638results about "Cable terminations" patented technology

A rotary actuator includes a housing having a first end and a second end spaced from the first end along an axis. The housing defines a cavity extending circumferentially about the axis. An output shaft is arranged coaxially with the axis. The output shaft extends outwardly from the cavity through the first end. A drive system is disposed in the cavity and axially spaced from the first end. A gearbox is disposed in the cavity between the output shaft and the drive system. The gearbox is coupled to the drive system and the output shaft. A rotational controller is disposed in the cavity between the drive system and the second end. The rotational controller is configured to actuate the drive system to adjust an angular position of the output shaft.

Device comprising at least a top-side hood (10) for receiving an electrical component, such as a terminal block, for attaching at least one electrical conductor, and a bottom-side base (14) which is provided with a bottom-side opening (16) for receiving another electrical component, such as an insulating candle, which can be electrically connected to the first electrical component, characterized in that the hood (10) and the base (14) are two separable components which, when assembled, form a cover (18) as a whole and which, by means of a height adjustment (20) with a locking device, assume such different positions relative to each other that differently designed electrical components in a predefinable mounting frame can be covered with only one cover (18).

The invention relates to the technical field of submarine cable equipment, and provides a dynamic submarine cable quick release device for isolating marine organism attachment, which comprises a female plug, a male plug, a traction component, an automatic mounting and releasing mechanism and an elastic pin lock catch mechanism, and is characterized in that the automatic mounting and releasing mechanism is used for movably limiting the male plug and the female plug; the automatic mounting and releasing mechanism is of a closed structure; the elastic pin lock catch mechanism has a first locking state for locking the male plug and the traction component in advance and a second unlocking state for unlocking the male plug and the traction component after the male plug and the female plug are locked. The working efficiency is improved, divers do not need to dive underwater for operation, and the operation safety risk of the divers is reduced; meanwhile, the marine organism adhesion resistance of equipment is effectively enhanced, and the underwater service life and reliability of the equipment are improved.

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.

A terminal cover includes a terminal protector having an opening part that is open upward, a wire protection part provided rearward continuously with the terminal protector, and a lid joined to a front end of the wire protection part via a hinge and configured to open and close the opening part from above. A latching wall including a latching boss is provided to extend upward on an upper surface of the wire protection part. In a closed state in which the opening part is blocked off, the lid includes a protruding part protruding upward of the upper surface of the wire protection part, and a surrounding part provided continuously downward from the protruding part and widening outward from the protruding part. Also, the protruding part is provided with a latching part.

One aspect of the invention relates to an electrical connection device comprising a cable (10) and an electrical connector (30) connected to one end of the cable (10), wherein the cable is a cable with a coaxial structure comprising a conductive core (11) surrounded successively by a first semiconductor layer (12), an insulating layer (13) and a second semiconductor layer (14).

The invention relates to the technical field of cable accessories, in particular to a waterproof outdoor cold shrink cable terminal. The invention provides a waterproof outdoor cold shrink cable terminal. The waterproof outdoor cold shrink cable terminal comprises an elastic sleeve, a first sealing air bag, a spiral supporting piece, a second sealing air bag and a first connecting pipe. A first sealing air bag is fixedly connected in the elastic sleeve, a spiral supporting piece is arranged between the elastic sleeve and the first sealing air bag, a second sealing air bag is arranged on the lower portion in the elastic sleeve, and a first connecting pipe is connected between the first sealing air bag and the second sealing air bag. Through the design of the elastic sleeve, the first sealing air bag, the second sealing air bag and the spiral supporting piece, the spiral supporting piece is pulled out to squeeze air in the first sealing air bag into the second sealing air bag so as to enable the second sealing air bag to expand, and the second sealing air bag wraps the periphery of the cable; therefore, outside rainwater and the like are difficult to enter between the elastic sleeve and the cable, and rainwater infiltration is effectively prevented.

The invention relates to a connecting device and method for testing a photoelectric liquid composite submarine cable, and the device comprises a clamping assembly which comprises a first sleeve, a clamping part and a second sleeve, the diameter of the clamping part is gradually reduced in the direction close to the first sleeve, the clamping part can stretch into the first sleeve, the second sleeve comprises a clamping part, and the clamping part is connected with the clamping part. The clamping part can extend into the clamping piece, the first sleeve is connected with the second sleeve, and a wire passing hole is formed in the side wall of the second sleeve; the connecting piece is connected with one end, far away from the clamping part, of the second sleeve, and a plurality of through holes communicated with the second sleeve are formed in the connecting piece; the sealing piece is provided with a pressurizing cavity, the through hole is communicated with the pressurizing cavity, the sealing piece is provided with a pressurizing hole communicated with the pressurizing cavity, and the sealing piece is connected with the connecting piece. According to the connecting device and the connecting method for testing the photoelectric liquid composite submarine cable, the connecting efficiency of the photoelectric liquid composite submarine cable can be improved.

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 the technical field of cable head sealing devices, in particular to a cable head automatic sealing device. According to the technical scheme, the cable head sealing device comprises a sealing cylinder and further comprises an external thread sleeve and an internal thread sleeve, when a cable head is sealed, the internal thread sleeve is screwed on the side wall of the external thread sleeve, and the external thread sleeve is fixedly connected to the end of the sealing cylinder through a connecting ring; and the sealing piece is attached to the outer wall of the cable under the extrusion action of the pressing piece. The cable head sealing device is ingenious in structural design and convenient to operate, after the inner threaded sleeve is screwed on the side wall of the outer threaded sleeve, sealing of the cable head is preliminarily completed, the device is fixed to the side wall of the cable, after the inner threaded sleeve is screwed, the pneumatic mechanism is automatically triggered, then the annular air bag is triggered to expand, and the cable head is sealed. The sealing effect on the cable head is further completed, the dual-sealing effect is achieved, and the cable cannot be damaged; the device can be detached and reused after being used, and is safe and environment-friendly.

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).

The utility model provides a protective cap for a cable terminal, a protective assembly and a cable assembly. The protection assembly comprises a protection cap and a protection cover which are arranged on the cable terminal in a sleeving mode, the protection cap comprises a first barrel and a protruding part protruding outwards in the radial direction of the insertion end of the first barrel, and the protection cover comprises a second barrel and a stopping part protruding inwards in the radial direction of the inner surface of the side wall of the second barrel. An axial groove is formed in the side wall of the second barrel, the protruding part can slide in the axial groove so that the inserting end of the first barrel can be inserted into the second barrel, the first barrel inserted into the second barrel can rotate to a locking position in the second barrel in the first direction, and the second barrel can rotate to a locking position in the second direction. In the locking position, the protruding part interferes with the stop part so as to prevent the protective cap from being separated from the protective cover in the axial direction. The protection assembly is easy to assemble and high in retaining force.

A cable splice between a first electrical cable and a second first electrical cable together in a downhole environment, the first electrical cable including at least a first conductor, the second electrical cable including at least a second conductor bringing the first conductor into electrical contact with the second conductor forming a closed chamber around the first electrical cable and a second first electrical cable melting a low temperature metal or metal alloy and encapsulating the first electrical cable and a second first electrical cable in the penetrator body this metal or metal alloy.

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.

To provide a power cable termination connection portion with high workability during manufacturing, and a manufacturing method thereof.SOLUTION: A power cable termination connection portion 2 to which a termination portion of a power cable 1 is connected includes: a cable holder 3 having an insertion hole 20 into which a central conductor 11 and an insulating layer 12 of the power cable 1 are inserted; and a metal tubular member 4 fixed to the end of the cable holder 3 and housing parts of a shielding layer 13 and a sheath 14, The cable holder 3 includes: an insulator 30 made of a polymer-based material; and semi-conductors 31 to 33 made of a polymer-based material to which conductivity is imparted by a conductivity-imparting agent. The tubular member 4 includes an embedded portion 41 embedded in the cable holder 3, and a cylindrical portion 42 exposed from the cable holder 3. The cylindrical portion 42 has an annular stepped portion 423 formed on an inner peripheral surface 42a, and the inner diameter of the portion closer to the embedded portion 41 than the stepped portion 423 is smaller than that of on the side opposite to the embedded portion 41 relative to the stepped portion 423.SELECTED DRAWING: Figure 1

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.

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

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 application discloses an ultrahigh-pressure lead seal monitoring cable terminal and particularly relates to the technical field of cable terminals, which comprises a protection box, a support monitoring assembly is arranged in the protection box, the support monitoring assembly comprises an inner lining frame arranged in the protection box, a rotating disc is rotatably connected to one side of the inner lining frame, a plurality of guide frames are distributed on the outer side of the rotating disc, and each two adjacent guide frames are provided with a supporting plate at one end. The application can automatically adjust the position of the supporting plate by spring compression buffering and triggering displacement sensor feedback data to the controller, ensure that the cable always maintains the optimal tension during the conveying process, significantly improve the wiring safety and efficiency, capture the electromagnetic wave and pulse current generated by the PD in the cable, combine the sensors in the triangular layout close to the cable surface, realize the early positioning of the cable defects, replace the current transformer with an acceleration sensor, perceive the external force vibration risk, realize the insulation aging early warning, the poor contact diagnosis and the sealing failure judgment, and support the predictive maintenance.

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 utility model belongs to the technical field of insulating plugs, and particularly relates to an insulating plug of a cable joint with a temperature measuring function, which comprises a plug body, an insulating sleeve is arranged in the plug body, threads are arranged in the insulating sleeve, a temperature measuring sensor is arranged on the plug body, a square groove is fixedly mounted on the plug body, and the square groove is fixedly connected with the insulating sleeve. A square groove is formed in the plug body, a filter screen is fixedly installed in the square groove, a miniature fan is fixedly installed in the square groove, and a heat dissipation pipe corresponding to the miniature fan is fixedly installed in the plug body. The heat dissipation efficiency of the insulation plug of the cable joint can be improved through the installed miniature fan and the heat dissipation pipe, when the temperature in the plug body is too high and heat dissipation and cooling are carried out, the miniature fan works to extract air in the square groove, the extracted air is conveyed into the heat dissipation pipe, and the heat dissipation efficiency of the insulation plug is improved. When wind flows in the heat dissipation pipe, the heat dissipation efficiency of the insulation plug of the cable joint with the temperature measurement function can be improved.

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.

The invention relates to an electrical connection device comprising at least one terminal block and a lug, the terminal block being configured to receive the lug, and the lug being connected to an electrical cable (3) having an end. The terminal block comprises a terminal block body (11) having a hollow cylindrical portion, a plug (12) closing one side of the hollow cylindrical portion, and a conductive connecting bar connected to the end of said lug by a fixing element. The lug has a circular cylindrical portion configured to penetrate into the hollow cylindrical portion of the terminal block.

The utility model discloses a porcelain bushing type outdoor terminal capable of preventing radial pressure deformation, and relates to the technical field of porcelain bushing type outdoor terminals, the porcelain bushing type outdoor terminal comprises a porcelain bushing body, the bottom end of the porcelain bushing body is fixedly provided with a supporting assembly, the supporting assembly comprises a mounting plate and a pre-tightening sleeve, the top end of the mounting plate is fixedly provided with a second top ring, and the pre-tightening sleeve is fixedly provided with a second top ring. At least two insertion rods are fixedly installed at the top end of the second top ring, a first top ring is fixedly installed at the top end of the installation plate, the heat dissipation area can be increased through the corrugated design of the surface of the porcelain bushing body, the heat dissipation efficiency can be improved, overheating can be prevented, and meanwhile the cable conductor, the semi-conductive belt and the first waterproof belt are installed in the porcelain bushing body. The internal conductive part is usually made of copper or aluminum, the conductive performance is excellent, the conductor is connected with a high-voltage power supply and a load, current is transmitted in the operation process, meanwhile, the porcelain sleeve ensures that the porcelain sleeve is subjected to good insulation protection, and current leakage is prevented.

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.

To provide a wire assembly which has good cut-off performance between a resin mold member and a resin coating.SOLUTION: A wire assembly includes a wire having a conductor and a resin coating, a terminal member connected to the conductor at the end of the wire, and a resin mold member covering a region from the terminal member and the resin coating, wherein a value of a bonding work determined from surface free energy of the resin mold member, and surface free energy of the resin coating is equal to or more than 45 mJ / m2.SELECTED DRAWING: Figure 1

The utility model discloses a cable outdoor terminal and a protection assembly thereof. The protection assembly comprises an outer pad, a rubber pad and a binding rope; a containing interlayer is arranged on the bottom face, close to the middle, of the outer pad. The rubber pad is arranged in the containing interlayer. The plurality of binding ropes are connected to different positions of the outer pad; one end of the binding rope is connected to the outer pad, the connecting position surrounds the periphery of the accommodating interlayer, and the other end of the binding rope is provided with a fixer; the fixer is used for fixing the binding rope and tightening the binding rope; the outer pad is close to the rubber pad in an area outside the accommodating interlayer, and the outer pad is expanded by the corners of the rubber pad, so that the outer pad downwards surrounds the periphery of the rubber pad to form a protection cavity; the cable outdoor terminal is provided with the above protection assembly. According to the scheme, the outdoor cable terminal is protected, the outdoor cable terminal is easy to carry, mount and dismount, and the problem that the cable terminal is damaged when an object falls off in the cable construction process can be solved.