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292 results about "Cross connection" patented technology
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Tunnel construction method for large deformation section of soft rock
The invention discloses a tunnel construction method for a large deformation section of soft rock, and relates to the technical field of tunnel construction for the large deformation section of the soft rock, and the tunnel construction method for the large deformation section of the soft rock comprises the following steps: drilling shallow large-aperture stress release holes and deep small-aperture stress release holes to form a layered release system; differential pressure grouting is conducted around the stress release holes, and a deep reinforcing ring and a shallow coupling ring are formed; a steel frame is erected, and a three-stage stretching locking bottom supporting assembly is installed to form a closed supporting ring; the bottoms of the adjacent steel frames are crossly connected through prestressed pull rods to form an integral rigid grid; a secondary lining is constructed after the longitudinal attenuation conduction period is judged according to the surrounding rock deformation spatial-temporal characteristics; inverted arch first and then arch wall segmented pouring is adopted, and a delayed expanding agent is doped into arch wall concrete. The method can effectively control surrounding rock deformation in the tunnel construction process of the large deformation section of the soft rock, improves the overall rigidity and stability of a supporting system, ensures that the lining is tightly attached to the surrounding rock, and reduces the construction risk.
Owner:CHINA RAILWAY 20TH BUREAU GROUP CO LTD
Flow cross junctions for a manifold of a hydraulic fracturing system and related methods
An embodiment of a manifold of a hydraulic fracturing system includes a flow cross junction including an inlet flow bore. In addition, the manifold includes a coupling adapter including an external shoulder and a connection device. The connection device is to connect to an output of a pump of the hydraulic fracturing system, and the coupling adapter is removably inserted within the inlet flow bore such that the connection device is positioned outside of the inlet flow bore. Further, the manifold includes a retainer ring connected to the flow cross junction and compressed against the external shoulder.
Owner:SCOUT SURFACE SOLUTIONS LLC
FAU array self-calibration collimation and low-crosstalk coupling system for OCS
The invention relates to the technical field of optical cross connection device calibration, and discloses an FAU array self-calibration collimation and low-crosstalk coupling system for an OCS. According to the system, optical axis deviation, light spot parameters and inter-unit crosstalk data of each unit are acquired in real time through a distributed optical sensing array. And the light path state mapping module constructs a dynamic topological mapping graph according to the data, and globally represents the array coupling state. The self-adaptive calibration module calculates calibration requirements and generates an original instruction, and the crosstalk suppression coordination module analyzes the estimated influence of instruction adjustment on crosstalk of adjacent units, restrains the instruction which may deteriorate the crosstalk, and generates an optimized calibration instruction. And the collaborative execution module drives the micro actuator to complete submicron-level pose adjustment according to the final instruction. According to the system, active collaborative optimization of alignment precision and crosstalk suppression in the calibration process is realized, and the overall performance and stability of the system are improved.
Owner:SHENZHEN BIYANG OPTICAL COMM TECH CO LTD
Solar module with optimized interconnection and method of manufacturing the same
A solar module and a method of manufacturing the same. The solar module has a plurality of solar cell arrays, a cross-connector and an encapsulation. Each of the solar cell arrays includes solar cell substrates with contact structures and an interconnection structure that includes a plurality of round or rounded wires. Some of the wires have a flatter cross-section in a flattened region than the same wires in a non-flattened region adjacent to the flattened region and / or than other wires. The flattened region is located at and / or near an edge of a terminal solar cell substrate adjacent to a portion of the contacting surface of a rear side of the solar cell substrate. At least two strings of solar cell arrays are arranged side by side and interconnected by means of the cross-connector.
Owner:INST FUR SOLARENERGIEFORSCHUNG GMBH
Projection testing device
The invention provides a projection testing device, which comprises a testing screen plate with a plurality of sliding grooves, a plurality of sliding blocks, a plurality of first sliding blocks and a plurality of second sliding blocks, and a plurality of first sliding blocks and a plurality of second sliding blocks which are slidably embedded in the sliding grooves in a one-to-one correspondence manner, the plurality of sensors are arranged on the plurality of sliding blocks in a one-to-one correspondence manner, the plurality of sensors comprise a plurality of first sensors and a plurality of second sensors, the first sensors are arranged on the first sliding blocks, and the second sensors are arranged on the second sliding blocks; the first connecting rod and the second connecting rod are in cross connection through a rotating shaft, and the rotating shaft is aligned with the center of the test screen board and is relatively fixed with the center of the test screen board; wherein the first sliding block is driven by one of the first connecting rod and the second connecting rod to move in the tangential direction relative to the rotating shaft, and the second sliding block is driven by two of the first connecting rod and the second connecting rod to move in the radial direction relative to the rotating shaft.
Owner:QISDA SUZHOU
Variable-distance transfer device
The utility model provides a variable pitch transfer device which comprises a base frame and a variable pitch mechanism, and the variable pitch mechanism comprises a first limiting baffle, a second limiting baffle, a cross telescopic frame, a first linear driver, a second linear driver, a discharging pushing assembly, at least three movable material receiving seats and material blocking assemblies in one-to-one correspondence with the movable material receiving seats. The telescopic direction of the crossed telescopic frame is arranged in the front-back direction, the crossed telescopic frame is provided with crossed connecting positions which correspond to the movable material receiving bases one to one and are sequentially distributed in the telescopic direction, and the movable material receiving bases are connected to the corresponding crossed connecting positions in a one-to-one correspondence mode. The movable material receiving base located on the foremost side is connected to the driving end of a first linear driver, and the movable material receiving base located on the rearmost side is connected to the driving end of a second linear driver. And when the movable material receiving seats move to the folding positions, the discharging pushing assembly drives the material blocking assemblies on all the movable material receiving seats to release the materials received by the corresponding movable material receiving seats.
Owner:SHENZHEN VISTA MEDICINE INSTR MOLD
Optical modulator, wavelength selective switch, port-level optical switch, optical cross connection, and optical communication system
The embodiment of the invention provides an optical modulator, a wavelength selection switch, a port-level optical switch, an optical cross connection and an optical communication system, and aims to reduce insertion loss in an optical switching process. In the optical modulator provided by the invention, an included angle is formed between a first surface of a first substrate and a second surface of a second substrate, and a liquid crystal layer is located between the first substrate and the second substrate, so that an included angle is formed between an incident light beam of a signal light beam irradiating the optical modulator and an emergent light beam emitted from the optical modulator; the first substrate is provided with a first electrode layer, the second substrate is provided with a second electrode layer, the refractive index of the liquid crystal layer is changed by adjusting the first electrode layer and the second electrode layer to generate electric fields with different intensities, the included angle between the incident light beam and the emergent light beam is further adjusted, and the signal light beam is emitted to a target output port; deflection of the signal light beams is achieved through the refraction principle, the insertion loss of the signal light beams in the optical modulator is reduced, and then the insertion loss in the optical switching process is reduced.
Owner:HUAWEI TECH CO LTD
Anti-falling system for roof construction
The utility model relates to the technical field of roof anti-falling, and provides an anti-falling system for roof construction, which comprises an anti-falling mechanism and a rope mechanism, the anti-falling mechanism comprises locking pliers and a telescopic fixing frame, and the telescopic fixing frame comprises a first mounting column, a second mounting column and a shear fork type assembly. The first mounting column and the second mounting column are both provided with locking pliers, the shear fork type assembly comprises multiple sets of shear forks connected with one another, each set of shear fork comprises a first shear fork arm and a second shear fork arm which are connected in a crossed mode, the first shear fork arm of the shear fork located at the head end is hinged to the first mounting column in a sliding mode, and the second shear fork arm of the shear fork located at the head end is hinged to the first mounting column; the first shear fork arm of the shear fork located at the tail end is hinged to the second mounting column, and the second shear fork arm is slidably hinged to the second mounting column; the rope mechanism is mounted on at least one of the first mounting column and the second mounting column. Therefore, the safety coefficient and the working efficiency of roof operation can be remarkably improved, the risk of high-altitude falling accidents is effectively reduced, and reliable guarantee is provided for high-altitude operation.
Owner:蒙牛乳业(唐山)有限责任公司 +1
A combined piston head hanger
This utility model provides a combined piston head lifting device, belonging to the field of processing technology. It includes a lifting ring with two iron chains on its surface. A first lifting arm and a second lifting arm are respectively mounted at the other end of each chain. A mandrel is positioned between the first and second lifting arms. A base support is fixedly installed at the other end of each of the first and second lifting arms. A piston head body is positioned between the first and second lifting arms. The lifting ring and iron chains are welded together, and the iron chains are welded to both the first and second lifting arms. The first and second lifting arms are cross-connected, and the mandrel is located at the intersection point. This utility model utilizes the gravity generated by the piston head body during lifting. Its own weight causes the hinge formed by the first and second lifting arms and the mandrel to clamp tightly, further ensuring that the base support is firmly engaged in the annular groove on the surface of the piston head body under the clamping force, thus improving the stability and safety of the piston head body during lifting.
Owner:DALIAN HELLON KEBEN PISTON TECH DEVCO
Leg structure and humanoid robot
The utility model provides a leg structure and a humanoid robot, which relates to the field of robots and comprises a sole part, a shank part and an ankle part connecting the sole part and the shank part. The ankle part comprises an ankle support and a cross shaft. The ankle support is provided with a first mounting table and a second mounting table in a protruding mode, a first bearing mounting hole is formed in the first mounting table, and a second bearing mounting hole is formed in the second mounting table. The cross shaft comprises a rolling shaft and a pitching shaft which are connected in a cross mode, and the rolling shaft can freely rotate relative to the pitching shaft. The two ends of the rolling shaft are rotationally installed in the first bearing installation hole and the second bearing installation hole through a first bearing and a second bearing respectively. A first connecting lug and a second connecting lug which are oppositely arranged are arranged at one end, facing the sole part, of the shank part, a third bearing mounting hole is formed in the first connecting lug, and a fourth bearing mounting hole is formed in the second connecting lug; the two ends of the pitch shaft are rotationally installed in the third bearing installation hole and the fourth bearing installation hole through a third bearing and a fourth bearing respectively.
Owner:SHENZHEN SYBORG ROBOT CO LTD
Supporting frame easy to fold
Owner:永康市阅野工贸有限公司
Cavity filter
The application discloses a cavity filter, which comprises a cavity, an upper cover plate, a plurality of tuning screws, an input joint and an output joint. The cavity is divided into a plurality of resonant cavities which are open upward, and a resonant body is arranged in each resonant cavity. The resonant body comprises a resonant rod and a resonant column which are integrally formed. The first end of the resonant rod is integrally formed with the side wall of the resonant cavity, the second end of the resonant rod is cross-connected with the resonant column, and the resonant column extends up and down in the resonant cavity. The upper cover plate is arranged on the upper side of the cavity. The plurality of tuning screws are arranged on the upper cover plate and respectively extend into the plurality of resonant cavities. The bottom end of the tuning screw faces the resonant rod and is spaced from the resonant rod up and down. One side of the tuning screw faces the resonant column and is spaced from the resonant column. The input joint and the output joint are arranged on the side wall of the cavity and are respectively connected with one of the plurality of resonant rods. The application can greatly reduce the types and quantity of materials, simplify the manufacturing process, improve the production efficiency and reduce the cost.
Owner:DONGGUAN ACE TECH
Steel formwork construction positioning device and steel formwork construction process
The application provides a steel formwork construction positioning device and a construction process, and relates to the technical field of hydraulic engineering construction. The positioning device comprises a support frame, a plurality of positioning pipe bodies and positioning bolts. The support frame is formed by a plurality of transverse rods and longitudinal rods being connected with each other. The plurality of positioning pipe bodies are fixedly connected at the cross connection of the transverse rods and the longitudinal rods. The axial positions of the plurality of positioning pipe bodies correspond to the axial positions of a plurality of bolt holes on the steel formwork and wall body reinforcing bars. In addition, the axial line of the positioning pipe body is perpendicular to the plane of the support frame. The positioning bolt is used for connecting the positioning pipe body and the corresponding wall body reinforcing bar, thereby providing positioning for the installation of the steel formwork. The positioning device of the application can replace the steel formwork to fix the positioning bolt and the reinforcing bar. The overall structure of the support frame is light and portable, so that the installation of the steel formwork can be completed with higher efficiency in construction, and the construction progress is accelerated.
Owner:SHENGZHOU WANGXIN JINSHUI CONSTR INVESTMENT CO LTD
Yarn pretreatment monitoring system for preventing yarn from being broken for sock production and use method of yarn pretreatment monitoring system
The invention relates to the technical field of automatic sock production equipment, in particular to a yarn pretreatment monitoring system for preventing yarn breakage for sock production and a use method thereof.The yarn pretreatment monitoring system comprises a rack body and is characterized in that an annular supporting frame is arranged on one side of the top of the rack body, and a yarn supply system is arranged on the annular supporting frame; a cross connecting arm is arranged on one side of the inner wall of the annular supporting frame, a center supporting shaft is arranged at one end of the bottom of the cross connecting arm, a thread stand unit is arranged on the upper portion of the center supporting shaft, and a yarn detection and weft storage system is arranged in the middle of the center supporting shaft. A yarn lubrication monitoring unit is arranged below the yarn detection and weft storage system, and a knitting execution unit is arranged below the yarn lubrication monitoring unit; a control unit is arranged on one side of the knitting execution unit; the yarn supply unit, the thread stand guide unit, the weft storage detection unit, the lubrication monitoring unit and the knitting execution unit are arranged on the rack in a layered mode, and continuous pretreatment is achieved; the system can be configured with multi-color and multi-material yarns, and diversified requirements are met; the coil holder guides and normalizes the path and prevents winding and friction; the detection weft storage unit monitors broken yarns in real time, provides reserve and stabilizes tension; the lubricating unit is visual and maintainable, oil is evenly applied, and real-time feedback is achieved; the control unit is centrally managed and is safe and reliable.
Owner:ZHEJIANG JASAN GRP JIANGSHAN KNITTING CO LTD
Municipal road crossing wiring well structure
The utility model relates to the technical field of wiring wells, in particular to a municipal road crossing wiring well structure which comprises an original soil base layer, a foundation pit is formed in the surface of the original soil base layer, and a wiring well body is arranged in the foundation pit. The wiring well body comprises a supporting cushion layer, a water collection pit, an inner side well body, an outer side well body, a water collection groove, an iron grate, a fixing clamping groove, a water drainage pipe, a threading protection pipe, a waterproof coiled material layer and a waterproof coating layer, the inner side well body, the outer side well body and the supporting cushion layer are integrally poured through concrete, and the fixing clamping groove is formed in the inner side edge of the upper end of the outer side well body; a well cover plate is clamped in the fixed clamping groove; the wiring well body is provided with the inner layer and the outer layer, the wiring part is arranged in the inner side well body, the outer side well body plays a role in protection and prevents underground water from permeating, meanwhile, rainwater permeating from the upper side can be collected into the water collecting groove, and when the amount of rainwater permeates into the inner side well body, the rainwater can also be collected into the water collecting pit, so that the water collecting effect is improved. And the safety of the pipeline is effectively improved.
Owner:广东楠柏建设工程有限公司
Novel scaffold with self-stabilizing structure
The utility model discloses a novel scaffold with a self-stabilizing structure, which comprises a support frame, a cross connecting frame and a pedal plate, and further comprises a stabilizing frame, the two supporting frames are symmetrically arranged, and the same side faces of the two supporting frames are detachably connected through the cross connecting frame. A pedal plate is detachably arranged between the two supporting frames; stabilizing frames are arranged on the sides, away from the pedal plate, of the two supporting frames, and each stabilizing frame comprises an H-shaped rotating leg and a supporting leg; the H-shaped rotating leg is rotationally arranged in the length direction of the pedal plate; the supporting legs are rotationally arranged on the two sides of the supporting frame and rotationally unfolded towards the two sides. The stabilizing frame is arranged on the supporting frame on each side, so that each supporting frame can be independently supported and erected through the stabilizing frame, the supporting range is expanded through the H-shaped rotating legs and the supporting legs in the stabilizing frames, the placing position of a heavy object on the scaffold cannot exceed the supporting range of the stabilizing frames, and the supporting stability of the scaffold can be guaranteed; and scaffold rollover is avoided.
Owner:CHINA CONSTR SEVENTH ENG DIVISION CORP LTD
Solar cell module
The invention relates to a solar cell module having at least one first and one second solar cell strand, wherein the first and the second solar cell strand each have a plurality of electrically interconnected solar cells, the solar cells of the first solar cell strand being arranged in a first row along a first longitudinal extent (L1) and the solar cells of the second solar cell strand being arranged in a second row along a second longitudinal extent (L2) parallel to the first longitudinal extent, and a terminal first connecting solar cell (1a) of the first solar cell strand is electrically conductively connected to a terminal second connecting solar cell (1b) of the second solar cell strand by means of a strand cross-connector (2a) of the solar cell module. It is essential to the invention that the strand cross-connector (2a) is provided so as to partly cover the first connecting solar cell (1a), the strand cross-connector (2a) is positioned so as to not cover the second connecting solar cell (1b), at least one strand longitudinal connector (4) of the second connecting solar cell is provided on the second connecting solar cell (1b) in such a way that the strand longitudinal connector (4) of the second connecting solar cell partly covers the second connecting solar cell (1b) and projects beyond the second connecting solar cell (1b) in a connecting region, and the strand longitudinal connector of the second connecting solar cell (4) is provided on the strand cross-connector (2a) in the connecting region and is electrically conductively connected thereto.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV
Refueling water storage tank (RWST) with tailored passive emergency core cooling (ECC) flow
PendingUS20250357014A1Nuclear energy generationCooling arrangementNuclear reactor coreNuclear reactor
A nuclear reactor comprises a pressure vessel containing a nuclear reactor core. A reactor core cooling system comprises a standpipe including a plurality of orifices in fluid communication with a refueling water storage tank (RWST) to drain water from the RWST into the standpipe, and an injection line configured to drain water from the standpipe to the pressure vessel. In some embodiments the standpipe is disposed in the RWST, while in other embodiments the standpipe is disposed outside of the RWST and cross-connection pipes connect the plurality of orifices with the RWST. The reactor core cooling system may further comprise a valve configured to control flow through one orifice of the plurality of orifices in fluid communication with the RWST based on water level in the standpipe. The valve may comprise a float valve having its float disposed in the standpipe.
Owner:BWXT MPOWER INC
An integrated low voltage harness modular wiring device
The utility model provides a kind of integrated low-voltage wiring harness modular wiring device, belong to low-voltage wiring harness technical field, comprising: two groups of longitudinally arranged shell;Wiring assembly and isolation mechanism are set to the close side of two groups of shell each other;Wiring assembly contains several transversely fixed in the shell inside baffle, and wiring groove is formed by adjacent baffle;Isolation mechanism contains several through holes being opened in shell, plug rod is inserted in through hole movably, and baffle is fixedly connected with the end of plug rod;Magic tape is provided on the both sides of shell.The utility model realizes the quick integration and expansion of low-voltage wiring harness by modular design shell, clamping component, magic tape;Wiring groove and baffle classify isolation wiring harness, avoid cross connection;Isolation mechanism fixes wiring harness and keeps neat;Safety and reliability are improved by insulating coating and anti-misplacement structure.
Owner:GAC HINO MOTORS CO LTD
Combined coil structure
ActiveCN223665288UTransformers/inductances coils/windings/connectionsTransformers/inductances magnetic coresCross connectionCoil structure
The utility model provides a combined coil structure which comprises two cuboid magnetic cores of the same structure, a connecting part is arranged in the center of the bottom face of each cuboid magnetic core, and supporting baffles parallel to the end faces extend out of the two end faces of each cuboid magnetic core. The connecting part is used for connecting the two cuboid magnetic cores in a cross mode, and the four supporting baffles surround the outer sides of the two cuboid magnetic cores. The two cuboid magnetic cores are each sleeved with a segmented coil, each segmented coil comprises two coil parts, and the two coil parts are connected through a wire on the back face of the connecting part. The four supporting baffles are sleeved with the annular coil. The pin frame is parallel to the bottom face of the cuboid magnetic core and installed on the same side of the four supporting baffles, and the wire ends of the segmented coils and the wire ends of the annular coils are connected with the corresponding pins respectively. The combined coil structure provided by the utility model can integrate coil antennas in three directions, is simple in structure, facilitates winding, and can improve the processing efficiency.
Owner:ZHEJIANG UNIONX ELECTRIC MACHINERY TECHNOLOGY CO LTD
Stepped beam column splicing joint with flush beam flanges and anti-seismic steel structure
The invention relates to a step type beam column splicing joint with flush beam flanges and an anti-seismic steel structure. The step type beam column splicing joint comprises a fixing column, a cross beam, a column end connecting piece and a pair of connecting plates. The column end connecting piece comprises a first web and a pair of first flanges, one end of the column end connecting piece is connected with the fixing column, a first protrusion is arranged on the first web at the other end of the column end connecting piece, and a first fixing plate is arranged on the first protrusion; the cross beam comprises a second web and a pair of second flanges, one end of the second web is provided with a second protrusion matched with the first protrusion, the second protrusion is provided with a second fixing plate, and the second fixing plate is connected with the first fixing plate; and the connecting plate is arranged between the column end connecting piece and the cross beam. The node damage position is controlled on the preset connecting plate through design, and after the connecting plate is damaged, the node body is still intact and has certain bearing capacity; and secondly, the first web and the second web are in cross connection for shear force transmission, and the good mechanical property is achieved.
Owner:WUXI TAIHU UNIV
Connection system and connection method
PCT designated stageWO2026028432A1Ring-type electromagnetic networksCross connectionMaterials science
A connection system and a connection method according to the present invention use an in-facility node installed on a loop-shaped optical fiber and optical cross-connects in a plurality of external nodes arranged at different positions on the optical fiber. Among the optical cross-connects, with respect to a first optical cross-connect and a second optical cross-connect, a first optical fiber core included in the optical fiber passes through the in-facility node and the first optical cross-connect, and does not pass through the second optical cross-connect.
Owner:NT T INC
Parallel link mechanism and industrial robot
The parallel link mechanism (16) comprises: a support member (36); a connection joint (38); a first arm (40a) interconnecting the support member and the connection joint, the first arm comprising a first intermediate joint (50a) and a first drive rod (42a) rotatable about a first axis (44a); a second arm (40b) interconnecting the support member and the connection joint in parallel with the first arm, the second arm comprising a second intermediate joint (50b) and a second drive rod (42b) rotatable about a second axis (44b), the first and second axes defining a reference plane (54); wherein the parallel link mechanism is configured to adopt a state (68) in which the first and second drive rods are crossed, the connection joint is positioned on a primary side (70a) of the reference plane, and the first and second intermediate joints are positioned on an opposite secondary side (70b) of the reference plane.
Owner:ABB (SCHWEIZ) AG
Heavy load steel reinforced concrete column elevation lengthening integrated construction node and method
The application discloses a heavy-load steel reinforced concrete column elevation lengthening integrated construction node and method, the construction node comprises a base fixedly installed at the top of a steel reinforced concrete column, and a reinforcing frame peripherally fixed to the base, the range surrounded by the reinforcing frame is formed into a containing groove, the containing groove is cross-connected by at least two transverse ribs and at least two longitudinal ribs to form a grid structure, thereby dividing the containing groove into a plurality of sub-grooves, the construction node further comprises a plurality of intelligent monitoring devices selectively arranged in some of the sub-grooves, and high-grade concrete poured into the containing groove and wrapped around all the transverse ribs and longitudinal ribs, a cover plate is sealingly installed at the top of the containing groove, and the difference between the top elevation of the cover plate and the top elevation of the base is the elevation deviation of the steel reinforced concrete column, and the application overcomes the defects of the traditional column lengthening + full-welding reinforcement treatment mode, and has high popularization value.
Owner:CHINA CONSTR EIGHTH ENG DIV CORP LTD ZHEJIANG CONSTR CO LTD
An interference-resistant electronic connector
ActiveCN224400832UNot easily distortedSuppress high frequency interferenceCoupling contact membersInterference resistanceCross connection
The utility model belongs to the technical field of electronic connector, disclose a kind of anti-interference electronic connector, including metal alloy shielding shell, composite shielding layer structure is installed on metal alloy shielding shell, four-pin contact head is installed on metal alloy shielding shell, and composite shielding layer structure is set around four-pin contact head;Rubber pad, the socket hole that is compatible with metal alloy shielding shell is set on rubber pad, and rubber pad is installed on metal alloy shielding shell by socket hole socket connection;Cross connection bolt, cross connection bolt is installed on metal alloy shielding shell and rubber pad and is penetrated, metal alloy shielding shell is integrally formed and socket connection with the along board on the outer surface of metal alloy shielding shell, first through-hole corresponding with cross connection bolt is set in the four corners edge of along board, and cross connection bolt is compatible with first through-hole.
Owner:KUNSHAN DUFFILE ELECTRONIC PROD CO LTD
Folding fence connecting structure and folding fence
ActiveCN224282185UChange shape flexiblychange shapeFencingChildren furnitureCross connectionMechanical engineering
Owner:DONGGUAN JINWANG CHILDREN PROD CO LTD
Vehicle off-line lifting device
Owner:CHERY AUTOMOBILE CO LTD
CDC-ROADM design method for multi-dimensional multiplexing quantum optical network
PendingCN121923802AKey distribution for secure communicationMultiplex system selection arrangementsMultiplexingCross connection
The invention provides an innovative architecture design method of a low-loss, color-less, directionless and contention-less reconfigurable optical add drop multiplexer (CDC-ROADM) oriented to a multi-dimensional multiplexing quantum optical network, and the scheme is specially used for optimizing the quantum optical network with large capacity, low blocking and high reliability in the future. Based on special requirements of quantum signal transmission, a quantum signal switching module with high flexibility is designed by innovatively using a low-loss wavelength selective switch (WSS). The classical signal switching module adopts a hierarchical cascade architecture: a space cross connection (SXC) layer realizes fiber core level switching, a wavelength cross connection (WXC) layer supports wavelength / wave group level flexible scheduling, and the use of expensive devices and the construction cost and loss of the system are reduced while the switching flexibility is ensured through a double-level coordination mechanism. The design method provided by the invention has the advantages of low loss, large capacity, efficient transmission, low blocking rate and the like, and can provide key technical support for large-scale deployment of the quantum optical network.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Connecting and guiding device applied to cable rod support
A connection guiding device applied to a cable rod support is characterized in that a main cable guiding shaft sleeve is included, the main cable guiding shaft sleeve is composed of an upper half shaft sleeve used for being clamped above a main cable and a lower half shaft sleeve used for being clamped below the main cable, and the lower surface of the upper half shaft sleeve and the upper surface of the lower half shaft sleeve are each provided with a groove matched with the outer diameter of the main cable; the main cable sleeve is used for being arranged outside the main cable guide shaft sleeve in a sleeving mode; the main cable sleeve and the main cable guide shaft sleeve are drilled and tapped on the outer surface of the parting joint of the vertical shaft sleeve, and a set screw is mounted; the set screw is composed of a rod and a nut, and the nut is used for loosening the set screw after the set screw is installed. And the main cable sleeve is used for connecting the U-shaped bolt with the column top flange plate or the secondary cable. The device can be used for cross connection and fixation of steel cables and connection and fixation of the steel cables and steel stand columns. Abrasion of the steel cable in use is reduced, a locking function is achieved, and the steel cable cannot deviate from a preset position due to load change in use; and the locking screw is loosened during secondary tensioning of the steel cable, so that the secondary tensioning force can be uniformly distributed in the structural information.
Owner:SHANDONG AOXIANG POWER ENG DESIGN CONSULTING CO LTD
Optical cross-connect device and optical switching network
PCT designated stageWO2025246528A1Multiplex system selection arrangementsElectromagnetic transmissionCross connectionControl cell
The embodiments of the present application relate to the technical field of optical communications. Provided are an optical cross-connect device and an optical switching network. The optical cross-connect device can determine the position of a reflection point in an output optical fiber link, with the detection efficiency being high and the consumed time being short. One service optical output port in the optical cross-connect device is connected to one output optical fiber link, and a first detection optical assembly is connected to a first detection optical port; and a scanning control unit controls the first detection optical port to couple to the service optical output port, and controls the first detection optical assembly to output a first transmitting optical signal. The first transmitting optical signal is transmitted to the output optical fiber link by means of the first detection optical port and the service optical output port, which are coupled to each other; the first transmitting optical signal becomes a first detection optical signal after being transmitted by means of the output optical fiber link; the first detection optical signal comprises a first reflected signal, and is used for determining the peak and position of the first reflected signal; and the first reflected signal is output on the basis of at least one reflection point in the output optical fiber link.
Owner:HUAWEI TECH CO LTD