CN115650035A - Lifting appliance for variable-pitch gearbox of eccentric center-of-gravity fan - Google Patents

Lifting appliance for variable-pitch gearbox of eccentric center-of-gravity fan Download PDF

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Publication number
CN115650035A
CN115650035A CN202211609203.1A CN202211609203A CN115650035A CN 115650035 A CN115650035 A CN 115650035A CN 202211609203 A CN202211609203 A CN 202211609203A CN 115650035 A CN115650035 A CN 115650035A
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CN
China
Prior art keywords
shaped plate
lifting
pitch gearbox
variable
epsilon
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CN202211609203.1A
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Chinese (zh)
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CN115650035B (en
Inventor
鲁曙光
李全兰
程小强
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CRRC Wind Power Shandong Co Ltd
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CRRC Wind Power Shandong Co Ltd
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Priority to CN202211609203.1A priority Critical patent/CN115650035B/en
Publication of CN115650035A publication Critical patent/CN115650035A/en
Application granted granted Critical
Publication of CN115650035B publication Critical patent/CN115650035B/en
Priority to PCT/CN2023/127946 priority patent/WO2024125119A1/en
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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

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  • Wind Motors (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention discloses a lifting appliance for a variable-pitch gear box of a partial gravity center fan, which relates to the technical field of lifting equipment and is used for lifting the variable-pitch gear box, and the lifting appliance comprises a 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, the lifting ring is connected with a lifting belt, a groove is formed in the bottom of the lower side of the epsilon-shaped plate, a lower adjusting hole penetrating through the side surface of the lower side of the epsilon-shaped plate is formed in the groove, a lifting column fixed at the lower adjusting hole is arranged in the groove, a rotary lifting ring is arranged on the lifting column, a fixing ring is arranged on the rotary lifting ring, and the variable-pitch gear box is fixed on the fixing ring; the gravity center of the variable-pitch gearbox is adjusted in a balanced mode through the E-shaped plate, the structure is simple, the universality is strong, the manufacturing cost is low, the safety and reliability of hoisting operation are greatly guaranteed, the safety problem of inclination and sliding is avoided, and the production efficiency is improved.

Description

Lifting appliance for variable-pitch gearbox of eccentric center-of-gravity fan
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a lifting appliance for a variable pitch gearbox of a eccentric center fan.
Background
The variable pitch gearbox is arranged in the deep part of the hub cavity, and an external gear at the head of the variable pitch gearbox needs to be meshed with an internal gear on the circular surface of the hub; therefore, during installation, the variable pitch gearbox needs to be conveyed into the hub and meshed with the inner gear on the circumference of the hub from inside to outside, and the assembly can be successfully completed. Because the weight of the variable-pitch gearbox is large, the variable-pitch gearbox cannot be supported by manpower, and the lifting appliance is required to assist.
After the gravity center of the variable pitch gear box of the fan in the prior art is deviated, the variable pitch gear box can be directly hung to the gravity center position through the hanging strip to be hoisted, but the gravity center position of part of the variable pitch gear box is deviated to the front side of the mounting flange surface, the hanging strip can interfere with the mounting surface during hoisting, the mounting of the variable pitch gear box is influenced, the variable pitch gear box cannot be completely fixed when the hanging strip is directly used for hoisting, the situation that the variable pitch gear box slides down possibly occurs, and certain danger exists.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the lifting appliance for the variable-pitch gearbox of the eccentric center fan, which has the advantages of simple structure, strong universality, safety and reliability, and the production efficiency is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a hoist for eccentric center of gravity fan becomes oar gear box for the oar gear box that becomes that lifts by crane, include ∈ the template, ∈ the template upside is equipped with the regulation hole, upward be equipped with rings on the regulation hole, the suspender is connected to rings, ∈ the template downside bottom is equipped with the recess, be equipped with the lower regulation hole that runs through ∈ the template downside side in the recess, be equipped with the davit of fixing at lower regulation hole in the recess, be equipped with rotatory rings on the davit, be equipped with solid fixed ring on the rotatory rings, it can fix on solid fixed ring to become the 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 that of the lower side of the epsilon-shaped plate, so that the epsilon-shaped plate is used for balancing a variable pitch gearbox.
As a further improvement of the invention, the middle part of the E-shaped plate is provided with an auxiliary control rod which assists in operating the E-shaped plate.
As a further improvement of the invention, the end part of the upper side of the epsilon-shaped plate is provided with a balancing weight which is used for balancing a variable pitch gear box.
As a further improvement of the invention, the balancing weight is spliced by two square blocks and fixed on the upper side of the E-shaped plate through bolts, and the balancing weight can be replaced according to the variable pitch gearbox.
As a further improvement of the invention, the fixed ring is fixed on the side surface of the rotary lifting ring, so that the rotary lifting ring is convenient to rotate.
As a further improvement of the invention, a flange plate is arranged on the variable pitch gear box, an adjusting baffle plate is arranged on the flange plate, and the adjusting baffle plate 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 number of the lower adjusting holes are more than or equal to three, and the hoisting positions are adjusted according to different pitch-variable gear boxes.
Compared with the prior art, the invention has the following beneficial effects: according to the scheme, the variable pitch gearbox is in butt joint with the fixing ring, axis adjustment is carried out, and the position adjustment in the vertical line direction of the variable pitch gearbox is realized by rotating the hanging ring; the gravity center of the variable-pitch gearbox is adjusted in a balanced mode through the E-shaped plate, the structure is simple, the universality is strong, the manufacturing cost is low, the safety and reliability of hoisting operation are greatly guaranteed, the safety problem of inclination and sliding is avoided, and the production efficiency is improved.
Drawings
The invention is further described with reference to the following figures and detailed description.
FIG. 1 is a schematic structural diagram of a lifting appliance for a variable pitch gearbox of an eccentric center fan.
FIG. 2 is a top view of a portion of the present invention.
FIG. 3 is a schematic view of a lower portion of the present invention.
In the figure: 1. e-shaped plates; 2. an upper adjustment hole; 3. a hoisting ring; 4. a sling; 5. a balancing weight; 6. an auxiliary control lever; 7. a lower adjustment aperture; 8. hoisting a column; 9. rotating the hoisting ring; 10. a fixing ring; 11. a pitch gearbox; 12. a flange plate; 13. adjusting the baffle; 14. and (5) fixing the bolt.
Detailed Description
In order to make the technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following specific embodiments.
Referring to fig. 1, the embodiment of the invention discloses a lifting appliance for a variable-pitch gear box of a gravity-center-biased fan, wherein the variable-pitch gear box 11 used for lifting comprises an e-shaped plate 1, an upper adjusting hole 2 is formed in the upper side of the e-shaped plate 1, a lifting ring 3 is arranged on the upper adjusting hole 2, the lifting ring 3 is connected with a lifting belt 4, a groove is formed in the bottom of the lower side of the e-shaped plate 1, a lower adjusting hole 7 penetrating through the side face of the lower side of the e-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 rotating lifting ring 9 is arranged on the lifting column 8, a fixing ring 10 is arranged on the side face of the rotating lifting ring 9, and the variable-pitch gear box 11 can be fixed to the fixing ring 10. The number of the upper adjusting holes 2 and the number of the lower adjusting holes 7 are 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, the thickness of the E-shaped plate 1 is used for lifting and bearing the weight of the whole gearbox, 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 used for adjusting balance, and an auxiliary control rod 6 is arranged in the middle of the E-shaped plate 1. The auxiliary lever 6 assists in overriding the e-shaped plate 1.
Referring to fig. 2, the upper end of the epsilon-shaped plate 1 is provided with a balancing weight 5, and the balancing weight 5 is used for balancing a variable pitch gear box 11. The balancing weight 5 is spliced by two squares and fixed on the upper side of the E-shaped plate 1 through a bolt, and the balancing weight 5 can be replaced according to the variable pitch gearbox.
Referring to fig. 3, a flange plate 12 is arranged on the pitch gearbox 11, an adjusting baffle 13 is arranged on the flange plate 12, and the adjusting baffle 13 is fixed on the flange plate 12 through a fixing bolt 14.
In the scheme, a variable pitch gear box 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 axial line position of the variable pitch gear box is adjusted through adjusting the adjusting baffle 13; the position of the pitch-variable gearbox 11 in the vertical line direction is adjusted by rotating the hoisting ring 9; the hanging ring 3 which belongs to the upper part of the template 1 is connected with the hanging strip 4, and the position is adjusted in an auxiliary mode through the auxiliary control rod 6. The lifting appliance is simple in structure, strong in universality and low in manufacturing cost, greatly ensures the safety and reliability of lifting operation, and improves the production efficiency.
It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only, since various other embodiments will become apparent to those skilled in the art upon reference to the following detailed description.

Claims (8)

1. A hoist for an eccentric fan pitch gearbox, a pitch gearbox (11) for hoisting, characterized by: including epsilon template (1), epsilon template (1) upside is equipped with regulation hole (2), be equipped with rings (3) on last regulation hole (2), suspender (4) is connected in rings (3), epsilon template (1) downside bottom is equipped with the recess, be equipped with lower regulation hole (7) that run through epsilon template (1) downside side in the recess, be equipped with in the recess and fix davit (8) in 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 fix on solid fixed ring (10) to become oar gear box (11).
2. A spreader for an eccentric fan pitch gearbox according to claim 1, wherein: 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 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.
3. A spreader for an eccentric fan pitch gearbox according to claim 2, wherein: an auxiliary control rod (6) is arranged in the middle of the E-shaped plate (1).
4. A spreader for an eccentric fan pitch gearbox according to claim 3, wherein: the end part of the upper side of the E-shaped plate (1) is provided with a balancing weight (5).
5. A spreader for an eccentric fan pitch gearbox according to claim 4, wherein: the balancing weight (5) is spliced by two square blocks and fixed on the upper side of the E-shaped plate (1) through bolts.
6. A spreader for an eccentric fan pitch gearbox according to claim 1, wherein: the fixed ring (10) is fixed on the side surface of the rotary lifting ring (9).
7. A spreader for an eccentric fan pitch gearbox according to claim 1, wherein: the variable pitch gearbox is characterized in that a flange plate (12) is arranged on the variable pitch gearbox (11), an adjusting baffle (13) is arranged on the flange plate (12), and the adjusting baffle (13) is fixed on the flange plate (12) through a fixing bolt (14).
8. A spreader for an eccentric fan pitch gearbox according to claim 7, 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.
CN202211609203.1A 2022-12-15 2022-12-15 Lifting appliance for deflection center fan variable pitch gear box Active CN115650035B (en)

Priority Applications (2)

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
PCT/CN2023/127946 WO2024125119A1 (en) 2022-12-15 2023-10-30 Lifting tool for eccentric-center-of-gravity wind turbine variable-pitch gearbox

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

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CN115650035A true CN115650035A (en) 2023-01-31
CN115650035B CN115650035B (en) 2023-05-30

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CN202211609203.1A Active CN115650035B (en) 2022-12-15 2022-12-15 Lifting appliance for deflection center fan variable pitch gear box

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WO (1) WO2024125119A1 (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH397179A (en) * 1962-05-02 1965-08-15 Trimble Doty John Pipe clamp
CH426153A (en) * 1965-09-14 1966-12-15 Von Roll Ag Rope block from crane
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.
CN103010943A (en) * 2012-12-14 2013-04-03 北车风电有限公司 Large wind turbine generator system variable pitch speed reducer hanger and use method thereof
CN103979407A (en) * 2014-05-19 2014-08-13 中国海洋石油总公司 Flange hoister
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
CN110626939A (en) * 2019-10-18 2019-12-31 安徽华菱汽车有限公司 Lifting appliance for box type parts
CN210418899U (en) * 2019-07-24 2020-04-28 华仪风能有限公司 Wind generating set becomes oar reduction gear hoist
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

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH397179A (en) * 1962-05-02 1965-08-15 Trimble Doty John Pipe clamp
CH426153A (en) * 1965-09-14 1966-12-15 Von Roll Ag Rope block from crane
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.
CN103010943A (en) * 2012-12-14 2013-04-03 北车风电有限公司 Large wind turbine generator system variable pitch speed reducer hanger and use method thereof
CN103979407A (en) * 2014-05-19 2014-08-13 中国海洋石油总公司 Flange hoister
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

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Publication number Publication date
CN115650035B (en) 2023-05-30
WO2024125119A1 (en) 2024-06-20

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