CN204691987U - Become oar cabinet and wind-driven generator - Google Patents
Become oar cabinet and wind-driven generator Download PDFInfo
- Publication number
- CN204691987U CN204691987U CN201520419893.3U CN201520419893U CN204691987U CN 204691987 U CN204691987 U CN 204691987U CN 201520419893 U CN201520419893 U CN 201520419893U CN 204691987 U CN204691987 U CN 204691987U
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- CN
- China
- Prior art keywords
- cabinet
- fixed via
- change oar
- hole
- elastomer seal
- 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.)
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- 229920001971 elastomer Polymers 0.000 claims abstract description 48
- 239000000806 elastomer Substances 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000002787 reinforcement Effects 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 8
- 230000007717 exclusion Effects 0.000 claims description 6
- 230000032683 aging Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 241001473780 Sideroxylon lanuginosum Species 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Patch Boards (AREA)
Abstract
The utility model provides a kind of and becomes oar cabinet and wind-driven generator.This change oar cabinet comprises: cabinet, the first fixed via that the cabinet wall of cabinet is provided with the first through hole and passes for threaded connector; Elastomer seal, elastomer seal is arranged on the internal face of cabinet wall along the edge of the first through hole, elastomer seal is provided with the second fixed via; Rigid limit part, rigid limit part is arranged in the second fixed via, rigid limit part is provided with the 3rd fixed via, and the 3rd fixed via, the second fixed via and the first fixed via three are through.The sealing of this change oar cabinet is more reliable, and working life is higher.
Description
Technical field
The utility model relates to field of wind power equipment, particularly relates to and becomes oar cabinet and wind-driven generator.
Background technique
Pitch-controlled system is the important component part of speed-changing oar-changing wind power generating set.When the wind speed that wind power generating set is born is more than rated wind speed, wind power generating set realizes the object of stable wind power generating set output power by adjusting vane propeller pitch angle, if blade bears excessive load and may cause blade damage simultaneously, therefore pitch-controlled system also plays most important effect to the safe operation of wind power generating set.So the stable operation of pitch-controlled system and maintenance are the important leverages of wind power generating set continuous output.
Outside the impeller hub of wind power generating set is exposed to, dust storm and rainwater easily enter, therefore for the security level General Requirements of the change oar cabinet be arranged in this wheel hub at more than IP54.And become automatically controlled device that the part in oar cabinet need dispel the heat and need to pass and become oar cabinet and carry out cabinet and dispel the heat outward, therefore, becoming oar cabinet needs enhanced leaktightness to protect, to reach safety class requirement herein.The more direct employing caulking gum of the existing sealing configuration to sealing herein seals, because later stage caulking gum exists creep and the problem such as aging, caulking gum elastic force is caused to reduce even to disappear, this makes the clamping bolt of fixing automatically controlled device easily loosen, cause damage, and the problem sealing and cannot meet the demands can be caused.
Model utility content
Embodiment of the present utility model provides a kind of and becomes oar cabinet and wind-driven generator, is connected insecure problem with the aging rear automatically controlled device of cabinet sealing configuration solving change oar cabinet of the prior art with cabinet.
For achieving the above object, embodiment of the present utility model provides and a kind of becomes oar cabinet, and it comprises: cabinet, the first fixed via that the cabinet wall of cabinet is provided with the first through hole and passes for threaded connector; Elastomer seal, elastomer seal is arranged on the internal face of cabinet wall along the edge of the first through hole, elastomer seal is provided with the second fixed via; Rigid limit part, rigid limit part is arranged in the second fixed via, rigid limit part is provided with the 3rd fixed via, and the 3rd fixed via, the second fixed via and the first fixed via three are through.
Further, become oar cabinet also to comprise: fixed structure, fixed structure is arranged on cabinet wall, and fixed structure has the tapped hole through with the 3rd fixed via.
Further, fixed structure is that the staking that part is contained in the first fixed via is female, and staking mother is riveted on cabinet wall, and rigid limit part is fitted on staking mother.
Further, the thickness of rigid limit part is less than the thickness of the uncompressed state of elastomer seal.
Further, become oar cabinet and also comprise reinforcement structure, strengthen structure and be fixedly installed on cabinet wall, strengthen structure is provided with lightening hole.
Further, reinforcement structure is stiffening plate, and stiffening plate is also provided with the second through hole, the second through hole and the first through hole through.
Further, cabinet is fixedly installed the load-bearing member being threaded through hole, load-bearing member is threaded with cabinet clamping bolt.
Further, exclusion seal assembly is provided with between the nut of cabinet clamping bolt and load-bearing member.
Further, the end face of load-bearing member is provided with pockets, the opening of pockets is towards the nut of cabinet clamping bolt, and exclusion seal assembly comprises: elastic sealing gasket, and elastic sealing gasket is arranged in pockets; Packing ring, packing ring is arranged on elastic sealing gasket, and fits with the end face of load-bearing member.
On the other hand, provide a kind of wind-driven generator, comprise and become oar cabinet, becoming oar cabinet is above-mentioned change oar cabinet.
By arranging rigid limit part in elastomer seal, the change oar cabinet of embodiment of the present utility model ensures that automatically controlled device is connected with cabinet into Hard link, can not produce because elastomer seal is aging and loosen, elastomer seal plays damping and auxiliary seal, avoids the aging rear cabinet automatically controlled device of elastomer seal in the past and connects insecure problem.
Accompanying drawing explanation
Fig. 1 is the perspective view of the change oar cabinet according to embodiment of the present utility model;
Fig. 2 is the worm's eye view of the change oar cabinet in Fig. 1;
Fig. 3 is the A-A direction view in Fig. 2;
Fig. 4 is the B-B direction view in Fig. 2.
Description of reference numerals:
1, cabinet; 11, cabinet wall; 12, the first through hole; 13, the first fixed via; 2, structure is strengthened; 21, lightening hole; 22, the second through hole; 3, elastomer seal; 31, the second fixed via; 4, fixed structure; 41, tapped hole; 5, rigid limit part; 51, the 3rd fixed via; 6, cabinet clamping bolt; 7, load-bearing member; 8, elastic sealing gasket; 9, packing ring.
Embodiment
The wind-driven generator becoming oar cabinet below in conjunction with accompanying drawing to the utility model embodiment and have it is described in detail.
See shown in Fig. 1 to 4, according to embodiment of the present utility model, change oar cabinet comprises the cabinet 1 for carrying other parts.Carry out cabinet dispel the heat outward because some automatically controlled devices become in oar cabinet need to pass cabinet 1, on the cabinet wall 11 of cabinet 1, therefore offer the first through hole 12 pass for automatically controlled device.That specifically can select the first through hole 12 according to different layouts and design requirement offers position, and in the present embodiment, cabinet wall 11 can be the diapire of cabinet 1, and also, the first through hole 12 is opened on the diapire of cabinet 1.
Automatically controlled device is achieved a fixed connection by the threaded connector such as bolt or screw and cabinet 1.Cabinet 1 offers the first fixed via 13 passed for threaded connector, because joint exists gap, and IP (INGRESS PROTECTION) security level becoming oar cabinet requires higher, so need to realize sealing in joint.When adopting sealing rubber pad to seal in the prior art, sealing rubber pad is clamped between threaded connector and cabinet 1.Due to sealing rubber pad to use after a period of time sealing rubber pad can creep and aging, sealing rubber pad elastic force is caused to reduce even to disappear, fastening threaded connector easily loosens, cause threaded connector to be connected with cabinet unreliable, and then cause automatically controlled device to fix the Security of unreliable impact change oar cabinet.
Know-why of the present utility model is by arranging rigid limit part 5 in the second fixed via 31 of elastomer seal 3, make the connection between the threaded connector of automatically controlled device and cabinet 1 be Hard link, the flexibility decrease that can not cause because elastomer seal 3 is aging causes threaded connector to loosen and affects the fixing reliability of automatically controlled device.
Shown in Figure 3, in the present embodiment, become oar cabinet and also comprise elastomer seal 3, rigid limit part 5 and fixed structure 4.
Wherein, elastomer seal 3 is positioned on the inwall of cabinet wall 11 and (such as, can be bonded on the inwall of cabinet wall 11), and arranges along the edge of the first through hole 12, to ensure that elastomer seal 3 can seal the joint of automatically controlled device and cabinet 1.Certainly, in other embodiments, the setting position of elastomer seal 3 can change according to different demands, such as, the edge of elastomer seal 3 can have certain distance with the hole wall of the first through hole 12, as long as can realize the sealing between automatically controlled device and cabinet 1.
Elastomer seal 3 is provided with the second fixed via 31 passed for the threaded connector such as bolt or screw, rigid limit part 5 is arranged in the second fixed via 31, for limited support, rigid limit part 5 is provided with the 3rd fixed via 51 passed for threaded connector.Second fixed via 31, the 3rd fixed via 51 and the first fixed via 13 three are through, for threaded connector through cabinet wall 11, are fixedly connected with by automatically controlled device with cabinet 1.
In the present embodiment, elastomer seal 3 is rubber gasket, particularly, is the sealing gasket that ageing-resistant ethylene propylene diene rubber is made.It should be noted that, elastomer seal 3 can have flexible material, as long as can realize the sealing to joint for any.Rigid limit part 5 is metal gasket post, and its material can be selected according to real needs.In other embodiments, rigid limit part 5 can be the pad of non-metallic material.
Fixed structure 4, for coordinating with threaded connector, realizes the fixing of automatically controlled device and cabinet 1.In the present embodiment, fixed structure 4 is arranged on cabinet wall 11 and part is contained in the first fixed via 13, and fixed structure 4 has the tapped hole 41 corresponding with the 3rd fixed via 51.
In the process of installing automatically controlled device, threaded connector is coordinated with tapped hole 41 through after the second fixed via 31, the 3rd fixed via 51 and the first fixed via 13 successively, along with tightening of threaded connector, automatically controlled device first contacts with elastomer seal 3, and pressure elasticity Sealing 3, until automatically controlled device contacts rear stopping with rigid limit part 5, in the tapped hole 41 that respective threaded link screws in corresponding fixed structure 4 and after completing corresponding moment, installation.Now, elastomer seal 3 is in compression seal state, without resilience and Collapse Pressure.
The second fixed via 31 due to elastomer seal 3 is embedded rigid limit part 5, make to need fastening automatically controlled device reality to contact with rigid limit part 5, form Hard link, the flexibility decrease that can not cause because elastomer seal 3 is aging causes bolt looseness, ensure that the reliability that automatically controlled device is installed and serviceability, improve the working life becoming oar cabinet, reduce maintenance cost.
The thickness of rigid limit part 5 is preferably less than the thickness of the uncompressed state of elastomer seal 3.When automatically controlled device is installed, first contact with elastomer seal 3, then elastomer seal 3 starts compression, until automatically controlled device contacts rear stopping with rigid limit part 5, then install threaded connector, be fixed to by automatically controlled device on cabinet wall 11, at this moment elastomer seal 3 is in compressive state, without resilience and Collapse Pressure, serve seal action.Before reaching compression limit, larger to the compression degree of elastomer seal 3, its sealing effect is better and impact that is that cause after weathering is less.
Certainly, in other embodiments, the thickness of rigid limit part 5 can be more than or equal to the thickness of the uncompressed state of elastomer seal 3.At this moment, in order to energy pressure elasticity Sealing 3 after automatically controlled device is installed, to realize its seal action, can arrange towards the flange of elastomer seal 3 at the corresponding joint of automatically controlled device, when automatically controlled device is installed, this flange first contacts with elastomer seal 3, and pressure elasticity Sealing 3, until automatically controlled device contacts rear stopping with rigid limit part 5, then install threaded connector, be fixed to by automatically controlled device on cabinet wall 11, at this moment elastomer seal 3 is in compressive state, without resilience and Collapse Pressure, serve seal action.
Regular screw threads connect general not as sealing use, in order to prevent the corrosion of the double thread links such as rainwater dust, ensure the working life becoming oar cabinet, improve the IP security level becoming oar cabinet simultaneously, the tapped hole 41 of fixed structure 4 is preferably blind hole, ensureing that the part that threaded connector stretches out cabinet 1 can not expose like this, prevent its damage that is corroded, making it convenient when dismantling.
Further preferably, fixed structure 4 is staking mother, staking mother is riveted on cabinet wall 11, and its one end is stretched in the second fixed via 31 of elastomer seal 3, rigid limit part 5 is fitted on the end face of staking mother, to ensure that the gap that rigid limit part 5 coordinates with staking mother can be sealed by elastomer seal 3.
In other embodiments, fixed structure 4 can be fixed on cabinet 1 by alternate manner, also can be threaded the part in hole, such as welded nut etc. on cabinet 1 for other.If the fastening means of automatically controlled device and cabinet 1 changes, fixed structure 4 can change corresponding structure into according to the difference of fastening means particularly.
See Fig. 1 and 2, in order to strengthen the structural strength of the bottom of cabinet 1, ensureing that the parts that cabinet 1 can be opposite in cabinet 1 carry out secure support, being fixedly installed reinforcement structure 2 in the bottom of cabinet 1.Particularly, strengthen structure 2 and be fixedly installed on the side away from elastomer seal 3 of cabinet wall 11, on the outer side surface of the also i.e. diapire of cabinet 1.Can reinforcement structure 2 be connected with cabinet 1 comparatively easily like this, processing cost is lower.
In order to alleviate the total quality becoming oar cabinet, strengthen structure 2 is provided with lightening hole 21.The setting position of lightening hole 21 is advisable with the structural strength not affecting cabinet 1.
In the present embodiment, strengthening structure 2 is stiffening plate, and this stiffening plate is thick base plate, and its concrete thickness can be selected according to different carrying demands.Stiffening plate is also provided with the second through hole 22, second through hole 22 and the first through hole 12 through, its aperture is greater than the aperture of the first through hole 12, to ensure that the automatically controlled device needing cabinet to dispel the heat can pass cabinet 1 and stiffening plate dispels the heat outward.Strengthen structure 2 can weld together with the diapire of cabinet 1, gap place sealer is filled and led up.
Carry out welding reinforcement by adopting the stiffening plate of hollow out in the bottom of cabinet 1 and can ensure good structural strength and comparatively simple cabinet body structure, can remove from again and carry out panel beating bending and wait cumbersome process in the cabinet 1 surrounding welding reinforcement becoming oar cabinet, make processing more simple and convenient, reduce the weight of cabinet 1 simultaneously.
Shown in Figure 4, become the fixing of the cabinet 1 of oar cabinet sometimes to need to be fixed by screw rod or bolt according to general arrangement demand, such as, when becoming oar cabinet and being arranged on impeller hub, need cabinet clamping bolt 6 to be connected with the tapped hole on impeller hub, this needs cabinet clamping bolt 6 through cabinet 1.In order to ensure the IP security level of cabinet 1 in prior art, cabinet clamping bolt 6 is fixed on cabinet 1 by the mode of welding, and this makes the dismounting inconvenience of cabinet clamping bolt 6.Be difficult to keep in repair by changing cabinet clamping bolt 6 after if damage in the process that change oar cabinet and impeller hub lift, the screw thread of cabinet clamping bolt 6 causes the problem that cannot install.
For addressing this problem, cabinet 1 is provided with the load-bearing member 7 being threaded through hole strengthen as position, hole, load-bearing member 7 is fixed in a sealing fashion and is welded on cabinet 1 on cabinet 1, such as, ensure the IP security level of cabinet 1, and cabinet clamping bolt 6 is threaded with load-bearing member 7, ensure that cabinet clamping bolt 6 is convenient to dismounting, if when cabinet clamping bolt 6 occurs that damage needs to change, directly cabinet clamping bolt 6 is taken off and more renew.
In the present embodiment, exclusion seal assembly is provided with between the nut of cabinet clamping bolt 6 and load-bearing member 7, to seal.
Particularly, the end face of load-bearing member 7 is provided with the pockets be around in outside tapped through hole, and the opening of pockets is towards nut.Exclusion seal assembly comprises elastic sealing gasket 8 and packing ring 9.Elastic sealing gasket 8 is arranged in pockets, packing ring 9 is arranged on elastic sealing gasket 8, and fit with the end face of load-bearing member 7, nut is pressed on packing ring 9, and the process Elastic sealing gasket 8 tightened when cabinet clamping bolt 6 is pressed in realization sealing in pockets gradually.
There is provided a kind of wind-driven generator according to another aspect of the present utility model, this wind-driven generator comprises change oar cabinet, and this change oar cabinet is above-mentioned change oar cabinet.Use the wind-driven generator serviceability of above-mentioned change oar cabinet better, protection is reliable, and processing cost is low.
Change oar cabinet of the present utility model has following effect:
Can guarantee that the sealing configuration serviceability of automatically controlled device through walls is good, reliability is high, solve the problem that automatically controlled device cabinet dispels the heat and cabinet IP protects outward, its IP security level can reach IP55.
Under the prerequisite not reducing cabinet intensity, effectively can reduce cabinet quality, reduce manufacturing procedure and reduce costs.
The impeller hub installation environment of wind-driven generator can be met, can easily change after the damage of cabinet clamping bolt, avoid the problem of the inconvenient maintenance caused due to little gouge, flaw etc., cabinet clamping bolt through walls is in sealing state all the time simultaneously, ensures the IP protection level of cabinet entirety.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (10)
1. a change oar cabinet, is characterized in that, comprising:
Cabinet (1), the first fixed via (13) that the cabinet wall (11) of described cabinet (1) is provided with the first through hole (12) and passes for threaded connector;
Elastomer seal (3), described elastomer seal (3) is arranged on the internal face of described cabinet wall (11) along the edge of described first through hole (12), described elastomer seal (3) is provided with the second fixed via (31);
Rigid limit part (5), described rigid limit part (5) is arranged in described second fixed via (31), described rigid limit part (5) is provided with the 3rd fixed via (51), described 3rd fixed via (51), described second fixed via (31) and described first fixed via (13) three are through.
2. change oar cabinet according to claim 1, is characterized in that, described change oar cabinet also comprises:
Fixed structure (4), described fixed structure (4) is arranged on described cabinet wall (11), and described fixed structure (4) has the tapped hole (41) through with described 3rd fixed via (51).
3. change oar cabinet according to claim 2, it is characterized in that, described fixed structure (4) is that the staking that part is contained in described first fixed via (13) is female, described staking mother is riveted on described cabinet wall (11), and described rigid limit part (5) is fitted on described staking mother.
4. change oar cabinet according to claim 1, is characterized in that, the thickness of described rigid limit part (5) is less than the thickness of the uncompressed state of described elastomer seal (3).
5. the change oar cabinet any one of Claims 1-4, it is characterized in that, described change oar cabinet also comprises strengthens structure (2), described reinforcement structure (2) is fixedly installed on described cabinet wall (11), and described reinforcement structure (2) is provided with lightening hole (21).
6. change oar cabinet according to claim 5, it is characterized in that, described reinforcement structure (2) is stiffening plate, described stiffening plate is also provided with the second through hole (22), and described second through hole (22) is through with described first through hole (12).
7. the change oar cabinet any one of Claims 1-4, it is characterized in that, described cabinet (1) is fixedly installed the load-bearing member (7) being threaded through hole, described load-bearing member (7) is threaded with cabinet clamping bolt (6).
8. change oar cabinet according to claim 7, is characterized in that, is provided with exclusion seal assembly between the nut of described cabinet clamping bolt (6) and described load-bearing member (7).
9. change oar cabinet according to claim 8, is characterized in that, the end face of described load-bearing member (7) is provided with pockets, and the opening of described pockets is towards the nut of described cabinet clamping bolt (6), and described exclusion seal assembly comprises:
Elastic sealing gasket (8), described elastic sealing gasket (8) is arranged in described pockets;
Packing ring (9), described packing ring (9) is arranged on described elastic sealing gasket (8), and fits with the end face of described load-bearing member (7).
10. a wind-driven generator, comprises and becomes oar cabinet, it is characterized in that, the change oar cabinet of described change oar cabinet according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520419893.3U CN204691987U (en) | 2015-06-17 | 2015-06-17 | Become oar cabinet and wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520419893.3U CN204691987U (en) | 2015-06-17 | 2015-06-17 | Become oar cabinet and wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204691987U true CN204691987U (en) | 2015-10-07 |
Family
ID=54232288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520419893.3U Active CN204691987U (en) | 2015-06-17 | 2015-06-17 | Become oar cabinet and wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204691987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109072869A (en) * | 2016-05-10 | 2018-12-21 | 乌本产权有限公司 | Wind energy facility rotor blade and wind energy facility with wind energy facility rotor blade |
-
2015
- 2015-06-17 CN CN201520419893.3U patent/CN204691987U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109072869A (en) * | 2016-05-10 | 2018-12-21 | 乌本产权有限公司 | Wind energy facility rotor blade and wind energy facility with wind energy facility rotor blade |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |