CN209774315U - Electric polishing machine for maintaining wind turbine blade - Google Patents

Abstract

the utility model discloses an electric polishing machine is used in maintenance of wind energy conversion system blade, including the burnishing machine body, burnishing machine body bottom is provided with throws the dish, throw the dish inside from the center to seted up first infiltration groove, second infiltration groove and third infiltration groove between the external diameter in proper order, liquid hole has all been seted up to first infiltration groove, second infiltration groove and third infiltration groove bottom, it is close to throwing the dish bottom and is provided with polishing fabric to go out the liquid hole, first infiltration groove, second infiltration groove and third infiltration groove are all around between communicating with each other the setting, one side inner wall that first infiltration groove, second infiltration groove and third infiltration groove are close to the outer lane all is provided with the prevention of seepage membrane, burnishing machine body one side swing joint has a polishing solution section of thick bamboo. The utility model discloses a be equipped with first infiltration groove, second infiltration groove and third infiltration groove, be favorable to making the polishing solution through the even infiltration of the polishing fabric in the liquid hole bottom of throwing the dish to effectually prevent that the polishing solution from directly spraying on the blade surface, cause to spray unevenly and influence polishing effect.

Description

electric polishing machine for maintaining wind turbine blade

Technical Field

The utility model relates to a wind energy conversion system blade maintenance equipment technical field, in particular to wind energy conversion system blade is electric polisher for maintenance.

background

The design of blades in a wind driven generator directly influences the conversion efficiency of wind energy and the annual energy production of the wind driven generator, and is an important ring for wind energy utilization. The basic requirements that a wind turbine blade should meet include: the material of the blade must ensure a smooth surface to reduce wind resistance, and the rough surface is also "torn" by the wind. At this time, workers are required to inspect the produced blade and polish and wax the blade with the defective surface.

However, in the process of polishing the wind turbine blade, polishing solution generally needs to be added on a polishing machine to increase the polishing effect, but the existing polishing solution is sprayed on the surface of the blade by using a drain pipe directly through a polishing disc, so that when the polishing disc is in contact with the blade, the polishing solution is unevenly sprayed, and the centrifugal force of the polishing solution splashes around, thereby causing the poor polishing effect.

Therefore, it is necessary to provide an electric polishing machine for repairing wind turbine blades to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic burnishing machine is used in maintenance of wind energy conversion system blade, through being equipped with first infiltration groove, second infiltration groove and third infiltration groove, be favorable to making the polishing solution through the even infiltration of the polishing fabric in going out the liquid hole bottom of throwing the dish to effectually prevent that the polishing solution from directly spraying on the blade surface, cause to spray unevenly and influence polishing effect, with the problem of proposing in solving above-mentioned background art.

in order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric polishing machine is used in maintenance of wind energy conversion system blade, includes the burnishing machine body, burnishing machine body bottom is provided with throws the dish, throw the dish inside from the center to seted up first infiltration groove, second infiltration groove and third infiltration groove between the external diameter in proper order, first infiltration groove, second infiltration groove and third infiltration groove bottom have all been seted up out the liquid hole, it is close to throwing the dish bottom and is provided with the polishing fabric to go out the liquid hole, first infiltration groove, second infiltration groove and third infiltration groove are all communicating setting around, one side inner wall that first infiltration groove, second infiltration groove and third infiltration groove are close to the outer lane all is provided with the prevention of seepage membrane, burnishing machine body one side swing joint has a polishing solution section of thick bamboo, be connected with out the liquid copper pipe between polishing solution section of thick bamboo and the first infiltration groove, be provided with miniature pump between liquid copper pipe both ends.

Preferably, a slider is fixedly connected to one side of the polishing liquid barrel, a sliding groove matched with the slider is formed in one side of the polishing machine body, a liquid adding opening is formed in the top of the polishing liquid barrel, a cover plug is connected to the inside of the liquid adding opening in a threaded manner, a vent hole is formed between the bottom of the cover plug and the top of the cover plug, a piston is movably connected to the inside of the vent hole, L-shaped fixing rods are movably inserted into the two sides of the piston, and springs are sleeved on the surfaces of the L-shaped fixing.

Preferably, the first infiltration groove, the second infiltration groove and the third infiltration groove have the same diameter and size, and the top of the first infiltration groove is communicated with the outside of the throwing disc and matched with the diameter and size of the liquid outlet copper pipe.

preferably, one end of the top of the liquid outlet copper pipe is in threaded connection with the bottom of the polishing liquid barrel through a threaded locking cap, and the other end of the liquid outlet copper pipe is in sliding insertion connection with the inside of the first seepage groove.

Preferably, the one end that goes out the liquid hole and be close to the bottom sets up for the horn mouth shape, first infiltration groove, second infiltration groove and third infiltration groove all differ 3 in the liquid hole quantity between two adjacent infiltration grooves.

Preferably, both ends of the L-shaped fixed rod are fixedly connected with the inner wall of the air hole, the diameter of the top of the air hole is smaller than the diameter of the bottom of the air hole and matched with the diameter of the middle part of the piston, and the maximum diameter of the piston is smaller than the diameter of the bottom of the air hole.

The utility model discloses a technological effect and advantage:

1. Through being equipped with first infiltration groove, second infiltration groove and third infiltration groove, be favorable to making the polishing solution evenly permeate the bottom of throwing the dish through the polishing fabric in going out the liquid hole to the effectual polishing solution that prevents directly sprays on the blade surface, causes to spray unevenly and influences polishing effect.

2. Through being equipped with the lid stopper, be favorable to making inside the outside air gets into a polishing solution section of thick bamboo to prevent that a polishing solution section of thick bamboo from damaging, and when not using polishing solution, prevent that polishing solution from spilling hourglass.

Drawings

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

FIG. 2 is a schematic view of the structure of part A of FIG. 1 according to the present invention;

fig. 3 is a partial sectional view of the throwing disk structure of the present invention;

fig. 4 is a schematic view of the structure of the part B in fig. 1 according to the present invention.

In the figure: 1. a polishing machine body; 2. throwing a disc; 3. a first infiltration tank; 4. a second infiltration tank; 5. a third infiltration tank; 6. a liquid outlet hole; 601. polishing the fabric; 7. an impermeable membrane; 8. a polishing liquid cartridge; 9. liquid outlet copper pipes; 10. a micro water pump; 11. a slider; 12. a chute; 13. a liquid filling port; 14. covering and plugging; 15. air holes are formed; 16. a piston; 17. an L-shaped fixing rod; 18. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an electric polishing machine for maintaining wind turbine blades as shown in figures 1-4, which comprises a polishing machine body 1, wherein a polishing disk 2 is arranged at the bottom of the polishing machine body 1, a first infiltration groove 3, a second infiltration groove 4 and a third infiltration groove 5 are sequentially arranged from the center to the outer diameter in the polishing disk 2, liquid outlet holes 6 are respectively arranged at the bottoms of the first infiltration groove 3, the second infiltration groove 4 and the third infiltration groove 5, and the polishing liquid is favorably and uniformly infiltrated into the bottom of the polishing disk 2 through the liquid outlet holes 6 by arranging the first infiltration groove 3, the second infiltration groove 4 and the third infiltration groove 5, thereby effectively preventing the polishing liquid from being directly sprayed on the surfaces of the blades to cause uneven spraying and influence the polishing effect, the peripheries of the first infiltration groove 3, the second infiltration groove 4 and the third infiltration groove 5 are communicated with each other, a polishing fabric 601 is arranged at the bottom of the liquid outlet holes 6 close to the polishing disk 2, the polishing machine is beneficial to preventing polishing liquid from being thrown out and causing polishing liquid waste, an anti-seepage film 7 is arranged on the inner wall of one side, close to the outer ring, of each of the first seepage groove 3, the second seepage groove 4 and the third seepage groove 5, a polishing liquid barrel 8 is movably connected to one side of the polishing machine body 1, a liquid outlet copper pipe 9 is connected between the polishing liquid barrel 8 and the first seepage groove 3, and a micro water pump 10 is arranged between the two ends of the liquid outlet copper pipe 9.

Further, in the above technical scheme, a slide block 11 is fixedly connected to one side of the polishing liquid cylinder 8, a slide groove 12 matched with the slide block 11 is formed in one side of the polishing machine body 1, a liquid filling port 13 is formed in the top of the polishing liquid cylinder 8, a cover plug 14 is connected to the inside of the liquid filling port 13 in a threaded manner, an air vent 15 is formed between the bottom and the top of the cover plug 14, a piston 16 is movably connected to the inside of the air vent 15, L-shaped fixing rods 17 are movably inserted to both sides of the piston 16, springs 18 are sleeved on the surfaces of the L-shaped fixing rods 17, and through the cover plug 14, external air can enter the polishing liquid cylinder 8, so that the polishing liquid cylinder 8 is prevented from being damaged, and when polishing liquid is not used, the polishing liquid is;

Further, in the above technical solution, the first infiltration groove 3, the second infiltration groove 4 and the third infiltration groove 5 have the same diameter, and the top of the first infiltration groove 3 is communicated with the outside of the throwing disk 2 and is matched with the diameter of the liquid outlet copper pipe 9;

Further, in the above technical scheme, one end of the top of the liquid outlet copper pipe 9 is in threaded connection with the bottom of the polishing liquid barrel 8 through a threaded locking cap, and the other end of the liquid outlet copper pipe 9 is in sliding insertion connection with the inside of the first infiltration groove 3;

Furthermore, in the above technical scheme, one end of the liquid outlet hole 6 close to the bottom is in a bell mouth shape, and the number of the liquid outlet holes 6 between two adjacent infiltration grooves of the first infiltration groove 3, the second infiltration groove 4 and the third infiltration groove 5 is different by 3, which is beneficial to uniform infiltration of the polishing solution and improvement of the polishing effect;

Furthermore, in the above technical scheme, both ends of the L-shaped fixing rod 17 are fixedly connected with the inner wall of the air hole 15, the top diameter of the air hole 15 is smaller than the bottom diameter of the air hole 15 and is matched with the middle diameter of the piston 16, and the maximum diameter of the piston 16 is smaller than the bottom diameter of the air hole 15, so that the polishing solution can be prevented from spilling and leaking when the polishing solution is not used.

This practical theory of operation:

Referring to the attached drawings 1-3 of the specification, when the surface of a blade is polished, a micro water pump 10 is started, so that the micro water pump 10 injects polishing liquid in a polishing liquid barrel 8 into a first infiltration tank 3 through a liquid outlet copper pipe 9, when a polishing machine body 1 rotates, a polishing disc 2 rotates, so that the polishing liquid in the first infiltration tank 3 is thrown into a second infiltration tank 4 and a third infiltration tank 5 at communicated positions under the action of centrifugal force, and a seepage-proof film 7 is arranged, so that the polishing liquid can not quickly permeate into the polishing disc 2 under the action of the centrifugal force, and the polishing liquid can permeate into polishing fabrics 601 at the bottom of the polishing disc 2 through a liquid outlet 6 and permeate to the surface of the blade through the polishing fabrics 601, and the polishing effect is prevented from being influenced by uneven spraying due to the fact that the polishing liquid is directly sprayed on the surface of the blade;

Referring to the attached drawing 4 of the specification, through being equipped with slider 11 and spout 12, be favorable to when will going out liquid copper pipe 9 and pull down, be convenient for dismantle polishing solution section of thick bamboo 8, through being equipped with lid stopper 14, be favorable to adding polishing solution to polishing solution section of thick bamboo 8 inside, and when the polishing solution of polishing solution section of thick bamboo 8 inside is extracted at micro-water pump 10, make polishing solution section of thick bamboo 8 internal pressure reduce, make piston 16 break away from 15 tops of bleeder vent, make inside outside air entering polishing solution section of thick bamboo 8, thereby prevent polishing solution section of thick bamboo 8 and damage, and when not using polishing solution, prevent that polishing solution from spilling and leaking.

finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides an electric polisher is used in maintenance of wind turbine blade, includes burnishing machine body (1), its characterized in that: the polishing machine comprises a polishing machine body (1), wherein a polishing disc (2) is arranged at the bottom of the polishing machine body (1), a first infiltration groove (3), a second infiltration groove (4) and a third infiltration groove (5) are sequentially arranged in the polishing disc (2) from the center to the outer diameter, liquid outlet holes (6) are formed in the bottoms of the first infiltration groove (3), the second infiltration groove (4) and the third infiltration groove (5), polishing fabrics (601) are arranged at the positions, close to the bottom of the polishing disc (2), of the liquid outlet holes (6), the peripheries of the first infiltration groove (3), the second infiltration groove (4) and the third infiltration groove (5) are communicated, impermeable films (7) are arranged on the inner walls, close to the outer ring, of the first infiltration groove (3), the second infiltration groove (4) and the third infiltration groove (5), a polishing liquid barrel (8) is movably connected to one side of the polishing machine body (1), a copper pipe (9) is connected between the polishing liquid barrel (8) and the first infiltration groove (3), and a micro water pump (10) is arranged between the two ends of the liquid outlet copper pipe (9).

2. The electric polishing machine for repairing the wind turbine blade as claimed in claim 1, wherein: polishing liquid section of thick bamboo (8) one side fixedly connected with slider (11), burnishing machine body (1) one side seted up with slider (11) assorted spout (12), liquid filling opening (13) have been seted up at polishing liquid section of thick bamboo (8) top, liquid filling opening (13) internal thread is connected with lid stopper (14), bleeder vent (15) have been seted up between lid stopper (14) bottom and the top, bleeder vent (15) inside swing joint has piston (16), piston (16) both sides equal activity is pegged graft and is had L shape dead lever (17), spring (18) have been cup jointed on L shape dead lever (17) surface.

3. The electric polishing machine for repairing the wind turbine blade as claimed in claim 1, wherein: the diameter sizes of the first infiltration groove (3), the second infiltration groove (4) and the third infiltration groove (5) are the same, and the top of the first infiltration groove (3) is communicated with the outside of the throwing disc (2) and is matched with the diameter size of the liquid outlet copper pipe (9).

4. The electric polishing machine for repairing the wind turbine blade as claimed in claim 1, wherein: one end of the top of the liquid outlet copper pipe (9) is in threaded connection with the bottom of the polishing liquid barrel (8) through a threaded locking cap, and the other end of the liquid outlet copper pipe (9) is in sliding insertion connection with the inside of the first seepage groove (3).

5. the electric polishing machine for repairing the wind turbine blade as claimed in claim 1, wherein: go out liquid hole (6) and be close to the one end of bottom and set up for the horn mouth shape, first infiltration groove (3), second infiltration groove (4) and third infiltration groove (5) are adjacent liquid hole (6) between two infiltration grooves quantity all differ 3.

6. The electric polishing machine for repairing the wind turbine blade as claimed in claim 2, wherein: l shape dead lever (17) both ends all with bleeder vent (15) inner wall fixed connection, the top diameter of bleeder vent (15) is less than the bottom diameter of bleeder vent (15) and with the middle part diameter phase-match of piston (16), the maximum diameter of piston (16) is less than the bottom diameter of bleeder vent (15).