CN212224847U - Anti-icing type straight line iron tower for power transmission line - Google Patents
Anti-icing type straight line iron tower for power transmission line Download PDFInfo
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- CN212224847U CN212224847U CN202021927059.2U CN202021927059U CN212224847U CN 212224847 U CN212224847 U CN 212224847U CN 202021927059 U CN202021927059 U CN 202021927059U CN 212224847 U CN212224847 U CN 212224847U
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Abstract
The utility model discloses an anti-icing type is straight line iron tower for power transmission line includes body of the tower and cross arm, the cross arm is fixed to be set up in the body of the tower top, and the cross arm is truss structure, and the chord member and the web member of cross arm all include insulating inner core and insulating outer layer, form the intermediate layer between insulating inner core and the insulating outer layer, pack insulating filler in the intermediate layer; the tower body includes many support columns, the support column is angle steel and inboard all laminating and is provided with the heat pipe that is used for heating the deicing. The utility model discloses an internal surface setting of support column is hugged closely to the heat pipe, with the heat transfer give the support column can eliminate adnexed ice on the support column fast, alleviate the tower body heavy burden, also reduce the corruption of ice and snow to the tower body, improve the mechanical strength of tower body.
Description
Technical Field
The utility model relates to a basic electric power facility, in particular to straight line iron tower for anti-icing type power transmission line.
Background
In high-voltage transmission facilities, overhead lines consisting of iron towers, insulators and wires play an important role in transmission systems.
The existing iron tower structure is mainly made of various section steels, an insulator string for hanging a lead is arranged on the tower, as an overhead line is exposed in the field for a long time, the overhead line is inevitably threatened by natural adverse factors such as dirt, thunder and lightning in operation, when the surface of an insulator of the insulator string is polluted, the dirt and dust on the insulating surface are wetted under meteorological conditions such as fog, dew, rain, snow and the like, and due to the action of an external voltage, the lead is grounded through the surface of the insulator, a cross arm and an iron lap to cause an electric leakage accident, and when the current is serious, the insulator can even cause a pollution flashover phenomenon to cause line tripping or system collapse, so that huge loss is caused; in addition, when the tower top of the iron tower or the line is struck by lightning, the generated overvoltage can easily cause insulator flashover, so that the line trips, and the safe and stable operation of the power system is threatened.
Especially in the severe cold ice region, when more ice is covered on the cross arm and the tower body, the potential safety hazard is caused to the iron tower, the tower body is used as the only bearing foundation of the whole iron tower, the bearing requirement on the tower body is further increased due to the increase of the ice covering amount, the common iron tower collapses because the load of the tower body is increased due to the excessive ice covered on the surface, the ice covered on the tower body can also cause great corrosion to the steel structure of the tower body in the process of gradually melting, the service life of the iron tower is greatly shortened
In a high-voltage transmission system, the linear iron tower is the most common iron tower, has the defects, improves the defects of the conventional linear iron tower, improves the ice resistance of the conventional linear iron tower, has good ice resistance in the operation of an extremely cold ice-covered area, avoids the mechanical damage of a tower body, and has great significance for ensuring the safe, stable and energy-saving operation of a transmission line.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an anti-icing type straight line iron tower for power transmission line, this iron tower have stronger anti-icing ability, have good anti-icing ability when extremely cold icing district operation, avoid the body of the tower to take place mechanical damage, can effectively improve security, stability and the energy-conservation nature of power transmission line operation.
The utility model discloses an anti-icing type is linear iron tower for power transmission line, including body of the tower and cross arm, the cross arm is fixed to be set up in the body of the tower top, and the cross arm is the truss structure, and the chord member and the web member of cross arm all include insulating inner core and insulating outer, form the intermediate layer between insulating inner core and the insulating outer, pack insulating filler in the intermediate layer, insulating filler is the mixture that fluororesin, nanometer silica, curing agent, butyl acetate etc. constitute according to a certain proportion, and chord member and web member pass through insulating bolt and connect, and during the use, because the cross arm adopts insulating material to make, relative conventional like iron tower, the tower weight has alleviateed 15% ~ 30%, and the face dielectric strength between wire to the iron tower ground connection increases 100% ~ 180%, and the anti-icing capacity of power transmission line is showing and improves, has effectively ensured the operation of transmission system safety; the tower body includes many support columns, the support column is provided with the heat pipe that is used for heating the deicing for angle steel and inboard all laminating, and the internal surface setting of support column is hugged closely to the heat pipe, transmits the heat and gives the support column can eliminate adnexed ice on the support column fast, alleviates the tower body and bears a burden, also reduces the corruption of ice and snow to the tower body, improves the mechanical strength of tower body.
Further, the heat conduction pipe is a round pipe or a square pipe, can adapt to high-humidity and low-temperature environments, is light in weight, corrosion-resistant, anti-aging and good in heat conduction performance, can ensure good performance under extremely cold conditions, and generally adopts a copper pipe and an alloy pipe.
Furthermore, the end of the heat conduction pipe is externally connected with a hot air source and forms air flow circulation, the air flow circulation is achieved, heat is transferred to the ice and snow on the supporting columns, the ice and snow are quickly ablated, the load of the supporting columns is reduced, and the mechanical strength of the tower body is improved.
Furthermore, the end of the heat conduction pipe is externally connected with a hot water source and forms water flow circulation, and the water flow circulation is achieved, so that heat is transferred to the ice and snow on the support column, the ice and snow are quickly ablated, the load of the support column is reduced, and the mechanical strength of the tower body is improved.
Furthermore, the anti-freezing solution is added in the hot water source of the heat conduction pipe, and the anti-freezing solution is mainly used for preventing the heat conduction pipe from being damaged due to the fact that hot water in the heat conduction pipe freezes ice when meeting cold, or preventing water flow circulation in the heat conduction pipe from being influenced due to the fact that the hot water freezes ice.
Furthermore, the insulating inner core is made of glass fiber reinforced plastic, epoxy resin or carbon fiber, and the glass fiber reinforced plastic not only can well meet the requirements of the transverse supporter on strength, impact resistance, corrosion resistance and heat resistance, but also is easy to obtain.
Furthermore, the insulating outer layer is made of silica gel, rubber or plastics, so that an excellent insulating effect is achieved, and the elastic characteristic of the insulating outer layer is favorable for fixing the insulator string.
Utility model's beneficial effect: the utility model discloses an anti-icing type is sharp iron tower for power transmission line, including body of the tower and cross arm, the cross arm is fixed to be set up in the body of the tower top, and the cross arm is truss structure, and the chord member and the web member of cross arm all include insulating inner core and insulating outer layer, form the intermediate layer between insulating inner core and the insulating outer layer, pack insulating filler in the intermediate layer, during the use, because the cross arm adopts insulating material to make, relative conventional homogeneous iron tower, not only has characteristics such as light in weight, high mechanical strength, shock resistance, corrosion resistance and heat resistance are good, can effectively improve the ability of anti-pollution flashover and thunderbolt of iron tower, ensures transmission system safety, stability, energy-conserving operation, the body of the tower includes many support columns, the support column is the angle steel and the inboard all laminating is provided with the heat pipe that is used for heating deicing, the interior surface setting of support column is hugged closely to the heat, the weight of the tower body is reduced, the corrosion of ice and snow to the tower body is also reduced, and the mechanical strength of the tower body is improved.
Drawings
The invention is further described with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the chords and web members of the cross arm;
FIG. 3 is a schematic cross-sectional view of a support column and a heat pipe;
FIG. 4 is a schematic cross-sectional view of a support column and a heat pipe.
Detailed Description
Fig. 1 is the utility model discloses a structural schematic diagram, fig. 2 are the structural schematic diagram of the chord member and the web member of cross arm, and fig. 3 is the cross section schematic diagram of support column and heat pipe, and fig. 4 is the cross section schematic diagram of support column and heat pipe, as shown in the figure: the anti-icing type linear iron tower for the power transmission line comprises a tower body and a cross arm 2, wherein the cross arm 2 is fixedly arranged at the top of the tower body, the cross arm 2 is of a truss structure, the chord member 3 and the web member 4 of the cross arm 2 both comprise an insulating inner core 11 and an insulating outer layer 12, an interlayer is formed between the insulating inner core 11 and the insulating outer layer 12, an insulating filler 13 is filled in the interlayer, the insulating filler 13 is a mixture formed by fluororesin, nano silica, a curing agent, butyl acetate and the like according to a certain proportion, the chord member 3 and the web member 4 are connected through an insulating bolt, when the anti-icing type linear iron tower is used, the cross arm 2 is made of an insulating material, compared with a conventional similar iron tower, the tower weight is reduced by 15% -30%, the surface insulating strength between a lead and the iron tower grounding is increased by 100% -180%, the anti-icing capacity of the power transmission line, Energy-saving operation; the body of the tower includes many support columns 1, support column 1 is provided with the heat pipe 5 that is used for heating the deicing for angle steel and inboard all laminating, and the internal surface setting of support column 1 is hugged closely to heat pipe 5, and it can eliminate adnexed ice on the support column 1 fast to pass the heat to support column 1, alleviates the body of the tower heavy burden, also reduces the corruption of ice and snow to the body of the tower, improves the mechanical strength of body of the tower.
In this embodiment, the heat pipe 5 is a round pipe or a square pipe, the heat pipe 5 can adapt to a high-humidity low-temperature environment, and has the advantages of light weight, corrosion resistance, aging resistance, good heat conductivity, and capability of ensuring good performance under an extremely cold condition, and a copper pipe and an alloy pipe are generally used.
In this embodiment, the end of the heat conducting pipe 5 is externally connected with a hot air source and forms air flow circulation, and the air flow circulation transfers heat to the ice and snow on the supporting column 1, so that the ice and snow are quickly ablated, the load of the supporting column 1 is reduced, and the mechanical strength of the tower body is improved.
In this embodiment, the end of the heat conducting pipe 5 is externally connected with a hot water source and forms water circulation, and the water circulation transfers heat to the ice and snow on the supporting column 1, so that the ice and snow are quickly ablated, the load of the supporting column 1 is reduced, and the mechanical strength of the tower body is improved.
In this embodiment, the anti-freezing solution is added to the hot water source of the heat conduction pipe 5, and the anti-freezing solution is mainly used to prevent the heat conduction pipe 5 from being damaged due to the ice formed by the cold hot water in the heat conduction pipe 5 or to prevent the water flow circulation in the heat conduction pipe 5 from being influenced by the ice.
In this embodiment, the insulating inner core 11 is made of glass fiber reinforced plastic, epoxy resin or carbon fiber, and the glass fiber reinforced plastic not only can well meet the requirements of the cross arm 2 in strength, impact resistance, corrosion resistance and heat resistance, but also is easy to obtain.
In this embodiment, the insulating outer layer 12 is made of silica gel, rubber or plastic, so as to achieve an excellent insulating effect, and the elastic property of the insulating outer layer is also beneficial to fixing the insulator string.
The utility model discloses an anti-icing type is straight line iron tower for power transmission line, including body of the tower and cross arm 2, cross arm 2 is fixed to be set up in the body of the tower top, and cross arm 2 is the truss structure, and chord member 3 and web member 4 of cross arm 2 all include insulating inner core 11 and insulating outer 12, form the intermediate layer between insulating inner core 11 and the insulating outer 12, pack insulating filler 13 in the intermediate layer, during the use, because cross arm 2 adopts insulating material to make, not only have light in weight, mechanical strength height, shock resistance, corrosion resistance and heat resistance characteristics such as good with heat resistance, can effectively improve the ability of iron tower antifouling sudden strain of a muscle and thunderbolt moreover, ensure transmission system safety, stability, energy-conserving operation, the body of the tower includes many support columns 1, support column 1 is the angle steel and inboard all laminating be provided with heat pipe 5 that is used for heating deicing, heat pipe 5 hugs closely the internal surface setting of support, the heat is transferred to the supporting column 1, so that ice attached to the supporting column 1 can be quickly eliminated, the load of the tower body is reduced, the corrosion of the ice and the snow to the tower body is also reduced, and the mechanical strength of the tower body is improved.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The utility model provides an anti-icing type straight line iron tower for power transmission line, includes body of the tower and cross arm, its characterized in that: the cross arm is fixedly arranged at the top of the tower body and is of a truss structure, the chord members and the web members of the cross arm comprise insulating inner cores and insulating outer layers, an interlayer is formed between the insulating inner cores and the insulating outer layers, and insulating filling agents are filled in the interlayer; the tower body includes many support columns, the support column is angle steel and inboard all laminating and is provided with the heat pipe that is used for heating the deicing.
2. The pylon for ice protection type transmission lines according to claim 1, wherein: the heat conduction pipe is a round pipe or a square pipe.
3. The pylon for ice protection type transmission lines according to claim 2, wherein: the end of the heat conduction pipe is externally connected with a hot air source and forms air circulation.
4. The pylon for ice protection type transmission lines according to claim 2, wherein: the end of the heat conduction pipe is externally connected with a hot water source and forms water circulation.
5. The pylon for ice protection type transmission lines according to claim 4, wherein: and anti-freezing solution is added into the hot water source of the heat conduction pipe.
6. The pylon for ice protection type transmission lines according to claim 1, wherein: the insulating inner core is made of glass fiber reinforced plastic, epoxy resin or carbon fiber.
7. The pylon for ice protection type transmission lines according to claim 6, wherein: the insulating outer layer is made of silica gel, rubber or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021927059.2U CN212224847U (en) | 2020-09-05 | 2020-09-05 | Anti-icing type straight line iron tower for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021927059.2U CN212224847U (en) | 2020-09-05 | 2020-09-05 | Anti-icing type straight line iron tower for power transmission line |
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| Publication Number | Publication Date |
|---|---|
| CN212224847U true CN212224847U (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021927059.2U Active CN212224847U (en) | 2020-09-05 | 2020-09-05 | Anti-icing type straight line iron tower for power transmission line |
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| CN (1) | CN212224847U (en) |
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2020
- 2020-09-05 CN CN202021927059.2U patent/CN212224847U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Straight line tower for anti icing transmission line Effective date of registration: 20220412 Granted publication date: 20201225 Pledgee: China Construction Bank Corporation Chongqing Beibei sub branch Pledgor: CHONGQING GUANGREN TOWER MANUFACTURING Co.,Ltd. Registration number: Y2022500000018 |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 400707 No.95, Jiade Avenue, caijiagang Town, Beibei District, Chongqing Patentee after: Chongqing Guangren Iron Tower Manufacture Co.,Ltd. Address before: 400707 No.95, Jiade Avenue, caijiagang Town, Beibei District, Chongqing Patentee before: CHONGQING GUANGREN TOWER MANUFACTURING Co.,Ltd. |