CN206353690U - A kind of duplicate protection cable intermediate joint safety box that there is inner bag and fire-proof mud is filled - Google Patents
A kind of duplicate protection cable intermediate joint safety box that there is inner bag and fire-proof mud is filled Download PDFInfo
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- CN206353690U CN206353690U CN201621305053.5U CN201621305053U CN206353690U CN 206353690 U CN206353690 U CN 206353690U CN 201621305053 U CN201621305053 U CN 201621305053U CN 206353690 U CN206353690 U CN 206353690U
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Abstract
The utility model discloses a kind of duplicate protection cable intermediate joint safety box for having inner bag and filling fire-proof mud, including outer casing upper cover, fire-proof mud and shell lower cover, connected between outer casing upper cover and the shell lower cover by explosion-proof interior hexagonal holding screw screw threads for fastening, the outer wall of outer casing upper cover and the shell lower cover offers explosion-proof relief point, waterproof grommet is installed inside the tightening mouth, the inside of the outer casing upper cover and shell lower cover is provided with inner bag, and fire-proof mud is provided with inside inner bag, the inwall of the outer casing upper cover and shell lower cover has fire protection flame retarding thermal insulation layer.This has inner bag and fills the duplicate protection cable intermediate joint safety box of fire-proof mud for duplicate protection cable intermediate joint safety box; inner bag is additionally provided with inside protective housing; and fire-proof mud is filled in inner bag; it can prevent cable from being spread when occurring fire from hole to adjacent room; reduce the property loss that fire is produced; the expansion of accident is avoided, and with the function such as resistance cigarette, fire prevention, dust-proof.
Description
Technical field
The utility model is related to cable protection box technical field, specially a kind of to have inner bag and fill the dual of fire-proof mud
Protect cable intermediate joint safety box.
Background technology
The 18 great anti-accident measures of power network (revised edition) 13.2.1.5 of State Grid Corporation of China in 2011 prevent cable fire
The outermost layer of the non-direct-burried cable connector of calamity should coat fire proofing, oil-filled cable joint and the joint for laying intensive midium voltage cable
Closed using fire resisting anti-explosion groove box.13.2.2.1 the in-service joint of cable close quarters should install fire prevention channel box additional or take other to prevent
Fiery quarantine measures.
State Grid Corporation of China of China exists《Prevent 25 important requirements of power generation major accident》(version in 2000)
In propose fire-proof and explosion-proof to cable and cable intermediate joint strictly regulate requirement, to prevent Cable Firing Accident.In order to prevent
The generation of fire incident, should be implemented item by item《Power equipment typical case's fire-fighting code》And other pertinent regulations (DL5027-93).
Because cable intermediate joint is cable most weak link, it is of equal importance with cable.With China's national economy
High speed development, Chinese cableization popularizes engineering throughout each city, and cable is focused on electricity by increasing cable chemical industry journey
In cable ditch or cable shaft, the cable intermediate joint of cable shaft or cable duct in power grid construction is provided by the cableization of national grid
It is not allow side by side, but due to existing in many objectively factor cables among urban distribution network cable chemical industry journey of today
Between the situation of joint side by side seem to avoid, and common cable intermediate joint be often three or so it is even more simultaneously
Row；The cable duct cable outlet of transformer station is often more than ten or more.With the popularization of power cable chemical industry journey, cable thing
Therefore rate also increases therewith, a host of facts are proved, most cable fault is relevant with cable accessory, particularly in cable indirectly
Head.Due to quality and mounting process, cable intermediate joint once explodes, gently other cables then same ditch side by side
Also destroy, serious will lead to cable fire, and irremediable loss is caused to whole power system.
Current cable intermediate joint protection device only protects cable connector by joint protection box shell, interior
Portion does not have other protection devices, just cannot preferably be protected greatly in the power for occurring explosion time generation.
Utility model content
The purpose of this utility model is to provide in a kind of duplicate protection cable for having inner bag and filling fire-proof mud indirectly
Head safety box, only cable connector is protected with solve to propose in above-mentioned background technology by joint protection box shell,
Inside is without other protection devices, the problem of the power for occurring explosion time generation just cannot be protected preferably greatly.
To achieve the above object, the utility model provides following technical scheme：It is a kind of that there is inner bag and fire-proof mud is filled
Duplicate protection cable intermediate joint safety box, including outer casing upper cover, tightening mouth, explosion-proof relief point, sealing strip, explosion-proof interior hexagonal are tight
Determine screw, inner bag, waterproof grommet, fire protection flame retarding thermal insulation layer, fire-proof mud and shell lower cover, the outer casing upper cover and shell lower cover
Between connected by explosion-proof interior hexagonal holding screw screw threads for fastening, the outer wall of outer casing upper cover and the shell lower cover offers anti-
Quick-fried pressure release point, the outer casing upper cover is provided with sealing strip, the outer casing upper cover and shell lower cover two ends with shell lower cover junction
Diameter diminishes to form tightening mouth, and waterproof grommet is provided with inside the tightening mouth, and the outer casing upper cover is interior with shell lower cover
Portion, which is provided with inside inner bag, and inner bag, is provided with fire-proof mud, the inwall of the outer casing upper cover and shell lower cover with fire protection flame retarding every
Thermosphere.
It is preferred that, the explosion-proof relief point is offered at eight altogether.
It is preferred that, the outer casing upper cover uses wavy shaped configuration, and outer casing upper cover and shell lower cover with shell lower cover
Wave mode is U-shaped wave mode.
It is preferred that, the outer casing upper cover collectively constitutes protective housing, and the outer surface spraying of protective housing with shell lower cover
There is anti-corrosion uvioresistant powder.
It is preferred that, fire protection flame retarding thermal insulation layer is provided between the protective housing and inner bag, and fire-proof mud is filled inside inner bag.
Compared with prior art, the beneficial effects of the utility model are：The dual guarantor that there is inner bag and fire-proof mud is filled
Shield cable intermediate joint safety box protective housing uses wavy shaped configuration, and the U-shaped structure of wave mode, it is ensured that occurring electric arc
During the situation of heat release boosting, the wave of protective housing can absorb part energy under pressure, and housing radial dimension increases,
Explosion-proof effect is reached, protective housing connects into a main body by two shells by explosion-proof interior hexagonal trip bolt, and two
Sealing strip is provided with individual cage connection, the two ends diameter of protective housing diminishes to form tightening mouth, anti-watertight is provided with inside tightening mouth
Seal, can play sealing, waterproof action so that the cable intermediate joint safety box be all-sealed structure, it is adaptable under water or dislike
Bad running environment, it is to avoid often bubble is run cable intermediate joint in water, is made moist, accident occurs for situations such as entering air, reduction
Probability, protective housing outer wall offers explosion-proof relief point at eight altogether, can occur explosion time, carry out pressure release by assigned direction, keep away
Exempt to destroy other facilities, prevent the other cables of same ditch side by side also to destroy, serious will lead to cable fire, to whole electricity
Force system causes irremediable loss, and effectively reduction blast impulse involves the property loss that bomb fragments are caused, protective housing
Outer surface is coated with anti-corrosion uvioresistant powder so that protective housing can play preferably fire prevention, fire retardation, fire prevention resistance for a long time
Combustion thermal insulation layer can play fire protection flame retarding, heat-blocking action, and the cable intermediate joint safety box is duplicate protection cable intermediate joint
It is additionally provided with inside safety box, protective housing in inner bag, and inner bag and fills fire-proof mud, for the holes blocking of cable, can be prevented
Cable is spread when occurring fire from hole to adjacent room, reduces the property loss that fire is produced, it is to avoid the expansion of accident, and have
Hinder the function such as cigarette, fire prevention, dust-proof.
Brief description of the drawings
Fig. 1 is the utility model cable intermediate joint safety box structural representation；
Fig. 2 is the utility model cable intermediate joint safety box inner-tube structure schematic diagram；
Fig. 3 is the utility model cable intermediate joint safety box internal structure schematic diagram.
In figure：1st, outer casing upper cover, 2, tightening mouth, 3, explosion-proof relief point, 4, sealing strip, 5, explosion-proof interior hexagonal holding screw,
6th, inner bag, 7, waterproof grommet, 8, fire protection flame retarding thermal insulation layer, 9, fire-proof mud, 10, shell lower cover.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole realities
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：It is a kind of that there is inner bag and the dual of fire-proof mud is filled
Protection cable intermediate joint safety box, including outer casing upper cover 1, tightening mouth 2, explosion-proof relief point 3, sealing strip 4, explosion-proof interior hexagonal are tight
Determine screw 5, inner bag 6, waterproof grommet 7, fire protection flame retarding thermal insulation layer 8, fire-proof mud 9 and shell lower cover 10, outer casing upper cover 1 and shell
Connected between lower cover 10 by the explosion-proof interior screw threads for fastening of hexagonal holding screw 5, outer casing upper cover 1 collectively constitutes guarantor with shell lower cover 10
Protective case body, and the outer surface of protective housing is coated with anti-corrosion uvioresistant powder, protective housing outer surface is coated with the anti-purple of anti-corrosion
Outside line powder so that protective housing can play preferably fire prevention, fire retardation for a long time, outer casing upper cover 1 is adopted with shell lower cover 10
With wavy shaped configuration, and the wave mode of outer casing upper cover 1 and shell lower cover 10 is U-shaped wave mode, it is ensured that occurring electric arc heat release
During the situation of boosting, the wave of protective housing can absorb part energy under pressure, and the increase of housing radial dimension reaches
The outer wall of explosion-proof effect, outer casing upper cover 1 and shell lower cover 10 offers explosion-proof relief point 3, and explosion-proof relief point 3 is offered altogether
At eight, can occur explosion time, pressure release is carried out by assigned direction, it is to avoid the other facilities of destruction, prevent same ditch side by side other
Cable is also destroyed, and serious will lead to cable fire, causes irremediable loss effectively to reduce to whole power system
Blast impulse involves the property loss that bomb fragments are caused, and outer casing upper cover 1 is provided with sealing strip 4 with the junction of shell lower cover 10,
Outer casing upper cover 1 diminishes to form tightening mouth 2 with the two ends diameter of shell lower cover 10, is provided with waterproof grommet 7 inside tightening mouth 2, outside
The inside of lid 1 and shell lower cover 10 is provided with inner bag 6 on shell, and the inside of inner bag 6 is provided with fire-proof mud 9, between protective housing and inner bag 6
Provided with filling fire-proof mud 9 inside fire protection flame retarding thermal insulation layer 8, and inner bag 6, fire protection flame retarding thermal insulation layer 8 can play fire protection flame retarding, every
Heat effect, the cable intermediate joint safety box is in being additionally provided with inside duplicate protection cable intermediate joint safety box, protective housing
Fire-proof mud 9 is filled in courage 6, and inner bag 6, for the holes blocking of cable, can prevent cable occur fire when from hole to
Adjacent room is spread, and reduces the property loss that fire is produced, it is to avoid the expansion of accident, and with the function such as cigarette, fire prevention, dust-proof is hindered, outside
The inwall of lid 1 and shell lower cover 10 has fire protection flame retarding thermal insulation layer 8 on shell.
Operation principle：In the duplicate protection cable intermediate joint safety box that there is inner bag and fire-proof mud is filled using this,
Need to have in a structure to entirely there is inner bag and the duplicate protection cable intermediate joint safety box of fire-proof mud is filled first
Solution, outer casing upper cover 1 and shell lower cover 10 connect into protective housing by explosion-proof interior hexagonal holding screw 5, and protective housing outer wall is opened
Provided with explosion-proof relief point 3 at eight, can occur explosion time, pressure release is carried out by assigned direction, it is to avoid the other facilities of destruction, with effective
Reduction blast impulse involves the probability that bomb fragments cause any property loss, and protective housing inwall has fire protection flame retarding thermal insulation layer 8, tool
There are fire protection flame retarding, heat-blocking action, protective housing two ends diameter diminishes to form tightening mouth 2, and waterproof grommet is provided with tightening mouth 2
7, outer casing upper cover 1 and the junction of shell lower cover 10 are provided with sealing strip so that the cable intermediate joint safety box is all-sealed structure,
Suitable under water or severe running environment, it is to avoid often bubble is run cable intermediate joint in water, is made moist, situations such as entering air,
The probability of accident occurs for reduction, and the cable intermediate joint safety box is duplicate protection cable intermediate joint safety box, protective housing
Inside it is additionally provided with inner bag 6, inner bag 6 and fills fire-proof mud 9, for the holes blocking of cable, can prevents cable from occurring fire
When spread from hole to adjacent room, reduce the property loss that fire is produced, it is to avoid the expansion of accident, and with resistance cigarette, fire prevention, dust-proof
Etc. function, so as to play double protection functions, the protective housing uses wavy shaped configuration, and wave mode is U-shaped, it is ensured that in hair
During the situation of raw electric arc heat release boosting, the wave of protective housing can absorb part energy, housing radial ruler under pressure
Very little increase, reaches explosion-proof effect, and protective housing outer surface is coated with anti-corrosion uvioresistant powder so that protective housing can be long-term
Play preferably fire prevention, fire retardation.
In summary, although the utility model is described in detail with reference to the foregoing embodiments, for this area
For technical staff, it can still modify to the technical scheme described in foregoing embodiments, or to which part
Technical characteristic carries out equivalent substitution, all within spirit of the present utility model and principle, any modification for being made, equivalent substitution,
Improve etc., it should be included within protection domain of the present utility model.
Claims (5)
- With inner bag and the duplicate protection cable intermediate joint safety box of fire-proof mud is filled 1. a kind of, including it is outer casing upper cover (1), tight Necking (2), explosion-proof relief point (3), sealing strip (4), explosion-proof interior hexagonal holding screw (5), inner bag (6), waterproof grommet (7), Fire protection flame retarding thermal insulation layer (8), fire-proof mud (9) and shell lower cover (10), it is characterised in that：Under the outer casing upper cover (1) and shell Cover between (10) by explosion-proof interior hexagonal holding screw (5) screw threads for fastening connection, the outer casing upper cover (1) and shell lower cover (10) Outer wall offer explosion-proof relief point (3), the outer casing upper cover (1) is provided with sealing strip with shell lower cover (10) junction (4), the outer casing upper cover (1) diminishes to form tightening mouth (2) with shell lower cover (10) two ends diameter, and the tightening mouth (2) is internal Waterproof grommet (7) is installed, the inside of the outer casing upper cover (1) and shell lower cover (10) is provided with inner bag (6), and inner bag (6) Inside is provided with fire-proof mud (9), and the outer casing upper cover (1) and the inwall of shell lower cover (10) have fire protection flame retarding thermal insulation layer (8).
- 2. a kind of duplicate protection cable intermediate joint safety that there is inner bag and fire-proof mud is filled according to claim 1 Box, it is characterised in that：The explosion-proof relief point (3) is offered at eight altogether.
- 3. a kind of duplicate protection cable intermediate joint safety that there is inner bag and fire-proof mud is filled according to claim 1 Box, it is characterised in that：The outer casing upper cover (1) and shell lower cover (10) use wavy shaped configuration, and outer casing upper cover (1) with it is outer The wave mode of shell lower cover (10) is U-shaped wave mode.
- 4. a kind of duplicate protection cable intermediate joint safety that there is inner bag and fire-proof mud is filled according to claim 1 Box, it is characterised in that：The outer casing upper cover (1) collectively constitutes protective housing, and the appearance of protective housing with shell lower cover (10) Face is coated with anti-corrosion uvioresistant powder.
- 5. a kind of duplicate protection cable intermediate joint safety that there is inner bag and fire-proof mud is filled according to claim 4 Box, it is characterised in that：It is provided with inside fire protection flame retarding thermal insulation layer (8), and inner bag (6) and fills between the protective housing and inner bag (6) Full fire-proof mud (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621305053.5U CN206353690U (en) | 2016-11-30 | 2016-11-30 | A kind of duplicate protection cable intermediate joint safety box that there is inner bag and fire-proof mud is filled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621305053.5U CN206353690U (en) | 2016-11-30 | 2016-11-30 | A kind of duplicate protection cable intermediate joint safety box that there is inner bag and fire-proof mud is filled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206353690U true CN206353690U (en) | 2017-07-25 |
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ID=59347811
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621305053.5U Active CN206353690U (en) | 2016-11-30 | 2016-11-30 | A kind of duplicate protection cable intermediate joint safety box that there is inner bag and fire-proof mud is filled |
Country Status (1)
| Country | Link |
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| CN (1) | CN206353690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711918A (en) * | 2016-11-30 | 2017-05-24 | 广东安诺新材料科技有限公司 | Double protection cable intermediate joint safety box provided with inner container and fully filled with fireproofing mud |
-
2016
- 2016-11-30 CN CN201621305053.5U patent/CN206353690U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711918A (en) * | 2016-11-30 | 2017-05-24 | 广东安诺新材料科技有限公司 | Double protection cable intermediate joint safety box provided with inner container and fully filled with fireproofing mud |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 528325 Maicun Second Industrial Zone, Xingtan Town, Shunde District, Foshan City, Guangdong Province, No. 6 No. 2 East Second Road, Jincun Avenue (Residence Declaration) Patentee after: GUANGDONG ANNUO NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 529400 B8-2, No. three, Enping Park, Jiangmen industrial transfer industrial park, Enping, Guangdong, China (1) Patentee before: GUANGDONG ANNUO NEW MATERIAL TECHNOLOGY Co.,Ltd. |