845results about "Cable terminations" patented technology

The present disclosure relates to a bushing including an electrical conductor comprising a terminal at a first end of the bushing. The bushing also includes an electrically insulating condenser core arranged around the conductor and defining a central longitudinal through-hole through which the conductor extends. The bushing also includes a plurality of concentric field-grading layers arranged in the condenser core, comprising an inner field-grading layer and an outer field-grading layer. The bushing also includes an electrically conductive head electrically connected with the conductor passing there through, forming a gas-tight cap of the first end of the bushing outside of the condenser core, sealingly engaging a circumferential lateral outer surface of the condenser core and sealingly engaging the conductor. The bushing also includes an electrically conductive connection between the inner field-grading layer and the head.

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.

The invention provides a manufacturing method of a rare earth aluminum alloy cable joint, and relates to the technical field of electric power connection, and the manufacturing method comprises the following steps: S1, preparing materials and tools; s2, the cable is processed; s3, connecting wire cores, exposed outside, of the cable together by using a connecting piece; s4, an insulating sleeve is additionally arranged outside the connecting piece; s5, sealing the two ends of the insulating sleeve; s6, the sealed insulation sleeve is subjected to inspection treatment; the connecting piece comprises a connecting rod and a plurality of connecting parts, and each connecting part comprises an extrusion area, limiting teeth and a mounting groove. The limiting teeth are arranged on the connecting piece between the connecting cables, so that the contact area between the connecting piece and the wire core can be effectively increased, the friction force between the wire core and the connecting piece is further increased, the stability of connection between the connecting piece and the wire core is improved, the energy loss in the electric energy transmission process can be well controlled, and the service life of the cable is prolonged. The service life of the cable can be prolonged; and safe operation of a power system is ensured.

The invention discloses a full-dry type high-voltage cable terminal, and relates to the technical field of cable terminals, the full-dry type high-voltage cable terminal comprises a sleeve, a wiring assembly, a supporting assembly and a cable, the sleeve is provided with a first end and a second end which are opposite to each other, a sleeve-shaped insulator is inserted into the inner side of the sleeve, a gap is reserved between the insulator and the sleeve, a sleeve-shaped semi-conductor is embedded into the inner side of the insulator, and the sleeve-shaped semi-conductor is connected with the wiring assembly. The through hole of the insulator and the through hole of the semi-conductor jointly form a wire passing channel, a filling layer is further arranged in the sleeve, the filling layer is located between the insulator and the sleeve to fill the gap, and the filling layer further extends towards the first end of the sleeve; the wiring assembly is arranged at the first end of the sleeve; the supporting assembly is arranged at the second end of the sleeve; the cable sequentially penetrates through the supporting assembly and the wire passing channel, and the cable is electrically connected with the wiring assembly. The full-dry type high-voltage cable terminal is provided with the solid insulating layer, the sleeve does not need to be filled with liquid silicone oil, and installation is easy and convenient and is not limited to vertical installation.

The utility model relates to the technical field of submarine cable maintenance, and provides a submarine cable armored steel wire fixing clamp and an underwater connector box. The fixing clamp for the armored steel wire of the submarine cable comprises a first fixing piece, a second fixing piece and a first connecting piece, the first fixing piece and the second fixing piece are used for clamping the armored steel wire between the first fixing piece and the second fixing piece, and the first connecting piece is used for fixing the first fixing piece and the second fixing piece so as to clamp the armored steel wire. According to the fixing clamp for the armored steel wire of the submarine cable, by arranging the first fixing piece, the second fixing piece and the first connecting piece, the armored steel wire can be clamped between the first fixing piece and the second fixing piece, it is guaranteed that the tensile property of the armored steel wire is not affected, and therefore the use requirement of the armored steel wire in the underwater working environment is met.

The utility model relates to the technical field of cold-shrink cable outdoor terminals, in particular to a cold-shrink cable outdoor terminal, which comprises a three-finger sleeve, a cable outer sheath is arranged at the bottom end of the three-finger sleeve, an insulating tube is arranged at the top end of the three-finger sleeve, a terminal body is arranged at one end, far away from the three-finger sleeve, of the insulating tube, and a cable outer sheath is arranged at the other end of the three-finger sleeve. One end of the terminal main body, which is far away from the three-finger sleeve, is provided with a sealing pipe, one end of the sealing pipe, which is far away from the terminal main body, is provided with a wiring terminal, and the outer side of the terminal main body is provided with a plurality of umbrella skirts which are arranged at equal intervals. The size of the umbrella skirt can be replaced according to requirements, the umbrella skirt is convenient to maintain when a single umbrella skirt is damaged, the whole umbrella skirt does not need to be replaced, the tedious process of whole replacement is avoided, in addition, due to the fact that the installation structure of the umbrella skirt is flexible, the installation position of the umbrella skirt is convenient to adjust, and use is convenient. Therefore, limitation is avoided in use.

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.

The utility model relates to the field of electrical engineering, in particular to a leading cable, an electric device, a motor and an electric vehicle. The leading cable is installed on an electric device and at least comprises a wire harness which at least comprises a plurality of electric wires formed by a plurality of power supply wires connected with an external power supply; the isolation sealing sleeve is sleeved on the wire harness and is provided with a plurality of wire holes for isolating and accommodating electric wires; the protection sealing sleeve is arranged on one side close to the power utilization device and is provided with a coating part which sleeves the outer side of the isolation sealing sleeve and an extension part which extends from the coating part to the direction far away from the power utilization device; a step part is arranged between the wrapping part and the extension part, and the fastener abuts against the step part, so that the wrapping part of the protection sealing sleeve is in interference fit with the power utilization device, and accumulated water is prevented from entering the power utilization device through a connection gap between the leading cable and the power utilization device.

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 utility model discloses a remote control and energy metering device based on a refrigerated container, and relates to the field of electricity metering of the refrigerated container, the remote control and energy metering device comprises a power supply line connected with a plug-in cable and a relay joint movably arranged between the power supply line and the plug-in cable, and the power supply line is provided with a current and voltage detector. The power supply circuit and the current and voltage detector are both integrated in the shell, the shell is internally provided with a guide assembly which abuts against the relay connector in a sliding mode, and the tail end of the guide assembly is in magnetic fit with a disconnection driving assembly. The occupied area is reduced, and current and voltage detection is carried out in real time to ensure the control of stable power supply of the refrigerated container; the electromagnet is powered on through the controller, so that magnetic repulsive force is generated between the electromagnet and the lifting block, then the guide block and the guide slope generate oblique pushing, and the relay connector and the plug cable are made to be away from the power supply line to form an open circuit.

The utility model relates to the technical field of cold-shrink cable terminals, in particular to a composite cold-shrink cable terminal, which comprises an umbrella skirt, an insulating sleeve is fixedly connected to the inner side of the umbrella skirt, a stress control tube with a high dielectric constant is arranged on the inner side of the insulating sleeve, a sealing sleeve is arranged on the inner side of the stress control tube, and the sealing sleeve is fixedly connected with the umbrella skirt. A group of sealing sleeves are arranged on the base, a stress control sleeve with a high dielectric constant is fixedly connected between the group of sealing sleeves, and plastic spiral supporting strips are arranged on the inner sides of the sealing sleeves. The arc-shaped positioning blocks, the damping rods, the connecting shaft rods and the like are placed on the inner sides of the plastic spiral supporting strips, the supporting effect of the plastic spiral supporting strips can be enhanced through the arc-shaped positioning blocks, materials cannot be rigidly limited through cooperation of the damping rods and the springs, and therefore the situation that shrinkage is not in place due to material fatigue is reduced.

The utility model relates to the technical field of cable waterproof clamping joints, and in particular to a double-threaded nylon cable waterproof joint, comprising a double-threaded round nut, a round nut bevel is provided on the outer side of the upper end of the double-threaded round nut; an inner thread is provided on the inner side of the double-threaded round nut; a double-threaded joint body is provided on the inner lower end of the double-threaded round nut; a joint body petals are provided on the upper end of the double-threaded joint body; a sealing bushing is embedded on the inner side of the double-threaded joint body; the double-threaded nylon cable waterproof joint, through the double-threaded joint body, sealing ring and double-threaded round nut, by adopting a double-threaded central symmetric design on both the round nut and the joint body, so that when the starting position of the round nut thread and the actual position of the joint body thread are in contact, the threads on both sides are in starting contact, and during assembly, the qualified rate of production line assembly can be significantly improved, the assembly is convenient, and the product damage rate can be prevented.

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 invention discloses an operation loss-energy efficiency-carbon emission balancing method and system of a park integrated energy system, and a medium, and the method comprises the following steps: introducing a stepped carbon transaction mechanism for the park integrated energy system, and considering that a demand side has the capability of regulating and controlling demand response, the scheduling conditions of strong consumption and high efficiency of the park integrated energy system under a highly controllable mechanism are researched and determined, and energy efficiency models of an energy supply structure and various energy devices are established; and according to the energy efficiency model, solving by taking the lowest operation loss, the lowest carbon emission cost and the highest energy efficiency as targets, and obtaining an optimal scheduling scheme under the condition of ensuring that the operation loss, the lowest carbon emission cost and the highest energy efficiency are balanced. According to the scheme, after an adjustable and controllable load response mechanism is introduced, supply and demand coordination and multi-energy complementation can be flexibly carried out on the supply side and the demand side according to a scheduling instruction of the park, new energy consumption is promoted, and the energy efficiency is further 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 utility model relates to the technical field of cold-shrink cable accessories, in particular to a silicone rubber cold-shrink cable accessory, which comprises a three-finger sleeve, a cable outer sheath is arranged at the bottom end of the three-finger sleeve, an insulating tube is arranged at the top end of the three-finger sleeve, and a terminal body is arranged at one end, far away from the three-finger sleeve, of the insulating tube. A plurality of umbrella skirts are arranged and fixedly connected to the outer side of the terminal body at equal intervals, a sealing pipe is arranged at one end, far away from the three-finger sleeve, of the terminal body, a wiring terminal is arranged at one end, far away from the terminal body, of the sealing pipe, fixing supporting plates are symmetrically and fixedly connected to the two side walls of the wiring terminal, and the fixing supporting plates are fixedly connected to the two side walls of the terminal body. According to the utility model, the connection strength and the sealing performance between the sealing pipe and the wiring terminal are better, so that the insulation capability is not easy to be reduced, and water is not easy to invade into cable accessories, thereby prolonging the service life, ensuring the normal operation, and avoiding electric power accidents.

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 sleeve (19) arranged to be slidably received within a passage (9) defined in a body of a cable gland (1), the sleeve (19) arranged to receive a settable sealing material for forming a seal to a cable passing through the sleeve, wherein the sleeve (19) comprises: an annular side wall (79) extending along an axial length and having a first end and a second end; and an end wall (100) capping the first end of the annular side wall (79), in which the annular side wall (79) and the end wall (100) define a void (106) within them into which settable sealing material can be received.

The utility model discloses a prefabricated cable joint convenient to plug and pull, and relates to the technical field of power equipment. The prefabricated cable joint convenient to plug and unplug comprises a cable body, a sealing assembly and a mounting assembly, the sealing assembly comprises a hose, a sealing sleeve, a hoop and a rotating sleeve, the hose slidably sleeves the outer surface of the cable body, the hoop is fixedly connected to the outer surface of the hose, the sealing sleeve fixedly sleeves the outer surface of the hose, and the rotating sleeve is arranged on one side of the sealing sleeve. The rotating sleeve is rotatably connected with the sealing sleeve, rapid plugging of the cable body is realized through cooperation of the sealing assembly and the mounting assembly, and meanwhile, when the rotating sleeve is fixed, the sliding ring continuously extrudes the sealing gasket due to the elastic force effect, so that the sealing performance between contact parts is ensured, and the friction force between the rotating sleeve and the sliding ring can also be enhanced; the condition of rotation of the rotating sleeve caused by external factors is reduced, and the problems that the cable is inconvenient to plug and unplug quickly and the sealing performance cannot be ensured are solved.

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.

To provide an improved or alternative terminal housing, thereby removing the cover of the terminal housing and refitting the cover multiple times while reducing the risk of damage to the cover resulting in inadequate sealing of a terminal contact from the environment.SOLUTION: There is provided a terminal housing (1) for housing a power terminal (2) and a cable shoe (3) connected to the power terminal (2). The terminal housing (1) has a clamp section (4) having a clamp section wall (37) which delimits a clamp volume (6) for housing the power terminal (2) and the cable shoe (3). The clamp section (4) includes a screw opening (12) which is open in an axial direction (5). A cover (14) removably covers the screw opening (12), and the cover (14) is attached to the clamp section (4) via at least one snap fit connection (20). The snap fit connection (20) is provided by at least one resilient cantilever arm (22).SELECTED DRAWING: Figure 1

The invention discloses a high-voltage cable terminal tail pipe structure with a settlement monitoring function and an application method thereof.According to the structure, telescopic deformation of a main corrugated pipe is used for absorbing acting force generated by cable settlement and other reasons on tail pipe sealing lead, the stress magnitude and the settlement distance of an upper flange and a lower flange are monitored through a force displacement sensor, and the settlement monitoring accuracy is improved. Compared with the displacement between the test cable and the cable sheath (or the second sleeve), the test is more convenient, and the sealing reliability of the tail part of the terminal can be fed back. According to the application method disclosed by the invention, if the size of the settlement force or the displacement value reaches a certain threshold value, early warning is carried out at the background, and personnel are reminded to check the site condition in time.

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.