Paint spraying device for steel structure surface machining

Abstract

The invention relates to the technical field of steel structure surface machining, in particular to a paint spraying device for steel structure surface machining, which comprises a cleaning treatment main body, a paint spraying main body, a spraying limiting adjustment main body and a cleaning limiting adjustment main body, the paint spraying main body is arranged on one side of the cleaning treatment main body and located over the spraying limiting adjustment main body, the cleaning treatment main body is located over the cleaning limiting adjustment main body, and the spraying limiting adjustment main body and the cleaning limiting adjustment main body are the same in structure. A steel structure needing to be treated can be continuously and automatically conveyed and limited through the arranged spraying limiting and adjusting body and the arranged cleaning limiting and adjusting body, so that the steel structure is automatically limited and conveyed to a paint spraying area after the outer surface of the steel structure is treated, and machining of the steel structure is rapid, labor-saving and efficient; and steel structures with different sizes and thicknesses can be conveniently subjected to centering limiting and moving treatment.

Description

Technical Field

[0001] The invention relates to the technical field of steel structure surface processing, in particular to a paint spraying device used for steel structure surface processing. Background Art

[0002] The paint spraying device for surface processing of steel structures is a key equipment to ensure the corrosion resistance, rust resistance and aesthetics of steel structures. The paint spraying on the surface of steel structures plays a protective and protective role. However, the existing paint spraying device for surface processing of steel structures cannot conveniently and labor-savingly process the steel structures and then automatically and efficiently complete the paint spraying process. It cannot conveniently limit and move steel structures of different sizes, and the limit movement during the paint spraying process cannot be continuously and smoothly carried out and adjusted in real time, resulting in low paint spraying efficiency and poor paint spraying effect. The outer surface of the steel structure after painting is not smooth and tidy enough. Therefore, a device is needed to improve the above problems. Summary of the invention

[0003] In view of the problems in the prior art, the present invention provides a painting device for surface processing of steel structures.

[0004] The technical solution adopted by the present invention to solve the technical problem is: a paint spraying device for surface processing of steel structure, comprising a cleaning processing body, a paint spraying body, a spraying limit adjustment body and a cleaning limit adjustment body, wherein the cleaning limit adjustment body is arranged on one side of the spraying limit adjustment body, the paint spraying body is arranged on one side of the cleaning processing body, and the paint spraying body is located directly above the spraying limit adjustment body, the cleaning processing body is located directly above the cleaning limit adjustment body, and the spraying limit adjustment body and the cleaning limit adjustment body have the same structure;

[0005] The cleaning processing body is set up so that the surface of the steel structure entering the cleaning limit adjustment body can be quickly polished and ground, and the painting body is set up so that the steel structure entering the limit adjustment body can be evenly and quickly painted and dried.

[0006] Specifically, the cleaning limit adjustment body comprises a support sliding seat, a limit support base and a limit movement adjustment part, the bottom end of the support sliding seat is slidably connected to the limit support base, the limit movement adjustment part is arranged at the upper end of the support sliding seat, a collection placement box is placed in the middle of the upper end of the support sliding seat, carrying handles are fixedly installed at both ends of the collection placement box, a first electric push rod is fixedly installed in the middle of the outer end of the limit support base, and the front end of the first electric push rod is fixedly connected to the middle of the side end of the support sliding seat;

[0007] The support sliding seat can be controlled to slide along the limit support base through the first electric push rod, and polishing and grinding debris can be collected through the collection and placement box.

[0008] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein the support frame is provided with a pair of fixed wheels, the support frame being provided with a pair of fixed wheels respectively arranged on a pair of wheels and a pair of fixed wheels respectively arranged on the pair of wheels.

[0009] The set supporting moving wheels can make the steel structure move and transport, starting the second electric push rod can make the sliding adjustment frame slide along the limit frame plate, and starting the third electric push rod can control the lifting and lowering adjustment of the limit driving wheel, so that the clamping position of the limit driving wheel can be conveniently adjusted.

[0010] Specifically, the cleaning processing body includes a first sliding connection frame, a first limiting plate, a second sliding connection frame and a fourth electric push rod, the first sliding connection frame and the second sliding connection frame are slidably clamped on the first limiting plate, the fourth electric push rod is evenly and symmetrically fixedly installed at both ends of the first limiting plate, the driving end of the fourth electric push rod is respectively fixedly connected to the first sliding connection frame and the second sliding connection frame, the bottom ends of the first sliding connection frame and the second sliding connection frame are fixedly installed with a first sliding control horizontal plate, the first sliding control horizontal plate is slidably clamped on the bottom end of the first limiting plate, and the bottom end of the first sliding control horizontal plate is symmetrically fixedly installed with a fifth electric push rod;

[0011] The fourth electric push rod can indirectly control the reciprocating sliding movement of the first sliding control cross plate at the bottom end of the first limiting plate through the first sliding connecting frame and the second sliding connecting frame.

[0012] Specifically, the bottoms of the fifth electric push rods arranged at the bottom ends of the two first sliding control horizontal plates are respectively fixedly installed with first mounting platforms, the bottom ends of the first mounting platforms at the bottom of the first sliding connecting frame are rotatably installed with polishing columns and sand grinding columns, and one end of the sand grinding column and the polishing column is connected with a motor, the motor is fixedly installed at the side end of the first mounting platform, the bottom end of the first mounting platform arranged at the bottom of the second sliding connecting frame is symmetrically fixedly installed with a first connecting pipe through an electromagnetic valve, and an end of the first mounting platform away from the first connecting pipe is provided with an air spray slot;

[0013] The grinding sand column and the polishing column can be controlled to rotate at a uniform speed by the motor, and the grinding sand column, the polishing column and the air spray slot can be controlled to rise and fall and adjust the position for use by the fifth electric push rod.

[0014] Specifically, the paint spraying body includes a sixth electric push rod, a third sliding connecting frame, a second limiting plate and a second sliding control transverse plate, the third sliding connecting frame is slidably clamped on the second limiting plate, the sixth electric push rod is symmetrically fixedly installed at one end of the second limiting plate, the front end of the sixth electric push rod is fixedly connected to the third sliding connecting frame, the bottom end of the third sliding connecting frame is fixedly connected with the second sliding control transverse plate, and the upper end of the second sliding control transverse plate is slidably clamped on the second limiting plate, the bottom end of the second sliding control transverse plate is symmetrically fixedly installed with a seventh electric push rod, the bottom end of the seventh electric push rod is fixedly installed with a second mounting platform, the bottom end of the second mounting platform is symmetrically provided with a second connecting pipe, and the bottom end of the second mounting platform and the side away from the second connecting pipe is provided with a paint spraying tank;

[0015] The high-pressure paint liquid transported in the second connecting pipe can be sprayed evenly through the provided paint spraying tank, and the spraying area can be controlled by the provided seventh electric push rod to lift and lower the paint spraying tank.

[0016] Specifically, a drying tank is fixedly installed at the bottom end of the second mounting platform;

[0017] The drying tank is set up to quickly dry the sprayed paint.

[0018] Specifically, the side ends of the first limiting plate and the second limiting plate are both provided with fixing holes, and the bottom end of the limiting frame plate is fixedly connected to the upper end of the supporting sliding seat.

[0019] Specifically, a rubber sleeve is fixed on the outside of the position-limiting driving wheel by bolts.

[0020] Specifically, a barrier protection grid is fixedly installed at the bottom of the middle part of the limit frame plate, and guide plates are fixedly installed on both sides of the bottom end of the limit frame plate, and the guide plates are arranged below both sides of the barrier protection grid;

[0021] The guide plate provided plays a role of isolation, and the isolation protection grid provided plays a role of isolation and protection, so that the fallen steel structure can be isolated and protected and will not fall directly.

[0022] Beneficial effects of the present invention:

[0023] 1. The present invention can continuously and automatically transport and limit the steel structure to be processed by providing a spraying limit adjustment body and a cleaning limit adjustment body, so that the steel structure is automatically limited and transported to the painting area after the outer surface treatment is completed, so that the processing of the outer surface of the steel structure is fast, labor-saving and efficient, and steel structures of different sizes and thicknesses can be conveniently completed with centering limit and movement processing, thereby improving the efficiency of painting.

[0024] 2. The present invention can complete the polishing and grinding of the outer surface of the steel structure before painting through the cleaning processing body set up, so that the painting effect of the outer surface of the steel structure is good, and the drying process can be quickly achieved after painting. The excess paint liquid in the painting process can flow and be recovered. The set isolation protection grid plays the role of isolation support, so that the steel structure will not fall during the processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from the front perspective;

[0027] Figure 2 It is a schematic diagram of the side-view stereoscopic structure of the main body in the present invention;

[0028] Figure 3 It is a schematic diagram of the structure of the spraying limit adjustment body and the cleaning limit adjustment body in the present invention;

[0029] Figure 4 This is a schematic diagram of the main structure of the cleaning limit adjustment in the present invention;

[0030] Figure 5 It is a schematic diagram of the structure of the limit movement adjustment part in the present invention;

[0031] Figure 6 It is a schematic diagram of the bottom structure of the limit movement adjustment part in the present invention;

[0032] Figure 7 This is a schematic diagram of the main structure of the cleaning process in the present invention;

[0033] Figure 8 This is a schematic diagram of the bottom structure of the cleaning treatment body in the present invention;

[0034] Fig. 9 It is a schematic diagram of the main structure of the paint spraying in the present invention;

[0035] Fig.10 It is a schematic diagram of the bottom structure of the paint spraying body in the present invention.

[0036] In the figure: 1-cleaning and processing body, 2-painting body, 3-spraying limit adjustment body, 4-cleaning limit adjustment body, 5-support sliding seat, 6-limit support base, 7-carrying handle, 8-collection and placement box, 9-first electric push rod, 10-limit movement adjustment part, 11-limit driving wheel, 12-synchronous rotating wheel, 13-synchronous belt, 14-driving motor, 15-adjustment control frame, 16-fixed mounting frame, 17-second electric push rod, 18-third electric push rod, 19-sliding adjustment frame, 20-limit frame plate, 21-support moving wheel, 22-support mounting plate, 23-blocking Protection grid, 24-guide plate, 25-first sliding connecting frame, 26-first limiting plate, 27-second sliding connecting frame, 28-fourth electric push rod, 30-first mounting platform, 31-first connecting pipe, 32-air spray slot, 33-grinding column, 34-polishing column, 35-motor, 36-first sliding control horizontal plate, 37-fifth electric push rod, 38-sixth electric push rod, 39-third sliding connecting frame, 40-second limiting plate, 41-second sliding control horizontal plate, 42-seventh electric push rod, 43-paint spray tank, 44-drying tank, 45-second connecting pipe, 46-second mounting platform. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0038] The present invention is further described below in conjunction with the accompanying drawings.

[0039] Example 1

[0040] like Figure 1 , Figure 2 and Figure 3As shown, a paint spraying device for surface processing of a steel structure of the present invention comprises a cleaning treatment body 1, a paint spraying body 2, a spraying limit adjustment body 3 and a cleaning limit adjustment body 4, wherein the cleaning limit adjustment body 4 is arranged on one side of the spraying limit adjustment body 3, the paint spraying body 2 is arranged on one side of the cleaning treatment body 1, and the paint spraying body 2 is located directly above the spraying limit adjustment body 3, the cleaning treatment body 1 is located directly above the cleaning limit adjustment body 4, and the spraying limit adjustment body 3 and the cleaning limit adjustment body 4 have the same structure;

[0041] By setting up the cleaning processing body 1, the surface of the steel structure entering the cleaning limit adjustment body 4 can be quickly polished and ground, and by setting up the painting body 2, the steel structure entering the limit position in the spraying limit adjustment body 3 can be evenly and quickly sprayed and dried.

[0042] like Figure 4 As shown, the cleaning limit adjustment body 4 includes a support sliding seat 5, a limit support base 6 and a limit movement adjustment part 10. The bottom end of the support sliding seat 5 is slidably connected to the limit support base 6. The limit movement adjustment part 10 is arranged at the upper end of the support sliding seat 5. A collection and placement box 8 is placed in the middle of the upper end of the support sliding seat 5. Carrying handles 7 are fixedly installed at both ends of the collection and placement box 8. A first electric push rod 9 is fixedly installed in the middle of the outer end of the limit support base 6, and the front end of the first electric push rod 9 is fixedly connected to the middle of the side end of the support sliding seat 5.

[0043] The first electric push rod 9 can be used to control the support sliding seat 5 to slide along the limiting support base 6, and the polishing and grinding debris can be collected through the collection and placement box 8.

[0044] like Figure 5 and Figure 6As shown, the limit movement adjustment part 10 includes a limit frame plate 20, a support moving wheel 21 and a support mounting plate 22. The support mounting plate 22 is symmetrically fixedly installed on both sides of the inner part of the limit frame plate 20. The support moving wheel 21 is evenly rotatably installed on the support mounting plate 22. The two sides of the limit frame plate 20 are slidably connected with a sliding adjustment frame 19. The upper end of the sliding adjustment frame 19 is evenly fixedly installed with a third electric push rod 18. The upper end of the third electric push rod 18 is fixedly installed with an adjustment control frame 15. The middle part of the adjustment control frame 15 is fixedly installed with a driving motor 14. The adjustment control The inner end of the frame 15 is evenly rotatably mounted with a limited driving wheel 11, the upper end of the limited driving wheel 11 is fixedly mounted with a synchronous rotating wheel 12, and the synchronous rotating wheel 12 is rotatably clamped on the adjustment control frame 15, a synchronous belt 13 is arranged between the synchronous rotating wheels 12, the driving end of the driving motor 14 is fixedly connected to the upper end of the synchronous rotating wheel 12 located in the middle, and fixed mounting frames 16 are fixedly mounted on both sides of the limited frame plate 20, and second electric push rods 17 are evenly fixedly mounted on the fixed mounting frames 16, and the front end of the second electric push rod 17 is fixedly connected to the sliding adjustment frame 19;

[0045] The supporting moving wheel 21 can move and transport the steel structure, starting the second electric push rod 17 can make the sliding adjustment frame 19 slide along the limiting frame plate 20, and starting the third electric push rod 18 can control the lifting and lowering adjustment of the limiting driving wheel 11, so that the clamping position of the limiting driving wheel 11 can be conveniently adjusted.

[0046] like Figure 7 and Figure 8 As shown, the cleaning treatment body 1 includes a first sliding connection frame 25, a first limiting plate 26, a second sliding connection frame 27 and a fourth electric push rod 28. The first sliding connection frame 25 and the second sliding connection frame 27 are slidably clamped on the first limiting plate 26, and the fourth electric push rod 28 is evenly and symmetrically fixedly installed at both ends of the first limiting plate 26. The driving ends of the fourth electric push rod 28 are respectively fixedly connected to the first sliding connection frame 25 and the second sliding connection frame 27. The bottom ends of the first sliding connection frame 25 and the second sliding connection frame 27 are fixedly installed with a first sliding control horizontal plate 36, and the first sliding control horizontal plate 36 is slidably clamped on the bottom end of the first limiting plate 26. The bottom end of the first sliding control horizontal plate 36 is symmetrically fixedly installed with a fifth electric push rod 37;

[0047] The fourth electric push rod 28 can indirectly control the reciprocating sliding movement of the first sliding control cross plate 36 at the bottom end of the first limiting plate 26 through the first sliding connecting frame 25 and the second sliding connecting frame 27 .

[0048] The bottom of the fifth electric push rod 37 arranged at the bottom of the two first sliding control horizontal plates 36 is respectively fixedly installed with the first mounting platform 30, the bottom of the first mounting platform 30 at the bottom of the first sliding connecting frame 25 is rotatably installed with a polishing column 34 and a grinding sand column 33, and one end of the grinding sand column 33 and the polishing column 34 is connected to a motor 35, and the motor 35 is fixedly installed at the side end of the first mounting platform 30, and the bottom of the first mounting platform 30 arranged at the bottom of the second sliding connecting frame 27 is symmetrically fixedly installed with a first connecting pipe 31 through a solenoid valve, and an end of the first mounting platform 30 away from the first connecting pipe 31 is provided with an air injection slot 32;

[0049] The motor 35 can be used to control the uniform rotation of the grinding column 33 and the polishing column 34. The fifth electric push rod 37 can be used to control the lifting and lowering of the grinding column 33, the polishing column 34 and the air injection slot 32.

[0050] like Fig. 9 and Fig.10 As shown, the paint spraying body 2 includes a sixth electric push rod 38, a third sliding connecting frame 39, a second limit plate 40 and a second sliding control horizontal plate 41, the third sliding connecting frame 39 is slidably clamped on the second limit plate 40, the sixth electric push rod 38 is symmetrically fixedly installed at one end of the second limit plate 40, the front end of the sixth electric push rod 38 is fixedly connected to the third sliding connecting frame 39, the bottom end of the third sliding connecting frame 39 is fixedly connected with the second sliding control horizontal plate 41, and the upper end of the second sliding control horizontal plate 41 is slidably clamped on the second limit plate 40, the bottom end of the second sliding control horizontal plate 41 is symmetrically fixedly installed with a seventh electric push rod 42, the bottom end of the seventh electric push rod 42 is fixedly installed with a second mounting platform 46, the bottom end of the second mounting platform 46 is symmetrically provided with a second connecting pipe 45, and the bottom end of the second mounting platform 46 and the side away from the second connecting pipe 45 is provided with a paint spraying tank 43;

[0051] The paint spraying tank 43 can be used to spray the high-pressure paint liquid transported in the second connecting pipe 45 evenly, and the seventh electric push rod 42 can be used to control the lifting and lowering of the paint spraying tank 43 to adjust the spraying area.

[0052] A drying tank 44 is fixedly mounted on the bottom end of the second mounting platform 46;

[0053] The drying tank 44 can be provided to quickly dry the sprayed paint liquid.

[0054] The side ends of the first limiting plate 26 and the second limiting plate 40 are both provided with fixing holes, and the bottom end of the limiting frame plate 20 is fixedly connected to the upper end of the supporting sliding seat 5 to play a role of fixed support.

[0055] A rubber sleeve is fixed on the outside of the limiting driving wheel 11 by bolts to play an anti-skid and protective role.

[0056] The working principle of Example 1 is as follows: during use, the steel structure is first placed on the supporting moving wheel 21 in the cleaning limit adjustment body 4, and then the second electric push rod 17 in the cleaning limit adjustment body 4 is started to drive the sliding adjustment frame 19 to slide horizontally along the limit frame plate 20, so that the symmetrically distributed limit driving wheels 11 in the cleaning limit adjustment body 4 are squeezed and fixed with the side end surface of the steel structure placed on the supporting moving wheel 21, and according to the thickness of the steel structure, starting the third electric push rod 18 can drive the adjustment control frame 15 to rise and fall, thereby indirectly controlling the rise and fall of the limit driving wheel 11 , so that steel structures of different thicknesses can be fully squeezed and limited, and when the limit driving wheel 11 squeezes and limits the steel structure, the drive motor 14 is started to drive a synchronous rotating wheel 12 to rotate, and the rotating synchronous rotating wheel 12 can make each limit driving wheel 11 rotate synchronously through the synchronous belt 13, and the rotating limit driving wheel 11 can make the steel structure that is limited and fixed move forward and backward to adjust the position, and can make the steel structure be automatically and smoothly transported from the cleaning limit adjustment body 4 to the spraying limit adjustment body 3, so that the polishing and grinding treatment and the painting treatment can be automatically, continuously and conveniently carried out;

[0057] When the steel structure is limited and centered in the cleaning limit adjustment body 4, the fifth electric push rod 37 in the cleaning processing body 1 controls the grinding sand column 33 and the polishing column 34 to move downward to contact the outer surface of the steel structure for grinding and polishing, and the fourth electric push rod 28 can make the grinding sand column 33 and the polishing column 34 move horizontally with the help of the first sliding connecting frame 25 to fully grind and polish the outer surface of the steel structure. Similarly, the fourth electric push rod 28 can make the airflow ejected from the air nozzle slot 32 blow away the grinding debris with the help of the second sliding connecting frame 27, and the first connecting pipe 31 can make the air body blow out of the air nozzle slot 32 in real time, and the fifth electric push rod 37 can be used to So that the blowing angle of the wind body can be conveniently adjusted and controlled, the blown-away debris can be fully collected in the collection and placement box 8 through the partition of the guide plate 24. Similarly, after the steel structure is transported to the spray limit adjustment body 3, the sixth electric push rod 38 in the paint spray body 2 can move the paint tank 43 horizontally and vertically with the help of the third sliding connecting frame 39 and the seventh electric push rod 42, so that the paint mist sprayed from the paint spray tank 43 can fully spray the outer surface of the steel structure, and the paint liquid and hot air are transported to the paint spray tank 43 and the drying tank 44 through the symmetrically arranged second connecting pipe 45, so that the painted steel structure can be quickly dried in the hot air sprayed from the drying tank 44.

[0058] Example 2

[0059] On the basis of Example 1, Figure 4 , Figure 5 and Figure 6As shown, a barrier protection grid 23 is fixedly installed at the middle bottom end of the limiting frame 20 , and guide plates 24 are fixedly installed on both sides of the bottom end of the limiting frame 20 , and the guide plates 24 are arranged below both sides of the barrier protection grid 23 .

[0060] When implementing this embodiment, the guide plate 24 is provided to play a barrier role, so that the fallen debris and spray paint liquid can be fully transported to the collection and placement box 8 for collection. The barrier protection grid 23 is provided to play a barrier and protection role, so that the fallen steel structure can be blocked and protected and will not fall directly.

[0061] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A paint spraying device for surface processing of steel structures, comprising a cleaning treatment body (1), a paint spraying body (2), a spraying limit adjustment body (3) and a cleaning limit adjustment body (4), characterized in that: The cleaning limit adjustment body (4) is arranged on one side of the spraying limit adjustment body (3), the painting body (2) is arranged on one side of the cleaning treatment body (1), and the painting body (2) is located directly above the spraying limit adjustment body (3), and the cleaning treatment body (1) is located directly above the cleaning limit adjustment body (4), and the spraying limit adjustment body (3) and the cleaning limit adjustment body (4) have the same structure; The cleaning processing body (1) can polish and grind the surface of the steel structure entering the cleaning limit adjustment body (4), and the painting body (2) can dry the paint on the steel structure entering the limit adjustment body (3).

2. A paint spraying device for surface processing of steel structures according to claim 1, characterized in that: The cleaning limit adjustment body (4) comprises a support sliding seat (5), a limit support base (6) and a limit movement adjustment part (10), the bottom end of the support sliding seat (5) is slidably connected to the limit support base (6), the limit movement adjustment part (10) is arranged at the upper end of the support sliding seat (5), a collection and placement box (8) is placed in the middle of the upper end of the support sliding seat (5), and carrying handles (7) are fixedly installed at both ends of the collection and placement box (8), a first electric push rod (9) is fixedly installed in the middle of the outer end of the limit support base (6), and the front end of the first electric push rod (9) is fixedly connected to the middle of the side end of the support sliding seat (5); The first electric push rod (9) can control the support sliding seat (5) to slide along the limit support base (6), and the collection and placement box (8) can collect polishing and grinding debris.

3. A paint spraying device for surface processing of steel structures according to claim 2, characterized in that: The limit movement adjustment part (10) comprises a limit frame plate (20), a support moving wheel (21) and a support mounting plate (22), wherein the support mounting plate (22) is symmetrically fixedly mounted on both sides of the inner part of the limit frame plate (20), and the support moving wheel (21) is evenly rotatably mounted on the support mounting plate (22), and the two sides of the limit frame plate (20) are slidably clamped with a sliding adjustment frame (19), and the upper end of the sliding adjustment frame (19) is evenly fixedly mounted with a third electric push rod (18), and the upper end of the third electric push rod (18) is fixedly mounted with an adjustment control frame (15), and the middle part of the adjustment control frame (15) is fixedly mounted with a driving motor (14), and the adjustment control frame (15) is fixedly mounted with a driving motor (14), and the adjustment control frame (15) is fixedly mounted with a driving motor (14), and the driving motor (14) is fixedly mounted with the driving motor (14) ... The inner end of the limit driving wheel (11) is evenly rotatably mounted, the upper end of the limit driving wheel (11) is fixedly mounted with a synchronous rotating wheel (12), and the synchronous rotating wheel (12) is rotatably connected to the adjustment control frame (15), a synchronous belt (13) is arranged between the synchronous rotating wheels (12), the driving end of the driving motor (14) is fixedly connected to the upper end of the synchronous rotating wheel (12) located in the middle, fixed mounting frames (16) are fixedly mounted on both sides of the limit frame plate (20), a second electric push rod (17) is evenly fixedly mounted on the fixed mounting frame (16), and the front end of the second electric push rod (17) is fixedly connected to the sliding adjustment frame (19); The supporting moving wheel (21) can move and transport the steel structure, starting the second electric push rod (17) can make the sliding adjustment frame (19) slide along the limiting frame plate (20), and starting the third electric push rod (18) can control the lifting and lowering adjustment of the limiting driving wheel (11), so that the clamping use position of the limiting driving wheel (11) can be adjusted.

4. A paint spraying device for surface processing of steel structures according to claim 3, characterized in that: The cleaning processing body (1) comprises a first sliding connection frame (25), a first limiting plate (26), a second sliding connection frame (27) and a fourth electric push rod (28), wherein the first sliding connection frame (25) and the second sliding connection frame (27) are slidably clamped on the first limiting plate (26), the fourth electric push rod (28) is evenly and symmetrically fixedly installed at the two ends of the first limiting plate (26), the driving end of the fourth electric push rod (28) is respectively fixedly connected to the first sliding connection frame (25) and the second sliding connection frame (27), the bottom ends of the first sliding connection frame (25) and the second sliding connection frame (27) are fixedly installed with a first sliding control transverse plate (36), the first sliding control transverse plate (36) is slidably clamped on the bottom end of the first limiting plate (26), and the bottom end of the first sliding control transverse plate (36) is symmetrically fixedly installed with a fifth electric push rod (37); The fourth electric push rod (28) can control the first sliding control horizontal plate (36) to move back and forth at the bottom end of the first limiting plate (26).

5. A paint spraying device for surface processing of steel structures according to claim 4, characterized in that: The bottoms of the fifth electric push rods (37) arranged at the bottom ends of the two first sliding control horizontal plates (36) are respectively fixedly installed with first mounting platforms (30); the bottom ends of the first mounting platforms (30) at the bottom of the first sliding connecting frame (25) are rotatably installed with polishing columns (34) and sanding columns (33); one ends of the sanding columns (33) and the polishing columns (34) are connected with motors (35); the motors (35) are fixedly installed at the side ends of the first mounting platforms (30); the bottom ends of the first mounting platforms (30) arranged at the bottom ends of the second sliding connecting frame (27) are symmetrically fixedly installed with first connecting pipes (31) through electromagnetic valves; and the end of the first mounting platforms (30) away from the first connecting pipes (31) is provided with air spray slots (32); The motor (35) can control the grinding column (33) and the polishing column (34) to rotate, and the fifth electric push rod (37) can control the grinding column (33), the polishing column (34) and the air injection slot (32) to rise and fall.

6. A paint spraying device for surface processing of steel structures according to claim 5, characterized in that: The paint spraying body (2) comprises a sixth electric push rod (38), a third sliding connecting frame (39), a second limit plate (40) and a second sliding control cross plate (41), wherein the third sliding connecting frame (39) is slidably connected to the second limit plate (40), the sixth electric push rod (38) is symmetrically fixedly mounted on one end of the second limit plate (40), the front end of the sixth electric push rod (38) is fixedly connected to the third sliding connecting frame (39), and the bottom end of the third sliding connecting frame (39) is fixedly connected to the second sliding control cross plate (41). The second sliding control horizontal plate (41) is slidably connected to the second limit plate (40), the lower end of the second sliding control horizontal plate (41) is symmetrically fixedly mounted with a seventh electric push rod (42), the lower end of the seventh electric push rod (42) is fixedly mounted with a second mounting platform (46), the lower end of the second mounting platform (46) is symmetrically provided with a second connecting pipe (45), and the lower end of the second mounting platform (46) and the side away from the second connecting pipe (45) is provided with a paint spraying tank (43); The paint spraying tank (43) can evenly spray the high-pressure paint liquid transported in the second connecting pipe (45), and the seventh electric push rod (42) can control the lifting and lowering of the paint spraying tank (43) to adjust the spraying area.

7. A paint spraying device for surface processing of steel structures according to claim 6, characterized in that: A drying tank (44) is fixedly mounted on the bottom end of the second mounting platform (46); the drying tank (44) is used to dry the sprayed paint liquid.

8. The paint spraying device for surface processing of steel structures according to claim 7, characterized in that: The side ends of the first limiting plate (26) and the second limiting plate (40) are both provided with fixing holes, and the bottom end of the limiting frame plate (20) is fixedly connected to the upper end of the supporting sliding seat (5).

9. A paint spraying device for surface processing of steel structures according to claim 8, characterized in that: A rubber sleeve is fixedly provided on the outside of the position-limiting driving wheel (11) via bolts.

10. A paint spraying device for surface processing of steel structures according to claim 9, characterized in that: A barrier protection grid (23) is fixedly mounted on the middle bottom end of the limiting frame plate (20), and guide plates (24) are fixedly mounted on both sides of the bottom end of the limiting frame plate (20), and the guide plates (24) are arranged below both sides of the barrier protection grid (23).

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