CN214697175U - Split type high tension transmission line iron tower that uses of crossing that bores - Google Patents
Split type high tension transmission line iron tower that uses of crossing that bores Download PDFInfo
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- CN214697175U CN214697175U CN202022947468.5U CN202022947468U CN214697175U CN 214697175 U CN214697175 U CN 214697175U CN 202022947468 U CN202022947468 U CN 202022947468U CN 214697175 U CN214697175 U CN 214697175U
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Abstract
The utility model discloses a split type high-voltage transmission line iron tower for drilling and overtaking, which comprises a middle phase sub-tower and two side phase sub-towers, wherein the middle phase sub-tower comprises a tower body, a ground wire bracket is outwards arranged at the top end of the tower body, a wire hanging point is arranged below the ground wire bracket and positioned in the middle of the tower body, and the wire hanging point is connected with a wire through a hardware fitting; the two side sub-towers are respectively positioned at two sides of the middle sub-tower, each side sub-tower comprises a tower body, a ground wire support is outwards arranged at the top end of each tower body, a ground wire hanging point is arranged on each ground wire support and connected with a ground wire through a hardware fitting, a wire hanging point is arranged below each ground wire support and positioned in the middle of each tower body, and each wire hanging point is connected with a wire through the hardware fitting. The utility model discloses cancel lower floor's cross arm on original dry style of calligraphy strain insulator tower basis, effectively reduce the tower head height, can satisfy and bore the requirement of line conductor pair ground minimum distance more when satisfying the ground line to the wire minimum distance of hanging down under having built the circuit to effectively solve and bore a little line more and to ground distance not enough problem.
Description
Technical Field
The utility model relates to a split type bores and uses high tension transmission line iron tower more belongs to overhead transmission line engineering field.
Background
With the development of national economy, the demand of human life and various infrastructure constructions on electric power is increasing, and an overhead transmission line is still the main current mode of high-voltage transmission at present. With the increasing number of overhead lines, the intersection between lines is more and more frequent, according to the mandatory requirement of the regulations in the design Specification for overhead Transmission lines of 110kV-750kV (GB 50545-2010), a line with a higher voltage class needs to be built above a line with a lower voltage class, a public line of a power grid with the same voltage class is built above a special line, and then the situation that the newly built line crosses the existing line in the construction process of the transmission line is all the better. However, due to the existence of factors such as urban planning limitation, terrain factor limitation, limitation of the height of a drilled line, the requirement of the drilled line on the minimum vertical distance between the drilled line and the built line, limitation of the distance between a newly-built line conductor and the ground and the like, selection of the position of the drilled line point is more difficult, and the distance between the newly-built line conductor and the ground and the minimum vertical distance between the newly-built line conductor and the built line conductor are difficult to meet the requirements of the standard regulations.
SUMMERY OF THE UTILITY MODEL
Based on the above, the utility model aims at providing a split type is bored and is used high tension transmission line iron tower more to solve newly-built circuit and bore that to build the circuit and bore more and more the point selection and get the difficulty, to ground distance, line interval scheduling problem inadequately.
This use novel technical scheme who adopts of pole setting is, a split type bores and uses high tension transmission line iron tower more, including boring tower more, it includes to bore tower more:
the middle-phase sub-tower comprises a tower body, a ground wire support is outwards arranged at the top end of the tower body, a jumper wire hanging point is arranged on the ground wire support, and a wire hanging point is arranged below the ground wire support and in the middle of the tower body;
the two side sub-towers are respectively positioned on two sides of the middle sub-tower and comprise tower bodies, ground wire supports are outwards arranged at the top ends of the tower bodies, ground wire hanging points are arranged on the ground wire supports, jumper wire hanging points are arranged on one sides of the ground wire hanging points, and wire hanging points are arranged below the ground wire supports and in the middle of the tower bodies.
Furthermore, the wire hanging point on the middle phase sub-tower is connected with a wire through a hardware fitting.
Furthermore, the wire hanging point on the side phase sub-tower is connected with a wire through a hardware fitting, and the ground wire hanging point on the ground wire support is connected with a ground wire through a hardware fitting.
Furthermore, the ground wire supports on the middle phase sub-tower and the side phase sub-tower are positioned on the same side of the tower body.
Furthermore, the jumper wire hanging point is connected with the jumper wire connecting lead in a hanging mode through a hardware fitting.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1) the utility model provides a feasible split type strain insulator bores iron tower more to boring when having established circuit ground distance and circuit minimum distance of hanging down is limited more, cancel lower floor's cross arm on original do style of calligraphy strain insulator tower basis, effectively reduce the tower head height, can satisfy ground to the minimum distance of hanging down of wire under the established circuit while, satisfy and bore the requirement of crossing circuit wire to ground minimum distance to effectively solve and bore the problem of a little circuit to ground distance not enough more;
2) the tower top ends of the middle phase sub-tower and the side phase sub-tower are provided with ground wire supports which are used for setting jumper wire hanging points to connect jumper wires, the transfer of current is ensured by connecting wires through the jumper wires, and the distance between the wires and the tower body is met;
3) the ground wire supports of the middle phase sub-tower and the side phase sub-tower are positioned on the same side of the tower body so as to meet the requirements of the distance between a lead and the lead, the distance between the lead and the ground wire and the requirements of a lightning protection angle.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the utility model.
The labels in the figure are: 1. the system comprises a middle phase sub tower, 2 side phase sub towers, 3 ground wire supports, 4 wire hanging points, 5 wire, 6 ground wire hanging points, 7 ground wire, 8 jumper wire hanging points and 9 drilled lower line wires.
Detailed Description
The invention will be further explained with reference to the drawings attached to the specification in order to facilitate better understanding by those skilled in the art.
Referring to fig. 1-2, a split type high-voltage transmission line iron tower for drilling comprises a drilling tower which comprises a middle phase sub tower 1 and a side phase sub tower 2.
The middle sub-tower 1 comprises a tower body, a ground wire support 3 is outwards arranged at the top end of the tower body, a jumper wire hanging point 8 is arranged on the ground wire support 3, the jumper wire hanging point 8 is used for hanging a jumper wire through a hardware fitting, the jumper wire is connected with a lead 5 through the jumper wire to ensure the current transmission, and the distance between the lead 5 and the tower body is met; and a wire hanging point 4 is arranged below the ground wire support 3 and in the middle of the tower body, and the wire hanging point 4 is connected with a wire 5 through a hardware fitting.
The two side sub-towers 2 are respectively positioned at two sides of the middle sub-tower 1. The side phase sub-tower 2 comprises a tower body, a ground wire support 3 is arranged outwards at the top end of the tower body, a ground wire hanging point 6 is arranged on the ground wire support 3, the ground wire hanging point 6 is connected with a ground wire 7 through hardware, a jumper wire hanging point 8 is arranged on one side of the ground wire hanging point 6, and the jumper wire hanging point 8 is connected with a jumper wire through hardware; a wire hanging point 4 is arranged below the ground wire support 3 and in the middle of the tower body, and the wire hanging point 4 is connected with a wire 5 through a hardware fitting.
Furthermore, the ground wire brackets 3 on the middle phase sub-tower 1 and the side phase sub-tower 2 are positioned on the same side of the tower body, so as to meet the requirement of the distance between the lead 5 on the middle phase sub-tower 1 and the side phase sub-tower 2 and the lead 5, the lead 5 and the ground wire 7.
In this embodiment, the middle phase sub-tower 1 and the side phase sub-tower 2 need to be used simultaneously, and when the requirements of the electrical phase distance and the lightning protection angle in the specification are met, the center distance between the middle phase sub-tower 1 and the side phase sub-tower 2 can be properly adjusted and arranged according to the site topography and the topography, and the tower height can be adjusted according to the requirement of the conductor on the ground distance.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the scope of the present invention. Without departing from the spirit and principles of the present invention, various modifications and improvements of the technical solution of the present invention will be considered by those skilled in the art within the scope of the present invention as defined in the appended claims.
Claims (5)
1. The utility model provides a split type bores and crosses uses high tension transmission line iron tower, includes and bores tower, its characterized in that bores tower and includes:
the middle-phase sub-tower (1) comprises a tower body, a ground wire support (3) is outwards arranged at the top end of the tower body, a jumper wire hanging point (8) is arranged on the ground wire support (3), and a wire hanging point (4) is arranged below the ground wire support (3) and positioned in the middle of the tower body;
the two side sub-towers (2) are respectively positioned on two sides of the middle sub-tower (1), each side sub-tower (2) comprises a tower body, a ground wire support (3) is outwards arranged at the top end of the tower body, a ground wire hanging point (6) is arranged on each ground wire support (3), a jumper wire hanging point (8) is arranged on one side of each ground wire hanging point (6), and a wire hanging point (4) is arranged below each ground wire support (3) and positioned in the middle of the tower body.
2. The split type high-voltage transmission line iron tower for drilling according to claim 1, characterized in that: the wire hanging point (4) on the middle sub-tower (1) is connected with a wire (5) through a hardware fitting.
3. The split type high-voltage transmission line iron tower for drilling according to claim 1, characterized in that: the wire hanging point (4) on the side sub-tower (2) is connected with a wire (5) through a fitting, and the ground wire hanging point (6) on the ground wire support (3) is connected with a ground wire (7) through a fitting.
4. The split type high-voltage transmission line iron tower for drilling according to claim 1, characterized in that: the ground wire support (3) on the middle phase sub-tower (1) and the side phase sub-tower (2) are positioned on the same side of the tower body.
5. The split type high-voltage transmission line iron tower for drilling according to claim 1, characterized in that: the jumper wire hanging point (8) is connected with the jumper wire connecting lead (5) in a hanging mode through a hardware fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022947468.5U CN214697175U (en) | 2020-12-11 | 2020-12-11 | Split type high tension transmission line iron tower that uses of crossing that bores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022947468.5U CN214697175U (en) | 2020-12-11 | 2020-12-11 | Split type high tension transmission line iron tower that uses of crossing that bores |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214697175U true CN214697175U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022947468.5U Active CN214697175U (en) | 2020-12-11 | 2020-12-11 | Split type high tension transmission line iron tower that uses of crossing that bores |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214697175U (en) |
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2020
- 2020-12-11 CN CN202022947468.5U patent/CN214697175U/en active Active
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