CN206457837U - A kind of assembled type base for power transmission line iron tower - Google Patents
A kind of assembled type base for power transmission line iron tower Download PDFInfo
- Publication number
- CN206457837U CN206457837U CN201621446990.2U CN201621446990U CN206457837U CN 206457837 U CN206457837 U CN 206457837U CN 201621446990 U CN201621446990 U CN 201621446990U CN 206457837 U CN206457837 U CN 206457837U
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- China
- Prior art keywords
- power transmission
- transmission line
- iron tower
- type base
- foundation
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 230000005540 biological transmission Effects 0.000 title claims abstract description 34
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 230000005484 gravity Effects 0.000 claims abstract description 7
- 239000004576 sand Substances 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 6
- -1 polypropylene Polymers 0.000 description 6
- 229920001155 polypropylene Polymers 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000011435 rock Substances 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
- 238000005336 cracking Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 238000004140 cleaning Methods 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
- 238000009417 prefabrication Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
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- Foundations (AREA)
Abstract
The utility model discloses a kind of assembled type base for power transmission line iron 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.The utility model assembling type base, it is simple in construction, it is easy for installation, the stability and extraction-resistant behavior on basis can be effectively improved, the iron tower of power transmission line 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 assembled type base for power transmission line iron 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 iron tower of power transmission line, is the weight of transmission line structure system
Want 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
Dissipate, husky liquid flowability it is big, thus the regional power transmission line iron tower foundation buried depth of drift-sand it is difficult to ensure that, stability of foundation is poor.It is existing
Concrete foundation, 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 base
Plinth stability is poor, it is difficult to meet the requirement of the resistance to plucking and stability against overturning of the power transmission line iron tower foundation 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
Line steel tower assembling type base.
In order to achieve the above object, the utility model provides a kind of assembled type base for power transmission line iron tower, including four sets of steel
Frame basis；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
Support；Steel bracket is tetrahedron；Tetrahedral bottom surface is the surface that isosceles triangle bottom surface summit is located at the bottom surface heart；
Angle between tetrahedron upper end vertex and the line of bottom surface heart and tetrahedron upper end fixed point and the line of bottom surface center of gravity is 3-
5 °, and axial centre of the line away from iron tower of power transmission line of tetrahedron upper end vertex and bottom surface center of gravity；Firm banking includes many
The horizontally disposed horizontal concrete slab of root and three vertical concrete laths；Vertical concrete lath is laid on evenly and at intervals
The top of horizontal concrete slab, and it is perpendicular with horizontal concrete slab；The corresponding position of every vertical concrete lath
It is equipped with a fixing bolt；The bottom of steel bracket is fixed on vertical concrete lath by fixing bolt.
The drift angle of steel bracket bottom surface is preferably 70 °.
Often set Foundation of steel frame also includes many anchor poles；Every horizontal concrete slab is provided with four anchor pole fixing holes,
It is spaced with vertical concrete lath；Anchor pole is fixed in corresponding anchor pole fixing hole.
Fixed cover is additionally provided with outside anchor pole；Anti-crack concrete has been poured in fixed cover.
Wherein, 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 correspondence
Fixing bolt be fixed on vertical concrete lath, form tetrahedral three inclined-planes；Two are horizontally disposed with each inclined-plane
Cross bar；Two braces are set on each inclined-plane, and brace is connected to form triangle support face with adjacent crossbars and mobile jib.
Steel bracket upper end is provided with base roof plate；Base roof plate is connected by foundation bolt with the column foot of iron tower of power transmission line.
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 anchor pole in Foundation of steel frame lower end, 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, while being provided with fixed cover outside anchor pole, anchor pole is protected by pouring anti-crack concrete wherein, enters one
Step strengthens its compression strength and cracking resistance, improves the stability of assembling type base.
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 of the utility model assembled type base for power transmission line iron 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；
Fig. 4 is the structural representation of anchor pole 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, 24- anchor pole fixing holes, 3- steel brackets, 31- mobile jibs, 32- cross bars, 33- braces, 4- base roof plates, 5- anchor poles, 51- is solid
Fixed set.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, the utility model assembled type base for power transmission line iron 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.Often
Root transverse direction concrete slab 21 is provided with four anchor pole fixing holes 24, is spaced with vertical concrete lath 22, Mei Gemao
A corresponding anchor pole 5 is fixed with bar fixing hole 24.With reference to Fig. 4, the every periphery of anchor pole 5 is fixed with fixed cover 51.
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, form tetrahedral three inclined-planes.Often
Two braces 33 and the cross bar 32 of two levels are provided with individual inclined-plane, brace is connected to form triangle with adjacent crossbars and mobile jib
Support face.As shown in Fig. 2 the lower end of three mobile jibs 31 forms tetrahedral bottom surface, it is isosceles triangle, the connection of three mobile jibs 31
Point forms tetrahedron upper end vertex, and the summit is located at the surface of bottom surface heart.At tetrahedron upper end vertex and bottom surface heart A
The angle α between line at line and tetrahedron upper end vertex and bottom surface center of gravity B is 3-5 °, and tetrahedron upper end vertex and B
Axial centre of the line away from iron tower of power transmission line of point.The top of steel bracket 3 is provided with base roof plate 4；Base roof plate 4 passes through ground
Foot bolt is connected with the column foot of iron tower of power transmission line.
, it is necessary to pour anti-crack concrete into the fixed cover 51 of anchor pole during construction.The formula of anti-crack concrete is selected
Take experiment.
Anti-crack concrete a is prepared by the raw material of following weight proportion：20 parts of cement, 5 parts of miberal powder, 2 parts of flyash, pearl
1 part of rock, 0.5 part of high-efficiency water-reducing agent of poly-carboxylic acid, water suction 3 parts of haydite, 1 part of steel fibre, 1 part of fine sand, 1 part of polypropylene fibre,
0.2 part of early strength agent；The particle size of water suction haydite is 5-10mm；The length of steel fibre is 1-3mm；The length of polypropylene fibre
For 3-5mm.The anti-crack concrete 28d compression strength prepared is 61MPa, and free from flaw.
Anti-crack concrete b is prepared by the raw material of following weight proportion：30 parts of cement, 10 parts of miberal powder, 3 parts of flyash, treasure
2 parts of pearl rock, 1 part of high-efficiency water-reducing agent of poly-carboxylic acid, 5 parts of haydite of water suction, 2 parts of steel fibre, 2 parts of fine sand, 2 parts of polypropylene fibre, morning
Strong 0.5 part of agent；The particle size of water suction haydite is 5-10mm；The length of steel fibre is 1-3mm；The length of polypropylene fibre is
3-5mm.The anti-crack concrete 28d compression strength prepared is 62MPa, and free from flaw.
Anti-crack concrete c is prepared by the raw material of following weight proportion：30 parts of cement, 8 parts of miberal powder, 2 parts of flyash, pearl
1 part of rock, 0.5 part of high-efficiency water-reducing agent of poly-carboxylic acid, 4 parts of haydite of water suction, 2 parts of steel fibre, 1 part of fine sand, 1 part of polypropylene fibre, morning
Strong 0.3 part of agent.The particle size of water suction haydite is 5-10mm；The length of steel fibre is 1-3mm；The length of polypropylene fibre is
3-5mm.The anti-crack concrete 28d compression strength prepared is 65MPa, and free from flaw.
From experiment, anti-crack concrete c has stronger compression strength and cracking resistance, and performance is optimal.
When carrying out the construction of the utility model assembling type base：Iron tower of power transmission line basal plane and neighbouring surface dust and debris is clear
After reason is clean, the foundation ditch for fixing Foundation of steel frame is excavated；Surflaes or rubble in foundation ditch is cleaned out, and reserved anchor pole is bored
Machine construction space；Fixing anchor bar 5 is installed and anti-crack concrete c is irrigated into fixed cover 51；Cleaning bottom of foundation ditch simultaneously uses coagulation
Soil or blotter are flattened to bottom of foundation ditch；By the fixing nut fixed lateral concrete slab 21 on anchor pole top, then will
Vertical concrete lath 22 is fixed on horizontal concrete slab 21；Steel bracket 3 is installed；Lay four sets of steel respectively as stated above
Frame basis 1；It is 100 according to drift-sand and Portland cement weight ratio:2 ratio stirring prepares mixing backfill material, carries out
Backfill, is backfilled to behind top layer, laying straw checkerboard barrier sand-protecting barrier or gravel paving pressure；Iron tower of power transmission line is finally set up on Foundation of steel frame.
Claims (6)
1. a kind of assembled type base for power transmission line iron 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 iron tower of power transmission line；Often set Foundation of steel frame includes firm banking and steel bracket；It is described
Steel bracket is in tetrahedral；Tetrahedral bottom surface is isosceles triangle, and bottom surface summit is located at the surface of the bottom surface heart；Four
The line and the angle between the line of bottom surface center of gravity of face body upper end vertex and bottom surface heart are 3-5 °, and tetrahedron upper end is pushed up
Point and axial centre of the line away from iron tower of power transmission line of bottom surface center of gravity；The firm banking includes many horizontally disposed horizontal strokes
To concrete slab and three vertical concrete laths；The vertical concrete lath is laid on the transverse direction and mixed evenly and at intervals
The top of concrete board bar, and it is perpendicular with the horizontal concrete slab；The corresponding position of the vertical concrete lath is equal
Provided with a fixing bolt；The bottom of the steel bracket is fixed on the vertical concrete lath by the fixing bolt.
2. assembled type base for power transmission line iron tower according to claim 1, it is characterised in that：The top of the steel bracket bottom surface
Angle is 70 °.
3. assembled type base for power transmission line iron tower according to claim 1, it is characterised in that：The often set Foundation of steel frame is also
Including many anchor poles；Every horizontal concrete slab is provided with four anchor pole fixing holes, is arranged with vertical concrete lath interval
Row；The anchor pole is fixed in corresponding anchor pole fixing hole.
4. assembled type base for power transmission line iron tower according to claim 3, it is characterised in that：It is additionally provided with outside the anchor pole
Fixed cover；Anti-crack concrete has been poured in the fixed cover.
5. assembled type base for power transmission line iron tower according to claim 4, it is characterised in that：The steel bracket includes master
Bar, cross bar, brace；The mobile jib is three, and one end is connected with each other, and the other end is fixed on described hang down by corresponding fixing bolt
On straight concrete slab, tetrahedral three inclined-planes are formed；Two cross bars are horizontally disposed with each inclined-plane；Set on each inclined-plane
Two braces, the brace is connected to form triangle support face with adjacent crossbars and mobile jib.
6. assembled type base for power transmission line iron tower according to claim 5, it is characterised in that：The steel bracket upper end is provided with
Base roof plate；The base roof plate is connected by foundation bolt with the column foot of iron tower of power transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446990.2U CN206457837U (en) | 2016-12-27 | 2016-12-27 | A kind of assembled type base for power transmission line iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446990.2U CN206457837U (en) | 2016-12-27 | 2016-12-27 | A kind of assembled type base for power transmission line iron tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206457837U true CN206457837U (en) | 2017-09-01 |
Family
ID=59697549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621446990.2U Active CN206457837U (en) | 2016-12-27 | 2016-12-27 | A kind of assembled type base for power transmission line iron tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206457837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498973A (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 assembled type base for power transmission line iron tower and its installation method |
-
2016
- 2016-12-27 CN CN201621446990.2U patent/CN206457837U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498973A (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 assembled type base for power transmission line iron tower and its installation method |
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