CN214402980U - Extra-high voltage direct current circuit corner tower - Google Patents
Extra-high voltage direct current circuit corner tower Download PDFInfo
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- CN214402980U CN214402980U CN202120213602.0U CN202120213602U CN214402980U CN 214402980 U CN214402980 U CN 214402980U CN 202120213602 U CN202120213602 U CN 202120213602U CN 214402980 U CN214402980 U CN 214402980U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
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- 229910052742 iron Inorganic materials 0.000 description 2
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
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- 238000005452 bending Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an extra-high voltage direct current circuit corner tower belongs to extra-high voltage direct current transmission line technical field. The extra-high voltage direct current line corner tower comprises a tower head, a tower body and tower feet, wherein the tower body is fixed on the tower feet, the tower head is fixed on the tower body, the extra-high voltage direct current line corner tower also comprises a lead cross arm and a ground wire support, the lead cross arm is arranged at the top of the tower head and is in a claw shape, and two top corners of the lead cross arm are hung with transmission leads; two ends of the wire cross arm are bent downwards and are provided with jumper wire cross arms, and jumper wire wires are hung at two ends of each jumper wire cross arm; the ground wire support comprises two vertical pieces and a plurality of connecting pieces, and the two vertical pieces are opposite in position and fixedly connected with the tower body; and the ground wires are hung at two ends of the ground wire support. The utility model discloses can hang transmission wire, ground wire and can hang the wire jumper wire again to take lightning-arrest measure, the function is complete, and the outward appearance is pleasing to the eye.
Description
Technical Field
The utility model relates to an extra-high voltage direct current transmission line technical field, concretely relates to extra-high voltage direct current circuit corner tower.
Background
With the continuous development of the economy of China, the national electricity demand is continuously increased, the proportion of electric energy in energy consumption is continuously increased, most of energy such as coal, water energy, land wind energy and the like are located in western regions, energy consumption points are mainly concentrated in the middle east regions, therefore, the state vigorously builds the west-east power transmission project, and the extra-high voltage direct-current power grid is used as a main means for realizing the project, so that the power transmission system has the characteristics of large transmission capacity and high voltage. The +/-800 kV extra-high voltage direct current transmission line engineering generally adopts a self-supporting iron tower, materials for the iron tower mainly comprise Q235 and Q345 hot-rolled angle steel, and the angle tower is widely applied as a tower mainly used for changing the horizontal direction of a line.
Patent document No. CN202039632U discloses a straight-line corner tower for extra-high voltage dc line 720/50 conductor, which includes a ground wire support, a conductor cross arm, a tower head, a tower body and tower legs, wherein the main material of the tower legs is fixed on the foundation, the lower part of the tower body is fixedly connected with the main material of the tower legs, the tower head is connected with the conductor cross arm, one end of the conductor cross arm is bent downward, and the conductor cross arm is connected with the ground wire support. Because this straight line corner tower does not set up the wire jumper cross arm, can not hang the wire jumper wire, and does not take lightning-arrest measure, causes the power consumption accident easily, therefore the function is not enough, uses the restriction.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to solve the technical problem that an extra-high voltage direct current corner tower is provided, can hang the wire jumper wire to set up the lightning conductor, solve effectively that current direct current corner tower function is not enough, and receive the shortcoming of thunderstorm weather effect easily.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides an extra-high voltage direct current circuit corner tower, includes tower head, body of the tower and column foot, the body of the tower is fixed on the column foot, the tower head is fixed on the body of the tower, its characterized in that: the tower head is characterized by further comprising a lead cross arm and a ground wire support, wherein the lead cross arm is arranged at the top of the tower head and is in a claw shape, and power transmission leads are hung at two top corners of the lead cross arm; two ends of the wire cross arm are bent downwards and are provided with jumper wire cross arms, and jumper wire wires are hung at two ends of each jumper wire cross arm; the ground wire support comprises two vertical pieces and a plurality of connecting pieces, and the two vertical pieces are opposite in position and fixedly connected with the tower body; and the ground wires are hung at two ends of the ground wire support.
The tower head, the tower body and the tower legs are made of carbon steel.
The wire cross arm comprises a left wire cross arm and a right wire cross arm, and the length of the left wire cross arm is equal to the length of the right wire cross arm.
The jumper wire cross arm comprises a left jumper wire cross arm and a right jumper wire cross arm, and the length of the left jumper wire cross arm is equal to that of the right jumper wire cross arm.
The ground wire support comprises a left ground wire support and a right ground wire support, and the length of the left ground wire support is equal to that of the right ground wire support.
The distance between the wire cross arm and the ground wire support is larger than 6.2 m.
The lightning conductor mounting support comprises a first support rod, a second support rod and an intermediate connecting rod, the first support rod is fixedly connected with the second support rod, one end of the intermediate connecting rod is fixedly connected with the first support rod, and the other end of the intermediate connecting rod is fixedly connected with the second support rod.
The utility model has the advantages that: the angle tower adopts a horizontally symmetrical arrangement mode, so that the appearance is attractive, and the stress of the angle tower is uniform; the wire cross arm at the top end of the tower head is in a claw shape, two ends of the wire cross arm are bent downwards, and a jumper wire cross arm is arranged at the bent position, so that the corner tower can be used for hanging both a transmission wire and a jumper wire, and the structural characteristics of the corner tower are fully utilized; the tower head, the tower body and the tower legs of the corner tower are made of carbon steel, so that the mechanical property is excellent, and the stability of the structure is ensured; the top end of the tower head is provided with a lightning conductor mounting bracket, and lightning protection measures are taken, so that the adverse effect of thunderstorm weather on equipment can be reduced; the utility model discloses the structure is firm, the function is complete, the appearance is pleasing to the eye suitable extensive popularization.
Drawings
Fig. 1 is a schematic structural diagram of the ultra-high voltage dc line turret of the present invention.
Fig. 2 is the utility model discloses lightning conductor installing support's schematic structure view.
Detailed Description
The invention is further described with reference to the following figures and examples.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following description will clearly and completely describe the technical solutions of the embodiments of the present invention with reference to fig. 1 and fig. 2 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
In fig. 1 to 2, the reference numerals denote:
1. a tower head; 2. a tower body; 3. a tower foot; 4. a left wire cross arm; 5. a right wire cross arm; 6. a left jumper cross arm; 7. a right jumper cross arm; 8. a first insulator string left stringing point; 9. a first insulator string right string hanging point; 10. a second insulator string is connected with a right string hanging point; 11. a second insulator string left stringing point; 12. a left ground wire bracket; 13. a right ground wire bracket; 14. a first vertical member; 15. a second vertical member; 16. a connecting rod; 17. a reinforcement; 18. a first frame bar; 19. a second rack bar; 20. a middle connecting rod; 21. a first bolt; 22. a second bolt; 23. and a lightning conductor mounting hole.
The first embodiment is as follows:
as shown in fig. 1, the embodiment provides an extra-high voltage dc line corner tower invented in the tin union region, which includes a tower body 2, a tower head 1 disposed on the upper part of the tower body 2, and a tower foot 3 disposed on the lower part of the tower body 2; the tower head 1 comprises a wire cross arm and a jumper wire cross arm arranged on the wire cross arm. The wire cross arm comprises a left wire cross arm 4 and a right wire cross arm 5, the length of the left wire cross arm 4 is equal to the length of the right wire cross arm 5, the left end of the left wire cross arm 4 is bent downwards, a left jumper wire cross arm 6 is arranged at the bent position, the right end of the right wire cross arm 5 is bent downwards, a right jumper wire cross arm 7 is arranged at the bent position, and the length of the left jumper wire cross arm is equal to the length of the right jumper wire cross arm. The bending angle is set to satisfy the electrical clearance.
The wire cross arm is positioned at the top of the tower head 1 and is in a claw shape, and two top corners of the wire cross arm are used for hanging transmission wires; the jumper cross arm is used for hanging jumper wires, the jumper wires are aluminum tube type rigid jumper wires, and the distance between a power transmission wire hung on the jumper cross arm and the ground is usually at least 10 meters.
The left conductor cross arm 4 is hung with a negative transmission conductor, and the right conductor cross arm 5 is hung with a positive transmission conductor.
The tower head 1, the tower body 2 and the tower legs 3 are made of carbon steel.
Due to the stress characteristic of the V-shaped insulator string, the wind deflection swing of the lead under the wind working condition is limited, and the line distance between two poles of the lead can be well controlled, so that the angle tower uses the V-shaped insulator string. When the V-shaped insulator string is installed, a first insulator string left string hanging point 8 is arranged at the left end of the left jumper cross arm 6, and a first insulator string right string hanging point 9 is arranged at the right end of the left jumper cross arm; similarly, a right string hanging point 10 of a second insulator string is arranged at the right end of the right jumper cross arm 7, and a left string hanging point 11 of the second insulator string is arranged at the left end of the right jumper cross arm.
The ground wire support comprises a left ground wire support 12 and a right ground wire support 13, and the length of the left ground wire support 12 is equal to that of the right ground wire support 13. The ground wire support comprises a first vertical part 14, a second vertical part 15 and a plurality of connecting pieces 16, the first vertical part 14 and the second vertical part 15 are oppositely arranged and are respectively arranged at two sides of the tower body 2, and the first vertical part 14 and the second vertical part 15 are connected through the plurality of connecting pieces 16; furthermore, the left ground wire support 12 and the right ground wire support 13 further include at least two reinforcing members 17, wherein a first reinforcing member is connected with the vertical member and forms a certain included angle, and the other reinforcing members are sequentially connected through the first reinforcing member to form a truss structure. The ground wire support is used for hanging two ground wires.
Example two:
the extra-high voltage direct current line angle tower described in this embodiment is an improvement on the basis of embodiment 1, and specifically includes: the lightning conductor mounting support is arranged on the tower head 1 and comprises a first support rod 18, a second support rod 19 and an intermediate connecting rod 20, the first support rod 18 and the second support rod 19 are fixed on the tower head 1 through bolts and nuts, the first support rod 18 is connected with the second support rod 19 through a first bolt 21, a section of the top end of the first support rod 18 extends out and is provided with a lightning conductor mounting hole 23, the lightning conductor mounting hole 23 is used for penetrating a lightning conductor, one end of the intermediate connecting rod 20 is fixedly connected with the first support rod 18 through a second bolt 22, and the other end of the intermediate connecting rod 20 is connected with the second support rod 19 to play a role in fastening and supporting.
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 replacements 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 (7)
1. The utility model provides an extra-high voltage direct current circuit corner tower, includes tower head, body of the tower and column foot, the body of the tower is fixed on the column foot, the tower head is fixed on the body of the tower, its characterized in that: the tower head is characterized by further comprising a lead cross arm and a ground wire support, wherein the lead cross arm is arranged at the top of the tower head and is in a claw shape, and power transmission leads are hung at two top corners of the lead cross arm; two ends of the wire cross arm are bent downwards and are provided with jumper wire cross arms, and jumper wire wires are hung at two ends of each jumper wire cross arm; the ground wire support comprises two vertical pieces and a plurality of connecting pieces, and the two vertical pieces are opposite in position and fixedly connected with the tower body; and the ground wires are hung at two ends of the ground wire support.
2. An extra-high voltage direct current line corner tower according to claim 1, characterized in that: the tower head, the tower body and the tower legs are made of carbon steel.
3. An extra-high voltage direct current line corner tower according to claim 1, characterized in that: the wire cross arm comprises a left wire cross arm and a right wire cross arm, and the length of the left wire cross arm is equal to that of the right wire cross arm.
4. An extra-high voltage direct current line corner tower according to claim 1, characterized in that: the jumper wire cross arm comprises a left jumper wire cross arm and a right jumper wire cross arm, and the length of the left jumper wire cross arm is equal to that of the right jumper wire cross arm.
5. An extra-high voltage direct current line corner tower according to claim 1, characterized in that: the ground wire support comprises a left ground wire support and a right ground wire support, and the length of the left ground wire support is equal to that of the right ground wire support.
6. An extra-high voltage direct current line corner tower according to claim 1, characterized in that: the distance between the wire cross arm and the ground wire support is larger than 6.2 m.
7. An extra-high voltage direct current line corner tower according to claim 1, characterized in that: the lightning conductor mounting support comprises a first support rod, a second support rod and an intermediate connecting rod, the first support rod is fixedly connected with the second support rod, one end of the intermediate connecting rod is fixedly connected with the first support rod, and the other end of the intermediate connecting rod is fixedly connected with the second support rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120213602.0U CN214402980U (en) | 2021-01-26 | 2021-01-26 | Extra-high voltage direct current circuit corner tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120213602.0U CN214402980U (en) | 2021-01-26 | 2021-01-26 | Extra-high voltage direct current circuit corner tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214402980U true CN214402980U (en) | 2021-10-15 |
Family
ID=78048796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120213602.0U Active CN214402980U (en) | 2021-01-26 | 2021-01-26 | Extra-high voltage direct current circuit corner tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214402980U (en) |
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2021
- 2021-01-26 CN CN202120213602.0U patent/CN214402980U/en active Active
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