阅读说明：本技术 一种钢管防腐用内涂层及其涂覆工艺 (Inner coating for corrosion prevention of steel pipe and coating process thereof ) 是由 赵翠 高奇奇 宋家骏 贾燕南 宋丽娟 孙付增 于 2021-06-28 设计创作，主要内容包括：本发明属于钢管技术领域,尤其为一种钢管防腐用内涂层及其涂覆工艺。包括基座,所述基座表面固定连接有固定板,所述固定板表面穿设有第一轴承,所述第一轴承内穿设有空心转轴,所述空心转轴内设置有第二轴承,所述第二轴承内穿设有连接管,本发明,通过设置第一正反电机,当人们需要对钢管本体内壁进行涂覆时,人们只需要通过控制开关控制第一正反电机运作,从而可以带动第一滑轮进行转动,在皮带的作用下,从而可以带动第二滑轮进行转动,在第一滑轮和第二滑轮的相互作用下,从而可以带动空心转轴进行转动,进而可以带动粉刷辊进行转动,即可对钢管本体内壁进行涂覆,在第一正反电机的作用下,从而在对钢管本体内壁进行涂覆时更加快捷。(The invention belongs to the technical field of steel pipes, and particularly relates to an inner coating for corrosion prevention of a steel pipe and a coating process thereof. Comprises a base, wherein the surface of the base is fixedly connected with a fixed plate, the surface of the fixed plate is penetrated with a first bearing, the hollow rotating shaft penetrates through the first bearing, the second bearing is arranged in the hollow rotating shaft, and the connecting pipe penetrates through the second bearing, when people need to coat the inner wall of the steel pipe body, people only need to control the first positive and negative motors to operate through the control switch, so that the first pulley can be driven to rotate, under the action of the belt, the second pulley can be driven to rotate, and under the interaction of the first pulley and the second pulley, the hollow rotating shaft can be driven to rotate, so that the brush roller can be driven to rotate, can coat steel pipe body inner wall, under the effect of first positive and negative motor to it is more swift when coating steel pipe body inner wall.)

1. The coating process for corrosion prevention of the steel pipe comprises a base (1), and is characterized in that: the surface of the base (1) is fixedly connected with a fixed plate (2), a first bearing (3) penetrates through the surface of the fixed plate (2), a hollow rotating shaft (4) penetrates through the first bearing (3), a second bearing (5) is arranged in the hollow rotating shaft (4), a connecting pipe (6) is arranged in the second bearing (5) in a penetrating way, the other end of the hollow rotating shaft (4) is fixedly connected with a grinding roller (7), a supporting frame (8) is fixedly connected to the surface of the fixing plate (2), a first positive and negative motor (9) is fixedly connected to the surface of the supporting frame (8), the output shaft of the first positive and negative motor (9) is fixedly connected with a first pulley (10), the surface of the first pulley (10) is sleeved with a belt (11), the surface of the hollow rotating shaft (4) is fixedly connected with a second pulley (12), the first pulley (10) is in transmission connection with the second pulley (12) through a belt (11).

2. The coating process for corrosion prevention of a steel pipe according to claim 1, characterized in that: the surface of the base (1) is fixedly connected with a first electric push rod (13), the other end of the first electric push rod (13) is fixedly connected with a placing plate (14), a first groove (15) is formed in the surface of the placing plate (14), the inner wall of the first groove (15) is fixedly connected with a second positive and negative motor (16), and an output shaft of the second positive and negative motor (16) is fixedly connected with a gear (17).

3. The coating process for corrosion prevention of a steel pipe according to claim 2, characterized in that: the surface of the placing plate (14) is provided with a sliding groove (18), a sliding block (19) is connected in the sliding groove (18) in a sliding mode, the other end of the sliding block (19) is fixedly connected with a movable plate (20), the lower surface of the movable plate (20) is fixedly connected with a rack (21), and the gear (17) and the rack (21) are kneaded.

4. The coating process for corrosion prevention of a steel pipe according to claim 3, characterized in that: the utility model discloses a portable plate, including fly leaf (20), first anchor clamps (22) fixed surface are connected with first anchor clamps (22), first anchor clamps (22) fixed surface is connected with first fixed block (23), first anchor clamps (22) surface is provided with second anchor clamps (24), second anchor clamps (24) fixed surface is connected with second fixed block (38), screwed pipe (26) are worn to be equipped with on second fixed block (38) surface, screwed pipe (26) female connection has screw post (25), screw post (25) one end fixedly connected with carousel (29).

5. The coating process for corrosion prevention of a steel pipe according to claim 4, characterized in that: the utility model discloses a clamp, including threaded column (25), first fixed block (23), first anchor clamps (22), first pivot (27), first fixed block (25) other end fixedly connected with first pivot (27), first fixed block (23) fixed surface is connected with third bearing (28), first pivot (27) other end is worn to establish in third bearing (28), and first anchor clamps (22) are total two, and symmetric connection is on fly leaf (20) surface, first anchor clamps (22) surface is provided with steel pipe body (30).

6. The coating process for corrosion prevention of a steel pipe according to claim 1, characterized in that: an energy storage bin (31) is arranged in the base (1), and a storage battery (32) is fixedly connected to the inner wall of the energy storage bin (31).

7. The coating process for corrosion prevention of a steel pipe according to claim 1, characterized in that: second recess (33) have been seted up to base (1) lower surface, second recess (33) inner wall fixedly connected with second electric putter (34), second electric putter (34) other end fixedly connected with universal wheel (35), second recess (33) are total four, and are the rectangle and set up at base (1) lower surface.

8. The coating process for corrosion prevention of a steel pipe according to claim 1, characterized in that: the base (1) lower fixed surface is connected with supporting leg (36), supporting leg (36) are total four, and are the rectangular connection at base (1) lower surface, base (1) fixed surface is connected with control switch (37).

9. The utility model provides a steel pipe is anticorrosive with undercoating, includes undercoating body (39), its characterized in that: interior coating body (39) include anode protection layer (40), zinc coating (41) and epoxy coating layer (42), anode protection layer (40) lower surface is provided with zinc coating (41), zinc coating (41) lower surface is provided with epoxy coating layer (42), the used coating of epoxy coating layer (42) is solvent-free novolac epoxy ceramic coating, the ceramic powder as the filler among the solvent-free novolac epoxy ceramic coating is quartz powder and alpha-Al₂O₃The epoxy resin component of the solvent-free novolac epoxy ceramic coating comprises: a novolac epoxy resin; liquid bisphenol a epoxy resin; a reactive diluent; an auxiliary agent; and (3) ceramic powder.

Technical Field

The invention belongs to the technical field of steel pipes, and particularly relates to an inner coating for corrosion prevention of a steel pipe and a coating process thereof.

Background

Steel having a hollow cross-section with a length much greater than the diameter or circumference. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the cross section; the steel pipe is divided into a carbon structural steel pipe, a low-alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment and the like according to the application; but present steel pipe is when carrying out the water delivery, corrodes the steel pipe easily under long-time use, generally now to the surface anticorrosive, rarely carry out anticorrosive to its inner wall, simultaneously to its inner wall of steel pipe coat very inconvenient very now to increased the work degree of difficulty, reduced work efficiency.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides an inner coating for corrosion prevention of a steel pipe and a coating process thereof, which have the characteristics of convenience in coating and corrosion prevention of an inner wall.

In order to achieve the purpose, the invention provides the following technical scheme: an inner coating for corrosion prevention of a steel pipe and a coating process thereof. The undercoating comprises an undercoating body, and the undercoating body comprises an anode protective layer, a zinc coating and an epoxy coating layer. The coating process comprises a base, wherein a fixing plate is fixedly connected to the surface of the base, a first bearing is arranged on the surface of the fixing plate in a penetrating mode, a hollow rotating shaft is arranged in the first bearing in a penetrating mode, a second bearing is arranged in the hollow rotating shaft in a penetrating mode, a connecting pipe is arranged in the second bearing in a penetrating mode, the other end of the hollow rotating shaft is fixedly connected with a powder brush roller, a supporting frame is fixedly connected to the surface of the fixing plate, a first positive and negative motor is fixedly connected to the surface of the supporting frame, a first pulley is fixedly connected to an output shaft of the first positive and negative motor, a belt is sleeved on the surface of the first pulley, a second pulley is fixedly connected to the surface of the hollow rotating shaft, and the first pulley is connected with the second pulley through belt transmission.

The utility model provides a steel pipe is anticorrosive with undercoating, includes the undercoating body, the undercoating body includes anode protection layer, zinc coating and epoxy coating layer, anode protection layer lower surface is provided with the zinc coating, the zinc coating lower surface is provided with the epoxy coating layer, the used coating of epoxy coating layer is solvent-free novolac epoxy ceramic coating, the ceramic powder as the filler among the solvent-free novolac epoxy ceramic coating is quartz powder and alpha-Al 2O3, solvent-free novolac epoxy ceramic coating's epoxy resin component include: a novolac epoxy resin; liquid bisphenol a epoxy resin; a reactive diluent; an auxiliary agent; and (3) ceramic powder.

Preferably, the surface of the base is fixedly connected with a first electric push rod, the other end of the first electric push rod is fixedly connected with a placing plate, the surface of the placing plate is provided with a first groove, the inner wall of the first groove is fixedly connected with a second positive and negative motor, and the output shaft of the second positive and negative motor is fixedly connected with a gear.

Preferably, the surface of the placing plate is provided with a sliding groove, a sliding block is connected in the sliding groove in a sliding mode, the other end of the sliding block is fixedly connected with a movable plate, a rack is fixedly connected to the lower surface of the movable plate, and the gear is kneaded with the rack.

Preferably, fly leaf fixed surface is connected with first anchor clamps, first anchor clamps fixed surface is connected with first fixed block, first anchor clamps surface is provided with second anchor clamps, second anchor clamps fixed surface is connected with the second fixed block, the screwed pipe is worn to be equipped with on second fixed block surface, screwed pipe female connection has the screw thread post, screw thread post one end fixedly connected with carousel.

Preferably, the first pivot of screw thread post other end fixedly connected with, first fixed block fixed surface is connected with the third bearing, the first pivot other end is worn to establish in the third bearing, first anchor clamps are total two, and the symmetric connection is on the fly leaf surface, first anchor clamps surface is provided with the steel pipe body.

Preferably, an energy storage bin is arranged in the base, and a storage battery is fixedly connected to the inner wall of the energy storage bin.

Preferably, the second groove has been seted up to the base lower surface, second groove inner wall fixedly connected with second electric putter, second electric putter other end fixedly connected with universal wheel, the second groove is total four, and is seted up at the base lower surface in the rectangle.

Preferably, the base lower surface is fixedly connected with the supporting legs, the supporting legs are four in number and are connected to the lower surface of the base in a rectangular mode, and the base surface is fixedly connected with the control switch.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the first positive and negative motor, when people need to coat the inner wall of the steel pipe body, people only need to control the first positive and negative motor to operate through the control switch, so that the first pulley can be driven to rotate, the second pulley can be driven to rotate under the action of the belt, the hollow rotating shaft can be driven to rotate under the interaction of the first pulley and the second pulley, the painting roller can be driven to rotate, the inner wall of the steel pipe body can be coated, and under the action of the first positive and negative motor, the inner wall of the steel pipe body can be coated more quickly, so that the working efficiency of people is improved.

2. According to the invention, through the arrangement of the second positive and negative motor, when people need to move the steel pipe body, people only need to control the second positive and negative motor to operate through the control switch, so that the gear can be driven to rotate, the movable plate can be driven to move under the mutual kneading of the gear and the rack, the first clamp can be driven to move, the steel pipe body can be driven to move, and under the action of the second positive and negative motor, people can move the steel pipe body more quickly, so that the working efficiency of people is improved, and meanwhile, people can conveniently coat the inside of the steel pipe body.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a front view cross section of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic structural view of a steel pipe body according to the present invention;

in the figure: 1. a base; 2. a fixing plate; 3. a first bearing; 4. a hollow rotating shaft; 5. a second bearing; 6. a connecting pipe; 7. a brush roller; 8. a support frame; 9. a first positive and negative motor; 10. a first pulley; 11. a belt; 12. a second pulley; 13. a first electric push rod; 14. placing the plate; 15. a first groove; 16. a second positive and negative motor; 17. a gear; 18. a chute; 19. a slider; 20. a movable plate; 21. a rack; 22. a first clamp; 23. a first fixed block; 24. a second clamp; 25. a threaded post; 26. a threaded pipe; 27. a first rotating shaft; 28. a third bearing; 29. a turntable; 30. a steel pipe body; 31. an energy storage bin; 32. a storage battery; 33. a second groove; 34. a second electric push rod; 35. a universal wheel; 36. supporting legs; 37. a control switch; 38. a second fixed block; 39. an inner coating body; 40. an anode protective layer; 41. a zinc layer; 42. and (4) an epoxy coating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: an inner coating for steel pipe corrosion prevention and its coating process. The undercoat layer includes an undercoat layer body 30, the undercoat layer body 30 including an anode protection layer 40, a zinc layer 41, and an epoxy paint layer 42. The coating process comprises a base 1, a fixed plate 2 is fixedly connected to the surface of the base 1, a first bearing 3 penetrates through the surface of the fixed plate 2, a hollow rotating shaft 4 penetrates through the first bearing 3, a second bearing 5 is arranged in the hollow rotating shaft 4, a connecting pipe 6 penetrates through the second bearing 5, a grinding roller 7 is fixedly connected to the other end of the hollow rotating shaft 4, a support frame 8 is fixedly connected to the surface of the fixed plate 2, a first positive and negative motor 9 is fixedly connected to the surface of the support frame 8, and by arranging the first positive and negative motor 9, when people need to coat the inner wall of a steel pipe body 30, people only need to control the operation of the first positive and negative motor 9 through a control switch 37, so that the first pulley 10 can be driven to rotate, under the action of a belt 11, the second pulley 12 can be driven to rotate, under the interaction of the first pulley 10 and the second pulley 12, so that the hollow rotating shaft 4 can be driven to rotate, and then can drive the brush roller 7 and rotate, can coat the 30 inner walls of steel pipe body, under the effect of first positive and negative motor 9, thereby it is more swift when coating the 30 inner walls of steel pipe body, and then people's work efficiency has been improved, the first pulley 10 of output shaft fixedly connected with of first positive and negative motor 9, belt 11 has been cup jointed on first pulley 10 surface, 4 fixed surface of hollow rotating shaft are connected with second pulley 12, first pulley 10 passes through belt 11 transmission with second pulley 12 and is connected.

Specifically, the surface of the base 1 is fixedly connected with a first electric push rod 13, the other end of the first electric push rod 13 is fixedly connected with a placing plate 14, the surface of the placing plate 14 is provided with a first groove 15, the inner wall of the first groove 15 is fixedly connected with a second positive and negative motor 16, by arranging the second positive and negative motor 16, when people need to move the steel pipe body 30, people only need to control the second positive and negative motor 16 to operate through a control switch 37, so that the gear 17 can be driven to rotate, the movable plate 20 can be driven to move under the mutual kneading of the gear 17 and the rack 21, and the first clamp 22 can be driven to move, and the steel pipe body 30 can be driven to move, under the action of the second positive and negative motor 16, so that people can move the steel pipe body 30 more quickly, and the work efficiency of people is improved, and meanwhile, people can conveniently coat the inside of the steel pipe body 30, the output shaft of the second positive and negative motor 16 is fixedly connected with a gear 17.

Specifically, the surface of the placing plate 14 is provided with a sliding groove 18, the sliding groove 18 is slidably connected with a sliding block 19, the other end of the sliding block 19 is fixedly connected with a movable plate 20, the lower surface of the movable plate 20 is fixedly connected with a rack 21, and the gear 17 is kneaded with the rack 21.

Specifically, the surface of the movable plate 20 is fixedly connected with a first clamp 22, the surface of the first clamp 22 is fixedly connected with a first fixing block 23, the surface of the first clamp 22 is provided with a second clamp 24, the surface of the second clamp 24 is fixedly connected with a second fixing block 38, a threaded pipe 26 is arranged on the surface of the second fixing block 38 in a penetrating mode, the threaded pipe 26 is connected with a threaded column 25 in an internal thread mode, and one end of the threaded column 25 is fixedly connected with a rotary table 29.

Specifically, the other end of the threaded column 25 is fixedly connected with a first rotating shaft 27, the surface of the first fixing block 23 is fixedly connected with a third bearing 28, the other end of the first rotating shaft 27 penetrates through the third bearing 28, the number of the first clamps 22 is two, the first clamps 22 are symmetrically connected to the surface of the movable plate 20, and the surface of the first clamps 22 is provided with a steel pipe body 30.

Specifically, an energy storage bin 31 is arranged in the base 1, and a storage battery 32 is fixedly connected to the inner wall of the energy storage bin 31.

Specifically, the lower surface of the base 1 is provided with a second groove 33, the inner wall of the second groove 33 is fixedly connected with a second electric push rod 34, the other end of the second electric push rod 34 is fixedly connected with a universal wheel 35, and the number of the second grooves 33 is four, and the second grooves are arranged on the lower surface of the base 1 in a rectangular shape.

Specifically, the fixed surface of base 1 is connected with supporting leg 36, and supporting leg 36 is total four, and is the rectangular connection at base 1 lower surface, and base 1 fixed surface is connected with control switch 37.

The utility model provides an anticorrosive undercoating of using of steel pipe, includes undercoating body 39, undercoating body 39 includes anode protection layer 40, zinc coating 41 and epoxy coating layer 42, anode protection layer 40 lower surface is provided with zinc coating 41, zinc coating 41 lower surface is provided with epoxy coating layer 42, the used coating of epoxy coating layer 42 is solvent-free novolac epoxy ceramic coating, the ceramic powder as the filler in the solvent-free novolac epoxy ceramic coating is quartz powder and alpha-Al 2O3, solvent-free novolac epoxy ceramic coating's epoxy resin component include: a novolac epoxy resin; liquid bisphenol a epoxy resin; a reactive diluent; an auxiliary agent; and (3) ceramic powder.

The working principle and the using process of the invention are as follows: when the device is used, firstly, the device is placed at a proper position, when people need to coat the steel pipe body 30, people firstly place the steel pipe body 30 on the surface of the first clamp 22, then people rotate the turntable 29 to drive the threaded column 25 to rotate, under the interaction of the threaded column 25 and the threaded pipe 26, the threaded column 25 can be driven to move, meanwhile, the first fixed block 23 can be driven to move, and then the second clamp 24 can be driven to move, namely, the steel pipe body 30 can be clamped, then people control the operation of the second positive and negative motor 16 through the control switch 37 to drive the gear 17 to rotate, under the mutual kneading of the gear 17 and the rack 21, the movable plate 20 can be driven to move, further, the first clamp 22 can be driven to move, and meanwhile, the steel pipe body 30 can be driven to move to a proper position, last people are controlling first positive and negative motor 9 function through control switch 37, thereby can drive first pulley 10 and rotate, under the effect of belt 11, thereby can drive second pulley 12 and rotate, under the interact of first pulley 10 and second pulley 12, thereby can drive hollow rotating shaft 4 and rotate, and then can drive whitewashed brush roller 7 and rotate, can coat steel pipe body 30 inner wall, secondly people are in proper order with last action, thereby can be with anode protection layer 40, zinc layer 41, epoxy paint layer 42 coats respectively, can protect steel pipe body 30.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.