A method for manufacturing composite optical cable for pole tower

Abstract

The present invention relates to the technical field of optical cables, and more specifically, to a manufacturing method for a composite optical cable for pole towers. The method comprises placing an electric conductor core or an optical conductor core in a restraining band and pressing it in until the bottom middle end of the restraining band is inserted into a slot; pressing the optical conductor core or the electric conductor core into an adjacent restraining slot on a flexible restraining frame according to the above steps, repeating the steps for multiple times until the electric conductor core and the optical conductor core on the flexible restraining frame are installed to form a composite conductor core; coating the composite conductor core with insulating shielding material to form an insulating shielding filling layer, laying a plurality of steel strips on the insulating shielding filling layer and twisting them in a clockwise or counterclockwise direction to form a first armor layer, laying a plurality of steel strips on the outer periphery of the first armor layer and twisting them in a counterclockwise or clockwise direction to form a second armor layer; coating the outer periphery of the second armor layer with a sheath, and filling a metal shielding material between the second armor layer and the sheath to form a metal shielding layer, thereby completing the manufacturing of the optoelectronic composite cable.

Description

Technical Field

[0001] The invention relates to the technical field of optical cables, and in particular to a method for manufacturing a composite optical cable for a pole tower. Background Art

[0002] Pole towers are used to support transmission lines in overhead transmission lines. Pole towers are mostly made of steel or reinforced concrete and are the main supporting structure of overhead transmission lines. By setting up pole towers to support conductors and lightning conductors, the conductors can maintain a sufficient safe distance from the ground and other buildings.

[0003] When using poles and towers, in addition to power transmission, they must also take into account the needs of communication and transportation. Therefore, in addition to hanging cables, poles and towers must also hang conductors such as optical cables. However, the number of hanging points on the poles and towers is limited. Under the premise of not increasing the number of poles and towers, in order to take into account both power transmission and communication, a composite cable formed by combining electrical cables and optical cables can be used, such as CN2708456Y, which involves an optoelectronic composite cable that can transmit optical signals and electricity at the same time, characterized in that there are optical cable cores and filling layers between the power line cores, but the power line core is twisted with the optical cable core, which will cause the power line core to be compressed, thereby affecting the conductive performance of the power line core.

[0004] In order to avoid affecting the conductive performance of the cable while taking into account both power transmission and communication, a manufacturing method for a composite optical cable for poles and towers is proposed. Summary of the invention

[0005] The object of the present invention is to provide a method for manufacturing a composite optical cable for a pole tower, so as to solve the problems raised in the above background technology.

[0006] To achieve the above object, one of the objects of the present invention is to provide a composite optical cable for a pole tower, including an optoelectronic composite cable, wherein the optoelectronic composite cable includes an inner cable core layer and an outer protective layer arranged from the inside to the outside, wherein:

[0007] The inner cable core layer includes a composite core and a twisted layer arranged on the periphery of the composite core. The composite core includes an electric conductor core for power transmission, an optical conductor core for communication, and a flexible restraint frame for preventing the electric conductor core and the optical conductor core from being twisted together. The electric conductor core and the optical conductor core are embedded in the flexible restraint frame.

[0008] As a further improvement of the present technical solution, the flexible constraint frame is a flexible silicone round rod, and the flexible constraint frame is provided with a central axis groove running through the middle thereof, a plurality of constraint grooves are symmetrically provided on the outer wall of the central axis groove, a constraint belt is slidably connected to the inner wall of the constraint groove, a clamping groove is provided on the inner wall of the constraint groove near the central axis groove, the constraint belt is a "U"-shaped structure, the bottom middle end of the constraint belt is clamped in cooperation with the clamping groove, and the two extended ends of the constraint belt are provided with protrusions for clamping the electrical conductor core or the optical conductor core.

[0009] As a further improvement of the present technical solution, the twisted layer includes a first armor layer and a second armor layer arranged from the inside to the outside, the first armor layer and the second armor layer are both layered structures formed by twisting multiple steel belt armors, the twisting directions of the first armor layer and the second armor layer are opposite, an insulating shielding filling layer is filled between the inner side of the first armor layer and the composite wire core, the outer protective layer is a sheath for waterproofing and moisture-proofing, and a metal shielding layer is filled between the outer periphery of the second armor layer and the sheath.

[0010] As a further improvement of the technical solution, the lay length range of the first armor layer and the second armor layer is 38-44 mm.

[0011] The second object of the present invention is to provide a method for manufacturing the above-mentioned composite optical cable for a pole tower, comprising the following steps:

[0012] S1. Slide the restraint belt out of the restraint groove and separate the protrusion of the extension end of the restraint belt. Then place the electrical wire core or the optical wire core on the restraint belt and press the electrical wire core or the optical wire core into the slot until the bottom end of the middle of the restraint belt is inserted into the slot.

[0013] S2, according to the above steps, press the optical wire core or the electrical wire core into the adjacent constraint groove on the flexible constraint frame, repeat multiple times until the electrical wire core and the optical wire core on the flexible constraint frame are installed to form a composite wire core;

[0014] S3, coating the composite core with insulating shielding material to form an insulating shielding filling layer, laying a plurality of steel strips on the insulating shielding filling layer and twisting them to form a first armor layer, and then laying a plurality of steel strips on the periphery of the first armor layer and twisting them in reverse to form a second armor layer;

[0015] S4. Wrap a sheath around the second armor layer, and fill a metal shielding material between the second armor layer and the sheath to form a metal shielding layer, thereby completing the manufacture of the optoelectronic composite cable.

[0016] As a further improvement of the present technical solution, in S1, a core pressing device is used to perform the pressing process of the electrical wire core and the optical wire core, and the core pressing device includes a lifting plate for supporting the flexible constraint frame, and a fixed and rotating assembly arranged on the lifting plate for fixing the flexible constraint frame, and a pressing assembly for pressing the electrical wire core and the optical wire core, and during pressing, the fixed and rotating assembly rotates the flexible constraint frame with the help of the squeezing of the pressing assembly.

[0017] As a further improvement of the present technical solution, the top of the lifting plate is rotatably connected with a plurality of first guide wheels for supporting the flexible constraint frame, a connecting shaft is arranged at one end of the lifting plate, the fixed-rotating assembly includes an end shaft rotatably connected to the connecting shaft and a fixed shaft arranged at one end of the end shaft, the fixed shaft is plugged into the central axis groove, a bottom groove and a displacement groove are provided at the bottom of the lifting plate, the pressing assembly includes a motor arranged at one end of the lifting plate and a first connecting frame slidably connected to the bottom groove, the first connecting frame is threadedly connected to the reciprocating screw shaft of the motor, the top of the first connecting frame is slidably connected to the second connecting frame, the top of the second connecting frame is rotatably connected to a pressure roller, and the second connecting frame is slidably connected to the displacement groove.

[0018] As a further improvement of the present technical solution, a turntable is provided on the side of the end shaft, side arms are provided on both sides of the lifting plate, and sliding parts are provided on the side arms near the turntable. The sliding parts include a lifting plate that is slidably connected to the side arms up and down and a sliding rod that is plugged into the lifting plate front and back, the sliding rod is sleeved with a first spring, the sliding rod is connected to the inner wall of the lifting plate through the first spring, and the bottom of the lifting plate is connected to the side arms through a second spring.

[0019] As a further improvement of the technical solution, a bottom plate is arranged at a high position in the displacement groove, a connecting plate which is plugged into and cooperates with the top of the lifting plate is arranged on the top of the bottom plate, and a pair of second guide wheels are rotatably connected to the top of the connecting plate.

[0020] As a further improvement of the present technical solution, the fixed-rotation assembly also includes a chuck slidably connected to the surface of the connecting shaft, a third spring is arranged on the side of the chuck away from the end shaft, the chuck is connected to the connecting shaft via the third spring, and the chuck is meshed with the end shaft.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. In the manufacturing method of the composite optical cable for pole tower, by setting a flexible restraining frame and restraining the electric conductor core or the optical conductor core in the restraining groove, the electric conductor core and the optical conductor core can be prevented from being twisted and entangled with each other, thereby ensuring that the conductive performance of the cable is not affected.

[0023] 2. In the manufacturing method of the composite optical cable for pole tower, a pressing assembly is provided, and a pressing roller is used to contact and squeeze the electric wire core or the optical wire core until the bottom end of the middle part of the restraining band is inserted into the card groove, so as to realize the pressing of the electric wire core or the optical wire core, which can reduce the difficulty of pressing the wire core, thereby reducing the labor intensity of workers.

[0024] 3. In the manufacturing method of the composite optical cable for the pole tower, a fixed-rotation assembly is provided, and after the pressing is completed, the end shaft can be pushed to drive the flexible restraint frame to rotate, eliminating the step of workers manually rotating the flexible restraint frame, and can reduce the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The overall structure diagram of the optoelectronic composite cable of the present invention;

[0026] Figure 2 It is a cross-sectional structural diagram of the flexible restraining frame of the present invention;

[0027] Figure 3 It is a structural diagram of the wire core pressing device of the present invention;

[0028] Figure 4 It is a cross-sectional structural diagram of the lifting plate of the present invention;

[0029] Figure 5 It is a cross-sectional structural diagram of the sliding member of the present invention;

[0030] Figure 6 This is a structural breakdown diagram of the fixed and rotating components of the present invention;

[0031] Figure 7 It is a structural diagram of the press-in assembly of the present invention;

[0032] Figure 8 It is a manufacturing flow chart of the present invention.

[0033] The meaning of each number in the figure is:

[0034] 1. Optical-electric composite cable; 11. Electrical conductor core; 12. Optical conductor core; 13. Flexible restraint frame; 131. Central axis groove; 132. Restraint groove; 133. Restraint belt; 134. Card slot; 14. Insulating shielding filling layer; 15. First armor layer; 16. Second armor layer; 17. Metal shielding layer; 18. Sheath;

[0035] 2. Wire core pressing device; 21. Lifting plate; 211. First guide wheel; 212. Connecting shaft; 213. Side arm; 214. Sliding member; 2141. Lifting plate; 2142. Sliding rod; 2143. First spring; 2144. Second spring; 215. Bottom groove; 216. Displacement groove; 217. Bottom plate; 218. Connecting plate; 219. Second guide wheel; 22. Fixed and rotating assembly; 221. End shaft; 222. Fixed shaft; 223. Turntable; 224. Chuck; 225. Third spring; 23. Pressing assembly; 231. Motor; 232. First connecting frame; 233. Reciprocating screw shaft; 234. Second connecting frame; 235. Pressing roller. DETAILED DESCRIPTION

[0036] The following will be combined with the accompanying drawings in the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0039] See also Figure 1-Figure 2 As shown, one of the purposes of this embodiment is to provide a composite optical cable for a pole tower, including an optoelectronic composite cable 1, the optoelectronic composite cable 1 includes an inner cable core layer and an outer protective layer arranged from the inside to the outside, wherein:

[0040] The inner cable core layer includes a composite core and a twisted layer arranged on the periphery of the composite core for improving the mechanical strength of the cable. The composite core includes an electric conductor core 11 for power transmission, an optical conductor core 12 for communication, and a flexible restraint frame 13 for preventing the electric conductor core 11 and the optical conductor core 12 from being twisted together. The electric conductor core 11 and the optical conductor core 12 are embedded in the flexible restraint frame 13.

[0041] In order to avoid affecting the conductive performance of the cable due to the twisting of the electric wire core 11 and the optical wire core 12, the flexible constraint frame 13 is a flexible silicone round rod, and the flexible constraint frame 13 is provided with a central axis groove 131 running through the middle thereof, and the outer wall of the central axis groove 131 is symmetrically provided with a plurality of constraint grooves 132 with a "U"-shaped cross-section, and the inner wall of the constraint groove 132 is slidably connected with a constraint belt 133, and a clamping groove 134 is provided on the inner wall of the constraint groove 132 near the central axis groove 131, and the constraint belt 133 is a "U"-shaped structure, and the bottom end of the middle part of the constraint belt 133 is clamped with the clamping groove 134, and the two extended ends of the constraint belt 133 are provided with a clamping groove for clamping the electric wire core 11 or The protrusion of the optical conductor core 12 makes the wire body of the electric conductor core 11 or the optical conductor core 12 contact with the middle part of the restraint belt 133 during installation, and pushes the middle part of the restraint belt 133 into the restraint groove 132 until the bottom end of the middle part of the restraint belt 133 is inserted into the clamping groove 134. At this time, the protrusion at the extended end of the restraint belt 133 clamps the electric conductor core 11 or the optical conductor core 12, which can prevent the electric conductor core 11 or the optical conductor core 12 from falling off from the restraint groove 132. By restraining the electric conductor core 11 or the optical conductor core 12 in the restraint groove 132, it can prevent the electric conductor core 11 and the optical conductor core 12 from being twisted and entangled with each other, thereby ensuring that the conductive performance of the cable is not affected;

[0042] Furthermore, in order to improve the mechanical strength of the cable, the twisted layer includes a first armor layer 15 and a second armor layer 16 arranged from the inside to the outside. The first armor layer 15 and the second armor layer 16 are both layered structures formed by twisting a plurality of steel belt armors, which can improve the mechanical tensile strength of the cable. The twisting directions of the first armor layer 15 and the second armor layer 16 are opposite. When the cable is subjected to force, the torques generated by the first armor layer 15 and the second armor layer 16 offset each other, preventing the first armor layer 15 and the second armor layer 16 from rotating in one direction and loosening the strands. In addition, an insulating shielding filling layer 14 is filled between the inner side of the first armor layer 15 and the composite core, and the outer protective layer is a sheath 18 for waterproofing and moisture-proofing. A metal shielding layer 17 is filled between the outer side of the second armor layer 16 and the sheath 18, and the lay length of the first armor layer 15 and the second armor layer 16 is in the range of 38-44mm, preferably 42mm in this embodiment. In addition to improving the mechanical strength of the cable, a suitable lay length can also improve the electromagnetic shielding performance of the cable.

[0043] See also Figure 3-Figure 8As shown, the second purpose of this embodiment is to provide a method for manufacturing the above-described composite optical cable for a pole tower, and the specific steps are as follows:

[0044] S1. Slide the restraining belt 133 out of the restraining groove 132, separate the protrusion at the extended end of the restraining belt 133, expose the middle part of the restraining belt 133, and then place the electric wire core 11 or the optical wire core 12 on the restraining belt 133, and press the electric wire core 11 or the optical wire core 12 into the restraining groove 132 in the direction of the slot 134 until the bottom end of the middle part of the restraining belt 133 is inserted into the slot 134, and the protrusion at the extended end of the restraining belt 133 moves along the groove surface of the restraining groove 132 under the pulling action to contact the surface of the electric wire core 11 or the optical wire core 12 and get stuck;

[0045] S2, according to the above steps, press the optical wire core 12 or the electric wire core 11 into the adjacent restraining groove 132 on the flexible restraining frame 13, repeat several times until the installation of the electric wire core 11 and the optical wire core 12 on the flexible restraining frame 13 is completed to form a composite wire core;

[0046] S3, coating the composite core with an insulating shielding material to form an insulating shielding filling layer 14, laying a plurality of steel strips on the insulating shielding filling layer 14 and twisting them in a clockwise or counterclockwise direction to form a first armor layer 15, and then laying a plurality of steel strips on the first armor layer 15 and twisting them in a counterclockwise or clockwise direction to form a second armor layer 16;

[0047] S4, a sheath 18 is coated on the outer periphery of the second armor layer 16, and a metal shielding material is filled between the second armor layer 16 and the sheath 18 to form a metal shielding layer 17, thereby completing the manufacture of the optoelectronic composite cable 1.

[0048] Among them, in S1, a core pressing device 2 is used to perform a pressing process of the electric wire core 11 and the optical wire core 12. The core pressing device 2 includes a lifting plate 21 for supporting the flexible constraint frame 13, and a fixed rotation component 22 arranged on the lifting plate 21 for fixing the flexible constraint frame 13, and a pressing component 23 for pressing the electric wire core 11 and the optical wire core 12. When pressing, the fixed rotation component 22 rotates the flexible constraint frame 13 by means of the squeezing of the pressing component 23 to change the angle, thereby facilitating the pressing of the electric wire core 11 and the optical wire core 12;

[0049] When performing the press-in process, the flexible constraint frame 13 needs to be fixed first and then pressed in. The top of the lifting plate 21 is rotatably connected to a plurality of first guide wheels 211 for supporting the flexible constraint frame 13. A connecting shaft 212 is provided at one end of the lifting plate 21. The fixed and rotating assembly 22 includes an end shaft 221 rotatably connected to the connecting shaft 212 and a fixed shaft 222 provided at one end of the end shaft 221 close to the first guide wheel 211. The fixed shaft 222 is plugged into the central shaft groove 131 to place the flexible constraint frame 13 on the first guide wheel 211. The flexible restraint frame 13 is fixed on the first guide wheel 211 and rolled along the first guide wheel 211 until the fixed shaft 222 is inserted into one end of the central shaft groove 131, thereby completing the fixing of the flexible restraint frame 13. After the restraint belt 133 in the restraint groove 132 is drawn outward and the extension end protrusion of the restraint belt 133 is broken open, the electric wire core 11 or the optical wire core 12 is placed on the restraint belt 133, and then pressed in. A bottom groove 215 is opened at the lower part of the bottom of the lifting plate 21, and a displacement groove 216 with a flat and long "mouth" structure is opened at the higher part of the bottom. The pressed-in component 23 includes The lifting plate 21 includes a motor 231 disposed at one end thereof and a first connecting frame 232 located in the bottom groove 215 and slidably connected to the bottom groove 215. The first connecting frame 232 is threadedly connected to a reciprocating screw shaft 233 of the motor 231. A second connecting frame 234 is slidably connected to the top of the first connecting frame 232. A pressure roller 235 is rotatably connected to the top of the second connecting frame 234. An inner rod is disposed at the bottom of the second connecting frame 234. The inner rod is located in the displacement groove 216. The second connecting frame 234 is slidably connected to the displacement groove 216 through the inner rod. Then, the motor 231 drives the first connection frame 232 to slide back and forth along the bottom groove 215. When the first connection frame 232 slides, it drives the second connection frame 234 to slide along the lower part of the displacement groove 216, so that the pressing roller 235 moves synchronously to contact and squeeze the electric wire core 11 or the optical wire core 12. The electric wire core 11 or the optical wire core 12 is squeezed and pushes the restraining belt 133 to move into the restraining groove 132 until the bottom end of the middle part of the restraining belt 133 is inserted into the clamping groove 134, so as to achieve the pressing of the electric wire core 11 or the optical wire core 12.

[0050] After the pressing is completed, the flexible constraint frame 13 needs to be rotated to facilitate pressing the optical conductor core 12 or the electrical conductor core 11 into the adjacent constraint groove 132. A turntable 223 is arranged on the side of the end shaft 221, and side arms 213 are arranged on both sides of the lifting plate 21. A sliding member 214 is arranged near the turntable 223 of the side arm 213. The sliding member 214 includes a lifting plate 2141 connected to the side arm 213 for sliding up and down connection and a sliding rod 2142 that is plugged in and matched with the lifting plate 2141 front and back. The sliding rod 2142 is sleeved with a first spring 2143. The sliding rod 2142 is connected to the inner wall of the lifting plate 2141 through the first spring 2143. The bottom of the lifting plate 2141 is connected to the side arm 213 through the second spring 2144. When the first connection frame 232 is moved along When the bottom groove 215 moves to one end close to the end shaft 221, two actions occur. First, the inner rod of the second connecting frame 234 slides along the lower part of the displacement groove 216 and moves along the groove surface of the displacement groove 216 to the higher part of the displacement groove 216, so that the height of the pressure roller 235 is increased, and the bottom of the pressure roller 235 is separated from the surface of the flexible constraint frame 13. Second, the second connecting frame 234 contacts and drives the sliding rod 2142 to overcome the elastic force of the first spring 2143 and move toward the rotating disk 223 until the end of the sliding rod 2142 contacts the inclined surface of the rotating disk 223, pushing the end shaft 221 and then driving the flexible constraint frame 13 to rotate, so as to facilitate the placement of the optical wire core 12 or the electrical wire core 11 on the constraint belt 133 of the adjacent constraint groove 132, and repeat the above process to press in.

[0051] It is worth noting that since the flexible constraint frame 13 is a flexible silicone round rod and the bottom of the flexible constraint frame 13 is in contact with the first guide wheel 211, there is rolling resistance that will affect the rotation effect of the flexible constraint frame 13. Therefore, a bottom plate 217 is provided at a high position in the displacement groove 216, and a connecting plate 218 is provided at the top of the bottom plate 217 to be plugged and matched with the top of the lifting plate 21. The top of the connecting plate 218 is rotatably connected to a pair of second guide wheels 219. When the inner rod of the second connecting frame 234 moves up to the high position in the displacement groove 216 and moves along the high position in the displacement groove 216, the inner rod contacts the inclined surface of the bottom plate 217, so that the bottom plate 217 drives the connecting plate 218 to move up, and then the second guide wheel 219 lifts the flexible constraint frame 13 upward, and the bottom of the flexible constraint frame 13 does not contact the first guide wheel 211, and with the help of the rolling action of the second guide wheel 219, the rolling resistance can be reduced, thereby facilitating the rotation of the flexible constraint frame 13.

[0052] Furthermore, in order to avoid missing the optimal angle for placing the optical conductor core 12 or the electrical conductor core 11 due to the excessive rotation angle of the flexible constraint frame 13, the fixed rotation assembly 22 also includes a chuck 224 that is slidably connected to the surface of the connecting shaft 212, and a third spring 225 is provided on the side of the chuck 224 away from the end shaft 221. The chuck 224 is connected to the connecting shaft 212 through the third spring 225, and the surface of the chuck 224 close to the end shaft 221 is provided with teeth, and the surface of the end shaft 221 away from the first guide wheel 211 is provided with tooth grooves. The disk 224 is meshed with the end shaft 221 through teeth and tooth grooves. The end of the sliding rod 2142 contacts the inclined surface of the turntable 223 to push the end shaft 221 to rotate. However, when the sliding rod 2142 is not in contact with the turntable 223, the end shaft 221 will continue to rotate due to rotational inertia. Therefore, by setting up this structure, the end shaft 221 needs to overcome the elastic force of the third spring 225 to rotate, thereby avoiding the situation where the optimal angle for placing the optical conductor core 12 or the electrical conductor core 11 is missed due to the excessive rotation angle of the flexible constraint frame 13.

[0053] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A method for manufacturing a composite optical cable, characterized in that: The following steps are involved: S1, sliding the restraining belt (133) out of the restraining groove (132), separating the protrusion at the extended end of the restraining belt (133), placing the electric wire core (11) or the optical wire core (12) on the restraining belt (133), and pressing the electric wire core (11) or the optical wire core (12) toward the slot (134) until the bottom middle end of the restraining belt (133) is inserted into the slot (134); S2, according to the above steps, pressing the optical wire core (12) or the electric wire core (11) into the adjacent restraining groove (132) on the flexible restraining frame (13), repeating the steps multiple times until the installation of the electric wire core (11) and the optical wire core (12) on the flexible restraining frame (13) is completed to form a composite wire core; S3, coating the composite wire core with an insulating shielding material to form an insulating shielding filling layer (14), laying a plurality of steel strips on the insulating shielding filling layer (14) and twisting them to form a first armor layer (15), and then laying a plurality of steel strips on the periphery of the first armor layer (15) and twisting them in reverse to form a second armor layer (16); S4, wrapping a sheath (18) around the second armor layer (16), and filling a metal shielding material between the second armor layer (16) and the sheath (18) to form a metal shielding layer (17), thereby completing the manufacture of the optoelectronic composite cable (1); The flexible restraining frame (13) is a flexible silicone round rod, and the flexible restraining frame (13) is provided with a central axis groove (131) penetrating the middle thereof, the outer wall of the central axis groove (131) is symmetrically provided with a plurality of restraining grooves (132), the inner wall of the restraining groove (132) is slidably connected with a restraining belt (133), the inner wall of the restraining groove (132) is provided with a clamping groove (134) near the central axis groove (131), the restraining belt (133) is a "U"-shaped structure, the middle bottom end of the restraining belt (133) is clamped with the clamping groove (134), and the two extended ends of the restraining belt (133) are provided with protrusions for clamping the electric wire core (11) or the optical wire core (12); A wire core pressing device (2) is used to perform a pressing process for the electric wire core (11) and the optical wire core (12). The wire core pressing device (2) comprises a supporting plate (21) for supporting the flexible restraining frame (13), a fixed and rotatable assembly (22) arranged on the supporting plate (21) for fixing the flexible restraining frame (13), and a pressing assembly (23) for pressing the electric wire core (11) and the optical wire core (12). During the pressing process, the fixed and rotatable assembly (22) rotates the flexible restraining frame (13) with the help of the squeezing of the pressing assembly (23).

2. The method for manufacturing a composite optical cable according to claim 1, characterized in that: The lay length of the first armor layer (15) and the second armor layer (16) is in the range of 38-44 mm.

3. The method for manufacturing a composite optical cable according to claim 1, characterized in that: The top of the lifting plate (21) is rotatably connected to a plurality of first guide wheels (211) for supporting the flexible restraining frame (13); one end of the lifting plate (21) is provided with a connecting shaft (212); the fixed-rotating assembly (22) comprises an end shaft (221) rotatably connected to the connecting shaft (212) and a fixed shaft (222) provided at one end of the end shaft (221); the fixed shaft (222) is plug-fitted with the central shaft groove (131); a bottom groove (215) and a displacement groove (216) are provided at the bottom of the lifting plate (21); The pressing assembly (23) comprises a motor (231) arranged at one end of the lifting plate (21) and a first connecting frame (232) slidably connected to the bottom groove (215); the first connecting frame (232) is threadedly connected to the reciprocating screw shaft (233) of the motor (231); the top of the first connecting frame (232) is slidably connected to a second connecting frame (234); the top of the second connecting frame (234) is rotatably connected to a pressing roller (235); and the second connecting frame (234) is slidably connected to the displacement groove (216).

4. The method for manufacturing a composite optical cable according to claim 3, characterized in that: A turntable (223) is arranged on the side of the end shaft (221), and side arms (213) are arranged on both sides of the lifting plate (21). A sliding member (214) is arranged on the side arms (213) near the turntable (223). The sliding member (214) includes a lifting plate (2141) connected to the side arms (213) for sliding up and down movement, and a sliding rod (2142) plugged into the lifting plate (2141) for front and rear movement. The sliding rod (2142) is sleeved with a first spring (2143). The sliding rod (2142) is connected to the inner wall of the lifting plate (2141) via the first spring (2143), and the bottom of the lifting plate (2141) is connected to the side arms (213) via a second spring (2144).

5. The method for manufacturing a composite optical cable according to claim 3, characterized in that: A bottom plate (217) is arranged at a high position in the displacement groove (216), a connecting plate (218) plug-fitting with the top of the lifting plate (21) is arranged at the top of the bottom plate (217), and a pair of second guide wheels (219) are rotatably connected to the top of the connecting plate (218).

6. The method for manufacturing a composite optical cable according to claim 4, characterized in that: The fixed-rotation assembly (22) further comprises a chuck (224) slidably connected to the surface of the connecting shaft (212); a third spring (225) is provided on a side of the chuck (224) away from the end shaft (221); the chuck (224) is connected to the connecting shaft (212) via the third spring (225); and the chuck (224) is meshed with the end shaft (221).

Images