CN115076038A - Wind turbine generator set foundation ring positioning and mounting device and mounting method - Google Patents
Wind turbine generator set foundation ring positioning and mounting device and mounting method Download PDFInfo
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- CN115076038A CN115076038A CN202210826305.2A CN202210826305A CN115076038A CN 115076038 A CN115076038 A CN 115076038A CN 202210826305 A CN202210826305 A CN 202210826305A CN 115076038 A CN115076038 A CN 115076038A
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- 230000007306 turnover Effects 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
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- 230000008569 process Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 32
- 230000003028 elevating effect Effects 0.000 claims description 20
- 238000003466 welding Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 2
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- 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
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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- 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
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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Abstract
The invention discloses a positioning and mounting device and a positioning and mounting method for a foundation ring of a wind turbine generator, wherein the foundation ring comprises a cylinder body, an upper flange and a lower flange, a plurality of adjusting screws are circumferentially arranged on the lower flange, the foundation ring is mounted on a plurality of supports, each support comprises a pre-embedded plate, an H steel upright post and a mounting plate, a group of positioning and mounting devices are mounted on each support, and each positioning and mounting device comprises a first connecting piece, a turnover driving assembly, a turnover plate, a second connecting piece and a lifting platform assembly. The positioning and mounting device provided by the invention assists in mounting the foundation ring, so that the mounting precision and the mounting efficiency can be ensured, and safety accidents in the mounting process can be avoided.
Description
Technical Field
The invention relates to the technical field related to wind power generation, in particular to a positioning and mounting device and a positioning and mounting method for a foundation ring of a wind turbine generator.
Background
In the installation process of the wind generating set, the foundation ring 3 needs to be installed firstly, and the installation difficulty of the wind turbine tower is determined by the installation accuracy of the foundation ring 3, so that the installation of the foundation ring 3 has strict requirements.
As shown in fig. 1 and 2, the foundation ring 3 is mainly formed by welding an upper flange 31, a cylinder 32 and a lower flange 33, and the lower flange 33 is matched with the bracket 1 to realize the installation and fixation of the foundation ring 3. The lower flange 33 of the foundation ring 3 is generally provided with three adjusting hole positions along the circumferential direction, and the adjusting hole positions are internally provided with adjusting screws 34 and nuts for accurately leveling the foundation ring 3. The bracket 1 for supporting the foundation ring 3 is generally made of H-shaped steel, the bottom of the H-shaped steel is fixed in the concrete foundation through an embedded plate 11, and the top of the H-shaped steel is welded with a mounting plate 13 for supporting an adjusting screw 34.
The conventional foundation ring installation process is generally as follows: firstly, the support 1 is fixed, then a positioning circle mark 131 corresponding to the center of the screw is positioned on the mounting plate 13 according to the mounting position of the foundation ring 3, and when the foundation ring 3 is hoisted by a crane and the foundation ring 3 is required to fall, the center of the adjusting screw 34 is just positioned in the middle of the positioning circle.
During general actual construction, when the foundation ring 3 is hoisted firstly and the bottom of the screw rod of the foundation ring is 5cm away from the upper end surface of the mounting plate 13, the screw rod is moved to the position of the positioning circle by manually rotating the foundation ring 3, the foundation ring 3 falls after adjustment so that the screw rod is contacted with the mounting plate 13, and if the screw rod is not in the middle of the positioning circle after the foundation ring 3 falls, the foundation ring needs to be hoisted for readjustment. Due to the influence of factors such as large size, heavy weight and external wind power of the foundation ring 3, the foundation ring 3 can be adjusted in place through the steps often for many times, time and labor are wasted, and meanwhile, certain danger is brought to operators.
Disclosure of Invention
The invention aims to provide a positioning and mounting device and a positioning and mounting method for a foundation ring of a wind turbine generator.
In order to realize the purpose, the invention is realized by the following technical scheme:
a wind turbine generator base ring positioning and mounting device is used for mounting a base ring, wherein the base ring comprises a cylinder body, an upper flange and a lower flange, a plurality of adjusting screws are circumferentially arranged on the lower flange, the base ring is mounted on a plurality of supports, and each support comprises an embedded plate, an H steel stand column and a mounting plate;
the wind turbine generator foundation ring positioning and mounting device comprises a positioning and mounting device, the positioning and mounting device comprises a first connecting piece, a turnover driving component, a turnover plate, a second connecting piece and a lifting platform component, a group of positioning and mounting devices are mounted on each bracket, wherein,
the first connecting piece is detachably connected to one side of the H steel stand column, the turnover driving assembly is fixed on the first connecting piece, the second connecting piece is detachably connected to the mounting plate, the lifting platform assembly is fixed on the second connecting piece, the bottom of the turnover plate is hinged to the outer side of the second connecting piece, and one side of the turnover plate is connected to the turnover driving assembly through a connecting rod assembly;
the turnover plate can turn towards the center of the installation position of the base ring under the driving of the turnover driving assembly, and when the turnover plates of the positioning and installing devices turn inwards to the limit position, the lower flange circumferential surface of the base ring can be positioned;
the lifting platform assembly is used for supporting the bottom surface of the lower flange of the base ring, and after the position of the base ring is adjusted, the lifting platform assembly controls the base ring to fall down, so that the bottom of the adjusting screw rod is in contact with the mounting plate, and the lifting platform assembly is provided with a plurality of second guide rollers.
As an alternative to this, the first and second,
a positioning circle mark corresponding to the position of the adjusting screw is arranged on the mounting plate;
the second connecting piece and the lifting platform component are arranged on the outer side of the positioning circle mark.
As an alternative to this, the first and second,
the first connecting piece is arranged perpendicular to the H steel upright post and comprises a fixed connecting piece and an expansion piece;
the fixed connecting piece is used for connecting with the side surface of the H-shaped upright post;
the overturning driving assembly is arranged on the telescopic piece, and the distance between the overturning driving assembly and the H steel stand column can be adjusted through the telescopic piece.
As an alternative to this, the first and second,
the fixed connecting piece is a flat plate and is detachably connected with the H steel upright post through a fastener;
or the fixed connecting piece is a magnetic base and is fixed on the H steel upright post through magnetic adsorption.
As an alternative to this, the first and second,
the overturning driving component is a linear lifting unit;
the connecting rod assembly comprises a first hinge joint, a second hinge joint and a connecting rod, the first hinge joint is connected to the linear lifting unit, two ends of the connecting rod are hinged to the first hinge joint and the second hinge joint respectively, and the second hinge joint is connected to the turnover plate.
Alternatively, the linear elevating unit is an automatic elevating structure or a manual elevating structure.
As an alternative to this, the first and second,
a first guide roller is arranged on the inner side surface of the turnover plate;
and a plurality of second guide rollers are arranged on the upper surface of the lifting platform component.
As an alternative to this, the first and second,
the first guide roller is vertically arranged on the turnover plate and used for guiding the circumferential surface of the lower flange when the foundation ring rotates;
and the second guide rollers are arranged in an arc line and used for guiding the bottom surface of the lower flange when the foundation ring rotates.
As an alternative to this, the first and second,
the second connecting piece is of a rectangular magnetic seat type structure;
the lifting platform component is of a manual or automatic lifting structure.
A wind turbine generator base ring positioning and mounting method uses the wind turbine generator base ring positioning and mounting device and comprises the following steps:
s1, pre-embedding and installing the supports on a concrete foundation according to set positions, drawing positioning circle marks on an installation plate at the top of each support according to the installation positions of foundation rings, wherein the positioning circle marks correspond to the centers of adjusting screws of the foundation rings;
s2, mounting a positioning and mounting device on each bracket, fixedly mounting a first connecting piece on one side of an H-shaped steel upright post, fixedly mounting a second connecting piece on the mounting plate and not shielding a positioning circle mark, wherein the mounting position of the first connecting piece ensures that when the turnover plate is turned inwards to be in a vertical limit state, the innermost side of a first guide roller on the inner side of the turnover plate is attached to the outer circumferential surface of a lower flange when the foundation ring is in the mounting position, and the axis of the first guide roller, the center of the positioning circle mark and the mounting center of the foundation ring are in the same straight line, so that the mounting position of the foundation ring can be positioned through the turnover plate;
s3, adjusting the turnover driving component of each positioning and mounting device to enable the turnover plates to turn outwards to a certain degree, forming a horn-shaped mounting opening with a large upper end and a small lower end by a plurality of turnover plates, and adjusting each lifting platform component to enable the bottom of the adjusting screw to be slightly higher than the upper surface of the mounting plate when the lower flange of the foundation ring is contacted with the second guide roller;
s4, hoisting the foundation ring through a crane, adjusting each overturning driving component by an operator after a lower flange at the bottom of the foundation ring enters a mounting opening formed by a plurality of overturning plates to enable each overturning plate to overturn inwards, pushing the foundation ring to adjust the position in the overturning process of each overturning plate until each overturning plate is in a horizontal state, and adjusting the foundation ring in place;
s5, enabling the basic ring to continuously fall until the lower flange falls onto the second guide roller, rotating the basic ring at the moment, observing the positions of the adjusting screw and the positioning circle mark until the adjusting screw and the positioning circle mark are aligned, adjusting each lifting platform component to fall after the aligning until the bottom of the adjusting screw is contacted with the mounting plate, and completing the position adjustment of the basic ring at the moment;
s6, removing the positioning and mounting device, welding and fixing the adjusting screw rod and the mounting plate, and then realizing accurate leveling of the foundation ring through the nut on the adjusting screw rod.
Compared with the prior art, the invention has the advantages that:
(1) the foundation ring installation device can assist in installation of the foundation ring of the wind turbine generator and can be assembled and disassembled on site, so that the device can be repeatedly used and is high in practicability.
(2) After the fixing is finished, an operator controls the turnover mechanism to act on the outer side, the hoisted foundation ring can be pushed by the turnover plates to adjust the position until the turnover plates cannot act, the foundation ring is enclosed between the turnover plates, and the position is just the installation position of the foundation ring.
(3) When the foundation ring installation device is used, an operator can operate conveniently, and the foundation ring is positioned in the turnover plate when being installed, so that the personal safety of the operator can be ensured.
(4) The invention has simple integral structure design, is easy to adjust, disassemble and assemble, and can carry out automatic control when the action piece is realized by the motor.
(5) The roller structure design can lead the base ring to have guidance in the rotating process, can greatly save the acting force for pushing the base ring to rotate, and is convenient for adjusting the base ring.
(6) The installation method provided by the invention can realize the rapid installation and adjustment of the foundation ring, greatly improve the installation efficiency of the foundation ring compared with the traditional mode, and simultaneously ensure the installation precision of the foundation ring.
Drawings
FIG. 1 is a perspective view showing a structure of a foundation ring in a mounted state of the present invention;
FIG. 2 is a front view structural view of a foundation ring in a mounted state of the present invention;
FIG. 3 is a top view of the base ring of the present invention;
FIG. 4 is a first schematic diagram of the present invention with the foundation ring removed;
FIG. 5 is a second structural view of the present invention with the foundation ring removed;
FIG. 6 is a schematic view of the present invention with the foundation ring and the bracket removed;
FIG. 7 is a schematic illustration of the flipping process of the flipping panel of the present invention;
FIG. 8 is a schematic view of a stent structure according to the present invention;
FIG. 9 is a schematic diagram of the basic ring structure of the present invention;
the meaning of the reference symbols in the figures:
1. a support; 11. pre-burying a plate; 12. h steel upright posts; 13. mounting a plate; 131. positioning a circle mark; 2. positioning the mounting device; 21. a first connecting member; 211. fixing the connecting piece; 212. a telescoping member; 22. a turnover drive assembly; 23. a connecting rod assembly; 231. a first hinge joint; 232. a connecting rod; 233. a second hinge joint; 24. a turnover plate; 241. a first guide roller; 25. a second connecting member; 26. a lifting platform assembly; 261. a second guide roller; 3. a foundation ring; 31. an upper flange; 32. a barrel; 33. a lower flange; 34. adjusting the screw rod.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Fig. 1 to 8 are schematic structural diagrams of a positioning and mounting device for a foundation ring of a wind turbine generator according to an embodiment of the present invention.
The device is mainly used for assisting the installation of the foundation ring 3 on the bracket 1. The support is shown in fig. 8 and mainly comprises an embedded plate 11, an H-steel upright 12 and a mounting plate 13, the foundation ring 3 comprises a cylinder 32, an upper flange 31 and a lower flange 33, and a plurality of adjusting screws 34 are arranged on the lower flange 33 in the circumferential direction.
A set of positioning and mounting devices 2 of the present embodiment is mounted on each bracket 1, wherein the positioning and mounting devices 2 mainly include a first connecting member 21, a turnover driving assembly 22, a turnover plate 24, a second connecting member 25, and a lifting platform assembly 26.
As shown in fig. 4 to 7, the main mounting method of the above structure is as follows: the first connecting piece 25 is connected to one side of the H-shaped steel upright post 12, the first connecting piece 25 is fixedly connected with the H-shaped steel upright post 12, but the first connecting piece 25 and the H-shaped steel upright post 12 can be detached from each other, the overturning driving assembly 22 is fixed on the first connecting piece 25, and the overturning driving assembly 22 is mainly used for driving the overturning plate 24 to perform overturning motion. The second connecting piece 25 is fixed on the mounting plate 13, the second connecting piece 25 is fixedly connected with the mounting plate 13, but the second connecting piece 25 and the mounting plate 13 can be detached from each other, the lifting platform assembly 26 is fixed on the second connecting piece 25, the lifting platform assembly 26 is mainly used for controlling the base ring 3 to fall within a small range, the bottom of the turnover plate 24 is hinged with the outer side of the second connecting piece 25, and one side of the turnover plate is connected to the turnover driving assembly 22 through the connecting rod assembly 23. It can be seen that the positioning and mounting device provided by the present embodiment is a whole structure, and a reliable fixed connection relationship is formed between the two parts and the bracket 1, and the positioning and mounting device is a detachable structure, so that the positioning and mounting device can be mounted on site, and can be detached on site after use.
In this embodiment, the turning plate 24 can be turned towards the center of the installation position of the base ring 3 under the driving of the turning driving assembly 22, when the turning plate 24 of the positioning and installation device is turned inwards to the limit position, the circumferential surface of the lower flange 33 of the base ring 3 can be positioned, that is, after the position of the support 1 is fixed, the device is installed at the proper position of the support 1, the base ring 3 can be positioned through the turning plate 24, the base ring 3 can be moved to the set position through the turning plate 24, the radial position of the base ring 3 can be limited, the adjusting screw 34 of the base ring 3 can be conveniently aligned with the positioning circle, the turning plate 24 adopts a turning structural design, the purpose is to adjust the turning plate 24 to an everting state at the initial stage of falling of the base ring 3, as shown in the second drawing of fig. 7, so that the opening formed at the top of each turning plate 24 is larger, can be convenient with basic ring 3 through this opening whereabouts, and basic ring is at hoist and mount in-process, it is also very light to want to control its radial position adjustment, so, when basic ring 3 falls into between each returning face plate 24, can adjust each returning face plate 24's state, make it become vertical state, along with returning face plate 24's adjustment, returning face plate 24 promotes basic ring 3 and moves, finally make basic ring 3 fix a position at required radial position, when this radial position, only need rotate basic ring 3 and make its circumferential motion, can make adjusting screw 34 can move the central point of location circle just, in order to make things convenient for basic ring 3's positioning adjustment.
The lifting platform assembly 26 of the present embodiment is mainly used for supporting the bottom surface of the lower flange 31 of the foundation ring 3, and after the position of the foundation ring 3 is adjusted, the lifting platform assembly 26 controls the foundation ring to fall down, so that the bottom of the adjusting screw 34 contacts the mounting plate 13. The purpose of designing elevating platform subassembly 26, when needs rotate basic ring 3, can make things convenient for the rotation of basic ring 3, if basic ring 3 directly falls to the bottommost, position when adjusting screw 34 and installation space 13 contact promptly, it is basically impossible to want to rotate basic ring 3 this moment, for this reason, this embodiment is equipped with a plurality of second guide roller 261 at elevating platform subassembly 26 upper surface, when flange 31 falls on second guide roller 261, begin to rotate basic ring 3 in order to adjust adjusting screw 34's position, less turning force that provides through second guide roller 261 can conveniently drive and rotate basic ring 3, after adjusting basic ring 3, through elevating platform subassembly 26 control basic ring 3 slowly fall can. This elevating platform subassembly 26 also can make things convenient for demolising of this device simultaneously, and when foundation ring 3 dropped to the bottommost, made elevating platform subassembly 26 continue to fall a definite position, foundation ring 3 can't continue to exert pressure to elevating platform subassembly 26, can be convenient at this moment demolish second connecting piece 25.
In the present embodiment, the height of the foundation ring 3 is 1900mm, the outer diameter of the lower flange 33 at the bottom of the foundation ring 3 is 4500mm, the H-steel upright 12 is made of HW200 × 8 × 12H-steel, the mounting plate is made of 40 × 400 steel plate, and the positioning of the foundation ring 3 and the mounting position of the present apparatus are mainly measured by a total station, a leveling instrument, and the like.
In order to better implement the device, the following specific technical solutions are provided in this embodiment.
Wherein, be equipped with the location circle sign 131 that corresponds adjusting screw 34 position on mounting panel 13, this location circle sign 131 can be measured after the installation of support 1 and obtain, the mode sign of location circle sign 131 accessible ruling is at mounting panel 13 upper surface, can make things convenient for adjusting screw 34's alignment through location circle sign 131, also can confirm the mounted position of second connecting piece 25, wherein, second connecting piece 25, elevating platform subassembly 26 all should be as setting up the outside at location circle sign 131, in order to avoid at basic ring 3 rotation in-process, the unable normal top of moving to location circle sign 131 of adjusting screw 34.
And in the embodiment, the second connecting member 25 is preferably a rectangular magnetic base structure, and can be fixed on the mounting plate 13 by manually rotating the magnetic switch or by means of electromagnetic force, so as to facilitate the disassembly and design of the structure. The elevating platform assembly 26 preferably adopts a manual elevating structure, and is shown as a scissor-type elevating structure, and the elevating platform is controlled by a hand wheel, so that the elevating platform can be realized, and under the condition that the elevating platform is allowed, a conventional electric elevating structure can be adopted, so that the automatic control is conveniently realized. And the second guide rollers 261 are provided in plural, and arranged in an arc shape therebetween, the arc shape being designed according to the rotation trajectory of the base ring 3, so as to facilitate the rotation of the base ring 3.
The first connecting member 21 is mainly used for connecting with the H-steel column 12 and for supporting the tilt driving assembly 22, which is disposed perpendicular to the H-steel column 12. Specifically, first connecting piece 21 includes fixed connection piece 211 and extensible member 212, and the fixed connection piece 211 of illustration is a flat board, is provided with rectangular mounting hole on it, and when adopting this structure, need set up corresponding connecting hole on H steel stand 12, fixed connection piece 211 also can adopt structure when magnetic force adsorbs, need not to set up the connecting hole on H steel stand 12 this moment, and it can to fix through magnetic force fixed connection piece 211. The telescoping members 212 are of conventional telescoping construction, bolted in place, and are shown as two telescoping arrangements, primarily to facilitate position adjustment of the tumble drive assembly 22. Tumble drive assembly 22 is disposed on telescoping member 212. The flipping drive assembly 22 may be configured to drive the flipping panel 24 to flip. In this embodiment, as shown in the figure, the turnover driving component 22 is a linear lifting unit (existing structure), the connecting rod assembly 23 includes a first hinge 231, a second hinge 233 and a connecting rod 232, the first hinge 231 is connected to the linear lifting unit, two ends of the connecting rod 232 are respectively connected to the first hinge 231 and the second hinge 233 in a hinged manner, and the second hinge 233 is connected to the turnover plate 24. The linear lifting unit can be manually controlled or automatically controlled, the manual control is realized by manually rotating a hand wheel, and the automatic control is realized by electrically driving a motor.
Because the turning plate 24 is used for limiting the foundation ring 3, in order to avoid increasing the friction force when the foundation ring 3 rotates, in the embodiment, a first guiding roller 241 is further arranged on the inner side surface of the turning plate 24, and is mainly used for realizing guiding and labor saving when the foundation ring 3 rotates.
Based on the positioning, mounting and installing device provided by the above embodiment, the embodiment provides a positioning and installing method of a foundation ring, and the installing method mainly comprises the following steps:
s1, mounting work of the bracket 1:
firstly, pre-burying and installing the supports 1 on a concrete foundation according to a set position, drawing a positioning circle mark 131 on an installation plate 13 at the top of each support 1 according to the installation position of a foundation ring 3, wherein the positioning circle mark 131 is corresponding to the central position of an adjusting screw 34 of the foundation ring 3, namely the positioning circle mark 131 is mainly used for positioning the foundation ring;
s2, mounting of the positioning and mounting device 2:
firstly, fixedly installing a first connecting piece 21 at one side of an H steel upright post 12, fixedly installing a second connecting piece 25 on an installation plate 13 and not shielding a positioning circle mark 131, wherein the installation position of the first connecting piece 21 is to ensure that when the turnover plate 24 is turned inwards to be in a vertical limit state, the innermost side of a first guide roller 241 at the inner side of the turnover plate 24 is attached to the outer circumferential surface of a lower flange 33 when the base ring 3 is at the installation position, and the axis of the first guide roller 241, the center of the positioning circle mark 131 and the installation center of the base ring 3 are in the same straight line;
in the actual operation process, the position of the outer circumference of the lower flange 33 can be calculated by determining the positioning circle mark 131, and when the vertical state of the turnover plate 24 can be determined by connecting the installation center of the base ring 3 to the positioning circle mark 131 and extending to the circle of the outer circumference of the lower flange 33, the position of the first guide roller 241 can be determined, so that the installation of the second connecting piece 25 can be determined, and thus, the base ring 3 can be ensured to be limited at the fixed installation position;
s3, initial position adjustment:
firstly, the overturning driving component 22 of each positioning and mounting device is adjusted to enable the overturning plates 24 to be outwards overturned to a certain degree, and at the moment, the overturning plates 24 form a horn-shaped mounting opening with a large upper end and a small lower end, so that the foundation ring 3 can conveniently fall down;
then, adjusting each lifting platform assembly 25 to make the bottom of the adjusting screw 34 still slightly higher than the upper surface of the mounting plate 13 when the lower flange 33 of the base ring 3 contacts the second guide roller 261, wherein the adjustment can ensure that the adjusting screw 34 does not contact the mounting plate 13 when the lower flange 33 is supported by the second guide roller 261, so that the next step of rotation of the base ring 3 can be facilitated;
s4, hoisting:
hoisting the foundation ring 3 by a crane, adjusting each overturning driving component 22 by an operator after a lower flange 33 at the bottom of the foundation ring 3 enters a mounting opening formed by a plurality of overturning plates 24 to enable each overturning plate 24 to overturn inwards, wherein the foundation ring 3 is in a hoisting state and is easy to move under external force, so that the foundation ring 3 is gradually pushed to a central position in the overturning process of each overturning plate 24 until each overturning plate 24 is in a horizontal state (reaches a limit position), the foundation ring 3 is adjusted in place, and the radial position of the foundation ring 3 is determined at the moment;
s5, positioning:
the foundation ring 3 is made to continuously fall until the lower flange 33 falls onto the second guide roller 261, at this time, the foundation ring 3 is rotated (a steel bar or a lever can be used to pass through a steel bar hole on the barrel 31 of the foundation ring 3, torsion is applied to the steel bar or the lever to rotate the foundation ring 3, and under the action of the guide rollers, the foundation ring 3 is rotated simply), the positions of the adjusting screw 34 and the positioning circular mark 131 are observed until the two are centered, and after the centering, each lifting platform assembly 26 is adjusted to fall until the bottom of the adjusting screw 34 is contacted with the mounting plate 13, and at this time, the position adjustment of the foundation ring 3 is completed;
s6, accurate leveling:
and (3) removing the positioning and mounting device 2, welding and fixing the adjusting screw 34 and the mounting plate 13, and accurately leveling the foundation ring 3 through a nut on the adjusting screw 34.
Claims (10)
1. The utility model provides a wind turbine generator system foundation ring location installation device for the installation of foundation ring (3), foundation ring (3) include barrel (32), go up flange (31) and lower flange (33), and lower flange (33) circumference sets up a plurality of adjusting screw (34), and foundation ring (3) are installed on a plurality of support (1), and support (1) are including pre-buried board (11), H steel stand (12) and mounting panel (13), its characterized in that:
comprises positioning and mounting devices (2), wherein each positioning and mounting device (2) comprises a first connecting piece (21), an overturning driving component (22), an overturning plate (24), a second connecting piece (25) and a lifting platform component (26), a group of positioning and mounting devices (2) are mounted on each bracket (1),
the first connecting piece (21) is detachably connected to one side of the H-shaped steel upright post (12), the overturning driving assembly (22) is fixed on the first connecting piece (21), the second connecting piece (25) is detachably connected to the mounting plate (13), the lifting platform assembly (26) is fixed on the second connecting piece (25), the bottom of the overturning plate (24) is hinged to the outer side of the second connecting piece (25), and one side of the overturning plate (24) is connected to the overturning driving assembly (22) through a connecting rod assembly (23);
the turnover plate (24) can turn towards the center of the installation position of the foundation ring (3) under the drive of the turnover drive component (22), and when the turnover plates (24) of the positioning installation devices (2) turn inwards to the limit position, the circumferential surfaces of the lower flanges (33) of the foundation ring (3) can be positioned;
elevating platform subassembly (26) are used for supporting lower flange (33) bottom surface of basic ring (3), and after basic ring (3) adjusted the position, control basic ring (3) whereabouts through elevating platform subassembly (26), make adjusting screw (34) bottom and mounting panel (13) contact, are equipped with a plurality of second guide roller (261) on elevating platform subassembly (26).
2. The wind turbine generator base ring positioning and mounting device as claimed in claim 1, wherein:
a positioning circle mark (131) corresponding to the position of the adjusting screw rod (34) is arranged on the mounting plate (13);
the second connecting piece (25) and the lifting platform assembly (26) are arranged on the outer side of the positioning circle mark (131).
3. The wind turbine generator base ring positioning and mounting device as claimed in claim 1, wherein:
the first connecting piece (21) is perpendicular to the H steel upright post (12), and the first connecting piece (21) comprises a fixed connecting piece (211) and an expansion piece (212);
the fixed connecting piece (211) is used for being connected with the side surface of the H rigid upright post (12);
the overturning driving assembly (22) is arranged on the telescopic piece (212) and can adjust the distance between the overturning driving assembly and the H-shaped steel upright post (12) through the telescopic piece (212).
4. The wind turbine generator base ring positioning and mounting device as claimed in claim 3, wherein:
the fixed connecting piece (211) is a flat plate and is detachably connected with the H steel upright post (12) through a fastener;
or the fixed connecting piece (211) is a magnetic base and is fixed on the H-shaped steel upright post (12) through magnetic adsorption.
5. The wind turbine generator base ring positioning and mounting device as claimed in claim 1, wherein:
the overturning driving component (22) is a linear lifting unit;
link assembly (23) include first articulated joint (231), second articulated joint (233) and connecting rod (232), and first articulated joint (231) are connected in sharp lift unit, and connecting rod (232) both ends are articulated with first articulated joint (231), second articulated joint (233) respectively, and second articulated joint (233) are connected in returning face plate (24).
6. The wind turbine generator base ring positioning and mounting device as claimed in claim 5, wherein: the linear lifting unit is of an automatic lifting structure or a manual lifting structure.
7. The wind turbine generator base ring positioning and mounting device as claimed in claim 1, wherein:
a first guide roller (241) is arranged on the inner side surface of the turnover plate (24);
and a plurality of second guide rollers (261) are arranged on the upper surface of the lifting platform assembly (26).
8. The wind turbine generator base ring positioning and mounting device as claimed in claim 7, wherein:
the first guide roller (241) is vertically arranged on the turnover plate (24) and used for guiding the circumferential surface of the lower flange (33) when the foundation ring (3) rotates;
the second guide rollers (261) are arranged in an arc line and used for guiding the bottom surface of the lower flange (33) when the base ring (3) rotates.
9. The wind turbine generator base ring positioning and mounting device as claimed in claim 1, wherein:
the second connecting piece (25) is of a rectangular magnetic seat type structure;
the lifting platform component (26) is of a manual or automatic lifting structure.
10. A wind turbine generator base ring positioning and mounting method using the wind turbine generator base ring positioning and mounting device according to claim 2, characterized in that: the installation method comprises the following steps:
s1, pre-embedding the brackets (1) on a concrete foundation according to a set position, drawing a positioning circle mark (131) on the mounting plate (13) at the top of each bracket (1) according to the mounting position of the foundation ring (3), wherein the positioning circle mark (131) corresponds to the center of the adjusting screw (34) of the foundation ring (3);
s2, installing a positioning and installing device (2) on each support (1), fixedly installing a first connecting piece (21) on one side of an H-steel upright post (12), fixedly installing a second connecting piece (25) on an installing plate (13) and not shielding a positioning circular mark (131), wherein the installing position of the first connecting piece (21) ensures that when the turnover plate (24) is turned inwards to be in a vertical limit state, the innermost side of a first guide roller (241) on the inner side of the turnover plate (24) is attached to the outer circumferential surface of a lower flange (33) when the base ring (3) is in the installing position, and the axis of the first guide roller (241), the center of the positioning circular mark (131) and the installing center of the base ring (3) are in the same straight line, so that the installing position of the base ring (3) can be positioned through the turnover plate (24);
s3, adjusting the overturning driving assembly (22) of each positioning and mounting device (2) to enable the overturning plates (24) to overturn outwards to a certain degree, forming a horn-shaped mounting opening with a large upper end and a small lower end by the overturning plates (24), adjusting each lifting platform assembly (26) to enable the bottom of the adjusting screw rod (34) to be still slightly higher than the upper surface of the mounting plate (13) when the lower flange (33) of the base ring (3) is in contact with the second guide roller (261);
s4, hoisting the foundation ring (3) through a crane, adjusting each overturning driving component (22) by an operator after a lower flange (33) at the bottom of the foundation ring (3) enters a mounting opening formed by a plurality of overturning plates (24), so that each overturning plate (24) is overturned inwards, pushing the foundation ring (3) to adjust the position in the overturning process of each overturning plate (24), and adjusting the foundation ring (3) in place until each overturning plate (24) is in a horizontal state;
s5, enabling the foundation ring (3) to continuously fall until the lower flange (33) falls onto the second guide roller (261), rotating the foundation ring (3), observing the positions of the adjusting screw (34) and the positioning circular mark (131) until the positions of the adjusting screw and the positioning circular mark are centered, adjusting each lifting platform assembly (26) to fall after centering until the bottom of the adjusting screw (34) is contacted with the mounting plate (13), and adjusting the position of the foundation ring (3) at this time;
s6, removing the positioning and mounting device (2), welding and fixing the adjusting screw (34) and the mounting plate (13), and accurately leveling the foundation ring (3) through the nut on the adjusting screw (34).
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| CN202210826305.2A CN115076038B (en) | 2022-07-13 | 2022-07-13 | Positioning and mounting device and method for foundation ring of wind turbine generator |
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| CN202210826305.2A CN115076038B (en) | 2022-07-13 | 2022-07-13 | Positioning and mounting device and method for foundation ring of wind turbine generator |
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