CN206190456U - Draw prestressing force steel concrete combination formula tower frame of draught fan to one side - Google Patents
Draw prestressing force steel concrete combination formula tower frame of draught fan to one side Download PDFInfo
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- CN206190456U CN206190456U CN201621140127.4U CN201621140127U CN206190456U CN 206190456 U CN206190456 U CN 206190456U CN 201621140127 U CN201621140127 U CN 201621140127U CN 206190456 U CN206190456 U CN 206190456U
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- oblique pull
- prestressed cable
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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
-
- 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 relates to a draw prestressing force steel concrete combination formula tower frame of draught fan to one side, combination formula tower frame of the draught fan is by lower part reinforced concrete section of thick bamboo structure, draw prestressed cable, changeover portion, upper portion single tube steel cylinder structure to form to one side. Lower part reinforced concrete section of thick bamboo structure comprises straight section of thick bamboo section in bottom and top conversion section, external diameters such as the straight duan wei in bottom, etc. The annular reinforced concrete structure of wall thickness, the bottom is offered the door opening and is arranged the beaded finish, arrange a plurality of hoop prestressed cable, hoop equipartition a plurality of arc prestressed cable sleeve pipe in the top conversion section, the export of arc prestressing force sleeve pipe upper end is with vertical, and the lower extreme export is unanimous with the angle of drawing prestressed cable to one side. Draw to one side prestressed cable to lower part reinforced concrete section of thick bamboo structure prestress application improve a concrete section of thick bamboo cracking resistance, fatigue resistance can, also improve substructure's the stiffness greatly, draw prestressed cable to pass in pre -buried arc prestressing force sleeve pipe introduces a tower section of thick bamboo convenient tensioning anchorage and operation maintenance of drawing prestressed cable to one side in the conversion section of concrete bobbin top portion to one side.
Description
Technical field
The utility model belongs to wind turbine tower technical field of structures, and in particular to a kind of oblique pull prestress steel and coagulation
The box-like blower fan pylon of local soil type.
Background technology
It is single tube tower 1 that conventional wind power generation column is common, and its bottom is connected with basis 2, and the He of wind-driven generator 3 is installed at top
Wind wheel 4, the inside of tower 1 arrangement supplies the cat ladder of upper and lower traffic, the cable of transmission electric energy and other annexes etc., and the bottom of tower 1 opens up
Door opening simultaneously arranges reinforcing ring 5.Single tube steel tube structure 1 is made up of the connection of multiple welding cylinder section 6, using forging between each welding cylinder section 6
Make transverse flange 7 and flange bolt 8 is connected.
Conventional wind generating steel cylinder tower section negligible amounts, every section of tower is heavier, and transport and hoisting difficulty are larger；Work as wind
Acc power is larger, load is larger, it is desirable to when tower is relatively large in diameter, and larger-diameter full circle tower is by highway transportation height and width
Limitation is larger；Required to meet transport, lifting etc., when the less circular tower of diameter is used for high-power wind turbine unit, structure effect
Rate is relatively low, and economy is poor.
Reinforced concrete structure rigidity is big, good endurance, structural damping ratio are big, firm for improving wind-power generating unit tower
The damping ratio for spending, increasing pylon is highly beneficial.But ordinary reinforced concrete structure cracking resistance is poor, antifatigue load action performance
Worse, applying prestressing force to reinforced concrete structure can improve its bending rigidity, cracking resistance and anti-fatigue performance.
The content of the invention
The purpose of this utility model is to provide a kind of oblique pull prestress steel and the box-like blower fan pylon of coagulation local soil type.
The utility model proposes oblique pull prestress steel and the box-like blower fan pylon of coagulation local soil type, the combined fan pylon
It is made up of lower rebar concrete tube structure 9, oblique pull prestressed cable 10, changeover portion 11 and top single tube steel tube structure 12, wherein：
The bottom of the top single tube steel tube structure 12 is connected by forging transverse flange 7 with changeover portion 11, and top is installed
Wind-driven generator 3 and wind wheel 4, top single tube steel tube structure 12 are made up of several connections of welding cylinders section 6, adjacent welding cylinder section
Connected using forging transverse flange 7 and flange bolt 8 between 6；
The lower rebar concrete tube structure 9 is formed by connecting by bottom direct tube section 13 and top transformation segment 14, and bottom is straight
Cylinder section 13 using etc. external diameter, etc. wall thickness steel hoop concrete structure, its bottom offers door opening, and arranges reinforcing ring 5；Top
If arterial highway ring orientation prestress rope 15 has been evenly arranged in transformation segment 14, and ring has been evenly arranged several arc prestressing force nooses
Pipe 16, the upper end outlet direction of arc prestressed casing 16 is vertical, the angle one of lower end Way out and oblique pull prestressed cable 10
Cause；To tensioning groove after the stretch-draw anchor of ring orientation prestress rope 15（For ease of the groove that stretch-draw prestressing force rope is reserved）Grouting is taken to seal
Stifled 19；
The changeover portion 11 is made up of welding cylinder section 6, forging transverse flange 7 and lower anchor flange 26, several welding
Connected using forging transverse flange 7 and flange bolt 8 between cylinder section 6, the top of changeover portion 11 is by forging transverse flange 7, flange
Bolt 8 is connected with top single tube steel tube structure 12, and bottom in advance should by the anchoring flange perforate 27 on anchoring flange 26 with arc
The upper end outlet of power sleeve pipe 16 is corresponding；
The upper end of oblique pull prestressed cable 10 sequentially passes through the arc prestressed cable sleeve pipe 16, transition in the transformation segment 14 of top
The anchoring perforate 27 of 11 bottoms of section and upper anchorage 28, make changeover portion 11 be anchored at the top of lower rebar concrete tube structure 9；Tiltedly
The lower anchorage 29 of the lower end of prestressed cable 10 connection is drawn, and is connected with the anchor point 30 on ring beam 31.
In the utility model, the lower rebar concrete tube structure 9 can use cast in situs armored concrete entirety
Structure is formed, or precast assembly structure can be used.When using precast assembly structure, lower rebar concrete tube structure 9 is erected
To some standard knots 20 and conversion section 21 is divided into, two adjacent sections uses several grouted bolts 22 to connect to bear erection stage
Load, for convenience of the grouting construction of grouted bolts 22, steam vent 23 and grout hole 24 is set in its installation place；Each prefabricated section of top surface
Embedded lifting nut 25 is lifted by crane so as to erection stage.
In the utility model, ring orientation prestress rope 15 can use the special stretch-draw anchor of ring anchor 17, or predeterminable buttress 18
And to wearing ring orientation prestress rope 15, then stretch-draw anchor.
In the utility model, a ring beam 31 is arranged in basic 2 edge, and described basic 2 are located at lower rebar concrete
The underface of barrel structure 9, is evenly equipped with several drainpipes 33 in ring beam 31, and the top surface of ring beam 31 is uniformly arranged anchor point 30, phase with
Anchor point 30 and ring beam 31, the end on basis 2 are connected as entirety by the correspondence of arc prestressed casing 16, anchor point presstressed reinforcing steel 32.
In the utility model, the lower end of oblique pull prestressed cable 10 is anchored in basis 2 using lower anchor head 34.
In the utility model, needed inside lower rebar concrete tube structure 9, changeover portion 11, top single tube steel tube structure 12
Arrangement supplies the cat ladder of upper and lower traffic, the cable of transmission electric energy and other annexes etc..
The beneficial effects of the utility model are：
1. the utility model provides a kind of oblique pull prestress steel and the box-like blower fan pylon of coagulation local soil type, and pylon is by bottom steel
Reinforced concrete barrel structure and top single tube steel tube structure, lower rebar concrete tube structure are greatly improved rigidity and the resistance of pylon
Buddhist nun's ratio；Using oblique pull prestressed cable to lower rebar concrete tube structure apply prestressing force improve concrete tube cracking resistance,
Anti-fatigue performance, also greatly improves the integral rigidity of substructure；Transformation segment of the oblique pull prestressed cable at the top of concrete tube is worn
Cross pre-buried arc prestressed casing to introduce in tower, facilitate stretch-draw anchor and the operation maintenance of oblique pull prestressed cable.
2. the utility model is to the transformation segment arrangement ring orientation prestress rib at the top of concrete tube and applies prestressing force to resist
The radially outer component that oblique pull prestressed cable is produced, improves the cracking resistance and anti-fatigue performance of transformation segment.
3. the utility model lower rebar concrete tube structural style is simple, not by oblique pull prestressed cable and ring orientation prestress
The influence of rope arrangement, no matter using cast in situs overall structure or precast assembly structure, construction technology is relatively simple；Tower bottom
Portion opens up door opening not to be influenceed by oblique pull prestressed cable arrangement.
4. the utility model lower rebar concrete tube top smaller changeover portion of setting height(from bottom), can reach in bottom concrete
Changeover portion and tensioning oblique pull prestressed cable are lifted after intensity, bottom is formed integral rigidity, with facilitate top single tube steel tube structure,
The disposable lifting of generator, impeller.
Brief description of the drawings
Fig. 1 is conventional wind power generation column side view；
Fig. 2 is traditional tower forging transverse flange detail drawing；
Fig. 3 is oblique pull prestress steel and the box-like blower fan pylon side view of coagulation local soil type；
Fig. 4 is combined fan pylon changeover portion and concrete tube transformation segment connection detail drawing；
Fig. 5 is combined fan tower foundation top view；
Fig. 6 is anchoring flange detail drawing under combined fan pylon changeover portion；
Fig. 7 is the transformation segment detail drawing at the top of combined fan pylon concrete tube；
Fig. 8 is combined fan pylon precast concrete cylinder standard paragraphs top view；
Fig. 9 is directly anchored and basic detail drawing for combined fan pylon oblique pull prestressed cable；
Figure 10 is the anchoring of combined fan pylon oblique pull prestressed cable and basic ring beam detail drawing.
Label in figure：1 is tower, and based on 2,3 is generator, and 4 is wind wheel, and 5 is door opening, and 6 is welding cylinder section, and 7 is forging
Transverse flange is made, 8 is flange bolt, and 9 is lower rebar concrete tube structure, and 10 is oblique pull prestressed cable, and 11 is changeover portion, 12
It is top single tube steel tube structure, 13 is bottom direct tube section, and 14 is top transformation segment, and 15 is ring orientation prestress rope, and 16 is that arc is pre-
Stress sleeve pipe, 17 is special ring anchor, and 18 is buttress, and 19 is grout sealing, and 20 is standard knot, and 21 save for conversion, and 22 is grouting
Bolt, 23 is steam vent, and 24 is grout hole, and 25 is lifting nut, and 26 is lower anchor flange, and 27 is anchoring flange perforate, 28
It is upper anchorage, 29 is lower anchorage, and 30 is anchor point, and 31 is ring beam, and 32 is anchor point presstressed reinforcing steel, and 33 is drainpipe, and 34 is lower anchor head.
Specific embodiment
The utility model is further illustrated below by embodiment combination accompanying drawing：
Embodiment 1, shown in Fig. 3-Figure 10, the utility model proposes oblique pull prestress steel and the box-like blower fan tower of coagulation local soil type
Frame, the combined fan pylon is by lower rebar concrete tube structure 9, oblique pull prestressed cable 10, changeover portion 11, top single tube
Steel tube structure 12 is constituted.
The top single tube steel tube structure 12, bottom is connected by forging transverse flange 7 with changeover portion 11, and wind is installed at top
Power generator 3 and wind wheel 4, top single tube steel tube structure 12 are made up of the connection of multiple welding cylinders section 6, are adopted between each welding cylinder section 6
Connected with forging transverse flange 7 and flange bolt 8.
The lower rebar concrete tube structure 9 is made up of bottom direct tube section 13 and top transformation segment 14, bottom direct tube section
13 for wait external diameter, etc. wall thickness steel hoop concrete structure, bottom opens up door opening and arranges reinforcing ring 5；In top transformation segment 14
If arrangement arterial highway uniform several arc prestressed cable sleeve pipes 16 of ring orientation prestress rope 15, ring, on arc prestressed casing 16
Bring out mouth with it is vertical, lower end outlet it is consistent with the angle of oblique pull prestressed cable 10.Ring orientation prestress rope 15 can use special ring anchor
17 stretch-draw anchors, also predeterminable buttress 18 and to wearing ring orientation prestress rope 15, then stretch-draw anchor, 15, ring orientation prestress rope
Grout sealing 19 is taken to tensioning groove after drawing anchoring.
The lower rebar concrete tube structure 9 can be integrally formed structure using cast in situs armored concrete, also may be used
Using precast assembly structure.When using precast assembly structure, lower rebar concrete tube structure 9 is vertically divided into some standards
Section 20 and conversion section 21, two adjacent sections uses several grouted bolts 22 to connect to bear the load of erection stage, fills for convenience
The grouting construction of bolt 22 is starched, steam vent 23 and grout hole 24 are set in its installation place；The embedded lifting nut of each prefabricated section of top surface
25 lift by crane so as to erection stage.
In the utility model, the changeover portion 11 is by welding cylinder section 6, top forging transverse flange 7, lower anchor flange 26
Composition, changeover portion 11 is connected by top forging transverse flange 7, flange bolt 8 with top single tube steel tube structure 12, lower anchor
Anchoring flange perforate 27 on flange 26 is corresponding with the upper end outlet of arc prestressed casing 16.
In the utility model, the upper end of oblique pull prestressed cable 10 sequentially passes through the arc prestressing force in the transformation segment 14 of top
Noose pipe 16, the lower anchor perforate 27 of changeover portion 11, upper anchorage 28, make changeover portion 11 be anchored at lower rebar concrete tube structure
9 top；The lower anchorage 29 of the lower end of oblique pull prestressed cable 10 connection, and be connected with the anchor point 30 on basis 2.
In the utility model, described basic 2 are located at the underface of lower rebar concrete tube structure 9, near edge cloth
A ring beam 31 is put, uniform several drainpipes 33 in ring beam 31, the top surface of ring beam 31 is uniformly arranged anchor point 30, and phase is pre- with arc
Anchor point 30 and ring beam 31, the end on basis 2 are connected as entirety by the correspondence of stress sleeve pipe 16, anchor point presstressed reinforcing steel 32；Oblique pull in advance should
The lower end of power rope 10 can be also anchored in basis 2 using lower anchor head 34.
Specific implementation process is as follows：
1. construct basis 2：Excavation pit is required according to design drawing, bed course, assembling reinforcement is poured, is poured basic coagulation
Soil.If the lower end of oblique pull prestressed cable 10 is directly anchored in basis 2, oblique pull need to be arranged in the reinforcement foundation colligation stage and in advance should
The lower end of power rope 10 and its lower anchor head 34；If the lower end of oblique pull prestressed cable 10 is connected on the anchor point 30 of the top surface of ring beam 31, need
Construction ring beam 31, and arrangement anchor point 30, anchor point presstressed reinforcing steel 32 and drainpipe 33 wherein.
2. construction lower rebar concrete tube structure 9：If lower rebar concrete tube structure 9 take live one-piece casting into
Shape, need to construct lower rebar concrete tube structure 9 after basic 2 concrete reaches some strength, and in top transformation segment 14
Pre-buried ring orientation prestress rope 15, arc prestressed casing 16, after top transformation segment 14 reaches intensity requirement, stretch-draw anchor ring
Prestressed cable 15, and grout sealing 19 is done to reserved tensioning space；If lower rebar concrete tube structure 9 takes precast assembly knot
Structure, then need prefabricated standard knot 20 and conversion section 21 and maintenance reach intensity requirement, and pre-buried ring in advance should in top conversion section 21
Power rope 15, arc prestressed casing 16, after top conversion section 21 reaches intensity requirement, stretch-draw anchor ring orientation prestress rope 15,
And grout sealing 19 is done to reserved tensioning space, then lifting standard knot 20 and conversion save 21 successively from bottom to top, are hung during lifting
Point is connected on lifting nut 25, is connected using grouted bolts 22 between two adjacent sections section.
3. construction oblique pull prestressed cable 10：Changeover portion 11 is installed at the top of lower rebar concrete tube structure 9, oblique pull is drawn
The upper end of prestressed cable 10 sequentially passes through arc prestressed cable sleeve pipe 16, the lower anchor perforate of changeover portion 11 in the transformation segment 14 of top
27th, upper anchorage 28, tensioning oblique pull prestressed cable 10 makes changeover portion 11 be anchored in the top of lower rebar concrete tube structure 9, makes
Complete structural system is formed at bottom.
4. lifting top single tube steel tube structure 12, generator 3, wind wheel 4 etc. successively.
Claims (6)
1. oblique pull prestress steel and the box-like blower fan pylon of coagulation local soil type, the combined fan pylon is by lower rebar concrete tube
Structure (9), oblique pull prestressed cable (10), changeover portion (11) and top single tube steel tube structure (12) composition, it is characterised in that：
The bottom of the top single tube steel tube structure (12) is connected by forging transverse flange (7) with changeover portion (11), top peace
Dress wind-driven generator (3) and wind wheel (4), top single tube steel tube structure (12) are made up of several welding cylinder section (6) connections, adjacent
Welding cylinder section (6) between connected using forging transverse flange (7) and flange bolt (8)；
The lower rebar concrete tube structure (9) is formed by connecting by bottom direct tube section (13) and top transformation segment (14), bottom
Direct tube section (13) using etc. external diameter, etc. wall thickness steel hoop concrete structure, its bottom offers door opening, and arranges reinforcing ring
(5)；Top transformation segment (14) is if interior be evenly arranged arterial highway ring orientation prestress rope (15), and ring has been evenly arranged several arcs
Shape prestressed cable sleeve pipe (16), arc prestressed casing (16) upper end outlet direction is vertical, and lower end Way out is pre- with oblique pull
The angle of stress rope (10) is consistent；Grout sealing (19) is taken tensioning groove after ring orientation prestress rope (15) stretch-draw anchor；
The changeover portion (11) is made up of welding cylinder section (6), forging transverse flange (7) and lower anchor flange (26), several
Using forging transverse flange (7) and flange bolt (8) connection between welding cylinder section (6), changeover portion (11) top is horizontal by forging
It is connected with top single tube steel tube structure (12) to flange (7), flange bolt (8), bottom is by the anchoring on anchoring flange (26)
Flange perforate (27) is corresponding with arc prestressed casing (16) upper end outlet；
Oblique pull prestressed cable (10) upper end sequentially passes through arc prestressed cable sleeve pipe (16), the mistake in top transformation segment (14)
The anchoring perforate (27) and upper anchorage (28) of section (11) bottom are crossed, changeover portion (11) is anchored at lower rebar concrete tube structure
(9) top；The lower anchorage (29) of oblique pull prestressed cable (10) lower end connection, and be connected with the anchor point (30) on ring beam (31).
2. oblique pull prestress steel according to claim 1 and the box-like blower fan pylon of coagulation local soil type, it is characterised in that under described
Portion's armored concrete barrel structure (9) is integrally formed structure using cast in situs armored concrete, or uses precast assembly structure；When
During using precast assembly structure, lower rebar concrete tube structure (9) is vertically divided into some standard knots (20) and conversion section
(21), two adjacent sections uses several grouted bolts (22) to connect to bear the load of erection stage, for convenience of grouted bolts
(22) grouting construction, steam vent (23) and grout hole (24) are set in its installation place；The embedded lifting nut of each prefabricated section of top surface
(25) so that erection stage is lifted by crane.
3. oblique pull prestress steel according to claim 1 and the box-like blower fan pylon of coagulation local soil type, it is characterised in that ring is pre-
Stress rope (15) uses special ring anchor (17) stretch-draw anchor, or default buttress (18) and to wearing ring orientation prestress rope (15), so
Post-stretching is anchored.
4. oblique pull prestress steel according to claim 1 and the box-like blower fan pylon of coagulation local soil type, it is characterised in that a ring
Beam (31) is arranged in basic (2) edge, and the basis (2) is positioned at the underface of lower rebar concrete tube structure (9), ring beam
(31) several drainpipes (33) are evenly equipped with, ring beam (31) top surface is uniformly arranged anchor point (30), phase and arc Pre-stress cover
Anchor point (30) and ring beam (31), the end of basic (2) are connected as entirety by pipe (16) correspondence, anchor point presstressed reinforcing steel (32).
5. oblique pull prestress steel according to claim 1 and the box-like blower fan pylon of coagulation local soil type, it is characterised in that oblique pull is pre-
Stress rope (10) lower end is anchored in basic (2) using lower anchor head (34).
6. oblique pull prestress steel according to claim 1 and the box-like blower fan pylon of coagulation local soil type, it is characterised in that bottom steel
Reinforced concrete barrel structure (9), changeover portion (11), need inside top single tube steel tube structure (12) arrangement for the cat ladder of upper and lower traffic and
Transmit the cable of electric energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621140127.4U CN206190456U (en) | 2016-10-20 | 2016-10-20 | Draw prestressing force steel concrete combination formula tower frame of draught fan to one side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621140127.4U CN206190456U (en) | 2016-10-20 | 2016-10-20 | Draw prestressing force steel concrete combination formula tower frame of draught fan to one side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206190456U true CN206190456U (en) | 2017-05-24 |
Family
ID=58731788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621140127.4U Withdrawn - After Issue CN206190456U (en) | 2016-10-20 | 2016-10-20 | Draw prestressing force steel concrete combination formula tower frame of draught fan to one side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206190456U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321367A (en) * | 2016-10-20 | 2017-01-11 | 同济大学 | Cable-stayed prestressed steel and concrete combined type fan tower |
| CN112360697A (en) * | 2020-10-30 | 2021-02-12 | 廖明进 | Steel pipe concrete truss combination formula tower section of thick bamboo |
| WO2021056923A1 (en) * | 2019-09-27 | 2021-04-01 | 北京金风科创风电设备有限公司 | Guyed tower, wind power generator set and connecting devices |
| CN113062649A (en) * | 2021-03-31 | 2021-07-02 | 重庆大学 | Pre-stress tuned mass damper installation method based on parameter design calculation |
| CN114635446A (en) * | 2022-03-23 | 2022-06-17 | 中国华电科工集团有限公司 | Installation method of large steel cylinder annular foundation |
-
2016
- 2016-10-20 CN CN201621140127.4U patent/CN206190456U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321367A (en) * | 2016-10-20 | 2017-01-11 | 同济大学 | Cable-stayed prestressed steel and concrete combined type fan tower |
| WO2021056923A1 (en) * | 2019-09-27 | 2021-04-01 | 北京金风科创风电设备有限公司 | Guyed tower, wind power generator set and connecting devices |
| CN112360697A (en) * | 2020-10-30 | 2021-02-12 | 廖明进 | Steel pipe concrete truss combination formula tower section of thick bamboo |
| CN113062649A (en) * | 2021-03-31 | 2021-07-02 | 重庆大学 | Pre-stress tuned mass damper installation method based on parameter design calculation |
| CN113062649B (en) * | 2021-03-31 | 2022-01-18 | 重庆大学 | Pre-stress tuned mass damper installation method based on parameter design calculation |
| CN114635446A (en) * | 2022-03-23 | 2022-06-17 | 中国华电科工集团有限公司 | Installation method of large steel cylinder annular foundation |
| CN114635446B (en) * | 2022-03-23 | 2023-12-19 | 中国华电科工集团有限公司 | Installation method of large steel cylinder annular foundation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170524 Effective date of abandoning: 20181113 |
|
| AV01 | Patent right actively abandoned |