CN116534704A - Flange for hoisting tower drum of wind generating set, pulley trolley and hoisting method - Google Patents

Flange for hoisting tower drum of wind generating set, pulley trolley and hoisting method Download PDF

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Publication number
CN116534704A
CN116534704A CN202310316591.2A CN202310316591A CN116534704A CN 116534704 A CN116534704 A CN 116534704A CN 202310316591 A CN202310316591 A CN 202310316591A CN 116534704 A CN116534704 A CN 116534704A
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CN
China
Prior art keywords
flange
tower
hoisting
hinging
hinge
Prior art date
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Pending
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CN202310316591.2A
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Chinese (zh)
Inventor
宁红超
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Guodian United Power Technology Co Ltd
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Guodian United Power Technology Co Ltd
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Application filed by Guodian United Power Technology Co Ltd filed Critical Guodian United Power Technology Co Ltd
Priority to CN202310316591.2A priority Critical patent/CN116534704A/en
Publication of CN116534704A publication Critical patent/CN116534704A/en
Pending legal-status Critical Current

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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
    • F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
    • 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
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • 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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  • 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 a tower hoisting tool, in particular to a flange for hoisting a tower of a wind generating set, which comprises a first flange (1) and a second flange (2) capable of being connected with the first flange (1), wherein a first hinging part (101) is arranged on the outer circumferential surface of the first flange (1), a second hinging part (201) is arranged on the outer circumferential surface of the second flange (2), and the first hinging part (101) and the second hinging part (201) are hinged through a hinging shaft (10) so as to form detachable hinging connection of the first flange (1) and the second flange (2). In addition, the invention also relates to a pulley trolley and a hoisting method. The flange for hoisting the tower barrel of the wind generating set is convenient for hoisting the tower barrel of the wind generating set, and improves the working efficiency.

Description

Flange for hoisting tower drum of wind generating set, pulley trolley and hoisting method
Technical Field
The invention relates to a tower hoisting tool, in particular to a tower hoisting flange of a wind generating set. In addition, the invention also relates to a pulley trolley and a hoisting method.
Background
The wind generating set refers to equipment for converting wind energy into electric energy, and the tower drum is taken as a main supporting structure of the equipment, and is one of the most important components of the wind generating set. The tower barrel of the land wind turbine generator is a cylindrical or conical high-rise tower, and is usually formed by rolling and welding steel plates. In order to facilitate transportation, in the tower processing production process, the tower is generally divided into a plurality of sections for production and processing, and flanges are designed at two ends of the tower sections and used for connecting the tower sections. After the tower drum is transported to the wind field machine position, the tower drum is hung to a designated position by a crane and is connected and fixed by a high-strength bolt.
At present, in the prior art, the tower cylinder is hoisted by adopting a main crane and an auxiliary crane which are matched, however, the hoisting mode can have larger space requirement on an operation platform, the time consumed by a crane in a place is longer, the working efficiency is lower, thereby affecting the construction progress of wind power projects and causing the problems of long occupied time and high cost of places and equipment.
In view of the foregoing, it is desirable to provide a flange, a pulley trolley and a hoisting method for hoisting a tower of a wind turbine generator system, so as to solve or overcome the above-mentioned technical problems.
Disclosure of Invention
The technical problem to be solved by the first aspect of the invention is to provide the flange for hoisting the tower barrel of the wind generating set, which is convenient for hoisting the tower barrel of the wind generating set and improves the working efficiency.
The technical problem to be solved by the second aspect of the invention is to provide the pulley trolley which is convenient for hoisting the tower of the wind generating set, and improves the working efficiency.
The technical problem to be solved by the third aspect of the invention is to provide a hoisting method, which is simple to construct, solves the problem of high dependence on crane equipment in the development process of batch wind power projects, can develop multi-working-face hoisting construction, effectively shortens the engineering period and reduces the engineering cost.
In order to solve the technical problem, a first aspect of the present invention provides a flange for hoisting a tower of a wind turbine generator system, which comprises a first flange and a second flange capable of being connected with the first flange, wherein a first hinge part is arranged on the outer circumferential surface of the first flange, a second hinge part is arranged on the outer circumferential surface of the second flange, and the first hinge part and the second hinge part are hinged through a hinge shaft so as to form detachable hinge connection of the first flange and the second flange.
Preferably, the number of the first hinge parts is at least two, and the first hinge parts are uniformly distributed on the outer peripheral surface of the first flange, and the number of the second hinge parts is at least two, and the second hinge parts are uniformly distributed on the outer peripheral surface of the second flange.
Preferably, the first hinge part comprises two first ear plates arranged in parallel, a first connecting hole is formed in each first ear plate, the second hinge part comprises a second ear plate, a second connecting hole matched with the first ear plate is formed in each second ear plate, the second ear plates can be inserted between the two first ear plates, and the hinge shaft can penetrate through the first connecting hole and the second connecting hole.
Preferably, the cross section of the first flange is annular, and a plurality of first tower connecting holes for connecting with the end face of the tower are formed in the end face of the first flange.
Specifically, the first tower connection holes are equidistantly arranged around the central axis of the first flange.
Preferably, the cross section of the second flange is annular, and a plurality of second tower connecting holes for connecting with the end face of the tower are formed in the end face of the second flange.
Specifically, the second tower connecting holes are equidistantly distributed around the central axis of the second flange.
The second aspect of the invention provides a pulley trolley, which comprises a chassis, wherein the lower surface of the chassis is provided with a plurality of casters, the upper surface of the chassis is provided with a connecting piece, and the connecting piece is hinged with a first hinge part through a hinge shaft.
The third aspect of the invention provides a hoisting method, comprising the following steps:
s01, setting the first flange as a foundation flange, fixedly connecting the bottom end of the lower tower with the second flange, and hinging the second flange with the foundation flange; s02, hinging the top end of the lower section tower barrel and one end of the middle section tower barrel through the foundation flange and the second flange, fixedly connecting the other end of the middle section tower barrel and one end of the upper section tower barrel through the first flange and the second flange, fixedly connecting the other end of the upper section tower barrel and the first flange, and hinging the first hinging part of the first flange and the connecting piece of the pulley trolley; s03, lifting the upper end of the lower tower barrel by adopting an auxiliary lifting appliance, connecting a traction rope with the second hinge part of the second flange at the bottom end of the lower tower barrel after penetrating through the first connecting hole of the foundation flange, and fixedly connecting the foundation flange with the second flange after erecting the lower tower barrel by the traction rope and the auxiliary lifting appliance; s04, erecting the middle section tower barrel and the upper section tower barrel in the same mode as in the step S03, and fixedly connecting the first flange and the second flange between the middle section tower barrel and the lower section tower barrel.
Preferably, one of the first hinge parts of the first flange in the step S01 is hinged with one of the second hinge parts of the second flange in the step S01 through a hinge shaft.
Through the technical scheme, the flange for hoisting the tower barrel of the wind generating set has the following beneficial effects:
the flange for hoisting the wind turbine tower comprises a first flange and a second flange which can be connected with the first flange, wherein a first hinging part is arranged on the outer circumferential surface of the first flange, a second hinging part is arranged on the outer circumferential surface of the second flange, and the first hinging part and the second hinging part are hinged through a hinging shaft so as to form the first flange and the second flange into detachable hinged connection.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the description serve to explain, without limitation, the invention. In the drawings:
FIG. 1 is a schematic structural view of an embodiment of a first flange of a flange for hoisting a tower of a wind turbine generator system according to the present invention;
FIG. 2 is a schematic structural view of an embodiment of a second flange of the flange for hoisting a tower of a wind turbine generator system according to the present invention;
FIG. 3 is one of the flow charts of one embodiment of the hoisting method of the present invention;
FIG. 4 is a second flow chart of an embodiment of the lifting method of the present invention;
FIG. 5 is a third flow chart of an embodiment of the lifting method of the present invention;
FIG. 6 is a flow chart of a fourth embodiment of the lifting method of the present invention;
FIG. 7 is a fifth flow chart of one embodiment of the lifting method of the present invention;
FIG. 8 is a flow chart of a specific embodiment of the lifting method of the present invention;
FIG. 9 is a flow chart of a hoisting method according to a seventh embodiment of the invention;
FIG. 10 is a schematic illustration of a flow chart eighth of one embodiment of the lifting method of the present invention;
FIG. 11 is a schematic structural view of one embodiment of the pulley cart of the present invention;
fig. 12 is a flow chart of the steps of the hoisting method of the invention.
Description of the reference numerals
1 first flange 101 first hinge
1010 first connection hole 102 first tower connection hole
2 second flange 201 second hinge
2010 second connection hole 202 second tower connection hole
3 chassis 4 castor
5 connecting piece 6 lower section tower section of thick bamboo
7 middle section tower 8 upper section tower
9 winch 10 hinge shaft
Detailed Description
The following detailed description of the embodiments of the invention is provided in connection with the accompanying drawings, it being understood that the embodiments described herein are for purposes of illustration and explanation only, and the scope of the invention is not limited to the following embodiments.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and for example, they may be fixedly connected, detachably connected, or integrally connected; either directly or indirectly via an intermediate medium, or in communication with each other or in interaction with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be understood that, in the following description, terms such as "top", "bottom", etc. are referred to for clarity in describing the technical solution of the present invention, and "bottom" refers to the end closer to the ground and "top" refers to the end farther from the ground, based on the orientation of the tower of the wind turbine generator system in normal use. The positional terms are based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention.
Referring to fig. 1 to 10, the present invention provides a flange for hoisting a tower of a wind turbine generator system, which includes a first flange 1 and a second flange 2 capable of being connected to the first flange 1, wherein a first hinge portion 101 is provided on an outer circumferential surface of the first flange 1, a second hinge portion 201 is provided on an outer circumferential surface of the second flange 2, and the first hinge portion 101 and the second hinge portion 201 are hinged by a hinge shaft 10 so as to be capable of detachably hinge-connecting the first flange 1 and the second flange 2.
The flange for hoisting the tower drum of the wind generating set mainly comprises two parts: in order to facilitate hoisting of the wind generating set tower in the hoisting process of the wind generating set tower, the first flange 1 and the second flange 2 are matched in use in the hoisting process. Specifically, the present invention is configured such that the first hinge portion 101 is provided on the outer circumferential surface of the first flange 1 and the second hinge portion 201 is provided on the outer circumferential surface of the second flange 2, and the first hinge portion 101 and the second hinge portion 201 can be hinge-coupled by the hinge shaft 10, so that the first flange 1 and the second flange 2 can be detachably hinge-coupled by the first hinge portion 101 and the second hinge portion 201, and the hinge shaft 10 can be bolt-coupled. When a tower (hereinafter, simply referred to as a tower) of a wind turbine generator is hoisted, the first flange 1 and the second flange 2 are installed at the ends of two adjacent tower sections in a sleeved manner.
For a tower drum of a wind generating set, the tower drum is generally cylindrical or conical, and is generally divided into a plurality of drum segments for production during production and processing, the end parts of two adjacent drum segments are respectively provided with a first flange 1 and a second flange 2, and the first flange 1 and the second flange 2 can be connected with each other. The invention improves the hoisting structure at two ends of a barrel section in the prior art, innovatively sets the hoisting structure as the first flange 1 and the second flange 2, and the first flange 1 and the second flange 2 can be detachably hinged, so that adjacent barrel sections are detachably connected, the whole tower barrel is split into a plurality of barrel sections, and the barrel sections are connected by utilizing the first flange 1 and the second flange 2 which are in complete sets, thereby being more beneficial to hoisting.
In the above basic embodiment of the present invention, the first flange 1 and the second flange 2 of the present invention are hinged by using the hinge shaft 10, specifically, the first hinge portion 101 of the first flange 1 and the second hinge portion 201 of the second flange 2 are hinged by using the hinge shaft 10, so that both the first flange 1 and the second flange 2 can rotate around the central axis of the hinge shaft 10, and the structure is simple, so that the upper barrel section can rotate around the central axis of the hinge shaft 10 after the lower barrel section is fixed during the lifting process, and the upper barrel section is rotated from the inclined state to the vertical state by using the lifting rope, as shown in fig. 8.
Preferably, in order to fix the first flange 1 and the second flange 2, the number of the first hinge parts 101 is at least two, and the first hinge parts 101 are uniformly distributed on the outer circumferential surface of the first flange 1, and in order to correspond to the first hinge parts 101, the number of the second hinge parts 201 are at least two, and the second hinge parts 201 are uniformly distributed on the outer circumferential surface of the second flange 2, and by providing a plurality of the first hinge parts 101 and a plurality of the second hinge parts 201, the end surface of the first flange 1 and the end surface of the second flange 2 can be fixedly connected. As can be seen from fig. 1 to 10, the first hinge portion 101 and the second hinge portion 201 of the present invention are respectively provided in two, and in view of the fact that the first hinge portion 101 and the second hinge portion 201 are detachably hinged, when the fixed connection between the first flange 1 and the second flange 2 is changed to the hinge connection, only the hinge structure between the first flange 1 and the second flange 2 needs to be removed, and one of the hinge structures is reserved, that is, one of the first hinge portion 101 and one of the second hinge portion 201 are reserved, so that the hinge connection between the first flange 1 and the second flange 2 can be realized.
Preferably, in order to facilitate the hinge between the first hinge part 101 and the second hinge part 201 through the hinge shaft 10, the first hinge part 101 includes two parallel first ear plates with a space therebetween, a first connection hole 1010 is provided on the first ear plates, the second hinge part 201 includes a second ear plate with a second connection hole 2010 for being engaged with the first ear plates, the second ear plates can be inserted between the two first ear plates, and the first connection hole 1010 and the second connection hole 2010 are adapted to pass through the hinge shaft 10. When the first hinge part 101 and the second hinge part 201 are connected, the first ear plate and the second ear plate need to be butted, that is, the second ear plate is first inserted between the two first ear plates, then the hinge shaft 10 passes through the first connection hole 1010 and the second connection hole 2010, the hinge shaft 10 can be fixed by adopting bolts matched with the first connection hole 1010 and the second connection hole 2010, and finally nuts. It should be noted that, when the first flange 1 and the second flange 2 are hinged, the hinge shaft 10 may use shear bolts, and when the second flange 2 and the first flange 1 are fixedly connected, the hinge shaft 10 may use high-strength bolts. In order to facilitate the butt joint between the first and second ear plates, the first connection hole 1010 may be provided near the outer circumferential edge of the first ear plate, and the second connection hole 2010 may be provided near the outer circumferential edge of the second ear plate, so that the end surface of the first flange 1 can be assembled with the end surface of the second flange 2 in place after the first and second hinge parts 101 and 201 are connected.
Preferably, the cross section of the first flange 1 is circular, and a plurality of first tower tube connecting holes 102 for connecting with the end surfaces of the tube sections are arranged on the end surfaces of the first flange 1, and the first tower tube connecting holes 102 are through holes, so that the first flange 1 and the end surfaces of the tube sections can be connected through fasteners.
Specifically, the first tower connecting holes 102 are arranged equidistantly around the central axis of the first flange 1, so that the first flange 1 and the end face of the tower section can be connected and stably connected through the first tower connecting holes 102.
Because the first flange 1 is fixedly connected with the end face of the barrel section and is connected with the second flange 2, in order to facilitate the fixation of the barrel sections through the first flange 1 and the second flange 2, preferably, the cross section of the second flange 2 is the same as the cross section of the first flange 1, and is also in a circular shape, and a plurality of second tower barrel connecting holes 202 for being connected with the end face of the tower barrel are formed in the end face of the second flange 2.
Specifically, the second tower connection holes 202 are arranged equidistantly around the central axis of the second flange 2.
As shown in fig. 11, a second aspect of the present invention provides a pulley cart including a chassis 3, a plurality of casters 4 provided on a lower surface of the chassis 3, a link 5 provided on an upper surface of the chassis 3, the link 5 and a first hinge 101 being hinged by a hinge shaft 10.
In the above basic embodiment of the pulley cart according to the present invention, as shown in fig. 6, after the pulley cart is hinged to the first hinge portion 101 by the connecting member 5, the first flange 1 rotates around the hinge shaft 10, so that sufficient support can be provided for one end of the tube section during the lifting process of each tube section, and the movement and use of the tube section are facilitated.
The third aspect of the invention provides a hoisting method, comprising the following steps:
s01, setting a first flange 1 as a foundation flange, fixedly connecting the bottom end of a lower tower tube 6 with a second flange 2, and hinging the second flange 2 with the foundation flange;
s02, hinging the top end of the lower section tower barrel 6 and one end of the middle section tower barrel 7 through a foundation flange and a second flange 2, fixedly connecting the other end of the middle section tower barrel 7 and one end of the upper section tower barrel 8 through a first flange 1 and a second flange 2, fixedly connecting the other end of the upper section tower barrel 8 and the first flange 1, and hinging a first hinging part 101 of the first flange 1 with a connecting piece 5 of the pulley trolley;
s03, lifting the upper end of the lower tower 6 by adopting an auxiliary lifting appliance, connecting a traction rope with the second hinge part 201 of the second flange 2 at the bottom end of the lower tower 6 after penetrating through the first connecting hole 1010 of the foundation flange, and fixedly connecting the foundation flange with the second flange 2 after erecting the lower tower 6 by the traction rope and the auxiliary lifting appliance;
s04, erecting the middle-section tower barrel 7 and the upper-section tower barrel 8 in the same manner as in the step S03, and fixedly connecting the first flange 1 and the second flange 2 between the middle-section tower barrel 7 and the lower-section tower barrel 6.
In the above basic embodiment of the lifting method according to the present invention, it can be seen that the wind turbine generator system tower is split into three sections for lifting, including a lower section tower 6, a middle section tower 7 and an upper section tower 8, the lower section tower 6, the middle section tower 7 and the upper section tower 8 are sequentially located at the lower part, the middle part and the upper part of the tower from bottom to top, the lifting method according to the present invention can be summarized into four steps, as shown in fig. 3, the foundation flange is provided as a first flange 1, so that it can be hinged with a second flange 2 at the bottom end of the lower section tower 6, during the lifting process of the wind turbine generator system tower, as shown in fig. 7 and 8, the upper end of the lower section tower 6 is lifted by an auxiliary lifting tool, as shown in fig. 7 and 8, and the second hinge part 201 of the second flange 2 at the bottom end of the lower section tower 6 is connected with the second flange 6 by a winch 9 and a traction rope after passing through the first connection hole 1010 of the foundation flange so as to facilitate the traction of the lower section tower 6 to stand, and after the lower section tower 6 stands, the second flange 2 at the bottom of the lower section tower 6 is fixedly connected with the second flange 2 at the bottom end of the foundation flange. As shown in fig. 4 to 6 and 9, in order to erect the middle tower drum 7 and the upper tower drum 8 in the same manner, the top end of the lower tower drum 6 and one end of the middle tower drum 7, which is close to the lower tower drum 6, are hinged by adopting the flange for lifting the wind generating set tower drum according to the invention, and the middle tower drum 7 and the upper tower drum 8 are fixedly connected by adopting the flange for lifting the wind generating set tower drum according to the invention, so that the upper tower drum 8 is conveniently moved in the lifting process, the friction force during movement is reduced, and simultaneously, the lower tower drum 6, the middle tower drum 7 and the upper tower drum 8 are conveniently pulled, and the top end of the upper tower drum 8, namely one end, which is far from the middle tower drum 7, is hinged and connected with the connecting piece 5 of the pulley trolley according to the invention. The middle tower 7 and the upper Duan Datong are erected in the same manner as the lower tower 6, and the description thereof will not be repeated here.
Preferably, one of the first hinge parts 101 of the first flange 1 in S01 is hinged with one of the second hinge parts 201 of the second flange 2 in S01 through the hinge shaft 10. That is, the first flange 1 and the second flange 2 can rotate in a hinged connection manner, and after rotation, the end face of the first flange 1 and the end face of the second flange 2 can be fixedly connected.
In conclusion, the flange and pulley trolley for hoisting the tower of the wind generating set are convenient for hoisting the tower of the wind generating set, and improve the working efficiency. Meanwhile, compared with the prior art adopting a turning hoisting mode of matching a main hoisting machine and an auxiliary hoisting machine, the hoisting method has the advantages of smaller space requirement on an operation platform and higher working efficiency.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the invention are not described in detail in order to avoid unnecessary repetition.
Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.

Claims (10)

1. The utility model provides a wind generating set tower is flange for hoist and mount, its characterized in that, include first flange (1) and can with second flange (2) that first flange (1) is connected, be equipped with first articulated portion (101) on the outer peripheral face of first flange (1), be equipped with second articulated portion (201) on the outer peripheral face of second flange (2), first articulated portion (101) with second articulated portion (201) are articulated through articulated shaft (10), in order to can with first flange (1) with second flange (2) are formed into and dismantle articulated the connection.
2. The flange for hoisting the tower of the wind generating set according to claim 1, wherein the number of the first hinging parts (101) is at least two, and the first hinging parts (201) are uniformly distributed on the outer peripheral surface of the first flange (1), and the second hinging parts (201) are at least two, and the second hinging parts are uniformly distributed on the outer peripheral surface of the second flange (2).
3. The flange for hoisting a tower of a wind turbine generator system according to claim 2, wherein the first hinge part (101) comprises two first ear plates arranged in parallel, a first connecting hole (1010) is formed in the first ear plate, the second hinge part (201) comprises a second ear plate, a second connecting hole (2010) for being matched with the first ear plate is formed in the second ear plate, the second ear plate can be inserted between the two first ear plates, and the hinge shaft (10) can pass through the first connecting hole (1010) and the second connecting hole (2010).
4. A wind turbine tower hoisting flange according to any one of claims 1-3, characterized in that the cross section of the first flange (1) is ring-shaped, and a plurality of first tower connecting holes (102) for connecting with the tower end surface are arranged on the end surface.
5. The flange for hoisting a tower of a wind turbine generator system according to claim 4, wherein the first tower connecting holes (102) are arranged equidistantly around the central axis of the first flange (1).
6. The flange for hoisting the tower of the wind generating set according to claim 5, wherein the cross section of the second flange (2) is circular, and a plurality of second tower connecting holes (202) for connecting with the end face of the tower are arranged on the end face of the second flange.
7. The flange for hoisting a tower of a wind turbine generator system according to claim 6, wherein the second tower connecting holes (202) are arranged equidistantly around the central axis of the second flange (2).
8. The pulley trolley is characterized by comprising a chassis (3), wherein a plurality of casters (4) are arranged on the lower surface of the chassis, a connecting piece (5) is arranged on the upper surface of the chassis (3), and the connecting piece (5) and the first hinging part (101) are hinged through a hinging shaft (10).
9. The hoisting method is characterized by comprising the following steps of:
s01, setting the first flange (1) as a foundation flange, fixedly connecting the bottom end of a lower tower barrel (6) with the second flange (2), and hinging the second flange (2) with the foundation flange;
s02, hinging the top end of the lower section tower barrel (6) and one end of the middle section tower barrel (7) through the foundation flange and the second flange (2), fixedly connecting the other end of the middle section tower barrel (7) and one end of the upper section tower barrel (8) through the first flange (1) and the second flange (2), fixedly connecting the other end of the upper section tower barrel (8) and the first flange (1), and hinging the first hinging part (101) of the first flange (1) and the connecting piece (5) of the pulley trolley;
s03, lifting the upper end of the lower tower barrel (6) by adopting an auxiliary lifting appliance, enabling a traction rope to pass through the first connecting hole (1010) of the foundation flange and then be connected with the second hinge part (201) of the second flange (2) at the bottom end of the lower tower barrel (6), and fixedly connecting the foundation flange with the second flange (2) after the lower tower barrel (6) is erected by the traction rope and the auxiliary lifting appliance;
s04, erecting the middle section tower barrel (7) and the upper section tower barrel (8) in the same mode as in the step S03, and fixedly connecting the first flange (1) and the second flange (2) between the middle section tower barrel (7) and the lower section tower barrel (6).
10. Hoisting method according to claim 9, characterized in that one of the first hinge parts (101) of the first flange (1) in step S01 is hinged to one of the second hinge parts (201) of the second flange (2) in step S01 by means of a hinge shaft (10).
CN202310316591.2A 2023-03-28 2023-03-28 Flange for hoisting tower drum of wind generating set, pulley trolley and hoisting method Pending CN116534704A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310316591.2A CN116534704A (en) 2023-03-28 2023-03-28 Flange for hoisting tower drum of wind generating set, pulley trolley and hoisting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310316591.2A CN116534704A (en) 2023-03-28 2023-03-28 Flange for hoisting tower drum of wind generating set, pulley trolley and hoisting method

Publications (1)

Publication Number Publication Date
CN116534704A true CN116534704A (en) 2023-08-04

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