Wind turbine generator blade inner cavity inspection device

Abstract

The invention relates to the technical field of wind turbine generators, in particular to a wind turbine generator blade inner cavity inspection device and a placement assembly, the wind turbine generator blade inner cavity inspection device comprises a containing part, a seating part and an adjusting part, the seating part is arranged on the containing part, and the adjusting part is arranged on the containing part; the adjusting assembly comprises a moving part, a follower and a limiting part, the moving part is arranged on the containing part, the follower is arranged on the moving part, and the limiting part is arranged on the adjusting part; the inspection assembly comprises an illumination part and a detection part, the illumination part is arranged on the follower, the detection part is arranged on the illumination part, the placement assembly, the adjusting assembly and the detection assembly are matched with one another, an inner cavity of the blade in the area can be inspected, and all the blade roots and blade tips are inspected in a reciprocating mode in sequence; therefore, all parts of the inner cavity of the blade of the fan motor set can be detected, the harm caused by personnel entering the detection is avoided, the detection is more convenient, the time is saved, and the manpower waste is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of wind turbines, and in particular to a device for inspecting the inner cavity of a blade of a wind turbine. Background Art

[0002] Due to the growth of installed capacity of wind turbines, accompanied by the increase of operating time, and the influence of various environmental factors, blades of the units may break, which may cause accidents such as blade sweeping the tower and causing tower collapse. In order to avoid similar incidents and detect blade defects in time, it is necessary to inspect the inner cavity of the wind turbine blades.

[0003] At present, regarding the inspection of the inner cavity of wind turbine blades, most of the time, maintenance personnel enter the inner cavity through the blade manhole cover for inspection. Due to the limitation of the blade inner cavity structure, maintenance personnel cannot fully enter and cannot complete the entire inner cavity inspection work. Summary of the invention

[0004] In view of the above-mentioned existing wind turbine blade inner cavity inspection, most of them adopt the method of maintenance personnel entering the inner cavity through the blade manhole cover for inspection. Due to the limitation of the blade inner cavity structure, the maintenance personnel cannot fully enter and cannot complete the entire inner cavity inspection work. The present invention is proposed.

[0005] Therefore, an object of the present invention is to provide a device for inspecting the inner cavity of a blade of a wind turbine generator set.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a wind turbine blade inner cavity inspection device, comprising:

[0007] A placement component, comprising a receiving part, a seating part and an adjusting part, wherein the seating part is arranged on the receiving part, and the adjusting part is arranged on the receiving part;

[0008] An adjustment component, comprising a moving member, a follower and a limiting member, wherein the moving member is arranged on the accommodating member, the follower is arranged on the moving member, and the limiting member is arranged on the adjusting member; and

[0009] The inspection component comprises an illuminating component and a detecting component, wherein the illuminating component is arranged on the following component, and the detecting component is arranged on the illuminating component.

[0010] As a preferred solution of a wind turbine blade inner cavity inspection device of the present invention, the accommodating member includes a blade body, an inner cavity arranged in the blade body, a first storage seat and a second storage seat arranged on the inner cavity, and the first storage seat and the second storage seat are symmetrically arranged.

[0011] As a preferred solution of a wind turbine blade inner cavity inspection device of the present invention, the seating member includes a first embedded platform fixedly connected to the first storage seat, a second embedded platform fixedly connected to the first embedded platform, and the first embedded platform and the second embedded platform are also fixedly connected to the second storage seat.

[0012] As a preferred solution of a wind turbine blade inner cavity inspection device of the present invention, the adjustment member includes a first sliding groove opened on one side of the first storage seat, a second sliding groove opened on one side of the second storage seat, and an adjustment block movably connected between the first sliding groove and the second sliding groove.

[0013] As a preferred solution of the wind turbine blade inner cavity inspection device of the present invention, the movable part includes a movable surface opened on the inner side surfaces of the first storage seat and the second storage seat, a wire release device movably connected to the movable surface, and a retractable rope rotatably connected to the wire release device.

[0014] As a preferred solution of the wind turbine blade inner cavity inspection device of the present invention, the follower comprises a telescopic tube movably connected to the wire release device, and a limiting hole is provided on the telescopic tube.

[0015] As a preferred solution of a wind turbine blade inner cavity inspection device of the present invention, the limiting member includes a movable groove opened on one side of the adjusting block, auxiliary grooves opened on the adjusting block on both sides of the movable groove, a limiting groove opened on the other side of the adjusting block, and a limiting block movably connected to the limiting groove.

[0016] As a preferred solution of the wind turbine blade inner cavity inspection device of the present invention, the movable groove and the limiting groove are formed in a cross structure and are perpendicular to each other, and the diameter of the movable groove is larger than that of the limiting groove.

[0017] As a preferred solution of a wind turbine blade inner cavity inspection device of the present invention, the lighting component includes a lamp holder fixedly connected to one side of the telescopic tube, which is used to provide brightness for easy observation during inspection.

[0018] As a preferred solution of the wind turbine blade inner cavity inspection device of the present invention, the detection component includes a pan-tilt base fixedly connected to the lamp holder, and a camera rotatably connected to the pan-tilt base.

[0019] The beneficial effects of the present invention are as follows: through the cooperation of the placement components, the adjustment components and the detection components, the inner cavity of the blade in the area can be inspected, and the inspection can be completed from the blade root to the blade tip in sequence, thereby achieving the purpose of fully inspecting all parts of the inner cavity of the fan motor unit blade, avoiding the hazards caused by personnel entering for inspection, and making the inspection more convenient, saving time and manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 The present invention is a schematic diagram of the overall structure of a wind turbine blade inner cavity inspection device.

[0022] Figure 2 The present invention is a partial structural schematic diagram of a wind turbine blade inner cavity inspection device.

[0023] Figure 3 The present invention is a schematic diagram of the structure of an adjustment component of a wind turbine blade inner cavity inspection device.

[0024] Figure 4 The present invention is a schematic diagram of the partial structural disassembly of a wind turbine blade inner cavity inspection device. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0028] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0029] Example 1

[0030] Reference Figure 1 - Figure 4, which is the first embodiment of the present invention, provides a wind turbine blade inner cavity inspection device, the device includes a placement component 100, including a receiving member 101, a seating member 102 and an adjusting member 103, the seating member 102 is arranged on the receiving member 101, and the adjusting member 103 is arranged on the receiving member 101. Through the interaction between the receiving member 101, the seating member 102 and the adjusting member 103, the entire device can be installed on the wind turbine blade, which is convenient for subsequent detection work.

[0031] Specifically, the container 101 includes a leaf body 101a, an inner cavity 101b arranged in the leaf body 101a, and the internal situation of the leaf body 101a can be checked through the inner cavity 101b. The first storage seat 101c and the second storage seat 101d are arranged on the inner cavity 101b, and the first storage seat 101c and the second storage seat 101d are symmetrically arranged. The first storage seat 101c and the second storage seat 101d have a certain arc structure, and the outer side surface has a certain horizontal surface, which is convenient for taking. The upper side position of the first storage seat 101c and the second storage seat 101d has a certain elasticity, which is used to assist the equipment to enter the inner cavity 101b for detection. The first storage seat 101c and the second storage seat 101d can be directly located on the outer side of the inner cavity 101b, and the first storage seat 101c and the second storage seat 101d can directly fit the outer surface of the leaf body.

[0032] Furthermore, the seating member 102 includes a first embedded platform 102a fixedly connected to the first storage seat 101c, the first embedded platform 102a is a crescent structure fixedly connected to the inner side of the first storage seat 101c, and extends to the outer edge surface of the inner cavity 101b opened by the leaf body 101a, and a second embedded platform 102b fixedly connected to the first embedded platform 102a, and the second embedded platform 102b is connected to the bottom side of the first embedded platform 102a, and It is stepped with the first embedded platform 102a, so that the second embedded platform 102b can be located in the inner cavity 101b, and the first embedded platform 102a and the second embedded platform 102b are also fixedly connected to the second storage seat 101d. Through the arrangement of the first embedded platform 102a and the second embedded platform 102b, the first storage seat 101c and the second storage seat 101d can be directly located in the inner cavity 101b of the blade body 101a, which is convenient for subsequent detection work.

[0033] Furthermore, the adjusting member 103 includes a first sliding groove 103a opened on one side of the first storage seat 101c, and the first sliding groove 103a penetrates the first storage seat 101c and penetrates directly left and right from a certain position, a second sliding groove 103b opened on one side of the second storage seat 101d, and the second sliding groove 103b penetrates the second storage seat 101d and penetrates directly left and right from a certain position, an adjusting block 103c movably connected between the first sliding groove 103a and the second sliding groove 103b, and the adjusting block 103c can be adjusted in displacement on the first storage seat 101c and the second storage seat 101d through the first sliding groove 103a and the second sliding groove 103b.

[0034] During operation, an inner cavity 101b is provided in the blade body 101a for checking the internal condition of the blade body 101a. A first storage seat 101c and a second storage seat 101d are symmetrically provided on the inner cavity 101b. Both of them have an arc structure and a certain horizontal surface on the outer side, which is convenient for taking. The first storage seat 101c and the second storage seat 101d can be directly placed on the outer side surface of the inner cavity 101b and fit the outer surface of the blade body 101a. The first embedded platform 102a and the second embedded platform 102b are fixedly connected to the first storage seat 101c and the second storage seat 101d respectively. The first embedded platform 102a is a crescent structure and is fixed to the first storage seat 101 c, and extends to the outer edge of the inner cavity 101b, the second embedded platform 102b is connected to the bottom side of the first embedded platform 102a, and forms a stepped structure with the first embedded platform 102a, so that the second embedded platform 102b can be located in the inner cavity 101b; the first storage seat 101c and the second storage seat 101d are respectively provided with a first sliding groove 103a and a second sliding groove 103b, both of which are designed to penetrate from left to right, and the adjustment block 103c is movably connected between the first sliding groove 103a and the second sliding groove 103b, and displacement adjustment can be performed on the first storage seat 101c and the second storage seat 101d through these sliding grooves.

[0035] Through the above arrangement, the device can be stably mounted on the wind turbine blades, and the position can be fine-tuned through the adjusting member 103 to facilitate subsequent detection work. The entire operation process is simple and efficient and is applicable to a variety of detection environments.

[0036] Example 2

[0037] Reference Figure 1, which is the first embodiment of the present invention, provides a wind turbine blade inner cavity inspection device, the device includes an adjustment component 200, including a moving part 201, a follower 202 and a limiting part 203, the moving part 201 is arranged on the accommodating part 101, the following part 202 is arranged on the moving part 201, and the limiting part 203 is arranged on the adjusting part 103. Through the interaction between the moving part 201, the following part 202 and the limiting part 203, part of the equipment can be moved into the inner cavity 101b to facilitate subsequent detection.

[0038] Specifically, the moving part 201 includes a moving surface 201a opened on the inner side of the first storage seat 101c and the second storage seat 101d. The moving surface 201a is a semicircular arc structure. In order to better move the operation, the moving surface 201a is connected to the movably connected wire releaser 201b. The wire releaser 201b can move between the first storage seat 101c and the second storage seat 101d. Depending on the depth of detection, the wire releaser 201b is connected to the retracted rope 201c by rotation. The wire releaser 201b can be extended and lowered or recovered through the wire releaser 201b, which is also to assist in the depth of detection.

[0039] Furthermore, the follower 202 includes a telescopic tube 202a movably connected to the wire releaser 201b, and a limiting hole 202b is provided on the telescopic tube 202a. The telescopic tube 202a can be extended into the inner cavity 101b. The telescopic tube 202a can be stretched to a length according to the length to be detected. There are several limiting holes 202b, and each section of the telescopic tube 202a has a limiting hole 202b in order to limit the position of the telescopic tube 202a.

[0040] Furthermore, the limiting member 203 includes a moving groove 203a provided on one side of the adjusting block 103c, auxiliary grooves 203b provided on the adjusting block 103c on both sides of the moving groove 203a, a limiting groove 203c provided on the other side of the adjusting block 103c, and a limiting block 203d movably connected to the limiting groove 203c, wherein the limiting block 203d can penetrate the limiting groove 203c and the limiting hole 202b on the telescopic tube 202a, so that the telescopic tube 202a can be fixed on the adjusting block 103c.

[0041] The movable groove 203a and the limiting groove 203c are formed in a cross structure and are perpendicular to each other, and the diameter of the movable groove 203a is larger than that of the limiting groove 203c.

[0042] Among them, the auxiliary groove 203b is used to allow the rope 201c on the wire releaser 201b to enter and move. The number of ropes 201c is arranged on both sides of the telescopic tube 202a, and the rope 201c and the telescopic tube 202a are fixedly connected at the same position on the same side, so that the rope 201c can assist the movement of the telescopic tube 202a and provide a certain stability.

[0043] During operation, a semicircular moving surface 201a is provided on the inner side of the first storage seat 101c and the second storage seat 101d to facilitate the moving operation. The wire releaser 201b is movably connected to the moving surface 201a and can be moved between the first storage seat 101c and the second storage seat 101d according to the detection depth. A retractable rope 201c is rotatably connected to the wire releaser 201b to assist in the lowering or recovery of the telescopic tube 202a to adjust the detection depth. A telescopic tube 202a is movably connected to the wire releaser 201b, and a plurality of limiting holes 202b are provided on the telescopic tube 202a, which are used to position the telescopic tube 202a according to the length to be detected. A moving groove 203a is provided on one side of the adjustment block 103c, auxiliary grooves 203b are provided on both sides, and a limiting groove 203c is provided on the other side. A limiting block 203d is movably connected to the limiting groove 203c. The moving groove 203a and the limiting groove 203c are cross-structured and perpendicular to each other, and the diameter of the moving groove 203a is larger than that of the limiting groove 203c. The auxiliary groove 203b is used to guide the rope 201c on the wire releaser 201b. The rope 201c is fixed on both sides of the telescopic tube 202a to assist the movement of the telescopic tube 202a and provide stability. The device can realize the precise movement and positioning of some equipment in the inner cavity 101b, which is convenient for subsequent detection work.

[0044] Example 3

[0045] Reference Figure 1 - Figure 4 , which is the first embodiment of the present invention, provides a wind turbine blade inner cavity inspection device, which includes an inspection component 300, including a lighting component 301 and a detection component 302, the lighting component 301 is arranged on the follower 202, and the detection component 302 is arranged on the lighting component 301.

[0046] Specifically, the lighting component 301 includes a lamp holder 301a fixedly connected to one side of the telescopic tube 202a, which is used to provide brightness for easy observation during inspection. A rope 201c and the telescopic tube 202a are fixedly connected to the upper side of the lamp holder 301a. The rope 201c is lowered under the wire releaser 201b to assist the telescopic tube 202a in carrying the lamp holder 301a to move in the inner cavity 101b, so that the moving position is always illuminated.

[0047] Furthermore, the detection component 302 includes a pan-tilt base 302a fixedly connected to the lamp holder 301a, and a camera 302b rotatably connected to the pan-tilt base 302a. The pan-tilt base 302a can be remotely connected to a program for controlling the rotation of the camera 302b. The device using the control program can realize the detection of the blade cavity 101b with the assistance of the lamp holder 301a.

[0048] During the operation, the blade to be inspected is adjusted to be vertically downward and the hub pin is locked, the blade manhole cover is opened, the first storage seat 101c and the second storage seat 101d are installed in the blade inner cavity 101b through the first embedded platform 102a and the second embedded platform 102b, the wire releaser 201b is fixed between the first storage seat 101c and the second storage seat 101d, the camera 302b is taken out and fixed on the pan-tilt base 302a, the auxiliary rope 201c is connected to the lamp holder 301a, the position of the adjustment block 103c is adjusted, and it is vertically aligned with the inner cavity 101b, and a section of the telescopic tube 202a is connected to the lamp holder 301 a is connected and fixed, and the telescopic tube 202a is fixed to the adjustment block 103c through the limiting block 203d, the position of the camera 302b is adjusted by the wire release 201b and the pan-tilt base 302a, and the inner cavity 101b of the blade in this area is checked, and the inspection is completed from the blade root to the blade tip in sequence. After the inspection is completed, the inner cavity 101b of the leading edge of the blade and the inner cavity 101b of the trailing edge of the blade are checked in the above manner, so as to achieve the purpose of fully checking all parts of the inner cavity 101b of the blade of the fan motor group, avoid the harm caused by personnel entering the inspection, and can also make the inspection more convenient to save time and manpower waste.

[0049] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, as well as parameter values, mounting arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, improvements, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0050] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0051] It should be understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but for those of ordinary skill having the benefit of this disclosure, without undue experimentation, the development effort will be a routine task of design, fabrication, and production.

[0052] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A wind turbine blade inner cavity inspection device, characterized in that: include, A placement component (100) comprises a receiving component (101), a seating component (102) and an adjusting component (103), wherein the seating component (102) is arranged on the receiving component (101), and the adjusting component (103) is arranged on the receiving component (101); An adjustment component (200) comprises a moving member (201), a following member (202) and a limiting member (203), wherein the moving member (201) is arranged on the accommodating member (101), the following member (202) is arranged on the moving member (201), and the limiting member (203) is arranged on the adjusting member (103); and The inspection component (300) comprises an illuminating component (301) and a detecting component (302), wherein the illuminating component (301) is arranged on the follower (202), and the detecting component (302) is arranged on the illuminating component (301).

2. The wind turbine blade inner cavity inspection device according to claim 1 is characterized in that: The accommodating member (101) comprises a blade body (101a), an inner cavity (101b) arranged in the blade body (101a), and a first storage seat (101c) and a second storage seat (101d) arranged on the inner cavity (101b); the first storage seat (101c) and the second storage seat (101d) are symmetrically arranged.

3. The wind turbine blade inner cavity inspection device according to claim 2 is characterized in that: The seating member (102) comprises a first embedded platform (102a) fixedly connected to the first storage seat (101c), a second embedded platform (102b) fixedly connected to the first embedded platform (102a), and the first embedded platform (102a) and the second embedded platform (102b) are also fixedly connected to the second storage seat (101d).

4. The wind turbine blade inner cavity inspection device according to claim 2 or 3, characterized in that: The adjusting member (103) comprises a first sliding groove (103a) opened on one side of the first storage seat (101c), a second sliding groove (103b) opened on one side of the second storage seat (101d), and an adjusting block (103c) movably connected between the first sliding groove (103a) and the second sliding groove (103b).

5. The wind turbine blade inner cavity inspection device according to claim 4 is characterized in that: The moving member (201) comprises a moving surface (201a) provided on the inner side surfaces of the first storage seat (101c) and the second storage seat (101d), a wire releaser (201b) movably connected to the moving surface (201a), and a rope (201c) rotatably connected to the wire releaser (201b) for contraction.

6. The wind turbine blade inner cavity inspection device according to claim 5, characterized in that: The follower (202) comprises a telescopic tube (202a) movably connected to the wire releaser (201b), and a limiting hole (202b) is provided on the telescopic tube (202a).

7. The wind turbine blade inner cavity inspection device according to claim 6, characterized in that: The limiting member (203) comprises a movable groove (203a) opened on one side of the adjusting block (103c), auxiliary grooves (203b) opened on both sides of the movable groove (203a) on the adjusting block (103c), a limiting groove (203c) opened on the other side of the adjusting block (103c), and a limiting block (203d) movably connected to the limiting groove (203c).

8. The wind turbine blade inner cavity inspection device according to claim 7, characterized in that: The movable groove (203a) and the limiting groove (203c) are arranged in a cross structure and are perpendicular to each other, and the diameter of the movable groove (203a) is larger than that of the limiting groove (203c).

9. The wind turbine blade inner cavity inspection device according to claim 8, characterized in that: The lighting component (301) comprises a lamp holder (301a) fixedly connected to one side of the telescopic tube (202a), and is used to provide brightness for easy observation during inspection.

10. The wind turbine blade inner cavity inspection device according to claim 9, characterized in that: The detection component (302) comprises a pan-tilt base (302a) fixedly connected to the lamp holder (301a), and a camera (302b) rotatably connected to the pan-tilt base (302a).

Images