530 results about "Copper tape" patented technology

The invention relates to the technical field of cross-linked polyethylene cables, in particular to a mining cross-linked polyethylene insulated armored self-repairing cable and a manufacturing method thereof.The mining cross-linked polyethylene insulated armored self-repairing cable comprises a center conductor unit, a cross-linked polyethylene insulating layer, a shielding layer and an armored layer sequentially wrap the outer side of the center conductor unit from inside to outside, and an outer sheath layer is extruded on the outer side of the armored layer; the shielding layer comprises a semi-conductive shielding layer wrapping the outer side of the cross-linked polyethylene insulating layer, and the outer side of the semi-conductive shielding layer is wrapped with a copper strip shielding layer. By arranging the composite conductor structure in the central conductor unit and cooperating with the graphene heat dissipation filaments and the paraffin heat absorption and heat dissipation layer, the heat dissipation performance of the cable is improved, the temperature of the cable during operation is effectively reduced, faults caused by overheating are reduced, and the service life of the cable is prolonged; the armor layer and the copper strip shielding layer realize multipoint equipotential grounding through a sectional conductive adhesive tape, electromagnetic interference can be effectively shielded, and fault current diffusion is limited.

The invention relates to the technical field of cable production and processing, and provides a tension balancing device and a balance adjusting method for a cable shielding layer wrapping machine, and the device comprises a wrapping mechanism which is used for winding a copper strip to the periphery of a cable core wire; the tension adjusting mechanism is used for adjusting the tension of the copper strip in the winding process; the balance adjusting mechanism is used for synchronously adjusting the winding angle of the copper strip in the tension adjusting process; the tension adjusting mechanism comprises a driving assembly and a tension adjusting assembly, the tension adjusting assembly comprises a fixing box, and a rack is slidably connected to the upper end of the inner right side of the fixing box. Through mutual cooperation of a driving assembly and a tension adjusting assembly in the tension adjusting mechanism, when the copper strip on the periphery of the collecting disc is reduced, the tension on the copper strip can be kept unchanged, and then the situation that when the copper strip is reduced, the tension of a second limiting wheel on the copper strip is increased, and consequently the copper strip is broken is avoided.

The utility model discloses a bending-resistant radio frequency coaxial cable, which comprises an inner conductor, an insulating layer, a shielding layer and a sheath layer which are sequentially arranged from inside to outside, the inner conductor is formed by concentrically twisting a plurality of strands of silver-plated copper wire monofilaments; the insulating layer comprises an inner insulating layer and a polytetrafluoroethylene film outer insulating layer; the inner insulating layer is wrapped outside the inner conductor and is formed by sintering a polytetrafluoroethylene tape; the polytetrafluoroethylene film outer insulating layer is wrapped outside the inner insulating layer; the shielding layer comprises an inner shielding layer, a middle layer and an outer shielding layer, and the inner shielding layer is a silver-plated copper strip wrapping layer and wraps the insulating layer; the middle layer is a polyimide aluminum foil composite belt wrapping the inner shielding layer; the outer shielding layer is a silver-plated aramid yarn woven layer and is woven outside the middle layer; the sheath layer is a polytetrafluoroethylene sheath layer. The cable provided by the utility model has the characteristics of high-frequency bending resistance and good environment resistance, and also has excellent electrical transmission performance.

The present invention discloses a fire-resistant cable, which includes a conductor. A conductor shielding layer is arranged outside the conductor. An insulating layer is arranged outside the conductor shielding layer. An insulating shielding layer is arranged outside the insulating layer. A semiconductive buffer tape layer is arranged outside the insulating shielding layer. A composite copper tape shielding layer is arranged outside the semiconductive buffer tape layer. The composite copper tape shielding layer includes an inner shaped copper tape winding layer and an outer flat copper tape covering layer. The shaped copper tape winding layer is formed by winding copper tapes with a T-shaped cross-section, and adjacent winding turns overlap a part of each other. There are cavities between the T-shaped copper tapes and both the inner semiconductive buffer tape layer and the outer flat copper tape covering layer, and the cavities are filled with dry powder. The outside of several cable cores is a cable skin, and an insulating filling layer is arranged between the cable skin and the cable cores; through the formation of a composite fire-resistant structure, the cable can achieve the effect of layered heat insulation; the composite copper tape shielding layer forms cavities for accommodating dry powder, which can improve the heat preservation and heat insulation effect.

The invention relates to the technical field of electric wires and cables, and discloses an ultrahigh-conductivity electric wire and cable and a preparation method thereof. A graphene enhancement layer; a nano composite insulating material layer; an inner semi-conductive layer; a conductive copper strip shielding layer; a silver-plated copper wire woven mesh shielding layer; an intelligent monitoring and protection sheath; the method comprises the following steps: step S01, preparing a superconducting core wire strand; step S02, preparing a nano composite insulating material layer; s03, preparing a shielding layer; step S04, intelligent monitoring and protection sheath preparation; the superconducting core wire strand formed by twisting a plurality of YBCO superconducting material filaments forms a stable structure with excellent conductivity under the precise control of twisting process parameters, so that the resistance is effectively reduced, the loss in the electric energy transmission process is reduced, the electric energy transmission efficiency is improved, high-density current can be borne for stable transmission, and the service life of the cable is prolonged. And the requirement of the modern electrical engineering field on high conductivity of wires and cables is met.

The invention discloses a preparation method of a high-temperature-resistant, high-strength, high-electric-conductivity and high-heat-conductivity copper-niobium heterogeneous nano composite fine filament, which comprises the following steps of: 1, winding a copper strip and a niobium strip, placing the wound copper strip and niobium strip in a copper sheath, carrying out homogeneous heating and isothermal hot extrusion deformation, and then carrying out multi-pass straight drawing, intermediate annealing and disc drawing to obtain a copper-niobium composite wire; 2, bundling and assembling the copper-niobium composite wires, placing the copper-niobium composite wires in a copper sheath, carrying out homogeneous heating and isothermal hot extrusion deformation, and then carrying out multi-pass straight drawing, intermediate annealing and disc drawing to obtain a copper-niobium multi-core composite round wire; and 3, performing multi-pass drawing and vacuum annealing on the copper-niobium multi-core composite round wire in sequence. The ultra-plastic deformation process combining copper and niobium winding combination with cluster drawing is adopted, the fine wire with high tensile strength, good bending and tensile plasticity, excellent high-temperature thermal stability and high-temperature stress relaxation resistance, excellent radiation resistance and excellent strong current matching is obtained, the process is simple, control is easy, and the method is suitable for industrial production. The industrial batch production is easy to realize.

The utility model relates to the technical field of copper belt rolling, in particular to a pressure-adjustable multi-section extrusion type ultra-thin copper belt rolling device which comprises a machine body, a conveying belt arranged in the machine body and used for conveying workpieces, a first rotary driver used for driving the conveying belt to convey and extrusion rollers used for extruding the workpieces. The extrusion device comprises an extrusion roller and an adjusting mechanism for driving the extrusion roller to adjust the position in the vertical direction, and is characterized in that the adjusting mechanism comprises a second rotating rod, a third rotating rod and a driving connecting mechanism for driving the second rotating rod and the third rotating rod to slide in the vertical direction; the multi-section extrusion type ultra-thin copper belt rolling device further comprises a cutting mechanism for cutting workpieces and a collecting mechanism for collecting cutting waste materials. According to the technical scheme, the extrusion roller and the second cutting roller synchronously ascend or descend, so that copper strips are extruded and cut synchronously, the copper strips with different thicknesses can be extruded and cut, and the applicability of the device is improved.

The present invention provides a power module and an internal positioning method thereof, comprising a main body, the main body comprising a substrate assembly, a copper frame and a chip; the copper frame and the chip are respectively connected to the substrate assembly; the copper frame comprises a first copper belt; the substrate assembly or the chip is provided with a limiting assembly that enables the first copper belt to be positioned correspondingly on the chip. The present invention limits the movement of the copper frame or the copper belt by adding a limiting piece on the surface of the insulating substrate or the surface of the chip, thereby playing a positioning role, and can prevent the copper frame or the copper belt from being unable to be accurately positioned when the copper frame or the copper belt is used for chip surface connection, resulting in a positional deviation from the center of the chip, thereby causing a short circuit problem.

The invention discloses a copper strip processing slitting machine with dust blowing and heat dissipation functions, and relates to the related field of copper strip processing technology.The copper strip processing slitting machine structurally comprises a slitting machine body, an inlet formed in the bottom of the front end face of the slitting machine body, and a U-shaped long bottom plate fixedly connected to the inlet of the bottom of the front end face of the slitting machine body. A small motor is started to drive a blade to cut a copper strip, meanwhile, a gear ring and fan blades are synchronously driven to rotate, the fan blades drive air on the inner side of an inlet to enter the inner side of a second inner cavity, and dust in the air makes contact with water while a water pump is started to enable a spray head to spray water; and meanwhile, when temperature is generated during copper strip cutting, surrounding air enters a second inner cavity and makes contact with water to transfer heat, relative cooling can be achieved, and when the copper strip slitting width needs to be adjusted, the copper strip slitting width can be adjusted, so that the copper strip slitting width can be adjusted, and the copper strip slitting width can be adjusted. And the operation can be quickly and simply realized only by rotating the rotating handle.

The utility model aims at disclosing an oil removal device of a copper strip roughing mill, which relates to the technical field of copper strip processing and comprises a pair of rolling rollers and a copper strip thickness detector, the copper strip thickness detector is movably arranged on one side of the copper strip, a row of multiple air outlets are formed in the copper strip thickness detector, the air outlets blow air to the copper strip in the inclined direction, and the air outlets face the side where the rolling rollers are located. The copper strip thickness detector has the technical effects that the copper strip thickness detector is movably arranged on one side of the copper strip, the copper strip thickness detector is provided with a plurality of air outlets in a row, and enough distances are reserved between the air outlets and rolling rollers, so that the copper strip cannot touch the air outlets in a strip threading process, and the air outlets are prevented from being damaged; when the thickness of the copper strip needs to be measured, the detection head of the copper strip thickness detector is moved to the position above the copper strip and conducts online measurement, meanwhile, the air outlets in one row can blow air to the copper strip, and the air blowing aims at preventing rolling oil from overflowing along the copper strip.

The invention provides a high-heat-dissipation flanging type copper strip frame structure which comprises a frame body, and the surface of the frame body is sequentially connected with frame carriers from left to right. The plurality of flanged copper strips are respectively arranged on the surfaces of the plurality of frame carriers, and a copper strip folding lug is arranged on one side of the surface of each flanged copper strip; the chip main body is arranged on the surface of the edge folding type copper strip and located on one side of the copper strip folding lug, a plurality of copper strip glue locking holes are transversely and longitudinally formed in the surface of the edge folding type copper strip, and a plurality of elastic piece supporting feet are sequentially arranged on the surface of the frame main body from left to right. According to the high-heat-dissipation edge-folded type copper strip frame structure provided by the invention, in the aspect of electrical performance, resistance is reduced, heat generation is reduced, a relatively high packaging resistance value caused by metal wire connection can be avoided, so that heat generated when current passes through is reduced, the performance and the stability of a chip are favorably improved, and the service life of the chip is prolonged. And the limitation of the conductive performance of the metal wire is broken through.

The invention discloses a double-pressing-wheel film pressing device for a copper strip of a lead frame, and relates to the technical field of lead frame film pressing, and the double-pressing-wheel film pressing device comprises two groups of hot pressing wheels which are used for carrying out hot pressing lamination on the copper strip and a film; the winding equipment is used for winding the copper strip subjected to film pressing; the two scraping mechanisms are arranged between the hot pressing wheel and the winding equipment and are symmetrical up and down; the scraping mechanism comprises two horizontally-arranged pressing rollers and a driving assembly, wherein the driving assembly drives the pressing rollers to move in a reciprocating mode in the direction perpendicular to the copper strip conveying direction. And the lifting control part is used for realizing alternate lifting of the compression rollers through cooperation of the guide grooves and the guide wheels. The problems that in the prior art, in the lead frame copper strip film pressing process, gas cannot be completely exhausted, bubbles are formed, and then electric conduction is affected are solved. The device has the advantages that by arranging the scraping device, bubbles are removed through the scraping device after film pressing is completed, and the like.

A novel 5KV airport navigational light fireproof cable comprises a copper conductor, a conductor shielding layer, an insulating layer, an insulating shielding layer, a copper strip shielding layer, a silica gel strip layer, an aluminum protection layer, a fireproof layer and a combustion-supporting sheath which are sequentially arranged from inside to outside. The fireproof and flame-retardant performance of the cable is higher than the existing standard.

The invention discloses a special-shaped copper strip defect real-time detection method and system, terminal equipment and a storage medium, and relates to the technical field of target detection. The method comprises the following steps: receiving special-shaped copper strip pictures, constructing an image data set, carrying out picture preprocessing, and dividing the preprocessed pictures into a training set, a verification set and a test set; a special-shaped copper strip defect detection model based on a YOLOv8 network structure is constructed, and the special-shaped copper strip defect detection model adopts an adaptive spatial feature fusion module to replace an original Head structure, adopts a slip-check module to replace an original Neck structure, and adopts an inner-SIoU loss function to replace an original CIoU loss function. According to the method, the performance is remarkably improved in the surface defect detection task of the special-shaped copper strip, high detection precision is achieved, superiority is shown in the model detection speed, the requirement for real-time detection is met, the accuracy and effectiveness of defect detection of the special-shaped copper strip are improved, and the detection efficiency is improved. Therefore, powerful support is provided for sustainable development of the copper processing industry.

The invention provides a tunnel type photovoltaic panel decomposition process, and relates to the field of photovoltaic panel recovery. Comprising the following steps: S1, disassembling an aluminum frame and a junction box of a photovoltaic panel to obtain a photovoltaic panel assembly; s2, the photovoltaic panel assembly is placed at the feeding end of the tunnel type photovoltaic panel decomposition machine; s3, a conveying mechanism of the tunnel type photovoltaic panel decomposition machine is started, and the photovoltaic panel assembly is conveyed to a preheating area to be preheated; s4, the photovoltaic panel assembly subjected to preheating treatment is conveyed to a high-temperature area to be subjected to heating decomposition treatment, so that a packaging material EVA of the photovoltaic panel is molten; s5, conveying to a cooling area for cooling treatment; and S6, carrying out classification treatment by using a color selector and a specific gravity separator to obtain a copper strip, a silicon wafer and glass. According to the photovoltaic panel decomposition process provided by the invention, the time for treating the photovoltaic panel assemblies is short, the treatment time of each photovoltaic panel assembly is within 1-2 minutes, and compared with the prior art, the photovoltaic panel decomposition treatment time is greatly shortened.

The present invention provides a continuous extrusion device and method for copper strip processing, which relates to the technical field of copper strip processing devices. A continuous extrusion device for copper strip processing includes: a workbench erected on a horizontal plane; a first rotation source fixedly arranged on the workbench and provided with a plurality of them along the vertical direction. The driving shaft of each first rotation source is fixedly connected with a support rod, the support rod is rotationally connected with the workbench, the support rod is fixedly sleeved with a roller base body, and adjacent two roller base bodies extrude the copper strip. The inner side wall of the roller base body is fixedly connected with a reinforcing rib, and the height of the reinforcing rib gradually increases from the middle of the roller base body to both ends. The present invention has the effect of improving the extrusion accuracy of the copper strip.

The invention discloses a cable resistant to high temperature and acid corrosion, and the cable comprises a conductor layer which is formed by concentrically twisting a plurality of nickel-coated copper wires; the inner insulating layer coats the conductor layer and is used for improving the thermal conductivity of the cable; the outer insulating layer is sleeved on the inner insulating layer; the anti-bending buffer layer is coated outside the outer insulating layer; the electromagnetic shielding layer wraps the anti-bending buffer layer and is used for forming a shielding layer; the electromagnetic shielding layer is coated with the anti-corrosion functional layer, the anti-corrosion functional layer is a fluororubber belt, and benzotriazole corrosion inhibition microcapsules are embedded in a rubber layer of the fluororubber belt; and the mechanical strengthening layer is arranged outside the anti-corrosion functional layer in a sleeving manner. According to the invention, the conductor layer adopts the nickel-coated copper wire to improve the high-temperature-resistant conductivity, the corrosion inhibition microcapsules are embedded in the corrosion-resistant functional layer to realize long-acting corrosion resistance, the electromagnetic shielding layer is combined with graphene and the tinned copper strip to enhance the broadband shielding effectiveness, and the cable has long-acting corrosion resistance, mechanical property stability in a high-temperature environment and broadband electromagnetic shielding effectiveness.

An enclosure to protect people and instruments from the effects of an electromagnetic pulse (EMP) is provided. The enclosure includes a floor assembly; walls extending upward on a first, second, third, and fourth side of the floor assembly; a roof; and a ceiling. On the interior of the enclosure, a shield layer is provided such that the enclosure forms a six-sided Faraday cage. Fasteners and other conductive securement materials such as copper tape help achieve the conductivity of the shield layer. Extending through the walls of the enclosure may be secure points of entry allowing for people, air, and conductors to securely enter and exit the enclosure. The enclosure contains a grounding system to assist with protecting the contents of the enclosure from the effects of the EMP.

The invention relates to the field of cable production, in particular to a cable production process and cable production equipment with a convenient-to-adjust function, and the cable production equipment comprises a U-shaped plate, a rotating shaft rod, a mounting assembly, a rotating assembly, a fixing assembly and the like; the mounting assembly is connected with a rotating assembly; the rotating assembly is connected with a fixing assembly; the rotating assembly is connected with a U-shaped plate; and the U-shaped plate is rotationally connected with two rotating shaft rods which are distributed up and down. The part, passing through the two compression rollers, of the copper strip is pressed by the convex rod part and the concave rod part to become a Z-shaped state, so that in the copper strip wound on the surface of the cable, the right side of the rear section of the copper strip is directly attached to the left side of the front section of the copper strip; the problems that in the existing copper strip winding process, in the process that a rear-section copper strip enables the left side of a front-section copper strip to deform, the rear-section copper strip is prone to sliding in the direction away from the front-section copper strip, the rear-section copper strip is not attached to the front-section copper strip, and gaps exist in a shielding layer formed by the copper strip are solved.

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 invention relates to the technical field of special cable manufacturing, in particular to a corrosion-resistant power cable and a preparation method thereof.The corrosion-resistant power cable is composed of a copper conductor, a conductor shielding layer, a crosslinked polyethylene insulating layer, an insulating shielding layer, a metal shielding layer, a lining layer, an armor layer and an outer sheath; the surface of the copper conductor is plated with a nickel-phosphorus alloy, and the outer sheath contains low-density polyethylene, an ethylene-vinyl acetate copolymer, nano zinc oxide, a rare earth cerium compound and a silane coupling agent; the insulating layer is prepared through silane crosslinking, the armor layer is a galvanized steel strip or a steel wire, the metal shielding layer is wrapped by a copper strip or a copper wire, and the lining layer is made of polyethylene or a halogen-free material. The outer sheath is high in corrosion resistance, the conductors are resistant to oxidation, the insulation eccentricity is low, the stability is improved through the shielding and armoring structure, the insulation performance is optimized through the cross-linking technology, the preparation technology is suitable for industrial production, the qualified rate of finished products is high, and cost is low.

The invention provides a preparation method of a through-type silver-copper composite material used as a melt, and the preparation method comprises the following steps: carrying out multi-pass slotting treatment on the surface of a coiled copper strip along the length direction, and forming a plurality of grooves penetrating through the width direction of the copper strip on the surface of the copper strip; special-shaped machining is conducted on the two side faces of the groove; silver strips are positioned in the multiple grooves correspondingly, and continuous cold compounding is conducted through a special-shaped roller set; carrying out heat treatment on the material obtained by cold compounding; performing multi-pass cold rolling-annealing on the material subjected to heat treatment to obtain a composite material strip; and the composite material strip is brushed, so that the silver layer with the preset width is exposed from the bottom of the groove, and the through type silver-copper composite material used as the melt is formed. The composite interface bonding strength of the silver-copper composite material can be enhanced, and the production efficiency of the silver-copper composite material and the quality stability of the fuse melt are improved.

The utility model aims to provide a copper-aluminum composite material embedded with a plurality of narrow copper strips, which relates to the technical field of copper-aluminum compositing, and comprises an aluminum substrate and a plurality of narrow copper strips embedded in the aluminum substrate, and the plurality of narrow copper strips are parallel to one another; the first surfaces of the narrow copper strips are flush with the first surface of the aluminum substrate, and the second surfaces of the narrow copper strips are embedded into the aluminum substrate. Through the technical scheme, the composite material has the technical effects that (1) the composite material consists of the aluminum substrate and the plurality of narrow copper strips embedded into the aluminum substrate, the combination surfaces of the copper strips and the aluminum substrate are increased, the composite strength is increased, and the service life of the composite material is prolonged; cutting or stamping is easy; and (2) the conductivity of copper is superior to that of aluminum, and the aluminum is light in weight and low in cost. By embedding the narrow copper strip, the conductivity of the material is improved under the condition that the weight is not obviously increased; and (3) the connection problems of welding, lapping, riveting and the like of the copper-aluminum adapter in an electric power system and a circuit are solved, the stable connection of the adapter is realized, and the service life is prolonged.

The utility model relates to copper strip cleaning and filtering equipment. The device comprises a shell, an ultrasonic generator is mounted in the middle of the shell; the middle part of the shell is fixedly connected with a first motor; the inner side wall of the shell is rotationally connected with a plurality of rollers; the output end of the first motor is fixedly connected with one of the rollers; a partition plate is fixedly connected to the inner side wall of the shell. A plurality of water outlet holes are formed in the middle of the partition plate; the partition plate is obliquely arranged; an adjusting assembly is arranged in the middle of the shell; the bottom of the partition plate is fixedly connected with a filter pad; the filter pad is fixedly connected with the shell; the top of the shell is fixedly connected with a water pump; the input end of the water pump is communicated with the shell; the output end of the water pump is communicated with the shell; wastewater generated after the copper strip is cleaned by the ultrasonic generator is filtered by the filter pad and then recycled by the water pump, so that the wastewater is filtered by the equipment, and the utilization rate of water resources by the equipment is increased.

The invention relates to the technical field of cable manufacturing, in particular to a lightweight radio frequency microwave cable and a manufacturing method thereof, and the method comprises the steps: obtaining a silver-plated copper conductor; extruding the PTFE microporous medium through a pushing machine, and coating the silver-plated copper conductor with the PTFE microporous medium through a stretching machine to form a medium layer; a silver-plated flat copper strip is spirally wound on a PTFE microporous medium to form an outer conductor, and whether the spiral winding process of the silver-plated flat copper strip is qualified or not is determined based on a deviation characterization parameter of the silver-plated flat copper strip relative to the axis of the PTFE microporous medium. Determining to increase the extrusion temperature or extrusion pressure of the extruder according to the relative difference between the deviation characterization parameter and the deviation characterization parameter threshold value; 1 / 2 of a polyimide aluminum foil is wound on the outer conductor to form an electromagnetic shielding layer, a silver-plated copper wire is woven outside the electromagnetic shielding layer to form a woven shielding layer, and a fluoroplastic sheath is extruded outside the woven shielding layer to form a sheath, so that the manufacturing efficiency of the radio frequency microwave cable dielectric layer is improved.

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 subsea power transmission cable 500 comprises at least one electrical conductor 501, said electrical conductor comprising a plurality of strands 502. The cable further comprises at least one condu

The utility model belongs to the technical field of copper strip processing, and particularly relates to copper strip coiled material slitting equipment which comprises a bottom plate, a first mounting plate and a second mounting plate are fixedly arranged at the top of the bottom plate, a discharging roller and a winding roller are arranged on one side of the first mounting plate and one side of the second mounting plate respectively, a first mounting frame is fixedly arranged at the top of the bottom plate, and a second mounting frame is fixedly arranged at the bottom of the bottom plate. A first mounting frame is arranged on the top of the base plate, a second mounting frame is movably arranged on the top of the base plate, a positioning plate is arranged on one side of the second mounting frame, a locking bolt is movably arranged on the positioning plate, and a first mounting block and a second mounting block are arranged in the first mounting frame and the second mounting frame respectively. The transverse plate can be driven by pressing the pressing block, then the transverse plate drives the positioning rod to be separated from the pin hole, and then the cutter distance can be adjusted by moving the cutter, so that the equipment can cut the coiled tape into the specified size, the application range of the equipment is expanded, and meanwhile the practicability of the equipment is improved.

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 degreasing and pickling device comprises a box body, fixing frames are arranged on the front side and the rear side of the box body, a feeding roller and a receiving roller are rotationally connected to the front fixing frame and the rear fixing frame respectively, and a copper strip is in transmission connection between the feeding roller and the receiving roller. A purification assembly for purifying waste gas is arranged on the box body, a pickling tank is arranged on the inner bottom wall of the box body, a protection box is fixed on the right side of the box body, and a spraying mechanism which penetrates into the box body and is used for spraying is arranged on the protection box. According to the degreasing and pickling device for copper strip processing and production, synchronous spraying can be conducted on the upper surface and the lower surface of a copper strip through the spraying mechanism, so that the whole surface of the copper strip can make spraying contact with a degreasing and pickling solution through a spraying head, the cleaning effect on the copper strip is improved, and cleaning is more comprehensive; and meanwhile, all the surfaces of the copper strip can be subjected to high-pressure spraying of the degreasing pickling solution for multiple times, and impurities on the surfaces of the copper strip can be cleared away more thoroughly.