CN208738813U - Cable intermediate joint flame-proof explosion-proof box - Google Patents
Cable intermediate joint flame-proof explosion-proof box Download PDFInfo
- Publication number
- CN208738813U CN208738813U CN201821473661.6U CN201821473661U CN208738813U CN 208738813 U CN208738813 U CN 208738813U CN 201821473661 U CN201821473661 U CN 201821473661U CN 208738813 U CN208738813 U CN 208738813U
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- Prior art keywords
- explosion
- proof
- proof box
- heat
- intermediate joint
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Abstract
The utility model relates to armored cassette technical fields, in particular cable intermediate joint flame-proof explosion-proof box, including explosion-proof box body, explosion-proof box body includes two shells, the inner wall of shell offers radiating groove close to seben side, seben is equipped with multiple heat conducting pipes close to pressing plate side, the cable intermediate joint flame-proof explosion-proof box, explosion-proof box body integrally uses SMC composite material through forging and pressing one-pass molding, it is whole there is no weak spot, there are extremely strong explosion-proof capabilities, explosion time is generated when accident occurs for cable intermediate joint, the high pressure draught that explosion can be generated, flame and fragment are limited in armored cassette, heat is entered in heat-dissipating pipe by multiple heat release holes, and then heat is emptied, improve whole heat dissipation effect, pressing plate has good elasticity, the impact force that explosion generates can be slowed down, and then explosion-proof box body is avoided to burst, reduce security risk, plug When plate enters radiating groove, pressure release passage can be formed with heat-dissipating pipe, convenient for timely air pressure is discharged, reduce the harm that explosion generates.
Description
Technical field
The utility model relates to armored cassette technical fields, specially cable intermediate joint flame-proof explosion-proof box.
Background technique
With the high speed development of national economy, power grid cables popularity is higher and higher, and more and more cables are concentrated
In cable duct, cable shaft or the underground that is laid in side by side.Due to unit cable limited length, needed on a usual route one or
Multiple connectors carry out extension length, to meet power reguirements.It is well known that cable intermediate joint is the most weak link of cable.
According to power fault analysis, the reason of causing cable fire to occur is that cable intermediate joint production quality is bad, pressure
Connector is not tight, contact cable resistance is excessive, cable connector overheat caused by longtime running finally results in cable duct or direct-burried electricity
The generation of cable fire.Various corrosive liquids are poured into cable duct well along with urban waterlogging, corruption is generated to cable intermediate joint
Erosion, cable intermediate joint construct under wet weather and have been mixed into the reasons such as aqueous vapor, and causing cable intermediate joint, it is easy to appear events
Barrier even explodes.And now, common cable is more in cable duct well, some ditch wells are also possible to be flooded with the imflammable gas such as biogas,
Once exploding, even a spark, may all ignite cable connector entire ditch well, cause huge economic loss, or even raise
Cable duct manhole cover plate damages pedestrian.In consideration of it, it is proposed that cable intermediate joint flame-proof explosion-proof box.
Utility model content
The purpose of this utility model is to provide cable intermediate joint flame-proof explosion-proof boxes, to solve to mention in above-mentioned background technique
Cable connector caused by longtime running out overheats the problem of generation for finally resulting in cable duct or direct-buried cable fire.
To achieve the above object, the utility model provides the following technical solutions:
Cable intermediate joint flame-proof explosion-proof box, including explosion-proof box body, the explosion-proof box body include two shells, the shell
Inner wall be provided with seben, the outer casing inner wall is provided with insulating inner lining close to the seben side, and the inner wall of the shell leans on
The nearly seben side offers radiating groove, heat-dissipating pipe is equipped in the shell, the outer wall of the heat-dissipating pipe offers multiple
Heat release hole, the inner surface of the seben are equipped with pressing plate, and the seben is equipped with multiple heat conducting pipes close to the pressing plate side.
Preferably, the size of the seben and the size of the radiating groove are adapted.
Preferably, the heat conducting pipe passes through the pressing plate and is welded on the seben outer wall.
Preferably, the outer wall of the shell is provided with multiple dead rings, and the both ends of the dead ring are separately installed with first
Mounting plate, the inner wall of the junction block are embedded with sealing ring, and the connector inside pipe wall offers recessed close to described sealing ring one end
Slot, the outer wall of the junction block are equipped with a pair of second mounting plate.
Preferably, first mounting plate and the dead ring are an integral molding structure.
Preferably, second mounting plate and the junction block are an integral molding structure.
Preferably, the size of the groove and the size of the heat-dissipating pipe are adapted.
Compared with prior art, the utility model has the beneficial effects that
1, the cable intermediate joint flame-proof explosion-proof box, explosion-proof box body integrally use SMC composite material through forging and pressing one-pass molding,
It is whole there is no weak spot, there are extremely strong explosion-proof capabilities, generates explosion time when accident occurs for cable intermediate joint, explosion can be generated
High pressure draught, flame and fragment be limited in armored cassette, avoid fault spread, prevent the generation of the secondary disaster.
2, the cable intermediate joint flame-proof explosion-proof box, heat are entered in heat-dissipating pipe by multiple heat release holes, and then to heat
It is emptied, improves whole heat dissipation effect.
3, the cable intermediate joint flame-proof explosion-proof box, pressing plate have good elasticity, can slow down the impact that explosion generates
Power, and then explosion-proof box body is avoided to burst, reduce security risk.
4, when seben enters radiating groove, it is logical can to form pressure release with heat-dissipating pipe for the cable intermediate joint flame-proof explosion-proof box
Road reduces the harm that explosion generates convenient for timely air pressure is discharged.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the interior of shell structural schematic diagram of the utility model；
Fig. 3 is schematic enlarged-scale view at A in Fig. 2 of the utility model；
Fig. 4 is the heat-dissipating pipe of the utility model and the mounting structure schematic diagram of shell；
Fig. 5 is the seben structural schematic diagram of the utility model.
In figure: 1, explosion-proof box body；2, shell；21, seben；211, pressing plate；212, heat conducting pipe；22, insulating inner lining；23, it dissipates
Heat channel；24, heat-dissipating pipe；25, heat release hole；26, dead ring；27, the first mounting plate；3, connecting tube；4, junction block；41, sealing ring；
42, groove；43, the second mounting plate.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Embodiment 1
Cable intermediate joint flame-proof explosion-proof box, as shown in Fig. 2, Fig. 4 and Fig. 5, including explosion-proof box body 1, explosion-proof box body 1 include
Two shells 2, the inner wall of shell 2 are provided with seben 21, and 2 inner wall of shell is provided with insulating inner lining 22 close to 21 side of seben, outside
The inner wall of shell 2 offers radiating groove 23 close to 21 side of seben, and heat-dissipating pipe 24 is equipped in shell 2, and the outer wall of heat-dissipating pipe 24 is opened
Equipped with multiple heat release holes 25, the inner surface of seben 21 is equipped with pressing plate 211, and seben 21 is equipped with multiple close to 211 side of pressing plate
Heat conducting pipe 212, the size of seben 21 and the size of radiating groove 23 are adapted, and heat conducting pipe 212 passes through pressing plate 211 and is welded on seben
On 21 outer walls.
In the present embodiment, insulating inner lining 22 is made of ceramic beaverboard material, and material has good heat insulation,
And anti-flammability is strong, avoids in explosion-proof box body 1 temperature excessively high and generates explosion phenomenon.
Further, pressing plate 211 is made of nitrile rubber material, and material has good elasticity, and sealing effect
It is good.
Specifically, heat conducting pipe 212 and heat release hole 25 communicate, the heat of heat conducting pipe 212 is enabled to be transmitted to heat release hole 25
It is interior, and then improve heat dissipation effect.
In addition, being hollow structure inside heat-dissipating pipe 24 and heat conducting pipe 212, and it is made of metal copper material, further
The whole heat dissipation effect of raising.
Use SMC composite material through forging and pressing one-pass molding it is worth noting that explosion-proof box body 1 is whole, so that explosion-proof box body 1
Corrosion-resistant pollution-free, antifouling anti-moth, heat-resisting freeze proof, electric heating good insulating, the capability of antidetonance is strong, fire retardancy is strong, resistance to pressure is strong and
Maintenance cost is low.
Embodiment 2
As second of embodiment of the utility model, for the ease of being installed to explosion-proof box body 1, the present invention staff couple
The structure of explosion-proof box body 1 makes improvements, and as a kind of preferred embodiment, as shown in figures 1 and 3, the outer wall of shell 2 is provided with more
A dead ring 26, the both ends of dead ring 26 are separately installed with the first mounting plate 27, and the inner wall of junction block 4 is embedded with sealing ring 41,
4 inner wall of junction block opens up fluted 42 close to 41 one end of sealing ring, and the outer wall of junction block 4 is equipped with a pair of second mounting plate 43,
First mounting plate 27 and dead ring 26 are an integral molding structure, and the second mounting plate 43 and junction block 4 are an integral molding structure, groove
42 size and the size of heat-dissipating pipe 24 are adapted.
In the present embodiment, sealing ring 41 is made of rubber material, and material has good elasticity, sealing effect
It is good.
Further, heat-dissipating pipe 24 and groove 42 are engaged by clamping, and heat-dissipating pipe 24 can be fixed in groove 42, and will dissipate
Heat pipe 24 extends junction block 4, and heat is discharged.
Specifically, the outer surface of the first mounting plate 27 and the second mounting plate 43 offers threaded hole, it is convenient for installing.
The cable intermediate joint flame-proof explosion-proof box of the utility model is inserted into explosion-proof box body 1 during installation, by cable connector
Inside, the both ends of cable connector are pressed on sealing ring 41 so that cable connector and 1 integral sealing effect of explosion-proof box body are good,
And prevent to water source entering, then be each passed through the first mounting plate 27 and the second mounting plate 43 by bolt, so that two 2 clampings of shell
On cable connector, so that integral installation is firm, use SMC composite material through forging and pressing one-pass molding since explosion-proof box body 1 is whole,
It is whole there is no weak spot, there are extremely strong explosion-proof capabilities, generates explosion time when accident occurs for cable intermediate joint, explosion can be generated
High pressure draught, flame and fragment be limited in armored cassette, avoid fault spread, prevent the generation of the secondary disaster, simultaneously should
Material can resist invading for acid, alkali, salt, seawater, raw sewerage, corrosive ground or underground water and numerous chemical fluids
Erosion has nontoxic, rustless, tasteless, without secondary pollution to water quality and without corrosion-resistant good characteristic, and 1 insulated electro of explosion-proof box body
Resistance is suitable for being used in transmission of electricity in 1012-1015 Ω/cm, telecommunication line compact district, and excellent thermal insulation performance；
When in use, cable connector can generate the cable intermediate joint flame-proof explosion-proof box of the utility model after longtime running
A large amount of heat, heat penetrates seben 21, and is transmitted in heat release hole 25 through the multiple heat conducting pipes 212 in 21 bottom of seben, hot at this time
Amount is entered in heat-dissipating pipe 24 by multiple heat release holes 25, and then is emptied to heat, and whole heat dissipation effect, while electricity are improved
When cable joint generates explosion phenomenon, the impact force of explosion pushes into seben 21 in radiating groove 23, and pressing plate 211 is with good
Elasticity can slow down the impact force that explosion generates, and then explosion-proof box body 1 is avoided to burst, and reduce security risk, and seben 21 enters
When to radiating groove 23, pressure release passage can be formed with heat-dissipating pipe 24, convenient for timely air pressure is discharged, reduce the danger that explosion generates
Evil.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model
Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical
In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (7)
1. cable intermediate joint flame-proof explosion-proof box, including explosion-proof box body (1), which is characterized in that the explosion-proof box body (1) includes two
The inner wall of a shell (2), the shell (2) is provided with seben (21), and shell (2) inner wall is close to the seben (21) side
It is provided with insulating inner lining (22), the inner wall of the shell (2) offers radiating groove (23) close to the seben (21) side, described
It is equipped with heat-dissipating pipe (24) in shell (2), the outer wall of the heat-dissipating pipe (24) offers multiple heat release holes (25), the seben
(21) inner surface is equipped with pressing plate (211), and the seben (21) is equipped with multiple heat conducting pipes close to the pressing plate (211) side
(212)。
2. cable intermediate joint flame-proof explosion-proof box according to claim 1, it is characterised in that: the size of the seben (21)
It is adapted with the size of the radiating groove (23).
3. cable intermediate joint flame-proof explosion-proof box according to claim 1, it is characterised in that: the heat conducting pipe (212) is worn
It crosses the pressing plate (211) and is welded on the seben (21) outer wall.
4. cable intermediate joint flame-proof explosion-proof box according to claim 1, it is characterised in that: the outer wall of the shell (2)
It is provided with multiple dead rings (26), the both ends of the dead ring (26) are separately installed with the first mounting plate (27), the junction block
(4) inner wall is embedded with sealing ring (41), and junction block (4) inner wall opens up fluted close to the sealing ring (41) one end
(42), the outer wall of the junction block (4) is equipped with a pair of second mounting plate (43).
5. cable intermediate joint flame-proof explosion-proof box according to claim 4, it is characterised in that: first mounting plate (27)
It is an integral molding structure with the dead ring (26).
6. cable intermediate joint flame-proof explosion-proof box according to claim 4, it is characterised in that: second mounting plate (43)
It is an integral molding structure with the junction block (4).
7. cable intermediate joint flame-proof explosion-proof box according to claim 4, it is characterised in that: the size of the groove (42)
It is adapted with the size of the heat-dissipating pipe (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821473661.6U CN208738813U (en) | 2018-09-10 | 2018-09-10 | Cable intermediate joint flame-proof explosion-proof box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821473661.6U CN208738813U (en) | 2018-09-10 | 2018-09-10 | Cable intermediate joint flame-proof explosion-proof box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208738813U true CN208738813U (en) | 2019-04-12 |
Family
ID=66033244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821473661.6U Expired - Fee Related CN208738813U (en) | 2018-09-10 | 2018-09-10 | Cable intermediate joint flame-proof explosion-proof box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208738813U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112688268A (en) * | 2020-12-21 | 2021-04-20 | 海南电网有限责任公司三亚供电局 | Flame-retardant explosion-proof device for intermediate joint |
| CN112701652A (en) * | 2020-12-21 | 2021-04-23 | 海南电网有限责任公司三亚供电局 | Be applied to fire-proof device that explodes of cable junction |
-
2018
- 2018-09-10 CN CN201821473661.6U patent/CN208738813U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112688268A (en) * | 2020-12-21 | 2021-04-20 | 海南电网有限责任公司三亚供电局 | Flame-retardant explosion-proof device for intermediate joint |
| CN112701652A (en) * | 2020-12-21 | 2021-04-23 | 海南电网有限责任公司三亚供电局 | Be applied to fire-proof device that explodes of cable junction |
| CN112688268B (en) * | 2020-12-21 | 2022-02-11 | 海南电网有限责任公司三亚供电局 | Flame-retardant explosion-proof device for intermediate joint |
| CN112701652B (en) * | 2020-12-21 | 2022-03-11 | 海南电网有限责任公司三亚供电局 | Be applied to fire-proof device that explodes of cable junction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 Termination date: 20210910 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |