Sand corrosion resistance evaluation equipment

By designing a sand corrosion resistance evaluation equipment including a sandblasting device, a detection device and annular conveying device, the problems of high manpower time and labor intensity in the evaluation process in the prior art are solved, and a more efficient evaluation process is achieved.

CN119492678APending Publication Date: 2025-02-21JIANGSU GOLDWIND SCI & TECH CO LTD
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Patent Information

Application Number
CN202311027075.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-08-15
Publication Date
2025-02-21

AI Technical Summary

Technical Problem

The evaluation of sand corrosion resistance performance of wind power blades in prior art requires a lot of manpower time, and the samples need to be frequently picked up and moved during the evaluation process, resulting in high labor intensity.

Method used

Design a sand resistance performance evaluation equipment, including sand blasting device, detection device and annular structure transmission device, through the conveying device, the sand blasting device and the detection device are connected in series, so as to realize the cyclic transmission of the sample between the two, reducing the Manual operation.

Benefits of technology

It effectively reduces the manpower time and labor intensity during the sand corrosion resistance evaluation process and improves the evaluation efficiency.

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Abstract

The invention relates to sand corrosion resistance evaluation equipment. The sand corrosion resistance evaluation equipment comprises a sand blasting device, a detection device and a conveying device, the sand blasting device and the detection device are arranged at an interval, the conveying device is of an annular structure, the conveying device is sequentially connected with the sand blasting device and the detection device in series, and the conveying device can convey a sample between the sand blasting device and the detection device. According to the sand corrosion resistance evaluation equipment provided by the embodiment of the invention, a complete evaluation process including sample erosion simulation and detection analysis can be provided, and manpower and time consumed in the evaluation process are effectively reduced.
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Description

Technical Field

[0001] The present application relates to the technical field of wind turbine blades, and in particular to a device for evaluating sand erosion resistance. Background Art

[0002] Wind turbine blades are an important part of wind turbines. Wind turbines often encounter sandstorms during operation, which can cause erosion damage to the protective layer on the surface of wind turbine blades, seriously affecting the service life of wind turbine blades and the wind turbine as a whole; therefore, it is necessary to conduct an erosion assessment on the protective layer on the surface of wind turbine blades so that the staff can improve the protective layer of wind turbine blades.

[0003] In the prior art, erosion simulation is performed on a sample in an erosion simulation device. When the sample needs to be observed and analyzed, it needs to be manually taken out of the erosion simulation device and moved to an analysis device for observation and analysis. If the erosion simulation needs to be continued, the sample needs to be manually returned to the erosion simulation device, resulting in a large amount of manpower and time being consumed in the erosion evaluation process. Summary of the invention

[0004] The embodiment of the present application provides a sand erosion resistance performance evaluation device, which can provide a complete evaluation process including sample erosion simulation and detection analysis, effectively reducing the manpower time consumed in the evaluation process.

[0005] The embodiment of the present application provides a sand erosion resistance performance evaluation device, wherein the sand erosion resistance performance evaluation device includes a sandblasting device, a detection device and a transmission device;

[0006] The sandblasting device and the detection device are arranged at intervals, the conveying device is in an annular structure, and the conveying device is serially connected to the sandblasting device and the detection device in sequence, and the conveying device can convey the sample between the sandblasting device and the detection device.

[0007] According to one aspect of an embodiment of the present application, the sandblasting device includes a sandblasting cabin and a sandblasting assembly, and the conveying device penetrates the sandblasting cabin along a first direction; the sandblasting assembly is arranged above the interior of the sandblasting cabin, and the sandblasting assembly can sandblast the sample conveyed on the conveying device.

[0008] According to one aspect of an embodiment of the present application, the sandblasting assembly includes a sandblasting head and an adjusting component, and the sandblasting head can sandblast the sample conveyed on the conveying device; the sandblasting head is connected to the adjusting component, and the adjusting component can drive the sandblasting head to move along the first direction, the second direction and / or the vertical direction; the first direction, the second direction and the vertical direction are perpendicular to each other.

[0009] According to one aspect of the embodiment of the present application, the adjusting component includes a first guide rail, a sliding arm and a lifting arm; the first guide rail extends along the first direction, and the first guide rail is installed on the inner top surface of the sandblasting chamber; the sliding arm is connected to the first guide rail, and the sliding arm can slide back and forth along the first guide rail in the first direction, and a second guide rail is connected to the sliding arm, and the sliding arm and the second guide rail both extend along the second direction; the lifting arm can be telescoped along the vertical direction, the upper end of the lifting arm is connected to the second guide rail, and the lifting arm can slide back and forth along the second guide rail and the second direction, and the sandblasting head is connected to the lower end of the lifting arm.

[0010] According to one aspect of the embodiment of the present application, the lifting arm is rotatably connected to the sliding arm, and the lifting arm can rotate with the vertical direction as the axis;

[0011] And / or, the sandblasting head is rotatably connected to the lifting arm, and the sandblasting head can swing axially in the first direction, the second direction and / or the vertical direction.

[0012] According to one aspect of the embodiment of the present application, the sandblasting device further includes a clamping assembly, which is disposed inside the sandblasting cabin and above the conveying device;

[0013] The clamping assembly includes a first clamping member and a second clamping member arranged opposite to each other along a second direction. The first clamping member and the second clamping member are respectively connected to two sides of the sandblasting chamber along the second direction. A clamping space capable of accommodating the sample is formed between the first clamping member and the second clamping member. The first clamping member and the second clamping member can approach or move away from each other along the second direction.

[0014] According to one aspect of an embodiment of the present application, the sandblasting assembly further includes a recovery container, which is disposed below the sandblasting chamber. A hollow portion is formed at the bottom of the sandblasting chamber, and the interior of the sandblasting chamber is connected to the recovery container via the hollow portion.

[0015] According to one aspect of the embodiment of the present application, the detection device includes an image acquisition component, and the image acquisition component includes an image collector. The image collector is arranged above the conveying device, and the image collector can capture a picture of the sample.

[0016] According to one aspect of the embodiment of the present application, the image acquisition component also includes an amplifier, and the amplifier is arranged between the transmission device and the image collector.

[0017] According to one aspect of an embodiment of the present application, the detection device also includes a weight detector, which is arranged below the conveying device, on the inner side of the annular structure or on the outer side of the annular structure, and the weight detector can detect the weight of the sample.

[0018] According to one aspect of an embodiment of the present application, the sand erosion resistance performance evaluation equipment also includes a dust removal device. Along the conveying direction of the conveying device, the dust removal device is connected in series between the sandblasting device and the detection device through the conveying device. The dust removal device has a dust removal part, and the dust removal part is located above the conveying device. The dust removal device can absorb or blow away the sand on the sample.

[0019] According to one aspect of an embodiment of the present application, the sand erosion resistance performance evaluation equipment also includes a power device and a control device, the power device is respectively connected to the sandblasting device and the conveying device, and the control device is respectively electrically connected to the power device, the detection device and the dust removal device.

[0020] The sand erosion resistance evaluation equipment provided in the embodiment of the present application can realize the cyclic transmission of the sample between the sand blasting device and the detection device by setting a conveying device with a ring structure to connect the sand blasting device and the detection device in series. In this process, there is no need for manual placement and movement of the sample, which can effectively reduce the manpower time required in the process of evaluating the erosion resistance of the sample and reduce the labor intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The features, advantages and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

[0022] Figure 1 A schematic diagram of a top view of the structure of a sand erosion resistance evaluation device provided in an embodiment of the present application;

[0023] Figure 2 A schematic diagram of the structure of a sandblasting device of a sand erosion resistance performance evaluation device provided in an embodiment of the present application;

[0024] Figure 3 A schematic diagram of the bottom structure of a sandblasting chamber of a sandblasting device of a sand erosion resistance evaluation device provided in an embodiment of the present application;

[0025] Figure 4 A schematic diagram of the structure of the image acquisition component of the sand erosion resistance performance evaluation equipment detection device provided in an embodiment of the present application.

[0026] In the drawings, the same reference numerals are used for the same components. The drawings are not drawn to scale.

[0027] Description of Figure Numbers:

[0028] 1. Conveying device; 2. Sandblasting device; 21. Sandblasting cabin; 22. Sandblasting assembly; 221. Sandblasting head; 222. Adjusting member; 2221. First guide rail; 2222. Sliding arm; 2223. Lifting arm; 2224. Protective shell; 23. Clamping assembly; 231. First clamping member; 232. Second clamping member; 24. Recovery container; 25. Rack; 26. Axis roller; 27. Hollow part; 3. Detection device; 31. Image acquisition assembly; 311. Image acquisition device; 312. Amplifier; 313. Bracket; 314. Protective box; 32. Weight detector; 4. Dust removal device; 41. Dust removal part; 6. Sample; X, first direction; Y, second direction; Z, vertical direction. DETAILED DESCRIPTION

[0029] The features and exemplary embodiments of various aspects of the present application will be described in detail below. In the detailed description below, many specific details are proposed to provide a comprehensive understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without the need for some of these specific details. The following description of the embodiments is only to provide a better understanding of the present application by illustrating examples of the present application. In the accompanying drawings and the following description, at least some of the known structures and technologies are not shown to avoid unnecessary ambiguity in the present application; and, for clarity, the size of some structures may be exaggerated. In addition, the features, structures or characteristics described below may be combined in one or more embodiments in any suitable manner.

[0030] The directional words appearing in the following description are all directions shown in the figure, and do not limit the specific structure of the sand corrosion resistance performance evaluation equipment of this application. In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0031] like Figure 1 As shown, an embodiment of the present application provides a sand erosion resistance evaluation device, wherein the sand erosion resistance evaluation device includes a sand blasting device 2, a detection device 3 and a conveying device 1; the sand blasting device 2 is used to spray sand particles onto the surface of the sample 6 to simulate the actual use environment of the wind turbine blade; the detection device 3 is used to detect the surface of the sample 6 to evaluate the degree of sand erosion of the sample 6 and obtain the sand erosion resistance of the sample 6; the conveying device 1 is used to realize the cyclic transportation of the sample 6 between the sand blasting device 2 and the detection device 3 to realize multiple cyclic evaluations of the sample 6.

[0032] The sandblasting device 2 and the detection device 3 are arranged at intervals, and the conveying device 1 is annular in structure, and the conveying device 1 is connected in series with the sandblasting device 2 and the detection device 3 in sequence, and the conveying device 1 can convey the sample 6 between the sandblasting device 2 and the detection device 3. The conveying device 1 with an annular structure can ensure that the conveying path of the sample 6 is continuous. In the process of the sample 6 moving with the conveying device 1, the sample 6 can automatically reach or leave the sandblasting device 2 or the detection device 3, and the staff does not need to manually pick up and move the sample 6, which can effectively reduce the manpower time required in the process of evaluating the erosion resistance performance of the sample 6 and reduce the labor intensity of the staff.

[0033] The conveying device 1 can be a roller conveyor line, a chain plate conveyor line or a belt conveyor line, etc., and the conveying device 1 can be assembled in sections according to the actual use environment.

[0034] like Figure 2 As shown, according to one aspect of an embodiment of the present application, the sandblasting device 2 includes a sandblasting cabin 21 and a sandblasting assembly 22, the conveying device 1 penetrates the sandblasting cabin 21 along a first direction X, the sandblasting cabin 21 has an inlet and an outlet on both sides along the first direction X, and the conveying device 1 penetrates the sandblasting cabin 21 through the inlet and the outlet; sand-proof curtains may be provided at the inlet and the outlet to reduce the diffusion of sand particles in the sandblasting cabin 21 to the outside of the sandblasting cabin 21 during sandblasting of the sample 6.

[0035] The sandblasting assembly 22 is arranged above the interior of the sandblasting chamber 21. The sandblasting assembly 22 can sandblast the sample 6 conveyed on the conveying device 1. A sandblasting area is formed below the sandblasting assembly 22. After the sample 6 enters the sandblasting area, the sandblasting assembly 22 can sandblast the sample 6.

[0036] Optionally, the angle, strength and duration of sandblasting of sample 6 by the sandblasting component 22 can be adjusted to simulate the actual use environment of the wind turbine blade, so that the sand erosion resistance evaluation result of sample 6 is closer to the actual sand erosion resistance of the wind turbine blade, thereby improving the evaluation accuracy and reference value.

[0037] like Figure 2 As shown, according to one aspect of the embodiment of the present application, the sandblasting assembly 22 includes a sandblasting head 221 and an adjusting member 222, and the sandblasting head 221 can sandblast the sample 6 conveyed on the conveying device 1. The sandblasting head 221 is connected to the adjusting member 222, and the adjusting member 222 can drive the sandblasting head 221 to move along the first direction X, the second direction Y and / or the vertical direction Z; the first direction X and the second direction Y are both horizontal directions, and the first direction X, the second direction Y and the vertical direction Z are perpendicular to each other. The sandblasting head 221 can be flexibly adjusted in three-dimensional space through the adjusting member 222 to more accurately simulate the actual use environment of the wind turbine blade.

[0038] like Figure 2As shown, according to one aspect of an embodiment of the present application, the adjusting member 222 includes a first guide rail 2221, a sliding arm 2222 and a lifting arm 2223; the first guide rail 2221 extends along the first direction X, and the first guide rail 2221 can be detachably installed on the inner top surface of the sandblasting chamber 21.

[0039] The sliding arm 2222 is connected to the first guide rail 2221 . The sliding arm 2222 can slide back and forth along the first guide rail 2221 in the first direction X. The sliding arm 2222 is detachably connected to the second guide rail. Both the sliding arm 2222 and the second guide rail extend along the second direction Y.

[0040] Optionally, two first guide rails 2221 may be provided, and the two first guide rails 2221 are arranged in parallel and spaced apart along the second direction Y, and two ends of the sliding arm 2222 are respectively slidably connected to the two first guide rails 2221 .

[0041] The lifting arm 2223 can be extended and retracted along the vertical direction Z. The upper end of the lifting arm 2223 is connected to the second guide rail. The lifting arm 2223 can reciprocate along the second guide rail and the second direction Y. The sandblasting head 221 is connected to the lower end of the lifting arm 2223.

[0042] During the reciprocating movement of the sliding arm 2222 along the first guide rail 2221 in the first direction X, the lifting arm 2223 and the sandblasting head 221 are driven to move synchronously along the first direction X. During the reciprocating movement of the lifting arm 2223 along the second guide rail in the second direction Y, the sandblasting head 221 is driven to move synchronously along the second direction Y. The lifting arm 2223 can be extended and retracted along the vertical direction Z, and can drive the sandblasting head 221 to reciprocate along the vertical direction Z, thereby effectively realizing the free movement of the sandblasting head 221 in the three-dimensional space in the sandblasting chamber 21.

[0043] Optionally, according to one aspect of the embodiment of the present application, the lifting arm 2223 is rotatably connected to the sliding arm 2222 , and the lifting arm 2223 can rotate with the vertical direction Z as the axis to achieve rotation adjustment of the sandblasting head 221 .

[0044] And / or, the sandblasting head 221 is rotatably connected to the lifting arm 2223, the sandblasting head 221 can swing axially in the first direction X, the second direction Y and / or the vertical direction Z, and the sandblasting head 221 can be universally connected to the lifting arm 2223 through a spherical structure.

[0045] By rotating the sandblasting head 221 and the lifting arm 2223, the angle between the sandblasting head 221 and the outer surface of the sample 6 can be adjusted, so that not only the sandblasting head 221 can be opposite to the upper surface of the sample 6, but also the sandblasting head 221 can be opposite to the circumferential surface of the sample 6. In this way, the actual use environment of the wind turbine blade can be simulated more accurately, and the accuracy of the sand erosion resistance evaluation results can be improved.

[0046] Optionally, the swing angle of the sandblasting head 221 and the vertical direction Z form an angle of 0° to 90°.

[0047] Alternatively, if Figure 2 As shown, according to one aspect of an embodiment of the present application, the sandblasting device 2 also includes a protective shell 2224, which covers the adjusting member 222 to protect the adjusting member 222 and prevent sand particles from entering the two cooperating parts of the adjusting member 222 and causing adverse effects on the movement and adjustment of the sandblasting head 221.

[0048] like Figure 3 As shown, according to one aspect of an embodiment of the present application, the sandblasting device 2 also includes a clamping assembly 23, which is arranged inside the sandblasting chamber 21 and above the conveying device 1; after the sample 6 enters the sandblasting chamber 21 with the conveying device 1, the sample 6 can be fixed by the clamping assembly 23 to prevent the sample 6 from being displaced during the sandblasting process and affecting the accuracy of the sand erosion resistance evaluation results.

[0049] Optionally, the clamping assembly 23 includes a first clamping member 231 and a second clamping member 232 which are arranged opposite to each other along the second direction Y. The first clamping member 231 and the second clamping member 232 are respectively connected to the two sides of the sandblasting chamber 21 along the second direction Y. A clamping space capable of accommodating the sample 6 is formed between the first clamping member 231 and the second clamping member 232. The first clamping member 231 and the second clamping member 232 can approach or move away from each other along the second direction Y to clamp and fix the sample 6 or separate from the sample 6.

[0050] Optionally, the first clamping member 231 and the second clamping member 232 are provided with anti-friction pads on their surfaces facing the clamping space to prevent the first clamping member 231 and the second clamping member 232 from damaging the surface of the sample 6 during the process of clamping the sample 6. The anti-friction pads can be made of materials with good elasticity and a large friction coefficient, such as rubber or silicone.

[0051] like Figure 2 As shown, according to one aspect of an embodiment of the present application, the sandblasting assembly 22 also includes a recovery container 24, which is arranged below the sandblasting chamber 21. A hollow portion 27 is formed at the bottom of the sandblasting chamber 21, and the interior of the sandblasting chamber 21 is connected to the recovery container 24 through the hollow portion 27. During the sandblasting process, the sand particles fall to the bottom of the sandblasting chamber 21 and enter the recovery container 24 through the hollow portion 27 to recover the sand particles, and the recovered sand particles can be reused.

[0052] Optionally, the recovery container 24 is tapered from top to bottom to gather the recovered sand particles together, so as to facilitate subsequent sand particles to be discharged from the recovery container 24 .

[0053] Optionally, the hollow portion 27 is a hole structure opened on the bottom plate of the sandblasting chamber 21 .

[0054] Optionally, a plurality of spaced and mutually parallel shaft rollers 26 are provided on the bottom plate of the sandblasting chamber 21, and the shaft rollers 26 extend along the second direction Y, and a hollow portion 27 is formed between every two adjacent shaft rollers 26. The portion of the conveyor 1 inside the sandblasting chamber 21 rolls on the shaft rollers 26. By providing the shaft rollers 26, the friction between the conveyor 1 and the bottom plate of the sandblasting chamber 21 can be effectively reduced, thereby preventing the conveyor 1 or the bottom plate of the sandblasting chamber 21 from being worn.

[0055] Alternatively, if Figure 2 As shown, according to one aspect of an embodiment of the present application, the sandblasting device 2 also includes a frame 25, and the sandblasting chamber 21 and the recovery container 24 are both installed on the frame 25. By setting the frame 25, the sandblasting chamber 21 and the recovery container 24 can be installed and positioned to maintain the relative position between the two.

[0056] like Figure 4 As shown, according to one aspect of an embodiment of the present application, the detection device 3 includes an image acquisition component 31, and the image acquisition component 31 includes an image collector 311. The image collector 311 is arranged above the conveying device 1, and the image collector 311 can capture pictures of the sample 6.

[0057] Optionally, the image collector 311 can be a camera, which records the surface state of the sample 6 after each sand erosion and wear in the sandblasting chamber 21 by video or photo mode, and can cooperate with a display device to display the captured image in real time.

[0058] Optionally, the image collector 311 may be a scanner, which directly obtains in real time the surface data of the sample 6 after each sand erosion and wear in the sandblasting chamber 21 by scanning.

[0059] like Figure 4 As shown, according to one aspect of the embodiment of the present application, the image acquisition component 31 further includes an amplifier 312, and the amplifier 312 is arranged between the conveying device 1 and the image acquisition device 311. By setting the amplifier 312, the sand-etched area on the surface of the sample 6 can be selectively enlarged, so that the image acquisition device 311 can more clearly collect pictures or data on the surface of the sample 6.

[0060] Alternatively, if Figure 4 As shown, the image acquisition component 31 includes a bracket 313 , and the image collector 311 and the amplifier 312 are both installed on the bracket 313 .

[0061] Alternatively, if Figure 4As shown, the image acquisition component 31 also includes a protective box 314, and the image acquisition device 311 and the amplifier 312 are both arranged inside the protective box 314. By setting up the protective box 314, the image acquisition device 311 and the amplifier 312 can be protected to prevent sand particles from entering the interior of the image acquisition device 311 and the amplifier 312 and affecting their precision.

[0062] like Figure 1 As shown, according to one aspect of an embodiment of the present application, the detection device 3 also includes a weight detector 32, which is arranged below the conveying device 1, on the inner side of the annular structure or on the outer side of the annular structure. The weight detector 32 can detect the weight of the sample 6. By setting the weight detector 32, the weight of the sample 6 after each sand erosion and wear in the sandblasting chamber 21 can be detected, so as to more comprehensively evaluate the sand erosion resistance of the sample 6.

[0063] Optionally, the weight detector 32 can be an electronic weight sensor, which can be S-type, cantilever type, spoke type, plate ring type, membrane box type, bridge type, column type, etc.; or, the weight detector 32 can be a leather scale that cooperates with the conveying device 1.

[0064] like Figure 1 As shown, according to one aspect of an embodiment of the present application, the sand erosion resistance performance evaluation equipment also includes a dust removal device 4. Along the conveying direction of the conveying device 1, the dust removal device 4 is connected in series between the sandblasting device 2 and the detection device 3 through the conveying device 1. The dust removal device 4 has a dust removal part 41, and the dust removal part 41 is located above the conveying device 1. The dust removal device 4 can absorb or blow away the sand on the sample 6, so that the surface of the sample 6 can be effectively cleaned, so as to reduce errors in the subsequent detection process of the detection device 3 on the sample 6, thereby ensuring the accuracy of the sand erosion resistance performance evaluation of the sample 6.

[0065] Optionally, the dust removal device 4 can be a blower or a mobile dust collector, etc.

[0066] According to one aspect of the embodiment of the present application, the sand erosion resistance evaluation device further includes a power device and a control device. The power device is connected to the sandblasting device 2 and the conveying device 1 respectively to adjust the position and angle of the sandblasting head 221 in the sandblasting device 2, and to convey and stop the sample 6 by the conveying device 1.

[0067] The power device can be a pneumatic power assembly, a hydraulic power assembly or an electric power assembly, etc.

[0068] The control device is electrically connected to the power device, the detection device 3 and the dust removal device 4 respectively. Through the control device, the start and stop of the power device can be realized, and at the same time, the sandblasting intensity of the sandblasting head 221 of the sandblasting device 2, the start and stop of sandblasting, the detection of the sample 6 by the detection device 3, and the dust removal device 4 for the surface of the sample 6 can be controlled and adjusted.

[0069] The specific use process of the sand erosion resistance evaluation device provided in the embodiment of the present application will be exemplarily described below:

[0070] The manufacturing of sample 6 includes: selecting a glass fiber reinforced plastic substrate, setting a coating on the glass fiber reinforced plastic substrate according to a wind turbine blade coating process, coating a gel coat, a topcoat and a leading edge protective paint, and curing at room temperature for 7 days to obtain sample 6 for sand erosion resistance evaluation.

[0071] The sample 6 is placed on the conveying device 1. After the conveying device 1 conveys the sample 6 into the sandblasting chamber 21, the sample 6 is fixed by the clamping assembly 23, and the angle of the sandblasting head 221 of the sandblasting device 2 is adjusted so that the spraying direction of the sandblasting head 221 forms an angle of 60° with the upper surface of the sample 6. The sand grains used are made of 120# brown corundum.

[0072] A conveying device 1 with a conveying length of 10 m was used, and the conveying speed was set to 5 m / min; the sandblasting pressure of the sandblasting head 221 was adjusted, and the sandblasting time was set to 20 s each time, with an interval of 2 min between each sandblasting.

[0073] Start sandblasting. 20 seconds after the first sandblasting, the sample 6 passes through the conveying device 1 and the dust removal device 4 to remove the dust and sand particles on the surface. The weight is measured by the weight detector 32. The surface state of the sample 6 is collected by the image acquisition component 31. Then, the sample 6 is sent back to the sandblasting cabin 21 through the conveying device 1. The second sandblasting of 20 seconds can be carried out until the coating on the surface of the sample 6 is damaged or in other suitable conditions. The test is stopped. It should be noted that the number of sandblasting times can be flexibly adjusted according to the evaluation needs.

[0074] During the sand erosion resistance evaluation of Sample 6, the parameters can be set according to the following table.

[0075] Test Parameters Optional range Sand type According to demand, unlimited Sand particle size According to demand, unlimited Sandblasting speed 10m / s to 200m / s Sandblasting Angle 0° to 90° Coating thickness According to demand, unlimited Testing time According to demand, unlimited

[0076] Within the above parameter range, by adjusting the relative position between the sandblasting device 2 and the sample 6, the actual use environment of the wind turbine blade can be accurately simulated to obtain accurate and highly referenceable evaluation results.

[0077] Although the present application has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present application. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there are no structural conflicts. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A sand erosion resistance evaluation device, characterized in that: The sand erosion resistance evaluation device comprises a sandblasting device (2), a detection device (3) and a conveying device (1); The sandblasting device (2) and the detection device (3) are arranged at intervals, the conveying device (1) is in a ring structure, and the conveying device (1) is connected in series with the sandblasting device (2) and the detection device (3) in sequence, and the conveying device (1) can convey the sample (6) between the sandblasting device (2) and the detection device (3).

2. The sand erosion resistance evaluation device according to claim 1, characterized in that: The sandblasting device (2) comprises: A sandblasting cabin (21), wherein the conveying device (1) passes through the sandblasting cabin (21) along a first direction (X); A sandblasting assembly (22) is arranged above the interior of the sandblasting chamber (21), and the sandblasting assembly (22) can sandblast the sample (6) conveyed on the conveying device (1).

3. The sand erosion resistance evaluation device according to claim 2, characterized in that: The sandblasting assembly (22) comprises: a sandblasting head (221), wherein the sandblasting head (221) is capable of sandblasting the sample (6) conveyed on the conveying device (1); an adjusting component (222), the sandblasting head (221) being connected to the adjusting component (222), and the adjusting component (222) being capable of driving the sandblasting head (221) to move along the first direction (X), the second direction (Y) and / or the vertical direction (Z); The first direction (X), the second direction (Y) and the vertical direction (Z) are perpendicular to each other.

4. The sand erosion resistance evaluation device according to claim 3, characterized in that: The regulating member (222) comprises: A first guide rail (2221) extending along the first direction (X), wherein the first guide rail (2221) is installed on the inner top surface of the sandblasting chamber (21); A sliding arm (2222) is connected to the first guide rail (2221), the sliding arm (2222) can slide back and forth along the first guide rail (2221) in the first direction (X), the sliding arm (2222) is connected to a second guide rail, and the sliding arm (2222) and the second guide rail both extend along the second direction (Y); A lifting arm (2223), the lifting arm (2223) can be extended and retracted along the vertical direction (Z), the upper end of the lifting arm (2223) is connected to the second guide rail, the lifting arm (2223) can slide back and forth along the second guide rail and the second direction (Y), and the sandblasting head (221) is connected to the lower end of the lifting arm (2223).

5. The sand erosion resistance evaluation device according to claim 4, characterized in that: The lifting arm (2223) is rotatably connected to the sliding arm (2222), and the lifting arm (2223) can rotate with the vertical direction (Z) as the axial direction; And / or, the sandblasting head (221) is rotatably connected to the lifting arm (2223), and the sandblasting head (221) can swing axially in the first direction (X), the second direction (Y) and / or the vertical direction (Z).

6. The sand erosion resistance evaluation device according to any one of claims 2 to 5, characterized in that: The sandblasting device (2) further comprises a clamping assembly (23), wherein the clamping assembly (23) is arranged inside the sandblasting chamber (21) and above the conveying device (1); The clamping assembly (23) comprises a first clamping member (231) and a second clamping member (232) which are arranged opposite to each other along a second direction (Y); the first clamping member (231) and the second clamping member (232) are respectively connected to two sides of the sandblasting chamber (21) along the second direction (Y); a clamping space capable of accommodating the sample (6) is formed between the first clamping member (231) and the second clamping member (232); the first clamping member (231) and the second clamping member (232) can approach or move away from each other along the second direction (Y).

7. The sand erosion resistance evaluation device according to any one of claims 2 to 5, characterized in that: The sandblasting assembly (22) further comprises a recovery container (24), wherein the recovery container (24) is arranged below the sandblasting chamber (21), a hollow portion (27) is formed at the bottom of the sandblasting chamber (21), and the interior of the sandblasting chamber (21) is connected to the recovery container (24) via the hollow portion (27).

8. The sand erosion resistance evaluation device according to claim 1, characterized in that: The detection device (3) comprises an image acquisition component (31), and the image acquisition component (31) comprises an image collector (311). The image collector (311) is arranged above the conveying device (1), and the image collector (311) can collect pictures of the sample (6).

9. The sand erosion resistance evaluation device according to claim 8, characterized in that: The image acquisition component (31) further comprises an amplifier (312), wherein the amplifier (312) is arranged between the transmission device (1) and the image acquisition device (311).

10. The sand erosion resistance evaluation device according to claim 8 or 9, characterized in that: The detection device (3) also includes a weight detector (32), which is arranged below the conveying device (1), on the inner side of the annular structure or on the outer side of the annular structure. The weight detector (32) can detect the weight of the sample (6).

11. The sand erosion resistance evaluation device according to claim 1, characterized in that: The sand erosion resistance evaluation equipment also includes a dust removal device (4). Along the conveying direction of the conveying device (1), the dust removal device (4) is connected in series between the sandblasting device (2) and the detection device (3) through the conveying device (1). The dust removal device (4) has a dust removal part (41). The dust removal part (41) is located above the conveying device (1). The dust removal device (4) can absorb or blow away the sand on the sample (6).

12. The sand erosion resistance evaluation device according to claim 11, characterized in that: The sand erosion resistance evaluation equipment also includes a power device and a control device, wherein the power device is respectively connected to the sandblasting device (2) and the conveying device (1), and the control device is respectively electrically connected to the power device, the detection device (3) and the dust removal device (4).