276results about "Cable terminations" patented technology

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.

The invention relates to the technical field of high-altitude drilling operation, in particular to a modular quick-connection vibroflotation guide rod and a using method thereof.The modular quick-connection vibroflotation guide rod comprises an upper guide rod and a lower guide rod, a male connector assembly is arranged at the bottom end of the upper guide rod, the modular quick-connection vibroflotation guide rod comprises a male connector body and a connecting ring rotationally arranged outside the male connector body in a sleeving mode, and a clamping piece is arranged on the connecting ring in a protruding mode. And an axial guide key groove and an L-shaped guide groove are formed in the female joint body of the lower guide rod. During insertion, the axial guide key groove limits rotation of the male joint main body, and pure axial blind insertion of an internal pipeline is guaranteed; meanwhile, the clamping piece slides in along the L-shaped guide groove, the connecting ring is forced to rotate in the radial direction and is matched with the inner and outer conical surfaces to achieve zero-clearance locking. When the pipe is pulled out, the unlocking sliding sleeve is upwards and linearly lifted, the sliding pin forces the clamping piece to be unscrewed and unlocked, and meanwhile the internal micro-channel one-way valve is triggered to introduce high-pressure fluid to wash silt. Dynamic and static separation and manual-free one-key unlocking in the inserting and pulling process are achieved, and the reliability and efficiency of ultra-deep vibroflotation construction are greatly improved.

The utility model relates to the technical field of new energy automobiles, and discloses a novel high-voltage wiring harness cable gland sealing ring of a new energy automobile. Which comprises a cable body and is characterized by further comprising a sealing ring body arranged on the outer side of the cable body and used for improving the sealing performance of a wire harness, a sealing nut used for pressing the sealing ring body is installed on the outer side of the cable body, a cable connector body is arranged on the outer side of the cable body, a sealing nut is fixedly connected to one side of the sealing nut, and the sealing nut is fixedly connected to the other side of the sealing nut. The inner wall of the sealing nut is in threaded connection with the outer side of the cable joint body, the cable joint body is installed, the sealing ring body is installed in the sealing nut, the sealing ring body can be used for improving wire harness sealing, the sealing ring body is of a non-closed zigzag structure, the thickness of the sealing ring in the high-pressure cable gland is increased, and the sealing performance of the high-pressure cable gland is improved. Therefore, the sealing, waterproof and dustproof performance of the cable gland of the high-voltage wire harness is greatly improved.

The invention relates to a conductor guiding apparatus (1) comprising a movable, flexible cover (2) with channel-like recesses (7) for conductors (8) and end fastening apparatuses (20), each comprising two clamping plates (210) with main faces (22) for exerting a clamping force and each having a retaining region (211) for tension relief elements. The retaining region prevents the tension relief elements on the clamping plate from shifting in the longitudinal direction and, according to the invention, forms a profile cross-section (220) having an undercut (221). The tension relief elements (23A; 23G) each have at least one connection region (230) which corresponds with the profile cross-section (220) of the retaining region for interlocking engagement in order to also retain the tension relief element (23A; 23G) in the direction perpendicular to the main face (22) on the clamping plate (210). The invention further relates to a variant of the end fastening apparatus comprising two plate connectors (240A; 240B) for holding the clamping plates (210) together in each case on a lateral end region (214), each having two opposite clamp regions (242) for interlocking interaction with an end region (214).

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.

An apparatus for retrofitting a HID lighting system includes using existing components of previously installed HID lighting systems such as its ballasts while replacing some capacitors to adjust the power supplied to a retrofit LED luminaire. Unused ballast drivers are removed, and a self-contained ballast driver assembly is mounted into the electronic control enclosure of the previously installed lighting system. Some of the retrofit LED luminaires include an uplighting lens, an optic, or a diffuser for providing uplight. An aiming bracket and an aiming plate allow for the horizontal aiming angle of a light luminaire to be set.

The invention relates to a cable and a cable assembly with the cable, the cable assembly comprises the cable and a butt joint part connected with the cable, the cable comprises a center conductor and an insulator wrapping the center conductor, the center conductor comprises a terminating end, the terminating end is exposed out of the insulator, and the butt joint part is connected with the cable. The butt joint component comprises a horizontal plane connected with the end connecting end, and the end connecting end comprises a bottom plane matched with the horizontal plane and a bottom plane opposite to the bottom plane. The impedance matching performance of the cable terminating area is good.

The utility model relates to the technical field of cable terminals, in particular to a cable terminal mounting structure which comprises a cable terminal body, a cable branch is mounted on the end side of the cable terminal body, a mounting groove is formed in the bottom surface of the cable terminal body, and a detachable cable body is clamped in the mounting groove. The bottom surface of the cable terminal body is provided with a sealing groove, and a sealing ring is clamped in the sealing groove. According to the utility model, the cable and the cable terminal head are preliminarily positioned through the clamping connection of the mounting groove, and then are fastened by the fastener, and the design of the fastener enables the connection between the cable body and the cable terminal head body to be firmer, thereby effectively preventing the connection looseness caused by vibration, electromagnetic force and other factors in the power transmission process, and improving the reliability of the cable terminal head. Compared with a traditional cable terminal installation mode, the cable terminal installation method has the advantages that complex operation steps are reduced, the requirement for professional skills of constructors is lowered, and the installation efficiency is improved.

The utility model relates to a kind of anti-back thread cable accessory and connector assembly, the cable accessory includes sleeve and the connecting nut of rotation being set at the outer periphery of the sleeve front end, the sleeve outer periphery is equipped with locking sleeve along radial direction, the front end of the locking sleeve and connecting nut are matched to realize circumferential rotation stop by concave-convex structure, rear end and sleeve are matched to realize circumferential rotation stop by concave-convex structure;The connection of the radial position of the locking sleeve makes locking sleeve keep in the state of circumferential rotation stop with connecting nut and sleeve.The utility model cable accessory is added locking sleeve along radial direction assembly fixed and disassembled between connecting nut and sleeve, the anti-back of connecting nut is realized by the circumferential rotation stop of locking sleeve and connecting nut and sleeve, not only simple structure, and assembly and disassembly operation are simple, can realize quick assembly and disassembly.

The utility model discloses a long cable connecting device for an irradiation-resistant camera, and belongs to the technical field of nuclear waste treatment. The long cable connecting device comprises a connecting assembly, a long cable and a metal hose, the connecting assembly is used for being connected with an irradiation-resistant camera, and the connecting assembly is made of an acid-resistant material; one end of the long cable penetrates into the connecting assembly and is electrically connected with a cable of the radiation-resistant camera, and the other end of the long cable penetrates out of the connecting assembly and is connected with hoisting equipment; and the metal hose is made of an acid-resistant material, is connected to the top end of the connecting assembly, and is used for coating the part, penetrating out of the connecting assembly, of the long cable. According to the utility model, the long cable is separated from the acid mist environment through the metal hose, so that the problems of aging and cracking of the long cable in the acid mist corrosion environment for a long time can be solved, and the stability and reliability of remote monitoring of the irradiation-resistant camera are ensured; and the tension effect at the joint of the long cable and the irradiation-resistant camera can be eliminated, and the long-term sealing effect of the long cable connecting device is ensured.

The application relates to a power transmission capacity management device based on a virtual power plant and an operating method, and belongs to the technical field of virtual power plant terminals. The device comprises a hollow terminal shell and a plurality of electronic devices arranged in the terminal shell, further comprises a wiring assembly, the wiring assembly comprises clamping devices and cable joints, the clamping devices are used for clamping metal parts at one end of the cables, and the two ends of the cable joints are connected with the clamping devices and the electronic devices respectively. By arranging the clamping devices, the clamping devices are completely attached to the metal parts at one end of the cables. Compared with the existing wiring heads, the contact area between the wiring head and the metal parts of the cable is larger, the problem that the contact area between the traditional wiring head and the cable is not complete is solved, once the current transmitted between the cable and the wiring head is too large, the current is concentrated in a local area, due to the large current density, the conductivity is reduced, heat is easily generated, even sparks, thereby causing current overload, short circuit or other safety hazards.

A ground cone for providing electrical contact to an interior of a conduit is provided. The ground cone includes a cone body including one or more tabs positioned on the cone body and extending radially outward from the cone body, the one or more tabs positioned separately from one another. At least one of the one or more tabs has a helical edge, the helical edge shaped to be received in a groove of a thread. The cone body includes a cap end and a bottom end opposite the cap end. The ground cone also includes a cap extending longitudinally from the cone body at the cap end and extending toward the bottom end. The cone body and the cap define a channel sized to receive an end of a conduit therein.

The utility model discloses a quick-connection type explosion-proof joint convenient to install. The quick-connection type explosion-proof joint comprises a pipeline joint and a movable joint, the pipeline connector is fixed on a pipeline, the movable connector comprises a middle connector and an outer connector, threaded connectors are arranged on the two sides of the middle connector, and threaded grooves are formed in the pipeline connector and the outer connector; the middle connector is sleeved with sealing rings on the threaded connectors on the two sides, and after the middle connector is connected with the pipeline connector and the outer connector in place, the sealing rings are extruded and deformed in gaps of the connecting positions. The middle connector locks the pipeline joint and the outer joint through the same locking mechanism; according to the explosion-proof joint, the explosion-proof joint for preventing loosening is arranged, so that the explosion-proof joint cannot be loosened and is very stable even when being impacted externally during long-time use, and meanwhile, the stable sealing of the sealing ring is improved; the sealing rings are extruded and deformed between the two corresponding annular tooth grooves, the sealing effect is further achieved, the deformed sealing rings can form multi-circle sealing at the extrusion positions of the annular tooth grooves, and the sealing performance is high.

A telecommunications cable termination box is wall mountable. An interior holds fiber optic splices, fiber optic connectors and adapters, and blown fiber tubes. The interior of the box is sealed. The box has an outer housing and an inner tray. The outer housing includes a hinged cover, snaps for holding the cover to the base, and a seal between the cover and the base, and a tray flange of the tray. Cable slack is managed in the interior to avoid sharp bends of the cables. The cable input ports and output ports are sealed by grommets. Different grommets can be provided depending on the number of cables and the cable sizes. The inner tray can hold gas block seal devices that seal the ends of the blown fiber tubes.

The invention relates to an electric field distribution material obtained from a formulation comprising a polymer matrix and a charge or mixture of charges imparting a nonlinear electrical resistance to said material. According to the invention, this charge or mixture of charges is homogeneously dispersed within the polymer matrix, and the formulation comprises lamellar graphite as the sole charge or as the major charge by volume of said mixture. The invention also relates to a method for manufacturing such an electric field distribution material, its use, and a device comprising it, as well as to the use of lamellar graphite for manufacturing such a material.

The utility model provides a cable waterproof joint, and belongs to the field of electrical technology. The cable waterproof joint solves the problem that an existing cable waterproof joint is insufficient in waterproof performance. According to the cable waterproof connector, a connector containing cavity is formed in the middle of the interior of a connector base, locking caps are connected to the front end and the rear end of the connector base in a threaded mode, a wire fixing rubber pipe and a clamping ring arranged on the wire fixing rubber pipe in a sleeving mode are arranged in the locking caps, an annular mounting groove is formed between an inner mounting ring and an outer mounting ring, and a first sealing ring arranged on the inner mounting ring in a sleeving mode is arranged in the mounting groove; an annular sealing lip is arranged on the outer circumferential face of the first sealing ring, the inner end of the locking cap extends into the mounting groove and is in threaded connection with the inner circumferential face of the outer mounting ring, a second sealing ring is arranged on the bottom face of the mounting groove, the inner end face of the locking cap abuts against the second sealing ring, and the sealing lip is tightly attached to the inner circumferential face of the inner end of the locking cap. According to the structure, the sealing and waterproof effects of the joint of the locking cap and the joint seat are remarkably improved, and the overall waterproof effect of the waterproof joint is further improved.

The utility model relates to a kind of cable joint terminal connecting device, including sleeve, the top of sleeve is fixedly connected with sleeve, the inside of sleeve is detachably connected with terminal, the inside of sleeve is equipped with sealing ring below, the top of sealing ring is fixedly connected with pressing plate, the inside of sleeve is slidably connected with first arc plate on both sides by slide bar, the top of first arc plate is fixedly connected with second arc plate, the inside of sleeve is provided with transmission assembly;The utility model provides a kind of cable joint terminal connecting device, solve the cable terminal head in prior art when being used outdoors, lack the stable fixing mechanism of sealing ring, easily make the cable terminal head long-term suffer from rain and sun and thus cause sealing ring to soften deformation, cause the sealing failure of terminal, thus there is the leakage of rainwater in rainy day, cause the problem of discharge breakdown, and then reduce the service safety and service life of terminal cable joint.

The utility model relates to the field of cable joints, in particular to a cable protection connector with an anti-skid function, which comprises a protection sleeve, a fixing frame and an anti-skid component, the fixing frame comprises a threaded section, a connecting block and a fixing block, the threaded section is sleeved on the protection sleeve, the connecting block is fixedly arranged at the lower end of the threaded section, the fixing block can be close to or far away from the connecting block, and the anti-skid component is arranged on the fixing block. The anti-skid assembly comprises an anti-skid ring and an anti-skid ring, pawls are arranged on the anti-skid ring, the anti-skid ring is in threaded connection with the threaded section, ratchet tooth surfaces are arranged on the upper surface and the lower surface of the anti-skid ring, and the anti-skid ring is located below the anti-skid ring. According to the utility model, the anti-slip rings and the anti-slip rings are arranged, one-way rotation between the anti-slip rings is realized through the ratchet wheel tooth surface and the pawls, and anti-slip is realized when the anti-slip rings extrude each other; and through the arrangement of a connecting block, a clamping block and a connecting bolt, the device can adapt to protective sleeves of different sizes, so that the application range is widened.

The utility model provides a cable terminal structure. The cable terminal structure comprises a shell, a guide connection assembly, an adapter, a first conductor and a second conductor, a cavity is formed in the shell, and the guide connection assembly, the adapter, the first conductor and the second conductor are all arranged in the cavity of the shell; the first conductor, the second conductor and the guide connection assembly are respectively positioned on three sides of the adapter and are electrically connected with the adapter; wherein the first conductor and the second conductor are detachably connected with the adapter; the shell is provided with a first through hole which is opposite to the first conductor, and the shell is provided with a second through hole which is opposite to the second conductor; the shell is provided with a guide connection hole suitable for inserting a cable joint; the cable connector extends into the cavity of the shell through the guide connection hole, and the cable connector is electrically connected with the adapter through the guide connection assembly. The cable terminal is provided with the two adapters in different directions, so that the cable joint can be connected with different devices at the same time, and the expansibility of the cable terminal can be improved.

The utility model relates to the technical field of cable end protective sleeves, and discloses a high-sealing insulated cable end protective sleeve, which comprises fixing rings for contraction and fixation, connecting rings are fixedly connected to the opposite ends of the fixing rings, adjusting rings are rotatably connected to the opposite ends of the connecting rings, and the adjusting rings are rotatably connected to the fixing rings. The inner wall of the adjusting ring is connected with a transmission screw rod through a gear set, the opposite ends of the fixing rings are fixedly connected with a plurality of sliding groove pipes, the outer wall of the transmission screw rod is connected with a supporting plate through a supporting set, the sheath body is used for preventing corrosion, and the outermost layer of the sheath body is provided with a perfluoroether rubber protection layer. And a ceramic silicone rubber flame-retardant layer is arranged on the inner side of the perfluoroether rubber protective layer. According to the utility model, firm fixation of the sheath body between cable ends is ensured, loosening or falling in the use process is prevented, and extreme environment tolerance, uniform stress distribution, heat management optimization and protection reliability improvement are realized.

To prevent sleeve misalignment.SOLUTION: A shield conductive path 100 includes a shield wire 10 in which a sheath 14 surrounds a shield layer 13 surrounding a core wire 11, and a sleeve 15 that is arranged to surround the outer periphery of the shield layer 13 extending forward in the axial direction of the shield wire 10 from the front end of the sheath 14, and further includes an abutment portion 15A that extends rearward in the axial direction from the rear end of the sleeve 15 and abuts the front end of the sheath 14.SELECTED DRAWING: Figure 1

To provide an offshore system comprising a dynamic submarine power cable.SOLUTION: An offshore system comprises: a dynamic submarine power cable 11; a bend stiffener 9 having a lower end 9b and an upper end 9a, the bend stiffener 9 having a central channel extending from the lower end 9b to the upper end 9a, the central channel receiving the dynamic submarine power cable 11 with a radial spacing between an inner surface of the central channel and an outer surface of the dynamic submarine power cable 11 along the length of the dynamic submarine power cable 11 arranged in the bend stiffener 9, the radial spacing forming a longitudinal channel between the bend stiffener 9 and the dynamic submarine power cable 11; and a fluid flow device 13 configured to generate a fluid flow inside the longitudinal channel.SELECTED DRAWING: Figure 2

The application provides a waterproof joint with good sealing performance, and relates to the technical field of waterproof joints.The waterproof joint comprises a cable and a waterproof mechanism.The waterproof mechanism comprises a first outer hexagonal ring, one side of the first outer hexagonal ring is provided with a locking ring, three groups of spacing rings and three groups of intermediate rings are arranged between the first outer hexagonal ring and the locking ring, the three groups of spacing rings and the three groups of intermediate rings are arranged alternately, three groups of hinged rods are arranged between two adjacent groups of spacing rings, the three groups of hinged rods are arranged alternately, three groups of communication holes are arranged in the side walls of each group of intermediate rings, an outer threaded ring is connected to the other side wall of the locking ring, arc surface plates are hingedly connected to the hinged rods, the arc surface plates are provided in nine groups, are divided into three layers, and the three layers of arc surface plates are arranged alternately.The waterproof mechanism is arranged, water can be effectively prevented from penetrating into the cable through the connecting part, the service life of the cable is prolonged, and the long-term stable and reliable operation of the electrical system is ensured.

The utility model provides a cable with a sealed moisture-proof cable end, which relates to the technical field of moisture-proof cables and comprises a cable body, a connecting ring is sleeved at one end of the cable body, a sealing sleeve is arranged at one end of the connecting ring, and a fixing ring is mounted at the joint of the connecting ring and the sealing sleeve. Auxiliary rotating structures are arranged on the two sides of the outer wall of the fixing ring, each auxiliary rotating structure comprises a pulling plate, a containing groove is formed in the outer wall of the fixing ring, the pulling plates are installed in the containing grooves, a rectangular block is fixedly arranged at one end of each pulling plate, shaft pins are arranged at the two ends of each rectangular block, and the rectangular blocks are rotationally connected in the containing grooves through the shaft pins. According to the utility model, multiple moisture-proof sealing treatment can be carried out on the cable end, the service life of the cable is prolonged, an operator can conveniently and easily rotate the fixing ring to disassemble and assemble the connecting ring and the sealing sleeve, the situation that the fixing ring is too tight in connection or difficult to disassemble due to corrosion is avoided, and the use effect is improved.

The patent application is bullet train traction motor sensor signal cable lock connector and traction motor sensor, wherein the bullet train traction motor sensor signal cable lock connector, wherein the connecting nut includes an outer connecting nut and an inner connecting nut, the outer connecting nut is bolted with the probe pipe, and the outer connecting nut is locked with the main lock washer between the probe pipe and the end face of the outer connecting nut; the inner connecting nut is sleeved on the rear side pipe body of the connecting pipe locking boss, is matched with the rear inner thread of the outer connecting nut, and the inner end face is matched with the locking boss to lock the connecting pipe. The traction motor sensor comprises a sensing probe, a sensing signal cable, a metal pipe and the bullet train traction motor sensor signal cable lock connector. The technical scheme solves the technical problem that the lock washer cannot be considered after being added, the metal connecting pipe is fastened, and the lock washer is locked and assembled, and completely meets the strict technical requirements of CHR5A bullet train set on the installation of the traction motor sensor.

An apparatus for retrofitting a HID lighting system includes using existing components of previously installed HID lighting systems such as its ballasts while replacing some capacitors to adjust the power supplied to a retrofit LED luminaire. Unused ballast drivers are removed, and a self-contained ballast driver assembly is mounted into the electronic control enclosure of the previously installed lighting system. Some of the retrofit LED luminaires include an uplighting lens, an optic, or a diffuser for providing uplight. An aiming bracket and an aiming plate allow for the horizontal aiming angle of a light luminaire to be set.

The application belongs to the technical field of downhole intelligent tools, and discloses an intelligent well completion downhole electro-hydraulic composite monitoring system, which comprises a supporting pipe, a downhole electro-hydraulic composite monitoring unit and a pressure communication pipe, the downhole electro-hydraulic composite monitoring unit is fixed on the supporting pipe through five first inner hexagonal screws and five second inner hexagonal screws, a hydraulic reversing assembly, a monitoring assembly and a control assembly are arranged in the valve body of the downhole electro-hydraulic composite monitoring unit, the hydraulic reversing valve and the monitoring system are integrated in the application, and the semicircular valve body structure is used, so that the overall layout is more compact, the volume is significantly reduced, the downhole tool can be lowered into the wellbore annular space in a limited scene, can smoothly pass through a complex downhole path with a small bending angle, most of the parts are selected from standardized components, and complex custom processing is not needed, so that the machining difficulty is greatly reduced.

The invention relates to a cable outlet cover for sealing a portion of at least one cable, comprising: a first cover member and a second cover member, the second cover member being configured to cooperate with the first cover member to define at least one inlet into which a portion of a corresponding cable passes, wherein the at least one inlet comprises at least one sealing seat for accommodating dispensed sealing material sealing a gap between the at least one sealing seat and the corresponding cable. The at least one sealing seat comprises a clamping device configured to provide a uniform distribution of the dispensed sealing material along the at least one sealing seat and to avoid thinning of the dispensed sealing material in critical areas of the at least one sealing seat (close to a split line of the cable outlet cover).

The invention discloses a cable and cable protection tube integrated locking type cable gland, the cable protection tube sleeves a cable, and the cable protection tube comprises a cable gland main body, a sealing member, a clamping mechanism and a nut; the cable and the cable protection pipe are sleeved with the sealing piece, the sealing piece is sleeved with the clamping mechanism, the cable, the sealing piece and the clamping mechanism are sleeved with the cable main body, and the nut is screwed on the cable main body and the cable protection pipe. The sealing piece has axial and radial deformation along with screwing of the nut. According to the invention, the nut is tightened to drive the sealing element to deform axially and radially, so that the cable and the cable protection tube are sealed, the structure is simple, and the sealing performance is good; and moreover, the part composition of the cable gland is simplified, the part cost can be reduced, the mounting steps are simplified, and the cable gland is more convenient to use.