Pipeline inner wall anti-corrosion spraying equipment and spraying method

Abstract

The invention discloses pipeline inner wall anti-corrosion spraying equipment which comprises a base, a driving mechanism is arranged at the end of the base, a sliding seat is arranged on the driving mechanism, a disc body is connected to the sliding seat through a supporting rod, a conveying pipe is rotatably arranged in the middle of the disc body, and a mounting seat is fixed to the supporting rod; a communication pipe is fixed on the mounting seat, the end part of the communication pipe is rotatably arranged in the conveying pipe, a first motor is arranged on the back surface of the disc body, an output shaft of the first motor is connected with a first gear, the conveying pipe is coaxially connected with a second gear meshed with the first gear, the end part of the conveying pipe is communicated with a spray head seat, and the spray head seat is communicated with a spray head; the outer wall of the nozzle seat is connected with a cylinder, and a piston rod of the cylinder is connected with a cleaning brush. The problems that a treatment device in the prior art does not have a pipeline inner wall cleaning function, spraying operation and cleaning operation are carried out separately, and the operation efficiency is greatly reduced are solved.

Description

Technical Field

[0001] The invention relates to the field of pipeline processing, and in particular to an anti-corrosion spraying device and a spraying method for the inner wall of a pipeline. Background Art

[0002] After the pipeline is cast, its inner wall needs to be treated with anti-corrosion spraying. The anti-corrosion spraying can effectively prevent corrosion, ensure structural safety, and at the same time extend the service life of the pipeline and reduce the overall cost. For example, the Chinese patent with patent number CN222369406U provides a gas pipeline anti-corrosion treatment device, including a fixed component, the fixed component includes a base, an electric guide rail, a slide, a first electric telescopic rod, a support, a first motor, a first connecting rod, a second motor, a bidirectional screw and a support rod; the top of the base is equipped with an electric guide rail, the top of the electric guide rail is slidably connected to the slide, and the top of the slide is equipped with a first electric telescopic rod. The second motor drives the bidirectional screw to move, the support rod is used to support the inner wall of the pipeline, the first motor drives the pipeline to rotate, and the nozzle is used to perform anti-corrosion treatment on the inner and outer walls of the pipeline at the same time; in the spraying operation of the inner wall of the pipeline, it is usually necessary to clean the dust and foreign matter on the inner wall before the spraying operation can be carried out, otherwise it will affect the quality of the spray layer on the inner wall of the pipeline and the smoothness of the spray layer. The processing devices in the above-mentioned prior art do not have the function of cleaning the inner wall of the pipeline, and the spraying operation and the cleaning operation are carried out separately, which greatly reduces the operation efficiency. Summary of the invention

[0003] The purpose of the present invention is to provide an anti-corrosion spraying device and a spraying method for the inner wall of a pipeline, which solves the problem that during the spraying operation on the inner wall of a pipeline, it is usually necessary to clean the dust and foreign matter on the inner wall before the spraying operation can be carried out, otherwise it will affect the quality of the spray layer on the inner wall of the pipeline and the smoothness of the spray layer. The processing devices in the above-mentioned prior art do not have the function of cleaning the inner wall of the pipeline, and the spraying operation and the cleaning operation are carried out separately, which greatly reduces the problem of operating efficiency.

[0004] In order to achieve the above-mentioned objectives, the present invention provides an anti-corrosion spraying device for the inner wall of a pipeline, wherein the anti-corrosion spraying device for the inner wall of a pipeline comprises a base, a driving mechanism is provided at the end of the base, a sliding seat is provided on the driving mechanism, a disk body is connected to the sliding seat through a support rod, a delivery pipe is rotatably provided at the middle part of the disk body, a mounting seat is fixed on the support rod, a connecting pipe is fixed on the mounting seat, the end of the connecting pipe is rotatably provided in the delivery pipe, a first motor is provided on the back side of the disk body, a first gear is connected to the output shaft of the first motor, a second gear meshing with the first gear is coaxially connected to the delivery pipe, the end of the delivery pipe is connected to a nozzle seat, a nozzle is connected to the nozzle seat, a cylinder is connected to the outer wall of the nozzle seat, and a cleaning brush is connected to the piston rod of the cylinder.

[0005] Preferably, a bearing is provided in the middle of the disc body, and the conveying pipe is at least partially rotatably disposed in the bearing.

[0006] Preferably, an electronic valve is provided on the connecting pipe, and a delivery hose is connected to the electronic valve.

[0007] Preferably, a plurality of limiting rings are arranged at intervals on the support rod, and the delivery hose passes through the limiting rings.

[0008] Preferably, the driving mechanism comprises a seat body arranged on the base, a second motor is arranged on the seat body, a lead screw is connected to the output shaft of the second motor, a lead screw nut is arranged on the lead screw, and the lead screw nut is fixed on the sliding seat.

[0009] Preferably, a slide rail is provided on the base, and a slide groove cooperating with the slide rail is formed at the lower end of the sliding seat.

[0010] Preferably, a pipe support seat is provided on the base, and a plurality of arc-shaped clamps are detachably provided on the pipe support seat.

[0011] Preferably, a screw rod is provided at the end of the pipe support seat, a limit strip is slidably provided on the screw rod, and locking nuts are respectively provided on both sides of the limit strip.

[0012] The present invention also provides a spraying method using the above-mentioned pipeline inner wall anticorrosion spraying equipment, the spraying method comprising:

[0013] S1. Place the pipe on the pipe support seat and turn on the cylinder so that the cleaning brush fits against the inner wall of the pipe;

[0014] S2, turning on the second motor to displace the disc in the pipe, and at the same time turning on the first motor to rotate the cleaning brush to clean the inner wall of the pipe, so that the disc pushes the cleaned foreign matter out of the pipe;

[0015] S3, the cylinder is reset, so that the cleaning brush is separated from the inner wall of the pipe, the second motor rotates in the opposite direction, the disc body moves in the opposite direction, the electronic valve is opened, and during the displacement process, the inner wall of the pipe is sprayed through the nozzle.

[0016] The present invention provides an anti-corrosion spraying device for the inner wall of a pipeline, the anti-corrosion spraying device for the inner wall of the pipeline comprises a base, a driving mechanism is arranged at the end of the base, a sliding seat is arranged on the driving mechanism, a disk body is connected to the sliding seat through a support rod, a delivery pipe is rotatably arranged at the middle part of the disk body, a mounting seat is fixed on the support rod, a connecting pipe is fixed on the mounting seat, the end of the connecting pipe is rotatably arranged in the delivery pipe, a first motor is arranged on the back side of the disk body, a first gear is connected to the output shaft of the first motor, a second gear meshing with the first gear is coaxially connected to the delivery pipe, the end of the delivery pipe is connected to a nozzle seat, a nozzle is connected to the nozzle seat, a cylinder is connected to the outer wall of the nozzle seat, and a cleaning brush is connected to the piston rod of the cylinder. During the specific operation, the pipeline is placed on the pipeline support seat, and the cylinder is turned on so that the cleaning brush fits against the inner wall of the pipeline; the second motor is turned on so that the disc is displaced in the pipeline, and the first motor is turned on at the same time so that the cleaning brush rotates to clean the inner wall of the pipeline, so that the disc pushes the cleaned foreign matter out of the pipeline; the cylinder is reset so that the cleaning brush is separated from the inner wall of the pipeline, the second motor rotates in the opposite direction, the disc is displaced in the opposite direction, the electronic valve is turned on, and the inner wall of the pipeline is sprayed through the nozzle during the displacement process. The pipeline inner wall anti-corrosion spraying equipment provided by the present invention can clean the inner wall of the pipeline before spraying, and sweep out the internal foreign matter, and then immediately spray the inner wall of the pipeline for anti-corrosion treatment. The device can combine cleaning and spraying on the same device, which greatly improves the efficiency of the pipeline inner wall spraying operation.

[0017] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is a first structural diagram of the pipeline inner wall anti-corrosion spraying equipment provided by the present invention;

[0020] Figure 2 This is a second structural diagram of the pipeline inner wall anti-corrosion spraying equipment provided by the present invention;

[0021] Figure 3 It is a side view of the pipeline inner wall anti-corrosion spraying equipment provided by the present invention;

[0022] Figure 4 yes Figure 2 The first-person perspective structure diagram of part B;

[0023] Figure 5 yes Figure 2 The second perspective structure diagram of part B in the middle;

[0024] Figure 6 yes Figure 2 Enlarged view of part A.

[0025] Description of Reference Numerals

[0026] 1- pipe support seat; 2- base; 3- arc clamp; 4- slide rail; 5- lead screw; 6- sliding seat; 7- lead screw nut; 8- second motor; 9- support rod; 10- limit ring; 11- disk; 12- first motor; 13- first gear; 14- second gear; 15- delivery pipe; 16- mounting seat; 17- electronic valve; 18- connecting pipe; 19- cylinder; 20- nozzle; 21- nozzle seat; 22- cleaning brush; 23- screw; 24- locking nut; 25- limit strip. DETAILED DESCRIPTION

[0027] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0028] like Figure 1-6As shown: The present invention provides an anti-corrosion spraying device for the inner wall of a pipeline, the anti-corrosion spraying device for the inner wall of the pipeline comprises a base 2, a driving mechanism is arranged at the end of the base 2, a sliding seat 6 is arranged on the driving mechanism, a disc 11 is connected to the sliding seat 6 through a support rod 9, a delivery pipe 15 is rotatably arranged in the middle of the disc 11, a mounting seat 16 is fixed on the support rod 9, a connecting pipe 18 is fixed on the mounting seat 16, the end of the connecting pipe 18 is rotatably arranged in the delivery pipe 15, a first motor 12 is arranged on the back of the disc 11, a first gear 13 is connected to the output shaft of the first motor 12, a second gear 14 meshing with the first gear 13 is coaxially connected to the delivery pipe 15, a nozzle seat 21 is connected to the end of the delivery pipe 15, a nozzle seat 21 is connected to a nozzle 20, an outer wall of the nozzle seat 21 is connected to a cylinder 19, and a cleaning brush 22 is connected to the piston rod of the cylinder 19. During the specific operation, the pipeline is placed on the pipeline support seat, and the cylinder is turned on so that the cleaning brush fits against the inner wall of the pipeline; the second motor is turned on so that the disc is displaced in the pipeline, and the first motor is turned on at the same time so that the cleaning brush rotates to clean the inner wall of the pipeline, so that the disc pushes the cleaned foreign matter out of the pipeline; the cylinder is reset so that the cleaning brush is separated from the inner wall of the pipeline, the second motor rotates in the opposite direction, the disc is displaced in the opposite direction, the electronic valve is turned on, and the inner wall of the pipeline is sprayed through the nozzle during the displacement process. The pipeline inner wall anti-corrosion spraying equipment provided by the present invention can clean the inner wall of the pipeline before spraying, and sweep out the internal foreign matter, and then immediately spray the inner wall of the pipeline for anti-corrosion treatment. The device can combine cleaning and spraying on the same device, which greatly improves the efficiency of the pipeline inner wall spraying operation.

[0029] In a preferred embodiment of the present invention, in order to enable the delivery pipe to rotate effectively and smoothly, a bearing is provided in the middle of the disk body 11, and the delivery pipe 15 is at least partially rotatably disposed in the bearing.

[0030] In a preferred embodiment of the present invention, in order to facilitate the on-off control of the supply of the spraying liquid, an electronic valve 17 is provided on the connecting pipe 18, and a delivery hose is connected to the electronic valve 17.

[0031] In a preferred embodiment of the present invention, in order to fix the delivery hose and avoid interference during displacement, a plurality of limiting rings 10 are arranged at intervals on the support rod 9 , and the delivery hose passes through the limiting rings 10 .

[0032] In a preferred embodiment of the present invention, in order to drive the disc to reciprocate in the pipeline, the driving mechanism includes a seat body arranged on the base 2, a second motor 8 is arranged on the seat body, a screw 5 is connected to the output shaft of the second motor 8, a screw nut 7 is arranged on the screw 5, and the screw nut 7 is fixed on the sliding seat 6.

[0033] In a preferred embodiment of the present invention, in order to limit the displacement of the sliding seat, a slide rail 4 is provided on the base 2 , and a slide groove cooperating with the slide rail 4 is formed at the lower end of the sliding seat 6 .

[0034] In a preferred embodiment of the present invention, in order to fix the pipe in the pipe support seat, a pipe support seat 1 is provided on the base 2, and a plurality of arc-shaped clamps 3 are detachably provided on the pipe support seat 1.

[0035] In a preferred embodiment of the present invention, in order to prevent the displacement of the pipeline when the disc moves inside the pipeline, thereby affecting the cleaning and spraying operations, a screw rod 23 is provided at the end of the pipeline support seat 1, and a limit strip 25 is slidably provided on the screw rod 23, and locking nuts 24 are respectively provided on both sides of the limit strip 25.

[0036] The present invention also provides a spraying method using the above-mentioned pipeline inner wall anticorrosion spraying equipment, the spraying method comprising:

[0037] S1. Place the pipe on the pipe support seat 1, and start the cylinder 19 so that the cleaning brush 22 fits against the inner wall of the pipe;

[0038] S2, turning on the second motor 8 to displace the disc 11 in the pipe, and at the same time turning on the first motor 12 to rotate the cleaning brush 22 to clean the inner wall of the pipe, so that the disc 11 pushes the cleaned foreign matter out of the pipe;

[0039] S3, the cylinder 19 is reset, so that the cleaning brush 22 is separated from the inner wall of the pipeline, the second motor 8 rotates in the opposite direction, the disc 11 moves in the opposite direction, and the electronic valve 17 is opened. During the displacement process, the inner wall of the pipeline is sprayed through the nozzle 20.

[0040] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

[0041] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0042] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A pipeline inner wall anti-corrosion spraying equipment, characterized in that: The pipeline inner wall anti-corrosion spraying device comprises a base (2), a driving mechanism is arranged at the end of the base (2), a sliding seat (6) is arranged on the driving mechanism, a disk (11) is connected to the sliding seat (6) via a support rod (9), a delivery pipe (15) is rotatably arranged in the middle of the disk (11), a mounting seat (16) is fixed on the support rod (9), a connecting pipe (18) is fixed on the mounting seat (16), and an end of the connecting pipe (18) is rotatably arranged in the delivery pipe (15), A first motor (12) is arranged on the back of the disk body (11); a first gear (13) is connected to the output shaft of the first motor (12); a second gear (14) meshing with the first gear (13) is coaxially connected to the delivery pipe (15); an end of the delivery pipe (15) is connected to a nozzle seat (21); a nozzle (20) is connected to the nozzle seat (21); an outer wall of the nozzle seat (21) is connected to a cylinder (19); and a cleaning brush (22) is connected to the piston rod of the cylinder (19).

2. The pipeline inner wall anti-corrosion spraying equipment according to claim 1 is characterized in that: A bearing is arranged in the middle of the disk body (11), and the delivery pipe (15) is at least partially rotatably arranged in the bearing.

3. The pipeline inner wall anti-corrosion spraying equipment according to claim 2 is characterized in that: The connecting pipe (18) is provided with an electronic valve (17), and the electronic valve (17) is connected with a delivery hose.

4. The pipeline inner wall anti-corrosion spraying equipment according to claim 3 is characterized in that: A plurality of limiting rings (10) are arranged at intervals on the support rod (9), and the delivery hose passes through the limiting rings (10).

5. The pipeline inner wall anti-corrosion spraying equipment according to claim 4 is characterized in that: The driving mechanism comprises a seat body arranged on the base (2), a second motor (8) being arranged on the seat body, a lead screw (5) being connected to the output shaft of the second motor (8), a lead screw nut (7) being arranged on the lead screw (5), and the lead screw nut (7) being fixed on the sliding seat (6).

6. The pipeline inner wall anti-corrosion spraying equipment according to claim 5 is characterized in that: A slide rail (4) is provided on the base (2), and a slide groove cooperating with the slide rail (4) is formed at the lower end of the slide seat (6).

7. The pipeline inner wall anti-corrosion spraying equipment according to claim 6 is characterized in that: A pipeline support seat (1) is arranged on the base (2), and a plurality of arc-shaped clamps (3) are detachably arranged on the pipeline support seat (1).

8. The pipeline inner wall anti-corrosion spraying equipment according to claim 7 is characterized in that: A screw rod (23) is provided at the end of the pipeline support seat (1), a limit strip (25) is slidably provided on the screw rod (23), and locking nuts (24) are respectively provided on both sides of the limit strip (25).

9. A spraying method using the pipeline inner wall anticorrosion spraying equipment according to claim 8, characterized in that: The spraying method comprises: S1. Place the pipeline on the pipeline support seat (1), and start the cylinder (19) so that the cleaning brush (22) fits against the inner wall of the pipeline; S2, turning on the second motor (8) to displace the disc (11) in the pipeline, and at the same time turning on the first motor (12) to rotate the cleaning brush (22) to clean the inner wall of the pipeline, so that the disc (11) pushes the cleaned foreign matter out of the pipeline; S3, the air cylinder (19) is reset, so that the cleaning brush (22) is separated from the inner wall of the pipeline, the second motor (8) rotates in the reverse direction, the disc (11) moves in the reverse direction, the electronic valve (17) is opened, and during the displacement process, the inner wall of the pipeline is sprayed through the nozzle (20).

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