CN207160717U - Transmission tower under a kind of return cable terminals of 110kV six - Google Patents
Transmission tower under a kind of return cable terminals of 110kV six Download PDFInfo
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- CN207160717U CN207160717U CN201721092218.XU CN201721092218U CN207160717U CN 207160717 U CN207160717 U CN 207160717U CN 201721092218 U CN201721092218 U CN 201721092218U CN 207160717 U CN207160717 U CN 207160717U
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Abstract
Transmission tower under a kind of return cable terminals of 110kV six, including tower body and the nine layer conductor cross-arms for being from top to bottom symmetricly set on tower body both sides successively；Ground wire cross-arm is provided with the top of tower body, the top of ground wire cross-arm is arranged with ground wire hanging point on the axis of tower body, and the both sides of each wire cross-arm are arranged with conducting wire hanging point on the axis of tower body；The top of tower body line side under cable is provided with lightning arrester bracket, and the front and rear sides of tower body are provided with nine layers and are used for the offline cable platforms of cable, and the junction of nine layers of cable platform and tower body is wide；First is formed on tower body below third layer wire cross-arm to become at slope, and second is formed on the tower body below the 9th layer conductor cross-arm and is become at slope；The bottom of tower body is connected with tower leg.The utility model can ensure the smooth landing of overhead transmission line, the nervous actual conditions in integration engineering corridor so that the loop towers of 110kV six are applicable in urban electricity supply line project.
Description
Technical field
It the utility model is related to a kind of high voltage iron tower, and in particular to transmission tower under a kind of return cable terminals of 110kV six.
Background technology
In the engineering of 110kV voltage class, the application of single loop, double loop and four-loop steel tower is more, but six
Loop Steel Tower is using less, particularly transmission tower under the cable termination in six loops, and there is no maturation at present uses for reference organization plan.
Therefore, it is necessary to the design work that conducted a research to transmission tower under the cable termination in the loops of 110kV six.
Utility model content
The purpose of this utility model is to be directed to above-mentioned the problems of the prior art, there is provided a kind of return cables of 110kV six
Transmission tower under terminal, solve the offline problem of the return cables of 110kV six, the landing of overhead transmission line is smoothly completed.
To achieve these goals, the technical solution adopted in the utility model is：Including tower body and from top to bottom successively
It is symmetricly set on nine layer conductor cross-arms of tower body both sides；Ground wire cross-arm, the top of ground wire cross-arm are provided with the top of the tower body
Axis on tower body is arranged with ground wire hanging point, and the both sides of each wire cross-arm are arranged with the axis of tower body leads
Line hanging point；The top of tower body line side under cable is provided with lightning arrester bracket, and the front and rear sides of tower body are provided with nine layers and are used for electricity
The junction of the offline cable platform of cable, nine layers of cable platform and tower body is wide；Shape on tower body below third layer wire cross-arm
Become into first at slope, second is formed on the tower body below the 9th layer conductor cross-arm and is become at slope；The bottom of tower body is connected with tower leg.
The shape of the wire cross-arm both side ends is pointed；The total length of first layer conductor cross-arm is 8.4m, cross-arm
The angle of end is 20.6 °；The total length of second layer conductor cross-arm is 9.4m, and the angle of cross arm end is 19.4 °；Third layer is led
The total length of line cross-arm is 8.4m, and the angle of cross arm end is 22.1 °；The total length of 4th layer conductor cross-arm is 10.6m, cross-arm
The angle of end is 19.5 °；The total length of layer 5 wire cross-arm is 9.6m, and the angle of cross arm end is 21 °；Layer 6 wire
The total length of cross-arm is 11.4m, and the angle of cross arm end is 20.7 °；The total length of layer 7 wire cross-arm is 10.4m, cross-arm
The angle of end is 24.3 °；The total length of 8th layer conductor cross-arm is 12.2m, and the angle of cross arm end is 22.2 °；9th layer
The total length of wire cross-arm is 11.2m, and the angle of cross arm end is 26.2 °.
Interlamellar spacing between first layer conductor cross-arm and the second layer conductor cross-arm is 4.5m；Second layer conductor cross-arm and the 3rd
Interlamellar spacing between layer conductor cross-arm is 4.5m；Interlamellar spacing between third layer wire cross-arm and the 4th layer conductor cross-arm is
5.0m；Spacing between 4th layer conductor cross-arm and layer 5 wire cross-arm is 4.5m；Layer 5 wire cross-arm is led with layer 6
Spacing between line cross-arm is 4.5m；Spacing between layer 6 wire cross-arm and layer 7 wire cross-arm is 5.0m；Layer 7
Spacing between wire cross-arm and the 8th layer conductor cross-arm is 4.5m；Between 8th layer conductor cross-arm and the 9th layer conductor cross-arm
Spacing is 4.5m.
First becomes at slope vertical range between third layer wire cross-arm as 2.5m, and first becomes at slope and the 4th layer conductor
Vertical range between cross-arm is 2.5m, and second becomes vertical range at slope between the 9th layer conductor cross-arm as 2.0m.
First layer cable platform is arranged at the lower plane of the second layer conductor cross-arm, width 2.0m；Second layer cable is put down
Platform is arranged at the lower plane of third layer wire cross-arm, width 2.0m；Third layer cable platform is arranged on the 4th layer conductor horizontal stroke
At the lower plane of load, width 2.364m；4th layer of cable platform is arranged at the lower plane of layer 5 wire cross-arm, and width is
3.018m；Layer 5 cable platform is arranged at the lower plane of layer 6 wire cross-arm, width 3.673m；Layer 6 cable is put down
Platform is arranged at the lower plane of layer 7 wire cross-arm, width 4.4m；Layer 7 cable platform is arranged on the 8th layer conductor horizontal stroke
At the lower plane of load, width 5.055m；8th layer of cable platform is arranged at the lower plane of the 9th layer conductor cross-arm, and width is
5.709m；9th layer of cable platform is arranged at the lower plane 4.5m of the layer conductor cross-arm of distance the 9th, width 6.850m.
Described ground wire cross-arm is arranged on the top of tower body, the Liang Ge branches outermost of the earth wire support by earth wire support
The axis distance for holding tower body is 6.1m, and the height of the earth wire support is 1.6m.
The main material of the tower body uses Q420 angle steel, and remaining rod member uses Q345 or Q235 angle steel, the main material of the tower body
It is attached by steel plate and angle steel, and is fixed using double-nut bolt.
Compared with prior art, the utility model has following beneficial effect：By being from top to bottom symmetrical arranged successively
The nine layer conductor cross-arms in tower body both sides hang transmission pressure, and the load of tower body is larger, saves tower material.The front and rear sides of tower body
It is provided with nine layers and is used for the offline cable platforms of cable, the top of the tower body line side under cable is provided with lightning arrester bracket, takes shelter from the thunder
Needle rack is installed on the positive no side of wire of tower body.The utility model can ensure the smooth landing of overhead transmission line, and in tower
Rationally set first to become at slope with it with second to become at slope, structure stress can be made balanced, mitigate tower weight.The utility model tower body
Bottom be connected with tower leg, tower leg is connected according to actual conditions with tower body body, can adapt to different topography and geomorphologies.This practicality
The nervous actual conditions in novel integrated engineering corridor so that the loop towers of 110kV six are applicable in urban electricity supply line project.
Brief description of the drawings
Fig. 1 overall structure front views of the present utility model；
Fig. 2 overall structure side views of the present utility model；
The first tower leg structural representation of Fig. 3 the utility model；
Second of tower leg structural representation of Fig. 4 the utility model；
In accompanying drawing：1. tower body；2. earth wire support；3. the first layer conductor cross-arm；4. the second layer conductor cross-arm；5. third layer is led
Line cross-arm；6. the 4th layer conductor cross-arm；7. layer 5 wire cross-arm；8. layer 6 wire cross-arm；9. layer 7 wire cross-arm；
10. the 8th layer conductor cross-arm；11. the 9th layer conductor cross-arm；12. first becomes at slope；13. second becomes at slope；14. tower leg；15. keep away
Thunder needle rack；16. first layer cable platform；17. second layer cable platform；18. third layer cable platform；19. the 4th layer of cable
Platform；20. layer 5 cable platform；21. layer 6 cable platform；22. layer 7 cable platform；23. the 8th layer of cable platform；
24. the 9th layer of cable platform.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1-4, the utility model includes tower body 1, earth wire support 2, the first layer conductor cross-arm 3, second in structure
Layer conductor cross-arm 4, third layer wire cross-arm 5, the 4th layer conductor cross-arm 6, layer 5 wire cross-arm 7, layer 6 wire cross-arm 8,
Layer 7 wire cross-arm 9, the 8th layer conductor cross-arm 10, the 9th layer conductor cross-arm 11, first become slope at 12, second become slope at 13,
Tower leg 14, lightning arrester bracket 15, first layer cable platform 16, second layer cable platform 17, third layer cable platform 18, the 4th layer
Cable platform 19, layer 5 cable platform 20, layer 6 cable platform 21, layer 7 cable platform 22, the 8th layer of cable platform
23 and the 9th layer of cable platform 24.Wherein, earth wire support 2 is symmetricly set on the upper of top the first layer conductor cross-arm 3 of tower body 1
Side, including Liang Ge branches, respectively positioned at the left and right sides of tower body 1；The Liang Ge branches outermost end of earth wire support 2 is to the axis of tower body 1
The distance of line is 4.4m, and the height of earth wire support 2 is 1.1m.The top of earth wire support 2 is provided with ground wire hanging point, in suspension
Line, ground wire shield to wire.First layer conductor cross-arm 3, the second layer conductor cross-arm 4, third layer wire cross-arm the 5, the 4th
Layer conductor cross-arm 6, layer 5 wire cross-arm 7, layer 6 wire cross-arm 8, layer 7 wire cross-arm 9, the 8th layer conductor cross-arm 10,
The bottom of 9th layer conductor cross-arm 11 is provided with conducting wire hanging point.Lightning arrester bracket 15 is arranged on line side under cable, upper plane and ground wire
Support is contour.First layer cable platform 16, second layer cable platform 17, third layer cable platform 18, the 4th layer of cable platform 19,
Layer 5 cable platform 20, layer 6 cable platform 21, layer 7 cable platform 22, the 8th layer of cable platform 23 and the 9th layer
Cable platform 24 is arranged at side before and after tower body, is connected by angle steel with iron tower main material.
The lightning protection of shaft tower is not more than 0 °, meets code requirement.
First layer conductor cross-arm 3 is symmetrically arranged at the top of tower body 1, including Liang Ge branches, at left and right sides of tower body 1,
Each branch top shape is pointed, and angle is 20.6 °, to tower head the right and left horizontal stretching and keeps symmetrical；First layer is led
3 unilateral length of line cross-arm is 4.2m, for hanging transmission pressure, and meets electric clearance requirement.
Second layer conductor cross-arm 4 includes Liang Ge branches, is symmetricly set in the left and right of the bottom tower body 1 of the first layer conductor cross-arm 3
Both sides, its top shape are pointed, and angle is 19.4 °, to tower head the right and left horizontal stretching and keep symmetrical；Second layer conductor
4 unilateral length of cross-arm are 4.7m, for hanging transmission pressure, and meet electric clearance requirement.
Third layer wire cross-arm 5 includes Liang Ge branches, is symmetricly set in the left and right of the bottom tower body 1 of the second layer conductor cross-arm 4
Both sides, its top shape are pointed, and angle is 22.1 °, to tower head the right and left horizontal stretching and keep symmetrical；Third layer wire
5 unilateral length of cross-arm is 4.2m, for hanging transmission pressure, and meets electric clearance requirement.
4th layer conductor cross-arm 6 is located at left and right sides of tower body, is symmetricly set on the lower section tower body 1 of third layer wire cross-arm 5,
Including Liang Ge branches, branch's top shape is pointed, and angle is 19.5 °, to tower head the right and left horizontal stretching and keeps symmetrical；
4th layer conductor cross-arm, 6 unilateral length is 5.3m, for hanging transmission pressure, meets electric clearance requirement.
Layer 5 wire cross-arm 7 includes Liang Ge branches, is symmetricly set in the left and right of the bottom tower body 1 of the 4th layer conductor cross-arm 6
Both sides, its top shape are pointed, and angle is 21 °, to tower head the right and left horizontal stretching and keep symmetrical；Layer 5 wire is horizontal
The unilateral length of load 7 is 4.8m, for hanging transmission pressure, and meets electric clearance requirement.
Layer 6 wire cross-arm 8 includes Liang Ge branches, is symmetricly set in the left and right sides of the bottom of layer 5 wire cross-arm 7,
Its top shape is pointed, and angle is 20.7 °, to tower head the right and left horizontal stretching and keeps symmetrical；Layer 6 wire horizontal stroke 8 is single
Side length is 5.7m, for hanging transmission pressure, and meets electric clearance requirement.
Layer 7 wire cross-arm 9 includes Liang Ge branches, is symmetricly set in the left and right sides of the bottom of layer 6 wire cross-arm 8,
Its top shape is pointed, and angle is 24.3 °, to tower head the right and left horizontal stretching and keeps symmetrical；Layer 7 wire horizontal stroke 9 is single
Side length is 5.2m, for hanging transmission pressure, and meets electric clearance requirement.
8th layer conductor cross-arm 10 includes Liang Ge branches, is symmetricly set in the left and right sides of the bottom of layer 7 wire cross-arm 9,
Its top shape is pointed, and angle is 22.2 °, to tower head the right and left horizontal stretching and keeps symmetrical；8th layer conductor horizontal stroke 10
Unilateral length is 6.1m, for hanging transmission pressure, and meets electric clearance requirement.
9th layer conductor cross-arm 11 includes Liang Ge branches, is symmetricly set in the left and right two of the bottom of the 8th layer conductor cross-arm 10
Side, its top shape are pointed, and angle is 26.2 °, to tower head the right and left horizontal stretching and keep symmetrical；9th layer conductor is horizontal
11 unilateral length are 5.6m, for hanging transmission pressure, and meet electric clearance requirement.
The total length of first layer conductor cross-arm 3 is 8.4m, and the vertical height with tower body junction is 1.2m；Second layer conductor is horizontal
It is 9.4m to carry on a shoulder pole 4 total lengths, and the vertical height with tower body junction is 1.3m；The total length of third layer wire cross-arm 5 is 8.4m, with tower
The vertical height of body junction is 1.3m；The total length of 4th layer conductor cross-arm 6 is 10.6m, the vertical height with tower body junction
For 1.5m；The total length of layer 5 wire cross-arm 7 is 9.6m, and the vertical height with tower body junction is 1.3m；Layer 6 wire is horizontal
It is 11.4m to carry on a shoulder pole 8 total lengths, and the vertical height with tower body junction is 1.5m；The total length of layer 7 wire cross-arm 9 is 10.4m, with
The vertical height of tower body junction is 1.4m；The total length of 8th layer conductor cross-arm 10 is 12.2m, height vertical with tower body junction
Spend for 1.5m；The total length of 9th layer conductor cross-arm 11 is 11.2m, and the vertical height with tower body junction is 1.4m.
Interlamellar spacing between first layer conductor cross-arm 3 and the second layer conductor cross-arm 4 is 4.5m；
Interlamellar spacing between second layer conductor cross-arm 4 and third layer wire cross-arm 5 is 4.5m；
Interlamellar spacing between third layer wire cross-arm 5 and the 4th layer conductor cross-arm 6 is 5.0m；
Spacing between 4th layer conductor cross-arm 6 and layer 5 wire cross-arm 7 is 4.5m；
Spacing between layer 5 wire cross-arm 7 and layer 6 wire cross-arm 8 is 4.5m；
Spacing between layer 6 wire cross-arm 8 and layer 7 wire cross-arm 9 is 5.0m；
Spacing between layer 7 wire cross-arm 9 and the 8th layer conductor cross-arm 10 is 4.5m；
Spacing between 8th layer conductor cross-arm 10 and the 9th layer conductor cross-arm 11 is 4.5m.
The first of tower body 1 becomes at slope 12 with the vertical range of third layer wire cross-arm 5 as 2.5m, with the 4th layer conductor cross-arm
6 vertical range is 2.5m；Second become slope at 13 and the 9th layer conductor cross-arm 11 vertical range into 2.0m.Rational selection the
13 position can make structure stress more reasonable at the 12, second change slope at one change slope, effectively save material, mitigate tower weight.
The bottom of tower body 1 is connected with tower leg 14, and is connected according to actual conditions with tower body body, to adapt to different topography and geomorphologies.
Design basic wind speed of the present utility model is 23.5m/s, and traverse design ice covering thickness is 5mm, design of Grounding Connections icing
Thickness is 10mm, including tower body, earth wire support, lightning arrester bracket, nine layer conductor cross-arms, nine layers of cable platform and tower leg.Respectively
Layer cross-arm is symmetrically arranged at left and right sides of tower body and is connected with tower body, before nine layers of cable platform are symmetrically arranged at tower body
Both sides and it is connected afterwards with tower body.The utility model solves the offline problem of the return cables of 110kV six, enables engineering smoothly complete
Into.
Claims (7)
- A kind of 1. transmission tower under return cable terminals of 110kV six, it is characterised in that：Including tower body (1) and right successively from top to bottom Claim the nine layer conductor cross-arms for being arranged on tower body (1) both sides；Ground wire cross-arm is provided with the top of the tower body (1), ground wire cross-arm Top is arranged with ground wire hanging point on the axis of tower body (1), the axis of the both sides of each wire cross-arm on tower body (1) It is arranged with conducting wire hanging point；The top of tower body (1) line side under cable is provided with lightning arrester bracket (15), tower body (1) it is front and rear Both sides are provided with nine layers and are used for the offline cable platform of cable, and the junction of nine layers of cable platform and tower body (1) is wide；Third layer Form first on tower body (1) below wire cross-arm (5) to become at slope (12), the tower body (1) below the 9th layer conductor cross-arm (11) It is upper to be formed at the second change slope (13)；The bottom of tower body (1) is connected with tower leg (14).
- 2. transmission tower under the return cable terminals of 110kV six according to claim 1, it is characterised in that：The wire cross-arm both sides The shape of end is pointed；The total length of first layer conductor cross-arm (3) is 8.4m, and the angle of cross arm end is 20.6 °；Second The total length of layer conductor cross-arm (4) is 9.4m, and the angle of cross arm end is 19.4 °；The total length of third layer wire cross-arm (5) is 8.4m, the angle of cross arm end is 22.1 °；The total length of 4th layer conductor cross-arm (6) is 10.6m, and the angle of cross arm end is 19.5°；The total length of layer 5 wire cross-arm (7) is 9.6m, and the angle of cross arm end is 21 °；Layer 6 wire cross-arm (8) Total length is 11.4m, and the angle of cross arm end is 20.7 °；The total length of layer 7 wire cross-arm (9) is 10.4m, cross arm end Angle be 24.3 °；The total length of 8th layer conductor cross-arm (10) is 12.2m, and the angle of cross arm end is 22.2 °；9th layer The total length of wire cross-arm (11) is 11.2m, and the angle of cross arm end is 26.2 °.
- 3. transmission tower under the return cable terminals of 110kV six according to claim 1 or claim 2, it is characterised in that：First layer conductor cross-arm (3) interlamellar spacing between the second layer conductor cross-arm (4) is 4.5m；Second layer conductor cross-arm (4) and third layer wire cross-arm (5) Between interlamellar spacing be 4.5m；Interlamellar spacing between third layer wire cross-arm (5) and the 4th layer conductor cross-arm (6) is 5.0m；The Spacing between four layer conductor cross-arms (6) and layer 5 wire cross-arm (7) is 4.5m；Layer 5 wire cross-arm (7) and layer 6 Spacing between wire cross-arm (8) is 4.5m；Spacing between layer 6 wire cross-arm (8) and layer 7 wire cross-arm (9) is 5.0m；Spacing between layer 7 wire cross-arm (9) and the 8th layer conductor cross-arm (10) is 4.5m；8th layer conductor cross-arm (10) Spacing between the 9th layer conductor cross-arm (11) is 4.5m.
- 4. transmission tower under the return cable terminals of 110kV six according to claim 1, it is characterised in that：First become slope at (12) with Vertical range between third layer wire cross-arm (5) is 2.5m, and first becomes at slope between (12) and the 4th layer conductor cross-arm (6) Vertical range is 2.5m, and second becomes vertical range at slope between (13) and the 9th layer conductor cross-arm (11) as 2.0m.
- 5. transmission tower under the return cable terminals of 110kV six according to claim 1, it is characterised in that：First layer cable platform (16) it is arranged at the lower plane of the second layer conductor cross-arm (4), width 2.0m；Second layer cable platform (17) is arranged on the 3rd At the lower plane of layer conductor cross-arm (5), width 2.0m；Third layer cable platform (18) is arranged on the 4th layer conductor cross-arm (6) Lower plane at, width 2.364m；4th layer of cable platform (19) is arranged at the lower plane of layer 5 wire cross-arm (7), Width is 3.018m；Layer 5 cable platform (20) is arranged at the lower plane of layer 6 wire cross-arm (8), and width is 3.673m；Layer 6 cable platform (21) is arranged at the lower plane of layer 7 wire cross-arm (9), width 4.4m；Layer 7 Cable platform (22) is arranged at the lower plane of the 8th layer conductor cross-arm (10), width 5.055m；8th layer of cable platform (23) it is arranged at the lower plane of the 9th layer conductor cross-arm (11), width 5.709m；9th layer of cable platform (24) is arranged on At the lower plane 4.5m of the layer conductor cross-arm (11) of distance the 9th, width 6.850m.
- 6. transmission tower under the return cable terminals of 110kV six according to claim 1, it is characterised in that：Described ground wire cross-arm leads to The top that earth wire support (2) is arranged on tower body (1) is crossed, the Liang Ge branches outermost end of the earth wire support (2) is into tower body (1) Axial line distance is 6.1m, and the height of the earth wire support (2) is 1.6m.
- 7. transmission tower under the return cable terminals of 110kV six according to claim 1, it is characterised in that：The main material of the tower body (1) Using Q420 angle steel, remaining rod member uses Q345 or Q235 angle steel, and the main material of the tower body (1) is connected by steel plate and angle steel Connect, and be fixed using double-nut bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721092218.XU CN207160717U (en) | 2017-08-29 | 2017-08-29 | Transmission tower under a kind of return cable terminals of 110kV six |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721092218.XU CN207160717U (en) | 2017-08-29 | 2017-08-29 | Transmission tower under a kind of return cable terminals of 110kV six |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207160717U true CN207160717U (en) | 2018-03-30 |
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ID=61718801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721092218.XU Active CN207160717U (en) | 2017-08-29 | 2017-08-29 | Transmission tower under a kind of return cable terminals of 110kV six |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207160717U (en) |
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2017
- 2017-08-29 CN CN201721092218.XU patent/CN207160717U/en active Active
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