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1437results about "Optical fibre/cable installation" patented technology
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Method and system for monitoring laying state of pipeline optical cable based on artificial intelligence
ActiveCN120178669AData processing applicationsSubsonic/sonic/ultrasonic wave measurementData setAlgorithm
The invention provides a pipeline optical cable laying state monitoring method and system based on artificial intelligence, and the method comprises the steps: obtaining an optical cable vibration signal, and generating a vibration feature data set based on the optical cable vibration signal; constructing a mechanical equilibrium equation based on the vibration characteristics of the vibration characteristic data set, and calculating the stress states of the optical cable in different pipeline environments; obtaining the current laying tension, generating a control strategy, and adjusting the laying tension to obtain an updated tension value; constructing an anomaly detection model of the spatial-temporal characteristics to generate an anomaly score, and identifying whether the optical cable is abnormal or not in real time; and generating an updated laying strategy and a construction quality report based on the corrected tension control signal. The problems of abnormal stress, monitoring lag, lack of intelligent optimization and the like in the prior art can be effectively solved, and the safety, stability and construction efficiency of optical cable laying are improved.
Owner:GUANGDONG DING XI TONGXIN IND CO LTD
Robot for laying rainwater pipe optical fibers
The utility model relates to the technical field of optical fiber laying, and discloses a robot for laying a rainwater pipe optical fiber, which comprises a robot body, and the robot body comprises a power bin head, a cable bin, a glue bin and a power tail bin; a liftable second unpowered supporting leg is movably mounted at the top of the glue bin; the interior of the cable bin is hollow, a take-up roller used for take-up is rotationally installed in the cable bin, a first unpowered supporting leg is movably arranged at the top of the cable bin, and through modular design, assembling, function adjustment and equipment function completion are facilitated; due to wireless data transmission, the equipment can enter more complex environments; videos are transmitted in real time, and the bonding effect can be observed and stored for future reference; and through connection of the corrugated connecting pipe, adaptability to the pipeline environment complexity degree is guaranteed, cables can be protected, the device can adapt to pipelines with different inner diameters within a certain range, adaptability is high, and the practical effect is good.
Owner:ZHIHE (TANGSHAN) INTELLIGENT EQUIP CO LTD
Easily-torn butterfly-shaped optical cable capable of preventing optical fiber from being excessively twisted
ActiveCN120469021AOptical fibre/cable installationFibre mechanical structuresEngineeringMaterials science
The invention discloses an easy-to-tear butterfly-shaped optical cable for preventing an optical fiber from being excessively twisted, relates to the technical field of optical cables, and can effectively solve the problem that the performance of the butterfly-shaped optical cable is affected after the butterfly-shaped optical cable is excessively twisted in the prior art. The embodiment of the invention discloses an easy-to-tear butterfly-shaped optical cable for preventing excessive twisting of an optical fiber, which comprises a butterfly-shaped sheath and an optical fiber unit arranged in the butterfly-shaped sheath, an annular cavity is arranged in the middle of the butterfly-shaped sheath, and a protection assembly is sleeved on the optical fiber unit; the device further comprises a plurality of flexible traction pieces arranged in the annular cavity, one ends of the flexible traction pieces are fixed to the inner circumferential wall of the annular cavity, the other ends of the flexible traction pieces are fixed to the outer circumferential wall of the protection assembly, and the length of the flexible traction pieces in the straightened state is larger than the distance between the two ends of the flexible traction pieces.
Owner:SICHUAN TIANFU JIANGDONG TECH CO LTD
Integrated transmission line installation system
ActiveUS12272934B2Cable installations in underground tubesOptical fibre/cable installationControl theoryMechanical engineering
An integrated transmission line installation system includes a transmission line conveying system that operates to install a transmission line within a conduit by advancing the transmission line through the conduit. The conduit includes at least a first segment and a second segment. The segments are evaluated to determine a full route including the routes of the first and second segments, and an installation plan is generated based at least in part on the full route. The transmission line conveying system includes two or more transmission line conveying apparatuses, a first that controls the advancement of the transmission line through the first segment, and a second that controls the advancement of the transmission line through the second segment. The transmission line conveying system controls and synchronizes the operation of the transmission line conveying apparatuses according to the installation plan so that the transmission line can be continuously installed through the full length of the conduit in a single pass.
Owner:CO CONDUX INT INC
Unmanned laying detection device for optical cable installation
The invention relates to the technical field of optical cable installation and detection, in particular to an unmanned laying detection device for optical cable installation, which comprises a main machine body, and two side walls of the main machine body are movably provided with electric control turnover type supporting arms. According to the unmanned laying detection device for optical cable installation, the unmanned robot is adopted to lay and detect the optical cable in the pipeline, so that the manual operation difficulty can be greatly reduced; the height of the main machine body can be adjusted and limited according to the size of a pipeline by arranging the electrically-controlled overturning type supporting arms which can be overturned on the two sides, and the pipeline conveying device can adapt to pipelines of different states and specifications and is wider in application range. According to the whole device, optical cables are installed and guided through the bottom assembling frame of the inverted-T-shaped structure with the height adjustable, internal optical fibers can be pulled or guided, and early-stage installation and later-stage detection and maintenance are greatly reduced.
Owner:FAR EAST COMMUNICATIONS CO LTD
Optical fiber monitoring device, optical fiber laying method and monitoring method for curing deformation of super-thick foam sandwich composite material component
ActiveCN119659052Astable temperatureeasy to makeOptical fibre/cable installationThermometers using physical/chemical changesFiberFiber gratings
The invention provides an optical fiber monitoring device, an optical fiber laying method and a monitoring method for curing deformation of a super-thick foam sandwich composite material component. The device comprises a flat plate mold, a foam core layer with a chamfer on one side, a plurality of cut prepregs and an optical fiber protection mold. According to the device and the method, the application range of the fiber grating sensor in the curing monitoring field is widened, and the temperature and the strain in the curing process of the super-thick foam sandwich component are monitored in real time by using the optical fiber protection mold and the improved optical fiber laying method for relatively thick composite components such as the super-thick foam sandwich component.
Owner:HARBIN INST OF TECH
Maintenance tool special for power transmission line optical cable strain insulator string hardware fitting
The utility model discloses a special maintenance tool for power transmission line optical cable strain insulator string fittings, which comprises two groups of connecting frames, an optical cable clamping fixture and a movable pull rod, the connecting frames are respectively a connecting frame I and a connecting frame II, a clamping groove is arranged in the middle of each connecting frame, the optical cable clamping fixture is clamped at the clamping groove, and the movable pull rod is connected with the optical cable clamping fixture. The optical cable clamping fixture comprises a cable clamping device and a clamping sleeve, the cable clamping device is installed in the clamping groove, and the clamping sleeve is installed outside the clamping groove; the two ends of the first connecting frame and the two ends of the second connecting frame are connected through movable pull rods. According to the utility model, a double-side connection structure, double-side tensioning and two sets of optical cable clamping fixtures are arranged, so that the power transmission line optical cable strain insulator string fitting is safer and more stable during maintenance and replacement; the conical resistance optical cable clamping fixture is arranged, installation is rapid, the clamping sleeve enables the cable clamping device to be more stable in the clamping groove, the clamping ring is arranged in the clamping groove of the cable clamping device, an optical cable is clamped more stably, and the surface of the optical cable cannot be damaged.
Owner:MAINTENANCE CO STATE GRID QINGHAI ELECTRIC POWER +2
An outdoor optical cable that is easy to connect quickly
ActiveCN119395844Bquick connectionImprove work efficiencyOptical fibre/cable installationFibre mechanical structures
The invention discloses an outdoor optical cable that is easy to connect quickly, and belongs to the technical field of outdoor optical cables. The invention discloses an outdoor optical cable that is easy to connect quickly. The outdoor optical cable that is easy to connect quickly drives an extrusion rod into a circular groove of a first optical cable through a second optical cable, and the extrusion rod contacts a circular plate and slides inwards. At the same time, the extrusion rod drives a limiting rod to slide along the L-shaped limiting groove and slides to the end of the L-shaped limiting groove. Subsequently, the second connecting head is rotated to drive the extrusion rod and the limiting rod to rotate slightly, and then the second connecting head is released, so that the circular plate can be pushed in the opposite direction under the action of a first spring to contact the extrusion plate and slide to the outside of the circular groove, so that the limiting rod slides to another position of the L-shaped limiting groove, and the limiting rod drives the extrusion rod to limit, thereby fixing the first connecting head and the second connecting head, thereby achieving the effect of quickly connecting the optical cable, which is helpful to improve the working efficiency of connecting between optical cables and reduce the labor intensity of workers.
Owner:JIANGSU HUAMAI OPTOELECTRONICS TECH CO LTD
Cable and method of manufacturing a cable
PCT designated stage expiredWO2025104438A1Optical fibre/cable installationFibre mechanical structuresPolymer meltMechanical engineering
A cable (102, 510) has a functional core extending in a longitudinal direction and a sheath (524) surrounding said core such that an outer surface of said sheath forms an outer surface (532) of the cable. The outer sheath is formed around the core by extrusion (722) from a polymer melt. An outer part (726) of the extrusion tooling is maintained at a temperature lower than the melting point of the polymer by such an amount that an irregular texture is continuously imparted to the outer surface (532) of the cable. A miniature fibre optic drop cable made in this way can be delivered more than 250 m through a microduct by pushing alone, without the need for blowing equipment.
Owner:EMTELLE UK
Transmission line installation system
PendingUS20250323476A1Optical fibre/cable installationGeological measurementsControl engineeringTransmission line
A transmission line installation system includes a transmission line conveying apparatus that operates to install a transmission line within a conduit by advancing the transmission line through the conduit. The transmission line conveying apparatus includes a plurality of components. The components include local controllers. Communication with the local controllers of the components synchronizes operation of the components during the installation of a transmission line.
Owner:CO CONDUX INT INC
Systems, methods, and apparatuses for event detection for a transmission cable or line-based system
PendingUS20250231367A1Optical prospectingOptical fibre/cable installationData transmission systemsTransmission system
Methods, systems, and apparatuses are provided for detecting events in proximity to one or more transmission lines or cables of a data, power, communications, and / or content data transmission system. Data indicating an event may be received. The data may indicate movement or deflection of a portion of the transmission line or cable. A location of the portion of the transmission line or cable may be determine. The location may be determined based on the received data. A classification of the event may be determined. For example, the classification of the event may be based on the data on the received data and the determined location. For example, the classification of the event may be determined by a machine-learning model. A response may be caused. The response may be associated with the portion of the cable. The response may be based on the classification of the event.
Owner:COMCAST CABLE COMM LLC
On-site manufacturing and road risk monitoring and early warning method of distributed optical fiber road sensor
PendingCN120447129ACladded optical fibreOptical fibre/cable installationData transformationData acquisition
The invention belongs to the technical field of intelligent traffic, and provides a distributed optical fiber road sensor on-site manufacturing and road risk monitoring and early warning method. Comprising the steps of optical fiber unit manufacturing, concave shallow slot cutting, sensor construction, data acquisition, road surface state data conversion, scattered light time domain signal interval division, frequency domain conversion and filtering processing, multi-mode feature extraction and road surface condition recognition. According to the invention, the concave shallow slot is cut at the edge of the road, and the flat ribbon-shaped optical fiber unit is fixed in the shallow slot by using polyurea, so that the multifunctional distributed optical fiber road sensor which is integrated with the road surface, high in sensitivity, small in size, simple to install, convenient and rapid to maintain and repair and low in cost is constructed; through a zero crossing point and a noise threshold value, normal time domain signal interval judgment is optimized, and the effect of subsequent filtering processing is improved; a road surface condition identification data model is constructed through a multi-modal fusion technology, and the identification precision of multiple road surface abnormal conditions and the positioning precision of abnormal events are improved.
Owner:BEIJING BESTONE PIPELINE TECH CO LTD
Optical cable laying traction equipment
ActiveCN120559811AOptical fibre/cable installationFibre mechanical structuresPull forceElectric cables
The invention relates to the technical field of optical cable traction equipment, in particular to optical cable laying traction equipment. The device comprises a traction machine, a plurality of pipelines and a plurality of supporting units, a plurality of optical cable bodies can be laid at the same time, and the optical cable bodies and the steel cables are separated by arranging the supporting discs and the supporting rings, so that the problem of abrasion caused by mutual friction between the optical cable bodies and the steel cables and between the optical cable bodies and pipelines in the traction process is solved. Besides, as the optical cable bodies and the steel cable are clamped by the supporting disc and the supporting ring, the pulling force of the traction machine is equally distributed to the multiple optical cable bodies in the laying process, compared with the prior art, the traction force borne by the optical cable bodies is smaller, in addition, the structure can only pull the steel cable, and the operation is convenient. The optical cable body is only clamped by the supporting disc and the supporting ring and is not subjected to extra traction force of a traction machine, the problem that the optical cable body is damaged due to too large traction force is solved, the integrity of laid cables is guaranteed, and the laying effect is guaranteed.
Owner:JIANGXI FANGXING SCI & TECH CO LTD +1
Optical fibre clip
Herein is described a fixing of unitary construction for securing an article to a surface, comprising; a coupling arrangement (104), for coupling the article to the fixing, wherein the fixing comprises barbs (114) which increase the friction between the fixing and the hole; and an elongate member (106) extending from the coupling arrangement; the elongate member comprising a bend (108) which is located substantially midway along the length of the elongate member, the bend defining a first portion (110) and second portion (112) of the elongate member; wherein the first and second portions are resiliently biased away from each other, and the first portion extends between the coupling arrangement and the bend, and the second portion extends towards the coupling arrangement from the bend, forming a gap suitable for the article, between the second portion and the coupling arrangement; wherein the gap size is adjusted by varying the distance between the first and second portions of the elongate member.
Owner:LINIAN LAB LTD
Method and system for realizing efficient optical fiber wiring planning based on intelligent path planning algorithm
The invention relates to the technical field of optical fiber wiring, and discloses a method and system for realizing efficient optical fiber wiring planning based on an intelligent path planning algorithm, and the method comprises the steps: constructing a spatial topology model corresponding to a wiring region; performing gridding processing on the spatial topology model to obtain a spatial topology grid, and calculating an optical fiber installation cost between an initial installation node and a subsequent installation node; planning an optical fiber installation line between the initial installation node and the subsequent installation node in the spatial topology grid, and carrying out adaptive modeling on the optical fiber and the spatial topology model in the optical fiber installation line to obtain an optical fiber adaptive virtual model; evaluating the optical fiber interference degree between the optical fibers in the optical fiber adaptive virtual model, calculating the line complexity corresponding to the optical fiber installation line, and calculating the environmental coupling degree corresponding to the optical fibers in the optical fiber installation line; and performing line optimization processing on the optical fiber installation line to obtain an optimized installation line of the optical fiber in the to-be-installed area. The invention mainly aims to solve the problem of low optical fiber wiring efficiency.
Owner:SHENZHEN INNOVATION SHENGWEI TECH CO LTD
Optical fiber array packaging auxiliary device
ActiveCN120405880AWelding/cutting auxillary devicesOptical fibre/cable installationFiber arrayElasterell
The invention belongs to the field of optical fiber manufacturing, and discloses an optical fiber array packaging auxiliary device which comprises a base, a positioning mechanism and an adjusting mechanism, the positioning mechanism comprises a fixing seat, a positioning block and a pressing plate, the fixing seat is fixedly connected to the base and fixedly connected with a first magnetic block, and the positioning block is fixedly connected with a second magnetic block; the positioning block is provided with two groups of open slots, the two groups of open slots are respectively arranged at two ends of the positioning block, the open slots are used for accommodating optical fibers, the pressing plate is rotatably connected to the fixed seat, and the pressing plate can abut against the end surfaces of the open slots; the adjusting mechanism comprises a clamping assembly and a moving assembly, the clamping assembly comprises a driving part, an elastic part and two clamping plates, the driving part is used for driving the two clamping plates to be away from each other, the elastic part is used for driving the two clamping plates to be close to each other so as to clamp the sealing joint, and the moving assembly is used for driving the clamping assembly to move. According to the optical fiber array packaging auxiliary device, the packaging quality of optical fibers can be improved, and the production efficiency is improved.
Owner:A-ONE TECH LTD
An optical cable opening and releasing device with adjustable tension and cutting angle
The utility model relates to an optical cable opening and releasing device with adjustable tension and cutting-in angle, comprising a metal disc, an angle scale panel being arranged on the metal disc, a cable core threading shaft hole being arranged at the center, and a rotating pointer being riveted through the cable core threading shaft hole, a pointer threading hole being arranged at the end of the rotating pointer, a supporting threaded rod being passed through the metal disc, a supporting panel being installed at one end of the supporting threaded rod, a guide wheel panel being fixedly connected to the other side of the supporting panel, a panel threading hole being arranged on the supporting panel, a guide wheel panel groove being arranged in the guide wheel panel, two movable tension guide wheels being arranged in the guide wheel panel groove, and the tension of the opening cable can be controlled by adjusting the spacing thereof, and a circle of tension guide wheel sunken grooves being arranged on the outer circumferential surface of the tension guide wheel; the utility model can control the cutting-in angle of the opening cable entering the machine head according to the design of the optical cable stripping requirements, and can ensure that the opening cable is stable in the cable to ensure the designed angle, and the opening cable tension is adjustable.
Owner:YANGTZE OPTICAL FIBRE & CABLE (SHANGHAI) CO LTD
Intermittent framework optical cable easy to draw out and connect
PendingCN120195827AOptical fibre/cable installationFibre mechanical structuresEngineeringOptical fiber cable
The invention relates to the technical field of optical fibers and cables, and particularly discloses an intermittent framework easy-to-pull-out optical cable which comprises a framework, an optical unit, an outer sheath and a color strip. The framework is composed of feeder lines, non-metal reinforcing cores, edges and a framework sheath. The framework axially extends outwards in the radial direction to form a plurality of ridges which are intermittently distributed in the longitudinal axial direction of the framework; a plurality of strands of optical units are arranged and are uniformly distributed in the space at the periphery of the framework; the skeleton and the optical unit are wrapped by an outer sheath. The outer wall of the outer sheath is provided with a plurality of groups of color strips with different colors, and the color strips are used for positioning the light unit. The intermittent framework optical cable easy to draw out and connect is excellent in comprehensive performance, and compared with a traditional framework structure, the unique intermittent framework structure has the advantages that the optical units are distributed in the optical cable in a curve mode, and the tensile capacity of the optical cable can be effectively improved; the optical units and the reinforcing members are separated one by one and do not interfere with each other, so that the optical units and the reinforcing members can be used in a longer distance. When the optical cable is damaged and has a breakpoint, the feeder line is used to position the breakpoint, which is more convenient and efficient.
Owner:YANGTZE OPTICAL FIBRE & CABLE (SHANGHAI) CO LTD +1
Improvements in or relating to fibre optic cables
PCT designated stageWO2026003476A1Optical fibre/cable installationFibre mechanical structuresElectrical conductorElectric cables
Fibre optic cables 101-120, for use in a data communications network are adapted to be laid, along at least part of their length within a pipe (or conduit) 1 carrying a fluid and comprise fibres adapted for sensing the condition within or in the vicinity of the pipe 1. The cables 101-120 are constructed with sensing fibres 12 provided in edge interstitial spaces 19 between data fibre bundles 11. In further embodiments, the cables may comprise electrical conductors 22, 23 or one or more power fibres 15. Optionally, the cable is additionally provided with outer sensing fibres 14 which replace one or more wires in the armour 32. The cables 101-120 are optionally adapted to remain stably positioned in the invert 2 of the pipe 1 by suitable selection of stiffness and relative density compared to the fluid and / or the provision of surface formations to reduce lift and / or drag forces experienced by the cable as a result of fluid flow.
Owner:CRALEY GROUP LIMITED
Method for laying optical fiber cable
A method for laying an optical fiber cable including a cable core, a cable sheath that includes an inner jacket and an outer jacket, and a tensile strength member, a first kinetic friction coefficient of the outer jacket being smaller than a second kinetic friction coefficient of the inner jacket to the duct, first flame retardance of the inner jacket being higher than the second flame retardance of the outer jacket. The method includes wiring the optical fiber cable in an outdoor side via the duct, drawing the optical fiber cable from the outdoor side to an indoor side, making a part of the optical fiber cable as an optical fiber cable for indoor wiring by removing the outer jacket after the drawing of the optical fiber, and wiring the optical fiber cable for indoor wiring in the indoor side.
Owner:SUMITOMO ELECTRIC INDUSTRIES LTD
Optical fiber splice closure with positioning function and application system
PendingCN121596485AOptical fibre/cable installationFibre mechanical structuresFiber-optic communicationCommunication device
The invention relates to the technical field of optical fiber communication equipment, and discloses an optical fiber splice closure with a positioning function and an application system. The junction box body is composed of a bottom box frame and a top box cover, the top box cover is installed at the top of the bottom box frame through bolts, pipe inlet holes are formed in the two sides of the junction box body, and the pipe inlet holes are used for leading external optical fiber pipes into the junction box body; the bottom box frame is provided with a welding disc, the welding disc is used for connecting optical fiber pipe joints, the top of the welding disc is provided with a low-frequency RFID positioning module, and through the arrangement of the low-frequency RFID positioning module on the optical fiber splice closure, when optical fiber pipe transmission goes wrong, through a positioning management system, the optical fiber splice closure can be accurately positioned. A worker can quickly obtain the position information of the fault junction box and formulate an optimal maintenance route, so that the maintenance efficiency is improved, the network interruption time caused by a fault is reduced, and the stable operation of a communication network is ensured.
Owner:SHANGHAI CONTRON INFORMATION TECH CO LTD +1
Distributed optical fiber micro-seismic sensing device and tunnel monitoring method
ActiveCN121115101AMining devicesSubsonic/sonic/ultrasonic wave measurementVibration measurementAcoustics
The invention relates to a distributed optical fiber micro-seismic sensing device and a tunnel monitoring method, and belongs to the technical field of micro-seismic monitoring, the distributed optical fiber micro-seismic sensing device comprises a plurality of vibration measurement sensitization assemblies installed on the same tunnel section, and the plurality of vibration measurement sensitization assemblies are connected through distributed sensing optical cables; distributed sensing optical cables in the vibration measurement sensitization assembly are arranged in the radial direction of the tunnel and used for monitoring vibration signals of hidden and micro crack development of surrounding rock near the tunnel face in the radial direction. During monitoring, the vibration measurement sensibilization assembly at the head end or the tail end of the distributed optical fiber microseismic sensing device is sequentially connected with the distributed optical fiber demodulator, the monitoring host and the monitoring center to form a microseismic sensing monitoring network. The method for monitoring the tunnel by adopting the distributed optical fiber micro-seismic sensing device can realize the axial and radial sensing of the vibration signal, and overcomes the defect that the distributed sensing optical fiber is only sensitive to the axial vibration signal but not sensitive to the radial vibration signal.
Owner:NORTHEASTERN UNIV CHINA +2
Method and device for monitoring phase state of full well section in carbon dioxide geological sequestration shaft
The invention relates to the technical field of carbon dioxide geological sequestration, and particularly discloses a full-well-section phase state monitoring method and device in a carbon dioxide geological sequestration wellbore, the device comprises an underground monitoring system and a ground acquisition system, and temperature distribution of a full well section and strain distribution of an oil pipe can be obtained; calculating the carbon dioxide pressure distribution of the whole well section according to the strain distribution of the oil pipe, and associating the phase state of each depth position with the space coordinate of the shaft by combining the carbon dioxide phase state diagram to obtain the carbon dioxide phase state distribution diagram of the whole well section. According to the invention, continuous and high-precision monitoring can be carried out on the carbon dioxide phase change in the carbon dioxide injection process, and a key technical support is provided for geological sequestration safety and efficiency evaluation.
Owner:HUANENG COAL TECH RES CO LTD +2
Submarine cable dynamic anchoring device for submarine cable construction and use method of submarine cable dynamic anchoring device
PendingCN120184839ACable installations on groundOptical fibre/cable installationClassical mechanicsStructural engineering
The invention discloses a submarine cable dynamic anchoring device for submarine cable construction and a using method thereof, and relates to the field of submarine cable construction.The submarine cable dynamic anchoring device comprises a base, a movable seat and a mounting seat, positioning assemblies are symmetrically mounted at the two ends of the top of the mounting seat, and threaded rods are in threaded connection with the interiors of inner cavities of the positioning assemblies; the bottom of the threaded rod is rotationally connected with a fixing assembly, the two ends of an inner cavity of the positioning assembly are symmetrically and movably connected with clamping blocks, the two ends of an inner cavity of the movable base are symmetrically and movably connected with movable plates, a soft cushion is installed in the center of the top of the movable base, and the two ends of the two sides of the movable base are symmetrically and movably connected with locking assemblies. According to the submarine cable dynamic anchoring device for submarine cable construction and the using method of the submarine cable dynamic anchoring device, the device can be dynamically adjusted according to the size and the mounting angle of a submarine cable, the mounting and using effects of the submarine cable can be improved on the basis, and meanwhile subsequent submarine cable taking-out for maintenance work is facilitated.
Owner:HENGTONG OCEAN ENG CO LTD
Distributed optical fiber negative pressure adsorption wiring device
A distributed optical fiber negative pressure adsorption wiring device disclosed by the present invention comprises a vehicle body, the vehicle body comprises a vehicle frame, a vehicle shell wrapping the outer surface, a wiring unit, a support plate, a control unit, a negative pressure adsorption unit and a motion unit, the negative pressure adsorption unit comprises a negative pressure chamber, a fan and a brushless direct current motor, the fan is arranged on an output shaft of the brushless direct current motor, and the fan is arranged on the output shaft of the brushless direct current motor. The moving unit comprises a crawler belt and a power wheel, the supporting plates are arranged on the front face and the rear face of the vehicle shell, the wiring unit comprises a cable disc, a cable feeding assembly, a gluing assembly, a guiding assembly, a front pressing assembly and a rear pressing assembly, the cable disc and the cable feeding assembly are arranged on the upper surface of the vehicle shell, and the gluing assembly is arranged above the supporting plates and located in front of the cable feeding assembly. The guiding assembly is arranged in front of the supporting plates, the front pressing assembly is arranged on the outer side face of the front supporting plate, the rear pressing assembly is arranged on the outer side face of the rear supporting plate, and the control unit is arranged on the frame and electrically connected with the negative pressure adsorption unit, the movement unit and the wiring unit.
Owner:JINAN URBAN CONSTRUCTION GROUP CO LTD
A prefabricated terminated butterfly optical fiber cable
ActiveCN119376048BOptical fibre/cable installationFibre mechanical structuresOptical fiber cableMaterials science
The present invention belongs to the technical field of optical cables, and particularly relates to a prefabricated and terminated butterfly-shaped optical fiber cable. The transition structure therein includes: a central plate provided with a central through-hole and side through-holes; an outer sleeve covering the periphery of the central plate, forming a first groove and a second groove on both sides of the central plate respectively. The first groove covers the end of the outer sheath shorter than the optical fiber and the strengthening element. The end of the optical fiber extends out from the second groove, and the end of the strengthening element is located inside the second groove; a locking member fixed to the end of the strengthening element; a card slot is provided in the second groove, and at least two elastic pins are symmetrically arranged at the end of the connector. The elastic pins are partially embedded in the card slot through deformation. Based on the above prefabricated and terminated butterfly-shaped optical fiber cable in the present invention, when the optical cable is subjected to tensile force or vibration, the mechanical stress borne by the optical fiber can be effectively shared through the transition structure, thereby avoiding stress concentration on the optical fiber, reducing the probability of micro-bending, fracture or deterioration of optical performance of the optical fiber, and improving the signal transmission quality.
Owner:JIANGSU NANFANG COMM TECH +1
Optical cable laying device and laying method thereof
ActiveCN120389337AFilament handlingOptical fibre/cable installationAgricultural engineeringStructural engineering
Owner:NINGBO MOGUYUN BIG DATA TECH DEV CO LTD
Stretch-resistant optical cable
ActiveCN120847962AOptical fibre/cable installationFibre mechanical structuresMechanical engineeringMaterials science
Owner:TAI ZHOU ZHI HUI XIN CAI LIAO KE JI YOU XIAN GONG SI
Optical fiber array arranging and bundling device and arranging method thereof
PendingCN120972319AOptical fibre/cable installationCoupling light guidesCircular discManufacturing technology
The invention is suitable for the technical field of optical fiber precision machining and integrated manufacturing, and provides an optical fiber array arranging and bundling device and an arranging method.The optical fiber array arranging and bundling device comprises a main body assembly, a circular disc body and a U-shaped groove body, the main body assembly comprises two bases and a vertical plate installed at the tops of the two bases, and a gap is formed between the two bases; the device solves the problems that a manual arrangement method is low in efficiency and consumes a large amount of time and manpower, optical fibers are prone to dislocation due to factors such as manipulation differences of operators and visual fatigue, and application requirements of mass production and multi-core precise layout are difficult to meet. According to the device, the angle-adjustable supporting seat is arranged to be matched with the positioning protrusions placed on the flexible board, pre-arrangement positioning of optical fibers is achieved, the automatic clamping and transferring actions of the transferring assembly and the angle calibration function of the positioning mechanism on the circular disc body are combined, the dislocation problem caused by human factors in manual arrangement is avoided, and the accuracy of arrangement of the optical fibers is improved. And meanwhile, human input and time consumption are reduced.
Owner:JIANGSU WELLED OPTOELECTRONICS TECH CO LTD
Single-core optical cable
PendingCN120143375AOptical fibre/cable installationFibre mechanical structuresCore (optical fiber)Electrical and Electronics engineering
The invention relates to a single-core optical cable, which comprises a sheath, a reinforcing member, a compression-resistant member, a tight sleeve and an optical fiber, the optical fiber is located at the innermost layer of the single-core optical cable and is tightly wrapped by the tight sleeve, the compression-resistant member is wrapped at the outer side of the tight sleeve, the reinforcing member is wrapped at the outer side of the compression-resistant member, the sheath wraps the reinforcing member, the compression-resistant member, the tight sleeve and the optical fiber, and the optical fiber is wrapped at the outer side of the reinforcing member. At least two continuous W-shaped grooves are formed in the outer surface of the sheath in the length direction of the sheath, and the two W-shaped grooves are distributed in the outer surface of the sheath in a spiral track mode in the longitudinal direction of the optical cable. According to the invention, the torsion resistance, the bending performance and the anti-skid performance of the optical cable are obviously improved, the optical cable is easy to peel, the problems of poor flexibility, easy twisting, difficult peeling and the like of a traditional optical cable are effectively solved, and the environmental adaptability is greatly improved so as to meet diversified application scene requirements.
Owner:SHANGHAI CHANGWEI OPTOELECTRONICS TECH CO LTD