CN204040055U - A kind of blower fan spread footing upper reinforcement structure of land four blade profiles - Google Patents
A kind of blower fan spread footing upper reinforcement structure of land four blade profiles Download PDFInfo
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- CN204040055U CN204040055U CN201420239864.4U CN201420239864U CN204040055U CN 204040055 U CN204040055 U CN 204040055U CN 201420239864 U CN201420239864 U CN 201420239864U CN 204040055 U CN204040055 U CN 204040055U
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- reinforcing bar
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 42
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 85
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 210000003205 muscle Anatomy 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000004567 concrete Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a kind of blower fan spread footing upper reinforcement structure of land four blade profiles, comprises four blade profile reinforcement frames, and four blade profile reinforcement frames are joined end to end by the trapezoidal single leaf of central point 4 and form; By being parallel to each other and the rectangle reinforcing bar group connection of the reinforcing bar composition evenly arranged between the upper base of symmetrical trapezoidal single leaf; The inner side of the trapezoidal left and right waist of trapezoidal single leaf is provided with the Eight characters gradual change reinforcing bar group being longitudinally evenly arranged gradual change reinforcing bar composition, the gradual change reinforcing bar of Eight characters gradual change reinforcing bar group is that outside gradual change reduces in the Eight characters, the head of splayed gradual change reinforcing bar group connects with the upper base of trapezoidal single leaf, and the afterbody of the splayed gradual change reinforcing bar group of the other end that the afterbody of splayed gradual change reinforcing bar group is symmetrical is connected by reinforcing bar; The inside of trapezoidal single leaf is also provided with the trapezoidal reinforcing bar group of gradual change paralleling the reinforcing bar of evenly arrange with trapezoidal single leaf upper base and going to the bottom and form, and the reasonability of its arrangement of reinforcement, has safety high, basic cost reduction.
Description
Technical field
The utility model relates to a kind of blower foundation bar construction, particularly a kind of blower fan spread footing steel bar overall structure of land four blade profiles.
Background technology
Land wind energy turbine set installation scale about 6,000 ten thousand kW that current China is built, China's land wind energy resources exploitable deposit about 23.8 hundred million kW, the wind energy turbine set of each installation scale 50,000 kW, the base concrete consumption of C40 intensity is about 11550m
3, because weight ratio is comparatively large, so will meet under the stable precondition of underlying security in the design of reinforcement foundation structure, adopting the basic build optimized, a large amount of base concrete engineering quantitys can saved, and can ensure that it has very high safety.
Utility model content
For the problems referred to above, it is high that the utility model provides a kind of safety according to the loading characteristic of four impeller structures, the blower fan spread footing upper reinforcement structure of land four blade profiles that basic cost reduces.
In order to realize above-mentioned object, the utility model by the following technical solutions, a blower fan spread footing upper reinforcement structure for land four blade profiles, comprises four blade profile reinforcement frames, and four described blade profile reinforcement frames are joined end to end by 4 trapezoidal single leaves of central point and form; By being parallel to each other and the rectangle reinforcing bar group connection of the reinforcing bar composition evenly arranged between the upper base of described trapezoidal single leaf symmetrically; The inner side of the trapezoidal left and right waist of described trapezoidal single leaf is provided with the Eight characters gradual change reinforcing bar group being longitudinally evenly arranged gradual change reinforcing bar composition, and the gradual change reinforcing bar of described Eight characters gradual change reinforcing bar group is that outside gradual change reduces in the Eight characters, the head of described splayed gradual change reinforcing bar group connects with the upper base of trapezoidal single leaf, and the afterbody of the splayed gradual change reinforcing bar group in trapezoidal single leaf of the other end that the afterbody of described splayed gradual change reinforcing bar group is symmetrical with trapezoidal single leaf is connected by reinforcing bar; The inside of described trapezoidal single leaf is also provided with the trapezoidal reinforcing bar group of gradual change paralleling the reinforcing bar of evenly arranging with trapezoidal single leaf upper base and going to the bottom and form.
The square reinforcing bar group of the equally distributed reinforcing bar composition that is parallel to each other is provided with in four described blade profile reinforcement frames, the center of described square reinforcing bar group and the centres of four blade profile reinforcement frames, and the diagonal of described square reinforcing bar group and the base vertical of trapezoidal single leaf.
It is tangent that each limit of described square reinforcing bar group is positioned at the intersection point that trapezoidal single leaf head and the tail connect.
The edge of described trapezoidal single leaf is provided with the four limb muscle groups vertical with trapezoidal single leaf, and four described limb muscle groups are by the cross reinforcement parallel with trapezoidal single leaf and the net structure that forms with the longitudinal bar that cross reinforcement intersects vertically.
Longitudinal bar in four described limb muscle groups is equal with the number of steel bars of gradual change trapezoidal reinforcing bar group, and corresponding connection mutually.
The described leaf shape of trapezoidal list is isosceles trapezoid.
The utility model adopts above-mentioned technical scheme, it has the following advantages: the three-dimensional-structure making full use of four blade profiles, play the loading characteristic of four impeller structures, spread footing build is four leaf arrangement forms, whole basis becomes four leaf builds, monolithic concrete structure need be combined into overall force structure with the reinforcing bar matched, reinforcement foundation is arranged by four leaf builds, connect into discharge ring and as a whole bear upper load structure, four blade profile integral reinforced concrete foundation structures, clearly stressed, comparable circular foundation concrete square amount saves 40%.Steel save 20%, shorten the integral construction duration simultaneously, reduce overall investment, further optimize the reasonability that land wind electric field blower foundation cost design effectively improves structure design arrangement of reinforcement, it is high that it has safety, basic cost reduces, and can be adapted to the land wind energy turbine set four leaf spread footing that bearing capacity of foundation soil is greater than 250MPa.
Accompanying drawing explanation
Fig. 1 is a kind of blower fan spread footing upper reinforcement structural representation of land four blade profiles;
Fig. 2 is trapezoidal single leaf part reinforcing bar arrangement schematic diagram;
Fig. 3 is square reinforcing bar group and middle part reinforcement frame reinforcing bar arrangement schematic diagram in trapezoidal single leaf reinforcing bar;
1, trapezoidal single leaf; 2, square reinforcing bar group; 3, rectangle reinforcing bar group; 4, Eight characters gradual change reinforcing bar group; 5, the trapezoidal reinforcing bar group of gradual change; 6, four limb muscle groups.
Detailed description of the invention
Further a kind of blower fan spread footing upper reinforcement structure of land four blade profiles is described according to drawings and embodiments.
The blower fan spread footing upper reinforcement structure of a kind of land four blade profiles as shown in Figure 1, 2, 3, comprises four blade profile reinforcement frames, and four described blade profile reinforcement frames are joined end to end by 4 trapezoidal single leaves 1 of central point and form; By being parallel to each other and the rectangle reinforcing bar 3 groups connection of the reinforcing bar composition evenly arranged between the upper base of described trapezoidal single leaf 1 symmetrically; The inner side of the trapezoidal left and right waist of described trapezoidal single leaf 1 is provided with the Eight characters gradual change reinforcing bar group 4 being longitudinally evenly arranged gradual change reinforcing bar composition, and the gradual change reinforcing bar of described Eight characters gradual change reinforcing bar group 4 is that outside gradual change reduces in the Eight characters, the head of described splayed gradual change reinforcing bar group 4 connects with the upper base of trapezoidal single leaf 1, and the afterbody of the splayed gradual change reinforcing bar group 4 in trapezoidal single leaf 1 of the other end that the afterbody of described splayed gradual change reinforcing bar group 4 is symmetrical with trapezoidal single leaf 1 is connected by reinforcing bar; The inside of described trapezoidal single leaf 1 is also provided with the trapezoidal reinforcing bar group 5 of gradual change paralleling the reinforcing bar of evenly arranging with trapezoidal single leaf 1 upper base and going to the bottom and form.
Rectangle reinforcing bar group 31 between symmetrical trapezoidal single leaf 1 is evenly arranged by the reinforcing bar of 9 Φ 28mm to form;
Eight characters gradual change reinforcing bar group 4 by monolateral be the length gradual change of 8 Φ 28mm reinforcing bar arrange form;
The trapezoidal reinforcing bar group 4 of gradual change in each trapezoidal single leaf 1 is parallel to each other by the reinforcing bar of 23 Φ 16mm evenly to arrange;
In the above-described embodiment, in order to stability is more increased, the square reinforcing bar group 2 of the equally distributed reinforcing bar composition that is parallel to each other can be provided with in figure 3 in four blade profile reinforcement frames, the center of described square reinforcing bar group 2 and the centres of four blade profile reinforcement frames, and the diagonal of described square reinforcing bar group 2 and the base vertical of trapezoidal single leaf 1.It is tangent that each limit of square reinforcing bar group 2 is positioned at the intersection point that trapezoidal single leaf 1 head and the tail connect, square reinforcing bar group 2 by monolateral be that the parallel reinforced steel bar of 7 diameter of phi 28mm forms.
In the above-described embodiment, the edge of trapezoidal single leaf 1 as illustrated in figs. 1 and 2 is provided with the four limb muscle groups 6 vertical with trapezoidal single leaf 1, four described limb muscle groups 6 are by the cross reinforcement parallel with trapezoidal single leaf and the net structure that forms with the longitudinal bar that cross reinforcement intersects vertically, longitudinal bar in four limb muscle groups 6 is equal with the number of steel bars of gradual change trapezoidal reinforcing bar group 5, and corresponding connection mutually, the diameter of phi 16mm of the reinforcing bar in four limb muscle groups 6.
In the above-described embodiment, more balance in order to overall structure is stressed, manufacture more simple, trapezoidal single leaf 1 shape is isosceles trapezoid as shown in Figure 1.
In the above-described embodiments, the connection between all reinforcing bars is connected by modes such as welding or buttings.
In sum, the utility model provides a kind of blower fan spread footing upper reinforcement structure of land four blade profiles, make full use of the three-dimensional-structure of four blade profiles, play the loading characteristic of four impeller structures, spread footing build is four leaf arrangement forms, whole basis becomes four leaf builds, monolithic concrete structure need be combined into overall force structure with the reinforcing bar matched, reinforcement foundation is arranged by four leaf builds, connect into discharge ring and as a whole bear upper load structure, four blade profile integral reinforced concrete foundation structures, clearly stressed, comparable circular foundation concrete square amount saves 40%.Steel save 20%, shorten the integral construction duration simultaneously, reduce overall investment, further optimize the reasonability that land wind electric field blower foundation cost design effectively improves structure design arrangement of reinforcement, it is high that it has safety, basic cost reduces, and can be adapted to the land wind energy turbine set four leaf spread footing that bearing capacity of foundation soil is greater than 250MPa.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.
The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
Claims (6)
1. a blower fan spread footing upper reinforcement structure for land four blade profiles, is characterized in that, comprise four blade profile reinforcement frames, and four described blade profile reinforcement frames are joined end to end by 4 trapezoidal single leaves of central point and form; By being parallel to each other and the rectangle reinforcing bar group connection of the reinforcing bar composition evenly arranged between the upper base of described trapezoidal single leaf symmetrically; The inner side of the trapezoidal left and right waist of described trapezoidal single leaf is provided with the Eight characters gradual change reinforcing bar group being longitudinally evenly arranged gradual change reinforcing bar composition, and the gradual change reinforcing bar of described Eight characters gradual change reinforcing bar group is that outside gradual change reduces in the Eight characters, the head of described splayed gradual change reinforcing bar group connects with the upper base of trapezoidal single leaf, and the afterbody of the splayed gradual change reinforcing bar group in trapezoidal single leaf of the other end that the afterbody of described splayed gradual change reinforcing bar group is symmetrical with trapezoidal single leaf is connected by reinforcing bar; The inside of described trapezoidal single leaf is also provided with the trapezoidal reinforcing bar group of gradual change paralleling the reinforcing bar of evenly arranging with trapezoidal single leaf upper base and going to the bottom and form.
2. the blower fan spread footing upper reinforcement structure of a kind of land four blade profiles according to claim 1, it is characterized in that, the square reinforcing bar group of the equally distributed reinforcing bar composition that is parallel to each other is provided with in four described blade profile reinforcement frames, the center of described square reinforcing bar group and the centres of four blade profile reinforcement frames, and the diagonal of described square reinforcing bar group and the base vertical of trapezoidal single leaf.
3. the blower fan spread footing upper reinforcement structure of a kind of land four blade profiles according to claim 2, is characterized in that, it is tangent that each limit of described square reinforcing bar group is positioned at the intersection point that trapezoidal single leaf head and the tail connect.
4. the blower fan spread footing upper reinforcement structure of a kind of land four blade profiles according to claim 1, it is characterized in that, the edge of described trapezoidal single leaf is provided with the four limb muscle groups vertical with trapezoidal single leaf, and four described limb muscle groups are by the cross reinforcement parallel with trapezoidal single leaf and the net structure that forms with the longitudinal bar that cross reinforcement intersects vertically.
5. the blower fan spread footing upper reinforcement structure of a kind of land four blade profiles according to claim 4, is characterized in that, the longitudinal bar in four described limb muscle groups is equal with the number of steel bars of gradual change trapezoidal reinforcing bar group, and corresponding connection mutually.
6. according to the blower fan spread footing upper reinforcement structure of land four blade profiles of any one described in claim 1 to 5, it is characterized in that, the described leaf shape of trapezoidal list is isosceles trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239864.4U CN204040055U (en) | 2014-05-12 | 2014-05-12 | A kind of blower fan spread footing upper reinforcement structure of land four blade profiles |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420239864.4U CN204040055U (en) | 2014-05-12 | 2014-05-12 | A kind of blower fan spread footing upper reinforcement structure of land four blade profiles |
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| CN204040055U true CN204040055U (en) | 2014-12-24 |
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| CN201420239864.4U Expired - Lifetime CN204040055U (en) | 2014-05-12 | 2014-05-12 | A kind of blower fan spread footing upper reinforcement structure of land four blade profiles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967047A (en) * | 2014-05-12 | 2014-08-06 | 中国水电顾问集团西北勘测设计研究院有限公司 | Overland four-blade type upper portion rebar structure of draught fan spread foundation |
-
2014
- 2014-05-12 CN CN201420239864.4U patent/CN204040055U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967047A (en) * | 2014-05-12 | 2014-08-06 | 中国水电顾问集团西北勘测设计研究院有限公司 | Overland four-blade type upper portion rebar structure of draught fan spread foundation |
| CN103967047B (en) * | 2014-05-12 | 2015-10-28 | 中国电建集团西北勘测设计研究院有限公司 | A kind of blower fan spread footing upper reinforcement structure of land four blade profiles |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170622 Address after: 710065, No. eight, No. 18 East Road, Yanta District, Shaanxi, Xi'an Patentee after: Northwest Water Conservancy and Hydropower Engineering Co Ltd Address before: 710065 Shaanxi Province, Xi'an City Road eight No. 18 Patentee before: Co., Ltd of northwest survey and design research institute of electricity Jian group of China |
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| TR01 | Transfer of patent right |