation area, the bearing capacity of a floor or a beam is rechecked, and segmented hoisting or lifting and overall module splicing of the pipeline unit modules are carried out. The comprehensive quality and construction safety of the electromechanical pipeline system are improved.

The invention relates to the technical field of insulating rod auxiliary equipment, and particularly discloses an insulating rod auxiliary fastening method and device. The method comprises the steps that a rotating handle on the insulating rod is clamped through a clamping device, and the clamping device comprises a clamping assembly used for clamping the rotating handle, a transmission assembly used for driving the rotating handle to rotate and an output motor used for controlling starting and stopping of the transmission assembly; controlling an output motor to start, and acquiring a real-time current value of the output motor; when the real-time current value is larger than or equal to the preset current value, the output motor is controlled to be According to the scheme, the clamping device can clamp the rotating handle and drive the rotating handle to rotate, the operation burden of a worker is reduced, the risk that the insulating rod slips out of the hand is reduced, meanwhile, whether the conductor end is clamped by the insulating rod or not is judged by obtaining the real-time current value, the accuracy of judging whether the insulating rod is clamped or not by the worker can be improved, and the working efficiency is improved. The problems that in the operation process, the risk that the insulating rod slips out of the hand is high and the accuracy of judging whether the insulating rod is clamped is low are solved.

The utility model discloses a cutting device for cable production, which comprises a base, the top of the base is fixedly connected with a cutting table, and the top of the cutting table is fixedly connected with a support. In the actual use process, the rotating handle on the support is rotated to cause the threaded rod to rotate, so that the connecting frame on the connecting sleeve is pushed to move forwards, the movement of the connecting frame drives the extrusion block to move forwards to extrude a cable body to be straight, the electric push rod at the top of the support is started, the connecting plate is pushed to move downwards, and in the downward moving process of the connecting plate, the cable body is extruded to be straight. When a cable is cut off, the sliding rods at the four corners and the pressing blocks can be driven to move downwards together, the pressing blocks conduct accurate positioning on the cable body when moving downwards, continuous pressing force is applied to the cable body through elasticity of the springs, accurate cutting off of the cable body is achieved through cooperation of the upper cutter and the bottom cutter, the whole system guarantees rapid and accurate positioning of the cable, and the service life of the cable is prolonged. And through cooperation of the spring and the pressing block, the deviation problem in the cutting process is solved, and the working efficiency and the cutting precision are remarkably improved.

The invention relates to the technical field of cable safety detection, and particularly discloses a power cable inspection robot system which is characterized in that self-sounding emission waveform flow and thermoelastic stress field distribution of a cable are synchronously acquired through an autonomous mobile platform; carrying out nonlinear mode decomposition and entropy evolution analysis by utilizing an edge calculation center, and respectively extracting a damage kinetic energy release rate and a state phase change margin characteristic value; the time-space correlation of the two is constructed through a comprehensive analysis module, and a critical instability coefficient indicating the chain failure risk is calculated; outputting a safety state level through the risk prediction model; and finally, the autonomous strategy generation module executes differentiated inspection decisions accordingly. According to the invention, fusion evaluation of the internal damage and thermal stability of the cable is realized, the structure instability risk can be accurately predicted in an early stage, the robot is driven to autonomously adjust the inspection strategy, and the intelligence, precision and response efficiency of inspection are improved.

The invention relates to a construction method for a grounding down lead system of a new energy storage power station, which is based on the construction of a main grounding grid and is used for reasonably connecting a lightning rod, a framework, a lightning arrester bracket, a main transformer, a tubular bus, a GIS (Gas Insulated Switchgear) and a brim voltage-sharing belt in the energy storage power station with the main grounding grid so as to exert the function of protecting related electrical equipment in the energy storage power station. Comprising the following steps that S1, a lightning rod, a framework, a lightning arrester support, a main transformer, a tubular bus, a GIS and a brim voltage-sharing belt are connected to a main grounding grid; s2, providing centralized grounding devices, and respectively arranging the centralized grounding devices at positions adjacent to a lightning rod, a main transformer and a tubular bus; on the basis that related electrical equipment of the energy storage power station is connected to the main grounding grid, the centralized grounding device is arranged for the lightning rod, the main transformer and the tubular bus, so that the current dispersing area is increased, the grounding efficiency of a grounding down lead system of the energy storage power station is improved, the potential difference among multiple equipment of the energy storage power station is reduced, and point position balance of the whole station is ensured; and safe operation of electrical equipment is ensured.

The invention relates to an AUV (Autonomous Underwater Vehicle) crawling system and application thereof. The plurality of translation mechanisms are mounted on the machine body; in the plurality of lifting mechanisms, the plurality of lifting mechanisms are respectively connected with the movable ends of the plurality of translation mechanisms and the machine body; the multiple wheel set opening and closing mechanisms are connected with the fixed ends of the multiple lifting mechanisms correspondingly. The plurality of walking wheel sets are respectively connected with the plurality of wheel set opening and closing mechanisms; the multiple auxiliary clamping mechanisms are connected with the multiple wheel set opening and closing mechanisms correspondingly. In the obstacle-avoiding crawling process of each obstacle-crossing unit on the pipe / cable, the walking wheel set and the auxiliary clamping mechanism are driven to swing in sequence, the height position of the wheel set opening and closing mechanism relative to an obstacle is adjusted through the lifting mechanism, and the lifting mechanism is driven to cross the obstacle through the translation mechanism. And the obstacle crossing units repeat the actions, so that the AUV crawling system completes inchworm type obstacle crossing on the pipe / cable. The AUV crawling system can adapt to crawling of pipes / cables in different environments, is high in obstacle crossing capacity and belongs to the technical field of pipe / cable inspection.

The utility model relates to building construction technical field discloses a wire box protection device, including protection panel and support structure, the support structure includes two first plug -in board of opposite setting and two second plug -in board of opposite setting, the first plug -in board and second plug -in board all are fixed at the bottom edge department of protection panel, and two first plug -in board and two second plug -in board enclose and form rectangular frame, the middle part of first plug -in board is equipped with the first opening of adapting with wire box, and the second opening is arranged between two first plug -in board and second plug -in board, the protection panel is equipped with screw hole and the hand buckle hole of being convenient for dismantling. The utility model provides a wire box protection device, forms the closed space protection wire box through, and makes wire box protection device protruding structure surface through the adjusting screw, reaches the effect that the finished surface is flush with the decoration, improves wire box protection effect and construction quality, has the advantages such as convenient construction, wide application range.

The invention relates to a water stop material injection method and an electric junction box. A water stop material filling method for filling a water stop material into a lead-out port of an electric wire provided in an electrical junction box includes injecting the water stop material through a first hole formed in a hollow filling portion surrounding an outer side of the lead-out port and communicating with the lead-out port.

This invention discloses an intelligent high-end power transmission cable, relating to the field of power cable technology. The top surface of the rubber protective layer is equidistantly equipped with positioning rigid rubber blocks. Each positioning rigid rubber block has an elastic buffer rubber pad embedded at its bottom. An arc-shaped rubber strip is installed above the top of the rubber protective layer, with arc-shaped positioning splicing blocks equidistantly connected to its bottom. Positioning ring grooves are equidistantly formed on the surface of the rubber protective layer. This invention utilizes the interplay between the arc-shaped positioning splicing blocks and the positioning rigid rubber blocks to position and install the arc-shaped rubber strip, allowing it to be spliced ​​and cover the outside of the rubber protective layer, providing protection above the cable and preventing the buried cable from being broken during ground excavation. Furthermore, a pressure sensor monitors the impact force, providing timely feedback and alerts when the cable is encountered, making the excavation process more precise and safer.

The invention relates to the technical field of cable take-up and pay-off tables, and provides a cable take-up and pay-off table suitable for a large-scale cable drum, the cable take-up and pay-off table comprises a walking platform, the top of the walking platform is fixedly connected with a fixing frame, one end of the top of the fixing frame is fixedly connected with a first fixing plate, and the top end of the first fixing plate is rotationally connected with a first butt joint shaft penetrating through the first fixing plate; a first butt joint shaft is arranged at one end of the top of the fixing frame, a winding drum used for winding a cable is arranged on the first butt joint shaft in a sliding fit mode, a positioning piece used for positioning the winding drum is arranged at the other end of the top of the fixing frame, a driving piece used for driving the first butt joint shaft to rotate is arranged on the fixing frame, and a reverse locking piece used for limiting the winding drum to release the cable is arranged on the outer side of the first fixing plate. Automatic loading and accurate positioning of the winding drum are achieved through the hydraulically-driven positioning piece.

The present invention discloses a cable fixing device for electric power engineering, which belongs to the field of electric power engineering and includes a mounting plate, on which a detection device is provided; fixing mechanisms are evenly provided on the mounting plate, and the fixing mechanisms are used to fix the cables; the fixing mechanisms include two telescopic rods symmetrically fixedly mounted on the bottom wall of the mounting plate, the output ends of the two telescopic rods are close to each other, and the two telescopic rods are in the same straight line; this solution can fix the end of the cable to be detected by the fixing mechanism through the mutual cooperation of the fixing mechanism, the protective cover, the elastic member, and the push rod, so that when the detection device is connected to the cable, the vibration degree of the connection part of the cable and the detection device can be reduced, and the probability of the connection part becoming loose or damaged is reduced. At the same time, the protective cover can prevent water flow from directly impacting the connection part of the cable and the detection device, thereby reducing the vibration probability of the connection part and improving the connection stability.

The invention relates to the technical field of robot inspection, in particular to a cable trench inspection robot and an inspection system. The invention provides a cable trench inspection robot. The cable trench inspection robot comprises a robot body, a multi-modal fusion positioning unit and a prospective environment self-adaption unit, the robot body comprises a main body, a central controller, a moving mechanism used for moving in a cable trench and an environment coping mechanism. The environment coping mechanism is connected between the main body and the moving mechanism and is electrically connected with the central controller; the multi-modal fusion positioning unit is electrically connected with the central controller and is used for acquiring high-precision position information of the robot body in the cable trench in real time by fusing data of multiple positioning modes; and the prospective environment self-adaptive unit is electrically connected with the central controller. According to the invention, continuous high-precision positioning can be realized, and predictive and active self-protection on a severe environment is realized by using the positioning information.

A system (2) for detecting insulation defects in an underground power cable (12) having one or more single conductors (16, 18, 20) surrounded by a conductive shield (22). The system (2) includes one or more external clamp-on sensors (4, 4', 4'', 4''') fastened to the outside of the power cable (12) or positioned in close proximity to the power cable (12). The clamp-on sensors (4, 4', 4'', 4''') are configured to provide two or more current measurements from outside the power cable (12) without being electrically connected to any of the one or more conductors (16, 18, 20) of the power cable (12). The system (2) includes a signal processing unit (50). The sensors (4, 4', 4'', 4''') are configured to detect partial discharge events (6, 6', 6'', 6''', 6''''). The signal processing unit (50) is adapted to use a mathematical statistical model (52) to process the measurements obtained by the sensors (4, 4', 4'', 4''') to identify whether the current measurements are caused by a partial discharge event (6, 6', 6'', 6''', 6'''') caused in a leakage structure (46) of the power cable (12).

The utility model discloses a cable T-shaped head dismounting tool, and relates to the cable prediction experiment detection auxiliary technology field, the cable prediction auxiliary equipment comprises a metal crossbeam, the middle part of the metal crossbeam is provided with a thread bushing, the thread bushing is internally in threaded connection with a jackscrew, and two sides of the metal crossbeam are respectively provided with a fixing member in a sliding manner. The cable T-shaped head is sleeved with the positioning assembly, the two sides of the positioning assembly are fixed through the two sets of fixing pieces, and the jackscrew is driven to rotate through an electric wrench. The clamping ring I and the clamping ring II are fixed on the cable T-shaped head, the positions of the two groups of metal rods are adjusted according to the sizes of the clamping ring I and the clamping ring II, the clamping ring I and the clamping ring II are hooked by the claw hook, the jackscrew is rotated through the electric wrench, and the metal cross beam drives the metal rods, the clamping ring I, the clamping ring II and the cable T-shaped head to move through the rotation of the jackscrew. And the step of using more disassembling tools in a traditional disassembling mode is omitted, and time and labor are saved.

The invention relates to a method for manufacturing an electrical conductor intended to equip electrical equipment, comprising the steps of providing (101) a bare electrical conductor made from copper and of stripping and texturizing (103) at least a portion of the bare electrical conductor using a laser device emitting radiation comprising a wavelength of between approximately 700 nm and approximately 1600 nm. figure for the abstract: figure 1

A flat cable trough support structure comprises a track clamping groove and a flat cable support. The flat cable support comprises a T-shaped body, and a space for placing a flat cable is formed in the T-shaped body; the T-shaped body is provided with a horizontal protruding end and a vertical end, an upper clamping tongue set and a lower clamping tongue set are arranged on the left side of the vertical end, the two clamping tongue sets are provided with opposite horizontal barbs, and the horizontal barbs are hung in the middle clamping groove of the rail clamping groove. According to the flat cable trough support structure provided by the utility model, the T-shaped structure with the horizontal protruding end and the vertical end is arranged, and the left side of the vertical end is provided with the plurality of groups of clamping tongues which are in interference fit and fixed with the track clamping groove, so that the flat cable support can be installed on the track clamping groove, and the disassembly and assembly are convenient.

The invention relates to the field of cable trench facilities, in particular to a cable trench with a built-in dehumidification function and a construction process and a dehumidification method of the cable trench. According to the invention, the S-shaped heating pipeline and the ventilating pipeline are pre-buried and are connected with the blowing device and the control system, and bottom heating evaporation and side wall air supply are combined to realize three-dimensional dehumidification, so that the internal humidity of the cable trench is remarkably reduced, and a dry and safe operation environment is provided for the cable. All functional pipelines and grounding grids are synchronously pre-buried in the civil engineering stage, strict plugging and fixing measures are adopted, the dehumidification function and the main body structure are integrally built, space is saved, and pre-burying precision and later implementation are guaranteed. Real-time humidity monitoring is carried out through the humidity sensor, dehumidification modes of different intensities are automatically started and stopped according to humidity values, intelligent and self-adaptive all-weather operation is achieved, the dehumidification efficiency is high, energy utilization is accurate, and the operation and maintenance cost and the manual operation intensity are greatly reduced.

The utility model discloses a quick contact type distance fine adjustment device which comprises angle iron (1) fixedly connected to a servomotor, and a fixing mechanism used for fixing a feedback steel wire rope is arranged on one side of the angle iron (1). An adjusting mechanism for finely adjusting the position of the feedback steel wire rope is arranged on the other side of the angle iron (1). The device has the advantage of fine and accurate adjustment.

The utility model relates to the technical field of electric power facility safety protection equipment, and discloses electric power facility safety protection equipment for an electric power construction site, which comprises a frame, and one side of the frame is provided with a diversion trench. The electric power facility safety protection equipment for the electric power construction site is provided with a connecting groove, a connecting block, a positioning groove, a positioning rod, a lifting plate, a knob, a screw rod and a sliding rod, the screw rod can be driven to rotate and the lifting plate is driven to ascend and descend while the knob is rotated by hand, so that the lifting plate can drive the positioning rod to ascend and descend synchronously; as the screwing directions of threads on the two sides of the lead screw are opposite, the two lifting plates drive the positioning rods to relatively ascend and descend, the positioning rods can extend into the positioning grooves to limit and fix the connecting blocks, the connecting blocks can extend into the connecting grooves to be fixed, a plurality of frames can be connected, tools do not need to be used for installation, and the installation efficiency is improved. And a plurality of frames can be quickly mounted.

The utility model discloses a waterproof fixing device, which relates to the technical field of silica gel grommets, and adopts the technical scheme that the waterproof fixing device comprises a silica gel grommet body, a positioning frame, a positioning mechanism and a pushing mechanism, the outer side of the silica gel grommet body is sleeved with the positioning frame, the positioning mechanism is arranged in the positioning frame and used for positioning and clamping the silica gel grommet body, and the pushing mechanism is used for pushing the silica gel grommet body. The pushing mechanism is arranged on the outer side of the positioning frame and used for pushing the positioned silica gel grommet body into the machine, the positioning mechanism comprises two positioning plates, the two positioning plates are both arranged in the positioning frame, the outer ends of the two positioning plates are both fixedly connected with push rods, and the two push rods extend to the exteriors of the two sides of the positioning frame correspondingly; compared with the prior art, the device has the advantages that the effect of propelling the silica gel grommet is greatly improved, meanwhile, the device is provided with an adjustable positioning structure, so that the device can position and propel the silica gel grommets of different sizes, and the working efficiency of the device is higher.

The application belongs to the technical field of power cable fixed-length taking, and discloses a cable taking equipment, which comprises at least one set of cable taking devices, and the cable taking device comprises a wire feeding assembly, a wire feeding cylinder, a wire cutting assembly and an infrared distance measuring assembly. The wire feeding assembly can deliver the cable into the through cavity of the wire feeding cylinder, and can feed the wire according to the set wire feeding length. The infrared distance measuring assembly comprises an infrared distance measurer and a sliding block. When the cable is delivered in the through cavity, the sliding block can be pushed to move. The infrared distance measurer determines the actual wire feeding length of the cable by measuring the distance between the wire cutting assembly and the sliding block. When the distance between the wire cutting assembly and the sliding block measured by the infrared distance measurer is equal to the wire feeding length measured by the wire feeding assembly, the wire cutting assembly cuts the cable. The application can review the wire feeding length of the wire feeding assembly by setting the infrared distance measuring assembly, so as to determine that the actual wire feeding length is consistent with the set wire feeding length, and the waste of the cable is avoided.

A circuit renovation electric wire processing device. The traditional method is usually straightened with pliers, but the effect of straightening with pliers is poor, especially when thicker electric wires are used, the original bending part is still easy to have obvious bending, which can affect the subsequent electric wire arrangement. The utility model discloses a guide strip is arranged along the horizontal front and back direction, and the guide strip rear end upper side is installed with the clamping component, and the clamping component front is installed with the straightening component, the clamping component includes the first installation sleeve fixed on the guide strip upper side, the first installation sleeve left side middle part is opened in the first wire inlet along the front and back direction, the first installation sleeve inside lower side is fixed with the wire supporting block, the first installation sleeve inside upper side is provided with the wire pressing block, the wire supporting block upper end is opened with the arc wire supporting groove, and the wire pressing block lower end is opened with the arc wire pressing groove. The utility model is used for electric wire processing.

According to the portable rigid contact line disengagement processing device, the top of a hydraulic device is connected with a pressing rod connecting rod, an external thread at the bottom of the hydraulic device is connected with an internal thread formed in the center of a transverse support, and the top ends of two swing arm pull rods are installed at the two ends of the bottom of the transverse support; claw type buckles matched with the two sides of the bottom of the busbar are arranged at the bottom ends of the two swing arm pull rods, the top of the busbar makes contact with the bottom of the hydraulic device, and a contact line is clamped in the middle of the bottom of the busbar; the two sides of the bottom of the busbar are tightly attached to the claw-type buckles, the hydraulic device is adjusted to the proper position, the busbar is separated from the contact line toggle clip through vertical pressing of the pressing rod connecting rod, transverse supporting and pulling force generated by the swing arm pull rods on the two sides, internal calcification is processed, the contact line is placed again, and the force unloading knob is rotated to unload the hydraulic device. The busbar automatically returns to the original position, and the contact line is clamped again, so that the contact line at the groove separation position returns to the correct position; the utility model has the advantages of reduced labor intensity, convenient operation, strong practicability and the like.

Connector terminals are crimped to harness-use electric wires while various burdens on the worker are reduced. A terminal crimping unit includes a measuring section, a conveying section, a stripping section, a crimping section, a crimping confirmation section performing a crimping confirmation process based on a post-crimping image obtained by photographing electric wire end portions to which the connector terminals have been crimped, and a selective discarding section performing a selective discarding process of handing over to a subsequent step the harness-use electric wires that satisfy the crimping criteria and discarding the harness-use electric wires that do not satisfy the crimping criteria.

The utility model discloses a cable grid bridge system comprising a turning bridge which is composed of a plurality of bridge units arranged in a divergent manner to form an inner arc structure and an outer arc structure. Each bridge unit comprises two parallel U-shaped wefts and a plurality of radial line units, each U-shaped weft is composed of an outer vertical beam, a bottom beam and an inner vertical beam, and each radial line unit comprises a bottom radial line unit, an outer diameter line unit and an inner diameter line unit which are respectively connected to different parts of the corresponding U-shaped weft; the outer diameter line units are connected to form a continuous bridge outer diameter line; the inner vertical beams of the adjacent bridge units abut against each other, the inner diameter line unit is provided with two ends, reinforcing ribs are welded between the bottom beams, a bridge bottom diameter line is formed, and therefore the turning bridge system is low in cost and convenient to manufacture.