CN203103867U - Flame-retardant fireproof sleeve for power cable - Google Patents
Flame-retardant fireproof sleeve for power cable Download PDFInfo
- Publication number
- CN203103867U CN203103867U CN 201320142239 CN201320142239U CN203103867U CN 203103867 U CN203103867 U CN 203103867U CN 201320142239 CN201320142239 CN 201320142239 CN 201320142239 U CN201320142239 U CN 201320142239U CN 203103867 U CN203103867 U CN 203103867U
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- power cable
- fire
- cable
- flame
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a flame-retardant fireproof sleeve for a power cable. The flame-retardant fireproof sleeve comprises two hollow semi-cylindrical jackets with two semicircular openings, wherein the open surfaces of the jackets are opposite to each other and are combined to form a tubular sleeve; a fixing component is arranged at the joint of the semi-cylindrical jackets; the fixed warping edge of the fixing component is arranged on the tubular side edge of the semi-cylindrical jackets; a positioning hole is formed in the fixed warping edge; and a positioning bolt penetrates through the positioning hole, so that the two semi-cylindrical jackets are combined together. The flame-retardant fireproof sleeve for the power cable is simple in structure and low in cost, the fire resistance and flame-retardant property of the power cable can be greatly improved when meeting fire or short circuit, the phenomenon that fire is caused because the peripheral combustibles are ignited or the cable is ignited by the external combustibles due to the cable short-circuit can be avoided, the transformation on the original power cable is extremely small, the distribution structure of the original power cable is not influenced, and the flame-retardant fireproof sleeve is applicable to the fireproof flame-retardant fields of various power cables.
Description
Technical field
The utility model relates to a kind of electric power facility fire equipment, relates in particular to the sleeve pipe that a kind of fire-retardant fireproof that is applied to power cable is used.
Background technology
At present in each electric power facility, especially at cable testing bridge and vertical shaft, often be provided with a considerable amount of power cables, and the cable of laying at these cable testing bridges and vertical shaft at present all is with cable exposure outside, although what cable itself was selected for use is the flame retardant type cable, but during real breaking out of fire, its duration of fire resistance is quite limited, do not prevent the direct baking burning of thermal-flame yet, if and at ordinary times because of short circuit produce 1000 the degree about high temperature, can cause burning equally, thereby initiation fire accident, can give out toxic gas during more owing to cable fire, according to investigations, the toxic gas that the burning of objects such as the cable and wire in the fire incident produces is one of major reason that causes escape personnel's casualty accident.
So now need a kind of power cable that can prevent when running into fire or short circuit; the device of the cable fire that high temperature causes can prevent because of cable short circuit initiation fire and peripheral combustible shot-firing cable, stops fire to take place; thereby protected electric power facility safety, improved the fire resistance property of building.
The utility model content
For the power cable that solves under the prior art can't be tackled the problem of cable short circuit initiation fire and peripheral combustible shot-firing cable, the utility model provides a kind of power cable fire-retardant fireproof sleeve pipe, by on power cable, installing this device additional, make it obtain higher fire-retardant fireproof ability, concrete structure of the present utility model is as described below:
A kind of power cable fire-retardant fireproof sleeve pipe comprises sleeve pipe, it is characterized in that:
Its semi-cylindrical chuck that to be specially two openings be semicircular hollow of described sleeve pipe;
The opening surface of the semi-cylindrical chuck that described two openings are semicircular hollow is combined to form a tubular sleeve in twos relatively mutually;
The junction of described semi-cylindrical chuck is provided with fixation kit.
Semi-cylindrical chuck of the present utility model is to be formed through the scientific allocation compacting by multiple incombustible material, it is good to have fire resistance, meeting fire can not reach more than 3 hours burning time, the mechanical strength height, characteristics such as not quick-fried, water-fast, oily, chemically-resistant anticorrosive property is strong, nontoxic, indeformable when the best temperature of flame reaches 1000 ℃, every index meets the regulation requirement of GA161-1997, and combustibility reaches A level (noninflammability) standard of GB8624 regulation.
According to a kind of power cable fire-retardant fireproof sleeve pipe of the present utility model, it is characterized in that, the equal and opposite in direction of described semi-cylindrical chuck, the casing inner diameter that is combined to form a tubular sleeve in twos relatively mutually is slightly larger than the diameter 2～3mm of power cable, power cable is placed the centre of two semi-cylindrical chucks, form the tubular sleeve of integral type.
According to a kind of power cable fire-retardant fireproof sleeve pipe of the present utility model, it is characterized in that, described fixation kit comprises fixedly alice and bolt, wherein fixedly alice is arranged on the pipe lateral edges of semi-cylindrical chuck, fixedly offering location hole on the alice, bolt passes this location hole two semi-cylindrical chucks is combined.
A kind of power cable fire-retardant fireproof sleeve pipe of the present utility model, choose the semi-cylindrical chuck of corresponding size when mounted earlier according to the diameter of power cable, at hole place, the ground of passing through floors a semi-cylindrical chuck is fixed on the cable fixed support then, then cable is placed on the centre of semi-cylindrical chuck, in the middle of with another semi-cylindrical chuck cable being wrapped in again, carry out with support formally fixing again, at last the bolt of fixation kit is screwed in the location hole on the fixedly alice of the pipe lateral edges that is arranged on the semi-cylindrical chuck, two semi-cylindrical chucks are combined, so just play the fire-retardant plugging action of fireproofing of cable, be not less than 50mm(and generally be 100mm clogging around the hole and between the floor interlayer and receive face, using again with fire proofing material at last with anti-chamotte) the fire prevention organic material carry out fire-retardant protective jacket periphery floor hole and carry out surperficial shutoff.
Should also be noted that during installation if use the words of power cable of the present utility model in the intermediate course position of floor extremely down with the fire-retardant fireproof sleeve pipe from last floor, should be with cable from the power cable of the present utility model that installs in advance with passing in the fire-retardant fireproof sleeve pipe and fixing with the cable fixed support, must keep being bonded together with upper and lower semi-cylindrical chuck, hole is received face with fire prevention calking filling, anti-chamotte again and between the floor interlayer.Can avoid producing fire and taking place because of ignite peripheral combustible or outside combustible shot-firing cable of cable short circuit.
Use a kind of power cable of the present utility model to obtain following beneficial effect with the fire-retardant fireproof sleeve pipe:
1. a kind of power cable of the present utility model is used the fire-retardant fireproof sleeve pipe, and it is simple in structure, cost is lower, but it has adopted multiple incombustible material to form through the scientific allocation compacting, with the power cable parcel wherein, can improve the fire retardant performance of power cable when running into fire or short circuit greatly, can avoid producing fire and taking place because of ignite peripheral combustible or outside combustible shot-firing cable of cable short circuit.
2. a kind of power cable of the present utility model is used the fire-retardant fireproof sleeve pipe, and it is easy for installation, and is few to the transformation of original power cable, does not influence the distributed architecture of original power cable.
Description of drawings
Fig. 1 is the concrete structure schematic diagram of a kind of power cable of the present utility model with the fire-retardant fireproof sleeve pipe;
Fig. 2 is install concrete schematic diagram power cable after of a kind of power cable of the present utility model with the fire-retardant fireproof sleeve pipe.
Among the figure: 1-semi-cylindrical chuck, the 2-fixation kit, 2a-is alice fixedly, 2b-bolt, 2c-location hole, 3-power cable.
Embodiment
Below in conjunction with drawings and Examples a kind of power cable of the present utility model is further described with the fire-retardant fireproof sleeve pipe.
Embodiment
As depicted in figs. 1 and 2, a kind of power cable fire-retardant fireproof sleeve pipe, comprise the semi-cylindrical chuck 1 that two openings are semicircular hollow, the opening surface of chuck is combined to form a tubular sleeve in twos relatively mutually, and the junction of semi-cylindrical chuck is provided with fixation kit.
Semi-cylindrical chuck of the present utility model is to be formed through the scientific allocation compacting by multiple incombustible material, it is good to have fire resistance, meeting fire can not reach more than 3 hours burning time, the mechanical strength height, characteristics such as not quick-fried, water-fast, oily, chemically-resistant anticorrosive property is strong, nontoxic, indeformable when the best temperature of flame reaches 1000 ℃, every index meets the regulation requirement of GA161-1997, and combustibility reaches A level (noninflammability) standard of GB8624 regulation.
The equal and opposite in direction of semi-cylindrical chuck 1, the casing inner diameter that is combined to form a tubular sleeve in twos relatively mutually is slightly larger than the diameter 2～3mm of power cable 3, and power cable is placed the centre of two semi-cylindrical chucks, forms the tubular sleeve of integral type.
A kind of power cable fire-retardant fireproof sleeve pipe of the present utility model, choose the semi-cylindrical chuck 1 of corresponding size when mounted earlier according to the diameter of power cable 3, at hole place, the ground of passing through floors a semi-cylindrical chuck is fixed on the cable fixed support then, then cable is placed on the centre of semi-cylindrical chuck, in the middle of with another semi-cylindrical chuck cable being wrapped in again, carry out with support formally fixing again, at last the bolt 2b of fixation kit 2 is screwed in the location hole 2c on the fixedly alice 2a of the pipe lateral edges that is arranged on the semi-cylindrical chuck, two semi-cylindrical chucks are combined, so just play the fire-retardant plugging action of fireproofing of cable, be not less than 50mm(and generally be 100mm clogging around the hole and between the floor interlayer and receive face, using again with fire proofing material at last with anti-chamotte) the fire prevention organic material carry out fire-retardant protective jacket periphery floor hole and carry out surperficial shutoff.
Should also be noted that during installation if use the words of power cable of the present utility model in the centre position of floor extremely down with the fire-retardant fireproof sleeve pipe from last floor, should be with cable from the power cable of the present utility model that installs in advance with passing in the fire-retardant fireproof sleeve pipe and fixing with the cable fixed support, must keep being bonded together with upper and lower semi-cylindrical chuck, hole is received face with fire prevention calking filling, anti-chamotte again and between the floor interlayer.Can avoid producing fire and taking place because of ignite peripheral combustible or outside combustible shot-firing cable of cable short circuit.
A kind of power cable of the present utility model is used the fire-retardant fireproof sleeve pipe, and it is simple in structure, cost is lower, but can improve the fire retardant performance of power cable when running into fire or short circuit greatly, can avoid producing fire and taking place because of ignite peripheral combustible or outside combustible shot-firing cable of cable short circuit, and the transformation to original power cable is few, do not influence the distributed architecture of original power cable, be applicable to the fire protection flame retarding field of various power cables.
Claims (3)
1. a power cable fire-retardant fireproof sleeve pipe comprises sleeve pipe, it is characterized in that:
Its semi-cylindrical chuck (1) that to be specially two openings be semicircular hollow of described sleeve pipe;
The opening surface of the semi-cylindrical chuck (1) that described two openings are semicircular hollow is combined to form a tubular sleeve in twos relatively mutually;
The junction of described semi-cylindrical chuck (1) is provided with fixation kit (2).
2. a kind of power cable fire-retardant fireproof sleeve pipe as claimed in claim 1, it is characterized in that, the equal and opposite in direction of described semi-cylindrical chuck (1), the casing inner diameter that is combined to form a tubular sleeve in twos relatively mutually is slightly larger than the diameter 2～3mm of power cable (3), power cable is placed the centre of two semi-cylindrical chucks, form the tubular sleeve of integral type.
3. a kind of power cable fire-retardant fireproof sleeve pipe as claimed in claim 1, it is characterized in that, described fixation kit (2) comprises fixedly alice (2a) and bolt (2b), wherein fixedly alice is arranged on the pipe lateral edges of semi-cylindrical chuck (1), and should be fixedly the length of alice and the equal in length of semi-cylindrical chuck, fixedly offering location hole (2c) on the alice, bolt passes this location hole two semi-cylindrical chucks is combined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320142239 CN203103867U (en) | 2013-03-26 | 2013-03-26 | Flame-retardant fireproof sleeve for power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320142239 CN203103867U (en) | 2013-03-26 | 2013-03-26 | Flame-retardant fireproof sleeve for power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103867U true CN203103867U (en) | 2013-07-31 |
Family
ID=48855244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320142239 Expired - Lifetime CN203103867U (en) | 2013-03-26 | 2013-03-26 | Flame-retardant fireproof sleeve for power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203103867U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113652A (en) * | 2015-09-16 | 2015-12-02 | 华东建筑设计研究院有限公司 | Flexible steel structure inhaul cable fireproof protection structure |
| CN106297991A (en) * | 2016-10-31 | 2017-01-04 | 耒阳星宇电线电缆有限公司 | A kind of cable of good-toughness |
| CN108270182A (en) * | 2016-12-30 | 2018-07-10 | 厦门金龙旅行车有限公司 | A kind of fireproof for electric vehicle cable-through hole |
| CN109653968A (en) * | 2017-10-11 | 2019-04-19 | 中车兰州机车有限公司玉门风电分公司 | A kind of wind-power tower platform cable aperture fire-proof timing |
-
2013
- 2013-03-26 CN CN 201320142239 patent/CN203103867U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113652A (en) * | 2015-09-16 | 2015-12-02 | 华东建筑设计研究院有限公司 | Flexible steel structure inhaul cable fireproof protection structure |
| CN106297991A (en) * | 2016-10-31 | 2017-01-04 | 耒阳星宇电线电缆有限公司 | A kind of cable of good-toughness |
| CN108270182A (en) * | 2016-12-30 | 2018-07-10 | 厦门金龙旅行车有限公司 | A kind of fireproof for electric vehicle cable-through hole |
| CN108270182B (en) * | 2016-12-30 | 2024-02-20 | 厦门金龙旅行车有限公司 | A fire prevention sheath for electric automobile wire hole |
| CN109653968A (en) * | 2017-10-11 | 2019-04-19 | 中车兰州机车有限公司玉门风电分公司 | A kind of wind-power tower platform cable aperture fire-proof timing |
| CN109653968B (en) * | 2017-10-11 | 2023-08-01 | 中车兰州机车有限公司玉门风电分公司 | Wind-powered electricity generation tower section of thick bamboo platform cable hole fire prevention support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |
|
| CX01 | Expiry of patent term |