CN201809780U - Novel iron tower foundation insulation and anti-corrosion device - Google Patents
Novel iron tower foundation insulation and anti-corrosion device Download PDFInfo
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- CN201809780U CN201809780U CN2010205076979U CN201020507697U CN201809780U CN 201809780 U CN201809780 U CN 201809780U CN 2010205076979 U CN2010205076979 U CN 2010205076979U CN 201020507697 U CN201020507697 U CN 201020507697U CN 201809780 U CN201809780 U CN 201809780U
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- glass fiber
- fiber reinforced
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- epoxy resin
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Abstract
The utility model relates to an insulation and anti-corrosion measure for an iron tower foundation, in particular to an insulation and anti-corrosion device of a benched foundation and a digging foundation, specifically a novel iron tower foundation insulation and anti-corrosion device. In the novel iron tower foundation insulation and anti-corrosion device, the bottom of a pit is provided with a concrete cushion; glass fiber cloth and epoxy resin are paved on the concrete cushion; the glass fiber cloth and epoxy resin are paved on the inner side of a bottom plate mold box; glass steel gaskets 1 are arranged on the glass fiber cloth and the epoxy resin; and tower seat plates are arranged on the glass steel gaskets 1, and the like. The novel iron tower foundation insulation and anti-corrosion device can conveniently and effectively realize the insulation and anti-corrosion of the iron tower foundation, and meets the requirements of 'Code for Construction and Acceptance of Overhead Earth Electrode Line of +/-800kv DC Transmission System'.
Description
Technical field
The utility model relates to a kind of insulating corrosion measure of iron tower foundation, relates in particular to the insulating corrosion device of ladder basis and digging foundation, is specially novel iron tower foundation insulating corrosion device.
Background technology
In the DC transmission system, the earthing pole circuit is big at the earth current of utmost point location, for preventing the direct current line residual current iron tower foundation is caused galvano-cautery, and prevents that formation circulation causes galvano-cautery to iron tower on iron tower.According to " built on stilts earthing pole line construction of ± 800kV DC transmission system and standards of acceptance " the 3.7th regulation, the iron tower of earthing pole circuit in 2 kilometers of distance earthing pole feed system outer shrouds, its basis all should carry out anti-corrosion insulation with iron tower by designing requirement to the basis over the ground to be handled.According to the explanation of " built on stilts earthing pole line construction of ± 800kV DC transmission system and standards of acceptance " interpretation of section 7.2.2 bar, 8.3.3 bar, the basis should be greater than 500 Europe to the insulaion resistance of the earth, and iron tower should be greater than 500 Europe to the insulaion resistance on basis.
For reaching code requirement, general basic insulating corrosion and the anticorrosion two parts of tower insulation of adopting of design are implemented.The glass fiber reinforced epoxy resin composite material is commonly called as glass fiber reinforced plastic, and it has superior electrical insulation capability, acid-alkali-corrosive-resisting performance and anti-permeability performance etc.But since in the undisturbed soil digging foundation hole narrow airtight, air-flow is not smooth, the common anti-corrosion material that adopts---the noxious material that asphalt varnish volatilized is unfavorable for constructor's health.
Summary of the invention
The utility model is just at above technical problem, a kind of with low cost, easy construction is provided, can effectively realizes the insulating corrosion of iron tower foundation and satisfies the requirement of " built on stilts earthing pole line construction of ± 800kV DC transmission system and standards of acceptance ".
Concrete technical scheme of the present utility model is as follows:
Novel iron tower foundation insulating corrosion device, comprise concrete cushion, epoxy resin, glass fabric, stone bolt, glass fiber reinforced plastic pad one, glass fiber reinforced plastic pad two and tower seat board, bottom in the hole is provided with a concrete cushion, on concrete cushion, lay glass fabric and epoxy resin, glass fabric and epoxy resin are laid in inboard at the base plate diaphragm capsule, glass fiber reinforced plastic pad one is set on glass fabric and epoxy resin, the tower seat board is set on glass fiber reinforced plastic pad one, glass fiber reinforced plastic pad two is set on the tower seat board, stone bolt is arranged in the base plate diaphragm capsule and inserts glass fiber reinforced plastic pad one, glass fiber reinforced plastic pad two and tower seat board, upper end at stone bolt is provided with nut, stone bolt and glass fiber reinforced plastic pad one, the position filling epoxy resin that glass fiber reinforced plastic pad two is connected with the tower seat board is at nut, glass fiber reinforced plastic pad one, glass fiber reinforced plastic pad two and tower seat board are smeared one deck epoxy resin again.
Empire cloth is that the glass fabric more than three layers or three layers links together.
The ladder basis generally is used under the weak geological conditions, groundwater table height, the water yield are enriched, therefore to insulation basic below the underground water level, palpus is prefabricated large-area empire cloth in advance, directly empire cloth is layered on the sole plate during construction, at base plate diaphragm capsule medial pad empire cloth, cast finish one deck step after the empire cloth of good next step of splicing, casting the mode of second layer step again constructs, to more than the groundwater table, the above conventional job practices of mopping on basic column " three oily two felts " that adopts of groundwater table is constructed until insulation processing.
Technique effect of the present utility model shows: can realize the insulating corrosion of iron tower foundation easily and effectively, and satisfy " built on stilts earthing pole line construction of ± 800kV DC transmission system and standards of acceptance " requirement.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Wherein, 1---concrete cushion, 2---epoxy resin, 3---glass fabric, 4---stone bolt, 5---glass fiber reinforced plastic pad one, 6---glass fiber reinforced plastic pad two, 7---tower seat board, 8---nut.
The specific embodiment
The utility model is described in further detail below in conjunction with the specific embodiment and Figure of description.
Embodiment 1:
Novel iron tower foundation insulating corrosion device, comprise concrete cushion, epoxy resin, glass fabric, stone bolt, glass fiber reinforced plastic pad one, glass fiber reinforced plastic pad two and tower seat board, bottom in the hole is provided with a concrete cushion, on concrete cushion, lay glass fabric and epoxy resin, glass fabric and epoxy resin are laid in inboard at the base plate diaphragm capsule, glass fiber reinforced plastic pad one is set on glass fabric and epoxy resin, the tower seat board is set on glass fiber reinforced plastic pad one, glass fiber reinforced plastic pad two is set on the tower seat board, stone bolt is arranged in the base plate diaphragm capsule and inserts glass fiber reinforced plastic pad one, glass fiber reinforced plastic pad two and tower seat board, upper end at stone bolt is provided with nut, stone bolt and glass fiber reinforced plastic pad one, the position filling epoxy resin that glass fiber reinforced plastic pad two is connected with the tower seat board is at nut, glass fiber reinforced plastic pad one, glass fiber reinforced plastic pad two and tower seat board are smeared one deck epoxy resin again.
Empire cloth is that the glass fabric more than three layers or three layers links together.
The insulating corrosion measure of ladder basis:
(1) after foundation excavation is finished, beats the thick C10 plain concrete cushion layer of 100mm at the end, hole.
(2) empire cloth is made the bulk empire cloth, is layered on the base plate, move evenly all around after, the empire cloth upper end is ordered on the wall of hole temporarily.
(3) on empire cloth, prick muscle, should serve as a contrast 50mm hassock piece between reinforcing bar and empire cloth when pricking muscle,, and guarantee that empire cloth is not destroyed by reinforcing bar with the assurance thickness of protection tier.The bundle muscle is finished centering after after managing inspection, can carry out the basis and cast.
(4) after basic first floor base plate is cast and is finished, smooth top of concrete, hole wall upper glass cloth put down to be layered on water on the floor that makes, the 300mm scope brushes the epoxy resin coating that has added coagulating agent in the empire cloth end, and empire cloth of lengthening is gone up in splicing again.
(5) second layer step diaphragm capsule on the good empire cloth of splicing in diaphragm capsule, continues to cast second layer step with empire cloth upset lining.
(6) by (4), the described method of (5) bar finishes casting of footing step.
(7) check that whether footing step has exceeded place, tower position groundwater table, if do not exceed groundwater table, then makes insulation bag with empire cloth, be enclosed within on the reinforcement foundation, after the empire cloth on bottom and the step splices well, a good template outside insulation bag, continue to cast, finish casting of basic column.If footing step has exceeded place, tower position groundwater table, then basic column is anticorrosion can to carry out after form removal.
Embodiment 2:
Undisturbed soil digging foundation below ground is " with native Dai Mo " all, the basis all embeds in the undisturbed soil, therefore below ground carries out the anti-process operations of basic insulation processing palpus, being that digging foundation below ground SI semi-insulation is anticorrosion must finish before cast on the basis, and at first direct " three oily two felts " compare suffering on the wall of former hole; Secondly, if after the hole wall was done concrete guard wall, on retaining wall " three oily two felts " were then long in time limit again, and the foundation construction phase be rainy season, hole wall humidity also is unfavorable for " three oily two felts " construction.For this reason, select to make the insulation bag bigger than the basis with extensive insulation cloth, insulation bag is enclosed within the basic insulation processing of finishing below ground between basic column and the hole wall during construction, and simple and convenient, insulation effect is good.
The preparation method of glass fabric:
(1) it is thick to reach 50mm by designing requirement empire cloth thickness.
(2) because of integral basis underlying table area is bigger, each leg empire cloth should divide the position to make, and spicing forming type uses during use.
(3) inconsistent because of various sole plates and column size, empire cloth should be made by each basic actual conditions.
(4) each piece empire cloth considers that joint length is not less than 0.3 meter (the empire cloth length of side=actual length of side+0.3 meter).
(5) glass fabric should be clear according to basis, position and use tower number sign, stores classifiedly.
(6) because of fiberglass braided sparse, bond together for prevent that epoxy resin coating from oozing out with ground from glass fabric in making the empire cloth construction,
And before epoxy resin also solidifies fully,, therefore when making empire cloth, should all not cover and affix the complete polyethylene sheeting of one deck in the empire cloth top and bottom if empire cloth is rolled the preservation empire cloth will be bonded together.
(7) for guaranteeing insulation thickness, glass fabric must not be less than three roads in the empire cloth.
(8) for guaranteeing that empire cloth makes, epoxy resin coating should add thickener and coagulating agent, specifically fills a prescription and uses by products instruction and carry out.
Claims (1)
1. novel iron tower foundation insulating corrosion device, comprise concrete cushion, epoxy resin, glass fabric, stone bolt, glass fiber reinforced plastic pad one, glass fiber reinforced plastic pad two and tower seat board, it is characterized in that: the bottom in the hole is provided with a concrete cushion, on concrete cushion, lay glass fabric and epoxy resin, glass fabric and epoxy resin are laid in inboard at the base plate diaphragm capsule, glass fiber reinforced plastic pad one is set on glass fabric and epoxy resin, the tower seat board is set on glass fiber reinforced plastic pad one, glass fiber reinforced plastic pad two is set on the tower seat board, stone bolt is arranged in the base plate diaphragm capsule and inserts glass fiber reinforced plastic pad one, glass fiber reinforced plastic pad two and tower seat board, upper end at stone bolt is provided with nut, stone bolt and glass fiber reinforced plastic pad one, the position filling epoxy resin that glass fiber reinforced plastic pad two is connected with the tower seat board is at nut, glass fiber reinforced plastic pad one, glass fiber reinforced plastic pad two and tower seat board are smeared one deck epoxy resin again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205076979U CN201809780U (en) | 2010-08-27 | 2010-08-27 | Novel iron tower foundation insulation and anti-corrosion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205076979U CN201809780U (en) | 2010-08-27 | 2010-08-27 | Novel iron tower foundation insulation and anti-corrosion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201809780U true CN201809780U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205076979U Expired - Fee Related CN201809780U (en) | 2010-08-27 | 2010-08-27 | Novel iron tower foundation insulation and anti-corrosion device |
Country Status (1)
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| CN (1) | CN201809780U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102888854A (en) * | 2012-10-26 | 2013-01-23 | 中国能源建设集团广东省电力设计研究院 | Iron tower foundation for extra-high-voltage grounding pole line and construction method thereof |
| CN102926398A (en) * | 2012-10-10 | 2013-02-13 | 青海省电力设计院 | Construction method of inclined column type corrosion resistant foundation for power line in salt lake area |
| CN104179205A (en) * | 2014-09-02 | 2014-12-03 | 国家电网公司 | Anticorrosion reinforcing method of transmission line tower foundation |
| CN105178349A (en) * | 2015-09-29 | 2015-12-23 | 国网浙江省电力公司金华供电公司 | Iron tower foundation |
| CN105401777A (en) * | 2015-11-27 | 2016-03-16 | 浙江浙电经济技术研究院 | Foundation bolt protective cap for power transmission line iron tower and casting method of foundation bolt protective cap |
| CN106436778A (en) * | 2015-08-05 | 2017-02-22 | 五冶集团上海有限公司 | Corrosion-preventing method of concrete structure surface |
| CN107476639A (en) * | 2017-09-22 | 2017-12-15 | 中国南方电网有限责任公司超高压输电公司柳州局 | A kind of preparation method of transmission tower main material root long-life anticorrosion structure |
| CN106436779B (en) * | 2015-08-05 | 2018-09-14 | 五冶集团上海有限公司 | Anti-corrosion method of the reinforced concrete structure under sour corrosion environment |
-
2010
- 2010-08-27 CN CN2010205076979U patent/CN201809780U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926398A (en) * | 2012-10-10 | 2013-02-13 | 青海省电力设计院 | Construction method of inclined column type corrosion resistant foundation for power line in salt lake area |
| CN102926398B (en) * | 2012-10-10 | 2016-09-07 | 青海省电力设计院 | A kind of for Salt Lake Area iron tower of power transmission line bolts of inclined column type anti-corrosion foundation construction method |
| CN102888854A (en) * | 2012-10-26 | 2013-01-23 | 中国能源建设集团广东省电力设计研究院 | Iron tower foundation for extra-high-voltage grounding pole line and construction method thereof |
| CN102888854B (en) * | 2012-10-26 | 2015-04-08 | 中国能源建设集团广东省电力设计研究院 | Iron tower foundation for extra-high-voltage grounding pole line and construction method thereof |
| CN104179205B (en) * | 2014-09-02 | 2016-08-03 | 国家电网公司 | A kind of anticorrosion reinforcement means of transmission line tower foundation |
| CN104179205A (en) * | 2014-09-02 | 2014-12-03 | 国家电网公司 | Anticorrosion reinforcing method of transmission line tower foundation |
| CN106436778A (en) * | 2015-08-05 | 2017-02-22 | 五冶集团上海有限公司 | Corrosion-preventing method of concrete structure surface |
| CN106436778B (en) * | 2015-08-05 | 2018-09-14 | 五冶集团上海有限公司 | Concrete structural surface anti-corrosion method |
| CN106436779B (en) * | 2015-08-05 | 2018-09-14 | 五冶集团上海有限公司 | Anti-corrosion method of the reinforced concrete structure under sour corrosion environment |
| CN105178349A (en) * | 2015-09-29 | 2015-12-23 | 国网浙江省电力公司金华供电公司 | Iron tower foundation |
| CN105178349B (en) * | 2015-09-29 | 2017-08-15 | 国网浙江省电力公司金华供电公司 | A kind of iron tower foundation |
| CN105401777A (en) * | 2015-11-27 | 2016-03-16 | 浙江浙电经济技术研究院 | Foundation bolt protective cap for power transmission line iron tower and casting method of foundation bolt protective cap |
| CN105401777B (en) * | 2015-11-27 | 2018-07-03 | 浙江华云电力工程设计咨询有限公司 | A kind of iron tower of power transmission line anchor bolt protective cap and its casting processes |
| CN107476639A (en) * | 2017-09-22 | 2017-12-15 | 中国南方电网有限责任公司超高压输电公司柳州局 | A kind of preparation method of transmission tower main material root long-life anticorrosion structure |
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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: 20110427 Termination date: 20160827 |