CN206457838U - A kind of assembling type base for power transmission tower - Google Patents
A kind of assembling type base for power transmission tower Download PDFInfo
- Publication number
- CN206457838U CN206457838U CN201621447766.5U CN201621447766U CN206457838U CN 206457838 U CN206457838 U CN 206457838U CN 201621447766 U CN201621447766 U CN 201621447766U CN 206457838 U CN206457838 U CN 206457838U
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- Prior art keywords
- foundation
- steel bracket
- power transmission
- type base
- assembling type
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 239000004567 concrete Substances 0.000 claims abstract description 27
- 230000002787 reinforcement Effects 0.000 claims abstract description 16
- 230000005484 gravity Effects 0.000 claims abstract description 7
- 229920002748 Basalt fiber Polymers 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 10
- 239000004576 sand Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Foundations (AREA)
Abstract
The utility model discloses a kind of assembling type base for power transmission tower, including four sets of Foundation of steel frame；Often set Foundation of steel frame is located at the corresponding column foot of iron tower of power transmission line；Often set Foundation of steel frame includes firm banking and steel bracket；Steel bracket is tetrahedron, and bottom surface is isosceles triangle, and bottom surface summit is located at the surface of bottom surface heart；The line and the angle between the line of bottom surface center of gravity of tetrahedron upper end vertex and bottom surface heart are 35 °, and its line with bottom surface center of gravity is away from tower body axle center；Firm banking includes many horizontally disposed horizontal concrete slabs and three are provided thereon vertical concrete lath；Steel bracket is fixed on vertical concrete lath by fixing bolt；Equal level is provided with the reinforcement of two between the steel bracket of adjacent Foundation of steel frame.The utility model fabricated base structure is simple, easy for installation, can effectively improve the stability and extraction-resistant behavior on basis, the power transmission tower construction in the drift-sand area that is particularly suitable for use in.
Description
Technical field
The utility model is related to a kind of assembling type base, and in particular to a kind of assembling type base for power transmission tower.
Background technology
Assembling type base is also known as prefabricated foundation, is prefabrication, site-assembled base form.It is than cast-in-place concrete base
Plinth saves 30-50% labour, shortens duration 1/3-1/2, and the quality of basis processing is guaranteed（In factory process condition
It is good）, construction operation influenceed small by seasonal climate, is conducive to mechanization or semi-mechanization operation, and the operation for reducing workmen is strong
Degree, is the developing direction of transmission line foundation construction.
It is embedded in the pole and tower foundation of underground and provides load support for power transmission tower, is the important composition of transmission line structure system
Part.Had to when transmission line of electricity is built in desert by drift-sand, because drift-sand is without cohesive strength, and quality is loose, husky
Liquid flowability is big, thus the regional power transmission tower embedded depth of foundation of drift-sand it is difficult to ensure that, stability of foundation is poor.Existing coagulation soil matrix
Plinth, due to the regional water shortage of drift-sand and ore collection, transport more difficult the problems such as, and steel frame type basis is due to stability of foundation
Difference, it is difficult to meet the requirement of the resistance to plucking and stability against overturning on the power transmission tower basis of voltage levels.
The content of the invention
The purpose of this utility model is that there is provided a kind of good transmission of electricity of stability in order to solve defect present in prior art
Tower assembling type base.
In order to achieve the above object, the utility model provides a kind of assembling type base for power transmission tower, often covers steelframe base
Plinth is located at the corresponding column foot of power transmission tower；Often set Foundation of steel frame includes firm banking and steel bracket；Steel bracket is in tetrahedral；Four
The bottom surface of face body is isosceles triangle, and bottom surface summit is located at the surface of bottom surface heart；Tetrahedron upper end vertex and bottom surface heart
Line and the angle between the line of bottom surface center of gravity be 3-5 °, and the line of tetrahedron upper end vertex and bottom surface center of gravity is remote
The axial centre of tower body；Firm banking includes many horizontally disposed horizontal concrete slabs and three vertical concrete laths；
Vertical concrete lath is laid on the top of horizontal concrete slab evenly and at intervals, and perpendicular with horizontal concrete slab；
The corresponding position of every vertical concrete lath is equipped with a fixing bolt；The bottom of steel bracket is fixed by fixing bolt
In on vertical concrete lath；Equal level is provided with the reinforcement of two between the steel bracket of adjacent Foundation of steel frame.
The drift angle of steel bracket bottom surface is 70 °.
Wherein, reinforcement includes spiral inner core and Basalt fiber composite rib；Basalt fiber composite rib is wrapped in
On spiral inner core.
A diameter of 10-12mm of spiral inner core.
Steel bracket includes mobile jib, cross bar, brace；Mobile jib is three, and one end is connected with each other, and the other end passes through corresponding fixation
It is bolted on vertical concrete lath, forms tetrahedral three inclined-planes；Two cross bars are horizontally disposed with each inclined-plane；Often
Two braces are set on individual inclined-plane, and brace is connected to form triangle support face with adjacent crossbars and mobile jib；Reinforcement two ends connect respectively
Connect the mobile jib of adjacent steel bracket.
Steel bracket upper end is provided with base roof plate；Base roof plate is connected by foundation bolt with the column foot of power transmission tower.
The utility model has advantages below compared with prior art：
1st, the utility model forms overall assembling type base by four sets of Foundation of steel frame, is inclined using steel bracket to tower body is micro-
3-5 °, while adding reinforcement between Foundation of steel frame, overall resistance to plucking, anti-shear performance are improved, effectively mitigates firm banking
Stress.
2nd, the utility model adds assembled base using the setting of the tetrahedral structure of steel bracket, and cross bar, brace
The stability of plinth, adds foundation capability.
3rd, the utility model reinforcement winds Basalt fiber composite rib using spiral inner core（Basalt fibre is combined
Muscle is composited using continuous basalt fiber and glass fibre by resin matrix）, greatly reinforced the antifatigue of reinforcement
Ability, improves decay resistance, adds service life.
4th, the utility model assembling type base, it is simple in construction, it is easy for installation, the stability and resistance to plucking on basis can be effectively improved
Performance, the iron tower of power transmission line construction in the drift-sand area that is particularly suitable for use in.
Brief description of the drawings
Fig. 1 is the structural representation for the assembling type base that the utility model is used for power transmission tower；
Fig. 2 is the connection diagram of steel bracket mobile jib in Fig. 1；
Fig. 3 is the structural representation of firm banking in Fig. 1.
In figure, 1- Foundation of steel frame, 2- firm bankings, 21- transverse direction concrete slabs, 22- vertical concrete laths, 23- is solid
Determine bolt, 3- steel brackets, 31- mobile jibs, 32- cross bars, 33- braces, 4- base roof plates, 5- reinforcements.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, the assembling type base that the utility model is used for power transmission tower includes four sets of Foundation of steel frame 1；Often cover steelframe
Basis 1 is located at the corresponding column foot of iron tower of power transmission line.Often set Foundation of steel frame 1 includes firm banking 2 and steel bracket 3.With reference to figure
3, firm banking 2 includes many horizontally disposed horizontal concrete slabs 21 and three vertical concrete laths 22.Vertical coagulation
Native lath 22 is laid on the top of horizontal concrete slab 21 evenly and at intervals, and perpendicular with horizontal concrete slab 21.
Steel bracket 3 constitutes tetrahedron shape by mobile jib 31, cross bar 32, brace 33：Mobile jib 31 is three, and one end is mutually interconnected
Connect, the other end is fixed on corresponding vertical concrete lath 22 by fixing bolt 23（With reference to Fig. 3）, form tetrahedral three
Individual inclined-plane.Two braces 33 and the cross bar 32 of two levels are provided with each inclined-plane, brace is connected with adjacent crossbars and mobile jib
Form triangle support face.As shown in Fig. 2 the lower end of three mobile jibs 31 forms tetrahedral bottom surface, it is isosceles triangle, three masters
The tie point formation tetrahedron upper end vertex of bar 31, the summit is located at the surface of bottom surface heart.Tetrahedron upper end vertex and bottom
The angle α between the line at line and tetrahedron upper end vertex and bottom surface center of gravity B at the heart A of face is 3-5 °, and tetrahedron
Upper end vertex and axial centre of the line away from iron tower of power transmission line of B points.The top of steel bracket 3 is provided with base roof plate 4；Basis
Top plate 4 is connected by foundation bolt with the column foot of iron tower of power transmission line.Level is provided with two between the mobile jib 31 of adjacent steel bracket 3
Reinforcement 5.
Reinforcement 5 is wrapped on spiral inner core by Basalt fiber composite rib and formed.Wherein, spiral inner core
A diameter of 10-12mm；Basalt fiber composite rib is composited by continuous basalt fiber and glass fibre by resin matrix.
The weight ratio of continuous basalt fiber, glass fibre and resin matrix is 25-40:8-12:20-40（Optimum ratio is 30:10:
30）.The overall stability in basis is increased by reinforcement.
When carrying out the construction of the utility model assembling type base：Power transmission tower basal plane and neighbouring surface dust and debris are cleaned out
Afterwards, the foundation ditch for fixing Foundation of steel frame 1 is excavated；Surflaes or rubble in foundation ditch is cleaned out, firm banking is laid successively
2nd, steel bracket 3 and reinforcement 5；It is 100 according to drift-sand and Portland cement weight ratio:2 ratio stirring prepares mixing
Backfill material, is backfilled, is backfilled to behind top layer, laying straw checkerboard barrier sand-protecting barrier or gravel paving pressure；Finally set up defeated on base roof plate 4
Electric tower.
Claims (5)
1. a kind of assembling type base for power transmission tower, it is characterised in that：The assembling type base includes four sets of Foundation of steel frame；Often
Foundation of steel frame is covered to be located at the corresponding column foot of power transmission tower；Often set Foundation of steel frame includes firm banking and steel bracket；The steel bracket
In tetrahedral；Tetrahedral bottom surface is isosceles triangle, and bottom surface summit is located at the surface of the bottom surface heart；On tetrahedron
The line and the angle between the line of bottom surface center of gravity of endvertex and bottom surface heart are 3-5 °, and tetrahedron upper end vertex and bottom
Axial centre of the line of face center of gravity away from tower body；The firm banking include many horizontally disposed horizontal concrete slabs and
Three vertical concrete laths；The vertical concrete lath is laid on the upper of the horizontal concrete slab evenly and at intervals
Side, and it is perpendicular with the horizontal concrete slab；The vertical concrete lath corresponding position is equipped with a fixed spiral shell
Bolt；The bottom of the steel bracket is fixed on the vertical concrete lath by the fixing bolt；Adjacent Foundation of steel frame
Equal level is provided with the reinforcement of two between steel bracket.
2. assembling type base according to claim 1, it is characterised in that：The drift angle of the steel bracket bottom surface is 70 °.
3. assembling type base according to claim 1, it is characterised in that：The reinforcement includes spiral inner core and profound
Military rock fibre composite reinforcement；The Basalt fiber composite rib is wrapped on the spiral inner core；The spiral inner core
A diameter of 10-12mm.
4. assembling type base according to claim 3, it is characterised in that：The steel bracket includes mobile jib, cross bar, brace；
The mobile jib is three, and one end is connected with each other, and the other end is fixed on the vertical concrete lath by corresponding fixing bolt
On, form tetrahedral three inclined-planes；Two cross bars are horizontally disposed with each inclined-plane；Two braces, institute are set on each inclined-plane
State brace and be connected to form triangle support face with adjacent crossbars and mobile jib；The reinforcement two ends connect the master of adjacent steel bracket respectively
Bar.
5. assembling type base according to claim 4, it is characterised in that：The steel bracket upper end is provided with base roof plate；Institute
Base roof plate is stated by foundation bolt with the column foot of power transmission tower to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621447766.5U CN206457838U (en) | 2016-12-27 | 2016-12-27 | A kind of assembling type base for power transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621447766.5U CN206457838U (en) | 2016-12-27 | 2016-12-27 | A kind of assembling type base for power transmission tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206457838U true CN206457838U (en) | 2017-09-01 |
Family
ID=59697546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621447766.5U Active CN206457838U (en) | 2016-12-27 | 2016-12-27 | A kind of assembling type base for power transmission tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206457838U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498974A (en) * | 2016-12-27 | 2017-03-15 | 国网江苏省电力公司经济技术研究院 | A kind of assembling type base and its installation method for power transmission tower |
| CN113417313A (en) * | 2021-07-20 | 2021-09-21 | 四川电力设计咨询有限责任公司 | Section steel support shroud plate assembled foundation for frozen soil area |
-
2016
- 2016-12-27 CN CN201621447766.5U patent/CN206457838U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498974A (en) * | 2016-12-27 | 2017-03-15 | 国网江苏省电力公司经济技术研究院 | A kind of assembling type base and its installation method for power transmission tower |
| CN113417313A (en) * | 2021-07-20 | 2021-09-21 | 四川电力设计咨询有限责任公司 | Section steel support shroud plate assembled foundation for frozen soil area |
| CN113417313B (en) * | 2021-07-20 | 2023-02-03 | 四川电力设计咨询有限责任公司 | Section steel support shroud plate assembled foundation for frozen soil area |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |