Grinding device with positioning mechanism for maintenance of wind power blade

Abstract

The utility model discloses a wind power blade maintenance polishing device with a positioning mechanism, relates to the technical field of wind power equipment maintenance, aims to solve the technical problem that the high-altitude operation effect of a current pneumatic polishing machine is poor, and comprises a mounting structure and the pneumatic polishing machine. The installation structure, the adjusting support, the installation rod, the rectangular sleeve, the rectangular frame, the adjusting screw rod, the suction cup and the installation frame are combined to form a positioning structure, when a person maintains and polishes the wind power blade at high altitude, the height of the suction cup can be adjusted through the adjusting screw rod, and then the suction cup is sucked to the wind power blade through the suction cup; the positioning structure is fixed to the wind power blade, then a worker directly installs the pneumatic grinding machine into the installation structure, the installation rod can move left and right in the rectangular sleeve, the rectangular sleeve can move front and back in the rectangular frame, and under the cooperation of the adjusting support, the worker can conveniently control the height and angle of the pneumatic grinding machine.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power equipment maintenance technical field more specifically, relate to a kind of polishing device with positioning mechanism for wind power blade maintenance. BACKGROUND

[0002] With the rapid development of wind power industry, wind power blade as the key component of wind driven generator, its operating condition directly affects power generation efficiency and equipment safety, in the long-term operation process, wind power blade inevitably will appear surface wear, crack and other problems, need to be repaired in time, in the process of repairing wind power blade, polishing is an indispensable procedure, at this time need to use polishing device, namely pneumatic sander.

[0003] The existing pneumatic sander is usually held by personnel, when personnel directly polish wind power blade in high altitude (specific working environment is shown in the website: https: / / v.douyin.com / ZjcCpW5aP48), the stability is relatively poor, when personnel hold pneumatic sander and contact with wind power blade, the pneumatic sander is easy to deviate due to reaction force, thereby greatly affecting the polishing effect and efficiency of personnel in high altitude on wind power blade, in view of this, we provide a kind of polishing device with positioning mechanism for wind power blade maintenance. UTILITARIAN CONTENT

[0004] The utility model aims at overcoming the insufficient of prior art, adapting to reality needs, provide a kind of polishing device with positioning mechanism for wind power blade maintenance, to solve the technical problem of current pneumatic sander high-altitude operation effect.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a kind of polishing device with positioning mechanism for wind power blade maintenance, including installation structure and pneumatic sander, the pneumatic sander is arranged on installation structure, the installation structure both sides are arranged with adjusting support, the adjusting support is arranged with mounting rod on the side away from pneumatic sander, the mounting rod is slidably arranged with rectangular sleeve, the rectangular sleeve is arranged with rectangular frame, the rectangular frame is vertically arranged with mounting rod, the rectangular sleeve is slidably arranged in rectangular frame, the rectangular frame both ends are arranged with adjusting screw, the adjusting screw bottom end is rotatably arranged with mounting bracket, the mounting bracket is symmetrically arranged with two groups of suction cups on it;

[0006] The mounting bracket includes main rod, connecting rod and telescopic rod, the main rod, connecting rod and telescopic rod are combined and arranged in triangular shape, the main rod is rotatably arranged at the bottom end of adjusting screw, the connecting rod is rotatably arranged at the bottom of both sides of main rod, the suction cup is arranged on the connecting rod, the telescopic rod is rotatably arranged at the top of both sides of main rod, and the telescopic rod is rotatably connected with the corresponding connecting rod.

[0007] The utility model discloses an installation structure, adjusting support, mounting pole, rectangular sleeve, rectangular frame, adjusting screw rod, sucking disc and mounting frame are designed, the above-mentioned combination forms the positioning structure, when personnel are in high altitude to the wind power blade and carry out maintenance polishing, first can through adjusting screw rod to the sucking disc height of adjusting, then through the sucking disc adsorption to the wind power blade, thereby with the positioning structure fixed on the wind power blade, then personnel directly installs pneumatic sander to the installation structure, because the mounting pole can be left and right displacement in the rectangular sleeve, the rectangular sleeve can be displacement in the rectangular frame before and after, and under the cooperation of adjusting support, the height and angle of pneumatic sander are conveniently controlled by personnel, therefore, can make pneumatic sander stably carry out horizontal or before and after movement, thereby play the effect of the positioning polishing of pneumatic sander, avoid the emergence of pneumatic sander and run off the situation occurs, guarantee personnel in high altitude to the wind power blade maintenance polishing processing's effect and efficiency, the mounting frame of the utility model is composed through main rod, connecting rod and telescopic link, and main rod, connecting rod and telescopic link are arranged in triangular shape, then the sucking disc is arranged on the both ends of connecting rod symmetry, therefore, when the sucking disc is adsorbed and fixed with the wind power blade, personnel can be according to the camber change of wind power blade, and the connecting rod is rotated and fixed, thereby making the sucking disc on two sets of connecting rods can be according to the camber change of wind power blade, and the sucking disc is adsorbed on the wind power blade, guarantee the stability of the positioning structure fixed on the wind power blade, thereby further guarantee the stability of the positioning polishing of pneumatic sander.

[0008] Preferably, the installation structure comprises a U-shaped frame, the U-shaped frame is movably provided with an installation plate, the installation plate is centrally provided with a top fixing screw rod, and one end of the top fixing screw rod is rotatably provided with a top fixing arc plate.

[0009] Preferably, a limiting groove is formed in the inner wall of the U-shaped frame, and protrusions are arranged on the two sides of the top fixing arc plate and located in the limiting groove.

[0010] Preferably, the U-shaped frame is symmetrically provided with a fixing screw rod at the opening, a through hole corresponding to the fixing screw rod is formed in the installation plate, and one end of the fixing screw rod penetrating through the through hole is provided with an ear nut.

[0011] Preferably, the adjusting support comprises a concave frame, the concave frame is connected with the mounting pole, a rectangular rod is arranged in the concave frame, a connecting end block is sleeved on the rectangular rod, and one end of the connecting end block is rotatably connected with the U-shaped frame.

[0012] Preferably, balls are movably arranged at the top and bottom of the rectangular sleeve, balls are movably arranged in the inner bottom and inner top of the rectangular sleeve, rolling grooves are formed in the inner bottom and inner top of the rectangular frame, and rolling grooves are formed in the top and bottom of the mounting pole, wherein the balls on the outer part of the rectangular sleeve are located in the rolling grooves on the rectangular frame, and the balls in the inner part of the rectangular sleeve are located in the rolling grooves on the mounting pole.

[0013] Preferably, the telescopic rod comprises a sleeve, an insertion rod and a fixing bolt, the insertion rod is inserted into the sleeve, the fixing bolt is arranged at one end of the sleeve facing the insertion rod, one end of the sleeve away from the insertion rod is rotationally connected with the main rod, and one end of the insertion rod away from the sleeve is rotationally connected with the connecting rod.

[0014] Preferably, a universal adjusting structure is arranged between the connecting rod and the suction disc, the universal adjusting structure comprises an open circular sleeve, a rotating ball and a connecting end, the open circular sleeve is arranged on the connecting rod, the rotating ball is movably arranged in the open circular sleeve, and the rotating ball is connected with the suction disc through the connecting end.

[0015] Preferably, the mounting rods and the rectangular sleeves are horizontally arranged, the rectangular frames are obliquely arranged, and the two groups of rectangular frames are combined in a V-shaped distribution, and the small opening spacing of the two groups of rectangular frames is the same as the spacing of the two groups of mounting rods.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1、The utility model discloses a mounting structure, adjusting support, mounting rod, rectangular sleeve, rectangular frame, adjusting screw rod, suction disc and mounting frame are combined to form a positioning structure, when personnel maintain and polish the wind power blade in the high altitude, first can adjust the height of the suction disc through the adjusting screw rod, then through the suction disc adsorption to the wind power blade, thereby fixing the positioning structure on the wind power blade, then personnel directly install the pneumatic sander to the mounting structure, because the mounting rod can displace in the rectangular sleeve, the rectangular sleeve can displace in the rectangular frame, and under the cooperation of the adjusting support, the height and angle of the pneumatic sander are convenient for personnel to control, therefore, can make the pneumatic sander move horizontally or forward and backward stably, thereby play the effect of positioning and polishing the pneumatic sander, avoid the situation that the pneumatic sander deviates, guarantee the effect and efficiency of maintaining and polishing the wind power blade in the high altitude, solve the technical problem that the effect of the pneumatic sander is not good in the high altitude operation, therefore, the utility model discloses have the advantages of positioning and polishing the pneumatic sander.

[0018] 2、The mounting frame of the utility model is composed of the main rod, the connecting rod and the telescopic rod, and the main rod, the connecting rod and the telescopic rod are arranged in a triangular shape, and the suction discs are symmetrically arranged at the two ends of the connecting rod, therefore, when the suction discs are adsorbed and fixed to the wind power blade, personnel can rotate and fix the connecting rod according to the curvature change of the wind power blade, so that the suction discs on the two connecting rods can be adsorbed on the wind power blade according to the curvature change of the wind power blade, and the stability of the positioning structure fixed on the wind power blade is guaranteed, thereby further guaranteeing the stability of positioning and polishing the pneumatic sander.

[0019] 3. The utility model discloses a universal adjusting structure is arranged between connecting rod and sucking disc, and under the cooperation of open round cover, rotating ball and connecting end, sucking disc can further carry out adaptive rotation adjustment according to circumstances, makes it can better and wind power blade coincide and attach, further guarantees the stability that sucking disc and wind power blade suck solid, thereby improves the stability of the positioning polishing of pneumatic polisher again.

[0020] 4. The utility model discloses rectangular frame is inclined arrangement, two groups of rectangular frame combination is V type, therefore, two groups of rectangular frame of V type arrangement big opening interval is relatively big, the installation of two group mounting rods is convenient, and, two groups of rectangular frame of V type arrangement small opening interval and two group mounting rod interval are same, the small opening installation of two groups of rectangular frame of V type arrangement is outward, when the pneumatic polisher is pushed forward, can effectively avoid the situation that the mounting rod falls off occurs, further guarantee the safety of the positioning polishing of pneumatic polisher. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is whole structure schematic diagram of the utility model;

[0022] Figure 2 It is mounting structure schematic diagram of the utility model;

[0023] Figure 3 It is adjusting support structure schematic diagram of the utility model;

[0024] Figure 4 It is rectangular sleeve structure schematic diagram of the utility model;

[0025] Figure 5 It is mounting frame structure schematic diagram of the utility model.

[0026] Mark explanation in drawing:

[0027] 1, mounting structure, 101, U type frame, 102, mounting plate, 103, top fixed screw rod, 104, top fixed arc plate, 105, fixed screw rod, 106, ear nut, 107, through -hole, 108, lug, 109, limit slot, 2, pneumatic polisher, 3, adjusting support, 301, concave frame, 302, rectangular rod, 303, connecting end block, 4, mounting rod, 5, rectangular sleeve, 6, rectangular frame, 7, adjusting screw rod, 8, sucking disc, 9, mounting frame, 10, main rod, 11, connecting rod, 12, telescopic rod, 1201, sleeve pipe, 1202, plug rod, 1203, fixed bolt, 13, universal adjusting structure, 1301, open round cover, 1302, rotating ball, 1303, connecting end, 14, ball, 15, roll groove. DETAILED DESCRIPTION

[0028] As Figures 1 to 5The utility model relates to a kind of polishing device for wind power blade maintenance with positioning mechanism, including installation structure 1 and pneumatic sander 2, pneumatic sander 2 is arranged on installation structure 1, and adjusting support 3 is arranged on the both sides of installation structure 1, adjusting support 3 is arranged with mounting rod 4 on the side of back to pneumatic sander 2, rectangular sleeve 5 is slidably arranged on mounting rod 4, rectangular sleeve 5 is arranged with rectangular frame 6, rectangular frame 6 is vertically arranged with mounting rod 4, rectangular sleeve 5 is slidably arranged in rectangular frame 6, adjusting screw 7 is arranged at the both ends of rectangular frame 6, mounting rack 9 is rotatably arranged at the bottom end of adjusting screw 7, and two groups of suction cups 8 are symmetrically arranged on mounting rack 9;

[0029] Installation structure 1, adjusting support 3, mounting rod 4, rectangular sleeve 5, rectangular frame 6, adjusting screw 7, suction cup 8 and mounting rack 9 combination form positioning structure, when personnel is in high altitude to wind power blade and carries out maintenance polishing, first can be adjusted to the height of suction cup 8 by adjusting screw 7, then is adsorbed to wind power blade by suction cup 8, to fix positioning structure on wind power blade, then personnel directly installs pneumatic sander 2 into installation structure 1, because mounting rod 4 can be left and right displacement in rectangular sleeve 5, rectangular sleeve 5 can be front and back displacement in rectangular frame 6, and under the cooperation of adjusting support 3, the height and angle of pneumatic sander 2 are conveniently controlled by personnel, so, pneumatic sander 2 can be stably moved horizontally or forward and backward and polished, to play the effect of positioning and polishing of pneumatic sander 2, avoid the occurrence of the deviation of pneumatic sander 2, guarantee the effect and efficiency of personnel in high altitude to wind power blade and carry out maintenance polishing.

[0030] Specifically, installation structure 1 includes U-shaped frame 101, and installation plate 102 is movably arranged in the opening of U-shaped frame 101; top fixing screw 103 is arranged in the center of installation plate 102; and top fixing arc plate 104 is rotatably arranged at one end of top fixing screw 103.

[0031] Further, the adjusting support 3 comprises a concave frame 301 connected with the mounting rod 4, a rectangular rod 302 is arranged inside the concave frame 301, a connecting end block 303 is sleeved on the rectangular rod 302, and one end of the connecting end block 303 is rotationally connected with the U-shaped frame 101; the U-shaped frame 101 can rotate between the two groups of connecting end blocks 303, so that the pneumatic sander 2 on the mounting structure 1 can be rotated, the personnel can conveniently adjust the polishing angle of the pneumatic sander 2 at any time, and the connecting end block 303 can slide up and down on the rectangular rod 302, so that the personnel can conveniently adjust the height of the pneumatic sander 2 on the mounting structure 1 at any time.

[0032] Further, the rectangular sleeve 5 is movably provided with a plurality of rolling balls 14 at the top and the bottom, the rectangular sleeve 5 is movably provided with a plurality of rolling balls 14 at the inner top and the inner bottom, the inner top and the inner bottom of the rectangular frame 6 are provided with rolling grooves 15, the top and the bottom of the mounting rod 4 are provided with rolling grooves 15, the rolling balls 14 outside the rectangular sleeve 5 are arranged in an inclined manner, the rolling balls 14 outside the rectangular sleeve 5 are located in the rolling grooves 15 on the rectangular frame 6, the rolling balls 14 inside the rectangular sleeve 5 are arranged in a horizontal manner, and the rolling balls 14 inside the rectangular sleeve 5 are located in the rolling grooves 15 on the mounting rod 4; under the cooperation of the rolling balls 14 and the rolling grooves 15, the mounting rod 4 can be slid leftward and rightward in the rectangular sleeve 5, and the rectangular sleeve 5 can be slid forward and backward in the rectangular frame 6.

[0033] In the embodiment of the utility model, the mounting frame 9 comprises a main rod 10, a connecting rod 11 and a telescopic rod 12, the main rod 10, the connecting rod 11 and the telescopic rod 12 are combined and arranged in a triangular shape, the main rod 10 is rotationally arranged at the bottom end of the adjusting screw rod 7, the connecting rod 11 is rotationally arranged at the bottom of both sides of the main rod 10, the suction disc 8 is arranged on the connecting rod 11, the telescopic rod 12 is rotationally arranged at the top of both sides of the main rod 10, and the telescopic rod 12 is rotationally connected with the corresponding connecting rod 11.

[0034] When the suction disc 8 is adsorbed and fixed with the wind power blade, personnel can rotate and fix the connecting rod 11 according to the curvature change of the wind power blade, so that the suction discs 8 on the two groups of connecting rods 11 can be adsorbed on the wind power blade according to the curvature change of the wind power blade, the stability of the positioning structure fixed on the wind power blade is ensured, and the stability of the positioning and polishing of the pneumatic sander 2 is further ensured.

[0035] Specifically, the telescopic rod 12 comprises a sleeve pipe 1201, a plug rod 1202 and a fixing bolt 1203, the plug rod 1202 is inserted into the sleeve pipe 1201, the fixing bolt 1203 is arranged at one end of the sleeve pipe 1201 facing the plug rod 1202, one end of the sleeve pipe 1201 away from the plug rod 1202 is rotationally connected with the main rod 10, and the other end of the plug rod 1202 away from the sleeve pipe 1201 is rotationally connected with the connecting rod 11; the sleeve pipe 1201 and the plug rod 1202 can be adjusted in length by pulling and pushing, and then the two are fixed by tightening the fixing bolt 1203.

[0036] In the embodiment of the utility model, universal adjusting structure 13 is arranged between connecting rod 11 and sucking disc 8, universal adjusting structure 13 includes open round cover 1301, rotating ball 1302 and connecting end 1303, open round cover 1301 is arranged on connecting rod 11, rotating ball 1302 is movably arranged in open round cover 1301, and rotating ball 1302 is connected with sucking disc 8 through connecting end 1303;

[0037] Under the cooperation of open round cover 1301, rotating ball 1302 and connecting end 1303, sucking disc 8 can further be adaptively rotated and adjusted according to the situation, so that it can better match and attach to the wind power blade, further ensuring the stability of sucking disc 8 and the wind power blade, thereby further improving the stability of the positioning and polishing of pneumatic polisher 2.

[0038] In the embodiment of the utility model, mounting rod 4 and rectangular sleeve 5 are horizontally arranged, rectangular frame 6 is obliquely arranged, and the two groups of rectangular frames 6 are combined in V-shaped distribution, and the small opening interval of the two groups of rectangular frames 6 is the same as the interval of the two groups of mounting rods 4.

[0039] The large opening interval of the two groups of V-shaped rectangular frames 6 is relatively large, facilitating the installation of the two groups of mounting rods 4, and the small opening installation of the two groups of V-shaped rectangular frames 6 is outward, which can effectively avoid the situation that the mounting rod 4 falls off when the pneumatic polisher 2 is pushed forward, further ensuring the safety of the positioning and polishing of the pneumatic polisher 2.

[0040] Working principle: the embodiment provides a polishing device for wind power blade maintenance with a positioning mechanism, first, the mounting structure 1, the adjusting support 3, the mounting rod 4, the rectangular sleeve 5, the rectangular frame 6, the adjusting screw 7, the sucking disc 8 and the mounting frame 9 are combined to form a positioning structure, when a person is repairing and polishing the wind power blade in the air, first, the height of the sucking disc 8 can be adjusted through the adjusting screw 7, and then the sucking disc 8 is adsorbed to the wind power blade, so that the positioning structure is fixed on the wind power blade, and then the person directly installs the pneumatic polisher 2 into the mounting structure 1, because the mounting rod 4 can be displaced left and right in the rectangular sleeve 5, the rectangular sleeve 5 can be displaced forward and backward in the rectangular frame 6, and under the cooperation of the adjusting support 3, the height and angle of the pneumatic polisher 2 are convenient for the person to control, therefore, the pneumatic polisher 2 can be stably moved horizontally or forward and backward for polishing, thereby playing the effect of positioning and polishing the pneumatic polisher 2, avoiding the situation that the pneumatic polisher 2 deviates, and ensuring the effect and efficiency of the person repairing and polishing the wind power blade in the air;

[0041] Secondly, when the suction cups 8 are adsorbed and fixed on the wind power blade, the connecting rods 11 can be rotated and fixed according to the curvature change of the wind power blade, so that the two groups of suction cups 8 on the connecting rods 11 can be adsorbed on the wind power blade according to the curvature change of the wind power blade, the stability of the positioning structure fixed on the wind power blade is ensured, and the stability of the positioning and polishing of the pneumatic polisher 2 is further ensured.

[0042] Secondly, under the cooperation of the open circular sleeve 1301, the rotating ball 1302 and the connecting end 1303, the suction cup 8 can be further adaptively rotated and adjusted according to the situation, so that it can better match and attach to the wind power blade, and the stability of the suction cup 8 adsorbed and fixed on the wind power blade is further ensured, so that the stability of the positioning and polishing of the pneumatic polisher 2 is further improved.

[0043] Finally, the two groups of rectangular frames 6 arranged in V shape have relatively large large-opening intervals, the installation of the two groups of installation rods 4 is facilitated, the two groups of rectangular frames 6 arranged in V shape are installed outwardly, when the pneumatic polisher 2 is pushed forward, the installation rod 4 can be effectively prevented from falling off, and the safety of the positioning and polishing of the pneumatic polisher 2 is further ensured.

[0044] The embodiments of the utility model discloses the better embodiment, but is not limited to this, the ordinary skill in the art, the spirit of the utility model is appreciated according to the above-mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.

Claims

1. A polishing device for wind turbine blade repair with a positioning mechanism, characterized in that, The utility model provides an adjustable air sander, including installation structure (1) and pneumatic sander (2), pneumatic sander (2) is arranged on installation structure (1), and the both sides of installation structure (1) are arranged with adjusting support (3), and the side of adjusting support (3) is away from pneumatic sander (2) and is arranged with mounting rod (4), and the rectangular sleeve (5) is arranged on mounting rod (4) slidingly, and the rectangular sleeve (5) is arranged with rectangular frame (6), and rectangular frame (6) is perpendicular to mounting rod (4) arrangement, and rectangular sleeve (5) is arranged in rectangular frame (6) slidingly, and the both ends of rectangular frame (6) are arranged with adjusting screw (7), and the bottom end of adjusting screw (7) is rotatably arranged with mounting frame (9), and two groups of sucking disc (8) are symmetrically arranged on mounting frame (9). The mounting frame (9) includes a main rod (10), a connecting rod (11), and a telescopic rod (12), which are combined in a triangular shape. The main rod (10) is rotatably arranged at the bottom end of the adjusting screw (7). The connecting rod (11) is rotatably arranged at the bottom of both sides of the main rod (10). The sucking disc (8) is arranged on the connecting rod (11). The telescopic rod (12) is rotatably arranged at the top of both sides of the main rod (10). The telescopic rod (12) is rotatably connected with the corresponding connecting rod (11).

2. The polishing device for wind blade maintenance with positioning mechanism according to claim 1, characterized in that, The installation structure (1) includes a U-shaped frame (101), and the opening of the U-shaped frame (101) is movably arranged with a mounting plate (102). The central part of the mounting plate (102) is arranged with a top fixing screw (103). One end of the top fixing screw (103) is rotatably arranged with a top fixing arc plate (104).

3. The polishing device for wind blade maintenance with positioning mechanism according to claim 2, characterized in that, The inner wall of the U-shaped frame (101) is provided with a limiting groove (109). The both sides of the top fixing arc plate (104) are arranged with protrusions (108), and the protrusions (108) are located in the limiting groove (109).

4. The polishing device for wind blade maintenance with positioning mechanism according to claim 2, characterized in that, The opening of the U-shaped frame (101) is symmetrically arranged with a fixing screw (105). The mounting plate (102) is provided with a through hole (107) corresponding to the fixing screw (105). One end of the fixing screw (105) penetrating through the through hole (107) is arranged with an ear nut (106).

5. The polishing device for wind blade maintenance with positioning mechanism according to claim 2, characterized in that, The adjusting support (3) includes a concave frame (301), which is connected with the mounting rod (4). The inside of the concave frame (301) is arranged with a rectangular rod (302). The rectangular rod (302) is sleeved with a connecting end block (303). One end of the connecting end block (303) is rotatably connected with the U-shaped frame (101).

6. The polishing device for wind blade maintenance with positioning mechanism according to claim 1, characterized in that, The top and bottom of the rectangular sleeve (5) are movably arranged with rolling balls (14). The inside bottom and top of the rectangular sleeve (5) are movably arranged with rolling balls (14). The inside bottom and top of the rectangular frame (6) are provided with rolling grooves (15). The top and bottom of the mounting rod (4) are provided with rolling grooves (15). The rolling balls (14) outside the rectangular sleeve (5) are located in the rolling grooves (15) on the rectangular frame (6). The rolling balls (14) inside the rectangular sleeve (5) are located in the rolling grooves (15) on the mounting rod (4).

7. The polishing device for wind blade maintenance with positioning mechanism according to claim 1, characterized in that, The telescopic rod (12) comprises a sleeve (1201), a plug rod (1202) and a fixing bolt (1203), the plug rod (1202) is inserted into the sleeve (1201), the fixing bolt (1203) is arranged at one end of the sleeve (1201) facing the plug rod (1202), one end of the sleeve (1201) away from the plug rod (1202) is rotationally connected with the main rod (10), and one end of the plug rod (1202) away from the sleeve (1201) is rotationally connected with the connecting rod (11).

8. The polishing device for wind blade maintenance with positioning mechanism according to claim 1, characterized in that, A universal adjusting structure (13) is arranged between the connecting rod (11) and the suction disc (8), the universal adjusting structure (13) comprises an open circular sleeve (1301), a rotating ball (1302) and a connecting end (1303), the open circular sleeve (1301) is arranged on the connecting rod (11), the rotating ball (1302) is movably arranged in the open circular sleeve (1301), and the rotating ball (1302) is connected with the suction disc (8) through the connecting end (1303).

9. The polishing device for wind blade maintenance with positioning mechanism according to claim 1, characterized in that, The mounting rods (4) and the rectangular sleeves (5) are horizontally arranged, the rectangular frames (6) are obliquely arranged, and two groups of the rectangular frames (6) are combined in V-shaped distribution, and the small opening interval of the two groups of the rectangular frames (6) is same as the interval of the two groups of the mounting rods (4).

Images