CN210622425U - Single-loop staggered-layer power transmission line tower - Google Patents
Single-loop staggered-layer power transmission line tower Download PDFInfo
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- CN210622425U CN210622425U CN201921039671.3U CN201921039671U CN210622425U CN 210622425 U CN210622425 U CN 210622425U CN 201921039671 U CN201921039671 U CN 201921039671U CN 210622425 U CN210622425 U CN 210622425U
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Abstract
The utility model relates to an overhead transmission line shaft tower technical field, single loop staggered floor transmission line shaft tower especially, adopt the staggered floor structure, utilize the upper strata to lead, low voltage level circuit or other barriers are strideed across to the ground wire cross arm, utilize the lower floor to lead, the ground wire cross arm is accomplished and is passed through high voltage level circuit, a pole type can realize two kinds of functions, because this shaft tower can realize strideing across and boring more function when guaranteeing transmission line safe distance requirement, therefore need not newly-built shaft tower separately, not only make the engineering reduce, the invasion of newly-built shaft tower to peripheral soil has also been avoided accounting for.
Description
Technical Field
The utility model relates to an overhead transmission line shaft tower technical field, especially a single loop staggered floor transmission line shaft tower.
Background
With the rapid development of the construction of villages and towns, the main township area gradually develops to suburbs, suburb power loads cannot meet the increase requirements, and a large number of newly-built 110kV transformer substations are needed to meet the increase of surrounding loads. Generally, more suburb sections are planned, the road network is complex, the lines basically require to adopt transmission line towers to route along green belts, but the high-voltage and low-voltage grade lines in the suburb sections are criss-cross, in the prior art, newly-built towers are generally adopted, the high-voltage grade lines are raised or lowered to realize crossing or drilling, so that the engineering quantity is increased, and the newly-built towers can occupy peripheral land.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a single loop staggered floor transmission line shaft tower, this shaft tower can realize strideing across and boring function when guaranteeing transmission line safe distance requirement, and need not newly-built shaft tower separately for the engineering volume significantly reduces.
Realize the utility model discloses the technical scheme of purpose is: the utility model provides a single circuit staggered floor transmission line shaft tower, includes the shaft tower body that two parallels were arranged, its characterized in that: the tower body on top-down be provided with first ground wire cross arm, first wire cross arm, the fixed cross arm of first wire, second ground wire cross arm and second wire cross arm, first ground wire cross arm small size side be equipped with first ground wire, the large size side of second ground wire cross arm be equipped with the second ground wire, this first ground wire through fix on the tower body with first ground wire draw down to the large size side of second ground wire cross arm and with second ground wire intercommunication, the small size side of first wire cross arm be equipped with first wire, the large size side of second wire cross arm is equipped with the second wire, this first wire is drawn down to the large size side of second ground wire cross arm and is linked together with the second wire through wire downlead and the fixed cross arm of first wire.
And one end of the first ground wire is connected with the first ground wire cross arm through the ground wire strain insulator-string, and the other end of the first ground wire is communicated with the second ground wire through the ground wire strain insulator-string.
And the first and second wires are respectively connected with the first wire cross arm and the second wire cross arm through the wire strain fitting string.
And the second ground cross arm is provided with a lead post insulator for leading the first lead from the small-size side to the large-size side.
And the wire fixing cross arm is provided with a wire support insulator for leading the first wire from the small-size side to the large-size side.
And the fixing piece is a wire support type insulator.
And the large-size side is the side of the tower body facing the power receiving end, and the small-size side is the side of the tower body facing away from the power receiving end.
The utility model has the advantages that: 1. the cross arms of the upper layer of the conducting wire and the ground wire are used for crossing a low-voltage grade line or other obstacles, and the cross arms of the lower layer of the conducting wire and the ground wire are used for completing the crossing of a high-voltage grade line, so that one rod type can realize two functions. 2. Because the pole tower can realize the functions of spanning and drilling while ensuring the requirement of the safe distance of the power transmission line, the pole tower does not need to be additionally built, the project is reduced, and the encroachment of the newly built pole tower on the peripheral land is also avoided.
Drawings
FIG. 1 is a schematic structural diagram of a small-size side of a single-loop staggered-layer transmission line tower;
FIG. 2 is a schematic structural diagram of a large-size side of a single-loop staggered-layer transmission line tower;
fig. 3 is a schematic structural diagram of a single-loop staggered-layer transmission line tower.
Detailed Description
Referring to fig. 1 to 3, the present invention will be further described with reference to the following embodiments.
The utility model relates to an overhead transmission line shaft tower technical field, especially a single loop staggered floor transmission line shaft tower, including the shaft tower body 6 that two parallels were arranged, its characterized in that: the tower body 6 on top-down be provided with first ground wire cross arm 1, first wire cross arm 2, first wire fixed cross arm 3, second ground wire cross arm 4 and second wire cross arm 5, first ground wire cross arm 1 small size side be equipped with first ground wire 8, second ground wire cross arm 4 large size side be equipped with second ground wire 10, this first ground wire 8 through fixing the mounting on tower body 6 with first ground wire 8 draw down to second ground wire cross arm 4 large size side and with second ground wire 10 intercommunication, first wire cross arm 2 small size side be equipped with first wire 7, second wire cross arm 5 large size side is equipped with second wire 9, this first wire 7 is drawn down to second ground wire cross arm 5 large size side and is communicated with second wire 9 through wire downlead 7.1 and first wire fixed cross arm 3.
When the lightning protection device normally operates or crosses other buildings and lines, a first ground wire cross arm 1 and a first lead wire cross arm 2 are adopted, and the left side and the right side of the first ground wire cross arm 1 are respectively provided with a ground wire for protecting the lines from being hit by lightning. The first wire cross arm 2 is used for tightly hanging a first wire 7, the first wire 7 is divided into three phases a, b and c, and the normal operation meets the relevant specification requirements. When the tower needs to drill a high-voltage-class circuit on the other side, the ground wire and the lead are moved downwards to ensure the electrical safety distance of the ground wire to the high-voltage-class lead, at the moment, the first ground wire 8 on the small-size side of the first ground wire cross arm 1 is connected with the first ground wire cross arm 1 through a ground wire fitting string, the first ground wire 8 is led downwards to the large-size side through a lead support insulator 7.3 fixed on the tower rod body 6, the large-size side is communicated with the second ground wire 10 to complete the conversion of the ground wire from the upper layer to the lower layer, and the second ground wire 10 is drilled under the high-voltage-class circuit. First wire cross arm 2 small size side is equipped with first wire 7, this first wire 7 is connected with first wire cross arm 2 through wire strain insulator-string, the fixed hole is installed additional to the fixed cross arm small size side direction of wire, be used for fixed wire pillar type insulator 7.3, first wire 7 draws down through wire downlead 7.1, fix the downlead on wire pillar type insulator 7.3 with first wire 7 downlead after drawing down through large-size side wire strain insulator-string and second wire 9 intercommunication, accomplish the wire and change from the upper strata to the lower floor, this second wire 9 will be followed high voltage grade circuit below and bore more.
The staggered arrangement can cross a low-voltage grade line or other obstacles by using upper-layer conducting and ground wire cross arms, and can complete the crossing of a high-voltage grade line by using lower-layer conducting and ground wire cross arms, and one rod type can realize two functions.
And one end of the first ground wire 8 is connected with the first ground wire cross arm 1 through a ground wire strain insulator-string 8.1, and the other end is communicated with the second ground wire 10 through the ground wire strain insulator-string 8.1.
One side of the ground wire strain insulator-string 8.1 is connected with the hanging hole on the tower pole body 6, and the ground wire is fixed by the other side.
The further technical scheme can be that the first and second wires 7 and 9 are respectively connected with the first wire cross arm 2 and the second wire cross arm 5 through a wire strain insulator string 7.2.
One side of the wire tension-resistant hardware string 7.2 is connected with a hanging hole on the tower rod body 6, and the other side fixes the wire.
And the second ground cross arm 4 is provided with a lead post insulator 7.3 for leading the first lead 7 from the small-size side to the large-size side.
The wire post insulator 7.3 plays the function of insulating and fixed wire for the wire is drawn down along the pole body 6, prevents the wire swing.
The further technical scheme is that a wire support insulator 7.3 is arranged on the wire fixing cross arm and used for leading the first wire 7 to the large-size side from the small-size side.
The first conductor 7 jumps from the small-size side of the tower pole to the large-size side of the tower pole along the conductor post insulator 7.3 on the conductor fixing cross arm.
And the fixing part is a wire support type insulator 7.3.
The wire post insulator 7.3 plays the function of insulating and fixed ground wire for the ground wire draws down along the pole body 6, prevents the ground wire swing.
The further technical scheme can also be that the large-size side is the side of the tower body 6 facing the power receiving end, and the small-size side is the side of the tower body 6 facing away from the power receiving end.
The transmission line field generally starts numbering 1, 2, 3 to receive the electric end from the power end, and the big side is that the pole tower faces the grade that receives the electric end, and the small side is opposite.
The utility model has applied for invention patent on the same subject at the same day.
Claims (7)
1. The utility model provides a single circuit staggered floor transmission line shaft tower, includes the shaft tower body that two parallels were arranged, its characterized in that: the tower body on top-down be provided with first ground wire cross arm, first wire cross arm, the fixed cross arm of first wire, second ground wire cross arm and second wire cross arm, first ground wire cross arm small size side be equipped with first ground wire, the large size side of second ground wire cross arm be equipped with the second ground wire, this first ground wire through fix on the tower body with first ground wire draw down to the large size side of second ground wire cross arm and with second ground wire intercommunication, the small size side of first wire cross arm be equipped with first wire, the large size side of second wire cross arm is equipped with the second wire, this first wire is drawn down to the large size side of second ground wire cross arm and is linked together with the second wire through wire downlead and the fixed cross arm of first wire.
2. The single-loop staggered-layer power transmission line tower according to claim 1, characterized in that: one end of the first ground wire is connected with the first ground wire cross arm through the ground wire strain insulator-string, and the other end of the first ground wire is communicated with the second ground wire through the ground wire strain insulator-string.
3. The single-loop staggered-layer power transmission line tower according to claim 1, characterized in that: the first and second wires are connected with the first wire cross arm and the second wire cross arm respectively through the wire strain fitting string.
4. The single-loop staggered-layer power transmission line tower according to claim 1, characterized in that: and the second ground cross arm is provided with a lead support insulator for leading the first lead to the large-size side from the small-size side.
5. The single-loop staggered-layer power transmission line tower as claimed in claim 2, wherein: and the wire fixing cross arm is provided with a wire support insulator for leading the first wire to the large-size side from the small-size side.
6. The single-loop staggered-layer power transmission line tower according to claim 1, characterized in that: the fixing piece is a wire support type insulator.
7. The single-circuit split-level transmission line tower of claim 1, 4 or 5, wherein: the large-size side is the side of the tower body facing the power receiving end, and the small-size side is the side of the tower body facing away from the power receiving end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921039671.3U CN210622425U (en) | 2019-07-05 | 2019-07-05 | Single-loop staggered-layer power transmission line tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921039671.3U CN210622425U (en) | 2019-07-05 | 2019-07-05 | Single-loop staggered-layer power transmission line tower |
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| Publication Number | Publication Date |
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| CN210622425U true CN210622425U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921039671.3U Active CN210622425U (en) | 2019-07-05 | 2019-07-05 | Single-loop staggered-layer power transmission line tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259247A (en) * | 2019-07-05 | 2019-09-20 | 荆州市荆力工程设计咨询有限责任公司 | A kind of single loop staggered floor electric power line pole tower |
-
2019
- 2019-07-05 CN CN201921039671.3U patent/CN210622425U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259247A (en) * | 2019-07-05 | 2019-09-20 | 荆州市荆力工程设计咨询有限责任公司 | A kind of single loop staggered floor electric power line pole tower |
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