CN218826328U

CN218826328U - Subway power supply cable with fireproof function

Info

Publication number: CN218826328U
Application number: CN202222065053.4U
Authority: CN
Inventors: 李磊; 刘松浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2023-04-07
Anticipated expiration: 2032-08-08

Abstract

The utility model belongs to the technical field of the power supply cable technique and specifically relates to a subway power supply cable with fire prevention function, including the armor protecting tube, armor protecting tube surface left part and surface right part are all fixed and have cup jointed coupling assembling, the fixed coupling assembling that has cup jointed of pipe wall in the armor protecting tube, the pipe wall has cup jointed thermal-insulated pipe in the coupling assembling, the pipe wall has cup jointed the inner tube in the thermal-insulated pipe, the pipe wall has cup jointed the insulating tube in the inner tube, the pipe wall is provided with the stay tube in the insulating tube, it has fire-retardant filler to fill between stay tube outer pipe wall and the pipe wall in the insulating tube, the stay tube left end alternates and is connected with three cable conductor. A subway is cable for power supply with fire prevention function, through be provided with two coupling assembling and armor protective tube on whole power supply cable for whole power supply cable's fireproof efficiency is high, the fire prevention is effectual, stability is high, is fit for the use of subway is cable for power supply fire prevention.

Description

Subway power supply cable with fireproof function

Technical Field

The utility model relates to a supply power cable technical field, in particular to subway power supply cable with fire prevention function.

Background

The wire and cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion. The generalized electric wire cable is also called as cable for short, the narrowly defined cable is insulated cable, and the cable has at least the following disadvantages in the use process of the existing cable for subway power supply: 1. the existing power supply cable has poor fireproof performance, and is not easy to carry out fireproof protection on a cable line inside the cable, so that the using effect of the cable line is influenced; 2. the existing power supply cable is poor in stability and troublesome to install and detach, so that a novel subway power supply cable with a fireproof function is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a cable is used in subway power supply with fire prevention function, can effectively solve the problem in the background art.

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

the utility model provides a cable for subway power supply with fire prevention function, includes the armor protective tube, coupling assembling has all been fixed to have cup jointed in armor protective tube surface left part and the surface right part, the fixed coupling assembling that has cup jointed of pipe wall in the armor protective tube, the pipe wall cup jointed thermal-insulated pipe in the coupling assembling, the pipe wall has cup jointed the inner tube No. one in the thermal-insulated pipe, the pipe wall has cup jointed the insulating tube in the inner tube No. one, the pipe wall is provided with the stay tube in the insulating tube, it has fire-retardant filler to fill between stay tube outer pipe wall and the pipe wall in the insulating tube, the stay tube left end interlude is connected with three cable conductor.

Preferably, the armor protective pipe comprises an outer pipe, the outer surface of the outer pipe is covered with a fireproof material, the outer surface of the outer pipe is fixedly connected with a plurality of clamping strips in an annular array mode, and the outer pipe is sleeved with the connecting assembly.

Preferably, coupling assembling includes the sleeve pipe, the equal fixedly connected with in sleeve pipe surface front portion and surface rear portion props up the piece, sleeve pipe surface upper portion and surface lower part all alternate and are connected with stop screw, two prop up the equal fixedly connected with bracing piece in piece upper end, two the upper end of the support bar all alternates and is connected with the extension rod, two the common fixedly connected with extension board in extension rod upper end, the sleeve pipe cup joints with the armor protective tube.

Preferably, the supporting tube includes a tube body, three branch tubes are fixedly connected to an inner tube wall of the tube body, a connecting rod is fixedly connected between two adjacent branch tubes, a heat insulation filler is filled between the inner tube wall of the tube body and an outer tube wall of the three branch tubes, and the tube body is clamped with the insulating tube.

Preferably, three cables are respectively connected with three branch pipes in an inserting manner.

Preferably, two groups of longitudinal limiting screws respectively penetrate through the two sleeves to be contacted with the armored protective pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the utility model, the fireproof material is arranged on the armored protective tube to protect the outside of the whole power supply cable from fire, and the flame-retardant filler is filled between the outer tube wall of the supporting tube and the inner tube wall of the insulating tube, so that the whole power supply cable can be further protected from fire in the using process, and the stability is improved;

2. the utility model discloses in, all cup joint with the armor protecting tube with the sleeve pipe on two coupling assembling, and pass two sleeve pipes through two sets of fore-and-aft two stop screw and contact with the card strip on the armor protecting tube, come together two coupling assembling and armor protecting tube fixed connection, improve stability, pass extension board and the subway on two coupling assembling through the bolt and supply cable fixed department fixed connection, can fix the position of whole supply cable, improve stability, and the installation of whole supply cable is dismantled conveniently, convenient to use.

Drawings

Fig. 1 is a schematic view of the overall structure of the cable for subway power supply with fireproof function according to the present invention;

fig. 2 is a schematic view of the whole structure of the armored protective pipe of the cable for subway power supply with fireproof function of the present invention;

fig. 3 is a schematic view of the overall structure of the connection assembly of the cable with fire-proof function for subway power supply of the present invention;

fig. 4 is the utility model relates to a cable's stay tube overall structure schematic diagram for subway power supply with fire prevention function.

In the figure: 1. armouring a protective pipe; 2. a connecting assembly; 3. a heat insulating pipe; 4. a first inner tube; 5. an insulating tube; 6. supporting a tube; 7. a flame retardant filler; 8. a cable wire; 11. a first outer tube; 12. a fire-resistant material; 13. clamping the strip; 21. a sleeve; 22. supporting a block; 23. a limit screw; 24. a support bar; 25. an extension rod; 26. a support plate; 61. a pipe body; 62. a thermally insulating filler; 63. a branch pipe; 64. a connecting rod.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a cable for subway power supply with fire prevention function, including armor protecting tube 1, 1 surface left part of armor protecting tube and surface right part are all fixed has cup jointed coupling assembling 2, the fixed coupling assembling 2 that has cup jointed of pipe wall in the armor protecting tube 1, pipe wall cup jointed thermal-insulated pipe 3 in coupling assembling 2, pipe wall cup jointed No. one inner tube 4 in the thermal-insulated pipe 3, pipe wall cup jointed insulating tube 5 in No. one inner tube 4, pipe wall is provided with stay tube 6 in insulating tube 5, it has fire-retardant filler 7 to fill between 6 outer pipe walls of stay tube and the pipe wall in the insulating tube 5, 6 left ends interlude of stay tube is connected with three cable conductor 8.

In the embodiment, the armored protection pipe 1 comprises a first outer pipe 11, the outer surface of the first outer pipe 11 is covered with a fireproof material 12, a plurality of clamping strips 13 are fixedly connected to the outer surface of the first outer pipe 11 in an annular array mode, and the first outer pipe 11 is sleeved with the connecting component 2; the supporting tube 6 comprises a tube body 61, the inner wall of the tube body 61 is fixedly connected with three branch tubes 63, a connecting rod 64 is fixedly connected between every two adjacent branch tubes 63, heat insulation fillers 62 are filled between the inner wall of the tube body 61 and the outer walls of the three branch tubes 63, and the tube body 61 is clamped with the insulating tube 5; the three cables 8 are respectively connected with the three branch pipes 63 in an inserting mode, the whole power supply cable is protected by arranging the armored protection pipe 1, the connection between the armored protection pipe 1 and the connecting assembly 2 can be enhanced through the clamping strips 13, the stability is improved, the three cables 8 are supported by arranging the supporting pipe 6, the three branch pipes 63 in the supporting pipe 6 can support the three cables 8, the connection between the three branch pipes 63 can be enhanced through the three connecting rods 64, and the three cables 8 can be protected in a heat insulation mode through the heat insulation filler 62 in the supporting pipe 6, so that the stability is improved;

in the embodiment, the connecting assembly 2 comprises a sleeve 21, the front part and the rear part of the outer surface of the sleeve 21 are fixedly connected with supporting blocks 22, the upper part and the lower part of the outer surface of the sleeve 21 are respectively and alternately connected with a limiting screw 23, the upper ends of the two supporting blocks 22 are respectively and fixedly connected with a supporting rod 24, the upper ends of the two supporting rods 24 are respectively and alternately connected with an extending rod 25, the upper ends of the two extending rods 25 are jointly and fixedly connected with a supporting plate 26, and the sleeve 21 is sleeved with the armored protective pipe 1; two sets of fore-and-aft two stop screw 23 pass two sleeve pipes 21 respectively and contact with armor protecting tube 1, support fixedly through setting up coupling assembling 2 to the position of whole cable for the power supply, through adjusting the connection length between four bracing pieces 24 and four extension rods 25, and fix through the screw respectively, can adjust two coupling assembling 2's use length, thereby highly adjust the location of whole cable for the power supply, the flexibility is improved, two sets of fore-and-aft two stop screw 23 equally divide and do not pass two sleeve pipes 21 and the armor protecting tube 1 on card strip 13 contact, can strengthen being connected between two coupling assembling 2 and the armor protecting tube 1, and the stability is improved.

It should be noted that, the utility model relates to a cable for subway power supply with fire prevention function, in the use, all cup joint sleeve pipe 21 on two coupling assembling 2 with armor protecting tube 1, and equally divide through two sets of fore-and-aft two limit screw 23 and do not pass two sleeve pipes 21 and contact with the card strip 13 on the armor protecting tube 1, can strengthen being connected between two coupling assembling 2 and the armor protecting tube 1, support fixedly through coupling assembling 2 to the position of whole cable for power supply, through adjusting the connection length between four bracing pieces 24 and four extension rods 25, and fix through the screw respectively, can adjust two coupling assembling 2's service length, thereby highly adjust the location of whole cable for power supply, improve the flexibility, the fire-resistant material 12 that 1 surface of armor protecting tube set up can carry out fire protection to whole cable for power supply, the fire-retardant filler 7 of packing between outer pipe wall of stay tube 6 and the inner pipe wall of insulating tube 5 can further carry out fire protection to whole cable for power supply, and improve the stability, thermal-insulated filler 62 in the stay tube can carry out thermal-insulated to three cable 8, and improve the stability, and two protection 2 all protect, and all convenient installation of subway power supply, the high-resistant cable for subway location is convenient, the dismantlement, high stability is suitable for the high cable for fire-resistant for subway, the high cable for fire-resistant efficiency of electric installation, the subway, the cable for fire-resistant use.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cable for subway power supply with fire prevention function, includes armor protective tube (1), its characterized in that: the armored protective pipe comprises an armored protective pipe body (1), wherein a connecting assembly (2) is fixedly sleeved on the left portion of the outer surface of the armored protective pipe body (1) and the right portion of the outer surface of the armored protective pipe body (1), the connecting assembly (2) is fixedly sleeved on the inner wall of the armored protective pipe body (1), a heat insulation pipe (3) is sleeved on the inner wall of the heat insulation pipe (3), an inner pipe (4) is sleeved on the inner wall of the inner pipe (4), an insulation pipe (5) is sleeved on the inner wall of the insulation pipe (5), a supporting pipe (6) is arranged on the inner wall of the insulation pipe (5), a flame-retardant filler (7) is filled between the outer pipe wall of the supporting pipe (6) and the inner wall of the insulation pipe (5), and three cables (8) are alternately connected to the left end of the supporting pipe (6).

2. A cable with fire-proof function for subway power supply according to claim 1, characterized in that: armor protective tube (1) is including outer tube (11) No. one, outer surface covering of outer tube (11) has fire-proof material (12), a plurality of card strip (13) of outer surface annular array fixedly connected with of outer tube (11), outer tube (11) cup joint with coupling assembling (2).

3. A cable with fire-proof function for supplying power to a subway according to claim 1, wherein: coupling assembling (2) are including sleeve pipe (21), sleeve pipe (21) surface front portion and the equal fixedly connected with in surface rear portion prop up piece (22), sleeve pipe (21) surface upper portion and surface lower part all alternate and are connected with stop screw (23), two prop up the equal fixedly connected with bracing piece (24) in piece (22) upper end, two bracing piece (24) upper end all alternates and is connected with extension rod (25), two the common fixedly connected with extension board (26) in extension rod (25) upper end, sleeve pipe (21) cup joints with armor protecting tube (1).

4. A cable with fire-proof function for subway power supply according to claim 1, characterized in that: the supporting tube (6) comprises a tube body (61), the inner wall of the tube body (61) is fixedly connected with three branch tubes (63), a connecting rod (64) is fixedly connected between every two adjacent branch tubes (63), heat insulation filler (62) is filled between the inner wall of the tube body (61) and the outer wall of the three branch tubes (63), and the tube body (61) is clamped with the insulating tube (5).

5. A cable with fire-proof function for subway power supply according to claim 1, characterized in that: the three cables (8) are respectively connected with the three branch pipes (63) in an inserting manner.

6. A cable with fire-proof function for subway power supply according to claim 3, characterized in that: two groups of longitudinal two limiting screws (23) respectively penetrate through the two sleeves (21) to be in contact with the armored protective pipe (1).