Flexible waterproof tensile control cable
By using structural improvements such as flexible copper stranded conductors and water-blocking filler ropes in control cables, the flexibility and waterproof performance of the cables have been enhanced, solving the problem of reduced insulation performance in humid and mobile environments, and achieving long service life and stable use in special environments.
Patent Information
- Application Number
- CN202520385780.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-06
AI Technical Summary
Existing control cables suffer from reduced insulation performance in humid and mobile environments, leading to unstable signal and data transmission and making them unsuitable for long-term use in special environments.
The cable employs a soft-structure copper stranded conductor, PVC insulation sheath, water-blocking filler rope, water-blocking tape wrapping layer, and water-blocking tape wrapping reinforcement layer, combined with steel strand and polyurethane sheath, to enhance the cable's flexibility, waterproofness, and tensile strength.
It improves the insulation performance of cables in humid and mobile environments, making them suitable for stable use in mountainous areas, coastal areas, high-rise buildings, power plants, and mines.
Smart Images
Figure CN223815648U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cable technical field, concretely relates to a soft waterproof tensile control cable. BACKGROUND
[0002] The existing control cable is generally only suitable for the place with excellent environment, provides the signal control to the equipment, but in the humid environment and the environment that often moves and drags, the insulation performance of the cable can change with the external environment, slowly appears because the sheath skin is damaged, spreads to the insulation performance is threatened, greatly reduces, signal, data transmission stability, therefore, to change the long life, stable use of ordinary control cable in some special environment, the cable structure needs to be improved so as to be used in more occasions.
[0003] Therefore, the utility model provides a soft waterproof tensile control cable. UTILITY MODEL CONTENTS
[0004] (I) technical problem solved
[0005] In view of the deficiency of prior art, the utility model provides a soft waterproof tensile control cable, which is characterized by using soft structure copper stranded conductor, polyvinyl chloride insulation sleeve, water-blocking filling rope, water-blocking tape wrapping layer and water-blocking tape wrapping reinforcing layer in the cable structure, thereby enhancing the softness and moisture resistance of the cable, using two steel strands and polyurethane sheath in the sheath structure, thereby enhancing the tensile and wear resistance of the cable, and the product is suitable for use in mountainous areas, coastal areas, high-rise buildings, power stations, power plants and mines.
[0006] (II) technical scheme
[0007] To achieve the above object, the utility model is realized by the following technical scheme:
[0008] A soft waterproof tensile control cable is characterized by comprising a plurality of soft structure copper stranded conductors, each conductor is covered with a polyvinyl chloride insulation sleeve on the outer side, the plurality of soft structure copper stranded conductors are arranged in a ring shape, and the adjacent soft structure copper stranded conductors are filled with water-blocking filling ropes, the cable structure formed by the plurality of soft structure copper stranded conductors and the water-blocking filling ropes is covered with a polyester film wrapping layer on the outer side, the water-blocking tape wrapping layer is wrapped on the outer side of the polyester film wrapping layer, the outer side of the water-blocking tape wrapping layer is further covered with a braided shielding layer, the braided shielding layer is further wrapped with a water-blocking tape wrapping reinforcing layer on the outer side, and an outer jacket layer is further wrapped on the outer side of the water-blocking tape wrapping reinforcing layer, and two steel wire strands are further embedded in the outer jacket layer.
[0009] Preferably, the soft structure copper stranded conductor is composed of a 5-class soft structure conductor in accordance with GB / T3956-2008.
[0010] Preferably, the water-blocking filling ropes are multiple, uniformly distributed in the gaps between the polyvinyl chloride insulation sleeves and the polyester film wrapping layers.
[0011] Preferably, the pitch of the polyvinyl chloride insulation sleeves and the water-blocking filling ropes after being twisted must be controlled to be no more than 16 times of the outer diameter of the twisted cable, so as to ensure the softness of the cable.
[0012] Preferably, the material of the polyester film wrapping layer is a non-hygroscopic tape.
[0013] Preferably, the material of the braided shielding layer is a soft copper wire with a diameter ranging from 0.15 mm to 0.2 mm, and the braided shielding layer is completed by braiding, and the braiding density is not less than 80%.
[0014] (Three) beneficial effects
[0015] The embodiment of the utility model provides a kind of soft waterproof tensile control cable. With following
[0016] Beneficial effects:
[0017] By using soft structure copper twisted conductor, polyvinyl chloride insulation sleeve, water-blocking filling rope, water-blocking tape wrapping layer and water-blocking tape wrapping reinforcing layer in the cable structure, the softness and moisture resistance of the cable are enhanced, two steel wires and polyurethane sheath are used in the sheath structure, the tensile and wear resistance of the cable are enhanced, and the product is suitable for mountainous areas, coastal areas, high-rise buildings, power plants, power plants, mines and other places. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the structure diagram of the utility model.
[0019] In the figure:
[0020] 1, soft structure copper twisted conductor;
[0021] 2, polyvinyl chloride insulation sleeve;
[0022] 3, water-blocking filling rope;
[0023] 4, polyester film wrapping layer;
[0024] 5, water-blocking tape wrapping layer;
[0025] 6, braided shielding layer;
[0026] 7, water-blocking tape wrapping reinforcing layer;
[0027] 8, steel wire strand;
[0028] 9, outer layer. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0030] Referring to the drawings Figure 1 A soft waterproof tensile control cable comprises: a plurality of soft structure copper stranded conductors 1, a polyvinyl chloride insulating sleeve 2, a water-blocking filling rope 3, a polyester film wrapping layer 4, a water-blocking tape wrapping layer 5, a braided shielding layer 6, a water-blocking tape wrapping reinforcing layer 7, a steel wire strand 8 and a polyurethane outer sleeve layer 9.
[0031] The plurality of soft structure copper stranded conductors 1 are each coated with the polyvinyl chloride insulating sleeve 2 on the outer side. It can be understood that the soft structure copper stranded conductor 1 is composed of a 5-class soft structure conductor in accordance with GB / T3956-2008.
[0032] The water-blocking filling rope 3 is in multiple and uniformly distributed in the gaps between the polyvinyl chloride insulating sleeves 2 and between the polyvinyl chloride insulating sleeves 2 and the polyester film wrapping layer 4.
[0033] The plurality of soft structure copper stranded conductors 1 are arranged in a ring shape and the adjacent soft structure copper stranded conductors 1 are filled with the water-blocking filling rope 3, so that the arrangement between the conductors is more compact and the waterproofness of the whole cable is improved. The pitch of the polyvinyl chloride insulating sleeve 2 and the water-blocking filling rope 3 during stranding must be controlled to be not greater than 16 times of the stranding outer diameter to ensure the softness of the cable.
[0034] The polyester film wrapping layer 4 is coated on the outer side of the cable structure formed by the plurality of soft structure copper stranded conductors 1 and the water-blocking filling rope 3. The material of the polyester film wrapping layer 4 is a non-hygroscopic tape.
[0035] The water-blocking tape wrapping layer 5 is wrapped on the outer side of the polyester film wrapping layer 4 to further improve the waterproofness of the whole cable. The outer side of the water-blocking tape wrapping layer 5 is further coated with the braided shielding layer 6. The material of the braided shielding layer 6 is a soft copper wire with a diameter ranging from 0.15mm to 0.2mm. The braided shielding layer 6 is completed by braiding process, and the braiding density is not less than 80%.
[0036] The outside of the braided shielding layer 6 is further wrapped by a water-blocking tape wrapping reinforcing layer 7, and an outer cover layer 9 is wrapped on the outside of the water-blocking tape wrapping reinforcing layer 7, and two steel wire strands 8 are further embedded in the outer cover layer 9, and the material of the outer cover layer 9 is polyurethane. The two steel wire strands 8 and the outer cover layer 9 are simultaneously produced by an extruding die of an extruding machine to form one-time injection molding.
[0037] It is to be noted that, in this document, the relationship terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.
[0038] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A flexible, waterproof, tensile strength control cable, characterized in that, The cable comprises several soft structure copper stranded conductors (1), the outer side of each conductor is covered with a polyvinyl chloride insulation sleeve (2), the several soft structure copper stranded conductors (1) are arranged to form a ring, and the adjacent soft structure copper stranded conductors (1) are filled with water-blocking filling ropes (3), the outer side of the cable structure formed by the several soft structure copper stranded conductors (1) and the water-blocking filling ropes (3) is covered with a polyester film wrapping layer (4), a water-blocking tape wrapping layer (5) is wrapped outside the polyester film wrapping layer (4), the outer side of the water-blocking tape wrapping layer (5) is further covered with a braided shielding layer (6), the outer side of the braided shielding layer (6) is further wrapped to form a water-blocking tape wrapping reinforcing layer (7), and the outer side of the water-blocking tape wrapping reinforcing layer (7) is covered with an outer sleeve layer (9), and two steel wire strands (8) are embedded in the outer sleeve layer (9).
2. The flexible, waterproof, tensile strength control cable of claim 1, wherein, The soft structure copper stranded conductor (1) is composed of a 5-class soft structure conductor in accordance with GB / T3956-2008.
3. The flexible, waterproof, tensile strength control cable of claim 2, wherein, The water-blocking filling ropes (3) are multiple and uniformly distributed in the gaps between the polyvinyl chloride insulation sleeves (2) and between the polyvinyl chloride insulation sleeves (2) and the polyester film wrapping layer (4).
4. The flexible, waterproof, tensile strength control cable of claim 1, wherein, The pitch of the polyvinyl chloride insulation sleeve (2) and the water-blocking filling rope (3) during the stranding must be controlled to be not greater than 16 times of the stranding outer diameter to ensure the softness of the cable.
5. The flexible, waterproof, tensile strength control cable of claim 1, wherein, The material of the polyester film wrapping layer (4) is a non-hygroscopic tape.
6. The flexible, waterproof, tensile strength control cable of claim 1, wherein, The material of the braided shielding layer (6) is a soft copper wire with a diameter ranging from 0.15mm to 0.2mm, and the braided shielding layer (6) is completed by braiding, and the braiding density is not less than 80%.