CN106356772B - Cable drawing head and the construction of cable equipped with the cable drawing head - Google Patents
Cable drawing head and the construction of cable equipped with the cable drawing head Download PDFInfo
- Publication number
- CN106356772B CN106356772B CN201610882286.XA CN201610882286A CN106356772B CN 106356772 B CN106356772 B CN 106356772B CN 201610882286 A CN201610882286 A CN 201610882286A CN 106356772 B CN106356772 B CN 106356772B
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- China
- Prior art keywords
- cable
- drawing head
- connecting pipe
- main body
- aluminium hydraulic
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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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
- H02G1/081—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling using pulling means at cable ends, e.g. pulling eyes or anchors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/06—Cable terminating boxes, frames or other structures
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- Cable Accessories (AREA)
- Gas Or Oil Filled Cable Accessories (AREA)
Abstract
The present invention relates to a kind of cable drawing head and equipped with the cable of the cable drawing head, cable includes cable core, and cable drawing head includes：Aluminium hydraulic pressed connecting pipe, for being arranged cable core, aluminium hydraulic pressed connecting pipe includes aluminium hydraulic pressed connecting pipe main body and the interconnecting piece set on aluminium hydraulic pressed connecting pipe main body one end；Drawing head main body is connected to the interconnecting piece of aluminium hydraulic pressed connecting pipe；Protection sleeve pipe, one end are connected to drawing head main body, and the other end extends along the extending direction of aluminium hydraulic pressed connecting pipe and surround aluminium hydraulic pressed connecting pipe；Waterproof construction, to fill the gap between protection sleeve pipe and aluminium hydraulic pressed connecting pipe in protection sleeve pipe.Above-mentioned cable drawing head; drawing head main body is convenient for trailing cable by the way that aluminium hydraulic pressed connecting pipe and cable core are closely coupled; waterproof construction fills the gap between protection sleeve pipe and aluminium hydraulic pressed connecting pipe; to strengthen the waterproof effect of the cable drawing head, and waterproof construction is protected to influence waterproof effect to avoid waterproof construction is damaged by protection sleeve pipe.In addition, the structure of the cable drawing head is simple, convenient for manufacture and maintenance.
Description
Technical field
The present invention relates to field of electrical equipment, more particularly to a kind of cable drawing head and equipped with the electricity of the cable drawing head
Cable structure.
Background technique
High-tension cable drawing head is to lay a kind of high-tension cable of 110kV and above commonly tool, traction
Head is installed on cable one end, is mainly used for when laying cables, playing guidance cable louding, bearing traction cable pull, prevent
The effects of cable core is intake is the important technical for ensureing cable and laying safely.
But currently, due to the fault of construction of high-tension cable drawing head, and cable channel is curved during practical cable laying operation
It is bent irregular, therefore the weld seam that often will cause high-tension cable drawing head ruptures even cable drawing head under the action of pulling force and takes off
The case where from cable.When there is water in pipeline, it will result in a large amount of water inlets inside cable, thus to electric system high pressure and superelevation
The safe operation of voltage electric grid causes hidden trouble.
Summary of the invention
Based on this, it is necessary to for the problem that cable drawing head waterproof performance is poor, it is preferable to provide a kind of waterproof performance
Cable drawing head and the construction of cable equipped with the cable drawing head.
A kind of cable drawing head is used for trailing cable, and the cable includes cable core, and the cable drawing head includes：
Aluminium hydraulic pressed connecting pipe, for being arranged cable core, the aluminium hydraulic pressed connecting pipe includes aluminium hydraulic pressed connecting pipe main body and is set to the aluminium hydraulic pressed connecting pipe main body one
The interconnecting piece at end；
Drawing head main body is connected to the interconnecting piece of the aluminium hydraulic pressed connecting pipe；
Protection sleeve pipe, one end are connected to the drawing head main body, and the other end extends simultaneously along the extending direction of the aluminium hydraulic pressed connecting pipe
Around the aluminium hydraulic pressed connecting pipe；And
Waterproof construction, to fill the gap between the protection sleeve pipe and the aluminium hydraulic pressed connecting pipe in the protection sleeve pipe.
Above-mentioned cable drawing head, drawing head main body are convenient for trailing cable by the way that aluminium hydraulic pressed connecting pipe and cable core are closely coupled, are prevented
Water-bound fills the gap between protection sleeve pipe and aluminium hydraulic pressed connecting pipe, to strengthen the waterproof effect of the cable drawing head, and passes through
Protection sleeve pipe protects waterproof construction damaged to avoid waterproof construction and influences waterproof effect.In addition, the structure of the cable drawing head
Simply, convenient for manufacture and maintenance.
The waterproof construction includes being wound in blocking water on the aluminium hydraulic pressed connecting pipe and the cable in one of the embodiments,
Band.
Drawing head main body one end offers connecting hole, the interconnecting piece of the aluminium hydraulic pressed connecting pipe in one of the embodiments,
It is inserted in the connecting hole and is connect by the connecting hole with the drawing head main body screw.
The drawing head main body and protection sleeve pipe welding are in one in one of the embodiments,.
A kind of construction of cable, including cable and above-mentioned cable drawing head, the cable drawing head connects the cable one
End.
The cable includes the insulation system of cable core and the cladding cable core in one of the embodiments, described
Insulation system includes that insulation system main body and the sealing set on described insulating body one end, the cable core are stretched on described close
To connect with the aluminium hydraulic pressed connecting pipe of the cable drawing head, the waterproof construction coats the sealing in envelope portion.
The sealing is in a circular table shape in one of the embodiments, and the cross-sectional area of the sealing connects institute certainly
Insulation system main body one end is stated to be gradually reduced to the other end.
The cone angle of the sealing is in 90 ° in one of the embodiments,.
The waterproof construction coats outer diameter and the institute of the sealing and the waterproof construction in one of the embodiments,
The outer diameter for stating insulation system main body is identical.
The insulation system is arranged with sheath in one of the embodiments, and the protection sleeve pipe is far from the drawing head
One end of main body and the sheath weld.
Detailed description of the invention
Fig. 1 is the partial structural diagram of the construction of cable of an embodiment；
Fig. 2 is the scheme of installation of the cable drawing head of the construction of cable shown in FIG. 1；
Fig. 3 is the structural decomposition diagram of the cable drawing head of the construction of cable shown in FIG. 1；
Fig. 4 is the partial schematic diagram of the cable of the construction of cable shown in FIG. 1.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
As shown in Figure 1, Figure 2 and Figure 3, a kind of cable drawing head 40 for trailing cable 20 of this preferred embodiment, electricity
Cable 20 includes cable core 22 and the insulation system 24 for coating cable core 22, and cable drawing head 40 includes aluminium hydraulic pressed connecting pipe 42, drawing head master
Body 44, protection sleeve pipe 46 and waterproof construction 48.
Wherein, aluminium hydraulic pressed connecting pipe 42 is for being arranged cable core 22 to connect with cable core 22, including aluminium hydraulic pressed connecting pipe main body 424 and is set to
The interconnecting piece 422 of 424 one end of aluminium hydraulic pressed connecting pipe main body, drawing head main body 44 are connected to the interconnecting piece 422 of aluminium hydraulic pressed connecting pipe 42 to pass through crimping
Pipe 42 is connected to cable core 22.46 one end of protection sleeve pipe is connected to drawing head main body 44, and the other end is along the extension side of aluminium hydraulic pressed connecting pipe 42
To extending and surrounding aluminium hydraulic pressed connecting pipe 42, waterproof construction 48 is set in protection sleeve pipe 46 to fill between protection sleeve pipe 46 and aluminium hydraulic pressed connecting pipe 42
Gap.
Above-mentioned cable drawing head 40, drawing head main body 44 are closely coupled convenient for traction by aluminium hydraulic pressed connecting pipe 42 and cable core 22
Cable 20, waterproof construction 48 fills the gap between protection sleeve pipe 46 and aluminium hydraulic pressed connecting pipe 42, to strengthen the cable drawing head 40
Waterproof effect, and protect waterproof construction 48 to influence waterproof effect to avoid waterproof construction 48 is damaged by protection sleeve pipe 46.
In addition, the structure of the cable drawing head 40 is simple, convenient for manufacture and maintenance.
Please continue to refer to Fig. 1, Fig. 2 and Fig. 3, aluminium hydraulic pressed connecting pipe 42 is sheathed on the cable core 22 for stretching out insulation system 24 and passes through pressure
It connects pincers and is closely connect with cable core 22, avoid loosening from cable core 22.
Waterproof construction 48 includes the waterstop being wound on aluminium hydraulic pressed connecting pipe 42 and cable 20, to prevent environmental liquids from entering cable
20.In this way, winding waterstop as needed, the gap between protection sleeve pipe 46 and aluminium hydraulic pressed connecting pipe 42 and cable 20 can be enriched, is had
Preferable waterproof performance and the anti-extrusion ability that drawing head main body 44 can be improved.Even if in the case where 46 breakage of protection sleeve pipe,
Also it can avoid outside liquid and contact cable core 22.Further, which is high-intensitive self-adhering-type water blocking tape, so as to close
Ground is wound on aluminium hydraulic pressed connecting pipe 42 and cable 20 to form waterproof construction 48.
44 one end of drawing head main body offers connecting hole 442, and the interconnecting piece 422 of aluminium hydraulic pressed connecting pipe 42 is inserted in connecting hole 442 simultaneously
Be threadedly coupled by connecting hole 442 with drawing head main body 44, the other end of drawing head main body 44 offer lifting hole(eyelet) 444 with outside
Traction device connection.
Specifically, the connecting hole 442 of drawing head main body 44 is blind hole and inner wall is equipped with internal screw thread, the interconnecting piece of aluminium hydraulic pressed connecting pipe 42
422 are equipped with and the matched external screw thread of internal screw thread on connecting hole 442.In this way, the interconnecting piece of drawing head main body 44 and aluminium hydraulic pressed connecting pipe 42
422 be threadedly coupled, bonding strength with higher and avoid drawing head main body 44 from loosening in the case where bearing larger pulling force, and
Facilitate connection and disassembly.
Further, drawing head main body 44 and protection sleeve pipe 46 are integrally welded, to close drawing head main body 44 and protect
Gap between protecting pipe 46 prevents extraneous liquid from entering protection sleeve pipe 46 between drawing head main body 44 and protection sleeve pipe 46
It is internal.
Above-mentioned cable drawing head 40, drawing head main body 44 are securely connect with cable core 22 by aluminium hydraulic pressed connecting pipe 42, waterproof construction
48 are filled in around cable 20 and prevent environmental liquids from contacting cable core 22.Moreover, be additionally provided with drawing head main body 44 welding be in
The protection sleeve pipe 46 of one avoids waterproof construction 48 from damaging to protect waterproof construction 48, thus reach better waterproof effect,
The service life for extending the cable drawing head 40 avoids that fracture occurs during cabling 20, is crushed and leads to cable
20 dampness.
As shown in Figures 1 and 2, a kind of construction of cable 100 of this preferred embodiment, including cable 20 and above-mentioned cable pulling
First 40, and 40 connecting cable of cable drawing head, 20 one end is with trailing cable 20.
Cable 20 includes cable core 22 and cladding cable core 22 with the insulation system 24 of insulated electro cable core 22.Specifically, absolutely
Edge structure 24 includes that insulation system main body 244 and the sealing 242 set on 244 one end of insulating body, cable core 22 are stretched on close
Envelope portion 242 with the aluminium hydraulic pressed connecting pipe 42 of cable drawing head 40 to connect, and cable core 22 stretches out the length and aluminium hydraulic pressed connecting pipe of sealing 242
42 equal length, so as to all be contained in aluminium hydraulic pressed connecting pipe 42.Waterproof construction 48 then coat aluminium hydraulic pressed connecting pipe 42 and sealing 242 with
Realize water-proof function.
Fig. 1 and Fig. 2 is please referred to, sealing 242 is in a circular table shape, and the cross-sectional area of sealing 242 connects insulation system certainly
244 one end of main body is gradually reduced to the other end, to increase the contact area with waterproof construction 48, enhances waterproof effect.
As shown in figure 4, in the present embodiment, the cone angle of sealing 242 is in 90 °, thus increasing the contact area with waterproof construction 48
While ensure that enough intensity.
Referring to Fig. 1 and Fig. 2, further, waterproof construction 48 coats the outer diameter of sealing 242 and waterproof construction 48
It is identical as the outer diameter of insulation system main body 244, further increase the waterproof performance of the cable 20.
In one embodiment, insulation system 24 is arranged with sheath 26, the one end of protection sleeve pipe 46 far from drawing head main body 44
It is welded with sheath 26, thus with protection sleeve pipe 46 jointly around cable 20 to protect cable 20.
The above-mentioned construction of cable 100 coats the insulation system 24 of cable core 22 by being in coniform sealing 242 and cable
Drawing head 40 connect, thus increase with the contact area of waterproof construction 48 and improve waterproof performance, improve cable 20 laying
Quality and reliability.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of cable drawing head, is used for trailing cable, the cable includes the insulation knot of cable core and the cladding cable core
Structure, the insulation system include insulation system main body and the sealing set on insulation system main body one end, the sealing
In a circular table shape, the cross-sectional area of the sealing is gradually reduced from connection insulation system main body one end to the other end, special
Sign is that the cable drawing head includes：
Aluminium hydraulic pressed connecting pipe, for being arranged cable core, the aluminium hydraulic pressed connecting pipe includes aluminium hydraulic pressed connecting pipe main body and set on aluminium hydraulic pressed connecting pipe main body one end
Interconnecting piece；
Drawing head main body is connected to the interconnecting piece of the aluminium hydraulic pressed connecting pipe；
Protection sleeve pipe, one end are connected to the drawing head main body, and the other end extends and surround along the extending direction of the aluminium hydraulic pressed connecting pipe
The aluminium hydraulic pressed connecting pipe；And
Waterproof construction, to fill gap and the cladding between the protection sleeve pipe and the aluminium hydraulic pressed connecting pipe in the protection sleeve pipe
The aluminium hydraulic pressed connecting pipe and the sealing, the outer diameter of the waterproof construction are identical as the outer diameter of the insulation system main body.
2. cable drawing head according to claim 1, which is characterized in that the waterproof construction includes being wound in the crimping
Waterstop on pipe and the cable.
3. cable drawing head according to claim 1, which is characterized in that drawing head main body one end offers connection
Hole, the interconnecting piece of the aluminium hydraulic pressed connecting pipe are inserted in the connecting hole and are connected by the connecting hole and the drawing head main body screw
It connects.
4. cable drawing head according to claim 1, which is characterized in that the drawing head main body and the protection sleeve pipe are welded
It connects in one.
5. a kind of construction of cable, which is characterized in that the cable pulling including cable and as described in Claims 1 to 4 any one
Head, the cable drawing head connect described cable one end.
6. the construction of cable according to claim 5, which is characterized in that the cable core be stretched on the sealing with institute
State the aluminium hydraulic pressed connecting pipe connection of cable drawing head.
7. the construction of cable according to claim 5, which is characterized in that the cone angle of the sealing is in 90 °.
8. the construction of cable according to claim 5, which is characterized in that the insulation system is arranged with sheath, the protection
The one end of casing far from the drawing head main body and the sheath weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610882286.XA CN106356772B (en) | 2016-09-30 | 2016-09-30 | Cable drawing head and the construction of cable equipped with the cable drawing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610882286.XA CN106356772B (en) | 2016-09-30 | 2016-09-30 | Cable drawing head and the construction of cable equipped with the cable drawing head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106356772A CN106356772A (en) | 2017-01-25 |
| CN106356772B true CN106356772B (en) | 2018-11-27 |
Family
ID=57865655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610882286.XA Active CN106356772B (en) | 2016-09-30 | 2016-09-30 | Cable drawing head and the construction of cable equipped with the cable drawing head |
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| Country | Link |
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| CN (1) | CN106356772B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086501A (en) * | 2017-05-31 | 2017-08-22 | 国网辽宁省电力有限公司盘锦供电公司 | Multi-purpose seeker |
| CN110994471A (en) * | 2019-11-22 | 2020-04-10 | 中车长春轨道客车股份有限公司 | Threading guide device for corrugated rubber hose |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3834256A1 (en) * | 1988-10-08 | 1990-04-12 | Roland Wolf | Tension anchor for cables |
| CN2770178Y (en) * | 2004-07-05 | 2006-04-05 | 特变电工山东鲁能泰山电缆有限公司 | Steel-aluminium combined pulling head for high voltage cross-linked cable |
| CN102035150A (en) * | 2010-10-29 | 2011-04-27 | 浙江晨光电缆股份有限公司 | Waterproof drawing head of cable and mounting method thereof |
| CN202736591U (en) * | 2012-08-21 | 2013-02-13 | 浙江万马电缆股份有限公司 | Novel single-core waterproof traction head |
| CN103354336A (en) * | 2013-06-09 | 2013-10-16 | 宁波球冠电缆股份有限公司 | Enhanced cable traction head |
| CN203562705U (en) * | 2013-10-17 | 2014-04-23 | 广州南洋电缆有限公司 | Waterproof traction head of power cable |
| CN206135309U (en) * | 2016-09-30 | 2017-04-26 | 广东电网有限责任公司珠海供电局 | Cable drawing head and be equipped with cable structure of this cable drawing head |
-
2016
- 2016-09-30 CN CN201610882286.XA patent/CN106356772B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3834256A1 (en) * | 1988-10-08 | 1990-04-12 | Roland Wolf | Tension anchor for cables |
| CN2770178Y (en) * | 2004-07-05 | 2006-04-05 | 特变电工山东鲁能泰山电缆有限公司 | Steel-aluminium combined pulling head for high voltage cross-linked cable |
| CN102035150A (en) * | 2010-10-29 | 2011-04-27 | 浙江晨光电缆股份有限公司 | Waterproof drawing head of cable and mounting method thereof |
| CN202736591U (en) * | 2012-08-21 | 2013-02-13 | 浙江万马电缆股份有限公司 | Novel single-core waterproof traction head |
| CN103354336A (en) * | 2013-06-09 | 2013-10-16 | 宁波球冠电缆股份有限公司 | Enhanced cable traction head |
| CN203562705U (en) * | 2013-10-17 | 2014-04-23 | 广州南洋电缆有限公司 | Waterproof traction head of power cable |
| CN206135309U (en) * | 2016-09-30 | 2017-04-26 | 广东电网有限责任公司珠海供电局 | Cable drawing head and be equipped with cable structure of this cable drawing head |
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| Publication number | Publication date |
|---|---|
| CN106356772A (en) | 2017-01-25 |
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