674 results about "Transmission cable" patented technology

The invention discloses a wire stranding device for network cable production, and relates to the technical field of network cable manufacturing, the wire stranding device comprises a plurality of tension adaptation assemblies, the tension adaptation assemblies are used for stranding a plurality of single-strand wires into a network cable core wire, the plurality of single-strand wires pass through a wire coil, and the network cable core wire is guided and limited by a stranding rack; the tension adaptation assemblies are arranged on the wire coil in an annular array mode, and each tension adaptation assembly comprises a pay-off groove which is formed in the wire coil. The tension adaptation assembly can automatically adjust the position of a guide wheel according to the real-time tension of a single-strand wire, dynamically balance the tension of the single-strand wire, ensure that the tension of the single-strand wire is always maintained in an ideal interval in the twisting process, avoid tensile failure caused by too tight tension or deformation caused by too loose tension, accurately control the tension to reduce the defects of back strand, loose strand and the like, and ensure the consistency of the physical structure of a network cable; meanwhile, the stable tension is beneficial to optimizing the twisting pitch and direction, the electrical performance of the network cable is improved, and the requirement of an intelligent power distribution system for the high-frequency data transmission cable is met.

The utility model discloses an array type acoustic emission positioning device for monitoring soil deformation in real time, which belongs to the technical field of underground engineering construction and geological disaster monitoring and comprises an acoustic emission signal integrated processing box and a hollow penetration rod. An acoustic emission signal processing mechanism and a battery pack are integrated in the acoustic emission signal integrated processing box, and the acoustic emission signal processing mechanism collects and processes acoustic emission signals and gives feedback information; the penetration rod is of a hollow structure, the top end of the penetration rod is connected with the acoustic emission signal integrated processing box in a sealed mode, the lower portion of the penetration rod is composed of a plurality of sensor monomer assemblies distributed in an array mode, and the sensor monomer assemblies are electrically connected with the acoustic emission signal processing mechanism through signal transmission cables. According to the utility model, the acoustic emission source positioning technology is adopted to meet the requirements of slope stability monitoring, underground engineering construction disturbance monitoring and the like, and the system has the advantages of easy installation, strong real-time performance and high monitoring precision.

The utility model relates to a cathode mechanism and a magnetron sputtering device. The cathode mechanism comprises an end, the end comprises a supporting piece and a butt joint piece, a first wiring channel communicated with the outside is formed in the supporting piece, the butt joint piece is arranged on one side of the supporting piece, and an insertion cavity communicated with the first wiring channel is formed in the butt joint piece; the cathode target comprises a target tube and a magnetic bar connector, the target tube is detachably connected to one side of the end, the magnetic bar connector is arranged at the end, close to the end, of the target tube and inserted into the insertion cavity, and a containing cavity is formed in the magnetic bar connector; one end of the transmission cable is located outside the end, the other end of the transmission cable passes through the first wiring channel and is inserted into the containing cavity so as to be electrically connected with the magnetic bar connector, and the transmission cable is used for transmitting electric power and / or data signals. The cathode mechanism provided by the utility model is good in connection stability, and the reliability of the sputtering process is improved.

The invention discloses a broadband and high-efficiency true time delay reflective array antenna, and belongs to the technical field of antenna engineering. Through the design of the broadband horn feed antenna, the broadband butterfly-shaped dipole antenna and the real-time-delay coaxial transmission line, high-efficiency directional radiation is realized. The gain bandwidth of the multi-layer patch type reflective array antenna is much larger than that of a traditional multi-layer patch type reflective array antenna; compared with a traditional transmission line phase modulation type reflective array antenna, due to stable time delay and shielding and no resonant structure, the antenna has better gain stability, and an in-band gain curve is increased approximately linearly. Finally, the antenna is simple in structure and can be realized only by a single-layer patch structure and a common coaxial transmission cable, and high-cost laminated patch processing is not needed.

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 utility model discloses a waterproof moisture-proof underground power transmission cable, which relates to the technical field of power transmission cables and comprises a polyvinyl chloride outer sheath, a polyvinyl chloride (PVC) inner sheath and a cable core, a cross-linked polyethylene insulating sleeve is arranged on the outer side of the cable core, and woven filler is arranged between the cable core and the PVC inner sheath. A waterproof sleeve, an outer semiconductor shielding sleeve and a water swelling strip are sequentially arranged on the outer side of the PVC inner sheath from inside to outside in a contact mode, annular grooves are formed in the outer side of the water swelling strip in the axis direction of the water swelling strip at intervals, V-shaped dredging grooves are symmetrically formed in the two sides of each annular groove, and the interiors of the annular grooves and the interiors of the V-shaped dredging grooves are communicated. According to the scheme, the water swelling strip is arranged between the polyvinyl chloride outer sheath and the outer semiconductor shielding sleeve, after water seepage occurs in the cable, the water swelling strip can continuously absorb water to swell, then irregular gaps in splicing seams can be formed, and the water stopping and waterproof effects are achieved.

The invention relates to an offshore wind power plant power transmission system fault identification and early warning protection method based on data-driven state estimation, and the method comprises the steps: constructing a global state unified model adaptive to an offshore wind power heterogeneous topology, and building a state estimation model of a long-distance transmission cable; cable end measurement data are collected, and a state estimator is obtained by combining the state estimation model of the long-distance sending cable; based on the state estimator, calculating a residual error and fitting an error; and according to the residual error and the fitting error result, judging whether a fault occurs or not, carrying out fault positioning and classification, and outputting corresponding protection action and alarm information. Compared with the prior art, a distribution parameter modeling-state resolving-residual error discrimination three-layer nested architecture is adopted, a physical model and state mapping relation is constructed, the state quantity is estimated by using the least square, and the residual error amplitude, the phase angle change and the spatial distribution characteristics are fused, so that the stability of the state estimation is improved. According to the invention, high-precision fault identification and positioning can be carried out on the multi-section heterogeneous delivery cable, and timely early warning protection can be carried out.

The invention relates to a multi-signal fusion real-time deduction method for three-dimensional wave parameters along with a ship, and a deduction device consists of a state sensor, a one-way stress sensor, a vertical acceleration sensor, a shunt, a terminal junction box, a signal acquisition instrument, a host, analysis software, a signal transmission cable and the like. The deduction method comprises the processes of system state matrix discretization, transfer function calculation, Kalman filtering deduction model construction, convergence analysis, result comparison and the like, and three-dimensional time-frequency parameters of waves are deduced in real time through fusion analysis of ship motion and actual measurement data of a key position stress response sensor. Real-time information of surrounding waves can be provided for more sailing ships, more comprehensive reference basis can be provided for ship sailing and ship type optimization, and the method has practical significance and market value.

The invention belongs to the technical field of vibration control, and discloses a tuned mass damping device for controlling low-frequency vertical bending vortex vibration of a large-span bridge, which consists of a fixed pulley, a mass block, a high-strength light force transmission cable, a spring, a hanging ring and a damper. Fixed pulleys and mass blocks are arranged at the positive and negative maximum displacement positions of a longitudinal bridge direction mode of a main beam respectively, a suspension system is formed by a full-length force transmission cable, and the gravity of the two mass blocks is basically balanced; the mass block is connected through the spring and is close to the bridge vibration control target frequency. When the bridge vibrates, the two mass blocks generate inertia forces which are opposite in direction but overlapped with each other, the driving system and the bridge form resonance, and therefore bridge vibration is effectively restrained. The gravity of the mass block can be self-balanced, the strength and the number of the springs are greatly reduced compared with those of a traditional TMD, any low-frequency tuning can be conducted in a vertical limited space, and the engineering cost is remarkably reduced. The device can be used for controlling vertical bending and torsional vibration of various engineering structures; the damper is replaced by an actuator, so that active control can be realized or the damper can be used as a structural excitation device.

The invention relates to a far infrared photoelectric detector weak signal test system, which comprises a low-temperature refrigeration system, a first-stage cold head is connected with a vacuum Dewar and a low-temperature cold screen and maintains a low-temperature environment of the vacuum Dewar and the low-temperature cold screen, and a second-stage cold head cools an objective table and a detector to reduce thermal noise of the detector; the low-temperature cold shield wraps the secondary cold head and the objective table to form a thermal isolation layer, and external thermal radiation is blocked; a broadband far infrared optical filter is integrated at the position, right facing the objective table, of the low-temperature cold screen; according to the radiation source module, a vacuum Dewar is provided with an optical window; a blackbody radiation source is arranged right opposite to the optical window, and a radiation field is formed on the photosensitive surface of the detector at the objective table after the blackbody radiation source passes through the optical window and the broadband far infrared optical filter; according to the signal transmission link, the objective table is connected with the detector through a signal transmission cable; and a signal passes through the low-temperature cold shield and the vacuum Dewar and is connected to an upper computer. According to the invention, high performance, miniaturization and universality of far infrared weak signal testing are realized, and dependence on special facilities is broken through.

The invention discloses a pressure monitoring method and system based on a power transmission cable axis sensor, and belongs to the technical field of data transmission, and the method comprises the steps: S1, a sensor module collects cable traction data and self position data at a measurement time point, and transmits the data to a monitoring module through a relay module; the monitoring module generates adjustment data based on the traction force data, wherein the adjustment data comprises an adjustment numerical value and an adjustment time point; s2, the cloud storage module obtains the data sequence and verifies the data sequence, and if verification is passed, the step S3 is executed; s3, analyzing the adjustment data, if an analysis result does not meet a preset rule, extracting an adjustment time point, and defining the adjustment time point as an abnormal time point; and S4, a marking module obtains a measurement time point which is located after the abnormal time point and is closest to the abnormal time point, obtains corresponding position data based on the measurement time point, and marks an indication label. According to the invention, a manager can remotely supervise the cable laying process.

A differential signal transmission cable includes: an insulating layer that extends along a longitudinal direction of the differential signal transmission cable; a pair of signal lines that extends along the longitudinal direction of the differential signal transmission cable and is buried in the insulating layer; and a shield that exists around an outer peripheral surface of the insulating layer.

The utility model discloses a temperature sensing type super-soft mineral insulated fireproof cable in the technical field of cables. The temperature sensing type super-soft mineral insulated fireproof cable comprises a temperature measuring wire core, a transmission cable core, a flame-retardant fire-resistant wrapping tape layer, a high-flame-retardant fire-resistant isolation sleeve, a fire-resistant reinforcing protection layer and an environment-friendly outer coating sleeve from inside to outside, the transmission cable core comprises a power transmission wire core and a high-temperature-resistant bidirectional reinforcing composite insulating layer wrapping the power transmission wire core; light fire-resistant flexible filler is filled among the temperature measuring wire cores, the transmission cable core and the flame-retardant fire-resistant belting layer. The temperature sensing type super-soft mineral insulated fireproof cable can meet the normal power transmission work of the cable, and realizes the functions of high-performance power transmission, high temperature resistance, fire prevention, flame retardance, remote temperature detection and the like.

The invention relates to the technical field of seismic exploration equipment, in particular to an optical fiber signal transmission seismic cable for seismic exploration. A power line, a twisted-pair shielding signal line and an optical fiber beam tube are wrapped outside the high-pressure plastic composite hose in a cabling mode, and the power line, the twisted-pair shielding signal line and the optical fiber beam tube jointly form a cable core structure. An outer layer non-woven fabric is wrapped outside the cable core structure, a polyurethane inner sheath is extruded outside the outer layer non-woven fabric, an armor layer is wrapped outside the polyurethane inner sheath, and a polymer polyethylene sheath is extruded outside the armor layer. According to the high-pressure plastic composite hose, through the design of the double reinforcing layers of the Kevlar aramid fibers and the polyester fibers, the strength and bursting pressure of the central air pipe are remarkably improved, and the high-pressure plastic composite hose can better adapt to the complex working environment; the cable core structure adopts composite optical fiber analog signal transmission to replace a traditional digital signal seismic cable, so that the quality and efficiency of signal transmission are improved; and the armor layer adopts a double-layer steel wire armor structure, so that the overall mechanical strength and tensile property of the cable are improved.

The utility model discloses an HDMI all-optical transmission assembly, which comprises a transmission cable, a transmitting module and a receiving module, the transmission cable comprises a plurality of optical fibers, the transmitting module is arranged at a first end of the transmission cable, the receiving module is arranged at a second end of the transmission cable, and the receiving module comprises a boost submodule. The boost submodule is used for sensing the light emitted by the emission module and converting the light into a + 5V electric signal which is used as excitation voltage of hot plugging. According to the HDMI transmission assembly, the boost sub-module is arranged, so that all-optical transmission can be realized without adopting a hybrid cable or additionally arranging equipment such as a USB plug, and the structure of the HDMI transmission assembly is effectively simplified.

The present disclosure provides a transmission cable assembly for an RF coil, comprising: a transmission cable electrically connected to the RF coil; an outer sheath sleeved over the transmission cable; a plurality of traps and one or more insulating components arranged between the transmission cable and the outer sheath, wherein: the plurality of traps are sleeved over the transmission cable and spaced apart along a longitudinal axis of the transmission cable, each of one or more insulating components is placed between two adjacent traps of the plurality of traps.

The present invention relates to the technical field of marine hydrological monitoring, and in particular to an underwater profile density measurement system and method. The system comprises a survey vessel, a vessel anchor, a steel wire rope, rope guide devices, a parameter measurement device, a measurement and control transmission cable, and a data analysis system. The method comprises: connecting a vessel anchor to a steel wire rope, and then dropping the vessel anchor to a water bottom for anchoring and fixing; enabling a parameter measurement device to enter water along with a measurement and control transmission cable and to maintain movable connection with the steel wire rope; successively pulling the measurement and control transmission cable according to equally spaced markers to move upwards along the steel wire rope from an anchor point, and collecting two water pressure values at different depths and an attitude angle value measured by the parameter measurement device underwater; storing the collected data in a data analysis system, and on the basis of a built-in algorithm, obtaining the density of water around the parameter measurement device; and when the parameter measurement device moves upwards from the anchor point and leaves the water, performing integral processing on the measured data at all points to obtain the total water depth at the anchor point so as to obtain profile density values from the measurement device at different depths underwater, and drawing and generating a curve.

The invention relates to the technical field of power equipment, and discloses a high-voltage cable partial discharge detection device and an installation method, and the high-voltage cable partial discharge detection device comprises a housing, a quantum detection module, a radio frequency signal module, an optical signal module, a photoelectric conversion element, a signal analysis and processing module, and a control module. And the quantum detection module comprises a diamond which is arranged between the shell and the high-voltage cable and contains an NV color center. The radio-frequency signal module comprises a radio-frequency signal transmitting assembly, a radio-frequency signal receiving element and a radio-frequency signal transmission cable, and the radio-frequency signal receiving element is arranged on the shell. The optical signal module comprises a laser signal transmitting assembly, a first optical fiber, an optical fiber coupler and a condensing lens. The first optical fiber is connected with the photoelectric conversion element, and the photoelectric conversion element is electrically connected with the signal analyzing and processing module. According to the high-voltage cable partial discharge detection device, partial discharge detection of the high-voltage cable can be realized, and injury of high-voltage current to operators is avoided.

A liquid cooling server and a casing are provided. The liquid cooling server includes a first housing provided with a first receiving cavity and a cable hole in communication with the first receiving cavity, the first receiving cavity being configured to receive a computing element and coolant immersing the computing element, and the cable hole being configured to allow a transmission cable to extend through; a second housing provided on a side of the first housing and fixedly connected to the first housing, the second housing being provided with a second receiving cavity in communication with the cable hole, and the second receiving cavity being configured to receive an I / O module; and a liquid anti-leakage assembly provided in the cable hole, and the liquid anti-leakage assembly being configured to tightly press the transmission cable to isolate the first receiving cavity from the second receiving cavity.

The invention provides flight wind energy unit equipment, a flight acting device, a flight control device, a flight connection assembly and a flight control method. The flying wind turbine equipment (1000) comprises a floating device (1100) and a transmission cable (1300). The floating device (1100) is used to lift off so as to lift the flight crew equipment (1000) to a predetermined height. The transmission rope (1300) is arranged around the upper pulleys (1500-1, 1500-3) close to the side of the floating device (1100) and the lower pulleys (1500-2, 1500-4) close to the side of the fixed base structure (2000). The flying wind turbine arrangement (1000) further comprises a first and a second flying work device (1400-1, 1400-2) fixedly connected to the transmission cable (1300) on both sides, respectively. The first flight acting device (1400-1) and the second flight acting device (1400-2) are arranged to be capable of alternately flying up and down in a reciprocating mode so as to drive the transmission rope (1300) to move in a reciprocating mode. The flying wind turbine assembly (1000) of the present invention enables continuous work in any wind direction and transmits mechanical work to the fixed base structure (2000).

The invention relates to the technical field of high-frequency transmission cables, in particular to a high-stable-phase cable preparation technology based on a graphene PTFE composite wrapping tape, and the technology comprises the steps: controlling a traction device to pull a to-be-wrapped body to a corresponding wrapping region; the wrapping tapes of the corresponding layers are correspondingly conveyed to the corresponding wrapping positions of the wrapping area respectively; respectively obtaining the thickness of a plurality of detection point positions of the high-stable-phase test cable and the width of a wrapping tape overlapping area so as to determine an expansion area; adjusting the distance between the guide wheels according to the overlapping proportion of the overlapping area and the expansion area of the wrapping tape, or adjusting the distance between the guide wheels and the to-be-wrapped body according to the expansion length, and adjusting the wrapping angle according to the area proportion of the layered expansion area; and sequentially performing plasma surface treatment and staged hot-pressing curing to output a finished product of the high-stable-phase cable. According to the invention, the accuracy of the wrapping process and the heat control capability are improved.

The utility model is suitable for the technical field of optical fiber sensing, and relates to a double-interferometer push-pull and common-mode noise differential suppression optical fiber hydrophone, which comprises a first thin-wall cylinder, a second thin-wall cylinder, a first optical fiber interferometer and a second optical fiber interferometer, the first thin-wall cylinder is embedded in the second thin-wall cylinder, a first optical fiber winding area and a second optical fiber winding area are arranged on the first thin-wall cylinder, and a third optical fiber winding area and a fourth optical fiber winding area are arranged on the second thin-wall cylinder; the first optical fiber interferometer comprises a first short-arm sensing optical fiber, a first long-arm sensing optical fiber, a first Faraday rotating mirror and a second Faraday rotating mirror, and the second optical fiber interferometer comprises a second short-arm sensing optical fiber, a second long-arm sensing optical fiber, a third Faraday rotating mirror and a fourth Faraday rotating mirror. According to the utility model, the dual-push-pull structure is formed by the dual-fiber interferometer, so that temperature drift noise and optical scattering noise caused by the ultra-long sensing fiber are reduced, and common-mode noise formed by light source vibration, transmission optical cable jitter and the like is suppressed.

The invention discloses a cable joint early-stage defect detection method based on escaped gas, and relates to the technical field of high-voltage power transmission cable defect detection. The method comprises the following steps: collecting escape gas in a copper shell cavity of the cable joint; performing quantitative detection on the target small molecule gas in the escaping gas; and if the escaped gas contains the target small-molecule gas or the characteristic parameters such as the concentration and the growth rate of the target small-molecule gas exceed preset values, judging that the cable joint has defects. The severity degree of defect development can be judged by quantitatively detecting the small molecule gas and comparing the small molecule gas with the gas content calibrated by a specific defect. According to the invention, target small molecule gas caused by defects in escaping gas in the cavity of the copper shell is detected aiming at the cable joint which is not filled with the waterproof pouring agent, so that early defect detection of the cable joint is realized.

The invention provides a system based on cooperation of a quadruped robot and an unmanned aerial vehicle. The system comprises the quadruped robot, the unmanned aerial vehicle, a cable take-up and pay-off mechanism, a carrying platform, an electrical docking station and a main controller. A carrying flat plate is installed on the back of the quadruped robot, and a cable take-up and pay-off mechanism, a main controller, an electrical docking station and an unmanned aerial vehicle are installed on the carrying flat plate. A pressing contact assembly is assembled at the front section of the bottom of the unmanned aerial vehicle, and before a button is pressed, the angle of a contact pressure sensor is controlled to be parallel to a target button; when the unmanned aerial vehicle lands, the angle of the contact pressure sensor is controlled to be parallel to the backs of the four robots; the cable winding and unwinding mechanism is used for winding and unwinding the transmission cable; the main controller is used for controlling the movement and attitude of the quadruped robot, performing two-way communication and state coordination with the unmanned aerial vehicle, controlling the cable take-up and pay-off mechanism, performing closed-loop control on the operation of the unmanned aerial vehicle, and performing task scheduling and resource allocation.

The utility model relates to a connection structure of an electric connector and a transmission cable and a welding installation accessory, which comprises a plug assembly connected with at least one transmission cable, the plug assembly comprises a wire clamping plate, and the wire clamping plate is connected with at least one wire for providing signal shielding in the transmission cable. According to the utility model, by adopting the novel connection structure of the electric connector and the transmission circuit, the probability of mutual interference between signal cables in the electric connector is at least reduced.

The present invention relates to the field of temperature and humidity inspection, and specifically to a temperature and humidity field inspection device and method for environmental test equipment detection. It includes a temperature and humidity field inspector and a cable winding and collecting mechanism; a plurality of channel interfaces are arranged in an array on the top of the temperature and humidity field inspector, and the temperature and humidity field inspector is connected with a signal transmission cable through the channel interfaces; the cable winding and collecting mechanism includes an inner rod assembly, an outer rod assembly, a fixed column, a threaded knob, a moving table and a bracket. Multiple groups of the inner rod assembly and the outer rod assembly are evenly distributed in a circular shape around the fixed column, and multiple groups of the inner rod assembly and multiple groups of the outer rod assembly are staggered; the inner rod assembly includes an inner rod, a connecting rod a and a connecting rod b. Two connecting rods a are arranged in parallel. The inner rod, the connecting rod a and the fixed column form a parallelogram mechanism a, and the inner rod extends outward in the horizontal direction to form a winding part a; the outer rod assembly includes an outer rod, a connecting rod c and a connecting rod d. The present invention adaptively adjusts the length of the wound cable by adjusting the distribution of the inner rod and the outer rod.

The utility model discloses an anchoring system for deep sea laying, which belongs to the field of deep sea detection and comprises a base anchor point frame, a transmission cable, an equipment mounting frame and a buoyancy supply system. The base anchor point frame is connected with the equipment mounting frame through a transmission cable, and the equipment mounting frame is connected with the buoyancy supply system through a steel cable; the transmission cable is used for signal and power transmission, bearing the gravity of the main frame during hoisting and bearing the positive buoyancy and torsion of the system during suspension. The device has the characteristics of miniaturization, light weight and high adaptability while realizing deep sea laying, and can be used for mounting various detection equipment.

The utility model relates to the technical field of transmission cables, in particular to a DP2.116K high-definition transmission line, which comprises a component II and filling cotton yarns, a signal line, a shielding layer and an outer coating layer are respectively wrapped on the surface of the component II, the signal line comprises a component I and a bulletproof wire structure, an aluminum foil layer is wrapped on the surface of the component I, and the outer coating layer is wrapped on the surface of the component II. The surface of the aluminum foil layer is wrapped by a hot melting polyester belt, the surface of the first component is wrapped by a middle sheath layer, the signal line is wrapped by an aluminum foil mylar layer, and an insulating layer is arranged between the signal line and the aluminum foil mylar layer. According to the utility model, through the cooperation of the component 1, the aluminum foil layer, the hot melt polyester tape and the middle protected layer, smaller attenuation and stable characteristic impedance can be ensured, the attenuation of a finished product 1.5 M DP80 can be controlled within-10dB / 15GHz, the standard characteristic impedance is 85 + / -5 omega, the actual characteristic impedance can be 85 + / -3 omega, through the cooperation of the shielding layers, the shielding rate is more than%, and EMI interference is effectively prevented by adopting three shielding layers.

The present invention discloses an adjustable submersible noise measurement system, comprising an underwater instrument cabin, an optoelectronic transmission cable, an optical fiber hydrophone array, an expander, a mooring device, and a surface communication buoy. The optical fiber hydrophone array receives noise signals radiated by underwater targets and transmits the signals to the underwater instrument cabin via the optoelectronic transmission cable. The underwater instrument cabin is fixed to the seabed by the mooring device and connected to the surface communication buoy. The expander is fixed to the seabed by a hook anchor, and the optical fiber hydrophone array is adjusted by the expander to achieve horizontal deployment. The underwater instrument cabin and the expander are positively buoyant structures, thereby forming a trapezoidal structure underwater. The present invention utilizes the expander to retract and extend the optoelectronic transmission cable and hook anchor to control the entire array to be horizontal underwater and stabilize the array's posture. When the array's posture reaches the required posture for equipment testing, the expander stops working, and the equipment is now in a silent state and does not generate any noise, thereby reducing the impact of noise generated by the equipment itself.

The invention relates to the technical field, and discloses a wire core twisting device for aviation data transmission cable processing, which comprises a supporting table, first mounting racks are fixedly connected to the front and rear sides of the top surface of the supporting table, and a third mounting rack is fixedly connected to the surface of the right side of the first mounting rack on the right side. According to the wire core twisting device for aviation data transmission cable processing, after a wire core is replaced, a wire core roller is inserted into a groove formed in a U-shaped frame, a fixing plate is moved, the wire core roller is fixed through a limiting clamping ring, a bolt is tightened after fixing, and through one-way meshing between a second ratchet wheel and a one-way meshing plate, when the bolt slips, the wire core roller is twisted, and the wire core roller is twisted. When the wire core roller rotates, the bolt does not rotate reversely due to vibration, so that the use of the wire core roller is facilitated, the disassembly and assembly of the wire core roller are simple, the wire slipping phenomenon occurs at the installation position after the wire core roller is disassembled and assembled for multiple times, and when the wire core roller rotates, the position of the wire core roller does not incline, and the feeding of the wire core roller is not influenced.