Pipeline anti-corrosion layer removing device

Abstract

The utility model provides a pipeline anticorrosive coating removing device which comprises a light connecting block and a rotating batten, three electric hydraulic rods are installed on the annular side face of the light connecting block at equal angles, the light connecting block is located in the middle of the upper end of the interior of a steel pipeline, a servo motor is arranged at the upper end of the light connecting block, and a motor shaft is arranged at the upper end of the servo motor. The rotating batten is horizontally fixed to the upper end of a motor shaft, the first hollow plate and the second hollow plate are longitudinally fixed to the left side and the right side of the lower end of the rotating batten correspondingly, and the first inserting plate is inserted into the lower end of the interior of the first hollow plate through a plurality of first hand-turning screws, so that the problems that an original device adopts manual stripping, the effect is poor and the efficiency is low are solved; the steel pipeline anti-corrosion insulating layer stripping device is reasonable in structure, good in practicability, free of manual stripping, high in stripping efficiency, good in stripping effect, capable of conveniently stripping anti-corrosion insulating layers of steel pipelines of different sizes and beneficial to application and popularization.

Description

Technical Field

[0001] The utility model relates to a pipeline anti-corrosion layer removing device, belonging to the technical field of pipelines. Background Art

[0002] To prevent corrosion of the outer wall of steel pipelines in the fields of oil and gas gathering and long-distance transportation, urban gas, water supply and drainage, etc., the outer wall of the pipeline is coated with anti-corrosion insulation layers of different types and thicknesses. During pipeline construction and emergency repair work, the outer anti-corrosion insulation layer covering the welded joints needs to be peeled off to expose the pipe body, making preliminary preparations for subsequent welding or repair work.

[0003] However, during the current on-site construction process, fire baking is usually used while manual stripping is carried out with tools such as knives and shovels. This stripping method is inefficient, labor-intensive and has poor stripping effects. Now, a pipeline anti-corrosion layer removal device is urgently needed to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a pipeline anti-corrosion layer removal device to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable structure and good practicality. It does not require manual stripping, has high stripping efficiency and good effect, and is convenient for stripping the anti-corrosion insulation layer of steel pipelines of different sizes, which is conducive to promotion and use.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a pipeline anti-corrosion layer removal device, comprising a lightweight connecting block and a rotating strip plate, three electric hydraulic rods are installed at equal angles on the annular side of the lightweight connecting block, the lightweight connecting block is located in the middle of the upper end inside the steel pipeline, a servo motor is arranged at the upper end of the lightweight connecting block, a motor shaft is arranged at the upper end of the servo motor, the rotating strip plate is horizontally fixed to the upper end of the motor shaft, and a first hollow plate and a second hollow plate are longitudinally fixed on the left and right sides of the lower end of the rotating strip plate, a first plug-in plate is inserted into the lower end of the first hollow plate through a plurality of first hand-screws, a first screw is penetrated through the right end of the first plug-in plate, the right end of the first screw is connected to the heat insulation plate through a first bearing, and a heating plate is arranged at the right end of the heat insulation plate, a second plug-in plate is inserted into the lower end of the second hollow plate through a plurality of second hand-screws, a second screw is penetrated through the lower side of the left end of the second plug-in plate, and the left end of the second screw is connected to the removal tool through a second bearing.

[0006] Furthermore, the other ends of the three electric hydraulic rods are all installed with arc-shaped top plates, the other ends of the three arc-shaped top plates are all against the inner side of the steel pipe, and the annular side surfaces of the three arc-shaped top plates are all provided with anti-slip grooves.

[0007] Furthermore, a battery is fixed at the front end of the first hollow plate, and the battery is connected to the heating plate through a wire and a switch.

[0008] Furthermore, a first guide rod is provided at the lower side of the left end of the heat insulation board, and the left end of the first guide rod is movably inserted at the lower end of the side surface of the first plug-in board, and the heating plate is located at the upper side of the left end of the steel pipe.

[0009] Furthermore, a second guide rod is fixed to the lower side of the right end of the cleaning tool, and the right end of the second guide rod is movably inserted into the lower end of the side surface of the second plug-in board, and the cleaning tool is located on the upper side of the right end of the steel pipe.

[0010] The beneficial effects of the utility model: the utility model is a pipeline anti-corrosion layer removal device. Because the utility model adds an electric hydraulic rod, an arc-shaped top plate, a servo motor, a rotating strip plate, a first hollow plate, a first plug-in plate, a heating plate, an insulation plate, a first screw, a second hollow plate, a second plug-in plate, a removal tool and a second screw, our design improvements and actual use have shown that the device has good practicality, does not require manual stripping, has high stripping efficiency and good effect, is convenient for stripping the anti-corrosion insulation layer of steel pipelines of different sizes, and is conducive to popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0012] Figure 1 It is a three-dimensional schematic diagram of the overall structure of a pipeline anti-corrosion layer removal device of the utility model;

[0013] Figure 2 It is a three-dimensional schematic diagram of an arc-shaped top plate of a pipeline anti-corrosion layer removal device of the utility model;

[0014] Figure 3 This is a three-dimensional connection diagram of a heating plate of a pipeline anti-corrosion layer removal device of the utility model;

[0015] Figure 4 It is a three-dimensional connection schematic diagram of a cleaning tool of a pipeline anti-corrosion layer cleaning device of the utility model;

[0016] In the figure: 1-steel pipe, 2-lightweight connecting block, 3-electric hydraulic rod, 4-arc top plate, 5-anti-slip pattern, 6-servo motor, 7-motor shaft, 8-rotating strip, 9-first hollow plate, 10-first plug-in board, 11-first hand screw, 12-battery, 13-heating plate, 14-insulation board, 15-first bearing, 16-first screw, 17-first guide rod, 18-second hollow plate, 19-second plug-in board, 20-second hand screw, 21-clearing tool, 22-second bearing, 23-second screw, 24-second guide rod. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0018] See also Figure 1-Figure 4 The utility model provides a technical solution: a pipeline anti-corrosion layer removal device, including a lightweight connection block 2 and a rotating strip plate 8, three electric hydraulic rods 3 are installed at equal angles on the annular side of the lightweight connection block 2, the lightweight connection block 2 is located in the middle of the upper end of the steel pipeline 1, a servo motor 6 is arranged on the upper end of the lightweight connection block 2, a motor shaft 7 is arranged on the upper end of the servo motor 6, the rotating strip plate 8 is horizontally fixed to the upper end of the motor shaft 7, and the left and right sides of the lower end of the rotating strip plate 8 are respectively longitudinally fixed with a first hollow plate 9 and a second hollow plate 18, and the lower end of the first hollow plate 9 is connected by a plurality of first hand-tightened screws 11 is provided with a first plug-in board 10, a first screw 16 is penetrated at the right end of the first plug-in board 10, the right end of the first screw 16 is connected to the heat insulation board 14 through a first bearing 15, and a heating plate 13 is provided at the right end of the heat insulation board 14, a second plug-in board 19 is inserted at the lower end of the second hollow plate 18 through a plurality of second hand screws 20, a second screw 23 is penetrated at the lower side of the left end of the second plug-in board 19, and the left end of the second screw 23 is connected to the cleaning tool 21 through a second bearing 22. This design solves the problem that the original device adopts manual stripping, which has poor effect and low efficiency.

[0019] As the first embodiment of the utility model: the other ends of the three electric hydraulic rods 3 are all installed with arc-shaped top sheets 4, the other ends of the three arc-shaped top sheets 4 are all against the inner side of the steel pipe 1, and the annular side surfaces of the three arc-shaped top sheets 4 are all provided with anti-slip grooves 5. By adding three electric hydraulic rods 3, the three arc-shaped top sheets 4 can be driven to press tightly against the upper end of the inner part of the steel pipe 1, thereby facilitating the operation of the remaining components of the device.

[0020] A battery 12 is fixed to the front end of the first hollow plate 9, and the battery 12 is connected to the heating plate 13 through a wire and a switch. The anti-corrosion insulation layer of the steel pipeline can be heated by the added battery 12 and the heating plate 13, so as to facilitate the subsequent cleaning operation of the cleaning tool 21. A first guide rod 17 is arranged at the lower side of the left end of the heat insulation plate 14. The left end of the first guide rod 17 is movably inserted at the lower end of the side surface of the first plug-in board 10. The heating plate 13 is located on the upper side of the left end of the steel pipeline 1. The first guide rod 17 is added to enable the first screw 16 to drive the first shaft When the inner ring of the bearing 15 rotates and moves, the outer ring of the first bearing 15, the insulation board 14 and the heating plate 13 can be stably driven to move in the left and right directions. A second guide rod 24 is fixed to the lower side of the right end of the cleaning tool 21, and the right end of the second guide rod 24 is movably inserted at the lower end of the side surface of the second plug-in board 19. The cleaning tool 21 is located on the upper side of the right end of the steel pipe 1. By adding the second guide rod 24, when the second screw 23 drives the inner ring of the second bearing 22 to rotate and move, the outer ring of the second bearing 22 and the cleaning tool 21 can be stably driven to move in the left and right directions.

[0021] As a second embodiment of the utility model: when it is necessary to remove the anti-corrosion insulation layer at the welded joint of the steel pipeline 1, first place it in the middle of the upper end of the light connection block 2, and then start the three electric hydraulic rods 3 at the same time, the three electric hydraulic rods 3 can drive the three arc-shaped top sheets 4 to move toward the inner wall of the steel pipeline 1 until the three arc-shaped top sheets 4 are tightly pressed against the inner wall of the steel pipeline 1 to complete the preliminary installation of the device (refer to Figure 1), then loosen the multiple first hand screws 11 and the multiple second hand screws 20, adjust the depth of the first plug-in board 10 and the second plug-in board 19 in the first hollow plate 9 and the second hollow plate 18 respectively, so that the heating plate 13 and the cleaning tool 21 are respectively aligned with the left and right ends of the welding joint of the steel pipe 1, and then tighten the multiple first hand screws 11 and the multiple second hand screws 20 again, and then screw the first hand screw 11, so that when the first screw rod 16 drives the inner ring of the first bearing 15 to rotate and move, the outer ring of the first bearing 15, the insulation board 14 and the heating plate 13 can be stably driven to move to the right, until the heating plate 13 is close to the left side of the welding joint of the steel pipe 1 and is not attached (in this process, the first guide rod 17 is driven to move to the right), start the heating plate 13 and the servo motor 6, and the servo motor 6 can be The rotating strip 8 and the components at both ends of the steel pipe are driven to rotate by the motor shaft 7, and the heated heating plate 13 can rotate on the upper side of the annular side of the steel pipe 1 and heat the anti-corrosion insulation layer of the steel pipe. Then, the servo motor 6 is stopped to screw the second screw 23, so that the second screw 23 drives the inner ring of the second bearing 22 to rotate and move, and the outer ring of the second bearing 22 and the cleaning tool 21 can be stably driven to move to the left (in this process, the second guide rod 24 is driven to move to the left), until the cleaning tool 21 contacts the right side of the welding joint of the steel pipe 1 and inserts into the anti-corrosion insulation layer of the steel pipe, and then the servo motor 6 is started again. The servo motor 6 can drive the rotating strip 8 and the components at both ends of the steel pipe to rotate through the motor shaft 7, and the cleaning tool 21 can rotate and remove the heated anti-corrosion insulation layer of the steel pipe.

[0022] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0023] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A pipeline anti-corrosion layer removal device, comprising a lightweight connecting block (2) and a rotating strip plate (8), characterized in that: Three electric hydraulic rods (3) are installed at equal angles on the annular side surface of the lightweight connecting block (2); The light connection block (2) is located in the middle of the upper end of the steel pipe (1); a servo motor (6) is arranged at the upper end of the light connection block (2); a motor shaft (7) is arranged at the upper end of the servo motor (6); the rotating strip plate (8) is horizontally fixed to the upper end of the motor shaft (7); and a first hollow plate (9) and a second hollow plate (18) are longitudinally fixed on the left and right sides of the lower end of the rotating strip plate (8); A first plug-in board (10) is inserted into the lower end of the first hollow plate (9) via a plurality of first hand-tightened screws (11); a first screw rod (16) is passed through the right end of the first plug-in board (10); the right end of the first screw rod (16) is connected to the heat insulation board (14) via a first bearing (15); and a heating plate (13) is provided at the right end of the heat insulation board (14); a second plug-in board (19) is inserted into the lower end of the second hollow plate (18) via a plurality of second hand-tightened screws (20); a second screw rod (23) is passed through the lower side of the left end of the second plug-in board (19); and the left end of the second screw rod (23) is connected to the cleaning tool (21) via a second bearing (22).

2. A pipeline anti-corrosion layer removal device according to claim 1, characterized in that: The other ends of the three electric hydraulic rods (3) are all installed with arc-shaped top plates (4), the other ends of the three arc-shaped top plates (4) are all against the inner side of the steel pipe (1), and the annular side surfaces of the three arc-shaped top plates (4) are all provided with anti-slip grooves (5).

3. The pipeline anti-corrosion layer removal device according to claim 1 is characterized in that: A storage battery (12) is fixed to the front end of the first hollow plate (9), and the storage battery (12) is connected to the heating plate (13) via a wire and a switch.

4. The pipeline anti-corrosion layer removal device according to claim 1 is characterized in that: A first guide rod (17) is provided at the lower left end of the heat insulation board (14), and the left end of the first guide rod (17) is movably inserted at the lower end of the side surface of the first plug-in board (10), and the heating plate (13) is located at the upper left end of the steel pipe (1).

5. The pipeline anti-corrosion layer removal device according to claim 1 is characterized in that: A second guide rod (24) is fixed to the lower side of the right end of the cleaning tool (21), and the right end of the second guide rod (24) is movably inserted into the lower end of the side surface of the second plug-in board (19).

6. The pipeline anti-corrosion layer removal device according to claim 1 is characterized by: The cleaning tool (21) is located on the upper right side of the steel pipe (1).

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