CN205160023U - A middle junction box for outdoor explosion -proof power cable - Google Patents
A middle junction box for outdoor explosion -proof power cable Download PDFInfo
- Publication number
- CN205160023U CN205160023U CN201520877890.4U CN201520877890U CN205160023U CN 205160023 U CN205160023 U CN 205160023U CN 201520877890 U CN201520877890 U CN 201520877890U CN 205160023 U CN205160023 U CN 205160023U
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- CN
- China
- Prior art keywords
- copper bar
- copper
- power cable
- wiring
- proof power
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a case lid, parallel that a middle junction box for outdoor explosion -proof power cable, this centre junction box include the open wiring in top box, set up on the wiring box are laid many conductive copper bar in the wiring box and are set up a plurality of copper bar support insulator on every conductive copper bar, set up the highly the same of a plurality of copper bar support insulator on same conductive copper bar to copper bar support insulator's on two adjacent conductive copper bar high difference. Compared with the prior art, the utility model discloses simple structure, the wiring is convenient, corrosion resistance strong, cable terminal interphase insulation space is big, can eliminate the alternate wiring stress of cable terminal from copper bar arrangement form, has field maintemance maintenance convenience, cycle of operation is long, fail safe nature is high characteristics.
Description
Technical field
The utility model belongs to electrical engineering technical field, relates to a kind of middle connection box, especially relates to a kind of middle connection box for outdoor explosion-proof power cable.
Background technology
At present, the outdoor explosion-proof power cable middle connection box of chemical production device generally all adopts the parallel wiring bus bar mode of three-phase and four-line, namely case internal wiring copper bar supporting insulator height is identical, does not fully take into account some occasion pair cross-section and amasss the contact reliability of larger cable and the particular/special requirement of phase insulation damp-proof treatment.
And the components and parts such as casing, patch bay, supporting insulator, wiring copper bus-bar, stainless steel gland head, thread seal explosion-proof wiring case lid that traditional explosion-proof power cable middle connection box is welded by carbon steel sheet form, it exists that casing steel plate weather resistance is poor, sectional area 120mm in actual use
2above cable connection is very difficult, copper bar supporting insulator mechanical stress is difficult to technical problems such as eliminating, cable terminal phase insulation not easily processes.
Utility model content
The purpose of this utility model be exactly in order to overcome above-mentioned prior art exist defect and provide a kind of structure simple, economical and practical, effectively can improve sectional area is 120mm
2above conductive cable contacts reliability, eliminates the middle connection box for outdoor explosion-proof power cable of copper bar supporting insulator mechanical stress.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of middle connection box for outdoor explosion-proof power cable, this middle connection box comprises the wiring casing of open top, the case lid be arranged on wiring casing, is parallelly laid in many conducting coppers in wiring casing and is arranged on the multiple copper bar supporting insulators on every bar conducting copper, the height being arranged on the multiple copper bar supporting insulators on same conducting copper is identical, and the height of copper bar supporting insulator on adjacent two conducting coppers is different.
Described wiring bottom half is also provided with insulator mounting base, and described conducting copper is equidistantly laid in insulator mounting base.
Described conducting copper is provided with 4 altogether, is followed successively by the first conducting copper, the second conducting copper, the 3rd conducting copper and the 4th conducting copper from left to right.
When actual design, on the 3rd described conducting copper copper bar supporting insulator height > second conducting copper on copper bar supporting insulator height > the 4th conducting copper on copper bar supporting insulator height > first conducting copper on the height of copper bar supporting insulator.
Described conducting copper is equidistantly laid with multiple copper bar supporting insulator along conducting copper length direction.
Described copper bar supporting insulator is provided with 5 altogether.
Described copper bar supporting insulator is vertically arranged on conducting copper.
The 304 stainless steel casings of described wiring casing to be thickness be 5mm.
Described wiring casing adopts 304 stainless steel casings, and compared to traditional casing be welded by carbon steel sheet, weatherability significantly improves.
The both sides of described wiring casing are also respectively equipped with at least 2 stainless steel gland head.
Described case lid is thread seal stainless steel case lid.
Compared with prior art, the utility model has that structure is simple, easy-to-connect, corrosion resistance strong, cable terminal phase insulation space is large, and eliminate the alternate wiring stress of cable terminal from copper bar arrangement, have the advantages that on-site maintenance maintenance is convenient, the cycle of operation is long, security reliability is high, have using value very widely.
Accompanying drawing explanation
Fig. 1 is the utility model plan structure schematic diagram;
Fig. 2 is A-A sectional structure schematic diagram in Fig. 1;
Description of symbols in figure:
1-wiring casing, 2-case lid, 3-conducting copper, 4-copper bar supporting insulator, 5-insulator mounting base, 6-clamping screw, 7-stainless steel gland head.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment 1:
As shown in Figure 1-2, a kind of middle connection box for outdoor explosion-proof power cable, this middle connection box comprises the wiring casing 1 of open top, the case lid 2 be arranged on wiring casing 1, is parallelly laid in many conducting coppers 3 in wiring casing 1 and is arranged on the multiple copper bar supporting insulators 4 on every bar conducting copper 3, the height being arranged on the multiple copper bar supporting insulators 4 on same conducting copper 3 is identical, and the height of copper bar supporting insulator 4 on adjacent two conducting coppers 3 is different.
Wherein, be also provided with insulator mounting base 5 bottom wiring casing 1, conducting copper 3 is equidistantly laid on insulator mounting base 5.The two ends of conducting copper 3 are respectively equipped with clamping screw 6, and are fixed on insulator mounting base 5 by clamping screw 6.
Conducting copper 3 is provided with 4 altogether, is followed successively by the first conducting copper, the second conducting copper, the 3rd conducting copper and the 4th conducting copper from left to right.When actual design, on the 3rd conducting copper copper bar supporting insulator 4 height > the 4th conducting copper on copper bar supporting insulator 4 height > second conducting copper on copper bar supporting insulator 4 height > first conducting copper on the height of copper bar supporting insulator 4.
In the present embodiment, on first conducting copper, the height of copper bar supporting insulator 4 is 40mm, on second conducting copper, the height of copper bar supporting insulator 4 is 80mm, on 3rd conducting copper, the height of copper bar supporting insulator 4 is 1200mm, and on the 4th conducting copper, the height of copper bar supporting insulator 4 is 90mm.
Conducting copper 3 is equidistantly laid with 5 copper bar supporting insulators 4 along the length direction of conducting copper 3, and copper bar supporting insulator 4 is vertically arranged on conducting copper 3.
Wiring casing 1 for thickness be the 304 stainless steel casings of 5mm, and the left side of wiring casing 1 is provided with 3 stainless steel gland head 7, and right side is provided with 2 stainless steel gland head 7, and case lid 2 is thread seal stainless steel case lid.
Embodiment 2:
In the present embodiment, conducting copper 3 is provided with 6 altogether, equidistantly be laid on insulator mounting base 5, and every bar conducting copper 3 is equidistantly laid with 3 copper bar supporting insulators 4, and the height being arranged on the copper bar supporting insulator 4 on same conducting copper 3 is identical, the height of the copper bar supporting insulator 4 on adjacent two conducting coppers 3 is different.All the other are with embodiment 1.
Embodiment 3:
In the present embodiment, conducting copper 3 is provided with 2 altogether, equidistantly be laid on insulator mounting base 5, and every bar conducting copper 3 is equidistantly laid with 7 copper bar supporting insulators 4, and the height being arranged on the copper bar supporting insulator 4 on same conducting copper 3 is identical, the height of the copper bar supporting insulator 4 on adjacent two conducting coppers 3 is different.All the other are with embodiment 1.
Claims (7)
1. the middle connection box for outdoor explosion-proof power cable, this middle connection box comprises the wiring casing of open top, the case lid be arranged on wiring casing, is parallelly laid in many conducting coppers in wiring casing and is arranged on the multiple copper bar supporting insulators on every bar conducting copper, it is characterized in that, the height being arranged on the multiple copper bar supporting insulators on same conducting copper is identical, and the height of copper bar supporting insulator on adjacent two conducting coppers is different.
2. a kind of middle connection box for outdoor explosion-proof power cable according to claim 1, is characterized in that, described wiring bottom half is also provided with insulator mounting base, and described conducting copper is equidistantly laid on insulator mounting base.
3. a kind of middle connection box for outdoor explosion-proof power cable according to claim 1, it is characterized in that, described conducting copper is provided with 4 altogether.
4. a kind of middle connection box for outdoor explosion-proof power cable according to claim 3, is characterized in that, described conducting copper is equidistantly laid with multiple copper bar supporting insulator along conducting copper length direction.
5. a kind of middle connection box for outdoor explosion-proof power cable according to claim 4, is characterized in that, described copper bar supporting insulator is provided with 5 altogether.
6. a kind of middle connection box for outdoor explosion-proof power cable according to claim 1, is characterized in that, the 304 stainless steel casings of described wiring casing to be thickness be 5mm.
7. a kind of middle connection box for outdoor explosion-proof power cable according to claim 1, is characterized in that, the both sides of described wiring casing are also respectively equipped with at least 2 stainless steel gland head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877890.4U CN205160023U (en) | 2015-11-05 | 2015-11-05 | A middle junction box for outdoor explosion -proof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877890.4U CN205160023U (en) | 2015-11-05 | 2015-11-05 | A middle junction box for outdoor explosion -proof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205160023U true CN205160023U (en) | 2016-04-13 |
Family
ID=55695675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520877890.4U Expired - Fee Related CN205160023U (en) | 2015-11-05 | 2015-11-05 | A middle junction box for outdoor explosion -proof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205160023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301790A (en) * | 2018-12-03 | 2019-02-01 | 天津市贝斯特防爆电器有限公司 | A kind of high voltage flameproof sea cable case |
-
2015
- 2015-11-05 CN CN201520877890.4U patent/CN205160023U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301790A (en) * | 2018-12-03 | 2019-02-01 | 天津市贝斯特防爆电器有限公司 | A kind of high voltage flameproof sea cable case |
| CN109301790B (en) * | 2018-12-03 | 2024-03-15 | 天津市贝斯特防爆电器有限公司 | High-pressure explosion-proof type submarine cable box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20201105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |