CN216197038U - Double-loop pi connects strain insulator steel pipe pole - Google Patents
Double-loop pi connects strain insulator steel pipe pole Download PDFInfo
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- CN216197038U CN216197038U CN202122700220.3U CN202122700220U CN216197038U CN 216197038 U CN216197038 U CN 216197038U CN 202122700220 U CN202122700220 U CN 202122700220U CN 216197038 U CN216197038 U CN 216197038U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 26
- 239000010959 steel Substances 0.000 title claims abstract description 26
- 239000012211 strain insulator Substances 0.000 title claims abstract description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
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Abstract
The utility model discloses a double-loop pi-connection strain steel pipe pole, and relates to the technical field of power grid equipment. A double-loop pi connects strain insulator steel pipe pole includes: the ground wire support is arranged at one end of the main rod; the wire cross arm unit includes: the upper layer wire cross arm, the middle layer wire cross arm and the lower layer wire cross arm are arranged on the main rod at intervals; the ground wire support includes: ground wire supports cross arm and ground wire cross arm, and upper wire cross arm, middle level wire cross arm and lower floor's wire cross arm all include: a wire support cross arm and a wire cross arm; the ground wire supporting cross arm and the ground wire cross arm form an I-shaped structure, and the wire supporting cross arm and the wire cross arm form an I-shaped structure. The double-loop pi-connection strain steel pipe pole provided by the embodiment of the utility model can realize double-loop pi connection through three layers of lead cross arm units, and can reduce the number of cross arm layers, the overall height of the pole tower and the floor area, thereby reducing the construction cost and the operation and maintenance difficulty.
Description
Technical Field
The utility model relates to the technical field of power grid equipment, in particular to a double-loop pi-connection strain steel pipe rod.
Background
With the continuous development of power grids, 110 KV overhead transmission lines in cities increase year by year, lines erected along urban roads are mostly double-circuit lines on the same pole, and the situation that people need to open a Pi line to enter a transformer substation frequently occurs in combination with the system development and the engineering practical situation.
At present, in the prior art, as shown in fig. 1, a cross tower is usually adopted to realize double-loop pi connection, but the number of layers of a cross arm in the tower is large (eight layers are shown in the figure), the height is high, and the reduction of the floor area of the tower is not facilitated.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model aims to provide a double-loop pi-connection strain steel pipe pole, which can realize double-loop pi connection through three layers of lead cross arm units, reduce the number of cross arm layers, reduce the overall height of the pole tower, reduce the occupied area and further reduce the construction cost and the operation and maintenance difficulty.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the embodiment of the utility model provides a double-loop pi-connection strain steel pipe pole, which comprises: the ground wire support is arranged at one end of the main rod; the wire cross arm unit includes: the upper layer wire cross arm, the middle layer wire cross arm and the lower layer wire cross arm are arranged on the main rod at intervals; the ground wire bracket includes: ground wire supports cross arm and ground wire cross arm, upper strata wire cross arm middle level wire cross arm with lower floor's wire cross arm all includes: a wire support cross arm and a wire cross arm; the ground wire supporting cross arm and the ground wire cross arm form an I-shaped structure, and the wire supporting cross arm and the wire cross arm form an I-shaped structure.
In some embodiments, the ground wire support cross arm is disposed at a side of the main rod, and the ground wire cross arm is disposed at an end of the ground wire support cross arm.
In some embodiments, two ground wire supporting cross arms are provided, and the two ground wire supporting cross arms are respectively disposed on two sides of the main rod and are symmetrically disposed about the central axis of the main rod.
In some embodiments, two ground wire cross arms are arranged at the end part of the ground wire support cross arm, and the two ground wire cross arms are arranged at two sides of the end part of the ground wire support cross arm and are symmetrically arranged with the central axis of the ground wire support cross arm.
In some embodiments, the upper level wire cross-arm comprises: an upper wire support cross arm and an upper wire cross arm; go up the wire support cross arm set up in the side of mobile jib, go up the wire cross arm set up in the tip of going up the wire support cross arm.
In some embodiments, the mid-level wire cross-arm comprises: the middle lead support cross arm and the middle lead cross arm; the middle wire support cross arm is arranged on the side edge of the main rod, and the middle wire cross arm is arranged at the end part of the middle wire support cross arm.
In some embodiments, the lower wire cross-arm comprises: a lower wire support cross arm and a lower wire cross arm; lower wire support cross arm set up in the side of mobile jib, lower wire cross arm set up in the tip of lower wire support cross arm.
In some embodiments, two wire support cross arms are provided, and the two wire support cross arms are respectively disposed on two sides of the main rod and are symmetrically disposed about the central axis of the main rod.
In some embodiments, two wire cross arms are arranged at the end part of the wire support cross arm, and the two wire cross arms are arranged at two sides of the end part of the wire support cross arm and are symmetrically arranged with the central axis of the wire support cross arm.
The utility model provides a double-loop pi-connection strain steel pipe pole, which is characterized in that through arranging three layers of lead cross arm units, namely an upper layer lead cross arm, a middle layer lead cross arm and a lower layer lead cross arm, double-loop pi connection is realized, the number of cross arm layers can be reduced, the overall height of a pole tower is reduced, bending moment generated by external load is reduced, the diameter of the root of a main pole can be reduced, the occupied area is reduced, the engineering cost and operation and maintenance difficulty are further reduced, and the capital is saved for lines.
Drawings
In order to more clearly illustrate the technical solutions in the present disclosure, the drawings needed to be used in some embodiments of the present disclosure will be briefly described below, and it is apparent that the drawings in the following description are only drawings of some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art according to the drawings. Furthermore, the drawings in the following description may be regarded as schematic diagrams and are not intended to limit the actual size of products, the actual flow of methods, and the like, involved in the embodiments of the present disclosure.
FIG. 1 is a structural diagram of a Pi strain-connected steel pipe rod in the prior art;
FIG. 2 is a block diagram of a dual-circuit pi-junction strain-resistant steel pipe pole according to some embodiments of the present disclosure;
fig. 3 is a top view block diagram of a ground bracket according to some embodiments of the present disclosure;
FIG. 4 is a top view block diagram of an upper level wire cross arm in accordance with some embodiments of the present disclosure;
FIG. 5 is a top view block diagram of a mid-level wire cross-arm in accordance with some embodiments of the present disclosure;
fig. 6 is a top view block diagram of a lower wire cross-arm in accordance with some embodiments of the present disclosure.
Detailed Description
Technical solutions in some embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided by the present disclosure belong to the protection scope of the present disclosure.
Throughout the specification and claims, the term "comprising" is to be interpreted in an open, inclusive sense, i.e., as "including, but not limited to," unless the context requires otherwise. In the description herein, the terms "one embodiment," "some embodiments," "an example embodiment," "an example" or "some examples" or the like are intended to indicate that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the disclosure. The schematic representations of the above terms are not necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be included in any suitable manner in any one or more embodiments or examples.
The embodiment of the utility model provides a double-loop pi-connection strain steel pipe rod, as shown in fig. 2, comprising: mobile jib 1, ground wire support 2 and wire cross arm unit, ground wire support 2 sets up in the one end of mobile jib 1, and the wire cross arm unit includes: the upper layer wire cross arm 3, the middle layer wire cross arm 4 and the lower layer wire cross arm 5 are arranged on the main rod 1 at intervals.
In some examples, as shown in fig. 2, one end of the main pole 1 is buried in a foundation below the ground through a flange connection, the other end of the main pole 1 is far away from the ground, and the main pole 1 is arranged perpendicular to the ground; the ground wire bracket 2 is arranged at one end of the main rod 1 far away from the ground; the upper layer wire cross arm 3, the middle layer wire cross arm 4 and the lower layer wire cross arm 5 are arranged on the main rod 1 at a certain distance from the ground wire support 2 to the ground in sequence.
The utility model provides a double-loop pi-connection strain steel pipe pole, which is characterized in that through arranging three layers of lead cross arm units, namely an upper layer lead cross arm, a middle layer lead cross arm and a lower layer lead cross arm, double-loop pi connection is realized, the number of cross arm layers can be reduced, the overall height of a pole tower is reduced, bending moment generated by external load is reduced, the diameter of the root of a main pole can be reduced, the occupied area is reduced, the engineering cost and operation and maintenance difficulty are further reduced, and the capital is saved for lines.
In some embodiments, as shown in fig. 3, the ground bracket 2 includes: ground wire support cross arm 21 and ground wire cross arm 22, ground wire support cross arm 21 sets up in the side of mobile jib 1, and ground wire cross arm 22 sets up in the tip of ground wire support cross arm 21.
It should be noted that the present invention does not limit the installation position and the installation number of the ground wire support cross arms 21, and the ground wire support cross arms 21 may be installed on one side, two sides, multiple sides, or the like of the main lever 1.
The ground wire support cross arm 21 is provided on both sides of the main lever 1 as an example.
In some examples, as shown in fig. 3, two ground wire support cross arms 21 are provided, and the two ground wire support cross arms 21 are respectively provided at both sides of the main rod 1 and symmetrically provided about the central axis of the main rod 1.
It should be noted that the present invention does not limit the installation position and the installation number of the ground wire cross arms 22, and one, two or more ground wire cross arms 22 may be installed at the end of the ground wire support cross arm 21.
The following description will be made in detail taking an example in which two ground cross arms 22 are provided at the end portions of the ground support cross arm 21.
In some examples, as shown in fig. 3, two ground cross arms 22 are disposed at the end of the ground support cross arm 21, and the two ground cross arms 22 are disposed at both sides of the end of the ground support cross arm 21 and are symmetrically disposed about the central axis of the ground support cross arm 21.
Similarly, the ends of the other ground wire support cross-arm 21 are also provided with two ground wire cross-arms 22 as described above. That is, four ground cross arms 22 are disposed in one ground bracket 2, and every two ground cross arms 22 are disposed at the end of one ground support cross arm 21, and the ground support cross arms 21 and the ground cross arms 22 are located on the same plane.
In some embodiments, as shown in fig. 3, ground support cross-arm 21 and ground cross-arm 22 form an i-shaped structure. The ground wire supporting cross arm 21 and the ground wire cross arm 22 are connected and fixed through a plurality of angle steels 6 to enhance the connection stability.
In some examples, as shown in fig. 3, the end of the ground wire cross arm 22 is provided with a triangular peg plate 7. This facilitates pi-junction wiring.
In some examples, as shown in fig. 4, upper level wire crossarm 3 includes: an upper wire support cross arm 31 and an upper wire cross arm 32, the upper wire support cross arm 31 is disposed at the side of the main rod 1, and the upper wire cross arm 32 is disposed at the end of the upper wire support cross arm 31.
It should be noted that the present invention does not limit the installation position and the installation number of the upper wire support cross arms 31, and the upper wire support cross arms 31 may be installed on one side, two sides, multiple sides, or the like of the main lever 1.
The wire support cross arms 31 are provided on both sides of the main lever 1 as an example.
In some examples, as shown in fig. 4, two upper wire supporting cross arms 31 are provided, and the two upper wire supporting cross arms 31 are respectively provided at both sides of the main pole 1 and symmetrically provided about the central axis of the main pole 1.
It should be noted that the present invention does not limit the installation position and the installation number of the upper wire cross arms 32, and one, two or more upper wire cross arms 32 may be installed at the end of the upper wire support cross arm 31.
The following description will be made in detail taking as an example two upper wire cross arms 32 provided at the end portions of the upper wire support cross arm 31.
In some examples, as shown in fig. 4, two upper wire cross arms 32 are provided at the end of the upper wire support cross arm 31, the two upper wire cross arms 32 are provided at both sides of the end of the upper wire support cross arm 31, and are symmetrically provided on the central axis of the upper wire support cross arm 31.
Similarly, the ends of the other upper wire support cross arm 31 are also provided with two upper wire cross arms 32 as described above. That is, four wire cross arms 32 are provided in total in one upper wire cross arm 3, and every two upper wire cross arms 32 are provided at the end of one upper wire support cross arm 31, and the upper wire support cross arm 31 and the upper wire cross arm 32 are located on the same plane.
In some embodiments, as shown in fig. 4, upper wire support cross arm 31 and upper wire cross arm 32 form an i-shaped structure. The upper wire supporting cross arm 31 and the upper wire cross arm 32 are connected and fixed through a plurality of angle steels 6 to enhance the connection stability.
In some examples, as shown in fig. 4, the end of upper wire cross arm 32 is provided with a triangular peg plate 7. This facilitates pi-junction wiring.
In some examples, as shown in fig. 5, the middle tier wire cross-arm 4 includes: a middle wire support cross arm 41 and a middle wire cross arm 42, wherein the middle wire support cross arm 41 is arranged at the side of the main rod 1, and the middle wire cross arm 42 is arranged at the end of the middle wire support cross arm 41.
It should be noted that the present invention does not limit the installation position and the installation number of the middle wire support cross arms 41, and the middle wire support cross arms 41 may be installed on one side, two sides, multiple sides, etc. of the main lever 1.
The center wire support cross arm 41 is provided on both sides of the main lever 1 as an example.
In some examples, as shown in fig. 5, two middle wire support cross arms 41 are provided, and the two middle wire support cross arms 41 are respectively provided at both sides of the main pole 1 and symmetrically provided with respect to the central axis of the main pole 1.
It should be noted that the present invention is not limited to the arrangement position and the arrangement number of the middle wire cross arms 42, and one, two or more middle wire cross arms 42 may be arranged at the end of the middle wire support cross arm 41.
The two middle wire cross arms 42 are provided at the ends of the middle wire support cross arm 41, and the details will be described below as an example.
In some examples, as shown in fig. 5, the end of the middle wire support cross arm 41 is provided with two middle wire cross arms 42, the two middle wire cross arms 42 are provided at both sides of the end of the middle wire support cross arm 41, and are symmetrically provided with the central axis of the middle wire support cross arm 41.
Similarly, the ends of the other middle wire support cross arm 41 are also provided with two middle wire cross arms 42 as described above. That is, four middle wire cross arms 42 are provided in total in one middle wire cross arm 4, and every two middle wire cross arms 42 are provided at the end of one middle wire support cross arm 41, and the middle wire support cross arm 41 and the middle wire cross arm 42 are located on the same plane.
In some embodiments, as shown in fig. 5, the center wire support cross arm 41 and the center wire cross arm 42 form an i-shaped structure. The middle wire support cross arm 41 and the middle wire cross arm 42 are connected and fixed through a plurality of angle steels 6 to enhance the connection stability.
In some examples, as shown in fig. 5, the end of the middle wire cross arm 42 is provided with a triangular peg plate 7. This facilitates pi-junction wiring.
In some examples, as shown in fig. 6, the lower wire cross-arm 5 includes: a lower wire support cross arm 51 and a lower wire cross arm 52, the lower wire support cross arm 51 is disposed at the side of the main rod 1, and the lower wire cross arm 52 is disposed at the end of the lower wire support cross arm 51.
It should be noted that the present invention does not limit the installation position and the installation number of the lower wire support cross arms 51, and the lower wire support cross arms 51 may be installed on one side, two sides, multiple sides, or the like of the main lever 1.
The following description will be made in detail by taking an example in which the wire support cross arms 51 are provided on both sides of the main lever 1.
In some examples, as shown in fig. 1, two lower wire support cross arms 51 are provided, and the two lower wire support cross arms 51 are respectively provided at both sides of the main pole 1 and symmetrically provided about the central axis of the main pole 1.
It should be noted that the present invention does not limit the installation position and the installation number of the lower wire cross arms 52, and one, two or more lower wire cross arms 52 may be installed at the end of the lower wire support cross arm 51.
The following description will be made in detail taking an example in which two lower wire cross arms 52 are provided at the end portions of the lower wire support cross arm 51.
In some examples, as shown in fig. 6, two lower wire cross arms 52 are provided at the end of the lower wire support cross arm 51, the two lower wire cross arms 52 are provided at both sides of the end of the lower wire support cross arm 51, and are symmetrically provided at the central axis of the lower wire support cross arm 51.
Similarly, the ends of the other lower wire support cross arm 51 are also provided with two lower wire cross arms 52 as described above. That is, four lower wire cross arms 52 are provided in total in one lower wire cross arm 5, and every two lower wire cross arms 52 are provided at the end of one lower wire support cross arm 51, and the lower wire support cross arm 51 and the lower wire cross arm 52 are located on the same plane.
In some embodiments, lower wire support cross arm 51 and lower wire cross arm 52 form an i-shaped structure, as shown in fig. 6. The lower wire support cross arm 51 and the lower wire cross arm 52 are connected and fixed by a plurality of angle steels 6 to enhance the connection stability.
In some examples, as shown in fig. 6, the end of lower wire cross arm 52 is provided with a triangular peg board 7. This facilitates pi-junction wiring.
In some embodiments, as shown in fig. 4-6, referring to the drawings, in practical application, the lines are fed from the upper and lower ends, wherein the left loop is led out from the left pi, the right loop is led out from the right pi, and a soft jumper is used for jumping between the same phases. Therefore, double-loop pi connection can be realized, the number of layers of the cross arm can be reduced, and the overall height of the tower is reduced.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides a two return circuits pi connects strain insulator steel pipe pole which characterized in that:
the method comprises the following steps: the ground wire support is arranged at one end of the main rod;
the wire cross arm unit includes: the upper layer wire cross arm, the middle layer wire cross arm and the lower layer wire cross arm are arranged on the main rod at intervals;
the ground wire bracket includes: ground wire supports cross arm and ground wire cross arm, upper strata wire cross arm middle level wire cross arm with lower floor's wire cross arm all includes: a wire support cross arm and a wire cross arm;
the ground wire supporting cross arm and the ground wire cross arm form an I-shaped structure, and the wire supporting cross arm and the wire cross arm form an I-shaped structure.
2. The double-loop pi-junction strain steel pipe rod of claim 1,
the ground wire support cross arm is arranged on the side edge of the main rod, and the ground wire cross arm is arranged at the end part of the ground wire support cross arm.
3. The double-loop pi-junction strain steel pipe rod of claim 2,
the ground wire support cross arms are arranged in two numbers, and the two ground wire support cross arms are respectively arranged on two sides of the main rod and are symmetrically arranged with the central axis of the main rod.
4. The double-loop pi-junction strain steel pipe rod of claim 3, wherein,
the end parts of the ground wire supporting cross arms are provided with two ground wire cross arms which are arranged on two sides of the end parts of the ground wire supporting cross arms, and the two ground wire cross arms are symmetrically arranged with the central axis of the ground wire supporting cross arms.
5. The double-loop pi-junction strain steel pipe rod of claim 1,
the upper layer wire cross arm includes: an upper wire support cross arm and an upper wire cross arm;
go up the wire support cross arm set up in the side of mobile jib, go up the wire cross arm set up in the tip of going up the wire support cross arm.
6. The double-loop pi-junction strain steel pipe rod of claim 1,
the middle layer wire cross arm comprises: the middle lead support cross arm and the middle lead cross arm;
the middle wire support cross arm is arranged on the side edge of the main rod, and the middle wire cross arm is arranged at the end part of the middle wire support cross arm.
7. The double-loop pi-junction strain steel pipe rod of claim 1,
the lower layer wire cross arm includes: a lower wire support cross arm and a lower wire cross arm;
lower wire support cross arm set up in the side of mobile jib, lower wire cross arm set up in the tip of lower wire support cross arm.
8. The double-circuit pi strain-connected steel pipe rod as claimed in any one of claims 5 to 7,
the wire supports the cross arm and is provided with two, and two wire support cross arms set up respectively in the both sides of mobile jib, and with the axis symmetry of mobile jib sets up.
9. The double-loop pi-junction strain steel pipe rod of claim 8,
the end part of the wire supporting cross arm is provided with two wire cross arms which are arranged at two sides of the end part of the wire supporting cross arm, and the two wire cross arms are symmetrically arranged with the central axis of the wire supporting cross arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122700220.3U CN216197038U (en) | 2021-11-05 | 2021-11-05 | Double-loop pi connects strain insulator steel pipe pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122700220.3U CN216197038U (en) | 2021-11-05 | 2021-11-05 | Double-loop pi connects strain insulator steel pipe pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216197038U true CN216197038U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122700220.3U Active CN216197038U (en) | 2021-11-05 | 2021-11-05 | Double-loop pi connects strain insulator steel pipe pole |
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| Country | Link |
|---|---|
| CN (1) | CN216197038U (en) |
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2021
- 2021-11-05 CN CN202122700220.3U patent/CN216197038U/en active Active
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