CN205046910U - Power transmission tower - Google Patents

Power transmission tower Download PDF

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Publication number
CN205046910U
CN205046910U CN201520697201.1U CN201520697201U CN205046910U CN 205046910 U CN205046910 U CN 205046910U CN 201520697201 U CN201520697201 U CN 201520697201U CN 205046910 U CN205046910 U CN 205046910U
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China
Prior art keywords
insulator
power transmission
tower
cross arm
cross
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CN201520697201.1U
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Chinese (zh)
Inventor
马斌
郁杰
邱勇
廖宗高
赵峥
袁志磊
李亮
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China Power Engineering Consulting Group East China Electric Power Design Institute Co Ltd
Jiangsu Shenma Electric Power Co Ltd
Original Assignee
China Power Engineering Consulting Group East China Electric Power Design Institute Co Ltd
Jiangsu Shenma Electric Power Co Ltd
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Priority to CN201520697201.1U priority Critical patent/CN205046910U/en
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Abstract

The utility model provides a power transmission tower, is including vertical body of the tower that sets up and set up the cross arm on the body of the tower. Be provided with the first horizontal of mutually perpendicular and the second is horizontal on the horizontal direction, power transmission tower is equipped with from body of the tower along the first horizontal outside support piece who extends, and support piece's one end is fixed on the body of the tower, and the other end is the free end. The cross arm includes that two are listed as cross arm insulator and at least one and draw the insulator to one side, and two are listed as cross arm insulator arranges into the V style of calligraphy relatively each other. One section of being close to the body of the tower of cross arm insulator is the head end, and one section that keeps away from the body of the tower is terminal, at least one cross arm insulator's head end is connected on above -mentioned free end. Cross arm insulator outside and upwards extend along the second is horizontal from its head end, and two end -to -end connections that are listed as cross arm insulator are in V word summit department. Draw the one end of insulator to connect the head end top at cross arm insulator to one side on the body of the tower, the other end that draws the insulator is to one side connected in V word summit department. Last at least one the above -mentioned cross arm that sets up of power transmission tower.

Description

A kind of power transmission tower
Technical field
The present invention relates to a kind of transmission of electricity insulator arrangement field, specifically a kind of power transmission tower.
Background technology
In overhead transmission line, transmission tower plays the effect of support wire, and specifically wire hangs over the free end of the cross-arm of power transmission tower.The cross-arm of tradition power transmission tower is metal product, due to the electric conductivity of metal material, must arrange suspension insulator by the free end of cross-arm, play the insulating effect between wire and cross-arm on power transmission tower.After considering wind pendulum, wire need have certain insulation distance with power transmission tower, considering to increase cross-arm length, cost can be caused like this to increase, also cause land resources to waste when designing cross-arm.
The use of present compound cross-arm slowly becomes a kind of trend, and relative to the advantage of traditional cross-arm, compound cross-arm is that himself has insulating properties, so eliminate suspension insulator.But it is large still to there is line corridor width in power transmission tower; For the circuit of certain voltage grade, tower height high cost is large; The problems such as the loading resistance power that the compound cross-arm on power transmission tower brings wind and wire is not enough.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of power transmission tower being provided with compound cross-arm, reduces line corridor width; For the circuit of certain voltage grade, reduce tower height; Enhance the resistivity of compound cross-arm to load.
For realizing above-mentioned utility model object, the technical scheme that the utility model adopts is as follows: a kind of power transmission tower, comprise the tower body longitudinally arranged and the cross-arm be arranged on above-mentioned tower body, be provided with orthogonal first transverse direction and second in the horizontal direction laterally, above-mentioned power transmission tower is provided with from above-mentioned tower body along the above-mentioned first horizontal outward extending support member, one end of above-mentioned support member is fixed on above-mentioned tower body, the other end of above-mentioned support member is free end, above-mentioned cross-arm comprises two row cross arm insulators and at least one row oblique pull insulator, the above-mentioned cross arm insulator of two row is arranged to V-shape relative to each other, above-mentioned cross arm insulator is head end near a section of above-mentioned tower body, one section away from above-mentioned tower body is end, the head end of the above-mentioned cross arm insulator of at least one row is connected on above-mentioned free end, above-mentioned cross arm insulator laterally outwards also upwards extends along above-mentioned second from above-mentioned head end, the end of the above-mentioned cross arm insulator of two row is connected to V word summit place, on above-mentioned tower body above the head end that one end of above-mentioned oblique pull insulator is connected to above-mentioned cross arm insulator, the other end of above-mentioned oblique pull insulator is connected to V word summit place, above-mentioned power transmission tower is arranged at least one above-mentioned cross-arm.
The V word angle that the connection of above-mentioned at least one row cross arm insulator and above-mentioned support member makes two row cross arm insulators be formed increases, thus enhances the resistivity of cross-arm to the wind load of horizontal direction and wire unbalanced tensile force.Above-mentioned cross arm insulator laterally outwards also upwards extends along second from its head end, so cross-arm entirety tilts upward, further enhancing the resistance of cross-arm to vertical direction load.For acclivitous cross-arm, its line corridor width is that it projects to the width of horizontal plane, so relative to horizontally disposed cross-arm, which reduce line corridor.The minimum height of exhaling that the circuit of certain voltage grade can set is certain, relative to the horizontally disposed cross-arm of use, uses acclivitous cross-arm can reduce power transmission tower tower height, cost-saving.
Preferably, above-mentioned support member laterally outwards also upwards extends along above-mentioned first from above-mentioned tower body.Above-mentioned support member is set to tilt upward, improves the starting point of above-mentioned cross arm insulator head end, reduce further power transmission tower tower height.
Preferably, above-mentioned power transmission tower is provided with two the symmetrical above-mentioned support members laterally outwards also upwards extended along above-mentioned first from above-mentioned tower body, corresponding, the head end often arranging above-mentioned cross arm insulator is all connected on above-mentioned free end.
The head end of two row cross arm insulators of cross-arm is connected with symmetrical support member respectively, and the V word that two row cross arm insulators are formed also is axisymmetric, and two row cross arm insulators evenly bear the active force of wire to cross-arm, ensure that the reliability of cross-arm entirety.
Preferably, often arranging above-mentioned cross arm insulator can be a cross arm insulator, also can be that yi word pattern links together and forms by two or three cross arm insulators by flange.
Often row cross arm insulator can be formed by connecting by many cross arm insulators, so just can adjust the length of often row cross arm insulator as required.
Preferably, above-mentioned cross-arm comprises the above-mentioned oblique pull insulator of two row.Oblique pull insulator is set in cross-arm, the power that cross-arm is subject to can be shared, reduce the moment of flexure of cross arm insulator root, make cross arm insulator mainly by along the pressure in himself direction or pulling force.
Preferably, often arranging above-mentioned oblique pull insulator can be an oblique pull insulator, also can be that yi word pattern is formed by connecting by two or three oblique pull insulators by flange.
The length of often row oblique pull insulator can be adjusted according to the distance often arranged between above-mentioned oblique pull insulator head and the tail hanging point.
Preferably, above-mentioned power transmission tower also comprises auxiliary oblique pull part, and this auxiliary oblique pull part one end is connected on the tower body of the top of above-mentioned support member and above-mentioned tower body fixed point, and the other end of auxiliary oblique pull part is fixed on above-mentioned free end.
Auxiliary oblique pull part is set above above-mentioned support member, has shared the power that support member is born, enhanced the reliability of support member.
Preferably, above-mentioned auxiliary oblique pull part is auxiliary diagonal member or auxiliary oblique pull insulator.
Auxiliary diagonal member structure is simple, auxiliary oblique pull insulator light weight, corrosion-resistant.
Preferably, above-mentioned cross-arm is compound cross-arm.Compound cross-arm makes whole tower weight saving, has the advantages such as corrosion-resistant and non-maintaining simultaneously.
Preferably, above-mentioned support member is insulation materials.Above-mentioned support member also has light weight, the advantage such as corrosion-resistant.
Accompanying drawing explanation
Fig. 1 is the stereogram of the utility model embodiment one.
Fig. 2 is the right view of the utility model embodiment one.
Fig. 3 is the front view of the utility model embodiment one.
Fig. 4 is the stereogram of the utility model embodiment two.
Fig. 5 is the stereogram of the utility model embodiment three.
Fig. 6 is the right view of the utility model embodiment three.
Detailed description of the invention
As requested, the specific embodiment of the present invention will be disclosed here.But should be understood that, embodiment disclosed is here only exemplary of the present invention, and it can be presented as various forms.Therefore, here the detail disclosed is not considered to restrictive, and be only as the basis of claim and as instructing those skilled in the art differently to apply representational basis of the present invention in appropriate mode any in reality, the various features comprising employing disclosed here also combine the feature that may clearly not disclose here.
Embodiment one:
As shown in Figure 1, the power transmission tower in the present embodiment comprises the tower body 1 and the cross-arm 2 be arranged on tower body 1 and support member 3 that longitudinally arrange.Define orthogonal first horizontal X and the second horizontal Y in the horizontal direction.
As shown in Figure 2, tower body 1 arranges two symmetrical support members 3 be made up of insulation materials along the first horizontal X, support member 3 from tower body 1 along above-mentioned first horizontal X outwards and upwards extend.One end of support member 3 is connected on tower body 1, and the other end is free end 4.
As shown in figures 1 and 3, tower body 1 is provided with cross-arm 2 along the second horizontal Y.Cross-arm 2 comprises two cross arm insulators 5 and two oblique pull insulators 6.Two cross arm insulators 5 are arranged to V-shape relative to each other.Cross arm insulator 5 is head end 7 near one end of tower body 1, and the one end away from tower body 1 is end, and the head end 7 of two cross arm insulators 5 is all connected on free end 4.The V-shape of two cross arm insulator 5 formation is overall outwards also upwards to be extended from free end 4 on the second horizontal Y, and the V-shape entirety place plane of two cross arm insulator 5 formation and horizontal plane are in an angle.Two oblique pull insulator 6 one end are connected to V word summit 8 place, on the tower body 1 above the head end 7 that the other end is connected to cross arm insulator 5.
Tower body 1 is provided with auxiliary diagonal member 9, one end of auxiliary diagonal member 9 is connected to the top of support member 3 and tower body 1 fixed point 10, and the free end 4 of the other end and support member 3 links together.
Two support members 3 are symmetricly set on the first horizontal X, cross-arm 2 is arranged on the second horizontal Y, and the head end 7 of cross arm insulator 5 is all connected with the free end 4 of support member 3, the V word opening that two cross arm insulators 5 are formed increases, thus enhances the resistivity of cross-arm 2 pairs of wind loads and wire unbalanced tensile force.The V word entirety formed due to cross arm insulator 5 outwards also upwards extends from free end 4 on the second horizontal Y, with horizontal plane in an angle, so its line corridor width is it project to the width of horizontal plane, less relative to the length of itself, and increase power transmission tower exhale height.Due to support member 3 from tower body 1 along above-mentioned first horizontal X outwards and upwards extend, so further increase power transmission tower exhale height.Auxiliary diagonal member 9 has shared the power that support member 3 is born, and enhances the reliability of support member 3.
Support member 3 outwards also upwards extends along above-mentioned first horizontal X from tower body 1 in the present embodiment, and obvious support member also can only stretch out along the first horizontal X, namely only plays the effect increasing V-shape opening.
Embodiment two:
As shown in Figure 4, other are identical with embodiment one in the present embodiment, difference is that cross arm insulator is formed by Flange joint by cross arm insulator 5-1 and cross arm insulator 5-2, and oblique pull insulator is formed by Flange joint by oblique pull insulator 6-1 and oblique pull insulator 6-2.
Cross arm insulator 5 and oblique pull insulator 6 are all form an entirety by two component parts in the present embodiment.Increase the flexibility of cross arm insulator and oblique pull insulator length, only need the product producing small-sized to assemble again simultaneously, make production and transport convenient.Because other settings of the present embodiment are identical with embodiment one, so the present embodiment equally also has the beneficial effect in embodiment one.
Embodiment three:
As shown in Figure 5 and Figure 6, the power transmission tower in the present embodiment comprises the tower body 1 and the cross-arm 12 be arranged on tower body 11 and support member 13 that longitudinally arrange.Define orthogonal first horizontal X and the second horizontal Y in the horizontal direction.
Support member 13 outwards also upwards extends along above-mentioned first horizontal X from tower body 11.One end of support member 13 is connected on tower body 11, and the other end is free end 14.
Tower body 11 is provided with cross-arm 12 along the second horizontal Y.Cross-arm 12 comprises two cross arm insulators 15 and an oblique pull insulator 16.Two cross arm insulators 15 are arranged to V-shape relative to each other.Cross arm insulator 15 is head end 17 near one end of tower body 11, and the one end away from tower body 11 is end.The head end 17 of a cross arm insulator 151 is connected directly between on tower body 11, and the head end 17 of another root cross arm insulator 152 is connected on free end 14.Cross arm insulator 151 and cross arm insulator 152 all also upwards extend along the second horizontal Y-direction is outer from its head end 17, and the overall place plane of V-shape of two cross arm insulator 15 formation and horizontal plane are in an angle.Oblique pull insulator 16 one end is connected to V word summit 18 place, on the tower body 11 above the head end 17 that the other end is connected to cross arm insulator 15.
Tower body 11 is provided with auxiliary oblique pull insulator 19, one end of auxiliary oblique pull insulator 19 is connected to the top of support member 13 and tower body 11 fixed point 20, and the free end 14 of the other end and support member 13 links together.
The head end of cross arm insulator 152 is connected on free end 14, so all directly connect the V-shape cross-arm structure on tower body compared to two cross arm insulators, the V-shape opening that in the present embodiment, cross arm insulator 152 and cross arm insulator 151 are formed is larger, also larger to the resistivity of wind load and wire unbalanced tensile force.Cross arm insulator 151 and cross arm insulator 152 all also upwards extend along the second horizontal Y-direction is outer from its head end 17, so the overall place plane of V-shape that formed of two cross arm insulators 15 and horizontal plane are in an angle, thus the cross-arm structure in the present embodiment increase power transmission tower exhale height.The setting of oblique pull insulator 16 further enhancing the resistivity of cross-arm 12 pairs of wind loads and wire unbalanced tensile force.
Support member 13 outwards also upwards extends along above-mentioned first horizontal X from tower body 11 in the present embodiment, and obvious support member also can only stretch out along above-mentioned first horizontal X from tower body 11.In the present embodiment, oblique pull insulator 16 only has one, obviously also can arrange two oblique pull insulators.
Technology contents of the present invention and technical characterstic have disclosed as above; but be appreciated that; under creative ideas of the present invention; those skilled in the art can make various changes said structure and material and improve; comprise the combination of disclosure or claimed technical characteristic separately here, comprise other combination of these features significantly.These distortion and/or combination all fall in technical field involved in the present invention, and fall into the protection domain of the claims in the present invention.

Claims (10)

1. a power transmission tower, comprise the tower body longitudinally arranged and the cross-arm be arranged on described tower body, it is characterized in that: be provided with orthogonal first transverse direction and second in the horizontal direction laterally, described power transmission tower is provided with from described tower body along the described first horizontal outward extending support member, one end of described support member is fixed on described tower body, the other end of described support member is free end, described cross-arm comprises two row cross arm insulators and at least one row oblique pull insulator, the described cross arm insulator of two row is arranged to V-shape relative to each other, described cross arm insulator is head end near a section of described tower body, one section away from described tower body is end, the head end of the described cross arm insulator of at least one row is connected on described free end, described cross arm insulator laterally outwards also upwards extends along described second from described head end, the end of the described cross arm insulator of two row is connected to V word summit place, on described tower body above the head end that one end of described oblique pull insulator is connected to described cross arm insulator, the other end of described oblique pull insulator is connected to V word summit place, described power transmission tower is arranged cross-arm described at least one.
2. power transmission tower as claimed in claim 1, is characterized in that: described support member laterally outwards also upwards extends along described first from described tower body.
3. power transmission tower as claimed in claim 2, it is characterized in that: described power transmission tower is provided with two the symmetrical described support members laterally outwards also upwards extended along described first from described tower body, corresponding, the head end often arranging described cross arm insulator is all connected on described free end.
4. power transmission tower as claimed in claim 1, is characterized in that: often arranging described cross arm insulator can be a cross arm insulator, also can be that yi word pattern links together and forms by two or three cross arm insulators by flange.
5. power transmission tower as claimed in claim 1, is characterized in that: described cross-arm comprises the described oblique pull insulator of two row.
6. power transmission tower as claimed in claim 5, is characterized in that: often arranging described oblique pull insulator can be an oblique pull insulator, also can be that yi word pattern is formed by connecting by two or three oblique pull insulators by flange.
7. power transmission tower as claimed in claim 1, it is characterized in that: described power transmission tower also comprises auxiliary oblique pull part, described auxiliary oblique pull part one end is connected on the tower body of the top of described support member and described tower body fixed point, and the other end of described auxiliary oblique pull part is fixed on described free end.
8. power transmission tower as claimed in claim 7, is characterized in that: described auxiliary oblique pull part is auxiliary diagonal member or auxiliary oblique pull insulator.
9. the power transmission tower according to any one of claim 1-8, is characterized in that: described cross-arm is compound cross-arm.
10. power transmission tower as claimed in claim 9, is characterized in that: described support member is insulation materials.
CN201520697201.1U 2015-09-09 2015-09-09 Power transmission tower Active CN205046910U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520697201.1U CN205046910U (en) 2015-09-09 2015-09-09 Power transmission tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520697201.1U CN205046910U (en) 2015-09-09 2015-09-09 Power transmission tower

Publications (1)

Publication Number Publication Date
CN205046910U true CN205046910U (en) 2016-02-24

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN205046910U (en)

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