Insulated armored power cable

Abstract

The utility model relates to the technical field of power cables, and discloses an insulated armored power cable which comprises a cable body, a sheath is arranged on the outer side of the cable body, a sleeve is slidably connected to the outer surface of the sheath, a first through opening is formed in the outer surface of the sleeve, and an installation shell is fixedly installed on the outer surface of the sleeve. A first through opening is formed in the inner side wall of the mounting shell, a second through opening is formed in the inner side wall of the mounting shell, the interior of the first through opening communicates with the interior of the second through opening, a plurality of same telescopic springs are fixedly mounted on the inner side wall of the mounting shell, a pressing plate is fixedly mounted at the front ends of the telescopic springs, and the outer surface of the pressing plate makes contact with the inner wall of the mounting shell. According to the insulated armored power cable, the cable main body, the sheath, the sleeve, the first through opening, the mounting shell, the second through opening, the telescopic spring, the pressing plate and the sectioning cutter are arranged, the telescopic spring, the pressing plate and the sectioning cutter are matched, the cable enters the sheath through the first through opening and the second through opening, and the purpose of sectioning the sheath is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of power cables, in particular to an insulating armored power cable. Background Art

[0002] Power cables are cables used to transmit and distribute electrical energy. They are commonly used in urban underground power grids, power station lead-out lines, internal power supply for industrial and mining enterprises, and underwater transmission lines across rivers and seas. The proportion of cables in power lines is gradually increasing. Power cables are cable products used to transmit and distribute high-power electrical energy in the trunk lines of power systems, including 1-500kV and above various voltage levels, and various insulation power cables.

[0003] Insulated armored power cables are provided with an outer sheath during use. When the power cables need to be inspected or checked internally, a knife is required to peel them open. However, the power cables do not have a structure that is convenient for peeling the cables, resulting in the cables being opened without a knife. Therefore, a person skilled in the art provides an insulated armored power cable to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide an insulated armored power cable to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An insulated armored power cable comprises a cable body, a sheath is arranged on the outside of the cable body, a sleeve is slidably connected to the outer surface of the sheath, a first opening is opened on the outer surface of the sleeve, a mounting shell is fixedly installed on the outer surface of the sleeve, a second opening is opened on the inner side wall of the mounting shell, the interior of the first opening is connected to the interior of the second opening, a plurality of identical telescopic springs are fixedly installed on the inner side wall of the mounting shell, a pressure plate is fixedly installed on the front end of each of the telescopic springs, the outer surface of the pressure plate is in contact with the inner wall of the mounting shell, and a cutting tool is fixedly installed on the back side of the pressure plate.

[0007] As a further solution of the utility model: a filling body is arranged outside the cable body, and the outer surface of the filling body is covered with a steel belt armor, and the outer surface of the steel belt armor is in contact with the inner wall of the sheath.

[0008] As a further solution of the utility model: the upper surface and the bottom surface of the sleeve are both provided with tapered grooves, and the inner wall of each tapered groove is threadedly connected with a fastening sleeve.

[0009] As a further solution of the utility model: the inner wall of each of the fastening sleeves is in contact with the outer surface of the sheath, and the inner wall of each of the fastening sleeves is provided with a slot.

[0010] As a further solution of the utility model: a sealing ring is clamped inside each of the clamping slots, and the inner wall of each of the sealing rings is in contact with the outer surface of the sheath.

[0011] As a further solution of the utility model: two connecting rods are fixedly installed on the front side of the pressure plate, and an auxiliary plate is fixedly installed on the front ends of the two connecting rods.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model is provided with a cable body, a sheath, a sleeve, a first opening, a mounting shell, a second opening, a telescopic spring, a pressure plate and a cutting tool. The cooperation of the telescopic spring, the pressure plate and the cutting tool is utilized to enter into the sheath through the first opening and the second opening to achieve the purpose of cutting the sheath, thus facilitating the peeling of the sheath without carrying a tool, and facilitating the convenient opening of the cable body sheath. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of an insulated armored power cable;

[0015] Figure 2 It is a three-dimensional cross-sectional view of a sheath in an insulated armored power cable;

[0016] Figure 3 It is a three-dimensional disassembly schematic diagram of a casing in an insulated armored power cable;

[0017] Figure 4 The present invention is a schematic diagram of the three-dimensional disassembly of the installation shell in an insulated armored power cable.

[0018] In the figure: 1. cable body; 2. sheath; 3. casing; 4. steel belt armor; 5. filling body; 6. slot; 7. sealing ring; 8. fastening sleeve; 9. conical groove; 10. first opening; 11. mounting shell; 12. pressure plate; 13. second opening; 14. telescopic spring; 15. cutting tool; 16. connecting rod; 17. auxiliary plate. DETAILED DESCRIPTION

[0019] See also Figure 1-4An insulated armored power cable comprises a cable body 1, a sheath 2 is arranged on the outside of the cable body 1, a sleeve 3 is slidably connected to the outer surface of the sheath 2, a first opening 10 is opened on the outer surface of the sleeve 3, a mounting shell 11 is fixedly installed on the outer surface of the sleeve 3, a second opening 13 is opened on the inner side wall of the mounting shell 11, the interior of the first opening 10 is connected to the interior of the second opening 13, a plurality of identical telescopic springs 14 are fixedly installed on the inner side wall of the mounting shell 11, a pressure plate 12 is fixedly installed on the front end of each telescopic spring 14, the outer surface of the pressure plate 12 is in contact with the inner wall of the mounting shell 11, and a cutting tool 15 is fixedly installed on the back side of the pressure plate 12.

[0020] A filling body 5 is arranged on the outside of the cable body 1, and a steel belt armor 4 is sleeved on the outer surface of the filling body 5. The outer surface of the steel belt armor 4 contacts the inner wall of the sheath 2 through the filling body 5 and the steel belt armor 4. The filling body 5 is made of polyethylene filler to prevent the entry of moisture, and has good wettability, heat resistance, mechanical strength and toughness. The steel belt armor 4 can withstand horizontal external forces, improve the corrosion resistance of the cable, and extend the service life. Conical grooves 9 are provided on the upper and bottom surfaces of the sleeve 3, and the inner wall of each conical groove 9 is threadedly connected with a fastening sleeve 8. Through the conical groove 9 and the fastening sleeve 8, the conical groove 9 and the fastening sleeve 8 are installed by threaded matching, which is convenient for the installation of the fastening sleeve 8, and the fastening sleeve 8 fixes the sleeve 3 to a certain extent.

[0021] The inner wall of each fastening sleeve 8 is in contact with the outer surface of the sheath 2, and a slot 6 is provided on the inner wall of each fastening sleeve 8. A sealing ring 7 is clamped inside each slot 6. The sealing ring 7 is installed in the slot 6 through the slot 6 and the sealing ring 7, and a certain line of sealing is performed by the sealing ring 7. The inner wall of each sealing ring 7 is in contact with the outer surface of the sheath 2. Two connecting rods 16 are fixedly installed on the front of the pressing plate 12, and an auxiliary plate 17 is fixedly installed at the front ends of the two connecting rods 16. Through the connecting rods 16 and the auxiliary plate 17, the pressing plate 12 can have two pressing methods. The pressing plate 12 can be pressed directly with fingers, and the other method is to hold the sleeve 3 by hand, and press the auxiliary plate 17 with the center of the hand, and press the pressing plate 12 through the connecting rod 16.

[0022] The working principle of the utility model is as follows: when in use, the cable body 1 and the sheath 2 form a whole and can be used directly. When installing the cable body 1, it is necessary to consider the fixed positions of the sleeve 3, the auxiliary plate 17 and the installation shell 11. In order to facilitate the peeling of the sheath 2, and in the case of not carrying a knife, the sleeve 3 can be held by hand, and the auxiliary plate 17 can contact the center of the palm. The force is applied by the center of the palm, and the pressure plate 12 is driven by the connecting rod 16 to apply pressure to the inside of the installation shell 11, driving the cutting tool 15 to contact the sheath 2 through the first opening 10 and the second opening 13, and using the cutting tool The sharpness of 15 can cut the sheath 2. Due to the existence of the telescopic spring 14, the length of the cutting tool 15 penetrating into the sheath 2 is determined by the telescopic spring 14, so that the cutting tool 15 passes through the sheath 2. When holding the sleeve 3, the cutting tool 15 can be moved downward or upward to increase the cutting length. When the auxiliary plate 17 is pressed by the finger alone, the sheath 2 can only be cut open to an opening of the same length as the cutting tool 15. The desired opening length can be opened according to the demand. When the auxiliary plate 17 is released, the recovery characteristics of the telescopic spring 14 drive the cutting tool 15 to return to its original position.

[0023] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An insulated armored power cable, comprising a cable body (1), characterized in that: A sheath (2) is arranged on the outside of the cable body (1), and a sleeve (3) is slidably connected to the outer surface of the sheath (2), and a first opening (10) is provided on the outer surface of the sleeve (3), and a mounting shell (11) is fixedly installed on the outer surface of the sleeve (3), and a second opening (13) is provided on the inner wall of the mounting shell (11), and the interior of the first opening (10) and the interior of the second opening (13) are connected, and a plurality of identical telescopic springs (14) are fixedly installed on the inner wall of the mounting shell (11), and a pressure plate (12) is fixedly installed at the front end of each of the telescopic springs (14), and the outer surface of the pressure plate (12) contacts the inner wall of the mounting shell (11), and a cutting tool (15) is fixedly installed on the back of the pressure plate (12).

2. An insulated armored power cable according to claim 1, characterized in that: A filling body (5) is arranged outside the cable body (1), and a steel belt armor (4) is sleeved on the outer surface of the filling body (5), and the outer surface of the steel belt armor (4) is in contact with the inner wall of the sheath (2).

3. The insulated armored power cable according to claim 1, characterized in that: The upper surface and the bottom surface of the sleeve (3) are both provided with conical grooves (9), and the inner wall of each conical groove (9) is threadedly connected with a fastening sleeve (8).

4. An insulated armored power cable according to claim 3, characterized in that: The inner wall of each fastening sleeve (8) contacts the outer surface of the protective sleeve (2), and the inner wall of each fastening sleeve (8) is provided with a clamping groove (6).

5. An insulated armored power cable according to claim 4, characterized in that: A sealing ring (7) is clamped inside each of the clamping grooves (6), and the inner wall of each of the sealing rings (7) is in contact with the outer surface of the sheath (2).

6. The insulated armored power cable according to claim 1, characterized in that: Two connecting rods (16) are fixedly mounted on the front side of the pressure plate (12), and an auxiliary plate (17) is fixedly mounted on the front ends of the two connecting rods (16).

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