CN113000259A - Automatic painting device for wind power tower cylinder - Google Patents

Abstract

The invention discloses an automatic painting device for a wind power tower, which relates to the field of wind power generation equipment maintenance devices and aims at solving the problems of high safety risk of operators and low operation efficiency existing in the existing manual maintenance of the external wall protection paint of a wind power tower. The device is novel in structure, and effectively solves the problems of high safety risk of operators and low operation efficiency in the manual maintenance of the conventional wind power tower outer wall protective paint.

Description

Automatic painting device for wind power tower cylinder

Technical Field

The invention belongs to the field of wind power generation equipment maintenance devices, and particularly relates to an automatic painting device for a wind power tower.

Background

The wind power generation equipment is equipment which utilizes wind power to blow fan blades to generate mechanical energy, and then the mechanical energy is converted into electric energy through a generator, generally, wind power generation equipment is provided with a wind power tower, namely a support part of the wind power generation equipment, the wind power tower is generally cylindrical in appearance and hollow inside, a layer of protective paint is brushed on the outer surface of the wind power tower, but the protective paint has service life, and the conditions of peeling, cracking and the like can occur after long-time natural environment erosion, so that the wind power generation equipment needs to be regularly maintained, the conventional maintenance means of the wind power tower protective paint is to repair the paint by suspending aloft workers and manually brushing the paint, but the method has the defects of high safety risk of the workers, low operation efficiency and the like, and therefore, in order to solve the problems, an automatic painting device for the wind power tower barrel is provided

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides an automatic painting device for a wind power tower cylinder, which solves the problems of high safety risk of operators and low operation efficiency in the existing manual maintenance of the external wall protection paint of the wind power tower.

In order to achieve the purpose, the invention adopts the technical scheme that: an automatic painting device for a wind power tower cylinder comprises an annular rail and a paint spraying vehicle, wherein the paint spraying vehicle comprises a moving mechanism, a spray gun, a paint box and an air pump; the inlet and outlet of the air pump are respectively connected with the paint box and the spray gun, and the moving mechanism is connected with the annular track; the circular orbit comprises a first half ring and a second half ring, the first half ring and the second half ring are semicircular, the end parts of the first half ring and the second half ring are connected to form a circular orbit, and a hoisting structure is further arranged on the circular orbit.

The first semi-ring and the second semi-ring are both provided with paint spraying vehicles.

The side of first semi-ring and second semi-ring is equipped with the cushion cap along circumference, moving mechanism includes the mounting panel, and the mounting panel bottom surface sets up bull's eye wheel and fixed axle, and the bull's eye wheel is installed at the fixed axle lower extreme, and bull's eye wheel and cushion cap rolling contact install driving motor on the mounting panel, set up rubber gyro wheel on driving motor's the output shaft, rubber gyro wheel and circular orbit bottom surface rolling contact, ground power supply passes through the cable and supplies power to driving motor.

The bearing is arranged on the fixed shaft, the outer ring of the bearing is in rolling contact with the side surfaces of the first semi-ring and the second semi-ring, and the bottom surface of the annular track is provided with raised grains for increasing friction force.

The end parts of the first half ring and the second half ring are provided with fixing lugs, the fixing lugs are arranged on the inner sides and connected through fixing bolts, and fixing bolts are arranged between the two adjacent groups of fixing lugs.

The fixed lugs are provided with hoisting holes, the inner ring of the annular track is also provided with two hoisting holes, and the hoisting holes are uniformly distributed on the annular track as hoisting structures.

Spray gun, paint case and air pump all are located the top of mounting panel, and the accordant connection has the trachea between air pump and the spray gun, and the accordant connection has the paint pipe between paint case and the spray gun, and the air pump passes through the cable and is supplied power by ground power supply.

The top of both ends of first semi-ring all is provided with proximity switch, and the circular arc inner wall of first semi-ring and second semi-ring all is provided with the spring telescopic link along radial, and the piston rod free end of spring telescopic link is provided with directional wheel.

Still be provided with the camera on the mounting panel, the camera is connected with the display through communication cable, ground power supply pass through the cable to the camera power supply.

The moving mechanism comprises a mounting plate, a driving motor is arranged on the side face of the mounting plate through a motor mounting frame, a bevel gear is arranged on an output shaft of the driving motor, oblique teeth capable of being meshed with the bevel gear are arranged on the bottom faces of the first half ring and the second half ring, and a ground power supply supplies power to the driving motor through a cable.

Compared with the prior art, the invention has at least the following beneficial effects:

the first half ring, the second half ring and the third half ring are sleeved outside the wind power tower, a paint spraying vehicle is used for spraying paint for one circle of the tower body while moving along the edges of the first half ring and the second half ring, and the device is controlled to ascend or descend by matching with the existing winch of the wind power tower, so that the automatic paint spraying operation of the outer wall of the wind power tower can be realized; to sum up, the device has effectually solved the artifical problem of maintaining that there is operating personnel safety risk big and operating efficiency of current wind-powered electricity generation tower outer wall protection lacquer.

Furthermore, the bearing is arranged on the bull-eye wheel and the fixed shaft, so that the side wall of the first half ring or the second half ring is clamped by the bearing, the posture of the paint spraying vehicle is kept stable, the bearing also plays a role of the guide wheel, the paint spraying vehicle can run along the radian of the first half ring or the second half ring, and the paint spraying operation of the arc outer wall of the wind-power tower is completed.

Furthermore, the posture of the device is kept stable through friction force between the orientation wheel and the wind power tower, and secondly, the distance between the wind power tower and the first half ring and the distance between the wind power tower and the second half ring are controlled through the spring telescopic rod, so that the paint spraying vehicle and the wind power tower are prevented from being cut and rubbed, and the device can stably and safely operate.

Further, realize photoelectric device through limit switch and avoid being located two sets of cars that spray paint on first semi-ring and the second semi-ring respectively and cross the border mutually, the effect is that the car that sprays paint is avoided through the hawser of hoist and mount the device, prevents that the hawser from causing the sheltering from to the operation of spraying paint.

Drawings

Fig. 1 is a schematic view of the appearance structure of the present invention.

Fig. 2 is a schematic structural view of a front side view of the spray painting vehicle of the present invention.

Fig. 3 is a structural schematic diagram of a rear side view of the painting vehicle of the present invention.

Fig. 4 is an enlarged view of the structure a in fig. 1 according to the present invention.

Reference numbers in the figures: 1. a first half ring; 2. a second half ring; 3. fixing the ear; 4. fixing the bolt; 5. hoisting holes; 6. a spring telescopic rod; 7. a directional wheel; 8. a paint spraying vehicle; 9. mounting a plate; 10. a bull's eye wheel; 11. a fixed shaft; 12. a bearing; 13. a support; 14. a motor; 15. a rubber wheel; 16. a spray gun; 17. a paint box; 18. an air pump; 19. an air tube; 20. a paint pipe; 21. a proximity switch.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the invention is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1 and 4, an automatic painting device for a wind power tower comprises a first half ring 1 and a second half ring 2, wherein the first half ring 1 and the second half ring 2 are both semicircular, fixing lugs 3 are arranged at two ends of the first half ring 1 and the second half ring 2, paint spraying vehicles 8 are arranged at top ends of the first half ring 1 and the second half ring 2, and each paint spraying vehicle 8 comprises a mounting plate 9, a motor 14, a spray gun 16, a paint box 17 and a gas pump 18;

referring to fig. 2 and 3, the paint spraying vehicle 8 includes a moving mechanism, a spray gun 16, a paint tank 17, and an air pump 18; the inlet and outlet of the air pump 18 are respectively connected with the paint box 17 and the spray gun 16, and the moving mechanism is connected with the annular track; the annular track comprises a first semi-ring 1 and a second semi-ring 2, the first semi-ring 1 and the second semi-ring 2 are both semicircular, the end parts of the first semi-ring 1 and the second semi-ring 2 are connected to form an annular track, and a hoisting structure is further arranged on the annular track;

the fixing bolts 4 are arranged between the two adjacent groups of fixing lugs 3, hoisting holes 5 are formed between the two adjacent groups of fixing lugs 3, the two hoisting holes 5 are further formed in the inner ring of the annular track, the 4 hoisting holes 5 are uniformly distributed on the annular track to serve as hoisting structures, the first half ring 1 and the second half ring 2 are connected together through the fixing bolts 4 to form a complete circular track, and the spliced device can be hoisted integrally through the hoisting holes 5;

the device comprises a first semi-ring 1, a second semi-ring 2, a spring telescopic rod 6, a directional wheel 7, a spring telescopic rod 6, a spring telescopic rod and a spring telescopic rod, wherein the spring telescopic rods 6 are arranged on the inner circular arc walls of the first semi-ring 1 and the second semi-ring 2 in the vertical direction, and the tail ends of piston rods of the spring telescopic rods 6 are provided with the directional wheel 7;

the top parts of the two ends of the first half ring 1 are respectively provided with a proximity switch 21, and the paint spraying vehicle 8 stops when meeting the proximity switches 21, so that the two groups of paint spraying vehicles 8 respectively positioned on the first half ring 1 and the second half ring 2 are prevented from crossing the boundary, the function is to prevent the paint spraying vehicle 8 from blocking the paint spraying operation through hoisting a cable of the device;

the mounting plate 9 is horizontally arranged, the bottom end of the mounting plate 9 is vertically downwards provided with a bull's eye wheel 10 and a fixing shaft 11, the circumferential wall of a shell of the bull's eye wheel 10 and the circumferential wall of the fixing shaft 11 are both matched and sleeved with a bearing 12, as shown in fig. 2 and 3, the bull's eye wheel 10 is lapped on a step on the inner side of an arc of the first half ring 1 or the second half ring 2 and is responsible for supporting the paint spraying trolley 8, the fixing shaft 11 is positioned on the outer wall of the arc, the bearing 12 is arranged on the bull's eye wheel 10 and the fixing shaft 11, so that the bearing 12 clamps the side wall of the first half ring 1 or the second half ring 2, the posture of the paint spraying trolley 8 is kept stable, and meanwhile, the bearing 12 also plays a role of a guide wheel, so that the paint spraying trolley 8 can run along the radian of;

wherein the cross section profiles of the first half ring 1 and the second half ring 2 are both L-shaped, the spray gun 16, the paint box 17 and the air pump 18 are all positioned at the top end of the mounting plate 9, an air pipe 19 is connected between the air pump 18 and the spray gun 16 in a matching way, a paint pipe 20 is connected between the paint box 17 and the spray gun 16 in a matching way, a bracket 13 is arranged at the bottom end of the fixed shaft 11, and the shell of the motor 14 is fixedly connected with the bracket 13, the output shaft of the motor 14 penetrates through the bracket 13, and the end of the output shaft of the motor 14 is fixedly connected with a rubber wheel 15, as shown in fig. 2 and 3, the rubber wheel 15 is positioned at the bottom end of the first half ring 1 or the second half ring 2, and the axial direction of the rubber wheel 15 is arranged along the arc radial direction of the semi-ring, the rubber wheel 15 is driven to rotate by the motor 14, the paint spraying vehicle 8 can be driven to run along the first half ring 1 or the second half ring 2 through the friction force between the rubber wheel 15 and the first half ring 1 or the second half ring 2.

Optionally, the side of first semi-ring 1 and second semi-ring 2 is equipped with the cushion cap along circumference, moving mechanism includes mounting panel 9, and mounting panel 9 bottom surface sets up bull's eye wheel 10 and fixed axle 11, and bull's eye wheel 10 is installed at fixed axle 11 lower extreme, and bull's eye wheel 10 and cushion cap rolling contact install driving motor on the mounting panel 9, set up rubber roller on driving motor's the output shaft, rubber roller and circular orbit bottom surface rolling contact, and ground power supplies passes through the cable and supplies power to driving motor.

The fixed shaft 11 is provided with a bearing, the outer ring of the bearing is in rolling contact with the side surfaces of the first semi-ring 1 and the second semi-ring 2, and the bottom surface of the annular track is provided with raised grains for increasing friction force.

As an alternative embodiment, the moving mechanism includes a mounting plate 9, a driving motor is disposed on a side surface of the mounting plate through a motor mounting bracket, a bevel gear is disposed on an output shaft of the driving motor, inclined teeth which can be engaged with the bevel gear are disposed on bottom surfaces of the first half ring 1 and the second half ring 2, a ground power supply supplies power to the driving motor through a cable, the driving motor drives the bevel gear to rotate, and the bevel gear is engaged with the inclined teeth to drive the mounting plate 9 to move along the annular track.

The output end of the driving mechanism is arranged on the bottom surface of the annular track, so that the driving mechanism is prevented from being polluted to cause faults when paint is sprayed, and the reliability of equipment is improved.

As another optional embodiment, a camera is further arranged on the mounting plate 9, the camera is connected with a display through a communication cable, a ground power supply supplies power to the camera through a cable, the appearance state of a place to be repaired can be obtained in real time through the camera and the display, and a repair effect image can be conveniently obtained.

The working principle is as follows: the device is prepared for use by sleeving a first half ring 1 and a second half ring 2 on the outer peripheral wall of a wind power tower, connecting two ends of the first half ring 1 and the second half ring 2 through fixing bolts 4, and connecting a winch release cable at the top end of the wind power tower, including a cable for power supply, with the device through a hoisting hole 5;

the device's work flow does, through the radian operation of first semi-ring 1 and second semi-ring 2 respectively along two sets of paint spraying cars 8 of motor 14 and rubber wheel 15 drive, and separate by two sets of proximity switch 21 between first semi-ring 1 and the second semi-ring 2, meet proximity switch 21 and trigger promptly and return when the paint spraying car 8, promote the device to the top of wind-powered electricity generation tower, starting motor 14 and air pump 18, make paint spraying car 8 operation, spray gun 16 begins to spray paint, just transfer one section distance with the device when the paint spraying car 8 accomplishes once turning back, so relapse, can be automatic accomplish the work of spraying paint of whole wind-powered electricity generation tower body.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. An automatic painting device for a wind power tower is characterized by comprising an annular track and a paint spraying vehicle (8), wherein the paint spraying vehicle (8) comprises a moving mechanism, a spray gun (16), a paint box (17) and an air pump (18); an inlet and an outlet of the air pump (18) are respectively connected with the paint box (17) and the spray gun (16), and the moving mechanism is connected with the annular track; the circular orbit comprises a first half ring (1) and a second half ring (2), the first half ring (1) and the second half ring (2) are semicircular, the end parts of the first half ring (1) and the second half ring (2) are connected to form a circular orbit, and a hoisting structure is further arranged on the circular orbit.

2. The automatic painting device for the wind tower according to claim 1, characterized in that the first half ring (1) and the second half ring (2) are provided with paint spraying carts (8).

3. The automatic painting device for the wind power tower cylinder according to claim 1, wherein bearing platforms are arranged on the side surfaces of the first half ring (1) and the second half ring (2) along the circumferential direction, the moving mechanism comprises a mounting plate (9), a bull's eye wheel (10) and a fixed shaft (11) are arranged on the bottom surface of the mounting plate (9), the bull's eye wheel (10) is mounted at the lower end of the fixed shaft (11), the bull's eye wheel (10) is in rolling contact with the bearing platforms, a driving motor is mounted on the mounting plate (9), a rubber roller is arranged on an output shaft of the driving motor, the rubber roller is in rolling contact with the bottom surface of the circular track, and a ground power supply supplies power to the driving.

4. The automatic painting device for the wind tower according to claim 3, wherein the fixed shaft (11) is provided with a bearing, the outer ring of the bearing is in rolling contact with the side surfaces of the first half ring (1) and the second half ring (2), and the bottom surface of the annular track is provided with raised grains for increasing friction.

5. The automatic painting device for the wind power tower cylinder according to claim 1, wherein fixing lugs (3) are arranged at the end portions of the first half ring (1) and the second half ring (2), the fixing lugs (3) are arranged on the inner sides, the fixing lugs (3) are connected through fixing bolts (4), and the fixing bolts (4) are arranged between two adjacent groups of fixing lugs (3).

6. The automatic painting device for the wind power tower cylinder according to claim 5, characterized in that the fixing lug (3) is provided with two hoisting holes (5), the inner ring of the annular track is further provided with two hoisting holes (5), and 4 hoisting holes (5) are uniformly arranged on the annular track as hoisting structures.

7. The automatic painting device for the wind power tower as claimed in claim 1, wherein the spray gun (16), the paint box (17) and the air pump (18) are all located at the top end of the mounting plate (9), an air pipe (19) is connected between the air pump (18) and the spray gun (16) in a matching mode, a paint pipe (20) is connected between the paint box (17) and the spray gun (16) in a matching mode, and the air pump is powered by a ground power supply through a cable.

8. The automatic painting device for the wind power tower cylinder according to claim 1, wherein the top of each of the two ends of the first half ring (1) is provided with a proximity switch (21), the inner circular walls of the first half ring (1) and the second half ring (2) are provided with a spring telescopic rod (6) along the radial direction, and the free end of the piston rod of the spring telescopic rod (6) is provided with an orientation wheel (7).

9. The automatic painting device for the wind power tower cylinder according to claim 1, wherein a camera is further arranged on the mounting plate (9), the camera is connected with a display through a communication cable, and a ground power supply supplies power to the camera through a cable.

10. The automatic painting device for the wind power tower cylinder according to claim 1, wherein the moving mechanism comprises a mounting plate (9), a driving motor is arranged on the side surface of the mounting plate through a motor mounting frame, a bevel gear is arranged on an output shaft of the driving motor, inclined teeth capable of being meshed with the bevel gear are arranged on the bottom surfaces of the first half ring (1) and the second half ring (2), and a ground power supply supplies power to the driving motor through a cable.

Images