CN205370074U - Special high -tension transmission tower - Google Patents
Special high -tension transmission tower Download PDFInfo
- Publication number
- CN205370074U CN205370074U CN201620034903.6U CN201620034903U CN205370074U CN 205370074 U CN205370074 U CN 205370074U CN 201620034903 U CN201620034903 U CN 201620034903U CN 205370074 U CN205370074 U CN 205370074U
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- Prior art keywords
- insulating
- nexine
- outer layer
- transmission tower
- angle steel
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Abstract
The utility model discloses a special high -tension transmission tower, its tower head includes a plurality of horizontal poles and a plurality of angle steel, be connected with the angle steel between two arbitrary horizontal poles, the horizontal pole includes the insulating core, insulating nexine is with insulating outer, insulating nexine is the tube -shape and sets up firmly insulating core of parcel, insulating skin wraps up in insulating nexine outer wall, it has the fibrous layer to fill between insulating outer and insulating nexine, insulating outer both ends head is the sealed sealing connection head that has cup jointed all, the arbitrary two sealing connection heads of connecting same angle steel are pegged graft each other, the insulating core, insulating nexine, the fibrous layer, coaxial running through is equipped with two at least fixed orificess in proper order for insulating skin and sealing connection head, two perpendicular foot pieces of angle steel evenly are equipped with a plurality of mounting holes, mounting hole and fixed orifices be coaxial wears to be equipped with fastening bolt. The insulating nature of transmission tower is strong and the firmness is high, does benefit to the transportation before the transmission tower equipment more, and is also easier when laying, and reduction that its manufacturing can be great is to the pollution of environment, and its machining precision is high and with low costs, effectively shortens the production and processing time.
Description
Technical field
This utility model relates to a kind of power equipment, more specifically, it relates to a kind of UHV transmission tower.
Background technology
Power transmission tower is then the strong point of overhead transmission line, and setting up a loop on power transmission tower is then single loop power transmission tower, sets up Ze Shi double loop, two loops power transmission tower on power transmission tower.Iron tower of power transmission line, it is generally divided in shape: wine glass-shaped, cathead, upper font, dry font and barrel shape five kinds, divide by purposes and have: anchor support, tangent tower, angle tower, transposition tower (restringing phase position tower), terminal tower and crossover tower etc., their the various tower that is structurally characterized in that all belongs to space truss structure, rod member is mainly made up of single equal leg angle or combination angle steel, material generally uses Q235 (A3F) and Q345 (16Mn) two kinds, rough bolt it is connected by between rod member, by bolt by Shear connection, whole tower is by angle steel, junction steel plate and bolt composition, individual part such as column foot etc. is welded into a molectron by several block plates.
Whole steel tower is mainly made up of tower head, tower body and tower leg three parts, sharply changing (broken line occur) from tower leg up tower cross section, to go out above section be tower head, basis first paragraph pylon above is called tower leg, sharply change without cross section, the lower edge above section so descending cross-arm is tower head, and the part between tower leg and pylon is called tower body.The power transmission tower of current extra-high voltage is substantially what clean steel manufactured, weight is relatively larger, very inconvenient transport and building, add manufacture and cost of transportation, and it is big to lay difficulty, tower body and tower head insulating properties that additionally clean steel manufactures are bad, it is necessary to people use substantial amounts of insulator chain, increase processing and manufacturing cost.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is in that to provide a kind of UHV transmission tower, make power transmission tower insulating properties strong and firmness is high, it is more favorable for the transport before power transmission tower assembles, also it is more prone to during laying, it manufactures and can greatly reduce the pollution to environment, and its machining accuracy is high and cost is low, effectively shortens the production and processing time.
For achieving the above object, this utility model provides following technical scheme:
A kind of UHV transmission tower, including the tower leg set gradually, tower body and tower head, described tower head includes some cross bars and some angle steel, it is connected to angle steel between any two cross bars, described cross bar includes insulating core, insulation nexine and insulating outer layer, described insulation nexine is in a cylindrical shape setting and wraps insulating core, described insulating outer layer is wrapped in insulation nexine outer wall, it is filled with fibrous layer between described insulating outer layer and insulation nexine, the equal sealing shroud of two ends of described insulating outer layer is connected to joint for sealing connecting, any two joint for sealing connectings connecting same angle steel are mutually inserted, described insulating core, insulation nexine, fibrous layer, insulating outer layer and joint for sealing connecting sequentially coaxially run through and are provided with at least two fixing hole, two vertical leg sheets of described angle steel are all uniformly provided with some installing holes, described installing hole and fixing hole are coaxially equipped with fastening bolt.
Further improvement as technique scheme:
Described joint for sealing connecting includes being socketed on the sealed inserted piece on same cross bar and Seal Kit respectively, described sealed inserted piece and the equal end face of Seal Kit are provided with the cavity for being sheathed with on cross bar, the outer wall of described sealed inserted piece and Seal Kit is equipped with at least one pair of face being mutually right angle, fixing hole is opened in above-mentioned a pair and is mutually the face at right angle, and the Seal Kit of the sealed inserted piece of any one cross bar and another cross bar being connected to same angle steel removably connects.
Described sealed inserted piece offers the other end of cavity and is provided with inserted block, and described Seal Kit offers the other end of cavity and is provided with set block, and described set block offers the inserting groove for inserted block grafting.
Described sealed inserted piece offers the other end of cavity and is provided with plug-in unit hook, and described Seal Kit offers the other end of cavity and is provided with external member hook, described plug-in unit hook and the connection of external member fastener hook.
Described insulating core is made up of foam, and described insulation nexine is made cylindrical shape by FRIM, and described insulating core cuts into cylindric being arranged in insulation nexine.
Described fibrous layer is made up of glass fibre, and described insulating outer layer is made cylindrical shape by FRIM, and described insulation nexine wears in insulating outer layer, and fibrous layer is filled between insulation nexine and insulating outer layer.
By adopting technique scheme, cross bar is arranged to the multiple structure of insulating core, insulation nexine and insulating outer layer, it is possible to the effective insulating properties strengthening cross bar, reduces the spacing of three-phase conducting wire, it is ensured that UHV transmission tower can use safely normally；Insulation nexine and insulating core are to wrap up layer by layer, and insulating outer layer and insulation nexine are to wrap up layer by layer so that the insulating properties of cross bar can be increased dramatically；Being connected of any two cross bar is all allow the termination of cross bar and Bolted angle connection, two ends in insulating outer layer seals socket joint for sealing connecting, under sealing state, insulating properties are more, it is possible to further enhance the insulating properties of UHV transmission tower, the effective use reducing insulator chain；Each insulating barrier of cross bar all coaxially offers some fixing holes, allow one to regulate easily the length that cross bar is linked in angle steel, thus facilitating staff to assemble the tower head of UHV transmission tower of all size, and multiple fixing hole coordinates the setting of multiple installing holes, enabling to staff can with the cross bar of less specification when transport, it is more favorable for the transport before power transmission tower assembles, is also more prone to during laying；Laser cutting machine and laser-beam drilling machine is adopted to manufacture each several part of UHV transmission tower, can greatly reduce the pollution to environment, and its machining accuracy is high and cost is low, it is possible to substitute some punching process methods needing to adopt complex large-sized mould, effectively shorten the production and processing time.
Accompanying drawing explanation
Fig. 1 is the shape assumption diagram of this utility model UHV transmission tower embodiment；
Fig. 2 is the cross bar structure chart with Bolted angle connection of this utility model UHV transmission tower；
Fig. 3 is the cross bar sectional view with Bolted angle connection of this utility model UHV transmission tower；
Fig. 4 is the attachment structure figure of the joint for sealing connecting embodiment one of this utility model UHV transmission tower；
Fig. 5 is the attachment structure figure of the joint for sealing connecting embodiment two of this utility model UHV transmission tower.
Accompanying drawing labelling:
1, tower leg；2, tower body；3, tower head；4, cross bar；5, angle steel；51, the first angle steel；511, installing hole；52, the second angle steel；61, the first cross bar；62, the second cross bar；63, the 3rd cross bar；64, insulating core；65, insulation nexine；66, fibrous layer；67, insulating outer layer；7, joint for sealing connecting；71, sealed inserted piece；711, inserted block；712, plug-in unit hook；72, Seal Kit；721, set block；722, external member hook；8, fixing hole.
Detailed description of the invention
Referring to figs. 1 through Fig. 5, this utility model UHV transmission tower embodiment is described further.
nullA kind of UHV transmission tower，Including the tower leg 1 set gradually、Tower body 2 and tower head 3，Described tower head 3 includes some cross bars 4 and some angle steel 5，It is connected to angle steel 5 between any two cross bars 4，Described cross bar 4 includes insulating core 64、Insulation nexine 65 and insulating outer layer 67，Described insulation nexine 65 is in a cylindrical shape setting and wraps insulating core 64，Described insulating outer layer 67 is wrapped in insulation nexine 65 outer wall，It is filled with fibrous layer 66 between described insulating outer layer and insulation nexine 65，The equal sealing shroud of two ends of described insulating outer layer 67 is connected to joint for sealing connecting 7，Any two joint for sealing connectings 7 connecting same angle steel 5 are mutually inserted，Described insulating core 64、Insulation nexine 65、Fibrous layer 66、Insulating outer layer 67 and joint for sealing connecting 7 sequentially coaxially run through and are provided with at least two fixing hole 8，Two vertical leg sheets of described angle steel 5 are all uniformly provided with some installing holes 511，Described installing hole 511 and fixing hole 8 are coaxially equipped with fastening bolt.
By adopting technique scheme, cross bar 4 is arranged to the multiple structure of insulating core 64, insulation nexine 65 and insulating outer layer 67, it is possible to the effective insulating properties strengthening cross bar 4, reduces the spacing of three-phase conducting wire, it is ensured that UHV transmission tower can use safely normally；Insulation nexine 65 and insulating core 64 are to wrap up layer by layer, and insulating outer layer 67 and insulation nexine 65 are to wrap up layer by layer so that the insulating properties of cross bar 4 can be increased dramatically；Being connected of any two cross bar 4 is all allow the termination of cross bar 4 be connected with angle steel 5, two ends in insulating outer layer 67 seals socket joint for sealing connecting 7, under sealing state, insulating properties are more, it is possible to further enhance the insulating properties of UHV transmission tower, the effective use reducing insulator chain；Each insulating barrier of cross bar 4 all coaxially offers some fixing holes 8, allow one to regulate cross bar 4 easily and be linked into the length in angle steel 5, thus facilitating staff to assemble the tower head 3 of UHV transmission tower of all size, and multiple fixing hole 8 coordinates the setting of multiple installing hole 511, enabling to staff can cross bar 4 with less specification when transport, it is more favorable for the transport before power transmission tower assembles, is also more prone to during laying.
Described joint for sealing connecting 7 includes being socketed on the sealed inserted piece 71 on same cross bar 4 and Seal Kit 72 respectively, described sealed inserted piece 71 and the equal end face of Seal Kit 72 are provided with for being sheathed with the cavity on cross bar 4, and the Seal Kit 72 of the sealed inserted piece 71 of any one cross bar 4 and another cross bar 4 being connected to same angle steel 5 removably connects.
As shown in Figure 2,3rd cross bar 63 and first equal one end of cross bar 61 connect the first angle steel 51, first cross bar 61 and second equal one end of cross bar 62 connect the second angle steel 52, the Seal Kit 72 of the Seal Kit 72 and the 3rd cross bar 63 that are all connected with the first cross bar 61 of the first angle steel 51 removably connects, and the Seal Kit 72 of the sealed inserted piece 71 and the second cross bar 62 that are all connected with the first cross bar 61 of the second angle steel 52 removably connects.The two ends of one cross bar 4 are respectively provided with sealed inserted piece 71 and Seal Kit 72, make to connect between two cross bars 4 of same angle steel 5 except being connected with each other by angle steel 5, further removably connect between the two, make the attachment structure close and firm more of tower head 3, damage there being angle steel 5, or when having cross bar 4 to damage, three is still able to remain stable for firmly annexation, the structure of high voltage power transmission tower firm stable more.The outer wall of described sealed inserted piece 71 and Seal Kit 72 is equipped with at least one pair of face being mutually right angle, fixing hole 8 is opened in above-mentioned a pair and is mutually the face at right angle, it is primarily to the setting of two steel square 5 of adaptive angle steel 5, so that the close and firm more of the connection between angle steel 5 and cross bar 4.
The other end that described sealed inserted piece 71 offers cavity is provided with inserted block 711, and the other end that described Seal Kit 72 offers cavity is provided with set block 721, and described set block 721 offers the inserting groove for inserted block 711 grafting.Reach to removably connect by the grafting between inserted block 711 and set block 721 between sealed inserted piece 71 and Seal Kit 72.This mode is suitable between two cross bars 4 linearly link together, or the situation that low-angle links together.
The other end that described sealed inserted piece 71 offers cavity is provided with plug-in unit hook 712, and the other end that described Seal Kit 72 offers cavity is provided with external member hook 722, described plug-in unit hook 712 and external member hook 722 clasp and connects.This mode is suitable between two cross bars 4 have bigger connection angle after angle cleat 5, in wide-angle situation, can also rotate bigger angle after mutually catching between plug-in unit hook 712 and external member hook 722, can meet people and install and use on a large scale.
Described insulating core 64 is made up of foam, and described insulation nexine 65 is made cylindrical shape by FRIM, and described insulating core 64 cuts into cylindric being arranged in insulation nexine 65.Described fibrous layer 66 is made up of glass fibre, and described insulating outer layer 67 is made cylindrical shape by FRIM, and described insulation nexine 65 wears in insulating outer layer 67, and fibrous layer 66 is filled between insulation nexine 65 and insulating outer layer 67.The insulating core 64 of foam is lightweight, cheap, good insulation preformance, same FRIM and glass fibre are all lighter weight and cheap material, compared to the power transmission tower that clean steel manufactures, the convenient transport of lightweight and build power transmission tower, also more economical in price；Also to ensure that the firmness of power transmission tower and supporting power, FRIM will be adopted as insulation nexine 65 and insulating outer layer 67, effectively utilize the advantage that the intensity of FRIM is high；Additionally FRIM is capable of withstanding that high temperature, ageing-resistant (work under high-end trim for a long time and be unlikely to deform), water resistance be good, noninflammability and heat insulation good etc. advantage, cross bar 4 lowered in field environment can both be made when severe, to keep good experience, the effective overall service life extending UHV transmission tower.
A kind of technique manufacturing above-mentioned UHV transmission tower, comprises the steps:
A, choose the FRIM of tubular as insulation nexine 65；
B, insulating core 64 filling choosing external diameter suitable with the internal diameter of insulation nexine 65 penetrate to insulation nexine 65；
C, choose the internal diameter FRIM more than the tubular of the external diameter of insulating outer layer 67, as insulating outer layer 67, and insulating outer layer 67 is sheathed with insulation nexine 65；
D, insulating outer layer 67 and insulation nexine 65 between uniform filling enter fibrous layer 66, thus tentatively obtain entirety cross bar 4；
E, the dimensional requirement of overall cross bar 4 power transmission tower as required obtained in step d is cut into different length；
F, fixing hole 8 is all offered at the both ends of the cross bar 4 cut in step e, it is two rows that described fixing hole 8 is offered, and two row's fixing hole 8 on the outer wall of insulating outer layer 67, be in same radial direction, and two row's fixing holes 8 are radially arrange in 90 ° of angles in insulating outer layer 67；
G, casting processing Seal Kit 72, sealed inserted piece 71, junction steel plate, angle cleat 5 and screw bolt and nut, and offered installing hole 511；
H, to the workpiece hot galvanized layer processed in step g；
I, assembling.
Due to the high intensity of FRIM, and the hardness of the miscellaneous part of power transmission tower that steel is made is bigger, it is preferable that described cutting cross bar 4, Seal Kit 72, sealed inserted piece 71, junction steel plate, angle cleat 5 cutting machine all adopt laser cutting machine.Described installing hole 511 and fixing hole 8 all adopt laser-beam drilling machine to offer.Laser cutting is to instead of traditional mechanical blades with sightless light beam, it is possible to greatly reduce the pollution to environment.
Additionally the mechanical part of laser cutting machine and laser-beam drilling machine with process power transmission tower each building block time be touchless, working surface will not be caused scuffing at work;Cut speed is fast, and smooth cut is smooth, generally without following process;Cutting heat affected area is little, and sheet deformation is little, and joint-cutting is narrow and otch does not have mechanical stress, without shear burr, compared with traditional plasma cutting or flame cutting, has at a high speed, in high precision and the feature of high-adaptability.Not needing mould during cut sheet material, Automatic Typesetting saves material, and processing cost is low, it is possible to substitute some punching process methods needing to adopt complex large-sized mould simultaneously, effectively shortens the cycle of production and processing UHV transmission tower.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. a UHV transmission tower, including the tower leg set gradually, tower body and tower head, described tower head includes some cross bars and some angle steel, it is connected to angle steel between any two cross bars, it is characterized in that: described cross bar includes insulating core, insulation nexine and insulating outer layer, described insulation nexine is in a cylindrical shape setting and wraps insulating core, described insulating outer layer is wrapped in insulation nexine outer wall, it is filled with fibrous layer between described insulating outer layer and insulation nexine, the equal sealing shroud of two ends of described insulating outer layer is connected to joint for sealing connecting, any two joint for sealing connectings connecting same angle steel are mutually inserted, described insulating core, insulation nexine, fibrous layer, insulating outer layer and joint for sealing connecting sequentially coaxially run through and are provided with at least two fixing hole, two vertical leg sheets of described angle steel are all uniformly provided with some installing holes, described installing hole and fixing hole are coaxially equipped with fastening bolt.
2. UHV transmission tower according to claim 1, it is characterized in that: described joint for sealing connecting includes being socketed on the sealed inserted piece on same cross bar and Seal Kit respectively, described sealed inserted piece and the equal end face of Seal Kit are provided with the cavity for being sheathed with on cross bar, the outer wall of described sealed inserted piece and Seal Kit is equipped with at least one pair of face being mutually right angle, fixing hole is opened in above-mentioned a pair and is mutually the face at right angle, and the Seal Kit of the sealed inserted piece of any one cross bar and another cross bar being connected to same angle steel removably connects.
3. UHV transmission tower according to claim 2, it is characterized in that: described sealed inserted piece offers the other end of cavity and is provided with inserted block, described Seal Kit offers the other end of cavity and is provided with set block, and described set block offers the inserting groove for inserted block grafting.
4. UHV transmission tower according to claim 2, it is characterised in that: described sealed inserted piece offers the other end of cavity and is provided with plug-in unit hook, and described Seal Kit offers the other end of cavity and is provided with external member hook, described plug-in unit hook and the connection of external member fastener hook.
5. the UHV transmission tower according to claim 1 or 2 or 3 or 4, it is characterised in that: described insulating core is made up of foam, and described insulation nexine is made cylindrical shape by FRIM, and described insulating core cuts into cylindric being arranged in insulation nexine.
6. UHV transmission tower according to claim 5, it is characterized in that: described fibrous layer is made up of glass fibre, described insulating outer layer is made cylindrical shape by FRIM, and described insulation nexine wears in insulating outer layer, and fibrous layer is filled between insulation nexine and insulating outer layer.
7. the UHV transmission tower according to claim 1 or 2 or 3 or 4, it is characterized in that: described fibrous layer is made up of glass fibre, described insulating outer layer is made cylindrical shape by FRIM, described insulation nexine wears in insulating outer layer, and fibrous layer is filled between insulation nexine and insulating outer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620034903.6U CN205370074U (en) | 2016-01-14 | 2016-01-14 | Special high -tension transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620034903.6U CN205370074U (en) | 2016-01-14 | 2016-01-14 | Special high -tension transmission tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205370074U true CN205370074U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620034903.6U Expired - Fee Related CN205370074U (en) | 2016-01-14 | 2016-01-14 | Special high -tension transmission tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205370074U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507649A (en) * | 2016-01-14 | 2016-04-20 | 温州泰昌铁塔制造有限公司 | Extra-high-voltage power transmission tower and manufacturing technology thereof |
| CN106812370A (en) * | 2016-12-16 | 2017-06-09 | 国网北京市电力公司 | Direct current transportation tower |
-
2016
- 2016-01-14 CN CN201620034903.6U patent/CN205370074U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507649A (en) * | 2016-01-14 | 2016-04-20 | 温州泰昌铁塔制造有限公司 | Extra-high-voltage power transmission tower and manufacturing technology thereof |
| CN106812370A (en) * | 2016-12-16 | 2017-06-09 | 国网北京市电力公司 | Direct current transportation tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20200114 |