Anti-bending drag chain cable for intelligent robot
By introducing a sliding layer into the drag chain cable for intelligent robots, the wear problem caused by bending is solved, and the service life of the cable and signal transmission stability are improved.
Patent Information
- Application Number
- CN202421636146.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-07-11
AI Technical Summary
During use, existing drag chain cables are prone to bending, which causes sliding friction between the shield layer, the outer sheath and the internal strands, causing wear and reducing service life.
A kind of anti-bending drag chain cable for intelligent robots is designed, and a shielding layer assembly is used to cover the outer side of the conductive core assembly, an outer sheath assembly is provided on the outer side of the shielding layer assembly, and a sliding layer is provided between the metal braided layers. The sliding layer is braided from ultra-high molecular weight polyethylene fiber material.
Through the self-lubricity and elasticity of the sliding layer, the sliding friction and wear during bending is reduced, the service life of the cable is improved, and the stability and overall strength of signal transmission are maintained.
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Figure CN223022931U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drag chain cables, and in particular to an anti-bending drag chain cable for intelligent robots. Background Art
[0002] A drag chain cable is a highly flexible special cable that can move back and forth following a drag chain without being easily worn, and is usually also called a drag cable or a tank chain cable.
[0003] Based on the above, the inventor found the following problems: In order to ensure the stability of signal transmission and reduce electromagnetic interference during the use of the existing drag chain cable, a shielding layer composed of a metal braid layer is usually provided. During the use of the drag chain cable, it will be frequently bent, and during the bending process, the shielding layer will slide between the outer sheath and the internal strands. The surface of the metal braid layer is usually relatively rough and has a high hardness, so it is easy to cause wear on the surface of the outer sheath and the internal strands during the sliding process, resulting in a reduced service life and inconvenience in use.
[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and an anti-bending drag chain cable for intelligent robots is provided, in order to achieve a more practical value. Summary of the Utility Model
[0005] In order to solve the above technical problems, an embodiment of the utility model provides an anti-bending drag chain cable for intelligent robots, which is specifically realized through the following technical solutions:
[0006] An anti-bending drag chain cable for intelligent robots includes a conductive core assembly. A shielding layer assembly is sleeved outside the conductive core assembly, and an outer sheath assembly is sleeved outside the shielding layer assembly. The shielding layer assembly includes two layers of metal braid layers. The inner metal braid layer is made by mutually braiding and winding a plurality of fine copper wires, and the outer metal braid layer is made by mutually braiding steel wires. Sliding layers are provided on both of the two layers of metal braid layers, and the sliding layer is woven from ultra-high molecular weight polyethylene fiber materials.
[0007] The beneficial effect of adopting the above-mentioned further scheme is that a shielding layer component is provided on the outer side of the conductive core component, and an outer sheath component is provided on the outer side of the shielding layer component, so that the shielding layer component can improve the stability of signal transmission and reduce electromagnetic interference. The outer sheath component can resist physical wear, maintain shape recovery when twisted, and reduce permanent deformation. The inner metal braided layer is made of a number of fine copper wires woven and wound together. Copper has good conductivity and can effectively block external electromagnetic interference, thereby protecting the purity of signal transmission inside the cable. The outer metal braided layer is made of steel wires woven together. The steel wires have higher strength and toughness, which is convenient for improving the overall strength and service life of the shielding layer component and can improve the signal shielding effect. The sliding layer is woven from ultra-high molecular weight polyethylene fiber material. The ultra-high molecular weight polyethylene fiber has strong self-lubrication and good elasticity, which is convenient for isolating the metal braided layer, reducing the wear caused by sliding friction during bending, and is beneficial for improving the service life.
[0008] Furthermore, the conductive core assembly includes four cable cores, and the cable cores are formed by twisting multiple strands of fine copper wires.
[0009] The beneficial effect of adopting the above further scheme is that, since the cable core is formed by twisting multiple strands of fine copper wires, it is convenient for the strands to slide against each other when the cable is bent and twisted, thereby reducing the direct impact of torque on a single conductor, preventing the conductor from breaking, and effectively increasing the service life.
[0010] Furthermore, a tensile core is provided between the four cable cores, and the four cable cores are twisted outside the tensile core.
[0011] The beneficial effect of adopting the above further solution is that by twisting the four cable cores on the outside of the tensile core, it is convenient to avoid compression of a single cable core when the cable is bent, which is beneficial to prolonging the service life.
[0012] Furthermore, the material of the tensile core is Kevlar fiber rope.
[0013] The beneficial effect of adopting the above further solution is that by using the material of the tensile core as Kevlar fiber rope, it is convenient to improve the tensile performance of the device, avoid the cable core from being pulled when subjected to tension, and help to increase the service life.
[0014] Furthermore, the outer sides of the four cable cores are provided with inner sheaths, and the space between the inner sheaths and the cable cores is filled with filling cotton thread.
[0015] The beneficial effect of adopting the above further scheme is that an inner sheath is provided on the outer sides of the four cable cores, and filling cotton thread is filled between the inner sheath and the cable core, so that the filling cotton thread can make the inside of the inner sheath round, so that the device is evenly stressed when bent, which is beneficial to improving the service life.
[0016] Furthermore, a non-woven fabric layer is sleeved outside the filling cotton thread.
[0017] The beneficial effect of adopting the above further scheme is that by sleeving a non-woven fabric layer outside the filling cotton thread, it is convenient to tighten and fix the filling cotton thread and keep the filling cotton thread in shape.
[0018] Furthermore, the outer sheath assembly includes an outer sheath, and a plurality of fiber cores are arranged inside the outer sheath, and the fiber cores are arranged in a spiral structure.
[0019] The beneficial effect of adopting the above further scheme is that by arranging a plurality of fiber cores inside the outer sheath and the fiber cores are arranged in a spiral structure, it is convenient for the fiber cores to improve the tear resistance of the outer sheath and prevent the outer sheath from cracking and affecting the protection of the interior.
[0020] Furthermore, a lubricating coating is arranged outside the outer sheath, and the material of the lubricating coating is polytetrafluoroethylene.
[0021] The beneficial effect of adopting the above further scheme is that by arranging a lubricating coating outside the outer sheath and the material of the lubricating coating is polytetrafluoroethylene, it is convenient to reduce the friction outside the outer sheath and improve the wear resistance.
[0022] The beneficial effect of the present utility model is as follows: An anti-bending drag chain cable for intelligent robots obtained by the above design. For this anti-bending drag chain cable for intelligent robots, by sleeving a shielding layer assembly outside the conductive core assembly and sleeving an outer sheath assembly outside the shielding layer assembly, it is convenient for the shielding layer assembly to improve the stability of signal transmission and reduce the role of electromagnetic interference. The outer sheath assembly is convenient for resisting physical wear, maintaining shape recovery during twisting, reducing permanent deformation. By the inner metal braid layer being made of a plurality of fine copper wires woven and wound with each other, copper has good electrical conductivity, can effectively block external electromagnetic interference, and plays a role in protecting the purity of signal transmission inside the cable. By the outer metal braid layer being made of steel wires woven with each other, the steel wires have higher strength and toughness, are convenient for improving the overall strength and service life of the shielding layer assembly, and can improve the signal shielding effect. By the sliding layer being woven from ultra-high molecular weight polyethylene fiber material, ultra-high molecular weight polyethylene fiber has strong self-lubricity and good elasticity, is convenient for isolating the metal braid layer, reducing the wear caused by sliding friction during bending, and is beneficial to improving the service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other relevant drawings can also be obtained based on these drawings.
[0024] Figure 1 Schematic three-dimensional structure diagram of an anti-bending drag chain cable for an intelligent robot provided by the present utility model;
[0025] Figure 2 Cross-sectional view of the shielding layer assembly provided by the present utility model;
[0026] Figure 3 Cross-sectional view of the conductive core assembly provided by the present utility model;
[0027] Figure 4 Schematic three-dimensional structure diagram of the outer sheath assembly provided by the present utility model.
[0028] In the figure: 101, conductive core assembly; 10101, cable core; 10102, tensile core; 10103, filling cotton thread; 10104, non-woven fabric layer; 10105, inner sheath; 102, shielding layer assembly; 10201, metal braid layer; 10202, sliding layer; 103, outer sheath assembly; 10301, outer sheath; 10302, fiber core; 10303, lubricating coating. Specific embodiments
[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.
[0030] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the claimed present utility model, but merely represents the selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.
[0031] Embodiment 1 of an anti-bending drag chain cable for an intelligent robot of the present utility model
[0032] The present utility model provides the following technical solutions: As Figures 1 - 4 shown, an anti-bending drag chain cable for an intelligent robot includes a conductive core assembly 101. A shielding layer assembly 102 is sleeved outside the conductive core assembly 101, and an outer sheath assembly 103 is sleeved outside the shielding layer assembly 102. By sleeving the shielding layer assembly 102 outside the conductive core assembly 101 and sleeving the outer sheath assembly 103 outside the shielding layer assembly 102, it is convenient for the shielding layer assembly 102 to improve the stability of signal transmission and reduce the effect of electromagnetic interference. The outer sheath assembly 103 is convenient for resisting physical wear, maintaining shape recovery during twisting, and reducing permanent deformation. The shielding layer assembly 102 includes two layers of metal braided layers 10201. The inner metal braided layer 10201 is made by mutually braiding and winding a number of fine copper wires. By making the inner metal braided layer 10201 by mutually braiding and winding a number of fine copper wires, copper has good electrical conductivity and can effectively block external electromagnetic interference, playing a role in protecting the purity of signal transmission inside the cable. The outer metal braided layer 10201 is made by mutually braiding steel wires. By making the outer metal braided layer 10201 by mutually braiding steel wires, the steel wires have higher strength and toughness, which is convenient for improving the overall strength and service life of the shielding layer assembly 102 and can also improve the signal shielding effect. Both of the two layers of metal braided layers 10201 are provided with sliding layers 10202. The sliding layer 10202 is woven from ultra-high molecular weight polyethylene fiber material. By making the sliding layer 10202 woven from ultra-high molecular weight polyethylene fiber material, the ultra-high molecular weight polyethylene fiber has strong self-lubricity and good elasticity, which is convenient for isolating the metal braided layer 10201, reducing the wear caused by sliding friction during bending, and is beneficial to improving the service life.
[0033] Embodiment II of an anti-bending drag chain cable for an intelligent robot according to the present utility model
[0034] Refer to Figures 1 - 3As shown, the conductive core assembly 101 includes four cable cores 10101, and the cable core 10101 is formed by twisting multiple strands of fine copper wires. The cable core 10101 is formed by twisting multiple strands of fine copper wires, so that when the cable is bent and twisted, the strands of wire can slide against each other, thereby reducing the direct impact of torque on a single conductor, preventing the conductor from breaking, and effectively improving the service life. A tensile core 10102 is arranged between the four cable cores 10101, and the four cable cores 10101 are twisted on the outside of the tensile core 10102. The four cable cores 10101 are twisted on the outside of the tensile core 10102, so that when the cable is bent, a single cable core 10101 is prevented from being compressed, which is beneficial to improving the service life. The tensile core 10102 is made of Kevlar fiber rope, and the tensile core 10102 is made of Kevlar fiber rope, so that the tensile performance of the device can be improved. When subjected to tension, the cable core 10101 is prevented from being pulled, which is beneficial to improving the service life. An inner sheath 10105 is provided on the outer side of the four cable cores 10101. Filling cotton thread 10103 is filled between the inner sheath 10105 and the cable core 10101. The inner sheath 10105 is provided on the outer side of the four cable cores 10101. The filling cotton thread 10103 is filled between the inner sheath 10105 and the cable core 10101. The filling cotton thread 10103 can make the inside of the inner sheath 10105 round, so that the device is evenly stressed when bending, which is beneficial to improving the service life. A non-woven fabric layer 10104 is provided on the outer side of the filling cotton thread 10103. The non-woven fabric layer 10104 is provided on the outer side of the filling cotton thread 10103, which is convenient for tightening and fixing the filling cotton thread 10103 to keep its shape.
[0035] Embodiment 3 of the utility model of a bending-resistant drag chain cable for an intelligent robot
[0036] Reference Figures 1 - 4 As shown, the outer sheath assembly 103 includes an outer sheath 10301, and a plurality of fiber cores 10302 are arranged inside the outer sheath 10301. The fiber cores 10302 are arranged in a spiral structure. The outer sheath 10301 is provided with a plurality of fiber cores 10302. The fiber cores 10302 are arranged in a spiral structure, so that the fiber cores 10302 can improve the tear resistance of the outer sheath 10301 and prevent the rupture of the outer sheath 10301 from affecting the protection of the interior. A lubricating coating 10303 is provided on the outside of the outer sheath 10301. The material of the lubricating coating 10303 is polytetrafluoroethylene. A lubricating coating 10303 is provided on the outside of the outer sheath 10301. The material of the lubricating coating 10303 is polytetrafluoroethylene, which can reduce the friction outside the outer sheath 10301 and improve the wear resistance.
[0037] Specifically, the working principle of the anti-bending drag chain cable for intelligent robots is as follows: when in use, the cable core 10101 is twisted by multiple strands of fine copper wires, so that when the cable is bent and twisted, the strands of wire can slide against each other, reducing the direct impact of torque on a single wire, preventing wire breakage, and effectively improving service life. Four cable cores 10101 are twisted on the outside of the tensile core 10102, so that when the cable is bent, a single cable core 10101 is not compressed, which is beneficial to improving service life. The tensile core 10102 is made of Kevlar fiber rope, which is convenient for improving the tensile performance of the device. When subjected to tension In order to avoid the cable core 10101 from being pulled, it is beneficial to improve the service life. An inner sheath 10105 is provided on the outer side of the four cable cores 10101. A filling cotton thread 10103 is filled between the inner sheath 10105 and the cable core 10101, so that the filling cotton thread 10103 can round the inside of the inner sheath 10105, so that the device is evenly stressed when bending, which is beneficial to improve the service life. A non-woven fabric layer 10104 is provided on the outer side of the filling cotton thread 10103, so that the filling cotton thread 10103 can be tightened and fixed to keep its shape. The inner metal braided layer 10201 is made of several thin copper wires woven and wound together. Copper has good conductivity and can effectively block external electromagnetic interference, playing a role in protecting the purity of signal transmission inside the cable. The outer metal braided layer 10201 is made of steel wires woven together. The steel wires have higher strength and toughness, which is convenient for improving the overall strength and service life of the shielding layer assembly 102, and can improve the signal shielding effect. The sliding layer 10202 is woven from ultra-high molecular weight polyethylene fiber material. The ultra-high molecular weight polyethylene fiber has strong self-lubrication and good elasticity, which is convenient for metal The braided layer 10201 is isolated to reduce the wear caused by sliding friction during bending, which is beneficial to improving the service life. A plurality of fiber cores 10302 are arranged inside the outer sheath 10301. The fiber cores 10302 are arranged in a spiral structure, which is convenient for the fiber cores 10302 to improve the tear resistance of the outer sheath 10301 and avoid the rupture of the outer sheath 10301 affecting the protection of the interior. A lubricating coating 10303 is provided on the outside of the outer sheath 10301. The material of the lubricating coating 10303 is polytetrafluoroethylene, which is convenient for reducing the friction outside the outer sheath 10301 and improving the wear resistance.
[0038] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A bending-resistant drag chain cable for an intelligent robot, characterized in that: The invention comprises a conductive core component (101), wherein a shielding layer component (102) is sleeved on the outer side of the conductive core component (101), wherein an outer sheath component (103) is sleeved on the outer side of the shielding layer component (102), wherein the shielding layer component (102) comprises two layers of metal braided layers (10201), wherein the inner metal braided layer (10201) is made of a plurality of thin copper wires braided and wound together, and the outer metal braided layer (10201) is made of steel wires braided together, and both layers of the metal braided layers (10201) are provided with sliding layers (10202), and the sliding layers (10202) are braided from ultra-high molecular weight polyethylene fiber material.
2. The anti-bending drag chain cable for an intelligent robot according to claim 1, characterized in that: The conductive core assembly (101) comprises four cable cores (10101), and the cable cores (10101) are formed by twisting a plurality of fine copper wires.
3. The anti-bending drag chain cable for an intelligent robot according to claim 2, characterized in that: A tensile core (10102) is provided between the four cable cores (10101), and the four cable cores (10101) are twisted on the outside of the tensile core (10102).
4. The anti-bending drag chain cable for an intelligent robot according to claim 3, characterized in that: The material of the tensile core (10102) is Kevlar fiber rope.
5. The anti-bending drag chain cable for an intelligent robot according to claim 4, characterized in that: An inner sheath (10105) is provided on the outer side of the four cable cores (10101), and a filling cotton thread (10103) is filled between the inner sheath (10105) and the cable core (10101).
6. The anti-bending drag chain cable for an intelligent robot according to claim 5, characterized in that: The outer side of the filling cotton thread (10103) is covered with a non-woven fabric layer (10104).
7. The anti-bending drag chain cable for an intelligent robot according to claim 1, characterized in that: The outer sheath assembly (103) comprises an outer sheath (10301), wherein a plurality of fiber cores (10302) are arranged inside the outer sheath (10301), and the fiber cores (10302) are arranged in a spiral structure.
8. The anti-bending drag chain cable for an intelligent robot according to claim 7, characterized in that: A lubricating coating (10303) is provided on the outside of the outer sheath (10301), and the material of the lubricating coating (10303) is polytetrafluoroethylene.