CN202384736U - Flame-retardant and anti-explosion box for intermediate joint of cable - Google Patents
Flame-retardant and anti-explosion box for intermediate joint of cable Download PDFInfo
- Publication number
- CN202384736U CN202384736U CN2011205090453U CN201120509045U CN202384736U CN 202384736 U CN202384736 U CN 202384736U CN 2011205090453 U CN2011205090453 U CN 2011205090453U CN 201120509045 U CN201120509045 U CN 201120509045U CN 202384736 U CN202384736 U CN 202384736U
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- Prior art keywords
- housing
- flame
- proof
- cable
- intermediate joint
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Abstract
The utility model relates to a flame-retardant and anti-explosion box for an intermediate joint of a cable. The flame-retardant and anti-explosion box comprises two butted semi-cylindrical shells, and is characterized in that necking down parts are arranged at both ends of the shells and are provided with through-holes used for the cable to pass through; sealing grooves are arranged in the necking down parts; sealing rings are arranged in the sealing grooves; flange parts are arranged at the butted parts of the shells; a plurality of bolt holes are arranged in the flange parts at intervals; sealing strips are arranged on butted surfaces of the flanged parts; the two shells are locked to form a whole through a plurality of bolts; asbestos plates used for insulating heat and retarding flame are arranged on the inner walls of the shells; inner cavities of the shells are filled with fireproof bags; and the necking down parts of the shells are filled with fireproof mud. The flame-retardant and anti-explosion box has the advantages of simple structure, high strength and good sealing performance, and can effectively prevent the intermediate joint of the cable from being burnt, so explosion is avoided.
Description
Technical field
The utility model relates to a kind of explosion-protection equipment, particularly a kind of cable intermediate joint flame-proof explosion-proof box.
Background technology
The transition joint of cable produces sparking, short circuit because of wearing out easily even blasts in long-term the use, cause economic heavy losses even threaten personal life security.Existing a kind of cable intermediate joint armored cassette (CN2621353) is made up of explosion-resistant enclosure and explosion-proof inner casing; It is filled with fire proofing between explosion-resistant enclosure and explosion-proof inner casing; When cable is blasted, must guarantee that explosion-proof inner casing can ftracture rapidly, just can reach the purpose of knock down the flame.Not only sealing is poor for this cable intermediate joint armored cassette, and water and air gets into easily, and then causes cable to have an accident, and dangerous reliable, if explosion-proof inner casing can't in time ftracture, then can't realize fire-retardant, explosion-proof.
Summary of the invention
In view of the deficiency of prior art, the purpose of the utility model is to provide a kind of good airproof performance and safe and reliable cable intermediate joint flame-proof explosion-proof box.
To achieve these goals; The technical scheme of the utility model is: a kind of cable intermediate joint flame-proof explosion-proof box; It is characterized in that: comprise the semi-cylindrical shells of two butt joints, the two ends of said housing are provided with necking part, and said necking part has the through hole that is used to wear cable; Said necking part offers seal groove, is provided with sealing ring in the said seal groove; The joint of said housing is provided with flange part; Spaced apart several bolts hole that is provided with of said flange part; The interface of said flange part is provided with sealing strip, and two housings are integral through several bolt lockings, and the inwall of said housing is provided with the asbestos board that is used for heat-insulating flame-retardant; The inner chamber of said housing is filled with the fire prevention bag, and the necking part of said housing is filled with anti-chamotte.
Further, said housing is processed by corrosion resistant plate.
Further, the thickness of said housing is more than the 1.5mm.
Further, said housing is provided with and is used for false proof H type protuberance.
Further, said sealing ring is a rubber seal.
Further, the thickness of said sealing strip is 4mm.
Compared with prior art; The utlity model has following advantage: (1) this cable intermediate joint flame-proof explosion-proof box is threaded by two semi-cylindrical shells and forms; Its two ends are provided with necking part, and not only structural strength is big, and explosion-proof ability is strong; And cable, also convenient for maintaining are installed in convenient butt joint; (2) flange part of this two semi-cylindrical shells butt joint is provided with sealing strip, and the necking part at two ends also is provided with sealing ring, and good airproof performance stops water and air etc. to get in the box protection cable effectively; (3) fire resistance of the asbestos board in this housing, fire prevention bag and anti-chamotte is good, and effectively heat-insulating flame-retardant prevents blast, avoids the loss of lives and properties to greatest extent.
Description of drawings
Fig. 1 is the organigram of the utility model embodiment.
Fig. 2 is the organigram of housing.
Fig. 3 is the organigram of asbestos board.
Fig. 4 is the organigram of sealing ring.
Fig. 5 is the organigram of sealing strip.
Among the figure: 1-housing, 1-1-necking part, 1-2-through hole, 1-3-seal groove, 1-4-flange part, 1-5-screwed hole, 1-6-H type protuberance, 2-sealing ring, 3-sealing strip, 4-asbestos board.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further elaboration.
With reference to figure 1 ~ 5; A kind of cable intermediate joint flame-proof explosion-proof box; Comprise the semi-cylindrical shells 1 of two butt joints, the two ends of said housing 1 are provided with necking part 1-1, and said necking part 1-1 has the through hole 1-2 that is used to wear cable; Said necking part 1-1 offers seal groove 1-3, is provided with sealing ring 2 in the said seal groove 1-3; The joint of said housing 1 is provided with flange part 1-4, and spaced apart several bolts hole 1-5 that is provided with of said flange part 1-4, the interface of said flange part 1-4 are provided with 3, two housings 1 of sealing strip and are integral through several bolt lockings; The inwall of said housing 1 is provided with the asbestos board 4 that is used for heat-insulating flame-retardant, and the inner chamber of said housing 1 is filled with the fire prevention bag, and the necking part 1-1 of said housing 1 is filled with anti-chamotte.
In the present embodiment, said housing 1 can be made by materials such as stainless steels, and the thickness of said housing 1 is 1.5mm; The length of said housing 1 is 1400mm; The middle part radius of said housing 1 is 100mm, and the necking part 1-1 radius of said housing 1 is 50mm, and the middle part of said housing 1 is 250mm to the transition arc radius of necking part 1-1; Have advantages such as antirust, corrosion-resistant, long service life and structural strength are big; Said sealing strip 3 can prevent that water and air etc. from getting in the box, and the thickness of said sealing strip 3 is 4mm; The seal groove 1-3 radius of said necking part 1-1 is 53mm, and said sealing ring 2 is a rubber seal.Said housing 1 is provided with and is used for false proof H type protuberance 1-6, and anti-false sign can also be other types certainly.
In the present embodiment, two housings 1 are coated on cable in the asbestos board 4 and filling fire prevention bag in cavity; Asbestos board 4 has high fire resistance, electrical insulating property and thermal insulation, can carry out heat-insulating flame-retardant to cable effectively; The fire prevention encrust adopts by braiding closely, through the durable glass fabric system pouch of special processing, and inner special type fire, heat-barrier material and the expanding material of filling; Fire prevention bag has noninflammability, and fire endurance can reach more than 4 hours, under higher temperature, expands and solidifies; Form a kind of sealing of heat insulation, separated cigarette; And the fire prevention good anti-moisture ability can effectively stop the intensity of a fire to scurry combustion along cable and spread, and avoids the loss of lives and properties to greatest extent.The necking part 1-1 of said housing 1 inserting end through 2 pairs two cables of sealing ring respectively seals and with the stifled through hole 1-2 of fire prevention mudding; Anti-chamotte is a kind of flexible flame retardant material; Have advantages such as fire endurance height, the amount of being fuming are low, good corrosion resistance; Prevent electric wire, cable breaking out of fire and spread to the adjacent room, reduce fire damage by hole.
The above is merely the preferred embodiment of the utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model.
Claims (6)
1. cable intermediate joint flame-proof explosion-proof box; Comprise the semi-cylindrical shells of two butt joints, it is characterized in that: the two ends of said housing are provided with necking part, and said necking part has the through hole that is used to wear cable; Said necking part offers seal groove, is provided with sealing ring in the said seal groove; The joint of said housing is provided with flange part; Spaced apart several bolts hole that is provided with of said flange part; The interface of said flange part is provided with sealing strip, and two housings are integral through several bolt lockings, and the inwall of said housing is provided with the asbestos board that is used for heat-insulating flame-retardant; The inner chamber of said housing is filled with the fire prevention bag, and the necking part of said housing is filled with anti-chamotte.
2. cable intermediate joint flame-proof explosion-proof box according to claim 1, it is characterized in that: said housing is processed by corrosion resistant plate.
3. cable intermediate joint flame-proof explosion-proof box according to claim 1 and 2 is characterized in that: the thickness of said housing is more than the 1.5mm.
4. cable intermediate joint flame-proof explosion-proof box according to claim 1 is characterized in that: said housing is provided with and is used for false proof H type protuberance.
5. cable intermediate joint flame-proof explosion-proof box according to claim 1 is characterized in that: said sealing ring is a rubber seal.
6. cable intermediate joint flame-proof explosion-proof box according to claim 1 is characterized in that: the thickness of said sealing strip is 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205090453U CN202384736U (en) | 2011-12-09 | 2011-12-09 | Flame-retardant and anti-explosion box for intermediate joint of cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205090453U CN202384736U (en) | 2011-12-09 | 2011-12-09 | Flame-retardant and anti-explosion box for intermediate joint of cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384736U true CN202384736U (en) | 2012-08-15 |
Family
ID=46633210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205090453U Expired - Lifetime CN202384736U (en) | 2011-12-09 | 2011-12-09 | Flame-retardant and anti-explosion box for intermediate joint of cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202384736U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633610A (en) * | 2013-11-04 | 2014-03-12 | 珠海市普立永信电力设备有限公司 | Anti-explosion protection box for center coupling of cable |
| CN103825240A (en) * | 2014-03-17 | 2014-05-28 | 国家电网公司 | Airtight box for intermediate head of cable |
| CN105826893A (en) * | 2016-06-20 | 2016-08-03 | 国网新疆电力公司乌鲁木齐供电公司 | Cable insulation anti-explosion box with observation opening |
| CN106972448A (en) * | 2017-04-14 | 2017-07-21 | 苏州鼎鑫冷热缩材料有限公司 | A kind of armored cassette being easily installed |
| CN108321755A (en) * | 2018-02-08 | 2018-07-24 | 珠海众盛电力科技有限公司 | Cable intermediate joint water proof fire retardant armored cassette |
-
2011
- 2011-12-09 CN CN2011205090453U patent/CN202384736U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633610A (en) * | 2013-11-04 | 2014-03-12 | 珠海市普立永信电力设备有限公司 | Anti-explosion protection box for center coupling of cable |
| CN103825240A (en) * | 2014-03-17 | 2014-05-28 | 国家电网公司 | Airtight box for intermediate head of cable |
| CN105826893A (en) * | 2016-06-20 | 2016-08-03 | 国网新疆电力公司乌鲁木齐供电公司 | Cable insulation anti-explosion box with observation opening |
| CN106972448A (en) * | 2017-04-14 | 2017-07-21 | 苏州鼎鑫冷热缩材料有限公司 | A kind of armored cassette being easily installed |
| CN108321755A (en) * | 2018-02-08 | 2018-07-24 | 珠海众盛电力科技有限公司 | Cable intermediate joint water proof fire retardant armored cassette |
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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: 20120815 |
|
| CX01 | Expiry of patent term |