CN201598648U - Shelving support for foundation ring of air blower at coastal shoal - Google Patents
Shelving support for foundation ring of air blower at coastal shoal Download PDFInfo
- Publication number
- CN201598648U CN201598648U CN2010201012380U CN201020101238U CN201598648U CN 201598648 U CN201598648 U CN 201598648U CN 2010201012380 U CN2010201012380 U CN 2010201012380U CN 201020101238 U CN201020101238 U CN 201020101238U CN 201598648 U CN201598648 U CN 201598648U
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- foundation ring
- support
- discharge ring
- air blower
- ring
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Abstract
The utility model relates to a shelving support for a foundation ring of an air blower at the coastal shoal. The shelving support comprises three supporting uprights and an upper triangular bracket, wherein the lower ends of the supporting uprights are fixedly arranged at the inner side of the upper end surface of a pile pipe; the central points of the three supporting uprights form a regular triangle; the upper ends of the supporting uprights are provided with transition plates; the three vertexes of the upper triangular bracket are respectively fixed on the three transition plates; supporting plates are arranged at the inner sides of the three vertexes of the upper triangular bracket and are fixedly arranged on the upper triangular bracket; and the centers of the supporting plates are the centers of adjusting bolts. The utility model provides the shelving support for the foundation ring of the air blower at the coastal shoal, which can effectively avoid reinforcement corrosion in construction and ensure the quality of the foundation ring of the whole air blower.
Description
Technical field
The utility model belongs to blower foundation ring field, and especially a kind of wind-powered electricity generation discharge ring is shelved support.
Background technology
The blower foundation ring is as base plate, it is the crucial link between body of the tower and basis, it also is basis cast part of work that discharge ring is installed, in the installation flange face level levelling degree and the high control of top mark are had relatively high expectations, its installation quality is directly connected to the installation quality and the security of operation of whole typhoon machine.
State electricity North China designing institute of power engineering Co., Ltd is according to coastal beach soil property, wind electric field blower foundation adopts pile foundation form (see figure 1), after basis piling is finished, the discharge ring basis adopts the second pouring mode to finalize the design by former design, regulating location, bolt center according to discharge ring when being basic once-cast arranges embedded iron in advance and tentatively fixes the adjusting bolt in embedded iron upper surface center, discharge ring is penetrated adjusting bolt and preliminary fixing (bolt band up-down adjustment nut), thereby realize the adjustment of discharge ring flange face levelness by regulating bolt and nut, after radiation anchor rib in basis is arranged and is finished to the absolute altitude of discharge ring, levelness is rechecked, carry out discharge ring basis secondary after qualified again and build work, see that Fig. 2 discharge ring shelves foundation drawing.It also is very common mode that discharge ring basis secondary is built, and removing in addition, discharge ring is shelved on the shaped steel supporting leg or steel buttress that can regulate discharge ring flange face levelness when first location usually.
In coastal beach area blower fan is installed if desired, then in the work progress of the discharge ring of blower fan, basic bonding surface forms corrosion to reinforcing bar to second pouring because of existing up and down probably, influences the quality of whole blower fan discharge ring.
Summary of the invention
In order to overcome the deficiency that existing blower foundation ring may cause the quality of reinforcement corrosion, the whole blower fan discharge ring of influence when the construction of coastal beach area, the utility model provides a kind of reinforcement corrosion can effectively avoid constructing the time, guarantee that the coastal beach blower foundation ring of the quality of whole blower fan discharge ring shelves support.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of coastal beach blower foundation ring is shelved support, comprise three support posts and last tripod, the lower end of described support post is fixedly mounted on the inboard of the upper surface of a pipe, the central point of described three support posts forms equilateral triangle, rebound is installed in the upper end of described support post, described three summits of going up tripod are separately fixed on three rebounds, the inboard, three summits of tripod is provided with gripper shoe on described, described gripper shoe is fixedly mounted on the tripod, and the center of described gripper shoe is for adjusting in the bolt.
Further, be provided with reinforcing rib between the described adjacent support post.
The beneficial effects of the utility model mainly show: the quality of reinforcement corrosion in the time of can effectively avoiding constructing, the whole blower fan discharge ring of assurance, practical.
Description of drawings
Fig. 1 be existing discharge ring basis pile foundation the layout schematic diagram.
Fig. 2 is the schematic diagram that the discharge ring of second pouring moulding is shelved the basis.
Fig. 3 is the structural representation that coastal beach blower foundation ring of the present utility model is shelved support.
Fig. 4 is the layout schematic diagram that coastal beach blower foundation ring is shelved support.
Fig. 5 is the layout enlarged diagram of a pile pipe.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 3～Fig. 5, a kind of coastal beach blower foundation ring is shelved support, comprise three support posts 1 and last tripod 2, the lower end of described support post 1 is fixedly mounted on the inboard of the upper surface of stake pipe 3, the central point of described three support posts 1 forms equilateral triangle, rebound 4 is installed in the upper end of described support post 1, described three summits of going up tripod 2 are separately fixed on three rebounds 4, the inboard, three summits of tripod 2 is provided with gripper shoe 5 on described, described gripper shoe 5 is fixedly mounted on the tripod 2, and the center of described gripper shoe 5 is for adjusting bolt center 6.
Be provided with reinforcing rib 7 between the described adjacent support post 1, described reinforcing rib 7 has two, three even many, can interlaced arrangement, also can be arranged in parallel.
Adjust bolt and be positioned on the described adjustment bolt center 6, described adjustment bolt is installed on the described discharge ring.
Engineering whole district hypsography low-lying, most of blower fan is positioned on the beach of the outer vegetation growth of native sea wall, in the fish pond of small part between native sea wall and permanent sea wall highway, reconnoitre through prospective design department, surface water is not had corrosivity to concrete structure, to reinforcing bar tool in the concrete structure medium～severe corrosive, steel work is had moderate corrosion; Underground water is to concrete structure corrosivity such as sign an undertaking a little less than the crystal class sulfate type, in the reinforcing bar tool in the concrete structure～severe corrosive, to steel work tool moderate corrosion.Add anticorrisive agent in the concrete construction, basic bonding surface forms corrosion to reinforcing bar but this job practices of basic second pouring is probably because of existing up and down.How effectively avoiding this problem to guarantee the discharge ring installation quality simultaneously, is the problem that project need solve at that time in a hurry.Whether the discharge ring basis can take the disposal pouring molding mode to avoid this problem, discharge ring level levelling degree and shelve the control of absolute altitude, the selection of shelving stress point also is a series of problems that change in design need be considered.With the 750KW unit is that example is done an introduction.
(1) 750KW unit discharge ring appearance and size: 5.8 * 3.6m, weight 11500kg, the discharge ring basis is made the one-time cast-forming form into from second pouring shown in Figure 2, just must solve discharge ring and support, and guarantees the adjustable of its flange face absolute altitude and levelness simultaneously.The scene is reconnoitred, blower foundation piling plan such as Fig. 1, bearing capacity of single pile characteristic value 1300KN wherein utilizes the pile tube stake to bear responsibility to carry discharge ring weight obviously to meet the requirements the size φ 4800mm of 6 φ 600PHC of inner ring pile center among the figure.From the discharge ring drawing, find discharge ring and regulate bolt center φ 3256mm, adjust bolt center and inner ring stake tube hub deviation 772mm, see Fig. 4,5.By analysis, select triangle that 1#, 3#, 5# stake top be linked to be, design and produce special stand and discharge ring is adjusted the bolt center be mapped, utilize the purpose of inner ring foundation pile top as stress point thereby reach with a stake machine stress point as stressed fulcrum.
(2) special-purpose supporting frame form: supporting bracket couples together lower supporting rod steel pipe and last tripod by the middle transition plate as seen from Figure 5, shelves discharge ring on the last tripod frame and adjusts the bolt gripper shoe, regulates the requirement of discharge ring levelness thereby reach.
(3) bracing frame height: require to determine this size, i.e. 1850～1900mm among Fig. 5 according to each pipe end face absolute altitude and discharge ring design elevation.
(4) the bracing frame main member is selected and is calculated:
Bracing frame main member material is mainly selected the existing and common material in market in building site.
1) support post steel pipe primary election φ 127 * 5mm looks into sectional area A:19.16cm
2The heavy 11.5t of discharge ring, the stressed 3000Kg that gets of every fulcrum.
Steel pipe stability is checked:
λ＝4×1.85×2/0.127＝116.53
Look into reduction coefficient φ=0.485,
σ=F/ φ * A=3000/0.485 * 19.16=322.8kg/m
2＜[σ]=1600kg/cm
2Using specification to do column as the steel pipe of φ 127 * 5mm meets the requirements.
2) go up A-frame by 18
#The channel-section steel welding combines.
The channel-section steel strength check:
Table look-up 18
#Channel-section steel W=141cm
3
σ＝M/W＝1500×149.4/21×41＝794.7kg/cm
2＜[σ]＝1600kg/cm
2
Use 18
#Channel-section steel is done A-frame intensity and is met the demands.
In the present embodiment, by increasing the design that discharge ring is shelved support, make the discharge ring basis build and be embodied as moulding by casting 1 time from original second pouring, can reach and reliably shelve and adjustable integral basis plinth ring flange face levelness, successfully avoid because there is the puzzlement of the etching problem that bonding surface may bring in second pouring.Increase the discharge ring support Design, all be able to successful Application at 81 750KW unit blower fans and 93 1500KW unit blower foundation cyclic group plinth processes of building, the a series of problems that solved therefore problem and may bring, as can't build on the discharge ring basis on schedule, the subsequent installation progress can't be guaranteed.
Claims (2)
1. a coastal beach blower foundation ring is shelved support, it is characterized in that: described blower foundation ring is shelved support and is comprised three support posts and last tripod, the lower end of described support post is fixedly mounted on the inboard of the upper surface of a pipe, the central point of described three support posts forms equilateral triangle, rebound is installed in the upper end of described support post, described three summits of going up tripod are separately fixed on three rebounds, the inboard, three summits of tripod is provided with gripper shoe on described, described gripper shoe is fixedly mounted on the tripod, and the center of described gripper shoe is for adjusting the bolt center.
2. coastal beach blower foundation ring as claimed in claim 1 is shelved support, it is characterized in that: be provided with reinforcing rib between the adjacent support post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201012380U CN201598648U (en) | 2010-01-21 | 2010-01-21 | Shelving support for foundation ring of air blower at coastal shoal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201012380U CN201598648U (en) | 2010-01-21 | 2010-01-21 | Shelving support for foundation ring of air blower at coastal shoal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201598648U true CN201598648U (en) | 2010-10-06 |
Family
ID=42809698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201012380U Expired - Lifetime CN201598648U (en) | 2010-01-21 | 2010-01-21 | Shelving support for foundation ring of air blower at coastal shoal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201598648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758446A (en) * | 2012-07-30 | 2012-10-31 | 江苏金风风电设备制造有限公司 | Semi-submersible type offshore floating wind turbine foundation |
-
2010
- 2010-01-21 CN CN2010201012380U patent/CN201598648U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758446A (en) * | 2012-07-30 | 2012-10-31 | 江苏金风风电设备制造有限公司 | Semi-submersible type offshore floating wind turbine foundation |
| CN102758446B (en) * | 2012-07-30 | 2015-03-18 | 江苏金风科技有限公司 | Semi-submersible type offshore floating wind turbine foundation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA ENERGY CONSTRUCTION GROUP ZHEJIANG THERMAL P Free format text: FORMER NAME: ZHEJIANG THERMAL POWER CONSTRUCTION CO. |
|
| CP03 | Change of name, title or address |
Address after: Hangzhou City, Zhejiang Province, 310020 Qingchun Road No. 77 Patentee after: Chinese energy construction group Zhejiang construction of fire and electricity Co., Ltd Address before: Hangzhou City, Zhejiang Province, 310016 Qingchun Road No. 77 Patentee before: Zhejiang Thermal Power Construction Co. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101006 |
|
| CX01 | Expiry of patent term |