CN200972900Y - Through ground wire joint for railway grounding - Google Patents
Through ground wire joint for railway grounding Download PDFInfo
- Publication number
- CN200972900Y CN200972900Y CN 200620035354 CN200620035354U CN200972900Y CN 200972900 Y CN200972900 Y CN 200972900Y CN 200620035354 CN200620035354 CN 200620035354 CN 200620035354 U CN200620035354 U CN 200620035354U CN 200972900 Y CN200972900 Y CN 200972900Y
- Authority
- CN
- China
- Prior art keywords
- sealing shroud
- joint
- ground wire
- sheath
- melting welding
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 90
- 238000003466 welding Methods 0.000 claims abstract description 55
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052802 copper Inorganic materials 0.000 claims abstract description 29
- 239000010949 copper Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims description 49
- 230000008018 melting Effects 0.000 claims description 49
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000002788 crimping Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 230000004927 fusion Effects 0.000 abstract 4
- 229910052782 aluminium Inorganic materials 0.000 description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 13
- 239000004411 aluminium Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 238000005476 soldering Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a railway ground connection is with lining up ground wire joint. The utility model discloses a set up in the seal cover of ground wire joint department, the sheath sealing connection of seal cover and two ground wire joint departments, the seal cover forms the fusion welding festival with the cover behind the stranded conductor fusion welding at seal cover middle part. The middle sealing sleeve of the utility model is connected with the sheath of the ground wire in an interference fit way, pressed and bonded, or is connected by sealing elements in a sealing way, so that the utility model is firm and reliable, has good sealing performance, and is airtight and waterproof; the fusion welding joint is a fused joint and has no air holes and other defects; the whole welding joint is made of copper or steel, so that the electric conductivity is high; the fusion welding joint is made of copper or steel, and the stranded wire is made of copper, so that the mechanical strength, namely tensile strength is high; the copper material element does not contain harmful elements, and has no pollution to the environment; just the utility model discloses have high corrosion resistance, long service life.
Description
Technical field
The utility model relates to a kind of railway ground cable, relates in particular to a kind of earthy Through ground wire joint of railway that is applicable to that mainly the railway cable connects.
Background technology
The existing earthy Through ground wire joint of railway mainly adopts fixture block to clamp to connect, sleeve presses and connects and tie up soldering and be connected three kinds.It is basic identical by two profiles that fixture block clamps connection, both sides respectively have an arc groove, the fixture block that has the circular hole that two construction bolts use between two arc grooves is formed by connecting, during connection an arc groove is respectively put in the termination of two cables, buckle second, again with fastening insert circular hole and mix nut with bolt screw up with a wrench, in this connected mode, the tieing mechanical strength is higher, but its electrical property is to contact by the fixture block body with the fixture block arc groove by the cable surface to conduct to another root cable, electrical property poor effect.Sleeve presses and connects is the aluminium sheath of earlier cable line end head being peelled off certain-length, after the copper core head that will expose again becomes the insertion copper sleeve preposition of symmetry, push by force with Crimping Pliers at preposition copper sleeve and copper core are fastenedly connected, again aluminum casing is become the copper sleeve position that has connected of being inserted in of symmetry, with aluminum casing and aluminium sheath extruding being linked together with quadrat method, the quality of conductivity performance is that what that suppress into that the local surfaces of six quadrate part positions contacts by cable head and sleeve pipe are decided with the reliability of area that contacts and contact, and the earth connection point mechanical strength is lower.Tying up the soldering connection is that two cable terminations that need to connect are overlapped certain-length, carry out solid matter with fine copper wire in lap-joint and be wound to the lap of splice, after the whole full welds of part that will wind with soldering method again, make the fine copper wire and the cable surface of winding connect into an integral body joint by soldering, because the winding tightness of fine copper wire is limited, add soldering to cover intensity not high, sealing effectiveness is not good, the earth connection point mechanical strength properties is not high.
Summary of the invention
The purpose of this utility model is to overcome the problems referred to above that the earthy Through ground wire joint of existing railway exists, and provides that a kind of electrical property is strong, mechanical strength is high, good seal performance, environmental protection and the earthy Through ground wire joint of corrosion resistant railway.
For achieving the above object, the technical solution adopted in the utility model is as follows:
The earthy Through ground wire joint of a kind of railway is characterized in that: comprise the sealing shroud that is arranged at earth connection point place, the sheath of described sealing shroud and two earth connection points place is tightly connected, and forms the melting welding joint after sealing shroud and the twisted wire melting welding that is enclosed within sealing shroud middle part.
Described sealing shroud is one, and the sealing shroud two ends are tightly connected with the sheath at earth connection point two ends respectively, forms the melting welding joint after sealing shroud and the twisted wire melting welding that is enclosed within the sealing shroud middle part.
Described sealing shroud is two, and the sheath of sealing shroud one end and earth connection point place is tightly connected, and the other end is enclosed within on the twisted wire of earth connection point place, forms the melting welding joint after the twisted wire butt joint melting welding within it of two sealing shrouds and cover.
Described being tightly connected is interference fit connection, crimping or bonding.
Described being tightly connected to connecting through seal.
Described sealing shroud is a metallic sheath, and sheath is non-ferrous metal or macromolecular material cover, and twisted wire is copper stranded conductor or iron twisted wire.
Advantage of the present utility model is:
In the utility model the sheath of sealing shroud and ground wire be full of be connected, crimping, bonding, or utilize seal to be tightly connected, solid and reliable, good airproof performance, airtight waterproof; The melting welding joint is for being fused into joint, pore-free and other defect; Melting welding joint integral body is copper material or steel, conductivity performance height; Because melting welding material-saving matter is copper or steel, the twisted wire material is a copper, and mechanical strength is the tensile strength height; Do not contain harmful element, environmentally safe in the copper material element; And the utlity model has highly corrosion resistant, long service life.
Description of drawings
Fig. 1 is the structural representation after the utility model melting welding
Fig. 2 adopts the structural representation of a sealing shroud before melting welding for the utility model
Embodiment
Embodiment 1
Most preferred embodiment of the present utility model is: the earthy Through ground wire joint of a kind of railway, comprise the sealing shroud 1 that is arranged at earth connection point place, the sheath 2 of described sealing shroud 1 and two earth connection points place is tightly connected, and forms melting welding joint 4 after sealing shroud 1 and twisted wire 3 melting welding that are enclosed within sealing shroud 1 middle part.Sealing shroud 1 is two, and the sheath 2 of sealing shroud 1 one ends and earth connection point place is tightly connected, and the other end is enclosed within on the twisted wire 3 of earth connection point place, forms melting welding joint 4 after the twisted wire 3 butt joint melting welding within it of two sealing shrouds 1 and cover.Be tightly connected to interference fit connects, described sealing shroud 1 is a copper sheathing, and ground wire sheath 2 is the aluminium cover, and twisted wire 3 is a copper stranded conductor.
In the utility model, during construction with an end of sealing shroud 1 with mechanical type interference fit method with solid and reliable the linking together of the aluminium sheath of cable, the other end with sealing shroud 1 is enclosed within on the copper stranded conductor by little matched in clearance simultaneously, another root cable is assembled in the same way again.Then two cables that assembled with its end being placed in the mould to the end, with the heat release melting method two cable heads are comprised that the sealing shroud melting simultaneously that is connected with aluminium sheath is connected into an integral body, form a diameter at least greater than six millimeters of cable external diameters, length is the above full copper melting welding joint 4 of cable diameter twice.The sealing shroud 1 that the utility model adopts is that copper sheathing is simple in structure, and general lathe can process.When sealing shroud 1 was connected with the outer aluminium sheath interference fit of cable, need be squeezed into by force to put in place with a simple specific purpose tool and hammer and get final product.Heat release melting welding only needs the cable head that assembles is put into the melting welding mould on request, loads onto welding agent, and with the igniter automatic melting welding of welding agent of igniting, safe operation process is reliable.
Sealing shroud 1 is that copper sheathing is connected with the ground wire interference fit in the utility model, and is solid and reliable, and good airproof performance is airtight waterproof; Welding joint 4 after molten solder, pore-free and other defect; Melting welding joint 4 integral body are copper material, conductivity performance height; Because it is copper that melting welding saves 4 materials, diameter is 1.5 times of ground linear diameter, and the ground wire material is a copper, and mechanical strength is the tensile strength height; Do not contain harmful element, environmentally safe in the copper material element; And the utlity model has highly corrosion resistant, long service life.
Embodiment 2
The earthy Through ground wire joint of a kind of railway comprises the sealing shroud 1 that is arranged at earth connection point place, and the sheath 2 of described sealing shroud 1 and two earth connection points place is tightly connected, and forms melting welding joint 4 after sealing shroud 1 and twisted wire 3 melting welding that are enclosed within sealing shroud 1 middle part.Described sealing shroud 1 is one, and sealing shroud 1 two ends are tightly connected with the sheath 2 at earth connection point two ends respectively, forms melting welding joint 4 after sealing shroud 1 and twisted wire 3 melting welding that are enclosed within sealing shroud 1 middle part.Being tightly connected is crimping, and sealing shroud 1 is a steel bushing, and sheath 2 is the aluminium cover, and twisted wire 3 is the iron twisted wire.
The earthy Through ground wire joint of a kind of railway comprises the sealing shroud 1 that is arranged at earth connection point place, and the sheath 2 of described sealing shroud 1 and two earth connection points place is tightly connected, and forms melting welding joint 4 after sealing shroud 1 and twisted wire 3 melting welding that are enclosed within the sealing shroud middle part.Sealing shroud 1 is one, and sealing shroud 1 two ends are tightly connected with the sheath 2 at earth connection point two ends respectively, forms melting welding joint 4 after sealing shroud 1 and twisted wire 3 melting welding that are enclosed within the sealing shroud middle part.Be tightly connected to interference fit connects, sealing shroud 1 is a copper sheathing, and sheath 2 is the aluminium cover, and twisted wire 3 is a copper stranded conductor.
Embodiment 4
The earthy Through ground wire joint of a kind of railway comprises the sealing shroud 1 that is arranged at earth connection point place, and the sheath 2 of described sealing shroud 1 and two earth connection points place is tightly connected, and forms melting welding joint 4 after sealing shroud 1 and twisted wire 3 melting welding that are enclosed within sealing shroud 1 middle part.Described sealing shroud 1 is one, and sealing shroud 1 two ends are tightly connected with the sheath 2 at earth connection point two ends respectively, forms melting welding joint 4 after sealing shroud 1 and twisted wire 3 melting welding that are enclosed within sealing shroud 1 middle part.Described being tightly connected to bonding, sealing shroud 1 is a copper sheathing, and sheath 2 is the aluminium cover, and twisted wire 3 is a copper stranded conductor.
Embodiment 5
The earthy Through ground wire joint of a kind of railway comprises the sealing shroud 1 that is arranged at earth connection point place, and the sheath 2 of described sealing shroud 1 and two earth connection points place is tightly connected, and forms melting welding joint 4 after sealing shroud 1 and twisted wire 3 melting welding that are enclosed within sealing shroud 1 middle part.Sealing shroud 1 is two, and the sheath 2 of sealing shroud 1 one ends and earth connection point place is tightly connected, and the other end is enclosed within on the twisted wire 3 of earth connection point place, forms melting welding joint 4 after the twisted wire 3 butt joint melting welding within it of two sealing shrouds 1 and cover.Being tightly connected is crimping, and sealing shroud 1 is a steel bushing, and sheath 2 is the aluminium cover, and twisted wire 3 is the iron twisted wire.
Embodiment 6
The earthy Through ground wire joint of a kind of railway comprises the sealing shroud 1 that is arranged at earth connection point place, and the sheath 2 of described sealing shroud 1 and two earth connection points place is tightly connected, and forms melting welding joint 4 after sealing shroud 1 and twisted wire 3 melting welding that are enclosed within sealing shroud 1 middle part.Described sealing shroud 1 is two, and the sheath 2 of sealing shroud 1 one ends and earth connection point place is tightly connected, and the other end is enclosed within on the twisted wire 3 of earth connection point place, forms melting welding joint 4 after the twisted wire 3 butt joint melting welding within it of two sealing shrouds 1 and cover.Be tightly connected to connecting through seal, sealing shroud 1 is a copper sheathing, and sheath 2 is the aluminium cover, and twisted wire 3 is a copper stranded conductor.
In the utility model,, then can adopt the utility model as long as twisted wire 3 fusing points in sealing shroud 1 and the cable are close with set point.Obviously; those of ordinary skill in the art is according to technological know-how of being grasped and customary means; according to above said content, can also make the various ways that does not break away from the utility model basic fundamental thought, these pro forma conversion are all within protection range of the present utility model.
Claims (6)
1, the earthy Through ground wire joint of a kind of railway, it is characterized in that: comprise the sealing shroud (1) that is arranged at earth connection point place, the sheath (2) of described sealing shroud (1) and two earth connection points place is tightly connected, and forms melting welding joint (4) after sealing shroud (1) and twisted wire (3) melting welding that is enclosed within sealing shroud (1) middle part.
2, the earthy Through ground wire joint of railway according to claim 1, it is characterized in that: described sealing shroud (1) is one, sealing shroud (1) two ends are tightly connected with the sheath (2) at earth connection point two ends respectively, form melting welding joint (4) after sealing shroud (1) and twisted wire (3) melting welding that is enclosed within sealing shroud (1) middle part.
3, the earthy Through ground wire joint of railway according to claim 1, it is characterized in that: described sealing shroud (1) is two, the sheath (2) of sealing shroud (1) one end and earth connection point place is tightly connected, the other end is enclosed within on the twisted wire (3) of earth connection point place, forms melting welding joint (4) after twisted wire (3) the butt joint melting welding within it of two sealing shrouds (1) and cover.
4, according to claim 1, the earthy Through ground wire joint of 2 or 3 described railways, it is characterized in that: described being tightly connected is interference fit connection, crimping or bonding.
5, the earthy Through ground wire joint of railway according to claim 4 is characterized in that: described being tightly connected to connecting through seal.
6, according to claim 1,2, the earthy Through ground wire joint of 3 or 5 described railways, it is characterized in that: described sealing shroud (1) is a metallic sheath, and sheath (2) is non-ferrous metal or macromolecular material cover, and twisted wire (3) is copper stranded conductor or iron twisted wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035354 CN200972900Y (en) | 2006-08-22 | 2006-08-22 | Through ground wire joint for railway grounding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035354 CN200972900Y (en) | 2006-08-22 | 2006-08-22 | Through ground wire joint for railway grounding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200972900Y true CN200972900Y (en) | 2007-11-07 |
Family
ID=38884154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620035354 Expired - Fee Related CN200972900Y (en) | 2006-08-22 | 2006-08-22 | Through ground wire joint for railway grounding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200972900Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403643A (en) * | 2011-12-12 | 2012-04-04 | 辽宁省电力有限公司鞍山供电公司 | Steel-cored aluminum strand crimping assistant fixture |
| CN101789550B (en) * | 2008-12-16 | 2013-04-10 | 住友电装株式会社 | A wire connection sleeve, a wire connection sleeve producing method, a repair wire and a wire connecting method |
| CN104134875A (en) * | 2014-08-13 | 2014-11-05 | 国家电网公司 | Copper and aluminum compression joint tube with liner tube embedded |
| CN112186372A (en) * | 2020-09-23 | 2021-01-05 | 张金凤 | Internal connection type copper-aluminum transition sleeve and use method thereof |
| CN113178277A (en) * | 2021-04-25 | 2021-07-27 | 华远高科电缆有限公司 | Seamless novel environment-friendly alloy sheath through ground wire |
-
2006
- 2006-08-22 CN CN 200620035354 patent/CN200972900Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789550B (en) * | 2008-12-16 | 2013-04-10 | 住友电装株式会社 | A wire connection sleeve, a wire connection sleeve producing method, a repair wire and a wire connecting method |
| CN102403643A (en) * | 2011-12-12 | 2012-04-04 | 辽宁省电力有限公司鞍山供电公司 | Steel-cored aluminum strand crimping assistant fixture |
| CN104134875A (en) * | 2014-08-13 | 2014-11-05 | 国家电网公司 | Copper and aluminum compression joint tube with liner tube embedded |
| CN112186372A (en) * | 2020-09-23 | 2021-01-05 | 张金凤 | Internal connection type copper-aluminum transition sleeve and use method thereof |
| CN112186372B (en) * | 2020-09-23 | 2021-12-17 | 惠民县天阳金属材料有限公司 | Internal connection type copper-aluminum transition sleeve and use method thereof |
| CN113178277A (en) * | 2021-04-25 | 2021-07-27 | 华远高科电缆有限公司 | Seamless novel environment-friendly alloy sheath through ground wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |