CN203247930U - Electric transmission line tower adopting combined insulator - Google Patents
Electric transmission line tower adopting combined insulator Download PDFInfo
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- CN203247930U CN203247930U CN 201320291503 CN201320291503U CN203247930U CN 203247930 U CN203247930 U CN 203247930U CN 201320291503 CN201320291503 CN 201320291503 CN 201320291503 U CN201320291503 U CN 201320291503U CN 203247930 U CN203247930 U CN 203247930U
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- oblique pull
- support insulator
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Abstract
The utility model discloses an electric transmission line tower adopting a combined insulator, which comprises tower legs, a tower body and a tower head which are connected in sequence. The electric transmission line tower further comprises at least one set of the combined insulator arranged on the side face of the tower, wherein the combined insulator comprises a cable-stayed insulator and a supporting insulator; one end of the cable-stayed insulator is connected with the tower body, the other end of the cable-stayed insulator is connected with one end of the supporting insulator, the other end of the supporting insulator is connected with the tower body, and the connection point of the supporting insulator and the tower body is positioned below that of the cable-stayed insulator and the tower body; line hanging armour clamps are arranged at the ends of the supporting insulator, which are connected with the cable-stayed insulator. As the supporting insulator is hinged to the tower body, the bending moment generated by imbalanced tension of a guide line to the supporting insulator, the bending moment and torque generated by imbalanced tension of the guide line to the tower are eliminated, and the requirements to the strength of the supporting insulator and the tower are lowered; on the premise that the clearance to ground of the guide line is ensured, the electric transmission line tower decreases the tower height, and reduces the crankle effect caused by guide line load to the tower and the foundation load of the tower.
Description
Technical field
The utility model relates to the transmission line of electricity technical field, particularly relates to a kind of electric power line pole tower that adopts composite insulator.
Background technology
At present, the shaft tower of transmission line of electricity all adopts fixedly cross-arm both at home and abroad, be about to the cross-arm horizontal arrangement on the top of body of the tower, the cross-arm below arranges insulator string, is used for hanging wire, and wire is because own wt, icing or wind action, installation or accident conditions can produce load to shaft tower.
The tie point of cross-arm and body of the tower is the application point of the suffered conductor load of shaft tower body of the tower, in order to guarantee wire over the ground or to be crossed over thing enough safe distances are arranged, so that the application point of conductor load is higher, thereby the bending effect that cross-arm and body of the tower are subject to is larger, affects stability and the application life of tower structure.
Because being subject to the load that meteorological condition changes or inhomogeneous span, the front-and-back stop discrepancy in elevation etc. cause changes, particularly under broken string operating mode and inhomogeneous icing operating mode, fixedly cross-arm and body of the tower can bear larger longitudinal unbalance tension force, because the application point of conductor load is high, and is further obvious to the bending effect of body of the tower.
In addition, broken string or inhomogeneous icing situation lower wire are the major control loads of electric power line pole tower to the longitudinal unbalance tension force that shaft tower produces.In order to bear these loads, need to be designed with the shaft tower of certain redundant supporting capacity, thereby need to use a large amount of iron and steel, improved the work transmission line cost.
In view of this, how reducing the application point that shaft tower bears conductor load, reduce the longitudinal unbalance tension force that shaft tower bears, to reduce conductor load to the bending effect of shaft tower, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of electric power line pole tower that adopts composite insulator, and the design of this shaft tower can reduce conductor load to the bending effect of shaft tower, thereby reduces tower weight, and economical with materials effectively reduces construction costs.
For solving the problems of the technologies described above, the utility model provides a kind of electric power line pole tower that adopts composite insulator, comprises the tower leg, body of the tower and the tower head that connect in turn; Also comprise the some groups of composite insulators that formed by oblique pull insulator and support insulator that are arranged at the shaft tower side, one end of described oblique pull insulator is connected with described body of the tower, the other end is connected with an end of described support insulator, the other end of described support insulator is connected with described body of the tower, and its tie point is positioned at the below of described oblique pull insulator and described body of the tower tie point; Described support insulator is provided with the hanging wire gold utensil with the end that described oblique pull insulator is connected.
Preferably, the tie point of described support insulator and described oblique pull insulator is not less than the tie point of described support insulator and described body of the tower.
Preferably, described support insulator and described body of the tower are hinged, so that described support insulator can rotate around vertical axis.
Preferably, described oblique pull insulator is flexible piece, and an end and the described body of the tower of described oblique pull insulator are affixed or hinged.
Preferably, described oblique pull insulator is rigid member, and an end and the described body of the tower of described oblique pull insulator are hinged.
Preferably, described support insulator and described oblique pull insulator are all hinged with described body of the tower, so that described support insulator and described oblique pull insulator can rotate around vertical axis and horizontal axis.
Preferably, described support insulator is hinged by sleeve assembly and described body of the tower; The turning cylinder of described sleeve assembly vertically is fixed on the described body of the tower, and the rotational sleeve of described sleeve assembly is set in described turning cylinder, described support insulator and described sleeve to be connected otic placode hinged, and can rotate around horizontal axis.
Preferably, described oblique pull insulator is hinged by trunnion hanging panel and described body of the tower; The hinge of described trunnion hanging panel vertically is fixed in described body of the tower, and otic placode one end and the described hinge of described trunnion hanging panel are hinged, and can rotate around hinge, and the other end of described oblique pull insulator and described otic placode is hinged, and can rotate around horizontal axis.
Preferably, the tie point of described oblique pull insulator and described body of the tower is positioned at body of the tower middle part or body of the tower lateral surface.
Preferably, the tie point of described support insulator and described body of the tower is positioned at body of the tower middle part or body of the tower lateral surface.
Preferably, described oblique pull insulator or described support insulator are single or many parallel connections.
Preferably, the described some groups of composite insulators that are comprised of oblique pull insulator and support insulator of shaft tower side are symmetrical arranged or asymmetric setting along the body of the tower axis.
Relative above-mentioned background technology, the electric power line pole tower of employing composite insulator provided by the utility model has reduced the position of action point of conductor load that shaft tower bears by architecture advances, has reduced the longitudinal unbalance tension force that shaft tower bears.Particularly, the shaft tower side is provided with at least one group of composite insulator that is comprised of oblique pull insulator and support insulator in this programme, one end of oblique pull insulator is connected with body of the tower, the other end is connected with an end of support insulator, the other end of support insulator is connected with body of the tower, and its tie point is positioned at the below of oblique pull insulator and body of the tower tie point, and wherein, the end that support insulator is connected with the oblique pull insulator is provided with the hanging wire gold utensil.Under the prerequisite that guarantees the wire distance to the ground, compare with the wire cross-arm that arranges in the prior art, said structure provided by the utility model, the tie point of support insulator and body of the tower moves down with respect to the tie point of wire cross-arm and body of the tower; In the prior art, conductor load is the tie point of wire cross-arm and body of the tower to the application point of body of the tower, and in the set structure of the utility model, conductor load is the tie point of support insulator and body of the tower to the application point of body of the tower, so compared with prior art, structure provided by the utility model is arranged so that conductor load moves down the application point of body of the tower, and conductor load directly acts on body of the tower, reduce tower height, reduced the bending effect of conductor load to body of the tower.
In preferred version of the present utility model, the tie point of described support insulator and described oblique pull insulator is not less than the tie point of described support insulator and described body of the tower.The tie point that the setting of this kind structure more is conducive to support insulator and body of the tower moves down, and namely is more conducive to reduce conductor load to the application point of body of the tower, can further reduce moment of flexure and the moment of torsion of body of the tower.
In another preferred version of the present utility model, described support insulator and body of the tower are hinged, so that described support insulator can rotate around vertical axis.Because support insulator can be the shaft tower axial rotation around vertical axis, under broken string operating mode and inhomogeneous icing operating mode, rotation by support insulator is regulated, can reduce the Tension Difference between each grade wire, reduce the longitudinal unbalance tension force that body of the tower bears, thereby reduce the bending effect of body of the tower, also reduced the pole and tower foundation load simultaneously, be conducive to economical with materials, reduce construction costs.
In another preferred version of the present utility model, described support insulator and described oblique pull insulator can also rotate around horizontal axis on the basis that vertical axis rotates, and obviously, described oblique pull insulator and described body of the tower are hinged.For different transmission voltage grades, requirement to the wire horizontal range is different, because support insulator and oblique pull insulator can rotate around horizontal axis, so can regulate the wire horizontal range according to different transmission voltages, improve the versatility of described shaft tower.
Description of drawings
Fig. 1 provides the elevation of a kind of specific embodiment of electric power line pole tower for the utility model;
Fig. 2 is the position versus schematic diagram of shaft tower that the utility model provides and existing shaft tower stress action spot;
Fig. 3 is the structural representation of oblique pull insulator among Fig. 1, support insulator and a kind of embodiment of body of the tower pin joint;
Fig. 4 is the partial enlarged drawing of oblique pull insulator and body of the tower pin joint among Fig. 3;
Fig. 5, Fig. 6 are respectively elevation and the upward view of trunnion hanging panel among Fig. 4;
Fig. 7, Fig. 8 are respectively elevation and the left view of junction plate among Fig. 4;
Fig. 9 is the partial enlarged drawing of Fig. 3 B-C post insulator and body of the tower pin joint;
Figure 10 is the partial enlarged drawing of Fig. 9 middle sleeve assembly;
Figure 11 is the partial top view of Fig. 3 B-C post insulator and body of the tower pin joint;
Figure 12 is the structural representation of support insulator and body of the tower pin joint the second embodiment;
Figure 13 is the top view of combination articulated elements among Figure 12;
Figure 14 is the structural representation of support insulator and the third embodiment of body of the tower pin joint;
Figure 15 is applied to the schematic diagram of DC transmission system for electric power line pole tower that the utility model provides;
Figure 16 is applied to the schematic diagram of AC transmission system for electric power line pole tower that the utility model provides.
The specific embodiment
Core of the present utility model provides a kind of electric power line pole tower that adopts composite insulator, and the design of this shaft tower can reduce conductor load to the bending effect of shaft tower, thereby reduces tower weight and foundation load, and economical with materials effectively reduces construction costs.
In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 1 provides the elevation of a kind of specific embodiment of electric power line pole tower for the utility model.
As shown in Figure 1, the shaft tower 1 of this transmission line of electricity comprises tower leg 13, body of the tower 12 and the tower head 11 that connects in turn; The side of shaft tower 1 is provided with oblique pull insulator 3 and support insulator 2; Here, oblique pull insulator 3 and support insulator 2 form composite insulator, and the bearing assembly as hanging wire is arranged on shaft tower 1 side, as required, one or more groups oblique pull insulator 3 and support insulator 2 can be set.Particularly, oblique pull insulator 3 and support insulator 2 are arranged at body of the tower 12, and an end of oblique pull insulator 3 is connected with body of the tower 12, an end of other end connecting struts insulator 2, and the other end of support insulator 2 is connected with body of the tower 12; Wherein, the tie point of support insulator 2 and body of the tower 12 is positioned at the below of the tie point of oblique pull insulator 3 and body of the tower 12; The end that support insulator 2 is connected with oblique pull insulator 3 is provided with the hanging wire gold utensil 21 that articulates wire; Here, gold utensil refers to send electric wire widely used metal-ware.Wire can be articulated on the hanging wire gold utensil 21 of support insulator 2 by the hardware string (not shown).Wherein, oblique pull insulator 3 main bearing tensions, support insulator 2 mainly bears pressure.
Obviously, support insulator 2 is rigid member.
In said structure arranged, conductor load was the tie point of support insulator 2 and body of the tower 12 for the application point of body of the tower 12, compares with the structure that cross-arm is set in the prior art, and the application point of conductor load moves down.Particularly, can be with reference to figure 2, Fig. 2 is the position versus schematic diagram of shaft tower that the utility model provides and existing shaft tower stress action spot.
As can be seen from Figure 2, adopt cross-arm 2 ' structure of the prior art to articulate wire, conductor load is A to the application point of body of the tower 12; Under the prerequisite that guarantees wire distance to the ground d, adopt oblique pull insulator 3 of the present utility model and support insulator 2 combining structures to articulate wire, conductor load is B to the application point of body of the tower 12, obviously the position of application point B is lower than the position of application point A, that is to say, after adopting above-mentioned embodiment, conductor load moves down the application point of body of the tower 12, and conductor load directly acts on body of the tower, reduce tower height, reduced the bending effect to body of the tower 12, correspondingly reduced the tower leg load, more be conducive to economical with materials, reduce construction costs.
In the preferred embodiment, the tie point of support insulator 2 and oblique pull insulator 3 is not less than the tie point of support insulator 2 and body of the tower 12.Under the prerequisite that guarantees the wire distance to the ground, the setting of this kind structure more is conducive to the tie point of support insulator 2 with body of the tower 12 moved down, and namely is more conducive to reduce conductor load to the height of the application point of body of the tower 12, further reduces moment of flexure and the moment of torsion of body of the tower 12.
On the basis of above-described embodiment, support insulator 2 is articulated and connected with body of the tower 12, so that described support insulator 2 can be shaft tower 1 axial rotation around vertical axis.Under broken string operating mode and inhomogeneous icing operating mode, the suffered tension imbalance of each grade wire, because support insulator 2 can be around shaft tower 1 axial rotation, so can drive lead location by the rotation of support insulator 2 changes, thereby regulate the tension force of each grade wire, make it to be tending towards evenly to reduce the longitudinal unbalance tension force that shaft tower 1 bears, further reduce conductor load to the bending effect of body of the tower.
Wherein, oblique pull insulator 3 can be set to flexible piece, also can be set to rigid member.When oblique pull insulator 3 is flexible piece, one end and the body of the tower 12 of described oblique pull insulator 3 can be affixed, can not affect the rotation of support insulator 2, certainly for fear of in rotation process to the wearing and tearing of oblique pull insulator 3, also can an end and the body of the tower 12 of oblique pull insulator 3 is hinged; When oblique pull insulator 3 was rigid member, obviously, in order not affect the rotation of support insulator 2, an end and the body of the tower 12 of oblique pull insulator 3 were hinged.
Further, support insulator 2 and oblique pull insulator 3 are all hinged with body of the tower 12, so that on the basis of rotating around vertical axis, support insulator 2 and oblique pull insulator 3 can also rotate around horizontal axis; The horizontal axis here refers to take diagram shown in Figure 1 as benchmark, and is vertical with vertical axis and perpendicular to the axis of paper, hereinafter described similarly, repeats no more.
For different transmission voltage grades, requirement to the wire horizontal range is different, because support insulator 2 and oblique pull insulator 3 can rotate around horizontal axis, so can regulate the wire horizontal range according to different transmission voltages, improve the versatility of shaft tower 1.
The specific constructive form of following article oblique pull insulator 3 and body of the tower 12 pin joints and support insulator 2 and body of the tower 12 pin joints, the setting of this pin joint can either be rotated around vertical axis oblique pull insulator 3 and support insulator 2, can rotate around horizontal axis again; In actual the setting, rotate around vertical axis if only require oblique pull insulator 3 and support insulator 2, limit on the basis of the above it and get final product around the degree of freedom that horizontal axis rotates, repeat no more.
Please refer to Fig. 3 to Fig. 8; Fig. 3 is the structural representation of oblique pull insulator, support insulator and a kind of embodiment of body of the tower pin joint; Fig. 4 is the partial enlarged drawing of oblique pull insulator and body of the tower pin joint among Fig. 3; Fig. 5, Fig. 6 are respectively elevation and the upward view of trunnion hanging panel among Fig. 4; Fig. 7, Fig. 8 are respectively elevation and the left view of junction plate among Fig. 4.
Particularly, oblique pull insulator 3 can be hinged by trunnion hanging panel 4 with body of the tower 12.Described trunnion hanging panel 4 comprises hinge 41 and otic placode 42; Hinge 41 vertically is fixed on the body of the tower 12, and an end and the hinge 41 of otic placode 42 are hinged, and otic placode 43 can rotate around hinge 41, and the hinged oblique pull insulator 3 of the other end can rotate around horizontal axis oblique pull insulator 3.Particularly, oblique pull insulator 3 is hinged with the otic placode 42 of trunnion hanging panel 4 by junction plate 5; One end of junction plate 5 is hinged by jointed shaft 51 and otic placode 42, it can be rotated around horizontal axis, the other end of junction plate 5 is connected with oblique pull insulator 3 by connecting axle 52, so, oblique pull insulator 3 both can rotate around vertical axis by junction plate 5 and trunnion hanging panel 4, can rotate around horizontal axis again.
Wherein, the two ends of hinge 41 can arrange nut 43, by nut 43 trunnion hanging panel 4 are fixed on the body of the tower 12, are convenient to maintenance and replacing to trunnion hanging panel 4; Further, cottor pin 44 can also be set, described cottor pin 44 is positioned at nut 43 outsides after tightening.The outside of cottor pin 44 being located at nut 43 can stop nut 43 outwards to slide, thereby prevents that nut 43 is issuable loosening in long-term use procedure, has further improved the reliability that trunnion hanging panel 4 uses.
Similarly, also nut 53 and cottor pin 54 can be set at the two ends of jointed shaft 51 and connecting axle 52, the reliability of using to improve junction plate 5.
Please refer to Fig. 9, Figure 10 and Figure 11; Fig. 9 is the partial enlarged drawing of Fig. 3 B-C post insulator and body of the tower pin joint; Figure 10 is the partial enlarged drawing of Fig. 9 middle sleeve assembly; Figure 11 is the partial top view of Fig. 3 B-C post insulator and body of the tower pin joint.
Particularly, support insulator 2 is hinged by sleeve assembly 6 and body of the tower 12.Particularly, sleeve assembly 6 comprises the fixed axis 62 that is fixed on the base plate 61 and the sleeve 63 that is set in fixed axis 62, and wherein, the axis of fixed axis 62 is parallel with vertical axis, and sleeve 63 can rotate around fixed axis 62; Also be installed with on the periphery wall of sleeve 63 and connect otic placode 64, support insulator 2 by otic placode bolt 65 with to be connected otic placode 64 hinged, the rotation take otic placode bolt 65 as axle, wherein the axis of otic placode bolt 65 is parallel with horizontal axis; So, support insulator 2 both can rotate around vertical axis, can rotate around horizontal axis again; Wherein, in order to improve the shear resistance of otic placode bolt 65, can arrange two on sleeve 63 periphery walls and connect otic placode 64, the hinged end of support insulator 2 arranges three clamps 22, during assembling, two connect otic placode 64 and are fastened on respectively between three clamps 22, as shown in figure 11.
Depart from fixed axis 62 for fear of operation process middle sleeve 63, above sleeve 63, also be provided with top board 66; Particularly, the upper end of fixed axis 62 arranges threaded portion 621, and top board 66 is set in threaded portion 621 and screws by nut 67, so, sleeve 63 can be limited between base plate 61 and the top board 66; Become flexible in order to prevent that nut 67 produces in the long-term use procedure, can stop nut 67 outwards to slide in nut 67 arranged outside cottor pins 68, increase the functional reliability of sleeve assembly 6.
Further, in order to improve the job stability of fixed axis 62, can stiffener 661 be set at top board 66.
Please refer to Figure 12 and Figure 13; Figure 12 is the structural representation of support insulator and body of the tower pin joint the second embodiment; Figure 13 is the top view of combination articulated elements among Figure 12.
Certainly support insulator 2 can by ball pivot 8 realize also that with the hinged of body of the tower 12 as shown in figure 14, Figure 14 is the structural representation of support insulator and the third embodiment of body of the tower pin joint.
Particularly, at body of the tower 12 bowl 81 is set, arranges on the support insulator 2 and bowl 81 bulb that cooperate 82, realize the rotation of support insulator 2 by the rotation of bulb 82.
Comparatively speaking, when adopting combination articulated elements 7, there is larger frictional force between the articulated slab 72 and dull and stereotyped 71, might stops pin joint around the rotation of vertical axis; When adopting ball pivot 8, the frictional force between bulb 82 and the bowl 81 is also larger, may hinder the rotation of pin joint, and the contact position wearing and tearing of bulb 82 and bowl 81 are more serious, are unfavorable for maintenance; Sleeve assembly 6 simple in structure, power transmission is clear and definite, can realize preferably the rotation requirement of pin joint; Therefore, when actual the setting, preferably the structure of sleeve assembly 6 realizes the hinged of support insulator 2 and body of the tower 12.
Further, the pin joint of support insulator 2 and body of the tower 12 can be built in the body of the tower middle part, oblique pull insulator 3 also is built in the body of the tower middle part with the tie point of body of the tower 12; The body of the tower middle part here refers to the center of body of the tower cross section; The stress point that is about to body of the tower 12 is arranged at the body of the tower middle part, can make the stressed even of body of the tower 12, further reduces the bending effect to body of the tower 12; In addition, the entire length of support insulator 2 is controlled by insulated lengths, and the pin joint of support insulator 2 is built in the body of the tower middle part, can reduce width of corridor.Particularly, can the truncated rectangular pyramids that be made of angle iron component be set in the position of body of the tower pin joint, four angles of truncated rectangular pyramids bottom surface are affixed with the main material of body of the tower 12 respectively, articulated elements is arranged at the center of truncated rectangular pyramids end face, so, not only can increase the reliability of support insulator 2 and body of the tower 12 pin joints, the setting of truncated rectangular pyramids structure also can be played the effect of reinforcing rib.Certainly, articulated elements also can be by other means with being connected of body of the tower 12.In actual the setting, the tie point of oblique pull insulator 3 or support insulator 2 and body of the tower 12 is arranged at the body of the tower lateral surface also is fine.
In the various embodiments described above, oblique pull insulator 3 and support insulator 2 all can adopt with the composite material of silicon rubber cluster parachute and make, and oblique pull insulator 3 and support insulator 2 are insulating part.
Required according to reality, oblique pull insulator 3 or the support insulator 2 of composite insulator can also be set to many parallel connections, guarantee the reasonable stress of oblique pull insulator 3 or support insulator 2, can it be linked by gold utensil between the many support insulators 2, avoid support insulator 2 to rotate the asynchronous wire bending that causes.
Here the shaft tower 1 that also it is pointed out that above-mentioned transmission line of electricity can be applied to DC transmission system, and at this moment, if the direct current one pole, then shaft tower 1 side arranges one group of oblique pull insulator 3 and support insulator 2 at least; If DC bipolar, then shaft tower 1 side arranges two groups of oblique pull insulators 3 and support insulator 2 at least, as shown in figure 15; The shaft tower 1 of described transmission line of electricity can also be applied to AC transmission system, and at this moment, shaft tower 1 side arranges three groups of oblique pull insulators 3 and support insulator 2 at least, as shown in figure 16.
In order to ensure shaft tower 1 stress balance, many groups oblique pull insulator 3 and support insulator 2 in shaft tower 1 side can be symmetrical arranged along the body of the tower axis, as shown in Figure 15 and Figure 16, certainly, when actual the setting, can not guarantee the strict symmetry on the mathematical meaning, here as long as so that shaft tower 1 reasonable stress.
More than the electric power line pole tower of employing composite insulator provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (12)
1. an electric power line pole tower that adopts composite insulator comprises the tower leg, body of the tower and the tower head that connect in turn; It is characterized in that, also comprise at least one group of composite insulator that is formed by oblique pull insulator and support insulator that is arranged at the shaft tower side, one end of described oblique pull insulator is connected with described body of the tower, the other end is connected with an end of described support insulator, the other end of described support insulator is connected with described body of the tower, and its tie point is positioned at the below of described oblique pull insulator and described body of the tower tie point; Described support insulator is provided with the hanging wire gold utensil with the end that described oblique pull insulator is connected.
2. the electric power line pole tower of employing composite insulator as claimed in claim 1 is characterized in that, the tie point of described support insulator and described oblique pull insulator is not less than the tie point of described support insulator and described body of the tower.
3. the electric power line pole tower of employing composite insulator as claimed in claim 2 is characterized in that, described support insulator and described body of the tower are hinged, so that described support insulator can rotate around vertical axis.
4. the electric power line pole tower of employing composite insulator as claimed in claim 3 is characterized in that, described oblique pull insulator is flexible piece, and an end and the described body of the tower of described oblique pull insulator are affixed or hinged.
5. the electric power line pole tower of employing composite insulator as claimed in claim 3 is characterized in that, described oblique pull insulator is rigid member, and an end and the described body of the tower of described oblique pull insulator are hinged.
6. the electric power line pole tower of employing composite insulator as claimed in claim 2, it is characterized in that, described support insulator and described oblique pull insulator are all hinged with described body of the tower, so that described support insulator and described oblique pull insulator can rotate around vertical axis and horizontal axis.
7. the electric power line pole tower of employing composite insulator as claimed in claim 6 is characterized in that, described support insulator is hinged by sleeve assembly and described body of the tower; The turning cylinder of described sleeve assembly vertically is fixed on the described body of the tower, and the rotational sleeve of described sleeve assembly is set in described turning cylinder, described support insulator and described sleeve to be connected otic placode hinged, and can rotate around horizontal axis.
8. the electric power line pole tower of employing composite insulator as claimed in claim 6 is characterized in that, described oblique pull insulator is hinged by trunnion hanging panel and described body of the tower; The hinge of described trunnion hanging panel vertically is fixed in described body of the tower, and otic placode one end and the described hinge of described trunnion hanging panel are hinged, and can rotate around hinge, and the other end of described oblique pull insulator and described otic placode is hinged, and can rotate around horizontal axis.
9. such as the electric power line pole tower of each described employing composite insulator of claim 1 to 8, it is characterized in that the tie point of described oblique pull insulator and described body of the tower is positioned at body of the tower middle part or body of the tower lateral surface.
10. such as the electric power line pole tower of each described employing composite insulator of claim 1 to 8, it is characterized in that the tie point of described support insulator and described body of the tower is positioned at body of the tower middle part or body of the tower lateral surface.
11. the electric power line pole tower such as each described employing composite insulator of claim 1 to 8 is characterized in that, described oblique pull insulator or described support insulator are single or many parallel connections.
12. the electric power line pole tower such as each described employing composite insulator of claim 1 to 8, it is characterized in that the described some groups of composite insulators that are comprised of oblique pull insulator and support insulator of shaft tower side are symmetrical arranged or asymmetric setting along the body of the tower axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320291503 CN203247930U (en) | 2013-05-24 | 2013-05-24 | Electric transmission line tower adopting combined insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320291503 CN203247930U (en) | 2013-05-24 | 2013-05-24 | Electric transmission line tower adopting combined insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203247930U true CN203247930U (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320291503 Expired - Lifetime CN203247930U (en) | 2013-05-24 | 2013-05-24 | Electric transmission line tower adopting combined insulator |
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| CN (1) | CN203247930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276939A (en) * | 2013-05-24 | 2013-09-04 | 国家电网公司 | Electric transmission line tower using composite insulators |
| WO2022179103A1 (en) * | 2021-02-24 | 2022-09-01 | 江苏神马电力股份有限公司 | Composite cross arm and power transmission tower |
-
2013
- 2013-05-24 CN CN 201320291503 patent/CN203247930U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276939A (en) * | 2013-05-24 | 2013-09-04 | 国家电网公司 | Electric transmission line tower using composite insulators |
| WO2022179103A1 (en) * | 2021-02-24 | 2022-09-01 | 江苏神马电力股份有限公司 | Composite cross arm and power transmission tower |
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