CN210622429U - 110 kilovolt bores and strides dual-purpose strain insulator tower - Google Patents
110 kilovolt bores and strides dual-purpose strain insulator tower Download PDFInfo
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- CN210622429U CN210622429U CN201921039888.4U CN201921039888U CN210622429U CN 210622429 U CN210622429 U CN 210622429U CN 201921039888 U CN201921039888 U CN 201921039888U CN 210622429 U CN210622429 U CN 210622429U
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Abstract
The utility model relates to a transmission line shaft tower field, especially a dual-purpose strain insulator tower is striden to 110 kilovolts of brill, include the tower leg and arrange the body of the tower on the tower leg, its characterized in that: the tower body is provided with an upper layer of road cross arms and a lower layer of road cross arms from top to bottom respectively, the upper layer of road cross arms are composed of upper layer ground wire cross arms, upper layer upper phase lead cross arms and upper layer lower phase lead cross arms which are arranged from top to bottom, and the lower layer of road cross arms are composed of lower layer ground wire cross arms, lower layer upper phase lead cross arms and lower layer lower phase lead cross arms which are arranged from top to bottom. The utility model discloses a unique part lies in: when a line needing to be drilled or crossed is met, a tower does not need to be additionally built, and drilling or crossing is achieved by using the vertical height of the tower on the premise of ensuring the safety electric clearance.
Description
Technical Field
The utility model relates to a transmission line shaft tower field, especially a 110 kilovolt bores and strides dual-purpose strain insulator tower.
Background
With the vigorous development of electric power construction, a line path corridor is increasingly tense, and considering urban planning factors, part of high-voltage lines are usually routed in parallel along the existing highways, railways and the like, and if a newly-built line is crossed with the original line, the situation that one line passes through the original high-voltage line and the other line crosses the highways or railways in two adjacent continuous lines is often met. In order to ensure the safe distance of drilling and crossing, the conventional method is that a low special tower for drilling and crossing is adopted for the grade crossing, and then a high straight line tower is adopted to lift the height of a lead of an adjacent grade to cross the highway or the railway.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 110 kilovolt bores and strides dual-purpose strain insulator tower, when meetting the circuit that needs bore more or stride across, need not newly-built shaft tower separately, but the vertical height who utilizes shaft tower itself under the prerequisite of guaranteeing safe electric clearance realizes boring more or stridees across.
Realize the utility model discloses the technical scheme of purpose is: the utility model provides a dual-purpose strain insulator tower is striden to 110 kilovolts of brills, includes tower leg and arranges the body of a tower on the tower leg, its characterized in that: the tower body is provided with an upper layer of road cross arms and a lower layer of road cross arms from top to bottom respectively, the upper layer of road cross arms are composed of upper layer ground wire cross arms, upper layer upper phase lead cross arms and upper layer lower phase lead cross arms which are arranged from top to bottom, and the lower layer of road cross arms are composed of lower layer ground wire cross arms, lower layer upper phase lead cross arms and lower layer lower phase lead cross arms which are arranged from top to bottom.
The high-voltage and low-voltage grounding wire is provided with an upper layer grounding wire and a lower layer grounding wire, the upper layer grounding wire is connected to the upper layer grounding wire cross arm through a strain insulator-string, and the lower layer grounding wire is connected to the lower layer grounding wire cross arm through the strain insulator-string.
The upper layer cross arm is provided with an upper layer three-phase lead which consists of a first upper phase lead, a first lower phase inner lead and a first lower phase outer lead, the first upper phase lead is connected with the upper layer upper phase lead cross arm through a strain string, the first lower phase inner lead and the first lower phase outer lead are respectively connected with the inner side and the outer side of the upper layer lower phase lead cross arm through the strain string, the upper layer three-phase lead is arranged in a triangle shape, the lower layer cross arm is provided with a lower layer three-phase lead which consists of a second upper phase lead, a second lower phase inner lead and a second lower phase outer lead, the second upper phase lead is connected with the lower layer upper phase lead cross arm through the strain string, the second lower phase inner lead and the second lower phase outer lead are respectively connected with the inner side and the outer side of the lower layer lead cross arm through the strain string, the three-phase wires of the lower circuit are arranged in a triangular shape.
And the first upper phase conductor is communicated with the second upper phase conductor through a first conductor connecting line, the first conductor connecting line is led out from the second upper phase conductor, is vertically led up through a series of supporting insulators arranged on the tower body and the upper phase conductor cross arm, jumps to one side of the upper phase circuit cross arm from the side surface of the tower body through a jumper string connected on the upper phase ground wire cross arm, and is finally connected with the first upper phase conductor arranged on the upper phase conductor cross arm.
And the first lower-phase inner lead is communicated with the second lower-phase inner lead through a second lead connecting line, the second lead connecting line is led out from the second lower-phase inner lead, is led up through a series of supporting insulators arranged on the upper-layer lower-phase lead cross arm, the lower-layer upper-phase lead cross arm and the lower-layer ground wire cross arm, and is finally connected with the first lower-phase inner lead arranged on the upper-layer lower-phase lead cross arm.
And the first lower phase outer conductor is communicated with the second lower phase outer conductor through a third conductor connecting line, the third conductor connecting line is led out from the second lower phase outer conductor, is led up through a supporting insulator arranged on the lower phase lower conductor cross arm, and is finally connected with the first lower phase outer conductor arranged on the upper phase lower conductor cross arm.
The utility model has the advantages that: when meeting the circuit that needs to bore more or stride across, need not newly-built the shaft tower separately, but utilize the vertical height of shaft tower itself under the prerequisite of guaranteeing safe electric clearance, realize strideing by upper road cross arm, realize boring more by lower floor's road cross arm, not only can avoid newly-built shaft tower to occupy the soil and can adapt to various operating condition conditions, wide application.
Drawings
Fig. 1 is a front view of a 110 kv drill span dual purpose tension tower;
fig. 2 is a rear view of a 110 kv drill span dual purpose tension tower;
fig. 3 is a right side view of a 110 kv drill span dual purpose tension 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 a transmission line shaft tower field, especially a 110 kilovolt bores and strides dual-purpose strain insulator tower, include tower leg 13 and arrange body of the tower 14 on tower leg 13, its characterized in that: the tower body 14 is provided with upper road cross arm and lower road cross arm from top to bottom respectively, upper road cross arm by upper ground wire cross arm 1.1, upper phase upper wire cross arm 1.2 and upper phase lower wire cross arm 1.3 that top-down arranged constitute, lower road cross arm by lower floor ground wire cross arm 2.1, lower floor upper wire cross arm 2.2 and lower floor lower wire cross arm 2.3 that top-down arranged constitute.
When meeting the circuit that needs to bore more or stride across, need not newly-built the shaft tower separately, but utilize the vertical height of shaft tower itself under the prerequisite of guaranteeing safe electric clearance, realize strideing by upper road cross arm, realize boring more by lower floor's road cross arm, not only can avoid newly-built shaft tower to occupy the soil and can adapt to various operating condition conditions, wide application.
The high-voltage grounding device is provided with an upper-layer grounding wire 9 and a lower-layer grounding wire 10, wherein the upper-layer grounding wire is connected to an upper-layer grounding wire cross arm 1.1 through a tension string 15, and the lower-layer grounding wire 10 is connected to a lower-layer grounding wire cross arm 2.1 through the tension string 15.
The upper layer ground wire 9 and the lower layer ground wire 10 are connected with the cross arm through the strain insulator-string 15, and the reasonable electrical distance between the upper layer ground wire and the tower body is guaranteed.
The further technical scheme can be that the upper layer cross arm is provided with an upper layer three-phase lead, the upper layer three-phase lead consists of a first upper phase lead 3, a first lower phase inner lead 6.1 and a first lower phase outer lead 6.2, the first upper phase lead 3 is connected with the upper layer upper phase lead cross arm 1.2 through a tension string 15, the first lower phase inner lead 6.1 and the first lower phase outer lead 6.2 are respectively connected with the inner side and the outer side of the upper layer lower phase lead cross arm 1.3 through the tension string 15, the upper layer three-phase lead is arranged in a triangle shape, the lower layer cross arm is provided with a lower layer three-phase lead, the lower layer three-phase lead consists of a second upper phase lead 4, a second lower layer inner lead 7.1 and a second lower layer outer lead 7.2, the second upper phase lead 4 is connected with the lower layer upper phase lead cross arm 2.2 through the tension string 15, and the second lower layer inner lead 7.1 and the second lower layer outer lead 7.2 are respectively connected with the lower layer upper phase lead cross arm 2 through the tension string 15 The inner side and the outer side of the wire cross arm 2.3 are connected, and the three-phase wires of the lower layer circuit are arranged in a triangular shape.
The lower phase conductors of the double loops in the drilled crossing barrier are jumped to the crossing barrier side at the bottommost cross arm and then connected to the lower phase conductors of the double loops of the crossing barrier through conductor connecting wires to realize crossing; the upper phase wires of the double loops of the drilled-crossing gear are led up through the supporting insulator 12 arranged on the tower body 14 at the same side, and then are jumped to the side of the crossing gear through wire connecting wires and connected to the upper phase wires of the double loops to realize crossing.
The three-phase wires of the upper and lower layers are arranged in a triangular mode, so that the vertical height of the tower can be effectively compressed on the premise of ensuring the safety distance, and the bending moment of the root of the tower is reduced.
The first upper phase conductor 3 is communicated with a second upper phase conductor 4 through a first conductor connecting line 5, the first conductor connecting line 5 is led out from the second upper phase conductor 4, is vertically led up through a series of supporting insulators 12 arranged on a tower body 14 and an upper-layer upper-phase conductor cross arm 1.2, jumps to one side of an upper-layer circuit cross arm from the side surface of the tower body through a jumper string 11 connected with the upper-layer ground conductor cross arm 1.1, and is finally connected with the first upper phase conductor 3 arranged on the upper-layer upper-phase conductor cross arm 1.2.
The first upper phase conductor 3 is communicated with the second upper phase conductor 4 through a first conductor connecting wire 5 to realize crossing.
The further technical scheme is that the first lower phase inner side lead 6.1 is communicated with a second lower phase inner side lead 7.1 through a second lead connecting line 8.1, the second lead connecting line 8.1 is led out from the second lower phase inner side lead 7.1, and is led up through a series of supporting insulators 12 arranged on an upper layer lower phase lead cross arm 1.3, a lower layer upper phase lead cross arm 2.2 and a lower layer ground lead cross arm 2.1, and finally is connected with the first lower phase inner side lead 6.1 arranged on the upper layer lower phase lead cross arm 1.3.
The first lower phase inner side wire 6.1 is communicated with the second lower phase inner side wire 7.1 through a second wire connecting wire 8.1 to realize crossing.
And the first lower phase outer lead 6.2 is communicated with the second lower phase outer lead 7.2 through a third lead connecting 8.2, the third lead connecting 8.2 is led out from the second lower phase outer lead 7.2, is led up through a supporting insulator 12 arranged on the lower layer lower lead cross arm 2.3, and is finally connected with the first lower phase outer lead 6.2 arranged on the upper layer lower lead cross arm 1.3.
The first lower phase outer conductor 6.2 is connected to the second lower phase outer conductor 7.2 by a third conductor connection line 8.2 to realize crossing.
The utility model has applied for invention patent on the same subject at the same day.
Claims (6)
1. The utility model provides a dual-purpose strain insulator tower is striden to 110 kilovolts of brills, includes tower leg and arranges the body of a tower on the tower leg, its characterized in that: the tower body is provided with an upper layer of road cross arms and a lower layer of road cross arms from top to bottom respectively, the upper layer of road cross arms are composed of upper layer ground wire cross arms, upper layer upper phase lead cross arms and upper layer lower phase lead cross arms which are arranged from top to bottom, and the lower layer of road cross arms are composed of lower layer ground wire cross arms, lower layer upper phase lead cross arms and lower layer lower phase lead cross arms which are arranged from top to bottom.
2. The 110 kv drill span dual-purpose strain tower of claim 1, wherein: the high-voltage and low-voltage grounding wire is provided with an upper layer grounding wire and a lower layer grounding wire, wherein the upper layer grounding wire is connected to an upper layer grounding wire cross arm through a strain insulator-string, and the lower layer grounding wire is connected to a lower layer grounding wire cross arm through a strain insulator-string.
3. The 110 kv drill span dual-purpose strain tower of claim 1, wherein: the upper-layer circuit cross arm is provided with an upper-layer circuit three-phase conducting wire, the upper-layer circuit three-phase conducting wire consists of a first upper-phase conducting wire, a first lower-phase inner conducting wire and a first lower-phase outer conducting wire, the first upper-phase conducting wire is connected with the upper-layer upper-phase conducting wire cross arm through a strain string, the first lower-phase inner conducting wire and the first lower-phase outer conducting wire are respectively connected with the inner side and the outer side of the upper-layer lower-phase conducting wire cross arm through the strain string, the upper-layer circuit three-phase conducting wire is arranged in a triangular shape, the lower-layer circuit cross arm is provided with a lower-layer circuit three-phase conducting wire, the lower-layer circuit three-phase conducting wire consists of a second upper-phase conducting wire, a second lower-phase inner conducting wire and a second lower-phase outer conducting wire, the second upper-phase conducting wire is connected with the lower-layer upper-phase conducting wire cross arm through the strain string, the three-phase wires of the lower circuit are arranged in a triangular shape.
4. The 110 kV drilling and spanning dual-purpose strain tower according to claim 3, wherein: the first upper phase conductor is communicated with the second upper phase conductor through a first conductor connecting line, the first conductor connecting line is led out from the second upper phase conductor, is vertically led up through a series of supporting insulators arranged on the tower body and the upper phase conductor cross arm, jumps to one side of the upper phase circuit cross arm from the side surface of the tower body through a jumper string connected on the upper layer ground conductor cross arm, and is finally connected with the first upper phase conductor arranged on the upper layer upper phase conductor cross arm.
5. The 110 kV drilling and spanning dual-purpose strain tower according to claim 3, wherein: the first lower-phase inner lead is communicated with the second lower-phase inner lead through a second lead connecting line, the second lead connecting line is led out from the second lower-phase inner lead, is led up through a series of supporting insulators arranged on the upper-layer lower-phase lead cross arm, the lower-layer upper-phase lead cross arm and the lower-layer ground wire cross arm, and is finally connected with the first lower-phase inner lead arranged on the upper-layer lower-phase lead cross arm.
6. The 110 kV drilling and spanning dual-purpose strain tower according to claim 3, wherein: the first lower-phase outer lead is communicated with the second lower-phase outer lead through a third lead connecting line, the third lead connecting line is led out from the second lower-phase outer lead, is led up through a supporting insulator arranged on the lower-layer lower lead cross arm, and is finally connected with the first lower-phase outer lead arranged on the upper-layer lower lead cross arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921039888.4U CN210622429U (en) | 2019-07-05 | 2019-07-05 | 110 kilovolt bores and strides dual-purpose strain insulator tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921039888.4U CN210622429U (en) | 2019-07-05 | 2019-07-05 | 110 kilovolt bores and strides dual-purpose strain insulator tower |
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| CN210622429U true CN210622429U (en) | 2020-05-26 |
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| CN201921039888.4U Active CN210622429U (en) | 2019-07-05 | 2019-07-05 | 110 kilovolt bores and strides dual-purpose strain insulator tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259252A (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 110 kilovolts are bored across dual-purpose anchor support |
| CN113572117A (en) * | 2021-06-11 | 2021-10-29 | 国网山东省电力公司烟台供电公司 | Device and method for realizing overhead drilling by adopting single-loop-trunk-shaped terminal tower |
-
2019
- 2019-07-05 CN CN201921039888.4U patent/CN210622429U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259252A (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 110 kilovolts are bored across dual-purpose anchor support |
| CN113572117A (en) * | 2021-06-11 | 2021-10-29 | 国网山东省电力公司烟台供电公司 | Device and method for realizing overhead drilling by adopting single-loop-trunk-shaped terminal tower |
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