A pipeline inner wall anticorrosion spraying device

Abstract

The utility model discloses a pipeline inner wall anticorrosive spraying device, including moving block, fixedly being equipped with the inlet paint pipe of the penetration of moving block, moving block side is equipped with the paint spraying pipe of inlet paint pipe rotation connection, the outer wall of moving block is fixedly equipped with the rotating electrical machine, and the rotating electrical machine is connected with paint spraying pipe through outer transmission mechanism, and moving block inside is equipped with transmission chamber and rotation chamber, and the screw rod of extending to transmission chamber is rotatably equipped in rotation chamber, and the transmission chamber is fixedly equipped with the adjusting motor. The utility model discloses through the rotating electrical machine drive paint spraying pipe rotation, can realize the paint spraying operation of pipeline inner wall a circle, guarantees that there is no dead angle in spraying, and the moving wheel is moved to the matching mobile motor drive, can carry out the sectioned spraying to the pipeline inner wall, until completely covers, compares artificial spraying or simple mechanical spraying, and the spraying efficiency and quality have been improved greatly.

Description

Technical Field

[0001] This utility model relates to the field of pipeline anti-corrosion equipment technology, and in particular to a pipeline inner wall anti-corrosion spraying device. Background Technology

[0002] In the field of anti-corrosion spraying of pipeline inner walls, existing spraying equipment faces significant technical bottlenecks. Currently, most spraying equipment relies on manual operation or simple mechanical transmission, making it difficult to achieve automated and coordinated control of the rotation and movement of the paint spray nozzle.

[0003] On the one hand, the spray pipe cannot move in a stable and uniform circular motion and axial displacement, resulting in uneven coating thickness and making it easy to have quality defects such as missed spraying and thin spraying. Subsequent secondary spraying corrections require a lot of manpower, which seriously affects construction efficiency. On the other hand, existing equipment generally lacks a pipe diameter adaptive adjustment mechanism and can only adapt to a single or a few types of pipes. When faced with the need to spray pipes with different inner diameters, it is necessary to replace with special equipment or make complex modifications to the existing equipment, which not only greatly increases the cost of equipment procurement and maintenance, but also prolongs the project cycle and reduces the flexibility of project implementation. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a pipe inner wall anti-corrosion spraying device.

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

[0006] A pipe inner wall anti-corrosion spraying device includes a movable block, a paint inlet pipe fixedly inserted through the movable block, a spray pipe rotatably connected to the paint inlet pipe on the side of the movable block, a rotary motor fixedly installed on the outer wall of the movable block, the rotary motor being connected to the spray pipe through an external transmission mechanism, a transmission chamber and a rotation chamber inside the movable block, a screw extending into the transmission chamber rotatably installed in the rotation chamber, an adjusting motor fixedly installed in the transmission chamber, the screw being connected to the adjusting motor through an internal transmission mechanism, and a movable wheel outside the movable block, the movable wheel being connected to the screw through an adjusting mechanism.

[0007] Preferably, the external transmission mechanism includes an external drive gear mounted on the output shaft of a rotary motor, and the paint spray tube is provided with an external transmission gear that meshes with the external drive gear.

[0008] Preferably, the internal transmission mechanism includes an internal drive gear mounted on the output shaft of the regulating motor, and an internal transmission gear meshing with the internal drive gear is fixed on the screw.

[0009] Preferably, the adjusting mechanism includes an adjusting frame threaded onto a screw, and the movable wheel is rotatably mounted on the adjusting frame.

[0010] Preferably, one of the adjustment frames is equipped with a moving motor connected to a moving wheel, and the moving wheel is equipped with a protective sleeve made of rubber material, the surface of which is provided with anti-slip texture.

[0011] Preferably, both the external driving gear and the external transmission gear are spherical gears, and both the internal driving gear and the internal transmission gear are bevel gears.

[0012] The beneficial effects of this utility model are:

[0013] 1. By rotating the paint spray pipe with a rotary motor, the inner wall of the pipe can be painted around its entire circumference, ensuring no blind spots in the coating. With the help of a moving motor driving the moving wheels, the inner wall of the pipe can be painted section by section until it is completely covered. Compared with manual spraying or simple mechanical spraying, this greatly improves the efficiency and quality of the coating.

[0014] 2. The adjusting mechanism, consisting of an adjusting motor, screw, and adjusting frame, allows for adjustment of the distance between the moving wheels, thus adapting to pipes of different diameters. This makes the device highly versatile, eliminating the need for multiple specialized devices for different pipe diameters, reducing operating costs and equipment management complexity.

[0015] 3. Rubber anti-slip protective sleeves are installed on the moving wheels, which can not only prevent the moving wheels from damaging the inner wall of the pipe, but also increase the friction when moving in the pipe, prevent slippage, ensure stable operation of the device during the spraying process, and guarantee the consistency and reliability of the spraying effect. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a pipe inner wall anti-corrosion spraying device proposed in this utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of the right-side view structure;

[0018] Figure 3 for Figure 1 A schematic diagram of the vertical cross-section structure.

[0019] In the diagram: 1. Moving block, 2. Adjusting frame, 3. Moving wheel, 4. Moving motor, 5. Paint inlet pipe, 6. Paint spraying pipe, 7. Rotary motor, 8. External drive gear, 9. External transmission gear, 10. Transmission chamber, 11. Rotating chamber, 12. Screw, 13. Internal drive gear, 14. Internal transmission gear, 15. Adjusting motor. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Reference Figure 1-3 A pipe inner wall anti-corrosion spraying device includes a movable block 1, a paint inlet pipe 5 fixedly inserted through the movable block 1, a spray pipe 6 rotatably connected to the paint inlet pipe 5 on the side of the movable block 1, a rotary motor 7 fixedly installed on the outer wall of the movable block 1, the rotary motor 7 being connected to the spray pipe 6 through an external transmission mechanism, a transmission chamber 10 and a rotating chamber 11 inside the movable block 1, a screw 12 extending into the transmission chamber 10 rotatably installed in the rotating chamber 11, an adjusting motor 15 fixedly installed in the transmission chamber 10, the screw 12 being connected to the adjusting motor 15 through an internal transmission mechanism, and a movable wheel 3 outside the movable block 1, the movable wheel 3 being connected to the screw 12 through an adjusting mechanism.

[0022] The external transmission mechanism includes an external drive gear 8 mounted on the output shaft of the rotary motor 7, and an external transmission gear 9 on the paint spray pipe 6 that meshes with the external drive gear 8. Both the external drive gear 8 and the external transmission gear 9 are spur gears. Through the external drive gear 8 and the external transmission gear 9, the paint spray pipe 6 can be rotated after the rotary motor 7 is started, thereby achieving a complete circle of paint spraying on the inner wall of the pipe.

[0023] The internal transmission mechanism includes an internal drive gear 13 mounted on the output shaft of the regulating motor 15, and an internal transmission gear 14 fixed on the screw 12 that meshes with the internal drive gear 13. Both the internal drive gear 13 and the internal transmission gear 14 are bevel gears. Through the internal drive gear 13 and the internal transmission gear 14, the four screws 12 can be rotated synchronously as shown in the figure after the regulating motor 15 is started. The thread orientation of the screws 12 is set according to their rotation direction to ensure that the four regulating frames 2 move synchronously closer or further apart. The screws 12 are mounted by bearings and other components. Only the part inside the rotating chamber 11 has threads on its outer wall, while the part inside the transmission chamber 10 does not have threads on its outer wall.

[0024] The adjustment mechanism includes an adjustment frame 2 threaded onto a screw 12, and a movable wheel 3 rotatably mounted on the adjustment frame 2. The adjustment frame 2 is L-shaped, with its longer portion sliding through the inner wall of the rotating chamber 11 and extending to the outside of the movable block 1.

[0025] One of the adjustment frames 2 is equipped with a moving motor 4 connected to the moving wheels 3. The moving wheels 3 are covered with rubber protective sleeves with anti-slip textures on the surface. The moving motor 4 can drive the current moving wheel 3 to rotate, and together with the other three moving wheels 3, it enables the moving block 1 to move within the pipe. The anti-slip protective sleeves prevent the moving wheels 3 from damaging the inner wall of the pipe and also provide an anti-slip effect.

[0026] Components not specifically described in this utility model are all standard parts and can be purchased from the market. The specific connection methods for each component all employ mature methods from the prior art, and will not be detailed here. Content not described in detail in this specification belongs to prior art known to those skilled in the art.

[0027] In use, the entire device is inserted through the opening at one end of the pipe, with the moving wheel 3 contacting the inner wall of the pipe. Then, the paint spraying assembly connected to the paint inlet pipe 5 is activated to supply the paint to be sprayed. At the same time, the rotary motor 7 is activated, and the paint enters the paint spraying pipe 6 through the paint inlet pipe 5 and is finally sprayed out. The rotary motor 7 can drive the paint spraying pipe 6 to rotate with the help of the external drive gear 8 and the external transmission gear 9, thereby realizing a circle of paint spraying operation on the inner wall of the pipe. After one circle is sprayed, the moving motor 4 is activated, which drives the moving wheel 3 connected to it to move. With the help of other moving wheels 3, the moving block 1 and other components are moved as a whole. Then, the next area is sprayed for another circle of paint until the inner wall of the pipe is completely sprayed. The moving block 1 and other components will then be moved out from the other opening of the pipe.

[0028] When the moving block 1 and other components enter the pipe, the four moving wheels 3 are close together to facilitate placement into the pipe. After placement, the regulating motor 15 is started. The regulating motor 15, together with the inner drive gear 13 and the inner transmission gear 14, can drive the screw 12 to rotate. When the screw 12 rotates, the regulating frame 2 will drive the moving wheels 3 to move. The four moving wheels 3 spread out and contact the inner wall of the pipe, keeping the moving block 1 in the center position inside the pipe.

[0029] Furthermore, it can adapt to pipes with different inner diameters within a certain range. After the inner diameter of the pipe changes, different lengths of paint spraying pipes can be replaced, which is more practical than replacing the entire spraying device.

[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A pipe inner wall anti-corrosion spraying device, comprising a movable block (1), characterized in that, A paint inlet pipe (5) is fixedly installed on the movable block (1). A paint spraying pipe (6) rotatably connected to the paint inlet pipe (5) is provided on the side of the movable block (1). A rotary motor (7) is fixedly installed on the outer wall of the movable block (1). The rotary motor (7) is connected to the paint spraying pipe (6) through an external transmission mechanism. A transmission chamber (10) and a rotating chamber (11) are provided inside the movable block (1). A screw (12) extending into the transmission chamber (10) is rotatably installed in the rotating chamber (11). An adjusting motor (15) is fixedly installed in the transmission chamber (10). The screw (12) is connected to the adjusting motor (15) through an internal transmission mechanism. A moving wheel (3) is provided on the outside of the movable block (1). The moving wheel (3) is connected to the screw (12) through an adjusting mechanism.

2. The pipe inner wall anti-corrosion spraying device according to claim 1, characterized in that, The external transmission mechanism includes an external drive gear (8) mounted on the output shaft of the rotary motor (7), and an external transmission gear (9) meshing with the external drive gear (8) is provided on the paint spray tube (6).

3. The pipe inner wall anti-corrosion spraying device according to claim 2, characterized in that, The internal transmission mechanism includes an internal drive gear (13) mounted on the output shaft of the regulating motor (15), and an internal transmission gear (14) that meshes with the internal drive gear (13) is fixed on the screw (12).

4. The pipe inner wall anti-corrosion spraying device according to claim 3, characterized in that, The adjustment mechanism includes an adjustment frame (2) threadedly mounted on a screw (12), and a movable wheel (3) rotatably mounted on the adjustment frame (2).

5. The pipe inner wall anti-corrosion spraying device according to claim 4, characterized in that, One of the adjustment frames (2) is equipped with a moving motor (4) connected to the moving wheel (3), and the moving wheel (3) is equipped with a rubber protective sleeve with anti-slip texture on the surface of the protective sleeve.

6. The pipe inner wall anti-corrosion spraying device according to claim 5, characterized in that, Both the external driving gear (8) and the external transmission gear (9) are spherical gears, and both the internal driving gear (13) and the internal transmission gear (14) are bevel gears.

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