1124results about "Optical fibre/cable installation" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention provides an emergency communication link deployment method and system and a readable storage medium. The method comprises the following steps: determining a starting base station and a target base station of a to-be-deployed emergency communication link based on damaged base station information in a disaster area; taking the position of the starting base station as the starting point of the unmanned aerial vehicle, taking the position of the target base station as the terminal point of the unmanned aerial vehicle, and calculating the initial route and route distance of the unmanned aerial vehicle; determining the specification of an optical fiber storage bucket of the unmanned aerial vehicle according to the route distance; and the unmanned aerial vehicle is controlled to fly along the initial air route, the optical fiber is led out through the optical fiber outlet nozzle of the optical fiber storage barrel in the flying process, and the direction and speed of the unmanned aerial vehicle are adjusted in real time according to the bending angle detected by the bending degree sensor at the optical fiber outlet nozzle in the leading-out process. According to the method, the system and the medium, the problems of long recovery time, limited coverage and insufficient transmission bandwidth due to the fact that an existing emergency communication link deployment method mainly depends on manual cable laying or unmanned aerial vehicle carried wireless base stations can be solved.

Fibre optic cables (100), 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 (100) comprise one or more data fibre bundles (11) and armour (32) in the form of a layer of protective wires provided around the data fibre bundles (11). The cable (100) is additionally provided with outer sensing fibres (14) which replace one or more wires in the armour (32). The cables (100) 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.

A grade level utility enclosure for underground utilities connections having a tapered vertical wall structure extending continuously around an open interior region within the tapered vertical wall structure, a rim extending around a top opening to the interior of the enclosure and a bottom edge on which the enclosure is supported, a removable lid adapted for mounting on the rim over the top opening, the tapered vertical wall structure including a first wall panel section and a second wall panel section, the first wall panel section panel is smaller in circumference than the second wall panel section, and an upright rigid support bar adapted for use as a cable rack having a first end positioned in a first pocket located in the rim and a second end positioned in a second pocket located in a bracket positioned on an inside surface of the second wall panel section.

An information management system configured to calculate a length of a duct in which a cable is to be installed. The system includes: an acquisition circuitry configured to acquire first position information after the duct is installed; and a calculator configured to calculate the length of the installed duct based on the first position information. A first code is attached to a first end in a longitudinal direction of the duct. The first position information indicates a position of the first end, and the first code stores the first position information.

A cable enclosure assembly includes an enclosure, a cable spool and a length of fiber optic cable. The enclosure defines an interior region, a first opening and a second opening aligned with the first opening. The first and second openings provide access to the interior region. The cable spool is disposed in the interior region of the enclosure and is rotatably engaged with the enclosure. The cable spool includes a drum and a flange engaged to the drum. The flange has an outer peripheral side, a cable management portion and an adapter bulkhead portion. The adapter bulkhead portion extends outwardly from the cable management portion and forms a portion of the outer peripheral side. The length of the fiber optic cable is dispose about the drum of the cable spool.

A kind of pipeline optical cable connector and method for using, the pipeline optical cable connector includes hollow connecting flange, the lower outer periphery of the connecting flange is used to be welded with pipeline opening, the hollow interior of the connecting flange has sensing optical cable seat, sealing between the sensing optical cable seat and the connecting flange, the hollow interior of the sensing optical cable seat is sensing optical cable hole for sensing optical cable to pass, the upper part of the sensing optical cable seat has upper protruding part protruding from the top of the connecting flange, the lower part of the upper protruding part is fixed with the outer periphery of the upper part of the connecting flange by upper locking nut.The pipeline optical cable connector and method for using of the present application can quickly and conveniently realize the sealing between sensing optical cable in pipeline and pipeline, and the construction is simple;And can be repeatedly used, if sealing ring is aged, just replace sealing ring.If sensing optical cable needs to expand the number of optical fibers, or replace, repair sensing optical cable, it is very convenient.

A cable management device having a cap with cable channels and an aperture through which a plug is removably coupled to secure the cable management device into an accessory mounting slot. The cable channels can be open on a bottom of the device to accept one or more cables and capture them between the cable management device and a surface of the object with the accessory slots. The cable management device enables toolless installation, secured mounting in the absence of a cable, cable routing in multiple orientations and the ability to hold more than one cable at a time.

The utility model relates to a detachable optical fiber wire arranging device which comprises an outer cylinder, a wire arranging block used for arranging optical fiber wires is vertically inserted in the outer cylinder, the wire arranging block and the outer cylinder move synchronously, and the top and the bottom of the wire arranging block and the top and the bottom of the outer cylinder are located on the same horizontal plane respectively. A limiting sliding groove is formed in the inner side of the outer cylinder in a surrounding mode and communicates with the interior of the outer cylinder, a plurality of limiting sliding blocks in sliding fit with the limiting sliding groove are formed on the wire arranging block, the limiting sliding blocks are transversely located outside the wire arranging block, and the limiting sliding blocks are distributed in a surrounding mode along the wire arranging block. And the wire arranging block is limited in the outer cylinder through mutual cooperation of the limiting sliding block and the limiting sliding groove, and through mutual cooperation of the structures, the defects that most of common wire arranging devices in the market at present are integrated, and the integrated wire arranging device is characterized in that when the integrated wire arranging device is damaged, only the whole wire arranging device can be replaced, and the whole wire arranging device cannot be replaced are effectively overcome. The replacement cost is high, and the enterprise burden is increased.

The invention discloses a deep sea communication detection cable joint box and an integration method thereof, the deep sea communication detection cable joint box comprises a bending limiter, an outer layer cone, an inner layer cone, end covers, a photoelectric separation assembly, a heavy frame, a fiber coiling box and a shell, the end covers are arranged at two ends of an inner cavity of the shell, the inner layer cone is arranged on the outer side of the end covers, the outer layer cone sleeves the outer side of the inner layer cone, and the photoelectric separation assembly is arranged on the outer side of the outer layer cone. First connecting screws connected with the end covers are arranged on the outer-layer cone, the bending limiting devices are arranged at the two ends of the shell, the heavy frame is arranged in the shell and connected between the end covers on the two sides, and the fiber coiling box is arranged in the heavy frame to conduct optical fiber connection of the two sections of the probing cables. The photoelectric separation assemblies are arranged in the heavy frame and located at the ends of the corresponding probing cables, the heavy frame or the fiber coiling box is internally provided with an electric unit connection part for connecting the photoelectric separation assemblies on the two sides, connection is reliable, integration is rapid, stability is high, sealing performance is good, and tensile strength is high.

The present invention discloses a deep-sea sounding cable junction box and an integration method thereof, comprising: a bend limiter, an outer cone, an inner cone, an end cover, an optoelectronic separation component, a bearing frame, a fiber coiling box and a shell, the end covers are arranged at both ends of the inner cavity of the shell, the inner cone is arranged on the outside of the end cover, the outer cone is sleeved on the outside of the inner cone, and clamps the armored steel wire on the sounding cable, the outer cone is provided with a first connecting screw connected to the end cover, the bend limiter is arranged at both ends of the shell, the bearing frame is arranged in the shell and connected between the end covers on both sides, the fiber coiling box is arranged in the bearing frame to connect the optical fibers of two sections of sounding cables, the optoelectronic separation component is arranged in the bearing frame and is located at the end of the corresponding sounding cable, the bearing frame or the fiber coiling box is provided with an electrical unit connecting part connecting the optoelectronic separation components on both sides, the connection is reliable, the integration is fast, the stability is high, the sealing is good, and the tensile strength is high.

The utility model provides an optical cable fixing device. The optical cable fixing device comprises a first arc-shaped metal sheet, a second arc-shaped metal sheet and an end closed-loop assembly, the end closed-loop assembly comprises a first connecting piece and a second connecting piece; the first connecting piece is arranged at one end of the first arc-shaped metal sheet, and the second connecting piece is arranged at one end of the second arc-shaped metal sheet; the first arc-shaped metal sheet is provided with protruding parts, the second arc-shaped metal sheet is provided with clamping hole parts, the number of one of the protruding parts and the clamping hole parts is at least one, the number of the other one of the protruding parts and the clamping hole parts is at least two, and the protruding parts and the clamping hole parts are connected in a clamped mode. The first connecting piece and the second connecting piece are connected to form a holding closed ring between the first arc-shaped metal sheet and the second arc-shaped metal sheet; the protruding part is connected with the different clamping hole parts in a clamped mode so that the inner diameter of the holding closed ring can be adjusted. The problem of unstable fixation of the optical cable can be solved.

The utility model relates to the technical field of optical fiber array assembling equipment, and discloses an efficient optical fiber array assembling machine which comprises a workbench, a material carrying frame, a material carrying mechanism, a fiber penetrating assembling mechanism, a dispensing mechanism, a bottom image acquisition mechanism, a bottom plate and a cover plate, the material carrying frame is arranged at the top of the workbench, the material carrying mechanism is arranged on the front side of the material carrying frame, and the fiber penetrating assembling mechanism is arranged on the bottom plate. The fiber penetrating assembly mechanism, the dispensing mechanism and the bottom image acquisition mechanism are arranged at the top of the workbench and located on the front side of the carrying frame, and a feeding mechanism located on the left side of the fiber penetrating assembly mechanism is arranged at the top of the workbench. According to the efficient optical fiber array assembling machine, rapid and continuous feeding of the bottom plate and the cover plate can be achieved without shutdown, smooth proceeding of the production process is guaranteed, time waste caused by material replacement due to shutdown is reduced, manual operation is reduced, the continuous operation capacity and the machining efficiency of equipment are remarkably improved, and the production cost is reduced. And the use of a user is facilitated.

The application relates to an incoming cable fixing assembly and a use method, and relates to the technical field of optical fiber communication. The incoming cable fixing assembly comprises a base provided with an opening for clamping an optical cable on one side, and further provided with a receiving groove in the base; and an optical cable fixing structure fixed in the receiving groove, wherein the optical cable fixing structure comprises two clamping ends arranged at intervals, the two clamping ends extend out of the receiving groove to form a clamping area in communication with the opening and used for clamping the optical cable. The application is simple to install and disassemble, has strong compatibility, and can be disassembled and replaced while ensuring stability.

To suppress generation of failures in a connection part of a communication line.SOLUTION: A holding structure for holding a connection part of a communication line around a wire includes: an attachment member; a case for containing the connection part of the communication line; and a fixation member provided in the attachment member. The attachment member is configured so that the connection part of the communication line can be arranged, and the case is attached to the attachment member. The fixation member is configured so that the attachment member can be fixed to the wire. The attachment member is fixed to the wire at a variable angle.SELECTED DRAWING: Figure 1

To provide a transmission line connecting apparatus with which ease of work can further be improved.SOLUTION: The present invention comprises: a bracket 2 that can be fixed to an installation place; a connecting apparatus body 3 having a plurality of terminals 31 for connecting a transmission line L1; and a coupling structure 4 for coupling the bracket 2 and the connecting apparatus body 3. The bracket 2 and the connecting apparatus body 3 have their coupling parts arranged facing each other. The coupling structure 4 includes: a base unit 400 which is attached to the bracket 2 in the state of being rotatable around a first axial line extending along one of a first direction in which the coupling part of the bracket 2 and the coupling part of the connecting apparatus body 3 face each other and a second direction crossing the first direction; and a holding unit 402 integrated with the base unit 400, for holing the connecting apparatus body 3 in the state of being rotatable around a second axis line extending along the other direction of either the first direction or the second direction.SELECTED DRAWING: Figure 2