CN117374874A - Overhead power transmission line crimping pipe and use method thereof - Google Patents
Overhead power transmission line crimping pipe and use method thereof Download PDFInfo
- Publication number
- CN117374874A CN117374874A CN202311316091.5A CN202311316091A CN117374874A CN 117374874 A CN117374874 A CN 117374874A CN 202311316091 A CN202311316091 A CN 202311316091A CN 117374874 A CN117374874 A CN 117374874A
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- China
- Prior art keywords
- crimping pipe
- ring
- power transmission
- pipe
- transmission line
- 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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Links
- 238000002788 crimping Methods 0.000 title claims abstract description 116
- 230000005540 biological transmission Effects 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 28
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 73
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 72
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 239000004411 aluminium Substances 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims description 22
- 238000010276 construction Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000011241 protective layer Substances 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 9
- 238000003825 pressing Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 150000001398 aluminium Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
-
- 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
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses an overhead power transmission line crimping pipe and a use method thereof, relates to the technical field of overhead power transmission devices, and aims to solve the problem of high difficulty in connection of overhead high-voltage lines, and the technical scheme is as follows: the utility model provides an overhead power transmission line crimping pipe, including crimping pipe one and crimping pipe two, crimping pipe one cover is located outside the crimping pipe, fixedly connected with a plurality of aluminium cables and a plurality of dowel steel between crimping pipe one and the crimping pipe two, crimping pipe one's both ends fixedly connected with screw in subassembly, screw in subassembly include outer outward facing ring and inlayer rotatory ring, rotatory ring rotates to be connected in the inner wall of outward facing ring, and the internal diameter of rotatory ring is from keeping away from crimping pipe two sides and be close to crimping pipe two sides and reduce. According to the overhead power transmission line crimping pipe and the use method, the inner steel core and the outer aluminum wire of the overhead power transmission line are screwed in together through the screwing-in assembly, the original two pressurizing procedures are simplified into one pressurizing procedure, relevant tools required to be carried under the condition of aerial operation are reduced, and the operation safety is enhanced.
Description
Technical Field
The invention relates to the technical field of overhead power transmission devices, in particular to an overhead power transmission line crimping pipe and a using method thereof.
Background
The crimping pipe is a connecting piece for connecting two pipelines through a pressurizing machine such as a hydraulic machine after the two pipelines are sleeved from two ends respectively, and currently, in the connection of an aerial power transmission line, the crimping pipe is adopted for connection.
In the current crimping pipe connection to aerial power transmission circuit, constructor can be firstly with the outer protective layer stripping of both ends circuit, then separate inside play support and protection effect's steel core and outside its transmission effect's aluminium line, and will cut off partial outer aluminium line and establish with convenient follow-up cover, constructor cover and establish a big crimping pipe outside the aluminium line of one end circuit afterwards, constructor can use little crimping pipe to use portable hydraulic press to compress tightly after embolia the steel core of both ends circuit, slide big crimping pipe to little crimping pipe position afterwards, constructor compresses tightly the aluminium line of both ends circuit after inserting little crimping pipe again using portable hydraulic press, accomplish whole crimping process finally.
In the actual operation environment, the whole crimping process all needs constructor to go on in the air, constructor needs to carry more instrument, and need carry out the process of twice crimping pipe in proper order, therefore dangerous and difficulty compare at ground operation improves greatly, can lead to aluminium wire edge to produce the burr after cutting off the aluminium wire, the surface contact of burr and crimping pipe can lead to scraping crimping pipe, make the aluminium wire appear blocking, phenomenon such as crooked, the quality of connection has been reduced, if the deburring is needed, this again can promote the instrument quantity of carrying to the sky, this has increased the operation degree of difficulty and danger in the sky again.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide an overhead power transmission line crimping pipe and a using method thereof.
The technical aim of the invention is realized by the following technical scheme: the utility model provides an overhead power transmission line crimping pipe, includes crimping pipe one and crimping pipe two, crimping pipe one cover is located outside the crimping pipe, fixedly connected with a plurality of aluminium cable and a plurality of dowel steel between crimping pipe one and the crimping pipe two, the both ends fixedly connected with screw in subassembly of crimping pipe one, screw in subassembly includes the swivel ring of outer outward appearance ring and inlayer, the swivel ring rotates and connects in the inner wall of outward appearance ring, the axis of rotation of swivel ring and the axis collineation of crimping pipe, the internal diameter of swivel ring is close to crimping pipe both sides from keeping away from crimping pipe both sides side and reduces.
Through adopting above-mentioned technical scheme, through the cooperation of swivel ring and outward appearance ring, with overhead line's aluminum wire and steel core screw in crimping pipe one and crimping pipe two, get rid of surface burr so that connect smoothly at the screw in-process, swivel ring's internal diameter change makes things convenient for aluminum wire and steel core's screw in more, the pressure of dowel steel transmission hydraulic press is in order to connect the overhead line at both ends, aluminum cable plays the effect of connecting the both ends by the aluminium wire that has cut short, thereby accomplish the effect that aluminum wire and steel core cup joint simultaneously in one crimping process, need not constructor additionally to carry a crimping pipe and clear up burr instrument, reduce the required instrument quantity of aerial operation, reduce constructor the aerial construction degree of difficulty, ensure constructor personal safety, promote connection quality.
The invention is further provided with: the hardness of the inner wall surface material of the rotating ring is larger than that of aluminum.
Through adopting above-mentioned technical scheme, strengthen the effect of the deburring of rotatory in-process of swivel joint.
The invention is further provided with: the inner diameter of the second crimping pipe is reduced from the side close to the outer ring to the side far from the outer ring.
By adopting the technical scheme, the steel core can conveniently enter the second pressing pipe.
The invention is further provided with: two ends of the second crimping pipe are respectively and fixedly connected with a cutting pipe, the inner diameter of the cutting pipe is reduced from the side close to the outer surface ring to the side far away from the outer surface ring, and the outer diameter of the cutting pipe is reduced from the side far away from the outer surface ring to the side close to the outer surface ring.
By adopting the technical scheme, the cutting ring is convenient for separating the aluminum wire from the steel core, so that the screwing-in and connecting process is smoother.
The invention is further provided with: the maximum inner diameter of the second crimping pipe is equal to the minimum inner diameter of the cutting pipe, and the outer diameter of the second crimping pipe is equal to the maximum outer diameter of the cutting pipe.
By adopting the technical scheme, no height difference exists between the second crimping pipe and the cutting ring, so that the screwing process is smoother.
The invention is further provided with: the inner surface of the outer surface ring is provided with a ring groove, the outer surface of the rotary ring is fixedly connected with a sliding block, and the sliding block is matched with the ring groove.
By adopting the technical scheme, the ring groove and the sliding block are matched to position the position of the rotary ring when rotating.
The invention is further provided with: the inner diameter and the outer diameter of one side of the ring groove close to the outer surface of the outer surface ring are increased.
Through adopting above-mentioned technical scheme, the location when further guaranteeing the swivel ring rotation makes external hydraulic press after exerting pressure to screw in the subassembly simultaneously, and the swivel ring can not follow the screw in subassembly and drop, promotes the security.
The invention is further provided with: and gaps exist among the aluminum cables, and two ends of the dowel bar penetrate through the gaps and are fixedly connected with the first crimping pipe and the second crimping pipe respectively.
Through adopting above-mentioned technical scheme, promote the effect of dowel bar transmission external hydraulic pressure, make inside crimping pipe two receive great pressure in order to press close the steel core at both ends.
The invention is further provided with: the dowel bars are arranged around the crimping pipe II circular array, and the dowel bars are arranged along the connecting pipe II length direction linear array.
By adopting the technical scheme, the internal stress of the second crimp tube is uniform in the length extending direction and the curved surface extending direction of the second crimp tube.
The invention also provides a use method of the overhead power transmission line crimping pipe, which comprises the following specific steps:
step one: a constructor peels off protective layers of power transmission lines at two ends, separates an external aluminum wire from an internal steel core, and cuts off the aluminum wire with proper length;
step two: the constructor carries the two-end power transmission lines into the air through an overhead line construction auxiliary device, and screws the aluminum wires and the steel cores at the two ends into the first crimping pipe and the second crimping pipe through the screwing-in assembly;
step three: the constructor uses the portable hydraulic machine to press the position of the screwing-in assembly firstly, and then presses the middle section of the crimping pipe I, so that the power transmission line connection is completed.
By adopting the technical scheme, the difficulty and the steps of air compression joint are greatly reduced, the safety of constructors is ensured, meanwhile, the technical and experience requirements on the constructors are also reduced, and the reliability of connection is ensured by a hydraulic pressure applying mode from the two ends to the middle.
In summary, the invention has the following beneficial effects:
according to the overhead power transmission line crimping pipe, the traditional step-by-step crimping is changed into simultaneous crimping of the steel core and the aluminum wire through the sleeving of the first crimping pipe and the second crimping pipe, burrs generated by shearing of the aluminum wire are removed when the aluminum wire and the steel core are screwed into the first crimping pipe and the second crimping pipe through the screwing-in assembly, the possibility that the aluminum wire is bent and blocked when entering the crimping pipe is reduced, the aluminum wire and the steel core are further separated through the cutting pipe, so that the connection and power supply quality is improved, the number of tools and crimping pipes required to be carried in aerial operation is reduced as a whole, the construction steps are reduced, the difficulty and the danger of aerial line connection are reduced, and the personal safety of constructors is guaranteed.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a cross-sectional view at A in FIG. 2;
FIG. 4 is a schematic view of the structure of the second crimp tube, the aluminum cable and the dowel bar of the present invention;
FIG. 5 is a schematic view of a screw-in assembly according to the present invention;
FIG. 6 is a schematic diagram of a screw-in assembly according to a second embodiment of the present invention;
FIG. 7 is a cross-sectional view at B in FIG. 6;
fig. 8 is an enlarged schematic view at C in fig. 3.
In the figure: 11. a first pressing pipe is connected; 12. a second pressing pipe; 13. an aluminum cable; 14. a dowel bar; 15. an outer ring; 16. a rotating ring; 17. cutting the tube; 18. a ring groove; 19. a slide block; 20. a deflector rod; 21. a handle; 22. shrinking the segment; 23. the segments are maintained.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Examples
An overhead power transmission line crimping pipe, as shown in figure 1, comprises a crimping pipe I11 and a crimping pipe II 12, wherein the crimping pipe I11 is sleeved outside the crimping pipe II 12, the sections of the crimping pipe I11 and the crimping pipe II 12 are circular rings, the crimping pipe I11 and the crimping pipe II 12 are concentrically arranged, eighteen aluminum cables 13 and thirty-six dowel bars 14 are fixedly connected between the crimping pipe I11 and the crimping pipe II 12, the dowel bars 14 are cylindrical, the section of the aluminum cables 13 is circular, two ends of the crimping pipe I11 are fixedly connected with screwing components, the screwing components comprise an outer surface ring 15 of an outer layer and a rotating ring 16 of an inner layer, the rotating ring 16 is rotationally connected to the inner wall of the outer surface ring 15, the rotating axis of the rotating ring 16 is collinear with the axis of the crimping pipe, the inner diameter of the rotating ring 16 is reduced from the side far away from the crimping pipe II 12 to the side close to the crimping pipe II 12, the inner wall surface material hardness of the rotating ring 16 is greater than that of aluminum, the rotary ring 16 is fixedly connected with a deflector rod 20 at one side far away from the second crimp tube 12, the deflector rod 20 is cylindrical, the deflector rod 20 protrudes out of the outer ring 15 and is connected with an external space, the deflector rod 20 is convenient for constructors to rotate the rotary ring 16, one end of the deflector rod 20 far away from the outer ring 15 extends towards a direction far away from the inner wall surface of the outer surface to form a handle 21, the handle 21 is further convenient for constructors to rotate, friction and contact between hands and aluminum wires of constructors during rotating the rotary ring 16 are reduced, the aluminum wires and steel cores of overhead lines are screwed into the first crimp tube 11 and the second crimp tube 12 respectively through the rotating fit of the rotary ring 16 and the aluminum wires in the screwing process, burrs on the surface of a fracture of the aluminum wires are removed, the surface of the aluminum wires is smoother, and the aluminum wires enter the first crimp tube 11 more smoothly, the change of the inner diameter of the rotary ring 16 has the guiding effect, so that the aluminum wire and the steel core enter the end with the small inner diameter from the end with the large inner diameter, the aluminum wire and the steel core are conveniently screwed in, the dowel bar 14 transmits the pressure of the hydraulic press to connect the overhead lines at the two ends, the aluminum cable 13 is arranged to connect the aluminum wires with the two ends being cut short, the sleeving of the aluminum wire and the sleeving of the steel core are simultaneously completed through one crimping process, and then the crimping of the aluminum wire and the steel core is synchronously completed through a portable hydraulic machine, so that constructors do not need to additionally carry a crimping pipe for secondary sleeving, and constructors do not need to carry tools for cleaning burrs, thereby reducing the number and weight of tools required by the aerial operation of constructors, reducing the aerial construction difficulty of constructors, reducing the requirement on experience of constructors, guaranteeing the personal safety of constructors, and simultaneously improving the connection quality.
As shown in fig. 2, 3, 4 and 8, the inner diameter of the second crimp tube 12 is reduced from the side close to the outer ring 15 to the side far from the outer ring 15, the two ends of the second crimp tube 12 are fixedly connected with the cutting tubes 17, the inner diameter of the cutting tubes 17 is reduced from the side close to the outer ring 15 to the side far from the outer ring 15, the outer diameter of the cutting tubes 17 is reduced from the side far from the outer ring 15 to the side close to the outer ring 15, in this embodiment, the difference between the minimum inner diameter and the minimum inner diameter of the second crimp tube 12 is equal to the minimum inner diameter of the cutting tubes 17, the outer diameter of the second crimp tube 12 is equal to the maximum outer diameter of the cutting tubes 17, namely, the two ends of the cutting tubes can enter the gaps between the aluminum wire and the steel core, so as to achieve the effect of properly separating the aluminum wire from the steel core, thereby improving the quality of the subsequent connection, and the screw-in process is smoother without height difference between the second crimp tube 12 and the cutting rings.
As shown in fig. 5 and 6, in this embodiment, the inner wall of the rotary ring 16 includes a reduced section 22 and a maintaining section 23, the reduced section 22 and the maintaining section 23 each occupy half of the length of the rotary ring 16, the inner diameter of the rotary ring 16 linearly decreases at the reduced section 22, the inner diameter of the rotary ring 16 is kept constant at the maintaining section 23 and equal to the minimum inner diameter of the reduced section 22, the reduced section 22 is far away from the first crimp tube 11, the maintaining section 23 is close to the first crimp tube 11, in the cross-sectional view of the rotary ring 16, the angle between the reduced section 22 and the maintaining section 23 is 17 degrees, the reduced section 22 plays the role of leading aluminum wire into the first crimp tube 11 and the maintaining section 23, the maintaining section 23 plays the role of grinding burrs on the surface of the aluminum wire and further pushing the aluminum wire into the first crimp tube 11, the inner surface of the outer surface ring 15 is provided with a ring groove 18, the outer surface of the rotary ring 16 is fixedly connected with a slide 19, the slide 19 is matched with the ring groove 18, the inner diameter and the outer diameter of the side of the outer surface of the ring groove 18 is increased, in this embodiment, the slide 19 includes an inner ring section and an outer ring section, the inner diameter of the slide 19 is also equal to the thickness of the inner ring and outer ring section of the inner ring outer ring section and outer ring diameter of the inner ring section is equal to the inner diameter of the outer ring section.
As shown in fig. 2, 3 and 4, eighteen aluminum cables 13 are divided into six groups, three groups of six aluminum cables 13 are arranged in a circumferential array around the axis of the crimp tube two 12, the six aluminum cables 13 are spirally wound with each other, the diameters of each aluminum cable 13 are the same, the length of the aluminum cable 13 closer to the crimp tube one 11 is longer, gaps exist between the eighteen aluminum cables 13, the direction of the gaps is vertical to the outer surface of the crimp tube two 12 along the inner surface of the crimp tube one 11, two ends of thirty-six dowel bars 14 pass through the gaps and are fixedly connected with the crimp tube one 11 and the crimp tube two 12 respectively, in this embodiment, thirty-six transfer can be divided into six groups in the direction around the axis of the crimp tube two 12, each group is six, the angle between two adjacent groups is sixty degrees, that is, each group of dowel bars 14 is arranged in a circular array around the crimp tube two 12, thirty-six transfer pipes can be divided into six groups along the extending direction of the second length of the connecting pipe, each group of six transfer pipes is equal in distance between two adjacent groups, the ratio of the distance to the minimum distance between the dowel bar 14 and one end of the second pressure connecting pipe 12 is five to four, namely, each group of dowel bars 14 are arranged in a linear array along the second length direction of the connecting pipe, the arrangement direction of the dowel bars 14 promotes the effect of the dowel bars 14 transferring external hydraulic pressure, the second pressure connecting pipe 12 is subjected to larger pressure to press steel cores at two ends, the arrangement position of the dowel bars 14 enables the pressure transmitted from the outside to be applied to the second pressure connecting pipe 12 more uniformly, meanwhile, because the force outlet of the hydraulic press for the pressure connecting pipe always presents a regular hexagon, the arrangement position of the dowel bars 14 is matched with the application direction of external force, the hardness of one end of the dowel bars 14 close to the second pressure connecting pipe 12 is larger than one end far away from the second pressure connecting pipe 12, the overall material hardness of the dowel bars 14 is lower than that of the first pressure connecting pipe 11, the probability of damage to the first crimp tube 11 caused by external force resistance of the dowel bar 14 in the crimping process is reduced, and in the embodiment, the second crimp tube 12 is made of aluminum materials, so that interference on the power transmission efficiency of the circuit is reduced.
The method of use of this embodiment is as follows,
step one: the constructor uses tools such as electrician's knife, wire stripper, cable clamp to strip the protective layer of the two ends power transmission line, separates outside aluminium wire and inside steel core, cuts off aluminium wire of suitable length afterwards, and the length that needs to cut off depends on the crimping pipe, ties up outside aluminium wire through rope etc. to prevent that it from further dispersing and influencing subsequent connection quality.
Step two: the constructor carries both ends power transmission line to the sky through the supplementary device of overhead line construction such as hanging wire wheel, hanging wheel etc. in the time of inserting aluminium wire and steel core into crimping pipe one 11 and crimping pipe two 12 rotatory driving lever 20, driving lever 20 drives the swivel becket and rotates to this aluminium wire and steel core with both ends is through screw in subassembly screw in crimping pipe one 11 and crimping pipe two 12, compares traditional mode more laborsaving, connects inseparabler, has got rid of the burr on aluminium wire surface at this in-process simultaneously, makes the removal of burr accomplish with screw in connection simultaneously, has simplified the work flow.
Step three: when the two ends are pressed, the constructor operates the portable hydraulic machine to press the middle section of the first crimping pipe 11, at the moment, the inner surface shape of the two ends of the first crimping pipe 11 is changed under the hydraulic action, the movement direction of the iron core and the aluminum wire after being pressed is controlled, the possibility that the iron core and the aluminum wire move away from the first crimping pipe 12 and the second crimping pipe 12 can be reduced, the iron core of the power transmission line at the two ends is attached due to the pressing of the middle section, and meanwhile, the aluminum cable 13 is attached to the aluminum wire, so that the whole crimping process is smoothly completed, and the power transmission line connection is completed.
In the practical use process, the aluminum wire connecting device is easy for constructors to carry and arrive at aerial operation, the number of crimp pipes to be carried is reduced, the space for carrying aluminum wire burrs to grind related tools is saved, the connection of a power transmission line is made to be tighter, the connection and power supply quality is improved, the number of tools and crimp pipes to be carried in aerial operation is reduced as a whole, construction steps are reduced by optimizing two crimping procedures into one crimping procedure, the difficulty and the danger of aerial line connection are reduced, the personal safety of constructors is guaranteed, and the experience requirement on constructors is reduced.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (10)
1. The utility model provides an overhead power transmission line crimping pipe, includes crimping pipe one (11) and crimping pipe two (12), its characterized in that: the crimping pipe I (11) cover is located outside crimping pipe II (12), fixedly connected with a plurality of aluminium cable (13) and a plurality of dowel steel (14) between crimping pipe I (11) and crimping pipe II (12), the both ends fixedly connected with screw in subassembly of crimping pipe I (11), screw in subassembly includes outer outward appearance ring (15) and inlayer swivel ring (16), swivel ring (16) rotate and connect in the inner wall of outward appearance ring (15), the axis of rotation of swivel ring (16) and the axis collineation of crimping pipe, the internal diameter of swivel ring (16) is from keeping away from crimping pipe II (12) side direction and is close to crimping pipe II (12) side and dwindles.
2. The overhead power transmission line crimp tube of claim 1, wherein: the hardness of the inner wall surface material of the rotary ring (16) is greater than that of aluminum.
3. The overhead power transmission line crimp tube of claim 1, wherein: the inner diameter of the second crimping pipe (12) is reduced from the side close to the outer surface ring (15) to the side far from the outer surface ring (15).
4. The overhead power transmission line crimp tube of claim 3, wherein: two ends of the crimping pipe II (12) are respectively fixedly connected with a cutting pipe (17), the inner diameter of the cutting pipe (17) is reduced from the side close to the outer surface ring (15) to the side far away from the outer surface ring (15), and the outer diameter of the cutting pipe (17) is reduced from the side far away from the outer surface ring (15) to the side close to the outer surface ring (15).
5. The overhead power transmission line crimp tube of claim 4, wherein: the maximum inner diameter of the second crimp tube (12) is equal to the minimum inner diameter of the cutting tube (17), and the outer diameter of the second crimp tube (12) is equal to the maximum outer diameter of the cutting tube (17).
6. The overhead power transmission line crimp tube of claim 1, wherein: the inner surface of the outer surface ring (15) is provided with a ring groove (18), the outer surface of the rotary ring (16) is fixedly connected with a sliding block (19), and the sliding block (19) is matched with the ring groove (18).
7. The overhead power transmission line crimp tube of claim 6, wherein: the inner diameter and the outer diameter of the side of the ring groove (18) close to the outer surface of the outer surface ring (15) are increased.
8. The overhead power transmission line crimp tube of claim 1, wherein: a plurality of aluminum cables (13) are provided with gaps, and two ends of the dowel bar (14) penetrate through the gaps and are fixedly connected with the first crimping pipe (11) and the second crimping pipe (12) respectively.
9. The overhead power transmission line crimp tube of claim 1, wherein: the dowel bars (14) are arranged in a circular array around the second connecting pipe (12), and the dowel bars (14) are arranged in a linear array along the length direction of the second connecting pipe.
10. The application method of the overhead power transmission line crimping pipe comprises the following specific steps:
step one: a constructor peels off protective layers of power transmission lines at two ends, separates an external aluminum wire from an internal steel core, and cuts off the aluminum wire with proper length;
step two: the constructor carries the two-end power transmission lines into the air through an overhead line construction auxiliary device, and screws the aluminum wires and the steel cores at the two ends into the first crimping pipe (11) and the second crimping pipe (12) through screw-in assemblies;
step three: the constructor uses the portable hydraulic machine to press the position of the screwing-in assembly firstly, and then presses the middle section of the crimping pipe I (11) to finish the connection of the power transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311316091.5A CN117374874A (en) | 2023-10-11 | 2023-10-11 | Overhead power transmission line crimping pipe and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311316091.5A CN117374874A (en) | 2023-10-11 | 2023-10-11 | Overhead power transmission line crimping pipe and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117374874A true CN117374874A (en) | 2024-01-09 |
Family
ID=89401626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311316091.5A Withdrawn CN117374874A (en) | 2023-10-11 | 2023-10-11 | Overhead power transmission line crimping pipe and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117374874A (en) |
-
2023
- 2023-10-11 CN CN202311316091.5A patent/CN117374874A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20240109 |