CN204920409U - Steel pylons angle steel connected node - Google Patents
Steel pylons angle steel connected node Download PDFInfo
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- CN204920409U CN204920409U CN201520641134.1U CN201520641134U CN204920409U CN 204920409 U CN204920409 U CN 204920409U CN 201520641134 U CN201520641134 U CN 201520641134U CN 204920409 U CN204920409 U CN 204920409U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 112
- 239000010959 steel Substances 0.000 title claims abstract description 112
- 239000000463 material Substances 0.000 claims abstract description 116
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000010008 shearing Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001965 increasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a steel pylons angle steel connected node, include: the main material as the king -post of vertical direction setting, connect in adjacent two between main material with horizontal angular separation be less than 90 oblique material, two the horizontal direction set up between main material tabula material and with main material the tabula material and/or the supplementary material that oblique material three connects, its characterized in that: as the king -post main material includes the main material section by two or two above end -to -end connection, the king -post by main material section is constituteed, main material section include mutually perpendicular the cross connecting plate, locate the crossing contained angle department angle steel of " ten " word. The utility model provides a steel pylons angle steel connected node can carry out the connection between the main material component according to the actual fill plate thickness that calculates under the different condition of fill plate thickness, reduced the tower weight, has guaranteed the safe and reliable of structrual joint, has improved the economic nature of iron tower.
Description
Technical field
The utility model relates to a kind of bracing or strutting arrangement of transmission line of electricity, specifically relates to a kind of transmission tower angle steel connected node.
Background technology
Along with the fast development of economy, electricity needs increases increasingly, to the raising day by day of the degree of dependence of electric power energy, day by day strict to power grid security reliability requirement.Electric power pylon is the important support thing of electrical network, is arranged in natural environment, by the invasion and attack of terrible weather disaster, tower structure is sustained damage so that the destruction that collapses.
Reinforce the main material of iron tower of power transmission line, the ability of transmission line of electricity opposing hazard weather can be improved, improve transmission line of electricity safety operation level, there is very great economic benefit and social benefit.
Single angle electric power pylon can not meet supporting capacity, economically sets out, general preferred cross combination angle steel electric power pylon.For cross combination angle steel electric power pylon, the fill plate thickness of combination angle steel depends on stressed maximum tower leg main material, and whole steel tower becomes the combination angle steel fill plate that below slope uses thickness identical.Adopt the fill plate of same thickness to be conducive to combining the connection between the main material of angle steel, but to a certain extent, cause the waste of steel, add steel tower cost.
Summary of the invention
For the utility model patent that solves the problem proposes a kind of transmission tower angle steel connected node.The purpose of this utility model is realized by following technical proposals:
A kind of transmission tower angle steel connected node, comprising: main material 1, tiltedly material 2, tabula material 3 and auxiliary material 4; It is characterized in that: the described main material 1 as king-post that vertical direction is arranged, the tabula material 3 being connected to described in adjacent two between main material 1 that described in the oblique material 2, two being less than 90 ° with horizontal direction angle, main material 1 horizontal direction is arranged and the auxiliary material 4 be connected with described main material 1, described tabula material 3 and/or described oblique material 2 three; Described main material 1 as king-post comprises the main material section connected by two or more head and the tail; Described king-post is made up of described main material 1 section, and described main material 1 section comprises orthogonal cross junction plate 6, is located at the crossing angle angle steel 10 of described " ten " word; Described main material section arranges fill plate; Described fill plate thickness increases with the thick increase of leg of angle.
Described junction plate 6 is provided with backing plate 8 with described angle steel 10.
Described main material section 1 length is less than 12m; Described fill plate quantity is at least 2, and fill plate spacing is not less than 40r
i, r
iit is the minimum axle radius of gyration of an angle steel.
Described angle steel 10 comprises four angle steel or double angle.
Described junction plate connects the upper and lower two sections of angle steel of main material; Connected node epimere comprises the cross junction plate 6 set gradually, the angle steel 10 that drift angle is relative, backing plate 7 and interior cornerite steel 5.
Described connected node hypomere comprises the cross junction plate 6 set gradually, the backing plate 8 that drift angle is relative, angle steel 10 and interior cornerite steel 5.
The thickness of described junction plate 6 is equal with the fill plate thickness of node epimere main material section; Described plate thickness is 0.5 times of the difference of node hypomere fill plate thickness and its epimere fill plate thickness.
Described junction plate connects described main material section and oblique material; Junction plate edge and main material section axis angle are 15 ° ~ 90 °.
Described angle steel, junction plate, pad are connected by connecting bolt with interior Baogang; Described connecting bolt 9 is receive shearing bolt; The limb of angle steel is wide when 30mm ~ 110mm, adopts single bolt to connect, and it is wide that single described connecting bolt length is not less than the leg of angle of 2 times; Leg of angle is wide when 125mm ~ 200mm, adopts double connection, and it is wide that double described connecting bolt length is not less than the leg of angle of 1.5 times.
With immediate prior art ratio, the technical scheme that the utility model provides has following excellent effect:
The syndeton of component during the cross combination angle steel change fill plate thickness that the utility model relates to, according to the stressed thickness determining every section of main material fill plate of cross combination angle steel, when fill plate thickness is different, can according to the fill plate thickness of Practical Calculation, carry out the connection between main material component, reduce tower weight, ensure that component connects safe and reliable, improve the economy of steel tower.
The number of the utility model fill plate used is suitable, has both strengthened the stability of iron tower structure, and has born larger external force, can not increase again the heavy burden of overall steel tower simultaneously.
The utility model junction plate node epimere and hypomere placement location different, more effective dispersive stress, adds structural stability.
The node connecting structure low cost that the utility model relates to, Stability Analysis of Structures, improves the ability of transmission line of electricity opposing hazard weather, improves transmission line of electricity safety operation level.
Accompanying drawing explanation
Fig. 1 transmission angle steel tower tower body front view,
Fig. 2 double angle main material connected node epimere sectional drawing,
Fig. 3 double angle main material connected node hypomere sectional drawing,
Fig. 4 tetra-angle steel main material connected node epimere sectional drawing,
Fig. 5 tetra-angle steel main material connected node hypomere sectional drawing,
Wherein cornerite steel in the main material of 1 cross combination angle steel, the oblique material of 2 angle steel, 3 angle steel tabula materials, 4 auxiliary materials, 5,6 junction plates, 7 backing plate I, 8 backing plate II, 9 bolts, 10 angle steel
Detailed description of the invention
The utility model, for the feature of electric power pylon cross combination angle steel fill plate gradient thickness, proposes a kind of main material syndeton.
Cross combination angle steel electric power pylon front is arranged as shown in Figure 1, is made up of main material 1, tiltedly material 2, tabula material 3 and auxiliary material 4, adopts junction plate or junction plate bolt to connect between each component.Wherein, the main material 1 as king-post, the tabula material 3 being connected to described in adjacent two between main material 1 that described in the oblique material 2, two being less than 90 ° with horizontal direction angle, main material 1 horizontal direction is arranged and the auxiliary material 4 be connected with described main material 1, described tabula material 3 and/or described oblique material 2 three that arrange of vertical direction.
Consider the impact of the factors such as transport, installation, the main material 1 of cross combination angle steel is usually divided into some sections in electric power pylon, and general segment length is no more than 12m.As shown in Figure 1, tower body cross combination angle steel is divided into three sections, the section of being respectively 1, section 2 and section 3, and the angle steel fill plate thickness of the section of hypothesis 1 is t1, and section 2 is t2, and section 3 is t3;
Fill plate thickness is by the shearing size combining angle steel and bear, and determine as calculated, the change of fill plate thickness is generally 3mm ~ 30mm.Fill plate shape is rectangle steel plate, fill plate and main material with bolts.
In Fig. 1,1-1 and the 2-2 section section of being respectively 1 and section 2 cross combine angle steel connected node epimere and hypomere section.
The angle steel fill plate thickness t be arranged in same main material section is identical, and in different section, angle steel fill plate thickness t value can be inconsistent.
When each main material section combining angle steel fill plate Thickness and being identical, junction plate 6 Thickness is identical with fill plate thickness t, and connected node epimere and hypomere all do not arrange backing plate.Node epimere 1-1 is identical with node hypomere 2-2 syndeton: cross junction plate 6 connecting angle 1, and angle steel 1 is connected with interior subsides angle steel 5.All with bolts.
When each section of combination angle steel fill plate Thickness is different, the fill plate thickness being positioned at connected node hypomere 2-2 is greater than the fill plate thickness of its epimere, i.e. t1>t2>t3.Main material section connected node plate thickness account form is as follows: the backing plate 7 of connected node epimere 1-1 combines between angle steel 10 at interior subsides angle steel 5 and cross, and thickness is (t1-t2)/2; The backing plate 8 of connected node hypomere 2-2 between junction plate 6 and cross combination angle steel 10, thickness is taken as (t1-t2)/2.Wherein, t1 is connected node hypomere 2-2 angle steel main material fill plate thickness; T2 is connected node epimere 1-1 angle steel fill plate thickness; Junction plate 6 thickness t is identical with connected node epimere 1-1 angle steel fill plate thickness t2.
In order to protect nut and angle steel, by the contact area of both increasings, the fastening stress making tension and compression stress and clamp nut be can better disperse, prevent component partial Compressive failure, the backing plate of connected node epimere 1-1 is arranged between angle steel, interior subsides angle steel bolt hole, and length and width is slightly less than described angle steel and interior subsides steel intersection; And connected node hypomere 2-2, namely its top of tower leg leg of angle used thickness rate is thick, and therefore, connected node hypomere 2-2 backing plate is arranged between junction plate and angle steel, to strengthen the effect of dispersive stress, ruggedized construction.
The length of junction plate and width depend on oblique material connecting bolt number and tiltedly material and main material angle, and thickness is taken as fill plate thickness, and considers rigidity requirement, and shape should not be long and narrow, junction plate edge and main material axis angle angular range: 15 ° to 90 °.
Connecting bolt 9 adopts its connection number of receive shearing bolt to determine according to hypomere main material axle power, and connecting bolt length is not little wide with the leg of angle of 2 times for single bolt simultaneously, is not less than 1.5 times of legs of angle wide for double bolt.
Interior subsides angle steel 5 specification is taken as the specification of connected node epimere cross combination double angle.
The cross combination double angle connecting elements that this electric power pylon main material 1 used can adopt double angle to combine or the cross of four angle steel combination combine four angle steel connecting elementss.
When main material 1 adopts cross to combine double angle connecting elements, its node epimere connecting elements is as follows, see Fig. 2: the junction plate 6 connected by cross outside two sections of angle steel 10 that drift angle is staggered relatively is connected, connection backing plate 7 and interior cornerite steel 5 successively inside described angle steel 10.Its node hypomere connected mode is as follows, sees Fig. 3: the junction plate 6 that cross connects connects two jiaos of backing plates 8 staggered relatively, angle steel 10 and interior cornerite steel 5 successively.
When main material 1 adopts cross to combine four angle steel connecting elementss, its node epimere connected mode is as follows, see Fig. 4: the junction plate 6 connected by cross outside four sections of angle steel 10 that drift angle is staggered relatively is connected, connection backing plate 7 and interior cornerite steel 5 successively inside each angle steel 10 described.Its node hypomere connected mode is as follows, sees Fig. 5: the backing plate 7 that the junction plate that cross connects 6 each sections of drift angles connect successively, angle steel 10 and interior cornerite steel 5.
An instantiation of the present utility model is described in detail below in conjunction with accompanying drawing.
When electric power pylon tower leg main material is cross combination double angle, specification is 2L250 × 24, and material is Q420B, i.e. Fig. 1 stage casing 1.The main material of tower leg epimere is cross combination double angle, and specification is 2L250 × 22, and material is Q420B, sees Fig. 1 stage casing 2.In section 1, the fill plate thickness of 2L250 × 24 is 26mm, and the fill plate thickness of section 2 is 22mm.Then the thickness of junction plate 6 is taken as 22mm; Interior subsides angle steel 5 specification is taken as 2L250 × 22; Backing plate 7 thickness connecting junction plate epimere is 2mm; The backing plate of epimere combines between angle steel at interior subsides angle steel 5 and cross; Backing plate 8 thickness of connected node hypomere is taken as 2mm, and backing plate 8 bolt between junction plate 6 and cross combination angle steel 1 of hypomere connects.
Junction plate connects the oblique material in the positive side of tower body, and oblique material connecting bolt number is 4, oblique material and main material angle 34 degree, and junction plate edge and component axis angle are taken as 40 degree; Junction plate 6 thickness is taken as 22mm, and length is 1165mm, and width is 795mm.
When the main material axial pressure of hypomere is 6866kN, 1M24 bolt simple shear, maximum shear is 135.72kN, and connecting bolt is got double, pitch of bolts 120, and 1.5 times of limbs are wide is 375mm, and determine that connecting bolt is determined by 1.5 times of limbs are wide, connecting bolt 9 is taken as 32 M24 bolts.
Interior subsides angle steel 5 specification is taken as specification 2L250 × 22 of connected node epimere cross combination double angle.
When the main material of electric power pylon is that cross combines four angle steel, specification is 4L250 × 24, and material is Q420B.The main material of tower leg epimere is that cross combines four angle steel, and specification is 4L250 × 22, and material is Q420B, i.e. Fig. 1 stage casing 2.Pasting angle steel 5 specification is then 4L250 × 22, and all the other parameters and main material are that cross is identical when combining double angle.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although be described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify to detailed description of the invention of the present utility model or equivalent replacement, and not departing from any amendment of the utility model spirit and scope or equivalent replacement, it all should be encompassed in the middle of right of the present utility model.
Claims (9)
1. a transmission tower angle steel connected node, comprising: main material (1), tiltedly material (2), tabula material (3) and auxiliary material (4); It is characterized in that: the described main material (1) as king-post that vertical direction is arranged, the tabula material (3) being connected to described in adjacent two between main material (1) that described in the oblique material (2), two being less than 90 ° with horizontal direction angle, between main material (1), horizontal direction is arranged and the auxiliary material (4) be connected with described main material (1), described tabula material (3) and/or described oblique material (2) three; Described main material (1) as king-post comprises the main material section connected by two or more head and the tail; Described king-post is made up of described main material section, and described main material section comprises orthogonal cross junction plate (6), is located at the crossing angle angle steel (10) of " ten " word; Described main material section arranges fill plate; Described fill plate thickness increases with the thick increase of leg of angle.
2. transmission tower angle steel connected node according to claim 1, is characterized in that: described junction plate (6) and described angle steel (10) are provided with backing plate (8).
3. transmission tower angle steel connected node according to claim 1, is characterized in that, described main material section (1) length is less than 12m; Described fill plate quantity is at least 2, and fill plate spacing is not less than 40r
i, r
iit is the minimum axle radius of gyration of an angle steel.
4. transmission tower angle steel connected node according to claim 1, is characterized in that: described angle steel (10) comprises four angle steel or double angle.
5. transmission tower angle steel connected node according to claim 1, is characterized in that: described junction plate connects the upper and lower two sections of angle steel of main material; Connected node epimere comprises the cross junction plate (6) set gradually, the angle steel (10) that drift angle is relative, backing plate (7) and interior cornerite steel (5).
6. transmission tower angle steel connected node according to claim 1, it is characterized in that: described connected node hypomere comprises the cross junction plate (6) set gradually, the backing plate (8) that drift angle is relative, angle steel (10) and interior cornerite steel (5).
7. the transmission tower angle steel connected node according to claim 5 or 6, is characterized in that: the thickness of described junction plate (6) is equal with the fill plate thickness of node epimere main material section; Described backing plate (7) and backing plate (8) thickness are 0.5 times of the difference of node hypomere fill plate thickness and its epimere fill plate thickness.
8. transmission tower angle steel connected node according to claim 1, is characterized in that: described junction plate connects described main material section and oblique material; Junction plate edge and main material section axis angle are 15 ° ~ 90 °.
9. transmission tower angle steel connected node according to claim 1, is characterized in that: described angle steel, junction plate, pad are connected by connecting bolt with interior Baogang; Described connecting bolt 9 is receive shearing bolt; The limb of angle steel is wide when 30mm ~ 110mm, adopts single bolt to connect, and it is wide that single described connecting bolt length is not less than the leg of angle of 2 times; Leg of angle is wide when 125mm ~ 200mm, adopts double connection, and it is wide that double described connecting bolt length is not less than the leg of angle of 1.5 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641134.1U CN204920409U (en) | 2015-08-24 | 2015-08-24 | Steel pylons angle steel connected node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641134.1U CN204920409U (en) | 2015-08-24 | 2015-08-24 | Steel pylons angle steel connected node |
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| CN204920409U true CN204920409U (en) | 2015-12-30 |
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| CN201520641134.1U Active CN204920409U (en) | 2015-08-24 | 2015-08-24 | Steel pylons angle steel connected node |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041031A (en) * | 2015-08-24 | 2015-11-11 | 中国电力科学研究院 | Power transmission tower angle steel connection joint |
| CN110528904A (en) * | 2019-08-13 | 2019-12-03 | 浙江工业大学 | A kind of power transmission tower angle steel reinforcing device |
-
2015
- 2015-08-24 CN CN201520641134.1U patent/CN204920409U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041031A (en) * | 2015-08-24 | 2015-11-11 | 中国电力科学研究院 | Power transmission tower angle steel connection joint |
| CN105041031B (en) * | 2015-08-24 | 2018-04-03 | 中国电力科学研究院 | A kind of transmission tower angle steel connecting node |
| CN110528904A (en) * | 2019-08-13 | 2019-12-03 | 浙江工业大学 | A kind of power transmission tower angle steel reinforcing device |
| CN110528904B (en) * | 2019-08-13 | 2024-03-26 | 浙江工业大学 | Angle steel reinforcing and reinforcing device for power transmission tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171026 Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Co-patentee after: State Grid Corporation of China Patentee after: China Electric Power Research Institute Co-patentee after: State Grid Zhejiang Electric Power Company Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Co-patentee before: State Grid Corporation of China Patentee before: China Electric Power Research Institute |
|
| TR01 | Transfer of patent right |