Static deviation correction device for wind indicator

Abstract

The utility model discloses a static deviation correction device for a wind indicator, which comprises a protractor tool detachably connected to a cross beam, the protractor tool comprises a fixed seat connected with the cross beam, and the upper end face of the fixed seat is connected with a protractor mounting seat. The edge of one end of the upper plate surface of the protractor mounting seat is provided with a semicircular avoiding hole through which the vertical rod of the wind indicator passes, and the periphery of the avoiding hole is provided with a semicircular protractor; the pointer tool is detachably connected to the wind indicator vertical rod and comprises a pointer fixing block, the pointer fixing block comprises a first connecting block and a second connecting block, one end of the first connecting block is hinged to the second connecting block, and the other end of the first connecting block is connected with the second connecting block through a first fixing bolt; the bottom surface of the second connecting block is connected with a pointer, and the pointer vertically points to the scales on the protractor. Through the cooperation of the protractor tool and the pointer tool, the direction of the wind indicator can be corrected, and the installation precision of the wind indicator is further ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power generation, and more specifically, to a static deviation correction device for a wind vane. Background Art

[0002] A wind turbine is a device that converts wind energy into electrical energy. In a wind turbine, the yaw system is one of the important components of the wind turbine. It cooperates with the control system of the wind turbine to keep the wind turbine always facing the wind and make full use of wind energy. Through the wind turbine, wind energy is converted into mechanical energy, driving the internal rotor to rotate and generating alternating current.

[0003] The wind vane is one of the important components for controlling the wind direction of the unit. Since the wind vane is located at the tail of the nacelle, the initial installation error of the wind vane affects the accuracy of the measurement results, and further causes different degrees of wind direction deviation during the operation of large wind turbines. The wind direction deviation will result in the loss of the output performance of the unit, directly affecting the power generation of the wind turbine and causing economic losses. Summary of the Utility Model

[0004] In view of the above technical problems in the related art, the present utility model provides a static deviation correction device for a wind vane, which can solve the above problems.

[0005] To achieve the above technical objectives, the technical solution of the present utility model is realized as follows:

[0006] A static deviation correction device for a wind vane, comprising:

[0007] A protractor tooling detachably connected to a cross beam. The protractor tooling includes a fixed seat connected to the cross beam. The upper end surface of the fixed seat is connected with a protractor mounting seat. One end edge of the upper plate surface of the protractor mounting seat is provided with a semi-circular avoidance hole for the wind vane vertical rod to pass through, and a semi-circular protractor is provided around the avoidance hole;

[0008] A pointer tooling detachably connected to the wind vane vertical rod. The pointer tooling includes a pointer fixing block. The pointer fixing block includes a first connecting block and a second connecting block. One end of the first connecting block is hinged to the second connecting block, and the other end of the first connecting block is connected to the second connecting block through a first fixing bolt. A pointer is connected to the bottom surface of the second connecting block, and the pointer vertically points to the scale on the protractor.

[0009] Further, the fixing base includes a first horizontal plate, and two first vertical plates are symmetrically connected to both sides of the first horizontal plate. The distance between the two first vertical plates is greater than the width of the cross beam, and two second fixing bolts are connected to each of the two first vertical plates. Threaded hole one adapted to the second fixing bolt is provided on the first vertical plate.

[0010] Further, the protractor mounting base includes a second horizontal plate. The second horizontal plate has an L-shaped structure. A second vertical plate and a third vertical plate are respectively connected to both sides of the second horizontal plate. The second vertical plate and the third vertical plate are connected to the upper end surface of the first horizontal plate. One end of the second horizontal plate extends out of the plate surface of the first horizontal plate, and the avoidance hole is located on the plate surface of the extended end of the second horizontal plate.

[0011] Further, a first center line is provided on the upper end surface of the cross beam, a second center line aligned with the first center line is provided on the upper end surface of the first horizontal plate, and a third center line aligned with the second center line is provided on the upper end surface of the second horizontal plate.

[0012] Further, the angular range of the scale is -90° to 90°, wherein the 90° scale line is parallel to the third center line, and the 0° scale line is perpendicular to the direction of the head and tail of the nacelle.

[0013] Further, the part of the wind vane pole for connecting with the pointer tooling is of a cylindrical structure.

[0014] Further, threaded hole two adapted to the first fixing bolt is provided on both the first connecting block and the second connecting block, and arc-shaped mounting grooves are provided on both the first connecting block and the second connecting block.

[0015] The beneficial effects of the present utility model: When the wind vane is initially installed and the direction pointed by the wind vane is not perpendicular to the direction of the head and tail of the nacelle, through the cooperation of the protractor tooling and the pointer tooling, the direction pointed by the wind vane can be corrected in this application. The installation is quick and convenient, further ensuring the installation accuracy of the wind vane, reducing the different degrees of wind deviation generated during the operation of large wind turbines, and reducing the impact on the power generation of the wind turbine generator set. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] The following further elaborates on the present utility model based on the drawings.

[0018] Figure 1 It is a schematic structural diagram when a wind vane static deviation correction device described in an embodiment of the present utility model is connected to a wind vane;

[0019] Figure 2 is Figure 1 a partial enlarged view of A in;

[0020] Figure 3 It is a schematic structural diagram of a protractor tooling described in an embodiment of the present utility model.

[0021] In the figure:

[0022] 1, cross beam; 2, wind vane; 3, fixed seat; 4, protractor mounting seat; 4-1, avoidance hole; 5, protractor; 6, pointer fixing block; 7, pointer; 8, center line one; 9, center line two; 10, second fixing bolt; 11, first fixing bolt; 12, center line three. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art belong to the protection scope of the present utility model.

[0024] As Figures 1-3 shown, according to the present utility model, a wind vane static deviation correction device is disclosed, including: a protractor tooling detachably connected to the cross beam 1, the protractor tooling includes a fixed seat 3 connected to the cross beam 1, the upper end surface of the fixed seat 3 is connected with a protractor mounting seat 4, one end edge of the upper plate surface of the protractor mounting seat 4 is provided with a semi-circular avoidance hole 4-1 for the wind vane vertical rod to pass through, and a semi-circular protractor 5 is arranged around the avoidance hole 4-1; a pointer tooling detachably connected to the wind vane vertical rod, the pointer tooling includes a pointer fixing block 6, the pointer fixing block 6 includes a first connecting block and a second connecting block, one end of the first connecting block is hinged to the second connecting block, the other end of the first connecting block is connected to the second connecting block through a first fixing bolt 11, and a pointer 7 is connected to the bottom surface of the second connecting block, and the pointer 7 vertically points to the scale on the protractor 5.

[0025] Embodiment 1:

[0026] On the upper end face of the cross beam 1 of the present application, there is a first center line 8, which is parallel to the head and tail direction of the engine room and can be used to indicate the positioning and installation of the protractor tooling. The fixing seat 3 is of a U-shaped structure and is buckled on the cross beam 1, aligning the second center line 9 with the first center line 8. Then, turn the second fixing bolts 10 so that one ends of the four second fixing bolts 10 abut against the side surface of the cross beam 1 to fix the fixing seat 3.

[0027] In the present application, the pointer fixing block 6 includes a first connecting block and a second connecting block. One end of the first connecting block is hinged to the second connecting block, and the other end of the first connecting block is connected to the second connecting block through a first fixing bolt 11. The part on the wind vane vertical rod for connecting with the pointer tooling is of a cylindrical structure, and arc-shaped installation grooves are provided on both the first connecting block and the second connecting block, which facilitates the adjustment of the position of the pointer 7. Specifically, first, clamp the pointer fixing block 6 on the wind vane vertical rod, and then use the first fixing bolt 11 for initial fixing but not completely fixing. Then, rotate the pointer fixing block 6 to make the pointer 7 in a suitable position, and finally lock it through the first fixing bolt 11.

[0028] The scale of the protractor 5 in the present application is -90° to 90°, the middle scale of the protractor 5 is 0°, the left deviation is negative, the right deviation is positive, and the 90° scale line in the middle is aligned with the third center line 12.

[0029] The structure of the present application is convenient for turnover use. After use, just loosen the first fixing bolt 11 and the second fixing bolt 10, and the protractor tooling and the pointer tooling can be disassembled for other wind vane static deviation corrections.

[0030] When the device of the present application is calibrated, it is realized through the following steps:

[0031] S1: Determine the position of the wind vane

[0032] Rotate the two wind vanes on the meteorological rack in sequence, and observe the change of the wind-facing angle value from the tower bottom screen to determine the position of the wind vane installed on the meteorological rack.

[0033] S2: Install the protractor tooling

[0034] Install the protractor tooling on the meteorological rack so that the wind vane 2 is at the center of the protractor of the protractor tooling.

[0035] Adjust the position of the fixing base 3 to make the 0° scale line of the protractor perpendicular to the head and tail direction of the nacelle (the head and tail direction of the nacelle is parallel to the center line 8 on the cross beam 1 for fixing the wind vane on the meteorological rack. Draw the center line 8 with a marker pen to facilitate alignment with the center line 2 9 and the center line 3 12. Since the 90° scale line is parallel to the center line 3 12, it is only necessary to align the center line 1 8, the center line 2 9, and the center line 3 12, that is, the 0° scale line of the protractor is perpendicular to the head and tail direction of the nacelle);

[0036] S3: Install the pointer of the tooling

[0037] Install the pointer tooling on the wind vane 2 so that the upper pointer 7 of the pointer tooling points to the N point of the wind vane 2;

[0038] S4: Adjust

[0039] Adjust the wind vane 2 so that the wind vane 2 points to the given angle value;

[0040] S5: Fix

[0041] After the adjustment, pay attention to firmly fixing the wind vane 2 with glue. Distinguish the front and back lines marked with a marker pen by writing "q" and "h". "q" is before adjustment, and "h" is after adjustment.

[0042] After the adjustment work is completed, make sure the work area is clean, the materials are used up, and the site is cleared. When it is necessary to remove the safety hooks during work, it is strictly prohibited to remove the two hooks at the same time.

[0043] In summary, when the wind vane is initially installed and the direction of the wind vane does not point perpendicular to the head and tail direction of the nacelle, through the cooperation of the protractor tooling and the pointer tooling of the present application, the direction of the wind vane can be corrected, the installation is fast and convenient, further ensuring the installation accuracy of the wind vane, reducing the different degrees of wind deviation generated during the operation of large wind turbines, and reducing the impact on the power generation of wind turbines.

[0044] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A static deviation correction device for a wind vane, characterized in that: include: A protractor tooling detachably connected to the crossbeam (1), the protractor tooling comprising a fixing seat (3) connected to the crossbeam (1), the upper end surface of the fixing seat (3) being connected to a protractor mounting seat (4), a semicircular avoidance hole (4-1) for a weather vane pole to pass through being formed at an edge of one end of an upper plate surface of the protractor mounting seat (4), a semi-circular protractor (5) being provided around the avoidance hole (4-1); A pointer fixture detachably connected to a weather vane pole, the pointer fixture comprising a pointer fixing block (6), the pointer fixing block (6) comprising a first connecting block and a second connecting block, one end of the first connecting block being hinged to the second connecting block, the other end of the first connecting block being connected to the second connecting block via a first fixing bolt (11), a pointer (7) being connected to the bottom surface of the second connecting block, the pointer (7) vertically pointing to a scale on the protractor (5).

2. A wind vane static deviation correction device according to claim 1, characterized in that: The fixing seat (3) comprises a horizontal plate 1, two vertical plates 1 being symmetrically connected to the two sides of the horizontal plate 1, the distance between the two vertical plates 1 being greater than the width of the crossbeam (1), and two second fixing bolts (10) being connected to the two vertical plates 1, and a threaded hole 1 being matched with the second fixing bolt (10) is provided on the vertical plate 1.

3. A static deviation correction device for a wind vane according to claim 2, characterized in that: The protractor mounting seat (4) comprises a horizontal plate 2, the horizontal plate 2 is an L-shaped structure, the two sides of the horizontal plate 2 are respectively connected to the vertical plate 2 and the vertical plate 3, the upper end surface of the horizontal plate 1 is connected to the vertical plate 2 and the vertical plate 3, one end of the horizontal plate 2 extends outward from the plate surface of the horizontal plate 1, and the avoidance hole (4-1) is located on the plate surface of the end of the horizontal plate 2 that extends outward.

4. A static deviation correction device for a wind vane according to claim 3, characterized in that: The upper end surface of the cross beam (1) is provided with a center line one (8), the upper end surface of the horizontal plate one is provided with a center line two (9) aligned with the center line one (8), and the upper end surface of the horizontal plate two is provided with a center line three (12) aligned with the center line two (9).

5. A wind vane static deviation correction device according to claim 4, characterized in that: The angle range of the scale is -90° to 90°, wherein the 90° scale line is parallel to the center line three (12), and the 0° scale line is perpendicular to the direction of the nose and tail of the cabin.

6. A static deviation correction device for a wind vane according to claim 1, characterized in that: The portion of the weather vane pole used for connecting with the pointer tooling is a cylindrical structure.

7. A wind vane static deviation correction device according to claim 6, characterized in that: The first connecting block and the second connecting block are both provided with a threaded hole two which is compatible with the first fixing bolt (11), and the first connecting block and the second connecting block are both provided with an arc-shaped mounting groove.

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