Coating device for corrosion prevention in long-distance full-diameter pipeline

Abstract

The utility model provides a coating device for corrosion prevention in a long-distance full-diameter pipeline. The coating device solves the problem that repairing and brushing cannot be conducted on a construction site after the pipeline is installed in an existing anticorrosive paint coating mode. The device comprises a motor and a protective shell fixedly sleeved outside the motor, the front end of an output shaft of the motor rotatably penetrates out of the front side of the protective shell, and the front end of the output shaft of the motor is fixedly sleeved with a lantern ring; a plurality of first connecting rods arranged around an output shaft of the motor at equal intervals are fixedly arranged on the protective shell, and rolling wheels are fixedly arranged at the ends, away from the protective shell, of the first adjusting rods and used for abutting against the inner wall of the pipeline in a rolling mode; a second connecting rod perpendicular to an output shaft of the motor is fixedly arranged on the lantern ring, and a brush is fixedly arranged at the end, away from the lantern ring, of the second connecting rod and used for abutting against the inner wall of the pipeline in a sliding mode. A coating spraying device is arranged at the bottom of the protective shell and used for spraying coating to the lower portion of the protective shell. The rear of the protective shell is connected with the traction device.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline anticorrosive brushing technical field, especially point to a kind of long-distance full-diameter pipeline internal anticorrosive coating device. BACKGROUND

[0002] During construction of building pipeline, the inner wall of pipeline needs to be brushed with anticorrosive paint for protection. Current in-pipe brushing is to pour anticorrosive paint into the pipe, and then manually rotate the steel pipe to make the anticorrosive paint coated on the inner wall of the pipeline. This in-pipe anticorrosive paint coating method has the following shortcomings: (1) the flow rate of anticorrosive paint does not match the rotation speed of the manually rotated steel pipe, which easily causes uneven anticorrosive brushing; (2) the manual brushing efficiency is low, which cannot meet the actual construction and production needs on site; (3) this method can only be used in the field, and after the pipeline is installed, it cannot be used for repair and brushing on the construction site. SUMMARY

[0003] In order to solve the problem that the existing anticorrosive paint coating method cannot be used for repair and brushing on the construction site after pipeline installation, the utility model provides a long-distance full-diameter pipeline internal anticorrosive coating device.

[0004] The technical scheme of the utility model is as follows: a long-distance full-diameter pipeline internal anticorrosive coating device, comprising a motor and a protective shell fixedly arranged outside the motor, the front end of the output shaft of the motor is rotatably arranged through the front side of the protective shell, and a sleeve ring is fixedly arranged on the front end of the output shaft of the motor;

[0005] A plurality of first connecting rods are fixedly arranged on the protective shell and equidistantly arranged around the output shaft of the motor, one end of each first connecting rod away from the protective shell is fixedly provided with a roller, and the roller is used to roll against the inner wall of the pipeline;

[0006] A second connecting rod is fixedly arranged on the sleeve ring and perpendicular to the output shaft of the motor, one end of the second connecting rod away from the sleeve ring is fixedly provided with a brush, and the brush is used to slide against the inner wall of the pipeline;

[0007] A paint spraying device is arranged at the bottom of the protective shell, and the paint spraying device is used to spray paint downward;

[0008] The rear part of the protective shell is connected with a traction device, and the traction device is used to pull the protective shell to move rearward.

[0009] Preferably, the first connecting rod and the second connecting rod are both telescopic rod structures with adjustable length.

[0010] Preferably, the first connecting rod and the second connecting rod are both spring telescopic rod structures.

[0011] Preferably, the first connecting rod comprises a first telescopic outer cylinder and a first movable rod, one end of the first telescopic outer cylinder is fixedly connected with the protective shell, the first telescopic outer cylinder is an internally threaded sleeve structure, the first movable rod is a lead screw structure, one end of the first movable rod is movably inserted into the first telescopic outer cylinder and is threadedly connected with the first telescopic outer cylinder, and the other end of the first movable rod is fixedly connected with the roller.

[0012] The second connecting rod comprises a second telescopic outer cylinder and a second movable rod, one end of the second telescopic outer cylinder is fixedly connected with the sleeve ring, the second telescopic outer cylinder is an internally threaded sleeve structure, the second movable rod is a lead screw structure, one end of the second movable rod is movably inserted into the second telescopic outer cylinder and is threadedly connected with the second telescopic outer cylinder, and the other end of the second movable rod is fixedly connected with the brush.

[0013] Preferably, a first anti-skid sleeve is fixedly sleeved at the end of the first movable rod close to the roller, and a second anti-skid sleeve is fixedly sleeved at the end of the second movable rod close to the brush.

[0014] Preferably, a plurality of second connecting rods are fixedly arranged on the sleeve ring at equal intervals around the output shaft of the motor.

[0015] Preferably, the paint spraying device comprises an electric control box and a paint tank, the electric control box is fixedly arranged at the bottom of the protective shell, and a mobile power supply and a controller are arranged in the electric control box.

[0016] The paint tank is fixedly arranged at the bottom of the electric control box, an injection pipe is arranged on the paint tank and communicates with the inside of the paint tank, a detachable plug is arranged at the port of the injection pipe, a paint outlet is arranged at the bottom of the paint tank, and an electromagnetic valve is arranged at the paint outlet.

[0017] The mobile power supply is connected with the motor, the controller and the electromagnetic valve, and the controller is in control connection with the motor and the electromagnetic valve.

[0018] Preferably, a wireless signal receiver is arranged in the electric control box, the wireless signal receiver is connected with the controller, and the wireless signal receiver is in wireless signal connection with a remote controller.

[0019] Preferably, a liquid level sensor is arranged in the paint tank, and the liquid level sensor is connected with the controller.

[0020] The utility model discloses a device for the pipeline anticorrosive coating, which comprises a protective shell, a first telescopic outer cylinder, a first movable rod, a first anti-skid sleeve, a roller, a second telescopic outer cylinder, a second movable rod, a second anti-skid sleeve, a first fixed plate, a fourth connecting rod, a coating brush bottom plate, a brush, a rope ring, an electric control box, a paint tank, an injection pipe, a plug and an electromagnetic valve. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0022] Figure 1 It is the structure schematic drawing of front view angle of embodiment 1;

[0023] Figure 2 It is the structure schematic drawing of rear view angle of embodiment 1; Figure 1

[0024] Figure 3 It is the plane structure schematic drawing of top view angle of embodiment 1; Figure 1

[0025] Figure 4 It is the structure enlarged view of A in embodiment 1; Figure 3

[0026] In the drawing, 1, protective shell, 2, collar, 201, inner ring, 202, third connecting rod, 203, outer ring, 3, first telescopic outer cylinder, 4, first movable rod, 5, first anti-skid sleeve, 6, roller, 7, second telescopic outer cylinder, 8, second movable rod, 9, second anti-skid sleeve, 10, first fixed plate, 11, fourth connecting rod, 12, coating brush bottom plate, 13, brush, 14, rope ring, 15, electric control box, 16, paint tank, 17, injection pipe, 18, plug, 19, electromagnetic valve. DETAILED DESCRIPTION

[0027] ​​​Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Embodiment 1: a long-distance full-diameter pipeline internal anti-corrosion coating device, as shown in Figure 1 , Figure 2 and Figure 3 , comprising a motor and a protective shell fixedly sleeved outside the motor, the front end of the output shaft of the motor rotatingly penetrates through the front side of the protective shell 1, and the front end of the output shaft of the motor is fixedly sleeved with a sleeve ring 2. Specifically, the sleeve ring 2 comprises an inner ring 201 fixedly sleeved on the output shaft of the motor, an outer ring 203 coaxially arranged on the outer side of the inner ring 201, and a third connecting rod fixedly connected between the inner ring 201 and the outer ring 203.

[0029] The protective shell 1 is fixedly provided with two rings of first connecting rods, each ring of three first connecting rods being equidistantly arranged around the output shaft of the motor, and the end of the first adjusting rod away from the protective shell 1 is fixedly provided with a roller 6, which is used for rolling against the inner wall of the pipeline.

[0030] The outer ring 203 is fixedly provided with three second connecting rods equidistantly arranged around the output shaft of the motor, and the second connecting rods are perpendicular to the output shaft of the motor.

[0031] In order to adapt to the brushing requirements of anti-corrosion coatings of different pipe diameters, the first connecting rod and the second connecting rod in the embodiment are both length-adjustable threaded telescopic rod structures. Specifically, the first connecting rod comprises a first telescopic outer cylinder 3 and a first movable rod 4, one end of the first telescopic outer cylinder 3 is fixedly connected with the protective shell 1, the first telescopic outer cylinder 3 is an internal thread sleeve structure, the first movable rod 4 is a lead screw structure, one end of the first movable rod 4 is movably inserted into the first telescopic outer cylinder 3 and is threadedly connected with the first telescopic outer cylinder 3, and the other end of the first movable rod 4 is fixedly connected with the roller 6. In order to facilitate the rotation of the first movable rod 4, a first anti-skid sleeve 5 is fixedly sleeved on the end of the first movable rod 4 close to the roller 6, and the first anti-skid sleeve 5 adopts an anti-skid rubber sleeve structure.

[0032] The second connecting rod comprises a second telescopic outer cylinder 7 and a second movable rod 8, one end of the second telescopic outer cylinder 7 is fixedly connected with the sleeve ring 2, the second telescopic outer cylinder 7 is an internal thread sleeve structure, the second movable rod 8 is a lead screw structure, one end of the second movable rod 8 is movably inserted into the second telescopic outer cylinder 7 and is threadedly connected with the second telescopic outer cylinder 7. In order to facilitate the rotation of the second movable rod 8, a second anti-skid sleeve 9 is fixedly sleeved on the end of the second movable rod 8 close to the brushing, and the second anti-skid sleeve 9 adopts an anti-skid rubber sleeve structure.

[0033] The second movable rod 8 is fixedly provided with a brush at one end away from the second telescopic outer cylinder 7, and the brush is used to slide against the inner wall of the pipeline. Specifically, as shown in the drawings, the brush in the embodiment comprises a first fixed plate 10 fixedly connected with the second movable rod 8, one side of the first fixed plate 10 away from the second movable rod 8 is fixedly connected with one end of a fourth connecting rod 11, the other end of the fourth connecting rod 11 is fixedly connected with a brush bottom plate 12, and the brush bottom plate 12 is fixedly provided with a brush 13 on the side away from the fourth connecting rod 11. Figure 4

[0034] The bottom of the protective shell 1 is provided with a paint spraying device for spraying paint downward. Specifically, as shown in the drawings, Figure 1 and Figure 2 the paint spraying device comprises an electric control box 15 and a paint tank 16, the electric control box 15 is fixedly arranged at the bottom of the protective shell 1, a mobile power supply and a controller are arranged in the electric control box 15, the mobile power supply in the embodiment is a storage battery, and a charging interface electrically connected with the storage battery is arranged on the side wall of the electric control box 15. The paint tank 16 is fixedly arranged at the bottom of the electric control box 15, an injection pipe 17 communicating with the inside of the paint tank 16 is arranged on the paint tank 16, a detachable plug 18 is arranged at the port of the injection pipe 17, a paint outlet is arranged at the bottom of the paint tank 16, and an electromagnetic valve 19 is arranged at the paint outlet; the mobile power supply is connected with the motor, the controller and the electromagnetic valve 19, and the controller is in control connection with the motor and the electromagnetic valve 19.

[0035] In order to remotely control the device, a wireless signal receiver is arranged in the electric control box 15 in the embodiment, the wireless signal receiver is connected with the controller, and the wireless signal receiver is wirelessly connected with a remote controller. The remote controller in the embodiment is provided with a display element.

[0036] In order to intuitively obtain the paint remaining amount in the paint tank 16, so as to avoid the situation that the paint is used up halfway during the pipeline brushing, a liquid level sensor is arranged in the inside of the paint tank 16 in the embodiment, and the liquid level sensor is connected with the controller. The controller transmits the liquid level information obtained by the liquid level sensor to the remote controller, and the display element of the remote controller displays the paint remaining amount in the paint tank 16 in real time.

[0037] A rope ring 14 is fixedly arranged at the rear of the protective shell 1, the rope ring 14 is connected with a traction device, and the traction device is used to pull the protective shell 1 to move rearward. In the embodiment, the traction device is a rope, and one end of the rope is connected with the rope ring 14 by binding.

[0038] ​Working principle: when in use, one end of the rope is connected with the rope ring 14, the other end of the rope is pulled out from the other end of the pipeline, the device is put into the pipeline which needs to be coated with anticorrosive paint, the length of the first connecting rod and the second connecting rod is adjusted, so that the roller 6 rolls against the inner wall of the pipeline, and the brush 13 slides against the inner wall of the pipeline.

[0039] After checking the remaining amount of anticorrosive paint in the paint tank 16 and ensuring that the remaining amount of anticorrosive paint is sufficient, the motor and the electromagnetic valve 19 are opened by the remote control, the anticorrosive paint is poured on the inner wall of the pipeline from the opened electromagnetic valve 19, the operator slowly pulls the rope, the rollers on the three first connecting rods move along the inner wall of the pipeline, and the device moves stably, the motor drives the brush 13 to rotate along the inner wall of the pipeline, when passing through the poured anticorrosive paint, the three rotating brushes 13 quickly and evenly coat the anticorrosive paint on the inner wall of the pipeline, until moving to the other end of the pipeline, the motor and the electromagnetic valve 19 are closed, the device is taken out, the uncoated area at the other end is repaired, and the anticorrosive coating work of the pipeline is completed.

[0040] Embodiment 2: a long-distance full-diameter pipeline internal anticorrosion coating device, the difference between this embodiment and embodiment 1 is that the first connecting rod and the second connecting rod in this embodiment are length-adjustable spring telescopic rod structures. Specifically, the first connecting rod includes a first telescopic outer cylinder 3 and a first movable rod 4, one end of the first telescopic outer cylinder 3 is fixedly connected with the protective shell 1, one end of the first movable rod 4 is movably inserted into the first telescopic outer cylinder 3, the first telescopic outer cylinder 3 is provided with a first compression spring fixedly connected with the first movable rod 4, and the other end of the first movable rod 4 is fixedly connected with the roller 6.

[0041] The second connecting rod includes a second telescopic outer cylinder 7 and a second movable rod 8, one end of the second telescopic outer cylinder 7 is fixedly connected with the sleeve ring 2, one end of the second movable rod 8 is movably inserted into the second telescopic outer cylinder 7, the second telescopic outer cylinder 7 is provided with a second compression spring fixedly connected with the second movable rod 8, and the other end of the second movable rod 8 is fixedly connected with the brush.

[0042] Embodiment 3: a long-distance full-diameter pipeline internal anticorrosion coating device, the difference between this embodiment and embodiment 1 is that the second connecting rod in this embodiment is provided with one. The other structures are the same as those in embodiment 1.

[0043] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than that of the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims with respect to the related part of the claim.

Claims

1. A coating apparatus for long distance full diameter in-line pipe anticorrosion, characterized by: The motor and the protective shell (1) fixedly sleeved outside the motor are included, the front end of the output shaft of the motor rotates and penetrates through the front side of the protective shell (1), and the front end of the output shaft of the motor is fixedly sleeved with a sleeve ring (2); A plurality of first connecting rods equidistantly arranged around the output shaft of the motor are fixedly arranged on the upper portion of the protective shell (1), and the end of the first adjusting rod away from the protective shell (1) is fixedly provided with a roller (6) for rolling against the inner wall of the pipeline. The sleeve ring (2) is fixedly provided with a second connecting rod perpendicular to the output shaft of the motor, and the end of the second connecting rod away from the sleeve ring (2) is fixedly provided with a brush for sliding against the inner wall of the pipeline. The bottom of the protective shell (1) is provided with a paint spraying device for spraying paint downward. The rear portion of the protective shell (1) is connected with a traction device for pulling the protective shell (1) to move rearward.

2. A coating apparatus for long distance full diameter internal pipeline corrosion protection as claimed in claim 1, characterised in that: The first connecting rod and the second connecting rod are both telescopic rod structures with adjustable length.

3. A long distance full diameter in-line pipe coating apparatus as claimed in claim 2, characterised in that: The first connecting rod and the second connecting rod are both spring telescopic rod structures.

4. A long distance full diameter in-line pipe coating apparatus as claimed in claim 2, wherein: The first connecting rod comprises a first telescopic outer cylinder (3) and a first movable rod (4), one end of the first telescopic outer cylinder (3) is fixedly connected with the protective shell (1), the first telescopic outer cylinder (3) is an internally threaded sleeve structure, the first movable rod (4) is a screw rod structure, one end of the first movable rod (4) is movably inserted into the first telescopic outer cylinder (3) and is threadedly connected with the first telescopic outer cylinder (3), and the other end of the first movable rod (4) is fixedly connected with the roller (6); The second connecting rod comprises a second telescopic outer cylinder (7) and a second movable rod (8), one end of the second telescopic outer cylinder (7) is fixedly connected with the sleeve ring (2), the second telescopic outer cylinder (7) is an internally threaded sleeve structure, the second movable rod (8) is a screw rod structure, one end of the second movable rod (8) is movably inserted into the second telescopic outer cylinder (7) and is threadedly connected with the second telescopic outer cylinder (7), and the other end of the second movable rod (8) is fixedly connected with the brush.

5. A long distance full diameter in-line pipe coating apparatus as claimed in claim 4, characterised in that: A first anti-skid sleeve (5) is fixedly sleeved at the end of the first movable rod (4) close to the roller (6), and a second anti-skid sleeve (9) is fixedly sleeved at the end of the second movable rod (8) close to the brush.

6. A coating apparatus for long distance full diameter internal pipeline corrosion protection as claimed in any one of claims 1 to 5 wherein: The sleeve ring (2) is fixedly provided with a plurality of second connecting rods equidistantly arranged around the output shaft of the motor.

7. A long distance full diameter in-line pipe coating apparatus as claimed in claim 1, wherein: The paint spraying device comprises an electric control box (15) and a paint tank (16), the electric control box (15) is fixedly arranged at the bottom of the protective shell (1), and a mobile power supply and a controller are arranged in the electric control box (15); The paint tank (16) is fixedly arranged at the bottom of the electric control box (15), an injection pipe (17) in communication with the inside of the paint tank (16) is arranged on the paint tank (16), a detachable plug (18) is arranged at the port of the injection pipe (17), a paint outlet is arranged at the bottom of the paint tank (16), and an electromagnetic valve (19) is arranged at the paint outlet; The mobile power supply is connected with the motor, the controller and the electromagnetic valve (19), and the controller is in control connection with the motor and the electromagnetic valve (19).

8. A long distance full diameter in-line pipe coating apparatus as claimed in claim 7, characterised in that: A wireless signal receiver is arranged in the electric control box (15), the wireless signal receiver is connected with the controller, and the wireless signal receiver is in wireless signal connection with a remote controller.

9. A coating apparatus for long distance full diameter internal pipeline corrosion protection as claimed in claim 7 or 8 wherein: A liquid level sensor is arranged in the inside of the paint tank (16), and the liquid level sensor is connected with the controller.

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