Anti-freezing overhead insulated cable
By adopting a combination structure such as wear-resistant protective sleeve, cold-resistant protective layer and phenolic foam block in overhead insulated cables, the problem of difficulty in operating the cable in low-temperature environments is solved, and good anti-freeze, cold and wear resistance and wear resistance are achieved.
Patent Information
- Application Number
- CN202420979803.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-08
AI Technical Summary
The existing overhead insulated cables are difficult to operate normally due to the low internal temperature in the northern winter environment, and the anti-freezing and cold resistance is poor.
Wear-resistant protective sleeves and cold-resistant protective layer are used, phenolic foam blocks and armored layers are bonded on the inside, and left and right guards are set on the outside. Through articulation and movable connection, arc-shaped card plates and push blocks are added to match limit cards. blocks to form an anti-freeze and cold-resistant structure.
It significantly improves the anti-freezing and cold resistance of the cable, ensures normal operation in low-temperature environments, and provides better wear-resistant protection and thermal insulation.
Smart Images
Figure CN222213793U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of overhead insulated cables, in particular to an antifreeze overhead insulated cable. Background Art
[0002] Overhead cable (full name: overhead insulated cable) is an overhead conductor equipped with an insulating layer and a protective sheath. It is a special cable manufactured using a production process similar to that of cross-linked cables. It is a new way of transmitting electricity between overhead conductors and underground cables. Overhead cables are all single-core. According to their different structures, they can be divided into hard aluminum wire structure, hard drawn copper wire structure, aluminum alloy wire structure, steel core or aluminum alloy core support structure and self-supporting three-core composite structure (the wire core can be hard aluminum or hard copper wire). It has the main characteristics of high power supply reliability, good power supply safety, convenient installation and maintenance, and reasonable economy.
[0003] At present, the existing overhead insulated cables have poor antifreeze and cold resistance effects, and when the temperature inside the cable is low, its internal structure cannot work normally, making it difficult for the equipment to operate normally in the harsh environment of northern winter. For this reason, we propose an antifreeze overhead insulated cable. Utility Model Content
[0004] The purpose of the utility model is to provide an antifreeze overhead insulated cable, which has the advantage of good antifreeze and cold resistance, and solves the problem that the existing overhead insulated cables have poor antifreeze and cold resistance, and the internal structure of the cable cannot work normally when the internal temperature of the cable is low, resulting in the equipment being difficult to operate normally in the harsh environment of northern winter.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an antifreeze overhead insulated cable, comprising a wear-resistant protective sleeve, a cold-resistant protective layer bonded to the inner side of the wear-resistant protective sleeve, a left protective shell is arranged on the outer side of the wear-resistant protective sleeve, one end of the left protective shell is connected to the right protective shell by a hinged movement, phenolic foam blocks are bonded to the inner sides of the left and right protective shells, an arc-shaped clamping plate is arranged at the lower end of the right protective shell, a clamping portion is arranged at one end of the arc-shaped clamping plate, a push block is arranged at the bottom of the arc-shaped clamping plate, a groove is opened at the middle end of the bottom of the right protective shell, and a limiting clamping block is arranged on one side of the inner cavity of the groove.
[0006] Preferably, an armor layer is bonded to the inner side of the cold-resistant protective layer, and a reinforcing core, a filler and a cable core are arranged on the inner side of the armor layer.
[0007] Preferably, the material of the cold-resistant protective layer is silicone rubber, and the material of the wear-resistant protective sleeve is chloroprene rubber.
[0008] Preferably, the phenolic foam block is an arc-shaped structure, and the phenolic foam block and the wear-resistant protective sleeve are fitted together.
[0009] Preferably, the arc-shaped clamping plate is matched with the groove, and the arc-shaped clamping plate is inserted into the inner side of the groove.
[0010] Preferably, the longitudinal section of the limit block is a right triangle.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0012] The exterior of the utility model adopts thicker cold-resistant material, which can improve the antifreeze and cold-resistant performance of the cable. After further protection and thermal insulation materials are added to the exterior, it has good antifreeze and cold-resistant effects, is easy to use, and has superior performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the structure of the utility model from the first perspective;
[0014] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;
[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model from a third viewing angle;
[0016] Figure 4 This is an enlarged structural diagram of point A of the utility model.
[0017] In the figure: 1. Wear-resistant protective cover; 2. Cold-resistant protective layer; 3. Reinforced core; 4. Filler; 5. Cable core; 6. Armor layer; 7. Phenolic foam block; 8. Left protective shell; 9. Right protective shell; 10. Arc-shaped clamping plate; 11. Push block; 12. Groove; 13. Clamping part; 14. Limit clamping block. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0021] The wear-resistant protective cover 1, cold-resistant protective layer 2, reinforced core 3, filler 4, cable core 5, armor layer 6, phenolic foam block 7, left protective shell 8, right protective shell 9, arc-shaped clamping plate 10, push block 11, groove 12, clamping part 13 and limit clamping block 14 components of the present application are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.
[0022] See also Figure 1-4 A freeze-proof overhead insulated cable comprises a wear-resistant protective sleeve 1, an anti-cold protective layer 2 is bonded to the inner side of the wear-resistant protective sleeve 1, a left protective shell 8 is arranged on the outer side of the wear-resistant protective sleeve 1, one end of the left protective shell 8 is connected to the right protective shell 9 through a hinged movement, phenolic foam blocks 7 are bonded to the inner sides of the left protective shell 8 and the right protective shell 9, an arc-shaped card plate 10 is arranged at the lower end of the right protective shell 9, a clamping portion 13 is arranged at one end of the arc-shaped card plate 10, a push block 11 is arranged at the bottom of the arc-shaped card plate 10, a groove 12 is opened at the middle end of the bottom of the right protective shell 9, and a limiting block 14 is arranged on one side of the inner cavity of the groove 12.
[0023] An armor layer 6 is bonded to the inner side of the cold-resistant protective layer 2 , and a reinforcing core 3 , a filler 4 and a cable core 5 are arranged on the inner side of the armor layer 6 .
[0024] Through the above technical solution, the inherent strength of the cable is improved by arranging the reinforced core 3 and the armor layer 6.
[0025] The material of the cold-resistant protective layer 2 is silicone rubber, and the material of the wear-resistant protective cover 1 is chloroprene rubber.
[0026] Through the above technical scheme, the cold-resistant protective layer 2 and the wear-resistant protective sleeve 1 are provided to improve the cold-resistant and wear-resistant performance of the cable.
[0027] The phenolic foam block 7 is an arc-shaped structure, and the phenolic foam block 7 and the wear-resistant protective sleeve 1 are fitted together.
[0028] Through the above technical solution, the phenolic foam block 7 is provided to provide heat preservation and cold resistance protection for the cable.
[0029] The arc-shaped clamping plate 10 is matched with the groove 12 , and the arc-shaped clamping plate 10 is inserted into the inner side of the groove 12 .
[0030] Through the above technical solution, the arc-shaped clamping plate 10 is provided, and after cooperating with the limiting clamping block 14, the clamping and positioning between the left protective shell 8 and the right protective shell 9 can be achieved.
[0031] The longitudinal section of the limiting block 14 is a right triangle.
[0032] When in use, the anti-freeze and cold-resistant ability of the cable itself is improved by the setting of the cold-resistant protective layer 2, and the wear-resistant protective sleeve 1 can provide wear-resistant protection for the surface of the cable. Then, with the assistance of the hinge, the left protective shell 8 and the right protective shell 9 are placed on the outside of the wear-resistant protective sleeve 1. When the arc-shaped card plate 10 enters the groove 12, the phenolic foam block 7 can fit the outer surface of the wear-resistant protective sleeve 1. After the arc-shaped card plate 10 is deformed and the clamping part 13 passes over the limiting block 14, the clamping positioning of the left protective shell 8 and the right protective shell 9 can be achieved. The setting of the left protective shell 8, the right protective shell 9 and the phenolic foam block 7 can further prevent freezing and cold for the cable to a great extent, and ensure the normal use of the cable. The setting of the push block 11 facilitates the clamping part 13 to exit the clamping state with the limiting block 14, so as to realize the disassembly of the left protective shell 8 and the right protective shell 9.
[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A freeze-proof overhead insulated cable, comprising a wear-resistant protective sleeve (1), characterized in that: The inner side of the wear-resistant protective sleeve (1) is bonded with a cold-resistant protective layer (2), the outer side of the wear-resistant protective sleeve (1) is provided with a left protective shell (8), one end of the left protective shell (8) is connected to the right protective shell (9) by hinged movement, the inner sides of the left protective shell (8) and the right protective shell (9) are bonded with phenolic foam blocks (7), the lower end of the right protective shell (9) is provided with an arc-shaped card plate (10), one end of the arc-shaped card plate (10) is provided with a clamping portion (13), the bottom of the arc-shaped card plate (10) is provided with a push block (11), the middle end of the bottom of the right protective shell (9) is provided with a groove (12), and a limiting block (14) is provided on one side of the inner cavity of the groove (12).
2. The antifreeze overhead insulated cable according to claim 1, characterized in that: An armor layer (6) is bonded to the inner side of the cold-resistant protective layer (2), and a reinforcing core (3), a filler (4) and a cable core (5) are arranged on the inner side of the armor layer (6).
3. The antifreeze overhead insulated cable according to claim 1, characterized in that: The material of the cold-resistant protective layer (2) is silicone rubber, and the material of the wear-resistant protective sleeve (1) is chloroprene rubber.
4. The antifreeze overhead insulated cable according to claim 1, characterized in that: The phenolic foam block (7) is an arc-shaped structure, and the phenolic foam block (7) and the wear-resistant protective sleeve (1) are fitted together.
5. The antifreeze overhead insulated cable according to claim 1, characterized in that: The arc-shaped clamping plate (10) and the groove (12) are matched, and the arc-shaped clamping plate (10) is inserted into the inner side of the groove (12).
6. The antifreeze overhead insulated cable according to claim 1, characterized in that: The longitudinal section of the limiting block (14) is a right triangle.