Wire composite forming device and forming process

Abstract

This invention relates to the field of electrified railway traction power supply technology, and provides a wire composite forming device and forming process for composite optical fibers into the top groove of a contact wire. The composite forming device includes a slotting mechanism, a gluing mechanism, and a composite mechanism arranged sequentially. The slotting mechanism includes a mounting frame, a slotting wheel, and a support wheel. The slotting wheel and the support wheel are spaced apart on the mounting frame, and their rotation axes are perpendicular to the axial direction of the contact wire. The slotting wheel has an annular protrusion arranged circumferentially to open the top groove of the contact wire. The gluing mechanism is used to apply glue to the optical fiber, and the composite mechanism is used to press the glued optical fiber into the top groove of the contact wire. The forming device and forming process provided by this invention utilize the copper alloy contact wire initially slotted by the contact wire manufacturer to composite distributed optical fiber lines during the wire laying process, avoiding breakage of the optical fiber lines under tension during production.

Description

Technical Field

[0001] This invention relates to the field of traction power supply technology for electrified railways, specifically to a wire composite forming device and forming process. Background Technology

[0002] As the core traction power supply facility of electrified railways, the overhead contact line, with its copper alloy contact wires erected above the tracks, transmits electricity through sliding contact with the train's pantograph. Its operational stability directly determines the safety and efficiency of railway transportation. Because the contact wires are exposed to complex outdoor conditions for extended periods, they are subjected not only to the corrosive effects of strong winds, heavy rain, icing, and temperature fluctuations, but also to fatigue damage caused by vibrations from high-speed train travel and continuous friction and wear from the pantograph. This can easily lead to faults such as broken strands, cracks, and excessive wear. Failure to detect these faults in time can result in serious consequences such as power outages and train stoppages.

[0003] Currently, the industry's monitoring of contact lines still relies primarily on manual periodic inspections and offline flaw detection. This method suffers from problems such as long inspection cycles, limited coverage, and inability to capture dynamic operational defects, making it difficult to achieve real-time and accurate control over the contact network's operational status. To address this pain point, the industry has proposed combining distributed optical fiber lines with copper alloy contact lines to construct a fiber-optic composite contact network monitoring system. Utilizing the sensing characteristics of optical fibers, this system analyzes changes in optical signal characteristic parameters to achieve real-time monitoring of contact line temperature, strain, vibration, and other conditions. This provides data support for daily maintenance, fault early warning, and precise troubleshooting of the contact network, representing an important development direction for intelligent monitoring in electrified railways.

[0004] In the development of composite processes for optical fiber and copper alloy contact wires, to adapt to the pantograph power collection structure, it is necessary to slot the top of the contact wire and fix the optical fiber in the slot. Existing composite solutions integrate the slotting and optical fiber composite processes into the contact wire production stage, such as simultaneously slotting during continuous casting and rolling, using multi-pass drawing forming processes to prepare slotted contact wires and then composite optical fibers, or achieving contact wire slotting and optical fiber composite through stamping and drawing forming. In the above processes, the contact wire must withstand the huge tension brought about by continuous casting, drawing, and stamping during production, which will produce significant plastic deformation. However, the elastic modulus of optical fiber and copper alloy contact wire differs significantly, and their deformation amounts differ greatly under the same tension. The optical fiber is prone to breakage due to excessive stretching and stress concentration, which greatly reduces the composite yield. At the same time, the high-tension composite process in the production stage makes it difficult to accurately control the fit between the optical fiber and the contact wire, which can easily lead to problems such as optical fiber loosening and displacement, affecting the subsequent sensing and monitoring effects.

[0005] Furthermore, in existing production stages, the composite fiber optic contact wires may still cause secondary damage to the embedded optical fibers during subsequent engineering installation due to secondary tension pulling, further reducing system reliability. Therefore, developing a composite process for copper alloy contact wires and optical fibers that can avoid the effects of tension deformation and improve the reliability of fiber optic composites has become a key technical challenge for promoting the engineering application of fiber optic composite contact network monitoring systems. Summary of the Invention

[0006] To overcome the above-mentioned defects, embodiments of the present invention provide a wire composite forming apparatus for composite optical fibers into the top groove of a contact wire. The composite forming apparatus includes a groove widening mechanism, an adhesive application mechanism, and a composite mechanism arranged sequentially. The groove widening mechanism includes a mounting frame, a groove widening wheel, and a support wheel. The groove widening wheel and the support wheel are spaced apart vertically on the mounting frame, and a space for the optical fiber to pass through is formed between the groove widening wheel and the support wheel. The groove widening wheel has an annular protrusion arranged circumferentially, which is used to open the top groove of the contact wire. The adhesive application mechanism is used to apply adhesive to the optical fiber. The composite mechanism includes a pressing wheel rotatably mounted on the mounting frame, which is used to press the adhesive-coated optical fiber into the top groove of the contact wire. According to one embodiment of this application, the glue application mechanism includes a storage box and a glue application tube arranged at an upper and lower interval on the mounting frame. The storage box and the glue application tube are connected by a pipeline, and the glue application tube is located above the feed side of the pressing roller. According to one embodiment of this application, the pressing wheel has an annular pressing groove arranged circumferentially, which can guide and press down the optical fiber coming out of the glue brushing tube into the top slot of the contact wire. According to one embodiment of this application, the glue-applying tube includes an upper end cap, a hollow cylinder, and a lower end cap connected in sequence. The hollow cylinder also contains a glue-impregnating tube, which is funnel-shaped. The upper end cap has an inlet hole and a glue inlet hole communicating with the glue-impregnating tube, and the lower end cap has an outlet hole. The inlet hole, the glue-impregnating tube, and the outlet hole are all coaxial with the hollow cylinder. After the optical fiber passes through the inlet hole, the glue-impregnating tube, and the outlet hole in sequence, it is guided into the contact wire by the pressing wheel. According to one embodiment of this application, a plurality of brushes are provided below the glue-impregnating cylinder, the top of the lower end cover has a guide slope that gradually decreases from the center to the periphery, the wire outlet is located at the center of the guide slope, the lower end cover has a return glue hole, and the guide slope can guide excess glue above the wire outlet to flow out at the return glue hole. According to one embodiment of this application, the support wheel has an annular groove arranged circumferentially, and the annular groove can contact the contact line surface for support. According to one embodiment of this application, a straightening mechanism is further included on the feeding side of the expansion wheel. The straightening mechanism includes a rotating seat, a transverse straightening wheel, and a longitudinal straightening wheel. The rotating seat is rotatably mounted on the mounting frame. The rotation axis of the transverse straightening wheel is horizontally arranged. Several transverse straightening wheels are arranged alternately vertically. The several transverse straightening wheels can laterally limit the contact line. The rotation axis of the longitudinal straightening wheel is vertically arranged. The rotation axis of the transverse straightening wheel is the same. Several longitudinal straightening wheels are arranged on both sides of the longitudinal direction of the contact line. The several longitudinal straightening wheels can longitudinally limit the contact line. According to one embodiment of this application, the mounting bracket is provided with a rotating shaft, and the rotating seat is rotatably engaged with the mounting bracket through the rotating shaft. The rotating shaft is provided with a gear, and the rotating seat has an axial through hole. A limiting rod is movable within the axial through hole, and the limiting rod can lock the gear after axial movement to lock the relative position of the mounting bracket and the rotating seat. According to one embodiment of this application, the rotating seat is further provided with a vertically movable push rod. The push rod has a protrusion, which, after abutting against the limiting rod, causes the limiting rod to engage with the gear. An elastic element one is connected between the push rod and the rotating seat, and an elastic element two is connected between the limiting rod and the rotating seat. The elastic element two is used to provide a force for the limiting rod to disengage from the gear. After the push rod moves, it can cause the protrusion to disengage from the limiting rod, so that the limiting rod disengages from the gear with the help of the elastic element two. The push rod can also be reset with the help of the elastic element one. According to one embodiment of this application, a wire composite forming process is also proposed, which, using the aforementioned wire composite forming apparatus, further includes the following steps: S1, Straightening Limit: The contact wire is fed into the straightening mechanism, which straightens the contact wire in both the horizontal and vertical directions. S2, Grooving and Expanding: The straightened and limited contact wire is fed into the grooving mechanism, and the support wheel of the grooving mechanism supports the contact wire. The top of the contact wire is grooved by the annular protrusion on the grooving wheel. S3, Fiber Optic Coating: The fiber is introduced into the coating mechanism, and the coating is supplied to the coating cylinder through the storage box of the coating mechanism via pipeline, so that the fiber can be impregnated and evenly coated by the coating cylinder, thus realizing the coating operation of the fiber. S5. Fiber optic bonding: The glue-coated optical fiber is guided by the pressing wheel of the bonding mechanism, and the pressing wheel presses the optical fiber into the top slot of the contact wire, thus completing the bonding of the optical fiber and the contact wire.

[0007] According to one embodiment provided in this application, during the implementation of steps S2 to S6, the straightening mechanism, the grooving mechanism, the glue application mechanism, and the composite mechanism are arranged sequentially along the travel direction of the contact line, and the working planes of each mechanism remain coaxial; in step S4, the optical fiber passes sequentially through the inlet hole of the upper end cover of the glue application tube, the impregnation tube, and the outlet hole of the lower end cover. The glue enters the impregnation tube through the glue inlet hole of the upper end cover to wet the optical fiber. The brush below the impregnation tube performs a uniform glue treatment on the surface of the optical fiber. Excess glue is guided to the return glue hole through the guide slope of the lower end cover for recycling.

[0008] Compared with the prior art, the composite molding device and molding process provided in this invention, through the sequential arrangement of a grooving mechanism, an adhesive application mechanism, and a laminating mechanism, with each mechanism arranged along the travel direction of the contact wire, forms a continuous process flow for the lamination of the contact wire and optical fiber. The grooving, adhesive application, and laminating processes are sequentially connected, achieving continuous composite molding of the optical fiber and contact wire. This eliminates the need to integrate the laminating operation into the contact wire production stage, and the structural design of the process flow avoids damage to the optical fiber caused by tension during the contact wire production stage. The support wheel and grooving wheel of the grooving mechanism are spaced apart on the mounting frame, and their rotation axes are both perpendicular to the axial direction of the contact wire. This structure allows the support wheel to provide stable support for the traveling contact wire, ensuring smooth travel along its own axial direction. Simultaneously, the grooving wheel rotates synchronously with the travel of the contact wire, ensuring that the opening action of the annular protrusion on the top groove of the contact wire matches the travel of the contact wire, preventing the contact wire from shifting during the grooving process and ensuring the positional accuracy of the top groove expansion support. The grooving wheel features a circumferentially extending annular protrusion that matches the top groove of the contact wire. This allows the annular protrusion to embed into the top groove of the contact wire and expand it, providing suitable working space for subsequent fiber insertion and avoiding difficulties in fiber insertion due to insufficient structural adaptability of the grooving expansion. The adhesive application mechanism corresponds to the fiber setting to apply adhesive to the fiber, providing an adhesive foundation for the bonding of the fiber and the top groove of the contact wire. The composite mechanism corresponds to both the top groove of the contact wire and the fiber setting, enabling the fiber to be pressed into the top groove of the contact wire after adhesive application. Combined with the expansion effect of the grooving mechanism on the top groove of the contact wire, the composite operation of the fiber and contact wire achieves a structural and functional match. The structural settings and arrangement of each mechanism in the overall device work together. The structural design of the grooving mechanism ensures the stability of the contact wire travel and grooving, while the corresponding settings of the adhesive application mechanism and the composite mechanism ensure the accuracy of fiber adhesive application and insertion. The combination of these structural features matches the entire device's operation process with the transport process of the contact wire and fiber, achieving efficient composite of the fiber and contact wire. Attached Figure Description

[0009] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0010] Figure 1 This is a three-dimensional structural schematic diagram of the composite molding apparatus provided in an embodiment of the present invention; Figure 2 This is an embodiment of the present invention. Figure 1 Structural diagrams of the expansion tank mechanism, the glue application mechanism, and the composite mechanism; Figure 3 This is an embodiment of the present invention. Figure 1 A magnified structural diagram of part A in the middle; Figure 4 This is an embodiment of the present invention. Figure 1 Schematic diagram of the internal structure of the middle brush glue cartridge; Figure 5 This is an embodiment of the present invention. Figure 1 A structural diagram of the lieutenant colonel's direct subordinate organization; Figure 6 This is a schematic diagram of the mounting bracket and rotating seat according to another embodiment of the present invention; Figure 7 This is an embodiment of the present invention. Figure 6 A magnified structural diagram of part B in the middle; In the diagram: 1. Optical fiber; 2. Contact wire; 3. Grooving mechanism; 31. Mounting bracket; 32. Grooving wheel; 321. Annular protrusion; 33. Support wheel; 331. Annular groove. 4. Glue application mechanism; 41. Storage box; 42. Glue application tube; 43. Top cover; 431. Cable inlet; 432. Glue inlet; 44. Hollow cylinder; 441. Brush; 45. Bottom cover; 451. Cable outlet; 452. Guide slope; 453. Glue return hole; 46. Glue dipping tube. 5. Composite mechanism, 51. Pressing wheel, 511. Annular pressing groove; 6. Straightening mechanism; 61. Rotating seat; 611. Axial through hole; 612. Limiting rod; 613. Push rod; 6131. ​​Protrusion; 614. Elastic element one; 615. Elastic element two; 62. Transverse straightening wheel; 63. Longitudinal straightening wheel; 64. Rotating shaft; 65. Gear. 7. Tension feeder, 8. Take-up mechanism, 9. Support column. Detailed Implementation

[0011] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the embodiments of this application will be described in more detail below with reference to the accompanying drawings. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of this application. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0012] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, an indirect connection through an intermediate medium, or the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0013] In the description of this application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0014] The terms "first," "second," "third," "fourth," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in a sequence other than those illustrated or described herein.

[0015] To make the drawings concise and easy to understand, some drawings only show one of the components with the same structure or function, or only one of them is marked. In this article, "one" not only means "only one", but can also mean "more than one", and "several" includes "two" and "more than two".

[0016] Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not necessarily limited to those explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus. It is understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. The embodiments of this application are described in detail below with reference to the accompanying drawings.

[0017] like Figures 1-7 The diagram illustrates a composite forming apparatus according to an embodiment of the present invention. This wire composite forming apparatus is used to composite optical fiber 1 into the top groove of contact wire 2. The apparatus comprises a groove widening mechanism 3, an adhesive application mechanism 4, and a composite mechanism 5 arranged sequentially, with each mechanism arranged along the traveling direction of contact wire 2. The groove widening mechanism 3 is equipped with a mounting frame 31, a groove widening wheel 32, and a support wheel 33. The groove widening wheel 32 and the support wheel 33 are mounted on the mounting frame 31 at intervals. The rotation axis of the groove widening wheel 32 is consistent with the rotation axis of the support wheel 33, and both rotation axes are perpendicular to the axis of contact wire 2. The outer circumferential surface of the groove widening wheel 32 is provided with an annular protrusion 321 extending circumferentially, which corresponds to the top groove of contact wire 2. The adhesive application mechanism 4 is arranged adjacent to the groove widening mechanism 3, with its working end corresponding to optical fiber 1. The composite mechanism 5 is arranged on the side of the adhesive application mechanism 4 away from the groove widening mechanism 3, and its working end simultaneously corresponds to the top groove of contact wire 2 and optical fiber 1. The design principle of this device is to expand the groove at the top of the contact wire 2 through the grooving mechanism 3, providing working space for the pressing of the optical fiber 1; to complete the coating treatment on the surface of the optical fiber 1 through the glue application mechanism 4, providing an adhesive foundation for the bonding of the optical fiber 1 and the contact wire 2; and to realize the composite assembly of the optical fiber 1 and the contact wire 2 after the glue application through the composite mechanism 5. Each mechanism works in sequence to complete the composite molding operation of the optical fiber 1 and the contact wire 2. The workflow is as follows: the contact wire 2 travels along its own axis toward the grooving mechanism 3. The contact wire 2 first contacts the support wheel 33 of the grooving mechanism 3, and the support wheel 33 supports the contact wire 2. The contact wire 2 continues to travel until it contacts the annular protrusion 321 of the grooving wheel 32. The annular protrusion 321 is embedded in the top groove of the contact wire 2. As the contact wire 2 continues to travel, the grooving wheel 32 rotates around its own rotation axis, and the annular protrusion 321 expands the top groove of the contact wire 2. The optical fiber 1 is conveyed toward the glue application mechanism 4, and the glue application mechanism 4 completes the glue application operation on the optical fiber 1 during the conveying process. The glued optical fiber 1 is conveyed to the composite mechanism 5, and the composite mechanism 5 presses the glued optical fiber 1 into the top groove of the contact wire 2 after it has been expanded by the grooving wheel 32, thus completing the composite operation of the optical fiber 1 and the contact wire 2.

[0018] The composite molding device provided in this embodiment, by sequentially setting up a grooving mechanism 3, an adhesive application mechanism 4, and a lamination mechanism 5, with each mechanism arranged along the traveling direction of the contact wire 2, forms a continuous process flow for the lamination operation of the contact wire 2 and the optical fiber 1. The grooving, adhesive application, and lamination processes are sequentially connected, realizing continuous composite molding of the optical fiber 1 and the contact wire 2. It is not necessary to integrate the lamination operation into the production stage of the contact wire 2. From the structural design of the operation flow, the damage to the optical fiber 1 caused by the tension in the production stage of the contact wire 2 is avoided. The support wheel 33 and the widening wheel 32 of the widening mechanism 3 are spaced apart on the mounting frame 31, and their rotation axes are both perpendicular to the axis of the contact wire 2. This structure allows the support wheel 33 to provide stable support for the moving contact wire 2, ensuring that the contact wire 2 moves smoothly along its own axis. At the same time, the widening wheel 32 can rotate synchronously with the movement of the contact wire 2, so that the opening effect of the annular protrusion 321 on the top slot of the contact wire 2 is adapted to the movement of the contact wire 2, preventing the contact wire 2 from shifting during the widening process and ensuring the positional accuracy of the top slot widening support. The widening wheel 32 is provided with an annular protrusion 321 extending circumferentially. This structure is adapted to the top slot of the contact wire 2, allowing the annular protrusion 321 to be embedded in the top slot of the contact wire 2 and achieve widening support. This provides a suitable working space for the subsequent pressing of the optical fiber 1, avoiding the problem of difficulty in pressing the optical fiber 1 due to insufficient structural adaptability of the slot widening support. The adhesive application mechanism 4, positioned corresponding to optical fiber 1, applies adhesive to the fiber, providing a bonding foundation for the bonding of optical fiber 1 and the top slot of contact wire 2. The composite mechanism 5, also positioned corresponding to the top slot of contact wire 2 and optical fiber 1, presses the optical fiber 1 into the top slot of contact wire 2 after adhesive application. Combined with the expansion mechanism 3's expansion effect on the top slot of contact wire 2, the composite operation of optical fiber 1 and contact wire 2 achieves a structural and functional match. The structural setup and arrangement of each mechanism in the overall device are mutually coordinated. The structural design of the expansion mechanism 3 ensures the stability of contact wire 2's movement and expansion. The corresponding setup of the adhesive application mechanism 4 and the composite mechanism 5 ensures the accuracy of adhesive application and pressing of optical fiber 1. The combination of these structural features matches the entire device's operation process with the transport process of contact wire 2 and optical fiber 1, achieving efficient composite operation of optical fiber 1 and contact wire 2.

[0019] refer to Figure 2 and Figure 3In some embodiments, the composite mechanism 5 is provided with a pressing wheel 51, which is rotatably mounted on the mounting frame 31. The rotation axis of the pressing wheel 51 is parallel to the rotation axis of the grooving wheel 32. The working end of the pressing wheel 51 is fitted with the top groove of the contact line 2. The glue application mechanism 4 is provided with a storage box 41 and a glue application tube 42. The storage box 41 and the glue application tube 42 are mounted on the mounting frame 31 with an upper and lower interval. The storage box 41 and the glue application tube 42 are connected by a pipeline. The glue application tube 42 is arranged above the pressing wheel 51. The glue outlet end of the glue application tube 42 is set corresponding to the optical fiber 1. The outer circumferential surface of the pressing wheel 51 is provided with an annular pressing groove 511 extending along its circumference. The annular pressing groove 511 is set corresponding to the top groove of the contact line 2 and the glue outlet end of the glue application tube 42. The design principle of this device is to rotate the pressing wheel 51 onto the mounting frame 31 and keep its axis parallel to the slotting wheel 32, so that the rotation of the pressing wheel 51 is adapted to the movement of the contact wire 2. The pressing wheel 51, which is in contact with the slot on the top of the contact wire 2, is used to press and bond the optical fiber 1 and the contact wire 2. The storage box 41 and the glue brushing tube 42 are set at intervals and connected by pipelines to realize the delivery of glue from the storage box 41 to the glue brushing tube 42. The glue brushing tube 42, which is located above the pressing wheel 51, ensures that the optical fiber 1 can be directly delivered to the pressing wheel 51 after being coated with glue. The annular pressing groove 511 of the pressing wheel 51 guides and presses down the optical fiber 1 so that the optical fiber 1 corresponds to the top slot of the contact wire 2. The workflow is as follows: After the top groove of the grooving mechanism 3 is opened by the grooving wheel 32, the contact wire 2 continues to move until it is in contact with the pressing wheel 51. The glue in the storage box 41 is transported to the glue brushing tube 42 through the pipeline. The glue brushing tube 42 completes the glue application to the optical fiber 1 transported to it. After the glue is applied, the optical fiber 1 is output from the glue brushing tube 42 and is attached to the annular pressing groove 511 of the pressing wheel 51. As the contact wire 2 continues to move, the pressing wheel 51 rotates synchronously around its own rotation axis. The annular pressing groove 511 guides the optical fiber 1 and presses the optical fiber 1 down into the top groove of the contact wire 2, thus completing the pressing and bonding of the optical fiber 1 and the contact wire 2.

[0020] In this embodiment, by rotating the pressing wheel 51 on the mounting bracket 31 with its rotation axis parallel to the rotation axis of the slotting wheel 32, the rotation of the pressing wheel 51 is synchronized with the movement of the contact wire 2, avoiding relative sliding between the pressing wheel 51 and the contact wire 2, ensuring that the contact wire 2 moves smoothly along its own axis. Simultaneously, the pressing force of the pressing wheel 51 on the optical fiber 1 is matched with the movement direction of the contact wire 2, improving the stability of the optical fiber 1 pressing. The pressing wheel 51 is fitted to the top slot of the contact wire 2, allowing the pressing wheel 51 to correspond to the slot position of the contact wire 2. Combined with the guiding effect of the annular groove 511 on the optical fiber 1, the optical fiber 1 is guided from the glue-applying tube 42 towards the top slot of the contact wire 2, preventing the optical fiber 1 from shifting during the pressing process and ensuring the alignment accuracy between the optical fiber 1 and the top slot of the contact wire 2. The storage box 41 and the glue-applying cylinder 42 of the glue-applying mechanism 4 are spaced apart on the mounting frame 31 and connected by pipelines. This structure enables gravity transport of the glue, ensuring the continuous delivery of the glue to the glue-applying cylinder 42. Simultaneously, the glue-applying cylinder 42 is positioned above the pressing roller 51, allowing the optical fiber 1 to be directly transported into the annular pressing groove 511 of the pressing roller 51 after glue application. This achieves seamless connection between the glue application and pressing processes, reducing intermediate steps in the transport of the optical fiber 1 and preventing glue detachment or positional displacement during transport. In the overall structure, the structural design of the pressing roller 51 complements the layout of the glue-applying mechanism 4 and connects with the operational effect of the grooving mechanism 3. The combination of these structural features makes the continuous operation process of grooving, glue application, and pressing more adaptable, improving the overall efficiency of the device's composite operation.

[0021] refer to Figure 4In some embodiments, the glue-applying tube 42 is composed of an upper end cover 43, a hollow cylinder 44, and a lower end cover 45 connected in sequence. The hollow cylinder 44 is equipped with a glue-impregnating tube 46, which has a funnel-shaped structure. The upper end cover 43 has an inlet hole 431 and a glue inlet hole 432, both of which are connected to the glue-impregnating tube 46. The lower end cover 45 has an outlet hole 451. The axis of the inlet hole 431, the axis of the glue-impregnating tube 46, and the axis of the outlet hole 451 are all coincident with the axis of the hollow cylinder 44. The optical fiber 1 passes through the inlet hole 431 of the upper end cover 43, the glue-impregnating tube 46, and the outlet hole 451 of the lower end cover 45 in sequence along its own conveying direction, and then adheres to the annular pressure groove 511 of the pressure roller 51. The design principle of this device is to form a closed working space for coating the optical fiber 1 by setting the glue-applying tube 42 as a structure in which the upper end cap 43, the hollow cylinder 44, and the lower end cap 45 are connected in sequence. By setting a funnel-shaped glue-impregnating tube 46 in the hollow cylinder 44, the glue is concentrated in the glue-impregnating tube 46, ensuring that the optical fiber 1 is in full contact with the glue. By making the inlet hole 431, the glue-impregnating tube 46, the outlet hole 451 and the hollow cylinder 44 coaxial, the optical fiber 1 is ensured to pass through the glue-applying tube 42 in a straight line, avoiding bending of the optical fiber 1 during the coating process. At the same time, the optical fiber 1 can fit into the annular pressure groove 511 of the pressure roller 51 after being output from the outlet hole 451. The process is as follows: the glue in the storage box 41 is transported through the pipeline to the glue inlet 432 of the upper end cover 43. The glue flows into the impregnation tube 46 through the glue inlet 432 and converges in the impregnation tube 46. The optical fiber 1 enters the glue brushing tube 42 from the inlet hole 431 of the upper end cover 43 along the conveying direction, passes through the impregnation tube 46 and the hollow cylinder 44 in sequence, and is fully in contact with the glue during the process of passing through the impregnation tube 46 to complete the impregnation. The impregnated optical fiber 1 continues to pass through the outlet hole 451 of the lower end cover 45, and is directly bonded to the annular pressing groove 511 of the pressing wheel 51 after being output from the glue brushing tube 42. The pressing wheel 51 presses it into the top groove of the contact wire 2.

[0022] In this embodiment, by configuring the glue-applying tube 42 with the upper end cap 43, hollow cylinder 44, and lower end cap 45 connected in sequence, a closed working cavity is formed for the glue-applying operation of the optical fiber 1. This prevents the glue from overflowing during the application process and also prevents external impurities from entering the glue-applying tube 42 and mixing with the glue, ensuring the stability of the working environment for glue-applying the optical fiber 1. A funnel-shaped glue-impregnation tube 46 is provided inside the hollow cylinder 44, and the glue inlet 432 is connected to the glue-impregnation tube 46, allowing the glue to converge within the glue-impregnation tube 46. This increases the contact area and contact time between the optical fiber 1 and the glue, ensuring sufficient glue application to the optical fiber 1 and solving the problem of insufficient local glue application to the optical fiber 1. The coaxial arrangement of the inlet hole 431, the glue-impregnating tube 46, the outlet hole 451, and the hollow cylinder 44 ensures that the optical fiber 1 passes through the glue-applying tube 42 in a straight line, guaranteeing the straightness of the optical fiber 1's transport and preventing bending or misalignment during the glue application process. This also prevents damage to the optical fiber 1 caused by bending. Simultaneously, it allows the optical fiber 1, after exiting through the outlet hole 451, to conform to the annular pressure groove 511 of the pressing roller 51, achieving structural compatibility between the glue-applying tube 42 and the pressing roller 51, thus improving the alignment accuracy of the optical fiber 1 from glue application to pressing. The combination of these structural features ensures a high degree of matching between the glue-applying function of the glue-applying tube 42 and the transport and pressing processes of the optical fiber 1, guaranteeing sufficient glue application to the optical fiber 1 and providing a structural foundation for the subsequent stable bonding of the optical fiber 1 and the contact wire 2.

[0023] Furthermore, several brushes 441 are arranged below the glue-impregnation cylinder 46. The brushes 441 are assembled inside the hollow cylinder 44. A guide slope 452 is provided on the end face of the lower end cover 45 facing the inside of the hollow cylinder 44. The guide slope 452 has a structure that gradually decreases from the center to the periphery. A glue return hole 453 is opened on the guide slope 452, which penetrates through the lower end cover 45. The design principle of this device is that by setting several brushes 441 below the glue-impregnation cylinder 46, the contact between the brushes 441 and the optical fiber 1 is used to achieve uniform application of glue on the surface of the optical fiber 1. By setting a guide slope 452 that gradually decreases from the center to the periphery on the inner side of the lower end cover 45, the excess glue in the glue-impregnation cylinder 42 is collected and guided. The glue return hole 453 on the guide slope 452 is used to discharge the collected excess glue out of the glue-impregnation cylinder 42, realizing the recycling of glue. The process is as follows: After the optical fiber 1 passes through the impregnation tube 46 and is impregnated with glue, it continues to be conveyed downwards. When it passes through several brushes 441 below the impregnation tube 46, the brushes 441 make full contact with the outer peripheral surface of the optical fiber 1, brushing away the excess glue on the surface of the optical fiber 1 and making the glue evenly cover the surface of the optical fiber 1. The excess glue in the glue brushing tube 42 that has not come into contact with the optical fiber 1 flows downwards under the action of gravity and gathers on the guide slope 452 of the lower end cover 45. The guide slope 452 guides the gathered glue to the surrounding areas, so that the glue flows into the glue return hole 453 on the guide slope 452 and is discharged from the glue brushing tube 42 through the glue return hole 453. The optical fiber 1 that has completed the glue uniformization continues to pass through the wire outlet hole 451 of the lower end cover 45 and is attached to the annular pressure groove 511 of the pressure roller 51.

[0024] In this embodiment, several brushes 441 are arranged below the glue-impregnation cylinder 46, ensuring that the glue-impregnated optical fiber 1 makes full contact with the brushes 441 during transport. The brushes 441 can remove locally accumulated glue from the surface of the optical fiber 1 and evenly apply glue to the entire outer circumference of the optical fiber 1, ensuring the uniformity of glue application and avoiding the problem of weak adhesion between the optical fiber 1 and the top groove of the contact wire 2 due to uneven glue application, thus improving the composite stability of the optical fiber 1 and the contact wire 2. A guide slope 452 that gradually decreases from the center to the periphery is provided inside the lower end cover 45. This structure utilizes gravity to naturally collect and guide excess glue in the glue-impregnation cylinder 42, allowing excess glue to flow along the inclined direction of the guide slope 452, preventing local accumulation of glue in the glue-impregnation cylinder 42 and ensuring a clean working environment inside the glue-impregnation cylinder 42. A return adhesive hole 453 is provided on the guide slope 452, allowing excess adhesive guided by the guide slope 452 to be smoothly discharged from the adhesive brush tube 42 through the return adhesive hole 453, realizing the recycling and reuse of adhesive, avoiding waste of adhesive, and reducing adhesive residue in the adhesive brush tube 42, preventing residual adhesive from drying and affecting the normal transmission of optical fiber 1. The adhesive spreading structure of the brush 441, together with the return adhesive structure of the guide slope 452 and the return adhesive hole 453, ensures the quality of adhesive coating on optical fiber 1.

[0025] Furthermore, an annular groove 331 extending circumferentially is provided on the outer peripheral surface of the support wheel 33. The groove surface of the annular groove 331 is adapted to the outer peripheral surface of the contact line 2. The support wheel 33 forms surface contact with the contact line 2 through the annular groove 331, thereby achieving the supporting function of the contact line 2. The design principle of this device is to increase the contact area between the support wheel 33 and the contact line 2 by providing an annular groove 331 on the support wheel 33, and using the surface contact between the groove surface of the annular groove 331 and the contact line 2 to replace point contact or line contact, thereby improving the supporting stability of the support wheel 33 on the contact line 2. At the same time, the surface contact limits the radial displacement of the contact line 2 on the support wheel 33, ensuring that the contact line 2 travels smoothly along its own axial direction.

[0026] refer to Figure 5In some embodiments, a straightening mechanism 6 is arranged on the side of the grooving wheel 32 away from the pressing wheel 51. The straightening mechanism 6 includes a rotating seat 61, a transverse straightening wheel 62, and a longitudinal straightening wheel 63. The rotating seat 61 is rotatably mounted on the mounting frame 31. The rotation axis of the transverse straightening wheel 62 is parallel to the rotation axis of the grooving wheel 32. Several transverse straightening wheels 62 are distributed on both sides of the transverse direction of the contact line 2. The working end of the transverse straightening wheel 62 is in contact with the transverse side of the contact line 2. The rotation axis of the longitudinal straightening wheel 63 is perpendicular to both the rotation axis of the grooving wheel 32 and the rotation axis of the transverse straightening wheel 62. Several longitudinal straightening wheels 63 are distributed on both sides of the longitudinal direction of the contact line 2. The working end of the longitudinal straightening wheel 63 is in contact with the longitudinal side of the contact line 2. The design principle of this device is to set a straightening mechanism 6 on the side of the grooving wheel 32 away from the pressing wheel 51, so that the contact line 2 is straightened before entering the grooving mechanism 3, ensuring the straightness of the contact line 2. By rotating the rotating seat 61 and mounting it on the mounting frame 31, the working angle of the straightening mechanism 6 can be adjusted so that the straightening mechanism 6 can adapt to the travel direction of the contact line 2. By setting a number of transverse straightening wheels 62 on both sides of the transverse direction of the contact line 2, the transverse direction of the contact line 2 is limited and straightened. By setting a number of longitudinal straightening wheels 63 on both sides of the longitudinal direction of the contact line 2, the longitudinal direction of the contact line 2 is limited and straightened. Through bidirectional straightening in both the transverse and longitudinal directions, the overall straightness of the contact line 2 is ensured. The workflow is as follows: the contact line 2 moves along its own axis towards the straightening mechanism 6. After entering the straightening mechanism 6, the two sides of the contact line 2 come into contact with several horizontal straightening wheels 62. The horizontal straightening wheels 62 form a horizontal limit on the contact line 2, restricting the horizontal displacement of the contact line 2. At the same time, the two sides of the contact line 2 come into contact with several vertical straightening wheels 63. The vertical straightening wheels 63 form a vertical limit on the contact line 2, restricting the vertical displacement of the contact line 2. Under the combined action of the horizontal straightening wheels 62 and the vertical straightening wheels 63, the contact line 2 completes bidirectional straightening. After straightening, the contact line 2 continues to move and enters the grooving mechanism 3 to complete the top grooving operation. Subsequently, the gluing and laminating processes are completed in sequence.

[0027] In this embodiment, a straightening mechanism 6 is provided on the side of the grooving wheel 32 away from the pressing wheel 51, so that the contact line 2 is straightened before entering the grooving mechanism 3. This ensures the straightness of the contact line 2 when it enters the grooving mechanism 3, avoiding the problem that the annular protrusion 321 of the grooving wheel 32 cannot be accurately embedded in its top groove due to the bending of the contact line 2. This improves the accuracy of the grooving operation and provides a contact line 2 with good straightness for subsequent gluing and laminating processes, ensuring the alignment accuracy of each process. The rotating seat 61 is rotatably mounted on the mounting frame 31, so that the straightening mechanism 6 can adjust the working angle according to the actual travel direction of the contact line 2, realizing the adaptation of the straightening mechanism 6 to the travel direction of the contact line 2 and improving the versatility of the device. Several transverse straightening wheels 62 are positioned on both sides of the contact line 2 laterally, with their rotation axes parallel to the widening wheel 32. These wheels provide stable transverse positioning for the contact line 2, limiting its lateral deviation. Similarly, several longitudinal straightening wheels 63 are positioned on both sides of the contact line 2 longitudinally, with their rotation axes perpendicular to both the widening wheel 32 and the transverse straightening wheels 62. These wheels provide stable longitudinal positioning for the contact line 2, limiting its longitudinal deviation. This arrangement of transverse and longitudinal straightening wheels 63 creates a bidirectional straightening and positioning system, ensuring the straightness of the contact line 2 from two perpendicular directions and preventing any deviation during its movement. The bidirectional straightening structure of the straightening mechanism 6, along with the widening mechanism 3, the adhesive application mechanism 4, and the laminating mechanism 5, forms a seamless process connection. The functions of each mechanism work together to ensure the accuracy of the entire laminating process from the source, improving the lamination quality of the optical fiber 1 and the contact line 2.

[0028] refer to Figure 6 and Figure 7In some embodiments, a rotating shaft 64 is fixedly mounted on the mounting bracket 31, and a rotating seat 61 is sleeved on the rotating shaft 64 to form a rotational engagement with the rotating shaft 64. A gear 65 is fixedly mounted on the outer circumferential surface of the rotating shaft 64. An axial through hole 611 is provided on the rotating seat 61, and the axis of the axial through hole 611 is parallel to the axis of the rotating shaft 64. A limiting rod 612 is movably mounted in the axial through hole 611. The limiting rod 612 can move axially along the axial direction of the axial through hole 611. The working end of the limiting rod 612 can engage with the tooth groove of the gear 65 after axial movement, thereby locking the relative position of the mounting bracket 31 and the rotating seat 61. The design principle of this device is to set a rotating shaft 64 on the mounting frame 31 so that the rotating seat 61 can rotate around the rotating shaft 64, thereby adjusting the working angle of the straightening mechanism 6. By setting a gear 65 on the rotating shaft 64 and setting an axial through hole 611 with a limit rod 612 on the rotating seat 61, the axial movement of the limit rod 612 and the engagement of the gear 65 tooth groove are used to lock the relative rotational position of the mounting frame 31 and the rotating seat 61, ensuring that the working angle of the straightening mechanism 6 remains stable after adjustment. The workflow is as follows: based on the actual travel direction of the contact line 2, the rotating seat 61 is pushed to rotate around the rotating shaft 64, adjusting the working angle of the straightening mechanism 6 so that the transverse straightening wheel 62 and the longitudinal straightening wheel 63 of the straightening mechanism 6 can accurately correspond to the transverse and longitudinal sides of the contact line 2; after the working angle of the straightening mechanism 6 is adjusted, the limiting rod 612 is pushed to move axially along the axis of the axial through hole 611, so that the working end of the limiting rod 612 is engaged in the tooth groove of the gear 65 on the rotating shaft 64, thereby locking the relative position of the mounting bracket 31 and the rotating seat 61 and preventing the straightening mechanism 6 from shifting angle during operation; after the contact line 2 enters the straightening mechanism 6, it completes bidirectional straightening under the action of the transverse and longitudinal straightening wheels 63, and then enters each mechanism in sequence to complete the compound operation.

[0029] In this embodiment, a rotating shaft 64 is provided on the mounting frame 31, and the rotating seat 61 and the rotating shaft 64 form a rotational engagement, allowing the rotating seat 61 to rotate flexibly around the rotating shaft 64. This enables convenient adjustment of the working angle of the straightening mechanism 6, allowing the straightening mechanism 6 to adapt to contact lines 2 with different travel directions, thus improving the adaptability and versatility of the device. A gear 65 is provided on the rotating shaft 64, and an axial through hole 611 is provided on the rotating seat 61, with a movable mounting limit rod 612. The limit rod 612 can move axially along the axial through hole 611 and engage with the tooth groove of the gear 65. The tooth groove of the gear 65 provides an engagement position for the limit rod 612, locking the relative position of the mounting frame 31 and the rotating seat 61. This ensures that the working angle of the straightening mechanism 6 remains stable after adjustment, preventing the straightening mechanism 6 from shifting due to impact or vibration of the contact line 2 during operation, and ensuring the straightening effect of the straightening mechanism 6. The limiting rod 612 is movably mounted within the axial through hole 611. Its axial movement is simple and convenient, enabling rapid adjustment and locking of the working angle of the straightening mechanism 6 without the need for a complex fixing structure, thus improving the ease of operation of the device. The structural cooperation between the rotating shaft 64 and the gear 65, and the structural cooperation between the limiting rod 612 and the axial through hole 611, forms a complete structure for the angle adjustment and locking of the straightening mechanism 6. This, combined with the bidirectional straightening structure of the straightening mechanism 6, ensures both the adaptability and operational stability of the straightening mechanism 6.

[0030] Furthermore, a push rod 613 is movably mounted on the rotating seat 61. The push rod 613 moves linearly in the vertical direction. A protrusion 6131 is fixedly mounted on the outer circumferential surface of the push rod 613. The protrusion 6131 is corresponding to the limiting rod 612. The protrusion 6131 can abut against the limiting rod 612 during the vertical movement of the push rod 613, pushing the limiting rod 612 to move axially along the axial through hole 611 and causing the limiting rod 612 to engage in the tooth groove of the gear 65. An elastic element 614 connects the push rod 613 and the rotating seat 61. The limiting rod 612 and the rotating seat 61 are connected by an elastic element 614. An elastic element 615 is connected between the two parts. The elastic force of the elastic element 615 can provide a force for the limiting rod 612 to move away from the gear 65 along the axial through hole 611, so that the limiting rod 612 disengages from the tooth groove of the gear 65. After the push rod 613 moves vertically away from the limiting rod 612, the protrusion 6131 disengages from the limiting rod 612. Under the action of the elastic force of the elastic element 615, the limiting rod 612 moves along the axial through hole 611 and disengages from the tooth groove of the gear 65. Under the action of the elastic force of the elastic element 614, the push rod 613 moves vertically to reset. The design principle of this device is as follows: a vertically movable push rod 613 and a protrusion 6131 are set on the rotating seat 61. The vertical movement of the push rod 613 drives the protrusion 6131 to abut against the limiting rod 612, thereby realizing the axial movement of the limiting rod 612 and its engagement with the gear 65. An elastic element 1 614 is set to provide a reset force for the push rod 613, and an elastic element 2 615 is set to provide a force for the limiting rod 612 to disengage from the gear 65. The elastic force of the two elastic elements is used to realize the automatic control of the engagement and disengagement of the limiting rod 612 and the gear 65, thereby realizing the rapid locking and unlocking of the relative position of the mounting bracket 31 and the rotating seat 61. Its working process is as follows: When adjusting the working angle of the straightening mechanism 6, the push rod 613 is pushed vertically away from the limiting rod 612. The push rod 613 compresses the elastic element 614 and drives the protrusion 6131 to move vertically. The protrusion 6131 disengages from the limiting rod 612. Under the elastic force of the elastic element 615, the limiting rod 612 moves along the axial through hole 611 away from the gear 65. The working end of the limiting rod 612 disengages from the tooth groove of the gear 65, the relative position of the mounting bracket 31 and the rotating seat 61 is unlocked, and the rotating seat 61 is pushed to rotate around the rotating shaft 64 to adjust the working angle; the working angle After the degree adjustment is completed, release the push rod 613. Under the elastic force of the elastic element 614, the push rod 613 moves vertically to reset, driving the protrusion 6131 to move towards the limiting rod 612. The protrusion 6131 abuts against the limiting rod 612 and pushes the limiting rod 612 to move axially along the axial through hole 611 towards the gear 65. The limiting rod 612 compresses the elastic element 615 and makes the working end lock into the tooth groove of the gear 65, thereby locking the relative position of the mounting bracket 31 and the rotating seat 61. After the contact wire 2 enters the straightening mechanism 6 to complete the bidirectional straightening, it enters each mechanism in sequence to complete the compound operation.

[0031] In this embodiment, by setting a vertically movable push rod 613 and a protrusion 6131 on the rotating seat 61, the vertical movement of the push rod 613 drives the protrusion 6131 to abut against the limiting rod 612, converting the vertical movement of the push rod 613 into the axial movement of the limiting rod 612, thereby realizing the engagement of the limiting rod 612 with the gear 65. There is no need to manually push the limiting rod 612, which improves the ease of operation for locking the relative position of the mounting bracket 31 and the rotating seat 61. Elastic element 614 connects push rod 613 to rotating seat 61, and elastic element 615 connects limit rod 612 to rotating seat 61. Elastic element 614 provides automatic reset force for push rod 613, and elastic element 615 provides automatic disengagement force for limit rod 612 from gear 65. The elastic force of the two elastic elements achieves automatic control of engagement and disengagement between limit rod 612 and gear 65. Pushing push rod 613 unlocks the device, and releasing push rod 613 locks it. The operation process is simple and efficient, improving the operating efficiency of the device. The abutment of protrusion 6131 and limit rod 612 links the movement in two vertical directions, forming a mechanical linkage structure. This structural feature, combined with the structure of rotating shaft 64, gear 65, and limit rod 612, forms a complete linkage system for angle adjustment, locking, and unlocking of straightening mechanism 6. This ensures both the flexibility of angle adjustment of straightening mechanism 6 and the convenience and stability of locking and unlocking, improving the mechanical performance of the entire device.

[0032] In some embodiments, a wire composite forming process is also proposed, wherein the process steps are tensioning, straightening and limiting, slotting and expanding, coating of optical fiber 1 with adhesive, compositing of optical fiber 1, forming and finishing, and erection and installation. Tensioning involves passing the contact wire 2 through a feed wheel, which feeds the contact wire 2 to ensure it travels at a constant speed along a set axis. Straightening and limiting involves feeding the contact wire 2 fed through the feed wheel to a straightening mechanism 6. Several transverse straightening wheels 62 of the straightening mechanism 6 form transverse limits on both sides of the contact wire 2, and several longitudinal straightening wheels 63 form longitudinal limits on both sides of the contact wire 2. The transverse and longitudinal straightening wheels 63 work together to achieve bidirectional straightening of the contact wire 2. Grooving and expanding involves feeding the straightened and limited contact wire 2 to a grooving mechanism 3. Support wheels 33 of the grooving mechanism 3 support the contact wire 2, and the annular protrusion 321 on the outer circumference of the grooving wheel 32 embeds into the top groove of the contact wire 2, thus expanding the top groove of the contact wire 2. Fiber 1 coating involves feeding the optical fiber 1 to a coating mechanism 4, where it is coated by brushing... The storage box 41 of the glue mechanism 4 delivers glue to the glue brushing cylinder 42 through a pipeline. The glue brushing cylinder 42 impregnates and evenly coats the optical fiber 1, realizing the glue coating operation of the optical fiber 1. The optical fiber 1 is then composited by conveying the glue-coated optical fiber 1 to the composite mechanism 5. The pressing wheel 51 of the composite mechanism 5 guides the optical fiber 1 and presses it into the top groove of the contact wire 2, which is opened by the grooving mechanism 3, thus completing the initial composite of the optical fiber 1 and the contact wire 2. The shaping and finishing process ensures that the contact wire 2 after the composite optical fiber 1 is in contact with the pressing wheel 51. The pressing wheel 51 shapes and fits the composite area of ​​the contact wire 2 and the optical fiber 1 to ensure the fit of the top groove of the optical fiber 1 and the contact wire 2. The erection and installation process involves conveying the composite optical fiber 1 and the contact wire 2 after the shaping and finishing process to the designated position, erecting and fixing it on the contact network support, thus completing the entire composite forming operation.

[0033] In this embodiment, the wire composite molding process is used to composite optical fiber wires during the laying process of contact wires in electrified railways. The process includes a copper alloy contact wire 2, which has been initially grooved during the production process. After the tension is released by the tension laying wheel 7, it enters the straightening device. While straightening in both longitudinal and transverse directions, the preset shape of the groove of the transverse straightening wheel 62 limits its position. Then, the groove opening at the top of the copper alloy contact wire 2 is widened by the groove expansion mechanism 3. The adhesive brushing mechanism 4 and the composite mechanism 5 located behind provide distributed optical fibers 1 filled with adhesive and composite them with the copper alloy contact wire 2. The composite optical fiber contact wire is closed by the groove closing mechanism 8 to achieve the expected composite effect. Finally, it is erected on the support column 9 by the construction personnel. After the copper alloy contact wire 2 is tensioned and laid out by the tension laying wheel 7, it is straightened by the straightening mechanism 6. The specific shape of the transverse straightening wheel 62 can effectively constrain the wire's deviation. After straightening, the contact wire 2 undergoes groove widening. The bottom support wheel 33 provides support, while the upper adjustable grooving wheel 32 widens the groove. Simultaneously, the optical fiber 1 is guided by the reversing wheel and enters the impregnation cylinder 46, then is pressed into the top groove of the copper alloy contact wire 2. Finally, the groove is closed by the forming wheel, and the composite contact wire 2 is suspended on the support. By using the copper alloy contact wire 2, which has been initially grooved by the contact wire manufacturer, and composite distributed optical fiber 1 during the laying process, the breakage of the optical fiber 1 under tension during production is avoided.

[0034] This wire composite forming process ensures that the contact wire 2 always travels along the same axis in each process by arranging the straightening mechanism 6, the grooving mechanism 3, the gluing mechanism 4, and the composite mechanism 5 in sequence along the traveling direction of the contact wire 2 and making their working planes coaxial. This avoids bending or offset of the contact wire 2 due to the offset of the working plane. At the same time, it adapts the transmission path of the optical fiber 1 to the traveling axis of the contact wire 2, ensuring accurate alignment of the top groove of the optical fiber 1 and the contact wire 2. This improves the composite quality of the optical fiber 1 and the contact wire 2 from the perspective of process layout.

[0035] In addition, the horizontal straightening wheel 62, the vertical straightening wheel 63, the grooving wheel 32, the support wheel 33, etc., can all be adjusted in position using adjusting screws to adapt to contact wires 2 of different sizes and specifications; a flow valve can also be installed between the storage box 41 and the glue application tube 42 to control the flow of glue; the composite device also includes a wire feeding wheel, which winds the distributed optical fiber 1 wire, which passes around the reversing wheel and is pressed into the groove at the top of the contact wire 2 by the pressing wheel 51.

[0036] The grooving mechanism includes a base plate fixed to the mounting bracket 31. Adjustment plates are installed on both sides of the base plate. An adjustment screw is threadedly connected to the adjustment plate and its end is connected to a slider. A forming wheel is installed inside the slider, and the forming wheel is equipped with slider side plates to guide the slider. The forming wheel realizes the convergence of the optical fiber 1 and the contact line 2. The groove of the forming wheel is set with the final cross-sectional size. By adjusting the adjustment screw, the copper alloy contact line 2 is squeezed and compressed to achieve the expected convergence effect. The slider side plates on both sides guide the slider to move horizontally.

[0037] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application, and should all be included within the protection scope of this application.

Claims

1. A wire composite forming apparatus for composited optical fiber (1) into a top groove of a contact wire (2), characterized in that, The composite molding device includes a slotting mechanism (3), an adhesive application mechanism (4), and a composite mechanism (5) arranged sequentially. The slotting mechanism (3) includes a mounting frame (31), a slotting wheel (32), and a support wheel (33). The slotting wheel (32) and the support wheel (33) are arranged vertically on the mounting frame (31) at intervals, and a space is formed between the slotting wheel (32) and the support wheel (33) for the optical fiber (1) to pass through. The slotting wheel (32) has an annular protrusion (321) arranged circumferentially. The annular protrusion (321) is used to open the top slot of the contact line (2). The adhesive application mechanism (4) is used to apply adhesive to the optical fiber (1). The composite mechanism (5) includes a pressing wheel (51) rotatably arranged on the mounting frame (31). The pressing wheel (51) is used to press the adhesive-coated optical fiber (1) into the top slot of the contact line (2).

2. The wire composite forming device according to claim 1, characterized in that, The glue application mechanism (4) includes a storage box (41) and a glue application tube (42) arranged at intervals on the mounting frame (31). The storage box (41) and the glue application tube (42) are connected by a pipeline. The glue application tube (42) is located above the feed side of the pressing roller (51).

3. The wire composite forming device according to claim 2, characterized in that, The pressing wheel (51) has an annular pressing groove (511) arranged circumferentially, which can guide and press down the optical fiber (1) coming out of the glue brush (42) into the top slot of the contact wire (2).

4. The wire composite forming device according to claim 2, characterized in that, The glue-applying tube (42) includes an upper end cap (43), a hollow cylinder (44), and a lower end cap (45) connected in sequence. The hollow cylinder (44) is also provided with a glue-impregnating tube (46). The glue-impregnating tube (46) is funnel-shaped. The upper end cap (43) has an inlet hole (431) and a glue inlet hole (432) that communicate with the glue-impregnating tube (46). The lower end cap (45) has an outlet hole (451). The inlet hole (431), the glue-impregnating tube (46), and the outlet hole (451) are all coaxial with the hollow cylinder (44). The optical fiber (1) passes through the inlet hole (431), the glue-impregnating tube (46), and the outlet hole (451) in sequence, and is guided to the contact wire (2) by the pressing wheel (51).

5. The wire composite forming apparatus according to claim 4, characterized in that, Several brushes (441) are provided below the glue-dipping cylinder (46). The top of the lower end cover (45) has a guide slope (452) that gradually decreases from the center to the surrounding area. The wire outlet (451) is located at the center of the guide slope (452). The lower end cover (45) has a return glue hole (453). The guide slope (452) can guide excess glue above the wire outlet (451) to flow out at the return glue hole (453).

6. The wire composite forming apparatus according to claim 1, characterized in that, The support wheel (33) has an annular groove (331) arranged circumferentially, which can contact the contact line (2) surface for support.

7. The wire composite forming apparatus according to claim 2, characterized in that, It also includes a straightening mechanism (6) located on the feeding side of the expansion wheel (32). The straightening mechanism (6) includes a rotating seat (61), a transverse straightening wheel (62), and a longitudinal straightening wheel (63). The rotating seat (61) is rotatably mounted on the mounting frame (31). The rotation axis of the transverse straightening wheel (62) is set horizontally. Several transverse straightening wheels (62) are arranged vertically and horizontally. Several transverse straightening wheels (62) can laterally limit the contact line (2). The rotation axis of the longitudinal straightening wheel (63) is set vertically. The rotation axis of the transverse straightening wheel (62) is set vertically. Several longitudinal straightening wheels (63) are arranged on both sides of the longitudinal direction of the contact line (2). Several longitudinal straightening wheels (63) can longitudinally limit the contact line (2).

8. The wire composite forming apparatus according to claim 7, characterized in that, The mounting bracket (31) is provided with a rotating shaft (64), and the rotating seat (61) is rotatably engaged with the mounting bracket (31) through the rotating shaft (64). The rotating shaft (64) is provided with a gear (65), and the rotating seat (61) has an axial through hole (611). A limiting rod (612) is movably provided in the axial through hole (611). The limiting rod (612) can lock the gear (65) after axial movement to lock the relative position of the mounting bracket (31) and the rotating seat (61).

9. The wire composite forming apparatus according to claim 8, characterized in that, The rotating seat (61) is also provided with a vertically movable push rod (613). The push rod (613) has a protrusion (6131). After the protrusion (6131) abuts against the limiting rod (612), the limiting rod (612) can be engaged with the gear (65). An elastic element one (614) is connected between the push rod (613) and the rotating seat (61). An elastic element two (615) is connected between the limiting rod (612) and the rotating seat (61). The elastic element two (615) is used to provide the force for the limiting rod (612) to disengage from the gear (65). After the push rod (613) moves, the protrusion (6131) can disengage from the limiting rod (612), so that the limiting rod (612) can disengage from the gear (65) with the help of the elastic element two (615). The push rod (613) can also be reset with the help of the elastic element one (614).

10. A wire composite forming process, using the wire composite forming apparatus according to claim 6, characterized in that, It also includes the following steps: S1, Straightening limit: The contact wire (2) of the laying line is sent into the straightening mechanism (6), and the contact wire (2) is straightened in both the horizontal and vertical directions by the straightening mechanism (6); S2, Grooving and expansion: The straightened and limited contact wire (2) is fed into the grooving mechanism (3), and the support wheel (33) of the grooving mechanism (3) supports the contact wire (2). The annular protrusion (321) on the grooving wheel (32) opens the top groove of the contact wire (2). S3, Fiber (1) coating: The fiber (1) is introduced into the coating mechanism (4), and the adhesive is supplied to the coating tube (42) through the storage box (41) of the coating mechanism (4) via the pipeline, so that the fiber (1) can complete the coating and uniform coating process through the coating tube (42) to realize the coating operation of the fiber (1). S5, Fiber (1) Composite: The glue-coated fiber (1) is guided by the pressing wheel (51) of the composite mechanism (5), and the pressing wheel (51) presses the fiber (1) into the top slot of the contact wire (2) which is stretched open, thus completing the composite of fiber (1) and contact wire (2).

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