CN218455991U

CN218455991U - High-voltage fire-resistant power cable

Info

Publication number: CN218455991U
Application number: CN202222006486.2U
Authority: CN
Inventors: 陈龙; 叶斌; 朱学勇; 何元元
Original assignee: ANHUI HUALING CABLE GROUP CO LTD
Current assignee: ANHUI HUALING CABLE GROUP CO LTD
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-02-07
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a high pressure fire-resistant power cable, including cable body, suspension assembly and smoke alarm, the cable body includes the oversheath, the fixed steel band armor that is provided with in inside of oversheath. The utility model discloses a fixed steel strip armor that is provided with in the inside of overcoat, can utilize low smoke and zero halogen oversheath to have fire-retardantly, it is fire-retardant, high strength is stand wear and tear, resistant greasy dirt and characteristics such as corrosion-resistant flame retardant property are good, utilize the steel strip armor to improve the structural strength of cable body after that, can protect the copper conductor, adopt the multistage protection mode, thereby improve the refractiveness of cable body, then utilize the copper conductor to adopt the anaerobic copper wire inner core, resistance is little, good electric conductive property, it is fire-resistant, recycle the gim peg and fix the position sleeve, then utilize the positioning fixture block to carry on spacingly to smoke alarm, after that, utilize smoke alarm to survey smog on every side, when meetting the conflagration, can remind the resident to carry out rescue work fast.

Description

High-voltage fire-resistant power cable

Technical Field

The utility model relates to a power cable technical field specifically is a high-pressure fire-resistant power cable.

Background

The power cable is a cable for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station outgoing lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater, in the power lines, the proportion of the cable is gradually increased, the power cable is a cable product for transmitting and distributing high-power electric energy in main lines of a power system, and comprises various voltage grades of 1-500kV and above, and various insulated power cables can be divided into medium-voltage power cables, low-voltage power cables (35 kV and below), high-voltage cables (110 kV and above), ultrahigh-voltage cables (275-800 kV) and ultrahigh-voltage cables (1000 kV and above) according to the voltage grades, and can also be divided into alternating-current cables and direct-current cables according to the current system.

Through retrieval, patent publication No. CN214312749U discloses a high-voltage fire-resistant power cable, and the technical scheme is as follows: including cable core and flame retardant coating, the outside of cable core is provided with the flame retardant coating, the outside of flame retardant coating is provided with the insulating layer, the outside of insulating layer is provided with left fire-resistant shell, and a fire-resistant power cable of high pressure beneficial effect is: use through the cooperation of left fire-resistant shell and right fire-resistant shell, the outside of cable core is provided with flame retardant coating and insulating layer, the flame retardant coating can prevent that the cable from being burnt out, the inner sheath of insulating layer protection does not receive mechanical damage and chemical corrosion, contactless vapor wets, with the outside of left fire-resistant shell and right fire-resistant shell cover at the cable core, the user drives first gear and second gear through adjustment handle and bull stick and rotates, the second gear passes through screw rod and thread bush and drives movable rod and check lock lever removal, lock left fire-resistant shell and right fire-resistant shell, it is not good to have solved current cable high pressure fire-resistant effect, and lack protective structure's problem.

The existing high-voltage fire-resistant power cable has the following defects:

1. the power cable is inconvenient to carry out multi-stage protection, and the fire resistance of the power cable is influenced;

2. the smoke around is inconvenient to detect in real time, and when a fire disaster occurs, residents cannot be reminded to rescue quickly.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high-pressure fire-resistant power cable.

(II) technical scheme

The utility model provides a fire-resistant power cable of high pressure, includes the cable body, hangs subassembly and smoke alarm, the cable body includes the oversheath, the inside of oversheath is fixed and is provided with the steel band armor, the surface of cable body cup joints and is provided with locating component, one side movable mounting of locating component has smoke alarm, the subassembly that hangs has all been cup jointed at locating component's both ends.

Preferably, an inner lining is fixedly arranged inside the steel-tape armor layer, and a filling layer is fixedly arranged inside the inner lining.

Preferably, the inside equidistance of filling layer is provided with the shielding layer, and the inside fixed insulating layer that is provided with of shielding layer, the inside fixed copper conductor that is provided with of insulating layer.

Preferably, the locating component comprises a locating sleeve, a locating bolt is installed on the surface of the locating sleeve in a threaded mode, and a locating clamping block is installed on one side of the locating sleeve in an equidistant mode.

Preferably, the suspension assembly comprises a sleeve ring, a threaded rod penetrates through the inner part of the sleeve ring, and a hinged shaft is fixedly arranged on the other side of the sleeve ring.

Preferably, one end of the hinge shaft is movably provided with a hook.

(III) advantageous effects

The utility model provides a high-pressure fire-resistant power cable has following advantage:

(1) The steel strip armor layer is fixedly arranged in the outer sheath, so that the characteristics of flame retardance, fire resistance, high strength, abrasion resistance, oil stain resistance, corrosion resistance, good flame retardance and the like of the low-smoke halogen-free outer sheath can be utilized, the structural strength of the cable body is improved by utilizing the steel strip armor layer, the copper conductor can be protected, a multi-stage protection mode is adopted, the fire resistance of the cable body is improved, and then the copper conductor is provided with the oxygen-free copper wire inner core, so that the cable is small in resistance, good in electric conductivity and fire-resistant;

(2) The positioning assembly is sleeved on the surface of the cable body, the positioning sleeve can be sleeved on the surface of the cable body, then the positioning bolt is used for fixing the positioning sleeve, then the positioning fixture block is used for limiting the smoke alarm, then the smoke alarm is used for detecting surrounding smoke, and when a fire disaster occurs, residents can be reminded to quickly rescue;

(3) The suspension component is sleeved at the two ends of the positioning component, the lantern ring can be sleeved on the surface of the cable body, then the threaded rod is rotated, the threaded rod and the internal thread sleeve can be used in a matched mode, then the threaded rod is utilized to adjust the internal thread sleeve in a left-right mode, the lantern ring is fixed on the surface of the cable body, then the angle of the hook is adjusted by the aid of the hinged shaft, then the hook is used for suspending the cable body, and work is convenient to adjust according to laying requirements.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic view of a top view of a partial structure of the cable body of the present invention;

fig. 3 is a schematic top view of the shielding layer according to the present invention;

fig. 4 is a partial perspective view of the suspension assembly of the present invention;

fig. 5 is a partial perspective view of the positioning assembly of the present invention.

In the figure: 1. a cable body; 101. an outer sheath; 102. a steel tape armor layer; 103. a filling layer; 104. an inner liner; 105. a shielding layer; 106. an insulating layer; 107. a copper conductor; 2. a suspension assembly; 201. a collar; 202. a threaded rod; 203. hinging a shaft; 204. hooking; 3. a positioning assembly; 301. positioning a fixture block; 302. a positioning sleeve; 303. positioning bolts; 4. a smoke alarm.

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.

As shown in fig. 1-5, the utility model provides a high-pressure fire-resistant power cable, including cable body 1, suspension assembly 2 and smoke alarm 4, cable body 1 includes oversheath 101, the inside of oversheath 101 is fixed and is provided with steel strip armor 102, the inside of steel strip armor 102 is fixed and is provided with interior bush 104, the inside of interior bush 104 is fixed and is provided with filling layer 103, the inside equidistance of filling layer 103 is provided with shielding layer 105, the inside of shielding layer 105 is fixed and is provided with insulating layer 106, the inside of insulating layer 106 is fixed and is provided with copper conductor 107;

specifically, as shown in fig. 1, 2 and 3, when in use, the steel tape armor layer 102 is fixedly arranged inside the outer sheath 101, so that the characteristics of flame retardance, fire resistance, high strength, wear resistance, oil stain resistance, corrosion resistance, flame retardance and the like of the low-smoke halogen-free outer sheath 101 can be utilized, the steel tape armor layer 102 is utilized to improve the structural strength of the cable body 1, the copper conductor 107 can be protected, a multi-stage protection mode is adopted, the fire resistance of the cable body 1 is improved, and then the copper conductor 107 is utilized to adopt an oxygen-free copper wire inner core, so that the cable is small in resistance, good in conductivity and fire-resistant;

the surface of the cable body 1 is sleeved with a positioning component 3, the positioning component 3 comprises a positioning sleeve 302, a positioning bolt 303 is installed on the surface of the positioning sleeve 302 in a threaded mode, positioning fixture blocks 301 are installed on one side of the positioning sleeve 302 at equal intervals, and a smoke alarm 4 is movably installed on one side of the positioning component 3;

specifically, as shown in fig. 1 and 5, in use, the positioning component 3 is sleeved on the surface of the cable body 1, the positioning sleeve 302 can be sleeved on the surface of the cable body 1, the positioning sleeve 302 is fixed by the positioning bolt 303, the smoke alarm 4 is limited by the positioning fixture block 301, surrounding smoke is detected by the smoke alarm 4, and when a fire occurs, residents can be reminded to rapidly rescue the fire, the smoke alarm 4 is electrically connected with the cable body 1 through a wire, the smoke alarm 4 monitors the smoke concentration to prevent the fire, and an ion type smoke sensor is adopted inside, is an advanced sensor and works stably and reliably, and is widely applied to various fire alarm systems;

the two ends of the positioning component 3 are sleeved with the suspension components 2, each suspension component 2 comprises a lantern ring 201, a threaded rod 202 penetrates through the interior of each lantern ring 201, a hinge shaft 203 is fixedly arranged on the other side of each lantern ring 201, and a hook 204 is movably arranged at one end of each hinge shaft 203;

specifically, as shown in fig. 1 and 4, during the use, through all cup jointing at locating component 3's both ends and hanging subassembly 2, can overlap the lantern ring 201 on the surface of cable body 1, then rotatory threaded rod 202, can utilize threaded rod 202 and internal thread cover to cooperate the use, then utilize threaded rod 202 to adjust about the inside of internal thread cover, thereby fix the lantern ring 201 on the surface of cable body 1, then utilize articulated shaft 203 to adjust the angle of couple 204, then utilize couple 204 to hang cable body 1, the work of being convenient for is adjusted according to laying needs.

The working principle is as follows: when the cable is used, firstly, the lantern ring 201 is sleeved on the surface of the cable body 1, then the threaded rod 202 is rotated, the threaded rod 202 and the internal thread sleeve can be used in a matched mode, then the threaded rod 202 is used for conducting left-right adjustment inside the internal thread sleeve, therefore, the lantern ring 201 is fixed on the surface of the cable body 1, then the angle of the hook 204 is adjusted through the hinge shaft 203, and then the cable body 1 is hung through the hook 204;

secondly, the positioning sleeve 302 is sleeved on the surface of the cable body 1, then the positioning bolt 303 is used for fixing the positioning sleeve 302, then the positioning fixture block 301 is used for limiting the smoke alarm 4, then the smoke alarm 4 is used for detecting surrounding smoke, and when a fire occurs, residents can be reminded to quickly rescue;

finally, the low-smoke halogen-free outer sheath 101 is used for flame retardance, and then the steel tape armor layer 102 is used for improving the structural strength of the cable body 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and applications of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire-resistant power cable of high pressure, includes cable body (1), hangs subassembly (2) and smoke alarm (4), its characterized in that: the cable comprises a cable body (1) and is characterized in that the cable body (1) comprises an outer sheath (101), a steel tape armor layer (102) is fixedly arranged inside the outer sheath (101), a positioning assembly (3) is sleeved on the surface of the cable body (1), a smoke alarm (4) is movably arranged on one side of the positioning assembly (3), and suspension assemblies (2) are sleeved at two ends of the positioning assembly (3).

2. A high voltage fire resistant power cable according to claim 1, characterized in that: an inner lining (104) is fixedly arranged inside the steel-tape armor layer (102), and a filling layer (103) is fixedly arranged inside the inner lining (104).

3. A high voltage fire resistant power cable according to claim 2, characterized in that: the shielding layer (105) is arranged in the filling layer (103) at equal intervals, the insulating layer (106) is fixedly arranged in the shielding layer (105), and the copper conductor (107) is fixedly arranged in the insulating layer (106).

4. A high voltage fire resistant power cable according to claim 1, characterized in that: the positioning assembly (3) comprises a positioning sleeve (302), a positioning bolt (303) is installed on the surface of the positioning sleeve (302) in a threaded mode, and a positioning clamping block (301) is installed on one side of the positioning sleeve (302) in an equidistant mode.

5. A high voltage fire resistant power cable according to claim 1, characterized in that: hang subassembly (2) including lantern ring (201), the inside through mounting of lantern ring (201) has threaded rod (202), and the opposite side fixed mounting of lantern ring (201) has articulated shaft (203).

6. A high voltage fire resistant power cable according to claim 5, characterized in that: one end of the articulated shaft (203) is movably provided with a hook (204).