CN212658662U

CN212658662U - Wind turbine generator system main shaft nondestructive test device convenient to operation

Info

Publication number: CN212658662U
Application number: CN202021115497.9U
Authority: CN
Inventors: 孙同金; 谷群远; 吴升德; 叶霖; 陈立云; 周鹏
Original assignee: Yancheng Quality And Technical Supervision Comprehensive Inspection And Testing Center
Current assignee: Yancheng Quality And Technical Supervision Comprehensive Inspection And Testing Center
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-03-05
Anticipated expiration: 2030-06-16

Abstract

The utility model relates to the technical field of shaft detection auxiliary devices, in particular to a wind turbine main shaft nondestructive detection device convenient to operate, which can automatically rotate a main shaft to be detected, and is convenient to operate; the ultrasonic nondestructive testing device comprises a bottom plate, four groups of stand columns, a transverse plate, four groups of first air cylinders, a workbench, two groups of front supports, two groups of rear supports, two groups of front guide rollers and two groups of rear guide rollers, wherein four groups of support legs are arranged at the bottom end of the bottom plate, a left-right translation mechanism is arranged at the bottom end of the transverse plate, and an ultrasonic nondestructive testing instrument is arranged at the bottom end of the left; the novel motor bottom plate is characterized by further comprising a second left air cylinder, a second right air cylinder, a left sliding block, a right sliding block, a left supporting plate, a right supporting plate, a left rotating shaft, a right rotating shaft and a motor, wherein a left sliding groove and a right sliding groove are respectively formed in the left half area and the right half area of the top end of the bottom plate, a left pressing plate is arranged at the right end of the left rotating shaft, and a right pressing plate is arranged at the left end of the right rotating.

Description

Wind turbine generator system main shaft nondestructive test device convenient to operation

Technical Field

The utility model relates to an axle type detects technical field of auxiliary device, especially relates to a wind turbine generator system main shaft nondestructive test device convenient to operation.

Background

As is well known, a wind turbine generator spindle nondestructive testing device is an auxiliary device for testing whether a spindle surface on a wind turbine generator is damaged or not by using an ultrasonic nondestructive testing instrument, and is widely used in the field of shaft detection; the existing wind turbine generator main shaft nondestructive detection device comprises a bottom plate, four groups of stand columns, a transverse plate, four groups of first cylinders, a workbench, two groups of front supports, two groups of rear supports, two groups of front guide rollers and two groups of rear guide rollers, wherein four groups of support legs are arranged at the bottom end of the bottom plate, the top ends of the four groups of stand columns are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the transverse plate, four groups of stand column bottom ends are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the top end of the bottom plate, a left and right translation mechanism is arranged at the bottom end of the transverse plate, an ultrasonic nondestructive detector is arranged at the bottom end of the left and right translation mechanism, the detection ends of the ultrasonic nondestructive detector are positioned at the bottom ends, the bottom ends of the four groups of first cylinders are respectively connected with the, The front right side, the rear left side and the rear right side are connected, the bottoms of the two groups of front brackets are respectively connected with the front left side and the front right side of the top end of the workbench, the two groups of front guide rollers are respectively rotatably arranged at the tops of the two groups of front brackets, the bottoms of the two groups of rear brackets are respectively connected with the rear left side and the rear right side of the top end of the workbench, and the two groups of right guide rollers are respectively rotatably arranged at the tops of the two groups of rear brackets; when the existing wind turbine generator system spindle nondestructive testing device is used, a worker places a spindle to be tested above a workbench, the spindle can be supported by the two groups of front guide rollers and the two groups of rear guide rollers, the spindle to be tested can freely rotate under the action of the two groups of front guide rollers and the two groups of rear guide rollers, the ultrasonic nondestructive testing device is electrically connected with mains supply, whether the surface of the spindle to be tested is damaged or not is tested by a detection end at the bottom of the ultrasonic nondestructive testing device, the worker can manually and slowly rotate the spindle to be tested, the ultrasonic testing device body can be driven to move left and right through the left and right translation mechanism, and comprehensive nondestructive testing on the spindle to be tested can be realized; the existing wind turbine generator system spindle nondestructive testing device finds that a worker manually rotates a spindle to be tested, so that the operation is inconvenient, and the use convenience is poor.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a can treat the main shaft that detects automatically and rotate, the wind turbine generator system main shaft nondestructive test device of the operation of being convenient for of convenience improves.

The utility model discloses a wind turbine generator system main shaft nondestructive test device convenient to operation, comprising a base plate, four group's stands, the diaphragm, four group's first cylinders, the workstation, two sets of fore-stock, two sets of after-poppet, two sets of preceding deflector roll and two sets of after-poppet, the bottom plate bottom is provided with four group's landing legs, four group's stand tops are connected with diaphragm bottom left front side, right front side, left rear side and right rear side respectively, four group's stand bottoms are connected with bottom plate top left front side, right front side, left rear side and right rear side respectively, the diaphragm bottom is provided with left right translation mechanism, left right translation mechanism bottom is provided with ultrasonic nondestructive detector, ultrasonic nondestructive detector detection end is located the bottom, four group's first cylinder bottoms are connected with bottom left front side, right front side, left rear side and right rear side respectively, four group's first cylinder top output is provided with four group's first telescopic links, four group's first telescopic link tops respectively with, The front right side, the rear left side and the rear right side are connected, the bottoms of the two groups of front brackets are respectively connected with the front left side and the front right side of the top end of the workbench, the two groups of front guide rollers are respectively rotatably arranged at the tops of the two groups of front brackets, the bottoms of the two groups of rear brackets are respectively connected with the rear left side and the rear right side of the top end of the workbench, and the two groups of right guide rollers are respectively rotatably arranged at the tops of the two groups of rear brackets; the left half area and the right half area of the top end of the bottom plate are respectively provided with a left sliding groove and a right sliding groove, the bottom ends of the left sliding block and the right sliding block are respectively fixed in the left sliding groove and the right sliding groove in a sliding manner, the bottom ends of the second left air cylinder and the second right air cylinder are respectively connected with the left half area and the right half area of the top end of the bottom plate, the right output end of the second left air cylinder and the left output end of the second right air cylinder are respectively provided with a second left telescopic rod and a second right telescopic rod, the right end of the second left telescopic rod and the left end of the second right telescopic rod are respectively connected with the left end of the left sliding block and the right end of the right sliding block, the bottom ends of the left supporting plate and the right supporting plate are respectively connected with the central areas of the top ends of the left sliding block and the right sliding block, the upper half areas of the left side wall of the left supporting plate and the right supporting plate are respectively provided with a left rotating hole, the left rotating shaft right-hand member passes the left rotating hole and is provided with left ball bearing between the downthehole lateral wall of left rotating, and left rotating shaft right-hand member is provided with left clamp plate, right rotating shaft left end pass the right rotating hole and with right rotating hole inside wall between be provided with right ball bearing, right rotating shaft left end is provided with right clamp plate, the motor is installed at right backup pad right-hand member, right rotating shaft right-hand member is connected with motor left part output.

The utility model discloses a wind turbine generator system main shaft nondestructive test device convenient to operation still includes left gag lever post and right gag lever post, left side gag lever post and right gag lever post are transversely installed respectively at left sliding tray and right sliding tray, and left slider and right slider slidable cover are established respectively on left slider and right slider.

The utility model discloses a wind turbine generator system main shaft nondestructive test device convenient to operation still includes left stopper and right stopper, left side stopper and right stopper top respectively with diaphragm bottom left side half regional and right half regional connection.

The utility model discloses a wind turbine generator system main shaft nondestructive test device convenient to operation still includes the steadying plate, the steadying plate transversely installs between the first cylinder of four groups.

The utility model discloses a wind turbine generator system main shaft nondestructive test device convenient to operation, two sets of preceding deflector roll lateral walls all are provided with preceding rubber pad, and two sets of back deflector roll lateral walls all are provided with back rubber pad.

The utility model discloses a wind turbine generator system main shaft nondestructive test device convenient to operation, left clamp plate right side wall and right clamp plate left side wall are provided with left slipmat and right slipmat respectively.

The utility model discloses a wind turbine generator system main shaft nondestructive test device convenient to operation still includes the mounting panel, regional connection above mounting panel left end and right branch fagging right side wall, the motor is installed on the mounting panel top.

The utility model discloses a wind turbine generator system main shaft nondestructive test device convenient to operation, four group's landing leg bottoms all are provided with the gyro wheel.

Compared with the prior art, the beneficial effects of the utility model are that: the main shaft to be detected is placed above the workbench by a worker, the main shaft to be detected is positioned between the left pressing plate and the right pressing plate, the left supporting plate and the right supporting plate are controlled to move relatively by the second left air cylinder and the second right air cylinder, the main shaft to be detected is pressed by the left pressing plate and the right pressing plate, the left rotating shaft and the right rotating shaft can rotate, the workbench is controlled to move upwards by the four groups of first air cylinders, the main shaft can be supported by the two groups of front guide rollers and the two groups of rear guide rollers, the ultrasonic nondestructive detector is electrically connected with a mains supply, whether the surface of the main shaft to be detected is damaged or not is detected by the detection end at the bottom of the ultrasonic nondestructive detector, the motor is electrified, the rotating speed of the motor is slow, the motor drives the main shaft to be detected to rotate slowly by the left rotating shaft and the right rotating shaft, the ultrasonic detector body, the main shaft that can treat the measuring automatically rotates, and the simple operation improves the convenience in use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic left side view of a part of the structure of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is an enlarged view of a portion B of FIG. 1;

in the drawings, the reference numbers: 1. a base plate; 2. a column; 3. a transverse plate; 4. a first cylinder; 5. a work table; 6. a front bracket; 7. a rear bracket; 8. a front guide roller; 9. a rear guide roller; 10. a support leg; 11. a left-right translation mechanism; 12. an ultrasonic nondestructive detector; 13. a first telescopic rod; 14. a second left cylinder; 15. a second right cylinder; 16. a left slider; 17. a right slider; 18. a left support plate; 19. a right support plate; 20. a left rotating shaft; 21. a right rotating shaft; 22. a motor; 23. a second left telescoping rod; 24. a second right telescoping rod; 25. a left press plate; 26. a right pressure plate; 27. a left stop lever; 28. a right stop lever; 29. a left stop block; 30. a right stopper; 31. a stabilizing plate; 32. a front rubber pad; 33. a rear rubber pad; 34. a left non-slip mat; 35. a right anti-skid pad; 36. mounting a plate; 37. and a roller.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in FIGS. 1 to 4, the utility model relates to a convenient-to-operate wind turbine main shaft nondestructive testing device, which comprises a bottom plate 1, four groups of upright posts 2, a transverse plate 3, four groups of first cylinders 4, a workbench 5, two groups of front brackets 6, two groups of rear brackets 7, two groups of front guide rollers 8 and two groups of rear guide rollers 9, wherein four groups of supporting legs 10 are arranged at the bottom end of the bottom plate 1, the top ends of the four groups of upright posts 2 are respectively connected with the left front side, the right front side, the left rear side and the right rear side at the bottom end of the transverse plate 3, the bottom ends of the four groups of upright posts 2 are respectively connected with the left front side, the right front side, the left rear side and the right rear side at the top end of the bottom plate 1, a left and right translation mechanism 11 is arranged at the bottom end of the transverse plate 3, an ultrasonic nondestructive testing instrument 12 is arranged at the bottom end, the bottom end of the ultrasonic nondestructive, four groups of first telescopic rods 13 are arranged at the output ends of the tops of the four groups of first air cylinders 4, the top ends of the four groups of first telescopic rods 13 are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the workbench 5, the bottom ends of the two groups of front supports 6 are respectively connected with the left front side and the right front side of the top end of the workbench 5, the two groups of front guide rollers 8 are respectively rotatably arranged at the top ends of the two groups of front supports 6, the bottom ends of the two groups of rear supports 7 are respectively connected with the left rear side and the right rear side of the top end of the workbench; the device also comprises a second left air cylinder 14, a second right air cylinder 15, a left slide block 16, a right slide block 17, a left support plate 18, a right support plate 19, a left rotating shaft 20, a right rotating shaft 21 and a motor 22, wherein a left half area and a right half area on the top end of the bottom plate 1 are respectively provided with a left slide groove and a right slide groove, the bottom ends of the left slide block 16 and the right slide block 17 are respectively fixed in the left slide groove and the right slide groove in a sliding manner, the bottom ends of the second left air cylinder 14 and the second right air cylinder 15 are respectively connected with the left half area and the right half area on the top end of the bottom plate 1, the right output end of the second left air cylinder 14 and the left output end of the second right air cylinder 15 are respectively provided with a second left telescopic rod 23 and a second right telescopic rod 24, the right end of the second left telescopic rod 23 and the left end of the second right telescopic rod 24 are respectively connected with the left end and the right slide block 17 of the, the upper half areas of the left side walls of the left support plate 18 and the right support plate 19 are respectively and transversely provided with a left rotating hole and a right rotating hole, the right end of the left rotating shaft 20 penetrates through the left rotating hole and is provided with a left ball bearing between the left rotating hole and the inner side wall of the left rotating hole, the right end of the left rotating shaft 20 is provided with a left pressing plate 25, the left end of the right rotating shaft 21 penetrates through the right rotating hole and is provided with a right ball bearing between the right rotating shaft and the inner side wall of the right rotating hole, the left end of the right rotating shaft 21 is provided with a right pressing plate 26, the motor 22 is arranged at the; the main shaft to be detected is placed above the workbench by a worker, the main shaft to be detected is positioned between the left pressing plate and the right pressing plate, the left supporting plate and the right supporting plate are controlled to move relatively by the second left air cylinder and the second right air cylinder, the main shaft to be detected is pressed by the left pressing plate and the right pressing plate, the left rotating shaft and the right rotating shaft can rotate, the workbench is controlled to move upwards by the four groups of first air cylinders, the main shaft can be supported by the two groups of front guide rollers and the two groups of rear guide rollers, the ultrasonic nondestructive detector is electrically connected with a mains supply, whether the surface of the main shaft to be detected is damaged or not is detected by the detection end at the bottom of the ultrasonic nondestructive detector, the motor is electrified, the rotating speed of the motor is slow, the motor drives the main shaft to be detected to rotate slowly by the left rotating shaft and the right rotating shaft, the ultrasonic detector body, the main shaft that can treat the measuring automatically rotates, and the simple operation improves the convenience in use.

The utility model discloses a convenient-to-operate wind turbine generator system spindle nondestructive test device, still include left gag lever post 27 and right gag lever post 28, left gag lever post 27 and right gag lever post 28 are transversely installed respectively in left sliding tray and right sliding tray, and left slider 16 and right slider 17 are the slidable cover respectively and are established on left slider 16 and right slider 17; the left limiting rod and the right limiting rod can limit the left sliding block and the right sliding block respectively, and the use safety is improved.

The utility model discloses a convenient-to-operate wind turbine generator main shaft nondestructive testing device, still include left stopper 29 and right stopper 30, left stopper 29 and right stopper 30 top respectively with diaphragm 3 bottom left half regional and right half regional connection; the left limiting block and the right limiting block can limit the left and right translation mechanisms, and the use safety is improved.

The utility model discloses a convenient-to-operate wind turbine main shaft nondestructive testing device, which also comprises a stabilizing plate 31, wherein the stabilizing plate 31 is transversely arranged between four groups of first cylinders 4; the stabilizing plate can support the four groups of first cylinders, so that the use stability is improved.

The utility model discloses a convenient-to-operate wind turbine generator system main shaft nondestructive test device, the lateral walls of two groups of front guide rollers 8 are provided with front rubber pads 32, and the lateral walls of two groups of rear guide rollers 9 are provided with rear rubber pads 33; the front rubber pad and the rear rubber pad can protect the main shaft to be detected, and use reliability is improved.

The utility model discloses a convenient-to-operate wind turbine main shaft nondestructive testing device, the right side wall of a left pressing plate 25 and the left side wall of a right pressing plate 26 are respectively provided with a left non-slip mat 34 and a right non-slip mat 35; the left non-slip mat and the right non-slip mat can enhance the fixing effect of the spindle to be detected, and the use reliability is improved.

The utility model discloses a convenient-to-operate wind turbine main shaft nondestructive testing device, which also comprises a mounting plate 36, wherein the left end of the mounting plate 36 is connected with the upper half area of the right side wall of a right supporting plate 19, and a motor 22 is arranged at the top end of the mounting plate 36; the mounting panel can support the motor, improves stability in use.

In the nondestructive testing device for the main shaft of the wind turbine generator convenient to operate, the bottom ends of the four groups of supporting legs 10 are provided with the rollers 37; the gyro wheel can be convenient for the staff and remove the device, improves and uses the flexibility.

The utility model discloses a convenient wind turbine main shaft nondestructive test device of operation, it is at the during operation, the staff will wait to detect the main shaft to place above the workstation, make the main shaft of waiting to detect lie in between left clamp plate and the right clamp plate, do relative motion through left support plate of second left cylinder and right cylinder control and right support plate, compress tightly the main shaft of waiting to detect through left clamp plate and right clamp plate, and left pivot and right pivot are rotatable, control the workstation to move upwards through four groups of first cylinders, two groups of front deflector rolls and two groups of back deflector rolls can support the main shaft, the ultrasonic nondestructive test appearance is connected with the commercial power electricity, detect through ultrasonic nondestructive test appearance bottom detection end and the main shaft surface damage of waiting to detect, the motor circular telegram, the motor speed is slower, the motor drives the main shaft of waiting to detect slowly through left pivot and right pivot, the left and right translation mechanism can drive the ultrasonic detector body to move left and right, so that comprehensive nondestructive detection can be performed on the main shaft to be detected, the main shaft to be detected can be automatically rotated, the operation is convenient and fast, and the use convenience is improved; the left limiting rod and the right limiting rod can limit the left sliding block and the right sliding block respectively, so that the use safety is improved; the left limiting block and the right limiting block can limit the left and right translation mechanisms, so that the use safety is improved; the stabilizing plates can support the four groups of first cylinders, so that the use stability is improved; the front rubber pad and the rear rubber pad can protect the spindle to be detected, so that the use reliability is improved; the left anti-skid pad and the right anti-skid pad can enhance the fixing effect of the spindle to be detected and improve the use reliability; the mounting plate can support the motor, so that the use stability is improved; the gyro wheel can be convenient for the staff and remove the device, improves and uses the flexibility.

The utility model discloses a wind turbine generator system main shaft nondestructive test device used four groups of first cylinder, second left cylinder, second right cylinder and motor all purchase from the market convenient to operation, only need according to the description install use can.

The utility model discloses a wind turbine generator system main shaft nondestructive test device convenient to operation, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system to concrete structure, model and the coefficient index of all its parts are its from taking the technique, as long as can reach all can implement of its beneficial effect, so do not add at many and give unnecessary details.

The present invention relates to a wind turbine main shaft nondestructive testing device convenient for operation, and unless otherwise stated, the terms "upper, lower, left, right, front, back, inside, outside, and vertical and horizontal" and the like included in the terms only represent the orientation of the term in the normal use state, or are common names understood by those skilled in the art, and should not be considered as limiting the term, and meanwhile, the terms "first", "second", and "third" and the like do not represent specific quantities and sequences, but are used only for name differentiation, and the terms "include", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes such a process, method, article, or apparatus including such other elements, An article or an apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A wind turbine generator main shaft nondestructive testing device convenient to operate comprises a bottom plate (1), four groups of stand columns (2), a transverse plate (3), four groups of first cylinders (4), a workbench (5), two groups of front supports (6), two groups of rear supports (7), two groups of front guide rollers (8) and two groups of rear guide rollers (9), wherein four groups of supporting legs (10) are arranged at the bottom end of the bottom plate (1), the top ends of the four groups of stand columns (2) are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the transverse plate (3), the bottom ends of the four groups of stand columns (2) are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the top end of the bottom plate (1), a left and right translation mechanism (11) is arranged at the bottom end of the left and right translation mechanism (11), the detection end of an ultrasonic nondestructive detector (12) is positioned at the bottom end, and the, The front right side, the rear left side and the rear right side are connected, four groups of first telescopic rods (13) are arranged at the output ends of the tops of four groups of first cylinders (4), the top ends of the four groups of first telescopic rods (13) are respectively connected with the left front side, the right front side, the rear left side and the rear right side of the bottom end of a workbench (5), the bottom ends of two groups of front supports (6) are respectively connected with the left front side and the right front side of the top end of the workbench (5), two groups of front guide rollers (8) are respectively rotatably mounted at the top ends of two groups of front supports (6), the bottom ends of two groups of rear supports (7) are respectively connected with the left rear side and the right rear side of the top end of the workbench (5), and two groups of right guide; it is characterized by also comprising a second left air cylinder (14), a second right air cylinder (15), a left slide block (16), a right slide block (17), a left support plate (18), a right support plate (19), a left rotating shaft (20), a right rotating shaft (21) and a motor (22), wherein a left half area and a right half area on the top end of the bottom plate (1) are respectively provided with a left sliding groove and a right sliding groove, the bottom ends of the left slide block (16) and the right slide block (17) are respectively fixed in the left sliding groove and the right sliding groove in a sliding manner, the bottom ends of the second left air cylinder (14) and the second right air cylinder (15) are respectively connected with the left half area and the right half area on the top end of the bottom plate (1), the right output end of the second left air cylinder (14) and the left output end of the second right air cylinder (15) are respectively provided with a second left telescopic rod (23) and a second right telescopic rod (24), the right end of the second left telescopic rod (23) and the left telescopic rod (24) are respectively connected with the left end and, left branch fagging (18) and right branch fagging (19) bottom are connected with left slider (16) and right slider (17) top central zone respectively, and left branch fagging (18) and right branch fagging (19) left side wall first region transversely are provided with the left rotation hole respectively and rotate the hole with the right side, left pivot (20) right-hand member pass the left rotation hole and with the left rotation downthehole wall between be provided with left ball bearing, left pivot (20) right-hand member is provided with left clamp plate (25), right pivot (21) left end pass the right rotation hole and with the right rotation be provided with right ball bearing between the downthehole inside wall, right pivot (21) left end is provided with right clamp plate (26), motor (22) installation is at right branch fagging (19) right-hand member, and right pivot (21) right-hand member is connected with motor (22) left.

2. The easy-to-operate wind turbine main shaft nondestructive testing device of claim 1, characterized by further comprising a left limiting rod (27) and a right limiting rod (28), wherein the left limiting rod (27) and the right limiting rod (28) are respectively transversely installed in the left sliding groove and the right sliding groove, and the left slider (16) and the right slider (17) are respectively slidably sleeved on the left slider (16) and the right slider (17).

3. The easy-to-operate wind turbine main shaft nondestructive testing device of claim 2, characterized by further comprising a left limiting block (29) and a right limiting block (30), wherein the top ends of the left limiting block (29) and the right limiting block (30) are respectively connected with the left half area and the right half area of the bottom end of the transverse plate (3).

4. An easy-to-operate wind turbine main shaft nondestructive testing device according to claim 3, characterized by further comprising a stabilizing plate (31), wherein the stabilizing plate (31) is transversely installed between the four sets of first cylinders (4).

5. The easy-to-operate wind turbine main shaft nondestructive testing device according to claim 4, characterized in that the outer side walls of the two groups of front guide rollers (8) are provided with front rubber pads (32), and the outer side walls of the two groups of rear guide rollers (9) are provided with rear rubber pads (33).

6. The easy-to-operate wind turbine main shaft nondestructive testing device is characterized in that the right side wall of the left pressing plate (25) and the left side wall of the right pressing plate (26) are respectively provided with a left non-slip mat (34) and a right non-slip mat (35).

7. The easy-to-operate wind turbine main shaft nondestructive testing device is characterized in that the device further comprises a mounting plate (36), the left end of the mounting plate (36) is connected with the upper half area of the right side wall of the right support plate (19), and the motor (22) is mounted at the top end of the mounting plate (36).

8. An easy-to-operate wind turbine main shaft nondestructive testing device according to claim 7, characterized in that the bottom ends of the four groups of supporting legs (10) are provided with rollers (37).