CN218623611U - Transmission tower and transmission system - Google Patents
Transmission tower and transmission system Download PDFInfo
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- CN218623611U CN218623611U CN202222268269.0U CN202222268269U CN218623611U CN 218623611 U CN218623611 U CN 218623611U CN 202222268269 U CN202222268269 U CN 202222268269U CN 218623611 U CN218623611 U CN 218623611U
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- power transmission
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- strain insulator
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Abstract
The utility model relates to a transmission tower technical field, concretely relates to transmission tower and transmission system, transmission tower includes body frame, cross arm, dangles cluster and strain insulator-string, and the cross arm links to each other with the body frame, and the cross arm has the side of making contact and opens and breaks the side on its length direction. The string and the strain insulator-string of dangling link to each other with the cross arm respectively, and the string that dangles is located the side of linking to each other, and the strain insulator-string is located the side of cutting off, the utility model provides a transmission tower has reduced the weight of shaft tower, has reduced the area of shaft tower to reduce engineering cost, had good economic benefits.
Description
Technical Field
The utility model relates to a transmission tower technical field, concretely relates to transmission tower and transmission system.
Background
With the rapid development of economy in various parts of China, the density of power transmission lines is continuously increased, the planning and layout of a power grid are more and more complex, and a connection mode that a double-circuit power transmission line is only disconnected and one side of the double-circuit power transmission line is continuously communicated is more and more common. And the selection of the on-off scheme directly influences the investment and the operation of the transmission line project.
In the related art, a two-base double-loop strain tower is generally newly built under the existing line, and a triangular connecting line structure is formed between the two-base double-loop strain tower and another two-base double-loop branch tower newly built on the disconnection side, so that the purposes of disconnection of one side and continuous communication of the other side of a double-loop power transmission line are achieved. However, the structures and the stress modes on two sides of the two newly-built foundation towers under the existing line are strain towers and branch towers, the tower weight is heavier, the occupied area is large, the influence on the surrounding environment is larger, the insulator strings for the wires are strain strings, and the construction cost of the project is high.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the embodiment of the utility model provides a transmission tower has alleviateed the weight of shaft tower, has reduced the area of shaft tower to reduce engineering cost, had good economic benefits.
The embodiment of the utility model provides a power transmission system has still been provided.
The utility model discloses transmission tower, include: a main frame; a cross arm connected to the main frame, the cross arm having a connection side and a disconnection side in a length direction thereof; string and strain insulator-string dangle, string and strain insulator-string dangle respectively with the cross arm links to each other, just the string that dangles is located the side of making up, the strain insulator-string is located the side of cutting off.
The utility model discloses transmission tower has alleviateed the weight of shaft tower, has reduced the area of shaft tower to reduce engineering cost, had good economic benefits.
In some embodiments, the number of the cross arms is multiple, multiple cross arms are respectively connected with the main frame, and the multiple cross arms are arranged at intervals in the vertical direction.
In some embodiments, a plurality of said cross arms are arranged parallel to each other.
In some embodiments, the number of the hanging strings is multiple, and the hanging strings are connected with the cross arms in a one-to-one correspondence.
In some embodiments, the number of the tension strings is multiple, and the tension strings are connected with the cross arms in a one-to-one correspondence manner.
In some embodiments, the tension string includes a first tension string and a second tension string, the first tension string and the second tension string are respectively disposed on the breaking side of the cross arm, and an included angle is formed between the first tension string and the second tension string.
The utility model discloses transmission system, including above-mentioned arbitrary transmission tower.
The utility model discloses transmission system has reduced engineering cost, has good economic benefits.
In some embodiments, the power transmission system further includes a first power transmission line and a second power transmission line, the first power transmission line has a first power transmission loop and a second power transmission loop, the first power transmission loop is located on a connection side, the first power transmission loop is connected to the suspension string, the second power transmission loop is located on a disconnection side, one end of the second power transmission loop is connected to the first tension string, and the other end of the second power transmission loop is connected to the second power transmission line through the second tension string.
In some embodiments, the transmission system further includes a third tower and a fourth tower, the transmission towers include a first transmission tower and a second transmission tower, the third tower, the first transmission tower, the second transmission tower and the fourth tower are arranged at intervals in the extending direction of the first transmission line, the first tension string in the first transmission tower is connected to the third tower through a conducting wire, and the first tension string in the second transmission tower is connected to the fourth tower through a conducting wire.
In some embodiments, the power transmission system further comprises a branch tower, one side of the branch tower is connected with the second tension string in the first power transmission tower through a conducting wire, and the other side of the branch tower is connected with the second tension string in the second power transmission tower through a conducting wire.
Drawings
Fig. 1 is a schematic view of a transmission tower according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a power transmission system according to an embodiment of the present invention.
Reference numerals:
the system comprises a third tower 100, a fourth tower 200, a first transmission tower 300, a second transmission tower 400, a branch tower 500, a first transmission line 600, a first transmission circuit 610, a second transmission circuit 620, a second transmission line 700, a main frame 1, a cross arm 2, a connection side 21, a disconnection side 22, a suspension string 3, a tension string 4, a first tension string 41 and a second tension string 42.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1, the utility model discloses transmission tower of embodiment includes body frame 1, cross arm 2, the cluster of dangling 3 and strain insulator-string 4.
The cross arm 2 is connected to the main frame 1, and the cross arm 2 has a connection side 21 and a disconnection side 22 in a longitudinal direction (a left-right direction as shown in fig. 1) thereof. The suspension string 3 and the tension string 4 are respectively connected with the cross arm 2, the suspension string 3 is positioned on the communication side 21, and the tension string 4 is positioned on the disconnection side 22.
Specifically, the cross arm 2 is provided on the main frame 1, the left side of the cross arm 2 is a connected side 21, the right side of the cross arm 2 is an open side 22, the hanging string 3 is provided on the left side of the cross arm 2, and the tension string 4 is provided on the right side of the cross arm 2.
Optionally, the upper end of the main frame 1 is connected with the wires of the connection side 21 by arranging the cross arm 2, arranging the suspension string 3 on the left side of the cross arm 2, and arranging the tension string 4 on the right side of the cross arm 2 to connect the wires of the disconnection side 22, so that one-side disconnection and one-side connection of the line are realized.
It will be appreciated that the tension string 4 and the open side 22 of the cross-arm 2 are required to withstand the tension of the line and the weight of the line itself, while the on side 21 of the drop string 3 and cross-arm 2 is subjected primarily to the weight of the line itself, resulting in the tension string 4 and the open side 22 of the cross-arm 2 weighing more than the on side 21 of the drop string 3 and cross-arm 2. The embodiment of the utility model provides a set up the cluster 3 that dangles through the intercommunication side 21 at cross arm 2, compare among the correlation technique intercommunication side 21 of cross arm 2 for the setting of strain insulator-string 4, reduced transmission line's engineering investment when having reduced transmission tower's weight.
The left side of the transmission tower in the embodiment is designed in a tangent tower mode, the right side of the transmission tower is designed in a tension tower mode, the design difficulty of the transmission tower is reduced, and the left side of the transmission tower is in a tangent tower structure and a stress mode, so that the weight of the transmission tower and the occupied area of the transmission tower can be greatly reduced, the engineering investment is reduced, and good economic benefits are achieved.
For example, the transmission tower of the embodiment may be applied to transmission lines of various voltage classes, and the towers of the existing line and the newly-built line are angle steel towers, steel tube towers and steel tube poles.
In some embodiments, the number of the cross arms 2 is plural, the plurality of cross arms 2 are respectively connected to the main frame 1, and the plurality of cross arms 2 are arranged at intervals in the up-down direction.
Specifically, a plurality of cross arms 2 are arranged at intervals in the up-down direction of the main frame 1.
Optionally, the setting of the quantity of cross arm 2 is relevant with the wire that body frame 1 bore, and multichannel three-phase transmission conductor that body frame 1 bore, the quantity setting of that corresponding cross arm 2 increases, the utility model discloses do not carry out specific injecing to cross arm 2's quantity to concrete implementation is the standard.
In some embodiments, a plurality of cross arms 2 are arranged parallel to each other.
Specifically, the parallel arrangement of the plurality of cross arms 2 can ensure the line spacing between the connected wires, avoid the crossing between the wires, and improve the safety of the power transmission line.
In some embodiments, the number of hanging strings 3 is plural, and the plurality of hanging strings 3 are connected to the plurality of cross arms 2 in a one-to-one correspondence.
Specifically, the connection side 21 of each cross arm 2 is provided with the hanging string 3, that is, the left side of each cross arm 2 is provided with the hanging string 3, and the plurality of hanging strings 3 connect a plurality of wires of the connection side 21.
Compared with the related art in which the communication side 21 is provided with the tension string 4, the communication side 21 is provided with the plurality of suspension strings 3 in the embodiment, so that the weight of the transmission tower is reduced, and the investment cost is further reduced.
In some embodiments, the number of the tension strings 4 is multiple, and the tension strings 4 are connected to the cross arms 2 in a one-to-one correspondence.
Specifically, the disconnected side 22 of every cross arm 2 all sets up strain insulator-string 4, and the right side of every cross arm 2 all is equipped with strain insulator-string 4 promptly, and a plurality of strain insulator-strings 4 are connected the many wires of disconnected side 22.
It will be appreciated that the transmission tower may be used for transmission lines of various voltage classes, and the number of conductors in the transmission lines of various voltage classes is provided as multiple phases, for example, three phases or six phases. For example, when the number of the cross arms 2 is three, the number of the suspension strings 3 is also three, and the number of the tension strings 4 is also three.
Optionally, each suspension string 3 is connected with the conducting wires on the connecting side 21, each tension string 4 is connected with the conducting wires on the disconnecting side 22, when the conducting wires are transmitted in three phases, the number of the cross arms 2 can be correspondingly set to three, each suspension string 3 is connected with one conducting wire on the connecting side 21, and each tension string 4 is connected with one conducting wire on the disconnecting side 22, so that a certain distance is kept between the multi-phase conducting wires, and the safety of the power transmission line is improved.
In some embodiments, the tension string 4 includes a first tension string 41 and a second tension string 42, the first tension string 41 and the second tension string 42 are respectively disposed on the breaking side 22 of the cross arm 2, and an included angle is formed between the first tension string 41 and the second tension string 42.
Specifically, the first tension string 41 and the second tension string 42 are both disposed on the right side of the cross arm 2, and the wires are connected to the disconnection side 22 through the first tension string 41 and the second tension string 42.
Optionally, the positions of the first tension string 41 and the second tension string 42 can be exchanged, and the orientation directions of the first tension string 41 and the second tension string 42 can be adjusted according to actual conditions, i.e., the included angle between the first tension string 41 and the second tension string 42 is adjusted to ensure that the wire passes through the angle between the first tension string 41 and the second tension string 42, so that the wire can be conveniently transmitted.
The utility model discloses transmission system, transmission tower including above-mentioned arbitrary item.
Specifically, the transmission system comprises transmission towers, and because the connection side 21 of the transmission towers adopts a plurality of suspension strings 3 for conducting wire connection, the weight and the floor area of the transmission towers are reduced, and further the engineering investment is reduced.
As shown in fig. 2, the power transmission system further includes a first power transmission line 600 and a second power transmission line 700, the first power transmission line 600 has a first power transmission loop 610 and a second power transmission loop 620, the first power transmission loop 610 is located on the connection side 21, the first power transmission loop 610 is connected to the suspension string 3, the second power transmission loop 620 is located on the disconnection side 22, and the second power transmission loop 620 is connected to the second power transmission line 700 through the tension string 4.
Specifically, in the first power transmission line 600, the first power transmission circuit 610 is located on the left side, the second power transmission circuit 620 is located on the right side, and a line led out from the broken position of the second power transmission circuit 620 is the second power transmission line 700. The first power transmission loop 610 is connected to the catenary 3 for the connection of the conductors on the on side 21, and the second power transmission loop 620 is connected to the tension string 4 for the connection of the conductors on the off side 22.
It can be understood that the transmission line of the power transmission system can be two loop lines with different voltages and frequencies, so that greater transmission power can be transmitted, and the reliability of power supply can be ensured.
In some embodiments, the transmission system further includes a third tower 100 and a fourth tower 200, the transmission towers include a first transmission tower 300 and a second transmission tower 400, the third tower 100, the first transmission tower 300, the second transmission tower 400 and the fourth tower 200 are arranged at intervals in the extending direction of the first transmission line 600, the first tension string 41 in the first transmission tower 300 is connected to the third tower 100 through a conducting wire, and the first tension string 41 in the second transmission tower 400 is connected to the fourth tower 200 through a conducting wire.
Specifically, in the transmission direction of the wire, the first transmission tower 300 and the second transmission tower 400 are located between the third tower 100 and the fourth tower 200, an open position is arranged between the first transmission tower 300 and the second transmission tower 400, the wire on the connection side 21 is connected with the fourth tower 200 after passing through the first transmission tower 300 and the second transmission tower 400 from the third tower 100 in sequence, and the purpose of continuous connection of the first transmission circuit 610 is achieved; the wires on the cut-off side 22 are respectively transmitted to the two sides of the second transmission line 700 through the tension string 4 of the first transmission tower 300 and the tension string 4 of the second transmission tower 400, so that the purpose of cutting off the second transmission loop 620 is achieved.
In some embodiments, the power transmission system further comprises a branch tower 500, one side of the branch tower 500 is connected to the second tension string 42 in the first power transmission tower 300 by a wire, and the other side of the branch tower 500 is connected to the second tension string 42 in the second power transmission tower 400 by a wire.
Specifically, the branching tower 500 is located on the right side of the first transmission tower 300, that is, the branching tower 500 is located on the right side of the disconnection side 22, the first transmission tower 300 and the second transmission tower 400 are set under the first transmission line 600 that needs to be disconnected, the conducting wire of the connection side 21 is continuously communicated through the first transmission tower 300 and the second transmission tower 400, and the conducting wire of the disconnection side 22 is connected with the two sides of the branching tower 500 through the first transmission tower 300 and the second transmission tower 400 respectively, so that one side of the first transmission line 600 is disconnected and one side of the first transmission line 600 is continuously communicated.
It will be appreciated that the branching tower 500 may also be arranged on the left side of the first transmission tower 300, correspondingly the left side of the first transmission tower 300 being the open side 22 and the right side being the connected side 21.
The utility model discloses transmission system is through setting up first transmission tower 300 and second transmission tower 400 to 21 settings of the side of connection of first transmission tower 300 and second transmission tower 400 hang string 3 and connect the wire, set up strain insulator-string 4 and branch tower 500 and be connected in the side of breaking 22, when realizing that one side of two return circuit transmission line breaks the opposite side and continues the intercommunication, reduced tower weight and area, and then reduced the engineering investment.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the term "in some embodiments" means 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 present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
It will be understood that the above-described embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art may make variations, modifications, substitutions and alterations to the above-described embodiments while remaining within the scope of the present invention.
Claims (10)
1. A power transmission tower, comprising:
a main frame;
a cross arm connected to the main frame, the cross arm having a connection side and a disconnection side in a length direction thereof;
string and strain insulator-string dangle, string and strain insulator-string dangle respectively with the cross arm links to each other, just the string that dangles is located the side of making up, the strain insulator-string is located the side of cutting off.
2. The transmission tower according to claim 1, wherein the number of the cross arms is plural, the plurality of the cross arms are respectively connected to the main frame, and the plurality of the cross arms are arranged at intervals in an up-down direction.
3. A transmission tower according to claim 2, wherein a plurality of said cross-arms are arranged parallel to each other.
4. The tower of claim 2, wherein the number of the hanging strings is multiple, and the plurality of hanging strings are connected to the plurality of cross arms in a one-to-one correspondence.
5. The transmission tower of claim 2, wherein the number of the tension strings is multiple, and the tension strings are connected with the cross arms in a one-to-one correspondence manner.
6. The transmission tower of any one of claims 1-5, wherein the strain insulator-string comprises a first strain insulator-string and a second strain insulator-string, the first strain insulator-string and the second strain insulator-string are respectively arranged on the on-off side of the cross arm, and an included angle is formed between the first strain insulator-string and the second strain insulator-string.
7. A transmission system comprising a transmission tower according to claim 6.
8. The power transmission system of claim 7, further comprising a first power transmission line and a second power transmission line, wherein the first power transmission line has a first power transmission loop and a second power transmission loop, the first power transmission loop is located on a connection side, the first power transmission loop is connected to the suspension string, the second power transmission loop is located on a disconnection side, one end of the second power transmission loop is connected to the first string, and the other end of the second power transmission loop is connected to the second power transmission line through the second string.
9. The power transmission system according to claim 8, further comprising a third tower and a fourth tower, wherein the power transmission towers include a first power transmission tower and a second power transmission tower, the third tower, the first power transmission tower, the second power transmission tower and the fourth tower are arranged at intervals in the extending direction of the first power transmission line, the first strain string in the first power transmission tower is connected with the third tower through a wire, and the first strain string in the second power transmission tower is connected with the fourth tower through a wire.
10. The power transmission system of claim 9, further comprising a branching tower, one side of the branching tower being connected to the second strain string in the first power transmission tower by a wire, the other side of the branching tower being connected to the second strain string in the second power transmission tower by a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222268269.0U CN218623611U (en) | 2022-08-26 | 2022-08-26 | Transmission tower and transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222268269.0U CN218623611U (en) | 2022-08-26 | 2022-08-26 | Transmission tower and transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218623611U true CN218623611U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222268269.0U Active CN218623611U (en) | 2022-08-26 | 2022-08-26 | Transmission tower and transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218623611U (en) |
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2022
- 2022-08-26 CN CN202222268269.0U patent/CN218623611U/en active Active
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