CN104989152A - Crisscross overhead power transmission tower - Google Patents
Crisscross overhead power transmission tower Download PDFInfo
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- CN104989152A CN104989152A CN201510311876.2A CN201510311876A CN104989152A CN 104989152 A CN104989152 A CN 104989152A CN 201510311876 A CN201510311876 A CN 201510311876A CN 104989152 A CN104989152 A CN 104989152A
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- shaft tower
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 39
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000012916 structural analysis Methods 0.000 claims description 4
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract 3
- 230000009471 action Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The invention provides a crisscross overhead power transmission tower, which comprises four upright posts 2, wherein the four upright posts 2 form corner posts; a plurality of groups of crisscross inclined supporters are vertically and sequentially arranged on the side surface of a tower; each group of crisscross inclined supporters is formed by crossing two inclined support rods 1; and the upper end and the lower end of each inclined support rod are connected onto the two upright posts 2 arranged at the same side surface of the tower. The crisscross overhead power transmission tower is characterized in that annular energy dissipation devicesarearranged in triangular regions, formed between the inclined support rods 1 and the upright posts 2, on the side surface of the tower in a position with the weak structure characteristics found out through structure analysis and field measurement; the diameters of the annular energy dissipation devicesare70 percent of internally tangent circles in the triangular regions; and the annular energy dissipation devicesareconnected in positions of the tangent points of the internally tangent circles, the upright posts 2 and the inclined support rods 1 through support rod elements 3. The crisscross overhead power transmission tower has the advantages that the integral rigidity and the local bearing force of the structure of the overhead power transmission tower can be improved; a part of energy can be dissipated under the effect of a typhoon load; and further, the integral performance of the overhead power transmission tower is improved.
Description
Technical field
The present invention relates to a kind of cruciform shape overhead power transmission shaft tower being provided with dissipative member.
Background technology
Overhead power transmission shaft tower line system is the carrier of high load capacity electric energy conveying, is important lifeline engineering structures.Overhead power transmission shaft tower line system has the features such as housing structure is high, span large, overall structure is more soft.This structural system is comparatively responsive to wind load, and the dynamic collapse of (as under typhoon effect) under vibrating fatigue damage and extreme condition easily occurs.
(four root posts form shaft tower to the cruciform shape overhead power transmission shaft tower of past design-build, shaft tower side is multiple cruciform shape diagonal braces) there is the phenomenon of not establishing secondary diagonal brace, and wind load design load value is less in the design process, cause the type overhead power transmission shaft tower wind loading rating poor.How to reinforce the type overhead power transmission tower structure, improving it, to combat a natural disaster performance be one of problem demanding prompt solution in overhead power transmission shaft tower field.
Traditional structural wind resistance design method utilizes the ability of self to carry out dissipate vibrational energy, as strengthened the sectional dimension of component or improving the strength grade etc. of material.For reducing the vibratory response of overhead power transmission shaft tower, except the antivibration of studying bearing system itself and detailing requiments, also need to study vibration control technology.Structural vibration control can alleviate the damage under the effect of structure outer load effectively, and then improves the performance of taking precautions against natural calamities of structure.Vibration isolation can consume vibrational energy by vibration damping, isolation mounting, or offsets the impact of external load effect on structure by applying energy.Specifically install certain device, mechanism or minor structure at some position of structure, to change or the dynamic characteristics of adjust structure or dynamic action, make the dynamic response under the effect of structure outer load obtain conservative control.Therefore, can consider that on overhead power transmission tower structure, set up energy-dissipating device carries out wind dynamic control to it.
Metallic yield damper is constant and reduce in maintenance expense and have very outstanding feature, the advantages such as the annular energy consumer Maintenance free be made up of metal damper, has good endurance, and life cycle is long in Long-Time Service function.Therefore, annular energy consumer can be arranged on cruciform shape overhead power transmission tower structure as damper device, wind dynamic control is carried out to it.
Summary of the invention
Technical problem to be solved by this invention, is just to provide a kind of cruciform shape overhead power transmission shaft tower, can effectively controls wind and shake.
Solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of cruciform shape overhead power transmission shaft tower, described shaft tower comprises four root posts 2 forming corner post, shaft tower side is provided with many group cruciform shape diagonal braces up and down successively, often organize cruciform shape diagonal brace to be made up of two hounds 1 intersections, the upper and lower side of hound is connected on two root posts 2 of described shaft tower ipsilateral, it is characterized in that: on the shaft tower side of the architectural characteristic weak part found out by structural analysis and field measurement, by in the Delta Region formed between hound 1 and column 2, be provided with the annular energy consumer that diameter is 70% of described Delta Region inscribed circle, described Behavior of Circular Ring Energy Dissipator is connected to the cusp position of described hound 1 and column 2 and described inscribed circle by supporting rod 3.
Described Behavior of Circular Ring Energy Dissipator 4 is connected by coupling assembling with between supporting rod 3, coupling assembling is 2 band steels of overlapping laminating, hole is formed respectively to outside sweep in the middle of two band steels, described hole coordinates the rod member diameter of described Behavior of Circular Ring Energy Dissipator annulus, two band steel two ends all have bolt connection through hole, respectively in order to lock Behavior of Circular Ring Energy Dissipator annulus and to be connected supporting rod 3.
Described supporting rod 3 is Q235 steel band steel.
Described Behavior of Circular Ring Energy Dissipator refers to common Behavior of Circular Ring Energy Dissipator, dicyclo ringmild steel energy dissipator or Behavior of Circular Ring Energy Dissipator of putting more energy into.
Described tower structure characteristic weak part can be found out by the structural analysis of prior art and field measurement.
Such Behavior of Circular Ring Energy Dissipator is integrally formed with cruciform shape overhead power transmission shaft tower, and overhead power transmission Lifting Method in Pole Tower Integral Hoisting rigidity improves.
Owing to adopting such scheme, the invention has the beneficial effects as follows:
1) this shaft tower can improve integral rigidity and the local bearing capacity of structure.
2) under typhoon load action, Behavior of Circular Ring Energy Dissipator deforms, dissipation part energy, and then improves the overall performance of overhead power transmission shaft tower.
3) this tower structure is simple, and designability is strong, have employed metal energy consume mechanism, simple structure, process easy, easy to use.
4) take up room little, cost is low.
Accompanying drawing explanation
Fig. 1 a is the unguyed front schematic diagram of certain overhead power transmission shaft tower hypomere;
Fig. 1 b is the schematic diagram after certain overhead power transmission shaft tower hypomere is reinforced;
Fig. 2 is the supporting rod be connected with Behavior of Circular Ring Energy Dissipator for overhead power transmission shaft tower;
Fig. 3 is the common Behavior of Circular Ring Energy Dissipator figure for reinforcing built on stilts transmission tower;
Fig. 4 a is a kind of self-locking structure elevation designed for common Behavior of Circular Ring Energy Dissipator;
Fig. 4 b is the lateral view of Fig. 4 a;
Fig. 5 is the usage schematic diagram of self-locking structure shown in Fig. 4;
Fig. 6 is the common Behavior of Circular Ring Energy Dissipator having installed self-locking structure, and wherein the position of self-locking structure structure in Behavior of Circular Ring Energy Dissipator can regulate arbitrarily according to the installation site of Behavior of Circular Ring Energy Dissipator in overhead power transmission tower structure.
Reference numeral in figure: 1-overhead power transmission shaft tower hound, 2-overhead power transmission shaft tower column, the supporting rod that 3-Behavior of Circular Ring Energy Dissipator is connected with overhead power transmission shaft tower, 4-Behavior of Circular Ring Energy Dissipator, the through hole of 5-supporting rod, Behavior of Circular Ring Energy Dissipator self-locking structure designed by 6-, 7,8-self-locking structure through hole, 9,10-supporting rod is connected the bolt adopted with self-locking structure.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Cruciform shape overhead power transmission shaft tower embodiment of the present invention, shaft tower comprises four root posts 2 forming corner post, shaft tower side is provided with many group cruciform shape diagonal braces up and down successively, often organize cruciform shape diagonal brace to be made up of two hounds 1 intersections, the upper and lower side of hound is connected on two root posts 2 of shaft tower ipsilateral.On the shaft tower side of the architectural characteristic weak part found out at structural analysis and the field measurement by prior art, by in the Delta Region formed between hound 1 and column 2, be provided with the annular energy consumer that diameter is 70% of described Delta Region inscribed circle, Behavior of Circular Ring Energy Dissipator is connected to the cusp position of hound 1 and column 2 and inscribed circle by coupling assembling by supporting rod 3.Supporting rod 3 is Q235 steel band steel, and two ends have connecting through hole.
Coupling assembling is 2 band steels of overlapping laminating, hole is formed respectively to outside sweep in the middle of two band steels, hole size coordinates the rod member diameter of Behavior of Circular Ring Energy Dissipator annulus, and two band steel two ends all have bolt connection through hole, respectively in order to lock Behavior of Circular Ring Energy Dissipator annulus and to be connected supporting rod 3.
Behavior of Circular Ring Energy Dissipator refers to common Behavior of Circular Ring Energy Dissipator, dicyclo ringmild steel energy dissipator or Behavior of Circular Ring Energy Dissipator of putting more energy into.
Figure 4 shows that the self-locking structure be arranged on Behavior of Circular Ring Energy Dissipator of design, corresponding adjustment can be carried out according to the installation site of designed Behavior of Circular Ring Energy Dissipator in overhead power transmission tower structure in its installation site, easy for installation, fast.Fig. 6 is the Behavior of Circular Ring Energy Dissipator having installed self-locking structure.
When wind action, under the effect of horizontal force, can there is relative displacement between column and hound in overhead power transmission tower structure.Behavior of Circular Ring Energy Dissipator is connected between overhead power transmission tower structure column and hound by supporting rod, not only can improve the local bearing capacity of overhead power transmission tower structure, rigidity and stability, and the part energy that can dissipate under typhoon load action, and then improve the overall wind resistance of overhead power transmission shaft tower.
Claims (3)
1. a cruciform shape overhead power transmission shaft tower, described shaft tower comprises four root posts (2) forming corner post, shaft tower side is provided with many group cruciform shape diagonal braces up and down successively, often organize cruciform shape diagonal brace to be made up of two hounds (1) intersection, the upper and lower side of hound is connected on two root posts (2) of described shaft tower ipsilateral, it is characterized in that: on the shaft tower side of the architectural characteristic weak part found out by structural analysis and field measurement, by in the Delta Region formed between hound (1) and column (2), be provided with the annular energy consumer (4) that diameter is 70% of described Delta Region inscribed circle, described Behavior of Circular Ring Energy Dissipator (4) is connected to the cusp position of described hound (1) and column (2) and described inscribed circle by supporting rod (3).
2. cruciform shape overhead power transmission shaft tower according to claim 1, it is characterized in that: described Behavior of Circular Ring Energy Dissipator (4) is connected by coupling assembling with between supporting rod (3), coupling assembling is (2) root Q235 steel band steel of overlapping laminating, hole is formed respectively to outside sweep in the middle of two band steels, described hole coordinates the rod member diameter forming described Behavior of Circular Ring Energy Dissipator annulus, two band steel two ends all have bolt connection through hole, respectively in order to lock Behavior of Circular Ring Energy Dissipator annulus and to be connected supporting rod (3).
3. cruciform shape overhead power transmission shaft tower according to claim 2, is characterized in that: described Behavior of Circular Ring Energy Dissipator refers to common Behavior of Circular Ring Energy Dissipator, dicyclo ringmild steel energy dissipator or Behavior of Circular Ring Energy Dissipator of putting more energy into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311876.2A CN104989152B (en) | 2015-06-09 | 2015-06-09 | A kind of cruciform shape overhead power transmission shaft tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510311876.2A CN104989152B (en) | 2015-06-09 | 2015-06-09 | A kind of cruciform shape overhead power transmission shaft tower |
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| CN104989152A true CN104989152A (en) | 2015-10-21 |
| CN104989152B CN104989152B (en) | 2017-11-10 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2698896A1 (en) * | 1992-12-09 | 1994-06-10 | Oudin Gilles | Device to prevent oscillation of tall structures - has inert mass attached to structure by elastic components and shock-absorbing cable springs which can be regulated |
| JPH0913738A (en) * | 1995-06-27 | 1997-01-14 | Mitsubishi Heavy Ind Ltd | Resting device for tower structure |
| CN2276583Y (en) * | 1997-01-28 | 1998-03-18 | 周云 | Stiffening double-ring energy consuming dampener |
| CN2589551Y (en) * | 2002-12-12 | 2003-12-03 | 杭州电联机电设备成套有限公司 | Single tube tower control displacement vibration-damping apparatus |
| CN201472817U (en) * | 2009-08-25 | 2010-05-19 | 中建三局第一建设工程有限责任公司 | A prefabricated combined riser flexible joint protector |
| CN201933831U (en) * | 2011-03-04 | 2011-08-17 | 广东省电力设计研究院 | Transmission tower with ±800kV DC line and grounding electrode line on the same tower |
| CN102535874A (en) * | 2012-01-11 | 2012-07-04 | 同济大学 | Wind resistance and reinforcement transformation method of high-voltage and superhigh-voltage power transmission line iron tower |
| CN202520043U (en) * | 2012-03-21 | 2012-11-07 | 佛山电力设计院有限公司 | Transmission tower |
| CN103790427A (en) * | 2012-10-31 | 2014-05-14 | 同济大学 | Steel tube component connecting structure capable of restraining vortex-induced vibration |
-
2015
- 2015-06-09 CN CN201510311876.2A patent/CN104989152B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2698896A1 (en) * | 1992-12-09 | 1994-06-10 | Oudin Gilles | Device to prevent oscillation of tall structures - has inert mass attached to structure by elastic components and shock-absorbing cable springs which can be regulated |
| JPH0913738A (en) * | 1995-06-27 | 1997-01-14 | Mitsubishi Heavy Ind Ltd | Resting device for tower structure |
| CN2276583Y (en) * | 1997-01-28 | 1998-03-18 | 周云 | Stiffening double-ring energy consuming dampener |
| CN2589551Y (en) * | 2002-12-12 | 2003-12-03 | 杭州电联机电设备成套有限公司 | Single tube tower control displacement vibration-damping apparatus |
| CN201472817U (en) * | 2009-08-25 | 2010-05-19 | 中建三局第一建设工程有限责任公司 | A prefabricated combined riser flexible joint protector |
| CN201933831U (en) * | 2011-03-04 | 2011-08-17 | 广东省电力设计研究院 | Transmission tower with ±800kV DC line and grounding electrode line on the same tower |
| CN102535874A (en) * | 2012-01-11 | 2012-07-04 | 同济大学 | Wind resistance and reinforcement transformation method of high-voltage and superhigh-voltage power transmission line iron tower |
| CN202520043U (en) * | 2012-03-21 | 2012-11-07 | 佛山电力设计院有限公司 | Transmission tower |
| CN103790427A (en) * | 2012-10-31 | 2014-05-14 | 同济大学 | Steel tube component connecting structure capable of restraining vortex-induced vibration |
Non-Patent Citations (1)
| Title |
|---|
| 周云: "《金属耗能减震结构设计理论及应用》", 31 August 2013, 武汉理工大学出版社 * |
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Inventor after: Xie Wenping Inventor after: Lin Jiedong Inventor after: Fu Liping Inventor after: Li Xiaofang Inventor after: Li Pengyun Inventor after: Yang Weijun Inventor after: Zhong Wanli Inventor before: Xie Wenping Inventor before: Lin Jiedong Inventor before: Li Xiaofang Inventor before: Li Pengyun Inventor before: Yang Weijun Inventor before: Zhong Wanli |
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