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Cable joint installation protection device
ActiveCN224110861Uprevent inflowSimple structureCable junctionsCable inlet sealing meansWater flowElectric cables
Owner:BEIJING YUANENG HECHUANG TECH CO LTD
Cable intermediate joint sealing protection device for power transmission
PendingCN121710108ACable junctionsCable inlet sealing meansStructural engineeringProtective capacity
The invention discloses a sealing protection device for an intermediate joint of a cable for power transmission, relates to the technical field of sealing protection devices, solves the technical problem of sealing, and comprises a first protection cylinder and a second protection cylinder which are both internally provided with grooves. A fixing plate is fixedly installed at the corresponding ends of the first protection cylinder and the second protection cylinder, the fixing plate is fixedly installed in the groove, and sealing assemblies are arranged in the first protection cylinder and the second protection cylinder; the sealing assembly comprises a moving ring slidably mounted in the groove, an air bag is fixedly mounted on the side, away from the fixing plate, of the moving ring, an extrusion ring is fixedly mounted on the side, away from the air bag, of the moving ring, a sealing gasket is rotatably mounted at the end, away from the moving ring, of the extrusion ring, and a guide rod is slidably mounted on the moving ring in a penetrating mode. Sealing operation is facilitated, the sealing capacity of the device can be improved, and the safety protection capacity of the device can be improved.
Owner:HUBEI LONGPUDA ELECTRIC POWER CO LTD
Module having a joint region and method for producing a module having a joint region
A module (10) is provided which comprises a first module part (1) comprising a first electrical conductor (11), first foils (12) and first isolating structures (13) alternated with the first foils (12). The module (10) further comprises a second module part (2) comprising a second electrical conductor (21), second foils (22) and second isolating structures (23) alternated with the second foils (22). The module (10) further comprises a joint region (3) which includes a conductor connector (31), connecting structures (32) and an insulation material (33). The first module part (1) and the second module part (2) are joined together in the joint region (3). The conductor connector (31) mechanically and electrically connects the first electrical conductor (11) to the second electrical conductor (21). Each one of the connecting structures (32) electrically connects one of first foils (12) to one of the second foils (12). The joint region (3) is filled with the insulation material (33) for electrically isolating at least the conductor connector (31) and the connecting structures (32) from each other. Moreover, a method for producing such a module (10) is provided.
Owner:HITACHI ENERGY LTD
Waterproof cable gland
PendingUS20260066638A1Relieving strain on wire connectionJoints with sealing surfacesCable glandStructural engineering
A cable gland has first and second parts, which are mutually engageable, and a seal assembly that is housed within and between the first and second parts. The seal assembly has at least one carrier on each side of a cable seal. Each carrier seats a respective body seal. Each cable seal has an opening through which a cable can pass. In use the cable seal forms a seal about the cable. Each body seal is arranged to form a respective seal against the inner surface of the first. The cable seals provide water ingress protection about the cable, while the body seals provide water ingress protection between the inside of the first part and the seal assembly. The parts and, when engaged, are configured to apply a longitudinal compression to the seal assembly. This results in the carriers squeezing the cable seal therebetween into sealing contact with and about an outer surface of the cable. This, in combination with the action of the body seals provides water ingress protection.
Owner:OCEAN VISION ENVIRONMENTAL RES
Intelligent analysis type wiring terminal box and control system thereof
The invention relates to the technical field of wiring terminal boxes, in particular to an intelligent analysis type wiring terminal box and a control system thereof.The intelligent analysis type wiring terminal box comprises the intelligent analysis type wiring terminal box and the control system used for controlling the wiring terminal box, and the intelligent analysis type wiring terminal box comprises a box body and a transparent protective cover; the box body is composed of a first main body, a second main body and a third main body which are sequentially connected, the first main body is provided with a wiring communication assembly, the second main body is an insulation board, and the third main body is provided with a monitoring acquisition assembly; the control system comprises a sampling unit, a comparison unit, a processing unit, a communication unit, an acquisition terminal and an acquisition background, and all the units cooperate to realize data sampling, comparison, processing and transmission. According to the invention, the accuracy of the metering device can be guaranteed, and the working pressure of line loss index governance improvement and electric quantity and electricity charge recovery by basic units can be reduced, so that the purpose of intelligent monitoring of the metering device is achieved.
Owner:STATE GRID XINJIANG ELECTRIC POWER COMPANY HAMI POWERSUPPLY COMPANY
Single-core indoor and outdoor cold shrinkage terminal
The utility model relates to the technical field of cable installation and arrangement, and discloses a single-core indoor and outdoor cold shrinkage terminal head, which comprises an insulating tube, a supporting core rope is arranged in the middle of the insulating tube, a sealing ring is fixedly connected to the periphery of the insulating tube, a rubber sleeve is fixedly connected to the middle of the sealing ring, a sleeve is fixedly connected to the middle of the insulating tube, and the rubber sleeve is fixedly connected to the middle of the sleeve. A sealing film is fixedly connected to the middle of the sleeve, a sliding pipe is connected to the middle of the sleeve in a sliding mode, a clamping assembly is installed in the middle of the sleeve and comprises a supporting clamping ring, and the supporting clamping ring is fixedly connected to the middle of the sleeve. According to the utility model, firstly, the insulating tube is sleeved on the cable joint, and after the supporting core rope is pulled and drawn away, the rubber sleeve is pressed, so that the supporting ring is pushed, the sliding tube on the supporting ring can be inserted into the sleeve and the sealing film is punctured, and then the stability and the service life of the cold shrink terminal after installation are ensured under the filling and adhesion of glue.
Owner:ZHEJIANG ZHIJIAN ELECTRIC CO LTD
Cable fusion joint
The utility model discloses a cable fusion joint, which comprises a pair of cables and a fusion welding section between the pair of cables, a pair of cable bodies are fixedly sleeved with conical fixing sleeves, the outer wall of each conical fixing sleeve is provided with an annular groove along the circumferential direction, and a sealing gasket with the same taper as the conical fixing sleeve is embedded in each annular groove. The utility model relates to the technical field of cable welding, the conical fixing sleeves are matched with the sealing gaskets, and the first connectors, the second connectors and the conical fixing sleeves are tightly connected, so that a plurality of groups of sealing structures are formed, and the sealing performance of the cable is improved. The sealing gasket and the conical fixing sleeve are the same in taper and can be tightly attached, and water is effectively prevented from entering. And the first connecting ring and the second connecting ring are screwed through threads, so that the sealing effect is enhanced, and the waterproof performance of the cable welding section is ensured.
Owner:TIANQIN TECH CO LTD
Prefabricated connecting device for elevator
The embodiment of the utility model discloses a prefabricated connecting device for an elevator. The prefabricated connecting device comprises a building body structure, a corridor, an elevator shaft structure and a soft copper cable, the building body structure and the elevator shaft structure are both connected with the corridor; a power circuit is arranged on the outer side of the building structure and used for supplying power to users; the corridor is arranged between the building body structure and the elevator shaft structure and used for connecting channels of different floors; the elevator shaft structure is located on the outer side of the building body structure, vertically extends from the first floor to the top floor and is used as a running channel of an elevator. Path intersection exists between the elevator shaft structure and the power line; the soft copper cable is used for electrical connection at the intersection of the elevator shaft structure and the power line and penetrates through the inner wall of the corridor to be communicated with the power line. According to the embodiment of the utility model, potential safety hazards can be reduced, and the elevator and power lines can be conveniently and independently repaired and maintained.
Owner:SHANGHAI ELECTRIC POWER DESIGN INST
Multipiece enclosure assembly
A multipiece enclosure assembly is provided. The multipiece enclosure assembly may include a base comprising one or more walls and defining an interior configured to house one or more components and surrounded by the one or more walls. The base may have an open top and define a first opening at a front wall of the one or more walls. The open top and the first opening may provide access to the interior of the base to allow for connecting at least a portion of the one or more components to an incoming cable outside of the base. The multipiece enclosure assembly may further include an insert defining a second opening. The insert may be configured for being releasably secured to the base at the first opening. The multipiece enclosure assembly may further include a cover configured for being releasably secured to the base.
Owner:SOUTHWIRE CO LLC
A cable protection device for outdoor communication equipment
PendingCN122092129Aeasy to useReduce dynamic fatigue deformationCable junctionsTelecommunicationsStructural engineering
Owner:TIBET DAI RUI TECH DEV CO LTD
Single-core high-performance joint
The utility model discloses a single-core high-performance joint, which relates to the technical field of connecting joints, and comprises a middle joint body, two ends of the middle joint body are circular truncated cone-shaped, the outer wall of the middle joint body is wrapped with a semi-conductive outer shielding layer, the outer wall of the semi-conductive outer shielding layer is wrapped with an insulating tape half-overlapping cover, and the insulating tape half-overlapping cover is wrapped with a semi-conductive outer shielding layer. The outer wall of the insulating tape half-cover is wrapped by a waterproof tape half-cover, and the two ends of the intermediate joint body are arranged to be of a circular truncated cone-shaped structure, so that the intermediate joint body can be better wrapped by a semiconductive outer shielding layer, and the insulating tape half-cover is used for insulating the intermediate joint body and the semiconductive outer shielding layer. And then waterproof wrapping connection processing is carried out on the intermediate joint body and the semi-conductive outer shielding layer through the waterproof belt half cover, so that the connection of the intermediate joint body to the cable can be more stable, and the quality of the connection of the intermediate joint body to the cable is improved.
Owner:HUNAN GONGLIAN ELECTRIC CO LTD
Submarine connection box for submarine power cables
ActiveUS12640545B2Cable installations on groundCoupling device detailsElectric cablesSubmarine power cable
A submarine connection box for connecting a system of submarine power cables, each including at least one submarine power cable core, the submarine connection box including: a casing, the casing having N first openings configured to receive a respective submarine power cable of a first set of N submarine power cables, N being an integer equal to or greater than 1, the casing having K second openings configured to receive a respective submarine power cable of a second set of K submarine power cables, K being an integer greater than 1, a termination box arranged inside the casing, the termination box having a housing including a first group of openings, and a second group of openings, each of the first group of openings being configured to receive a respective submarine power cable core of the first set of N submarine power cables, and each of the second group of openings being configured to receive a respective submarine power cable core of the second set of K submarine power cables, and L sets of connectors arranged in the termination box, L being an integer equal to the number of electrical phases or poles of the system of submarine power cables, wherein for each of the L sets, the connectors are electrically interconnected with each other and configured to connect submarine power cable cores of corresponding electrical phases or poles of the first set of N submarine power cables and the second set of K submarine power cables.
Owner:NKT GMBH & CO KG
Protective device
The utility model relates to the technical field of cable joints, and discloses a protection device which comprises a first joint and a second joint, a guide groove is formed in the inner surface of the first joint, a guide block is fixedly installed on the inner surface of the second joint, an installation groove is formed in the outer surface of the second joint, a sealing ring is arranged on the inner surface of the installation groove, and the sealing ring is fixedly installed on the inner surface of the installation groove. A limiting assembly is fixedly installed on the outer surface of the second connector, and positioning grooves are formed in the outer surface of the first connector and the outer surface of the second connector. According to the protection device, through the design of the limiting assembly, rapid connection of the second connector and the first connector can be achieved, during use, the second connector and the first connector are not prone to being separated, stability is high, rapid installation of the first protection cover and the second protection cover can be achieved through cooperation of a positioning block and a positioning groove and cooperation of a buckle and a clamping groove, and maintenance is convenient after long-time use; and through the design of the first protective cover and the second protective cover, when collision occurs, the first connector and the second connector are protected to a certain degree, and practicability is high.
Owner:GUANGZHOU BANGTAI ELECTRIC CO LTD
Contact splice
ActiveEP3954003B1Dustproof/splashproof/drip-proof/waterproof/flameproof connectionTwo-part coupling devices
Technologies are described for devices and methods to splice two contacts of a cable. The assemblies may comprise a first and second sealing boot each configured to slide onto and form a seal to the cable. The assemblies may comprise a pin contact and a socket contact. A first side of the pin contact may be configured to receive wires from the cable. A second side of the pin contact may be configured to mate with the socket contact. A first side of the socket contact may be configured to receive wires from the cable. A second side of the socket contact may be configured to mate with the pin contact. The assemblies may comprise a housing with a tube shaped body and a grommet at a first and second end. Each grommet may be configured to form a seal to the first sealing boot or the second sealing boot.
Owner:ITT MANUFACTURING ENTERPRISES LLC
Cable box used on cable pipe of main unit of exposed deck of oil tanker
The utility model relates to the technical field of ship electrical equipment, in particular to a cable box used on a cable pipe of a main unit of an exposed deck of an oil tanker. Comprising a box body, butt joint pipes are arranged on the two sides of the box body respectively, flanges connected with cable pipes are arranged at the ends of the butt joint pipes, the box body is of a bottom opening structure, outer edges are arranged on the periphery of the box body, a lower cover plate is arranged at the bottom of the box body, a hinge piece is arranged between one side of the lower cover plate and the box body, and locking pieces are arranged between the periphery of the lower cover plate and the box body at intervals. A cable supporting assembly is arranged in the box body. Through the design of the bottom hinged lower cover plate, the problem of inconvenience in operation due to the fact that a heavy box cover needs to be completely disassembled during high-altitude operation of a traditional upper cover opening type cable box is effectively solved, and the convenience of construction and maintenance is remarkably improved.
Owner:BOHAI SHIPBUILDING VOCATIONAL COLLEGE
Waterproof device for marine power cable
The utility model discloses a waterproof device for a marine power cable, which comprises an outer sleeve and chuck assemblies fixed at the left end and the right end of the outer sleeve, each chuck assembly comprises a clamping ring, the left end and the right end of each clamping ring are both provided with external threads; the side wall of the inner container piece is fixedly sleeved with the clamping ring; the pressing cap is in threaded connection to the left end of the clamping ring, and a cap hole is formed in the center of the left end face of the pressing cap in a penetrating mode; and the inflatable sealing ring is fixed on the inner wall of the inner container piece, and the inflatable sealing ring is subjected to air sealing adjustment by an air sealing mechanism. According to the utility model, the chuck assembly is adopted to quickly seal and clamp the cable, and then the connecting part of the cable is arranged in the inner tube made of the ceramic material, so that the connecting part of the cable is covered and protected.
Owner:TAIZHOU KEPUNI COMM EQUIP CO LTD
Wire harness and lighting system
PendingUS20260081406A1Electric circuit arrangementsElectric lightingElectrical conductorElectrical connection
A wire harness includes a trunk line extending from an upstream side to a downstream side, a plurality of branching units respectively provided at each of a plurality of branching points on the trunk line, and a plurality of branch lines branching out from the plurality of branching units, wherein the trunk line includes a trunk conductor, wherein the branch line includes a branch conductor, and wherein the branching unit includes a conductor connection portion that electrically connects the trunk conductor on the upstream side to the trunk conductor on the downstream side and to the branch conductor, and a cover portion including an insulating material that covers the conductor connection portion and surroundings thereof.
Owner:HIRAKAWA HEWTECH
Current collection line cable head protection structure
The utility model relates to the technical field of cable protection, and discloses a current collection line cable head protection structure which comprises a protection cylinder used for sleeving a cable joint, and the protection cylinder is connected with a telescopic extension cylinder to form a length-adjustable protection sleeve. The protective sleeve is split and detachable, and the edge is limited and restrained through a fixing base. The protective cylinder is of a hollow cylindrical structure and is a polytetrafluoroethylene hard plastic cylinder; the two extending cylinders are symmetrically arranged, one end of each extending cylinder is inserted into the end opening of the protection cylinder in a sliding mode, and a sleeve opening is formed in the outer end of each extending cylinder. The protective sleeve which is arranged in a split mode and can flexibly adjust the length of the cylinder body is installed at a cable joint, is convenient and stable to install and operate, has the function of adapting to cable joints of different sizes and specifications, can effectively protect an external corrosive environment, and guarantees the service life and the stability of the cable joint; meanwhile, the device can be detached and replaced independently after long-term use, power failure and wire breakage are not needed, and the device is convenient to use.
Owner:内蒙古华电辉腾锡勒风力发电有限公司
An electrical sheath sleeve
This utility model relates to the field of electrical consumables technology, specifically an electrical sheath. It includes a sheath body, which is a tubular structure made of thermoplastic material. The sheath body has an internal cavity and comprises an inner tube and an outer tube. The inner and outer tubes are connected sideways, forming a cavity between them. This cavity is a glue storage cavity containing a paste-like adhesive. The inner tube has multiple slits; when not under pressure, the adhesive remains within the glue storage cavity; under pressure, the adhesive seeps out from the slits. This design offers advantages such as a more secure connection and ease of use.
Owner:李讪汀
Waterproof box of metal hard cable and flexible cable connection joint for nuclear power station
The invention relates to a nuclear power station metal hard cable and flexible cable connection joint waterproof box, which comprises a metal shell assembly, a sealing unit and a joint fixing module, and is characterized in that the metal shell assembly comprises a shell and a box cover, a pre-tightening bolt is arranged between the shell and the box cover, and a temperature sensing sealing adjusting mechanism is arranged in the shell; the temperature sensing sealing adjusting mechanism comprises a shape memory alloy elastic piece and a sealing pressure adjusting ring, one end of the shape memory alloy elastic piece is fixed to the inner wall of the shell, the other end of the shape memory alloy elastic piece is connected with the sealing pressure adjusting ring, and the sealing pressure adjusting ring is arranged around the sealing contact face of the shell and the box cover in a surrounding mode. The sealing unit comprises a main sealing cavity and an auxiliary sealing cavity, the main sealing cavity is formed in the main contact surface of the shell and the box cover, the auxiliary sealing cavity is formed in the outer side of the main sealing cavity, and the two sealing cavities are connected through a communicating groove; the connector fixing module comprises a magneto-rheological rubber block and a rigidity adjusting controller.
Owner:SHAANXI WEIFENG NUCLEAR ELECTRONICS
Wire clamp wiring reinforcing structure
ActiveCN224021439URopes and cables for vehicles/pulleyCable junctionsStructural engineeringMechanical engineering
Owner:YINCHUAN POWER SUPPLY SECTION OF CHINA RAILWAY LANZHOU BUREAU GRP CO LTD
Novel buffer type explosion-proof box
The utility model discloses a novel buffer type explosion-proof box, which belongs to the technical field of cables and comprises two shells and fixing devices, the shells can be fixed on the cables, the two ends of the shells are provided with the fixing devices, grooves are arranged in the shells, the number of the shells is two, the combined shells are fusiform, and the shells are fixed on the cables in a fitting manner; the fixing device comprises a mold and sealing rings, the sealing rings are arranged at the top and the bottom of the mold, the bottom sealing ring is connected with the shell, and the top sealing ring is connected with the cable; glue can be injected into the mold, and the mold can be detached after the glue is solidified. According to the utility model, the grooves are arranged in the shell, and the grooves can absorb and buffer impact generated by explosion. Sealing rings are arranged at the top and the bottom of the mold, so that the fixing effect between the mold and the shell and the cable can be effectively enhanced, and looseness caused by vibration or environmental influence is avoided.
Owner:GUANGZHOU YONGYIBANG ELECTRONIC TECH CO LTD
Cable joint shared by multiple cables
ActiveCN224138710UAvoid mutual crushing and frictionExtended service lifeCable junctionsThermal dilatationStructural engineering
The utility model relates to a cable joint shared by multiple cables, which is applied to the field of cable connectors and comprises a mounting pipe, a positioning rod is arranged in an inner cavity of the mounting pipe, a plurality of partition plates are fixedly connected between the outer surface of the positioning rod and the inner wall of the mounting pipe, and a cushion block is fixedly connected between every two adjacent partition plates. According to the invention, the interior of the mounting pipe is divided into a plurality of independent spaces through the partition plates and the positioning rods, so that the cables are divided into independent chambers, and then the plurality of cables are limited and fixed at the same time, thereby effectively avoiding the mutual extrusion and friction among the plurality of cables, and improving the stability of the cables. According to the cable joint, the insulation layer abrasion caused by vibration or thermal expansion is effectively reduced, the service life of the cable is prolonged, the position of the pressing plate is adjusted by controlling the movement of the adjusting rod, so that the cables with different diameters can be conveniently limited and fixed, and the practicability of the cable joint is effectively improved.
Owner:SUZHOU DINGXIN COLD & HEAT SHRINKABLE MATERIAL CO LTD
A fixing device for solving the difficulty in connecting 10kV line cable and bypass cable
ActiveCN115642540BSuspension arrangements for electric cablesCable junctionsTransformerEconomic benefits
The application discloses a fixing device for solving the difficulty in connecting a 10kV line cable and a bypass cable, and mutually clamped first clamping jaws and second clamping jaws, one end of the first clamping jaws and the second clamping jaws is connected with a clamping piece, the inside of the upper end clamping piece of the first clamping jaw is provided with a hanging head, and the inside of the lower end clamping piece of the second clamping jaw is provided with a cable bridging device. The device is provided with safety reduction safety risks. In the load transfer work of the 10kV line cable head in the station, after the device is used, the phase-to-phase short circuit risk is reduced, the safety of the operating personnel is effectively guaranteed, and the economic benefit of the company is effectively improved. Under normal circumstances, the 10kV line in the transformer substation needs to be powered off for primary and secondary equipment maintenance, testing, and comprehensive self-reconstruction, which causes a large number of households to be powered off and a long power-off time. After the device is used, the whole station power-off can be avoided, the power supply capacity is improved, and the labor intensity is reduced.
Owner:YUNNAN POWER GRID CO LTD WENSHAN POWER SUPPLY BRANCH
Temperature measurement plug of ring main unit
ActiveCN224218097Ureduce stress concentrationextend your lifeThermometer detailsBatteries circuit arrangementsEpoxyCapacitance
The utility model discloses a ring main unit temperature measurement plug, which belongs to the technical field of temperature measurement plugs, and comprises a base and a circuit board, the outer side wall of the base is provided with a shell, one side of the base is provided with a rectangular groove, the other side of the base is provided with an overheat protection assembly, and one end of the shell far away from the base is provided with a metal connecting piece. An electromagnetic induction assembly is arranged at the end, located in the shell, of the metal connecting piece, and the circuit board is arranged in the overheating protection assembly. According to the utility model, the electromagnetic induction assembly is arranged, the cylindrical electrode plate, the metal connecting piece and the epoxy resin form a suspension capacitor, an alternating electric field is utilized to supply power to the circuit board and the energy storage capacitor bank, passive work is realized, stress concentration of the cylindrical electrode plate is reduced through the round hole, and the overheating protection assembly is arranged to protect the electromagnetic induction assembly. When the detected temperature is greater than or equal to 80 DEG C, the circuit board electrifies the miniature electromagnet, the mounting ring is attracted to compress the reset spring, the circuit board is driven to be separated from the heat conduction copper sheet, and a heat conduction path is blocked.
Owner:NANJING YADIAN POWER AUTOMATION CO LTD
An airtight structure for marine communication cables
ActiveCN224289266UEnhance seal contact pressureImprove air tightnessEngine sealsCable junctionsClassical mechanicsStructural engineering
This utility model relates to the field of marine cables and discloses an airtight structure for marine communication cables, including a connector. Six grooves are formed on the outer surface of the connector at both ends. A slider is slidably connected inside each groove. Pull rings are fixedly connected to the outer surfaces of the six front sliders and the six rear sliders. Connecting cylinders are fixedly connected to the far-away surfaces of the two pull rings. Fixing rings are fixedly connected to the far-away surfaces of the two connecting cylinders. Conical compression rings are fixedly connected to the far-away surfaces and inner rings of the two fixing rings. The progressive compression of the conical compression rings fills the gap between the connector and the cable. The outer diameter of the front end matches the inner diameter of the connector, and the inner diameter of the rear end matches the inner diameter of the connector, forming a tight fit. The conical shape generates radial expansion force during axial movement, effectively enhancing the sealing contact pressure and significantly improving airtightness. Simultaneously, the conical shape can adaptively deform during cable vibration, maintaining a dynamic sealing effect.
Owner:SHANDONG CHINA SHIPPING CABLE CO LTD