CN102052258A - Safety film - Google Patents
Safety film Download PDFInfo
- Publication number
- CN102052258A CN102052258A CN2009102171884A CN200910217188A CN102052258A CN 102052258 A CN102052258 A CN 102052258A CN 2009102171884 A CN2009102171884 A CN 2009102171884A CN 200910217188 A CN200910217188 A CN 200910217188A CN 102052258 A CN102052258 A CN 102052258A
- Authority
- CN
- China
- Prior art keywords
- rupture disk
- tower tube
- edge
- internal surface
- central part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 20
- 238000005452 bending Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 10
- 241000628997 Flos Species 0.000 claims description 7
- 238000009954 braiding Methods 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- -1 Kev draw Substances 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- Y02E10/722—
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention relates to a tower barrel of a wind power generation device. The tower barrel comprises a wall which extends upwards from a foundation towards a cabin and defines an enclosed space. Moreover, the tower barrel also comprises a safety film which is unfolded across the inside of the tower barrel along the inner surface of the wall; the enclosed space is partitioned into an upper compartment which is positioned above the safety film and a lower compartment which is positioned below the safety film; and the safety film is flexible.
Description
Technical field
The present invention relates to a kind of rupture disk that in the tower tube of wind generating unit, launches and a kind of method of launching rupture disk.
Background technique
The vitals of wind turbine, for example rotor, rotor shaft, transmission device and generator all are arranged in the cabin that is above the ground level.This cabin is about 100 meters tower tube maintenance usually.Yet for more large-scale wind turbine, the height of tower tube can reach 150-200 rice.The tower tube is made of steel or concrete hollow cylindrical shell-like structure usually.Thereby the wall of tower tube defines an inner space, and this inner space is formed into the gateway in cabin.
The maintenance of wind turbine be included in the cabin on the tower tube work and in being usually located at tower tube space, for example be positioned at work on the various electronic equipments of tower tube substrate.Therefore the staff works at the different heights place of tower barrel structure, thereby, may have an accident because of the object that falls, under the worst situation, staff even meeting are injured owing to fall.
Traditionally, in the tower tube, be provided with one or more platforms,, for example two tower tube elements be connected to each other so that the staff can carry out the work at the different heights place in the tower tube.These platforms are solid and are made by for example wood or aluminium.These platforms can also be collected the object that falls from above.Yet, show, be difficult to platform is closely installed and protected the staff not to be subjected to the injury of the smallclothes object that falls along this internal surface thus along the internal surface of tower barrel.In addition, if just in case accident occurs, the staff falls or when when the more eminence of tower tube is worked, this platform is very not suitable from ladder.
Summary of the invention
A purpose of embodiments of the invention provides and a kind ofly is used for tower tube (pylon) wind generating unit, that have rupture disk (safe felt, safety blanket), and a kind of method of launching this rupture disk.
Therefore, in first aspect, the invention provides a kind of tower tube that is used for wind generating unit, this tower tube comprises wall, this wall extends towards the cabin in the upward direction and limits an enclosed space from ground, and wherein this tower tube also comprises rupture disk, and this rupture disk launches across the tower tube is inner along the internal surface of this wall, thereby this enclosed space is divided into last compartment that is positioned at the rupture disk top and the lower compartment that is positioned at the rupture disk below, and wherein this rupture disk is flexible.
Can launch rupture disk at the certain altitude place above the base plate of wind turbine tower tube, not be subjected to injure from the object that the last compartment of tower tube falls with the staff in the lower compartment of protection tower tube.
This tower tube can constitute by steel or concrete hollow cylindrical shell-like structure, perhaps can be grid tower tube.Yet, the type that should be appreciated that the tower tube for the present invention without limits because rupture disk can launch across the tower tube is inner along the internal surface of any tower tube.
Rupture disk can have the shape corresponding to the cross section of the basic horizontal of tower tube, that is to say, rupture disk can be circular substantially under the situation of circular tower tube, and this rupture disk can be square etc. substantially under the situation of quadrilateral tower tube.Yet, should be appreciated that along the edge of rupture disk to have otch.
Be divided into compartment and lower compartment by the enclosed space with the tower tube, this rupture disk can be used as the top of lower compartment, and protects staff in the lower compartment not to be subjected to from the fall injury of the object that gets off of last compartment thus.
For the ease of launching rupture disk along internal surface across tower tube inside, this rupture disk is flexible.In addition, this internal surface can be provided with hook, guide rail or similar structure, so that this rupture disk can be tied on the wall or be tied on the framework of internal surface.
At this, flexibility means that rupture disk can fold and reopen.In addition, this rupture disk can stretch, and when thing hits rupture disk-when object fell from above, this rupture disk can be crooked.
Should be appreciated that owing to launching rupture disk at various height, so can be along internal surface across a plurality of rupture disks of the inner expansion of tower tube.In addition, one or more rupture disks can be combined with one or more conventional platforms of being made by aluminium, wood or other similar material, thereby also make one or more entity platforms can be arranged in tower tube inside.When the different heights place carried out the work in the tower tube, these entity platforms also can be used as working platform.
For rupture disk is launched fully, need the outwards edge of this film of pulling, for example use rubber tape, wire, outer cover (robe), spring or similar structure, but the structure of preferred elastic stretch.
Rupture disk can comprise central part and the edge of extending circumferentially around the central part.The bending hardness at this edge is greater than the bending hardness of central part.
Central part can be made by in the following material one or more: nylon, and plastics, other composite, Kev draw (Kevlar), carbon fiber, steel wire, fishing net, tarpaulin etc.In one embodiment, central part only comprises a layer, and in another embodiment, this central part sandwich structure that one or more materials are made of serving as reasons partially or completely.
The edge can be made and make the bending hardness of its bending hardness greater than central part.This can by select for this edge a kind of have than the material of macrobending hardness realize that perhaps these materials have jointly greater than the bending hardness of central part bending hardness and realize by this edge is made of a variety of materials.In one embodiment, this reaches by the sandwich structure that the edge is configured to different materials.
Should be appreciated that at this bigger bending hardness is meant that the flexibility at edge is lower than central part.By having bigger bending hardness, this edge can more closely be installed along the internal surface of tower barrel, thereby and can also protect the staff not to be subjected to from the top along the fall injury of the smallclothes object that gets off of internal surface.
If the cross section of the tower tube at the position that the size of rupture disk is launched less than it-be called " tower tube cross section " hereinafter then will cause having the gap between tower barrel and the film.On the other hand,, then can cause being difficult to launch fully this rupture disk, spur this rupture disk towards the tower barrel unless have the position of certain distance at edge with this rupture disk if rupture disk is made with the size and dimension of tower tube cross section identical.
Therefore, for the gap between the expansion service that strengthens rupture disk and the edge that reduces tower barrel and rupture disk, provide along this edge but the tie point that departs from this edge certain distance setting is favourable.This distance is known as " skew " hereinafter.
Yet this skew may cause the part between tower barrel and tie point of rupture disk to bend downwards, does not particularly have at the edge-for example between the tie point-by the situation of wire that this rupture disk is connected with the tower barrel or dustcoat support under.
For less deviation being provided and preventing that the edge from bending downwards, can make this edge have the bending hardness bigger than the central part of rupture disk.
The bending hardness at edge can be basic parts from supporting even as big as guaranteeing this edge.Thereby, do not need to support this edge when when the internal surface of tower barrel is installed this rupture disk.
In one embodiment, rupture disk launches along outside direction by the fixed structure inward faces, and this fixed structure acts on this rupture disk at a plurality of positions between central part and the edge.That is to say that in this embodiment, the size at edge is corresponding to this offset distance.In alternate embodiment, this fixed structure can act in part or the position on the two at the position on the edge, on the central part.
This fixed structure can comprise can be by the rope of resiliently deformable elongation.This rope can circumferentially extend around central part.This rope is suitable for outwards spurring the edge of rupture disk, and can comprise for example rubber tape, wire, dustcoat, spring or similar structure.This fixed structure also can comprise along the internal surface of wall or be in hook, guide rail or similar structure on the framework of internal surface.
Because rope can be at the tie point on the rupture disk and along the internal surface of wall or be between hook, guide rail or the similar structure on the framework and pass with passing in and out, this edge can circumferentially extend around at least a portion of this rope.
In one embodiment, rope can remain on this internal surface by a structure that rigidly fixes that is fixed in internal surface.This rigidly fixes structure can comprise hook, guide rail, ring and similar structure.Alternately, similarly rigidly fix structure and can be fixed in a framework, this framework is connected on the internal surface or along the internal surface setting.
This edge can have the stratiform structure of the layer that comprises different materials.One in these layers can comprise foamed material.
Central part can comprise non-braiding sheet material.Alternatively and additionally, central part can comprise braided material.Suitable material can be that nylon, plastics, other composite, Kev draw, carbon fiber, tarpaulin etc.This sheet material can be strengthened by for example steel wire, the structure that is similar to fishing net or other similar structure.
For the ease of the expansion of rupture disk, the shape of this rupture disk can have high initial stability, and promptly the shape of this film is not easy to change.By having high initial stability, each film all can be designed to be suitable for the particular column tube, promptly has corresponding size in tower tube cross section and shape with this particular column tube, thereby is convenient to the expansion of this film.
This edge can end at along the edge that circumferentially centers on this rupture disk.Distance between this edge and this internal surface can be less than 1% of the girth of film.In one embodiment, this distance is below 20 millimeters.
This film can comprise one or more otch along the edge, and described otch forms passage between film and wall.The size of these otch can be designed so that they also cut central part.Even these otch are located such that laying this rupture disk of ladder at the internal surface of tower tube also can launch, this is because the size of otch can be corresponding to the position of ladder corresponding to the position of the size of ladder and otch.The size of otch even can be even as big as when the internal surface of tower tube launches, allowing the people on ladder, to climb at this rupture disk.
Assemble on the film that launches for anti-sealing, oil or other flowing medium, this central part can comprise the floss hole that at least one allows flowing medium to discharge between upper and lower compartment.In addition, described floss hole can reduce the pressure difference between the upper and lower compartment.
In second aspect, the internal surface of wall that the invention provides a kind of tower tube along wind generating unit is across the inner method of launching rupture disk of tower tube, this method may further comprise the steps: the film of a flexibility is provided, and the fixed structure that acts on the position on the film by use makes this film stretch towards this internal surface along outside direction.
This film can comprise central part and the edge that circumferentially extends around this central part, the bending hardness at this edge can be greater than the bending hardness of central part.This method also can comprise by using the position between central part and edge to act on the step that the fixed structure on the film makes this film stretch towards this internal surface along outside direction.
The method that is appreciated that this expansion film can be used with the tower tube that is used for wind generating unit according to above-described first aspect present invention.Thereby the feature of a first aspect of the present invention is applicable to the method for the expansion rupture disk of a second aspect of the present invention.
Description of drawings
With reference now to accompanying drawing, further describe embodiments of the invention, in the accompanying drawings:
How Fig. 1-6 illustrates internal surface along the tower barrel of wind generating unit across the inner different embodiments that launch rupture disk of this tower tube,
Fig. 7 illustrates an embodiment's of rupture disk the details at edge,
How Fig. 8 illustrates along the internal surface of wind turbine wall and launches rupture disk,
Fig. 9 illustrates the part of the rupture disk of seeing from below, and
Figure 10 illustrates the rupture disk of seeing from above.
Embodiment
Fig. 1 illustrates the part of the tower tube that is used for wind generating unit.This tower tube comprises the wall 1 that extends towards the cabin (not shown) in the upward direction from the ground (not shown).This tower barrel 1 defines the space of a sealing.This tower tube also comprises rupture disk 2, and this rupture disk launches across the tower tube is inner along the internal surface 3 of wall 1, and the space that will seal is divided into last compartment 4 that is positioned on this rupture disk 2 and the lower compartment 5 that is positioned under this rupture disk 2 thus.This rupture disk 2 is flexible.
In shown example, fixed structure 8 comprises can be by the rope 9 of resiliently deformable elongation.This rope 9 circumferentially extends around central part 6.
Fixed structure 8 also comprises a plurality of rings 10 that are connected in the bottom side of rupture disk 2.Rope 9 penetrates and passes between the tie point on the rupture disk 2, and described tie point promptly encircles 10 and rigidly fix structure 11, and this rigidly fixes structure 11 and is a plurality of hooks on the internal surface 3 that is fixed in tower barrel 11 in this example.
Because hook 11 is connected on the magnet 12, and this magnet is fixed in the internal surface 3 of tower barrel 1, therefore described hook 11 is fixed in internal surface 3 by magnetic force.
Fig. 2 illustrates an a kind of part of alternate embodiment, and wherein hook 11 is by being welded to connect the internal surface 3 in tower barrel 1.
Fig. 3 illustrates the part of another alternate embodiment, and wherein fixed structure 11 comprises flange.This flange 11 is by being welded to connect the internal surface 3 in tower barrel 1.
How Fig. 4 illustrates internal surface 3 along the tower barrel 1 of wind generating unit across inner the 4th embodiment who launches rupture disk 2 of this tower tube.The rupture disk (not shown) is by using circular iron 12 and a plurality of flat rod 13 that is welded in internal surface to launch.By the rope (not shown) rupture disk (not shown) is stretched along outside direction inward faces 3, this rope can extend by resiliently deformable.This rope circumferentially extends around the central part (not shown), and penetrates and pass between a plurality of tie points on circular iron 12 and the rupture disk.
Fig. 5 illustrates the 5th embodiment, and wherein the frame structure 14 that has a plurality of supporting legs 15 by use makes rupture disk 2 launch across the tower tube is inner along the internal surface (not shown) of the tower barrel (not shown) of wind generating unit.
Although should be appreciated that not shownly, also can in the embodiment of the rupture disk 2 of Fig. 1-4, form otch.
Fig. 6 illustrates the 6th embodiment, and wherein rupture disk 2 is installed by using suspension structures 17.This suspension structures 17 can for example be connected in the main frame at tower tube top or be connected in the entity platform that is positioned on the rupture disk.Can also make attachment security film otherwise.
Fig. 7 illustrates along the details at an embodiment's of the rupture disk 2 of internal surface 3 expansion of tower barrel 1 edge 7.Rope 9 circumferentially extends around central part 6.This rope 9 penetrates and passes between the tie point on the rupture disk 2, and described tie point promptly encircles 10 and be fixed in a plurality of hooks 11 of the internal surface 3 of tower barrel 1.Described hook 11 is by being welded to connect the internal surface 3 in tower barrel 1.
Shown edge 7 has the stratiform structure that comprises different material layer, and wherein one deck is a foamed material 18.This foamed material 18 by for example nylon, plastics, other composite, Kev draw, the sheet material of carbon fiber, tarpaulin etc. centers on.
It is how to launch across the tower tube is inner along the internal surface 3 of wind turbine wall 1 that Fig. 8 illustrates rupture disk 2.In shown embodiment, rupture disk 2 does not launch fully.Rope 9 is in the circumferentially extension on every side of the central part 6 of this rupture disk 2.This rope 9 a plurality of tie points on the rupture disk 2-the be ring 10 of rupture disk 2 bottoms and a plurality of hooks 11 that are fixed in the internal surface 3 of tower barrel 1-between penetrate and pass.
Fig. 9 illustrates the part of the rupture disk of seeing from below 2, and Figure 10 illustrates the rupture disk of seeing from above 2.Rope 9 circumferentially extends around the central part 6 of rupture disk 2.This rope 9 is at ring 10 and be fixed between a plurality of hooks 11 of internal surface 3 of tower barrel 1 and penetrate and pass.
Figure 10 illustrates three floss holes 20.These floss holes 20 can limit or even anti-sealing, oil or other flowing medium on the rupture disk 2 that launches, assemble, this is because these floss holes allow flowing mediums to discharge between upper and lower compartment 4,5.In addition, floss hole 20 can reduce the pressure difference between the upper and lower compartment 4,5.
Claims (16)
1. tower tube that is used for wind generating unit, this tower tube comprises the wall that extends and limit an enclosed space from ground in the upward direction towards the cabin, wherein this tower tube also comprises rupture disk, this rupture disk launches across the tower tube is inner along the internal surface of this wall, thus this enclosed space is divided into last compartment that is positioned at the rupture disk top and the lower compartment that is positioned at the rupture disk below, wherein, this rupture disk is flexible.
2. according to the tower tube of claim 1, it is characterized in that this rupture disk comprises central part and the edge that circumferentially extends around this central part, and wherein the bending hardness at this edge greater than the bending hardness of this central part.
3. according to the tower tube of claim 2, it is characterized in that this edge of bending hardness sufficient to guarantee at this edge is basic parts from supporting.
4. according to the tower tube of claim 2, it is characterized in that this rupture disk stretches towards this internal surface along outside direction by fixed structure, this fixed structure acts on this rupture disk at the position between central part and the edge.
5. according to the tower tube of claim 4, it is characterized in that this fixed structure comprises can be by the rope of resiliently deformable elongation, this rope circumferentially stretches around this central part.
6. according to the tower tube of claim 5, it is characterized in that this edge circumferentially extends around at least a portion of this rope.
7. according to the tower tube of claim 5, it is characterized in that this rope remains on this internal surface by rigidly fixing structure, this rigidly fixes structure and is fixed on this internal surface.
8. according to the tower tube of claim 2, it is characterized in that this edge has stratiform structure, this stratiform structure comprises the layer of different materials.
9. tower tube according to Claim 8 is characterized in that, one of described layer comprises foamed material.
10. according to the tower tube of claim 2, it is characterized in that this central part comprises non-braiding sheet material.
11. the tower tube according to claim 1 is characterized in that the shape of this rupture disk has high initial stability.
12. the tower tube according to claim 2 is characterized in that, this edge ends at one circumferentially around the edge of this rupture disk, and the distance between this edge and this internal surface is less than 1% of the girth of rupture disk.
13. the tower tube according to claim 12 is characterized in that, this distance is below 20 millimeters.
14. the tower tube according to claim 1 is characterized in that, this rupture disk comprises one or more otch along this edge, and described otch forms passage between this rupture disk and this wall.
15. the tower tube according to claim 2 is characterized in that this central part comprises at least one floss hole, discharges between upper and lower compartment to allow flowing medium.
16. the internal surface along the wall of the tower tube that is used for wind generating unit launches the method for rupture disk across tower tube inside, this method may further comprise the steps: a flexible membrane is provided, by using fixed structure that this film is stretched towards this internal surface along outside direction, this fixed structure acts on this film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910217188.4A CN102052258B (en) | 2009-11-02 | 2009-11-02 | Safety film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910217188.4A CN102052258B (en) | 2009-11-02 | 2009-11-02 | Safety film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102052258A true CN102052258A (en) | 2011-05-11 |
| CN102052258B CN102052258B (en) | 2014-11-05 |
Family
ID=43956922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910217188.4A Expired - Fee Related CN102052258B (en) | 2009-11-02 | 2009-11-02 | Safety film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102052258B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527424A (en) * | 2013-10-25 | 2014-01-22 | 北京金风科创风电设备有限公司 | Precast concrete tower of wind generating set |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1621620A (en) * | 2004-12-21 | 2005-06-01 | 昆明铁路局科学技术研究所 | Rock-fall proof method and pulled guiding rock-fall proof flexible mesh |
| CN2849042Y (en) * | 2005-11-08 | 2006-12-20 | 杭州善庆金属构件有限公司 | Safety type single tube tower |
| CN201165943Y (en) * | 2008-02-01 | 2008-12-17 | 北京能高自动化技术有限公司 | Safe platform in large-scale blower fan tower barrel |
| CN201212256Y (en) * | 2008-06-16 | 2009-03-25 | 中建五局第三建设有限公司 | Safety flat net for construction of elevator shaft |
-
2009
- 2009-11-02 CN CN200910217188.4A patent/CN102052258B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527424A (en) * | 2013-10-25 | 2014-01-22 | 北京金风科创风电设备有限公司 | Precast concrete tower of wind generating set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102052258B (en) | 2014-11-05 |
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