CN211916605U - Shaft centering device for wind driven generator set - Google Patents
Shaft centering device for wind driven generator set Download PDFInfo
- Publication number
- CN211916605U CN211916605U CN202020287502.8U CN202020287502U CN211916605U CN 211916605 U CN211916605 U CN 211916605U CN 202020287502 U CN202020287502 U CN 202020287502U CN 211916605 U CN211916605 U CN 211916605U
- Authority
- CN
- China
- Prior art keywords
- base
- block
- groove
- shaped
- supporting
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims description 20
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000306 component Substances 0.000 description 14
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Wind Motors (AREA)
Abstract
The utility model discloses a shaft centering device for a wind driven generator set, which comprises a base and an adjustable supporting component arranged at the top of the base, wherein the adjustable supporting component comprises two L-shaped bottom supporting pieces and two L-shaped top supporting pieces, the bottom ends of the L-shaped bottom supporting pieces are welded on the top surface of the base, two reserved bolt holes are formed at the bottom ends of the L-shaped bottom supporting pieces, circular through holes corresponding to the reserved bolt holes are formed in the base, and a triangular base is fixed at the top of the adjustable supporting component; the utility model discloses well aerogenerator group axle centering device that sets up mainly designs based on aerogenerator cabin special circumstances and narrow operation space, can more convenient, effective, swift help accomplish the operation of generator horizontal centering, compares the current adjustment method through the manpower or through increasing large-scale gallows, and its main advantage is that mechanical properties is reliable, the operation is simple and direct, rational in infrastructure, the manufacturing of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of wind generating set maintains utensil, concretely relates to be used for aerogenerator group axle centering device.
Background
Wind power generation is one of important new energy sources advocated and supported by the countries in recent years, wherein a wind driven generator is one of core components of a wind turbine set, the operation performance of the wind driven generator is directly related to the generation efficiency, and phenomena such as fan vibration and swing can be generated due to the unstable characteristic of wind load, so that the torsional load borne by a shaft and a bearing in the operation process of the generator is increased in the past, the service life of the generator is shortened, and shaft centering operation of the generator is required to be performed at regular time in order to ensure the reliability of the fan and the maximization of the generation efficiency.
But because wind turbine generator system's cabin generally all sets up the high altitude about eighty meters in reality to operating space in the cabin is very narrow and limited, the inconvenience that very when leading to operating personnel to carry out the centering operation to the generator can only go the horizontal skew of adjusting the engine through the method of traditional manpower or increase large-scale gallows, and it is comparatively troublesome that the operation is got up, has certain drawback, for this the utility model provides a be used for wind turbine generator system axle centering device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for aerogenerator group axle centering device, but with solve and propose among the above-mentioned background art because the cabin of wind turbine group generally all sets up the high altitude about eighty meters in reality, and the operating space in the cabin is narrow very and limited, the inconvenience that very when leading to operating personnel to carry out the centering operation to the generator, can only go the horizontal skew of adjustment engine through traditional manpower or the method that increases large-scale gallows, it is comparatively troublesome to operate, there is certain drawback problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be used for aerogenerator group axle centering device, includes the base and sets up the adjustable supporting component at the base top, adjustable supporting component includes two L shape end support piece and two L shape top support pieces, the bottom welding of L shape end support piece is on the top surface of base, two reservation bolt holes have been seted up to L shape end support piece's bottom, and the inside of base set up with reserve the corresponding circular through-hole of bolt hole, adjustable supporting component's top is fixed with the triangle-shaped base, the inside of triangle-shaped base is run through and is provided with supporting bolt, the inboard fixed surface of triangle-shaped base has the seat piece, and the inside of seat piece has seted up the hexagonal groove, the inside block in hexagonal groove is connected with the back nut corresponding with supporting bolt, be equipped with easy dismouting coupling mechanism between back nut and the seat piece.
Preferably, a base block sliding groove is formed in the L-shaped bottom supporting piece, a sliding base block is arranged at the bottom end of the base block sliding groove, the bottom end of the L-shaped top supporting piece penetrates through the base block sliding groove, the bottom end of the L-shaped top supporting piece is fixed with the sliding base block in a welded mode, and an adjustable fixing mechanism is arranged between the sliding base block and the L-shaped bottom supporting piece.
Preferably, the adjustable fixing mechanism comprises two limit bolts and two limit nuts, through holes corresponding to the limit bolts are formed in the sliding base block in a penetrating mode, and a plurality of adjusting holes corresponding to the limit bolts are uniformly formed in the surfaces of the two sides of the L-shaped bottom supporting piece.
Preferably, easy dismouting coupling mechanism is including setting up two right angled triangle telescopic fixture blocks in hexagonal inslot portion, the both sides surface of back nut has all been seted up with the corresponding side draw-in groove of the telescopic fixture block of right angled triangle, the bottom of the telescopic fixture block of right angled triangle is connected with the spring groove, just the spring groove sets up the inside at the seat piece, the both sides of seat piece all are equipped with draws the mechanism with the telescopic fixture block of right angled triangle corresponding draws.
Preferably, draw the mechanism and include the side groove of seting up on the seat piece surface, the inside in side groove is provided with the pull rod, and the bottom of pull rod runs through to the inside in spring groove, the bottom of pull rod and the bottom welded fastening of the flexible fixture block of right triangle, the top surface of pull rod is fixed with draws the piece, and draws the piece and be in the inside in side groove.
Preferably, the surface of the seat block is provided with an arc-shaped groove corresponding to the position of the pull block, and the arc-shaped groove is positioned on one side of the side groove.
Preferably, the triangular base is internally provided with a jack corresponding to the support bolt in a penetrating manner, and the jack is communicated with the hexagonal groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in aerogenerator group axle centering device that sets up, mainly design based on aerogenerator cabin special circumstances and narrow operation space, can be more convenient, effective, swift help accomplishes the operation of generator horizontal centering, compare the current adjustment method through the manpower or through increasing a large-scale gallows, its main advantage is that mechanical properties is reliable, the operation is simple and direct, rational in infrastructure, be convenient for make, simultaneously through the easy dismouting coupling mechanism who sets up, make the change of easily pulling down after the follow-up smooth silk that appears of back nut.
2. Through the sliding base block, the base block sliding groove, the limiting bolt, the limiting nut, the through hole and the adjusting hole, the length of the adjustable supporting assembly can be properly adjusted, the height of the wind driven generator set shaft centering device can be flexibly adjusted according to actual use requirements, and the use flexibility of the wind driven generator set shaft centering device is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is an enlarged view of a portion of the area A in FIG. 2 according to the present invention;
FIG. 4 is a top cross-sectional view of the connection of the back nut and the seat block of the present invention;
FIG. 5 is an enlarged view of a portion of the area B in FIG. 4 according to the present invention;
fig. 6 is a side sectional view of the junction of the L-shaped top brace and the L-shaped bottom brace in embodiment 2 of the present invention;
in the figure: 1. a base; 2. an L-shaped bottom brace member; 3. a limit bolt; 4. an adjustment hole; 5. an L-shaped top support; 6. a triangular base; 7. a support bolt; 8. a limit nut; 9. a seat block; 10. a back nut; 11. a side groove; 12. a pull rod; 13. pulling the block; 14. a spring slot; 15. a right-angled triangle telescopic clamping block; 16. a hexagonal groove; 17. a side card slot; 18. sliding the base block; 19. a base block chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 5, the present invention provides a technical solution: a shaft centering device for a wind driven generator set comprises a base 1 and an adjustable supporting component arranged at the top of the base 1, wherein the adjustable supporting component comprises two L-shaped bottom supporting pieces 2 and two L-shaped top supporting pieces 5, the bottom ends of the L-shaped bottom supporting pieces 2 are welded on the surface of the top of the base 1, two reserved bolt holes are formed in the bottom ends of the L-shaped bottom supporting pieces 2, circular through holes corresponding to the reserved bolt holes are formed in the base 1, the base 1 can be fixed with an external object through bolts, a triangular base 6 is fixed at the top of the adjustable supporting component, the top ends of the L-shaped top supporting pieces 5 are welded and fixed with the triangular base 6, supporting bolts 7 penetrate through the triangular base 6, the supporting bolts 7 are bearing pieces for subsequently supporting a hydraulic jack, a seat block 9 is welded on the inner side surface of the triangular base 6, and a hexagonal groove 16 is formed in the seat block 9, the inside block connection of hexagonal groove 16 has the back nut 10 corresponding with stay bolt 7, can more convenient, effective, swift help accomplish the horizontal centering operation of generator, is equipped with easy dismouting coupling mechanism between back nut 10 and seat piece 9.
In this embodiment, it is preferred, easy dismouting coupling mechanism is including setting up two right angled triangle expansion fixture block 15 inside hexagonal groove 16, the both sides surface of back nut 10 has all been seted up with the corresponding side draw-in groove 17 of the expansion fixture block 15 of right angled triangle, there is spring groove 14 bottom of the expansion fixture block 15 of right angled triangle through spring coupling, and spring groove 14 sets up the inside at seat piece 9, can be squeezed into spring groove 14 gradually after making the top of the expansion fixture block 15 of right angled triangle receive external object extrusion, thereby make the mode of back nut 10 accessible block install inside hexagonal groove 16, the both sides of seat piece 9 all are equipped with and draw the mechanism with the corresponding drawing of the expansion fixture block 15 of right angled triangle.
In this embodiment, preferably, the pulling mechanism includes a side groove 11 formed in the surface of the seat block 9, a pull rod 12 is disposed inside the side groove 11, the bottom end of the pull rod 12 penetrates into the spring groove 14, the bottom end of the pull rod 12 is welded to the bottom end of the right-angled triangle telescopic fixture block 15, a pull block 13 is welded to the top end surface of the pull rod 12, and the pull block 13 is located inside the side groove 11, so that the rear nut 10 is easy to detach.
In this embodiment, preferably, the surface of the seat block 9 is provided with an arc-shaped groove corresponding to the position of the pull block 13, and the arc-shaped groove is located on one side of the side groove 11, so that the pull block 13 can be pulled conveniently in the following process.
In this embodiment, preferably, the triangular base 6 has an insertion hole corresponding to the support bolt 7 and communicating with the hexagonal groove 16.
Example 2
Referring to fig. 1 to 6, the present invention provides a technical solution: a shaft centering device for a wind driven generator set comprises a base 1 and an adjustable supporting component arranged at the top of the base 1, wherein the adjustable supporting component comprises two L-shaped bottom supporting pieces 2 and two L-shaped top supporting pieces 5, the bottom ends of the L-shaped bottom supporting pieces 2 are welded on the surface of the top of the base 1, two reserved bolt holes are formed in the bottom ends of the L-shaped bottom supporting pieces 2, circular through holes corresponding to the reserved bolt holes are formed in the base 1, the base 1 can be fixed with an external object through bolts, a triangular base 6 is fixed at the top of the adjustable supporting component, the top ends of the L-shaped top supporting pieces 5 are welded and fixed with the triangular base 6, supporting bolts 7 penetrate through the triangular base 6, the supporting bolts 7 are bearing pieces for subsequently supporting a hydraulic jack, a seat block 9 is welded on the inner side surface of the triangular base 6, and a hexagonal groove 16 is formed in the seat block 9, the inside block connection of hexagonal groove 16 has the back nut 10 corresponding with stay bolt 7, can more convenient, effective, swift help accomplish the horizontal centering operation of generator, is equipped with easy dismouting coupling mechanism between back nut 10 and seat piece 9.
In this embodiment, preferably, base block chute 19 has been seted up to the inside of L shape base member 2, and the bottom of base block chute 19 is provided with slip base block 18, the bottom of L shape base member 5 runs through to the inside of base block chute 19, and the bottom of L shape base member 5 and slip base block 18 welded fastening, be equipped with adjustable fixed establishment between slip base block 18 and the L shape base member 2, adjustable fixed establishment includes two stop bolt 3 and two stop nut 8, the inside of slip base block 18 runs through and sets up the through-hole corresponding with stop bolt 3, a plurality of regulation holes 4 corresponding with stop bolt 3 have evenly been seted up to the both sides surface of L shape base member 2, make adjustable supporting component's length suitably adjust, thereby change the holistic height of device.
In this embodiment, it is preferred, easy dismouting coupling mechanism is including setting up two right angled triangle expansion fixture block 15 inside hexagonal groove 16, the both sides surface of back nut 10 has all been seted up with the corresponding side draw-in groove 17 of the expansion fixture block 15 of right angled triangle, there is spring groove 14 bottom of the expansion fixture block 15 of right angled triangle through spring coupling, and spring groove 14 sets up the inside at seat piece 9, can be squeezed into spring groove 14 gradually after making the top of the expansion fixture block 15 of right angled triangle receive external object extrusion, thereby make the mode of back nut 10 accessible block install inside hexagonal groove 16, the both sides of seat piece 9 all are equipped with and draw the mechanism with the corresponding drawing of the expansion fixture block 15 of right angled triangle.
In this embodiment, preferably, the pulling mechanism includes a side groove 11 formed in the surface of the seat block 9, a pull rod 12 is disposed inside the side groove 11, the bottom end of the pull rod 12 penetrates into the spring groove 14, the bottom end of the pull rod 12 is welded to the bottom end of the right-angled triangle telescopic fixture block 15, a pull block 13 is welded to the top end surface of the pull rod 12, and the pull block 13 is located inside the side groove 11, so that the rear nut 10 is easy to detach.
In this embodiment, preferably, the surface of the seat block 9 is provided with an arc-shaped groove corresponding to the position of the pull block 13, and the arc-shaped groove is located on one side of the side groove 11, so that the pull block 13 can be pulled conveniently in the following process.
In this embodiment, preferably, the triangular base 6 has an insertion hole corresponding to the support bolt 7 and communicating with the hexagonal groove 16.
The utility model discloses a theory of operation and use flow: when the shaft centering device of the wind driven generator set is used, the base 1 is reliably fixed only by 4M 20 nut bolts, then the end part of the supporting bolt 7 is inserted into the jack and screwed into the back nut 10, so that the supporting bolt 7 can be installed at one side of the triangular base 6, and the distance between the supporting bolt 7 and the generator base is adjusted by continuously screwing or screwing the supporting bolt 7 outwards, the generator base can be pressed by a supporting jack and the horizontal offset can be adjusted, when the thread of the inner wall of the back nut 10 slides due to multiple uses, an operator only needs to pull the pull block 13 in the side groove 11 laterally, so that the pull rod 12 can pull the top end of the right-angled triangular telescopic fixture block 15 into the spring groove 14, and the top end of the right-angled triangular telescopic fixture block 15 is not limited to the back nut 10 any more, and the back nut 10 can be directly taken down from the inside of the hexagonal groove 16, the rear nut 10 is replaced, when the rear nut 10 is installed subsequently, only the two side clamping grooves 17 in the surface of the rear nut 10 need to be aligned with the two right-angled triangular telescopic clamping blocks 15 respectively, then the rear nut 10 is pushed into the hexagonal groove 16 forcibly, the top ends of the right-angled triangular telescopic clamping blocks 15 are gradually squeezed into the spring groove 14 by the nut 10 after the rear nut is pushed into the spring groove 14 until the rear nut 10 is completely pushed into the hexagonal groove 16, and the top ends of the right-angled triangular telescopic clamping blocks 15 are clamped into the side clamping grooves 17 under the action of a spring in the spring groove 14 at the moment, so that the rear nut 10 can be clamped in the hexagonal groove 16, the installation of the rear nut 10 is completed, and the rear nut 10 is easy to replace after the rear nut 10 is damaged subsequently;
when an operator needs to adjust the length of the adjustable supporting component, the operator only needs to screw the limiting nut 8 off the end of the limiting bolt 3 in a rotating manner, then the limiting bolt 3 is pulled out of the two L-shaped bottom supporting pieces 2, so that the limiting bolt 3 does not limit the sliding base block 18 any more, at this time, the L-shaped top supporting piece 5 can be pulled up and down, the sliding base block 18 slides in the base block sliding groove 19, the position of the through hole can be adjusted to be aligned with other adjusting holes 4 in the sliding process of the sliding base block 18, then the limiting bolt 3 penetrates through the two L-shaped bottom supporting pieces 2 and the two sliding base blocks 18, the end of the limiting bolt 3 can penetrate through the outer side of one of the L-shaped bottom supporting pieces 2, at this time, the limiting nut 8 is screwed on the end of the limiting bolt 3 in a rotating manner, so that the sliding base block 18 can be fixed again, and the length of the adjustable supporting component is changed, and because the both sides surface of L shape bottom sprag piece 2 has evenly seted up a plurality of regulation holes 4 corresponding with spacing bolt 3 for adjustable supporting component's length can suitably be adjusted, and after adjustable supporting component's length changed, the height of aerogenerator group axle centering device also can change thereupon, thereby makes the height of aerogenerator group axle centering device can carry out nimble adjustment according to actual user demand.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An apparatus for shaft centering of a wind turbine generator system, characterized in that: comprises a base (1) and an adjustable supporting component arranged at the top of the base (1), wherein the adjustable supporting component comprises two L-shaped bottom supporting pieces (2) and two L-shaped top supporting pieces (5), the bottom ends of the L-shaped bottom supporting pieces (2) are welded on the surface of the top of the base (1), two reserved bolt holes are formed in the bottom ends of the L-shaped bottom supporting pieces (2), circular through holes corresponding to the reserved bolt holes are formed in the base (1), a triangular base (6) is fixed at the top of the adjustable supporting component, supporting bolts (7) penetrate through the triangular base (6), a base block (9) is fixed on the inner side surface of the triangular base (6), a hexagonal groove (16) is formed in the base block (9), and a rear nut (10) corresponding to the supporting bolts (7) is clamped and connected to the inner part of the hexagonal groove (16), an easy-to-dismount connecting mechanism is arranged between the rear nut (10) and the seat block (9).
2. An apparatus for wind turbine shaft centering according to claim 1, wherein: base block spout (19) have been seted up to the inside of L shape end support piece (2), and the bottom of base block spout (19) is provided with slip base block (18), the bottom of L shape end support piece (5) runs through to the inside of base block spout (19), and the bottom of L shape end support piece (5) and slip base block (18) welded fastening, be equipped with adjustable fixed establishment between slip base block (18) and L shape end support piece (2).
3. An apparatus for wind turbine shaft centering according to claim 2, wherein: the adjustable fixing mechanism comprises two limiting bolts (3) and two limiting nuts (8), through holes corresponding to the limiting bolts (3) are formed in the sliding base block (18) in a penetrating mode, and a plurality of adjusting holes (4) corresponding to the limiting bolts (3) are uniformly formed in the surfaces of the two sides of the L-shaped bottom supporting piece (2).
4. An apparatus for wind turbine shaft centering according to claim 1, wherein: easy dismouting coupling mechanism is including setting up two right angled triangle expansion fixture block (15) in hexagonal groove (16) inside, the both sides surface of back nut (10) has all been seted up with the corresponding side draw-in groove (17) of the expansion fixture block of right angled triangle (15), the bottom of the expansion fixture block of right angled triangle (15) is connected with spring groove (14), just spring groove (14) set up the inside in seat piece (9), the both sides of seat piece (9) all are equipped with pulls with the corresponding mechanism that draws of the expansion fixture block of right angled triangle (15).
5. An apparatus for wind turbine shaft centering according to claim 4, wherein: draw mechanism including offering side groove (11) on seat piece (9) surface, the inside of side groove (11) is provided with pull rod (12), and the bottom of pull rod (12) runs through to the inside of spring groove (14), the bottom of pull rod (12) and the bottom welded fastening of the flexible fixture block of right angled triangle (15), the top fixed surface of pull rod (12) has pull block (13), and pulls block (13) and is in the inside of side groove (11).
6. An apparatus for wind turbine shaft centering according to claim 4, wherein: the surface of the seat block (9) is provided with an arc-shaped groove corresponding to the position of the pull block (13), and the arc-shaped groove is positioned on one side of the side groove (11).
7. An apparatus for wind turbine shaft centering according to claim 1, wherein: the triangular base (6) is internally provided with a jack corresponding to the supporting bolt (7) in a penetrating way, and the jack is communicated with the hexagonal groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020287502.8U CN211916605U (en) | 2020-03-10 | 2020-03-10 | Shaft centering device for wind driven generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020287502.8U CN211916605U (en) | 2020-03-10 | 2020-03-10 | Shaft centering device for wind driven generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211916605U true CN211916605U (en) | 2020-11-13 |
Family
ID=73346808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020287502.8U Expired - Fee Related CN211916605U (en) | 2020-03-10 | 2020-03-10 | Shaft centering device for wind driven generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211916605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183064A (en) * | 2021-05-23 | 2021-07-30 | 中广核新能源安徽有限公司 | Fixing tool for generator centering and using method thereof |
-
2020
- 2020-03-10 CN CN202020287502.8U patent/CN211916605U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183064A (en) * | 2021-05-23 | 2021-07-30 | 中广核新能源安徽有限公司 | Fixing tool for generator centering and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201092937Y (en) | Structure for installing transformer on engine room rear in wind power generation system | |
| CN211916605U (en) | Shaft centering device for wind driven generator set | |
| CN209994331U (en) | Solar panel fixing device for solar photovoltaic power generation | |
| CN210266644U (en) | Monitoring installation device of photovoltaic power station | |
| CN209277668U (en) | A kind of reinforced electric wire cross-arm | |
| CN215489472U (en) | Solar energy wall lamp support | |
| CN204696990U (en) | Flat-top photovoltaic board mount | |
| CN221126730U (en) | Grid-connected box mounting structure | |
| CN212377909U (en) | Solar street lamp hoisting lamp pole | |
| CN221552183U (en) | Photovoltaic power generation lightning protection earthing device | |
| CN207801816U (en) | A kind of concrete photovoltaic roof stent system | |
| CN219372359U (en) | Flat single-shaft bracket component mounting structure | |
| CN219875568U (en) | Solar panel with roof photovoltaic power generation convenient to splice | |
| CN220928536U (en) | Photovoltaic ceramic tile bearing structure | |
| CN206179722U (en) | Assembly fixture of pressure spring | |
| CN218499042U (en) | Detachable solar photovoltaic power generation equipment | |
| CN215408997U (en) | Protection type wind power generation basic station | |
| CN209839935U (en) | Intention photovoltaic city wisdom street lamp | |
| CN221728179U (en) | Combined power generation device | |
| CN219366240U (en) | Wind-powered electricity generation blade apex lightning arrester | |
| CN214170113U (en) | Distributed photovoltaic power station | |
| CN216565023U (en) | Two-sided dual-glass photovoltaic module installing support | |
| CN220815884U (en) | Root structure of wind power blade | |
| CN213039392U (en) | Wind driven generator fan blade fixing device | |
| CN219222633U (en) | Solar heating device for multi-energy complementation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201113 |