CN205429684U - Novel cable intermediate head is explosion -proof device - Google Patents
Novel cable intermediate head is explosion -proof device Download PDFInfo
- Publication number
- CN205429684U CN205429684U CN201620218902.7U CN201620218902U CN205429684U CN 205429684 U CN205429684 U CN 205429684U CN 201620218902 U CN201620218902 U CN 201620218902U CN 205429684 U CN205429684 U CN 205429684U
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- CN
- China
- Prior art keywords
- pipe
- explosion
- protection
- disk
- embedding
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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.)
- Withdrawn - After Issue
Links
- 238000004880 explosion Methods 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 31
- 230000007704 transition Effects 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000003063 flame retardant Substances 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
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- Cable Accessories (AREA)
Abstract
Novel cable intermediate head is explosion -proof device. The utility model provides a simple structure, it is easy to assemble, improve the novel cable intermediate head is explosion -proof device of security. Including protection tube, explosion stack, pyrocondensation sealing cap, a pair of reinforcement subassembly and a pair of pyrocondensation sheath, the explosion stack intercommunication protection tube and the center at the protection tube of establishing, pyrocondensation sealing cap cover is established the mouth of pipe of explosion stack, a pair of reinforcement subassembly symmetry sets up and is located the both ends mouth of pipe department of protection tube, the reinforcement subassembly is connected between cable and protection tube, a pair of pyrocondensation sheath is established respectively the both ends mouth of pipe of protection tube, the pyrocondensation sheath overlaps in proper order to be established on protection tube, reinforcement subassembly and cable. The utility model discloses convenient processing, it is with low costs.
Description
Technical field
This utility model relates to electrical safety field, particularly relates to the explosion-protection equipment of cable intermediate joint.
Background technology
Along with the raising of urban construction and development level, power supply is reliable, lay the good characteristics such as hidden is more and more applied in mesolow supply network with it for cable run.Cable is when power supply distance is longer, and conventional cable connector carries out connection.But being affected by the factor such as construction technology, running environment, cable intermediate joint is easier to break down, the cable fault having 90% is all transition joint fault.There is explosion time between in the cable during joint fault, have powerful heating power and impulsive force, often burn out neighbouring cable or surrounding is caused potential safety hazard, causing secondary fault, causing bigger loss.
Utility model content
This utility model is for problem above, it is provided that a kind of simple in construction, and convenient installation improves the novel cable transition joint explosion-protection equipment of safety.
The technical solution of the utility model is: include protecting pipe, explosion stack, pyrocondensation sealing cap, a pair reinforcing component and a pair sheath shrinkable sleeve, described explosion stack connective protection pipe and be located at the center protecting pipe, and described pyrocondensation sealing cap is set in the mouth of pipe of described explosion stack,
A pair reinforcing component is symmetrical arranged and is positioned at the two ends mouth of pipe of described protection pipe, and described reinforcing component is connected between cable and protection pipe;
A pair sheath shrinkable sleeve is respectively provided at the two ends mouth of pipe of described protection pipe, and described sheath shrinkable sleeve is sequentially sleeved on protection pipe, reinforcing component and cable.
Described reinforcing component includes that some abaculus, described abaculus are cone, and some abaculus are the most all laid on described cable, and the cone of described abaculus is positioned at the protection inside of pipe, cone is positioned at the outside protecting pipe, and the cone of some abaculus connects fixing by bundling belt.
Described reinforcing component includes disk, some embedding posts and some blocks; described disk is sheathed on the cables.; described disk is positioned at the outside of described protection pipe; some blocks are all laid on the inwall of described protection pipe; some embedding posts are all laid on described disk; block described in described embedding post one_to_one corresponding, one end of described embedding post is hinged on described disk, and the other end connects described block by buckle structure;
Described buckle structure is: described embedding post is provided with dop, and described block is provided with draw-in groove, and described dop is located in draw-in groove adaptedly.
Also including that sheath, described sheath are set on described embedding post and disk, described sheath is between block and embedding post.
Described reinforcing component includes disk, some embedding posts and some threaded rods; described disk is sheathed on the cables.; described disk is positioned at the outside of described protection pipe; some embedding posts ringwise, uniform fixing be located on described disk; some embedding posts form outer little interior big cylinder; the inner of described embedding post is provided with fagging; described fagging is provided with perforation; embedding post described in described threaded rod one_to_one corresponding; the two ends of described threaded rod are each passed through the perforation of the fagging on the embedding post of a pair reinforcing component, and the outer end that described threaded rod is positioned at fagging is provided with nut.
Described protection pipe and explosion stack are respectively coating steel pipe.
Described protection pipe is provided with earth stud.
Inwall and the surface of described protection pipe are respectively equipped with flame-retardant layer.
Described bundling belt is insulating tape.
In this utility model, the protection pipe of cable intermediate joint uses coating steel pipe, and explosion stack (i.e. release and can manage) is installed on the centre of cable intermediate joint protection pipe, and namely explosion energy produces core position;Processing and fabricating is simple, and the mechanical strength that coating steel pipe is enough, it is possible to management and control explosion energy effectively has the space accounting for cable shaft less, do not affects follow-up newly-increased cable run and discharge work, it is easy to operation maintenance.
Heat-shrinkable T bush adds heat seal at protection pipe two ends, and explosion stack uses pyrocondensation sealing cap to add heat seal;Owing to material contracting with heat heating has the power that necessarily holds, good sealing effect, play waterproof purpose; when joint generation explosion time, huge explosion energy easily washes out releases energy pipe sealing cap and protection tube boot, by explosion energy targeted release; play management and control effect, facilitate trouble shoot.
Reinforcing component between cable and protection pipe, has the effect that one, moulding effective, for protecting the transition managed between cable;Two, reinforcing component has gap, and beneficially explosion time releases energy;Three, intensity is high, is used for connecting cable and protection pipe, reduces the damage of adjacent cables.
The convenient processing of this utility model, low cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model,
Fig. 2 is the structural representation of the first embodiment in this utility model,
Fig. 3 is the structural representation of the second embodiment in this utility model,
Fig. 4 is the structural representation of the optimal enforcement mode of Fig. 3,
Fig. 5 is the partial enlarged drawing in Fig. 3 at M,
Fig. 6 is the structural representation of the third embodiment in this utility model,
Fig. 7 is the partial enlarged drawing in Fig. 6 at N;
In figure, 1 is protection pipe, and 2 is explosion stack, and 3 is pyrocondensation sealing cap, and 4 is sheath shrinkable sleeve, and 5 is cable, and 6 is flame-retardant layer; 7 is reinforcing component, and 71 is abaculus, and 72 is bundling belt, and 73 is disk, and 74 is embedding post, and 75 is block; 761 is dop, and 762 is draw-in groove, and 77 is threaded rod, and 78 is nut, and 79 is fagging;
8 is sheath.
Detailed description of the invention
This utility model is as shown in figs. 1-7; including protection pipe 1, explosion stack 2, pyrocondensation sealing cap 3, a pair reinforcing component 7 and a pair sheath shrinkable sleeve 4; described explosion stack 2 connective protection pipe 1 and be located at protection pipe 1 center, described pyrocondensation sealing cap 3 is set in the mouth of pipe of described explosion stack 2
A pair reinforcing component 7 is symmetrical arranged and is positioned at the two ends mouth of pipe of described protection pipe 1, and described reinforcing component is connected between cable 5 and protection pipe 1;
A pair sheath shrinkable sleeve 4 is respectively provided at the two ends mouth of pipe of described protection pipe, and described sheath shrinkable sleeve 4 is sequentially sleeved on protection pipe 1, reinforcing component 7 and cable 5.
In work; cable 5 wears in protection pipe; after cable intermediate joint makes; protection tube hub is moved to cable intermediate joint center; moulding to carrying out taper by reinforcing component between protection tube end and cable, protection pipe two ends and explosion stack end are polished round and smooth, protection pipe two ends and cable uses fluid sealant be wound around; sheath shrinkable sleeve adds heat seal again, and explosion stack seals after heating with pyrocondensation sealing cap.
The advantage of reinforcing component: for protecting the tapering transition between pipe and cable, moulding effective so that sheath shrinkable sleeve is in seamlessly transitting, it is to avoid to damage, improves intensity and service life;Reinforcing component has gap beneficially explosion time and releases energy.
As shown in Figure 2; the first embodiment of the present utility model is: described reinforcing component 7 includes some abaculus 71; described abaculus is cone; some abaculus are the most all laid on described cable; the cone of described abaculus is positioned at the protection inside of pipe, cone is positioned at the outside protecting pipe, and the cone of some abaculus connects fixing by bundling belt 72.
In work, using PLASTIC LAMINATED or insulation board to cut into the abaculus of cone, the mouth of pipe correspondence of protection pipe inserts some abaculus; keep a determining deviation each other, then use bundling belt to be wound around, form cone; it is inserted in sheath shrinkable sleeve heat shrink again, forms taper and seamlessly transit.
As in Figure 3-5; the second embodiment of the present utility model is: described reinforcing component 7 includes disk 73, some embedding posts 74 and some blocks 75; described disk 73 is set on described cable 5; described disk is positioned at the outside of described protection pipe; some blocks are all laid on the inwall of described protection pipe, and some embedding posts are all laid on described disk, block 75 described in described embedding post 74 one_to_one corresponding; one end of described embedding post is hinged on described disk, and the other end connects described block by buckle structure;
Described buckle structure is: described embedding post is provided with dop 761, and described block is provided with draw-in groove 762, and described dop is located in draw-in groove adaptedly.
In work, disk is set on cable, and embedding post is connected one to one block by buckle structure so that by disk " promptly " cable, reduces cable and translates further out in blast, reduces the damage to adjacent cables.
Also including that sheath 8, described sheath 8 are set on described embedding post and disk, described sheath is between block and embedding post.Arranging sheath, sheath is positioned at protection pipe, further functions as the effect of reinforcement, forms internal jacket, the protective effect of outside sheath shrinkable sleeve, plays explosion time and releases energy transition buffer effect.
As shown in fig. 6-7, the third embodiment of the present utility model is: described reinforcing component includes disk 73, some embedding posts 74 and some threaded rods 77, described disk 73 is sheathed on the cables., described disk is positioned at the outside of described protection pipe, some embedding posts are ringwise, uniform fixing is located on described disk, some embedding posts form outer little interior big cylinder, the inner of described embedding post is provided with fagging 79, described fagging is provided with perforation, embedding post 74 described in described threaded rod 77 one_to_one corresponding, the perforation of the fagging 79 that the two ends of described threaded rod are each passed through on the embedding post of a pair reinforcing component, the outer end being positioned at fagging on described threaded rod is provided with nut 78.
In work, disk is set on cable, arranges and be arranged with threaded rod between the fagging of a pair embedding post, make between the disk of a pair stiffener assembly, to be relatively fixed (i.e. a pair cable is formed entirety by cable intermediate joint), improve intensity, explosion time is occurring, is reducing the damage to adjacent cables.
Described protection pipe 1 and explosion stack 2 are respectively coating steel pipe, and mechanical strength is high, reliable in quality.
Described protection pipe 1 is provided with earth stud, the convenient in-site installation protecting pipe.
Inwall and the surface of described protection pipe 1 are respectively equipped with flame-retardant layer 6, play fire-retardant effect, improve safety.
Described bundling belt 72 is insulating tape, facilitates bonding, easy to operate, reliable.
This utility model at work, uses ground lead to be reliably connected with grounded screen, and during generation earth fault, earth resistance is low, and earial drainage is unimpeded, and earth current is big, and signal is obvious, it is simple to trouble shoot.
Using steel pipe, body is firm.When joint is repaired, it is only necessary to changing other parts of sheath can recycle;Resource is recycling, is lost low.
After this utility model uses reinforcing component, cable intermediate joint is fixing reliable in protection pipe, will not be affected the installation quality of joint by External Force Acting.
Claims (9)
1. novel cable transition joint explosion-protection equipment; it is characterized in that, including protection pipe, explosion stack, pyrocondensation sealing cap, a pair reinforcing component and a pair sheath shrinkable sleeve, described explosion stack connective protection pipe and be located at the center protecting pipe; described pyrocondensation sealing cap is set in the mouth of pipe of described explosion stack
A pair reinforcing component is symmetrical arranged and is positioned at the two ends mouth of pipe of described protection pipe, and described reinforcing component is connected between cable and protection pipe;
A pair sheath shrinkable sleeve is respectively provided at the two ends mouth of pipe of described protection pipe, and described sheath shrinkable sleeve is sequentially sleeved on protection pipe, reinforcing component and cable.
Novel cable transition joint explosion-protection equipment the most according to claim 1; it is characterized in that; described reinforcing component includes some abaculus; described abaculus is cone; some abaculus are the most all laid on described cable; the cone of described abaculus is positioned at the protection inside of pipe, cone is positioned at the outside protecting pipe, and the cone of some abaculus connects fixing by bundling belt.
Novel cable transition joint explosion-protection equipment the most according to claim 1; it is characterized in that; described reinforcing component includes disk, some embedding posts and some blocks; described disk is sheathed on the cables., and described disk is positioned at the outside of described protection pipe, and some blocks are all laid on the inwall of described protection pipe; some embedding posts are all laid on described disk; block described in described embedding post one_to_one corresponding, one end of described embedding post is hinged on described disk, and the other end connects described block by buckle structure;
Described buckle structure is: described embedding post is provided with dop, and described block is provided with draw-in groove, and described dop is located in draw-in groove adaptedly.
Novel cable transition joint explosion-protection equipment the most according to claim 3, it is characterised in that also including that sheath, described sheath are set on described embedding post and disk, described sheath is between block and embedding post.
Novel cable transition joint explosion-protection equipment the most according to claim 1, it is characterized in that, described reinforcing component includes disk, some embedding posts and some threaded rods, described disk is sheathed on the cables., described disk is positioned at the outside of described protection pipe, some embedding posts are ringwise, uniform fixing is located on described disk, some embedding posts form outer little interior big cylinder, the inner of described embedding post is provided with fagging, described fagging is provided with perforation, embedding post described in described threaded rod one_to_one corresponding, the two ends of described threaded rod are each passed through the perforation of the fagging on the embedding post of a pair reinforcing component, the outer end being positioned at fagging on described threaded rod is provided with nut.
Novel cable transition joint explosion-protection equipment the most according to claim 1, it is characterised in that described protection pipe and explosion stack are respectively coating steel pipe.
Novel cable transition joint explosion-protection equipment the most according to claim 1, it is characterised in that described protection pipe is provided with earth stud.
Novel cable transition joint explosion-protection equipment the most according to claim 1, it is characterised in that inwall and the surface of described protection pipe are respectively equipped with flame-retardant layer.
Novel cable transition joint explosion-protection equipment the most according to claim 2, it is characterised in that described bundling belt is insulating tape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620218902.7U CN205429684U (en) | 2016-03-21 | 2016-03-21 | Novel cable intermediate head is explosion -proof device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620218902.7U CN205429684U (en) | 2016-03-21 | 2016-03-21 | Novel cable intermediate head is explosion -proof device |
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CN205429684U true CN205429684U (en) | 2016-08-03 |
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Family Applications (1)
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CN201620218902.7U Withdrawn - After Issue CN205429684U (en) | 2016-03-21 | 2016-03-21 | Novel cable intermediate head is explosion -proof device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105576596A (en) * | 2016-03-21 | 2016-05-11 | 江苏省电力公司扬州市江都供电公司 | Novel-cable intermediate-joint explosion-proof apparatus |
CN106329421A (en) * | 2016-08-20 | 2017-01-11 | 武冈市永锐电子科技有限公司 | Protection tube for wiring harness |
CN107294047A (en) * | 2017-06-25 | 2017-10-24 | 国网江苏省电力公司扬州市江都区供电公司 | A kind of cable explosion-proof device |
CN107800108A (en) * | 2017-11-13 | 2018-03-13 | 国网浙江省电力公司绍兴供电公司 | A kind of flexible cable joint explosion-proof box |
-
2016
- 2016-03-21 CN CN201620218902.7U patent/CN205429684U/en not_active Withdrawn - After Issue
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105576596A (en) * | 2016-03-21 | 2016-05-11 | 江苏省电力公司扬州市江都供电公司 | Novel-cable intermediate-joint explosion-proof apparatus |
CN105576596B (en) * | 2016-03-21 | 2017-07-28 | 江苏省电力公司扬州市江都供电公司 | A kind of novel cable transition joint explosion-protection equipment |
CN106329421A (en) * | 2016-08-20 | 2017-01-11 | 武冈市永锐电子科技有限公司 | Protection tube for wiring harness |
CN107294047A (en) * | 2017-06-25 | 2017-10-24 | 国网江苏省电力公司扬州市江都区供电公司 | A kind of cable explosion-proof device |
CN107800108A (en) * | 2017-11-13 | 2018-03-13 | 国网浙江省电力公司绍兴供电公司 | A kind of flexible cable joint explosion-proof box |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20160803 Effective date of abandoning: 20170728 |
|
AV01 | Patent right actively abandoned |