176 results about "Copper tape" patented technology

The invention discloses a copper strip coil steel sleeve transfer device which comprises a base, a steel sleeve bearing lifting frame and a steel sleeve storage frame and further comprises a pushing structure, a sliding rail is arranged on the base in the axial direction of a rolling shaft, the steel sleeve bearing lifting frame is arranged on the sliding rail, and the steel sleeve storage frame and the pushing structure are arranged corresponding to the outer end of the sliding rail. The steel jacket storage rack and the pushing structure are correspondingly arranged on the two sides of the sliding rail. The disassembled steel sleeve is supported by the steel sleeve bearing lifting frame, the steel sleeve bearing lifting frame supports and bears the steel sleeve to move to the pushing position together, the steel sleeve descends to be flush with the steel sleeve storage frame, the steel sleeve is pushed into the steel sleeve storage frame through the pushing structure, the structure is compact, the occupied space is small, and workshop arrangement and installation are facilitated; and the steel jacket transfer operation is efficient.

The utility model discloses a driving four-axis index plate for copper strip production, which relates to the technical field of four-axis index plates and comprises a bottom plate and an adjusting component. Two corresponding supporting plates are fixed to the right end of the upper side of the bottom plate, rotating holes are formed in the edges of the upper sides of the supporting plates, rotating shafts are rotationally connected into the rotating holes, a four-shaft index plate is fixed between the two rotating shafts, a cooling assembly is installed on the left side of the bottom plate, and a gas injection assembly is installed on the upper side of the cooling assembly. The spraying assembly and the extrusion assembly are mounted on the upper side of the bottom plate, and the gas injection assembly is connected with the spraying assembly; and the adjusting assembly comprises a connecting disc, clamping grooves, fixing blocks, clamping rods, inclined blocks and springs, the connecting disc is fixed to the end face of the rotating shaft, the clamping grooves which are evenly distributed are formed in the circumferential face of the connecting disc, the fixing blocks are fixed to the side face of the supporting plate, efficient heat dissipation can be achieved, and meanwhile rapid adjustment can be achieved according to needs.

The invention relates to the technical field of overhead cables, in particular to an overhead conductor cable with a split type diversion mechanism, which comprises a cable body, and the cable body comprises a conductor, a conductor shield, an insulator, an insulation shield, a copper strip shield, a filler, a wrapping tape, an inner sheath, an armor and an outer sheath from inside to outside. According to the overhead conductor cable with the split type flow guide mechanism, the middle flow guide frame is arranged on the armor, and the internal flow guide pipe inserted into the middle flow guide frame is communicated with the split type flow guide mechanism; according to the split type diversion mechanism, diversion nozzles on two sides are inserted into lateral openings of an internal diversion pipe to form a circulating flow channel on a cable body, so that the heat dissipation performance in the cable can be greatly improved, and the cable can stably and efficiently run for a long time; the plurality of annular assembling grooves are formed in the outer side of the outer sheath, the split type flow guide mechanisms are installed on the annular assembling grooves to be fixed to the cable, splicing can be carried out in the later period, and the installation mode is simple and rapid.

The utility model discloses a copper band leveling device, including feeding module, leveling module and receiving module, the feeding module includes fixed frame, rotatable installation on the fixed frame's rotating roller, be used for driving rotating roller rotation's drive motor and be used for fixing and installing copper band winding pipe on the rotating roller's tensioning component, the rotating roller is through drive shaft with the output end transmission connection of drive motor, the outer diameter of rotating roller is less than the inner diameter of copper band winding pipe, the tensioning component includes the sliding pipe of sliding on the rotating roller, the tensioning block of being connected with sliding pipe through linkage and be used for fixing the compression member of sliding pipe, the center of rotating roller is equipped with center sliding hole, and the sliding pipe cooperation is inserted in the center sliding hole, the outer wall of rotating roller is equipped with the tensioning hole of intercommunication with the center sliding hole, and the tensioning block cooperation is inserted in the tensioning hole.

This invention discloses an environmentally friendly, green, halogen-free flame-retardant cable and its preparation method, relating to the field of cable technology. The cable includes a tin-plated copper conductor at its center. An inner shielding layer, an insulation layer, and an outer shielding layer are extruded onto the conductor using a three-layer co-extrusion process to form an insulated core. The insulated core is then wrapped with an oxygen-free soft copper strip as a metallic shielding layer, followed by a semi-conductive water-resistant tape pad, then longitudinally wrapped with an aluminum-plastic composite tape and extruded with polyethylene. A waterproof layer is wrapped with a double-layer high-strength corrosion-resistant alloy tape as an armor layer. The outermost layer of the cable is extruded with a flame-retardant outer sheath. This sheath uses polyethylene as a base material, adding maleic anhydride-modified oleic acid and peroxide, and incorporating zinc oxide and magnesium oxide to form an ion network structure, while also incorporating flame-retardant fillers. This invention exhibits good tensile strength, electrical insulation performance, compressive and tensile strength, and bending performance, while also possessing excellent elongation at break, low-temperature crack resistance, and halogen-free flame-retardant characteristics.

The invention relates to the technical field of cables, in particular to a torsion-resistant aluminum alloy cable which comprises a cable core composed of an aluminum alloy conductor, an isolation shielding layer and a crosslinked polyethylene inner sheath. The polyimide film is used for binding and fixing the plurality of cable cores; the outer layer of the polyimide film is sequentially coated with a copper strip wrapping shielding layer, a mica wrapping layer and an outer sheath layer. The outer sheath layer material has excellent mechanical properties and can effectively protect a conductor, and the prepared cable has good torsion resistance and fully meets multi-scene application requirements.

The invention discloses an environment-friendly intelligent medium-voltage cable, and relates to the technical field of cables, the environment-friendly intelligent medium-voltage cable comprises cable main body assemblies, a joint assembly and a disassembly assembly, the joint assembly is used for connecting the two cable main body assemblies, and the cable main body assemblies comprise a plurality of copper strip shields; the outer surface of each copper strip shield is fixedly connected with two disassembling assemblies; according to the environment-friendly intelligent medium-voltage cable, the drawing ring is pulled outwards to drive the limiting clamping strip to be drawn outwards, and the first buckle and the second buckle are tightly clamped outside the limiting clamping strip at the same time, so that when the limiting clamping strip is drawn out, the first buckle and the second buckle can be easily separated; the problem that all the layers in an existing medium-voltage cable are adhered through adhesives and cannot be classified and recycled is solved.

The application relates to the technical field of electric wire and cable, and discloses a fluoroplastic insulation high-temperature-resistant fireproof cable and a preparation method, the cable comprises a conductor layer, the conductor layer is twisted by multiple copper wires, the conductor layer is coated with a fluoroplastic insulation layer, the fluoroplastic insulation layer is coated with a shielding layer, the shielding layer is a copper-belt woven structure, the shielding layer is coated with an armor layer, the armor layer is woven by stainless steel wires, the armor layer is coated with a sheath layer, and the sheath layer comprises the following components in mass fractions: functionalized ethylene-tetrafluoroethylene copolymer, 50-70 parts by mass. The application constructs an interpenetrating polymer network formed by in-situ crosslinking of a functionalized fluoropolymer and an organic silicon elastomer in the sheath layer, and adopts an energy field gradient response vulcanization process, so that the prepared cable sheath keeps the inherent high-temperature resistance of fluoroplastic, and the flexibility and mechanical strength of the material are improved.

The utility model relates to the technical field of aluminum copper strip winding drum waste strip treatment, and discloses a residual winding machine convenient for removing aluminum copper strip winding drum waste strips, which comprises a rack, a hydraulic pump station, a control structure, a track, an X-shaped trolley, a hydraulic cylinder, a swing arm, a support roll shaft, a safety roll shaft, a winding shaft, an arc-shaped bracket, a pressing roll shaft, a guide roll shaft, a sleeve and a driving mechanism. According to the residual coiling machine facilitating removal of the aluminum copper strip coiling block waste strip, by arranging the coiling shaft, a residual plate strip on the sleeve can be manually fixed in the jaw, the plate strip can be conveniently removed from the sleeve, after collection is completed, the X-shaped trolley is controlled to ascend, the swing arm is controlled to be separated from the coiling shaft through the hydraulic cylinder, and the sector plate is controlled to contract, so that the plate strip is conveniently removed. According to the plate strip dismounting device, the X-shaped trolley can conveniently carry out residual plate strips, semi-automation of dismounting is achieved, manual participation is reduced, the working intensity of workers is reduced, the plate strips are dismounted in the manner, dismounting of narrow bands and wide bands can be comprehensively compatible, and the applicability of the plate strip dismounting device is improved.

The utility model relates to the technical field of cable manufacturing, and discloses a double-layer co-extrusion sheath cable which comprises a conductor, a conductor shielding layer, a crosslinked polyethylene insulating layer, an insulation shielding layer, a semi-conductive water-blocking tape, a soft round copper wire, a soft pure copper tape, a non-conductive water-blocking tape and a CPP tape from inside to outside. According to the double-layer co-extrusion sheath cable, the inner sheath layer and the outer sheath layer are arranged, the inner sheath layer is made of the flame-retardant PVC material with the oxygen index larger than or equal to 32%, a carbonization layer can be rapidly formed under the condition of high temperature or open fire, oxygen is effectively isolated, flame-retardant gas is released, and flame is prevented from spreading towards the interior of the cable, and the outer sheath layer is made of the high-hardness MDPE material. Although the flame retardance is general, the flame diffusion speed can be slowed down, and through the synergistic effect with the inner layer PVC, the overall flame retardant grade of the cable reaches the V-0 grade (UL 94 standard), the high-flame-retardant scene requirement is met, and the flame retardant property is further remarkably improved.

The utility model relates to the technical field of copper strip processing, in particular to a multi-layer interface calendaring forming device suitable for a copper strip, which comprises a calendaring mechanism and is used for calendaring forming of a multi-layer interface of the copper strip, the calendaring mechanism comprises a main body assembly, a plurality of rolling mechanisms and a plurality of rolling mechanisms, the main body assembly comprises a main frame fixed at the top of a base and sliding grooves formed in the two ends of the interior of the main frame; the execution assembly comprises an upper movable part and a lower movable part which are arranged at the upper end and the lower end in the base correspondingly, and a positioning part arranged in the middle in the base and matched with the upper movable part and the lower movable part for calendaring machining; the lower adjusting assembly comprises a lower mounting seat longitudinally and slidably mounted on the lower portion in the main frame, an inclined block fixed to the bottom of the lower mounting seat, extension seats fixed to the lower ends of the two sides of the main frame, inclined seats transversely and slidably mounted at the upper ends of the extension seats, and second air cylinders pivoted to the extension seats and used for driving the inclined seats; the calendering mechanism can meet the calendering requirements of copper strips with different thicknesses and can be used for calendering two copper strips at the same time.

The utility model discloses a kind of super-thin red copper tape winding devices of slitting correction, it is related to metal processing technical field, including main body;Fixed rod, the both ends of fixed rod piece are respectively fixedly connected in the both sides of main body;Fixed plate piece, the both ends of fixed plate piece are respectively fixedly connected in the both sides of main body;Mounting bracket, the top of main body is fixedly connected in mounting bracket;Correcting operation module, correcting operation module is set on mounting bracket, and the correcting operation module includes multiple sliding installation pieces and multiple fixed installation pieces.The utility model discloses a kind of super-thin red copper tape winding devices of slitting correction utilizes pressure spring rod to drive upper compression roller self-adapting depression, can effectively eliminate edge undulation and local wrinkle, simultaneously by upper compression roller clamping force lateral tension, can reverse stretch correction transverse bending, and there is no hard contact limiting mechanism, can be completed in the premise of avoiding edge scratch deviation correction.

The utility model discloses a copper strip flexible connector of a charging pile. The copper strip flexible connector comprises a copper strip main body, fixed sections positioned at two ends of the copper strip main body, an insulating sealing sleeve sleeved on the copper strip main body, and an elastic ribbon. The end, close to the fixed section, of the copper strip body is provided with a first sealing step, the inner wall of the insulation sealing sleeve is provided with a second sealing step, the two sealing steps are attached after being sleeved, and the two ends of the insulation sealing sleeve are provided with ribbon grooves used for bundling elastic ribbons. According to the copper strip flexible connector, the first sealing step, the second sealing step and the elastic cable tie are arranged, a gap between the copper strip body and the insulation sealing sleeve is effectively blocked, dust, water and other impurities are prevented from entering, and the sealing performance is improved; the connection tightness of the insulation sealing sleeve and the copper strip body is enhanced, displacement or looseness of the insulation sealing sleeve is prevented, and the overall structural stability is improved. The influence of impurities on the conductivity of the copper strip and oxidation and corrosion of the copper strip are avoided, good conductivity is guaranteed, the service life is prolonged, the maintenance cost is reduced, and the operation stability and safety of the charging pile are improved.

The utility model relates to an edge folding mechanism, and discloses a copper strip edge folding mechanism which comprises a frame body, a roller wheel set rotationally arranged on the frame body and a driving assembly. The roller set comprises a first rolling assembly, a second rolling assembly and a third rolling assembly which are sequentially arranged in the copper strip conveying direction. When the copper strip passes through the pressing gap in the first rolling assembly, an outwards-expanded folded edge with an obtuse included angle is formed between the edge of the copper strip and a copper strip body, and when the copper strip passes through the pressing gap in the second rolling assembly, an inwards-folded folded edge with an acute included angle is formed between the edge of the copper strip and the copper strip body. When the copper strip passes through the pressing gap in the third rolling assembly, the edge of the copper strip and the copper strip body are completely pressed, and finally the folded copper strip is output from the device. According to the device, automatic edge folding and flattening are achieved, the copper strip edge folding efficiency is improved, the labor intensity of workers is reduced, and the large-scale production requirement is met. The copper strip edge folding device is suitable for the copper strip production industry and used for achieving copper strip edge folding.

The utility model discloses a high-efficiency double-station slitting device which comprises a device support, control boxes are installed on the two sides of the device support in a positioning mode, a slitting station is arranged in the middle of the upper end of the device support, a sliding rod is installed between the two sets of control boxes, and a first slitting device and a second slitting device are movably arranged on the sliding rod. An air cylinder is installed on the inner side of the control box, telescopic rods are arranged in the air cylinder, the telescopic rods on the two sides are connected with a first slitting device and a second slitting device respectively, and the first slitting device and the second slitting device each comprise a sliding base and a first slitting support. The high-efficiency double-station slitting device is provided with a double-station switching structure and a lifting type press-fit slitting structure, slitting adjustment can be conveniently and better carried out, the high-efficiency double-station slitting device is suitable for copper strips of more models and sizes, the slitting effect is more excellent, shutdown is not needed during overhauling and tool bit replacement, and the copper strip slitting machining efficiency is improved.

The invention discloses a non-contact continuous nondestructive testing device and method for critical current uniformity of a high-temperature superconducting tape, which is applied to the field of superconducting material detection, and comprises an excitation magnet for generating a background magnetic field and exciting the high-temperature superconducting tape to generate magnetization current; the measuring probe consists of a magnetic circuit iron core, a fluxgate sensor and a copper strip compensation loop; the fluxgate sensor and the copper strip compensation loop are respectively connected with the control and measurement circuit through a fluxgate power supply acquisition circuit and a copper strip compensation loop power supply circuit; and the control and measurement circuit is used for implementing PID (Proportion Integration Differentiation) control through closed-loop negative feedback when the fluxgate sensor detects that the net residual magnetic flux in the magnetic circuit iron core is not zero, generating magnetic flux which is equal to and opposite to the high-temperature superconducting strip in size in the copper strip compensation loop, and calculating critical current according to current in the copper strip compensation loop when the net residual magnetic flux is zero. According to the method, rapid and accurate measurement of the critical current uniformity of the high-temperature superconducting strip without depending on a Hall sensor and calibration back calculation is realized.

The utility model relates to a novel high-temperature-resistant power cable. The power cable comprises a plurality of insulated wire cores; each insulating wire core comprises a plurality of conductors, a first high-temperature-resistant wrapping tape, a semi-conductive conductor shielding layer, an insulating layer, a semi-conductive insulating shielding layer and a copper tape shielding layer. Flame-retardant fillers are arranged among the plurality of insulating wire cores; a double-layer high-temperature-resistant wrapping tape II is wrapped outside the plurality of insulating wire cores to form a cable core, an isolation sleeve is extruded outside the cable core, a galvanized steel tape armoring layer is wrapped outside the isolation sleeve, a high-temperature-resistant wrapping tape III is wrapped outside the galvanized steel tape armoring layer, and an outer sheath is extruded outside the high-temperature-resistant wrapping tape III. The cable has high temperature resistance, corrosion resistance, excellent light resistance, tensile strength, thermal aging resistance and the like, can normally and stably work at rated high temperature, has no influence on electric energy transmission performance, ensures that the cable has longer service life, and can be widely applied to high-temperature electric power transmission in the industries of steel, metallurgy, chemical engineering and the like.

The invention discloses a stamping connection terminal and a preparation method thereof, and relates to the technical field of electric appliance connection terminals. The stamping connection terminal is integrally formed by continuously stamping a high-precision phosphor copper strip, and comprises a contact end and a connection end. The contact end comprises a pair of elastic contact arms which are oppositely arranged, the free end of each elastic contact arm is bent to form a guide flange with a guide surface, and a plurality of hemispherical contact salient points are arranged at the junction of the guide surface and the elastic contact arms. The connecting end is provided with a clamping structure, and the clamping structure is provided with at least two rows of antiskid teeth which are distributed in a staggered mode. And a transition region between the contact end and the connection end. The surface of the contact end is provided with a gold-plated layer, and the surfaces of the connecting end and the transition area are provided with a mist tin-plated layer. The purity of the high-precision phosphorus copper strip is larger than or equal to 99.95%, the content of phosphorus is 0.03-0.08 wt%, the tensile strength is 350-400 MPa, and the ductility is larger than or equal to 15%. According to the invention, the problems that the connection is not tight enough, the conductive performance is not stable and the preparation cost is high in the actual use process of the current connection terminal can be effectively improved.

The utility model relates to a copper strip edge round edge trimming mechanism, and belongs to the technical field of copper strip trimming, the copper strip edge round edge trimming mechanism comprises a trimming platform, a first trimming mechanism and a second trimming mechanism are arranged on the trimming platform, and a supporting platform used for supporting a copper strip body is arranged in the middle of the trimming platform; the first trimming mechanism comprises first horizontal moving mechanisms located on the two sides of the supporting platform, cutters are arranged on the first horizontal moving mechanisms, and arc grooves used for making contact with the edges of the copper strip body are formed in the cutters. The second trimming mechanism comprises second horizontal moving mechanisms located on the two sides of the supporting platform, edge guide wheels are arranged on the second horizontal moving mechanisms, and annular arc grooves are formed in the edge guide wheels. The distance between the two edge guide wheels can be rapidly adjusted through the two second servo electric cylinders, burrs of copper strips with different widths are removed, the automation degree of copper strip trimming is improved, the labor intensity is small, and the trimming working efficiency is greatly improved.

The utility model discloses drying equipment for copper strip production, and belongs to the technical field of copper strip drying. The device is mainly composed of a drying bin, a heating plate, a guide roller and an air blower, heating wires are arranged in the heating plate and the guide roller, and a sponge block and a rubber plate are arranged on the right side of the air blower. A copper strip body enters through the feeding port and is driven by the guide roller to move, the air blower preliminarily blows accumulated water on the surface of the copper strip, the sponge block and the rubber plate guide accumulated water on the upper side of the copper strip forwards and backwards, accumulated water accumulation is reduced, and then the heating wire generates heat to further dry the copper strip. Exhaust fans at the upper end and the lower end of the drying bin can adjust the internal temperature, and a control cabinet and a monitor can monitor equipment operation in real time. Through unique structural design, the problems that accumulated water on the surface of a copper strip is difficult to blow dry and water spots are easy to form in the prior art are effectively solved, the drying process is accelerated, the drying efficiency and the surface quality of the copper strip are improved, the sponge block and the rubber plate are detachable, maintenance and replacement are convenient, and good practicability and market application value are achieved.

The utility model relates to the technical field of communication cables, in particular to an anti-interference urban communication cable, which comprises a cable core, an electromagnetic shielding layer, a waterproof filling layer, a tensile reinforcing layer and an outer sheath which are sequentially arranged from inside to outside, the electromagnetic shielding layer comprises a copper strip shielding layer on the inner side and an aluminum foil shielding layer on the outer side, and an insulating isolation layer is arranged between the copper strip shielding layer and the aluminum foil shielding layer; the flame-retardant modified PVC / ZnO composite material is used for an outer sheath of a high-voltage cable, has an excellent flame-retardant effect and can reduce the fire risk; the electromagnetic shielding layer comprises a copper strip shielding layer on the inner side and an aluminum foil shielding layer on the outer side, and an insulating isolation layer is arranged between the copper strip shielding layer and the aluminum foil shielding layer; the inner copper strip shielding layer and the outer aluminum foil shielding layer are combined through the insulation isolation layer, a 360-degree three-dimensional shielding system is formed, and the anti-electromagnetic interference capability is improved.

The utility model discloses a shielding machine copper strip feeding device, including track subassembly and feeding subassembly, track subassembly includes the first track of along first direction extension and the second track of along second direction extension, and the second track is movably arranged on the first track, and the second track includes a plurality, and first direction and second direction are perpendicular, feeding subassembly includes at least one manipulator, and the second track corresponds with the manipulator one to one, and each manipulator is movably arranged on the second track, and each manipulator all is provided with rotatable sucking disc. The utility model discloses a shielding machine copper strip feeding device, through the sucking disc adsorption copper strip of manipulator, then operating personnel operate manipulator along second track and first track remove, complete the copper strip feeding work of shielding machine, can improve the copper strip feeding efficiency of shielding machine, reduce the labor intensity.

The utility model provides a kind of ceramic silicon rubber insulation high-temperature-resistant medium-voltage cable, it is related to cable technical field, including: conducting transmission layer, insulating heat-resistant layer, shielding buffer layer and protective armor layer;The conducting transmission layer includes center conductor, inner shielding layer and semi-conductive water-blocking layer;The insulating heat-resistant layer includes base insulating layer, ceramic silicon rubber layer and reinforced insulating layer;The shielding buffer layer includes outer shielding layer, elastic buffer layer and copper band shielding layer;The protective armor layer includes inner sheath, steel-tape armoring layer, outer sheath and wear-resistant protective layer.The utility model can be stable in medium-voltage power transmission Conducting, effective insulation, reliable shielding, resist a variety of external factors at the same time, applicable to high temperature and various complex environments, guarantee power transmission safety, stable and durable.

The utility model discloses a copper strip surface cleaning and passivating treatment device which comprises a cleaning box and a plurality of guide rollers arranged in the cleaning box, a left inclined comprehensive cleaning mechanism and a right inclined comprehensive cleaning mechanism are arranged in the cleaning box, and each comprehensive cleaning mechanism comprises an upper cleaning brush, a lower cleaning brush, a driving assembly, a reciprocating assembly and two adjusting assemblies. The two cleaning brushes are installed between the two adjusting assemblies respectively, the distance between the two cleaning brushes can be adjusted through the adjusting assemblies so that the cleaning brushes can make contact with a copper strip, the driving assembly comprises a cam, and the cam rotates and pushes one cleaning brush to move. According to the copper strip surface cleaning and passivating treatment device, when the copper strip moves in the cleaning box, the driving assembly and the reciprocating assembly are matched to enable the cleaning brush to move in a reciprocating mode to clean the upper surface and the lower surface of the copper strip, so that the cleaning effect on the surface of the copper strip is improved, and the practicability of the device in use is improved.

The invention relates to automatic copper strip coating and connecting equipment which comprises a rack, a rotary table, a feeding device and a copper strip beating device. The copper strip beating device adopts a single-roll copper strip roller, and the copper strip is split into two split copper strips by a copper strip splitting mechanism in a centering manner; the steering centering traction assembly solves the problem of alignment of the copper strips, and the double-copper-strip cutting and pressing riveting mechanism synchronously cuts and presses rivets. According to the equipment, automatic copper strip coating connection of the long connecting wire of the socket and the short connecting wire of the heating element is achieved, single-roll slitting replaces double-roll simplified material changing, and the coating quality and the production efficiency are improved.

The invention discloses a ground screen and a preparation method thereof, the ground screen comprises cable paper, the cable paper is provided with a plurality of metal coating belts, the upper edge and the lower edge of the ground screen are respectively provided with acetal enameled copper wires, the metal coating belts and the acetal enameled copper wires are welded together through equipotential connection copper belts, and ground screen outgoing lines are welded on the equipotential connection copper belts. The metal belt used by the ground screen is replaced by the metal coating belt with higher adhesive force and good bending resistance, the thickness is small, the bending resistance is high, the conformality is good, the acetal enameled copper wire with insulation is arranged on the edge of the ground screen, the shape of a narrow-edge electrode formed by the metal coating belt at the upper end and the lower end of the ground screen can be effectively improved, and the service life of the ground screen is prolonged. The ground screen electrode is reasonable in overall structure, large in direct-current resistance, high in reliability, convenient to assemble, capable of improving electric field distribution at the end of the ground screen, reducing the electric field intensity at the end of the ground screen, improving main insulation electric field distribution at the end of the ground screen and greatly improving safety and reliability of use of the ground screen electrode, and suitable for being placed between transformer coils.

The utility model relates to the technical field of stretch bending and straightening devices, and discloses a copper strip stretch bending and straightening device which comprises a fixing frame, a conveying belt is arranged at the top of the fixing frame, a support is fixedly connected to the upper surface of the fixing frame, a sliding seat is slidably connected to the inner wall of the support, and a supporting frame is fixedly connected to the middle of the sliding seat. And a downward moving assembly is arranged on one side of the outer wall of the support and used for driving the supporting frame to move downwards, a cleaning assembly is arranged in the supporting frame and used for cleaning the copper strip, and a supporting plate is fixedly connected to the middle of the upper surface of the fixing frame. According to the copper strip straightening device, impurities, oil stains and other attachments on the surface of a copper strip can be removed, the copper strip is prevented from being scratched or damaged by the impurities in the subsequent straightening process, and therefore the machining quality of the copper strip is improved, and the service life of the copper strip is prolonged.

The utility model relates to the field of battery pole plates, in particular to a punching copper strip, which comprises side strips positioned on the edges of two sides of the punching copper strip along the length direction, a hole area is arranged between the two side strips, and the hole area is divided into a left hole area and a right hole area by a hole-free strip positioned in the middle along the length direction. The non-porous belt is arranged in the middle of the punched copper belt and is punched into the tab, so that the step of cutting off wider edges in the traditional design is avoided, and the utilization rate of materials is remarkably improved. The tab is directly formed through the tooth-shaped blanking line, and the step of welding the tab is omitted, so that the production efficiency is improved; meanwhile, due to the fact that the punching copper strip has sufficient stress points in the machining process before punching and blanking, stability in the machining and transporting process is guaranteed, deformation is reduced, the production process is further optimized, and the reject ratio in production is reduced.

This invention provides a biomimetic torsional actuator based on the principle of electrostatic hydraulics, addressing the issues of large size and heavy weight in the axial rotation structure of flexible robots. The invention includes a shell, a base, a rotating baffle, and an electrostatic hydraulic actuator. The rotating baffle's structure varies slightly depending on its position. The electrostatic hydraulic actuator consists of ultra-thin copper tape electrodes, a TPU film, and No. 45 transformer oil, with the ultra-thin copper tape electrodes and the TPU film sealed together using Ecoflex 00-10 silicone sealant. By applying a high voltage to the ultra-thin copper tape electrodes of the electrostatic hydraulic actuator, a large number of positive and negative charges accumulate on both sides of the electrodes. The electrostatic force between these charges compresses the TPU film storing the No. 45 transformer oil, causing the opposite sides of the ultra-thin copper tape electrodes to expand, thereby driving the rotating baffle to generate torque and rotation. The rotating baffle and electrostatic hydraulic actuator are arranged in pairs, sector by sector, mimicking the shape of an elephant's trunk, octopus tentacles, and spider joints, enabling torsional motion over a wider range.

The utility model relates to a copper strip straightening device. The copper strip straightening device comprises a fixed base table, a movable base table, a first straightening roller and a second straightening roller. Conveying lines are arranged on the two sides of the fixed base table, guide rails are arranged in the running direction of the conveying lines, and a mounting table is arranged on the guide rails in a sliding mode. The movable base table is arranged on the fixed base table in a controlled overturning mode, the multiple first straightening rollers are arranged in the mounting table, and the multiple second straightening rollers are arranged on the movable base table. The multiple second straightening rollers and the multiple first straightening rollers are matched in a staggered mode in the running direction of the conveying line to define a straightening gap so as to straighten the copper strip. The turnover movable base table is arranged on the fixed base table, and the second straightening roller is mounted on the turnover movable base table, so that the mounting table can be conveniently exposed by turning over the movable base table under the condition that a main body structure of the device is not disassembled, and an operator can conveniently move and adjust the first straightening roller through the mounting table; therefore, the dislocation distance between the first straightening roller and the second straightening roller is adjusted more efficiently and conveniently.