CN102996368B - Engine room truss of wind generation set - Google Patents
Engine room truss of wind generation set Download PDFInfo
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- CN102996368B CN102996368B CN201210554736.4A CN201210554736A CN102996368B CN 102996368 B CN102996368 B CN 102996368B CN 201210554736 A CN201210554736 A CN 201210554736A CN 102996368 B CN102996368 B CN 102996368B
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- side frame
- longeron
- wind turbine
- frame
- pillar
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Abstract
The invention discloses an engine room truss of a wind generation set. The engine room truss comprises a left side frame, a right side frame, a front beam, a back beam and more than one middle beam, wherein the front end of the left side frame is connected with the front end of the right side frame through the front beam; the back end of the left side frame is connected with the back end of the right side frame through the back beam; and the middle beams are bridged between the left side frame and the right side frame. According to the engine room truss, a triangular support and an inclined strut are used for being connected with the bottom of a support; the improvement comes from a load transmitting path of a traveling car and an engine room cover; and the left side frame and the right side frame in bilateral symmetry are connected by the middle beams, so that the stability of the whole engine room truss is greatly improved and the wind loading resistance action is obvious.
Description
Technical field
The present invention relates to technical field of wind power, particularly relate to a kind of wind turbine cabin truss.
Background technique
Wind-powered electricity generation is as a kind of clean energy resource, and the exploitation of the wind-powered electricity generation energy constantly promotes Wind turbines to maximization, specialized direction development.Along with the increasing of Wind turbines single-machine capacity, the volume and weight being placed in the parts such as the Transmitted chains in cabin also increases thereupon, nacelle weight reflects the quality of whole Wind turbines design, and high-power wind turbine set engine room layout design is general comparatively compact, to optimize the supporting structures such as front and back frame.
In addition, generally maintenance crane assembling system need be configured to repair or replace when component break down in wind turbine cabin, high-power wind turbine unit, especially offshore type high-power wind turbine unit, for reducing maintenance cost and improving maintainable, be placed in the maintenance crane assembling system more employing bridge crane structure form of tight space in cabin, the support structure design of driving need consider the series of problems such as the utilization of bearing capacity, stability, cabin space and manufacturing process.
Authorization Notice No. be CN201851287U patent discloses a kind of truss member of wind generating set, be made up of two groups of one-sided component trusses, one-sided component truss comprises pillar, tiltedly holds support and light rail fixed plate, tiltedly holding support one end is fixed in the middle of pillar, the other end is fixed on light rail fixed plate, pillar is provided with bracket, for supporting and fixing engine room cover.During the larger component of this structure hoisting weight, bearing capacity is not enough, only can meet the load bearing requirements of little tonnage driving, and stability is bad, engine room cover side institute wind-engaging carry effect larger time, one-sided truss is yielding.Also have a kind of engine room frame structure of the large-tonnage bridge crane for supporting Liftable gear-box, it adopts welding procedure, meeting under the minimum arrangement requirement prerequisite of cabin space, can meet carrying and the connection request of driving.This structure forms because of integral solder, thus manufacture, transport and install all comparatively difficulty.
As can be seen here, nacelle lattice work of the prior art, use, structure exist significantly not enough and defect, urgently improve further, how to found a kind of requirement meeting large tonnage crane hoisting heavy, effectively alleviate and conduct oneself with dignity and reduce costs, and the obvious nacelle lattice work of wind load resistance effect, one of current important research and development problem of real genus.
Summary of the invention
The object of this invention is to provide a kind of wind turbine cabin truss, the load transfer path from engine room cover and driving can be optimized, improve its stability and wind load resistance effect, meet the requirement of large tonnage crane hoisting heavy, and convenient disassembly, weight reduction, cost reduces, thus overcomes the deficiencies in the prior art.
For solving the problems of the technologies described above, a kind of wind turbine cabin truss of the present invention, comprise left frame, left side frame, front-axle beam, the back rest and more than one intermediate beam, wherein: left frame front end connects the front end of left side frame by front-axle beam, the rear end of left frame connects the rear end of left side frame by the back rest, intermediate beam is connected across between left frame and left side frame.
As a further improvement on the present invention, the bottom of described left frame and left side frame, and be provided with yielding support seat with the joint of front-axle beam, intermediate beam, the back rest.
Described left frame comprises respectively with left side frame: the longeron be connected with front-axle beam, intermediate beam, the back rest; The two or more pillar of support stringer; Top is connected with longeron, and bottom connects the trivet of adjacent struts; And turn forward, bottom is connected with the pillar be positioned at foremost, the diagonal brace that top is connected with longeron.
Described pillar top is connected with one end of the back rest or intermediate beam.
Described longeron comprises longitudinal beam front section and longeron back segment, and the middle part of longitudinal beam front section and longeron back segment is all connected with intermediate beam.
Described pillar is provided with the top fixed interface of regulator cubicle and cooling unit.
Described longeron is provided with driving walking track installation interface.
Described trivet is provided with the top fixed interface of regulator cubicle and cooling unit.
Described front-axle beam is provided with the interface connecting cabin forebay.
Described left frame and left side frame symmetrical configuration.
After adopting above design, the present invention has following beneficial effect compared with the prior art:
1, the present invention adopts trivet and diagonal brace to be connected with posts bottom, can optimize the load transfer path from engine room cover and driving;
2, the present invention adopts intermediate beam to be connected by left and right side frame, whole nacelle lattice work stability is significantly promoted, makes wind load resistance successful;
3, the present invention's mode with bolts forms side frame and whole nacelle lattice work, make it manufacture, transport and dismounting more for convenience;
4, the present invention adopts longeron segmented mode structure, and make driving walking track deformation measure better control, whole nacelle lattice work is truss structure, while meeting bearing capacity needed for large tonnage crane hoisting heavy, effectively alleviates and conducts oneself with dignity and reduce cost;
5, nacelle lattice work structure of the present invention utilizes space, both sides in cabin, while adapting to compact type Arrangement of Engine-room, for the working space providing and can cover whole cabin is set up in maintenance lifting, this truss structure can be regulator cubicle and cooling unit etc. and provides preferably top fixed interface, thus prevents from waving the damage causing device.
Below by drawings and Examples, technological scheme of the present invention is described in further detail.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solution of the present invention, and in order to better understand the present invention, below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Fig. 1 is the structural representation of nacelle lattice work first embodiment of the present invention.
Fig. 2 is the structural representation of nacelle lattice work second embodiment of the present invention.
Fig. 3 is the Space Layout Structure schematic diagram of nacelle lattice work of the present invention in compact type cabin.
Fig. 4 is the partial enlargement structural representation at I place in Fig. 2.
Fig. 5 is the partial enlargement structural representation at II place in Fig. 2.
Fig. 6 is the partial enlargement structural representation at III place in Fig. 2.
Fig. 7 is the partial enlargement structural representation at IV place in Fig. 2.
Fig. 8 is the partial enlargement structural representation at V place in Fig. 2.
Fig. 9 is the partial enlargement structural representation at VI place in Fig. 2.
Embodiment
Refer to shown in Fig. 1, Fig. 2, Fig. 3, a kind of wind turbine cabin truss of the present invention, comprises left frame 1, left side frame 2, front-axle beam 3, the back rest 5 and more than one intermediate beam 4.Wherein, left frame 1 front end connects the front end of left side frame 2 by front-axle beam 3, and the rear end of left frame 1 connects the rear end of left side frame 2 by the back rest 5, and middle 4 girder spans are connected between left frame 1 and left side frame 2.
Furthermore, the present invention also comprises yielding support seat 6, this yielding support seat 6 can be arranged on the bottom of left frame 1 and left side frame 2, and left frame 1, left side frame 2 and front-axle beam 3, intermediate beam 4, the back rest 5 joint, the square plate of corner band screw as shown in Figure 5 can be adopted, and with coordinating of screw, yielding support is installed by screw, nut.
Left frame 1 of the present invention and left side frame 2 form primarily of longeron, pillar, trivet and diagonal brace respectively.Wherein, longeron is connected with front-axle beam 3, intermediate beam 4, the back rest 5.Pillar is respectively two or more, for support stringer, installs yielding support, and be connected with the engine room cover of Wind turbines by the yielding support seat 6 be arranged on bottom it.The top of trivet is connected with longeron, and two ends, bottom connect the bottom of adjacent struts respectively.Diagonal brace turns forward, and bottom is connected with the posts bottom be positioned at foremost, and top is connected with longeron.
Specifically, longeron can be the one-part form structure shown in Fig. 1, also can be assembled by connecting plate, bolt by more than longitudinal beam front section 14 and one longeron back segment 15 as shown in Figure 2, and longitudinal beam front section 14 is all connected with intermediate beam 4 with the middle part of longeron back segment 15.The quantity of pillar and setting position are to correspond to suitable with intermediate beam 4, the back rest 5, and each pillar top is connected with one end of the back rest 5 or intermediate beam 4 respectively, the rational height of intermediate beam 4 need meet driving by requiring.Left frame 1 forms with being mutually called the best with the structure of left side frame 2.
In addition, the present invention also can arrange the top fixed interface of regulator cubicle and cooling unit etc. on pillar and/or trivet, longeron arranges driving walking track installation interface, and on front-axle beam 3, arranges the interface connecting cabin forebay.Above-mentioned interface can need design according to installation, such as, simply can adopt circular mounting platform as shown in Figure 4, and on platform, offer the mode of structure of four mounting holes.
Embodiment one
Shown in Fig. 1, the nacelle lattice work of one-part form longeron of the present invention comprises left frame 1, left side frame 2, front-axle beam 3, intermediate beam 4, the back rest 5 and yielding support seat 6, and left frame 1 and left side frame 2 are symmetrical set.
Wherein, left frame 1 comprises pillar 11, trivet 12, diagonal brace 13 and longeron; Corresponding, left side frame 2 comprises pillar 21, trivet 22, diagonal brace 23 and longeron, and in the present embodiment, longeron is one section, and trivet 12 or trivet 22 quantity are respectively one, and intermediate beam 4 magnitude setting is one.
Embodiment two
Refer to shown in Fig. 2, nacelle lattice work comprises left frame 1, left side frame 2, front-axle beam 3, intermediate beam 4, the back rest 5 and yielding support seat 6, left frame 1 and left side frame 2 symmetrical.
Wherein, left frame 1 comprises pillar 11, trivet 12, diagonal brace 13, longitudinal beam front section 14 and longeron back segment 15; Corresponding, left side frame 1 comprises pillar 21, trivet 22, diagonal brace 23, longitudinal beam front section 24 and longeron back segment 25.In the present embodiment, longeron is divided into longitudinal beam front section and longeron back segment, and trivet 12 and trivet 22 magnitude setting are two, and intermediate beam 4 magnitude setting is two.
Refer to shown in Fig. 4, front-axle beam of the present invention is provided with frame connection interface, for fixing truss front end.Refer to shown in Fig. 5, intermediate beam cross-over connection interface structure of the present invention, yielding support seat 6 is fixedly connected with intermediate beam 4, and intermediate beam 4 is fixedly connected with pillar 21 by bolt, and longeron is fixedly connected with pillar 21.Refer to shown in Fig. 6, the back rest of the present invention and left side frame connection interface structure, yielding support seat 6 is fixedly connected with longeron 25, and longeron 25 is fixedly connected with pillar 21 with the back rest 5 respectively.Refer to shown in Fig. 7, diagonal brace of the present invention, trivet and pillar connection interface structure, trivet 12 bottom, diagonal brace 13, pillar 11 and elastic base 6 are fixedly connected with.Refer to shown in Fig. 8, longitudinal beam front section of the present invention, longeron back segment and trivet connection interface structure, longitudinal beam front section 14, longeron back segment 15 are bolted to connection, and are fixedly connected with trivet 12 top respectively.Refer to shown in Fig. 9, trivet of the present invention and pillar connection interface structure, the bottom of adjacent two trivets 12, root and the yielding support seat 6 of pillar 11 are fixedly connected with.
A kind of wind turbine cabin truss of the present invention, meets its lifting within the scope of whole cabin mainly as supporting high-power wind turbine set engine room maintenance travelling crane and safeguards, support and fixing engine room cover, regulator cubicle and cooling unit etc. simultaneously.
The above; it is only preferred embodiment of the present invention; not do any pro forma restriction to the present invention, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.
Claims (9)
1. a wind turbine cabin truss, is characterized in that comprising left frame, left side frame, front-axle beam, the back rest and more than one intermediate beam, wherein:
Left frame front end connects the front end of left side frame by front-axle beam, and the rear end of left frame connects the rear end of left side frame by the back rest, intermediate beam is connected across between left frame and left side frame;
The bottom of described left frame and left side frame, and be provided with yielding support seat with the joint of front-axle beam, intermediate beam, the back rest.
2. wind turbine cabin truss according to claim 1, is characterized in that described left frame and left side frame comprise respectively:
The longeron be connected with front-axle beam, intermediate beam, the back rest;
The two or more pillar of support stringer;
Top is connected with longeron, and bottom connects the trivet of adjacent struts; And
Turn forward, bottom is connected with the pillar be positioned at foremost, the diagonal brace that top is connected with longeron.
3. wind turbine cabin truss according to claim 2, is characterized in that described pillar top is connected with one end of the back rest or intermediate beam.
4. wind turbine cabin truss according to claim 2, it is characterized in that described longeron comprises longitudinal beam front section and longeron back segment, the middle part of longitudinal beam front section and longeron back segment is connected to intermediate beam.
5. wind turbine cabin truss according to claim 2, is characterized in that described pillar is provided with the top fixed interface of regulator cubicle and cooling unit.
6. wind turbine cabin truss according to claim 2, is characterized in that described longeron is provided with driving walking track installation interface.
7. wind turbine cabin truss according to claim 2, is characterized in that described trivet is provided with the top fixed interface of regulator cubicle and cooling unit.
8. wind turbine cabin truss according to claim 1, is characterized in that described front-axle beam is provided with the interface connecting cabin forebay.
9. the wind turbine cabin truss according to any one of claim 1-8, is characterized in that described left frame and left side frame symmetrical configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210554736.4A CN102996368B (en) | 2012-12-19 | 2012-12-19 | Engine room truss of wind generation set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210554736.4A CN102996368B (en) | 2012-12-19 | 2012-12-19 | Engine room truss of wind generation set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102996368A CN102996368A (en) | 2013-03-27 |
| CN102996368B true CN102996368B (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210554736.4A Active CN102996368B (en) | 2012-12-19 | 2012-12-19 | Engine room truss of wind generation set |
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| CN (1) | CN102996368B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329227B (en) * | 2014-08-28 | 2017-03-15 | 太原重工股份有限公司 | A kind of frame structure of generating set |
| EP3475561B1 (en) * | 2016-06-22 | 2020-10-14 | Vestas Wind Systems A/S | A wind turbine nacelle comprising a rear frame structure with flexible joints |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2047099A1 (en) * | 2006-07-14 | 2009-04-15 | Vestas Wind Systems A/S | Wind turbine comprising enclosure structure formed as a faraday cage |
| EP2317137B1 (en) * | 2009-11-02 | 2012-07-25 | General Electric Company | Configuration of a wind turbine nacelle |
| US8591186B2 (en) * | 2009-11-17 | 2013-11-26 | Vestas Wind Systems A/S | Nacelle for wind turbine |
| CN201746245U (en) * | 2010-07-27 | 2011-02-16 | 三一电气有限责任公司 | Aerogenerator unit and maintenance crane thereof |
| CN201851287U (en) * | 2010-11-23 | 2011-06-01 | 南车株洲电力机车研究所有限公司 | Truss member of wind generating set |
| CN202449761U (en) * | 2012-02-27 | 2012-09-26 | 华仪风能有限公司 | Hoister in cabin and wind generating set applying same |
| CN202991363U (en) * | 2012-12-19 | 2013-06-12 | 国电联合动力技术有限公司 | Truss for cabins in wind turbine generators |
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2012
- 2012-12-19 CN CN201210554736.4A patent/CN102996368B/en active Active
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| CN102996368A (en) | 2013-03-27 |
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