CN116665952A - Conductor, cable and stranding equipment - Google Patents

Abstract

The invention discloses a conductor, which comprises a reinforcing core and a conductive part arranged outside the reinforcing core; a cable comprises a conductor, wherein an insulating layer is arranged outside the conductor, and an outer protective layer is arranged outside the insulating layer; the utility model provides a transposition equipment, includes toper sleeve, carriage and hoisting unit, and toper sleeve is vertical to be set up, and toper telescopic lower part is connected with solid fixed ring, and gu fixed ring divide into multistage bracing piece. According to the invention, all the wires are twisted outside the reinforced core in a braiding manner, so that the tensile strength of the conductor can be improved, the conductive part is kept concentric with the reinforced core, and the influence on the electric field, stress, insulating property and the like of the cable is avoided; when the wire coil wire of the upper part is twisted, the standby wire coil is supported to push upwards along the sliding cavity under the action of the lifting ring and the telescopic rod, meanwhile, the toothed plate is meshed with the rack of the wire coil of the upper part, the wire coil which is used up by the rack slides out from the rack, and the standby wire coil is lifted to the rack, so that the wire coil replacement is completed.

Description

Conductor, cable and stranding equipment

Technical Field

The invention relates to the technical field of cables, in particular to a conductor, a cable and twisting equipment.

Background

The cable is a kind of electric energy or signal transmission device, the cable is made up of single-strand or multi-strand wires and insulating layer, used for connecting circuit, electric appliance, etc., the cable is usually a rope-like cable formed by twisting several wires or groups of wires (at least two wires per group), each group of wires are insulated from each other, and are often twisted around a center, and the whole outside is covered with a highly insulating coating.

The cable used in some complex environments needs to move back and forth, the cable structure is complex, the cable core number is large, but the conductor sectional area is small, the cable is subjected to great pulling force when moving back and forth, the cable is also continuously bent, and the cable is easy to break, so that the problems are solved, in the prior art, a composite conductor is adopted, as shown in fig. 1, a steel wire unit a is added, a copper wire b is twisted outside the steel wire unit a, the tensile strength of the steel wire unit a is larger than that of a lead wire unit b, and the tensile strength of the whole conductor is effectively enhanced.

However, when the cable is used, if the cable is excessively twisted, the steel wire unit a of the inner conductor of the cable is easily separated and passes through the lead wire unit b, so that the restraint of the lead wire unit b is released, the concentricity of the copper wire and the steel wire cannot be ensured, the electric field, the stress, the insulation performance and the like of the cable are affected, and the use safety of the cable is further affected.

In addition, prior to twisting a plurality of cable conductors into a single cable, a plurality of workers are required to lift the conductor wire coil onto a cable paying-off machine or to place the wire coil in place using a gantry crane. In-process not only need lift the drum, still need put the drum angle, position to paying out machine, stranding machine length are very long, take up an area very, space utilization are low, simultaneously, after the drum uses to accomplish, because not place reserve drum, so need the stranding machine to shut down and change new drum, thereby reduced stranding machine's work efficiency.

Disclosure of Invention

The invention aims to provide a conductor and a cable, which aim to solve the problems that if the cable is excessively twisted, concentricity of a copper wire and a steel wire cannot be ensured, and electric field, stress, insulation performance and the like of the cable are affected when the cable in the prior art is used.

The present invention aims to solve at least one of the technical problems in the related art to some extent.

To this end, an embodiment of the present invention proposes a conductor including a reinforcing core and a conductive portion disposed outside the reinforcing core, the reinforcing core being made by helically twisting at least two reinforcing ropes together; the conductive part comprises at least two wires, all the wires are helically stranded outside the reinforcing core, and all the wires are braided.

A cable includes a conductor, an insulation layer is disposed on an exterior of the conductor, and an outer jacket is disposed on an exterior of the insulation layer.

The twisting equipment comprises a conical sleeve, a sliding frame and a lifting unit, wherein the conical sleeve is vertically arranged, the lower part of the conical sleeve is connected with a fixing ring, and the fixing ring is divided into a plurality of sections of supporting rods; the two sliding frames are arranged in a downward inclined mode, a wire reel is arranged between the two sliding frames, the reinforcing ropes in the embodiment are wound on the wire reel, a sliding rail used for sliding the wire reel along the length direction of the sliding frames is formed between the two sliding frames, and the sliding frames are provided with a feeding hole and a discharging hole; the lifting unit is arranged below the conical sleeve to drive the coil disc positioned at the lower end of the sliding frame to move to the upper end of the sliding frame, so that replacement of the two coil discs is realized.

The invention further adopts the technical scheme that: the inside of slide frame has the sliding chamber, the upper end of sliding chamber is provided with the semi-gear of connection on the bracing piece, the semi-gear has the gear relative one side to be connected with the arch of coil of wire dish contact, set up the constant head tank that corresponds with coil of wire dish installation axle on the arch, the bottom sliding connection of sliding chamber has the pinion rack with semi-gear engagement, the lower extreme of sliding chamber is provided with the roof-rack, be connected with the articulated pole between one side lower extreme and the roof-rack of pinion rack orientation, the inside of sliding chamber is provided with be used for right the inside top of slide frame is provided with the deflector of slope arrangement, form the discharge gate that is used for the coil of wire dish roll-off after using between sliding chamber and the deflector.

The invention further adopts the technical scheme that: the lifting unit comprises a lifting ring, and a telescopic rod connected with the top frame is arranged between the sliding frame and the lifting ring so as to automatically adjust the length of the telescopic rod according to the distance between the sliding frame and the lifting ring.

The invention further adopts the technical scheme that: the lifting unit comprises a counterweight unit arranged inside the conical sleeve and a driving unit arranged above the counterweight unit and connected to the conical sleeve, wherein the counterweight unit, the driving unit and the sliding frame are matched to realize that the pulling force of the coil conductor wire pushes the new coil to the upper part of the sliding cavity.

The invention further adopts the technical scheme that: the counterweight unit comprises a bottom plate connected in the conical sleeve, at least two guide posts are fixedly connected to the bottom plate, the guide posts are arranged along the axial direction of the conical sleeve, the sliding frame is provided with a pull rope penetrating through the conical sleeve, and the guide posts are provided with a counterweight block connected with the pull rope in a sliding mode.

The invention further adopts the technical scheme that: the drive unit includes first pole and the second pole of connecting on the toper sleeve along toper sleeve thickness direction respectively, the one end that first pole is close to the toper sleeve is connected with the speed reducer of installing on the toper sleeve inner wall, one side of speed reducer is connected with the line wheel, the last long line of line wheel is connected with the balancing weight, the second pole slides on the toper sleeve, all connect the rotation wheel that is located the toper sleeve outside on first pole and the second pole, conductor on the reel is located between two rotation wheels, the both ends of first pole and second pole are overlapped respectively and are equipped with fixed cover, are connected with extrusion spring between the fixed cover on first pole and the second pole to realize that two rotation wheels press from both sides the conductor tightly.

The invention further adopts the technical scheme that: the counterweight unit is characterized by further comprising a guide rod connected to the middle of the bottom plate, a round tube is sleeved on the guide rod, a compression spring sleeved on the guide rod is arranged between the round tube and the bottom plate, the upper end of the round tube is connected with a jacking unit, and the jacking unit is used for separating a plurality of driving units from conductors so as to realize simultaneous replacement of a plurality of coil groups.

The invention further adopts the technical scheme that: the jack-up unit is including sliding the swivel becket on the toper sleeve inner wall and connecting the ring in the pipe upper end, swivel becket and ring one side in opposite directions are connected with corresponding fixture block and kicking block respectively, the fixture block is located the kicking block top, be provided with the extrusion piece that is located between first pole and the second pole on the swivel becket to realize fixture block and kicking block dislocation after making the swivel becket rotate, make the kicking block jack-up the extrusion piece, make the second pole remove the clamp to the cable core.

The beneficial effects are that:

1. the outside at the enhancement core of transposition that is the braiding through setting up all wires can improve the tensile strength of conductor, makes electrically conductive part keep concentric with the enhancement core, avoids influencing electric field, atress, insulating properties etc. of cable, and then avoids influencing the safety in utilization of cable, through setting up the hot melt adhesive at the conductor surface, can increase the compactness of conductor and insulating layer, improves the anti deformation effect.

2. The vertical stranding machine that sets up makes the wire upwards twist, upwards take out from conductor toper sleeve surface, evenly distributed a plurality of line reels around the toper sleeve, the below corresponds the position and is distributed reserve line reel, the wire coil wire through lifting ring and telescopic link's effect after having twisted the top holds in the palm reserve line reel along the slip chamber upwards promote, simultaneously at rack and the rack meshing of top drum, the drum that the rack used up is from the slip frame internal slip, continue to upwards lift reserve line reel this moment, lift reserve line reel to the rack, pull the rack when the lifting ring returns, reset the rack, accomplish the drum and change.

3. The cooperation between counter weight unit and the drive unit has replaced the cooperation between lift ring and the telescopic link, is used for rotating the wheel with ascending pulling force of conductor at the in-process of stranded conductor, will rotate the wheel and drive the line wheel rotation on the reducing gear box, accomplishes the power of holding in the pivoted in-process of line wheel, lifts the balancing weight to certain height, and when the line reel used up, the balancing weight downward movement utilizes gravity to pull up reserve line reel, accomplishes the change.

4. Can realize after one of them reel hank has been accomplished through jack-up unit, can separate all rotation wheels, can let the counter weight remove downwards, drive a plurality of reels and change simultaneously under the effect of balancing weight, avoid needing the intermittent type nature to change a plurality of reels, influence the regularity of cable core.

Drawings

Fig. 1 is a schematic structural diagram of a conventional conductor in the present invention.

Fig. 2 is a schematic structural view of an embodiment of a conductor in the present invention.

Fig. 3 is a schematic structural view of an embodiment of the cable according to the present invention.

Fig. 4 is a cross-sectional view of an embodiment of a cable in the present invention.

Fig. 5 is a schematic view of the structure of the reinforcing core and insulation of an embodiment of the cable of the present invention.

Fig. 6 is a schematic structural view of another embodiment of an insulating layer of an embodiment of a cable in the present invention.

Fig. 7 is a schematic view of an embodiment of the cable stranding apparatus configuration of the present invention.

Fig. 8 is a schematic view of the carriage structure of fig. 7 in accordance with the present invention.

Fig. 9 is a second schematic view of an embodiment of the cable stranding apparatus configuration of the present invention.

Fig. 10 is a schematic view of the internal structure of the carriage of fig. 9 according to the present invention.

Fig. 11 is a schematic diagram of a side view of the carriage of fig. 9 in accordance with the present invention.

Fig. 12 is a schematic top view of the drive unit structure of fig. 9 in accordance with the present invention.

Fig. 13 is a schematic illustration of a third embodiment of the cable stranding apparatus configuration of the present invention.

Fig. 14 is a schematic view of the jack-up unit structure of fig. 13 according to the present invention. .

Fig. 15 is a partial top view of the jack-up unit structure of fig. 13 in accordance with the present invention.

Fig. 16 is a schematic view of an enlarged structure at a in fig. 13 according to the present invention.

Reference numerals:

10. a reinforcing core; 11. reinforcing ropes; 20. a conductive portion; 21. a wire; 30. an insulating layer; 40. a hot melt adhesive; 50. an outer protective layer; 1. a conical sleeve; 101. an upper guide ring; 102. a lower guide ring; 13. a guide rod; 2. a fixing ring; 3. a carriage; 4. a lifting ring; 5. a telescopic rod; 6. a spool; 7. a counterweight unit; 8. a driving unit; 9. a jack-up unit; 31. a sliding chamber; 32. a half gear; 33. a protrusion; 331. a positioning groove; 34. a guide plate; 35. a feed inlet; 351. a support plate; 36. a toothed plate; 37. a slideway; 51. a top frame; 511. a mounting groove; 52. a hinge rod; 53. a positioning rod; 54. a pull rope; 541. a counterweight ring; 71. a bottom plate; 73. a guide post; 74. balancing weight; 75. a guide rod; 76. a round tube; 77. a compression spring; 81. a first lever; 82. a second lever; 821. a poking plate; 83. a speed reducer; 831. a wire wheel; 84. a rotating wheel; 85. a fixed sleeve; 86. extruding a spring; 91. a rotating ring; 92. a circular ring; 93. extruding a block; 94. a sliding sleeve; 95. a first mounting plate; 911. a clamping block; 912. a drive plate; 921. a top block; 96. a second mounting plate; 961. a connecting rod; 962. and a return spring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

Referring to fig. 2, an embodiment of a conductor according to the present invention includes a reinforcing core 10, wherein the reinforcing core 10 can increase the tensile strength of the conductor, the reinforcing core 10 is made by helically twisting at least two reinforcing ropes 11 together, a conductive portion 20 is disposed on the outer portion of the reinforcing core 10 for conducting the conductor, so as to satisfy the use function, the conductive portion 20 includes at least two wires 21 helically twisted on the outer portion of the reinforcing core 10, all the wires 21 are twisted on the outer portion of the reinforcing core 10 in a braiding shape for wrapping the reinforcing core 10, and the tensile strength of the reinforcing core 10 is greater than the tensile strength of the conductive portion 20, so that the reinforcing core 10 can bear external tension, thereby avoiding the tensile damage of the conductive portion 20 and achieving the purpose of protecting the conductive portion 20.

In this embodiment, the reinforcing core 10 is made by helically twisting seven strands of reinforcing ropes 11, the reinforcing ropes 11 are made of steel, the strength of the steel is high, the strength of the reinforcing core 10 can be ensured, the conducting wires 21 are copper wires, the conductivity of the copper is high, and the conductivity of the conductive part 20 can be ensured; in other less preferred embodiments, the conductive wire 21 may be made of aluminum.

Through setting up the transposition that all wires 21 are the weaving form in the outside of strengthening the core 10, can strengthen the cladding constraint effect to strengthening the core 10, make electrically conductive portion 20 keep concentric with strengthening the core 10, avoid influencing electric field, atress, insulating properties etc. of cable, and then avoid influencing the safety in utilization of cable.

Referring to fig. 3 to 5, an embodiment of a cable according to the present invention includes at least one conductor as described above, an insulating layer 30 is disposed on an outer portion of each conductor, in this embodiment, the insulating layer 30 is formed by extruding the conductor, the insulating wire is made of TPEE, in other embodiments, the insulating layer 30 may be made of ABS, PBT, PC or other insulating materials, a hot melt adhesive 40 is disposed on a surface of the conductor to increase tightness between the conductor and the insulating layer 30, eliminate a gap between the conductor and the insulating layer 30, and an outer protecting layer 50 is disposed on an outer portion of the insulating layer 30 to protect the conductor.

In this embodiment, the outer sheath 50 is made of TPE elastomer material, and the outer sheath 50 embeds all conductors and the insulating layer 30 therein, and the TPE elastomer is used as the material of the outer sheath 50, so as to ensure the wear resistance, elasticity, high strength, fatigue resistance and temperature resistance of the cable, and improve the protection effect on the conductors, and in other embodiments, the insulating layer 30 may be made of nitrile-butadiene composite elastomer or polyurethane elastomer; in this embodiment, the number of conductors is 10, and in other embodiments, the number of conductors may be 2, 3 or other numbers, and the number of conductors is not limited in this embodiment.

Referring to fig. 6, there is shown another embodiment of an insulation layer 30 of a cable according to the present invention, in which the insulation layer 30 is formed by helically twisting at least two insulation wires on a conductor.

Referring to fig. 7 and 8, there is shown a first embodiment of a stranding apparatus of the present invention: including the toper sleeve 1 of vertical setting and set up the hoisting unit in toper sleeve 1 below, the upper portion and the lower part of toper sleeve 1 are connected with guide ring 101 and lower guide ring 102 respectively, can lead the direction of wire (wire is reinforcing rope 11 in the embodiment) to reduce the angle of buckling of wire, reduce the friction between wire and the guide ring, the below of lower guide ring 102 is provided with the solid fixed ring 2 of connection on toper sleeve 1, gu fixed ring 2 divide into multistage bracing piece, adjacent two bracing piece one end all are connected with carriage 3, carriage 3 downward sloping sets up, be provided with wire reel 6 between two carriages 3, form the gliding slide rail of being used for wire reel 6 along carriage 3 length direction between two carriages 3.

The lifting unit comprises a lifting ring 4, a telescopic rod 5 is arranged between the sliding frame 3 and the lifting ring 4, one end of the telescopic rod 5, which is close to the sliding frame 3, is fixedly connected with a top frame 51 positioned in the sliding frame 3 and is in contact with the wire reel 6, in detail, one side, facing the wire reel 6, of the top frame 51 is provided with a mounting groove 511 for supporting the wire reel 6, the wire reel 6 is convenient to mount, the top frame 51 is a U-shaped frame, and two ends of the wire reel 6 are supported. Through lifting ring 4 upwards moving, lifting ring 4 passes through telescopic link 5 and roof-rack 51 with coil of wire dish 6 to the top of carriage 3 to realize the automatic replacement of coil of wire 6.

As shown in fig. 8, the sliding frame 3 has a sliding cavity 31 inside, a half gear 32 connected to the supporting rod is provided at the upper end of the sliding cavity 31, a protrusion 33 contacting the spool 6 is connected to the opposite side of the half gear 32 having the gear, specifically, a positioning groove 331 corresponding to the mounting shaft of the spool 6 is provided on the protrusion 33. The bottom sliding connection of sliding chamber 31 has the pinion rack 36 with the meshing of half gear 32, is connected with articulated pole 52 between pinion rack 36 and the roof-rack 51 towards the one side lower extreme of roof-rack 51, and in detail, the export that corresponds with pinion rack 36 has been seted up to the upper end of sliding chamber 31, and the inside of sliding chamber 31 is provided with the deflector 34 that is used for being provided with the slope to the inside top of carriage 3, articulates between the lower extreme of deflector 34 and carriage 3, is formed with the discharge gate that is used for the reel 6 roll-off after using between sliding chamber 31 and the deflector 34.

Specifically, a groove is formed between the discharge port and the guide plate 34, and the slide-out wire reel 6 can be caught. The below of discharge gate is provided with feed inlet 35, and the below of feed inlet 35 is provided with backup pad 351, and the accurate follow feed inlet 35 of spool 6 of being convenient for enters into in the sliding chamber 31. After the coil disc 6 above the sliding frame 3 is used, a new coil disc 6 enters the sliding cavity 31 from the feeding hole 35 to be in contact with the top frame 51, and the new coil disc 6 slides out from the discharging hole in the upward moving process of the sliding cavity 31, so that the new coil disc 6 can be conveniently used continuously.

The working principle of the invention is as follows:

the wire reel 6 is placed in the sliding cavity 31 from the feeding hole 35, the wire reel 6 slides into the mounting groove 511 on the top frame 51, the lifting ring 4 is controlled to lift, the lifting ring 4 drives the top frame 51 to move upwards through the telescopic rod 5, the telescopic rod 5 can automatically adjust the length according to the distance between the lifting ring 4 and the sliding frame 3, the top frame 51 drives the toothed plate 36 to move upwards through the hinging rod 52, the toothed plate 36 drives the protrusion 33 on the half gear 32 to rotate, the positioning groove 331 on the protrusion 33 is opened downwards, at the moment, the toothed plate 36 continues to move upwards, the toothed plate 36 is meshed with the half gear 32 to be in intermittent contact, the wire reel 6 is contacted with the guide plate 34 while the sliding cavity 31 is upwards, the guide plate 34 is rotated, the movement of the wire reel 6 is prevented, then the wire reel 6 is pushed into the positioning groove 331, the lifting ring 4 moves downwards, the toothed plate 36 moves downwards to drive the half gear 32 to rotate, the positioning groove 331 on the protrusion 33 is slowly arranged upwards, the wire reel 6 is limited in the positioning groove 331 through the contact between the protrusion 33 and the inner wall of the sliding frame 3, the wire reel 6 is stretched upwards, and the wire reel is stretched to pass through the positioning groove 331, and the wire reel is stretched to be connected with the guide groove 101.

When the coil 6 above the sliding frame 3 is used, a new coil 6 is placed into the sliding cavity 31 from the feeding hole 35 and is positioned in the mounting groove 511 on the top frame 51, after the coil 6 above the sliding frame 3 is used, the lifting ring 4 is controlled to lift, the opening of the positioning groove 331 on the bulge 33 is downward, the opening corresponds to the discharging hole, the used coil 6 can be withdrawn from the discharging hole, the new coil 6 is conveniently pushed into the bulge 33, and continuous twisting of the wires is realized.

Referring to fig. 9, there is shown a second embodiment of a twisting apparatus of the present invention: the difference between this and the first embodiment is that: the lifting unit comprises a counterweight unit 7 arranged inside the conical sleeve 1 and a driving unit 8 arranged above the counterweight unit 7 and connected to the conical sleeve 1, the counterweight unit 7, the driving unit 8 and the sliding frame 3 are matched with each other to push the new coil 6 to the upper part of the sliding cavity 31 by using the tension of the conductor wire of the coil 6, so that the condition of pushing the coil 6 by electric power is replaced, and the energy-saving effect is realized.

Referring to fig. 10 and 11, the sliding chamber 31 has a top frame 51 sliding inside, the top frame 51 is arc, two symmetrically arranged slide ways 37 are provided on opposite sides of the two sliding frames 3, the slide ways 37 are provided along the length direction of the sliding frames 3, a positioning rod 53 connected with the top frame 51 is connected inside the slide ways 37, two positioning rods 53 are used for guaranteeing stable movement in the sliding chamber 31, one positioning rod 53 is connected with a pull rope 54 connected with the counterweight unit 7 through the conical sleeve 1, specifically, the conical sleeve 1 is connected with a guide rod 13 corresponding to the pull rope 54, and the pull rope 54 passes through the guide rod 13 to reduce friction between the pull rope 54 and the conical sleeve 1. The pull rope 54 is connected with a weight ring 541 positioned in the conical sleeve 1, so that the pull rope 54 has tension all the time, and confusion after the pull rope 54 is loosened is avoided.

Referring to fig. 9, the counterweight unit 7 includes a bottom plate 71 connected in the conical sleeve 1, at least two guide posts 73 are fixedly connected to the bottom plate 71, the guide posts 73 are disposed along the axial direction of the conical sleeve 1, in this embodiment, four guide posts 73, and a counterweight 74 connected to the pull rope 54 slides on the guide posts 73.

Referring to fig. 9 and 12, the driving unit 8 includes a first rod 81 and a second rod 82 connected to the tapered sleeve 1 in the thickness direction of the tapered sleeve 1, respectively, one end of the first rod 81 near the tapered sleeve 1 is connected with a speed reducer 83 mounted on the inner wall of the tapered sleeve 1, both the first rod 81 and the second rod 82 are connected with rotating wheels 84 located outside the tapered sleeve 1, and the conductor on the wire reel 6 is located between the two rotating wheels 84. Specifically, the second rod 82 slides on the tapered sleeve 1, the second rod 82 moves along the radial direction of the tapered sleeve 1, the two ends of the first rod 81 and the second rod 82 are respectively sleeved with a fixed sleeve 85, and an extrusion spring 86 is connected between the fixed sleeves 85 on the first rod 81 and the second rod 82 so as to clamp the wire by the two rotating wheels 84. One side of the speed reducer 83 is connected with a wire wheel 831, and a long wire on the wire wheel 831 is connected with the balancing weight 74 to realize that the conductor drives the wire wheel 831 on the speed reducer 83 on the first rod 81 to rotate in the upward movement process. In detail, a wire is placed between two rotating wheels 84, under the action of an extrusion spring 86, the two rotating wheels 84 clamp the wire, the wire moves up between the two rotating wheels 84 to drive the rotating wheels 84 to rotate, the rotating wheels 84 drive a wire wheel 831 on a speed reducer 83 to rotate, a long wire on the wire wheel 831 drives the weight 74 to slide along the direction of a guide post 73, when the weight 74 moves to the highest position of the guide post 73, the speed reducer 83 is in a static state, at the moment, a top frame 51 is positioned at the lower end of a sliding cavity 31, after the wire on a single wire reel 6 runs out, the acting force of the wire on the rotating wheels 84 disappears, the weight 74 is in a pulling state due to the fact that the reinforcing ropes 11 on other wire reels 6 are not used up, after at least half of the reinforcing ropes 11 on the wire reels 6 are used up, the weight 74 moves down downwards on the guide post 73 by means of dead weight, the wire wheel 831 on the speed reducer 83, and meanwhile, the pull rope 54 on the weight 74 drives the top frame 51 to push a new wire reel 6 to the top of the sliding cavity 31 by means of a positioning rod 53, the acting force on the wire reel 6 is replaced by the positioning rod 53, the two wire reels are replaced by the lifting rings 6, and the requirement of the two wire reels are replaced by the lifting rods 6 are replaced by the lifting power, and the lifting force of the wire reel 6 is replaced by the lifting device is replaced by the lifting force of a synchronous reel 6.

Referring to fig. 13, there is shown a third embodiment of a stranding apparatus of the present invention: the difference between this and the second embodiment is that: the counterweight unit 7 further comprises a guide rod 75 connected to the middle of the bottom plate 71, a round tube 76 is sleeved on the guide rod 75, a compression spring 77 sleeved on the guide rod 75 is arranged between the round tube 76 and the bottom plate 71, the upper end of the round tube 76 is connected with a jacking unit 9, after one coil 6 is used up, the second rod 82 approaches the first rod 81, so that the second rod 82 drives the jacking unit 9 to act to separate a plurality of driving units 8 from a lead, and the coil 6 can be replaced simultaneously.

Referring to fig. 14 and 15, the jacking unit 9 includes a rotating ring 91 sliding on the inner wall of the conical sleeve 1 and a circular ring 92 connected to the upper end of the circular tube 76, wherein opposite sides of the rotating ring 91 and the circular ring 92 are respectively connected with a corresponding clamping block 911 and a jacking block 921, the clamping block 911 is located above the jacking block 921, a sliding sleeve 94 is connected to the rotating ring 91, an extrusion block 93 located between the first rod 81 and the second rod 82 is slid in the sliding sleeve 94, a compression spring is arranged between the extrusion block 93 and the sliding sleeve 94, in detail, the extrusion block 93 is a triangular block so as to drive the second rod 82 to move, and the extrusion block 93 and the clamping block 911 are staggered so that the jacking block 921 on the circular ring 92 jacks up the extrusion block 93 after the rotating ring 91 rotates.

The inner wall of the conical sleeve 1 is connected with a plurality of second mounting plates 96, the outer side of the rotating ring 91 is connected with a first mounting plate 95 corresponding to the second mounting plates 96, one side, facing the first mounting plate 95, of the second mounting plate 96 is connected with a connecting rod 961, the connecting rod 961 is connected with a return spring 962, the first mounting plate 95 slides on the connecting rod 961 and is connected with the return spring 962, the connecting rod 961 can limit the position of the first mounting plate 95, the rotating ring 91 is arranged on the inner wall of the conical sleeve 1 in a rotating mode, and the return spring 962 can enable the rotating ring 91 to automatically return after rotating.

Referring to fig. 16, a driving plate 912 connected to the rotating ring 91 is disposed on one side of the sliding sleeve 94, a pulling plate 821 matched with the driving plate 912 is connected to the second rod 82 of the first mounting plate 95, so that after the wires are separated from the two rotating wheels 84, the pulling plate 821 on the second rod 82 drives the clamping block 911 on the rotating ring 91 and the top block 921 on the ring 92 to be dislocated through the driving plate 912, the ring 92 on the circular tube 76 is lifted up through the compression spring 77, the top block 921 on the ring 92 drives the extrusion block 93 to move upwards, the second rod 82 is driven to move, the plurality of driving units 8 are separated from the conductors, and the plurality of wire reels 6 are driven to be replaced simultaneously under the action of the balancing weights 74.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (10)

1. A conductor, comprising:

a reinforcing core (10), wherein the reinforcing core (10) is formed by helically twisting at least two reinforcing ropes (11);

and a conductive part (20) arranged outside the reinforced core (10) for conducting electricity of the conductor, wherein the conductive part (20) comprises at least two wires (21), all the wires (21) are helically stranded outside the reinforced core (10), and all the wires (21) are braided.

2. A cable, characterized in that: a conductor comprising the method of claim 1, the conductor being provided externally with an insulating layer (30), the insulating layer (30) being provided externally with an outer sheath (50).

3. A stranding apparatus, comprising:

the conical sleeve (1), the conical sleeve (1) is vertically arranged, the lower part of the conical sleeve (1) is connected with a fixed ring (2), and the fixed ring (2) is divided into a plurality of sections of support rods;

the device comprises a sliding frame (3), wherein the sliding frame (3) is connected to a supporting rod, the sliding frame (3) is arranged in a downward inclined mode, two sliding frames (3) are provided with two wire reels (6), a reinforcing rope (11) as set forth in claim 1 is wound on each wire reel (6), sliding rails used for sliding the wire reels (6) along the length direction of the sliding frame (3) are formed between the two sliding frames (3), and a feed inlet (35) and a discharge outlet are formed in the sliding frame (3);

the lifting unit is arranged below the conical sleeve (1) to drive the coil disc (6) positioned at the lower end of the sliding frame (3) to move to the upper end of the sliding frame (3), so that replacement of the two coil discs (6) is realized.

4. A twisting device according to claim 3, characterized in that the interior of the sliding frame (3) is provided with a sliding cavity (31), the upper end of the sliding cavity (31) is provided with a half gear (32) connected on the supporting rod, one side of the half gear (32) opposite to the gear is connected with a protrusion (33) contacted with the wire reel (6), the protrusion (33) is provided with a positioning groove (331) corresponding to the mounting shaft of the wire reel (6), the bottom of the sliding cavity (31) is slidably connected with a toothed plate (36) meshed with the half gear (32), the lower end of the sliding cavity (31) is provided with a top frame (51), a hinging rod (52) is connected between the lower end of one side of the toothed plate (36) facing the top frame (51) and the top frame (51), the interior of the sliding cavity (31) is provided with a guide plate (34) obliquely arranged above the interior of the sliding frame (3), and a discharge outlet for the wire reel (6) after being used is formed between the sliding cavity (31) and the guide plate (34).

5. Stranding device according to claim 4, characterized in that the lifting unit comprises a lifting ring (4), a telescopic rod (5) connected to the top frame (51) being arranged between the carriage (3) and the lifting ring (4) to achieve an automatic adjustment of the length of the telescopic rod (5) depending on the distance between the carriage (3) and the lifting ring (4).

6. A twisting device according to claim 3, characterized in that the lifting unit comprises a weight unit (7) arranged inside the conical sleeve (1) and a driving unit (8) arranged above the weight unit (7) and connected to the conical sleeve (1), wherein the weight unit (7), the driving unit (8) and the sliding frame (3) are cooperatively arranged to realize that the pulling force of the conductor wire of the wire reel (6) pushes the new wire reel (6) to the upper part of the sliding cavity (31).

7. Stranding device according to claim 6, characterized in that the counterweight unit (7) comprises a bottom plate (71) connected in the conical sleeve (1), at least two guide posts (73) are fixedly connected to the bottom plate (71), the guide posts (73) are arranged along the axial direction of the conical sleeve (1), the sliding frame (3) is provided with a pull rope (54) penetrating the conical sleeve (1), and a counterweight (74) connected with the pull rope (54) is slid on the guide posts (73).

8. The stranding equipment according to claim 7, wherein the driving unit (8) comprises a first rod (81) and a second rod (82) which are respectively connected to the conical sleeve (1) along the thickness direction of the conical sleeve (1), one end of the first rod (81) close to the conical sleeve (1) is connected with a speed reducer (83) installed on the inner wall of the conical sleeve (1), one side of the speed reducer (83) is connected with a wire wheel (831), a long wire on the wire wheel (831) is connected with the balancing weight (74), the second rod (82) slides on the conical sleeve (1), rotating wheels (84) positioned outside the conical sleeve (1) are respectively connected to the first rod (81) and the second rod (82), a conductor on the wire reel (6) is positioned between the two rotating wheels (84), two ends of the first rod (81) and the second rod (82) are respectively sleeved with a fixed sleeve (85), and two fixed sleeves (86) on the first rod (81) and the second rod (82) are respectively connected with a fixed sleeve (85) to the two rotating wheels (84) to realize the clamping of the conductor.

9. The stranding equipment according to claim 7, wherein the weight unit (7) further comprises a guide rod (75) connected to the middle of the bottom plate (71), a round tube (76) is sleeved on the guide rod (75), a compression spring (77) sleeved on the guide rod (75) is arranged between the round tube (76) and the bottom plate (71), the upper end of the round tube (76) is connected with a jacking unit (9), and the jacking unit (9) is used for separating the plurality of driving units (8) from the conductors so as to realize simultaneous replacement of the plurality of coil groups (6).

10. The stranding equipment according to claim 9, wherein the jacking unit (9) comprises a rotating ring (91) sliding on the inner wall of the conical sleeve (1) and a circular ring (92) connected to the upper end of the circular tube (76), one opposite side of the rotating ring (91) and the circular ring (92) is respectively connected with a corresponding clamping block (911) and a jacking block (921), the clamping block (911) is located above the jacking block (921), and an extrusion block (93) located between the first rod (81) and the second rod (82) is arranged on the rotating ring (91) so that the clamping block (911) and the jacking block (921) are dislocated after the rotating ring (91) rotates, the jacking block (921) jacks the extrusion block (93), and the second rod (82) moves to release the clamping of the cable core.