CN107954309A - A kind of special hanger and hanging method for lifting wind power generating set - Google Patents
A kind of special hanger and hanging method for lifting wind power generating set Download PDFInfo
- Publication number
- CN107954309A CN107954309A CN201711240508.9A CN201711240508A CN107954309A CN 107954309 A CN107954309 A CN 107954309A CN 201711240508 A CN201711240508 A CN 201711240508A CN 107954309 A CN107954309 A CN 107954309A
- Authority
- CN
- China
- Prior art keywords
- suspender belt
- wind power
- power generating
- generating set
- hanging beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/18—Band-type slings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
A kind of special hanger and hanging method for lifting wind power generating set of the present invention, comprising：Hanging beam, main the hanging beam section and beam segments of its setting that includes intersecting, the at one end of main hanging beam section are equipped with main hanging beam suspension centre；Ratio lever, it is hinged with main hanging beam section, and its hinge joint is close to main hanging beam suspension centre；A pair of of blade suspender belt, correspondence is nested with two blades the first end of two blade suspender belts respectively；The second end of two blade suspender belts and one end of ratio lever connect；Wheel hub suspender belt, its first end are connected with wheel hub, the other end connection of second end and ratio lever；Length adjuster, it is arranged on wheel hub suspender belt, adjusts the length of wheel hub suspender belt；First cabin suspender belt and the second cabin suspender belt, the first end of the first and second cabin suspender belts are connected with cabin respectively；The second end of first and second cabin suspender belts is connected at the both ends of crossbeam.The present invention has the advantages of simple in structure, easy to operate, to save wind power generating set installation period and labor strength.
Description
Technical field
The present invention relates to handling handling apparatus technical field, more particularly to a kind of special hanger for lifting wind power generating set
And hanging method.
Background technology
In recent years, as the development of wind power technology and unit performance progressively improve, Wind turbines are more and more economical
With it is efficient, single-machine capacity also constantly increases, and unit quantity and floor space has been gradually reduced under identical installed capacity, significantly
Save the investment of infrastructure.However as the further development of Wind Power Generation Industry, day hastens towards saturation for the exploitation of land wind field.And
And as Wind turbines single-machine capacity gradually increases, the length and weight of each component of unit also constantly increase, this considerably increases
Unit transports and installation difficulty and cost.Comparatively speaking, marine wind field has the advantages that wind speed is high, turbulivity is low, wind shear is small,
The impeller diameter bigger of offshore type wind turbine, the spy that rated wind speed is low, hub height is low and tip speed ratio is high under equal rated power
Point, this service life that can be greatly improved unit generation amount and extend unit.
As shown in Figure 1, it is the ways customary schematic diagram for being used to lift wind power generating set in the prior art；Wind-driven generator
Group includes cabin 40, the generator being located inside cabin 40；The wheel hub 30 of 40 one end of cabin is arranged on, is uniformly arranged on wheel hub 30
Three blades 20,21 and 22 of surrounding；Directly it is connected, is led to the lifting lug on 30 outer wall of wheel hub by one end of wheel hub suspender belt 11
The one end for crossing a pair of of cabin suspender belt 12 is correspondingly arranged on the lifting lug of cabin 40 respectively, is hung by the first end and wheel hub of suspender belt 10
Other end connection with 11 and two cabin suspender belts 12, the second end of suspender belt 10 are connected with the suspender that loop wheel machine carries.
The wheel hub and cabin outer wall of suspender and wind power generating set are connected directly, and due to the wheel hub of wind power generating set
And cabin outer wall endurance is limited, and the increase of the fit weight with wind power generating set, it is possible to it is lengthened vanes, machine
The weight increase of whole wind power generating set caused by cabin and hub weight increase etc., then to the drawing of lifting lug in hoisting process
Outer wall stress deformation is easy to cause, intensity may exceed or bear the limit close to boss material at wheel hub suspension centre, so that wind
The outer wall of power generator group deforms and damages.
The content of the invention
The object of the present invention is to provide a kind of special hanger and hanging method for lifting wind power generating set, to solve hanging
Fill wind power generating set when, wheel hub overload the problem of.
In order to realize the above object the present invention is achieved through the following technical solutions：
A kind of special hanger for lifting wind power generating set, comprising：Hanging beam, the main hanging beam section of its setting that includes intersecting with it is horizontal
Beam section, the at one end of the main hanging beam section are equipped with main hanging beam suspension centre.Ratio lever, it is hinged with the main hanging beam section, and it cuts with scissors
Contact is close to the main hanging beam suspension centre.First blade suspender belt and the second blade suspender belt, the first of the first, second blade suspender belt
End is nested with two blades that corresponding wind power generating set is equipped with respectively；The second end of the first, second blade suspender belt
It is connected with one end of the ratio lever.Wheel hub suspender belt, its first end are connected with wheel hub, second end and the ratio lever it is another
One end connects.Length adjuster, it is arranged on the wheel hub suspender belt, for adjusting the length of the wheel hub suspender belt.First machine
Cabin suspender belt and the second cabin suspender belt, the first end of the first and second cabins suspender belt are connected with cabin respectively；First He
The second end of second cabin suspender belt is connected at the both ends of the crossbeam.
Preferably, the main hanging beam section setting orthogonal with beam segments, the hanging beam are in " ten " cabinet frame shape.
Preferably, crossbeam suspension centre is respectively equipped with the both ends of the beam segments, alternatively, being equipped with the center of the beam segments
Crossbeam suspension centre.
Preferably, the special hanger also includes：At least one first suspender belt, at least one second suspender belt, described first
The first end of suspender belt is connected with the main hanging beam suspension centre；The first end of second suspender belt is connected with being located at the crossbeam suspension centre.
What the loop wheel machine that the second end of first suspender belt and the second end of second suspender belt are connected to above the hanging beam carried
On suspender.
Preferably, the ratio lever can be rotated freely around hinge joint in the perpendicular of content ratio lever axis.
The present invention another technical solution be：A kind of hanging method of wind power generating set, includes procedure below：Adopt
The transition carried by the use of special hanger as described above as loop wheel machine between suspender and wind power generating set connects；Determine that wind-force is sent out
The weight of motor group, its gravimetric value are external load；The yield limit of pilot blade and boss material respectively, carries according to outside
The yield limit of lotus, blade and boss material, according to lever principle, calculate ratio lever with the hinge joint of main hanging beam section
Position, determines the position of the fulcrum of ratio lever.After the special hanger and wind power generating set complete lifting connection, risen
Hang.
Preferably, can be by preset ratio lever hinge joint at wheel hub stress during the yield limit of intensity >=boss material
Position is adjusted to away from wheel hub suspension centre direction, until so that intensity meets the surrender pole of the boss material at the wheel hub stress
Limit requires；Or at vane stress during the yield limit of intensity >=blade material, can by preset ratio lever hinge joint position to
Adjusted close to wheel hub suspension centre direction, until so that intensity meets that the yield limit of the blade material will at the vane stress
Ask.
The present invention has the following advantages compared with prior art：
The present invention is by being multi-load point by the neutralizing of single-point load point, so that reduce each suspension centre load, the ratio that general layout of the present invention is equipped with
Example lever can be divided in portion load at each point of load.
The present invention can effectively reduce the problem of wind generator unit wheel hub suspension centre or root of blade load prevent damage hung
The equipment of dress.
The present invention is suitable for the lifting of high-power, major diameter wind wheel Large Scale Oceanic Wind Power Generation unit, or bigger weight
The Wind turbines of amount or the lifting of equipment.
The present invention adjusts the length of wheel hub suspender belt by length adjuster, and one can make up other suspender belts, suspender manufacture misses
Difference, weakening suspender belt length influences sling system；Secondly can Indirect method hang the mounting surface and horizontal plane of wind power generating set
Between angle.
The present invention have it is simple in structure, easy to operate, can greatly save wind power generating set installation period and worker work
The advantages of intensity.
Brief description of the drawings
Fig. 1 is the structure diagram for the suspender for lifting wind power generating set in the prior art；
Fig. 2 is the structure diagram of the special hanger of present invention lifting wind power generating set.
Embodiment
Below in conjunction with attached drawing, by describing a preferable specific embodiment in detail, the present invention is further elaborated.
As shown in Fig. 2, a kind of special hanger for lifting wind power generating set of the present invention, comprising：
Hanging beam, it is the intermediate of load transmission；The hanging beam includes the main hanging beam section 200 and beam segments 201 of orthogonal setting, institute
It is in integrally " ten " cabinet frame shape to state hanging beam.One end of the remote beam segments 201 of the main hanging beam section 200 is equipped with a main hanging beam suspension centre,
The both ends of the beam segments 201 are respectively equipped with crossbeam suspension centre；First suspender belt 100, a pair of second suspender belt 101, first suspender belt
100 first end is connected with the main hanging beam suspension centre；The first end of two second suspender belts 101 is corresponding respectively and described in two
Crossbeam suspension centre connects；The second end of first suspender belt 100 and the second end of two second suspender belts 101 are connected to positioned at institute
State on the suspender that the loop wheel machine above hanging beam carries；
Ratio lever 300, it is hinged with main hanging beam section 200, in the present embodiment, its hinge joint and the main hanging beam suspension centre phase
It is right.In the present embodiment, the ratio lever 300 can be around hinge joint in the axis by ratio lever 300 and main hanging beam section 200
Rotate freely, i.e., rotated freely in the perpendicular of 300 axis of content ratio lever in the plane that axis is formed.
According to lever principle, in the case where external load is constant, i.e. after the weight of wind power generating set determines, according to leaf
The maximum load that can bear of piece suspension centre and wheel hub suspension centre, calculate ratio lever 300 is hinged with main hanging beam section 200
The position of point, that is, confirm the position of the fulcrum of the ratio lever.By definite pro rate blade suspension centre and wheel hub suspension centre institute
The load being subjected to.
First blade suspender belt 102 and the second blade suspender belt 103, the first end of the first blade suspender belt 102 are nested with
On one blade 20, the first end of the second blade suspender belt 103 is nested with the second blade 21, the first blade suspender belt 102 and
One end of the second end of two blade suspender belts 103 and the ratio lever 300 connects.
Wheel hub suspender belt 106, its first end are connected with wheel hub 30, on wheel hub formed wheel hub suspension centre, its second end with it is described
The other end connection of ratio lever 300.
Length adjuster 400, it is arranged on the wheel hub suspender belt 106, for adjusting the length of the wheel hub suspender belt 106
Degree.
First cabin suspender belt 104 and the second cabin suspender belt 105, the first cabin suspender belt 104 and the second cabin suspender belt 105
First end be connected respectively with the cabin；The second end of the first cabin suspender belt 104 and the second cabin suspender belt 105 is set respectively
Put at the both ends of the beam segments 201.In the present embodiment, the first cabin suspender belt 104 and the second cabin suspender belt 105 and machine
The line for two suspension centres that the connection in cabin is formed is parallel with the beam segments 201.
In the present embodiment, mentioned cabin suspender belt, wheel hub suspender belt, blade suspender belt and the one the second suspender belts, can adopt
With the suspender belt of identical flexible suspender belt or unlike material.
In the present embodiment, the hanging beam can also be equipped with one end of the remote beam segments 201 of the main hanging beam section 200
One main hanging beam suspension centre, is equipped with a crossbeam suspension centre at the center of the beam segments 201.
In the present embodiment, in the case where external load is constant, i.e. after the weight of wind power generating set determines, leaf is tested
The yield limit of piece and boss material, records the surrender pole of the weight according to wind power generating set, blade and boss material
Limit, calculates the position with the hinge joint of main hanging beam section 200 of ratio lever 300, that is, confirms the position of the fulcrum of the ratio lever
Put.After position of the fulcrum determines, according to lever principle, it is determined that the intensity size at vane stress and at wheel hub stress, alternatively,
The numerical value of the pulling force at vane stress and at wheel hub stress is determined.
After the special hanger and wind power generating set complete lifting connection, lifting test can be carried out, at wheel hub stress
During the yield limit of intensity >=boss material, preset ratio lever hinge joint position can be adjusted to away from wheel hub suspension centre direction,
Until so that intensity meets the yield limit requirement of the boss material at the wheel hub stress；Or at vane stress intensity >=
During the yield limit of blade material, preset ratio lever hinge joint position can be adjusted to close to wheel hub suspension centre direction, until making
Obtain the yield limit requirement that intensity at the vane stress meets the blade material.
The present invention adjusts the length of wheel hub suspender belt by length adjuster, and one can make up other suspender belts, suspender manufacture misses
Difference, weakening suspender belt length influences sling system；Secondly can Indirect method hang the mounting surface and horizontal plane of wind power generating set
Between angle.
The mounting surface of above-mentioned hung wind power generating set for containing hub central axle and with cabin upper surface and/or following table
The parallel face in face.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (7)
1. a kind of special hanger for lifting wind power generating set, it is characterised in that include：
Hanging beam, main the hanging beam section and beam segments of its setting that includes intersecting, the at one end of the main hanging beam section are equipped with main hanging beam
Suspension centre；
Ratio lever, it is hinged with the main hanging beam section, and its hinge joint is close to the main hanging beam suspension centre；
First blade suspender belt and the second blade suspender belt, the first end of the first, second blade suspender belt are nested with corresponding respectively
On two blades that wind power generating set is equipped with；The one of the second end of the first, second blade suspender belt and the ratio lever
End connection；
Wheel hub suspender belt, its first end are connected with wheel hub, the other end connection of second end and the ratio lever；
Length adjuster, it is arranged on the wheel hub suspender belt, for adjusting the length of the wheel hub suspender belt；
First cabin suspender belt and the second cabin suspender belt, the first end of the first and second cabins suspender belt are connected with cabin respectively；
The second end of the first and second cabins suspender belt is connected at the both ends of the crossbeam.
2. the special hanger of lifting wind power generating set as claimed in claim 1, it is characterised in that
The main hanging beam section setting orthogonal with beam segments, the hanging beam are in " ten " cabinet frame shape.
3. the special hanger of lifting wind power generating set as claimed in claim 1, it is characterised in that
Crossbeam suspension centre is respectively equipped with the both ends of the beam segments, alternatively, being equipped with crossbeam suspension centre at the center of the beam segments.
4. the special hanger of lifting wind power generating set as claimed in claim 3, it is characterised in that
The special hanger also includes：At least one first suspender belt, at least one second suspender belt, the first end of first suspender belt
It is connected with the main hanging beam suspension centre；The first end of second suspender belt is connected with being located at the crossbeam suspension centre；
The second end of the second end of first suspender belt and second suspender belt be connected to loop wheel machine above the hanging beam from
On the suspender of band.
5. the special hanger of lifting wind power generating set as claimed in claim 1, it is characterised in that
The ratio lever can rotate freely in the perpendicular of axis of the hinge joint in content ratio lever.
6. a kind of hanging method of wind power generating set, it is characterised in that include procedure below：Using in such as claim 1 ~ 5
Special hanger described in any one claim carries the transition connection between suspender and wind power generating set as loop wheel machine；
Determine the weight of wind power generating set, its gravimetric value is external load；The surrender pole of pilot blade and boss material respectively
Limit,
According to external load, the yield limit of blade and boss material, according to lever principle, calculates ratio lever and main hanging beam
The position of the hinge joint of section, determines the position of the fulcrum of ratio lever；
After the special hanger and wind power generating set complete lifting connection, lifted by crane.
7. the hanging method of the wind power generating set as described in power requires 6, it is characterised in that the lifting includes procedure below：
, can be by preset ratio lever hinge joint position to away from wheel at wheel hub stress during the yield limit of intensity >=boss material
Hub suspension centre direction adjusts, until so that intensity meets the yield limit requirement of the boss material at the wheel hub stress；
Or at vane stress during the yield limit of intensity >=blade material, can be by preset ratio lever hinge joint position to close
Wheel hub suspension centre direction adjusts, until so that intensity meets the yield limit requirement of the blade material at the vane stress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711240508.9A CN107954309B (en) | 2017-11-30 | 2017-11-30 | Special lifting appliance for lifting wind generating set and lifting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711240508.9A CN107954309B (en) | 2017-11-30 | 2017-11-30 | Special lifting appliance for lifting wind generating set and lifting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107954309A true CN107954309A (en) | 2018-04-24 |
| CN107954309B CN107954309B (en) | 2020-05-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711240508.9A Active CN107954309B (en) | 2017-11-30 | 2017-11-30 | Special lifting appliance for lifting wind generating set and lifting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107954309B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550538A (en) * | 2019-09-27 | 2019-12-10 | 江苏金风科技有限公司 | Lifting appliance |
| WO2024067929A1 (en) * | 2022-09-30 | 2024-04-04 | Vestas Wind Systems A/S | A lifting arrangement and method for installing a component of a wind turbine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202848861U (en) * | 2012-10-08 | 2013-04-03 | 北京金风科创风电设备有限公司 | Impeller hoisting device for wind generating set |
| CN103601064A (en) * | 2013-10-30 | 2014-02-26 | 浙江大学 | Balancing hanging beam used for blower fan single blade suspension setting |
| CN204823664U (en) * | 2015-08-04 | 2015-12-02 | 田明超 | Adjustable combination hoist |
| CN205678265U (en) * | 2016-03-29 | 2016-11-09 | 江苏信泰机械有限公司 | A kind of lever balance suspension and support |
| WO2017071719A1 (en) * | 2015-10-30 | 2017-05-04 | Vestas Wind Systems A/S | Blade lifting method and apparatus |
-
2017
- 2017-11-30 CN CN201711240508.9A patent/CN107954309B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202848861U (en) * | 2012-10-08 | 2013-04-03 | 北京金风科创风电设备有限公司 | Impeller hoisting device for wind generating set |
| CN103601064A (en) * | 2013-10-30 | 2014-02-26 | 浙江大学 | Balancing hanging beam used for blower fan single blade suspension setting |
| CN204823664U (en) * | 2015-08-04 | 2015-12-02 | 田明超 | Adjustable combination hoist |
| WO2017071719A1 (en) * | 2015-10-30 | 2017-05-04 | Vestas Wind Systems A/S | Blade lifting method and apparatus |
| CN205678265U (en) * | 2016-03-29 | 2016-11-09 | 江苏信泰机械有限公司 | A kind of lever balance suspension and support |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550538A (en) * | 2019-09-27 | 2019-12-10 | 江苏金风科技有限公司 | Lifting appliance |
| WO2024067929A1 (en) * | 2022-09-30 | 2024-04-04 | Vestas Wind Systems A/S | A lifting arrangement and method for installing a component of a wind turbine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107954309B (en) | 2020-05-01 |
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Address after: 200241 Dongchuan Road, Shanghai, No. 555, building No. 8, floor, floor, No. Patentee after: Shanghai Electric Wind Power Group Co., Ltd Address before: 200241, 4 floor, building 555, 4 Dongchuan Road, Shanghai, Minhang District Patentee before: SHANGHAI ELECTRIC WIND POWER GROUP Co.,Ltd. |