Wear-resistant energy storage cable structure

Abstract

The utility model discloses a wear-resistant energy storage cable structure, which relates to the field of cables and comprises a cable body, and the cable body comprises wire cores, a cross-linked polyethylene insulating layer, a copper wire shielding layer, a polyethylene flame-retardant layer, a polyurethane resin inner side wear-resistant layer and a chlorinated polyethylene outer side wear-resistant layer. According to the utility model, through the arrangement of the polyurethane resin inner side wear-resistant layer, the chlorinated polyethylene outer side wear-resistant layer, the nylon rope, the first protection plate, the second protection plate, the wear-resistant ball body, the limiting fixing plate and the fixing bolt, when the cable needs to be pulled and laid, the wear-resistant ball body firstly contacts with the ground; as the exterior of the wear-resistant ball is rotatably connected with the interiors of the first protection plate and the second protection plate, the wear-resistant ball can rotate under the dragging force, the contact area between the chlorinated polyethylene outer side wear-resistant layer and the ground is reduced, the wear of the chlorinated polyethylene outer side wear-resistant layer is reduced, and the wear-resistant effect of the cable is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable field especially relates to a wear -resisting energy storage cable structure. BACKGROUND

[0002] The energy storage cable refers to the DC side connecting cable connected between the battery cluster, the battery cluster and the converter, which is suitable for the connection between the battery modules of the DC side in the power energy storage system, the battery cluster, the battery cluster and the bus box or the battery cluster and the energy storage converter, and is an indispensable part of the energy storage system.

[0003] When laying the cable, the cable usually rubs with the ground, which easily causes the outer protective layer of the cable to be worn due to the large friction force, resulting in the problem of the rupture of the cable, thereby affecting the normal use of the cable and reducing the service life of the cable. Therefore, it is necessary to provide a wear-resistant energy storage cable structure to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model discloses a wear-resistant energy storage cable structure to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a wear-resistant energy storage cable structure, including the cable body, the cable body includes the core, cross -linked polyethylene insulation layer, copper wire shielding layer, polyethylene flame -retardant layer, polyurethane resin inside wear -resisting layer and chlorinated polyethylene outside wear -resisting layer;

[0006] The cross -linked polyethylene insulation layer is arranged at the outside of the core, the copper wire shielding layer is arranged at the outside of the cross -linked polyethylene insulation layer, the polyethylene flame -retardant layer is arranged at the outside of the copper wire shielding layer, the polyurethane resin inside wear -resisting layer is arranged at the outside of the polyethylene flame -retardant layer, and the chlorinated polyethylene outside wear -resisting layer is arranged at the outside of the polyurethane resin inside wear -resisting layer;

[0007] The outside of the cable body is provided with wear -resisting assembly, and the wear -resisting assembly includes a protective plate, a protective plate, a wear -resisting ball, a limiting fixed plate and a fixed bolt;

[0008] The protective plate and the protective plate are all sleeved at the outside of the cable body, the outside of the wear -resisting ball is rotationally connected with the inside of the protective plate, the outside of the fixed bolt is inserted with the inside of the limiting fixed plate, and the outside of the fixed bolt is screwedly connected with the inside of the protective plate.

[0009] Preferably, the wear -resisting assembly is provided with multiple groups, and the multiple groups of wear -resisting assemblies are evenly distributed at the outside of the cable body.

[0010] Preferably, the shape of the protective plate and the protective plate is semicircular arc.

[0011] Preferably, the number of wear-resistant balls is multiple, and the multiple wear-resistant balls are uniformly distributed outside the first protective plate and the second protective plate.

[0012] Preferably, the inside of the chlorinated polyethylene outer wear-resistant layer is provided with nylon ropes.

[0013] The number of nylon ropes is multiple, and the multiple nylon ropes are uniformly distributed inside the chlorinated polyethylene outer wear-resistant layer.

[0014] The technical effects and advantages of the utility model are as follows:

[0015] By setting the polyurethane resin inside wear-resistant layer, the chlorinated polyethylene outer wear-resistant layer, the nylon rope, the first protective plate, the second protective plate, the wear-resistant ball, the limiting fixed plate and the fixed bolt, when the cable is used, first, the fixed bolt is used to fix the first protective plate and the second protective plate firmly outside the cable body through the limiting fixed plate, when the cable needs to be pulled and laid, the wear-resistant ball will first contact the ground, because the outside of the wear-resistant ball is rotationally connected with the inside of the first protective plate and the second protective plate, the wear-resistant ball will rotate under the drag force, reducing the contact area of the chlorinated polyethylene outer wear-resistant layer with the ground, thereby reducing the wear of the chlorinated polyethylene outer wear-resistant layer, improving the wear resistance of the cable; and because the polyurethane resin and the chlorinated polyethylene have excellent wear resistance and tear resistance, the wear resistance of the cable body is further improved, through the design of the double-layer wear-resistant layer, even if the chlorinated polyethylene outer wear-resistant layer is worn out for a long time, the polyurethane resin inside wear-resistant layer can also ensure the normal use of the cable body, which brings convenience for the use of the cable body. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a front view of the wear-resistant energy storage cable structure in the utility model.

[0017] Fig. 2 It is a side view of the wear-resistant energy storage cable structure in the utility model.

[0018] Fig. 3 It is a structure schematic view of the wear-resistant assembly in the utility model.

[0019] In the drawing: 1, core; 2, crosslinked polyethylene insulation layer; 3, copper wire shielding layer; 4, polyethylene flame-retardant layer; 5, polyurethane resin inside wear-resistant layer; 6, chlorinated polyethylene outer wear-resistant layer; 7, nylon rope; 8, first protective plate; 9, second protective plate; 10, wear-resistant ball; 11, limiting fixed plate; 12, fixed bolt. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described 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 of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0021] The utility model provides a kind of wear-resistant energy storage cable structure as shown in Figs. 1-3 As shown in the wear-resistant energy storage cable structure, the cable body includes a core 1, a cross-linked polyethylene insulation layer 2, a copper wire shielding layer 3, a polyethylene flame-retardant layer 4, a polyurethane resin inside wear-resistant layer 5 and a chlorinated polyethylene outside wear-resistant layer 6. The cross-linked polyethylene insulation layer 2 is arranged outside the core 1, the copper wire shielding layer 3 is arranged outside the cross-linked polyethylene insulation layer 2, the polyethylene flame-retardant layer 4 is arranged outside the copper wire shielding layer 3, the polyurethane resin inside wear-resistant layer 5 is arranged outside the polyethylene flame-retardant layer 4, and the chlorinated polyethylene outside wear-resistant layer 6 is arranged outside the polyurethane resin inside wear-resistant layer 5.

[0022] Among them, the inside of the chlorinated polyethylene outside wear-resistant layer 6 is provided with nylon ropes 7, the number of nylon ropes 7 is multiple, and the multiple nylon ropes 7 are evenly distributed inside the chlorinated polyethylene outside wear-resistant layer 6. Since polyurethane resin and chlorinated polyethylene have excellent wear resistance and tear resistance, the wear resistance of the cable body is further improved. Since the nylon rope 7 has excellent tensile effect, the multiple nylon ropes 7 are evenly distributed inside the chlorinated polyethylene outside wear-resistant layer 6, which can further improve the tensile effect of the chlorinated polyethylene outside wear-resistant layer 6. And through the design of double wear-resistant layers, even if the chlorinated polyethylene outside wear-resistant layer 6 is worn out for a long time, the polyurethane resin inside wear-resistant layer 5 can also ensure the normal use of the cable body, which brings convenience to the use of the cable body.

[0023] In addition, the outer part of the cable body is provided with wear-resistant assemblies, the wear-resistant assemblies are provided in multiple groups, and the multiple wear-resistant assemblies are uniformly distributed on the outer part of the cable body, the wear-resistant assemblies comprise a first protective plate 8, a second protective plate 9, wear-resistant spherical bodies 10, a limiting fixing plate 11 and fixing bolts 12, the first protective plate 8 and the second protective plate 9 are sleeved on the outer part of the cable body, the outer part of the wear-resistant spherical bodies 10 is rotationally connected with the inner part of the first protective plate 8, the outer part of the fixing bolts 12 is inserted into the inner part of the limiting fixing plate 11, and the outer part of the fixing bolts 12 is threadedly connected with the inner part of the second protective plate 9, the first protective plate 8 and the second protective plate 9 are both semicircular in shape, the wear-resistant spherical bodies 10 are provided in multiple numbers, and the multiple wear-resistant spherical bodies are uniformly distributed on the outer part of the first protective plate 8 and the second protective plate 9. When the cable is used, the first protective plate 8 and the second protective plate 9 can be fixed on the outer part of the cable body by the limiting fixing plate 11 and the fixing bolts 12, when the cable needs to be pulled and laid, the wear-resistant spherical bodies 10 will first contact the ground, because the outer part of the wear-resistant spherical bodies 10 is rotationally connected with the inner part of the first protective plate 8 and the second protective plate 9, the wear-resistant spherical bodies 10 will rotate under the dragging force, the contact area of the outer wear-resistant layer 6 of the chlorinated polyethylene with the ground is reduced, the wear of the outer wear-resistant layer 6 of the chlorinated polyethylene is reduced, and the wear resistance of the cable is improved.

[0024] Working principle: when the cable is laid, the first protective plate 8 and the second protective plate 9 can be fixed on the outer part of the cable body by the limiting fixing plate 11 and the fixing bolts 12, when the cable needs to be pulled and laid, the wear-resistant spherical bodies 10 will first contact the ground, because the outer part of the wear-resistant spherical bodies 10 is rotationally connected with the inner part of the first protective plate 8 and the second protective plate 9, the wear-resistant spherical bodies 10 will rotate under the dragging force, the contact area of the outer wear-resistant layer 6 of the chlorinated polyethylene with the ground is reduced, the wear of the outer wear-resistant layer 6 of the chlorinated polyethylene is reduced, and the wear resistance of the cable is improved, because the polyurethane resin and the chlorinated polyethylene both have excellent wear resistance and tear resistance, the wear resistance of the cable body is further improved, because the nylon ropes 7 have excellent tensile effect, the multiple nylon ropes 7 are uniformly distributed in the inner part of the outer wear-resistant layer 6 of the chlorinated polyethylene, the tensile effect of the outer wear-resistant layer 6 of the chlorinated polyethylene can be further improved, and through the design of the double-layer wear-resistant layer, even if the outer wear-resistant layer 6 of the chlorinated polyethylene is worn out for a long time, the inner wear-resistant layer 5 of the polyurethane resin can also ensure the normal use of the cable body, which brings convenience for the use of the cable body.

Claims

1. A wear resistant energy storage cable structure comprising a cable body, characterized by: The cable body comprises a core (1), a cross-linked polyethylene insulation layer (2), a copper wire shielding layer (3), a polyethylene flame-retardant layer (4), a polyurethane resin inner wear-resistant layer (5) and a chlorinated polyethylene outer wear-resistant layer (6); The cross-linked polyethylene insulation layer (2) is arranged outside the core (1), the copper wire shielding layer (3) is arranged outside the cross-linked polyethylene insulation layer (2), the polyethylene flame-retardant layer (4) is arranged outside the copper wire shielding layer (3), the polyurethane resin inner wear-resistant layer (5) is arranged outside the polyethylene flame-retardant layer (4), and the chlorinated polyethylene outer wear-resistant layer (6) is arranged outside the polyurethane resin inner wear-resistant layer (5); The outer part of the cable body is provided with a wear-resistant assembly, and the wear-resistant assembly comprises a first protective plate (8), a second protective plate (9), a wear-resistant spherical body (10), a limiting fixed plate (11) and a fixed bolt (12); The first protective plate (8) and the second protective plate (9) are sleeved on the outer part of the cable body, the outer part of the wear-resistant spherical body (10) is rotationally connected with the inner part of the first protective plate (8), the outer part of the fixed bolt (12) is inserted into the inner part of the limiting fixed plate (11), and the outer part of the fixed bolt (12) is threadedly connected with the inner part of the second protective plate (9).

2. A wear resistant energy storage cable structure according to claim 1, characterized in that: The wear-resistant assembly is provided with multiple groups, and the multiple groups of wear-resistant assemblies are uniformly distributed on the outer part of the cable body.

3. A wear resistant energy storage cable structure according to claim 1, characterized in that: The first protective plate (8) and the second protective plate (9) are both semicircular in shape.

4. A wear resistant energy storage cable structure according to claim 1, characterized in that: The wear-resistant spherical body (10) is provided with multiple groups, and the multiple groups of wear-resistant spherical bodies (10) are uniformly distributed on the outer part of the first protective plate (8) and the second protective plate (9).

5. A wear resistant energy storage cable structure according to claim 1, characterized in that: The inner part of the chlorinated polyethylene outer wear-resistant layer (6) is provided with a nylon rope (7); The nylon rope (7) is provided with multiple groups, and the multiple groups of nylon ropes (7) are uniformly distributed in the inner part of the chlorinated polyethylene outer wear-resistant layer (6).

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