CN106786331A - A kind of armored cassette for transparent cable intermediate joint - Google Patents
A kind of armored cassette for transparent cable intermediate joint Download PDFInfo
- Publication number
- CN106786331A CN106786331A CN201611088612.6A CN201611088612A CN106786331A CN 106786331 A CN106786331 A CN 106786331A CN 201611088612 A CN201611088612 A CN 201611088612A CN 106786331 A CN106786331 A CN 106786331A
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- China
- Prior art keywords
- lower cover
- upper lid
- transparent
- cable
- seal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
Abstract
The invention discloses a kind of armored cassette for transparent cable intermediate joint, including upper lid, lower cover, let out energy port lid, seal bead and excessive disjunctor layer, the upper lid is mutually butted into cylindrical tube shape body with lower cover, upper lid is docked with lower cover by plane, and the two ends of the cylindrical barrel are shunk and are forming a cylinders with small diameter respectively near two end positions, two seal grooves side by side are respectively arranged with the inside of cylinders with small diameter, and it is mounted on the first sealing ring in each described seal groove, the upper lid adds fire proofing to manufacture and transparent material plus fire proofing manufacture with lower cover using transparent Teflon material, offered on the side of the upper lid and lower cover and let out energy hole, and it is described let out letting out for silicon rubber making can be installed on hole can port lid.This is used for the armored cassette sealing strip and sealing ring disposal integral molding of transparent cable intermediate joint, and using silastic material, water resistance is splendid.
Description
Technical field
The present invention relates to cable explosion-proof box technical field, specially a kind of armored cassette for transparent cable intermediate joint.
Background technology
18 power network great anti-accident measures (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 lay the joint of 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.
It is also proposed fire-proof and explosion-proof to cable and cable intermediate joint of China national grid company strictly regulates requirement《Prevent
25 important requirements of power generation major accident》(version in 2000) prevents Cable Firing Accident, in order to prevent fire thing
Therefore generation, should implement item by item《Power equipment typical case's fire-fighting code》And other pertinent regulations (DL5027-93).
1st, cable intermediate joint is the most weak link of cable, and it is of equal importance with cable.With China national economy
High speed development, Chinese cableization popularizes engineering throughout each city, and cable is focused on cable by increasing cable chemical industry journey
In ditch or cable shaft, specify that the cable intermediate joint of cable shaft or cable duct is in power grid construction by the cableization of national grid
Do not allow side by side, but due to existing in the middle of many objectively factor cables in the middle of urban distribution network cable chemical industry journey of today
Joint situation side by side seems to avoid, and common cable intermediate joint situation three or so side by side is even more more；
The cable duct cable outlet of transformer station is often more than ten or more.
2nd, however as the popularization of power cable chemical industry journey, cable fault rate also increases therewith, and a host of facts are proved, big portion
The cable fault for dividing is relevant with cable accessory, particularly cable intermediate joint.Due to quality and mounting process, in cable
Indirect first denier is exploded, and gently other cables then same ditch side by side are also destroyed, and serious will lead to cable fire, to whole
Individual power system causes irremediable loss.
3rd, the cable intermediate head accessory that power system is used at present is substantially divided to two kinds, Yi Zhongshi：Pyrocondensation crosslinking electric power electricity
Cable fittings, quality is general, and cost is relatively low.Another kind is：Shrinkage electric cable fitting, preferably, cost is higher for quality.No matter import
Or domestic cable accessory；Either pyrocondensation or shrinkage cable accessory, transition joint this weakest link it
Be likely to puncture, explode, spontaneous combustion it is even on fire.Reason can probably be summarized as five kinds of situations：1. cable accessory quality
Problem；2. (such as in payout, cable sheath damage and water inflow or cable put rear sealing cap useless well to cable quality problem, and its is close
Envelope, cable is in wet condition)；3. cable accessory mounting process problem；4. running environment problem；5. overload operation, cable connector temperature
Spend problems of excessive heat high.
Cable intermediate joint is most weak link in grid power cable run, due to transition joint quality and is installed
Defect, or due to make moist, overload and other external force effect and there are other factorses, cable intermediate joint occur explosion accident
Often there is generation.The energy of high temperature and abrupt release produced by blast is enough to blow up or burn in parallel other in cable duct
Cable, it might even be possible to which well lid of throwing, destruction raceway groove are damaged to pedestrian.
1st, currently on the market anti-explosion box for cable middle connector is extremely simple and coarse, can almost not reach real close
The product of envelope；
2nd, the raw material of anti-explosion box for cable middle connector currently on the market point are following several：
1. stainless steel plate material, 2. iron plate material, 3. glass-reinforced plastic material, 4. glass fiber material, 5. nylon fiber material,
6. carbon fibre material, 7. PLASTIC LAMINATED material, 8. flame-retarded plastic material, 9. PVC material are combined；10. ABS material；
3rd, anti-explosion box for cable middle connector raw material Shortcomings currently on the market is：
3.Though 1 1. stainless steel plate material, 2. iron plate material, both material capability of antidetonances it is good, can play certain exhausted
Edge, back-fire relief, fireproofing function, but be magnetic, it is impossible to reach insulation；And because raw material are magnetic interference effect, electric power inspection people
Member's temperature measuring device cannot accurately measure the temperature data of cable intermediate joint.
3.2 1. glass-reinforced plastic material, 2. glass fiber material, 3. nylon fiber material, 4. be combined carbon fibre material, 5. prevent
Fiery plate material, 6. flame-retarded plastic material, 7. PVC material, 8. ABS material；Although this different materials can rise and other objects between
Not being really achieved sealing effectiveness after to certain insulating effect but product installation has air circulation, and its capability of antidetonance is also poor；
And could not play a part of to protect cable intermediate joint, cable intermediate joint to puncture or explode in short circuit after product is installed
Afterwards, there may be burning at cable intermediate joint, even there is cable fire in serious.
4th, it is exactly that raw material are all that anti-explosion box for cable middle connector currently on the market has consistent not enough technological deficiency
It is opaque, accident generation after because cable connector it is more concentrate on a place, network operation personnel cannot patrol at the scene
It is quick when looking into find accident Method of Cable Trouble Point；Greatly increase and waste time and the investigation accident point of inspection accident staff
Difficulty.
The content of the invention
To ensure that cable intermediate joint normally runs, it is to avoid the generation of second accident, develop with fire prevention, waterproof, prevent
The anti-explosion box for cable middle connector product of quick-fried function, it is an object of the invention to provide a kind of for transparent cable intermediate joint
Armored cassette, to solve the problems, such as to be proposed in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：It is a kind of for the explosion-proof of transparent cable intermediate joint
Box, including upper lid, lower cover, stainless steel re-entrant angle screw, sealing strip, the first sealing ring, letting out can port lid, the second sealing ring, draw-in groove, close
Sealing strip is provided with the joint face of envelope convex tendon and excessive disjunctor layer, the upper lid and lower cover, the upper lid is mutually right with lower cover
Cylindrical tube shape body is connected into, upper lid is docked with lower cover by plane, and the two ends of the cylindrical barrel are shunk and near two ends
Portion position forms a cylinders with small diameter respectively, and two seal grooves side by side are respectively arranged with the inside of cylinders with small diameter, and
The first sealing ring is mounted in each described seal groove, the upper lid is added with lower cover using transparent Teflon material
Fire proofing is manufactured and transparent material adds fire proofing to manufacture, and the upper lid installation by adhering passes through in the draw-in groove of lower cover
Stainless steel re-entrant angle screw is mutually fixed, and is offered on the side of the upper lid and lower cover and is let out energy hole, and described letting out can install on hole
Have silicon rubber making lets out energy port lid.
Preferably, it is described let out can port lid be provided with inside and outside two-layer joint face, and let out can be on the inside of port lid joint face on be provided with
Two the second sealing rings.
Preferably, the quantity for letting out energy hole is two, and two are let out energy hole respectively positioned at the two of the cylindrical barrel
End.
Preferably, the sealing strip being arranged at the joint face of lid and lower cover is close with first be arranged in seal groove
Seal is made up of two seal beads being parallel to each other and the transition disjunctor being connected between seal bead layer, described
The section of seal bead is circle, and the diameter of section of the thickness less than seal bead of transition disjunctor layer, the transition on sealing strip connects
Body layer is provided between integrally formed screw, and the position of the screw and upper lid and lower cover mutually solid by stainless steel re-entrant angle screw
Fixed position is corresponding.
Preferably, the sealing strip is formed in one with the first sealing ring.
Compared with prior art, the beneficial effects of the invention are as follows：The armored cassette for being used for transparent cable intermediate joint is used
Transparent Teflon material adds fire proofing and transparent material plus fire proofing, and this material has elasticity, fire prevention, non-ignitable work
With, transparent anti-explosion box for cable middle connector is made with this material, housing can be made soft, it is also possible to make hard；Can
Different shape, size transparent anti-explosion box for cable middle connector different in size are produced according to different voltage class.Voltage cable
Joint be included in convex part in the middle part of explosion-resistant enclosure point, joint is wrapped in the buffering flame-retardant layer of setting；When being short-circuited,
When on fire at transition joint, fire protection flame retarding band will play a part of to make fiery not external combustion；Buffering flame-retardant layer can play obstruct flame, prevent
The material expand of fiery expanding material synthesis blocks space and reaches and makes fray-out of flame.It is fire-retardant by using transparent Teflon material to add
Material or other transparent materials add fire proofing to be once manufactured two transparent housings of semi-cylindrical；In transparent cable
Between joint armored cassette semicolumn lid both sides joint faces using unique card slot type design, the both sides of groove female screw hole are overall
Shaping circle strip seal bead (both sides circular seal convex tendon is slightly higher, middle transition disjunctor layer is relatively thin and all screws be all with
Sealing strip is integrally formed), using unique dual groove type sealing ring, (both sides circular seal convex tendon is slightly higher, middle transition at two ends
Disjunctor layer is using groove type design) it is really achieved sealing effectiveness.Sealing strip and sealing ring are by seal bead and transition disjunctor layer group
Into, and be formed in one.Such design is sealed convex after sealing strip and sealing ring are subject to upper lid, lower cover, the extruding of cable
There is elastic deformation in influential point of tendons, increase longitudinal depth of closure, and seal bead cooperates with the transition disjunctor layer of centre, serves
Better sealing effectiveness.Sealing strip and sealing ring disposal integral molding, using silastic material, water resistance is splendid.
Let out energy port lid to be made using high quality silicon rubber, and let out energy port lid using unique structure design, be similar to labyrinth seal, letting out
There can be two seals circle to seal in port lid, it is ensured that letting out can hole sealing effectiveness good in a state of use.This product
Material is nonmagnetic can be played a part of to be really achieved sealing effectiveness without air stream after all insulation, product are installed and other objects between
Logical, its capability of antidetonance is also preferable；And can play a part of to protect cable intermediate joint, cable intermediate joint after product is installed
After short circuit punctures or explodes, spontaneous combustion cannot be produced at cable intermediate joint, electric power patrolman is with temperature measuring device in cable
Between joint thermometric when, can accurately measure the temperature data of cable intermediate joint.When network operation personnel are to scene inspection, because of material
It is transparent, can quickly finds accident Method of Cable Trouble Point；Greatly reduce time and the investigation accident of inspection accident staff
The difficulty of point.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is positive structure diagram of the present invention；
Fig. 3 is Section A-A sectional view in Fig. 1；
Fig. 4 is partial enlarged drawing at B in Fig. 3；
Fig. 5 is the structural representation of sealing strip and the first sealing ring；
Fig. 6 is sealing strip, the schematic cross-section of sealing ring.
In figure：1st, upper lid, 2, lower cover, 3, stainless steel re-entrant angle screw, 4, sealing strip, the 5, first sealing ring, 6, let out can port lid,
7th, the second sealing ring, 8, draw-in groove, 9, seal bead, 10, excessive disjunctor layer.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-6 are referred to, the present invention provides a kind of technical scheme：A kind of armored cassette for transparent cable intermediate joint,
Including upper lid 1, lower cover 2, stainless steel re-entrant angle screw 3, sealing strip 4, the first sealing ring 5, let out can port lid 6, the second sealing ring 7, card
Sealing strip 4, upper lid 1 and lower cover 2 are provided with the joint face of groove 8, seal bead 9 and excessive disjunctor layer 10, upper lid 1 and lower cover 2
Cylindrical tube shape body is mutually butted into, upper lid 1 is docked with lower cover 2 by plane, and the two ends of the cylindrical barrel are shunk and are being leaned on
Nearly two end positions form that a minor diameter is simplified respectively, and two side by side close are respectively arranged with the inside of cylinders with small diameter
Sealing groove, and the first sealing ring 5 is mounted in each seal groove, upper lid 1 uses transparent Teflon material with lower cover 2
Plus fire proofing manufacture and transparent material add fire proofing to manufacture, and are arranged at the sealing strip 4 at the joint face of lid 1 and lower cover 2
With the first sealing ring 5 being arranged in seal groove it is by two seal beads 9 being parallel to each other and is connected to seal bead 9
Between transition disjunctor layer 10 constitute, sealing strip 4 is formed in one with the first sealing ring 5, seal bead 9 section to justify
Shape, the diameter of section of 10 thickness less than seal bead 9 of transition disjunctor layer, the transition disjunctor layer 10 on sealing strip 4 is provided with one
The position mutually fixed by stainless steel re-entrant angle screw 3 between body formed screw, and the position of the screw and upper lid 1 and lower cover 2
Corresponding, the installation by adhering of upper lid 1 is mutually fixed in the draw-in groove 8 of lower cover 2 by stainless steel re-entrant angle screw 3, and upper lid 1 is with
Offered on the side of lid 2 let out can hole, and let out can be provided with hole silicon rubber making let out can port lid 6, let out can hole number
It is two to measure, and two are let out energy hole respectively positioned at the two ends of cylindrical barrel, are let out energy port lid 6 and are provided with inside and outside two-layer joint face, and
Letting out can be provided with two the second sealing rings 7 on the joint face of the inner side of port lid 6.
Upper lid 1 and lower cover 2 add fire proofing and other transparent materials plus fire proofing using transparent Teflon material,
This material has elasticity, fire prevention, non-ignitable effect, and transparent anti-explosion box for cable middle connector is made with this material, and housing can
It is soft to make, it is also possible to make hard；Different shape can be produced according to different voltage class, different in size saturating of size
Bright anti-explosion box for cable middle connector.
The joint of voltage cable is included in the convex part point in the middle part of explosion-resistant enclosure, and joint is wrapped in the buffering flame-retardant layer of setting
In；When being short-circuited, when on fire at transition joint, fire protection flame retarding band will play a part of to make fiery not external combustion；Buffering flame-retardant layer energy
Obstruct flame is played, the material expand of fire prevention expanding material synthesis blocks space and reaches and makes fray-out of flame.
Upper lid 1 and lower cover 2 are by transparent Teflon material plus fire proofing and other transparent materials plus fire proofing
Two transparent housings of semi-cylindrical of one-shot forming；The shaping of housing can be using two molds, a set of structure with upper lid
Make corresponding, for manufacturing upper lid 1；It is another set of corresponding with the construction of lower cover 2, for manufacturing lower cover 2.
The both sides joint face of transparent anti-explosion box for cable middle connector semicolumn lid is using unique card slot type design, groove
The both sides of female screw hole are that (both sides circular seal convex tendon 9 is slightly higher, middle transition disjunctor for global formation circle strip seal bead 9
10 relatively thin and all screws of layer are integrally formed with sealing strip 4), two ends are using unique dual groove type sealing ring (both sides
Circular seal convex tendon 9 is slightly higher, and middle transition disjunctor layer 10 is designed using groove type) it is really achieved sealing effectiveness.Sealing strip 4 and close
Seal is made up of seal bead 9 and transition disjunctor layer 10, and is formed in one.Such design is in sealing strip 4 and sealing ring
After upper lid 1, the extruding of lower cover 2, cable, seal bead 9 can occur elastic deformation, increase longitudinal depth of closure, sealing
Convex tendon 9 cooperates with the transition disjunctor layer 10 of centre, serves better sealing effectiveness.Sealing strip 4 and sealing ring one
Secondary property global formation, using silastic material, water resistance is splendid.
Let out energy port lid 6 to be made using high quality silicon rubber, and let out structure design of the energy port lid 6 using uniqueness, be similar to fan
Palace seals, and can have two seals circle to seal in port lid 6 letting out, it is ensured that letting out can hole sealing effect good in a state of use
Really.
In sum, although being described in detail to the present invention with reference to the foregoing embodiments, for the technology of this area
For personnel, it can still modify to the technical scheme described in foregoing embodiments, or to which part technology
Feature carries out equivalent, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc.,
Should be included within protection scope of the present invention.
Claims (5)
1. a kind of armored cassette for transparent cable intermediate joint, including upper lid (1), lower cover (2), stainless steel re-entrant angle screw (3),
Sealing strip (4), the first sealing ring (5), let out can port lid (6), the second sealing ring (7), draw-in groove (8), seal bead (9) and excessively connect
Body layer (10), it is characterised in that：Sealing strip (4), the upper lid (1) are provided with the joint face of the upper lid (1) and lower cover (2)
Be mutually butted into cylindrical tube shape body with lower cover (2), upper lid (1) is docked with lower cover (2) by plane, and the cylindrical barrel two
End is shunk and is forming a cylinders with small diameter respectively near two end positions, is respectively arranged with the inside of cylinders with small diameter
Two seal grooves side by side, and the first sealing ring (5) is mounted in each described seal groove, the upper lid (1) and lower cover
(2) fire proofing is added to manufacture and transparent material plus fire proofing manufacture using transparent Teflon material, the upper lid (1)
Installation by adhering is mutually fixed in the draw-in groove (8) of lower cover (2) by stainless steel re-entrant angle screw (3), and the upper lid (1) is with
Offered on the side for covering (2) let out can hole, and it is described let out letting out for silicon rubber making can be installed on hole can port lid (6).
2. a kind of armored cassette for transparent cable intermediate joint according to claim 1, it is characterised in that：It is described to let out energy
Port lid (6) is provided with inside and outside two-layer joint face, and let out can be on the inside of port lid (6) joint face on be provided with two the second sealing rings (7).
3. a kind of armored cassette for transparent cable intermediate joint according to claim 1, it is characterised in that：It is described to let out energy
The quantity in hole is two, and two are let out energy hole respectively positioned at the two ends of the cylindrical barrel.
4. a kind of armored cassette for transparent cable intermediate joint according to claim 1, it is characterised in that：The setting
Sealing strip (4) at the joint face of Shang Gai (1) and lower cover (2) and the first sealing ring (5) being arranged in seal groove be by
Two seal beads being parallel to each other (9) and transition disjunctor layer (10) composition being connected between seal bead (9), it is described
The section of seal bead (9) is circle, the diameter of section of (10) thickness less than seal bead (9) of transition disjunctor layer, sealing strip
(4) transition disjunctor layer (10) on is provided with integrally formed screw, and the position of the screw and upper lid (1) and lower cover (2) it
Between it is corresponding by the mutually fixed position of stainless steel re-entrant angle screw (3).
5. a kind of armored cassette for transparent cable intermediate joint according to claim 1, it is characterised in that：The sealing
Bar (4) is formed in one with the first sealing ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611088612.6A CN106786331A (en) | 2016-11-30 | 2016-11-30 | A kind of armored cassette for transparent cable intermediate joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611088612.6A CN106786331A (en) | 2016-11-30 | 2016-11-30 | A kind of armored cassette for transparent cable intermediate joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106786331A true CN106786331A (en) | 2017-05-31 |
Family
ID=58915241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611088612.6A Pending CN106786331A (en) | 2016-11-30 | 2016-11-30 | A kind of armored cassette for transparent cable intermediate joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106786331A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161976A (en) * | 2021-04-27 | 2021-07-23 | 国网山东省电力公司青州市供电公司 | Actuation formula cable explosion-proof box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060231283A1 (en) * | 2005-04-19 | 2006-10-19 | Stagi William R | Cable connector having fluid reservoir |
| CN201038708Y (en) * | 2007-04-10 | 2008-03-19 | 天津市中惠科技有限公司 | Cable connection pouring sealant box |
| CN202384738U (en) * | 2012-01-12 | 2012-08-15 | 刘金炜 | Energy release-type cable middle connector explosion-proof safe protection box |
| CN204615345U (en) * | 2015-04-03 | 2015-09-02 | 重庆大业电气有限责任公司 | Cable joint explosive-proof protector box |
| CN206442100U (en) * | 2016-11-30 | 2017-08-25 | 广东安诺新材料科技有限公司 | A kind of armored cassette for transparent cable intermediate joint |
-
2016
- 2016-11-30 CN CN201611088612.6A patent/CN106786331A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060231283A1 (en) * | 2005-04-19 | 2006-10-19 | Stagi William R | Cable connector having fluid reservoir |
| CN201038708Y (en) * | 2007-04-10 | 2008-03-19 | 天津市中惠科技有限公司 | Cable connection pouring sealant box |
| CN202384738U (en) * | 2012-01-12 | 2012-08-15 | 刘金炜 | Energy release-type cable middle connector explosion-proof safe protection box |
| CN204615345U (en) * | 2015-04-03 | 2015-09-02 | 重庆大业电气有限责任公司 | Cable joint explosive-proof protector box |
| CN206442100U (en) * | 2016-11-30 | 2017-08-25 | 广东安诺新材料科技有限公司 | A kind of armored cassette for transparent cable intermediate joint |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161976A (en) * | 2021-04-27 | 2021-07-23 | 国网山东省电力公司青州市供电公司 | Actuation formula cable explosion-proof box |
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Application publication date: 20170531 |
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