CN219187477U

CN219187477U - Device for repairing joint coating in steel pipeline

Info

Publication number: CN219187477U
Application number: CN202320227717.4U
Authority: CN
Inventors: 高书田; 易静; 郑小娇
Original assignee: Sichuan Southwest Environmental Protection Technology Anticorrosion Co ltd
Current assignee: Sichuan Southwest Environmental Protection Technology Anticorrosion Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-06-16
Anticipated expiration: 2033-02-16

Abstract

The utility model discloses a device for repairing a joint in a steel pipeline, and belongs to the technical field of pipeline corrosion prevention. The utility model provides a device is used in mending mouth mending in steel pipeline, includes the body, is provided with the locomotive in the body, still includes: the rotating seat is rotationally connected to the moving vehicle, wherein a second motor is fixedly connected to the rotating seat, the output end of the second motor is fixedly connected with a polishing disc, the polishing disc is attached to the inner wall of the pipe body, a negative pressure suction nozzle is fixedly connected to the second motor, and the input end of the negative pressure suction nozzle is matched with the contact end of the polishing disc; a spray plate rotatably connected to the cart; according to the utility model, on one hand, generated scraps can be adsorbed, the influence of the scraps on the subsequent spraying of the welding seam is reduced, and on the other hand, the adhesion effect of the preservative solution on the welding seam can be improved, so that the preservative solution can be tightly attached to the welding seam, and the subsequent corrosion prevention effect is ensured.

Description

Device for repairing joint coating in steel pipeline

Technical Field

The utility model relates to the technical field of pipeline corrosion prevention, in particular to a device for repairing a repairing opening in a steel pipeline.

Background

The repair damage of the inner joint of the steel pipe is in the construction category of anti-corrosion engineering and heat insulation engineering, is the next procedure after the pipeline is assembled and welded and the quality inspection is qualified, namely, the repair damage of the damaged anti-corrosion layer and the welding joint assembled by each pipe section in the construction process is mainly aimed at the steel pipe with larger pipe diameter, firstly, a special moving vehicle in the steel pipe with larger pipe diameter is used for moving a polishing machine to the welding joint with damaged and oxidized to process, the metal oxide layer and the carbonized coating layer at the welding joint are polished, and then the anti-corrosion spraying operation is carried out, so that the anti-corrosion material is coated at the welding joint, and the repair operation on the steel pipe is realized.

In the prior art, because traditional steel pipe joint coating equipment polishes the joint coating to the gap in the steel pipe, the piece that produces is adsorbed on nearby pipeline inner wall easily, make piece and spraying material mix mutually, cause very big trouble for follow-up anticorrosive spraying maintenance work, reduce the anticorrosive effect of spraying, this just needs one kind can carry out absorptive equipment to its piece when polishing, both can use the absorption piece with the polisher cooperation, prevent piece and spraying material to mix, guarantee spraying material's antiseptic effect, can carry out anticorrosive spraying operation to the gap department after polishing again, with anticorrosive material cladding in welding seam department, thereby realize the joint coating operation to in the steel pipe pipeline, and then improve staff's efficiency when constructing.

Disclosure of Invention

The utility model aims to solve the problems that chips cannot be adsorbed on the inner wall of a polished pipeline and the follow-up spraying corrosion prevention of a seam is easy to influence in the prior art, and provides a device for repairing a repaired mouth in a steel pipeline.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a device is used in mending mouth benefit to steel pipeline, includes the body, be provided with the locomotive in the body, still include: the rotary seat is rotationally connected to the mobile vehicle, wherein a second motor is fixedly connected to the rotary seat, a polishing disc is fixedly connected to the output end of the second motor, the polishing disc is attached to the inner wall of the pipe body, a negative pressure suction nozzle is fixedly connected to the second motor, and the input end of the negative pressure suction nozzle is matched with the contact end of the polishing disc; and a spray plate rotatably connected to the moving vehicle.

In order to be convenient for encircle polishing to the pipeline inner wall, preferably still include fixed connection in the locomotive first motor, wherein, rotate the output of seat fixed connection in first motor, fixedly connected with negative pressure box on the second motor, the one end fixedly connected with pivot of polishing dish is kept away from to the second motor, the pivot extends to the negative pressure box in fixedly connected with flabellum, second motor lateral wall fixedly connected with collection box, the input and the negative pressure suction nozzle of collection box are linked together, the output of collection box passes through pipeline and negative pressure box fixed connection.

In order to facilitate adsorption and collection of the scraps, a plurality of groups of filter screens are fixedly connected in the collection box.

In order to facilitate spraying operation to gap department, preferably, fixedly connected with negative pressure pump and pressure boost box in the locomotive respectively, set up the stock solution chamber in the locomotive, the input of negative pressure pump is linked together with the stock solution chamber, it is connected with the connecting pipe to rotate on the locomotive, the one end of connecting pipe extends to fixedly connected with turbine blade in the pressure boost box, the pressure boost box is linked together through pipeline and the output of negative pressure pump, spray dish fixed connection is at the other end of connecting pipe, the pressure boost box is linked together with spray dish through the water conservancy diversion passageway.

In order to improve the spraying effect, further, the spraying plate is fixedly connected with spray heads, and the spray heads are symmetrically provided with two groups.

In order to enable the mobile vehicle to stably move, the mobile vehicle is further provided with a moving wheel, and the moving wheel is propped against the inner wall of the pipe body.

Compared with the prior art, the utility model provides a device for repairing the inner repaired mouth of a steel pipeline, which has the following beneficial effects:

1. this device is used in mending mouth benefit in steel pipeline can keep unanimous with the direction of beating the mill through the negative pressure suction nozzle on the one hand, adsorbs the piece that produces, guarantees the clean degree in the body, and on the other hand can also utilize the multiunit filter screen that sets up in the collecting box to concentrate to accomodate it to follow-up to the sweeps is handled, reduces the influence of piece to follow-up welding seam department spraying, thereby improves the anticorrosive effect of follow-up spraying.

2. This device is used in mending mouth benefit in steel pipeline can improve the effect of adhering of antiseptic solution to welding seam department through pivoted spray disc on the one hand, makes can closely laminate between it and the welding seam, guarantees subsequent antiseptic effect, and on the other hand can also utilize centrifugal force to apply effort to antiseptic solution, makes its spraying effect more even to improve the work efficiency that follow-up staff mended the mouth to steel pipe gap department benefit.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, on one hand, the generated scraps can be adsorbed, the influence of the scraps on the spraying of the subsequent welding line is reduced, and on the other hand, the adhesion effect of the preservative solution on the welding line can be improved, so that the preservative solution can be closely attached to the welding line, and the subsequent corrosion prevention effect is ensured.

Drawings

FIG. 1 is a schematic diagram of a device for repairing a repaired mouth in a steel pipeline according to the present utility model;

FIG. 2 is a schematic diagram of the structure of the portion A in FIG. 1 of a device for repairing a repaired mouth in a steel pipeline according to the present utility model;

FIG. 3 is a schematic diagram of a device for repairing a repaired mouth in a steel pipeline according to the present utility model;

fig. 4 is a schematic structural view of a spray plate of the device for repairing a repaired mouth in a steel pipeline according to the present utility model.

In the figure: 1. a tube body; 2. a moving vehicle; 201. a liquid storage cavity; 3. a first motor; 301. a rotating seat; 4. a second motor; 401. polishing the grinding disc; 5. a negative pressure box; 501. a fan blade; 6. a negative pressure suction nozzle; 7. a collection box; 701. a filter screen; 8. a negative pressure pump; 9. a pressurizing box; 901. a turbine blade; 10. a connecting pipe; 11. a diversion channel; 12. a spray plate; 13. a spray head.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples:

referring to fig. 1-4, a device for repairing a joint in a steel pipeline comprises a pipe body 1, wherein a moving trolley 2 is arranged in the pipe body 1, a moving wheel is further installed on the moving trolley 2 and is abutted against the inner wall of the pipe body 1, so that the stability of the moving trolley 2 in moving is improved, a first motor 3 is further installed in the moving trolley 2, the output end of the first motor 3 extends to the outside and is provided with a rotating seat 301, a second motor 4 is further installed on the rotating seat 301, a polishing disc 401 is installed at one end of the second motor 4, the polishing end of the polishing disc 401 is attached to the inner wall of the pipe body 1, when the second motor 4 works, the polishing disc 401 is driven to polish a weld joint, the rotating seat 301 is driven to rotate by the first motor 3, the polishing disc 401 can polish the weld joint in an all-around dead-angle-free manner, and the second motor 4 is also provided with a negative pressure suction nozzle 6 and a collecting box 7, in order to make the negative pressure suction nozzle 6 match with the polishing disc 401 to polish and adsorb scraps, the second motor 4 is also provided with a negative pressure box 5, the other end of the second motor 4 is fixedly connected with a rotating shaft, the rotating shaft is extended to the negative pressure box 5 and is fixedly connected with a fan blade 501, then the input end of the collecting box 7 is communicated with the negative pressure suction nozzle 6, the output end of the collecting box 7 is fixedly connected with the negative pressure box 5 through a pipeline, when the second motor 4 works, negative pressure is generated in the negative pressure box 5, thereby providing suction force for the negative pressure suction nozzle 6, and a one-way valve is also arranged on the pipeline connecting the negative pressure suction nozzle 6 and the collecting box 7 to prevent scraps from leaking, when the polishing disc 401 polishes, the scraps generated by keeping the direction of the negative pressure suction nozzle 6 consistent with the polishing disc 401 on the one hand, guarantee the clean degree in the body 1, on the other hand can also utilize the multiunit filter screen 701 that sets up in the collecting box 7 to concentrate it to handle the sweeps in succession, reduce the influence of piece to the spraying of follow-up welding seam department, thereby improve the anticorrosive effect of follow-up spraying.

In addition, referring to fig. 1, fig. 2 and fig. 4, in order to be convenient for carry out the spraying to the gap after polishing, fixedly connected with negative pressure pump 8 and pressure boost box 9 in locomotive 2 respectively, and set up stock solution chamber 201 in locomotive 2, still fill in stock solution chamber 201 and be used for the anticorrosive material of spraying in gap department, the input with stock solution chamber 201 be linked together again with negative pressure pump 8, rotate on locomotive 2 and be connected with connecting pipe 10, the one end of connecting pipe 10 extends to pressure boost box 9 internal fixedly connected with turbine blade 901, pressure boost box 9 is linked together through the pipeline with the output of negative pressure pump 8, when negative pressure pump 8 carries the liquid in the stock solution chamber 201 to pressure boost box 9 in, turbine blade 901 drives connecting pipe 10 under the effect of liquid flow and rotates, and spray plate 12 fixed connection is at the other end of connecting pipe 10, thereby make spray plate 12 rotate, this in-process, liquid can be carried to spray plate 12 through water conservancy diversion passageway 11, then carry the shower nozzle 13 department with anticorrosive liquid, this in-process, continuous cooperation shower nozzle 13 rotates centrifugal spray, can improve the adhesive effect to follow-up weld joint, can also make the weld joint even, thereby can guarantee the effect can be applied to the weld joint with the subsequent weld joint, further evenly, the joint can be applied to the weld joint, further has good, the effect can be applied to the weld joint, and can be guaranteed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a device is used in mending mouth benefit in steel pipeline, includes body (1), be provided with locomotive (2) in body (1), its characterized in that still includes:

a rotating seat (301) rotatably connected to the mobile vehicle (2),

the rotary seat (301) is fixedly connected with a second motor (4), the output end of the second motor (4) is fixedly connected with a polishing disc (401), the polishing disc (401) is attached to the inner wall of the pipe body (1), the second motor (4) is fixedly connected with a negative pressure suction nozzle (6), and the input end of the negative pressure suction nozzle (6) is matched with the contact end of the polishing disc (401);

a spray plate (12) rotatably connected to the mobile carriage (2).

2. The apparatus for repairing a joint in a steel pipeline according to claim 1, further comprising

A first motor (3) fixedly connected in the moving vehicle (2),

the rotary seat (301) is fixedly connected to the output end of the first motor (3), the negative pressure box (5) is fixedly connected to the second motor (4), one end of the second motor (4) away from the polishing disc (401) is fixedly connected with a rotary shaft, the rotary shaft extends to the inner part of the negative pressure box (5) and is fixedly connected with a fan blade (501), the side wall of the second motor (4) is fixedly connected with a collecting box (7), the input end of the collecting box (7) is communicated with the negative pressure suction nozzle (6), and the output end of the collecting box (7) is fixedly connected with the negative pressure box (5) through a pipeline.

3. The device for repairing the internal joint coating of the steel pipeline according to claim 2, wherein a filter screen (701) is fixedly connected in the collecting box (7), and a plurality of groups of filter screens (701) are arranged.

4. The device for repairing the internal joint coating of the steel pipeline according to claim 1, characterized in that a negative pressure pump (8) and a pressurizing box (9) are fixedly connected in the moving vehicle (2), a liquid storage cavity (201) is formed in the moving vehicle (2), an input end of the negative pressure pump (8) is communicated with the liquid storage cavity (201), a connecting pipe (10) is rotationally connected to the moving vehicle (2), one end of the connecting pipe (10) extends to a turbine blade (901) fixedly connected in the pressurizing box (9), the pressurizing box (9) is communicated with an output end of the negative pressure pump (8) through a pipeline, a spraying disc (12) is fixedly connected to the other end of the connecting pipe (10), and the pressurizing box (9) is communicated with the spraying disc (12) through a flow guide channel (11).

5. The device for repairing the internal joint coating of the steel pipeline according to claim 4, wherein the spray plate (12) is fixedly connected with spray heads (13), and the spray heads (13) are symmetrically provided with two groups.

6. The device for repairing a joint in a steel pipeline according to any one of claims 1 to 5, wherein the moving vehicle (2) is provided with a moving wheel, and the moving wheel is abutted against the inner wall of the pipe body (1).