CN214220804U - Four-loop suspension tower with three ground wires meeting lightning protection requirements - Google Patents
Four-loop suspension tower with three ground wires meeting lightning protection requirements Download PDFInfo
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- CN214220804U CN214220804U CN202022648273.0U CN202022648273U CN214220804U CN 214220804 U CN214220804 U CN 214220804U CN 202022648273 U CN202022648273 U CN 202022648273U CN 214220804 U CN214220804 U CN 214220804U
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Abstract
The utility model discloses a satisfy four return circuits of arranging three ground wires tower that dangles that lightning protection required, the four ground wire arrangement modes that have solved current multiloop iron tower exist erect the ground wire difficulty, the extravagant steel of ground wire support that adds consumes the problem that the wire rod is many with the ground wire. The tower body of the iron tower is characterized in that a left upper cross arm (2) and a right upper cross arm (3) are respectively arranged at the top end of the tower body (1) of the iron tower, a left ground wire (5) is hung on a left ground wire support (4), a right ground wire (7) is hung on a right ground wire support (6), an X-shaped tower head cross inclined material (8) is arranged on the front side surface of the top end of the tower body (1) of the iron tower, an inverted V-shaped tower head inclined material (9) is arranged above the X-shaped tower head cross inclined material (8), a tower head front partition surface cross material (12) is arranged above the inverted V-shaped tower head inclined material (9), and a middle ground wire (11) is arranged between the X-shaped tower head cross inclined material (8) and the inverted V-shaped tower head inclined material (9). Effectively saving the engineering investment.
Description
Technical Field
The utility model relates to a multiloop steel pylons especially relates to a can satisfy lightning protection requirement and only arrange the four-loop tower that dangles of three ground wires on the top of the iron tower.
Background
With the development of cities, many power transmission lines need to pass through extremely crowded zones of line corridors, and power transmission iron towers are also designed into multi-loop iron towers so as to adapt to the crowded conditions of the power transmission corridors; these multi-loop towers include both catenary towers (tangent towers) and tension towers (angle towers); the multi-loop iron tower has the advantages that the lead arrangement forms of the multi-loop iron tower are vertical arrangement, triangular arrangement and horizontal arrangement, when the leads are arranged in a triangular manner and in a horizontal manner, the cross arm is longer, the lead spacing is larger, and for the iron tower with the longer cross arm, the double ground wires arranged on the ground wire supports cannot meet the lightning protection requirements of the multi-loop iron tower; the method for arranging the four ground wires has the defects that two ground wire supports are required to be additionally arranged at the top end of the tower body, the structural arrangement is difficult, more steel is consumed, and the arrangement mode of the four ground wires not only increases the load, increases the stress of the iron tower and the tower weight, but also increases the use amount of the ground wires and increases the investment of a power transmission line.
Disclosure of Invention
The utility model provides a satisfy four return circuits of arranging three ground wires tower that dangles that lightning protection required, two ground wire support of addding that four ground wire arrangement methods of having solved current four return circuits iron tower exist lay the difficulty, have increased the ground wire load, lead to iron tower atress grow and ground wire to use the many technical problem of wire rod.
The utility model discloses a solve above technical problem through following technical scheme:
the overhang tower comprises an iron tower body, wherein a left upper cross arm and a right upper cross arm are respectively arranged at the top end of the iron tower body, a left ground wire support is arranged at the left end of the left upper cross arm, a left ground wire is hung on the left ground wire support, a right ground wire support is arranged at the right end of the right upper cross arm, a right ground wire is hung on the right ground wire support, an X-shaped tower head cross inclined material is arranged on the front side surface of the top end of the iron tower body, an inverted V-shaped tower head inclined material is arranged above the X-shaped tower head cross inclined material, a tower head front partition surface cross material is arranged above the inverted V-shaped tower head inclined material, a tower top rhombic channel is arranged between the X-shaped tower head cross inclined material and the inverted V-shaped tower head inclined material, and a middle-phase ground wire is arranged in the tower top rhombic channel.
A tower head rear partition surface transverse material is arranged on the top end rear side surface of the tower body of the iron tower, a middle phase ground wire hanging left angle steel and a middle phase ground wire hanging right angle steel are respectively arranged between the tower head front partition surface transverse material and the tower head rear partition surface transverse material in parallel, a middle phase ground wire hook is arranged between the middle phase ground wire hanging left angle steel and the middle phase ground wire hanging right angle steel, and a middle phase ground wire hook is hung on the middle phase ground wire hook.
The left upper cross arm is respectively provided with a left first loop upper hanging point and a left second loop upper hanging point, and the right upper cross arm is respectively provided with a right first loop upper hanging point and a right second loop upper hanging point.
The utility model discloses reform transform the body of the tower top, compared with traditional multiloop iron tower, saved a looks ground wire and two ground wire supports, effectively practiced thrift the engineering investment, had better economic benefits and social.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a partially enlarged view at a in fig. 1;
fig. 3 is a schematic structural diagram of the top end of the iron tower body 1 of the present invention in the top view direction.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
a four-loop overhang tower with three ground wires meeting lightning protection requirements comprises an iron tower body 1, wherein the top end of the iron tower body 1 is respectively provided with a left upper cross arm 2 and a right upper cross arm 3, the left end of the left upper cross arm 2 is provided with a left ground wire bracket 4, a left ground wire 5 is hung on the left ground wire bracket 4, the right end of the right upper cross arm 3 is provided with a right ground wire bracket 6, and a right ground wire 7 is hung on the right ground wire bracket 6; an X-shaped tower head cross inclined material 8 is arranged on the front side surface of the top end of the iron tower body 1, an inverted V-shaped tower head inclined material 9 is arranged above the X-shaped tower head cross inclined material 8, a tower head front partition surface transverse material 12 is arranged above the inverted V-shaped tower head inclined material 9, and a tower top rhombic channel 10 is arranged between the X-shaped tower head cross inclined material 8 and the inverted V-shaped tower head inclined material 9; an X-shaped tower head cross inclined material is also arranged on the rear side surface of the top end of the iron tower body 1, an inverted V-shaped tower head inclined material is also arranged above the X-shaped tower head cross inclined material, a tower head rear partition surface transverse material 13 is arranged above the inverted V-shaped tower head inclined material, and a tower top rhombic channel is also arranged between the X-shaped tower head cross inclined material and the inverted V-shaped tower head inclined material; the middle phase ground wire 11 is arranged in the tower top diamond-shaped channel in a penetrating mode.
A tower head rear partition surface transverse material 13 is arranged on the top end rear side surface of the tower body 1 of the iron tower, a middle phase ground wire hanging left angle steel 14 and a middle phase ground wire hanging right angle steel 15 are respectively arranged between the tower head front partition surface transverse material 12 and the tower head rear partition surface transverse material 13 in parallel, a middle phase ground wire hook 16 is arranged between the middle phase ground wire hanging left angle steel 14 and the middle phase ground wire hanging right angle steel 15, and a middle phase ground wire 11 is hung on the middle phase ground wire hook 16.
A left upper cross arm 2 is respectively provided with a left first loop upper hanging point 17 and a left second loop upper hanging point 18, a left middle cross arm is respectively provided with a left first loop middle hanging point and a left second loop middle hanging point, a left lower cross arm is respectively provided with a left first loop lower hanging point and a left second loop lower hanging point, a left first loop wire is arranged on the left first loop upper hanging point 17, the left first loop middle hanging point and the left first loop lower hanging point, and a left second loop wire is arranged on the left second loop upper hanging point, the left second loop middle hanging point and the left second loop lower hanging point; a right upper cross arm 3 is respectively provided with a right first loop upper hanging point 19 and a right second loop upper hanging point 20, a right middle cross arm is respectively provided with a right first loop middle hanging point and a right second loop middle hanging point, a right first loop lower hanging point and a right second loop lower hanging point are respectively arranged on a right lower cross arm, a right first loop is arranged on the right first loop upper hanging point 19, the right first loop middle hanging point and the right first loop lower hanging point, and a right second loop conducting wire is arranged on the right second loop upper hanging point 20, the right second loop middle hanging point and the right second loop lower hanging point; the middle phase ground wire 11 realizes lightning protection of the left side second loop and the right side second loop.
Claims (3)
1. A four-loop overhanging tower with three ground wires meeting the lightning protection requirement comprises an iron tower body (1), wherein the top end of the iron tower body (1) is respectively provided with a left upper cross arm (2) and a right upper cross arm (3), the left end of the left upper cross arm (2) is provided with a left ground wire bracket (4), a left ground wire (5) is hung on the left ground wire bracket (4), the right end of the right upper cross arm (3) is provided with a right ground wire bracket (6), a right ground wire (7) is hung on the right ground wire bracket (6), the four-loop overhanging tower is characterized in that an X-shaped tower head cross diagonal material (8) is arranged on the front side surface of the top end of the iron tower body (1), an inverted V-shaped tower head diagonal material (9) is arranged above the X-shaped tower head cross diagonal material (8), a tower head front partition surface cross material (12) is arranged above the inverted V-shaped tower head diagonal material (9), a tower top rhombic channel (10) is arranged between the X-shaped tower head crossed oblique material (8) and the inverted V-shaped tower head oblique material (9), and a middle phase ground wire (11) is arranged in the tower top rhombic channel (10).
2. The four-circuit overhanging tower with three ground wires meeting the lightning protection requirement of claim 1 is characterized in that a tower head rear partition surface transverse material (13) is arranged on the rear side surface of the top end of a tower body (1) of an iron tower, a middle phase ground wire hanging left angle steel (14) and a middle phase ground wire hanging right angle steel (15) are respectively arranged between a tower head front partition surface transverse material (12) and the tower head rear partition surface transverse material (13) in parallel to each other, a middle phase ground wire hanging hook (16) is arranged between the middle phase ground wire hanging left angle steel (14) and the middle phase ground wire hanging right angle steel (15), and a middle phase ground wire (11) is hung on the middle phase ground wire hanging hook (16).
3. A lightning protection requirement satisfied four-loop tower crane with three ground wires, according to claim 2, characterized in that a left first loop hanging point (17) and a left second loop hanging point (18) are respectively arranged on the left upper cross arm (2), and a right first loop hanging point (20) and a right second loop hanging point (19) are respectively arranged on the right upper cross arm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022648273.0U CN214220804U (en) | 2020-11-16 | 2020-11-16 | Four-loop suspension tower with three ground wires meeting lightning protection requirements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022648273.0U CN214220804U (en) | 2020-11-16 | 2020-11-16 | Four-loop suspension tower with three ground wires meeting lightning protection requirements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214220804U true CN214220804U (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022648273.0U Active CN214220804U (en) | 2020-11-16 | 2020-11-16 | Four-loop suspension tower with three ground wires meeting lightning protection requirements |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214220804U (en) |
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2020
- 2020-11-16 CN CN202022648273.0U patent/CN214220804U/en active Active
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