CN212542014U

CN212542014U - Fireproof subway cable

Info

Publication number: CN212542014U
Application number: CN202021607670.7U
Authority: CN
Inventors: 宁丽婵
Original assignee: Zhongshang Cable Group Co ltd
Current assignee: Zhongshang Cable Group Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-02-12
Anticipated expiration: 2030-08-05

Abstract

The utility model belongs to the technical field of subway cables, in particular to a fireproof subway cable, which comprises a cable body, wherein the surface of one end of the cable body is fixedly connected with a first sleeve, the surface of the other end of the cable body is fixedly connected with a second sleeve, one end of the first sleeve is fixedly connected with a baffle, the inside of the baffle is slidably connected with a slide block, one side of the slide block is fixedly connected with an arc-shaped plate, and the surface of the arc-shaped plate is fixedly connected with an arc-shaped block; the utility model discloses, through setting up first fire-retardant layer and the fire-retardant layer of second, make this device in the face of inside catch fire and can both possess a good flame retardant efficiency when the outside catches fire, when the burning things which may cause a fire disaster is inside to be produced in this device, eliminate the burning things which may cause a fire disaster in inside to guarantee that the burning things which may cause loss of property can not produce great conflagration, when the burning things which may cause a fire disaster is outside, make the unable easy damage cable core of burning things which may cause a fire disaster, thereby guarantee the normal use of cable core, reach resources are saved's purpose.

Description

Fireproof subway cable

Technical Field

The utility model belongs to the technical field of the subway cable, concretely relates to subway cable of fire prevention.

Background

Along with the rapid development of economy in China, the urban modernization process is obviously accelerated, subways gradually appear in large and medium-sized cities, in recent years, fire disasters cause great loss of lives and properties of people, people have deeper understanding on fire prevention safety, the requirements for electric wires and cables used in important occasions are higher and higher, the existing subway cables are poor in flame-retardant and fireproof effects, and in the using process, great potential safety hazards exist, so that the cable is easy to burn and break in a high-temperature environment or in the case of fire, the subway breaks down, and normal operation of the subway is affected.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a subway cable of fire prevention has characteristics such as fire prevention fire-retardant.

In order to achieve the above object, the utility model provides a following technical scheme: a fireproof subway cable comprises a cable body, wherein a first sleeve is fixedly connected to the surface of one end of the cable body, a second sleeve is fixedly connected to the surface of the other end of the cable body, a baffle is fixedly connected to one end of the first sleeve, a sliding block is slidably connected to the inside of the baffle, an arc-shaped plate is fixedly connected to one side of the sliding block, an arc-shaped block is fixedly connected to the surface of the arc-shaped plate, a threaded column is sleeved inside the sliding block, a nut is connected to the surface of the threaded column in a threaded manner, the nut is lapped on the surface of the sliding block, an arc-shaped groove is formed in the surface of the second sleeve, the cable body comprises a cable core, a first protective layer is fixedly connected to the surface of the cable core, a first flame-retardant layer is fixedly connected to the surface of the first protective layer, and a first heat, the surface of the first heat insulation layer is fixedly connected with an insulation layer, the surface of the insulation layer is fixedly connected with a second heat insulation layer, the surface of the second heat insulation layer is fixedly connected with a second flame-retardant layer, and the surface of the second flame-retardant layer is fixedly connected with a second protective layer.

Preferably, through holes are formed in the first sleeve and the second sleeve, and the first sleeve and the second sleeve are connected with the cable body through the through holes.

Preferably, the diameter of the arc-shaped block is the same as that of the arc-shaped groove, and the arc-shaped block is clamped in the arc-shaped groove.

Preferably, the second protective layer is fixedly connected to the inner surfaces of the first sleeve and the second sleeve.

Preferably, the number of the baffle plates and the number of the threaded columns are two and the baffle plates and the threaded columns are respectively arranged on two sides of one end of the first sleeve.

Preferably, the baffle is internally provided with a sliding groove, and the baffle is in sliding connection with the sliding block through the sliding groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, through setting up first fire-retardant layer and the fire-retardant layer of second, in the application of reality, cooperation between through the aforesaid, make this device can both possess a good flame retardant efficiency when catching fire with the outside in the face of inside, when the source of a fire is inside to be produced in this device, eliminate the source of a fire in inside, thereby guarantee that the source of a fire can not produce great conflagration and cause loss of property, when the source of a fire is outside, make the unable easy damage cable core of source of a fire, thereby guarantee the normal use of cable core, reach resources are saved's purpose, through setting up first sleeve pipe and second sleeve pipe, in the application of reality, make things convenient for the interconnect between the cable body, thereby guarantee the fixed effect between the cable body.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of the present invention;

FIG. 2 is a schematic side view of the first sleeve according to the present invention;

FIG. 3 is a schematic structural diagram of a side view section of the cable body according to the present invention;

in the figure: 1. a cable body; 2. a first sleeve; 3. a second sleeve; 4. an arc-shaped slot; 5. an arc-shaped block; 6. an arc-shaped plate; 7. a baffle plate; 8. a threaded post; 9. a nut; 10. a slider; 11. a through hole; 101. a cable core; 102. a first protective layer; 103. a first flame retardant layer; 104. a first insulating layer; 105. an insulating layer; 106. a second thermal insulation layer; 107. a second flame retardant layer; 108. a second protective layer.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a fireproof subway cable comprises a cable body 1, wherein a first sleeve 2 is fixedly connected to the surface of one end of the cable body 1, a second sleeve 3 is fixedly connected to the surface of the other end of the cable body 1, the first sleeve 2 and the second sleeve 3 are arranged, in practical application, mutual connection between the cable bodies 1 is facilitated, and accordingly fixing effects between the cable bodies 1 are guaranteed, a baffle 7 is fixedly connected to one end of the first sleeve 2, a sliding block 10 is slidably connected to the inside of the baffle 7, an arc-shaped plate 6 is fixedly connected to one side of the sliding block 10, an arc-shaped block 5 is fixedly connected to the surface of the arc-shaped plate 6, a threaded column 8 is sleeved inside the sliding block 10, a nut 9 is in threaded connection with the surface of the threaded column 8, the nut 9 is in lap joint with the surface of the sliding block 10, and an arc-shaped groove 4 is formed in the surface of the second sleeve 3, the cable body 1 comprises a cable core 101, a first protective layer 102 is fixedly connected to the surface of the cable core 101, a first flame-retardant layer 103 is fixedly connected to the surface of the first protective layer 102, a first heat-insulating layer 104 is fixedly connected to the surface of the first flame-retardant layer 103, an insulating layer 105 is fixedly connected to the surface of the first heat-insulating layer 104, a second heat-insulating layer 106 is fixedly connected to the surface of the insulating layer 105, a second flame-retardant layer 107 is fixedly connected to the surface of the second heat-insulating layer 106, a second protective layer 108 is fixedly connected to the surface of the second flame-retardant layer 107, and by arranging the first flame-retardant layer 103 and the second flame-retardant layer 107, in practical application, the cable body can have a good flame-retardant effect when facing internal ignition and external ignition through the cooperation between the first flame-retardant layer 103 and the second flame-retardant layer 107, and when an ignition source is generated inside the cable, thereby guarantee that the fire disaster can not produce great conflagration and cause property loss, when the fire disaster is outside, make the unable easy damage cable core 101 of fire disaster to guarantee the normal use of cable core 101, reach the purpose of resources are saved.

Specifically, through-hole 11 has all been seted up to first sleeve pipe 2 and second sleeve pipe 3's inside, first sleeve pipe 2 all is connected with cable body 1 through-hole 11 with second sleeve pipe 3.

Specifically, the diameter of arc piece 5 is the same just with the diameter of arc wall 4 the inside of arc piece 5 joint at arc wall 4, and is the same just with the diameter of arc wall 4 through setting up the diameter of arc piece 5 the fixed effect to cable body 1 junction has been guaranteed in practical application to the inside of arc piece 5 joint at arc wall 4 to guarantee its leakproofness and firm nature, guarantee cable body 1's life.

Specifically, the second protective layer 108 is fixedly connected to the inner surfaces of the first casing 2 and the second casing 3.

Specifically, the number of the baffle plates 7 and the number of the threaded columns 8 are two and are respectively arranged on two sides of one end of the first sleeve 2.

Specifically, a sliding groove is formed in the baffle 7, and the baffle 7 is connected with the sliding block 10 in a sliding mode through the sliding groove.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the cable body 1 is connected with each other under the action of the first sleeve 2 and the second sleeve 3, then in the using process of the device, if the ignition point appears outside the cable body 1, the ignition point can only burn the second protective layer 108, then under the action of the second flame retardant layer 107, the fire source can not continuously permeate, thereby ensuring the normal use of the cable body 1, and achieving the purpose of saving resources, meanwhile, if the fire source is too large, the permeation of the fire source can be well avoided under the combined action of the first flame retardant layer 103 and the second flame retardant layer 107, so that the fire source can not easily damage the device, insist on the arrival of rescuers, thereby ensuring the service life of the device, then if the ignition point is in the cable body 1, under the action of the first flame retardant layer 103, the fire source is enabled to be absolutely inside the cable body 1, thereby avoiding the fire source from spreading out and generating fire, therefore, the device has good protection performance when in use regardless of the internal or external ignition source, thereby improving the practicability of the device.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a subway cable of fire prevention, includes cable body (1), its characterized in that: the cable comprises a cable body (1), wherein a first sleeve (2) is fixedly connected to the surface of one end of the cable body (1), a second sleeve (3) is fixedly connected to the surface of the other end of the cable body (1), a baffle (7) is fixedly connected to one end of the first sleeve (2), a sliding block (10) is slidably connected to the inside of the baffle (7), an arc-shaped plate (6) is fixedly connected to one side of the sliding block (10), an arc-shaped block (5) is fixedly connected to the surface of the arc-shaped plate (6), a threaded column (8) is sleeved inside the sliding block (10), a nut (9) is connected to the surface of the threaded column (8) in a threaded manner, the nut (9) is lapped on the surface of the sliding block (10), an arc-shaped groove (4) is formed in the surface of the second sleeve (3), the cable body (1) comprises a cable core (101), and a first protective layer, the surface of the first protective layer (102) is fixedly connected with a first flame-retardant layer (103), the surface of the first flame-retardant layer (103) is fixedly connected with a first heat insulation layer (104), the surface of the first heat insulation layer (104) is fixedly connected with an insulation layer (105), the surface of the insulation layer (105) is fixedly connected with a second heat insulation layer (106), the surface of the second heat insulation layer (106) is fixedly connected with a second flame-retardant layer (107), and the surface of the second flame-retardant layer (107) is fixedly connected with a second protective layer (108).

2. A fire-resistant subway cable as claimed in claim 1, wherein: through holes (11) are formed in the first sleeve (2) and the second sleeve (3), and the first sleeve (2) and the second sleeve (3) are connected with the cable body (1) through the through holes (11).

3. A fire-resistant subway cable as claimed in claim 1, wherein: the diameter of the arc-shaped block (5) is the same as that of the arc-shaped groove (4), and the arc-shaped block (5) is clamped in the arc-shaped groove (4).

4. A fire-resistant subway cable as claimed in claim 1, wherein: the second protective layer (108) is fixedly connected to the inner surfaces of the first sleeve (2) and the second sleeve (3).

5. A fire-resistant subway cable as claimed in claim 1, wherein: the number of the baffle plates (7) and the number of the threaded columns (8) are two and are respectively arranged on two sides of one end of the first sleeve (2).

6. A fire-resistant subway cable as claimed in claim 1, wherein: the inside of baffle (7) has seted up the spout, baffle (7) pass through spout and slider (10) sliding connection.