CN206706817U - A kind of hollow round table gravity type flexibility blower foundation - Google Patents
A kind of hollow round table gravity type flexibility blower foundation Download PDFInfo
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- CN206706817U CN206706817U CN201720536838.1U CN201720536838U CN206706817U CN 206706817 U CN206706817 U CN 206706817U CN 201720536838 U CN201720536838 U CN 201720536838U CN 206706817 U CN206706817 U CN 206706817U
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- ring
- round table
- phc
- hollow round
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Abstract
The utility model discloses a kind of hollow round table gravity type flexibility blower foundation, including bottom and top two parts, bottom includes several inner rings PHC pile sinking and outer ring PHC pile sinking, and its top is respectively equipped with the first elastic connection pad and the second elastic connection pad；Top includes hollow round table main body and the base plate being connected with its top, from bottom to top diameter tapers into hollow round table main body, side sets several PHC core stakes covered with flexible dielectric layer, the inner vertical of hollow round table main body, and it connects one to one with inner ring PHC pile sinking.The utility model is by using hollow round table structure; greatly save the usage amount of reinforcing bar and concrete; hollow part backfill construction dregs; so that a part of gravity on basis comes from dregs weight; while ensureing stability of foundation; can effective environmental protection, and up big and down small frustum cone structure can be by the stability that cover the further increase structure of pressure on ground.
Description
Technical field
It the utility model is related to a kind of hollow round table gravity type flexibility blower foundation.Belong to wind driven generator base technology neck
Domain.
Background technology
Gravity type wind driven generator base is a kind of basic base form, the soil layer and mix that it is covered by surface of base
Solidifying soil is conducted oneself with dignity to resist caused tilting moment under extreme wind load case, with mechanical model is simple, structural integrity is good, buries
It is deep it is shallower, to the applied widely of foundation soil, the advantages that construction technology is ripe, short construction period, be a kind of main land wind
Electric type of foundation.According to investigations, the widely used base form of domestic built wind power plant engineering is gravity type foundation.In recent years, state
Interior Wind Power Generation Industry, which is constantly in, increases situation rapidly, with the fast development of wind energy industry, gravity type foundation it is widely used
So that its drawback is more and more prominent, appearance basis entirety is pulled out and anchor bar is broken the accident for causing blower fan to fall tower and also had frequently
Occur, other shortcomings that its structure type is exposed mainly have：
1st, reinforcing bar usage amount is larger, and reinforcing bar cloth muscle process workload is big, the connection of foundation ring be also by bar connecting,
Under Cyclic Load, connecting portion easily produces crack or fatigue fracture occurs, while concrete amount is big, at least up to 250m
³；
2nd, pouring construction belongs to mass concrete construction, and construction process requirement is high, due to the thermogenetic temperature of early hydration
The reasons such as degree stress easily make base concrete produce crack, reduce the integral rigidity on basis, influence the reliability on basis；
3rd, basic floor space is larger, and foundation dredging produces substantial amounts of barren rock slag, due to reasons such as mountain area transport inconveniences
General processing method pollutes to discard nearby to environment；
4th, basic rigidity is big, and bottom is low, it is necessary to use more reinforcing bar and concrete by larger Moment, reliability
Basis is reinforced, to ensure the reliability on basis, construction cost height；
5th, basis in the softer area of shallow-layer geology in use, the area such as coastal or coastal waters, ground volume and again
Measure excessive, be easy to settle in soil, base water Pingdu is changed, influence the operation of wind power equipment.
The content of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of hollow round table gravity type is flexible
Blower foundation.
To achieve the above object, the utility model uses following technical proposals：
A kind of hollow round table gravity type flexibility blower foundation, including bottom and top two parts, the bottom include some
Individual inner ring PHC pile sinking and outer ring PHC pile sinking, its top are respectively equipped with the first elastic connection pad and the second elastic connection pad；It is described
Top includes hollow round table main body and the base plate being connected with its top, and from bottom to top diameter gradually becomes hollow round table main body
Small, side sets several PHC core stakes covered with flexible dielectric layer, the inner vertical of hollow round table main body, and it sinks with inner ring PHC
Stake is connected one to one, and the top of PHC core stakes is connected with base plate, the bottom bottom surface with hollow round table main body and the first bullet respectively
Property connection gasket connection；Also, outer ring PHC pile sinking is connected by the second elastic connection pad with base plate.
As one of preferable technical scheme, the hollow round table main body is hollow steel bar concrete structure, and it includes side
The side tendon that the vertical cloth muscle in face is formed, and the bottom surface tendon that bottom surface transverse direction cloth muscle and bottom surface longitudinal direction cloth muscle are formed, it is preceding
Person is connected with base plate, and the latter is connected with the bottom of the first elastic connection pad, the second elastic connection pad and PHC core stakes；Described
Side tendon and bottom surface tendon are circumferentially distributed.
As one of further preferred technical scheme, the main body of the first elastic connection pad or the second elastic connection pad
Part is elastomer, is equipped with the first steel skeleton and the second steel skeleton in each elastomer, they are respectively from the elastomer
Top and bottom are stretched out；The elastomer is connected with bottom surface tendon, and the first steel skeleton connects with the stake of PHC cores and base plate respectively
Connect, the second steel skeleton is respectively connecting to inner ring PHC pile sinking and outer ring PHC pile sinking.
The first cement is provided with as one of preferable technical scheme, between the hollow round table main body and flexible dielectric layer to protect
Sheath.
As one of preferable technical scheme, hollow knot is formed between the inside of the hollow round table main body and PHC core stakes
Structure, the hollow structure are interior filled with backfill dregs layer.
As one of preferable technical scheme, the base plate includes the first retainer ring, the basis of concentric from inside to outside
Ring and the second retainer ring, also, between the first retainer ring and foundation ring, between foundation ring and the second retainer ring, if being respectively welded
Dry the first connection ring and the second connection ring, the position of the latter are higher than the former.
As one of further preferred technical scheme, the position of outer ring PHC pile sinking and the second connection ring corresponds, and
Connected by the second elastic connection pad.
As one of further preferred technical scheme, the flexible dielectric layer is by the Tire ＆ Tube of junked tire and one
Secondary property polybag compression forms, 0.05~0.125 times of ring based on its thickness.
As one of further preferred technical scheme, the both ends of the PHC cores stake are respectively equipped with the first dowel and
Two dowels, the external diameter of the PHC cores stake is identical with the internal diameter of the first connection ring, and the first dowel and the first connection ring pass through
One bolt connection, the welding corresponding with bottom surface tendon of the second dowel.
As one of further preferred technical scheme, second connection ring is connected with side tendon by the second bolt
Connect.
As one of further preferred technical scheme, 4 the first connection rings are provided between the first retainer ring and foundation ring,
12 the second connection rings are provided between foundation ring and the second retainer ring.
As one of preferable technical scheme, the foundation ring is connected with blower fan tower barrel, and its size is held according to blower fan unit
Amount determines that it is identical with existing basic ring structure, and equal cloth hole is provided with the inside of upper surface.
As one of further preferred technical scheme, ring based on the thickness of first retainer ring or the second retainer ring
0.5~0.8 times, height it is identical with the first connection ring or the second connection ring respectively.
As one of further preferred technical scheme, the second retainer ring and the upper surface of the second connection ring and second are solid
Determine outer side covers the second cement protective layer of ring.
The beneficial effects of the utility model：
1st, hollow round table gravity type flexibility blower foundation of the present utility model, by using hollow round table structure, is saved significantly
The usage amount of reinforcing bar and concrete, hollow part backfill construction dregs so that basic a part of gravity comes from dregs weight are saved
Amount, while ensureing stability of foundation, can effective environmental protection, and up-small and down-big frustum cone structure can be by ground
Cover pressure further increase structure stability.
2nd, hollow round table gravity type flexibility blower foundation of the present utility model, except hollow round table main body and cement protective layer exist
Outer, base plate, the stake of PHC cores, inner ring PHC pile sinking and outer ring PHC pile sinking, the first elastic connection pad and the second bullet are completed in cast in situs
Property connection gasket can be prefabricated, with the welding of hollow round table main body or bolt connection during installation, infrastructure cost can be reduced, accelerated
The structure construction cycle.
3rd, hollow round table gravity type flexibility blower foundation of the present utility model, by by the first connection ring and the second connection ring
The inner side and outer side of foundation ring is welded to, by traditional foundation ring and the spot welding of reinforcing bar in basis and bolt connection side
Formula, wire bonding connected mode is optimized for, greatly strengthen foundation ring and the bonding strength on basis.It is and this to be designed to base
The stress check calculation of plinth ring is in connection ring, even if the connection of indivedual rings goes wrong, the normal work of other rings can also ensure
Blower foundation general safety reliability service.
4th, hollow round table gravity type flexibility blower foundation of the present utility model, the inner ring PHC set by the bottom of foundation sink
Stake and outer ring PHC pile sinking, the effective anti-settling in basis can be made in weak soil matter area；If Fan Equipment runs into severe weather conditions,
Inner ring PHC pile sinking and outer ring PHC pile sinking are connected with the first elastic connection pad on basis and the second elastic connection pad, are situated between with reference to elasticity
Matter layer can make basis have certain deflection, the flexibility of optimized integration, buffer structure stress, with inner ring PHC pile sinking and outer ring
The connection of PHC pile sinking can also increase the resistance to capsizing of structure, enhancing structure reliability.Flexible dielectric layer can be by junked tire
Tire ＆ Tube and disposable plastic bag compression synthesis, realize twice laid.
Brief description of the drawings
Fig. 1 is the main view profile on the utility model basis；
Disk top view based on Fig. 2；
Wherein, 1 is the second cement protective layer, and 2 be the first connection ring, and 3 be the first dowel, and 4 be PHC core stakes, and 5 be first
Cement protective layer, 6 be bottom surface longitudinal direction cloth muscle, and 7 be the second elastic connection pad, and 8 be outer ring PHC pile sinking, and ring based on 9,10 be
One retainer ring, 11 be side tendon, and 12 be backfill dregs layer, and 13 be flexible dielectric layer, and 14 be the vertical cloth muscle in side, and 15 be bottom
Face transverse direction cloth muscle, 16 be the second connection ring, and 17 be the second dowel, and 18 be the first elastic connection pad, and 19 be inner ring PHC pile sinking,
20 be the second retainer ring.
Embodiment
The utility model is further elaborated with reference to the accompanying drawings and examples, it should explanation, under state
It is bright merely to explain the utility model, its content is not defined.
The PHC that the utility model is related to represents prestress high intensity concrete, is the prestressed high-
Intensity concrete abbreviation.
Embodiment 1：
A kind of hollow round table gravity type flexibility blower foundation as depicted in figs. 1 and 2, including bottom and top two parts,
Bottom includes 4 inner ring PHC pile sinking 19 and 12 outer ring PHC pile sinking 8, and its top is respectively equipped with the first elastic connection pad 18 and the
Two elastic connection pads 7；Top include hollow round table main body and with its base plate for being connected of top, hollow round table main body by lower and
Upper diameter tapers into, and side sets 4 PHC cores stakes 4 covered with flexible dielectric layer 13, the inner vertical of hollow round table main body,
It is connected one to one with inner ring PHC pile sinking 19, and the top of PHC cores stake 4 is connected with base plate, bottom respectively with hollow round table master
The bottom surface of body and the first elastic connection pad 18 connect；Also, outer ring PHC pile sinking 8 is connected by the second elastic connection pad 7 with base plate
Connect.
Hollow round table main body is hollow steel bar concrete structure, and it includes the side tendon that the vertical cloth muscle 14 in side is formed
11, and the bottom surface tendon that bottom surface transverse direction cloth muscle 15 and bottom surface longitudinal direction cloth muscle 6 are formed, the former is connected with base plate, Hou Zheyu
First elastic connection pad 18, the second elastic connection pad 7 connect with the bottom of PHC cores stake 4；Side tendon 11 and bottom surface tendon
It is circumferentially distributed.
The main part of first elastic connection pad 18 or the second elastic connection pad 7 is elastomer, is all provided with each elastomer
There are the first steel skeleton and the second steel skeleton, they stretch out from the top and bottom of the elastomer respectively；Elastomer and bottom surface steel
Muscle beam is connected, and the first steel skeleton is connected with PHC cores stake 4 and base plate respectively, and the second steel skeleton is respectively connecting to inner ring PHC pile sinking
19 and outer ring PHC pile sinking 8.
The first cement protective layer 5 is provided between hollow round table main body and flexible dielectric layer 13.
Hollow structure is formed between the inside of hollow round table main body and PHC cores stake 4, filled with backfill slag in the hollow structure
Soil layer 12.
Base plate includes the first retainer ring 10, the retainer ring 20 of foundation ring 9 and second of concentric, also, from inside to outside
Between one retainer ring 10 and foundation ring 9, between the retainer ring 20 of foundation ring 9 and second, 4 the first connection rings 2 and 12 are respectively welded
Individual second connection ring 16, the position of the latter are higher than the former.
The position of outer ring PHC pile sinking 8 and the second connection ring 16 corresponds, and is connected by the second elastic connection pad 7.
Flexible dielectric layer 13 is formed by Tire ＆ Tube and the disposable plastic bag compression of junked tire, based on its thickness
0.05 times of ring.
The both ends of PHC cores stake 4 are respectively equipped with the first dowel 3 and the second dowel 17, the external diameter and first of PHC cores stake 4
The internal diameter of connection ring 2 is identical, and the first dowel 3 and the first connection ring 2 pass through the first bolt connection, the second dowel 17 and bottom surface
Tendon is corresponding to be welded.
Second connection ring 16 passes through the second bolt connection with side tendon 11.
4 the first connection rings 2 are provided between first retainer ring 10 and foundation ring 9, between the retainer ring 20 of foundation ring 9 and second
Provided with 12 the second connection rings 16.
Foundation ring 9 is connected with blower fan tower barrel, and its size determines according to blower fan single-machine capacity, itself and existing basic ring structure
It is identical, it is provided with equal cloth hole on the inside of upper surface.
0.5 times of ring 9 based on the thickness of first retainer ring 10 or the second retainer ring 20, height respectively with the first connection ring
2 or second connection ring 16 it is identical.
The cement of outer side covers second of the upper surface and the second retainer ring 20 of second retainer ring 20 and the second connection ring 16
Protective layer 1.
A kind of construction method of above-mentioned flexible blower foundation, is comprised the following steps that：
（1）Prepare the stake of PHC cores, inner ring PHC pile sinking, outer ring PHC pile sinking, base plate and elastic connection pad；
（2）Excavation pit, foundation ditch bottom surface is handled, inner ring PHC pile sinking and outer ring PHC pile sinking are driven into base respectively
Cheat in specified location stratum, and the first elastic connection pad and the second elastic connection pad, backfill are respectively welded at the top of them
Layer covers the main part of the first elastic connection pad and the second elastic connection pad, reserves their top, and carry out at ground
Reason；
（3）Welded hollow round platform main body, and complete pouring for its bottom surface and side；
（4）PHC core stakes are inserted vertically into the inside of hollow round table main body, its bottom bottom surface with hollow round table main body respectively
Welded with the first elastic connection pad, and this position is poured；
（5）In the side bonds flexible dielectric layer of hollow round table main body, the hollow knot formed to hollow round table body interior
Structure and outside foundation ditch are successively backfilled simultaneously, and tamp the upper surface that completion is poured to hollow round table main body；
（6）Installation foundation disk：Base plate is connected with the top of hollow round table main body according to correspondence position so that PHC cores
The top and outer ring PHC pile sinking of stake are connected with base plate respectively, then pour the remaining position of hollow round table main body, are consolidated and are
One, complete integral construction.
Wherein, step（1）In PHC cores stake 4 and inner ring PHC pile sinking 19, outer ring PHC pile sinking 8 be pre-production, Huo Zhezhi
The prestressed high-strength concrete pile commonly used in purchase engineering is connect to be processed and obtain.
Step（3）Specific method be：Bottom surface and the side framework of steel reinforcement arrangement of hollow round table main body are completed in welding, and are divided
Not Bu Zhi bottom surface tendon and side tendon 11, the former is reserved to be connected with the bottom of PHC cores stake 4, the first elastic connection pad 18
Tendon, the reserved tendon being connected with the second connection ring 16 of the latter；Then pouring for bottom surface is completed；Finally installed in side
Moulding dividing plate is poured, side is poured, the extreme higher position of dividing plate connects apart from the upper surface of hollow round table main body reserved second
Connect the height of ring 16, alignment when being connected so as to side tendon 11 with the second connection ring 16 regulation, remove after cement consolidation every
Plate.
Step（6）Specific method be：The position adjustment of base plate to its connection ring 16 of the first connection ring 2 and second is divided
It is not aligned with the top of PHC cores stake 4 and side tendon 11, moves down base plate, until the top of PHC cores stake 4 is connected with first
The extreme higher position docking of the inner side of ring 2 supports base plate, the first connection ring 2 of installation, the second connection ring 16 respectively with PHC cores stake 4,
Nut at side tendon 11 is simultaneously tightened, and then pours the remaining position of hollow round table main body, and consolidation is integrated, and is completed overall
After construction, blower fan tower barrel can be installed by foundation ring.
Embodiment 2：
Flexible dielectric layer 13 is formed by Tire ＆ Tube and the disposable plastic bag compression of junked tire, based on its thickness
0.125 times of ring.
0.8 times of ring 9 based on the thickness of first retainer ring 10 or the second retainer ring 20, height respectively with the first connection ring
2 or second connection ring 16 it is identical.
Remaining is the same as embodiment 1.
Embodiment 3：
Flexible dielectric layer 13 is formed by Tire ＆ Tube and the disposable plastic bag compression of junked tire, based on its thickness
0.1 times of ring.
0.6 times of ring 9 based on the thickness of first retainer ring 10 or the second retainer ring 20, height respectively with the first connection ring
2 or second connection ring 16 it is identical.
Remaining is the same as embodiment 1.
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, on the basis of the technical solution of the utility model, those skilled in the art need not pay creation
Property the various modifications that can make of work or deformation still within the scope of protection of the utility model.
Claims (10)
- A kind of 1. hollow round table gravity type flexibility blower foundation, it is characterised in that including bottom and top two parts, the bottom Including several inner rings PHC pile sinking and outer ring PHC pile sinking, its top is respectively equipped with the first elastic connection pad and the second elastic connection Pad；The top include hollow round table main body and with its base plate for being connected of top, hollow round table main body from bottom to top diameter Taper into, side sets several PHC core stakes covered with flexible dielectric layer, the inner vertical of hollow round table main body, its with it is interior Circle PHC pile sinking is connected one to one, and the top of PHC core stakes is connected with base plate, the bottom bottom surface with hollow round table main body respectively Connected with the first elastic connection pad；Also, outer ring PHC pile sinking is connected by the second elastic connection pad with base plate.
- 2. flexible blower foundation according to claim 1, it is characterised in that the hollow round table main body is mixed for hollow steel bar Xtah Crude Clay structure, it includes the side tendon that the vertical cloth muscle in side is formed, and bottom surface transverse direction cloth muscle and bottom surface longitudinal direction cloth muscle structure Into bottom surface tendon, the former is connected with base plate, the latter and the first elastic connection pad, the second elastic connection pad and PHC core stakes Connection；Described side tendon and bottom surface tendon is circumferentially distributed.
- 3. flexible blower foundation according to claim 2, it is characterised in that the first elastic connection pad or the second elasticity The main part of connection gasket is elastomer, and the first steel skeleton and the second steel skeleton are equipped with each elastomer, they respectively from The top and bottom of the elastomer are stretched out；The elastomer is connected with bottom surface tendon, the first steel skeleton respectively with PHC core stakes Connected with base plate, the second steel skeleton is respectively connecting to inner ring PHC pile sinking and outer ring PHC pile sinking.
- 4. flexible blower foundation according to claim 1, it is characterised in that the hollow round table main body and flexible dielectric layer Between be provided with the first cement protective layer.
- 5. flexible blower foundation according to claim 1, it is characterised in that the inside of the hollow round table main body and PHC Hollow structure is formed between core stake, filled with backfill dregs layer in the hollow structure.
- 6. flexible blower foundation according to claim 1, it is characterised in that the base plate includes concentric from inside to outside The first retainer ring, foundation ring and the second retainer ring, also, between the first retainer ring and foundation ring, foundation ring and second is fixed Between ring, several first connection rings and the second connection ring is respectively welded, the position of the latter is higher than the former.
- 7. flexible blower foundation according to claim 6, it is characterised in that the position of outer ring PHC pile sinking and the second connection ring One-to-one corresponding is put, and is connected by the second elastic connection pad.
- 8. flexible blower foundation according to claim 6, it is characterised in that the both ends of the PHC cores stake are respectively equipped with One dowel and the second dowel, the external diameter of the PHC cores stake is identical with the internal diameter of the first connection ring, the first dowel and first Connection ring passes through the first bolt connection, the welding corresponding with bottom surface tendon of the second dowel；Second connection ring and side steel Muscle beam passes through the second bolt connection.
- 9. flexible blower foundation according to claim 6, it is characterised in that first retainer ring or the second retainer ring 0.5~0.8 times of ring based on thickness, height are identical with the first connection ring or the second connection ring respectively.
- 10. flexible blower foundation according to claim 6, it is characterised in that the second retainer ring is upper with the second connection ring Surface and outer side covers the second cement protective layer of the second retainer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720536838.1U CN206706817U (en) | 2017-05-16 | 2017-05-16 | A kind of hollow round table gravity type flexibility blower foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720536838.1U CN206706817U (en) | 2017-05-16 | 2017-05-16 | A kind of hollow round table gravity type flexibility blower foundation |
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| Publication Number | Publication Date |
|---|---|
| CN206706817U true CN206706817U (en) | 2017-12-05 |
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ID=60464204
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720536838.1U Expired - Fee Related CN206706817U (en) | 2017-05-16 | 2017-05-16 | A kind of hollow round table gravity type flexibility blower foundation |
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| Country | Link |
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| CN (1) | CN206706817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023029A (en) * | 2017-05-16 | 2017-08-08 | 潍坊学院 | A kind of flexible blower foundation of hollow round table gravity type and its construction method |
-
2017
- 2017-05-16 CN CN201720536838.1U patent/CN206706817U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023029A (en) * | 2017-05-16 | 2017-08-08 | 潍坊学院 | A kind of flexible blower foundation of hollow round table gravity type and its construction method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20180516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |