High-temperature-resistant bending-resistant medium-voltage cable

Abstract

The utility model relates to the technical field of cables, and discloses a high-temperature-resistant bending-resistant medium-voltage cable, which comprises a cable body I. The periphery of one end of the cable body I is fixedly connected with a fixing sleeve, the inside of the fixing sleeve is fixedly connected with a cable body II, and the periphery of the fixing sleeve is slidably connected with a mounting shell I and a mounting shell II respectively. Connecting shells are fixedly connected to the left side and the right side of the first mounting shell and the left side and the right side of the second mounting shell correspondingly, first connecting blocks are fixedly connected to the front side and the rear side of the periphery of the first mounting shell correspondingly, second connecting blocks are fixedly connected to the front side and the rear side of the periphery of the second mounting shell correspondingly, and the first connecting blocks are in threaded connection with the second connecting blocks. According to the utility model, the inner walls of the first mounting shell and the second mounting shell are tightly attached to the fixing sleeve, the fixing sleeve is connected with the first cable body and the second cable body, and the connecting shell is clamped in the clamping groove, so that fixed mounting of the first cable body and the second cable body is realized, and the situation of electric leakage caused by unstable mounting is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a high-temperature resistant and bending-resistant medium-voltage cable. Background Art

[0002] As an important component of power transmission and industrial applications, medium-voltage cables offer advantages in terms of efficient energy transmission, safety, reliability, economy, and environmental protection. They can provide efficient and low-loss energy transmission solutions and support long-distance and large-capacity power transmission needs.

[0003] High-temperature and bend-resistant medium-voltage cables can operate stably in high-temperature environments and are not easily damaged or degraded by temperature. They are suitable for applications that require power or data transmission in high-temperature environments. Medium-voltage cables must withstand certain mechanical bending and stretching during installation and use. Cables with a bend-resistant structural design can provide excellent flexibility and durability while reducing the risk of damage.

[0004] The existing high-temperature resistant and bend-resistant medium-voltage cables are not easy to install, which makes subsequent maintenance and troubleshooting more difficult, resulting in increased difficulty and time cost for future maintenance and repair. Therefore, a high-temperature resistant and bend-resistant medium-voltage cable is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a high-temperature resistant and bending-resistant medium-voltage cable, aiming to improve the problem of increased difficulty in maintenance and repair caused by the inconvenience of installation in the prior art.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A high-temperature resistant and bend-resistant medium-voltage cable comprises a cable body 1, wherein the outer periphery of one end of the cable body 1 is fixedly connected to a fixing sleeve, the interior of the fixing sleeve is fixedly connected to a cable body 2, the outer periphery of the fixing sleeve is slidably connected to a mounting shell 1 and a mounting shell 2, respectively, the left and right sides of the mounting shell 1 and the mounting shell 2 are fixedly connected to a connecting shell, the front and rear sides of the outer periphery of the mounting shell 1 are fixedly connected to a connecting block 1, the front and rear sides of the outer periphery of the mounting shell 2 are fixedly connected to a connecting block 2, the connecting block 1 is threadedly connected to the connecting block 2, and the interiors of the cable body 1 and the cable body 2 are both provided with a protective component, the protective component enables the cable body 1 and the cable body 2 to have high-temperature resistance and bend resistance properties;

[0008] As a further description of the above technical solution:

[0009] The protective component includes an outer sheath, the inner part of the cable body 1 and the cable body 2 is covered on the outer periphery of the outer sheath, the inner wall of the outer sheath is covered with a metal sheath, the inner wall of the metal sheath is covered with a shielding layer, a plurality of evenly distributed cable cores are arranged inside the shielding layer, and a plurality of evenly distributed fillers are arranged between the shielding layer and the cable cores;

[0010] As a further description of the above technical solution:

[0011] Filling material is filled between the plurality of cable cores;

[0012] As a further description of the above technical solution:

[0013] A slot is provided in one end of the cable body 1 and the cable body 2 facing each other, and the connecting shell is slidably connected in the slot;

[0014] As a further description of the above technical solution:

[0015] The first and second mounting shells are both provided with grooves, and the fixing sleeves are slidably connected to the grooves;

[0016] As a further description of the above technical solution:

[0017] An insulating layer is provided on the outer periphery of the cable core, and the insulating layer is made of cross-linked polyethylene;

[0018] As a further description of the above technical solution:

[0019] The metal sheath is made of aluminum alloy;

[0020] As a further description of the above technical solution:

[0021] The outer sheath is made of silicone rubber.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the present invention, when the fixing sleeve connects the cable body 1 and the cable body 2, the grooves provided inside the mounting shell 1 and the mounting shell 2 are clamped on the outer periphery of the fixing sleeve. At the same time, the connecting shells on the left and right sides of the mounting shell 1 and the mounting shell 2 slide into the clamping grooves provided inside the cable body 1 and the cable body 2 for position limiting. Then, the two connecting blocks 1 and the two connecting blocks 2 are tightened, so that the inner walls of the mounting shell 1 and the mounting shell 2 are tightly attached to the outer periphery of the fixing sleeve to achieve a fixing effect.

[0024] 2. In the present invention, the cable body 1 and the cable body 2 are composed of a cable core, an insulating layer, a filler, a filler, a shielding layer, a metal sheath and an outer sheath. The cooperation of the insulating layer, the filler, the shielding layer, the metal sheath and the outer sheath makes the cable body 1 and the cable body 2 more resistant to high temperature and anti-bending. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a high-temperature resistant and bending-resistant medium-voltage cable proposed by the utility model;

[0026] Figure 2 This is a structural schematic diagram of a fixing sleeve for a high-temperature resistant and bending-resistant medium-voltage cable proposed in the utility model;

[0027] Figure 3 This is a structural schematic diagram of a mounting housing for a high-temperature resistant and bending-resistant medium-voltage cable proposed in the present invention;

[0028] Figure 4 This is a structural schematic diagram of a cable body 1 of a high-temperature resistant and bending-resistant medium-voltage cable proposed by the present invention.

[0029] Legend:

[0030] 1. Cable body 1; 2. Cable body 2; 3. Mounting shell 1; 4. Connecting shell; 5. Outer sheath; 6. Connecting block 1; 7. Mounting shell 2; 8. Connecting block 2; 9. Metal sheath; 10. Slot; 11. Fixing sleeve; 12. Groove; 13. Cable core; 14. Filler; 15. Filling material; 16. Shielding layer. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1 、 Figure 2 and Figure 3The utility model provides an embodiment: a high temperature resistant and anti-bending medium voltage cable, including a cable body 1, the cable body 1 is used for long-distance power transmission and large-capacity power transmission, the outer periphery of the cable body 1 is fixedly connected with a fixing sleeve 11, the inner periphery of the fixing sleeve 11 is fixedly connected with the cable body 2, the fixing sleeve 11 is used to connect the cable body 1 and the cable body 2, the outer periphery of the fixing sleeve 11 is respectively slidably connected with the installation shell 13 and the installation shell 27, the installation shell 13 and the installation shell 27 are used to fix the cable body 1 and the cable The main body 2 is fixed to prevent displacement, and the left and right sides of the mounting shell 1 3 and the mounting shell 2 7 are fixedly connected with the connecting shell 4. The connecting shell 4 is used to limit the cable body 1 and the cable body 2 2 to prevent sliding. The front and rear sides of the outer periphery of the mounting shell 1 3 are fixedly connected with the connecting block 1 6, and the front and rear sides of the outer periphery of the mounting shell 2 7 are fixedly connected with the connecting block 2 8. The connecting block 1 6 is threadedly connected to the connecting block 2 8. The threaded connection between the connecting block 1 6 and the connecting block 2 8 can make the inner walls of the mounting shell 1 3 and the mounting shell 2 7 close to the outer periphery of the fixing sleeve 11.

[0033] Reference Figure 1-Figure 4 , both the cable body 1 and the cable body 2 are provided with protective components, which make the cable body 1 and the cable body 2 have high temperature resistance and bending resistance. The protective components include an outer sheath 5, which is used to protect the entire medium voltage cable from the influence of the external environment. The cable body 1 and the cable body 2 are covered on the outer periphery of the outer sheath 5. The inner wall of the outer sheath 5 is covered with a metal sheath 9, which is used to provide mechanical protection and protection. The inner wall of the metal sheath 9 is covered with a shielding layer 16, which can enhance the shielding performance. A plurality of evenly distributed cable cores 13 are arranged inside the shielding layer 16. The cable core 13 is the core structure inside the cable body 1 and is used to carry current and transmit signals. A plurality of evenly distributed fillers 14 are arranged between the shielding layer 16 and the cable core 13, and the filler 14 is used to protect and fix the structure of the cable body 1.

[0034] Reference Figure 2 、 Figure 3 and Figure 4, fillers 15 are filled between multiple cable cores 13, and the fillers 15 can fill the gaps between the multiple cable cores 13, which helps to make them flame retardant and pressure resistant. A card slot 10 is opened inside the opposite end of the cable body 1 and the cable body 2 2, and the connecting shell 4 is slidably connected inside the card slot 10. The connecting shell 4 slides inside the card slot 10 to limit the cable body 1 and the cable body 2 2. A groove 12 is opened inside the installation shell 1 3 and the installation shell 2 7, and the fixing sleeve 11 is slidably connected inside the groove 12, so that the installation shell 1 3 and the installation shell 2 7 can be fixed tightly against the outer periphery of the fixing sleeve 11. An insulating layer is provided on the periphery of the cable core 13, and the insulating layer is made of cross-linked polyethylene, which can help maintain stability at higher temperatures. The metal sheath 9 is made of aluminum alloy, which can provide mechanical protection and electromagnetic shielding. The outer sheath 5 is made of silicone rubber, which has excellent high temperature resistance and is more suitable for high temperature environments.

[0035] Working principle: When it is necessary to connect the cable body 1 and the cable body 2, the fixing sleeve 11 is fixed on the outer periphery of the cable body 1 and the cable body 2 to connect them, and then the installation shell 1 3 and the installation shell 2 7 are clamped on the outer periphery of the fixing sleeve 11, so that the outer periphery of the fixing sleeve 11 slides inside the groove 12, and at the same time, the connection shells 4 on the left and right sides of the installation shell 1 3 and the installation shell 2 7 slide in the card slots 10 opened inside the cable body 1 and the cable body 2, and the cable body 1 and the cable body 2 are connected. Limit to prevent deviation, and finally tighten the two connecting blocks 1 6 and the two connecting blocks 2 8 so that the inner walls of the mounting shell 1 3 and the mounting shell 2 7 are tightly attached to the outer periphery of the fixing sleeve 11, and at the same time, the connecting shell 4 is clamped inside the card slot 10, thereby achieving the effect of fixed connection. The cable body 1 and the cable body 2 2 are composed of a cable core 13, an insulating layer, a filler 15, a filler 14, a shielding layer 16, a metal sheath 9 and an outer sheath 5, so that the cable body 1 and the cable body 2 2 have better high temperature resistance and bending resistance.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high temperature resistant and bending resistant medium voltage cable, comprising a cable body (1), characterized in that: The outer periphery of one end of the cable body 1 (1) is fixedly connected with a fixing sleeve (11), the inner periphery of the fixing sleeve (11) is fixedly connected with the cable body 2 (2), the outer periphery of the fixing sleeve (11) is slidably connected with the mounting shell 1 (3) and the mounting shell 2 (7), the left and right sides of the mounting shell 1 (3) and the mounting shell 2 (7) are fixedly connected with the connecting shell (4), the outer periphery of the mounting shell 1 (3) is fixedly connected with the connecting block 1 (6), the outer periphery of the mounting shell 2 (7) is fixedly connected with the connecting block 2 (8), the connecting block 1 (6) and the connecting block 2 (8) are threadedly connected, and the inner periphery of the cable body 1 (1) and the cable body 2 (2) are both provided with a protective component, and the protective component enables the cable body 1 (1) and the cable body 2 (2) to have high temperature resistance and bending resistance.

2. The high temperature resistant and bend resistant medium voltage cable according to claim 1, characterized in that: The protective component comprises an outer sheath (5), the cable body 1 (1) and the cable body 2 (2) are internally covered on the outer periphery of the outer sheath (5), the inner wall of the outer sheath (5) is covered with a metal sheath (9), the inner wall of the metal sheath (9) is covered with a shielding layer (16), a plurality of evenly distributed cable cores (13) are arranged inside the shielding layer (16), and a plurality of evenly distributed fillers (14) are arranged between the shielding layer (16) and the cable core (13).

3. The high temperature resistant and bend resistant medium voltage cable according to claim 2, characterized in that: Filling material (15) is filled between the plurality of cable cores (13).

4. The high temperature resistant and bending resistant medium voltage cable according to claim 1, characterized in that: A card slot (10) is provided inside one end of the cable body 1 (1) and the cable body 2 (2) facing each other, and the connecting shell (4) is slidably connected inside the card slot (10).

5. The high temperature resistant and bend resistant medium voltage cable according to claim 1, characterized in that: A groove (12) is provided inside the first mounting shell (3) and the second mounting shell (7), and the fixing sleeve (11) is slidably connected inside the groove (12).

6. The high temperature resistant and bend resistant medium voltage cable according to claim 2, characterized in that: An insulating layer is provided on the outer periphery of the cable core (13), and the insulating layer is made of cross-linked polyethylene.

7. The high temperature resistant and bend resistant medium voltage cable according to claim 2, characterized in that: The metal sheath (9) is made of aluminum alloy.

8. The high temperature resistant and bend resistant medium voltage cable according to claim 2, characterized in that: The outer sheath (5) is made of silicone rubber.

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