CN216755820U

CN216755820U - Dust falling device of steel structure deruster

Info

Publication number: CN216755820U
Application number: CN202122375583.4U
Authority: CN
Inventors: 吴斌; 昝长刚; 尹志国; 姚志焕; 纪茂坤
Original assignee: Tangshan Kaiao Steel Structure Co ltd
Current assignee: Tangshan Kaiao Steel Structure Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-06-17
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to the technical field of steel structure production and processing equipment, and provides a dust falling device of a steel structure deruster, which comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a third bearing seat, a first bearing seat, a second bearing seat and a deruster main body; the inside of primary shaft bearing rotates and is connected with conveyer, and the upper end fixed connection of deruster main part has power device, and the upper end of deruster main part rotates and is connected with angle adjusting device, through above-mentioned technical scheme, has solved among the prior art problem that the deruster does not possess the dust fall function, has reached the purpose of being convenient for fall dust and avoid the workman to receive the harm at the rust cleaning in-process.

Description

Dust falling device of steel structure deruster

Technical Field

The utility model relates to the technical field of steel structure production and processing equipment, in particular to a dust falling device of a steel structure derusting machine.

Background

Steel structures are structures composed of steel materials and are one of the main building structure types. The structure mainly comprises steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like, and rust removing and preventing processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like are adopted. The components or parts are usually connected by welding, bolts or rivets. Because of its light dead weight, and construction is simple and convenient, widely apply to fields such as large-scale factory building, venue, superelevation layer. The steel structure is easy to rust, and generally the steel structure needs to be derusted, galvanized or painted, and needs to be maintained regularly.

However, the conventional steel structure deruster can generate a large amount of dust when derusting steel products, and the steel structure deruster does not have the dust reduction function, so that workers can suck a large amount of dust when derusting the steel products, and the bodies of the workers can be injured for a long time.

Therefore, the utility model provides a dust falling device of a steel structure deruster, which aims to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dust falling device of a steel structure rust remover, which solves the problem of the dust falling device of the steel structure rust remover in the related technology.

The technical scheme of the utility model is as follows: a dust falling device of a steel structure deruster comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a third bearing seat, a first bearing seat, a second bearing seat and a deruster main body; the inner part of the first bearing seat is rotatably connected with a conveying device, the upper end of the deruster main body is fixedly connected with a power device, and the upper end of the deruster main body is rotatably connected with an angle adjusting device.

As a further scheme of the utility model: the lower extreme fixedly connected with supporting leg of bottom plate, the supporting leg is provided with a plurality of even distributions at the lower extreme of bottom plate, and the during operation is under the effect of supporting leg for overall device is more stable places subaerial.

As a still further scheme of the utility model: the conveying device comprises a first motor, a first driving wheel, a first driven wheel, a first belt, a conveying belt, a main winding roller, a secondary winding roller, a first rotating shaft and a fixing shaft, wherein the first rotating shaft is rotatably connected inside the first bearing seat, the circumferential surface of the first rotating shaft is fixedly connected with the main winding roller, and the front end of the first rotating shaft is fixedly connected with the first driven wheel; the upper end of the bottom plate is fixedly connected with a first motor, the output shaft end of the first motor is fixedly connected with a first driving wheel, and the first driving wheel and a first driven wheel are connected through a first belt; the rear end of the second bearing block is fixedly connected with a fixed shaft, the circumferential surface of the fixed shaft is rotatably connected with a secondary winding roller, the main winding roller is connected with the secondary winding roller through a conveying belt, when the device works, a first motor is started, a first driving wheel is driven to rotate under the action of the first motor, the first driving wheel rotates, a first driven wheel is driven to rotate under the action of a first belt, the first driven wheel rotates to drive a first rotating shaft to rotate, the first rotating shaft rotates to drive the main winding roller to rotate, the main winding roller is matched with the secondary winding roller in a rotating mode to enable the conveying belt to rotate, and the conveying belt rotates to enable the conveying belt to convey a product with a steel structure.

As a still further scheme of the utility model: the power device comprises a second motor, a second driving wheel, a second driven wheel, a second belt, a third gear and a third rotating shaft, the second motor is fixedly connected to the upper end of the deruster main body, and the second driving wheel is fixedly connected to the output shaft end of the second motor; the upper end of deruster main part is rotated and is connected with the third pivot, the upper end fixedly connected with second of third pivot is from the driving wheel, second action wheel and second are connected through the second belt from between the driving wheel, the periphery fixedly connected with third gear of third pivot, during operation, open the second motor, drive the second action wheel rotation under the effect of second motor, the second action wheel rotates and drives the second from the driving wheel rotation under the effect of second belt, the second rotates from the driving wheel and drives the rotation of third pivot, the rotation of third pivot drives the rotation of third gear, third gear rotates and gives angle adjusting device power.

As a still further scheme of the utility model: the angle adjusting device comprises a second gear, a second rocker, a second sliding hole, a first fixing column, a rack, a second rotating shaft, a first gear, a fourth rotating shaft, a first rocker, a second fixing column and a first sliding hole, the upper end of the deruster main body is rotatably connected with the second rotating shaft and the fourth rotating shaft, the upper end of the second rotating shaft is fixedly connected with the second gear, the second gear is meshed with a third gear, and the upper end of the second gear is fixedly connected with the first fixing column; the upper end of the fourth rotating shaft is fixedly connected with a first gear, the first gear is meshed with a rack, the rear end of the rack is fixedly connected with a second rocker, the upper end face of the second rocker is provided with a second sliding hole, the second sliding hole is connected with a first fixed column in a sliding manner, the circumferential surface of the fourth rotating shaft is fixedly connected with the first rocker, the upper end face of the first rocker is provided with a first sliding hole, a second fixed column is connected inside the first sliding hole in a sliding manner, the second fixed column is fixedly connected with a connecting block, during operation, the second gear is driven to rotate along with the rotation of the third gear, the second rotating shaft is driven to rotate by the second gear, meanwhile, the first fixed column is driven to rotate by the rotation of the second gear, the rack is driven to move under the matching of the second sliding hole and the second rocker, and the rack moves to enable the first gear to rotate, the first gear rotates to drive the fourth rotating shaft to rotate, the fourth rotating shaft rotates to drive the first rocker to rotate, the first rocker rotates to push the second fixing column to rotate under the action of the first sliding hole, the second fixing column rotates to drive the connecting block to rotate, the connecting block rotates to drive the connecting pipe to rotate inside the third bearing seat and the bottom plate, and the connecting pipe rotates to drive the sprinkler head to rotate, so that the purpose of adjusting the angle of the sprinkler head is achieved.

As a still further scheme of the utility model: the lower extreme fixedly connected with stopper of rack, sliding connection between stopper and the fixed strip, fixed connection between fixed strip and the deruster main part, the terminal surface shape of stopper and fixed strip is the T type, and the during operation makes the removal that the rack can be stable under the effect of stopper and fixed strip.

As a still further scheme of the utility model: the connecting block, the connecting pipe, the third bearing seat, the sprinkler head, the second gear, the second rocker, the second sliding hole, the first fixing column, the rack, the second rotating shaft, the first gear, the fourth rotating shaft, the first rocker, the second fixing column and the first sliding hole are symmetrically distributed at the upper end of the bottom plate.

As a still further scheme of the utility model: the second fixed column and the connecting pipe are not located in the same circle center, and the second fixed column and the connecting block are located at the right end of the connecting pipe.

The working principle and the beneficial effects of the utility model are as follows:

in the utility model, through the cooperation of a second motor, a second driving wheel, a second driven wheel, a second belt, a third gear, a third rotating shaft, a connecting block, a second gear, a second rocker, a second sliding hole, a first fixed column, a rack, a second rotating shaft, a first gear, a fourth rotating shaft, a first rocker, a second fixed column and a first sliding hole, the second motor is started, the second driving wheel is driven to rotate under the action of the second motor, the second driving wheel drives the second driven wheel to rotate under the action of the second belt, the second driven wheel drives the third rotating shaft to rotate, the third rotating shaft drives the third gear to rotate, the rotation of the third gear drives the second gear to rotate, the second gear drives the second rotating shaft to rotate, meanwhile, the second gear drives the first fixed column to rotate, the first fixed column drives the rack to move under the cooperation of the second sliding hole and the second rocker, rack removes and makes first gear revolve, first gear revolve drives the fourth pivot and rotates, the fourth pivot rotates and drives first rocker and rotate, first rocker rotates and promotes the rotation of second fixed column under the effect of first sliding hole, second fixed column rotates and drives the connecting block and rotates, the connecting block rotates and drives the connecting pipe and rotate at third bearing seat and bottom plate inside, the connecting pipe rotates and drives the sprinkler head and rotate, the sprinkler head has just reached angle modulation's purpose like this, utilize the sprinkler head to spray wider, at this moment, the sprinkler head can be to wider dust fall, the problem that traditional steel construction deruster does not have the dust fall function is solved, the purpose that the dust fall received the injury with the avoidance workman has been reached.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is an enlarged view of A of FIG. 1;

FIG. 3 is an enlarged view of B of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of E in FIG. 1 according to the present invention;

FIG. 5 is a schematic left-side view of the overall structure of the present invention;

FIG. 6 is an enlarged view of C of FIG. 5 according to the present invention;

FIG. 7 is an enlarged view of D in FIG. 5 according to the present invention.

In the figure: 1. a base plate; 2. supporting legs; 3. a deruster main body; 4. a conveyor belt; 5. a connecting pipe; 6. a sprinkler head; 7. a first rocker; 8. a first gear; 9. a first bearing housing; 10. a first rotating shaft; 11. a main winding roller; 12. a first drive wheel; 13. a fixing strip; 14. a first driven wheel; 15. a first belt; 16. a first motor; 17. a second bearing housing; 18. a fixed shaft; 19. a secondary winding roller; 20. a rack; 21. a second gear; 22. a second motor; 23. a second drive wheel; 24. a second belt; 25. a second driven wheel; 26. a first fixed column; 27. a second rocker; 28. a second slide hole; 29. a third gear; 30. a second rotating shaft; 31. a third rotating shaft; 32. a fourth rotating shaft; 33. connecting blocks; 34. a second fixed column; 35. a limiting block; 36. a first sliding hole; 37. and a third bearing seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.

Example 1

As shown in fig. 1 to 7, the embodiment provides a dust falling device of a steel structure rust remover, which includes a base plate 1, wherein a third bearing seat 37, a first bearing seat 9, a second bearing seat 17 and a rust remover main body 3 are fixedly connected to the upper end of the base plate 1, a connecting pipe 5 is rotatably connected to the inside of the third bearing seat 37, the connecting pipe 5 is rotatably connected to the base plate 1, a sprinkler 6 is fixedly connected to the lower end of the connecting pipe 5, and a connecting block 33 is fixedly connected to the circumferential surface of the connecting pipe 5; the inside of the first bearing seat 9 is rotatably connected with a conveying device, the upper end of the deruster main body 3 is fixedly connected with a power device, and the upper end of the deruster main body 3 is rotatably connected with an angle adjusting device.

In this example, as a further embodiment of the utility model: the lower extreme fixedly connected with supporting leg 2 of bottom plate 1, supporting leg 2 are provided with a plurality of even distributions at the lower extreme of bottom plate 1, and the during operation is under the effect of supporting leg 2 for the integrated device is more stable places subaerial.

As still further embodiments of the utility model: the conveying device comprises a first motor 16, a first driving wheel 12, a first driven wheel 14, a first belt 15, a conveying belt 4, a main winding roller 11, a secondary winding roller 19, a first rotating shaft 10 and a fixed shaft 18, wherein the first rotating shaft 10 is rotatably connected inside a first bearing seat 9, the main winding roller 11 is fixedly connected to the circumferential surface of the first rotating shaft 10, and the first driven wheel 14 is fixedly connected to the front end of the first rotating shaft 10; the upper end of the bottom plate 1 is fixedly connected with a first motor 16, the output shaft end of the first motor 16 is fixedly connected with a first driving wheel 12, and the first driving wheel 12 is connected with a first driven wheel 14 through a first belt 15; the rear end fixedly connected with fixed axle 18 of second bearing frame 17, the periphery of fixed axle 18 rotates and is connected with from winding up roller 19, main winding up roller 11 is connected through conveyer belt 4 between the winding up roller 19, in operation, start first motor 16, under the effect of first motor 16, drive first action wheel 12 and rotate, first action wheel 12 rotates, it rotates to drive first driven wheel 14 under the effect of first belt 15, first driven wheel 14 rotates and drives first pivot 10 and rotate, first pivot 10 rotates and drives main winding up roller 11 and rotates, main winding up roller 11 normal running fit is making conveyer belt 4 rotate from winding up roller 19, conveyer belt 4 rotates and makes conveyer belt 4 can convey the product of steel construction.

As still further embodiments of the utility model: the power device comprises a second motor 22, a second driving wheel 23, a second driven wheel 25, a second belt 24, a third gear 29 and a third rotating shaft 31, the upper end of the deruster main body 3 is fixedly connected with the second motor 22, and the output shaft end of the second motor 22 is fixedly connected with the second driving wheel 23; the upper end of the deruster main body 3 is rotatably connected with a third rotating shaft 31, the upper end of the third rotating shaft 31 is fixedly connected with a second driven wheel 25, a second driving wheel 23 and the second driven wheel 25 are connected through a second belt 24, the circumferential surface of the third rotating shaft 31 is fixedly connected with a third gear 29, when the deruster is in work, the second motor 22 is started, the second driving wheel 23 is driven to rotate under the action of the second motor 22, the second driving wheel 23 rotates to drive the second driven wheel 25 to rotate under the action of the second belt 24, the second driven wheel 25 rotates to drive the third rotating shaft 31 to rotate, the third rotating shaft 31 rotates to drive the third gear 29 to rotate, and the third gear 29 rotates to provide power for the angle adjusting device.

As still further embodiments of the utility model: the angle adjusting device comprises a second gear 21, a second rocker 27, a second sliding hole 28, a first fixing column 26, a rack 20, a second rotating shaft 30, a first gear 8, a fourth rotating shaft 32, a first rocker 7, a second fixing column 34 and a first sliding hole 36, the upper end of the deruster main body 3 is rotatably connected with the second rotating shaft 30 and the fourth rotating shaft 32, the upper end of the second rotating shaft 30 is fixedly connected with a second gear 21, the second gear 21 is meshed with a third gear 29, and the upper end of the second gear 21 is fixedly connected with the first fixing column 26; the upper end of the fourth rotating shaft 32 is fixedly connected with a first gear 8, the first gear 8 is meshed with a rack 20, the rear end of the rack 20 is fixedly connected with a second rocker 27, the upper end surface of the second rocker 27 is provided with a second sliding hole 28, the second sliding hole 28 is in sliding connection with the first fixed column 26, the circumferential surface of the fourth rotating shaft 32 is fixedly connected with a first rocker 7, the upper end surface of the first rocker 7 is provided with a first sliding hole 36, the inside of the first sliding hole 36 is in sliding connection with a second fixed column 34, the second fixed column 34 is fixedly connected with a connecting block 33, during operation, the second gear 21 is driven to rotate along with the rotation of the third gear 29, the second gear 21 drives the second rotating shaft 30 to rotate, meanwhile, the second gear 21 rotates to drive the first fixed column 26 to rotate, the first fixed column 26 rotates to drive the rack 20 to move under the matching of the second sliding hole 28 and the second rocker 27, the rack 20 moves to enable the first gear 8 to rotate, the first gear 8 rotates to drive the fourth rotating shaft 32 to rotate, the fourth rotating shaft 32 rotates to drive the first rocker 7 to rotate, the first rocker 7 rotates to push the second fixing column 34 to rotate under the action of the first sliding hole 36, the second fixing column 34 rotates to drive the connecting block 33 to rotate, the connecting block 33 rotates to drive the connecting pipe 5 to rotate inside the third bearing seat 37 and the bottom plate 1, the connecting pipe 5 rotates to drive the sprinkler head 6 to rotate, and therefore the purpose of angle adjustment of the sprinkler head 6 is achieved.

As still further embodiments of the utility model: the lower extreme fixedly connected with stopper 35 of rack 20, sliding connection between stopper 35 and the fixed strip 13, fixed connection between fixed strip 13 and the deruster main part 3, the terminal surface shape of stopper 35 and fixed strip 13 is the T type, and the during operation makes the removal that rack 20 can be stable under stopper 35 and fixed strip 13's effect.

As still further embodiments of the utility model: the connecting block 33, the connecting pipe 5, the third bearing seat 37, the sprinkler head 6, the second gear 21, the second rocker 27, the second sliding hole 28, the first fixing column 26, the rack 20, the second rotating shaft 30, the first gear 8, the fourth rotating shaft 32, the first rocker 7, the second fixing column 34 and the first sliding hole 36 are symmetrically distributed at the upper end of the soleplate 1, and in operation, the symmetrically distributed connecting block 33, the connecting pipe 5, the third bearing seat 37, the sprinkler head 6, the second gear 21, the second rocker 27, the second sliding hole 28, the first fixing column 26, the rack 20, the second rotating shaft 30, the first gear 8, the fourth rotating shaft 32, the first rocker 7, the second fixing column 34 and the first sliding hole 36 enable the sprinkler head 6 to spray dustfall in a larger range, so that the sprinkler head 6 can spray dustfall in a larger range.

As still further embodiments of the utility model: the second fixing column 34 and the connecting pipe 5 are not located in the same circle center, and the second fixing column 34 and the connecting block 33 are located at the right end of the connecting pipe 5, so that in operation, when the second fixing column 34 and the connecting block 33 rotate, the connecting pipe 5 can be pushed to stably rotate in the bottom plate 1.

The working principle of the utility model is as follows:

when the utility model is used, a steel structure product to be derusted is placed on a conveyor belt 4, then a first motor 16 is started, a first driving wheel 12 is driven to rotate under the action of the first motor 16, the first driving wheel 12 drives a first driven wheel 14 to rotate under the action of a first belt 15, the first driven wheel 14 drives a first rotating shaft 10 to rotate, the first rotating shaft 10 drives a main winding roller 11 to rotate, the main winding roller 11 is in rotating fit with a driven winding roller 19 to drive the conveyor belt 4 to rotate, the conveyor belt 4 can drive the steel structure product to rotate, when the steel structure product is conveyed to the lower end of a deruster main body 3, the first motor 16 is closed, the deruster main body 3 starts to derust the steel structure product, a second motor 22 is started during derusting, a second driving wheel 23 is driven to rotate under the action of the second motor 22, the second driving wheel 23 rotates to drive a second driven wheel 25 to rotate under the action of a second belt 24, the rotation of the second driven wheel 25 drives the third rotating shaft 31 to rotate, the rotation of the third rotating shaft 31 drives the third gear 29 to rotate, the rotation of the third gear 29 drives the second gear 21 to rotate, the rotation of the second gear 21 drives the second rotating shaft 30 to rotate, at the same time, the rotation of the second gear 21 drives the first fixed column 26 to rotate, the rotation of the first fixed column 26 drives the rack 20 to move under the cooperation of the second sliding hole 28 and the second rocker 27, the rack 20 moves to rotate the first gear 8, the rotation of the first gear 8 drives the fourth rotating shaft 32 to rotate, the rotation of the fourth rotating shaft 32 drives the first rocker 7 to rotate, the rotation of the first rocker 7 pushes the second fixed column 34 to rotate under the action of the first sliding hole 36, the rotation of the second fixed column 34 drives the connecting block 33 to rotate, the connecting block 33 rotates to drive the connecting pipe 5 to rotate inside the third bearing 37 and the bottom plate 1, the rotation of the connecting pipe 5 drives the sprinkler 6 to rotate, like this sprinkler 6 has just reached angle modulation's purpose, utilizes sprinkler 6 to spray wider, and at this moment sprinkler 6 can carry out the dust fall to wider, after steel structure product rust cleaning, opens first motor 16, makes conveyer belt 4 rotate under the effect of first motor 16, carries steel structure product and keeps away from deruster main part 3 under the effect of conveyer belt 4.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The dust falling device of the steel structure rust remover is characterized by comprising a base plate (1), wherein the upper end of the base plate (1) is fixedly connected with a third bearing seat (37), a first bearing seat (9), a second bearing seat (17) and a rust remover main body (3), the inside of the third bearing seat (37) is rotatably connected with a connecting pipe (5), the connecting pipe (5) is rotatably connected with the base plate (1), the lower end of the connecting pipe (5) is fixedly connected with a sprinkler head (6), and the circumferential surface of the connecting pipe (5) is fixedly connected with a connecting block (33); the inside of the first bearing seat (9) is rotatably connected with a conveying device, the upper end of the deruster main body (3) is fixedly connected with a power device, and the upper end of the deruster main body (3) is rotatably connected with an angle adjusting device.

2. The dust falling device of the steel structure rust remover according to claim 1, characterized in that the lower end of the bottom plate (1) is fixedly connected with a supporting leg (2), and the supporting leg (2) is provided with a plurality of uniformly distributed lower ends of the bottom plate (1).

3. The dust falling device of the steel structure rust remover according to claim 1, wherein the conveying device comprises a first motor (16), a first driving wheel (12), a first driven wheel (14), a first belt (15), a conveying belt (4), a main winding roller (11), a secondary winding roller (19), a first rotating shaft (10) and a fixed shaft (18), the first rotating shaft (10) is rotatably connected inside the first bearing seat (9), the main winding roller (11) is fixedly connected to the circumferential surface of the first rotating shaft (10), and the first driven wheel (14) is fixedly connected to the front end of the first rotating shaft (10); the upper end of the bottom plate (1) is fixedly connected with a first motor (16), the output shaft end of the first motor (16) is fixedly connected with a first driving wheel (12), and the first driving wheel (12) is connected with a first driven wheel (14) through a first belt (15); the rear end of the second bearing seat (17) is fixedly connected with a fixed shaft (18), the circumferential surface of the fixed shaft (18) is rotatably connected with a secondary winding roller (19), and the primary winding roller (11) is connected with the secondary winding roller (19) through a conveying belt (4).

4. The dust suppression device of the steel structure rust remover according to claim 1, wherein the power device comprises a second motor (22), a second driving wheel (23), a second driven wheel (25), a second belt (24), a third gear (29) and a third rotating shaft (31), the second motor (22) is fixedly connected to the upper end of the rust remover main body (3), and the second driving wheel (23) is fixedly connected to the output shaft end of the second motor (22); the upper end of deruster main part (3) rotates and is connected with third pivot (31), the upper end fixedly connected with second of third pivot (31) is followed driving wheel (25), connect through second belt (24) between second action wheel (23) and the second follow driving wheel (25), the periphery fixedly connected with third gear (29) of third pivot (31).

5. The dust falling device of the steel structure rust removing machine is characterized by comprising a second gear (21), a second rocker (27), a second sliding hole (28), a first fixing column (26), a rack (20), a second rotating shaft (30), a first gear (8), a fourth rotating shaft (32), a first rocker (7), a second fixing column (34) and a first sliding hole (36), wherein the upper end of the rust removing machine main body (3) is rotatably connected with the second rotating shaft (30) and the fourth rotating shaft (32), the upper end of the second rotating shaft (30) is fixedly connected with the second gear (21), the second gear (21) is meshed with the third gear (29), and the upper end of the second gear (21) is fixedly connected with the first fixing column (26); the upper end of the fourth rotating shaft (32) is fixedly connected with a first gear (8), the first gear (8) is meshed with a rack (20), the rear end of the rack (20) is fixedly connected with a second rocker (27), a second sliding hole (28) is formed in the upper end face of the second rocker (27), the second sliding hole (28) is connected with the first fixing column (26) in a sliding mode, a first rocker (7) is fixedly connected with the circumferential face of the fourth rotating shaft (32), a first sliding hole (36) is formed in the upper end face of the first rocker (7), a second fixing column (34) is connected inside the first sliding hole (36) in a sliding mode, and the second fixing column (34) is fixedly connected with the connecting block (33).

6. The dust falling device of the steel structure rust remover according to claim 5, characterized in that the lower end of the rack (20) is fixedly connected with a limiting block (35), the limiting block (35) is connected with the fixing strip (13) in a sliding manner, the fixing strip (13) is connected with the rust remover main body (3) in a fixed manner, and the limiting block (35) and the fixing strip (13) are T-shaped in end face shape.

7. The dust falling device of the steel structure rust removing machine is characterized in that the connecting block (33), the connecting pipe (5), the third bearing seat (37), the sprinkler head (6), the second gear (21), the second rocker (27), the second sliding hole (28), the first fixing column (26), the rack (20), the second rotating shaft (30), the first gear (8), the fourth rotating shaft (32), the first rocker (7), the second fixing column (34) and the first sliding hole (36) are symmetrically distributed at the upper end of the bottom plate (1).

8. The dust falling device of the steel structure rust removing machine is characterized in that the second fixing column (34) and the connecting pipe (5) are not located in the same circle center, and the second fixing column (34) and the connecting block (33) are located at the right end of the connecting pipe (5).