CN215185758U - Flexible spare wire clamp for overhead transmission line - Google Patents
Flexible spare wire clamp for overhead transmission line Download PDFInfo
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- CN215185758U CN215185758U CN202121581842.2U CN202121581842U CN215185758U CN 215185758 U CN215185758 U CN 215185758U CN 202121581842 U CN202121581842 U CN 202121581842U CN 215185758 U CN215185758 U CN 215185758U
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- wire clamp
- wire
- clamp
- overhead transmission
- cover plate
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 41
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 238000005266 casting Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 238000013461 design Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 5
- 238000002788 crimping Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model discloses a flexible stand-by fastener for overhead transmission line belongs to electric power fitting technical field, has solved that traditional stand-by fastener exists that the high altitude construction degree of difficulty is big, the installation wastes time and energy, and structural design is complicated, and manufacturing cost is high, the limited problem of control range. The wire clamp mainly comprises two oblique wire clamps with the same structure and a drainage wire fixed between the two oblique wire clamps, and the drainage wire and the two oblique wire clamps keep an electrical conduction relationship; the oblique wire clamp comprises a wire clamp body, a wire clamp cover plate and a wire clamp drainage tube, and two grooves formed in the wire clamp body and the wire clamp cover plate form an accommodating space for accommodating the overhead transmission conductor. The utility model discloses application scope is wide, and the commonality is strong, easy operation, and simple to operate is swift, and structural design is very simple, and used accessory is few, low in manufacturing cost, and the practicality is very strong, has won the quality for transmission line and has salvageed the time, has important meaning in the electric power system trade.
Description
Technical Field
The utility model belongs to the technical field of the electric power fitting, specifically speaking especially relates to a flexible stand-by fastener for overhead transmission line that application scope is wide, the commonality is extremely strong, high altitude construction convenient and fast, structural design is simple, the manufacturing is easy, low in production cost.
Background
When the lead is erected, a strain clamp is needed to be used at the joint of the lead and the tower. The strain clamp comprises parts such as a strain clamp body formed by bending, the tension of an overhead line is large, and the strain clamp is corroded and damaged by natural factors for a long time, so that cracks and even fracture at the bending part of the strain clamp are often found in daily monitoring and maintenance of electric power facilities. When the strain clamp cracks, the strain clamp needs to be immediately repaired, and a standby clamp needs to be used in the repairing process so as to prevent the power failure of the power transmission line from causing serious loss to national economy.
The patent application No. 202020601550.X, application date 2020.04.21, the invention provides a Chinese patent named HD preformed armor wire type strain clamp for spare use, and discloses a preformed armor wire type spare wire clamp which mainly comprises a U-shaped suspension ring, a sleeve, an inserted rod, a preformed armor wire connector and an opening angle adjusting rod, wherein one end of the U-shaped suspension ring is connected with the sleeve, the inserted rod is arranged inside the sleeve, one end of the inserted rod is connected with the preformed armor wire connector, one end of the top and the bottom of the preformed armor wire connector is inserted with the opening angle adjusting rod, one end of the opening angle adjusting rod is fixedly provided with a fixed pulley through the U-shaped mounting head, the surface of the opening angle adjusting rod is provided with a fixed screw hole, when in use, the U-shaped suspension ring is firstly clamped on a pole and tower fastener and is fixedly connected through a first fixing bolt, then the inserted rod is pulled and adjusted in length according to use needs, and then the limiting bolt is screwed into the limiting screw hole to fix the inserted rod, then pass through the arc through-hole with the HD preformed armor rod, according to the user's needs, the flare angle is adjusted the pole, screws into the inside fixed screw with second fixing bolt and fixes flare angle adjustment pole, and the HD preformed armor rod passes through the fixed pulley at last, can adjust the flare angle of HD preformed armor rod. Therefore, the traditional standby wire clamp has the defects of high altitude operation difficulty, time and labor waste in installation, complex structural design, high manufacturing cost, limited adjusting range and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flexible stand-by fastener for overhead transmission line that application scope is wide, the commonality is extremely strong, high altitude construction convenient and fast, structural design is simple, the manufacturing is easy, low in production cost to the not enough of prior art existence.
The utility model discloses a realize through following technical scheme:
a flexible spare wire clamp for an overhead transmission line comprises two inclined wire clamps with the same structure and a drainage lead fixed between the two inclined wire clamps, wherein the drainage lead and the two inclined wire clamps keep an electrical conduction relationship;
the oblique wire clamp comprises a wire clamp body, a wire clamp cover plate and a wire clamp drainage tube; the wire clamp comprises a wire clamp body and a wire clamp drainage tube, wherein the wire clamp body comprises a body clamping plate and a body connecting section which is arranged in an inclined direction relative to the longitudinal central line of the body clamping plate;
after the wire clamp body and the wire clamp cover plate are spliced by the connecting piece, two grooves formed in the wire clamp body and the wire clamp cover plate form an accommodating space for accommodating an overhead transmission conductor.
Preferably, the body splint and the body connecting section are integrally formed by adopting a casting process.
Preferably, the connecting section of the body is fixedly connected with a wire clamp drainage tube in a welding connecting mode.
Preferably, the wire clamp drainage tube is fixedly connected with the drainage wire in a compression joint mode.
Preferably, the drainage wire is a steel strand.
Preferably, the connector is a bolt and nut assembly.
Preferably, the wire clamp body is provided with N groups of body bolt through hole groups, and each group of body bolt through hole group is provided with two body bolt through holes; the wire clamp cover plate is N independent sub-wire clamp cover plates, each sub-wire clamp cover plate is provided with two cover plate bolt through holes corresponding to the body bolt through holes, and the N independent sub-wire clamp cover plates are correspondingly spliced with the N groups of body bolt through holes of the wire clamp body one by one.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has wide application range, can be suitable for the transmission lines under different scenes by changing the length of the drainage wire, and has strong universality;
the utility model has easy operation, convenient and fast installation, and greatly reduces the difficulty of high-altitude operation of constructors;
the utility model discloses structural design is very simple, and used accessory is few, low in manufacturing cost, and the practicality is very strong, has won the quality for transmission line and has salvageed the time, has important meaning in the electric power system trade.
Drawings
FIG. 1 is a schematic structural view in practical application of the present invention;
FIG. 2 is a schematic view of the front direction structure of the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic structural view of the wire clamp body of the present invention;
fig. 5 is a schematic view of the structure of the wire clamp cover plate of the present invention.
In the figure: 1. an oblique wire clamp; 11. a wire clamp body; 111. a body clamp plate; 112. a body connecting section; 113. a body bolt through hole group; 114. a body bolt through hole; 12. a wire clamp cover plate; 121. a sub-cable clamp cover plate; 122. a cover plate bolt through hole; 13. a wire clamp drainage tube; 14. a connecting member; 15. a groove; 2. a drainage wire; 3. an overhead power transmission conductor.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
a flexible spare wire clamp for an overhead transmission line comprises two inclined wire clamps 1 with the same structure and a drainage conductor 2 fixed between the two inclined wire clamps 1, wherein the drainage conductor 2 and the two inclined wire clamps 1 keep an electrical conduction relationship;
the inclined wire clamp 1 comprises a wire clamp body 11, a wire clamp cover plate 12 and a wire clamp drainage tube 13; the wire clamp body 11 comprises a body clamping plate 111 and a body connecting section 112 which is arranged in an inclined direction relative to the longitudinal central line of the body clamping plate 111, the body connecting section 112 and the body clamping plate 111 are fixed into a whole, the free end of the body connecting section 112 is fixedly connected with one end of a wire clamp drainage tube 13, and the other end of the wire clamp drainage tube 13 is fixedly connected with a drainage wire 2;
after the wire clamp body 11 and the wire clamp cover plate 12 are spliced by the connecting piece 14, two grooves 15 formed in the wire clamp body 11 and the wire clamp cover plate 12 form an accommodating space for accommodating the overhead transmission conductor 3.
Preferably, the body clamp plate 111 and the body connecting section 112 are integrally formed by casting. The casting process forms a whole, which can enhance the structural strength and is convenient for production and manufacture.
Preferably, the body connecting section 112 is fixedly connected with the wire clamp drainage tube 13 by adopting a welding connection mode. The filling part at the joint of the body connecting section and the wire clamp drainage tube in the figure represents a welding spot.
Preferably, the wire clamp drainage tube 13 is fixedly connected with the drainage wire 2 in a crimping connection mode. The operation is convenient, only a pressure connecting tool is needed, and the temporary field manufacturing is convenient.
Preferably, the drainage wire 2 is a steel strand.
Preferably, the attachment member 14 is a bolt and nut assembly. And a conventional connecting piece is selected, so that the operation of a constructor is facilitated.
Preferably, N groups of body bolt through hole groups 113 are formed in the wire clamp body 11, and each group of body bolt through hole groups 113 is provided with two body bolt through holes 114; the wire clamp cover plate 12 is N independent sub-wire clamp cover plates 121, each sub-wire clamp cover plate 121 is provided with two cover plate bolt through holes 122 corresponding to the body bolt through holes 114, and the N independent sub-wire clamp cover plates 121 are correspondingly spliced with the N groups of body bolt through hole groups 113 of the wire clamp body 11 one by one. The cable clamp cover plate is a plurality of independent sub-cable clamp cover plates, the sub-cable clamp cover plates are aluminum alloy metal plates, and the independent design is favorable for compacting the transmission conductors by the cover plates.
Example 1:
the utility model provides a flexible reserve fastener for overhead transmission line, includes two slant fastener 1 of the same structure and fixes drainage wire 2 between two slant fastener 1, and drainage wire 2 and two slant fastener 1 keep electric conduction relation. The oblique wire clamp 1 comprises a wire clamp body 11, a wire clamp cover plate 12 and a wire clamp drainage tube 13; the wire clamp body 11 comprises a body clamping plate 111 and a body connecting section 112 which is arranged in an inclined direction relative to the longitudinal central line of the body clamping plate 111, the body connecting section 112 and the body clamping plate 111 are fixed into a whole, the free end of the body connecting section 112 is fixedly connected with one end of a wire clamp drainage tube 13, and the other end of the wire clamp drainage tube 13 is fixedly connected with a drainage wire 2; after the wire clamp body 11 and the wire clamp cover plate 12 are spliced by the connecting piece 14, two grooves 15 formed in the wire clamp body 11 and the wire clamp cover plate 12 form an accommodating space for accommodating the overhead transmission conductor 3.
The compression joint of the drainage lead and the oblique wire clamp can be performed in advance and can also be installed on site. When a certain transmission line needs to be repaired, a constructor wears the insulating clothing, and as shown in the attached drawing figure 1 of the specification, two oblique wire clamps of the flexible standby wire clamp are respectively and electrically fixed on two overhead transmission lines. Specifically, an overhead transmission conductor is embedded into a groove of a wire clamp body, a wire clamp cover plate is covered on the wire clamp body, and the wire clamp body is fixedly connected with the wire clamp cover plate through a connecting piece. After the oblique wire clamps at the two ends are installed, the standby power transmission line is connected.
The embodiment has wide application range, and the length of the drainage lead can be changed to adapt to the power transmission lines in different scenes; the on-site manufacture can be realized, and the on-site crimping is carried out by selecting a proper drainage wire on site, so that the universal type is strong; the operation of the embodiment is easy, the installation is convenient and quick, and the high-altitude operation difficulty of constructors is greatly reduced; this embodiment structural design is very simple, and used accessory is few, low in manufacturing cost, and the practicality is very strong, wins the valuable time of salvageing for transmission line, has the significance in the electric power system trade.
Example 2:
the utility model provides a flexible reserve fastener for overhead transmission line, includes two slant fastener 1 of the same structure and fixes drainage wire 2 between two slant fastener 1, and drainage wire 2 is the steel strand wires, and drainage wire 2 keeps electric conduction relation with two slant fastener 1. The oblique wire clamp 1 comprises a wire clamp body 11, a wire clamp cover plate 12 and a wire clamp drainage tube 13; the wire clamp body 11 includes a body clamp plate 111 and a body connecting section 112 arranged in an inclined direction relative to a longitudinal center line of the body clamp plate 111, and the body clamp plate 111 and the body connecting section 112 form a whole by casting. The casting process forms a whole, which can enhance the structural strength and is convenient for production and manufacture; the free end of the body connecting section 112 is fixedly connected with one end of the wire clamp drainage tube 13 in a welding connection mode, the other end of the wire clamp drainage tube 13 is fixedly connected with the drainage wire 2, and a filling part positioned at the joint of the body connecting section and the wire clamp drainage tube in the figure represents a welding spot. The wire clamp drainage tube 13 is fixedly connected with the drainage wire 2 in a compression joint mode. The operation is convenient, only a pressure connecting tool is needed, and the temporary field manufacturing is convenient. After the wire clamp body 11 and the wire clamp cover plate 12 are spliced by the connecting piece 14, two grooves 15 formed in the wire clamp body 11 and the wire clamp cover plate 12 form an accommodating space for accommodating the overhead transmission conductor 3.
The attachment member 14 is a bolt and nut assembly. And a conventional connecting piece is selected, so that the operation of a constructor is facilitated.
The wire clamp body 11 of the embodiment is provided with N groups of body bolt through hole groups 113, and each group of body bolt through hole groups 113 is provided with two body bolt through holes 114; the wire clamp cover plate 12 is N independent sub-wire clamp cover plates 121, each sub-wire clamp cover plate 121 is provided with two cover plate bolt through holes 122 corresponding to the body bolt through holes 114, and the N independent sub-wire clamp cover plates 121 are correspondingly spliced with the N groups of body bolt through hole groups 113 of the wire clamp body 11 one by one. The cable clamp cover plate is a plurality of independent sub-cable clamp cover plates, the sub-cable clamp cover plates are aluminum alloy metal plates, and the independent design is favorable for compacting the transmission conductors by the cover plates.
The construction process of this embodiment is further described by taking N ═ 3 as an example:
the compression joint of the drainage lead and the oblique wire clamp can be performed in advance and can also be installed on site. When a certain transmission line needs to be repaired, a constructor wears the insulating clothing, and as shown in the attached drawing, two oblique wire clamps of the flexible standby wire clamp are respectively and electrically fixed on two overhead transmission lines. Specifically, an overhead transmission conductor is embedded into a groove of a wire clamp body, a body bolt through hole group facing the wire clamp body and positioned in the middle position is covered with a sub-wire clamp cover plate, and a bolt nut assembly is fastened in a corresponding bolt through hole; subsequently, covering a second sub-clamp cover plate against the body bolt through hole group positioned at the left side (right side), and fastening bolt and nut components in corresponding bolt through holes; finally, the third sub-clamp cover plate is covered against the body bolt through hole group located at the right side (left side), and the bolt and nut assemblies are fastened in the corresponding bolt through holes. The two oblique wire clamps operate in the same manner. After the oblique wire clamps at the two ends are installed, the standby power transmission line is connected.
The embodiment has wide application range, and the length of the drainage lead can be changed to adapt to the power transmission lines in different scenes; the on-site manufacture can be realized, and the on-site crimping is carried out by selecting a proper drainage wire on site, so that the universal type is strong; the operation of the embodiment is easy, the installation is convenient and quick, and the high-altitude operation difficulty of constructors is greatly reduced; this embodiment structural design is very simple, and used accessory is few, low in manufacturing cost, and the practicality is very strong, wins the valuable time of salvageing for transmission line, has the significance in the electric power system trade.
In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a flexible reserve fastener for overhead transmission line which characterized in that: the wire clamp comprises two oblique wire clamps with the same structure and a drainage wire fixed between the two oblique wire clamps, wherein the drainage wire and the two oblique wire clamps keep an electrical conduction relationship;
the oblique wire clamp comprises a wire clamp body, a wire clamp cover plate and a wire clamp drainage tube; the wire clamp comprises a wire clamp body and a wire clamp drainage tube, wherein the wire clamp body comprises a body clamping plate and a body connecting section which is arranged in an inclined direction relative to the longitudinal central line of the body clamping plate;
after the wire clamp body and the wire clamp cover plate are spliced by the connecting piece, two grooves formed in the wire clamp body and the wire clamp cover plate form an accommodating space for accommodating an overhead transmission conductor.
2. The flexible spare clamp for the overhead transmission line of claim 1, wherein: the body clamping plate and the body connecting section are integrated by adopting a casting process.
3. The flexible spare clamp for the overhead transmission line of claim 1, wherein: the body connecting section is fixedly connected with a wire clamp drainage tube in a welded connecting mode.
4. The flexible spare clamp for the overhead transmission line of claim 1, wherein: the wire clamp drainage tube is fixedly connected with the drainage wire in a compression joint mode.
5. A flexible back-up clamp for overhead transmission lines according to claim 1 or 4, characterized in that: the drainage wire is a steel strand.
6. The flexible spare clamp for the overhead transmission line of claim 1, wherein: the connecting piece is a bolt and nut assembly piece.
7. The flexible spare clamp for the overhead transmission line of claim 1 or 6, wherein: the wire clamp body is provided with N groups of body bolt through hole groups, and each group of body bolt through hole group is provided with two body bolt through holes; the wire clamp cover plate is N independent sub-wire clamp cover plates, each sub-wire clamp cover plate is provided with two cover plate bolt through holes corresponding to the body bolt through holes, and the N independent sub-wire clamp cover plates are correspondingly spliced with the N groups of body bolt through holes of the wire clamp body one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121581842.2U CN215185758U (en) | 2021-07-12 | 2021-07-12 | Flexible spare wire clamp for overhead transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121581842.2U CN215185758U (en) | 2021-07-12 | 2021-07-12 | Flexible spare wire clamp for overhead transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215185758U true CN215185758U (en) | 2021-12-14 |
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ID=79393947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121581842.2U Active CN215185758U (en) | 2021-07-12 | 2021-07-12 | Flexible spare wire clamp for overhead transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215185758U (en) |
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2021
- 2021-07-12 CN CN202121581842.2U patent/CN215185758U/en active Active
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