3411results about "Connection contact member material" patented technology

A twist-lock clamp to attach a solar module to a rail system includes a spring between a top clamp and a t-nut, with features on the spring and top clamp to restrict rotation relative to each other. The t-nut includes features allowing rotation of about 90 degrees when the t-nut is inserted in a rail, but restrict rotation beyond about 90 degrees. The spring serves to hold the top clamp and t-nut apart while allowing the twist-lock clamp to resist sliding in the rail during installation.

An example connector assembly includes a cage, a first liquid cooling tray, a second liquid cooling tray, and a pressuring spring. The cage includes a frame and partitioning walls. The frame and the partitioning walls define an insertion space. The first liquid cooling tray is provided to a top of the cage, with a lower surface of the first liquid cooling tray constituting an upper wall surface of the insertion space. The second liquid cooling tray is provided to a bottom of the cage, with an upper surface of the second liquid cooling tray constituting a lower wall surface of the insertion space. The pressuring spring is positioned within the insertion space.

A retention assembly for coupling electrical components to a vehicle including a body configured to house the electrical components, the body defining a slot. The retention assembly further includes a grounding component received in the slot of the body and defining a first aperture and a fastener extending through the first aperture of the grounding component and configured to extend at least partially through a vehicle body to secure the body to the vehicle and provide an electrical pathway between the grounding component and the vehicle body.

To suppress reduction of an electrification performance (current value) in an end structure for a superconducting cable.SOLUTION: An end structure for a superconducting cable comprises at least a multilayer conductor 10 and an electrode part 30, and the multilayer conductor 10 is configured by laminating a plurality of superconducting wires 20, each presenting a tape shape, in a thickness direction of the superconducting wire 20. The electrode part 30 includes at least a plurality of slits 40. The multilayer conductor 10 is divided into a plurality of wire units 11, and stored in the slit 40 for each wire unit 11. When storing two superconducting wires 20 in the slit 40, it is preferable that directions of faces of the superconducting wires 20 are adjusted in such a manner that faces at the sides of a superconducting layer 23 and a stabilizing layer 24 constituting the superconducting wire 20 is brought into contact with or made close to an inner wall surface of the slit 40.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of power equipment, and discloses a bus duct plugging device, which comprises a plugging box, a plugging box and a conductive contact piece, the plug box is used for being assembled on a shell of the bus duct; the jack box is provided with a grounding piece; the conductive contact piece is arranged on the grounding piece or the shell; when the plug box is plugged in the plug box, the grounding piece abuts against the shell through the conductive contact piece. The side, making contact with the grounding piece, of the conductive contact piece is a first metal layer made of the same material as the grounding piece, the side, making contact with the shell, of the conductive contact piece is a second metal layer made of the same material as the shell, and the first metal layer and the second metal layer are made of different metal. According to the bus duct plugging device, the contact resistance of the contact surface between the grounding piece and the shell can be reduced, the grounding reliability is ensured, the oxidation reaction of the grounding piece and the shell caused by contact of different metals is effectively prevented, and the long-term effectiveness of grounding is improved.

The utility model provides a spring-free type bushing end screen, which belongs to the technical field of bushing end screens and comprises a flange seat, an insulating sealing sleeve is embedded in an inner cavity of the flange seat and is clamped in the inner cavity of the flange seat through a locking component, and a locking thread is arranged at the end part, far away from the flange seat, of a binding post along the outer wall. The inner wall of the side, away from the flange hole, of the flange base is in threaded connection with a grounding piece, the grounding piece is arranged outside the locking thread in a sleeving mode, anti-skid lines are arranged on the outer wall of the grounding piece in the circumferential direction, external threads are formed in the bottom of the outer wall of the grounding piece in the circumferential direction, internal threads are formed in the top of the inner wall of the flange base, and therefore the grounding piece is in threaded connection with the top of an inner cavity of the flange base. After the grounding piece is in threaded connection with the flange seat, the end screen is in a continuous grounding state, stable operation of the transformer is guaranteed under the condition that overall stability is guaranteed, and the protection effect is enhanced.

The purpose of the present invention is to improve the conductivity of a terminal while ensuring misalignment absorption performance, and to suppress deformation of the terminal inside a block body. This terminal block is provided with: a terminal that includes a plurality of laminated terminal plates; and a block body that is fixed to a device while holding the terminal. The terminal is formed in an elongate shape. The terminal includes: an intermediate joint portion in which adjacent terminal plates are joined to each other in an intermediate section in the longitudinal direction of the terminal; a joint connection portion in which adjacent terminal plates are joined to each other in a position separated from the intermediate joint portion in the longitudinal direction of the terminal; and a non-joint portion in which adjacent terminal plates are laminated in a non-joined state between the intermediate joint portion and the joint connection portion. At least a part of the intermediate joint portion is positioned inside the block body, the joint connection portion is positioned outside the block body, and at least a part of the non-joint portion is positioned outside the block body.

The invention belongs to the technical field of high-voltage line grounding equipment, and particularly relates to a lockable grounding wire clamp device mounted by an unmanned aerial vehicle and a method for introducing backflow in a high-voltage line into the ground, and the lockable grounding wire clamp device mounted by the unmanned aerial vehicle can be carried by the unmanned aerial vehicle to complete grounding operation of the high-voltage line in maintenance. The lockable grounding wire clamp device is time-saving and safe for on-site constructors, a unique locking and unlocking mechanism composed of a lock cylinder, a clamping jaw assembly, a spring bolt driving piece and an unmanned aerial vehicle mounting assembly enables a high-voltage wire to enter a high-voltage wire claw embracing area, and then high-voltage wire claw embracing can be completed under the self-gravity effect of the lockable grounding wire clamp device; according to the invention, connection and locking of the high-voltage line are realized, the locking mode is relatively reliable, unlocking can be realized only by pulling up the unmanned aerial vehicle mounting assembly, and safe grounding in adverse weather such as strong wind is realized. When the unmanned aerial vehicle needs to be taken down, unlocking can be achieved by connecting the unmanned aerial vehicle with the unmanned aerial vehicle mounting assembly and pulling the unmanned aerial vehicle mounting assembly upwards, and unlocking is convenient and fast.

The invention relates to the technical field of grounding devices, and provides a grounding device and a power system.The grounding device is used for connecting a three-phase wire to a grounding grid and comprises a supporting piece, a first conductive piece, a second conductive piece, a grounding assembly and a limiting assembly. The first conductive part is rotatably connected to the supporting part, the second conductive part is rotatably connected to the supporting part, the second conductive part and the first conductive part define a limiting cavity, the supporting part and a first wire in the three-phase wires are located in the limiting cavity, one end of the grounding assembly is connected to the first wire, and the other end of the grounding assembly is connected to the ground screen. The limiting assembly is rotatably connected to at least one of the first conductive piece and the second conductive piece, the limiting assembly is provided with a limiting part, and the limiting part is connected to at least one of a second wire and a third wire in the three-phase wires. According to the invention, the problems of complex operation and low operation efficiency in manual installation of the grounding wire on the three-phase wire can be solved.

The invention provides an unmanned aerial vehicle ground wire hanging and dismounting robot for medium and low voltage power transmission lines, which is an unmanned aerial vehicle and is provided with ground wire hanging and dismounting equipment at the bottom. The ground wire hanging and dismounting equipment comprises a mechanical arm with a quick-change male head, and further comprises a bistable hanging and dismounting device for fixing a ground wire through a ground cover plate. A quick-change female head is arranged at the tail end of the bistable hanging and dismounting device, and an electric push rod and a clamping jaw are arranged at the head end; when the unmanned aerial vehicle installs a grounding wire, the clamping jaw impacts a grounding hanging ring of a power transmission line through flying to trigger the hanging and dismounting triggering structure, the hanging and dismounting triggering structure drives the quick-change female head and the quick-change male head to be separated and meanwhile gathers the clamping jaw, and the grounding wire is hung at the grounding hanging ring through the bistable hanging and dismounting device separated from the unmanned aerial vehicle. The quick-change male head of the mechanical arm is used for clamping the bistable hanging and dismounting device at the grounding hanging ring, and then the electric push rod is driven to enable the clamping jaw to loosen the grounding hanging ring; the operation efficiency of hanging and detaching the ground wire can be improved, and efficient and safe unmanned operation is achieved.

The invention discloses a pile foundation external application device, a grounding pile foundation and a grounding system, the pile foundation external application device is cylindrical and comprises a base body layer, a transition layer and an external coating layer, the transition layer is wrapped by the external coating layer, the base body layer is wrapped by the transition layer, and the resistance of the transition layer is in index attenuation distribution from the resistivity of the base body layer to the resistivity of the external coating layer. Therefore, the substrate layer, the transition layer and the outer coating layer form a gradient conductive structure, the resistivity of the pile foundation external application device is in gradient distribution, the interface potential barrier is effectively inhibited, and the pile foundation grounding resistance is effectively reduced after the pile foundation external application device is externally applied to a grounding pile foundation, so that the grounding resistance of a grounding system is reduced, and the diversion performance of the grounding system is improved.

The utility model discloses a rapid grounding device for a rigid contact network, which comprises a main frame, a contact block and a locking assembly, a clamping part is constructed at the upper end of the main frame, and an extension part opposite to the clamping part is arranged at the lower end of the main frame; the contact block is movably arranged on the extension part, a clamping space is defined by the contact block and the clamping part, and the extension part is provided with a first spring which pushes the contact block to a contact net at the bottom end of the busbar and keeps a compressed state; the locking assembly comprises a locking piece and an unlocking piece which are in linkage, the unlocking piece is movably arranged on the clamping part, the lower end of the unlocking piece stretches into the clamping space, and the clamping part is provided with a second spring which pushes the unlocking piece to reset so as to drive the locking piece to reset to the locking position. The scheme has the effects that the busbar can be quickly clamped through the clamping part, and then the locking piece can be unlocked and the contact block can be released only by pulling the insulating telescopic rod to press the unlocking piece, so that the electric connection of the contact network is completed. And at the end, the contact block can be locked and the contact net can be released only by pushing the insulating telescopic rod.

The present invention discloses a spirally series-connected compact multi-chamber arc-extinguishing structure, which is cylindrical as a whole, and is provided with a plurality of layers of disk-type structural units in series inside, and the plurality of layers of disk-type structural units are spirally ascending as a whole; each layer of disk-type structural units is composed of a plurality of metal spherical electrodes, and a semi-enclosed arc-extinguishing chamber between the metal spherical electrodes; each layer of disk-type structural units is connected by the end electrode of the disk-type structure between adjacent layers and the head electrode of the adjacent layer, and the semi-enclosed arc-extinguishing chamber between the electrodes. Compared with the basic structure of vertical series connection, the present invention can increase the number of arc-extinguishing chambers per unit height, improve the arc-extinguishing ability of the structure as a whole, and reduce the volume of the overall multi-chamber structure. It is convenient to use in a multi-chamber type lightning protection device. When this structure is applied to the field of line lightning protection, lightning damage can be removed in time, the lightning tripping rate can be greatly reduced, and the safe and reliable operation of the transmission line can be ensured.

The invention relates to a device (1) for contacting an electrical conductor (2), in particular a cable conductor of a power supply cable, comprising at least - a connecting body (3) that defines a receiving space (4) into which the conductor (2) to be contacted can be inserted with its end face (5), and - a contact medium (6) with a plurality of electrically conductive and adjacent contact bodies (7) introduced into the receiving space (4), with which the end face (5) of the conductor (2) can be electrically contacted. According to the invention, it is provided that the electrical conductor (2) can be fixed in the receiving space (4), wherein a contact surface (8) of the receiving space (4) facing the conductor (2) is designed in such a way that electrical contact between the connecting body (3) and the conductor (2) is optimized.

The invention belongs to the technical field of power construction safety, and particularly provides a grounding clamp device based on unmanned aerial vehicle control, which comprises an inverted J-shaped shell, and a clamping mechanism and a releasing mechanism fixedly arranged in the shell, the upper part of the grounding clamp is provided with a clamping port used for clamping a wire. A clamping and releasing pin is arranged at the top of the shell, and the clamping and releasing pin can be separated from the shell after the wire is clamped; the lower end of the shell is fixedly provided with a grounding wire base used for being connected with a grounding wire. The clamping mechanism comprises a clamping arm, a main spring and a trigger rod, and can realize automatic clamping of a wire; and the release mechanism comprises a release handle part, a release pull rod, a release block and a tension spring, and can quickly relieve the clamping and fixing effect of the clamping mechanism on the wire, so that the grounding clamp is separated from the wire. The ground clamp is provided with an automatic wire clamping and releasing mechanism, can be matched with an unmanned aerial vehicle to install and release the ground clamp, is high in clamping reliability, is simple in releasing operation, and is suitable for the maintenance of a high-voltage transmission line.

The utility model discloses a special connecting device for a grounding electrode of a high-density electrical method tester, which relates to the technical field of grounding devices and comprises a wire body assembly, the wire body assembly comprises a multi-core cable and a grounding rod, the outer side of the wire body assembly is fixedly connected with an installation assembly, and the top end of the wire body assembly is slidably connected with a line protection assembly. The wire body assembly is internally provided with a water seepage assembly, the installation assembly comprises an elastic sheet, the interior of the elastic sheet is fixedly connected to the outer side of the grounding rod, and the outer side of the elastic sheet is fixedly connected with a buckle. According to the utility model, the connection between the grounding rod and the mounting seat is still stable, the occurrence of a loosening condition can be effectively prevented, the anti-pulling capability of the cable is effectively increased, the service life of the connecting wire is prolonged, the grounding rod is ensured to maintain good electric contact under a dry condition, and the test accuracy is effectively improved.

The invention discloses a resistance-reducing grounding mechanism and an optimization method thereof.The resistance-reducing grounding mechanism comprises a grounding pile foundation, a grounding resistance-reducing cage, a grounding down lead and a corrugated external conductor wire, the grounding pile foundation is vertically buried underground, the grounding resistance-reducing cage wraps the grounding pile foundation in the horizontal dimension and the vertical dimension, and the grounding down lead is connected with the corrugated external conductor wire; the grounding down lead extends downwards from the ground to be connected to the grounding resistance reduction cage, and the corrugated external conductor wire is attached to the grounding resistance reduction cage. Therefore, the spatial three-dimensional wrapping design of the grounding resistance reduction cage can realize uniform diffusion in a larger range, the current diffusion capability of the grounding mechanism is improved, the external conductor wire with the corrugated structure increases the effective length and the surface area of the conductor, and the current diffusion capability of the grounding mechanism is further improved; and the grounding resistance reduction cage and the corrugated external conductor wire form a multi-layer conductive channel, so that the current discharge speed can be further increased, the grounding resistance value is reduced, and the transient overvoltage during lightning stroke is reduced, thereby ensuring the safe and stable operation of a power system.

To make a conductivity of a terminal better and to suppress deformation of the terminal in a base main body while ensuring a positional deviation absorbing performance.SOLUTION: A terminal board 30 includes: a terminal 40 including a plurality of stacked terminal plates 48; and a base main body 32 fixed to a device in a state of holding the terminal. The terminal is formed in an elongated shape, and the terminal includes: an intermediate joint part 44 in which adjacent terminal plates are joined to each other at an intermediate part in a longitudinal direction of the terminal; joint connection parts 42 and 46 in which the adjacent terminal plates are joined to each other at a position away from the intermediate joint part in the longitudinal direction of the terminal; and non-joint parts 43 and 45 in which the adjacent terminal plates are laminated in a non-joined state between the intermediate joint part and the joint connection part. At least a portion of the intermediate joint part is located within the base main body. The joint connection part is located outside the base main body. At least a portion of the non-joint part is located outside the base main body.SELECTED DRAWING: Figure 4

The invention relates to a shaft grounding device for deriving an inductively generated voltage, current or charge from a first machine element (5), preferably a shaft, into a second machine element (1), having a shaft grounding element (4, 50) for discharging, according to the invention, the shaft grounding element (4, 50) is a component separated from a starting material, preferably a continuous article, said component being penetrated by channels (16) in the longitudinal direction thereof or being provided with perforations and / or surface structures and / or surface textures at least on the contact surface thereof with the first machine element. The invention also relates to a method for manufacturing the shaft grounding device.

The invention discloses an electric connection assembly comprising a terminal, the terminal is provided with a first end portion, and the first end portion is provided with a first end portion end face; a conductor having a conductor end portion; the end surface of the first end part extends into the sleeve and is oppositely welded with the end part of the conductor to form a fusion part, part of the outer peripheral surface of the conductor is propped against at least part of the inner peripheral surface of the sleeve, and the outer diameter of the first end part is smaller than the inner diameter of the sleeve; and at least part of the fusion part is filled in a circumferential gap between the end surface of the first end part and the sleeve. The fusion part formed by the conductor and the terminal is extruded between the first end part and the sleeve, so that the contact area of the conductor and the first end part is increased, the resistance of the welding part is reduced, and the conduction of current is facilitated.

The invention provides a method and application for a grounding grid resistance reduction project in a plateau frozen earth region and a grounding grid structure, and relates to the technical field of grounding engineering, and the method comprises the steps: carrying out the grounding grid discharge distribution analysis, and determining a region with higher current discharge density; carrying out grounding grid optimization treatment on the region with the relatively high current release density, including digging ground grid surface covering soil, exposing the ground grid surface, and pouring a liquid flexible resistance reducing material on the ground grid surface; and waiting for solidification of the liquid flexible resistance-reducing material to form an electric conductor combined with the soil. The invention further provides an optimization method for drilling deep holes in the four corners of the ground screen and filling the deep holes with the liquid flexible resistance reducing material to form the vertical grounding electrode. Under the condition that the original grounding grid structure is not changed, the grounding resistance in the plateau frozen soil area is effectively reduced, the performance stability of the grounding grid is improved, and meanwhile the grounding grid has the advantages of being flexible in construction, low in cost, high in adaptability and the like and is particularly suitable for grounding grid transformation projects in extreme environments such as plateau frozen soil.

An electrical conduit clamp including a support assembly, a conduit support assembly, and a conduit assembly. The support assembly includes a strut channel that is configured to be attached to a surface by means of fasteners. The strut channel has a channel along its length to receive a channel nut included in the conduit support assembly. The channel nut has a spring in a bottom portion thereof, wherein is configured to support a conduit. The pipe strut strap conforms with the shape of the conduit, thereby the conduit is held in place by means of a pipe strut trap attached to the channel nut by means of a fastener. It should be considered that another layer of the elements can be placed on top of them by attaching a plurality of strut channels to the strut channel by means of fasteners.

An electrical system (200) comprises the following elements: an electrical conductor (115) with a longitudinal axis (210); wherein the conductor (115) comprises at least one individual conductor (225) and a shield (220) which surrounds the at least one individual conductor (225); wherein the at least one individual conductor (225) passes through a sleeve (230) at the end of the conductor (115), which is electrically connected to the shield (220) on a circumference around the longitudinal axis (210) in a conductive manner; wherein a contact (255) is provided to the sleeve (230) offset from the longitudinal axis (210); wherein the contact (255) extends beyond one end of the shield (220).

The utility model provides a grounding device of an electrical equipment power distribution cabinet, which comprises a power distribution cabinet, a ground wire and a grounding rod, one end of the ground wire is connected to the power distribution cabinet, the top of the grounding rod is in threaded connection with a wiring assembly matched with the ground wire, the outer side of the wiring assembly is provided with a protection assembly, and the protection assembly is in threaded connection with the grounding rod. The protection assembly comprises a first protection shell and a second protection shell which are detachably connected through a bolt. According to the utility model, through the arrangement of the sealing cover, the observation window and the access hole, when maintenance or installation of a ground wire is needed, the sealing cover can be dismounted only by unscrewing screws at four corners of the sealing cover, and at the moment, the wiring assembly in the protection assembly can be maintained or the ground wire can be installed and dismounted through the access hole; and meanwhile, in daily use, whether the wiring assembly or a ground wire connected with the wiring assembly is corroded or not can be directly checked through the observation window made of a transparent material.

The utility model relates to a grounding wire clamp which comprises a grounding ring and a wire clamp body. One side of the grounding ring is provided with a rod part connected with the wire clamp body, two sides of the grounding ring are fixedly provided with insulating sleeves, and a polished rod used for grounding is reserved between the insulating sleeves. Sliding grooves are formed in the insulating sleeves on the two sides of the polished rod, insulating sliding sleeves are slidably connected into the sliding grooves, springs are installed between the insulating sliding sleeves and the bottoms of the sliding grooves, and the springs have elastic force for pushing the insulating sliding sleeves out of the sliding grooves. The insulating sliding sleeves with the spring mechanisms are arranged on the two sides of the grounding ring, so that the grounding polish rod is effectively protected. When the polish rod is not used, the insulation sliding sleeve automatically slides out to completely wrap the polish rod, the polish rod is prevented from being exposed, the electric shock danger caused by mistaken touch of personnel is avoided, meanwhile, the risk that the polish rod is affected with damp or corroded is reduced, and safety is improved. When grounding operation needs to be carried out, a user can enable the insulation sliding sleeve to retract through simple actions, only a small part of the polished rod used for connection is exposed, the effectiveness of grounding is guaranteed, and the use safety is improved at the same time.

The utility model discloses a connecting structure of an aluminum-based bus duct with copper-clad end parts, and relates to the technical field of busbars. The copper-aluminum eutectic conducting bar comprises a copper-aluminum eutectic conducting bar body, the copper-aluminum eutectic conducting bar body comprises an aluminum alloy base body layer A, the end portions of the upper side face and the lower side face of the aluminum alloy base body layer A are covered with copper connecting layers A, and the copper-aluminum eutectic layer A is arranged between the aluminum alloy base body layer A and the copper connecting layers A. The copper-aluminum eutectic conducting bar further comprises a connector which comprises a plurality of copper-aluminum eutectic connecting pieces. The copper-aluminum eutectic conducting bar is clamped by the connector and tightly abuts against the copper-aluminum eutectic connecting piece. The beneficial effects of the utility model lie in that the utility model combines the advantages of low density and low cost of aluminum and the characteristics of high conductivity and corrosion resistance of copper, and only the end part of the aluminum substrate is coated with copper, so that the overall cost is reduced, the excellent performance of key parts is ensured, the perfect balance between the performance and the cost is realized, and the copper-aluminum eutectic technology is adopted. The problems that interface bonding is not firm, resistance is large, and corrosion is prone to occurring when aluminum and copper are directly connected are effectively solved.

The present invention relates to the technical field of lightning protection and grounding for transmission lines in power systems, and specifically relates to a construction device for externally applying a grounding to a concrete pile foundation of a transmission line tower. The device includes a buckle plate that is buckled on the transmission line tower. The transmission line tower is installed on the top of the concrete pile foundation. A clamping and installation mechanism is provided on the surface of the buckle plate. After the clamping and installation mechanism is locked, the buckle plate is fixed on the transmission line tower. An assembly piece is provided on the surface of the buckle plate, and the assembly piece connects the buckle plate and the grounding rod. The beneficial effects are as follows: The construction device for externally applying a grounding to a concrete pile foundation of a transmission line tower proposed by the present invention quickly assembles the grounding rod and the buckle plate using the assembly components, and after buckling the buckle plate on one side of the transmission line tower, it is fixed through the clamping and installation mechanism, realizing the installation and assembly of the grounding rod and the transmission line tower, improving the on-site construction efficiency; and adjustable embedded parts are installed at the bottom end of the support plate. After the adjustable embedded parts are lowered, they are buried in the soil layer to realize the expansion of the overall support area of the support plate.

The utility model discloses a grounding carbon brush and position sensor combination assembly for an automobile high-voltage driving motor, which comprises a main shell and is characterized in that the left end of the main shell is an external connector, a connector insert is arranged in the external connector, a plurality of bolt mounting holes are arranged at the edge of the main shell, the bolt mounting holes at the left end and the right end of the main shell are connected with a brush carrier, and the brush carrier is connected with a motor. A carbon brush assembly is arranged in the brush carrier, a circular groove is formed in the main shell, and a movable carbon brush protection plate is clamped in the circular groove. Certain electronic devices are arranged between the grounding carbon brush connecting shaft and the ground and used for reducing common-mode voltage on the shaft, and the devices and the eddy current sensor share one PCB. Before the carbon brush assembly is installed, the head of the carbon brush body is fixed in the brush box through the carbon brush protection plate, an operator does not need to make contact with the carbon brush body during installation, when the assembly is installed, a motor shell can press the carbon brush protection plate in place, the carbon brush body automatically pops out to make contact with a shaft, and the failure hidden danger caused by installation is avoided.

The utility model provides a superconducting cable assembly, a superconductor transmission line and a star simulator. The superconducting cable assembly comprises a superconducting cable and a connector, the superconducting cable comprises a cable body part and a cable connecting part, and the cable connecting part is arranged in the connector in a penetrating mode in the axial direction of the connector; the connector comprises a clamping assembly, the clamping assembly comprises a sleeve and a pressing block, the sleeve comprises a first clamping block and a second clamping block which are oppositely arranged in the circumferential direction of the sleeve and fixed to each other, a cavity is defined by the first clamping block and the second clamping block, the pressing block is arranged in the cavity in the axial direction of the sleeve, and a through hole for a cable connecting part to penetrate through is formed between the pressing block and the second clamping block; the axial direction of the sleeve is parallel to that of the joint; the first clamping block locks and fixes the pressing block through the locking structure so that the pressing block can be connected to the periphery of the cable connecting part in a pressed mode in the radial direction of the sleeve, the position, relative to the locking and fixing position of the first clamping block, of the pressing block in the radial direction of the sleeve can be adjusted, and the hole diameter of the through hole can be adjusted. The superconducting cable assembly has better adaptability and maintainability.