CN104466839A - Cable penetration protector - Google Patents
Cable penetration protector Download PDFInfo
- Publication number
- CN104466839A CN104466839A CN201410713736.3A CN201410713736A CN104466839A CN 104466839 A CN104466839 A CN 104466839A CN 201410713736 A CN201410713736 A CN 201410713736A CN 104466839 A CN104466839 A CN 104466839A
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- China
- Prior art keywords
- protection tube
- protective device
- magnetizer
- cable penetration
- seal ring
- 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.)
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- Laying Of Electric Cables Or Lines Outside (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention provides a cable penetration protector. The cable penetration protector comprises a protection pipe. The protection pipe comprises a protection pipe body. The protection pipe body is provided with a gap and a first non-magnetic body, wherein the gap extends from the first end of the protection pipe body to the second end of the protection pipe body, and the first non-magnetic body is arranged in the gap and connected with the two side surfaces of the gap to close and protect the protection pipe body. According to the technical scheme, the protection pipe body is provided with the first non-magnetic body to prevent a closed magnetic circuit from being formed in the circumference of the protection pipe, and the problem that cables are damaged due to eddy heating in the prior art is solved.
Description
Technical field
The present invention relates to a kind of cable penetration protective device.
Background technology
In prior art, the single-core cable that transmission capacity is less adopts protection tube through walls at tunnel interface place.The flange on protection tube both sides also adopts common iron.But common steel pipe and flange can cause closed magnetic circuit, produce eddy current at protection tube and flange and generate heat, having destruction to a certain degree to cable.
Summary of the invention
The present invention aims to provide a kind of cable penetration protective device, to solve the problem damaging cable because producing eddy-current heating of prior art.
To achieve these goals, the invention provides a kind of cable penetration protective device, cable penetration protective device comprises protection tube, and protection tube comprises: protection tube body, protection tube body offers the gap of the second end being extended to protection tube body by the first end of protection tube body; First non-magnetizer, the first non-magnetizer is arranged in gap and with two sides in gap and is all connected with closed protective tube body.
Further, the bearing of trend in gap is consistent with the bearing of trend of protection tube body.
Further, the first non-magnetizer is the weld seam be formed in gap.
Further, the first non-magnetizer is the austenitic stainless steel weld joint be formed in gap.
Further, cable penetration protective device also comprises the seal ring of the periphery being set on protection tube, and seal ring comprises: seal ring body, seal ring body is provided with the fracture of the outer peripheral face being extended to seal ring body by the inner peripheral surface of seal ring body; Second non-magnetizer, the second non-magnetizer to be arranged in fracture and to be all connected with closed seal ring body with two sides of fracture.
Further, the second non-magnetizer is the weld seam of the incision position being formed at seal ring body.
Further, the second non-magnetizer is the austenitic stainless steel weld joint of the incision position being formed at seal ring body.
Further, the radially inner side of the second non-magnetizer and the radial outside of the first non-magnetizer are oppositely arranged.
Further, cable penetration protective device comprises two seal rings, and two seal ring intervals are arranged.
Further, cable penetration protective device also comprises: the first flange, and the first flange is connected with the first end of protection tube, and the material of the first flange is austenitic stainless steel; And/or the second flange, the second flange is connected with the second end of protection tube, and the material of the second flange is austenitic stainless steel.
Apply technical scheme of the present invention, cable penetration protective device comprises protection tube, and protection tube comprises: protection tube body, protection tube body offers the gap of the second end being extended to protection tube body by the first end of protection tube body; First non-magnetizer, the first non-magnetizer is arranged in gap and with two sides in gap and is all connected with closed protective tube body.Applying technical scheme of the present invention, protection tube arranges the first non-magnetizer, in order to avoid form closed magnetic circuit in protection tube circumference, solving the problem damaging cable because producing eddy-current heating of prior art.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of the cable penetration protective device of the embodiment of the present invention;
Fig. 2 shows the cutaway view of the protection tube at the A-A place of the cable penetration protective device of the embodiment of the present invention.
Reference numeral: 1, protection tube; 11, protection tube body; 12, the first non-magnetizer; 2, the first flange; 3, the second flange; 4, seal ring; 41, seal ring body; 42, the second non-magnetizer; 5, the first sealing gasket; 6, the second sealing gasket; 7, the first cover plate; 8, the second cover plate; 9, bolt.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As depicted in figs. 1 and 2, the cable penetration protective device of the embodiment of the present invention comprises protection tube 1, and protection tube 1 comprises protection tube body 11 and the first non-magnetizer 12.Protection tube body 11 offers the gap of the second end being extended to protection tube body 11 by the first end of protection tube body 11.First non-magnetizer 12 is arranged in gap and with two sides in gap and is all connected to close described protection tube body 11.
In the present embodiment; by offering the gap of the second end being extended to protection tube body 11 by the first end of protection tube body 11 on the tube wall of protection tube body 11; and the first non-magnetizer 12 is set in gap; avoid and form closed magnetic circuit on protection tube, thus efficiently solve the problem producing heat damages cable because forming closed-loop path.
The bearing of trend in gap is consistent with the bearing of trend of protection tube body 11.The difficulty offering the gap consistent with the bearing of trend of protection tube body 11 is less, is conducive to enhancing productivity.Also the gap of spiraling can be offered on protection tube body 11.As long as the gap can destroying the circumferential integrality of protection tube body 11 all can realize the technique effect destroying closed-loop path.
First non-magnetizer 12 is for being formed at the weld seam in gap.Complete tubulose is welded into by arranging apertured protection tube body 11.Be conducive to ensureing that protection tube is to the protection of the cable be arranged in protection tube, improves water resistance effectively.
First non-magnetizer 12 is for being formed at the austenitic stainless steel weld joint in gap.
Can also preferably, adopt copper wlding or Ni-based wlding that protection tube body 11 is welded as complete tubulose.The price of stainless steel wlding is lower than copper wlding and Ni-based wlding price, and therefore employing austenitic stainless steel wlding completes to be welded with and is beneficial to reduction production cost.In addition, the difficulty that employing stainless steel wlding completes welding is low, and quality easily ensures.
Cable penetration protective device also comprises the seal ring 4 of the periphery being set on protection tube 1, and seal ring 4 comprises seal ring body 41 and the second non-magnetizer 42.
Seal ring body 41 is provided with the fracture of the outer peripheral face being extended to seal ring body 41 by the inner peripheral surface of seal ring body 41.
Second non-magnetizer 42, second non-magnetizer 42 to be arranged in fracture and to be all connected with closed seal ring body 41 with two sides of fracture.
By arranging fracture on seal ring body 41, efficiently avoid and form closed magnetic circuit on seal ring body, prevent producing heat damages because producing closed magnetic circuit and be arranged on cable in protection tube 1.
Second non-magnetizer 42 is for being formed at the weld seam of the incision position of seal ring body 41.Aperturedly complete tubulose is welded at seal ring body 41 by arranging.Be conducive to ensureing that protection tube is to the protection of the cable be arranged in protection tube, improves water resistance effectively.
Second non-magnetizer 42 is for being formed at the austenitic stainless steel weld joint of the incision position of seal ring body 41.
Can also preferably, adopt copper wlding or Ni-based wlding that seal ring body 41 is welded as complete tubulose.The price of stainless steel wlding is lower than copper wlding and Ni-based wlding price, and therefore employing austenitic stainless steel wlding completes to be welded with and is beneficial to reduction production cost.In addition, stainless steel welded difficulty is low, and quality easily ensures.
In the present embodiment, the second non-magnetizer 42 and the first non-magnetizer 12 are positioned at the same position of the circumference of protection tube body 11.The radially inner side of described second non-magnetizer 42 and the radial outside of described first non-magnetizer 12 are oppositely arranged.Second non-magnetizer 42 and the projection of the first non-magnetizer 12 in the plane of the bearing of trend perpendicular to protection tube 1 are located along the same line.
Cable penetration protective device comprises two seal rings 4, and described two seal ring 4 intervals are arranged.Two seal rings 4 lay respectively at the symmetrically setting of the both sides at the center of the bearing of trend of protection tube 1 bearing of trend relative to protection tube 1.
Cable penetration protective device also comprises the first flange 2 and the second flange 3.First flange 2 is connected with the first end of protection tube 1, and the material of the first flange 2 is austenitic stainless steel.Second flange 3 is connected with the second end of protection tube 1, and the material of the second flange 3 is austenitic stainless steel.
First flange 2 of the present embodiment and the homogeneous of the second flange 3 all adopt austenitic stainless steel material, effectively avoid on the first flange 2 and the second flange 3, forming closed magnetic circuit and producing heat, thus cause damaging the problem of the cable be arranged in protection tube 1.
Cable penetration protective device comprises the first flange 2, cable penetration protective device also comprise be arranged on the first flange 2 away from the first sealing gasket 5 on the end face of protection tube 1.First sealing gasket 5 is arranged between the end face of the first flange 2 and the end face of the first cover plate 7, and the first flange 2 is connected to be stepped up by the first sealing gasket 5 between the first flange 2 and the first cover plate 7 with the first cover plate 7 by multiple bolt 9.
Cable penetration protective device comprises the second flange 3, cable penetration protective device also comprise be arranged on the second flange 3 away from the second sealing gasket 6 on the end face of protection tube 1.Cable penetration protective device also comprises the second cover plate 8, second cover plate 8 and the second flange 3 is bolted to be clamped in by the second sealing gasket 6 between second flange 3 and the second cover plate 8.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a cable penetration protective device, is characterized in that, described cable penetration protective device comprises protection tube (1), and described protection tube (1) comprising:
Protection tube body (11), described protection tube body (11) offers the gap of the second end being extended to described protection tube body (11) by the first end of described protection tube body (11);
First non-magnetizer (12), described first non-magnetizer (12) is arranged in described gap and with two sides in described gap and is all connected to close described protection tube body (11).
2. cable penetration protective device according to claim 1, is characterized in that, the bearing of trend in described gap is consistent with the bearing of trend of described protection tube body (11).
3. cable penetration protective device according to claim 1, is characterized in that, described first non-magnetizer (12) is for being formed at the weld seam in described gap.
4. cable penetration protective device according to claim 1, is characterized in that, described first non-magnetizer (12) is for being formed at the austenitic stainless steel weld joint in described gap.
5. cable penetration protective device according to claim 1; it is characterized in that; described cable penetration protective device also comprises the seal ring (4) of the periphery being set on described protection tube (1), and described seal ring (4) comprising:
Seal ring body (41), described seal ring body (41) is provided with the fracture of the outer peripheral face being extended to described seal ring body (41) by the inner peripheral surface of described seal ring body (41);
Second non-magnetizer (42), described second non-magnetizer (42) to be arranged in described fracture and to be all connected to close described seal ring body (41) with two sides of described fracture.
6. cable penetration protective device according to claim 5, is characterized in that, described second non-magnetizer (42) is for being formed at the weld seam of the incision position of described seal ring body (41).
7. cable penetration protective device according to claim 5, is characterized in that, described second non-magnetizer (42) is for being formed at the austenitic stainless steel weld joint of the incision position of described seal ring body (41).
8. cable penetration protective device according to claim 5, is characterized in that, the radially inner side of described second non-magnetizer (42) and the radial outside of described first non-magnetizer (12) are oppositely arranged.
9. cable penetration protective device according to claim 5, is characterized in that, described cable penetration protective device comprises two described seal rings (4), and described two seal ring (4) intervals are arranged.
10. cable penetration protective device according to claim 1, is characterized in that, described cable penetration protective device also comprises:
First flange (2), described first flange (2) is connected with the first end of described protection tube (1), and the material of described first flange (2) is austenitic stainless steel; And/or,
Second flange (3), described second flange (3) is connected with the second end of described protection tube (1), and the material of described second flange (3) is austenitic stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410713736.3A CN104466839B (en) | 2014-11-28 | 2014-11-28 | Cable penetration protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410713736.3A CN104466839B (en) | 2014-11-28 | 2014-11-28 | Cable penetration protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104466839A true CN104466839A (en) | 2015-03-25 |
| CN104466839B CN104466839B (en) | 2018-02-23 |
Family
ID=52912444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410713736.3A Active CN104466839B (en) | 2014-11-28 | 2014-11-28 | Cable penetration protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104466839B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394659A (en) * | 2017-07-13 | 2017-11-24 | 河南平高电气股份有限公司 | Cubicle Gas-Insulated Switchgear cartridge module and its cylinder adpting flange |
| CN112582902A (en) * | 2020-12-02 | 2021-03-30 | 武汉汉源既济电力有限公司 | High-low voltage power distribution cabinet for cable fire protection |
| CN113319412A (en) * | 2021-06-28 | 2021-08-31 | 中铁八局集团电务工程有限公司 | Processing method for cable line to penetrate through pre-buried steel pipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0200140A3 (en) * | 1985-05-02 | 1987-05-06 | Ihlenfeldt H U Rohrtech | Device for sealing openings traversing conduits, cables or the like |
| CN2392962Y (en) * | 1999-09-13 | 2000-08-23 | 赵培成 | Soft-belt heat-insulation butt-welding type steel-plastic composite pipe |
| CN201340755Y (en) * | 2008-12-05 | 2009-11-04 | 张荣生 | Corrugated metallic sheath inorganic mineral insulation cable |
| CN202663052U (en) * | 2012-05-15 | 2013-01-09 | 浙江省江山江汇电气有限公司 | Wall feed-through sleeve with mounting flanges |
| CN202767899U (en) * | 2012-04-07 | 2013-03-06 | 袁淑英 | Welding seam metal material coiled tubing for downhole operation |
| CN203645274U (en) * | 2013-12-16 | 2014-06-11 | 上海电力设计院有限公司 | Waterproof sleeve for cable of underground substation |
-
2014
- 2014-11-28 CN CN201410713736.3A patent/CN104466839B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0200140A3 (en) * | 1985-05-02 | 1987-05-06 | Ihlenfeldt H U Rohrtech | Device for sealing openings traversing conduits, cables or the like |
| CN2392962Y (en) * | 1999-09-13 | 2000-08-23 | 赵培成 | Soft-belt heat-insulation butt-welding type steel-plastic composite pipe |
| CN201340755Y (en) * | 2008-12-05 | 2009-11-04 | 张荣生 | Corrugated metallic sheath inorganic mineral insulation cable |
| CN202767899U (en) * | 2012-04-07 | 2013-03-06 | 袁淑英 | Welding seam metal material coiled tubing for downhole operation |
| CN202663052U (en) * | 2012-05-15 | 2013-01-09 | 浙江省江山江汇电气有限公司 | Wall feed-through sleeve with mounting flanges |
| CN203645274U (en) * | 2013-12-16 | 2014-06-11 | 上海电力设计院有限公司 | Waterproof sleeve for cable of underground substation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394659A (en) * | 2017-07-13 | 2017-11-24 | 河南平高电气股份有限公司 | Cubicle Gas-Insulated Switchgear cartridge module and its cylinder adpting flange |
| CN112582902A (en) * | 2020-12-02 | 2021-03-30 | 武汉汉源既济电力有限公司 | High-low voltage power distribution cabinet for cable fire protection |
| CN113319412A (en) * | 2021-06-28 | 2021-08-31 | 中铁八局集团电务工程有限公司 | Processing method for cable line to penetrate through pre-buried steel pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104466839B (en) | 2018-02-23 |
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