CN215355945U - Traction rod crimping device of high-voltage cable - Google Patents
Traction rod crimping device of high-voltage cable Download PDFInfo
- Publication number
- CN215355945U CN215355945U CN202121373780.6U CN202121373780U CN215355945U CN 215355945 U CN215355945 U CN 215355945U CN 202121373780 U CN202121373780 U CN 202121373780U CN 215355945 U CN215355945 U CN 215355945U
- Authority
- CN
- China
- Prior art keywords
- traction rod
- traction
- cable
- inner ring
- crimping device
- 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
- 238000002788 crimping Methods 0.000 title claims abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910001369 Brass Inorganic materials 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000010951 brass Substances 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model discloses a traction rod crimping device of a high-voltage cable, which comprises a traction rod and a plurality of sleeves arranged in the traction rod; the traction device is characterized in that a traction head is fixed at one end of the traction rod, a cable placing groove is formed in the other end of the traction rod, an inner ring is connected to the inner wall of the cable placing groove in a circle, and a plurality of sleeves are placed in the inner ring. Has the advantages that: the sleeve pipes with the same number as the conductors are arranged in the traction rod, the stress on the whole cable is changed into the one-by-one stress on the conductors in the cable when the traction rod is pulled through the sleeve pipes, the stress is dispersed, the traction rod is difficult to fall off from the cable, and the brass inner ring is arranged in the traction rod, so that the transmission of electric power can be guaranteed.
Description
Technical Field
The utility model belongs to the technical field of compression joint of traction rods, and particularly relates to a compression joint device for a traction rod of a high-voltage cable.
Background
The cable is an electric energy or signal transmission device, made of one or more mutually insulated conductors and an outer insulation protective layer, and transmits electric power or information from one place to a wire at another place.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a traction rod crimping device of a high-voltage cable, wherein sleeves with the same number as conductors are arranged in a traction rod, the stress on the whole cable is changed into the stress on the conductors in the cable one by one when the traction rod is pulled through the sleeves, the stress is dispersed, the traction rod is difficult to fall off from the cable, a brass inner ring is arranged in the traction rod, the power transmission can be ensured, the device is firm in structure and convenient to use, and compared with the existing traction head, the device can disperse the stress to a single conductor, disperse the stress and enable the connection position to be more stable.
In order to achieve the technical purpose, the utility model provides the following technical scheme:
the utility model provides a traction rod crimping device of a high-voltage cable, which comprises a traction rod and a plurality of sleeves arranged in the traction rod;
the traction device is characterized in that a traction head is fixed at one end of the traction rod, a cable placing groove is formed in the other end of the traction rod, an inner ring is connected to the inner wall of the cable placing groove in a circle, and a plurality of sleeves are placed in the inner ring.
When the device is used, the cable head is pulled apart, the conductors are respectively inserted into the sleeves, the sleeves with the conductors are inserted into the cable placing grooves, the outer sides of the draw bars are squeezed, the inner walls of the sleeves are in contact with the conductors, the outer walls of the sleeves are in contact with the inner walls of the inner rings, friction of contact surfaces is increased through the bumps, and therefore the cable is installed on the draw bars.
Preferably, the sleeve is of a cylindrical structure, and a plurality of projections for increasing friction force are uniformly fixed on the inner wall and the outer side of the sleeve.
Preferably, the number of sleeves is the same as the number of conductors.
Preferably, the material of the inner ring is copper, and the thickness of the inner ring is 2mm greater than the height of the bump on the outer side of the sleeve.
Preferably, the length of the sleeve is 10mm greater than the depth of the cable tray.
Preferably, the outer diameter of the inner ring is 0.2-0.4 mm larger than the diameter of the inner wall of the traction rod, a connecting hole is formed in the traction head, and the traction head and the traction rod are integrally formed.
Has the advantages that: the device changes the overall stress of the cable into one-by-one stress of the conductors in the cable when the traction rod is pulled through the sleeve, disperses the stress, so that the traction rod is difficult to fall off from the cable, and the brass inner ring is arranged in the traction rod, thereby ensuring the transmission of electric power.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a left side view of the present invention;
the reference numerals are explained below:
1. a draw bar; 101. a cable placement slot; 102. an inner ring; 2. a traction head; 3. a sleeve; 301. and (4) a bump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a traction rod crimping device for a high voltage cable, including a traction rod 1 and a plurality of sleeves 3 disposed inside the traction rod 1; a traction head 2 is fixed at one end of a traction rod 1, a cable placing groove 101 is formed in the other end of the traction rod 1, an inner ring 102 is connected to the inner wall of the cable placing groove 101 in a circle, and a plurality of sleeves 3 are placed in the inner ring 102.
As an alternative embodiment, the sleeve 3 is a cylindrical structure, and a plurality of protrusions 301 for increasing friction force are uniformly fixed on the inner wall and the outer side of the sleeve 3, so that the protrusions 301 are contacted with the inner wall of the inner ring 102 on the outer side of the compression drawbar 1 to increase friction force, thereby improving the stability of the connection. The number of the sleeves 3 is the same as the number of the conductors, and the length of the sleeves 3 is 10mm larger than the depth of the cable placement groove 101.
The inner ring 102 is made of copper, so that the protrusions 301 are prevented from breaking the drawbar 1, and the thickness of the inner ring 102 is 2mm greater than the height of the protrusions 301 outside the sleeve 3, so that the protrusions 301 do not penetrate the inner ring 102 during extrusion.
The outer diameter of the inner ring 102 is 0.2mm-0.4mm larger than the diameter of the inner wall of the traction rod 1, the arrangement is that the inner ring 102 is arranged in the traction rod 1 in an interference fit mode, a connecting hole is formed in the traction head 2, and the traction head 2 and the traction rod 1 are integrally formed.
By adopting the structure, when the device is used, the cable head is pulled out, then the conductors are respectively inserted into the sleeves 3, then the sleeves 3 with the conductors are inserted into the cable placing grooves 101, then the outer side of the traction rod 1 is squeezed, the inner walls of the sleeves 3 are contacted with the conductors, the outer walls of the sleeves are contacted with the inner walls of the inner rings 102, the friction force of the contact surfaces is increased through the convex blocks 301, and therefore the cable is installed on the traction rod 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a traction lever crimping device of high tension cable which characterized in that: comprises a draw bar (1) and a plurality of sleeves (3) arranged in the draw bar (1);
a traction head (2) is fixed at one end of the traction rod (1), a cable placing groove (101) is formed in the other end of the traction rod (1), an inner ring (102) is connected to the inner wall of the cable placing groove (101) in a circle, and a plurality of sleeves (3) are placed in the inner ring (102).
2. A drawbar crimping device for high voltage cables according to claim 1, characterized in that: the sleeve (3) is of a cylindrical structure, and a plurality of lugs (301) used for increasing friction force are uniformly fixed on the inner wall and the outer side of the sleeve (3).
3. A drawbar crimping device for high voltage cables according to claim 2, characterized in that: the number of the sleeves (3) is the same as the number of the conductors.
4. A drawbar crimping device for high voltage cables according to claim 2, characterized in that: the inner ring (102) is made of copper, and the thickness of the inner ring (102) is 2mm greater than the height of the bump (301) on the outer side of the sleeve (3).
5. A drawbar crimping device for high voltage cables according to claim 2, characterized in that: the length of the sleeve (3) is 10mm greater than the depth of the cable placement groove (101).
6. A drawbar crimping device for high voltage cables according to claim 2, characterized in that: the outer diameter of the inner ring (102) is 0.2-0.4 mm larger than the diameter of the inner wall of the traction rod (1), a connecting hole is formed in the traction head (2), and the traction head (2) and the traction rod (1) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121373780.6U CN215355945U (en) | 2021-06-21 | 2021-06-21 | Traction rod crimping device of high-voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121373780.6U CN215355945U (en) | 2021-06-21 | 2021-06-21 | Traction rod crimping device of high-voltage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215355945U true CN215355945U (en) | 2021-12-31 |
Family
ID=79635939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121373780.6U Expired - Fee Related CN215355945U (en) | 2021-06-21 | 2021-06-21 | Traction rod crimping device of high-voltage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215355945U (en) |
-
2021
- 2021-06-21 CN CN202121373780.6U patent/CN215355945U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211231 |