37results about How to "Improve stranding quality" patented technology

The invention relates to the technical field of stranders, in particular to a back twist strander capable of eliminating torsion stress. The back twist strander comprises a stand, a feeding device, a stranding device, a transmission device and a coiling device, wherein the stand is provided with a first working plate and a second working plate which divide the stand into three working chambers. The back twist strander provided by the invention achieves the aim of eliminating torsion stress generated in the total stranding process of wires through controlling the rotating speed of a feeding end to be consistent with the rotating speed at a coiling end by using the same transmission device. The transmission device of the back twist strander transmits power through a synchronous transmissionrod as well as a synchronous gear and a synchronous belt which are in the same specification. The back twist strander is simple and compact in structure, capable of totally stranding a plurality of wires, varied in stranding way and high in stranding quality, and no jumping phenomenon is caused in the total stranding process of the wires.

The invention relates to a concentric type wire-stranding machine. The concentric type wire-stranding machine comprises a bottom board (16), wherein the bottom board is connected with a set of machine frames (4) which are connected with a main shaft (3) in a matched mode, the rear end of the main shaft is connected with a branch wire storage reel (12), and the rear end of the main shaft is further connected with a motor (9) through a belt (10). The concentric type wire-stranding machine is characterized in that the main shaft is connected with a set of wire storage reel (2) in a matched mode, tension control devices are arranged on the main shaft respectively at an interval of two wire storage reels, and each tension control device is correspondingly matched with the wire storage reels on two sides of the corresponding tension control device. The concentric type wire-stranding machine has the advantages that the concentric type wire-stranding machine is of an integrated structure, the number of the circulation wire storage reels is reduced, and production cost is saved; rotation inertia is low, and rotating speed of the machine is increased; stranding and rewinding of a cable core can be conducted simultaneously, and operation time is saved; the machine can enable paying-off tension of a wire core to be stable and improve stranding quality of a cable.

The invention discloses a polyvinyl chloride insulation fireproof power cable cabling stranding machine, which comprises a mounting base, a rotary stranding frame, a take-up device and pay-off devices, wherein the rotary stranding frame is arranged in the middle of the top end surface of the mounting base, the left side of the top end surface of the mounting base is fixedly provided with a boss, the take-up device is arranged on the right side of the top end surface of the mounting base, a plurality of pay-off devices are fixedly arranged on the front and rear end surfaces of the rotary stranding frame, and the left and right end surfaces of the rotary stranding frame are fixedly provided with rotating shafts. According to the invention, the rotary stranding frame is matched with the plurality of pay-off devices to form an integrated automatic stranding structure, and the function of adjusting the stranding position is realized by sliding a fixed rod, so that the adaptability to different stranding strength of different single-stranded cables is facilitated. In addition, a wire guide plate and a collecting device are arranged, so that the single-stranded cable is enabled to have directional output, the friction damage in the stranding process can be well reduced, and the stranding quality is improved. The stranding speed is greatly improved through a wire lapping wheel and a take-up wheel.

The invention discloses a cable stranding machine. The cable stranding machine comprises at least one wire-releasing and wire-stranding apparatus and a rolling-up apparatus, wherein when the number of the wire-releasing and wire-stranding apparatus is one, the wire-releasing and wire-stranding apparatus comprises a rotary wire-releasing apparatus A, a wire-dividing apparatus A and a wire-stranding apparatus A; when a wire on a wire-releasing reel on the rotary wire-releasing apparatus A passes through the rotary wire-releasing apparatus A, the wire-dividing apparatus A and the wire-stranding apparatus A, the wire is stranded into a cable core; the cable core is connected with the rolling-up apparatus; a driving motor A supplies the driving power to the rolling-up apparatus; and the driving motor A drives the rolling-up apparatus to roll up the stranded wire of the wire-releasing reel. According to the structure of the cable stranding machine, the wires are stranded or stranded in a multilayered manner to form the cable core, so that cables of different specifications can be produced, and the applicability of the equipment is improved.

In the continuous casting of round or polygonal billet and bloom formats, use is made of moulds the mould cavity of which comprises a copper tube (3) which is intensively cooled by means of water-circulation cooling. In order to increase the cooling capacity on the one hand and the dimensional stability of the mould cavity (4) on the other hand, and also extend the total service life of the copper tube (3), it is proposed to provide the copper tube (3) with a supporting shell (12) or supporting plates over the entire circumference at the tube outer lateral surface (5). For the cooling of the copper tube (3), cooling ducts (6) for guiding the cooling water are arranged on the copper tube (3) or on the supporting shell (12). The cooling ducts (6) are distributed over the entire circumference at the tube outer lateral surface (5) and extend substantially over the entire mould length.

The invention relates to a cable twisting device Including base, A first fixed bracket is arranged on the top of the base, A fixing plate is vertically arranged on the top of the first fixing bracket,One side of the fixing plate is provided with a first wire mechanism, and the other side is provided with a second wire mechanism. The first wire mechanism and the second wire mechanism both comprisea finite position plate group. The position limiting plate group is vertically arranged between the position limiting plate group and the fixing plate, and the position limiting plate group is composed of a left side plate and a right side plate. By passing the side cable to be stranded through the limiting groove and the wire hole on the wire plate in turn, and the center cable passes through the center position of the stranded tube, and the side cable passes through the conductor groove formed between the adjacent spiral guide strips, and then the pitch in the stranding process can be ensured to be a fixed value by using the turntable with the fixing clip in the rotating process and the stranded tube, so as to greatly improve the twisting quality of the cable.

The present invention belongs to the field of electric cable production equipment, and more particularly relates to an electric wire and electric cable auger machine which comprises a main wire rotating shaft, a positioning frame, wire inlet sleeves at all levels, rotation sleeves at all levels, transmission chains at all levels, transmission shafts at all levels, rotating disks at all levels, rotating disk racks at all levels, directional wheels at all levels, branching wire rotating shafts at all levels, disk holes at all levels, cluster die heads at all levels, a rotating electric motor, a pull-up group of low wheels, a pull-up group of high wheels, a pull-down group of high wheels, a pull-down group of low wheels, package rotating sleeves, non-woven cloth rods, a metering rotary wheel, a tightening rotary wheel, a synchronous steering electric motor, a rotary shaft platform, a support rack platform rod, a wire take-up rod, a sleeve rod and a wire forming rotary shaft. The beneficial effects of the electric wire and electric cable auger machine are that (1) bidirectional twisting can be realized, and branching wire interweaving and non-uniform intertwisting can be prevented; (2) the number of twisting layers can be enlarged and the number of stranded wires can be adjusted; (3) lapping operation can be performed at the same time; (4) accurate metering can be realized, cabled wires can be bundled tight, and convenience of blanking cabled wires can be improved.

The invention relates to a high-strength steel strand producing, manufacturing and stranding processing machine. The high-strength steel strand producing, manufacturing and stranding processing machine comprises a bottom plate, a driving device, a stranding device, a clamping device and a winding device. The stranding processing machine can solve the following problems in the stranding process of steel wires: a, the number of wire harnesses of the steel wires is relatively large, traditional stranding equipment cannot position, install and guide steel wire coils easily, so that the phenomenon that the steel wires are wound easily in the stranding process is caused, consequently, the stranding is blocked or the stranding quality is relatively poor, and the stranded steel strands cannot be put into use; and b, the mounting positions of the steel wire coils are mostly fixed, so that when different strands of steel wires are stranded and adjusted, the mounting positions of the steel wire coils cannot be changed, the included angles between the stranded steel wires are not uniform, the polymerization degree of the stranded steel strands is relatively poor, and the overall performance of the steel strands is reduced.

The invention discloses a conductor twisted roundness improving device which comprises a twisting bow. A plurality of magnetic holes are formed in the twisting bow. The radial distance between the magnetic holes in the two ends of the twisting bow and the twisting bow is the maximum, and the radial distance between the twisting bow and the magnetic holes from the two ends to the middle of the twisting bow is gradually decreased, and the distance between the magnetic holes from the two ends to the middle of the twisting bow is gradually decreased. According to the conductor twisted roundness improving device, the copper wire hollow state is kept well, and the twisted conductor quality is the highest.

A one-time forming type high-speed twisting machine comprises a machine set which comprises a reverse twister and a main unit sequentially and technically from front to back. The reverse twister comprises a reverse twisting frame, a plurality of single-strand inner paying-off mechanisms are arranged in a reverse twisting bow which is arranged in the reverse twisting frame, and an outlet of the reverse twisting frame is communicated with an inlet of the main unit; an outer paying-off mechanism connected to the inlet of the main unit is matched with the reverse twister and in linkage with the reverse twister and the main unit. The one-time forming type high-speed twisting machine has the advantages of one-time forming, high efficiency, quickness, high twisting quality, high uniformity and free adjustability in twisting pitch and direction.

The intelligent control system of the new two-in-one four-strand rope machine includes: automatic length-fixing control unit for hemp rope, section-strand alarm delay unit, light inspection unit, and PLC main control unit; the automatic length-fixing control unit for hemp rope, The section strand alarm delay unit, the hair removal motor control unit, the main motor control unit and the PLC main control unit are respectively connected; the hemp rope automatic fixed-length control unit is used to set the fixed length during automatic operation; the section strand The alarm delay unit is used to automatically stop the system and give an alarm when the strand is broken; the light detection unit is used to detect the running indicator lights in the whole system. The intelligent control system of the novel two-in-one four-strand rope machine provided by the present invention can effectively control the automatic shutdown of the machine, greatly relieve the labor intensity of workers, and improve the quality of strands.

The invention discloses an ethylene propylene rubber insulated salt-spray-resistant rubber jacketed flexible cable, and particularly relates to the technical field of wires and cables. The cable comprises a cable body, the inner layer of the cable body comprises four conductors, the conductors are coated with insulating layers, the four insulating layers are coated with a circle of flame-retardant wrapping tape layer, and a sheath layer is coated outside the flame-retardant wrapping tape layer. The miniature electric push rod pushes the two stranding pressing plates to be close to each other, the stranding pressing pads press and tighten a plurality of stranded wires entering the stranding cavity, the possibility of loosening of the stranded wires during stranding is reduced, the quality of conductors during stranding is improved, the driving motor drives the gear to be meshed with the outer gear ring, The plurality of stranded wires in the stranding seat can be stranded, a single conductor is formed after the plurality of stranded wires are stranded, the number of stranding processing procedures is small, the forming efficiency is high, the plurality of stranded wires can be tensioned through the arrangement of the hydraulic rod, and the stranding quality is improved.