CN115090462B

CN115090462B - Spraying method for spraying paint on side wall of heat dissipation channel of hollow reactor

Info

Publication number: CN115090462B
Application number: CN202210744065.1A
Authority: CN
Inventors: 任凯; 俞贤文; 乔杰; 李世英; 张鑫; 周航; 郭佳嵘; 马华; 景勇
Original assignee: Zhongwei Power Supply Company State Grid Ningxia Electric Power Co ltd
Current assignee: Zhongwei Power Supply Company State Grid Ningxia Electric Power Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2023-09-12
Anticipated expiration: 2042-06-28
Also published as: CN115090462A

Abstract

The invention provides a spraying method for spraying paint on the side wall of a heat dissipation channel of an air core reactor, and belongs to the technical field of air core reactor protection. The spraying method comprises the following steps: the side wall of the heat dissipation channel is sprayed with paint by adopting a paint spraying device, the paint spraying device comprises a paint conveying device, a paint conveying pipe, a supporting device and a plurality of spraying bodies, the spraying bodies are in one-to-one correspondence with the plurality of heat dissipation channels and are hung on the supporting device at intervals, the plurality of spraying bodies are respectively connected with the paint conveying device through the paint conveying pipe, and a plurality of paint nozzles are arranged on the spraying bodies and extend into the plurality of heat dissipation channels respectively; paint is respectively input into the spraying bodies through the paint conveying device, and the paint is respectively sprayed outwards from the paint nozzles and coated on the side walls of the heat dissipation channels. The paint spraying device is convenient for spraying paint on the side wall of the heat dissipation channel of the hollow reactor and is beneficial to improving the paint spraying efficiency.

Description

Spraying method for spraying paint on side wall of heat dissipation channel of hollow reactor

Technical Field

The invention relates to the technical field of protection of hollow reactors, in particular to a spraying method for spraying paint on the side wall of a heat dissipation channel of an hollow reactor.

Background

At present, after the air core reactor runs for a long time, the phenomena of epoxy pulverization, cracking and partial insulation spalling occur on the surface of the air core reactor due to the combined action of outdoor ultraviolet rays, wind sand, rain, high and low temperatures in four seasons and various insects and birds, so that the air core reactor heats, deforms and burns, and the safe running of a power system is seriously influenced; in order to ensure the normal operation of the air core reactor and prolong the service life of the air core reactor, workers are required to regularly spray or brush special paint for maintenance work on the air core reactor.

However, since the hollow reactor is provided with a plurality of layers of windings which are wound into a cylinder and coaxial and have different diameters, the plurality of layers of windings are supported by the support, and adjacent windings are separated by the insulating partition plate to form a plurality of heat dissipation channels with smaller sizes, in the prior art, the inner wall of the heat dissipation channels is coated mainly by adopting a paint dipping method, but the paint is more required by adopting the paint dipping method, the structure of paint dipping equipment is more complex, and the cost for protecting the hollow reactor is higher. Thus, there is a need for a spray method that facilitates spray coating of air core reactors and facilitates improved coating spray efficiency.

Disclosure of Invention

The invention aims to overcome at least one defect of the prior art and provides a spraying method for spraying paint on the side wall of the heat dissipation channel of the air core reactor, which is convenient for spraying paint on the side wall of the heat dissipation channel of the air core reactor and is favorable for improving the paint spraying efficiency.

The technical scheme for solving the technical problems is as follows: the spray coating method for the side wall spray coating of the heat dissipation channel of the hollow reactor comprises the steps that at least three groups of windings which are coaxially arranged in the radial direction and have different diameters and are in a cylindrical structure are arranged at intervals in the radial direction of the hollow reactor, an annular heat dissipation cavity is defined between two adjacent groups of windings, a plurality of vertically arranged insulating interval structures are arranged in the annular heat dissipation cavity at intervals in the circumferential direction, the annular heat dissipation cavity is divided into a plurality of heat dissipation channels by the insulating interval structures, and the spray coating method for the side wall spray coating of the heat dissipation channel of the hollow reactor comprises the following steps:

the side wall of the heat dissipation channel is sprayed with paint by adopting a paint spraying device, the paint spraying device comprises a paint conveying device, a paint conveying pipe, a supporting device and spraying bodies, the spraying bodies are provided with a plurality of spraying bodies, the plurality of the heat dissipation channels are arranged at intervals in a one-to-one correspondence radial direction, the plurality of the spraying bodies are hung and mounted on the supporting device at intervals, the plurality of the spraying bodies are respectively connected with the paint conveying device through the paint conveying pipe, a plurality of paint nozzles for spraying paint are respectively arranged on the spraying bodies at intervals along the height of the spraying bodies, and the plurality of the spraying bodies are respectively stretched into the plurality of the heat dissipation channels arranged at intervals;

And paint is respectively input into the spraying bodies through the paint conveying device, and the paint input into the spraying bodies is respectively sprayed outwards from the paint nozzles and coated on the side walls of the heat dissipation channels into which the spraying bodies extend.

The beneficial effects of the invention are as follows: in the spraying method of the embodiment, the plurality of spraying bodies extend into the plurality of radiating channels arranged at radial intervals respectively, and the plurality of spraying bodies can be used for simultaneously spraying the paint on the side walls of the plurality of radiating channels, so that the paint can be efficiently sprayed on the side walls of the radiating channels; furthermore, a plurality of paint nozzles for spraying paint are respectively arranged on the spraying bodies at intervals along the height of the spraying bodies, the coverage area of each spraying body for spraying paint in the vertical direction is wider, the spraying efficiency of spraying paint on the side wall of the heat dissipation channel is further improved, and the winding with a certain height size can be conveniently and rapidly sprayed with paint; furthermore, in the embodiment, the side wall of the heat dissipation channel is coated by adopting a spraying method, and the coating spraying equipment used for coating is simple in structure and convenient to operate, so that the cost of coating the side wall of the heat dissipation channel is reduced, and the protection of the winding on the air core reactor is realized at lower cost.

In addition, on the basis of the technical scheme, the invention can be improved as follows and can also have the following additional technical characteristics.

According to one embodiment of the invention, the spraying body is provided with a plurality of coating nozzles respectively facing the side surfaces of the two radial side walls of the heat dissipation channel at intervals along the height of the spraying body, and the coating is sprayed on the two radial side walls of the heat dissipation channel at the same time through the plurality of coating nozzles respectively facing the two radial side walls of the heat dissipation channel.

In this embodiment, through a plurality of coating nozzles that just are respectively to the both radial lateral walls of heat dissipation passageway, carry out the spraying coating to the both radial lateral walls of heat dissipation passageway simultaneously for same spraying body can be simultaneously through the lateral wall spraying coating of two rows of coating nozzles to the heat dissipation passageway, the quick both radial lateral walls of heat dissipation passageway of being convenient for carry out the spraying coating, and can further improve the spraying efficiency of spraying coating.

According to an embodiment of the present invention, in spraying paint on the side wall of the heat dissipation channel by the paint spraying device, the orientation of the paint nozzles is adjusted by the angle adjusting mechanism for adjusting the orientation of the paint nozzles, thereby adjusting the spraying direction of the paint sprayed from the paint nozzles.

In this embodiment, the direction of a plurality of paint nozzles is adjusted through the angle adjusting mechanism, and then the spraying direction of paint sprayed from the paint nozzles is adjusted, so that the spraying direction of paint sprayed from the paint nozzles can be adjusted simultaneously, the spraying direction can be adjusted as required, and the paint spraying on different side walls of the heat dissipation channel can be realized.

According to one embodiment of the present invention, in the process of coating the side walls of the heat dissipation channels by the coating material spraying device, the height positions of the plurality of spray coating bodies are adjusted by the lifting device for adjusting the height positions of the plurality of spray coating bodies.

In this embodiment, the height positions of the spraying bodies are adjusted through the lifting device, so that the spraying effect of the spraying paint on the side wall of the heat dissipation channel is improved by adjusting the height positions of the spraying bodies in the process of spraying the paint on the side wall of the heat dissipation channel, and then spraying the paint on the side wall of the heat dissipation channel at different height positions.

According to one embodiment of the invention, in the process of spraying paint on the side wall of the heat dissipation channel, the installation height of the lifting device is adjusted according to the height positions of a plurality of winding layers vertically arranged on the hollow reactor at intervals, and the heights of the spraying bodies are further adjusted to sequentially spray paint on the side walls of the heat dissipation channels arranged on the winding layers at different height positions.

In the embodiment, the mounting height of the lifting device is adjusted according to the height positions of the multi-layer winding layers vertically arranged at intervals on the air core reactor, so that the heights of the spraying bodies are convenient to adjust, the side walls of the plurality of heat dissipation channels arranged on the winding layers at different height positions are sequentially sprayed with paint, and the winding layers at different height positions of the whole air core reactor are further sprayed with paint.

According to one embodiment of the invention, the paint delivery device, the angle adjustment mechanism and the lifting device are controlled automatically by a control system according to a preset program, respectively.

In the embodiment, the paint conveying device is automatically controlled by the control system according to a preset program, so that the start and stop conditions of the paint conveying device are conveniently and automatically controlled, and further, the paint is automatically conveyed; furthermore, the angle adjusting mechanism is automatically controlled by the control system according to a preset program, and the direction of the plurality of paint nozzles is automatically adjusted by the angle adjusting mechanism, so that the spraying direction of paint sprayed from the paint nozzles is automatically adjusted, the spraying direction of paint sprayed from the paint nozzles can be simultaneously adjusted, the spraying direction is convenient to automatically adjust, and the paint spraying on different side walls of the heat dissipation channel is realized; further, through control system according to the procedure automatic control elevating gear who presets, can be at the in-process to the lateral wall spraying coating of heat dissipation channel, the high position of a plurality of spraying body, and then can carry out spraying coating to the different high positions of the lateral wall of heat dissipation channel, still can be through elevating gear automatically regulated the height of a plurality of spraying body to the realization is to the lateral wall spraying coating of a plurality of heat dissipation channels that are equipped with on the winding layer that is located different high positions in proper order.

According to one embodiment of the invention, after the side walls of the heat dissipation channels are sprayed with the paint, the spray bodies are moved out of the heat dissipation channels which are sprayed, the support device is moved according to the distribution positions of the heat dissipation channels which are arranged at intervals in the circumferential direction to adjust the positions of the spray bodies, the spray bodies are arranged right above the heat dissipation channels which are arranged at intervals in the other radial direction to spray the paint, the spray bodies are respectively stretched into the heat dissipation channels which are arranged at intervals in the same radial direction, the paint is respectively input into the spray bodies through the paint conveying device, and the paint input into the spray bodies is respectively sprayed out from the paint nozzles and is coated on the side walls of the heat dissipation channels which are currently stretched into the spray bodies.

In this embodiment, after the side walls of the plurality of heat dissipation channels located in the same radial direction are sprayed, the plurality of spray bodies are moved and extend into the plurality of heat dissipation channels located in the other radial direction at intervals to perform spraying operation, so that the side walls of the plurality of heat dissipation channels located in the radial direction at intervals are sprayed with paint in sequence along the circumferential direction.

According to one embodiment of the invention, the spraying method for spraying the paint on the side wall of the heat dissipation channel of the hollow reactor further comprises the following steps:

grouping the plurality of heat dissipation channels according to the total number of the plurality of heat dissipation channels arranged at intervals in the circumferential direction to form a plurality of heat dissipation channel groups, wherein each heat dissipation channel group comprises a plurality of heat dissipation channels arranged at intervals in the radial direction, each heat dissipation channel group further comprises a plurality of heat dissipation channels arranged at intervals in the circumferential direction, and each heat dissipation channel group comprises an equal number of heat dissipation channels;

according to the number of the heat dissipation channels arranged at intervals in the circumferential direction of each heat dissipation channel group, a spraying body group is arranged on the supporting device, the spraying body groups correspond to the plurality of the heat dissipation channels arranged at intervals in the circumferential direction in a one-to-one correspondence manner, and a plurality of rows of spraying bodies are arranged on the plurality of the heat dissipation channels arranged at intervals in the circumferential direction, and each row of spraying bodies respectively comprises a plurality of spraying bodies arranged at intervals in the radial direction;

and respectively inputting paint into a plurality of spraying bodies in the spraying body group through the paint conveying device, and simultaneously spraying paint on the side walls of a plurality of heat dissipation channels in one group of heat dissipation channel groups.

In this embodiment, through forming multiunit heat dissipation channel group to many heat dissipation channels group in groups, and be equipped with spraying body group on strutting arrangement, spraying body group is equipped with multirow spraying body in circumference direction, can spray coating to the lateral wall of many heat dissipation channels in a set of heat dissipation channel group simultaneously through the multirow spraying body of spraying body group, further improvement spray coating's spraying efficiency.

According to one embodiment of the invention, after the side walls of the heat dissipation channels are sprayed, the spray bodies are moved out of the heat dissipation channels after the side walls of the heat dissipation channels in the same group of the heat dissipation channels are sprayed, the supporting device is moved according to the position of the next group of the heat dissipation channels to be sprayed to adjust the positions of the spray bodies, so that the spray bodies are positioned right above the heat dissipation channels in the next group of the heat dissipation channels to be sprayed, and then the spray bodies are respectively extended into the heat dissipation channels in the current group of the heat dissipation channels, the paint is respectively input into the spray bodies to be sprayed, and the paint input into the spray bodies is respectively sprayed from the spray bodies and is sprayed to the heat dissipation channels extending to the outside of the spray nozzles.

In this embodiment, after the side walls of the plurality of heat dissipation channels located in the same group of heat dissipation channel groups are sprayed, the plurality of spraying bodies are moved and extend into the plurality of heat dissipation channels in the next group of heat dissipation channel groups to perform spraying operation, so that the side walls of the plurality of groups of heat dissipation channel groups are sprayed with paint along the circumferential direction in turn, and the spraying efficiency of the paint is improved.

According to one embodiment of the application, the bottom of the supporting device is provided with a plurality of universal wheels, and the positions of the plurality of spraying bodies are adjusted by moving the supporting device during spraying by the plurality of spraying bodies and when the positions of the plurality of spraying bodies need to be adjusted.

In this embodiment, the position of a plurality of spraying bodies is adjusted through removing strutting arrangement, and strutting arrangement's bottom is equipped with a plurality of universal wheels, aligns the heat dissipation passageway, and then is convenient for stretch into in the heat dissipation passageway with a plurality of spraying bodies and follow in the heat dissipation passageway and shift out a plurality of spraying bodies, is favorable to the quick of spraying operation.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a spray body according to an embodiment of the present invention extending into a heat dissipation channel of an air core reactor;

FIG. 2 is a front elevational view of FIG. 1 after alignment;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a schematic view of a structure of a spray body assembly according to an embodiment of the present invention mounted on a support device;

FIG. 5 is a schematic view of a spray body according to an embodiment of the present invention;

FIG. 6 is a front view of the spray body of FIG. 5 after being aligned;

fig. 7 is an enlarged view of the region I in fig. 5.

In the drawings, the list of components represented by the various numbers is as follows:

1. the reactor comprises a hollow reactor 2, a supporting device 3, a telescopic motor 4, a hanging rod 5, a connecting piece 6, a spraying body 7, a coating conveying pipe 10, an insulating supporting seat 11, a winding one, a winding two, a winding 13, a winding three, a winding 14, a winding four, a winding 15, a supporting frame one, a supporting frame two, a supporting frame 17, an insulating spacing plate 20, a supporting base 21, a guiding column one, a supporting plate 22, a supporting plate 23, a driving top plate 24, a guiding column two, a guiding column 25, a movable mounting seat 30, a telescopic rod 31, a pushing plate 40, a supporting body 41, a rotating section 42, a locking nut 43, a locking nut 50, a vertical connecting plate 51 and a sliding block, 52, a top-stopping fixing plate, 53, a horizontal connecting plate, 54, a screwing bolt, 60, a paint nozzle, 61, a paint input connector, 62, a plugging head, 101, an insulating support body, 102, a first support seat, 103, a second support seat, 151, a first support ring, 152, a first support connecting plate, 153, a first installation seat, 161, a second support ring, 162, a second support connecting plate, 163, a second installation seat, 221, a first sliding guide sleeve, 222, a second locking bolt, 231, a second sliding guide sleeve, 251, a mounting protrusion, 252, a third locking bolt, 401, a horizontal rotation support part, 411, a rotation connection part, 412, a chute, 601, a paint ejection hole, 602 and a dismounting jack.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail with reference to the accompanying drawings.

In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.

As shown in fig. 1 to 7, the spraying method for spraying the paint on the side wall of the heat dissipation channel of the air core reactor provided in this embodiment is that at least three groups of windings which are coaxially arranged and have different diameters and are in a cylindrical structure are arranged in the radial direction at intervals, an annular heat dissipation cavity is defined between two adjacent groups of windings, a plurality of vertically arranged insulating interval structures are arranged in the annular heat dissipation cavity at intervals in the circumferential direction, the annular heat dissipation cavity is separated by the plurality of insulating interval structures to form a plurality of heat dissipation channels, and the spraying method for spraying the paint on the side wall of the heat dissipation channel of the air core reactor comprises the following steps:

The side wall of the heat dissipation channel is sprayed with paint by adopting a paint spraying device, the paint spraying device comprises a paint conveying device, a paint conveying pipe 7, a supporting device 2 and spraying bodies 6, the spraying bodies 6 are provided with a plurality of heat dissipation channels which are arranged at intervals in a radial direction in a one-to-one correspondence radial direction, the spraying bodies 6 are hung on the supporting device 2 at intervals, the spraying bodies 6 are respectively connected with the paint conveying device through the paint conveying pipe 7, a plurality of paint nozzles 60 for spraying paint are respectively arranged on the spraying bodies 6 along the height intervals of the spraying bodies, and the spraying bodies 6 are respectively stretched into the heat dissipation channels which are arranged at intervals in the radial direction;

paint is respectively input into the plurality of spray bodies 6 through the paint conveying device, and the paint input into the spray bodies 6 is respectively sprayed outwards from the plurality of paint nozzles 60 and coated on the side walls of the heat dissipation channels into which the spray bodies 6 extend.

In this embodiment, as shown in fig. 1 to 7, in the spraying method of this embodiment, a plurality of spraying bodies 6 extend into a plurality of heat dissipation channels arranged at radial intervals, and paint can be sprayed to the side walls of the heat dissipation channels through the plurality of spraying bodies 6 at the same time, so that paint can be sprayed to the side walls of the heat dissipation channels with high efficiency; further, the spraying bodies 6 are respectively provided with a plurality of coating nozzles 60 for spraying coating along the height interval, the coverage area of the spraying coating of each spraying body 6 in the vertical direction is wider, the spraying efficiency of spraying the coating on the side wall of the heat dissipation channel is further improved, and the winding with a certain height size can be conveniently and rapidly sprayed with the coating; furthermore, in this embodiment, the side wall of the heat dissipation channel is coated by adopting the spraying method, and the coating spraying device used for coating has a simple structure and is convenient to operate, so that the cost of coating the side wall of the heat dissipation channel is reduced, and the protection of the winding on the air core reactor 1 is realized at a lower cost.

In this embodiment, as shown in fig. 1 to 3, four groups of windings are arranged at intervals in the lateral direction in the hollow reactor 1 in this embodiment, the four groups of windings are, in turn, a first winding 11, a second winding 12, a third winding 13 and a fourth winding 14 from outside to inside, an annular heat dissipation cavity defined between the first winding 11 and the second winding 12 is specifically an annular heat dissipation cavity one, an insulating spacing structure provided in the annular heat dissipation cavity one is specifically an insulating spacing plate 17, and a plurality of heat dissipation channels formed by separating the annular heat dissipation cavities one by a plurality of insulating spacing plates 17 are specifically heat dissipation channels one; the annular heat dissipation cavity defined between the second winding 12 and the third winding 13 is specifically an annular heat dissipation cavity II, an insulating spacing structure arranged in the annular heat dissipation cavity II is also an insulating spacing plate 17, and a plurality of heat dissipation channels formed by the annular heat dissipation cavity in a separated mode are specifically heat dissipation channels II through a plurality of insulating spacing plates 17; the annular heat dissipation cavity defined between the winding III 13 and the winding IV 14 is specifically an annular heat dissipation cavity III, an insulating spacing structure arranged in the annular heat dissipation cavity III is also an insulating spacing plate 17, and a plurality of heat dissipation channels formed by separating the annular heat dissipation cavity III by a plurality of insulating spacing plates 17 are specifically heat dissipation channels III.

Further, as shown in fig. 1 to 3, the four sets of windings in the present embodiment are fixedly supported by the first support 15 and the second support 16, the four sets of windings are horizontally fixed on the first support 15 and the second support 16, the first support 15 is located above the four sets of windings, and the second support 16 is located below the four sets of windings.

Further, as shown in fig. 1 to 3, the first bracket support 15 in the present embodiment includes a first support ring 151, a first support connecting plate 152 and a first mounting seat 153, the first support connecting plate 152 is provided with a plurality of support connecting plates, the plurality of support connecting plates 152 are circumferentially and alternately connected to the first support ring 151, and the first mounting seat 153 is provided with a plurality of support connecting plates and is respectively connected to one end of the outer side of the first support connecting plate 152. Further, the second bracket support 16 in this embodiment includes a second support ring 161, a second support connection plate 162 and a second mounting seat 163, the second support connection plate 162 is provided with a plurality of second support connection plates 162 circumferentially and alternately connected to the second support ring 161, and the second mounting seat 163 is provided with a plurality of second support connection plates and is respectively connected to one end of the outer side of the second support connection plate 162. The multiple winding structures of the air-core reactor 1 are specifically fixed between the first support connection plate 152 and the second support connection plate 162. It should be noted that, in this embodiment, the first bracket support 15 located at the highest layer is not provided with the first mounting seat 153.

Further, as shown in fig. 1 to 3, an insulating support base 10 is disposed below the second support base 16, a plurality of second installation bases 163 are disposed corresponding to the insulating support base 10 one by one, the insulating support base 10 includes a first support base 102, a second support base 103 and an insulating support body 101, the first support base 102 is used for being connected with the second installation base 163 through bolts, the insulating support body 101 is connected between the first support base 102 and the second support base 103, the second support base 103 is used for being connected with other installation bases, and the installation bases for being connected with the second support base 103 are not shown in the embodiment; further, the second bracket support 16 and the first bracket support 15 in this embodiment have the same structure.

Further, as shown in fig. 1 to 3, the air-core reactor 1 illustrated in the present embodiment is provided with three layers and the like, and the multi-layer winding structure is fixed by bolting the correspondingly arranged first mounting seat 153 and second mounting seat 163 with bolts; furthermore, the number of windings of the air-core reactor 1 in the lateral direction may be three, and other structures of the air-core reactor 1 may refer to the prior art in the art, and will not be described herein.

In this embodiment, as shown in fig. 1 to 4, the paint delivery tube 7 in this embodiment is specifically a delivery hose, and the paint delivery tube 7 can flexibly adapt to the adjustment of the spraying angle during the ongoing spraying operation.

In this embodiment, the paint spraying apparatus employed in this embodiment includes a paint conveying apparatus for conveying paint and a paint storage tank for storing paint, the paint conveying apparatus being connected to the paint storage tank through a paint input pipe; the coating conveying pipes 7 in this embodiment are provided with a plurality of spraying bodies 6 in one-to-one correspondence, the input ends of the coating conveying pipes 7 are respectively connected with the coating conveying device, and the output ends of the coating conveying pipes 7 are respectively connected to one ends of the spraying bodies 6 for inputting coating and are communicated with the coating circulation cavity.

In this embodiment, as shown in fig. 5 to 7, the supporting device 2 further includes a hanging rod 4, a plurality of spraying bodies 6 are installed on the free ends of the hanging rod 4 at intervals, a paint circulation cavity is formed in the spraying bodies 6, a plurality of paint nozzles 60 are arranged on the spraying bodies 6 at intervals along the length direction of the spraying bodies 6, and the paint nozzles 60 are connected to the peripheral sides of the spraying bodies 6 and are respectively communicated with the paint circulation cavity.

In this embodiment, as shown in fig. 7, a plurality of paint ejection holes 601 are provided in each of the paint nozzles 60. In this embodiment, the paint nozzles 60 are respectively provided with a plurality of paint spraying holes 601, which is beneficial to increasing the coverage area of the paint sprayed by the paint nozzles 60, improving the paint spraying efficiency and improving the uniformity of the spraying.

Note that, the paint delivery pipe 7 in this embodiment also illustrates only a part of the paint delivery pipe 7, and the paint storage box and the paint delivery apparatus in this embodiment are not illustrated, and in addition, the connection between the paint storage box and the paint delivery apparatus can refer to the paint spraying apparatus in the art, and the description thereof will not be repeated here. Further, the "paint" in the embodiment is an insulating paint, and the "paint" may be other general paint in the prior art; the paint delivery apparatus in this embodiment may employ a pressure pump or the like.

In one embodiment of the present invention, as shown in fig. 5 to 7, a plurality of paint nozzles 60 are respectively disposed on the sides of the spray body 6 facing the two radial side walls of the heat dissipation channel at intervals along the height of the spray body 6, and paint is sprayed on the two radial side walls of the heat dissipation channel through the plurality of paint nozzles 60 facing the two radial side walls of the heat dissipation channel.

In this embodiment, as shown in fig. 5 to 7, the plurality of paint nozzles 60 respectively facing the two radial side walls of the heat dissipation channel are used for simultaneously spraying paint on the two radial side walls of the heat dissipation channel, so that the same spraying body 6 can simultaneously spray paint on the side walls of the heat dissipation channel through the two rows of paint nozzles 60, thereby being convenient for rapidly spraying paint on the two radial side walls of the heat dissipation channel and further improving the spraying efficiency of the spraying paint.

In this embodiment, as shown in fig. 5 to 7, the spraying body 6 in this embodiment has a tubular structure, two sides of the spraying body 6 along the length direction thereof are respectively provided with a first plane and a second plane, which are disposed on the back surface, and a plurality of paint nozzles 60 are respectively disposed on the first plane and the second plane. In addition, the paint nozzles 60 illustrated in the present embodiment are provided on the left and right sides of the spray body 6, and when the spray body 6 is inserted into the heat dissipation channel, the paint nozzles 60 on the left and right sides are respectively opposite to the two side walls of the heat dissipation channel.

In the present embodiment, as shown in fig. 5 to 7, the suspension lever 4 includes:

a support body 40, wherein one end of the support body 40 is provided with a plug-in end, and the other end of the support body 40 is provided with a horizontal rotation support part 401;

a rotating section 41, wherein one end of the rotating section 41 is provided with a rotating connecting part 411, the rotating connecting part 411 is horizontally and rotatably connected to the horizontal rotating supporting part 401 in the horizontal direction, the other end of the rotating section 41 is a free end, and the spraying body 6 is arranged on the free end of the rotating section 41;

and a second locking member for locking the rotation connection part 411 to the horizontal rotation support part 401.

In this embodiment, as shown in fig. 5 to 7, the rotation connection portion 411 on the rotation section 41 is horizontally and rotatably connected to the horizontal rotation support portion 401 of the support body 40 in the horizontal direction, so that the angle formed between the rotation section 41 and the support body 40 can be adjusted in the horizontal direction, and the orientation of the plurality of paint nozzles 60 on the spray body 6 connected to the free end of the rotation section 41 can be adjusted, which is beneficial to adjusting the orientation of the paint nozzles 60 according to the spray direction and improving the spray effect of the paint spraying device on the side wall of the heat dissipation channel. Further, by being provided with the second locking member, the angle formed between the rotating section 41 and the supporting body 40 can be adjusted, and after the angle between the rotating section 41 and the supporting body 40 is adjusted, the second locking member locks the rotating connecting portion 411 and the horizontal rotating supporting portion 401, so that the influence on the spraying effect caused by the change of the orientation of the paint nozzle 60 in the process of spraying paint through the spraying body 6 is avoided.

In this embodiment, as shown in fig. 5 to 7, the supporting device 2 further includes a plurality of connecting members 5, the connecting members 5 are provided with a plurality of spraying bodies 6 in one-to-one correspondence, the plurality of connecting members 5 are respectively slidably mounted on the free ends of the hanging rods 4 at intervals and can slide along the extending direction of the free ends of the hanging rods 4, and the spraying bodies 6 are respectively connected to the connecting members 5.

In the present embodiment, as shown in fig. 5 to 7, the support body 40 in the present embodiment has a cylindrical rod-like structure, and the horizontal rotation support portion 401 has a U-shaped structure; in addition, the rotation connection part 411 on the rotation section 41 in the embodiment has a block structure, and the rotation connection part 411 extends into the horizontal rotation support part 401 having a U-shaped structure; further, the second locking member in this embodiment includes a first locking bolt 42 and a locking nut 43, the horizontal rotation supporting portion 401 and the rotation connecting portion 411 are correspondingly provided with bolt openings for passing through the first locking bolt 42, the locking nut 43 is screwed on the threaded end of the first locking bolt 42, and the rotation connecting portion 411 and the horizontal rotation supporting portion 401 can be locked by screwing the locking nut 43; in addition, when the angle between the rotating section 41 and the supporting body 40 needs to be adjusted, the lock nut 43 can be unscrewed for adjustment. Further, the rotation connection portion 411 and the horizontal rotation support portion 401 in this embodiment may have other rotation connection manners, and the rotation connection portion 411 and the horizontal rotation support portion 401 may be locked by a locking structure with other structures.

In the present embodiment, as shown in fig. 1 to 4, a plurality of sets of paint ejection structure groups each including a plurality of paint nozzles 60 are circumferentially provided on the spray body 6 at intervals.

In this embodiment, as shown in fig. 5 to 7, a sliding groove 412 is provided on the free end of the hanging rod 4, the connecting piece 5 includes a connecting portion and a slider 51, the slider 51 is connected to the connecting portion, the slider 51 is slidably mounted in the sliding groove 412, and the spray body 6 is connected to the connecting portion; the paint spraying apparatus for the air-core reactor 1 further includes:

and a first locking member for locking the connecting member 5 to the free end of the hanger bar 4.

In the present embodiment, as shown in fig. 5 to 7, by providing a slide groove 412 on the free end of the hanger bar 4 and providing a slider 51 on the connector 5, the sliding mounting of the connector 5 on the free end of the hanger bar 4 is facilitated; further, through being equipped with retaining member one in this embodiment, can be through retaining member one with connecting piece 5 locking on the free end of hanging pole 4, be convenient for after adjusting the position of a plurality of spraying body 6, through retaining member one with connecting piece 5 locking on the free end of hanging pole 4, and then restrict the fixed position of spraying body 6, avoid changing and influence spraying effect in the position of spraying body 6 through spraying body 6 spraying coating's in-process.

In this embodiment, as shown in fig. 5, the sliding groove 412 in this embodiment has a T-shaped structure, the sliding block 51 is slidably mounted in the sliding groove 412, and one end of the sliding groove 412 far away from the rotary connecting portion 411 is open, so that the sliding block 51 can be conveniently slid out of the sliding groove 412 to take out the connecting piece 5.

In this embodiment, as shown in fig. 5 to 7, in order to facilitate the opening of the sliding groove 412 at the free end of the rotating section 41, the sliding groove 412 is opened on the concave surface and is recessed backward by opening the concave surface at the front side surface of the rotating section 41.

Further, as shown in fig. 5 to 7, the connection part on the connection piece 5 in the present embodiment includes a vertical connection plate 50 and a horizontal connection plate 53, the slider 51 is connected to the rear side of the vertical connection plate 50, the horizontal connection plate 53 is horizontally connected to the lower end of the vertical connection plate 50, and the horizontal connection plate 53 is provided with a through hole for passing through a paint input connector 61, the input connector passes through the through hole on the horizontal connection plate 53 and is in threaded connection with the spraying body 6, and the input connector compresses the horizontal connection plate 53 with the spraying body 6 to achieve fixation when screwing; in addition, after the input connector is loosened, the orientation of the paint nozzle 60 on the spraying body 6 is adjusted, and then the input connector is screwed to tightly press and fix the horizontal connecting plate 53 and the spraying body 6; further, the connecting piece 5 can be provided with other structures, so that the spraying body 6 can be connected with the hanging rod 4 conveniently.

Further, as shown in fig. 5 to 7, in order to facilitate locking the connector 5 on the free end of the hanging rod 4 in this embodiment, by connecting a top stop fixing plate 52 to the upper end of the vertical connecting plate 50, the top stop fixing plate 52 is horizontally connected to the top of the vertical connecting plate 50 and extends backward, and a vertical threaded hole is provided in the middle of the top stop fixing plate 52; correspondingly, the locking member in this embodiment is specifically a tightening bolt 54, where the tightening bolt 54 is screwed in the threaded hole, and by tightening the tightening bolt 54, the lower end of the tightening bolt 54 is stopped against the free end of the suspension rod 4, so as to lock the connecting member 5 on the free end of the suspension rod 4.

In this embodiment, as shown in fig. 5, the paint nozzles 60 are respectively screwed on the spraying body 6, the spraying body 6 is provided with a plurality of first internal threaded holes, the paint nozzles 60 are respectively provided with external threads, and the paint nozzles 60 are specifically screwed in the first internal threaded holes; further, in order to facilitate the disassembly and assembly of the paint nozzle 60 in this embodiment, a plurality of disassembly and assembly insertion holes 602 are circumferentially provided on the paint nozzle 60, and the paint nozzle 60 can be disassembled and assembled by rotating the disassembly and assembly insertion holes 602 by a disassembly tool.

Further, in order to improve the sealing property of the coating material nozzle 60 screwed to the spray body 6, the coating material nozzle 60 may be screwed to the spray body 6 by wrapping a sealing tape around the outside of the external thread provided on the coating material nozzle 60.

In the present embodiment, as shown in fig. 5 and 6, the paint spraying apparatus for the air-core reactor 1 further includes:

the paint input connector 61 is detachably connected to the upper end of the spraying body 6, the paint circulation cavity is communicated, and the output end of the paint conveying pipe 7 is connected with the paint input connector 61;

a blocking head 62 is detachably attached to the lower end of the spray body 6.

In the present embodiment, as shown in fig. 5 and 6, by connecting a paint input connector 61 to the upper end of the spray body 6, it is convenient to connect the paint body with a paint delivery tube 7 for delivering paint; in addition, the lower end of the paint body is conveniently plugged by connecting a plugging head 62 to the lower end of the paint body 6. Further, the paint input connector 61 and the plugging head 62 in this embodiment are detachable, so that the paint input connector 61 and the plugging head 62 can be conveniently disassembled and assembled, after the paint spraying operation is completed by using the paint spraying device, the paint input connector 61 and the plugging head 62 can be detached, so that the paint of the paint circulation cavity remaining in the paint body can be conveniently cleaned, the paint body can be repeatedly utilized, the use cost of the paint spraying device can be reduced, and the protection cost of the air reactor 1 can be further reduced.

In this embodiment, as shown in fig. 5 and 6, the paint input connector 61 is screwed on the upper end of the spraying body 6, the upper end of the spraying body 6 is provided with an internal threaded hole two, the connecting end of the paint input connector 61 is provided with external threads, the connecting end of the paint input connector 61 is screwed with the internal threaded hole two, and the upper end of the paint input connector 61 is provided with a hexagonal dismounting part one, so that the paint input connector 61 is convenient to dismount; in addition, the screw thread connection of the blocking head 62 is on the upper end of spraying body 6, and the lower extreme of spraying body 6 is equipped with internal thread hole three, and the link of blocking head 62 is equipped with the external screw thread, and the link and the three screw thread connection of internal thread hole of blocking head 62 are equipped with hexagonal dismouting portion two, are convenient for carry out the dismouting to blocking head 62. Further, in order to improve the tightness of the threaded connection between the paint input connector 61 and the plugging head 62 and the spray body 6, the paint input connector 61 and the plugging head 62 may be threaded with the spray body 6 by wrapping a sealing tape around the outer sides of the external threads provided on the paint input connector 61 and the plugging head 62.

In one embodiment of the present invention, in spraying the paint on the side wall of the heat dissipation channel by the paint spraying device, the orientation of the plurality of paint nozzles 60 is adjusted by the angle adjusting mechanism for adjusting the orientation of the plurality of paint nozzles 60, thereby adjusting the spraying direction of the paint sprayed from the paint nozzles 60.

In this embodiment, the direction of the plurality of paint nozzles 60 is adjusted by the angle adjusting mechanism, so as to adjust the spraying direction of the paint sprayed from the paint nozzles 60, so that the spraying direction of the paint sprayed from the paint nozzles 60 can be adjusted at the same time, thereby being convenient for adjusting the spraying direction according to the requirement and realizing the spraying of the paint on different side walls of the heat dissipation channel.

In this embodiment, the angle adjusting mechanism may be a small-sized corner motor, and the corner motor may be mounted on the connecting piece 5, the rotation axis of the corner motor is vertically disposed downward, and the spraying body 6 is mounted on the rotation axis of the corner motor; in addition, the corner motor in this embodiment is not illustrated, and the specific structure of the corner motor may refer to the prior art, and will not be described herein. Further, the angle adjusting mechanism may also employ other rotary driving devices capable of adjusting the angle, so as to facilitate adjusting the orientation of the plurality of paint nozzles 60.

In one embodiment of the present invention, as shown in fig. 1 to 4, in spraying the paint to the side wall of the heat dissipation channel by the paint spraying device, the height positions of the plurality of spray bodies 6 are adjusted by the lifting device for adjusting the height positions of the plurality of spray bodies 6.

In this embodiment, as shown in fig. 1 to 4, the height positions of the plurality of spraying bodies 6 are adjusted by the lifting device, so that in the process of spraying the paint on the side wall of the heat dissipation channel, the paint can be sprayed on different height positions of the side wall of the heat dissipation channel by adjusting the height positions of the plurality of spraying bodies 6, and the spraying effect of the paint on the side wall of the heat dissipation channel is improved.

In the present embodiment, as shown in fig. 1 to 4, the lifting device in the present embodiment includes a telescopic motor 3, the telescopic motor 3 is mounted on a supporting device 2, and a push plate 31 is provided at an upper end of a telescopic rod 30 of the telescopic motor 3.

In this embodiment, as shown in fig. 1 to 4, the supporting device 2 includes a supporting base 20, two guide posts 21 disposed vertically are disposed on the upper side of the supporting base 20, four guide posts 24 are disposed on the upper side of the supporting base 20, and two guide posts 24 are disposed in parallel.

Further, the supporting device 2 further comprises a supporting plate 22, a driving top plate 23 and a movable mounting seat 25, two sliding guide sleeves I221 are arranged on one end, away from the air core reactor 1, of the supporting plate 22, corresponding to the two guide posts I21 one by one, and the sliding guide sleeves I221 are respectively arranged on the periphery of the guide posts I21 in a sliding sleeve manner; further, in order to facilitate locking and fixing the support plate 22, a plurality of threaded through holes are formed in the outer side wall of the first sliding guide sleeve 221, the support plate 22 can be fixed on the first guide post 21 by screwing the second locking bolt 222 in the threaded through holes of the first sliding guide sleeve 221, when the height of the support plate 22 needs to be adjusted, the support plate 22 can be pushed to be adjusted by unscrewing the second locking bolt 222, and after the height of the support plate 22 is adjusted, the support plate 22 can be fixed at a proper height position on the first guide post 21 by screwing the second locking bolt 222.

Further, as shown in fig. 1 to 4, four mounting protrusions 251 are circumferentially spaced on the upper side of the movable mounting seat 25, mounting through holes are formed in the mounting protrusions 251 in the radial direction, and one end of the suspension rod 4, which is far away from the hollow reactor 1, is inserted into the mounting through holes and penetrates outwards; in addition, in order to facilitate locking of the suspension rod 4 in this embodiment, a threaded hole which is in communication with the mounting through hole is formed in the upper side of the mounting protrusion 251, a third locking bolt 252 is screwed into the threaded hole in the mounting protrusion 251, and the suspension rod 4 is limited by the third locking bolt 252.

Further, as shown in fig. 1 to 4, two sliding guide sleeves two 231 are provided on one end of the driving top plate 23 far from the air core reactor 1, corresponding to the two first guide posts 21 one by one, and the sliding guide sleeves two 231 are respectively sleeved on the periphery of the first guide posts 21 in a sliding manner; further, the telescopic motor 3 is specifically mounted on the support plate 22, and a push plate 31 connected to the upper end of the telescopic rod 30 is connected to the lower side of the drive top plate 23.

Further, as shown in fig. 1 to 4, the movable mounting seat 25 in this embodiment is vertically slidably mounted on the four second guide posts 24, four sliding guide holes are provided on the movable mounting seat 25 corresponding to the four second guide posts 24 one by one, the second guide posts 24 respectively pass through the sliding guide holes, one end of the driving top plate 23, which is close to the air core reactor 1, is connected with the movable mounting seat 25, and under the driving action of the telescopic rod 30, the movable mounting seat 25 performs lifting movement in the vertical direction, so as to adjust the heights of the spraying bodies 6 in the vertical direction. Further, the lifting device in this embodiment may also be an electric push rod, etc., and the supporting device 2 may also have various structures.

In one embodiment of the present invention, as shown in fig. 1 to 4, in the process of spraying the paint on the side walls of the heat dissipation channels, the installation height of the lifting device is adjusted according to the height positions of the multi-layer winding layers vertically spaced on the air core reactor 1, so that the heights of the spraying bodies 6 are adjusted to spray the paint on the side walls of the heat dissipation channels arranged on the winding layers at different height positions in sequence.

In this embodiment, as shown in fig. 1 to 4, the installation height of the lifting device is adjusted according to the height positions of the multiple layers of winding layers vertically spaced on the air-core reactor 1, so that the heights of the multiple spraying bodies 6 are convenient to adjust, and therefore the side walls of the multiple heat dissipation channels arranged on the winding layers at different height positions are sequentially sprayed with paint, and then the winding layers at different height positions of the whole air-core reactor 1 are sprayed with paint.

In the present embodiment, as shown in fig. 1 to 3, when the spraying body 6 sprays the winding layer of the lower layer, the support plate 22 is disposed close to the winding layer of the lower layer and the mounting height of the support plate 22 corresponds to the winding layer; before the winding layer of the intermediate layer is sprayed, the support plate 22 needs to be slid upward to adjust the height of the spray body 6; similarly, before the high-level winding layer is sprayed, the support plate 22 needs to be slid upward to adjust the height of the spray body 6 so that the spray body 6 is equivalent to the high-level winding layer.

In one embodiment of the invention, the paint conveying device, the angle adjusting mechanism and the lifting device are respectively and automatically controlled by a control system according to a preset program.

In the embodiment, the paint conveying device is automatically controlled by the control system according to a preset program, so that the start and stop conditions of the paint conveying device are automatically controlled, and further, the paint is automatically conveyed; further, the angle adjusting mechanism is automatically controlled by the control system according to a preset program, and the direction of the plurality of paint nozzles 60 is automatically adjusted by the angle adjusting mechanism, so that the spraying direction of paint sprayed from the paint nozzles 60 is automatically adjusted, the spraying direction of paint sprayed from the paint nozzles 60 can be simultaneously adjusted, the spraying direction is automatically adjusted conveniently, and the paint spraying on different side walls of the heat dissipation channel is realized; further, through control system according to the procedure automatic control elevating gear who presets, can be at the in-process to the lateral wall spraying coating of heat dissipation channel, the high position of a plurality of spraying body 6, and then can carry out spraying coating to the different high positions of the lateral wall of heat dissipation channel, still can be through elevating gear automatically regulated the height of a plurality of spraying body 6 to the realization is to the lateral wall spraying coating of a plurality of heat dissipation channels that are equipped with on the winding layer that is located different high positions in proper order.

In this embodiment, the specific connection manner in which the paint conveying device, the angle adjusting mechanism, and the lifting device are respectively connected to the control system may refer to the control system in the prior art; in addition, the control system in this embodiment is specifically a PLC control system, in this embodiment, the PLC control system is not illustrated, and the specific structure and control program of the PLC control system may be set according to the need with reference to the prior art, which is not described herein.

In one embodiment of the present invention, as shown in fig. 1 to 4, after the side walls of the plurality of heat dissipation channels located in the same radial direction are sprayed, the plurality of spray bodies 6 are moved out of the plurality of heat dissipation channels where the spraying is completed, and then the positions of the plurality of spray bodies 6 are adjusted by moving the supporting device 2 according to the distribution positions of the plurality of heat dissipation channels to be sprayed, which are circumferentially spaced in the circumferential direction, so that the plurality of spray bodies 6 are located right above the plurality of heat dissipation channels to be sprayed, which are alternately spaced in the other radial direction, and then the plurality of spray bodies 6 are respectively stretched into the plurality of heat dissipation channels to be sprayed, which are alternately spaced in the same radial direction, and then the paint is respectively input into the plurality of spray bodies 6 through the paint conveying device, and the paint input into the spray bodies 6 is respectively sprayed out from the plurality of paint nozzles 60 and is coated on the side walls of the heat dissipation channels currently stretched in the spray bodies 6.

In this embodiment, as shown in fig. 1 to 4, after the side walls of the plurality of heat dissipation channels located in the same radial direction are sprayed, the plurality of spray bodies 6 are moved and extend into the plurality of heat dissipation channels located in another radial direction at intervals to perform spraying operation, so that the side walls of the plurality of heat dissipation channels located in the radial direction at intervals are sprayed with paint in sequence along the circumferential direction.

It should be noted that, in the present embodiment, in the case where only one row of spraying bodies 6 is provided, only the side walls of three heat dissipation channels located in the same radial direction can be sprayed with the paint at a time; the term "same radial direction" as used above means that the publication is within the same radial angle range.

In one embodiment of the present invention, as shown in fig. 1 to 4, the spraying method for spraying the paint on the side wall of the heat dissipation channel of the hollow reactor further includes:

according to the total number of the plurality of heat dissipation channels arranged at intervals in the circumferential direction, grouping the plurality of heat dissipation channels to form a plurality of heat dissipation channel groups, wherein each heat dissipation channel group comprises a plurality of heat dissipation channels arranged at intervals in the radial direction, each heat dissipation channel group also comprises a plurality of heat dissipation channels arranged at intervals in the circumferential direction, and each heat dissipation channel group comprises an equal number of heat dissipation channels;

According to the number of the heat dissipation channels arranged at intervals in the circumferential direction of each heat dissipation channel group, spraying body groups are arranged on the supporting device 2, the plurality of heat dissipation channels which are arranged at intervals in the circumferential direction of each heat dissipation channel group in a one-to-one correspondence manner in the circumferential direction of the heat dissipation channel groups are provided with a plurality of rows of spraying bodies 6, and each row of spraying bodies 6 respectively comprises a plurality of spraying bodies 6 which are arranged at intervals in the radial direction;

paint is respectively input into a plurality of spraying bodies 6 in the spraying body group through the paint conveying device, and the paint is sprayed on the side walls of a plurality of heat dissipation channels in a group of heat dissipation channel groups.

In this embodiment, as shown in fig. 1 to 4, a plurality of heat dissipation channel groups are formed by grouping a plurality of heat dissipation channel groups, and a spraying body group is arranged on the supporting device 2, and is provided with a plurality of rows of spraying bodies 6 in the circumferential direction, so that the spraying efficiency of the spraying paint can be further improved by spraying paint on the side walls of the plurality of heat dissipation channel groups in one group of heat dissipation channel groups through the plurality of rows of spraying bodies 6 of the spraying body group.

In this embodiment, as shown in fig. 1 to 4, a group of heat dissipation channel groups in this embodiment includes twelve heat dissipation channels, and six groups are provided in total in the heat dissipation channel groups in this embodiment; correspondingly, the spraying body group in the embodiment comprises four rows of spraying bodies 6, the four rows of spraying bodies 6 comprise twelve spraying bodies 6, and the twelve spraying bodies 6 are in one-to-one correspondence with twelve heat dissipation channels. Further, it should be noted that the total number and grouping of the heat dissipation channels may be various, and the number of the spray bodies 6 provided in the spray body group may be various.

In one embodiment of the present invention, as shown in fig. 1 to 4, after the side walls of the plurality of heat dissipation channels in the same group of heat dissipation channels are sprayed, the plurality of spray bodies 6 are moved out of the plurality of heat dissipation channels after the side walls of the plurality of heat dissipation channels in the same group of heat dissipation channels are sprayed, the position of the plurality of spray bodies 6 is adjusted by moving the supporting device 2 according to the position of the next group of heat dissipation channels to be sprayed, so that the plurality of spray bodies 6 are located right above the plurality of heat dissipation channels in the next group of heat dissipation channels to be sprayed after the plurality of spray bodies 6 are moved in the circumferential direction, the plurality of spray bodies 6 are respectively extended into the plurality of heat dissipation channels in the current group of heat dissipation channels, then the paint is respectively input into the plurality of spray bodies 6 to be sprayed through the paint conveying device, and the paint input into the spray bodies 6 is respectively sprayed out from the plurality of paint nozzles 60 and coated on the side walls of the heat dissipation channels currently extended into the spray bodies 6.

In this embodiment, as shown in fig. 1 to 4, after the side walls of the plurality of heat dissipation channels located in the same heat dissipation channel group are sprayed, the plurality of spraying bodies 6 are moved and extend into the plurality of heat dissipation channels in the next heat dissipation channel group to perform spraying operation, so that the side walls of the plurality of heat dissipation channel groups are sprayed with paint in turn along the circumferential direction, and the spraying efficiency of the paint is improved.

In this embodiment, six heat dissipation channel groups are provided in total, and six times of circumferential movement of the supporting device 2 is required to adjust the positions of the plurality of spraying bodies 6 to sequentially spray the six heat dissipation channel groups.

In one embodiment of the present invention, as shown in fig. 1 to 4, the bottom of the supporting device 2 is provided with a plurality of universal wheels, and the positions of the plurality of spraying bodies 6 are adjusted by moving the supporting device 2 during spraying by the plurality of spraying bodies 6 and when the positions of the plurality of spraying bodies 6 need to be adjusted.

In this embodiment, as shown in fig. 1 to 4, the positions of the spraying bodies 6 are adjusted by moving the supporting device 2, and a plurality of universal wheels are arranged at the bottom of the supporting device 2 and aligned with the heat dissipation channel, so that the spraying bodies 6 can be conveniently stretched into the heat dissipation channel and removed from the heat dissipation channel, which is beneficial to the quick spraying operation.

In this embodiment, as shown in fig. 1 to 4, a plurality of universal wheels mounted at the bottom of the supporting device 2 are not illustrated in this embodiment, and the structure and mounting manner of the universal wheels can refer to the prior art in the field, and will not be described herein.

Further, as shown in fig. 1 to 4, based on the winding in the present embodiment having a cylindrical structure, when the positions of the plurality of spray bodies 6 are adjusted by moving the supporting device 2 during spraying by the plurality of spray bodies 6, the supporting device 2 moves circumferentially with the vertical center of the winding as the rotation axis, so that the spray bodies 6 move along the heat dissipation channel having a circular arc structure and spray paint to the side walls of the heat dissipation channel.

In addition, in addition to the technical solutions disclosed in the present embodiment, reference may be made to conventional technical solutions in the art for the paint storage tank, the paint delivery pipe 7, the insulating support base 10, the pressure pump, the corner motor, the telescopic motor 3, the PLC control system, and the working principle thereof, etc., which are not the focus of the present invention, and the present invention is not described in detail herein.

In the present invention, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or unit referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present application.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The spray coating method for the side wall spray coating of the heat dissipation channel of the hollow reactor is characterized in that at least three groups of windings which are coaxially arranged in the radial direction and have different diameters and are in a cylindrical structure are arranged at intervals, an annular heat dissipation cavity is defined between two adjacent groups of windings, a plurality of vertically arranged insulating interval structures are arranged in the annular heat dissipation cavity at intervals in the circumferential direction, and the annular heat dissipation cavity is divided into a plurality of heat dissipation channels by the insulating interval structures, and the spray coating method for the side wall spray coating of the heat dissipation channel of the hollow reactor is characterized by comprising the following steps:

Respectively inputting paint into a plurality of spraying bodies through the paint conveying device, and respectively spraying the paint input into the spraying bodies outwards from a plurality of paint nozzles and coating the paint on the side walls of the heat dissipation channels into which the spraying bodies extend;

further comprises:

Respectively inputting paint into a plurality of spraying bodies in the spraying body group through the paint conveying device, and simultaneously spraying paint on the side walls of a plurality of heat dissipation channels in a group of heat dissipation channel groups;

in the process of spraying the paint on the side wall of the radiating clamp channels, after the side wall of the radiating clamp channels in the same radial direction is sprayed, a plurality of spraying bodies are moved out of the radiating clamp channels in which the spraying is finished, the supporting device is moved according to the distribution positions of the radiating clamp channels which are circumferentially arranged at intervals in the circumferential direction to adjust the positions of the spraying bodies, so that the spraying bodies are positioned right above the radiating clamp channels which are alternately arranged in the other radial direction and are respectively stretched into the radiating clamp channels which are alternately arranged in the same radial direction and are respectively input with the paint, and the paint input into the spraying bodies is respectively sprayed out from the paint nozzles and is coated on the side wall of the radiating clamp channel in which the spraying bodies are currently stretched;

The spray coating device comprises a spray coating body, a heat dissipation clamping channel and a spray coating device, wherein the spray coating body is respectively opposite to the side surfaces of the two radial side walls of the heat dissipation clamping channel, a plurality of paint nozzles are respectively arranged on the side surfaces of the two radial side walls of the heat dissipation clamping channel at intervals along the height of the spray coating body, and paint is sprayed on the two radial side walls of the heat dissipation clamping channel through the plurality of paint nozzles respectively opposite to the two radial side walls of the heat dissipation clamping channel;

in the process of spraying the paint on the side wall of the heat dissipation channel through the paint spraying device, adjusting the height positions of a plurality of spraying bodies through a lifting device for adjusting the height positions of the spraying bodies;

in the process of spraying paint on the side wall of the heat dissipation channel, the installation height of the lifting device is adjusted according to the height positions of the plurality of winding layers vertically arranged on the hollow reactor at intervals, and then the heights of the spraying bodies are adjusted to sequentially spray paint on the side walls of the heat dissipation channels, which are arranged on the winding layers at different height positions.

2. The spray coating method for the side wall of the heat dissipation channel of the air core reactor according to claim 1, wherein in spraying the paint on the side wall of the heat dissipation channel by the paint spraying device, the orientation of the paint nozzles is adjusted by the angle adjusting mechanism for adjusting the orientation of the paint nozzles, thereby adjusting the spray direction of the paint sprayed from the paint nozzles.

3. The spray coating method for the side wall paint of the heat dissipation channel of the air core reactor according to claim 2, wherein the paint delivery device, the angle adjusting mechanism and the lifting device are controlled respectively and automatically by a control system according to a preset program.

4. A spraying method for a side wall paint of a heat dissipation channel for an air core reactor according to any one of claims 1 to 3, characterized in that, in the process of spraying paint on the side wall of the heat dissipation channel, after the side wall paint of a plurality of the heat dissipation channels located in the same radial direction is sprayed, a plurality of the spray bodies are moved out of the plurality of the heat dissipation channels where the spraying is completed, the support device is moved according to the distribution positions of the plurality of the heat dissipation channels to be sprayed which are circumferentially spaced in the circumferential direction to adjust the positions of the plurality of the spray bodies so that the plurality of the spray bodies are located right above the plurality of the heat dissipation channels to be sprayed which are alternately arranged in another radial direction, the plurality of the spray bodies are respectively extended into the plurality of the heat dissipation channels to be sprayed which are alternately arranged in the same radial direction, then the paint is respectively input into the plurality of the spray bodies through the paint conveying device, and the paint input into the spray bodies is respectively sprayed from the plurality of the spray bodies and is sprayed out of the current side wall paint sprayed on the side wall paint on the side wall of the spray channels.

5. A spraying method for a side wall paint of a heat dissipation channel of an air core reactor according to any one of claims 1 to 3, characterized in that the bottom of the supporting means is provided with a plurality of universal wheels, and the positions of the plurality of spraying bodies are adjusted by moving the supporting means during spraying by the plurality of spraying bodies and when the positions of the plurality of spraying bodies need to be adjusted.