A steel structure anti-corrosion coating repair machine

Abstract

This invention discloses a steel structure anti-corrosion coating repair machine, belonging to the field of steel structure maintenance technology. The repair machine includes a main frame and two mounting components. Each mounting component includes a base, an arc-shaped mounting body, and a movable semi-circular arc plate. A reciprocating drive is mounted on the arc-shaped mounting body, and the movable semi-circular arc plate rotates back under the action of the reciprocating drive after each half-turn around the center of the arc-shaped mounting body. The machine also includes a grinding section, a coating section, and an adjusting component. Both bases are connected to the adjusting component, which can adjust the position of the two bases relative to the steel structure. The grinding section is used to grind the outer wall of the steel structure. The coating section is located on the inner wall of the movable semi-circular arc plate in the other mounting component and is used to apply an anti-corrosion coating to the outer wall of the steel structure. This invention has a simple structure, and both the grinding and coating sections can automatically rotate and act on the outer wall of the steel structure. The anti-corrosion coating repair efficiency is high and complete, making it highly practical.

Description

Technical Field

[0001] This invention relates to the field of steel structure maintenance technology, specifically a steel structure anti-corrosion coating repair machine. Background Technology

[0002] Construction steel is widely used in the construction industry due to its high strength, good plasticity and toughness, light weight, and the advantages of steel structures such as simple fabrication, short construction period, and suitability for large spans, high heights, and heavy loads. However, steel has poor corrosion resistance and rust resistance. Economic losses due to corrosion account for approximately 4% of the national GDP annually. Corrosion of steel structures not only causes economic losses but also poses safety hazards, and engineering accidents caused by steel corrosion are commonplace. Therefore, corrosion protection treatment for steel structures has significant economic and social importance.

[0003] The steel structure contains a large number of metal pipes, which are welded together to form a framework. Because it is installed externally, the surface of the steel structure is prone to corrosion and rust over a long period of time, requiring regular surface repair. The conventional method for repairing the anti-corrosion coating on the steel structure surface is to manually grind off the oxide scale, old paint, rust and dust from the repair area with hand-held grinding tools, and then repaint it. This process is cumbersome and inefficient. Summary of the Invention

[0004] The purpose of this invention is to provide a steel structure anti-corrosion coating repair machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A steel structure anti-corrosion coating repair machine includes a main frame and two clamping components. The main frame includes a repair support and a lower support bracket. The repair support is located on top of the lower support bracket, which is mounted on a robotic arm. The two clamping components are symmetrically arranged on the repair support. The repair support is used to support the steel structure, and the steel structure passes between the two clamping components. Each clamping component includes a base portion, an arc-shaped clamping body, and a movable semi-circular arc plate. The base portion is mounted on the repair support and can slide on it. The arc-shaped clamping body is located on the base portion and has a reciprocating drive component. The movable semi-circular arc plate slides on the inner arc wall of the arc-shaped clamping body. The reciprocating drive component and the movable semi-circular arc plate are connected. The movable semi-circular arc plate is connected to the shaped plate and the reciprocating drive can drive the movable semi-circular arc plate to reciprocate around the axis of the arc-shaped clamp body. After each half-turn around the center of the arc-shaped clamp body, the movable semi-circular arc plate rotates back under the action of the reciprocating drive. It also includes a grinding part, a coating part and an adjusting part. The adjusting part is located in the main frame and both base parts are connected to the adjusting part. The adjusting part can adjust the position of the two base parts relative to the steel structure. There are multiple grinding parts, and the multiple grinding parts are circumferentially located on the inner wall of the movable semi-circular arc plate in one of the clamping parts. The grinding parts are used to grind the outer wall of the steel structure. The coating part is located on the inner wall of the movable semi-circular arc plate in another clamping part. The coating part is used to apply the anti-corrosion coating to the outer wall of the steel structure.

[0007] Based on the above technical solutions, the present invention also provides the following optional technical solutions:

[0008] In one alternative: both ends of the base are provided with sliders, and the side wall of the crossbeam of the repair bracket is provided with guide grooves. The sliders are slidably connected to the corresponding guide grooves. The adjusting component includes an adjusting screw and an adjusting motor. The adjusting screw is rotatably mounted on the repair bracket and spirally passes through both base parts. The adjusting motor is located on the side of the repair bracket and its output end is connected to one end of the adjusting screw.

[0009] In one alternative: two clearance openings are provided on the outer wall of the arc-shaped card body, with one of the clearance openings located near the upper end of the arc-shaped card body; an arc-shaped rack is provided on the outer wall of the movable semi-circular arc plate; the reciprocating drive includes two crossbar shafts, which are located outside the arc-shaped card body and are rotatably connected to the end of the arc-shaped card body; the two crossbar shafts correspond to the two clearance openings respectively, and a drive gear located outside the clearance opening is provided on the crossbar shaft; the drive gear meshes with the arc-shaped rack through the clearance opening; the two crossbar shafts are connected by a belt drive; and a power motor is connected to the end of one of the crossbar shafts.

[0010] In one alternative: the grinding part includes an elastic pressure seat and a strip-shaped grinding disc. The elastic pressure seat is elastically expandable and is fixed on the inner wall of the movable semi-circular arc plate. The strip-shaped grinding disc has an arc-shaped structure and is located on the side of the elastic pressure seat away from the movable semi-circular arc plate.

[0011] In one alternative embodiment: the coating section includes a semi-circular hollow coating plate and multiple coating pads. The semi-circular hollow coating plate is installed on the inner wall of a movable semi-circular arc plate, and the center line of the semi-circular hollow coating plate coincides with the center line of the movable semi-circular arc plate. The multiple coating pads are evenly distributed circumferentially on the inner side of the coating pads, and the coating pads are connected to the interior of the semi-circular hollow coating plate through connecting channels. The surface of the coating pads has multiple discharge ports.

[0012] In one alternative: the lower end of the semi-circular hollow coating plate is provided with a feeding port, the lower support bracket is provided with a horizontal plate and a feeding box is provided on the horizontal plate, the feeding box is provided with a guide pipe and the end of the guide pipe away from the feeding box is connected to the feeding port.

[0013] In one alternative embodiment: both ends of the repair bracket are provided with side-pressure components, each side-pressure component including a first rotating shaft and a second rotating shaft. Both the first and second rotating shafts are rotatably mounted on the repair bracket, and their axial directions are parallel to the moving direction of the card holder component. The first and second rotating shafts are connected by a gear transmission pair. Both the first and second rotating shafts are provided with side-pressure portions, which are symmetrically arranged about the center line of the repair bracket. The adjusting member is connected to the first rotating shaft of each of the two side-pressure components through a transmission structure. When the adjusting member drives one of the card holder components to move toward the center of the repair bracket, under the transmission of the transmission structure, both the first and second rotating shafts in the side-pressure components rotate in opposite directions. The side-pressure portion on the same side as the card holder component moving toward the center of the repair bracket rotates downward, while the side-pressure portion on the other side rotates upward.

[0014] In one alternative embodiment: the transmission structure includes a movable frame, a support rod, and three transmission gears. The movable frame is located on one side of the repair bracket, and an upper rack and a lower rack are respectively provided on the upper and lower walls of the inner side of the movable frame. One end of the support rod is fixedly connected to the movable frame, and the other end of the support rod is slidably connected to the main frame. The three transmission gears are respectively located on the ends of the adjusting screw and the two first rotating shafts. Two transmission gears installed on the adjusting screw and one of the first rotating shafts respectively mesh with the upper rack, and the other transmission gear meshes with the lower rack.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. In this invention, the two card holder components can be driven by the adjustment component to lean against the steel structure independently, so that the grinding part and the coating part can be alternately attached to the outer wall of the steel structure, which can quickly realize grinding and coating of anti-corrosion coating and improve repair efficiency.

[0017] 2. In this invention, both the grinding part and the coating part can rotate alternately in both directions around the outer wall of the steel structure, and rotate back after each half-turn, thereby achieving the integrity of the anti-corrosion coating repair on the outer wall of the steel structure.

[0018] 3. The invention has a simple structure. Both the grinding part and the coating part can automatically rotate and act on the outer wall of the steel structure. The anti-corrosion coating on the outer wall of the steel structure has high repair efficiency and completeness, and is highly practical. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the repair machine in one embodiment of the present invention.

[0020] Figure 2 This is a schematic diagram of the main frame structure in one embodiment of the present invention.

[0021] Figure 3 This is a schematic diagram of the back structure of the card holder component in one embodiment of the present invention.

[0022] Figure 4 This is a schematic diagram of the front structure of the card holder component in one embodiment of the present invention.

[0023] Figure 5 This is a schematic diagram of the coating part structure in one embodiment of the present invention.

[0024] Figure 6 This is a schematic diagram of the side pressure part structure in one embodiment of the present invention.

[0025] Figure reference numerals: Main frame 100, Repair bracket 110, Lower support bracket 120, Horizontal plate 130, Guide groove 140, Grinding section 200, Elastic pressure seat 210, Strip grinding disc 220, Coating section 300, Semi-circular hollow coating plate 310, Coating pressure plate 320, Connecting channel 330, Discharge port 340, Feed port 350, Adjusting component 400, Adjusting screw component 410, Adjusting motor 420, Side pressure component 500, First rotating shaft 510, Second rotating shaft 520, Gear transmission pair 530, Side pressure section 540. Fixed sleeve 541, side pressure plate 542, inclined surface 543, groove 544, top pressure roller 545, transmission structure 600, movable frame 610, upper rack 620, transmission gear part 630, support rod 640, lower rack 650, feeding box 700, guide pipe 710, card seat part 800, base part 810, arc-shaped card body 820, movable semi-circular arc plate 830, crossbar shaft 840, power motor 841, belt transmission part 850, clearance opening 860, drive gear 870, arc-shaped rack 880, slider 890. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. In the drawings or description, similar or identical parts are referred to by the same reference numerals, and in practical applications, the shape, thickness, or height of each component may be enlarged or reduced. The embodiments listed in this invention are merely illustrative and not intended to limit the scope of the invention. Any obvious modifications or changes made to this invention do not depart from the spirit and scope of the invention.

[0027] In one embodiment, such as Figures 1-4As shown, a steel structure anti-corrosion coating repair machine includes a main frame 100 and two card holder components 800. The main frame 100 includes a repair bracket 110 and a lower support bracket 120. The repair bracket 110 is located on top of the lower support bracket 120 and is mounted on a robotic arm. The two card holder components 800 are symmetrically arranged on the repair bracket 110. The repair bracket 110 is used to support the steel structure, and the steel structure passes between the two card holder components 800. Each card holder component 800 includes a base portion 810, an arc-shaped card body 820, and a movable semi-circular arc plate 830. The base portion 810 is mounted on the repair bracket 110 and can slide on the repair bracket 110. The arc-shaped card body 820 is mounted on the base portion 810 and is provided with a reciprocating drive component. The movable semi-circular arc plate 830 slides on the inner arc wall of the arc-shaped card body 820. The reciprocating drive component and the arc-shaped card body 820 are connected to the arc-shaped card body 820. The movable semi-circular arc plate 830 is connected to a reciprocating drive component that drives the movable semi-circular arc plate 830 to reciprocate around the axis of the arc-shaped clamp 820. The movable semi-circular arc plate 830 rotates back under the action of the reciprocating drive component after each half-turn around the center of the arc-shaped clamp 820. The system also includes a grinding section 200, a coating section 300, and an adjusting component 400. The adjusting component 400 is located in the main frame 100, and both base sections 810 are connected to the adjusting component 400. The component 400 can adjust the position of the two base parts 810 relative to the steel structure; the grinding part 200 is multiple and is circumferentially arranged on the inner wall of the movable semi-circular arc plate 830 in one of the mounting parts 800, and the grinding part 200 is used to grind the outer wall of the steel structure; the coating part 300 is arranged on the inner wall of the movable semi-circular arc plate 830 in another mounting part 800, and the coating part 300 is used to apply the anti-corrosion coating to the outer wall of the steel structure.

[0028] In this embodiment of the invention, the robotic arm moves the entire repair machine to the area on the surface of the steel structure to be repaired. The steel structure is located in the middle of the repair bracket 110 and between two card holder components 800. The adjusting component 400 first drives the card holder component 800 where the grinding part 200 is located to move closer to the steel structure and the card holder component 800 where the coating part 300 is located to move away from the steel structure, until the inner arc wall of the movable semi-circular arc plate 830 in the card holder component 800 contacts the outer wall of the steel structure. Then, the grinding part 200 abuts against the outer wall of the steel structure. The reciprocating drive component in the card holder component 800 drives the movable semi-circular arc plate 830 to reciprocate around its axis on the inner wall of the arc-shaped card body 820. The movable semi-circular arc plate 830 rotates back under the action of the reciprocating drive component after each half-turn around the center of the arc-shaped card body 820. Since the movable semi-circular arc plate 830 is a semi-circular structure, the movable semi-circular arc plate 830 rotates. The grinding unit 200 can make contact with the outer wall of the steel structure by rotating half a circle, thus enabling the grinding unit 200 to fully grind the repair area of ​​the outer wall of the steel structure. After the repair area of ​​the outer wall of the steel structure is ground, the adjusting component 400 drives the mounting component 800 where the grinding unit 200 is located away from the steel structure, and the mounting component 800 where the coating unit 300 is located moves closer to the steel structure, until the inner side of the coating unit 300 is in contact with the outer wall of the steel structure. The reciprocating drive component in the mounting component 800 drives the movable semi-circular arc plate 830 to reciprocate around its axis on the inner wall of the arc-shaped mounting body 820. The coating unit 300 rotates with the movable semi-circular arc plate 830. When the coating unit 300 rotates around the outer wall of the steel structure, it evenly applies the anti-corrosion coating to the outer wall of the steel structure, completing the repair of the anti-corrosion coating on the surface of the steel structure. The entire repair process is automatic and continuous, requiring no manual operation, and the repair work efficiency is high.

[0029] In one embodiment, such as Figures 1-3 As shown, both ends of the base portion 810 are provided with sliders 890, and the side wall of the crossbeam of the repair bracket 110 is provided with guide grooves 140. The sliders 890 are slidably connected to the corresponding guide grooves 140. The adjusting component 400 includes an adjusting screw 410 and an adjusting motor 420. The adjusting screw 410 is rotatably mounted on the repair bracket 110 and spirally passes through the two base portions 810. The adjusting motor 420 is located on the side of the repair bracket 110 and its output end is connected to one end of the adjusting screw 410. In this embodiment of the invention, the adjusting motor 420 drives the adjusting screw 410 to rotate. The adjusting screw 410, through spiral engagement with the two base portions 810, drives the two base portions 810 to move synchronously and in the same direction, thereby allowing the two card holder components 800 to approach the steel structure in turn.

[0030] In one embodiment, such as Figure 3 and Figure 4As shown, the outer wall of the arc-shaped clamping body 820 has two clearance openings 860, one of which is located near the upper end of the arc-shaped clamping body 820. The outer wall of the movable semi-circular arc plate 830 is provided with an arc-shaped rack 880. The reciprocating drive includes two crossbar shafts 840, which are located outside the arc-shaped clamping body 820, with their ends rotatably connected to the ends of the arc-shaped clamping body 820. The two crossbar shafts 840 correspond to the two clearance openings 860, and each crossbar shaft 840 has a drive gear 870 located outside the clearance opening 860. The drive gear 870 meshes with the arc-shaped rack 880 through the clearance opening 860. The two crossbar shafts 840 are connected by a belt drive 850. The end is connected to a power motor 841; in this embodiment of the invention, the crossbar shaft 840 is a servo motor and the rotation direction of the output shaft is controlled by a pulse signal. The crossbar shaft 840 drives one of the crossbar shafts 840 to rotate alternately in the forward and reverse directions. Under the transmission of the belt drive 850, the two crossbar shafts 840 rotate synchronously and in the same direction. The drive gear 870 rotates with the crossbar shaft 840. The rotating drive gear 870 meshes with the arc rack 880, causing the movable semi-circular arc plate 830 to rotate on the inner wall of the arc-shaped clamp 820. This enables the grinding part 200 and the coating part 300 to rotate around the outside of the steel structure. Since the two drive gears 870 are in different positions and the arc-shaped clamp 820 is a semi-circular structure, the grinding part 200 and the coating part 300 can act on the entire outer circumference of the steel structure.

[0031] In one embodiment, such as Figure 3 and Figure 4 As shown, the grinding section 200 includes an elastic pressure seat 210 and a strip-shaped grinding disc 220. The elastic pressure seat 210 is elastically expandable and contractible and is fixed on the inner wall of the movable semi-circular arc plate 830. The strip-shaped grinding disc 220 has an arc-shaped structure and is located on the side of the elastic pressure seat 210 away from the movable semi-circular arc plate 830. In this embodiment of the invention, when the inner arc wall of the strip-shaped grinding disc 220 contacts the outer wall of the steel structure, due to the elastic expansion and contraction of the elastic pressure seat 210, the strip-shaped grinding disc 220 and the outer wall of the steel structure have a certain pressure. When the strip-shaped grinding disc 220 rotates around the steel structure with the movable semi-circular arc plate 830, the inner wall of the strip-shaped grinding disc 220 can grind the outer wall of the steel structure and clean the ineffective anti-corrosion coating on the outer surface of the steel structure.

[0032] In one embodiment, such as Figure 4 and Figure 5As shown, the coating section 300 includes a semi-circular hollow coating plate 310 and multiple coating pads 320. The semi-circular hollow coating plate 310 is installed on the inner wall of the movable semi-circular arc plate 830, and the center line of the semi-circular hollow coating plate 310 coincides with the center line of the movable semi-circular arc plate 830. The multiple coating pads 320 are evenly distributed circumferentially on the inner side of the coating pads 320, and the coating pads 320 are connected to the interior of the semi-circular hollow coating plate 310 through connecting channels 330. The surface of the coating pads 320... The surface is provided with multiple discharge ports 340; in this embodiment of the invention, the semi-circular hollow coating plate 310 can rotate around the steel structure with the movable semi-circular arc plate 830, the coating plate 320 is attached to the outer wall of the steel structure, the steel structure squeezes the coating plate 320, and the anti-corrosion coating inside the semi-circular hollow coating plate 310 is sprayed out from the discharge port 340. The anti-corrosion coating is placed on the outer wall of the steel structure, and then through the relative movement of the coating plate 320 and the steel structure, the anti-corrosion coating is evenly coated on the outer wall of the steel structure.

[0033] In one embodiment, such as Figure 2 and Figure 5 As shown, the lower end of the semi-circular hollow coating plate 310 is provided with a feeding port 350, the lower support bracket 120 is provided with a horizontal plate 130 and a feeding box 700 is provided on the horizontal plate 130, the feeding box 700 is provided with a guide pipe 710 and the end of the guide pipe 710 away from the feeding box 700 is connected to the feeding port 350; in this embodiment of the invention, the feeding box 700 provides the anti-corrosion coating for the outer wall of the steel structure to the interior of the semi-circular hollow coating plate 310 through the guide pipe 710.

[0034] In one embodiment, such as Figure 1 and Figure 2As shown, both ends of the repair bracket 110 are provided with side-pressure components 500. Each side-pressure component 500 includes a first rotating shaft 510 and a second rotating shaft 520. Both the first and second rotating shafts 510 and 520 are rotatably mounted on the repair bracket 110, and their axial directions are parallel to the moving direction of the card holder component 800. The first and second rotating shafts 510 and 520 are connected by a gear transmission pair 530. Both the first and second rotating shafts 510 and 520 are provided with side-pressure components. The pressure section 540 and the two side pressure sections 540 are symmetrically arranged around the center line of the repair bracket 110. The adjusting member 400 is connected to the first rotating shaft 510 of the two side pressure members 500 respectively through the transmission structure 600. When the adjusting member 400 drives one of the card holder members 800 to move towards the center of the repair bracket 110, under the transmission of the transmission structure 600, the first rotating shaft 510 and the second rotating shaft 520 in the side pressure member 500 both rotate in opposite directions, which is consistent with the movement towards the center of the repair bracket 110. The side pressure portion 540 on the same side of the card holder component 800 rotates downward, while the side pressure portion 540 on the other side rotates upward. In this embodiment of the invention, when the adjusting member 400 drives one of the card holder components 800 to move towards the steel structure, the adjusting member 400 also drives the two side pressure components 500 to move synchronously through the transmission structure 600, that is, the first rotating shaft 510 and the second rotating shaft 520 rotate synchronously and in opposite directions, and thus the two side pressure portions 540 rotate with the first rotating shaft 510 and the second rotating shaft 520 respectively; the two side pressure portions 540 The rotation state is as follows: the side pressure part 540 on the same side of the steel structure as the card holder component 800 rotates downward, and the side pressure part 540 on the other side of the steel structure rotates upward; the upward rotating side pressure part 540 presses against the outer wall of the steel structure, thereby pressing the steel structure against the inner side of the movable semi-circular arc plate 830, so that when the movable semi-circular arc plate 830 rotates, the outer wall of the steel structure is always in contact with the grinding part 200 or coating part 300 on the inner wall of the movable semi-circular arc plate 830, ensuring the integrity of the anti-corrosion coating repair on the outer wall of the steel structure.

[0035] In one embodiment, such as Figure 2 and Figure 6As shown, the side pressure part 540 includes a fixed sleeve 541 and a side pressure plate 542. The fixed sleeve 541 is fixed on the first rotating shaft 510 or the second rotating shaft 520. One end of the side pressure plate 542 is fixedly connected to the fixed sleeve 541. The side pressure plate 542 has an inclined surface 543 on the side facing the center line of the repair bracket 110, and a groove 544 is provided on the inclined surface 543. A top pressure roller 545 with an arc-shaped apex protruding from the end face of the inclined surface 543 is provided inside the groove 544. In this embodiment of the invention, in the present invention In the embodiment, when the first rotating shaft 510 and the second rotating shaft 520 rotate, the fixed sleeve 541 and the side pressure plate 542 rotate with the first rotating shaft 510 or the second rotating shaft 520. When the side pressure plate 542 is in an upward rotating state, the inclined surface 543 is opposite to the outer wall of the steel structure, and the top pressure roller 545 is in contact with the outer wall of the steel structure. Then the top pressure roller 545 gradually squeezes the steel structure laterally, and the top pressure roller 545 can rotate freely, so that the top pressure roller 545 rolls in contact with the outer wall of the steel structure, reducing the wear of the outer wall of the steel structure.

[0036] In one embodiment, such as Figure 1-3 As shown, the transmission structure 600 includes a movable frame 610, a support rod 640, and three transmission gear parts 630. The movable frame 610 is located on one side of the repair bracket 110, and an upper rack 620 and a lower rack 650 are respectively provided on the upper and lower inner walls of the movable frame 610. One end of the support rod 640 is fixedly connected to the movable frame 610, and the other end of the support rod 640 is slidably connected to the main frame 100. The three transmission gear parts 630 are respectively located on the ends of the adjusting screw 410 and the two first rotating shafts 510. The two transmission gear parts 630 installed on the adjusting screw 410 and one of the first rotating shafts 510 are connected to the upper rack 620 and the lower rack 650, respectively. One gear 620 meshes with the other gear 630, and the other gear 630 meshes with the lower rack 650. In this embodiment of the invention, the adjusting screw 410 rotates under the drive of the adjusting motor 420. The adjusting screw 410, through the meshing of its gear 630 with the upper rack 620 and the meshing of the other two gears 630 with the upper rack 620 and the lower rack 650 respectively, causes the two first rotating shafts 510 to rotate synchronously and in opposite directions. In turn, the first rotating shaft 510 and the second rotating shaft 520 drive the side pressure part 540 on them to rotate. The upward rotating side pressure part 540 laterally clamps the steel structure to ensure the stability of the steel structure during grinding and coating.

[0037] The above embodiment provides a steel structure anti-corrosion coating repair machine. The adjusting component 400 first drives the mounting bracket 800, where the grinding part 200 is located, closer to the steel structure while the mounting bracket 800, where the coating part 300 is located, moves away from the steel structure, until the inner arc wall of the movable semi-circular arc plate 830 in the mounting bracket 800 contacts the outer wall of the steel structure; then the grinding part 200 abuts against the outer wall of the steel structure; the reciprocating drive component in the mounting bracket 800 drives the movable semi-circular arc plate 830 to reciprocate around its axis on the inner wall of the arc-shaped mounting body 820. The movable semi-circular arc plate 830 rotates back under the action of the reciprocating drive component after each half-turn around the center of the arc-shaped mounting body 820. Because the movable semi-circular arc plate 830 is a semi-circular structure, each half-turn rotation allows it to contact one ring of the outer wall of the steel structure, thus… The grinding section 200 can thoroughly grind the repair area of ​​the steel structure's outer wall. After the grinding is completed, the adjusting component 400 drives the mounting component 800, where the grinding section 200 is located, away from the steel structure, while the mounting component 800, where the coating section 300 is located, moves closer to the steel structure until the inner side of the coating section 300 is against the outer wall of the steel structure. The reciprocating drive component in the mounting component 800 drives the movable semi-circular arc plate 830 to reciprocate around its axis on the inner wall of the arc-shaped mounting body 820. The coating section 300 rotates with the movable semi-circular arc plate 830. As the coating section 300 rotates around the outer wall of the steel structure, it evenly coats the anti-corrosion coating onto the outer wall of the steel structure, completing the repair of the anti-corrosion coating on the surface of the steel structure. The entire repair process is automatic and continuous, requiring no manual operation, and the repair work is highly efficient.

[0038] The above description is merely a specific embodiment of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A steel structure anti-corrosion coating repair machine, comprising a main frame and two clamping components, wherein the main frame includes a repair bracket and a lower support bracket, the repair bracket being disposed on top of the lower support bracket and the lower support bracket being disposed on a robotic arm, the two clamping components being symmetrically disposed on the repair bracket, the repair bracket being used to support the steel structure and the steel structure passing through the space between the two clamping components; characterized in that, The card holder component includes a base, an arc-shaped card body, and a movable semi-circular arc plate; The base portion is mounted on the repair bracket and can slide on the repair bracket; The arc-shaped card body is located on the base and is equipped with a reciprocating drive component. The movable semi-circular arc plate is slidably located on the inner arc wall of the arc-shaped card body. The reciprocating drive is connected to the movable semi-circular arc plate and the reciprocating drive can drive the movable semi-circular arc plate to reciprocate around the axis of the arc-shaped card body. The movable semi-circular arc plate rotates back under the action of the reciprocating drive after each half-turn around the center of the arc-shaped card body. It also includes a polishing section, a coating section, and adjustment components; The adjusting component is located in the main frame and both base parts are connected to the adjusting component. The adjusting component can adjust the position of the two base parts relative to the steel structure. The grinding section consists of multiple grinding sections circumferentially disposed on the inner wall of a movable semi-circular arc plate in one of the card slot components. The grinding section is used to grind the outer wall of the steel structure. The coating section is located on the inner wall of the movable semi-circular arc plate in another card holder component, and the coating section is used to apply the anti-corrosion coating to the outer wall of the steel structure. Both ends of the base are provided with sliders, and the side wall of the crossbeam of the repair bracket is provided with guide grooves, and the sliders are slidably connected to the corresponding guide grooves. The adjusting component includes an adjusting screw and an adjusting motor; The adjusting screw is rotatably mounted on the repair bracket and spirally passes through both base parts. The adjusting motor is located on the side of the repair bracket and its output end is connected to one end of the adjusting screw. Two clearance openings are provided on the outer wall of the arc-shaped card body, and one of the clearance openings is located near the upper end of the arc-shaped card body; The outer wall of the movable semi-circular arc plate is provided with an arc-shaped toothed rack; The reciprocating drive includes two crossbar shafts; Two crossbars are located on the outside of the arc-shaped clamp body, and the ends of the crossbars are rotatably connected to the ends of the arc-shaped clamp body. Two crossbar shafts correspond to two clearance openings respectively, and a drive gear located outside the clearance opening is provided on the crossbar shaft. The drive gear meshes with the arc-shaped rack through the clearance opening. The two crossbar shafts are connected by a belt drive, and a power motor is connected to the end of one of the crossbar shafts. The adjusting screw drives the two base parts to move synchronously and in the same direction through a screw engagement with the two base parts, so that the two mounting components can take turns approaching the steel structure.

2. The steel structure anti-corrosion coating repair machine according to claim 1, characterized in that, The grinding section includes an elastic pressure seat and a strip-shaped grinding disc; The elastic pressure seat is elastically expandable and is fixed on the inner wall of the movable semi-circular arc plate. The strip-shaped grinding disc has an arc-shaped structure and is located on the side of the elastic pressure seat away from the movable semi-circular arc plate.

3. The steel structure anti-corrosion coating repair machine according to claim 1, characterized in that, The coating section includes a semi-circular hollow coating plate and multiple coating plates; The semi-circular hollow coating plate is installed on the inner wall of the movable semi-circular arc plate, and the center line of the semi-circular hollow coating plate coincides with the center line of the movable semi-circular arc plate. Multiple coating pads are evenly distributed circumferentially on the inner side of the coating pads, and the coating pads are connected to the interior of the semi-circular hollow coating plate through connecting channels. Multiple discharge ports are opened on the surface of the coating pads.

4. The steel structure anti-corrosion coating repair machine according to claim 3, characterized in that, The lower end of the semi-circular hollow coating plate is provided with a feeding port; The lower support bracket is provided with a horizontal plate and a feeding box is provided on the horizontal plate. The feeding box is provided with a guide pipe and the end of the guide pipe away from the feeding box is connected to the feeding port.

5. The steel structure anti-corrosion coating repair machine according to claim 4, characterized in that, Both ends of the repair bracket are equipped with side pressure components; The side-pressure component includes a first rotating shaft and a second rotating shaft; Both the first and second rotating shafts are rotatably mounted on the repair bracket, and the axial directions of the first and second rotating shafts are parallel to the moving direction of the card holder component. The first and second shafts are connected by a gear transmission pair. Both the first and second rotating shafts are provided with side pressure parts, and the two side pressure parts are symmetrically arranged with respect to the center line of the repair bracket. The adjusting component is connected to the first rotating shaft of the two side pressure parts respectively through a transmission structure. When the adjusting member drives one of the card holder components to move toward the center of the repair bracket, under the transmission of the transmission structure, the first and second rotating shafts in the side pressure component both rotate in opposite directions. The side pressure part on the same side as the card holder component moving toward the center of the repair bracket rotates downward, while the side pressure part on the other side rotates upward.

6. The steel structure anti-corrosion coating repair machine according to claim 5, characterized in that, The transmission structure includes a movable frame, a support rod, and three transmission gears. The movable frame is located on one side of the repair bracket, and an upper rack and a lower rack are respectively provided on the upper and lower walls of the inner side of the movable frame. One end of the support rod is fixedly connected to the movable frame, and the other end of the support rod is slidably connected to the main frame. The three transmission gears are respectively located on the ends of the adjusting screw and the two first rotating shafts. Two of the transmission gears mounted on the adjusting screw and one of the first rotating shafts mesh with the upper rack, and the other transmission gear meshes with the lower rack.

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