Wind vane wind alignment device of wind generating set

Abstract

The utility model discloses a wind vane wind aligning device of a wind generating set, which comprises a wind vane, the bottom end of the wind vane is fixedly connected with a mast, a laser emitter is arranged on the mast, the mast is arranged on an angle adjusting mechanism, the top end of the mast is connected with a mounting block through a hoop, and the mounting block is arranged on the angle adjusting mechanism. The wind indicator wind alignment device relates to the technical field of wind indicator wind alignment devices, the angle adjusting mechanism is arranged and comprises a rotating ring and a limiting adjusting auxiliary ring, one-time adjustment of 1 degree can be achieved through first triangular teeth and second triangular teeth on the rotating ring and the limiting adjusting auxiliary ring, and therefore the adjustment precision reaches 1 degree; therefore, benchmarking assembly can be realized with higher precision; the device is reasonable in structure, the accuracy of the wind facing angle of a unit is improved, the loss of generating capacity is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind vane wind-facing devices, in particular to a wind vane wind-facing device for a wind generating set. Background Art

[0002] It takes 30 minutes to modulate the wind vane of each traditional wind turbine unit, and the assembly process requires an error within ±5°. Of course, the higher the assembly process accuracy, the better. Two people are required to cooperate with each other via walkie-talkies inside and outside the cabin to complete the wind centering operation. Due to the limitation that it is difficult to achieve accurate wind direction by relying solely on naked eye observation, it is difficult to meet the process requirements, and there are also major safety hazards.

[0003] The utility model patent with publication number CN213016640U discloses a wind vane facing device for a wind turbine generator set, including a scale plate and a cabin wind vane installed on a cabin platform of the wind turbine generator set, a mast arranged on the cabin platform, a wind vane installed on the upper end of the mast, a cylindrical connecting seat with positioning bolts arranged on the upper end of the mast, a wind vane installed on a rotating shaft arranged on the upper end of the wind vane barrel, a connecting column at the lower end of the wind vane barrel matches with the inner hole of the connecting seat and is fixed by positioning bolts, a semicircular groove is arranged on one side of the fixing seat, the cylindrical surface of the wind vane barrel matches with the semicircular groove of the fixing seat, two clamps are evenly arranged on the non-matching semi-cylindrical surface of the wind vane barrel, the connecting ears of the clamps are connected to the fixing seat by bolts, and a rotatable laser rangefinder is installed on the other side of the fixing seat.

[0004] The above patent has the following deficiencies:

[0005] Although the installation accuracy can be controlled within ±2°, the assembly accuracy error is still large and the accuracy cannot be achieved within ±1°, so its assembly accuracy needs to be further improved. Utility Model Content

[0006] In view of the problems existing in the existing wind vane wind device of a wind turbine generator set, the utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide a wind vane wind device for a wind turbine generator set, which solves the problem that although the installation accuracy can be controlled within ±2°, the assembly accuracy error is still large and the accuracy cannot be achieved within ±1°, so its assembly accuracy needs to be further improved.

[0008] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0009] A wind vane wind-facing device for a wind turbine generator set comprises a wind vane, the bottom end of which is fixedly connected to a mast, a laser transmitter is mounted on the mast, and the mast is mounted on an angle adjustment mechanism.

[0010] As a preferred solution of the wind vane wind device of a wind turbine generator set described in the utility model, wherein: the top of the mast is connected to a mounting block through a clamp, and the laser transmitter is mounted on the mounting block through bolts.

[0011] As a preferred solution of the wind vane facing device of a wind turbine generator set described in the utility model, the contact surface between the mounting block and the mast is a curved surface.

[0012] As a preferred solution of a wind vane wind device of a wind turbine generator set described in the utility model, wherein: the angle adjustment mechanism includes an adjustment box, a screw rod is rotatably connected to the adjustment box through a bearing, the top of the screw rod is connected to the output shaft of a servo motor through a coupling, two support plates are threadedly connected to the screw rod, a limit adjustment auxiliary ring is fixedly installed on the support plate, a rotating ring is arranged between the two limit adjustment auxiliary rings, a mounting beam is welded on the outer wall of the rotating ring, first triangular teeth are arranged at both ends of the rotating ring, a second triangular teeth is arranged at one end of the limit adjustment auxiliary ring close to the rotating ring, the number of the first triangular teeth and the second triangular teeth is equal and at least 360, the rotating ring is rotatably connected to a support shaft through a bearing, both ends of the support shaft are detachably connected to the support beam, and the support beam is installed on the adjustment box.

[0013] As a preferred solution of the wind vane wind device of the wind turbine generator set described in the utility model, wherein: a slider is fixedly installed on the support plate, a notch is opened on the left side of the adjustment box, and the inner wall of the notch is slidably connected to the slider;

[0014] An internal threaded tube is fixedly mounted on the support plate, and the internal threaded tube is threadedly connected to the screw rod.

[0015] As a preferred solution of a wind vane wind device for a wind turbine generator set described in the utility model, wherein: a first support connection seat is welded on the support beam, a support shaft is inserted into the inner wall of the first support connection seat, and the support shaft and the first support connection seat are fixed by bolts;

[0016] A second support connection seat is fixedly mounted on the outer wall of the adjustment box, a support beam is inserted into the inner wall of the second support connection seat, and the support beam and the second support connection seat are fixed by bolts;

[0017] A third support connection seat is welded to the top end of the mounting beam, and the inner wall of the third support connection seat is plugged into the mast and fixed to the mast by bolts.

[0018] Compared with existing technologies:

[0019] By setting an angle adjustment mechanism, including a rotating ring and a limit adjustment auxiliary ring, and utilizing the first triangular teeth and the second triangular teeth thereon, a single adjustment of 1 degree can be achieved, thereby achieving an adjustment accuracy of 1 degree, thereby enabling benchmarking assembly to be achieved with higher precision.

[0020] The utility model has a reasonable structure, improves the accuracy of the wind angle of the unit, reduces the loss of power generation, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the structure provided by the utility model;

[0022] Figure 2 The utility model provides Figure 1 The enlarged image at A in the middle;

[0023] Figure 3 A cross-sectional view of the angle adjustment mechanism provided by the utility model;

[0024] Figure 4 A top view of the laser transmitter provided by the utility model;

[0025] Figure 5 This is a cross-sectional view of the angle adjustment mechanism provided by the utility model.

[0026] In the figure: adjusting box 1, box door 2, servo motor 3, second support connecting seat 4, support beam 5, support plate 6, first support connecting seat 7, support shaft 8, mounting beam 9, mast 10, first triangular teeth 101, mounting block 11, laser transmitter 12, weather vane 13, limit adjustment auxiliary ring 14, second triangular teeth 141, screw 15, slider 16, clamp 17, rotating ring 18, third support connecting seat 19. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clear, the implementation methods of the present invention will be further described in detail below with reference to the accompanying drawings.

[0028] The utility model provides a wind vane wind device for a wind turbine generator set. Figure 1-5 , including a weather vane 13, the bottom end of which is fixedly connected to a mast 10, a laser transmitter 12 is mounted on the mast 10, and the mast 10 is mounted on an angle adjustment mechanism.

[0029] The top of the mast 10 is connected to a mounting block 11 via a clamp 17 , and the laser transmitter 12 is mounted on the mounting block 11 via bolts. The contact surface between the mounting block 11 and the mast 10 is an arc surface.

[0030] The angle adjustment mechanism includes an adjustment box 1, in which a lead screw 15 is rotatably connected via a bearing in the adjustment box 1, the threads at both ends of the lead screw 15 are in opposite directions, the top end of the lead screw 15 is connected to the output shaft of the servo motor 3 via a coupling, and two support plates 6 are threadedly connected to the lead screw 15, and the two support plates 6 are symmetrical about the rotating ring 18, so that the two support plates 6 move synchronously in opposite directions, so that the two limit adjustment auxiliary rings 14 are synchronously away from the rotating ring 18, or are engaged with the rotating ring 18 at the same time. Specifically, an internal threaded tube is fixedly installed on the support plate 6, and the internal threaded tube is threadedly connected to the lead screw 15, and a limit adjustment auxiliary ring 14 is fixedly installed on the support plate 6, and a rotating ring 18 is arranged between the two limit adjustment auxiliary rings 14, and a mounting beam 9 is welded on the outer wall of the rotating ring 18, and first triangular teeth 101 are arranged at both ends of the rotating ring 18, and a second triangular tooth 141 is arranged at one end of the limit adjustment auxiliary ring 14 close to the rotating ring 18, and the number of the first triangular teeth 101 and the second triangular teeth 141 is equal and at least one There are 360 ​​of them, so the mounting beam 9 is rotated to drive the rotating ring 18 to rotate, and the triangular tooth A is rotated to between the triangular tooth C and the triangular tooth D. If the number of the first triangular teeth 101 and the second triangular tooth 141 is equal and there are 360 ​​of them, then the mounting beam 9 is just rotated 1° (if necessary, a mark can be set on each of the first triangular teeth 101 and the second triangular tooth 141, so that the number of teeth rotated by the rotating ring 18 can be more clearly observed). The rotating ring 18 is rotatably connected to the support shaft 8 through a bearing, and both ends of the support shaft 8 are detachably connected to the support beam 5. Specifically, a first support connecting seat 7 is welded on the support beam 5, and the support shaft 8 is inserted into the inner wall of the first support connecting seat 7. The support shaft 8 and the first support connecting seat 7 are fixed by bolts. The support beam 5 is installed on the adjustment box 1. Specifically, a second support connecting seat 4 is fixedly installed on the outer wall of the adjustment box 1, and the support beam 5 is inserted into the inner wall of the second support connecting seat 4. The support beam 5 and the second support connecting seat 4 are fixed by bolts. A third support connection seat 19 is welded to the top of the mounting beam 9 , and the inner wall of the third support connection seat 19 is inserted into the mast 10 and fixed to the mast 10 by bolts.

[0031] A slider 16 is fixedly mounted on the support plate 6 , and a notch (not shown in the figure) is provided on the left side of the adjustment box 1 , and the slider 16 is slidably connected to the inner wall of the notch.

[0032] In specific use, a tool is used to make a wind vane S-level parallel surface, and a straight line is emitted by a laser emitter 12. The servo motor 3 drives the screw 15 to rotate, thereby driving the two support plates 6 to separate the mast 10, so that the first triangular teeth 101 and the second triangular teeth 141 are separated. By rotating the rotating ring 18, the adjustment is performed one degree at a time until the wind vane is adjusted to coincide with the parallel line of the laser line and the center line of the nose. The wind vane is parallel to the nose position. After the adjustment is complete, the servo motor 3 rotates in the opposite direction to drive the second triangular teeth 141 to engage with the first triangular teeth 101.

[0033] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A wind vane wind device for a wind turbine generator set, comprising a wind vane (13), the bottom end of the wind vane (13) being fixedly connected to a mast (10), a laser transmitter (12) being mounted on the mast (10), characterized in that: The mast (10) is mounted on an angle adjustment mechanism.

2. A wind vane facing wind device for a wind turbine generator set according to claim 1, characterized in that: The top end of the mast (10) is connected to a mounting block (11) via a clamp (17), and the laser transmitter (12) is mounted on the mounting block (11) via bolts.

3. A wind vane facing wind device for a wind turbine generator set according to claim 2, characterized in that: The contact surface between the mounting block (11) and the mast (10) is a curved surface.

4. A wind vane facing wind device for a wind turbine generator set according to claim 1, characterized in that: The angle adjustment mechanism comprises an adjustment box (1), a screw rod (15) is rotatably connected to the adjustment box (1) via a bearing, the top end of the screw rod (15) is connected to the output shaft of a servo motor (3) via a coupling, two support plates (6) are threadedly connected to the screw rod (15), a limit adjustment auxiliary ring (14) is fixedly mounted on the support plate (6), a rotating ring (18) is arranged between the two limit adjustment auxiliary rings (14), a mounting beam (9) is welded to the outer wall of the rotating ring (18), and the rotating ring (18) is provided with a plurality of mounting beams (9). Both ends of the moving ring (18) are provided with first triangular teeth (101); the end of the position-limiting adjustment auxiliary ring (14) close to the rotating ring (18) is provided with second triangular teeth (141); the number of the first triangular teeth (101) and the second triangular teeth (141) are equal and at least 360 are provided; the rotating ring (18) is rotatably connected to a support shaft (8) via a bearing; both ends of the support shaft (8) are detachably connected to a support beam (5); and the support beam (5) is mounted on the adjustment box (1).

5. A wind vane facing wind device for a wind turbine generator set according to claim 4, characterized in that: A slider (16) is fixedly mounted on the support plate (6), and a notch is provided on the left side of the adjustment box (1), and the inner wall of the notch is slidably connected to the slider (16); An internally threaded tube is fixedly mounted on the support plate (6), and the internally threaded tube is threadedly connected to the screw rod (15).

6. A wind vane facing wind device for a wind turbine generator set according to claim 4, characterized in that: A first support connection seat (7) is welded on the support beam (5), a support shaft (8) is inserted into the inner wall of the first support connection seat (7), and the support shaft (8) and the first support connection seat (7) are fixed by bolts; A second support connection seat (4) is fixedly mounted on the outer wall of the adjustment box (1); a support beam (5) is inserted into the inner wall of the second support connection seat (4); and the support beam (5) and the second support connection seat (4) are fixed by bolts; A third support connection seat (19) is welded to the top end of the mounting beam (9), and the inner wall of the third support connection seat (19) is plugged into the mast (10) and fixed to the mast (10) by bolts.

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