CN212359290U - Extra-high voltage direct current transmission tower with wide application range - Google Patents
Extra-high voltage direct current transmission tower with wide application range Download PDFInfo
- Publication number
- CN212359290U CN212359290U CN202020813584.5U CN202020813584U CN212359290U CN 212359290 U CN212359290 U CN 212359290U CN 202020813584 U CN202020813584 U CN 202020813584U CN 212359290 U CN212359290 U CN 212359290U
- Authority
- CN
- China
- Prior art keywords
- tower
- convenient
- direct current
- high voltage
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electric Cable Installation (AREA)
Abstract
An extra-high voltage direct current transmission tower with a wide application range comprises a tower body and a base convenient for the installation and fixation of the tower body, wherein the tower body comprises a tower head and a tower body, two cross arms convenient for erecting a transmission line are transversely arranged on the upper part of the tower body from top to bottom, insulating strings which are mutually connected are arranged below two sides of each cross arm, and the insulating strings are connected through direct current wires so as to be convenient for transmission of the transmission line; the base includes outer base and the interior base of being convenient for with body of the tower fixed connection, and the middle part of outer base is provided with the recess of being convenient for interior pedestal mounting, and the bottom of interior base is provided with a plurality of spliced poles of being convenient for fix to on the outer base, is provided with a plurality of spliced eyes on the outer base, and spliced eye department all communicates the pipe of being convenient for with spliced pole complex, and the lateral part of the pipe of pegging graft still is provided with a plurality of overflow holes. The iron tower is reasonable in design, firm and reliable, the width of a conveying corridor of the iron tower is small, the construction difficulty is small, the occupied space is small, and the conveying requirement of China on the ultra-high voltage transmission line is well met.
Description
Technical Field
The utility model relates to a power transmission tower, especially an extra-high voltage direct current power transmission tower that application scope is wide.
Background
The transmission tower is a supporting point of an overhead line, a single-loop transmission tower is erected on the transmission tower, and a double-loop transmission tower is erected on the transmission tower. The single loop is a loop with a load provided with a power supply; the double-loop is a loop with 2 power supplies in a load. Generally, enterprises or regional important substations with high requirements on power supply reliability adopt double-circuit power supply, so that one power supply can be protected from power failure due to reasons, the other power supply can continue to supply power, and medium and small users with low requirements on power supply reliability usually adopt single power supply to supply power.
At present, the +/-500 kV direct current transmission line direct current tower constructed and operated in China mostly adopts a dry-type transmission iron tower with two poles of conductors horizontally arranged, the gap requirement between transmission lines is not very high, so the occupied area is not very large, but along with the development requirement, the transmission of the transmission lines with higher voltage is more and more needed, however, along with the increase of the voltage of the transmission lines, the gap between the transmission lines also needs to be greatly increased, the corridor width of the iron tower also needs to be increased, the construction difficulty is increased, the occupied space also needs to be increased, and the tower cannot be suitable for areas developed economically or areas lacking in land.
Disclosure of Invention
The utility model aims to solve the technical problem that to prior art not enough, provide a wide special high voltage direct current transmission tower of application scope reasonable in design, occupation space is little, intensity is high.
The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to an extra-high voltage direct current transmission tower with wide application range, which comprises a tower body and a base convenient for the installation and fixation of the tower body, wherein the tower body comprises a tower head and a tower body, the tower head is installed at the two sides of the top of the tower body in an antenna shape, and a lightning conductor is also installed on the tower head; the upper part of the tower body is transversely provided with two cross arms convenient for erecting a power transmission line from top to bottom, and a ventilation hole convenient for reducing stress is arranged on the tower body between the two cross arms; the lower parts of the two sides of the cross arm are respectively provided with an insulating string which is mutually connected, and the insulating strings are connected through a direct current lead to be convenient for conveying a power transmission line;
the base includes outer base and the interior base of being convenient for with body of the tower fixed connection, and the middle part of outer base is provided with the recess of being convenient for interior pedestal mounting, and the bottom of interior base is provided with a plurality of spliced poles of being convenient for fix to on the outer base, is provided with a plurality of spliced eyes on the outer base, and spliced eye department all communicates the pipe of being convenient for with spliced pole complex, and the lateral part of the pipe of pegging graft still is provided with a plurality of overflow holes.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above application scope wide extra-high voltage direct current transmission tower, the peg graft pole all is cylindricly with the grafting pipe, and the pipe diameter of grafting pipe is greater than the diameter of peg graft pole, and the bottom of grafting pipe still is provided with peg graft pole location fit's locating hole.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above application scope wide extra-high voltage direct current transmission tower, the inserted link all is coniform with the pipe of pegging graft.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, to above the wide special high voltage direct current transmission tower of application scope, the inserted bar is provided with 4-8, and 4-8 inserted bars are along the even setting of circumference of interior base.
The technical problem to be solved by the utility model can be further realized by the following technical proposal, for the ultra-high voltage direct current transmission iron tower with wide application range,
the utility model discloses the technical problem that will solve can also further realize through following technical scheme, and this iron tower's transmission voltage capacity is 1100 kV.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above application scope wide extra-high voltage direct current transmission tower, the insulating cluster is equipped with 8 altogether, and 8 insulating clusters divide 4 groups to set up in the both sides of two cross arms, and the one end of 2 insulating clusters of same department is passed through the direct current wire and is connected, and the other end of 2 insulating clusters is connected with body of the tower and cross arm respectively.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above wide extra-high voltage direct current transmission tower of application scope, the tower material of this iron tower adopts Q420 high strength large cross section angle steel to make.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above application scope wide extra-high voltage direct current transmission tower, the middle part and the lower part of body of the tower still are provided with the balancing stand that is used for the balancing tower heavy, and the balancing stand is trapezoidal form and installs on the body of the tower.
Compared with the prior art, the utility model discloses direct current transmission tower is applicable to 1100kV direct current transmission line, constitutes the corridor of direct current transmission line tower by two cross arms, has greatly reduced the erection width of extra-high voltage transmission line; the insulating strings which are connected with each other are arranged below the cross arm, so that a conveying loop of a direct current transmission line iron tower is added; secondly, on interior base passes through the peg graft pole to be fixed to outer base, iron tower body was fixed to interior base, and outer base passes through the peg graft pipe and pegs graft the underground for the installation of body of the tower is more firm, can not the horizontal rocking. The iron tower is reasonable in design, firm and reliable, the width of a conveying corridor of the iron tower is small, the construction difficulty is small, the occupied space is small, and the conveying requirement of China on the ultra-high voltage transmission line is well met.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the base of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all 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 invention.
Referring to fig. 1-2, the extra-high voltage direct current transmission iron tower with a wide application range comprises an iron tower body and a base convenient for the iron tower body to be installed and fixed, wherein the iron tower body comprises a tower head 1 and a tower body 4, the tower head 1 is installed on two sides of the top of the tower body 4 in an antenna shape, and a lightning conductor is also installed on the tower head 1; the upper part of the tower body 4 is transversely provided with two cross arms 2 convenient for erecting a power transmission line from top to bottom, and a ventilation hole 6 convenient for reducing stress is arranged on the tower body 4 between the two cross arms 2; the lower parts of the two sides of the cross arm 2 are respectively provided with an insulating string 3 which is connected with each other, and the insulating strings 3 are connected through direct current wires so as to be convenient for conveying a power transmission line; the lightning conductor is connected with the soil through the grounding device and is used for introducing lightning current into the ground; the two cross arms 2 and the tower body 4 form a transmission line transmission channel, the transmission channel is provided with the insulation strings 3 connected through direct current wires, the transmission voltage capacity of a direct current transmission line iron tower is greatly increased, and meanwhile, the transmission line transmission channel is arranged up and down, so that the arrangement density of the transmission line is effectively improved, and the space occupation is reduced; the ventilation holes 6 are used for forming ventilation channels, so that the resistance to wind in strong wind is reduced, the gap stress is realized, and the stability of the whole tower is improved;
the base includes outer base 7 and the interior base 8 of being convenient for with body of the tower 4 fixed connection, and the middle part of outer base 7 is provided with the recess 9 of being convenient for interior base 8 installation, and the bottom of interior base 8 is provided with a plurality of spliced poles 10 of being convenient for to fix on outer base 7, is provided with a plurality of spliced eyes on the outer base 7, and spliced eye department all communicates the spliced pole 11 of being convenient for with spliced pole 10 complex, and the lateral part of spliced pole 11 still is provided with a plurality of overflow holes. The inner base 8 and the outer base 7 are both cylindrical; the inner base 8 is clamped in the groove 9 through interference fit, an opening 12 facilitating concrete filling is reserved on the outer base 7, the opening 12 is communicated with the inserting hole on the outer base 7, the concrete can conveniently flow into the inserting pipe 11 along the inserting hole, when the tower is installed, the outer base 7 is installed on the ground through the inserting pipe 11, the inserting pipe 11 is directly inserted into the ground, or a deep hole is firstly dug, then the inserting pipe 11 is inserted, after the outer base 7 is fixed, the inserting rod 10 is inserted into the inserting pipe 11, the inner base 8 is installed on the outer base 7, then the concrete is filled through the opening 12, the inserting pipe 11 is filled with the concrete and leaks out along the overflow hole, the inserting pipe 11 is connected with the external soil, the inserting rod 10 is connected with the inserting pipe 11, after the concrete is solidified, the tower body 4 is fixed on the inner base 8, the tower body 4 can be installed on the inner base 8 through a direct welding mode, or welding a mounting plate on the tower body 4, punching a hole on the inner base 8, and mounting the tower body 4 on the inner base 8 through the matching of a bolt and the mounting plate.
The inserting rod 10 and the inserting pipe 11 are both cylindrical, the pipe diameter of the inserting pipe 11 is larger than that of the inserting rod 10, a connecting gap is formed between the inserting rod 10 and the inserting pipe 11, concrete is convenient to fill, the inserting rod 10 and the inserting pipe 11 are condensed together, and a positioning hole matched with the inserting rod 10 in a positioning mode is further formed in the bottom of the inserting pipe 11. After the insertion rod 10 is inserted into the insertion pipe 11, the bottom of the insertion rod 10 is inserted into the positioning hole, so that the insertion rod 10 can be conveniently vertically positioned, and the left and right deviation can be avoided.
The insertion rod 10 and the insertion pipe 11 are both conical, so that the insertion pipe 11 can be conveniently inserted into the soil under the ground, and the insertion rod 10 can be conveniently inserted into the insertion pipe 11.
The number of the inserting rods 10 is 4-8, the 4-8 inserting rods 10 are uniformly arranged along the circumferential direction of the inner base 8, preferably, the number of the inserting rods 10 is 6, and the number of the inserting pipes 11 is 6, so that the outer base 7 can be better fixed underground, and the inner base 8 and the outer base 7 can be fixedly connected.
The transmission voltage capacity of the iron tower is +/-1100 kV.
The insulating cluster 3 is equipped with 8 altogether, and 8 insulating clusters 3 divide 4 groups to set up in the both sides of two cross arms 2, and the one end of 2 insulating clusters 3 of same department is passed through direct current wire and is connected, and the other end of 2 insulating clusters 3 is connected with body of the tower 4 and cross arm 2 respectively. The end part of the cross arm 2 is inclined, 2 insulation strings 3 at the same position are connected together in a V shape, and 8 insulation strings 3 form 4 extra-high voltage transmission loops.
The tower material of the iron tower is made of Q420 high-strength large-section angle steel, so that the safety of the iron tower in high-altitude and high-icing environments is improved, the use of combined angle steel is avoided to a certain extent, the processing amount of the iron tower is greatly reduced, the steel consumption of the iron tower is reduced, the construction amount and the construction difficulty of the iron tower assembly are greatly reduced, the structure is more reasonable, and the iron tower is safer.
The middle part and the lower part of the tower body 4 are also provided with balancing stands 5 for balancing the tower weight, and the balancing stands 5 are installed on the tower body 4 in a trapezoidal shape. The arrangement of the balance frame 5 avoids the condition that the heavy feet of the iron tower head 1 are light, effectively reduces the stress of the middle lower part of the tower body 4 and avoids the iron tower from bending.
Claims (8)
1. The utility model provides an extra-high voltage direct current transmission tower that application scope is wide which characterized in that: the iron tower comprises an iron tower body and a base convenient for the iron tower body to be installed and fixed, wherein the iron tower body comprises a tower head and a tower body, the tower head is installed on two sides of the top of the tower body in an antenna shape, and a lightning conductor is also installed on the tower head; the upper part of the tower body is transversely provided with two cross arms convenient for erecting a power transmission line from top to bottom, and a ventilation hole convenient for reducing stress is arranged on the tower body between the two cross arms; the lower parts of the two sides of the cross arm are respectively provided with an insulating string which is mutually connected, and the insulating strings are connected through a direct current lead to be convenient for conveying a power transmission line;
the base includes outer base and the interior base of being convenient for with body of the tower fixed connection, and the middle part of outer base is provided with the recess of being convenient for interior pedestal mounting, and the bottom of interior base is provided with a plurality of spliced poles of being convenient for fix to on the outer base, is provided with a plurality of spliced eyes on the outer base, and spliced eye department all communicates the pipe of being convenient for with spliced pole complex, and the lateral part of the pipe of pegging graft still is provided with a plurality of overflow holes.
2. The wide-application-range extra-high voltage direct current transmission tower according to claim 1, characterized in that: the inserted bar all is cylindricly with the grafting pipe, and the pipe diameter of grafting pipe is greater than the diameter of inserted bar, and the bottom of grafting pipe still is provided with inserted bar location fit's locating hole.
3. The wide-application-range extra-high voltage direct current transmission tower according to claim 1, characterized in that: the insertion rod and the insertion pipe are both conical.
4. The wide-application-range extra-high voltage direct current transmission tower according to claim 1, characterized in that: the number of the insertion rods is 4-8, and the 4-8 insertion rods are uniformly arranged along the circumferential direction of the inner base seat.
5. The wide-application-range extra-high voltage direct current transmission tower according to claim 1, characterized in that: the transmission voltage capacity of the iron tower is +/-1100 kV.
6. The wide-application-range extra-high voltage direct current transmission tower according to claim 1, characterized in that: the insulating cluster is equipped with 8 altogether, and 8 insulating clusters divide 4 groups to set up in the both sides of two cross arms, and the one end of 2 insulating clusters of same department is passed through the direct current wire and is connected, and the other end of 2 insulating clusters is connected with body of the tower and cross arm respectively.
7. The wide-application-range extra-high voltage direct current transmission tower according to claim 1, characterized in that: the tower material of the iron tower is made of Q420 high-strength large-section angle steel.
8. The wide-application-range extra-high voltage direct current transmission tower according to claim 1, characterized in that: the middle part and the lower part of the tower body are also provided with balancing stands used for balancing the tower weight, and the balancing stands are arranged on the tower body in a trapezoidal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020813584.5U CN212359290U (en) | 2020-05-15 | 2020-05-15 | Extra-high voltage direct current transmission tower with wide application range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020813584.5U CN212359290U (en) | 2020-05-15 | 2020-05-15 | Extra-high voltage direct current transmission tower with wide application range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212359290U true CN212359290U (en) | 2021-01-15 |
Family
ID=74149774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020813584.5U Active CN212359290U (en) | 2020-05-15 | 2020-05-15 | Extra-high voltage direct current transmission tower with wide application range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212359290U (en) |
-
2020
- 2020-05-15 CN CN202020813584.5U patent/CN212359290U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106998130A (en) | A kind of stability against earthquake structure of brace type converter valve tower | |
| CN104563578A (en) | Combined framework pillar for 500kV transformer substation and mounting method of combined framework pillar | |
| CN212359290U (en) | Extra-high voltage direct current transmission tower with wide application range | |
| CN200976471Y (en) | DC dual-polar vertical arrangement F-shaped transmission line series iron tower | |
| CN212478729U (en) | Two-phase composite cross arm tangent tower | |
| CN212957927U (en) | Same-tower double-circuit overhead transmission line drilling tower | |
| CN204754412U (en) | Same terminal pole of two telegram in reply cables at present of unilateral cross arm | |
| CN214659227U (en) | Double-loop Y-shaped steel pipe rod | |
| CN211313561U (en) | Connecting device for double-loop cable line and overhead line | |
| CN205935896U (en) | Deformed steel pipe pole is striden to brill | |
| CN204928052U (en) | Rod -type vertical arrangement compact transmission line | |
| CN214402981U (en) | Transmission line single loop wine glass tower | |
| CN213115749U (en) | Single-loop power transmission iron tower with front side and rear side different call heights | |
| CN202678841U (en) | Fast rush repair tower of high-voltage transmission lines | |
| CN210888265U (en) | Open loop tower | |
| CN210105440U (en) | Pole heightening device | |
| CN206775370U (en) | A kind of stability against earthquake structure of brace type converter valve valve tower | |
| CN209942341U (en) | Three-way cross arm steel pipe pole for double-circuit overhead line breaking | |
| CN207813166U (en) | A kind of quadrangle variable cross section-type equipment supporter of extra-high-voltage alternating current substation | |
| CN111540549A (en) | Three-hanging-point ground wire suspension insulator string | |
| CN103066523B (en) | High-tension transmission line quick repair tower | |
| CN212271775U (en) | Energy-saving power transmission iron tower | |
| CN216240034U (en) | A multistage formula wire pole for construction of 10 kilovolts of distribution network | |
| CN220964244U (en) | Cable support and transformer station | |
| CN115967017B (en) | Compact distribution outgoing line arrangement structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |