CN206364488U - A kind of inside is equipped with the cable intermediate joint safety box of antiknock fire-proof plate - Google Patents
A kind of inside is equipped with the cable intermediate joint safety box of antiknock fire-proof plate Download PDFInfo
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- CN206364488U CN206364488U CN201621304424.8U CN201621304424U CN206364488U CN 206364488 U CN206364488 U CN 206364488U CN 201621304424 U CN201621304424 U CN 201621304424U CN 206364488 U CN206364488 U CN 206364488U
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Abstract
The utility model discloses the cable intermediate joint safety box that a kind of inside is equipped with antiknock fire-proof plate, including left case, antiknock fire-proof plate and waterproof grommet, connected between the left case and right upper case by explosion-proof interior hexagonal trip bolt screw threads for fastening, and seal washer is provided with left case and right upper case junction, connected between the lower-left housing and bottom right housing by explosion-proof interior hexagonal trip bolt screw threads for fastening, and seal washer is provided with lower-left housing and bottom right housing junction, the upper shell is provided with waterproof grommet with two ends inside lower house, fire protection flame retarding thermal insulation layer is provided between the antiknock fire-proof plate and upper shell and lower house, the outer wall of the upper shell and lower house offers explosion-proof relief point.Cable intermediate joint safety box of the inside equipped with antiknock fire-proof plate is assembled into protective housing by four housings, alleviates the weight of housing so that staff is easy for installation during installation.
Description
Technical field
The utility model is related to cable intermediate joint protection technique field, and specially a kind of inside is equipped with antiknock fire-proof plate
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 exists《Prevent 25 important requirements of power generation major accident》It is right in (version in 2000)
Cable and fire-proof and explosion-proof propose of cable intermediate joint strictly regulate requirement, to prevent Cable Firing Accident.In order to prevent fire
The generation of accident, 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 the cable intermediate joint safety box that a kind of inside is equipped with antiknock fire-proof plate, with
The current cable intermediate joint protection device for solving to propose in above-mentioned background technology only passes through joint protection box shell
To protect cable connector, inside just cannot preferably be protected greatly without other protection devices in the power for occurring explosion time generation
The problem of shield.
To achieve the above object, the utility model provides following technical scheme：A kind of inside is equipped with the electricity of antiknock fire-proof plate
Cable transition joint safety box, including left case, right upper case, lower-left housing, bottom right housing, explosion-proof interior hexagonal trip bolt,
Explosion-proof relief point, sealing strip, seal washer, fire protection flame retarding thermal insulation layer, antiknock fire-proof plate and waterproof grommet, the left case
Connected between right upper case by explosion-proof interior hexagonal trip bolt screw threads for fastening, and in left case and right upper case junction
Provided with seal washer, connected between the lower-left housing and bottom right housing by explosion-proof interior hexagonal trip bolt screw threads for fastening, and
Seal washer is provided with lower-left housing and bottom right housing junction, the left case and right upper case collectively constitute upper shell,
The lower-left housing and bottom right housing collectively constitute lower house, are fastened between the upper shell and lower house by explosion-proof interior hexagonal
Screw thread is fastenedly connected, and sealing strip, the upper shell and inside lower house two are provided with upper shell and lower house junction
End is provided with waterproof grommet, and the upper shell and lower house are internally provided with antiknock fire-proof plate, the antiknock fire-proof plate with
Fire protection flame retarding thermal insulation layer is provided between upper shell and lower house, the outer wall of the upper shell and lower house offers explosion-proof relief
Point.
It is preferred that, the upper shell and cast waterproof plugging material on the outside of lower house junction.
It is preferred that, the explosion-proof relief point is offered at eight altogether.
It is preferred that, the fire protection flame retarding thermal insulation layer is ceramic fibre material.
It is preferred that, open up fluted inside the shield shell two ends, and be fitted together in groove and have waterproof grommet.
Compared with prior art, the beneficial effects of the utility model are：In the middle of cable of the inside equipped with antiknock fire-proof plate
Joint safety box is assembled into protective housing by four housings, and the protective housing of traditional cable intermediate joint safety box is divided into two
Semicircular body is fixedly connected, but heavier-weight, also needs to entrust installation during installation, is more bothered, the protective housing is divided into four,
Alleviate the weight of housing so that staff is easy for installation during installation, sealing strip be provided with upper shell and lower house junction,
And cast waterproof plugging material on the outside of junction, the cable intermediate joint safety box is fully solved sealing problem, can
Ensure enclosure interior because of the anoxic can not spontaneous combustion, prevent fire and smoke spread and heat transfer, it is adaptable under water or severe running environment, it is to avoid
Often bubble is run cable intermediate joint in water, is made moist, and the probability of accident occurs for situations such as entering air, reduction, and inside is provided with anti-
Quick-fried fire-proof plate, the characteristics of with insulation, high-strength light and fire resistant flame retardant, thermal conductivity coefficient very little so that thermophoresis is slow, can
It is effective to resist fire, and protect its structure not by influence of fire, protective housing outer wall offers explosion-proof relief point at eight altogether, can
Occurring explosion time, pressure release is carried out by assigned direction, it is to avoid the other facilities of destruction, preventing the other cables of same ditch side by side also to break
Bad, serious will lead to cable fire, cause irremediable loss to whole power system, effectively reduce explosion wave
And the property loss that bomb fragments are caused, fire protection flame retarding thermal insulation layer can play fire protection flame retarding, heat-blocking action, and fire protection flame retarding every
Thermosphere uses ceramic fibre material, and ceramic fibre is a kind of excellent refractory material, and with lightweight, high temperature resistant, thermal capacitance is small, protect
Warm excellent heat insulating performance, high-temperature heat insulation be functional, it is non-toxic the advantages of.
Brief description of the drawings
Fig. 1 is the utility model fractionation structural representation；
Fig. 2 is that the utility model axle regards structural representation；
Fig. 3 is the utility model housing interior structure schematic diagram.
In figure：1st, left case, 2, right upper case, 3, lower-left housing, 4, bottom right housing, 5, explosion-proof interior hexagonal fastening spiral shell
Nail, 6, explosion-proof relief point, 7, sealing strip, 8, seal washer, 9, fire protection flame retarding thermal insulation layer, 10, antiknock fire-proof plate, 11, anti-watertight
Seal.
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
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is 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：In a kind of cable of inside equipped with antiknock fire-proof plate
Between joint safety box, including left case 1, right upper case 2, lower-left housing 3, bottom right housing 4, explosion-proof interior hexagonal trip bolt 5,
Explosion-proof relief point 6, sealing strip 7, seal washer 8, fire protection flame retarding thermal insulation layer 9, antiknock fire-proof plate 10 and waterproof grommet 11, upper left
Connected between housing 1 and right upper case 2 by the explosion-proof interior screw threads for fastening of hexagonal trip bolt 5, and left case 1 and right upper case
Seal washer 8 is provided with 2 junctions, it is tight by the explosion-proof interior screw thread of hexagonal trip bolt 5 between lower-left housing 3 and bottom right housing 4
It is solidly connected, and seal washer 8, left case 1 and common group of right upper case 2 is provided with lower-left housing 3 and the junction of bottom right housing 4
Into upper shell, upper shell and cast waterproof plugging material on the outside of lower house junction, and upper shell and lower house composition containment vessel
Open up fluted inside body, protective housing two ends, and be fitted together in groove and have waterproof grommet 11, with waterproof action, inside this
Cable intermediate joint safety box equipped with antiknock fire-proof plate is assembled into protective housing, traditional cable intermediate joint by four housings
The protective housing of safety box is divided into two semicircular bodies and is fixedly connected, but heavier-weight, also needs to entrust installation during installation, more
Trouble, the protective housing is divided into four, alleviates the weight of housing so that staff is easy for installation during installation, upper shell with
Cast waterproof plugging material on the outside of sealing strip, and junction is provided with lower house junction, makes the cable intermediate joint safety box
Sealing problem can fully be solved, ensure that enclosure interior because of the anoxic can not spontaneous combustion, prevent fire and smoke spread and heat transfer, be applicable
In 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, reduction
The probability of generation accident, lower-left housing 3 and bottom right housing 4 collectively constitute lower house, by explosion-proof between upper shell and lower house
The interior screw threads for fastening of hexagonal trip bolt 5 connection, and sealing strip 7, upper shell and lower casing are provided with upper shell and lower house junction
Internal portion two ends are provided with waterproof grommet 11, and upper shell is internally provided with antiknock fire-proof plate 10, antiknock fire prevention with lower house
Fire protection flame retarding thermal insulation layer 9 is provided between plate 10 and upper shell and lower house, fire protection flame retarding thermal insulation layer 9 is ceramic fibre material, pottery
Porcelain fiber is a kind of excellent refractory material, with lightweight, high temperature resistant, small thermal capacitance, insulation excellent heat insulating performance, high-temperature heat insulation
The outer wall of functional, non-toxic the advantages of, upper shell and lower house offers explosion-proof relief point 6, and explosion-proof relief point 6 is opened 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 cables are also destroyed, and serious will lead to cable fire, and irremediable loss is caused to whole power system, effectively drop
Low blast impulse involves the property loss that bomb fragments are caused.
Operation principle：When using the cable intermediate joint safety box that antiknock fire-proof plate is housed inside this, need first to whole
Cable intermediate joint safety box of the individual inside equipped with antiknock fire-proof plate has the understanding in a structure, left case 1 and upper right shell
Body 2 collectively constitutes upper shell, and lower-left housing 3 and bottom right housing 4 collectively constitute lower house, and upper shell in lower house junction with setting
It is equipped with the outside of sealing strip 7, and junction and has poured waterproof plugging material, the cable intermediate joint safety box is fully solved close
Seal sex chromosome mosaicism, ensure that enclosure interior because of the anoxic can not spontaneous combustion, prevent fire and smoke spread and heat transfer, it is adaptable under water or badly
Running environment, protective housing is made up of four housings, and case weight is lighter during installation, makes installation more convenient, is installed simple, is protected
Shield housing exterior walls offer explosion-proof relief point 6 at eight altogether, can occur explosion time, carry out pressure release by assigned direction, it is to avoid destruction
Other facilities, fire protection flame retarding thermal insulation layer 9 uses ceramic fibre material, plays fire protection flame retarding, heat-blocking action.
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)
1. a kind of inside be equipped with antiknock fire-proof plate cable intermediate joint safety box, including left case (1), right upper case (2),
Lower-left housing (3), bottom right housing (4), explosion-proof interior hexagonal trip bolt (5), explosion-proof relief point (6), sealing strip (7), sealing gasket
Enclose (8), fire protection flame retarding thermal insulation layer (9), antiknock fire-proof plate (10) and waterproof grommet (11), it is characterised in that：The upper left shell
Connected between body (1) and right upper case (2) by explosion-proof interior hexagonal trip bolt (5) screw threads for fastening, and left case (1) and the right side
Seal washer (8) is provided with upper shell (2) junction, explosion-proof interior six are passed through between the lower-left housing (3) and bottom right housing (4)
Angle trip bolt (5) screw threads for fastening is connected, and provided with seal washer (8) in lower-left housing (3) and bottom right housing (4) junction,
The left case (1) and right upper case (2) collectively constitute upper shell, the lower-left housing (3) and the common group of bottom right housing (4)
Into lower house, connected between the upper shell and lower house by explosion-proof interior hexagonal trip bolt (5) screw threads for fastening, and upper shell
Waterproof grommet is provided with two ends inside sealing strip (7), the upper shell and lower house are provided with lower house junction
(11), the upper shell and lower house are internally provided with antiknock fire-proof plate (10), the antiknock fire-proof plate (10) and upper shell and
Fire protection flame retarding thermal insulation layer (9) is provided between lower house, the outer wall of the upper shell and lower house offers explosion-proof relief point
(6)。
2. a kind of inside according to claim 1 is equipped with the cable intermediate joint safety box of antiknock fire-proof plate, its feature exists
In：The upper shell and cast waterproof plugging material on the outside of lower house junction, and upper shell and lower house composition protective housing.
3. a kind of inside according to claim 1 is equipped with the cable intermediate joint safety box of antiknock fire-proof plate, its feature exists
In：The explosion-proof relief point (6) is offered at eight altogether.
4. a kind of inside according to claim 1 is equipped with the cable intermediate joint safety box of antiknock fire-proof plate, its feature exists
In：The fire protection flame retarding thermal insulation layer (9) is ceramic fibre material.
5. a kind of inside according to claim 2 is equipped with the cable intermediate joint safety box of antiknock fire-proof plate, its feature exists
In：Open up fluted inside the protective housing two ends, and in groove be fitted together to have waterproof grommet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621304424.8U CN206364488U (en) | 2016-11-30 | 2016-11-30 | A kind of inside is equipped with the cable intermediate joint safety box of antiknock fire-proof plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621304424.8U CN206364488U (en) | 2016-11-30 | 2016-11-30 | A kind of inside is equipped with the cable intermediate joint safety box of antiknock fire-proof plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206364488U true CN206364488U (en) | 2017-07-28 |
Family
ID=59373133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621304424.8U Active CN206364488U (en) | 2016-11-30 | 2016-11-30 | A kind of inside is equipped with the cable intermediate joint safety box of antiknock fire-proof plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206364488U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599088A (en) * | 2018-04-28 | 2018-09-28 | 国网北京市电力公司 | Cable connector protective device |
| CN108899860A (en) * | 2018-09-04 | 2018-11-27 | 沈阳伊思特机器人自动化科技有限公司 | Fireproof cable dividing box |
| CN112421558A (en) * | 2020-12-01 | 2021-02-26 | 深圳供电局有限公司 | Power cable intermediate head protector |
-
2016
- 2016-11-30 CN CN201621304424.8U patent/CN206364488U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599088A (en) * | 2018-04-28 | 2018-09-28 | 国网北京市电力公司 | Cable connector protective device |
| CN108899860A (en) * | 2018-09-04 | 2018-11-27 | 沈阳伊思特机器人自动化科技有限公司 | Fireproof cable dividing box |
| CN108899860B (en) * | 2018-09-04 | 2024-03-29 | 沈阳北方艾克电缆有限公司 | Fireproof cable branch box |
| CN112421558A (en) * | 2020-12-01 | 2021-02-26 | 深圳供电局有限公司 | Power cable intermediate head protector |
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| Date | Code | Title | Description |
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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. |