CN213339803U

CN213339803U - Tensile fireproof flame-retardant power cable

Info

Publication number: CN213339803U
Application number: CN202022009465.7U
Authority: CN
Inventors: 周鹏; 骆志平; 吴忠伟; 陈东
Original assignee: Wuxi Dengfeng Cable Co ltd
Current assignee: Wuxi Dengfeng Cable Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-06-01
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a fire-retardant power cable of tensile type fire prevention belongs to cable technical field. A tensile fireproof flame-retardant power cable comprises a first cable, wherein a first protection plate is movably connected to the upper surface of the first cable, a first hinge is fixedly connected to one side of the first protection plate, a second protection plate is fixedly mounted at the bottom of the first hinge, and a first screw is in threaded connection with the top of the second protection plate; the utility model discloses, set up first guard plate and second guard plate in the one end of first cable conductor surface, wrap up the one end of first cable conductor, press from both sides tight first cable conductor with first screw, prevent not hard up, reuse third guard plate and fourth guard plate wrap up second cable conductor one end, press from both sides tight second cable conductor with the second screw, set up first hinge and second hinge and conveniently connect the guard plate, inject the connecting block on the second buckle in the draw-in groove of first buckle at last, couple together the guard plate.

Description

Tensile fireproof flame-retardant power cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a fire-retardant power cable of tensile type fire prevention.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. The power cable is a cable product used for transmitting and distributing high-power electric energy in a main line of a power system, and comprises various voltage grades of 1-500KV and above, and various insulated power cables which can be divided into medium-voltage power cables, low-voltage power cables, high-voltage cables, ultrahigh-voltage cables and extra-high-voltage cables according to the voltage grades. Further, the electric current system may be divided into an ac cable and a dc cable.

Present power cable, the tensile strength at the kneck of cable is not enough, can only rely on the intensity of cable conductor itself to connect, has the risk of disconnection, and current cable, fire prevention fire-retardant performance is not enough, fires the risk occasionally when using, influences the power consumption safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the cable is flame-retardant and the kneck tensile strength is not enough among the prior art, and the flame-retardant power cable of tensile type fire prevention that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fire-retardant power cable of tensile type fire prevention, includes first cable conductor, the last surface swing joint of first cable conductor has first guard plate, the first hinge of one side fixedly connected with of first guard plate, the bottom fixed mounting of first hinge has the second guard plate, the top threaded connection of second guard plate has first screw, the first buckle of one end fixedly connected with of first guard plate, the draw-in groove has been seted up to the inside of first buckle, the inner wall joint of draw-in groove has the connecting block, one side fixedly connected with second buckle of first buckle is kept away from to the connecting block, one side fixedly connected with third guard plate of first buckle is kept away from to the second buckle, one side fixed mounting of third guard plate has the second hinge.

Preferably, a fourth protection plate is fixedly mounted at the bottom of the second hinge, and a second screw is connected to the upper surface of the fourth protection plate in a threaded manner.

Preferably, the upper surface of the fourth protection plate is movably connected with a second cable.

Preferably, the inner wall of the first cable is fixedly connected with a flame-retardant layer, and the inner wall of the flame-retardant layer is fixedly connected with a copper wire armor.

Preferably, the inner wall of the copper wire armor is fixedly connected with a rubber sleeve, and filling rubber is arranged inside the rubber sleeve.

Preferably, an inner sheath is arranged inside the filling adhesive, and a conductor is fixedly connected to the inner wall of the inner sheath.

Compared with the prior art, the utility model provides a fire-retardant power cable of tensile type fire prevention possesses following beneficial effect:

1. the utility model, through the combination installation of the first protection plate, the first hinge, the second protection plate, the first screw, the first buckle, the clamping groove, the connecting block, the second buckle, the third protection plate, the second hinge, the fourth protection plate and the second screw, the tensile strength at the cable interface is enhanced, the disconnection at the interface is prevented, the danger is generated, the first protection plate and the second protection plate are arranged at one end of the outer surface of the first cable, one end of the first cable is wrapped up, the first cable is tightly clamped by the first screw, the looseness is prevented, one end of the second cable is wrapped up by the third protection plate and the fourth protection plate, the second cable is tightly clamped by the second screw, the first hinge and the second hinge are arranged for convenient connection, the connecting block on the second buckle is inserted into the clamping groove of the first buckle, the protection plates are connected, the strengthening and fixing of the first cable and the second cable are realized, also can prevent that cable kneck from exposing for a long time and being corroded in the air, prevent cable kneck disconnection, strengthen tensile property.

2. The utility model discloses, through setting up fire-retardant layer, the copper wire armor, the rubber sleeve, the rubber packing is with the inner sheath, prevent that the cable from catching fire in the use, increase fire-retardant layer in the cable, prevent that the outside from catching fire and lighting cable portion, the copper wire armor is worked out by the copper wire, can improve the tensile strength of cable, can prevent fires again, the rubber sleeve is used for separating inside the rubber packing and the copper wire armor, the rubber packing is used for filling the cable, prevent that the conductor from rocking, the inner sheath is used for protecting the conductor, through a setting layer upon layer, it is fire-retardant to prevent fires, improve with the electrical safety.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a cross-sectional structure of the first buckle of the present invention;

fig. 4 is a schematic view of a second buckle of the present invention;

fig. 5 is a schematic view of a front view structure of the first cable of the present invention.

In the figure: 1. a first cable wire; 2. a first guard plate; 3. a first hinge; 4. a second guard plate; 5. a first screw; 6. a first buckle; 7. a card slot; 8. connecting blocks; 9. a second buckle; 10. a third protection plate; 11. a second hinge; 12. a fourth guard plate; 13. a second screw; 14. a second cable line; 15. a flame retardant layer; 16. armouring by copper wires; 17. a rubber sleeve; 18. filling glue; 19. an inner sheath; 20. a conductor.

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.

Referring to fig. 1-5, a tensile fireproof flame-retardant power cable comprises a first cable 1, a first protection plate 2 is movably connected to the upper surface of the first cable 1, a first hinge 3 is fixedly connected to one side of the first protection plate 2, a second protection plate 4 is fixedly installed at the bottom of the first hinge 3, a first screw 5 is in threaded connection with the top of the second protection plate 4, the first protection plate 2 and the second protection plate 4 are connected through a first hinge 3 and are fixed by the first screw 5 to clamp one end of the first cable 1, a first buckle 6 is fixedly connected to one end of the first protection plate 2, a clamping groove 7 is formed in the first buckle 6, a connecting block 8 is clamped to the inner wall of the clamping groove 7, a second buckle 9 is fixedly connected to one side of the connecting block 8, which is far away from the first buckle 6, the clamping groove 7 is matched with the connecting block 8 to connect the first buckle 6 and the second buckle 9 together, a third protection plate 10 is fixedly connected to one side, far away from the first buckle 6, of the second buckle 9, a second hinge 11 is fixedly installed on one side of the third protection plate 10, a fourth protection plate 12 is fixedly installed at the bottom of the second hinge 11, a second screw 13 is connected to the upper surface of the fourth protection plate 12 in a threaded manner, a second cable 14 is movably connected to the upper surface of the fourth protection plate 12, the third protection plate 10 and the fourth protection plate 12 are connected through the second hinge 11 and are fixed through the second screw 13, the second cable 14 is clamped tightly, the protection plates are connected through the first buckle 6 and the second buckle 9, the fixing strength at a cable connector is enhanced, disconnection is prevented, a flame-retardant layer 15 is fixedly connected to the inner wall of the first cable 1, the cable is prevented from being ignited by external fire, a copper wire armor 16 is fixedly connected to the inner wall of the flame-retardant layer 15, the tensile strength of the cable is enhanced, flame retardance is realized, the inside of rubber sleeve 17 is provided with filling adhesive 18, prevents that conductor 20 from rocking, and the inside of filling adhesive 18 is provided with inner sheath 19, protection conductor 20, and the inner wall fixedly connected with conductor 20 of inner sheath 19 is the electrically conductive main part.

In the utility model, the first protective plate 2, the first hinge 3, the second protective plate 4, the first screw 5, the first buckle 6, the clamping groove 7, the connecting block 8, the second buckle 9, the third protective plate 10, the second hinge 11, the fourth protective plate 12 and the second screw 13 are arranged in combination to strengthen the tensile strength at the cable interface, prevent the interface from being disconnected and generate danger, the first protective plate 2 and the second protective plate 4 are arranged at one end of the outer surface of the first cable 1, one end of the first cable 1 is wrapped up, the first cable 1 is clamped by the first screw 5 to prevent loosening, one end of the second cable 14 is wrapped up by the third protective plate 10 and the fourth protective plate 12, the second cable 14 is clamped by the second screw 13, the first hinge 3 and the second hinge 11 are arranged to facilitate the connection of the protective plates, the connecting block 8 on the second buckle 9 is inserted into the clamping groove 7 of the first buckle 6, connect the guard plate together, strengthen fixedly at the kneck of first cable conductor 1 and second cable conductor 14, also can prevent that cable kneck from exposing in the air for a long time and being corroded, prevent cable kneck disconnection, strengthen tensile property, set up fire-retardant layer 15, copper wire armor 16, rubber sleeve 17, adhesive filler 18 and inner sheath 19, prevent that the cable from catching fire in the use, increase fire-retardant layer 15 in the cable, prevent that the outside from catching fire and lighting the cable portion, copper wire armor 16 is worked out by the copper wire, can improve the tensile property of cable, can prevent fires again, rubber sleeve 17 is used for separating adhesive filler 18 and copper wire armor 16, adhesive filler 18 is used for filling inside the cable, prevent that conductor 20 from rocking, inner sheath 19 is used for protecting conductor 20, through a layer upon layer setting, prevent fires fire-retardantly, improve the electrical safety.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The tensile fireproof flame-retardant power cable comprises a first cable conductor (1) and is characterized in that a first protection plate (2) is movably connected to the upper surface of the first cable conductor (1), a first hinge (3) is fixedly connected to one side of the first protection plate (2), a second protection plate (4) is fixedly mounted at the bottom of the first hinge (3), a first screw (5) is connected to the top of the second protection plate (4) in a threaded manner, a first buckle (6) is fixedly connected to one end of the first protection plate (2), a clamping groove (7) is formed in the first buckle (6), a connecting block (8) is clamped on the inner wall of the clamping groove (7), a second buckle (9) is fixedly connected to one side, far away from the first buckle (6), of the connecting block (8), and a third protection plate (10) is fixedly connected to one side, far away from the first buckle (6), of the second buckle (9), and a second hinge (11) is fixedly mounted on one side of the third protection plate (10).

2. The tensile fireproof flame-retardant power cable according to claim 1, wherein a fourth protection plate (12) is fixedly mounted at the bottom of the second hinge (11), and a second screw (13) is connected to the upper surface of the fourth protection plate (12) in a threaded manner.

3. The power cable of claim 2, wherein the second cable (14) is movably connected to the upper surface of the fourth protection plate (12).

4. A tensile fire-retardant power cable according to claim 1, wherein a fire-retardant layer (15) is fixedly connected to the inner wall of the first cable line (1), and a copper wire armor (16) is fixedly connected to the inner wall of the fire-retardant layer (15).

5. The tensile fireproof flame-retardant power cable according to claim 4, wherein a rubber sleeve (17) is fixedly connected to the inner wall of the copper wire armor (16), and a filling rubber (18) is arranged inside the rubber sleeve (17).

6. A tensile fire retardant power cable according to claim 5, wherein an inner sheath (19) is arranged inside the filling glue (18), and a conductor (20) is fixedly connected to the inner wall of the inner sheath (19).