Adjustable anti-deformation tool for wind turbine generator tower drum flange

Abstract

The utility model discloses an adjustable anti-deformation tool for a wind turbine generator tower flange. The adjustable anti-deformation tool comprises an adjustable supporting frame and a movable wheel assembly. The two ends of the adjustable supporting frame are each rotationally provided with a plurality of movable wheel assemblies, and each movable wheel assembly is correspondingly connected with one bolt hole of a tower drum flange. The adjustable supporting frame comprises adjusting bolts and two supports, the two supports are connected through the adjusting bolts, one end of each support is provided with a plurality of mounting holes allowing the adjusting bolts to penetrate through, the mounting holes of the two supports are in one-to-one correspondence, the two ends of each adjusting bolt extend into the two supports, and the two ends of each adjusting bolt extend into the two supports. The adjusting bolt is in threaded connection with a plurality of limiting nuts corresponding to the two supports, and the distance between the two supports can be adjusted through the limiting nuts; by means of the adjustable supporting frame with the adjustable height and the movable wheel assembly with the adjustable angle, flexible adjusting and supporting can be carried out according to the diameters of different tower drum flanges.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-deformation tooling for a tower flange of a wind turbine generator set, in particular to an anti-deformation tooling for an adjustable tower flange of a wind turbine generator set. Background Art

[0002] Due to the large size and weight of the tower, the deformation of the tower needs to be strictly controlled during site stacking and long-distance transportation to avoid on-site installation problems caused by tower deformation. In order to prevent further deformation, it is necessary to use corresponding fixed anti-deformation devices to prevent tower deformation.

[0003] However, the traditional tower Pozidriv support used in the prior art prevents the tower flange from deforming by the friction of bolts. However, the tooling may lose its ability to prevent deformation due to workers not tightening the torque or vibration during tower transportation. At the same time, the conventional Pozidriv support is only applicable to tower flanges of one diameter size, and is less economical. Utility Model Content

[0004] The utility model aims to solve the deficiencies in the prior art and provides an adjustable wind turbine tower flange anti-deformation tooling, which utilizes an adjustable support frame with adjustable height and a movable wheel assembly with adjustable angle to flexibly adjust the support according to the diameters of different tower flanges.

[0005] To achieve the above-mentioned purpose, the technical solution provided by the utility model is: an adjustable wind turbine tower flange anti-deformation tooling, including an adjustable support frame and a movable wheel assembly; multiple movable wheel assemblies are rotatably installed on both ends of the adjustable support frame, and each movable wheel assembly is correspondingly connected to one of the bolt holes of the tower flange; the adjustable support frame includes an adjusting bolt and a bracket, and there are two brackets, and the two brackets are connected by multiple adjusting bolts, wherein one end of each bracket is provided with multiple mounting holes for the adjusting bolts to be inserted, and the mounting holes of the two brackets are one-to-one corresponding, the two ends of the adjusting bolt extend into the two brackets, and the adjusting bolts are threaded with multiple limit nuts corresponding to the two brackets, and the distance between the two brackets can be adjusted by the limit nuts.

[0006] Furthermore, the bracket includes a support unit and a connecting column, the support unit includes a connecting cross brace and a support column, there are three support columns, the three support columns are arranged parallel to each other and are connected as a whole through the connecting cross brace, there are two support units, and the connecting column can be detachably installed between the support columns of two support units.

[0007] Furthermore, the connecting cross brace is an H-shaped steel connecting cross brace, and the supporting column is an H-shaped steel supporting column.

[0008] Furthermore, the movable wheel assembly includes a pin shaft and its matching locking pin, a support plate, a bolt, a sleeve, a movable wheel, a fixed plate and a fixing bolt; one end of the support plate is rotatably connected to one end of the support column through the pin shaft and its matching locking pin, the support plate is provided with at least two through holes for installing the movable wheel, the sleeve is inserted into the through holes and the hub of the movable wheel, so that the movable wheel is rotatably supported on the support plate, the bolt is inserted into the sleeve and forms a threaded connection with the sleeve, one end of the fixing plate is provided with a circular bolt hole, the fixing bolt is inserted into the circular bolt hole and the support plate, so that the fixing plate and the support plate are connected together, the other end of the fixing plate is provided with a long strip bolt hole, the fixing bolt is inserted into the long strip bolt hole and the bolt hole of the tower flange, so that the fixing plate and the tower flange are movably connected.

[0009] Furthermore, the movable wheel is a rubber wheel.

[0010] Furthermore, the support plate is a triangular support plate.

[0011] Furthermore, the adjusting bolt includes an adjusting screw and a limiting nut, the two ends of the adjusting screw extend into the two brackets, and the limiting nut has a plurality of threaded connections with the adjusting screw and is respectively located on both sides of the mounting hole of each bracket.

[0012] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0013] The utility model can be flexibly adjusted according to the diameters of different tower flanges, and the length adjustment of the adjustable support frame can be achieved by controlling the distance of the support by adjusting the bolts and selecting connecting columns of different heights in the support frame; at the same time, the movable wheel assemblies rotatably installed at both ends of the adjustable support frame can adjust their rotation angles following the curvature of the tower flange, thereby facilitating the connection of the tooling as a whole with the tower flange, and the tooling is installed in the inner circle of the tower flange, which can effectively prevent the tower flange from deformation as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the movable wheel assembly.

[0016] Figure 3 It is a schematic diagram of the connection structure between the adjusting bolt and the bracket.

[0017] Figure 4 The utility model is a schematic diagram of the installation structure on the tower flange.

[0018] Figure 5 Schematic diagram of the process before and after adjustment of the adjusting bolt. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with specific embodiments.

[0020] See also Figures 1 to 4 As shown, the adjustable wind turbine tower flange anti-deformation tooling provided in this embodiment includes an adjustable support frame and a movable wheel assembly;

[0021] The adjustable support frame includes an adjusting bolt 1 and a bracket 2; the bracket 2 has two, the bracket 2 includes a support unit 201 and a connecting column 202, the support unit 201 includes a connecting cross brace 2011 and a support column 2012, the support column 2012 has three, the three support columns 2012 are arranged parallel to each other and connected as a whole through the connecting cross brace 2011, the support unit 201 has two, the connecting column 202 is detachably installed between the support columns 2012 of the two support units 201, wherein the connecting cross brace 201 1 and the support column 2012 are made of H-shaped steel; the two brackets 2 are connected by a plurality of adjusting bolts 1, wherein one end of each bracket 2 is provided with a plurality of mounting holes for the adjusting bolts 1 to penetrate, and the mounting holes of the two brackets 2 are one-to-one corresponding; the adjusting bolt 1 comprises an adjusting screw rod 101 and a limiting nut 102, the two ends of the adjusting screw rod 101 extend into the two brackets 2, the limiting nut 102 has four threaded connections with the adjusting screw rod 101, and are respectively located on both sides of the mounting holes of each bracket 2, and the distance between the two brackets 2 can be adjusted by the limiting nut 102.

[0022] The movable wheel assembly 3 includes a pin shaft and a matching locking pin 301, a triangular support plate 302, a bolt 303, a sleeve 304, a rubber wheel 305, a fixing plate 306 and a fixing bolt 307; one end of the triangular support plate 302 is rotatably connected to one end of the support column 2012 through the pin shaft and the matching locking pin 301, and the triangular support plate 301 is provided with at least two through holes for installing the rubber wheel 305. The sleeve 304 is inserted into the through hole and the wheel hub of the rubber wheel 305, so that the rubber wheel 305 is rotatably supported on the triangular support plate 30 2, the bolt 303 penetrates into the sleeve 304 and forms a threaded connection with the sleeve 304, one end of the fixing plate 306 is provided with a circular bolt hole 3061, the fixing bolt 307 penetrates into the circular bolt hole 3061 and the triangular support plate 302, so that the fixing plate 306 and the triangular support plate 302 are connected together, the other end of the fixing plate 306 is provided with a long strip bolt hole 3062, the fixing bolt 307 penetrates into the long strip bolt hole 3062 and the bolt hole of the tower flange a, so that the fixing plate 306 and the tower flange a form a movable connection.

[0023] See also Figures 4 to 5 As shown, the installation method of the adjustable wind turbine tower flange anti-deformation tooling provided in this embodiment is as follows:

[0024] 1) Assemble the tooling and adjust the adjusting bolts to the tightest state so that the entire tooling is at the minimum length;

[0025] 2) Use a crane to lift the tooling, transfer it to the front of the tower flange, and slowly move it to the position that needs support;

[0026] 3) Turn the limit nut on the adjusting bolt to increase the distance between the upper and lower brackets. Since the rubber wheel itself has good elasticity, it will contact the inner ring of the flange after the distance is increased, and the nut should continue to be turned;

[0027] 4) Use professional instruments to measure the flange ovality. If it does not meet the preset requirements, continue to turn the limit nut on the adjusting bolt until it meets the required position;

[0028] 5) Rotate the fixing plate to the appropriate hole position of the tower flange, insert the fixing bolts, and tighten the bolts according to the preload value. This fixing plate is to prevent the displacement of the tooling due to vibration during transportation, affecting the support effect;

[0029] 6) Use a marker to make vertical marks on all threads and nuts so that it is easy to find if the nut is loose;

[0030] 7) Complete the installation.

[0031] The embodiments described above are only preferred embodiments of the present invention, and are not intended to limit the scope of implementation of the present invention. Therefore, all changes made based on the shape and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable wind turbine tower flange anti-deformation tool, characterized by: It includes an adjustable support frame and a movable wheel assembly; multiple movable wheel assemblies are rotatably installed on both ends of the adjustable support frame, and each movable wheel assembly is correspondingly connected to one of the bolt holes of the tower flange; the adjustable support frame includes an adjusting bolt and a bracket, and there are two brackets, and the two brackets are connected by multiple adjusting bolts, wherein one end of each bracket is provided with multiple mounting holes for the adjusting bolts to be inserted, and the mounting holes of the two brackets are one-to-one corresponding, the two ends of the adjusting bolt extend into the two brackets, and the adjusting bolts are threaded with multiple limit nuts corresponding to the two brackets for adjusting the distance between the two brackets.

2. The adjustable wind turbine tower flange anti-deformation tool according to claim 1, characterized in that: The bracket includes a support unit and a connecting column, and the support unit includes a connecting cross brace and a support column. There are three support columns, which are arranged parallel to each other and connected into a whole through the connecting cross brace. There are two support units, and the connecting column can be detachably installed between the support columns of two support units.

3. The adjustable wind turbine tower flange anti-deformation tool according to claim 2, characterized in that: The connecting cross brace is an H-shaped steel connecting cross brace, and the supporting column is an H-shaped steel supporting column.

4. The adjustable wind turbine tower flange anti-deformation tool according to claim 2, characterized in that: The movable wheel assembly includes a pin shaft and its matching locking pin, a support plate, a bolt, a sleeve, a movable wheel, a fixed plate and a fixing bolt; one end of the support plate is rotatably connected to one end of the support column through the pin shaft and its matching locking pin, the support plate is provided with at least two through holes for installing the movable wheel, the sleeve is inserted into the through holes and the hub of the movable wheel, so that the movable wheel is rotatably supported on the support plate, the bolt is inserted into the sleeve and forms a threaded connection with the sleeve, one end of the fixing plate is provided with a circular bolt hole, the fixing bolt is inserted into the circular bolt hole and the support plate, so that the fixing plate and the support plate are connected together, the other end of the fixing plate is provided with a long strip bolt hole, the fixing bolt is inserted into the long strip bolt hole and the bolt hole of the tower flange, so that the fixing plate and the tower flange form a movable connection.

5. The adjustable wind turbine tower flange anti-deformation tool according to claim 4, characterized in that: The movable wheel is a rubber wheel.

6. The adjustable wind turbine tower flange anti-deformation tool according to claim 4, characterized in that: The support plate is a triangular support plate.

7. The adjustable wind turbine tower flange anti-deformation tool according to claim 1, characterized in that: The adjusting bolt comprises an adjusting screw and a limiting nut. Both ends of the adjusting screw extend into two brackets. The limiting nut has a plurality of threads connected with the adjusting screw and is respectively located on both sides of the mounting holes of each bracket.

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