High-strength cable and production line thereof

By employing a processing cylinder and torque balancing mechanism in the high-strength cable production line, combined with heat treatment and elastic compensation, the problem of uneven stress in the stranded cable was solved, thereby improving the stability and fatigue resistance of the cable.

CN120809381APending Publication Date: 2025-10-17NANJING MANSARUI TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202511127906.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-13
Publication Date
2025-10-17

AI Technical Summary

Technical Problem

In the existing high-strength cable cabling process, uneven stress distribution between stranded layers is caused by material properties and factors during processing, leading to preferential fracture of the outer layer wires and dynamic fatigue deterioration when the cable is bent.

Method used

The system employs components such as a processing cylinder, drive assembly, first gear, first gear ring, second gear, bidirectional lead screw, threaded cap, clamping plate, and inclined seat to achieve uniform clamping and tension control of the cable body. Combined with a torque balancing mechanism and a heating locking mechanism, it eliminates axial and circumferential residual stress and compensates for stress through heat treatment and elastic deformation.

Benefits of technology

It effectively eliminates axial and circumferential residual stress in the cable body, improves the structural stability and fatigue resistance of the cable, and ensures the long-term performance and reliability of the cable.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The invention discloses a high-strength cable and a production line thereof, and belongs to the technical field of cable processing, the high-strength cable comprises a mounting seat, an extrusion molding machine is mounted on the mounting seat, a material injection cylinder is mounted on the right side surface of the extrusion molding machine, a cable main body is arranged in the extrusion molding machine, and a processing cylinder sleeves the cable main body; according to the cable clamping device, the processing cylinder, the driving assembly, the first gear, the first gear ring, the second gear, the two-way lead screw, the threaded cap, the clamping plate and the inclined base are adopted, the clamping force can be accurately controlled by adjusting parameters of the driving assembly, and the cable clamping device meets the production requirements of cables of different specifications and strength grades; according to the high-strength cable production line, through a precise mechanical transmission system, precise control over the residual stress relieving process of a cable main body stranded layer and the synergistic effect of all components are achieved, the stability and reliability of the stress relieving process are guaranteed, and the production quality and efficiency of high-strength cables are improved.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of cable processing, and particularly relates to a high-strength cable and a production line thereof. BACKGROUND

[0002] As disclosed in the Chinese patent CN112289520B, a flexible fireproof cable production line is disclosed, which comprises a cable lettering device, the cable lettering device has a fixed plate, a first motor and a lettering wheel, the fixed plate has a support rod, and the support rod has an oil storage tank. The first motor is installed on the fixed plate, the first motor has a rotating shaft, the lettering wheel is installed on the rotating shaft, the fixed plate has a first guide wheel, a second guide wheel, a third guide wheel and a fourth guide wheel, the first guide wheel is on the upper end of the second guide wheel, the third guide wheel is on the upper end of the fourth guide wheel, and the cable is between the first guide wheel and the second guide wheel and between the third guide wheel and the fourth guide wheel. The flexible fireproof cable production line has simple structure and ingenious design. The cable lettering device can effectively improve the lettering efficiency, and the lettering in the later period will not fade due to time or external environment, so that the text is clear and stable.

[0003] In the existing high-strength cable cabling process, a plurality of cores are integrated into one by twisting operation to form a cable core structure. However, after twisting, due to the material properties and the comprehensive influence of various factors in the processing process, material elastic rebound phenomenon will occur, and residual stress will inevitably remain in the processing process.

[0004] Residual stress concentration: uneven stress distribution between twisted layers, causing outer wires to preferentially break when the cable is bent;

[0005] Dynamic fatigue degradation: stress concentration areas have a faster crack propagation rate in a vibrating environment.

[0006] Therefore, the application designs a high-strength cable and a production line thereof to solve the above problems. SUMMARY

[0007] The application aims to solve the problems in the background art and provides a high-strength cable and a production line thereof.

[0008] In order to achieve the above object, the technical scheme adopted by the present application is as follows: a high-strength cable production line, comprising a mounting seat, an extrusion molding machine is installed on the mounting seat, a feeding cylinder is installed on the right side of the extrusion molding machine, a cable main body is arranged in the extrusion molding machine, a processing cylinder is arranged on the cable main body, a pulling loading mechanism is arranged in the processing cylinder, an active clamping mechanism is arranged outside the pulling loading mechanism, a sliding groove is arranged in the processing cylinder, the active clamping mechanism is slidably connected in the sliding groove, a fixed rod is fixedly installed on the mounting seat, a torque balance mechanism is fixedly connected to the end of the fixed rod, an elastic loading mechanism is connected to the right side of the torque balance mechanism, an intermediate hole is arranged on the back of the processing cylinder, and a heating locking mechanism is arranged in the intermediate hole and connected to the outside of the fixed frame.

[0009] Further description of the above technical scheme: the processing cylinder is provided with two first bearings, the first bearings are fixedly connected outside the fixed frame arranged on the mounting seat, and the elastic loading mechanism is fixedly connected outside the torque balance mechanism.

[0010] Further description of the above technical scheme: the pulling loading mechanism comprises a driving assembly fixedly connected to the left end of the processing cylinder, a first gear is fixedly connected to the output shaft of the driving assembly, a first gear ring is engaged outside the first gear, three second gears are engaged with the inner teeth of the first gear ring, a bidirectional screw rod is connected to the right side of the second gear, and the active clamping mechanism is threadedly connected outside the bidirectional screw rod.

[0011] Further description of the above technical scheme: the outer arc surface of the first gear ring is provided with a connecting groove, three supporting blocks are slidably connected in the connecting groove, the supporting blocks are fixedly connected to the left side of the processing cylinder, the bidirectional screw rod is provided with two second bearings, and the second bearings are installed on the inner wall of the processing cylinder.

[0012] Further description of the above technical scheme: the active clamping mechanism comprises a threaded cap threadedly connected outside the bidirectional screw rod, a sliding block is fixedly connected to the threaded cap, the sliding block is slidably connected in the sliding groove, a connecting seat is fixedly connected outside the threaded cap, two sliding seats are vertically slidably connected in the connecting seat, and a clamping plate is slidably connected below the two sliding seats.

[0013] Further description of the above technical scheme: one side of the clamping plate close to the cable main body is arc-shaped, the clamping plate is arranged outside the cable main body, an elastic assembly is connected to the connecting seat on the inner wall of the sliding seat, an inclined seat for extruding the sliding seat is slidably connected on the sliding seat, and the inclined seat is fixedly connected to the inner wall of the processing cylinder.

[0014] As a further description of the above technical solution: the torque balancing mechanism comprises a connecting ring fixedly connected at the end of the fixed rod, three rotating shafts are rotatably connected to the inner wall of the connecting ring, a third gear is arranged outside the rotating shaft, a tooth ring is engaged with the three third gears close to one side of the processing cylinder, the tooth ring is arranged outside the processing cylinder, and a second gear ring is engaged with the three third gears outside.

[0015] As a further description of the above technical solution: a connecting hole is formed through the right side surface of the second gear ring, a guide seat is slidably connected in the connecting hole, the guide seat is fixedly connected outside the fixed rod, and the side surface of the guide seat is fixedly connected with the elastic loading mechanism.

[0016] As a further description of the above technical solution: the elastic loading mechanism comprises an extension rod and a pressing rod fixedly connected outside the second gear ring, the extension rod is fixedly connected outside the guide seat, a disc spring group is fixedly connected at the end of the extension rod, a support ring is fixedly connected to one side of the disc spring group close to the second gear ring, an inclined slot is formed in the side surface of the support ring, and the pressing rod is slidably connected in the inclined slot.

[0017] As a further description of the above technical solution: the heating and locking mechanism comprises a support fixedly connected outside the fixed frame, a side plate and a hot air gun are fixedly connected at the end of the support, the hot air gun is used for blowing and heating the cable body inside the processing cylinder, a heat-deformed memory alloy sheet is connected through the side surface of the side plate, contact limiting plates are connected to both sides of the memory alloy sheet, sliding frames are connected to both sides of the side plate, the contact limiting plates are slidably connected in the sliding frames, when the contact limiting plates contact with the inner wall of the middle hole, the friction between them increases, and the rotation of the processing cylinder is limited.

[0018] A high-strength cable is prepared by a cable production line.

[0019] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0020] 1、The invention, adopt processing cylinder, drive assembly, first gear, first gear ring, second gear, bidirectional screw rod, screw cap, clamping plate and inclined seat, drive assembly through first gear and first gear ring control three second gear and bidirectional screw rod synchronous rotation, and then drive screw cap moves in opposite direction, this design ensures that the left and right slide and clamping plate can move away from each other, and realize three ring equidistantly arranged clamping plate synchronous clamping of cable body under the action of inclined seat, due to the symmetry of left and right screw cap, the uniform and controllable linear tension is applied to the cable body in the processing cylinder, thereby effectively eliminating the axial residual stress of the stranded layer; uniform load distribution and clamping force control, the invention ingeniously designs three ring equidistantly arranged clamping plate, and drives its synchronous opening and closing by bidirectional screw rod and screw cap mechanism, this structure ensures that six clamping points uniformly clamp the cable body, avoids local stress concentration, effectively protects the cable body, prevents it from being damaged in the stress relief process, effectively releases the axial residual stress formed in the stranding process, avoids the core wire breakage or cable body deformation caused by local stress concentration, by adjusting the parameters of drive assembly, the size of clamping force can be accurately controlled, and the production requirements of cables of different specifications and strength grades can be adapted; stability and reliability of high strength cable production line: the invention realizes accurate control of the residual stress elimination process of the stranded layer of the cable body through the precise mechanical transmission system, the cooperation between the components ensures the stability and reliability of the stress relief process, and improves the production quality and efficiency of high strength cable;

[0021] By adjusting the parameters of the drive assembly, the clamping force and the stretching stroke can be accurately controlled to adapt to high strength cables of different structures, different diameters and different strength grades, which helps to improve product consistency and processing adaptability.

[0022] 2、In the application, the tooth ring, the third gear, the second gear ring, the disc spring group, the extrusion rod and the chute are adopted, when the clamping plate stably clamps the cable main body, the circumferential residual stress generated in the twisting process drives the processing cylinder to rotate, the rotating motion is transmitted to the third gear through the tooth ring, and then the second gear ring is driven to rotate, the rotation of the second gear ring drives the extrusion rod to move, the extrusion rod applies pressure to the disc spring group under the guidance of the chute, through a series of transmission and conversion, the torsion angle generated by the cable main body due to stretching is effectively transmitted to the disc spring group, the compensation of the torsion angle is realized, the disc spring group absorbs and offsets the torsion angle through elastic deformation, thereby effectively eliminating the circumferential residual stress of the cable main body, and the internal structure stability and service life of the cable main body are ensured; the ingenious application of the torque balance mechanism, the tooth ring, the third gear, the second gear ring, the extrusion rod, the chute and the disc spring group are ingeniously combined to form an efficient torque balance mechanism, the mechanism can accurately convert the torsion angle generated by the cable main body in the stretching process into the elastic deformation of the disc spring group, and realizes the dynamic compensation of the torsion angle, the design not only effectively eliminates the circumferential residual stress, but also avoids the stress concentration and structural damage problems that may occur in the traditional design, and forms a mechanical-elastic coupling dynamic compensation mechanism as a whole, can absorb the torsion angle energy formed in the stretching process in real time without introducing an active control system, significantly reduces the damage risk of the circumferential stress to the cable main body structure, the disc spring has good repeated elasticity and energy dissipation capacity, can avoid the torsion reversal caused by energy rebound, and improves the fatigue resistance and structural stability of the cable main body.

[0023] 3、In the application, the hot air gun, the contact limiting plate, the memory alloy sheet and the middle hole are adopted, the hot air gun uniformly heats the cable main body in the processing cylinder, the memory alloy sheet deforms after being heated, triggers the sliding of the contact limiting plate and makes the contact limiting plate tightly fit the inner wall of the middle hole, the limiting structure provides stable support for the processing cylinder that completes the torsion positioning, ensures that the torsion process remains stable and lasts for a period of time, this design effectively prevents the reversal of the stretching or torsion operation, ensures the stability of the state after stretching, and ensures that the stress in the cable main body is uniformly released and stable during the cooling process, thereby significantly improving the long-term performance and reliability of the cable main body; material microstructure adjustment and residual stress release, the hot air gun is used for heating treatment of the cable main body in the application, so that the surface temperature of the cable main body is increased, this process helps to finely adjust and relax the microstructure of the material, thereby realizing the partial release of the residual stress in the cable main body, and the accurate control of the cable main body torsion process and the uniform release of stress, and promoting the optimization adjustment of the material microstructure, thereby significantly improving the long-term performance, reliability and fatigue resistance of the cable main body;

[0024] Adopt the linkage mechanism of heating-locking-slow cooling can ensure that the cable main body is fully shaped in the twisted state, the internal stress is released in a stable and slow way in the hot state, thereby effectively reducing the risk of performance instability caused by thermal expansion and contraction or stress fluctuation, and the heat treatment process also promotes the microstructure rearrangement and molecular chain relaxation of the conductor material and its insulation layer, thereby further improving the dimensional stability, insulation reliability and long-term crack resistance of the cable main body from the material structure level. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A high-strength cable and its production line are provided.

[0026] Figure 2 A high-strength cable and its production line are provided.

[0027] Figure 3 A high-strength cable and its production line are provided.

[0028] Figure 4 A high-strength cable and its production line are provided.

[0029] Figure 5 A high-strength cable and its production line are provided.

[0030] Figure 6 A high-strength cable and its production line are provided.

[0031] Figure 7 A high-strength cable and its production line are provided. Figure 6 A high-strength cable and its production line are provided.

[0032] Figure 8 A high-strength cable and its production line are provided.

[0033] Figure 9 A high-strength cable and its production line are provided.

[0034] Figure 10 A high-strength cable and its production line are provided.

[0035] Figure 11 A high-strength cable and its production line are provided.

[0036] Legend:

[0037] 1, mounting seat; 2, injection cylinder; 3, extrusion molding machine; 4, cable main body; 5, processing cylinder; 6, first bearing; 7, fixed frame; 8, pulling loading mechanism; 81, driving assembly; 82, first gear; 83, first gear ring; 84, connecting groove; 85, support block; 86, second gear; 87, bidirectional screw rod; 88, second bearing; 9, movable clamping mechanism; 91, threaded cap; 92, sliding block; 93, connecting seat; 94, sliding seat; 95, clamping plate; 96, elastic assembly; 97, inclined seat; 10, sliding groove; 11, fixed rod; 12, torque balance mechanism; 121, connecting ring; 122, rotating shaft; 123, third gear; 124, gear ring; 125, second gear ring; 126, connecting hole; 127, guide seat; 13, elastic loading mechanism; 131, extension rod; 132, disc spring group; 133, support ring; 134, inclined groove; 135, extrusion rod; 14, heating locking mechanism; 141, support; 142, hot air gun; 143, side plate; 144, memory alloy piece; 145, contact limiting plate; 146, sliding frame; 15, intermediate hole. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0039] Please refer to the drawings Figure 1 - the drawings Figure 11 The present application provides a technical solution: a high-strength cable production line, comprising a mounting seat 1, the mounting seat 1 is provided with an extrusion molding machine 3, the right side of the extrusion molding machine 3 is provided with an injection cylinder 2, the extrusion molding machine 3 is provided with a cable main body 4, the cable main body 4 is provided with a processing cylinder 5, the left side of the processing cylinder 5 is provided with a pulling loading mechanism 8 arranged inside the processing cylinder 5, the pulling loading mechanism 8 is provided with a movable clamping mechanism 9, the processing cylinder 5 is provided with a sliding groove 10, the movable clamping mechanism 9 is slidingly connected in the sliding groove 10, the mounting seat 1 is fixedly provided with a fixed rod 11, the end of the fixed rod 11 is fixedly connected with a torque balance mechanism 12, the right side of the torque balance mechanism 12 is connected with an elastic loading mechanism 13, the back of the processing cylinder 5 is provided with an intermediate hole 15, the intermediate hole 15 is provided with a heating locking mechanism 14 connected outside the fixed frame 7.

[0040] Specifically, as Figures 1-3As shown, the processing cylinder 5 is sleeved with two first bearings 6, the first bearings 6 are fixedly connected with the fixed frame 7 arranged on the mounting base 1, and the elastic loading mechanism 13 is fixedly connected outside the torque balance mechanism 12.

[0041] The first bearing 6 is used to support the processing cylinder 5, so that the processing cylinder 5 can stably rotate within a certain range;

[0042] Specifically, as shown in Figures 6-8 The pulling loading mechanism 8 includes the driving assembly 81 fixedly connected to the left end of the processing cylinder 5, the output shaft of the driving assembly 81 is fixedly connected with the first gear 82, the first gear 82 is externally meshed with the first gear ring 83, the inner teeth of the first gear ring 83 are meshed with the three second gears 86, the right side surface of the second gear 86 is penetratedly connected with the bidirectional screw rod 87, and the movable clamping mechanism 9 is threadedly connected outside the bidirectional screw rod 87.

[0043] The outer arc surface of the first gear ring 83 is provided with the connecting groove 84, the connecting groove 84 is slidably connected with the three supporting blocks 85, the supporting blocks 85 are fixedly connected to the left side surface of the processing cylinder 5, the bidirectional screw rod 87 is sleeved with two second bearings 88, and the second bearings 88 are arranged on the inner wall of the processing cylinder 5.

[0044] The driving assembly 81 controls the rotation of the three second gears 86 and the bidirectional screw rod 87 through the first gear 82 and the first gear ring 83, the screw cap 91 is moved in the process of rotation of the bidirectional screw rod 87, the connecting groove 84 and the supporting block 85 cooperate with each other, and the first gear 82 supports the first gear ring 83 to ensure the stable rotation of the first gear ring 83.

[0045] The first gear ring 83 is used, the outer arc surface of the first gear ring 83 is provided with an incomplete tooth, and the first gear 82 is only required to control the small-amplitude rotation of the first gear ring 83, so that the cable main body 4 can be pulled, but the cable main body 4 does not need to be pulled to move, only the corresponding pulling force needs to be applied, and the other parts of the outer arc surface are used to set the connecting groove 84, so as to ensure the stable rotation of the first gear ring 83.

[0046] Specifically, as shown in Figures 6-7 And Figure 9 The movable clamping mechanism 9 includes the screw cap 91 threadedly connected outside the bidirectional screw rod 87, the screw cap 91 is fixedly connected with the sliding block 92, the sliding block 92 is slidably connected in the sliding groove 10, the screw cap 91 is fixedly connected with the connecting seat 93, the connecting seat 93 is vertically penetratedly slidably connected with the two sliding seats 94, and the two sliding seats 94 are slidably connected with the clamping plate 95.

[0047] The clamping plate 95 is arc-shaped on the side close to the cable body 4, and is arranged outside the cable body 4. The inner wall of the sliding seat 94 is connected with the elastic assembly 96 arranged on the connecting seat 93. The sliding seat 94 is slidingly connected with the inclined seat 97 for extruding the sliding seat 94, and the inclined seat 97 is fixedly connected to the inner wall of the processing cylinder 5.

[0048] When the bidirectional screw rod 87 rotates, the two threaded caps 91 on the surface of the bidirectional screw rod 87 move away from or close to each other. When the inclined seat 97 moves in the connecting seat 93, the sliding seat 94 and the clamping plate 95 are extruded, the clamping plate 95 controls the clamping of the cable body 4, the elastic assembly 96 controls the movement of the sliding seat 94 and the clamping plate 95 away from the cable body 4, and the linear pulling force is applied to the cable body 4 by clamping the cable body 4.

[0049] The clamping plate 95 finally realizes contact with the cable body 4, and only a certain friction force is required between the two, without the need to apply excessive pressure. When the clamping plate 95 moves horizontally, the friction force between the clamping plate 95 and the cable body 4 is used to apply a pulling force to the cable body 4.

[0050] Specifically, as shown in Figures 3-5 The torque balance mechanism 12 includes a connecting ring 121 fixedly connected to the end of the fixed rod 11, three rotating shafts 122 rotatably connected to the inner wall of the connecting ring 121, third gears 123 arranged outside the rotating shafts 122, a tooth ring 124 meshing with the three third gears 123 on the side close to the processing cylinder 5, the tooth ring 124 being arranged outside the processing cylinder 5, and a second gear ring 125 meshing with the three third gears 123 outside.

[0051] A connecting hole 126 is formed through the right side surface of the second gear ring 125, a guide seat 127 is slidingly connected in the connecting hole 126, the guide seat 127 is fixedly connected to the outside of the fixed rod 11, and the side surface of the guide seat 127 is fixedly connected with the elastic loading mechanism 13.

[0052] The connecting ring 121 supports the three third gears 123, facilitating the rotation of the tooth ring 124 to be transmitted to the second gear ring 125 through the third gears 123. The connecting hole 126 and the guide seat 127 limit and support the rotation of the second gear ring 125. The processing cylinder 5 rotates to control the rotation of the third gears 123 and the second gear ring 125 through the tooth ring 124, and the second gear ring 125 rotates to drive the extrusion rod 135 to extrude the inclined groove 134.

[0053] Specifically, as shown in Figures 4-5 and Figure 10As shown, the elastic loading mechanism 13 comprises an extension rod 131 and a pressing rod 135 fixedly connected outside the second ring gear 125, the extension rod 131 is fixedly connected outside the guide seat 127, the end of the extension rod 131 is fixedly connected with a disc spring set 132, the side of the disc spring set 132 close to the second ring gear 125 is fixedly connected with a support ring 133, the side surface of the support ring 133 is provided with an inclined slot 134, and the pressing rod 135 is slidingly connected in the inclined slot 134.

[0054] When the pressing rod 135 extrudes the inclined slot 134, the disc spring set 132 is extruded, the torsion angle generated by the stretching of the cable body 4 is transmitted to the disc spring set 132 through the torque balance mechanism 12, the purpose of torsion angle compensation is achieved, and the circumferential residual stress of the cable body 4 is eliminated.

[0055] Specifically, as shown in Figure 3 and 11 As shown, the heating locking mechanism 14 comprises a bracket 141 fixedly connected outside the fixed frame 7, the end of the bracket 141 is fixedly connected with a side plate 143 and a hot air gun 142, the hot air gun 142 is used for blowing and heating the cable body 4 in the inside of the processing cylinder 5, the side surface of the side plate 143 is throughly connected with a heat-deformed memory alloy sheet 144, both sides of the memory alloy sheet 144 are connected with contact limiting plates 145, both sides of the side plate 143 are connected with sliding frames 146, the contact limiting plates 145 are slidingly connected in the sliding frames 146, when the contact limiting plates 145 contact with the inner wall of the middle hole 15, the friction between them increases, and the rotation of the processing cylinder 5 is limited.

[0056] The hot air gun 142 performs heating treatment on the cable body 4 in the inside of the processing cylinder 5, the memory alloy sheet 144 deforms after being heated, the contact limiting plates 145 slide and adhere to the inner wall of the middle hole 15, and the processing cylinder 5 that has completed the torsion is supported and fixed.

[0057] A high-strength cable, the cable is prepared by a cable production line

[0058] Working principle, in use:

[0059] After the multi-strand wire core is stranded, and passes through the extrusion molding machine 3 to be covered with a protective sleeve, the obtained high-strength cable body 4 is output and wound after passing through the processing cylinder 5. When the cable body 4 is processed and enters the processing cylinder 5, the control driving assembly 81 works. The driving assembly 81 controls the rotation of the three second gears 86 and the bidirectional screw rod 87 through the first gear 82 and the first gear ring 83. The bidirectional screw rod 87 rotates and drives the threaded cap 91 to move. The threaded cap 91 moves and drives the left and right slide seats 94 and the clamping plates 95 to move away from each other. The slide seat 94 is extruded and moved by the inclined seat 97. The three clamping plates 95 arranged at equal intervals in a ring shape are clamped to each other outside the cable body 4. After the cable body 4 is clamped by the clamping plates 95, the threaded caps 91 on the left and right sides move away from each other, and a linear pulling force away from each other is applied to the cable body 4 in the processing cylinder 5, and the load is evenly distributed to the six clamping points. The axial residual stress of the stranded layer of the cable body 4 is eliminated.

[0060] When the clamping plates 95 stably clamp the cable body 4, the circumferential residual stress existing when the cable body 4 is stranded will drive the processing cylinder 5 to rotate. The processing cylinder 5 rotates and controls the rotation of the third gear 123 and the second gear ring 125 through the gear ring 124. The second gear ring 125 rotates and drives the extrusion rod 135 to rotate and extrude the inclined groove 134, extruding the disc spring set 132. The torsional angle generated by the stretching of the cable body 4 is transmitted to the disc spring set 132 through the torque balance mechanism 12, achieving the purpose of torsional angle compensation, and eliminating the circumferential residual stress of the cable body 4.

[0061] At this time, the hot air gun 142 is started to work, and the hot air gun 142 heats the cable body 4 in the processing cylinder 5. The memory alloy sheet 144 deforms after being heated. The control contact limiting plate 145 slides and is attached to the inner wall of the middle hole 15 to support and fix the processing cylinder 5 after the torsion is completed. The stable state after stretching is maintained for a period of time to prevent the reverse rotation of stretching or torsion and to ensure that the stress of the cable body 4 is uniformly released and stable during the cooling process, thereby improving the long-term performance and reliability of the cable body 4. The surface temperature of the cable body 4 rises, which helps to adjust and relax the microstructure in the material, and the residual stress in the cable body 4 is partially released, thereby improving the long-term fatigue life and crack resistance of the cable body 4.

[0062] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change within the technical range disclosed by the present application according to the technical solution and inventive concept of the present application, which should be covered within the protection scope of the present application.

Claims

1. A high-strength cable production line, comprising a mounting base, characterized in that: An extrusion molding machine is installed on the mounting seat, and an injection cylinder is installed on the right side of the extrusion molding machine. A cable body is provided in the extrusion molding machine, and a processing cylinder is provided on the outer shell of the cable body. A pulling and loading mechanism arranged inside the processing cylinder is installed on the left side of the processing cylinder, and a movable clamping mechanism is provided outside the pulling and loading mechanism. A slide groove is provided in the processing cylinder, and the movable clamping mechanism is slidably connected in the slide groove. A fixing rod is fixedly installed on the mounting seat, and a torque balancing mechanism is fixedly connected to the end of the fixing rod. An elastic loading mechanism is connected to the right side of the torque balancing mechanism. An intermediate hole is provided on the back side of the processing cylinder, and a heating locking mechanism connected to the outside of the fixed frame is provided in the intermediate hole.

2. A high-strength cable production line according to claim 1, characterized in that: The outer shell of the processing cylinder is provided with two first bearings, the outside of the first bearings is fixedly connected to a fixing frame provided on the mounting seat, and the elastic loading mechanism is fixedly connected to the outside of the torque balancing mechanism.

3. A high-strength cable production line according to claim 1, characterized in that: The pulling and loading mechanism includes a driving assembly fixedly connected to the left end of the processing cylinder, the output shaft of the driving assembly is fixedly connected to the first gear, the first gear is externally engaged with a first gear ring, the internal teeth of the first gear ring are engaged with three second gears, the right side of the second gear is penetrated by a bidirectional screw rod, and the movable clamping mechanism is threadedly connected to the outside of the bidirectional screw rod.

4. A high-strength cable production line according to claim 3, characterized in that: A connecting groove is provided on the outer arc surface of the first gear ring, and three support blocks are slidably connected in the connecting groove. The support blocks are fixedly connected to the left side of the processing cylinder. The bidirectional screw rod is outer-circuited with two second bearings, and the second bearings are installed on the inner wall of the processing cylinder.

5. A high-strength cable production line according to claim 4, characterized in that: The movable clamping mechanism includes a threaded cap threadedly connected to the outside of the bidirectional screw rod, a sliding block fixedly connected to the threaded cap, the sliding block is slidably connected in the slide groove, a connecting seat is fixedly connected to the outside of the threaded cap, the connecting seat vertically penetrates and is slidably connected to two slides, and a splint is slidably connected under the two slides.

6. A high-strength cable production line according to claim 5, characterized in that: The side of the clamp close to the cable body is set to an arc shape, and the clamp is arranged outside the cable body. The inner wall of the slide is connected to an elastic component installed on the connecting seat. The slide is slidably connected to an inclined seat for squeezing the slide, and the inclined seat is fixedly connected to the inner wall of the processing cylinder.

7. A high-strength cable production line according to claim 2, characterized in that: The torque balancing mechanism includes a connecting ring fixedly connected to the end of the fixed rod, the inner wall of the connecting ring is rotatably connected to three rotating shafts, a third gear is provided outside the rotating shaft, the three third gears are meshed with a gear ring close to the side of the processing cylinder, the gear ring is provided outside the processing cylinder, and a second gear ring is meshed outside the three third gears, a connecting hole is opened through the right side of the second gear ring, a guide seat is slidably connected in the connecting hole, the guide seat is fixedly connected to the outside of the fixed rod, and the side of the guide seat is fixedly connected to the elastic loading mechanism.

8. A high-strength cable production line according to claim 7, characterized in that: The elastic loading mechanism includes an extension rod and an extrusion rod fixedly connected to the outside of the second gear ring. The extension rod is fixedly connected to the outside of the guide seat. The end of the extension rod is fixedly connected to a disc spring group. The side of the disc spring group close to the second gear ring is fixedly connected to a support ring. The side of the support ring is provided with an oblique groove, and the extrusion rod is slidably connected in the oblique groove.

9. A high-strength cable production line according to claim 1, characterized in that: The heating locking mechanism includes a bracket fixedly connected to the outside of the fixed frame, and the end of the bracket is fixedly connected to a side plate and a hot air gun, the hot air gun is used to blow air to heat the cable body inside the processing cylinder, and the side of the side plate is penetrated by a memory alloy sheet that is deformed by heat, and both sides of the memory alloy sheet are connected to a contact limit plate, and both sides of the side plate are connected to a sliding frame, and the contact limit plate is slidably connected in the sliding frame. When the contact limit plate contacts the inner wall of the middle hole, the friction between the two increases, thereby limiting the rotation of the processing cylinder.

10. A high-strength cable, characterized in that: The cable is produced by the cable production line according to claim 1.

Citation Information

Patent Citations

  • Flexible fire-resistant cables and their production lines

    CN112289520B