CN208456785U - A kind of rear frame of wind power generation unit - Google Patents
A kind of rear frame of wind power generation unit Download PDFInfo
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- CN208456785U CN208456785U CN201821095723.4U CN201821095723U CN208456785U CN 208456785 U CN208456785 U CN 208456785U CN 201821095723 U CN201821095723 U CN 201821095723U CN 208456785 U CN208456785 U CN 208456785U
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- girder
- rear frame
- wind power
- generation unit
- power generation
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- 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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- 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
- Y02E10/728—Onshore wind turbines
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Abstract
The utility model discloses a kind of rear frame of wind power generation unit, it is used to connect the crossbeam of two girders including two girders and between two girders, the distance between girder upper surface and lower end surface are gradually reduced from front to back, crossbeam is set as three, a wherein rear end end positioned at girder, other two are located among girder front and rear end, multiple mounting blocks are equipped in the region surrounded between intermediate two crossbeams and two girders, for installing wind-driven generator, two girders and a U-shaped cavity is surrounded between the crossbeam of front end, for installing gear-box, mounting blocks are located at the upper surface of girder or crossbeam, the lower surface of crossbeam is inner concave.The utility model has the advantages that light-weight, space layout is good, at low cost.
Description
Technical field
The utility model relates to wind power plant more particularly to a kind of rear frame of wind power generation unit.
Background technique
Device needed for wind-power electricity generation, referred to as wind power generating set, wind power generating set are generally divided into wind wheel, cabin and iron
Tower, wherein steel tower is the framework for supporting wind wheel, tail vane and generator, and wind wheel is the important portion that the kinetic energy kept watch is changed into mechanical energy
Part, cabin are the key equipment of wind turbine power generation machine, including gear-box and generator, maintenance personnel can also by generator tower into
Enter cabin.
The effect of blower rack is exactly that wind loads are transferred in yaw bearing, and is provided for gear-box and generator
Support.In wind-driven generator, rack is connected with gear-box, and they are an independent units in principle, so,
Under normal circumstances, rack is as independent entity.For megawatt-grade high-power generating set, rack is generally divided into forward frame
And rear frame.Rear frame is that generator, electrical cabinet body etc. provide support, and provide channel to the maintenance of equipment for personnel.With
The increase of single-machine capacity, each components also increase with it, increase weight, and have the blower rack of the title of wind-power electricity generation group " ground "
Also it has to make the corresponding assembly demand for changing and being just able to satisfy Large-scale Wind Turbines components.
Rear frame is as one of Wind turbines load bearing component, main problem in need of consideration when rack after design, and first,
Functional requirement meets the installation of the components such as generator, electrical cabinet body, and provides channel to the maintenance of equipment for personnel；Second, it
It asks and provides interface for engine room inside cable routing；Third, there are maintenance space and works for the replacement that requirement is the components such as generator shaft
Attaching mouth；4th, it is desirable that when meeting functional requirement, it is desirable that own wt is light, length is short and at low cost；5th, it is desirable that
Meet the transport of wind turbine cabin low cost；6th, meet the requirement of blower density of load under various operating conditions.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of light-weight, space cloth
Good, the at low cost rear frame of wind power generation unit of office.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of rear frame of wind power generation unit, including two girders and be set between two girders for connecting two girders
Crossbeam, the distance between the girder upper surface and lower end surface be gradually reduced from front to back, and the crossbeam is set as three
Root, wherein one be located at girder rear end end, in addition two be located at girder front and rear end among, two intermediate crossbeams with
Multiple mounting blocks are equipped in the region surrounded between two girders, for installing wind-driven generator, two girders with lean on front end
Crossbeam between surround a U-shaped cavity, for installing gear-box, the mounting blocks are located at the upper surface of girder or crossbeam, institute
The lower surface for stating crossbeam is inner concave.
As a further improvement of the above technical scheme, it is preferred that the girder is to include by top plate and bottom plate and vertical plate structure
At I-beam, between the top plate and bottom plate be equipped with multiple reinforcing ribs, the vertical plate be equipped with multiple lightening holes.
As a further improvement of the above technical scheme, it is preferred that the top plate has the outer portion extended outward, uses
Passageway is safeguarded in constituting.
As a further improvement of the above technical scheme, it is preferred that the vertical plate of the girder is equipped with for installing escape
The escape device mounting portion of device.
As a further improvement of the above technical scheme, it is preferred that the angle between the girder upper surface and lower surface
For α, meet: 3 °≤α≤5 °.
As a further improvement of the above technical scheme, it is preferred that the girder is equipped at the crossbeam for leaning on front end and uses
In the lifting lug of lifting.
As a further improvement of the above technical scheme, it is preferred that the upper surface of the girder is equipped with for installing wind-force
The top boss of generating set column and resilient support, the upper surface of the top boss are inclined-plane.
As a further improvement of the above technical scheme, it is preferred that the lower surface close to two crossbeams of main beam rear end is set
There is the cable clamp mounting hole for hookup wire cable gantry.
As a further improvement of the above technical scheme, it is preferred that the rear frame further includes passageway platform installation beams, institute
It is multiple to state the setting of passageway platform installation beams, between the upper surface and lower surface of girder, the passageway platform installation beams welding
In on girder and/or crossbeam.
As a further improvement of the above technical scheme, it is preferred that be additionally provided on the girder for installing cabin control
The control cabinet pedestal of cabinet, the girder is equipped with tie pole in control cabinet base position, and tie pole is fixed on girder upper surface under
Between surface.
As a further improvement of the above technical scheme, it is preferred that the forward end of the girder is equipped with to be used for connecting
Flanged plate.
As a further improvement of the above technical scheme, it is preferred that the girder and crossbeam are low-alloy high-strength knot
Structure steel.
Compared with the prior art, the advantages of the utility model are:
Generator installation region and the gear-box installing zone of wind power generating set is rationally arranged in the rear frame of the utility model
Domain, crossbeam lower surface use concave structure, reduce rack weight, the space that inner concave is vacated can pass through for cable, be conducive to
Space layout, girder front and back end use wedge structure, can satisfy the design requirement that cabin tail portion upwarps, can reduce transport at
This.
Detailed description of the invention
Fig. 1 is the schematic perspective view (front) of the utility model.
Fig. 2 is the schematic perspective view (back side) of the utility model.
Fig. 3 is the main view direction schematic diagram of the utility model.
Each label indicates in figure:
1, girder；2, crossbeam；3, mounting blocks；4, U-shaped cavity；5, inner concave；6, top plate；7, bottom plate；8, vertical plate；9, reinforce
Muscle；10, lightening hole；11, outer portion；12, escape device mounting portion；13, lifting lug；14, top boss；15, cable clamp mounting hole；
16, passageway platform installation beams；17, control cabinet pedestal；18, tie pole；19, flanged plate；20, passageway platform interface；21, disappear automatically
Anti- system mounting portion；22, water cooling pump interface；23, escaping exit cover board；24, transport frock interface.
Specific embodiment
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
In Fig. 1, the left side is front end, and the right is rear end, " front end " of girder 1 described in the utility model, " rear end ",
" upper surface " and " lower surface " is only corresponding Figure of description to facilitate description, is not to carry out to the position of rear frame girder 1
It limits.
As shown in Figure 1 to Figure 3, the rear frame of wind power generation unit of the present embodiment, including two girders 1 and be set to two masters
For connecting the crossbeam 2 of two girders 1 between beam 1, crossbeam 2 is set as three, wherein one is located at the rear end end of girder 1,
Other two are located among 1 front and rear end of girder, the main body frame for the rear frame that two girders 1 and three crossbeams 2 are constituted.In
Between two crossbeams 2 and two girders 1 between set in the region that surrounds there are four mounting blocks 3, for installing wind-driven generator, two
Root girder 1 and a U-shaped cavity 4 is surrounded between the crossbeam 2 of front end, for installing gear-box, two mounting blocks 3 are located at master
1 upper surface of beam, other two mounting blocks 3 are located at the upper surface of crossbeam 2, and the upper surface of girder 1 and crossbeam 2 is same plane, respectively
Mounting blocks 3 are located in the same plane.The lower surface (or back side) of its middle cross beam 2 is the inner concave 5 of a concave inward structure.It is main
The distance between 1 upper surface of beam and lower end surface are gradually reduced from front to back.
Generator installation region and the gear-box installing zone of wind power generating set is rationally arranged in the rear frame of the present embodiment
Domain, 2 lower surface of crossbeam use concave structure, reduce rack weight, and the space that inner concave 5 is vacated can be passed through for cable, benefit
In space layout, 1 front and back end of girder uses wedge structure, can satisfy the design requirement that cabin tail portion upwarps, can reduce transport
Cost.
In the present embodiment, rear frame further includes passageway platform installation beams 16, and passageway platform installation beams 16 are arranged multiple, is located at
Between the upper surface and lower surface of girder 1, some passageway platform installation beams 16 are welded on girder 1, some passageway stage+modules
Beam 16 is welded on crossbeam 2.Passageway platform installation beams 16 tie up equipment convenient for staff for installing passageway platform
Shield.
In the present embodiment, girder 1 be include the I-beam being made of top plate 6, bottom plate 7 and vertical plate 8, top plate 6 and bottom plate 7 it
Between be equipped with multiple reinforcing ribs 9, vertical plate 8 be equipped with multiple lightening holes 10, for mitigating overall weight, structural I-beam is simply firm
Gu, intensity it is good, light-weight.
In the present embodiment, top plate 6 has the outer portion 11 extended outward, can be directly used for maintenance channel, operator
It can walk in the outer portion 11, reduce the quantity of passageway platform.
In the present embodiment, the vertical plate 8 of girder 1 is equipped with the escape device mounting portion 12 for installing escape device.It is close
The top plate 6 of escape device mounting portion 12 is equipped with escaping exit cover board 23, provides emergency escape channel for staff.
In the present embodiment, the angle between 1 upper surface of girder and lower surface is α, is met: 3 °≤α≤5 °.1 tail portion of girder
Angle between upper surface and lower surface is β (β≤α), and the spacing between frame aft and engine room cover is related.
In the present embodiment, girder 1 is used for the lifting lug 13 of lifting in being equipped at the crossbeam 2 of front end.Lifting lug 13 is settable
It can also be designed and rear frame side with rear frame top.In addition to this, lifting lug 13 can also be designed to be bolted, can be according to need
Seek flexible design.
In the present embodiment, the upper surface of girder 1 is equipped with the top for installing wind power generating set column and resilient support
The upper surface of boss 14, top boss 14 is inclined-plane, and lower surface is provided with haulagman's attaching for installing cabin transport frock
Mouth 24.
In the present embodiment, the cable for installing cable bridge is equipped with close to the lower surface of two crossbeams 2 of 1 rear end of girder
Press from both sides mounting hole 15.
In the present embodiment, the control cabinet pedestal 17 for installing engine room control cabinet is additionally provided on girder 1, girder 1 is in control
Tie pole 18 is equipped at bottom of cabinet seat 17, and tie pole 18 is fixed between 1 upper surface of girder and lower surface, is individually used for control cabinet
Wiring uses.
In the present embodiment, the forward end of girder 1 is equipped with the flanged plate 19 for connection, is used for and wind power generating set
Forebay be connected.The front end of girder 1 is provided with the passageway platform interface for installing passageway platform assembly close to flanged plate 19
20.Automatic fire protection system mounting portion 21 and water cooling pump interface 22 are additionally provided on girder 1.
In the present embodiment, girder 1 and crossbeam 2 are low-alloy high-tensile structural steel.The rear frame of utility model is with low conjunction
Golden high intensity mechanism steel is material, simple and strong in structure, intensity is good, light-weight using the cantilever frame structure of welding fabrication, and
And good mounting platform is provided for other components.
The rear frame of the utility model can be used as the basic platform of Wind turbines, according to different load of wind turbine generator and match
Set demand, in the case where not changing rear frame topological structure, by being locally adjusted to rear frame, for example, change wall thickness,
Increase and decrease top boss 14 etc. reaches a type and is mostly used, so that rear frame has good versatility.
Although the utility model has been disclosed with preferred embodiment as above, it is not intended to limit the utility model.It is any
Those skilled in the art, in the case where not departing from technical solutions of the utility model range, all using the disclosure above
Technology contents many possible changes and modifications are made to technical solutions of the utility model, or be revised as the equivalent of equivalent variations
Embodiment.Therefore, all contents without departing from technical solutions of the utility model, according to the utility model technical spirit to the above reality
Any simple modifications, equivalents, and modifications that example is done are applied, should all be fallen in the range of technical solutions of the utility model protection.
Claims (12)
1. a kind of rear frame of wind power generation unit, it is characterised in that: including two girders (1) and be set between two girders (1)
For connecting the crossbeam (2) of two girders (1), girder (1) the distance between the upper surface and lower end surface are from front to back
It is gradually reduced, the crossbeam (2) is set as three, wherein one is located at the rear end end of girder (1), in addition two are located at girder
(1) among front and rear end, multiple installations are equipped in the region that surrounds between intermediate two crossbeams (2) and two girders (1)
Block (3) surrounds a U-shaped cavity between two girders (1) and the crossbeam (2) for leaning on front end for installing wind-driven generator
(4), for installing gear-box, the mounting blocks (3) are located at the upper surface of girder (1) or crossbeam (2), under the crossbeam (2)
Surface is inner concave (5).
2. rear frame of wind power generation unit according to claim 1, it is characterised in that: the girder (1) is to include by pushing up
The I-beam that plate (6), bottom plate (7) and vertical plate (8) are constituted is equipped with multiple reinforcing ribs (9) between the top plate (6) and bottom plate (7),
The vertical plate (8) is equipped with multiple lightening holes (10).
3. rear frame of wind power generation unit according to claim 2, it is characterised in that: the top plate (6) has outward
The outer portion (11) of extension, for constituting maintenance passageway.
4. rear frame of wind power generation unit according to claim 2, it is characterised in that: on the vertical plate (8) of the girder (1)
Equipped with the escape device mounting portion (12) for installing escape device.
5. rear frame of wind power generation unit according to any one of claims 1 to 4, it is characterised in that: the girder (1)
Angle between upper surface and lower surface is α, is met: 3 °≤α≤5 °.
6. rear frame of wind power generation unit according to any one of claims 1 to 4, it is characterised in that: the girder (1)
The lifting lug (13) for lifting is equipped at the crossbeam (2) for leaning on front end.
7. rear frame of wind power generation unit according to any one of claims 1 to 4, it is characterised in that: the girder (1)
Upper surface be equipped with top boss (14) for installing wind power generating set column and resilient support, the top boss (14)
Upper surface be inclined-plane.
8. rear frame of wind power generation unit according to any one of claims 1 to 4, it is characterised in that: close to girder (1)
The lower surface of two crossbeams (2) of rear end is equipped with the cable clamp mounting hole (15) for installing cable bridge.
9. rear frame of wind power generation unit according to any one of claims 1 to 4, it is characterised in that: the rear frame
Further include passageway platform installation beams (16), the passageway platform installation beams (16) setting is multiple, be located at the upper surface of girder (1) with
Between lower surface, the passageway platform installation beams (16) are welded on girder (1) and/or crossbeam (2).
10. rear frame of wind power generation unit according to any one of claims 1 to 4, it is characterised in that: the girder
(1) the control cabinet pedestal (17) for installing engine room control cabinet is additionally provided on, the girder (1) sets at control cabinet pedestal (17)
Have tie pole (18), and tie pole (18) is fixed on girder (1) between upper surface and lower surface.
11. rear frame of wind power generation unit according to any one of claims 1 to 4, it is characterised in that: the girder
(1) forward end is equipped with the flanged plate (19) for connection.
12. rear frame of wind power generation unit according to any one of claims 1 to 4, it is characterised in that: the girder
It (1) is low-alloy high-tensile structural steel with crossbeam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821095723.4U CN208456785U (en) | 2018-07-11 | 2018-07-11 | A kind of rear frame of wind power generation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821095723.4U CN208456785U (en) | 2018-07-11 | 2018-07-11 | A kind of rear frame of wind power generation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208456785U true CN208456785U (en) | 2019-02-01 |
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ID=65171352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821095723.4U Active CN208456785U (en) | 2018-07-11 | 2018-07-11 | A kind of rear frame of wind power generation unit |
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| Country | Link |
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| CN (1) | CN208456785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425353A (en) * | 2020-03-12 | 2020-07-17 | 许昌许继风电科技有限公司 | Rear frame assembly of wind generating set |
-
2018
- 2018-07-11 CN CN201821095723.4U patent/CN208456785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425353A (en) * | 2020-03-12 | 2020-07-17 | 许昌许继风电科技有限公司 | Rear frame assembly of wind generating set |
| CN111425353B (en) * | 2020-03-12 | 2021-07-16 | 许昌许继风电科技有限公司 | Rear frame assembly of wind generating set |
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