CN210768056U

CN210768056U - Corner tower

Info

Publication number: CN210768056U
Application number: CN201921049687.2U
Authority: CN
Inventors: 马斌; 徐康; 李德权; 郁杰
Original assignee: Jiangsu Shenma Electric Power Co Ltd
Current assignee: Jiangsu Shenma Electric Power Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-06-16
Anticipated expiration: 2029-07-05

Abstract

The application discloses corner tower, this corner tower includes: double-deck cross arm and the body of rod, on the middle part level of double-deck cross arm was fixed in the body of rod, double-deck cross arm included upper cross arm and lower floor's cross arm, spaced predetermined distance between upper cross arm and the lower floor's cross arm to be predetermined angle setting, double-deck cross arm is used for articulating the wire. Connect to upper strata cross arm and lower floor's cross arm through the wire, utilize the angle between upper strata cross arm and the lower floor's cross arm, realize the corner to the wire. The utility model provides a large corner of wire can be realized in a flexible way to corner tower simple structure, simple to operate.

Description

Corner tower

Technical Field

The application relates to the technical field of overhead power transmission, in particular to a corner tower.

Background

In overhead transmission line, transmission tower plays the effect of supporting the wire, however because the needs of actual transmission or because take up an area of the restriction, some circuits move towards and need the redirecting, when the circuit moves towards and needs the redirecting, the transmission tower that is used for changing the circuit direction is the corner tower. However, in the conventional tension tower, the tension insulator string and the related hardware are required to be used for conducting wire jumper, and the vertical distance between cross arms is very large due to the use of the tension insulator string and the hardware; and there is minimum electric clearance requirement between wire and the corner tower, generally increase the length of cross arm and increase the distance between wire and the corner tower thereby satisfy the electric clearance requirement, but the cross arm of overlength can increase the production degree of difficulty, and this all can make tower head structure complicated, and the size is great, and maintenance and installation are inconvenient, and is with high costs.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a corner tower can reduce transmission of electricity corridor width, and simple structure, and the installation fortune of being convenient for is maintained.

In order to solve the technical problem, the application adopts a technical scheme that: there is provided a corner tower comprising: double-deck cross arm and the body of rod, on the middle part level of double-deck cross arm was fixed in the body of rod, double-deck cross arm included upper cross arm and lower floor's cross arm, spaced predetermined distance between upper cross arm and the lower floor's cross arm to be predetermined angle setting, double-deck cross arm is used for articulating the wire.

Further, the predetermined distance is preferably 60cm to 100cm, and the predetermined angle is preferably 45 ° to 90 °.

Further, upper cross arm and lower floor's cross arm all contain a compound cross arm at least, and upper cross arm and lower floor's cross arm all are equipped with two at least strain insulator mountings, and two at least strain insulator mountings set up respectively in the body of rod both sides, and strain insulator mounting sets up with compound cross arm is perpendicular, and the one end of strain insulator mounting is connected with strain insulator clamp, and strain insulator clamp is used for fixing the wire.

Further, upper cross arm and lower floor's cross arm all contain two compound cross arms at least, two at least of upper cross arm strain insulator mounting fixed connection the upper cross arm two at least compound cross arms, two at least of lower floor's cross arm strain insulator mounting fixed connection the lower floor's cross arm two at least compound cross arms.

Further, the upper cross arm includes first strain insulator mounting and second strain insulator mounting, the cross arm of lower floor includes third strain insulator mounting and fourth strain insulator mounting, first strain insulator mounting, second strain insulator mounting, the one end of third strain insulator mounting and fourth strain insulator mounting corresponds respectively and is connected with first strain insulator clamp, second strain insulator clamp, third strain insulator clamp and fourth strain insulator clamp, the wire includes first wire and second wire, first wire is connected to first strain insulator clamp and fourth strain insulator clamp, the second wire is connected to second strain insulator clamp and third strain insulator clamp.

Further, the upper cross arm includes first strain insulator mounting and second strain insulator mounting, the cross arm of lower floor includes third strain insulator mounting and fourth strain insulator mounting, first strain insulator mounting, second strain insulator mounting, the one end of third strain insulator mounting and fourth strain insulator mounting corresponds respectively and is connected with first strain insulator clamp, second strain insulator clamp, third strain insulator clamp and fourth strain insulator clamp, the wire includes first wire and second wire, first wire is connected to first strain insulator clamp and third strain insulator clamp, the second wire is connected to second strain insulator clamp and fourth strain insulator clamp.

Further, the upper cross arm still includes fifth strain insulator mounting and sixth strain insulator mounting, the lower floor cross arm still includes seventh strain insulator mounting and eighth strain insulator mounting, fifth strain insulator mounting, sixth strain insulator mounting, the one end of seventh strain insulator mounting and eighth strain insulator mounting corresponds respectively and is connected with fifth strain insulator clamp, sixth strain insulator clamp, seventh strain insulator clamp and eighth strain insulator clamp, the wire still includes third wire and fourth wire, the third wire is connected to fifth strain insulator clamp and seventh strain insulator clamp, the fourth wire is connected to sixth strain insulator clamp and eighth strain insulator clamp.

Further, the upper cross arm includes first strain insulator mounting and second strain insulator mounting, the cross arm of lower floor includes third strain insulator mounting and fourth strain insulator mounting, first strain insulator mounting, second strain insulator mounting, the one end of third strain insulator mounting and fourth strain insulator mounting corresponds respectively and is connected with first strain insulator clamp, second strain insulator clamp, third strain insulator clamp and fourth strain insulator clamp, the wire includes first wire and second wire, first wire is connected to first strain insulator clamp and is connected to fourth strain insulator clamp through the wire jumper, the second wire is connected to second strain insulator clamp and third strain insulator clamp.

Further, above-mentioned corner tower still includes first strain insulator, second strain insulator, and above-mentioned wire still includes the fifth wire, and first strain insulator perpendicular to upper cross arm and level set up between first strain clamp and second strain clamp, and second strain insulator perpendicular to lower floor cross arm and level set up between third strain clamp and fourth strain clamp, and the fifth wire is connected to first strain insulator and second strain insulator.

Further, above-mentioned upper cross arm still includes fifth strain insulator mounting and sixth strain insulator mounting, lower floor's cross arm still includes seventh strain insulator mounting and eighth strain insulator mounting, fifth strain insulator mounting, sixth strain insulator mounting, the one end of seventh strain insulator mounting and eighth strain insulator mounting corresponds respectively and is connected with fifth strain insulator clamp, sixth strain insulator clamp, seventh strain insulator clamp and eighth strain insulator clamp, the wire still includes third wire and fourth wire, the third wire is connected to fifth strain insulator clamp and is connected to eighth strain insulator clamp through the jumper wire, the fourth wire is connected to sixth strain insulator clamp and seventh strain insulator clamp.

Further, after the conducting wire passes through the corner tower for corner turning, the phase sequence of the conducting wire is not changed.

The beneficial effect of this application is: the utility model provides a corner tower adopts the design of double-deck two compound cross arms, sets up the strain insulator mounting on compound cross arm, through the strain insulator fastener, is fixed in compound cross arm with the wire, utilizes to set up an angle between upper and lower two-layer cross arm, can carry out the corner to the wire of fixed connection on the cross arm, simple structure, and is easy to assemble to can also adjust the angle between upper and lower two-layer cross arm according to actual conditions, thereby realize the size of required wire corner, application scope is wide.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:

FIG. 1 is a schematic structural diagram of a first embodiment of a turret according to the present application;

FIG. 2 is a schematic structural diagram of a second embodiment of a turret according to the present application;

FIG. 3 is a schematic structural diagram of a third embodiment of a turret according to the present application;

FIG. 4 is a schematic structural diagram of a fourth embodiment of a turret according to the present application;

FIG. 5 is a side view of a fourth embodiment of a turret according to the present application;

FIG. 6 is a schematic structural diagram of a fifth embodiment of a turret according to the present application;

fig. 7 is a schematic structural diagram of a sixth embodiment of a turret according to the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The first embodiment is as follows:

referring to fig. 1, fig. 1 is a schematic structural diagram of a turret according to a first embodiment of the present disclosure. The turret 1000 in this embodiment includes an upper cross arm 100, a lower cross arm 200, and a rod 300, and is used to perform a turning operation on two-phase wires, i.e., a first wire 1001 and a second wire 1002. In the present embodiment, the details are described only for the case where the wires are connected to the corner tower 1000 through the upper layer cross arm 100 and then are separated from the corner tower 1000 by the lower layer cross arm 200, but it should be clear that the wires may also be connected to the corner tower 1000 through the lower layer cross arm 200 and then be separated from the corner tower 1000 by the upper layer cross arm 100, and this is not limited herein.

The upper cross arm 100 and the lower cross arm 200 are disposed on the rod body 300 at a predetermined distance, and the distance between the two can be reasonably selected according to actual conditions, and is preferably 60cm-100cm, such as 60cm, 80cm, 100cm, and the like. The upper layer cross arm 100 and the lower layer cross arm 200 are respectively hung with wires, in order to turn the wires, a certain angle is formed between the upper layer cross arm 100 and the lower layer cross arm 200, and the angle between the upper layer cross arm 100 and the lower layer cross arm 200 can be reasonably selected according to the actual turning angle requirement, preferably 45 degrees to 90 degrees, such as 45 degrees, 60 degrees, 80 degrees, 90 degrees and the like.

The upper layer cross arm 100 and the lower layer cross arm 200 respectively comprise at least one composite cross arm, wherein the composite cross arm comprises a core rod, a sleeve and a silicon rubber shed, the core rod can be a hollow tube or a solid rod, and the cross section of the core rod can be one of a rectangle, a circle and a polygon. The composite cross arm has the advantages of light weight, high strength, corrosion resistance and good performance of convenient installation, can greatly improve the weather resistance of the corner tower by adopting the composite cross arm, has large dry arc distance to the ground, can effectively reduce the length of the cross arm, reduces the width of a power transmission corridor, and has simple structure and convenient installation. Of course, the number of the composite cross arms in the upper layer cross arm 100 and the lower layer cross arm 200 may also be one, two, three or more, the mechanical strength and the electrical strength of the upper layer cross arm 100 and the lower layer cross arm 200 can be enhanced by increasing the number of the composite cross arms, the specific number can be designed according to the actual application requirements, and in this embodiment, the upper layer cross arm 100 and the lower layer cross arm 200 both include two composite cross arms. Specifically, the middle portions of the two composite cross arms are horizontally fixed on the rod body 300, so that both end portions of the composite cross arms are free ends, and the middle portion herein does not necessarily refer to the middle of the composite cross arm, but refers to other areas except for the two end portions. The composite cross arm is fixedly connected to the rod body 300 through a conventional connecting structure in the field, such as a hoop connection and the like, which are not described herein again. At least two tension fixing parts are arranged in the upper cross arm 100 and the lower cross arm 200. Specifically, referring to fig. 1, in the present embodiment, a first tension fixing member 1100 and a second tension fixing member 1200 are disposed on the upper cross arm 100, and the first tension fixing member 1100 and the second tension fixing member 1200 are disposed on two sides of the rod 300 respectively and are perpendicular to the composite cross arm in the upper cross arm 100; and a third tension fixing piece 1300 and a fourth tension fixing piece 1400 are arranged on the lower cross arm 200, and the third tension fixing piece 1300 and the fourth tension fixing piece 1400 are respectively arranged on two sides of the rod body 300 and are perpendicular to the composite cross arm in the lower cross arm 200. The tension-resistant fixing piece is preferably arranged at the end part of the composite cross arm so as to fully utilize the insulation characteristic of the cross arm and reduce the width of the corridor to the maximum extent. In this embodiment, the first tension fixing member 1100 and the second tension fixing member 1200 are respectively disposed at two ends of the composite cross arm in the upper cross arm 100, and the third tension fixing member 1300 and the fourth tension fixing member 1400 are respectively disposed at two ends of the composite cross arm in the lower cross arm 200. When the number of the composite cross arms in the upper cross arm 100 and the lower cross arm 200 is greater than or equal to two, the first tension fixing piece 1100 and the second tension fixing piece 1200 are perpendicular to each other and are fixedly connected to each composite cross arm in the upper cross arm 100, and the third tension fixing piece 1300 and the fourth tension fixing piece 1400 are perpendicular to each composite cross arm in the lower cross arm 200 and are fixedly connected to each other. Specifically, the tip of compound cross arm is fixed with the tip gold utensil, and the tip gold utensil can be selected to one end open-ended metal sleeve or other similar telescopic mechanisms, and when the strain insulator mounting was fixed with the tip gold utensil, be equipped with the connecting hole on the strain insulator mounting, with two staple bolts suit respectively behind the tip gold utensil, staple bolt and strain insulator mounting pass through bolt cooperation fixed connection. As can be seen from figure 4, the tension fixing piece and the anchor ear are matched and fixed on the periphery of the end part hardware fitting, so that the damage to the silicon rubber umbrella skirt can be avoided, and the corrosion of moisture to the core rod is avoided. Through this kind of mode, make the strain insulator mounting fix on compound cross arm, make two compound cross arms connect as an organic wholely for whole connection structure is more stable, and improves the electrical insulation performance of cross arm. After the tension fixing piece is connected with each composite cross arm, the two ends of the tension fixing piece are suspended in the air and can be used for connecting other components. The tension fixing piece can be made of angle steel or other materials.

One end of the first tension-resistant fixing member 1100, the second tension-resistant fixing member 1200, the third tension-resistant fixing member 1300 and the fourth tension-resistant fixing member 1400 are respectively and correspondingly provided with a first tension-resistant wire clamp 1010, a second tension-resistant wire clamp 1020, a third tension-resistant wire clamp 1030 and a fourth tension-resistant wire clamp 1040, and each tension-resistant wire clamp is used for hanging a lead. The first strain clamp 1010 and the second strain clamp 1020 are located on the same side of the upper cross arm 100, and the third strain clamp 1030 and the fourth strain clamp 1040 are located on the same side of the lower cross arm 200. When the conducting wire is connected with the strain clamp in a tensioning mode, each strain clamp is flush with the strain fixing piece. The strain clamp comprises one side for clamping the wire and the other opposite side opposite to the side, when the strain clamp is connected in a tensioning mode, one side of the strain clamp for clamping the wire can be horizontally arranged upwards or horizontally arranged downwards, and the strain clamp can be selected according to practical application scenes.

The wire includes first wire 1001 and second wire 1002, and the wire can be directly connected to the strain clamp in lower floor's cross arm 200 after the strain clamp in upper cross arm 100 directly connected to carry out the corner through the contained angle that sets up between upper cross arm 100 and lower floor's cross arm 200 to the wire. In this embodiment, the first wire 1001 is connected to the first strain clamp 1010 and then to the third strain clamp 1030, and the second wire 1002 is connected to the second strain clamp 1020 and then to the fourth strain clamp 1040. Of course, in other embodiments, the wires may be connected to the lower cross arm 200 and then to the upper cross arm 100, and accordingly, the first wire 1001 is connected to the third strain clamp 1030 and then to the first strain clamp 1010, and the second wire 1002 is connected to the fourth strain clamp 1040 and then to the second strain clamp 1020.

Example two:

referring to fig. 2, fig. 2 is a schematic structural diagram of a second embodiment of a turret according to the present application, and a turret 2000 in the present embodiment is substantially the same as the turret 1000 in the first embodiment, except that a phase conductor turning structure is added to the turret 2000 in the present embodiment to turn three-phase conductors.

In order to turn the newly added fifth wire 1005, the corner tower 2000 in this embodiment is further provided with a first tension insulator 2001 and a second tension insulator 2002 on the basis of the first embodiment, the first tension insulator 2001 is perpendicular to the upper cross arm 100 and is disposed between the first wire clamp 1010 and the second wire clamp 1020, one end of the first tension insulator 2001 may be fixed on the upper cross arm 100 or directly connected to the rod body 300, which may be specifically selected according to actual conditions. In this embodiment, one end of the first tension insulator 2001 is fixed to the upper cross arm 100. The second tension insulator 2002 is perpendicular to the lower cross arm 200 and is disposed between the third wire clamp 1030 and the fourth wire clamp 1040, and one end of the second tension insulator 2002 may be fixed to the lower cross arm 200 or directly connected to the rod 300, which may be specifically selected according to actual conditions. In this embodiment, one end of the second tension insulator 2002 is fixed on the lower cross arm 200. When the first strain insulator 2001 is fixed to the upper cross arm 100, it can be fixed to the middle of the upper cross arm 100, or can be disposed on both sides of the upper cross arm 100, and it only needs to be disposed between the first strain clamp 1010 and the second strain clamp 1020, and keep a sufficient safety gap with the first strain clamp 1010 and the second strain clamp 1020. The installation rule of the second tension insulator 2002 is the same as that of the first tension insulator 2001, and is not described herein again.

The other end of the first tension insulator 2001 and the other end of the second tension insulator 2002 are connected with a ninth tension clamp 2090 and a tenth tension clamp 2100, respectively, and in order to turn the fifth wire 1005, the fifth wire 1005 is connected to the ninth tension clamp 2090 and then connected to the tenth tension clamp 2100.

Example three:

referring to fig. 3, fig. 3 is a schematic structural diagram of a turret according to a third embodiment of the present disclosure, and a turret 3000 according to the present embodiment is substantially the same as the turret 1000 according to the first embodiment, except that a two-phase wire turning structure is added to the turret 3000 according to the first embodiment to turn four-phase wires.

In order to perform a corner for the four-phase conductor, on the basis of the first embodiment, the upper cross arm 100 of the corner tower 3000 in this embodiment further includes a fifth tension-resistant fixing member 1500 and a sixth tension-resistant fixing member 1600. Fifth strain insulator mounting 1500 and sixth strain insulator mounting 1600 are all perpendicular to upper cross arm 100 and horizontal arrangement, and fifth strain insulator mounting 1500 and sixth strain insulator mounting 1600 set up between first strain insulator mounting 1100 and second strain insulator mounting 1200. Of course, in other embodiments, the fifth tension fixing member 1500 and the sixth tension fixing member 1600 may be disposed on two sides of the first tension fixing member 1100 and the second tension fixing member 1200, or may be disposed in other positions, as long as the tension fixing members are parallel to each other and a safety gap is maintained, and the specific arrangement order is not limited. Lower floor's cross arm 200 still includes seventh strain insulator mounting 1700 and eighth strain insulator mounting 1800, and the setting of seventh strain insulator mounting 1700 and eighth strain insulator mounting 1800 on lower floor's cross arm 200 is the same with the setting of fifth strain insulator mounting 1500 and sixth strain insulator mounting 1600 in upper floor's cross arm 100, and the repetition is not repeated here.

One end of the fifth strain fixation element 1500, the sixth strain fixation element 1600, the seventh strain fixation element 1700 and the eighth strain fixation element 1800 is connected with a fifth strain clamp 1050, a sixth strain clamp 1060, a seventh strain clamp 1070 and an eighth strain clamp 1080 respectively, wherein the first strain clamp 1010, the second strain clamp 1020, the fifth strain clamp 1050 and the sixth strain clamp 1060 in the upper cross arm 100 are all located on the same side of the upper cross arm 100, and the third strain clamp 1030, the fourth strain clamp 1040, the seventh strain clamp 1070 and the eighth strain clamp 1080 in the lower cross arm 200 are all located on the same side of the lower cross arm 200.

As shown in fig. 3, the first and

second wires

1001 and 1002 are connected in the same manner as in the first embodiment, and the third wire 1003 is connected to the fifth strain clamp 1050, then to the seventh strain clamp 1070, and the fourth wire 1004 is connected to the sixth strain clamp 1060, then to the eighth strain clamp 1080, so as to realize the corner of the four-phase wire in the present embodiment.

Example four:

in the corner tower in the first to third embodiments, the wires are directly connected to the strain clamp of the lower cross arm 200 from the strain clamp of the upper cross arm 100, but according to different application scenarios, a jumper insulator can be arranged between the two strain clamps to jumper the wires, and the jumper insulator can better ensure the safe electrical gap between the two wires and the wire and the rod body, so as to improve the safety and reliability. In order to carry out wire jumper on the lead, a wire jumper insulator can be arranged at one end of the tension-resistant fixing piece, which is not connected with the tension-resistant wire clamp, and the wire jumper insulator is vertically fixed at the end part of the tension-resistant fixing piece.

Referring to fig. 4 and 5, fig. 4 is a schematic structural diagram of a fourth embodiment of the corner tower of the present application, and fig. 5 is a side view of the fourth embodiment of the corner tower of the present application. As shown in the figure, the overall structure of the corner tower 4000 is similar to that of the corner tower in the first embodiment, except that a fourth jumper insulator 1401 is disposed at an end of the fourth tension-resistant fixing member 1400, which is not connected to the tension-resistant clamp, of the lower cross arm 200 of the corner tower 4000, and the fourth jumper insulator 1401 is vertically disposed at an end of the fourth tension-resistant fixing member 1400 and is perpendicular to the fourth tension-resistant fixing member 1400. And a fourth jumper insulator 1401 for fixing the first wire 1001. Specifically, the first wire 1001 is connected to the first wire clamp 1010, then to the fourth jumper insulator 1401, and then to the fourth strain clamp 1040. In addition, in other embodiments, a first jumper insulator (not shown) may be disposed at the other end of the first tension resistant fixing member 1100, and the first wire 1001 is connected to the first wire clamp 1010, and then connected to the fourth tension resistant wire clamp 1040 after passing through the first jumper insulator and the fourth jumper insulator 1401. In other embodiments, a second jumper insulator (not shown) may be disposed at the other end of the second tension-resistant fixing member 1200, the first wire 1001 is directly connected to the third tension-resistant clamp 1030 after being connected to the first clamp 1010, and then the second wire 1002 is connected to the second tension-resistant clamp 1020, fixed by the second jumper insulator, and then connected to the fourth tension-resistant clamp 1040. Of course, according to actual needs, other jumper insulators may be provided, and other wiring and jumper modes are adopted, which are not specifically limited herein.

Example five:

referring to fig. 6, fig. 6 is a schematic structural diagram of a fifth embodiment of the turret according to the present application. The angle tower 5000 in this embodiment is substantially the same as the angle tower 4000 in the fourth embodiment, except that the angle tower 5000 in this embodiment adds a one-phase conductor turning structure to turn a three-phase conductor on the basis of the fourth embodiment.

In order to turn the fifth wire 1005, the corner tower 5000 of the present embodiment further includes a first tension insulator 2001 and a second tension insulator 2002 on the basis of the corner tower 4000 of the fourth embodiment, the first tension insulator 2001 is perpendicular to the upper cross arm 100 and is disposed between the first wire clamp 1010 and the second wire clamp 1020, and one end of the first tension insulator 2001 is fixed to the upper cross arm 100. The second strain insulator 2002 is perpendicular to the lower cross arm 200 and disposed between the third wire clamp 1030 and the fourth wire clamp 1040, and one end of the second strain insulator 2002 is fixed to the lower cross arm 200. The other end of the first tension insulator 2001 and the other end of the second tension insulator 2002 are respectively connected with a ninth tension clamp 2090 and a tenth tension clamp 2100, and in order to turn the fifth wire 1005, the fifth wire 1005 is connected to the ninth tension clamp 2090 and then connected to the tenth tension clamp 2100.

Example six:

referring to fig. 7, fig. 7 is a schematic structural diagram of a sixth embodiment of the angle tower of the present application, and an angle tower 6000 in this embodiment is substantially the same as an angle tower 3000 in the third embodiment, except that a jumper insulator is added to the angle tower 6000 in this embodiment on the basis of the angle tower 3000 in the third embodiment, so that a connection manner of a wire is changed, and safe operation of a line can be better ensured.

In order to better ensure the safety clearance between the wires and the rod body 300, a first jumper insulator 1101, a fourth jumper insulator 1401, and an eighth jumper insulator 1801 are respectively arranged at the ends of the first tension fixing member 1100, the fourth tension fixing member 1400, and the eighth tension fixing member 1800, which are not provided with the tension clamp, and each jumper insulator is vertically arranged at the end of the tension fixing member and is perpendicular to the tension fixing member.

As shown in fig. 7, a first wire 1001 is connected to a first strain clamp 1010, a first jumper insulator 1101, a fourth jumper insulator 1401, and a fourth strain clamp 1040 in sequence; the second wire 1002 is connected to the second strain clamp 1020 and then to the third strain clamp 1030; the third wire 1003 is sequentially connected to a fifth strain clamp 1050, an eighth jumper insulator 1801 and an eighth strain clamp 1080; the fourth wire 1004 is connected to the sixth strain clamp 1060 and then to the seventh strain clamp 1070, so that the four-phase wire in the embodiment can be turned.

In summary, the corner tower in this application adopts the design of double-deck two compound cross arms, sets up the strain insulator mounting on compound cross arm, through the strain insulator fastener, is fixed in compound cross arm with the wire, utilizes to set up an angle between upper and lower two-layer cross arm, can carry out the corner to the wire of fixed connection on the cross arm, simple structure, easy to assemble to can also adjust the angle between upper and lower two-layer cross arm according to actual conditions, thereby realize the size of required wire corner, application scope is wide.

The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure or those directly or indirectly applied to other related technical fields are intended to be included in the scope of the present disclosure.

Claims

1. A corner tower, comprising: double-deck cross arm and the body of rod, the middle part level of double-deck cross arm is fixed in on the body of rod, double-deck cross arm includes upper cross arm and lower floor's cross arm, the upper cross arm with interval predetermined distance between the cross arm of lower floor to be predetermined angle setting, double-deck cross arm is used for articulating the wire.

2. The corner tower of claim 1, wherein the predetermined distance is 60cm-100cm and the predetermined angle is 45 ° -90 °.

3. The corner tower according to claim 1, wherein each of the upper cross arm and the lower cross arm comprises at least one composite cross arm, each of the upper cross arm and the lower cross arm is provided with at least two tension fasteners, at least two tension fasteners are respectively disposed on two sides of the rod body, the tension fasteners are perpendicular to the composite cross arm, one end of each tension fastener is connected with a tension clamp, and the tension clamps are used for fixing the wires.

4. The corner tower of claim 3, wherein the upper cross arm and the lower cross arm each comprise at least two composite cross arms, at least two of the tension mounts of the upper cross arm being fixedly connected to the at least two composite cross arms of the upper cross arm, and at least two of the tension mounts of the lower cross arm being fixedly connected to the at least two composite cross arms of the lower cross arm.

5. The corner tower of claim 3, wherein the upper cross arm comprises a first strain clamp and a second strain clamp, the lower cross arm comprises a third strain clamp and a fourth strain clamp, the first strain clamp, the second strain clamp, the third strain clamp and the fourth strain clamp are respectively and correspondingly connected to one end of the third strain clamp and one end of the fourth strain clamp, the wire comprises a first wire and a second wire, the first wire is connected to the first strain clamp and the third strain clamp, and the second wire is connected to the second strain clamp and the fourth strain clamp.

6. The corner tower according to claim 5, wherein the upper cross arm further comprises a fifth strain insulator and a sixth strain insulator, the lower cross arm further comprises a seventh strain insulator and an eighth strain insulator, the fifth strain insulator, the sixth strain insulator, the seventh strain insulator and the eighth strain insulator are respectively and correspondingly connected to one end of the fifth strain insulator, the sixth strain insulator, the seventh strain insulator and the eighth strain insulator, the wire further comprises a third wire and a fourth wire, the third wire is connected to the fifth strain insulator and the seventh strain insulator, and the fourth wire is connected to the sixth strain insulator and the eighth strain insulator.

7. The corner tower of claim 3, wherein the upper cross arm comprises a first strain insulator and a second strain insulator, the lower cross arm comprises a third strain insulator and a fourth strain insulator, the first strain insulator, the second strain insulator, the third strain insulator and the fourth strain insulator are respectively and correspondingly connected to one end of the first strain insulator, the second strain insulator, the third strain insulator and the fourth strain insulator, the wire comprises a first wire and a second wire, the first wire is connected to the first strain insulator and connected to the fourth strain insulator through a jumper, and the second wire is connected to the second strain insulator and the third strain insulator.

8. The corner tower of claim 5 or 7, further comprising a first strain insulator, a second strain insulator, and a fifth wire, wherein the first strain insulator is perpendicular to the upper cross arm and horizontally disposed between the first strain clamp and the second strain clamp, the second strain insulator is perpendicular to the lower cross arm and horizontally disposed between the third strain clamp and the fourth strain clamp, and the fifth wire is connected to the first strain insulator and the second strain insulator.

9. The corner tower according to claim 7, wherein the upper cross arm further comprises a fifth strain clamp and a sixth strain clamp, the lower cross arm further comprises a seventh strain clamp and an eighth strain clamp, the fifth strain clamp, the sixth strain clamp, the seventh strain clamp and the eighth strain clamp are respectively and correspondingly connected at one end thereof, the wire further comprises a third wire and a fourth wire, the third wire is connected to the fifth strain clamp and connected to the eighth strain clamp through a jumper, and the fourth wire is connected to the sixth strain clamp and the seventh strain clamp.

10. The turret according to claim 1, wherein the phase sequence of the wires is unchanged after the wires are turned through the turret.