CN113175417A - Wind turbine generator system lattice type tower capable of recovering energy consumption and enhancing energy consumption capacity - Google Patents
Wind turbine generator system lattice type tower capable of recovering energy consumption and enhancing energy consumption capacity Download PDFInfo
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- CN113175417A CN113175417A CN202110409579.7A CN202110409579A CN113175417A CN 113175417 A CN113175417 A CN 113175417A CN 202110409579 A CN202110409579 A CN 202110409579A CN 113175417 A CN113175417 A CN 113175417A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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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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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a wind turbine generator latticed fan tower frame with the enhanced recoverable energy consumption capability, which comprises a tower frame main rod, a tower frame transverse supporting rod, a tower frame inclined supporting rod, a connecting end plate and at least two structural units, wherein each structural unit comprises two T-shaped steels, the two T-shaped steels are parallel to each other and can vertically move mutually, each T-shaped steel is welded with the end part of the tower frame transverse supporting rod, two friction outer plates which are in sliding friction with the two T-shaped steels are arranged on two sides of a web plate in the same direction of the two T-shaped steels, and the two friction outer plates are connected with the T-shaped steels through an elastic reset assembly. The energy dissipation function is achieved through the friction sliding between the web plate of the T-shaped steel and the friction outer plate, the self-resetting function is achieved through the elastic resetting component, the integral energy dissipation function and the restorable function of the tower are enhanced through the mutual transverse interlocking mechanism of the T-shaped steel and the friction inner plate, and the anti-seismic requirements of different levels can be met.
Description
Technical Field
The invention belongs to the field of civil engineering, and relates to a wind turbine generator lattice tower capable of recovering energy consumption and enhancing energy consumption capacity.
Background
Environmental pollution and resource shortage have all been the global problems to be solved urgently, the wind power energy receives more and more attention as clean energy, the pylon is as the bearing structure of wind turbine generator system, and its bearing capacity and atress performance directly influence the security and the stability of wind turbine generator system in the operation process. On one hand, the energy consumption mode is inconvenient for accurately positioning the damage position and difficult to evaluate the damage condition of the structure; on the other hand, the maintenance cost after the earthquake is high, and the whole rod piece is often required to be replaced; in addition, the bar member may have residual deformation after plastic deformation, which may also adversely affect the overall stress performance of the structure.
Under the background, a recoverable functional structure can be produced, and the structure can recover the use function without repairing or slightly repairing after an earthquake. The recoverable functional structure is applied to the lattice tower of the wind turbine generator, and the energy consumption capability of the lattice tower is greatly improved on the premise of not obviously increasing the construction cost.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a wind turbine generator lattice tower with enhanced recoverable energy consumption capability, which is used for solving the problem that building components are difficult to recover due to severe deformation after earthquake in the prior art.
In order to achieve the above and other related purposes, the invention provides a wind turbine generator lattice tower with enhanced restorable energy consumption capability, which comprises a tower main rod, a tower cross rod, a tower inclined rod, a connecting end plate and at least two structural units, wherein each structural unit comprises two T-shaped steels, the two T-shaped steels are parallel to each other and can vertically move mutually, each T-shaped steel is welded with the end part of the tower cross rod, two friction outer plates which are in sliding friction with the two T-shaped steels are arranged on two sides of a web plate in the same direction of the two T-shaped steels, and the two friction outer plates are connected with the T-shaped steels through an elastic reset assembly.
Further, the pylon cross strut includes two limit cross struts and a well cross strut, and the one end of limit cross strut reserves the cross strut bolt hole, the one end of pylon oblique strut reserves the oblique strut bolt hole.
Further, the connecting end plates comprise an L1-shaped end plate, an L2-shaped end plate, a rectangular end plate and a pentagonal end plate, and L1 bolt holes and L2 bolt holes are reserved in the two limbs of the L1-shaped end plate and the L2-shaped end plate respectively; a first end plate bolt hole is reserved in the rectangular end plate; and a second end plate bolt hole is reserved in the pentagonal end plate.
Further, the bolt holes of the transverse struts are connected with the bolt holes of the L1 through bolts, and the L1-shaped end plate is welded with the main tower rod so that the side transverse struts are connected with the main tower rod; the bolt holes of the oblique supporting rods are connected with the bolt holes of the L2 through bolts, and the L2-shaped end plate is welded with the main tower rod so that the oblique supporting rods of the tower are connected with the main tower rod; first end plate bolt hole carries out bolted connection with the second end plate bolt hole, rectangle end plate and pentagon end plate weld with pylon oblique supporting rod and limit cross strut respectively to make pylon oblique supporting rod be connected with limit cross strut.
Furthermore, the elastic reset assembly comprises a high-strength bolt and a disc-shaped gasket, the high-strength bolt connects the two friction outer plates to a web of the T-shaped steel, and the disc-shaped gasket is pressed on the friction outer plates by the high-strength bolt.
Furthermore, a plurality of vertical sliding grooves are formed in the web plate of the T-shaped steel at intervals, a plurality of outer plate bolt holes are correspondingly formed in the friction outer plate, and the elastic reset assembly is connected to the outer plate bolt holes and the transverse sliding grooves.
Furthermore, two sides of a web plate of the T-shaped steel are provided with first friction surfaces, one side of the friction outer plate, which is opposite to the web plate of the T-shaped steel, is provided with second friction surfaces, and the first friction surfaces and the second friction surfaces are mutually staggered and embedded; the first friction surface and the second friction surface are both provided with a friction slope surface section and a friction plane section, and the friction coefficient value of the T-shaped steel and the friction outer plate is smaller than the tangent value of the inclination angle of the friction slope surface section.
Furthermore, a plurality of the structural units are sequentially connected with side transverse supporting rods and middle transverse supporting rods in the vertical direction, and the side transverse supporting rods share one tower main rod.
As described above, the wind turbine generator lattice tower with enhanced recoverable energy consumption capability of the invention has the following beneficial effects:
(1) the invention is convenient for maintenance and safety evaluation after earthquake. The traditional lattice tower structure of the wind turbine generator consumes earthquake energy through plastic deformation of the rod pieces, and due to the fact that plastic deformation is not concentrated, difficulty is caused to safety assessment work after an earthquake, and maintenance cost is increased. The friction sliding between the T-shaped steel and the friction outer plate is used for dissipating energy, and the deformation of the tower is concentrated in the friction energy dissipation section, so that other areas on the tower are not damaged or are less damaged.
(2) The invention effectively enhances the integral energy consumption function and the recoverable function of the tower frame on the premise of not increasing the cost of steel for the supporting rod obviously. And a three-section type deformation mechanism is adopted in the supporting rods, namely, shearing deformation in the middle of the transverse supporting rods is replaced by mutual dislocation deformation between the two side transverse supporting rods and one middle transverse supporting rod, and the deformation mode adopted by the invention has a large elastic deformation range on the premise that the elastic deformation capability of the elastic reset assembly is ensured.
(3) The invention plays a role of energy consumption through the friction sliding between the web plate of the T-shaped steel and the friction outer plate, and realizes the self-resetting function through the elastic restoring force of the elastic resetting component. According to the invention, the shearing deformation of the middle part of the transverse supporting rod is converted into the mutual dislocation of the four T-shaped steels, the friction force between the friction outer plate and the T-shaped steels can be changed through the number and the pretightening force of high-strength bolts in the elastic reset assembly, the angle and the friction coefficient of the friction slope surface section, the self-resetting capability can be adjusted through the serial connection and the parallel connection of a plurality of disc-shaped gaskets, and the controllability of the energy consumption function and the restorable function is realized.
(4) The invention is suitable for industrial production and manufacture and is simple to install on site. All components of the invention do not relate to a more complex processing technology, and are convenient for batch production, thereby effectively reducing the production cost and having good economic benefit. All components are connected through bolts and are assembled in a welding mode, construction is facilitated, and meanwhile construction quality is improved.
Drawings
Fig. 1 is a three-dimensional structure diagram of a wind turbine generator lattice tower with enhanced recoverable energy consumption capability according to an embodiment of the present invention;
FIG. 2 is a front view of a wind turbine generator lattice tower with enhanced recoverable energy consumption capability according to an embodiment of the present invention;
FIGS. 3a and 3b are a perspective view and a front view of a tower of one of the layers of FIG. 2;
FIGS. 4a, 4b, 4c and 4d are perspective views of the L1-shaped end plate, the L2-shaped end plate, the rectangular end plate and the pentagonal end plate of FIG. 3a, respectively;
FIGS. 5a, 5b and 5c are perspective views of the side cross brace, the middle cross brace and the tower tilt brace of FIG. 3a, respectively;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 3 b;
FIGS. 7a and 7b are a perspective view and a front view of the T-section steel of FIG. 6;
FIGS. 8a and 8b are a perspective view and a left side view of the friction outer plate of FIG. 6;
FIG. 9 is a schematic diagram of the operation of the present invention when a tower is shifted to the left;
FIG. 10 is a schematic diagram of the operation of one layer of the tower according to the present invention when it is displaced to the right;
FIG. 11 is a front view of the cross-bar of FIG. 9;
FIG. 12 is a front view of the cross bar of FIG. 10;
FIG. 13 is a cross-sectional view taken along line B-B of FIG. 11;
fig. 14 is a cross-sectional view taken along line C-C of fig. 12.
Description of the reference numerals
1-a wind turbine; 2-a tower main rod; 3-a tower cross strut; 31-side cross strut; 311-cross strut bolt holes; 32-middle cross strut; 4-a tower diagonal strut; 41-oblique strut bolt holes;
5-connecting the end plate; a 51-L1 shaped end plate; 511-L1 bolt holes; end plates in the shape of 52-L2; 521-L2 bolt holes; 53-rectangular end plates; 531-first end plate bolt holes; 54-pentagonal end plate; 541-second end plate bolt holes;
6-T section steel; 61-a first friction face; 611 — a first friction plane segment; 612-a first friction ramp segment; 62-vertical chutes;
7-friction outer plates; 71-a second friction face; 711-second friction plane segment; 712-a second friction ramp segment; 72-outer plate bolt holes;
8-an elastic reset component; 81-high strength bolt; 82-butterfly shim.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1 to 8b, the invention provides a wind turbine generator lattice tower with enhanced restorable energy consumption capability, in the embodiment, the tower has eight layers, each layer of tower comprises four tower main rods 2, four tower cross support rods 3, eight tower inclined support rods 4, a plurality of connecting end plates 5 and eight structural units, each structural unit comprises two T-shaped steels 6, the two T-shaped steels 6 are parallel to each other and can move vertically, each T-shaped steel 6 is welded with the end of the tower cross support rod 3, two friction outer plates 7 in sliding friction with the two T-shaped steels 6 are arranged on two sides of a web plate in the same direction of the two T-shaped steels 6, and the two friction outer plates 7 are connected with the T-shaped steels 6 through elastic reset components 8.
Specifically, the energy is absorbed through the friction sliding between the web plate of the T-shaped steel 6 and the friction outer plate 7 to play the energy consumption role, and the self-resetting function is realized through the elastic restoring force of the elastic resetting component 8. In addition, the invention adopts a three-section type deformation mechanism, namely, the shearing deformation of the middle part of the transverse strut 3 is realized through the mutual dislocation of the two side transverse struts 31 and the middle transverse strut 32, and the deformation capability of the transverse strut is improved.
In this embodiment, the tower cross strut 3 includes two side cross struts 31 and a middle cross strut 32, a cross strut bolt hole 311 is reserved at one end of the side cross strut 31, and a diagonal strut bolt hole 41 is reserved at one end of the tower diagonal strut 4.
In this embodiment, the connecting end plates include an L1-shaped end plate 51, an L2-shaped end plate 52, a rectangular end plate 53 and a pentagonal end plate 54, and the L1-shaped end plate 51 and the L2-shaped end plate 52 are respectively reserved with an L1 bolt hole 511 and an L2 bolt hole 521 on two limbs thereof; a first end plate bolt hole 531 is reserved in the rectangular end plate 53; a second end plate bolt hole 541 is reserved in the pentagonal end plate 54.
The cross strut bolt holes 311 are connected with the bolt holes 511 of L1 by bolts, and the L1-shaped end plate 51 is welded with the tower main rod 2, so that the side cross strut 31 is connected with the tower main rod 2; the oblique strut bolt hole 41 is connected with the L2 bolt hole 521 through a bolt, and the L2-shaped end plate 52 is welded with the tower main rod 2 so as to connect the tower oblique strut 4 with the tower main rod 2; the first end plate bolt holes 521 are connected with the second end plate bolt holes 541 through bolts, and the rectangular end plate 53 and the pentagonal end plate 54 are respectively welded with the tower oblique strut 4 and the side cross strut 31, so that the tower oblique strut 4 is connected with the side cross strut 31.
The elastic reset assembly 8 comprises a high-strength bolt 81 and a disc-shaped gasket 82, the high-strength bolt 81 connects the two friction outer plates 7 to a web plate of the T-shaped steel 6, and the disc-shaped gasket 82 is pressed on the friction outer plates 7 through the high-strength bolt 81. The disk-shaped gaskets 82 can be connected in series or in parallel to enhance the elastic restoring force of the disk-shaped gaskets 82.
The web plate of the T-shaped steel 6 is provided with a plurality of vertical sliding grooves 62 at intervals, the friction outer plate 7 is correspondingly provided with a plurality of outer plate bolt holes 72, and the elastic reset assembly 8 is connected to the outer plate bolt holes 72 and the transverse sliding grooves 62. In this embodiment, 3 vertical sliding grooves 62 have been seted up on the web of every T shaped steel 6, correspondingly, be provided with 3 groups of friction planking bolt holes 72 on the friction planking 7, every group planking bolt hole 72 includes 2 planking bolt holes, corresponds to vertical sliding grooves 62 on two left and right T shaped steels 6 respectively. With the structure, the high-strength bolt 81 can slide in the vertical sliding groove 62, so that the vertical displacement is generated between the friction outer plate 7 and the T-shaped steel 6.
First friction surfaces 61 are arranged on two sides of a web plate of the T-shaped steel 6, second friction surfaces 71 are arranged on one sides of the friction outer plates 7 opposite to the web plate 6 of the T-shaped steel, and the first friction surfaces 61 and the second friction surfaces 71 are mutually staggered and embedded; the first friction surface 61 and the second friction surface 71 both have friction slope surface sections and friction plane sections, and the friction coefficient value of the T-shaped steel 6 and the friction outer plate 7 is smaller than the tangent value of the inclination angle of the friction slope surface sections.
In this embodiment, the first friction surface 61 includes a first friction plane segment 611 and a first friction slope segment 612, and the first friction slope segment 612 is connected between the two first friction plane segments 611 in an up-and-down state; the second friction surface 71 includes a second friction plane section 711 and a second friction slope section 712, and the second friction slope section 712 is connected between the two second friction plane sections 711 and is in an undulated state. The first friction plane section 611 corresponds to the second friction plane section 711, and the first friction slope section 612 corresponds to the second friction slope section 712, which are in staggered up-and-down engagement. The structure ensures the friction sliding between the friction outer plate 7 and the web plate of the T-shaped steel 6, thereby playing the role of absorbing energy consumption.
The invention realizes the controllability of the energy consumption function and the restorable function of the lattice tower of the wind turbine generator. Specifically, the friction force between the friction outer plate 7 and the T-shaped steel 6 can be changed by adjusting the number and pretightening force of the high-strength bolts 81 and the angle and friction coefficient of the friction slope surface section, and the self-resetting capability can be adjusted by connecting a plurality of disc-shaped gaskets 82 in series and in parallel, so that the structure can meet the anti-seismic requirements of different levels.
In addition, in another embodiment of the invention, a plurality of layers of towers can be provided, and a plurality of structural units are connected with side transverse struts and middle transverse struts in sequence in the vertical direction, and the side transverse struts share one tower main rod.
All the components in the invention are assembled by bolt connection and welding, so that the invention is convenient for batch production in factories and has good economic benefit.
The working principle of the invention is as shown in fig. 9 to 14, the tower of the invention can be laterally deformed when being subjected to the left and right action of the transverse load, taking one layer of the tower as an example, the main rod 2 of the tower is inclined, so that the side transverse strut 31 and the middle transverse strut 32 are mutually dislocated, and further the two opposite T-shaped steels 6 are mutually dislocated, and the friction sliding of the friction outer plate 7 and the T-shaped steel 6 plays a role in energy consumption in the process. Because the sliding friction surface has a friction slope surface section, the distance between the T-shaped steel 6 and the friction outer plate 7 is increased, and then the disc-shaped gasket 82 sleeved on the high-strength bolt 81 is extruded, and part of seismic energy is stored in the disc-shaped gasket 82 in the form of elastic deformation energy. When the transverse load disappears or weakens, the elastic deformation in the disc-shaped gasket 82 can be released, and the elastic extrusion force can overcome the sliding friction force between the web plate of the T-shaped steel 6 and the friction outer plate 7, so that the structure returns to the initial position again, and therefore, the structure effectively integrates the friction energy consumption and the self-resetting function.
In conclusion, in the lattice tower frame with the enhanced recoverable energy consumption capability, provided by the embodiment of the invention, the energy consumption function is realized through the friction sliding between the web plate of the T-shaped steel and the friction outer plate, the self-resetting function is realized through the elastic restoring force of the elastic resetting component, and the friction energy consumption function and the self-resetting function are effectively combined; on the premise of not increasing the cost of steel for the tower frame obviously, the energy consumption function and the restorable function of the frame beam are effectively enhanced; all components do not relate to a complex processing technology, and the method is convenient for batch production, thereby effectively reducing the production cost, having good economic benefit and being beneficial to popularization.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. A wind turbine generator system lattice tower capable of recovering energy consumption and enhancing energy consumption is characterized in that: including pylon mobile jib, pylon cross strut, pylon oblique branch, connection end plate and two at least constitutional units, this constitutional unit includes two T shaped steel, and two T shaped steel are parallel to each other and can vertical removal each other, and every T shaped steel all welds with pylon cross strut tip, and the syntropy web both sides of two T shaped steel are equipped with two friction planking rather than sliding friction, and two friction planking pass through elasticity reset assembly and are connected with T shaped steel.
2. The wind turbine generator lattice tower with enhanced recoverable energy consumption capability of claim 1, wherein: the pylon cross strut includes two limit cross struts and a well cross strut, and the one end of limit cross strut has reserved the cross strut bolt hole, the one end of pylon oblique strut has reserved the oblique strut bolt hole.
3. The wind turbine generator lattice tower with enhanced recoverable energy consumption capability of claim 1, wherein: the connecting end plate comprises an L1-shaped end plate, an L2-shaped end plate, a rectangular end plate and a pentagonal end plate, and L1 bolt holes and L2 bolt holes are reserved on two limbs of the L1-shaped end plate and the L2-shaped end plate respectively; a first end plate bolt hole is reserved in the rectangular end plate; and a second end plate bolt hole is reserved in the pentagonal end plate.
4. The wind turbine generator lattice tower with enhanced recoverable energy consumption capability of claim 1, wherein: the bolt holes of the transverse struts are connected with the bolt holes of the L1 through bolts, and the L1-shaped end plate is welded with the main tower rod so that the side transverse struts are connected with the main tower rod; the bolt holes of the oblique supporting rods are connected with the bolt holes of the L2 through bolts, and the L2-shaped end plate is welded with the main tower rod so that the oblique supporting rods of the tower are connected with the main tower rod; first end plate bolt hole carries out bolted connection with the second end plate bolt hole, rectangle end plate and pentagon end plate weld with pylon oblique supporting rod and limit cross strut respectively to make pylon oblique supporting rod be connected with limit cross strut.
5. The wind turbine generator lattice tower with enhanced recoverable energy consumption capability of claim 1, wherein: the elastic reset assembly comprises a high-strength bolt and a disc-shaped gasket, the high-strength bolt connects the two friction outer plates to a web of the T-shaped steel, and the disc-shaped gasket is pressed on the friction outer plates by the high-strength bolt.
6. The wind turbine generator lattice tower with enhanced recoverable energy consumption capability of claim 3, wherein: a plurality of vertical sliding grooves are formed in the web plate of the T-shaped steel at intervals, a plurality of outer plate bolt holes are correspondingly formed in the friction outer plate, and the elastic reset assembly is connected to the outer plate bolt holes and the transverse sliding grooves.
7. The wind turbine generator lattice tower with enhanced recoverable energy consumption capability of claim 1, wherein: first friction surfaces are arranged on two sides of a web plate of the T-shaped steel, a second friction surface is arranged on one side, opposite to the web plate of the T-shaped steel, of the friction outer plate, and the first friction surfaces and the second friction surfaces are mutually staggered and embedded; the first friction surface and the second friction surface are both provided with a friction slope surface section and a friction plane section, and the friction coefficient value of the T-shaped steel and the friction outer plate is smaller than the tangent value of the inclination angle of the friction slope surface section.
8. The wind turbine generator lattice tower with enhanced recoverable energy consumption capability of any one of claims 1 to 7, wherein: a plurality of the structural units are sequentially connected with side transverse supporting rods and middle transverse supporting rods in the vertical direction, and the side transverse supporting rods share one tower main rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110409579.7A CN113175417B (en) | 2021-04-15 | 2021-04-15 | Wind turbine generator system lattice type tower frame capable of recovering energy consumption capability and enhancing energy consumption capability |
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| CN202110409579.7A CN113175417B (en) | 2021-04-15 | 2021-04-15 | Wind turbine generator system lattice type tower frame capable of recovering energy consumption capability and enhancing energy consumption capability |
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| CN113175417B CN113175417B (en) | 2023-03-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123463A (en) * | 2021-04-15 | 2021-07-16 | 重庆大学 | Steel frame capable of recovering energy consumption and enhancing energy consumption capacity |
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| CN113175417B (en) | 2023-03-21 |
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