CN203715060U - 30-degree angle installation hanging tool of blade of wind generating set - Google Patents
30-degree angle installation hanging tool of blade of wind generating set Download PDFInfo
- Publication number
- CN203715060U CN203715060U CN201420046949.0U CN201420046949U CN203715060U CN 203715060 U CN203715060 U CN 203715060U CN 201420046949 U CN201420046949 U CN 201420046949U CN 203715060 U CN203715060 U CN 203715060U
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- Prior art keywords
- blade
- pressing plate
- hanging bracket
- swing arm
- push rod
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- Expired - Lifetime
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- 238000009434 installation Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 abstract description 9
- 240000007711 Peperomia pellucida Species 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Y02E10/722—
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- Wind Motors (AREA)
Abstract
The utility model provides a 30-degree angle installation hanging tool of a blade of a wind generating set. The hanging tool comprises tow hanging brackets, wherein an opening is formed in the side face of a frame of each hanging bracket to form a C-shaped cross section; in the opening of the hanging bracket, a clamping device is arranged on one of the two opposite side faces of the opening and comprises a movable pressure plate, and a positioning adjusting device is arranged between the movable pressure plate and the hanging bracket, so that the movable pressure plate shifts to clamp and fix the blade in the hanging bracket; the maximum distance from the movable pressure plate in the opening of each of the two hanging brackets and the corresponding relative side face as well as the inner space of the framework are respectively matched with the root of the blade and the back of the centroid are matched with the section of the root weight balancing part. The hanging tool matched with an installation method of the blade guarantees the hoisting of a rabbit ear combined body. The hanging tool is easy to control and operate, good in economical benefit and convenient to maintain equipment systems.
Description
Technical Field
The utility model relates to a wind-powered electricity generation technical field, in particular to wind generating set blade 30 degrees angle installation hoist.
Background
The impeller of the wind generating set mainly comprises a hub and three blades, and the methods for hoisting the impeller to a tower in the prior art are many, such as integral hoisting methods, and two cranes are usually used, wherein a sling of a first crane fixes two blades, and a sling of a second crane fixes a third blade. During hoisting, the two cranes are lifted simultaneously to hoist the impeller horizontally, then the lifting hook on the sling of the second crane is lowered, meanwhile, the first crane is lifted continuously to turn the impeller over by 90 degrees, then the second crane is dismounted, and the impeller is lifted by the first crane to be in place. The technology needs two large cranes, and the two cranes are inconvenient to operate because the whole impeller is very large and heavy and the matching difficulty of the two cranes is high during installation.
The utility model discloses an applicant develops impeller components of a whole that can function independently hoist and mount technique, is about to the impeller and decomposes into two parts, and the first part includes the generator impeller that is fixed with two blades on cabin and the wheel hub, and the second part is the third blade. Firstly, the first part similar to the rabbit ears is hoisted to the tower barrel to be in place by a rabbit ear type hoisting method, and then the second part, namely the third blade is hoisted.
In the split lifting technology of the impeller, the assembly of the first part similar to the rabbit ear is finished on the ground, in the assembly, firstly, a hub of the impeller is fixed on a cabin, after the hub of the impeller is butted with a flange hole of a generator in the cabin, two side holes in three blade mounting holes on the hub form symmetrical 30-degree angles, the last hole is vertically downward, then two blades are mounted on two symmetrical side holes of the hub, and the blades in a basically horizontal transportation state are mounted on the blade mounting positions on the hub with 30-degree-angle inclination at two sides of the hub.
There is single blade hoist and mount technique among the prior art, chinese utility model patent application for example application number 201210476928.8 discloses a method of hoisting single blade, is to use the tower crane of installing on the track, establishes the jib on the tower crane, installs the suspender on the jib, fixes the blade through the suspender, lifts by crane and makes the blade leave the transport vechicle, then power device drives the tower crane and moves on the track for the blade is taken one's place. If chinese utility model patent application No. 201110439322.2 discloses a wind turbine generator system blade hoist device again, be equipped with a plurality of screws on the gallows wherein, use this kind of hoist device, need pass through the double-screw bolt with the blade and fix on the gallows and lift by crane, pass through the double-screw bolt with the blade again and fix to the impeller on, later remove the double-screw bolt of blade and gallows again and be connected.
In the prior art, the method for hoisting the blade is complicated and complex to operate. It is more difficult to implement wind power generators located, for example, at sea or in the desert, gobi. Furthermore, lifting the blade and rotating it by another 30 degrees has not been possible with such a spreader.
SUMMERY OF THE UTILITY MODEL
The utility model aims at filling the blank of prior art, providing a 30 degrees angle installation hoists of wind generating set blade, reached the requirement that unit rabbit ear formula was assembled.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a30-degree angle installation lifting appliance for blades of a wind generating set comprises two lifting frames, wherein each lifting frame comprises a frame, and an opening is formed in one side face of the frame, so that the cross section of the frame forms a C-shaped section; a connecting piece for connecting a sling and then connecting a crane is arranged at the top of the hanger; a clamping device is arranged in the opening of the hanging bracket and on one of two opposite side surfaces relative to the opening, the clamping device comprises a movable pressing plate, and a positioning adjusting device is arranged between the movable pressing plate and the hanging bracket, so that the movable pressing plate is displaced relative to the hanging bracket to change the distance between the movable pressing plate and the opposite side surface so as to clamp and fix the blade in the hanging bracket;
the space between the movable pressing plate in the openings of the two hanging brackets and the opposite side surfaces and the internal space of the frame are respectively matched with the size of the root of the blade and the section of the mass balance position of the rear part of the mass center and the root.
The positioning and adjusting device arranged between the movable pressing plate and the hanging bracket is as follows: one end of the movable pressing plate is hinged with the hanging bracket to form a swing arm push rod, a linear motion mechanism is arranged between the swing arm push rod and the hanging bracket, the swing arm push rod is connected with a linear motion piece in the linear motion mechanism, and the linear motion mechanism is connected with a power device.
The positioning adjusting device arranged between the movable pressing plate and the hanging bracket can also be: the clamping device comprises a clamping pressure rod, a power device and a linear motion mechanism, wherein the clamping pressure rod is arranged in a manner of moving up and down relative to an upper top frame of the hanging bracket, the power device is connected with the linear motion mechanism and fixed on the hanging bracket, and a linear motion part is connected with the clamping pressure rod.
The power device can be a clamping motor, the linear motion mechanism is a screw mechanism, a nut is hinged on the swing arm push rod, a screw rod in threaded connection with the nut is connected with the clamping motor, and the clamping motor is arranged on the hanger; or,
the power device is a clamping motor, the linear motion mechanism is a screw mechanism, the clamping pressure rod is connected with a screw rod in the screw mechanism, and a nut in threaded connection with the screw rod is fixed on the clamping pressure rod.
The power device can also be a hydraulic or pneumatic device, the extending end of a piston rod in the hydraulic or pneumatic device connected with the power device is hinged on the swing arm push rod or connected on the clamping pressure rod, and a hydraulic cylinder or a pneumatic cylinder is arranged on the hanger frame.
A fixed pressing plate is arranged on the inner side surface of the hanging bracket opposite to the side surface on which the movable pressing plate is arranged, and the inner side surfaces of the movable pressing plate and the fixed pressing plate are matched with the corresponding side surfaces of the blades to be hung in shape; and/or an inner pressing plate is arranged on the side surface of the hanging bracket opposite to the opening.
The connecting piece for connecting the sling and then the crane is a lifting lug.
Specifically, the frame of the hanger is C-shaped steel with an opening on one side, the inner end of the swing arm push rod is hinged to the inner upper corner end of the opening of the C-shaped steel, the outer end of the swing arm push rod is arranged at the opening of the C-shaped steel, the outer end of the swing arm push rod is hinged to the nut, the screw connected with the clamping motor is connected with the nut of the swing arm push rod, the swing arm push rod is provided with a movable pressing plate head, and the movable pressing plate head is arranged on the lower end face of the middle part of the swing arm push rod.
The utility model has the advantages that: the blade 30-degree angle installation lifting appliance of the wind generating set can be used for conveniently clamping and fixing the transported blade on site on the lifting appliance, the blade and the lifting appliance can be conveniently fixed through the clamping device and the positioning adjusting device on the lifting appliance, the blade can be lifted by starting a crane connected with the lifting appliance, the lifting appliance can be quickly separated from the blade through the positioning adjusting device after the blade is lifted and installed in place, and the lifting appliance is flexible and convenient to disassemble; the technology is reliable.
Drawings
Fig. 1 is a schematic structural view of the wind turbine generator system blade 30-degree angle installation lifting tool provided by the present invention clamping a fixed blade in a blade transportation state;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view B-B of FIG. 1;
fig. 4 is the utility model provides an utilize wind generating set blade 30 degrees angle installation hoist centre gripping blade is at aerial anticlockwise turning 30 degrees to impeller wheel hub on installation blade state sketch map.
Reference numerals: 1. a blade root clamp; 2. a blade; 3. a blade centroid rear clamp; 4. a blade center of mass; 5. a motor; 6. a sling; 7. lifting lugs; 8. a pin shaft; 9. a movable platen head; 10. c-shaped steel; 11. a side surface pressing plate; 12. a bottom platen; 13. a swing arm push rod; 14. a screw; 15. a nut; 16. an impeller.
Detailed Description
Referring to fig. 1, 2 and 3: a30-degree-angle blade mounting lifting appliance for a wind generating set comprises a blade root clamp 1 and a blade mass center rear clamp 3;
the blade root clamp 1 comprises C-shaped steel 10 and a swing arm push rod 13, and an opening of the C-shaped steel 10 faces to the side face. The inner end of the swing arm push rod 13 is hinged with the upper included angle of the inner side of the C-shaped steel 10 through a pin shaft 8, the lower end of the swing arm push rod 13 is connected with a movable pressing plate head 9, and the movable pressing plate head 9 is installed on the lower end face of the middle part of the swing arm push rod. The upper end of the opening of the C-shaped steel 10 is provided with a motor 5, the lower end of the motor 5 is positioned at the outer end of a swing arm push rod 13, the output end of the motor 5 is connected with a screw rod 14, a rod body of the screw rod 14 is sleeved with a nut 15, and the nut 15 is connected with the outer end of the swing arm push rod 13.
The motor 5 can be replaced by a hydraulic or pneumatic device, the extending end of a piston rod in the hydraulic or pneumatic device is hinged to the outer end of the swing arm push rod, and a hydraulic cylinder or a pneumatic cylinder is arranged on the hanger.
In addition, the swing arm push rod 13 can be replaced by a clamping pressure rod which can move up and down relative to the top frame of the C-shaped steel, a motor is fixed on the hanger frame, a screw rod is connected on the motor, a nut which is in threaded connection with the screw rod is fixed on the clamping pressure rod, and the motor is started, so that the clamping pressure rod can move up and down to clamp and loosen the blade arranged in the C-shaped steel. Of course, the motor can be replaced by a hydraulic or pneumatic device, and the clamping pressure rod is connected with the extending end of the piston rod.
A bottom pressing plate 12 is arranged at the inner bottom of the C-shaped steel 10, and a lifting lug 6 is arranged at the upper end of the C-shaped steel 10; the lifting lug 6 is connected with a lifting ring, and the lifting ring is connected with a hanging strip 6;
blade barycenter back anchor clamps 3 and blade root anchor clamps 1 structure the same, the opening longitudinal length of blade barycenter back anchor clamps 3's C shaped steel is less than the opening longitudinal length of blade root anchor clamps C shaped steel. Because the blade root is thicker, so the blade root anchor clamps opening is bigger, and the blade behind the blade barycenter is flatter, so, the opening of anchor clamps behind the blade barycenter is narrower.
And a side pressing plate 11 is arranged on the inner side of the C-shaped steel 10 of the blade root clamp 1 and the blade mass center rear clamp 3.
A lifting method for mounting a lifting appliance according to the angle of 30 degrees of the blade of the wind generating set comprises the following steps:
(1) the blade 2 is in a horizontal state from a transportation state to an installation site, and two hanging brackets, namely a blade root clamp 1 and a blade mass center rear clamp 3 are respectively fixed at the position of the blade root of one blade and the position of the mass balance position between the rear of the blade mass center and the root; the lifting appliance is controlled by the crane, so that the blade slowly enters the lifting frame from the side opening of the C-shaped steel, the bottom pressing plate and the side pressing plate close to the C-shaped steel are controlled by the motor 5 after being in place, the swing arm push rod rotates around the hinge shaft 8, the clamping pressing plate is slowly pushed to press the blade airfoil, and the motor 5 stops working after a certain clamping force is ensured;
the blade root clamp 1 is arranged at the blade root position of the blade 2, and the blade mass center rear clamp 4 is arranged at the position of the blade 2 about 3 meters behind the blade mass center 4;
(2) the two cranes respectively lift the two lifting frames and synchronously lift the two lifting frames to a set height, namely the root of each blade is flush with the mounting position of one inclined blade at one side of an impeller hub fixed on the engine room;
(3) stopping the connecting crane for fixing the blade root hanging bracket, and continuously lifting the connecting crane for fixing the hanging bracket behind the blade mass center to enable the blade to incline until the inclination angle of the blade is 30 degrees;
(4) the root of the blade inclined by 30 degrees is butted with the mounting hole on the impeller hub;
(5) connecting bolts of the hub and the root of the blade after butt joint, and then removing the hanging bracket from the installed blade.
And (5) repeating the steps (1) to (5), and mounting another blade on the mounting hole on the other side of the impeller hub, so that the assembly work of the rabbit-ear-type first part of the generator impeller comprising the engine room, the generator and two blades fixed on the impeller hub is completed.
The above description is the preferred embodiment of the present invention and the technical principle applied by the same, and for those skilled in the art, without departing from the spirit and scope of the present invention, any obvious changes such as equivalent transformation, simple replacement, etc. based on the technical solution of the present invention all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a 30 degrees angle installation hoists of wind generating set blade which characterized in that: the lifting frame comprises two lifting frames, wherein each lifting frame comprises a frame, and an opening is formed in one side surface of the frame, so that the cross section of the frame forms a C-shaped section; a connecting piece for connecting a sling and then connecting a crane is arranged at the top of the hanger; a clamping device is arranged in the opening of the hanging bracket and on one of two opposite side surfaces relative to the opening, the clamping device comprises a movable pressing plate, and a positioning adjusting device is arranged between the movable pressing plate and the hanging bracket, so that the movable pressing plate is displaced relative to the hanging bracket to change the distance between the movable pressing plate and the opposite side surface so as to clamp and fix the blade in the hanging bracket;
the space between the movable pressing plate in the openings of the two hanging brackets and the opposite side surfaces and the internal space of the frame are respectively matched with the size of the root of the blade and the section of the mass balance position of the rear part of the mass center and the root.
2. The wind generating set blade 30-degree angle mounting hanger according to claim 1, wherein: the positioning adjusting device arranged between the movable pressing plate and the hanging bracket comprises a swing arm push rod formed by hinging one end of the movable pressing plate with the hanging bracket, a linear motion mechanism is arranged between the swing arm push rod and the hanging bracket, the swing arm push rod is connected with a linear motion piece in the linear motion mechanism, and the linear motion mechanism is connected with a power device; or,
the positioning adjusting device arranged between the movable pressing plate and the hanging bracket comprises a clamping pressing rod, a power device and a linear motion mechanism, the clamping pressing rod is arranged in a manner of moving up and down relative to an upper top frame of the hanging bracket, the power device is connected with the linear motion mechanism and fixed on the hanging bracket, and a linear motion part is connected with the clamping pressing rod.
3. The wind generating set blade 30-degree angle mounting hanger according to claim 2, wherein: the power device is a clamping motor, the linear motion mechanism is a screw mechanism, a nut is hinged on the swing arm push rod, a screw rod in threaded connection with the nut is connected with the clamping motor, and the clamping motor is arranged on the hanger; or,
the power device is a clamping motor, the linear motion mechanism is a screw mechanism, the clamping pressure rod is connected with a screw rod in the screw mechanism, and a nut in threaded connection with the screw rod is fixed on the clamping pressure rod.
4. The wind generating set blade 30-degree angle mounting hanger according to claim 2, wherein: the power device is a hydraulic or pneumatic device, the extending end of a piston rod in the hydraulic or pneumatic device is hinged on the swing arm push rod or connected on the clamping pressure rod, and a hydraulic cylinder or a pneumatic cylinder is arranged on the hanger.
5. The wind generating set blade 30-degree angle mounting hanger according to claim 1, wherein: a fixed pressing plate is arranged on the inner side surface of the hanging bracket opposite to the side surface on which the movable pressing plate is arranged, and the inner side surfaces of the movable pressing plate and the fixed pressing plate are matched with the corresponding side surfaces of the blades to be hung in shape; and/or the presence of a gas in the gas,
and an inner side pressing plate is arranged on the side surface of the hanging bracket opposite to the opening.
6. The wind generating set blade 30-degree angle mounting hanger according to claim 1, wherein: the connecting piece for connecting the sling and then the crane is a lifting lug.
7. The wind generating set blade 30-degree angle mounting hanger according to claim 3, wherein: the frame of the hanger is C-shaped steel with an opening on one side, the inner end of a swing arm push rod is hinged with the inner upper corner end of the opening of the C-shaped steel, the outer end of the swing arm push rod is arranged at the opening of the C-shaped steel, the outer end of the swing arm push rod is hinged with a nut, a screw rod connected with a clamping motor is connected with the nut of the swing arm push rod, a movable pressing plate head is arranged on the swing arm push rod, and the movable pressing plate head is arranged on the lower end face of the middle part of the swing arm push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046949.0U CN203715060U (en) | 2014-01-24 | 2014-01-24 | 30-degree angle installation hanging tool of blade of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046949.0U CN203715060U (en) | 2014-01-24 | 2014-01-24 | 30-degree angle installation hanging tool of blade of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203715060U true CN203715060U (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420046949.0U Expired - Lifetime CN203715060U (en) | 2014-01-24 | 2014-01-24 | 30-degree angle installation hanging tool of blade of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203715060U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723614A (en) * | 2014-01-24 | 2014-04-16 | 江苏金风科技有限公司 | Wind generating set blade 30-degree angle installation lifting appliance and lifting method thereof |
| CN108394804A (en) * | 2018-04-05 | 2018-08-14 | 南京高传机电自动控制设备有限公司 | A kind of hanger structure of blade of wind-driven generator |
| CN110979663A (en) * | 2019-12-31 | 2020-04-10 | 天津梦佳智创科技发展有限公司 | Control device and control method for automatically searching ascending airflow of glider |
| CN111170155A (en) * | 2019-12-30 | 2020-05-19 | 浙江大学 | Vertical lifting appliance for blades of ocean current energy generator set and mounting method of vertical lifting appliance |
| WO2023052655A1 (en) * | 2021-09-29 | 2023-04-06 | Optimus Crane, S.L. | Device and method for fastening loads and load-lifting system |
-
2014
- 2014-01-24 CN CN201420046949.0U patent/CN203715060U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723614A (en) * | 2014-01-24 | 2014-04-16 | 江苏金风科技有限公司 | Wind generating set blade 30-degree angle installation lifting appliance and lifting method thereof |
| CN103723614B (en) * | 2014-01-24 | 2016-03-02 | 江苏金风科技有限公司 | A kind of wind generator set blade 30 degree of angle mounting hangers and hanging method thereof |
| CN108394804A (en) * | 2018-04-05 | 2018-08-14 | 南京高传机电自动控制设备有限公司 | A kind of hanger structure of blade of wind-driven generator |
| CN111170155A (en) * | 2019-12-30 | 2020-05-19 | 浙江大学 | Vertical lifting appliance for blades of ocean current energy generator set and mounting method of vertical lifting appliance |
| CN110979663A (en) * | 2019-12-31 | 2020-04-10 | 天津梦佳智创科技发展有限公司 | Control device and control method for automatically searching ascending airflow of glider |
| WO2023052655A1 (en) * | 2021-09-29 | 2023-04-06 | Optimus Crane, S.L. | Device and method for fastening loads and load-lifting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |