CN212161371U - Novel shore power cable for ocean engineering - Google Patents

Abstract

The utility model discloses a novel shore connection cable for ocean engineering, including conductor, cable core, insulation core, insulating layer, interior sheath, enhancement layer, outer sheath, cable, support, slider, screw hole and spout, the inside central point department of cable is provided with the conductor, the inside of conductor is provided with the cable core, it has the insulation core to fill between conductor and the cable core, the conductor outer layer is crowded to be wrapped with the insulating layer, the outside of insulating layer is crowded to be wrapped with interior sheath, the outside of interior sheath is crowded to be wrapped with the enhancement layer, the outside of enhancement layer is provided with the outer sheath; adopt double-deck sheath, improve the resistant bending of cable and resistant performance such as winding, improve the life of cable, the support can play the supporting role, prevents that the phenomenon that fracture, cable warp appear after the cable bending, has prolonged the life of cable, the utility model discloses rational in infrastructure, the resistant bending of cable and resistant performance such as winding are good, cable sheath green, long service life.

Description

Novel shore power cable for ocean engineering

Technical Field

The utility model relates to a power transmission equipment field, concretely relates to novel shore connection cable for ocean engineering.

Background

With the rapid development of the ship industry and ocean engineering, equipment on ships is continuously updated, especially the electrification degree of equipment on ships is higher and higher, the operation of various equipment is driven by electric power, for example, a small and medium-sized ship, if most of the equipment on the ship is started, the total power can reach more than 100 kilowatts, when the ship sails on the sea, the equipment on the ship mainly runs by power generation equipment on the ship to supply the equipment, but when the ship arrives at a port, if the power generation equipment on the ship is used for supplying power, not only energy is wasted, but also the operation of all the equipment cannot be met, so when the ship arrives at the port, shore power supply is generally adopted, namely the shore power supply is connected with a shore power box of the ship or other ship power supplies through a shore power cable to supply power. Traditional shore connection cable generally adopts the marine flexible cable of insulating chloroprene rubber sheath of ethylene propylene rubber to replace shore connection cable to use, and this type of cable is owing to the standard that adopts marine cable, so the sheath thickness is thinner, uses phenomenon such as sheath fracture, wearing and tearing that can appear for a period of time, and the sheath is halogenous material, and is not environmental protection, so need develop a neotype shore connection cable and satisfy the needs of customer and market.

The patent with publication number CN209912525U discloses a marine shore power cable suitable for a shore power system, which has the structure that: the cable core is formed by twisting a main wire core, a ground wire core, a control wire core and an optical cable core; the cable core is sequentially coated with an inner sheath, a woven layer and an outer sheath; the main line core has three, and the structure of every main line core is: the main wire core conductor, the first wrapping layer, the shielding layer, the main wire core insulating layer and the insulating shielding layer are arranged from inside to outside in sequence; the structure of the ground wire core is as follows: the ground core conductor and the ground core semi-conducting layer are arranged from inside to outside in sequence; the structure of the control wire core is as follows: a plurality of control core conductors coated with control core insulating layers are twisted around the central reinforcing member and then coated with a second wrapping layer; the second wrapping layer is wrapped with a metal shielding layer, the metal shielding layer is wrapped with a third wrapping layer, and the third wrapping layer is wrapped with a control core sheath; the structure of the optical cable core is as follows: the optical cable is formed by stranding a plurality of sleeves containing optical fibers around a central reinforcing member and then coating an optical cable sheath; each main wire core in the cable core is isolated by the filling body.

However, in this patent, the cable is bent after a long service life, and cracks and cable deformation are likely to occur after bending, and a solution is provided to solve the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel shore connection cable for ocean engineering, the outside of conductor has set gradually the insulating layer from inside to outside, interior sheath, enhancement layer and outer jacket, adopt double-deck sheath, set up additional strengthening between the sheath, improve the resistant bending of cable and resistant performance such as winding, improve the life of cable, according to the service environment of cable, the sheath adopts and does not have steamed, low cigarette, fire-retardant polyolefin elastomer extrudes, not only satisfy the performance of marine environment, and have and do not have steamed, low cigarette, fire-retardant, characteristics such as wear-resisting, belong to green product.

The utility model discloses the technical problem who solves does:

how to set up an effective mechanism, solve the easy technical problem appearing and cracking, cable deformation after the cable is crooked;

the purpose of the utility model can be realized by the following technical scheme:

a novel shore power cable for ocean engineering comprises a conductor, a cable core, an insulating wire core, an insulating layer, an inner protection layer, a reinforcing layer, an outer protection layer, a cable, a support, a sliding block, screws, screw holes and a sliding groove, wherein the conductor is arranged at the center of the interior of the cable, the cable core is arranged inside the conductor, the insulating wire core is filled between the conductor and the cable core, the insulating layer is extruded on the outer layer of the conductor, the inner protection layer is extruded on the outer side of the insulating layer, the reinforcing layer is extruded on the outer side of the inner protection layer, the outer protection layer is arranged on the outer side of the reinforcing layer, the insulating layer, the inner protection layer, the reinforcing layer and the outer protection layer are sequentially arranged on the outer side of the conductor from inside to outside, the insulating layer is arranged between the conductor and the inner protection layer, the;

one side swing joint of cable has the support, the bolt that the support set up through both ends is connected with the bank, the spout has been seted up on the support, sliding connection has the slider in the spout, the slider is L type metal block, the screw hole has been seted up on the bottom surface of slider, one side of the perpendicular bottom of slider is connected with the cable, the slider is connected with the bank through the screw.

Furthermore, the cable core is formed by twisting three-core insulating wire cores.

Further, the conductor is a soft structure copper conductor.

Furthermore, the insulating layer is formed by extruding ethylene propylene rubber.

Further, the inner protection layer is formed by extruding and wrapping halogen-free flame-retardant elastomer.

Furthermore, the reinforcing layer is formed by weaving high-strength fibers.

Further, the outer protective layer is formed by extruding and wrapping a halogen-free flame-retardant elastomer.

The utility model has the advantages that:

1. the utility model adopts double-layer sheaths, and a reinforcing structure is arranged between the sheaths, thereby improving the performances of bending resistance, bending resistance and the like of the cable and prolonging the service life of the cable;

2. the utility model discloses according to the service environment of cable, the sheath adopts and is had nothing halogen, low cigarette, fire-retardant polyolefin elastomer to extrude, not only satisfies the performance of marine environment, and has characteristics such as no halogen, low cigarette, fire-retardant, wear-resisting, belongs to green product;

3. the utility model discloses the cable is mutually supported with the support, and when the cable used the span longer, the support can play the supporting role, can support the cable of co-altitude not simultaneously, prevents that the phenomenon of fracture, cable deformation from appearing after the cable is crooked, has prolonged the life of cable, has strengthened the price/performance ratio of cable, the cost is reduced.

To sum up, the utility model discloses rational in infrastructure, the resistant bending of cable and resistant performance such as winding are good, cable sheathing green, long service life.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a novel shore power cable for ocean engineering of the present invention;

fig. 2 is a schematic structural view of the bracket of the present invention;

fig. 3 is a top view of the bracket of the present invention.

In the figure: 1. a conductor; 2. a cable core; 3. an insulated wire core; 4. an insulating layer; 5. an inner protective layer; 6. a reinforcing layer; 7. an outer jacket; 8. a cable; 9. a support; 10. a slider; 11. a screw; 12. screw holes; 13. a chute; 14. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model relates to a novel shore power cable for ocean engineering, which comprises a conductor 1, a cable core 2, an insulating core 3, an insulating layer 4, an inner protective layer 5, a reinforcing layer 6, an outer protective layer 7, a cable 8, a bracket 9, a slider 10, a screw 11, a screw hole 12 and a chute 13, wherein the conductor 1 is arranged at the center position inside the cable 8, the cable core 2 is arranged inside the conductor 1, the insulating core 3 is filled between the conductor 1 and the cable core 2, the insulating layer 4 is extruded on the outer layer of the conductor 1, the inner protective layer 5 is extruded on the outer side of the insulating layer 4, the reinforcing layer 6 is extruded on the outer side of the inner protective layer 5, the outer protective layer 7 is arranged on the outer side of the reinforcing layer 6, the insulating layer 4, the inner protective layer 5, the reinforcing layer 6 and the outer protective layer 7 are sequentially arranged on the outer side of the conductor 1 from inside to outside, an inner protective layer 5 is arranged between the insulating layer 4 and the reinforcing layer 6, and the reinforcing layer 6 is arranged between the inner protective layer 5 and the outer protective layer 7;

one side swing joint of cable 8 has support 9, support 9 is connected with the bank through bolt 14 that both ends set up, spout 13 has been seted up on support 9, sliding connection has slider 10 in spout 13, slider 10 is L type metal block, screw hole 12 has been seted up on the bottom surface of slider 10, one side of the perpendicular bottom of slider 10 is connected with cable 8, slider 10 is connected with the bank through screw 11.

Further, the cable core 2 is formed by twisting three-core insulated wire cores.

Further, the conductor 1 is a soft-structured copper conductor.

Further, the insulating layer 4 is formed by extruding ethylene propylene rubber.

Further, the inner protective layer 5 is formed by extruding and wrapping halogen-free flame-retardant elastomer.

Further, the reinforcing layer 6 is formed by weaving high-strength fibers.

Further, the outer protective layer 7 is formed by extruding and wrapping halogen-free flame-retardant elastomer.

The working process of the embodiment is as follows: the outside of conductor 1 has set gradually insulating layer 4 from inside to outside, interior sheath 5, enhancement layer 6 and outer jacket 7, in the cable use, set up support 9 under the cable, support 9 can play the supporting role, prevent to appear the fracture after the cable is crooked, the phenomenon of cable deformation, the inside conductor of cable is soft structure copper conductor, it has insulation core 3 to fill between conductor 1 and the cable core 2, can improve the security performance of cable, spout 13 has been seted up on support 9, slider 10 can height-adjusting in spout 13, all be suitable for during the cable of installation co-altitude, service environment according to the cable, the sheath adopts zero halogen, low smoke, fire-retardant polyolefin elastomer extrudes, not only satisfy marine environment's performance, and have no halogen, low smoke, fire-retardant, characteristics such as wear-resisting, belong to green product.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims (7)

1. The novel shore power cable for ocean engineering is characterized by comprising a conductor (1), a cable core (2), an insulating wire core (3), an insulating layer (4), an inner protective layer (5), a reinforcing layer (6), an outer protective layer (7), a cable (8), a support (9), a slider (10), a screw (11), a screw hole (12) and a sliding groove (13), wherein the conductor (1) is arranged at the center position inside the cable (8), the cable core (2) is arranged inside the conductor (1), the insulating wire core (3) is filled between the conductor (1) and the cable core (2), the insulating layer (4) is extruded on the outer layer of the conductor (1), the inner protective layer (5) is extruded on the outer side of the insulating layer (4), the reinforcing layer (6) is extruded on the outer side of the inner protective layer (5), the outer protective layer (7) is arranged on the outer side of the reinforcing layer (6), the outer side of the conductor (1) is sequentially provided with an insulating layer (4), an inner protective layer (5), a reinforcing layer (6) and an outer protective layer (7) from inside to outside, the insulating layer (4) is arranged between the conductor (1) and the inner protective layer (5), the inner protective layer (5) is arranged between the insulating layer (4) and the reinforcing layer (6), and the reinforcing layer (6) is arranged between the inner protective layer (5) and the outer protective layer (7);

one side swing joint of cable (8) has support (9), bolt (14) that support (9) set up through both ends are connected with the bank, spout (13) have been seted up on support (9), sliding connection has slider (10) in spout (13), slider (10) are L type metal block, screw hole (12) have been seted up on the bottom surface of slider (10), one side of slider (10) perpendicular bottom is connected with cable (8), slider (10) are connected with the bank through screw (11).

2. The shore power cable for ocean engineering according to claim 1, wherein the cable core (2) is a three-core insulated wire core twisted and formed.

3. A new shore power cable for oceanographic engineering according to claim 1, characterized in that said conductor (1) is a soft structured copper conductor.

4. The shore power cable for ocean engineering according to claim 1, wherein the insulating layer (4) is extruded from ethylene propylene rubber.

5. The shore power cable for ocean engineering according to claim 1, wherein the inner sheath (5) is extruded from a halogen-free flame retardant elastomer.

6. The shore power cable for ocean engineering according to claim 1, wherein the reinforcing layer (6) is made of woven high-strength fiber.

7. The shore power cable for ocean engineering according to claim 1, wherein the outer sheath (7) is extruded from a halogen-free flame retardant elastomer.

Images