Anticorrosion and derusting robot for metal pipeline

Abstract

The invention relates to the technical field of pipeline treatment, in particular to a metal pipeline corrosion prevention and rust removal robot which comprises a driving shaft, a driven shaft is arranged on one side of the driving shaft, the driving shaft and the driven shaft are connected through a connecting frame, and the metal pipeline corrosion prevention and rust removal robot further comprises multiple sets of guide assemblies arranged on the driving shaft and the driven shaft; the detector is mounted at one end of the driven shaft; the rust removal assembly is arranged on the driven shaft; the clutch assembly is arranged between the driven shaft and the driving shaft; according to the robot, the clutch assembly is arranged between the spraying assembly and the rust removal assembly, the non-return assembly is arranged on the clutch assembly, when the robot moves along the inner wall of the pipeline and rust removal is needed, a scraper plate is opened outwards, the clutch assembly is closed, and after the clutch assembly is closed, the scraper plate continues to move outwards; when the scraper moves inwards, the non-return assembly is pushed, the non-return assembly is shrunk firstly, in this way, when the scraper moves inwards, the clutch assembly is opened, and the stroke is saved.

Description

Technical Field

[0001] The invention relates to the technical field of pipeline processing, and in particular to a metal pipeline anti-corrosion and rust removal robot. Background Art

[0002] In modern life, pipelines are widely used, such as heating pipelines, water supply pipelines, etc. Pipeline transmission lines are usually formed by welding several standard lengths of steel pipes in sequence. Depending on the different conveying media, the inner wall of the pipeline needs to be treated differently. For example, if the conveying medium is corrosive and will corrode the pipeline after long-term use, causing pipeline damage, the inner wall of the pipeline needs to be treated with anti-corrosion, that is, the steel pipe is sprayed with an anti-corrosion coating on its inner wall before use.

[0003] However, before the anti-corrosion treatment of the steel pipe, it is necessary to remove the rust inside. The known rust removal machines include manual angle grinders and shot blasting rust removal machines. For pipeline rust removal, manual angle grinders are generally used for rust removal, which is insufficiently lubricated and often damaged, causing unsafe hidden dangers and occupational health hazards to construction workers. The labor cost is high and the rust removal efficiency is relatively low. Summary of the invention

[0004] The purpose of the present invention is to solve the above-mentioned deficiencies and provide a metal pipeline anti-corrosion and rust removal robot.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A metal pipeline anti-corrosion and rust removal robot comprises a driving shaft, a driven shaft is arranged on one side of the driving shaft, the driving shaft and the driven shaft are connected via a connecting frame, and further comprises:

[0007] A plurality of guide components are arranged on the driving shaft and the driven shaft, and are used to drive the driving shaft and the driven shaft to move;

[0008] A barrel is arranged on the driving shaft, and a spray head is arranged on the barrel for spraying the anticorrosive agent on the inner wall of the pipeline;

[0009] The detector is installed at one end of the driven shaft and is used to detect the condition of the inner wall of the pipeline;

[0010] A rust removal component is arranged on the driven shaft and is used to remove rust from the inside of the pipeline;

[0011] The clutch assembly is arranged between the driven shaft and the driving shaft and is used for transmission connection between the driven shaft and the driving shaft.

[0012] Furthermore, a connecting rod is provided in the driven shaft, and the rust removal assembly includes a movable block, a telescopic frame is provided on the top of the movable block, a scraper is provided on the top of the telescopic frame, movable rods are rotatably provided at both ends of the movable block, a first movable slider is rotatably provided on the movable rod on one side, and a second movable slider is rotatably provided on the movable rod on the other side, and the first movable slider and the second movable slider are slidably connected to the connecting rod, and a hydraulic rod is provided on one side of the first movable slider.

[0013] Furthermore, the connecting rod includes a sliding rod fixedly connected to the driven shaft, a first movable slider is slidably connected to the sliding rod, a bidirectional threaded rod is rotatably provided at one end of the sliding rod, the second movable slider is threadably connected to the bidirectional threaded rod, and the clutch assembly is sleeved on one end of the bidirectional threaded rod away from the second movable slider.

[0014] Furthermore, the telescopic frame includes a fixed sleeve fixed on the movable block, a telescopic rod connected to the scraper is slidably arranged in the fixed sleeve, and a telescopic spring sleeved on the telescopic rod is arranged between the scraper and the fixed sleeve.

[0015] Furthermore, a support frame is sleeved on the driven shaft, and a guide rod connected to the movable block is slidably arranged in the support frame.

[0016] Furthermore, the clutch assembly includes a non-return driving member sleeved on a bidirectional threaded rod, a gear is provided at one end of the non-return driving member, a limit gear ring is provided on one side of the gear, and the limit gear ring is fixedly connected to the drive shaft, and a non-return release assembly is also provided on the non-return driving member.

[0017] Furthermore, the anti-return drive component includes a clutch slider sleeved on the bidirectional threaded rod, a telescopic sleeve is slidably arranged in the clutch slider, a return spring is arranged on one side of the telescopic sleeve located in the clutch slider, and an anti-return component is also arranged between the clutch slider and the telescopic sleeve.

[0018] Furthermore, the anti-return component includes a first position-limiting tooth plate fixed on the clutch slider, a second position-limiting tooth plate is arranged on the telescopic sleeve, and the second position-limiting tooth plate is engaged with the first position-limiting tooth plate.

[0019] Furthermore, the anti-return release assembly includes a fixed plate fixed on the clutch slider, a pull rod is movably arranged in the fixed plate, and a lifting slider connected to the pull rod is arranged on the first limit tooth plate.

[0020] Furthermore, the guide assembly includes a mounting frame sleeved on the driving shaft or the driven shaft, and four vertical plates are arranged on the mounting frame. An insertion rod is slidably arranged in the vertical plate, a guide wheel is arranged at one end of the insertion rod away from the vertical plate, a positioning rod is arranged on the side wall of the vertical plate, and the insertion rod is fixedly connected to the vertical plate through the positioning rod.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The present invention provides a clutch assembly between the spray assembly and the rust removal assembly, and a non-return assembly on the clutch assembly. When the robot moves along the inner wall of the pipeline and finds that rust removal is needed, the scraper opens outward and the clutch assembly closes. Moreover, after the clutch assembly is closed, the scraper continues to move outward, which pushes the non-return assembly, causing the non-return assembly to shrink first. In this way, when the scraper moves inward, the clutch assembly will open without the need for the scraper to move inward to its original position, thereby saving travel. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0024] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0025] Figure 2 is a cross-sectional view of the rust removal assembly of the present invention;

[0026] Figure 3 It is a structural schematic diagram of the guide assembly of the present invention;

[0027] Figure 4 It is a structural schematic diagram of the rust removal assembly of the present invention;

[0028] Figure 5 It is a structural schematic diagram of the clutch assembly of the present invention;

[0029] Figure 6 It is a schematic diagram of the expansion of the anti-return driving member of the present invention.

[0030] In the figure: 1, driving shaft; 2, driven shaft; 3, connecting frame; 4, guide assembly; 41, mounting frame; 42, vertical plate; 43, plug rod; 44, guide wheel; 45, positioning rod; 5, barrel; 51, nozzle; 6, detector; 7, connecting rod; 71, slide rod; 72, two-way threaded rod; 8, rust removal assembly; 81, movable block; 82, telescopic frame; 821, fixed sleeve; 822, telescopic rod; 823, telescopic spring; 83, scraper; 8 4. Movable rod; 85. First movable slider; 86. Second movable slider; 87. Support frame; 88. Guide rod; 9. Clutch assembly; 91. Anti-return drive member; 911. Clutch slider; 912. Telescopic sleeve; 913. Reset spring; 914. First limit tooth plate; 9141. Lifting slider; 915. Second limit tooth plate; 92. Gear; 93. Limit tooth ring; 94. Anti-return release assembly; 941. Fixed plate; 942. Pull rod. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0032] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0033] Reference Figure 1-Figure 6 As shown, a metal pipeline anti-corrosion and rust removal robot includes a driving shaft 1, a driven shaft 2 is arranged at one end of the driving shaft 1, and a motor for driving is arranged at the other end, the driving shaft 1 and the driven shaft 2 are connected by a connecting frame 3, and also includes:

[0034] A plurality of guide components 4 are arranged on the driving shaft 1 and the driven shaft 2, and are used to drive the driving shaft 1 and the driven shaft 2 to move. The guide components 4 have a telescopic structure, which can be adjusted according to the inner diameter of the metal pipe and closely attached to the inner wall of the metal pipe;

[0035] The barrel 5 is filled with an anti-corrosion agent and is disposed on the driving shaft 1. The barrel 5 is provided with a spray head 51 for spraying the anti-corrosion agent on the inner wall of the pipe. The barrel 5 can be rotated by the driving shaft 1, thereby rotating and uniformly coating the inner wall of the metal pipe with the anti-corrosion agent.

[0036] The detector 6 is installed at the front end of the driven shaft 2 and is used to detect the condition of the inner wall of the pipeline;

[0037] The rust removal component 8 is arranged on the driven shaft 2 and is used to remove rust from the inside of the pipeline. It is behind the detector 6. When the detector 6 detects that rust removal is needed, the rust removal component 8 can be started in advance. After approaching the corresponding position, the rust removal component 8 can be used to remove rust from the metal pipeline. When rust removal is needed, the rust removal component 8 will be started, so that the rust removal component 8 can be protected to a certain extent and the service life of the rust removal component 8 can be extended;

[0038] In addition, a dust suction mechanism may be provided at the rear end of the rust removal assembly 8 to suck away the cleaned rust.

[0039] The clutch assembly 9 is arranged between the driven shaft 2 and the driving shaft 1, and is used for the transmission connection between the driven shaft 2 and the driving shaft 1. The driven shaft 2 is also driven by the driving shaft 1, but at the initial stage, the rust removal assembly 8 does not work, so the clutch assembly 9 is disconnected. At this time, the driving shaft 1 will only drive the nozzle 51 to coat the inner wall of the metal pipe. When rust removal is required, the clutch assembly 9 is closed. In this way, the driven shaft 2 can be driven to rotate together through the driving shaft 1 to remove rust from the inner wall of the metal pipe.

[0040] In one embodiment, a connecting rod 7 is provided in the driven shaft 2, and the rust removal assembly 8 includes a movable block 81, a telescopic frame 82 is provided on the top of the movable block 81, a scraper 83 is provided on the top of the telescopic frame 82, and movable rods 84 are rotatably provided at both ends of the movable block 81, a first movable slider 85 is rotatably provided on the movable rod 84 on one side, and a second movable slider 86 is rotatably provided on the movable rod 84 on the other side, and the first movable slider 85 and the second movable slider 86 are slidably connected to the connecting rod 7, and the two movable sliders move inward or outward at the same time, and a hydraulic rod is provided on one side of the first movable slider 85;

[0041] By pushing the first movable slider 85 inward through the hydraulic rod, the first movable slider 85 will drive the movable rod 84 to deflect, so that the movable block 81 moves outward, and the scraper 83 can move toward the inner wall of the metal pipe, and the movable rod 84 on the other side will also undergo the same deflection, thereby driving the second movable slider 86 to move inward at the same time.

[0042] In one embodiment, the connecting rod 7 includes a slide bar 71 fixedly connected to the driven shaft 2, a first movable slider 85 is slidably connected to the slide bar 71, a bidirectional threaded rod 72 is rotatably provided at one end of the slide bar 71, a second movable slider 86 is threadedly connected to the bidirectional threaded rod 72, and a clutch assembly 9 is sleeved on one end of the bidirectional threaded rod 72 away from the second movable slider 86;

[0043] The bidirectional threaded rod 72 is a rifle rod with opposite threads at both ends, so that when the second movable slider 86 moves, it will drive the rifle rod to rotate. Since the threads at both ends are opposite, it will drive the clutch assembly 9 at the other end to move in the opposite direction to the second movable slider 86, so that when the scraper 83 approaches the inner wall of the metal pipe, the clutch assembly 9 is closed, and when the scraper 83 is away from the inner wall of the metal pipe, the clutch assembly 9 is disconnected.

[0044] In one embodiment, the telescopic frame 82 includes a fixed sleeve 821 fixed on the movable block 81, a telescopic rod 822 connected to the scraper 83 is slidably arranged in the fixed sleeve 821, and a telescopic spring 823 sleeved on the telescopic rod 822 is arranged between the scraper 83 and the fixed sleeve 821;

[0045] When the scraper 83 approaches the inner wall of the metal pipe, the telescopic spring 823 is squeezed, so that the scraper 83 has a certain elasticity.

[0046] In one embodiment, a support frame 87 is further sleeved on the driven shaft 2, and a guide rod 88 connected to the movable block 81 is slidably disposed in the support frame 87 to limit the movable block 81 to only perform vertical movement.

[0047] In one embodiment, the clutch assembly 9 includes a non-return driving member 91 sleeved on the bidirectional threaded rod 72, a gear 92 is provided at one end of the non-return driving member 91, a limit gear ring 93 is provided on one side of the gear 92, and the limit gear ring 93 is fixedly connected to the driving shaft 1;

[0048] When rust removal is required, the scraper 83 approaches the inner wall of the metal pipe, and the second movable slider 86 moves toward the direction of the first movable slider 85, and drives the bidirectional threaded rod 72 to rotate. At the same time, the anti-return drive 91 moves in the direction away from the second movable slider 86, thereby pushing the gear 92 to insert into the limiting gear ring 93 and engage. In this way, the driving shaft 1 can drive the driven shaft 2 to rotate together, so that the scraper 83 can rotate and remove rust from the inner wall of the metal pipe.

[0049] In one embodiment, the anti-return driving member 91 includes a clutch slider 911 sleeved on the bidirectional threaded rod 72, a telescopic sleeve 912 is slidably arranged in the clutch slider 911, a limit slide bar is also arranged at the bottom of the telescopic sleeve 912, and a limit slide groove is provided inside the clutch slider 911, a return spring 913 is arranged on one side of the telescopic sleeve 912 located in the clutch slider 911, an anti-return component is arranged between the clutch slider 911 and the telescopic sleeve 912, and an anti-return release component 94 is also arranged on the clutch slider 911, and the anti-return release component 94 is used to release the anti-return component, so that the telescopic sleeve 912 can move outward;

[0050] After the anti-return drive 91 drives the gear 92 to be inserted into the limiting tooth ring 93, if the scraper 83 has not yet contacted the inner wall of the metal pipe, the scraper 83 will continue to move. At this time, since the gear 92 has been fixed, the clutch slider 911 will move toward the direction of the telescopic sleeve 912, so that the telescopic sleeve 912 is retracted into the clutch slider 911 and compresses the reset spring 913. When the clutch slider 911 moves, it will trigger the anti-return component, so that the clutch slider 911 can only slide forward along the surface of the telescopic sleeve 912. When the scraper 83 is away from the inner wall of the pipe, the clutch slider 911 will directly drive the telescopic sleeve 912 to retreat together under the limit of the anti-return component, so that the gear 92 disengages from the limiting tooth ring 93, so that there is no need for the scraper 83 to return to its initial position, thereby reducing the stroke of the scraper 83.

[0051] In one embodiment, the anti-return assembly includes a first limit tooth plate 914 fixed on the clutch slider 911, and the first limit tooth plate 914 can be set to an inclined tooth block with a certain deformation ability. The telescopic sleeve 912 is provided with a second limit tooth plate 915, and the second limit tooth plate 915 is provided with an inclined tooth groove matching the tooth block. The second limit tooth plate 915 and the first limit tooth plate 914 can be engaged with each other, similar to a ratchet structure, except that the ratchet is set as a tooth plate structure here, so that when the clutch slider 911 moves toward the direction of the telescopic sleeve 912, the tooth block will slide along the tooth groove, and when the clutch slider 911 moves back, the tooth block will be stuck in the tooth groove, so that the clutch slider 911 directly drives the telescopic sleeve 912 to move together.

[0052] In one embodiment, the anti-return release assembly 94 includes a fixed plate 941 fixed on the clutch slider 911, a pull rod 942 is movably arranged in the fixed plate 941, and a lifting slider 9141 connected to the pull rod 942 is arranged on the first limit tooth plate 914;

[0053] This is mainly to facilitate opening the two tooth plates in the later stage so that the telescopic sleeve 912 and the clutch slider 911 can be restored to their initial positions.

[0054] In one embodiment, the guide assembly 4 includes a mounting frame 41 sleeved on the driving shaft 1 or the driven shaft 2, and four vertical plates 42 are arranged on the mounting frame 41. An insertion rod 43 is slidably arranged in the vertical plate 42, and a guide wheel 44 is arranged at the end of the insertion rod 43 away from the vertical plate 42. A damping shock absorber can also be arranged between the insertion rod 43 and the guide wheel 44. A positioning rod 45 is arranged on the side wall of the vertical plate 42, and the insertion rod 43 is fixedly connected to the vertical plate 42 through the positioning rod 45, which can be adjusted according to the inner diameter of the pipeline. After stretching the insertion rod 43 so that the guide wheel 44 is close to the inner wall of the pipeline, the positioning rod 45 is tightened inward to fix the insertion rod 43.

[0055] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

Claims

1. A metal pipeline anti-corrosion and rust removal robot, comprising a driving shaft (1), a driven shaft (2) is arranged on one side of the driving shaft (1), the driving shaft (1) and the driven shaft (2) are connected via a connecting frame (3), characterized in that: Also includes: A plurality of guide components (4) are arranged on the driving shaft (1) and the driven shaft (2) and are used to drive the driving shaft (1) and the driven shaft (2) to move; A barrel (5) is arranged on the driving shaft (1), and a spray head (51) is arranged on the barrel (5) for spraying an antiseptic on the inner wall of the pipeline; A detector (6) is mounted on one end of the driven shaft (2) and is used to detect the condition of the inner wall of the pipeline; A rust removal component (8) is arranged on the driven shaft (2) and is used to remove rust from the inside of the pipeline; The clutch assembly (9) is arranged between the driven shaft (2) and the driving shaft (1) and is used for transmission connection between the driven shaft (2) and the driving shaft (1).

2. A metal pipeline anti-corrosion and rust removal robot according to claim 1, characterized in that: A connecting rod (7) is arranged inside the driven shaft (2); the rust removal assembly (8) comprises a movable block (81); a telescopic frame (82) is arranged on the top of the movable block (81); a scraper (83) is arranged on the top of the telescopic frame (82); movable rods (84) are rotatably arranged at both ends of the movable block (81); a first movable slider (85) is rotatably arranged on the movable rod (84) on one side; a second movable slider (86) is rotatably arranged on the movable rod (84) on the other side; the first movable slider (85) and the second movable slider (86) are slidably connected to the connecting rod (7); and a hydraulic rod is arranged on one side of the first movable slider (85).

3. A metal pipeline anti-corrosion and rust removal robot according to claim 2, characterized in that: The connecting rod (7) comprises a sliding rod (71) fixedly connected to the driven shaft (2); a first movable slider (85) is slidably connected to the sliding rod (71); a bidirectional threaded rod (72) is rotatably provided at one end of the sliding rod (71); a second movable slider (86) is threadably connected to the bidirectional threaded rod (72); and a clutch assembly (9) is sleeved on one end of the bidirectional threaded rod (72) away from the second movable slider (86).

4. The metal pipeline anti-corrosion and rust removal robot according to claim 2, characterized in that: The telescopic frame (82) comprises a fixed sleeve (821) fixed on the movable block (81), a telescopic rod (822) connected to the scraper (83) is slidably arranged in the fixed sleeve (821), and a telescopic spring (823) sleeved on the telescopic rod (822) is arranged between the scraper (83) and the fixed sleeve (821).

5. The metal pipeline anti-corrosion and rust removal robot according to claim 2, characterized in that: The driven shaft (2) is also sleeved with a support frame (87), and a guide rod (88) connected to the movable block (81) is slidably arranged in the support frame (87).

6. The metal pipeline anti-corrosion and rust removal robot according to claim 3, characterized in that: The clutch assembly (9) comprises a back-moving stop driving member (91) sleeved on a bidirectional threaded rod (72); a gear (92) is arranged at one end of the back-moving stop driving member (91); a limit gear ring (93) is arranged at one side of the gear (92); the limit gear ring (93) is fixedly connected to the driving shaft (1); and a back-moving stop releasing assembly (94) is also arranged on the back-moving stop driving member (91).

7. The metal pipeline anti-corrosion and rust removal robot according to claim 6, characterized in that: The anti-return driving member (91) comprises a clutch slider (911) sleeved on a bidirectional threaded rod (72), a telescopic sleeve (912) being slidably arranged inside the clutch slider (911), a return spring (913) being arranged on one side of the telescopic sleeve (912) located inside the clutch slider (911), and an anti-return component being further arranged between the clutch slider (911) and the telescopic sleeve (912).

8. The metal pipeline anti-corrosion and rust removal robot according to claim 7, characterized in that: The anti-return assembly comprises a first position-limiting tooth plate (914) fixed on the clutch slider (911), a second position-limiting tooth plate (915) is arranged on the telescopic sleeve (912), and the second position-limiting tooth plate (915) is engaged with the first position-limiting tooth plate (914).

9. The metal pipeline anti-corrosion and rust removal robot according to claim 8, characterized in that: The anti-return release assembly (94) comprises a fixed plate (941) fixed on the clutch slider (911), a pull rod (942) is movably arranged in the fixed plate (941), and a lifting slider (9141) connected to the pull rod (942) is arranged on the first limit tooth plate (914).

10. The metal pipeline anti-corrosion and rust removal robot according to claim 1, characterized in that: The guide assembly (4) comprises a mounting frame (41) sleeved on the driving shaft (1) or the driven shaft (2), four vertical plates (42) are arranged on the mounting frame (41), an insertion rod (43) is slidably arranged in the vertical plate (42), a guide wheel (44) is arranged at one end of the insertion rod (43) away from the vertical plate (42), a positioning rod (45) is arranged on the side wall of the vertical plate (42), and the insertion rod (43) is fixedly connected to the vertical plate (42) through the positioning rod (45).

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