Anti-corrosion spraying device for inner wall of metal pipeline

Abstract

The utility model provides an anti-corrosion spraying device for the inner wall of a metal pipeline, which belongs to the technical field of pipeline processing and comprises a base, a first supporting seat, a second supporting seat, a first supporting rod and a second supporting rod, the first supporting seat is fixedly connected with the outer side surface of the first supporting rod, and the second supporting seat is fixedly connected with the outer side surface of the second supporting rod. The output end of the first cylinder is connected with a first piston rod, the first piston rod transversely penetrates through the first supporting rod, the top end of the first piston rod is fixedly connected with a motor, the output end of the motor is connected with a rotating shaft, and the top end of the rotating shaft is fixedly provided with a slicking assembly; a second cylinder is fixedly mounted on the second supporting seat, the output end of the second cylinder is connected with a second piston rod, the second piston rod transversely penetrates through the second supporting rod, and the top end of the second piston rod is fixedly connected with a spray gun. According to the utility model, the uniformity and flatness of the coating on the inner wall of the pipeline can be ensured, and the quality and durability of the coating on the inner wall of the pipeline are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline processing, and particularly relates to an anti-corrosion spraying device for the inner wall of a metal pipeline. Background Technique

[0002] Pipeline anti-corrosion is a key measure to protect pipelines from the chemical, electrochemical effects and microbial metabolic activities of internal and external media such as soil, air and transported media (such as oil, natural gas, etc.). These corrosive factors may cause the deterioration of pipeline materials, thus shortening their service life. Especially those pipelines for transporting oil and gas, since they are usually buried in complex soil environments and the transported media are often corrosive, both the inner and outer walls of the pipelines may be corroded to varying degrees. Once the pipeline perforates due to corrosion, oil and gas leakage will occur, which will not only interrupt transportation, but may also cause serious environmental pollution and even safety accidents such as fires, bringing immeasurable losses and hazards. Therefore, it is crucial to take effective anti-corrosion measures for pipelines, which can not only extend the service life of pipelines, but also ensure their safe and stable operation and reduce the accident risk. However, the existing anti-corrosion coating spraying devices have limitations when dealing with the inside of metal pipelines, unable to achieve full coverage spraying of the pipeline interior, and the spraying effect is also relatively uneven, which brings certain potential hazards to the long-term stable operation of the pipelines.

[0003] Therefore, there is an urgent need to develop a spraying device that can not only achieve full coverage spraying of the inner wall of metal pipelines, but also ensure the uniformity of the spraying surface. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides an anti-corrosion spraying device for the inner wall of a metal pipeline, effectively solving the problems that it is currently impossible to achieve full coverage spraying of the inside of the metal pipeline and the spraying effect is relatively uneven.

[0005] The technical solution provided by the utility model is as follows:

[0006] An anti-corrosion spraying device for the inner wall of a metal pipeline, comprising a base, on both sides of the top of the base, a first support seat, a second support seat, a first support rod and a second support rod are respectively fixedly installed. The outer side surfaces of the first support seat and the first support rod are fixedly connected, and the outer side surfaces of the second support seat and the second support rod are fixedly connected. A first cylinder is fixedly installed on the first support seat, and the output end of the first cylinder is connected with a telescopic first piston rod. The first piston rod horizontally penetrates through the first support rod, and its top end is fixedly connected with a motor. The output end of the motor is connected with a rotating shaft, and a leveling assembly is fixedly installed at the top end of the rotating shaft; A second cylinder is fixedly installed on the second support seat, and the output end of the second cylinder is connected with a telescopic second piston rod. The second piston rod horizontally penetrates through the second support rod, and its top end is fixedly connected with a spray gun.

[0007] Further, a third cylinder and a fourth cylinder are also fixedly installed on the top of the base. The third cylinder and the fourth cylinder are located between the first support rod and the second support rod and are symmetrically distributed.

[0008] Further, the output end of the third cylinder is connected with a telescopic third piston rod, and a first support tray is fixedly installed at the top end of the third piston rod.

[0009] Further, the output end of the fourth cylinder is connected with a telescopic fourth piston rod, and a second support tray is fixedly installed at the top end of the fourth piston rod.

[0010] Further, the first support tray and the second support tray are the same support trays, and the top end faces of both are arc-shaped surfaces, and protective strips are provided on the arc-shaped surfaces.

[0011] Further, the leveling assembly includes a cross bar and scraping blades. The scraping blades are fixedly installed at the top end of the cross bar, and the cross bar is symmetrically fixedly installed on the rotating shaft.

[0012] Further, the spray gun includes a spray gun body and a spray nozzle. The spray nozzle is fixedly connected to one end of the spray gun body, and the other end of the spray gun body is fixedly connected to the top end of the second piston rod.

[0013] Further, spray holes are evenly distributed on the spray nozzle.

[0014] Further, a first rubber pad is provided at the penetration of the first piston rod and the first support rod, and a second rubber pad is provided at the penetration of the second piston rod and the second support rod.

[0015] Further, a storage tank is fixedly installed on one side of the top of the base close to the second support rod. A feeding pump is provided in the storage tank, and the output end of the feeding pump is connected with a feeding pipe, and the feeding pipe is communicated with the liquid storage tank in the spray gun.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] (1) The utility model is provided with a spray gun. By utilizing the telescopic movement of the second piston rod, the spray gun realizes the full spraying of the inner wall of the pipeline. The spray nozzle of the spray gun is provided with evenly distributed spray holes, ensuring that the material can evenly and accurately cover every inch of the inner wall of the pipeline. It not only improves the spraying efficiency, but also greatly enhances the uniformity and overall quality of the spraying. The utility model can effectively avoid the phenomenon of local over-thick or over-thin coating, provides a strong and uniform protective layer for the pipeline, and significantly enhances the anti-corrosion ability and service life of the pipeline.

[0018] (2) The utility model also combines pneumatic linear motion and electric rotary motion. The output end of the first cylinder of the utility model is connected with a telescopic first piston rod. When the cylinder is inflated or deflated, the piston rod will correspondingly extend or retract. The top of the first piston rod is fixed with a motor. When the piston rod extends and retracts, the motor and its upper components (i.e., the rotating shaft and the scraping component) will move along the linear direction together with the piston rod, realizing the linear motion of the scraping component. The output end of the motor is connected with the rotating shaft. When the motor is powered on and running, the rotating shaft will rotate. The top of the rotating shaft is equipped with a scraping component. When the rotating shaft rotates, the scraping component will also rotate accordingly, realizing the rotary motion of the scraping component. Therefore, when the first cylinder drives the first piston rod to perform linear motion, the motor, the rotating shaft and the scraping component will move linearly along the axis direction of the pipeline. At the same time, the motor is running, and the scraping component will rotate while moving linearly, so as to perform a uniform scraping operation on the inner wall of the pipeline. Through the coordinated use of the cylinder, the piston rod, the motor and the rotating shaft, the utility model can effectively realize the function that the scraping component can not only linearly advance in the pipeline, but also rotate and scrape during the advancing process. Such a design can ensure the uniformity and flatness of the coating on the inner wall of the pipeline, reduce the need for subsequent treatment, lower the cost, and improve the quality and durability of the coating on the inner wall of the pipeline. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of an anti-corrosion spraying device for the inner wall of a metal pipeline of the utility model;

[0020] Figure 2 It is a schematic diagram of the support tray structure of an anti-corrosion spraying device for the inner wall of a metal pipeline of the utility model;

[0021] Figure 3 It is a schematic diagram of the scraping component structure of an anti-corrosion spraying device for the inner wall of a metal pipeline of the utility model;

[0022] Figure 4 It is a schematic diagram of the spray gun structure of an anti-corrosion spraying device for the inner wall of a metal pipeline of the utility model.

[0023] In the figure: 1 base, 2 first support rod, 3 first support seat, 4 first cylinder, 5 first piston rod, 6 first rubber pad, 7 motor, 8 rotating shaft, 9 second support rod, 10 leveling assembly, 101 cross bar, 102 scraping blade, 11 second support seat, 12 second cylinder, 13 second piston rod, 14 spray gun, 141 spray gun body, 142 spray nozzle, 143 spray hole, 15 material storage tank, 16 material suction pump, 17 material conveying pipe, 18 third cylinder, 19 fourth cylinder, 20 third piston rod, 21 fourth piston rod, 22 first support plate, 221 protective strip, 23 second support plate, 24 metal pipe, 25 second rubber pad. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] The present invention provides an anti-corrosion spraying device for the inner wall of a metal pipe. The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings:

[0026] Refer to Figure 1It can be seen that an anti-corrosion spraying device for the inner wall of a metal pipe includes a base 1. On both sides of the top of the base 1, a first support seat 3, a second support seat 11, a first support rod 2, and a second support rod 9 are respectively and fixedly installed. The outer side of the first support seat 3 is fixedly connected to the outer side of the first support rod 2, and the outer side of the second support seat 11 is fixedly connected to the outer side of the second support rod 9. A first cylinder 4 is fixedly installed on the first support seat 3. The output end of the first cylinder 4 is connected to a telescopic first piston rod 5. The first piston rod 5 horizontally penetrates the first support rod 2, and its top end is fixedly connected to a motor 7. The output end of the motor 7 is connected to a rotating shaft 8. A leveling assembly 10 is fixedly installed at the top end of the rotating shaft 8. When the first cylinder 4 drives the first piston rod 5 to move linearly, the first piston rod 5 drives the motor 7 at its top end to move together, and then drives the rotating shaft 8 and the leveling assembly 10 to move linearly. At the same time, the motor 7 drives the rotating shaft 8 to rotate, thereby driving the leveling assembly 10 to rotate. A second cylinder 12 is fixedly installed on the second support seat 11. The output end of the second cylinder 12 is connected to a telescopic second piston rod 13. The second piston rod 13 horizontally penetrates the second support rod 9, and its top end is fixedly connected to a spray gun 14. The spray gun 14 can move linearly under the drive of the second piston rod 13 to achieve full spraying on the inner wall of the metal pipe 24. A first rubber pad 6 is provided at the penetration of the first piston rod 5 and the first support rod 2, and a second rubber pad 25 is provided at the penetration of the second piston rod 13 and the second support rod 9. On one side of the top of the base 1 close to the second support rod 9, a storage tank 15 is fixedly installed. A feeding pump 16 is provided in the storage tank 15. The output end of the feeding pump 16 is connected to a feeding pipe 17, and the feeding pipe 17 is communicated with the liquid storage tank in the spray gun 14.

[0027] In the above embodiment, a third cylinder 18 and a fourth cylinder 19 are also fixedly installed on the top of the base 1. The third cylinder 18 and the fourth cylinder 19 are located between the first support rod 2 and the second support rod 9 and are symmetrically distributed. The output end of the third cylinder 18 is connected to a telescopic third piston rod 20. A first support plate 22 is fixedly installed at the top end of the third piston rod 20. The output end of the fourth cylinder 19 is connected to a telescopic fourth piston rod 21. A second support plate 23 is fixedly installed at the top end of the fourth piston rod 21.

[0028] Refer to Figure 1 and Figure 2 It can be seen that the first support plate 22 and the second support plate 23 are the same support plates, and the top end faces of both are arc-shaped surfaces. A protective strip 221 is provided on the arc-shaped surface. The design of the protective strip 221 protects the support plate from wear, and at the same time increases the friction between the metal pipe 24 and the support plate, so that the metal pipe 24 is more stably fixed on the support plate.

[0029] Refer to Figure 1 and Figure 3It can be seen that the leveling assembly 10 includes a cross bar 101 and scraping blades 102. The scraping blades 102 are fixedly installed at the top of the cross bar 101, and the cross bar 101 is symmetrically and fixedly installed on the rotating shaft 8. The design of the leveling assembly 10 can ensure the uniformity and flatness of the coating on the inner wall of the pipeline, reduce the need for subsequent processing, lower the cost, and improve the quality and durability of the coating on the inner wall of the pipeline.

[0030] Refer to Figure 1 and Figure 4 It can be seen that the spray gun 14 includes a spray gun body 141 and a spray nozzle 142. The spray nozzle 142 is fixedly connected to one end of the spray gun body 141, the other end of the spray gun body 141 is fixedly connected to the top of the second piston rod 13, and spray holes 143 are evenly distributed on the spray nozzle 142. The evenly distributed spray holes on the spray nozzle of the spray gun not only improve the spraying efficiency, but also greatly enhance the spraying uniformity and overall quality.

[0031] Working principle of the present utility model: First, place the metal pipeline 24 on the first support plate 22 and the second support plate 23. Drive the corresponding third piston rod 20 and fourth piston rod 21 to perform telescopic movements through the third cylinder 18 and the fourth cylinder 19, adjust the position height of the metal pipeline 24, start the second cylinder 12, the second cylinder 12 drives the second piston rod 13 to perform a linear movement, the second piston rod 13 drives the spray gun 14 to move, and at the same time start the material pumping pump 16, so that the material stored in the storage tank 15 is conveyed through the material conveying pipe 17 into the liquid storage tank in the spray gun 14, and the material is ejected from the evenly distributed spray holes 143 on the spray nozzle 142 of the spray gun 14, thereby enabling the material to be evenly sprayed on the inner wall of the pipeline. After the spraying is completed, the spray gun 14 returns to the initial position under the action of the second piston rod 13 and the second cylinder 12; start the first cylinder 4 and the motor 7. When the first cylinder 4 drives the first piston rod 5 to perform a linear movement, the motor 7, the rotating shaft 8, and the leveling assembly 10 will move linearly along the axis direction of the metal pipeline 24; at the same time, the motor 7 drives the rotating shaft 8 to rotate, thereby driving the leveling assembly 10 to rotate. At this time, the leveling assembly 10 will perform a uniform leveling operation on the inner wall of the metal pipeline 24 while moving linearly forward. The present utility model can ensure the uniformity and flatness of the coating on the inner wall of the pipeline, reduce the need for subsequent processing, lower the cost, and improve the quality and durability of the coating on the inner wall of the pipeline.

[0032] The above has introduced in detail a device for anti-corrosion spraying on the inner wall of a metal pipeline provided by the present utility model. The above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Those skilled in the art should understand that the technical solutions of the present utility model can be modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present utility model, and all should be covered within the scope of the claims of the present utility model.

Claims

1. An anti-corrosion spraying device for the inner wall of a metal pipeline, comprising a base (1), on both sides of the top of the base (1), a first support seat (3), a second support seat (11), a first support rod (2) and a second support rod (9) are respectively fixedly installed. The outer side surface of the first support seat (3) is fixedly connected to the outer side surface of the first support rod (2), and the outer side surface of the second support seat (11) is fixedly connected to the outer side surface of the second support rod (9), characterized in that, A first cylinder (4) is fixedly installed on the first support base (3). The output end of the first cylinder (4) is connected to a telescopic first piston rod (5). The first piston rod (5) horizontally penetrates through the first support rod (2), and its top end is fixedly connected to a motor (7). The output end of the motor (7) is connected to a rotating shaft (8). A leveling assembly (10) is fixedly installed at the top end of the rotating shaft (8). A second cylinder (12) is fixedly installed on the second support base (11). The output end of the second cylinder (12) is connected to a telescopic second piston rod (13). The second piston rod (13) horizontally penetrates through the second support rod (9), and its top end is fixedly connected to a spray gun (14).

2. The anti-corrosion spraying device for the inner wall of a metal pipeline according to claim 1, wherein, A third cylinder (18) and a fourth cylinder (19) are also fixedly installed on the top of the base (1). The third cylinder (18) and the fourth cylinder (19) are located between the first support rod (2) and the second support rod (9) and are symmetrically distributed.

3. The anti-corrosion spraying device for the inner wall of a metal pipeline according to claim 2, wherein, The output end of the third cylinder (18) is connected to a telescopic third piston rod (20). A first support tray (22) is fixedly installed at the top end of the third piston rod (20).

4. A metal pipe inner wall anti-corrosion spraying device according to claim 3, characterized in that, The output end of the fourth cylinder (19) is connected to a telescopic fourth piston rod (21). A second support tray (23) is fixedly installed at the top end of the fourth piston rod (21).

5. A metal pipeline inner wall anti-corrosion spraying device according to claim 4, characterized in that, The first support tray (22) and the second support tray (23) are the same support trays, and the top end faces of both are arc-shaped surfaces. A protective strip (221) is provided on the arc-shaped surface.

6. The anti-corrosion spraying device for the inner wall of a metal pipeline according to claim 1, wherein The leveling assembly (10) includes a cross bar (101) and a scraping blade (102). The scraping blade (102) is fixedly installed at the top end of the cross bar (101). The cross bar (101) is symmetrically and fixedly installed on the rotating shaft (8).

7. A metal pipeline inner wall anti-corrosion spraying device according to claim 1, characterized in that, The spray gun (14) includes a spray gun body (141) and a spray nozzle (142). The spray nozzle (142) is fixedly connected to one end of the spray gun body (141). The other end of the spray gun body (141) is fixedly connected to the top end of the second piston rod (13).

8. A metal pipe inner wall anti-corrosion spraying device according to claim 7, characterized in that, Spray holes (143) are evenly distributed on the spray nozzle (142).

9. The anti-corrosion spraying device for the inner wall of a metal pipeline according to claim 1, wherein, A first rubber pad (6) is provided at the penetration of the first piston rod (5) and the first support rod (2). A second rubber pad (25) is provided at the penetration of the second piston rod (13) and the second support rod (9).

10. A metal pipeline inner wall anti-corrosion spraying device according to claim 1, characterized in that, A storage tank (15) is fixedly installed on one side of the top of the base (1) near the second support rod (9). A feeding pump (16) is provided in the storage tank (15). The output end of the feeding pump (16) is connected to a feeding pipe (17). The feeding pipe (17) is communicated with a liquid storage tank in the spray gun (14).

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