CN202713645U - Mineral-insulating heating cable joint - Google Patents
Mineral-insulating heating cable joint Download PDFInfo
- Publication number
- CN202713645U CN202713645U CN 201220336517 CN201220336517U CN202713645U CN 202713645 U CN202713645 U CN 202713645U CN 201220336517 CN201220336517 CN 201220336517 CN 201220336517 U CN201220336517 U CN 201220336517U CN 202713645 U CN202713645 U CN 202713645U
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- Prior art keywords
- connecting sleeve
- joint
- cable
- heating
- ing
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- Expired - Fee Related
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Abstract
The utility model discloses a mineral-insulating heating cable joint, which comprises a lead, a heating wire, a connecting sleeve, a magnesium oxide powder insulating layer and a cable sheath. The lead and the heating wire are fixedly connected in an oxygen welding way and placed inside the connecting sleeve. The magnesium oxide powder insulating layer is filled inside the connecting sleeve and wraps the outer sides of the lead and the heating wire. The cable sheath and the connecting sleeve are fixedly connected. The lead and the heating wire are welded in an oxygen welding way in the connecting sleeve. Then the magnesium oxide powder insulating layer is filled inside the connecting sleeve. The magnesium oxide powder insulating layer has a high heatproof grade and good heating performances. The cable sheath and the connecting sleeve are fixedly connected in an argon arc welding way. Good sealing effects and excellent electrical insulating performances are achieved. The joint part where the cable sheath and the connecting sleeve are connected can bear the same high temperature as the cable sheath does. The cable joint is thus suitably applied in occasions requiring continuous heating. The application range is enlarged. Furthermore, the cable joint provided in the utility model has the characteristics of high safety coefficient, long service lifetime, simple structural design and convenient installation.
Description
Technical field
The utility model relates to the electrical heating elements technical field, relates in particular to a kind of mineral insulation heating cable joint.
Background technology
In the prior art, in the mineral insulation heating cable joint, wire and line with heating function generally adopt the oxygen welding welding, in joint sleeve, adopt high-temp glue to fill the welding point place as insulating barrier after the welding, the high-temp glue sealing is adopted in the joint of joint sleeve and cable cover(ing), joint sleeve and cable cover(ing) adopt stainless steel material to make, and generally are only applicable to serviceability temperature at the tracing thermal-insulating of the pipeline below 150 ℃, tank body.Because cable joint adopts oxygen welding welding and common high-temp glue embedding, when serviceability temperature is higher than more than 150 ℃, the easy carbonization of its welding point place high-temp glue, and, the joint of joint sleeve and cable cover(ing) is owing to cable cover(ing) is easy to reach the high-temp glue carbonization that higher temperature makes the joint; Along with the continuity of conduction time, temperature can rise higher and higher, and the final carbonization of high-temp glue causes the damage of insulating barrier, stainless steel sleeve pipe and stainless steel sheath, thereby causes heating cable short circuit, ground connection and damage.
The utility model content
For the problem that prior art exists, the purpose of this utility model is to propose a kind of mineral insulation heating cable joint, and the insulating barrier temperature resistant grade is high, heating property is good, good sealing effect, and electrical insulation properties is good, the use coefficient of safety is high, and long service life is applied widely.
For reaching this purpose, the utility model by the following technical solutions:
A kind of mineral insulation heating cable joint, comprise wire, line with heating function, joint sleeve, magnesia powder insulating barrier and cable cover(ing), wherein, wire is connected oxygen welding to be welded and fixed connection and places joint sleeve with line with heating function, the magnesia powder insulating barrier be filled in the joint sleeve and be wrapped in wire and line with heating function outside, cable cover(ing) is fixedly connected with joint sleeve.
Preferably, cable cover(ing) is welded and fixed with joint sleeve employing argon arc welding and is connected.
Preferably, joint sleeve and cable cover(ing) adopt stainless steel material to make.
Based on disclosing of above technical scheme, the utility model possesses following beneficial effect:
The mineral insulation heating cable joint that the utility model proposes, wire and line with heating function are by the rear magnesia powder insulating barrier of filling in joint sleeve of oxygen welding welding, the highest magnesian bearing temperature is 1400 ℃, and the temperature resistant grade of magnesia powder insulating barrier is high, and heating property is good; Cable cover(ing) is welded and fixed with joint sleeve employing argon arc welding and is connected, good sealing effect, electrical insulation properties is good, cable cover(ing) can bear the high temperature the same with cable cover(ing) with the joint of joint sleeve, and maximum temperature reaches about 750 ℃, the applicable place that needs laser heating, enlarged the scope of application, it uses coefficient of safety high, long service life, and structural design is simple, easy for installation.
Description of drawings
Fig. 1 is the structural representation of a kind of mineral insulation heating cable joint that the utility model proposes.
Embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment:
As shown in Figure 1, Fig. 1 is the structural representation of a kind of mineral insulation heating cable joint that the utility model proposes.
With reference to accompanying drawing, a kind of mineral insulation heating cable joint that the utility model proposes, comprise wire 1, line with heating function 2, joint sleeve 3, magnesia powder insulating barrier 4 and cable cover(ing) 5, wherein, wire 1 is connected with line with heating function and is adopted oxygen welding to be welded and fixed to connect and place joint sleeve 3, magnesia powder insulating barrier 4 be filled in the joint sleeve 3 and be wrapped in wire 1 and line with heating function 2 outside, cable cover(ing) 5 is fixedly connected with joint sleeve 3, concrete, cable cover(ing) 5 is welded and fixed with joint sleeve 3 employing argon arc weldings and is connected.
Wherein, wire 1 can adopt copper wire, and joint sleeve 3 and cable cover(ing) 5 adopt stainless steel material to make.
The mineral insulation heating cable joint that the utility model proposes, wire and line with heating function are by the rear magnesia powder insulating barrier of filling in joint sleeve of oxygen welding welding, the highest magnesian bearing temperature is 1400 ℃, and the temperature resistant grade of magnesia powder insulating barrier is high, and heating property is good; Cable cover(ing) is welded and fixed with joint sleeve employing argon arc welding and is connected, good sealing effect, electrical insulation properties is good, cable cover(ing) can bear the high temperature the same with cable cover(ing) with the joint of joint sleeve, and maximum temperature reaches about 750 ℃, the applicable place that needs laser heating, enlarged the scope of application, it uses coefficient of safety high, long service life, and structural design is simple, easy for installation.
The above has carried out exemplary description to the utility model by reference to the accompanying drawings; obvious realization of the present utility model is not subjected to the restriction of aforesaid way; as long as adopted the method design of utility model and the various improvement that technical scheme is carried out; or without improving the design of utility model and technical scheme are directly applied to other occasion, all in protection range of the present utility model.
Claims (3)
1. mineral insulation heating cable joint, it is characterized in that, comprise wire (1), line with heating function (2), joint sleeve (3), magnesia powder insulating barrier (4) and cable cover(ing) (5), wherein, wire (1) is connected 2 with line with heating function) adopt oxygen welding to be welded and fixed to connect and place joint sleeve (3), magnesia powder insulating barrier (4) be filled in the joint sleeve (3) and be wrapped in wire (1) and line with heating function (2) outside, cable cover(ing) (5) is fixedly connected with joint sleeve (3).
2. mineral insulation heating cable joint according to claim 1 is characterized in that, cable cover(ing) (5) is welded and fixed with joint sleeve (3) employing argon arc welding and is connected.
3. mineral insulation heating cable joint according to claim 1 and 2 is characterized in that, joint sleeve (3) and cable cover(ing) (5) adopt stainless steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220336517 CN202713645U (en) | 2012-07-12 | 2012-07-12 | Mineral-insulating heating cable joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220336517 CN202713645U (en) | 2012-07-12 | 2012-07-12 | Mineral-insulating heating cable joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202713645U true CN202713645U (en) | 2013-01-30 |
Family
ID=47593897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220336517 Expired - Fee Related CN202713645U (en) | 2012-07-12 | 2012-07-12 | Mineral-insulating heating cable joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202713645U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107660008A (en) * | 2017-08-14 | 2018-02-02 | 久盛电气股份有限公司 | A kind of hand-held bearing heating rod and preparation method thereof |
| CN114243320A (en) * | 2021-12-27 | 2022-03-25 | 陈骁祥 | Cold and hot section switching sleeve of armored heating wire |
-
2012
- 2012-07-12 CN CN 201220336517 patent/CN202713645U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107660008A (en) * | 2017-08-14 | 2018-02-02 | 久盛电气股份有限公司 | A kind of hand-held bearing heating rod and preparation method thereof |
| CN107660008B (en) * | 2017-08-14 | 2024-02-09 | 久盛电气股份有限公司 | Handheld bearing heating rod and manufacturing method thereof |
| CN114243320A (en) * | 2021-12-27 | 2022-03-25 | 陈骁祥 | Cold and hot section switching sleeve of armored heating wire |
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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: 20130130 Termination date: 20180712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |