Device for smearing anticorrosive paint on inner wall of coal mine gas pipe section easy to corrode

Abstract

An anti-corrosion coating smearing device for the inner wall of a coal mine gas easily-corroded pipe section comprises a hose and bristles, the two ends of the hose are fixedly covered with plugs respectively, the two ends of a steel wire flexible shaft penetrate through the plugs at the two ends respectively, one end of the steel wire flexible shaft is in transmission connection with a motor shaft of a motor arranged outside the plugs, and a rotating column is fixed to the other end of the steel wire flexible shaft; a plurality of rows of bristles are uniformly arranged on the outer wall of the inner end of the rotating column, a plurality of scrapers axially arranged along the rotating column are uniformly fixed on the side wall of the outer end of the rotating column, a plurality of nozzles penetrate through plugs on one sides of the bristles, a spray pipe is arranged in the hose and communicated with the inner end of each nozzle, and the other end of the spray pipe extends to the outside of the outer side wall of the hose at one end of the motor. The whole smearing process can be achieved in the outward moving process, the pipeline inner wall smearing device can better extend to the inner end of a pipeline and can be bent, the pipeline inner wall smearing device can conveniently adapt to the pipeline with a certain bending degree, smearing of the inner wall of the pipeline is more uniform, smearing efficiency is higher, and the smearing effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine gas pipeline anticorrosive technical field, specifically is a kind of coal mine gas easy to corrode pipe section inner wall anticorrosive paint daub device. BACKGROUND

[0002] Coal mine gas pipeline is eroded by various corrosive media such as moisture, oxygen, carbon dioxide and sulfide in gas in the long-term use process. These corrosive media can react chemically or electrochemically with pipeline material, causing corrosion on the inner and outer walls of the pipeline. If not promptly treated, corrosion will gradually intensify, eventually leading to pipeline perforation, leakage or even rupture, seriously affecting the safety in production of coal mine and the effective use of gas. Coal mine gas pipeline is an important part of safety in production of coal mine, and its integrity and reliability are directly related to the safety in production of coal mine and the safety of employees. Through anticorrosive daubing, the service life of the pipeline can be effectively prolonged, pipeline failure and safety accidents caused by corrosion can be reduced, and thus the safety in production of coal mine can be ensured. Gas is an important resource in coal mine, and has high utilization value. If gas pipeline leaks due to corrosion, not only resources will be wasted, but also the environment will be polluted. Through anticorrosive daubing, pipeline leakage and loss can be reduced, and the collection and utilization efficiency of gas can be improved, contributing to the sustainable development of coal mine.

[0003] The outer wall of the pipeline is relatively easy to daub anticorrosive paint, but the inner wall is relatively difficult to daub anticorrosive paint due to the length of the pipeline and the arc of some pipelines. Manual daubing is laborious and can easily result in uneven daubing. Therefore, there is an urgent need for a daubing device that can easily daub the inner wall of coal mine gas pipeline. SUMMARY

[0004] To solve the above problems, the utility model aims at providing a coal mine gas easy to corrode pipe section inner wall anticorrosive paint daubing device.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows: a coal mine gas easy to corrode pipe section inner wall anticorrosive paint daubing device, comprising a hose and bristles, the two ends of the hose are respectively covered and fixed with plugs, the two ends of the steel wire flexible shaft are respectively penetrated through the plugs at the two ends, one end of the steel wire flexible shaft is in transmission connection with the motor shaft of the motor arranged outside the plug, the other end of the steel wire flexible shaft is fixed with a rotating column, the inner end of the rotating column is uniformly provided with a plurality of rows of bristles on the outer wall, the side wall of the outer end of the rotating column is uniformly fixed with a plurality of scrapers arranged along the axis of the rotating column, the plug on one side of the bristles is penetrated through a plurality of nozzles, a spray pipe is arranged in the hose and communicates with the inner end of each nozzle, the other end of the spray pipe extends to the outside of the hose on one side of the motor.

[0006] Further, the scraper is S-shaped.

[0007] Further, the outer part of the plug near the end of the brush is covered with a rubber sealing ring.

[0008] Further, the motor is covered with a motor cover fixedly connected with the side plug, and a handle is arranged at the outer end of the motor cover.

[0009] Further, a charging battery is arranged in the motor cover to supply power to the motor, and a control switch is arranged on the outer side wall of the motor cover to electrically connect the motor and the charging battery.

[0010] Further, the two ends of the steel wire flexible shaft are fixedly connected with rigid shafts, and bearings are arranged around the parts of the rigid shafts penetrating the plug.

[0011] Further, the outer edge of the scraper is provided with a rubber scraping strip for contacting the inner side wall of the pipeline.

[0012] Through the above arrangement, when the coal mine gas pipeline section is painted, one end of the brush is put into the coal mine gas pipeline section, the motor works to drive the brush on the rotating column and the scraper to rotate closely to the side wall of the pipeline through the steel wire flexible shaft, at the same time, the supply pump of the anticorrosive paint is connected with the outer end of the spray head, the anticorrosive paint is sprayed from the spray head, the spray head is aimed at the pipeline side wall at the outer end of the brush, the sprayed anticorrosive paint is uniformly painted to the pipeline side wall through the rotating brush, the hand is simultaneously moved outward, the anticorrosive paint painted by the brush is further scraped and painted by the rotating scraper, so that the inner wall of the pipeline is uniformly and smoothly painted with anticorrosive paint, the whole painting process can be realized in the outward moving process of the utility model, the utility model can better extend to the inner end of the pipeline and can be bent, so as to be convenient for adapting to the pipeline with a certain bending degree, so that the pipeline inner wall is more uniformly painted, the painting efficiency is higher, and the painting effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Fig. 2 is a schematic diagram of the enlarged structure of one end of the brush of the utility model. DETAILED DESCRIPTION

[0015] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application. In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as a limitation on the devices or elements indicated, or as a requirement for a particular orientation, structure and operation, and therefore cannot be understood as a limitation on the present application.

[0016] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0017] The present embodiment will be described in detail below in connection with the drawings:

[0018] The present embodiment provides a kind of coal mine gas easily corroded pipe section inner wall anticorrosive paint smearing device, please refer to the drawing in specification Figs. 1-2 .

[0019] As Figs. 1-2 shown, a kind of coal mine gas easily corroded pipe section inner wall anticorrosive paint smearing device, including hose 1 and bristle (17, the two ends of hose 1 are covered and fixed with plug 3, the two ends of steel wire flexible shaft 2 are respectively penetrated through two plugs 3, one end of steel wire flexible shaft 2 is drivenly connected with the motor shaft of motor 4 arranged outside plug 3, the other end of steel wire flexible shaft 2 is fixed with rotating column 5, the inner end outer wall of rotating column 5 is uniformly provided with multiple rows of bristle 2, the side wall of the outer end of rotating column 5 is uniformly fixed with multiple scrapers 6 arranged along the axial direction of rotating column 5, and the scraper 6 is S-shaped, the outer edge of scraper 6 is provided with rubber scraping strip 18 for contacting with the inner wall of pipe, the plug 3 of one side of bristle 2 is penetrated through multiple spray heads 7, spray pipe 8 is arranged in hose 1 and communicated with the inner end of each spray head 7, the other end of spray pipe 8 extends to the outer side wall outside motor 4 one end of hose 1.

[0020] Specific: the plug 3 near the end of the bristles 17 is also covered with a rubber seal ring 9, the motor 4 is covered with a motor cover 10 fixedly connected with the plug 3 on this side, the outer end of the motor cover 10 is provided with a handle 11, the motor cover 10 is provided with a charging battery 12 for supplying power to the motor 4, and the outer side wall of the motor cover 10 is provided with a control switch 14 for electrically connecting the motor 4 and the charging battery 12, so that when working, the control switch 14 can be opened, and the two ends of the steel wire flexible shaft 2 are respectively fixed with rigid shafts 15, and the parts of the rigid shafts 15 penetrating through the plug 3 are respectively sleeved with bearings 16.

[0021] The utility model works: install a section of coal mine gas pipe, put one end of the bristles 17 into the coal mine gas pipe, the size of the utility model can choose different models according to the diameter of the coal mine gas pipe, the motor 4 works through the steel wire flexible shaft 2 and drives the bristles 2 and the scraper 6 on the rotating column 5 to rotate closely to the side wall of the pipeline, at the same time, the outer end of the nozzle 7 is connected with the supply pump of anticorrosive paint, the anticorrosive paint is sprayed from the nozzle 7, the nozzle 7 is aimed at the side wall of the pipeline outside the bristles 2, the anticorrosive paint is evenly coated to the side wall of the pipeline through the rotating bristles 2, the hand is moved outward at the same time, the inner end of the pipeline can be pushed inward for a certain distance, which is convenient for coating the anticorrosive paint at the beginning, the anticorrosive paint coated by the bristles is further scraped and coated by the rotating scraper 6, so that the inner wall of the pipeline is evenly and smoothly coated, the whole coating process can be realized in the process of moving outward of the utility model, the utility model can be better extended to the inner end of the pipeline and can be bent, which is convenient for adapting to the pipeline with a certain bending degree, so that the pipeline inner wall is more evenly coated, the coating efficiency is higher, and the coating effect is better.

[0022] Of course, the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A kind of coal mine gas easily corroded pipe section inner wall anticorrosive paint painting device, including hose (1) and bristle (17), it is characterized by: The both ends of the hose (1) are respectively covered and fixed with plugs (3), the both ends of the steel wire flexible shaft (2) respectively penetrate the plugs (3) of the both ends, one end of the steel wire flexible shaft (2) is in transmission connection with the motor shaft of the motor (4) arranged outside the plug (3), the other end of the steel wire flexible shaft (2) is fixed with a rotating column (5), the inner end outer wall of the rotating column (5) is uniformly provided with multiple rows of brush hairs (2), the side wall of the outer end of the rotating column (5) is uniformly fixed with multiple scrapers (6) arranged along the axial direction of the rotating column (5), the plug (3) on one side of the brush hair (2) penetrates multiple spray heads (7), the hose (1) is provided with a spray pipe (8) in communication with the inner end of each spray head (7), the other end of the spray pipe (8) extends to the outside of the hose (1) on one end of the motor (4).

2. The coal mine gas easily-corroded pipe section inner wall anti-corrosion paint smearing device according to claim 1, characterized in that: The scraper (6) is S-shaped.

3. The coal mine gas easily-corroded pipe section inner wall anti-corrosion paint smearing device according to claim 1, characterized in that: The outside of the plug (3) close to the one end of the brush hair (17) is further covered with a rubber sealing ring (9).

4. The coal mine gas easily-corroded pipe section inner wall anti-corrosion paint smearing device according to claim 1, characterized in that: The outside of the motor (4) is covered with a motor cover (10) fixedly connected with the plug (3) on this side, the outer end of the motor cover (10) is provided with a handle (11).

5. The coal mine gas easily-corroded pipe section inner wall anti-corrosion paint smearing device according to claim 1, characterized in that: The motor cover (10) is provided with a charging battery (12) for supplying power to the motor (4), the outer side wall of the motor cover (10) is provided with a control switch (14) for electrically connecting the motor (4) and the charging battery (12).

6. The coal mine gas easily-corroded pipe section inner wall anti-corrosion paint smearing device according to claim 1, characterized in that: The both ends of the steel wire flexible shaft (2) are respectively fixed with rigid shafts (15), and the parts of the rigid shafts (15) penetrating the plugs (3) are respectively sleeved with bearings (16).

7. The coal mine gas easily-corroded pipe section inner wall anti-corrosion paint smearing device according to claim 1, characterized in that: The outer edge of the scraper (6) is provided with a rubber scraper strip (18) for contacting the inner side wall of the pipeline.

Images