Pull-type loading equipment for fatigue test in flapping direction of wind power blade

Abstract

The utility model relates to the technical field of wind driven generators, in particular to pull-type loading equipment for a wind power blade flapping direction fatigue test, which comprises two mounting columns, linear motors are mounted on the side surfaces of the two mounting columns, the output ends of the linear motors are fixedly connected with a mounting frame, the mounting frame is sleeved on the surfaces of the mounting columns, and the linear motors are mounted on the mounting columns. The blade comprises a mounting frame, a blade body is mounted in the mounting frame, a shape follow-up filler is mounted on the inner wall of the mounting frame, the surface of the blade body is sleeved with the shape follow-up filler, an adjusting device is arranged on the surface of the mounting frame and comprises a connecting frame, and the connecting frame is fixedly connected to the surface of the mounting frame. A rectangular plate is slidably connected to the inner wall of the connecting frame, and an adjusting screw is inserted into the inner wall of the rectangular plate in a threaded mode. According to the blade adjusting device, the problem that in the prior art, the blade body adjusting efficiency is low due to the fact that the position of the blade body is adjusted in a manual adjusting mode of workers is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind driven generator technical field especially relates to a kind of wind power blade flapping direction fatigue test traction type loading equipment. BACKGROUND

[0002] Wind driven generator is a kind of natural wind power generation, renewable energy field equipment, which is driven by wind energy to produce mechanical energy, and then mechanical energy is converted into electrical energy storage or use, in order to evaluate the life and durability of wind power blade, it is usually needed to carry out fatigue test in flapping direction after wind power blade production is completed.

[0003] A kind of wind power blade fatigue test loading device based on using linear motor is disclosed in a Chinese patent with publication number CN218411653U, and its technical scheme points are: including two symmetrical linear motors and clamping mechanism, the clamping mechanism is connected with the linear motor by adapter piece.The wind power blade fatigue test loading device based on using linear motor described above can implement loading in multiple sections of the blade, reduce the overload of test section, the synchronization of linear motor reciprocating motion of each loading section is controllable, the load deviation of each loading is controllable, ensure the stability of test data, effectively reduce the test process noise, and simultaneously utilize the resilience of blade, reduce test energy consumption.

[0004] The existing related technology often has the following defects: in the process of fatigue test of wind power blade by using wind power blade flapping direction fatigue test traction type loading equipment, since it is needed to use shape-filling to fix the position of blade body, therefore, in the process of installing blade body to mounting frame, the position of blade body needs to be adjusted, and in the prior art, the position of blade body is usually adjusted manually by worker, so that the efficiency of adjusting blade body is low.

[0005] Therefore, the utility model provides a kind of wind power blade flapping direction fatigue test traction type loading equipment. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the shortcomings in prior art that the position of blade body is usually adjusted manually by worker in prior art, so that the efficiency of adjusting blade body is low, and provides a kind of wind power blade flapping direction fatigue test traction type loading equipment.

[0007] In order to achieve the above object, the utility model discloses the following technical scheme: a wind power blade flap direction fatigue test traction type loading device, including two installation columns, the side of two installation columns all is installed with linear motor, the output of linear motor is fixedly connected with mounting bracket, the mounting bracket sleeve is connected on the surface of installation column, the inside installation of mounting bracket has the blade body, the inner wall of mounting bracket is installed with the shape filling, the shape filling sleeve is connected on the surface of blade body, the surface of mounting bracket is equipped with adjusting device, adjusting device includes the connecting frame, the surface of connecting frame is fixedly connected in mounting bracket, the inner wall slidingly connected of connecting frame has rectangle plate, the inner wall of rectangle plate is inserted with the adjusting screw of screw thread, the inner wall of connecting frame is rotatably connected with adjusting screw.

[0008] The effect of the above components is that: by setting the connecting frame, the rectangle plate and the adjusting screw can be installed, by setting the adjusting screw, the rectangle plate can be conveniently controlled to move, thereby realizing the adjustment of the position of the blade body.

[0009] Preferably, the inner wall of the connecting frame is provided with two first sliding grooves, the surface of the first sliding groove on the two connecting frames is slidably connected with a first sliding block, the first sliding block is fixedly connected with the rectangle plate, the lower surface of the connecting frame is fixedly connected with a mounting plate, and the surface of the mounting plate is fixedly connected with a driving motor.

[0010] The effect of the above components is that: by setting the first sliding block, the rectangle plate can be connected with the connecting frame while ensuring that the rectangle plate can move, and by setting the mounting plate, the driving motor can be installed on the connecting frame.

[0011] Preferably, the output end of the driving motor is fixedly connected with a rotating rod, the other end of the rotating rod is fixedly connected with a gear, and the gear is rotatably connected to the lower surface of the connecting frame.

[0012] The effect of the above components is that: by setting the driving motor, the rotating rod can be controlled to rotate, thereby driving the gear to rotate.

[0013] Preferably, the inner wall of the connecting frame is slidably connected with a first control plate, the inner wall of the connecting frame is slidably connected with a second control plate, the first control plate and the second control plate are engaged with the gear, and the side of the first control plate and the second control plate close to the blade body is fixedly connected with a positioning plate.

[0014] The effect of the above components is that: by setting the gear, the positions of the first control plate and the second control plate can be synchronously adjusted, thereby the positioning plate can be used to adjust and position the position of the blade body.

[0015] Preferably, the mounting frame is provided with a limiting device away from one side of the connecting frame, the limiting device comprises an arc-shaped plate, the arc-shaped plate is fixedly connected away from one side of the mounting frame, the inner wall of the arc-shaped plate is slidably connected with a slide rod, one end of the slide rod close to the arc-shaped filler is fixedly connected with an arc block, and the side of the arc block away from the mounting frame is arc-shaped.

[0016] The above components achieve the effects that: the arc-shaped plate can be used to install the slide rod and the arc block, the slide rod can be used to adjust the position of the arc block, and the arc block can be used to limit the position of the arc-shaped filler.

[0017] Preferably, one end of the slide rod away from the arc block is fixedly connected with a circular plate, the surface of the slide rod is sleeved with a spring, and the two ends of the spring are fixedly connected with the circular plate and the arc-shaped plate respectively.

[0018] The above components achieve the effects that: the circular plate can be used to facilitate the installation of the spring and the movement of the slide rod and the arc block, and the spring can be used to limit the position of the arc block.

[0019] Preferably, a second sliding groove is formed in the side of the mounting frame close to the arc block, a second sliding block is slidably connected to the surface of the second sliding groove of the mounting frame, and a limiting block is fixedly connected to the side of the second sliding block close to the arc block.

[0020] The above components achieve the effects that: the second sliding block can be used to ensure the stable connection between the limiting block and the mounting frame, and the limiting block can be used to limit the position of the arc block.

[0021] In summary:

[0022] 1. In the utility model, the position of the blade body can be adjusted by the rectangular plate and the first control plate and the second control plate after the blade body is installed on the mounting frame, so that the precision and efficiency of adjusting the position of the blade body can be improved, and the blade body can be conveniently installed.

[0023] 2. In the utility model, the position of the arc-shaped filler can be limited in the process of fatigue testing of the blade body by the wind turbine blade edgewise fatigue test towed loading equipment, so that the position deviation of the arc-shaped filler can be avoided as much as possible, and the stability of the blade body during testing can be ensured as much as possible. ACCURACY

[0024] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0025] Figure 2 It is another angle structure schematic view of the utility model.

[0026] Figure 3 For the utility model Figure 1 Local structure diagram at the adjusting device;

[0027] Figure 4 For the utility model Figure 3 The B place enlarged view of the utility model;

[0028] Figure 5 For the utility model Figure 2 The A place enlarged view of the utility model.

[0029] Legend: 1, mounting column; 2, linear motor; 3, mounting bracket; 4, blade body; 5, conformal filling; 6, adjusting device; 601, connecting frame; 602, rectangular plate; 603, adjusting screw; 604, first sliding block; 605, first control plate; 606, second control plate; 607, positioning plate; 608, gear; 609, rotating rod; 610, driving motor; 611, mounting plate; 7, limiting device; 71, arc plate; 72, slide rod; 73, arc block; 74, round plate; 75, spring; 76, second sliding block; 77, limiting block. Specific embodiments

[0030] Referring to Figure 1 And Figure 2 And Figure 5 The utility model provides a kind of technical scheme: a kind of wind power blade flapping direction fatigue test traction type loading equipment, including two mounting columns 1, the side of two mounting columns 1 is equipped with linear motor 2, the output end of linear motor 2 is fixedly connected with mounting bracket 3, mounting bracket 3 is sleeved in the surface of mounting column 1, blade body 4 is installed in the inside of mounting bracket 3, conformal filling 5 is installed on the inner wall of mounting bracket 3, conformal filling 5 is sleeved in the surface of blade body 4, adjusting device 6 is equipped on the surface of mounting bracket 3, the side of mounting bracket 3 away from connecting frame 601 is equipped with limiting device 7.

[0031] Specific setting and effect of its adjusting device 6 and limiting device 7 will be described below.

[0032] Referring to Figures 1-4As shown in the embodiment, the adjusting device 6 comprises a connecting frame 601 fixedly connected to the surface of the mounting frame 3, the inner wall of the connecting frame 601 is slidingly connected with a rectangular plate 602, the inner wall of the rectangular plate 602 is threadedly provided with an adjusting screw 603, and the adjusting screw 603 is rotationally connected to the inner wall of the connecting frame 601. By arranging the connecting frame 601, the rectangular plate 602 and the adjusting screw 603 can be installed, by arranging the adjusting screw 603, the movement of the rectangular plate 602 can be conveniently controlled, so as to adjust the position of the blade body 4. The inner wall of the connecting frame 601 is provided with two first sliding grooves, the surfaces of the two first sliding grooves on the connecting frame 601 are slidingly connected with a first sliding block 604, the first sliding block 604 is fixedly connected with the rectangular plate 602, the lower surface of the connecting frame 601 is fixedly connected with a mounting plate 611, and the surface of the mounting plate 611 is fixedly connected with a driving motor 610. By arranging the first sliding block 604, the movement of the rectangular plate 602 can be ensured while the rectangular plate 602 is connected with the connecting frame 601, and by arranging the mounting plate 611, the driving motor 610 can be installed on the connecting frame 601.

[0033] The output end of the driving motor 610 is fixedly connected with a rotating rod 609, the other end of the rotating rod 609 is fixedly connected with a gear 608, and the gear 608 is rotationally connected to the lower surface of the connecting frame 601. By arranging the driving motor 610, the rotating rod 609 can be controlled to rotate, so as to drive the gear 608 to rotate. The inner wall of the connecting frame 601 is slidingly connected with a first control plate 605, the inner wall of the connecting frame 601 is slidingly connected with a second control plate 606, the first control plate 605 and the second control plate 606 are engaged with the gear 608, and the side of the first control plate 605 and the second control plate 606 close to the blade body 4 is fixedly connected with a positioning plate 607. By arranging the gear 608, the positions of the first control plate 605 and the second control plate 606 can be synchronously adjusted, so as to adjust and position the blade body 4 through the positioning plate 607.

[0034] Referring to Figure 1 and Figure 2 and Figure 5 As shown in the embodiment, the limiting device 7 comprises an arc-shaped plate 71 fixedly connected to the side of the mounting frame 3 away from the connecting frame 601, the inner wall of the arc-shaped plate 71 is slidingly connected with a sliding rod 72, one end of the sliding rod 72 close to the conformal filler 5 is fixedly connected with an arc-shaped block 73, and the side of the arc-shaped block 73 away from the mounting frame 3 is arc-shaped. By arranging the arc-shaped plate 71, the sliding rod 72 and the arc-shaped block 73 can be installed, by arranging the sliding rod 72, the position of the arc-shaped block 73 can be adjusted, and by arranging the arc-shaped block 73, the position of the conformal filler 5 can be limited.

[0035] The end of the sliding rod 72 away from the arc block 73 is fixedly connected with a circular plate 74, the surface of the sliding rod 72 is sleeved with a spring 75, and the two ends of the spring 75 are fixedly connected with the circular plate 74 and the arc-shaped plate 71 respectively. By arranging the circular plate 74, the spring 75 can be conveniently installed, and the sliding rod 72 and the arc block 73 can be moved. By arranging the spring 75, the position of the arc block 73 can be limited. The side of the mounting frame 3 close to the arc block 73 is provided with a second sliding groove, the surface of the second sliding groove on the mounting frame 3 is slidably connected with a second sliding block 76, and the side of the second sliding block 76 close to the arc block 73 is fixedly connected with a limiting block 77. By arranging the second sliding block 76, the stable connection between the limiting block 77 and the mounting frame 3 can be ensured, and by arranging the limiting block 77, the position of the arc block 73 can be limited.

[0036] The working principle is that when the wind turbine blade flapping direction fatigue test traction type loading device is needed to be used to test the fatigue of the blade body 4, first, the blade body 4 is moved close to the mounting frame 3 on the mounting column 1, then according to the size of the conformal filler 5 needed to be used, the rotating of the adjusting screw 603 is controlled, the position of the rectangular plate 602 is adjusted, so that the position of the blade body 4 is adjusted, and then the driving motor 610 is started, so that the rotating rod 609 drives the gear 608 to rotate, the rotating of the gear 608 drives the first control plate 605 and the second control plate 606 to slide on the inner wall of the connecting frame 601, so that the positioning plate 607 on the first control plate 605 and the second control plate 606 pushes the blade body 4, the position of the blade body 4 is adjusted, by arranging the first sliding block 604, the connection between the rectangular plate 602 and the connecting frame 601 and the movability of the rectangular plate 602 can be ensured, by arranging the mounting plate 611, the driving motor 610 can be connected to the connecting frame 601, then the conformal filler 5 is installed, the blade body 4 can be tested by the linear motor 2, by arranging the adjusting device 6, after the blade body 4 is installed on the mounting frame 3, the position of the blade body 4 is adjusted by the rectangular plate 602 and the first control plate 605 and the second control plate 606, so that the precision and efficiency of adjusting the position of the blade body 4 can be improved, and the blade body 4 is conveniently installed.

[0037] After the blade body 4 is installed on the mounting frame 3, the profiled filler 5 is moved close to the arc block 73, which pushes the arc block 73, so that the slide rod 72 slides on the inner wall of the arc plate 71, so that the round plate 74 moves away from the arc plate 71, at this time, under the action of gravity, the second sliding block 76 slides on the surface of the second sliding groove of the mounting frame 3, so that the limiting block 77 limits the position of the arc block 73, after the position of the blade body 4 is fixed by the profiled filler 5, the limiting block 77 is moved away from the arc block 73, at this time, under the action of the elastic force of the spring 75, the slide rod 72 pushes the arc block 73 to move close to the profiled filler 5, and the position of the profiled filler 5 is limited, by arranging the limiting device 7, the position of the profiled filler 5 can be limited during the fatigue test of the blade body 4 by the wind turbine blade edgewise fatigue test towed loading device, so that the position deviation of the profiled filler 5 can be avoided as much as possible, and the stability of the blade body 4 during the test can be ensured as much as possible.

[0038] In the description of the utility model, it is to be explained that, unless there is definite stipulation and limitation, the term "installation", "connection", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can pass through intermediate medium indirectly be connected, can be two elements inside the intercommunication. For ordinary skilled person in the art, the above-mentioned term can be understood in the concrete meaning in the utility model by concrete situation.

Claims

1. A wind power blade edgewise fatigue test traction loading device, comprising two mounting columns (1), a linear motor (2) is mounted on the side of each of the two mounting columns (1), the output end of the linear motor (2) is fixedly connected with a mounting rack (3), the mounting rack (3) is sleeved on the surface of the mounting column (1), a blade body (4) is mounted in the mounting rack (3), a conformal filler (5) is mounted on the inner wall of the mounting rack (3), the conformal filler (5) is sleeved on the surface of the blade body (4), and an adjusting device (6) is arranged on the surface of the mounting rack (3), characterized in that: The adjusting device (6) comprises a connecting frame (601) fixedly connected to the surface of the mounting rack (3), an inner wall of the connecting frame (601) is slidably connected with a rectangular plate (602), an inner wall of the rectangular plate (602) is threadedly provided with an adjusting screw (603), and the adjusting screw (603) is rotatably connected to the inner wall of the connecting frame (601). ​ 2. A wind turbine blade edgewise fatigue test towed loading device according to claim 1, characterized in that: Two first sliding grooves are formed in the inner wall of the connecting frame (601), first sliding blocks (604) are slidably connected to the surfaces of the first sliding grooves of the two connecting frames (601), the first sliding blocks (604) are fixedly connected with the rectangular plate (602), a mounting plate (611) is fixedly connected to the lower surface of the connecting frame (601), and a driving motor (610) is fixedly connected to the surface of the mounting plate (611).

3. A wind turbine blade edgewise fatigue test towed loading device according to claim 2, characterized in that: An output end of the driving motor (610) is fixedly connected with a rotating rod (609), the other end of the rotating rod (609) is fixedly connected with a gear (608), and the gear (608) is rotatably connected to the lower surface of the connecting frame (601).

4. A wind turbine blade edgewise fatigue test towed loading device according to claim 3, characterized in that: First and second control plates (605) and (606) are slidably connected to the inner wall of the connecting frame (601), the first and second control plates (605) and (606) are engaged with the gear (608), and the first and second control plates (605) and (606) are fixedly connected with positioning plates (607) on the sides close to the blade body (4).

5. The wind turbine blade edgewise fatigue test towed loading apparatus according to claim 1, characterized in that: A limiting device (7) is arranged on the side of the mounting rack (3) away from the connecting frame (601), the limiting device (7) comprises an arc-shaped plate (71) fixedly connected to the side of the mounting rack (3) away from the connecting frame (601), an inner wall of the arc-shaped plate (71) is slidably connected with a sliding rod (72), one end of the sliding rod (72) close to the conformal filler (5) is fixedly connected with an arc-shaped block (73), and the side of the arc-shaped block (73) away from the mounting rack (3) is arc-shaped.

6. A wind turbine blade edgewise fatigue test towed loading device according to claim 5, characterized in that: One end of the sliding rod (72) away from the arc-shaped block (73) is fixedly connected with a circular plate (74), the surface of the sliding rod (72) is sleeved with a spring (75), and the two ends of the spring (75) are fixedly connected with the circular plate (74) and the arc-shaped plate (71).

7. A wind turbine blade edgewise fatigue test towed loading device according to claim 6, characterized in that: A second sliding groove is formed in the side of the mounting rack (3) close to the arc-shaped block (73), a second sliding block (76) is slidably connected to the surface of the second sliding groove of the mounting rack (3), and the side of the second sliding block (76) close to the arc-shaped block (73) is fixedly connected with a limiting block (77).

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