CN203846525U - Lower rebar structure of onshore four-blade type spread foundation of fan - Google Patents
Lower rebar structure of onshore four-blade type spread foundation of fan Download PDFInfo
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- CN203846525U CN203846525U CN201420239696.9U CN201420239696U CN203846525U CN 203846525 U CN203846525 U CN 203846525U CN 201420239696 U CN201420239696 U CN 201420239696U CN 203846525 U CN203846525 U CN 203846525U
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Abstract
The utility model provides a lower rebar structure of an onshore four-blade type spread foundation of a fan. The lower rebar structure comprises a four-blade rebar frame, wherein the four-blade rebar frame is formed by connecting four trapezoidal single blades end to end, the four trapezoidal single blades surround and are symmetrical about the center point of the four-blade rebar frame, the upper bottoms of the mutually-symmetrical trapezoidal single blades are connected with a rectangular rebar set composed of rebars which are perpendicular to the upper bottoms of the trapezoidal single blades and are evenly distributed, an inverted-V-shaped rebar set composed of evenly distributed rebars is arranged in each trapezoidal single blade, part of the rebars of each inverted-V-shaped rebar set are parallel to the left side of the corresponding trapezoidal single blade, the other rebars of the each inverted-V-shaped rebar set are parallel to the right side of the corresponding trapezoidal single blade, the head portion of each inverted-V-shaped rebar set is connected with the upper bottom of the corresponding trapezoidal single blade, the tail portion of each inverted-V-shaped rebar set of the corresponding trapezoidal single blade is connected with the tail portion of the inverted-V-shaped rebar set of the trapezoidal single blade, at the other end, symmetrical to the former trapezoidal single blade, a gradient trapezoidal rebar set is further arranged in each trapezoidal single blade, and each gradient trapezoidal rebar set is composed of evenly-distributed rebars which are parallel to the upper bottom and the lower bottom of the corresponding trapezoidal single blade. Due to reasonability of rebar distribution, the lower rebar structure of the onshore four-blade type spread foundation of the fan has the advantages that safety is high, and the basic cost is reduced.
Description
Technical field
The utility model relates to the blower fan spread footing steel bar overall structure of a kind of blower foundation bar construction, particularly a kind of land four blade profiles.
Background technology
Land wind energy turbine set installation scale approximately 6,000 ten thousand kW that China builds at present, China's land wind energy resources can exploitation be measured approximately 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 larger, so will meet under the precondition of basic safety and stability, adopt the basic build of optimizing in the design of reinforcement foundation structure, can save a large amount of base concrete engineering quantitys, and can guarantee that it has very high safety.
Utility model content
For the problems referred to above, utility model provides a kind of safe according to the loading characteristic of four impeller structures, the blower fan spread footing lower rebar 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 kind of blower fan spread footing lower rebar structure of land four blade profiles, comprise four leaf reinforcement frames, four described leaf reinforcement frames are to be joined end to end by 4 trapezoidal single leaves around four leaf reinforcement frame central point, the rectangle reinforcing bar group consisting of reinforcing bar vertical with trapezoidal single leaf upper base and that evenly arrange between the upper base of described symmetrical trapezoidal single leaf connects, the inside of described trapezoidal single leaf is provided with the Eight characters reinforcing bar group of equally distributed lose no time composition parallel with trapezoidal single leaf left and right waist, the head of described Eight characters reinforcing bar group connects with the upper base of trapezoidal single leaf, the Eight characters reinforcing bar group afterbody of the trapezoidal single leaf of the other end that the afterbody of described Eight characters reinforcing bar group is symmetrical with trapezoidal single leaf connects by reinforcing bar, the inside of described trapezoidal single leaf is also provided with trapezoidal single leaf upper base and goes to the bottom and parallels the trapezoidal reinforcing bar group of gradual change of the reinforcing bar composition of evenly arranging,
In four described leaf reinforcement frames, be respectively equipped with the square reinforcing bar group that the equally distributed reinforcing bar that is parallel to each other forms, described square reinforcing bar Zu center and the centres of four leaf reinforcement frames, and the diagonal of described square reinforcing bar group and the base of trapezoidal single leaf vertical.
Each limit of described square reinforcing bar group is tangent with the intersection point that trapezoidal single leaf is connected from beginning to end.
In described Eight characters reinforcing bar group, between equally distributed reinforcing bar, by isometric reinforcing bar group, 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 longitudinal bar that cross reinforcement intersects vertically.
Longitudinal bar in four described limb muscle groups equates with the number of steel bars in the trapezoidal reinforcing bar group of gradual change, and corresponding connection mutually.
The shape of described trapezoidal single leaf is isosceles trapezoid.
The utility model adopts above-mentioned technical scheme, it has the following advantages: the three-dimensional-structure that makes full use of four blade profiles, bring into 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 whole force structure with the reinforcing bar matching, reinforcement foundation is arranged by four leaf builds, connect into the as a whole upper load structure of bearing with discharge ring, four blade profile integral reinforced concrete foundation structures, stressed clear and definite, comparable circular foundation concrete square amount saves 40%.Steel save 20%, shortened the integral construction duration simultaneously, reduced whole investment, further optimized the reasonability that land wind electric field blower foundation cost design effectively improves structure design arrangement of reinforcement, it has safe, basic cost reduces, and can be adapted to the land wind energy turbine set four leaf spread footings that bearing capacity of foundation soil is greater than 250MPa.
Accompanying drawing explanation
Fig. 1 is a kind of blower fan spread footing lower rebar structural representation of land four blade profiles;
Fig. 2 is trapezoidal single leaf part reinforcing bar schematic diagram of arranging;
Fig. 3 is the trapezoidal reinforcing bar group of the trapezoidal single leaf schematic diagram of arranging.
1, trapezoidal single leaf; 2, square reinforcing bar group; 3, four limb muscle groups; 4, rectangle reinforcing bar group; 5, Eight characters reinforcing bar group; 6, the trapezoidal reinforcing bar group of gradual change; 7, isometric reinforcing bar group.
The specific embodiment
Further a kind of blower fan spread footing lower rebar structure of land four blade profiles is described according to drawings and embodiments.
As Fig. 1, 2, 3, the blower fan spread footing lower rebar structure of shown a kind of land four blade profiles, comprise four leaf reinforcement frames, four described leaf reinforcement frames are to be joined end to end by 4 trapezoidal single leaves 1 around four leaf reinforcement frame central point, the rectangle reinforcing bar group 4 consisting of reinforcing bar vertical with trapezoidal single leaf 1 upper base and that evenly arrange between the upper base of described symmetrical trapezoidal single leaf 1 connects, the inside of described trapezoidal single leaf 1 is provided with the Eight characters reinforcing bar group 5 with the parallel equally distributed composition that loses no time of trapezoidal single leaf 1 left and right waist, the head of described Eight characters reinforcing bar group 5 connects with the upper base of trapezoidal single leaf 1, Eight characters reinforcing bar group 5 afterbodys of the trapezoidal single leaf of the other end that the afterbody of described Eight characters reinforcing bar group 5 is symmetrical with trapezoidal single leaf 1 connect by reinforcing bar, the inside of described trapezoidal single leaf 1 is also provided with trapezoidal single leaf 1 upper base and goes to the bottom and parallels the trapezoidal reinforcing bar group 6 of gradual change of the reinforcing bar composition of evenly arranging.
The rectangle reinforcing bar group 4 connecting between symmetrical trapezoidal single leaf 1 is evenly to be arranged and form by the reinforcing bar of 9 Φ 28mm;
Eight characters reinforcing bar group 5 be by monolateral be the reinforcing bar of 7 Φ 28mm, and with parallel being uniformly distributed of waist of trapezoidal single leaf 1;
The trapezoidal reinforcing bar group 6 of gradual change in each trapezoidal single leaf 1 is that the reinforcing bar by 23 Φ 16mm is parallel to each other and evenly arranges;
In the above-described embodiment, for the stability of four leaf reinforcement frames is more increased, in Fig. 1, Fig. 2 Fig. 3, can find out the square reinforcing bar group 2 that is respectively equipped with the equally distributed reinforcing bar composition that is parallel to each other in four leaf reinforcement frames, the center of described square reinforcing bar group 2 and the centres of four leaf reinforcement frames, and the diagonal of described square reinforcing bar group 2 is vertical with the base of trapezoidal single leaf 1, each limit of square reinforcing bar group 2 is tangent with the intersection point that trapezoidal single leaf 1 head and the tail are connected.
In the above-described embodiment, for the switching performance between the Eight characters reinforcing bar group 5 in trapezoidal single leaf 1 better, and between can form an integral body, in Eight characters reinforcing bar group 5, between equally distributed reinforcing bar, by isometric reinforcing bar group 7, connect as shown in figures 1 and 3; Isometric reinforcing bar group 7 is evenly arranged in splayed reinforcing bar group 5 and is formed by 23 diameter of phi 16mm.
In the above-described embodiment, the edge of trapezoidal single leaf 1 is provided with the four limb muscle groups 3 vertical with trapezoidal single leaf, four described limb muscle groups 3 are by the cross reinforcement parallel with trapezoidal single leaf 1 and the net structure that forms with longitudinal bar that cross reinforcement intersects vertically, longitudinal bar in four limb muscle groups 3 equates with the number of steel bars in the trapezoidal reinforcing bar group 6 of gradual change, and corresponding connection mutually, the diameter of phi 16mm of the reinforcing bar in four limb muscle groups 6.
In the above-described embodiment, for the stressed more balance of overall structure, manufacture more simply, trapezoidal single leaf 1 shape is isosceles trapezoid as shown in Figure 1.
In the above-described embodiments, the connection between all reinforcing bars connects by modes such as welding or buttings.
In sum, the utility model provides a kind of blower fan spread footing lower rebar structure of land four blade profiles, make full use of the three-dimensional-structure of four blade profiles, bring into 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 whole force structure with the reinforcing bar matching, reinforcement foundation is arranged by four leaf builds, connect into the as a whole upper load structure of bearing with discharge ring, four blade profile integral reinforced concrete foundation structures, stressed clear and definite, comparable circular foundation concrete square amount saves 40%.Steel save 20%, shortened the integral construction duration simultaneously, reduced whole investment, further optimized the reasonability that land wind electric field blower foundation cost design effectively improves structure design arrangement of reinforcement, it has safe, basic cost reduces, and can be adapted to the land wind energy turbine set four leaf spread footings that bearing capacity of foundation soil is greater than 250MPa.
More than exemplifying is only to illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, within the every and same or analogous design of the utility model all belongs to protection domain of the present utility model.
The parts that the present embodiment does not describe in detail and structure belong to well-known components and common structure or the conventional means of the industry, here not narration one by one.
Claims (7)
1. the blower fan spread footing lower rebar structure of land four blade profiles, it is characterized in that, comprise four leaf reinforcement frames, four described leaf reinforcement frames are to be joined end to end by 4 trapezoidal single leaves around four leaf reinforcement frame central point, the rectangle reinforcing bar group consisting of reinforcing bar vertical with trapezoidal single leaf upper base and that evenly arrange between the upper base of described symmetrical trapezoidal single leaf connects, the inside of described trapezoidal single leaf is provided with the Eight characters reinforcing bar group of equally distributed lose no time composition parallel with trapezoidal single leaf left and right waist, the head of described Eight characters reinforcing bar group connects with the upper base of trapezoidal single leaf, the Eight characters reinforcing bar group afterbody of the trapezoidal single leaf of the other end that the afterbody of described Eight characters reinforcing bar group is symmetrical with trapezoidal single leaf connects by reinforcing bar, the inside of described trapezoidal single leaf is also provided with trapezoidal single leaf upper base and goes to the bottom and parallels the trapezoidal reinforcing bar group of gradual change of the reinforcing bar composition of evenly arranging.
2. the blower fan spread footing lower rebar structure of a kind of land four blade profiles according to claim 1, it is characterized in that, in four described leaf reinforcement frames, be respectively equipped with the square reinforcing bar group that the equally distributed reinforcing bar that is parallel to each other forms, described square reinforcing bar Zu center and the centres of four leaf reinforcement frames, and the diagonal of described square reinforcing bar group and the base of trapezoidal single leaf vertical.
3. the blower fan spread footing lower rebar structure of a kind of land four blade profiles according to claim 2, is characterized in that, each limit of described square reinforcing bar group is tangent with the intersection point that trapezoidal single leaf is connected from beginning to end.
4. the blower fan spread footing lower rebar structure of a kind of land four blade profiles according to claim 1, is characterized in that, in described Eight characters reinforcing bar group, between equally distributed reinforcing bar, by isometric reinforcing bar group, connects.
5. the blower fan spread footing lower rebar 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 longitudinal bar that cross reinforcement intersects vertically.
6. the blower fan spread footing lower rebar structure of a kind of land four blade profiles according to claim 6, is characterized in that, the longitudinal bar in four described limb muscle groups equates with the number of steel bars in the trapezoidal reinforcing bar group of gradual change, and corresponding connection mutually.
7. according to the blower fan spread footing lower rebar structure of any land four blade profiles described in claim 1 to 6, it is characterized in that, the shape of described trapezoidal single leaf is isosceles trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239696.9U CN203846525U (en) | 2014-05-12 | 2014-05-12 | Lower rebar structure of onshore four-blade type spread foundation of fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239696.9U CN203846525U (en) | 2014-05-12 | 2014-05-12 | Lower rebar structure of onshore four-blade type spread foundation of fan |
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|---|---|
| CN203846525U true CN203846525U (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420239696.9U Withdrawn - After Issue CN203846525U (en) | 2014-05-12 | 2014-05-12 | Lower rebar structure of onshore four-blade type spread foundation of fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967044A (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 lower portion rebar structure of draught fan spread foundation |
-
2014
- 2014-05-12 CN CN201420239696.9U patent/CN203846525U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967044A (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 lower portion rebar structure of draught fan spread foundation |
| CN103967044B (en) * | 2014-05-12 | 2015-12-09 | 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 lower rebar structure of land four blade profiles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140924 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |