CN115650035B - Lifting appliance for deflection center fan variable pitch gear box - Google Patents
Lifting appliance for deflection center fan variable pitch gear box Download PDFInfo
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- CN115650035B CN115650035B CN202211609203.1A CN202211609203A CN115650035B CN 115650035 B CN115650035 B CN 115650035B CN 202211609203 A CN202211609203 A CN 202211609203A CN 115650035 B CN115650035 B CN 115650035B
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- epsilon
- shaped plate
- lifting appliance
- gear box
- lifting
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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
Abstract
The invention discloses a lifting appliance for a deflection center fan pitch gear box, which relates to the technical field of lifting equipment and comprises an epsilon-shaped plate, wherein an upper adjusting hole is formed in the upper side of the epsilon-shaped plate, a lifting ring is arranged on the upper adjusting hole and is connected with a hanging strip, a groove is formed in the bottom of the lower side of the epsilon-shaped plate, a lower adjusting hole penetrating through the lateral surface of the lower side of the epsilon-shaped plate is formed in the groove, a lifting column fixed in the lower adjusting hole is arranged in the groove, a rotary lifting ring is arranged on the lifting column, a fixed ring is arranged on the rotary lifting ring, and the pitch gear box is fixed on the fixed ring; the gravity center of the variable-pitch gearbox is regulated by the E-shaped plate in a balanced way, the structure is simple, the universality is strong, the manufacturing cost is low, the safety and reliability of hoisting operation are greatly ensured, the occurrence of inclined sliding safety problem is avoided, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a hoisting tool for a variable pitch gearbox of a fan with a eccentric center.
Background
The pitch gear box is arranged in the deep part of the hub cavity, and an external gear at the head part of the pitch gear box is required to be meshed with an internal gear on the round surface of the hub; therefore, when the pitch gearbox is installed, the pitch gearbox is required to be sent into the hub, and is meshed with an internal gear on the circumference of the hub from inside to outside, so that the assembly can be successfully completed. Because the variable pitch gearbox has large weight, the man power cannot lift the variable pitch gearbox, and the lifting appliance is needed to assist.
After the gravity center of the fan pitch-controlled gear box in the prior art is deviated, the fan pitch-controlled gear box can be directly hung to the gravity center position through the hanging belt to hoist the pitch-controlled gear box, but the gravity center position of part of the pitch-controlled gear box is deviated to the front side of the mounting flange, the hanging belt can interfere with the mounting surface during hoisting, the installation of the pitch-controlled gear box is affected, and the fan pitch-controlled gear box cannot be completely fixed during direct hoisting, the situation that the pitch-controlled gear box slides down possibly occurs, and a certain danger exists.
Disclosure of Invention
In order to overcome the defects and the shortcomings in the prior art, the invention provides the lifting appliance for the deflection center fan pitch-variable gearbox, which has the advantages of simple structure, strong universality, safety, reliability and production efficiency improvement.
The technical scheme adopted for solving the technical problems is as follows: a hoist for eccentric center fan becomes oar gear box for lift by crane become oar gear box, including the board of epsilon, the epsilon template upside is equipped with the regulation hole, be equipped with rings on the regulation hole, rings connect the suspender, epsilon template downside bottom is equipped with the recess, be equipped with in the recess and run through epsilon the lower regulation hole of template downside side, be equipped with the davit of fixing at the regulation hole down in the recess, be equipped with rotatory rings on the davit, be equipped with solid fixed ring on the rotatory rings, it can be fixed on solid fixed ring to become oar gear box.
As a further improvement of the invention, the epsilon-shaped plate is formed by cutting a steel plate, the thickness of the epsilon-shaped plate is more than five centimeters, and the length of the upper side of the epsilon-shaped plate is more than the length of the lower side of the epsilon-shaped plate and is used for balancing the pitch gearbox.
As a further improvement of the invention, an auxiliary control rod is arranged in the middle of the epsilon-shaped plate, and the auxiliary control rod assists in operating the epsilon-shaped plate.
As a further improvement of the invention, the upper end part of the epsilon-shaped plate is provided with a balancing weight which is used for balancing the pitch gear box.
As a further improvement of the invention, the balancing weights are spliced by two square blocks and fixed on the upper side of the epsilon-shaped plate through bolts, and the balancing weights can be replaced according to the pitch gear box.
As a further improvement of the invention, the fixing ring is fixed on the side surface of the rotary hanging ring so as to be convenient for rotation.
As a further improvement of the invention, the pitch gearbox is provided with a flange plate, the flange plate is provided with an adjusting baffle, and the adjusting baffle is fixed on the flange plate through a fixing bolt.
As a further improvement of the invention, the number of the upper adjusting holes and the lower adjusting holes is more than or equal to three, and the hoisting positions are adjusted according to different pitch gear boxes.
Compared with the prior art, the invention has the beneficial effects that: according to the scheme, the pitch-variable gear box is abutted against the fixed ring, axis adjustment is carried out, and the lifting ring is rotated to realize position adjustment in the vertical direction of the pitch-variable gear box; the gravity center of the variable-pitch gearbox is regulated by the E-shaped plate in a balanced way, the structure is simple, the universality is strong, the manufacturing cost is low, the safety and reliability of hoisting operation are greatly ensured, the occurrence of inclined sliding safety problem is avoided, and the production efficiency is improved.
Drawings
The invention is further described below with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of a lifting appliance for a deflection center fan pitch gearbox.
FIG. 2 is a partial schematic view of the upper end of the present invention.
FIG. 3 is a partial schematic view of the lower end of the present invention.
In the figure: 1. e-shaped plates; 2. an upper adjustment hole; 3. a hanging ring; 4. a hanging belt; 5. balancing weight; 6. an auxiliary control rod; 7. a lower adjustment aperture; 8. a hanging column; 9. rotating the hanging ring; 10. a fixing ring; 11. a pitch gearbox; 12. a flange plate; 13. adjusting a baffle; 14. and (5) fixing bolts.
Detailed Description
In order that the technical scheme and the beneficial effects of the invention become more apparent, the invention is further described in detail below with reference to specific embodiments.
Referring to fig. 1, the embodiment of the invention discloses a lifting appliance for a deflection center fan pitch gear box, which is used for lifting a pitch gear box 11, and comprises an epsilon-shaped plate 1, wherein an upper adjusting hole 2 is formed in the upper side of the epsilon-shaped plate 1, a lifting ring 3 is arranged on the upper adjusting hole 2, the lifting ring 3 is connected with a hanging belt 4, a groove is formed in the bottom of the lower side of the epsilon-shaped plate 1, a lower adjusting hole 7 penetrating through the lower side surface of the epsilon-shaped plate 1 is formed in the groove, a lifting column 8 fixed to the lower adjusting hole 7 is arranged in the groove, a rotary lifting ring 9 is arranged on the lifting column 8, a fixing ring 10 is arranged on the side surface of the rotary lifting ring 9, and the pitch gear box 11 can be fixed on the fixing ring 10. The number of the upper adjusting holes 2 and the lower adjusting holes 7 is more than or equal to three.
Referring to fig. 1, the e-shaped plate 1 is formed by cutting a steel plate, the thickness of the e-shaped plate 1 is larger than five centimeters and is used for lifting the whole weight of the bearing gear box, the length of the upper side of the e-shaped plate 1 is larger than that of the lower side of the e-shaped plate 1 and is used for adjusting balance, and an auxiliary control rod 6 is arranged in the middle of the e-shaped plate 1. The auxiliary control rod 6 assists in overriding the epsilon-shaped board 1.
Referring to fig. 2, the upper end of the e-shaped plate 1 is provided with a balancing weight 5, and the balancing weight 5 is used for balancing the pitch gearbox 11. The balancing weights 5 are spliced by two square blocks and fixed on the upper side of the epsilon-shaped plate 1 through bolts, and the balancing weights 5 can be replaced according to the pitch-variable gearbox.
Referring to fig. 3, the pitch gearbox 11 is provided with a flange plate 12, the flange plate 12 is provided with an adjusting baffle 13, and the adjusting baffle 13 is fixed on the flange plate 12 through a fixing bolt 14.
In the scheme, a pitch gearbox 11 is fixedly connected with a fixed ring 10, the positions of a flange plate 12 and the fixed ring 10 are adjusted through a fixed bolt 14 and an adjusting baffle 13, and the axis position of the pitch gearbox is adjusted through the adjusting baffle 13; the lifting ring 9 is rotated to realize the position adjustment of the pitch gearbox 11 in the vertical direction; the hanging ring 3 on the upper part of the epsilon-shaped plate 1 is connected with the hanging belt 4, and the auxiliary position adjustment is carried out through the auxiliary control rod 6. The lifting appliance is simple in structure, high in universality and low in manufacturing cost, safety and reliability of lifting operation are greatly guaranteed, and production efficiency is improved.
It should be understood that the detailed description is presented for purposes of understanding only and is not intended to limit the invention to all other embodiments that may be obtained by one skilled in the art without making any inventive effort.
Claims (7)
1. Lifting appliance for a deflection center fan pitch gearbox, and a pitch gearbox (11) for lifting, which is characterized in that: including epsilon template (1), epsilon template (1) upside and be equipped with regulation hole (2) on, be equipped with rings (3) on going up regulation hole (2), rings (3) connect suspender (4), epsilon template (1) downside bottom and be equipped with the recess, be equipped with down regulation hole (7) that run through epsilon template (1) downside side in the recess, be equipped with in the recess and fix davit (8) at regulation hole (7) down, be equipped with rotatory rings (9) on davit (8), be equipped with solid fixed ring (10) on rotatory rings (9), it can be fixed on solid fixed ring (10) to become oar gear box (11), be equipped with flange board (12) on changing oar gear box (11), be equipped with regulation baffle (13) on flange board (12), regulation baffle (13) are fixed on flange board (12) through fixing bolt (14).
2. The lifting appliance for a fan pitch gearbox with a deviated center of gravity according to claim 1, wherein: the epsilon-shaped plate (1) is formed by cutting a steel plate, the thickness of the epsilon-shaped plate (1) is larger than five centimeters, and the length of the upper side of the epsilon-shaped plate (1) is larger than the length of the lower side.
3. The lifting appliance for a fan pitch gearbox with a deviated center of gravity according to claim 2, wherein: an auxiliary control rod (6) is arranged in the middle of the epsilon-shaped plate (1).
4. A lifting appliance for a fan pitch gearbox with a deviated center of gravity according to claim 3, wherein: the upper end part of the epsilon-shaped plate (1) is provided with a balancing weight (5).
5. The lifting appliance for a fan pitch gearbox with a deviated center of gravity according to claim 4, wherein: the balancing weight (5) is spliced by two square blocks and is fixed on the upper side of the epsilon-shaped plate (1) through bolts.
6. The lifting appliance for a fan pitch gearbox with a deviated center of gravity according to claim 1, wherein: the fixing ring (10) is fixed on the side face of the rotary hanging ring (9).
7. The lifting appliance for a fan pitch gearbox with a deviated center of gravity according to claim 1, wherein: the number of the upper adjusting holes (2) and the number of the lower adjusting holes (7) are more than or equal to three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211609203.1A CN115650035B (en) | 2022-12-15 | 2022-12-15 | Lifting appliance for deflection center fan variable pitch gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211609203.1A CN115650035B (en) | 2022-12-15 | 2022-12-15 | Lifting appliance for deflection center fan variable pitch gear box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115650035A CN115650035A (en) | 2023-01-31 |
| CN115650035B true CN115650035B (en) | 2023-05-30 |
Family
ID=85022755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211609203.1A Active CN115650035B (en) | 2022-12-15 | 2022-12-15 | Lifting appliance for deflection center fan variable pitch gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115650035B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH426153A (en) * | 1965-09-14 | 1966-12-15 | Von Roll Ag | Rope block from crane |
| CN103979407A (en) * | 2014-05-19 | 2014-08-13 | 中国海洋石油总公司 | Flange hoister |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH397179A (en) * | 1962-05-02 | 1965-08-15 | Trimble Doty John | Pipe clamp |
| CN201686394U (en) * | 2010-04-19 | 2010-12-29 | 远见风能(江阴)有限公司 | Hoisting tool of variable propeller gearbox of megawatt wind generating set |
| CL2012001183A1 (en) * | 2012-05-04 | 2012-07-06 | Giglio Guillermo Bobenrieth | System for loading and unloading in port operations and support of hatch covers of holds of maritime vessels, comprising a loading and unloading crane and a base located in the body of said crane to support and stack said hatch covers; process. |
| CN103010943B (en) * | 2012-12-14 | 2015-05-06 | 北车风电有限公司 | Large wind turbine generator system variable pitch speed reducer hanger and use method thereof |
| CN207861716U (en) * | 2018-01-04 | 2018-09-14 | 中建二局安装工程有限公司 | C-type hanging apparatus under a kind of beam, plate |
| CN210418899U (en) * | 2019-07-24 | 2020-04-28 | 华仪风能有限公司 | Wind generating set becomes oar reduction gear hoist |
| CN110626939A (en) * | 2019-10-18 | 2019-12-31 | 安徽华菱汽车有限公司 | Lifting appliance for box type parts |
| CN211169515U (en) * | 2019-11-26 | 2020-08-04 | 武汉钢铁有限公司 | Lifting device for adjusting hydraulic cylinder of universal mill |
| CN113511580A (en) * | 2021-07-20 | 2021-10-19 | 浙江运达风电股份有限公司 | Wind generating set becomes oar switch board installation hoist |
-
2022
- 2022-12-15 CN CN202211609203.1A patent/CN115650035B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH426153A (en) * | 1965-09-14 | 1966-12-15 | Von Roll Ag | Rope block from crane |
| CN103979407A (en) * | 2014-05-19 | 2014-08-13 | 中国海洋石油总公司 | Flange hoister |
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| Publication number | Publication date |
|---|---|
| CN115650035A (en) | 2023-01-31 |
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