CN203905580U - Narrow-base double-column tower - Google Patents
Narrow-base double-column tower Download PDFInfo
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- CN203905580U CN203905580U CN201420322770.3U CN201420322770U CN203905580U CN 203905580 U CN203905580 U CN 203905580U CN 201420322770 U CN201420322770 U CN 201420322770U CN 203905580 U CN203905580 U CN 203905580U
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Abstract
The utility model relates to a narrow-base double-column tower which comprises a first narrow-base tower body and a second narrow-base tower body, wherein edge wire insulator chains are arranged on the head of the first narrow-base tower body and on the head of the second narrow-base tower body respectively, a middle wire insulator chain is arranged between the head of the first narrow-base tower body and the head of the second narrow-base tower body, and the two ends of the middle wire insulator chain are connected to the head of the first narrow-base tower body and the head of the second narrow-base tower body respectively. By the adoption of the narrow-base double-column tower, the foundation deformation resistance and working stability and reliability of the iron tower are improved, and deviation rectification operation is simplified.
Description
Technical field
The utility model relates to transmission facility technical field, is a kind of iron towers of overhead power transmission lines specifically, relates in particular to a kind of mining influence district and earthquake effect district etc. of being applicable to the narrow Ji Shuanzhuta of ground shifting ground section easily occurs.
Background technology
In mining influence district, due to the exploitation of mineral products, caused serious the problems of geo-environment, the ground deformation wherein causing with mining depression is particularly outstanding.The exploitation of rock stratum ore body causes original lacuna, has destroyed the original balancing of stresses state in rock stratum, and rock stratum, top is forced to carry out mechanics restructuring, to reach new stable equilibrium.And corridor, current overhead transmission line path is crowded all the more, often inevitably through such kind of area.
When traditional iron towers of overhead power transmission lines is used in such kind of area, due to the exploitation of mineral products, often cause iron tower foundation to tilt, ftracture, foundation deformation further develops, and can cause the distortion of steel tower.
Because the principal mode of mining influence district foundation deformation is sedimentation, inclination and sliding deformation, and deflection is generally all larger, in the process of foundation deformation, common steel tower can not well be resisted the distortional stress producing due to four leg differential settlements, inclination and slippage.And the foundation deformation in general mining influence district is very large, and common steel tower cannot adapt to foundation deformation by the distortion of self at all.When impact is serious, can cause iron tower foundation generation depression, steel tower to topple over; When distortion is more serious, can threaten the safe operation of earth's surface transmission line of electricity, finally make transmission line of electricity paralysis.
Utility model content
In order to overcome the defect of above-mentioned prior art, technical problem to be solved in the utility model is to provide that a kind of anti-foundation deformation ability is strong, the reliable narrow Ji Shuanzhuta of working stability.
In order to solve the problems of the technologies described above, the first technical scheme that the utility model adopts is:
A kind of narrow Ji Shuanzhuta, comprise the first narrow base tower and the second narrow base tower, described the first narrow base tower and the second narrow base tower comprise respectively tower head, tower body and tower leg, on the tower head of described the first narrow base tower and the second narrow base tower, be respectively arranged with limit wire insulation substring, between described the first narrow base tower and the tower head of the second narrow base tower, be provided with middle wire insulation substring, described limit wire insulation substring is L-type string, one end of described limit wire insulation substring is connected with the limit wire cross-arm on narrow base tower tower head, the other end of described limit wire insulation substring is connected with the tower head of narrow base tower, described middle wire insulation substring is V-type string, the two ends of described middle wire insulation substring are connected on the tower head of the first narrow base tower and the second narrow base tower.
Further, between the tower body of described the first narrow base tower and the second narrow base tower and tower leg, be respectively arranged with more than one adjusting tower section, releasable connection between described more than one adjusting tower section, releasable connection between described adjusting tower section and tower body or tower leg.
Further, the basis of described the first narrow base tower and the second narrow base tower is whole slab foundation.
Further, the rectangle basis of described whole slab foundation for encorbelmenting laterally.
The beneficial effects of the utility model are:
By tower being divided into two relatively independent narrow base towers, limit wire insulation substring adopts L-type string simultaneously, middle wire insulation substring adopts V-type string and is arranged between two narrow base towers, thereby the anti-foundation deformation ability of steel tower integral body and the reliability of work have greatly been improved, efficiently solve steel tower because of problems such as the repairing difficulty that foundation deformation is toppled over or structural deterioration causes is large, repairing time length, repairing expense height, obtained good economic benefit and social benefit.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the utility model embodiment.
Figure 2 shows that the schematic diagram of the utility model embodiment when there is foundation settlement.
Figure 3 shows that the schematic diagram of the utility model embodiment when run-off the straight, slippage.
Figure 4 shows that the correction schematic diagram of the utility model embodiment.
Label declaration:
1-the first narrow base tower; 2-the second narrow base tower; 3-tower head; 4-tower leg; 5-limit wire insulation substring; Wire insulation substring in 6-; 7-adjusting tower section; 7 ＇-adjusting tower section; 8-basis; 9-lift-up device; 10-ground; 11-space; 12-tower body; 30-limit wire cross-arm.
The specific embodiment
By describing technology contents of the present utility model, structural feature in detail, being realized object and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
The design of the utility model most critical is: tower is divided into two relatively independent narrow base towers, and limit wire insulation substring adopts L-type string, and middle wire insulation substring adopts V-type string and is arranged between two narrow base towers.By said structure, design, the utility model can significantly improve the anti-foundation deformation ability of steel tower integral body and the reliability of work, effectively solve steel tower because of problems such as the repairing difficulty that foundation deformation is toppled over or structural failure causes is large, repairing time length, repairing expense height, obtained good economic benefit and social benefit.
Refer to shown in Fig. 1, the narrow Ji Shuanzhuta of the utility model embodiment, comprise the first narrow base tower 1 and the second narrow base tower 2, described the first narrow base tower 1 and the second narrow base tower 2 comprise respectively tower head 3, tower body 12 and tower leg 4, on the tower head 3 of described the first narrow base tower 1 and the second narrow base tower 2, be respectively arranged with limit wire insulation substring 5, between described the first narrow base tower 1 and the tower head 3 of the second narrow base tower 2, be provided with middle wire insulation substring 6, described limit wire insulation substring 5 is L-type string, one end of described limit wire insulation substring 5 is connected with the limit wire cross-arm 30 on narrow base tower tower head 3, the other end of described limit wire insulation substring 5 is connected with the tower head 3 of narrow base tower, described middle wire insulation substring 6 is V-type string, the two ends of described middle wire insulation substring 6 are connected on the tower head 3 of the first narrow base tower 1 and the second narrow base tower 2.
In the above-described embodiments, utilize the first narrow base tower 1 and the second narrow base tower 2 floor spaces little, can integral inclination slippage or the feature of sedimentation, reduce the impact that foundation deformation causes steel tower, the distortional stress of avoiding steel tower inhomogeneous deformation to bring to tower head rod member, thus the reliability of structural strength, anti-foundation deformation ability and the work of steel tower integral body improved, due to the first narrow base tower 1 and the relatively independent setting of the second narrow base tower 2, can adopt separately large plate base independently and can not affect the basis of another split narrow base tower, thereby eliminate the impact that local foundation deformation causes whole steel tower, guarantee that steel tower normally moves, limit wire insulation substring 5 adopts L-type string, can effectively reduce the length of the limit wire cross-arm 30 of the first narrow base tower 1 and the second narrow base tower 2, reduce the horizontal unbalanced moment of the first narrow base tower 1 and the second narrow base tower 2, improve the overall construction intensity of the first narrow base tower 1 and the second narrow base tower 2, middle wire insulation substring 6 adopt V-type strings and be arranged on the first narrow base tower 1 and the second narrow base tower 2 between, when the first narrow base tower 1 and/or the second narrow base tower 2 produce inclination because of foundation deformation, when slippage or sedimentation, middle wire insulation substring 6 can be destroyed prior to tower head 3 in deformation process, guarantee that tower head 3 there will not be strength failure, thereby avoid steel tower to topple over or structural failure because of foundation deformation, improve the anti-foundation deformation ability of steel tower integral body and the reliability of work.
When there is foundation settlement, as shown in Figure 2, the topmost stressed variation of generation is the variation of the suspension angles of middle wire insulation substring 6.Owing to being hung on the angle of the middle wire insulation substring 6 of tower head 3 with respect to tower head 3, become gradually large, this will increase the stress of middle wire insulation substring 6, also the power that causes acting on tower head 3 is increased, but the intensity of middle wire insulation substring 6 is much smaller than the intensity of tower head 3, so middle wire insulation substring 6 can destroy prior to tower head 3, when going out more serious foundation settlement, can guarantee that strength failure does not appear in tower head 3 like this.And because the first narrow base tower 1 and the second narrow base tower 2 are all bulk settlings, can not give tower head rod member because of inhomogeneous deformation and bring distortional stress.
When there is inclination and slippage, as shown in Figure 3, middle wire insulation substring 6 simultaneously angle of arrival becomes situation large and that split tower (the first narrow base tower 1 and the second narrow base tower 2) spacing increases, this will make middle wire insulation substring 6 internal force constantly increase, in the middle of during internal force value of reaching capacity of wire insulation substring 6, middle wire insulation substring 6 destructions.Same reason, due to the intensity of tower head 3 intensity much larger than middle wire insulation substring 6, middle wire insulation substring 6 can destroy prior to tower head 3, can guarantee that like this steel tower there will not be strength failure.And because the first narrow base tower 1 and the second narrow base tower 2 are all integral inclination and slippage, can not give tower head rod member because of inhomogeneous deformation and bring distortional stress.
From foregoing description, the narrow Ji Shuanzhuta that the utility model provides, its beneficial effect is: by tower being divided into two relatively independent narrow base towers, limit wire insulation substring adopts L-type string simultaneously, middle wire insulation substring adopts V-type string and is arranged between two narrow base towers, thereby the anti-foundation deformation ability of steel tower integral body and the reliability of work have greatly been improved, efficiently solve steel tower because of the repairing difficulty that foundation deformation is toppled over or structural deterioration causes large, the repairing time is long, the problems such as repairing expense height, good economic benefit and social benefit have been obtained.
Further, in the above-described embodiments, shown in Fig. 1, between the tower body 12 of described the first narrow base tower 1 and the second narrow base tower 2 and tower leg 4, be respectively arranged with more than one adjusting tower section 7, releasable connection between described more than one adjusting tower section 7, releasable connection between described adjusting tower section 7 and tower body 12 or tower leg 4.The tower head that makes the first narrow base tower 1 and the second narrow base tower 2 when the run-off the straight of narrow base twin columns tower, slippage or sedimentation is not in a level height time, can be by adjusting the overall height of the more than one adjusting tower section 7 of the first narrow base tower 1 and/or the second narrow base tower 2, the tower head of the first narrow base tower 1 and the second narrow base tower 2 is positioned on same level height, described adjustment mode can be that original adjusting tower section 7 is disassembled to the adjusting tower section that replaces to differing heights, or at original adjusting tower section 7 places, increases new adjusting tower section or reduce the quantity of original adjusting tower section 7.This structure design can be rectified a deviation in the situation that not destroying original base structure, very little without impact correction load or impact in work progress, do not affect the normal work of steel tower, can charging construction, avoided long-time power failure on the impact of producing, life causes, and correction process is simple to operation, greatly reduces repairing difficulty and repairing expense, shorten the repairing time, obtained good economic benefit and social benefit.
Further, in the above-described embodiments, the basis 8 of described the first narrow base tower 1 and the second narrow base tower 2 is whole slab foundation.Whole slab foundation can make the first narrow base tower 1 and the second narrow base tower 2 integral inclination, slippage and sedimentation when foundation deformation, the distortional stress of avoiding steel tower inhomogeneous deformation to bring to tower head rod member, thus the reliability of structural strength, anti-foundation deformation ability and the work of steel tower integral body improved.Described whole slab foundation can be made the rectangle basis of encorbelmenting laterally, to reduce the eccentric bending moment on basis 8, is also convenient to proofread and correct and consolidation process after generation foundation deformation.
In sum, the narrow Ji Shuanzhuta that the utility model provides, the anti-foundation deformation ability of steel tower integral body and the reliability of work have not only greatly been improved, efficiently solve steel tower because of problems such as the repairing difficulty that foundation deformation is toppled over or structural deterioration causes is large, repairing time length, repairing expense height, and can realize in the situation that not destroying original base structure and charging construction and rectifying a deviation, greatly simplified correction operation, repairing difficulty and repairing expense have been reduced, shorten the repairing time, obtained good economic benefit and social benefit.
Refer to shown in Fig. 4, take the first narrow base tower 1 run-off the straight, slippage or sedimentation as the example (method for correcting error when method for correcting error of the second narrow base tower 2 run-off the straights, slippage or sedimentation and the first narrow base tower 1 and the equal run-off the straight of the second narrow base tower 2, slippage or sedimentation, all can be in like manner with reference to the method for correcting error of following examples), the method for correcting error of the narrow Ji Shuanzhuta of the utility model embodiment, comprises the following steps:
Step 1, adopt lift-up device 9 by basis 8 jack-up of the first narrow base tower 1 of inclination, slippage or sedimentation and to be adjusted to tower body 12 vertical;
Step 2, the space 11 between 8 bottoms, basis of the first narrow base tower 1 of jack-up and ground 10 is tamped;
The overall height of the more than one adjusting tower section 7 of step 3, adjustment the first narrow base tower 1 and/or the second narrow base tower 2, is positioned on same level height the tower head of the first narrow base tower 1 and the second narrow base tower 2.
In the above-described embodiments, described lift-up device 9 is preferably jack.In step 2, preferably adopt the mode of concrete perfusion that the space 11 between 8 bottoms, basis of the first narrow base tower 1 of jack-up and ground 10 is tamped, can certainly adopt the mode of backfill or other usual manners that the space 11 between 8 bottoms, basis of the first narrow base tower 1 of jack-up and ground 10 is tamped.In step 3, described adjustment mode can be that original adjusting tower section 7 is disassembled to the adjusting tower section that replaces to differing heights, or at original adjusting tower section 7 places, increase new adjusting tower section or reduce the quantity of original adjusting tower section 7, when the first narrow base tower 1 is adjusted, original adjusting tower section 7 can be disassembled and replace to highly higher adjusting tower section or increase new adjusting tower section 7 ＇ at original adjusting tower section 7 places, as shown in Figure 4; When the second narrow base tower 2 is adjusted, original adjusting tower section 7 can be disassembled to the quantity that replaces to highly less adjusting tower section or reduce original adjusting tower section 7.
From foregoing description, the method for correcting error of the narrow Ji Shuanzhuta that the utility model provides, its beneficial effect is: can in the situation that not destroying original base structure, rectify a deviation, very little without impact correction load or impact in work progress, do not affect the normal work of steel tower, can charging construction, avoided long-time power failure on the impact of producing, life causes, and correction process is simple to operation, greatly reduce repairing difficulty and repairing expense, shorten the repairing time, obtained good economic benefit and social benefit.And for the foundation deformation in goaf, the distortion that completes groundwork from backfill when goaf will tend towards stability, if there is no secondary excavation, generally not there will be no foundation deformation, better than new vertical steel tower column foot position in the foundation stability of former tower position like this, from operation risk, adopt the risk that risk that method for correcting error of the present utility model brings is brought than technological transformation overhaul, steel tower displacement to be much smaller.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model manual and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a narrow Ji Shuanzhuta, it is characterized in that: comprise the first narrow base tower and the second narrow base tower, described the first narrow base tower and the second narrow base tower comprise respectively tower head, tower body and tower leg, on the tower head of described the first narrow base tower and the second narrow base tower, be respectively arranged with limit wire insulation substring, between described the first narrow base tower and the tower head of the second narrow base tower, be provided with middle wire insulation substring, described limit wire insulation substring is L-type string, one end of described limit wire insulation substring is connected with the limit wire cross-arm on narrow base tower tower head, the other end of described limit wire insulation substring is connected with the tower head of narrow base tower, described middle wire insulation substring is V-type string, the two ends of described middle wire insulation substring are connected on the tower head of the first narrow base tower and the second narrow base tower.
2. narrow Ji Shuanzhuta according to claim 1, it is characterized in that: between the tower body of described the first narrow base tower and the second narrow base tower and tower leg, be respectively arranged with more than one adjusting tower section, releasable connection between described more than one adjusting tower section, releasable connection between described adjusting tower section and tower body or tower leg.
3. narrow Ji Shuanzhuta according to claim 1, is characterized in that: the basis of described the first narrow base tower and the second narrow base tower is whole slab foundation.
4. narrow Ji Shuanzhuta according to claim 3, is characterized in that: the rectangle basis of described whole slab foundation for encorbelmenting laterally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322770.3U CN203905580U (en) | 2014-06-17 | 2014-06-17 | Narrow-base double-column tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322770.3U CN203905580U (en) | 2014-06-17 | 2014-06-17 | Narrow-base double-column tower |
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| Publication Number | Publication Date |
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| CN203905580U true CN203905580U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420322770.3U Withdrawn - After Issue CN203905580U (en) | 2014-06-17 | 2014-06-17 | Narrow-base double-column tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018721A (en) * | 2014-06-17 | 2014-09-03 | 福州万山电力咨询有限公司 | Narrow-base double-column tower and deviation correcting method thereof |
-
2014
- 2014-06-17 CN CN201420322770.3U patent/CN203905580U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018721A (en) * | 2014-06-17 | 2014-09-03 | 福州万山电力咨询有限公司 | Narrow-base double-column tower and deviation correcting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |