CN112128060A - Damping mechanism for connecting wind generating set - Google Patents
Damping mechanism for connecting wind generating set Download PDFInfo
- Publication number
- CN112128060A CN112128060A CN202011092695.2A CN202011092695A CN112128060A CN 112128060 A CN112128060 A CN 112128060A CN 202011092695 A CN202011092695 A CN 202011092695A CN 112128060 A CN112128060 A CN 112128060A
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- Prior art keywords
- fixed
- gear box
- fan blade
- sliding
- sheath
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000013016 damping Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 title claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 239000004519 grease Substances 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 241000883990 Flabellum Species 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Images
Classifications
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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
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
-
- 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
- F03D15/00—Transmission of mechanical power
-
- 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
- F03D80/70—Bearing or lubricating arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a damping mechanism for connecting a wind generating set, which comprises a shell, a fan blade joint and fan blades, wherein the front end of the shell is provided with the fan blade joint, one side of the fan blade joint is provided with the fan blades, the other side of the fan blade joint is provided with a rotary joint, and the rotary joint is arranged in the center of the fan blade joint; the generator is connected with the gear box through a connecting bearing, a brake is arranged on one side of the gear box and sleeved on the connecting bearing, and a transmission rod is arranged on the other side of the gear box and connected with the rotary joint; the damping device is simple in structure, novel in design and good in damping effect, and can effectively reduce damage to components of the whole machine due to vibration generated by wind power and mechanical operation, thereby greatly reducing the risk of working of the machine set and prolonging the service life.
Description
Technical Field
The invention relates to the technical field of damping, in particular to a damping mechanism for connecting a wind generating set.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate, and alternating current is finally output.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a damping mechanism for connecting a wind generating set comprises a shell, a fan blade joint and fan blades, wherein the fan blade joint is arranged at the front end of the shell, the fan blades are arranged on one side of the fan blade joint, a rotary joint is arranged on the other side of the fan blade joint, the rotary joint is arranged in the center of the fan blade joint, a first sliding strip is arranged on the rotary joint and winds the outer side of the rotary joint, a first connecting flange is sleeved on the outer side of the rotary joint, one side of the first connecting flange is fixed with the fan blade joint, a first sliding groove is arranged on the inner side of the first connecting flange, the first sliding strip is embedded in the first sliding groove, a first fixing edge is arranged on the first connecting flange, a plurality of first threaded holes are formed in the first fixing edge, and first limiting bayonets are arranged in the first threaded holes;
the generator is connected with the gear box through a connecting bearing, a brake is arranged on one side of the gear box and sleeved on the connecting bearing, and a transmission rod is arranged on the other side of the gear box and connected with the rotary joint;
the transmission rod is provided with a plurality of second sliding strips, the second sliding strips are wound on the outer side of the transmission rod, a sheath is sleeved on the transmission rod, one end of the sheath is fixed on the gear box, the inner wall of the sheath is provided with a plurality of second sliding grooves, the second sliding grooves are wound on the inner wall of the sheath, the second sliding grooves are matched with the second sliding strips, the second sliding strips are embedded in the second sliding grooves, and the other end of the sheath is provided with a second connecting flange;
a second fixing edge is arranged on the second connecting flange, a plurality of second threaded holes are formed in the second fixing edge, second limiting bayonets are arranged in the second threaded holes, supporting rods are arranged on two sides of the outer wall of the sheath, one end of each supporting rod is fixedly connected with the sheath, the other end of each supporting rod is fixedly connected to the inner wall of the shell, a first damping spring is sleeved on each supporting rod, and two ends of each first damping spring are fixedly connected to the inner wall of the shell and the outer wall of the sheath respectively;
the first flange is connected with the second flange through a bolt, the bolt comprises a connecting section, the connecting section is an arc-shaped rod, a first fixing block and a second fixing block are arranged on two sides of the connecting section respectively, a first threaded column is arranged on the first fixing block, and a second threaded column is arranged on the second fixing block;
the first threaded column penetrates through the first threaded hole, the first fixed block is clamped into the first limiting hole, the first threaded column is fixed on the first flange through a nut, the second threaded column penetrates through the second threaded hole, the second fixed block is clamped into the second limiting hole, and the second threaded column is fixed on the second flange through a nut.
Preferably, be equipped with the fixing base in the casing, the fixing base includes generator fixed area and gear box fixed area, the structure of motor fixed area and gear box fixed area is unanimous, including the fixed slot, the bottom of fixed slot is equipped with the one deck shock pad, the both sides of fixed slot all are equipped with a plurality of second damping spring, the fixed plate is being connected to second damping spring, the generator is fixed in the generator fixed area and is fixed through the fixed plate, and the gear box of telling is fixed in the gear box fixed area and is fixed through the fixed plate.
Preferably, a layer of lubricating grease is coated on each of the first sliding groove, the second sliding groove, the first sliding strip and the second sliding strip, and lubricating oil is sprayed at the joint of the rotary joint and the transmission rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the damping device is simple in structure, novel in design and good in damping effect, and can effectively reduce damage to components of the whole machine due to vibration generated by wind power and mechanical operation, thereby greatly reducing the risk of working of the machine set and prolonging the service life;
2. according to the invention, the protective cover is arranged on the transmission rod, so that the transmission rod can be protected, and meanwhile, the supporting rod and the damping spring on the protective cover can effectively disperse vibration generated in the operation process of the transmission rod, so that the vibration of the transmission rod is effectively reduced, and the transmission rod can be driven more stably;
3. the connecting section of the specially designed bolt is an arc-shaped rod, so that the special bolt has higher fatigue performance, can bear larger alternating load, particularly can effectively relieve the vibration of a part with large vibration, and can effectively relieve the huge vibration generated by the rotation of the fan blade by mutually fixing the first flange and the second flange through the bolt, so that the connection between the fan blade joint and the transmission rod is more stable;
4. according to the invention, the damping spring is arranged on the fixed seat, so that the vibration generated by the generator and the gear box can be effectively relieved, and the stability of the whole unit is greatly improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
FIG. 2 is a schematic view of a blade joint structure according to the present invention
FIG. 3 is a schematic view of a rotary joint structure according to the present invention
FIG. 4 is a schematic view of a first connecting flange structure according to the present invention
FIG. 5 is a schematic view of the structure of the transmission rod of the present invention
FIG. 6 is a schematic view of the structure of the shield of the present invention
FIG. 7 is a schematic view of the structure of the support rod of the present invention
FIG. 8 is an enlarged view of the part A structure of the present invention
FIG. 9 is a schematic view of the bolt structure of the present invention
Fig. 10 is a schematic view of a fixing base according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
a damping mechanism for connecting a wind generating set comprises a shell 1, a fan blade joint 2 and fan blades 3, the front end of the shell 1 is provided with a fan blade joint 2, one side of the fan blade joint 2 is provided with a fan blade 3, the other side of the fan blade joint 2 is provided with a rotary joint 21, the rotary joint 21 is arranged at the center of the fan blade joint 2, a first slide bar 22 is arranged on the rotary joint 21, the first slide bar 22 winds the outer side of the rotary joint 21, a first connecting flange 23 is sleeved on the outer side of the rotary joint 21, one side of the first connecting flange 23 is fixed with the fan blade joint 2, the inner side of the first connecting flange 23 is provided with a first chute 24, the first slide bar 22 is embedded in the first sliding groove 24, the first connecting flange 23 is provided with a first fixing edge 25, a plurality of first threaded holes 26 are formed in the first fixing edge 25, and first limiting bayonets 27 are formed in the first threaded holes 26;
a generator 4 and a gear box 5 are arranged in the shell 1, the generator 4 is connected with the gear box 5 through a connecting bearing 41, a brake 51 is arranged on one side of the gear box 5, the brake 51 is sleeved on the connecting bearing 41, a transmission rod 52 is arranged on the other side of the gear box 5, and the transmission rod 52 is connected with the rotary joint 21;
the transmission rod 52 is provided with a plurality of second sliding bars 521, the plurality of second sliding bars 521 are wound on the outer side of the transmission rod 52, the transmission rod 52 is sleeved with a sheath 6, one end of the sheath 6 is fixed on the gear box 5, the inner wall of the sheath 6 is provided with a plurality of second sliding grooves 61, the plurality of second sliding grooves 61 are wound on the inner wall of the sheath 6, the second sliding grooves 61 are matched with the second sliding bars 521, the second sliding bars 521 are embedded in the second sliding grooves 61, and the other end of the sheath 6 is provided with a second connecting flange 62;
the second connecting flange 62 is provided with a second fixing edge 63, the second fixing edge 63 is provided with a plurality of second threaded holes 64, a plurality of second limiting bayonets 65 are arranged in the second threaded holes 64, two sides of the outer wall of the sheath 6 are provided with support rods 7, one end of each support rod 7 is fixedly connected with the sheath 6, the other end of each support rod 7 is fixedly connected to the inner wall of the shell 1, the support rods 7 are sleeved with first damping springs 71, two ends of each first damping spring 71 are fixedly connected to the inner wall of the shell 1 and the outer wall of the sheath 6 respectively to pass through, and the support rods and the damping springs can effectively disperse vibration generated in the operation process of the transmission rod, so that the vibration of the transmission rod is effectively reduced, and the transmission rod can be driven more stably;
the first flange 23 and the second flange 62 are connected through a bolt 8, the bolt 8 comprises a connecting section 81, the connecting section 81 is an arc-shaped rod, a first fixing block 82 and a second fixing block 83 are respectively arranged on two sides of the connecting section 81, a first threaded column 84 is arranged on the first fixing block 82, and a second threaded column 85 is arranged on the second fixing block 83;
first screw thread post 84 passes first screw hole 26, makes first fixed block 82 block advance in first spacing mouthful 27, first screw thread post 84 passes through the nut to be fixed on first flange 23, second screw thread post 85 passes second screw hole 64, makes second fixed block 83 block advance in the spacing mouthful 65 of second, second screw thread post 85 passes through the nut to be fixed on second flange 62, adopts above-mentioned connection structure can not only carry out the fixed stay between whole transfer line and the flabellum joint, and wherein the linkage segment of bolt is the arc pole, has higher fatigue performance, can bear great alternating load, the big position of vibration very much, can effectually alleviate its vibration.
In this embodiment, be equipped with fixing base 9 in casing 1, fixing base 9 includes generator fixed area 91 and gear box fixed area 92, motor fixed area 91 is unanimous with gear box fixed area 92's structure, including fixed slot 93, the bottom of fixed slot 93 is equipped with one deck shock pad 94, the both sides of fixed slot 93 all are equipped with a plurality of second damping spring 95, fixed plate 96 is being connected to second damping spring 95, generator 4 sets up at generator fixed area 91 and fixed through fixed plate 96, and the gear box 5 setting of telling is fixed at gear box fixed area 92 and through fixed plate 96, adopts this structure, can effectually alleviate the produced vibration of generator and gear box to the stability of whole unit has been improved greatly.
In this embodiment, the first sliding groove 24, the second sliding groove 61, the first sliding bar 22 and the second sliding bar 521 are all coated with a layer of grease, the joint between the rotary joint 21 and the transmission rod 52 is coated with lubricating oil, and the grease and the lubricating oil are arranged for a friction part of a machine to play a role in lubrication; meanwhile, the lubricating grease also has the functions of filling gaps and preventing rust.
In conclusion, the whole connecting structure can effectively relieve the vibration generated when the fan blades rotate, so that the mechanical work generated by the rotation of the fan blades can be ensured and can be stably transmitted to the transmission rod, and the movable rotor in the gear box is driven to rotate, so that the generator is driven to operate, and the alternating current is finally output; the damping connecting mechanisms can effectively reduce the damage to the whole components caused by the vibration generated by wind power and mechanical operation, thereby greatly reducing the risk of the unit operation and prolonging the service life.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a damper for connecting wind generating set, includes casing (1), flabellum joint (2) and flabellum (3), its characterized in that: the fan blade connector is characterized in that a fan blade connector (2) is arranged at the front end of the shell (1), a fan blade (3) is arranged on one side of the fan blade connector (2), a rotary connector (21) is arranged on the other side of the fan blade connector (2), the rotary connector (21) is arranged in the center of the fan blade connector (2), a first sliding strip (22) is arranged on the rotary connector (21), the first sliding strip (22) winds the outer side of the rotary connector (21), a first connecting flange (23) is sleeved on the outer side of the rotary connector (21), one side of the first connecting flange (23) is fixed with the fan blade connector (2), a first sliding groove (24) is arranged on the inner side of the first connecting flange (23), the first sliding strip (22) is embedded in the first sliding groove (24), a first fixing edge (25) is arranged on the first connecting flange (23), a plurality of first threaded holes (26) are formed in the first fixing edge (25), a first limiting bayonet (27) is arranged in each of the first threaded holes (26);
a generator (4) and a gear box (5) are arranged in the shell (1), the generator (4) is connected with the gear box (5) through a connecting bearing (41), a brake (51) is arranged on one side of the gear box (5), the brake (51) is sleeved on the connecting bearing (41), a transmission rod (52) is arranged on the other side of the gear box (5), and the transmission rod (52) is connected with the rotary joint (21);
the transmission rod (52) is provided with a plurality of second sliding strips (521), the second sliding strips (521) are wound on the outer side of the transmission rod (52), the transmission rod (52) is sleeved with a sheath (6), one end of the sheath (6) is fixed on the gear box (5), the inner wall of the sheath (6) is provided with a plurality of second sliding grooves (61), the second sliding grooves (61) are wound on the inner wall of the sheath (6), the second sliding grooves (61) are matched with the second sliding strips (521), the second sliding strips (521) are embedded in the second sliding grooves (61), and the other end of the sheath (6) is provided with a second connecting flange (62);
a second fixing edge (63) is arranged on the second connecting flange (62), a plurality of second threaded holes (64) are formed in the second fixing edge (63), second limiting bayonets (65) are arranged in the plurality of second threaded holes (64), supporting rods (7) are arranged on two sides of the outer wall of the sheath (6), one end of each supporting rod (7) is fixedly connected with the sheath (6), the other end of each supporting rod (7) is fixedly connected to the inner wall of the shell (1), a first damping spring (71) is sleeved on each supporting rod (7), and two ends of each first damping spring (71) are fixedly connected to the inner wall of the shell (1) and the outer wall of the sheath (6) respectively;
the first flange (23) is connected with the second flange (62) through a bolt (8), the bolt (8) comprises a connecting section (81), the connecting section (81) is an arc-shaped rod, a first fixing block (82) and a second fixing block (83) are respectively arranged on two sides of the connecting section (81), a first threaded column (84) is arranged on the first fixing block (82), and a second threaded column (85) is arranged on the second fixing block (83);
the first threaded column (84) penetrates through the first threaded hole (26) to enable the first fixing block (82) to be clamped into the first limiting opening (27), the first threaded column (84) is fixed on the first flange (23) through a nut, the second threaded column (85) penetrates through the second threaded hole (64) to enable the second fixing block (83) to be clamped into the second limiting opening (65), and the second threaded column (85) is fixed on the second flange (62) through a nut.
2. A damping mechanism for connecting a wind turbine generator set according to claim 1, characterized in that: be equipped with fixing base (9) in casing (1), fixing base (9) are including generator fixed area (91) and gear box fixed area (92), the structure of motor fixed area (91) and gear box fixed area (92) is unanimous, including fixed slot (93), the bottom of fixed slot (93) is equipped with one deck shock pad (94), the both sides of fixed slot (93) all are equipped with a plurality of second damping spring (95), fixed plate (96) are being connected in second damping spring (95), generator (4) set up at generator fixed area (91) and fixed through fixed plate (96), and gear box (5) of telling set up in gear box fixed area (92) and fixed through fixed plate (96).
3. A damping mechanism for connecting a wind turbine generator set according to claim 1, characterized in that: the first sliding groove (24), the second sliding groove (61), the first sliding strip (22) and the second sliding strip (521) are all coated with a layer of lubricating grease, and lubricating oil is sprayed at the joint of the rotary joint (21) and the transmission rod (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011092695.2A CN112128060A (en) | 2020-10-13 | 2020-10-13 | Damping mechanism for connecting wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011092695.2A CN112128060A (en) | 2020-10-13 | 2020-10-13 | Damping mechanism for connecting wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112128060A true CN112128060A (en) | 2020-12-25 |
Family
ID=73854036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011092695.2A Withdrawn CN112128060A (en) | 2020-10-13 | 2020-10-13 | Damping mechanism for connecting wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112128060A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187663A (en) * | 2021-04-02 | 2021-07-30 | 巩宏权 | New energy wind power generation protection device using bearing block to increase weight and absorb shock |
| CN113389697A (en) * | 2021-07-20 | 2021-09-14 | 江苏慧之能风力发电有限公司 | Tower mechanism of wind driven generator and use method thereof |
-
2020
- 2020-10-13 CN CN202011092695.2A patent/CN112128060A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187663A (en) * | 2021-04-02 | 2021-07-30 | 巩宏权 | New energy wind power generation protection device using bearing block to increase weight and absorb shock |
| CN113389697A (en) * | 2021-07-20 | 2021-09-14 | 江苏慧之能风力发电有限公司 | Tower mechanism of wind driven generator and use method thereof |
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| PB01 | Publication | ||
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Application publication date: 20201225 |
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| WW01 | Invention patent application withdrawn after publication |