CN216487379U

CN216487379U - Underground cable with compression resistance function

Info

Publication number: CN216487379U
Application number: CN202122640013.3U
Authority: CN
Inventors: 李旦
Original assignee: Huizhou Binda Electronics Co ltd
Current assignee: Huizhou Binda Electronics Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-10
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an underground cable with a pressure-resistant function, which comprises a plurality of leads, wherein a reinforced supporting device is arranged outside the leads, and a reinforced lantern ring is sleeved outside the reinforced supporting device; reinforce strutting arrangement includes three connecting plate, and three connecting plate is the annular array and sets up in the outside of a plurality of wires, and the one end of two corresponding connecting plates is provided with the sealing strip, and one side of connecting plate is provided with the circular arc board, and a plurality of draw-in grooves have been seted up to the equal equidistance in both sides side of connecting plate, a plurality of locating levers of the equal equidistance fixedly connected with in both sides of sealing strip, the outer wall of locating lever and the inner chamber slip joint of draw-in groove. According to the utility model, the arrangement mode of the reinforced support device is utilized, the reinforced support device comprises three connecting plates and three sealing strips, so that an equilateral triangle protective shell can be formed outside a plurality of wires, the connecting plates and the sealing strips are convenient to assemble and disassemble, the plurality of wires are protected, and the service life of the cable is prolonged.

Description

Underground cable with compression resistance function

Technical Field

The utility model relates to the field of cables, in particular to an underground cable with a compression-resistant function.

Background

Underground cables are different from overhead high-voltage lines, are often laid in cable trenches, tunnels, pipelines or rooms, and after entering modern society, due to the reasons of shortage of urban land, high traffic pressure, urban construction and the like, large cities generally adopt an underground cable power transmission mode.

The cable is made by one or more mutual insulated conductor and outsourcing insulating protection layer, with electric power or information from a wire of transmitting to another department, after cable laying buries in the underground, because earth buries the cable to subaerial vehicle or other equipment pass through, all can increase earth to the extrusion force of cable, can lead to the cable to receive extrusion damage after the permanent use, thereby reduce the life of cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an underground cable with a pressure-resistant function, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an underground cable with a pressure-resistant function comprises a plurality of conducting wires, wherein a reinforced supporting device is arranged outside the conducting wires, and a reinforced lantern ring is sleeved outside the reinforced supporting device;

the reinforced supporting device comprises three connecting plates, the three connecting plates are arranged outside the plurality of wires in an annular array mode, the two connecting plates are corresponding to each other, a sealing strip is arranged at one end of each connecting plate, and an arc plate is arranged on one side of each connecting plate.

Preferably, a plurality of draw-in grooves have been seted up to the equal equidistance in both sides side of connecting plate, a plurality of locating levers of the equal equidistance fixedly connected with in both sides of sealing strip, the outer wall of locating lever and the inner chamber slip joint of draw-in groove.

Preferably, both ends of one side of the circular arc plate are attached to the connecting plates, a sponge plate is filled between the circular arc plate and the connecting plates, and a filling layer is filled between the connecting plates.

Preferably, the outer parts of the three arc plates are fixedly sleeved with a wrapping layer, and the outer wall of the wrapping layer is fixedly sleeved with a first shielding layer.

Preferably, the first shielding layer is fixedly sleeved inside the reinforced lantern ring, and the outer wall of the reinforced lantern ring is fixedly sleeved with the first insulating layer.

Preferably, the wire consists of a wire core, a second shielding layer and a second insulating layer, the second shielding layer is fixedly sleeved on the outer wall of the wire core, and the second insulating layer is fixedly sleeved on the outer wall of the second shielding layer.

The utility model has the technical effects and advantages that:

(1) according to the utility model, the arrangement mode of the reinforced supporting device is utilized, the reinforced supporting device comprises three connecting plates and three sealing strips, so that an equilateral triangle protective shell can be formed outside a plurality of wires, the connecting plates and the sealing strips are convenient to assemble and disassemble, and the plurality of wires are protected, so that the service life of the cable is prolonged;

(2) the utility model utilizes the matching use of the arc plate, the sponge plate and the reinforced lantern ring, the arc plate and the sponge plate can be matched with the reinforced supporting device, thereby enhancing the performance of protecting a plurality of wires, and the reinforced lantern ring can not only position the arc plate, but also further protect the wires, thereby improving the practical performance thereof.

Drawings

FIG. 1 is a schematic diagram of the front internal structure of the present invention.

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

Fig. 3 is a schematic view of the overall structure of the sealing strip of the utility model.

In the figure: 1. a wire; 11. a wire core; 12. a second shielding layer; 13. a second insulating layer; 2. a reinforcing support device; 21. a connecting plate; 22. a sealing strip; 23. positioning a rod; 3. a filling layer; 4. a circular arc plate; 5. a sponge plate; 6. a wrapping layer; 7. a first shielding layer; 8. reinforcing the lantern ring; 9. a first insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an underground cable with a compression-resistant function as shown in figures 1-3, which comprises a plurality of leads 1, wherein a reinforced support device 2 is arranged outside the leads 1, a reinforced lantern ring 8 is sleeved outside the reinforced support device 2, and the reinforced lantern ring 8 is made of a plastic material, so that the underground cable has certain stability, can resist compression and protect the leads 1, and can be bent to a certain degree, thereby being convenient for stably laying the cable.

The strengthening and supporting device 2 comprises three connecting plates 21, the three connecting plates 21 can form an equilateral triangle outside the plurality of leads 1 to protect the plurality of leads 1, when one connecting plate 21 is subjected to extrusion force, external pressure can be mutually transmitted to the adjacent connecting plates 21 to improve the stress uniformity of the connecting plate and reduce the pressure transmitted to the leads 1 from the outside, the connecting plates 21 can be bent to a certain degree to facilitate the bending and laying of cables, the three connecting plates 21 are arranged outside the plurality of leads 1 in an annular array, one end of each corresponding connecting plate 21 is provided with a sealing strip 22, the sealing strips 22 and a positioning rod 23 can limit the positions of the three connecting plates 21 to ensure the relative stability of the three connecting plates 21, and the connecting plates are convenient to disassemble and assemble and further convenient to install the connecting plates outside the plurality of leads 1, one side of connecting plate 21 is provided with circular arc board 4, and a plurality of draw-in grooves have been seted up to the equal equidistance in both sides side of connecting plate 21, a plurality of locating levers 23 of the equal equidistance fixedly connected with in both sides of sealing strip 22, the outer wall of locating lever 23 and the inner chamber slip joint of draw-in groove.

Both ends of 4 one sides of arc board all laminate mutually with connecting plate 21, it has sponge board 5 to fill between arc board 4 and the connecting plate 21, three arc board 4 and three sponge board 5 can form a drum protecting crust in the outside of three connecting plate 21, thereby improve the anti extrusion capacity of cable once more, it has filling layer 3 to fill between the three connecting plate 21, wrapping layer 6 has been cup jointed to the external fixation of three arc board 4, wrapping layer 6 can be to arc board 4, sponge board 5, sealing strip 22 and connecting plate 21 are retrained, thereby guarantee its subsequent production stability of adding man-hour, wrapping layer 6's outer wall is fixed to have cup jointed first shielding layer 7, first shielding layer 7 is fixed to cup joint in the inside of strengthening the lantern ring 8, the outer wall of strengthening the lantern ring 8 is fixed to have cup jointed first insulation layer 9.

The wire 1 comprises sinle silk 11, second shielding layer 12 and second insulating layer 13, and the fixed cover of second shielding layer 12 connects in the outer wall of sinle silk 11, and the fixed outer wall that cup joints in second shielding layer 12 of second insulating layer 13.

The working principle of the utility model is as follows: when producing the cable, at first be triangle-shaped in the outside of a plurality of wires 1 and set up three connecting plate 21, and use sealing strip 22 to install in two adjacent edge line departments of connecting plate 21, and make the locating lever 23 of sealing strip 22 both sides cup joint with two connecting plates 21 slip respectively, and pack the filling layer 3 material in the inside of three connecting plate 21, then place sponge 5 in the inboard of circular arc board 4, then laminate circular arc board 4 and connecting plate 21 mutually, then utilize parcel layer 6 to injectd its position, then overlap first shielding layer 7 and the outside of parcel layer 6 in proper order with strengthening lantern ring 8, it can to carry out first insulating layer 9 parcel manufacturing to it at last.

When it received the extrusion force when using, at first strengthen the lantern ring 8 and bear the extrusion force, inside partial extrusion force transmitted parcel layer 6 through strengthening lantern ring 8, three circular arc board 4 and three sponge board 5 born and do not seal the extrusion force, then three connecting plate 21 bears the extrusion once more to reduce the extrusion force of transmitting on the wire 1, thereby improve the anti extrusion ability of cable, and then improve its life.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. An underground cable with a pressure-resistant function comprises a plurality of leads (1), and is characterized in that a reinforced support device (2) is arranged outside the leads (1), and a reinforced lantern ring (8) is sleeved outside the reinforced support device (2);

the reinforced support device (2) comprises three connecting plates (21), the three connecting plates (21) are arranged outside the plurality of wires (1) in an annular array mode, the two connecting plates are corresponding to each other, a sealing strip (22) is arranged at one end of each connecting plate (21), and an arc plate (4) is arranged on one side of each connecting plate (21).

2. The underground cable with the compression-resistant function according to claim 1, wherein a plurality of clamping grooves are formed in the two side sides of the connecting plate (21) at equal intervals, a plurality of positioning rods (23) are fixedly connected to the two sides of the sealing strip (22) at equal intervals, and the outer walls of the positioning rods (23) are in sliding clamping connection with the inner cavities of the clamping grooves.

3. An underground cable with compression-resistant function according to claim 1, wherein both ends of one side of the circular arc plate (4) are attached to the connecting plates (21), a sponge plate (5) is filled between the circular arc plate (4) and the connecting plates (21), and a filling layer (3) is filled between the three connecting plates (21).

4. An underground cable with a compression-resistant function according to claim 1, wherein a wrapping layer (6) is fixedly sleeved on the outer parts of the three arc plates (4), and a first shielding layer (7) is fixedly sleeved on the outer wall of the wrapping layer (6).

5. An underground cable with pressure-resistant function according to claim 4, wherein the first shielding layer (7) is fixedly sleeved inside the reinforced lantern ring (8), and the outer wall of the reinforced lantern ring (8) is fixedly sleeved with the first insulating layer (9).

6. An underground cable with pressure-resistant function according to claim 1, wherein the conductor (1) is composed of a core (11), a second shielding layer (12) and a second insulating layer (13), the second shielding layer (12) is fixedly sleeved on the outer wall of the core (11), and the second insulating layer (13) is fixedly sleeved on the outer wall of the second shielding layer (12).