CN205171539U - A two rock foundations that build in for transmission tower - Google Patents
A two rock foundations that build in for transmission tower Download PDFInfo
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- CN205171539U CN205171539U CN201520934792.XU CN201520934792U CN205171539U CN 205171539 U CN205171539 U CN 205171539U CN 201520934792 U CN201520934792 U CN 201520934792U CN 205171539 U CN205171539 U CN 205171539U
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- rock foundation
- rock
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- main material
- transmission tower
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- 239000011435 rock Substances 0.000 title claims abstract description 54
- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 48
- 239000002689 soil Substances 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 7
- 210000002683 foot Anatomy 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000004575 stone Substances 0.000 claims description 12
- 239000004927 clay Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model relates to a two rock foundations that build in for transmission tower, the transmission tower include the body of the tower and the cross arm that the body of the tower upper end set up rather than axial vertical, rock foundation include weak soil basis and weak soil basis lower extreme is rather than the basis that builds in that sets up with the axle center, the body of the tower serve as reasons main material, to one side the material and with the frame construction that the perpendicular horizontal material zigzag connection that sets up of main material formed, rock foundation is fixed four column foots of transmission tower. The utility model provides a pair of a two rock foundations that build in for transmission tower to satisfy fixed requirement, improvement foundation capability and stability, the reduction installation and maintenance cost of transmission tower under the geological conditions of rock stratum.
Description
Technical field
The utility model relates to transmission facility, specifically relates to a kind of two build-in rock foundations for power transmission tower.
Background technology
Basis is the supporting member that construction bottom contacts with ground, and its effect is that the load on building top is passed to ground, is the important component part of power transmission tower.Often run in transmission line foundation and have shallow-layer to be soil layer, and slightly depths is the geological conditions of rock stratum, carries out electric energy conveying at this geological conditions, often need to set up rock foundation.
Existing rock foundation often adopts large slab foundation or footing foundation to fix, following problem can be related to: 1. the bearing capacity of foundation soil of existing power transmission tower essential bearing stratum is lower, the overburden layer of shallow-layer is thicker, cause and general steel tower shallow foundation is needed to take larger area, darker embedded depth of foundation compared with other areas, the excavated volume of the cubic metre of earth and stone is large, and concrete and amount of reinforcement are also large.2. sole plate width is large, and basis is large by external disturbance, the stability of basic foundation all can be caused to be damaged as having uneven preloading or excavation fish pond, ditch etc. near tower position.3. foundation cost high, not easily install and keep in repair.
For this reason, need to provide a kind of two build-in rock foundations for power transmission tower, with meet power transmission tower under formation geology condition fixing requirement, improve foundation capability and stability, reduction installation and maintenance cost.
Utility model content
The problems referred to above solved are realized by following technical proposals: provide a kind of two build-in rock foundations for power transmission tower, and described power transmission tower comprises tower body and at described tower body upper end and its axial vertically disposed cross-arm; The Embed based that described pair of build-in rock foundation comprises weak soil basis and arranges in described weak soil lower end, basis and its concentric,
Described tower body is by main material, tiltedly material and the frame construction that is cross-linked to form with the vertically disposed horizontal material of described main material;
Described rock foundation is fixed on four column foots of described power transmission tower.
Described main material is vertically arranged in the horizontal plane,
Described main material is connected with horizontal material connector, and described horizontal material forms square tabula face in same level;
Described oblique material two ends are connected to form triangle with adjacent described main material and horizontal material respectively and support face.
Described weak soil basis is arranged on surface clay layer, is cylindrical basic stand column and forms at the basic round platform of described basic stand column lower end by shape;
Surface clay layer is exposed on described basic stand column top;
Described Embed based is the round platform being arranged on lithosphere.
Be provided with rebar cylinder mould in described rock foundation, described rebar cylinder mould is the netted cylinder be made up of with the ring-shaped stirrup being arranged on the axial vertical direction of described rock foundation the main muscle vertically arranged around described rock foundation axle center.
Coaxial stone bolt arranged with it is provided with in described rock foundation,
Described stone bolt comprise with the screw rod of the coaxial setting of described rock foundation, be arranged on described screw rod lower end and with the vertical circular baffle plate of described screw axial and the nut assembly being arranged on described screw rod upper end and being connected with the horizontal girder steel of described column foot;
Described horizontal girder steel is provided with surperficial vertically disposed screw rod fixing hole with it.
Described horizontal girder steel top and bottom are respectively equipped with and are fixed on clamp nut on described screw rod and holding nut;
Described clamp nut, between holding nut and horizontal girder steel, be provided with packing ring;
Described clamp nut is two.
The steel of described main material to be cross section be Y-shaped,
It comprises equal leg angle and is arranged on the T-piece outside described equal leg angle angular bisector.
Described main material is by casting integrated shaping.
Described cross-arm comprises and described tower body axially vertically disposed crossbeam and be arranged on the triangle be made up of bracing piece between described crossbeam and support face.
For a construction method for two build-in rock foundations of power transmission tower, its main construction sequence comprises:
(1) foundation location: combine on-the-spot concrete processing setting-out requirement, make the center of rock foundation.
(2) basis, top round platform excavation: along column excavation, suitably can use machinery, be excavated to and expand the head degree of depth, carry out expansion head and excavate shaping.
(3) weak soil basis and Embed based are excavated: do not adopt explosion as far as possible, must not disturbance rock mass during mechanical equivalent of light excavation, are undertaken being excavated to substrate by design size.
(4) assembling reinforcement cylinder mould and stone bolt are located: lift in cheat cheating outer assembling reinforcement cage, or directly colligation in cheating; Positioning stone bolt also carries out colligation and fixes.
(5) concreting maintenance: one-time-concreting is shaping, carries out maintenance by specification.
With immediate prior art ratio, the technical scheme that the utility model provides has following beneficial effect:
1, the rock foundation that the application provides can meet the fixing requirement of power transmission tower under formation geology condition, has that foundation capability is strong, good stability, installation is simple and maintenance cost is a low excellent effect.
2, the rock foundation that provides of the application adopts the foundation structure that weak soil basis and Embed based combine, have simple and reasonable, crystallized ability strong and the excellent effect of good economy performance.
3, the rock foundation that the application provides adopts two build-in designs of Embed based and the combination of basic round platform, has the excellent effect that Compressive Bearing Capacity is large.
4, the rock foundation that the application provides is provided with basic round platform, has the excellent effect improving power transmission tower stability against overturning.
5, the stone bolt that the application provides adopts two clamp nut design, has fixation, the simple excellent effect of structure.
6, the power transmission tower employing cross section that the application provides is that the main material of Y-shaped is provided with T-piece, solves and steps on the inefficient problem of tower work operations, eliminate the shortcoming that original anti-fall track cost is high, use complexity.
Accompanying drawing explanation
The power transmission tower that Fig. 1 provides for the utility model and rock foundation connection diagram;
The rock foundation sectional view that Fig. 2 provides for the utility model;
The A-A sectional view of Fig. 2 that Fig. 3 provides for the utility model;
The rock foundation that Fig. 4 provides for the utility model and stone bolt connection diagram;
The foundation bolt structure schematic diagram that Fig. 5 provides for the utility model;
The main material top view that Fig. 6 provides for the utility model;
Wherein, 1-tower body, 2-weak soil basis, 3-Embed based, 4-main material, 5-tiltedly material, 6-horizontal material, 7-basic stand column, 8-basic round platform, 9-rebar cylinder mould, 10-stone bolt, 11-screw rod, 12-circular baffle plate, 13-clamp nut, 14-holding nut.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1:
As shown in Figure 1, a kind of two build-in rock foundations for power transmission tower, described power transmission tower comprises tower body 1 and at described tower body 1 upper end and its axial vertically disposed cross-arm; The Embed based 3 that described pair of build-in rock foundation comprises weak soil basis 2 and arranges in described weak soil 2 lower ends, basis and its concentric,
Described tower body 1 is by main material 4, tiltedly material 5 and the frame construction that is cross-linked to form with the vertically disposed horizontal material 6 of described main material 4;
Described rock foundation is fixed on four column foots of described power transmission tower.
Described main material 4 is vertically arranged in the horizontal plane,
Described main material 4 is connected with connector with horizontal material 6, and described horizontal material 6 forms square tabula face in same level;
Described oblique material 5 two ends are connected to form triangle with adjacent described main material 4 and horizontal material 6 respectively and support face.
As shown in Figures 2 and 3, described weak soil basis 2 is arranged on surface clay layer, is cylindrical basic stand column 7 and forms at the basic round platform 8 of described basic stand column 7 lower end by shape;
Surface clay layer is exposed on described basic stand column 7 top;
Described Embed based 3 is for being arranged on the round platform of lithosphere.
Be provided with rebar cylinder mould 9 in described rock foundation, described rebar cylinder mould 9 is the netted cylinder be made up of with the ring-shaped stirrup being arranged on the axial vertical direction of described rock foundation the main muscle vertically arranged around described rock foundation axle center.
Coaxial stone bolt 10 arranged with it is provided with in described rock foundation,
As shown in Figure 4 and Figure 5, described stone bolt 10 be provided with the screw rod 11 of the coaxial setting of described rock foundation, be arranged on described screw rod 11 lower end and with the axially vertical circular baffle plate 12 of described screw rod 11 and the nut assembly being arranged on described screw rod 11 upper end and being connected with the horizontal girder steel of described column foot;
Described horizontal girder steel is provided with surperficial vertically disposed screw rod fixing hole with it.
Described horizontal girder steel top and bottom are respectively equipped with and are fixed on clamp nut 13 on described screw rod 11 and holding nut 14;
Described clamp nut 13, between holding nut 14 and horizontal girder steel, be provided with packing ring;
Described clamp nut 13 is two.
As shown in Figure 6, described main material 4 for cross section be the steel of Y-shaped,
It is equal leg angle and the T-piece be arranged on outside described equal leg angle angular bisector.
Described main material 4 is by casting integrated shaping.
Described cross-arm is provided with and described tower body 1 axially vertically disposed crossbeam and be arranged on the triangle be made up of bracing piece between described crossbeam and support face.
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 still can modify to detailed description of the invention of the present utility model or equivalent replacement; and these do not depart from any amendment of the utility model spirit and scope or equivalent replacement, its claim of the present utility model all awaited the reply in application is protected within model.
Claims (9)
1., for two build-in rock foundations for power transmission tower, described power transmission tower comprises tower body (1) and at described tower body (1) upper end and its axial vertically disposed cross-arm; The Embed based (3) that described pair of build-in rock foundation comprises weak soil basis (2) and arranges in (2) lower end, described weak soil basis and its concentric, is characterized in that,
Described tower body (1) is by main material (4), tiltedly material (5) and the frame construction that is cross-linked to form with the vertically disposed horizontal material (6) of described main material (4);
Described rock foundation is fixed on four column foots of described power transmission tower.
2. rock foundation as claimed in claim 1, is characterized in that, described main material (4) is vertically arranged in the horizontal plane,
Described main material (4) is connected with connector with horizontal material (6), and described horizontal material (6) forms square tabula face in same level;
Described oblique material (5) two ends are connected to form triangle with adjacent described main material (4) and horizontal material (6) respectively and support face.
3. rock foundation as claimed in claim 1, it is characterized in that, described weak soil basis (2) is arranged on surface clay layer, is cylindrical basic stand column (7) and forms at the basic round platform (8) of described basic stand column (7) lower end by shape;
Surface clay layer is exposed on described basic stand column (7) top;
Described Embed based (3) is for being arranged on the round platform of lithosphere.
4. rock foundation as claimed in claim 1, it is characterized in that, be provided with rebar cylinder mould (9) in described rock foundation, described rebar cylinder mould (9) is the netted cylinder be made up of with the ring-shaped stirrup being arranged on the axial vertical direction of described rock foundation the main muscle vertically arranged around described rock foundation axle center.
5. rock foundation as claimed in claim 1, is characterized in that, be provided with coaxial stone bolt (10) arranged with it in described rock foundation,
Described stone bolt (10) comprise with the screw rod of the coaxial setting of described rock foundation (11), be arranged on described screw rod (11) lower end and with the axially vertical circular baffle plate (12) of described screw rod (11) and the nut assembly being arranged on described screw rod (11) upper end and being connected with the horizontal girder steel of described column foot;
Described horizontal girder steel is provided with surperficial vertically disposed screw rod fixing hole with it.
6. rock foundation as claimed in claim 5, is characterized in that, described horizontal girder steel top and bottom are respectively equipped with and are fixed on clamp nut (13) on described screw rod (11) and holding nut (14);
Described clamp nut (13), between holding nut (14) and horizontal girder steel, be provided with packing ring;
Described clamp nut (13) is two.
7. rock foundation as claimed in claim 1, is characterized in that, described main material (4) for cross section be the steel of Y-shaped,
It comprises equal leg angle and is arranged on the T-piece outside described equal leg angle angular bisector.
8. rock foundation as claimed in claim 7, it is characterized in that, described main material (4) is by casting integrated shaping.
9. rock foundation as claimed in claim 1, is characterized in that, described cross-arm comprises and described tower body (1) axially vertically disposed crossbeam and be arranged on the triangle be made up of bracing piece between described crossbeam and support face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520934792.XU CN205171539U (en) | 2015-11-20 | 2015-11-20 | A two rock foundations that build in for transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520934792.XU CN205171539U (en) | 2015-11-20 | 2015-11-20 | A two rock foundations that build in for transmission tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205171539U true CN205171539U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520934792.XU Active CN205171539U (en) | 2015-11-20 | 2015-11-20 | A two rock foundations that build in for transmission tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205171539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121341A (en) * | 2016-08-09 | 2016-11-16 | 国网上海市电力公司 | A kind of extra high voltage network emergency first-aid repair strain rod tower |
-
2015
- 2015-11-20 CN CN201520934792.XU patent/CN205171539U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121341A (en) * | 2016-08-09 | 2016-11-16 | 国网上海市电力公司 | A kind of extra high voltage network emergency first-aid repair strain rod tower |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |