CN116768074A - Windmill rotary vane hanging and descending device - Google Patents
Windmill rotary vane hanging and descending device Download PDFInfo
- Publication number
- CN116768074A CN116768074A CN202311014971.7A CN202311014971A CN116768074A CN 116768074 A CN116768074 A CN 116768074A CN 202311014971 A CN202311014971 A CN 202311014971A CN 116768074 A CN116768074 A CN 116768074A
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- CN
- China
- Prior art keywords
- blade
- fixedly connected
- inner sleeve
- fixed pulley
- hoist engine
- 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.)
- Pending
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- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- 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
- F03D13/104—Rotor installation, e.g. installation of blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
- B66C23/166—Simple cranes with jibs which may be fixed or can slew or luff
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/108—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for lifting parts of wind turbines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/445—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated
- B66C1/447—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated by hydraulic or pneumatic motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
- B66C13/085—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
-
- 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
- F03D13/139—Assembling or erecting wind motors by using lifting means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of wind power generation, in particular to a lifting device for a windmill rotary blade. Including the base, the top of base is connected with the support column through electronic revolving stage, the upper portion fixedly connected with horizontally cantilever beam of support column, the top of support column is provided with first fixed pulley, the one end of cantilever beam is provided with the second fixed pulley, electronic revolving stage's top is provided with first hoist engine, first fixed pulley and second fixed pulley and fixedly connected with supporting platform are walked around in proper order to the free end of lifting rope on the first hoist engine, the supporting platform top is provided with the second hoist engine, the free end of lifting rope is connected with adjustable angle frock on the second hoist engine, adjustable angle frock is located supporting platform's under, adjustable angle frock is used for fixed windmill rotary vane and adjusts its angle. The adjustable angle tool is arranged, and the angle of the blade can be adjusted in the air through the adjustable angle tool, so that the blade can be better adjusted to a proper angle, and the alignment and fixation can be realized.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a lifting device for a windmill rotary blade.
Background
The wind power generation converts the kinetic energy of wind into mechanical kinetic energy, then converts the mechanical energy into electric kinetic energy, namely, wind power is utilized to drive windmill blades to rotate, the rotating speed is increased through a speed increaser, the generator is driven to generate electricity, the blades are one of the most important constituent components in the wind power generation device, the requirements on the appearance and materials of the blades are very high, wind resistance is reduced as much as possible, and the corrosion resistance is enhanced, so that most of the shapes of the blades are in a streamline spiral shape, the size of the end part close to a motor is larger, and the size of the tail part far away from the motor is smaller.
The installation of a wind power plant generally comprises: 1. installing a tower drum; 2. installing a cabin of the wind generating set; 3. installing a hub; 4. and (5) blade installation. When the blade is installed, the blade is generally lifted to a proper height through a lifting device and aligned with a corresponding installation position on the hub, then the blade is fixed, the angle and the azimuth of the blade are usually determined on the ground in advance, the blade and the tooling are integrally lifted to align with the installation position on the hub, and then the fixed installation is realized, however, certain deviation often exists in the actual lifting process, so that the blade cannot be installed on the hub in a preset body position, and the existing lifting device does not have the function of angle adjustment on the blade in the air, so that the blade is required to be lowered to the ground again, then the angle of the blade is calculated again, and the blade is lifted again, thereby being time-consuming, labor-consuming and quite inconvenient.
It is therefore desirable to design a lifting device that can temporarily adjust the blade in the air.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a windmill rotary blade lifting device, and particularly discloses the following technical scheme:
the utility model provides a windmill rotary vane hangs and falls device, includes the base, the top of base is connected with the support column through electronic revolving stage, the horizontally cantilever beam of upper portion fixedly connected with of support column, the top of support column is provided with first fixed pulley, the one end of cantilever beam is provided with the second fixed pulley, the top of electronic revolving stage is provided with first hoist engine, first fixed pulley and second fixed pulley and fixedly connected with supporting platform are walked around in proper order to the free end of lifting rope on the first hoist engine, the supporting platform top is provided with the second hoist engine, the free end of lifting rope is connected with adjustable angle frock on the second hoist engine, adjustable angle frock is located supporting platform's windmill frock under, adjustable angle frock is used for fixed rotary vane and adjusts its angle.
Further, the adjustable angle frock includes outer frame, the inside rotatable inner skleeve that is connected with of outer frame, fixedly connected with blade bracket on the bottom inside wall of inner skleeve, be connected with the grip block through hydraulic telescopic link on the both sides inside wall of inner skleeve respectively, fixedly provided with annular tooth on the outer wall of inner skleeve, rotate on the outer frame and install the axis of rotation that is on a parallel with the inner skleeve, be provided with drive gear in the axis of rotation, drive gear meshes with annular tooth mutually, the one end of axis of rotation and the output fixed connection of driving motor on outer frame terminal surface.
Further, the upper surface of the blade bracket and the side surfaces of the two clamping blocks, which are close to each other, are all arc-shaped curved surfaces, and a plurality of air bags are arranged on the upper surface of the blade bracket and the side surfaces of the two clamping blocks, which are close to each other.
Further, the outer frame includes two parallel arrangement's vertical support board, two the top of vertical support board passes through the horizontal support board and connects, the center of vertical support board runs through and sets up the mounting hole, the mounting hole of both sides is passed respectively at the both ends of inner skleeve and is connected with the draw-in table.
Further, a plurality of rollers are arranged between the outer wall of the inner sleeve and the inner wall of the mounting hole, an annular groove is formed in the inner wall of the mounting hole, and the rollers are rotatably mounted in the annular groove through roller shafts.
Further, the number of the second winches is two, the two second winches are respectively and fixedly connected to two sides of the top end of the supporting platform, a pair of lifting lugs are respectively arranged on two sides of the vertical supporting plate, and the free end of the lifting rope on each second winch is divided into two parts and is respectively and fixedly connected with a pair of lifting lugs on the same side.
Further, the bottom of base is provided with a plurality of wheels of marcing, be provided with a plurality of hydraulic telescoping leg around the base respectively.
Compared with the prior art, the invention has the beneficial effects that:
the adjustable angle tooling is arranged, and the angle of the blade can be adjusted in the air through the adjustable angle tooling, so that the blade can be better adjusted to a proper angle, and the alignment and fixation can be realized;
according to the invention, two second windlass are arranged, the two second windlass are respectively and fixedly connected to two sides of the top end of the supporting platform, the free end of the lifting rope on each second windlass is divided into two parts and is respectively and fixedly connected with a pair of lifting lugs on the same side, so that the heights of two ends of the angle-adjustable tool are respectively adjusted, the included angle between the blade and the horizontal plane is adjusted, and the assembly is realized by aligning the hub better.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a front view of the tool with adjustable angle in the present invention.
Fig. 3 is a right side view of the tool and support platform of the present invention.
Fig. 4 is a cross-sectional view of an adjustable angle tooling of the present invention.
The device comprises a 1-base, a 2-electric rotating platform, a 3-supporting column, a 4-cantilever beam, a 5-first fixed pulley, a 6-second fixed pulley, a 7-first winch, an 8-supporting platform, a 9-second winch, a 10-angle-adjustable tool, a 101-outer frame, a 102-inner sleeve, a 103-blade bracket, a 104-hydraulic telescopic rod, a 105-clamping block, 106-annular teeth, 107-rotating shafts, 108-transmission gears, 109-driving motors, 1010-clamping platforms, 1011-rollers, 1012-lifting lugs, 11-travelling wheels and 12-hydraulic telescopic supporting legs.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, a windmill rotary vane lifting device, which comprises a base 1, the top of base 1 is connected with support column 3 through electric turntable 2, and electric turntable 2 can drive support column 3 and rotate, the upper portion fixedly connected with horizontally cantilever beam 4 of support column 3, the top of support column 3 is provided with first fixed pulley 5, the one end of cantilever beam 4 is provided with second fixed pulley 6, the top of electric turntable 2 is provided with first hoist engine 7, first fixed pulley 5 and second fixed pulley 6 and fixedly connected with supporting platform 8 are walked around in proper order to the free end of lifting rope on the first hoist engine 7, supporting platform 8 is located the below of second fixed pulley 6, supporting platform 8 top is provided with second hoist engine 9, the free end of lifting rope on the second hoist engine 9 is connected with adjustable angle frock 10, adjustable angle frock 10 is located supporting platform 8 under, adjustable angle frock 10 is used for fixed rotating vane and adjusts its angle.
In this embodiment, the adjustable angle frock 10 includes outer frame 101, the inside rotatable inner skleeve 102 that is connected with of outer frame 101, fixedly connected with blade bracket 103 on the bottom inside wall of inner skleeve 102 for windmill rotary vane provides support, be connected with grip block 105 through hydraulic telescoping rod 104 respectively on the both sides inside wall of inner skleeve 102 for it is fixed to carry out the centre gripping to windmill rotary vane, can realize the clamp of blade and loosen through the flexible of control hydraulic telescoping rod 104, fixedly provided with ring tooth 106 on the outer wall of inner skleeve 102, rotate on the outer frame 101 and install the axis of rotation 107 that is on a parallel with inner skleeve 102, be provided with drive gear 108 on the axis of rotation 107, drive gear 108 meshes with ring tooth 106, the one end of axis of rotation 107 is fixed with the output fixed driving motor 109 on the outer frame 101 terminal surface. After the blades are lifted, when the deviation exists in the angle of the blades, the driving motor 109 can be started, the driving motor 109 drives the rotating shaft 107 to rotate, the rotating shaft 107 drives the transmission gear 108 to rotate, the transmission gear 108 is meshed with the annular teeth 106 to drive the inner sleeve 102 to rotate, the inner sleeve 102 drives the blades which are clamped and fixed to rotate until the blades rotate to a proper body position, and then alignment and fixation with the hub are achieved.
In this embodiment, the upper surface of blade bracket 103 and two the side that grip block 105 is close to each other all set up to the arc curved surface, and the arc curved surface is fixed with the surface looks adaptation of blade to better centre gripping to the blade, the upper surface of blade bracket 103 and two all be provided with a plurality of gasbags on the side that grip block 105 is close to each other, can provide the buffering for the blade after the gasbag is inflated to avoid blade bracket 103 and grip block 105 to cause the damage to the blade surface.
In this embodiment, the outer frame 101 includes two parallel vertical support plates, the top ends of the two vertical support plates are connected by a horizontal support plate, so as to form a whole, the center of the vertical support plate is penetrated and provided with a mounting hole, two ends of the inner sleeve 102 respectively penetrate through the mounting holes on two sides and are connected with a clamping table 1010, the clamping table 1010 protrudes out of the mounting hole, and the outer diameter of the clamping table is larger than the diameter of the mounting hole, so that the inner sleeve 102 is limited and fixed, and the inner sleeve 102 is prevented from sliding along the axial direction.
In this embodiment, a plurality of rollers 1011 are disposed between the outer wall of the inner sleeve 102 and the inner wall of the mounting hole, an annular groove is formed in the inner wall of the mounting hole, the rollers 1011 are rotatably mounted in the annular groove through roller shafts, and friction can be effectively reduced due to the rollers 1011, so that the resistance force in the rotation process of the inner sleeve 102 is smaller.
In this embodiment, the number of the second winches 9 is two, the two second winches 9 are respectively and fixedly connected to two sides of the top end of the supporting platform 8, two sides of the vertical supporting plate are respectively provided with a pair of lifting lugs 1012, and the free end of the lifting rope on each second winch 9 is divided into two and is respectively and fixedly connected with a pair of lifting lugs 1012 on the same side. Through controlling two second windlass 9 respectively, can realize adjusting respectively the height of adjustable angle frock 10 both ends to realize adjusting the contained angle between blade and the horizontal plane, with better alignment wheel hub, realize the equipment.
In this embodiment, the bottom of base 1 is provided with a plurality of wheels 11 that march to remove base 1, the base 1 is provided with a plurality of hydraulic telescoping leg 12 all around respectively, and after the hydraulic telescoping leg 12 was stretched and was propped ground, can effectively improve the stability of device.
When the invention is actually used, firstly, the blade is required to be fixed in the inner sleeve 102 of the angle-adjustable tool 10, the hydraulic telescopic rod 104 is controlled to extend to clamp and fix the blade, then the first winch 7 is started to retract the lifting rope, so that the blade is lifted to a specified height to realize the alignment with the hub, when the deviation of the angle of the blade is found, the bolt hole on the blade cannot be aligned with the bolt hole on the flange of the hub, the driving motor 109 can be started, the driving motor 109 drives the rotating shaft 107 to rotate, the rotating shaft 107 drives the driving gear 108 to rotate, the driving gear 108 is meshed with the annular tooth 106 to drive the inner sleeve 102 to rotate, and the inner sleeve 102 drives the blade clamped and fixed to rotate until the blade rotates to a proper position, and then the alignment and the fixation with the hub are realized.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention still fall within the scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a windmill rotary vane hangs and falls device, its characterized in that, includes the base, the top of base is connected with the support column through electronic revolving stage, the upper portion fixedly connected with horizontally cantilever beam of support column, the top of support column is provided with first fixed pulley, the one end of cantilever beam is provided with the second fixed pulley, the top of electronic revolving stage is provided with first hoist engine, first fixed pulley and second fixed pulley and fixedly connected with supporting platform are walked around in proper order to the free end of lifting rope on the first hoist engine, the supporting platform top is provided with the second hoist engine, the free end of lifting rope is connected with adjustable angle frock on the second hoist engine, adjustable angle frock is located supporting platform under, adjustable angle frock is used for fixed windmill rotary vane and adjusts its angle.
2. The windmill rotary vane lifting device according to claim 1, wherein the tool comprises an outer frame, an inner sleeve is rotatably connected in the outer frame, vane brackets are fixedly connected on the inner side walls of the bottom end of the inner sleeve, clamping blocks are respectively connected on the inner side walls of the two sides of the inner sleeve through hydraulic telescopic rods, annular teeth are fixedly arranged on the outer wall of the inner sleeve, a rotating shaft parallel to the inner sleeve is rotatably arranged on the outer frame, a transmission gear is arranged on the rotating shaft, the transmission gear is meshed with the annular teeth, and one end of the rotating shaft is fixedly connected with the output end of a driving motor fixed on the end face of the outer frame.
3. The lifting device for the windmill rotary blade according to claim 2, wherein the upper surface of the blade bracket and the side surfaces of the two clamping blocks, which are close to each other, are both arc-shaped curved surfaces, and a plurality of air bags are arranged on the upper surface of the blade bracket and the side surfaces of the two clamping blocks, which are close to each other.
4. The windmill rotary vane lifting device according to claim 2, wherein the outer frame comprises two parallel vertical support plates, the top ends of the two vertical support plates are connected through a horizontal support plate, the center of the vertical support plate is provided with a mounting hole in a penetrating manner, and two ends of the inner sleeve respectively penetrate through the mounting holes on two sides and are connected with clamping tables.
5. The lifting device for the rotating blade of the windmill according to claim 4, wherein a plurality of rollers are arranged between the outer wall of the inner sleeve and the inner wall of the mounting hole, annular grooves are formed in the inner wall of the mounting hole, and the rollers are rotatably arranged in the annular grooves through roller shafts.
6. The device for lifting and lowering a rotating blade of a windmill according to claim 4, wherein the number of the second windlass is two, the two second windlass are respectively and fixedly connected to two sides of the top end of the supporting platform, a pair of lifting lugs are respectively arranged on two sides of the two vertical supporting plates, and the free end of the lifting rope on each second windlass is divided into two and is respectively and fixedly connected with the pair of lifting lugs on the same side.
7. The windmill rotary vane lifting device according to claim 1, wherein a plurality of traveling wheels are arranged at the bottom end of the base, and a plurality of hydraulic telescopic supporting legs are respectively arranged around the base.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311014971.7A CN116768074A (en) | 2023-08-11 | 2023-08-11 | Windmill rotary vane hanging and descending device |
| NL2036203A NL2036203A (en) | 2023-08-11 | 2023-11-07 | A windmill rotary blade lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311014971.7A CN116768074A (en) | 2023-08-11 | 2023-08-11 | Windmill rotary vane hanging and descending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116768074A true CN116768074A (en) | 2023-09-19 |
Family
ID=88010217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311014971.7A Pending CN116768074A (en) | 2023-08-11 | 2023-08-11 | Windmill rotary vane hanging and descending device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN116768074A (en) |
| NL (1) | NL2036203A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118723766A (en) * | 2024-09-04 | 2024-10-01 | 天津津岛重工机械有限公司 | A high-stability bottom-supported suspended offshore crane |
-
2023
- 2023-08-11 CN CN202311014971.7A patent/CN116768074A/en active Pending
- 2023-11-07 NL NL2036203A patent/NL2036203A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118723766A (en) * | 2024-09-04 | 2024-10-01 | 天津津岛重工机械有限公司 | A high-stability bottom-supported suspended offshore crane |
Also Published As
| Publication number | Publication date |
|---|---|
| NL2036203A (en) | 2024-04-19 |
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