A rust removal device used for steel structure outer surface treatment

Abstract

The application discloses a rust removal device for steel structure outer surface treatment, which comprises a placing plate, a T-shaped steel to be processed arranged on the placing plate and a fixing frame fixedly connected to the top of the placing plate, a plurality of feeding assemblies for conveying the T-shaped steel are arranged on the placing plate in an array, each feeding assembly comprises a rotating shaft rotatably connected to the placing plate, a conveying roller is fixedly sleeved to the outer portion of the rotating shaft, a first placing groove is formed in the outer portion of the conveying roller, a second placing groove is formed in the middle of the first placing groove in a circumferential direction, a belt groove is formed in one side of the conveying roller, and a first belt is sleeved to the outer portion of the belt groove. The rust removal device can actively convey the T-shaped steel, reciprocatingly rub and remove rust from multiple surfaces of the T-shaped steel, and rotate and polish the bottom, so that high-quality and high-efficiency rust removal is ensured, and the polished rust can be blown and discharged, so that the work station is kept clean.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of tower construction, and particularly relates to a rust removal device for steel structure outer surface treatment. BACKGROUND

[0002] The tower is a support structure for supporting the conductor and the lightning conductor, and the tower of the overhead transmission line is a support structure for supporting the conductor and the lightning conductor. The conductor meets the distance limit requirements of the ground and the ground object, and can bear the load of the conductor, the lightning conductor and itself and external load.

[0003] The existing tower is generally a steel structure, and most of the steel structures adopt T-shaped steel. If the T-shaped steel is not painted in time after being produced, it is easy to rust. Before painting, the surface of the T-shaped steel needs to be treated by rust removal to ensure the quality of painting. The existing rust removal device generally adopts manual operation of a polishing device for rust removal. The manual rust removal efficiency is low, and the surface of the T-shaped steel cannot be quickly rust removed. Therefore, the rust removal device for steel structure outer surface treatment is provided. SUMMARY

[0004] In order to solve the above problems, the purpose of the present application is to provide a rust removal device for steel structure outer surface treatment. The T-shaped steel is conveyed by the feeding assembly, and the extrusion assembly is driven by the transmission assembly to work. The extrusion assembly drives the polishing plate to reciprocate. In this way, the polishing disc can efficiently polish the surface of the conveyed T-shaped steel, so as to solve the problems in the background art.

[0005] To achieve the above purpose, the rust removal device for steel structure outer surface treatment is provided, which comprises a placing plate, a T-shaped steel to be processed arranged on the placing plate, and a fixed frame fixedly connected to the top of the placing plate. A plurality of feeding assemblies for conveying the T-shaped steel are arranged on the placing plate in an array. The feeding assembly comprises a rotating shaft rotatably connected to the placing plate. A conveying roller is fixedly sleeved outside the rotating shaft. A first placing groove is formed in the outer part of the conveying roller. A second placing groove is formed in the middle of the first placing groove in a circumferential direction. A belt groove is formed in one side of the conveying roller. A first belt is sleeved outside the belt groove. A first driving motor is arranged on one side of the placing plate and used to drive the rotating shaft to rotate.

[0006] The top of the fixed frame is provided with a movable sleeve, the top of the movable sleeve is provided with a vertical plate, one side of the vertical plate is provided with an extrusion assembly connected with the fixed frame, a transmission assembly is arranged between the extrusion assembly and the feeding assembly, both sides of the movable sleeve are provided with springs, the bottom of the movable sleeve is rotatably provided with a push rod motor, one side of the push rod motor is provided with a steering assembly, the output shaft of the push rod motor is fixedly connected with a grinding plate for grinding the T-shaped steel, the outside of the grinding plate is fixedly provided with a bearing, the outside of the bearing is fixedly connected with two connecting assemblies, the connecting assemblies are fixedly connected with two pressing driving assemblies, the top of the bearing is provided with a top blowing assembly, both sides of the placing plate are provided with lateral blowing assemblies.

[0007] Preferably, the extrusion assembly comprises a positioning plate fixedly connected to the top of the fixed frame, and a positioning shaft is rotatably arranged on one side of the positioning plate.

[0008] Preferably, the transmission assembly comprises a belt pulley fixedly sleeved outside the rotating shaft and the positioning shaft, and a second belt is sleeved outside the two belt pulleys.

[0009] Preferably, the steering assembly comprises a Z-shaped rod fixedly connected to the bottom of the movable sleeve, a second driving motor is fixedly connected to the bottom end of the Z-shaped rod, a second bevel gear is fixedly connected to the output shaft of the second driving motor, a first bevel gear is fixedly sleeved outside the push rod motor, and the first bevel gear is in meshing transmission with the second bevel gear.

[0010] Preferably, the connecting assembly comprises a first fixed rod fixedly connected to the bearing, and a second fixed rod is fixedly connected to the top end of the first fixed rod.

[0011] Preferably, the pressing driving assembly comprises a movable frame fixedly connected to the second fixed rod, a horizontal shaft is rotatably arranged inside the movable frame, two driving wheels are fixedly sleeved outside the horizontal shaft, a rubber sleeve is sleeved outside the driving wheels, and a third driving motor for driving the horizontal shaft to rotate is arranged on one side of the movable frame.

[0012] Preferably, the top blowing assembly comprises a supporting plate fixedly connected to the top of the second fixed rod, a movable pipe is fixedly connected to the top of the supporting plate, and a ring-shaped blowing pipe is fixedly connected to one end of the movable pipe.

[0013] Preferably, the lateral blowing assembly comprises two connecting rods fixedly connected to the bottom of the placing plate, a gas pump is fixedly connected to the bottom end of the connecting rods, a gas inlet pipe is fixedly connected to the gas outlet of the gas pump, horizontal blowing pipes are fixedly connected to both ends of the gas inlet pipe, a plug-in pipe in communication with the horizontal blowing pipe on the left side is fixedly connected to the top of the horizontal blowing pipe on the left side, and the plug-in pipe is sleeved inside the movable pipe.

[0014] Preferably, the placing plate is provided with a blanking hole, a receiving box is arranged below the blanking hole, and air blowing holes are arranged on both sides of the placing plate.

[0015] Preferably, the top of the fixed frame is provided with a movable hole, and a movable block is slidingly arranged in the movable hole; and a guide hole is arranged on one side of the fixed frame along the height direction, and a movable pipe penetrates the guide hole.

[0016] The rust removal device for steel structure outer surface treatment can bring the following beneficial effects:

[0017] The T-shaped steel is conveyed through the feeding assembly, and the push rod motor drives the polishing plate and the pressing driving assembly to press on the T-shaped steel, so that the T-shaped steel is stably conveyed in cooperation with the feeding assembly; the feeding assembly drives the extrusion assembly to work through the transmission assembly, and the extrusion assembly drives the polishing plate to reciprocatingly move, so that the polishing plate rubs and removes rust on the T-shaped steel, and multiple surfaces of the T-shaped steel are polished and rusted, improving the rust removal efficiency;

[0018] The polishing plate can be turned and adjusted in position through the turning assembly, and the push rod motor can adjust the height of the polishing plate, so that the T-shaped steel turned over is conveniently polished and rusted, and the polishing plate can also be driven to rotate and polish, so that the polishing mode is changed;

[0019] The top blowing assembly and the lateral blowing assembly conveniently blow the polishing debris and rust marks into the receiving box for timely recovery, so that subsequent manual cleaning is not required;

[0020] In summary, the present scheme has simple structure and novel design, can actively convey the T-shaped steel, conveniently reciprocally rub and remove rust on multiple surfaces of the T-shaped steel, and also rotate and polish the bottom, so that high-quality and efficient rust removal is ensured, and the polished rust marks can be blown and discharged, ensuring the cleanliness of the work station. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings, which are included to provide a further understanding of the application and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. The detailed description of the application serves to explain the application and is not intended to limit the application in any way.

[0022] In the drawings:

[0023] Figure 1 The figure is a front view of the structure of the present application.

[0024] Figure 2 The figure is a side view of the structure of the present application.

[0025] Figure 3 The figure is a top view of the structure of the present application.

[0026] Figure 4 It is a top view structural schematic diagram of the present application.

[0027] Figure 5 It is a bottom view structural schematic diagram of the present application.

[0028] Figure 6 It is a structural schematic diagram of the fixed frame and extrusion assembly of the present application.

[0029] Figure 7 It is a structural schematic diagram of the placing plate of the present application.

[0030] Figure 8 It is a structural schematic diagram of the connecting assembly and polishing plate of the present application.

[0031] Figure 9 It is a structural schematic diagram of the feeding assembly of the present application.

[0032] In the figure: 1 placing plate, 2 blanking hole, 3 air blowing hole, 4 feeding assembly, 401 rotating shaft, 402 conveying roller, 403 first placing groove, 404 second placing groove, 405 belt groove, 5 first belt, 6 T-shaped steel, 7 first driving motor, 8 fixed frame, 9 movable block, 10 vertical plate, 11 spring, 12 push rod motor, 13 first bevel gear, 14 second driving motor, 15 second bevel gear, 16 polishing plate, 17 bearing, 18 first fixed rod, 19 second fixed rod, 20 movable frame, 21 horizontal shaft, 22 driving wheel, 23 movable pipe, 24 annular air blowing pipe, 25 plug-in pipe, 26 air pump, 27 air inlet pipe, 28 horizontal air blowing pipe, 29 positioning plate, 30 positioning shaft, 31 extrusion block, 32 belt pulley, 33 second belt, 34 material receiving box, 35 third driving motor. DETAILED DESCRIPTION

[0033] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail with reference to the accompanying drawings.

[0034] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0035] In addition, the terms "first", "second", "third", etc. are used herein only to describe different instances, and are not used to indicate or imply relative importance or a number of indicated technical features. Thus, the features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0036] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection, or communication; it can be directly connected, or indirectly connected through intermediate medium, or the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. In the description of the present application, the description of the terms "one scheme", "some schemes", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more schemes or examples in a suitable manner.

[0038] As shown in Figures 1-9 The embodiment of the present application proposes a rust removal device for steel structure outer surface treatment, which comprises a placing plate 1, a T-shaped steel 6 to be processed arranged on the placing plate 1, a fixed frame 8 fixedly connected to the top of the placing plate 1, a plurality of feeding assemblies 4 arranged on the placing plate 1 and used for conveying the T-shaped steel 6, each feeding assembly 4 comprising a rotating shaft 401 rotatably connected to the placing plate 1, a conveying roller 402 fixedly sleeved outside the rotating shaft 401, a first placing groove 403 formed in the outer part of the conveying roller 402, a second placing groove 404 formed in the middle of the first placing groove 403 in a circumferential direction, a belt groove 405 formed in one side of the conveying roller 402, a first belt 5 sleeved outside the belt groove 405, a first driving motor 7 arranged on one side of the placing plate 1 and used for driving the rotating shaft 401 to rotate, the first driving motor 7 drives the rotating shaft 401 to rotate, and the rotating shaft 401 drives the conveying roller 402 to rotate, and the first placing groove 403 and the second placing groove 404 on the conveying roller 402 facilitate the conveying of T-shaped steels 6 in different states;

[0039] The top of the fixed frame 8 is movably sleeved with a movable block 9, the top of the movable block 9 is provided with a vertical plate 10, one side of the vertical plate 10 is provided with an extrusion assembly connected with the fixed frame 8, a transmission assembly is arranged between the extrusion assembly and the feeding assembly 4, both sides of the movable block 9 are provided with springs 11, the bottom of the movable block 9 is rotatably provided with a push rod motor 12, one side of the push rod motor 12 is provided with a steering assembly, the output shaft of the push rod motor 12 is fixedly connected with a grinding plate 16 for grinding the T-shaped steel 6, the outside of the grinding plate 16 is fixedly sleeved with a bearing 17, the outside of the bearing 17 is fixedly connected with two connecting assemblies, the connecting assemblies are fixedly connected with two pressing driving assemblies, the top of the bearing 17 is provided with a top blowing assembly, both sides of the placing plate 1 are provided with lateral blowing assemblies, when the rotating shaft 401 rotates, the extrusion assembly is also driven to work through the transmission assembly, the extrusion assembly reciprocatingly extrudes the vertical plate 10, under the elastic force of the springs 11, the movable block 9 is driven to reciprocate, the movable block 9 drives the grinding plate 16 to reciprocate through the push rod motor 12, so that the grinding plate 16 can comprehensively grind the upper side of the T-shaped steel 6, and the T-shaped steel 6 can be turned over to be conveyed in the second placing groove 404 to grind the bottom of the T-shaped steel 6, when grinding, the grinding plate 16 is lifted through the push rod motor 12, and the pressing driving assembly facilitates pressing the T-shaped steel 6 on the feeding assembly 4, so that the T-shaped steel 6 is conveniently conveyed, ground and rusted.

[0040] As shown in Figure 4 The extrusion assembly includes a positioning plate 29 fixedly connected to the top of the fixed frame 8, one side of the positioning plate 29 is rotatably provided with a positioning shaft 30, the outside of the positioning shaft 30 is fixedly sleeved with an extrusion block 31, the positioning shaft 30 drives the extrusion block 31 to rotate, so that the extrusion block 31 intermittently extrudes the vertical plate 10.

[0041] As shown in Figure 4 The transmission assembly includes a belt pulley 32 fixedly sleeved outside the rotating shaft 401 and the positioning shaft 30, the outside of the two belt pulleys 32 is sleeved with a second belt 33, the belt pulley 32 and the second belt 33 drive the rotating shaft 401 and the positioning shaft 30 to rotate.

[0042] As shown in Figure 2 The steering assembly includes a Z-shaped rod fixedly connected to the bottom of the movable block 9, the bottom end of the Z-shaped rod is fixedly connected with a second driving motor 14, the output shaft of the second driving motor 14 is fixedly connected with a second bevel gear 15, the outside of the push rod motor 12 is fixedly sleeved with a first bevel gear 13, and the first bevel gear 13 is in meshing transmission with the second bevel gear 15, the second driving motor 14 can drive the second bevel gear 15 to rotate, the second bevel gear 15 drives the first bevel gear 13 in meshing transmission therewith to rotate, the first bevel gear 13 drives the push rod motor 12 and the grinding plate 16 to rotate by 90 degrees to adjust the direction, and can also continuously drive the push rod motor 12 and the grinding plate 16 to rotate to grind and rust.

[0043] As Figure 8 shown, the connecting assembly comprises a first fixed rod 18 fixedly connected to the bearing 17, a top end of the first fixed rod 18 is fixedly connected with a second fixed rod 19, and the first fixed rod 18 and the second fixed rod 19 can drive the pressing driving assembly to ascend and descend with the bearing 17.

[0044] As Figure 4 shown, the pressing driving assembly comprises a movable frame 20 fixedly connected to the second fixed rod 19, a horizontal shaft 21 is rotatably arranged in the movable frame 20, two driving wheels 22 are fixedly sleeved on the outside of the horizontal shaft 21, a rubber sleeve is sleeved on the outside of the driving wheel 22, a third driving motor 35 for driving the horizontal shaft 21 to rotate is arranged on one side of the movable frame 20, the third driving motor 35 drives the horizontal shaft 21 to rotate, the horizontal shaft 21 drives the driving wheel 22 to rotate, and the driving wheel 22 drives the T-shaped steel 6 to feed.

[0045] As Figure 1 shown, the top blowing assembly comprises a support plate fixedly connected to the top of the second fixed rod 19, the support plate is fixedly connected with a movable pipe 23 at the top, one end of the movable pipe 23 is fixedly connected with an annular blowing pipe 24, air enters the movable pipe 23 through the lateral blowing assembly, and is finally blown out of the annular blowing pipe 24, so that air can be blown downward from the top.

[0046] As Figure 1 shown, the lateral blowing assembly comprises two connecting rods fixedly connected to the bottom of the placing plate 1, the bottom end of the connecting rod is fixedly connected with an air pump 26, the air outlet of the air pump 26 is fixedly connected with an air inlet pipe 27, both ends of the air inlet pipe 27 are fixedly connected with horizontal blowing pipes 28, the top of the horizontal blowing pipe 28 on the left side is fixedly connected with a plug-in pipe 25 in communication therewith, and the plug-in pipe 25 is sleeved in the movable pipe 23, the air pump 26 blows air into the horizontal blowing pipe 28 through the air inlet pipe 27, and also blows air into the movable pipe 23 through the plug-in pipe 25.

[0047] As Figure 7 shown, the placing plate 1 is provided with a blanking hole 2, and a receiving box 34 is arranged below the blanking hole 2, air blowing holes 3 are arranged on both sides of the placing plate 1, and the horizontal blowing pipes 28 blow down the rust marks and waste scraps through the blanking hole 2 into the receiving box 34 through the air blowing holes 3.

[0048] Preferably, the top of the fixed frame 8 is provided with a movable hole, and the movable block 9 is slidingly arranged in the movable hole, a guide hole is formed in the fixed frame 8 along the height direction of the fixed frame 8, and the movable pipe 23 penetrates the guide hole.

[0049] Working principle: first, the upper side of the T-shaped steel 6 is rusted, as Figure 4As shown, the T-shaped steel 6 is horizontally placed in the first placing groove 403, at this time the push rod motor 12 drives the polishing plate 16 to tightly adhere to the surface of the T-shaped steel 6, and the bearing 17 also drives the compression driving assembly to be compressed on the T-shaped steel 6 through the first fixing rod 18 and the second fixing rod 19, the driving wheel 22 on the compression driving assembly is tightly compressed on the T-shaped steel 6, at this time the first driving motor 7 and the third driving motor 35 drive the rotating shaft 401 and the horizontal shaft 21 to rotate respectively, the rotating shaft 401 drives the feeding roller 402 to rotate, and the horizontal shaft 21 drives the driving wheel 22 to rotate, so that the T-shaped steel 6 is driven to move and feed under the driving of the feeding roller 402 and the driving wheel 22, and the rotating shaft 401 drives the positioning shaft 30 to rotate through the belt pulley 32 and the second belt 33, the positioning shaft 30 drives the extrusion block 31 to rotate, the extrusion block 31 reciprocatingly extrudes the vertical plate 10, and the vertical plate 10 and the movable block 9 reciprocatingly move under the elastic force of the spring 11, so that the movable block 9 reciprocatingly moves through the push rod motor 12 and the polishing plate 16, so that the polishing plate 16 reciprocatingly rubs on the T-shaped steel 6 to remove rust, thereby realizing simultaneous polishing and rust removal of the top two planes and the vertical plane of the T-shaped steel 6, when removing rust, the air pump 26 blows air into the horizontal air blowing pipe 28 through the air inlet pipe 27, and can also blow air into the movable pipe 23 through the plug-in pipe 25, the horizontal air blowing pipe 28 blows the fallen rust and waste through the air blowing hole 3 into the receiving box 34 through the material falling hole 2, and the air enters the annular air blowing pipe 24 from the movable pipe 23 and is blown out, so that the air is blown downward from the top, thereby facilitating the blowing and discharging of the waste on the surface of the T-shaped steel 6, and thus the rust removal on the upper side of the T-shaped steel 6 is completed.

[0050] When the bottom of the T-shaped steel 6 is rusted, the bearing 17 and the polishing plate 16 are first lifted by the push rod motor 12, and the compression driving assembly is lifted by the bearing 17 through the first fixing rod 18 and the second fixing rod 19, at this time the T-shaped steel 6 is turned over by 180 degrees so that the T-shaped steel 6 is in the second placing groove 404, and the second driving motor 14 can drive the second bevel gear 15 to rotate, the second bevel gear 15 drives the first bevel gear 13 engaged therewith to rotate, the first bevel gear 13 drives the push rod motor 12 and the polishing plate 16 to rotate by 90 degrees to adjust the direction, and can also continuously drive the push rod motor 12 and the polishing plate 16 to rotate to polish and remove rust, when the push rod motor 12 and the polishing plate 16 rotate by 90 degrees, the push rod motor 12 drives the polishing plate 16 and the driving wheel 22 to be compressed on the T-shaped steel 6, so that the above operation is repeated to drive the T-shaped steel 6 to feed and polish and remove rust, and the polishing plate 16 also reciprocatingly rubs on the T-shaped steel 6 to remove rust, and the push rod motor 12 and the polishing plate 16 can also be continuously driven to rotate by the second driving motor 14, so that the polishing plate 16 continuously rotates to polish and remove rust of the T-shaped steel 6, so that high-quality and efficient polishing and rust removal of the T-shaped steel 6 can be realized as needed.

[0051] The various embodiments described in this specification are intended to be exemplary only. The same elements having the same reference numerals designate the same elements throughout the various embodiments. Each embodiment described in this specification is intended to be exemplary only. The same elements having the same reference numerals designate the same elements throughout the various embodiments. Each embodiment described in this specification is intended to be exemplary only, and each embodiment highlights the differences from other embodiments. In particular, the system embodiments are described more simply, as they are substantially similar to the method embodiments, and reference is made to the relevant parts of the method embodiments.

[0052] The above description is merely illustrative of the embodiments of the present application and is not intended to limit the present application. The present application can be modified and changed in various ways 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 scope of the claims of the present application.

Claims

1. A rust removal device for steel structure outer surface treatment, comprising a placing plate (1), a T-shaped steel (6) to be processed is arranged on the placing plate (1), and a fixed frame (8) is fixedly connected to the top of the placing plate (1), characterized in that, The placing plate (1) is provided with a plurality of feeding assemblies (4) for conveying T-shaped steel (6), the feeding assembly (4) comprises a rotating shaft (401) rotatably connected with the placing plate (1), a conveying roller (402) is fixedly sleeved on the outside of the rotating shaft (401), a first placing groove (403) is formed on the outside of the conveying roller (402), a second placing groove (404) is formed in the middle of the first placing groove (403) in the circumferential direction, a belt groove (405) is formed on one side of the conveying roller (402), a first belt (5) is sleeved on the outside of the belt groove (405), and a first driving motor (7) is arranged on one side of the placing plate (1) for driving the rotating shaft (401) to rotate; A movable block (9) is movably sleeved on the top of the fixed frame (8), a vertical plate (10) is arranged on the top of the movable block (9), an extrusion assembly is arranged on one side of the vertical plate (10) and connected with the fixed frame (8), a transmission assembly is arranged between the extrusion assembly and the feeding assembly (4), springs (11) are arranged on both sides of the movable block (9), a push rod motor (12) is rotatably arranged on the bottom of the movable block (9), a steering assembly is arranged on one side of the push rod motor (12), a grinding plate (16) for grinding the T-shaped steel (6) is fixedly connected to the output shaft of the push rod motor (12), a bearing (17) is fixedly sleeved on the outside of the grinding plate (16), two connecting assemblies are fixedly connected to the outside of the bearing (17), two pressing driving assemblies are fixedly connected to the connecting assemblies, a top blowing assembly is arranged above the bearing (17), and lateral blowing assemblies are arranged on both sides of the placing plate (1); The extrusion assembly comprises a positioning plate (29) fixedly connected to the top of the fixed frame (8), and a positioning shaft (30) is rotatably arranged on one side of the positioning plate (29), and an extrusion block (31) is fixedly sleeved on the outside of the positioning shaft (30); The transmission assembly comprises a belt pulley (32) fixedly sleeved on the outside of the rotating shaft (401) and the positioning shaft (30), and a second belt (33) is sleeved on the outside of the two belt pulleys (32); The steering assembly comprises a Z-shaped rod fixedly connected to the bottom of the movable block (9), a second driving motor (14) is fixedly connected to the bottom end of the Z-shaped rod, a second bevel gear (15) is fixedly connected to the output shaft of the second driving motor (14), a first bevel gear (13) is fixedly sleeved on the outside of the push rod motor (12), and the first bevel gear (13) is in meshing transmission with the second bevel gear (15); The connecting assembly comprises a first fixed rod (18) fixedly connected to the bearing (17), and a second fixed rod (19) is fixedly connected to the top end of the first fixed rod (18). The pressing driving assembly comprises a movable frame (20) fixedly connected to the second fixing rod (19), a horizontal shaft (21) is rotatably arranged in the movable frame (20), two driving wheels (22) are fixedly arranged on the outer portion of the horizontal shaft (21), a rubber sleeve is arranged on the outer portion of the driving wheels (22), and a third driving motor (35) is arranged on one side of the movable frame (20) and used for driving the horizontal shaft (21) to rotate.

2. The rust removal device for use in the outer surface treatment of a steel structure according to claim 1, characterized by The top blowing assembly comprises a supporting plate fixedly connected to the top of the second fixing rod (19), and an active pipe (23) is fixedly connected to the top of the supporting plate.

3. The rust removal device for use in the outer surface treatment of a steel structure according to claim 2, characterized by The lateral blowing assembly comprises two connecting rods fixedly connected to the bottom of the placing plate (1), an air pump (26) is fixedly connected to the bottom end of the connecting rod, an air inlet pipe (27) is fixedly connected to the air outlet of the air pump (26), horizontal blowing pipes (28) are fixedly connected to the two ends of the air inlet pipe (27), and a plug-in pipe (25) is fixedly connected to the top of the horizontal blowing pipe (28) on the left side and in communication with the plug-in pipe (25), and the plug-in pipe (25) is sleeved in the active pipe (23).

4. The rust removal device for use in the outer surface treatment of a steel structure according to claim 3, characterized by A blanking hole (2) is formed in the placing plate (1), and a receiving box (34) is arranged below the blanking hole (2).

5. The rust removal device for use in the outer surface treatment of a steel structure according to claim 4, characterized by An active hole is formed in the top of the fixed frame (8), and the movable block (9) is slidably arranged in the active hole; a guide hole is formed in one side of the fixed frame (8) along the height direction of the fixed frame (8), and the active pipe (23) penetrates through the guide hole.

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