A wind power blade surface crack detection device

Abstract

The utility model relates to crack detection technical field, concretely is a kind of wind power blade surface crack detection device, including assembly platform, the support frame is supported in assembly platform bottom, the support steel cylinder is supported in assembly platform top, and support steel cylinder inside is inserted and is equipped with inner slide bar, the parallel main telescopic cylinder of inner slide bar bottom is provided, and the front extension pole frame of main telescopic cylinder left side end is integrally provided, the front vertical plate is equipped in front extension pole frame front side, and infrared detection piece one is equipped in front vertical plate lower part.The utility model is convenient to the large volume wind power blade and is adjusted to support auxiliary detection, it is favorable to improve operation detection efficiency.

Description

Technical Field

[0001] This utility model relates to the field of crack detection technology, specifically a crack detection device for the surface of wind turbine blades. Background Technology

[0002] In recent years, with the continuous growth of global demand for clean energy, wind power, as an important component of green and renewable energy, has developed rapidly. Wind turbine blades, as a key core component of wind turbine generators, directly affect power generation efficiency and generator safety. To ensure their quality and safety, auxiliary surface inspection for cracks is required before production to ensure safe installation and use. Infrared detection technology identifies defects based on differences in surface temperature distribution. Due to its advantages such as non-contact detection, fast detection speed, and ability to perform large-area rapid scanning, it shows great potential in the field of material defect detection.

[0003] In response, Chinese patent application number CN202321574218.9 discloses a wind turbine blade crack detection mechanism, comprising: a base, with electric guide rails on both sides of the top of the base; connecting rods at the output ends of the two sets of electric guide rails, both sets of connecting rods being connected to a guide device, and a rotating device on the guide device; a fixed seat on the rotating device, and an electric telescopic rod on the fixed seat, with a detection head at the output end of the electric telescopic rod; the electric guide rails can drive the detection head to move along the length of the wind turbine blade, and the guide device guides the gear ring, allowing the gear to drive the detection head to rotate around the wind turbine blade, and then the electric telescopic rod drives the detection head closer to the wind turbine blade, thereby detecting cracks on the surface of the wind turbine blade;

[0004] However, existing testing equipment is inconvenient for adjusting and supporting large-volume wind turbine blades for auxiliary testing, which affects the efficiency of operation and testing.

[0005] Therefore, in order to solve the above problems, a wind turbine blade surface crack detection device is proposed. Utility Model Content

[0006] The purpose of this invention is to provide a wind turbine blade surface crack detection device to solve the problem mentioned in the background art that the existing detection devices are inconvenient to adjust and support for large-volume wind turbine blades, thus affecting the operation and detection efficiency.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a wind turbine blade surface crack detection device, comprising an assembly platform, a support frame at the bottom of the assembly platform, a support steel cylinder at the top of the assembly platform, an inner sliding rod inserted inside the support steel cylinder, a parallel main telescopic cylinder at the bottom of the inner sliding rod, a forward extension frame integrally provided on the left side of the main telescopic cylinder, a front upright plate assembled on the front side of the forward extension frame, and an infrared detection element assembled on the lower part of the front upright plate.

[0008] As a further step of this solution, an infrared detector is symmetrically arranged on the right side of the infrared detector one, and an inner sliding plate is fixedly provided on the upper part of the infrared detector two. The upper middle part of the inner sliding plate is sleeved on the outer wall of the front extension rod frame, and a corresponding front rod sleeve is fixedly provided on the outer wall of the front extension rod frame.

[0009] As a further step of this solution, a secondary telescopic cylinder is installed at the center of the upper part of the inner sliding plate, and a lower support plate is supported at the bottom of the secondary telescopic cylinder. A positioning plate and a support plate are correspondingly provided below the lower support plate. The positioning plate and the support plate are both fitted onto the outer wall of the front extension rod frame and the front rod sleeve. The support plate is supported on both sides by mounting accessories, and the positioning plate is also supported on both sides by corresponding mounting sleeves. The mounting accessories and mounting sleeves are fitted onto the outer wall of the front extension rod frame and the front rod sleeve and are fastened by bolts.

[0010] As a further step of this solution, the bottom of the front upright plate and the inner slide plate are integrally provided with a front vertical plate and an inner vertical plate corresponding to infrared detection element one and infrared detection element two. Limiting slide rods are inserted through both sides of the inner slide plate, and the two ends of the limiting slide rods are supported and assembled on the inner wall of the front upright plate and the inner wall of the positioning plate. An auxiliary sleeve is fixed in the middle of the inner slide plate, and corresponding auxiliary slide grooves are opened inside the auxiliary sleeve and the inner slide plate.

[0011] As a further step of this solution, the bottom of the supporting steel cylinder is supported by a front support leg and a rear support leg. The bottom of the front support leg is fixedly provided with a front hinge tongue. The bottom of the front hinge tongue is hinged to a front hinge seat, and the front hinge seat is supported and assembled on the side of the assembly table surface. The bottom of the rear support leg is supported by a rear upper hinge tongue, and the lower part of the rear upper hinge tongue is hinged to a rear upper hinge seat. The bottom of the supporting steel cylinder is supported by an auxiliary telescopic cylinder. The telescopic end of the auxiliary telescopic cylinder is fixed to the outer wall of the rear upper hinge seat. The rear end of the auxiliary telescopic cylinder is supported by a rear lower hinge tongue, and the lower part of the rear lower hinge tongue is hinged to a rear lower hinge seat, and the rear lower hinge seat is supported and assembled on the side of the assembly table surface.

[0012] As a further step of this solution, the outer wall of the main telescopic cylinder is inserted and assembled inside the front support leg and the rear support leg, and the front support leg and the rear support leg are provided with assembly through holes corresponding to the main telescopic cylinder. The telescopic end of the main telescopic cylinder is fixedly provided with a push-pull head, and a support plate is assembled on the upper part of the push-pull head. The support plate is supported and assembled on the outer wall of the rear end of the inner slide rod.

[0013] As a further step of this solution, the inner sliding rod is supported by inner horizontal roller sleeves on both the upper and lower sides of its outer wall, and inner vertical roller sleeves are supported on the left and right sides of its outer wall. The inner horizontal roller sleeves and inner vertical roller sleeves are both installed inside the support steel cylinder by means of pin shafts.

[0014] As a further step of this solution, the bottom of the support frame is equipped with a forklift, and the bottom of the support frame is mounted on the lifting fork of the forklift. The lower side of the support frame is supported by a lower bracket, and the upper part of the support frame is supported by an upper bracket, which is supported at the bottom of the assembly table.

[0015] Compared with the prior art, the beneficial effects of this utility model are: this utility model facilitates the adjustment, support and auxiliary testing of large-volume wind turbine blades, which helps to improve the efficiency of operation and testing.

[0016] 1. This utility model, by setting a front upright plate and an infrared detection component, allows for easy adjustment of the distance between the infrared detection component and the inner sliding plate during assembly and use, making operation more convenient. It also facilitates auxiliary detection of surface cracks on wind turbine blades and allows for auxiliary adjustment of the support according to the blade thickness, further enhancing the convenience and practicality of the wind turbine blade surface crack detection device.

[0017] 2. This utility model, by setting up a supporting steel cylinder and an inner sliding rod, facilitates the extension and retraction of the main telescopic cylinder to drive the auxiliary extension and retraction of the inner sliding rod and the forward extension frame. With the cooperation of the supporting frame, it is convenient to assist the movement and support of infrared detection component one and infrared detection component two, making the detection operation more convenient and efficient. Through this design, the convenience and practicality of the wind turbine blade surface crack detection device are improved. Attached Figure Description

[0018] Figure 1 This is a frontal perspective three-dimensional schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a side perspective three-dimensional schematic diagram of the overall structure of this utility model;

[0020] Figure 3 This is a side-view perspective of a partial structure of infrared detection element one and infrared detection element two of this utility model;

[0021] Figure 4 This is a three-dimensional side view of a partial structure of the supporting steel cylinder of this utility model;

[0022] Figure 5 This is a side perspective three-dimensional schematic diagram of a partial structure of the support frame of this utility model;

[0023] In the diagram: 100, Assembly table; 110, Support steel cylinder; 111, Front support leg; 112, Rear support leg; 113, Front hinge tongue; 114, Front hinge seat; 115, Auxiliary telescopic cylinder; 116, Rear upper hinge tongue; 117, Rear upper hinge seat; 118, Rear lower hinge tongue; 119, Rear lower hinge seat; 120, Inner slide rod; 121, Inner horizontal roller sleeve; 122, Inner vertical roller sleeve; 123, Pin shaft; 130, Main telescopic cylinder; 131, Push-pull head; 132, Support plate; 133, Assembly through hole; 140, Forward extension. 141. Pole frame; 142. Limiting slide bar; 150. Front upright plate; 151. Front vertical plate; 160. Infrared detection component one; 170. Infrared detection component two; 180. Inner sliding plate; 181. Inner vertical plate; 182. Secondary telescopic cylinder; 183. Lower support plate; 184. Positioning plate; 185. Support plate; 186. Assembly kit; 187. Mounting sleeve; 188. Auxiliary sleeve; 189. Auxiliary slide groove; 190. Support frame; 191. Forklift; 192. Lower bracket; 193. Upper bracket. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-5 One embodiment provided by this utility model:

[0026] A wind turbine blade surface crack detection device includes an assembly platform 100, a support frame 190 at the bottom of the assembly platform 100, a support steel cylinder 110 at the top of the assembly platform 100, an inner slide rod 120 inserted inside the support steel cylinder 110, a parallel main telescopic cylinder 130 at the bottom of the inner slide rod 120, a front extension rod frame 140 integrally provided on the left side of the main telescopic cylinder 130, a front upright plate 150 assembled on the front side of the front extension rod frame 140, and an infrared detection element 160 assembled at the lower part of the front upright plate 150.

[0027] As described in more detail in this embodiment, an infrared detector 170 is symmetrically arranged on the right side of the infrared detector 160, and an inner sliding plate 180 is fixedly provided on the upper part of the infrared detector 170. The upper middle part of the inner sliding plate 180 is sleeved on the outer wall of the front extension rod frame 140, and a corresponding front rod sleeve 141 is fixedly provided on the outer wall of the front extension rod frame 140.

[0028] Therefore, during assembly and use, it is convenient to provide auxiliary support for the infrared detection component 160 and the infrared detection component 170, making operation and use more convenient.

[0029] As described in more detail in this embodiment, an auxiliary telescopic cylinder 182 is mounted at the center of the upper part of the inner sliding plate 180, and a lower support plate 183 is supported at the bottom of the auxiliary telescopic cylinder 182. A positioning plate 184 and a support plate 185 are correspondingly arranged below the lower support plate 183. The positioning plate 184 and the support plate 185 are both fitted onto the outer wall of the front extension rod frame 140 and the front rod sleeve 141. Mounting sleeves 186 are supported on both sides of the support plate 185, and corresponding mounting sleeves 187 are also supported on both sides of the positioning plate 184. The mounting sleeves 186 and the mounting sleeves 187 are fitted onto the outer wall of the front extension rod frame 140 and the front rod sleeve 141 and are fastened by bolts.

[0030] Therefore, during assembly and use, it is convenient to push and pull the inner slide plate 180, making operation and use more convenient, and realizing auxiliary adjustment of the distance between infrared detection component 160 and infrared detection component 170.

[0031] As described in more detail in this embodiment, the bottom of the front upright plate 150 and the inner slide plate 180 are integrally provided with a front vertical plate 151 and an inner vertical plate 181 corresponding to the infrared detection element 160 and the infrared detection element 2 170. Limiting slide rods 142 are inserted through both sides of the inner slide plate 180, and the two ends of the limiting slide rods 142 are supported and assembled on the inner wall of the front upright plate 150 and the inner wall of the positioning plate 184. An auxiliary sleeve 188 is fixed in the middle of the inner slide plate 180, and corresponding auxiliary slide grooves 189 are opened inside the auxiliary sleeve 188 and the inner slide plate 180.

[0032] Therefore, during assembly and use, the limiting slide bar 142 facilitates the auxiliary and stable support sliding of the inner slide plate 180, making operation and use more convenient.

[0033] As described in more detail in this embodiment, the bottom of the supporting steel cylinder 110 is supported by a front support leg 111 and a rear support leg 112. The bottom of the front support leg 111 is fixedly provided with a front hinge tongue 113. The bottom of the front hinge tongue 113 is hinged to a front hinge seat 114. The front hinge seat 114 is supported and mounted on the side of the surface of the assembly table 100. The bottom of the rear support leg 112 is supported by a rear upper hinge tongue 116. The lower part of the rear upper hinge tongue 116 is hinged to a rear upper hinge seat 117. The bottom of the supporting steel cylinder 110 is supported by an auxiliary telescopic cylinder 115. The telescopic end of the auxiliary telescopic cylinder 115 is fixed to the outer wall of the rear upper hinge seat 117. The rear end of the auxiliary telescopic cylinder 115 is supported by a rear lower hinge tongue 118. The lower part of the rear lower hinge tongue 118 is hinged to a rear lower hinge seat 119. The rear lower hinge seat 119 is supported and mounted on the side of the surface of the assembly table 100.

[0034] Therefore, during assembly and use, the tilt angle can be adjusted by extending and retracting the front upright plate 150, making operation and use more convenient and efficient.

[0035] As described in more detail in this embodiment, the main telescopic cylinder 130 is inserted and assembled inside the front support leg 111 and the rear support leg 112 on the outer wall. The front support leg 111 and the rear support leg 112 are provided with assembly through holes 133 corresponding to the main telescopic cylinder 130. The telescopic end of the main telescopic cylinder 130 is fixedly provided with a push-pull head 131, and a support plate 132 is assembled on the upper part of the push-pull head 131. The support plate 132 is supported and assembled on the outer wall of the rear end of the inner slide rod 120.

[0036] Therefore, during assembly and use, it is convenient to assemble the auxiliary support for the main telescopic cylinder 130, making subsequent push-pull operations more convenient.

[0037] As described in more detail in this embodiment, the inner slide rod 120 is supported by inner horizontal roller sleeves 121 on both the upper and lower sides of its outer wall, and inner vertical roller sleeves 122 are supported on the left and right sides of its outer wall. The inner horizontal roller sleeves 121 and inner vertical roller sleeves 122 are both inserted and assembled into the inner side of the supporting steel cylinder 110 through pin shafts 123.

[0038] Therefore, during assembly and use, it is convenient to extend and retract the inner slide rod 120 and the supporting steel cylinder 110, making operation and use more convenient.

[0039] As described in more detail in this embodiment, the bottom of the support frame 190 is supported by a forklift 191, and the bottom of the support frame 190 is mounted on the lifting fork of the forklift 191. The lower side of the support frame 190 is supported by a lower bracket 192, and the upper part of the support frame 190 is supported by an upper bracket 193, which is supported at the bottom of the assembly table 100.

[0040] Therefore, during assembly and use, it is convenient to assist in walking and moving the support according to the needs of use, and it is convenient to perform auxiliary movement and detection along the blade, making the operation more convenient.

[0041] Working principle: During assembly and use, the auxiliary telescopic cylinder 115, the main telescopic cylinder 130 and the auxiliary telescopic cylinder 182 are connected to the corresponding control and drive components. Then, the infrared detection component 160 and the infrared detection component 2170 are connected to other infrared auxiliary hardware modules to facilitate subsequent data acquisition and make subsequent detection easier.

[0042] With the support frame 190 mounted on the forklift 191, it facilitates the auxiliary movement of the assembly table 100. Simultaneously, with the hinged support of the front hinge tongue 113 and the front hinge seat 114, the extension and retraction of the auxiliary telescopic cylinder 115 facilitates the adjustment of the angle of the support steel cylinder 110. Subsequently, according to usage requirements, the extension and retraction of the main telescopic cylinder 130 drives the extension and retraction of the inner slide rod 120, thereby moving the front extension rod 140. This causes the front extension rod 140 to extend the front upright plate 150 forward. Then, under the support... With the cooperation of the support frame 190 and the forklift 191, the assembly platform 100 is raised and lowered, allowing the assembly platform 100 to cross the blade with the cooperation of the support steel cylinder 110, the inner slide rod 120 and the front upright plate 150. Then, according to the blade width, with the cooperation of the auxiliary telescopic cylinder 182, the inner slide plate 180 and the infrared detector 170 are moved, so that the infrared detector 160 and the infrared detector 170 can be easily covered on both sides of the blade, which facilitates the detection of cracks in the blade and makes the operation more convenient. The operation ends here.

[0043] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A device for detecting surface cracks in wind turbine blades, comprising an assembly table (100), characterized in that: The assembly platform (100) is supported by a support frame (190) at the bottom and a support steel cylinder (110) at the top. An inner slide rod (120) is inserted and installed inside the support steel cylinder (110). A parallel main telescopic cylinder (130) is provided at the bottom of the inner slide rod (120). A front extension rod frame (140) is integrally provided on the left side of the main telescopic cylinder (130). A front upright plate (150) is installed on the front side of the front extension rod frame (140), and an infrared detection element (160) is installed at the lower part of the front upright plate (150).

2. The wind turbine blade surface crack detection device according to claim 1, characterized in that: Infrared detector one (160) is symmetrically provided with infrared detector two (170) on the right side, and an inner sliding plate (180) is fixed on the upper part of infrared detector two (170). The upper middle part of the inner sliding plate (180) is sleeved on the outer wall of the front extension rod frame (140), and a corresponding front rod sleeve (141) is fixed on the outer wall of the front extension rod frame (140).

3. The wind turbine blade surface crack detection device according to claim 2, characterized in that: The inner slide plate (180) is equipped with a secondary telescopic cylinder (182) at the center of its upper part, and the lower support plate (183) is supported at the bottom of the secondary telescopic cylinder (182). A positioning plate (184) and a support plate (185) are correspondingly arranged below the lower support plate (183). The positioning plate (184) and the support plate (185) are both fitted onto the outer wall of the front extension rod frame (140) and the front rod sleeve (141). The support plate (185) is supported on both sides by mounting accessories (186), and the positioning plate (184) is also supported on both sides by corresponding mounting sleeves (187). The mounting accessories (186) and the mounting sleeves (187) are fitted onto the outer wall of the front extension rod frame (140) and the front rod sleeve (141) and are fastened by bolts.

4. The wind turbine blade surface crack detection device according to claim 2, characterized in that: The bottom of the front upright plate (150) and the inner slide plate (180) are integrally provided with a front vertical plate (151) and an inner vertical plate (181) corresponding to the infrared detection component one (160) and the infrared detection component two (170). The inner slide plate (180) is fitted with limit slide rods (142) through both sides, and the two ends of the limit slide rods (142) are supported and fitted on the inner wall of the front upright plate (150) and the inner wall of the positioning plate (184). An auxiliary sleeve (188) is fixed in the middle of the inner slide plate (180), and the auxiliary sleeve (188) and the inner slide plate (180) are provided with corresponding auxiliary slide grooves (189).

5. The wind turbine blade surface crack detection device according to claim 1, characterized in that: The bottom of the supporting steel cylinder (110) is supported by a front support leg (111) and a rear support leg (112). The bottom of the front support leg (111) is fixed with a front hinge tongue (113). The bottom of the front hinge tongue (113) is hinged to a front hinge seat (114), and the front hinge seat (114) is supported and mounted on the side of the surface of the assembly table (100). The bottom of the rear support leg (112) is supported by a rear upper hinge tongue (116), and the lower part of the rear upper hinge tongue (116) is hinged to... There is a rear upper hinge seat (117), and the bottom of the supporting steel cylinder (110) is supported by an auxiliary telescopic cylinder (115). The telescopic end of the auxiliary telescopic cylinder (115) is fixed on the outer wall of the rear upper hinge seat (117). The rear end of the auxiliary telescopic cylinder (115) is supported by a rear lower hinge tongue (118), and the lower part of the rear lower hinge tongue (118) is hinged to a rear lower hinge seat (119). The rear lower hinge seat (119) is supported and assembled on the side of the surface of the assembly table (100).

6. The wind turbine blade surface crack detection device according to claim 2, characterized in that: The main telescopic cylinder (130) is inserted into the front support leg (111) and the rear support leg (112) on the outer wall. The front support leg (111) and the rear support leg (112) are provided with mounting through holes (133) corresponding to the main telescopic cylinder (130). The telescopic end of the main telescopic cylinder (130) is fixedly provided with a push-pull head (131), and a support plate (132) is mounted on the upper part of the push-pull head (131). The support plate (132) is supported and mounted on the outer wall of the rear end of the inner slide rod (120).

7. The wind turbine blade surface crack detection device according to claim 1, characterized in that: The inner slide rod (120) is supported by inner horizontal roller sleeves (121) on both the upper and lower sides of its outer wall, and inner vertical roller sleeves (122) are supported on the left and right sides of its outer wall. The inner horizontal roller sleeves (121) and inner vertical roller sleeves (122) are both inserted and assembled on the inner side of the supporting steel cylinder (110) by means of pin shafts (123).

8. The wind turbine blade surface crack detection device according to claim 1, characterized in that: The bottom of the support frame (190) is equipped with a forklift (191), and the bottom of the support frame (190) is mounted on the lifting fork of the forklift (191). The lower side of the support frame (190) is supported by a lower bracket (192), and the upper part of the support frame (190) is supported by an upper bracket (193), which is supported at the bottom of the assembly table (100).

Images