CN114267494A - Aluminum alloy flexible photovoltaic cable stranding equipment and stranding method thereof - Google Patents
Aluminum alloy flexible photovoltaic cable stranding equipment and stranding method thereof Download PDFInfo
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- CN114267494A CN114267494A CN202111504673.7A CN202111504673A CN114267494A CN 114267494 A CN114267494 A CN 114267494A CN 202111504673 A CN202111504673 A CN 202111504673A CN 114267494 A CN114267494 A CN 114267494A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
- H01B13/0207—Details; Auxiliary devices
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Abstract
The invention discloses aluminum alloy flexible photovoltaic cable stranding equipment and a stranding method thereof, and belongs to the technical field of cable strands. A twisting device for an aluminum alloy flexible photovoltaic cable comprises a base, wherein a first support is arranged at the top of the base, a pay-off box is arranged on the outer wall of the first support, two inner cores extend outwards from the pay-off box, a second support is arranged on the outer wall of the base, a sleeve is fixedly connected to the outer wall of the second support, the inner cores are movably connected in the sleeve, a fastening assembly is movably connected to the outer wall of the sleeve, a third support is arranged on the outer wall of the base, a twisting mechanism is arranged in the third support, a driving assembly for driving the twisting mechanism to work is further arranged on the outer wall of the base, a fourth support is arranged on the outer wall of the base, and a mold frame is arranged in the fourth support; according to the invention, the cable conductor is more firm and compact in twisting and not easy to scatter through the fastening assembly, so that the inner core of the cable conductor is not easy to move when the cable is bent, the whole structure is more stable, and the finished product qualification rate of the cable is improved.
Description
Technical Field
The invention relates to the technical field of cable strands, in particular to aluminum alloy flexible photovoltaic cable stranding equipment and a stranding method thereof.
Background
The wire and cable product is widely applied to various departments of national economy, provides important supporting support for various industries, national defense construction, major construction projects and the like, and is a basic guarantee for normal operation of modern economy and society. With the rapid development of national economy, the using amount and the application range of the cable used as the main artery of the national economy are larger and larger.
The PVH1-F aluminum alloy flexible photovoltaic cable is a special cable used in a solar power generation system, is mainly suitable for a direct-current voltage end, a leading-out connection of power generation equipment and a converging connection between assemblies, is a photovoltaic power generation equipment system with the highest voltage of DC1.8KV, has the characteristics of weather resistance, cold resistance, high temperature resistance, friction resistance, ultraviolet resistance, ozone resistance and the like, and has the service life of at least 25 years.
The PVH1-F aluminum alloy flexible photovoltaic cable product technology is mainly embodied in excellent low-temperature resistance, the cable is made of traditional high-cost copper materials, the resistivity of aluminum alloy is between that of aluminum and copper, the resistivity of aluminum alloy is higher than that of copper and is slightly lower than that of aluminum, and the weight of an aluminum alloy conductor with the same length is only half of that of copper on the premise of the same current-carrying capacity.
Research shows that when the sectional area of the aluminum alloy conductor is 1.5 times of that of copper, the aluminum alloy cable and the copper cable have the same conductive capacity, and the same current-carrying capacity, resistance and line loss are realized; that is, the diameter of the cable core of the aluminum alloy flexible photovoltaic cable is larger than the diameter of the copper cable. In the normal production and use process, the cable core of the large-diameter cable is not an integral cable core with a larger diameter but formed by twisting a plurality of wires due to the limitations of materials, processes and the like. The cable conductor is generally formed by twisting a core wire positioned in the middle and a plurality of layers of metal stranded wires wrapped outside the core wire. Some cables only need a plurality of wires to be twisted once, and some cables need a plurality of wires to be twisted for a plurality of times.
Current cable inner core transposition mode is mostly sending into the stranding machine behind passing through single component drum with the multiunit single strand electric wire and carrying out the transposition molding, and the cable conductor inner core that forms through this mode transposition is whole comparatively loose, and the transposition is inseparable, and finished product quality is poor, influences the power consumption safety in later stage.
Disclosure of Invention
The invention aims to solve the problem of untight stranding of cables in the prior art, and provides aluminum alloy flexible photovoltaic cable stranding equipment and a stranding method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a flexible photovoltaic cable transposition equipment of aluminum alloy, includes the base, the top of base is provided with first support, first support outer wall is provided with the unwrapping wire case, the unwrapping wire case outwards extends there are two inner cores, the base outer wall is provided with the second support, second support outer wall fixedly connected with sleeve pipe, inner core swing joint is intraductal at the cover, sleeve pipe outer wall swing joint has fastening component, the base outer wall is provided with the third support, be provided with stranding mechanism in the third support, the base outer wall still is provided with the drive assembly who is used for driving stranding mechanism work, the base outer wall is provided with the fourth support, be provided with the die carrier in the fourth support.
Preferably, the stranding mechanism includes the cavity pivot, the cavity pivot is rotated and is connected in the third support, cavity pivot outer wall is provided with the drawing drum, the drawing drum outer wall is provided with a plurality of unwrapping wire roller subassemblies that are the circumference and distribute, the unwrapping wire roller subassembly includes the support frame and sets up the unwrapping wire roll body at the support frame tip, the axis direction parallel arrangement of unwrapping wire roll body and cavity pivot.
Preferably, the wire twisting mechanism further comprises a first guide disc and a second guide disc which are fixedly arranged on the outer wall of the hollow rotating shaft, guide holes are formed in the outer walls of the first guide disc and the second guide disc, and the guide holes of the first guide disc and the second guide disc are respectively in one-to-one correspondence with the wire releasing roller bodies.
Preferably, the drive assembly includes the driving motor who sets firmly on the base, driving motor's output is connected with the drive shaft, the one end that driving motor was kept away from to the drive shaft is passed through the bearing and is rotated the connection on the third support, the drive shaft outer wall is connected with first gear, cavity pivot outer wall is connected with the second gear with first gear intermeshing.
Preferably, the fastening assembly comprises a plurality of fastening blocks, the fastening blocks are movably connected between the two sleeves, clamping assemblies are movably connected to two sides of the outer wall of each fastening block, and the clamping assemblies are slidably connected to the outer wall of each sleeve.
Preferably, two be connected with the fixed block between the sleeve pipe, fixed block outer wall connection has first elastic element, the one end that fixed block was kept away from to first elastic element is connected with the push pedal, the push pedal offsets with the fastening block activity, the fixed block internal rotation is connected with the dwang, dwang outer wall connection has driven bevel gear, drive shaft outer wall connection has the drive bevel gear with driven bevel gear intermeshing, dwang outer wall connection has first even board, first even board outer wall rotates and is connected with the second even board, the second even board is kept away from the one end rotation of first even board and is connected with L shape movable plate, L shape movable plate offsets with the fastening block activity.
Preferably, the clamping assembly comprises a fixed rod, a movable groove matched with the fixed rod is formed in the outer wall of the fastening block, two movable blocks are connected to the outer wall of the fixed rod in a sliding mode, a second elastic element is sleeved on the outer wall of the fixed rod, two ends of the second elastic element are connected with the inner wall of the movable groove and the movable blocks respectively, the outer walls of the two movable blocks are connected with arc-shaped clamping plates, and the inner core is movably connected between the two arc-shaped clamping plates.
Preferably, the fastening block inner wall sliding connection has two atress pieces, the atress piece offsets with the die carrier activity, two be connected with third elastic element between the atress piece, the outer wall of atress piece is opened and is dug there is first recess, first recess inner wall is connected with fourth elastic element, the one end that first recess inner wall was kept away from to fourth elastic element is connected with the fixture block, still sliding connection has two movable blocks in the fastening block, the movable block outer wall is opened and is dug there is the second recess with fixture block matched with.
Preferably, the outer wall of the movable block is connected with sliding blocks on two sides, sliding grooves matched with the sliding blocks are formed in the fastening blocks in a chiseling mode, and fifth elastic elements are connected between the inner walls of the sliding grooves and the sliding blocks.
The invention also discloses a stranding method of the aluminum alloy flexible photovoltaic cable stranding equipment, which comprises the following steps:
s1: when cable stranding is needed, firstly, manually drawing out two groups of cable cores from a pay-off box, enabling the two groups of cable cores to sequentially penetrate through a sleeve, a stranding mechanism and a die carrier and finally fixing the two groups of cable cores on a take-up mechanism, then sleeving a plurality of cable sleeves on a pay-off roller body, enabling the cables to penetrate through guide holes of a first guide disc and a second guide disc, and enabling the cables to strand the outer sides of the two groups of cable cores;
s2: when the device works, the driving mechanism is controlled to operate, the driving motor works, the output end of the driving motor drives the first gear to rotate through the driving shaft, the first gear is meshed with the second gear on the outer side of the hollow rotating shaft, the hollow rotating shaft rotates in the third support, the cable wire placed on each layer of the paying-off roller body is twisted on the inner core when the hollow rotating shaft rotates, the distance from the guide hole on the first guide disc to the central axis of the hollow rotating shaft is larger than the distance from the guide hole on the second guide disc to the central axis of the hollow rotating shaft, therefore, the cable wire coming down from the paying-off roller body gradually gathers to the outer surface of the inner core in the hollow rotating shaft, the bending degree of the cable wire in the twisting process is reduced, and the cable wire is prevented from being broken at the bending position due to overlarge stress in the twisting process;
s3: when the driving wire stranding mechanism works, a driving bevel gear on the outer side of a driving shaft is meshed with a driven bevel gear on the outer side of a rotating rod, so that the driven bevel gear drives the rotating rod to rotate, the rotating rod drives a first connecting plate and a second connecting plate to do connecting rod motion, an L-shaped moving plate is made to reciprocate in a hollow rotating shaft, when the L-shaped moving plate moves rightwards, a fastening block on the rightmost side moves rightmost under the action of a first elastic element, an arc-shaped clamping plate is made to be far away from a sleeve and clamp two inner cores, the fastening block moves towards a die carrier along with the movement of the inner cores, the end part of the fastening block and a stressed block are both arranged into an arc shape, a cable can conveniently and quickly cross the fastening block when the two inner cores are twisted, when the L-shaped moving plate moves leftwards, the L-shaped moving plate can limit a second fastening block which is moved rightmost by the first elastic element, and the inner cores are prevented from starting to clamp and move;
s4: when a cable wire on the pay-off mechanism is twisted with two inner cores and moves to the die carrier, the stress block is abutted against the die carrier, the stress block is stressed to enter the fastening block, the third elastic element is compressed, the stress block applies force to the movable block, the movable block moves towards the outer side of the fastening block, and then the cable twisted outside the fastening block is extruded by the movable block, when the stress block moves to a certain degree, the clamping block in the first groove enters the second groove under the elastic action of the fourth elastic element, the movable block is limited, and then the twisted part between two adjacent fastening blocks is tight, and the loose of the cable is avoided.
Compared with the prior art, the invention provides aluminum alloy flexible photovoltaic cable stranding equipment which has the following beneficial effects:
1. this flexible photovoltaic cable transposition equipment of aluminum alloy through control actuating mechanism, makes actuating mechanism drive stranding mechanism and twists the inner core, and at this in-process, makes fastening component expand the cable conductor after the transposition, makes more durable inseparable of cable conductor transposition, is difficult for scattering, makes the cable conductor inner core be difficult to the drunkenness when the cable is bent, and overall structure is more stable, improves the finished product qualification rate of cable.
2. This flexible photovoltaic cable of aluminum alloy transposition equipment is greater than the distance of bullport to cavity pivot the central axis on the second guide dish through making the distance of bullport to cavity pivot the central axis on the first guide dish for the cable conductor that gets off from the unwrapping wire roll body gathers together to the inner core surface in the cavity pivot gradually, reduces the degree of buckling of the transposition in-process of cable conductor, avoids the cable conductor to be in the in-process of transposition because of the too big fracture of department of buckling of atress.
3. According to the aluminum alloy flexible photovoltaic cable stranding equipment, the driven bevel gear drives the rotating rod to rotate through the mutual meshing of the driving bevel gear on the outer side of the driving shaft and the driven bevel gear on the outer side of the rotating rod, the rotating rod drives the first connecting plate and the second connecting plate to do connecting rod motion, the L-shaped moving plate is made to reciprocate in the hollow rotating shaft, when the L-shaped moving plate moves rightwards, the fastening block on the rightmost side moves rightwards under the action of the first elastic element, and the arc-shaped clamping plate is far away from the sleeve and starts to clamp the two inner cores, so that the fastening block moves to the die carrier along with the movement of the inner cores, the end parts of the fastening block and the stress block are both arranged into an arc shape, the cable can conveniently rapidly cross the fastening block when the two inner cores are twisted, when the L-shaped moving plate moves leftwards, the second fastening block which is moved rightwards by the first elastic element is limited, and the inner core is prevented from being clamped and moved.
4. This flexible photovoltaic cable of aluminum alloy transposition equipment, it offsets with the die carrier through the atress piece, make in the atress piece atress gets into the fastening piece, the compression of third elastic element, the atress piece is to the movable block effort, make the movable block move to the fastening piece outside, and then make the movable block extrude the cable after the fastening piece outside transposition, when the atress piece removes to a certain extent, the fixture block in the first recess gets into the second recess under fourth elastic element's elastic action, it is spacing to the movable block, and then it is inseparable to the transposition part between two adjacent fastening pieces, avoid it loose.
Drawings
Fig. 1 is a first structural schematic diagram of the present invention.
Fig. 2 is a second structural schematic diagram of the present invention.
Fig. 3 is a schematic structural view of a portion a in fig. 2 according to the present invention.
Fig. 4 is a schematic structural diagram of the wire twisting mechanism of the present invention.
Fig. 5 is a schematic view of the structure of the exterior of the bushing of the present invention.
Fig. 6 is a schematic structural view of the fastening assembly of the present invention.
Fig. 7 is a first cross-sectional view of the fastening block of the present invention.
Fig. 8 is a schematic view of the structure of the portion B of fig. 7 of the fastening block of the present invention.
FIG. 9 is a schematic cross-sectional view of the fastening block of the present invention.
Fig. 10 is a schematic view of the fastener assembly of the present invention in operation.
In the figure: 1. a base; 101. a first bracket; 102. a second bracket; 103. a third support; 104. a fourth bracket; 2. a wire releasing box; 3. a sleeve; 4. an inner core; 5. a mold frame; 6. a hollow rotating shaft; 7. a pay-off reel; 701. a support frame; 702. a paying-off roller body; 8. a first guide plate; 9. a second guide plate; 10. a guide hole; 11. a drive motor; 111. a drive shaft; 112. a first gear; 113. a second gear; 114. a drive bevel gear; 12. a fixed block; 121. rotating the rod; 122. a driven bevel gear; 123. a first connecting plate; 124. a second connecting plate; 125. an L-shaped moving plate; 13. a fastening block; 14. a first elastic element; 141. pushing the plate; 15. fixing the rod; 151. a movable groove; 152. a moving block; 153. a second elastic element; 154. an arc-shaped clamping plate; 16. a stress block; 161. a third elastic element; 162. a first groove; 163. a fourth elastic element; 164. a clamping block; 17. a movable block; 171. a second groove; 172. a slider; 18. a chute; 181. and a fifth elastic element.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, 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 particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1, fig. 2, fig. 3 and fig. 4, an aluminum alloy flexible photovoltaic cable stranding device, which comprises a base 1, a first support 101 is arranged at the top of the base 1, a wire unwinding box 2 is arranged on the outer wall of the first support 101, two inner cores 4 are outwards extended from the wire unwinding box 2, a second support 102 is arranged on the outer wall of the base 1, a sleeve 3 is fixedly connected to the outer wall of the second support 102, the inner cores 4 are movably connected in the sleeve 3, a fastening assembly is movably connected to the outer wall of the sleeve 3, a third support 103 is arranged on the outer wall of the base 1, a wire stranding mechanism is arranged in the third support 103, a driving assembly used for driving the wire stranding mechanism to work is further arranged on the outer wall of the base 1, a fourth support 104 is arranged on the outer wall of the base 1, and a die set 5 is arranged in the fourth support 104.
When cable stranding needs to be carried out, firstly, two groups of cable inner cores 4 are drawn out from the pay-off box 2 through manual work, the cable inner cores are made to sequentially penetrate through the sleeve 3, the stranding mechanism and the die carrier 5 and finally fixed on the take-up mechanism, then a plurality of cable barrels are sleeved on the pay-off roller body 702, cables are made to penetrate through the guide holes 10 of the first guide disc 8 and the second guide disc 9, the outer sides of the two groups of cable inner cores 4 are stranded, the driving mechanism is controlled to drive the stranding mechanism to strand the inner cores 4, in the process, the fastening assembly is made to expand the stranded cable conductors, the stranded cable conductors are firmer and tighter and are not easy to scatter, the cable inner cores 4 are made to be difficult to move when the cables are bent, the overall structure is more stable, and the finished product qualification rate of the cables is improved.
As a preferred technical scheme of the present invention, the wire twisting mechanism comprises a hollow rotating shaft 6, the hollow rotating shaft 6 is rotatably connected in the third support 103, the outer wall of the hollow rotating shaft 6 is provided with a pay-off reel 7, the outer wall of the pay-off reel 7 is provided with a plurality of circumferentially distributed pay-off roller assemblies, each pay-off roller assembly comprises a support frame 701 and a pay-off roller body 702 arranged at the end of the support frame 701, and the pay-off roller bodies 702 are arranged in parallel with the axial direction of the hollow rotating shaft 6; the hollow rotating shaft 6 rotates in the third support 103 under the action of the driving mechanism, and the cable wires placed on each layer of the paying-off roller body 702 are twisted on the inner core 4 when the hollow rotating shaft 6 rotates.
As a preferred technical scheme of the present invention, the wire twisting mechanism further includes a first guide disk 8 and a second guide disk 9 fixedly disposed on the outer wall of the hollow rotating shaft 6, guide holes 10 are respectively formed on the outer walls of the first guide disk 8 and the second guide disk 9, and the guide holes 10 of the first guide disk 8 and the second guide disk 9 are respectively disposed in one-to-one correspondence with the wire releasing roller 702; the distance from the guide hole 10 on the first guide disc 8 to the central axis of the hollow rotating shaft 6 is greater than the distance from the guide hole 10 on the second guide disc 9 to the central axis of the hollow rotating shaft 6, so that the cable coming down from the pay-off roller body 702 gradually gathers to the outer surface of the inner core 4 in the hollow rotating shaft 6, the bending degree of the cable in the twisting process is reduced, and the cable is prevented from being broken at the bending position due to excessive stress in the twisting process.
Example 2:
referring to fig. 1, 2, 3, 4, 5, 6, 9 and 10, a twisting apparatus for an aluminum alloy flexible photovoltaic cable is substantially the same as that of embodiment 1, further, the driving assembly includes a driving motor 11 fixedly disposed on the base 1, an output end of the driving motor 11 is connected to a driving shaft 111, one end of the driving shaft 111 far away from the driving motor 11 is rotatably connected to the third bracket 103 through a bearing, an outer wall of the driving shaft 111 is connected to a first gear 112, and an outer wall of the hollow rotating shaft 6 is connected to a second gear 113 engaged with the first gear 112; when the device works, the driving mechanism is controlled to operate, so that the driving motor 11 works, the output end of the driving motor 11 drives the first gear 112 to rotate through the driving shaft 111, the first gear 112 is meshed with the second gear 113 on the outer side of the hollow rotating shaft 6, and the stranding mechanism is enabled to strand the two inner cores 4.
As the preferred technical scheme of the invention, the fastening assembly comprises a plurality of fastening blocks 13, the fastening blocks 13 are movably connected between the two sleeves 3, the two sides of the outer wall of each fastening block 13 are movably connected with the clamping assembly, and the clamping assemblies are slidably connected with the outer wall of each sleeve 3; after the driving mechanism works, the fastening blocks 13 intermittently move from the outer side of the sleeve 3 to the outer sides of the two inner cores 4 and move along with the movement of the inner cores 4, so that the fastening blocks are wrapped in the two inner cores 4 and the cable in the process of twisting the cable pair of the inner cores 4.
As a preferred technical solution of the present invention, a fixed block 12 is connected between two sleeves 3, the outer wall of the fixed block 12 is connected with a first elastic element 14, one end of the first elastic element 14, which is far away from the fixed block 12, is connected with a push plate 141, the push plate 141 is movably abutted against a fastening block 13, the fixed block 12 is rotatably connected with a rotating rod 121, the outer wall of the rotating rod 121 is connected with a driven bevel gear 122, the outer wall of a driving shaft 111 is connected with a driving bevel gear 114 which is engaged with the driven bevel gear 122, the outer wall of the rotating rod 121 is connected with a first connecting plate 123, the outer wall of the first connecting plate 123 is rotatably connected with a second connecting plate 124, one end of the second connecting plate 124, which is far away from the first connecting plate 123, is rotatably connected with an L-shaped moving plate 125, and the L-shaped moving plate 125 is movably abutted against the fastening block 13; when the driving wire twisting mechanism operates, the driving bevel gear 114 outside the driving shaft 111 is engaged with the driven bevel gear 122 outside the rotating rod 121, so that the driven bevel gear 122 drives the rotating rod 121 to rotate, and the rotating rod 121 drives the first connecting plate 123 and the second connecting plate 124 to perform a connecting rod motion, so that the L-shaped moving plate 125 reciprocates in the hollow rotating shaft 6.
As a preferred technical scheme of the present invention, the clamping assembly includes a fixed rod 15, the outer wall of the fastening block 13 is provided with a movable groove 151 matching with the fixed rod 15, the outer wall of the fixed rod 15 is slidably connected with two movable blocks 152, the outer wall of the fixed rod 15 is sleeved with a second elastic element 153, two ends of the second elastic element 153 are respectively connected with the inner wall of the movable groove 151 and the movable blocks 152, the outer walls of the two movable blocks 152 are both connected with arc-shaped clamping plates 154, and the inner core 4 is movably connected between the two arc-shaped clamping plates 154; the L-shaped moving plate 125 moves in a reciprocating mode in the hollow rotating shaft 6, when the L-shaped moving plate 125 moves rightwards, the fastening block 13 on the rightmost side moves rightwards under the action of the first elastic element 14, the arc-shaped clamping plate 154 is far away from the sleeve 3 and clamps the two inner cores 4, the fastening block 13 moves towards the mold frame 5 along with the movement of the inner cores 4, the end portion of the fastening block 13 and the stress block 16 are both arranged in an arc shape, the cable can conveniently rapidly cross over the fastening block 13 when the two inner cores 4 are twisted, when the L-shaped moving plate 125 moves leftwards, the L-shaped moving plate is enabled to limit the second fastening block 13 moving rightwards due to the first elastic element 14, and the inner cores 4 are prevented from being clamped and moving.
Example 3:
referring to fig. 7, 8, 9 and 10, an aluminum alloy flexible photovoltaic cable stranding apparatus is substantially the same as that in embodiment 2, further, two stress blocks 16 are slidably connected to an inner wall of a fastening block 13, the stress blocks 16 movably abut against a mold frame 5, a third elastic element 161 is connected between the two stress blocks 16, a first groove 162 is formed in an outer wall of each stress block 16, a fourth elastic element 163 is connected to an inner wall of the first groove 162, a clamping block 164 is connected to one end, away from the inner wall of the first groove 162, of each fourth elastic element 163, two movable blocks 17 are slidably connected in the fastening block 13, and a second groove 171 matched with the clamping block 164 is formed in an outer wall of each movable block 17; when a cable wire on the pay-off mechanism is twisted with two inner cores 4 and moves to the position of the mold frame 5, the stress block 16 abuts against the mold frame 5, so that the stress block 16 is stressed to enter the fastening block 13, the third elastic element 161 is compressed, the stress block 16 applies force to the movable block 17, the movable block 17 moves towards the outer side of the fastening block 13, the movable block 17 is further enabled to extrude the cable twisted at the outer side of the fastening block 13, when the stress block 16 moves to a certain degree, the clamping block 164 in the first groove 162 enters the second groove 171 under the elastic force of the fourth elastic element 163 to limit the movable block 17, and the movable block 17 is further enabled to compress a twisted cable wire between two adjacent fastening blocks 13, and the cable wire is prevented from being loosened.
As the preferred technical scheme of the invention, both sides of the outer wall of the movable block 17 are connected with the sliding blocks 172, the fastening block 13 is provided with a sliding chute 18 which is matched with the sliding blocks 172 in a chiseling way, and a fifth elastic element 181 is connected between the inner wall of the sliding chute 18 and the sliding blocks 172; the movable block 17 is prevented from sliding in the fastening block 13 at will, and the sliding block 172 slides in the sliding groove 18 when the movable block 17 moves, so that the moving stability of the movable block 17 is improved.
Example 4
A stranding method of aluminum alloy flexible photovoltaic cable stranding equipment comprises the following steps:
s1: when cable stranding is needed, firstly, manually drawing out two groups of cable cores 4 from a pay-off box 2, enabling the two groups of cable cores to sequentially penetrate through a sleeve 3, a stranding mechanism and a die carrier 5 and finally fixing the two groups of cable cores on a take-up mechanism, then sleeving a plurality of cable drums on a pay-off drum body 702, enabling the cables to penetrate through guide holes 10 of a first guide disc 8 and a second guide disc 9, and enabling the cables to strand the outer sides of the two groups of cable cores;
s2: when the device works, the driving mechanism is controlled to operate, the driving motor 11 works, the output end of the driving motor 11 drives the first gear 112 to rotate through the driving shaft 111, the first gear 112 is meshed with the second gear 113 on the outer side of the hollow rotating shaft 6, the hollow rotating shaft 6 rotates in the third support 103, the cable wire placed on each layer of the paying-off roller body 702 is twisted on the inner core 4 when the hollow rotating shaft 6 rotates, the distance from the guide hole 10 on the first guide disc 8 to the central axis of the hollow rotating shaft 6 is greater than the distance from the guide hole 10 on the second guide disc 9 to the central axis of the hollow rotating shaft 6, and therefore the cable wire coming down from the paying-off roller body 702 gradually gathers to the outer surface of the inner core 4 in the hollow rotating shaft 6, the bending degree of the cable wire in the twisting process is reduced, and the cable wire is prevented from being broken at the bending position due to overlarge stress in the twisting process;
s3: when the driving wire twisting mechanism works, the driving bevel gear 114 outside the driving shaft 111 is meshed with the driven bevel gear 122 outside the rotating rod 121, so that the driven bevel gear 122 drives the rotating rod 121 to rotate, the rotating rod 121 drives the first connecting plate 123 and the second connecting plate 124 to do connecting rod motion, so that the L-shaped moving plate 124 reciprocates in the hollow rotating shaft 6, when the L-shaped moving plate 124 moves rightwards, the fastening block 13 at the rightmost side moves rightwards under the action of the first elastic element 14, and the arc-shaped clamping plate 154 is far away from the sleeve 3 and starts to clamp the two inner cores 4, so that the fastening block 13 moves towards the mold frame 5 along with the movement of the inner cores 4, the end part of the fastening block 13 and the stressed block 16 are both arranged into an arc shape, so that a cable can fast cross the fastening block 13 when the two inner cores 4 are twisted, when the L-shaped moving plate 125 moves leftwards, the L-shaped moving plate can limit the second fastening block 13 moved rightwards due to the first elastic element 14, preventing it from starting to clamp the core 4;
s4: when the cable wire on the pay-off mechanism is twisted with two inner cores 4 and moves to the position of the mold frame 5, the stress block 16 is abutted against the mold frame 5, so that the stress block 16 is stressed to enter the fastening block 13, the third elastic element 161 is compressed, the stress block 16 generates acting force on the movable block 17, the movable block 17 moves towards the outer side of the fastening block 13, the movable block 17 is further extruded on the cable twisted at the outer side of the fastening block 13, when the stress block 16 moves to a certain degree, the clamping block 164 in the first groove 162 enters the second groove 171 under the elastic force action of the fourth elastic element 163, the movable block 17 is limited, and then the twisted part between two adjacent fastening blocks 13 is tight, and the loose of the twisted part is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The aluminum alloy flexible photovoltaic cable stranding equipment comprises a base (1) and is characterized in that a first support (101) is arranged at the top of the base (1), a wire laying box (2) is arranged on the outer wall of the first support (101), two inner cores (4) extend outwards from the wire laying box (2), a second support (102) is arranged on the outer wall of the base (1), a sleeve (3) is fixedly connected to the outer wall of the second support (102), the inner cores (4) are movably connected into the sleeve (3), a fastening assembly is movably connected to the outer wall of the sleeve (3), a third support (103) is arranged on the outer wall of the base (1), a wire stranding mechanism is arranged in the third support (103), a driving assembly used for driving the wire stranding mechanism to work is further arranged on the outer wall of the base (1), a fourth support (104) is arranged on the outer wall of the base (1), and a die carrier (5) is arranged in the fourth bracket (10).
2. The aluminum alloy flexible photovoltaic cable stranding equipment according to claim 1, wherein the stranding mechanism comprises a hollow rotating shaft (6), the hollow rotating shaft (6) is rotatably connected in a third support (103), a pay-off reel (7) is arranged on the outer wall of the hollow rotating shaft (6), a plurality of pay-off roller assemblies distributed circumferentially are arranged on the outer wall of the pay-off reel (7), each pay-off roller assembly comprises a support frame (701) and a pay-off roller body (702) arranged at the end of the support frame (701), and the pay-off roller bodies (702) are arranged in parallel with the axis direction of the hollow rotating shaft (6).
3. The aluminum alloy flexible photovoltaic cable stranding equipment according to claim 2, characterized in that the stranding mechanism further comprises a first guide disc (8) and a second guide disc (9) which are fixedly arranged on the outer wall of the hollow rotating shaft (6), guide holes (10) are formed in the outer walls of the first guide disc (8) and the second guide disc (9), and the guide holes (10) of the first guide disc (8) and the second guide disc (9) are respectively arranged in one-to-one correspondence with the paying-off roller bodies (702).
4. The aluminum alloy flexible photovoltaic cable stranding equipment according to claim 2, wherein the driving assembly comprises a driving motor (11) fixedly arranged on the base (1), an output end of the driving motor (11) is connected with a driving shaft (111), one end, away from the driving motor (11), of the driving shaft (111) is rotatably connected to the third support (103) through a bearing, a first gear (112) is connected to the outer wall of the driving shaft (111), and a second gear (113) meshed with the first gear (112) is connected to the outer wall of the hollow rotating shaft (6).
5. The aluminum alloy flexible photovoltaic cable stranding equipment according to claim 4, characterized in that the fastening assembly comprises a plurality of fastening blocks (13), the fastening blocks (13) are movably connected between the two sleeves (3), clamping assemblies are movably connected to two sides of the outer wall of each fastening block (13), and the clamping assemblies are slidably connected to the outer wall of each sleeve (3).
6. The aluminum alloy flexible photovoltaic cable stranding equipment according to claim 5, characterized in that a fixed block (12) is connected between the two sleeves (3), a first elastic element (14) is connected to the outer wall of the fixed block (12), a push plate (141) is connected to one end, away from the fixed block (12), of the first elastic element (14), the push plate (141) is movably abutted to a fastening block (13), a rotating rod (121) is rotatably connected to the fixed block (12), a driven bevel gear (122) is connected to the outer wall of the rotating rod (121), a driving bevel gear (114) which is engaged with the driven bevel gear (122) is connected to the outer wall of the driving shaft (111), a first connecting plate (123) is connected to the outer wall of the rotating rod (121), a second connecting plate (124) is rotatably connected to the outer wall of the first connecting plate (123), and an L-shaped moving plate (125) is rotatably connected to one end, away from the first connecting plate (123), of the second connecting plate (124), the L-shaped moving plate (125) is movably abutted against the fastening block (13).
7. The aluminum alloy flexible photovoltaic cable stranding apparatus according to claim 6, wherein the clamping assembly includes a fixing rod (15), a movable groove (151) matched with the fixing rod (15) is formed in an outer wall of the fixing block (13), two moving blocks (152) are slidably connected to an outer wall of the fixing rod (15), a second elastic element (153) is sleeved on an outer wall of the fixing rod (15), two ends of the second elastic element (153) are respectively connected with an inner wall of the movable groove (151) and the moving blocks (152), arc-shaped clamping plates (154) are connected to outer walls of the two moving blocks (152), and the inner core (4) is movably connected between the two arc-shaped clamping plates (154).
8. The aluminum alloy flexible photovoltaic cable stranding equipment according to claim 7, wherein two stress blocks (16) are connected to the inner wall of the fastening block (13) in a sliding mode, the stress blocks (16) movably abut against the die carrier (5), a third elastic element (161) is connected between the two stress blocks (16), a first groove (162) is formed in the outer wall of each stress block (16), a fourth elastic element (163) is connected to the inner wall of the first groove (162), a clamping block (164) is connected to one end, away from the inner wall of the first groove (162), of the fourth elastic element (163), two movable blocks (17) are further connected to the fastening block (13) in a sliding mode, and a second groove (171) matched with the clamping block (164) is formed in the outer wall of each movable block (17) in a drilling mode.
9. The aluminum alloy flexible photovoltaic cable stranding equipment according to claim 8, wherein sliding blocks (172) are connected to two sides of the outer wall of the movable block (17), sliding grooves (18) matched with the sliding blocks (172) are formed in the fastening block (13) in a chiseled mode, and fifth elastic elements (181) are connected between the inner walls of the sliding grooves (18) and the sliding blocks (172).
10. A stranding method of the aluminum alloy flexible photovoltaic cable stranding apparatus of any one of claims 1 to 9, including the steps of:
s1: when cable stranding is needed, firstly, manually drawing out two groups of cable cores (4) from a pay-off box (2), enabling the two groups of cable cores to sequentially penetrate through a sleeve (3), a stranding mechanism and a die carrier (5) and finally fixing the two groups of cable cores on a take-up mechanism, then sleeving a plurality of cable drums on a pay-off roller body (702), enabling the cables to penetrate through guide holes (10) of a first guide disc (8) and a second guide disc (9) and enabling the cables to strand the outer sides of the two groups of cable cores (4);
s2: when the equipment works, the driving mechanism is controlled to operate, the driving motor (11) works, the output end of the driving motor (11) drives the first gear (112) to rotate through the driving shaft (111), the first gear (112) is meshed with the second gear (113) on the outer side of the hollow rotating shaft (6), the hollow rotating shaft (6) rotates in the third support (103), the cable wire placed on each layer of paying-off roller body (702) is twisted on the inner core (4) when the hollow rotating shaft (6) rotates, the distance from the guide hole (10) on the first guide disc (8) to the central axis of the hollow rotating shaft (6) is greater than the distance from the guide hole (10) on the second guide disc (9) to the central axis of the hollow rotating shaft (6), and therefore the cable wire coming down from the paying-off roller body (702) gradually gathers to the outer surface of the inner core (4) in the hollow rotating shaft (6);
s3: when the driving wire twisting mechanism works, a driving bevel gear (114) on the outer side of a driving shaft (111) is meshed with a driven bevel gear (122) on the outer side of a rotating rod (121), so that the driven bevel gear (122) drives the rotating rod (121) to rotate, the rotating rod (121) drives a first connecting plate (123) and a second connecting plate (124) to do connecting rod motion, so that an L-shaped moving plate (125) reciprocates in a hollow rotating shaft (6), when the L-shaped moving plate (125) moves rightwards, a fastening block (13) on the rightmost side moves rightwards under the action of a first elastic element (14), an arc-shaped clamping plate (154) is far away from a sleeve (3) and clamps two inner cores (4), so that the fastening block (13) moves towards a die carrier (5) along with the movement of the inner cores (4), the end part of the fastening block (13) and a stress block (16) are both set to be arc-shaped, and a cable can conveniently fast cross over the fastening block (13) when the two inner cores (4) are twisted, when the L-shaped moving plate (125) moves leftwards, the L-shaped moving plate limits the second fastening block (13) which moves rightwards due to the first elastic element (14);
s4: when a cable wire on the pay-off mechanism is twisted with two inner cores (4) and moves to the position of the mold frame (5), the stress block (16) is abutted to the mold frame (5), so that the stress block (16) is stressed to enter the fastening block (13), the third elastic element (161) is compressed, the stress block (16) applies force to the movable block (17), the movable block (17) moves to the outer side of the fastening block (13), and then the movable block (17) extrudes the twisted cable on the outer side of the fastening block (13), when the stress block (16) moves to a certain degree, the fixture block (164) in the first groove (162) enters the second groove (171) under the elastic action of the fourth elastic element (163), and the movable block (17) is limited.
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CN202111504673.7A CN114267494B (en) | 2021-12-10 | 2021-12-10 | Aluminum alloy flexible photovoltaic cable stranding equipment and stranding method thereof |
CN202211141630.1A CN115376761A (en) | 2021-12-10 | 2021-12-10 | Flexible photovoltaic cable stranding method |
CN202211141659.XA CN115497691A (en) | 2021-12-10 | 2021-12-10 | Aluminum alloy cable stranding device |
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CN202211141659.XA Division CN115497691A (en) | 2021-12-10 | 2021-12-10 | Aluminum alloy cable stranding device |
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CN202111504673.7A Active CN114267494B (en) | 2021-12-10 | 2021-12-10 | Aluminum alloy flexible photovoltaic cable stranding equipment and stranding method thereof |
CN202211141659.XA Pending CN115497691A (en) | 2021-12-10 | 2021-12-10 | Aluminum alloy cable stranding device |
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CN117476291A (en) * | 2023-12-28 | 2024-01-30 | 四川新东方电缆集团有限公司 | Wire core monofilament stranding equipment for photovoltaic cable processing |
Families Citing this family (2)
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CN117594315B (en) * | 2024-01-11 | 2024-05-24 | 沧州会友线缆股份有限公司 | Stranded wire device for super flame-retardant cable production |
CN117623002B (en) * | 2024-01-23 | 2024-04-05 | 洛阳三五电缆集团有限公司 | Twisting device for cable |
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CN117476291B (en) * | 2023-12-28 | 2024-03-12 | 四川新东方电缆集团有限公司 | Wire core monofilament stranding equipment for photovoltaic cable processing |
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CN114267494B (en) | 2022-11-01 |
CN115497691A (en) | 2022-12-20 |
CN115376761A (en) | 2022-11-22 |
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