CN218102520U - Ground connection downlead fixing device and iron tower - Google Patents

Ground connection downlead fixing device and iron tower Download PDF

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Publication number
CN218102520U
CN218102520U CN202221415550.6U CN202221415550U CN218102520U CN 218102520 U CN218102520 U CN 218102520U CN 202221415550 U CN202221415550 U CN 202221415550U CN 218102520 U CN218102520 U CN 218102520U
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China
Prior art keywords
sleeve
nut
downlead
ground connection
iron tower
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CN202221415550.6U
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Chinese (zh)
Inventor
王怀超
马学良
李志鹏
张晓颖
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Beijing Jindian United Power Supply Consulting Co ltd
Economic and Technological Research Institute of State Grid Beijing Electric Power Co Ltd
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Beijing Jindian United Power Supply Consulting Co ltd
Economic and Technological Research Institute of State Grid Beijing Electric Power Co Ltd
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Application filed by Beijing Jindian United Power Supply Consulting Co ltd, Economic and Technological Research Institute of State Grid Beijing Electric Power Co Ltd filed Critical Beijing Jindian United Power Supply Consulting Co ltd
Priority to CN202221415550.6U priority Critical patent/CN218102520U/en
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Abstract

The utility model provides a ground connection downlead fixing device and iron tower, ground connection downlead fixing device includes: the embedded structure is used for being embedded in the cement structure and comprises a base, a sleeve and a first nut, the base is fixedly connected with one end of the sleeve and blocks an opening at one end of the sleeve, the radial size of the sleeve is smaller than that of the base, the outer peripheral surface of the sleeve is provided with a limiting surface, the limiting surface is in limiting fit with the cement structure in the circumferential direction of the sleeve, and the first nut is fixed in a cavity of the sleeve; one end of the screw rod is connected with the first nut, and the other end of the screw rod extends out of the sleeve; the fixing piece is provided with a connecting hole and a limiting hole, the other end of the screw rod penetrates through the connecting hole, and the limiting hole is used for limiting a grounding down lead in the iron tower; and the second nut is connected with the other end of the screw rod, and the second nut and the sleeve clamp the fixing piece. Through the technical scheme provided by the utility model, can solve the poor problem of fixed effect of ground connection downlead among the prior art.

Description

Ground connection downlead fixing device and iron tower
Technical Field
The utility model relates to a power equipment technical field particularly, relates to a ground connection downlead fixing device and iron tower.
Background
High voltage overhead transmission lines are often located in natural environments and are often threatened by lightning, and ground wires are needed to protect the overhead lines. When the thunder strikes the ground wire, lightning current can be generated, and the lightning current needs to be conducted to the ground in time at the moment so as to avoid damage to the overhead line. In the prior art, the upper end of the ground down conductor is generally connected with a tower foot of an iron tower, and after the ground down conductor is laid underground, in order to increase the conduction effect, the ground down conductor is arranged in a square mode surrounding the iron tower, a radiating needle is arranged at the same time, and an iron wire is used for fixing the ground down conductor by surrounding a basic main column for one circle. The fixing mode only uses the iron wire to wind around the foundation for a circle, and no fastening and fixing measures are adopted, so that the iron wire can slowly move downwards due to gravity after a long time, the fixing effect on the grounding down lead is lost, the iron wire is easy to rust, the grounding down lead can be rusted, and the grounding down lead can be damaged due to the rust.
SUMMERY OF THE UTILITY MODEL
The utility model provides a ground connection downlead fixing device and iron tower to the poor problem of fixed effect of ground connection downlead of iron tower among the solution prior art.
In order to solve the above problem, according to the utility model discloses an aspect, the utility model provides a ground connection downlead fixing device, include: the embedded structure is used for being embedded in the cement structure and comprises a base, a sleeve and a first nut, the base is fixedly connected with one end of the sleeve and blocks an opening at one end of the sleeve, the radial size of the sleeve is smaller than that of the base, the outer peripheral surface of the sleeve is provided with a limiting surface, the limiting surface is in limiting fit with the cement structure in the circumferential direction of the sleeve, and the first nut is fixed in a cavity of the sleeve; one end of the screw rod is connected with the first nut, and the other end of the screw rod extends out of the sleeve; the fixing piece is provided with a connecting hole and a limiting hole, the other end of the screw rod penetrates through the connecting hole, and the limiting hole is used for limiting a grounding down lead in the iron tower; and the second nut is connected with the other end of the screw rod, and the second nut and the sleeve clamp the fixing piece.
Further, the sleeve is a hexagon barrel, and the first nut and the second nut are both hexagon nuts.
Further, the sleeve is of an integral structure, or the sleeve is formed by welding six flat plates.
Furthermore, the base is a circular plate, the base is welded with one end of the sleeve, and the first nut is welded with the inner wall of the sleeve.
Furthermore, the grounding downlead fixing device further comprises a supporting plate, the supporting plate is welded with the inner wall of the sleeve, the screw penetrates through the supporting plate, and the first nut and the fixing piece are located on two sides of the supporting plate respectively.
Further, the grounding down lead fixing device further comprises a magnet, and the magnet can be placed in the sleeve in a removable mode before the screw rod is connected with the first nut, so that the opening of one end, far away from the base, of the sleeve is sealed.
Further, the fixing piece comprises a first flat plate, a second flat plate and an arc-shaped plate, the first flat plate is attached to the second flat plate, the connecting hole penetrates through the first flat plate and the second flat plate, one end of the arc-shaped plate is connected with the second flat plate, and a limiting hole is formed in the area between the arc-shaped plate and the first flat plate.
Further, the first nut and the second nut are both anti-theft nuts.
Further, pre-buried structure, screw rod, mounting and second nut are stainless steel, and the screw rod is located the outer one end of cover and has the recess, and the recess is used for cooperating with the operation instrument.
According to the utility model discloses an on the other hand provides an iron tower, and the iron tower includes iron tower main part, iron tower basis, ground connection downlead and foretell ground connection downlead fixing device, and ground connection downlead fixing device's embedded structure is pre-buried in iron tower basis, and the upper end and the iron tower main part of ground connection downlead are connected, and ground connection downlead passes ground connection downlead fixing device's spacing hole, and the lower extreme of ground connection downlead stretches into in the ground.
Use the technical scheme of the utility model, a ground connection downlead fixing device is provided, include: the embedded structure is used for being embedded in the cement structure and comprises a base, a sleeve and a first nut, the base is fixedly connected with one end of the sleeve and blocks an opening at one end of the sleeve, the radial size of the sleeve is smaller than that of the base, the outer peripheral surface of the sleeve is provided with a limiting surface, the limiting surface is in limiting fit with the cement structure in the circumferential direction of the sleeve, and the first nut is fixed in a cavity of the sleeve; one end of the screw rod is connected with the first nut, and the other end of the screw rod extends out of the sleeve; the fixing piece is provided with a connecting hole and a limiting hole, the other end of the screw penetrates through the connecting hole, and the limiting hole is used for limiting a grounding down lead in the iron tower; and the second nut is connected with the other end of the screw rod, and the second nut and the sleeve clamp the fixing piece. By adopting the scheme, when the grounding downlead fixing structure is used, the embedded structure is firstly embedded in the cement structure, the first nut is fixed in the cavity of the sleeve, the other end of the screw rod penetrates through the connecting hole, one end of the screw rod is connected with the first nut, the other end of the screw rod is connected with the second nut, so that the fixing piece can be clamped, then the grounding downlead penetrates through the limiting hole, and the limiting hole can limit the grounding downlead, so that the problem of poor fixing effect of the grounding downlead in the prior art is effectively solved; and the scheme has the advantages of simple structure, small size, low cost and easy batch production.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural diagram of a ground down lead fixing device according to an embodiment of the present invention;
figure 2 shows an exploded view of the down conductor fixture of figure 1;
fig. 3 shows a schematic diagram of a partial structure of an iron tower provided by the second embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. pre-embedding a structure; 11. a base; 12. a sleeve; 121. a limiting surface; 13. a first nut;
20. a screw; 21. a groove;
30. a fixing member; 31. connecting holes; 32. a limiting hole; 33. a first plate; 34. a second plate; 35. an arc-shaped plate;
40. a second nut;
50. a support plate;
60. an iron tower main body;
70. an iron tower foundation;
80. and a down conductor connected to ground.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a first embodiment of the present invention provides a ground down lead fixing device, including: the embedded structure 10 is used for being embedded in a cement structure, the embedded structure 10 comprises a base 11, a sleeve 12 and a first nut 13, one end of the base 11 and one end of the sleeve 12 are fixedly connected with each other and block an opening at one end of the sleeve 12, the radial size of the sleeve 12 is smaller than that of the base 11, the outer peripheral surface of the sleeve 12 is provided with a limiting surface 121, the limiting surface 121 and the cement structure are in limiting fit in the circumferential direction of the sleeve 12, and the first nut 13 is fixed in a cavity of the sleeve 12; one end of the screw rod 20 is connected with the first nut 13, and the other end of the screw rod 20 extends out of the sleeve 12; the fixing part 30 is provided with a connecting hole 31 and a limiting hole 32, the other end of the screw rod 20 penetrates through the connecting hole 31, and the limiting hole 32 is used for limiting a grounding down lead 80 in the iron tower; the second nut 40, the second nut 40 and the other end of the screw 20 are connected, and the second nut 40 and the sleeve 12 clamp the fixing member 30.
By adopting the scheme, when the embedded structure 10 is used, firstly, the embedded structure 10 is embedded in a cement structure, the first nut 13 is fixed in the cavity of the sleeve 12, the other end of the screw rod 20 penetrates through the connecting hole 31, one end of the screw rod 20 is connected with the first nut 13, and the other end of the screw rod 20 is connected with the second nut 40, so that the fixing piece 30 can be clamped, then, the grounding downlead penetrates through the limiting hole 32, and the limiting hole 32 can limit the grounding downlead 80, so that the problem of poor fixing effect of the grounding downlead 80 in the prior art is effectively solved; and the scheme has the advantages of simple structure, small size, low cost and easy batch production.
Wherein, the sleeve 12 is a hexagonal cylinder, and the first nut 13 and the second nut 40 are both hexagonal nuts. The sleeve 12 is arranged into a hexagonal cylinder, so that the connecting strength of the cavity sleeve 12 and a cement structure can be enhanced, and the sleeve 12 is prevented from rotating when the screw rod 20 is connected with the first nut 13; the first nut 13 and the second nut 40 are both set to be hexagonal nuts, so that the fastening force is large, and the installation is convenient.
Further, the sleeve 12 is of unitary construction. The sleeve 12 is arranged into an integral structure, so that the processing is convenient and the cost is reduced.
Alternatively, the sleeve 12 is formed by welding six flat plates. This arrangement can enhance the structural strength of the entire sleeve 12.
Specifically, the base 11 is a circular plate, one end of the base 11 and the sleeve 12 are welded, and the first nut 13 and the inner wall of the sleeve 12 are welded. One end of the base 11 and one end of the sleeve 12 are welded, so that the base is embedded in a cement structure, concrete can be prevented from entering the sleeve 12, and the use of the embedded structure 10 is influenced; the first nut 13 and the inner wall of the sleeve 12 are welded in a welding connection mode, so that the welding connection structure is more stable and reliable.
In this embodiment, the down conductor fixing device further includes a support plate 50, the support plate 50 is welded to the inner wall of the sleeve 12, the screw 20 penetrates through the support plate 50, and the first nut 13 and the fixing member 30 are respectively located at both sides of the support plate 50. The screw 20 penetrates through the supporting plate 50, and the supporting plate 50 is welded with the inner wall of the sleeve 12, so that the screw 20 can be limited left and right, and the screw 20 is prevented from shaking.
Specifically, the down conductor fixing device further comprises a magnet, which is removably placed in the sleeve 12 before the screw 20 and the first nut 13 are connected, so as to close the opening of the end of the sleeve 12 away from the base 11. By removably placing the magnets in the sleeve 12, the magnets can be protected from the opening of the sleeve 12 during the concrete placement process, thereby preventing the concrete from entering the sleeve 12, and thus affecting the use of the embedded structure 10.
Specifically, the fixing member 30 includes a first flat plate 33, a second flat plate 34, and an arc plate 35, the first flat plate 33 and the second flat plate 34 are attached, the connection hole 31 passes through the first flat plate 33 and the second flat plate 34, one end of the arc plate 35 is connected with the second flat plate 34, and a region between the arc plate 35 and the first flat plate 33 forms the limiting hole 32. So set up, can form spacing hole 32 in the region between arc 35 and first flat plate 33 to the ground connection downlead 80 penetrates, thereby plays limiting displacement to ground connection downlead 80, has solved the poor problem of the fixed effect of the ground connection downlead among the prior art.
In the present embodiment, the first nut 13 and the second nut 40 are both antitheft nuts. The first nut 13 and the second nut 40 are both anti-theft nuts, so that the screw 20 is only allowed to be screwed in one direction and cannot be screwed out in the opposite direction, and the purpose of fixing the screw 20 is achieved.
Specifically, the embedded structure 10, the screw rod 20, the fixing member 30 and the second nut 40 are all made of stainless steel, one end of the screw rod 20 located outside the sleeve 12 is provided with a groove 21, and the groove 21 is used for being matched with an operation tool. The embedded structure 10, the screw 20, the fixing piece 30 and the second nut 40 are all made of stainless steel, and the stainless steel is adopted, so that the embedded structure is corrosion-resistant and high in strength; a recess 21 is provided to facilitate cooperation with an operating tool.
As shown in fig. 3, the second embodiment of the present invention provides an iron tower, the iron tower includes an iron tower main body 60, an iron tower foundation 70, a ground down lead 80 and the above ground down lead fixing device, the pre-embedded structure 10 of the ground down lead fixing device is pre-embedded in the iron tower foundation 70, the upper end of the ground down lead 80 is connected with the iron tower main body 60, the ground down lead 80 passes through the spacing hole 32 of the ground down lead fixing device, and the lower end of the ground down lead 80 extends into the ground. Through the arrangement, the grounding downlead 80 passes through the limiting hole 32 of the grounding downlead fixing device, so that the limitation of the grounding downlead 80 is realized, and the problem of poor fixing effect of the grounding downlead in the prior art is solved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An electrically down-conducting wire fixing device, comprising:
the embedded structure (10) is used for being embedded in a cement structure in advance, the embedded structure (10) comprises a base (11), a sleeve (12) and a first nut (13), the base (11) and one end of the sleeve (12) are fixedly connected and block an opening in one end of the sleeve (12), the radial size of the sleeve (12) is smaller than that of the base (11), a limiting surface (121) is arranged on the outer peripheral surface of the sleeve (12), the limiting surface (121) is in limiting fit with the cement structure in the circumferential direction of the sleeve (12), and the first nut (13) is fixed in a cavity of the sleeve (12);
one end of the screw rod (20) is connected with the first nut (13), and the other end of the screw rod (20) extends out of the sleeve (12);
the fixing piece (30) is provided with a connecting hole (31) and a limiting hole (32), the other end of the screw rod (20) penetrates through the connecting hole (31), and the limiting hole (32) is used for limiting a grounding down conductor (80) in the iron tower;
a second nut (40), the second nut (40) being connected to the other end of the screw (20), the second nut (40) and the sleeve (12) clamping the fixing member (30).
2. A device according to claim 1, characterized in that the sleeve (12) is a hexagonal cylinder and the first nut (13) and the second nut (40) are both hexagonal nuts.
3. The downlead fixation device according to claim 2, characterized in that the sleeve (12) is of unitary construction or the sleeve (12) is welded from six flat plates.
4. The downlead fixation device according to claim 1, characterized in that the base (11) is a circular plate, the base (11) is welded to one end of the sleeve (12), and the first nut (13) is welded to the inner wall of the sleeve (12).
5. The downlead fixation device according to claim 1, further comprising a support plate (50), the support plate (50) being welded to the inner wall of the sleeve (12), the screw (20) passing through the support plate (50), the first nut (13) and the fixing member (30) being located on either side of the support plate (50).
6. An electrically down-conductor fixing device according to claim 1, further comprising a magnet removably placed in the sleeve (12) to close off an opening at an end of the sleeve (12) remote from the base (11) before the screw (20) and the first nut (13) are connected.
7. The downlead fixation device according to claim 1, wherein the fixing member (30) comprises a first flat plate (33), a second flat plate (34) and an arc plate (35), the first flat plate (33) and the second flat plate (34) are attached, the connection hole (31) passes through the first flat plate (33) and the second flat plate (34), one end of the arc plate (35) is connected with the second flat plate (34), and the area between the arc plate (35) and the first flat plate (33) forms the limiting hole (32).
8. A down conductor fixing device according to claim 1, characterized in that the first nut (13) and the second nut (40) are anti-theft nuts.
9. The downlead fixing device according to claim 1, wherein the embedded structure (10), the screw (20), the fixing member (30) and the second nut (40) are all made of stainless steel, one end of the screw (20) located outside the sleeve (12) is provided with a groove (21), and the groove (21) is used for being matched with an operating tool.
10. The utility model provides an iron tower, characterized in that, the iron tower include iron tower main part (60), iron tower basis (70), ground connection downlead (80) and any one of claims 1 to 9 ground connection downlead fixing device, pre-buried structure (10) of ground connection downlead fixing device are pre-buried in iron tower basis (70), the upper end of ground connection downlead (80) with iron tower main part (60) are connected, ground connection downlead (80) pass ground connection downlead fixing device's spacing hole (32), the lower extreme of ground connection downlead (80) stretches into in the ground.
CN202221415550.6U 2022-06-08 2022-06-08 Ground connection downlead fixing device and iron tower Active CN218102520U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221415550.6U CN218102520U (en) 2022-06-08 2022-06-08 Ground connection downlead fixing device and iron tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221415550.6U CN218102520U (en) 2022-06-08 2022-06-08 Ground connection downlead fixing device and iron tower

Publications (1)

Publication Number Publication Date
CN218102520U true CN218102520U (en) 2022-12-20

Family

ID=84462369

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221415550.6U Active CN218102520U (en) 2022-06-08 2022-06-08 Ground connection downlead fixing device and iron tower

Country Status (1)

Country Link
CN (1) CN218102520U (en)

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